CN209865690U - Special helium purification device for helium compressor - Google Patents
Special helium purification device for helium compressor Download PDFInfo
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- CN209865690U CN209865690U CN201920379017.0U CN201920379017U CN209865690U CN 209865690 U CN209865690 U CN 209865690U CN 201920379017 U CN201920379017 U CN 201920379017U CN 209865690 U CN209865690 U CN 209865690U
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- helium
- layer
- shell
- compressor
- adsorption material
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- 239000001307 helium Substances 0.000 title claims abstract description 91
- 229910052734 helium Inorganic materials 0.000 title claims abstract description 91
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 238000000746 purification Methods 0.000 title claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 69
- 239000007789 gas Substances 0.000 claims abstract description 55
- 210000002268 wool Anatomy 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 28
- 238000001179 sorption measurement Methods 0.000 claims abstract description 26
- 239000011491 glass wool Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000012535 impurity Substances 0.000 abstract description 11
- 230000003245 working effect Effects 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 description 11
- 230000000694 effects Effects 0.000 description 8
- 229920000742 Cotton Polymers 0.000 description 7
- 239000011521 glass Substances 0.000 description 7
- 230000003139 buffering effect Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 230000003116 impacting effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Landscapes
- Compressor (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The utility model discloses a helium gas purification device special for a helium gas compressor, which comprises a shell, wherein the side wall of the lower end of the shell is provided with an air inlet, the side wall of the upper end of the shell is provided with an air outlet, an adsorption material layer is arranged in the shell, and the adsorption material layer comprises an ultrafine glass wool layer, an activated carbon layer and a wool felt layer; an oil collecting cavity is arranged between the bottom surface of the adsorption material layer and the bottom surface of the shell, and the air inlet is communicated with the oil collecting cavity; and a balance cavity is arranged between the top surface of the adsorption material layer and the top surface of the shell, and the exhaust port is communicated with the balance cavity. The utility model discloses a special helium gas purification device of helium compressor can solve traditional adsorber among the prior art to the very low oil vapor impurity of content, if be close 0.1ppm in, is difficult to the problem of effective absorption getting rid of, has improved the working property of refrigerator, and exhaust end helium purity can reach 99.999%.
Description
Technical Field
The utility model relates to a helium compressor technical field, concretely relates to special helium gas purification device of helium compressor.
Background
The helium compressor is a driving unit of a cryogenic pump system or other refrigeration units, is used for providing high-purity helium for the cryogenic pump or other refrigeration units, and is generally applied to the fields of aerospace military scientific research, electronic manufacturing, liquid crystal panel manufacturing and the like.
The current operation steps of using a helium compressor to compress helium are as follows: helium in each path enters a low-pressure balancer to balance pressure, then enters a helium compressor through pipelines of each unit to be compressed, and then compressed helium is sent to a cryogenic pump system. A large amount of heat is generated during helium compression, so that a mixture of oil, oil vapor and helium generated after compression needs to be circulated, returned, cooled and utilized, and the helium compressor is ensured to work normally. Firstly, the compressed oil-gas mixed gas needs to enter an oil-gas cooler for sufficient cooling, the cooled oil is circularly sent to a helium compressor, the mixed gas consisting of the residual oil vapor and the helium enters an oil-gas separator for separation, the separated oil is circularly sent to the helium compressor, the separated helium is converged into an adsorber for adsorption and purification, and finally the purified helium is sent to a refrigerator and the cycle is repeated.
The helium separated from the oil-gas separator usually contains trace oil vapor, so the trace oil vapor in the helium needs to be purified and removed by an adsorber, the existing adsorber is not good in effect because adsorption and purification are carried out by adsorbing materials such as a filter screen, and particularly, oil vapor impurities smaller than 0.1ppm are difficult to effectively remove, so that the purity of the discharged helium is not high enough, oil is gradually accumulated in a refrigerating machine, and the working performance of the oil vapor impurities is influenced.
In the prior patent, the patent number is 201220582930.9, the application date is 20121107, and discloses a vertical gas adsorber, the lower end of which is provided with a gas inlet and the upper end of which is provided with a gas outlet, an adsorbing material is filled between the gas outlet and the gas inlet, and the adsorbing material adopts the forms of felts and activated carbon which are arranged at intervals; the utility model discloses a gas adsorber can effectively get rid of a small amount of vapor in the gas, especially the effect is also better when vapor content is less than 0.1ppm, improved the purity of export gas, however, the interval sets up thinner wool felt between the adsorption material active carbon of this adsorber, has divided into the multilayer with the active carbon, the active carbon and the wool felt that have led to multilayer structure are inconvenient to be changed, and high-pressure gas strikes the thinner wool felt between the active carbon, easily lead to the wool felt to adsorb too much active carbon dust, influence the normal use of wool felt, thereby lead to the helium purity after the purification not high; meanwhile, the adsorber is not provided with a gas balance structure, so that the pipeline can be damaged due to overlarge pressure when purified compressed helium is output.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: to the problem that exists, the utility model provides a special helium purifier of helium compressor, this purifier are provided with multilayer adsorption material between air inlet and gas vent, including superfine glass cotton layer, activated carbon layer and wool felt layer, and set up the cavity in inlet end and exhaust end department, to traditional adsorber to the oil vapor impurity that content is very low among the solution prior art, if be close 0.1ppm in, be difficult to effectively adsorb the problem of getting rid of, the working property of refrigerator has been improved, and exhaust end helium purity can reach 99.999%.
The utility model adopts the technical scheme as follows:
the utility model discloses a special helium purification device of helium compressor, including the casing, the lower extreme lateral wall of casing is equipped with the air inlet, the upper end lateral wall of casing is equipped with the gas vent, establish to the cavity structure in the casing, be equipped with the adsorption material layer in the casing, the adsorption material layer includes superfine glass cotton layer, activated carbon layer and wool felt layer, superfine glass cotton layer sets up below the activated carbon layer, the wool felt layer sets up above the activated carbon layer; an oil collecting cavity is arranged between the bottom surface of the adsorption material layer and the bottom surface of the shell, and the air inlet is communicated with the oil collecting cavity; and a balance cavity is arranged between the top surface of the adsorption material layer and the top surface of the shell, and the exhaust port is communicated with the balance cavity.
In the structure, the adsorption material with the multilayer structure can absorb trace oil vapor systematically to ensure complete purification of the oil vapor, firstly, the diameter of the oil vapor in helium can be increased through the capillary action in superfine glass wool fibers of a superfine glass wool layer, so that the oil vapor is adsorbed and gathered into larger oil drops, and the oil drops are accumulated and fall into an oil collecting cavity; the activated carbon layer can further adsorb residual oil vapor, water and other impurities in the helium gas, so that the effect of effectively adsorbing and removing the oil vapor close to 0.1ppm is achieved; the wool felt layer can prevent active carbon powder from being brought out when helium is discharged, protect the active carbon layer and avoid the influence on a refrigerating machine, and under the structure, the active carbon layer can continuously work for 3 ten thousand hours, so that the cost is reduced, and the wool felt and the active carbon layer are easier to replace subsequently; the balance cavity is arranged above the adsorption material layer, plays a role in buffering and can balance the pressure of gas.
As preferred, the utility model discloses an activated carbon layer will be through dewatering processing, makes activated carbon layer itself contain no water to reach it and do not contain the hydrone completely in the use, avoid the helium to bring the hydrone into the refrigerator, thereby influence the long-term steady operation of refrigerator.
Further, the adsorption material layer still includes the orifice plate layer, the orifice plate layer includes orifice plate I and orifice plate II, orifice plate II sets up the top at the wool felt layer, orifice plate I sets up in superfine glass cotton layer below.
In the above-mentioned structure, the punch plate layer is preferably the metal punch plate layer for some bold impurity and oil drop are got rid of in the filtration, compress tightly superfine glass cotton layer, activated carbon layer and wool felt layer simultaneously, effectively protect superfine glass cotton layer and activated carbon layer, avoid the adsorbed material layer to receive helium impact influence to use, have practiced thrift cost of maintenance.
Furthermore, the thickness of the superfine glass wool layer is smaller than that of the activated carbon layer, and when oil vapor carried in helium passes through the superfine glass wool layer, the oil vapor can be gradually gathered into larger oil drops through superfine glass fibers, so that most of the oil vapor is blocked and removed, and the oil vapor is gradually accumulated and falls into the oil collecting cavity; the activated carbon layer can absorb trace oil vapor, oil drops and impurities in helium, and the thickness of the activated carbon layer is thicker than that of the superfine glass wool layer so as to ensure the sufficient absorption of the trace oil vapor.
Furthermore, the wool felt layer comprises 1-4 layers of wool felt, the wool felt layer is set to be 1-4 layers of wool felt, oil vapor remained in helium can be fully absorbed, meanwhile, helium can be effectively prevented from impacting activated carbon powder brought out, the influence on a refrigerating machine is avoided, and if the number of layers is too large, the helium can be influenced by too thick wool felt layer to be discharged.
Further, the air inlet is close to the bottom surface setting of orifice plate I, and the helium that is convenient for drips in the oil collecting cavity drops and accumulates, the gas vent is close to the top surface setting of orifice plate II, guarantees that the helium after the purification has sufficient space buffering, equilibrium pressure.
Furthermore, a high-pressure air inlet self-sealing joint is arranged at the air inlet, a high-pressure air outlet self-sealing joint is arranged at the air outlet, and a gas high-pressure protective relay is arranged on the high-pressure air inlet self-sealing joint and serves as a high-pressure protective device of the whole helium compressor unit.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the helium gas purifying device special for the helium gas compressor of the utility model can effectively remove most of the oil vapor brought from the oil-gas separator in the ultra-fine glass wool fiber; the activated carbon layer can adsorb a small amount of oil vapor, moisture and other impurities in helium, and the activated carbon layer is integrally arranged and is not layered, so that the oil vapor removal effect is ensured, and the replacement is convenient; the wool felt layer can effectively prevent helium from impacting the brought activated carbon powder, so that the influence on a refrigerating machine is avoided; and finally, the balance cavity can buffer gas and balance the gas pressure, so that the normal operation of the whole helium compressor system is ensured.
2. The utility model discloses a special helium purifier of helium compressor, through the collection oil chamber, orifice plate I, the cotton layer of superfine glass, the activated carbon layer, the felt, orifice plate II and setting gradually in balanced chamber, get rid of the vapor in the helium step by step, moisture content and other impurity, it is very good to get rid of the effect, especially to being close 0.1 ppm's vapor, the effect that can effectively adsorb and get rid of has improved the working property of refrigerator, and exhaust end helium purity can reach 99.999%.
3. The utility model discloses a special helium gas purification device of helium compressor, its simple structure, easy maintenance, purification efficiency is high, and long service life can be applied to the ambient condition that the helium pressure value is not less than 290PSI, and pressure bearing capacity is strong.
Drawings
Fig. 1 is a schematic structural view of the helium purifying device specially used for the helium compressor of the present invention.
The labels in the figure are: 1-air inlet, 2-orifice plate I, 3-superfine glass wool, 4-activated carbon, 5-wool felt, 6-orifice plate II, 7-air outlet and 8-shell.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1, the utility model discloses a special helium purifier of helium compressor, including air inlet 1, gas vent 7 and casing 8, be provided with the adsorption material layer between air inlet 1 and the gas vent 7, the adsorption material layer includes orifice plate I2, superfine glass wool 3, active carbon 4, wool felt 5 and orifice plate II 6 that set gradually from air inlet 1 to gas vent 7, and orifice plate I2 and orifice plate II 6 are preferred metal pore plate layer to can compress tightly superfine glass wool 3, active carbon 4 and wool felt 5; meanwhile, an oil collecting cavity is arranged between the bottom surface of the adsorption material layer and the bottom surface of the shell, and the air inlet 1 is communicated with the oil collecting cavity; and a balance cavity is arranged between the top surface of the adsorption material layer and the top surface of the shell, and the exhaust port 7 is communicated with the balance cavity.
In this embodiment, when the helium compressor works, after the oil-gas mixture sequentially undergoes cooling and oil-gas separation, the helium gas continuously enters the air inlet 1 of the purification device through the pipeline. The method comprises the steps that helium passes through an oil collecting cavity, then enters the superfine glass wool 3 through a pore plate I2 at the bottom, the helium passes through the superfine glass wool fiber, the diameter of oil vapor in gas under the action of capillary tubes is increased, the oil vapor is adsorbed and collected into oil drops, the oil drops into the oil collecting cavity through pores of the pore plate, then the helium reaches the activated carbon 4, the activated carbon adsorbs a small amount of oil vapor and other impurities such as moisture, then the activated carbon reaches a balance cavity through 1-4 layers of wool felt 5, preferably the wool felt 5 is arranged into two layers, the wool felt 5 can prevent the active carbon powder from being carried out, the active carbon layer can be protected, finally the helium reaches the balance cavity through a pore plate II 6, airflow is balanced in the processes of blocking and collision, the effect of buffering the helium is achieved, then the helium is connected with a refrigerating machine of a low-temperature pump through a corrugated pipe at an exhaust port 7, pure helium is stably provided for the refrigerating, the damping device has a damping effect, and avoids the damage to a pipeline caused by high-pressure gas conveying vibration.
In this embodiment, the thickness of the ultra-fine glass wool layer is less than the thickness of the activated carbon layer, so that the activated carbon layer can fully exert the function of adsorbing oil drops, oil vapor and impurities.
Example 2
Based on the above embodiment 1, the air inlet 1 of the present embodiment is disposed on the lower side wall of the housing 8, so as to prevent the helium from directly impacting the adsorption material layer to damage the adsorption material layer; the exhaust port 7 is arranged on the side wall of the upper part of the shell 8, so that the balance cavity can fully play a buffering role; air inlet 1 is close to the bottom surface setting of orifice plate I2, gas vent 7 is close to the top surface setting of orifice plate II 6 to be convenient for drop in the collection oil chamber and drop the collection, and air current balance in balanced chamber. Further, a high-pressure air inlet self-sealing joint is arranged at the air inlet 7, a high-pressure air outlet self-sealing joint is arranged at the air outlet 7, and a gas high-pressure protective relay is arranged on the high-pressure air inlet self-sealing joint and serves as a high-pressure protective device of the whole helium compressor unit.
The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to aid in understanding the methods and their core concepts. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (7)
1. The utility model provides a special helium gas purification device of helium compressor, includes casing (8), the lower extreme lateral wall of casing (8) is equipped with air inlet (1), the upper end lateral wall of casing (8) is equipped with gas vent (7), its characterized in that: the shell (8) is internally provided with a cavity structure, the shell (8) is internally provided with an adsorption material layer, the adsorption material layer comprises an ultrafine glass wool layer, an activated carbon layer and a wool felt layer, the ultrafine glass wool layer is arranged below the activated carbon layer, and the wool felt layer is arranged above the activated carbon layer; an oil collecting cavity is arranged between the bottom surface of the adsorption material layer and the bottom surface of the shell (8), and the air inlet (1) is communicated with the oil collecting cavity; and a balance cavity is arranged between the top surface of the adsorption material layer and the top surface of the shell, and the exhaust port (7) is communicated with the balance cavity.
2. The helium gas purification device special for the helium gas compressor as claimed in claim 1, wherein the adsorption material layer further comprises an orifice plate layer, the orifice plate layer comprises an orifice plate I (2) and an orifice plate II (6), the orifice plate II (6) is arranged above the wool felt layer, and the orifice plate I (2) is arranged below the ultra-fine glass wool layer.
3. The helium gas purification device special for the helium gas compressor as claimed in claim 1, wherein the thickness of the ultra fine glass wool layer is smaller than that of the activated carbon layer.
4. The helium gas purification device special for helium compressor as claimed in claim 1, wherein said wool felt layer comprises 1-4 layers of wool felt.
5. The helium gas purification device special for the helium gas compressor as claimed in claim 1 or 2, wherein the gas inlet (1) is arranged close to the bottom surface of the pore plate I (2), and the gas outlet (7) is arranged close to the top surface of the pore plate II (6).
6. The helium purifying device special for the helium compressor as claimed in claim 1, wherein a high pressure air inlet self-sealing joint is installed at the air inlet (1), and a high pressure air outlet self-sealing joint is installed at the air outlet (7).
7. The helium purifying device special for the helium compressor as claimed in claim 6, wherein a gas high-pressure protective relay is arranged on the high-pressure gas inlet self-sealing joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920379017.0U CN209865690U (en) | 2019-03-25 | 2019-03-25 | Special helium purification device for helium compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920379017.0U CN209865690U (en) | 2019-03-25 | 2019-03-25 | Special helium purification device for helium compressor |
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| Publication Number | Publication Date |
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| CN209865690U true CN209865690U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920379017.0U Expired - Fee Related CN209865690U (en) | 2019-03-25 | 2019-03-25 | Special helium purification device for helium compressor |
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| Country | Link |
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| CN (1) | CN209865690U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113797702A (en) * | 2021-09-28 | 2021-12-17 | 川易机电设备启东有限公司 | Helium deoiling active carbon adsorption jar inlet structure internals |
-
2019
- 2019-03-25 CN CN201920379017.0U patent/CN209865690U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113797702A (en) * | 2021-09-28 | 2021-12-17 | 川易机电设备启东有限公司 | Helium deoiling active carbon adsorption jar inlet structure internals |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210224 Address after: No.12, unit 1, building 5, No.2 Lidu Road, Wuhou District, Chengdu, Sichuan 610000 Patentee after: Zhong Min Address before: No. 502, building a, high tech entrepreneurship service center, No. 1 Keyuan 2nd Road, high tech Zone, Chengdu, Sichuan 610041 Patentee before: CHENGDU GOLDEN PLACE VACUUM TECHNICAL DEVELOPMENT Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 |