CN215462982U

CN215462982U - Boiler mixes and burns tail gas cleanup unit

Info

Publication number: CN215462982U
Application number: CN202120454260.1U
Authority: CN
Inventors: 高峰
Original assignee: Shaanxi Xinyuan Jieneng Co ltd
Current assignee: Shaanxi Xinyuan Jieneng Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2022-01-11
Anticipated expiration: 2031-03-02

Abstract

The utility model discloses a boiler mixed combustion tail gas purification device which comprises an air inlet pipe, wherein the outer wall of the right side of the air inlet pipe is fixedly connected with a dust removal barrel, the inner wall of the bottom of the dust removal barrel is fixedly connected with a sealing strip, the inner side of the sealing strip is connected with a water receiving box in an attaching mode, the outer wall of the bottom of the water receiving box is connected with a threaded cylinder in a threaded mode, and a sieve plate is arranged on the inner wall of the water receiving box. This tail gas cleanup unit is mixed to boiler, at first will mix the inside that burns tail gas through the intake pipe suction dust removal bucket, simultaneously with the water of falling dust of inlet tube from the atomising head blowout, and then spray the dust fall to the tail gas that lets in, the water through the dust fall passes through the inside that the connecting pipe got into the adsorption tank, at first filter through the filter, tail gas after the filtration adsorbs through the adsorption plate again, tail gas after the final treatment is discharged from the outlet duct and is got into the desulfurization link, and then made things convenient for purifier's operation and use, and made things convenient for the processing of tail gas dust granule and internal pollutant, and then made things convenient for the purification treatment of tail gas.

Description

Boiler mixes and burns tail gas cleanup unit

Technical Field

The utility model relates to the technical field of co-combustion, in particular to a boiler co-combustion tail gas purification device.

Background

The blending combustion technology is that when coal is combusted in a boiler, a plurality of different types of coal with different properties are blended according to a certain proportion to complete the process of power generation, the basic principle is that the components of different coal types are utilized and blended according to requirements, so that the finally blended coal reaches or approaches the design coal type requirement of the boiler on performance indexes, although the use of the boiler in a blending combustion mode can reduce the generation of combustion tail gas, a small amount of tail gas still needs to be treated by using a purification device to meet the gas emission requirement, but the existing purification device has certain defects, such as:

1. the inconvenient use of operating of current purifier, tail gas after the coal burning is exactly the waste gas that the burning produced, and the main part is nitrogen gas, still contains carbon dioxide, oxygen, sulfur dioxide etc. sulfur dioxide in coal-fired power plant boiler tail gas generally needs desulfurization treatment, and then need carry out the purification treatment of different links to the gas that produces after the coal burning, and purifier that uses commonly used flow is comparatively complicated.

2. The current purifier is inconvenient to be cleared up purifier, when carrying out purifier's use, because the dust granule in the tail gas is more to at first need carry out the dust fall to tail gas and handle, nevertheless the inside condition that can produce the dust granule absorption of purifier when carrying out the dust fall and handling, and then need carry out the clearance of bucket wall, the degree of difficulty is great when nevertheless the purifier who commonly uses when clearing up.

In order to solve the above problems, innovative design based on the structure of the original purification device is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a boiler co-combustion tail gas purification device, which aims to solve the problems of inconvenient operation and use and inconvenient cleaning of the purification device in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a boiler mixed combustion tail gas purification device comprises an air inlet pipe, wherein the right side outer wall of the air inlet pipe is fixedly connected with a dedusting barrel, the bottom inner wall of the dedusting barrel is fixedly connected with a sealing strip, the inner side of the sealing strip is connected with a water receiving box in an attaching mode, the bottom outer wall of the water receiving box is connected with a threaded barrel in a threaded mode, the inner wall of the water receiving box is provided with a sieve plate, the bottom of the sieve plate is connected with a supporting block in an attaching mode, the top inner wall of the dedusting barrel is fixedly connected with a water inlet pipe, a branch pipe is fixedly arranged on the right side of the bottom of the water inlet pipe, an electric control valve is fixedly arranged on the outer wall of the water inlet pipe, a multidirectional cleaning head is arranged at the bottom of the electric control valve, a shunt pipe is fixedly connected with the bottom of the shunt pipe, an atomizing head is fixedly arranged on the bottom of the shunt pipe, a connecting pipe is fixedly arranged on the top inner wall of the dedusting barrel, and an adsorption box is fixedly arranged on the top outer wall of the connecting pipe, and the top inner wall fixedly connected with sealing washer of adsorption tank, the inner wall laminating of sealing washer is connected with sealed lid moreover, the top fixed mounting of adsorption tank has sealed the knot, and the inner wall both sides fixedly connected with cardboard of adsorption tank to the inner wall block of cardboard is connected with the filter, the inner wall both sides fixedly connected with limiting plate of adsorption tank, and the inner wall laminating of limiting plate is connected with the adsorption plate, and the left side inner wall fixed mounting of adsorption tank has the outlet duct.

Preferably, the top edge of the water receiving box is inclined in the front view, and the water receiving box is connected with the sieve plate in an attaching mode through the supporting block.

Preferably, the outer wall of the bottom of the water receiving box is provided with an external thread, the water receiving box is in threaded connection with the threaded cylinder through the external thread, and the top of the threaded cylinder is fixedly connected with the bottom of the dust removal barrel.

Preferably, the top end interface of the branch pipe is arranged at the top of the electric control valve, and the bottom end interface of the branch pipe is arranged at the bottom of the electric control valve at the bottom.

Preferably, the bottom of inlet tube and the top inner wall fixed connection of shunt tubes, and the atomising head equidistance sets up the bottom at the shunt tubes.

Preferably, the filter passes through the cardboard and is connected with the laminating of adsorption tank, and the adsorption plate passes through the limiting plate and is connected with the laminating of adsorption tank.

Compared with the prior art, the utility model has the beneficial effects that: the boiler co-combustion tail gas purification device;

1. the tail gas mixed with burning is sucked into the dust removal barrel through the air inlet pipe, dust falling water of the water inlet pipe is sprayed out of the spray head, the introduced tail gas is sprayed and subjected to dust removal, the dust falling water enters the adsorption box through the connecting pipe, the tail gas is filtered through the filter plate, the filtered tail gas is adsorbed through the adsorption plate, the finally treated tail gas is discharged from the air outlet pipe and enters a desulfurization link, the operation and the use of the purification device are facilitated, the treatment of tail gas dust particles and internal pollutants is facilitated, and the purification treatment of the tail gas is facilitated;

2. be provided with multidirectional cleaning head and cardboard, the setting up of tray makes the sieve can directly take out the clearance, when the inside of carrying out the dust removal bucket washs, open the automatically controlled valve, and then let in the water of inlet tube multidirectional cleaning head blowout, and then wash the bucket wall, open the back with sealed knot, directly take off sealed lid, and then directly take out the filter and adsorption plate and wash the change, and then made things convenient for and cleared up purifier, and avoided the difficult clear condition of purifier inside absorbent dust granule, purifier's the clearance degree of difficulty has been reduced.

Drawings

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

FIG. 2 is a schematic view of a top-down view of the shunt tube of the present invention;

FIG. 3 is a schematic view of a multi-directional cleaning head according to the present invention;

FIG. 4 is a schematic structural view of a water receiving box and a sieve plate according to the present invention;

fig. 5 is a schematic structural view of the chuck plate and the limiting plate of the present invention.

In the figure: 1. an air inlet pipe; 2. a dust removal barrel; 3. a sealing strip; 4. a water receiving box; 5. a threaded barrel; 6. a sieve plate; 7. a support block; 8. a water inlet pipe; 9. a branch pipe; 10. an electrically controlled valve; 11. a multi-directional cleaning head; 12. a shunt tube; 13. a spray head; 14. a connecting pipe; 15. an adsorption tank; 16. a seal ring; 17. a sealing cover; 18. sealing and buckling; 19. clamping a plate; 20. a filter plate; 21. a limiting plate; 22. an adsorption plate; 23. and an air outlet pipe.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a boiler mixed combustion tail gas purification device comprises an air inlet pipe 1, a dust removal barrel 2, a sealing strip 3, a water receiving box 4, a threaded cylinder 5, a sieve plate 6, a support block 7, a water inlet pipe 8, a branch pipe 9, an electric control valve 10, a multidirectional cleaning head 11, a shunt pipe 12, an atomizing head 13, a connecting pipe 14, an adsorption box 15, a sealing ring 16, a sealing cover 17, a sealing buckle 18, a clamping plate 19, a filtering plate 20, a limiting plate 21, an adsorption plate 22 and an air outlet pipe 23, wherein the outer wall of the right side of the air inlet pipe 1 is fixedly connected with the dust removal barrel 2, the inner wall of the bottom of the dust removal barrel 2 is fixedly connected with the sealing strip 3, the inner side of the sealing strip 3 is connected with the water receiving box 4 in an attaching mode, the outer wall of the bottom of the water receiving box 4 is connected with the threaded cylinder 5 in a threaded mode, the sieve plate 6 is arranged on the inner wall of the water receiving box 4, the support block 7 is connected in an attaching mode of the bottom of the sieve plate 6, the inner wall of the top of the dust removal barrel 2 is fixedly connected with the water inlet pipe 8, and the branch pipe 9 is fixedly installed on the right side of the bottom of the water inlet pipe 8, an electric control valve 10 is fixedly arranged on the outer wall of the water inlet pipe 8, a multi-directional cleaning head 11 is arranged at the bottom of the electric control valve 10, a shunt pipe 12 is fixedly connected at the bottom end of the water inlet pipe 8, and the bottom of the shunt pipe 12 is fixedly provided with a spray head 13, the inner wall of the top of the dust removing barrel 2 is fixedly provided with a connecting pipe 14, the outer wall of the top end of the connecting pipe 14 is fixedly provided with an adsorption box 15, a sealing ring 16 is fixedly connected with the inner wall of the top of the adsorption box 15, a sealing cover 17 is attached and connected with the inner wall of the sealing ring 16, a sealing buckle 18 is fixedly installed at the top of the adsorption box 15, clamping plates 19 are fixedly connected with the two sides of the inner wall of the adsorption box 15, the inner wall of the clamping plate 19 is clamped and connected with a filter plate 20, two sides of the inner wall of the adsorption box 15 are fixedly connected with limiting plates 21, and the inner wall laminating of limiting plate 21 is connected with adsorption plate 22 to the left side inner wall fixed mounting of adsorption tank 15 has outlet duct 23.

The top edge of the water receiving box 4 is inclined in the front view, and the water receiving box 4 is attached to and connected with the sieve plate 6 through the support block 7, so that the water after dust fall is conveniently collected into the water receiving box 4;

the outer wall of the bottom of the water receiving box 4 is provided with external threads, the water receiving box 4 is in threaded connection with the threaded cylinder 5 through the external threads, and the top of the threaded cylinder 5 is fixedly connected with the bottom of the dust removing barrel 2, so that the water receiving box 4 is convenient to mount and dismount;

the top end interface of the branch pipe 9 is arranged at the top of the electric control valve 10, and the bottom end interface of the branch pipe 9 is arranged at the bottom of the electric control valve 10 at the bottom, so that water in the water inlet pipe 8 can be conveniently introduced into the spray head 13 or the multidirectional cleaning head 11;

the bottom end of the water inlet pipe 8 is fixedly connected with the inner wall of the top of the shunt pipe 12, and the spray heads 13 are arranged at the bottom of the shunt pipe 12 at equal intervals, so that the tail gas is conveniently subjected to dust falling treatment;

the filter 20 is connected with the laminating of adsorption tank 15 through cardboard 19, and the adsorption plate 22 passes through limiting plate 21 and is connected with the laminating of adsorption tank 15, has made things convenient for filter 20 and adsorption plate 22 fixed.

The working principle is as follows: when the boiler mixed-combustion tail gas purification device is used, according to the figures 1, 2 and 4, firstly, mixed-combustion tail gas is sucked into the dust removal barrel 2 through the gas inlet pipe 1, meanwhile, dust reduction water is introduced into the water inlet pipe 8, when gas is sprayed and removed, 2 electric control valves 10 are simultaneously closed, then, water flows into the interior of the diversion pipe 12 from the branch pipe 9, and finally, the water is sprayed out from the spray head 13, the introduced tail gas is sprayed, dust in the tail gas is adsorbed and reduced by the sprayed water, then, the water enters the interior of the water receiving box 4 through the sieve plate 6, the water subjected to dust reduction enters the interior of the adsorption box 15 through the connecting pipe 14, and is firstly filtered through the filter plate 20, the filtered tail gas is adsorbed through the adsorption plate 22, and finally, the treated tail gas is discharged from the gas outlet pipe 23 and enters a desulfurization link;

according to fig. 1, fig. 3 and fig. 5, when the used purification device is cleaned, the water receiving box 4 at the bottom can be screwed with the threaded cylinder 5 through external threads, the water receiving box 4 is further screwed off, the sieve plate 6 can be directly taken out for cleaning due to the arrangement of the support block 7, when the interior of the dedusting barrel 2 is cleaned, the electric control valve 10 is opened, water of the water inlet pipe 8 is introduced into the multidirectional cleaning head 11 for spraying, the barrel wall is further cleaned, the sealing buckle 18 is opened, the sealing cover 17 is directly taken off, the filter plate 20 and the adsorption plate 22 are further directly taken out for cleaning and replacement, the sealing ring 16 increases the sealing between the sealing cover 17 and the adsorption box 15, the clamping plate 19 facilitates the fixation of the filter plate 20, and the limiting plate 21 facilitates the fixation of the adsorption plate 22.

Those not described in detail in this specification are within the skill of the art.

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

Claims

1. The utility model provides a boiler mixes and burns tail gas cleanup unit, includes intake pipe (1), its characterized in that: the dust removing device is characterized in that a dust removing barrel (2) is fixedly connected to the outer wall of the right side of the air inlet pipe (1), a sealing strip (3) is fixedly connected to the inner wall of the bottom of the dust removing barrel (2), a water receiving box (4) is connected to the inner side of the sealing strip (3) in an attaching mode, a threaded barrel (5) is connected to the outer wall of the bottom of the water receiving box (4) in a threaded mode, a sieve plate (6) is arranged on the inner wall of the water receiving box (4), a supporting block (7) is connected to the bottom of the sieve plate (6) in an attaching mode, a water inlet pipe (8) is fixedly connected to the inner wall of the top of the dust removing barrel (2), a branch pipe (9) is fixedly installed on the right side of the bottom of the water inlet pipe (8), an electric control valve (10) is fixedly installed on the outer wall of the water inlet pipe (8), a multidirectional cleaning head (11) is arranged at the bottom of the electric control valve (10), a shunt pipe (12) is fixedly connected to the bottom of the water inlet pipe (8), and an atomizing head (13) is fixedly installed on the bottom of the shunt pipe (12), the utility model discloses a dust removal bucket, including the top inner wall fixed mounting of dust removal bucket (2) have connecting pipe (14), and the top outer wall fixed mounting of connecting pipe (14) has adsorption tank (15) to the top inner wall fixedly connected with sealing washer (16) of adsorption tank (15), and the inner wall laminating of sealing washer (16) is connected with sealed lid (17), the top fixed mounting of adsorption tank (15) has sealed knot (18), and the inner wall both sides fixedly connected with cardboard (19) of adsorption tank (15), and the inner wall block of cardboard (19) is connected with filter (20), the inner wall both sides fixedly connected with limiting plate (21) of adsorption tank (15), and the inner wall laminating of limiting plate (21) is connected with adsorption plate (22), and the left side inner wall fixed mounting of adsorption tank (15) has outlet duct (23).

2. The boiler co-combustion tail gas purification device according to claim 1, characterized in that: the top edge of the water receiving box (4) is inclined in the front view, and the water receiving box (4) is attached to and connected with the sieve plate (6) through the support block (7).

3. The boiler co-combustion tail gas purification device according to claim 1, characterized in that: the outer wall of the bottom of the water receiving box (4) is provided with an external thread, the water receiving box (4) is in threaded connection with the threaded cylinder (5) through the external thread, and the top of the threaded cylinder (5) is fixedly connected with the bottom of the dust removing barrel (2).

4. The boiler co-combustion tail gas purification device according to claim 1, characterized in that: the top end interface of the branch pipe (9) is arranged at the top of the electric control valve (10), and the bottom end interface of the branch pipe (9) is arranged at the bottom of the electric control valve (10).

5. The boiler co-combustion tail gas purification device according to claim 1, characterized in that: the bottom of inlet tube (8) and the top inner wall fixed connection of shunt tubes (12), and atomising head (13) equidistance sets up the bottom at shunt tubes (12).

6. The boiler co-combustion tail gas purification device according to claim 1, characterized in that: the filter plate (20) is attached to and connected with the adsorption box (15) through a clamping plate (19), and the adsorption plate (22) is attached to and connected with the adsorption box (15) through a limiting plate (21).