CN211998822U

CN211998822U - Sulfur hexafluoride recovery device

Info

Publication number: CN211998822U
Application number: CN202020378232.1U
Authority: CN
Inventors: 李卫国; 曾熙; 张琼生
Original assignee: Fujian Deer Technology Corp
Current assignee: Fujian Deer Technology Corp
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-11-24
Anticipated expiration: 2030-03-23

Abstract

The utility model discloses a recovery unit of sulfur hexafluoride belongs to gaseous recovery technical field, which comprises a housin, the intake pipe has been pegged graft on the top of casing, the bottom of intake pipe is inlayed and is connected with the aeration stone, aeration stone gap connection is in the inside of rose box, the top of rose box is pegged graft and is had air duct A, air duct A's bottom gap connection has the drying cabinet, the outside interference of drying cabinet is connected with the otter board, the below packing of drying cabinet has the activated carbon layer, the bottom of casing is pegged graft and is had air duct B, air duct B's output fixedly connected with gas collecting bottle's input, one side lock joint of drying cabinet has the case lid, the spout has been seted up on the surface of case lid, the inside sliding connection of spout has the. The utility model discloses a drying cabinet of installation can make gaseous inside steam absorbed, can conveniently carry out quick change to the cotton of drying cabinet inside simultaneously, and then improves the result of use.

Description

Sulfur hexafluoride recovery device

Technical Field

The utility model relates to a gaseous recovery technical field especially relates to a recovery unit of sulfur hexafluoride.

Background

Sulfur hexafluoride (sulfur hexafluoride) is a stable gas of colorless, odorless, nontoxic, and noncombustible, and has the chemical formula SF₆Its molecular weight is 146.07, and its density is 6.1kg/m3 at 20 deg.C and 0.1MPa, which is about 5 times of air density. The sulfur hexafluoride is gaseous at normal temperature and normal pressure, the critical temperature is 45.6 ℃, the triple point temperature is-50.8 ℃, and the sublimation point temperature is-63.8 ℃ at normal pressure. The sulfur hexafluoride molecular structure is arranged in an octahedron shape, the bonding distance is small, the bonding energy is high, the stability is high, and the sulfur hexafluoride molecular structure is similar to the nitrogen in the compatibility of the electrical structure material when the temperature is not more than 180 ℃.

Patent No. CN202246063U discloses a sulfur hexafluoride gas recovery device, which includes an air duct, a visual flowmeter and a recovery tank, wherein the air duct is connected with the recovery tank through the visual flowmeter, the air duct is arranged on a support, at least one air storage tank interface is arranged on the air duct, and a buffer tank is further arranged on a connection pipeline between the air duct and the recovery tank; the utility model has the advantages of simple and reasonable structure, it is fast to retrieve gas, convenient operation moreover, and surplus gas passes through pipeline, visual flow meter from the gas holder interface and is collected in the recovery jar, can reuse, has saved the expense of enterprise to the economic burden of enterprise has been reduced.

The recovery device for sulfur hexafluoride gas has the following disadvantages when in use: 1. when the sulfur hexafluoride gas recovery device is used, oxides and carbon dioxide in the sulfur hexafluoride gas cannot be removed, the sulfur hexafluoride gas is easy to be impure, the structure is complex, and the operation is troublesome.

2. Above-mentioned sulfur hexafluoride is gaseous can't change the functional material of device inside fast when using for gaseous edulcoration efficiency reduces, leads to workman working strength great simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model provides a recovery unit of sulfur hexafluoride aims at the drying cabinet through the installation, can make gaseous inside steam absorbed, can conveniently carry out quick change to the cotton of drying cabinet inside simultaneously, and then improves the result of use.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of recovery unit of sulfur hexafluoride, which comprises a housin, it has the intake pipe to peg graft on the top of casing, the bottom of intake pipe is inlayed and is connected with the aeration stone, aeration stone gap coupling is in the inside of rose box, it has air duct A to peg graft on the top of rose box, air duct A's bottom gap coupling has the drying cabinet, the outside interference of drying cabinet is connected with the otter board, the below packing of drying cabinet has the activated carbon layer, it has air duct B to peg graft in the bottom of casing, air duct B's output fixedly connected with gas collection bottle's input, one side lock joint of drying cabinet has the case lid, the spout has been seted up on the surface of case lid, the inside sliding connection of spout has the slide, the one end of slide is pegged graft in seal structure's inside, seal.

Optionally, the interior of the filter box is filled with an absorption liquid.

Optionally, the inside of the drying box is filled with cotton.

Optionally, the inside of draw-in groove is inlayed and is connected with the spring, the one end of spring is inlayed and is connected with the latex board.

Optionally, an electric heating plate is fixedly mounted inside the filter box, and an input end of the electric heating plate is electrically connected with an external power supply.

The utility model has the advantages as follows:

1. the utility model discloses an installed rose box and drying cabinet, during the use, with the intake-tube connection of jar body and casing one end, make sulfur hexafluoride lead to the casing inside through the intake pipe, then sulfur hexafluoride gas is split into individual small bubble through the aeration stone of intake pipe one side, and then make the area of contact of gas and absorption liquid increase, make the rate of gas and the absorption liquid inter reaction inside the rose box increase, open external switch simultaneously, make the electric plate operate, the inside of electric plate can constantly produce the heat because of the effect of resistance, and then make the absorption liquid heated, make the absorption liquid keep about 40 degrees, can accelerate reaction rate to a certain extent, the KOH solution that heats can react with SO2F2 and CO2 each other, make the absorption liquid can get rid of the inside doped SO2F2 and CO2 of sulfur hexafluoride gas, later through the drying cabinet of installation, can be with the gas drying after purifying, pass through the active carbon layer at last, adsorb unnecessary peculiar smell, lead by air duct B and send to the inside collection of gas collecting bottle, this device structure is comparatively simple simultaneously, and it is more simple and convenient to operate, and fail safe nature is higher.

2. The utility model discloses a drying cabinet and seal structure of installation, when needs are changed the inside functional material of casing, slide in opposite directions the slide of drying cabinet top cap one side from the spout inside, make the inside roll-off of latex board is followed on the top of slide, simultaneously because the spring receives certain pressure during grafting, certain degree of deformation has been produced, make the spring apply an elasticity to the slide, and then can pop out the slide from the draw-in groove is inside, take the drying cabinet out from casing one side afterwards, functional material such as the cotton to the drying cabinet inside is cleared up or is changed by the line, prevent the live time overlength, the condition that influences the result of use takes place, make taking out or changing convenient and fast more of functional material, improve and change efficiency, make workman's working strength littleer.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic cross-sectional view of a sulfur hexafluoride recovery device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a drying box of a sulfur hexafluoride recovery device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a sealing structure of a sulfur hexafluoride recovery device according to an embodiment of the present invention.

In the figure: 1. a housing; 2. an air inlet pipe; 3. aerating stones; 4. a filter box; 5. an air duct A; 6. an absorption liquid; 7. a drying oven; 8. a sealing structure; 9. an activated carbon layer; 10. an electric hot plate; 11. an air duct B; 12. A gas collection bottle; 13. cotton; 14. a card slot; 15. a spring; 16. latex boards; 17. a chute; 18. a slide plate; 19. a top cover; 20. a mesh plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The following describes in detail a recovery apparatus for sulfur hexafluoride according to an embodiment of the present invention with reference to fig. 1 to 3.

Referring to fig. 1 and 2, a sulfur hexafluoride recovery device provided by an embodiment of the present invention includes a housing 1, an air inlet pipe 2 is inserted into a top end of the housing 1, an aeration stone 3 is inserted into a bottom end of the air inlet pipe 2, the aeration stone 3 is connected to an inside of a filter box 4 in a clearance manner, an air duct a5 is inserted into a top end of the filter box 4, a bottom end of the air duct a5 is connected to a drying box 7 in a clearance manner, an outside of the drying box 7 is connected to a mesh plate 20 in an interference manner, an activated carbon layer 9 is filled below the drying box 7, an air duct B11 is inserted into a bottom end of the housing 1, an output end of the air duct B11 is fixedly connected to an input end of a gas collecting bottle 12, a box cover 19 is fastened to one side of the drying box 7, a chute 17 is formed on a surface of the box cover 19, a sliding plate 18 is slidably connected to an, seal structure 8 includes latex board 16 and draw-in groove 14, through the drying cabinet of installation, can make the inside steam of gas absorbed, can conveniently carry out quick change to the cotton of drying cabinet inside simultaneously, and then improve the result of use.

As shown in fig. 1, the inside of the filter tank 4 is filled with an absorption liquid 6, and the impurity gas in the gas can be adsorbed by the absorption liquid.

Referring to fig. 2, the drying box 7 is filled with cotton 13, and impurities in the air can be filtered by the cotton.

Referring to fig. 3, a spring 15 is embedded and connected inside the clamping groove 14, one end of the spring 15 is embedded and connected with a latex plate 16, and the sealing performance of the shell can be improved through the installed latex plate.

Referring to fig. 1, an electric heating plate 10 is fixedly installed inside the filter box 4, and an input end of the electric heating plate 10 is electrically connected to an external power supply.

The embodiment of the utility model provides a recovery unit of sulfur hexafluoride, during the use, with jar body and the intake pipe 2 connection of casing 1 one end, make sulfur hexafluoride lead to the casing 1 inside through intake pipe 2, the gaseous aeration stone 3 that passes through intake pipe 2 one side of sulfur hexafluoride is split into individual tiny bubble afterwards, and then make the area of contact of gas and absorption liquid 6 increase, make the gaseous rate of mutual reaction with absorption liquid 6 inside filter box 4 increase, open external switch simultaneously, make electric plate 10 operate, the inside can constantly produce the heat because of the effect of resistance of electric plate 10, and then make absorption liquid 6 heated, make absorption liquid 6 keep about 40 degrees, can accelerate reaction rate to a certain extent, the KOH solution of heating can react with SO2F2 and CO2 each other, make absorption liquid 6 can get rid of the gaseous inside doped SO2F2 of sulfur hexafluoride and CO2, then through the installed drying box 7, the purified gas can be dried, finally, through the activated carbon layer 9, redundant peculiar smell is adsorbed, the gas is guided to the inside of the gas collecting bottle 12 by the gas guide tube B11 to be collected, when functional substances in the shell 1 need to be replaced, the sliding plate 18 on one side of the top cover 19 of the drying box 7 slides oppositely from the inside of the sliding groove 17, so that the top end of the sliding plate 18 slides out of the inside of the latex plate 16, meanwhile, the spring 15 generates certain deformation due to certain pressure during plugging, so that the spring 15 applies elastic force to the sliding plate 18, the sliding plate 18 can be popped out from the inside of the clamping groove 14, then the drying box 7 is pulled out from one side of the shell 1, the functional substances such as cotton 13 in the drying box 7 are cleaned or replaced, the situation that the service life is too long and the use effect is influenced is prevented, and the functional substances are more convenient and quicker to take out or replace, the replacement efficiency is improved.

The electric heating plate 10 is a DB-1 model which is commonly available on the market.

It should be noted that the utility model relates to a recovery unit of sulfur hexafluoride, including casing 1, intake pipe 2, aeration stone 3, rose box 4, air duct A5, absorption liquid 6, drying cabinet 7, seal structure 8, activated carbon layer 9, electric plate 10, air duct B11, gas collecting bottle 12, cotton 13, draw-in groove 14, spring 15, emulsion board 16, spout 17, slide 18, top cap 19, otter board 20, above-mentioned electrical components are prior art products, by the needs of the use of technical staff, select, install and accomplish the debugging operation of circuit, ensure that each electrical equipment can normal work, the part is general standard component or the part that technical staff in the field knows, its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical staff, this applicant does not do not specifically limit here.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A sulfur hexafluoride recovery device comprises a shell (1) and is characterized in that an air inlet pipe (2) is inserted into the top end of the shell (1), an aeration stone (3) is connected to the bottom end of the air inlet pipe (2) in an embedded mode, the aeration stone (3) is connected to the inside of a filter box (4) in a clearance mode, an air guide pipe A (5) is inserted into the top end of the filter box (4) in a inserted mode, a drying box (7) is connected to the bottom end of the air guide pipe A (5) in a clearance mode, a screen plate (20) is connected to the outer side of the drying box (7) in an interference mode, an active carbon layer (9) is filled below the drying box (7), an air guide pipe B (11) is inserted into the bottom end of the shell (1), the output end of the air guide pipe B (11) is fixedly connected with the input end of an air collection bottle (12), a box cover (19), the inside sliding connection of spout (17) has slide (18), the inside at seal structure (8) is pegged graft to the one end of slide (18), seal structure (8) include latex board (16) and draw-in groove (14).

2. A sulphur hexafluoride recovery device according to claim 1, characterised in that the interior of the filter box (4) is filled with an absorption liquid (6).

3. A sulphur hexafluoride recovery device as claimed in claim 1, characterised in that the interior of the drying box (7) is filled with cotton (13).

4. The sulfur hexafluoride recovery device according to claim 1, wherein a spring (15) is embedded and connected inside the clamping groove (14), and one end of the spring (15) is embedded and connected with a latex plate (16).

5. The sulfur hexafluoride recovery device according to claim 1, wherein an electric heating plate (10) is fixedly installed inside the filter box (4), and an input end of the electric heating plate (10) is electrically connected with an external power supply.