78 results about "Belt filter" patented technology

The utility model discloses a water circulation system of a chlorinated polyethylene device, and belongs to the technical field of fine chemical engineering. The system comprises a hot water pool and a cold water pool, the output end of the cold water pool is respectively connected with a jacket of a chlorination kettle, a jacket of a material waiting kettle, a drying system and a belt filter, the output end of heating steam is connected with the jacket of the chlorination kettle and the drying system, and the jacket of the chlorination kettle and the output end of the drying system are connected with the hot water pool. According to the utility model, the water resource at the jacket outlet of the chlorination reaction kettle is fully utilized.

The utility model provides a mycoprotein production system which is characterized by comprising a building body on which a steel frame platform is built; the slurry mixing tank is fixed on the building body; the plurality of fermentation tanks are fixed on the building body, and a second conveying pipe is arranged between the slurry mixing tank and the fermentation tanks; the belt filter press is connected with the fermentation tank; the slurry mixing tank, the fermentation tank and the belt filter press are provided with odor collecting pipelines, the building body is further provided with a dosing assembly which is connected with the fermentation tank, and the building body is provided with a tap water assembly connected with the slurry mixing tank.

The utility model discloses a powdery adsorbent lossless recovery device based on a belt filter, which comprises an elevator, the elevator comprises a frame and a conveyor belt circularly running on the frame, the frame and the conveyor belt are arranged on the periphery of the belt filter in a semi-surrounding manner, and the belt filter is arranged on the frame. The device is used for collecting powdery adsorbents from the tail end of the belt filter and returning the powdery adsorbents to the head end of the same belt filter. According to the utility model, the layout of the hoister is improved, so that the hoister is arranged on the periphery of the belt filter in a semi-surrounding manner, the space overlapping degree of the hoister and the belt filter is high, the occupied area is greatly reduced, and the recovery of powdery adsorbents between the tail end and the head end of the same belt filter can be realized.

The invention discloses a thickening and dewatering belt filter press with a conditioning and modifying mechanism, and relates to the technical field of sludge treatment.The thickening and dewatering belt filter press comprises a flocculation conditioning unit, a thickening and dewatering unit, a modification conditioning unit and a squeezing and dewatering unit, and the flocculation conditioning unit, the thickening and dewatering unit, the modification conditioning unit and the squeezing and dewatering unit form a sludge treatment route; the flocculation conditioning unit is used for performing flocculation conditioning on the sludge; the concentration and dehydration unit is used for performing concentration treatment on the sludge; the modification conditioning unit is used for dosing, stirring and conditioning the sludge, and the squeezing and dewatering unit is used for squeezing and dewatering the sludge. The concentration section dosing device is innovatively designed, the sludge dewatering performance is improved, a sludge cake structure with more porosity is formed in the sludge squeezing process, the two opposite pressing rollers are additionally arranged at the squeezing tail end and oppositely extrude with the main pressing roller, moisture in the sludge is further squeezed out, finally, the moisture content of sludge obtained through primary dewatering is greatly reduced, and the sludge dewatering efficiency is improved. The mud cake is high in hardness, low in dryness and small in occupied area.

The present application relates to waste treatment and solidification technical field, disclose a kind of fly ash slag and sludge collaborative solidification treatment method, comprising the following steps: S1, raw material pretreatment: using centrifugal dehydrator fly ash is dewatered to moisture content is less than 10%, and by vibrating screen and jaw crusher fly ash and slag are treated to particle size is between 0.5-2 mm;Using belt filter press sludge is dewatered to moisture content is less than 30%, then in hot air drying furnace it is dried to moisture content is less than 10%;S2, raw material mixing: after pretreatment fly ash, slag and sludge are mixed according to set mass ratio;S3, add solidification agent: solidification agent is added to mixture, and is uniformly stirred.By optimizing proportioning and selecting suitable solidification agent, the problem of insufficient stability of solidified body and incomplete sealing of harmful substances is solved, and by raw material treatment, adding solidification agent and solidification agent optimization, the problem of poor heavy metal sealing effect and high processing cost is solved.

The utility model discloses an ore pulp filtering device with an anti-blocking function, which comprises a belt filter, a motor and an elastic buckle are fixedly arranged at the lower part of the belt filter, a cylindrical brush is arranged between the motor and the elastic buckle, one end of the cylindrical brush is clamped with the motor, the other end of the cylindrical brush is buckled with the elastic buckle, and the cylindrical brush is movably contacted with a filter belt of the belt filter. A scraping plate is fixedly connected to a rack of the belt filter, and the scraping plate is in movable contact with a filter belt of the belt filter. The motor comprises a motor body, a first rotating disc is fixedly connected to a rotor of the motor body, a first hemispherical block is fixedly connected to the outside of the first rotating disc, the motor drives the cylindrical brush to rotate so that the cylindrical brush can wash along a filter belt of the belt filter, and the belt filter rotates so that the cylindrical brush can circularly wash the belt filter; by keeping the surface of the belt filter clean, the possibility of blockage of the filter belt of the belt filter is reduced.

The utility model discloses a hot air filtration-aided dehydration device of a belt filter, belongs to mechanical equipment, and relates to a solid-liquid separation device. The utility model relates to a hot air filtration-aided dehydration device of a belt filter, which comprises an air feeder, a heater, belt filter filter cloth, a material loosening device, a lifting and moving mechanism and a hot air distribution cover, the air feeder is connected with the heater through a pipeline, the heater is communicated with the hot air distribution cover through a hot air pipeline, the hot air distribution cover is arranged on the lifting and moving mechanism, the lifting and moving mechanism is arranged on the filter cloth of the belt filter, and the material loosening device is arranged at the upper part of the filter cloth of the belt filter. By repeatedly loosening materials and controlling hot air distribution, energy consumption can be reduced, productivity can be improved, and product granularity can be protected.

A double-layer cloth vertical belt filter press comprises a rack unit, a filter pressing unit, a driving unit and a scraping device, the filter pressing unit comprises a hydraulic system, a bottom pressure bearing platform, a top pressure applying platform, an oil cylinder, a lower layer filter belt, an upper layer filter belt and a middle layer filter belt, and the bottom pressure bearing platform is fixed on the rack unit; a cylinder end flange of the oil cylinder is connected to a top cross beam of the bottom pressure-bearing platform, a rod end flange of the oil cylinder is connected to the upper surface of the top pressure-applying platform, the lower-layer filter belt, the upper-layer filter belt and the middle-layer filter belt are arranged between the bottom pressure-bearing platform and the top pressure-applying platform, the cloth is divided into upper-layer cloth and bottom-layer cloth, the upper-layer cloth is located between the middle-layer filter belt and the upper-layer filter belt, and the lower-layer cloth is located between the bottom-layer cloth and the middle-layer filter belt. The bottom-layer cloth is positioned between the lower-layer filter belt and the middle-layer filter belt; according to the utility model, a plurality of groups of oil cylinders are added to apply pressure, the dehydration pressure and the pressure maintaining time can be accurately controlled so as to achieve an expected effect, and the oil cylinders vertically apply pressure to the filter belt, so that tearing and stretching force cannot be generated on the filter belt.

The invention discloses a processing system and method for discharging alkali liquor from sodium carbonate, and belongs to the technical field of chemical engineering, the processing system for discharging alkali liquor from sodium carbonate comprises a distributing device and a conveying mechanism which are sequentially connected, and a washing water circulating system, a belt filter and a medium wave infrared device are sequentially arranged in the direction of conveying alkali liquor from sodium carbonate by the conveying mechanism; the washing water circulation system comprises a first-section washing water mechanism, a second-section washing water mechanism and a third-section washing water mechanism which are sequentially arranged, then third-section washing water treatment, belt filter treatment and medium-wave infrared treatment are sequentially carried out on the soda outlet liquor, the third-section washing water is additionally arranged through gradient heat exchange utilization of desalted water, and a third-section washing water circulation system is constructed. According to the present invention, with the combination of the filter aid compounding and the medium-wave infrared radiation reinforced dehydration, the filtration condition is optimized from the source, such that the purposes of filter cake moisture reducing, filtration pressure difference reducing, equipment scaling relieving and washing efficiency improving are achieved so as to reduce the calcination energy consumption, improve the product purity, prolong the equipment operation period and reduce the maintenance cost;

The application discloses a belt filter press deviation rectifying device and method, and belongs to the technical field of auxiliary equipment of belt filter press.The device comprises a rack, a deviation rectifying roller, a detection rod, a proportional valve, a control rod, a displacement conversion assembly and a deviation rectifying cylinder, and each component is installed on the rack; the detection end of the detection rod is attached to the edge of the filter belt, and converts the filter belt deviation into the displacement of the detection rod; the displacement conversion assembly connects the detection rod and the control rod, and realizes accurate displacement transmission; the proportional valve is matched with a tapered valve core through a V-shaped throttling groove, realizes linear regulation of the air inlet flow, drives the deviation rectifying cylinder to extend and retract, and adjusts the roller seat of the deviation rectifying roller.The deviation rectifying method comprises pre-tightening detection, displacement conversion, deviation rectifying action and reset emergency steps, realizes self-adaptive deviation rectifying of the filter belt "small deviation slow rectification and large deviation fast rectification", and can accurately capture slight deviation, avoids secondary deviation of the filter belt, is stable in operation, has high universality, and can guarantee continuous operation of the belt filter press.

The utility model discloses a belt filter with a scraping structure, which belongs to the field of belt filters and comprises a conveying frame, a roller is arranged on the inner side of the conveying frame, and filter cloth is sleeved on the roller. Through the arranged quantitative structure, a servo motor and a lead screw are adopted to drive a transverse plate and a lifting block to move, the height of a quantitative plate can be adjusted, the use flexibility and adaptability are improved, a scraping structure is adopted, a scraping plate is mounted on a first moving frame and a second moving frame through a mounting base and a rotating shaft, and the scraping plate is used in cooperation with a translation electric push rod; the horizontal position of the scraping plate can be adjusted, the angle adjusting assembly connected with the rotating shaft is arranged on the first moving frame, the angles of the rotating shaft, the mounting base and the scraping plate can be adjusted, the flexibility and adaptability of the scraping plate in use are improved, a gear and a rack are adopted for transmission, and an angle adjusting electric push rod is matched for use; the device can be adjusted at will within the adjusting range, and stability after adjustment is guaranteed.

The utility model relates to an industrial wastewater treatment technology, and discloses a sodium methoxide wastewater purification system which comprises a sodium methoxide wastewater temporary storage tank, a filter, an adsorption purifier, a film evaporator and a three-stage separation system, the sodium methoxide wastewater temporary storage tank is connected with the filter, the filter is connected with the adsorption purifier, the adsorption purifier is connected with a solvent adjusting tank, and the film evaporator is connected with the solvent adjusting tank. The solvent adjusting tank is connected with the film evaporator; the film evaporator is connected with the three-stage separation system; the film evaporator comprises a vacuum film evaporator and a rotary scraper type film evaporator, the rotary scraper type film evaporator is connected with a condenser, the condenser is connected with a condensate recovery tank, and the condensate recovery tank is connected with a circulating material pipe; a horizontal spiral discharging centrifugal machine of the three-stage separation system is connected with a rotary scraper type film evaporator, the horizontal spiral discharging centrifugal machine is connected with a pressurizing leaf filter, the pressurizing leaf filter is connected with a vacuum belt filter, the vacuum belt filter is connected with a vacuum microwave dryer, and the vacuum microwave dryer is connected with a cooling tank.

The application belongs to the technical field of sewage treatment, and particularly relates to a municipal drainage pretreatment equipment, which comprises an initial sedimentation tank, a water inlet is arranged on the left side end face of the initial sedimentation tank, a water outlet is arranged on the right side end face of the initial sedimentation tank, a collecting bin is fixedly installed above the water outlet, a separation mechanism is arranged on the left side of the water outlet, the separation mechanism comprises a belt filter screen, the belt filter screen rotates on two rotating rollers, the rotating roller located at the bottom rotates in the initial sedimentation tank, the rotating roller located at the top is provided with mounting plates on both sides, the mounting plates are mounted on the initial sedimentation tank, and the rotating roller located at the top rotates on the two mounting plates, the belt filter screen is fixedly connected with uniformly arranged baffle plates, the baffle plates are provided with uniformly arranged first leakage holes, a water control mechanism is arranged between the two mounting plates, and an isolation mechanism is arranged above the rotating roller located at the bottom.

The invention belongs to the technical field of production of rubber accelerators, and particularly relates to a method for continuously extracting and refining crude MBT (2-mercaptobenzothiazole) through tubular segmented baffling by a solvent method. Overflowing a high-pressure product into a solvent pipeline in sections, and performing high-efficiency extraction in a turbulent flow region by utilizing baffling flow; performing static sawtooth crystallization on the extract liquor under the positive pressure of nitrogen, wherein crystals are regularly attached to sawtooth blades to grow; and finally, continuously filtering and washing by sections through a belt filter to obtain a finished product. According to the invention, the circulation of mixing and clarifying is enhanced by utilizing a tubular baffling structure, and the mass transfer efficiency is improved; meanwhile, nitrogen positive pressure crystallization is matched, oxygen and water vapor are isolated, the MBT crystal is of a needle-shaped structure, the particle size is large, the purity is high, and the problems that an existing solvent method is low in intermittent production efficiency and unstable in product quality are solved.

The invention relates to a sludge deep dehydration device and system applied to the field of sludge treatment, the sludge deep dehydration device comprises a belt filter press, the belt filter press is provided with two pieces of filter cloth rolling circularly, each piece of filter cloth is provided with a cleaning mechanism, and the sludge deep dehydration device also comprises two filter cloth monitoring mechanisms respectively arranged on the two pieces of filter cloth, the filter cloth monitoring mechanism comprises an upper monitoring box and a lower monitoring box which are matched with the filter cloth, a monitoring light supply lamp is fixedly mounted in the upper monitoring box, a plurality of brightness sensors distributed along a rectangular array are arranged in the lower monitoring box, and the top end of the upper monitoring box is communicated with an inflation pipe; real-time monitoring of the state of the filter cloth is achieved, an alarm can be given when it is monitored that the filter cloth has cracks, so that related technicians can find the cracks in time and correspondingly maintain and process the filter cloth in time, adverse effects caused by the cracks in the filter cloth can be remarkably reduced, the cracks are actively opened by ingeniously utilizing the air pressure difference in the monitoring process, and the monitoring efficiency is improved. And the monitoring accuracy is greatly improved.

The invention relates to comprehensive utilization of ardealite, and provides a method for efficiently preparing an ardealite-based ecological restoration material. The belt filter is divided into four sections of washing areas, the first washing and the second washing are two times of countercurrent clear water washing, the third washing is alkali liquor washing, and the fourth washing is phosphorus and fluorine fixing agent washing. After the primary washing filtrate and the filtrate are mixed and purified through a membrane filtration device, high-phosphorus-fluorine concentrated water returns to a wet-process phosphoric acid production system to be recycled, clear water is used for alkali liquor preparation, and secondary washing clear water is provided. According to the method, the qualified ecological restoration material is obtained after belt filtration washing is finished, secondary mixing and aging are not needed, the production efficiency is higher, and the quality is more stable.

The utility model discloses a sodium carbonate crystallization separation device which is characterized in that an outlet of a feeding pump is connected with a tube pass inlet of a first-effect evaporator through a preheating unit, and a tube pass outlet of the first-effect evaporator is connected with a circulating inlet of a first-effect crystallizer; a salt leg outlet of the first-effect crystallizer is connected with a second-effect circulating pipe, and the second-effect circulating pipe is connected with a circulating liquid outlet of the second-effect crystallizer; a salt leg outlet of the second-effect crystallizer is connected with a settling section inlet of the third-effect crystallizer through a second-effect transfer pump; a salt leg outlet of the triple-effect evaporator is connected with a triple-effect thickening tank through a triple-effect discharging pump, a bottom outlet of the triple-effect thickening tank is connected with a triple-effect centrifugal machine, and a solid phase outlet of the triple-effect centrifugal machine is connected with a feeding port of a sodium carbonate belt filter through a sodium carbonate slurrying tank and a sodium carbonate slurrying pump; a solid discharge hole of the sodium carbonate belt filter is connected with a second-stage centrifugal machine through a second-stage centrifugal tank and a second-stage centrifugal pump; and a solid-phase outlet of the second-stage centrifugal machine is connected with a sodium carbonate monohydrate articulated chute. The sodium carbonate product obtained by the device is high in purity and low in energy consumption.

The invention relates to the technical field of hydraulic engineering, in particular to reservoir water surface pollutant cleaning equipment for hydroelectric power generation. A chain belt salvage mechanism is arranged between a left ship body and a right ship body, a roller filter pressing mechanism is arranged above the chain belt salvage mechanism, and a net belt filter pressing mechanism is arranged behind the chain belt salvage mechanism; pollutants in water can be cleaned through the chain belt salvaging mechanism, meanwhile, the salvaged pollutants can be subjected to synchronous pre-filter-pressing dehydration under the action of the roller filter-pressing mechanism, the water content of the pollutants is reduced, the water quality of the pollutants is improved, and the water quality is improved. According to the water conservancy machine, the pollutants are subjected to filter-pressing dehydration treatment again through the mesh belt filter-pressing mechanism, the pollutants can be collected into an independent stock bin through the material distributing and flow guiding unit, the pollutants which are not uniformly dispersed in a reservoir can be cleaned by an operator, the pollutant cleaning efficiency is improved, and normal operation of the water conservancy machine is guaranteed.

The utility model belongs to the technical field of filtering equipment, and particularly relates to belt type filtering equipment. The equipment comprises a conveyor belt consisting of a plurality of filter belts and a connecting belt for connecting two adjacent filter belts; filter holes are formed in the filter belt; the connecting belt comprises a belt body and at least two fixing columns which are arranged at the two ends of the belt body and penetrate through the two adjacent filter belts respectively. According to the utility model, the structure of the conveyor belt is modified to realize the purpose of replacing part of the filter belt, so that the maintenance construction time can be shortened, and the maintenance cost can be reduced.

This application relates to the field of sludge treatment technology, specifically disclosing a belt filter press. The belt filter press includes a frame, an upper filter belt, a lower filter belt, several guide rollers, several first support rollers, several second support rollers, several squeeze rollers, and a pusher. The guide rollers, first support rollers, second support rollers, and squeeze rollers are parallel to each other. The guide rollers, first support rollers, and second support rollers are all fixed to the frame. The squeeze rollers are movably mounted to the frame. The upper filter belt is wound around the first support rollers, second support rollers, and some guide rollers. The lower filter belt is wound around the first support rollers, second support rollers, and other guide rollers. The upper and lower filter belts are tangent at each first support roller and each second support roller. The pusher connects to the squeeze rollers, so that the squeeze rollers and second support rollers clamp the tangent upper and lower filter belts. During sludge pressing, the sludge between the upper and lower filter belts is squeezed by the squeeze rollers, allowing more water to seep out, making it easier for the sludge to detach from the upper and lower filter belts, thus improving the efficiency of sludge pressing.

The utility model discloses a material distributing device for a belt filter, which comprises a shell, the shell is positioned above a filter cloth output starting end, and an inclined discharge port is arranged at the bottom of the shell; a height-adjustable T-shaped scraper is mounted above a main body of the filter cloth, a supporting beam with an inverted U-shaped structure is arranged above the T-shaped scraper, two guide rods which are arranged side by side are mounted in the supporting beam and penetrate through the supporting beam in the vertical direction, the bottom ends of the guide rods are connected with the top end of the T-shaped scraper through bolts, and the top ends of the two guide rods are connected through a connecting arm; a linear bearing is installed at the joint of the guide rod and the supporting beam, and a distance measuring sensor arranged downwards is installed under the supporting beam. According to the material distributing device, the size of the gap between the scraper and the filter cloth can be automatically adjusted according to different material characteristics, different process requirements are dynamically met, and the gap adjusting process is uniform and accurate.

The utility model discloses a belt type filter cloth detecting and deviation rectifying device which comprises a main wind-up roller and a tensioning roller, filter cloth is arranged between the main wind-up roller and the tensioning roller in a transmission mode, machine frames are installed on the two sides of the tensioning roller, detecting mechanisms and deviation rectifying mechanisms are installed on the two sets of machine frames, and a PLC is further installed on the machine frames. And the detection mechanism and the deviation rectifying mechanism are connected with the PLC. The filter cloth deviation rectifying device has the advantages that the hydraulic cylinder is arranged to drive the moving plate to enable the deviation rectifying roller to perform pulling deviation rectifying on the filter cloth, and due to the fact that the deviation rectifying roller is rotationally connected with the moving end, it is guaranteed that the filter cloth can still be normally transmitted under the acting force of the main winding roller and the tensioning roller, the filter cloth is prevented from being locked in the deviation rectifying process of the filter cloth, and the deviation rectifying efficiency is improved. The mud-water separation effect of the equipment is effectively ensured.

The utility model discloses a filtering device for enhancing the strength of recycled cardboard paper. The filtering device comprises a rectangular thick plate, a reset spring, a connecting sliding groove, a rectangular groove, a rectangular frame, a strip-shaped filtering net, a strip-shaped groove, a strip pressing block, an air cylinder, a containing groove, an electric control box, a winding box, a motor, a penetrating hole, a strip-shaped hole, a bucket frame, a rectangular opening, a connecting sliding block and an electromagnetic clutch. The utility model has the beneficial effects that the bottom frame opening of the rectangular frame can be completely covered by the filter screen surface with the corresponding mesh size on the strip-shaped filter screen, the strip-shaped filter screen is divided into four filter screen surfaces with the same width, and the mesh sizes of the four filter screen surfaces are sequentially different; the function of conveniently replacing filter screen structures with other specifications according to filtering requirements is achieved, the adjusting and replacing time is saved, and the working efficiency is improved; and the connected rectangular frames can quickly reciprocate in the rectangular grooves and are in a shaking state, so that the effect of shaking the filtered materials back and forth for screening and filtering is achieved, and the screening and filtering efficiency is high.

The utility model relates to high-pressure belt type filtering equipment, in particular to a material distributing device using a two-way spiral conveying structure. The device comprises a filter belt, a first rotating shaft and a second rotating shaft are arranged on the filter belt, two sections of first spiral pieces are arranged on the first rotating shaft, and the spiral directions of the two sections of first spiral pieces are opposite; two sections of second spiral sheets are arranged on the second rotating shaft, the spiral directions of the two sections of second spiral sheets are opposite, the spiral directions of the first spiral sheets and the second spiral sheets are opposite, the first spiral sheets are used for uniformly laying the materials from the middle to the two sides, and the second spiral sheets are used for laying the materials from the two sides to the middle; and driving mechanisms are arranged at one ends of the first rotating shaft and the second rotating shaft. The device solves the problem that materials are excessively accumulated when sludge materials are conveyed by a spiral conveying structure, so that the material dehydration effect is improved, and meanwhile, the service life of the filter belt is prolonged.

The present application relates to a kind of vacuum evaporation instead of the method of electric evaporation nickel removal, which refers to the liquid after copper removal is concentrated using vacuum evaporation kettle under the condition that vacuum degree is-50~‑65KPa, temperature is 65~80℃, vacuum evaporation flow is 1.5~2.5m 3 / h, namely the vacuum evaporation liquid with specific gravity≥1.43 is obtained;The vacuum evaporation liquid is pre-cooled by plate condenser first, then is sequentially operated by refrigeration crystallization machine and belt filter, respectively, to obtain crude nickel sulfate and crystallization mother liquor, and the crystallization mother liquor is returned to electrolysis system.The present application has low power consumption, large solution processing capacity, good solution concentration effect, simple operation, safe and environmentally friendly operation environment, and the quality of crude nickel sulfate product prepared is stable.

The utility model discloses sludge dehydrator room energy -conserving type efficient dehydration belt filter press structure, including belt filter press, be provided with filter screen belt on the belt filter press, install L type support frame on the belt filter press, install sludge delivery pipe on L type support frame, slidingly install movable frame on L type support frame, the utility model discloses, when using can connect sludge delivery pipe with sludge delivery pipeline to deliver sludge to the material stirring rod place, open electric push rod simultaneously to drive material stirring rod reciprocating movement, make material stirring rod stir sludge, make sludge can scatter on filter screen belt, then open motor can drive two spiral material stirring board rotation, while conveying sludge of filter screen belt, the two motor of rotation can stir sludge more than its height to two sides, ensure that sludge can even spread on the surface of filter screen belt, help to promote sludge layer overall thickness evenness, make moisture can evenly permeate in the filter band operation process, shorten dehydration time.

The utility model relates to the technical field of filters, in particular to a washing water treatment system for a belt filter. Wherein the belt filter is sequentially provided with a plurality of immersion cleaning sections along the filtering stroke direction, the last one or more immersion cleaning sections of the plurality of immersion cleaning sections are used as rear immersion cleaning sections, and the washing water treatment system comprises a tail liquid collecting tank, a clarifying tank, a cloth washing water tank and a filter cloth washing system. And the tail liquid collecting tank is used for collecting filtrate generated in the rear immersion cleaning section. The clarifying tank is used for settling the filtrate. And the cloth water washing tank is used for collecting supernate generated after sedimentation. And the filter cloth washing system is used for extracting the supernatant from the cloth washing water tank and washing the filter cloth of the belt filter by taking the supernatant as cloth washing water. Through the synergistic effect of the structures, existing filtrate is effectively utilized, the concentration of qualified liquid is improved, cyclic utilization of water resources in the system is achieved, and the production cost is reduced.

The utility model relates to the technical field of sludge filter pressing equipment, in particular to a sludge outlet plate of a belt filter press, which comprises a sludge guide plate and two side plates, and the sludge guide plate is fixedly connected with a sludge outlet of the belt filter press. Convex edges are arranged on the mud guide plate, and a Teflon coating is sprayed on the mud guide plate; wherein the convex edges can be arranged in various modes, such as a soft rope body, an iron wire or a steel wire rope; when the rope body is a soft rope body, the two ends of the soft rope body are connected and tightened through a euphroe; one end of the iron wire or the steel wire rope is fixedly connected through the U-shaped lock catch, and the other end of the iron wire or the steel wire rope is connected and tightened through the euphroe. The sludge discharging device is simple in structure and convenient to apply and implement, can effectively solve the problem that sludge is bonded on the sludge discharging plate in actual production, effectively ensures continuous and stable sludge discharging of the belt filter press, and brings convenience to actual production.

The utility model discloses a dry-type filter cloth cleaning device of a vacuum belt filter, which is characterized in that on the basis of the traditional belt filter, a filter cloth washing device is omitted, an air feeder, an electric heater and a hot air pipeline are arranged to dry wet filter cloth, and a plurality of pneumatic pulse vibrators are uniformly arranged in a filter cloth sealing channel, so that the wet filter cloth can be cleaned. The pneumatic pulse vibrators are connected through the circular shaft type carrier rollers, a plurality of electric rolling brushes are further installed in the filter cloth sealing channel, the electric rolling brushes and the circular shaft type carrier rollers are arranged at different heights, brushes of the electric rolling brushes drive the filter cloth to be conveyed, meanwhile, product dust attached to the surface of the dried filter cloth is cleaned, and meanwhile, the filter cloth is dried. The pneumatic pulse vibrator drives the circular shaft type carrier roller to oscillate the filter cloth, dust attached to the surface of the filter cloth is promoted to fall off, fallen materials are conveyed to the air suction opening through the air duct, sucked by the suction ventilator and then conveyed to the dust collector to be collected and recycled, the air permeability of the filter cloth is improved through the design, the operation environment is optimized, and sewage discharge is reduced.