56 results about "Textile effluents" patented technology

The invention belongs to the field of graphene textile wastewater treatment, and particularly relates to a graphene oxide-based zwitterionic composite filtering film as well as preparation and application thereof. The SBMA is modified to the GO surface through graft polymerization to form a physical intercalation composite structure, so that the hydrophilicity, interlayer spacing and antifouling property of the membrane are remarkably improved. The retention rate of the composite membrane on methylene blue exceeds 99%, the salt separation factor reaches 180.75, and the flux recovery rate (FRR) is kept above 80% after circulation. The membrane preparation process is green and environment-friendly, is suitable for high-efficiency separation of dye and salt in textile wastewater, and has a wide application prospect.

The invention relates to the technical field of wastewater treatment, in particular to a control method for a textile wastewater treatment system. The method comprises the following steps: collecting a textile wastewater sample and carrying out pollution factor separation treatment to obtain pollution factor separation data, and further testing the chemical properties of the pollution factor separation data; further evaluating the corrosion condition of the wastewater treatment pipeline and the dynamic aging degree of the structure according to the chemical properties of the pollution factors, and judging whether the pipeline has an abnormal fracture risk or not according to the information; by detecting the abnormal fracture condition of the pipeline structure, the wastewater leakage condition is monitored, and the damage trend of the pipeline structure to the surrounding soil ecological structure is evaluated; based on the soil damage trend, evaluating the harm degree of the textile wastewater, and further analyzing the defect condition in the wastewater treatment process according to the harm evaluation result; abnormal tracing is carried out by treating defect data, and purification treatment of the textile wastewater is completed; the textile wastewater is treated, so that the textile wastewater is discharged more safely.

The invention relates to the field of textile wastewater treatment, in particular to a fiber filtering device in a textile wastewater discharge process, which comprises a barrel with a water inlet and a water outlet, a filtering mechanism, a driving mechanism and a clearing mechanism. A fiber blocking needle capable of radially stretching and retracting is arranged in a rotary drum of the filtering mechanism and is matched and connected with a dovetail guide rail through a sliding block; a motor of the driving mechanism drives a driving plate to rotate positively and negatively through a transmission shaft, the fiber blocking needles are driven to extend out of the surface of the drum to hook fibers during positive rotation, and meanwhile, a driving block drives the drum to rotate to filter wastewater; during reverse rotation, the fiber blocking needle retracts to separate the fibers, and the driving block triggers the sensor to start the clearing mechanism. A sealing scraping plate of the removing mechanism is rotatably attached to the surface of a rotary drum through a gear set to scrape fibers, high-pressure washing is conducted through a synchronous water spraying channel, and impurities are discharged through a bottom drain outlet. The device integrates physical interception and mechanical self-cleaning, breaks through the problem that a traditional filter screen is easy to block, and realizes efficient fiber recovery and pollution-free continuous operation.

The invention belongs to the technical field of wastewater purification treatment, and particularly relates to a textile wastewater purification device which comprises two mounting columns, a mounting plate is fixedly connected to the upper portions of the two mounting columns, a fence is arranged on the opposite sides of the mounting columns, a plurality of rake teeth are arranged on one side of the fence, and the rake teeth are fixedly connected to the mounting plates. A cleaning mechanism used for cleaning solid waste collected in the rake teeth is arranged below the mounting plate, a swing frame makes contact with the interiors of the rake teeth, the solid waste lifted and transferred in the rake teeth is discharged, meanwhile, a telescopic scraping plate slides in the swing frame, and the solid waste is discharged through the telescopic scraping plate. The cleaning effect on the interiors of the rake teeth can be effectively improved, so that the rake teeth are kept in a clean and tidy state, solid waste intercepted by the fence can be cleaned, the cleaning effect of the rake teeth on waste in textile wastewater is improved, and the wastewater purification pretreatment effect of the fence is improved.

The invention relates to the technical field of textile wastewater treatment equipment, and discloses washing wastewater treatment equipment in a textile after-finishing washing process, the washing wastewater treatment equipment comprises a filter box, a screen drum is rotatably connected to the inner wall of the filter box, a semicircular plate is rotatably connected to the inner wall of the screen drum, a concave-convex ring is rotatably connected to the inner wall of the filter box, and the concave-convex ring is rotatably connected to the inner wall of the filter box. An operator injects waste water into the filter box through the water inlet pipe, then the motor is started to drive the concave-convex ring to rotate, when the concave-convex ring rotates, the roller brush transversely reciprocates on the inner wall of the screen drum through the reciprocating assembly to rub the inner wall of the screen drum, and meanwhile liquid is sprayed out towards the screen drum through the water spraying assembly. The inner wall of the screen drum is rubbed through the roller brush, so that fibers on the inner wall of the screen drum are attached to the surface of the roller brush, screen holes of the screen drum are flushed, dredged and unblocked in a matched mode, sewage filtering and self-cleaning of the screen drum are conducted synchronously, the screen drum is effectively prevented from being blocked, and continuous and efficient operation of the screen drum is guaranteed.

The invention relates to a self-adaptive backwashing treatment device for textile wastewater, and discloses a treatment device for filtering wastewater for multiple times through a plurality of groups of filter assemblies with filter screens with different precisions, monitoring blockage of the filter screens through a backwashing assembly by using a pressure sensor, accurately cleaning the filter screens, and improving the filtering speed and effect. The filtering device is characterized by comprising a flowing assembly, an integrated controller, a turbulence assembly, two drainage assemblies, three filtering assemblies and three backwashing assemblies, the filtering tank is divided into an upper filtering cylinder, a middle filtering cylinder and a lower filtering cylinder, the integrated controller is fixedly connected with the filtering tank, the two drainage assemblies are fixedly connected with the filtering tank, and the turbulence assembly is fixedly connected with the filtering tank. Wherein one end of the water pipe in one drainage assembly is communicated with the upper filter cartridge, the other end of the water pipe in one drainage assembly is communicated with the middle filter cartridge, one end of the water pipe in the other drainage assembly is communicated with the middle filter cartridge, the other end of the water pipe in the other drainage assembly is communicated with the lower filter cartridge, and the three filter assemblies are arranged in the upper filter cartridge, the middle filter cartridge and the lower filter cartridge respectively.

The utility model discloses an environment-friendly textile printing and dyeing wastewater purification device, which belongs to the technical field of textile wastewater purification, and adopts the technical scheme that the environment-friendly textile printing and dyeing wastewater purification device comprises a treatment tank, a water passing frame is arranged on the inner side of the treatment tank, baffles are fixedly connected to the front side and the rear side of the water passing frame, and filter assemblies are arranged on the two sides of the water passing frame; a water passing net is arranged at the bottom of the water passing frame, an isolation plate is fixedly connected to the inner side of the water passing frame, the treatment pond is arranged as a wastewater purification container, the arranged water passing frame can horizontally move along the inner side of the treatment pond, and filtration can be carried out through the filtering assembly while the water passing frame moves; when water flow passes through the filtering assembly, the baffle is pushed along the rotating shaft, floccules and large-size impurities in the water flow can flow into the water passing frame through the circulating groove together, movement of the water passing frame is stopped periodically, the impurities, the floccules and the like can be precipitated in the container net bag, and at the moment, the container net bag can be taken down to be cleaned or replaced.

This invention belongs to the field of multi-stage treatment of textile wastewater, specifically a high-efficiency and energy-saving textile wastewater treatment device. It includes an equalization tank with a wastewater pipe located at the rear end of the equalization tank. Two separation tanks are formed inside the equalization tank and connected by multiple connecting pipes. A rotating stirring platform is located at the bottom inner side of each separation tank, and multiple fan blades are fixed to the outer side of the stirring platform. A dissolved air flotation module is installed at the front end of the equalization tank. This design not only achieves multi-stage treatment of wastewater but also effectively adapts to the treatment process of multiple batches of different textile wastewater. It ensures that the pollution level of the wastewater injected into the treatment equipment is the same each time, allowing subsequent treatment devices to operate smoothly. Furthermore, it controls the wastewater discharge into subsequent equipment at a constant rate, reducing the problem of excessive load on the treatment device when the water volume is high.

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.

The invention discloses a chemical fiber textile wastewater integrated treatment device which comprises a pre-filtering assembly, the pre-filtering assembly is arranged to be of a bent pipe structure with an inverted triangular section, a supporting frame is fixedly installed at the bottom of the pre-filtering assembly, and a guide-in plate and a guide-out assembly are fixedly installed on the outer surface of the pre-filtering assembly. And the leading-in plate and the leading-out assembly are arranged to be of a V-shaped structure matched with the pre-filtering assembly. The invention relates to the technical field of wastewater treatment. According to the integrated treatment device for the chemical fiber textile wastewater, the chemical fiber textile wastewater flows into the V-shaped guide pipe through the guide-in plate, and the arc-shaped inverted triangular section structure guides water flow to flow directionally, so that fibers and flocculent impurities are preliminarily gathered to the bottom due to gravity. Due to the design of an arc-shaped inverted triangular section, directional flow guide of the wastewater is realized, impurities are promoted to gather by utilizing gravity, the interception efficiency of a subsequent hooking and twisting piece is improved, and the continuity and no retention dead angle of wastewater treatment are guaranteed through adaptive connection of the two ends of the V-shaped guide pipe, the guide-in plate and the guide-out assembly.

The invention discloses a textile wastewater treatment device for a loom. The textile wastewater treatment device comprises a base, a treatment bin, a supporting plate, a mounting frame and the like, a driving assembly drives a stirring plate to stir wastewater to be fully mixed with a medicament, and meanwhile, a stirring rod in an adsorption cavity is driven to rotate through a connecting mechanism, so that adsorbent precipitation is prevented, and the harmful gas purification effect is guaranteed; the lifting mechanism enables the mounting frame to drive the filter plate to lift, so that the suction head recycles waste water conveniently, and solid-liquid separation and filter plate cleaning and replacement are realized; the detachable mechanism can be used for quickly dismounting and mounting the supporting plate, so that flocculates can be treated in a centralized manner; the device integrates multiple functions, forms a complete and efficient wastewater treatment process, and effectively solves the problems of single function, poor treatment effect and the like of a traditional device.

The application discloses a textile wastewater treatment device for a textile machine and relates to the technical field of textile wastewater treatment.The device solves the problem that after the wastewater treatment device processes wastewater, the cover plate needs to be disassembled so as to clean the inner side wall of the treatment box, and the treatment box is a device for processing wastewater.Due to the large volume of the treatment box, if the inner side wall of the treatment box is cleaned alone, the labor intensity of workers is increased, and the cleaning is inconvenient.The device comprises a base, a treatment cylinder, a filter plate, a lifting mechanism, a stirring mechanism, a cleaning mechanism, an exhaust mechanism, a limiting mechanism, a connecting mechanism and a pressing mechanism.The upper end of the treatment cylinder is provided with a cover plate, and the inside of the cover plate is slidably connected with a bottom plate.The cooperation between the bottom plate and the cleaning cotton, the upward movement of the bottom plate along with the cover plate, the opening of the second rotary motor, the rotation of the mounting plate and the cleaning cotton and the convenient cleaning of the inner side wall of the treatment cylinder are achieved.

The invention relates to a multistage dynamic flow field layered treatment device for textile wastewater, and discloses a treatment device which is used for stirring sewage through a filter tank and a filter assembly to form turbulent flow for layered filtration and repeatedly washing a filter screen through a reaction assembly so as to improve the filter effect. The device is characterized by comprising a filter tank, a filter assembly and a reaction assembly, the filter assembly is arranged in the filter tank, the filter assembly is sequentially provided with a first layer filter screen, a second layer filter screen and a third layer filter screen from top to bottom, the first layer filter screen, the second layer filter screen and the third layer filter screen are different in rotating speed, and the filter screens form different dynamic flow fields in the filtering process. The contact opportunity and mode of the wastewater and the filter screen are increased, the filtering effect on impurities in the wastewater is improved, the reaction assembly feeds tiny bubbles into the wastewater, dissolved oxygen is increased to promote decomposition of organic pollutants and floating of suspended particles, the filter screen can be repeatedly washed, and blockage is avoided.

The textile wastewater treatment device for the textile machine comprises a shell, a discharging opening is formed in the lower end of the shell, and a heating assembly is arranged on the inner wall of the shell; the stirring mechanism comprises a rotating pipe rotationally connected to the top in the shell, a plurality of stirring rods are fixedly connected to the side wall of the rotating pipe at equal intervals, a plurality of stirring pipes are fixedly connected to the outer side of the lower end part of the rotating pipe at equal intervals, and the stirring pipes communicate with the rotating pipe; a mounting frame is fixedly connected to the upper end of the shell, a driving motor is mounted on the mounting frame, an output shaft of the driving motor penetrates through the shell, and belt wheels are mounted on the output shaft of the driving motor and the rotating pipe. In the using process of the wastewater treatment device, the sedimentation reaction of a water body and a flocculating agent can be promoted, so that the treatment efficiency is improved, and in addition, after sedimentation is completed, solids and liquid in the water body can be rapidly separated through the filtering part.

The present application relates to the technical field of textile wastewater treatment, and discloses a textile fabric dyeing tail water treatment equipment, which comprises a processor, the processor comprises upper and lower upper and lower shells, the upper and lower shells are internally provided with upper and lower arc-shaped metal plates in an arc shape, the upper and lower arc-shaped metal plates are matched with each other, and the upper and lower arc-shaped metal plates are respectively provided with upper and lower end plates at two ends. A rotating shaft is rotatably arranged between the two lower end plates, and a plurality of treatment sheet layers for collecting fluff are arranged on the outer side of the rotating shaft.

The invention discloses a method for efficiently treating and recycling textile wastewater through catalysis of authigenic copper phthalocyanine, and belongs to the technical field of textile wastewater treatment. According to the method disclosed by the invention, the oxidizing agent is activated in situ by using the existing copper phthalocyanine in the wastewater to generate singlet oxygen with mild oxidation potential and high selectivity, so that broad-spectrum high-efficiency degradation and decolorization of various synthetic dyes can be realized at normal temperature and normal pressure, and the decolorization efficiency is excellent; the damage of free radicals to the structure of the copper phthalocyanine is avoided, the structure of the copper phthalocyanine is kept stable in the reaction process, and high-purity recovery can be realized through physical means such as simple filtration; in addition, additional complex catalyst preparation and functional modification are not needed, the system reaction is mild, the treatment process is green and environment-friendly, and engineering implementation and amplification are facilitated; in conclusion, the method not only improves the environmental performance and economic benefits of dye wastewater treatment, but also provides theoretical basis and technical support for industrial pigment / dye-containing wastewater resourceful treatment, and has wide application prospects and industrial popularization values.

The application discloses a kind of self phthalocyanine copper catalytic textile wastewater efficient treatment and recovery method, belong to textile wastewater treatment technical field.The application utilizes existing phthalocyanine copper in wastewater in-situ activation oxidant, generates with mild oxidation potential and high selectivity singlet oxygen, can realize the broad-spectrum efficient degradation decolorization efficiency of various synthetic dyes at normal temperature and pressure;And avoid the damage of free radical to phthalocyanine copper structure, so that phthalocyanine copper maintains structure stability in the reaction process, and high-purity recovery can be realized by simple filtration and other physical means;In addition, the application does not need additional complex catalyst preparation and functional modification, system reaction is mild, and the treatment process is green and environmentally friendly, easy for engineering implementation and amplification;As described above, the application not only improves the environmental performance and economic benefits of dye wastewater treatment, but also provides a theoretical basis and technical support for industrial pigment / dye wastewater resource treatment, with wide application prospect and industrial popularization value.

The invention relates to a treatment method of textile wastewater. The invention provides a method for treating textile wastewater and a method for recovering Na2SO4 by using the method for treating textile wastewater, wherein the energy consumption is lower, and high Na2SO4 permeability and high dye retention can be obtained. The present invention relates to a method for treating textile wastewater, the method comprising a separation step for treating textile wastewater containing Na2SO4 and an anionic dye by using a nanofiltration membrane, the nanofiltration membrane is an anion-charged nanofiltration membrane, and the anionic dye is contained in an amount of 1.5 mass% or less relative to the Na2SO4 in the supply liquid supplied to the nanofiltration membrane, so that a permeated liquid in which the Na2SO4 selectively permeates and a concentrated liquid in which the anionic dye is concentrated are obtained.

The invention belongs to the technical field of printing and dyeing wastewater treatment, and particularly relates to energy-saving and environment-friendly textile wastewater treatment equipment which comprises a purification cylinder, two three-phase separators are fixedly connected to the interior of the purification cylinder; the tops of the two three-phase separators are fixedly connected with gas guide pipes; the top of the purification cylinder is fixedly connected with an overflow pipe; the top surface of the purification cylinder is fixedly connected with a gas-liquid separation tank; the gas guide pipe extends into the gas-liquid separation tank, and activated carbon is arranged in the gas-liquid separation tank; a graphite column is mounted on the bottom surface of the purification cylinder; a plurality of uniformly arranged through holes I are formed in the end surface of the graphite column; a plurality of uniformly arranged through holes II are formed in the side surface of the graphite column, and the graphite column and the through holes I and the through holes II in the surface of the graphite column are arranged, so that the printing and dyeing wastewater entering the purification cylinder is heated, and the temperature in the purification cylinder can still be kept at a temperature suitable for microbial growth in winter; further, the decomposition efficiency of the biological sludge inside is ensured.

The application belongs to the technical field of wastewater purification treatment, and particularly relates to a textile wastewater purification device, which comprises two mounting columns, a mounting plate fixedly connected to the upper portions of the two mounting columns, a fence arranged on the opposite side of the mounting column, a plurality of harrow teeth arranged on one side of the fence, a cleaning mechanism arranged below the mounting plate and used for cleaning solid wastes collected in the harrow teeth, and a stretchable scraper arranged in the fence and used for sliding in the fence. The stretchable scraper can effectively improve the cleaning effect of the harrow teeth, keep the harrow teeth clean and tidy, clean the solid wastes intercepted by the fence, improve the cleaning effect of the harrow teeth on the wastes in the textile wastewater, and improve the wastewater purification pretreatment effect of the fence.

This invention proposes the design of a high-performance hybrid magnetic material for removing pollutants from industrial textile wastewater containing methylene blue. This material, a bimetallic oxide modified with plant-derived seeds, was evaluated for its adsorption capacity in synthetic wastewater saturated with methylene blue (concentration 10-140 ppm). Optimization of the various process parameters was carried out in batch mode to determine the optimal protocol for removing the target dye. This invention reveals that the magnetic adsorbent is highly effective against methylene blue, with an approximate removal rate of 100% over a very short period of 15 minutes at pH 6.48. The ease of retrieving this magnetic adsorbent with a simple magnet and its regeneration in several cycles without losing its effectiveness encourages its application on an industrial scale.

The application belongs to the field of multi-stage treatment of textile wastewater, in particular to a high-efficiency energy-saving multi-stage textile wastewater treatment device, which comprises a regulating tank, a wastewater pipe is arranged above the rear end of the regulating tank, two separation tanks are arranged in the regulating tank, the two separation tanks are connected through multiple communication pipes, a rotatable stirring table is arranged at the inner bottom of the separation tank, multiple fan blades are fixedly connected to the outer side of the stirring table, a dissolved air flotation module is installed at the front end of the regulating tank, through the above arrangement, the multi-stage treatment effect of wastewater is realized, the treatment process of multiple batches of different textile wastewater is effectively adapted, the pollution degree of wastewater injected into the treatment equipment each time can be ensured to be the same, the subsequent treatment device can work smoothly, and wastewater can also be discharged to the subsequent equipment at a constant rate, thereby reducing the problem of excessive load of the treatment device at high water volume.

The invention relates to the technical field of textile wastewater treatment, in particular to a textile wastewater treatment device which comprises an equipment body used for conducting flocculation treatment on textile wastewater, the equipment body comprises a reaction area, a contact area, a separation area and a sludge area, and two chain type conveying belts are installed at the top of the separation area and close to one end of the sludge area; a plurality of scraping plates are mounted on the outer side between the two chain type conveying belts, scum on the liquid level of the separation area is scraped to the sludge area by the scraping plates, the separation cover is located above the two chain type conveying belts, and a scraping opening is formed in the bottom of the separation cover; according to the multi-shaft drive positioning and fixing device for PCB spot welding, the separation cover can be matched with the moving scraper to scrape away hard particles or hard fibers, grease, colloid and other substances on the outer side of the scraper, the situation that the scraper is abraded by the substances attached to the outer side of the scraper is prevented, and meanwhile it is guaranteed that the scraper can fully scrape away scum.

The utility model discloses a textile wastewater purification device capable of conveniently cleaning sinking impurities. The textile wastewater purification device is used for purifying textile wastewater. The textile wastewater purification device comprises a wastewater pool, a pool cover arranged at the top of the wastewater pool, an aeration purification structure located in the wastewater pool and a sewage collection assembly arranged on the aeration purification structure. The aeration purification structure comprises a jet aerator, four groups of bearing columns fixedly mounted on the jet aerator, an air inlet pipe fixedly connected to the central position of the top of the jet aerator in a penetrating manner, and a filter screen fixedly mounted on the jet aerator in a penetrating manner. The dirt collecting assembly comprises a grating plate, a filter bag, four groups of positioning rings and binding ropes which are arranged between the filter bag and the corresponding positioning rings in a binding manner. According to the utility model, wastewater and pressed-in air are fully mixed through oxygenation, the wastewater purification efficiency is improved, in addition, the anti-blocking effect is excellent so as to ensure that aeration oxygenation is stably carried out, meanwhile, the device has a fence interception function, and impurities are convenient to clean.

The invention discloses a textile printing and dyeing wastewater treatment device, and particularly relates to a flocculation treatment process technology of textile sewage, the textile printing and dyeing wastewater treatment device comprises a flocculation tank, a micro-sand polymerization tank and a clarification tank which are sequentially arranged along the flow direction of the sewage, and a baffle plate is arranged between the micro-sand polymerization tank and the clarification tank; a water outlet which is formed by the baffle plates and enters the clarification tank is infinitely close to the tank bottom of the clarification tank, and a sand blocking baffle module which is distributed above the water outlet is fixedly mounted in the clarification tank; the sand blocking baffle module is composed of a plurality of inclined plates distributed in a matrix mode, and first elastic shifting plates are arranged on the inclined plates at intervals. The movable frame horizontally moves back and forth in the sewage flowing direction. According to the device, light floc can be subjected to secondary trapping and sedimentation strengthening near the water outlet, the possibility that the floc is lost along with effluent is reduced on the premise that energy consumption and the dosage of chemicals are not remarkably increased, and the solid-liquid separation efficiency of textile wastewater is improved.

The invention relates to the technical field of textile wastewater treatment, in particular to wastewater treatment equipment of a water-jet loom. Comprising a treatment platform, and two mounting grooves are formed in the top of the treatment platform; a pretreatment box and a flocculation box are respectively arranged in the two groups of mounting grooves. According to the treatment equipment disclosed by the invention, after wastewater passes through a plurality of groups of first filtering holes in the filtering ring, large-volume impurities are filtered, meanwhile, the filtering ring is controlled to rotate slowly, and after the large-volume impurities on the filtering ring rotate to a sewage collecting tank along with the filtering ring, the large-volume impurities are filtered; the scraping plate attached to the outer wall of the filtering ring can scrape large-size impurities and concentrate the large-size impurities between the scraping plate and the sealing plate, then the sewage collecting plate can be pulled out for centralized treatment of the large-size impurities, and the problem that the large-size impurities such as waste yarn ends and fibers are prone to being stacked and wound on an intercepting net to affect water flowing is solved; the working effect of the treatment device is improved, and the collection effect of large-volume impurities is also improved.

The invention belongs to the technical field of textile wastewater treatment, and particularly relates to textile wastewater pretreatment equipment and method for reducing sludge yield, the textile wastewater pretreatment equipment comprises a wastewater treatment pond, the wastewater treatment pond is composed of a sedimentation pond, two filtering ponds and an air floatation pond, the surface of one side of the sedimentation pond is fixedly communicated with a sewage inlet pipe, and the two filtering ponds are arranged side by side; a through opening communicated with the sedimentation tank is formed in the surface of one side of each filter tank in a penetrating manner, a floating mechanism is arranged on the upper surface of the sedimentation tank, a gate opening mechanism is arranged on the inner side wall of each through opening, and a fishing mechanism is arranged in each filter tank. According to the textile wastewater pretreatment equipment and method capable of reducing the sludge yield, through movement and lifting of the hollowed-out bucket in the sedimentation tank and cooperation of the overturning air cylinder, automatic collection and discharge of large floating objects are achieved, the tedious and sanitary problems caused by manual cleaning are avoided, the large floating objects are effectively removed, and the sludge yield is reduced. The burden of a subsequent treatment unit is reduced, and the output of sludge is reduced.

The invention relates to the technical field of textile wastewater treatment, in particular to a textile wastewater reclaimed water zero-discharge recycling treatment system which comprises a pretreatment unit, a low-salt textile wastewater treatment unit and a low-salt textile wastewater treatment unit. The pretreatment unit comprises a grating tank, a pH regulating tank, a coagulation and flocculation tank, a sedimentation tank and a detection device; the low-salt textile wastewater treatment unit comprises a low-salt textile wastewater pool, an anaerobic pool, an aerobic pool, a mud-water separation pool, a reverse osmosis membrane, a primary reuse water storage tank, a sludge pool and sludge dewatering equipment; the high-salt textile wastewater treatment unit comprises a high-salt textile wastewater pool, an ultrafiltration membrane, a high-pressure reverse osmosis membrane, a DTRO membrane, an evaporation crystallizer and a secondary reuse water storage tank. Aiming at quality-divided treatment of the salt content of the textile wastewater, the wastewater with low salt content is filtered by a biological method and a reverse osmosis membrane to obtain reuse water; high-pressure membrane decrement concentration and evaporative crystallization are adopted for wastewater with the high salt content, and zero discharge of sewage is achieved.

The invention discloses a continuous anti-clogging textile wastewater treatment system based on double-bin alternate filtration, and relates to the technical field of textile wastewater treatment, the continuous anti-clogging textile wastewater treatment system specifically comprises a filter bin and communicating pipes, the filter bin is composed of two side sealing cylinders, the two side sealing cylinders are communicated through the communicating pipes installed up and down, and the communicating pipes on the two sides are opened; according to the double-bin alternate filtering system provided by the invention, a complex valve group is replaced by mechanical linkage, timed switching is replaced by dynamic pressure difference triggering, and an interception lamination self-loosening structure is innovatively developed, so that the problems of wastewater fiber interception backflushing cleaning operation, residue discharge through a waste discharge pipe and shutdown maintenance caused by blockage of a traditional single filter element are solved; breakthrough progress is achieved in the aspects of continuity guarantee rate, maintenance cost and fiber impurity adaptability, and an efficient, stable and low-consumption technical path is provided for textile wastewater treatment.

The invention provides a textile wastewater pretreatment filtering device with a self-dredging function, and relates to the technical field of sewage treatment. A motor frame is fixedly mounted at the middle lower position of the front end of the filter box, and a motor is fixedly mounted at the top position of the motor frame. The motor drives the rotating roller brush to rotate synchronously through the transmission belt, the rotating roller brush can clean the filter cartridge and can also clean sundries attached to the brush plate frame when making contact with the brush plate frame, synchronous cleaning of the filter cartridge, the arc-shaped filter frame and the brush plate frame is achieved, cleaning is more comprehensive, the right side of an inclined scraping plate in the transfer frame is attached to the rotating roller brush, and the rotating roller brush can rotate synchronously. Sundries attached to the rotating roller brush can be scraped away, and it is ensured that the rotating roller brush continuously keeps good cleaning capacity. The problems that the cleaning effect is poor and long-term stable operation of the device is affected due to the fact that part of filtering devices cannot clean filtering components comprehensively, only a single filtering component can be cleaned, and related linkage components are difficult to clean synchronously are solved.