CN210584270U - High-efficient dust removal, desulfurization and take off white cigarette device - Google Patents
High-efficient dust removal, desulfurization and take off white cigarette device Download PDFInfo
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- CN210584270U CN210584270U CN201921428246.3U CN201921428246U CN210584270U CN 210584270 U CN210584270 U CN 210584270U CN 201921428246 U CN201921428246 U CN 201921428246U CN 210584270 U CN210584270 U CN 210584270U
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Abstract
The utility model relates to a high-efficiency dust removal, desulfurization and white smoke removal device, which comprises a desulfurizing tower (1), a circulating water tank (2) and an electrostatic dust removal device (3), wherein the circulating water tank (2) is communicated with the desulfurizing tower (1) through a water pipe, and the circulating water tank (2) conveys water flow to the desulfurizing tower (1); the input end of the electrostatic dust collection device (3) is communicated with the output end of the desulfurizing tower (1); the desulfurization tower (1) introduces raw flue gas, and performs desulfurization and dust removal on the raw flue gas; and the electrostatic dust collection device (3) is used for carrying out electrostatic dust collection on the desulfurized and dedusted flue gas.
Description
Technical Field
The utility model relates to a chemical industry environmental protection technical field, particularly, in particular to high-efficient dust removal, desulfurization and take off white cigarette device.
Background
Besides a large amount of sulfur dioxide, a large amount of fine particles are contained in flue gas generated by burning fossil fuels such as a coal-fired power plant, the flue gas can form aerosol pollution at a smoke outlet of a chimney, the flue gas is one of important and powerful things formed in severe weather such as dust haze, and the realization of ultra-clean dust removal of desulfurized flue gas is an urgent affair in the current atmospheric pollution treatment industry.
In the prior art, the device and the method for ultra-clean dedusting and white smoke abatement of desulfurized flue gas, which are disclosed by application number 201710451922.8, comprise a desulfurizing tower, a cooling tower and a circulating water tank, wherein the circulating water tank provides water sources for the desulfurizing tower and the cooling tower and simultaneously receives water recovered from the desulfurizing tower and the cooling tower; the raw flue gas enters a desulfurizing tower for desulfurization, dust removal and white smoke elimination, heat is transferred to circulating water, and the circulating water is cooled and recycled through a circulating water tank and a cooling tower.
In the prior art, many schemes are consistent with the above technical scheme, and the fine dust with the particle size of 1-0.01 micron cannot be removed, so that the dust removal efficiency is low; further, since the exhaust gas is not uniformly mixed and partial white smoke is likely to be generated, it is necessary to solve these problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. Therefore, an object of the utility model is to provide a high-efficient dust removal, desulfurization and take off white cigarette device that dust collection efficiency is high, eliminates white cigarette.
The utility model provides an above-mentioned technical problem's technical scheme as follows: the high-efficiency dust removal, desulfurization and white smoke removal device comprises a desulfurization tower, a circulating water tank and an electrostatic dust removal device, wherein the circulating water tank is communicated with the desulfurization tower through a water pipe and conveys water flow to the desulfurization tower; the input end of the electrostatic dust collection device is communicated with the output end of the desulfurizing tower; the desulfurization tower introduces raw flue gas, and the raw flue gas is desulfurized and dedusted; and the electrostatic dust removal device performs electrostatic dust removal on the desulfurized and dedusted flue gas.
The utility model has the advantages that: fine particle dust with the particle size of more than 1 micron can be removed through primary dust removal, and fine particle dust with the particle size of 1 micron to 0.01 micron can be removed through secondary dust removal; through twice dust removal, the dust removal efficiency can be effectively improved, and the fine particle solid is prevented from being discharged under the condition that the fine particle solid does not form fog drops due to too fast air flow.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the electrostatic dust removal device comprises a first pipe body, a net body and an electrostatic generator, wherein the inner diameter of the front end part of the first pipe body is larger than that of the rear end part of the first pipe body; the net body is horizontally arranged on the inner side of the rear end part of the first pipe body; an opening is formed in the bottom of the first pipe body corresponding to the net body, and the net body can be taken out through the opening; the electrostatic generator is arranged below the first pipe body, and the output end of the electrostatic generator penetrates through the opening through a line to be communicated with the net body and generates static electricity to be transmitted to the net body; the opening part is provided with a cover body capable of closing the opening, and the cover body is detachably connected with the first pipe body.
The beneficial effect of adopting the further scheme is that: the secondary dust removal of the flue gas is realized, fine particle dust with the particle size of 1-0.01 micron is effectively removed, and the dust removal efficiency is improved.
Further, the cover body comprises a plate-shaped magnet and a rubber sleeve, and the rubber sleeve is sleeved on the magnet; the cover body is connected with the first pipe body in a magnetic attraction mode.
The beneficial effect of adopting the further scheme is that: the magnet is convenient for disassembling and assembling the cover body; the gum cover can seal opening department, avoids the flue gas to flow out.
The cooling tower is characterized by further comprising a cooling tower, wherein a cold air input port is arranged at the bottom of the cooling tower, and a hot air outlet is arranged at the top of the cooling tower; the cooling tower is connected with the desulfurizing tower and the circulating water tank through a water pipe, the cooling tower is connected with hot water generated by the desulfurizing tower, the hot water and cold air are subjected to heat exchange to obtain cold water, and the cold water is transmitted to the circulating water tank.
The beneficial effect of adopting the further scheme is that: the subsequent white smoke removal efficiency is improved, and the water recycling is realized.
The output ends of the electrostatic dust collection device and the cooling tower are communicated with the input end of the gas mixing device; the electrostatic dust removal device outputs the cold flue gas after dust removal to the gas mixing device, the cooling tower outputs the hot air after dust removal to the gas mixing device for mixing, and the generated mixed gas is discharged to the atmosphere for mixing and white smoke removal.
The beneficial effect of adopting the further scheme is that: the hot gas output by the cooling tower and the cold flue gas output by the electrostatic dust removal device can be effectively and fully mixed, and the generation of white smoke is effectively reduced.
Further, the gas mixing device comprises a second pipe body and a cylinder body, and the input end of the second pipe body is communicated with the electrostatic dust removal device and the output end of the cooling tower; the outer diameter of the cylinder body is smaller than the inner diameter of the second pipe body, and the cylinder body is arranged on the inner side of the output end of the second pipe body;
one end of the cylinder body, which is far away from the output end of the second pipe body, is closed, and one end of the cylinder body, which is close to the output end of the second pipe body, is provided with an air outlet; the edge of the air outlet of the cylinder body is hermetically connected with the output end part of the second pipe body through an annular sealing plate; a plurality of air inlets are arranged on the annular side wall of the cylinder body.
The beneficial effect of adopting the further scheme is that: make steam and cold flue gas intensive mixing behind the not equidirectional entering barrel, reduce the water content in the flue gas by a wide margin for the water content in the flue gas is far less than the surrounding water content in the atmosphere, can fully eliminate white cigarette.
Drawings
FIG. 1 is a schematic structural view of the high-efficiency dust-removing, desulfurizing and white smoke-removing device of the present invention;
FIG. 2 is a schematic structural view of the electrostatic precipitator of the present invention;
fig. 3 is a schematic structural diagram of the gas mixing device of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a desulfurizing tower, 2, a circulating water tank, 3 and an electrostatic dust removal device;
3.1, a first pipe body, 3.2, a net body, 3.3, an electrostatic generator, 3.4 and a cover body;
3.4.1, a magnet 3.4.2 and a rubber sleeve;
4. a cooling tower 5 and a gas mixing device;
5.1, a second pipe body, 5.2 and a cylinder body.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Example 1:
as shown in fig. 1 to 3, the high-efficiency dust removal, desulfurization and white smoke removal device comprises a desulfurization tower 1, a circulating water tank 2 and an electrostatic dust removal device 3, wherein the circulating water tank 2 is communicated with the desulfurization tower 1 through a water pipe, and the circulating water tank 2 conveys water flow to the desulfurization tower 1; the input end of the electrostatic dust collection device 3 is communicated with the output end of the desulfurizing tower 1; the desulfurization tower 1 introduces raw flue gas, and performs desulfurization and dust removal on the raw flue gas; and the electrostatic dust removal device 3 performs electrostatic dust removal on the desulfurized and dedusted flue gas.
A desulfurization liquid circulating pool, a desulfurization liquid spraying layer, a desulfurization demister, a hood partition plate, a cold water spraying layer and a dust removal demister are sequentially arranged in the desulfurization tower 1 from bottom to top, and an air outlet communicated with the interior of the desulfurization tower 1 is formed in the upper end of the desulfurization tower 1; a desulfurization circulating pump is arranged on one side of the desulfurization tower 1, the input end of the desulfurization circulating pump is communicated with the desulfurization liquid circulating tank through a desulfurization liquid circulating pipeline, and the output end of the desulfurization circulating pump is communicated with the desulfurization liquid spraying layer through a desulfurization liquid circulating pipeline;
the desulfurization tower 1 introduces the original flue gas, the original flue gas is desulfurized by utilizing the desulfurization liquid circulating tank, the desulfurization liquid spraying layer, the desulfurization demister and the hood partition plate, the desulfurized flue gas is subjected to primary dust removal by utilizing the hood partition plate, the cold water spraying layer and the dust removal demister, and the flue gas subjected to primary dust removal is output to the electrostatic dust removal device 3 through the gas outlet to be subjected to electrostatic dust removal, so that secondary dust removal is realized; meanwhile, the circulation water tank 2 continuously supplies cooling water to the desulfurization tower 1.
SO removal of raw flue gas in a desulfurizing tower 12Then, the flue gas is directly contacted with cold water fog drops, the temperature of the flue gas is rapidly reduced to be below a dew point, original fine particle solids in the flue gas become condensation cores of water to form a large amount of new fog drops, the fog drops collide with each other and coalesce with each other and grow continuously in the process of flowing upwards along with the airflow, and the fog drops are removed by a dust removal demister to realize primary dust removal of the desulfurized flue gas; fine particle dust with the particle size of more than 1 micron can be removed through primary dust removal, and fine particle dust with the particle size of 1 micron to 0.01 micron can be removed through secondary dust removal; through twice dust removal, the dust removal efficiency can be effectively improved, and the fine particle solid is prevented from being discharged under the condition that the fine particle solid does not form fog drops due to too fast air flow.
In the above embodiment, the electrostatic dust collector 3 includes the first pipe 3.1, the net 3.2 and the electrostatic generator 3.3, and the inner diameter of the front end of the first pipe 3.1 is larger than that of the rear end thereof; the net body 3.2 is horizontally arranged on the inner side of the rear end part of the first pipe body 3.1; an opening is formed in the bottom of the first pipe body 3.1 corresponding to the net body 3.2, and the net body 3.2 can be taken out through the opening; the electrostatic generator 3.3 is arranged below the first pipe body 3.1, the output end of the electrostatic generator 3.3 passes through an opening through a line to be communicated with the net body 3.2, and generates static electricity to be transmitted to the net body 3.2; the opening part is provided with the lid 3.4 that can close the opening, lid 3.4 with first body 3.1 can dismantle the connection.
The flue gas after primary dust removal enters the rear end part of the first pipe body 3.1 along the front end part of the first pipe body 3.1, when the flue gas enters the rear end part of the first pipe body 3.1, the internal volume of the rear end part of the first pipe body 3.1 is increased, so that the air pressure of the flue gas is reduced, the acting force of the flue gas on fine particle solids is reduced, and the fine particle solids are slowly settled onto the net body 3.2; meanwhile, the electrostatic generator 3.3 generates static electricity, so that the net body 3.2 is charged with static electricity, the adsorption effect of the net body 3.2 on fine particle solids is improved, the fine particle solids are accelerated to be settled onto the net body 3.2, secondary dust removal on flue gas is realized, fine particle dust with the particle size of 1-0.01 micrometer is effectively removed, and the dust removal efficiency is improved.
The cover body 3.4 is opened, the net body 3.2 is convenient to take out for cleaning, and the adsorption effect of the net body 3.2 on fine particle solids is guaranteed.
In the above embodiment, the cover 3.4 includes a plate-shaped magnet and a rubber sleeve, and the rubber sleeve is sleeved on the magnet; the cover body 3.4 is magnetically connected with the first pipe body 3.1.
The connecting circuit of the electrostatic generator 3.3 and the net body 3.2 passes through the rubber sleeve, and the cover body 3.4 is magnetically attracted on the first pipe body 3.1 through the magnet, so that the cover body 3.4 is convenient to disassemble and assemble; the gum cover can seal opening department, avoids the flue gas to flow out.
In the embodiment, the cooling tower 4 is further included, a cold air input port is arranged at the bottom of the cooling tower 4, and a hot air outlet is arranged at the top of the cooling tower 4; the cooling tower 4 is connected with the desulfurizing tower 1 and the circulating water tank 2 through a water pipe, the cooling tower 4 is connected with hot water generated by the desulfurizing tower 1, the hot water and cold air are subjected to heat exchange to obtain cold water, and the cold water is transmitted to the circulating water tank 2.
The cooling tower 4 can exchange heat between hot water and cold air generated by the desulfurizing tower 1, discharge hot air, circulate and introduce cold water into the circulating water tank 2, improve the subsequent white smoke removal efficiency, and realize the recycling of water.
In the above embodiment, the electrostatic dust collector further comprises a gas mixing device 5, and the output ends of the electrostatic dust collector 3 and the cooling tower 4 are both communicated with the input end of the gas mixing device 5; the electrostatic dust removal device 3 outputs the cold flue gas after dust removal to the gas mixing device 5, and the cooling tower 4 outputs the hot air after dust removal to the gas mixing device 5 for mixing, so that generated mixed gas is discharged to the atmosphere for mixing and white smoke removal.
The gas mixing device 5 can effectively and fully mix the hot gas output by the cooling tower 4 and the cold flue gas output by the electrostatic dust removal device 3, and the generation of white smoke is effectively reduced.
In the above embodiment, the gas mixing device 5 includes the second pipe 5.1 and the cylinder 5.2, and the input end of the second pipe 5.1 is communicated with the output ends of the electrostatic dust removal device 3 and the cooling tower 4; the outer diameter of the cylinder 5.2 is smaller than the inner diameter of the second pipe body 5.1, and the cylinder 5.2 is arranged on the inner side of the output end of the second pipe body 5.1;
one end of the cylinder 5.2, which is far away from the output end of the second pipe body 5.1, is closed, and one end of the cylinder, which is close to the output end of the second pipe body 5.1, is provided with an air outlet; the edge of the air outlet of the cylinder 5.2 is hermetically connected with the output end part of the second pipe body 5.1 through an annular sealing plate; a plurality of air inlets are arranged on the annular side wall of the cylinder body 5.2.
The cold flue gas of the steam of 4 outputs of cooling tower and 3 outputs of electrostatic precipitator device is imported through the input of second body 5.1, in a plurality of air inlets entering barrel 5.2 of barrel 5.2, because arrange on the annular lateral wall of a plurality of air inlets along barrel 5.2, make steam and cold flue gas through not equidirectional intensive mixing behind entering barrel 5.2, reduce the water content in the flue gas by a wide margin, make the water content in the flue gas far less than the water content on every side in the atmosphere, can fully eliminate white cigarette.
Example 2:
as shown in fig. 1 to 3, the method for removing dust, sulfur and white smoke with high efficiency comprises the following steps:
the circulating water tank 2 conveys water flow to the desulfurizing tower 1; the desulfurization tower 1 introduces raw flue gas, sprays water by utilizing water flow, and performs desulfurization and dust removal on the raw flue gas; the electrostatic dust collector 3 carries out electrostatic dust collection on the desulfurized and dedusted flue gas, and discharges the flue gas subjected to electrostatic dust collection.
A desulfurization liquid circulating pool, a desulfurization liquid spraying layer, a desulfurization demister, a hood partition plate, a cold water spraying layer and a dust removal demister are sequentially arranged in the desulfurization tower 1 from bottom to top, and an air outlet communicated with the interior of the desulfurization tower 1 is formed in the upper end of the desulfurization tower 1; a desulfurization circulating pump is arranged on one side of the desulfurization tower 1, the input end of the desulfurization circulating pump is communicated with the desulfurization liquid circulating tank through a desulfurization liquid circulating pipeline, and the output end of the desulfurization circulating pump is communicated with the desulfurization liquid spraying layer through a desulfurization liquid circulating pipeline;
the desulfurization tower 1 introduces the original flue gas, the original flue gas is desulfurized by utilizing the desulfurization liquid circulating tank, the desulfurization liquid spraying layer, the desulfurization demister and the hood partition plate, the desulfurized flue gas is subjected to primary dust removal by utilizing the hood partition plate, the cold water spraying layer and the dust removal demister, and the flue gas subjected to primary dust removal is output to the electrostatic dust removal device 3 through the gas outlet to be subjected to electrostatic dust removal, so that secondary dust removal is realized; meanwhile, the circulation water tank 2 continuously supplies cooling water to the desulfurization tower 1.
SO removal of raw flue gas in a desulfurizing tower 12Then, the flue gas is directly contacted with cold water fog drops, the temperature of the flue gas is rapidly reduced to be below a dew point, original fine particle solids in the flue gas become condensation cores of water to form a large amount of new fog drops, the fog drops collide with each other and coalesce with each other and grow continuously in the process of flowing upwards along with the airflow, and the fog drops are removed by a dust removal demister to realize primary dust removal of the desulfurized flue gas; fine particle dust with the particle size of more than 1 micron can be removed through primary dust removal, and fine particle dust with the particle size of 1 micron to 0.01 micron can be removed through secondary dust removal; through twice dust removal, the dust removal efficiency can be effectively improved, and the fine particle solid is prevented from being discharged under the condition that the fine particle solid does not form fog drops due to too fast air flow.
In the above embodiment, the method further includes the following steps: the desulfurization tower 1 is used for desulfurizing the raw flue gas to generate hot water, the cooling tower 4 is connected to the hot water generated by the desulfurization tower 1, the hot water and the cold air are subjected to heat exchange to obtain cold water, and the cold water is transmitted to the circulating water tank 2.
The cooling tower 4 can exchange heat between hot water and cold air generated by the desulfurizing tower 1, discharge hot air, circulate and introduce cold water into the circulating water tank 2, improve the subsequent white smoke removal efficiency, and realize the recycling of water.
In the above embodiment, the method further includes the following steps: the electrostatic dust removal device 3 outputs the cold flue gas after dust removal to the gas mixing device 5, and the cooling tower 4 outputs the hot air after dust removal to the gas mixing device 5 for mixing, so that generated mixed gas is discharged to the atmosphere for mixing and white smoke removal.
The gas mixing device 5 can effectively and fully mix the hot gas output by the cooling tower 4 and the cold flue gas output by the electrostatic dust removal device 3, and the generation of white smoke is effectively reduced.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. The efficient dust removal, desulfurization and white smoke removal device is characterized by comprising a desulfurization tower (1), a circulating water tank (2) and an electrostatic dust removal device (3), wherein the circulating water tank (2) is communicated with the desulfurization tower (1) through a water pipe, and the circulating water tank (2) conveys water flow to the desulfurization tower (1); the input end of the electrostatic dust collection device (3) is communicated with the output end of the desulfurizing tower (1); the desulfurization tower (1) introduces raw flue gas, and performs desulfurization and dust removal on the raw flue gas; and the electrostatic dust collection device (3) is used for carrying out electrostatic dust collection on the desulfurized and dedusted flue gas.
2. The high-efficiency dust-removing, sulfur-removing and white smoke-removing device according to claim 1, wherein the electrostatic dust-removing device (3) comprises a first pipe body (3.1), a net body (3.2) and an electrostatic generator (3.3), and the inner diameter of the front end part of the first pipe body (3.1) is larger than that of the rear end part thereof; the net body (3.2) is horizontally arranged on the inner side of the rear end part of the first pipe body (3.1); an opening is formed in the bottom of the first pipe body (3.1) corresponding to the net body (3.2), and the net body (3.2) can be taken out through the opening; the electrostatic generator (3.3) is arranged below the first pipe body (3.1), the output end of the electrostatic generator (3.3) passes through an opening through a line to be communicated with the net body (3.2), and generates static electricity to be transmitted to the net body (3.2); the opening part is provided with a cover body (3.4) capable of closing the opening, and the cover body (3.4) is detachably connected with the first pipe body (3.1).
3. The high-efficiency dust-removing, desulfurizing and white smoke removing device according to claim 2, wherein said cover body (3.4) comprises a plate-shaped magnet and a rubber sleeve, said rubber sleeve is sleeved on said magnet; the cover body (3.4) is connected with the first pipe body (3.1) in a magnetic attraction mode.
4. The high-efficiency dust-removing, desulfurizing and white smoke removing device according to claim 1, further comprising a cooling tower (4), wherein the bottom of the cooling tower (4) is provided with a cold air inlet, and the top of the cooling tower (4) is provided with a hot air outlet; the cooling tower (4) is connected with the desulfurizing tower (1) and the circulating water tank (2) through a water pipe, hot water generated by the desulfurizing tower (1) is connected into the cooling tower (4), the hot water and cold air are subjected to heat exchange to obtain cold water, and the cold water is transmitted to the circulating water tank (2).
5. The high-efficiency dust removal, desulfurization and white smoke removal device according to claim 4, further comprising a gas mixing device (5), wherein the output ends of the electrostatic dust removal device (3) and the cooling tower (4) are communicated with the input end of the gas mixing device (5); the electrostatic dust removal device (3) outputs the cold flue gas after dust removal to the gas mixing device (5), the cooling tower (4) outputs the hot air after dust removal to the gas mixing device (5) for mixing, and the generated mixed gas is discharged to the atmosphere for mixing and white smoke removal.
6. The high efficiency dust removal, desulfurization and whiting device of claim 5, characterized in that said gas mixing device (5) comprises a second tube (5.1) and a cylinder (5.2), the input end of said second tube (5.1) communicating with the output ends of said electrostatic precipitator device (3) and said cooling tower (4); the outer diameter of the cylinder (5.2) is smaller than the inner diameter of the second pipe body (5.1), and the cylinder (5.2) is arranged on the inner side of the output end of the second pipe body (5.1);
one end of the cylinder (5.2) far away from the output end of the second pipe body (5.1) is closed, and one end of the cylinder close to the output end of the second pipe body (5.1) is provided with an air outlet; the edge of the air outlet of the cylinder (5.2) is hermetically connected with the output end part of the second pipe body (5.1) through an annular sealing plate; a plurality of air inlets are arranged on the annular side wall of the cylinder body (5.2).
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| CN201921428246.3U CN210584270U (en) | 2019-08-30 | 2019-08-30 | High-efficient dust removal, desulfurization and take off white cigarette device |
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| CN201921428246.3U CN210584270U (en) | 2019-08-30 | 2019-08-30 | High-efficient dust removal, desulfurization and take off white cigarette device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110368770A (en) * | 2019-08-30 | 2019-10-25 | 福建永恒能源管理有限公司 | A kind of high-effective dust-removing, desulfurization and de- white cigarette device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110368770A (en) * | 2019-08-30 | 2019-10-25 | 福建永恒能源管理有限公司 | A kind of high-effective dust-removing, desulfurization and de- white cigarette device and method |
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Denomination of utility model: An efficient dust removal, desulfurization and white smoke removal device Effective date of registration: 20210317 Granted publication date: 20200522 Pledgee: Industrial Bank Limited by Share Ltd. Quanzhou branch Pledgor: FUJIAN ETERNAL ENERGY MANAGEMENT Co.,Ltd. Registration number: Y2021980001753 |