CN220633476U

CN220633476U - Flue gas emission device of power plant boiler

Info

Publication number: CN220633476U
Application number: CN202321850472.7U
Authority: CN
Inventors: 武志云; 吴建军; 王伟
Original assignee: Fugu Haotian Coal Electricity Metallurgy And Chemical Co ltd
Current assignee: Fugu Haotian Coal Electricity Metallurgy And Chemical Co ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2024-03-22
Anticipated expiration: 2033-07-13

Abstract

The application provides a fume emission device of power plant's boiler relates to thermal power plant's boiler technical field, the power distribution box comprises a box body, the box top is provided with intake pipe and outlet duct respectively, including the baffle in the box, filter unit, collection subassembly, stirring subassembly and spray the subassembly, the bottom half is provided with the filtrate, filter unit is located the intake pipe end of giving vent to anger, collection subassembly is located the lateral wall of box, stirring subassembly is located the bottom half, spray the subassembly and be located the stirring subassembly top, the filter unit lower extreme is provided with the air duct, the end of giving vent to anger of air duct is located the bottom half, discharge power plant's flue gas to the intake pipe in, get rid of great dust granule through filter unit to the flue gas, and collect dust granule, later through the filter water is further to the fine dust in the gas adsorb the processing of making wet, spray the processing at the exhaust flue gas reaches emission standard at the in-process, improve environmental protection performance.

Description

Flue gas emission device of power plant boiler

Technical Field

The application relates to the technical field of boilers of thermal power plants, in particular to a flue gas emission device of a power plant boiler.

Background

The boiler is an energy conversion device, and the energy input to the boiler is chemical energy, electric energy in fuel, steam with certain heat energy output by the boiler, high temperature water or an organic heat carrier. The boiler is a water container heated on fire, the boiler is a place where fuel is burned, and the boiler comprises two parts of a boiler and a boiler. The hot water or steam generated in the boiler can directly provide heat energy required by industrial production and people living, and can also be converted into mechanical energy through a steam power device or converted into electric energy through a generator. The boiler for supplying hot water is called a hot water boiler, and is mainly used for life and has a small amount of application in industrial production. Steam generating boilers are called steam boilers, often referred to simply as boilers, and are used in many thermal power stations, ships, locomotives and industrial and mining enterprises.

At present, a great amount of flue gas is generated when the power plant boiler burns, and because a great amount of particulate matters and harmful gases are mixed in the flue gas, the direct discharge can pollute the environment, so that the flue gas discharge device of the power plant boiler is improved.

Disclosure of Invention

An object of the embodiment of the application is to provide a flue gas emission device of power plant boiler, it can solve the technical problem of the boiler flue gas emission standard of thermal power plant.

The embodiment of the application provides a flue gas emission device of a power plant boiler, which comprises a box body, wherein an air inlet pipe and an air outlet pipe are respectively arranged at the top of the box body, the box body comprises a partition plate, a filtering component, a collecting component, a stirring component and a spraying component, the bottom of the box body is provided with filtrate, the filtering component is positioned at the air outlet end of the air inlet pipe, the collecting component is positioned on the side wall of the box body, the stirring component is positioned at the bottom of the box body, and the spraying component is positioned above the stirring component;

the filter assembly lower extreme is provided with the air duct, the end of giving vent to anger of air duct is located the box bottom.

Further, the filter assembly comprises a filter plate and filter cotton, wherein the filter cotton is positioned below the filter plate.

Further, the collection assembly comprises a collection box, a blocking plate, a mounting frame and an air cylinder, wherein the collection box is communicated with the box body, the blocking plate penetrates through and slides in the middle of the collection box, the mounting frame is fixed on the side wall of the collection box, and the air cylinder drives the blocking plate to move.

Furthermore, the bottom of the collecting box is in a necking arrangement, and the discharging end of the collecting box is in threaded connection with an end cover.

Further, the stirring assembly comprises a stirring wheel and a driving motor, wherein the stirring wheel is rotatably arranged in the box body, and the stirring wheel is positioned at one side of the air outlet end of the air guide pipe.

Further, the spray assembly comprises a spray pipe and a water pump, wherein the spray pipe is fixedly arranged in the box body, one end of the water pump is communicated with the spray pipe, and the other end of the water pump is communicated with the bottom of the box body.

The utility model has the beneficial effects that:

according to the box body provided by the utility model, the flue gas of the power plant boiler is discharged into the air inlet pipe, larger dust particles are removed from the flue gas through the filtering component, the dust particles are collected, fine dust in the gas is further wetted and adsorbed through the filtered water, and finally, spraying treatment is carried out in the discharging process, so that the discharged flue gas reaches the discharge standard, and the environmental protection performance is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related 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 an embodiment of the present utility model;

fig. 2 is a schematic cross-sectional view of an embodiment of the present utility model.

The reference numerals are respectively:

1. a case; 11. an air inlet pipe; 12. an air outlet pipe; 13. a partition plate; 14. an air duct; 2. a filter assembly; 21. a filter plate; 22. filtering cotton; 3. a collection assembly; 31. a collection box; 32. a blocking plate; 33. a mounting frame; 34. a cylinder; 35. an end cap; 4. a stirring assembly; 41. a stirring wheel; 42. a driving motor; 5. a spray assembly; 51. a shower pipe; 52. and (3) a water pump.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships that are conventionally put in use of the product of the application, are merely for convenience of description of the present application and simplification of description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

The embodiment of the application discloses a flue gas emission device of a power plant boiler.

Referring to fig. 1-2, a flue gas emission device of a power plant boiler, which comprises a box body 1, the box body 1 top is provided with intake pipe 11 and outlet duct 12 respectively, including baffle 13 in the box body 1, filter unit 2, collect the subassembly 3, stirring subassembly 4 and spray the subassembly 5, the box body 1 bottom is provided with the filtrate, filter unit 2 is located intake pipe 11 and gives vent to anger the end, collect the subassembly 3 and be located the lateral wall of box body 1, stirring subassembly 4 is located the box body 1 bottom, spray the subassembly 5 and be located stirring subassembly 4 top, the filter unit 2 lower extreme is provided with air duct 14, the end of giving vent to anger of air duct 14 is located the box body 1 bottom, during the use, discharge the flue gas of power plant boiler into intake pipe 11, get rid of great dust granule through filter unit 2 to the flue gas, and collect the dust granule, afterwards spray the fine dust in the gas through the filter water and wet adsorption treatment, finally carry out the treatment in the discharge process, make the flue gas that discharges reach emission standard, improve environmental protection performance.

Referring to fig. 2, the filter assembly 2 includes a filter plate 21 and a filter cotton 22, the filter cotton 22 is located below the filter plate 21, the filter plate 21 can effectively filter larger particles in the gas, and the filter cotton 22 can effectively filter smaller dust particles in the gas, and when in use, the gas is filtered by the filter plate 21 and then filtered by the filter cotton 22.

Referring to fig. 1-2, the collecting assembly 3 comprises a collecting box 31, a blocking plate 32, a mounting frame 33 and an air cylinder 34, wherein the upper end of the collecting box 31 is communicated with the filter cotton 22 and the filter plate 21 in the box body 1, the blocking plate 32 penetrates through and slides in the middle of the collecting box 31, the mounting frame 33 is fixed on the side wall of the collecting box 31, the air cylinder 34 drives the blocking plate 32 to move, the bottom of the collecting box 31 is in a necking arrangement, and an end cover 35 is connected with the discharging end of the collecting box 31 in a threaded manner, in use, dust particles fall to the bottom of the collecting box 31 from the upper end of the collecting box 31 respectively, after the bottom aggregates to a certain amount, the blocking plate 32 is driven to move inwards by the driving air cylinder 34, after tightness is ensured, the dust particles are discharged from the bottom of the collecting box 31 by screwing the end cover 35, the blocking plate 32 is driven to move outwards, and the dust particles fall to the bottom of the collecting box 31 again, so that the dust particles are convenient to collect and discharge.

Referring to fig. 1-2, the stirring assembly 4 comprises a stirring wheel 41 and a driving motor 42, a plurality of blades are arranged on the stirring wheel 41, the stirring wheel 41 is rotatably arranged in the box body 1, the stirring wheel 41 is positioned on one side of the air outlet end of the air duct 14, when the stirring assembly is used, air is discharged from the air duct 14, the stirring wheel 41 is driven to rotate through the driving motor 42, so that the air discharged from the air duct 14 can be scattered by the stirring wheel 41, and dust particles which are not filtered cleanly in the air are further contacted with filtrate, so that dust is greatly reduced.

Referring to fig. 2, the spray assembly 5 includes a spray pipe 51 and a water pump 52, the spray pipe 51 is fixedly arranged in the box 1, one end of the water pump 52 is communicated with the spray pipe 51, the other end of the water pump 52 is communicated with the bottom of the box 1, when the spray assembly is used, gas is filtered by a filtrate and then is discharged upwards, the temperature of discharged gas can be effectively reduced by spraying through the spray pipe 51, and the dust content in the gas can be further reduced.

The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides a flue gas emission device of power plant boiler, includes the box, the box top is provided with intake pipe and outlet duct respectively, its characterized in that: the filter assembly is positioned at the air outlet end of the air inlet pipe, the collecting assembly is positioned on the side wall of the box body, the stirring assembly is positioned at the bottom of the box body, and the spraying assembly is positioned above the stirring assembly;

2. A flue gas discharge device for a utility boiler according to claim 1, wherein the filter assembly comprises a filter plate and filter cotton, the filter cotton being located below the filter plate.

3. The flue gas discharge device of a power plant boiler according to claim 1, wherein the collecting assembly comprises a collecting box, a blocking plate, a mounting frame and a cylinder, the collecting box is communicated with the box body, the blocking plate penetrates through and slides in the middle of the collecting box, the mounting frame is fixed on the side wall of the collecting box, and the cylinder drives the blocking plate to move.

4. A flue gas discharge device for a power plant boiler according to claim 3, wherein the bottom of the collecting box is arranged in a reduced mouth, and the discharge end of the collecting box is connected with an end cover in a threaded manner.

5. The flue gas discharge device of a power plant boiler according to claim 1, wherein the stirring assembly comprises a stirring wheel and a driving motor, the stirring wheel is rotatably installed in the box body, and the stirring wheel is located at one side of the air outlet end of the air guide pipe.

6. The flue gas discharge device of a power plant boiler according to claim 1, wherein the spray assembly comprises a spray pipe and a water pump, the spray pipe is fixedly arranged in the box body, one end of the water pump is communicated with the spray pipe, and the other end of the water pump is communicated with the bottom of the box body.