CN212091199U - Horizontal closed filter press - Google Patents

Abstract

The utility model belongs to the technical field of filter presses, in particular to a horizontal closed filter press, which comprises a frame, lower filter cloth and upper filter cloth, wherein the right end of the frame is provided with a sludge pipe orifice, the bottom end of the frame is provided with a base, a collecting tank and a bottom beam, the inner side of the bottom beam is connected with a seventh rotating roller, a first lower press roller group, a lower rolling brush, a sixth rotating roller and a lower spray pipe, a first upper press roller group is arranged above the first lower press roller group, eighth rotating rollers, first rotating rollers and a first press roller group are arranged at two sides of the first upper press roller group, a second lower press roller group, an upper press roller group, a second rotating roller and a second rotating roller are arranged above the first press roller group, an upper rolling brush, an upper spray pipe, a third rotating roller, a third upper press roller group and a fourth rotating roller are arranged above the second press roller group, an air blowing plate and a third lower press roller group are arranged below the third press roller group, the device has small volume, high strength, multiple dehydration modes, good effect, no splashing and gathering of filtered water collection, large washing water pressure and low cost.

Description

Horizontal closed filter press

Technical Field

The utility model belongs to the technical field of the pressure filter, concretely relates to airtight pressure filter of level.

Background

The belt type concentration and filter pressing sludge dehydrator is a high-efficiency solid-liquid separation device manufactured according to the principles of chemical flocculation contact filtration and mechanical extrusion, and has a series of advantages of simple process flow, high automation degree, continuous operation, simple and convenient control operation, adjustable working process and the like, and a sludge concentration tank is omitted, so that the construction fund is saved to a certain extent, and the belt type concentration and filter pressing sludge dehydrator is increasingly and widely applied.

The processing capacity is the first index for evaluating the comprehensive performance of the belt filter press, and factors influencing the processing capacity of the belt filter press are many, but the processing capacity is mainly reflected in the aspects of a gravity dehydration area, a pressing area, the running speed of a filter belt of the pressing area, the tension of the filter belt, the roll diameter and the like.

On the other hand, sludge during filter pressing is discharged between the upper filter cloth and the lower filter cloth, and the sludge is compressed and dehydrated through the compression roller, so that the upper filter cloth and the lower filter cloth are not thoroughly cleaned in the circulating use in the process, and the phenomenon of poor filter pressing effect and low filter pressing efficiency is caused; meanwhile, the nozzle impact force adopted by the belt filter press is not concentrated, sludge particles on the mesh belt cannot be completely washed, the system has large pressure loss and high water consumption, the inner slender through hole is easy to block, the requirement on the purity of washing liquid is high, and in addition, the washing liquid after the mesh belt is washed and filtrate generated by the belt filter press are inconvenient to discharge.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a horizontal airtight pressure filter has compact structure, and two kinds of filter-pressing modes, dehydration are efficient good, and sturdy structure, filter cloth wash with low costs effectual characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a horizontal airtight pressure filter, includes frame, lower filter cloth, goes up the filter cloth, the sludge pipe mouth is installed to the right-hand member of frame, the base is installed to the bottom of frame, the collecting pit is installed to the top of base, the bottom of collecting pit is connected with the drain, the floorbar is installed to the top of collecting pit, the inboard of floorbar is rotated and is connected seventh revolving roller, lower compression roller group one, lower rolling brush, sixth revolving roller, lower spray tube is installed to the both sides that lower rolling brush was washd, upper compression roller group one is installed to the top of lower compression roller group one, eighth revolving roller, first revolving roller are installed to the both sides of upper compression roller group one, first revolving roller group is installed to one side of first revolving roller, second revolving roller, upper compression roller group two are installed to the oblique top of first revolving roller, second revolving roller are installed to one side of upper compression roller group two, the top of second revolving roller is installed and is washed, the top of second revolving roller is washed, Go up spray tube, third and change the roller, the left side of third commentaries on classics roller is installed and is gone up compression roller group three, go up the left side of compression roller group three and install fourth commentaries on classics roller, go up the below of compression roller group three and install wind and blow board, compression roller group three down, the fifth commentaries on classics roller is installed in the left side of compression roller group three down, scraper blade and last scraper blade are installed down to the inboard of fourth commentaries on classics roller and fifth commentaries on classics roller.

Preferably, the upper spray pipe comprises a water inlet, a pipe body, a plurality of nozzles, a water return port, a high-pressure spray head, a sealing cover, a sealing ring and a filter screen, the pipe body is of a cylindrical cavity structure, two ends of the cavity are communicated with the sealing cover and the water return port, the nozzles are arranged on the side face of the pipe body in an equal sequence, an external thread is arranged at one end of each nozzle, an internal thread matched and meshed with the external thread of each nozzle is arranged at one end of the water return port, a through hole is formed in each nozzle, and two ends of each through hole are respectively connected with the cylindrical cavity and the high-pressure spray head in; the high-pressure spray head can save water resources while improving the effect of flushing the filter belt by increasing the water outlet pressure of the spray nozzle, and the sewage treatment cost is reduced.

Preferably, external threads are arranged at two ends of the pipe body, internal threads which are matched and meshed with the external threads of the pipe body are arranged on the inner side of the sealing cover, the outer diameter of the sealing ring is the same as the outer diameter of the filter screen, the outer diameter of the sealing ring is slightly smaller than the inner diameter of the sealing cover by 1mm, the sealing rings are two elastic rubber rings, and the sealing rings are movably arranged on two sides of the filter screen; the filter screen can filter the silt in the flush fluid, avoids blockking up high pressure nozzle, and the sealing washer can play better sealed effect, prevents the seepage of silt and flush fluid.

Preferably, the peripheral wall of the collecting tank comprises two opposite long side walls and two opposite short side walls, the inclination angle of the bottom of each long side wall connected with the sewage draining exit is 110 degrees, and the inclination angle of the bottom of each long side wall connected with the sewage draining exit is 160 degrees; this structure can avoid drainage to collect the in-process and produce and splash, can avoid holding the chamber bottom simultaneously and gather the drainage.

Preferably, the air blowing plate comprises a plate body, a plurality of air inlets and a plurality of air blowing openings, the number of the air inlets is a cylindrical cavity structure, the cavities penetrate through the bottom end of the air blowing openings, the other ends of the air blowing openings penetrate through the bottom surface of the plate body, and the air blowing openings are arranged in an axial direction of the air inlets in an equal sequence; the wind blowing plate can blow the compressed capillary water in the filter cake by using compressed air, so that the filtering efficiency is effectively increased.

Preferably, the first upper compression roller set, the eighth rotating roller, the first rotating roller set, the second lower compression roller set, the second upper compression roller set, the second rotating roller set, the upper rolling brush, the lower rolling brush, the third rotating roller, the third upper compression roller set, the third lower compression roller set, the fourth rotating roller and the fifth rotating roller are all rotatably mounted on the inner side of a rack, and the rack is an integrally formed stainless steel shell; the integrated structure of the frame has the advantages of high structural strength, firmness, corrosion resistance, long service life and beautiful and practical appearance.

Preferably, the first lower press roller group, the first upper press roller group, the first rotating roller group, the second lower press roller group, the second upper press roller group, the second rotating roller press roller, the third upper press roller group and the third lower press roller group are distributed in an S shape; the guide rollers are installed in an S shape, so that the size of the whole machine is reduced, the machine frame is compact, the dehydration effect is better, the pressure of the filter belt can be gradually increased by adopting an ultra-large diameter circular arc dehydration technology, the sludge leakage phenomenon is effectively prevented, and the sludge treatment capacity can be greatly improved.

Compared with the prior art, the beneficial effects of the utility model are that: in the device, each guide roller is installed in an S shape, so that the volume of the whole machine is reduced, and the dewatering effect is better; the first rotating roller adopts an extra-large diameter circular arc dehydration technology, so that the pressure of a filter belt can be gradually increased, the sludge leakage phenomenon can be effectively prevented, and the sludge treatment capacity can be greatly improved; the integrated steel structure of the frame has high strength, firmness, corrosion resistance and long service life; the device adopts two modes of filter pressing and air drying at the same time, so that the filter pressing effect is better; the inclination angle structure of the collecting tank can prevent the filtered water from splashing, and the drain outlet at the lowest point of the collecting tank can prevent the filtered water from being collected at the bottom of the accommodating cavity; the high-pressure spray head can increase the water outlet pressure of the spray nozzle, improve the effect of washing the filter belt and reduce the treatment cost of sewage; the filter screen can filter the silt in the flush fluid, avoids blockking up high pressure nozzle.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the working structure of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic structural view of the wind blowing plate of the present invention;

FIG. 4 is a schematic structural view of the middle nozzle of the present invention;

fig. 5 is a schematic structural view of the sealing cover of the present invention;

FIG. 6 is a schematic structural view of a collecting tank according to the present invention;

in the figure: 1. a frame; 2. a bottom beam; 3. a base; 4. a sludge pipe orifice; 5. a collection tank; 6. a sewage draining outlet; 7. a first lower pressing roller set; 8. a first upper compression roller set; 9. lower filter cloth; 10. filtering cloth; 11. a first rotating roller; 12. a first roll-in roller set; 13. a second lower pressing roller set; 14. a second rotating roller; 15. a second rotary roller; 16. rolling and washing; 17. an upper spray pipe; 18. a third roller; 19. a third upper press roll group; 20. a third lower pressing roller set; 21. a wind blowing plate; 22. a fourth rotating roller; 23. a fifth rotating roller; 24. a lower scraper; 25. an upper scraper plate; 26. a sixth rotating roller; 27. rolling down and washing; 28. a lower nozzle; 29. a seventh rotating roller; 30. a second upper compression roller set; 31. an eighth rotating roller; 171. a water inlet; 172. a pipe body; 173. a nozzle; 174. a water return port; 175. a high pressure spray head; 176. a sealing cover; 177. a seal ring; 178. filtering with a screen; 211. a plate body; 212. an air inlet; 213. and an air blowing opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides a horizontal airtight pressure filter, includes frame 1, lower filter cloth 9, goes up filter cloth 10, sludge pipe mouth 4 is installed to the right-hand member of frame 1, base 3 is installed to the bottom of frame 1, collecting pit 5 is installed to the top of base 3, the bottom of collecting pit 5 is connected with drain 6, floorbar 2 is installed to the top of collecting pit 5, seventh revolving roller 29, lower compression roller group 7, lower rolling brush 27, sixth revolving roller 26 are connected in the inboard rotation of floorbar 2, lower spray tube 28 is installed to the both sides that lower rolling brush 27, upper compression roller group 8 is installed to the top of lower compression roller group 7, eighth revolving roller 31, first revolving roller 11 are installed to the both sides of upper compression roller group 8, first revolving roller group 12 is installed to one side of first revolving roller 11, lower compression roller group two 13, upper compression roller group two 30 are installed to the oblique top of first revolving roller 11, second commentaries on classics roller 14, second commentaries on classics roller 15 are installed to one side of going up compression roller group two 30, the top of second commentaries on classics roller 15 is installed and is rolled washing 16, go up spray tube 17, third commentaries on classics roller 18, compression roller group three 19 is installed on the left side of third commentaries on classics roller 18, fourth commentaries on classics roller 22 is installed in the left side of going up compression roller group three 19, go up the below of compression roller group three 19 and install wind and blow board 21, compression roller group three 20 down, fifth commentaries on classics roller 23 is installed in the left side of compression roller group three 20 down, scraper blade 24 and last scraper blade 25 are down installed to the inboard of fourth commentaries on classics roller 22 and fifth commentaries on classics roller 23.

Specifically, the upper spray pipe 17 comprises a water inlet 171, a pipe body 172, a nozzle 173, a water return port 174, a high-pressure spray head 175, a sealing cover 176, a sealing ring 177 and a filter screen 178, the pipe body 172 is of a cylindrical cavity structure, two ends of the cavity are connected with the sealing cover 176 and the water return port 174 in a penetrating manner, the plurality of nozzles 173 are arranged on the side surface of the pipe body 172 in an equal sequence, one end of the nozzle 173 is provided with an external thread, one end of the water return port 174 is provided with an internal thread which is matched and meshed with the external thread of the nozzle 173, the nozzle 173 is internally provided with a through hole, and two ends of the through hole are respectively connected with the cylindrical cavity inside the pipe; the high pressure nozzle 175 can increase the water outlet pressure without changing the water outlet flow of the nozzle 173, so that the spray washing impulse is concentrated, thereby completely washing the sludge particles on the filter belt, and the system has small pressure loss and low water consumption.

Specifically, external threads are arranged at two ends of the pipe body 172, internal threads which are matched and meshed with the external threads of the pipe body 172 are arranged on the inner side of the sealing cover 176, the outer diameter of the sealing ring 177 is the same as the outer diameter of the filter screen 178, the outer diameter of the sealing ring 177 is slightly smaller than the inner diameter of the sealing cover 176 by 1mm, the sealing ring 177 is an elastic rubber ring, the number of the sealing rings 177 is two, and the sealing rings 177 are movably arranged at two sides of the filter screen 178; through at sealed lid 176 internally mounted filter screen 178, silt in the filtration flush fluid that can be effective makes high pressure nozzle 175 difficult production block up, avoids influencing the washing effect, and the sealing washer 177 of side-mounting can play effectual sealed effect through producing elastic deformation when sealed lid 176 and body 172 screw up the interlock around filter screen 178.

Specifically, the peripheral wall of the collecting tank 5 comprises two opposite long side walls and two opposite short side walls, the inclination angle of the bottom of each long side wall connected with the sewage draining exit 6 is 110 degrees, and the inclination angle of the bottom of each long side wall connected with the sewage draining exit 6 is 160 degrees; it can slide rapidly to the drain 6 of collecting pit 5 bottom along four lateral walls that have big inclination of collecting pit 5 to strain can not produce and splash, avoids polluting the surrounding environment, and drain 6 is located the minimum of collecting pit 5, can avoid taking place to hold the chamber bottom and gather the phenomenon of drainage.

Specifically, the air blowing plate 21 comprises a plate body 211, a plurality of air inlets 212 and a plurality of air blowing ports 213, the number of the air inlets 212 is a plurality, the interior of the air inlets 212 is a cylindrical cavity structure, the cavity penetrates through the bottom end of the air blowing ports 213, the other end of the air blowing ports 213 penetrates through the bottom surface of the plate body 211, and the air blowing ports 213 are arranged in an axial direction of the air inlets 212 in an equal sequence; the compressed air can be dispersedly blown out from the air blowing opening 213 along the cylindrical cavity inside the air inlet 212, thereby performing a drying function.

Specifically, the first upper press roller group 8, the eighth rotary roller 31, the first rotary roller 11, the first rotary roller group 12, the second lower press roller group 13, the second upper press roller group 30, the second rotary roller press roller 15, the upper rolling brush 16, the lower rolling brush 27, the third rotary roller 18, the third upper press roller group 19, the third lower press roller group 20, the fourth rotary roller 22 and the fifth rotary roller 23 are all rotatably mounted on the inner side of the frame 1, and the frame 1 is an integrally formed stainless steel shell; the integrated structure of the frame 1 has high structural strength, firmness, corrosion resistance, long service life and beautiful and practical appearance.

Specifically, the lower press roller group I7, the upper press roller group I8, the first rotating roller 11, the first press roller group 12, the lower press roller group II 13, the upper press roller group II 30, the second rotating roller 14, the second rotating roller 15, the upper press roller group III 19 and the lower press roller group III 20 are distributed in an S shape; the guide rollers are installed in an S shape, so that the size of the whole machine is reduced, the machine frame is compact, the dehydration effect is better, the pressure of a filter belt can be gradually increased by adopting an extra-large diameter circular arc dehydration technology for the first guide roller 11, the sludge leakage phenomenon is effectively prevented, and the sludge treatment capacity can be greatly improved.

The working principle and the using process of the invention are as follows: when the device is used for dewatering sludge, the sludge is added from a sludge pipe opening 4, enters a compaction section between a lower press roll group I7 and an upper press roll group I8 along a lower filter cloth 9, the sludge cake treated by the compaction section continuously enters the front end of a filter section between a first rotary roll 11 on the left side and a first rotary roll group 12 for filtering under the combined action of the lower filter cloth 9 and an upper filter cloth 10, then enters a lower press roll group II 13 and the rear end of the filter section between an upper press roll group II 30, a second rotary roll 14 and a second rotary roll press roll 15 for filtering under the combined action of the lower filter cloth 9 and the upper filter cloth 10, the filtered sludge cake still contains a large amount of capillary water due to the self characteristics, at the moment, the sludge cake enters an air drying section consisting of a third press roll group 19 and a third lower press roll group 20 in the horizontal direction, and is dried under the action of an air blowing plate 21 arranged below the third press roll group 19 to remove the capillary water contained in the sludge cake, the lower filter cloth 9 and the upper filter cloth 10 continue to jointly convey the treated filter cake forwards and are scraped by a lower scraper 24 and an upper scraper 25; after a filter cake is scraped, filter residues left on the surface of the lower filter cloth 9 enter a lower cleaning section through a sixth rotary roller 26, are subjected to high-pressure washing through a lower spray pipe 28, and are washed under the rolling action of a lower rolling washing brush 27, the filter residues left on the surface of the upper filter cloth 10 enter an upper cleaning section through a fourth rotary roller 22 and a third rotary roller 18, are subjected to high-pressure washing through an upper spray pipe 17, and are washed under the rolling action of an upper rolling washing brush 16, and in the process, a filter screen 178 arranged inside a sealing cover 176 can effectively filter silt in washing liquid; the cleaning sewage and the filtered water slide down along the side wall of the collecting tank 5 under the action of gravity and are collected to a sewage discharge outlet 6 at the bottom of the collecting tank 5.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A horizontal closed filter press is characterized in that: comprises a frame (1), lower filter cloth (9) and upper filter cloth (10), wherein a sludge pipe orifice (4) is installed at the right end of the frame (1), a base (3) is installed at the bottom end of the frame (1), a collecting tank (5) is installed above the base (3), a sewage discharge outlet (6) is connected to the bottom of the collecting tank (5), a bottom beam (2) is installed above the collecting tank (5), a seventh rotating roller (29), a first lower press roller group (7), a lower rolling brush (27) and a sixth rotating roller (26) are rotatably connected to the inner side of the bottom beam (2), lower spray pipes (28) are installed on two sides of the lower press roller group (27), an upper press roller group (8) is installed above the first lower press roller group (7), an eighth rotating roller (31) and a first rotating roller (11) are installed on two sides of the upper press roller group (8), a first rotating roller group (12) is installed on one side of the first rotating roller (11), lower compression roller set two (13), last compression roller set two (30) are installed to the oblique top of first commentaries on classics roller (11), go up compression roller set two (30), second commentaries on classics roller (14), second commentaries on classics roller (15) are installed to one side of going up compression roller set two (30), the top of second commentaries on classics roller (15) is installed and is rolled washing brush (16), upper spray pipe (17), third commentaries on classics roller (18), last compression roller set three (19) are installed in the left side of third commentaries on classics roller (18), fourth commentaries on classics roller (22) is installed in the left side of going up compression roller set three (19), air blowing plate (21), lower compression roller set three (20) are installed to the below of going up compression roller set three (19), fifth commentaries on classics roller (23) are installed in the left side of lower compression roller set three (20), scraper blade (24) and last scraper blade (25) are installed down to the inboard of fourth commentaries.

2. A horizontal closed filter press according to claim 1, wherein: go up spray tube (17) and include water inlet (171), body (172), nozzle (173), return water mouth (174), high pressure nozzle (175), sealed lid (176), sealing washer (177), filter screen (178), the inside of body (172) is cylindrical cavity structure, and the both ends through connection of cavity sealed lid (176) and return water mouth (174), nozzle (173) have a plurality ofly, arrange at the side of body (172) preface, the one end of nozzle (173) is equipped with the external screw thread, the one end of return water mouth (174) be equipped with the internal thread of nozzle (173) external screw thread adaptation interlock, the inside of nozzle (173) is equipped with the through-hole, and the both ends of through-hole are connected respectively the inside cylindrical cavity of body (172) with high pressure nozzle (175).

3. A horizontal closed filter press according to claim 2 wherein: the both ends of body (172) are equipped with the external screw thread, the inboard of sealed lid (176) be equipped with the internal thread of body (172) external screw thread adaptation interlock, the external diameter of sealing washer (177) with the external diameter of filter screen (178) is the same, the external diameter of sealing washer (177) slightly is less than the internal diameter 1mm of sealed lid (176), sealing washer (177) are for having elastic rubber circle, the quantity of sealing washer (177) is two, sealing washer (177) movable mounting is in the both sides of filter screen (178).

4. A horizontal closed filter press according to claim 1, wherein: the peripheral wall of the collecting tank (5) comprises two opposite long side walls and two opposite short side walls, the inclination angle of the bottom of each long side wall connected with the sewage draining outlet (6) is 110 degrees, and the inclination angle of the bottom of each long side wall connected with the sewage draining outlet (6) is 160 degrees.

5. A horizontal closed filter press according to claim 1, wherein: the air blowing plate (21) comprises a plate body (211), an air inlet (212) and air blowing ports (213), wherein the number of the air inlet (212) is a plurality of, the inside of the air inlet (212) is of a cylindrical cavity structure, the cavity penetrates through the bottom end of the air blowing ports (213), the other end of the air blowing ports (213) penetrates through the bottom surface of the plate body (211), and the air blowing ports (213) are multiple and are arranged along the axial direction of the air inlet (212) in an equal sequence.

6. A horizontal closed filter press according to claim 1, wherein: the upper press roll set I (8), the eighth rotary roll (31), the first rotary roll (11), the first rotary roll set (12), the lower press roll set II (13), the upper press roll set II (30), the second rotary roll (15), the upper rolling brush (16), the lower rolling brush (27), the third rotary roll (18), the upper press roll set III (19), the lower press roll set III (20), the fourth rotary roll (22) and the fifth rotary roll (23) are all rotatably installed on the inner side of the rack (1), and the rack (1) is an integrally formed stainless steel shell.

7. A horizontal closed filter press according to claim 1, wherein: the lower press roller group I (7), the upper press roller group I (8), the first rotating roller (11), the first press roller group (12), the lower press roller group II (13), the upper press roller group II (30), the second rotating roller (14), the second rotating roller (15), the upper press roller group III (19) and the lower press roller group III (20) are distributed in an S shape.

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