CN116239282A - Filter press for sludge treatment - Google Patents
Filter press for sludge treatment Download PDFInfo
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- CN116239282A CN116239282A CN202310230886.8A CN202310230886A CN116239282A CN 116239282 A CN116239282 A CN 116239282A CN 202310230886 A CN202310230886 A CN 202310230886A CN 116239282 A CN116239282 A CN 116239282A
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- 239000010802 sludge Substances 0.000 title claims abstract description 78
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 173
- 238000003825 pressing Methods 0.000 claims abstract description 166
- 239000012535 impurity Substances 0.000 claims abstract description 39
- 230000005291 magnetic effect Effects 0.000 claims description 58
- 238000007789 sealing Methods 0.000 claims description 20
- 230000005294 ferromagnetic effect Effects 0.000 claims description 18
- 238000001914 filtration Methods 0.000 claims description 14
- 230000000087 stabilizing effect Effects 0.000 claims description 12
- 239000010813 municipal solid waste Substances 0.000 claims description 5
- 230000005389 magnetism Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 39
- 230000000694 effects Effects 0.000 abstract description 15
- 230000003749 cleanliness Effects 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 abstract description 4
- 239000010865 sewage Substances 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000011086 high cleaning Methods 0.000 abstract 1
- 238000010992 reflux Methods 0.000 abstract 1
- 238000007790 scraping Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 238000000926 separation method Methods 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 238000004064 recycling Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 210000004027 cell Anatomy 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 230000002441 reversible effect Effects 0.000 description 4
- 210000002421 cell wall Anatomy 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 230000001580 bacterial effect Effects 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 239000010954 inorganic particle Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to the technical field of filter presses, in particular to a filter press for sludge treatment, which comprises a filter pressing box, wherein one side of the outer wall of the filter pressing box is provided with a controller, the inside of the filter pressing box is connected with a pressing plate in a sliding manner, the top of the pressing plate is provided with a guide assembly, the bottom of one side surface of the filter pressing box is clamped with a filter plate, the filter pressing box is positioned at the upper part of the filter plate and is provided with a water outlet, the outer end part of the water outlet is provided with a water inlet frame, the inside of the water inlet frame is provided with a reflux assembly, and the bottom of the water inlet frame is communicated with a plurality of groups of water inlet pipes; the invention has high cleaning efficiency, good cleaning effect, high sewage disposal efficiency, good scraping effect on residual sludge impurities and the like on the inner wall of the filter pressing box, ensures the cleanliness and pollution-free performance of each device, and particularly can thoroughly and efficiently recycle and remove impurities for reuse of cleaning water, and has the advantages of energy conservation, emission reduction, environmental protection, strong circularity and high stability.
Description
Technical Field
The invention relates to the technical field of filter presses, in particular to a filter press for sludge treatment.
Background
Municipal sludge is a semisolid or solid substance generated in the sewage treatment process, is an extremely complex non-uniform mass composed of organic residues, bacterial cells, inorganic particles, colloid and the like, and therefore a series of means are needed to be adopted in the municipal sludge treatment, and the sludge treatment is completed by the mutual cooperation of a sludge receiving system, a cavitation wall breaking system, a mechanical filter pressing system, a sludge sensing inflator, a sludge incineration system, a heat exchange system, an electrical control system and the like.
The filter press in the mechanical filter pressing system utilizes a special filter medium to apply a certain pressure to the object, so that the mechanical equipment for dialyzing the liquid is common solid-liquid separation equipment, and the filter press can be used for removing water in the sludge during sludge treatment due to the fact that the solid-liquid separation equipment can be well used for carrying out solid-liquid separation, so that the sludge and the internal water can be reused.
The existing filter press is difficult to scrape residual sediment on the filter plate due to small filter plate pores and softer materials, so that the filter plate cannot be sufficiently cleaned after the filter plate is used for filter pressing sludge, and further the next sludge filter pressing effect is greatly influenced, so that moisture in the sludge cannot be sufficiently pressed out.
Meanwhile, after the sludge is subjected to filter pressing, sludge impurities are easy to adhere to the inner walls of the pressing plate, the limiting plate and the filter pressing box, if the sludge cannot be timely cleaned, the durability of the components can be reduced, and meanwhile, the influence on the filter pressing of the follow-up sludge can be caused.
Particularly, when the cleaning water is recycled, how to store and drain the cleaning water rapidly and reasonably is important, and in the prior art, the water storage and drainage modes in the device are not adaptively adjusted according to different processes of the cleaning water, so that excessive waste of the cleaning water is caused.
Finally, when the cleaning water is recycled, a large amount of impurities are often carried in the cleaning water, if the impurities cannot be filtered and discharged in time, the pipeline can be blocked, the cleaning in the subsequent filter pressing box can be influenced,
disclosure of Invention
The invention aims to solve the problems and provides a filter press for sludge treatment.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a pressure filter for sludge treatment, includes the filter-pressing case, outer wall one side of filter-pressing case is equipped with the controller, the inside sliding connection of filter-pressing case has the clamp plate, the top of clamp plate is equipped with guide assembly, the bottom joint of a filter-pressing case side has the filter, the filter-pressing case is located the upper portion of filter has seted up the outlet, the outer tip of outlet is equipped with into water frame, the inside of intaking the frame is equipped with the backward flow subassembly, the bottom intercommunication of intaking the frame has the multiunit inlet tube;
the guide assembly comprises an inclined block, the inclined block is positioned at the top of the pressing plate, an elastic rotating plate is rotatably connected to the top of one side, far away from the filtering plate, of the inclined block through a hinging seat, an electromagnetic plate is arranged in the middle of one end, close to the filtering plate, of the elastic rotating plate, and a ferromagnetic plate is arranged at the end, close to the filtering plate, of the inclined block;
the backflow component comprises a herringbone inclined filter plate, magnetic blocks are arranged at two side ends of the herringbone inclined filter plate, the bottom of each magnetic block is identical to the magnetism of the top of the electromagnetic plate, a supporting spring is arranged at the bottom of each magnetic block, the bottom of each supporting spring is fixedly connected with the inner bottom of the water inlet frame, impurity outlets are formed in two sides of the water inlet frame, and the magnetic blocks are matched with the impurity outlets.
Preferably, the ferromagnetic plate is close to the tip of filter with the inner wall sealing sliding connection of filter-pressing case, the bottom of electromagnetic plate is equipped with connecting spring, connecting spring's bottom with the top fixed connection of ferromagnetic plate, the both ends of elasticity pivoted plate all with the inner wall sealing sliding connection of filter-pressing case, the elasticity pivoted plate is close to the bottom of filter end is equipped with the elasticity separation piece, the bottom of elasticity separation piece with the ferromagnetic plate is close to the top fixed connection of filter end.
Preferably, the inside uniform array of the inclined filter plate of chevron shape is equipped with multiunit filtration pore, the both sides wall of intaking the frame all is equipped with the curb plate, the top of curb plate is equipped with album miscellaneous case, the top opening of album miscellaneous case with go out the interior bottom of miscellaneous mouth and be parallel, go out the interior top of miscellaneous mouth and be equipped with the wedge, the wedge with the inclined filter plate of chevron shape with the inclination phase-match of magnetic block.
Preferably, the middle part at clamp plate top is equipped with the guide arm, the top of guide arm runs through along the vertical direction the filter-pressing case and extends to the top of filter-pressing case, the top of guide arm is equipped with the connecting plate, the top equidistance of connecting plate is equipped with three hydraulic stem, the bottom of connecting plate is equipped with distance sensor, distance sensor is used for detecting the connecting plate bottom with distance value between the filter-pressing case top.
Preferably, the height of the pressing plate is larger than that of the filter plate, a water outlet cover is arranged on the outer side of the filter plate, the side face of the water outlet cover is fixedly connected with the outer side face of the filter pressing box, and a water outlet valve is fixedly communicated with the bottom of the other side face of the water outlet cover.
Preferably, the height of clamp plate is greater than the height of filter, the outside of filter is provided with out the water cap, the filter-pressing case is close to the tip of filter is equipped with two L type water tanks, the side bottom of L type water tank all is equipped with the booster pump, the water inlet end of booster pump all runs through along the horizontal direction L type water tank and extends to the inside of L type water tank, the water outlet end of booster pump all is fixed to be linked together and is had the water supply pipe, the water supply pipe is kept away from the one end of booster pump all runs through along the horizontal direction go out the water cap and extends to go out the inside of water cap.
Preferably, two mounting frames are arranged on two side surfaces of the bottom surface of the filter pressing box, mounting through grooves are formed in the mounting frames, square sealing rings are clamped at the middle positions of the inside of the pressing plates, and the outer surfaces of the square sealing rings are in contact with the inner wall of the filter pressing box.
Preferably, the filter-pressing case is close to the side middle part fixed intercommunication of filter has the inlet pipe, the inlet pipe surface is equipped with flange, the top of filter-pressing case is equipped with the support frame, the top of hydraulic rod all with the interior roof fixed connection of support frame, the inner wall bottom of support frame is equipped with four firm pieces, the bottom surface of firm piece all with the top fixed connection of filter-pressing case.
Preferably, two stabilizing columns are arranged on two sides of the bottom surface of the connecting plate, the bottom ends of the stabilizing columns penetrate through the filter pressing box in the vertical direction and are fixedly connected with the top of the pressing plate, a plurality of groups of through holes are formed in the elastic rotating plate and the inclined block, and the stabilizing columns and the guide rods are matched with the through holes in a sealing mode.
Preferably, the bottom sliding connection of filter-pressing case inner wall has the limiting plate, the limiting plate is kept away from one side of filter runs through along the horizontal direction the filter-pressing case and extends to the outside of filter-pressing case, the limiting plate is kept away from the side of filter is equipped with L type frame, the inside wall of L type frame is equipped with two electric putter, electric putter be close to the filter-pressing case end all with the lateral surface bottom fixed connection of filter-pressing case.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, through the mutual matching of the arranged hydraulic rod, the connecting plate, the guide rod and other parts, the pressing plate can be pushed to move downwards and press-filter sludge, so that the filter plate can be cleaned more fully, and the next sludge press-filtering effect is ensured.
2. According to the invention, by arranging the water outlet, the water inlet frame and other parts to be matched with each other, when the pressing plate moves upwards, the sprayed water body can be driven to move upwards and flow back into the L-shaped water tank from the water inlet pipe through the water outlet and the water inlet frame, so that the water resource is saved, and the effect that the cleaning work of the filter plate can be continuously carried out along with the sludge press filtration work is ensured.
3. This application is through setting up mutually supporting of parts such as electromagnetic plate, ferromagnetic board and magnetic block, and clean efficient, clean effectual, blowdown is efficient, and it is effectual to strike off residual mud impurity etc. of filter-pressing incasement wall, guarantees the cleanliness and the nothing nature of each device, and especially can also thoroughly efficient recovery edulcoration recycle to clean water, energy saving and emission reduction, green, the circularity is strong, stability is high.
4. The utility model discloses a press the mud that the moisture content is greater than 80 percent to the moisture content below 50 percent through mutually supporting of parts such as clamp plate and filter, degree of automation is high, and the dehydration of mud is effectual.
Drawings
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of a press filtration tank of the present invention;
FIG. 3 is a schematic view of an L-shaped water tank according to the present invention;
FIG. 4 is a schematic cross-sectional view of a support frame according to the present invention;
FIG. 5 is a schematic view of a limiting plate structure according to the present invention;
FIG. 6 is a schematic elevational cross-sectional view of the guide assembly of the present invention;
FIG. 7 is an enlarged schematic view of FIG. 6 at A;
FIG. 8 is a schematic elevational cross-sectional view of a reflow assembly of the present invention;
fig. 9 is an enlarged schematic view at B in fig. 8.
In the figure: 1. a filter pressing box; 2. a pressing plate; 3. a guide rod; 4. a connecting plate; 5. a hydraulic rod; 6. a filter plate; 7. a water outlet cover; 8. a water outlet valve; 9. an L-shaped water tank; 10. a booster pump; 11. a water supply pipe; 12. a water inlet pipe; 13. a water inlet frame; 14. a water outlet; 15. a mounting frame; 16. installing a through groove; 17. a tilting block; 18. square sealing ring; 19. a feed pipe; 20. a connecting flange; 21. a support frame; 22. a stabilizing block; 23. stabilizing the column; 24. a guide assembly; 25. a limiting plate; 26. an L-shaped frame; 27. an electric push rod; 28. an elastic rotation plate; 29. a through hole; 30. a ferromagnetic plate; 31. a connecting spring; 32. an electromagnetic plate; 33. an elastic barrier sheet; 34. a side plate; 35. a trash collection box; 36. a impurity outlet; 37. a support spring; 38. a herringbone inclined filter plate; 39. a magnetic block; 40. a wedge surface; 41. and a reflow assembly.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
First embodiment
Municipal sludge is a semisolid or solid substance generated in the sewage treatment process, is an extremely complex non-uniform mass composed of organic residues, bacterial cells, inorganic particles, colloid and the like, and therefore a series of means are needed to be carried out when the municipal sludge is treated, wherein the related process flow comprises a sludge receiving system, a cavitation wall breaking system, a mechanical filter pressing system, a sludge sensing inflator, a sludge incineration system, a heat exchange system and an electrical control system, and the specific components comprise: the sludge treatment device comprises a sludge receiving hopper, a conveyor, a hoister, an empty call wall breaking machine, a conditioning storage tank, an incinerator, a dryer, a filter press, a fan, a heat exchanger, a spray tower, a steam-water separator, a generator, a pulse dust collector, a chimney and other components, and further thoroughly and effectively treats the sludge.
The following describes each system in detail:
sludge receiving system: comprises a sludge storage pool which can accept 1.5 days of sludge; concrete structure, corrosion resistance and no leakage; the workshop is required to be closed, negative pressure induced draft and no odor overflow.
Cavitation broken wall system: hydrodynamic cavitation wall breaking equipment and working mechanism: the core device of the hydrodynamic cavitation sludge wall breaking equipment consists of a pressure equalizing chamber and a cavitation chamber, wherein the sludge is pumped into the pressure equalizing chamber and then enters the cavitation chamber, the sludge is forced to rotate at a high speed through a truncated nozzle in the cavitation chamber, when the static pressure of liquid falls below a critical value, a cavity is formed and is continuously expanded, along with the sudden increase of the pressure at the outlet of the nozzle, the cell wall cannot bear the surrounding pressure any more, the cell wall is broken, in the process, extremely high temperature and strong pressure waves are generated around the cell, the hydrodynamic cavitation phenomenon occurs to finish the cell wall breaking treatment of the sludge, 20% of water in the sludge is water in the cell, and the sludge can be extruded 8-15% of water in the subsequent filter pressing through cavitation wall breaking, so that the sludge drying energy consumption is reduced.
Mechanical filter pressing system: breaking wall, and dehydrating sludge to below 50%; the method is a key of the whole process, if lime and other raw materials are added, the heat value is reduced after drying, the sludge can not be dried in a self-sustaining manner, and the energy is added for drying, so that the sludge disposal cost is increased.
And a sludge drying system: the multi-layer belt dryer is adopted, so that the tightness is good; the granularity of the sludge is good, which is beneficial to the subsequent incineration; and the 304 stainless steel material is adopted, so that the steel is durable.
Sludge incineration system: the reciprocating grate incinerator is selected, so that ash is less; the materials contacting with the materials and the smoke are all corrosion-resistant and high temperature-resistant materials.
Heat exchange system: the inner pipelines of the boiler are made of corrosion-resistant stainless steel materials, and are durable; the steam heat exchanger pipeline is made of corrosion-resistant stainless steel materials; the flue gas heat exchanger is made of a corrosion-resistant fluoroplastic material; the heat exchanger shell is made of stainless steel or glass fiber reinforced plastic material and is corrosion-resistant.
An electrical control system: the complete equipment only needs to be monitored by one person in a central control room; recording all production element data to form a production cost report; real-time monitoring and recording operation parameters such as water content, temperature, air pressure and the like of materials; remotely monitoring the Internet of things; and the equipment maintenance prompts and alarms.
Second embodiment
The application further defines a filter press involved in the mechanical filter pressing system according to the first embodiment, and specifically includes:
referring to fig. 1 to 5, a filter press for sludge treatment, including filter-pressing case 1, outer wall one side of filter-pressing case 1 is equipped with the controller, each electrical component of controller electrical control, the inside sliding connection of filter-pressing case 1 has clamp plate 2, the middle part at clamp plate 2 top is equipped with guide arm 3, the top of guide arm 3 runs through filter-pressing case 1 along the vertical direction and extends to the top of filter-pressing case 1, the top of guide arm 3 is equipped with connecting plate 4, the top equidistance of connecting plate 4 is equipped with three hydraulic stem 5, drive connecting plate 4 and reciprocate with the help of hydraulic stem 5, synchronous drive guide arm 3 reciprocates when connecting plate 4 reciprocates, drive clamp plate 2 when the guide arm 3 reciprocates in filter-pressing case 1 inside reciprocates to filter-pressing 1 inside mud.
The bottom surface both sides face of filter-pressing case 1 is equipped with two mounting brackets 15, and installation logical groove 16 has all been seted up at the top of every mounting bracket 15, and the instrument such as through groove 16 can utilize the bolt to fix the device through mounting bracket 15 cooperation installation for the device can be firm fix in working position, has increased the steadiness of the device during operation.
The filter-pressing case 1 side bottom joint has filter 6, and the outside of filter 6 is provided with out water cover 7, goes out the side of water cover 7 and the lateral surface fixed connection of filter-pressing case 1, goes out the fixed intercommunication in the bottom of water cover 7 another side and has a water outlet valve 8, drains through water outlet valve 8, and the height of clamp plate 2 is greater than the height of filter 6, consequently when clamp plate 2 moves to maximum downwards, clamp plate 2 lateral wall blocks up filter 6, and then the water between clamp plate 2 bottom and limiting plate 25 top of being convenient for is followed in the filter 6 reverse drainage goes out water cover 7.
The square sealing ring 18 is clamped at the middle position of the inside of the pressing plate 2, the outer surface of the square sealing ring 18 is in contact with the inner wall of the filter pressing box 1, the tightness between the pressing plate 2 and the filter pressing box 1 can be improved through the clamping of the square sealing ring 18, and liquid and pressure are not prone to leakage from a gap.
The terminal surface that is close to filter 6 of filter-pressing case 1 is equipped with two L type water tanks 9, the side bottom of L type water tank 9 all is equipped with booster pump 10, the water inlet end of every booster pump 10 all runs through L type water tank 9 along the horizontal direction and extends to the inside of L type water tank 9, the play water end of every booster pump 10 all fixed intercommunication has water supply pipe 11, the one end that every water supply pipe 11 kept away from booster pump 10 all runs through water outlet cover 7 along the horizontal direction and extends to the inside of water outlet cover 7, the water that works with L type water tank 9 through booster pump 10 is followed water supply pipe 11 and is discharged water outlet cover 7 inside and carry out reverse washing to filter 6.
The filter-pressing case 1 is located the upper portion of filter 6 and has offered outlet 14, and the outer tip of outlet 14 is equipped with into water frame 13, and the bottom intercommunication of intaking frame 13 has multiunit inlet tube 12, and then is discharged along outlet 14 when the clean water after filter-pressing case 1 washs to intake frame 13 back and finally follow inlet tube 12 backward flow to L type water tank 9 in store and follow-up use.
The top of filter-pressing case 1 is equipped with support frame 21, the top of every hydraulic stem 5 all with the interior roof fixed connection of support frame 21, support frame 21 can support and stabilize hydraulic stem 5 for hydraulic stem 5 can be better carry out work, guaranteed the normal work of hydraulic stem 5, the inner wall bottom of support frame 21 is equipped with four firm pieces 22, the bottom surface of every firm piece 22 all with the top fixed connection of filter-pressing case 1, firm piece 22 can increase the firm in connection degree of support frame 21 and filter-pressing case 1, make support frame 21 difficult emergence not hard up, guarantee the use steadiness of support frame 21.
The filter-pressing case 1 is close to the fixed intercommunication in side middle part of filter 6 and has inlet pipe 19, and the opposite side of inlet pipe 19 surface is equipped with flange 20, and inlet pipe 19 can make things convenient for the staff to send into filter-pressing case 1 inside with the mud that needs the filter-pressing, and flange 20 can make things convenient for inlet pipe 19 to be linked together with feeding mechanism pipeline, has guaranteed inlet pipe 19's installation effectiveness.
The bottom surface both sides of connecting plate 4 are equipped with two firm posts 23, and the bottom of every firm post 23 all runs through filter-pressing case 1 along the vertical direction and with the top fixed connection of clamp plate 2, and firm post 23 can make clamp plate 2's pressurized point more even, prevents that clamp plate 2 from taking place the skew to influence the filter-pressing effect, has guaranteed clamp plate 2's result of use.
The bottom sliding connection of filter-pressing case 1 inner wall has limiting plate 25, one side that limiting plate 25 kept away from filter 6 runs through filter-pressing case 1 along the horizontal direction and extends to the outside of filter-pressing case 1, the side that limiting plate 25 kept away from filter 6 is equipped with L type frame 26, the inside wall of L type frame 26 is equipped with two electric putter 27, every electric putter 27 is close to filter-pressing case 1 end all with filter-pressing case 1's lateral surface bottom fixed connection, it seals the bottom of filter-pressing case 1 to pass through limiting plate 25, guarantee that filter-pressing work goes on smoothly, utilize power cooperation L type frame 26 that electric putter 27 provided can drive limiting plate 25 outside motion for the mud cake that the filter-pressing accomplished can follow the bottom smoothly and discharge.
When the filter press is used, firstly, the hydraulic rod 5, the booster pump 10 and the electric push rod 27 are communicated with a power supply, when the sludge is required to be subjected to filter pressing treatment, the sludge is added into the filter press box 1 through the feed pipe 19, after the addition reaches a proper position, the controller controls the power fit support frame 21 and the connecting plate 4 provided by the hydraulic rod 5 to push the guide rod 3 and the pressing plate 2 to move downwards, at the moment, the filter press can be performed on the sludge in the filter press box 1, the filtering of the sludge by the filter plate 6 can enable the extruded water body to flow outwards through the water outlet cover 7 and the water outlet valve 8, after the filter press is completed, the limit plate 25 can be driven to slide outwards by the power fit filter press box 1 and the L-shaped frame 26 provided by the electric push rod 27, after the limit plate 25 slides out, the completed sludge cake can be pushed out to the bottom by the downward press by the action fit of the pressing plate 2 again of the hydraulic rod 5, and then the filter press on the sludge is completed.
After mud cake is pushed out, the controller controls the electric push rod 27 to drive the limiting plate 25 to slide into the filter pressing box 1 again, at this time, the controller closes the water outlet valve 8, and the water body inside the L-shaped water tank 9 is fed into the water outlet cover 7 through the water feeding pipe 11 by virtue of the suction force provided by the booster pump 10, along with the increase of water pressure, water flow can flow into the filter pressing box 1 through the filter plate 6, as the water flow direction is opposite to the filtering direction during filter pressing, residual mud on the filter plate 6 can be washed away, so that the filter plate 6 can be cleaned more fully, the next mud filter pressing effect is effectively ensured, and the controller controls the hydraulic rod 5 to drive the pressure plate 2 to move up and down in the filter pressing box 1 continuously, the pressure intensity between the bottom of the pressure plate 2 and the top of the limiting plate 25 is continuously changed by virtue of the movement of the pressure plate 2, and the residual mud at the bottom of the pressure plate 2 and the top of the limiting plate 25 is cleaned by cleaning water, and the cleanliness of the device is further improved.
After the hydraulic rod 5 drives the pressing plate 2 to be contacted with the top of the limiting plate 25, clean water is backflushed into the water outlet cover 7, the controller controls the electric push rod 27 to start and drive the limiting plate 25 to slide out of the filter pressing box 1, then the controller controls the hydraulic rod 5 to continuously drive the pressing plate 2 to continuously move downwards, the height of the top of the pressing plate 2 is lower than that of the filter plate 6, then the water in the water outlet cover 7 flows back to the top of the pressing plate 2 along the filter plate 6, then the hydraulic rod 5 contracts to drive the pressing plate 2 to move upwards in a return stroke mode, when the pressing plate 2 moves to the guide assembly 24 to be parallel to the water outlet 14, a large amount of clean water resources in the filter pressing box 1 can flow into the water inlet frame 13 through the water outlet 14 and flow back into the L-shaped water tank 9 again for recycling, the clean water of the filter plate 6 can be saved by recycling most of water, meanwhile, the cleaning work of the filter plate 6 can be continuously carried out along with the sludge filter pressing work, and the use effect of the filter plate 6 of the filter press is further ensured.
The device is efficient to the filter-pressing of mud, and filter-pressing is effectual, and is effectual to the inside cleanness of filter-pressing case 1, and the row material is stable, and is effectual to the reverse clear stifled of filter 6, can also reverse recycle with clean water simultaneously, green, energy saving and emission reduction.
Third embodiment
As shown in fig. 6 to 9, in actual use, since the top of the pressing plate 2 is to recover and transport the cleaning water of the water outlet cover 7 upwards, and the cleaning water is required to be discharged at the water outlet 14, the cleaning water is easy to be partially lost in the transportation process, so as to reduce the recycling rate, and part of sludge impurities remain in the cleaning water, if the cleaning water is directly returned to the L-shaped water tank 9 for subsequent use, the cleaning water is easy to cause blockage of a pipeline, and the cleaning effect of the cleaning blockage and scouring in the subsequent use is also influenced, and the cleaning effect of the inner wall of the filter pressing box 1 is finally reduced, so that the filter press for sludge treatment further comprises: the bottom of connecting plate 4 is equipped with distance sensor, and distance sensor is used for detecting the distance value between connecting plate 4 bottom and the filter-pressing case 1 top, and distance sensor indirect obtains the distance that clamp plate 2 reciprocated.
The top of the pressing plate 2 is provided with a guide component 24, and the guide component 24 is mainly used for adjusting the inclination angle of the top of the pressing plate 2, so that when water storage is required at the top of the pressing plate 2, the guide component 24 inclines downwards along the end of the filter plate 6 to the other end; when the top of the pressing plate 2 needs to be discharged along the water outlet 14, the top of the pressing plate 2 is inclined upwards along the end of the filtering plate 6 to the other end, different action effects of the guiding component 24 in different time periods are effectively improved, the inside of the water inlet frame 13 is provided with the backflow component 41, and the backflow component 41 is matched with the movement and rotation of the guiding component 24 to filter and clean water discharged along the water outlet 14.
The guide assembly 24 comprises an inclined block 17, the inclined block 17 is located at the top of the pressing plate 2, the top of one side of the inclined block 17, far away from the filter plate 6, is connected with an elastic rotating plate 28 through a hinging seat in a rotating manner, the elastic rotating plate 28 rotates in the filter pressing box 1, the inclined direction of the elastic rotating plate 28 is adjusted, different water storage and drainage effects are achieved, an electromagnetic plate 32 is arranged in the middle of one end of the elastic rotating plate 28, close to the filter plate 6, the end of the inclined block 17, close to the filter plate 6, is provided with a ferromagnetic plate 30, a connecting spring 31 is arranged at the bottom of the electromagnetic plate 32, the bottom of the connecting spring 31 is fixedly connected with the top of the ferromagnetic plate 30, when the electromagnetic plate 32 is electrified and is magnetic, the electromagnetic plate 32 moves downwards through the magnetic attraction force with the ferromagnetic plate 30, the hinging seat at the end of the elastic rotating plate 28 rotates anticlockwise along the hinging seat at the end of the inclined block 17, so that the top of the elastic rotating plate 28 tilts upwards along the end of the filter plate 6, cleaning water stored at the top of the elastic rotating plate 28 is conveniently discharged, and when water storage is needed, the controller controls the electromagnetic plate 32 to be powered off, the elastic rotating plate 32 is driven by the connecting spring 31 to move downwards along the hinging seat at the other end of the elastic rotating plate 28, and the elastic rotating plate 28 moves downwards along the hinging seat at the end of the elastic rotating plate 28.
The end that ferromagnetic board 30 is close to filter 6 and the inner wall sealing sliding connection of filter-pressing case 1, the both ends portion and the inner wall sealing sliding connection of filter-pressing case 1 of elasticity pivoted plate 28, the bottom that elasticity pivoted plate 28 is close to the end of filter 6 is equipped with elasticity separation piece 33, the bottom of elasticity separation piece 33 and the top fixed connection that ferromagnetic board 30 is close to the end of filter 6, be provided with effectual improvement direction subassembly 24 through above each part, the sealing slidability of especially elasticity pivoted plate 28 and clamp plate 2 and filter-pressing case 1 inner wall, and the clean water at cooperation elasticity pivoted plate 28 top carries out effectual striking off to filter-pressing case 1 inner wall residual mud etc. with the clean water, cleaning efficiency is higher, the cleaning effect is better.
The elastic rotating plate 28 and the inclined block 17 are internally provided with a plurality of groups of through holes 29, the stabilizing column 23 and the guide rod 3 are matched with the through holes 29 in a sealing manner, and the sealing stability of the elastic rotating plate 28 and the stabilizing column 23 and the guide rod 3 during rotation is effectively improved by means of the through holes 29.
The backflow component 41 comprises a herringbone inclined filter plate 38, the middle height of the herringbone inclined filter plate 38 is higher than the heights of two sides, impurities and the like filtered out by the top of the herringbone inclined filter plate 38 can flow to two sides and be discharged, the two side ends of the herringbone inclined filter plate 38 are respectively provided with a magnetic block 39, the inclination angle and the direction of each magnetic block 39 are matched with the inclination directions of the two ends of the herringbone inclined filter plate 38, the bottom of each magnetic block 39 is identical to the magnetism of the top of the electromagnetic plate 32, a supporting spring 37 is arranged at the bottom of each magnetic block 39, the bottom of each supporting spring 37 is fixedly connected with the inner bottom of the water inlet frame 13, therefore, when the magnetism of the electromagnetic plate 32 is increased and the distance between the magnetic blocks 39 is reduced, the magnetic repulsive force of the electromagnetic plate 32 on the magnetic blocks 39 is increased, the magnetic repulsive force of the magnetic blocks 39 is stretched to the maximum distance, when the electromagnetic plate 32 moves downwards and the magnetic repulsive force of the magnetic blocks 39 is reduced, the magnetic blocks 39 move downwards to the minimum distance under the action of the supporting springs, the bottoms of the magnetic blocks 39 are matched with the magnetic blocks 36 on the two sides of the magnetic blocks 32, and the magnetic blocks 36 move downwards to the maximum distance between the magnetic blocks 36 and the maximum distance between the magnetic blocks and the magnetic blocks are the maximum distance between the magnetic blocks and the magnetic blocks are reduced.
The inside of the herringbone inclined filter plate 38 is uniformly provided with a plurality of groups of filter holes, the filter holes are used for filtering clean water, the side plates 34 are arranged on the two side walls of the water inlet frame 13, the impurity collecting box 35 is arranged at the top of the side plates 34, the top opening of the impurity collecting box 35 is parallel to the inner bottom of the impurity outlet 36, sludge impurities discharged along the impurity outlet 36 and the like flow back into the impurity collecting box 35, the inner top of the impurity outlet 36 is provided with a wedge-shaped surface 40, the wedge-shaped surface 40 is matched with the inclined angles of the herringbone inclined filter plate 38 and the magnetic block 39, and therefore when the magnetic block 39 moves upwards to the maximum distance, the tops of the magnetic block 39 and the herringbone inclined filter plate 38 are matched with the wedge-shaped surface 40 and block the impurity outlet 36, so that the clean water at the top of the herringbone inclined filter plate 38, the sludge impurities and the like cannot be discharged into the impurity collecting box 35 along the impurity outlet 36.
When the filter press device is used, after the filter press is completed and discharged by the sludge in the filter press box 1, the controller controls the limiting plate 25 to be reversely inserted into the filter press box 1, then the controller controls the booster pump 10 to start and discharge clean water into the water outlet cover 7, the clean water flows into the space between the bottom of the pressing plate 2 and the top of the limiting plate 25 along the filter plate 6, and then the filter plate 6, the pressing plate 2 and the limiting plate 25 are scoured and cleaned by the clean water, so that the cleanliness and the stability of the device are effectively improved.
When the filter plate 6, the pressing plate 2 and the limiting plate 25 are cleaned, the controller controls the pressing plate 2 to move downwards to the top of the limiting plate 25 and contact with the top of the limiting plate 25, at the moment, cleaning water between the pressing plate 2 and the limiting plate 25 is refluxed into the water outlet cover 7, then the controller controls the electric push rod 27 to start and drive the limiting plate 25 to slide out of the filter pressing box 1, meanwhile, due to the blocking effect of the pressing plate 2 on the filter plate 6, cleaning water in the water outlet cover 7 cannot flow into the filter pressing box 1, the controller controls the hydraulic rod 5 to start and drive the connecting plate 4 to further descend, the distance value detected by the distance sensor is reduced, the electrifying current in the electromagnetic plate 32 is reduced, the magnetic attraction force exerted by the electromagnetic plate 32 on the ferromagnetic plate 30 is reduced, the elastic rotating plate 28 is driven to rotate clockwise around the hinging seat at the end part of the tilting block 17 under the elastic force of the connecting spring 31, when the connecting plate 4 descends to the minimum value, the distance value detected by the distance sensor reaches the preset value of the minimum distance, the controller controls the electromagnetic plate 32 to be powered off, and at the moment, the elastic rotating plate 28 rotates clockwise to the maximum angle around the hinging seat at the end part of the tilting block 17 under the elastic force of the connecting spring 31, the elastic rotating plate 28 tilts downwards along the end of the filter plate 6 to the other end, the pressing plate 2 moves downwards to the proper position, the elastic rotating plate 28 is close to the end of the filter plate 6 and is positioned at the bottom of the filter plate 6, at the moment, the cleaning water in the water outlet cover 7 flows to the top of the elastic rotating plate 28 along the filter plate 6, and the top of the elastic rotating plate 28 stores the cleaning water by means of the state that the elastic rotating plate 28 tilts downwards along the end of the filter plate 6 to the other end, and further effectively improves the performance of cleaning the inner wall of the filter pressing box 1 and recycling the cleaning water.
After the clean water in the water outlet cover 7 flows to the top of the elastic rotating plate 28 along the filter plate 6, the controller controls the hydraulic rod 5 to reversely start and drive the connecting plate 4 to move upwards, the distance value detected by the distance sensor is increased, the controller controls the electromagnetic plate 32 to gradually increase the electrified current, in particular, when the connecting plate 4 moves upwards, the guide rod 3 drives the press plate 2 to move upwards, and when the press plate 2 moves upwards, the clean water at the top of the elastic rotating plate 28 and the press plate 2 are in sealing sliding connection with the inside of the filter pressing box 1, so that the sludge impurities attached to the inner wall of the filter pressing box 1 are further scraped and cleaned, the cleaning performance of the attached sludge is improved by matching with the clean water, the neatness and the decontamination performance of the inner wall of the filter pressing box 1 are ensured, the adaptability is better, and the stability is higher.
Meanwhile, when the pressing plate 2 continuously moves upwards and the electrified current of the electromagnetic plate 32 continuously increases, the magnetic attraction effect of the electromagnetic plate 32 and the ferromagnetic plate 30 continuously increases, the elastic rotating plate 28 continuously rotates anticlockwise along the end hinging seat of the inclined block 17, when the pressing plate 2 rises to a certain height, the distance value detected by the distance sensor reaches the preset maximum distance value, the controller controls the electrified current of the electromagnetic plate 32 to increase to the maximum value, meanwhile, as the distance between the electromagnetic plate 32 and the magnetic block 39 continuously decreases, the magnetic repulsive force exerted by the electromagnetic plate 32 on the magnetic block 39 continuously increases, the magnetic block 39 stretches the supporting spring 37 to move upwards and reach the inner top of the impurity outlet 36, the magnetic block 39 moves upwards to drive the herringbone inclined filter plate 38 to move upwards to the maximum value, and two sides of the herringbone inclined filter plate 38 are matched with two side walls of the water inlet frame 13 to block the impurity outlet 36, so that random flow of cleaning water is prevented from being recovered and cleaned in the later stage, and the cleaning thoroughly and stability are reduced.
The electromagnetic plate 32 extrudes the connecting spring 31 and rotates to the maximum angle towards the ferromagnetic plate 30 end, the elastic rotating plate 28 inclines upwards towards the other end along the end of the filter plate 6, the elastic rotating plate 28 is close to the end of the filter plate 6 and is positioned at the bottom of the water outlet 14, cleaning water at the top of the elastic rotating plate 28 is poured out obliquely along the water outlet 14 and falls to the water inlet frame 13 after being filtered by the herringbone inclined filter plate 38, finally flows back to the inside of the L-shaped water tank 9 along the water inlet 12 for subsequent recycling, and impurities in the cleaning water are filtered by the aid of filter holes in the herringbone inclined filter plate 38.
When the device is used subsequently and discharged into sludge along the feeding pipe 19 to the inside of the filter pressing box 1, the controller controls the hydraulic rod 5 to start to drive the connecting plate 4 to move downwards, the connecting plate 4 moves downwards to drive the pressing plate 2 to move downwards through the guide rod 3, the distance value detected by the distance sensor is reduced, the controller controls the electrifying current of the electromagnetic plate 32 to be gradually reduced, the magnetic force of the electromagnetic plate 32 is reduced, the electromagnetic plate 32 repeatedly rotates the process, meanwhile, as the magnetic force of the electromagnetic plate 32 is reduced, and the magnetic force between the electromagnetic plate 32 and the magnetic block 39 is gradually increased, the magnetic repulsive force of the electromagnetic plate 32 to the magnetic block 39 is gradually reduced, the magnetic block 39 and the internal herringbone inclined filter plate 38 are driven to move downwards under the action of the elasticity of the supporting spring 37, and the generated vibration when the herringbone inclined filter plate 38 moves downwards can discharge the sludge impurities and the like at the top to two sides, and finally the impurities are discharged to the inside of the impurity collecting box 35 along the impurity outlet 36 to be recovered, and the impurities inside the impurity collecting box 35 only need to be replaced directly after the impurities are collected.
After the cleaning water is collected at the top of the elastic rotating plate 28, the controller controls the hydraulic rod 5 to drive the connecting plate 4 to move upwards, the distance value detected by the distance sensor is continuously increased, the controller controls the electrifying current in the electromagnetic plate 32 to be continuously increased, the magnetic force of the electromagnetic plate 32 is continuously increased, and meanwhile, the distance between the electromagnetic plate 32 and the magnetic block 39 is continuously reduced, so that the magnetic repulsive force exerted by the electromagnetic plate 32 on the magnetic block 39 is continuously increased and drives the magnetic block 39 to stretch the supporting spring 37 to move upwards to the top in the impurity outlet 36, the magnetic block 39 drives the herringbone filter plate 38 to synchronously move upwards to the maximum height and cooperate with the inner wall of the water inlet frame 13 to block the impurity outlet 36, further, the recovery efficiency of the impurities at the top of the herringbone filter plate 38 is effectively improved, the herringbone filter plate 38 is prevented from being blocked and the like when the herringbone filter plate 38 is used for a long time, the process is continuously repeated, the cleaning and the dirt removal effect of the inner wall of the filter tank 1 is realized, and the two filter plates complement each other to jointly realize the cleaning and the dirt removal of the sludge.
The device cleaning efficiency is high, and is clean effectual, and blowdown is efficient, and is clean effectual to striking off residual mud impurity etc. of filter-pressing case 1 inner wall, guarantees the cleanliness and the nothing nature of each device, and especially can also thoroughly high-efficient recovery edulcoration recycle to clean water, energy saving and emission reduction, green, the cyclicity is strong, stability is high.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a pressure filter for sludge treatment, includes the filter-pressing case, its characterized in that, outer wall one side of filter-pressing case is equipped with the controller, the inside sliding connection of filter-pressing case has the clamp plate, the top of clamp plate is equipped with guide assembly, the bottom joint of a filter-pressing case side has the filter, the filter-pressing case is located the upper portion of filter has seted up the outlet, the outer tip of outlet is equipped with into water frame, the inside of intaking frame is equipped with the backward flow subassembly, the bottom intercommunication of intaking frame has the multiunit inlet tube;
the guide assembly comprises an inclined block, the inclined block is positioned at the top of the pressing plate, an elastic rotating plate is rotatably connected to the top of one side, far away from the filtering plate, of the inclined block through a hinging seat, an electromagnetic plate is arranged in the middle of one end, close to the filtering plate, of the elastic rotating plate, and a ferromagnetic plate is arranged at the end, close to the filtering plate, of the inclined block;
the backflow component comprises a herringbone inclined filter plate, magnetic blocks are arranged at two side ends of the herringbone inclined filter plate, the bottom of each magnetic block is identical to the magnetism of the top of the electromagnetic plate, a supporting spring is arranged at the bottom of each magnetic block, the bottom of each supporting spring is fixedly connected with the inner bottom of the water inlet frame, impurity outlets are formed in two sides of the water inlet frame, and the magnetic blocks are matched with the impurity outlets.
2. The filter press for sludge treatment according to claim 1, wherein the end part of the ferromagnetic plate, which is close to the filter plate, is in sealing sliding connection with the inner wall of the filter pressing box, the bottom of the electromagnetic plate is provided with a connecting spring, the bottom of the connecting spring is fixedly connected with the top of the ferromagnetic plate, both ends of the elastic rotating plate are in sealing sliding connection with the inner wall of the filter pressing box, an elastic blocking piece is arranged at the bottom of the elastic rotating plate, which is close to the filter plate, and the bottom of the elastic blocking piece is fixedly connected with the top of the ferromagnetic plate, which is close to the filter plate.
3. The filter press for sludge treatment according to claim 1, wherein a plurality of groups of filter holes are uniformly arranged in the herringbone inclined filter plate, side plates are arranged on two side walls of the water inlet frame, a trash collection box is arranged at the top of each side plate, a top opening of the trash collection box is parallel to the inner bottom of the trash outlet, a wedge surface is arranged at the inner top of the trash outlet, and the wedge surface is matched with the inclination angles of the herringbone inclined filter plate and the magnetic blocks.
4. The filter press for sludge treatment according to claim 2, wherein a guide rod is arranged in the middle of the top of the pressing plate, the top end of the guide rod penetrates through the filter pressing box in the vertical direction and extends to the upper side of the filter pressing box, a connecting plate is arranged at the top end of the guide rod, three hydraulic rods are equidistantly arranged at the top of the connecting plate, a distance sensor is arranged at the bottom of the connecting plate, and the distance sensor is used for detecting a distance value between the bottom of the connecting plate and the top of the filter pressing box.
5. The filter press for sludge treatment according to claim 1, wherein the height of the pressing plate is larger than that of the filter plate, a water outlet cover is arranged on the outer side of the filter plate, the side face of the water outlet cover is fixedly connected with the outer side face of the filter pressing box, and a water outlet valve is fixedly communicated with the bottom of the other side face of the water outlet cover.
6. The filter press for sludge treatment according to claim 5, wherein the end portion of the filter pressing box, which is close to the filter plate, is provided with two L-shaped water tanks, the bottom of the side surface of each L-shaped water tank is provided with a booster pump, the water inlet ends of the booster pumps penetrate through the L-shaped water tanks in the horizontal direction and extend into the L-shaped water tanks, the water outlet ends of the booster pumps are fixedly communicated with water delivery pipes, and the ends, which are far away from the booster pumps, of the water delivery pipes penetrate through the water outlet cover in the horizontal direction and extend into the water outlet cover.
7. The filter press for sludge treatment according to claim 1, wherein two mounting frames are arranged on two side surfaces of the bottom surface of the filter pressing box, mounting through grooves are formed in the mounting frames, square sealing rings are clamped at the middle positions of the inside of the pressing plates, and the outer surfaces of the square sealing rings are in contact with the inner wall of the filter pressing box.
8. The filter press for sludge treatment according to claim 4, wherein the filter pressing box is fixedly communicated with a feeding pipe near the middle part of the side face of the filter plate, a connecting flange is arranged on the outer surface of the feeding pipe, a supporting frame is arranged at the top of the filter pressing box, the top ends of the hydraulic rods are fixedly connected with the inner top wall of the supporting frame, four stabilizing blocks are arranged at the bottom of the inner wall of the supporting frame, and the bottom surfaces of the stabilizing blocks are fixedly connected with the top of the filter pressing box.
9. The filter press for sludge treatment according to claim 4, wherein two stabilizing columns are arranged on two sides of the bottom surface of the connecting plate, the bottom ends of the stabilizing columns penetrate through the filter pressing box in the vertical direction and are fixedly connected with the top of the pressing plate, a plurality of groups of through holes are formed in the elastic rotating plate and the inclined block, and the stabilizing columns and the guide rods are matched with the through holes in a sealing mode.
10. The filter press for sludge treatment according to claim 1, wherein a limiting plate is slidably connected to the bottom of the inner wall of the filter pressing box, one side of the limiting plate, which is far away from the filter plate, penetrates through the filter pressing box in the horizontal direction and extends to the outer side of the filter pressing box, an L-shaped frame is arranged on the side surface of the limiting plate, which is far away from the filter plate, two electric push rods are arranged on the inner side wall of the L-shaped frame, and the electric push rods are close to the end of the filter pressing box and are fixedly connected with the bottom of the outer side surface of the filter pressing box.
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| CN202310230886.8A CN116239282B (en) | 2023-03-11 | 2023-03-11 | Filter press for sludge treatment |
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| CN116239282B CN116239282B (en) | 2024-04-09 |
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| CN117861284A (en) * | 2024-03-12 | 2024-04-12 | 临沂恒源售电有限公司 | Energy-saving waste water treatment equipment for thermal power plant |
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| JP6684380B1 (en) * | 2019-03-01 | 2020-04-22 | 肇▲慶▼学院 | Intelligent refining and recovery equipment for sulfuric acid |
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