CN216605623U - High-voltage electrostatic defogging box - Google Patents

Abstract

The utility model provides a high-voltage electrostatic defogging box. The utility model provides a high-voltage electrostatic defogging box, the power distribution box comprises a box body, the inside high-tension electric field subassembly that is equipped with of box, the box outside is equipped with the high voltage power supply who is connected with the high-tension electric field subassembly, the high-tension electric field device includes a plurality of anode tubes and the negative pole line that set up in turn, the anode tube top all is equipped with the water film and forms the device, the water film forms the device and includes basin and breakwater, the basin is connected with the leading pipe that the box outside was equipped with, the breakwater is located the basin both sides and is higher than the basin, leave the clearance between breakwater and basin and anode tube. The anode tube cleaning device has the advantages that the independent water film device is arranged, so that the anode tube can be continuously cleaned in the operation process of the high-voltage electrostatic defogging box, the maintenance difficulty and the maintenance labor intensity of the high-voltage electrostatic defogging box are reduced, the work posts can be reduced, the cost expenditure is reduced, pollutants are not attached to the anode tube, and the potential safety hazard of equipment is reduced.

Description

High-voltage electrostatic defogging box

Technical Field

The utility model relates to the field of waste gas treatment, in particular to a high-voltage electrostatic defogging box.

Background

Present high pressure wet-type electrostatic anode plate is through setting up spray set at the electric field top, regularly sprays when the electric field is out of work, washes down attached to the particulate matter on the anode plate, paint mist droplet and aerosol etc. and leaves the anode plate along with the rivers and fall to the defroster bottom, nevertheless because particulate matter, paint mist droplet and aerosol attached to the anode plate, difficult washing, the cleaning time is long, the down time that needs is long, influences production, particulate matter, paint mist droplet and aerosol attached to the anode plate have had much, also had the potential safety hazard.

For example, the prior art discloses a wet electrostatic dust removal demister, which comprises a dust remover shell, wherein one end of the dust remover shell is provided with an air inlet smoke box, the other end of the dust remover shell is provided with an outlet smoke box, an ash bucket is arranged at the lower end of the dust remover shell, a plurality of groups of dust collecting electrodes and discharge electrodes are arranged in the dust remover shell, a high-voltage power supply connected with the discharge electrodes is arranged outside the dust remover shell, the upper end of the dust remover shell is also provided with a cleaning pipeline with a plurality of nozzles, a control switch is arranged on a circuit between the discharge electrodes and the high-voltage power supply, the control switch divides the plurality of groups of discharge electrodes arranged in the dust remover shell into a front part and a rear part, and a valve which divides the cleaning pipeline into two parts corresponding to the front and rear discharge electrodes is also arranged on the cleaning pipeline. This wet electrostatic precipitator, the defroster uses little subregion power supply, wash the mode that the in-process adopted two power supply districts crisscross operation at wet electrostatic precipitator, break off corresponding power supply district before washing, another power supply district normally puts into operation, guarantee that equipment has 50% electric field region normal operating at least, treat that a power supply district washes the back that finishes, close for the pipeline after, put into operation the electric field, then wash another power supply district, avoid simultaneously causing the electric field disconnection the smoke and dust emission concentration increase in the twinkling of an eye, but in the cleaning process, some equipment still need close the cooperation and wash, be difficult to prevent still to have some smoke and dust to spill over untreated, there is certain limitation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-voltage electrostatic defogging box, aiming at overcoming the defect that the cleaning of the conventional high-voltage wet electrostatic equipment in the background art needs equipment shutdown, maintenance and cleaning. The anode tube can be continuously cleaned in the operation process of the equipment by arranging the independent water film forming device, so that the anode tube is kept clean and clean.

In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a high-voltage electrostatic defogging box, includes the box, the inside high-voltage electric field subassembly that is equipped with of box, the box outside be equipped with the high voltage power supply that the high-voltage electric field subassembly is connected, the high-voltage electric field subassembly includes a plurality of anode tubes and the negative pole line that set up in turn, the anode tube top all is equipped with water film formation device, water film formation device includes basin and breakwater, the basin is connected with the leading water pipe that the box outside was equipped with, the breakwater is located the basin both sides are higher than the basin, the breakwater with the basin with the clearance is left to the anode tube. Like this, through setting up independent water film device at the anode tube top, when the lead pipe adds water in succession to the basin, water spills over from the basin top, flows downwards along the clearance of breakwater and anode tube, forms even water film on anode tube top layer, can last washing anode tube in equipment operation process, and even water film will adsorb particulate matter, coating cloud and the aerosol on anode tube in time washes away, makes anode tube keep clean.

Furthermore, the anode tube is connected with the box body, an insulating hanger is arranged in the box body, the insulating hanger is used for hanging the cathode wire in the fixed box body, the negative pole of the high-voltage power supply is connected with the box body, and the positive pole of the high-voltage power supply is connected with the hanger through a conducting rod. The positive electrode and the negative electrode of the high-voltage power supply are respectively connected with the anode tube and the cathode wire, a high-voltage electric field is arranged between the anode tube and the cathode wire, when smoke passes through the high-voltage electric field, air molecules in the smoke are ionized into positive ions and negative electrons under the action of the high-voltage electric field, the negative electrons can be adsorbed onto paint mist particles, aerosol and smoke dust particles in the smoke to enable the paint mist particles, the aerosol and the smoke dust particles to carry negative charges, and the particles and the aerosol carrying the negative charges move towards the anode tube under the action of the electric field force and are finally attached to the anode tube.

Furthermore, a smoke outlet is formed in the top end of the box body, a water outlet and a smoke inlet are formed in the bottom of the box body, the smoke inlet is located between the high-voltage electric field assembly and the water outlet, and shielding plates are arranged on two sides of the smoke inlet. Through setting up the outlet, can effectively retrieve the water source after the water film device washes.

Furthermore, a waste water treatment device is arranged at the bottom of the water outlet and is connected with the water conduit. The waste water used by the water film device can be recycled after being treated by the waste water treatment device through the waste water treatment device arranged at the bottom of the water outlet.

Further, the interior of the box body is provided with an even air layer, and the even air layer is positioned between the smoke inlet and the high-voltage electric field assembly. Through setting up even wind layer between flue gas entry and high-voltage electric field subassembly, can make waste gas get into the high-voltage electric field subassembly through certain speed, make the air molecule in the flue gas fully ionize under the effect of high-voltage electric field and become positive ion and negative electron.

Furthermore, a spraying device is arranged at the top of the box body. Waste gas still passes through spray set's washing before discharging, effectively makes waste gas discharge after up to standard.

Furthermore, the water tank and the water baffle are made of flame-retardant insulating materials. The water tank and the water baffle are made of flame-retardant insulating materials, so that the electric field operation is not influenced, the water film device can be ensured to independently operate when the equipment operates, and the anode tube is cleaned.

Furthermore, the outside of the conducting rod is wrapped by an insulating sleeve.

Further, the box shell is protected and grounded. The case body shell of the high-voltage electrostatic defogging case, the framework of the high-voltage power supply, the circuit and the like are prevented from being electrified to endanger the personal safety and the equipment safety.

Furthermore, a temperature sensor is arranged on the high-voltage electric field component. When the electric field is in case of fire, the temperature sensor detects the temperature change, sends out an alarm signal, automatically closes the high-voltage power supply, starts the spraying device to extinguish the fire and reduce the temperature, and ensures the safety of the equipment.

Compared with the prior art, the method has the advantages that: by adopting the device, the problems of long cleaning time, high difficulty and the like caused by the fact that the conventional high-voltage wet electrostatic equipment needs to be stopped for maintenance and cleaning are solved, the production efficiency of a production line is improved, the maintenance difficulty and the maintenance labor intensity of the high-voltage wet electrostatic equipment are reduced, the working posts can be reduced, and the cost is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of a water membrane apparatus according to the present invention.

FIG. 3 is a schematic view of the water membrane apparatus according to the present invention.

The attached drawings are marked as follows: 1-box body, 11-anode tube, 12-cathode wire, 111-water tank, 112-water baffle, 13-even wind layer, 14-conducting rod, 141-insulating sleeve, 15-hanger, 16-insulating hanger, 17-spraying device, 2-high voltage power supply, 3-flue gas inlet, 4-water outlet and 5-flue gas outlet.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "long", "short", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is only for convenience of description and simplicity of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

The technical scheme of the utility model is further described in detail by the following specific embodiments in combination with the attached drawings:

example 1

As shown in fig. 1, a high-voltage electrostatic defogging box comprises a box body 1, wherein a high-voltage electric field assembly is arranged inside the box body 1, a high-voltage power supply 2 connected with the high-voltage electric field assembly is arranged outside the box body 1, the high-voltage electric field assembly comprises a plurality of anode tubes 11 and cathode wires 12 which are alternately arranged at intervals to form a high-voltage electric field, and a water film forming device is arranged at the tops of the anode tubes 11.

In this embodiment, the water film forming apparatus includes a water tank 111 and a water baffle 112, as shown in fig. 2, the water tank 111 is connected to a water conduit provided outside the case 1, the water baffle 112 is located at two sides of the water tank 111 and is higher than the water tank 111, the water tank 111 and the water baffle 112 are made of flame-retardant insulating material, and do not affect the operation of the electric field, and a gap is left between the water baffle 112 and the water tank 111 and between the water baffle 112 and the anode tube 11. Like this, as shown in fig. 3, the clearance width is according to the viscidity rational design of the pollutant of handling, the big pollutant of viscidity needs the bigger water yield to wash and can widen the interval as required, adsorb particulate matter, coating cloud and aerosol on anode tube 11 and can be washed away by even water film, make anode tube 11 keep clean, connect through the independent water pipe that sets up simultaneously, and basin 111 and breakwater 112 adopt fire-retardant insulating material to make, can make the water film forming device when the electric field operation, also can wash anode tube 11, effectively save artifically.

Specifically, the anode tube 11 is connected with the box 1, and 2 negative poles of the high-voltage power supply are connected with the box 1, so that the anode tube 11 is connected with the high-voltage power supply 2, the insulating hanger 16 is arranged in the box 1, the hanging bracket 15 for hanging the cathode wire 12 is fixed in the box 1 by the insulating hanger 16, the anode of the high-voltage power supply 2 is connected with the hanging bracket 15 through the conducting rod 14, and the cathode wire 12 is connected with the high-voltage power supply 2 through the conducting rod 14.

Specifically, 1 top of box is equipped with exhanst gas outlet 5, 1 bottom of box is equipped with outlet 4 and flue gas entry 3, outlet 4 is used for retrieving the water source after the water film device washes, outlet 4 still is equipped with effluent treatment plant, effluent treatment plant is connected with the leading water pipe, can make and realize water cyclic utilization in the box 1, flue gas entry 3 is located between high-tension electric field subassembly and outlet 4, 3 both sides of flue gas entry are equipped with the shielding plate, be equipped with even wind layer 13 between high-tension electric field subassembly and the flue gas entry 3, make gaseous high-tension electric field of passing through even speed.

It should be specially noted that the top of the box body 1 is also provided with a spraying device 17, the spraying device 17 is connected with a water conduit arranged outside the box body 1, and the waste gas is sprayed before being discharged out of the flue gas outlet 5, so as to ensure that the gas is discharged up to the standard; the shell of the box body 1 is protected and grounded, so that electric shock danger of workers can be prevented, and equipment is effectively protected; the high-voltage electric field component is also provided with a temperature sensor, and when the electric field is in case of a fire, the temperature sensor detects temperature change, sends out an alarm signal, automatically closes the high-voltage power supply, starts the spraying device to extinguish the fire and cool down, and ensures the safety of equipment.

The working principle of the embodiment is as follows: when the high-voltage electrostatic defogging box works, waste gas firstly enters from a smoke inlet 3, passes through a wind homogenizing layer 13 and then passes through a high-voltage electric field component at a uniform speed, a cathode wire 12 and an anode tube 11 are arranged in the high-voltage electric field, the cathode wire 12 and the anode tube 11 are in an insulated state, the cathode wire 12 and the anode tube 11 are respectively connected to two poles of a high-voltage power supply 2, the high-voltage electric field is completely arranged between the anode tube 11 and the cathode wire 12, when the smoke passes through the high-voltage electric field, air molecules in the smoke are ionized into positive ions and negative ions under the action of the high-voltage electric field, the negative ions can be adsorbed on paint mist particles, aerosol and smoke dust particles in the smoke to enable the smoke to carry negative charges, the particles carrying the negative charges and the aerosol move to the anode tube 11 under the action of the electric field force and finally are attached to the anode tube 11, so that the gas passing through the electric field removes most of the particles and the aerosol, finally, after further treatment of the gas through the spraying device 17, the gas is discharged through the flue gas outlet 5, when the paint mist particles on the anode pipes 11 need to be cleaned, the top of each anode pipe 11 is provided with a water tank 111, the water tanks 111 are communicated, a water guide pipe arranged outside the box body 1 is connected with the water tank 111, the outer side of the water tank 111 is provided with a water baffle plate 112, a gap is reserved between the water baffle plate 112 and the water tank 111 and the anode pipes 11, the height of the water baffle plate 112 is higher than the top of the water outlet tank 111, the gap between the water baffle plate 112 and the anode pipes 11 is smaller, the gap width is reasonably designed according to the viscosity of the treated pollutants, the pollutants with large viscosity need larger water volume to be washed, the gap can be widened according to the needs, when water is continuously added into the water tank 111 through the water guide pipe, the water overflows from the top of the water tank 111 and flows downwards along the gap between the water baffle plate 112 and the anode pipes 11, and a uniform water film is formed on the surface layer of the anode pipes 11, the water film flows to the bottom of the anode pipe 11 from the top of the anode pipe 11, then falls to the bottom of the equipment and is discharged from the water outlet 4, a wastewater treatment device is arranged at the water outlet 4, the wastewater treatment device is connected to the water conduit after treatment to realize water recycling, and particles, paint mist and aerosol adsorbed on the anode pipe 11 can be washed away by the uniform water film, so that the anode pipe 11 is kept clean and clean.

Example 2

The present embodiment is another preferred embodiment of the present invention, and is different from embodiment 1 in that both sides of the top of the water tank 111 are inclined toward the middle, so that when water overflows from the top of the water tank 111, the water flows out along the outer wall of the water tank 111 to form a uniform water film.

In this embodiment, the inside high-voltage electric field subassembly that is equipped with of box 1, box 1 outside is equipped with high voltage power supply 2 who is connected with the high-voltage electric field subassembly, the high-voltage electric field subassembly includes a plurality of anode tubes 11 and the negative pole line 12 that set up in turn, form the high-voltage electric field, anode tube 11 top all is equipped with the water film forming device, the water film forming device includes basin 111 and breakwater 112, basin 111 is connected with the leading water pipe that box 1 outside was equipped with, breakwater 112 is located basin 111 both sides and is higher than basin 111, basin 111 and breakwater 112 adopt fire-retardant insulating material to make, can not cause the influence to the electric field operation, breakwater 112 leaves the clearance with basin 111 and anode tube 11. The clearance width is rationally designed according to the viscidity of the pollutant of handling, the big pollutant of viscidity needs the bigger water yield to wash and can widen the interval as required, adsorb particulate matter on anode tube 11, coating cloud and aerosol can be washed away by even water film, make anode tube 11 keep clean, connect through the independent water conduit that sets up simultaneously, and basin 111 and breakwater 112 adopt fire-retardant insulating material to make, can make the water film forming device when the electric field operation, also can wash anode tube 11, effectively save artifically.

Specifically, both sides of the top of the water tank 111 are inclined towards the middle, so that when water overflows from the top of the water tank 111, the water flows out along the outer wall of the water tank 111 to form a uniform water film.

Example 3

This embodiment is another preferred embodiment of the present invention, and is different from embodiment 1 in that the external water conduit connected to the shower unit 17 is also connected to the wastewater treatment apparatus.

The inside high-voltage electric field subassembly that is equipped with of box 1, 1 outside of box is equipped with high voltage power supply 2 who is connected with the high-voltage electric field subassembly, the high-voltage electric field subassembly includes anode tube 11 and the negative pole line 12 of a plurality of alternative settings, form high-voltage electric field, anode tube 11 top all is equipped with the water film formation device, the water film formation device includes basin 111 and breakwater 112, as shown in fig. 2, the leading water union coupling that basin 111 and 1 outside of box were equipped with, breakwater 112 is located basin 111 both sides and is higher than basin 111, basin 111 and breakwater 112 adopt fire-retardant insulating material to make, can not cause the influence to the electric field operation, breakwater 112 leaves the clearance with basin 111 and anode tube 11.

Specifically, 1 top of box is equipped with flue gas discharge port 5, 1 bottom of box is equipped with outlet 4 and flue gas entry 3, outlet 4 is used for retrieving the water source after the water film device washes, outlet 4 department still is equipped with effluent treatment plant, effluent treatment plant is connected with the leading water pipe, can make the water cyclic utilization realize in the box 1, flue gas entry 3 is located between high-tension electric field subassembly and outlet 4, 3 both sides of flue gas entry are equipped with the shielding plate, be equipped with even wind layer 13 between high-tension electric field subassembly and the flue gas entry 3, make gaseous high-tension electric field of passing through even speed, 1 top of box still is equipped with spray set 17, spray set 17 is connected with the leading water pipe that 1 outside of box was equipped with, the outside leading water pipe of being connected with spray set 17 also is connected with effluent treatment plant simultaneously.

The water conduit connected with the spraying device 17 is connected with the wastewater treatment device, so that the water inside the demisting box can be recycled, and the use cost is effectively saved.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a high-voltage electrostatic defogging box, includes box (1), its characterized in that, box (1) inside is equipped with the high-voltage electric field subassembly, box (1) outside be equipped with high voltage power supply (2) that the high-voltage electric field subassembly is connected, the high-voltage electric field subassembly includes anode tube (11) and negative pole line (12) that a plurality of settings in turn, anode tube (11) top all is equipped with water film formation device, water film formation device includes basin (111) and breakwater (112), basin (111) are connected with the leading water pipe that box (1) outside was equipped with, breakwater (112) are located basin (111) both sides are higher than basin (111), breakwater (112) with basin (111) with anode tube (11) leave the clearance.

2. The high-voltage electrostatic defogging box according to claim 1, wherein the anode tube (11) is connected with the box body (1), an insulating hanger (16) is arranged inside the box body (1), the insulating hanger (16) is fixed on a hanger (15) used for hanging the cathode wire (12) inside the box body (1), the negative pole of the high-voltage power supply (2) is connected with the box body (1), and the positive pole of the high-voltage power supply (2) is connected with the hanger (15) through a conducting rod (14).

3. The high-voltage electrostatic defogging box according to claim 1, wherein a smoke exhaust port (5) is arranged at the top end of the box body (1), a water outlet (4) and a smoke inlet (3) are arranged at the bottom of the box body (1), the smoke inlet (3) is positioned between the high-voltage electric field component and the water outlet (4), and two sides of the smoke inlet (3) are provided with shielding plates.

4. The high-voltage electrostatic defogging box according to claim 3, wherein a wastewater treatment device is arranged at the bottom of the water outlet (4), and the wastewater treatment device is connected with the water conduit.

5. The high-voltage electrostatic defogging box according to claim 3, wherein a wind homogenizing layer (13) is arranged inside the box body (1), and the wind homogenizing layer (13) is positioned between the smoke inlet (3) and the high-voltage electric field component.

6. The high-voltage electrostatic defogging box according to claim 1, wherein a spraying device (17) is arranged at the top of the box body (1).

7. The high-voltage electrostatic defogging tank as recited in claim 1, wherein the water tank (111) and the water baffle (112) are made of a flame-retardant insulating material.

8. The high-voltage electrostatic defogging box according to claim 2, wherein the conductive rod (14) is externally wrapped by an insulating sleeve (141).

9. The high-voltage electrostatic defogging tank as recited in claim 1, wherein the housing (1) is protected from ground.

10. The high-voltage electrostatic defogging box according to claim 1, wherein a temperature sensor is arranged on the inner wall of the box body (1).

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