Molecular sieve device for krypton xenon production

Abstract

The utility model relates to a molecular sieve device for krypton and xenon production, which comprises a pipeline with a rectangular section, a plurality of screening mechanisms are arranged on the pipeline along the length direction, a plurality of strip-shaped insertion holes which vertically extend are arranged on the right side wall of the pipeline and are in one-to-one correspondence with the screening mechanisms, and the screening mechanisms can be inserted into the strip-shaped insertion holes; the screening mechanism comprises a rectangular frame body, the two faces of the frame body are both covered with net faces, and the frame body is filled with molecular sieve filler. A vertically-through upper opening is formed in the top edge of the frame body, and a vertically-through lower opening is formed in the bottom edge of the frame body. The right side edge of the frame body is provided with a horizontally-through plugboard hole, and the plugboard hole corresponds to the position of the lower opening; and the plug board penetrates through the plug board hole and extends into the lower opening. The multi-stage screening mechanism is adopted, compared with the prior art, a better impurity gas removing effect is achieved, the molecular sieve filler of a certain screening mechanism can be replaced according to needs, and the replacement process is simpler.

Description

TECHNICAL FIELD

[0001] The utility model relates to rare gas preparation field, concretely relates to a molecular sieve device for krypton xenon production. BACKGROUND

[0002] The poor krypton and poor xenon produced in the krypton xenon production process need to be further screened of residual impurities by molecular sieves;

[0003] Molecular sieves are porous particle fillers with specific pore sizes, and as fillings of molecular sieve devices, they force gas to pass through the molecular sieve device when in use, so that the impurities in the gas are adsorbed by the fillings.

[0004] The molecular sieve device in the prior art, such as the high-purity krypton xenon extraction device disclosed in the utility model patent with the application number 202321347522.X, puts the fillings into two half-dog-shaped cylindrical hollow containers, and places the cylindrical containers in the multiple placement holes of the molecular sieve placement seat, so that the impurities in the interior are adsorbed when the gas passes through, but the cylindrical structure as the container of the fillings causes uneven distribution of the fillings, and the gas passing through the gaps of the multiple placement holes does not come into contact with the fillings, resulting in poor screening effect, in addition, the two halves are mutually dogged, which is troublesome to operate when the fillings are replaced. SUMMARY

[0005] To solve the problems in the above-mentioned technology, the utility model provides a molecular sieve device for krypton xenon production, which comprises a pipeline with a rectangular cross section, multiple screening mechanisms are arranged along the length direction of the pipeline, a vertically extending strip-shaped insertion hole is arranged on the right side wall of the pipeline, the strip-shaped insertion hole is multiple and corresponds to the multiple screening mechanisms one by one, and the screening mechanism can be inserted into the strip-shaped insertion hole.

[0006] Among them, the front and rear side walls of the lower opening are both provided with horizontally extending sliding grooves.

[0007] Among them, the right side of the frame body is provided with a cover plate, multiple avoiding holes are arranged on the outer edge of the cover plate, the right side wall of the pipeline is provided with blind holes corresponding to the avoiding holes on the outer surface, the blind holes have internal threads, and the plug-in hole penetrates the cover plate.

[0008] Among them, the side of the cover plate facing the frame body is provided with a rubber pad on the outer edge.

[0009] The cover plate is provided with a handle on the side away from the frame.

[0010] The pipe is provided with a plurality of guide groove groups along the length direction, and the plurality of guide groove groups correspond to a plurality of strip-shaped insertion holes.

[0011] The left side of the frame is provided with a through hole penetrating along the length direction of the pipe, and the left side of the frame is provided with a strip-shaped adjusting hole on the side facing the interior of the frame, which is in communication with the through hole.

[0012] The through hole is provided with a spring between the two L-shaped rods.

[0013] The slag hopper is provided with a plurality of slag hoppers corresponding to the number of the screening mechanisms, and the top of the slag hopper is in communication with the bottom side of the pipe.

[0014] The bottom opening of the slag hopper is provided with a vertical pipe in communication, and two flap valves are vertically spaced on the vertical pipe.

[0015] The beneficial effects of the present application are that the multi-stage screening mechanism has better impurity removal effect compared with the prior art, and the molecular sieve filler of a certain screening mechanism can be replaced as needed, and the replacement process is simpler. BRIEF DESCRIPTION OF DRAWINGS

[0016] The present application will be further described in detail below in combination with the drawings and specific embodiments.

[0017] Figure 1 is the front view of the present application;

[0018] Figure 2 is a schematic view of the screening mechanism of the present application;

[0019] Figure 3 is a disassembly schematic view of the screening mechanism of the present application;

[0020] Figure 4 is the front view of the present application Figure 3 A part of the enlarged view.

[0021] BRIEF DESCRIPTION OF DRAWINGS

[0022] 1, pipe, 11, strip-shaped insertion hole, 12, blind hole, 13, guide groove;

[0023] 2, screening mechanism, 21, frame, 211, through hole, 212, adjusting hole, 213, L-shaped rod;

[0024] 22, upper opening, 23, lower opening, 231, sliding groove, 24, plug, 241, plug hole, 25, handle, 26, cover plate, 261, avoiding hole;

[0025] 3, slag hopper, 31, vertical pipe, 32, flap valve. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. In the following description, a large number of specific details are set forth in order to facilitate a full understanding of the present application, but the present application can also be implemented in other manners different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, so the present application is not limited to the specific embodiments disclosed below.

[0027] As Figures 1 to 4 shown, a molecular sieve device for krypton-xenon production provided by the embodiment, including the pipe way 1 that cross section is rectangle, the pipe way 1 is provided with multiple screening mechanisms 2 along the length direction, the right side wall of the pipe way 1 is provided with the vertically extending strip-shaped jack 11, the strip-shaped jack 11 is multiple and corresponds to multiple screening mechanisms 2 one by one, the screening mechanism 2 can be inserted into the strip-shaped jack 11;

[0028] The screening mechanism 2 includes a rectangular frame 21, both sides of the frame 21 are covered with a mesh surface (not shown), which can be a stainless steel mesh surface. The frame 21 is filled with spherical molecular sieve filler (not shown). The molecular sieve filler is a prior art and should be selected according to the gas components to be screened out.

[0029] The top edge of the frame 21 is provided with a vertically through upper opening 22, and the bottom edge of the frame 21 is provided with a vertically through lower opening 23.

[0030] The right side of the frame 21 is provided with a horizontally through plug hole 241, which corresponds in position to the lower opening 23.

[0031] The front and rear side walls of the lower opening 23 are each provided with a horizontally extending sliding groove 231.

[0032] It also includes a plug 24, which extends into the lower opening 23 through the plug hole 241 and is guided by the sliding groove 231. The plug 24 can close the lower opening 23 after extending in. The outer surface of the plug 24 is covered with a rubber layer. The plug 24 is squeezed by the sliding groove 231 after being inserted, and a pull ring (not shown) can be provided at the right end of the plug 24.

[0033] The right side of the frame 21 is provided with a cover plate 26, a plurality of avoiding holes 261 are arranged on the outer edge of the cover plate 26, the outer surface of the right side wall of the pipeline 1 is provided with blind holes 12 corresponding to the avoiding holes 261, the blind holes 12 are internally threaded, and a rubber pad (not shown) is arranged on the side of the cover plate 26 facing the frame 21 for sealing, and a handle is arranged on the side of the cover plate 26 away from the frame 21, and the plug-in hole 241 penetrates to the outside of the cover plate 26.

[0034] A plurality of guide groove groups are arranged on the pipeline 1 along the length direction, and the plurality of guide groove groups correspond to the position and number of the plurality of strip-shaped insertion holes 11.

[0035] The guide groove group comprises guide grooves 13 arranged on the inner top surface and the bottom surface of the pipeline 1, and is used for guiding the frame 21 during insertion and extraction.

[0036] The left side of the frame 21 is provided with a through hole 211 penetrating along the length direction of the pipeline 1, and a strip-shaped adjusting hole 212 is arranged on the side of the left side of the frame 21 facing the inside of the frame 1, the adjusting hole 212 is in communication with the through hole 211, and a spring (not shown) extending along the length direction of the pipeline 1 is arranged in the through hole 211.

[0037] Further comprising two L-shaped rods 213, one end of each of the two L-shaped rods 213 respectively penetrates from both ends of the through hole 211, the other end of each of the two L-shaped rods 213 penetrates from the adjusting hole 212, and the spring is located between the two L-shaped rods 213.

[0038] Further comprising a plurality of residue hoppers 3 corresponding to the number of the screening mechanisms 2, the top of each of the plurality of residue hoppers 3 is in communication with the bottom side of the pipeline 1; the plurality of residue hoppers 3 are respectively located downstream of the plurality of screening mechanisms 2, and a vertical pipe 31 is arranged in communication with the bottom opening of each of the plurality of residue hoppers 3; and two flap valves 32 are vertically and spaced apart on the vertical pipe 31.

[0039] In use, as shown in Figure 1 , the gas moves along the pipeline 1, and the components to be screened are removed after the gas is adsorbed by the molecular sieve filler of the screening mechanism 2;

[0040] When the filler needs to be replaced due to saturation, the screws are removed from the blind holes 12 and the avoiding holes 261, the frame 21 is pulled out through the handle 25, at this time, as shown in Figure 4 , one end of the L-shaped rod 213 extends from the through hole 211 to limit the frame 21, so that the left side of the frame 21 is still limited in the pipeline 1 after being pulled out, the plug-in plate 24 is pulled out, the filler leaks out from the lower opening 23, then the plug-in plate 24 is inserted back, new filler is added from the upper opening, the frame 21 is inserted into the pipeline 1, and the screws are tightened, after the frame 21 is inserted, the pipeline 1 at the position is cut off by cooperation with the mesh surface, so that the gas can only pass through the mesh surface and the molecular sieve filler.

[0041] When the frame 21 needs to be replaced, the screws are removed, the frame 21 is pulled out to the maximum, the two L-shaped rods 213 are pinched from the end penetrating out of the adjusting hole 212, the spring is compressed, the other end of the L-shaped rod 213 is put into the through hole 211, then the frame 21 is continuously pulled out of the pipeline 1, then the two L-shaped rods 213 of the new frame 21 are pinched and the new frame 21 is inserted into the strip-shaped insertion hole 11, and the installation of the new frame 21 is completed.

[0042] When the slag needs to be cleaned, the upper flap valve 32 is opened, the slag falls on the lower flap valve 32, the upper flap valve 32 is closed, and the lower flap valve 32 is opened, so that the slag is cleaned out without stopping.

[0043] Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

Claims

1. A molecular sieve apparatus for krypton-xenon production, characterized by, The utility model provides a pipeline, which comprises a pipeline with a rectangular cross section, a plurality of screening mechanisms arranged along the length direction of the pipeline, a vertically extending strip-shaped insertion hole arranged on the right side wall of the pipeline, a plurality of strip-shaped insertion holes corresponding to the plurality of screening mechanisms, and the screening mechanism can be inserted into the strip-shaped insertion hole. The screening mechanism comprises a rectangular frame, the two surfaces of the frame are covered with a mesh, and the frame is filled with molecular sieve filler. The top edge of the frame is provided with a vertically penetrating upper opening, and the bottom edge of the frame is provided with a vertically penetrating lower opening. The right side edge of the frame is provided with a horizontally penetrating insertion plate hole corresponding to the position of the lower opening. The utility model also comprises an insertion plate which extends into the lower opening through the insertion plate hole.

2. The apparatus for producing krypton and xenon according to claim 1, wherein The front and rear side walls of the lower opening are provided with horizontally extending sliding grooves.

3. The apparatus for producing krypton and xenon according to claim 1, wherein The right side surface of the frame is provided with a cover plate, the outer edge of the cover plate is provided with a plurality of avoiding holes, the outer surface of the right side wall of the pipeline is provided with blind holes corresponding to the avoiding holes, the blind holes have internal threads, and the insertion plate hole penetrates the cover plate.

4. The apparatus for producing krypton and xenon according to claim 3, wherein The side of the cover plate away from the frame is provided with a rubber pad.

5. The apparatus for producing krypton and xenon according to claim 3, wherein The side of the cover plate away from the frame is provided with a handle.

6. The apparatus for producing krypton and xenon according to claim 1, wherein The pipeline is provided with a plurality of guide groove groups along the length direction, and the plurality of guide groove groups correspond to the plurality of strip-shaped insertion holes. The guide groove group comprises a guide groove arranged on the inner top surface and the bottom surface of the pipeline.

7. The apparatus for producing krypton and xenon according to claim 1, wherein The left side edge of the frame is provided with a through hole penetrating along the length direction of the pipeline, and the left side edge of the frame is provided with a strip-shaped adjusting hole on the side facing the inside of the frame, and the adjusting hole communicates with the through hole. The utility model also comprises two L-shaped rods, one end of each of the two L-shaped rods extends out from each end of the through hole, and the other end of each of the two L-shaped rods extends out from the adjusting hole.

8. The apparatus for producing krypton and xenon according to claim 7, wherein A spring is arranged in the through hole, and the spring is located between the two L-shaped rods.

9. The apparatus for producing krypton and xenon according to any one of claims 1 to 8, wherein The utility model also comprises a plurality of slag hoppers corresponding to the number of screening mechanisms, and the top of the slag hopper communicates with the bottom side of the pipeline. The plurality of slag hoppers are arranged downstream of the plurality of screening mechanisms, respectively.

10. The apparatus for producing krypton and xenon according to claim 9, wherein A vertical pipe is arranged in the bottom opening of the slag hopper, and two flap valves are vertically spaced apart on the vertical pipe.

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