CN109046784A - A kind of high voltage low current cathode line and electric precipitator for electric precipitator - Google Patents
A kind of high voltage low current cathode line and electric precipitator for electric precipitator Download PDFInfo
- Publication number
- CN109046784A CN109046784A CN201810797994.2A CN201810797994A CN109046784A CN 109046784 A CN109046784 A CN 109046784A CN 201810797994 A CN201810797994 A CN 201810797994A CN 109046784 A CN109046784 A CN 109046784A
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- CN
- China
- Prior art keywords
- electric precipitator
- cathode line
- high voltage
- low current
- metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012716 precipitator Substances 0.000 title claims abstract description 31
- 239000002184 metal Substances 0.000 claims abstract description 73
- 229910052751 metal Inorganic materials 0.000 claims abstract description 73
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 230000003447 ipsilateral effect Effects 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 13
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 238000013517 stratification Methods 0.000 abstract description 7
- 230000005684 electric field Effects 0.000 abstract description 6
- 238000003466 welding Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Electrostatic Separation (AREA)
Abstract
The invention discloses a kind of high voltage low current cathode line for electric precipitator, including metal tube and sheet metal, head and the tail both ends are connected and surround the discharge electrode of drops the sheet metal along its length, and the head and the tail both ends of the sheet metal are fixedly connected with metal tube.A kind of electric precipitator, including above-mentioned cathode line.The invention has the advantages that discharge electrode shows drops, there is no tip, discharge inception voltage is high, very big electric field strength can be formed, discharge electrode can keep energy-efficient corona current and corona voltage, avoid the problem that needle pierces the point discharge of class cathode line and causes the excessive energy consumption of secondary current high, and high dust collection efficiency, and the gap among drops can make polar curve be not easy dust stratification at runtime, the easy rapping of dust stratification is removed.And electric precipitator using the above structure, low energy consumption and cost can't improve.
Description
Technical field
The present invention relates to a kind of high voltage low current cathode lines and electric precipitator for electric precipitator.
Background technique
Electric precipitation is the mainstream technology of the fields dedusting such as coal-burning power plant, aluminium oxide, cement, steel, and cathode line is removed as electricity
The critical component of dirt device, structural shape directly affect the efficiency of dust collection and outlet dust concentration of electric precipitation, and to electric precipitation
The energy consumption of device, stability influence are larger.
Currently, the cathode line pattern of electric precipitator mainly have prickle wire, needle thorn line and helix etc., due to coal-burning power plant,
The flue gas particles partial size of the fields dedusting such as sintering machine, cement, steel is small, is not easy charged under low-voltage, therefore, needs exploitation two
The cathode line pattern for the electric precipitator that secondary voltage is high, secondary current is small.
In electric precipitator, the pattern of cathode line is mostly prickle wire, needle thorn line and helix, and prickle wire and needle thorn line discharge
Electric current is big, haves the shortcomings that energy consumption is high；There is easily broken string in helix, stability is insufficient.The big disadvantage of installation difficulty, and spiral
Line needs 316L or more material to be just able to maintain its performance requirement such as elastic, anticorrosive, and manufacturing cost is high.
Summary of the invention
The purpose of the present invention is to provide a kind of high voltage low current cathode line and electric precipitator for electric precipitator, energy
It is enough effectively to solve the problems, such as that existing cathode line energy consumption is high or at high cost.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions: one kind being used for electric precipitator
High voltage low current cathode line, including metal tube and sheet metal, head and the tail both ends are connected and surround the sheet metal along its length
The head and the tail both ends of the discharge electrode of drops, the sheet metal are fixedly connected with metal tube.
Preferably, the discharge electrode is divided into two column along metal pipe axis on metal tube, and two column discharge electrodes are located at gold
Belong to the two sides of pipe shaft section.Make discharge electrode just face anode plate,
Preferably, the two column discharge electrode is arranged alternately in axis direction, and spacing is 50~100mm in the axial direction.
It is uniform along the discharge current and space voltage in cathode line direction in electric field to make.
Preferably, the sheet metal is equipped with groove along its length, and when surrounding discharge electrode, slot opening is outwardly；Or
The discharge electrode includes discharge part and support portion, and the support portion is equipped with the groove along sheet metal length direction.By groove plus
It is bent into the intensity of discharge electrode by force.
Preferably, the metal tube includes two metal semicanals, and the both ends of each metal semicanal lateral wall are equipped with
The head and the tail both ends of engaging lug, the sheet metal are fixedly connected with engaging lug.Two semicanals, and semicanal are set by metal tube
Also band connection ear, on the one hand facilitates metal tube to transport, and on the other hand can both make the connection of metal semicanal can also be with by engaging lug
It is fixedly connected with discharge electrode, the initial position of discharge electrode is fixed.
Preferably, the head end of the sheet metal and tail end are arranged alternately with two ipsilateral engaging lugs of metal semicanal.Pass through friendship
For the mode of setting, preferably it is fixedly connected conducive to sheet metal two ends with engaging lug.
Preferably, the metal semicanal camber degree is no more than 0.8mm/m.When curvature is more than 0.8mm/m, because
Discharge position line and the pole plate depth of parallelism reduce, and corona discharge position will be changed on a little from line, to make partial discharge position
Failure, corona current uniformity reduce, and influence efficiency of dust collection.
Preferably, one end of the metal tube is fixed with upper junction plate, and the other end of the metal tube is fixed with lower connection
Plate is provided with fixation hole on the upper junction plate and lower connecting plate.By the fixation hole opened up on upper junction plate and lower connecting plate,
It is convenient to be fixedly connected with cathode frame, realize Fast Installation positioning.
Preferably, the discharge electrode includes discharge part and support portion, and the electric discharge cross section is arc-shaped, the support
Cross section is strip, and the both ends of the discharge part, which are smoothly connected, forms water-drop-shaped by support portion.Optimal electric discharge is hardened
Structure, the shape can maximum formation discharge inception voltage, form maximum electric field strength.
A kind of electric precipitator, including above-mentioned cathode line.
Compared with prior art, the invention has the advantages that discharge electrode shows drops, without tip, discharge inception voltage is high, can shape
At very big electric field strength, discharge electrode can keep energy-efficient corona current and corona voltage, avoid needle thorn class cathode line
Point discharge and the problem for causing the excessive energy consumption of secondary current high, and high dust collection efficiency, and the gap among drops can make
Polar curve is not easy dust stratification at runtime, and the easy rapping of dust stratification is removed.And electric precipitator using the above structure, low energy consumption and cost not
It can improve.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the high voltage low current cathode line for electric precipitator of the present invention；
Fig. 2 is A-A cross-sectional view in Fig. 1；
Fig. 3 is partial enlarged view at B in Fig. 2；
Fig. 4 is the structural schematic diagram of metal semicanal in the present invention.
Appended drawing reference are as follows: metal tube 1, discharge electrode 2, head end 21, tail end 22, discharge part 23, support portion 24, groove 3, metal
Semicanal 4, engaging lug 5, upper junction plate 6, lower connecting plate 7, fixation hole 8.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
The instructions such as " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
Refering to fig. 1, Fig. 2 is a kind of embodiment of the high voltage low current cathode line for electric precipitator of the present invention, a kind of
For the high voltage low current cathode line of electric precipitator, including metal tube 1 and sheet metal, sheet metal head and the tail along its length
Both ends, which are connected, surrounds the discharge electrode 2 of drops, and the head and the tail both ends of the sheet metal are fixedly connected with metal tube 1.
Discharge electrode 2 shows drops, and without tip, discharge inception voltage is high, can form very big electric field strength, discharge electrode 2 can be protected
Energy-efficient corona current and corona voltage are held, needle thorn class cathode line point discharge is avoided and leads to the excessive energy of secondary current
High problem, and high dust collection efficiency are consumed, and the gap among drops can make polar curve be not easy dust stratification at runtime, dust stratification easily shakes
It beats and removes.
Specifically, the discharge electrode 2 include discharge part 23 and support portion 24,23 cross section of discharge part be it is arc-shaped,
24 cross section of support portion is strip, and the both ends of the discharge part 23, which are smoothly connected, forms water-drop-shaped by support portion 24,
Arc-shaped radius is 10mm, and the front end angle for the support portion 24 connecting with 23 both ends of discharge part is 47 degree of length 25mm, then
The rear end side by side parallel of support portion 24 is arranged, and is fixed on metal tube 1, forms optimal drops structure in this way.
And when surrounding the discharge electrode 2 of drops with sheet metal, in order to reinforce the intensity of sheet metal, in sheet metal along length
Direction first extrudes groove 3, and groove 3 is located on the support portion 24 after surrounding discharge electrode 2, the performance without influencing discharge part 23, when
So can also on discharge part 23 press flute 3, although integral strength can be made best in this way, but the electric discharge to discharge part 23
Performance has an impact, but also gets well than traditional cathode line performance.
It is boundary with the shaft section of metal tube 1 in the arrangement of metal tube 1, is equipped with two rows of discharge electrodes 2, every discharge battery plate 2
It is all uniformly distributed along 1 axis direction of metal tube, but two rows of discharge electrode 2 is generally 50 there is spacing, spacing L in the axial direction
~100mm can preferably play discharge effect in this way, to make in electric field along the discharge current in cathode line direction and space electricity
Pressure is uniform.
As shown in Figure 2, Figure 3, Figure 4, it for metal tube 1, is made of two metal semicanals 4, each 4 outside of metal semicanal
The both ends of wall are respectively and fixedly provided with engaging lug 5, and when two metal semicanals 4 synthesize metal tube 1, the corresponding engaging lug 5 on both sides is parallel
Setting, and the head end 21 of sheet metal and tail end 22 are also such sheet metal for parallel position since sheet metal surrounds drops
First section, the engaging lug 5 of metal semicanal 4, the tail end 22 of sheet metal and another metal semicanal 4 engaging lug 5 alternately set
It sets and is all provided with for the plug welding hole on straight line, 4 plate of metal semicanal and the mutually aid of discharge electrode 2 are fixed, and pass through plug
Weldering is fixedly connected, solid and reliable to be not easy to loosen.
And one end of entire metal tube 1 is fixed with upper junction plate 6, the other end of the metal tube 1 is fixed with lower connecting plate
7, fixation hole 8 is provided on the upper junction plate 6 and lower connecting plate 7, is fixed on cathode frame by bolt and nut, after installation
Spot welding fixture nut, cathode frame are connected with high voltage power supply, and rapping apparatus rapping cathode frame, and vibration acceleration is transmitted
Onto cathode line, the dust stratification in cathode line is removed.Upper junction plate 6 and lower connecting plate 7 can also fill in two metal semicanals 4 it
Between, it first passes through and beats plug welding hole on the engaging lug 5 and upper junction plate 6, lower connecting plate 7 of metal semicanal 4, consolidated by way of plug welding
Fixed connection.
Entire sheet metal is made of SPCC, 304 stainless steels or 316L stainless steel material.
The invention also discloses a kind of electric precipitators, use above-mentioned cathode line, low energy consumption and cost can't improve.
Above is only a specific embodiment of the present invention, but technical characteristic of the invention is not limited thereto, Ren Heben
Within the field of the present invention, made changes or modifications all cover within the scope of the patent of the present invention the technical staff in field.
Claims (10)
1. a kind of high voltage low current cathode line for electric precipitator, including metal tube and sheet metal, it is characterised in that: described
Head and the tail both ends are connected and surround the discharge electrode of drops sheet metal along its length, and the head and the tail both ends of the sheet metal are and metal tube
It is fixedly connected.
2. a kind of high voltage low current cathode line for electric precipitator as described in claim 1, it is characterised in that: described to put
Battery plate is divided into two column along metal pipe axis on metal tube, and two column discharge electrodes are located at the two sides of metal tube shaft section.
3. a kind of high voltage low current cathode line for electric precipitator as claimed in claim 2, it is characterised in that: described two
Column discharge electrode is arranged alternately in axis direction, and spacing is 50~100mm in the axial direction.
4. a kind of high voltage low current cathode line for electric precipitator as described in claim 1, it is characterised in that: the gold
Belong to piece and be equipped with groove along its length, when surrounding discharge electrode, slot opening is outwardly；Or the discharge electrode include discharge part and
Support portion, the support portion are equipped with the groove along sheet metal length direction.
5. a kind of high voltage low current cathode line for electric precipitator as described in claim 1, it is characterised in that: the gold
Belonging to pipe includes two metal semicanals, and the both ends of each metal semicanal lateral wall are equipped with engaging lug, the head of the sheet metal
Tail both ends are fixedly connected with engaging lug.
6. a kind of high voltage low current cathode line for electric precipitator as claimed in claim 5, it is characterised in that: the gold
The head end and tail end for belonging to piece are arranged alternately with two ipsilateral engaging lugs of metal semicanal.
7. a kind of high voltage low current cathode line for electric precipitator as claimed in claim 5, it is characterised in that: the gold
Belong to semicanal camber degree and is no more than 0.8mm/m.
8. a kind of high voltage low current cathode line for electric precipitator as described in claim 1, it is characterised in that: the gold
The one end for belonging to pipe is fixed with upper junction plate, and the other end of the metal tube is fixed with lower connecting plate, the upper junction plate and lower company
Fixation hole is provided on fishplate bar.
9. a kind of high voltage low current cathode line for electric precipitator as described in claim 1, it is characterised in that: described to put
Battery plate includes discharge part and support portion, the electric discharge cross section be it is arc-shaped, the support cross section is strip, described
The both ends of discharge part, which are smoothly connected, forms water-drop-shaped by support portion.
10. a kind of electric precipitator, it is characterised in that: using cathode line described in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810797994.2A CN109046784A (en) | 2018-07-19 | 2018-07-19 | A kind of high voltage low current cathode line and electric precipitator for electric precipitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810797994.2A CN109046784A (en) | 2018-07-19 | 2018-07-19 | A kind of high voltage low current cathode line and electric precipitator for electric precipitator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109046784A true CN109046784A (en) | 2018-12-21 |
Family
ID=64817441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810797994.2A Pending CN109046784A (en) | 2018-07-19 | 2018-07-19 | A kind of high voltage low current cathode line and electric precipitator for electric precipitator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109046784A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2011283A (en) * | 1977-12-09 | 1979-07-11 | Smidth & Co As F L | Discharge electrodes for electrostatic precipitators |
| US4793156A (en) * | 1987-02-03 | 1988-12-27 | Keystone Findings, Inc. | Gem setting with channel-shaped support |
| CN2882797Y (en) * | 2006-03-21 | 2007-03-28 | 蚌埠星源环保科技有限公司 | Round tube rigid wave shaped cathode line |
| CN201880599U (en) * | 2010-11-28 | 2011-06-29 | 赵哲仪 | Cathode wire pricked on side of circular pipe for electric precipitator |
| CN102931595A (en) * | 2012-11-20 | 2013-02-13 | 江苏天翔电气有限公司 | Cabinet body of high-voltage switch cabinet |
| CN203977589U (en) * | 2014-06-25 | 2014-12-03 | 上海诺瑞空气净化科技有限公司 | Novel operation room wallboard fastener |
| CN104338613A (en) * | 2013-08-09 | 2015-02-11 | 黄石市蓝天除尘设备制造有限公司 | Novel anti-pilling corona wire |
| CN205628303U (en) * | 2016-05-20 | 2016-10-12 | 浙江大维高新技术股份有限公司 | Negative pole line for pulse generator |
| CN206676553U (en) * | 2017-05-10 | 2017-11-28 | 浙江诸暨骏达环保设备有限公司 | A kind of cathode line fixator of wet cottrell |
| CN208466181U (en) * | 2018-07-19 | 2019-02-05 | 浙江菲达环保科技股份有限公司 | A kind of high voltage low current cathode line and electric precipitator for electric precipitator |
-
2018
- 2018-07-19 CN CN201810797994.2A patent/CN109046784A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2011283A (en) * | 1977-12-09 | 1979-07-11 | Smidth & Co As F L | Discharge electrodes for electrostatic precipitators |
| US4793156A (en) * | 1987-02-03 | 1988-12-27 | Keystone Findings, Inc. | Gem setting with channel-shaped support |
| CN2882797Y (en) * | 2006-03-21 | 2007-03-28 | 蚌埠星源环保科技有限公司 | Round tube rigid wave shaped cathode line |
| CN201880599U (en) * | 2010-11-28 | 2011-06-29 | 赵哲仪 | Cathode wire pricked on side of circular pipe for electric precipitator |
| CN102931595A (en) * | 2012-11-20 | 2013-02-13 | 江苏天翔电气有限公司 | Cabinet body of high-voltage switch cabinet |
| CN104338613A (en) * | 2013-08-09 | 2015-02-11 | 黄石市蓝天除尘设备制造有限公司 | Novel anti-pilling corona wire |
| CN203977589U (en) * | 2014-06-25 | 2014-12-03 | 上海诺瑞空气净化科技有限公司 | Novel operation room wallboard fastener |
| CN205628303U (en) * | 2016-05-20 | 2016-10-12 | 浙江大维高新技术股份有限公司 | Negative pole line for pulse generator |
| CN206676553U (en) * | 2017-05-10 | 2017-11-28 | 浙江诸暨骏达环保设备有限公司 | A kind of cathode line fixator of wet cottrell |
| CN208466181U (en) * | 2018-07-19 | 2019-02-05 | 浙江菲达环保科技股份有限公司 | A kind of high voltage low current cathode line and electric precipitator for electric precipitator |
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