CN218774587U

CN218774587U - Flue gas denitration equipment

Info

Publication number: CN218774587U
Application number: CN202222226095.1U
Authority: CN
Inventors: 林培爱; 陈熹; 林超
Original assignee: FUJIAN SHENGDA TECHNOLOGY ENVIRONMENTAL PROTECTION EQUIPMENT CO LTD
Current assignee: FUJIAN SHENGDA TECHNOLOGY ENVIRONMENTAL PROTECTION EQUIPMENT CO LTD
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-03-31
Anticipated expiration: 2032-08-24

Abstract

The utility model relates to a denitration device technical field specifically is a flue gas denitration device, including the tower body, the tower body is equipped with the gas vent, tower body inner chamber is equipped with the installing support, the installing support is equipped with the cartridge filter, the ash hole has been seted up to the installing support, the tower body is connected with spray set, spray set is including a jar body, jar body coupling has the water pump, the water pump is connected with the conveyer pipe, the installing support coupling has the shower, and the shower uses the axis of cartridge filter to set up the outside at the cartridge filter as central ring array, the shower is linked together through hose and conveyer pipe, the shower lateral wall all is equipped with the nozzle, the installing support has been seted up and has been passed through the thru hole, the tower body is equipped with the fluid-discharge tube, the fluid-discharge tube is equipped with the control valve. The nozzle sprays the flue gas, thereby removing nitrogen oxides in the flue gas. Moreover, when spraying the flue gas, also can erode the cartridge filter to the problem of cartridge filter jam has been avoided. Through the mode, the problem that the filter cartridge is cleaned regularly manually is avoided.

Description

Flue gas denitration equipment

Technical Field

The utility model relates to a denitration device technical field specifically is a flue gas denitration device.

Background

Along with the development of science, the environmental protection receives more and more attention from human beings, and various industrial boiler export high temperature dust-laden flue gas need the denitration dust removal after can discharge to the atmosphere to reduce the pollution to the environment. The flue gas denitration refers to the process of reducing the generated nitrogen nutrient into N2 so as to remove the nitrogen nutrient in the flue gas, and can be divided into wet denitration and dry denitration according to the treatment process. The method mainly comprises the following steps: acid absorption, alkali absorption, selective catalytic reduction, non-selective catalytic reduction, adsorption, plasma activation, and the like.

For example, chinese patent application No. CN202022076881.9 discloses a denitration device for improving flue gas denitration effect, which comprises an equipment housing, wherein a fixing frame is fixedly installed at the bottom of the left side of the equipment housing. This improve denitrification facility of flue gas denitration effect, open the second motor, make the second extraction fan rotate, make the cigarette by the quick suction clarification plant inner chamber of intake pipe, the impurity of micropore filter and active carbon adsorption board through equipment shell inner chamber to the flue gas is handled totally, take out the top to first baffle by the flue gas after the second conveyer pipe will filter, then start the water pump, make the absorbent in the absorption liquid case take out, and spray the flue gas by the atomizing shower nozzle of water pipe and spray frame bottom, thereby adsorb harmful gas such as nitric oxide in the flue gas, and discharge by the blast pipe, whole purifying process is high-efficient very thoroughly, it is out of stock very good effect, make the user demand that satisfies people that equipment can be better.

However, the above patent still has problems, for example, in the patent, the flue gas is adsorbed by an activated carbon adsorption plate and a micro-porous filter plate. However, after long-term use, the activated carbon adsorption plate and the microporous filter plate are clogged, and the activated carbon adsorption plate and the microporous filter plate need to be cleaned manually and periodically.

Based on this, the utility model designs a flue gas denitration equipment to solve above-mentioned technical problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flue gas denitration device for solve above-mentioned technical problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flue gas denitration device, includes the tower body, the top of tower body is provided with the gas vent, the lateral wall of tower body is provided with the intake pipe, the inside of tower body is provided with the installing support, the top of installing support is provided with the cartridge filter, the ash hole has been seted up to the installing support, the one end of intake pipe extends to the cartridge filter inner chamber, the tower body is connected with spray set, spray set is including the jar body that is equipped with the denitrifier, the jar body is connected with the water pump, the water pump is connected with the conveyer pipe, the installing support is connected with the shower, just the shower uses the axis of cartridge filter to set up the outside at the cartridge filter as central ring array, the shower is linked together through hose and conveyer pipe, each the shower lateral wall all is provided with the nozzle that is used for spraying the cartridge filter, the installing support has seted up logical thru hole, the lower extreme of tower body is provided with the fluid-discharge tube, the fluid-discharge tube is provided with the control valve.

Preferably, the tower body is connected with and is used for making the shower to walk around and strain a section of thick bamboo axis pivoted pendulous device, pendulous device is including connecting the link in the shower upper end, the top of cartridge filter is provided with branch, the link rotates with branch to be connected, the link top is provided with the drive wheel, the axle center of drive wheel coincides mutually with the axle center of link, the drive wheel articulates there is the connecting rod, the outer wall of tower body is provided with the cylinder, the output of cylinder runs through the tower body lateral wall and is articulated with the connecting rod.

Preferably, the top of the mounting bracket is provided with a guide block, and the lower end of the spray pipe is connected with the guide block in a sliding manner.

Preferably, a demister is arranged on one side, close to the air outlet, of the inner cavity of the tower body.

Preferably, the upper end of the air inlet pipe is provided with a water retaining cover.

Compared with the prior art, the beneficial effects of the utility model are that: impurities contained in the flue gas are removed through the filter cartridge. Meanwhile, the water pump takes out the denitrifier from the tank body, and conveys the denitrifier to each spray pipe, and sprays flue gas through the nozzles arranged on the spray pipes, so that nitrogen oxides in the flue gas are removed. Moreover, when spraying the flue gas, also can erode the cartridge filter to the problem of cartridge filter jam has been avoided. Through the mode, the problem that the filter cartridge is cleaned regularly by workers is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a schematic view of the connection structure of the driving wheel, the connecting rod and the cylinder of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a tower body; 2. an exhaust port; 3. an air inlet pipe; 4. mounting a bracket; 5. a filter cartridge; 6. a dust falling port; 7. a tank body; 8. a water pump; 9. a delivery pipe; 10. a shower pipe; 11. a nozzle; 12. a through hole; 13. a liquid discharge pipe; 14. a control valve; 15. a connecting frame; 16. a strut; 17. a drive wheel; 18. a connecting rod; 19. a cylinder; 20. a guide block; 21. a demister; 22. a water retaining cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example (b):

referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a flue gas denitration device, including tower body 1, the top of tower body 1 is provided with gas vent 2, the lateral wall of tower body 1 is provided with intake pipe 3, the inside of tower body 1 is provided with installing support 4, installing support 4's top is provided with cartridge filter 5, ash hole 6 has been seted up to installing support 4, the one end of intake pipe 3 extends to cartridge filter 5 inner chamber, tower body 1 is connected with spray set, spray set is including the jar body 7 that is equipped with the denitrifier, jar body 7 is connected with water pump 8, water pump 8 is connected with conveyer pipe 9, installing support 4 is connected with shower 10, and shower 10 uses cartridge filter 5's axis to set up the outside at cartridge filter 5 as central ring array, shower 10 is linked together through hose and conveyer pipe 9, each shower 10 lateral walls all is provided with the nozzle 11 that is used for spraying cartridge filter 5, mounting support 4 has seted up logical thru hole 12, the lower extreme of tower body 1 is provided with fluid-discharge tube 13, fluid-discharge tube 13 is provided with control valve 14.

Specifically, the tower body 1 is connected with a swing device which is used for enabling the spray pipe 10 to rotate around the axis of the filter cylinder 5, the swing device comprises a connecting frame 15 connected to the upper end of the spray pipe 10, a supporting rod 16 is arranged at the top of the filter cylinder 5, the connecting frame 15 is rotatably connected with the supporting rod 16, a driving wheel 17 is arranged at the top of the connecting frame 15, the axis of the driving wheel 17 coincides with the axis of the connecting frame 15, the driving wheel 17 is hinged with a connecting rod 18, an air cylinder 19 is arranged on the outer wall of the tower body 1, and the output end of the air cylinder 19 penetrates through the side wall of the tower body 1 and is hinged with the connecting rod 18. The extending or retracting of the output end of the cylinder drives the connecting rod to swing, and further drives the driving wheel to rotate in a reciprocating mode, so that the spraying pipe is driven to rotate in a reciprocating mode around the axis of the filter cylinder, and the spraying effect is improved.

Specifically, the top of the mounting bracket 4 is provided with a guide block 20, and the lower end of the shower pipe 10 is slidably connected with the guide block 20. The lower end of the spray pipe is guided by arranging the guide block.

Specifically, a demister 21 is arranged on one side of the inner cavity of the tower body 1 close to the exhaust port 2. Absorb through the denitrifier that is mingled with in the defroster flue gas, prevent that the flue gas of following exhaust in the tower body from containing the problem of denitrifier.

Specifically, the upper end of the air inlet pipe 3 is provided with a water blocking cover 22. The water retaining cover is fixed at the exhaust end of the air inlet pipe through the supporting rod, the outer diameter of the water retaining cover is larger than the diameter of the air inlet pipe, and a channel for smoke to pass through is reserved between the lower edge of the water retaining cover and the exhaust pipe. The water blocking cover is arranged to prevent the desulfurizer from dropping into the air inlet pipe.

One specific application of this embodiment is: the flue gas that the boiler produced is introduced into the cavity of cartridge filter through the intake pipe. Impurities contained in the flue gas are removed through the filter cartridge. Meanwhile, the water pump takes out the denitrifier from the tank body, and conveys the denitrifier to each spray pipe, and the flue gas is sprayed through the nozzles arranged on the spray pipes, so that nitrogen oxides in the flue gas are removed. Moreover, when spraying the flue gas, also can erode the cartridge filter to the problem of cartridge filter jam has been avoided. The impurities are mixed with the sprayed denitration agent and enter the lower end of the tower body from the ash falling port. When spraying, reciprocating type stretching out and retracting of cylinder output end, and then drive the connecting rod swing, and then drive the reciprocating type rotation of drive wheel to drive the shower and walk around the reciprocating type rotation of axle center of straining a section of thick bamboo, with the effect that improves and spray. And opening the control valve periodically to discharge the denitrifying agent and impurities in the tower body.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a flue gas denitration equipment, including tower body (1), the top of tower body (1) is provided with gas vent (2), the lateral wall of tower body (1) is provided with intake pipe (3), its characterized in that: the denitration device is characterized in that a mounting support (4) is arranged inside the tower body (1), a filter cartridge (5) is arranged at the top of the mounting support (4), an ash falling port (6) is formed in the mounting support (4), one end of the air inlet pipe (3) extends to the inner cavity of the filter cartridge (5), the tower body (1) is connected with a spraying device, the spraying device comprises a tank body (7) filled with a denitration agent, the tank body (7) is connected with a water pump (8), the water pump (8) is connected with a conveying pipe (9), the mounting support (4) is connected with a spraying pipe (10), the spraying pipe (10) is arranged on the outer side of the filter cartridge (5) by taking the axis of the filter cartridge (5) as a central annular array, the spraying pipe (10) is communicated with the conveying pipe (9) through a hose, each spraying pipe (10) side wall is provided with a nozzle (11) used for spraying the filter cartridge (5), a through pipe (12) is formed in the mounting support (4), a liquid discharge pipe (13) is arranged at the lower end of the tower body (1), and a control valve (14) is arranged on the through hole (13).

2. The flue gas denitration device of claim 1, which is characterized in that: tower body (1) is connected with and is used for making shower (10) to walk around and strain a section of thick bamboo (5) axis pivoted pendulous device, pendulous device is including connecting link (15) in shower (10) upper end, the top of cartridge filter (5) is provided with branch (16), link (15) rotate with branch (16) and are connected, link (15) top is provided with drive wheel (17), the axle center of drive wheel (17) coincides mutually with the axle center of link (15), drive wheel (17) articulate connecting rod (18), the outer wall of tower body (1) is provided with cylinder (19), the output of cylinder (19) runs through tower body (1) lateral wall and articulates with connecting rod (18).

3. The flue gas denitration device of claim 2, characterized in that: the top of the mounting bracket (4) is provided with a guide block (20), and the lower end of the spray pipe (10) is connected with the guide block (20) in a sliding manner.

4. The flue gas denitration device of claim 1, which is characterized in that: and a demister (21) is arranged on one side of the inner cavity of the tower body (1) close to the exhaust port (2).

5. The flue gas denitration device of claim 1, characterized in that: and a water retaining cover (22) is arranged at the upper end of the air inlet pipe (3).