1869results about How to "Play a cooling role" patented technology

The invention discloses a high-pressure water jet full-section rock boring machine cutterhead design method, which belongs to the technical field of full-section rock boring machine excavation, and relates to a high-pressure water jet full-section rock breaking cutterhead design method. In the design method, the overall layout of the cutterhead adopts two cutterheads in the form of synchronously rotating cross-shaped spokes with the same structure. The second cutterhead is installed counterclockwise by 45° relative to the first cutterhead. Each cutterhead is composed of five Component composition. The design method has changed the integral hob structure of the traditional TBM cutter head. Two cross-shaped spoke layouts are adopted. The rock is broken through the impact of water jets on the four spokes and the rotary extrusion of the cutter. It utilizes the high processing efficiency of water jets. , low energy consumption, and easy to implement, using high-pressure water to make rocks crack and expand or even break, which reduces the resistance of the tool to breaking rocks and prolongs the life of the tool.

The invention relates to a simultaneous cooling assisted connection method based on laser additive manufacturing, and aims to solve the problems of an increase in the crystal grain size, a decrease in the connector performance, and the like caused by the fact that heat cannot be effectively dissipated when titanium alloy, carbon stainless steel, martensitic stainless steel and other materials being relatively low in heat conductivity are involved in connection processes based on a laser additive manufacturing method. According to the method, a cooling device is arranged for being combined with a laser welding machine and a welding powder feeder, so as to achieving a cooling process; heat accumulated in the welding process can be effectively dissipated, so as to refine crystal grains; the welding efficiency and the connector performance are improved; in order to solve the problem that an oxidation phenomenon is likely to occur in the welding process, the cooling process is performed according to a cooling method adopting liquid nitrogen, inert gas or the like, so that connector oxidation can be effectively avoided when a cooling effect is exerted.

The invention discloses a multifunctional electric power equipment protection box. The multifunctional electric power equipment protection box comprises a box body, the outer side of the box body is provided with a housing, a cooling water cavity is disposed between the housing and the box body, the upper side of the box body is provided with a rain baffle plate in a tilting manner, the rain baffle plate is uniformly provided with a plurality of drainage grooves, the lower right end of the box body is provided with a water collecting tank, the left end of an opening of the water collecting tank is higher than the right end, and the top end of the internal of the water collecting tank is provided with a filter mesh. The multifunctional electric power equipment protection box is provided with a dustproof mesh at a position of a vent hole, the dustproof mesh can effectively prevent dust, rain can be effectively prevented, rainwater can be collected, the internal of the box body is cooled by utilizing a water circulation system, and the multifunctional electric power equipment protection box has the good cooling effect and high efficiency, normal working of electric power equipment is guaranteed, energy is effectively saved, usage cost is lowered, a position-adjustable illumination lamp provides convenience for workers to maintain the electric power equipment at night, the operation difficulty is reduced, and practicality is high. Furthermore, the multifunctional electric power equipment protection box can freely adjust the height of the box body, and the multifunctional electric power equipment protection box has the advantages of simple operation and convenient adjustments.

Provided are boron-containing weather-proof thin strip steel and a manufacturing method thereof. The manufacturing method comprises performing double roller thin strip continuous casting to produce boron-containing weather-proof steel; after a cast strip is processed through a crystallizing roller, adopting a mode of spraying dry ice to perform uniform strengthened cooling on the cast strip, rapidly cooling the cast strip to below 1,280 DEG C, and enabling the cooling speed to be 200-300 DEG C / s, so that precipitation of thick and large BN in the cooling mode is promoted, emergency of low-melting-point-phase B203 and precipitation of tiny AlN are avoided, and the aims of homogenizing austenite grains and reducing yield ratio are achieved; then performing austenite on-line recrystallization rolling; then performing anti-oxidizing rapid cooling to cool the strip steel undergoing hot rolling, and enabling the cooling temperature to be 80-200 DEG C / s; and enabling coiling temperature to be 500-600 DEG C. Steel with low yield ratio can be obtained through the manufacturing method, and the problems that steel produced by thin strip continuous casting are universally uneven in structure, high in yield ratio and difficult to form and cannot meet the requirements for cold rolling materials are effectively solved.

The invention discloses a supercritical water oxidation reactor by using an auxiliary fuel for supplying heat, the heat required for a reaction can be supplied by using the auxiliary fuel, Material, fuel and an oxidizing agent (air or oxygen) are mixed with a high efficiency through the different directional jets for raising oxidation efficiency. According to the invention, the reactor employs a combination structure of evaporation wall and pot type backflow, the reaction vessel volume is effectively used and the reaction time is increased, the blockage problem generated by salt deposition can be also prevented, the corrosion problem of the reactor is effectively reduced. The temperature of the reactor bottom can be preciously controlled through a cooling water pipeline at the reactor bottom, thereby the safe operation of equipment is guaranteed. The reactor effectively solves the economic problem of a supercritical water reaction system by using the auxiliary fuel for supplying, the invention has the advantage of easy industrial amplification, and is widely applied to organic liquid such as high density and difficult biodegradation organic waste water / garbage leachate and the like for a harmlessness processing.

The invention, which belongs to the technical field of integrated circuit packaging, relates to a three-dimensional active heat-dissipation packaging structure of an embedded micro channel and a manufacturing process thereof. The three-dimensional active heat-dissipation packaging structure comprises a three-dimensional packaging structure. A micro channel chip structure unit is arranged at the top layer of the three-dimensional packaging structure and includes an IC chip having an embedded micro flow structure and a micro channel cover plate. A two-dimensional heterogeneous integrated structural unit is arranged at the bottom layer of the three-dimensional packaging structure and includes a TSV adapter board connected with a bottom filling layer through array salient points and an IC chip; the micro channel chip structure unit and the two-dimensional heterogeneous integrated structural unit are connected with the bottom filling layer through the array salient points; and then packaging with an embedded micro channel substrate and a housing is carried out to form a three-dimensional active heat-dissipation packaging structure. Therefore, the inter-layer thermal resistance of the three-dimensional packaging system is reduced substantially; the heat dissipation capability of the circuit is improved effectively; and the high-density and high-performance three-dimensional system-level packaging is enhanced and the safety and reliability are high.

The invention discloses a disc water-cooling permanent magnet eddy current speed regulation device which comprises conductor rotators and permanent magnet rotors and is characterized by also comprising an air gap adjustment mechanism and a water-cooling mechanism, wherein the permanent magnet rotors are arranged between the conductor rotators, the air gap adjustment mechanism is connected with the conductor rotators, and the water-cooling mechanism is arranged on the conductor rotators. In the invention, change of the included angle between connecting bars and the up and down sliding of connecting bar shaft pins in a sliding rail are utilized to adjust distance so as to ensure that the distances between two pairs of permanent magnet rotors and conductor rotators interacting with each other are changed equally, and the structure of the speed regulation device is simple, thereby being convenient to process and install; water piloting ribs, the negative pressure principle and the centrifugal force effect are utilized, water can be piloted by a flume to evenly flow past the back iron surfaces of conductors and then thrown away along with the rotation of the conductor rotators from theoutboards of the conductor rotators, and heat quantity is brought away, thus cooling effect can be obtained; and when a main water supply system has faults, a buffer tank is started to continue supplying water until the faults are removed, thus the normal operation of the device can not be influenced by the faults of the water supply system.

The invention provides a protective device of a power battery, which solves the problem that the whole battery pack forms a short-board effect because the environmental temperature difference between single batteries causes the effectiveness reduction of single batteries in the process of charging and discharging a battery pack of the power battery in the prior art. The protective device comprises a closed battery box inside which a liquid is contained, wherein the battery pack is immersed into the liquid inside the battery box. The invention also provides a protective method of the power battery, comprising the step of immersing the battery pack of the power battery into the liquid. The protective device or the protective method can equalize the environmental temperature of all single batteries in the battery pack, avoid the problem of the single batteries, prevent the short-board effect, prolong the service life of the batteries and also achieve the effect of fire prevention because of the liquid sealability of the liquid.

The invention relates to a preparing technique and a growth device of a large-size sapphire crystal, and the preparing technique of the large-size sapphire crystal comprises the following steps: (1) aluminum sesquioxide with high purity that is weighted is filled into a molybdenum crucible pot, a stove is vacuumized until the atmospheric pressure inside the stove is less than 10<-3> Pa, and then protective gases are filled into the stove, and the stove pressure achieves minus 90 to plus 20 KPa; (2) raw materials are heated until complete melting is achieved, and heat is preserved for 3 to 5 hours; (3) seed crystals are lowered by 15 to 120mm under heat preservation, and then the molybdenum crucible pot is lowered by the height of the molybdenum crucible pot; (4) the temperature in the stove is decreased until 1600 to 1750 DEG C; (5) the molybdenum crucible pot is re-raised to a heating region, and heat is preserved for 100 to 150 hours and then the temperature is decreased slowly until room temperature. The preparing technique of the large-size sapphire crystal of the invention is characterized by simple device structure, low production cost, good preparing technique stability, reliable process, easier bubble elimination and high yield, and can cultivate the single sapphire crystal with large size, small dislocation density and high quality.

The inVention belongs to the technical field of noVel cigarettes, and particularly relates to a cigarette structure of a heating non-combustible cigarette. The heating non-combustible cigarette is composed of a cylinder hollow coiling block, a cleaning spacer sleeVe arranged at the front end of the coiling block, and a smoking product section and a cooling filtering section which are sequentiallyarranged inside the coiling block. By arranging the cleaning spacer sleeVe, a user can insert a heating body into a cigarette, no cut tobacco can drop out, meanwhile, small parts in smoking products cannot fall into a heater in the heating process, and cleanness in the heater is ensured.

The invention discloses a multifunctional glass polishing machine which comprises a feeding frame and a polishing device. The polishing device comprises moving control boxes, a cantilever, a bottom operating table and a water tank. A cleaning trough, a horizontal slide rail, vertical slide rails and upper polishing mechanisms are arranged in the cantilever. The upper polishing mechanisms are connected to a cantilever rod through supporting frames. The feeding frame horizontally penetrates through the moving control boxes. The bottom operating table is located below the feeding frame, and a lifting table, a supporting plate, a sewage disposal pool and a lower polishing mechanism are arranged in the bottom operating table. The lower polishing mechanism is arranged on the top face of the lifting table. Pressing mechanisms are arranged on the two sides of the cantilever. The water tank is located on one side of the feeding frame and connected with the cantilever through a conveying pipe. The multifunctional glass polishing machine is simple in structure and high in practicability, can be used for polishing both plain glass and curved glass, and improves the efficiency and quality of polishing.

The invention discloses a vertical container used for storing low-temperature liquid. The vertical container comprises a shell provided with a seal cavity, an inner container mounted in the cavity and used for storing the low-temperature liquid and a cold source container used for storing liquid nitrogen; the outer side of the inner container is coated with a liquid nitrogen cold shield, a liquid nitrogen cooling pipe is arranged on the liquid nitrogen cold shield, and the liquid nitrogen cooling pipe and the cold source container are communicated to form a liquid nitrogen circulation loop; and the vertical container mainly adopts a heat insulation manner combining vacuum multi-layer heat insulation with the liquid nitrogen cold shield to reflect the excellent heat insulation performance. An inner container used for storing liquid nitrogen media is arranged in the vertical container, the independent liquid nitrogen cold source container and the independent liquid nitrogen cold shield are arranged, through dissipation of liquid nitrogen in the cold source container, the heat wall temperature of the liquid nitrogen container is reduced to 77 K from 300 K, the radiant heat flux is reduced to 1 / 150 to 1 / 200 of the original flux, and therefore the aim of greatly reducing the daily evaporation rate loss of the container is achieved.

The invention discloses an artificial lawn capable of reducing the surface temperature and meeting the demand of people on a low-temperature artificial lawn and also provides a preparation method of the low-temperature artificial lawn at the same time. The low-temperature artificial lawn is prepared from the following components in part by weight: 85 to 98 parts of base resin, 0 to 5 parts of master batch, 0.1 to 5 parts of auxiliary agent and 0.1 to 10 parts of temperature-reducing filler master batch.

The invention relates to a flue gas purifying system which comprises a pretreatment system, a flue gas cooling system and an adsorbing tower, wherein flue gas enters the adsorbing tower through the pretreatment system by a pipeline and then is purified, the flue gas cooling system is arranged on a pipeline between the pretreatment system and the adsorbing tower, the flue gas cooling system comprises a flue gas cooler, an external gas diluter, a first temperature sensor, a second temperature sensor and a first flue gas pipe; one end of the first flue gas pipe is fixedly arranged on a gas inlet of the adsorbing tower, a gas inlet baffle plate is arranged on the gas inlet of the adsorbing tower, the other end of the first flue gas pipe is connected with the pretreatment system, the external gas diluter and the flue gas cooler are respectively arranged on the first flue gas pipe, the flue gas cooler is positioned between the external air cooler and the adsorbing tower, the first temperature sensor is positioned between the external gas diluter and the flue gas cooler, the second temperature sensor is positioned between the flue gas cooler and the adsorbing tower, and a baffle plate capable of regulating the gas inflow is arranged on the external gas cooler. According to the flue gas purifying system, local hot spots of active carbon or active coke in the adsorbing tower can be prevented.

The invention provides a multifunctional household air energy pot which comprises an upper cover, an inner container, a heat insulating cover and a shell; a fan drive component and an electric heating pipe are arranged at the bottom of the heat insulating cover, the fan drive component comprises a drive motor, an upper fan blade and a lower fan blade, the upper fan blade and the lower fan blade are respectively adaptively mounted on a middle shaft of the drive motor, the drive motor drives the upper fan blade to rotate to form a hot air circulation path for heating the inner container, so that the air heat of a heat source is ensured, food is quickly and uniformly heated, and the food baking effect is ensured; meanwhile, the drive motor drives the lower fan blade to form a cold air circulation path for cooling the shell and drive motor, so that the use quality of products is ensured; as the heat insulation cover has an upper placing level convenient for installation of the inner container, the inner container can be replaced according to the type of the food to be processed, so that the food baking function and the food cooking function in the same equipment are achieved; the multifunctional household air energy pot is convenient to use and strong in adaptability.

The invention discloses a charged crushing assembly device of a scrapped lithium-ion power lithium battery, and belongs to the field of waste battery crushing. The charged crushing assembly device solves the problems that an existing battery crushing technology easily generates combustion and easily generates explosion. A battery double-shaft shredding machine is arranged above a waste battery; a feeding hopper is arranged above the battery double-shaft shredding machine; a spray head is arranged inside shredding equipment to prevent combustion explosion; the upper end of an open type loader is arranged on the side wall of the feeding hopper; the lower end of a sealed type loader extends into a waste water tank; the upper end of the sealed type loader is connected with a feeding hole of a hammer type crusher; the upper end of the feeding hopper, the sealed type loader and a gas outlet of the hammer type crusher are connected with an inlet end of a suction ventilator through an air suction pipeline; and an outlet end of the suction ventilator is connected with a waste gas treater. The charged crushing assembly device adopts a direct charged crushing mode and does not need to discharge a battery, so that the period of crushing the battery is shortened, universal performances are strengthened, personnel operation is convenient, performances are reliable and the charged crushing assembly device is safer.

The invention discloses a power conversion device. The power conversion device comprises a device base. A protection casing body is arranged on the device base. A processor is arranged on one side of the protection casing body. One end of the protection casing body is provided with a liquid inlet, a liquid outlet and an inlet base. The other end of the protection casing body is provided with an outlet base. The inlet base and the outlet base are electrically connected with a conversion box arranged in the protection casing body. The lower part of the conversion box is connected with a slide base through a group of vertical damping springs. Both ends of the slide base are provided with lateral damping springs. A group of semiconductor cooling plates and a group of fans are arranged in the protection casing body. A serpentine heat exchange tube is arranged on the surface of the conversion box. The power conversion device has the advantages of easy and labor-saving movement, flexible positioning and reliable fixation, is provided with water cooling and air cooling, and has a good damping effect. The conversion box is prevented from being damaged by bumping. The service life of the device is prolonged. The failure rate is reduced.

The inVention belongs to the technical field of noVel cigarettes, and particularly relates to a cigarette structure of a heating non-combustible cigarette. The heating non-combustible cigarette is composed of a cylinder hollow coiling block and a cigarette front section, a cigarette middle section and a cigarette back section which are sequentially arranged inside the coiling block, and the diameters of the cigarette front section, the cigarette middle section and the cigarette back section are all equal to the inner diameter of the coiling block. By forming multiple sheet heating body insertion grooVes, a consumer can conVeniently insert sheet heating bodies into cigarettes. When the structure of the multiple sheet heating body insertion grooVes is adopted for heating, the surplus sheet type heating body insertion grooVes and suction resistance regulating air holes can jointly achieVe the air guiding effect, and the insertion grooVes can also replace the suction resistance regulatingair holes to directly achieVe the air guiding effect.

The invention discloses a lower limb vein thrombosis prevention and treatment instrument and relates to the field of medical instruments. The lower limb vein thrombosis prevention and treatment instrument comprises a lower limb cushion and a massage device. The lower limb cushion comprises a shank cushion plate and a thigh cushion plate which are hinged. The thigh cushion plate is connected with an adjusting rod penetrating through a fixed seat. The massage device comprises a main machine and a leg sleeve. The main machine comprises a box internally provided with an electromagnetic air pump, an electromagnetic water pump, an electronic temperature adjusting device and a constant-temperature water tank. A panel of the box is provided with a time control instrument, a pressure dial gauge, a pressure adjusting valve and a temperature control instrument. The time control instrument, the pressure dial gauge and the pressure adjusting valve are connected with the electromagnetic water pump, and the temperature control instrument is connected with the electronic temperature adjusting device and the electromagnetic water pump. The leg sleeve comprises an air bag communicated with the pressure adjusting valve, and a cushion blanket arranged on the surface layer. The problems that in the prior art, the angle and the height of a lower limb cushion cannot be adjusted, the lower limb is prone to slide down from the two sides, the popliteal space is prone to be pressed, blood circulation is affected, and the cold-proof and heat preservation effect on the affected limb is poor and the problem that the inflation and deflation pressure of a pressure anti- thrombosis pump cannot be adjusted at any time are solved.

The invention relates to high-strength thin strip steel for cold forming and a manufacturing method thereof. The manufacturing method comprises the following steps: performing uniform enhanced cooling on a cast strip by adopting a high-pressure dry ice spraying way after the cast strip is discharged from a crystallization roller, thus rapidly cooling the cast strip to below 1280 DEG C, wherein the cooling rate is 200-300 DEG C / s, and by adopting the cooling way of the strip steel after boron treatment, the precipitation of coarse BN (boron nitride) can be promoted, the appearance of low-melting point phase B2O3 and the precipitation of fine AlN can be prevented and the purposes of uniformizing austenite grains and reducing yield ratio are achieved; then performing austenite online recrystallization rolling; cooling the strip steel after hot rolling by atomization cooling, wherein the cooling rate of atomization cooling is 10-70 DEG C / s; coiling at the temperature of 650-750 DEG C. Through the manufacturing method provided by the invention, the high-strength thin strip steel for cold forming of an automobile, which has relatively low yield ratio and excellent stamping performance, can be obtained. The high-strength hot-rolled thin strip steel for cold forming, which is produced by the method, can be directly used for replacing cold-rolled steel with the hot-rolled steel, cancel a cold rolling process step and greatly reduce production cost.

The invention discloses a high-pressure cooling-heating table device for in-situ observation of an aquo-complex microscopic reaction kinetics process. The high-pressure cooling-heating table device comprises a high-pressure cooling-heating table body, an observation system, a gas supply system, a gas discharge system, a temperature control system, a pressure control system and a computer data acquisition system, wherein a cooling channel connected with the temperature control system and used for controlling the temperature in a reaction tank is also arranged inside a base; the high-pressure cooling-heating table body further comprises a gas inlet and a gas outlet communicated with the reaction tank; the gas supply system and the gas discharge system are respectively communicated with the gas inlet and the gas outlet of the high-pressure cooling-heating table body, and are used for providing high-pressure gas for the high-pressure cooling-heating table body. The high-pressure cooling-heating table device for the in-situ observation of the aquo-complex microscopic reaction kinetics process has the beneficial effects that the observation on gas hydrate through laser Raman under a high pressure environment is realized; the allowable pressure is large; high-pressure buffer tanks are respectively arranged at the gas inlet end and the gas outlet end of the high-pressure cooling-heating table body, so that the pressure and the gas flow velocity inside the high-pressure cooling-heating table can be effectively controlled.

The invention discloses a hand-held plasma jet flow device. The jet flow device comprises an insulating shell, the insulating shell is internally provided with a jet flow unit, a dielectric barrier discharging unit and a charging module for providing power for the jet flow unit and the dielectric barrier discharging unit, the charging module comprises a detachable lithium battery and a charging interface, the jet flow unit introduces airflow into the insulating shell, a discharging region of the dielectric barrier discharging unit generates plasma, and the jet flow unit not only continuously transports the airflow to the discharging area, but also can cool the plasma generated by the discharging area. According to the jet flow device, the detachable lithium battery is arranged in the jet flow device and provides current for the jet flow unit and the dielectric barrier discharging unit, and without an external power supply, the device is convenient to carry and use and can serve as small portable emergency equipment for home or outdoor activities.

The invention relates to an automatic fusing machine for EPE pearl wool. The automatic fusing machine for the EPE pearl wool comprises a cabinet, a material conveying device, a material taking device and a heating and ironing device, wherein the material conveying device is horizontally arranged on a material discharging station of the cabinet, and a material conveying plate of the material conveying device can horizontally move to a processing station of the cabinet; the heating and ironing device is horizontally arranged on the cabinet, and a heating and ironing plate of the heating and ironing device can horizontally move to the processing station of the cabinet and is positioned over the material conveying plate moved to the processing station; the material taking device is perpendicular to the cabinet, and a material taking plate of the material taking device is arranged right above the processing station and can perpendicularly move up and down to the material conveying plate and the heating and ironing plate on the processing station; material taking needles are arranged on the bottom surface of the material taking plate at intervals. Therefore, fusing of an upper material and a bottom material of a pearl wool sheet can be automatically finished; the automatic fusing machine is suitable for fusing large-area pearl wool sheets, and the material taking needles can be used for guaranteeing stable taking and loading of the pearl wool sheet; the moving and conveying precision is high, the fusing speed is high, heating is uniform, and the fusing effect is good.

The invention discloses an intensive insulation bus duct which comprises a busbar protecting shell and a plurality of busbars arranged in the busbar protecting shell. Each busbar comprises a busbar conductor and an insulating layer which wraps the busbar conductor. The busbars are arranged in parallel side by side. The space between the busbar protecting shell and the busbars which are arranged side by side is filled with fire-resistant materials. Inorganic heat-absorbing materials are arranged in the intensive insulation bus duct. The inorganic heat-absorbing materials in the intensive insulation bus duct can release water vapor when heated to a certain degree; heat is absorbed in the process that the inorganic heat-absorbing materials release the water vapor, and the heat absorption process can play a role in cooling; moreover, the volatilization of the water vapor can take away the heat continuously so as to lower the temperature of the bus duct, therefore, the fire resistance of the bus duct can be improved, the continuous power supply capability of the intensive insulation bus duct in a fire is improved, and the continuous power supply time of the intensive insulation bus duct in the fire is prolonged.

The invention relates to a ceramic raw material grinder applied to 3D printing, and in particular to a ceramic raw material fast grinder applied to 3D printing. The invention aims to solve a technical problem and provide a ceramic raw material fast grinder applied to 3D printing with a better grinding effect, a simple structure and high working efficiency. In order to solve the technical problem, the invention provides the ceramic raw material fast grinder applied to 3D printing; the ceramic raw material fast grinder applied to 3D printing comprises a base plate, a left frame, a right frame, a first supporting rod, a first sliding rail, a second supporting rod, a third supporting rod, a fourth supporting rod, a collecting frame, a fifth supporting rod and the like, wherein the left frame, the first supporting rod, the first sliding rail, the second supporting rod, the third supporting rod, the fourth supporting rod, the collecting frame, the fifth supporting rod and the right frame are sequentially arranged at the top of the base plate from left to right. The ceramic raw material fast grinder applied to 3D printing achieves effects of the better grinding effect, the simple structure and high working efficiency, can fast grind ceramic raw materials, and improves working efficiency of enterprises; furthermore, the fast grinder is rationally provided with an air blower.

The invention provides an independent column bag-type intelligent flexible automatic turnover nursing bed, belonging to the technical fields of medical care and automatic control. The independent column bag-type intelligent flexible automatic turnover nursing bed is composed of closed bag-type water storage equipment, a motor-driven pump, a water bag group, a main controller and a bed support. The automatic turnover nursing bed has the beneficial effects as follows: by means of full utilization of the thermal conductivity and incompressibility of water, accurate control of body temperature and prone position of human body can be realized by controlling water temperature as well as the pressure and flow of water bags in various units, and meanwhile the nursing bed in the operating process can keep quiet without air current noise like that of an air bag device; and as a proportional servo valve is employed for controlling water flow, water filling and discharging time of each water bag can be adjusted artificially so as to achieve the purpose of humanized control of tolerance level of patients during different periods. The automatic turnover nursing bed can regulate body temperature, flexibly change the prone position of a patient lying in bed for long term according to the acceptance of the patient, promote blood circulation, monitor the state of the patient in real time by controlling a computer and various sensors, reduce nursing workload and false accept rate of nursing personnel maximally and improve comfort level of the patient. The independent column bag-type intelligent flexible automatic turnover nursing bed has the advantages of compact structure, fewer parts, lighter weight compared with the similar device, and small packing size, and is easy to replace damaged parts, and is applicable to the environment in shortage of medical personnel for disaster relief, battlefield nursing and the like.

The invention discloses environment-friendly cement. The raw materials include various industrial waste residues, limestone, cement clinker, gypsum, a grinding aid and an excitation substance. The environment-friendly cement is characterized in that the weight parts of the raw materials are as follows: 50-60 parts of admixture, 32-40 parts of cement clinker, 4-8 parts of gypsum, 0.03-0.05 part of grinding aid and 3-5 parts of excitation substance. Since the production process of the environment-friendly cement adopts a low-temperature mechanical-chemical co-excitation technology, the mixing amount of the admixture is large, multiple industrial waste residues can be used as raw materials, the raw materials are widely available, the cost is low, a great quantity of industrial waste residues can be consumed, the waste is turned into wealth, and the performance of the obtained product is remarkably improved from the quality index.

The invention relates to the technical field of plastic, and in particular relates to infrared reflection / emission thermal-insulating plastic functional master batch and a preparation method thereof. The master batch comprises the following components in percentage by weight: 5-40% of pre-dispersed infrared reflection nano material, 5-50% of infrared emission pigment packing, 5-20% of hollow micros beads, 0.1-5% of surface treating agent, 20-48.9% of synthetic resin and 1-10% of additive. Infrared reflection / emission thermal-insulating plastic made of the master batch can replace infrared reflection thermal-insulating coatings in multiple fields, and not only is the time and labor waste in spraying coatings avoided, but also environment pollution caused by organic solvent volatilization is avoided.

The invention discloses a thin strip steel for a thin-wall oil drum and a manufacturing method of the thin strip steel. Double-roll thin strip continuous production is adopted; a dry ice spray mode is adopted after a cast strip is discharged from a crystallization roll; uniform enhanced cooling is performed on the cast strip; the cast strip is quickly cooled to be below 1,280 DEG C; the cooling rate is 200-300 DEG C / s; in such a cooling mode, separation of coarse BN (Boron Nitride) can be promoted and low-melting-point phase B2O3 and fine AlN (Aluminum Nitride) separation are prevented to fulfill the aims of uniformizing austenite crystal grains and reducing the yield ratio; and then austenite is recrystallized and rolled on line, and the strip steel which is subjected to hot rolling is cooled through anti-oxidation quick cooling, wherein the cooling rate is 80-200 DEG C / s and the coiling temperature is 500-600 DEG C. Through the invention, the thin strip steel for the thin-wall oil drum with low yield ratio and superior impact performance can be obtained. According to the thin strip steel for the thin-wall oil drum produced by the method, the hot thin strip steel can be directly used in place of a cold one, a cold rolling step is removed, and the production cost is greatly reduced.