CN212663886U - Annular wet-type electrostatic precipitator washing unit - Google Patents
Annular wet-type electrostatic precipitator washing unit Download PDFInfo
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- CN212663886U CN212663886U CN202021816793.1U CN202021816793U CN212663886U CN 212663886 U CN212663886 U CN 212663886U CN 202021816793 U CN202021816793 U CN 202021816793U CN 212663886 U CN212663886 U CN 212663886U
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Abstract
The utility model discloses a washing device of an annular wet-type electric dust collector, which comprises a cylinder body, an air inlet pipe arranged at the lower part of the cylinder body and an air outlet pipe arranged at the upper part of the cylinder body, wherein the washing device comprises a central main pipe, a plurality of central branch pipes arranged on the central main pipe, an annular main pipe arranged at the outer side of the central main pipe and a plurality of edge branch pipes arranged on the annular main pipe; a plurality of central nozzles are arranged on the central branch pipe, an annular pipe outer side nozzle is arranged at one end of the edge branch pipe, and an annular pipe inner side nozzle is arranged at the other end of the edge branch pipe; and a water outlet pipe of the circulating water pump is communicated with the central main pipe. The utility model discloses be responsible for one side at the center and set up the annular and be responsible for, set up a plurality of edge branch pipes on the annular is responsible for, edge branch pipe one end is equipped with ring canal outside nozzle, and the edge branch pipe other end is equipped with the inboard nozzle of ring canal, has realized washing comprehensively of positive pole pipe, has reduced the fault rate of wet electricity operation.
Description
Technical Field
The utility model belongs to the technical field of wet-type electrostatic precipitator, in particular to ring type wet-type electrostatic precipitator washing unit.
Background
The wet electric dust remover has the advantages of stable operation, wide adaptive conditions and the like, is widely applied to various large steel plants, power plants and coking plants, and has the ultralow emission of 5mg/Nm3The wet-type electric dust removal has obvious advantages. As shown in fig. 2, the wet electric dust collector comprises a plurality of anode tubes 8, each anode tube 8 comprises a cathode wire 9, and dust particles are adsorbed to the inner surface of each anode tube 8 through the discharge of the cathode wires 9, so that the dust removal purpose is achieved. After adsorbing dust particles, a part of the anode pipe 8 falls off along with the accumulation of dust, most of the anode pipe needs to be washed by water clearly, the existing washing water pipes are all arranged in a rake type pipeline, as shown in fig. 1, the anode pipe comprises a central main pipe 17 and a plurality of central branch pipes 18 vertically connected with the horizontal plane of the central main pipe 17, and each central branch pipe 18 is provided with a plurality of central nozzles 19.
The wet-type electrostatic precipitator structural style is not complicated, nevertheless requires harsh to the operating condition, and the wet-type electrostatic precipitator mostly reason of stopping the fortune is that the current pipeline can't transmit power, and every power plant will cause whole power plant to have a power failure to can't move as long as there is 1 positive pole pipe short circuit, finally influences discharge to reach standard. Under the prerequisite of correct installation negative pole line, the current pipeline's most reason is that water washing system adopts the harrow formula pipeline arrangement mode, can not realize covering the washing comprehensively to the anode tube, washes occasionally dead angle, thoroughly, and deposition thickness increases gradually, and negative pole line and anode tube are connected the electric short circuit.
Disclosure of Invention
The utility model aims at overcoming not enough among the prior art, providing an annular wet-type electrostatic precipitator washing unit, being responsible for one side at the center and having set up the annular and be responsible for, set up a plurality of marginal branch pipes on the annular is responsible for, and marginal branch pipe one end is equipped with ring canal outside nozzle, and the marginal branch pipe other end is equipped with the inboard nozzle of ring canal, has realized the comprehensive washing of positive pole pipe, has reduced the fault rate of wet electricity operation.
In order to realize the purpose, the utility model discloses a technical scheme is:
the annular wet-type electric dust collector flushing device comprises a barrel, an air inlet pipe arranged at the lower part of the barrel and an air outlet pipe arranged at the upper part of the barrel, wherein a plurality of anode pipes are arranged in the barrel; the upper part of the hanger is provided with a flushing device, the flushing device comprises a central main pipe, a plurality of central branch pipes arranged on the central main pipe, an annular main pipe arranged on the outer side of the central main pipe and a plurality of edge branch pipes arranged on the annular main pipe, the central main pipe and the annular main pipe are communicated at the water inlet side and are not communicated at the tail end, and the connection only plays a role in structural support; the central branch pipe is provided with a plurality of central nozzles, one end of the edge branch pipe is provided with an annular pipe outer side nozzle, and the other end of the edge branch pipe is provided with an annular pipe inner side nozzle; and a water outlet pipe of the circulating water pump is communicated with the central main pipe.
The power failure or the current of wet-type electrostatic precipitator power plant fall to a certain degree, start circulating water pump, circulating water pump sends the flush fluid into the center and is responsible for and annular main pipe in, redisperses in center branch pipe and the edge branch pipe, sprays the positive pole pipe through the nozzle on, washes the positive pole pipe, and the annular is washed and has been realized overall covering to the positive pole pipe and wash, has guaranteed the washing effect of positive pole pipe to wet-type electrostatic precipitator subsequent dust removal effect has been guaranteed.
As a further preferred of this technical scheme, the inside gas distribution board that is equipped with of barrel, the gas distribution board sets up in intake pipe upper portion, is equipped with a plurality of gas distribution holes on the gas distribution board, and the gas distribution board has guaranteed the homogeneity of flue gas at the inside distribution of barrel to wet-type electrostatic precipitator's dust collection efficiency has been guaranteed.
As a further preferred option of the technical scheme, the inside of the air distribution hole is movably connected with a rotor, the outside of the rotor is provided with a plurality of brushes which are uniformly arranged, and the outer ends of the brushes are attached to the inner wall of the air distribution hole; when air is normally supplied, the flue gas blows the rotor to rotate to dry the inner wall of the air distribution hole, so that the air distribution hole is prevented from being blocked by dust; when the washing machine is used for washing, the washing liquid on the upper portion impacts the rotor to drive the rotor to rotate, wet brushing is conducted on the inner wall of the air distribution hole, and the air distribution hole is further prevented from being blocked.
As a further preferred of this technical scheme, the slope of barrel bottom is arranged, and is close to the height that highly is higher than keeping away from inlet tube one side of inlet tube one side, and the barrel head of slope is convenient for the clearance of assembling of mud, and has avoided mud to get into circulating water pump through the inlet tube and has caused circulating water pump wearing and tearing.
As a further optimization of the technical scheme, one side of the water inlet pipe is provided with the filter cylinder, and the filter cylinder further prevents sludge from entering the circulating water pump to cause abrasion to the circulating water pump.
As a further preferred of this technical scheme, barrel upper portion is equipped with the defroster, the defroster is the board-like defroster of whirl, and the defroster includes support ring, blind plate, connects through a plurality of whirl blades between support ring and the blind plate, and the whirl blade carries out the entrapment to the moisture in the flue gas, has reduced the water content of discharging the flue gas.
As a further preference of the technical scheme, the central nozzle is a 120-degree single-head unidirectional hollow cone nozzle, and the annular pipe outer side nozzle and the annular pipe inner side nozzle are both 90-degree single-head unidirectional hollow cone nozzles; the central nozzle and the nozzles at the inner side of the circular pipe are vertically arranged downwards, the nozzles at the outer side of the circular pipe are obliquely arranged towards the center of the cylinder body, the inclination angle is 15-25 degrees, and the washing of the washing liquid sprayed by the nozzles at the outer side of the circular pipe on the inner wall of the cylinder body is reduced.
The utility model has the advantages that:
1) the annular main pipe is arranged on one side of the central main pipe, the edge branch pipes are arranged on the annular main pipe, the nozzles on the outer side of the ring pipe are arranged at one ends of the edge branch pipes, and the nozzles on the inner side of the ring pipe are arranged at the other ends of the edge branch pipes, so that the anode pipe is comprehensively washed, and the failure rate of wet-electricity operation is reduced.
2) The inside gas distribution board that is equipped with of barrel sets up in intake pipe upper portion, is equipped with a plurality of gas distribution holes on the gas distribution board, and the gas distribution board has guaranteed the homogeneity of flue gas at the inside distribution of barrel to wet-type electrostatic precipitator's dust collection efficiency has been guaranteed.
3) The inner part of the air distribution hole is movably connected with a rotor, a plurality of brushes which are uniformly arranged are arranged outside the rotor, and the outer ends of the brushes are attached to the inner wall of the air distribution hole; when air is normally supplied, the flue gas blows the rotor to rotate to dry the inner wall of the air distribution hole, so that the air distribution hole is prevented from being blocked by dust; when the washing machine is used for washing, the washing liquid on the upper portion impacts the rotor to drive the rotor to rotate, wet brushing is conducted on the inner wall of the air distribution hole, and the air distribution hole is further prevented from being blocked.
4) The barrel bottom slope is arranged, and is close to the height that highly is higher than one side of keeping away from the inlet tube of inlet tube one side on one side of the inlet tube, and the barrel head of slope is convenient for assemble clearance of mud, and has avoided mud to get into circulating water pump through the inlet tube and has caused circulating water pump wearing and tearing.
5) One side of the water inlet pipe is provided with a filter drum, and the filter drum further prevents sludge from entering the circulating water pump to cause abrasion to the circulating water pump.
6) The barrel upper portion is equipped with the defroster, and the defroster is the board-like defroster of whirl, and the defroster includes support ring, blind plate, connects through a plurality of whirl blades between support ring and blind plate, and the whirl blade carries out the entrapment to the moisture in the flue gas, has reduced the water content of discharging the flue gas.
7) The central nozzle is a 120-degree single-head unidirectional hollow cone nozzle, and the outer side nozzle of the ring pipe and the inner side nozzle of the ring pipe are both 90-degree single-head unidirectional hollow cone nozzles; the central nozzle and the nozzles at the inner side of the circular pipe are vertically arranged downwards, the nozzles at the outer side of the circular pipe are arranged towards the center of the cylinder in an inclined mode, the inclined angle is 15-25 degrees, and the washing of the washing liquid sprayed by the nozzles at the outer side of the circular pipe on the inner wall of the cylinder is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a wet electric dust collector washing device in the prior art.
FIG. 2 is a schematic view of the installation position of the flushing device of the annular wet-type electrostatic precipitator.
FIG. 3 is a schematic structural view of the flushing device of the annular wet-type electrostatic precipitator.
FIG. 4 is an assembly diagram of nozzles outside the middle ring tube of the washing device of the ring wet-type electrostatic precipitator.
FIG. 5 is a schematic view of the flushing range of the flushing device of the annular wet electrostatic precipitator.
Fig. 6 is a schematic view of a part a of the washing device of the ring-type wet electrostatic precipitator of the present invention shown in fig. 2.
FIG. 7 is a schematic diagram of a demister structure in the washing device of the annular wet-type electrostatic precipitator.
In the figure: 1. a barrel; 2. an air inlet pipe; 3. an air outlet pipe; 4. a gas distribution plate; 5. distributing air holes; 6. a rotor; 7. a brush; 8. an anode tube; 9. a cathode line; 10. a hanger; 11. a weight; 12. a feed insulator box; 13. a water circulating pump; 14. a water inlet pipe; 15. a filter cartridge; 16. a water outlet pipe; 17. a central main tube; 18. a central branch pipe; 19. a central nozzle; 20. a ring main pipe; 21. an edge branch pipe; 22. a nozzle at the outer side of the ring pipe; 23. a nozzle at the inner side of the ring pipe; 24. a demister; 25. a support ring; 26. a swirl vane; 27. a blind plate;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-7, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, a particular orientation configuration, and operation, and therefore, should not be construed as limiting the present invention.
The annular wet-type electric dust collector washing device comprises a cylinder body 1, an air inlet pipe 2 arranged at the lower part of the cylinder body 1 and an air outlet pipe 3 arranged at the upper part of the cylinder body 1, wherein a plurality of anode pipes 8 are arranged inside the cylinder body 1, cathode wires 9 are arranged inside the anode pipes 8, the upper ends of the cathode wires 9 are connected to a hanging bracket 10, heavy hammers 11 are arranged at the lower ends of the cathode wires 9, a plurality of feed insulator boxes 12 are arranged at the upper part of the cylinder body 1, and the lower parts of the feed insulator boxes 12 are connected with the hanging bracket 10 through conducting wires; the upper part of the hanger 10 is provided with a flushing device, the flushing device comprises a central main pipe 17, a plurality of central branch pipes 18 arranged on the central main pipe 17, an annular main pipe 20 arranged on the outer side of the central main pipe 17 and a plurality of edge branch pipes 21 arranged on the annular main pipe 20, the central main pipe 17 and the annular main pipe 20 are communicated on the water inlet side, the tail ends are not communicated, and the connection only plays a role in structural support; a plurality of central nozzles 19 are arranged on the central branch pipe 18, a ring pipe outer side nozzle 22 is arranged at one end of the edge branch pipe 21, and a ring pipe inner side nozzle 23 is arranged at the other end of the edge branch pipe 21; and a circulating water pump 13 is arranged on one side of the cylinder body 1, a water inlet pipe 14 of the circulating water pump 13 extends into the cylinder body 1, and a water outlet pipe 16 of the circulating water pump 13 is communicated with a central main pipe 17.
The power failure or the electric current of wet-type electrostatic precipitator power plant fall to a certain degree, start circulating water pump 13, circulating water pump 13 sends into the central person in charge 17 and the ring-shaped person in charge 20 with the flush fluid, redisperses in central branch pipe 18 and edge branch pipe 21, sprays the positive pole pipe 8 through the nozzle on, washes positive pole pipe 8, and the ring-shaped washes and has realized that overall coverage washes positive pole pipe 8, has guaranteed the washing effect of positive pole pipe 8 to the subsequent dust removal effect of wet-type electrostatic precipitator has been guaranteed.
In this embodiment, 1 inside gas distribution plate 4 that is equipped with of barrel, gas distribution plate 4 sets up in 2 upper portions of intake pipe, is equipped with a plurality of gas distribution holes 5 on gas distribution plate 4, and gas distribution plate 4 has guaranteed the homogeneity of flue gas at 1 inside distributions of barrel to wet-type electrostatic precipitator's dust collection efficiency has been guaranteed.
In this embodiment, the inside of the air distribution hole 5 is movably connected with a rotor 6, a plurality of brushes 7 which are uniformly arranged are arranged outside the rotor 6, and the outer ends of the brushes 7 are attached to the inner wall of the air distribution hole 5; when air is normally supplied, the flue gas blows the rotor 6 to rotate to dry the inner wall of the air distribution hole 5, so that the air distribution hole 5 is prevented from being blocked by dust; when washing, the washing liquid on the upper part impacts the rotor 6 to drive the rotor 6 to rotate, so that the inner wall of the air distribution hole 5 is subjected to wet brushing, and the blockage of the air distribution hole 5 is further avoided.
In this embodiment, the slope of barrel 1 bottom is arranged, and is close to the height that highly is higher than the height of keeping away from inlet tube 14 one side on one side of inlet tube 14, and the barrel head of slope is convenient for the clearance of assembling of dirt, and has avoided dirt to get into circulating water pump 13 through inlet tube 14 and has caused circulating water pump 13 wearing and tearing.
In this embodiment, a filter cartridge 15 is disposed on one side of the water inlet pipe 14, and the filter cartridge further prevents mud from entering the circulating water pump 13 and causing abrasion to the circulating water pump 13.
In this embodiment, barrel 1 upper portion is equipped with defroster 24, defroster 24 is the board-like defroster 24 of whirl, and defroster 24 includes support ring 25, blind plate 27, connects through a plurality of whirl blades 26 between support ring 25 and blind plate 27, and whirl blade 26 carries out the entrapment to the moisture in the flue gas, has reduced the water content of discharging the flue gas.
In this embodiment, the central nozzle 19 is a 120 ° single-head unidirectional hollow cone nozzle, and both the annular pipe outer side nozzle 22 and the annular pipe inner side nozzle 23 are 90 ° single-head unidirectional hollow cone nozzles; the central nozzle 19 and the annular pipe inner side nozzle 23 are vertically and downwards arranged, the annular pipe outer side nozzle 22 is obliquely arranged towards the center of the cylinder body 1, the inclination angle is 15-25 degrees, and the washing of the washing liquid sprayed by the annular pipe outer side nozzle 22 to the inner wall of the cylinder body 1 is reduced.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (9)
1. The annular wet-type electric dust collector flushing device comprises a barrel, an air inlet pipe arranged at the lower part of the barrel and an air outlet pipe arranged at the upper part of the barrel, wherein a plurality of anode pipes are arranged in the barrel; the device is characterized in that a flushing device is arranged at the upper part of the hanger and comprises a central main pipe, a plurality of central branch pipes arranged on the central main pipe, an annular main pipe arranged at the outer side of the central main pipe and a plurality of edge branch pipes arranged on the annular main pipe, wherein the central main pipe is communicated with the annular main pipe at the water inlet side, and the tail ends of the central main pipe and the annular main pipe are not communicated; the central branch pipe is provided with a plurality of central nozzles, one end of the edge branch pipe is provided with an annular pipe outer side nozzle, and the other end of the edge branch pipe is provided with an annular pipe inner side nozzle; and a water outlet pipe of the circulating water pump is communicated with the central main pipe.
2. The annular wet electric dust collector flushing device according to claim 1, wherein a gas distribution plate is arranged inside the cylinder and arranged on the upper portion of the gas inlet pipe, and a plurality of gas distribution holes are formed in the gas distribution plate.
3. The annular wet electric dust collector washing device as claimed in claim 2, wherein the inside of the air distribution hole is movably connected with a rotor, a plurality of brushes are uniformly arranged outside the rotor, and the outer ends of the brushes are attached to the inner wall of the air distribution hole.
4. The annular wet electric dust collector washing device as claimed in claim 1, wherein the bottom of the cylinder is arranged obliquely, and the height of the side close to the water inlet pipe is higher than the height of the side far away from the water inlet pipe.
5. The annular wet electric dust collector washing device as claimed in claim 1, wherein a filter cartridge is arranged on one side of the water inlet pipe.
6. The annular wet electric dust collector washing device as claimed in claim 1, wherein a demister is arranged at the upper part of the cylinder.
7. The annular wet electric dust collector washing device of claim 6, wherein the demister is a cyclone plate type demister, the demister comprises a support ring and a blind plate, and the support ring and the blind plate are connected through a plurality of cyclone blades.
8. The annular wet-type electric dust collector washing device as claimed in claim 1, wherein the central nozzle is a 120-degree single-head one-way hollow cone nozzle, and the outer side nozzle and the inner side nozzle of the ring pipe are both 90-degree single-head one-way hollow cone nozzles; the central nozzle and the nozzles at the inner side of the ring pipe are vertically arranged downwards, and the nozzles at the outer side of the ring pipe are obliquely arranged towards the center of the cylinder body.
9. The annular wet electric dust collector washing device as claimed in claim 8, wherein the inclination angle of the nozzles outside the loop is 15-25 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021816793.1U CN212663886U (en) | 2020-08-26 | 2020-08-26 | Annular wet-type electrostatic precipitator washing unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021816793.1U CN212663886U (en) | 2020-08-26 | 2020-08-26 | Annular wet-type electrostatic precipitator washing unit |
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| Publication Number | Publication Date |
|---|---|
| CN212663886U true CN212663886U (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021816793.1U Active CN212663886U (en) | 2020-08-26 | 2020-08-26 | Annular wet-type electrostatic precipitator washing unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115487656A (en) * | 2022-11-15 | 2022-12-20 | 张家港市锦明机械有限公司 | Glass production flue gas desulfurization system |
-
2020
- 2020-08-26 CN CN202021816793.1U patent/CN212663886U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115487656A (en) * | 2022-11-15 | 2022-12-20 | 张家港市锦明机械有限公司 | Glass production flue gas desulfurization system |
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