63 results about "Filter strip" patented technology

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 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 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 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 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 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 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 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 utility model relates to the technical field of industrial and mining equipment, and discloses a slurry distributor of a belt type vacuum filter, which comprises a belt type conveyor body, a box body with an open bottom is fixed at the feed end of the belt type conveyor body, and a feed pipe is arranged on the side wall of the box body close to the top. A V-shaped overflow groove and a balance plate are fixed to the two opposite inner walls of the box body respectively, the other two opposite inner walls of the box body are used for sealing the V-shaped end face of the overflow groove, the overflow groove and the feeding pipe are located on the same inner wall, the balance plate extends to the position below the outer bottom of the overflow groove, a baffle is fixed to the inner top of the box body, and the baffle extends to the position above the groove bottom of the overflow groove. The utility model has the beneficial effects that the baffle plate divides the inner cavity of the V-shaped groove into two parts, and after slurry entering the overflow groove overflows the gap between the baffle plate and the groove bottom, the slurry surface on one side, far away from the feeding pipe, of the baffle plate stably rises and overflows to the balance plate, so that air leakage of the filter belt caused by a foundation pit generated by the slurry on the filter belt due to spray is avoided, and the service life of the filter belt is prolonged. The filtering effect is ensured.

This invention discloses a combined wastewater and sludge treatment device, relating to the field of wastewater and sludge treatment technology. It includes a belt filter press, a filter belt, a detection belt, and a metal sheet wrapped within the detection belt. It also includes a sealed differential pressure detection chamber, which forms a closed detection cavity to detect the pressure difference across the filter belt in real time. A detection port is provided for detecting the metal sheet. The sealed differential pressure detection chamber includes a mounting frame, an elastic seal, a spring-loaded floating support, and a cleaning unit. It also includes a re-selection filter tank located below the cleaning unit. The differential pressure detection unit, located within the mounting frame, detects the pressure difference and controls the cleaning unit to adjust the cleaning mode. This invention enables proactive filter belt cleaning, accurately detects abnormal states such as filter belt damage and breakage, significantly improves the reliability of filter belt damage detection, extends the filter belt's service life, improves differential pressure detection accuracy, saves water resources, and significantly reduces equipment operating costs.

This utility model relates to the field of water conservancy engineering technology, specifically a water-resistant and pollution-resistant device for water conservancy projects. It includes a fixed frame, a filter element for filtering waste is disposed in the middle of the fixed frame, and a support base is disposed on the upper right side of the fixed frame. The filter element includes multiple filter strips evenly distributed in the middle of the fixed frame. Multiple evenly distributed fixing plates are slidably connected to the inner wall of the filter strips. A guide plate is disposed on the upper part of the filter strips, with one end of the guide plate away from the filter strips located on the upper right side of the fixed frame. In this water-resistant and pollution-resistant device for water conservancy projects, when the fixing plates rotate inside the filter strips, they can carry waste upwards along the filter strips. When the fixing plates move to the position of the guide plates, the waste slides away from the device along the guide plates. As the fixing plates slide, they can simultaneously push the waste between two adjacent filter strips away, thus ensuring that the multiple filter strips remain unobstructed at all times.

The utility model discloses a rapid sludge dewatering device for sewage treatment, which comprises a bottom frame, a sludge dewatering device and a sludge dewatering device, the sewage collecting tank is mounted at the upper part in the bottom frame; the double-cylinder dewatering mechanism is arranged in the sewage collecting tank; the conveying rollers are arranged below the sewage collecting tank and located on the upper side and the lower side of the extrusion filter belt; the filter belt motor is mounted on the bottom frame; and the roller motor is mounted on the underframe. According to the sludge dewatering device, the extrusion roller and the inner roller are arranged in the double-roller dewatering box, the distance between the extrusion roller and the inner roller is gradually reduced, so that the sludge is quickly dewatered when the extrusion filter belt drives the sludge to be conveyed, the dewatering efficiency of the sludge is further ensured, and meanwhile, the dewatering effect of the sludge is ensured; the sludge dewatering device is small in size, simple in structure, low in cost, capable of meeting the sludge dewatering work in different scenes, capable of effectively widening the application range, and simple and rapid in installation mode.

The present application relates to the technical field of sludge filtration, and particularly relates to a sludge filtration and purification equipment for sludge treatment; the structure comprises: a belt filter press body, comprising a rack, a plurality of squeezing rollers, a first filter belt and a second filter belt which are arranged on the outer wall of the periphery of the squeezing rollers and are driven; two stirring assemblies are arranged on the two sides of the rack and can respectively rotate and stir the sludge in the gap between the first filter belt and the second filter belt; the present application is provided with two stirring assemblies, when the sludge enters the gap between the first filter belt and the second filter belt, the loose sludge will become hardened sludge along with the filtration, the stirring assembly is started and extended to the inside of the hardened sludge, the squeezing roller drives the stirring assembly to rotate, and then the hardened sludge is stirred into pieces, the hardened sludge can be stirred into pieces, and then the subsequent filtration is carried out, the water in the sludge can be fully filtered out, and the water locking content of the hardened sludge can be reduced.

This utility model relates to the technical field of sludge distribution devices, and in particular to a sludge distribution device for a filter press. In use, the drive motor is started, causing two sets of conveying rollers, in conjunction with multiple sets of auxiliary rollers, to drive the filter belt to rotate counterclockwise. Sludge is laid on the filter belt from left to right through the sludge distribution assembly, reducing the inertial impact of the sludge on the filter belt and improving the uniformity of sludge distribution. The device includes a frame, a drive motor, conveying rollers, and a filter belt. Two sets of conveying rollers and multiple sets of auxiliary rollers are rotatably arranged inside the frame, with the auxiliary rollers positioned between the two sets of conveying rollers. A drive motor is mounted on the frame, and its output end is connected to one end of one set of conveying rollers. The filter belt is fitted around the two sets of conveying rollers. The device also includes a sludge distribution assembly and a dispersing assembly. The sludge distribution assembly is mounted on the frame, and multiple dispersing assemblies are installed at the top of the frame.

The invention relates to the technical field of sludge treatment, in particular to a belt filter press for sludge and sewage treatment, which comprises a rack, an equipartition device arranged above the rack, a rolling cylinder device and a filter belt structure, the rolling cylinder device and the filter belt structure are rotatably mounted on the rack, a feeding end is arranged above the rack, and a slag discharging end is arranged on one side of the rack; two separation assemblies are arranged at the residue outlet end, each separation assembly comprises two separation rollers and two fixing shafts, the two separation rollers are used for residue outlet separation of the filter belt structure, and the two fixing shafts are fixedly connected to the rack; an installation space is formed in the separation roller, a plurality of vibration assemblies are arranged in the installation space, and each vibration assembly comprises a vibration piece, a magnetic strip and a plurality of pushing magnetic blocks. According to the invention, dewatered sludge can be subjected to vibration separation, and the blockage of filter holes is reduced, so that the filtering effect of a subsequent filter belt structure is ensured, the cleaning of a sludge film is reduced, and the overall filter pressing efficiency is improved.

The utility model discloses a waste water treatment solid waste filtering device which comprises a water inlet cover, a waste water filtering tank, solid waste storage cavities and a water filtering and feeding mechanism, the water inlet cover is arranged in the middle of the top end of the waste water filtering tank, the water filtering and feeding mechanism is arranged in the middle of an inner cavity of the waste water filtering tank, and the solid waste storage cavities are arranged on the two sides of the waste water filtering tank. A supporting base is arranged at the bottom of the wastewater filtering tank, and a drainage pipe is arranged in the middle of the front face of the wastewater filtering tank. The device is provided with the wastewater filtering tank and the solid waste storage cavity, filtered solid and liquid can be separated and stored through the wastewater filtering tank and the solid waste storage cavity, a water inlet cover is arranged in the middle of the top end of the wastewater filtering tank, water can be conveniently fed through the water inlet cover, a water distribution pipe is arranged at the bottom of the water inlet cover through a sewage guide pipe, and a plurality of nozzles are arranged at the bottom of the water distribution pipe. The wastewater can be uniformly diffused and discharged, so that the filtration is finer, the filtration effect is improved, and the filtered water feeding mechanism can be automatically conveyed through a filter belt.

The invention relates to the technical field of sludge treatment, in particular to sludge dewatering equipment. Comprising a machine table, a controller is installed on the side face of the machine table, a water filtering space and a cleaning space are formed in the machine table, the water filtering space is used for collecting liquid separated from sludge, a water storage frame is installed in the machine table, a drainage mechanism used for draining the liquid is arranged on the machine table, and an electric roller and an electric shaft are rotatably installed in the machine table at intervals. The clamping assembly composed of the fixed clamping plate and the movable clamping plate is arranged on the belt conveyor and matched with the pressing mechanism composed of the abutting rod and the spring, so that the movable clamping plate is pressed to move downwards when moving to the position of the abutting rod, the movable clamping plate and the fixed clamping plate jointly clamp the edges of the upper filter belt and the lower filter belt, and therefore gaps in the two sides of the filter belts are dynamically blocked; sludge is effectively prevented from overflowing from the edge of the filter belt in the high-pressure dehydration process, the problems of material loss, environmental pollution and equipment blockage are avoided, and the continuity and operation stability of the dehydration process are remarkably improved.