CN219664009U - Lower mechanical vibrating type electric dust remover - Google Patents
Lower mechanical vibrating type electric dust remover Download PDFInfo
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- CN219664009U CN219664009U CN202321335061.4U CN202321335061U CN219664009U CN 219664009 U CN219664009 U CN 219664009U CN 202321335061 U CN202321335061 U CN 202321335061U CN 219664009 U CN219664009 U CN 219664009U
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- electric field
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- rapping
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- 239000000428 dust Substances 0.000 title claims abstract description 70
- 230000005684 electric field Effects 0.000 claims abstract description 49
- 239000012716 precipitator Substances 0.000 claims description 12
- 239000012717 electrostatic precipitator Substances 0.000 claims description 2
- 230000008676 import Effects 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Electrostatic Separation (AREA)
Abstract
The utility model discloses a lower mechanical vibrating-type electric dust collector, which comprises a dust collection shell, wherein an inlet horn and an outlet horn are arranged on two sides of the dust collection shell, a plurality of rows of dust collection anodes and a plurality of rows of high-voltage cathodes are arranged in the dust collection shell, the dust collection anodes and the high-voltage cathodes are arranged in a staggered mode, the distance between each dust collection anode and each high-voltage cathode is an inter-pole distance, an anode vibrating device is arranged below each row of dust collection anodes, a longitudinal connecting rod is arranged on the lower side of each row of dust collection anodes, a transverse connecting rod is arranged on the lower side of each row of high-voltage cathodes, the distance between each transverse connecting rod and each anode vibrating device is not smaller than the inter-pole distance, and the distance between each longitudinal connecting rod and each transverse connecting rod in the vertical direction is not smaller than the inter-pole distance. The utility model avoids the problem that the length of the electric field direction is increased due to the arrangement of the anode rapping device below one side of the dust collection anode by the conventional electric dust collector by arranging the anode rapping device below the dust collection anode and the high-voltage cathode.
Description
[ field of technology ]
The utility model relates to the technical field of flue gas purification, in particular to the technical field of electric dust collectors.
[ background Art ]
The vibration ash removing device of the traditional electric dust collector mainly comprises electromagnetic vibration and mechanical vibration. The electromagnetic vibration is arranged at the top of the electric dust collector, a large insulation box is required to be equipped, and the problems of small vibration force, high electric heating operation energy consumption of the large insulation box and high one-time investment cost exist. The mechanical vibration of the anode of the electric dust collector is generally configured at the side part of the bottom, the vibration effect is good, the vibration force is enough, but the space occupied by the electric field of the electric dust collector in the length direction is large, so that the defects of long length direction, large steel consumption and the like of the electric dust collector are caused.
The patent document with the application number of CN201010129137.9 discloses a top-bottom composite rapping electric precipitator with changeable rapping intensity, the rapping intensity can be regulated according to factors such as the accumulated ash thickness by a crank arm and a driven gear, but the length direction of each electric field still needs about 1900mm as the rapping space length, and the ineffective space in the length direction of the electric field cannot be reduced; the patent document with the application number of CN98247159.9 discloses a top mechanical rapping electric precipitator, wherein a mechanical rotary type rapping ash removing device is arranged above the top of a cathode wire, and the length of each electric field in the length direction is required to be 1900mm or so as to be reduced to 750mm or so by changing the position of the cathode rapping device, but the anode rapping device still occupies the length in the larger electric field direction.
[ utility model ]
The utility model aims to solve the problems in the prior art, and provides a lower mechanical vibrating-type electric dust collector which can solve the problems.
In order to achieve the above purpose, the utility model provides a lower mechanical rapping type electric precipitator, which comprises a dedusting shell, wherein an inlet horn and an outlet horn are arranged on two sides of the dedusting shell, a plurality of rows of dust collecting anodes and a plurality of rows of high-voltage cathodes are arranged in the dedusting shell, the dust collecting anodes and the high-voltage cathodes are arranged in a staggered mode, the distance between the dust collecting anodes and the high-voltage cathodes is an inter-pole distance, an anode rapping device is arranged below each row of dust collecting anodes, a longitudinal connecting rod is arranged on the lower side of each row of dust collecting anodes, a transverse connecting rod is arranged on the lower side of each row of high-voltage cathodes, the distance between the transverse connecting rod and the anode rapping device is not smaller than the inter-pole distance, and the distance between the longitudinal connecting rod and the transverse connecting rod in the vertical direction is not smaller than the inter-pole distance.
Preferably, a first electric field, a second electric field and a third electric field are sequentially arranged in the dust removing shell, the first electric field is only provided with a dust collecting anode, the second electric field is provided with a dust collecting anode and a high-voltage cathode, the third electric field is only provided with a high-voltage cathode, an ash bucket is arranged at the bottom of each electric field, and the anode vibrating device is located below the high-voltage cathode.
Preferably, the inter-electrode distance is-mm.
Preferably, the anode rapping device comprises a rapping hammer, a rapping anvil and supporting rods, wherein at least two supporting rods are arranged on the lower side of the longitudinal connecting rod, the supporting rods are connected with the rapping anvil, and the distance between the supporting rods and the transverse connecting rod is not smaller than the heteropolar distance.
Preferably, a fourth electric field and a fifth electric field are further arranged between the third electric field and the outlet horn, and no electrode is arranged in the fourth electric field and the fifth electric field.
Preferably, a cathode rapping device is arranged above each row of high-voltage cathodes.
The utility model has the beneficial effects that: according to the utility model, the anode rapping device is arranged below the dust collection anode and the high-voltage cathode, so that the problem that the length of the electric field direction is increased due to the arrangement of the anode rapping device below one side of the dust collection anode by a conventional electric dust collector is avoided, the utilization rate of the electric dust collector to the space is improved, the problem of site limitation is relieved, and the steel consumption of the electric dust collector is reduced; in order to ensure that the high-voltage cathode keeps high voltage, the distance between the anode vibrating device and the high-voltage cathode is not smaller than the inter-electrode distance, so that no creepage breakdown is ensured, and the electric field is ensured to have enough potential difference.
The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a right side view of the present utility model.
In the figure: 1-inlet horn, 2-dust collecting anode, 3-high voltage cathode, 4-outlet horn, 5-anode rapping device, 6-ash bucket, 7-cathode rapping device, 21-longitudinal connecting rod, 31-transverse connecting rod, 51-rapping hammer, 52-rapping anvil and 53-supporting rod.
[ detailed description ] of the utility model
Referring to fig. 1 and 2, the lower mechanical rapping type electric precipitator comprises a dedusting shell, an inlet horn 1 and an outlet horn 4 are arranged on two sides of the dedusting shell, a plurality of rows of dust collecting anodes 2 and a plurality of rows of high-voltage cathodes 3 are arranged in the dedusting shell, the dust collecting anodes 2 and the high-voltage cathodes 3 are arranged in a staggered mode, the distance between each dust collecting anode 2 and each high-voltage cathode 3 is an inter-pole distance, an anode rapping device 5 is arranged below each row of dust collecting anodes 2, a longitudinal connecting rod 21 is arranged on the lower side of each row of dust collecting anodes 2, a transverse connecting rod 31 is arranged on the lower side of each row of high-voltage cathodes 3, the distance between the transverse connecting rod 31 and the anode rapping device 5 is not smaller than the inter-pole distance, the distance between the longitudinal connecting rod 21 and the transverse connecting rod 31 in the vertical direction is not smaller than the inter-pole distance, a first electric field, a second electric field and a third electric field are sequentially arranged in the dedusting shell, the first electric field only sets the dust collecting anodes 2, the second electric field sets the anodes 2 and the high-voltage cathodes 3, the third electric field only sets the high-voltage cathodes 3, an ash bucket 6 is arranged at the bottom of each electric field, the anode rapping device 5 is arranged below the high-voltage cathodes 3, the inter-pole rapping device is arranged between the inter-pole 3 and the inter-pole electrode 3, the inter-pole distance between the anvil and the anvil 53 is not smaller than the cathode 53 mm, the inter-pole 5 is arranged between the fifth electric field and the fourth electric field and the air supporting rod 53 is arranged, and the inter-pole 53 is arranged between the inter-pole 5, and the inter-pole distance between the inter-pole device is not smaller than the inter-pole distance between the inter-pole distance 53 and the inter-pole distance and the inter-pole electrode distance and the air electrode 5 and the air electrode and the air-phase device is arranged between the air and is arranged.
Other structures of the device remain consistent with the prior art.
The working process of the utility model comprises the following steps:
in the working process, the anode rapping device rotates the rapping hammer and shakes the rapping anvil through a motor and other power sources, the rapping force is transmitted to the supporting rod through the rapping anvil and then to the longitudinal connecting rod, and finally to a row of anode plates, so that the rapping ash removal of the anode plates is completed, and the effective transmission of the rapping force is achieved.
Example one: certain project is according to the dust collection efficiency and export dust concentration that coal, ash composition selection and electrostatic precipitator performance requirement need to reach, and the selection result is: model of electric dust collector: 5 electric fields, each 4.5 meters long, 2 x 13.6 meters wide and 15 meters high. When a conventional mechanical rapping electric precipitator is adopted, the distance between the first row and the last row of upright posts of the flue gas flow to the electric precipitator is 5 multiplied by 5.25 meters, and the length of each electric field of the electric precipitator is 4.5 meters of the effective length of the electric field+0.75 meter of the length required by the overhauling and rapping device. After the utility model is adopted, the effective dust collection area of the electric dust collector is the same under the same electric dust collector model, the dust collection efficiency and the performance indexes such as the outlet dust concentration are the same, the distance between the first row of the upright posts and the last row of the upright posts of the electric dust collector is 5 multiplied by 4.9 meters, the length of each electric field of the electric dust collector is 4.5 meters, the effective length of the electric field is +0.45 meter, the length of the electric field is reduced by 1.5 meters, the steel consumption of the electric dust collector is reduced by more than 5.5 percent, which is equivalent to the cost reduction of more than 5.5 percent, and the problem that the length requirement of the electric field direction of the electric dust collector cannot be met due to the limitation of part of project sites is solved.
Example two: in a certain coal-fired power plant reconstruction project, the original electric dust collector cannot meet the latest environmental protection requirement, and the dust collection area is required to be increased by 5%, but the old unit cannot be widened and lengthened due to site limitation, and the rapping force limitation cannot be heightened. After the utility model is adopted, all anode rapping devices are arranged below the dust collection anode, so that the space utilization rate in the length direction of the electric field is improved, other position equipment of the electric dust collector is not required to be changed, and the dust collection area of 5% is satisfied.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (6)
1. The utility model provides a below machinery rapping formula electrostatic precipitator which characterized in that: including the dust removal casing, the both sides of dust removal casing are equipped with import loudspeaker (1) and export loudspeaker (4), are equipped with a plurality of rows of dust collecting anode (2) and a plurality of rows of high-pressure negative poles (3) in the dust removal casing, dust collecting anode (2) and high-pressure negative pole (3) staggered arrangement, the distance of dust collecting anode (2) and high-pressure negative pole (3) is the heteropolar interval, and the below of every row of dust collecting anode (2) is equipped with anode rapping device (5), and the downside of every row of dust collecting anode (2) sets up vertical connecting rod (21), and the downside of every row of high-pressure negative pole (3) is equipped with transverse connecting rod (31), and the interval of transverse connecting rod (31) and anode rapping device (5) is not less than the heteropolar interval, vertical orientation and transverse connecting rod (31) interval are not less than the heteropolar interval.
2. A lower mechanical rapping type electric precipitator according to claim 1, in which: the dust removing device is characterized in that a first electric field, a second electric field and a third electric field are sequentially arranged in the dust removing shell, the first electric field is only provided with a dust collecting anode (2), the second electric field is provided with the dust collecting anode (2) and a high-voltage cathode (3), the third electric field is only provided with the high-voltage cathode (3), an ash bucket (6) is arranged at the bottom of each electric field, and an anode vibrating device (5) is located below the high-voltage cathode (3).
3. A lower mechanical rapping type electric precipitator according to claim 1, in which: the inter-electrode distance is 150-300mm.
4. A lower mechanical rapping type electric precipitator according to claim 1, in which: the anode vibrating device (5) comprises a vibrating hammer (51), a vibrating anvil (52) and supporting rods (53), at least two supporting rods (53) are arranged on the lower side of the longitudinal connecting rod (21), the supporting rods (53) are connected with the vibrating anvil (52), and the distance between the supporting rods (53) and the transverse connecting rod (31) is not smaller than the heteropolar distance.
5. A lower mechanical rapping type electric precipitator according to claim 2, in which: and a fourth electric field and a fifth electric field are also arranged between the third electric field and the outlet horn (4), and electrodes are not arranged in the fourth electric field and the fifth electric field.
6. A lower mechanical rapping type electric precipitator according to claim 1, in which: a cathode rapping device (7) is arranged above each row of high-voltage cathodes (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321335061.4U CN219664009U (en) | 2023-05-30 | 2023-05-30 | Lower mechanical vibrating type electric dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321335061.4U CN219664009U (en) | 2023-05-30 | 2023-05-30 | Lower mechanical vibrating type electric dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219664009U true CN219664009U (en) | 2023-09-12 |
Family
ID=87922965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321335061.4U Active CN219664009U (en) | 2023-05-30 | 2023-05-30 | Lower mechanical vibrating type electric dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219664009U (en) |
-
2023
- 2023-05-30 CN CN202321335061.4U patent/CN219664009U/en active Active
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