6469results about "Sludge treatment" patented technology

The invention discloses an intelligent monitoring system for sewage treatment in the coal chemical industry, and relates to the technical field of sewage treatment.The intelligent monitoring system is characterized in that a water quality monitoring unit is used for collecting parameters such as COD, turbidity, pH and heavy metal ion concentration in real time, the change trend of water quality in a short time is predicted through a long-short term memory (LSTM) network, and then adding parameters of a flocculating agent are dynamically calculated; the defects of a fixed adding curve or artificial experience adjustment are overcome, so that the adding amount, the type and the speed of the flocculating agent can be adaptively adjusted to be matched with the change of sewage components; the addition optimization unit is combined with a CNN-LSTM model to analyze the rheological characteristics of the sludge, so that the addition of the flocculating agent adapts to the rheological change of the sludge, the flocculation effect is optimized, and the sludge settling performance is improved; meanwhile, the stirring control unit adjusts the stirring strength and time in real time based on ultrasonic online monitoring data, so that the flocculating agent is fully dispersed, the particle distribution state is optimized, the flocculation reaction is more uniform, and the subsequent precipitation separation efficiency is improved.

The invention discloses a stepped treatment process for multi-path recycling of oil and gas field drilling mud, which comprises the following steps: oxidizing and breaking gel of the drilling mud to scatter the mud structure, and then granulating and coagulating; then, carrying out the following gradient treatment: step 1, filtering the outlet water of granulation and coagulation, and taking the filtrate as reinjection water; step 2, carrying out nucleation granulation reaction on the filtrate obtained in the step 1, using effluent for preparing drilling fluid, and carrying out solid waste treatment on solid-phase crystal seeds and solid-phase mud cakes subjected to granulation and coagulation; and step 3, carrying out ozone flotation reaction on the effluent obtained in the step 2, wherein the effluent is used for preparing the guanidine gum fracturing fluid. According to the method, resource recycling of the waste drilling mud is achieved, the usage amount of a gel breaker in a traditional gel breaking and filter pressing technology is reduced, a filter pressing plate is omitted, the treatment efficiency in the mud recycling treatment process is improved, the treatment cost of the waste water-based drilling mud is reduced, different recycling ways can be met, and the method is suitable for popularization and application. And specific operation is flexible and changeable.

A filter press includes a fabric stacking device, a filter press frame assembly, and a filter press device. The filter press frame assembly includes a filter press frame and a base plate. The filter press device includes a base, a main hydraulic cylinder, and a pressure plate. The fabric stacking mechanism includes a frame, a filter cloth operating assembly, a sludge discharge mechanism, a sludge separating and pressing mechanism, a pressing roller, and a fabric stacking and feeding mechanism. The filter cloth operating assembly includes a cloth winding mechanism, a winding and measuring mechanism, and a filter cloth correction mechanism. The cloth winding mechanism includes a cloth winding roller that can move along its own axial direction and rotate around its own axis. The cloth winding roller adjusts its position by moving along its own axial direction according to the detection result of the winding and measuring mechanism. The sludge separating and pressing mechanism includes a pressing plate with a horizontally arranged pressing part. The setting height of the pressing roller is adjustable, and the axis of the pressing roller is perpendicular to the moving direction of the lower filter cloth. The fabric stacking and feeding mechanism is located at one end of the frame and is used to transport sludge bags formed by the upper and lower filter cloths wrapping sludge. This invention can automatically correct the filter cloth deviation, keep the filter cloth flat, and prevent sludge leakage.

The invention relates to the technical field of sewage treatment, and discloses spodumene flotation tailing water treatment equipment which comprises a plate-and-frame filter press and a feed flow real-time control system electrically connected with the plate-and-frame filter press. According to the system, a slurry characteristic coefficient, a power supply coefficient, a dynamic matching coefficient and a filter cloth state coefficient are respectively obtained in real time through a slurry state evaluation module, a power evaluation module, a process dynamic matching module and a filter cloth state evaluation module. And dynamically calculating and adjusting the target feeding flow by the feeding flow adjusting and controlling model according to the coefficients. According to the invention, through multi-parameter collaborative sensing and intelligent matching, the dynamic adaptation of the feed flow, the slurry characteristics, power supply and the state of the filter cloth is realized, the technical problems of poor adaptability, control lag, easy damage of the filter cloth and high energy consumption of the traditional plate-and-frame filter press under complex working conditions are effectively solved, and the treatment efficiency and the operation stability are remarkably improved.

The invention discloses a mud flocculation filter-press dehydration treatment device and a dehydration method, the treatment device is formed by sequentially connecting a vibration screening device, a flocculation stirring cavity and a filter-press dehydration device, and the flocculation stirring cavity is connected with a flocculant grouting device through a grouting pipe; according to the dehydration method, the coagulation filter-press dehydration treatment device is adopted, the slurry can be subjected to suction filtration and screening, meanwhile, the requirement of a flocculant is effectively controlled, the stirring speed is controlled to achieve sufficient stirring, and under the action of a water suction pump, the slurry subjected to sufficient flocculation and stirring can be conveyed to a filter-press integrated space to be subjected to efficient filter-press dehydration to form a mud cake to be conveyed out of a site; the method has the advantages of high efficiency, convenience, high controllability and the like.

The utility model provides a cloth pressing assembly and water-containing material dewatering equipment, the cloth pressing assembly comprises a pressing rod which is used for pressing filter cloth and extends along the horizontal direction, and an angle is formed between the length direction of the pressing rod and the laying direction of the filter cloth; the limiting component is at least arranged on the side, facing the laying direction of the filter cloth, of the pressing rod, and the limiting component is attached to the pressing rod. According to the utility model, through the arrangement of the limiting component, when the pressing rod is subjected to the horizontal acting force of the filter cloth, the pressing rod can be propped through the limiting component, particularly, one side, facing the laying direction of the filter cloth, of the pressing rod is propped, so that the pressing rod is prevented from displacing along the horizontal direction, and the pressing effect of the pressing rod on the filter cloth is ensured.

The present invention provides to a filter residue treatment device, comprising a means for supplying a pressurized fluid, a housing comprising a) a first inlet for the introduction of a medium different from the pressurized fluid and comprising a filter residue and b) a second inlet for the introduction of the pressurized fluid and an inflatable or flexible means comprised in the housing and configured and arranged for being operated by the pressurized fluid such that in an inflated or flexed state it pushes the filter residue comprised in the medium introduced through the inlet towards a filter means.

The invention discloses a microwave sludge drying treatment system, and relates to the technical field of sludge treatment.The microwave sludge drying treatment system comprises a conveying belt penetrating through a microwave drying cavity, the conveying belt is provided with a uniform leveling mechanism, and the uniform leveling mechanism comprises a leveling assembly, a microwave drying assembly and a microwave drying assembly; a plurality of interval grooves are formed in one side edge of the cross beam plate, cutting units are arranged in the interval grooves in a matched mode, the cutting units can flush and cut off sludge in the interval grooves in the moving state, and the conveying belt provides driving force for movement of the cutting units in the running process. The uniform leveling mechanism is arranged on the conveying belt for feeding at the front end of the microwave drying cavity, so that on one hand, sludge particles can be located on the conveying belt at a proper thickness capable of ensuring complete penetration of microwaves, and on the other hand, generation of large sludge blocks can be avoided; the sludge particles can be favorably dried in an excellent and efficient manner when passing through the microwave drying cavity.

The utility model relates to the technical field of sludge treatment, in particular to industrial wastewater sludge treatment equipment, which comprises an equipment main body, a dewatering box, a water pump arranged on the side surface of the dewatering box, and a water tank, the dewatering assembly comprises a filter screen plate arranged on the inner wall of the dewatering box in a sliding mode and a hydraulic rod fixedly arranged on the inner bottom wall of the dewatering box, the telescopic end of the hydraulic rod is fixedly connected with the lower surface of the filter screen plate, and a sealing cover plate is arranged on the upper surface of the dewatering box. According to the sludge dewatering device, the sludge pushing assembly and the triggering assembly are arranged, after the filter screen plate moves upwards to extrude and dewater sludge, dewatered sludge blocks can be driven to be automatically moved out of the dewatering box, and finally the driving motor is started to automatically and fully discharge the sludge blocks; further, the equipment breaks through the mode of dewatering the sludge by extruding from top to bottom in the prior art, and the defect that intercepted sludge blocks cannot be quickly discharged in the prior art is effectively overcome.

The invention belongs to the field of oil and gas field wastewater treatment, and particularly relates to a shale gas fracturing flowback wastewater treatment system and method, and the system comprises treatment units such as adjustment homogenization, dissolved air flotation, multi-stage chemical precipitation, coagulation separation, electrochemical catalytic oxidation, membrane treatment and magnetic control evaporative crystallization. The dissolved air flotation unit generates micro-nano bubbles through a venturi-rotational flow coupling device and cooperates with PAC / PAM to realize efficient flotation; softening agents are added into the multi-stage sedimentation tank by stages, closed-loop control is carried out, and soluble barium, boron, fluoride and hardness are removed; the electrochemical oxidation unit strengthens mass transfer through ultrasonic waves and degrades organic matters difficult to treat; the membrane treatment realizes up-to-standard discharge of wastewater through a hollow fiber membrane bioreactor-roll type ultrafiltration membrane-anti-pollution type reverse osmosis membrane integrated system; the magnetic control evaporation crystallizer utilizes the magnetic field gradient and the temperature gradient to cooperatively regulate and control the crystallization process, the membrane separation strong brine is subjected to quality separation treatment, and high-purity salt products are produced. The method provided by the invention can effectively realize up-to-standard discharge treatment of shale gas fracturing flowback wastewater and resource utilization of evaporative crystallization salt, is also suitable for treating shale gas recovery wastewater with similar water quality characteristics, and has good popularization and application prospects.

The present invention discloses a mud concentration treatment device in sewage treatment, which belongs to the technical field of mud concentration treatment. The mud concentration treatment device in sewage treatment comprises a sewage treatment box, and slopes are provided on both sides of the bottom surface of the sewage treatment box. The slopes divide the two sides of the sewage treatment box into a gravity concentration area and an extrusion area, and a first scraper is installed between the gravity concentration area and the extrusion area of ​​the sewage treatment box. An extrusion transport mechanism is provided on one side of the first scraper, and the extrusion transport mechanism is located in the extrusion area of ​​the sewage treatment box, which is used to elastically hammer and extrude the mud and reduce the water removal time of the mud. The present invention can significantly improve the dehydration efficiency, improve the solid-liquid separation effect, reduce blockage, and extend the life of the filter belt by adopting a rapid dehydration mechanism and an extrusion transport mechanism. At the same time, it can also reduce energy consumption and operating costs, and enhance the adaptability and processing capacity of the equipment.

The invention discloses a riverway sludge treatment method, and relates to the technical field of riverway cleaning. An intelligent desilting ship is adopted, a sensor, an intelligent control system and an intelligent sludge treatment system are installed on the intelligent desilting ship, the sensor is used for data collection, and a camera, a laser radar, an ultrasonic sensor, a conductivity sensor and a water quality analyzer are adopted as the sensor; the intelligent control system adopts intelligent recognition algorithm model training, and comprises image processing and analysis, three-dimensional model reconstruction, deep learning and machine learning, data fusion and analysis, and decision support and visualization. The intelligent desilting ship is adopted, the sensor, the intelligent control system and the intelligent desilting system are loaded on the ship, after various data of river sludge are collected through the sensor, the intelligent control system intelligently fuses the sludge data through the intelligent training module, and finally an instruction is sent out to control the intelligent desilting system to precisely treat the sludge. And full intelligentization of river sludge treatment is realized.

The invention belongs to the technical field of sludge treatment, and relates to a river channel remediation sludge treatment device which comprises a mounting base, a separation cylinder, a rotary cover, a support, a discharging cylinder, a control panel, a discharging frame and a material guide ring, the top of the mounting base is connected with the separation cylinder, and the middle of the upper portion of the separation cylinder is rotationally connected with the rotary cover; the bottom of the separation barrel is provided with a discharge port for discharging sludge, the top of the separation barrel is connected with a bracket, the bracket is connected with a blanking barrel, the mounting seat is provided with a control panel, the bottom of the blanking barrel is communicated with a discharge frame, and the discharge frame is rotatably connected with a guide ring. When the sludge treatment device is used for treating sludge, a plurality of rotatable filter cartridges are arranged, and in the rotating process of the filter cartridges, the processes of sludge adding, water extruding, sludge discharging and the like are sequentially completed; all procedures are continuously carried out, and shutdown for sludge discharge in the treatment process is not needed, so that the treatment process is high in continuity, and the treatment efficiency is improved.

The utility model relates to the technical field of sewage treatment, in particular to a rapid sludge dewatering device for sewage treatment, which comprises a barrel, a connecting barrel communicated with the inside of the barrel is fixedly connected to the center of the bottom of the barrel, and an outer barrel is fixedly connected to the bottom end of the connecting barrel. According to the sewage treatment device disclosed by the utility model, the conveying auger can be driven to rotate through the rotating shaft I, and meanwhile, the reciprocating screw rod can be driven to rotate through the conveying auger, so that the extrusion plate can be driven to move up and down in the separation barrel in a reciprocating manner; in this way, sewage can be extruded and separated out from the multiple round holes in the outer wall of the separation barrel, the dehydration effect is enhanced, the sewage is discharged into the filtering piece through the drainage pipe to be filtered, and therefore sludge particles and the like in the sewage can be removed again, and the sewage treatment efficiency is improved. And an extrusion plate slides downwards to drive a scraping ring to scrape off sludge on the inner wall of the separation cylinder, so that the dehydration structure is prevented from being blocked.

The utility model discloses a crawler-type sludge dewatering machine, which relates to the technical field of dewatering machines and comprises a machine frame, a feeding port is fixedly installed on the top of the machine frame, a material conveying mechanism is arranged on one side, close to the feeding port, in the machine frame, and a dewatering mechanism is arranged in the machine frame. All gears are fixedly mounted on the outer sides of the four rotating shafts, the all gears are in meshed connection, half gears are fixedly mounted on the outer sides of the two rotating shafts and located below the all gears, a fixing plate is fixedly mounted on one side of the rack, and a plurality of connecting rods are fixedly mounted at the bottom of the fixing plate; the sludge dewatering device has the beneficial effects that the first motor is started, the half gear and the rack are matched to drive the fixing plate to reciprocate, and the bottom of the connecting rod is in contact with the outer side of the conveying belt, so that sludge above can be flattened, the sludge is prevented from being accumulated together and entering a dewatering mechanism, and the sludge dewatering effect of the device is further improved.

The invention relates to the technical field of treatment devices, and discloses a hydraulic engineering safe sludge treatment device which comprises a shell, supporting legs are fixedly connected to the front portion of the shell, and a supporting plate is fixedly connected to the tops of the supporting legs; when sludge treatment is started, the sludge suction pipe is placed in a place with excessive sludge, the sludge suction pipe sucks the sludge into the filter barrel through the water suction pump, and the sludge sucked into the filter barrel can be dehydrated, so that the volume of the sludge is reduced, moisture in the dehydrated sludge is removed, and the volume is obviously reduced; the subsequent storage and transportation cost of the sludge can be effectively reduced, meanwhile, the situation that water filtering holes in the inner wall of the filtering barrel are blocked, so that separated water cannot be discharged is avoided, and substances such as branches and leaves mixed in the sludge can be smashed, so that the sludge and the branches can be fully mixed, and subsequent transportation is facilitated.

The invention discloses a desilting robot with dewatering and packaging functions, and relates to the field of mud-water separation devices.The desilting robot comprises a frame, the frame can be installed on self-propelled transportation equipment and is fixedly provided with a first mud-water bin with an upper opening and a second mud-water bin of a box structure, and an installation box is installed above the first mud-water bin; a vibration box is installed in the vibration box through an elastic assembly, a first filter plate and a second filter plate which are used for repeatedly filtering muddy water are arranged in the vibration box in a staggered mode, the extrusion bin is installed at the end, where mud blocks fall, of the vibration box, and an extrusion mechanism used for extruding the mud blocks is arranged in the extrusion bin; and a water return port is formed in the top end of the first muddy water bin towards the bottom end of the extrusion bin. The dewatering efficiency is remarkably improved, the water content of mud blocks is reduced, the dewatered mud blocks are extruded to further reduce the water content of the mud blocks, discharged mud cakes can reach the standard of direct bagging and transportation, and leakage pollution in the transportation process is effectively avoided.

The invention discloses a BOE waste liquid treatment method and device. The method comprises the following steps: replacing hydrogen fluoride in BOE waste liquid with sulfuric acid, evaporating, fractionating and recovering hydrofluoric acid, neutralizing evaporated residual liquid with ammonia to obtain a fluorine-containing ammonium sulfate solution, defluorinating with fluorgypsum slurry to obtain a low-fluorine ammonium sulfate solution, and concentrating and crystallizing to obtain an ammonium sulfate product. The BOE waste liquid is treated by adopting the scheme, the bottleneck of the market capacity of ammonium bifluoride is avoided, the hydrofluoric acid product and the ammonium sulfate product with huge market capacity are produced, the value orientation of turning waste into wealth, circular economy and environmental protection is really realized, and the method is suitable for industrial popularization and application.

The invention relates to the technical field of wastewater treatment, in particular to a wastewater treatment system and process based on anaerobic digestion and biological contact oxidation, the wastewater treatment system comprises a pretreatment unit, a biological treatment unit, a precipitation separation unit, a sludge treatment unit and an auxiliary equipment unit, and all the units work cooperatively. Pollutants in the waste water can be effectively removed, and the environment-friendly emission standard or the recycled water quality requirement is met; the system effectively intercepts impurities and regulates water quality through pretreatment units such as the grating channel and the primary sedimentation tank; anaerobic treatment, anoxic treatment and aerobic treatment are combined, organic matters are efficiently degraded, and pollutants are removed; water quality is clarified through the sedimentation tank to ensure that effluent stably reaches the standard; the sludge treatment unit effectively collects and treats sludge, and the treatment difficulty is reduced; a quartz sand filtering and PAM and PAC adding system is utilized, so that the treatment effect is further improved, and the effluent quality is ensured; meanwhile, the process is efficient in treatment, proper in sludge treatment and excellent in effluent quality.

The invention relates to the technical field of drilling waste treatment, in particular to a drilling slag slurry multi-stage circulation treatment system and method.The drilling slag slurry multi-stage circulation treatment system comprises an automatic grading module, a dynamic monitoring module, a slurry purification module, a separation optimization module, a waste slag classification recycling module and an intelligent control module; wherein the automatic grading module comprises a particle identification unit and a variable frequency grading unit; the particle identification unit is used for carrying out real-time detection on the size, the form and the density of particles in the drilling slag and the slurry through a multispectral sensor; the variable-frequency grading unit is used for adjusting the grading speed according to the detection data provided by the particle identification unit and carrying out dynamic grading on the particles; the dynamic monitoring module comprises an online sensor and a data analysis unit; according to the invention, through intelligent monitoring and automatic adjustment technologies, efficient grading, filtering and separation of drilling slag slurry and intelligent classification of waste slag are realized, and efficient operation of the system, improvement of the resource recovery rate and reduction of environmental pollution are ensured.

The invention provides a control method of a multistage sludge screening device. The method is applied to a multi-stage sludge screening device, the multi-stage sludge screening device is used for screening sludge of a sewage treatment unit, and the multi-stage sludge screening device comprises a first number of first cyclones, a second number of second cyclones and a third number of third cyclones, the specification parameters of the first swirler, the second swirler and the third swirler are gradually reduced; the method comprises the following steps: acquiring real-time performance parameters of sludge of a sewage treatment unit; and controlling partial opening or simultaneous opening of the first pipeline, the second pipeline and the fourth pipeline based on the real-time performance parameters. According to the control method of the multistage sludge screening device, targeted improvement is carried out according to the actual sludge condition of the sludge treatment unit, and the sewage treatment efficiency is effectively improved.

The invention discloses a high-pressure belt conveyor low-cost sludge dewatering technology, and relates to the technical field of sludge dewatering, the technology comprises the following steps: S1, in a pretreatment stage, adding a ferric chloride agent and destroying a sludge colloid structure; s2, in the conditioning stage, lime powder is added to adjust the pH value, and a porous skeleton structure is constructed; s3, adding a polyacrylamide medicament in a flocculation stage to form a compact floc; s4, a high-pressure belt filter press is used for mechanical dehydration in the dehydration stage; s5, recovering the filtrate for redissolving the medicament; s6, performing dynamic linkage optimization of chemical dosing and filter pressing parameters through a dynamic chemical dosing algorithm of the control system; the dosage of chemicals is effectively reduced, the sludge dewatering effect is improved, the sludge dewatering treatment cost is reduced, and the cyclic utilization of resources is realized; the technical problems that an existing sludge dewatering technology is too high in agent cost, low in agent matching and combination reliability and insufficient in technology adaptability are solved.

The present invention relates to the technical field of livestock manure cleaning equipment, and specifically discloses a manure cleaning device for farm management, including a cleaning frame, a collecting frame is fixedly provided on the top of the cleaning frame, and a movable cover is flipped on the top of the collecting frame, and also includes: a conveying unit, a cleaning unit and a post-processing unit, and the conveying unit includes a conveying bin, and the conveying bin is fixedly provided on one side of the cleaning frame. The cleaning frame is designed with a structural combination of a driving motor, a driving wheel, a moving wheel and a hand frame, which reduces labor intensity and facilitates flexible mobile cleaning; the structural combination design of the movable cover of the collecting frame, the flushing ring pipe, the water storage tank and the water pump ensures internal cleaning and manure delivery efficiency, and the solid-liquid separation frame and the discharge port control component facilitate manure classification and processing and precise discharge, reduce labor intensity and pollution risks, and ensure farm hygiene and manure resource utilization.

The invention provides a dirty oil sludge treatment method and skid-mounted dirty oil sludge treatment equipment, the method comprises treatment of dirty oil, aged oil, oily sludge and the like, and the main steps are as follows: short-time demulsification is performed through special equipment, and then primary and secondary centrifugal separation is performed to separate water, solid residues and other impurities in the dirty oil sludge, so that the dirty oil sludge is treated. And reduction and recycling of the oil sludge are realized. According to the skid-mounted dirty oil sludge treatment equipment, dirty oil sludge is pumped to a filter to remove large-particle-size impurities, then the dirty oil sludge enters a preheater to be heated, and the heated dirty oil enters a core treatment unit to be subjected to high-energy physical nucleation demulsification; feeding the demulsified sump oil into a horizontal screw centrifuge for solid-liquid separation, and bagging the separated solid residues or feeding the separated solid residues into a sludge drying pry; feeding a separated liquid phase into a three-phase disc centrifuge, carrying out oil-water separation, conveying separated oil out for refining, and conveying separated water out to a sewage treatment plant. And finally, physical and chemical inspection of an oil-phase, water-phase and solid-phase product is inspected, and operation parameters and the technological process are adjusted.

The invention discloses a rapid tubular induced crystallization reaction process and device for fluorine-containing wastewater, the device comprises a tubular reactor, a crystal sedimentation tank and crystal dehydration equipment, the fluorine-containing wastewater is pumped from a water inlet at one end of the tubular reactor, calcium liquid is pumped from dosing ports at intervals on the tubular reactor along the flowing direction of the wastewater at a set flow rate, and the calcium liquid is pumped from the dosing ports at intervals along the flowing direction of the wastewater; the fluorine-containing wastewater reacts with a calcium agent in the tubular reactor to generate calcium fluoride crystals with the particle size range of 10-80 microns, a mixture is discharged into a crystal sedimentation tank through a water outlet in the other end of the tubular reactor, clear water is discharged from a water outlet in the upper portion of the crystal sedimentation tank, and crystal slurry sinking to the bottom of the crystal sedimentation tank is pumped into a cyclone separator through a crystal discharging pump; large-particle crystals discharged from an outlet in the lower end of the cyclone separator are collected by a crystal collection pool and are regularly discharged into crystal dehydration equipment for dehydration, small-particle crystals discharged from an outlet in the upper end of the cyclone separator flow back to the water inlet end of the tubular reactor, the reactor is small in size and low in investment, and the stability of the calcium fluoride crystal product quality is guaranteed.

The invention discloses an environment-friendly sludge dewatering device and a dewatering method thereof, and relates to the technical field of sewage treatment device.The environment-friendly sludge dewatering device comprises a base, and a sludge feeding assembly, a dewatering assembly and a filtrate collecting assembly are arranged on the base; the sludge feeding assembly comprises a material guide groove and a conveying screw rod arranged in the material guide groove, and the output end of the top of the material guide groove faces a feeding opening of the dewatering assembly; the dewatering assembly comprises a barrel, a screen assembly arranged in the barrel and a driving mechanism for driving the screen assembly to rotate centrifugally, the screen assembly comprises an inner screen and an outer screen which are coaxially arranged, the inner screen is movably arranged in the outer screen, and the mesh diameter of the inner screen is larger than that of the outer screen; the filtrate collection assembly is arranged at the bottom of the dehydration assembly and is used for receiving separated liquid. The sludge dewatering device has the effect of improving the sludge dewatering efficiency.

The invention discloses a textile printing and dyeing sewage treatment recycling device, which comprises a box body, the interior of the box body is divided into three treatment areas through vertically fixed partition plates, the top of the box body is provided with a support, the support is fixedly provided with a plate filter press, and the outer side of the box body is provided with a dosing mechanism; the medicine feeding device further comprises an outer medicine feeding cylinder, the outer medicine feeding cylinder is transversely fixed to the tops of the three areas in the box body, an inner medicine feeding cylinder is rotationally arranged in the outer medicine feeding cylinder, medicine feeding holes are formed in the bottom of the inner medicine feeding cylinder and the bottom of the outer medicine feeding cylinder, a driving base is fixed to the bottom of the outer medicine feeding cylinder, and the driving base is connected with a mounting shaft through a built-in motor. A mounting sleeve is fixed to the bottom of the outer side of the mounting shaft, and a floating plate is vertically arranged in the middle of the mounting shaft in a limited and sliding mode. The sewage treatment and recycling device for textile printing and dyeing can be used for treating for multiple times, and adjusting the dosage and stably stirring according to the water quantity.

The invention discloses a self-adaptive adjustment magnetic separation-membrane filtration coupling sewage treatment system and a self-adaptive adjustment magnetic separation-membrane filtration coupling sewage treatment method. The system comprises a pretreatment unit, a magnetic separation core unit, a self-adaptive intermediate buffer unit, a membrane filtration unit and a sludge treatment unit which are communicated in sequence. The core of the system is that a plurality of on-line sensors are linked through a central control system, water quality parameters are monitored in real time, the adding amount of magnetic powder and a coagulant, the rotating speed of a stirrer, the membrane flux, the backwashing period and a cleaning program are adjusted in a self-adaptive mode, and intelligent cooperation and accurate regulation and control of magnetic separation and membrane filtration processes are achieved. According to the invention, the problems of easy membrane pollution, high magnetic powder consumption, high operation cost and dependence on manual operation in the traditional process are effectively solved, the service life of the membrane is obviously prolonged, the operation and maintenance cost is reduced, and the effluent quality is stable and meets the high-standard discharge or reuse requirement.

The utility model discloses an impurity separation device for industrial sludge treatment, comprising a barrel body and a barrel cover, wherein the bottom end of the barrel body is fixedly connected with a base and a driving motor, a connecting assembly is arranged inside the barrel body, and the connecting assembly comprises a drum body and a drum cover, a plurality of limit rods are fixedly connected with the outer side of the bottom of the drum cover, a plurality of limit rods are provided with limit grooves at the bottom, the limit grooves are internally slidably connected with limit pins, a fixing rod is fixedly connected with one side of the limit pin, a sliding rod is slidably connected with the bottom of the fixing rod, a compression spring is slidably connected with the outer side of the sliding rod, and the compression spring is fixedly connected with the fixing rod. Through the connecting assembly and the filtering assembly, the equipment can be effectively protected and the service life of the equipment can be extended. When the equipment needs to be cleaned or parts are replaced, the operation can be performed quickly and conveniently, thereby reducing the downtime of the equipment and improving the overall maintenance efficiency.

The invention provides a cloth pressing assembly for dehydration equipment and the dehydration equipment. The cloth pressing assembly for the dehydration equipment comprises a pressing rod used for pressing filter cloth to the top of a filter cylinder; and a plane parallel to the top of the filter cylinder is arranged on the pressing rod extending along the horizontal direction and at least at the position propped against the filter cloth. The position, used for abutting against the filter cloth, on the pressing rod is arranged to be the plane parallel to the top of the filter cylinder, so that when the pressing rod presses the filter cloth to the top of the filter cylinder, the filter cloth is clamped and fixed through the plane at the bottom of the pressing rod and the plane at the top of the filter cylinder, and the fixing effect on the filter cloth can be improved; and the condition that the end part of the filter cloth is loosened in the cloth pushing and spreading process can be avoided.