100 results about "Filter strip" patented technology

The utility model relates to a spatial multilayer ultrahigh pressure belt type dehydration system which comprises a main rack, a material distributing and feeding device, a material distributing device, a filter belt, a filter belt traction machine, a filter pressing hydraulic machine, a hydraulic station and a controller, the material distributing and feeding device, the material distributing device, the filter belt traction machine and the filter pressing hydraulic machine are connected and mounted on the main rack; and the output end of the material distributing and feeding device is connected and mounted above the material distributing device. The dehydration method comprises the steps of equipment starting, material distribution, filter pressing dehydration and unloading. The organic waste dehydration device is higher in dehydration efficiency and lower in cost, and can be used as an organic waste dehydration device capable of reducing pollution and carbon.

The utility model relates to the technical field of sewage treatment, in particular to a sludge dewatering treatment device which comprises a rack, a sludge reaction tank, a concentration filter belt, an upper dewatering filter belt and a lower dewatering filter belt, the sludge reaction tank is arranged at the upper end of the left side of the rack, a feeding port is formed in the left portion of the sludge reaction tank, and a concentration motor and a concentration driving roller are arranged at the upper end of the right portion of the rack. A concentration tensioning roller is arranged at the upper end of the left part of the rack. The gravity dewatering device is reasonable and compact in structure and convenient to use, a lengthened gravity dewatering area is formed through the concentration filter belt, the upper dewatering filter belt and the lower dewatering filter belt, dewatering efficiency is improved, energy consumption is greatly reduced, tension of each filter belt is controlled through the concentration roller adjusting air cylinder, the upper roller adjusting air cylinder and the lower roller adjusting air cylinder, constant tension of the filter belts is guaranteed, and the dewatering efficiency is improved. All the filter belts can be correctly aligned through all the deviation rectifying devices, and the device has the advantages of being large in treatment capacity, low in energy consumption, high in dehydration efficiency, long in service life, easy and convenient to adjust, safe, capable of saving labor and efficient.

The invention discloses belt type concentration and dehydration equipment for sludge treatment, and relates to the technical field of sludge treatment. The sludge dewatering device comprises a bottom frame and a top frame, the top frame is stably installed at the top end of the bottom frame through bolts, a plurality of guide rollers are rotationally arranged in the bottom frame and the top frame, the outer walls of the guide rollers in the bottom frame and the top frame are sleeved with filter belts correspondingly and used for sludge dewatering, and the ends, close to the discharging opening, in the bottom frame and the top frame are each provided with a desliming assembly. The middle parts of the bottom frame and the top frame are respectively provided with a spray-washing assembly and a vibration composite drainage assembly, and impurity adsorption assemblies are respectively arranged at one ends, close to the feed port, in the bottom frame and the top frame; through the arrangement of the vibration composite drainage assembly and the impurity adsorption assembly, the vibration composite drainage assembly firstly accelerates the separation of water in pores of the filter belt through high-frequency vibration, then cooperates with a high-strength air curtain sprayed by an air knife to quickly peel off water stains on the surface, and then performs secondary adsorption cleaning on residual fine particles on the surface of the filter belt through the impurity adsorption assembly; impurities are effectively prevented from blocking filter holes, and water permeability of the filter strip is maintained.

The present invention discloses a road water supply and drainage device that can alleviate road waterlogging, and the following scheme is now proposed. It includes a fixed frame, on which a plurality of pairs of rotating shafts are rotatably connected. Filter strips are installed on the rotating shafts, and push strips are slidably connected to both sides of the filter strips. The fixed frame is equipped with a reflector. A pair of filter plates are installed at the bottom of the fixed frame where the filter strips are located, and extrusion blocks are slidably connected to the filter plates. By controlling the motor to work, the filter strips are driven to rotate in opposite directions, so that the garbage and other sundries on the filter strips are flipped into the interior of the fixed frame, facilitating the cleaning of the garbage and other sundries and being conducive to the drainage of waterlogging. The reflector rises to warn pedestrians and vehicles to avoid trampling and rolling. By controlling the electric push rod to work, the extrusion blocks push the garbage and other sundries on the filter plates to slide above the storage filter frame and perform extrusion to make them more compact, reducing the occupied space, thereby facilitating the cleaning of the garbage and other sundries.

The invention provides a sodium metavanadate purification process, and belongs to the technical field of high-purity vanadium processing. Comprising the following steps: A, coating a lower filter belt with sodium metavanadate-containing pug subjected to draining treatment through a feeding mechanism; b, after the sludge is dewatered by the first filter pressing station, part of cleaning liquid generated by cleaning an upper filter belt and a lower filter belt is used for humidifying the sludge which is dewatered for the first time at a primary water adding station; c, dewatering is completed at a second filter pressing station, and part of cleaning liquid generated by cleaning the upper filter belt and the lower filter belt is used for conducting water adding treatment on the pug subjected to secondary dewatering at a secondary water adding station; d, carrying out filter pressing dehydration for the last time; e, removing the filter residues which are finally dehydrated and adhered to the upper surface of the upper filter belt and the lower surface of the lower filter belt at a discharging station; and F, the remaining cleaning liquid is filtered through an upper filter belt in front of the feeding station, and ammonium chloride is added for vanadium precipitation treatment. The method has the advantages of simple process, high yield and the like.

The present application relates to a hazardous waste detoxification disposal method and system, including a chromium removal device, the chromium removal device includes a flue gas pipeline, a filter belt, a main exhaust fan, the filter belt and the flue gas pipeline cross section are perpendicular to each other, sintering flue gas is filtered in the flue gas pipeline through the filter belt, the main exhaust fan is used for producing negative pressure by exhausting, so that sintering flue gas does not overflow in the process of chromium removal.The present application has the advantages that: the sintering process is used to realize the compliance disposal of hazardous waste, eliminate its pollution and harm to the environment, save disposal cost and cost; through the sintering process, the proportion coefficient of chromium element in the sintered raw material is calculated to control the adding amount of chromium-containing sludge, so that the problem of environmental pollution or low treatment efficiency caused by improper adding amount of chromium-containing sludge is avoided; through the flue gas chromium removal process, the secondary pollution caused in the process of chromium-containing sludge treatment is solved, the chromium removal rate is improved, and the cost is much lower than that of the existing process.

The utility model relates to the technical field of lake water replenishing and purifying, in particular to a lake water replenishing and purifying device which comprises a purifying box, the front end of the purifying box is fixedly connected with a first servo motor, one side of the purifying box is fixedly connected with a collecting frame, and the inner wall of the purifying box and the inner wall of the collecting frame are each rotationally connected with a first belt pulley. A filter belt is in transmission connection between the surfaces of the two first belt wheels; according to the device, through a first belt pulley, a second belt pulley, a belt and a third belt pulley, a movable rod drives three brushes to rapidly and annularly move, so that the annularly moving brushes scrape and sweep a conveyed filter belt, and garbage is prevented from being attached to the surface of the filter belt; compared with an existing mode that garbage attached to the surface of the filter belt easily falls to the lower end in the purification box under the impact of water, the method has the advantages that the garbage attached to the filter belt is cleaned in time, the garbage on the filter belt is prevented from falling to the lower end in the purification box, and the purification efficiency of lake water replenishing is guaranteed.

The utility model discloses a door and window filtering ventilation structure which comprises an outer frame and a filtering ventilation transverse frame, the filtering ventilation transverse frame comprises a frame body, a cover plate and a strip-shaped air hole, the cover plate is located on the inner side face of the frame body and hinged to the frame body through a rotating shaft, the strip-shaped air hole is formed in the outer side face of the frame body, and an embedding groove communicated with the strip-shaped air hole is formed in the frame body. The embedded groove is filled with the filter strip, and the aluminum alloy net plate is fixed to the frame body through screws and used for fixing the filter plate. According to the structure, air is purified through the activated carbon filtering cotton strips, meanwhile, the ventilation effect is enhanced through the strip-shaped air holes and the cover plate, the filtering strips can be replaced when the filtering strips are aged or the effect is reduced, maintenance is easy, the service life is prolonged, and the overall structural stability is enhanced through the design of the supporting frame strips and the telescopic supporting rods; and the sealing rubber ring is used, so that the sealing performance after the cover plate is closed is ensured, and the filtering effect and the indoor air quality are further improved.

The utility model discloses belt type sludge filter pressing equipment for a water regeneration plant, which is characterized in that a driving roller A and a driving roller B are respectively and rotatably connected to the right end of a rack and are driven by a driving motor, a tensioning roller A and a tensioning roller B are respectively and rotatably connected to the left end of the rack, the tensioning roller B is positioned on the left side of the tensioning roller A, a deviation rectifying roller A is arranged above the tensioning roller A, and a deviation rectifying roller B is arranged below the deviation rectifying roller A; a deviation rectifying roller B is arranged obliquely below the tensioning roller B. A plurality of press rollers A are arranged between the tensioning roller A and the driving roller A. The upper filter belt is sequentially wound around the driving roller A, the press rollers A, the tensioning roller A and the deviation rectifying roller A. The lower filter belt is sequentially wound around the driving roller B, the press rollers A, the tensioning roller B and the deviation rectifying roller B. The feeding hopper is located above the lower filter belt wound around the tensioning roller B. At least one screw shaft is rotationally connected in the feeding hopper in a chaining mode, the water collecting tank is located under the deviation rectifying roller B, and the multiple pressing rollers A are distributed in a broken line shape in a staggered mode. The filter press is low in manufacturing cost, high in filter pressing efficiency, long in service life, high in operation stability and easy and convenient to maintain.

The invention discloses a new energy environment-friendly electric power cabinet convenient to dissipate heat, and belongs to the technical field of electric power cabinet equipment, the new energy environment-friendly electric power cabinet convenient to dissipate heat comprises a main shell, an air inlet disc group, an air return disc group, a dehydration assembly and a filter strip, an air inlet cavity, an air return cavity and a circuit cavity are formed in the main shell, the air inlet disc group is arranged in the air inlet cavity, the air return disc group is arranged in the air return cavity, and the dehydration assembly is arranged in the circuit cavity. The filter belt is movably assembled between the air inlet disc set and the air return disc set, the inlet groove and the outlet groove are formed between the air inlet cavity and the air return cavity, the dehydration cavity is formed in one side of the inlet groove, and the drying cavity is formed in one side of the outlet groove. According to the electric power cabinet, water vapor and dust in air can be separated, dry air enters the circuit cavity to achieve air cooling heat dissipation, heat of components is used for drying the filter belt, the interior of the electric power cabinet is prevented from being eroded by moisture, and meanwhile waste heat is used for achieving environment-friendly drying.

The utility model discloses environment-friendly type titanium ore beneficiation dry discharge equipment which comprises a flow dividing box, filter cartridges communicated with an inner cavity of the flow dividing box are installed on the two sides of the flow dividing box respectively, end plates are installed at the opposite outer ends of the two filter cartridges respectively, and the flow dividing box and the end plates are fixedly installed above a machine frame. The filter cartridge comprises a plurality of filter strips which are circumferentially distributed, a filter gap is formed between every two adjacent filter strips, the section of each filter strip is of a triangular structure, the peripheries of the filter strips are sleeved with a plurality of annular ribs, the annular ribs are fixedly connected with the peripheries of the filter strips, and the annular ribs are distributed at equal intervals; a main shaft penetrates through the flow dividing box and the filter cartridges on the two sides, the middle of the main shaft is arranged in the transmission box in a penetrating mode, and forward spiral blades and reverse spiral blades are installed on the two sides of a main body of the main shaft. According to the dry discharge equipment, a double-channel parallel processing mode is adopted for ore pulp from feeding to discharging, the processing capacity is remarkably improved, and the requirement for large-scale ore dressing can be met.

The utility model relates to a suspension type alcohol fireplace which aims at solving the problems that a traditional fireplace is inconvenient in fuel filling, inflexible in flame control, complex in extinguishing operation and the like. The device comprises a bottom plate, a moving table on the bottom plate can move along the bottom plate, a combustion groove is formed in the moving table, and a cover body assembly capable of being opened and closed on the groove can accurately adjust flames and extinguish the flames. By means of the moving assembly, the motor drives the sliding block to drive the moving table along the guide rod, and alcohol injection is facilitated. The combustion groove is composed of a transverse groove and an annular groove, and the filter strip and the annular filter at the bottom can filter alcohol impurities. The cover body assembly comprises a push-close cover and a rotary cover which can adjust flames of the transverse groove and the annular groove respectively. The second cover plate and the upper cover are respectively provided with a long-strip-shaped handle and a round handle which accord with operation habits. And the transparent glass between the davits has ornamental and protective functions.

The utility model provides a tar ammonia water preseparator anti-blocking mechanism, including: anti-blocking component, the anti-blocking component is composed of box body, lower mounting frame, filter strip, upper mounting frame and sealing block, and the upper surface of box body is fixedly connected with box cover through fixed plate and fastening bolt, and box body inner cavity side is fixedly connected with lower mounting frame through locating piece, the filter strip is connected with the upper mounting frame through locating piece. Meanwhile, the lower mounting frame is fixedly connected with an upper mounting frame through main bolts, the lower surface of the upper mounting frame is symmetrically connected with filter strips, cleaning openings are symmetrically formed in the side faces of the box body and movably connected with sealing blocks through main sealing layers, the sealing blocks are fixedly connected with mounting plates, and the mounting plates are fixedly connected to the outer side faces of the box body through auxiliary bolts. According to the anti-blocking component, the lower mounting frame, the upper mounting frame, the filter strips and the box body are matched, so that the anti-blocking component can effectively intercept large-particle slag blocks, and the probability that the large-particle slag blocks fall into the thick material filter is reduced, so that the probability that the thick material filter is blocked is reduced, and the cleaning frequency of workers is reduced.

The invention discloses a filter strip installation method and device, an electronic device and a medium, and relates to the technical field of filter strip installation. The method comprises the steps that a to-be-pressed piece is placed on a positioning table; identifying the height and the position of the to-be-pressed piece and the width of each segmented area through an image identification device; when it is detected that the width of the segmented area is larger than the preset width, the segmented area of the to-be-pressed part is pre-pressed through the corresponding first telescopic assembly; when it is detected that the width of the segmented area is smaller than the preset width, the segmented area of the part to be pressed is widened through a widening assembly; the to-be-pressed part is pressed and fixed through all the second telescopic assemblies; according to the height and the position of the to-be-pressed part, the height and the position of a pressing device are adjusted; the light filtering strip is placed on the surface of the to-be-pressed piece; the press-fit device moves along the first sliding rail, so that the press-fit piece presses the filter strip, and assembly of the filter strip and the to-be-pressed piece is completed. The method can improve the assembly efficiency and the assembly success rate.

The utility model discloses a novel efficient roller slag cooler which comprises a supporting base and a slag cooling roller, the slag cooling roller is installed above the supporting base, a connecting gear is fixedly installed on the outer side of the middle end of the slag cooling roller in a welded mode, and a rotary supporting mechanism is installed on the outer side of the slag cooling roller. And the rotating supporting mechanism is fixedly installed on the top face of the supporting base through bolts, the right end of the slag cooling roller is sleeved with a discharging box, the discharging box is fixedly installed on the top face of the supporting base, and a material guiding pipe is installed in the center of the left end of the slag cooling roller. According to the novel efficient roller slag cooler, according to the structures of the feeding pipe and the material guiding pipe, high-temperature slag materials can be conveniently fed into the slag cooling roller to be overturned and cooled, meanwhile, the filtering strip grooves formed in the material guiding pipe and the fan rotating at a high speed are convenient to drive high-temperature gas and chippings generated in the feeding process to be discharged, and the cooling efficiency is improved.

The trestle crane pipe assisting oil receiving device comprises a bottom plate, a plurality of supporting rods are fixedly connected to the right side of the top end of the bottom plate, a driving box is fixedly connected between the top ends of the supporting rods, a filtering box is fixedly connected to the left side of the driving box, and a rotating motor is fixedly connected to the right side of the inner wall of the driving box. And the output end of the rotating motor penetrates through and is fixedly connected with a rotating shaft. According to the device, firstly, the rotating motor is started to drive the driving gear to rotate through the rotating shaft, then the driven gear can be driven to rotate through meshing of the driving gear and the rack chain, and the crankshaft can be driven to rotate through rotation of the driven gear; impurities filtered on the surface of a filter screen plate can be cleaned through rotation of a crankshaft and cooperation between a connecting rod and a scraper, the impurities can enter an impurity box through an inclined groove in the bottom end of the left side of the filter box, a filter strip plate is arranged at the bottom of the right side of the impurity box, and waste caused by oil entering the impurity box is avoided.

The utility model relates to the technical field of sludge treatment, and discloses sludge dewatering filter pressing equipment, which comprises a compressor frame, a reverse motor, a clockwise motor, a water outlet, a multi-connecting roller, a lower filter belt and an upper filter belt, a scraping mechanism is arranged on the compressor frame, the scraping mechanism comprises an auxiliary structure, the scraping mechanism comprises a rotary column, and the rotary column is arranged on the lower filter belt. The rotating columns are rotationally connected to the inner walls of the front side and the rear side of the compressor frame through bearings, the rear ends of the rotating columns are fixedly connected with adjusting discs, the outer walls of the front sides of the adjusting discs are fixedly connected with torsional springs, and first scraping and brushing plates are clamped to the inner walls of the side faces of the rotating columns. The inner walls of the front side and the rear side of the compressor frame are rotationally connected with movable columns through bearings. According to the utility model, by arranging the first scraping and brushing plate, the torsion spring and other structures, the problems that the filter pressing and dewatering assembly is inconvenient to clean in time, sludge is easy to remain on the filter pressing belt to cause caking, the filter pressing and dewatering assembly is damaged, and the service life of the filter pressing and dewatering assembly is influenced are solved.

The application discloses a belt filter for zirconium titanate production wastewater treatment and relates to the field of belt filters.The belt filter comprises an equipment frame body, a group of first compression rollers and a group of second compression rollers which are rotatably arranged in the equipment frame body, and the outer surfaces of the first compression rollers are provided with first filter belts, and the second compression rollers and the first compression rollers are further provided with second filter belts, the first filter belts and the second filter belts are supported by first supporting components and second supporting components, the solid particles in the solid-liquid mixture are dispersed by the rollers in the limiting sleeves, then the solid-liquid mixture of the zirconium titanate is uniformly applied to the upper end surfaces of the first filter belts under the actions of the distribution frame body and the flow dividing component, the solid-liquid separation treatment can be performed by the transmission and extrusion of the first filter belts and the second filter belts, and the first filter belts and the second filter belts can effectively avoid the situation that the solid particles are agglomerated and the first filter belts and the second filter belts cannot uniformly apply pressure to the solid-liquid mixture for dewatering.

The present invention provides a filter barrel type filtering and purification structure and a method of using the same, belonging to the field of air filtering and purification technology, comprising a filter barrel, a series vacuum pump group, and a pulse valve arranged inside the filter barrel, wherein an ash hopper is provided at the bottom of the filter barrel, an air inlet is provided on the side wall of the filter barrel, and a partition plate is also provided inside the filter barrel. This invention, by using the kinetic energy generated by the flow of air entering the filter barrel to drive the filter barrel mechanism to rotate during operation, can make the filter barrel mechanism as a whole evenly withstand the impact and friction of powder materials, which can not only avoid excessive local wear, but also make all surfaces of the filter barrel mechanism purify and filter the airflow at the same time, further improve the filtering and purification efficiency of the filter barrel mechanism as a whole on the airflow, and at the same time drive the vibration shaft to periodically impact and vibrate the filter strip, thereby achieving automatic dust removal and auxiliary effect for subsequent pulse valve pulse dust removal.

The invention relates to a frame assembly and a display device, the frame assembly comprises a first frame and a light filtering strip, the first frame comprises a frame body and a mounting part which are connected, the frame body is provided with a containing cavity, and the mounting part is provided with a mounting hole; the light filtering strip is arranged in the containing cavity and comprises a light filtering strip body and a matching piece which are connected, the matching piece is provided with a third cavity, the light filtering strip body is used for installing the glass panel, the installing piece stretches into the third cavity, and the matching piece abuts against the outer wall of the installing piece. According to the frame assembly, the mounting piece of the first frame extends into the third cavity of the matching piece of the light filtering strip, so that the matching piece wraps the mounting hole, the matching piece abuts against the outer wall of the mounting piece, namely, the cavity wall of the third cavity abuts against the outer wall of the mounting piece, and if external dust flows into the mounting hole, the dust can flow into the third cavity through the mounting hole; and the dust and the impurities are stored in the third cavity, so that the dust and the impurities flowing into the accommodating cavity are reduced.

The application relates to an improved water sealing device for a solid-liquid second separation machine, which solves the technical problems of easy wear of a sealing belt and a filter screen of an existing solid-liquid second separation machine and poor water sealing effect. The device is installed between a frame of the solid-liquid second separation machine and a blocking device, is provided with a bottom water sealing sliding block and a side water sealing pressing block, the bottom water sealing sliding block is fixed on the frame of the solid-liquid second separation machine, the bottom water sealing sliding block is provided with a filter screen contact plane and a water sealing position, the filter screen contact plane directly contacts a filter belt of the solid-liquid second separation machine, the side water sealing pressing block is installed outside the blocking device of the solid-liquid second separation machine, the bottom end of the side water sealing pressing block exceeds the bottom edge of a side plate of the blocking device and extends to the inside of the blocking device, and the side water sealing pressing block can tightly contact the water sealing position and seal water. The application can be used in the field of sewage treatment.

The utility model relates to a panel, including section bar frame, filter strip and display screen, section bar frame includes bottom plate and first side plate, the bottom end of first side plate is provided on the bottom plate so as to form the drainage channel with the bottom plate, the display screen is installed in the drainage channel, the top of first side plate has first waterstop surface, the top of second side plate has second waterstop surface, the first waterstop surface has second waterstop surface, the first waterstop surface has second waterstop surface, the first waterstop surface has second waterstop surface, and the second waterstop surface has second waterstop surface. The first water blocking surface is obliquely arranged relative to the bottom plate, the first water blocking surface is gradually away from the display screen in the direction that the bottom edge of the first water blocking surface points to the top edge of the first water blocking surface, a first clamping groove is formed in the light filtering strip, and the top edge of the first water blocking surface is located in the first clamping groove.

The utility model discloses a filter for an oil mist recovery system, which comprises a vacuum device, a shell and a retractable mechanism, an air outlet on one side of the shell is communicated with the input end of the vacuum device through a pipeline, the other side of the shell is provided with an air inlet, the retractable mechanism is installed in the shell, and a filter belt is wound outside the retractable mechanism. The filter belt is matched with the air outlet to form a filter area; after the filtering area is saturated by filtering, the retracting and releasing mechanism is suitable for driving the filtering belt to retract and release, so that the filtering belt is matched with the air outlet to form a new filtering area. The oil mist recovery system has the beneficial effects that by arranging the filter belt, the filter belt can filter airflow in the oil mist recovery system during vacuumizing; the filter belt can be retracted and released under the action of the retracting and releasing mechanism so as to realize a continuous filtering effect, and the filter belt does not need to be replaced by shutdown, so that the continuity and the stability of the oil mist recovery system are improved.

A chain belt type efficient filter comprises a rack, a water distribution tank is arranged at the top of the rack, a transmission wheel assembly is arranged on the rack, a transmission chain is connected to the transmission wheel assembly in a transmission mode, a motor for driving the transmission wheel assembly to move is arranged on the rack, a cleaning device is arranged at the side end of the rack, and the rack and a spraying head are arranged on the rack. A water collecting tank is arranged below the rack, and a water outlet is formed in the bottom of the water collecting tank; by adopting a chain type, the filter belt cannot deviate, so that the long-time accurate operation of the filter belt is ensured; the filter belt is convenient to clean and wash, so that the filtering effect of the filter belt is greatly improved; the structure is simple, and later maintenance is facilitated, so that the use cost is reduced; a variable-frequency intelligent control system is adopted, and the linear speed of the filter belt can be adjusted according to the water inflow, so that the working efficiency is flexibly improved; brush cleaning and high-pressure spraying cleaning are combined, so that fibers, impurities and the like on the surface of the filter belt are effectively cleaned; the filter has the advantages of large water passing amount, good filtering effect, high filtering efficiency, long service life of the filter belt and the like.

The utility model relates to the technical field of water chilling units, in particular to a drainage filtering assembly of a water-cooled water chiller, which comprises a water supply pipe and a drainage pipe which are arranged on the water-cooled water chiller, a filtering box is arranged between the water supply pipe and the drainage pipe through a connecting pipe, and the filtering box is of an annular cavity structure. The upper end of the filter box is provided with an opening, during use, cooling water enters through the water inlet pipe opening of the water supply pipe and then is discharged through the connecting pipe, the filter strip in the filter box and the water drainage pipe in sequence, the cooling water is filtered by the filter strip arranged in the cavity of the filter box under the discharge path, and during use, the cooling water passes through a limiting head in the compaction mechanism and then is discharged through the water drainage pipe. The filter strip in the filter box can be pressed and positioned, cooling water needs to penetrate through the whole filter strip, and compared with an existing filter screen filtering mode, the filter box has higher filtering precision, fine particle impurities can be effectively intercepted, and long-time stable operation of the water-cooled water chiller is guaranteed.

The present invention discloses an urban domestic sewage treatment device, comprising a filtering mechanism and a sedimentation mechanism. The sedimentation mechanism is provided on one side of the filtering mechanism; the filtering mechanism comprises a filter box, a screening mechanism, a supporting inclined rail, a supporting slide, a vibration mechanism, a first conveyor belt, a second conveyor belt, a filter belt, a convex plate, and a brushing mechanism. A plurality of supporting inclined rails are provided on one side of the top of the filter box, and a plurality of supporting slides are provided on one side of the supporting inclined rail. The rotating plate of the present invention drives the ball head rod to rotate, and the ball head rod drives the swing sleeve to swing left and right on the fixed shaft, thereby driving the swing brush to brush the solids on the filter belt and the convex plate and drop them to the second conveyor belt, thereby preventing the solids from adhering to the belt and ensuring the filtering and conveying effect of the filter belt. The electric push rod provides power for the positioning plate to slide on the filter box, and the positioning plate further drives the fixed frame to move, thereby driving the fixed shaft and the swing brush to move, thereby adjusting the relative position between the swing brush and the filter belt, and adjusting the position according to the wear of the swing brush.

The invention discloses a rainwater and dust separator, and relates to the technical field of separators, the rainwater and dust separator comprises a driving mechanism, an electrostatic adsorption part, a contact type charging assembly and a mechanical charge feedback mechanism, and the mechanical charge feedback mechanism is configured as follows: when the surface charge of the electrostatic adsorption part is lower than a first threshold value, the electrostatic adsorption part is electrically connected with the contact type charging assembly; the friction part is driven to make contact with the electrostatic adsorption part so as to conduct triboelectrification; and when the surface charge of the electrostatic adsorption component reaches or is higher than a second threshold value, the friction component is driven to be separated from the electrostatic adsorption component to stop triboelectrification, and according to the rainwater and dust separator, the circulating filter belt and the matched friction part and charge plate are arranged in the frame, so that the filter belt can be used for filtering dust in the case of wind, and the dust is prevented from entering the dust collection chamber. The filter belt carries charges through wind power, so that the electrostatic dust collection effect is achieved, rainwater can be separated through the movable louver, entering air finally becomes dry and clean airflow, and the situation that blockage is caused by dust accumulation, and internal and external heat exchange is affected is avoided.

This invention discloses a high-efficiency deep dewatering device based on the characteristics of algal sludge, relating to the field of solid waste pollution treatment technology. It includes a support frame with two sets of guide rollers distributed vertically. Two extrusion rollers are rotatably connected to the support frame. A first extrusion belt is wound around the upper set of guide rollers and adjacent extrusion rollers, while a second extrusion belt is wound around the lower set of guide rollers and adjacent extrusion rollers. A rotating roller is rotatably connected to the side of the support frame near the extrusion rollers. An electrostatic generator connected to the rotating roller is mounted on the support frame. A limiting frame is fixed to the support frame, and a drying device is mounted on the limiting frame. This invention uses electrostatic adsorption combined with drying to continuously adsorb and remove residual algal sludge from the first extrusion belt without abrading the filter belt, thereby ensuring the permeability of the filter belt in real time and maintaining stable dewatering efficiency.

The present invention relates to the technical field of wastewater treatment, and discloses a device for treating high-alkali wastewater from sand washing, comprising a belt-type concentrator body, a shell located in the belt concentrator body, and a conveyor filter belt installed at the upper end of the shell, wherein the upper end of the shell is fixedly installed with a mounting frame, and the lower end of the mounting frame is installed with two groups of mud paddles, and the front and rear groups of mud paddles are staggered, and a cavity is opened in the mounting frame. The present invention sleeves a connecting gear ring on the outer side of a rotating rod on the mud paddle, and the sawtooth bar engages with the connecting gear ring. By controlling the reciprocating movement of the sawtooth bar, a plurality of mud paddles can be driven to rotate forward and backward to avoid the mud paddles from being stationary. When the mud paddle is wider, more positions on the conveyor filter belt are not utilized, resulting in waste. When the mud paddle is narrower, the mixed liquid ditch is narrower, which affects the water flow rate of the conveyor filter belt and can avoid the ditch always remaining in the same position. In the later stage of transmission, the water flow rate at the ditch is low.