CN212348206U - Dust and mist eliminator with negative ion generator - Google Patents
Dust and mist eliminator with negative ion generator Download PDFInfo
- Publication number
- CN212348206U CN212348206U CN202021421403.0U CN202021421403U CN212348206U CN 212348206 U CN212348206 U CN 212348206U CN 202021421403 U CN202021421403 U CN 202021421403U CN 212348206 U CN212348206 U CN 212348206U
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- generating device
- negative ion
- dust
- unit
- flow guide
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- 239000000428 dust Substances 0.000 title claims abstract description 36
- 239000003595 mist Substances 0.000 title claims abstract description 16
- 150000002500 ions Chemical class 0.000 claims abstract description 28
- 150000001450 anions Chemical class 0.000 claims abstract description 23
- 239000003546 flue gas Substances 0.000 claims abstract description 23
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 20
- 230000023556 desulfurization Effects 0.000 claims abstract description 20
- 238000010521 absorption reaction Methods 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 239000002002 slurry Substances 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 239000000779 smoke Substances 0.000 abstract description 7
- 238000009833 condensation Methods 0.000 abstract description 2
- 230000005494 condensation Effects 0.000 abstract description 2
- 230000003009 desulfurizing effect Effects 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 229910052602 gypsum Inorganic materials 0.000 description 5
- 239000010440 gypsum Substances 0.000 description 5
- 238000011010 flushing procedure Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Abstract
The utility model relates to a dust and mist eliminator with an anion generating device, which comprises a unit cylinder, a rotational flow guide vane and an anion generating device; the desulfurization absorption tower is internally provided with unit cylinders which are arranged closely, and the unit cylinders are arranged above the uppermost desulfurization slurry spraying layer; the unit cylinders are cylinders which are installed along the flowing direction of flue gas and have smooth inner and outer walls, a plurality of stages of rotational flow guide vanes are sequentially arranged in each unit cylinder from bottom to top, and negative ion generating devices are arranged between the rotational flow guide vanes or below the first stage of rotational flow guide vanes; the unit cylinders are closely arranged in a rectangular or triangular shape; the unit cylinder is vertically arranged on a supporting steel grid in the desulfurization absorption tower. The utility model has the advantages that: the utility model discloses set up whirl stator and anion generating device, effectively combined multiple modes such as centrifugal separation, anion condensation and carried out the flue gas and handle, the dust removal defogging is effectual, can effectively reduce smoke and dust, droplet concentration in the desulfurizing tower export flue gas.
Description
Technical Field
The utility model belongs to the technical field of flue gas purification, concretely relates to take anion generating device's dust removal defroster.
Background
The problem of air pollution is one of the serious environmental problems faced in the development process of the economic society. China has the first coal yield in the world and can prove that the reserves are the second in the world. Therefore, the coal is in an absolute main status in the energy structure of China and cannot be changed in a short time. Smoke and SO produced by coal combustion2And the like are one of the main causes of atmospheric pollution such as haze, acid rain and the like. China also pays more and more attention to the problem of treatment of atmospheric pollution, and control of the emission of pollutants in coal-fired power plants plays an important role in improving the atmospheric environment.
At present, the limestone-gypsum wet flue gas desulfurization technology is widely adopted in China to remove SO in flue gas2The technology is mature and high in removal efficiency, but the clean flue gas after desulfurization contains fog drops, gypsum particles and smoke dust, so that gypsum rain and smoke dust pollution are easily caused. The conventional demister can be used for trapping liquid drops entrained in the desulfurized flue gas, butThe emission concentration of gypsum particles and smoke dust cannot be effectively reduced; the tube bundle type dust remover has low operation stability, low dust removal effect under low load and low load adaptability; the wet electrostatic dust collector has high dust collection efficiency and can effectively collect gypsum particles and smoke dust in the desulfurized clean flue gas, but the wet electrostatic dust collector has high investment cost, high operating cost and large floor area.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough among the prior art, provide a flue gas dust removal defroster that dust collection efficiency is high, the operation energy consumption is low, strong adaptability.
The dust and mist eliminator with the negative ion generating device comprises a unit cylinder, a rotational flow guide vane and the negative ion generating device; the desulfurization absorption tower is internally provided with unit cylinders which are arranged closely, and the unit cylinders are arranged above the uppermost desulfurization slurry spraying layer; the unit cylinder bodies are cylinders which are installed along the flowing direction of flue gas and have smooth inner and outer walls, a plurality of stages of rotational flow guide vanes are sequentially arranged in each unit cylinder body from bottom to top, and negative ion generating devices are arranged between the rotational flow guide vanes or below the first stage of rotational flow guide vanes.
Preferably, the method comprises the following steps: the unit cylinders are closely arranged in a rectangular or triangular shape; the unit cylinder is vertically arranged on a supporting steel grid in the desulfurization absorption tower.
Preferably, the method comprises the following steps: at least two stages of swirl guide vanes are arranged in the unit cylinder.
Preferably, the method comprises the following steps: the negative ion generating device is arranged between the first-stage and second-stage rotational flow guide vanes or below the first-stage rotational flow guide vanes.
Preferably, the method comprises the following steps: the negative ion generating device is made of corrosion-resistant materials.
Preferably, the method comprises the following steps: the negative ion generating device is composed of a negative ion generator and a wind power generating device, the wind power generating device is positioned below the negative ion generator, and the negative ion generator is connected with the wind power generating device.
Preferably, the method comprises the following steps: still be provided with the wash water system in the unit barrel, round hole and buckle are all left at anion generating device center and whirl stator center, and the wash water pipe of wash water system passes the round hole and fixes through the buckle.
Preferably, the method comprises the following steps: gaps between the unit cylinder bodies and the wall of the desulfurization absorption tower and gaps between the unit cylinder bodies are plugged by blind plates, and the blind plates are made of the same material as the unit cylinder bodies.
The utility model has the advantages that:
1. the utility model discloses set up whirl stator and anion generating device, effectively combined multiple modes such as centrifugal separation, anion condensation and carried out the flue gas and handle, the dust removal defogging is effectual, can effectively reduce smoke and dust, droplet concentration in the desulfurizing tower export flue gas, satisfies ultralow emission requirement, provides a new process equipment for the dust removal defogging of saturated wet flue gas after the desulfurization.
2. The utility model discloses set up the unit barrel in the desulfurization absorption tower, set up whirl stator and anion generator in the unit barrel, simple structure, operation maintenance are convenient, still are provided with the sparge water in the unit barrel for equipment scale deposit risk is little.
3. The utility model discloses install and spray the layer top at the absorption tower thick liquid, installation, maintenance convenience.
Drawings
FIG. 1 is a schematic diagram of the arrangement of the unit cylinders according to the present invention;
fig. 2 is a schematic structural view of the dust and mist eliminator with the anion generator of the present invention.
Description of reference numerals: 1-desulfurizing absorption tower wall; 2-unit cylinder; 3-swirl guide vanes; 4-a negative ion generating device; 41-negative ion generator; 42-a wind power plant; 5-flushing water system.
Detailed Description
The present invention will be further described with reference to the following examples. The following description of the embodiments is merely provided to aid in understanding the invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
As an embodiment, the dust and mist removal device with the negative ion generating device is arranged in the desulfurization absorption tower and is installed above the uppermost desulfurization slurry spraying layer, and the desulfurized saturated wet flue gas flows through the flue gas dust and mist removal device from bottom to top; the dust and mist removing device consists of a plurality of unit cylinders 2 for removing dust and mist, the unit cylinders 2 are closely arranged in a rectangular or triangular shape, and the unit cylinders 2 are vertically arranged on a supporting steel grating in the desulfurization absorption tower; the unit cylinder bodies 2 are cylinders which are installed along the flowing direction of flue gas and have smooth inner and outer walls, multistage cyclone guide vanes 3 (which are gradually increased from bottom to top) are sequentially arranged in each unit cylinder body 2 from bottom to top, and negative ion generating devices 4 are arranged between the cyclone guide vanes 3 or below the first-stage cyclone guide vanes 3.
At least two stages of swirl guide vanes 3 are arranged in the unit cylinder body 2.
The anion generating device 4 is arranged between the first-stage and second-stage cyclone guide vanes 3 or below the first-stage cyclone guide vanes 3, in order to avoid flue gas corrosion, the anion generating device 4 is made of corrosion-resistant materials, and the flue gas flow velocity passing through the anion generating device 4 is 6 m/s.
The anion generating device 4 is composed of an anion generator 41 and a wind power generating device 42, the wind power generating device 42 is positioned below the anion generator 41, and the anion generator 41 is connected with the wind power generating device 42. The wind power generation device 42 converts the residual pressure of the desulfurized clean flue gas into electric energy, and in order to ensure the safety of the system, the wind power generation device 42 outputs direct current with the voltage not greater than 24V.
The flue gas dust removal defroster is also provided with a flushing system 5 for flushing the rotational flow guide vane 3 and the negative ion generating device 4. Round holes and buckles are reserved in the center of the negative ion generating device 4 and the center of the rotational flow guide vane 3 and used for the flushing water pipe to penetrate and fix.
Gaps between the flue gas dust removal demister and the desulfurization absorption tower wall 1 and between the unit cylinders 2 are plugged by blind plates, and the blind plates are made of the same material as the unit cylinders 2.
The equipment of this patent running resistance is low, and its pressure drop generally does not exceed 400Pa, and the draught fan energy consumption is little, effectively reduces desulfurization system running cost.
Claims (8)
1. The utility model provides a take anion generating device's dust removal defroster which characterized in that: comprises a unit cylinder (2), a rotational flow guide vane (3) and a negative ion generating device (4); the desulfurization absorption tower is internally provided with unit cylinders (2) which are closely arranged, and the unit cylinders (2) are arranged above the uppermost desulfurization slurry spraying layer; the unit cylinder bodies (2) are cylinders which are installed along the flowing direction of flue gas and have smooth inner and outer walls, a plurality of stages of rotational flow guide vanes (3) are sequentially arranged in each unit cylinder body (2) from bottom to top, and negative ion generating devices (4) are arranged between the rotational flow guide vanes (3) or below the first stage of rotational flow guide vanes (3).
2. The dust and mist eliminator with negative ion generating device according to claim 1, wherein: the unit cylinders (2) are closely arranged in a rectangular or triangular shape; the unit cylinder (2) is vertically arranged on a supporting steel grid in the desulfurization absorption tower.
3. The dust and mist eliminator with negative ion generating device according to claim 1, wherein: at least two stages of swirl guide vanes (3) are arranged in the unit cylinder body (2).
4. The dust and mist eliminator with negative ion generating device according to claim 1, wherein: the negative ion generating device (4) is arranged between the first-stage and second-stage rotational flow guide vanes (3) or below the first-stage rotational flow guide vanes (3).
5. The dust and mist eliminator with negative ion generating device according to claim 1, wherein: the negative ion generating device (4) is made of corrosion-resistant materials.
6. The dust and mist eliminator with negative ion generating device according to claim 1, wherein: the anion generating device (4) is composed of an anion generator (41) and a wind power generating device (42), the wind power generating device (42) is positioned below the anion generator (41), and the anion generator (41) is connected with the wind power generating device (42).
7. The dust and mist eliminator with negative ion generating device according to claim 1, wherein: still be provided with wash water system (5) in unit barrel (2), round hole and buckle are all left at anion generating device (4) center and whirl stator (3) center, and the wash water pipe of wash water system (5) passes the round hole and fixes through the buckle.
8. The dust and mist eliminator with negative ion generating device according to claim 1, wherein: gaps between the unit cylinder bodies (2) and the desulfurization absorption tower wall (1) and gaps between the unit cylinder bodies (2) are plugged by blind plates, and the blind plates are made of the same material as the unit cylinder bodies (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021421403.0U CN212348206U (en) | 2020-07-17 | 2020-07-17 | Dust and mist eliminator with negative ion generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021421403.0U CN212348206U (en) | 2020-07-17 | 2020-07-17 | Dust and mist eliminator with negative ion generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212348206U true CN212348206U (en) | 2021-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021421403.0U Active CN212348206U (en) | 2020-07-17 | 2020-07-17 | Dust and mist eliminator with negative ion generator |
Country Status (1)
| Country | Link |
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| CN (1) | CN212348206U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111841219A (en) * | 2020-07-17 | 2020-10-30 | 浙江天地环保科技股份有限公司 | Dust and mist eliminator with negative ion generating device |
-
2020
- 2020-07-17 CN CN202021421403.0U patent/CN212348206U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111841219A (en) * | 2020-07-17 | 2020-10-30 | 浙江天地环保科技股份有限公司 | Dust and mist eliminator with negative ion generating device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 310012 99 Huaxing Road, Xihu District, Hangzhou, Zhejiang (Hangzhou Neusoft business building) Patentee after: Zhejiang Zheneng Technology Environmental Protection Group Co.,Ltd. Country or region after: China Address before: 310012 99 Huaxing Road, Xihu District, Hangzhou, Zhejiang (Hangzhou Neusoft business building) Patentee before: Zhejiang Tiandi Environmental Protection Technology Co.,Ltd. Country or region before: China |