CN110252512A - A plate-type two-stage electrostatic adsorption dust collector - Google Patents

Abstract

The invention discloses a plate-type two-stage electrostatic adsorption dust collection device, which includes a first-stage structure and a second-stage structure. The first-stage structure includes multiple high-voltage electrodes and multiple grounding plates, and the second-stage structure includes multiple low-voltage electrodes. Plates, the first stage structure is set in the upwind direction of the second stage structure, multiple high-voltage electrodes and multiple grounding plates are arranged at intervals, multiple low-voltage electrodes and multiple grounding plates are arranged at intervals, high-voltage electrodes, low-voltage electrodes The ground plate and the ground plate are respectively connected to the power supply through corresponding contacts. Two-stage adsorption, the first stage uses high-pressure adsorption, and the second stage continues to adsorb at low pressure. The size of the dust particles that are not adsorbed is considered comprehensively during production, and the voltage of the second stage of adsorption and the distance between the adsorption plates are designed to ensure adsorption. High efficiency and large air flow effect.

Description

A plate-type two-stage electrostatic adsorption dust collector

technical field

The technical field of air purification and disinfection of the present invention is specifically a plate-type two-stage electrostatic adsorption dust collection device.

Background technique

The current conventional electrostatic adsorption device consists of a tungsten wire and a hexagonal aluminum honeycomb. The distance between the tungsten wire and the aluminum honeycomb is about 16mm. A voltage of 7.3-7.5KV is set between the tungsten wire and the dust collecting plate to form a strong electrostatic field, and the discharge of the tungsten wire ionizes the surrounding gas, so that the particles (including microorganisms) in the air are forced to be charged and are charged. Adsorbed on the dust collection plate. The dust collection device has a simple structure, the distance between the tungsten wire and the honeycomb negative plate is large, and the adsorption efficiency for particulate matter is low.

Contents of the invention

The present invention aims to solve the above-mentioned deficiencies in the prior art, and provides a plate-type two-stage electrostatic adsorption dust collection device, two-stage adsorption, the first stage adopts high-pressure adsorption, and the second stage continues to absorb at low pressure, which is considered comprehensively during production The size of the dust particles that are not adsorbed, the voltage of the second stage of adsorption and the distance between the adsorption plates are well designed to ensure high adsorption efficiency and large air flow.

The technical scheme that the present invention solves its technical problem to take is:

A plate-type two-stage electrostatic adsorption dust collection device, including a first-stage structure and a second-stage structure. The first-stage structure includes multiple high-voltage electrodes and multiple grounding plates. The second-stage structure includes multiple low-voltage plates. The first stage structure is set upwind of the second stage structure, multiple high-voltage electrodes and multiple grounding plates are arranged at intervals, multiple low-voltage electrodes and multiple grounding plates are arranged at intervals, high-voltage electrodes, low-voltage electrodes, and grounding plates Connect the power supply via the respective contacts.

The contacts include low-voltage contacts, ground contacts, and high-voltage contacts. The high-voltage contacts are connected to high-voltage electrodes, the low-voltage contacts are connected to low-voltage electrode plates, and the ground contacts are connected to multiple ground electrodes. The high-voltage electrode is a high-voltage tungsten wire, the grounding plate includes a first grounding aluminum plate and a second grounding aluminum plate matched with a high-voltage tungsten wire, the low-voltage pole plate is a second low-voltage aluminum plate, and the high-voltage tungsten wire and the first grounding aluminum plate are distributed at intervals; The two low-voltage aluminum plates and the second grounding aluminum plate are distributed at intervals, and the first grounding aluminum plate and the second grounding aluminum plate are connected. The low-voltage contact is electrically connected to the second low-voltage aluminum plate through the low-voltage card, the ground contact is electrically connected to the second ground aluminum plate through the ground card, and the high-voltage contact is electrically connected to the tungsten wire connecting frame.

It also includes a tungsten wire connecting frame and a grounding shell. The grounding shell is arranged on both sides of the device. The tungsten wire connecting frame is insulated and installed on the grounding shell through the insulating plug I, and the first grounding aluminum plate is connected to the grounding shell;

A low-voltage connecting pipe and a grounding connecting pipe are arranged between the two grounding shells. The second low-voltage aluminum plate and the second grounding aluminum plate are parallel to each other. The second low-pressure aluminum plate is connected to the low-voltage connecting pipe, and the second grounding aluminum plate is connected to the grounding connecting pipe. , the second low-voltage aluminum plate is provided with a large hole through which the ground connection pipe passes, and the second ground aluminum plate is provided with a large hole through which the low-voltage connection pipe passes. The two ends of the grounding connection pipe are electrically connected to the grounding shell through the grounding seat, and the low-voltage connecting pipe is insulated and connected to the grounding shell through the insulating plug II.

The voltage between the high-voltage tungsten wire and the first grounded aluminum plate is 7.5-8.5KV, and the distance between the adjacent high-voltage tungsten wire and the first grounded aluminum plate is 14-20mm; the second low-voltage aluminum plate The voltage between the second grounding aluminum plate and the second grounding aluminum plate is 3.5-4.5KV, and the distance between the second low-voltage aluminum plate and the second grounding aluminum plate is 3.5-4.1mm.

It also includes insulating shell Ⅰ, insulating shell Ⅱ, insulating shell Ⅰ, insulating shell Ⅱ cooperate with the grounding shell to enclose the first section structure and the second section structure arranged in the ventilation direction, low-voltage contacts, grounding contacts, The high voltage contacts extend out of the insulating housing.

The low-pressure connecting pipe includes an inner pipe and a crimping short pipe, the inner pipe is a metal pipe that runs through all the second low-pressure aluminum plates, and the crimping short pipe crimps a plurality of second low-pressure aluminum plates on the inner pipe along the axial direction of the inner pipe . The same ground connection pipe also has the same structure.

The beneficial effects of the present invention are:

1. Two-stage adsorption. The first stage adopts high-pressure adsorption, and the second stage continues to adsorb at low pressure. The size of the dust particles that are not adsorbed is considered comprehensively during production, and the voltage of the second-stage adsorption and the distance between the adsorption plates are designed to ensure It has the effect of high adsorption efficiency and large air circulation.

2. The high-voltage contact corresponds to the high-voltage tungsten wire connected to the first section of the structure, the low-voltage contact corresponds to the second low-voltage aluminum plate connected to the second section of the structure, and the grounding contact corresponds to the first grounding aluminum plate connected to the first section of the structure, and the second section of the structure The second grounding aluminum plate, and then the whole device is installed into the dust collection equipment, and the corresponding contacts are connected through the high-voltage and low-voltage power supply in the dust collection equipment, and the corresponding electrodes are powered through the contacts. There is no corresponding connector. When assembling and connecting It is relatively simple, and it is easy to disassemble and clean without worrying about the short circuit of the plug structure due to water ingress.

3. The grounding shell is a metal plate, which has two functions. The first one is to connect the first grounding aluminum plate and the second grounding aluminum plate as the grounding electrode and the grounding contact, so as to unify the two absorbed grounding ends. The second is used as a support plate to support the tungsten wire connecting frame and the low-voltage connecting pipe, so that the first section structure and the second section structure are completely alternately combined, and at the same time cooperate with the following two insulating shells to protect the two sections of structure.

4. A plasma discharge is formed between the high-voltage tungsten wire and the first grounded aluminum plate to ionize the dust, and then the dust is adsorbed to the first grounded aluminum plate under the action of the electric field. Similarly, between the second low-voltage aluminum plate and the second grounded aluminum plate An electric field is also formed to adsorb the charged dust to the second grounded aluminum plate. The voltage intensity and electrode distance are calculated to be the best range, which not only ensures that the volume of the device will not be too large, but also ensures the reliability of the adsorption.

5. Crimp the corresponding aluminum plates through the parallel low-pressure connecting pipes and grounding connecting pipes through their respective crimping short pipes, and then open large holes on the aluminum plates to allow the unconnected connecting pipes to pass through without contact. The structure is simple and ensures The second low-voltage aluminum plates and the second grounding aluminum plates are alternately and stably arranged.

Description of drawings

Fig. 1 is a view of the present invention with the insulating casing II removed and part of the second grounding aluminum plate and the second low-voltage aluminum plate;

Fig. 2 is the direction view of one side of the contact point of the present invention;

Fig. 3 is the connection view of the low-voltage connecting pipe, the grounding connecting pipe and the corresponding aluminum plate of the present invention;

Fig. 4 is a view of the insulating shell II of the present invention and a grounded shell at one end;

Fig. 5 is a contact view of the present invention and a corresponding card connection;

Fig. 6 is a view of the grounding contact of the present invention;

Fig. 7 is a view of the grounding card of the present invention;

Fig. 8 is a view of the high voltage contact of the present invention;

Fig. 9 is a low-voltage contact view of the present invention;

Figure 10 is a view of the low-voltage card of the present invention;

Fig. 11 is a view of the low-pressure connecting pipe of the present invention.

In the figure: 1-first section structure, 2-second section structure, 3-contact, 11-high-voltage tungsten wire, 12-tungsten wire connecting frame, 13-first grounding aluminum plate, 14-insulating shell Ⅰ, 15 -Insulation shell II, 21-Second grounding aluminum plate, 22-Second low-voltage aluminum plate, 23-Low-voltage connecting pipe, 24-Grounding connecting pipe, 25-Grounding shell, 31-Low-voltage contact, 32-Grounding contact, 33-high-voltage contact, 34-grounding card, 35-low-voltage card, 121-insulation plug Ⅰ, 231-inner tube, 232-crimping short tube, 233-insulation plug Ⅱ, 241-grounding seat.

Detailed ways

In order to clearly illustrate the technical features of the present solution, the present invention will be described in detail below through specific implementation methods and in conjunction with the accompanying drawings. The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in different instances. This repetition is for simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. It should be noted that components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted herein to avoid unnecessarily limiting the present invention. The orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are based on the The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as limiting the present invention . In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

As shown in Figures 1 and 2, a plate-type two-stage electrostatic adsorption dust collection device includes a first-stage structure 1 and a second-stage structure 2. The first-stage structure 1 includes multiple high-voltage electrodes and multiple grounding plates. The second section structure 2 includes a plurality of low-voltage plates, the first section structure 1 is arranged in the upwind direction of the second section structure 2, a plurality of high-voltage electrodes and a plurality of grounding plates are arranged at intervals, and a plurality of low-voltage electrodes and a plurality of grounding plates are arranged at intervals. The pole plates are arranged at intervals, and the high-voltage pole, the low-voltage pole plate, and the ground pole plate are respectively connected to the power supply through corresponding contacts 3 .

Two-stage adsorption, the first stage adopts high-pressure adsorption, and the second stage continues to adsorb at low pressure. During the production, the size of the dust particles that are not adsorbed is considered comprehensively, and the voltage of the second stage of adsorption and the distance between the adsorption plates are designed to ensure the adsorption. High efficiency, large air flow effect.

As shown in accompanying drawing 5, described contact 3 comprises low-voltage contact 31, grounding contact 32, high-voltage contact 33, and high-voltage contact 33 connects high-voltage electrode, and low-voltage contact 31 connects low-voltage electrode plate, and grounding contact 32 Connect multiple ground electrodes. The high-voltage electrode is a high-voltage tungsten wire 11, the grounding plate includes a first grounding aluminum plate 13 and a second grounding aluminum plate 21 matching the high-voltage tungsten wire 11, the low-voltage pole plate is a second low-voltage aluminum plate 22, the high-voltage tungsten wire 11 and the first The grounding aluminum plates 13 are distributed at intervals; the second low-voltage aluminum plates 22 and the second grounding aluminum plates 21 are distributed at intervals, and the first grounding aluminum plates 13 and the second grounding aluminum plates 21 are connected. The low-voltage contact 31 is electrically connected to the second low-voltage aluminum plate 22 through the low-voltage card 35 , the ground contact 32 is electrically connected to the second ground aluminum plate 21 through the ground card 34 , and the high-voltage contact 33 is electrically connected to the tungsten wire connecting frame 12 .

The high-voltage contact 33 is correspondingly connected to the high-voltage tungsten wire 11 of the first segment structure 1, the low-voltage contact 31 is correspondingly connected to the second low-voltage aluminum plate 22 of the second segment structure 2, and the ground contact 32 is correspondingly connected to the first ground of the first segment structure 1 Aluminum plate 13, the second grounding aluminum plate 21 of the second section structure 2, and then the whole device is installed into the dust collection equipment, and the corresponding contact 3 is connected through the high-voltage and low-voltage power supply in the dust collection equipment, and the corresponding electrodes are powered through the contact 3, There is no corresponding connector, so it is relatively simple to assemble and connect, and there is no need to worry about short circuit due to water ingress in the plug structure after disassembly and cleaning.

The grounding card 34 and the low-voltage card 35 clamp the corresponding aluminum plate through their respective punched out structures, and then the corresponding contact 3 is connected to it. The connection method includes welding or bolt connection, and then the two cards and the following low-voltage and grounding connections Tubes are integrally connected. The structure is simple and stable.

It also includes a tungsten wire connecting frame 12 and a grounding shell 25. The grounding shell 25 is arranged on both sides of the device. The tungsten wire connecting frame 12 is insulated and installed on the grounding shell 25 through the insulating plug I121, and the first grounding aluminum plate 13 is connected to the ground housing 25;

A low-voltage connecting pipe 23 and a grounding connecting pipe 24 are arranged between the two grounding shells 25. The second low-voltage aluminum plate 22 and the second grounding aluminum plate 21 are parallel to each other. The second low-voltage aluminum plate 22 is connected to the low-pressure connecting pipe 23. The aluminum plate 21 is connected to the ground connection pipe 24, the second low-voltage aluminum plate 22 has a large hole through which the ground connection pipe 24 passes, and the second ground aluminum plate 21 has a large hole through which the low-voltage connection pipe 23 passes. Both ends of the ground connection pipe 24 are electrically connected to the ground housing 25 through the ground seat 241 , and the low-voltage connection pipe 23 is insulated and connected to the ground housing 25 through the insulating plug II 233 .

The grounding shell 25 is a metal plate, which has two functions. The first one is to connect the first grounding aluminum plate 13 and the second grounding aluminum plate 21 as a grounding electrode and cooperate with the grounding contact 32 to unify the grounding ends of the two sections of adsorption. The second is used as a supporting plate to support the tungsten wire connecting frame 12 and the low-voltage connecting pipe 23, so that the first section structure 1 and the second section structure 2 are completely alternately combined, and at the same time cooperate with the following two insulating shells to make the two sections of structure Protective surround.

As shown in accompanying drawing 2, the voltage between described high-voltage tungsten wire 11 and first grounding aluminum plate 13 is 7.5-8.5KV, and the distance between described adjacent high-voltage tungsten wire 11 and first grounding aluminum plate 13 is 14-20mm; the voltage between the second low-voltage aluminum plate 22 and the second grounded aluminum plate 21 is 3.5-4.5KV, and the distance between the second low-voltage aluminum plate and the second grounded aluminum plate 21 is 3.5-4.1mm.

A plasma discharge is formed between the high-voltage tungsten wire 11 and the first grounded aluminum plate 13 to ionize the dust, and then the dust is adsorbed to the first grounded aluminum plate 13 under the action of the electric field. Similarly, the second low-voltage aluminum plate 22 and the second grounded aluminum plate An electric field is also formed between 21, and the charged dust is adsorbed to the second grounded aluminum plate 21. The voltage intensity and the electrode distance are the optimal ranges obtained through calculation, which not only ensures that the volume of the device will not be too large, but also ensures the reliability of the adsorption. .

It also includes insulating shell I14, insulating shell II15, insulating shell I14, insulating shell II15 cooperate with the grounding shell 25 to enclose the first segment structure 1 and the second segment structure 2 arranged in the ventilation direction, low-voltage contacts 31, The ground contact 32 and the high voltage contact 33 protrude from the insulating casing 25 .

By enclosing, a barreled structure is formed, and an exhaust fan is installed in the downwind direction, and the wind with dust flows through the first section structure 1 and the second section structure 2 in order to remove dust, and the corresponding contact 3 is connected to the power supply.

The low-pressure connecting pipe 23 includes an inner pipe 231 and a crimping short pipe 232. The inner pipe 231 is a metal pipe that runs through all the second low-pressure aluminum plates 22. The crimping short pipe 232 connects multiple second low-pressure aluminum plates 22 along the inner pipe 231. It is axially crimped on the inner tube 231 . The same ground connection pipe 24 also has the same structure.

The corresponding aluminum plates are crimped through the parallel low-pressure connecting pipes 23 and grounding connecting pipes 24 through their respective crimping short pipes 232, and then large holes are opened on the aluminum plates to allow unconnected connecting pipes to pass through without contact. The structure is simple, Ensure that the second low-voltage aluminum plates 22 and the second grounding aluminum plates 21 are alternately and stably arranged.

The above-mentioned embodiment is a preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above-mentioned embodiment, and any other changes, modifications, substitutions, combinations, Simplifications should be equivalent replacement methods, and all are included in the protection scope of the present invention.

Claims (8)

1. a kind of board-like two sections of Electrostatic Absorption dust collect plants, characterized in that including the first segment structure, the second segment structure, first segment Structure includes multiple high-field electrodes, multiple ground connection pole plates, and the second segment structure includes multiple low pressure pole plates, and the first segment structure is located at The upwind of two segment structures, multiple high-field electrodes and the setting of multiple ground connection polar plate intervals, multiple low pressure pole plates and multiple earthing poles The setting of plate interval, high-field electrode, low pressure pole plate, ground connection pole plate pass through corresponding contact connection power supply respectively.

2. the board-like two sections of Electrostatic Absorption dust collect plants of one kind according to claim 1, characterized in that the contact includes Low-pressure contact, earthing contact, high-voltage contact, high-voltage contact connect high-field electrode, and low-pressure contact connects low tension pole plate, ground connection touching Point connects multiple grounding electrodes.

3. the board-like two sections of Electrostatic Absorption dust collect plants of one kind according to claim 2, characterized in that the high-field electrode For high pressure tungsten wire, being grounded pole plate includes the first ground connection aluminium sheet for cooperating high pressure tungsten wire, the second ground connection aluminium sheet, and low pressure pole plate is second Low pressure aluminium sheet, high pressure tungsten wire and the first ground connection aluminium sheet are spaced apart；Second low pressure aluminium sheet and the second ground connection aluminium sheet are spaced apart, the One ground connection aluminium sheet, the second ground connection aluminium sheet connection.

4. the board-like two sections of Electrostatic Absorption dust collect plants of one kind according to claim 3, characterized in that further include tungsten wire connection Frame, ground connection shell, ground connection shell are located at device two sides, and the tungsten wire connection frame is insulated by insulation top I and is being grounded On shell, the first ground connection aluminium sheet connection ground connection shell；

Low-pressure connection tube, grounding connection pipe are equipped between two ground connection shells, the second low pressure aluminium sheet, the second ground connection aluminium sheet are mutually flat Row, the second low pressure aluminium sheet are connected on low-pressure connection tube, and the second ground connection aluminium sheet is connected on grounding connection pipe, the second low pressure aluminium sheet On be provided with the macropore that grounding connection pipe passes through, be provided with the macropore that low-pressure connection tube passes through on the second ground connection aluminium sheet.

Grounding connection pipe both ends are electrically connected on ground connection shell by grounding base, and low-pressure connection tube passes through the II insulation connection of insulation top It is grounded on shell.

5. the board-like two sections of Electrostatic Absorption dust collect plants of one kind according to claim 4, characterized in that the high pressure tungsten wire And first ground connection aluminium sheet between voltage be 7.5-8.5KV, the adjacent high pressure tungsten wire and first ground connection aluminium sheet between away from From for 14-20mm；Voltage between the second low pressure aluminium sheet and the second ground connection aluminium sheet is 3.5-4.5KV, the second low pressure aluminium The distance between plate and the second ground connection aluminium sheet are 3.5-4.1mm.

6. the board-like two sections of Electrostatic Absorption dust collect plants of one kind according to claim 4, characterized in that low-pressure contact passes through low Card is pressed to be electrically connected the second low pressure aluminium sheet, earthing contact is electrically connected by ground connection card electrical connection the second ground connection aluminium sheet, high-voltage contact Connect tungsten wire connection frame.

7. the board-like two sections of Electrostatic Absorption dust collect plants of one kind according to claim 6, characterized in that further include insulation shell I, insulation shell II, insulation shell I, insulation shell II cooperate the first segment structure for being grounded shell and arranging direction of ventilation, second Segment structure fences up, and low-pressure contact, earthing contact, high-voltage contact stretch out insulation shell.

8. the board-like two sections of Electrostatic Absorption dust collect plants of one kind according to claim 4, characterized in that the low pressure connection Pipe includes inner tube, crimping short tube, and inner tube is the metal tube through all second low pressure aluminium sheets, crimps short tube for multiple second low pressure Aluminium sheet along inner tube axial compression connection on inner pipe.