CN209901499U - High-efficiency electrostatic dust collector - Google Patents

High-efficiency electrostatic dust collector Download PDF

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Publication number
CN209901499U
CN209901499U CN201920397608.0U CN201920397608U CN209901499U CN 209901499 U CN209901499 U CN 209901499U CN 201920397608 U CN201920397608 U CN 201920397608U CN 209901499 U CN209901499 U CN 209901499U
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anode
cathode
water
cleaning
cleaning tank
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CN201920397608.0U
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Chinese (zh)
Inventor
刘伟
蒋红
李奇隽
牟维民
刘峰
范卫东
李逢茂
郭春城
杨旭宁
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Shanxi Jinzhe Environmental Protection Technology Co ltd
XINJIANG TIANFU ENERGY Co Ltd
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Shanxi Jinzhe Environmental Protection Technology Co ltd
XINJIANG TIANFU ENERGY Co Ltd
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Priority to CN201920397608.0U priority Critical patent/CN209901499U/en
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Abstract

The utility model relates to a high-efficiency electrostatic dust collector, the device cathode device and the anode device are both cleaned in a wet manner, wherein the main dust collecting anode device is fixedly arranged, the anode cleaning mechanism is composed of a transmission device, at least two traction lines, a cleaning tank and a water supply pipe, the transmission device runs through the shell and is fixed through a bracket, the two ends of the traction line are respectively and fixedly connected on the rotating shaft of the transmission device and one side of the cleaning tank, wherein, the bottom of the cleaning tank is provided with a notch which can accommodate the anode device to pass through; so, the accessible rotates transmission, and the control of transmission motor plus polarity switch turns to tighten up and transfer the pull wire of being connected with the transmission pivot, the pull wire drives the washing tank and removes, and the notch can supply the anode device to pass again, thereby avoided horizontal wet dust collector or movable anode device wet-type to wash the specific dust collection area that causes little, the cross sectional area is little, the electric field is few scheduling problem, thereby improved dust collection efficiency.

Description

High-efficiency electrostatic dust collector
Technical Field
The utility model belongs to electrostatic precipitator equipment field, concretely relates to high-efficient electrostatic precipitator of wet-type.
Background
The coal-fired power plant generates a large amount of dust, high-heat steam is often mixed in the dust to form wet dust-containing gas which mainly represents harmful substances such as acid mist, liquid drops, aerosol, PM2.5 and the like, so that a pre-dust remover is required to fully pre-remove dust from the wet gas to reduce the pressure of a subsequent bag-type dust remover.
At present, the pre-dust collector adopts an electrostatic dust collection mode, which is divided into a semi-dry method and a wet method, wherein, in practical application, the wet method is more adopted, which is different from a vibration dust collection mode of a dry electrostatic dust collector, and the wet electrostatic dust collector adopts a water flow flushing mode, so that dust is removed along with the flowing of cleaning liquid. The existing horizontal wet electrostatic dust collector basically adopts a mode of arranging a nozzle or a flushing pipe at the top of a polar plate, and the washing water flows along the surface of the polar plate from top to bottom to clean the polar plate by means of the influence of gravity on the washing water. The washing mode has strong requirements on the coverage rate of washing water on the surface of the polar plate, and if the washing water does not cover the polar plate, the dust removal at the position is inevitably unsmooth, so that the efficiency and the service life of the wet electrostatic dust collector are influenced; the novel wet dust removal mode of the emerging movable polar plate covering the water film has the characteristics of small dust collection area, small cross-sectional area and less electric field in the process of enabling the polar plate to enter the water tank to cover the water film, and reduces dust collection efficiency to a certain extent.
Disclosure of Invention
The invention aims to provide an electrostatic dust collector capable of moving a cleaning water source so as to further improve dust collection efficiency.
In order to realize the purpose, the utility model discloses the technical scheme who takes is:
a high-efficiency electric dust collector comprises a shell, a cavity body, a high-voltage power supply, and a cathode device and an anode device which are arranged in the cavity body and electrically connected with the high-voltage power supply, wherein a dust inlet and a gas outlet are arranged on two sides of the shell; the cathode cleaning device comprises a water supply pipe and a plurality of groups of water spraying devices arranged on the water supply pipe, wherein the water supply pipe is arranged in parallel to the cathode device; the anode cleaning mechanism comprises a transmission device, at least two traction wires, a cleaning tank and a water supply pipe, the transmission device penetrates through the shell and is fixed through a support, two end parts of the two traction wires are respectively and fixedly connected to a rotating shaft of the transmission device and one side of the cleaning tank, a notch capable of allowing the anode device to pass through is formed in the bottom of the cleaning tank, and the water supply pipe is communicated with the cleaning tank; the bottom of the water collecting tank is provided with a first water discharging pipe, the bottom of the shell is provided with a second water discharging pipe, and the first water discharging pipe and the second water discharging pipe are provided with water discharging valves.
The embodiment of the utility model provides a beneficial effect lies in: cathode device adopts water jet equipment water spray to carry out the deashing, anode installation sets to fixed, mobilizable anode cleaning mechanism through the setting carries out the ash removal of covering water, the transmission that specifically sets up to anode cleaning mechanism runs through and arranges in the casing top, the both ends of pull wire are fixed respectively on transmission pivot and washing tank, can realize it through rotating transmission and reciprocate, the notch that can hold anode installation and pass through is seted up to the washing tank bottom in addition, when the washing tank reciprocates like this, adjust delivery pipe water supply, can realize that the washing tank water yield covers anode installation basically steadily, thereby realize anode installation's water film all standing. The problems that the conventional horizontal wet electrostatic dust collector is uneven in water coverage and polar plates are easy to corrode at water coverage deficiency positions are solved; and the problems that the dust collector has smaller dust collecting area, smaller cross section area of the polar plate and less electric field coverage caused by the fact that the anode plate can rotate to enter the water tank to cover the water film are solved, and therefore the electric field pre-dedusting efficiency is improved.
Further, in the efficient electrostatic precipitator, the cleaning tank is trapezoidal, the two sides of the cleaning tank are provided with the suspension columns, and the upper parts of the fixed side surfaces of the two suspension columns are respectively provided with the spray head and the overflow port; the at least two traction lines are respectively connected to the suspension columns on the two sides, and the water supply pipe is communicated with the injection head.
Further, in the above high efficiency electrostatic precipitator, the spray is arranged in an inclined arrangement.
Furthermore, in the efficient electrostatic dust collector, the included angle between the spray head and the horizontal plane is more than or equal to 0 and less than or equal to 30 degrees.
Further, in the efficient electrostatic dust collector, the top of the shell is also provided with a cathode suspension power distribution device which is respectively electrically connected with the high-voltage power supply and the cathode device.
Further, in the efficient electrostatic dust collector, the top of the shell is also provided with an electric box, and the cathode suspension power distribution device is arranged in the electric box.
Drawings
FIG. 1 is a schematic view of an electrostatic precipitator;
FIG. 2 is a side view of the cleaning tank;
FIG. 3 is a left side view of the cleaning tank;
FIG. 4 is a top view of the cleaning tank.
Reference numerals in the drawings of the specification include: the device comprises a shell 1, a hollow cavity a1, a dust inlet 2, an air outlet 3, a high-voltage power supply 4, a cathode device 5, an anode device 6, a cathode suspension power distribution device 7, an anode hanging beam 8, a cathode cleaning device 9, an anode cleaning mechanism 10, a water collecting tank 11, a first water discharge pipe 12, a water discharge valve 13, a second water discharge pipe 14, an electric box 15, a water supply pipe 16, a water spraying device 91, a transmission device 101, a traction line 102, a cleaning tank 103, a notch 103a, a suspension column 103b, an injection head 103c and an overflow port 103 d.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1: with reference to FIGS. 1 and 2
A high-efficiency electrostatic precipitator mainly comprises a shell 1, a hollow cavity a1, a high-voltage power supply 4, a cathode device 5 and an anode device 6, wherein the cathode device 5 and the anode device 6 are arranged in the hollow cavity a1 and are electrically connected with the high-voltage power supply 4, and a dust inlet 2 and a gas outlet 3 are formed in two sides of the shell 1; the anode device 6 is fixed on the anode hanging beam 8, the device also comprises a cathode cleaning device 9 arranged in the hollow cavity a1, an anode cleaning mechanism 10 and a water collecting tank 11, the cathode cleaning device 9 comprises a water supply pipe 16 and a plurality of groups of water spraying devices 91 arranged on the water supply pipe, wherein the water supply pipe 16 is arranged in parallel with the cathode device 5; the anode cleaning mechanism 10 comprises a transmission device 101, at least two pull wires 102, a cleaning tank 103 and a water supply pipe 16, wherein the transmission device 101 penetrates through the shell 1 and is fixed through a bracket, two end parts of the two pull wires 102 are respectively and fixedly connected to a rotating shaft of the transmission device 101 and one side of the cleaning tank 103, a notch 103a capable of accommodating the anode device 6 to pass through is formed in the bottom of the cleaning tank 103, and the water supply pipe 16 is communicated with the cleaning tank 103; a first drain pipe 12 is arranged at the bottom of the water collecting tank 11, a second drain pipe 14 is arranged at the bottom of the shell 1, and drain valves 13 are arranged on the first drain pipe 12 and the second drain pipe 14; the motor of the transmission device 101 adopts a three-phase asynchronous motor, and a polarity switch is additionally arranged between the motor and a power supply, so that the transmission device 101 can be adjusted at any time or periodically
The main dedusting process of the device is as follows: wet dust-containing gas enters a cavity a1 formed by the shell 1 through the dust inlet 2, the wet dust enters an electric field area formed by the anode device 6 and the cathode device 5 and is ionized and purified by the electric field, the purified gas is discharged through the gas outlet 3, and solid impurities containing wet dust are adsorbed on the cathode device 5 and the anode device 6 under the action of the electric field, wherein most of the solid impurities are concentrated on the anode device 6.
The cathode cleaning device 9 is arranged on the parallel side part of the cathode device 5, and is supplied to a water supply pipe 16 arranged parallel to the cathode device 5 through an external water source, a plurality of groups of water spraying devices 91 are arranged on the water supply pipe 16, so that the cathode device 5 can be periodically and completely covered and cleaned, and the cleaned cleaning water of the cathode device 5 with impurities or dirt falls into the water collecting tank 11, and part of the cleaning water flows to the bottom of the shell 1 along the side part of the shell 1, and forms accumulated water at the bottom of the shell 1.
Set up anode device 6 to fixed, cover water deashing through the mobilizable anode cleaning mechanism 10 that sets up, transmission 101 that specifically sets up anode cleaning mechanism 10 runs through and arranges in casing 1 top, the both ends of pull wire 102 are fixed respectively on transmission 101 pivot and washing tank 103, can realize it and reciprocate through rotating transmission 101, in addition the notch 103a that can hold anode device 6 and pass through is seted up to washing tank 103 bottom, when washing tank 103 reciprocates like this, adjust the delivery pipe 16 feed water volume that supplies water for washing tank 103, can realize that the washing tank 103 water yield is stable basically and cover anode device 6, thereby realize that the water film of anode device 6 covers entirely. The problems that the conventional horizontal wet electrostatic dust collector is uneven in water coverage and polar plates are easy to corrode at water coverage deficiency positions are solved; and the problems that the dust collector has smaller dust collecting area, smaller cross section area of the polar plate and less electric field coverage caused by the fact that the anode plate can rotate to enter the water tank to cover the water film are solved, and therefore the electric field pre-dedusting efficiency is improved.
When the bottom of the water collecting tank 11 overflows to the bottom of the shell 1 in the one-time or cleaning process of the cathode device 5 and the anode device 6, the sewage can be discharged or drained by simultaneously opening the drain valves 13 on the first drain pipe 12 and the second drain pipe 14.
Example 2: with reference to fig. 2 and 4
Compared with the embodiment 1, the cleaning tank 103 is designed to be trapezoidal, the two sides of the cleaning tank are provided with the hanging columns 103b, and the upper parts of the fixed side surfaces of the two hanging columns 103b are respectively provided with the spray head 103c and the overflow port 103 d; the at least two pull wires 102 are respectively connected to the suspension columns 103b at two sides, and the water supply pipe 16 is communicated with the spray head 103 c; the washing tank 103 side sets up and hangs post 103b and make pull wire 102 pull washing tank 103 more steady, sets up the shower head 103c and can improve the dynamics of washing to anode assembly 6, also can be according to actual rivers height in the washing tank 103, and control moisturizing jet output has satisfied the dynamics of washing to anode assembly 6 promptly, can realize the control to the water supply again.
Example 3: refer to FIG. 2
Compared with the embodiment 2, the difference is that the spray head 103c is arranged in an inclined arrangement type, the anode device 6 can be washed at an angle, the offset of water supply and the notch 103a of the water supply pipe 16 of the washing tank 103 is also adjusted, so that the situation that water is not supplied through the side wall edge of the washing tank 103 and is directly washed out of the washing tank 103 through the notch 103a, no water or a small amount of water is stored in the washing tank 103 is avoided, and the direct result is that when the washing tank 103 moves up and down, the anode device 6 is unevenly covered with water or is not fully covered, so that the dust collection efficiency is influenced and the service life of the device is shortened under the long-term action of high-.
Example 4: with reference to fig. 2 and 3
Compared with the embodiment 2 or the embodiment 3, the difference is that the included angle between the spray head 103c and the horizontal plane is more than or equal to alpha and less than or equal to 30 degrees, the water supply of the cleaning tank 103 in the angle range meets the washing requirement of the anode plate, and a series of problems that the water supply directly faces the washing notch 103a without being blocked along the side wall due to overlarge angle, the water supply turbulence overflows due to angle offset and the like are avoided.
Example 5: with reference to FIG. 1
Compared with at least one of the above embodiments, the difference is that the top of the housing 1 is further provided with a cathode suspension power distribution device 7 which is electrically connected with the high-voltage power supply 4 and the cathode device 5 respectively, the arrangement is firstly more stable, and secondly, the high-voltage power supply 4 and the anode device 6 are prevented from touching the housing 1 after being connected, so that the power distribution safety is improved.
Example 6: with reference to FIG. 1
Compared with the embodiment 5, the difference is that the top of the shell 1 is also provided with the electric box 15, the cathode suspends the power distribution device 7 in a suspending way and is arranged in the electric box 15, and the electric box 15 is additionally arranged, so that the capacity of the power distribution device adapting to the external arrangement environment is improved, and the power distribution safety of the whole device is improved.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (6)

1. A high-efficiency electrostatic dust collector comprises a shell (1), a cavity (a1), a high-voltage power supply (4), and a cathode device (5) and an anode device (6) which are arranged in the cavity (a1) and electrically connected with the high-voltage power supply (4), wherein a dust inlet (2) and a gas outlet (3) are arranged on two sides of the shell (1); the method is characterized in that: the device also comprises a cathode cleaning device (9), an anode cleaning mechanism (10) and a water collecting tank (11) which are arranged in the hollow cavity (a1), wherein the cathode cleaning device (9) comprises a water supply pipe (16) and a plurality of groups of water spraying devices (91) which are arranged on the water supply pipe, and the water supply pipe (16) is arranged in parallel to the cathode device (5); the anode cleaning mechanism (10) comprises a transmission device (101), at least two pull wires (102), a cleaning tank (103) and a water supply pipe (16), wherein the transmission device (101) penetrates through the shell (1) and is fixed through a support, two end parts of the two pull wires (102) are respectively and fixedly connected to a rotating shaft of the transmission device (101) and the side of the cleaning tank (103), a notch (103a) capable of accommodating the anode device (6) to pass through is formed in the bottom of the cleaning tank (103), and the water supply pipe (16) is communicated with the cleaning tank (103); the water collecting tank (11) bottom is equipped with drain pipe (12) No. one, and casing (1) bottom is equipped with drain pipe (14) No. two, all be provided with drain valve (13) on drain pipe (12) and drain pipe (14) No. two.
2. The high efficiency electrostatic precipitator of claim 1, wherein: the cleaning tank (103) is in a trapezoid shape, two sides of the cleaning tank are provided with hanging columns (103b), and the upper parts of the fixed side surfaces of the two hanging columns (103b) are respectively provided with an injection head (103c) and an overflow port (103 d); the at least two pull wires (102) are respectively connected to the suspension columns (103b) on two sides, and the water supply pipe (16) is communicated with the spray head (103 c).
3. The high efficiency electrostatic precipitator of claim 2, wherein: the ejection head (103c) is provided in an inclined arrangement.
4. A high efficiency electrostatic precipitator as claimed in any of claims 2 or 3, wherein: the included angle between the spray head (103c) and the horizontal plane is more than or equal to 0 and less than or equal to 30 degrees.
5. A high efficiency electrostatic precipitator as claimed in any of claims 1 to 3, wherein: the top of the shell (1) is also provided with a cathode suspension distribution device (7) which is respectively electrically connected with the high-voltage power supply (4) and the cathode device (5).
6. The high efficiency electrostatic precipitator of claim 5, wherein: an electric box (15) is further arranged at the top of the shell (1), and the cathode suspension power distribution device (7) is arranged in the electric box (15).
CN201920397608.0U 2019-03-27 2019-03-27 High-efficiency electrostatic dust collector Active CN209901499U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920397608.0U CN209901499U (en) 2019-03-27 2019-03-27 High-efficiency electrostatic dust collector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920397608.0U CN209901499U (en) 2019-03-27 2019-03-27 High-efficiency electrostatic dust collector

Publications (1)

Publication Number Publication Date
CN209901499U true CN209901499U (en) 2020-01-07

Family

ID=69033304

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920397608.0U Active CN209901499U (en) 2019-03-27 2019-03-27 High-efficiency electrostatic dust collector

Country Status (1)

Country Link
CN (1) CN209901499U (en)

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