CN109909067B - A wet electrostatic precipitator with an adjustable air distribution device - Google Patents
A wet electrostatic precipitator with an adjustable air distribution device Download PDFInfo
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- CN109909067B CN109909067B CN201910125212.5A CN201910125212A CN109909067B CN 109909067 B CN109909067 B CN 109909067B CN 201910125212 A CN201910125212 A CN 201910125212A CN 109909067 B CN109909067 B CN 109909067B
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Abstract
本发明属于烟气净化技术领域，公开了一种带可调式均风装置的湿式静电除尘器。包括上封头、壳体及下封头，壳体内部包括可调式均风装置、喷雾装置、蜂窝式除尘组件、喷淋装置、污水过滤罩。通过调节均风装置，可以控制各个均风气孔的气流速度，使得设备实现最优的气流均布率。本装置具有抑制二次扬尘、均风效果好、净化效率高、维护周期长、设备寿命长等特点。
The present invention belongs to the technical field of flue gas purification, and discloses a wet electrostatic precipitator with an adjustable air distribution device. It includes an upper head, a shell and a lower head, and the inside of the shell includes an adjustable air distribution device, a spray device, a honeycomb dust removal component, a spray device, and a sewage filter cover. By adjusting the air distribution device, the air flow velocity of each air distribution hole can be controlled, so that the equipment can achieve the optimal air flow distribution rate. This device has the characteristics of suppressing secondary dust, good air distribution effect, high purification efficiency, long maintenance cycle, and long equipment life.
Description
Technical Field
The invention belongs to the technical field of flue gas purification, and relates to a wet electrostatic precipitator with an adjustable air homogenizing device.
Background
The wet electrostatic precipitator is used as a high-efficiency purifying device for capturing fine particles and fog particles, and is widely applied to the purification treatment of the tail end of flue gas.
The existing wet electrostatic dust collector is mainly divided into a wire plate type wet electrostatic dust collector and a wire tube type wet electrostatic dust collector in structure, wherein dust collecting poles of the wire plate type wet electrostatic dust collector are parallel flat plates, air flow horizontally flows through an electric field area, and dust collecting poles of the tube type wet electrostatic dust collector are parallel conductive tubes, and air flow vertically flows through the electric field area. Compared with the traditional plate type wet electric or circular tube type wet electric, the honeycomb tube type wet electric has larger dust collection area, small honeycomb volume, less material consumption and low investment cost under the same treatment capacity. However, the tubular wet power is mostly in a mode of side air inlet and upper air outlet, the inlet flow velocity is large, the air flow distribution is often uneven, the dust removal efficiency increased at the low flow velocity is far insufficient to compensate the reduction of the efficiency at the high flow velocity, the total efficiency is reduced, and the service life of the dust remover is greatly reduced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the wet electrostatic precipitator with the adjustable air homogenizing device, and the wet electrostatic precipitator has the characteristics of good air flow uniform distribution effect, large dust collection area and high purification efficiency.
The wet electrostatic precipitator with the adjustable air equalizing device comprises an upper seal head, a shell and a lower seal head, wherein the upper seal head is arranged at the upper end of the shell, and the lower seal head is arranged at the lower end of the shell; the device comprises a shell, a lower end socket, a sewage filter cover, a circulating water pipeline, a water outlet, an air outlet, an insulating box, a honeycomb dust removing component and an adjustable air homogenizing device, wherein the honeycomb dust removing component and the adjustable air homogenizing device are arranged in the shell;
The honeycomb type dust removing assembly comprises cathode wires, honeycomb type anode pipes, cathode suspension devices and cathode anti-swing devices, wherein the cathode wires are arranged in each honeycomb type anode pipe, the cathode suspension devices are arranged at the tops of the honeycomb type anode pipes, the cathode anti-swing devices are arranged at the bottoms of the honeycomb type anode pipes, air inlets are formed in the lower side portions of the shells, and adjustable air homogenizing devices are arranged at the upper portions of the air inlets.
The adjustable air homogenizing device comprises an air flow distribution plate, an air blocking plate, air homogenizing holes, air hole adjusting rods and a fire blocking plate, wherein the adjustable air homogenizing device is provided with a plurality of groups of air homogenizing holes, each air homogenizing hole corresponds to one honeycomb anode tube, the fire blocking plate is arranged on the outer side of each air homogenizing hole, the air homogenizing holes are connected with the air hole adjusting rods through the air flow distribution plate, two semicircular holes are formed in the air flow distribution plate corresponding to each air homogenizing hole, a cross beam is arranged in the middle of each semicircular hole, and a threaded hole for the air supply hole adjusting rods to penetrate is formed in the center of each cross beam.
The upper part of the adjustable air homogenizing device is provided with a spraying device which can regulate a pressure head and flow;
the upper part of the honeycomb anode tube is provided with a spraying device which can regulate the pressure head and the flow;
The adjustable air homogenizing device, the spraying device, the honeycomb type dust removing assembly and the spraying device are sequentially arranged in the shell along the airflow direction;
The air hole adjusting rod comprises an air hole adjusting screw rod and an adjusting nut, wherein the air hole adjusting screw rod is connected with the adjusting nut;
further, the air equalizing holes are cylindrical.
Furthermore, the spraying device adopts a hollow conical nozzle, and the spraying device adopts a solid conical nozzle.
Furthermore, the sewage filter cover is double-layered, and high-efficiency filter cotton is arranged in the sewage filter cover.
Further, the cathode wire is a double-phase stainless steel ribbon spiral wire.
Further, the honeycomb anode tube is made of stainless steel, the diameter of the inscribed circle of the honeycomb anode tube can be 150-400 mm, and the length of the honeycomb anode tube can be 2-6 m.
Further, an insulating porcelain sleeve is arranged in the insulating box, and a high-voltage electricity lead-in terminal is arranged on the insulating porcelain sleeve and is connected with the cathode wire.
Screw thread matching devices are arranged between the choke plate and the air hole adjusting rod, between the air hole adjusting rod and the air flow distributing plate, and the height between the choke plate and the air hole can be adjusted on the lower side of the adjustable air homogenizing device or on the upper side of the adjustable air homogenizing device.
In another preferred scheme of the invention, the air hole adjusting rod is arranged on one side of the air blocking plate and can be adjusted through changing the angle between the air blocking plate and the air equalizing holes.
The wet electrostatic precipitator with the adjustable air equalizing device has the purification process that flue gas enters the equipment from an air inlet, the air flow passing through the adjustable air equalizing device is uniformly distributed in each channel, the flue gas passes through a spraying device, the flue gas enters a honeycomb type dust removing assembly, the air around a cathode line is ionized by utilizing the strong field intensity generated by high voltage, a large amount of ions are generated to collide with dust or water mist so as to enable the dust to be charged, the water mist is combined with the dust, the specific resistance of the dust is reduced, the particle size is increased, in addition, the water mist is charged and split and atomized further under the action of direct-current high voltage, and due to the relative motion of the dust and the water mist which move along with the air flow, the charged water mist can capture dust particles through the actions of inertia collision, adsorption agglomeration, diffusion and the like, the dust particles reach a honeycomb type anode pipe under the driving of electric field force, the water film uniformly distributed on the surface of the honeycomb type anode pipe is discharged into a lower end enclosure of the equipment, circulating water enters a circulating water pipeline after being purified by a sewage filtering cover, and clean flue gas is discharged to a chimney through an air outlet.
The spraying device positioned at the upper part of the honeycomb type dust removing component can periodically clean the honeycomb type anode tube and the cathode wire, the flow of the spraying device can be adjusted according to the dust accumulation condition of the honeycomb type anode tube and the cathode wire, the maintenance period is prolonged, the secondary dust emission is inhibited in principle, the back corona phenomenon is effectively eliminated, and the purification efficiency of unit area is improved.
When the equipment is debugged, the fan is connected, the hot wire anemometer is used for testing the gas speed and resistance of each air equalizing hole, the air hole adjusting rods or the air blocking plates on the corresponding air flow distribution plates of the cylindrical air equalizing holes are rotated, the heights or angles between the air blocking plates and the air flow distribution plates are changed, the mean square difference of the air speed and the resistance of each air equalizing hole is within a set value, the air flow speed of each honeycomb anode tube channel is approximately equal, the problem that the efficiency is reduced because part of channels are not charged or move to the surface of a polar plate due to high flow speed, namely, the air flow is brought out of the electric field channels is solved, so that the equipment realizes optimal air flow uniform distribution rate, and the flue gas purification efficiency is improved to the greatest extent.
The adjustable air equalizing device adjusts the air flow resistance and speed of each air equalizing hole by adjusting the heights or angles between the corresponding air blocking plates and the air flow distribution plates on the plurality of groups of cylindrical air equalizing holes, and controls the mean square error of the air flow speed of each air equalizing hole to be in a set value, so that the device realizes optimal air flow uniform distribution rate.
Compared with the prior art, the invention has the beneficial effects that:
(1) By adjusting the height or angle of the air blocking plate in the adjustable air homogenizing device, the air quantity and resistance of the air flow passing through each air homogenizing hole can be changed, so that the air flow velocity of each honeycomb anode tube channel is approximately equal, the problem that the efficiency is reduced because part of channels are not charged or move to the surface of a polar plate due to high flow velocity, namely the dust is brought out of the electric field channel by the air flow is solved, the optimal air distribution in the electric field is ensured, and the flue gas purification efficiency is improved to the greatest extent.
(2) The spraying device can continuously spray water mist, the flow of the spraying device can be adjusted according to the size of the flue gas amount, the specific resistance of flue gas and dust is effectively reduced, the particle size of the dust is increased, the temperature of the flue gas is reduced, the air ionization potential energy is reduced, the electric field strength is increased, and dust particles are trapped through the actions of inertial collision, adsorption coagulation, diffusion and the like, so that the purification efficiency is improved.
(3) The spraying device periodically cleans the honeycomb anode tube and the cathode wire, the flow of the spraying device can be adjusted according to the dust accumulation condition of the anode tube and the cathode wire, the maintenance period is prolonged, secondary dust emission is inhibited in principle, the back corona phenomenon is effectively eliminated, and the purification efficiency of unit area is improved.
(4) The device provided by the invention has the characteristics of secondary dust suppression, good wind-homogenizing effect, high purification efficiency, long maintenance period, long equipment service life and the like.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic view of the whole structure of the device of the present invention.
Fig. 2 is a schematic structural diagram of an adjustable air balancing device in embodiment 1.
FIG. 3 is a top view of the gas flow distribution plate of example 1.
Fig. 4 is a schematic structural diagram of an adjustable air equalizing device in embodiment 2.
Fig. 5 is a top view of the gas flow distribution plate of example 2.
The device comprises a shell, an adjustable air homogenizing device, a cathode wire, a honeycomb anode pipe, a cathode suspension device, a cathode swing preventing device, a spraying device, an insulating box, a sewage filtering cover, an air inlet, an air outlet, a water outlet, an upper sealing head, a lower sealing head, an air flow distributing plate, an air blocking plate, an air homogenizing hole, an air hole adjusting screw, an adjusting nut and a fire blocking plate.
Detailed Description
The present invention is described in detail below by way of specific examples, but the scope of the present invention is not limited thereto. Unless otherwise specified, the experimental methods used in the present invention are all conventional methods, and all experimental equipment, materials, reagents, etc. used can be obtained from commercial sources.
Example 1
The wet electrostatic precipitator with the adjustable air homogenizing device comprises an upper seal head 14, a shell 1 and a lower seal head 15, wherein the upper seal head 14 is arranged at the upper end of the shell 1, the lower seal head 15 is arranged at the lower end of the shell 1, a honeycomb dust removing component and the adjustable air homogenizing device 2 are arranged in the shell 1, a sewage filter cover 10 is arranged in the lower seal head 15, the lower end of the sewage filter cover 10 is connected with a circulating water pipeline, a water outlet 13 is arranged at the bottom of the shell 1, an air outlet 12 is arranged at the top of the shell 1, and an insulating box 9 is arranged outside the upper seal head 14;
The honeycomb type dust removal assembly comprises cathode wires 3, honeycomb type anode pipes 4, cathode suspension devices 5 and cathode anti-swing devices 6, wherein the cathode wires 3 are arranged in each honeycomb type anode pipe 4, the cathode suspension devices 5 are arranged at the tops of the honeycomb type anode pipes 4, the cathode anti-swing devices 6 are arranged at the bottoms of the honeycomb type anode pipes 4, air inlets 11 are formed in the lower side of the shell 1, and adjustable air homogenizing devices 2 are arranged at the upper parts of the air inlets 11.
The adjustable air equalizing device 2 comprises a fire-retarding plate 26, an air flow distribution plate 21, an air-retarding plate 22, air equalizing holes 23 and air hole adjusting rods, wherein the adjustable air equalizing device 2 is provided with a plurality of groups of air equalizing holes 23, each air equalizing hole 23 corresponds to one honeycomb anode tube 4, the fire-retarding plate 26 is arranged on the outer side of each air equalizing hole 23, the air equalizing holes 23 and the air hole adjusting rods are connected through the air flow distribution plate 21, two semicircular holes are formed in the air flow distribution plate 21 corresponding to each air equalizing hole 23, a cross beam is arranged in the middle of each semicircular hole, and a threaded hole for the air supply hole adjusting rods to penetrate is formed in the center of each cross beam.
The upper part of the adjustable air homogenizing device 2 is provided with a spraying device 7 which can regulate the pressure head and the flow;
The upper part of the honeycomb anode tube 4 is provided with a spraying device 8 which can regulate the pressure head and the flow;
the adjustable air homogenizing device 2, the spraying device 7, the honeycomb type dust removing assembly and the spraying device 8 are sequentially arranged in the shell 1 along the airflow direction;
the air hole adjusting rod comprises an air hole adjusting screw 24 and an adjusting nut 25, wherein the air hole adjusting screw 24 is connected with the adjusting nut 25;
the air equalizing hole 23 is cylindrical.
The spraying device 7 adopts a hollow conical nozzle, and the spraying device 8 adopts a solid conical nozzle.
The sewage filter cover 10 is double-layered and internally provided with high-efficiency filter cotton.
The cathode wire 3 is a double-phase stainless steel ribbon spiral wire.
The honeycomb anode tube 4 is made of stainless steel, and the diameter of an inscribed circle of the honeycomb anode tube can be 400mm and the length of the honeycomb anode tube can be 6m.
The insulation box 9 is internally provided with an insulation porcelain sleeve, and the insulation porcelain sleeve is provided with a high-voltage electric lead-in terminal which is connected with the cathode wire 3.
The height of the air baffle 22 and the air holes 23 can be adjusted on the lower side of the air homogenizing device or on the upper side of the air homogenizing device by the threaded matching device arranged between the air baffle 22 and the air hole adjusting rod, the air hole adjusting rod and the air flow distributing plate 21; when sewage is arranged in the water collecting hopper, and the water collecting hopper is inconvenient for maintenance personnel to pass through, the maintenance channel at the upper side of the air homogenizing device can be adjusted, or when the height of equipment is limited, the height of the maintenance channel at one side can be properly reduced, and a single-side adjustment mode is adopted. The adjusting mode is more flexible, the adjusting precision is higher, and the uniform distribution effect of the air flow is better.
The flue gas enters the wet electrostatic precipitator with an adjustable wind-homogenizing device from an air inlet 11, the air flow is uniformly distributed in each channel through the adjustable wind-homogenizing device 2, the flue gas enters a honeycomb type dust removing component through a spraying device 7, the air around a cathode line 3 is ionized by utilizing the strong field intensity generated by high voltage electricity, a large amount of ions are generated to collide with dust or water mist so as to combine the dust with the charge, the water mist is combined with the dust, the specific resistance of the dust is reduced, the particle size is increased, the water mist is charged and split and atomized further under the action of direct current high voltage, the charged water mist captures dust particles through the actions of inertia collision, adsorption and condensation, diffusion and the like, the dust particles reach a honeycomb type anode tube 4 under the drive of electric field force, the water film uniformly distributed on the surface of the honeycomb type anode tube 4 is discharged into a lower end enclosure 15 of the wet electrostatic precipitator, sewage enters a circulating water pipeline after being purified by a sewage filtering cover 10, and clean flue gas is discharged through an air outlet 12;
The heights between the air baffle plates 22 and the air flow distribution plates 21 are changed by rotating a plurality of groups of cylindrical air-equalizing air holes 23 and corresponding air hole adjusting rods or air baffle plates 22 on the air flow distribution plates 21, so that the mean square deviation of the air flow speed and the resistance of each air-equalizing air hole 23 is within a set value, and the air flow speed of each honeycomb anode tube 4 channel is approximately equal;
The spraying device 8 positioned at the upper part of the honeycomb type dust removing assembly periodically cleans the honeycomb type anode tube 4 and the cathode wire 3, and the flow rate of the spraying device is regulated according to the dust accumulation condition of the honeycomb type anode tube 4 and the cathode wire 3.
Example 2
The wet electrostatic precipitator with the adjustable air homogenizing device comprises an upper seal head 14, a shell 1 and a lower seal head 15, wherein the upper seal head 14 is arranged at the upper end of the shell 1, the lower seal head 15 is arranged at the lower end of the shell 1, a honeycomb dust removing component and the adjustable air homogenizing device 2 are arranged in the shell 1, a sewage filter cover 10 is arranged in the lower seal head 15, the lower end of the sewage filter cover 10 is connected with a circulating water pipeline, a water outlet 13 is arranged at the bottom of the shell 1, an air outlet 12 is arranged at the top of the shell 1, and an insulating box 9 is arranged outside the upper seal head 14;
the honeycomb type dust removing component comprises a cathode line 3, honeycomb type anode pipes 4, a cathode suspension device 5 and a cathode anti-swing device 6, wherein the cathode line 3 is arranged in each honeycomb type anode pipe 4, the cathode suspension device 5 is arranged at the top of each honeycomb type anode pipe 4, the cathode anti-swing device 6 is arranged at the bottom of each honeycomb type anode pipe 4, an air inlet 11 is arranged at the lower side part of a shell 1, an adjustable air homogenizing device 2 is arranged at the upper part of the air inlet 11,
The adjustable air homogenizing device 2 comprises a fire-retarding plate 26, an air flow distribution plate 21, an air-retarding plate 22, air-homogenizing air holes 23 and an air hole adjusting rod, wherein the adjustable air homogenizing device 2 is provided with a plurality of groups of air-homogenizing air holes 23, each air-homogenizing air hole 23 corresponds to one honeycomb anode tube 4, the air hole adjusting rod is arranged on the air flow distribution plate 21 at a position which is 10-150 mm away from each air-homogenizing air hole 23, and the air-retarding plate 22 is arranged on the air adjusting rod;
The upper part of the adjustable air homogenizing device 2 is provided with a spraying device 7 which can regulate the pressure head and the flow;
The upper part of the honeycomb anode tube 4 is provided with a spraying device 8 which can regulate the pressure head and the flow;
the adjustable air homogenizing device 2, the spraying device 7, the honeycomb type dust removing assembly and the spraying device 8 are sequentially arranged in the shell 1 along the airflow direction;
The air hole adjusting rod comprises an air hole adjusting screw 24 and an adjusting nut 25;
further, the air equalizing hole 23 is cylindrical.
Further, the spraying device 7 adopts a hollow conical nozzle, and the spraying device 8 adopts a solid conical nozzle.
Further, the sewage filter cover 10 is double-layered, and is internally provided with high-efficiency filter cotton.
The cathode wire 3 is a double-phase stainless steel ribbon spiral wire.
The honeycomb anode tube 4 is made of stainless steel, and the diameter of an inscribed circle of the honeycomb anode tube can be 150mm, and the length of the honeycomb anode tube can be 2m.
The air hole adjusting rod is arranged on one side of the air blocking plate 22, and can adjust the angle between the air blocking plate 22 and the air equalizing holes 23.
The adjustable air homogenizing device is characterized in that a spraying device is arranged on the upper side of the adjustable air homogenizing device, water mist can be continuously sprayed, the flow of the adjustable air homogenizing device can be adjusted according to the amount of smoke, the specific resistance of smoke and dust can be effectively reduced, the temperature of the smoke is reduced, dust particles can be trapped through the actions of inertial collision, adsorption coagulation, diffusion and the like, and the purification efficiency is improved.
The upper side of the honeycomb anode tube is provided with a spraying device, the flow of the spraying device can be adjusted according to the dust accumulation conditions of the honeycomb anode tube and the cathode wire, the honeycomb anode tube and the cathode wire are periodically cleaned, the maintenance period is prolonged, secondary dust emission is inhibited in principle, the back corona phenomenon is effectively eliminated, and the purification efficiency of unit area is improved.
Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and various similar expressions such as changing the connection structure of the air baffle and the air flow distribution plate, such as changing the adjustment manner of the air baffle like angle adjustment, such as changing the shape of the body, such as changing the arrangement of the spraying device and the spraying device, or changing the number of honeycomb anode tubes, etc. can be made by those skilled in the art without departing from the scope of the present invention and the appended claims, and such changes fall within the scope of the present invention. Any obvious modifications thereof, which would be apparent to those skilled in the art without departing from the principles and spirit of the present invention, should be considered to be included within the scope of the appended claims.
Claims (7)
1. The wet electrostatic precipitator with the adjustable air homogenizing device is characterized by comprising an upper sealing head (14), a shell (1) and a lower sealing head (15), wherein the upper sealing head (14) is arranged at the upper end of the shell (1), the lower sealing head (15) is arranged at the lower end of the shell (1), a honeycomb type dust removing component and the adjustable air homogenizing device (2) are arranged in the shell (1), a sewage filter cover (10) is arranged in the lower sealing head (15), the lower end of the sewage filter cover (10) is connected with a circulating water pipeline, a water outlet (13) is arranged at the bottom of the shell (1), an air outlet (12) is arranged at the top of the shell (1), and an insulating box (9) is arranged outside the upper sealing head (14);
the honeycomb type dust removing assembly comprises cathode wires (3), honeycomb type anode pipes (4), cathode suspension devices (5) and cathode anti-swing devices (6), wherein the cathode wires (3) are arranged in each honeycomb type anode pipe (4), the cathode suspension devices (5) are arranged at the tops of the honeycomb type anode pipes (4), the cathode anti-swing devices (6) are arranged at the bottoms of the honeycomb type anode pipes (4), an air inlet (11) is formed in the lower side of a shell (1), and an adjustable air homogenizing device (2) is arranged at the upper part of the air inlet (11);
The adjustable air homogenizing device (2) comprises an air flow distribution plate (21), a wind blocking plate (22), air homogenizing holes (23), a fire blocking plate (26) and air hole adjusting rods, wherein the adjustable air homogenizing device (2) is provided with a plurality of groups of air homogenizing holes (23), the fire blocking plate (26) is arranged outside each air homogenizing hole (23), each air homogenizing hole (23) corresponds to one honeycomb anode tube (4), and the wind blocking plate (22) and the air hole adjusting rods are arranged at the upper part of a cylinder body of each air homogenizing hole (23);
The upper part of the adjustable air homogenizing device (2) is provided with a spraying device (7);
the upper part of the honeycomb anode tube (4) is provided with a spraying device (8);
The adjustable air homogenizing device (2), the spraying device (7), the honeycomb type dust removing assembly and the spraying device (8) are sequentially arranged in the shell (1) along the airflow direction;
two semicircular holes are formed in the airflow distribution plate (21) corresponding to each air equalizing hole (23), a cross beam is arranged in the middle of each semicircular hole, and a threaded hole for an air supply hole adjusting rod to penetrate is formed in the center of each cross beam;
screw thread matching devices are arranged between the choke plate (22) and the air hole adjusting rod, between the air hole adjusting rod and the air flow distributing plate (21), and the height between the choke plate (22) and the air homogenizing holes (23) is adjusted at the lower side or the upper side of the adjustable air homogenizing device (2);
an air hole adjusting rod is arranged on the air flow distribution plate (21) at a position 10-150 mm away from each air equalizing air hole (23), the air hole adjusting rod is arranged on one side of the air blocking plate (22), and the angle between the air blocking plate (22) and the air equalizing air holes (23) is adjusted.
2. The wet electrostatic precipitator with the adjustable air homogenizing device according to claim 1, wherein the air homogenizing holes (23) are cylindrical, the sewage filter cover (10) is double-layered, and filter cotton is arranged in the sewage filter cover.
3. The wet electrostatic precipitator with the adjustable air homogenizing device according to claim 1, wherein the air hole adjusting rod comprises an air hole adjusting screw rod (24) and an adjusting nut (25), the air hole adjusting screw rod (24) is connected with the adjusting nut (25), the spraying device (7) is a hollow conical nozzle, and the spraying device (8) is a solid conical nozzle.
4. A wet electrostatic precipitator with an adjustable wind homogenizing device according to claim 1, in which said cathode wire (3) is a bipolar stainless steel ribbon spiral wire.
5. Wet electrostatic precipitator with adjustable wind homogenizing device according to claim 1, characterized in that the insulation box (9) is provided with an insulation porcelain sleeve on which a high voltage electric lead-in terminal is arranged, which terminal is connected with the cathode wire (3).
6. The wet electrostatic precipitator with an adjustable air homogenizing device according to claim 1, wherein the honeycomb anode tube (4) is made of stainless steel, and has an inscribed circle diameter of 150-400 mm and a length of 2-6 m.
7. The purification method of a wet electrostatic precipitator with an adjustable wind-homogenizing device according to any one of claims 1-6, wherein flue gas enters the wet electrostatic precipitator from an air inlet (11), the air flow of the adjustable wind-homogenizing device (2) is uniformly distributed in each channel, the flue gas enters a honeycomb dedusting assembly through a spraying device (7), the air around a cathode line (3) is ionized by using strong field intensity generated by high voltage electricity, a large amount of ions are generated to collide with dust or water mist to combine the dust, the specific resistance of the dust is reduced, the particle size is increased, the water mist is charged and split and atomized further under the action of direct current high voltage, the charged water mist captures dust particles through the actions of inertia collision, adsorption agglomeration, diffusion and the like, the dust particles reach a honeycomb anode tube (4) under the drive of electric field force, the water film uniformly distributed on the surface of the honeycomb anode tube (4) is discharged into a wet electrostatic precipitator lower end enclosure (15), the sewage is purified by a sewage filtering cover (10) and then enters a circulating water pipeline, and clean flue gas is discharged through an air outlet (12);
The heights or angles between the air blocking plates (22) and the air flow distribution plates (21) are changed by rotating a plurality of groups of air hole adjusting rods or air blocking plates (22) corresponding to the cylindrical air balancing holes (23) and the air flow distribution plates (21), so that the mean square deviation of the air flow speed and the resistance of each air balancing hole (23) is within a set value, and the air flow speed of each honeycomb anode tube (4) channel is approximately equal;
The spraying device 8 positioned at the upper part of the honeycomb type dust removing assembly periodically cleans the honeycomb type anode tube (4) and the cathode wire (3), and the flow rate of the spraying device is regulated according to the dust accumulation condition of the honeycomb type anode tube (4) and the cathode wire (3).
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| CN119303731B (en) * | 2024-12-13 | 2025-06-13 | 新乡市同远电气有限公司 | Industrial fume waste gas treatment equipment and process |
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|---|---|---|---|---|
| CN203842705U (en) * | 2014-04-17 | 2014-09-24 | 南京通用电气装备有限公司 | Air-water reversing wet type electrostatic dust collector |
| CN209663502U (en) * | 2019-02-20 | 2019-11-22 | 大连兆和环境科技股份有限公司 | A Wet Electrostatic Precipitator with Adjustable Air Evening Device |
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| CN109909067A (en) | 2019-06-21 |
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Address after: Floor 4, No. 300, Dongxin Road, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province, 215156 Patentee after: Suzhou Zhaohe Air System Co.,Ltd. Country or region after: China Address before: 116600 Jinzhou Liaoning new area double D port number 3 Road No. 8, No. Patentee before: MEGAUNITY ENVIRONMENTAL SOLUTIONS CO.,LTD. Country or region before: China |
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