CN112588444A - Smoke blocking insulation protection device of wet electrostatic dust collector - Google Patents

Smoke blocking insulation protection device of wet electrostatic dust collector Download PDF

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Publication number
CN112588444A
CN112588444A CN202011345617.9A CN202011345617A CN112588444A CN 112588444 A CN112588444 A CN 112588444A CN 202011345617 A CN202011345617 A CN 202011345617A CN 112588444 A CN112588444 A CN 112588444A
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CN
China
Prior art keywords
wet electrostatic
dust collector
protection device
flue gas
electrostatic dust
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Pending
Application number
CN202011345617.9A
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Chinese (zh)
Inventor
陶禹洲
张玉坤
米天
马明晖
王洪江
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Hebei Weimei Environmental Protection Equipment Technology Co ltd
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Hebei Weimei Environmental Protection Equipment Technology Co ltd
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Application filed by Hebei Weimei Environmental Protection Equipment Technology Co ltd filed Critical Hebei Weimei Environmental Protection Equipment Technology Co ltd
Priority to CN202011345617.9A priority Critical patent/CN112588444A/en
Publication of CN112588444A publication Critical patent/CN112588444A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02Plant or installations having external electricity supply
    • B03C3/16Plant or installations having external electricity supply wet type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • B03C3/66Applications of electricity supply techniques
    • B03C3/70Applications of electricity supply techniques insulating in electric separators

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Abstract

The invention discloses a flue gas blocking insulation protection device of a wet electrostatic dust collector, which comprises: a support assembly frame; the wet electrostatic dust collector comprises a wet electrostatic dust collector body, wherein an upper end socket is arranged on the wet electrostatic dust collector body, a dust collecting electrode formed by an anode tube bundle group and a discharge electrode formed by a cathode wire are arranged in the wet electrostatic dust collector body, the cathode wire is fixed on a fixed frame, the dust collecting electrode is surrounded on the periphery of the discharge electrode, and a channel for air flow to pass is formed between the discharge electrode and the dust collecting electrode; the ash chamber is in a funnel shape with openings at the upper and lower parts and is fixedly connected with the lower end of the wet electrostatic dust collector body; and the protection device is formed on the upper sealing head, an electric heater is arranged on the inner side wall of the insulating box, and the electric heater is used for heating the insulating box to maintain the temperature in the insulating box at 90-120 ℃ so as to prevent the surface of the insulating porcelain bottle from dewing.

Description

Smoke blocking insulation protection device of wet electrostatic dust collector
Technical Field
The invention belongs to the technical field of wet electrostatic dust collector equipment, and particularly relates to a flue gas blocking insulation protection device of a wet electrostatic dust collector.
Background
The wet electrostatic precipitator is an electrostatic precipitator which uses the modes of water spraying or overflow water and the like to form a layer of water film on the surface of a dust collecting electrode and realize the ash removal of a polar plate. The wet-type dust removal can avoid the re-flying of the deposited dust, and the high dust removal efficiency is achieved.
The utility model with publication number CN210207224U provides a wet electrostatic precipitator, the bottom of the tower body of which is provided with an air inlet, the top of the tower body of which is provided with an air outlet, and the interior of the tower body of which is provided with a dust collecting unit; the dust collection unit comprises at least one dust collection module, the dust collection module comprises anode tubes which are vertically arranged and a corona wire arranged in the centers of the anode tubes, the anode tubes are regular hexagonal anode tubes, and the adjacent regular hexagonal anode tubes share one edge; at least one insulating box is arranged outside the tower top of the wet electrostatic dust collector and connected with a corona wire of the dust collection unit. The utility model discloses use the corona wire to replace flexible electrode, overcome the defect that flexible electrode needs the weight to hang, and the unit bottom that gathers dust need not set up bottom electrode location and stop device, overcome the problem of the temporary short circuit that causes because of location and stop device's insulation fault, improved the stability of wet electrostatic precipitator operation
However, in the operation process of the wet electrostatic precipitator, when the flue gas passes through the insulation box and the wet electric connecting pipe, a part of the flue gas enters the insulation box, so that the pollution to the porcelain insulator is caused, and the problem that the porcelain insulator is cracked due to the dewing and the electric conduction of the porcelain insulator caused by the large temperature difference between the flue gas and the insulation box is caused;
in order to prevent the smoke from entering the insulating box through the connecting pipe to damage the porcelain insulator, a fan is additionally arranged at the connecting pipe to generate high voltage in the connecting pipe so as to prevent the smoke from entering, an electric heater is used for heating up in the insulating box to enable the temperature to be always kept above the dew point temperature, and the inside of the insulating box is ensured to be dry.
Disclosure of Invention
The invention aims to provide a flue gas blocking insulation protection device of a wet electrostatic dust collector, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: wet electrostatic precipitator flue gas blocks insulation protection device includes: the support frame, the wet electrostatic precipitator body, the dust deposition chamber and the protection device
The support group frame is of a rectangular frame structure and plays a role in bearing the whole device;
the wet electrostatic dust collector comprises a wet electrostatic dust collector body, a box-shaped upper end socket and a discharge electrode, wherein the wet electrostatic dust collector body is in a box shape and is provided with an upper end socket, the wet electrostatic dust collector body is internally provided with a dust collecting electrode formed by an anode tube bundle group and a discharge electrode formed by a cathode wire, the cathode wire is fixed on a fixed frame, the dust collecting electrode is surrounded on the periphery of the discharge electrode, and a channel for air flow to pass is formed between the discharge electrode and the dust collecting electrode;
furthermore, the anode tube bundle group is honeycomb-shaped, high-grade corrosion-resistant m-benzene resin is used as a matrix, carbon fiber and glass fiber are used as reinforcing materials, the cathode wire is a high-efficiency barbed polar wire made of stainless steel, lead-antimony alloy or titanium alloy and the like, and after negative ions are released to the smoke dust through a cathode system, the smoke dust is absorbed in the dust collecting electrode through positive and negative mutual attraction;
wherein the dust chamber is in a funnel shape with openings at the upper and lower parts and is fixedly connected with the lower end of the wet electrostatic dust collector body;
furthermore, a spraying system is arranged in the wet electrostatic dust collector body, and the arranged spraying system washes dust or acid mist adsorbed on the inner wall of the dust collecting electrode into the dust chamber;
wherein the protection device is formed on the upper sealing head;
furthermore, in order to generate high pressure during the operation of the equipment and block the flue gas from entering the insulating box, the temperature inside the insulating box is kept constant through the arranged protection device so as to protect the device.
As a preferred scheme of the present invention, the support frame assembly includes an upper frame and a lower frame, four groups of support columns are welded between four corners of a lower surface of the upper frame and an upper surface of the lower frame, the four groups of support columns are welded and fixed to the periphery of the housing, square connection plates a are welded to inner sides of lower ends of the four groups of support columns, square connection plates b are welded to four sides of the lower frame, oblique beams are welded between every two square connection plates a and the square connection plates b, support feet are fixedly mounted on lower end surfaces of the support columns through bolts, and tension plates are vertically welded between side surfaces of the support columns and the support feet.
As a preferable scheme of the invention, one side of the ash chamber is provided with a manhole through a flange, the other side of the ash chamber is provided with a flue gas inlet, the lower end surface of the ash chamber is communicated with an ash discharge pipe through a flange, and the port of the ash discharge pipe is fixedly connected with an ash discharge valve through a flange.
As a preferred scheme of the invention, the protection device comprises a communicating pipe and an insulating box, wherein the lower end face of the communicating pipe penetrates through the upper end enclosure and extends into the wet electrostatic dust collector body, the upper section of the communicating pipe is attached to the bottom of the insulating box and fixedly clamped through a flange, an insulating porcelain insulator is arranged on the bottom face inside the insulating box, a cover plate is fixedly arranged at the top of the insulating porcelain insulator, a downward cathode suspension rod penetrates through the cover plate and is vertically arranged, the lower end of the cathode suspension rod penetrates through the communicating pipe and extends into the wet electrostatic dust collector body and is fixedly connected with the fixed frame, the upper end of the cathode suspension rod penetrates through the cover plate, and a power supply wiring terminal is arranged at one penetrating end of the cathode suspension rod.
As a preferable scheme of the present invention, an air vent is opened outside the communicating pipe, an air pipe is communicated outside the air vent, and a fan is communicated outside the air pipe.
According to a preferable scheme of the invention, an electric heater is arranged on the inner side wall of the insulating box, the height of the electric heater is smaller than that of the insulating porcelain bottle, the electric heater is in a semi-circular ring shape, two semi-circular electric heaters are oppositely arranged to form a ring shape, the ring shape is sleeved on the outer side of the insulating porcelain bottle, and a rock wool layer is arranged on the inner side wall of the insulating box.
As a preferable scheme of the present invention, a circle of fixing plate is welded to an upper surface of the upper frame along a circumferential direction, a reinforcing plate is fixedly connected between a lower surface of the circle of fixing plate and the wet electrostatic precipitator body, and an upper surface of the circle of fixing plate is fixedly connected to the fan through a bolt.
As a preferred scheme of the invention, a filter screen is arranged in the vent pipe of the fan, and the aperture of the filter screen is 10-30 meshes.
In a preferred embodiment of the present invention, a rubber cushion layer is disposed on an upper surface of the fixing plate.
The invention has the beneficial effects that:
(1) the invention is characterized in that a protection device is arranged, the protection device is provided with a through hole through the bottom surface of an insulating box, a communicating pipe which is attached to the bottom surface of the insulating box is arranged below the insulating box, the communicating pipe and the through hole are concentrically arranged, the diameter of the through hole is slightly smaller than the inner diameter of the communicating pipe, the lower end of the communicating pipe is communicated with the interior of a wet electrostatic precipitator body, an insulating porcelain bottle is arranged on the bottom surface of the interior of the insulating box, the insulating porcelain bottle is a frustum and is an existing component, the purpose is to ensure that a cathode system is insulated from an anode system, a cover plate is arranged at the top of the insulating porcelain bottle, a cathode suspension rod which is arranged downwards is arranged on the cover plate, the cathode suspension rod is connected with the cover plate by screw threads and is positioned in the center of the cover plate, the cathode suspension rod passes through the through, heating the inside of the insulating box to maintain the temperature in the insulating box at 90-120 ℃ to prevent the surface of the porcelain insulator from dewing.
(2) According to the invention, the outlet of the fan is connected with the vent pipe, when the fan works, the flow direction of the fan is opposite to the flow direction of the smoke in the body of the wet electrostatic dust collector, the smoke in the body of the wet electrostatic dust collector is blocked, dust or crystals are prevented from being attached to the inner surface of the insulating porcelain bottle, the effect of protecting the insulating porcelain bottle is achieved, a good insulating effect is achieved between the anode and the cathode, and the energy loss is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a partial structural view of the support assembly of the present invention;
FIG. 4 is a schematic structural diagram of a protection device according to the present invention;
fig. 5 is a schematic top view of the present invention.
In the figure: 1. a support assembly frame; 11. an upper frame; 111. a fixing plate; 112. a reinforcing plate; 12. a lower frame; 13. a support pillar; 14. a square connecting plate a; 15. a square connecting plate b; 16. an oblique beam; 17. a foot pad; 18. a tension plate; 2. a wet electrostatic precipitator body; 21. an anode tube bundle group; 22. a cathode line; 23. a fixed frame; 24. an upper end enclosure; 3. an ash accumulation chamber; 31. a manhole; 32. a flue gas inlet; 33. an ash discharge pipe; 34. an ash discharge valve; 4. a protection device; 41. a communicating pipe; 411. a vent hole; 412. a breather pipe; 42. an insulating case; 421. a rock wool layer; 43. an insulating porcelain insulator; 431. a cover plate; 432. a cathode hanger rod; 44. a power supply terminal; 45. a fan; 46. an electric heater.
Detailed Description
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
Referring to fig. 1-5, the flue gas blocking insulation protection device of a wet electrostatic precipitator includes: the wet electrostatic dust collector comprises a support frame 1, a wet electrostatic dust collector body 2, an ash deposition chamber 3 and a protection device 4.
The supporting group frame 1 is of a rectangular frame structure, and the supporting group frame 1 plays a role in bearing the whole device;
the wet electrostatic dust collector comprises a wet electrostatic dust collector body 2, an upper end socket 24 and a discharge electrode, wherein the wet electrostatic dust collector body 2 is box-shaped, the wet electrostatic dust collector body 2 is internally provided with a dust collecting electrode formed by an anode tube bundle group 21 and a discharge electrode formed by a cathode wire 22, the cathode wire 22 is fixed on a fixed frame 23, the dust collecting electrode is surrounded on the periphery of the discharge electrode, and a channel for air flow to pass is formed between the discharge electrode and the dust collecting electrode;
in further implementation, the anode tube bundle group 21 is honeycomb-shaped, high-grade corrosion-resistant m-benzene resin is used as a matrix, carbon fiber and glass fiber are used as reinforcing materials, the cathode wire 22 is a high-efficiency barbed polar wire made of stainless steel, lead-antimony alloy or titanium alloy and the like, and after negative ions are released to the smoke dust through a cathode system, the smoke dust is absorbed in the dust collecting electrode through positive and negative mutual attraction;
wherein the dust chamber 3 is in a funnel shape with openings at the upper and lower parts and is fixedly connected with the lower end of the wet electrostatic dust collector body 2;
in further implementation, a spraying system is arranged in the wet electrostatic dust collector body 2 and is used for washing dust or acid mist adsorbed on the inner wall of the dust collecting electrode into the dust chamber 3;
wherein the protection device 4 is formed on the upper end enclosure 24;
in a further implementation, in order to generate high pressure during the operation of the device to block the flue gas from entering the insulation box 42, the temperature inside the insulation box 42 is constantly kept by the protection device 4 for protection.
Specifically, the support frame assembly 1 includes an upper frame 11 and a lower frame 12, four groups of support columns 13 are welded between four corners of the lower surface of the upper frame 11 and the upper surface of the lower frame 12, the four groups of support columns 13 are welded and fixed with the periphery of the wet electrostatic precipitator body 2, square connecting plates a14 are welded on the inner sides of the lower ends of the four groups of support columns 13, square connecting plates b15 are welded on four sides of the lower frame 12, oblique beams 16 are welded between every two square connecting plates a14 and the square connecting plates b15, a pad foot 17 is fixedly installed on the lower end face of each support column 13 through a bolt, and a tension plate 18 is vertically welded between the side face of each support column 13.
In a further embodiment: through the cooperation between the upper frame 11 and the lower frame 12 that set up and four groups of support columns 13, play the effect of fixed stay to wet electrostatic precipitator body 2, the pad foot 17 through bolt fixed mounting has increased the contact surface of support column 13 with ground under support column 13 terminal surface, and the relation between support column 13 and pad foot 17 has been strengthened to the tension plate 18 that sets up, makes support group frame 1 more stable.
Specifically, a manhole 31 is arranged on one side of the ash chamber 3 through a flange, a flue gas inlet 32 is arranged on the other side of the ash chamber 3, an ash discharge pipe 33 is communicated with the lower end face of the ash chamber 3 through a flange, and an ash discharge valve 34 is fixedly connected to the port of the ash discharge pipe 33 through a flange.
In a further embodiment: the dust chamber 3 is used for receiving dust or acid mist adsorbed on the inner wall of the dust collecting electrode by a spraying system in the wet electrostatic dust collector body 2, accumulating the dust through the dust discharging pipe 33 and discharging the dust through the switch dust discharging valve 34.
Specifically, the protection device 4 includes a communication pipe 41 and an insulation box 42, a lower end face of the communication pipe 41 penetrates through the upper end enclosure 24 and extends into the wet electrostatic precipitator body 2, an upper section of the communication pipe 41 is attached to the bottom of the insulation box 42 and fixedly clamped through a flange, an insulation porcelain bottle 43 is arranged on the inner bottom face of the insulation box 42, a cover plate 431 is fixedly mounted at the top of the insulation porcelain bottle 43, a downward cathode suspension rod 432 is vertically arranged through the cover plate 431, a lower end of the cathode suspension rod 432 penetrates through the communication pipe 41 and extends into the wet electrostatic precipitator body 2 and is fixedly connected with the fixed frame 23, an upper end of the cathode suspension rod 432 penetrates through the cover plate 431, and a power supply terminal 44 is arranged at one end of the penetration.
In a further embodiment: the bottom surface of the insulating box 42 is provided with a through hole, a communicating pipe 41 which is jointed with the bottom surface of the insulating box 42 is arranged below the insulating box 42, the communicating pipe 41 and the through hole are concentrically arranged, the diameter of the through hole is slightly smaller than the inner diameter of the communicating pipe 41, the lower end of the communicating pipe 41 is communicated with the inside of the wet electrostatic precipitator body 2, the bottom surface of the inside of the insulating box 42 is provided with an insulating porcelain bottle 43, the insulating porcelain bottle 43 is in a frustum shape, the insulating porcelain bottle 43 is the existing part, the purpose is to ensure the insulation of the cathode system and the anode system, the top of the insulating porcelain insulator 43 is provided with a cover plate 431, the cover plate 431 is provided with a cathode suspender 432 which is arranged downwards, the cathode suspender 432 is connected with the cover plate 431 by screw thread, and is located in the center of the cover plate 431, the cathode suspension rod 432 passes through the through hole and extends into the communication pipe 41, the lower end of the cathode suspension rod 432 is connected with the fixed frame 23 by a pressing plate and a nut, and the cathode suspension rod 432 passes through the center of the insulating porcelain insulator 43 and the communication pipe 41.
Specifically, the outer side of the communicating pipe 41 is provided with a vent hole 411, the vent hole 411 is externally communicated with a vent pipe 412, the outer side of the vent pipe 412 is communicated with a fan 45, a filter screen is installed in the vent pipe 412 of the fan 45, and the aperture of the filter screen is 10-30 meshes.
In a further embodiment: the outlet of the fan 45 is connected with the vent pipe 412, high pressure is generated when the device runs, the smoke is blocked from entering the insulating box 42, and the filter screen can play a role in filtering impurities.
Specifically, be equipped with electric heater 46 on the insulating box 42 inside wall, the height that highly is less than insulator 43 that electric heater 46 set up, electric heater 46 is the semicircle ring shape, sets up relatively by two semicircle annular electric heaters 46 and forms an annular, and the cover is established in insulator 43's the outside, is provided with rock wool layer 421 on the insulating box 42 inside wall.
In a further embodiment: the electric heater 46 is provided to heat the inside of the insulating box 42 to maintain the temperature inside the insulating box 42 at 90 to 120 ℃ and prevent dew condensation on the surface of the porcelain insulator 43, and the electric heater 46 is provided at a height smaller than the height of the porcelain insulator 43 so that the electric heater 46 is provided around the porcelain insulator 43.
Specifically, a circle of fixing plate 111 is welded on the upper surface of the upper frame 11 along the circumferential direction, a reinforcing plate 112 is fixedly connected between the lower surface of the circle of fixing plate 111 and the wet electrostatic precipitator body 2, the upper surface of the circle of fixing plate 111 is fixedly connected with the fan 45 through bolts, and a rubber cushion layer is arranged on the upper surface of the fixing plate 111.
In a further embodiment: in order to fix the fan 45, a circle of fixing plate 111 is welded on the upper surface of the upper frame 11 along the circumferential direction, a reinforcing plate 112 is fixedly connected between the lower surface of the circle of fixing plate 111 and the wet electrostatic precipitator body 2, the set reinforcing plate 112 plays a role in reinforcing the stability between the fixing plate 111 and the wet electrostatic precipitator body 2, and a rubber cushion layer is further arranged on the upper surface of the fixing plate 111, so that the damping effect can be achieved, and the noise reduction effect can be achieved.
The working principle and the using process are as follows:
when in work, wet gas containing dust, acid mist, water drops and the like enters the wet electrostatic dust collector body 2 through a smoke inlet 32 arranged on the dust chamber 3, the dust is absorbed in the dust collecting electrode through the positive and negative mutual attraction after releasing negative ions to the dust through a cathode system, the dust or the acid mist absorbed on the inner wall of the dust collecting electrode is washed into the dust chamber 3 through a spraying system arranged in the wet electrostatic dust collector body 2, the dust is accumulated through an ash discharging pipe 33, the dust is discharged through a switch ash discharging valve 34, a through hole is arranged on the bottom surface of an insulating box 42 arranged on the wet electrostatic dust collector body 2, a communicating pipe 41 attached to the bottom surface of the insulating box body 42 is arranged below the insulating box body 42, the communicating pipe 41 and the through hole are concentrically arranged, the diameter of the through hole is slightly smaller than the inner diameter of the communicating pipe 41, the lower end of the communicating pipe 41 is communicated with the inside of the wet electrostatic dust collector, an insulating porcelain insulator 43 is arranged on the bottom surface in the insulating box 42, the insulating porcelain insulator 43 is in a frustum shape and is an existing component, the purpose is to ensure that a cathode system is insulated from an anode system, a cover plate 431 is arranged on the top of the insulating porcelain insulator 43, a cathode suspension rod 432 which is arranged downwards is arranged on the cover plate 431, the cathode suspension rod 432 is connected with the cover plate 431 by screw threads and is positioned in the center of the cover plate 431, the cathode suspension rod 432 passes through a through hole and extends into a communicating pipe 41, the lower end of the cathode suspension rod 432 is connected with a fixed frame 23 by a pressing plate and a nut, the cathode suspension rod 432 passes through the insulating porcelain insulator 43 and the center of the communicating pipe 41, an electric heater 46 is arranged on the inner side wall of the insulating box 42 to heat the inside of the insulating box 42, the temperature in the insulating box 42 is maintained at 90-120 ℃, the surface of the insulating porcelain insulator 43 is prevented from dewing, the outlet of, the flue gas in the wet electrostatic dust collector body 2 is blocked, dust or crystals are prevented from adhering to the inner surface of the insulating porcelain bottle 43, the insulating porcelain bottle 43 is protected, a good insulating effect is achieved between the cathode and the anode, and energy loss is reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (9)

1. Wet electrostatic precipitator flue gas blocks insulation protection device, its characterized in that includes:
a support frame (1);
the wet electrostatic dust collector comprises a wet electrostatic dust collector body (2), wherein an upper end enclosure (24) is arranged on the wet electrostatic dust collector body (2), a dust collecting electrode formed by an anode tube bundle group (21) and a discharge electrode formed by a cathode wire (22) are arranged in the wet electrostatic dust collector body (2), the cathode wire (22) is fixed on a fixed frame (23), the dust collecting electrode is surrounded on the periphery of the discharge electrode, and a channel for air flow to pass is formed between the discharge electrode and the dust collecting electrode;
the ash deposition chamber (3) is in a funnel shape with openings at the upper and lower parts and is fixedly connected with the lower end of the wet electrostatic dust collector body (2);
and the protection device (4) is formed on the upper end enclosure (24).
2. The wet electrostatic precipitator flue gas blocking insulation protection device of claim 1, wherein: support group frame (1) including last frame (11) and underframe (12), it has four groups of support columns (13), four groups to go up the welding between four corners of frame (11) lower surface and the upper surface of underframe (12) four support columns (13) and wet electrostatic precipitator body (2) welded fastening all around, four groups the inboard welding of lower extreme of support column (11) has square connecting plate a (14), all weld on the four sides of underframe (12) square connecting plate b (15), two liang the welding has sloping (16) between square connecting plate a (14) and square connecting plate b (15), the terminal surface has pad foot (17) through bolt fixed mounting under support column (13), vertical welding has tension plate (18) between support column (13) side and the pad foot (17).
3. The wet electrostatic precipitator flue gas blocking insulation protection device of claim 1, wherein: one side on deposition chamber (3) is opened through the flange has manhole (31), and the opposite side opens has flue gas entry (32), the lower terminal surface of deposition chamber (3) has dust discharging pipe (33) through the flange intercommunication, the port department of dust discharging pipe (33) is through flange fixedly connected with dust discharging valve (34).
4. The wet electrostatic precipitator flue gas blocking insulation protection device of claim 1, wherein: the protection device (4) comprises a communicating pipe (41) and an insulating box (42), the lower end surface of the communicating pipe (41) penetrates through the upper end enclosure (24) and extends into the wet electrostatic dust collector body (2), the upper section of the communicating pipe (41) is attached to the bottom of the insulating box (42), and is fixedly clamped through a flange, an insulating porcelain bottle (43) is arranged on the bottom surface inside the insulating box (42), a cover plate (431) is fixedly arranged at the top of the insulating porcelain bottle (43), a cathode suspension rod (432) which is downward is vertically arranged and penetrates through the cover plate (431), the lower end of the cathode suspension rod (432) passes through the communicating pipe (41) to extend into the wet electrostatic dust collector body (2) and is fixedly connected with the fixed frame (23), the upper end of the cathode suspension rod (432) penetrates through the cover plate (431), and a power supply terminal (44) is arranged at one penetrating end.
5. The wet electrostatic precipitator flue gas blocking insulation protection device of claim 4, wherein: the outer side of the communicating pipe (41) is provided with a vent hole (411), the vent hole (411) is communicated with a vent pipe (412), and the outer side of the vent pipe (412) is communicated with a fan (45).
6. The wet electrostatic precipitator flue gas blocking insulation protection device of claim 4, wherein: be equipped with electric heater (46) on insulating box (42) inside wall, the height that electric heater (46) set up is less than the height of insulating vase (43), electric heater (46) are the semicircle annular form, set up relatively by two semicircle annular electric heater (46) and form an annular, and the cover is established the outside of insulating vase (43), be provided with rock wool layer (421) on insulating box (42) inside wall.
7. The wet electrostatic precipitator flue gas blocking insulation protection device of claim 5, wherein: the upper surface of the upper frame (11) is welded with a circle of fixing plates (111) along the circumferential direction, a circle of reinforcing plates (112) are fixedly connected between the lower surfaces of the fixing plates (111) and the wet electrostatic dust collector body (2), and a circle of reinforcing plates are fixedly connected with the upper surface of the fixing plates (111) through bolts and the fan (45).
8. The wet electrostatic precipitator flue gas blocking insulation protection device of claim 5, wherein: a filter screen is arranged in a vent pipe (412) of the fan (45), and the aperture of the filter screen is 10-30 meshes.
9. The wet electrostatic precipitator flue gas blocking insulation protection device of claim 7, wherein: the upper surface of the fixing plate (111) is provided with a rubber cushion layer.
CN202011345617.9A 2020-11-26 2020-11-26 Smoke blocking insulation protection device of wet electrostatic dust collector Pending CN112588444A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011345617.9A CN112588444A (en) 2020-11-26 2020-11-26 Smoke blocking insulation protection device of wet electrostatic dust collector

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Application Number Priority Date Filing Date Title
CN202011345617.9A CN112588444A (en) 2020-11-26 2020-11-26 Smoke blocking insulation protection device of wet electrostatic dust collector

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CN112588444A true CN112588444A (en) 2021-04-02

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CN202011345617.9A Pending CN112588444A (en) 2020-11-26 2020-11-26 Smoke blocking insulation protection device of wet electrostatic dust collector

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206372962U (en) * 2016-12-14 2017-08-04 山东神华山大能源环境有限公司 A kind of seal for wet scrubber
CN208066547U (en) * 2018-05-25 2018-11-09 济南鑫傲峰环保科技有限公司 A kind of wet cottrell
CN209866336U (en) * 2019-01-21 2019-12-31 河南绿源新星环保设备有限公司 Cathode hanging single-column device of wet electrostatic dust collector
CN211756000U (en) * 2019-12-30 2020-10-27 山东穹蓝环保科技有限公司 Wet electrostatic dust collector

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206372962U (en) * 2016-12-14 2017-08-04 山东神华山大能源环境有限公司 A kind of seal for wet scrubber
CN208066547U (en) * 2018-05-25 2018-11-09 济南鑫傲峰环保科技有限公司 A kind of wet cottrell
CN209866336U (en) * 2019-01-21 2019-12-31 河南绿源新星环保设备有限公司 Cathode hanging single-column device of wet electrostatic dust collector
CN211756000U (en) * 2019-12-30 2020-10-27 山东穹蓝环保科技有限公司 Wet electrostatic dust collector

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