CN203874647U - Membrane-method helium purifying device system - Google Patents
Membrane-method helium purifying device system Download PDFInfo
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- CN203874647U CN203874647U CN201420265878.3U CN201420265878U CN203874647U CN 203874647 U CN203874647 U CN 203874647U CN 201420265878 U CN201420265878 U CN 201420265878U CN 203874647 U CN203874647 U CN 203874647U
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Abstract
The utility model relates to a membrane-method helium purifying device system. The membrane-method helium purifying device system is characterized by comprising a mixed helium cabinet, a first preprocessor, a first hollow fibrous membrane, a second preprocessor, a second hollow fibrous membrane and a helium storage tank, wherein a gas outlet of the mixed helium cabinet is connected with an inlet of the first preprocessor, and an outlet of the first preprocessor is connected with an inlet of the first hollow fibrous membrane; an impermeable gas outlet of the first hollow fibrous membrane is connected with a waste gas recycling device or communicated with the atmosphere; a permeable gas outlet of the first hollow fibrous membrane is connected with an inlet of the second preprocessor, and an outlet of the second preprocessor is connected with an inlet of the second hollow fibrous membrane; an impermeable gas outlet of the second hollow fibrous membrane is connected with the inlet of the first preprocessor, and a permeable gas outlet of the second hollow fibrous membrane is connected with a gas inlet of the helium storage tank. By adopting the membrane-method purifying technology to recycle the low-concentration helium, the membrane-method helium purifying device system has the characteristics of small size, simple process, convenience in operation and the like.
Description
Technical field
The utility model relates to a kind of embrane method helium purifying plant system, belongs to gas film separator field.
Background technology
Helium is that industry, chemical industry, research and teaching and high-tech industry develop indispensable rare strategic goods and materials, is widely used in the fields such as scientific research, space flight and aviation, refrigeration, medical treatment, optical fiber, leak detection, superconducting experiment, metal manufacture, deep sea diving, precision welding production.Helium is very inhomogeneous in global reserve distribution, all parts of the world has the helium resource compared with horn of plenty separately, and China's helium resource is seriously deficient, only have Sichuan province to store a small amount of helium for a long time, the industrial production of China and helium for scientific experimentation (containing liquid helium) rely on external import substantially, so domestic helium price is relatively high, and the very long while of delivery cycle in enormous quantities is along with the development of China's industrial technology, the demand of helium is increasing, will on a large scale, affect China's economic development in field on a large scale.Therefore, in order to save helium resource, reduce use cost, helium recovery is purified and had very important significance.
At present, the helium of low concentration does not reclaim substantially, directly discharge.Do helium and purify, technique has: Deep Cooling Method, pressure swing adsorption method, membrane separation process.The advantage of deep cooling is high-purity helium that can obtain high concentration, and shortcoming is that equipment investment is large, operation energy consumption is high, start-up time is long; The shortcoming of pressure swing adsorption method is that equipment volume is large, noise is large, start-up time is slow etc.Membrane separation process technique is simple, equipment volume is little, start-up time is fast, easy to operate.
Utility model content
The purpose of this utility model is to overcome the defect of prior art, and a kind of embrane method purification system of helium recovery recycling is provided.
The utility model is achieved through the following technical solutions:
A kind of embrane method helium purifying plant system, comprises and mixes helium cabinet, the first preprocessor, the first hollow-fibre membrane, the second preprocessor, the second hollow-fibre membrane and helium storage tank; Described mixing helium cabinet is provided with gas vent; Described the first preprocessor is provided with import and outlet; Described the first hollow-fibre membrane is provided with import, oozes vent outlet and impermeable gas outlet; Described the second preprocessor is provided with import and outlet; Described the second hollow-fibre membrane is provided with import, oozes vent outlet and impermeable gas outlet; Described helium storage tank is provided with gas feed; The gas vent of described mixing helium cabinet is connected through pipeline with the import of described the first preprocessor, and the outlet of described the first preprocessor is connected through pipeline with the import of described the first hollow-fibre membrane; The impermeable gas outlet of described the first hollow-fibre membrane is connected or communicates with atmosphere through pipeline with waste gas recovering device; The vent outlet that oozes of described the first hollow-fibre membrane is connected through pipeline with the import of described the second preprocessor, and the outlet of described the second preprocessor is connected through pipeline with the import of the second hollow-fibre membrane; The impermeable gas outlet of described the second hollow-fibre membrane is connected through pipeline with the import of described the first preprocessor, and the vent outlet that oozes of described the second hollow-fibre membrane is connected through pipeline with the gas feed of described helium storage tank.
Preferably, before described the first preprocessor import, be connected with the first compressor; Described the first compressor is provided with import and outlet; The outlet of described mixing helium cabinet is connected through pipeline with the import of described the first compressor, and the outlet of the first compressor is connected through pipeline with the import of described the first preprocessor.
Preferably, described the first preprocessor comprises cooling driers I, helium buffer tank I and filter I; Described cooling driers I is provided with import and outlet; Described helium buffer tank I is provided with import and outlet; Described filter I is provided with import and outlet; The outlet of described the first compressor is connected through pipeline with the import of described cooling driers I; The outlet of described cooling driers I is connected through pipeline with the import of described helium buffer tank I; The outlet of described helium buffer tank I is connected through pipeline with the import of described filter I; The outlet of described filter I is connected through pipeline with the import of described the first hollow-fibre membrane.
Preferably, the connecting line between the outlet of described helium buffer tank I and the import of described filter I is provided with unidirectional control valve I.
Preferably, before the import of described the second preprocessor, be connected with the second compressor; Described the second compressor is provided with import and outlet; The vent outlet that oozes of described the first hollow-fibre membrane is connected through pipeline with the import of described the second compressor, and the outlet of the second compressor is connected through pipeline with the import of described the second preprocessor.
Preferably, described the second preprocessor comprises cooling driers II, helium buffer tank II and filter II; Described cooling driers II is provided with import and outlet; Described helium buffer tank II is provided with import and outlet; Described filter II is provided with import and outlet; The outlet of described the second compressor is connected through pipeline with the import of described cooling driers II; The outlet of described cooling driers II is connected through pipeline with the import of described helium buffer tank II; The outlet of described helium buffer tank II is connected through pipeline with the import of described filter II; The outlet of described filter II is connected through pipeline with the import of described the second hollow-fibre membrane.
Preferably, the connecting line between the outlet of described helium buffer tank II and the import of described filter II is provided with unidirectional control valve II.
Preferably, the vent outlet that oozes of described the second hollow-fibre membrane is connected with gas analyzer for He.
Preferably, on the connecting line between the outlet of the impermeable gas of described the second hollow-fibre membrane and the import of the first preprocessor, be connected with unidirectional control valve III.
Technique effect of the present utility model and advantage are:
Adopt embrane method purifying technique, the helium of low concentration is carried out to recycling, equipment volume is little, technique is simple, easy to operate.
Brief description of the drawings
A kind of embrane method helium of Fig. 1 purifying plant system schematic
The membrane module connection diagram of Fig. 2 the first hollow-fibre membrane
Fig. 3 the first preprocessor structural representation
Reference numeral:
1, mix helium cabinet; 2, the first compressors; 3, the first preprocessors; 4, the first hollow-fibre membranes; 5, the second compressors; 6, the second preprocessors; 7, the second hollow-fibre membranes; 8, gas analyzer for He; 9, helium storage tank; 10, unidirectional control valve; 11, hollow fiber film assembly; 12, cooling driers I; 13, helium buffer tank I; 14, unidirectional control valve I; 15, filter I.
Detailed description of the invention
Below by specific instantiation explanation the technical solution of the utility model.Should be understood that one or more method steps that the utility model is mentioned do not repel between the step that also has additive method step or clearly mention at these before and after described combination step can also insert additive method step; Should also be understood that these embodiment are only not used in restriction scope of the present utility model for the utility model is described.And, except as otherwise noted, the numbering of various method steps is only for differentiating the convenient tool of various method steps, but not for limiting the ordering of various method steps or limiting the enforceable scope of the utility model, the change of its relativeness or adjustment, in the situation that changing technology contents without essence, when being also considered as the enforceable category of the utility model.
A kind of embrane method helium purifying plant system, comprises and mixes helium cabinet 1, the first preprocessor 3, the first hollow-fibre membrane 4, the second preprocessor 6, the second hollow-fibre membrane 7 and helium storage tank 9; Described mixing helium cabinet 1 is provided with gas vent; Described the first preprocessor 3 is provided with import and outlet; Described the first hollow-fibre membrane 4 is provided with import, oozes vent outlet and impermeable gas outlet; Described the second preprocessor 6 is provided with import and outlet; Described the second hollow-fibre membrane 7 is provided with import, oozes vent outlet and impermeable gas outlet; Described helium storage tank 9 is provided with gas feed; The gas vent of described mixing helium cabinet 1 is connected through pipeline with the import of described the first preprocessor 3, and the outlet of described the first preprocessor 3 is connected through pipeline with the import of described the first hollow-fibre membrane 4; The impermeable gas outlet of described the first hollow-fibre membrane 4 is connected or communicates with atmosphere through pipeline with waste gas recovering device; The vent outlet that oozes of described the first hollow-fibre membrane 4 is connected through pipeline with the import of described the second preprocessor 6, and the outlet of described the second preprocessor 6 is connected through pipeline with the import of the second hollow-fibre membrane 7; The impermeable gas outlet of described the second hollow-fibre membrane 7 is connected through pipeline with the import of described the first preprocessor 3, and the vent outlet that oozes of described the second hollow-fibre membrane 7 is connected through pipeline with the gas feed of described helium storage tank 9.
A kind of preferable case, as shown in Figure 1:
Before described the first preprocessor 3 imports, be connected with the first compressor 2; The outlet of described mixing helium cabinet 1 is connected through pipeline with the import of described the first compressor 2, and the outlet of the first compressor 2 is connected through pipeline with the import of described the first preprocessor 3.
Before the import of described the second preprocessor 6, be connected with the second compressor 5; The vent outlet that oozes of described the first hollow-fibre membrane 4 is connected through pipeline with the import of described the second compressor 5, and the outlet of the second compressor 5 is connected through pipeline with the import of described the second preprocessor 6.
The vent outlet that oozes of described the second hollow-fibre membrane 7 is connected with gas analyzer for He 8.
On connecting line between impermeable gas outlet and the import of the first preprocessor 3 of described the second hollow-fibre membrane 7, be connected with unidirectional control valve III 10.
Under a kind of preferable case, as shown in Figure 2:
Described the first hollow-fibre membrane 4 (Fig. 2) and the second hollow-fibre membrane 7 comprise respectively the branched hollow fiber film assembly 11 being connected in parallel.
Under a kind of preferable case, as shown in Figure 3:
Described the first preprocessor 3 (Fig. 3) comprises cooling driers I 12, helium buffer tank I 13 and filter I 15; Described cooling driers I 12 is provided with import and outlet; Described helium buffer tank I 13 is provided with import and outlet; Described filter I 15 is provided with import and outlet; The outlet of described the first compressor 2 is connected through pipeline with the import of described cooling driers I 12; The outlet of described cooling driers I 12 is connected through pipeline with the import of described helium buffer tank I 13; The outlet of described helium buffer tank I 13 is connected through pipeline with the import of described filter I 15; The outlet of described filter I 15 is connected through pipeline with the import of described the first hollow-fibre membrane 4.
Connecting line between the outlet of described helium buffer tank I 13 and the import of described filter I 15 is provided with unidirectional control valve I 14.
Described the second preprocessor 6 comprises cooling driers II, helium buffer tank II and filter II; Described cooling driers II is provided with import and outlet; Described helium buffer tank II is provided with import and outlet; Described filter II is provided with import and outlet; The outlet of described the second compressor 5 is connected through pipeline with the import of described cooling driers II; The outlet of described cooling driers II is connected through pipeline with the import of described helium buffer tank II; The outlet of described helium buffer tank II is connected through pipeline with the import of described filter II; The outlet of described filter II is connected through pipeline with the import of described the second hollow-fibre membrane 7.
Connecting line between the outlet of described helium buffer tank II and the import of described filter II is provided with unidirectional control valve II.
Utilize the apparatus system shown in Fig. 1 to carry out the technique of helium purification, comprise the following steps:
(1) be collected in the mixing helium (composition: concentrations of helium 10-40v%) be pressurized to 0.7-1.0MPa through the first compressor 2, then enter the first preprocessor 3 and (comprise the cooling driers I 12, helium buffer tank I 13 and the filter I 15 that connect successively mixing in helium cabinet 1; Between helium buffer tank I 13 and filter I 15, be provided with unidirectional control valve I 14), pretreatment reaches into film gas requirement (dust≤0.01 μ m, Residual oil≤0.01ppm, temperature 25-50 DEG C), then enter the first hollow-fibre membrane 4 (being formed by 3 hollow fiber film assemblies 11 in parallel);
(2) first hollow-fibre membranes 4 separate the impermeable gas obtaining emptying or reclaim, the infiltration gas that separation obtains is pressurized to after 0.7-1.0MPa through the second compressor 5, enters the second preprocessor 6 and (comprises cooling driers II, helium buffer tank II and filter II; Between helium buffer tank II and filter II, be provided with unidirectional control valve II);
The infiltration gas of (3) first hollow-fibre membranes 4 is after the second preprocessor 6 pretreatment, reach into film gas requirement (dust≤0.01 μ m, Residual oil≤0.01ppm, temperature 25-50 DEG C), then enter the second hollow-fibre membrane 7 (being formed by 3 hollow fiber film assemblies in parallel) and continue separating treatment;
The impermeable gas outlet that (4) second hollow-fibre membranes 7 separate is provided with unidirectional control valve III 10, can regulate on the one hand the flow of impermeable gas, after unidirectional control valve 10 can also prevent from shutting down on the other hand, gas backflow with pressure goes back to film the inside, separates the impermeable gas obtaining and is circulated to the first preprocessor 3; Oozing on vent outlet of the second hollow-fibre membrane 7 (being made up of 3 hollow fiber film assembly parallel connections) connects gas analyzer for He 8, and separating the infiltration gas obtaining is product helium (more than purity 90v%).
Claims (10)
1. an embrane method helium purifying plant system, it is characterized in that, comprise and mix helium cabinet (1), the first preprocessor (3), the first hollow-fibre membrane (4), the second preprocessor (6), the second hollow-fibre membrane (7) and helium storage tank (9); Described mixing helium cabinet (1) is provided with gas vent; Described the first preprocessor (3) is provided with import and outlet; Described the first hollow-fibre membrane (4) is provided with import, oozes vent outlet and impermeable gas outlet; Described the second preprocessor (6) is provided with import and outlet; Described the second hollow-fibre membrane (7) is provided with import, oozes vent outlet and impermeable gas outlet; Described helium storage tank (9) is provided with gas feed; The gas vent of described mixing helium cabinet (1) is connected through pipeline with the import of described the first preprocessor (3), and the outlet of described the first preprocessor (3) is connected through pipeline with the import of described the first hollow-fibre membrane (4); The impermeable gas outlet of described the first hollow-fibre membrane (4) is connected or communicates with atmosphere through pipeline with waste gas recovering device; The vent outlet that oozes of described the first hollow-fibre membrane (4) is connected through pipeline with the import of described the second preprocessor (6), and the outlet of described the second preprocessor (6) is connected through pipeline with the import of the second hollow-fibre membrane (7); The impermeable gas outlet of described the second hollow-fibre membrane (7) is connected through pipeline with the import of described the first preprocessor (3), and the vent outlet that oozes of described the second hollow-fibre membrane (7) is connected through pipeline with the gas feed of described helium storage tank (9).
2. a kind of embrane method helium purifying plant system as claimed in claim 1, is characterized in that, is connected with the first compressor (2) before described the first preprocessor (3) import; Described the first compressor (2) is provided with import and outlet; The outlet of described mixing helium cabinet (1) is connected through pipeline with the import of described the first compressor (2), and the outlet of the first compressor (2) is connected through pipeline with the import of described the first preprocessor (3).
3. a kind of embrane method helium purifying plant system as claimed in claim 2, it is characterized in that, described the first preprocessor (3) comprises cooling driers I (12), helium buffer tank I (13) and filter I (15); Described cooling driers I (12) is provided with import and outlet; Described helium buffer tank I (13) is provided with import and outlet; Described filter I (15) is provided with import and outlet; The outlet of described the first compressor (2) is connected through pipeline with the import of described cooling driers I (12); The outlet of described cooling driers I (12) is connected through pipeline with the import of described helium buffer tank I (13); The outlet of described helium buffer tank I (13) is connected through pipeline with the import of described filter I (15); The outlet of described filter I (15) is connected through pipeline with the import of described the first hollow-fibre membrane (4).
4. a kind of embrane method helium purifying plant system as claimed in claim 3, it is characterized in that, the connecting line between the outlet of described helium buffer tank I (13) and the import of described filter I (15) is provided with unidirectional control valve I (14).
5. a kind of embrane method helium purifying plant system as claimed in claim 2, is characterized in that, is connected with the second compressor (5) before the import of described the second preprocessor (6); Described the second compressor (5) is provided with import and outlet; The vent outlet that oozes of described the first hollow-fibre membrane (4) is connected through pipeline with the import of described the second compressor (5), and the outlet of the second compressor (5) is connected through pipeline with the import of described the second preprocessor (6).
6. a kind of embrane method helium purifying plant system as claimed in claim 5, is characterized in that, described the second preprocessor (6) comprises cooling driers II, helium buffer tank II and filter II; Described cooling driers II is provided with import and outlet; Described helium buffer tank II is provided with import and outlet; Described filter II is provided with import and outlet; The outlet of described the second compressor (5) is connected through pipeline with the import of described cooling driers II; The outlet of described cooling driers II is connected through pipeline with the import of described helium buffer tank II; The outlet of described helium buffer tank II is connected through pipeline with the import of described filter II; The outlet of described filter II is connected through pipeline with the import of described the second hollow-fibre membrane (7).
7. a kind of embrane method helium purifying plant system as claimed in claim 6, is characterized in that, the connecting line between the outlet of described helium buffer tank II and the import of described filter II is provided with unidirectional control valve II.
8. a kind of embrane method helium purifying plant system as claimed in claim 3, is characterized in that, the vent outlet that oozes of described the second hollow-fibre membrane (7) is connected with gas analyzer for He (8).
9. a kind of embrane method helium purifying plant system as claimed in claim 4, it is characterized in that, on the connecting line between impermeable gas outlet and the import of the first preprocessor (3) of described the second hollow-fibre membrane (7), be connected with unidirectional control valve (10).
10. a kind of embrane method helium purifying plant system as claimed in claim 1, it is characterized in that, described the first hollow-fibre membrane (4) and the second hollow-fibre membrane (7) comprise respectively the branched hollow fiber film assembly (11) being connected in parallel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420265878.3U CN203874647U (en) | 2014-05-22 | 2014-05-22 | Membrane-method helium purifying device system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420265878.3U CN203874647U (en) | 2014-05-22 | 2014-05-22 | Membrane-method helium purifying device system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001409A (en) * | 2014-05-22 | 2014-08-27 | 上海精腾新能源科技有限公司 | Membrane-method helium purifying device system and process |
| CN105883719A (en) * | 2016-03-30 | 2016-08-24 | 杨溢 | Device for separating hydrogen and helium through PET film |
| CN106629640A (en) * | 2017-01-20 | 2017-05-10 | 中国工程物理研究院材料研究所 | Low-release-ratio helium-3 gas purification device and purification method thereof |
-
2014
- 2014-05-22 CN CN201420265878.3U patent/CN203874647U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001409A (en) * | 2014-05-22 | 2014-08-27 | 上海精腾新能源科技有限公司 | Membrane-method helium purifying device system and process |
| CN104001409B (en) * | 2014-05-22 | 2016-05-11 | 上海精腾新能源科技有限公司 | A kind of embrane method helium purifying plant system and technique |
| CN105883719A (en) * | 2016-03-30 | 2016-08-24 | 杨溢 | Device for separating hydrogen and helium through PET film |
| CN105883719B (en) * | 2016-03-30 | 2019-04-19 | 杨溢 | PET film separates hydrogen, helium device |
| CN106629640A (en) * | 2017-01-20 | 2017-05-10 | 中国工程物理研究院材料研究所 | Low-release-ratio helium-3 gas purification device and purification method thereof |
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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: 20141015 Termination date: 20210522 |