CN108554089B

CN108554089B - Dust remover

Info

Publication number: CN108554089B
Application number: CN201810473303.3A
Authority: CN
Inventors: 肖小燕; 张小金; 王春艳; 杨红梅; 梁晓伟; 杨艳飞
Original assignee: Nantong Dongjing Environmental Protection Equipment Co ltd
Current assignee: Dongjing Environmental Technology Jiangsu Co ltd
Priority date: 2018-05-16
Filing date: 2018-05-16
Publication date: 2021-01-19
Anticipated expiration: 2038-05-16
Also published as: CN108554089A

Abstract

The application discloses a dust remover, which comprises a shell, and a water tank, a primary washing device, a water film dust removing device, a spraying device and a demisting layer which are arranged in the shell from bottom to top in sequence; the top end of the shell is provided with an air outlet, and the lower part of the side wall is provided with an air inlet; the primary washing device comprises a rotary drum which is horizontally arranged; the peripheral surface of the rotary drum is surrounded by a reticular material or a sheet material with uniformly distributed meshes; a plurality of partition plates are arranged in the rotary drum; the lower half part of the rotating cylinder is sunk below the water surface of the water pool; the water film dust removing device comprises a row of rotating rubber rollers and a dust removing plate above the rubber rollers; the axis of the rubber roller is provided with a hollow cavity filled with sponge and a plurality of dust removal through holes for communicating the surface with the hollow cavity; the spraying device comprises a spray head; the spray head is connected with the water pool; the demisting layer is arranged between the spraying device and the air outlet. In this application cylinder, rubber roll are in the rotating condition, and the dust removal board jolts from top to bottom along with the rotation of rubber roll, has prevented the formation of fixed air current passageway for take the most probably contact water of dust removal gas, improved dust collection efficiency.

Description

Dust remover

Technical Field

The application relates to an environmental protection equipment, concretely relates to dust remover.

Background

Environmental protection generally refers to the collective name of various actions that human beings take to solve real or potential environmental problems, coordinate the relationship between human beings and the environment, protect the living environment of human beings, and guarantee the sustainable development of the economy and society. The environmental protection relates to the problems that private mining (mining) is incapable of cutting trees, the waste water is incapable of being discharged randomly (sewage) and discharging randomly (foul air), the grazing cannot be performed excessively, the wastefulness cannot be performed excessively, natural resources cannot be developed excessively, the ecological balance of the nature cannot be damaged, and the like.

The environment protection needs to remove dust from the flue gas generated in the production process, and the equipment for separating the dust from the flue gas is called a dust remover. The existing dust collectors have various types and also have various defects, such as incapability of adapting to high-temperature flue gas (such as a bag-type dust collector), high maintenance cost (such as an electrostatic dust collector) and low dust collection efficiency (such as a cyclone dust collector).

Disclosure of Invention

In view of the above-mentioned drawbacks or deficiencies in the prior art, it would be desirable to provide a dust separator.

The application provides a dust remover, which comprises a shell, and a water tank, a primary washing device, a water film dust removing device, a spraying device and a demisting layer which are arranged in the shell from bottom to top in sequence; the top end of the shell is provided with an air outlet, and the lower part of the side wall is provided with an air inlet; the primary washing device comprises a rotary drum which is horizontally arranged; the peripheral surface of the rotary drum is surrounded by a reticular material or a sheet material with uniformly distributed meshes; a plurality of partition plates are arranged in the rotary drum; the clapboards are arranged along the radial direction, and the included angles between the adjacent clapboards are the same; the lower half part of the rotating cylinder is sunk below the water surface of the water pool; the air inlet is opposite to the upper half part of the rotary drum; the water film dust removing device comprises a row of rotating rubber rollers arranged above the primary washing device and at least two layers of dust removing plates which are arranged above the rubber rollers and are uniformly provided with meshes; the rotation directions of the adjacent rubber rollers are opposite; a hollow cavity is arranged at the axis of the rubber roller; the hollow cavity is filled with sponge; a plurality of dust removal through holes communicating the surface with the hollow cavity are formed in the rubber roller; the spraying device comprises a spray head erected above the water film dust removal device; the spray head is connected with the water pool through a circulating water pump and a water pipe; the demisting layer is arranged between the spraying device and the air outlet. The flue gas enters the upper half part of the rotary drum through the gas inlet, part of the flue gas is filtered out through the wall of the rotary drum, and part of the flue gas is filtered out through the wall of the rotary drum after being transferred to the water surface of the water pool along with the rotary drum; the flue gas is subjected to primary dust removal through the rotary drum and then rises to the rubber roll, water film dust removal is carried out at a water film position in the gap of the rubber roll, part of the flue gas enters the hollow cavity of the axis of the rubber roll from the dust removal through hole, and the flue gas is filtered through the sponge and then flows out through the dust removal through hole; the flue gas after secondary dust removal after passing through the rubber roll flows through the dust removal plate to be subjected to tertiary dust removal, then is subjected to quaternary dust removal through the water mist sprayed by the spray head, and finally is discharged from the gas outlet after the water mist is removed through the demisting layer, so that the flue gas purification and dust removal are completed. In the application, the roller and the rubber roller are always in a rotating state, so that the reduction of dust removal efficiency caused by the formation of a fixed airflow channel is prevented; the dust removing plate jolts up and down along with the rotation of the rubber roller, so that a fixed airflow channel is prevented from being formed, dust removing gas is enabled to contact with water (a film) to the maximum extent, and the dust removing efficiency is improved; in addition, this application can adapt to high temperature flue gas, and not fragile, is convenient for maintain.

Preferably, the section of the dust removing plate is in a sharp-angled corrugated shape formed by connecting a plurality of semi-arcs in a row; the semi-circular arc of the dust removing plate at the lowest layer is externally tangent with the rubber roller. The dust removing plate jolts on the rubber roller but cannot move greatly, and abrasion can be reduced.

Preferably, the sharp angles of two adjacent layers of dust removing plates are opposite in orientation, and the sharp angles are abutted to the midpoints of the semi-circular arcs of the adjacent layers. The structure is more compact and more stable.

Preferably, the two sides of the dust removing plate are provided with edge sealing mechanisms for preventing the flue gas from directly passing through the two sides of the dust removing plate.

Preferably, the edge sealing mechanism comprises a support plate with a right-angle U-shaped section and a blocking cloth connected to the U-shaped opening of the support plate; the width of the cloth blocking is larger than that of the U-shaped opening of the bracket plate; the two sides of the dust removing plate are propped against the blocking cloth. During the bumping motion of the dust removing plate, the two sides of the dust removing plate always abut against the blocking cloth, so that gas is prevented from directly passing through the two sides of the dust removing plate without third dust removal.

Preferably, the barrier cloth is an elastic cloth. Is not easy to damage.

Preferably, two sides of the dust removing plate are provided with flat plate eaves; the flat plate eaves are abutted against the blocking cloth.

Preferably, the edge of the cross section of the flat eave is arc-shaped. And the abrasion to the blocking cloth is reduced.

Preferably, the dust removal through holes are spirally distributed on the rubber roller.

Preferably, the end part of the rubber roller extends out of the shell, and the extending part is provided with a gear which is meshed with the extending part; all rubber rollers are jointly driven by the same motor. And energy is saved.

The application has the advantages and positive effects that: because the technical scheme is adopted, the smoke enters the upper half part of the rotary drum through the air inlet, part of the smoke is filtered out through the wall of the rotary drum, and part of the smoke is filtered out through the wall of the rotary drum after being turned to the position below the water surface of the water pool along with the rotary drum; the flue gas is subjected to primary dust removal through the rotary drum and then rises to the rubber roll, water film dust removal is carried out at a water film position in the gap of the rubber roll, part of the flue gas enters the hollow cavity of the axis of the rubber roll from the dust removal through hole, and the flue gas is filtered through the sponge and then flows out through the dust removal through hole; the flue gas after secondary dust removal after passing through the rubber roll flows through the dust removal plate to be subjected to tertiary dust removal, then is subjected to quaternary dust removal through the water mist sprayed by the spray head, and finally is discharged from the gas outlet after the water mist is removed through the demisting layer, so that the flue gas purification and dust removal are completed. In the application, the roller and the rubber roller are always in a rotating state, so that the reduction of dust removal efficiency caused by the formation of a fixed airflow channel is prevented; the dust removing plate jolts up and down along with the rotation of the rubber roller, so that a fixed airflow channel is prevented from being formed, dust removing gas is enabled to contact with water (a film) to the maximum extent, and the dust removing efficiency is improved; in addition, this application can adapt to high temperature flue gas, and not fragile, is convenient for maintain.

In addition to the technical problems addressed by the present application, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, other technical problems solved by the present application, other technical features included in the technical solutions, and advantages brought by the technical features will be further described in detail below with reference to the accompanying drawings.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic structural diagram of a dust collector provided in an embodiment of the present application;

fig. 2 is a schematic structural view of a side sealing mechanism provided in an embodiment of the present application;

FIG. 3 is a schematic view of a rubber roller structure provided in the embodiment of the present application;

in the figure: 1. a housing; 2. a pool; 3. a demisting layer; 4. an air outlet; 5. an air inlet; 6. a rotating drum; 7. a partition plate; 8. a rubber roller; 9. a dust removal plate; 10. a sponge; 11. a dust removal through hole; 12. a spray head; 13. a water circulating pump; 14. a water pipe; 15. a sealing mechanism; 16. a mounting plate; 17. blocking cloth; 18. and a flat plate edge.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1, the present embodiment provides a dust remover, which includes a rectangular housing 1, and a water pool 2, a primary washing device, a water film dust removing device, a spraying device, and a demisting layer 3, which are sequentially disposed in the housing 1 from bottom to top; the top end of the shell is provided with an air outlet 4, and the lower part of the side wall is provided with an air inlet 5; the primary washing device comprises a rotary drum 6 which is horizontally arranged; the circumferential surface of the rotary drum 6 is surrounded by a reticular material or a sheet material with uniformly distributed meshes; a plurality of partition plates 7 are arranged in the rotary drum 6; the clapboards 7 are arranged along the radial direction, and the included angles between the adjacent clapboards 7 are the same; the lower half part of the rotating drum 6 is sunk below the water surface of the water pool 2; the air inlet 5 is opposite to the upper half part of the rotary drum 6; the water film dust removing device comprises a row of rotating rubber rollers 8 arranged above the primary washing device and at least two layers of dust removing plates 9 which are arranged above the rubber rollers 8 and are uniformly provided with meshes; the rotation directions of the adjacent rubber rollers 8 are opposite; a hollow cavity is arranged at the axle center of the rubber roller 8; the hollow cavity is filled with sponge 10; the rubber roller 8 is provided with a plurality of dust removal through holes 11 which are communicated with the surface and the hollow cavity; the spraying device comprises a spray head 12 arranged above the water film dust removing device; the spray head 12 is connected with the water pool 2 through a circulating water pump 13 and a water pipe 14; the demisting layer 3 is arranged between the spraying device and the air outlet 4.

The flue gas enters the upper half part of the rotary drum through the gas inlet, part of the flue gas is filtered out through the wall of the rotary drum, and part of the flue gas is filtered out through the wall of the rotary drum after being transferred to the water surface of the water pool along with the rotary drum; the flue gas is subjected to primary dust removal through the rotary drum and then rises to the rubber roll, water film dust removal is carried out at a water film position in the gap of the rubber roll, part of the flue gas enters the hollow cavity of the axis of the rubber roll from the dust removal through hole, and the flue gas is filtered through the sponge and then flows out through the dust removal through hole; the flue gas after secondary dust removal after passing through the rubber roll flows through the dust removal plate to be subjected to tertiary dust removal, then is subjected to quaternary dust removal through the water mist sprayed by the spray head, and finally is discharged from the gas outlet after the water mist is removed through the demisting layer, so that the flue gas purification and dust removal are completed. In the application, the roller and the rubber roller are always in a rotating state, so that the reduction of dust removal efficiency caused by the formation of a fixed airflow channel is prevented; the dust removing plate jolts up and down along with the rotation of the rubber roller, so that a fixed airflow channel is prevented from being formed, dust removing gas is enabled to contact with water (a film) to the maximum extent, and the dust removing efficiency is improved; in addition, this application can adapt to high temperature flue gas, and not fragile, is convenient for maintain.

In a preferred embodiment, the cross section of the dust-removing plate 9 is in a sharp-angled corrugated shape formed by connecting a plurality of semi-arcs in a row (namely, all the semi-arcs are in the same phase and are connected to an external tangent point); the semi-circular arc of the dust removing plate 9 at the lowest layer is circumscribed with the rubber roller 8. The dust removing plate jolts on the rubber roller but cannot move greatly, and abrasion can be reduced.

In a preferred embodiment, the sharp corners of two adjacent layers of dust-removing plates 9 are oppositely oriented, and the sharp corners are butted against the half-arc midpoints of the adjacent layers. The structure is more compact and more stable.

In a preferred embodiment, the two sides of the dust-removing plate 9 are provided with edge sealing mechanisms 15 for preventing the flue gas from directly passing through the two sides of the dust-removing plate.

Referring further to fig. 2, in a preferred embodiment, the edge banding mechanism 15 includes a support plate 16 having a right-angled U-shaped cross-section and a cloth 17 connected to the U-shaped opening of the support plate 16; the width of the baffle cloth 17 is larger than that of the U-shaped opening of the support plate 16; the two sides of the dust removing plate are propped against the blocking cloth 17. During the bumping motion of the dust removing plate, the two sides of the dust removing plate always abut against the blocking cloth, so that gas is prevented from directly passing through the two sides of the dust removing plate without third dust removal.

In a preferred embodiment, the patch 17 is an elastic cloth. Is not easy to damage.

In a preferred embodiment, two sides of the dust removing plate 9 are provided with flat plate eaves 18; the flat eaves 18 abut on the fabric 17.

In a preferred embodiment, the edges of the cross section of the flat eaves 18 are curved. Reducing wear on the patch 17.

With further reference to fig. 3, in a preferred embodiment, the dust-removing through holes 11 are spirally distributed on the rubber roller 8.

In a preferred embodiment, the end part of the rubber roller 8 extends out of the shell 1, and the extending part is provided with a gear which is meshed with the gear; all the rubber rollers 8 are jointly driven by the same motor. And energy is saved.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A dust remover is characterized by comprising a shell, and a water tank, a primary washing device, a water film dust removing device, a spraying device and a demisting layer which are arranged in the shell from bottom to top in sequence; the top end of the shell is provided with an air outlet, and the lower part of the side wall is provided with an air inlet; the primary washing device comprises a rotary drum which is horizontally arranged; the peripheral surface of the rotary drum is surrounded by a net-shaped material or a sheet-shaped material with uniformly distributed meshes; a plurality of partition plates are arranged in the rotary drum; the partition plates are arranged along the radial direction, and the included angles between the adjacent partition plates are the same; the lower half part of the rotating cylinder is sunk below the water surface of the water pool; the air inlet is opposite to the upper half part of the rotary drum; the water film dust removal device comprises a row of rotating rubber rollers arranged above the primary washing device and at least two layers of dust removal plates which are arranged above the rubber rollers and are uniformly provided with meshes; the rotating directions of the adjacent rubber rollers are opposite; a hollow cavity is arranged at the axis of the rubber roller; the hollow cavity is filled with sponge; the rubber roller is provided with a plurality of dust removal through holes which are communicated with the surface and the hollow cavity; the spraying device comprises a spray head erected above the water film dust removal device; the spray head is connected with the water pool through a circulating water pump and a water pipe; the demisting layer is arranged between the spraying device and the air outlet.

2. A precipitator in accordance with claim 1, wherein the cross-section of the precipitator plate is in a shape of a sharp-angled corrugation formed by connecting a plurality of semicircular arcs in a row; and the semi-circular arc of the dust removing plate at the lowermost layer is externally tangent to the rubber roller.

3. A precipitator in accordance with claim 2, wherein the sharp corners of adjacent layers of said dusting plates are oppositely oriented, and the sharp corners are located at the midpoints of the semi-circular arcs of adjacent layers.

4. The dust collector of claim 2, wherein two sides of the dust collecting plate are provided with edge sealing mechanisms for preventing flue gas from directly passing through the two sides of the dust collecting plate.

5. The dust collector of claim 4, wherein the edge sealing mechanism comprises a bracket plate with a right-angled U-shaped cross section and a blocking cloth connected to the U-shaped opening of the bracket plate; the width of the blocking cloth is larger than that of the U-shaped opening of the support plate; and two sides of the dust removing plate are abutted against the blocking cloth.

6. A precipitator in accordance with claim 5, wherein the cloth barrier is an elastic cloth.

7. A dust remover according to claim 5, wherein two sides of the dust removing plate are provided with flat plate eaves; the flat plate eaves abut against the blocking cloth.

8. A precipitator in accordance with claim 7, wherein the edge of the cross-section of the planar overhang is arcuate.

9. The duster of claim 1, wherein the dusting through holes are spirally distributed on the rubber roll.

10. A dust remover according to claim 1, wherein the end of the rubber roller extends out of the shell, and the extending part is provided with a gear which is engaged with the gear; all the rubber rollers are jointly driven by the same motor.