76results about How to "Sustainable operation" patented technology

The invention discloses an online monitoring system for infrared thermal imaging of a converting station. The system comprises an online infrared thermal imaging instrument, a view screen monitoring and processing module, an infrared image information processing module and a system management and maintenance module, wherein the view screen monitoring and processing module comprises a communication and control subsystem and an infrared imaging and temperature measuring subsystem; the communication and control subsystem is used for controlling a field online infrared thermal imaging instrument, a visible light CCD (Charge Coupled Device) and a tripod head servo and setting and controlling a data link; the infrared imaging and temperature measuring subsystem comprises a temperature measuring, recording, alarming and short message platform system for realizing temperature measurement, alarming and transmission of alarm information through a short message platform; the infrared image information processing module comprises an infrared image analysis system, a failure auxiliary diagnosis system and an infrared and visible light video processing system; and the system management and maintenance module comprises an equipment thermal failure typical infrared image library management system, a management inquiry, statistic and report system and an interface system for an extant service system. By means of the online monitoring system in the invention, the defects of portable infrared imaging are overcome, artificial detection is combined with system detection, real-time monitoring of electric equipment is realized, and infrared thermal image monitoring of a monitored range or specified target equipment as well as data acquisition and recording, storage and analysis of a temperature field are ensured. The system has the characteristics of automatic routing inspection, automatic pre-warning, accuracy, high speed and remote monitoring.

The invention relates to a method for cultivating polygonatum cyrtonema under a phyllostachys edulis forest. The method comprises the following steps that 1) the phyllostachys edulis forest which is loose and fertile in soil and few in miscellaneous shrubs, is close to a water resource and is managed as a material forest is selected; the phyllostachys edulis forest downhill is selected; 2) when the polygonatum cyrtonema is cultivated in the phyllostachys edulis forest for the first time, the first cultivation density is 24000-36000 plants / hm<2>; appropriate after-cultivation is conducted on sparse parts by combining underground tubers in a digging process or seedlings; and 3) a sprout and leaf growth fertilizer of phyllostachys edulis is broadcast; an annual one-time fertilization measure taken in management of the phyllostachys edulis forest is combined; a compound fertilizer or an amino acid fertilizer is broadcast in after-rain forest land in a sprout and leaf growth period of the new phyllostachys edulis from April to May; the annual fertilization amount is 300-450kg / hm<2>; a harvest time fertilizer of the polygonatum cyrtonema is broadcast; in a digging process of underground tubers of the polygonatum cyrtonema, the compound fertilizer or the amino acid fertilizer is broadcast in hole digging parts; soil is covered and compacted after the fertilizer is broadcast; and the annual fertilization amount is 900-1200 kg / hm<2> for the compound fertilizer or 1800-2700kg / hm<2> for the amino acid fertilizer. An output value of the tubers can be great; after the fertilizer cost, the labor cost and the like which are increased in the compound management are deducted, a profit increased annually is great; and economic benefits are very remarkable.

The invention discloses a waste heat recovery heat pump technology-based energy-efficient spray drying device including a degassing tank, a filter, a spray drying tower, a cyclone separator and a material receiving little splitter; pulp enters through the vacuum pump function into the degassing tank, and then enters into the filter for filtration, the filtered pulp enters through the vacuum pump function into the spray drying tower, electric heated hot air is introduced into the spray drying tower, dried particles and the hot air enter into the cyclone separator, under the effect of an air supply fan, the separated particles enter into the material receiving little splitter, finally product is collected from the material receiving little splitter; the device also includes a heat source supply cycle, a refrigeration loop cycle and an air and pulp preheating cycle. The energy consumption can be effectively reduced by the efficient use of the heat source cycle, production cost is reduced, and the environment is protected.

The invention discloses a scalable bio-floating gate, belonging to the technical field of sewage treatment equipment. The scalable bio-floating gate comprises two pontoons between which a scalable movable support is connected; an elbow nail is fixed at the lower side of the scalable movable support; a reticular filling bag is hung on the elbow nail; the scalable bio-floating gate has scalability,is regulated conveniently according to the river discharge and is beneficial for flood season flood discharge. The scalable bio-floating gate takes vermiculite or light ceramsite as filler and solvesthe shortcomings that the traditional filling is easy to be scabby and knotted as well as unstable. The contact area with the river water is increased by using the hollow double layer filling bag; thefilling can be effectively used and the treatment effect can be enhanced. The scalable bio-floating gate can be treated in site, reduces contaminant transportation, and saves material resources and financial resources. The scalable bio-floating gate has simple manufacture, convenient use and continuous operation, and is convenient for large-scale application.

The invention belongs to the technical field of sorting devices for industrial production, and particularly relates to an automatic sorting device based on image recognition. The automatic sorting device based on image recognition comprises a conveying line, image recognizing units successively arranged on the conveying line, and a sorting unit. Each image recognition unit includes an image acquisition module for data collection of articles on the conveying line and an analysis module for data collection of articles sorting based on the data collected by the image acquisition module. The sorting unit comprises a plurality of sorting mechanisms arranged along the conveying line, and a verification mechanism for verifying the items arriving at the sorting mechanism, the verification mechanism comprises a verification image acquisition module and a comparison module which compares the verification information of the verification image acquisition module with the sorting data generated bythe sorting module. After the verification information is compared with the sorting data and the verification information and the sorting data are consistent, the comparison module controls the sorting mechanism to carry out sorting operation, and then verifies the goods after identification. The corresponding sorting operation is carried out after identification information, sorting information and the verification information are consistent, and the sorting accuracy is high.

The invention discloses a three-direction transfer mechanical clamp of a water heater package clamping transfer machine. Two equal-height filler strips parallel to each other are arranged on a welded type frame; a sliding rail is arranged on each equal-height filler strip; two slidable sliding blocks are arranged on each sliding rail; the sliding blocks are fixed on the lower plane of a moving base plate; a rack parallel to the sliding rails is arranged on one equal-height filler strip; a reducer mounting plate is arranged on one side of the upper plane of the moving base plate; a speed reducer is arranged on the speed reducer mounting plate; the output shaft of the speed reducer penetrates through the shift base plate; a gear is arranged on the output shaft of the speed reducer; the gear and the rack are engaged; the welded type frame at two ends of the rack is respectively provided with a mechanical limiter; a servo motor is arranged on the input end of the speed reducer; a lifting transverse-shift clamp is arranged on the other side of the upper plane of the moving base plate. By the manner, the water heater package clamping transfer machine can replace workers to finish the transfer work, the transfer machine can run continuously, the efficiency is high, the design structure is simple and practical, and the maintaining and repairing are convenient.

The invention discloses a humidifying and condensation type sea water desalinating device, and the sea water desalinating device comprises a heat radiating chamber, a condensing chamber, an evaporating chamber and a seawater desalinating tank body sequentially arranged from top to bottom, wherein the condensing chamber is communicated with the evaporating chamber, a semiconductor refrigerating mechanism is arranged in the division position between the heat radiating chamber and the condensing chamber, a hot end of the semiconductor refrigerating mechanism is positioned in the heat radiating chamber, and a cold end of the semiconductor refrigerating mechanism is positioned in the condensing chamber; the hot end is connected with a semiconductor heating module through a heat radiating bottom plate; the cold end is connected with a semiconductor refrigerating module through a cold conducting bottom plate; a fresh water collecting device is arranged, below the semiconductor refrigerating module, in the condensing chamber; the fresh water collecting device is communicated with a fresh water tank; an air inlet and an air outlet communicated with the air inlet are formed, in the position of the semiconductor heating module, in the heat radiating chamber; an air duct communicated with the air outlet is arranged in the evaporating chamber; and a hot sea water inlet and a strong brine discharge hole are formed in the evaporating chamber. The humidifying and condensation type sea water desalinating device is compact in structure and convenient for home application.

The invention discloses an online detachable large-flow filter, belonging to the field of water treatment. The online detachable large-flow filter is formed by a plurality of single filter pipes whichare connected in parallel, and the two ends of each filter pipe are connected between a water inlet pipeline and a water outlet pipeline by means of water diversion pipelines; the connecting parts ofthe two ends of each filter pipe and the water diversion pipelines are separately provided with a filter element disassembly rotary knob; the connecting part between each water diversion pipeline andthe water inlet pipeline is provided with a water inlet valve, and the connecting part between each water diversion pipeline and the water outlet pipeline is provided with a water outlet valve. According to the online detachable large-flow filter, the investment cost and the replacement cost are reduced, the filter area is enlarged, the pollutant-holding capacity is enhanced, the service life isprolonged and the maintenance cost is lowered; equipment can be operated continuously, and the use of other filter elements is not affected when one filter element is replaced; the online detachable large-flow filter is convenient to replace, and does not need very professional knowledge and special disassembly tools; the online detachable large-flow filter is high in degree of automation, simpleto manage and labor-saving.

The invention relates to a dynamically configurable RFID real-time monitoring system, comprising a middleware server, clients and reader-writers. The system adopts a client / server mode. The middleware server is realized based on the open services gateway initiative, adopts the modular binding design, uses the microkernel model and comprises a microkernel and a plurality of sub-modules. The sub-modules comprise an information service module, a log record module, a reader-writer information service module, an object information service module, a client service module, an application level event service module and an information service module. Except the microkernel, the rest sub-modules can be dynamically unloaded and changed. Unloading one or more sub-modules can interrupt one or more dependency links in the system but does not damage all the functions of the system. The invention provides dynamically configurable RFID real-time monitoring functions, thus solving the problems such as dynamic configuration and status change of the server, real-time monitoring of RFID application scenarios, high quality user experience and the like.

The invention discloses a fuel cell and supercapacitor hybrid propulsion system for a shield electric locomotive. The fuel cell and supercapacitor hybrid propulsion system comprises a fuel cell module, a BOOST converter, a supercapacitor module, a bidirectional DC / DC converter, a DC / AC inverter and a PWM drive isolation circuit, a power supply circuit, an electric locomotive operation controller,a signal conditioning circuit, a ring temperature sensor, a GPS module, a three-axis acceleration sensor, a touch display, a clock and reset circuit and a CAN interface, wherein the signal conditioning circuit, the ring temperature sensor, the GPS module, the three-axis acceleration sensor, the touch display, the clock and reset circuit and the CAN interface are connected with the electric locomotive operation controller. The fuel cell and supercapacitor hybrid propulsion system has the beneficial effects that the fuel cell and the supercapacitor hybrid propulsion system can quickly provide high-power currents when the shield electric locomotive starts, accelerates, climbs and encounters large running resistance, and the power performance and economy of the shield electric locomotive are improved; the instantaneous large current generated by a traction motor can be quickly recovered during braking to realize the absorption of regenerative braking energy, and the electric locomotive cancontinue to operate when working media of a fuel cell are sufficient.

The invention discloses an ecological net cage-based water purification method; a double-layer net cage is used as a carrier; filter-feeder fish is fed in the upper-layer cage; submerged plants are fixed in the lower-layer cage; the net cage is put into a water area for water purification. The method of the invention is based on the net cage and the comprehensive utilization of water environment ecological systems; no additional energy is necessary; only solar energy and biological energy in the water environment are used to maintain the operation of the net cage module; and no secondary pollution problem is generated. The method can relieve the water bloom problem caused by water eutrophication, can effectively decrease nitrogen and phosphorus concentrations of water body, needs little manual intervention, has the advantages of simple operation and low cost, and is suitable for ecological management and improvement of water of lakes, rivers, reservoirs.

The invention provides a mixed type foundry waste sand wet reclamation wastewater processing method. Firstly, wastewater is demulsified, and large suspended matters in the wastewater are flocculated in a spiral flocculating tank by virtue of an inorganic flocculating agent; then small suspended matters are flocculated by virtue of an organic flocculating agent; through standing sedimentation in an inclined tube sedimentation tank, a flocculation layer forming at the bottom in a condensed manner is extracted through a sludge pump at the bottom of the sedimentation tank; the organic flocculating agent is secondarily used, and finally, a band type concentration-vacuum-filter pressing all-in-one machine is used for treatment, so that the water content of sludge discharged at an outlet of a filter cake of the band type concentration-vacuum-filter pressing all-in-one machine is less than 40%; therefore, supernate overflowing from the inclined tube sedimentation tank and clear water from a clear water outlet of the band type concentration-vacuum-filter pressing all-in-one machine can achieve the requirement for production cycle water and the standard for direct discharge.

The invention relates to a fixed water quality automatic monitoring system with continuous work capacity. The system comprises a sampling device, a first logic channel, a second logic channel, a first detecting mechanism, a second detecting mechanism, a central processing unit, a water draining pipe and a display mechanism. When the fixed water quality automatic monitoring system with the continuous work capacity works, enough water resources are collected through a sampling pump, one of two detecting mechanisms performs water quality detection, the other one performs cleaning and reagent compensation for standby application, after the system runs for a period of time, the first logic channel and the second logic channel are controlled by the central processing unit to perform switching of the two paths of detecting mechanisms, and it is guaranteed that the system can continuously run in this way; besides, a multi-parameter water quality detector is used for detecting various parameters of water quality, water quality indexes are displayed and set through a local communication terminal, an intelligent mobile phone can be used for remote operation, an alarming signal is given through a buzzer when the water quality indexes exceed the standard to prompt a user, and flexibility of automatic monitoring of the system is guaranteed.

The invention belongs to the technical field of agriculture, particularly relates to a sunflower seed threshing device. The sunflower seed threshing device comprises a device body, wherein a through groove with communicating left and right sides is formed in the upper end of the device body, a first conveyor belt is arranged in the through groove, and the front end and rear end of the first conveyor belt are connected to inner walls of the front end and rear end of the through groove separately and fixedly; a plurality of clamping members are fixedly connected with the first conveyor belt, a plurality of electric heating plates are fixedly connected with the inner walls of the front end and rear end of the through groove, and a seed threshing mechanism is arranged between a separating mechanism and the electric heating plates; and a collecting mechanism which is arranged in the device body is located directly below the seed threshing mechanism, and a crushing mechanism which is arranged in the device body is located directly below the separating mechanism. The sunflower seed threshing device has the advantages that clean and rapid peeling of sunflower seeds on sunflower disks can be facilitated, so that insufficient peeling caused by difficult separation of the sunflower seeds from the sunflower disks which are just picked does not occur easily, and meanwhile singular recoveryof the sunflower seeds and pulverization of the sunflower disks for other uses or burying treatment are achieved.

The invention discloses a furnace discharging system for calcium carbide sensible heat power generation. The furnace discharging system comprises a conveying track, a furnace discharging trolley set,a moving platform, a mechanical arm, a traction track, traction trolleys, winches and a tunnel kiln. The moving platform is connected with the conveying track and the traction track. The front end andthe rear end of the furnace discharging trolley set are connected with one ends of two steel wire ropes correspondingly. The other ends of the two steel wire ropes are connected with the winches correspondingly. Under driving of the winches, the furnace discharging trolley set reciprocates on the conveying track. The mechanical arm is located on the outer side of the moving platform so that the front end or the rear end of the furnace discharging trolley set can be disconnected from and connected with the steel wire ropes. The traction trolleys are located on a traction trolley track on the outer side of the traction track. The tunnel kiln is internally provided with a track corresponding to the moving platform. The winches are located on the two sides of the tunnel kiln. The furnace discharging system has the beneficial effects that continuous conveying and unloading can be achieved, efficiency is high, running is automatic, operation is simple, the running cost is low, and running is stable.

The invention discloses an anti-vibration type air cooled heat pump flooded water chilling unit and a control method thereof. The anti-vibration type air cooled heat pump flooded water chilling unit comprises an electric case, a condenser, a compressor, a secondary oil separator, a four-way reversing valve, a finned heat exchanger, a liquid separator, expending valves, a one-way valve, a liquid reservoir, a drying and filtering device, electromagnetic valves, a flooded evaporator, a gas-liquid separator and a jet pump. According to the anti-vibration type air cooled heat pump flooded water chilling unit, return oil of one way of the secondary oil separator and return oil of the flooded evaporator are subjected to intelligent control, and meanwhile unit axial flow fans are subjected to hierarchical control, so that the problems that oil throwing occurs in the process of starting the compressor, the return oil is not stable in the operational process and a low-temperature refrigeration operational system is not stable are avoided. Thus the unit can continuously run under the whole year environment, provide sufficient circulating cooling water for a device and ensure that the device can run normally and safely.

The invention discloses a low power consumption display node based on a wireless identification sensing platform WISP. The low power consumption display node disclosed by the invention comprises an antenna, an impedance matching circuit, an energy collection circuit, a voltage regulator, a modulation module, a demodulation module, a microcontroller, a sensor, and an ink screen circuit in a peripheral. The functions of the energy collection circuit and the voltage regulator are implemented by an energy collection chip BQ25570, and the chip captures radio frequency energy and is also used for generating a working power supply of the microcontroller; and the ink screen circuit adopts a chip SI1016X, and the SI1016X is controlled by the microcontroller to control the power on and power off ofthe ink screen. The energy capture technology used in the low power consumption display node disclosed by the invention captures the radio frequency energy in the environment to supply power to a nodewithout using a battery or a power supply facility, thereby being green and environmentally friendly, reducing the cost, and prolonging the working time of the node.

The invention discloses a furnace discharging system for calcium carbide sensible heat power generation. The furnace discharging system comprises a conveying track, a furnace discharging trolley set,a moving platform, a mechanical arm, a traction track, traction trolleys, winches and a tunnel kiln. The moving platform is connected with the conveying track and the traction track. The front end andthe rear end of the furnace discharging trolley set are connected with one ends of two steel wire ropes correspondingly. The other ends of the two steel wire ropes are connected with the winches correspondingly. Under driving of the winches, the furnace discharging trolley set reciprocates on the conveying track. The mechanical arm is located on the outer side of the moving platform so that the front end or the rear end of the furnace discharging trolley set can be disconnected from and connected with the steel wire ropes. The traction trolleys are located on a traction trolley track on the outer side of the traction track. The tunnel kiln is internally provided with a track corresponding to the moving platform. The winches are located on the two sides of the tunnel kiln. The furnace discharging system has the beneficial effects that continuous conveying and unloading can be achieved, efficiency is high, running is automatic, operation is simple, the running cost is low, and running is stable.

The invention discloses an excrement collection device which includes a casing having a bottom wall, two opposing first outer sidewalls, and a second outer sidewall connecting the first outer sidewalls; a receiving space defined by the bottom wall, the first outer sidewalls, and the second outer sidewall and divided into a temporary storage region and a collection region, with the temporary storage region disposed between the second outer sidewall and the collection region; a cleansing component disposed in the temporary storage region; and a support component disposed at the top of the temporary storage region and having rotatable support boards. Excrement left behind at home by pets because of defecation and urination is gathered in the collection region to thereby spare pet keepers thehassles of frequent cleansing, prevent exposure of the excrement to air for a long period of time, and preclude a foul-smelling odor otherwise lingering at home.

The invention discloses a lifting and transverse moving clamp of a water heater clamp transfer machine. A lifting cylinder is arranged on a transverse moving bottom plate; a piston rod of the lifting cylinder penetrates through the transverse moving bottom plate and is provided with a floating connector; the floating connector is connected with a flange connector; the flange connector is fixedly arranged on the upper plane of a lifting flat plate; the lifting flat plate is provided with two lifting guide columns which are vertically arranged; the lifting guide columns are provided with lifting guide sleeves which can move up and down; the lifting guide sleeves are fixedly arranged on the transverse moving bottom plate; the upper plane of the transverse moving bottom plate is provided with a pneumatic slow descending device; a speed reducing plate of the pneumatic slow descending device is clamped on the lifting guide columns; a dual piston rod clamping cylinder is arranged on the two sides of the lower plane of the lifting flat plate respectively; piston rods of the dual piston rod clamping cylinders are connected with anti-skid clamping flat plates. Through the mode, transfer work can be finished in place of a worker; the clamp can operate continuously, has high efficiency, and is simple and practical in design structure and convenient to maintain and repair.

An oil and gas pipeline water area pipe-jacking tunnel crossing engineering design method based on water filling operation comprises the following steps that (a) classifying operation methods after pipeline installation according to the complexity of water area pipe-jacking tunnel pipeline installation, and a filling method conforming to the reality is provided according to the classification situation; (b) fully considering the influence of water filling operation on pipeline operation, and providing a pipeline installation method and a support hanger design scheme suitable for the water filling operation working condition according to the influence; (c) proposing a corresponding design calculation method for pipeline installation and corrosion prevention according to the requirements ofunderwater safe operation of the pipeline; and (d) proposing a pipeline overhaul and maintenance method according to the requirements of long-term overhaul and maintenance; according to the characteristics of a water area pipe-jacking tunnel crossing project, a design method of water-filling operation in a tunnel is described in detail, an excellent plugging method is provided for the oil and gaspipeline water area pipe-jacking tunnel crossing project, and an effective means is provided for operation and protection of the oil and gas pipeline water area pipe-jacking tunnel crossing project.

The invention discloses a sustainable artificial ecological floating bed capable of efficiently working in whole day, which comprises two floating plates, wherein aquatic plants are arranged on the floating plates, main reaction tanks are connected below the floating plates, biological fillers and photocatalysts are arranged in the main reaction tanks, and a main pipeline is communicated between the two main reaction tanks; wherein two ends of the main pipeline are respectively provided with a main filter membrane valve, an auxiliary reaction tank is connected below the main reaction tank, a conductive material is arranged in the auxiliary reaction tank, and a main filter membrane valve and an auxiliary filter membrane valve are arranged on a pipeline between the main reaction tank and theauxiliary reaction tank; an auxiliary pipeline is communicated between the two auxiliary reaction tanks, wherein auxiliary filter membrane valves are respectively arranged at two ends of the auxiliary pipeline. According to the sustainable artificial ecological floating bed, the defect that in the prior art, a photocatalyst is only limited to utilization of solar energy under continuous irradiation can be overcome, and stable all-day continuous operation of the photocatalyst is achieved.

The invention belongs to the technical field of wind power generation, and particularly relates to a double-impeller grid-connected wind driven generator which comprises a tower, a power generation box and a speed reduction block. The upper surface of the tower is fixedly connected with the power generation box. Driving columns are rotationally connected to the left and right side faces of the power generation box, and the surfaces of the two driving columns are fixedly connected with fan blades which are uniformly arranged. Transmission columns are fixedly connected to the side faces of the opposite sides of the two driving columns. The transmission columns are connected with a balance rod, and the speed reduction block is hinged with the other end face of the balance rod. According to the double-impeller grid-connected wind driven generator, the motion resistance braking of the wind driven generator is effectively realized; compared with traditional pneumatic braking and mechanical braking, resistance braking has the advantages that the relatively reliable motion resistance is provided, the resistance is generated without depending on friction, and therefore the much friction heat cannot be generated, the working pressure of a cooling system can be reduced, and sustainable operation of the wind driven generator in stormy weather is also achieved.

The invention relates to a stray animal intelligent reception center comprising a base, at least one receiving body and a top. An entrance door is arranged on one side of the receiving body, and an exit door is arranged at a side opposite to the inlet door, and both the entrance door and the exit door are one-way doors. The receiving body is internally provided with a feeding device and is also provided with an electronic scale connected to a control circuit. According to the stray animal intelligent reception center, by weighing the accurate weight of an individual stray animal as an 'identification password', each animal can only be fed once a day to avoid repeated feeding of the animal, therefore, the excessive dependence of the animal on the reception center is avoided, foods are saved, the operation cost is reduced, and the public welfare facility is sustainable.

The present invention relates to a method and a system for providing a medical service, and a non-transitory computer-readable recording medium. One aspect of the present invention provides a method for providing a medical service, the method comprising the steps of: determining a state of a patient within a hospital that the patient visits and a medical service needed for the patient, by making reference to information on the location and a medical appointment or an electronic medical record (EMR) of the patient; and dynamically matching the patient with at least one medical team or assistantmedical team belonging to the hospital, by making reference to information on at least one of the state of the patient within the hospital, the medical service needed for the patient, a state of themedical team or assistant medical team within the hospital, and a medical service which can be provided by the medical team or assistant medical team.

The invention provides a cell culture apparatus. The cell culture apparatus includes at least one storage box body, at least one barrier and a working box body, wherein the at least one storage box body includes a culture rack, a vertical track and a rotary clamp; the working box body has two opposite surfaces, and includes a filling area and an observing area; the filling area comprises a first conveying device, at least one switch device and at least one filling device; and the observing area includes at least one first observing device and a second conveying device. The invention also provides a use method of the cell culture apparatus. The method comprises the following flow: filling, and observing or collecting. The cell culture apparatus can automatically execute various flows in order to realize manpower saving.

The invention relates to a cleaning device for a compression device with a drive element (70) and a fiber processing element (26) which is rotatably mounted about an axis of rotation and has a projection (72). The projection (72) cooperates with the drive element (70) and forms a gear stage (G2). The gear stage (G2) is designed in such a way that the fiber processing element (26) and the drive element (70) rotate at a different rotational speed. According to the invention, the cleaning device comprises a cleaning element (76) which is arranged in the direction of the axis of rotation on an end face (82) of the drive element (70) facing away from the fiber processing element (26) and is non-rotatably connected to the projection (72). Furthermore, the cleaning element 76 has at least one stripping edge 78, which extends in a plane (88) parallel to the end face (82) of the drive element (70) and has an increasing distance from the axis of rotation.

The invention provides a wastewater treatment method for wet regeneration of mixed casting waste sand. First, the wastewater is demulsified, and then the suspended matter with larger particles in the wastewater is flocculated in a spiral flocculation tank with an inorganic flocculant, and then an organic flocculant is used to The flocculant flocculates the suspended solids with small particles, and passes through the inclined tube settling tank for static settlement. The floc layer formed by compression at the bottom is pumped out by the sludge pump at the bottom of the settling tank, flocculated with organic flocculant again, and finally concentrated by belt type vacuum filter Integrated machine treatment, the moisture content of the sludge coming out of the filter cake outlet of the belt-type concentrated vacuum filter press integrated machine is below 40%; while the overflow supernatant of the inclined tube settling tank and the clear water outlet The clean water meets the requirements of production circulation water and the standard of direct discharge.

The invention discloses a reaction device for strengthening Cr (VI) reduction based on a square wave power supply, which comprises a reactor, an insulating layer, porous electrodes and a square wave power supply, both ends of the reactor are provided with ports, the insulating layer divides a reaction chamber into a first reaction chamber and a second reaction chamber, one porous electrode is installed in the first reaction chamber, the other porous electrode is mounted in the second reaction chamber, and the two porous electrodes are both connected with the square wave power supply. The method reduces the passivation reaction of the porous electrodes, improves the mass transfer effect, has the remarkable advantages of sustainable operation and low energy consumption, is suitable for online treatment of large and medium-scale Cr (VI) sewage, and is particularly suitable for Cr (VI) sewage treatment of metallurgical and chemical enterprises.

The invention relates to a stacking mechanical device for disposable infant bibs, and relates to the technical field of mechanical equipment. A stacker body is arranged on a machine frame; a servo motor is arranged on a base; a driving wheel is arranged on the servo motor; the driving wheel, a dual-row transmission chain and a dual-row transmission chain wheel are arranged on the stacker body; the driving wheel is connected with a synchronizing wheel C through a conveyer belt; a synchronizing wheel D is arranged on the synchronizing wheel C, and the synchronizing wheel C and the synchronizing wheel D are arranged on the same axis; the synchronizing wheel D is connected with a transmission chain wheel E and a transmission chain wheel F through the conveyer belt; a stacked piece bearing group is arranged on the dual-row transmitting chain; a dual-row driven chain wheel, a transmission chain wheel E and a transmission chain wheel F are arranged on the stacked piece bearing group. The stacking mechanical device disclosed by the invention is small in size, convenient to operate, good in producing stability, even in product discharging, and good in synchronization performance, subsequent packing is convenient and the operation is continuous, and the purposes of being free from fault, simple in maintenance and low in maintenance cost are realized.