Electrostatic purification electric field generating device of external insulator independent air inlet channel

Abstract

The utility model discloses a static electricity purification electric field generating device with an external insulator and an independent air inlet channel, which comprises a base, a static electricity generating shell arranged on the base and a discharge electrode arranged in the static electricity generating shell, and the discharge end of the discharge electrode horizontally extends to the side wall of the front end of the static electricity generating shell from an electrode supporting frame. L-shaped supporting tables are arranged between the exteriors of the side walls of the left end and the right end of the electrostatic generation shell and the exteriors of the bottom walls of the upper end and the lower end of the electrostatic generation shell correspondingly, ventilation channels with one ends closed and the other ends open are defined by the peripheries of the L-shaped supporting tables through sealing plates, and an air inlet is formed in the outer side of each ventilation channel; and the side wall of the electrode support frame is arranged in the ventilation channel through an insulator. According to the utility model, electrostatic purification treatment can be quickly carried out on oil smoke gas, the insulator can be protected from being influenced by high temperature to generate discharge, and the insulator can be normally and permanently durable in a high-temperature environment, so that the occurrence of electric leakage in a humid environment is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electrostatic purification equipment technical field, especially relate to a kind of electrostatic purification electric field generating device of independent air inlet passage of external insulator. BACKGROUND

[0002] A large amount of oil fume is discharged in the field of industrial production, catering industry and boiler combustion, which has the characteristics of high temperature, large smoke volume and high concentration, and not only causes serious pollution to the environment, but also brings serious consequences to the health of surrounding people. Therefore, smoke dust purification devices are installed in places where a large amount of oil fume is discharged. The smoke dust purification devices mainly include dry-type electric dust collector, wet-type electric dust collector, filter-type dust collector and acoustic dust collector, etc. Most of the electric dust collectors inside adopt needle-point electric field components to make the smoke, dust and oil gas around the needle-point electric field charged under the action of high-voltage static electricity and move in a directional direction, so as to complete the electrostatic adsorption and purification of oil fume particles. However, the insulator and needle-point electric field components in the electric dust collector are exposed to smoke, which leads to the accumulation of oil on the insulator and electrode needle. The burrs generated by the electric field of the electrode needle can shorten the distance between the anode and the cathode, and easily cause discharge phenomenon and fire. Therefore, the electrode needle and the insulator need to be cleaned frequently, which not only wastes time and effort, but also affects the long-term use effect of the oil fume purification device. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a kind of electrostatic purification electric field generating device of independent air inlet passage of external insulator, the utility model can prevent oil accumulation in insulator and can quickly clean and maintain discharge electrode. In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0004] According to one aspect of the utility model, a kind of electrostatic purification electric field generating device of independent air inlet passage of external insulator is provided, the purification electric field generating device includes base and is set on the electrostatic generating shell of base, discharge electrode is set in the electrostatic generating shell, and electrode support frame is set in the front of the rear end side wall of electrostatic generating shell, one end of the discharge electrode is fixed on the electrode support frame, the discharge end of the discharge electrode is horizontally stretched from the front end side wall of the electrostatic generating shell by the electrode support frame, L-shaped support table is respectively arranged between the outer part of the side wall of the left and right ends of the electrostatic generating shell and the outer part of the bottom wall of the upper and lower ends, a ventilation passage with one end closed and the other end open is formed by enclosing the periphery of L-shaped support table through sealing plate, the ventilation passage located at the rear end side of the electrostatic generating shell is in open state, air inlet communicated with the ventilation passage is arranged on the outer side of each ventilation passage and close to the rear end side of the electrostatic generating shell, and the side wall of the electrode support frame is arranged in the ventilation passage through insulator.

[0005] Further preferably, the electrostatic generating shell is divided into a plurality of electrostatic generating cavities along the axial direction of the front and rear sidewalls, the two open ends of each electrostatic generating cavity are flush with the front and rear sidewalls of the electrostatic generating shell, and the discharge electrode is arranged at the center of each electrostatic generating cavity along the axial direction.

[0006] Further preferably, an insulating support screen is arranged in the ventilation channel between the air inlet and the outlet end of the ventilation channel, and the sidewalls of the L-shaped support table are connected to the insulating support screen through insulators.

[0007] Further preferably, an insulating limiting groove for mounting the insulating support screen is arranged on the sidewall of the ventilation channel.

[0008] Further preferably, the front and rear ends of each insulator are respectively provided with a front connecting column and a rear connecting column, the front end of the insulator arranged in each ventilation channel is connected to the electrode support frame through the front connecting column, and the rear end of the insulator arranged in each ventilation channel is connected to the insulating support screen through the rear connecting column.

[0009] Further preferably, the front and rear connecting columns are insulating connecting columns, and the front and rear connecting columns are in an isolated and disconnected state inside the insulator.

[0010] Further preferably, a sponge filter screen is arranged in the ventilation channel between the insulating support screen and the air inlet.

[0011] Further preferably, an insulating sleeve for isolating the front connecting column is arranged on the inner wall of the outlet end of the ventilation channel.

[0012] In summary, due to the adoption of the above technical scheme, the utility model has the following technical effects:

[0013] (1) The insulator electrostatic purification electric field generating device can quickly perform electrostatic purification treatment on smoke, dust or oil gas, can improve the purification effect, and can ensure the safety and stability of the operation of the insulator electrostatic purification electric field generating device.

[0014] (2) The utility model discloses an independent air inlet channel of external insulator avoids oil fume accumulation on the insulator and can quickly clean and maintain the purifier, protects the insulator from the discharge caused by high temperature, and protects the insulator from normal long-term use in a high-temperature environment, avoids the discharge protection caused by the damp of the insulator, and avoids the protection shutdown and short-circuit caused by the leakage of the insulator. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a rear end overall structure schematic diagram of the electrostatic purification electric field generating device of the independent air inlet channel of external insulator of the utility model;

[0016] Figure 2 It is a front end overall structure schematic diagram of the electrostatic purification electric field generating device of the independent air inlet channel of external insulator of the utility model;

[0017] Figure 3 It is a top view structure schematic diagram of the electrostatic purification electric field generating device of the independent air inlet channel of external insulator of the utility model;

[0018] Figure 4 It is a ventilation channel structure schematic diagram of the utility model;

[0019] Figure 5 It is an installation structure schematic diagram of the electrode support frame and the insulator of the utility model;

[0020] In the drawing, base 1, static electricity generating shell 2, discharge electrode 20, electrode support frame 21, L-shaped support table 22, ventilation channel 23, insulator 24, static electricity generating cavity 200, insulating sleeve 210, front connecting column 211, sealing plate 220, air inlet 230, insulating support screen 231, insulating limiting groove 232, sponge filter screen 233, rear connecting column 240. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the following preferred embodiments are referred to the drawings and are given, and the utility model is further explained in detail. However, it should be explained that, many details listed in the specification are only for making the reader have a thorough understanding of one or more aspects of the utility model, and the aspects of the utility model can be realized even without these specific details.

[0022] As Figure 1 And Figure 2As shown, according to the utility model provide a kind of outside insulator independent air inlet passage's electrostatic purification electric field generating device, the purification electric field generating device includes base 1 and is arranged on base 1 Electrostatic generating shell 2, discharge electrode 20 being arranged in electrostatic generating shell 2 And electrode support frame 21 being arranged in the front of the rear end side wall of electrostatic generating shell 2, one end of the discharge electrode 20 is fixed on electrode support frame 21, and the discharge end of the discharge electrode 20 is horizontally extended to the front end side wall of electrostatic generating shell 2 from electrode support frame 21, L-shaped support table 22 is respectively arranged between the outer portion of the side wall of the left and right ends of electrostatic generating shell 2 and the outer portion of the bottom wall of the upper and lower ends, and the sealing plate 220 is peripherally connected to the side wall of electrostatic generating shell 2 by detachable and openable, to form a ventilation passage 23 with one end closed and the other end open, the ventilation passage 23 located at the rear end of electrostatic generating shell 2 is in open state, the air inlet 230 communicated with the ventilation passage 23 is arranged on the outer side of each ventilation passage 23 and close to the front end of electrostatic generating shell 2, the side wall of electrode support frame 21 is arranged in the ventilation passage 23 by insulator 24, in the utility model, L-shaped support table 22 is formed at four corner positions outside electrostatic generating shell 2, and L-shaped support table 22 is enclosed into ventilation passage 23 independent from the inside of electrostatic generating shell 2 by sealing plate 220, the front end of ventilation passage 23 is closed, the rear end is open, and the rear end of electrostatic generating shell 2 is communicated together, the external cooling air enters through the air inlet 230 of the side of ventilation passage 23 (or sealing plate 220), and then flows to the rear end of electrostatic generating shell 2, and is discharged, the smoke, dust or oil gas is discharged from the front end of electrostatic generating shell 2 by using negative pressure fan at the rear end of electrostatic generating shell 2 (located at one end of electrode support frame 21), the smoke, dust or oil gas enters the front end of electrostatic generating shell 2, the discharge electrode 20 forms an electric field between the inner walls of electrostatic generating shell 2, at the same time, under the action of negative pressure fan, the normal temperature air in the external environment of purification electric field generating device flows to the rear end of electrostatic generating shell 2 (located at one end of electrode support frame 21) through air inlet 230 and ventilation passage 23, and is discharged together with the evolved smoke, dust or oil gas, which not only can cool the purified flue gas, but also can cool the insulator 24 arranged in the ventilation passage 23, the space in electrostatic generating shell 2 and the ventilation passage 23 outside form a mutually independent isolation state, therefore, when the oil smoke is adsorbed by high-voltage electrostatic in electrostatic generating shell 2, the smoke, dust or oil gas is prevented from entering the ventilation passage 23, and the smoke, dust or oil gas is prevented from accumulating on the insulator 24, so that the purification is quickly completed, and the electrostatic purification effect of electrostatic purification electric field generating device is improved, when the discharge electrode 20 is used for a long time, stains will accumulate, at this time,The electrode support frame 21 is moved away from the electrostatic generating shell 2 by removing the connecting part between the electrode support frame 21 and the electrostatic generating shell 2, and the discharge electrode 20 can be pulled out from the electrostatic generating shell 2, and meanwhile, the insulator 24 on the electrode support frame 21 can be pulled out from the ventilation channel 23, so that the stains on the discharge electrode 20 and the electrode support frame 21 can be cleaned quickly, and since the insulator 24 is arranged in the independent ventilation channel 23 outside the electrostatic generating shell 2, the stains such as oil stains are rarely accumulated, and therefore, the use effect of the insulator can be ensured.

[0023] In the utility model, Figure 3 、 Figure 4 and Figure 5 As shown in the figure, a plurality of electrostatic generating cavities 200 are separated in the electrostatic generating shell 2 and along the front and back wall axial direction, the two end opening parts of each electrostatic generating cavity 200 are flush with the front and back walls of the electrostatic generating shell 2, the discharge electrode 20 is arranged in the center of each electrostatic generating cavity 200 along the axial direction, an independent electrostatic generating area is formed in each electrostatic generating cavity 200, the high-voltage power supply flows along the discharge electrode 20 after being connected through the electrode support frame 21, the high-voltage electrostatic charge on the discharge electrode 20 and the smoke, dust or oil gas in the electrostatic generating cavity 200 are ionized, and the ionized smoke, dust or oil smoke moves and is adsorbed along the inner wall direction of the electrostatic generating cavity 200, in the moving and adsorbing process of the ionized smoke, dust or oil smoke to the inner wall direction of the electrostatic generating cavity 200, most of the smoke, dust or oil smoke is discharged to the outside of the electrostatic purification field generating device along with the negative pressure air flow of the negative pressure fan, and the effect of rapid electrostatic purification is achieved.

[0024] In the utility model, Figure 3 、 Figure 4 As shown in the figure, the insulating support screen 231 is arranged in the ventilation channel 23 and between the air inlet 230 and the outlet end of the ventilation channel 23, the side walls of the L-shaped support table 22 are connected to the insulating support screen 231 through the insulators 24 respectively, and the sponge filter screen 233 is arranged in the ventilation channel 23 between the insulating support screen 231 and the air inlet 230.

[0025] Under the action of negative pressure fan, the normal temperature air in the external environment of the purification electric field generating device flows to the rear end of the electrostatic generating shell 2 (located at one end of the electrode support frame 21) through the air inlet 230 and the ventilation channel 23 and is discharged together with the purified smoke, dust or oil gas, when the external air enters the ventilation channel 23 from the air inlet 230, the external air first passes through the sponge filter screen 233 at the front end position of the ventilation channel 23 to filter out the dust or water vapor in the air, then passes through the insulating support screen 231 to the rear end of the ventilation channel 23, enters the rear end of the electrostatic generating shell 2 and mixes with the purified smoke, dust or oil gas, thereby reducing the temperature of the smoke, dust or oil gas, the insulator 24 and the discharge electrode 20 are arranged in different spaces, the insulator 24 is isolated in the ventilation channel 23 outside the electrostatic generating shell 2, during the flow of the external air in the ventilation channel 23, the smoke, dust or oil gas in the electrostatic generating shell 2 can be prevented from entering the ventilation channel 23, thereby avoiding the attachment of the smoke, dust or oil gas on the insulator 24, the cleanliness of the insulator 24 can be maintained clean to a certain extent without being polluted, and the use effect of the electrostatic purification electric field generating device is improved, and the device can be quickly cleaned and maintained.

[0026] In the utility model, Figure 3 、 Figure 4 and Figure 5As shown, the insulating limiting grooves 232 for mounting the insulating support partition 231 are arranged on the side wall in the ventilation channel 23, the front and rear connecting columns 211 and 240 are arranged at the front and rear ends of each insulator 24 respectively, the front end of the insulator 24 arranged in each ventilation channel 23 is connected with the electrode support frame 21 through the front connecting column 211, the rear end of the insulator 24 arranged in each ventilation channel 23 is connected with the insulating support partition 231 through the rear connecting column 240, the front and rear connecting columns 211 and 240 are insulating connecting columns, and the front and rear connecting columns 211 and 240 are in an isolated and non-connected state inside the insulator 24, when the insulator 24 is mounted in the ventilation channel 23, the sealing plate 220 at the top end of the ventilation channel 23 is opened from the electrostatic generating shell 2, the insulating support partition 231 is put in and out of the insulating limiting groove 232, the center of the insulating support partition 231 is provided with a punched hole or a recessed support opening (not shown) at the top end, the front connecting column 211 connected on the electrode support frame 21, the insulator 24, and the rear connecting column 240 are inserted into the rear end outlet of the ventilation channel 23, the insulating sleeve 210 for isolating the front connecting column 211 is arranged along the inner wall of the outlet end of the ventilation channel 23, the insulating sleeve 210 prevents the front connecting column 211 from contacting and discharging with the outer wall of the electrostatic generating shell 2, after the rear connecting column 240 passes through the punched hole in the center of the insulating support partition 231 or the recessed support opening at the top end, the rear connecting column 240 is fixed on the insulating support partition 231 through the nuts on both sides of the insulating support partition 231, then the top end of the ventilation channel 23 is sealed with the sealing plate 220, the sealing plate 220 limits and fixes the insulating support partition 231 in the ventilation channel 23 outside the electrostatic generating shell 2, therefore, the insulator 24 connected on the electrode support frame 21 can be quickly disassembled and cleaned and maintained in time.

[0027] The above only describes the preferred embodiments of the present application, and it should be noted that those skilled in the art can make some improvements and refinements without departing from the principles of the present application, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. An electrostatic purification electric field generating device with an external insulator and an independent air inlet channel, characterized in that: The purification electric field generating device comprises a base, an electrostatic generating shell arranged on the base, a discharge electrode arranged in the electrostatic generating shell, and an electrode support frame arranged in front of the rear end side wall of the electrostatic generating shell, one end of the discharge electrode is fixed on the electrode support frame, the discharge end of the discharge electrode horizontally extends to the front end side wall of the electrostatic generating shell from the electrode support frame, L-shaped support tables are arranged between the outer sides of the left and right end side walls and the outer sides of the upper and lower end bottom walls of the electrostatic generating shell, a ventilation channel with one end closed and the other end open is formed by surrounding the periphery of the L-shaped support table with a sealing plate, the ventilation channel on the side of the rear end of the electrostatic generating shell is in an open state, an air inlet communicating with the ventilation channel is arranged on the outer side of each ventilation channel and close to the side of the front end of the electrostatic generating shell, the side wall of the electrode support frame is arranged in the ventilation channel through an insulator, a plurality of electrostatic generating cavities are separated in the electrostatic generating shell along the axis direction of the front and rear side walls, the two open ends of each electrostatic generating cavity are flush with the front and rear side walls of the electrostatic generating shell, and the discharge electrode is arranged in the center of each electrostatic generating cavity along the axis direction.

2. The electrostatic cleaning electric field generating device of claim 1, wherein: An insulating support screen is arranged in the ventilation channel between the air inlet and the outlet end of the ventilation channel.

3. The electrostatic cleaning electric field generating device of claim 2, wherein: An insulating limiting groove for mounting the insulating support screen is arranged on the side wall in the ventilation channel.

4. The electrostatic cleaning electric field generating device of claim 3, wherein: The front and rear ends of each insulator are respectively provided with a front connecting column and a rear connecting column, the front end of the insulator arranged in each ventilation channel is connected with the electrode support frame through the front connecting column, and the rear end of the insulator in each ventilation channel is connected with the insulating support screen through the rear connecting column.

5. The electrostatic cleaning electric field generating device of claim 4, wherein: The front and rear connecting columns are insulating connecting columns, and the front and rear connecting columns are in an isolated and disconnected state inside the insulator.

6. The electrostatic cleaning electric field generating device of claim 2 or 3 or 4, wherein: A sponge filter screen is arranged in the ventilation channel between the insulating support screen and the air inlet.

7. The electrostatic cleaning electric field generating device of claim 6, wherein: An insulating sleeve for isolating the front connecting column is arranged on the inner wall of the outlet end of the ventilation channel.

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