CN208427228U - A kind of cathode line and electric precipitator - Google Patents
A kind of cathode line and electric precipitator Download PDFInfo
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- CN208427228U CN208427228U CN201820840358.9U CN201820840358U CN208427228U CN 208427228 U CN208427228 U CN 208427228U CN 201820840358 U CN201820840358 U CN 201820840358U CN 208427228 U CN208427228 U CN 208427228U
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- cathode line
- connecting tube
- blow device
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Abstract
The utility model embodiment provides a kind of cathode line and the electric precipitator including cathode line, cathode line is applied to electric precipitator, cathode line includes cathode tube, cathode tube and the anode tube of electric precipitator form electric field under the action of electric current, further include: at least one blow device, blow device are arranged on the outer wall of cathode tube and communicate therewith；One end of cathode tube is connected to high-pressure air source, and the other end of cathode tube blocks.By the way that at least one blow device is arranged in cathode pipe outer wall, and one end of cathode tube is connected to high-pressure air source, the other end blocks, and then it realizes and carries out purging dedusting by introducing high pressure gas and can carry out the dedusting of electric field without closing power supply, improve efficiency of dust collection, on the other hand due to can residual attachment in clear water-dust removing, ensure that the stability of electric field.
Description
Technical field
The utility model relates to electric precipitator technical fields, more specifically to a kind of cathode line and electric precipitator.
Background technique
In thermal power plant, in order to avoid the flue gas that boiler combustion generates causes environmental pollution, from boiler combustion device
The flue gas of middle discharge needs to be discharged into atmosphere again after dedusting and desulfurization, and the device that dust removal process uses is generally electric precipitator.
The most commonly used is wet static dedusting devices, its working principle is that: in the anode and yin of wet static dedusting device
Apply ten thousand volts of DC high-voltages between polar curve, under the action of strong electrical field, corona layer, the sky in corona layer are generated around corona wire
Avalanche type ionization occurs for gas, to generate a large amount of anion and a small amount of cation, realizes corona discharge.Enter with flue gas wet
Cloud particle in formula electrostatic precipitator and these positive and negative ions collide and charged, it is charged after cloud particle due to receiving
To the effect of high-voltage electrostatic field Coulomb force, the charge of its band is discharged, cloud particle after reaching anode to anode movement
Just collected by anode, under the action of moisture film, separated with flue gas, the cloud particle sheet of small part downwards by flow by gravity
Body is then attached to formation droplet in cathode line and leans on flow by gravity downward, or the method by rinsing after shutdown is cleaned.
But due to the influence of many factors, wet cottrell is in the process of running there are still problems at present,
For example, the anode module tube bank inner surface of wet cottrell is easily absorbing largely in dedusting water mist operational process
Calcium sulfate and the solid adhesions such as superfined flyash, if being purged these attachments not in time within a short period of time, very
White depositions easy to form will be more difficult to remove, and wet cottrell can be made to run as the time gradually accumulates
Flashover is frequently occurred in journey even to shut down, influences the electric conductivity on electric field anode module surface, makes the tube bank of electric field anode module and yin
Normal voltage electric current can not be established between polar curve, seriously reduces efficiency of dust collection, influence its stability.
Utility model content
In view of this, the utility model embodiment provides a kind of cathode line for being embedded with purging structure, it is existing to solve
The problem that wet cottrell efficiency of dust collection is low and stability is poor.On this basis, the utility model further includes the cathode
The electric precipitator of line.
To achieve the above object, the utility model embodiment provides the following technical solutions:
A kind of cathode line, the cathode line be applied to electric precipitator, the cathode line includes cathode tube, the cathode tube with
The anode tube of the electric precipitator forms electric field under the action of electric current, further includes:
At least one blow device, the blow device are arranged on the outer wall of the cathode tube and communicate therewith；
One end of the cathode tube is connected to high-pressure air source, and the other end of the cathode tube blocks.
Preferably, the blow device is multiple, and multiple blow devices are equally staggered.
Preferably, the blow device includes that the inner wall of anode tube described in difference face is equidistant staggered six long
Shape slot apertures.
Preferably, the blow device is nozzle.
Preferably, the spacing of the adjacent nozzle is 30-80mm.
It preferably, further include attachment device, one end of the cathode tube passes through the attachment device and the high-pressure air source
Connection.
Preferably, the attachment device further includes connecting tube and valve, and the connecting tube is connected to the valve.
Preferably, the connecting tube includes the first connecting tube and the second connecting tube, first connecting tube and the high pressure
Gas source connection, second connecting tube are connected to high-pressure water；The valve respectively with first connecting tube and described second
Connecting tube connection, controls the conducting of first connecting tube or second connecting tube.
Preferably, the connecting tube uses the material of glass reinforced plastic.
A kind of electric precipitator, including shell are hanged with the intracorporal cathode line of the shell and anode tube, the cathode line is set to
Hang in the shell and pass through the anode tube, further include being electrically connected with the cathode line and the anode tube with shape between the two
At the power supply of electric field, the cathode line is cathode line as described above；
When the electric precipitator is located at dedusting operating condition, the cathode line and high-pressure air source conducting pass through the blow device
It is dusted.
It can be seen from the above technical proposal that the utility model embodiment provides a kind of cathode line and including the cathode
The electric precipitator of line, by the way that at least one blow device, and one end of cathode tube and high-pressure air source are arranged in cathode pipe outer wall
Connection, the other end block, and then realize and carry out purging dedusting by introducing high pressure gas and can carry out electricity without closing power supply
Dedusting, improve efficiency of dust collection, on the other hand due to can residual attachment in clear water-dust removing, ensure that electric field
Stability.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of structural schematic diagram of cathode line provided by the embodiment of the utility model；
Structural schematic diagram when Fig. 2 is a kind of cathode line use state provided by the embodiment of the utility model；
Fig. 3 is a kind of structural schematic diagram of attachment device provided by the embodiment of the utility model；
In Fig. 3: 301 attachment devices, 302 cathode tubes, 303 first connecting tubes, 304 second connecting tubes.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model embodiment provides a kind of cathode line, and the cathode line is applied to electric precipitator, the cathode line
Including cathode tube 10, the anode tube of the cathode tube and the electric precipitator forms electric field under the action of electric current, and feature exists
In, further includes:
At least one blow device 11, the blow device are arranged on the outer wall of the cathode tube and communicate therewith；
One end of the cathode tube is connected to high-pressure air source, and the other end of the cathode tube blocks.
It should be noted that electric precipitator includes the cathode line that shell is equal with quantity in shell is set to and is correspondingly arranged
And anode tube, wherein anode tube is fixed on shell, and corresponding cathode line suspention is with case top and across anode tube, cathode
Line is connected with power supply, to form electric field under the function of current with anode tube.The shell of the electric precipitator and itself and cathode
The connection type and power supply of line and anode tube and the connection type of cathode line and the basic phase of electric precipitator in the prior art
Together, the utility model is described in detail not to this, and mainly the concrete outcome of improved cathode line is described in detail.
In Fig. 1, which is multiple, and multiple blow devices 11 are equally staggered.Specifically, blowing
The structure of sweeping device can be the equidistant staggered six elongated slits of inner wall of face anode tube.This is because usually positive
It is cellular shape that pole pipe, which is arranged in section, and the section of anode tube each in this way is regular hexagon, and tube bank the inside includes one
Blow device 11 is arranged to above-mentioned equidistant staggered six elongated slits, optimal blow may be implemented by a cathode tube
Surface sweeping product improves purging efficiency.
In addition it is also possible to set nozzle form for blow device, i.e. the blow device inner wall that includes face anode tube
In fact equidistant staggered six round nozzles, are preferably arranged to hole crack structure for blow device in the present invention, i.e.,
Existing its purges function, can not also increase the complexity of cathode tube manufacturing process, realizes the convenience of technique manufacture.
It referring to fig. 2, is the structural schematic diagram under cathode line use state provided by the utility model.Hollow cathode pipe 1
Bottom is provided with enclosed baffle and closes one end, since cathode tube 1 generally can all be longer than anode tube 2, by by cathode
One section of closing of pipe can maintain the air pressure in it, can also be vertical with retainer, while 6 fan nozzles are provided in Fig. 2
10, it introduces a gas into and carries out purging dedusting.
If blow device is round nozzle, the spacing of two neighboring round nozzle is 30-80mm, that is, two nozzle sprays
Distance of the purging area when being contacted in anode tube between nozzle out；If blow device is multiple, preferred two purgings
Spacing between device is 200-500mm.
Optionally, in another embodiment, which can also include attachment device, and attachment device may include connection
Pipe and valve, are connected to by attachment device high-pressure air source, can control the importing of gas or the size of its flow by valve.
Preferably, which can be set to three-port structure, refer to Fig. 3, and attachment device one end and cathode tube connect
Logical, the first connecting tube in addition is connected to high-pressure air source, and the second connecting tube is connected to high-pressure water may be implemented the blow device
Air-blowing can not only be carried out to sweep, existing showering dedusting also may be implemented.
Conducting gas is controlled by valve or water flow, the valve can be electric control valve.Connecting tube can use glass
Steel material, cathode tube are anticorrosion material, such as corrosion resistant stainless steel or titanium alloy material.
The utility model purges dedusting by gas by the way that blow device is arranged in cathode line, can solve existing water
The problem of spraying and dedusting, these problems are for example, water spray dedusting cannot remove on anode pipe internal surface when electric field is run
Attachment.In the case where the bad working environments such as high load capacity coal quality difference, once carry out power failure field spray irrigation, wet static dedusting
The dust concentration of device outlet is with regard to exceeded, if being rinsed not in time and being easy to that anode module is made to restrain inner surface fouling, thus
It is difficult to rinse by water and is removed；The waiting time is too long after spray irrigation.After power failure field is sprayed, need to wait rather
Clock, the dozens of minutes even time of a few houres, will rinse not flowing after net water empties inside main pipe can just put into operation (after flushing)
Electric field；Operation risk is high, and maintenance is difficult.After anode module tube bank fouling causes electric field out of service, it is equivalent to this block electricity
Field is paralysed, and when can only passively waiting Power Plant shutdown maintenance, just can enter wet except the inside carries out module tube bank clearly
Reason maintenance influences wet electrical dust precipitator environmental protection minimum discharge very big；In water flushing process, it is hidden that remaining water is easy to appear safety
Suffer from.
Therefore, cathode line provided by the utility model can solve the above problem by blow device, and then realize logical
It crosses to introduce high pressure gas and carry out purging dedusting and can carry out the dedusting of electric field without closing power supply, improve efficiency of dust collection, it is another
Aspect due to can residual attachment in clear water-dust removing, ensure that the stability of electric field.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of cathode line, the cathode line is applied to electric precipitator, and the cathode line includes cathode tube, the cathode tube and institute
The anode tube for stating electric precipitator forms electric field under the action of electric current, which is characterized in that further include:
At least one blow device, the blow device are arranged on the outer wall of the cathode tube and communicate therewith；
One end of the cathode tube is connected to high-pressure air source, and the other end of the cathode tube blocks.
2. cathode line according to claim 1, which is characterized in that the blow device is multiple, multiple purging dresses
It sets and is equally staggered.
3. cathode line according to claim 2, which is characterized in that the blow device includes anode tube described in difference face
The equidistant staggered six elongated slot apertures of inner wall.
4. cathode line according to claim 1, which is characterized in that the blow device is nozzle.
5. cathode line according to claim 4, which is characterized in that the spacing of the adjacent nozzle is 30-80mm.
6. cathode line according to claim 1, which is characterized in that further include attachment device, one end of the cathode tube is logical
The attachment device is crossed to be connected to the high-pressure air source.
7. cathode line according to claim 6, which is characterized in that the attachment device further includes connecting tube and valve, institute
Connecting tube is stated to be connected to the valve.
8. cathode line according to claim 7, which is characterized in that the connecting tube includes the first connecting tube and the second connection
Pipe, first connecting tube are connected to the high-pressure air source, and second connecting tube is connected to high-pressure water；The valve difference
It is connect with first connecting tube and second connecting tube, controls leading for first connecting tube or second connecting tube
It is logical.
9. cathode line according to claim 7, which is characterized in that the connecting tube uses the material of glass reinforced plastic.
10. a kind of electric precipitator, including shell suspend in midair with the intracorporal cathode line of the shell and anode tube, the cathode line is set to
In in the shell and pass through the anode tube, further include being electrically connected with the cathode line and the anode tube to be formed between the two
The power supply of electric field, which is characterized in that the cathode line is cathode line as claimed in any one of claims 1-9 wherein；
When the electric precipitator is located at dedusting operating condition, the cathode line and high-pressure air source conducting are carried out by the blow device
Dedusting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820840358.9U CN208427228U (en) | 2018-05-31 | 2018-05-31 | A kind of cathode line and electric precipitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820840358.9U CN208427228U (en) | 2018-05-31 | 2018-05-31 | A kind of cathode line and electric precipitator |
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| Publication Number | Publication Date |
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| CN208427228U true CN208427228U (en) | 2019-01-25 |
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| CN201820840358.9U Active CN208427228U (en) | 2018-05-31 | 2018-05-31 | A kind of cathode line and electric precipitator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111015100A (en) * | 2019-12-12 | 2020-04-17 | 山东神华山大能源环境有限公司 | Machining and forming method of cathode wire prickles based on bionics |
| CN111558460A (en) * | 2020-04-30 | 2020-08-21 | 湖南普泰尔环境股份有限公司 | Low-temperature plasma deodorization equipment |
-
2018
- 2018-05-31 CN CN201820840358.9U patent/CN208427228U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111015100A (en) * | 2019-12-12 | 2020-04-17 | 山东神华山大能源环境有限公司 | Machining and forming method of cathode wire prickles based on bionics |
| CN111558460A (en) * | 2020-04-30 | 2020-08-21 | 湖南普泰尔环境股份有限公司 | Low-temperature plasma deodorization equipment |
| CN111558460B (en) * | 2020-04-30 | 2022-04-15 | 湖南普泰尔环境股份有限公司 | Low-temperature plasma deodorization equipment |
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