CN115504192A

CN115504192A - Conveyor belt cleaning device and using method thereof

Info

Publication number: CN115504192A
Application number: CN202211256636.3A
Authority: CN
Inventors: 王义勇; 王强强; 刘旭; 田淑娟; 张亚东; 汪洋; 李伟
Original assignee: Shandong Fangda Engineering Co ltd
Current assignee: Shandong Fangda Engineering Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2022-12-23
Also published as: ZA202307965B; WO2024078044A1

Abstract

The invention discloses a conveyor belt cleaning device and a using method thereof, wherein the conveyor belt cleaning device comprises the following steps: the conveying adhesive tape is wound on the conveying roller; the side baffle plate is inserted with a fixed shaft on the side surface; the top surface of the material receiving box is provided with a blanking port; the injection pipe is bonded on the supporting plate; the left side and the right side of the liquid storage tank are symmetrically welded with fixing rods; the settling tank is internally provided with a net cylinder; the U-shaped pipe comprises a blowing section and a heating section; the bottom end of the support frame is welded with the fixed rod; a triangular scraper blade. According to the belt cleaning device for the conveyor and the using method of the belt cleaning device, the foam generator is used for generating foam by cleaning mixed liquid, the foam is sprayed onto the conveying belt, the foam is made to be in contact with dirt on the surface of the belt, the wet adhesion effect is achieved, the triangular scraper is used for scraping the foam and the dirt on the belt, the abrasion to the belt surface is reduced, and meanwhile the belt is prevented from being diffused.

Description

Conveyor belt cleaning device and using method thereof

Technical Field

The invention relates to the technical field of conveyors, in particular to a conveyor belt cleaning device and a use method thereof.

Background

The belt conveyor is also called as a rubber belt conveyor, and is widely applied to various industries such as household appliances, electronics, electrical appliances, machinery, tobacco, injection molding, post and telecommunications, printing, food and the like, and the assembly, detection, debugging, packaging, transportation and the like of objects.

In the transportation process, partial materials are easy to remain on the conveyer belt, the conveying efficiency is influenced along with the increase of the dirt of the conveyer belt, the conveyer belt can be deviated, and therefore the conveyer belt needs to be cleaned in time, and the cleanness and tidiness of the belt surface are kept.

However, the cleaning device in the prior art generally uses a spraying mechanism to wash the adhesive tape, and during the washing process, the water consumption is high, water is easy to splash outwards, the environmental humidity is increased, materials or electrical equipment are wetted and conveyed, and the water is easy to permeate into the inner surface of the adhesive tape, so that the problem of conveying and slipping is caused.

Disclosure of Invention

The invention provides a conveyor belt cleaning device and a using method thereof in order to make up for market vacancy.

The invention aims to provide a conveyor belt cleaning device and a use method thereof, and aims to solve the problems that the cleaning device in the prior art provided by the background art generally uses a spraying mechanism to wash a belt, the water consumption is high, water is easy to splash outwards, the environmental humidity is increased, conveyed materials or electric equipment are wetted, and water is easy to permeate into the inner surface of the belt to cause conveying slip in the washing process.

In order to achieve the purpose, the invention provides the following technical scheme: a conveyor belt cleaning device comprising:

the conveying rubber belt is wound on the conveying roller, and side baffles are symmetrically clamped at the front side and the rear side of the conveying rubber belt;

the side baffle plate is inserted with a fixed shaft on the side surface, a material receiving box is fixed on the bottom surface of the side baffle plate in a threaded manner, and the fixed shaft penetrates through the sealing plate and the roller;

the top surface of the material receiving box is provided with a blanking port, a dust chamber is formed inside the material receiving box, and the side surface of the material receiving box is embedded with an air guide pipe;

the injection pipe is adhered to the supporting plate and connected with the foam generator through a hose, and the foam generator is placed on a top plate of the liquid storage tank;

the left side and the right side of the liquid storage tank are symmetrically welded with fixing rods, a recovery pipe is inserted on the right side plate of the liquid storage tank, and the other end of the recovery pipe is inserted into the settling tank;

the device comprises a settling tank, a water inlet pipe, a water outlet pipe and a water outlet pipe, wherein a net cylinder is arranged in the settling tank, the settling tank is communicated with a discharge pipe, and the other end of the discharge pipe is connected with a U-shaped pipe;

the U-shaped pipe comprises a blowing section and a heating section, a coil is wound on the heating section, and a one-way valve is installed in the blowing section;

the bottom end of the supporting frame is welded with the fixed rod, and the top of the supporting frame is welded with the supporting plate;

the triangular scraper blade is clamped between the conveying rubber belt and the bottom plate of the side baffle.

Furthermore, the cross section of the conveying rubber belt is in a round-corner rectangular shape, the height of the upper surface and the height of the lower surface of the conveying rubber belt are smaller than that of the side baffle, the inner surface of the conveying rubber belt is in contact with the idler wheels, the top surface of the conveying rubber belt is close to the top plate of the side baffle, and a gap is reserved between the bottom surface of the conveying rubber belt and the bottom plate of the side baffle.

Furthermore, the supporting legs are installed at two ends of the outer side face of the side baffle in a threaded connection mode, the sealing plate is clamped between the side face of the side baffle and the side face of the conveying rubber belt, the bottom of the sealing plate is of a right-angled triangle structure, a sharp nail is welded on the triangular inclined plane, the top of the sealing plate is sleeved on the fixing shaft, and the two ends of the fixing shaft penetrate through the side baffle and the idler wheel respectively.

Furthermore, the bottom surface of the material receiving box is an arc-shaped plate protruding upwards, air guide pipes are symmetrically inserted into the front side surface and the rear side surface of the material receiving box, the air guide pipes are of an L-shaped structure, the upper ends of the air guide pipes are close to the top surface of the conveying rubber belt, and U-shaped pipes are welded below the arc-shaped plate.

Further, the injection pipe is located right below the right end of the conveying rubber belt, the liquid mixing pipe at the feeding end of the foam generator is connected with the liquid storage tank, the injection pipe faces the bottom surface of the conveying rubber belt, and the width of the injection pipe is the same as that of the conveying rubber belt.

Further, the section of blowing is close to conveyor belt's left side below, heating section intercommunication clean room, the bottom middle part of U-shaped pipe is connected with the delivery pipe, the region between delivery pipe intercommunication settling tank and the net section of thick bamboo, the inside region intercommunication recovery tube of a net section of thick bamboo.

Further, the support frame is type A shape structure, the hypotenuse of support frame left side is in the right side hypotenuse of support frame, the welding has the layer board between the hypotenuse of support frame, the concave surface orientation of layer board conveyor belt.

Further, the triangle scraper blade is the isosceles triangle structure, the triangle scraper blade spiro union is fixed the bottom plate upper surface of side shield, the closed angle of triangle scraper blade is towards the support frame, the mounted position of triangle scraper blade is close to the U-shaped pipe.

The use method of the conveyor belt cleaning device comprises the following steps:

s1, starting a hose, and spraying foam outwards through a spraying pipe, wherein the foam is attached to a conveying rubber belt;

s2, the conveying rubber belt drives the foam to move, dust generated on the upper portion of the conveying rubber belt is guided into the material receiving box through the air guide pipe, and the dust is adhered to the foam of the material receiving box;

s3, scraping the foam attached to the conveying rubber belt by using a triangular scraper so that the foam with dust falls on the arc-shaped plate;

s4, allowing the foam to enter a heating section, breaking the foam under the action of temperature rise, blowing generated hot air to the scraped conveying adhesive tape through a blowing section for drying, and generating negative pressure in the U-shaped pipe after the foam is broken to realize suction of the foam and dust;

and S5, the defoamed waste liquid flows into the settling tank along the discharge pipe, and the solution is conveyed into the liquid storage tank after being filtered by the net drum.

Compared with the prior art, the invention has the beneficial effects that: according to the belt cleaning device for the conveyor and the using method of the belt cleaning device, the foam generator is used for generating foam from cleaning mixed liquid, the foam is sprayed onto the conveying belt, the foam is made to be in contact with dirt on the surface of the belt, the wet adhesion effect is achieved, the triangular scraper blade is used for scraping the foam and the dirt on the belt, the abrasion to the belt surface is reduced, meanwhile, the foam adhesion dirt is effectively prevented from being diffused, the U-shaped pipe and the coil are used for heating and defoaming the dropped foam, the recycling effect is conveniently achieved, and hot gas generated in the defoaming process is used for drying the belt;

1. the side baffle plates are arranged on the side edges of the conveying rubber belt, the middle area of the conveying rubber belt is shielded, and the entering of external dust is reduced;

2. the material receiving box is used for receiving foam, so that the foam is convenient to gather and collect, the side plate of the material receiving direction is provided with the air guide pipe, dust generated by material conveying at the upper part of the conveying rubber belt is guided into the lower part of the conveying rubber belt, and the dust content in the working environment is effectively reduced;

3. u-shaped pipe is including blowing section and heating section in this device, the section of blowing in-installation check valve for outwards blow out gas and carry out the drying, it has the coil to coil outside the heating section, is used for the intensification defoaming to carry out the retrieval and utilization.

Drawings

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

FIG. 2 is a schematic side sectional view of the structure of the present invention;

FIG. 3 is a schematic sectional elevation view of the structure of the present invention;

FIG. 4 is a schematic top view of the structure of the present invention;

FIG. 5 is a schematic bottom view of the structure of the present invention;

fig. 6 is an enlarged view of the structure of the present invention at a in fig. 2.

In the figure: 1. conveying the adhesive tape; 2. a side dam; 3. a material receiving box; 4. an injection pipe; 5. a liquid storage tank; 6. a settling tank; 7. a U-shaped tube; 8. a support frame; 9. a triangular scraper; 11. a conveying roller; 21. supporting legs; 22. a fixed shaft; 23. closing plates; 24. a sharp nail; 25. a roller; 31. an air guide pipe; 32. a dust chamber; 33. an arc-shaped plate; 34. a blanking port; 41. a foam generator; 42. a hose; 61. a discharge pipe; 62. a recovery pipe; 63. a net drum; 71. a blowing section; 72. a heating section; 73. a coil; 74. a one-way valve; 81. a pallet; 82. and (6) fixing the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first specific implementation way is as follows: referring to fig. 1-6, the present invention provides a technical solution: a conveyor belt cleaning device comprising:

the conveying rubber belt 1 is wound on a conveying roller 11, and side baffles 2 are symmetrically clamped at the front side and the rear side of the conveying rubber belt 1;

the side baffle plate 2, the side of the side baffle plate 2 is inserted with a fixed shaft 22, the bottom surface of the side baffle plate 2 is fixed with a material receiving box 3 in a screwed mode, and the fixed shaft 22 penetrates through a sealing plate 23 and a roller 25;

the top surface of the material receiving box 3 is provided with a blanking port 34, a dust chamber 32 is formed inside the material receiving box 3, and the side surface of the material receiving box 3 is embedded with an air guide pipe 31;

the injection pipe 4, the injection pipe 4 is adhered on the supporting plate 81, the injection pipe 4 is connected with the foam generator 41 through the flexible pipe 42, the foam generator 41 is placed on the top plate of the liquid storage tank 5;

the liquid storage tank 5 is characterized in that fixing rods 82 are symmetrically welded on the left side and the right side of the liquid storage tank 5, a recovery pipe 62 is inserted on the right side plate of the liquid storage tank 5, and the other end of the recovery pipe 62 is inserted into the settling tank 6;

the device comprises a settling tank 6, wherein a net cylinder 63 is arranged in the settling tank 6, the settling tank 6 is communicated with a discharge pipe 61, and the other end of the discharge pipe 61 is connected with a U-shaped pipe 7;

the U-shaped pipe 7 and the U-shaped pipe 7 comprise a blowing section 71 and a heating section 72, wherein a coil 73 is wound on the heating section 72, and a one-way valve 74 is arranged in the blowing section 71;

the bottom end of the support frame 8 is welded with the fixed rod 82, and the top of the support frame 8 is welded with the supporting plate 81;

the triangular scraper blade 9, the triangular scraper blade 9 clamps between the conveying rubber belt 1 and the bottom plate of the side baffle 2.

When the conveyor belt cleaning device is used, the conveying roller 11 rotates to drive the conveying belt 1 to convey materials from left to right, when the materials reach the rightmost end of the conveying belt 1, the materials are separated from the conveying belt 1, at the moment, the conveying belt 1 returns, the foam generator 41 generates a large amount of cleaning foam by using cleaning mixed liquid from the liquid storage tank 5, the foam is sprayed on the conveying belt 1 through the spraying pipe 4 and contacts with dirt on the conveying belt 1 in a covering, wetting and adhering mode, the air guide pipe 31 guides the return stroke generated by the belt conveying materials into the dust removal chamber 32, when the conveying belt 1 moves leftwards with the foam in the material receiving tank 3, the dust is adhered by the foam, the dust removal and dust fall effect is achieved, when the foam moves through the triangular scraper blade 9, the foam and the dust on the surface of the conveying belt 1 are scraped by the scraper blade and fall onto the arc-shaped plate 33, the arc-shaped plate 33 dispersedly conveys the foam to the U-shaped pipe 7, when the foam passes through the heating section 72, the foam is broken when the temperature changes, the foam is broken, the waste liquid generated is broken and is blown out from the blowing section 71, the conveying belt 1 after being scraped, the drying belt 1 is conveyed into the U-shaped pipe 7, the waste liquid is dried, the waste liquid is filtered and enters the dust collection pipe 61 again, and enters the dust collection pipe 6 again, and is filtered, and then flows into the dust collection pipe 6, and filtered waste liquid in the liquid storage tank 5 again, and enters the dust collection pipe 6 again, and is mixed waste liquid storage tank 5 again, and is mixed liquid.

The second embodiment is as follows: as shown in fig. 1, 2 and 3, the cross section of the conveyor belt 1 is in a rounded rectangular shape, the height of the upper surface and the lower surface of the conveyor belt 1 is smaller than the height of the side barrier 2, the inner surface of the conveyor belt 1 is in contact with the roller 25, the top surface of the conveyor belt 1 is close to the top plate of the side barrier 2, a gap is left between the bottom surface of the conveyor belt 1 and the bottom plate of the side barrier 2, and the roller 25 limits the height of the lower layer of the conveyor belt 1.

The third concrete implementation mode: as shown in fig. 2 and 3, supporting legs 21 are screwed to both ends of the outer side surface of the side baffle 2, a sealing plate 23 is clamped between the side baffle 2 and the side surface of the conveying belt 1, the bottom of the sealing plate 23 is of a right-angled triangle structure, a sharp nail 24 is welded on the inclined surface of the triangle, the top of the sealing plate 23 is sleeved on a fixing shaft 22, both ends of the fixing shaft 22 respectively penetrate through the side baffle 2 and a roller 25, the side baffle 2 and the material receiving box 3 form a semi-enclosed structure to enclose the middle lower part of the conveying belt 1, contact between the return belt and the outside is reduced, the cleaning effect is improved, and repeated cleaning is avoided.

The fourth concrete implementation mode is as follows: this embodiment is the further restriction of embodiment one, the bottom surface of material receiving box 3 is the bellied arc 33 that makes progress, it has guide duct 31 to peg graft on the front and back both sides face of material receiving box 3 symmetrically, guide duct 31 is L shape structure, the upper end of guide duct 31 is close to the top surface of carrying sticky tape 1, the welding has U-shaped pipe 7 below of arc 33, material receiving box 3 accepts the foam that drips and the foam that the scraper blade was scraped down in the removal process, arc 33 conveniently disperses the foam to both sides, avoid producing local pile up the problem.

The fifth concrete implementation mode: as shown in fig. 1 and 3, the injection pipe 4 is located right below the right end of the conveyor belt 1, the liquid mixing pipe at the feeding end of the foam generator 41 is connected to the liquid storage tank 5, the injection pipe 4 faces the bottom surface of the conveyor belt 1, the width of the injection pipe 4 is the same as the width of the conveyor belt 1, the liquid storage tank 5 stores cleaning liquid and clean water, the cleaning liquid and the clean water are mixed in proportion and then conveyed to the foam generator 41, the generated foam is injected into the injection pipe 4 through the hose 42, and the injection force and the height of the supporting plate 81 are adjusted in advance to enable the sprayed foam to be uniformly laid on the conveyor belt 1.

The sixth specific implementation mode: the embodiment is further defined as the first embodiment, the blowing section 71 is close to the lower left of the conveyor belt 1, the heating section 72 is communicated with the dust removing chamber 32, the middle part of the bottom end of the U-shaped pipe 7 is connected with the discharge pipe 61, the discharge pipe 61 is communicated with the area between the settling tank 6 and the net drum 63, and the inner area of the net drum 63 is communicated with the recovery pipe 62.

The seventh concrete implementation mode: this embodiment is the further restriction of embodiment one, and support frame 8 is type A shape structure, and the hypotenuse on the left of support frame 8 is shorter than the right side hypotenuse of support frame 8, and the welding has layer board 81 between the hypotenuse of support frame 8, and the concave surface of layer board 81 is towards conveying sticky tape 1, and the right side hypotenuse of support frame 8 is used for outside guide, places the material and drops on layer board 81.

The specific implementation mode eight: this embodiment is the further restriction of embodiment one, as shown in fig. 3 and 5, triangle scraper blade 9 is the isosceles triangle structure, triangle scraper blade 9 spiro union is fixed at the bottom plate upper surface of side shield 2, the closed angle of triangle scraper blade 9 is towards support frame 8, the mounted position of triangle scraper blade 9 is close to U-shaped pipe 7, directly use the scraper blade to scrape off the dirt on the sticky tape, the degree of wear to the area is big, the transport principle of transport sticky tape 1 utilizes the frictional force between area and material, use the foam to carry out the wetting can effectively protect the area, the while water consumption significantly reduces, the area of contact with the dust increases.

The specific implementation method nine: the use method of the conveyor belt cleaning device comprises the following steps:

s1, starting a hose 42, and spraying foam outwards through a spraying pipe 4, wherein the foam is attached to a conveying rubber belt 1;

s2, the conveying rubber belt 1 drives the foam to move, the air guide pipe 31 guides dust generated on the upper portion of the conveying rubber belt 1 into the material receiving box 3, and the dust is adhered to the foam of the material receiving box 3;

s3, scraping the foam attached to the conveying rubber belt 1 by the triangular scraper 9 to enable the foam with dust to fall on the arc-shaped plate 33;

s4, the foam enters a heating section 72, the foam is broken under the action of temperature rise, generated hot air is blown to the scraped conveying rubber belt 1 through a blowing section 71 for drying, and negative pressure is generated in the U-shaped pipe 7 after the foam is broken, so that foam and dust are sucked;

s5, the waste liquid after defoaming flows into the settling tank 6 along the discharge pipe 61, and the solution is filtered by the net cylinder 63 and then is input into the liquid storage tank 5.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A conveyor belt cleaning device, comprising:

the conveying rubber belt (1) is wound on a conveying roller (11), and side baffles (2) are symmetrically clamped at the front side and the rear side of the conveying rubber belt (1);

the side baffle (2) is inserted with a fixed shaft (22) on the side surface of the side baffle (2), the bottom surface of the side baffle (2) is fixed with a material receiving box (3) in a screwing way, and the fixed shaft (22) penetrates through the sealing plate (23) and the roller (25);

the device comprises a material receiving box (3), wherein a blanking port (34) is formed in the top surface of the material receiving box (3), a dust chamber (32) is formed inside the material receiving box (3), and an air guide pipe (31) is embedded in the side surface of the material receiving box (3);

the injection pipe (4) is adhered to the supporting plate (81), the injection pipe (4) is connected with the foam generator (41) through a hose (42), and the foam generator (41) is placed on the top plate of the liquid storage tank (5);

the device comprises a liquid storage tank (5), fixing rods (82) are symmetrically welded on the left side and the right side of the liquid storage tank (5), a recovery pipe (62) is inserted into the right side plate of the liquid storage tank (5), and the other end of the recovery pipe (62) is inserted into a settling tank (6);

the device comprises a settling tank (6), wherein a net cylinder (63) is arranged in the settling tank (6), the settling tank (6) is communicated with a discharge pipe (61), and the other end of the discharge pipe (61) is connected with a U-shaped pipe (7);

the U-shaped pipe (7), the U-shaped pipe (7) comprises a blowing section (71) and a heating section (72), a coil (73) is wound on the heating section (72), and a one-way valve (74) is installed in the blowing section (71);

the supporting frame (8), the bottom end of the supporting frame (8) is welded with a fixed rod (82), and a supporting plate (81) is welded at the top of the supporting frame (8);

the triangular scraper (9), the triangular scraper (9) is clamped between the conveying rubber belt (1) and the bottom plate of the side baffle (2).

2. The conveyor belt cleaning device of claim 1, wherein: the cross section of the conveying rubber belt (1) is in a round-angle rectangular shape, the height of the upper surface and the lower surface of the conveying rubber belt (1) is smaller than that of the side baffle (2), the inner surface of the conveying rubber belt (1) is in contact with the roller (25), the top surface of the conveying rubber belt (1) is close to the top plate of the side baffle (2), and a gap is reserved between the bottom surface of the conveying rubber belt (1) and the bottom plate of the side baffle (2).

3. A conveyor belt cleaning device as claimed in claim 2, characterized in that: supporting legs (21) are installed at the two ends of the outer side face of the side baffle (2) in a threaded mode, sealing plates (23) are clamped between the side faces of the conveying rubber belts (1) of the side baffle (2), the bottoms of the sealing plates (23) are of right-angled triangle structures, and sharp nails (24) are welded on the triangular inclined planes, the top of each sealing plate (23) is sleeved on a fixing shaft (22), and the two ends of each fixing shaft (22) penetrate through the side baffle (2) and rollers (25) respectively.

4. The conveyor belt cleaning device according to claim 1, wherein: the bottom surface of the material receiving box (3) is an arc-shaped plate (33) protruding upwards, air guide pipes (31) are symmetrically inserted into the front side surface and the rear side surface of the material receiving box (3), the air guide pipes (31) are of an L-shaped structure, the upper ends of the air guide pipes (31) are close to the top surface of the conveying adhesive tape (1), and U-shaped pipes (7) are welded below the arc-shaped plate (33).

5. The conveyor belt cleaning device of claim 1, wherein: injection pipe (4) are located under conveyor belt (1) right-hand member, the liquid mixing pipe of foam generator (41) feed end is connected liquid storage pot (5), injection pipe (4) orientation the bottom surface of conveyor belt (1), the width of injection pipe (4) with the width of conveyor belt (1) is the same.

6. The conveyor belt cleaning device of claim 1, wherein: blowing section (71) are close to the left side below of conveyor belt (1), heating section (72) intercommunication clean room (32), the bottom middle part of U-shaped pipe (7) is connected with discharge pipe (61), discharge pipe (61) intercommunication settling tank (6) and the region between the net section of thick bamboo (63), the inside region intercommunication recovery tube (62) of net section of thick bamboo (63).

7. The conveyor belt cleaning device according to claim 1, wherein: support frame (8) are type A shape structure, the left hypotenuse of support frame (8) is short in the right side hypotenuse of support frame (8), the welding has layer board (81) between the hypotenuse of support frame (8), the concave surface orientation of layer board (81) carry sticky tape (1).

8. The conveyor belt cleaning device of claim 1, wherein: triangle scraper blade (9) are the isosceles triangle structure, triangle scraper blade (9) spiro union is fixed the bottom plate upper surface of side shield (2), the closed angle of triangle scraper blade (9) is towards support frame (8), the mounted position of triangle scraper blade (9) is close to U-shaped pipe (7).

9. The use method of the conveyor belt cleaning device is characterized by comprising the following steps:

s1, starting a hose (42), and spraying foam outwards through a spraying pipe (4), wherein the foam is attached to a conveying rubber belt (1);

s2, the conveying rubber belt (1) drives the foam to move, dust generated on the upper portion of the conveying rubber belt (1) is guided into the material receiving box (3) through the air guide pipe (31), and the dust is adhered to the foam of the material receiving box (3);

s3, scraping foam attached to the conveying rubber belt (1) by using a triangular scraper (9) to enable the foam with dust to fall on an arc-shaped plate (33);

s4, the foam enters a heating section (72), the foam is broken under the action of temperature rise, generated hot air is blown to the scraped conveying adhesive tape (1) through a blowing section (71) to be dried, and negative pressure is generated in a U-shaped pipe (7) after the foam is broken, so that the foam and dust are sucked;

s5, the waste liquid after defoaming flows into a settling tank (6) along a discharge pipe (61), and the solution is filtered by a net cylinder (63) and then is input into a liquid storage tank (5).