Flue gas denitration purification device

Abstract

The utility model discloses a flue gas denitration purification device which comprises a box body, a box door, a fixed pipe and an exhaust pipe, the box door is movably connected to the front side of the box body, the fixed pipe is fixedly connected to the lower portion of the other side of the box body, the exhaust pipe is fixedly connected to the top of the box body, the flue gas denitration purification device further comprises a denitration purification assembly, and the denitration purification assembly is arranged in the box body. The utility model belongs to the technical field of flue gas purification, and particularly relates to a flue gas denitration and purification device which solves the problems that the filtering efficiency is low, denitration is not thorough enough, a filter screen is inevitably blocked after filtering for a long time, and the passing rate of flue gas is influenced.

Description

Technical Field

[0001] The utility model belongs to the technical field of flue gas purification, and in particular relates to a flue gas denitration purification device. Background Art

[0002] A boiler is an energy conversion device. The energy input into the boiler includes chemical energy and electrical energy in the fuel. The boiler outputs steam, high-temperature water or organic heat carrier with a certain amount of thermal energy. During the combustion and heating process of the boiler, a large amount of flue gas will be generated. These flue gases cannot be discharged directly. The harmful substances in the flue gas need to be filtered out through filtration and denitrification before they can be discharged.

[0003] The existing denitrification devices have low filtration efficiency, the denitrification is not thorough enough, and after a long period of filtration, the filter screen will inevitably become clogged, affecting the flue gas passing rate. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the filtering efficiency is low, the denitration is not thorough enough, and after a long period of filtration, the filter screen is inevitably clogged, which affects the passing rate of the smoke.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is as follows: a flue gas denitration purification device, comprising a box body, a box door, a fixed pipe and an exhaust pipe, wherein the box door is movably connected to the front side of the box body, the fixed pipe is fixedly connected to the lower side of the other side of the box body, and the exhaust pipe is fixedly connected to the top of the box body, and also comprises a denitration purification component, wherein the denitration purification component is arranged in the box body;

[0006] The denitrification purification component includes a servo motor, a stirring blade, a guide rail and an activated carbon plate. The servo motor is fixedly installed at the bottom of the box, the stirring blade is fixedly connected to the output end of the servo motor, and the stirring blade is evenly arranged, the guide rail is fixedly connected to the inner wall of the box, and the guide rail is symmetrically arranged, and the activated carbon plate is slidably arranged between the opposite side walls of the guide rail.

[0007] Furthermore, the denitrification purification component also includes a solenoid valve fixedly connected to the middle section of the fixed pipe, a round box threadedly connected to one end of the fixed pipe, a dust filter plate fixedly connected between the inner walls of the round box, an intake pipe threadedly connected to the other side of the round box, a flow valve installed on the intake pipe, a pipeline fixedly connected to the inner wall of the box, a liquid adding pipe fixedly connected to the pipeline, and a nozzle fixedly connected to the bottom of the pipeline, and the nozzles are evenly arranged.

[0008] Furthermore, a drying box is provided between the inner walls of the box body, the drying box is arranged above the activated carbon plate, the middle position of the bottom of the drying box is a mesh hollow setting, and the lower end of the exhaust pipe is connected to the inside of the drying box.

[0009] Furthermore, sealing rings are provided at the connection between the air inlet pipe and the round box, and at the connection between the fixed pipe and the round box.

[0010] Furthermore, a sewage pipe is fixedly connected to the lower side of the box body.

[0011] After adopting the above structure, the utility model has the following beneficial effects:

[0012] (1) The uniform rotation of the stirring blades can fully mix and contact the flue gas with the liquid containing ammonia, thereby improving the denitrification effect of the flue gas;

[0013] (2) During the rising process of the flue gas, the sprayed liquid or ammonia is purified again and purified by the activated carbon plate. An appropriate amount of sponge can be added inside the drying box to absorb moisture from the flue gas;

[0014] (3) The dust filter plate can be used to filter the flue gas, and the round box can be quickly replaced to avoid clogging after long-term filtration, thereby ensuring the flue gas pass rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] Figure 1 This is a schematic diagram of the overall structure of a flue gas denitration purification device proposed by the utility model;

[0017] Figure 2 This is a three-dimensional structural schematic diagram of a flue gas denitration purification device proposed by the utility model;

[0018] Figure 3 A half-section view of a flue gas denitration purification device proposed by the utility model;

[0019] Figure 4 This is a half-section view of a round box of a flue gas denitration purification device proposed by the utility model.

[0020] In the attached drawings: 1. Box body, 2. Box door, 3. Fixed pipe, 4. Exhaust pipe, 5. Servo motor, 6. Stirring blade, 7. Guide rail, 8. Activated carbon plate, 9. Solenoid valve, 10. Round box, 11. Dust filter plate, 12. Flow valve, 13. Inlet pipe, 14. Pipeline, 15. Liquid adding pipe, 16. Nozzle, 17. Drying box, 18. Drain pipe. DETAILED DESCRIPTION

[0021] like Figure 1-2As shown, a flue gas denitrification purification device includes a box body 1, a box door 2, a fixed pipe 3 and an exhaust pipe 4, the box door 2 is movably connected to the front side of the box body 1, the fixed pipe 3 is fixedly connected to the other side of the box body 1 at the bottom, the exhaust pipe 4 is fixedly connected to the top of the box body 1, and also includes a denitrification purification component, which is arranged in the box body 1.

[0022] like Figure 1-4 As shown, in order to improve the denitration filtration efficiency of flue gas, the denitration purification component includes a servo motor 5, a stirring blade 6, a guide rail 7 and an activated carbon plate 8. The servo motor 5 is fixedly installed at the bottom of the box body 1, the stirring blade 6 is fixedly connected to the output end of the servo motor 5, and the stirring blade 6 is evenly arranged, the guide rail 7 is fixedly connected to the inner wall of the box body 1, and the guide rail 7 is symmetrically arranged, and the activated carbon plate 8 is slidably set between the opposite side walls of the guide rail 7.

[0023] like Figure 1-4 As shown, in order to ensure the pass rate of flue gas, the denitrification purification component also includes a solenoid valve 9 fixedly connected to the middle section of the fixed pipe 3, a round box 10 threadedly connected to one end of the fixed pipe 3, a dust filter plate 11 fixedly connected between the inner walls of the round box 10, an air intake pipe 13 threadedly connected to the other side of the round box 10, and a flow valve 12 installed on the air intake pipe 13.

[0024] In order to purify the flue gas again, a pipe 14 fixedly connected to the inner wall of the box 1, a liquid adding pipe 15 fixedly connected to the pipe 14, and a nozzle 16 fixedly connected to the bottom of the pipe 14 are arranged evenly.

[0025] In order to absorb moisture from the flue gas, a drying box 17 is provided between the inner walls of the box body 1. The drying box 17 is arranged above the activated carbon plate 8. The middle position of the bottom of the drying box 17 is a mesh hollow setting. The lower end of the exhaust pipe 4 is connected to the interior of the drying box 17. An appropriate amount of sponge can be added to the interior of the drying box 17.

[0026] Among them, sealing rings are provided at the connection between the air inlet pipe 13 and the round box 10 and at the connection between the fixed pipe 3 and the round box 10, and a sewage pipe 18 is fixedly connected to the lower side of the box body 1.

[0027] When in use, add a proper amount of liquid medicine containing ammonia into the box body 1 through the liquid adding pipe 15, open the box door 2, add a proper amount of sponge into the drying box 17, insert the activated carbon plate 8 into the guide rail 7, close the box door 2, open the flow valve 12 and the solenoid valve 9, add the flue gas into the box body 1, and the flue gas before entering the box body 1 is first filtered through the dust filter plate 11 for dust treatment. After long-term filtration, the round box 10 can be rotated to quickly remove the round box 10 for replacement, avoiding the problem of blockage after long-term filtration, thereby ensuring the flue gas The flue gas entering the box 1 contacts with the liquid medicine, the servo motor 5 is turned on, and the stirring blade 6 rotates at a uniform speed so that the flue gas and the liquid medicine containing ammonia can be fully mixed and contacted, thereby improving the denitrification effect on the flue gas. After the liquid medicine is added, an appropriate amount of ammonia can be added to the inside of the box 1 through the liquid adding pipe 15, and the ammonia is sprayed out through each nozzle 16. During the rising process of the flue gas, it contacts with the ammonia and is purified again. The flue gas is purified when passing through the activated carbon plate 8, and the flue gas entering the drying box 17 is hygroscopically treated by the sponge and then discharged through the exhaust pipe 4.

[0028] Although the embodiments of the utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the attached claims and their equivalents. In short, if those skilled in the art are inspired by them and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the scope of protection of the utility model.

Claims

1. A flue gas denitration purification device, comprising a box, a box door, a fixed pipe and an exhaust pipe, wherein the box door is movably connected to the front side of the box, the fixed pipe is fixedly connected to the lower side of the other side of the box, and the exhaust pipe is fixedly connected to the top of the box, characterized in that: It also includes a denitration purification component, which is arranged in the box; The denitrification purification component includes a servo motor, a stirring blade, a guide rail and an activated carbon plate. The servo motor is fixedly installed at the bottom of the box, the stirring blade is fixedly connected to the output end of the servo motor, and the stirring blade is evenly arranged, the guide rail is fixedly connected to the inner wall of the box, and the guide rail is symmetrically arranged, and the activated carbon plate is slidably arranged between the opposite side walls of the guide rail.

2. A flue gas denitration purification device according to claim 1, characterized in that: The denitrification purification component also includes a solenoid valve fixedly connected to the middle section of the fixed pipe, a round box threadedly connected to one end of the fixed pipe, a dust filter plate fixedly connected between the inner walls of the round box, an air intake pipe threadedly connected to the other side of the round box, a flow valve installed on the air intake pipe, a pipeline fixedly connected to the inner wall of the box, a liquid adding pipe fixedly connected to the pipeline, and a nozzle fixedly connected to the bottom of the pipeline, and the nozzles are evenly arranged.

3. A flue gas denitration purification device according to claim 2, characterized in that: A drying box is arranged between the inner walls of the box body, the drying box is arranged above the activated carbon plate, the middle position of the bottom of the drying box is a mesh hollow arrangement, and the lower end of the exhaust pipe is communicated with the interior of the drying box.

4. A flue gas denitration purification device according to claim 3, characterized in that: Sealing rings are provided at the connection between the air inlet pipe and the round box, and at the connection between the fixed pipe and the round box.

5. A flue gas denitration purification device according to claim 4, characterized in that: A sewage pipe is fixedly connected at the lower part of one side of the box body.

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