CN210473248U

CN210473248U - Vacuum belt dehydrator

Info

Publication number: CN210473248U
Application number: CN201921175643.4U
Authority: CN
Inventors: 王立锋; 俞波; 蔡杨豪; 宋志鹏
Original assignee: Zhejiang Tuna Environmental Science and Technology Co Ltd
Current assignee: Zhejiang Tuna Environmental Science and Technology Co Ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-05-08
Anticipated expiration: 2029-07-24

Abstract

The utility model relates to a vacuum belt hydroextractor, relate to the technical field of vacuum hydroextractor equipment, which comprises a frame, rotate in the frame and install two transmission rollers by motor drive, the cover is established and is installed the conveyer belt on two transmission rollers, still rotate in the frame and install a plurality of fabric guide rolls, fabric guide roll and conveyer belt are up one side around being equipped with and linking into annular filter cloth, frame length direction one end just is located the filter cloth and is provided with the scraper from the below that the conveyer belt is defeated down, filter cake one side butt is accepted to the scraper and filter cloth, just be located the scraper below and be provided with a plurality of high-pressure jet pipes along the width direction of filter cloth in the frame, high-pressure jet pipe spouts and deviates from accepting filter. The utility model discloses a blow off the material in the filter cloth to the amount of residue of material in the greatly reduced filter cloth has reduced the influence of later stage to material dehydration effect.

Description

Vacuum belt dehydrator

Technical Field

The utility model belongs to the technical field of the technique of vacuum dehydration machine equipment and specifically relates to a vacuum belt hydroextractor is related to.

Background

The vacuum belt dehydrator is a continuous filter which utilizes the negative pressure of vacuum equipment and the gravity of materials to realize the fast solid-liquid separation, can be widely applied to the solid-liquid separation in the fields of metallurgy, chemical industry, papermaking, food and the like, and particularly basically adopts the vacuum belt dehydrator in a limestone-gypsum wet desulphurization system. However, when a general vacuum belt dehydrator normally works, with the rotation of the filter cloth, the dehydrated materials are not completely separated from the filter cloth under the action of gravity due to the self-adhesion force, and a part of the materials are adhered to the surface of the filter cloth and are brought back along with the rotation of the filter cloth. Therefore, the separation of the material adhered to the filter cloth is generally performed by providing a scraper on the vacuum belt dehydrator.

Chinese utility model patent with publication number CN202410315U discloses a scraper device of belt dewaterer, which is installed on the belt dewaterer, the scraper device, including the scraper, the scraper corresponds the setting with the filter cloth of belt dewaterer, and the scraper is equipped with the direction chamfer with the one end of filter cloth department of meeting. When the filter cloth passes through the scraper, the scraper scrapes off a filter cake on the filter cloth, and the filter cloth is cleaned.

The technical scheme has the following defects: when the scraper is pressed with the filter cloth to scrape a filter cake, part of particles can be pressed into the filter cloth, so that the part of particles are left in the filter cloth, and the later dehydration effect on materials is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vacuum belt hydroextractor blows off through the material with in the filter cloth to the amount of residue of material in the greatly reduced filter cloth has reduced the influence of later stage to material dehydration effect.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a vacuum belt dehydrator, includes the frame, rotate in the frame and install two transmission rollers by motor drive, two the cover is established and is installed the conveyer belt on the transmission roller, still rotate in the frame and install a plurality of fabric guide rolls, the fabric guide roll with conveyer belt one side up is around being equipped with even into annular filter cloth, frame length direction one end just is located the filter cloth is followed the below that the conveyer belt is defeated is provided with the scraper, the scraper with filter cloth accepts filter cake one side butt, just be located in the frame the scraper below is followed the width direction of filter cloth is provided with a plurality of high-pressure jet pipes, high-pressure jet pipe spout to filter cloth deviates from accepts filter cake one side.

Through adopting above-mentioned technical scheme, after the filter cloth passes through the scraper, the high-pressure air injection pipe deviates from to accept filter cake one side and spouts the gas injection to the filter cloth, and the air current sees through the hole of filter cloth and will impress or persist the material in the filter cloth and blow off to the volume of remaining of material in the greatly reduced filter cloth has reduced the influence of later stage to material dehydration effect.

Preferably, be provided with the protection casing in the frame, the through-hole that is the bar is all seted up along vertical roof and diapire to the protection casing, the filter cloth passes through the through-hole is followed the protection casing passes through, the jet pipe setting of high pressure is in on the lateral wall of protection casing, just the protection casing with be equipped with the gas outlet on the lateral wall that the jet pipe of high pressure is relative.

Through adopting above-mentioned technical scheme, because the high pressure jet-propelled pipe can send great noise when spouting the air to the filter cloth, and the filter cloth rocks easily, influences jet-propelled effect. Through the arrangement of the protective cover, the high-pressure air injection pipe is arranged in the protective cover for injecting air to the filter cloth, so that the shaking of the filter cloth can be reduced, and meanwhile, the noise can also be reduced.

Preferably, the outer wall of the protective cover is provided with a sound insulation layer.

Through adopting above-mentioned technical scheme, the noise reduction effect of protection casing has further been improved in the setting of puigging.

Preferably, an opening is formed in the side wall of one side, opposite to the high-pressure gas injection pipe, of the protective cover, a closed door used for covering the opening is arranged in the protective cover in a rotating mode, a locking assembly connected with the closed door is arranged on the protective cover, and a sponge layer is arranged on one side, facing the filter cloth, of the closed door.

Through adopting above-mentioned technical scheme, high pressure jet pipe can blow the material to the inner wall of protection casing when blowing off the material on, then can produce the noise, and can adhere to on the inner wall. Through the setting on closing door and sponge layer, the sponge layer can play the buffering effect, and noise reduction opens the inner wall and the sponge layer that can be convenient for to the protection casing and clear up.

Preferably, the locking assembly comprises a connecting piece, a screw rod and a pressing block, wherein the connecting piece is fixedly arranged on the closed door, is far away from one end of a rotary connection point of the protective cover and is provided with a strip-shaped hole, the screw rod is arranged on the outer wall of the protective cover and can penetrate through the strip-shaped hole, and the pressing block is arranged on the screw rod in a threaded manner.

Through adopting above-mentioned technical scheme, when needs closed the closed door, will close the door and turn down, the screw rod passes the bar hole of connection piece, screws up the briquetting again and realizes the fixed to the connection piece to the realization is fixed to the closed door.

Preferably, two supporting rollers are rotatably arranged in the protective cover along the vertical direction at intervals, the two supporting rollers are in contact with the filter cloth, and the horizontal height of the high-pressure gas injection pipe is located between the two supporting rollers.

By adopting the technical scheme, the supporting roll plays a role in supporting the filter cloth, so that the shaking of the filter cloth when the high-pressure air injection pipe injects air is further reduced, and the cleaning effect of the high-pressure air injection pipe on the filter cloth is improved.

Preferably, the side wall of the protective cover between the two support rollers is provided with a mudguard, and the horizontal height of the high-pressure gas ejector pipe is positioned between the two mudguards.

By adopting the technical scheme, the mudguard can greatly reduce the probability of the material blown out by the high-pressure air injection pipe falling on the supporting roller, so that the probability of the material on the supporting roller returning to the filter cloth when the supporting roller rotates relative to the filter cloth is reduced.

Preferably, the height of the mudguard is higher at one end close to the high-pressure gas nozzle than at one end far away from the high-pressure gas nozzle.

Through adopting above-mentioned technical scheme for the material that falls on the fender can fall along the inclination of fender, reduces piling up of material, reduces the probability that the material on the fender got back to the filter cloth again.

To sum up, the utility model discloses a beneficial technological effect does:

1. the material in the filter cloth is blown out, so that the residual quantity of the material in the filter cloth is greatly reduced, and the influence on the material dehydration effect in the later period is reduced;

2. through the arrangement of the protective cover, the air injection position of the high-pressure air injection pipe to the filter cloth is arranged in the protective cover, so that the shaking of the filter cloth can be reduced, and the noise can be reduced;

3. through the setting on closing door and sponge layer, the sponge layer can play the buffering effect, and noise reduction opens the inner wall and the sponge layer that can be convenient for to the protection casing and clear up.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of the present invention;

FIG. 2 is a cross-sectional view of the shield and its internal structure;

fig. 3 is a partial exploded view of the present invention.

Reference numerals: 1. a frame; 11. a transfer roller; 12. a motor; 13. a cloth guide roller; 14. filtering cloth; 15. a scraper; 16. a conveyor belt; 2. a protective cover; 21. a through hole; 22. a high-pressure gas ejector pipe; 23. a support roller; 24. a fender; 25. an air outlet; 26. an opening; 27. a closing door; 271. a sponge layer; 28. a locking assembly; 281. connecting sheets; 282. a screw; 283. briquetting; 284. a strip-shaped hole; 29. and a sound insulation layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a vacuum belt dehydrator, refers to fig. 1, including the whole frame 1 that is cuboid frame form, the both ends of 1 length direction of frame just are located the upper end and rotate respectively and install two transmission rollers 11 by motor 12 driven, and two transmission rollers 11 are gone up the cover and are established and install conveyer belt 16, just are located transmission roller 11 below and still rotate along length direction in frame 1 and install a plurality of fabric guide rollers 13, and fabric guide rollers 13 and conveyer belt 16 are around being equipped with one side up and even become annular filter cloth 14.

Referring to fig. 1 and 2, a scraper 15 is fixedly arranged at one end of the machine frame 1 in the length direction and below the filter cloth 14 conveyed by a conveyor belt 16, and the scraper 15 abuts against one side of the filter cloth 14 receiving the filter cake. The frame 1 is provided with a protective cover 2 below the scraper 15, the protective cover 2 is provided with a strip-shaped through hole 21 along the vertical top wall and the bottom wall, and the filter cloth 14 passes through the through hole 21 from the protective cover 2.

Referring to fig. 2, a plurality of high-pressure gas injection pipes 22 are fixedly arranged on one vertical side of the protective cover 2 at equal intervals along the length direction, and the parts of the high-pressure gas injection pipes 22 extend into the protective cover 2 and blow towards one side of the filter cloth 14 departing from the side for receiving the filter cake. Two back-up rolls 23 are rotatably arranged in the protective cover 2 along the vertical interval, the two back-up rolls 23 are in contact with the filter cloth 14, the horizontal height of the high-pressure air injection pipe 22 is located between the two back-up rolls 23, the high-pressure air injection pipe 22 sprays air onto the filter cloth 14, the filter cloth 14 can bend to one side far away from the high-pressure air injection pipe 22, the two back-up rolls 23 play a supporting role, the deformation degree of the filter cloth 14 is reduced, and the air injection impurity removal effect of the high-pressure air injection pipe 22 on the filter cloth 14 is.

Meanwhile, a mudguard 24 is fixedly arranged on the side wall of the shield 2 between the two support rollers 23, the horizontal height of the high-pressure gas ejector pipe 22 is positioned between the two mudguards 24, and the height of the end, close to the high-pressure gas ejector pipe 22, of the mudguards 24 is higher than that of the end, far away from the high-pressure gas ejector pipe 22, of the mudguards 24. The arrangement of the mud guard 24 can reduce the probability that the material sprayed by the high-pressure gas spraying pipe 22 falls on the supporting roller 23, so that the probability that the material on the supporting roller 23 returns to the filter cloth 14 when the supporting roller 23 is in contact with the filter cloth 14 is reduced.

Referring to fig. 2 and 3, the side wall of the protection cover 2 opposite to the high-pressure gas injection pipe 22 is provided with a gas outlet 25 communicated with the bottom wall, an opening 26 is further formed on the side wall and above the gas outlet 25, the protection cover 2 is hinged with a closing door 27 for covering the opening 26, and the protection cover 2 is provided with a locking assembly 28 connected with the closing door 27. The locking assembly 28 comprises two connecting pieces 281, a screw 282 and a pressing block 283, the two connecting pieces 281 are strip-shaped, the two connecting pieces 281 are fixedly arranged at one end of the closed door 27 far away from the hinge point with the protective cover 2 at intervals, one end of the connecting piece 281 protruding out of the closed door 27 is also provided with a strip-shaped hole 284, and the length direction of the strip-shaped hole 284 is consistent with that of the connecting pieces 281; the screw 282 is fixedly arranged on the shield 2, and when the closing door 27 is turned to be closed, the screw 282 passes through the strip-shaped hole 284; the pressing piece 283 is in threaded fit with the screw 282, when the closing door 27 is turned to be closed, the pressing piece 283 is screwed, and the connecting piece 281 is tightly pressed on the outer wall of the protective cover 2 by the pressing piece 283.

A sponge layer 271 is fixedly arranged on the side of the closing door 27 covering the opening 26 for reducing the impact force of the ejected material and reducing the generation of noise. Meanwhile, a sound insulation layer 29 is fixedly bonded to the outer walls of the hood 2 and the closing door 27, and the sound insulation layer 29 is made of sound insulation felt.

The working principle of the embodiment is as follows:

the filter cloth 14 enters the protective cover 2 after passing through the scraper 15, the high-pressure air injection pipe 22 injects air to one side of the filter cloth 14 departing from the filter cake, and the materials remained on the filter cloth 14 are sprayed out from the other side of the filter cloth 14, sprayed onto the sponge layer 271 and then fall down from the air outlet 25.

When the cleaning is needed, the pressing block 283 is unscrewed, the closing door 27 is opened, the sponge layer 271, the inner wall of the protective cover 2 and the supporting roller 23 are cleaned, after the cleaning is completed, the closing door 27 is closed, and the pressing block 283 is screwed, so that the cleaning is completed.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a vacuum belt dewaterer, includes frame (1), rotate in frame (1) and install two transmission roller (11) by motor (12) driven, two the cover is established and is installed conveyer belt (16) on transmission roller (11), still rotate in frame (1) and install a plurality of fabric guide roller (13), fabric guide roller (13) with conveyer belt (16) one side up is around being equipped with into annular filter cloth (14) even, frame (1) length direction one end just is located filter cloth (14) are followed conveyer belt (16) are defeated below down is provided with scraper (15), scraper (15) with filter cloth (14) are accepted filter cake one side butt, its characterized in that: the filter cloth cleaning machine is characterized in that the machine frame (1) is provided with a plurality of high-pressure air injection pipes (22) below the scraper (15) along the width direction of the filter cloth (14), and the high-pressure air injection pipes (22) inject air to one side, deviating from the filter cake bearing side, of the filter cloth (14).

2. The vacuum belt dehydrator of claim 1, wherein: be provided with protection casing (2) on frame (1), through-hole (21) that are the bar are all seted up along vertical roof and diapire in protection casing (2), filter cloth (14) pass through-hole (21) are followed protection casing (2) pass through, high-pressure jet pipe (22) set up on the lateral wall of protection casing (2), just protection casing (2) with be equipped with gas outlet (25) on the lateral wall that high-pressure jet pipe (22) are relative.

3. A vacuum belt extractor according to claim 2, wherein: and a sound insulation layer (29) is arranged on the outer wall of the protective cover (2).

4. A vacuum belt extractor according to claim 2, wherein: the high-pressure gas ejector is characterized in that an opening (26) is formed in the side wall of one side, opposite to the high-pressure gas ejector pipe (22), of the protective cover (2), a closed door (27) used for covering the opening (26) is arranged in the protective cover (2) in a rotating mode, a locking assembly (28) connected with the closed door (27) is arranged on the protective cover (2), and a sponge layer (271) is arranged on one side, facing the filter cloth (14), of the closed door (27) when the closed door (27) is closed.

5. The vacuum belt dehydrator of claim 4, wherein: the locking assembly (28) comprises a connecting piece (281), a screw rod (282) and a pressing block (283), wherein the connecting piece (281) is fixedly arranged at one end, far away from the rotary connection point of the protective cover (2), of the closed door (27) and is provided with a strip-shaped hole (284), the screw rod (282) is arranged on the outer wall of the protective cover (2) and can penetrate through the strip-shaped hole (284), and the pressing block (283) is installed on the screw rod (282) in a threaded mode.

6. A vacuum belt extractor according to claim 2, wherein: two supporting rollers (23) are rotatably arranged in the protective cover (2) along the vertical direction at intervals, the two supporting rollers (23) are in contact with the filter cloth (14), and the horizontal height of the high-pressure gas injection pipe (22) is located between the two supporting rollers (23).

7. The vacuum belt dehydrator of claim 6, wherein: two between backing roll (23) protection casing (2) lateral wall is provided with fender (24), just the level of high-pressure gas ejector pipe (22) is located two between fender (24).

8. The vacuum belt dehydrator of claim 7, wherein: the height of the mudguard (24) close to one end of the high-pressure gas injection pipe (22) is higher than that of the end far away from the high-pressure gas injection pipe (22).