32results about How to "Realize collection and reuse" patented technology

The invention discloses a high-temperature-resistant filtering material with ultra-clean filtering and low-temperature catalytic denitration functions, and a preparation method thereof. The filtering material successively comprises, from a dust-facing surface, an island-type or fragment-type extremely superfine fiber layer, a superfine fiber layer, a PTFE sewing-thread base-cloth layer, a fine-denier fiber layer, a high-temperature-resistant adhesive layer and a catalyst coating. The high-temperature-resistant filtering material provided by the invention has the excellent characteristics of a large specific surface area, high porosity and the like, can realize ultralow dust discharge and has superhigh filtration accuracy and good filtering effect; a catalyst is uniform in distribution, firm in loading, high in catalysis efficiency, good in anti-sulfur effect and long in service life; the preparation method for the filtering material is simple in process and easy for realization of industrialization; the catalyst is not prone to poisoning and long in service life; and the high-temperature-resistant filtering material is applicable to flue gas filtering under complex conditions like high working temperature, great dust content and high requirements on filtration accuracy, and can realize low-temperature denitration of nitrogen oxides in flue gas without extra heating while realizing high-precision filtering.

The invention discloses a water supply system for construction sites. The water supply system comprises two sets of water supply devices, one set is an engineering water supply device, and the other set is a life water supply device; the engineering water supply device comprises a large water storage barrel, feedwater of the large water storage barrel comes from a drain pipe of a basement water-collecting well, the large water storage barrel is provided with three ways of output, one way is connected with a fire-water pond, another way is connected with a spraying device, and the other way is connected with a cleaning chamber; the life water supply device comprises a small water storage barrel which is provided with two-way feedwater, one way comprises a water pipe, the other way comes from an automatic water suction pump in a water-collecting pit, the small water storage barrel is provided with two ways of output, one way is connected with a toilet, a bathroom and a washing trough, and the other way is connected with a sewer. By the water supply system, water consumption of construction engineering projects is lowered, waste of water resources is reduced, and effect of green construction with cost decreasing and benefit increasing is achieved; collecting and recycling of project and domestic water, basement catchment and rainwater can be realized, so that cost can be saved and economic performance can be improved on the basis of meeting requirements of normal production and construction of projects.

The invention relates to the technical field of garden sprinkler irrigation equipment, and discloses an energy-saving and emission-reducing garden watering device. The watering device comprises a storage tank, the storage tank is arranged on the ground, water collecting tanks are arranged at both sides of the storage tank on the ground, partition plates are fixedly mounted inside the storage tankand the water collecting tanks, a movable door located above the storage tank is fixedly mounted on the tops of the partition plates, bearing plates are fixedly mounted at the bottoms of the inner cavities of the partition plates, and two sets of symmetrical limiting devices are fixedly mounted on the side walls of the partition plates. According to the watering device, the whole device can be conveniently pulled to the ground surface for sprinkling irrigation through the lifting action of the limiting devices, after the sprinkling irrigation is finished, the device can be conveniently placedin the storage tank and then blocked by the movable door, rusting or blocking of water outlets of a main nozzle and auxiliary nozzles due to the fact that the auxiliary nozzles and the main nozzle areplaced in the air for a long time is prevented, convenience of device installation is improved, and the service life of the device is prolonged.

The invention relates to a water permeable, water storage and drainage sidewalk pavement structure which comprises a road base layer and further comprises a water permeable layer and drainage ditch bodies, the water permeable layer and the drainage ditch bodies are arranged on the road base layer, the drainage ditch bodies are located on the two sides of the water permeable layer, a hollow guide plate is arranged in the water permeable layer, and a water inlet hole and a water outlet pipe are arranged on the guide plate. The water inlet hole is formed in one side, deviating from the road base layer, of the flow guide plate; a water storage tank is arranged in the road base layer, the drainage ditch bodies are connected with the water storage tank through connecting pipes, a mounting layer is further arranged on the road base layer, a mounting groove is formed in the mounting layer, a water pumping device is arranged in the mounting groove, and the water pumping device comprises a water pump, a water inlet pipe and a water outlet hose; the water pump is set in the mounting groove, one end of the water inlet pipe is connected to the water pump, the other end of the water inlet pipe penetrates through the mounting layer and the road base layer and is inserted into the water storage tank, and one end of the water outlet hose is connected to the water pump. The problem that water resources are wasted due to the fact that rainwater is not recycled is solved.

The invention provides a vegetation recovery system which comprises an exposed hillside with a certain slope or level sandy land, a water cellar arranged in a high position of the hillside or a level position higher than the sandy land, vegetation planting units laid along a sloping surface of the hillside or the sandy land lower than the water cellar, a main flow pipe and branch pipes; the vegetation planting units comprise square plastic frames, crossed four-way pipes located in the centers of the plastic frames and provided with openings on the top surfaces, and cotton yarns located at the openings of the top surfaces of the four-way pipes and extending to the side edges of the plastic frames; the four-way pipes in the centers of the adjacent vegetation planting units are mutually connected via the branch pipes; one end of the main flow pipe is connected with a water outlet at the bottom of the water cellar; and the other end of the main flow pipe is connected with the branch pipe in any vegetation planting unit.The vegetation recovery system employs the vegetation planting units in special structures, is convenient to construct and low in maintenance cost, and does not require manual sprinkling and watering, a plant survival rate is high, and after plants grow, roots of the plants can penetrate into rock or the earth surface and can exert a good water holding and soil fixation effect.The invention further provides a method for vegetation recovery of the hillside or the sandy land exposing the rock with the vegetation recovery system.

The invention discloses an automatic plastering device for housing construction. The automatic plastering device comprises a fixing base and a plastering frame. Two limiting polished rods are symmetrically and vertically fixed to the two sides of the top of the fixing base; a top frame is horizontally fixed between the tops of the two limiting polished rods; a driving lead screw is further rotationally arranged at the position, located between the two limiting polished rods, of the fixing base; the plastering frame is arranged on the two limiting polished rods in a sliding mode; and the plastering frame is spirally connected with the driving lead screw in a sleeving mode. According to the plastering device, when the driving lead screw rotates to drive the plastering frame to ascend for movable plastering, the driving lead screw is matched with a spiral bevel gear to drive a transmission gear to rotate, the transmission gear is matched with a transmission chain to drive a spiral feedingrod to rotate; and fallen cement mortar is collected and conveyed into a material collecting groove through a material receiving side plate and then conveyed through the spiral feeding rod, so that the collection and recycling of the fallen cement mortar is achieved, workers do not need to clean the cement mortar manually, the working efficiency is improved, and the working intensity is relieved.

The invention discloses an auxiliary device for tunnel damage treatment construction. The auxiliary device comprises a walking vehicle head, a walking rear seat, a damage treatment frame, a hydrauliccylinder and a water storage tank, the walking rear seat is welded to one side of the walking vehicle head, the storage water tank is installed at the end, close to the walking vehicle head, of the upper side of the walking rear seat, the damage treatment frame is installed in the middle of the upper side of the walking rear seat, one side of the damage treatment frame is provided with a construction operation port, a front walking wheel is installed at the lower side of the walking vehicle head, a rear walking wheel is installed at the lower side of the walking rear seat, and one side of theupper end of the water storage tank is provided with a water injection port. According to the auxiliary device for the tunnel damage treatment construction, by installing the damage treatment frame atthe upper side of a support base, a working platform used for tunnel damage treatment can quickly and efficiently achieve the detection and maintenance of a tunnel, the height of a construction operation platform of the damage treatment frame is adjusted conveniently, and maintenance and treatment are conducted at different positions of the section of the tunnel.

The invention relates to a dental implant operation bone meal collector that is provided with a control valve and is capable of separating a channel used for collecting bone meal crumbs and a channel used for absorbing liquid, including saliva and blood, etc. The invention comprises an absorption rod, the control valve, a vessel body, a filter screen, a connection nozzle and a pipe, wherein, the absorption rod, the control valve, the vessel body, the filter screen and the connection nozzle are installed and connected in sequence, a bone meal collecting chamber is arranged in the vessel body, the filter screen is fixedly installed in the bone meal collecting chamber, the control valve is provided with a main channel and a sub-channel, the absorption rod, the main channel of the control valve, the vessel body and the connection nozzle are communicated in sequence to form a bone meal collecting channel and the absorption rod, the sub-channel of the control valve, the pipe and the connection nozzle are communicated in sequence to form a liquid absorbing channel. Therefore, clean bone meal crumbs mixture can be collected for further use.

The invention relates to the technical field of mold shell precision casting production, in particular to a mold shell cleaning system. The mold shell cleaning system comprises a cleaning chamber, a cleaning solution containing mechanism and a drainage spraying mechanism, wherein a confluence chamber is formed at the lower part of the cleaning chamber, and communicates with the cleaning chamber, the bottom end of the confluence chamber is a confluence opening, and a cleaning frame used for containing a mold shell is arranged in the cleaning chamber; a cleaning solution containing chamber is formed in the hollow interior of the cleaning solution containing mechanism, the upper end of the cleaning solution containing mechanism is connected with the confluence opening, and the cleaning solution containing chamber communicates with the confluence chamber through the confluence opening; and the drainage spraying mechanism comprises a solution pumping mechanism arranged at the bottom end ofthe cleaning solution containing mechanism, one end of the solution pumping mechanism communicates with the cleaning solution containing chamber, the other end of the solution pumping mechanism is connected with the lower end of a drainage pipeline, the upper end of the drainage pipeline is connected with a spraying head, the spraying head is arranged above the cleaning chamber, and can spray a cleaning solution into the cleaning chamber.

The invention relates to a remote self-powered traffic flow automatic detection device, system and method. The device comprises a load transfer module, a signal generating module, a signal processing module and an energy storage module. The load transfer module transfers a road vehicle axle load signal to the signal generating module. The signal generating module converts the road vehicle axle load signal into an AC signal. The signal processing module processes the AC signal to obtain a traffic flow signal. The energy storage module converts the AC signal, stores the AC signal in the form of electrical energy, and supplies power to the signal processing module. The signal generating module of the invention directly converts the vehicle axle load signal into the AC signal, calculates the traffic flow signal through the AC signal, avoids the interference of surrounding environmental factors on measurement data, and greatly improves measurement accuracy. The AC signal can be stored directly in the energy storage module after being processed to power the signal processing module to achieve self-powering of the detection device.

The invention discloses an auxiliary device for tunnel damage treatment construction. The auxiliary device comprises a walking vehicle head, a walking rear seat, a damage treatment frame, a hydrauliccylinder and a water storage tank, the walking rear seat is welded to one side of the walking vehicle head, the storage water tank is installed at the end, close to the walking vehicle head, of the upper side of the walking rear seat, the damage treatment frame is installed in the middle of the upper side of the walking rear seat, one side of the damage treatment frame is provided with a construction operation port, a front walking wheel is installed at the lower side of the walking vehicle head, a rear walking wheel is installed at the lower side of the walking rear seat, and one side of theupper end of the water storage tank is provided with a water injection port. According to the auxiliary device for the tunnel damage treatment construction, by installing the damage treatment frame atthe upper side of a support base, a working platform used for tunnel damage treatment can quickly and efficiently achieve the detection and maintenance of a tunnel, the height of a construction operation platform of the damage treatment frame is adjusted conveniently, and maintenance and treatment are conducted at different positions of the section of the tunnel.

The invention relates to the technical field of powder pressing forming equipment, in particular to a powder press capable of cleaning residual powder. The powder press comprises a lower pressing part arranged on a base, wherein an upper pressing part is correspondingly arranged above the lower pressing part, and the lower pressing part and the upper pressing part are matched to form a powder pressing forming structure; the base is provided with a cleaning device comprising a brush, when the lower pressing part is separated from the upper pressing part, the cleaning device can drive the brush to sweep and clean up residual powder along the pressing surface of the lower pressing part, the brush comprises a cleaning part brush and a vibrating part brush, and the vibrating part brush is driven by a vertical vibrating power device to vibrate up and down so as to disperse residual powder blocks. According to the powder press, bonded and briquetting powder can be dispersed, and the residual powder cleaning work of the powder press is completed in combination with brush cleaning.

The invention relates to the related field of chip heat dissipation, and discloses a chip heat dissipation silicone grease smearing and thinning device which comprises a main body box. A wire wheel cavity is formed in the main body box, and a silicone grease storage cavity is formed in the main body box; the lower side of the silicone grease storage cavity is communicated with a trapezoidal groove, and the lower side of the trapezoidal groove is communicated with a connecting cavity; the lower side of the connecting cavity is communicated with a smearing block cavity with a downward opening; and an abut-against cavity located above the smearing block cavity and communicated with the connecting cavity is formed in the main body box. According to the device, chip heat dissipation silicone grease can be thinned after being evenly smeared, so that the smeared silicone grease is more uniform, the thickness is smaller, a better heat dissipation effect is achieved, in the silicone grease smearing process, only when the device abuts against the upper end face of a chip, the silicone grease can leave the device to be smeared, and excessive smearing of the silicone grease is avoided; and meanwhile, the device can continuously collect the silicone grease accumulated on the device in the silicone grease thinning process, and collection and recycling of the redundant silicone grease are achieved.

The invention discloses a road green belt construction device and a use method, and relates to the technical field of urban road construction equipment. The road green belt construction device comprises a lifting device, a cutting device, a folding device and a burying device; the cutting device is movably inserted in the left side of the lifting device, the top of the cutting device is fixedly provided with the folding device, and the burying device is movably connected to the right side of the bottom of the cutting device through a ventilation hose. The road green belt construction device and the use method have the advantages that through a horn shell, a dust falling spray pipe, an earth-breaking cone head and a discharging hopper, the collection and re-utilization of plant debris generated by cutting and leveling green belt vegetation are achieved, and the problem that the road environment and the driving safety are influenced when the plant debris and dust retained on the surfaceof the vegetation are scattered along with airflow around cutting blades during cutting is avoided; switching of two cutting and leveling modes for the top surface and side surface of the green belt vegetation is achieved through a hydraulic telescopic rod, and the applicability is further improved.

The invention discloses a rainwater collection device for a municipal garden based on a rainwater recycling technology. The rainwater collection device comprises an adjusting lake, wherein a drainageslope sleeves the edge of the top end of the adjusting lake; a plane slope sleeves the outer side of the drainage slope; a slope lawn is arranged on the drainage slope; a garden green plant zone is arranged on the plane slope; a road body is arranged on one side of the plane slope; a water collection device is embedded into the road body; a plurality of watering disc mechanisms are uniformly arranged above a water supply pipe; water in the adjusting lake is pumped through an irrigation pump, so that lake water is injected into the water supply pipe through a first water pipe, and then is injected into the watering disc mechanisms through vertical pipes; finally, the slope lawn and rhizomes of the garden green plant zone are directly irrigated through the watering disc mechanisms, so that the collection and recycling of rainwater are realized; waterlogging caused by heavy rain can be adjusted and a city is prevented from being submerged by the rainwater; and urban garden vegetation is irrigated by utilizing the rainwater, so that the consumption of a water source can be effectively reduced, rainwater resources are sufficiently utilized and the pressure of water source shortage is alleviated.

The invention discloses a machine tool chip rolling device for machining. The machine tool chip rolling device comprises a chip rolling assembly and a barrel body, wherein the chip rolling assembly is used for transporting and rolling chip wires and the like generated by machining parts on a machine tool; a first cavity is formed in the barrel body; and the barrel body is used for collecting and secondarily machining the chip wires transported by the chip rolling assembly and is connected with the chip rolling assembly through a discharge port formed in the chip rolling assembly. According to the machine tool chip rolling device, through cooperative work of a rotary barrel, a driving component and a plurality of through holes formed in the rotary barrel, when the chip wires reach the interior of the rotary barrel from the chip rolling assembly, the rotary barrel rotating at a high speed drives the chip wires to rotate, residual cooling liquid on the chip wires falls onto the inner side wall of the barrel body through the through holes under the action of centrifugal force, is collected on a water tank under the action of a scraper and then flows out through a water outlet, so that the residual cooling liquid on the chip wires is collected and reused, unnecessary resource waste is guaranteed, and the cost is reduced.

The invention discloses a sampling system for tungsten hexafluoride metal element analysis and a using method thereof. The sampling system comprises a tungsten hexafluoride container, a high-purity gas source, a sampling device, a vacuum device, a valve and a pipeline, and is characterized in that a collecting device is arranged between the sampling device and the vacuum device. The use method ofthe sampling system comprises the following steps: (1) evacuating the collecting device; (2) replacing and evacuating a sampling device; (3) sampling tungsten hexafluoride; and (4) recovering tungstenhexafluoride. Residues in the sampling device are samples for analyzing tungsten hexafluoride metal elements. Tungsten hexafluoride in the pipeline and the sampling device of the sampling system volatilizes to the collecting device through negative pressure, the system has no dead angle, the sampling pipeline and the sampling device are provided with heating devices, and volatilization and collection are complete and thorough.

The invention discloses an environment-friendly and energy-saving building water supply and drainage system, and relates to the field of water supply and drainage systems. The water supply and drainage system includes a water collecting tank and a plurality of water collecting pipes communicating with the side wall of the water collecting tank. The plurality of water collecting pipes are used forcollecting washing water, kitchen water and laundry water correspondingly. The water collecting tank is provided with a stirring mechanism, the side wall of the water collecting tank is connected witha drainage pipe, the drainage pipe communicates with a toilet bowl, and the drainage pipe is provided with a switch portion for controlling opening and closing of the drainage pipe. The environment-friendly and energy-saving building water supply and drainage system has the advantages and beneficial effects that the water collecting tank is arranged to collect washing water, kitchen water and laundry water, waste water in the water collecting tank is used for flushing the toilet bowl, waste water is collected and reused, and therefore the effect of reducing water resource waste is achieved.

The invention discloses a halogen lamp waste heat collection system based on thermoelectric power generation. The halogen lamp waste heat collection system comprises a halogen lamp, a base, a plurality of thermoelectric power generation pieces, a plurality of heat dissipation pieces, a DC / DC voltage stabilizing device and an electric energy storage device. The halogen lamp is fixed to the base. The heat dissipation pieces are the same as the thermoelectric power generation pieces in number. The surfaces of the heat dissipation pieces are attached to the cold faces of the thermoelectric power generation pieces. The heat dissipation pieces are distributed around the halogen lamp in a horn shape. The thermoelectric power generation pieces are connected in series and then output electric energy to the DC / DC voltage stabilizing device, and the output end of the DC / DC voltage stabilizing device is connected with the electric energy storage device. According to the halogen lamp waste heat collection system based on thermoelectric power generation, through unique structural design, thermal energy-electric energy-chemical energy conversion is achieved, and finally, heating of the halogen lamp is converted into the electric energy to be stored. The halogen lamp waste heat collection system has the advantage of being stable in power generation, simple in structure, low in cost and the like, valuable resource collection and reusing are achieved, the utilization efficiency of energy is improved, and the halogen lamp waste heat collection system has huge social benefits and economical benefits.

The invention aims to solve the problem of wind power generation, and discloses a control device for improving the power generation efficiency of a wind driven generator. The control device comprises a clamping pipe, a first connecting frame and a second connecting frame, the clamping pipe is provided with a first fastening screw, the right side of the clamping pipe is fixedly provided with a connecting plate, =the right side surface of the connecting plate is fixedly provided with a fan, a first connecting cover is installed on the upper side of the fan, a first clamping plate is fixedly connected to the left end of the first connecting frame, a second ventilation pipe is fixedly connected to the right end of the first connecting frame, second connecting pipes are evenly connected to the left side of the surface of the second ventilation pipe, second air guide pipes are fixedly installed at the outer ends of the second connecting pipes, the left ends of the second air guide pipes are fixedly connected with second universal pipes, and the right ends of the second air guide pipes are fixedly connected with third connecting covers. By reasonably adjusting first universal pipes and the second universal pipes, the wind power acting point of the wind driven generator can be conveniently adjusted and controlled, and therefore the power generation effect of the wind driven generator is improved.

The invention discloses a high-temperature-resistant filtering material with ultra-clean filtering and low-temperature catalytic denitration functions, and a preparation method thereof. The filtering material successively comprises, from a dust-facing surface, an island-type or fragment-type extremely superfine fiber layer, a superfine fiber layer, a PTFE sewing-thread base-cloth layer, a fine-denier fiber layer, a high-temperature-resistant adhesive layer and a catalyst coating. The high-temperature-resistant filtering material provided by the invention has the excellent characteristics of a large specific surface area, high porosity and the like, can realize ultralow dust discharge and has superhigh filtration accuracy and good filtering effect; a catalyst is uniform in distribution, firm in loading, high in catalysis efficiency, good in anti-sulfur effect and long in service life; the preparation method for the filtering material is simple in process and easy for realization of industrialization; the catalyst is not prone to poisoning and long in service life; and the high-temperature-resistant filtering material is applicable to flue gas filtering under complex conditions like high working temperature, great dust content and high requirements on filtration accuracy, and can realize low-temperature denitration of nitrogen oxides in flue gas without extra heating while realizing high-precision filtering.

The invention relates to an equipment drying and cleaning device. The equipment drying and cleaning device comprises a cleaning frame, a supporting plate, a vibrating device and an ultrasonic device. The cleaning frame is arranged at the upper end of the vibrating device. The supporting plate is arranged at the upper end of the cleaning frame. A fixing frame is arranged at the upper end of the supporting plate. The ultrasonic device is arranged above the fixing frame. The supporting plate is provided with a plurality of through holes for falling of coal cinder. A material collecting trough is arranged in the cleaning frame and located at the lower end of the supporting plate. A storage box storing the coal cinder is arranged on one side of the cleaning frame, one end of the material collecting trough is connected with the lower end of the supporting plate, and the other end of the material collecting trough is obliquely downward to be connected with the upper end of the storage box. Compared with the prior art, operation is convenient, water pollution is not generated, and the coal cinder is removed thoroughly and can be effectively collected.

The invention provides an ecological toilet row structure which comprises a ventilation system, a filter system, a storage system, a control system and a plurality of bedpan systems, flushing water flowing out of the bedpan systems flows into the filter system, excrement and urine in the bedpan systems respectively enter the storage system, and the control system is in signal connection with the ventilation system and the bedpan systems. According to the ecological toilet row structure, a row courtyard-type building is redesigned based on the ecological toilet, and then differentiated storageand treatment of excrement, urine, flushing water and toilet articles from the source are achieved; the source separation of excrement and urine and the separation of urine and flushing water are achieved, the purpose of wastewater discharge reduction is achieved to the maximum extent, subsequent excrement and wastewater treatment loads are effectively reduced, and the ecological toilet row structure is free of secondary pollution, odorless, good in sanitary condition and wide in application range.

The invention relates to a dental implant operation bone meal collector that is provided with a control valve and is capable of separating a channel used for collecting bone meal crumbs and a channel used for absorbing liquid, including saliva and blood, etc. The invention comprises an absorption rod, the control valve, a vessel body, a filter screen, a connection nozzle and a pipe, wherein, the absorption rod, the control valve, the vessel body, the filter screen and the connection nozzle are installed and connected in sequence, a bone meal collecting chamber is arranged in the vessel body, the filter screen is fixedly installed in the bone meal collecting chamber, the control valve is provided with a main channel and a sub-channel, the absorption rod, the main channel of the control valve, the vessel body and the connection nozzle are communicated in sequence to form a bone meal collecting channel and the absorption rod, the sub-channel of the control valve, the pipe and the connection nozzle are communicated in sequence to form a liquid absorbing channel. Therefore, clean bone meal crumbs mixture can be collected for further use.

The invention discloses a soap flow-back and solidification device. The soap flow-back and solidification device consists of a soap box, flow-back holes, a collection tank, a heating device, evaporation holes and a plug, and is characterized in that: the soap box is arranged on the collection tank which is arranged on the heating device; the heating device is connected with the plug by a guide line; flow-back holes are reserved on the interlayer of the soap box; and the evaporation holes are formed around the collection tank. The used soap is placed in the soap box, and soapy water flows into the collection tank through the flow-back holes; moisture is evaporated through the evaporation holes under the action of the heating device, and the solidified soap can be taken out by opening the collection tank and can be recycled; and therefore, the soap can be collected and recycled.

The invention discloses a green building structure capable of reducing carbon emission. The green building structure comprises a house building body, wherein a protective edge is fixedly mounted at the edge of the roof of the house building body, a green building structure body is fixedly mounted in the center of the roof of the house building body, and the green building structure body is composed of a green building main body and a watering structure. According to the green building structure capable of reducing the carbon emission, sliding planting structures and planting boxes I are arranged in a stepped mode, so that blocking between plants of different heights is reduced, the ornamental value of the plants is obtained, the two sliding planting structures of the same height move front and back, similarly, the upper and lower adjacent sliding planting structures are also staggered so as to form a walking channel, in the staggered placement mode, the plants are prevented from being overlapped, staggered and shielded together, viewers can make closer contact with the plants, and the ornamental effect is good.

The invention discloses a high-speed oil removal device comprising a water inlet chamber and a plurality of air-floating chambers arranged sequentially along the sewage flowing direction; one side, away from the air-floating chambers, of the water inlet chamber is connected with a water inlet pipe, and each air-floating chamber is internally provided with a diversion groove and a dissolved gas releaser arranged in the corresponding diversion groove; the water inlet chamber communicates with the air-floating chambers through a water inlet, and the diversion groove arranged in the air-floating chamber close to the water inlet chamber is arranged at the water inlet and communicates with the water inlet; each adjacent air-floating chambers are connected through a water passing pore passage, and the diversion grooves arranged in the adjacent air-floating chambers communicate with the water passing pore passages. The invention also discloses a rapid and high-efficiency oil removal air-floating filter tank, wherein a high-speed oil removal zone, a coagulation zone, a flocculation zone, an air-floating zone and a filtration zone are arranged in turn along the sewage flowing direction. Thehigh-speed oil removal zone includes the high-speed oil removal device, and the filter zone is connected with a water outlet pipe. The advantages comprise that oil in sewage can be removed with high efficiency, a part of oil slick can be collected and reused, and ss suspended matters in the sewage can be separated and filtered.

The invention discloses a high-density polyethylene oil-water separation material and a preparation method thereof. The method comprises the following steps: with polyethylene oxide and high-density polyethylene as raw materials, performing melt extrusion with an extruder, and coiling and collecting with a coiling machine; leaching the collected sample with deionized water to remove the polyethylene oxide; and performing freeze drying treatment with a refrigerator and a freeze dryer to obtain the high-density polyethylene oil-water separation material. The method has the advantages of simple technology, short time, no chemicals or consequent environmental pollution and low cost. The high-density polyethylene oil-water separation material prepared by the method comprises a structure of high-density polyethylene continuous filament, and the structure has pores with diameter of several microns to over ten microns, shows a porous oriented fiber-like structure and realizes a relatively good adsorption effect on oil and organic reagent; and the sample has continuous length, is soft and can be woven into large-area oil-water separation fabric, thereby providing an effective solution for controlling the offshore oil leakage and purifying domestic sewage.

The invention relates to the technical field of garden sprinkler irrigation equipment, and discloses an energy-saving and emission-reducing garden watering device. The watering device comprises a storage tank, the storage tank is arranged on the ground, water collecting tanks are arranged at both sides of the storage tank on the ground, partition plates are fixedly mounted inside the storage tankand the water collecting tanks, a movable door located above the storage tank is fixedly mounted on the tops of the partition plates, bearing plates are fixedly mounted at the bottoms of the inner cavities of the partition plates, and two sets of symmetrical limiting devices are fixedly mounted on the side walls of the partition plates. According to the watering device, the whole device can be conveniently pulled to the ground surface for sprinkling irrigation through the lifting action of the limiting devices, after the sprinkling irrigation is finished, the device can be conveniently placedin the storage tank and then blocked by the movable door, rusting or blocking of water outlets of a main nozzle and auxiliary nozzles due to the fact that the auxiliary nozzles and the main nozzle areplaced in the air for a long time is prevented, convenience of device installation is improved, and the service life of the device is prolonged.