97 results about "Greywater reuse" patented technology

The invention relates to a reclaimed water reuse regulation and control method and system based on artificial intelligence and digital twinning, and the method comprises the steps: collecting initial data in a water treatment system, and carrying out the data preprocessing of the initial data to generate preprocessed data; constructing a digital twinning virtual model, and updating model parameters of the digital twinning virtual model based on the preprocessed data through a Bayesian reasoning algorithm to obtain a target digital twinning virtual model; outputting a water quality prediction result in a future preset time period through a pre-constructed water quality prediction model in the decision-making layer, and performing a rehearsal control strategy in the target digital twin virtual model based on the water quality prediction result to generate an optimization control instruction; performing data anomaly detection and fault diagnosis processing based on the preprocessed data through an anomaly detection model and an isolated forest algorithm to generate a fault diagnosis report; and issuing the optimization control instruction to an execution mechanism. The system response speed is improved, the control strategy perspectiveness is enhanced, and the equipment operation and maintenance intelligent level is improved.

The invention relates to the technical field of water treatment, and discloses a reclaimed water reuse treatment process suitable for island high-chlorine tail water, which comprises the following steps: when the real-time chloride ion concentration value is not higher than the chloride ion concentration threshold value, introducing the pretreated water into a low-salinity treatment path, and carrying out first desalination treatment by adopting a capacitive deionization technology; and when the real-time chloride ion concentration value is higher than the chloride ion concentration threshold value, guiding the pretreated water into a high-salinity treatment path, and carrying out second desalination treatment by adopting a reverse osmosis technology. A parallel double-path deep desalination framework is constructed, an intelligent control system guides water flow into an MCD I path or an LPRO path, and frequent switching of the system at a critical point is avoided by setting a hysteresis interval, so that a treatment path with the lowest instantaneous operation cost is automatically selected according to real-time water quality, energy consumption optimization in a full working condition range is realized, and the energy consumption is reduced. And long-term stable and efficient operation of the system is ensured.

The utility model relates to the field of ethylene oxide and ethylene glycol production sewage treatment, and discloses a high-salt wastewater treatment system matched with ethylene oxide and ethylene glycol production for use, which comprises a high-salt regulating tank (22), an anoxic tank (23), a high-salt CBR tank (24), a high-salt ASR tank (25) and a high-salt secondary sedimentation tank (26) which are sequentially connected, and the high-salt secondary sedimentation tank (26) is connected with a final sedimentation tank (27); the sewage treatment system realizes high-efficiency treatment of high-salinity wastewater in ethylene oxide and ethylene glycol production, and is high in treatment efficiency and stable in operation; meanwhile, the reclaimed water recycling system (20) is matched for recycling clean water at multiple positions, so that water is saved, emission is reduced, and the operation cost is reduced.

The utility model provides a grey water treatment system which comprises a wash basin and / or a mop pool, a grey water tank connected with a water outlet of the wash basin and / or the mop pool through a drain pipe, a grey water pump connected with the grey water tank, and a water outlet end of the grey water pump is connected with a filter, wherein the grey water tank is internally provided with a filter basket for filtering water flowing into the wash basin and / or the mop pool; the top end of the filter is connected with a pressure sensor B and a pressure gauge, the filter is connected with an air flotation machine, the air flotation machine is connected with an ozone catalysis device, and the reclaimed water tank water supply system is connected with the ozone catalysis device. According to the utility model, grey water in the hand basin and the mop pool is treated into reclaimed water for reuse, and the reclaimed water is used for flushing the toilet, so that the burden of municipal sewage treatment is greatly reduced, and precious tap water resources are saved.

The sewage treatment system comprises a sewage collection tank, an outlet of the sewage collection tank is communicated with a dosing pipeline, the dosing pipeline is connected with a clarification tank, supernate of the clarification tank is communicated with a biochemical tank, the bottom of the clarification tank is communicated with a sludge blending tank, the biochemical tank is communicated with a primary sedimentation tank, and the primary sedimentation tank is communicated with a secondary sedimentation tank. The third sedimentation tank is provided with a water outlet, the bottom of the first sedimentation tank, the bottom of the second sedimentation tank and the bottom of the third sedimentation tank are communicated with the sludge blending tank, the sludge blending tank is communicated with the plate filter press, the plate filter press is communicated with the sewage collection tank, the sewage treatment system comprises a reclaimed water recycling device and an intermediate tank, the second sedimentation tank is communicated with the intermediate tank, and the intermediate tank is communicated with the third sedimentation tank. The middle tank is provided with a reuse water port, a concentrated water pipeline of the reclaimed water reuse device is communicated with the Fenton reaction device and the clarification tank, the Fenton reaction device is communicated with the tertiary sedimentation tank, and the middle tank is higher than the reclaimed water reuse device. According to the application, the reclaimed water reuse device still has enough inlet water when the water inflow fluctuates, and it is guaranteed that discharge reaches the standard.

The utility model relates to the related technical field of reclaimed water treatment, in particular to a zero-discharge reclaimed water recycling device which comprises a base and a pretreatment mechanism, the pretreatment mechanism is arranged on one side of the surface of the base, a biological treatment mechanism is arranged on one side of the surface of the base, and a disinfection mechanism is arranged at one end of the base. According to the reclaimed water recycling device based on zero emission, through the arrangement of the pretreatment mechanism, firstly, reclaimed water is introduced into the water inlet, then a control valve on the water inlet is opened, the reclaimed water enters the first box body through the water inlet, and at the moment, a grating in the water inlet filters particles in the reclaimed water for the first time; when water in the first box body rises to the first filter screen, the first filter screen arranged in the two layers can enter the reclaimed water in the first box body for secondary filtration, when the water level completely overflows the first filter screen, the water pump on the first connecting pipe is opened, the reclaimed water above the first filter screen can be pumped away, and pretreatment of the reclaimed water is completed.

The utility model discloses a zero direct discharge treatment device for sewage and wastewater of an urban rail transit station, which comprises a regulating reservoir connected with a station sewage and wastewater pipe and used for regulating the water quality and the water quantity of the station sewage and wastewater and conveying the regulated station sewage and wastewater to circulating biochemical treatment equipment; the circulating biochemical treatment equipment is arranged at the downstream of the adjusting tank and is used for carrying out nitrogen and phosphorus removal and impurity removal treatment on the sewage conveyed by the adjusting tank and respectively conveying the treated sewage and sludge to a clean water tank and a sludge storage tank; the clean water tank is arranged at the downstream of the circulating biochemical treatment equipment and is connected with a recycling pipe network system and a municipal rainwater drainage pipe network system through a reclaimed water recycling device; and the sludge storage tank is connected with the circulating biochemical treatment equipment and the regulating tank. The sewage treatment device has the beneficial effects that the sewage treatment efficiency is improved, and the sewage treatment rate reaches more than 95%; the treated water body is stable in performance, and the water resource utilization efficiency is high.

The invention discloses a cigarette factory production sewage treatment system and process, and the system comprises a glue washing wastewater pretreatment module which comprises an adjusting tank I, a hydrophilic modification unit, an air flotation separation unit and a catalytic oxidation unit; the primary sewage treatment module comprises a water collecting tank, a regulating tank II, an efficient air flotation unit and a sludge tank; the primary reclaimed water treatment module comprises two groups of hydrolytic acidification units, contact oxidation units and secondary sedimentation tanks which run in parallel, as well as an intermediate water tank, a filter unit and a reclaimed water tank; and the secondary reclaimed water treatment module comprises a reverse osmosis unit and a water producing tank. Through the innovative sewage treatment system and process, various pollutants in sewage are efficiently removed, the reuse quality and the reuse rate of reclaimed water are improved, the operation cost is reduced, meanwhile, the equipment layout is reasonably planned, so that the equipment can efficiently operate in a limited space, and the sewage treatment efficiency is improved. The requirements of sewage treatment and reclaimed water reuse in industrial production processes of cigarette factories and the like are met, and green and sustainable development of industrial production is promoted.

The utility model provides a building reclaimed water recycling device which comprises a first fixing plate and a second fixing plate, a double-cylinder mounting frame is movably arranged between the first fixing plate and the second fixing plate through an adjusting mechanism, and the adjusting mechanism comprises a two-way screw. And the two-way screw rod is rotationally mounted at the inner center positions of the first fixing plate and the second fixing plate in a limiting manner. An adjusting disc is adjusted through a two-way screw rod, and the adjusting disc is used for adjusting the lifting of a sealing disc through a fixing rod, so that the sealing disc can be separated from the double-cylinder mounting frame, the double-cylinder mounting frame can be rotationally adjusted, and a first filter cylinder and a second filter cylinder are taken out from the interior of the double-cylinder mounting frame; the first filter cylinder and the second filter cylinder can be conveniently taken out and impurities can be cleaned, so that the practicability of the device can be improved; the sealing disc and the double-cylinder mounting frame can be sealed through the bidirectional screw rod, the adjusting disc and the fixing rod, so that water can be conveniently filtered through the double-cylinder mounting frame, the first filter cylinder and the second filter cylinder, and reclaimed water can be conveniently recycled.

This application relates to the field of wastewater treatment technology, specifically to a method for controlling the reuse of recycled water in wastewater treatment processes. The method includes: collecting various parameter data; calculating the transmembrane pressure difference based on pressure, fitting a straight line to obtain the rate of change of the transmembrane pressure difference; constructing a trend sequence using desalination rate, transmembrane pressure difference, and permeate flow rate, and determining the RO membrane quality coefficient based on the variance of the trend sequence, the correlation differences among the data constituting the trend sequence, and the rate of change of the transmembrane pressure difference; fitting the permeate flow rate curve, and determining the pre-RO membrane characteristic coefficient based on the difference in the permeate flow rate change rate, the mean of influent turbidity, the mean of elemental change rate, and the RO membrane quality coefficient; adjusting the membrane cleaning interval after the adjustment in the previous cycle based on the RO membrane quality coefficient and the pre-RO membrane characteristic coefficient to obtain the adjusted membrane cleaning interval for each cycle; and cleaning the RO membrane based on the adjusted membrane cleaning interval for each cycle. This application ensures the stability of water treatment quality.

The invention provides a reclaimed water recycling integrated device based on a tubular ultrafiltration membrane, which comprises a support frame, a pretreatment part, an ultrafiltration part and a disinfection part are arranged on the support frame, a settling tank is arranged on one side of the support frame to preliminarily precipitate large-particle impurities, and the settling tank, the pretreatment part, the ultrafiltration part and the disinfection part are sequentially connected to form a reclaimed water treatment path; the ultrafiltration part comprises a main body box and a plurality of groups of ultrafiltration membrane pipes, the membrane pipes are clamped on the main body box, the main body box is provided with a first water storage tank, and the water storage tank is respectively connected with the pretreatment part and the water inlet ends of the membrane pipes; one end of the membrane tube is provided with a flushing part and a backflushing part to form a collaborative cleaning structure; a second water storage tank and multiple groups of water storage tanks are arranged below the main body box, the water storage tank is connected with the water storage tanks, part of the water storage tanks are connected with the flushing part, the rest are connected with the backflushing part, and the second water storage tank is further connected with the disinfecting part. The device can realize efficient treatment of reclaimed water and cleaning of the ultrafiltration membrane tube, can complete deep cleaning of the membrane tube without disassembly, and effectively solves the problems that the membrane tube of the traditional device is easy to block and needs to be manually disassembled and washed.

The application provides a sewage treatment method based on A2O-MBR membrane technology, and belongs to the technical field of sewage treatment. The technical scheme is as follows: step one, pretreating sewage; step two, feeding the pretreated sewage into an improved A2O biological treatment section; step three, carrying out sludge refluxing between the anaerobic section, the anoxic section and the aerobic section; step four, carrying out MBR membrane separation on the sewage treated by the improved A2O biological treatment; step five, carrying out advanced treatment on the effluent after the MBR membrane separation; and step six, intelligently controlling and energy-saving adjusting the system operation process and monitoring system operation parameters in real time. The application has the beneficial effects that: the application combines biological denitrification and dephosphorization, membrane separation and intelligent control, improves the sewage treatment efficiency and the effluent stability, reduces membrane pollution and operation energy consumption, and takes into account sludge reduction and water reuse.

This utility model belongs to the field of urban water conservation and discloses an integrated system for rainwater harvesting and greywater reuse in buildings. It includes a rainwater harvesting system comprising a rainwater tank, rainwater collection pipes, rainwater downpipes, and a rainwater outlet pipe. The rainwater tank is installed within the building body, the rainwater collection pipes are fixed to the top of the building body and connected to the rainwater tank, and a rainwater overflow pipe is installed inside the rainwater tank. The rainwater downpipes are installed on the side walls of the building body, and the rainwater overflow pipes are connected to the rainwater downpipes. The rainwater outlet pipe is installed on the side wall of the rainwater tank. A greywater system is also included. Rainwater is collected from the top floor of the building body through the rainwater collection pipes, and then connected to the greywater system through the rainwater outlet pipes. This allows the rainwater collected by the building body to be reused for indoor washing, avoiding the situation where rainwater collected by the building cannot be fully utilized by the rain garden, thus improving the utilization rate of rainwater.

The utility model discloses an ozone generating device for recycling reclaimed water in high-standard discharge of power plant circulating water, which relates to the technical field of water treatment and comprises a water tank and an ozone generator body, the ozone generator body is arranged on one side of the water tank, and an air inlet pipe is mounted on an air inlet of the ozone generator body. The ozone generator comprises an ozone generator body, a gas inlet pipe is arranged on the ozone generator body, a filter and a drying box are sequentially installed on the gas inlet pipe in the gas flowing direction, and an ozone conveying pipe is installed on a gas outlet of the ozone generator body. Impurity filtering and gas drying can be carried out on air entering the air inlet pipe, and the quality of the air entering the ozone generator can be effectively guaranteed, so that the operation efficiency and ozone concentration of the generator are prevented from being reduced by dust and moisture, and nitric acid formed on the surface of an electrode affects the discharge efficiency and reduces the performance of the ozone generator are avoided.

The utility model discloses a novel coal chemical industry water reuse treatment device, its characterized in that, including solid -liquid separation equipment, sedimentation tank, tubular ultrafiltration membrane group, clear water pool, the sedimentation tank includes pool body, and the pool body is divided into first settlement chamber, second settlement chamber, third settlement chamber in portion, and first settlement chamber is communicated with second settlement chamber through high -lying first overflow port, and second settlement chamber is communicated with third settlement chamber through low -lying second overflow port, and each overflow port place all fixed mounting has filter plate, the liquid outflow end of solid -liquid separation equipment is communicated with the first settlement chamber of sedimentation tank, and the third settlement chamber of sedimentation tank is communicated with the liquid inflow end of tubular ultrafiltration membrane group through second water pump, the clean water outflow end of tubular ultrafiltration membrane group is communicated with clear water pool, and its sewage outflow end is communicated with the first settlement chamber of sedimentation tank through second pipeline, has simple structure, practicality is strong, can continuous operation, and wastewater treatment capacity is big, wastewater treatment effect is better and so on technical features.

The disinfection and purification device comprises a main body, a water pump arranged on the surface of the main body and an operation box arranged on the surface of the main body, the main body is composed of tank bodies and a cover body which are symmetrically arranged, and the tank bodies which are symmetrically arranged are arranged at the two ends of the cover body; by means of the designed limiting mechanism, the problems that in the using process of an original disinfection and purification device for reclaimed water recycling, when a cover body and a tank body need to be installed, due to the fact that the cover body and the tank body are installed in the mode that a plurality of bolts penetrate through the cover body and the tank body, a plurality of holes need to be aligned, and in the hole alignment process, the tank body needs to be moved; by arranging the limiting mechanism between the cover body and the tank body, the multiple holes are rapidly aligned through the limiting mechanism in the installation process of the cover body and the tank body, the installation efficiency is improved, and it is ensured that the disinfection and purification device for reclaimed water reuse rapidly recovers normal operation.

The utility model provides a reclaimed water recycling device, and mainly relates to the field of water filtering equipment. A reclaimed water recycling device comprises a bottom plate. The utility model has the beneficial effects that the filter barrel is arranged at the upper part of the bottom plate, the filter screen is arranged in the filter barrel to filter solid impurities, and the activated carbon filter barrel is further arranged to filter chemical substances and the like in water flow to reach a reclaimed water reuse standard and discharge the chemical substances and the like from the bottom of the filter barrel to carry out next treatment operation on the water flow; the filtering barrel is arranged to be turnable, and the magnetic attraction structures are arranged at the positions of the water inlet hole and the water outlet hole to attract the water inlet head and the water outlet head structure, so that the device can automatically attract the water inlet head and the water outlet head structure after being turned over, and cleaning water is further introduced into the water inlet head; and after cleaning is completed, the device is reset through overturning, the water inlet head and the water outlet head are automatically adsorbed to the two ends of the filtering barrel through the magnetic structures for subsequent use, and operation is convenient.

Apparatus and a method for water treatment is provided with a closed-loop quality control system optionally using an AI-powered diagnostic system in situ. The preferred embodiments provide a combined intelligent water retention and storage system most preferably comprising a flexible tank, using non-watertight tubes with waterproof membrane reinforced by geotextile. Another aspect adds integrating greywater reuse, intelligent irrigation, and automated management by ultrasonic sensors, controlled by a SAS platform with real-time weather forecasting. In another aspect, there is provided a combined water retention and storage system allowing a single tank to perform both retention and storage functions.

This application discloses a grey water reuse treatment device, including a filtration mechanism, a reuse water tank, and a waste tank. The upper end of the filtration mechanism has a grey water zone A, which is connected to the drain outlet of a washbasin via an inlet pipe. The middle part of the filtration mechanism has a clean water zone B, which is connected to the reuse water tank via a filter suction pipe and a backwash suction pipe. The end of the filtration mechanism has a wastewater discharge zone C, which is connected to the waste tank via a wastewater discharge pipe. The grey water reuse treatment device provided by this application can effectively improve the service life of the filter by backwashing, eliminating the need for frequent filter element replacements and reducing maintenance costs. Simultaneously, the addition of a bactericide inhibits the growth of microorganisms.

The utility model belongs to container technical field discloses a kind of intelligent container house suitable for field office, emergency guarantee and high-end travel scene.The utility model structure includes container main body, main body contains door, window, outer wall, control device, bathroom device and water supply and drainage device.Monitoring device and active security device are fixed on outer wall, side edge is opened expansion device opening, bottom is equipped with hydraulic support device.Door side edge and top are equipped with magnetic type invisible door sealing strip, bottom is equipped with automatic lifting sealing rubber strip;Bathroom device contains shower room without lower rail and foam shield intelligent closestool with ultraviolet sterilization;Water supply and drainage device contains zero discharge water treatment device with reclaimed water reuse;Control device contains power generation and energy storage device, intelligent environment regulating device;Expansion device contains quick plug-pull water electromagnetic suction type expansion interface with external automatic sealing air valve, overall improves complex environment adaptability and use reliability.

The utility model discloses a heavy metal ion-containing cleaning wastewater production line on-site online recycling device which comprises a shell, a purification mechanism is arranged in the shell, and a through pipe hole is formed in the side surface of the shell. The purification mechanism comprises a raw water bucket, a metal concentrated liquid collecting bucket, a first water outlet pipe, a cleaning filter, a first water passing pipe, a water inlet pipe, a pure water collecting bucket, a second water passing pipe, a raw water pump, a third water passing pipe, a fourth water passing pipe, a nanofiltration assembly, a fifth water passing pipe, a first regulating valve, a booster pump, a second regulating valve, a third regulating valve, a reverse osmosis assembly and a fourth regulating valve; a first water inlet pipe, a second water outlet pipe, a sixth water passing pipe, a branch pipe, a dosing metering pump and a medicine tank, and a nanofiltration membrane is arranged in the nanofiltration assembly. According to the structure, the shell and the purification mechanism are arranged, so that the investment of other chemical agents can be greatly reduced, and compared with the traditional chemical precipitation, no redundant product is generated, the reuse rate of reclaimed water is effectively improved, and the emission of pollutants is reduced.

The utility model relates to the technical field of reclaimed water reuse integrated devices, in particular to a reclaimed water reuse integrated device which comprises a water inlet assembly, a pretreatment assembly, an MBR (Membrane Bioreactor) reaction assembly, a post-treatment assembly, a detection assembly and a water storage and outlet assembly, raw water enters the water inlet assembly and then sequentially enters the pretreatment assembly, the MBR reaction assembly, the post-treatment assembly and the detection assembly, if the raw water is detected to be qualified, the raw water enters the water storage and outlet assembly and enters a user side, and if the raw water is detected to be unqualified, the raw water enters the pretreatment assembly, the MBR reaction assembly and the post-treatment assembly again. The reclaimed water reuse integrated device containing the reciprocating MBR and the RO has the advantages of high efficiency, energy conservation, environmental protection and the like, and can realize deep treatment and resource utilization of sewage.

The invention relates to a reclaimed water recycling system, a backwashing control method and an interlocking backwashing control method. The reclaimed water reuse system comprises: a discharge treatment subsystem, which is used for treating paper mill sewage into wastewater meeting the discharge standard; the recycling treatment subsystem is arranged at the downstream of the discharging treatment subsystem, the recycling treatment subsystem comprises a fine filtering part section, and the fine filtering part section is used for filtering impurities exceeding a first preset size in the wastewater; and the water supply treatment subsystem selectively connects and disconnects the fine filtering part section and / or the clear water supply part through a valve at the downstream, the water supply treatment subsystem comprises a booster pump, and the booster pump is used for outputting treated waste water and / or clear water with preset pressure to the downstream paper mill paper machine shaft seal water system.

The utility model discloses a reclaimed water recycling cooling tower which comprises a fan area, a laminate area and a water storage area, the fan area located at the top in the tower comprises a plurality of fans blowing upwards, the laminate area is arranged in the middle in the tower, a plurality of laminates are arranged in the laminate area, and the water storage area is located at the bottom in the tower. A floating ball valve group consisting of a plurality of floating ball valves is arranged in the water storage area, and an overflow port is formed in the tower wall above the water storage area; a reclaimed water lead-in port is formed in the tower wall corresponding to the layer plate area and is connected with an outlet of a reclaimed water pipe outside the tower, an inlet of the reclaimed water pipe is connected to a water outlet of a reclaimed water tank, and a water pump is arranged on the reclaimed water pipe. According to the cooling tower for recycling the reclaimed water, the discharged reclaimed water is recycled into the cooling tower, so that a large amount of tap water can be saved, the operation of the cooling tower is fully ensured, and particularly, about 30% of tap water can be saved in summer; and by increasing the depth of the water storage area, the water quantity redundancy in the cooling tower is increased, and a large amount of electric power and water resources are saved.

This invention discloses a method and system for rural sewage treatment and the utilization of sludge and phosphorus resources, relating to the field of rural sewage treatment technology. It addresses the problem of ineffective in-situ utilization of sludge in existing indirect rural sewage resource utilization systems, where sludge thickening tanks are not effectively utilized and phosphorus resources are wasted. This invention pre-treats rural domestic sewage by filtering out large particles, then treats it in an equalization tank before sending it to a biological treatment unit. The effluent from the biological treatment unit is introduced into an constructed wetland for further treatment and reuse as greywater. The remaining sludge discharged from the biological treatment unit is discharged into a phosphorus adsorption tank. The phosphorus-removed sludge is then concentrated in a sludge thickening tank. The concentrated sludge is made into ceramsite, which replaces the ceramsite packing material in the constructed wetland and phosphorus adsorption tank. The displaced phosphorus-containing ceramsite is used as fertilizer for returning to the fields. This invention features simple and reasonable process steps, low cost, proper sewage treatment, and the ceramsite made from sludge adsorbing phosphorus can be used as farmland fertilizer, effectively utilizing sludge and phosphorus in situ.

The invention relates to the technical field of reclaimed water recycling, and particularly discloses a high-speed service area reclaimed water recycling device which comprises a machine shell, the machine shell comprises a machine shell top, a side wall, a bottom plate and a cabinet door, a mounting frame is arranged on the central axis of the bottom plate of the machine shell, and a fiber membrane pipe communicated with a water inlet pipe is arranged on one side of the mounting frame; the fiber membrane pipe is sequentially communicated with an activated carbon filter, a manganese sand filter and a precision filter, a reverse osmosis pipe communicated with the water outlet pipe is transversely mounted on the other side of the fiber membrane pipe, the precision filter is communicated with the reverse osmosis pipe, and a pipeline mixer capable of sucking air from the environment is arranged between the activated carbon filter and the manganese sand filter; and the pipeline mixer is connected with a sodium hypochlorite generator.

The utility model relates to a same-floor reclaimed water recycling pipe network structure, and belongs to the technical field of building water supply and drainage engineering, the same-floor reclaimed water recycling pipe network structure comprises a floor, the top of the floor is fixedly provided with a wall surface, the bottom of the floor is fixedly provided with a collecting tank, the floor is provided with an opening and closing mechanism, the bottom of the collecting tank is communicated with an inlet pipe, and the inlet pipe is fixedly communicated with an automatic diaphragm valve; a filter assembly is arranged on the inlet pipe and communicated with an outlet pipe, a booster pump is fixed to the top of the outlet pipe, and an output port of the booster pump is communicated with a water storage tank. According to the same-layer reclaimed water recycling pipe network structure, due to the arrangement of the filtering assembly, the use quality of reclaimed water is improved, due to the arrangement of the opening and closing mechanism, the use convenience of the whole structure is improved, due to the arrangement of the locking assembly, cleaning of the attachment plate is facilitated, and therefore the stability of the reclaimed water treatment effect is facilitated; and therefore, the overall use stability is improved, and the use effect of the overall structure is improved.

The application discloses a kind of multistage water circulation system and method for mixed plastic cleaning, belong to plastic cleaning technical field.System includes plastic cleaning module, mechanical filtration module and sewage disposal module.Plastic cleaning module uses reverse water circulation design, the cleaning drainage of back-end water washing equipment is supplied to intermediate water washing equipment in reverse, the cleaning drainage of intermediate water washing equipment is supplied to front-end water washing equipment in reverse, realize the gradient utilization of cleaning water.Mechanical filtration module carries out coarse filtration and fine filtration to front-end cleaning drainage, filtrate is shunted according to water quality, part is directly reused to back-end water washing equipment, part enters sewage disposal module.Sewage disposal module produces high-quality reclaimed water by biochemical treatment and desalination treatment and is reused to back-end water washing equipment.The application improves cleaning effect and water resource utilization rate, reduces fresh water consumption and wastewater discharge, solves salt accumulation problem, and reduces operating cost.

The utility model discloses a kind of reclaimed water reuse device, belong to reclaimed water reuse technical field, it includes sedimentation bin, the one side of the sedimentation bin is equipped with filter bin, the one side of the filter bin is equipped with aeration bin, connecting rod is equipped between the sedimentation bin, filter bin and aeration bin.The reclaimed water reuse device, by setting sedimentation bin, filter bin and aeration bin, sedimentation bin, filter bin and aeration bin, form an organic whole processing system, this design makes the flow of reclaimed water between each processing link more smooth, avoids the water flow interruption or backflow phenomenon caused by the connection between device complex, from the preliminary filtration of sedimentation bin, to depth purification of filter bin, to biodegradation of aeration bin, whole processing process is complete, greatly improve the overall efficiency of reclaimed water treatment, make the operation of entire reclaimed water reuse device more efficient, stable, can better meet the demand of actual application to reclaimed water rapid treatment and reuse.

The present invention discloses a device and method for recycling medium and crystallizing concentrated water from stainless steel industrial wastewater, comprising the following steps: stainless steel pickling wastewater and oily wastewater are respectively pre-treated and enter a water distribution tank, and then enter a two-stage denitrification reactor, an aerobic tank, and a secondary sedimentation tank for treatment, and then enter a reclaimed water recycling system, and enter a reclaimed water recycling tank after being treated with UF+RO+ROR+MVR. The present invention adopts wastewater source diversion, segmented treatment and sludge classification and recovery processes, designs different pretreatment processes respectively, and adds chemicals in a targeted manner, which can achieve a simultaneous reduction in the amount of chemicals and sludge production. Combined with biochemical treatment and the reclaimed water recycling system, the reclaimed water recycling rate is increased to 95%-98%, and the system sludge is classified, collected and dehydrated. It can not only completely and comprehensively remove various pollutants in the wastewater and ensure its stable treatment effect, but also the high and medium water recycling rates can greatly reduce daily operating costs and realize the resource utilization of wastewater / sludge.