CN111215246A

CN111215246A - Insulator anti-dewing device of high-voltage dust removal system

Info

Publication number: CN111215246A
Application number: CN201811429270.9A
Authority: CN
Inventors: 不公告发明人
Original assignee: Xinyi Xinyuan Public Service Co Ltd
Current assignee: Xinyi Xinyuan Public Service Co Ltd
Priority date: 2018-11-27
Filing date: 2018-11-27
Publication date: 2020-06-02

Abstract

The invention discloses an insulator anti-dewing device of a high-pressure dust removal system, which comprises an outer anti-dewing mechanism, an inner anti-dewing mechanism and an insulator, wherein the purpose of rapid heating is achieved by arranging the outer anti-dewing mechanism and the inner anti-dewing mechanism, the inner wall of a shell plate is fixedly connected with a heat insulation layer, the inner side of the heat insulation layer is provided with a first heating element, the contact surface material of the first heating element and the outer wall of the insulator is ceramic, the heat conduction and heating effects are enhanced, the heat insulation layer is arranged to achieve good heat insulation and heat insulation effects, the first heating element is positioned at the outer side of the inner anti-dewing mechanism, the insulator is arranged in an insulator mounting cavity, an expansion rod expands an expansion pipe through a U-shaped groove to achieve the purpose of fixing the device, the whole inner anti-dewing mechanism is more stable, the first heating element and the second heating, the cost is reduced, and the heat-conducting silica gel plays a certain heat-conducting and heat-insulating effect while protecting the insulator.

Description

Insulator anti-dewing device of high-voltage dust removal system

Technical Field

The invention relates to the technical field of insulator dewing prevention, in particular to an insulator dewing prevention device of a high-voltage dust removal system.

Background

In the power equipment, the electrostatic high-voltage dust removal device is widely applied to power maintenance as an important power equipment, and in the electrostatic high-voltage dust removal device, the insulator is used as a necessary component and has the function of realizing electrical isolation between a high voltage of 40KV and the ground, but because the interior of the electrostatic high-voltage dust removal device often contains a large amount of water vapor, if the temperature of the insulator is low, the water vapor is attached to the surface of the insulator and is easy to generate a condensation phenomenon, and the water is used as a conductor to electrically transmit part of the high voltage to the ground to generate serious creepage and creepage phenomena, so that a dust removal system cannot normally work.

Disclosure of Invention

The invention aims to provide an insulator anti-condensation device of a high-voltage dust removal system, which has the advantages of effective heat preservation, low energy consumption and low cost and can solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the insulator anti-dewing device of the high-voltage dust removal system comprises an outer anti-dewing mechanism, an inner anti-dewing mechanism and an insulator, wherein the inner anti-dewing mechanism is installed inside the outer anti-dewing mechanism, the insulator is arranged inside the inner anti-dewing mechanism, the outer anti-dewing mechanism comprises an outer shell plate, a first heating element, a heat insulation layer, a fastening bolt, a base and an insulator installation cavity, the outer shell plate is composed of two groups of semicircular structures which are fixed together, the two groups of semicircular structures are fixedly connected through the fastening bolt, the outer shell plate is installed on the base, the inner wall of the outer shell plate is fixedly connected with the heat insulation layer, the inner side of the heat insulation layer is provided with the first heating element, the first heating element is located on the outer side of the inner anti-dewing mechanism, the insulator installation cavity is located between the heat, The threaded sleeve, the expand tube, the expander roll, the elastic plate, the fixed plate, second heating element and fastening screw, the central point of bottom plate puts and is equipped with the threaded sleeve, threaded sleeve and expand tube fixed connection, the inside of expand tube is run through by the expander roll, the both ends of expander roll all are equipped with the screw thread, the both sides and the elastic plate fixed connection of expand tube, the elastic plate is equipped with two sets ofly at least, equal fixed mounting fixed plate on two sets of elastic plates, be equipped with second heating element between elastic plate and the fixed plate, be connected through fastening screw between fixed plate and the second heating element.

Preferably, the first heating element is a positive temperature coefficient thermistor or an electric heating wire.

Preferably, the material of the contact surface of the first heating element and the outer wall of the insulator is ceramic.

Preferably, the expansion pipe is provided with an axial U-shaped groove, and the expansion rod stretches the expansion pipe through the U-shaped groove.

Preferably, the bottom plate is installed on the base, and the diameter size of the bottom plate is smaller than that of the base.

Preferably, heat-conducting silica gel is filled between the second heating element and the central hole wall of the insulator.

Compared with the prior art, the invention has the following beneficial effects: the insulator anti-dewing device of the high-pressure dust removal system achieves the purpose of rapid heating by arranging the outer anti-dewing mechanism and the inner anti-dewing mechanism, the inner side surface of the outer shell plate is matched with the outer side surface of the lower part of the insulator, so that two groups of semicircular structures can be tightly attached to the insulator, the heat conduction is convenient to carry out, the contact surface of the first heating element and the outer wall of the insulator is made of ceramics, the heat conduction and heating effects are enhanced, the material of the heat insulation layer can be glass fiber or asbestos and the like with better heat insulation and heat preservation effects, good heat preservation and heat insulation effects are achieved, heat conduction silica gel is filled between the second heating element and the central hole wall of the insulator, certain heat conduction and heat preservation effects are achieved while the insulator is protected, an axial U-shaped groove is arranged on the expansion pipe, the expansion rod expands the expansion pipe, the first heating element and the second heating element are both located at the lower part of the periphery of the insulator, so that only the insulator is heated, the whole environment of the insulator cannot be heated, energy consumption is reduced, and cost is reduced.

Drawings

FIG. 1 is a schematic top view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic top sectional view of the overall structure of the present invention;

FIG. 4 is a schematic structural view of the internal anti-dewing mechanism of the present invention;

fig. 5 is a schematic view of the tube expansion structure of the present invention.

In the figure: 1. an outer anti-condensation mechanism; 11. an outer shell plate; 111. a semicircular structure; 12. a first heating element; 13. a thermal insulation layer; 14. fastening a bolt; 15. a base; 16. an insulator mounting cavity; 2. an inner anti-condensation mechanism; 21. a base plate; 22. a threaded bushing; 23. expanding the tube; 231. a U-shaped groove; 24. expanding rods; 25. an elastic plate; 26. a fixing plate; 27. a second heating element; 28. fastening screws; 3. an insulator.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an insulator dewing prevention apparatus for a high-voltage dust removal system includes an outer dewing prevention mechanism 1, an inner dewing prevention mechanism 2 and an insulator 3, and achieves the purpose of rapid heating by installing the outer dewing prevention mechanism 1 and the inner dewing prevention mechanism 2, the inner dewing prevention mechanism 2 is installed inside the outer dewing prevention mechanism 1, the insulator 3 is installed inside the inner dewing prevention mechanism 2, the outer dewing prevention mechanism 1 includes a shell plate 11, a first heating element 12, a heat insulation layer 13, a fastening bolt 14, a base 15 and an insulator installation cavity 16, the shell plate 11 is composed of two groups of semicircular structures 111 fixed together, the two groups of semicircular structures 111 are fixedly connected through the fastening bolt 14, the shell plate 11 is installed on the base 15, the inner wall of the shell plate 11 is fixedly connected with the heat insulation layer 13, the first heating element 12 is installed inside the heat insulation layer 13, the inner side of the shell plate 11 is matched with the, the two groups of semicircular structures 111 can be tightly attached to the insulator 3, heat conduction is facilitated, the contact surface material of the first heating element 12 and the outer wall of the insulator 3 is ceramic, heat conduction and heating effects are enhanced, the material of the heat insulation layer 13 can be selected from glass fiber or asbestos with good heat insulation and heat preservation effects, good heat preservation and heat insulation effects are achieved, the first heating element 12 is located on the outer side of the inner anti-condensation mechanism 2, the insulator installation cavity 16 is located between the heat insulation layer 13 and the inner anti-condensation mechanism 2, the insulator 3 is installed in the insulator installation cavity 16, the inner anti-condensation mechanism 2 comprises a bottom plate 21, a threaded sleeve 22, an expansion pipe 23, an expansion rod 24, an elastic plate 25, a fixing plate 26, a second heating element 27 and a fastening screw 28, the threaded sleeve 22 is arranged in the center of the bottom plate 21, the threaded sleeve 22 is fixedly connected with the expansion pipe 23, the expansion pipe 23 is penetrated through, both ends of the expansion rod 24 are provided with threads, both sides of the expansion pipe 23 are fixedly connected with the elastic plates 25, at least two groups of elastic plates 25 are provided, the fixing plates 26 are fixedly installed on the two groups of elastic plates 25, the second heating element 27 is arranged between the elastic plates 25 and the fixing plates 26, the fixing plates 26 are connected with the second heating element 27 through the fastening screws 28, the first heating element 12 is a positive temperature coefficient thermistor or an electric heating wire, the contact surface material of the first heating element 12 and the outer wall of the insulator 3 is ceramic, the expansion pipe 23 is provided with an axial U-shaped groove 231, the expansion rod 24 props the expansion pipe 23 through the U-shaped groove 231 to achieve the purpose of fixing devices, so that the whole internal anti-condensation mechanism 2 is more stable, the first heating element 12 and the second heating element 27 are both positioned at the lower part of the periphery of the insulator 3, only the insulator 3 is heated, the whole environment where the insulator 3 is, the energy consumption is reduced, and reduce cost, bottom plate 21 install on base 15, and the diameter size of bottom plate 21 is less than the diameter size of base 15, and it has heat conduction silica gel to fill between the central pore wall of second heating element 27 and insulator 3, plays certain heat conduction heat preservation effect when protecting insulator 3.

In summary, the following steps: the insulator anti-dewing device of the high-pressure dust removal system achieves the purpose of rapid heating by arranging the outer anti-dewing mechanism 1 and the inner anti-dewing mechanism 2, the inner side surface of the outer shell plate 11 is matched with the outer side surface of the lower part of the insulator 3, so that two groups of semicircular structures 111 can be tightly attached to the insulator 3, the heat conduction is convenient to carry out, the contact surface of the first heating element 12 and the outer wall of the insulator 3 is made of ceramics, the heat conduction and heating effects are enhanced, the material of the heat insulation layer 13 can be selected from glass fiber or asbestos and the like with better heat insulation and heat preservation effects, good heat insulation and heat preservation effects are achieved, heat conduction silica gel is filled between the second heating element 27 and the central hole wall of the insulator 3, a certain heat conduction and heat preservation effects are achieved while the insulator 3 is protected, the expansion pipe 23 is provided with an axial U-shaped groove 231, the whole inner anti-condensation mechanism 2 is more stable, the first heating element 12 and the second heating element 27 are both positioned at the lower part of the periphery of the insulator 3, only the insulator 3 is heated, the whole environment of the insulator 3 cannot be heated, the energy consumption is reduced, and the cost is reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high pressure dust pelletizing system's insulator anti-condensation device, includes outer anti-condensation mechanism (1), interior anti-condensation mechanism (2) and insulator (3), anti-condensation mechanism (2) in the internally mounted of outer anti-condensation mechanism (1), the inside of interior anti-condensation mechanism (2) is equipped with insulator (3), its characterized in that: outer anti-condensation mechanism (1) is including shell plate (11), first heating element (12), insulating layer (13), fastening bolt (14), base (15) and insulator installation cavity (16), shell plate (11) comprises two sets of fixed semicircular structure (111) together, fixed connection is carried out through fastening bolt (14) in two sets of semicircular structure (111), shell plate (11) are installed on base (15), the inner wall and insulating layer (13) fixed connection of shell plate (11), the inboard of insulating layer (13) is equipped with first heating element (12), first heating element (12) are located the outside of interior anti-condensation mechanism (2), insulator installation cavity (16) are located between insulating layer (13) and interior anti-condensation mechanism (2), the inside at insulator installation cavity (16) is installed in insulator (3), interior anti-condensation mechanism (2) include bottom plate (21), Threaded sleeve pipe (22), expand tube (23), expander roll (24), elastic plate (25), fixed plate (26), second heating element (27) and fastening screw (28), the central point of bottom plate (21) puts and is equipped with threaded sleeve pipe (22), threaded sleeve pipe (22) and expander roll (23) fixed connection, the inside of expander roll (23) is run through by expander roll (24), the both ends of expander roll (24) all are equipped with the screw thread, the both sides and elastic plate (25) fixed connection of expander roll (23), elastic plate (25) are equipped with two sets at least, equal fixed mounting fixed plate (26) on two sets of elastic plate (25), be equipped with second heating element (27) between elastic plate (25) and fixed plate (26), be connected through fastening screw (28) between fixed plate (26) and second heating element (27).

2. The insulator dewing prevention device of the high-voltage dust removal system as claimed in claim 1, wherein: the first heating element (12) is a positive temperature coefficient thermistor or an electric heating wire.

3. The insulator dewing prevention device of the high-voltage dust removal system as claimed in claim 1, wherein: the material of the contact surface of the first heating element (12) and the outer wall of the insulator (3) is ceramic.

4. The insulator dewing prevention device of the high-voltage dust removal system as claimed in claim 1, wherein: the expansion pipe (23) is provided with an axial U-shaped groove (231), and the expansion rod (24) stretches the expansion pipe (23) through the U-shaped groove (231).

5. The insulator dewing prevention device of the high-voltage dust removal system as claimed in claim 1, wherein: the bottom plate (21) is installed on the base (15), and the diameter size of the bottom plate (21) is smaller than that of the base (15).

6. The insulator dewing prevention device of the high-voltage dust removal system as claimed in claim 1, wherein: and heat-conducting silica gel is filled between the second heating element (27) and the central hole wall of the insulator (3).