CN209752544U - Boiler tail gas treatment equipment - Google Patents
Boiler tail gas treatment equipment Download PDFInfo
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- CN209752544U CN209752544U CN201920301971.8U CN201920301971U CN209752544U CN 209752544 U CN209752544 U CN 209752544U CN 201920301971 U CN201920301971 U CN 201920301971U CN 209752544 U CN209752544 U CN 209752544U
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Abstract
The utility model discloses a boiler tail gas treatment device, which comprises an anti-scaling device, a wet tail gas purification device and a high-pressure electrolysis device which are connected in sequence; the anti-scaling device comprises a tail gas inlet pipe communicated with the boiler, a rotating shaft horizontally arranged is arranged in the tail gas inlet pipe, a spiral scraper is fixed at one end of the rotating shaft through a plurality of connecting blocks, the spiral scraper is sleeved outside the rotating shaft and abuts against the inner wall of the tail gas inlet pipe, and a dust collecting box for collecting dust is arranged on the tail gas inlet pipe below the end of the rotating shaft; the other end of the rotating shaft penetrates through one end of the tail gas inlet pipe and is driven by a micro motor arranged outside the tail gas inlet pipe. The utility model has the advantages that the multi-stage purification is realized in a mode of combining absorption and electrolysis, the purification effect on the boiler tail gas is greatly enhanced, and the environmental protection value is high; meanwhile, the soot in the tail gas inlet pipe is regularly removed, and the pipeline is prevented from being blocked by scaling.
Description
Technical Field
The invention relates to the field of industrial tail gas treatment, in particular to boiler tail gas treatment equipment.
background
At present, various boilers are widely used not only in industry but also in daily life of people, and main emissions of boiler combustion are sulfur dioxide and dust, wherein sulfur dioxide is one of main pollutants causing acid rain. Therefore, the emission of boiler tail gas is a concern, the emission and filtration are not clean, and the natural damage is caused, and the emission and filtration of other harmful substances are not clean, and the natural damage is also caused.
At present, a large number of devices aiming at boiler tail gas purification treatment are available, the treatment is carried out in a multi-purpose adsorption mode, and the treatment means is very rough, so that a large number of harmful substances in the devices are discharged into the air, and huge hidden dangers are brought to the health and ecological environment of people; moreover, the tail gas pipe often scales due to long-time use, the blockage situation occurs, the machine needs to be stopped for cleaning, and the production efficiency is influenced.
Disclosure of Invention
The invention aims to provide boiler tail gas treatment equipment to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
A boiler tail gas treatment device comprises an anti-scaling device, a wet tail gas purification device and a high-pressure electrolysis device which are connected in sequence;
The anti-scaling device comprises a tail gas inlet pipe communicated with the boiler, a rotating shaft horizontally arranged is arranged in the tail gas inlet pipe, a spiral scraper is fixed at one end of the rotating shaft through a plurality of connecting blocks, the spiral scraper is sleeved outside the rotating shaft and abuts against the inner wall of the tail gas inlet pipe, and a dust collecting box for collecting dust is arranged on the tail gas inlet pipe below the end of the rotating shaft; the other end of the rotating shaft penetrates through one end of the tail gas inlet pipe and is driven by a micro motor arranged outside the tail gas inlet pipe;
The wet tail gas purification device is a wet spray tower, the lower end of the wet spray tower is communicated with a tail gas inlet pipe close to one end of the micro motor through a communicating pipe, and a tail gas discharge pipe is arranged at the upper end of the wet spray tower;
The high-voltage electrolysis device is arranged in the tail gas discharge pipe, the high-voltage electrolysis device comprises a pair of high-voltage electrode plates fixed on the inner wall of the tail gas discharge pipe, the high-voltage electrode plates are electrically connected with the high-voltage generator through wires, the high-voltage generator is arranged outside the tail gas discharge pipe, and an adsorption plate is arranged in the tail gas discharge pipe above the high-voltage electrolysis device.
As a further scheme of the invention: the lower end of the dust collecting box is provided with a detachable blocking cover.
As a still further scheme of the invention: the wet spray tower comprises a purification tower, and absorption liquid for purifying the tail gas of the boiler is stored in the purification tower.
as a still further scheme of the invention: the outer lower extreme of purification tower is provided with the liquid pump, the liquid pump is intake the end and is communicated with the purification tower, the liquid pump goes out the water end and passes through a plurality of shower nozzles intercommunication on shower and the interior top of purification tower, the shower nozzle sets up downwards.
As a still further scheme of the invention: and a honeycomb ceramic reaction layer is arranged in the purification tower between the spray head and the liquid level of the absorption liquid.
As a still further scheme of the invention: the water outlet end of the liquid pump is provided with a diverter valve, one water outlet of the diverter valve is communicated with the spray pipe, the other water outlet of the diverter valve is communicated with a circulating water pipe, the other end of the circulating water pipe is communicated with the lower end of the purification tower through a venturi, and the throat part of the venturi is communicated with a communicating pipe.
as a still further scheme of the invention: the communicating pipe is provided with a one-way valve.
As a still further scheme of the invention: and a water absorption and ventilation plate is arranged in the tail gas discharge pipe below the high-pressure electrolysis device.
as a still further scheme of the invention: the adsorption plate is an activated carbon adsorption plate.
Compared with the prior art, the invention has the beneficial effects that: when the tail gas purification device is used, tail gas enters the wet spray tower through the tail gas inlet pipe and the communicating pipe, enters the tail gas discharge pipe after being preliminarily purified in the wet spray tower, the high-pressure electrolysis device is started, harmful components of the tail gas are electrolyzed into solid particles and oxygen, the harmful solid particles are adsorbed and fixed by the adsorption plate when finally passing through the adsorption plate, and beneficial oxygen and a small amount of tail gas are discharged into the air through the tail gas outlet, so that the harmful substances are obviously reduced, and the tail gas purification device has great environmental protection value; set up micro motor, when tail gas advances the pipe and blocks up, start micro motor, the spiral scraper is rotatory under the drive of pivot, advances the cigarette ash that the pipe bonded with tail gas and scrapes and directional transmission makes the dust fall into dust collecting box in, realizes regularly cleaing away of cigarette ash, avoids tail gas to advance a tub scale deposit and blocks up.
In conclusion, the invention adopts the mode of combining absorption and electrolysis to purify in multiple stages, greatly enhances the purification effect on the boiler tail gas and has great environmental protection value; meanwhile, the soot in the tail gas inlet pipe is regularly removed, and the pipeline is prevented from being blocked by scaling.
Drawings
FIG. 1 is a schematic structural view of a boiler tail gas treatment apparatus.
In the figure: 1-tail gas inlet pipe, 2-dust collecting box, 3-micro motor, 4-rotating shaft, 5-connecting block, 6-spiral scraper, 7-communicating pipe, 8-one-way valve, 9-venturi tube, 10-circulating water pipe, 11-flow divider, 12-liquid pump, 13-purifying tower, 14-spraying pipe, 15-honeycomb ceramic reaction layer, 16-spray head, 17-tail gas discharge pipe, 18-water-absorbing and air-permeable plate, 19-insulating layer, 20-high-pressure electrode plate, 21-high-pressure generator and 22-adsorption plate.
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, a boiler tail gas treatment apparatus includes an anti-scaling device, a wet tail gas purification device and a high-pressure electrolysis device, which are connected in sequence;
The anti-scaling device comprises a tail gas inlet pipe 1 communicated with a boiler, a rotating shaft 4 horizontally arranged is arranged in the tail gas inlet pipe 1, a spiral scraper 6 is fixed at one end of the rotating shaft 4 through a plurality of connecting blocks 5, the spiral scraper 6 is sleeved outside the rotating shaft 4 and abuts against the inner wall of the tail gas inlet pipe 1, and a dust collecting box 2 used for collecting dust is arranged on the tail gas inlet pipe 1 below the end of the rotating shaft 4; the other end of the rotating shaft 4 penetrates through one end of the tail gas inlet pipe 1 and is driven by a micro motor 3 arranged outside the tail gas inlet pipe;
the wet tail gas purification device is a wet spray tower, the lower end of the wet spray tower is communicated with a tail gas inlet pipe 1 close to one end of the micro motor 3 through a communicating pipe 7, and a tail gas discharge pipe 17 is arranged at the upper end of the wet spray tower;
The high-voltage electrolysis device is arranged in the tail gas discharge pipe 17 and comprises a pair of high-voltage electrode plates 20 fixed on the inner wall 17 of the tail gas discharge pipe, the high-voltage electrode plates 20 are electrically connected with a high-voltage generator 21 through leads, the high-voltage generator 21 is arranged outside the tail gas discharge pipe 17, and an adsorption plate 22 is arranged in the tail gas discharge pipe 17 above the high-voltage electrolysis device.
The working principle of the invention is as follows: when the device is used, tail gas enters the wet spray tower through the tail gas inlet pipe 1 and the communicating pipe 7, enters the tail gas discharge pipe 17 after being primarily purified in the wet spray tower, the high-pressure electrolysis device is started, harmful components of the tail gas are electrolyzed into solid particles and oxygen, the harmful solid particles are adsorbed and fixed by the adsorption plate 22 when the tail gas passes through the adsorption plate, and beneficial oxygen and a small amount of tail gas are discharged into the air through the tail gas outlet, so that the harmful substances are obviously reduced, and the device has great environmental protection value; set up micro motor 3, when tail gas advances pipe 1 and blocks up, start micro motor 3, spiral scraper 6 is rotatory under the drive of pivot 4, advances the cigarette ash that pipe 1 bondd with tail gas and scrapes and directional transmission makes the dust fall into dust collecting box 2 in, realizes the periodic cleaning of cigarette ash, avoids tail gas to advance pipe scale deposit to block up.
As an optional scheme, the lower end of the dust collection box 2 is provided with a detachable blocking cover, so that accumulated dust in the dust collection box 2 can be conveniently cleaned.
As an optional scheme, the wet spray tower comprises a purification tower 13, and an absorption liquid for purifying the boiler tail gas is stored in the purification tower 13.
As an optional scheme, a liquid pump 12 is arranged at the lower end outside the purification tower 13, a water inlet end of the liquid pump 12 is communicated with the purification tower 13, a water outlet end of the liquid pump 12 is communicated with a plurality of spray heads 16 at the top end inside the purification tower 13 through a spray pipe 14, and the spray heads 16 are arranged downwards, so that spraying absorption is performed, and the absorption and purification effects of the tail gas are improved.
As an optional scheme, a honeycomb ceramic reaction layer 15 is arranged in the purification tower 13 between the spray head 16 and the liquid level of the absorption liquid, so that the absorption time of the tail gas is delayed, and the purification effect is further improved.
As an optional scheme, a water outlet end of the liquid pump 12 is provided with a diverter valve 11, one water outlet of the diverter valve 11 is communicated with a spray pipe 14, the other water outlet of the diverter valve 11 is communicated with a circulating water pipe 10, the other end of the circulating water pipe 10 is communicated with the lower end of a purification tower 13 through a venturi 9, and the throat part of the venturi 9 is communicated with a communicating pipe 7. When the device is used, high-pressure liquid generated by the liquid pump 12 generates negative pressure when passing through the throat part of the venturi tube 9, smoke in the communicating tube 7 and the tail gas inlet tube 1 is sucked, and the smoke generates a large amount of bubbles in absorption liquid of the purification tower 13, so that the contact area of the smoke and the liquid is increased, the purification effect is enhanced, meanwhile, the use of an induced draft fan on the communicating tube 7 is reduced, the energy consumption is saved, and the cost is saved.
As an optional scheme, a one-way valve 8 is arranged on the communicating pipe 7 to avoid liquid backflow.
As an optional scheme, a water-absorbing and air-permeable plate 18 is arranged in the tail gas discharge pipe 17 below the high-pressure electrolysis device.
Alternatively, the adsorption plate 22 is an activated carbon adsorption plate.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The boiler tail gas treatment equipment is characterized by comprising an anti-scaling device, a wet tail gas purification device and a high-pressure electrolysis device which are sequentially connected;
The anti-scaling device comprises a tail gas inlet pipe communicated with the boiler, a rotating shaft horizontally arranged is arranged in the tail gas inlet pipe, a spiral scraper is fixed at one end of the rotating shaft through a plurality of connecting blocks, the spiral scraper is sleeved outside the rotating shaft and abuts against the inner wall of the tail gas inlet pipe, and a dust collecting box for collecting dust is arranged on the tail gas inlet pipe below the end of the rotating shaft; the other end of the rotating shaft penetrates through one end of the tail gas inlet pipe and is driven by a micro motor arranged outside the tail gas inlet pipe;
The wet tail gas purification device is a wet spray tower, the lower end of the wet spray tower is communicated with a tail gas inlet pipe close to one end of the micro motor through a communicating pipe, and a tail gas discharge pipe is arranged at the upper end of the wet spray tower;
The high-voltage electrolysis device is arranged in the tail gas discharge pipe, the high-voltage electrolysis device comprises a pair of high-voltage electrode plates fixed on the inner wall of the tail gas discharge pipe, the high-voltage electrode plates are electrically connected with the high-voltage generator through wires, the high-voltage generator is arranged outside the tail gas discharge pipe, and an adsorption plate is arranged in the tail gas discharge pipe above the high-voltage electrolysis device.
2. The boiler tail gas treatment plant according to claim 1, wherein the dust collection box is provided at its lower end with a detachable shield cover.
3. The boiler tail gas treatment apparatus according to claim 1, wherein the wet spray tower comprises a purification tower in which an absorption liquid for purifying the boiler tail gas is stored.
4. The boiler tail gas treatment device according to claim 3, wherein a liquid pump is arranged at the lower end outside the purification tower, the water inlet end of the liquid pump is communicated with the purification tower, the water outlet end of the liquid pump is communicated with a plurality of spray heads at the top end inside the purification tower through spray pipes, and the spray heads are arranged downwards.
5. The boiler tail gas treatment device according to claim 4, wherein a honeycomb ceramic reaction layer is arranged in the purification tower between the spray head and the liquid level of the absorption liquid.
6. the boiler tail gas treatment equipment according to claim 4, characterized in that a splitter valve is arranged at the water outlet end of the liquid pump, one water outlet of the splitter valve is communicated with the spray pipe, the other water outlet of the splitter valve is communicated with a circulating water pipe, the other end of the circulating water pipe is communicated with the lower end of the purification tower through a venturi, and the throat part of the venturi is communicated with a communicating pipe.
7. The boiler tail gas treatment device according to claim 6, wherein a one-way valve is arranged on the communicating pipe.
8. The boiler tail gas treatment device according to claim 1, wherein a water-absorbing air-permeable plate is arranged in the tail gas discharge pipe below the high-pressure electrolysis device.
9. The boiler tail gas treatment device according to claim 1, wherein the adsorption plate is an activated carbon adsorption plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920301971.8U CN209752544U (en) | 2019-03-11 | 2019-03-11 | Boiler tail gas treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920301971.8U CN209752544U (en) | 2019-03-11 | 2019-03-11 | Boiler tail gas treatment equipment |
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| Publication Number | Publication Date |
|---|---|
| CN209752544U true CN209752544U (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920301971.8U Active CN209752544U (en) | 2019-03-11 | 2019-03-11 | Boiler tail gas treatment equipment |
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| CN (1) | CN209752544U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321956A (en) * | 2021-12-20 | 2022-04-12 | 徐州长盛电力设备有限公司 | Industrial boiler is used in production of environment-friendly pole with waste gas separation processing function |
-
2019
- 2019-03-11 CN CN201920301971.8U patent/CN209752544U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321956A (en) * | 2021-12-20 | 2022-04-12 | 徐州长盛电力设备有限公司 | Industrial boiler is used in production of environment-friendly pole with waste gas separation processing function |
| CN114321956B (en) * | 2021-12-20 | 2022-10-28 | 徐州长盛电力设备有限公司 | Industrial boiler is used in production of environment-friendly pole with waste gas separation processing function |
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