CN215447462U - Dedicated high-efficient environmental protection tail gas processing apparatus of thermal power plant - Google Patents
Dedicated high-efficient environmental protection tail gas processing apparatus of thermal power plant Download PDFInfo
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- CN215447462U CN215447462U CN202121415081.3U CN202121415081U CN215447462U CN 215447462 U CN215447462 U CN 215447462U CN 202121415081 U CN202121415081 U CN 202121415081U CN 215447462 U CN215447462 U CN 215447462U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model relates to the technical field of tail gas treatment, in particular to a special efficient environment-friendly tail gas treatment device for a thermal power plant, which comprises a boiler, wherein one side of the boiler is fixedly connected with a first connecting pipe, the boiler is fixedly connected with a filtering device through the first connecting pipe, one side of the filtering device is fixedly connected with a second connecting pipe, one end, far away from the filtering device, of the second connecting pipe is fixedly connected with a flue gas heat exchanger, and one side of the flue gas heat exchanger is fixedly connected with a third connecting pipe. The utility model has the advantages that: get into gas heater again through filterable tail gas and carry out the heat transfer, it is rational in infrastructure, through setting up filter equipment, tail gas gets into filter equipment through first connecting pipe, the particulate matter of active carbon filter screen in to tail gas filters, the active carbon filter screen is the convenience of pegging graft on the shell and takes off clearance or change, and the top cap passes through bolt fixed mounting at the top of shell, clears up or maintains filter equipment inside after the convenient dismantlement.
Description
Technical Field
The utility model relates to the technical field of tail gas treatment, in particular to a special efficient environment-friendly tail gas treatment device for a thermal power plant.
Background
The tail gas refers to toxic and harmful gas discharged by human beings in the production and living processes, besides waste gas discharged from an exhaust pipe of an automobile, in chemical plants, steel plants, thermal power plants, pharmaceutical plants, coking plants, oil refineries and other plants, the discharged industrial waste gas is an important source of atmospheric pollutants, if a large amount of industrial waste gas is discharged into the atmosphere after reaching the standard without treatment, the quality of the atmospheric environment is inevitably reduced, and the pollution of the waste gas to the atmospheric environment is one of the most common and serious environmental problems in the world at present.
The dedicated high-efficient environmental protection tail gas processing apparatus of thermal power plant who discloses in chinese patent CN208786099U, this dedicated high-efficient environmental protection tail gas processing apparatus of thermal power plant has improved tail gas treatment efficiency, has reduced environmental pollution, however, this dedicated high-efficient environmental protection tail gas processing apparatus of thermal power plant, when the problem of solution, has following shortcoming:
1. according to the special efficient environment-friendly tail gas treatment device for the thermal power plant, the booster fan extracts tail gas from the chimney and the boiler simultaneously for treatment, the treated tail gas is recovered through the water collecting tank, the middle flue gas heat exchanger only plays a role in filtering, does not play a role in heat exchange, and is unreasonable in structural design;
2. this dedicated high-efficient environmental protection tail gas processing apparatus of thermal power plant filters the particulate matter in to tail gas through the active carbon adsorption board, but active carbon adsorption board fixed mounting is inconvenient change and clearance in gas heater's inside.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a special efficient environment-friendly tail gas treatment device for a thermal power plant.
The purpose of the utility model is realized by the following technical scheme: a special efficient environment-friendly tail gas treatment device for a thermal power plant comprises a boiler, wherein a first connecting pipe is fixedly connected to one side of the boiler, the boiler is fixedly connected with a filtering device through the first connecting pipe, a second connecting pipe is fixedly connected to one side of the filtering device, one end, away from the filtering device, of the second connecting pipe is fixedly connected with a flue gas heat exchanger, a third connecting pipe is fixedly connected to one side of the flue gas heat exchanger, the pipe wall of the third connecting pipe is fixedly connected with a desulfurizing tower, and a demister is fixedly arranged in the desulfurizing tower;
the top of one side of the desulfurizing tower is fixedly connected with a fourth connecting pipe, one end of the fourth connecting pipe, which is far away from the desulfurizing tower, is fixedly connected with a flue gas heat exchanger, and one side of the flue gas heat exchanger is fixedly connected with an exhaust pipe;
the middle part fixedly connected with inlet tube that the desulfurizing tower kept away from gas heater one side, the bottom fixedly connected with drain pipe that the desulfurizing tower kept away from gas heater one side.
Preferably, filter equipment includes shell, top cap, first connecting hole, second connecting hole, active carbon filter screen and booster fan, the top fixed mounting of shell has the top cap, first connecting hole has been seted up to one side of shell, the second connecting hole has been seted up to one side that first connecting hole was kept away from to the shell, one side of shell is pegged graft and is had the active carbon filter screen, the inside fixed mounting of shell has booster fan.
Preferably, the housing is fixedly connected with the first connecting pipe through a first connecting hole, and the housing is fixedly connected with the second connecting pipe through a second connecting hole.
Preferably, the third connecting pipe is an L-shaped pipe, one end of the third connecting pipe extends to the bottom of the inside of the desulfurizing tower, and a small hole is formed in the pipe wall of the end, located inside the desulfurizing tower, of the third connecting pipe.
Preferably, a slot is formed in one side of the shell, the activated carbon filter screen is inserted into one side of the shell through the slot, and a handle is arranged on one side of the activated carbon filter screen.
Preferably, a valve is arranged on the pipe wall of the water discharge pipe.
The utility model has the following advantages:
1. according to the special efficient environment-friendly tail gas treatment device for the thermal power plant, the booster fan extracts tail gas generated in a boiler, the tail gas enters the flue gas heat exchanger through the first connecting pipe, the filtering device and the second connecting pipe, the tail gas is discharged from the flue gas heat exchanger and then enters the bottom of the desulfurization tower through the third connecting pipe, demisting is carried out by the demister after water passing and desulfurization, the tail gas enters the flue gas heat exchanger through the fourth connecting pipe, heat exchange is carried out on the filtered tail gas, and then the tail gas is discharged through the exhaust pipe, so that the structure is reasonable;
2. this dedicated high-efficient environmental protection tail gas processing apparatus of thermal power plant, through setting up filter equipment, tail gas gets into filter equipment through first connecting pipe, and the particulate matter of active carbon filter screen in to tail gas filters, and the active carbon filter screen is the convenience of pegging graft on the shell and takes off clearance or change, and the top cap passes through bolt fixed mounting at the top of shell, clears up or maintains filter equipment inside after the convenient dismantlement.
Drawings
FIG. 1 is a schematic sectional view of the present invention in a disassembled state;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic structural diagram of the filtering device of the present invention.
In the figure: 1-boiler, 2-first connecting pipe, 3-filtering device, 301-shell, 302-top cover, 303-first connecting hole, 304-second connecting hole, 305-activated carbon filter screen, 306-booster fan, 4-second connecting pipe, 5-flue gas heat exchanger, 6-third connecting pipe, 7-desulfurizing tower, 8-demister, 9-fourth connecting pipe, 10-exhaust pipe, 11-water inlet pipe and 12-water outlet pipe.
Detailed Description
The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.
As shown in fig. 1 and 2, a dedicated high-efficiency environment-friendly tail gas treatment device for a thermal power plant, which comprises a boiler 1, a first connecting pipe 2 fixedly connected to one side of the boiler 1, a filtering device 3 fixedly connected to the boiler 1 through the first connecting pipe 2, and a filtering device 3 arranged in the boiler 1, wherein particulate matters in tail gas can be blocked in the filtering device 3, a second connecting pipe 4 fixedly connected to one side of the filtering device 3, and a flue gas heat exchanger 5 fixedly connected to one end of the second connecting pipe 4 far away from the filtering device 3, wherein the flue gas heat exchanger 5 is a conventional one, and by arranging the flue gas heat exchanger 5, heat of high-temperature flue gas can be recovered to heat desulfurized clean flue gas, so that the clean flue gas is heated from 40 ℃ to a lifting height for lifting the flue gas, energy is saved, normal operation of a desulfurizing tower 7 can be ensured, water consumption is reduced, and desulfurizing efficiency of the desulfurizing tower 7 is improved, The secondary pollution to the atmosphere is reduced, one side of the flue gas heat exchanger 5 is fixedly connected with a third connecting pipe 6, the pipe wall of the third connecting pipe 6 is fixedly connected with a desulfurizing tower 7, a demister 8 is fixedly arranged in the desulfurizing tower 7, the demister 8 is the prior art, and fog particles and slurry drops carried by flue gas are collected by arranging the demister 8, so that the fog particles are prevented from corroding the following equipment parts;
the top of one side of the desulfurizing tower 7 is fixedly connected with a fourth connecting pipe 9, one end, far away from the desulfurizing tower 7, of the fourth connecting pipe 9 is fixedly connected with the flue gas heat exchanger 5, and one side of the flue gas heat exchanger 5 is fixedly connected with an exhaust pipe 10;
the middle part fixedly connected with inlet tube 11 of 5 one sides of gas heater is kept away from to desulfurizing tower 7, and bottom fixedly connected with drain pipe 12 of 5 one sides of gas heater is kept away from to desulfurizing tower 7, through setting up inlet tube 11 and drain pipe 12, when the water in desulfurizing tower 7 becomes muddy when influencing desulfurization filter effect, opens the valve and discharges sewage from drain pipe 12, follow inlet tube 11 again pour into the water purification can, can guarantee that filter effect is not influenced.
As a preferred technical solution of the present invention, as shown in fig. 3, the filtering device 3 includes a housing 301, a top cover 302, a first connection hole 303, a second connection hole 304, an activated carbon filter screen 305 and a booster fan 306, the top cover 302 is fixedly installed on the top of the housing 301, the first connection hole 303 is opened on one side of the housing 301, the second connection hole 304 is opened on one side of the housing 301 away from the first connection hole 303, the activated carbon filter screen 305 is inserted into one side of the housing 301, the insertion design makes it very convenient to clean or replace the activated carbon filter screen 305, the booster fan 306 is fixedly installed inside the housing 301, and the booster fan 306 is the prior art.
As a preferred embodiment of the present invention, as shown in fig. 1 and 2, the housing 301 is fixedly connected to the first connection pipe 2 through the first connection hole 303, and the housing 301 is fixedly connected to the second connection pipe 4 through the second connection hole 304.
As a preferred technical solution of the present invention, as shown in fig. 1, the third connecting pipe 6 is an L-shaped pipe, one end of the third connecting pipe 6 extends to the bottom inside the desulfurization tower 7, a plurality of small holes are formed in the pipe wall of one end of the third connecting pipe 6 inside the desulfurization tower 7, the small holes are uniformly distributed on the pipe wall of one end of the third connecting pipe 6 inside the desulfurization tower 7, and the flue gas enters the water through the small holes to increase the contact area between the water and the flue gas, so that the desulfurization filtering effect is better.
As a preferred technical solution of the present invention, as shown in fig. 3, a slot is formed at one side of the housing 301, the activated carbon filter 305 is inserted into one side of the housing 301 through the slot, and a handle is disposed at one side of the activated carbon filter 305.
As a preferred technical solution of the present invention, as shown in fig. 1 and 2, a valve is disposed on a pipe wall of the water discharge pipe 12.
The working process of the utility model is as follows: during the use, booster fan 306 is with the tail gas extraction that produces in the boiler 1, get into filter equipment 3 through first connecting pipe 2 and filter the particulate matter in the tail gas, then tail gas gets into gas heater 5 through second connecting pipe 4, give gas heater 5 with the heat branch, get out back from gas heater 5 and get into the inside bottom of desulfurizing tower 7 through third connecting pipe 6, through 8 demisters of defroster after the water desulfurization, get into gas heater 5 through fourth connecting pipe 9 again, tail gas heat transfer after filtering the desulfurization, then discharge by blast pipe 10.
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 (6)
1. The utility model provides a dedicated high-efficient environmental protection tail gas processing apparatus of thermal power plant which characterized in that: the boiler comprises a boiler (1), wherein a first connecting pipe (2) is fixedly connected to one side of the boiler (1), the boiler (1) is fixedly connected with a filtering device (3) through the first connecting pipe (2), a second connecting pipe (4) is fixedly connected to one side of the filtering device (3), one end, far away from the filtering device (3), of the second connecting pipe (4) is fixedly connected with a flue gas heat exchanger (5), a third connecting pipe (6) is fixedly connected to one side of the flue gas heat exchanger (5), a desulfurizing tower (7) is fixedly connected to the pipe wall of the third connecting pipe (6), and a demister (8) is fixedly mounted inside the desulfurizing tower (7);
the top of one side of the desulfurizing tower (7) is fixedly connected with a fourth connecting pipe (9), one end, far away from the desulfurizing tower (7), of the fourth connecting pipe (9) is fixedly connected with the flue gas heat exchanger (5), and one side of the flue gas heat exchanger (5) is fixedly connected with an exhaust pipe (10);
the desulfurization tower (7) is kept away from the middle fixedly connected with inlet tube (11) of flue gas heat exchanger (5) one side, the bottom fixedly connected with drain pipe (12) of flue gas heat exchanger (5) one side is kept away from in desulfurization tower (7).
2. The special efficient environment-friendly tail gas treatment device for the thermal power plant as claimed in claim 1, characterized in that: filter equipment (3) include shell (301), top cap (302), first connecting hole (303), second connecting hole (304), activated carbon filter screen (305) and booster fan (306), the top fixed mounting of shell (301) has top cap (302), first connecting hole (303) have been seted up to one side of shell (301), second connecting hole (304) have been seted up to one side that first connecting hole (303) were kept away from in shell (301), it has activated carbon filter screen (305) to peg graft in one side of shell (301), the inside fixed mounting of shell (301) has booster fan (306).
3. The special efficient environment-friendly tail gas treatment device for the thermal power plant as claimed in claim 2, characterized in that: the shell (301) is fixedly connected with the first connecting pipe (2) through a first connecting hole (303), and the shell (301) is fixedly connected with the second connecting pipe (4) through a second connecting hole (304).
4. The special efficient environment-friendly tail gas treatment device for the thermal power plant as claimed in claim 1, characterized in that: the third connecting pipe (6) is an L-shaped pipe, one end of the third connecting pipe (6) extends to the bottom of the inside of the desulfurizing tower (7), and a small hole is formed in the pipe wall of the end, located inside the desulfurizing tower (7), of the third connecting pipe (6).
5. The special efficient environment-friendly tail gas treatment device for the thermal power plant as claimed in claim 2, characterized in that: the slot has been seted up to one side of shell (301), activated carbon filter screen (305) are pegged graft in one side of shell (301) through the slot, one side of activated carbon filter screen (305) is provided with the handle.
6. The special efficient environment-friendly tail gas treatment device for the thermal power plant as claimed in claim 1, characterized in that: and a valve is arranged on the pipe wall of the water discharge pipe (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121415081.3U CN215447462U (en) | 2021-06-24 | 2021-06-24 | Dedicated high-efficient environmental protection tail gas processing apparatus of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121415081.3U CN215447462U (en) | 2021-06-24 | 2021-06-24 | Dedicated high-efficient environmental protection tail gas processing apparatus of thermal power plant |
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| CN215447462U true CN215447462U (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121415081.3U Active CN215447462U (en) | 2021-06-24 | 2021-06-24 | Dedicated high-efficient environmental protection tail gas processing apparatus of thermal power plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117190724A (en) * | 2023-11-03 | 2023-12-08 | 江苏奥派电气科技有限公司 | Natural circulation efficient waste heat power generation device |
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2021
- 2021-06-24 CN CN202121415081.3U patent/CN215447462U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117190724A (en) * | 2023-11-03 | 2023-12-08 | 江苏奥派电气科技有限公司 | Natural circulation efficient waste heat power generation device |
| CN117190724B (en) * | 2023-11-03 | 2024-01-26 | 江苏奥派电气科技有限公司 | Natural circulation efficient waste heat power generation device |
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