CN204083810U - Uninterrupted air feeder - Google Patents
Uninterrupted air feeder Download PDFInfo
- Publication number
- CN204083810U CN204083810U CN201420438619.6U CN201420438619U CN204083810U CN 204083810 U CN204083810 U CN 204083810U CN 201420438619 U CN201420438619 U CN 201420438619U CN 204083810 U CN204083810 U CN 204083810U
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- China
- Prior art keywords
- pipeline
- valve
- reduction valve
- input
- pressure gauge
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- 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.)
- Expired - Lifetime
Links
- 239000007789 gas Substances 0.000 claims abstract description 57
- 239000012159 carrier gas Substances 0.000 claims abstract description 52
- 239000012535 impurity Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 238000010926 purge Methods 0.000 abstract description 3
- 239000006199 nebulizer Substances 0.000 description 9
- 239000002699 waste material Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
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- Pipeline Systems (AREA)
Abstract
A kind of uninterrupted air feeder, comprise pipeline, switch valve, the first reduction valve, locking device and the first pressure gauge, pipeline comprises input pipeline, exhausting pipeline and output pipeline, and make carrier gas bottle air feed to gas equipment by pipeline, exhausting pipeline UNICOM is in input pipeline, in order to the impurity of carrier gas in purging line, input pipeline and exhausting pipeline arrange the first reduction valve and switch valve respectively, to control the break-make of pipeline; Pipeline between the first reduction valve and switch valve arranges locking device, and when the first reduction valve is opened, locking device acts on switch valve, makes it cut out; When the first reduction valve cuts out, locking device acts on switch valve, makes it open; So when input pipeline opens the first reduction valve to gas equipment air feed, the restriction that switch valve is subject to locking device is closed, and avoids air feed process breaker in middle valve and is opened and causes carrier gas leakage, wasting phenomenon.
Description
Technical field
The utility model belongs to lab analysis detection device technical field, particularly relates to a kind of uninterrupted air feeder.
Background technique
Gas chromatograph utilizes gas as carrier gas, different according to the partition coefficient of each component between gas phase with fixer liquid phase in sample, when sample by carrier gas bring into run in chromatographic column time, component carries out repeated multiple times distribution with regard to two are wherein alternate, because Stationary liquid is to the absorption of each component or solvability difference, therefore each component motion speed is in the chromatography column just different, after certain column length, just separated from one another, leave chromatographic column in order and enter detector, the ion current signal produced, after amplifying, register is depicted the chromatographic peak of each component.
Common, gas chromatograph in use needs to use He, H
2deng carrier gas.The use amount of carrier gas is normal determines according to analytical method, if one bottle of carrier gas is simultaneously for multiple stage gas chromatograph, use amount is then larger; Sometimes, carrier gas is changed less than month needs.When carrier gas changed by conventional gas chromatograph, analyzing detection facility and stop using, when more finishing changing other carrier gas, giving to continue to use after gas chromatograph certain hour is stablized.In the pipeline of air feed, be provided with blow-down pipe and the switch valve of residual air impurity in flushing pipe, and give snorkel and the reduction valve of gas equipment air feed, by opening or closing switch valve and reduction valve, play the effect of blow-down pipe impurity removal, snorkel air feed and closing duct respectively.
But, when reduction valve is opened to gas equipment air feed, if switch valve is opened, part carrier gas can be caused to discharge from blow-down pipe, cause carrier gas to waste.
Summary of the invention
Based on this, the utility model is to overcome the defect that prior art exists carrier gas leakage and waste, provides a kind of uninterrupted air feeder.
A kind of uninterrupted air feeder, comprising:
Pipeline, comprise at least two input pipelines, at least two exhausting pipelines and an output pipeline, described input pipeline is fixed in described exhausting pipeline one end, and communicate with described input pipeline, the other end is communicated with air, described input pipeline one end is communicated with output pipeline one end, and the described input pipeline the other end connects carrier gas bottle, and the described output pipeline the other end connects gas equipment;
Switch valve, is fixedly installed on described exhausting pipeline;
First reduction valve, is fixedly installed on described input pipeline, and between described exhausting pipeline and output pipeline;
Locking device, be arranged at the pipeline between described switch valve and the first reduction valve, when described first reduction valve is opened, described locking device acts on described switch valve, makes it cut out, when described first reduction valve cuts out, described locking device acts on described switch valve, makes it open;
First pressure gauge, is arranged on described output pipeline.
Wherein in an embodiment, also comprise check valve, described check valve is arranged on the input pipeline between described first reduction valve and the first pressure gauge.
Wherein in an embodiment, described first pressure gauge is between the connectivity part and gas equipment of described input pipeline and described output pipeline.
Wherein in an embodiment, also comprise filter, be arranged on the input pipeline between described switch valve and the first reduction valve.
Wherein in an embodiment, also comprise the second pressure gauge, described second pressure gauge is arranged on described input pipeline.
Wherein in an embodiment, described output pipeline comprises main output pipeline and multiple output pipeline be connected in parallel on main output pipeline, and each output pipeline all can connect gas equipment.
Wherein in an embodiment, be provided with the second reduction valve and the 3rd pressure gauge between the connectivity part of described main output pipeline and each output pipeline and corresponding gas equipment, and described second reduction valve is arranged between described first pressure gauge and the 3rd pressure gauge.
Wherein in an embodiment, connectivity part, the input pipeline of described input pipeline and exhausting pipeline are all communicated with by three-way union with the connectivity part of an output pipeline with the connectivity part of output pipeline, main output pipeline.
Above-mentioned uninterrupted air feeder, comprise pipeline, switch valve, the first reduction valve, locking device and the first pressure gauge, pipeline comprises input pipeline, exhausting pipeline and output pipeline, and make carrier gas bottle air feed to gas equipment by pipeline, exhausting pipeline UNICOM is in input pipeline, in order to the impurity of carrier gas in purging line, input pipeline and exhausting pipeline arrange the first reduction valve and switch valve respectively, to control the break-make of pipeline; Pipeline between the first reduction valve and switch valve arranges locking device, and when the first reduction valve is opened, locking device acts on switch valve, makes it cut out; When the first reduction valve cuts out, locking device acts on switch valve, makes it open; So when input pipeline opens the first reduction valve to gas equipment air feed, the restriction that switch valve is subject to locking device is closed, and avoids air feed process breaker in middle valve and is opened and causes carrier gas leakage, wasting phenomenon.
Accompanying drawing explanation
Fig. 1 is the structural representation of uninterrupted air feeder in the utility model one embodiment;
Fig. 2 is the structural representation of uninterrupted air feeder in another embodiment of the utility model.
Description of reference numerals:
100. uninterrupted air feeders, 110. pipelines, 112. input pipelines, 114. exhausting pipelines, 116. output pipelines, 1162. main output pipelines, 1164. output pipelines, 120. switch valves, 130. first reduction valve, 140. locking devices, 150. first pressure gauges, 160. check valves, 170. filters, 180. second pressure gauges, 190. second reduction valve, 191. the 3rd pressure gauges, 192. three-way unions, 200. carrier gas bottles.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
As shown in Figure 1, a kind of uninterrupted air feeder 100, comprises pipeline 110 and is arranged at switch valve 120, first reduction valve 130, locking device 140 and the first pressure gauge 150 on pipeline 110.
Pipeline 110, comprise at least two input pipelines 112, at least two blow-down pipes 114 and an output pipeline 116, input pipeline 112 is fixed in exhausting pipeline 114 one end, and communicates with input pipeline 112, and the other end is communicated with air.Input pipeline 112 one end connects carrier gas bottle 200, and the other end is communicated with output pipeline 116; Output pipeline 116 the other end connects gas equipment 300; And one end that these at least two input pipelines 112 are communicated with output pipeline 116 is also interconnected.When need use carrier gas, the carrier gas in carrier gas bottle 200 inputs gas equipment 300 by input pipeline 112 and output pipeline 116; And, in the starting stage of carrier gas conveying, bleed off part carrier gas to discharge air plankton residual in input pipeline 112 through exhausting pipeline 114, the degree of purity of the carrier gas inputted in gas equipment 300 can be ensured, be conducive to follow-up test.
Switch valve 120, is fixedly installed on exhausting pipeline 114; In order to open or to close exhausting pipeline 114.After discharge the air plankton in input pipeline 112 with carrier gas, the carrier gas in carrier gas bottle 200 need input gas equipment 300, and if exhausting pipeline 114 is in circulation status always, carrier gas part can be caused to enter the external world, cause waste; So need to be closed by exhausting pipeline 114 when supplying gas gas equipment 300, switch valve 120 needs to open during impurity removal at input pipeline 112, closes to during gas equipment 300 air feed at needs.
First reduction valve 130, is fixedly installed on input pipeline 112, and between exhausting pipeline 114 and gas equipment 300; The control of different gas equipment 300 pairs of pressure is different, so, input pipeline 112 is needed to supply the nebulizer gas pressure of gas equipment 300 also different, at input pipeline 112, the first reduction valve 130 is set, the nebulizer gas pressure that can need according to gas equipment 300 regulates the first reduction valve 130, make the nebulizer gas pressure of input pipeline 112 reduce to the nebulizer gas pressure of gas equipment 300 needs, and rely on the energy of medium itself, make the nebulizer gas pressure of input pipeline 112 output terminal automatically keep stable.
Locking device 140, be arranged at the pipeline 110 between switch valve 120 and the first reduction valve 130, exhausting pipeline 114 is communicated with in the somewhere of input pipeline 112, locking device 140 can be arranged at the exhausting pipeline 114 between connectivity part and switch valve 120, also can be arranged at the input pipeline 112 between connectivity part and the first reduction valve 130.When the first reduction valve 130 is opened, locking device 140 acts on switch valve 120, makes it cut out; When the first reduction valve 130 cuts out, locking device 140 acts on switch valve 120, makes it open; So, when input pipeline 112 opens the first reduction valve 130 to gas equipment 300 air feed, the restriction that switch valve 120 is subject to locking device 140 is closed, and avoids the misoperation that may cause in air feed process and opens, and causes carrier gas to leak, the generation of waste carrier gas phenomenon.Be appreciated that, locking device 140 can adopt the mode of mechanical latching, the mechanical structure of switch valve 120 and the first reduction valve 130 mutually restricts and links, between switch valve 120 and the tommy bar of the first reduction valve 130, a fixed connecting piece is set, make two ends connecting valve valve 120 and first reduction valve 130 respectively of fixed connecting piece, so the Push And Release of switch valve 120 and the first reduction valve 130 can restrict mutually.Also can be adopt other closedown modes such as electric-magnetic lock.
First pressure gauge 150, is arranged on output pipeline 116; Can nebulizer gas pressure accurately in display translation pipeline 116, the first reduction valve 130 regulates the nebulizer gas pressure of input pipeline 112, and the force value fine adjustment that can show according to the first pressure gauge 150 is to the force value needed for consumer.
Further, uninterrupted air feeder 100 also comprises check valve 160, and check valve 160 is arranged on the input pipeline 112 between the first reduction valve 130 and the first pressure gauge 150.Check valve 160 relies on medium itself to flow and automatic open and close flap, deliver in the process of gas equipment 300 in carrier gas through check valve 160, check valve 160 can be used to prevent carrier gas from flowing backward to carrier gas bottle 200, only allows carrier gas to flow to the direction of gas equipment 300, prevents carrier gas and pour in down a chimney phenomenon.
Further, first pressure gauge 150 is between the connectivity part and gas equipment 300 of input pipeline 112 and output pipeline 116, article two, input pipeline 112 collects in first pressure gauge 150 one end, shares first pressure gauge 150, and exports carrier gas by first pressure gauge 150 the other end is unified; Article two, input pipeline 112 can be supplied gas simultaneously, also can select wherein one supply gas, another is closed, and after one bottle of carrier gas is finished wherein, then changes and uses other carrier gas, realize uninterrupted air feed.
Further, uninterrupted air feeder 100 also comprises filter 170, is arranged on the input pipeline 112 between switch valve 120 and the first reduction valve 130.Filter 170 can filter out the impurity in carrier gas, after exhausting pipeline 114 impurity removal, realizes again purifying carrier gas.
Further, uninterrupted air feeder 100 also comprises the second pressure gauge 180, second pressure gauge 180 and is arranged on input pipeline 112.Arrange the second pressure gauge 180 be equivalent to can by carrier gas from carrier gas bottle 200 to gas equipment 300 pipeline 110 in nebulizer gas pressure is measured once again, when can prevent somewhere pressure gauge from damaging, nebulizer gas pressure is measured inaccurate.And if input pipeline 112 is different with the diameter of output pipeline 116, so, in pipeline 110, the carrier gas air pressure of identical amount also can be different, so, the carrier gas air pressure that the second pressure gauge 180 can accurately not exist together in pipeline 110 is set.
As shown in Figure 2, in another embodiment, uninterrupted air feeder 100 can give multiple gas equipment 300 air feed simultaneously, described output pipeline 116 comprises main output pipeline 1162 and multiple output pipeline 1164 be connected in parallel on main output pipeline 1162, each output pipeline 1164 is provided with gas equipment 300, and be provided with the second reduction valve 190 and the 3rd pressure gauge 191 between the jointing of main output pipeline 1162 and each output pipeline 1164 and corresponding gas equipment 300, and the second reduction valve 190 is arranged between the first pressure gauge 150 and the 3rd pressure gauge 191.Arrange multiple interface at output pipeline 116 and the connecting end of gas equipment 300, each interface all can connect gas equipment 300, can reach one bottle of carrier gas simultaneously for the object of multiple stage gas equipment 300.
Connectivity part, the main output pipeline 1162 of the connectivity part of input pipeline 112 and exhausting pipeline 114, input pipeline 112 and output pipeline 116 are all communicated with by three-way union 192 with the connectivity part of an output pipeline 1164.Three-way union 192 i.e. pipeline 110 link, comprises an import, two outlets; Or two imports, an outlet, has T-shaped and Y shape, has the isometrical mouth of pipe, also have the reducing mouth of pipe, for three identical or different pipeline junctions, mainly plays the effect changing carrier gas and flow to, facilitates connection and the dismounting of pipeline 110.
Above-mentioned uninterrupted air feeder 100, pipeline 110 comprises input pipeline 112, exhausting pipeline 114 output pipeline 116, and make carrier gas bottle 200 air feed to gas equipment 300 by pipeline 110, exhausting pipeline 114 UNICOM is in input pipeline 112, in order to the impurity of carrier gas in purging line 110, input pipeline 112 and exhausting pipeline 114 arrange the first reduction valve 130 and switch valve 120 respectively, to control the break-make of pipeline 110; Pipeline 110 between the first reduction valve 130 and switch valve 120 arranges locking device 140, and when the first reduction valve 130 is opened, locking device 140 acts on switch valve 120, makes it cut out; When the first reduction valve 130 cuts out, locking device 140 acts on switch valve 120, makes it open; So when input pipeline 112 opens the first reduction valve 130 to gas equipment 300 air feed, the restriction that switch valve 120 is subject to locking device 140 is closed, and avoids air feed process breaker in middle valve 120 and is opened and causes carrier gas leakage, wasting phenomenon.
The above embodiment only have expressed embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (8)
1. a uninterrupted air feeder, is characterized in that, comprising:
Pipeline, comprise at least two input pipelines, at least two exhausting pipelines and an output pipeline, described input pipeline is fixed in described exhausting pipeline one end, and communicate with described input pipeline, the other end is communicated with air, described input pipeline one end is communicated with output pipeline one end, and the described input pipeline the other end connects carrier gas bottle, and the described output pipeline the other end connects gas equipment;
Switch valve, is fixedly installed on described exhausting pipeline;
First reduction valve, is fixedly installed on described input pipeline, and between described exhausting pipeline and output pipeline;
Locking device, be arranged at the pipeline between described switch valve and the first reduction valve, when described first reduction valve is opened, described locking device acts on described switch valve, makes it cut out, when described first reduction valve cuts out, described locking device acts on described switch valve, makes it open;
First pressure gauge, is arranged on described output pipeline.
2. uninterrupted air feeder according to claim 1, is characterized in that, also comprise check valve, and described check valve is arranged on the input pipeline between described first reduction valve and the first pressure gauge.
3. uninterrupted air feeder according to claim 2, is characterized in that, described first pressure gauge is between the connectivity part and gas equipment of described input pipeline and described output pipeline.
4. uninterrupted air feeder according to claim 3, is characterized in that, also comprise filter, is arranged on the input pipeline between described switch valve and the first reduction valve.
5. uninterrupted air feeder according to claim 3, is characterized in that, also comprises the second pressure gauge, and described second pressure gauge is arranged on described input pipeline.
6. uninterrupted air feeder according to claim 5, is characterized in that, described output pipeline comprises main output pipeline and multiple output pipeline be connected in parallel on main output pipeline, and each output pipeline all can connect gas equipment.
7. uninterrupted air feeder according to claim 6, it is characterized in that, be provided with the second reduction valve and the 3rd pressure gauge between the connectivity part of described main output pipeline and each output pipeline and corresponding gas equipment, and described second reduction valve is arranged between described first pressure gauge and the 3rd pressure gauge.
8. uninterrupted air feeder according to claim 6, is characterized in that, connectivity part, the input pipeline of described input pipeline and exhausting pipeline are all communicated with by three-way union with the connectivity part of an output pipeline with the connectivity part of output pipeline, main output pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420438619.6U CN204083810U (en) | 2014-08-05 | 2014-08-05 | Uninterrupted air feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420438619.6U CN204083810U (en) | 2014-08-05 | 2014-08-05 | Uninterrupted air feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204083810U true CN204083810U (en) | 2015-01-07 |
Family
ID=52176528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420438619.6U Expired - Lifetime CN204083810U (en) | 2014-08-05 | 2014-08-05 | Uninterrupted air feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204083810U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699023A (en) * | 2016-01-19 | 2016-06-22 | 中石化石油工程设计有限公司 | Measuring device and method suitable for carbon dioxide pipeline exhaust and leakage test |
| CN108195639A (en) * | 2017-11-24 | 2018-06-22 | 国网北京市电力公司 | Sulfur hexafluoride sampler |
| CN110220110A (en) * | 2019-04-03 | 2019-09-10 | 阳江核电有限公司 | Carrier gas feeder for nuclear island hot laboratory gas chromatograph |
| CN112944214A (en) * | 2021-01-20 | 2021-06-11 | 国网安徽省电力有限公司电力科学研究院 | Portable uninterrupted gas supply device |
-
2014
- 2014-08-05 CN CN201420438619.6U patent/CN204083810U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699023A (en) * | 2016-01-19 | 2016-06-22 | 中石化石油工程设计有限公司 | Measuring device and method suitable for carbon dioxide pipeline exhaust and leakage test |
| CN105699023B (en) * | 2016-01-19 | 2018-11-13 | 中石化石油工程设计有限公司 | Measuring device and measurement method suitable for carbon dioxide conduit emptying and leak-testing |
| CN108195639A (en) * | 2017-11-24 | 2018-06-22 | 国网北京市电力公司 | Sulfur hexafluoride sampler |
| CN110220110A (en) * | 2019-04-03 | 2019-09-10 | 阳江核电有限公司 | Carrier gas feeder for nuclear island hot laboratory gas chromatograph |
| CN112944214A (en) * | 2021-01-20 | 2021-06-11 | 国网安徽省电力有限公司电力科学研究院 | Portable uninterrupted gas supply device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150107 |