38results about How to "Increase water storage space" patented technology

The invention provides a water storage and supply module capable of automatically absorbing and draining water for growth of plant. The water storage and supply module is characterized by mainly consisting of an upper module and a lower module which are connected in an inserting manner, wherein the upper module is provided with a clamping strip (6), the lower module is provided with a clamping groove (20), the clamping strip (6) is inserted in the clamping groove (20), the upper module is provided with a panel (22) and a bearing siphon cylinder (8) connected with the panel (22), the bearing siphon cylinder (8) has a space for containing water absorbent, a siphon hole (9) is arranged on the cylinder wall of the bearing siphon cylinder (8), the bottom of the bearing siphon cylinder (8) is directly supported or suspended on the inner bottom of the lower module, the lower module consists of a water storage box (12) which is matched with the panel (22) and a connecting buckle (13) which is connected with an adjacent water supply module, the connecting buckle (13) is connected with the side edge of the water storage box (12), and the edge opposite to the connecting buckle (13) is provided a groove (14) in which the connecting buckle is inserted. The water storage and supply module has simple structure, is convenient to manufacture and does not need artificial irrigation and maintenance in normal condition.

A deep applicator for smashing straws which is connected at the back of a tractor comprises a frame, a ground wheel, a hydraulic motor, a straw pressing device, a hopper, a spiral thrustor, a straw guiding cylinder and a rat runway opener, wherein the frame is connected with a here-point suspension gear via a suspension hanger, the ground wheel is connected with the frame by a ground wheel shaft bracket, the hydraulic motor is fixed on the frame by a shaft end bracket, the input port of the hydraulic motor is connected with the hydraulic power output port of the tractor by a hydraulic control system, the straw pressing device is fixed on the frame, the hopper is connected with the frame by a supporting bracket, the outlet at the lower end of the hopper is connected with the inlet of the straw pressing device, the spiral thrustor is mounted inside the straw pressing device via a bearing seat, the output shaft of the hydraulic motor is connected with the input shaft of the spiral thrustor by a coupler, the straw guiding cylinder is a hollow cylinder, the inlet of the straw guiding cylinder is connected with outlet of the straw pressing device, the rat runway opener is connected with the lower end of the straw guiding cylinder, is hollow inside and is provided with an opening at the bottom end.

The invention discloses a cooling water storage box type pavement structure. The cooling water storage box type pavement structure comprises a pavement layer meeting the using requirements of a load of a road, wherein the pavement layer is provided with a water storage space, and the water storage space is communicated with a rainwater collection and drainage system. As the cooling water storage box type pavement structure comprises the pavement layer meeting the using requirements of the load of the road, the cooling water storage box type pavement structure can achieve the functions of vehicle driving, people walking, pipeline laying and the like; in addition, as the pavement layer is provided with the water storage space, a heat island effect of a city can be slowed down, the instantaneous rainstorm of the city can be stored, a water storage space of the city is increased, rainwater can be collected as far as possible, the waste of the rainwater is reduced, and the water can be used for watering a roadside green belt and the like nearby.

The invention relates to a waterway system of a sponge city. The system comprises a pipe shaft, a drain pipe, a steel barrier grid, a water storage tank and a high-position water storage tank. The water storage tank and the high-position water storage tank can enlarge the storage space of rainfall, and reduce the urban water logging due to the fact that the rainfall is larger than the drainage amount of the drain pipe during a specific period of time.

The invention provides a generator, a fluid distribution system and a heating method of the fluid distribution system. The generator comprises an atomizing part, a metal sheet, a heating part and a silicone sleeve, wherein a micro-hole is formed in the middle of the metal sheet, the silicone sleeve is annularly arranged on the periphery of the generator, the atomizing part and the heating part are arranged on the metal sheet at an interval or in a laminated mode, the heating part is made of an electric heating material, the heating part is used for transferring heat to the metal sheet, and the atomizing part of the generator is made of piezoelectric ceramics. Thus, the generator has an atomizing function and also has a heating function, and through the control over the generator by the control module, atomizing and heating are rapidly realized.

The invention provides a hydraulic cleaner and a micro-fog dust suppression device. The hydraulic cleaner comprises a washing mechanism and a walking mechanism. The washing mechanism comprises an installation frame, a water tank, a washing pipe, two pressurization wheels, two sealing sliding pieces and at least one shield piece. The washing pipe is provided with a water inlet and a water outlet. The water inlet and the water outlet communicate. The sealing sliding pieces are slidably arranged in the washing pipe. The pressurization wheels are in driving connection with the sealing sliding pieces. The pressurization wheels slide relative to the washing pipe when rotates, and therefore sealing pieces are close to each other, water is squirted from the water outlet, and water squirting operation is achieved. The shield pieces block the water outlet, so that water leakage is prevented when utilization is not required. Water being squirted from the water outlet is achieved by pushing the hydraulic cleaner, operation is convenient, energy is saved, and environment protection is accomplished.

The invention relates to a loose fiber continuous washing and finishing machine, and belongs to the technical field of loose fiber processing equipment. The equipment comprises a base, an unwinding device, multiple washing devices, multiple rolling devices and a squeezing device are arranged on the base in sequence in the processing direction of loose fiber; the washing devices and the rolling devices are arranged at intervals, washing tanks are filled with washing water, and a pipeline is connected between every two adjacent washing devices. Accordingly, by arranging the washing devices and the rolling devices which are arranged at intervals, a fiber layer is subjected to multiple times of cleaning and squeezing, residual chemical agents in the fiber layer are washed out rapidly conveniently, and cleaning is more sufficient; the adjacent two washing devices are connected through the pipelines, and the last washing device is connected with an external water source so as to supplement the washing water, the water in the external water source flows forwards step by step through the way of overflow, the utilization rate of the water is increased, and water consumption is greatly reduced.

The invention discloses a food supporting box capable of permeating and isolating through film small holes. The food supporting box comprises a box body, wherein a bloody water collecting groove is formed in the bottom of the box body; a punched water absorption pad is arranged to seal a groove opening of the bloody water collecting groove; the punched water absorption pad is of a multi-layer structure; the upper layer of the punched water absorption pad is a waterproof punched film, and the lower layer is a water absorption material layer; and the waterproof punched film and the water absorbing material layer are compounded together one above the other. The food supporting box realizes isolation of bloody water and food, and is large in the water storage space at the bottom of the supporting box; and the punched water absorption pad is fixed through ultrasonic welding, and cannot turn over during transportation, so that the bloody water can be effectively prevented from overflowing and is prevented from making direct contact with meat products and other food, long-term soaking is prevented, and the shelf life of the meat products and other food can be prolonged.

The invention discloses an LID (low impact development) type rainwater ditch and a design and calculation method for the same, and is applicable to various rainwater drainage ditches such as drainage ditches, farmland drainage ditches and floodwater drainage ditches on two sides of a slope and two sides of a road. The rainwater ditch comprises a ditch, storage dams, overflow ports, a rubble layer, a sandy soil layer, ecological slopes and the like. The sandy soil layer is laid on a bed of the ditch, the rubble layer is laid on the upper side of the sandy soil layer, and the storage dams are longitudinally continuously arranged along the ditch and are separated from one another by a certain distance, so that a series of reservoirs which are continuously distributed are formed along the ditch. The design and calculation method includes designing and calculating layout spacing of the water storage dams and the sizes of the overflow ports. The LID type rainwater ditch and the design and calculation method have the advantages that the LID type rainwater ditch has multiple functions of 'drainage, water storage, infiltration and decontamination', and is incomparable to a hard rainwater ditch only with a drainage function; the LID type rainwater ditch is high in water storage capacity and drainage speed which are deficient in a wetland bed type rainwater ditch; the rainfall flood runoff volume can be obviously reduced, the groundwater recharge can be improved, non-point surface pollutants of rainwater can be reduced, and environments can be beautified.

The invention relates to an electric water heating device, and discloses an electric water heating device with a filter function. The electric water heating device comprises a device body (1), a water storage device (2) is arranged at the upper end of the device body (1), a heating device (3) is arranged at the lower end of the device body (1), a filter device (4) is arranged inside the water storage device (2), an electric kettle (5) is arranged on the heating device (3), a purified water outlet (21) is formed in the water storage device (2), the upper end of the electric kettle (5) is provided with a purified water inlet (51) corresponding to the purified water outlet (21), and the side wall of the water storage device (2) is transparent, and a lifting handle (22) is fixedly arranged on the side wall. The filter device (4) is arranged inside the water storage device (2) instead of being arranged inside the electric kettle (5), so that the influence on the filter device (4) when the heating device (3) heats water can be avoided, meanwhile, the water containing space of the electric kettle (5) can be effectively increased, and the requirement for daily use is sufficiently met.

The invention provides a novel atomization device and a use method thereof. The atomization device comprises an outer casing and a fluid distribution system mounted in the outer casing; the outer casing is provided with an atomizing nozzle formed in the top of the outer casing; the fluid distribution system comprises a liquid separation module, an atomization component and a control module; the liquid separation module is provided with a main water cavity, an auxiliary water cavity and a water inlet; the water inlet communicates with the main water cavity and the auxiliary water cavity; the atomization component comprises a generator located between the atomizing nozzle and the auxiliary water cavity; the auxiliary water cavity is located below the generator; the generator is obliquely aligned to the atomizing nozzle and the auxiliary water cavity; when the liquid level of the auxiliary water cavity is higher than the center position of the generator, the generator can atomize liquid of the auxiliary water cavity; and the control module is electrically connected with the generator and is used for controlling the generator to atomize the liquid of the auxiliary water cavity. Thus, liquid separation and upward design of the atomizing nozzle are realized through a liquid separation structure, the separated liquid can be atomized, and upward atomization is realized.

The invention discloses a green corridor type regulating and storing system of a wandering river in an arid area. The green corridor type regulating and storing system includes a river channel regulating and storing belt arranged on a riverbed and slope stabilization belts arranged on river banks on the two sides. The river channel regulating and storing belt comprises aquatic vegetation, a cobblestone layer, a permeable paving layer, a vegetation planting soil layer and a water storing and collecting layer which are arranged sequentially from top to bottom. Each slope stabilization belt comprises a sand-proofing grid laid on the corresponding river bank and vegetation planted on the corresponding sand-proofing grid. When a flood season comes, the river channel regulating and storing beltin the green corridor type regulating and storing system provides a certain storage space and increases the capacity of flood discharging of a river channel. When a drought period comes, the purpose of recharging ecological base flow is achieved through water resources stored in the river channel regulating and storing belt.

The embodiment of the invention provides a humidifier. The humidifier comprises a main machine, a water tank and a base, wherein an air inlet is formed in the upper part of the water tank; an air outlet is formed in the upper part of the main machine; a water groove is arranged on one side of the base; the main machine and the water tank are both arranged on the base; the water tank is positionedabove the water groove and communicates with the water groove, so that an air inlet channel communicating with the air inlet is formed among water in the water tank, the water tank and the main machine; and a filter stretching into the water groove is arranged on the lower part of the air inlet channel, so that gas enters the humidifier from the air inlet, is humidified through the filter and thenis exhausted from the air outlet. According to the humidifier, the air inlet of the humidifier is formed in the upper part of the water tank, the water containing space of the base can be increased while the air inlet effect is not affected, and the situation of water leakage of the water tank is relieved; the filter is arranged in the air inlet channel formed between the water tank and the mainmachine, it can be ensured that air entering the humidifier from the air inlet is effectively humidified through the filter, and the air humidifying efficiency is improved; and the humidifier is compact in structure and small in occupied space.

The invention provides a soil-water separation container cultivation method for large-scale landscape plants. The method comprises the steps that 1, a cultivation container is processed; 2, a partition plate is manufactured; 3, root holes are formed in the partition plate; 4, air holes are formed in the wall of the container; 5, the plants are cultivated; 6, a matrix is filled up; 7, root-inducingcuring water is prepared; 8, watering and curing are conducted; 9, ordinary curing is conducted. According to the soil-water separation container cultivation method, the cultivation container of thelarge-scale landscape plants is subjected to layered design, a matrix layer can provide nutrient for the plants, a water storage layer provides moisture for the plants, the water storage space is larger, the water storage amount is larger, and the moisture can be provided for the plants for a long time; after watering or heavy rain each time, surplus moisture can flow into the water storage layerfor storage, the moisture is provided for the plants for a long time, accordingly, the time of manual watering is reduced, used water is saved, and the management cost is further lowered.

The invention discloses a flat sheet membrane device capable of forming water outlet and circulation channels after splicing. The flat sheet membrane device comprises an aeration assembly at the bottom and a plurality of layers of flat sheet membrane assemblies stacked above the aeration assembly; the flat sheet membrane assemblies are limited by a limiting plate at the top of an aeration frame; the flat sheet membrane assembly comprises two side plates and a plurality of limiting strips for connecting the two side plates; a plurality of flat sheet membranes are clamped between the two side plates; the two side plates are connected through a tensioning rod; a plurality of first lugs are arranged at the edge strips of a membrane element supporting plate of the flat sheet membrane; a plurality of water outlet pipes are arranged on the first lugs; sealing plates are arranged at the edge strips on the two sides of the membrane element supporting plate; a water outlet channel is formed after the plurality of flat sheet membranes are overlapped; water outlets communicated with the water outlet channel are formed in the two side plates; a circulation channel with upper and lower openingsis formed between every two adjacent flat sheet membranes; and the upper-layer flat sheet membrane assembly is limited by a limiting plate at the top of the lower-layer flat sheet membrane assembly. The flat sheet membrane device is convenient and fast to assemble.

The present invention discloses an automatic spraying and irrigation system for fruit trees in gardens. The automatic spraying and irrigation system comprises a water storage tank, a water level sensor and a main pump, solar energy panels are arranged at top ends of the water storage tank, a water injection pipe is connected to an outside of the water storage tank, a lower partition plate is arranged below an upper partition plate, an external connection box is connected with an outside of an upper communication pipe, the main pump is arranged at a bottom part of a right side of the water storage tank, an output end of the main pump is connected with a three-way pipe, a water delivery pipe is connected with an outside of the three-way pipe, a limiting rod is arranged at an outside of a four-way pipe, and an air humidity sensor is fixed at a top end of an upper supporting rod. The automatic spraying and irrigation system of the fruit tree in the gardens is convenient for selection in spraying and irrigation modes, a water storage space is also increased, the system is convenient for control, when the pump machine breaks down, timely water spraying and irrigation work is favorable, and besides, the automatic spraying and irrigation system is convenient for guaranteeing stability of long-term use and convenient for local maintenance work.

The invention discloses an efficient heat storage and taking water storage device. The efficient heat storage and taking water storage device comprises a heat storage water tank (7) and an expansion water tank (1) located below the heat storage water tank (7). The heat storage water tank (7) and the expansion water tank (1) communicate with each other through a make-up pump set (2) and a water escape valve set (10). The expansion water tank (1) is provided with a water make-up valve set (11) capable of making up water when the water level is low. The heat storage water tank (7) is composed of heater assemblies (3), an outer water supply assembly (4), a pressure monitor assembly (5), a water distribution assembly (6), a temperature monitor assembly (8) and a water uniformizing plate (9), and it is guaranteed that the efficient heat storage and taking function is achieved. The device solves the problems that an existing heat storage and taking water storage device is low in heat storage temperature and small in energy density.

The invention discloses a time-delay water filling water intake rod, which comprises a water tank, a head-on float cover, a remaining water over-flow level, a transmission rod, a loose joint, a lever,a pivot, a plug, a pressure relief hole, a differential pressure valve, a water filling outlet, a running water interface, a fixing bracket, an inter-float gap, a bottom-sealed sealing port, a bottom-sealed small float, a bottom-sealed water leaking port, an inverted float and a float connecting rod; the water intake rod is mainly characterized in that remaining water exists between the top of the inverted float and the remaining water over-flow level by a certain depth when the plug and the pressure relief hole are sealed, and the duration of a delayed water filling time of the water fillingwater outlet is determined by the amount of remained water, so that the problem of a sanitary appliance that kinetic energy becomes dispersed when flushing is conducted under the assistance of pressure of running water can be solved perfectly.

The invention discloses a reservoir component device. The device comprises a plurality of combined and connected water storage modules and a plurality of side plates which are connected onto the outside of an assembled reservoir. Each of the water storage modules comprises a bottom plate, a top plate and a strut unit fixedly connected between the bottom plate and the top plate. The upper and lower water storage modules are assembled and connected through the strut units, overlapping faces between the water storage modules share one bottom plate or top plate, and the left and right water storage modules are assembled and connected through anti-falling units. According to the device, the structure is firm, the bearing capacity is large, and the component device stability is improved; module shifting or scattering cannot occur easily, so that mounting and construction are facilitated; besides, the upper and lower overlapping faces between the water storage modules share one plate, so that the utilization number of materials is reduced, and production and transportation costs of the component device are reduced; moreover, in the condition of the identical size, the reservoir volume is increased, and the device is convenient to popularize and use.

The invention relates to an anti-flooding bay basement with stiffening ribs, and belongs to the field of underground structures. A plain concrete layer is arranged on the bottommost part of the basement, a waterproof layer is arranged on the top of the plain concrete layer, concrete transverse stiffening ribs and concrete longitudinal stiffening ribs which are crossed transversely and longitudinally are arranged on the top of the waterproof layer so as to define a rectangular stiffening anti-flooding bay, anti-flooding bay bottom longitudinal communicating holes and anti-flooding bay bottom transverse communicating holes which communicate with each other are respectively formed in the bottoms, a concrete perforated sandwich plate is arranged along the inner side of a basement wallboard, and the concrete perforated sandwich plate is close to the basement wallboard. The anti-flooding bay basement has the effects and advantages that distributed lower water passing groove openings and distributed upper water passing openings are combined, water in the basement can effectively and rapidly enter the stiffening anti-flooding bay, the stiffening anti-flooding bay has high strength and rigidity and has a large water storage space, the water storage capacity is obviously increased, and the anti-flooding capacity of the basement can be obviously increased.

The invention discloses an arid region roundabout spiral water storage and drainage structure and a construction method thereof. The structure comprises a water storage well located in the center of a roundabout, openings distributed in the circumferential direction of the outer ring of a standing stone, and spiral drainage ditches, radial drainage ditches, an integrated pump station, drip irrigation branch pipes and nozzles which are arranged on the roundabout, the head ends of the spiral drainage ditches communicating with the opening located at the lowest position of the longitudinal section of a loop, the tail ends of the spiral drainage ditches spirally extend inwards at a certain gradient to communicate with the water storage well, the head ends of the radial drainage ditches communicate with the other corresponding openings, the tail ends of the radial drainage ditches extend in the radial direction at a certain gradient to communicate with the spiral drainage ditches, the spiral drainage ditches and the radial drainage ditches are filled with broken stones, permeable geotextile is laid on the top faces, filter screens are arranged at the head ends, the filter screens are arranged at the tail ends of the spiral drainage ditches, and the inlet end and the outlet end of the integrated pump station are connected with the water storage well, the drip irrigation branch pipes and the nozzles respectively. According to the arid region roundabout spiral water storage and drainage structure and the construction method thereof, the problem of road surface water accumulation after seasonal heavy rainfall can be prevented, and secondary utilization of rainfall can be realized.

The invention discloses a flat sheet membrane supporting screen plate capable of forming a water outlet and circulation channel after being spliced. A membrane element supporting plate comprises peripheral edge strips and a flow guide plate positioned in the edge strips; a plurality of first lugs are arranged at the edge strips of the membrane element supporting plate; a plurality of water outletpipes are arranged on the first lugs; the height directions of the water outlet pipes are perpendicular to the plate surface of the membrane element supporting plate; a plurality of water outlet holesare formed in the side walls of the water outlet pipes; a plurality of main water catchment openings for communicating the two sides of the flow guide plate with the water outlet holes are formed inthe edge strips; the membrane element supporting plate is a square plate, and sealing plates are arranged at two side strips of the square plate; the sealing plates are thicker than the membrane element supporting plate and are as high as the water outlet pipe; and two side surfaces of each sealing plate and two ends of the water outlet pipe are respectively positioned on the same plane; and the flow guide plate is a screen plate. A water outlet channel and a circulation channel can be achieved after the membranes are pressed. The flow guide plate is changed into a screen plate structure, so that the cost is effectively reduced, and the water catchment flux of the membrane is increased.

The invention relates to a ground mat. The ground mat comprises a foaming body layer, a first polyester fiber layer, a second polyester fiber layer and a resin layer which are sequentially arranged from the bottom layer to the surface layer; the resin layer is provided with a water flowing channel; the first polyester fiber layer and the second polyester fiber layer adopt a warp and weft interweaving structure; and the foaming body layer is a porous structure layer. The ground mat has comfortable touch, excellent water absorption and water storage capacity and excellent use performance, and is not prone to deformation after long-time use; in addition, after being optimized, the ground mat further has the excellent properties of being fixed, anti-skidding, convenient to store, good in rebound resilience and large in water storage space.

The invention discloses a mineral water bottle which comprises a bottle body, a bottle top and a bottle mouth, a bottle bottom is arranged at the bottom end of the bottle body, and an arc edge is formed on the side wall of the periphery of the bottle bottom. The mineral water bottle has the beneficial effects that through the design of the bottle mouth which forms the 49-degree angle with the bottle body, a user can drink water without raising the head when drinking water, so that the drinking comfort of the user is improved, and the defect that the user is choked due to the fact that the drinking speed is too high when the user raises the head to drink water is effectively avoided. The inclined opening design of the mountain spring water bottle improves the humanized use function, is particularly suitable for the drinking mode of children and old people, and improves the drinking efficiency. Through the design of the bottle top of the spherical structure, the water storage space in the bottle body is effectively increased, the using requirement of the bottle body can be met on the premise that manufacturing materials are not consumed too much, and the manufacturing cost of the bottle body is saved. Through the design of an external thread, an internal thread, a bottle plug, a ring gasket and a sealing ring groove, double sealing of the bottle cap and the bottle mouth is achieved, leakage of water in the bottle body can be avoided under the condition that the bottle cap is not completely screwed, and the practicability of the bottle body is improved.

The invention discloses a structure of a rainwater collection system. The structure is composed of a rainwater collection module, a rainwater filtering system and a clean water reservoir system. The rainwater collection module and the rainwater filtering system are connected through a rainwater conveying pipeline. The rainwater filtering system and the clean water reservoir system are communicated from the bottoms of the two systems. The rainwater filtering system is provided with a water permeable ball and a water permeable plate for filtering collected rainwater. A water storage module is arranged inside the clean water reservoir system. The water storage module is used for storing purified water.

The invention relates to the technical field of water treatment, particularly to an air floatation tank for wastewater treatment. The wastewater treatment air floatation tank comprises a tank body, a water outlet tank, a reflux pipeline and a water outlet elbow pipe, wherein the tank body is communicated with the water outlet tank through the reflux pipeline, the outlet end of the water outlet bent pipe is communicated with the water outlet of the water outlet tank, the inlet end of the reflux pipeline is communicated with the water outlet tank, and the setting height of the inlet end of the reflux pipeline is lower than that of the inlet end of the water outlet bent pipe. According to the invention, the arrangement height of the inlet end of the reflux pipeline is lower than the arrangement height of the inlet end of the water outlet bent pipe, so that water in the water outlet tank cannot be completely discharged, equivalently, a water storage space is specially added for the water return pipeline, and the aeration effect of the releaser is prevented from being influenced by insufficient water.

The invention provides a hydraulic cleaner and a micro-fog dust suppression device. The hydraulic cleaner comprises a washing mechanism and a walking mechanism. The washing mechanism comprises an installation frame, a water tank, a washing pipe, two pressurization wheels, two sealing sliding pieces and at least one shield piece. The washing pipe is provided with a water inlet and a water outlet. The water inlet and the water outlet communicate. The sealing sliding pieces are slidably arranged in the washing pipe. The pressurization wheels are in driving connection with the sealing sliding pieces. The pressurization wheels slide relative to the washing pipe when rotates, and therefore sealing pieces are close to each other, water is squirted from the water outlet, and water squirting operation is achieved. The shield pieces block the water outlet, so that water leakage is prevented when utilization is not required. Water being squirted from the water outlet is achieved by pushing the hydraulic cleaner, operation is convenient, energy is saved, and environment protection is accomplished.

A deep applicator for smashing straws which is connected at the back of a tractor comprises a frame, a ground wheel, a hydraulic motor, a straw pressing device, a hopper, a spiral thrustor, a straw guiding cylinder and a rat runway opener, wherein the frame is connected with a here-point suspension gear via a suspension hanger, the ground wheel is connected with the frame by a ground wheel shaft bracket, the hydraulic motor is fixed on the frame by a shaft end bracket, the input port of the hydraulic motor is connected with the hydraulic power output port of the tractor by a hydraulic controlsystem, the straw pressing device is fixed on the frame, the hopper is connected with the frame by a supporting bracket, the outlet at the lower end of the hopper is connected with the inlet of the straw pressing device, the spiral thrustor is mounted inside the straw pressing device via a bearing seat, the output shaft of the hydraulic motor is connected with the input shaft of the spiral thrustor by a coupler, the straw guiding cylinder is a hollow cylinder, the inlet of the straw guiding cylinder is connected with outlet of the straw pressing device, the rat runway opener is connected withthe lower end of the straw guiding cylinder, is hollow inside and is provided with an opening at the bottom end.

The invention relates to the technical field of water treatment, particularly to an efficient air floatation tank for wastewater treatment. The efficient air floatation tank for wastewater treatment comprises a tank body, a water outlet tank and a reflux pipeline, wherein the water outlet tank comprises a high-water-level tank body and a low-water-level tank body, the tank body is communicated with the high-water-level tank body through an overflow port, the high-water-level tank body is communicated with the low-water-level tank body through an overflow port, and the tank body is also communicated with the high-water-level tank body through the reflux pipeline. According to the invention, the water outlet tank is divided into the high-water-level tank body and the low-water-level tank body, the high-water-level tank body provides required water for the reflux pipeline, and the low-water-level tank body is used for draining water, so that equivalently a water storage space is specially added for a water return pipeline, and the aeration effect of the releaser is prevented from being influenced by insufficient water.

The invention discloses a waterproof system of an urban tunnel structure, and belongs to the field of urban underground passages. A waterproof system of an urban tunnel structure comprises a water storage tank, the water storage tank is formed in a roadbed provided with an underground channel, water guiding grooves are formed in the two sides of the underground channel and communicate with the water storage tank through water through holes, a first water suction pump is fixedly connected into the water storage tank, and a second water suction pump is fixedly connected into the first water suction pump. The water pumping end of the first water pump is connected with a water pumping pipe, the water pumping pipe is located in the water storage tank, and the water outlet end of the first water pump is connected with a water outlet pipe; accumulated water above the lifting plate is pumped out through the first water pump by means of the water pumping pipe and then conveyed into a sewer line of a city through the water outlet pipe, water accumulation is avoided, when the water accumulation amount is too large, the lifting plate presses the gas storage bag downwards, the gas release valve is instantly opened, the gas storage bag becomes flat, at the moment, the lifting plate rapidly moves downwards, the water storage space is increased, and the water storage effect is improved. The safety is ensured.