CN219469907U - Roller and crawler type combined sludge pressurizing and dewatering unit - Google Patents

Abstract

The utility model discloses a roller and crawler-type combined sludge pressurizing and dewatering unit, which relates to the technical field of sludge dewatering and comprises a supporting frame, an upper filter belt and a lower filter belt, wherein a belt type filter pressing system is arranged on one side of an inner cavity of the supporting frame, a crawler dewatering structure is arranged on the right side of the inner cavity of the supporting frame and positioned on the belt type filter pressing system, a scraping structure is arranged at one end of the supporting frame, a material distribution system is arranged above the other end of the supporting frame, a squeezing structure is arranged at the other end of the supporting frame, and a feeding mechanism is arranged on one side of the inner cavity of the supporting frame and positioned on the squeezing structure. The roller and crawler-type combined sludge pressurizing and dewatering unit is matched with the belt filter pressing system and the crawler-type dewatering structure, the tensioning force of the upper filter belt and the lower filter belt and the extrusion force between the two crawlers are matched with the rotation of the crawler, the dewatering effect is good, and the sludge drying degree is far higher than that of the traditional dewatering equipment.

Description

Roller and crawler type combined sludge pressurizing and dewatering unit

Technical Field

The utility model relates to the technical field of sludge dewatering, in particular to a roller and crawler type combined sludge pressurizing and dewatering unit.

Background

The sludge dewatering is a sludge treatment method for removing water from raw, concentrated or digested sludge in a fluid state and converting the raw, concentrated or digested sludge into semisolid or solid sludge blocks, wherein the water content of the sludge can be reduced to fifty-five percent to eighty percent after dewatering, and the water content depends on the properties of the sludge and sediments and the efficiency of dewatering equipment. The dehydration method mainly comprises a natural drying method, a mechanical dehydration method and a granulation method. The natural drying method and the mechanical dehydration method are suitable for sewage sludge,

however, the existing sludge dewatering units used by the mechanical dewatering method are insufficient, the existing dewatering units used in the market all adopt a tension mode to pull two filter belts, the transverse acting force is used for pulling, then the sludge entrained between the two filter belts is dewatered, the dewatering efficiency is low, a large amount of sewage still exists in the sludge after the sludge is dewatered, and therefore, to the problem, a roller and crawler type combined sludge pressurizing dewatering unit is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a roller and crawler type combined sludge pressurizing and dewatering unit, which solves the problems that the existing equipment provided in the background art is low in dewatering efficiency and a large amount of sewage still exists in the sludge after the sludge is dewatered.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a roller and crawler-type combination mud pressurization dewatering unit, includes braced frame, goes up filter belt and lower filter belt, one side of braced frame inner chamber is provided with belt filter-pressing system, braced frame's inner chamber and be located belt filter-pressing system's right side and install crawler-type dewatering structure, braced frame's one end is provided with scrapes the structure of attaching, the cloth system is installed to braced frame's another end top, braced frame's the other end is provided with the wringing structure, braced frame's inner chamber and be located one side of wringing structure and install feed mechanism, braced frame's inner chamber and be located belt filter-pressing system's top are provided with the driving roller, install on the braced frame and take cleaning system.

The crawler dewatering structure comprises a positioning oil cylinder, a rigid longitudinal beam and two groups of crawler structures, wherein the crawler structures comprise a chain transmission system, a tensioning device, a rigid cross beam, a supporting frame and a crawler, the crawler is mounted on the chain transmission system, the positioning oil cylinders are mounted on two sides of the two groups of crawler structures, one group of crawler structures is connected with the rigid longitudinal beam mounted on the output end of the positioning oil cylinder, the output end of the positioning oil cylinder drives the rigid longitudinal beam to move up and down to drive one group of crawler structures to move up and down, and the other group of crawler structures are fixedly mounted on the positioning oil cylinder.

Optionally, scrape and attach the structure and constitute including lower scraper, last scraper, ejection of compact system and support body, the support body is located braced frame's one end, ejection of compact system is installed to the bottom of support body, one side top rotation of support body is connected with the scraper, the below rotation of support body one side is installed down the scraper.

Optionally, a third water pan is installed between the positioning cylinders, and the third water pan is located in an inner cavity of one set of crawler belt structure.

Optionally, the belt press system is comprised of a plurality of rollers.

Optionally, the spray ports of the lower belt cleaning system are directed downward toward the surface of the lower filter belt.

Optionally, a feeding mechanism is installed on the supporting frame and located at one side of the material distribution system.

Optionally, the spraying mouth of upper band cleaning system is aimed at the surface of upper filter belt downwards, braced frame's inside and be located upper band cleaning system's below and be provided with the second water collector.

Optionally, the upper filter belt is sleeved on the surfaces of the driving roller, the belt type filter pressing system and one of the tracks, and the lower filter belt passes through the squeezing structure, the feeding mechanism and the distribution system and is sleeved on the surfaces of the belt type filter pressing system and the other track.

Optionally, the upper scraper and the lower scraper respectively correspond to the two groups of tracks and are respectively contacted with the surfaces of the upper filter belt and the lower filter belt.

The utility model provides a roller and crawler type combined sludge pressurizing and dewatering unit, which has the following beneficial effects:

1. this roller and crawler-type combination mud pressurization dewatering unit uses through the cooperation of belt filter pressing system and track dewatering structure, through the use of belt filter pressing system, when using, with mud through the surface of feed mechanism pouring at lower filter belt, before getting into belt filter pressing system, go up filter belt and lower filter belt contact, carry mud in the centre, then go up filter belt and lower filter belt and press from both sides the mud and carry out belt filter pressing system, rotate by many rollers and make the water in the mud between upper filter belt and the lower filter belt flow out the first water collector inner chamber that falls into belt filter pressing system below through last filter belt and lower filter belt, and then realize the roller dehydration, accomplish first step dewatering process, through the output of positioning cylinder flexible, drive the rigidity longeron reciprocates, and then make a set of track structure of top reciprocate, make two sets of tracks be close to and extrude wherein last filter belt and lower filter belt, and then extrude the mud of valence band between last filter belt and the lower filter belt, rotate simultaneously, and then extrude the sewage in the mud in the course of rotating extrusion, adopt the sewage extrusion force to go up filter belt and the tension of two filter belts, the high-order dewatering effect of two tracks is far away from the traditional.

2. This roller and crawler-type combination mud pressurization dewatering unit, through the use of last scraper and lower scraper, separate after last filter belt and lower filter belt dewater mud, go up the filter belt and pass through the track drive that is located the top, lower filter belt is through the track drive that is located the below, and then make last filter belt and lower filter belt separation, mud on the lower filter belt scrapes down through lower scraper and falls into the inner chamber of ejection of compact system this moment, mud on the upper filter belt scrapes down through last scraper and falls into the inner chamber of ejection of compact system and collect, can avoid last filter belt and lower filter belt and go up residual earth, utilize lower belt cleaning system to wash last filter belt simultaneously, utilize last belt cleaning system to wash down the filter belt, can keep clean to last filter belt and lower filter belt.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

In the figure: 1. a squeezing structure; 2. a feeding mechanism; 3. a lower belt cleaning system; 4. a distribution system; 5. a first water pan; 6. a belt cleaning system; 7. a belt filter pressing system; 8. a second water receiving tray; 9. a chain drive system; 10. a tensioning device; 11. positioning an oil cylinder; 12. rigid stringers; 13. a third water pan; 14. a support frame; 15. a rigid cross beam; 16. a track; 17. a discharging system; 18. a lower scraper; 19. a scraper is arranged; 20. a driving roller; 21. a frame body; 22. a filter belt is arranged; 23. and (5) a lower filter belt.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments.

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a roller and crawler-type combination mud pressurization dewatering unit, including braced frame 14, upward filter belt 22 and lower filter belt 23, one side of braced frame 14 inner chamber is provided with belt filter pressing system 7, the inner chamber of braced frame 14 just is located belt filter pressing system 7's right side and installs the crawler-type dewatering structure, the one end of braced frame 14 is provided with scrapes and attaches the structure, cloth system 4 is installed to braced frame 14's another end top, braced frame 14's the other end is provided with wringing structure 1, wringing structure 1 has two squeeze rollers and driving motor to constitute, feed mechanism 2 is installed to one side of wringing structure 1 to braced frame 14 inner chamber, feed mechanism 2 can be a feed cylinder, can cooperate equipment such as screw conveyer to use, braced frame 14 inner chamber and be located belt filter pressing system 7's top is provided with driving roller 20, install upper band cleaning system 6 and lower band cleaning system 3 on the braced frame 14.

The crawler dewatering structure comprises a positioning oil cylinder 11, a rigid longitudinal beam 12 and two groups of crawler structures, wherein the crawler structures comprise a chain transmission system 9, a tensioning device 10, a rigid cross beam 15, a supporting frame 14 and a crawler 16, the crawler 16 is arranged on the chain transmission system 9, the two sides of the two groups of crawler structures are respectively provided with the positioning oil cylinder 11, one group of crawler structures is connected with the positioning oil cylinder 11 and the rigid longitudinal beam 12 arranged at the output end of the positioning oil cylinder 11, the output end of the positioning oil cylinder 11 drives the rigid longitudinal beam 12 to move up and down to drive one group of crawler structures to move up and down, and the other group of crawler structures are fixedly arranged on the positioning oil cylinder 11.

The crawler belt 16 is installed through the chain transmission system 9 and the tensioning device 10, the driving motor is installed on the chain transmission system 9, the crawler belt 16 is driven to rotate through the chain transmission system 9, the crawler belt 16 is in a tight state through the tensioning device 10, two groups of crawler belt structures are arranged, one group of crawler belt structures below the crawler belt structures are installed on the base part of the positioning oil cylinder 11 and are different in position, one group of crawler belt structures above the crawler belt structures are connected with the output end part of the positioning oil cylinder 11 through the rigid longitudinal beam 12, when dehydration is carried out, the output end of the positioning oil cylinder 11 stretches out and draws back to drive the rigid longitudinal beam 12 to move up and down, the group of crawler belt structures above the rigid longitudinal beam 12 is further moved downwards, the two groups of crawler belt structures are enabled to be close to the upper filter belt 22 and the lower filter belt 23 in the crawler belt structures to squeeze sludge in the upper filter belt 16 and the lower filter belt 23, meanwhile the crawler belt 16 is rotated, sewage in the sludge is pressed out in the rotating extrusion process, the tensioning force of the upper filter belt 22 and the lower filter belt 23 are adopted, the extrusion force between the two groups of the two crawler belt structures 16 are matched with the rotation of the crawler belt 16, and the dehydration effect is far higher than that of the conventional device.

Wherein, scrape and attach the structure and constitute including doctor down 18, last scraper 19, ejection of compact system 17 and support body 21, support body 21 are located the one end of braced frame 14, and ejection of compact system 17 is installed to the bottom of support body 21, and one side top rotation of support body 21 is connected with last scraper 19, and lower scraper 18 is installed in the below rotation of support body 21 one side.

Wherein, install third water collector 13 between the positioning cylinder 11, third water collector 13 is located the inner chamber of one of them set of track structure, is located the set of track structure inner chamber of below through third water collector 13, extrudes the water through two sets of track structure extrusion, utilizes third water collector 13 to conveniently collect water.

The belt type filter pressing system 7 consists of a plurality of rollers, a first water receiving disc 5 is arranged below the belt type filter pressing system 7, the first water receiving disc 5 extends to the bottom of the lower belt cleaning system 3, and the first water receiving disc 5 is connected with the supporting frame 14.

Through the use of the belt filter pressing system 7, when in use, sludge is poured onto the surface of the lower filter belt 23 through the feeding mechanism 2, before entering the belt filter pressing system 7, the upper filter belt 22 contacts with the lower filter belt 23 to clamp the sludge in the middle, then the upper filter belt 22 and the lower filter belt 23 clamp the sludge through the belt filter pressing system 7, water in the sludge between the upper filter belt 22 and the lower filter belt 23 flows out of the inner cavity of the first water receiving tray 5 falling below the belt filter pressing system 7 through the upper filter belt 22 and the lower filter belt 23 by the rotation of a plurality of rollers, thereby realizing roll shaft type dehydration and completing the first step of dehydration procedure,

wherein the spray openings of the lower belt cleaning system 3 are directed downwards towards the surface of the lower filter belt 23.

By using the lower belt cleaning system 3, the lower belt cleaning system 3 is connected with an external water source, and the surface of the lower filter belt 23 can be cleaned by water sprayed by the lower belt cleaning system 3, so that residual soil is washed down.

Wherein the loading mechanism 2 is mounted on the supporting frame 14 and positioned at one side of the material distribution system 4.

The feeding mechanism 2 is used for throwing in unprocessed and dehydrated sludge, the material distribution system 4 is internally provided with a baffle plate for spreading out the thrown-in sludge, so that the follow-up processing is convenient.

Wherein, the spraying opening of the upper belt cleaning system 6 is downward aligned to the surface of the upper filter belt 22, and the water sprayed by the upper belt cleaning system 6 can clean the surface of the upper filter belt 22 to flush the residual soil. A second drip tray 8 is provided inside the support frame 14 and below the upper belt cleaning system 6.

The second water receiving disc 8 can be used for collecting the sewage sprayed by the upper belt cleaning system 6 and used for cleaning the upper filter belt 22,

wherein, upper filter belt 22 cup joints to the surface of driving roller 20 and belt filter pressing system 7 and one of them track 16, and lower filter belt 23 passes crowded dry structure 1, feed mechanism 2, cloth system 4 and cup joints to the surface of belt filter pressing system 7 and another track 16.

The upper scraper 19 and the lower scraper 18 are respectively corresponding to the two groups of tracks 16 and are respectively contacted with the surfaces of the upper filter belt 22 and the lower filter belt 23, through the use of the upper scraper 19 and the lower scraper 18, when the upper filter belt 22 and the lower filter belt 23 dehydrate and separate sludge, the upper filter belt 22 is driven by the tracks 16 positioned above, the lower filter belt 23 is driven by the tracks 16 positioned below, so that the upper filter belt 22 is separated from the lower filter belt 23, at the moment, sludge on the lower filter belt 23 is scraped by the lower scraper 18 and falls into the inner cavity of the discharging system 17, and the sludge on the upper filter belt 22 is scraped by the upper scraper 19 and falls into the inner cavity of the discharging system 17 for collection.

The squeezing structure 1 and the belt type filter pressing system 7 are both provided with driving sources, which are the prior art.

In summary, when the combined roller and crawler-type sludge pressurizing and dewatering unit is used, during use, sludge is poured onto the surface of the lower filter belt 23 through the feeding mechanism 2, the poured sludge is spread out through the distributing system 4, the subsequent processing is convenient, before entering the belt type filter pressing system 7, the upper filter belt 22 contacts with the lower filter belt 23, the sludge is entrained in the middle, then the upper filter belt 22 and the lower filter belt 23 entrain the sludge through the belt type filter pressing system 7, the water in the sludge between the upper filter belt 22 and the lower filter belt 23 flows out of the inner cavity of the first water receiving tray 5 falling below the belt type filter pressing system 7 through the upper filter belt 22 and the lower filter belt 23 by the rotation of a plurality of rollers, thereby realizing the roller-type dewatering, the first step dewatering process is completed, then the second step dewatering process is completed, the output end of the positioning oil cylinder 11 stretches out and draws back, the rigid longitudinal beam 12 moves up and down, a group of structures above the lower, the two groups of tracks 16 are pressed close to the upper filter belt 22 and the lower filter belt 23, the sewage is pressed out by the upper filter belt 22 and the lower filter belt 23, the sewage is pressed out of the tracks 16 simultaneously, and the sewage is pressed out of the tracks 16 is pressed out by the rotation of the tracks simultaneously,

then through the use of upper scraper 19 and lower scraper 18, when upper filter belt 22 and lower filter belt 23 carry out the separation behind the dehydration to mud, upper filter belt 22 is through the track 16 transmission that is located the top, lower filter belt 23 is through the track 16 transmission that is located the below, and then make upper filter belt 22 and lower filter belt 23 separation, mud on the lower filter belt 23 drops into the inner chamber of ejection of compact system 17 through the scraping of lower scraper 18 this moment, mud on upper filter belt 22 drops into the inner chamber of ejection of compact system 17 through the scraping of upper scraper 19 down and collects, the upper filter belt 22 of separation is washed through lower belt cleaning system 3, then through squeezing structure 1, carry out the extrusion through two rollers and go out the hydraulic pressure that remains in the upper filter belt 22, lower filter belt 23 is washed through upper belt cleaning system 6 when passing through driving roller 20, then carry out the earth with upper filter belt 22 contact again, the circulation is operated.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (9)

1. The utility model provides a roller and crawler-type combination mud pressurization dewatering unit, includes braced frame (14), goes up filter belt (22) and lower filter belt (23), its characterized in that: one side of the inner cavity of the supporting frame (14) is provided with a belt type filter pressing system (7), a crawler belt dehydration structure is arranged on the right side of the inner cavity of the supporting frame (14) and positioned on the belt type filter pressing system (7), one end of the supporting frame (14) is provided with a scraping structure, a cloth system (4) is arranged above the other end of the supporting frame (14), the other end of the supporting frame (14) is provided with a squeezing structure (1), a feeding mechanism (2) is arranged on one side of the inner cavity of the supporting frame (14) and positioned on the squeezing structure (1), a driving roller (20) is arranged on the inner cavity of the supporting frame (14) and positioned above the belt type filter pressing system (7), an upper belt cleaning system (6) and a lower belt cleaning system (3) are arranged on the supporting frame (14),

the crawler dewatering structure comprises a positioning oil cylinder (11), a rigid longitudinal beam (12) and two groups of crawler structures, wherein the crawler structures comprise a chain transmission system (9), a tensioning device (10), a rigid cross beam (15), a supporting frame (14) and a crawler (16), the crawler (16) is installed on the chain transmission system (9), the positioning oil cylinder (11) is installed on two sides of the two groups of crawler structures, one group of crawler structures is connected with the positioning oil cylinder (11) and the rigid longitudinal beam (12) installed on the output end of the positioning oil cylinder (11), the output end of the positioning oil cylinder (11) drives the rigid longitudinal beam (12) to move up and down to drive one group of crawler structures to move up and down, and the other group of crawler structures are fixedly installed on the positioning oil cylinder (11).

2. The combined roller and crawler-type sludge pressurizing and dewatering unit according to claim 1, wherein: the scraping structure comprises a lower scraper (18), an upper scraper (19), a discharging system (17) and a frame body (21), wherein the frame body (21) is located at one end of a supporting frame (14), the discharging system (17) is installed at the bottom of the frame body (21), the upper scraper (19) is rotationally connected to one side of the frame body (21), and the lower scraper (18) is rotationally installed below one side of the frame body (21).

3. The combined roller and crawler-type sludge pressurizing and dewatering unit according to claim 1, wherein: a third water receiving disc (13) is arranged between the positioning cylinders (11), and the third water receiving disc (13) is positioned in the inner cavity of one group of crawler belt structures.

4. The combined roller and crawler-type sludge pressurizing and dewatering unit according to claim 1, wherein: the belt type filter pressing system (7) consists of a plurality of rollers.

5. The combined roller and crawler-type sludge pressurizing and dewatering unit according to claim 1, wherein: the spray opening of the lower belt cleaning system (3) is downwards aligned with the surface of the lower filter belt (23).

6. The combined roller and crawler-type sludge pressurizing and dewatering unit according to claim 1, wherein: and a feeding mechanism (2) is arranged on one side of the supporting frame (14) and positioned on the material distribution system (4).

7. The combined roller and crawler-type sludge pressurizing and dewatering unit according to claim 1, wherein: the spraying opening of the upper belt cleaning system (6) is downwards aligned to the surface of the upper filter belt (22), and a second water receiving disc (8) is arranged inside the supporting frame (14) and below the upper belt cleaning system (6).

8. The combined roller and crawler-type sludge pressurizing and dewatering unit according to claim 1, wherein: the upper filter belt (22) is sleeved on the surfaces of the driving roller (20), the belt type filter pressing system (7) and one of the tracks (16), and the lower filter belt (23) penetrates through the squeezing structure (1), the feeding mechanism (2), the material distribution system (4) and is sleeved on the surfaces of the belt type filter pressing system (7) and the other track (16).

9. The combined roller and crawler-type sludge pressurizing and dewatering unit according to claim 2, wherein: the upper scraper (19) and the lower scraper (18) are respectively corresponding to the two groups of caterpillar tracks (16) and are respectively contacted with the surfaces of the upper filter belt (22) and the lower filter belt (23).