CN113893643A - High vacuum annular gas adsorption piece - Google Patents
High vacuum annular gas adsorption piece Download PDFInfo
- Publication number
- CN113893643A CN113893643A CN202111020054.0A CN202111020054A CN113893643A CN 113893643 A CN113893643 A CN 113893643A CN 202111020054 A CN202111020054 A CN 202111020054A CN 113893643 A CN113893643 A CN 113893643A
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- Prior art keywords
- box
- sub
- adsorbent
- high vacuum
- annular gas
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 16
- 239000003463 adsorbent Substances 0.000 claims abstract description 32
- 238000009434 installation Methods 0.000 description 4
- 239000002594 sorbent Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/06—Arrangements using an air layer or vacuum
- F16L59/065—Arrangements using an air layer or vacuum using vacuum
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The invention discloses a high-vacuum annular gas adsorption piece, which comprises an inner pipe, an outer pipe and an adsorbent box, wherein the adsorbent box is fixed on the inner pipe and is not in contact with the outer pipe, the adsorbent box is annular as a whole, a vacuum adsorbent is arranged in the adsorbent box, a plurality of through holes are formed in the surface of the adsorbent box, and an openable cover is arranged on the adsorbent box.
Description
Technical Field
The invention belongs to the technical field of vacuum pipelines, and particularly relates to a high-vacuum annular gas adsorption piece.
Background
A set of vacuum pipeline and equipment can be insulated by vacuum after leak detection, replacement and vacuum pumping. Generally, in the using process, the surface of the vacuum cavity can slowly release the gas originally adsorbed on the metal surface, so that the vacuum degree is reduced, the heat insulation performance of a vacuum pipeline and equipment is reduced, heat/cold energy loss is generated, and accidents are possibly caused.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a high-vacuum annular gas adsorption device suitable for vacuum pipelines and equipment, which is tightly attached to a cold end to realize higher vacuum adsorption capacity, realizes vacuum maintenance of a vacuum double-wall pipeline through a gas adsorption material, and also reduces the potential possibility of safety accidents.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high vacuum annular gas adsorption piece, includes inner tube and outer tube, still includes adsorbent box, and adsorbent box is fixed in on the inner tube, and does not contact with the outer tube, the whole annular that is of adsorbent box, be provided with the vacuum adsorption agent in the adsorbent and the, adsorbent box surface is provided with a plurality of through-holes, and is provided with the lid that can open on the adsorbent box.
The adsorbent box comprises at least two arc-shaped sub-boxes, all the sub-boxes are sequentially connected end to form a ring, every two adjacent sub-boxes are fixed with each other, and covers are distributed on each sub-box.
Furthermore, both side edges of each sub-box are provided with connecting lugs, and the connecting lugs of two adjacent sub-boxes are fixed through fasteners.
Furthermore, the edge of the sub-box corresponding to the connecting lug is an inclined surface, the connecting lug is connected with the inner side surface of the sub-box, and an assembly space is formed between the inclined surface and the connecting lug.
Each connecting ear is further provided with at least two fasteners along the length direction thereof.
Compared with the prior art, the invention has the beneficial effects that: aiming at a vacuum pipeline and equipment, a high-vacuum annular gas adsorption device suitable for the vacuum pipeline and the equipment is designed and researched, a plurality of arc-shaped sub-boxes are clamped on an inner pipe/container through bolts, and the installation operation becomes extremely simple and reliable; and the gas adsorption piece is tightly attached to the cold end, namely the inner pipe, so that higher vacuum adsorption capacity is realized, vacuum maintenance of the vacuum double-wall pipeline is realized through the vacuum adsorbent in the adsorbent box, the potential possibility of safety accidents is reduced, and the gas adsorption piece has the advantages of wide application range in the industrial field, convenience in manufacturing and installation, low cost and high safety.
Drawings
FIG. 1 is a schematic view of a high vacuum annular gas adsorbing member according to a first embodiment of the present invention;
FIG. 2 is a side view of a high vacuum annular gas adsorbing member of the present invention;
FIG. 3 is a schematic view of a second embodiment of the high vacuum annular gas adsorbing member according to the present invention;
fig. 4 is a schematic view of a third embodiment of the high vacuum annular gas adsorbing member of the present invention.
Reference numerals: 1. an inner tube; 12. an annular cavity; 2. an outer tube; 3. a sorbent cartridge; 31. connecting lugs; 32. a cover; 33. a sub-box; 34. an assembly space; 4. a fastener; 5. and (4) vacuum adsorbing agent.
Detailed Description
Embodiments of the high vacuum annular gas adsorbing member of the present invention will be further described with reference to fig. 1 to 4.
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a number" or "a number" means two or more unless explicitly specified otherwise.
The first embodiment is as follows:
the utility model provides a high vacuum annular gas adsorption piece, includes inner tube 1 and outer tube 2, still includes adsorbent box 3, and adsorbent box 3 is fixed in on the inner tube 1, and does not contact with outer tube 2, adsorbent box 3 wholly is the annular, be provided with vacuum adsorbent 5 in the adsorbent and the interior, adsorbent box 3 surface is provided with a plurality of through-holes, and is provided with the lid 32 that can open on the adsorbent box 3.
In the present invention, the lid 32 and the main body of the sorbent cartridge 3 may be connected by a snap fit or a screw thread.
Typically, a vacuum annular chamber 12 is formed between the inner tube 1 and the outer tube 2, and a number of fixed or sliding supports are provided therebetween to maintain the spacing therebetween for transporting the cold charge within the inner tube 1 during use.
Generally, the surface of a vacuum annular cavity 12 between a vacuum heat insulation pipe and an inner pipe 1 and an outer pipe 2 (wall) of equipment can slowly release gas originally adsorbed on the metal surface, and if no measures are taken, the vacuum degree is reduced, so that the heat insulation performance of the vacuum pipe and the equipment is reduced, heat/cold energy loss is generated, and accidents are possibly caused.
The preferred sorbent cartridge 3 of this embodiment comprises at least two arc-shaped sub-cartridges 33, all the sub-cartridges 33 are sequentially connected end to form a ring, two adjacent sub-cartridges 33 are fixed to each other, and a cover 32 is distributed on each sub-cartridge 33.
In this embodiment, the two sub-boxes 33 are provided, and the two sub-boxes 33 are semi-annular, so that they can be fixed on the inner tube 1 in any process before the inner tube 1 is placed into the outer tube 2, and do not need to be sleeved in advance by one end of the inner tube 1, which is very convenient, improves the installation efficiency, and reduces the installation difficulty.
The preferred both sides limit of sub-box 33 of this embodiment all is provided with engaging lug 31, and the engaging lug 31 of two adjacent sub-boxes 33 is fixed through fastener 4, and specific fastener 4 is bolt and nut, has the fixed orifices on engaging lug 31, passes the fixed orifices through the bolt and the cooperation of nut can fix the engaging lug 31 of two sub-boxes 33 and lock.
Of course, the two sub-cartridges 33 may be fixed by welding.
In the preferred embodiment, the edge of the sub-box 33 corresponding to the engaging lug 31 is an inclined surface, the engaging lug 31 is connected with the inner side surface of the sub-box 33, and the inclined surface and the engaging lug 31 form a fitting space 34.
As shown in fig. 1, when the annular cavity 12 between the inner tube 1 and the outer tube 2 is small, that is, the distance between the inner tube 1 and the outer tube 2 is small, the engaging lug 31 does not occupy any extra radial space, that is, the outer side of the engaging lug 31 does not protrude too far from the outer side of the sub-box 33, so as to prevent the engaging lug 31 from contacting or being too close to the outer tube 2.
Each engaging lug 31 of the preferred embodiment is provided with at least two fasteners 4 along its length.
Example two:
as shown in fig. 3, the whole sorbent cartridge 3 is in the form of a ring in this embodiment, i.e. it has no sub-cartridge 33, and the other technical features are the same as those of the first embodiment, which is suitable for double-wall piping with very small size.
Example three:
as shown in fig. 4, in the present embodiment, there are 4 sub-cartridges 33, and the remaining technical features are the same as those of the first embodiment, and in the case of the larger-sized inner tube 1, providing a plurality of sub-cartridges 33 enables the sub-cartridges 33 to be produced more conveniently, and at the same time, facilitates the fixing of the sub-cartridges 33 to the inner tube 1 to form the annular adsorbent cartridge 3.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (5)
1. The utility model provides a high vacuum annular gas adsorption piece, includes inner tube and outer tube, its characterized in that: the vacuum adsorption device is characterized by further comprising an adsorbent box, wherein the adsorbent box is fixed on the inner pipe and is not in contact with the outer pipe, the whole adsorbent box is annular, the adsorbent and the inner wall of the inner pipe are internally provided with vacuum adsorbents, the surface of the adsorbent box is provided with a plurality of through holes, and the adsorbent box is provided with an openable cover.
2. The high vacuum annular gas adsorbing member as recited in claim 1, wherein: the adsorbent box includes two at least curved sub-boxes, and all sub-boxes are end to end connection in proper order and form the annular, adjacent two sub-box reciprocal anchorage, it has the lid to distribute equally on every sub-box.
3. The high vacuum annular gas adsorbing member as recited in claim 2, wherein: and the two side edges of each sub-box are provided with connecting lugs, and the connecting lugs of two adjacent sub-boxes are fixed through fasteners.
4. The high vacuum annular gas adsorbing member as recited in claim 3, wherein: the edge of the sub-box corresponding to the connecting lug is an inclined plane, the connecting lug is connected with the inner side face of the sub-box, and an assembly space is formed between the inclined plane and the connecting lug.
5. The high vacuum annular gas adsorbing member as recited in claim 4, wherein: each engaging lug is provided with at least two fasteners along its length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111020054.0A CN113893643A (en) | 2021-09-01 | 2021-09-01 | High vacuum annular gas adsorption piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111020054.0A CN113893643A (en) | 2021-09-01 | 2021-09-01 | High vacuum annular gas adsorption piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113893643A true CN113893643A (en) | 2022-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111020054.0A Pending CN113893643A (en) | 2021-09-01 | 2021-09-01 | High vacuum annular gas adsorption piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113893643A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115196081A (en) * | 2022-07-14 | 2022-10-18 | 宁波齐云新材料技术有限公司 | High vacuum packaging equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205461642U (en) * | 2016-01-13 | 2016-08-17 | 北京航天发射技术研究所 | Low -temperature vacuum pipeline adsorption equipment |
| CN108057315A (en) * | 2016-11-09 | 2018-05-22 | 中国辐射防护研究院 | A kind of fast demountable can simultaneously carry out the adsorbent equipment of adsorbate sampled measurements |
| CN110227327A (en) * | 2019-07-10 | 2019-09-13 | 河南豫乾技术转移中心有限公司 | For formaldehyde absorbing particle net device |
-
2021
- 2021-09-01 CN CN202111020054.0A patent/CN113893643A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205461642U (en) * | 2016-01-13 | 2016-08-17 | 北京航天发射技术研究所 | Low -temperature vacuum pipeline adsorption equipment |
| CN108057315A (en) * | 2016-11-09 | 2018-05-22 | 中国辐射防护研究院 | A kind of fast demountable can simultaneously carry out the adsorbent equipment of adsorbate sampled measurements |
| CN110227327A (en) * | 2019-07-10 | 2019-09-13 | 河南豫乾技术转移中心有限公司 | For formaldehyde absorbing particle net device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115196081A (en) * | 2022-07-14 | 2022-10-18 | 宁波齐云新材料技术有限公司 | High vacuum packaging equipment |
| CN115196081B (en) * | 2022-07-14 | 2024-03-22 | 宁波齐云新材料技术有限公司 | High vacuum packaging equipment |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: No. 525 Xinda Road, Xinfeng Town, Nanhu District, Jiaxing City, Zhejiang Province, 314005 Applicant after: Zhejiang Yada Green Energy Technology Co.,Ltd. Address before: 314001 Xinfeng Industrial Zone, Nanhu District, Jiaxing City, Zhejiang Province Applicant before: YADA PIPELINE SYSTEM Co.,Ltd. Country or region before: China |
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| CB02 | Change of applicant information |