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479 results about "Water reclamation" patented technology

Water reclamation is a process by which wastewater from homes and businesses is cleaned using biological and chemical treatment so that the water can be returned to the environment safely to augment the natural systems from which it came. It is used today as both an aquifer and stream enhancement strategy.

Control method and equipment of reverse osmosis water purification system

The invention relates to the technical field of water resource purification, in particular to a control method and equipment of a reverse osmosis water purification system.The control method comprises the steps that firstly, on the fluctuation dimension of the pre-membrane pressure, the adjusting requirement of the frequency of a high-pressure pump is preliminarily determined on the dimension of the pre-membrane pressure according to an obtained pressure fluctuation index; determining a membrane resistance increase factor representing the pollution state of the reverse osmosis membrane on the basis of the transmembrane pressure difference on the dimension of separation function failure of the reverse osmosis membrane; finally, a membrane separation abnormal value is comprehensively represented by combining a pressure fluctuation index and a membrane resistance increase factor, and a purified water recovery rate is introduced to a membrane separation result end, so that the finally obtained frequency reduction demand degree is more accurate, and the control effect of the reverse osmosis water purification system is improved; therefore, the stable, efficient and sustainable operation of the reverse osmosis water purification system can be ensured while the membrane surface pollutant deposition driving force can be effectively reduced and the membrane pollution speed can be slowed down.
Owner:TANGSHAN SHANCHENG TECH CO LTD

Rainwater and wastewater recycling system for construction site

The invention provides a rainwater and wastewater recycling system for a construction site, and relates to the technical field of rainwater collection, the rainwater and wastewater recycling system comprises an underground water well, a water collecting tank is arranged at the upper end of the underground water well, a center shaft is installed at the circle center of the underground water well, and the water collecting tank is rotatably installed on the surface of the center shaft through a bearing; an unfolding assembly is arranged at the top of the water collecting tank, the water spraying rods can be unfolded and folded through the unfolding assembly, in the unfolding state, the plastic cloth between the two water spraying rods can be unfolded to form an umbrella-shaped structure, and rainwater flows into the water collecting tank through the surfaces of the different plastic cloth; impurities and soil in rainwater are filtered in the space formed by the interlayers in the water collecting tank, then the rainwater is collected by the underground water well, when the water spraying rod is folded, the rainwater collected in the underground water well can serve as dust falling spraying water to be conveyed to the water spraying rod, rainwater collection and recycling are achieved, and the device is convenient to install and suitable for a construction site.
Owner:HUBEI IND CONSTR GRP

Coupling carbon reduction optimization method for water supply and drainage system of building

The invention relates to the technical field of building engineering, in particular to a coupling carbon reduction optimization method for a building water supply and drainage system. The method comprises the following steps: acquiring operation data of a building drainage system; carrying out pump station working condition abnormity analysis based on the building drainage system operation data, and generating pump station working condition abnormity data; extracting a rainwater recovery path according to the building drainage system operation data; performing rainwater recovery pipe network backflow analysis based on the rainwater recovery path to obtain pipe network backflow data; the pipe network bearing pressure is evaluated according to the pipe network backflow data; performing leakage risk assessment based on the pipe network bearing pressure to obtain a pipe network leakage risk; the pump station start-stop times are counted according to the pump station working condition abnormal data; performing water hammer effect analysis according to the start-stop times of the pump station to obtain water hammer effect data; and according to the water hammer effect data and the pipe network leakage risk, identifying a fragile pipe network to obtain fragile pipe network data. The energy efficiency and carbon emission management of the building drainage system are optimized based on the building engineering technology, and the energy-saving and carbon-reducing efficiency is improved.
Owner:POWER CHINA KUNMING ENG CORP LTD

Cleaning device and cleaning robot

The invention provides a cleaning device and a cleaning robot. The cleaning device comprises a roller assembly and a mounting frame, the roller assembly is used for washing a surface to be cleaned, the mounting frame is provided with a mounting groove, and the roller assembly is arranged in the mounting groove and rotationally connected with the mounting frame; a water recycling thin cavity is formed in one side of the mounting groove, an opening used for recycling water stains on the working face is formed in the side, close to an opening of the mounting groove, of the water recycling thin cavity, and a plurality of water drainage openings are formed in the side, away from the opening, of the water recycling thin cavity; a sewage inlet communicated with the mounting groove is further formed near the middle of the water recovery thin cavity, a water squeezing block used for squeezing the roller assembly is arranged at the sewage inlet, the water squeezing block is a water scraping strip perpendicular to the roller assembly in the radial direction, and the water squeezing block and the sewage inlet extend in the length direction of the roller assembly. Sewage carried by the roller assembly and residual water stains on the wall surface can be effectively recycled at the same time, and the wall surface cleaning effect is good.
Owner:LINGDU (GUANGDONG) INTELLIGENT TECH DEV CO LTD

Method for recycling nitrate radicals by treating high-salinity wastewater through electroactive microorganisms

The invention belongs to the technical field of sewage treatment, and particularly discloses a method for recycling nitrate radicals by treating high-salinity wastewater through electroactive microorganisms, a microbial electrolysis cell three-electrode single-chamber system is adopted, high-salinity wastewater is used for domesticating and culturing a biological membrane, and the biological membrane has a good nitrate removal effect on nitrate wastewater with the salinity of 1%-3% and can be used for recycling nitrate radicals. For nitrate wastewater with the salinity of 1%-2%, nitrogen can be partially recovered in the form of ammonia, the defect that energy consumption is high when ammonia nitrogen resources are recovered from nitrate wastewater is overcome, the high nitrate removal rate is guaranteed, and meanwhile the defect that nitrate is difficult to recover from high-salinity wastewater is overcome.
Owner:GUANGZHOU UNIVERSITY

Sea water desalination impurity pretreatment system and process

The invention relates to the technical field of sea water desalination impurity treatment, and particularly discloses a sea water desalination impurity pretreatment system and technology.The pretreatment technology comprises rough filtration, flocculating settling, filter filtration and ultrafiltration, and the flocculating settling comprises the following steps that S100, the temperature of sea water obtained after rough filtration is detected, and when the temperature is lower than a set temperature interval beneficial to a flocculation reaction, the flocculation reaction is stopped; heating the roughly filtered seawater by using waste heat recovered by evaporating the seawater; s200, conveying the heated seawater to a mixing tank, detecting the temperature of the seawater, and adding a flocculating agent according to the dosage corresponding to the temperature; s300, conveying the seawater mixed with the flocculating agent to a flocculation reaction tank; and S400, conveying the seawater subjected to the flocculation reaction to a flocculation sedimentation tank, measuring concentration data of the flocculation sedimentation tank at different depths, and correcting front-end reaction regulation and control parameters according to the measured data. According to the invention, the temperature influence is regulated in a targeted manner, and meanwhile, a dynamic feedback regulation mechanism based on the flocculating settling effect is established.
Owner:SEPCOIII ELECTRIC POWER CONSTR CO LTD

Circulating water and blow-down water recycling treatment system

The invention discloses a circulating water blow-off water reuse treatment system, and relates to the field of circulating cooling water treatment, the system comprises: an induced crystallization unit, which is used for carrying out primary treatment on circulating water blow-off water through an induced crystallization fluidized bed reactor to remove hardness ions in water; the ceramic membrane filtering unit is used for carrying out secondary treatment on the primarily treated water by utilizing a ceramic membrane device and removing residual hardness ions, organic matters and suspended matters in the water; and the nanofiltration membrane unit is used for performing tertiary treatment on the water by utilizing a nanofiltration membrane according to the secondary treatment result to remove salt and organic matters in the water. According to the method, induced crystallization, ceramic membrane and nanofiltration membrane technologies are combined to cooperatively treat the circulating water and the blow-down water, so that the operation mode of simplifying the process, reducing the energy consumption and prolonging the backwashing period is realized, the dosage of chemicals and the generation of sludge are reduced, and the water recovery rate is also improved, so that the hardness is removed, and the calcium resource recovery is realized.
Owner:BEIJING JIAOTONG UNIV

Paper mill wastewater recycling device

The invention relates to the technical field of papermaking, in particular to a paper mill wastewater recycling device which comprises a connecting base, a neutralizing tank, a settling tank and a purifying tank are sequentially arranged on the connecting base from right to left, a stirring structure is connected in the neutralizing tank, a filter screen cleaning structure is connected in the settling tank, and a filter screen cleaning structure is connected in the purifying tank. A plurality of groups of purification cotton are connected into the purification tank, water pumps are connected to the end surfaces of the neutralization tank, the sedimentation tank and the purification tank, a dosing funnel is connected to the end surface of the neutralization tank, and a sewage inlet pipe is connected to the side wall of the neutralization tank. A driving motor in the stirring structure can drive a rotating stirring blade to move up and down while rotating, drive a swinging stirring blade to swing while revolving and drive a moving stirring blade to move left and right while revolving through a transmission structure, so that the stirring efficiency is improved.
Owner:HUBEI RONGCHENG RENEWABLE TECH CO LTD

Drainage recovery control method and system for multi-source heat supply network

The embodiment of the invention provides a drainage recovery control method and system for a multi-source heat supply network. The method comprises the steps that data acquisition equipment is installed on all drainage pipelines before entering a drainage tank of the heat supply network; acquiring temperature parameters, flow parameters and conductivity parameters of each path of hydrophobic water in real time through the data acquisition equipment; and based on the temperature parameter, the flow parameter and the conductivity parameter, comprehensive state judgment of hydrophobic recovery treatment is carried out, and based on a judgment result, dynamic pollution discharge control is carried out. According to the embodiment of the invention, the blow-down valve is opened in a targeted manner through real-time acquisition and layered judgment, so that the mixed hydrophobic parameters are stabilized in a threshold range, and the problem that traditional static control cannot adapt to multi-source parameter differences is solved; and on the basis that pollution discharge is triggered only when parameters exceed the standard, qualified drained water is prevented from being discharged by mistake, and recoverable water resources and waste heat resources are reserved to the maximum extent.
Owner:XIAN THERMAL POWER RES INST CO LTD

Cleaning equipment, base station and cleaning system

The utility model provides cleaning equipment, a base station and a cleaning system. The cleaning equipment comprises a sewage box, a recovery part, a blow-off pipe and a force application unit. The sewage box is used for storing sewage; the recovery part is used for temporarily storing sewage and is provided with a sewage containing cavity and a sewage opening, and the sewage opening is communicated with the sewage containing cavity and the sewage box; the sewage discharge pipe is communicated with the sewage containing cavity and the outside; the blow-off pipe is a hose; a sewage outlet of the sewage discharge pipe is positioned at one end of the sewage discharge pipe far away from the sewage containing cavity; the force application unit is used for applying an acting force for changing the bending state of the blow-off pipe to the blow-off pipe, so that the blow-off pipe is switched between a non-blow-off state and a blow-off state; in a non-pollution-discharge state, the position height of the pollution discharge port is higher than the position height of the pollution containing cavity, so that the pollution in the pollution containing cavity is prevented from being discharged to the outside; in the sewage discharging state, the position height of the sewage discharging opening is not larger than that of the sewage containing cavity so that sewage in the sewage box can be discharged to the outside, the sewage discharging effect can be optimized through the change of the height of the sewage discharging opening, and the blocking risk is reduced.
Owner:YUNJING INTELLIGENCE TECH (DONGGUAN) CO LTD +1

Device and test method for simulating brine-sediment migration characteristics of salt cavern gas storage under action of air pressure rise and fall

The invention provides a device for simulating brine-sediment migration characteristics of a salt-cavern gas storage under the action of air pressure rise and fall and a test method. The simulation test device comprises a gas injection system, a simulation salt cavity, a gas production system, a brine discharge system, a temperature regulation and control system and a pore pressure measurement system. The gas injection system is connected with the simulated salt cavity through a gas injection pipe; the gas production system is connected with the simulated salt cavity through an exhaust pipe; the simulated salt cavity and the brine recovery device are connected through a simulated brine discharging pipe and a water discharging pipe; and the temperature regulation and control system and the pore pressure measurement system are connected with the simulated salt cavity through pipelines. The test device is reasonable in design, through an indoor simulation test, the brine and sediment migration rule under the free sinking condition, the sediment gap structure evolution rule under the self-weight compaction effect and the brine and sediment secondary migration rule under gas injection and production can be researched, and reference is provided for reasonable setting of injection and production operation parameters of the salt cavern gas storage.
Owner:LIAONING TECHNICAL UNIVERSITY

Composite filtered water treatment system for wet spunlace

The utility model discloses a composite filtering water treatment system for wet spunlace, which comprises an air flotation reaction system, a middle water tank, a sand filtering tank filtering system, a micro-nano filtering system and a clean water barrel for production, the air flotation reaction system, the middle water tank, the sand filter tank filtering system, the micro-nano filtering system and the clean water barrel for production are sequentially connected through pipelines; the air flotation reaction system is connected with a production water recovery pipeline, and the middle water tank is connected with a raw water pipeline. According to the composite filtered water treatment system for wet spunlace, the wastewater treatment efficiency is improved, zero discharge of wastewater is achieved, the environmental influence is reduced, water resources are saved, and the production cost is reduced. And meanwhile, the quality of non-woven fabric products is improved.
Owner:JIANGSU KINGSAFE HYGIENE MATERIALS TECH CO LTD

Method for recycling process water in APT (ammonium paratungstate) production process

The invention discloses a method for recycling process water in an APT (ammonium paratungstate) production process, and relates to the field of water recovery in an APT production process, and the method comprises the following steps: S1, recycling wastewater of an alkali extraction system; s2, evaporating strip liquor and recovering ammonia water; s3, chemical treatment of pure ammonium tungstate evaporation ammonia water; s4, ammonium molybdate evaporation ammonia water closed-loop utilization; and S5, recycling ammonia gas in a crystallization section. According to the method, the recovery rate of tungsten and molybdenum in the tail liquid is remarkably increased by optimizing the processes of wastewater reuse of the alkali extraction system, strip liquor evaporation, ammonia water recovery and the like; one part of the tail liquid is recycled in the pulping process, the other part of the tail liquid is subjected to evaporation treatment, zero emission of wastewater is achieved, evaporated condensate water can be recycled to be used for preparing a stripping agent, the utilization rate of water resources is further increased, the production cost is reduced, and meanwhile the environment-friendly requirement is met.
Owner:NANCHANG ZHANSHUI TECHNOLOGY CO LTD

Nickel-based water recovery and waste water utilization device capable of improving production stability

The utility model discloses a nickel-based water recovery waste water utilization device capable of improving production stability, which belongs to the field of nickel-based water recovery waste water utilization, and is characterized in that a mounting frame is arranged at the corner of the side wall of a collecting box, a fixed frame is erected at the upper end of the collecting box, and a mounting block matched with the mounting frame is arranged at the corner of the fixed frame; the fixed frame and the mounting block are fixed on the mounting rack through bolts; a filter screen cover is arranged in the fixed frame, a plurality of magnetic suction plates are arranged in meshes of the filter screen cover, and a drawer type cleaning plate is inserted into a groove in the side wall of the fixed frame. The collection and utilization of wastewater can reduce emission and improve the utilization rate of water resources. The wastewater is subjected to dual treatment, impurities are filtered firstly, and then ferromagnetic substances are removed by a magnetic plate, so that the quality is ensured. The device is provided with a handle and an anti-skid rubber strip, so that movement and safe operation are facilitated. The drawer type cleaning plate is convenient for regular cleaning, and high-efficiency operation is kept. The recovered wastewater reduces production cost, reduces environmental pollution, and meets environmental protection requirements.
Owner:SHANGHAI SHUNFAN ENVIRONMENTAL PROTECTION TECH CO LTD

Sodium fluosilicate sewage treatment system

The utility model discloses a sodium fluosilicate sewage treatment system, which is characterized in that sodium fluosilicate wastewater is subjected to fluorine removal and phosphorus removal, then sodium carbonate or sodium hydroxide is added, SO4 < 2-> in the wastewater is converted into a sodium sulfate solution, the wastewater is subjected to hardness removal treatment, then is subjected to ultrafiltration and nanofiltration membrane filtration, concentrated water containing the sodium sulfate solution is recovered to a sodium sulfate collection tank, and the sodium fluosilicate sewage is obtained. Produced water is recycled as replenishing water of the device, so that zero discharge of sewage can be realized.
Owner:湖北宜化氟化工有限公司

Rainwater recycling system for stepped multi-span greenhouses in hilly and mountainous areas

ActiveCN223523188UWater supply tanksPumping plantsGreenhouseRainwater tank
The utility model relates to the technical field of rainwater recycling, in particular to a hill and mountain stepped multi-span greenhouse rainwater recycling system which comprises a greenhouse, a rainwater tank, a downpipe, a low-level reservoir, a filter tank, a high-level reservoir, a ground recycling ditch and a stack retting tank. Rainwater enters the low-level reservoir along the downpipe, the rainwater is filtered through the filter tank, the rainwater entering the low-level reservoir is transferred into the high-level reservoir to be stored, rainwater on the ground near the greenhouse is recycled through the ground recycling ditch, the rainwater is filtered through the filter tank, and the rainwater enters the low-level reservoir. And the rainwater is transferred into the high-level reservoir for storage, so that the problems that the rainwater runoff is fast and the rainwater is difficult to collect in a centralized manner due to topographic relief of the existing rainwater recovery equipment in hills and mountains are solved.
Owner:YUNNAN AGRICULTURAL UNIVERSITY +1

Mining wastewater and sewage recovery treatment system

The utility model discloses a mining wastewater and sewage recovery treatment system which comprises a primary sedimentation tank, a sewage treatment tank and a waste storage tank, a first partition wall is arranged between the primary sedimentation tank and the sewage treatment tank, a second partition wall is arranged between the sewage treatment tank and the waste storage tank, the primary sedimentation tank is communicated with the sewage treatment tank, and the waste storage tank is communicated with the sewage treatment tank. An overflow tank is arranged in the sewage treatment tank, a secondary sedimentation tank is formed around the overflow tank, the sewage treatment tank and the overflow tank are in a shape like a Chinese character'hui ', and the overflow tank is connected with an external sewage treatment system through a pipeline; when in use, the mine wastewater and sewage recovery treatment system can ensure that construction water is circularly purified and used, saves resources, reduces dependence on external water sources, can also prevent sewage from being discharged to influence the environment, has good economic benefits and social benefits, and is suitable for popularization and use.
Owner:SINOHYDRO BUREAU 11 CO LTD

A plate waste heat wastewater recycling equipment

This invention discloses a waste heat recovery and reuse device for sheet metal, belonging to the field of wastewater treatment technology. It includes: a base, a cylindrical body fixedly installed at the center of the top of the base, a heat exchange component installed on the top of the cylindrical body, a filtration mechanism installed in the inner cavity of the cylindrical body, and a drain outlet installed inside the base. This waste heat recovery and reuse device for sheet metal includes a spiral cooling pipe that discharges the cooled wastewater to the top of a conical water guide platform. The conical water guide platform, by its shape, can evenly guide the wastewater onto an arc-shaped filter platform. There are five sets of arc-shaped filter platforms, so the wastewater flows sequentially from top to bottom onto the five sets of arc-shaped filter platforms. When the wastewater flows through the arc-shaped filter platforms, the filter tank filters the residue in the wastewater. Because the filtration width of the filter tank increases sequentially from top to bottom, the filter tank can filter residues of different sizes, improving the filtration efficiency.
Owner:ZAOZHUANG CANLAIBAO NEW MATERIAL TECH CO LTD

Heavy metal pollution bottom mud treatment wastewater recovery device

The invention discloses a heavy metal pollution bottom mud treatment wastewater recovery device, and relates to the technical field of sludge wastewater treatment equipment, the heavy metal pollution bottom mud treatment wastewater recovery device comprises a filter unit, the filter unit comprises a plurality of filter pipe groups, a rotating shaft and two connecting assemblies, the two ends of each filter pipe are provided with adsorption rings through guide rods, and the plurality of filter pipe groups are connected to the peripheral side of the rotating shaft; the connecting assemblies are located at the two ends of the filter pipe set, a plurality of communicating channels are formed in the connecting assemblies, an adsorption part is arranged on a channel opening of each communicating channel, the two ends of the rotating shaft are connected to the two main bodies respectively, and the rotating shaft rotates to enable the polluted filter pipes to move to the position of the backwashing channel and enable the clean filter pipes to move to the position of the wastewater filter channel. When the filter pipe is switched to be polluted, the backwashing communication pipeline flushes the switched polluted filter pipe for standby application, and wastewater is re-introduced into the wastewater filter channel and the switched clean filter pipe, so that the device recovers normal operation, and the problem that the recovery device is difficult to operate normally due to backwashing of the filter pipe is avoided to a great extent.
Owner:JIYANG COLLEGE OF ZHEJIANG A & F UNIV

Thermal power tail water recovery device

The invention relates to the technical field of thermal power generation direct-current cooling water systems, in particular to a thermal power generation tail water recycling device which comprises a water inlet pipe, a drainage valve is communicated in the water inlet pipe, and one end of the drainage valve is communicated with a water outlet pipe. The end, away from the drainage valve, of the water outlet pipe communicates with a cooling assembly used for cooling water in the water inlet pipe, a floating ball is arranged in the cooling assembly, and the cooling assembly communicates with a plurality of conveying pipelines. A drainage pipe is arranged at the other end of the drainage valve and internally provided with a power supply assembly for supplying power to the cooling assembly; a control assembly fixedly connected to the cooling assembly and used for controlling the opening degree of the drainage valve is installed in the water inlet pipe, the control assembly is fixedly connected with the floating ball, and the power supply assembly is electrically connected with the cooling assembly. By means of the structural design, direct flow cooling water can be effectively recycled and conveyed into a circulating cold area system, it is avoided that the direct flow cooling water is directly discharged into a water body, and therefore a large amount of water resources are saved, and the tail water recycling efficiency is improved.
Owner:HUADIAN XINJIANG POWER CO LTD

Method for combined utilization of low-temperature waste heat of a chppo device and a phenol acetone device

PendingCN122281644AProcess engineeringPhenol
This invention relates to the field of energy conservation and consumption reduction in chemical plants, specifically to a method for the combined utilization of low-temperature waste heat from a CHPPO unit and a phenol-acetone unit. The method involves setting up multiple circulating branches connecting different heat sources and heat traps within the CHPPO and phenol-acetone units. The large amount of low-temperature waste heat generated by each heat source within the units is recovered and enriched through a heat transfer medium (water) for heating low-temperature materials within the units. This replaces the low-pressure steam originally required for heating the heat traps, improving the plant's energy efficiency and reducing energy consumption and heating costs in production. Based on the different operating conditions of the units at the initial and final stages, each heat exchange component of each branch is controlled and adjusted holistically, rationally planning and utilizing the low-temperature waste heat of each unit, reducing heat loss directly discharged into the environment, and achieving the overall goal of energy conservation, consumption reduction, cost reduction, and efficiency improvement in the production unit.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Grey water reclamation

A grey water reclamation system for a recreational vehicle includes an on-board use that generates grey water having a contamination level, a grey water treatment tank fluidly connected to the on-board uses to collect the grey water and treat the grey water therein to form treated grey water, and a coagulant dispenser and a flocculant dispenser each fluidly connected to the grey water treatment tank and configured to supply a predetermined amount of coagulant and flocculant, respectively, to the grey water treatment tank. The system also includes a grey water supply tank fluidly connected to the grey water treatment tank configured to receive the treated grey water therefrom and supply the treated grey water to a particular on-board use. The predetermined amount of coagulant is based on the contamination level or a turbidity of the treated grey water.
Owner:WHIRLPOOL CORP

Water tank assembly for tail gas treatment system and tail gas treatment system

The utility model is suitable for the technical field of tail gas treatment systems, and provides a water tank assembly for a tail gas treatment system and the tail gas treatment system.The water tank assembly comprises a tank body and a partition assembly arranged in the tank body, and the partition assembly divides the interior of the tank body into a deposition cavity and an overflow cavity; the separation assembly comprises a baffle arranged on the bottom wall of the box body and a filter screen arranged above the baffle, the filter screen is used for preventing dust in the deposition cavity from flowing to the overflow cavity, the deposition cavity is used for settling the dust, and the overflow cavity is used for recycling water overflowing from the deposition cavity for cyclic utilization; a filter screen in the separation assembly is used for preventing dust in the deposition cavity from flowing to the overflow cavity, so that the dust in the deposition cavity cannot enter the overflow cavity along with overflowing water flow, the cleanness of water in the overflow cavity is maintained, the cleanness of water in a circulating pipeline is ensured, the nozzle blockage probability is reduced, and the washing efficiency of the tail gas treatment system is improved.
Owner:ZHEJIANG AIKO SOLAR ENERGY TECH CO LTD +4

Treatment system for rainwater recycling

The utility model provides a treatment system for rainwater recovery, and relates to the technical field of rainwater treatment, the treatment system comprises a wetland area, a magnetic flocculation device, an ultrafiltration membrane group, a nanofiltration membrane group and a clear water tank which are communicated in sequence, rainwater can flow through the wetland area, the magnetic flocculation device, the ultrafiltration membrane group and the nanofiltration membrane group in sequence to be filtered, and the clear water tank is communicated with the wetland area. The rainwater is gradually purified, so that the rainwater can reach the reclaimed water level and flows into the clean water tank; the treated rainwater can be used for toilet flushing, greening, road sweeping, car washing and the like, and recycling of the rainwater is achieved.
Owner:BEIJING CAPITAL INT AIRPORT CO LTD

Household reclaimed water recycling device

The utility model relates to the technical field of waste water recycling, in particular to a household reclaimed water recycling device which comprises a water collecting box, a filter screen groove is formed in the top of the water collecting box, a filter screen is clamped in the filter screen groove, a connecting pipe is fixedly connected to the bottom of the water collecting box, and a water collecting tank is fixedly connected to the bottom of the connecting pipe. A funnel groove is formed in the bottom of the water collecting tank, a drainage pipe is fixedly connected to the bottom, close to the funnel groove, of the water collecting tank, and an electromagnetic valve is arranged in the drainage pipe. The bathing device has the advantages that waste water generated by bathing enters the water collecting box through the filter screen, large impurities such as hair are filtered by the filter screen, the filtered waste water enters the water collecting box through the connecting pipe, the impurities are precipitated in the funnel groove at the bottom of the water collecting box after precipitation, and the waste water at the top of the water collecting box can be extracted for secondary utilization. The purpose of waste water utilization is achieved, and precipitated impurities can be discharged outwards by opening the electromagnetic valve.
Owner:SHENZHEN BOXINMEI NANOMETER TECH CO LTD

Textile water recycling collection device

The present application relates to water recycling equipment technical field, specifically to a kind of textile water circulation collection equipment;Water collection part, including a plurality of conducting installation in the first liquid warehouse above flow guide structure, flow guide structure is installed with liquid collection warehouse, liquid collection warehouse is installed with waste liquid pipe and effluent pipe on conducting, and effluent pipe water outlet and first liquid warehouse between conducting installation;Inner processing part, including installation in the first liquid warehouse filtrate inner warehouse, and filtrate inner warehouse is installed with gas injection pipe, stirring blade and water pump;Water collection part can gather production wastewater or rainwater and other water resources, can be introduced into first liquid warehouse by flow guide structure and effluent pipe with water resources;While provided with inner processing part can be extracted to second liquid warehouse after water resources are handled, this collection equipment can be recycled by water collection part with inner processing part after the water resources such as textile wastewater of slight pollution and collected rainwater are handled, can improve water resource utilization, applicable to textile industry and other large water demand industry.
Owner:ANHUI HUAMAO TEXTILE

Chemical water reverse osmosis concentrated water recycling system

The invention discloses a chemical water reverse osmosis concentrated water recycling system which comprises a tank body, a first partition plate and a second partition plate are fixedly installed in the tank body, the interior of the tank body is divided into a first cavity, a second cavity and a third cavity from top to bottom through the first partition plate and the second partition plate, and the first partition plate and the second partition plate are fixedly connected with the inner wall of the tank body; a treatment assembly is movably mounted in the tank body; through cooperative use of the first cavity, the second cavity, the third cavity and other components, the concentrated water is subjected to multi-stage treatment, different treatment stages of the concentrated water are used, the recycling efficiency of the concentrated water is effectively improved, meanwhile, the first cavity, the second cavity and the third cavity are controlled in series through the rotating shaft, and through movement of the rotating shaft, the concentrated water can be recycled. The positions of the first sealing block and the second sealing block are controlled, then the communication condition of the first cavity, the second cavity and the third cavity is adjusted, and the vertical arrangement also effectively reduces the occupied area of the equipment.
Owner:BINZHOU LVFENG THERMAL POWER CO LTD +1

Alkali washing tower system for preparing olefin from methanol

The utility model discloses a methanol-to-olefin alkaline washing tower system which comprises a separating tower and an alkaline washing tower, the alkaline washing tower is connected with a gas inlet pipeline, the lower part of the alkaline washing tower is provided with an alkaline liquor circulating unit, the top of the alkaline washing tower is provided with a gas outlet pipeline, and the alkaline washing tower is connected with a water inlet pipeline and a water return pipeline; the bottom of the separation tower is provided with a separation tower bottom circulation, the separation tower bottom circulation is connected with a quenching water unit, and the separation tower bottom circulation is connected with a heater for heating the gas inlet pipeline through a quenching water circulation pipeline; according to the S-MTO device alkaline washing tower water washing system, a washing water recovery system process is arranged, a small part of washing water in the water washing section of the S-MTO device alkaline washing tower is directly fed into the quenching water system, the waste alkali liquid discharge amount of the alkaline washing tower is reduced, the fresh alkali consumption amount is reduced, the energy consumption is reduced, the energy consumption is reduced, and the energy consumption is reduced. Meanwhile, the waste alkali treatment burden of the waste alkali incineration device is reduced, the environmental protection risk is reduced, and device efficiency improvement is achieved.
Owner:ZHONGAN UNITED COAL CHEM CO LTD

Preparation method of bagasse / geopolymer composite carbonized film for water purification technology

The invention belongs to the field of water purification and water recovery, and particularly relates to a biological geopolymer carbonized membrane which is prepared from bagasse powder and a geopolymer, and the biological geopolymer carbonized membrane comprises the following components in percentage by mass: 0.5-3% of bagasse, 0.1-2% of hydrogen peroxide, 0.01-0.06% of lauryl sodium sulfate, 20-27% of slag and the balance of water. The content of the metakaolin is 20%-27%, and the content of the water glass is 41%-46%. The invention also discloses a preparation method of the biological geopolymer diaphragm, which comprises the following specific steps: adding bagasse powder into a geopolymer raw material, uniformly mixing, curing at constant temperature, demolding, grinding and calcining to obtain the bagasse / geopolymer composite carbonized diaphragm. The invention also discloses an application of the biological polymer carbonized membrane in Congo red sewage and seawater desalination. The biological texture polymer carbonized membrane has the capacity of efficiently removing Congo red dye liquor and the capacity of interface evaporation, and application of the biological texture polymer carbonized membrane in multiple fields is achieved.
Owner:GUANGXI UNIV FOR NATITIES