CN208466181U - 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
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- CN208466181U CN208466181U CN201821150733.3U CN201821150733U CN208466181U CN 208466181 U CN208466181 U CN 208466181U CN 201821150733 U CN201821150733 U CN 201821150733U CN 208466181 U CN208466181 U CN 208466181U
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- electric precipitator
- cathode line
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- low current
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Abstract
The utility model discloses a kind of high voltage low current cathode lines 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 utility model 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 utility model 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.
Utility model content
The purpose of this utility model is to provide a kind of high voltage low current cathode lines and electric precipitation for electric precipitator
Device can effectively solve the problem that existing cathode line energy consumption height or problem at high cost.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions: one kind is removed for electricity
The high voltage low current cathode line of dirt device, including metal tube and sheet metal, head and the tail both ends are connected the sheet metal along its length
The discharge electrode of drops is surrounded, the head and the tail both ends of 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 utility model has the advantages that: discharge electrode shows drops, and without 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 needle thorn class yin
Polar curve 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
Polar curve can be made to 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
It can't 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 utility model；
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 utility model.
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 embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and should not be understood as practical new to this
The limitation of type.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" etc. refer to
The orientation or positional relationship shown be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and
Simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construction
And operation, therefore should not be understood as limiting the present 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 utility model,
A kind of high voltage low current cathode line for electric precipitator, including metal tube 1 and sheet metal, the sheet metal is along its length
Head and the tail 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 mention
It is high.
The foregoing is merely specific embodiment of the utility model, but the technical characteristics of the utility model is not limited to
This, in the field of the utility model, made changes or modifications all cover practical new at this any those skilled in the art
Among the scope of the patents of type.
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 |
|---|---|---|---|
| CN201821150733.3U CN208466181U (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 |
|---|---|---|---|
| CN201821150733.3U CN208466181U (en) | 2018-07-19 | 2018-07-19 | A kind of high voltage low current cathode line and electric precipitator for electric precipitator |
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| Publication Number | Publication Date |
|---|---|
| CN208466181U true CN208466181U (en) | 2019-02-05 |
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| CN201821150733.3U Active CN208466181U (en) | 2018-07-19 | 2018-07-19 | A kind of high voltage low current cathode line and electric precipitator for electric precipitator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109046784A (en) * | 2018-07-19 | 2018-12-21 | 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 |
| CN109046784B (en) * | 2018-07-19 | 2024-07-02 | 浙江菲达环保科技股份有限公司 | High-voltage low-current cathode wire for electric dust collector and electric dust collector |
-
2018
- 2018-07-19 CN CN201821150733.3U patent/CN208466181U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109046784A (en) * | 2018-07-19 | 2018-12-21 | 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 |
| CN109046784B (en) * | 2018-07-19 | 2024-07-02 | 浙江菲达环保科技股份有限公司 | High-voltage low-current cathode wire for electric dust collector and electric dust collector |
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