CN108772201B - Electric demister - Google Patents
Electric demister Download PDFInfo
- Publication number
- CN108772201B CN108772201B CN201810746151.XA CN201810746151A CN108772201B CN 108772201 B CN108772201 B CN 108772201B CN 201810746151 A CN201810746151 A CN 201810746151A CN 108772201 B CN108772201 B CN 108772201B
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- Prior art keywords
- arc
- shaped
- guide plate
- flue gas
- shaped guide
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- 239000000779 smoke Substances 0.000 claims abstract description 78
- 238000009827 uniform distribution Methods 0.000 claims abstract description 61
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 77
- 239000003546 flue gas Substances 0.000 claims description 77
- 238000009826 distribution Methods 0.000 claims description 36
- 239000003595 mist Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 17
- 239000002245 particle Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000617 Mangalloy Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/36—Controlling flow of gases or vapour
- B03C3/361—Controlling flow of gases or vapour by static mechanical means, e.g. deflector
- B03C3/363—Controlling flow of gases or vapour by static mechanical means, e.g. deflector located before the filter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/41—Ionising-electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/04—Ionising electrode being a wire
Landscapes
- Electrostatic Separation (AREA)
Abstract
The invention discloses an electric demister, which comprises a smoke box, wherein a cathode line extending along a y direction and a smoke flow uniform distribution device positioned at the upstream of the cathode line are arranged in the smoke box; each smoke flow uniformly-distributing device comprises a first arc-shaped guide plate and a second arc-shaped guide plate which are convex in opposite directions, and also comprises an arc-shaped flow dividing plate which is convex towards the smoke inlet side, wherein the lengths of the first arc-shaped guide plate, the second arc-shaped guide plate and the arc-shaped flow dividing plate extend along the y direction; each smoke flow uniformly distributing device is characterized in that two horizontal sections of the arc-shaped flow dividing plate are respectively connected with one horizontal section of the first arc-shaped flow dividing plate and one horizontal section of the second arc-shaped flow dividing plate; the first arc-shaped guide plate and the second arc-shaped guide plate respectively correspond to a cathode line, and the circle centers of the cross sections of the first arc-shaped guide plate and the second arc-shaped guide plate are respectively positioned on the axes of the corresponding cathode lines. The electric demister can uniformly charge dust and fog drop particles, avoids turbulence caused by uneven charge, and achieves the effect of uniformly distributing smoke flow.
Description
Technical Field
The invention relates to the technical field of flue gas dust removal and demisting, in particular to an electric demister.
Background
Along with the improvement of the flue gas emission standard, the requirements on the dedusting and demisting efficiency of the electric demister are also higher and higher. Currently, the mainstream means to improve the dust and mist removal efficiency of an electric mist eliminator is to improve the uniformity of the inlet flue gas flow distribution.
In the prior art, a common way for improving the distribution uniformity of the inlet flue gas flow is a flow blocking way, when the flow blocking way is adopted, a rectifying hole needs to be formed, and the aperture ratio and the aperture shape are difficult to select. Therefore, the ideal flue gas flow distribution effect is difficult to achieve by adopting the flow blocking mode, and the electric demister cannot achieve the ideal dedusting and demisting efficiency.
In view of this, how to develop an electric demister to achieve an ideal flue gas flow distribution effect and an ideal dedusting and demisting efficiency by adopting a new mode different from the flow blocking mode is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In order to solve the technical problems, the invention provides an electric demister, which comprises a smoke box, wherein a cathode line extending along a y direction and a smoke flow uniform distribution device positioned at the upstream of the cathode line are arranged in the smoke box; each smoke flow uniformly-distributing device comprises a first arc-shaped guide plate and a second arc-shaped guide plate which are convex in opposite directions, and also comprises an arc-shaped flow dividing plate which is convex towards the smoke inlet side, wherein the lengths of the first arc-shaped guide plate, the second arc-shaped guide plate and the arc-shaped flow dividing plate extend along the y direction;
Each smoke flow uniformly-distributing device is characterized in that two horizontal sections of the arc-shaped flow dividing plate are respectively connected with one horizontal section of the first arc-shaped flow dividing plate and one horizontal section of the second arc-shaped flow dividing plate; the first arc-shaped guide plate and the second arc-shaped guide plate respectively correspond to one cathode line, and the circle centers of the cross sections of the first arc-shaped guide plate and the second arc-shaped guide plate are respectively positioned on the axes of the corresponding cathode lines.
Optionally, each of the flue gas flow uniform distribution devices is connected with the other horizontal section of the first arc-shaped guide plate and the other horizontal section of the second arc-shaped guide plate.
Optionally, the cross-sectional radii of the first arc-shaped guide plate, the second arc-shaped guide plate and the arc-shaped flow dividing plate of each flue gas flow uniform distribution device are the same.
Optionally, each flue gas flow uniform distribution device is provided with the first arc-shaped guide plate, the second arc-shaped guide plate and the arc-shaped guide plate which are all made of wear-resistant metal materials or corrosion-resistant nonmetal materials.
Optionally, two length ends of each flue gas flow uniform distribution device are respectively connected with an end frame, and each end frame is fixedly connected to the side wall of the flue box.
Optionally, an anode plate is further arranged in the smoke box, and the anode plate is positioned at the downstream of the cathode line.
Optionally, two or more flue gas flow uniform distribution devices are arranged in the flue box, and the flue gas flow uniform distribution devices are arranged at intervals along the x direction; adjacent said flue gas stream distribution means, said first arcuate baffle of one being adjacent said second arcuate baffle of the other; wherein the x-direction and the y-direction are perpendicular to each other.
Optionally, each adjacent first arc-shaped baffle and each adjacent second arc-shaped baffle correspond to the same cathode line, and the cross-sectional radii of each adjacent first arc-shaped baffle and each adjacent second arc-shaped baffle are the same.
Optionally, each flue gas flow uniform distribution device is arranged at equal intervals along the x direction.
Optionally, the number of the anode plates is consistent with the number of the flue gas flow uniformly distributing devices, the anode plates are also arranged at intervals along the x direction, and each anode plate is aligned with one flue gas flow uniformly distributing device.
According to the electric demister provided by the invention, under the action of the arc-shaped flow dividing plates of the flue gas flow uniform distribution device, flue gas flows along the first arc-shaped flow dividing plates and the second arc-shaped flow dividing plates of the flue gas flow uniform distribution device. Because the circle center of the cross section of the first arc-shaped guide plate of the flue gas flow uniform distribution device is positioned on the axis of the corresponding cathode line, and the circle center of the cross section of the second arc-shaped guide plate is also positioned on the axis of the corresponding cathode line, the electric potentials of the positions of the first arc-shaped guide plate and the electric potentials of the positions of the second arc-shaped guide plate of the flue gas flow uniform distribution device are consistent. Therefore, the electric charge of the dust and the fog drop particles flowing through the first arc-shaped guide plate is consistent, and the electric charge of the dust and the fog drop particles flowing through the second arc-shaped guide plate is also consistent.
In addition, the electric demister provided by the invention is preferably provided with two or more flue gas flow uniformly-distributing devices, and at the moment, flue gas flows along the first arc-shaped guide plate and the second arc-shaped guide plate adjacent to the first arc-shaped guide plate. Because the cross section radiuses of the adjacent first arc-shaped guide plates and the second arc-shaped guide plates are the same and the circle centers of the cross sections are positioned on the axis of the same cathode line, the electric potential on the first arc-shaped guide plates is consistent with the electric potential on the second arc-shaped guide plates adjacent to the first arc-shaped guide plates. Therefore, the charge of the dust and the fog drop particles flowing through the first arc-shaped guide plate is consistent with the charge of the dust and the fog drop particles flowing through the second arc-shaped guide plate adjacent to the first arc-shaped guide plate.
Because the electric field force of no interaction exists between the dust and the fog drop particles with the same charge quantity, the dust and the fog drop particles can not generate irregular movement due to the electric field force, thereby avoiding the flue gas flow disorder caused by the uneven charge of the dust and the fog drop particles and improving the uniformity of the flue gas flow distribution.
The electric demister provided by the invention achieves the purpose of improving the distribution uniformity of the flue gas flow by adopting a mode of uniformly charging dust and fog drop particles, avoids the defect that the aperture ratio and the aperture shape are difficult to select in the traditional flow blocking mode, is more convenient to implement, and is easier to achieve the ideal flue gas flow uniform distribution effect and the ideal dust removal and demisting efficiency.
Drawings
FIG. 1 is a schematic front view of an embodiment of an electrical mist eliminator according to the present invention;
FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;
Fig. 3 is a schematic diagram of a flue gas flow path.
Wherein reference numerals in fig. 1 to 3 are explained as follows:
1a flue gas flow uniform distribution device, 11 a first arc-shaped guide plate, 12 a second arc-shaped guide plate, 13 an arc-shaped guide plate, 5 end frames, 2 cathode lines, 3 anode plates and 4 smoke boxes;
1a first smoke flow uniform distribution device, 1b a second smoke flow uniform distribution device, 1c a third smoke flow uniform distribution device, 1d a fourth smoke flow uniform distribution device and 1e a fifth smoke flow uniform distribution device;
2a first cathode line, 2b second cathode line, 2c third cathode line, 2d fourth cathode line.
Detailed Description
In order to make the technical scheme of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.
It should be noted that, the upstream and downstream are both relative to the flow direction of the flue gas, and the position through which the flue gas flows is upstream and the position through which the flue gas flows is downstream. In addition, the terms of upper, lower, left, right, etc. are all based on the view angle in the drawings, and are only for convenience of description, and should not be construed as limiting the technical solution.
Referring to fig. 1 to 2, fig. 1 is a schematic front view of an embodiment of an electric mist eliminator according to the present invention; fig. 2 is a cross-sectional view taken along A-A of fig. 1.
As shown in the figure, the present invention provides an electric demister comprising a smoke box 4, a smoke flow uniform distribution device 1 located inside the smoke box 4, a cathode line 2 and an anode plate 3 extending in the y direction (i.e., left-right direction in fig. 2), wherein the smoke flow uniform distribution device 1 is located upstream of the cathode line 2, and the anode plate 3 is located downstream of the cathode line 2. The smoke box 4 includes both a generally horn-shaped inlet smoke box portion and a generally rectangular parallelepiped-shaped housing portion in communication with the inlet smoke box portion, and the smoke flows from the inlet smoke box portion to the housing portion, and in a specific embodiment, the smoke flows from the lower side to the upper side.
Specifically, two length ends of each smoke flow uniform distribution device 1 are respectively connected with an end frame 5, and each end frame 5 is fixedly connected to the side wall of the smoke box 4. More specifically, one end of the end frame 5 extends into the smoke flow uniform distribution device 1 from the end face of the corresponding smoke flow uniform distribution device 1, and the other end is fixedly connected to the side wall of the smoke box 4 through a clamp or a bolt.
Specifically, two or more smoke flow uniform distribution devices 1 are preferably disposed in the smoke box 4, and it should be understood that the number of the smoke flow uniform distribution devices 1 may be configured according to practical application requirements.
The structure of the single flue gas flow distribution device 1 will be described in detail below:
Each flue gas flow distribution device 1 comprises a first arc-shaped flow guide plate 11 with a length extending in the y-direction, a second arc-shaped flow guide plate 12 with a length extending in the y-direction, and an arc-shaped flow distribution plate 13 with a length extending in the y-direction. Wherein the first arc-shaped guide plate 11 and the second arc-shaped guide plate 12 are protruded in opposite directions, and the arc-shaped flow dividing plate 13 is protruded to the smoke inlet side (lower side in the drawing).
And, every flue gas flow equipartition device 1, its arc flow divider 13 two horizontal sections link to each other with one horizontal section of its first arc guide plate 11 and another horizontal section of its second arc guide plate 12 respectively. As will be appreciated in connection with fig. 1, the left horizontal section of the arc-shaped splitter plate 13 of each flue gas flow distribution device 1 is connected to the lower horizontal section of the first arc-shaped splitter plate 11, and the right horizontal section is connected to the lower horizontal section of the second arc-shaped splitter plate 12.
In addition, each smoke flow uniformly distributing device 1, the first arc-shaped guide plate 11 corresponds to one cathode line 2, the second arc-shaped guide plate 12 corresponds to the other cathode line 2, and the circle centers of the cross sections of the two arc-shaped guide plates are respectively positioned on the axes of the corresponding cathode lines 2. The arrangement is that the electric potential of each position of the first arc-shaped guide plate 11 of each smoke flow uniform distribution device 1 is consistent, and the electric potential of each position of the second arc-shaped guide plate 12 is also consistent. Therefore, the electric charge of the dust and the mist particles flowing through the first arc-shaped deflector 11 is uniform, and the electric charge of the dust and the mist particles flowing through the second arc-shaped deflector 12 is uniform.
When configured as described above, the flue gas flow path may specifically refer to fig. 3, and fig. 3 is a schematic diagram of the flue gas flow path.
As shown by the dashed lines in fig. 3: under the diversion and diversion effect of the arc diversion plate 13, one part of the smoke flowing to the arc diversion plate 13 of the smoke flow uniform distribution device 1 flows along the first arc diversion plate 11 of the smoke flow uniform distribution device 1, and the other part flows along the second arc diversion plate 12 of the smoke flow uniform distribution device 1.
Therefore, the smoke is split and guided by the arc splitter plate 13, so that the smoke flows along the first arc guide plate 11 and the second arc guide plate 12 of the smoke flow uniform distribution device 1 as much as possible, and the effect that the first arc guide plate 11 and the second arc guide plate 12 uniformly charge dust and fog drops can be fully exerted.
Preferably, the other horizontal section (upper horizontal section in the drawing) of the first arc-shaped guide plate 11 of each smoke flow uniform distribution device 1 is connected with the other horizontal section (upper horizontal section in the drawing) of the second arc-shaped plate, so that the smoke flow uniform distribution device 1 is in an approximately hollow triangular prism structure as a whole. The arrangement makes the overall structure of the flue gas flow uniform distribution device 1 compact and firm, and moreover, as the overall structure of the flue gas flow uniform distribution device 1 is hollow, the consumed materials can be effectively saved, and the lightweight of the electric demister is facilitated.
Preferably, the radius of the cross section of each smoke flow uniform distribution device 1, the first arc-shaped guide plate 11, the second arc-shaped guide plate 12 and the arc-shaped flow dividing plate 13 thereof are the same. The arrangement is convenient for the processing and manufacturing of the smoke flow uniform distribution device 1, and is beneficial to saving the processing and manufacturing cost of the smoke flow uniform distribution device 1.
Specifically, each smoke flow uniform distribution device 1, the first arc-shaped guide plate 11, the second arc-shaped guide plate 12 and the arc-shaped flow dividing plate 13 thereof may be made of wear-resistant metal materials, such as manganese steel materials, or may be made of corrosion-resistant nonmetallic materials, such as conductive glass fiber reinforced plastics materials. In particular, the method can be reasonably selected according to application occasions.
Next, the following specifically describes the arrangement condition of each smoke flow uniform distribution device 1 in the smoke box 4 when two or more smoke flow uniform distribution devices 1 are provided:
When two or more smoke flow uniform distribution devices 1 are provided, each smoke flow uniform distribution device 1 is arranged at intervals along the x direction (i.e. the left-right direction in fig. 1 and the y direction are perpendicular), so that the smoke entering the smoke box 4 flows into the arrangement interval between the adjacent smoke flow uniform distribution devices 1. Preferably, the flue gas flow distribution devices 1 are equally spaced along the x-direction. By the arrangement, the flow of the flue gas passing through each interval is basically consistent, so that the uniformity of the flue gas flow is improved.
In a specific embodiment, five flue gas flow uniform distribution devices 1 are provided, namely a first flue gas flow uniform distribution device 1a, a second flue gas flow uniform distribution device 1b, a third flue gas flow uniform distribution device 1c, a fourth flue gas flow uniform distribution device 1d and a fifth flue gas flow uniform distribution device 1e from left to right.
And, the adjacent flue gas flow uniform distribution device 1, the first arc-shaped guide plate 11 of one is adjacent to the second arc-shaped guide plate 12 of the other. The first smoke flow uniform distribution device 1a and the second smoke flow uniform distribution device 1b in fig. 1 can be specifically understood, the first smoke flow uniform distribution device 1a and the second smoke flow uniform distribution device 1b are adjacent, and the second arc-shaped guide plate 12 of the first smoke flow uniform distribution device 1a is adjacent to the first arc-shaped guide plate 11 of the second smoke flow uniform distribution device 1 b.
It should be noted that, the flue gas flow uniformly distributing devices 1 are equally spaced along the x direction, which means that the distance in the x direction between the bottom horizontal section of the adjacent first arc-shaped baffle 11 and the bottom horizontal section of the second arc-shaped baffle 12 is equal.
It should be understood that the first arc baffle 11 and the second arc baffle 12 of the "adjacent first arc baffle 11 and second arc baffle 12" described above and below are respectively subordinate to the adjacent flue gas flow distribution device 1, and are not subordinate to the same flue gas flow distribution device 1.
And, a cathode line 2 is arranged between each adjacent first arc-shaped guide plate 11 and second arc-shaped guide plate 12. In a specific embodiment, four cathode lines 2 are provided, which are a first cathode line 2a provided between the first flue gas flow distribution device 1a and the second flue gas flow distribution device 1b, a second cathode line 2b provided between the second flue gas flow distribution device 1b and the third flue gas flow distribution device 1c, a third cathode line 2c provided between the third flue gas flow distribution device 1c and the fourth flue gas flow distribution device 1d, and a fourth cathode line 2d provided between the fourth flue gas flow distribution device 1d and the fifth flue gas flow distribution device 1 e.
And, the cross section radius of each adjacent first arc-shaped guide plate 11 and second arc-shaped guide plate 12 is the same and the center of the cross section circle is located on the axis of the cathode line 2 arranged between the two. It can be specifically understood in conjunction with the second arc-shaped baffle 12 of the first flue gas flow distribution device 1a and the first arc-shaped baffle 11 of the second flue gas flow distribution device 1b in fig. 1, that the second arc-shaped baffle 12 and the first arc-shaped baffle 11 have the same radius of cross section, and the center of the cross section is located on the axis of the first cathode line 2a, that is, the first arc-shaped baffle 11 and the second arc-shaped baffle 12 are both located on the same cylindrical surface surrounding the axis of the first cathode line 2 a.
So arranged, since the electric potential on the same cylindrical surface surrounding the axis of the same cathode line 2 is uniform, the electric potential of the first arc-shaped deflector 11 and the electric potential of the second arc-shaped deflector 12 adjacent thereto are uniform, so that the electric charge amount of dust and mist particles flowing through the first arc-shaped deflector 11 and the electric charge amount of dust and mist particles flowing through the second arc-shaped deflector 12 adjacent thereto are uniform.
Preferably, the number of anode plates 3 is identical to the number of the flue gas flow distribution devices 1, and the anode plates 3 are also arranged at intervals along the x direction, and each anode plate 3 is aligned with one flue gas flow distribution device 1.
Preferably, the cross-sectional radii of all the first arc-shaped guide plates 11, all the second arc-shaped guide plates 12 and all the arc-shaped guide plates 13 of the electric demister are the same. This can also be understood as follows: the radii of the cross sections of the first arc-shaped guide plate 11, the second arc-shaped guide plate 12 and the arc-shaped guide plate 13 of the smoke flow uniform distribution device 1 are the same, and the electric demister is provided with a plurality of the smoke flow uniform distribution devices 1. The setting is convenient for implement, does benefit to electric defroster and realizes batch manufacturing production.
The electric mist eliminator provided by the invention is described above in detail. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (10)
1. An electric demister comprises a smoke box (4), and is characterized in that a cathode line (2) extending along a y direction and a smoke flow uniform distribution device (1) positioned at the upstream of the cathode line (2) are arranged in the smoke box (4); each smoke flow uniformly-distributing device (1) comprises a first arc-shaped guide plate (11) and a second arc-shaped guide plate (12) which are convex in opposite directions, and also comprises an arc-shaped flow dividing plate (13) which is convex towards the smoke inlet side, wherein the lengths of the first arc-shaped guide plate, the second arc-shaped guide plate and the arc-shaped flow dividing plate extend along the y direction, and the y direction is perpendicular to the smoke flow direction;
Each smoke flow uniformly-distributing device (1) is characterized in that two horizontal sections of the arc-shaped flow dividing plate (13) are respectively connected with one horizontal section of the first arc-shaped flow dividing plate (11) and one horizontal section of the second arc-shaped flow dividing plate (12); the first arc-shaped guide plate (11) and the second arc-shaped guide plate (12) correspond to one cathode line (2) respectively, and the circle centers of the cross sections of the first arc-shaped guide plate and the second arc-shaped guide plate are located on the axes of the corresponding cathode lines (2) respectively.
2. An electric mist eliminator as claimed in claim 1, characterized in that each of said flue gas flow distribution devices (1) is connected at a further horizontal section of said first arcuate deflector (11) and at a further horizontal section of said second arcuate deflector (12).
3. An electric mist eliminator as claimed in claim 1, characterized in that each of said flue gas flow distribution means (1) has a same radius of cross section of said first arcuate deflector (11), of said second arcuate deflector (12) and of said arcuate deflector (13).
4. An electric mist eliminator as claimed in claim 1, characterized in that each of the flue gas flow distribution devices (1), the first arc-shaped deflector (11), the second arc-shaped deflector (12) and the arc-shaped deflector (13) thereof are all provided with a wear-resistant metallic material or with a corrosion-resistant nonmetallic material.
5. An electric mist eliminator as claimed in claim 1, characterized in that each of the two length ends of the flue gas flow distribution device (1) is connected to an end frame (5) respectively, each end frame (5) being fixedly connected to a side wall of the flue box (4).
6. An electric mist eliminator as claimed in any one of claims 1 to 5, characterized in that an anode plate (3) is also provided in the smoke box (4), the anode plate (3) being located downstream of the cathode wire (2).
7. The electric demister according to claim 6, characterized in that two or more flue gas flow distribution devices (1) are arranged in the flue gas box (4), and the flue gas flow distribution devices (1) are arranged at intervals along the x direction; -adjacent said flue gas flow distribution devices (1), said first arcuate baffle (11) of one being adjacent said second arcuate baffle (12) of the other; wherein the x-direction and the y-direction are perpendicular to each other, and the x-direction is also perpendicular to the flow direction of the flue gas.
8. An electric mist eliminator as claimed in claim 7, characterized in that each adjacent first (11) and second (12) arc-shaped deflector corresponds to the same cathode line (2), and that each adjacent first (11) and second (12) arc-shaped deflector has the same radius of cross-section.
9. An electric mist eliminator as claimed in claim 7, characterized in that the flue gas flow distribution devices (1) are equally spaced in the x-direction.
10. An electric mist eliminator as claimed in claim 7, characterized in that the number of anode plates (3) corresponds to the number of flue gas flow distribution devices (1), that each anode plate (3) is also arranged at intervals in the x-direction, and that each anode plate (3) is aligned with one of the flue gas flow distribution devices (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810746151.XA CN108772201B (en) | 2018-07-09 | 2018-07-09 | Electric demister |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810746151.XA CN108772201B (en) | 2018-07-09 | 2018-07-09 | Electric demister |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108772201A CN108772201A (en) | 2018-11-09 |
| CN108772201B true CN108772201B (en) | 2024-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810746151.XA Active CN108772201B (en) | 2018-07-09 | 2018-07-09 | Electric demister |
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| Country | Link |
|---|---|
| CN (1) | CN108772201B (en) |
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