CN212732589U - Electrostatic dust collector - Google Patents
Electrostatic dust collector Download PDFInfo
- Publication number
- CN212732589U CN212732589U CN202021386758.0U CN202021386758U CN212732589U CN 212732589 U CN212732589 U CN 212732589U CN 202021386758 U CN202021386758 U CN 202021386758U CN 212732589 U CN212732589 U CN 212732589U
- Authority
- CN
- China
- Prior art keywords
- electric field
- electrostatic precipitator
- flue gas
- field unit
- casing
- 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.)
- Expired - Fee Related
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- 239000000428 dust Substances 0.000 title claims abstract description 38
- 230000005684 electric field Effects 0.000 claims abstract description 72
- 239000012717 electrostatic precipitator Substances 0.000 claims abstract description 49
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000003546 flue gas Substances 0.000 claims abstract description 43
- 239000007789 gas Substances 0.000 claims abstract description 43
- 238000005422 blasting Methods 0.000 claims abstract description 31
- 238000009826 distribution Methods 0.000 claims abstract description 30
- 239000000779 smoke Substances 0.000 claims abstract description 22
- 238000004880 explosion Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000004071 soot Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Electrostatic Separation (AREA)
Abstract
The utility model provides an electrostatic precipitator. The electrostatic precipitator includes electrostatic precipitator body and gas blasting device, the electrostatic precipitator body includes the casing, locates the flue gas entry of casing one side, locates the exhanst gas outlet of casing opposite side, be located the flue gas entry with a plurality of electric field units between the exhanst gas outlet, be located every the ash bucket of electric field unit below and be located the flue gas entry with smoke and dust distribution room between a plurality of electric field units, the casing is including enclosing the first casing of smoke and dust distribution room, gas blasting device install in the outer wall of first casing just gas blasting device's spout with smoke and dust distribution room intercommunication. The utility model provides an electrostatic precipitator takes place the problem of serious stifled ash with electric field unit upper portion through set up gas blasting device on first casing, has solved on the inner wall of first casing, makes electrostatic precipitator operation more stable.
Description
Technical Field
The utility model relates to a dust removal technical field, in particular to electrostatic precipitator is applicable to dust removal fields such as metallurgy, chemical industry, cement.
Background
In the production process of making acid by smelting flue gas, the electrostatic precipitator is an essential important device for the roasting process. The electrostatic dust collector has the advantages of large processing capacity, good stability of equipment use, low resistance, convenient operation and the like, and is widely applied to the flue gas purification and dust removal process. However, the electrostatic dust collector has certain defects, dust collected on the electrode is easy to deposit, and at present, a rapping device is mainly arranged on each electric field unit for rapping, so that the dust is vibrated to separate from the electrode plate and fall into an ash bucket for collection. Because the first electric field unit close to the flue gas inlet is close to the flue dust inlet, the absorbed flue dust is the most, the problem of ash blockage and dust wall hanging cannot be completely solved by using a rapping device, and in order to ensure normal production, manual ash removal is needed, on one hand, the stability of sulfuric acid production can be influenced by frequent shutdown of ash removal, and on the other hand, the problems of high labor intensity and unsafety exist in manual ash removal.
In addition, the inlet position of the electrostatic dust collector adopts mechanical rapping to remove dust, which is easy to deform, thereby easily generating the problems of mechanical failure or increased maintenance difficulty.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an electrostatic precipitator takes place the problem of serious stifled ash with first electric field upper portion through setting up gas blasting device on enclosing into the outdoor first casing of gas distribution, has solved on the inner wall of first casing deposition and first electric field, makes electrostatic precipitator operation more stable, has also reduced artifical intensity of labour simultaneously.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
the embodiment of the utility model provides an electrostatic precipitator, including the electrostatic precipitator body and with the gas blasting device that the electrostatic precipitator body is connected and is located the electrostatic precipitator body outside, the electrostatic precipitator body includes the casing, locate the flue gas entry of casing one side, locate the exhanst gas outlet of casing opposite side, be located between the flue gas entry and the exhanst gas outlet and along the flue gas entry to the smoke outlet direction set gradually a plurality of electric field units, be located each ash bucket below the electric field unit, and with the flue gas entry intercommunication and be located the flue gas entry with the smoke and dust distribution room between a plurality of electric field units, the casing includes the first casing that encloses into the smoke and dust distribution room, the gas blasting device install in the outer wall of first casing and the spout of gas blasting device with the smoke and dust distribution room communicates, and when the inner wall of the first shell is accumulated with dust and part of electric field channels of the electric field units close to the smoke distribution chamber are blocked, the gas explosion device is started to remove the dust.
Further, the included angle between the nozzle direction of the gas blasting device and the vertical direction is 20-40 degrees.
Further, the gas blasting device includes blasting deashing ware, with connecting pipe that blasting deashing ware is connected, install in the connecting pipe is kept away from the first flange of blasting deashing ware one end, the casing still including set up in first casing and middle part run through the mounting groove of the annular form of first casing, electrostatic precipitator still including set firmly in the installation pipe of mounting groove and install in the installation pipe is kept away from the second flange of mounting groove one end, first flange with the second flange passes through the bolt and can dismantle the connection.
Further, the electrostatic precipitator also comprises a sealing plate clamped between the first flange and the second flange.
Further, an ash collecting space is arranged below the smoke distribution chamber.
Furthermore, the number of the electric field units is four, and the four electric field units are respectively a first electric field unit, a second electric field unit, a third electric field unit and a fourth electric field unit along the direction from the flue gas inlet to the flue gas outlet.
Further, first casing is including being close to the distribution plate of first electric field unit, the centre bore of mounting groove with linear distance between the distribution plate is 600 ~ 800 mm.
Furthermore, the shell also comprises a second shell which encloses a plurality of electric field units and is connected with the first shell, and the first shell and the second shell are formed by welding steel plates.
Further, the electrostatic precipitator is still including locating four at least rapping devices of the outer wall of second casing, first electric field unit the second electric field unit the third electric field unit the fourth electric field unit is equallyd divide and is corresponded respectively and be provided with at least one rapping device.
Compared with the prior art, the utility model have following advantage and beneficial effect:
the utility model provides an electrostatic precipitator, which comprises an electrostatic precipitator body and a gas blasting device connected with the electrostatic precipitator body and positioned outside the electrostatic precipitator body, the electrostatic dust collector body comprises a shell, a flue gas inlet arranged on one side of the shell, a flue gas outlet arranged on the other side of the shell, a plurality of electric field units which are positioned between the flue gas inlet and the flue gas outlet and are sequentially arranged along the flue gas inlet to the flue gas outlet direction, an ash bucket positioned below each electric field unit, and a smoke distribution chamber which is communicated with the flue gas inlet and is positioned between the flue gas inlet and the electric field units, the casing is including enclosing the first casing of smoke and dust distribution room, the gas blast apparatus install in the outer wall of first casing just the spout of gas blast apparatus with smoke and dust distribution room intercommunication. When the inner wall deposition of the first shell and the part of the electric field channel of the electric field unit close to the smoke and dust distribution chamber are blocked, the ash can be removed through starting the gas explosion device, manual ash removal is not needed to stop, so that the electrostatic dust collector can operate more stably, and the manual labor intensity is reduced.
Drawings
Fig. 1 is a schematic partial structural view of an electrostatic precipitator according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an electrostatic precipitator body of the electrostatic precipitator shown in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 and 2, an embodiment of the present invention provides an electrostatic precipitator, including an electrostatic precipitator body 10 and a gas explosion device 20 connected to the electrostatic precipitator body 10 and located outside the electrostatic precipitator body 10.
The housing 11 includes a first housing 111 enclosing the smoke distribution chamber 16, and a second housing 112 enclosing a plurality of electric field units 14 and connected to the first housing 111, and the first housing 111 and the second housing 112 are formed by welding steel plates to each other.
The flue gas to be neutralized enters the smoke distribution chamber 16 from the flue gas inlet 12, and is discharged from the flue gas outlet 13 after being dedusted by the plurality of electric field units 14 in sequence. The dust in the flue gas will be adsorbed on the polar plate when passing through the electric field unit 14, and then the vibration device is used for vibrating, so that the separated polar plate falls into the dust hopper 15 for collection. In this embodiment, the number of the electric field units 14 is 4, and along the direction from the flue gas inlet to the flue gas outlet, the four electric field units 14 are respectively a first electric field unit 141, a second electric field unit 142, a third electric field unit 143, and a fourth electric field unit 144, that is, the electric field unit close to the flue gas distribution chamber 16 is a first field unit 141.
In this embodiment, the number of the ash hoppers 15 is four, that is, one ash hopper 15 is disposed below each of the four electric field units 14, and in other embodiments, the number of the ash hoppers 15 may also be 8, that is, two ash hoppers 15 are disposed below each of the four electric field units 14.
The gas blasting device 20 comprises a blasting ash remover 21, a connecting pipe 22 connected with the blasting ash remover 21, and a first flange 23 mounted at one end of the blasting ash remover 21 far away from the connecting pipe 22. The first flange 23 is used for connecting the gas explosion device 20 with the electrostatic precipitator body 10, specifically, the housing 11 further includes a ring-shaped installation groove 113 which is provided in the first housing 111 and the middle of which penetrates through the first housing 111, correspondingly, the electrostatic precipitator further includes an installation pipe 30 which is fixedly arranged in the installation groove 113 and a second flange 40 which is arranged at one end of the installation pipe 30 far away from the installation groove 113, and the first flange 23 and the second flange 40 are detachably connected through bolts.
Further, the electrostatic precipitator further includes a sealing plate interposed between the first flange 23 and the second flange 40.
When dust is deposited on the inner wall of the first housing 111 and part of the electric field channel of the first electric field unit 141 is blocked, and the gas explosion device 20 needs to be started for dust removal, before starting, bolts for connecting the first flange 23 and the second flange 40 are unscrewed, and the sealing plate is pulled out, and at the moment, the nozzle of the gas explosion device 20 is communicated with the smoke distribution chamber 16; after the ash removal is finished, the gas blasting device 20 is closed, and then a sealing plate is inserted between the first flange 23 and the second flange 40, and bolts are screwed. The gas explosion device 20 is arranged to perform ash removal transformation on the electrostatic dust collector body 10 at regular time, so that the problem that the inner wall of the first shell 111 and the first electric field unit 141 are seriously blocked by ash is solved, and the purposes of stable production and safe production are achieved.
Further, an ash collecting space 161 is arranged below the smoke distribution chamber 16, and dust cleaned by the gas explosion device 20 falls into the ash collecting space 161 and is cleaned periodically.
Further, the included angle between the nozzle direction of the gas blasting device 20 and the vertical direction is 20-40 degrees, further, the included angle between the nozzle direction of the gas blasting device 20 and the vertical direction is 30 degrees, and a better dust cleaning effect can be achieved by limiting the nozzle direction.
Note that, in the present embodiment, the vertical direction refers to the vertical direction of fig. 1.
Further, the first housing 111 includes a distribution plate 1111 adjacent to the first electric field unit 141, and a linear distance between a center hole of the mounting groove 113 and the distribution plate 1111 is 600 to 800 mm. The utility model discloses the gas blasting device that sets up mainly be used for clearing up first casing 11 with the deposition of first electric field unit 141, so need inject gas blasting device 20's mounted position, if carry out the deashing to whole electric field unit, then can cause the gas volume to increase suddenly, increase gaseous carrying to dirt.
It should be noted that the utility model provides an electrostatic precipitator 1's deashing adopts that the gas explosion device combines rapping device, electrostatic precipitator is still including locating four at least rapping device of the outer wall of second casing 112, first electric field unit 141 second electric field unit 142 third electric field unit 143 fourth electric field unit 143 is equallyd divide and is do not corresponded and be provided with at least one rapping device.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (9)
1. An electrostatic precipitator, characterized in that, includes an electrostatic precipitator body and a gas blasting device connected with the electrostatic precipitator body and located outside the electrostatic precipitator body, the electrostatic precipitator body includes a shell, a flue gas inlet arranged on one side of the shell, a flue gas outlet arranged on the other side of the shell, a plurality of electric field units arranged between the flue gas inlet and the flue gas outlet and along the flue gas inlet in sequence towards the flue gas outlet direction, an ash bucket arranged below each electric field unit, and a smoke dust distribution chamber communicated with the flue gas inlet and located between the flue gas inlet and the plurality of electric field units, the shell includes a first shell enclosed into the smoke dust distribution chamber, the gas blasting device is arranged on the outer wall of the first shell and the nozzle of the gas blasting device is communicated with the smoke dust distribution chamber, and when the inner wall of the first shell is accumulated with dust and part of electric field channels of the electric field units close to the smoke distribution chamber are blocked, the gas explosion device is started to remove the dust.
2. The electrostatic precipitator according to claim 1, wherein an included angle between a nozzle direction of the gas blasting device and a vertical direction is 20-40 °.
3. The electrostatic precipitator of claim 1, wherein the gas blasting device comprises a blasting ash remover, a connecting pipe connected with the blasting ash remover, and a first flange mounted at one end of the connecting pipe far away from the blasting ash remover, the housing further comprises a ring-shaped mounting groove arranged on the first housing, the middle of the ring-shaped mounting groove penetrates through the first housing, the electrostatic precipitator further comprises a mounting pipe fixedly arranged on the mounting groove and a second flange mounted at one end of the mounting pipe far away from the mounting groove, and the first flange and the second flange are detachably connected through bolts.
4. The electrostatic precipitator of claim 3 further comprising a seal plate sandwiched between the first and second flanges.
5. An electrostatic precipitator according to claim 4, wherein an ash collection space is below the soot distribution chamber.
6. An electrostatic precipitator according to any of claims 3 to 5, wherein the number of the electric field units is four, and the four electric field units are a first electric field unit, a second electric field unit, a third electric field unit and a fourth electric field unit respectively, along the direction from the flue gas inlet to the flue gas outlet.
7. An electrostatic precipitator according to claim 6, wherein the first housing includes a distribution plate adjacent to the first electric field unit, and a linear distance between a center hole of the installation groove and the distribution plate is 600 to 800 mm.
8. The electrostatic precipitator of claim 7 wherein the housing further comprises a second housing enclosing the plurality of electric field units and connected to the first housing, the first and second housings being welded to each other by a steel plate.
9. The electrostatic precipitator according to claim 8, further comprising at least four rapping devices disposed on an outer wall of the second housing, wherein each of the first electric field unit, the second electric field unit, the third electric field unit, and the fourth electric field unit is correspondingly provided with at least one rapping device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021386758.0U CN212732589U (en) | 2020-07-15 | 2020-07-15 | Electrostatic dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021386758.0U CN212732589U (en) | 2020-07-15 | 2020-07-15 | Electrostatic dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212732589U true CN212732589U (en) | 2021-03-19 |
Family
ID=75036830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021386758.0U Expired - Fee Related CN212732589U (en) | 2020-07-15 | 2020-07-15 | Electrostatic dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212732589U (en) |
-
2020
- 2020-07-15 CN CN202021386758.0U patent/CN212732589U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210319 |