CN218924164U

CN218924164U - High-efficiency energy-saving denitration device

Info

Publication number: CN218924164U
Application number: CN202223168256.2U
Authority: CN
Inventors: 叶勇军; 李炜; 张黎; 毛伟
Original assignee: Zhejiang Hengding Environmental Protection Technology Co ltd
Current assignee: Zhejiang Hengding Environmental Protection Technology Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-04-28
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses a high-efficiency energy-saving denitration device which comprises a reaction box, wherein the upper end of the front side of the reaction box is fixedly connected with an air inlet pipe, the air inlet pipe is fixedly connected with an exhaust fan, the rear end of the air inlet pipe is connected to the inner bottom end of the reaction box, the front end of the air inlet pipe is fixedly connected with a shunt pipe, and the two sides of the lower end of the shunt pipe are respectively and fixedly connected with a first connecting pipe. According to the utility model, when the filter assembly is replaced, the denitration operation is not required to be stopped, only the first valve and the second valve which are corresponding up and down are required to be closed, so that the corresponding first connecting pipe and the corresponding second connecting pipe can be closed, the corresponding electric telescopic rod is started again to drive the corresponding fixing ring to descend, the filter assembly can be separated from the support frame, at the moment, a worker can conveniently take down the filter assembly, the filter element is replaced, the filter element can be replaced at any time without stopping the replacement of the filter element, and the working efficiency is not reduced.

Description

High-efficiency energy-saving denitration device

Technical Field

The utility model relates to the technical field of denitration devices, in particular to a high-efficiency energy-saving denitration device.

Background

Nitrogen oxides are one of the main sources of air pollution, and due to the limitation of low-nitrogen combustion technology in boilers, the flue gas after combustion must be subjected to denitration treatment.

The utility model discloses a novel efficient energy-saving flue gas denitration device, which belongs to the technical field of flue gas denitration equipment and comprises a boiler, a box body is arranged on the right side of the boiler, a reaction furnace is arranged in the box body, a second air duct is inserted on the right side of the reaction furnace, an SCR (selective catalytic reduction) reactor is inserted on the right side of the second air duct, NH3 is placed in the SCR reactor, a first air duct is inserted at the top of the SCR reactor, a smoke suction port is inserted at the top of the boiler, a threaded pipe is welded on the first pipe, a second pipe is arranged at the top of the first pipe, and a pipe hoop is welded at the bottom of the second pipe.

Above-mentioned denitrification facility is when changing the filter screen, need stop denitration work after, carries out work, can reduce work efficiency.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a high-efficiency energy-saving denitration device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a high-efficient energy-conserving denitrification facility, includes the reaction tank, the front side upper end fixedly connected with intake pipe of reaction tank, fixedly connected with air exhauster in the intake pipe, the rear end of intake pipe is connected to the inside bottom of reaction tank, the front end fixedly connected with shunt tubes of intake pipe, the lower extreme both sides of shunt tubes are fixedly connected with first connecting pipe respectively, the lower extreme fixedly connected with mount of first connecting pipe, the lower extreme both sides of mount all are provided with solid fixed ring, the inboard of solid fixed ring is all fixedly connected with fixed block, the equal fixedly connected with electric telescopic handle of upper end both sides of mount, electric telescopic handle's output respectively with the upper end fixed connection of corresponding fixed block, all be provided with filter equipment between solid fixed ring's upper end and the mount, gu the equal fixedly connected with flexible pipe of solid fixed ring, the below of flexible pipe is provided with the inlet box.

Further, the upper end fixedly connected with outlet duct of reaction box, the inside fixedly connected with of reaction box has a plurality of otter boards.

Further, the first valves are fixedly connected to the first connecting pipes, the second connecting pipes are fixedly connected to two sides of the upper end of the air inlet box, and the upper ends of the second connecting pipes are fixedly connected with the lower ends of the corresponding telescopic pipes respectively.

Further, the second connecting pipes are fixedly connected with second valves, and the middle position of the front end of the air inlet box is fixedly connected with a third connecting pipe.

Further, the filter component comprises a mounting tube, a filter element is arranged in the mounting tube, and sealing rings are fixedly connected to the upper end and the lower end of the outer side of the mounting tube.

The utility model has the beneficial effects that:

when the high-efficiency energy-saving denitration device is used, when the filter assembly is replaced, the denitration operation is not required to be stopped, only the first valve and the second valve which are corresponding up and down are required to be closed, so that the corresponding first connecting pipe and the corresponding second connecting pipe can be closed, the corresponding electric telescopic rod is started to drive the corresponding fixing ring to descend, the filter assembly can be separated from the support frame, at the moment, a worker can conveniently take down the filter assembly to replace the filter element, the filter element can be replaced at any time without stopping the operation, and the working efficiency is not reduced.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description of the specific embodiments will be briefly described below, it being obvious that the drawings in the following description are only some examples of the present 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: a front view of the present utility model;

fig. 2: the filter assembly mounting structure of the utility model is schematically shown;

fig. 3: the working principle diagram of the shell of the utility model;

fig. 4: the structure of the filtering component is schematically shown;

fig. 5: the internal structure of the reaction box is schematically shown.

The reference numerals are as follows:

1. a reaction box; 2. an air inlet pipe; 3. an air outlet pipe; 4. an exhaust fan; 5. a shunt; 6. a first connection pipe; 7. a fixing frame; 8. a first valve; 9. an electric telescopic rod; 10. a fixing ring; 11. a filter assembly; 12. a telescopic tube; 13. a fixed block; 14. a second connection pipe; 15. a second valve; 16. an air inlet box; 17. a third connection pipe; 18. installing a pipe; 19. a filter element; 20. a seal ring; 21. a screen plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

As shown in fig. 1-5, relate to a high-efficient energy-conserving denitrification facility, including reaction tank 1, the front side upper end fixedly connected with intake pipe 2 of reaction tank 1, fixedly connected with air exhauster 4 on the intake pipe 2, the rear end of intake pipe 2 is connected to the inside bottom of reaction tank 1, the front end fixedly connected with shunt tubes 5 of intake pipe 2, the lower extreme both sides of shunt tubes 5 are fixedly connected with first connecting pipe 6 respectively, the lower extreme fixedly connected with mount 7 of first connecting pipe 6, the lower extreme both sides of mount 7 all are provided with solid fixed ring 10, the inboard of solid fixed ring 10 all is fixedly connected with fixed block 13, the upper end both sides of mount 7 all are fixedly connected with electric telescopic rod 9, the output of electric telescopic rod 9 respectively with the upper end fixed connection of corresponding fixed block 13, all be provided with filter assembly 11 between the upper end of solid fixed ring 10 and the mount 7, the lower extreme of solid fixed ring 10 all is fixedly connected with flexible pipe 12, the below of flexible pipe 12 is provided with inlet box 16.

As shown in fig. 1-5, the upper end of the reaction box 1 is fixedly connected with an air outlet pipe 3, the inside of the reaction box 1 is fixedly connected with a plurality of screen plates 21, the reaction box 1 is internally provided with a reaction liquid, the height of the reaction liquid exceeds that of the screen plate 21 at the uppermost end, the reaction liquid can react with flue gas to perform denitration, and the screen plates 21 can slow down the moving speed of the flue gas, so that the flue gas can be fully contacted with the reaction liquid.

As shown in fig. 1-5, the first connecting pipes 6 are fixedly connected with first valves 8, two sides of the upper end of the air inlet box 16 are fixedly connected with second connecting pipes 14, the upper ends of the second connecting pipes 14 are fixedly connected with the lower ends of the corresponding telescopic pipes 12 respectively, the second connecting pipes 14 are fixedly connected with second valves 15, the middle positions of the front ends of the air inlet box 16 are fixedly connected with third connecting pipes 17, and the arranged first valves 8 and second valves 15 can respectively control the opening and closing of the corresponding first connecting pipes 6 and the corresponding second connecting pipes 14.

As shown in fig. 1-5, the filter assembly 11 comprises a mounting tube 18, a filter element 19 is arranged in the mounting tube 18, sealing rings 20 are fixedly connected to the upper end and the lower end of the outer side of the mounting tube 18, the arranged filter element 19 can filter dust in smoke, and the arranged sealing rings 20 can improve the tightness between the mounting tube 18 and the fixing ring 10 and the fixing frame 7.

Working principle: when the electric heating boiler is used, the third connecting pipe 17 is connected with the smoke outlet of the boiler, the exhaust fan 4 is started, smoke enters the air inlet box 16 through the third connecting pipe 17, then enters the filter assembly 11 through the second connecting pipe 14 and the telescopic pipe 12, enters the first connecting pipe 6 after being filtered through the filter element 19, finally enters the bottom end of the reaction box 1 through the shunt pipe 5 and the air inlet pipe 2, reaction liquid is contained in the reaction box 1, the height of the reaction liquid exceeds the uppermost screen plate 21, the reaction can be carried out with the smoke through the reaction liquid, denitration work is carried out, the set screen plate 21 can slow down the moving speed of the smoke, the smoke can be fully contacted with the reaction liquid, finally the smoke is discharged through the air outlet pipe 3, when the filter assembly 11 is replaced, the first valve 8 and the second valve 15 corresponding to the upper and lower parts are closed, so that the corresponding first connecting pipe 6 and the second connecting pipe 14 can be closed, the corresponding electric telescopic rod 9 is restarted to drive the corresponding fixed ring 10 to descend, therefore, the filter assembly 11 can be separated from the support frame, the worker can conveniently take down the filter assembly 11, the electric telescopic rod 19 can be replaced by the electric telescopic rod 9 to be inserted into the filter assembly 11, and the filter assembly 11 can be replaced by the fixed at the corresponding end 11.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise form 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 utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The utility model provides a high-efficient energy-conserving denitrification facility, includes reaction tank (1), its characterized in that: the utility model discloses a telescopic air inlet box, including reaction box (1), front side upper end fixedly connected with intake pipe (2) of reaction box (1), fixedly connected with air exhauster (4) on intake pipe (2), the rear end of intake pipe (2) is connected to the inside bottom of reaction box (1), the front end fixedly connected with shunt tubes (5) of intake pipe (2), the lower extreme both sides of shunt tubes (5) are fixedly connected with first connecting tube (6) respectively, the lower extreme fixedly connected with mount (7) of first connecting tube (6), the lower extreme both sides of mount (7) all are provided with solid fixed ring (10), the inboard of solid fixed ring (10) is all fixedly connected with fixed block (13), the upper end both sides of mount (7) are all fixedly connected with electric telescopic handle (9), the output of electric telescopic handle (9) respectively with the upper end fixedly connected with corresponding fixed block (13), all be provided with filter equipment (11) between the upper end of solid fixed ring (10) and mount (7), the lower extreme of solid fixed ring (10) is all fixedly connected with mount (7), the below of telescopic tube (12) is provided with telescopic air inlet box (16).

2. The efficient and energy-saving denitration device according to claim 1, wherein: the upper end of the reaction box (1) is fixedly connected with an air outlet pipe (3), and the inside of the reaction box (1) is fixedly connected with a plurality of screen plates (21).

3. The efficient and energy-saving denitration device according to claim 1, wherein: the first valve (8) is fixedly connected to the first connecting pipe (6), the second connecting pipes (14) are fixedly connected to two sides of the upper end of the air inlet box (16), and the upper ends of the second connecting pipes (14) are fixedly connected with the lower ends of the corresponding telescopic pipes (12) respectively.

4. A high efficiency energy saving denitration device according to claim 3, wherein: the second connecting pipes (14) are fixedly connected with second valves (15), and the middle position of the front end of the air inlet box (16) is fixedly connected with a third connecting pipe (17).

5. The efficient and energy-saving denitration device according to claim 1, wherein: the filter assembly (11) comprises a mounting pipe (18), a filter element (19) is arranged in the mounting pipe (18), and sealing rings (20) are fixedly connected to the upper end and the lower end of the outer side of the mounting pipe (18).