CN210993746U

CN210993746U - Flue gas dust removal device with SOx/NOx control function

Info

Publication number: CN210993746U
Application number: CN201921844681.4U
Authority: CN
Inventors: 徐小燕
Original assignee: Shanxi Yichen Environmental Protection Technology Co Ltd
Current assignee: Shanxi Yichen Environmental Protection Technology Co Ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-07-14
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a flue gas dust collector with SOx/NOx control function, including desulfurization case and denitration case, one side outer wall of desulfurization case is equipped with the mount, and the top outer wall of mount is equipped with the motor, the output shaft of motor is fixed with the screening bucket through the shaft coupling, and the top outer wall that the desulfurization case is located the screening bucket opens there is the charge cavity, one side outer wall that the desulfurization case is close to the bottom has the intake pipe through flange joint, and the outer wall of intake pipe has the admission valve through flange joint, the top outer wall of desulfurization case is equipped with the air pump, and the gas transmission end of air pump passes through pipe connection in one side outer wall of denitration case. The utility model discloses a be provided with the screening subassembly, when carrying out the interpolation of sodium bicarbonate powder, filter sodium bicarbonate powder through the screening subassembly to guarantee that the sodium bicarbonate powder that gets into in the desulfurization case can both realize its full value, reduce sodium bicarbonate's consumption, improve desulfurization effect, resources are saved.

Description

Flue gas dust removal device with SOx/NOx control function

Technical Field

The utility model relates to a flue gas dust removal technical field especially relates to a flue gas dust collector with SOx/NOx control function.

Background

The flue gas is a mixture of gas and smoke dust and is a main reason for polluting the atmosphere of residential areas; the components of the flue gas are complex, the gas comprises water vapor, sulfur dioxide, nitrogen, oxygen, carbon monoxide, carbon dioxide, hydrocarbons, nitrogen oxides and the like, the smoke dust comprises ash, coal particles, oil drops, high-temperature cracking products and the like of the fuel, and the flue gas needs to be subjected to dust removal treatment to avoid polluting the atmosphere.

The existing flue gas dust removal device has the following defects: need use sodium bicarbonate solid powder when carrying out the desulfurization of flue gas, sodium bicarbonate need smash it before the use, but the solid powder after smashing can not both satisfy the desulfurization demand, and the great sodium bicarbonate desulfurization effect of solid powder is relatively poor, and this just leads to sodium bicarbonate to consume great, the extravagant resource.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a flue gas dust removal device with desulfurization and denitrification functions.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a flue gas dust collector with SOx/NOx control function, includes desulfurization case and takes off the round pin case, one side outer wall of desulfurization case is equipped with the mount, and the top outer wall of mount is equipped with the motor, the output shaft of motor is fixed with the screening bucket through the shaft coupling, and the top outer wall that the desulfurization case is located the screening bucket opens there is the charge door.

Furthermore, the outer wall of one side of the desulfurization box, which is close to the bottom end, is connected with an air inlet pipe through a flange, and the outer wall of the air inlet pipe is connected with an air inlet valve through a flange.

Furthermore, the outer wall of the top of the desulfurization box is provided with an air pump, and the air delivery end of the air pump is connected to the inner wall of one side of the denitration box through a pipeline.

Furthermore, the outer wall of one side of the pin removal box close to the bottom end is connected with a liquid discharge pipe through a flange, and the outer wall of the liquid discharge pipe is connected with a liquid discharge valve through a flange.

Furthermore, the outer wall of one side of the pin removal box above the liquid discharge pipe is connected with a liquid inlet pipe through a flange, and the outer wall of the liquid inlet pipe is connected with a liquid inlet valve through a flange.

Furthermore, the inner walls of the two sides of the pin removing box are provided with two activated carbon adsorption layers, the outer wall of the top of the pin removing box is connected with an emptying pipe through a flange, and the outer wall of the emptying pipe is connected with an emptying valve through a flange.

Furthermore, the inner walls of the two sides of the pin removing box are provided with the same calcium oxide absorption layer.

The utility model has the advantages that:

1. the screening component is arranged, so that when sodium bicarbonate powder is added, the screening component screens the sodium bicarbonate powder, so that the sodium bicarbonate powder entering the desulfurization box can realize the whole value, the consumption of the sodium bicarbonate is reduced, the desulfurization effect is improved, and the resources are saved;

2. by arranging the desulfurization box and the denitration box, the desulfurization and the denitration of the flue gas are separated when the flue gas is treated, so that the reaction between the articles required by desulfurization and the articles required by denitration is avoided when the desulfurization and the denitration are carried out, and the normal operation of the desulfurization and the denitration of the flue gas is ensured;

3. through being provided with the calcium oxide absorbed layer, after the SOx/NOx control was finished, the alkaline liquid absorption that carries in with the flue gas of calcium oxide absorbed layer avoided it to bring alkaline liquid into the atmosphere, avoided it to pollute the atmosphere, improved the device's environmental protection performance.

Drawings

FIG. 1 is a schematic structural diagram of a flue gas dust removal device with desulfurization and denitrification functions as set forth in example 1;

FIG. 2 is a schematic view of a screening assembly of a flue gas dust removal device with desulfurization and denitrification functions provided by the utility model;

fig. 3 is a schematic structural diagram of a flue gas dust removal device with desulfurization and denitrification functions as provided in embodiment 2.

In the figure: 1-a desulfurization box, 2-a feed hole, 3-a screening barrel, 4-an air pump, 5-a denitration box, 6-an emptying pipe, 7-an emptying valve, 8-an activated carbon adsorption layer, 9-a liquid inlet valve, 10-a liquid inlet pipe, 11-a liquid discharge valve, 12-a liquid discharge pipe, 13-an air inlet pipe, 14-an air inlet valve, 15-a fixing frame, 16-a motor and 17-a calcium oxide absorption layer.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a flue gas dust collector with SOx/NOx control function, including desulfurization box 1 and denitration case 5, one side outer wall of desulfurization box 1 has mount 15 through the fix with screw, and the top outer wall of mount 15 has motor 16 through the fix with screw, motor 16's output shaft is fixed with screening bucket 3 through the shaft coupling, and desulfurization box 1 is located the top outer wall of screening bucket 3 and opens there is charge cavity 2, when adding of sodium bicarbonate powder, filter sodium bicarbonate powder through the screening subassembly, thereby guarantee to get into sodium bicarbonate powder in desulfurization box 1 and can both realize its full value, reduce sodium bicarbonate's consumption, improve desulfurization effect, resources are saved.

Wherein, the outer wall of one side that desulfurization case 1 is close to the bottom has intake pipe 13 through flange joint, and intake pipe 13's outer wall has admission valve 14 through flange joint.

Wherein, the top outer wall of desulfurization case 1 is fixed with air pump 4 through the screw, and the gas transmission end of air pump 4 passes through pipe connection in the one side inner wall of denitration case 5.

Wherein, the outer wall of one side of the pin removal box 5 close to the bottom end is connected with a liquid discharge pipe 12 through a flange, and the outer wall of the liquid discharge pipe 12 is connected with a liquid discharge valve 11 through a flange.

Wherein, the outer wall of one side of the pin removal box 5 above the liquid discharge pipe 12 is connected with a liquid inlet pipe 10 through a flange, and the outer wall of the liquid inlet pipe 10 is connected with a liquid inlet valve 9 through a flange.

Wherein, the both sides inner wall of taking off round pin case 5 has two active carbon adsorption layers 8 through the fix with screw, and takes off the top outer wall of round pin case 5 and has evacuation pipe 6 through flange joint, and evacuation pipe 6's outer wall has blowoff valve 7 through flange joint.

The working principle is as follows: carry out the processing of flue gas before, add sodium bicarbonate through charge door 2 in to screening bucket 3, starter motor 16, motor 16 drives screening bucket 3 and rotates, thereby accomplish the screening of sodium bicarbonate powder, after the screening, cover the case lid on charge door 2, then let in the flue gas through intake pipe 13 in to desulfurization box 1, sodium bicarbonate powder in desulfurization box 1 threshes the processing to the flue gas, and simultaneously, gas pump 4 is in with flue gas suction denitration case 5 after the desulfurization, alkaline liquid carries out denitration treatment to it, after the denitration, the flue gas is successively through two-layer active carbon adsorption layer 8, accomplish the dust and adsorb, open blowoff valve 7 then, gas is arranged to the atmosphere through evacuation pipe 6.

Example 2

Referring to fig. 2-3, compared with example 1, the flue gas dust removal device with desulfurization and denitration functions has the advantages that the same calcium oxide absorption layer 17 is fixed on the inner walls of the two sides of the denitration box 5 through screws, and after desulfurization and denitration are finished, the calcium oxide absorption layer 17 absorbs alkaline liquid carried in flue gas, so that the alkaline liquid is prevented from being brought into the atmosphere, the atmosphere is prevented from being polluted, and the environmental protection performance of the device is improved.

The working principle is as follows: before carrying out the processing of flue gas, add sodium bicarbonate through charge door 2 in to screening bucket 3, starter motor 16, motor 16 drives screening bucket 3 and rotates, thereby accomplish the screening of sodium bicarbonate powder, after the screening, cover the case lid on charge door 2, then let in the flue gas through intake pipe 13 in to desulfurization case 1, sodium bicarbonate powder in desulfurization case 1 threshes the processing to the flue gas, and simultaneously, gas pump 4 is in with flue gas suction denitration case 5 after the desulfurization, alkaline liquid carries out denitration treatment to it, after the denitration, the flue gas is at first through calcium oxide absorbed layer 17, calcium oxide absorbed layer 17 absorbs the liquid that carries in the flue gas, then the flue gas is successively through two-layer active carbon adsorption layer 8, accomplish the dust absorption, then open blowoff valve 7, gas is discharged to the atmosphere through evacuation pipe 6.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a flue gas dust collector with SOx/NOx control function, includes desulfurization case (1) and knock-off box (5), its characterized in that, one side outer wall of desulfurization case (1) is equipped with mount (15), and the top outer wall of mount (15) is equipped with motor (16), the output shaft of motor (16) is fixed with screening bucket (3) through the shaft coupling, and the top outer wall that desulfurization case (1) is located screening bucket (3) opens there is charge cavity (2).

2. The flue gas dust removal device with desulfurization and denitrification functions as claimed in claim 1, wherein an air inlet pipe (13) is connected to the outer wall of one side, close to the bottom end, of the desulfurization box (1) through a flange, and an air inlet valve (14) is connected to the outer wall of the air inlet pipe (13) through a flange.

3. The flue gas dust removal device with desulfurization and denitrification functions as claimed in claim 1, wherein an air pump (4) is arranged on the outer wall of the top of the desulfurization box (1), and the air delivery end of the air pump (4) is connected to the inner wall of one side of the denitration box (5) through a pipeline.

4. The flue gas dust removal device with desulfurization and denitrification functions as claimed in claim 1, wherein the outer wall of the side, close to the bottom end, of the denitration box (5) is connected with a liquid discharge pipe (12) through a flange, and the outer wall of the liquid discharge pipe (12) is connected with a liquid discharge valve (11) through a flange.

5. The flue gas dust removal device with desulfurization and denitrification functions as claimed in claim 4, wherein the outer wall of one side of the denitration box (5) above the liquid discharge pipe (12) is connected with a liquid inlet pipe (10) through a flange, and the outer wall of the liquid inlet pipe (10) is connected with a liquid inlet valve (9) through a flange.

6. The flue gas dust removal device with the functions of desulfurization and denitrification as claimed in claim 5, wherein two activated carbon adsorption layers (8) are arranged on the inner walls of the two sides of the denitration box (5), the outer wall of the top of the denitration box (5) is connected with an emptying pipe (6) through a flange, and the outer wall of the emptying pipe (6) is connected with an emptying valve (7) through a flange.

7. The flue gas dust removal device with the functions of desulfurization and denitrification as claimed in any one of claims 1-6, wherein the inner walls of the two sides of the denitration box (5) are provided with the same calcium oxide absorption layer (17).