CN203556265U - Rare gas drying and recycling system - Google Patents
Rare gas drying and recycling system Download PDFInfo
- Publication number
- CN203556265U CN203556265U CN201320646537.6U CN201320646537U CN203556265U CN 203556265 U CN203556265 U CN 203556265U CN 201320646537 U CN201320646537 U CN 201320646537U CN 203556265 U CN203556265 U CN 203556265U
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- China
- Prior art keywords
- gas
- absorption type
- separator
- type dryer
- cooler
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- Expired - Lifetime
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- 238000001035 drying Methods 0.000 title abstract description 7
- 238000004064 recycling Methods 0.000 title abstract description 7
- 238000001179 sorption measurement Methods 0.000 claims abstract description 12
- 230000008929 regeneration Effects 0.000 claims abstract description 7
- 238000011069 regeneration method Methods 0.000 claims abstract description 7
- 238000010521 absorption reaction Methods 0.000 claims description 29
- 230000003139 buffering effect Effects 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 64
- 238000001514 detection method Methods 0.000 description 21
- 239000001307 helium Substances 0.000 description 17
- 229910052734 helium Inorganic materials 0.000 description 17
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 17
- 230000000694 effects Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000001819 mass spectrum Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Drying Of Gases (AREA)
Abstract
The utility model discloses a rare gas drying and recycling system. The rare gas drying and recycling system comprises a cooler, a separator and an adsorption type drier, wherein a gas inlet of the cooler is connected with a gas source; a gas outlet of the cooler is connected with a gas inlet of the separator; a gas outlet of the separator is connected with a gas inlet of the adsorption type drier; the adsorption type drier comprises at least two adsorption tanks; when one of the adsorption tanks is used for adsorbing, the other adsorption tank is used for regeneration; a regeneration gas outlet of the adsorption type drier is connected with the gas source; a purified gas outlet of the adsorption type drier is connected with a gas inlet of gas equipment; a gas outlet of the gas equipment is connected with the gas source. With the adoption of the rare gas drying and recycling system provided by the utility model, rare gas is dried by using the adsorption type drier in a recycling process; water generated in the drying process is separated through the heavy separator and is discharged from the system. The technical problem that the water induced when the rare gas is used in prior art cannot be discharged from the system can be solved.
Description
Technical field
The utility model relates to a kind of gas dried recovered system, is specifically related to a kind of system for helium or other rare gas dried recovered.
Technical background
In large-scale production, often can hunt leak to some equipment.Helium is because of its molecular weight and the coefficient of viscosity is little, easily by small opening, easily diffusion, the feature of etching apparatus is not often used as probe gas.As the leak detection of refrigerator, air-conditioning.While utilizing helium mass spectrum leak detection, the purity requirement of helium is not less than 75-99%, and gas water dew point is not higher than-60 ℃.
In leak detection process, have the impurity such as air, moisture and sneak in helium, cause purity reduction, the water dew point of helium to raise.
As shown in Figure 1, source of the gas directly enters leak detection chamber by supercharger to existing leak detection system after surge tank, from leak detection chamber effluent air, by vavuum pump, is connected with surge tank.The drying device that lacks helium in whole system, in use, air moisture content is sneaked in source of the gas, and these materials cannot be got rid of, cause purity reduction, the dew point of helium to raise, when helium dew point is higher than-60 ℃, purity is lower than 75% time, and helium does not meet leak detection requirement.
For the processing mode that does not meet the gas of leak detection requirement, have two kinds, a kind of is to discharge as waste gas, and the recycling rate of waterused of helium is very low, this has not only polluted atmospheric environment, also waste resource, increased the production cost of product (as air-conditioning, refrigerator etc.), improved the price of product; And because helium is rare gas, enter in atmosphere and also cannot reclaim again, the helium using is at present to extract from natural gas, because helium content in natural gas is extremely low, only, for some thousandths of is to a few percent, leaching process also will expend mass energy.
Also have some companies, to not meeting the gas of leak detection requirement, collect, carry out purifying again and dewater after collection, this mode equipment investment is large, efficiency is low, income is little.
Summary of the invention
The technical problem that cannot remove from system for solving moisture content that existing rare gas in use introduces, the utility model provides a kind of rare gas dried recovered system.
Technical solution of the present utility model is as follows:
A rare gas dried recovered system, is characterized in that: comprise cooler 4, separator 5, absorption type dryer 8,
The air inlet of described cooler 4 is connected with source of the gas, and the gas outlet of described cooler 4 is connected with the air inlet of separator 5, and the gas outlet of described separator 5 is connected with the air inlet of absorption type dryer 8,
Described absorption type dryer 8 comprises at least two adsorption tanks, and when one of them adsorbs, another is regenerated; The regeneration gas outlet of absorption type dryer 8 is connected with source of the gas, and the purified gas outlet of absorption type dryer is connected with the air inlet of gas equipment 11, and the gas vent of gas equipment 11 is connected with source of the gas.
Said system also comprises oil removal filter 7, and described separator 5 is connected with absorption type dryer 8 by oil removal filter 7.
Said system also comprises fore filter 6, and described separator 5 is connected with oil removal filter 7 by fore filter 6.
Said system also comprises supercharger 3 and buffering air accumulator 10, and source of the gas is connected with cooler 4 by supercharger 3, and absorption type dryer 8 is connected with gas equipment 11 by buffering air accumulator 10.
Also comprise dust filter unit 9, described dust filter unit 9 is connected with gas equipment 11 by absorption type dryer 8.
The beneficial effects of the utility model are:
1, the utility model, the recycling in process of rare gas, utilizes absorption type dryer dry gas, and the moisture content producing in dry run is isolated and excluded system through heavy separator.Solved the technical problem that moisture content that existing rare gas in use introduces cannot remove from system.
2, the utility model is a kind of online cyclic drying recovery system, in the use procedure of rare gas, gas is dried to purification, have the advantages that equipment investment is few, first the utility model relies on the equipment such as surge tank in existing gas equipment, supercharger to carry out dried recovered, has reduced the input of new equipment; Secondly, adopt this mode of online circulation to carry out to gas the process that dried recovered is a kind of dynamic purification, with gas is put together carry out again dried recovered compare equipment volume little, require low, efficiency is high.
3, by employing the utility model, can make the helium that enters leak detection chamber all the time in low dew point; the reliability that has improved helium mass spectrum leak detection system, has reduced toxic emission, has avoided the helium wasting of resources; environment protection has reduced the production cost of product simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of device of existing leak detection system;
Fig. 2 is for adopting leak detection system schematic diagram of device of the present utility model;
Reference numeral is wherein: 1-gas cylinder group, 2-low pressure buffer tank, 3-supercharger, 4-cooler, 5-separator, 6-fore filter, 7-oil removal filter, 8-absorption type dryer, 9-dust filter unit, 10-buffering air accumulator, 11-gas equipment, 12-vavuum pump.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated.
Figure 2 shows that and adopt leak detection system schematic diagram of the present utility model, comprise gas cylinder group 1, low pressure buffer tank 2, cooler 4, separator 5, absorption type dryer 8, the air inlet of cooler 4 is connected with low pressure buffer tank 2 by pipeline, the gas outlet of cooler 4 is connected with the air inlet of separator 5, the gas outlet of separator 5 is connected with the air inlet of absorption type dryer 8, absorption type dryer 8 comprises two adsorption tanks, and when one of them adsorbs, another is regenerated; The regeneration gas outlet of absorption type dryer 8 is connected with low pressure buffer tank 2, and the purified gas outlet of absorption type dryer is connected with the air inlet of leak detection chamber, and the gas vent of leak detection chamber is connected with low pressure buffer tank 2.
In the utility model, in order to make the gas that enters leak detection chamber meet certain pressure requirement, and between surge tank and cooler, increased supercharger, because supercharger is generally piston type supercharger, air-flow is not steady, therefore before leak detection chamber, has increased buffering air accumulator, to play mild air-flow, gas storage, the effect of voltage stabilizing, the middle supercharger of pressing is also for removing of moisture in follow-up gas treating process created advantage in addition.
The effect of the separator in the utility model is to carry the gas of coming to carry out gas-liquid separation to cooler, and the bulky globule is deviate from from gas, and the gas of deviating from is by sewage draining exit removal system.
In order to prevent that oily matter from impacting absorption type dryer, and added oil removal filter between absorption type dryer and separator.In order to alleviate the burden of oil removal filter, and before oil removal filter, increased fore filter.The effect of fore filter is to remove the moisture content of small volume in gas and oil droplet, and the effect of oil removal filter is to remove water smoke and the mist of oil that in gas, volume is less.
In order to remove gas, reclaim the dust of introducing in purge process, the utility model has increased dust filter unit between absorption type dryer and leak detection chamber air inlet, further improves the purity of gas.
Principle of the present utility model is: from gas cylinder group 1 gas out, through low pressure buffer tank 2 bufferings, enter supercharger 3, it is cooling that gas after supercharging enters cooler 4, in cooled gas, part moisture content condenses, after separator 5, the large volume moisture content condensing is deviate from from gas, from separator 5 gas out, still contain the greasy dirt of introducing in some not removed small size moisture content and preorder processing procedure, these moisture content and greasy dirt are again through fore filter 6 and oil removal filter 7 and further remove, through absorption type dryer 8, further dewater again, the water that absorption type dryer 8 is removed is mixed in regeneration gas and by regeneration gas outlet, by pipeline, enters low pressure buffer tank 2 and circulate, from absorption type dryer dry gas out, after dust filter unit 9, enter buffering air accumulator 10, from buffering air accumulator 10 gas out, as probe gas, enter leak detection chamber, from leak detection chamber gas out, through vavuum pump 12, entering low pressure buffer tank 2 circulates.
Claims (5)
1. a rare gas dried recovered system, is characterized in that: comprise cooler (4), separator (5), absorption type dryer (8),
The air inlet of described cooler (4) is connected with source of the gas, and the gas outlet of described cooler (4) is connected with the air inlet of separator (5), and the gas outlet of described separator (5) is connected with the air inlet of absorption type dryer (8),
Described absorption type dryer (8) comprises at least two adsorption tanks, and when one of them adsorbs, another is regenerated; The regeneration gas outlet of absorption type dryer (8) is connected with source of the gas, and the purified gas outlet of absorption type dryer is connected with the air inlet of gas equipment (11), and the gas vent of gas equipment (11) is connected with source of the gas.
2. rare gas dried recovered system according to claim 1, is characterized in that: described system also comprises oil removal filter (7), and described separator (5) is connected with absorption type dryer (8) by oil removal filter (7).
3. rare gas dried recovered system according to claim 2, is characterized in that: described system also comprises fore filter (6), and described separator (5) is connected with oil removal filter (7) by fore filter (6).
4. according to the rare gas dried recovered system described in claim 1 or 2 or 3, it is characterized in that: described system also comprises supercharger (3) and buffering air accumulator (10), source of the gas is connected with cooler (4) by supercharger (3), and absorption type dryer (8) is connected with gas equipment (11) by buffering air accumulator (10).
5. rare gas dried recovered system according to claim 4, is characterized in that: also comprise dust filter unit (9), described dust filter unit (9) is connected with gas equipment (11) by absorption type dryer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320646537.6U CN203556265U (en) | 2013-10-18 | 2013-10-18 | Rare gas drying and recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320646537.6U CN203556265U (en) | 2013-10-18 | 2013-10-18 | Rare gas drying and recycling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203556265U true CN203556265U (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320646537.6U Expired - Lifetime CN203556265U (en) | 2013-10-18 | 2013-10-18 | Rare gas drying and recycling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203556265U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521042A (en) * | 2013-10-18 | 2014-01-22 | 西安联合超滤净化设备有限公司 | Rare gas drying and recycling system |
| CN109516216A (en) * | 2018-12-24 | 2019-03-26 | 北方奥钛纳米技术有限公司 | Conveying device and transportation system |
| CN114229810A (en) * | 2021-12-15 | 2022-03-25 | 华能核能技术研究院有限公司 | Helium purification system and method for high-temperature gas-cooled reactor internals thermal aging test |
-
2013
- 2013-10-18 CN CN201320646537.6U patent/CN203556265U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521042A (en) * | 2013-10-18 | 2014-01-22 | 西安联合超滤净化设备有限公司 | Rare gas drying and recycling system |
| CN109516216A (en) * | 2018-12-24 | 2019-03-26 | 北方奥钛纳米技术有限公司 | Conveying device and transportation system |
| CN114229810A (en) * | 2021-12-15 | 2022-03-25 | 华能核能技术研究院有限公司 | Helium purification system and method for high-temperature gas-cooled reactor internals thermal aging test |
| CN114229810B (en) * | 2021-12-15 | 2023-11-03 | 华能核能技术研究院有限公司 | Helium purification system and method for thermal aging test of high-temperature gas cooled reactor internals |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |
|
| CX01 | Expiry of patent term |