CN220648298U - Boiler flue gas treatment device - Google Patents

Abstract

The utility model relates to a boiler flue gas treatment device, which comprises a plurality of branch pipes, a main pipe and a flue gas treatment box, wherein the branch pipes are communicated with the main pipe, the top of the flue gas treatment box is provided with a discharge pipe, a baffle is arranged at the joint of the branch pipes and the main pipe, one end of the baffle, which is close to the tail part of the main pipe, is provided with an opening, and the tail part, which is far away from the main pipe, and the top of the baffle are sealed, so that flue gas can only flow into the main pipe from the opening end of the baffle, the discharge speed of the flue gas is controlled, and the heat loss is reduced; the bottom of the main pipe is communicated with a U-shaped bent pipe, the U-shaped bent pipe is communicated with the flue gas treatment box, the bottom of the U-shaped bent pipe is communicated with a drain pipe, and water drops in the main pipe are collected through the drain pipe, so that water is prevented from flowing back into the boiler to influence the combustion of fuel.

Description

Boiler flue gas treatment device

Technical Field

The utility model relates to the technical field of flue gas treatment, in particular to a boiler flue gas treatment device.

Background

The boiler is energy conversion equipment, the energy input to the boiler is chemical energy and electric energy in fuel, and the boiler outputs steam, high temperature water or organic heat carrier with certain heat energy; smoke is generated in the working process of the boiler, the smoke is usually discharged by means of devices such as pipelines, and heat loss is usually caused in the smoke discharge process; the traditional production relies on the direct-current pipeline to discharge the flue gas, and the flue gas can flow in two directions in the direct-current pipeline, so that the discharge of the flue gas can be accelerated, the heat loss is accelerated, and the energy waste is caused; and after the water vapor in the straight-flow pipeline is condensed, water drops formed on the inner wall of the pipeline can flow back into the boiler, so that the combustion of fuel in the boiler is affected.

Disclosure of Invention

The utility model aims to design a boiler flue gas treatment device to solve the technical problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the boiler flue gas treatment device comprises a plurality of branch pipes, a main pipe and a flue gas treatment box, wherein the branch pipes are communicated with a boiler, a baffle is arranged at the joint of each branch pipe and the main pipe, an opening is arranged at one end of each baffle, which is close to the tail part of the main pipe, and one end, which is far away from the tail part of the main pipe, of each baffle is sealed at the top of each baffle; the tail of the main pipe is communicated with a U-shaped bent pipe, the other end of the U-shaped bent pipe is communicated with the flue gas treatment box, a discharge pipe is arranged at the top of the flue gas treatment box, a drain pipe is communicated with the bottom of the U-shaped bent pipe, and a sealing cover is arranged at the bottom of the drain pipe.

Further, the baffle is detachably connected with the main pipe.

Further, the branch pipes are detachably connected with the main pipe through sleeves.

Further, the side wall of the drain pipe is provided with a liquid level observation area.

Further, a filter plate is arranged in the flue gas treatment box and is positioned above the air inlet of the flue gas treatment box; the top of filter is equipped with the rose box, the inside of rose box is equipped with slowly-releasing alkaline washing cigarette piece, the lateral wall intercommunication of flue gas treatment box has the air supply pipe.

Further, at least two air supply pipes are arranged, the two air supply pipes are respectively arranged on two sides of the flue gas treatment box, and a plurality of collecting pipes are transversely distributed on the two air supply pipes.

Further, the top of the filter box is connected with a heating ring.

Compared with the prior art, the utility model has the beneficial effects that: the baffle is arranged at the joint of the branch pipes and the main pipe, the end, close to the tail part of the main pipe, of the baffle is provided with the opening, and the tail part, far away from the main pipe, of the baffle is sealed, so that the flue gas can only flow into the main pipe from the opening end of the baffle, the discharge speed of the flue gas is controlled, and the heat loss is reduced; the bottom of the main pipe is communicated with a U-shaped bent pipe, the bottom of the U-shaped bent pipe is communicated with a drain pipe, and water drops in the main pipe are collected through the drain pipe, so that the water is prevented from flowing back into the boiler to influence the combustion of fuel.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

the names of the components marked in the figures are as follows: 1. a branch pipe; 2. a header pipe; 3. a flue gas treatment box; 4. a baffle; 5. an opening; 6. u-shaped bent pipe; 7. a discharge pipe; 8. a drain pipe; 9. sealing cover; 10. a filter plate; 11. a filter box; 12. an air supply pipe; 13. a manifold; 14. a heating ring; 15. a sleeve.

Detailed Description

The following description of the present utility model will be made more fully hereinafter with reference to the accompanying drawings, in which it is shown, however, some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1-2, a boiler flue gas treatment device comprises a plurality of branch pipes 1, a main pipe 2 and a flue gas treatment box 3 which are communicated with a boiler, wherein the plurality of branch pipes 1 are transversely distributed and are communicated with the main pipe 2, a baffle 4 is arranged at the joint of each branch pipe 1 and the main pipe 2, one end of the baffle 4 close to the tail of the main pipe 2 is provided with an opening 5, one end far away from the tail of the main pipe 2 and the top of the baffle are sealed, after flue gas flows out from the branch pipes 1, only the flue gas can flow into the main pipe 2 from the opening 5 end of the baffle 4, and in addition, the baffle 4 can prevent the flue gas from directly impacting the inner wall of the main pipe 2 when flowing into the main pipe 2 from the branch pipes 1, thereby damaging the main pipe 2; for facilitating replacement of the baffle 4, the baffle 4 may be detachably connected to the main pipe 2 by, but not limited to, bolts, and specifically, a through hole for placing the baffle 4 therein is provided at the bottom of the main pipe 2; in order to facilitate replacement of the branch pipes 1, the branch pipes 1 are detachably connected with the main pipe 2 through the sleeve 15, the large-diameter end of the sleeve 15 is sleeved on the outer wall of the main pipe 2, the branch pipes 1 are inserted from the small-diameter end of the sleeve 15, the inner wall of the sleeve 15 is attached to the outer walls of the branch pipes 1 and the main pipe 2, the joint of the branch pipes 1 and the main pipe 2 is sealed, and meanwhile, the sleeve 15 seals through holes in the main pipe 2; the tail part of the main pipe 2 is communicated with a U-shaped bent pipe 6, the bottom of the U-shaped bent pipe 6 is communicated with a drain pipe 8, the bottom of the drain pipe 8 is provided with a sealing cover 9, water drops in the main pipe 2 flow into the U-shaped bent pipe 6 along with air flow, the water drops are collected through the drain pipe 8, the side wall of the drain pipe 8 is provided with a liquid level observation area, and the liquid level observation area can facilitate workers to timely drain water in the drain pipe 8; the U-shaped bent pipe 6 is communicated with the flue gas treatment box 3, and the flue gas treatment box 3 is used for treating harmful gases in flue gas; specifically, a filter plate 10 is arranged in the flue gas treatment box 3, the filter plate 10 is positioned above an air inlet of the flue gas treatment box 3, the filter plate 10 is fixedly connected with the flue gas treatment box 3, and harmful particulate matters in the flue gas are filtered through the filter plate 10; a filter box 11 is arranged above the filter plate 10, a slow-release alkaline cleaning tobacco block is arranged in the filter box 11, toxic and harmful substances in the smoke are treated through the slow-release alkaline cleaning tobacco block in the filter box 11, and the slow-release alkaline cleaning tobacco block is the prior art and is not described in detail herein; the side wall of the flue gas treatment box 3 is communicated with an air supply pipe 12, and oxygen required by the flue gas treatment box 3 for treating harmful gas is provided through the air supply pipe 12; in order to ensure sufficient oxygen in the flue gas treatment box 3, at least two air supply pipes 12 are arranged, the two air supply pipes 12 are respectively arranged at two sides of the flue gas treatment box 3, a plurality of collecting pipes 13 are transversely distributed on the two air supply pipes 12, and air is uniformly introduced into the flue gas treatment box 3 through the collecting pipes 13; the top of rose box 11 is connected with heating ring 14, heats flue gas and air in the flue gas treatment case 3 through heating ring 14, provides the required heat of harmful gas reaction, and the top of flue gas treatment case 3 is equipped with discharge tube 7, discharges the flue gas after handling through discharge tube 7.

The working principle of the embodiment is as follows: when the boiler is used, the branch pipes 1 are communicated with the boiler, flue gas flows into the main pipe 2 from the branch pipes 1, flows into the flue gas treatment box 3 through the U-shaped bent pipe 6, and is finally discharged after being treated by the flue gas treatment box 3; under the effect of the baffle plate 4, the flue gas can only flow into the main pipe 2 from the opening 5 end of the baffle plate 4, so that the discharge speed of the flue gas is controlled, the heat loss is reduced, and the water is prevented from flowing back into the boiler to influence the combustion of fuel by the design of the U-shaped bent pipe 6 and the drain pipe 8 communicated with the bottom of the U-shaped bent pipe 6.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "upper," "lower," "left," "right," "front," "back," and the like are used herein for illustrative purposes only.

Claims (7)

1. A boiler flue gas treatment device, characterized in that: the boiler comprises a plurality of branch pipes (1), a main pipe (2) and a flue gas treatment box (3) which are communicated with a boiler, wherein the branch pipes (1) are communicated with the main pipe (2), a baffle plate (4) is arranged at the joint of the branch pipes (1) and the main pipe (2), an opening (5) is arranged at one end, close to the tail part of the main pipe (2), of the baffle plate (4), and one end, far away from the tail part of the main pipe (2), and the top of the baffle plate are sealed; the tail of the header pipe (2) is communicated with a U-shaped bent pipe (6), the other end of the U-shaped bent pipe (6) is communicated with the flue gas treatment box (3), a discharge pipe (7) is arranged at the top of the flue gas treatment box (3), a drain pipe (8) is communicated with the bottom of the U-shaped bent pipe (6), and a sealing cover (9) is arranged at the bottom of the drain pipe (8).

2. The boiler flue gas treatment device according to claim 1, wherein: the baffle (4) is detachably connected with the main pipe (2).

3. The boiler flue gas treatment device according to claim 1, wherein: the branch pipe (1) is detachably connected with the main pipe (2) through a sleeve (15).

4. The boiler flue gas treatment device according to claim 1, wherein: the side wall of the drain pipe (8) is provided with a liquid level observation area.

5. The boiler flue gas treatment device according to claim 1, wherein: a filter plate (10) is arranged in the flue gas treatment box (3), and the filter plate (10) is positioned above an air inlet of the flue gas treatment box (3); the top of filter (10) is equipped with rose box (11), the inside of rose box (11) is equipped with slowly-releasing alkaline cleaning cigarette piece, the lateral wall intercommunication of flue gas treatment case (3) has air supply pipe (12).

6. The boiler flue gas treatment device according to claim 5, wherein: the number of the air supply pipes (12) is at least two, the two air supply pipes (12) are respectively arranged at two sides of the flue gas treatment box (3), and a plurality of collecting pipes (13) are transversely distributed on the two air supply pipes (12).

7. The boiler flue gas treatment device according to claim 5, wherein: the top of the filter box (11) is connected with a heating ring (14).