CN217698406U

CN217698406U - Crude purification pretreatment device for krypton gas

Info

Publication number: CN217698406U
Application number: CN202221331582.8U
Authority: CN
Inventors: 卢红太; 何东林; 朱克嘉; 王军; 王宏玉
Original assignee: Kaifeng Dear Air Separation Industrial Co ltd
Current assignee: Kaifeng Dear Air Separation Industrial Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-11-01
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses a rough purification preprocessing device of krypton, including the holding vessel, the holding vessel has the second filter through connecting pipe connection, the second filter is connected with the heating chamber through flange joint seat, and flange joint seat adopts the structure of frustum, and its both ends cup joint with second filter and heating chamber mutually, the heating chamber is connected with the spiral intake pipe, be provided with the aspirator pump in the spiral intake pipe, the aspirator pump is convenient for improve the flow efficiency of air current, and the one end of spiral intake pipe is provided with the switching cover, and this rough purification preprocessing device of krypton makes the impurity that is greater than the pore on filter plate group surface of the inside doping of gas can be filtered out to filter the impurity of gas inside, collect in the inside of first filter, prevent the inside impurity that dopes of gas, through the effect of heating plate and second filter simultaneously, further improve gaseous purification effect.

Description

Crude purification pretreatment device for krypton gas

Technical Field

The utility model relates to a gas purification technical field specifically is a rough purification preprocessing device of krypton.

Background

Krypton, which consists of monoatomic molecules, a rare gas, is colorless, odorless, tasteless, and chemically very inert, can be used to fill electric bulbs and electronic devices, and also absorbs X-rays, and is used as a light-shielding material when X-rays are operated.

During extraction of krypton, the krypton needs to be pretreated, but the existing pretreatment effect is poor, so that more impurities are easily doped in krypton, impurity molecules such as dust, H2, O2, CO and CO2 appear, and the performance and quality of the product are affected after the purity of the gas is reduced.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to overcome current defect, provide a rough purification preprocessing device of krypton, filter impurity such as dust, H2, O2, CO2 with doping in the gas and clear away totally, prevent the inside impurity that dopes of krypton, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a rough purification preprocessing device of krypton, includes the holding vessel, the holding vessel is connected with the second filter through connecting pipe, the second filter is connected with the heating chamber through the flange joint seat, and the flange joint seat adopts the structure of frustum, and its both ends cup joint with second filter and heating chamber mutually, the heating chamber is connected with the spiral intake pipe, be provided with the aspirator pump in the spiral intake pipe, the aspirator pump is convenient for improve the flow efficiency of air current, and the one end of spiral intake pipe is provided with the switching cover, the switching cover cup joints with the honeycomb duct mutually, the other end of spiral intake pipe is connected with the honeycomb duct, the honeycomb duct is connected with first filter, the inlet end of first filter is connected with the intake pipe, all be provided with filter plate group in first filter and the second filter, the filter plate group in the first filter is used for detaching the dust in the air, is in the filter plate group in the second filter for carbon dioxide and steam go out, be provided with the filter core in the heating chamber, improve the purity of krypton.

As a preferred technical scheme of the utility model, adopt split type structure between the upper cover of first filter and second filter and the barrel, connect through any mode in lock joint or the spiro union between the two, the dismouting of being convenient for is changed the filtering plate group in it, improves the convenience of using.

As a preferred technical scheme of the utility model, flange joint seat's both ends all are provided with seal ring, improve the leakproofness of device, avoid the influence of other external gases.

As an optimal technical scheme of the utility model, be provided with the side on the inner wall of first filter and second filter and hang the seat, the seat is hung to the side and filtering board group looks lock joint, makes things convenient for filtering board group's installation, improves the convenience of using.

As a preferred technical scheme of the utility model, the heating chamber adopts bilayer structure, is provided with the heating plate in the intermediate layer in the middle of the bilayer structure, the heating plate circumference is densely covered on the inner wall, and the heating plate heats the inner wall, is convenient for heat inside, and then the combustible gas in the consumed air, through the filtration of filter plate group, improves the purity of krypton.

As a preferred technical scheme of the utility model, the spiral intake pipe sets up at table surface, table surface's lower surface is provided with the support frame seat, the lower surface of holding vessel is provided with the supporting leg.

Compared with the prior art, the beneficial effects of the utility model are that: this rough purification preprocessing device of krypton makes the inside impurity that dopes of feed gas and be greater than the pore on the surface of filter plate group can be filtered out to filter the impurity of gas inside, collect in the inside of first filter, prevent gaseous inside impurity of doping, through the effect of heating plate and second filter, further improve gaseous purification effect simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 isbase:Sub>A schematic view of the cross-sectional structure A-A of FIG. 2;

FIG. 4 is a schematic view of the cross-sectional structure B-B in FIG. 2;

fig. 5 is an enlarged schematic view of the structure at C in fig. 3.

In the figure: the device comprises a support base 1, an air inlet pipe 2, a first filter 3, a flow guide pipe 4, an air suction pump 5, a spiral air inlet pipe 6, a workbench surface 7, a heating chamber 8, a flange connecting base 9, a second filter 10, a storage tank 11, supporting legs 12, a filter plate group 13, a filter element 14, a side hanging base 15 and a heating plate 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention (for convenience of description and understanding, the upper part of fig. 2 is described as the upper part below). All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of protection of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a rough krypton purification pretreatment device comprises a storage tank 11, wherein support legs 12 are arranged on the lower surface of the storage tank 11, the storage tank 11 is connected with a second filter 10 through a connecting guide pipe, the second filter 10 is connected with a heating chamber 8 through a flange connecting seat 9, the flange connecting seat 9 adopts a frustum structure, two ends of the flange connecting seat are sleeved with the second filter 10 and the heating chamber 8, sealing gaskets are arranged at two ends of the flange connecting seat 9, the sealing performance of the device is improved, the influence of other external gas is avoided, the heating chamber 8 is connected with a spiral air inlet pipe 6, the spiral air inlet pipe 6 is arranged on a working table surface 7, a support seat 1 is arranged on the lower surface of the working table surface 7, an air suction pump 5 is arranged on the spiral air inlet pipe 6, the air suction pump 5 is convenient for improving the flow efficiency of air flow, and a switching sleeve is arranged at one end of the spiral air inlet pipe 6, the adapter sleeve is sleeved with the flow guide pipe 4, the other end of the spiral air inlet pipe 6 is connected with the flow guide pipe 4, the flow guide pipe 4 is connected with the first filter 3, the air inlet end of the first filter 3 is connected with the air inlet pipe 2, the filter plate groups 13 are arranged in the first filter 3 and the second filter 10, the upper covers and the cylinder bodies of the first filter 3 and the second filter 10 are of a split structure, the upper covers and the cylinder bodies are connected through any one of fastening or screwing, so that the filter plate groups 13 in the first filter 3 and the second filter 10 are convenient to disassemble and assemble, the filter plate groups 13 in the first filter are replaced, the use convenience is improved, the side hanging seats 15 are arranged on the inner walls of the first filter 3 and the second filter 10, the side hanging seats 15 are fastened with the filter plate groups 13, the installation of the filter plate groups 13 is convenient, the use convenience is improved, and the filter plate groups 13 in the first filter 3 are used for removing dust in the air, and the filter plate group 13 is arranged in the second filter 10 and used for removing carbon dioxide and water vapor, and the filter element 14 is arranged in the heating chamber 8 to improve the purity of krypton.

Heating chamber 8 adopts bilayer structure, is provided with heating plate 16 in the intermediate layer in the middle of the bilayer structure, 16 circumferences of heating plate are densely covered on the inner wall, and heating plate 16 heats the inner wall, is convenient for heat inside, and then consumes the combustible gas in the air, through the filtration of filter plate group 13, improves the purity of krypton.

When in use: gas enters the first filter 3 through the gas inlet pipe 2, the filter plate group 13 performs primary filtering on the entering gas to remove large-particle impurities such as dust and the like in the gas, the air suction pump 5 operates to absorb the filtered gas into the heating chamber 8, the heating plate 16 starts heating, combustible gas and oxygen in the gas are combusted to be changed into absorbable water vapor and carbon dioxide, anhydrous calcium chloride in the filter element 14 collects water vapor generated after combustion of hydrogen and oxygen, the content of other gases in the gas is further reduced, the generated carbon dioxide and gases such as sulfur dioxide contained in the air are absorbed by the filter plate group 13 in the second filter 10, so that the content of other impurities is reduced, and the purity of krypton is improved.

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. A crude purification pretreatment device of krypton gas, comprising a storage tank (11), characterized in that: the storage tank (11) is connected with a second filter (10) through a connecting pipe, the second filter (10) is connected with a heating chamber (8) through a flange connecting seat (9), the heating chamber (8) is connected with a spiral air inlet pipe (6), an air suction pump (5) is arranged on the spiral air inlet pipe (6), the other end of the spiral air inlet pipe (6) is connected with a flow guide pipe (4), the flow guide pipe (4) is connected with a first filter (3), the air inlet end of the first filter (3) is connected with an air inlet pipe (2), filter plate groups (13) are arranged in the first filter (3) and the second filter (10), and a filter element (14) is arranged in the heating chamber (8).

2. The crude krypton gas purification pretreatment apparatus as recited in claim 1, wherein: the upper covers and the cylinder bodies of the first filter (3) and the second filter (10) adopt a split structure, and the two filters are connected in any mode of buckling connection or screw connection.

3. The crude purification pretreatment device of krypton according to claim 1, wherein: and sealing gaskets are arranged at two ends of the flange connecting seat (9).

4. The crude purification pretreatment device of krypton according to claim 1, wherein: the inner walls of the first filter (3) and the second filter (10) are provided with side hanging seats (15), and the side hanging seats (15) are buckled with the filter plate group (13).

5. The crude purification pretreatment device of krypton according to claim 1, wherein: the heating chamber (8) adopts a double-layer structure, a heating sheet (16) is arranged in an interlayer in the middle of the double-layer structure, and the heating sheet (16) is densely distributed on the inner wall in the circumference.

6. The crude purification pretreatment device of krypton according to claim 1, wherein: the spiral air inlet pipe (6) is arranged on a working table surface (7), the lower surface of the working table surface (7) is provided with a support base (1), and the lower surface of the storage tank (11) is provided with support legs (12).