CN106111337B - Gas-solid two-phase flow dividing device for dust suppression of tail gas of electric dust remover - Google Patents
Gas-solid two-phase flow dividing device for dust suppression of tail gas of electric dust remover Download PDFInfo
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- CN106111337B CN106111337B CN201510678513.2A CN201510678513A CN106111337B CN 106111337 B CN106111337 B CN 106111337B CN 201510678513 A CN201510678513 A CN 201510678513A CN 106111337 B CN106111337 B CN 106111337B
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- 239000000428 dust Substances 0.000 title claims abstract description 68
- 239000007787 solid Substances 0.000 title claims abstract description 19
- 230000005514 two-phase flow Effects 0.000 title claims abstract description 15
- 230000001629 suppression Effects 0.000 title claims abstract description 14
- 230000005684 electric field Effects 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 239000012717 electrostatic precipitator Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract description 2
- 239000012716 precipitator Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 12
- 230000000903 blocking effect Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
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- Electrostatic Separation (AREA)
Abstract
The invention relates to a gas-solid two-phase flow divider for dust suppression of tail gas of an electric precipitator, which comprises a plurality of component gas-dust suppression gas-solid two-phase flow dividers (1) which are arranged between the tail of a tail electric field and a horn-shaped outlet in a parallel and matched mode, and is characterized in that: each group of the gas-separating dust-suppressing gas-solid two-phase flow dividing devices (1) is formed by alternately arranging and matching the purifying units (2) and the gas-separating units (3), and the purifying units (2) and the gas-separating units (3) on every two adjacent groups of the gas-separating dust-suppressing groove-shaped polar plates (1) are respectively and correspondingly matched in a staggered manner. The invention has the advantages that: the terminal dust suppression device of the electric dust collector has a simple structure, greatly improves the efficiency of the electric dust collector, provides a solution for ultralow emission of the electric dust collector, increases dust collection area, suppresses secondary dust emission, does not consume electricity, realizes separation of dust and gas by utilizing a hydrodynamic theory, fully utilizes the tail part of the electric dust collector and the inner space of an outlet horn, and has high cost performance.
Description
Technical Field
The invention relates to a dust collection device of an electric dust collector, in particular to a gas-solid two-phase flow distribution device for suppressing dust by gas at the tail part of the electric dust collector.
Background
Along with the improvement of dust emission environmental protection standard, the high-efficiency electric dust remover cannot consider the influence of secondary dust emission caused by vibration on emission concentration, and the tail end (the front end of an outlet horn) of the traditional electric dust remover generally adopts double-layer staggered groove-shaped polar plates, so that the dust removing efficiency is low, the resistance is high, the requirement of ultra-low emission of the electric dust remover cannot be met, and the improvement is needed.
Disclosure of Invention
The invention aims to solve the defects of low dust removal efficiency, high resistance and the like of a secondary dust removal plate at the tail part of the traditional electric dust remover, and provides a gas-solid two-phase flow dividing device for dust suppression of tail part gas of the electric dust remover.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a two-phase diverging device of gas-solid that electrostatic precipitator tail part gas presses down dirt, includes that a plurality of component gas presses down dirt gas-solid two-phase diverging device between electric field tail and loudspeaker formula export are installed in the cooperation side by side, its characterized in that: each group of the gas-separating dust-suppressing gas-solid two-phase flow dividing devices is formed by alternately arranging and matching the purifying units and the gas-separating units, and the purifying units and the gas-separating units on every two adjacent groups of the gas-separating dust-suppressing groove-shaped polar plates are respectively arranged in a staggered corresponding and matched mode.
On the basis of the technical scheme, the following further technical scheme is available:
the purification unit comprises a groove type dust suppression plate and a flat gas blocking blind plate, and the notch of the groove type dust suppression plate is reversely buckled on the gas blocking blind plate to form a dust suppression channel.
The groove type dust suppression plate is a grid pore plate made of metal and the like.
Each gas separation unit comprises a porous plate, the aperture ratio of the porous plate is not less than 50%, a group of guide vanes are fixed on the porous plate in a matched mode, and the minimum included angle between each guide vane and the porous plate is 30 degrees.
The invention has the beneficial effects that: the invention relates to a terminal dust suppression device of an electric dust collector, which is used for efficiently separating gas and dust, greatly improves the efficiency of the electric dust collector, provides a solution for ultralow emission of the electric dust collector, increases the dust collection area, calculates the dust collection area according to the unfolding area of the device, and calculates the related data by using a classical multi-Enoki formula of the electric dust collector, wherein the obtained area can be equal to the area of an anode plate; the device does not consume electricity, and the invention utilizes the characteristics of a dust-containing airflow field and the hydrodynamics theory to realize the separation of dust and gas; the invention fully utilizes the tail part of the electric dust collector and the internal space of the outlet horn, and has high cost performance.
Drawings
Fig. 1 is a basic structural view of the present invention.
Fig. 2 is a partially enlarged view of a of fig. 1.
Fig. 3 is a view showing the structure of the gas separation unit.
Detailed Description
As shown in fig. 1 and fig. 2, the gas-solid two-phase flow divider for dust suppression of tail gas of an electric precipitator provided by the invention comprises a plurality of component gas-dust suppression gas-solid two-phase flow divider 1 which are arranged in a shell 6 between the tail of a tail electric field and a horn-shaped outlet in a parallel and matched manner, and is characterized in that: each group of the gas-separating dust-suppressing gas-solid two-phase flow dividing devices 1 are respectively provided with a purifying unit 2 and a gas-separating unit 3 which are alternately arranged and matched, and each two adjacent groups of the purifying units 2 and the gas-separating units 3 on the gas-separating dust-suppressing groove-shaped polar plates 1 are respectively arranged in a staggered and corresponding matched mode, each purifying unit 2 is an independent flue gas purifying chamber, each purifying unit 2 comprises a groove-type dust suppressing plate 2a with a large end, the large end of the groove-type dust suppressing plate 2a is an open end and is fixed on the gas-suppressing blind plate 2b, the gas-suppressing blind plate 2b is a flat plate, the notch of the groove-type dust suppressing plate 2a is reversely buckled on the gas-suppressing blind plate 2b to form a dust suppressing channel, the groove-type dust suppressing plate 2a is a grid pore plate made of metal and the like, and because the air flow from the electrostatic chambers of the anode and the cathode generates a turbulent flow field in each purifying unit 2, the electrostatic chambers of the anode plate 4 and the cathode wire 5 are arranged along with the air, the dust from the electrostatic chambers of the anode plate and the cathode wire 5 are separated with the dust, the dust can fall down in a special dust-suppressing channel, the dust-suppressing dust-scattering channel is realized, and the dust-suppressing dust-scattering channel is enabled to fall down, and dust-scattering noise is reduced, and dust-suppressing dust-scattering can be carried out, and dust scattering can fall down on the dust collector has no effect on the dust-suppressing channel.
As shown in fig. 2 and 3, each gas-distributing unit 3 includes a porous plate 3a, the porous plate 3a is provided with a through hole 3c, the aperture ratio of the through hole is not less than 50%, the porous plate 3a and the gas-blocking blind plate 2b are alternately arranged into a flat plate, a group of guide vanes 3b are fixed on the porous plate 3a in a matching manner, each guide vane 3b forms a 30 ° angle with the minimum included angle between the porous plate 3a, and an air flow channel is formed, the air flow direction is consistent with the dust falling direction, and the air flow flows to the next purifying unit 2 and the gas-distributing unit 3 through the porous plate 3a of each row of gas-distributing units 3, so that dust emission is minimized.
The present invention is not limited to the above embodiments, and other structural designs obtained by adopting the same or similar structures as those of the above embodiments of the present invention are within the scope of the present invention.
Claims (3)
1. The utility model provides a two-phase diverging device of gas-solid that electrostatic precipitator tail part gas presses down dirt, includes a plurality of component gas presses down dirt gas-solid two-phase diverging device (1) that install between last electric field afterbody and loudspeaker formula export of cooperation side by side, its characterized in that: each group of gas-separating dust-suppressing gas-solid two-phase flow dividing devices (1) are formed by alternately arranging and matching purifying units (2) and gas-separating units (3), each two adjacent groups of gas-separating dust-suppressing gas-solid two-phase flow dividing devices (1) are respectively arranged in a staggered corresponding matching mode, each purifying unit (2) comprises a groove type dust suppressing plate (2 a) and a flat type dust suppressing blind plate (2 b), the notch of each groove type dust suppressing plate (2 a) is reversely buckled on the corresponding dust suppressing blind plate (2 b) to form a dust suppressing channel at the tail end of an anode plate, a group of guide vanes (3 b) are fixedly matched on a porous plate (3 a) of each gas-separating unit (3), and the minimum included angle between each guide vane (3 b) and the corresponding porous plate (3 a) is 30 degrees.
2. The gas-solid two-phase flow dividing device for suppressing dust by tail gas of electric dust remover according to claim 1, which is characterized in that: the groove type dust suppression plate (2 a) is a grid pore plate made of metal.
3. The gas-solid two-phase flow dividing device for suppressing dust by tail gas of electric dust remover according to claim 1, which is characterized in that: the aperture ratio of the porous plate is not less than 50%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510678513.2A CN106111337B (en) | 2015-11-29 | 2015-11-29 | Gas-solid two-phase flow dividing device for dust suppression of tail gas of electric dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510678513.2A CN106111337B (en) | 2015-11-29 | 2015-11-29 | Gas-solid two-phase flow dividing device for dust suppression of tail gas of electric dust remover |
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| Publication Number | Publication Date |
|---|---|
| CN106111337A CN106111337A (en) | 2016-11-16 |
| CN106111337B true CN106111337B (en) | 2023-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510678513.2A Active CN106111337B (en) | 2015-11-29 | 2015-11-29 | Gas-solid two-phase flow dividing device for dust suppression of tail gas of electric dust remover |
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| CN (1) | CN106111337B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108554633B (en) * | 2018-04-08 | 2019-11-29 | 浙江多依奇环境科技有限公司 | A kind of high-efficiency electrostatic dust remover |
| CN111921712B (en) * | 2020-09-09 | 2022-11-08 | 广西梧州市永鑫环保科技有限公司 | Low-wind-resistance anti-return-air wet electrostatic dust collector |
| CN113731091B (en) * | 2021-09-13 | 2022-07-19 | 清华大学 | Asymmetric electrostatic enhancement electric bag coupling dust remover |
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|---|---|---|---|---|
| RU2039608C1 (en) * | 1993-12-24 | 1995-07-20 | Товарищество с ограниченной ответственностью "Элстат" | Two-zoned electric filter for cleaning air from aerosol and toxic gases |
| CN101199951A (en) * | 2006-12-15 | 2008-06-18 | 福建闽泰环保有限公司 | Configuration scheme of lens style high voltage electrostatic dust collection electric field |
| CN201493168U (en) * | 2009-08-29 | 2010-06-02 | 襄樊九鼎昊天环保设备有限公司 | High-voltage insulation porcelain bottle protecting device of electrical tar precipitator |
| CN101934249A (en) * | 2009-07-01 | 2011-01-05 | 仲纪东 | High-efficiency electrostatic precipitator |
| CN103623926A (en) * | 2012-08-28 | 2014-03-12 | 乌鲁木齐德旺源鑫节能环保科技有限公司 | Electrical tar precipitator |
| CN103878063A (en) * | 2014-04-10 | 2014-06-25 | 江苏天洁环境工程有限公司 | Breeze electrical dust remover |
| CN104888966A (en) * | 2015-04-02 | 2015-09-09 | 北京聚易蓝天环保科技有限公司 | Flow equalization-type electrostatic dust collector |
-
2015
- 2015-11-29 CN CN201510678513.2A patent/CN106111337B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2039608C1 (en) * | 1993-12-24 | 1995-07-20 | Товарищество с ограниченной ответственностью "Элстат" | Two-zoned electric filter for cleaning air from aerosol and toxic gases |
| CN101199951A (en) * | 2006-12-15 | 2008-06-18 | 福建闽泰环保有限公司 | Configuration scheme of lens style high voltage electrostatic dust collection electric field |
| CN101934249A (en) * | 2009-07-01 | 2011-01-05 | 仲纪东 | High-efficiency electrostatic precipitator |
| CN201493168U (en) * | 2009-08-29 | 2010-06-02 | 襄樊九鼎昊天环保设备有限公司 | High-voltage insulation porcelain bottle protecting device of electrical tar precipitator |
| CN103623926A (en) * | 2012-08-28 | 2014-03-12 | 乌鲁木齐德旺源鑫节能环保科技有限公司 | Electrical tar precipitator |
| CN103878063A (en) * | 2014-04-10 | 2014-06-25 | 江苏天洁环境工程有限公司 | Breeze electrical dust remover |
| CN104888966A (en) * | 2015-04-02 | 2015-09-09 | 北京聚易蓝天环保科技有限公司 | Flow equalization-type electrostatic dust collector |
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| CN106111337A (en) | 2016-11-16 |
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