CN220405209U - Helium low-temperature adsorber - Google Patents
Helium low-temperature adsorber Download PDFInfo
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- CN220405209U CN220405209U CN202322130781.3U CN202322130781U CN220405209U CN 220405209 U CN220405209 U CN 220405209U CN 202322130781 U CN202322130781 U CN 202322130781U CN 220405209 U CN220405209 U CN 220405209U
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- 239000001307 helium Substances 0.000 title claims abstract description 46
- 229910052734 helium Inorganic materials 0.000 title claims abstract description 46
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 239000007789 gas Substances 0.000 claims abstract description 74
- 238000009413 insulation Methods 0.000 claims abstract description 35
- 239000006096 absorbing agent Substances 0.000 claims abstract description 22
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 239000003463 adsorbent Substances 0.000 claims abstract description 6
- 239000000945 filler Substances 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 60
- 239000007788 liquid Substances 0.000 claims description 37
- 229910052757 nitrogen Inorganic materials 0.000 claims description 30
- 229910000963 austenitic stainless steel Inorganic materials 0.000 claims description 6
- 239000010451 perlite Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 235000019362 perlite Nutrition 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 238000001179 sorption measurement Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 239000012535 impurity Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- 238000012856 packing Methods 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000013421 nuclear magnetic resonance imaging Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 239000002887 superconductor Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Separation By Low-Temperature Treatments (AREA)
Abstract
The utility model discloses a helium low-temperature adsorber, which relates to the technical field of helium adsorption devices and comprises an adsorber outer shell, wherein the adsorber outer shell is provided with a vacuumizing tube, a raw gas inlet pipe, a regenerated gas outlet pipe, a regenerated gas inlet pipe and a product gas outlet pipe; a heat exchange system and an absorber main body are fixed in the absorber shell, a cold insulation jacket is arranged on the outer wall of the absorber main body, and the absorber main body is internally filled with an adsorbent filler; the heat exchange system comprises an adsorber heat exchanger, a plurality of intermediate circulation heat exchangers and a feeding and discharging heat exchanger, wherein the adsorber heat exchanger is connected with the adsorber main body, the feeding and discharging heat exchanger is connected with a raw material gas inlet pipe and a product gas outlet pipe, and a plurality of intermediate circulation heat exchangers are connected between the adsorber heat exchanger and the feeding and discharging heat exchanger. The utility model improves the heat exchanger effect by arranging the cold insulation jacket on the outer wall of the absorber main body to ensure that the absorber main body has a cold insulation function and arranging a plurality of heat exchangers.
Description
Technical Field
The utility model relates to the technical field of helium gas adsorption devices, in particular to a helium gas low-temperature adsorber.
Background
Helium has a low boiling point of-268.9 ℃, liquid helium can be used for ultra-low temperature cooling, and helium is indispensable in superconductor applications which are of great interest in the field of suspension trains and the like. Helium can also be used as a rocket liquid fuel propellant for use in large quantities in missiles, spacecraft and supersonic aircraft. Helium is widely used in respiratory mixed gas in the field of ocean development and in the application of superconducting magnet cooling of nuclear magnetic resonance imaging equipment in the medical field.
The existing helium absorber is shown as a device for purifying helium at low temperature disclosed in the patent number CN217083415U, and comprises a vacuum heat insulation container, wherein a three-channel heat exchanger, a two-channel heat exchanger and a low-temperature absorber are sequentially connected in the vacuum heat insulation container, a liquid nitrogen pipeline is connected to the three-channel heat exchanger, and a liquid helium storage tank is connected to an air inlet pipeline between the two-channel heat exchanger and the low-temperature absorber; by adopting the device with the structure, after the crude helium gas exchanges heat with liquid nitrogen and refined helium gas in a countercurrent way in the three-channel heat exchanger, the crude helium gas enters the two-channel heat exchanger and the refined helium gas for further heat exchange, and then enters the low-temperature adsorber for adsorption and removal of impurities to obtain low-temperature refined helium gas, the refined helium gas sequentially enters the two-channel heat exchanger and the three-channel heat exchanger through the return pipe for heat exchange with the crude helium gas and then is recovered, the purification efficiency is high, and the energy consumption is reduced and the cost is reduced by using the refined helium gas as a cold source.
However, the heat exchanger only depends on two heat exchangers, namely a three-channel heat exchanger and a two-channel heat exchanger, so that the heat exchanger effect is poor; and the low-temperature absorber does not disclose any heat preservation effect, so that the low-temperature state is difficult to maintain along with the continuous entering of helium.
Accordingly, there is a need in the art for a helium cryogenic adsorber that addresses the above-described issues.
Disclosure of Invention
The utility model aims to provide a helium low-temperature adsorber, which is used for solving the technical problems in the prior art, and a cold insulation jacket is arranged on the outer side of an adsorber main body, so that the inner part of the adsorber main body is always in a low-temperature state, and in addition, a plurality of heat exchangers are arranged in a heat exchange system, so that the heat exchange effect can be effectively improved.
In order to achieve the above object, the present utility model provides the following solutions:
the utility model discloses a helium low-temperature adsorber, which comprises an adsorber outer shell, wherein the adsorber outer shell is provided with a vacuumizing tube, a raw gas inlet pipe, a regenerated gas outlet pipe, a regenerated gas inlet pipe and a product gas outlet pipe;
the heat exchange system is arranged on the outer side of the absorber main body, a cold insulation jacket is arranged on the outer wall of the absorber main body and used for filling cold insulation medium, and the absorber main body is internally filled with adsorbent filler;
the heat exchange system comprises an adsorber heat exchanger, a plurality of intermediate circulation heat exchangers and a feed and discharge heat exchanger, wherein one end of a feed gas inlet pipe is connected with a tube side inlet of the feed and discharge heat exchanger, a tube side outlet of the feed and discharge heat exchanger is connected with a tube side inlet of the intermediate circulation heat exchanger connected with the tube side outlet, a tube side outlet of the intermediate circulation heat exchanger is connected with a tube side inlet of the intermediate circulation heat exchanger connected with the tube side outlet of the intermediate circulation heat exchanger, a feed inlet of an adsorber main body is communicated with a tube side outlet of the intermediate circulation heat exchanger connected with the feed inlet through a regenerated gas outlet pipe, a discharge outlet of the adsorber main body is communicated with a tube side inlet of the intermediate circulation heat exchanger connected with the discharge outlet through a regenerated gas inlet pipe, a tube side outlet of the intermediate circulation heat exchanger is connected with a tube side inlet of the intermediate circulation heat exchanger connected with the shell side outlet of the intermediate circulation heat exchanger, and the shell side outlet of the intermediate circulation heat exchanger connected with the shell side outlet is connected with the shell side outlet of the intermediate circulation heat exchanger.
Preferably, the intermediate circulation heat exchanger is provided with six.
Preferably, the adsorber main body comprises an upper end socket, a middle cylinder body and a lower end socket which are sequentially connected from top to bottom, and the cold insulation jacket is arranged on the outer side of the middle cylinder body.
Preferably, two thermocouple detection ports are arranged at the upper end of the adsorber outer shell.
Preferably, a support is arranged at the bottom of the adsorber outer shell;
two lifting lugs are arranged on the outer wall of the adsorber outer shell.
Preferably, a plurality of ear plates are fixed on the outer wall of the adsorber main body, and the adsorber heat exchanger, the intermediate circulation heat exchanger and the feeding and discharging heat exchanger are respectively fixed on one ear plate.
Preferably, the upper end of the adsorber body is fixed to the inner upper end of the adsorber outer casing by an upper support;
the lower end of the adsorber body is secured to the inner lower end of the adsorber housing body by a lower support.
Preferably, the cold insulation medium is liquid nitrogen;
and the cold insulation jacket is provided with a liquid nitrogen inlet, a liquid nitrogen outlet and a liquid level sensor.
Preferably, the interior of the adsorber outer shell is filled with perlite powder.
Preferably, the adsorber body and the adsorber outer housing are both made of austenitic stainless steel.
Compared with the prior art, the utility model has the following technical effects:
the cold insulation jacket outside the adsorber main body of the utility model, and the cold insulation medium in the cold insulation jacket is liquid nitrogen, and the adoption of the liquid nitrogen medium-pressure deep-cooling full-inclusion cold screen structure can ensure the requirements of the deep-cooling heat insulation working condition of the adsorber main body space at minus 196 ℃. And the heat exchange system comprises an adsorber heat exchanger, a plurality of intermediate circulation heat exchangers and a feeding and discharging heat exchanger, so that the heat exchange effect can be effectively improved. And the heat exchange system has reasonable function and structural layout, the whole integration level of the equipment system is high, and the purity index of the helium gas purified by adsorption is high.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in 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 utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of a helium cryogenic adsorber of an embodiment of the utility model;
FIG. 2 is a diagram illustrating a distribution of heat exchange systems in a helium cryogenic adsorber according to an embodiment of the utility model;
FIG. 3 is a graph showing the connection relationship between the heat exchange system and the low temperature helium adsorber according to the embodiment of the utility model;
in the figure: 1-vacuumizing a tube; 2-supporting seats; 3-adsorber outer shell; 4-a heat exchange system; 401-adsorber heat exchanger; 402-an intermediate circulation heat exchanger; 403-a feeding and discharging heat exchanger; 5-ear plates; 6-perlite powder; 7-lifting lugs; 8-a product gas outlet pipe; 9-a feed gas inlet pipe; 10-upper support; 11-a regeneration gas outlet pipe; 12-a pressure relief port; 13-adsorber body; 14-a lower support; 15-regeneration gas inlet pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide a helium low-temperature adsorber, which is used for solving the technical problems in the prior art, and a cold insulation jacket is arranged on the outer side of an adsorber main body, so that the inner part of the adsorber main body is always in a low-temperature state, and in addition, a plurality of heat exchangers are arranged in a heat exchange system, so that the heat exchange effect can be effectively improved.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1 to 3, the embodiment provides a helium cryogenic absorber, which comprises an absorber outer shell 3, wherein a vacuumizing tube 1, a raw gas inlet pipe 9, a regeneration gas outlet pipe 11, a regeneration gas inlet pipe 15 and a product gas outlet pipe 8 are arranged on the absorber outer shell 3. Wherein, the evacuating tube 1 is located at the bottom of the adsorber outer shell 3, one end of the evacuating tube 1 is located inside the adsorber outer shell 3, the other end is located outside the adsorber outer shell 3, and the outer end thereof can be connected with a vacuum pump, so as to evacuate the inside of the adsorber outer shell 3 to a vacuum state, thereby improving the heat insulation effect. The feed gas inlet pipe 9 is located at the upper end of the adsorber housing body 3, the upper end of the feed gas inlet pipe 9 is located at the upper outer side of the adsorber housing body 3, and the lower end of the feed gas inlet pipe 9 is located inside the adsorber housing body 3. The product gas outlet pipe 8 is located at the upper end of the adsorber housing body 3, the upper end of the product gas outlet pipe 8 is located at the upper outer side of the adsorber housing body 3, and the lower end of the product gas outlet pipe 8 is located inside the adsorber housing body 3. The regenerated gas outlet pipe 11 is a three-way pipe, the regenerated gas outlet pipe 11 is arranged at the upper end of the adsorber outer shell body 3, the first port of the regenerated gas outlet pipe 11 is positioned at the outer side of the upper end of the adsorber outer shell body 3, the second port of the regenerated gas outlet pipe 11 is communicated with the upper end feeding port of the adsorber main body 13, and the third port of the regenerated gas outlet pipe 11 is communicated with the tube side outlet of the adsorber heat exchanger 401. The regenerated gas inlet pipe 15 is a three-way pipe, the regenerated gas inlet pipe 15 is arranged at the lower end of the adsorber outer shell 3, the first port of the regenerated gas inlet pipe 15 is positioned at the outer side of the lower end of the adsorber outer shell 3, the second port of the regenerated gas inlet pipe 15 is communicated with the lower end discharge port of the adsorber main body 13, and the third port of the regenerated gas outlet pipe 11 is communicated with the shell side inlet of the adsorber heat exchanger 401. In addition, the top of the adsorber housing body 3 is also provided with a pressure relief opening 12 for pressure relief.
The adsorber shell body 3 is internally fixed with a heat exchange system 4 and an adsorber main body 13, the heat exchange system 4 is arranged on the outer side of the adsorber main body 13, a cold insulation jacket is arranged on the outer wall of the adsorber main body 13 and is used for filling cold insulation medium, and the cold insulation medium is liquid nitrogen. The interior of the adsorber body 13 is filled with an adsorbent packing, which may be selected from existing ceramic ring packing, including but not limited to ceramic packing.
The heat exchange system 4 comprises an adsorber heat exchanger 401, a plurality of intermediate circulation heat exchangers 402 and a feed and discharge heat exchanger 403, wherein the adsorber heat exchanger 401, the intermediate circulation heat exchangers 402 and the feed and discharge heat exchanger 403 are all existing fixed tube plate heat exchangers, one end of a raw material gas inlet tube 9 is connected with a tube side inlet of the feed and discharge heat exchanger 403, the other end of the raw material gas inlet tube 9 is used for introducing raw material gas, a tube side outlet of the feed and discharge heat exchanger 403 is connected with a tube side inlet of the intermediate circulation heat exchanger 402 connected with the same, a tube side outlet of the intermediate circulation heat exchanger 402 is connected with a tube side inlet of the intermediate circulation heat exchanger 402 connected with the same, a feed inlet of an adsorber main body 13 is connected with a tube side outlet of the intermediate circulation heat exchanger 402 connected with the same through a regenerated gas outlet tube 11, a shell side inlet of the intermediate circulation heat exchanger 402 connected with the same is connected with a shell side inlet of the same through a regenerated gas inlet tube 15, a shell side outlet of the intermediate circulation heat exchanger 402 is connected with a shell side outlet of the same, and a product inlet of the intermediate circulation heat exchanger 403 connected with a shell side of the same is connected with a shell side outlet of the same, and a product outlet of the intermediate circulation heat exchanger 8 is connected with a shell side outlet of the intermediate circulation heat exchanger 402. In addition, the outside end of each pipe fitting can be connected with a drain pipe, and a filter screen is arranged in the drain pipe and is used for filtering impurities.
When in actual work, the vacuum pumping pipe is utilized to vacuumize the interior of the adsorber outer shell body 3 to the vacuum degree below 3Pa, the adsorbent filler is filled in the adsorber main body 13, the liquid nitrogen is filled in the cold insulation jacket space of the adsorber main body 13 for cold insulation, and the requirements of the cryogenic insulation working condition of the inner space of the adsorber main body 13 at the temperature of minus 196 ℃ are met. Raw gas flows into the feeding and discharging heat exchanger 403 through the raw gas inlet pipe 9 and the tube side inlet of the feeding and discharging heat exchanger 403, finally enters the tube side of the adsorber heat exchanger 401 through the tube side of the feeding and discharging heat exchanger 403 and the tube side of the plurality of intermediate circulating heat exchangers 402, finally flows into the adsorber main body 13 through the regenerated gas outlet pipe 11 through the adsorber heat exchanger 401, in the process, raw gas mixed with nitrogen, hydrogen and oxygen impurities gradually passes through the tube side of the heat exchange system 4 to perform a heat exchange process, the gas temperature is reduced from-150 ℃ to-30 ℃ to-196 ℃, so that some impurity gases (such as nitrogen, hydrogen and oxygen) in the raw gas are completely liquefied, and impurities and dirt in the gas are removed through the adsorbent filler adsorption of the inner space of the adsorber main body 13. The filtered regenerated gas flows into the shell pass of the adsorber heat exchanger 401 through the regenerated gas inlet pipe 15, then passes through the shell passes of the plurality of intermediate circulation heat exchangers 402 and the shell passes of the feeding and discharging heat exchangers 403, and finally flows out of the final product gas from the shell pass outlet of the feeding and discharging heat exchangers 403, and in the process, the regenerated gas passes through the heat exchange function of the heat exchange system 4 again, so that the temperature of helium medium subjected to the adsorption purification is within the range of-190-0 ℃, and the storage of the final gas cylinder is facilitated.
In this embodiment, the number of intermediate circulation heat exchangers 402 is six, and the adsorber heat exchangers 401 and the feeding and discharging heat exchangers 403 are added, so that the heat exchange system 4 includes eight fixed tube-plate heat exchangers in total, and the heat exchange effect can be effectively improved. Of course, those skilled in the art can also adjust the specific number of the intermediate circulation heat exchangers 402 according to actual needs, and more than six or less than six intermediate circulation heat exchangers can be flexibly adjusted according to actual situations.
In this embodiment, the adsorber main body 13 includes an upper end enclosure, a middle cylinder, and a lower end enclosure, which are sequentially connected from top to bottom, and a cold insulation jacket is disposed outside the middle cylinder. And the junction of upper end enclosure and middle barrel, the junction of lower head and middle barrel are equipped with a fixed plate respectively, are equipped with a plurality of distribution holes on the fixed plate, are convenient for the distribution and the fixed of each pipe fitting.
In this embodiment, the upper end (specifically, the upper end head) of the adsorber outer casing 3 is provided with two thermocouple detecting ports, and the thermocouple detecting ports can be used for installing thermocouples so as to detect the internal temperature of the adsorber outer casing 3.
In this embodiment, the bottom of the adsorber housing body 3 is provided with a support 2 for supporting the entire adsorber housing body 3 so as to be stationary on the ground.
Two lifting lugs 7 are arranged on the outer wall of the adsorber outer shell body 3, so that the whole adsorber outer shell body 3 is convenient to lift.
In this embodiment, a plurality of ear plates 5 are fixed on the outer wall of the adsorber main body 13, and the adsorber heat exchanger 401, the intermediate circulation heat exchanger 402, and the feed/discharge heat exchanger 403 are welded and fixed on one ear plate 5.
In the present embodiment, the upper end of the adsorber body 13 is welded and fixed to the inner upper end of the adsorber housing body 3 by the upper support 10;
the lower end of the adsorber body 13 is welded to the inner lower end of the adsorber housing body 3 by a lower support 14.
By means of the upper support 10 and the lower support 14, an effective fixation of the adsorber body 13 in the adsorber housing body 3 can be achieved.
In this embodiment, the cold insulation medium is liquid nitrogen.
The cold-keeping jacket is provided with a liquid nitrogen inlet, a liquid nitrogen outlet, a liquid nitrogen overflow port and a liquid level sensor. Since a portion of the liquid nitrogen in the cold-keeping jacket is warmed up and evaporated during use of the adsorber body 13, the liquid nitrogen in the cold-keeping jacket gradually decreases over time, so that the liquid nitrogen can be timely added into the cold-keeping jacket through the liquid nitrogen inlet. The liquid level sensors can be arranged in a plurality, so that the liquid level height of liquid nitrogen in the cold insulation jacket can be accurately known in real time.
The function of the liquid nitrogen outlet is to pour out the liquid nitrogen in the cold jacket when the adsorber body 13 is not in use. The liquid nitrogen overflow port is arranged, when excessive liquid nitrogen is poured into the cold insulation jacket, the liquid nitrogen flows out from the liquid nitrogen overflow port, so that the prompt function is realized.
Further, a controller can be additionally arranged, the controller can be a background control room, and the liquid level sensor can transmit data to the background control room in real time, so that the remote monitoring of staff is facilitated.
In the present embodiment, the inside of the adsorber outer case 3 is filled with perlite powder 6, thereby functioning as heat insulation and cold insulation between the respective devices.
In this embodiment, the adsorber body 13 and the adsorber housing body 3 are made of austenitic stainless steel, specifically, the adsorber body 13 is made of S3008 austenitic stainless steel having excellent low temperature performance, and the adsorber housing body 3 is made of S30508 austenitic stainless steel having excellent low temperature performance.
By virtue of the size and the material, the design pressure in the absorber main body 13 is 22MPa, the working pressure is 20MPa, the design temperature is-196 ℃, the working temperature is-196 ℃, and the medium is mainly helium. The design pressure of the cold insulation jacket is 1.76MPa, the working pressure is 1.6MPa, the design temperature is-196 ℃, the working temperature is-96 ℃, and the medium is liquid nitrogen.
In addition, the adsorber heat exchanger 401, the intermediate circulation heat exchanger 402 and the feed/discharge heat exchanger 403 are all made of S3008 austenitic stainless steel with excellent low-temperature performance. The structural form is a fixed tube-plate heat exchanger, the tube side design pressure is 22MPa, the working pressure is 20MPa, the design temperature is-150 ℃, the working temperature is-150-30 ℃, and the medium is helium; the design pressure of the shell side is 22MPa, the working pressure is 20MPa, the design temperature is-190-0 ℃, the working temperature is-190-0 ℃, and the medium is helium.
The principles and embodiments of the present utility model have been described in this specification with reference to specific examples, the description of which is only for the purpose of aiding in understanding the method of the present utility model and its core ideas; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (10)
1. A helium cryogenic adsorber, comprising: the device comprises an adsorber outer shell, wherein the adsorber outer shell is provided with a vacuumizing tube, a raw material gas inlet pipe, a regenerated gas outlet pipe, a regenerated gas inlet pipe and a product gas outlet pipe;
the heat exchange system is arranged on the outer side of the absorber main body, a cold insulation jacket is arranged on the outer wall of the absorber main body and used for filling cold insulation medium, and the absorber main body is internally filled with adsorbent filler;
the heat exchange system comprises an adsorber heat exchanger, a plurality of intermediate circulation heat exchangers and a feed and discharge heat exchanger, wherein one end of a feed gas inlet pipe is connected with a tube side inlet of the feed and discharge heat exchanger, a tube side outlet of the feed and discharge heat exchanger is connected with a tube side inlet of the intermediate circulation heat exchanger connected with the tube side outlet, a tube side outlet of the intermediate circulation heat exchanger is connected with a tube side inlet of the intermediate circulation heat exchanger connected with the tube side outlet of the intermediate circulation heat exchanger, a feed inlet of an adsorber main body is communicated with a tube side outlet of the intermediate circulation heat exchanger connected with the feed inlet through a regenerated gas outlet pipe, a discharge outlet of the adsorber main body is communicated with a tube side inlet of the intermediate circulation heat exchanger connected with the discharge outlet through a regenerated gas inlet pipe, a tube side outlet of the intermediate circulation heat exchanger is connected with a tube side inlet of the intermediate circulation heat exchanger connected with the shell side outlet of the intermediate circulation heat exchanger, and the shell side outlet of the intermediate circulation heat exchanger connected with the shell side outlet is connected with the shell side outlet of the intermediate circulation heat exchanger.
2. The helium cryogenic adsorber of claim 1 wherein: six intermediate circulation heat exchangers are arranged.
3. The helium cryogenic adsorber of claim 1 wherein: the adsorber main body comprises an upper end socket, a middle cylinder body and a lower end socket which are sequentially connected from top to bottom, and the cold insulation jacket is arranged on the outer side of the middle cylinder body.
4. The helium cryogenic adsorber of claim 1 wherein: the upper end of the adsorber outer shell is provided with two thermocouple detection ports.
5. The helium cryogenic adsorber of claim 1 wherein: the bottom of the adsorber outer shell is provided with a support;
two lifting lugs are arranged on the outer wall of the adsorber outer shell.
6. The helium cryogenic adsorber of claim 1 wherein: a plurality of lug plates are fixed on the outer wall of the adsorber main body, and the adsorber heat exchanger, the intermediate circulation heat exchanger and the feeding and discharging heat exchanger are respectively fixed on one lug plate.
7. The helium cryogenic adsorber of claim 1 wherein: the upper end of the absorber main body is fixed at the inner upper end of the absorber outer shell through an upper support;
the lower end of the adsorber body is secured to the inner lower end of the adsorber housing body by a lower support.
8. The helium cryogenic adsorber of claim 1 wherein: the cold insulation medium is liquid nitrogen;
and the cold insulation jacket is provided with a liquid nitrogen inlet, a liquid nitrogen outlet and a liquid level sensor.
9. The helium cryogenic adsorber of claim 1 wherein: the interior of the adsorber outer shell is filled with perlite powder.
10. The helium cryogenic adsorber of claim 1 wherein: the adsorber main body and the adsorber outer shell are made of austenitic stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322130781.3U CN220405209U (en) | 2023-08-08 | 2023-08-08 | Helium low-temperature adsorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322130781.3U CN220405209U (en) | 2023-08-08 | 2023-08-08 | Helium low-temperature adsorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220405209U true CN220405209U (en) | 2024-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322130781.3U Active CN220405209U (en) | 2023-08-08 | 2023-08-08 | Helium low-temperature adsorber |
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| Country | Link |
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| CN (1) | CN220405209U (en) |
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- 2023-08-08 CN CN202322130781.3U patent/CN220405209U/en active Active
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