CN105508872A - Device for recovery of residual gas in pipeline - Google Patents
Device for recovery of residual gas in pipeline Download PDFInfo
- Publication number
- CN105508872A CN105508872A CN201610049414.2A CN201610049414A CN105508872A CN 105508872 A CN105508872 A CN 105508872A CN 201610049414 A CN201610049414 A CN 201610049414A CN 105508872 A CN105508872 A CN 105508872A
- Authority
- CN
- China
- Prior art keywords
- threeway
- air valve
- joint
- pipeline
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
- F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/013—Single phase liquid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
- F17C2225/0107—Single phase
- F17C2225/0123—Single phase gaseous, e.g. CNG, GNC
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a device for recovery of residual gas in a pipeline. A first T-joint is additionally arranged on a pipeline between a liquid pump and a vaporizer, and a second T-joint is additionally arranged on a pipeline between the vaporizer and a filling line; the last port of the first T-joint is connected with a first air valve and then connected with a third T-joint, the third T-joint is connected with an air inlet of a compressor, an air outlet of the compressor is connected with a fourth T-joint, and the fourth T-joint is connected with a second air valve and then connected with the last port of the second T-joint; the last port of the fourth T-joint is connected with a third air valve and then connected with a fifth T-joint, the fifth T-joint is connected with an air storage tank, and the last port of the fifth T-joint is connected with a fourth air valve and then connected with the last port of the second T-joint. The device is simple in structure, low in manufacturing cost, easy to operate, high in practicality, safe, environmentally friendly, capable of saving resources, reducing operating cost for enterprises and increasing enterprise revenue, and worth application and popularization.
Description
Technical field
The present invention relates to gas and manufacture field, especially relate to the recovering device of residual gas in a kind of pipeline.
Background technique
In recent years, along with the fast development of Chinese national economy, gas products application area constantly expands, consumption constantly increases, new product is constantly released, and purity improves constantly, and the market demand constantly expands, output value growth rate is considerably beyond the growth rate of the national economy total value same period, and pure nitrogen gas, argon gas, oxygen are purposes gas very widely in industrial production.Be separated in air after liquefaction, transported with liquid state before this entering in point process of assembling, store, then be dispensed in gas cylinder by gas packaging device and use, other common dispensing apparatus are storage tanks, liquor pump, vaporizer, filling station, between connected by pipeline, after one batch of gas cylinder packing completes, the gas of liquid or gaseous state is also filled with in pipeline, must be emptying in time, otherwise can because temperature raises gas expansion, manifold pressure is excessive blasts, therefore can cause the great wasting of resources and increase operation cost, and some gas is also not suitable for direct discharge, atmospheric pollution can be caused.
Summary of the invention
The object of the invention is the deficiency existed for prior art, a kind of gas concentration unit is provided, gas remaining in pipeline is reclaimed, reach the object economized on resources with improve effects.
Technological scheme of the present invention:
The recovering device of residual gas in a kind of pipeline, comprise storage tank, liquor pump, vaporizer, filling station, storage tank, liquor pump, vaporizer and filling station connect to form complete gas packaging device with pipeline in order successively, pipeline between described liquor pump and vaporizer and between vaporizer and the row of filling respectively is set up a threeway, be respectively the first threeway and the second threeway, last interface of first threeway connects the 3rd threeway after connecting the first air valve, 3rd threeway is connected with the suction port of compressor, the air outlet of compressor connects the 4th threeway, 4th threeway is connected with last interface of the second threeway after connection second air valve, last interface of 4th threeway connects the 5th threeway after connection the 3rd air valve, 5th threeway is connected with gas holder, be connected with last interface of the second threeway after last interface connection the 4th air valve of the 5th threeway, above-mentioned all Placements are all connected by pipeline.
5th air valve is set between described vaporizer and the second threeway.
The amount of capacity of described gas holder is 2-5 times of common gas cylinder.
An air pressure monitoring device is set between described gas holder and the 5th threeway.
Compared with prior art, the present invention increases some pipe-lines on original gas dispensing apparatus, connect a compressor and a gas holder, by the ingenious setting of air valve and pipeline, achieve the residual gas in pipeline to be compressed in gas holder and save, after when the gas canful preserved in gas holder, adjustment air valve, between gas cylinder is filled.The simple cost of structure of the present invention is low, simple to operate practical, not only safety and environmental protection, and has saved resource, decreases operation cost of enterprises, adds the performance of enterprises, be worth of widely use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
The present invention is set forth further below in conjunction with accompanying drawing.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Embodiment 1:
The recovering device of residual gas in a kind of pipeline, as shown in Figure 1, comprise storage tank 1, liquor pump 2, vaporizer 3, filling station 4, storage tank 1, liquor pump 2, vaporizer 3 and filling station 4 connect to form complete gas packaging device with pipeline 5 in order successively, pipeline 5 between described liquor pump 2 and vaporizer 3 and between vaporizer 3 and the row of filling 4 is respectively set up a threeway 6, be respectively the first threeway 61 and the second threeway 62, first last interface of threeway 61 connects the 3rd threeway 63 after connecting the first air valve 71, 3rd threeway 63 is connected with the suction port of compressor 8, the air outlet of compressor 8 connects the 4th threeway 64, 4th threeway 64 is connected with last interface of the second threeway 62 after connection second air valve 72, last interface of 4th threeway 64 connects the 5th threeway 65 after connection the 3rd air valve 73, 5th threeway 65 is connected with gas holder 9, be connected with last interface of the second threeway 62 after last interface connection the 4th air valve 74 of the 5th threeway 65, above-mentioned all Placements are all connected by pipeline 5, between described vaporizer 3 and the second threeway 62, the 5th air valve 75 is set, an air pressure monitoring device is set between described gas holder 9 and the 5th threeway 65.
Close at maintenance first air valve 71 and the second air valve 72, when 5th air valve 75 is opened, normally packing is carried out to the gas in storage tank 1, after packing, close the air valve of storage tank 1, open the first air valve 71, the 3rd air valve 73, close the second air valve 72, the 4th air valve 74, open compressor 8, by the residual gas pressure recovery in pipeline 5 in gas holder 9, close compressor 8, first air valve 71 and the 3rd air valve 73 after recovery; When the gas reclaimed in the air pressure monitoring device display gas holder 9 on gas holder 9 reaches a certain amount of or fills time, the first air valve 71 and the 3rd air valve 73 is kept to close, and close the 5th air valve 75, open the second air valve 72 and the 4th air valve 74, gas in gas holder 9 enters in filling station 4 packing air inlet bottle by the 4th air valve 74 through compressor 8 compressive flow after the second air valve 72, after packing completes, close compressor 8, second air valve 72 and the 4th air valve 74, open the 5th air valve 75.
The present invention increases some pipe-lines on original gas dispensing apparatus, connect a compressor and a gas holder, by the ingenious setting of air valve and pipeline, achieve the residual gas in pipeline to be compressed in gas holder and save, after when the gas canful preserved in gas holder, adjustment air valve, between gas cylinder is filled.The simple cost of structure of the present invention is low, simple to operate practical, not only safety and environmental protection, and has saved resource, decreases operation cost of enterprises, adds the performance of enterprises, be worth of widely use.
Claims (4)
1. the recovering device of residual gas in a pipeline, comprise storage tank (1), liquor pump (2), vaporizer (3), filling station (4), storage tank (1), liquor pump (2), vaporizer (3) and filling station (4) use pipeline (5) to connect to form complete gas packaging device in order successively, it is characterized in that, pipeline (5) between described liquor pump (2) and vaporizer (3) and between vaporizer (3) and the row of filling (4) is respectively set up a threeway (6), be respectively the first threeway (61) and the second threeway (62), first threeway (61) last interface connects the first air valve (71) and connects the 3rd threeway (63) afterwards, 3rd threeway (63) is connected with the suction port of compressor (8), the air outlet of compressor (8) connects the 4th threeway (64), 4th threeway (64) is connected with last interface of the second threeway (62) afterwards at connection second air valve (72), last interface of 4th threeway (64) connects the 5th threeway (65) afterwards in connection the 3rd air valve (73), 5th threeway (65) is connected with gas holder (9), last interface of 5th threeway (65) connects the 4th air valve (74) and is connected with last interface of the second threeway (62) afterwards, above-mentioned all Placements are all connected by pipeline (5).
2. gas concentration unit in a kind of transfer cask as claimed in claim 1, is characterized in that: arrange the 5th air valve (75) between described vaporizer (3) and the second threeway (62).
3. gas concentration unit in a kind of transfer cask as claimed in claim 1, is characterized in that: the amount of capacity of described gas holder (9) is 2-5 times of common gas cylinder.
4. gas concentration unit in a kind of transfer cask as claimed in claim 1, is characterized in that: arrange an air pressure monitoring device between described gas holder (9) and the 5th threeway (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610049414.2A CN105508872B (en) | 2016-01-22 | 2016-01-22 | The retracting device of residual gas in a kind of pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610049414.2A CN105508872B (en) | 2016-01-22 | 2016-01-22 | The retracting device of residual gas in a kind of pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105508872A true CN105508872A (en) | 2016-04-20 |
| CN105508872B CN105508872B (en) | 2017-08-25 |
Family
ID=55717063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610049414.2A Active CN105508872B (en) | 2016-01-22 | 2016-01-22 | The retracting device of residual gas in a kind of pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105508872B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594756A (en) * | 2020-05-29 | 2020-08-28 | 南京金陵塑胶化工有限公司 | Recovery system of nitrogen gas in polypropylene production process |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5718407A (en) * | 1980-07-07 | 1982-01-30 | Chiyoda Chem Eng & Constr Co Ltd | Method of driving boil-off compressor by utilizing cold heat of lng |
| JPS57101199A (en) * | 1980-12-12 | 1982-06-23 | Hitachi Ltd | Gas feeding and exhaust device |
| CN2209755Y (en) * | 1994-09-01 | 1995-10-11 | 机械工业部第七设计研究院 | Gas filling apparatus |
| JP2006300142A (en) * | 2005-04-18 | 2006-11-02 | Niimi Sangyo Kk | Liquefied gas filling device |
| CN202338768U (en) * | 2011-10-13 | 2012-07-18 | 周平 | Automatic filling device for electronic grade ultrapure ammonia |
| CN103672396A (en) * | 2013-11-15 | 2014-03-26 | 苏州金宏气体股份有限公司 | Method for recycling released and emptying gas of high-purity gas liquid storage tank |
| CN104514980A (en) * | 2013-09-29 | 2015-04-15 | 宁波绿源液化天然气发展有限公司 | Liquefied natural gas unloading booster skid |
| CN205592641U (en) * | 2016-01-22 | 2016-09-21 | 池州森大轻工制品有限公司 | Residual gas's recovery unit in pipeline |
-
2016
- 2016-01-22 CN CN201610049414.2A patent/CN105508872B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5718407A (en) * | 1980-07-07 | 1982-01-30 | Chiyoda Chem Eng & Constr Co Ltd | Method of driving boil-off compressor by utilizing cold heat of lng |
| JPS57101199A (en) * | 1980-12-12 | 1982-06-23 | Hitachi Ltd | Gas feeding and exhaust device |
| CN2209755Y (en) * | 1994-09-01 | 1995-10-11 | 机械工业部第七设计研究院 | Gas filling apparatus |
| JP2006300142A (en) * | 2005-04-18 | 2006-11-02 | Niimi Sangyo Kk | Liquefied gas filling device |
| CN202338768U (en) * | 2011-10-13 | 2012-07-18 | 周平 | Automatic filling device for electronic grade ultrapure ammonia |
| CN104514980A (en) * | 2013-09-29 | 2015-04-15 | 宁波绿源液化天然气发展有限公司 | Liquefied natural gas unloading booster skid |
| CN103672396A (en) * | 2013-11-15 | 2014-03-26 | 苏州金宏气体股份有限公司 | Method for recycling released and emptying gas of high-purity gas liquid storage tank |
| CN205592641U (en) * | 2016-01-22 | 2016-09-21 | 池州森大轻工制品有限公司 | Residual gas's recovery unit in pipeline |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594756A (en) * | 2020-05-29 | 2020-08-28 | 南京金陵塑胶化工有限公司 | Recovery system of nitrogen gas in polypropylene production process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105508872B (en) | 2017-08-25 |
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