CN204083798U - A kind of gas delivery safety interface device - Google Patents
A kind of gas delivery safety interface device Download PDFInfo
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- CN204083798U CN204083798U CN201420476504.6U CN201420476504U CN204083798U CN 204083798 U CN204083798 U CN 204083798U CN 201420476504 U CN201420476504 U CN 201420476504U CN 204083798 U CN204083798 U CN 204083798U
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- interface
- switch
- purging
- gas transmission
- gas
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- 238000010926 purge Methods 0.000 claims abstract description 58
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 56
- 239000010959 steel Substances 0.000 claims abstract description 56
- 230000005540 biological transmission Effects 0.000 claims abstract description 54
- 238000011084 recovery Methods 0.000 claims abstract description 33
- 230000009467 reduction Effects 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000012528 membrane Substances 0.000 claims description 17
- 239000007789 gas Substances 0.000 description 78
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 20
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 239000002341 toxic gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001914 calming effect Effects 0.000 description 2
- 230000019771 cognition Effects 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 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
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- Pipeline Systems (AREA)
Abstract
The utility model discloses a kind of gas delivery safety interface device, comprising: air inlet port, gas transmission port and recovery interface.Described air inlet port comprises steel cylinder interface, purges interface, air inlet switch and cross fitting, and four interfaces of described cross fitting connect steel cylinder interface, purging interface, air inlet switch respectively by pipeline and reclaim interface; Described purging is interfaced on the pipeline between cross fitting and is provided with purging one-way valve and purging switch successively; Described purging one-way valve by direction for be interfaced to cross fitting by purging.Described recovery is interfaced between cross fitting and pipeline is provided with successively recovery one-way valve and recovery switch; Described recovery one-way valve by direction for by cross fitting to reclaiming interface.Described gas transmission port comprises gas transmission interface and gas transmission switch, and described gas transmission interface is connected with gas transmission switch by pipeline, and described gas transmission switch is provided with reduction valve and inflow-rate of water turbine valve successively to the pipeline between gas transmission interface; Described gas transmission switch is connected with air inlet switch by pipeline.The utility model structure is simple, novel in design, Security is had more when gas is carried, purging interface by increasing simultaneously, can first gas in steel cylinder be purged clean with innocuous gas before replacing steel cylinder, thus stopped harmful gas when unloading steel cylinder and spill in air.
Description
Technical field
The utility model relates to gas conveying technology field, especially a kind of gas delivery safety interface device.
Background technique
Often inflammable and explosive and harmful pressurized gas need be used in laboratory and industrial production, steel cylinder pressure is normally directly adjusted to use pressure in gas high pressure steel cylinder part by reduction valve by current gas air supply system, shortcoming danger is very many, such as: 1. have high pressure access arrangement when reduction valve is malfunctioning, cause equipment explosion; 2., when changing steel cylinder, the residual air in decompressor can directly be gone in air, and toxic and harmful can injure human body and befouling environment; 3. when instrument is damaged, or when human users's error causes special gas generation security alarm, personnel cannot close dangerous matter sources immediately.
model utility content
The technical problems to be solved in the utility model is to provide a kind of gas delivery safety interface device, the deficiencies in the prior art can be solved, Security is had more when gas is carried, purge interface by increasing simultaneously, can first gas in steel cylinder be purged clean with innocuous gas before replacing steel cylinder, thus stop harmful gas when unloading steel cylinder and spill in air.
For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows:
A kind of gas delivery safety interface device, comprising: air inlet port, gas transmission port and recovery interface.
Described air inlet port comprises steel cylinder interface, purges interface, air inlet switch and cross fitting, and four interfaces of described cross fitting connect steel cylinder interface, purging interface, air inlet switch respectively by pipeline and reclaim interface.
Described purging is interfaced on the pipeline between cross fitting and is provided with purging one-way valve and purging switch successively; Described purging one-way valve by direction for be interfaced to cross fitting by purging.
Described recovery is interfaced between cross fitting and pipeline is provided with successively recovery one-way valve and recovery switch; Described recovery one-way valve by direction for by cross fitting to reclaiming interface.
Described gas transmission port comprises gas transmission interface and gas transmission switch, and described gas transmission interface is connected with gas transmission switch by pipeline, and described gas transmission switch is provided with reduction valve and inflow-rate of water turbine valve successively to the pipeline between gas transmission interface; Described gas transmission switch is connected with air inlet switch by pipeline.
Preferably, the pipeline between described air inlet switch and cross fitting is provided with pressure gauge.
Preferably, described purging switch and recovery switch are membrane valve.
Preferably, described air inlet switch and gas transmission switch are pneumatic valve.
Further, described steel cylinder interface, purging interface, recovery interface and gas transmission jointing are equipped with membrane valve.
Further, the quantity of described air inlet port is no less than 2.
Application process of the present utility model is as follows:
During normal use, steel cylinder jointing connects the required high steel cylinder of testing body of calming the anger of storage, gas transmission interface connects the equipment pipeline that need use this gas, open the membrane valve of steel cylinder interface and gas transmission jointing, and open air inlet switch and gas transmission switch, the High-Voltage Experimentation gas in steel cylinder will be entered pipeline because of the relation of pressure difference and outwards be carried by the effect of reduction valve specifies experimental gas needed for pressure.
When steel cylinder internal air pressure is too low, and when cannot use, close the air inlet switch of this air inlet port, open the air inlet switch of the air inlet port of another one air inlet port, to ensure that air feed can not interrupt simultaneously.To the purging interface of the air inlet port changing steel cylinder be needed to connect high pressure nitrogen container simultaneously, reclaim jointing and connect recovering container, open and purge the membrane valve that purging jointing opened by switch simultaneously, high pressure nitrogen can input steel cylinder and mix with the experimental gas in it under the effect of pressure, when the air pressure in steel cylinder rise to no longer include high pressure nitrogen input time, shut-down purge switch, open and reclaim the membrane valve that recovery jointing opened by switch simultaneously, mixed gas cognition in steel cylinder enters recovering container under the effect of pressure, until air pressure balance, close the membrane valve reclaiming switch and reclaim jointing.Repeat above operation three to ten times, the experimental gas content in steel cylinder by nitrogen dilution to ignoring, now can be closed the membrane valve at intake interface place, taking off steel cylinder, changing new steel cylinder.
The utility model provides a kind of gas delivery safety interface device, compared with prior art has following beneficial effect:
(1) greatly improve the Security of gas transmission, owing to having added inflow-rate of water turbine valve on the pipeline of gas transmission port, when the malfunctioning conveying air pressure of reduction valve exceeds standard, gas conveying can be blocked in time;
(2) toxic gas loss when having stopped replacing steel cylinder, by purging interface and the recovery interface of air inlet port, utilize harmless high pressure nitrogen by the gas purging that remains in steel cylinder in recovering container, make toxic gas residual in steel cylinder be diluted to negligible;
(3) setting of air inlet port high pressure gauge, makes staff monitor the gas pressure intensity value of output in real time, can Timeliness coverage when gas conveying occurs abnormal, to close gas conveying;
(4) gas delivery safety interface device of the present utility model, structure is simple, novel in design, can also by the gas transmission switch pneumatic valve of the air inlet switch pneumatic valve of air inlet port and gas transmission port be connected with PLC, pressure transducer is set at the high pressure gauge place of air inlet port, to realize remote alarms, telecontrol and intelligent control function that gas safety is carried simultaneously.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms a application's part, does not form improper restriction of the present utility model, in the accompanying drawings:
Fig. 1 is the schematic diagram of the utility model embodiment.
Embodiment
Describe the utility model in detail below in conjunction with accompanying drawing and specific embodiment, be used for explaining the utility model in this illustrative examples of the present utility model and explanation, but not as to restriction of the present utility model.
The present embodiment provides a kind of gas delivery safety interface device, comprising: the first air inlet port one, the second air inlet port 2, gas transmission port 3 and recovery interface 4.
Described first air inlet port one comprises steel cylinder interface 1.1, purges interface 1.2, air inlet switch 1.3 and cross fitting 1.4, and four interfaces of described cross fitting 1.4 connect steel cylinder interface 1.1, purging interface 1.2, air inlet switch 1.3 respectively by pipeline and reclaim interface 4; Pipeline between described purging interface 1.2 to cross fitting 1.4 is provided with successively and purges one-way valve 1.5 and purge switch 1.6; Described purging one-way valve 1.5 be by purging interface 1.2 to cross fitting 1.4 by direction; Between described recovery interface 4 to cross fitting 1.4, pipeline is provided with successively and reclaims one-way valve 1.7 and reclaim switch 1.8; Described recovery one-way valve 1.7 by direction be by cross fitting 1.4 to recovery interface 4; Pipeline between described air inlet switch 1.3 and cross fitting 1.4 is provided with pressure gauge 1.9.
Described second air inlet port 2 comprises steel cylinder interface 2.1, purges interface 2.2, air inlet switch 2.3 and cross fitting 2.4, and four interfaces of described cross fitting 2.4 connect steel cylinder interface 2.1, purging interface 2.2, air inlet switch 2.3 respectively by pipeline and reclaim interface 4; Pipeline between described purging interface 2.2 to cross fitting 2.4 is provided with successively and purges one-way valve 2.5 and purge switch 2.6; Described purging one-way valve 2.5 be by purging interface 2.2 to cross fitting 2.4 by direction; Between described recovery interface 4 to cross fitting 2.4, pipeline is provided with successively and reclaims one-way valve 2.7 and reclaim switch 2.8; Described recovery one-way valve 2.7 by direction be by cross fitting 2.4 to recovery interface 4; Pipeline between described air inlet switch 2.3 and cross fitting 2.4 is provided with pressure gauge 2.9.
Described gas transmission port 3 comprises gas transmission interface 3.1 and gas transmission switch 3.2, and described gas transmission interface 3.1 is connected with gas transmission switch 3.2 by pipeline, and described gas transmission switch 3.2 to the pipeline between gas transmission interface 3.1 is provided with reduction valve 3.3 and inflow-rate of water turbine valve 3.4 successively; Described gas transmission switch 3.2 is connected with air inlet switch 1.3 and air inlet switch 2.3 respectively by pipeline.
Described purging switch 1.2, purging switch 2.2, recovery switch 1.8 and recovery switch 2.8 are membrane valve; Described air inlet switch 1.3, air inlet switch 2.3 and gas transmission switch 3.2 are pneumatic valve; Described steel cylinder interface 1.1, steel cylinder interface 2.1, purging interface 1.2, purging interface 2.2, recovery interface 4 and gas transmission interface 3.1 place are equipped with membrane valve.
The gas delivery safety interface device of the present embodiment, its application process is as follows:
During normal use, steel cylinder interface 1.1 and steel cylinder interface 2.1 place respectively connect one and store required high steel cylinder of testing body of calming the anger, gas transmission interface 3.1 connects the equipment pipeline that need use this gas, open the membrane valve at steel cylinder interface 1.1 and gas transmission interface 3.1 place, and open air inlet switch 1.3 and gas transmission switch 3.2, the High-Voltage Experimentation gas in the steel cylinder that steel cylinder interface 1.1 connects will be entered pipeline because of the relation of pressure difference and outwards be carried by the effect of reduction valve 3.3 specifies experimental gas needed for pressure.
The steel cylinder internal air pressure connected when steel cylinder interface 1.1 is too low, and when cannot use, closes air inlet switch 1.3, opens the membrane valve at air inlet switch 2.3 and steel cylinder interface 2.1 place, to ensure that air feed can not interrupt simultaneously.Purging interface 1.2 is connected high pressure nitrogen container simultaneously, reclaim interface 4 place and connect recovering container, open and purge switch 1.6, open the membrane valve purging interface 1.2 place simultaneously, high pressure nitrogen can input steel cylinder and mix with the experimental gas in it under the effect of pressure, when the air pressure in steel cylinder rise to no longer include high pressure nitrogen input time, shut-down purge switch 1.6 also opens the membrane valve that recovery interface 4 place opened by recovery switch 1.8 simultaneously, mixed gas cognition in steel cylinder enters recovering container under the effect of pressure, until air pressure balance, close the membrane valve reclaiming switch 1.8 and reclaim interface 4 place.Repeat above operation three to ten times, the experimental gas content in steel cylinder by nitrogen dilution to ignoring, now can be closed the membrane valve at intake interface 1.1 place, taking off steel cylinder, changing new steel cylinder.
Present embodiments provide a kind of gas delivery safety interface device, compared with prior art have following beneficial effect:
A) greatly improve the Security of gas transmission, owing to having added inflow-rate of water turbine valve 3.4 on the pipeline of gas transmission port, when the malfunctioning conveying air pressure of reduction valve 3.3 exceeds standard, gas conveying can be blocked in time;
Toxic gas loss when b) having stopped replacing steel cylinder, by purging interface 1.2, purging interface 2.2 and reclaim interface 4, utilize harmless high pressure nitrogen by the gas purging that remains in steel cylinder in recovering container, make toxic gas residual in steel cylinder be diluted to negligible;
C) setting of air inlet port high pressure gauge 1.9, makes staff monitor the gas pressure intensity value of output in real time, can Timeliness coverage when gas conveying occurs abnormal, to close gas conveying;
D) the gas delivery safety interface device of the present embodiment, structure is simple, novel in design, can also by air inlet switch 1.3, air inlet switch 2.3 and gas transmission switch 3.2 be connected with PLC, pressure transducer is set at high pressure gauge 1.9 and high pressure gauge 2.9 place, to realize remote alarms, telecontrol and intelligent control function that gas safety is carried simultaneously.
More than show and describe basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof
.
Claims (5)
1. a gas delivery safety interface device, comprise: air inlet port, gas transmission port and recovery interface, it is characterized in that: described air inlet port comprises steel cylinder interface, purges interface, air inlet switch and cross fitting, four interfaces of described cross fitting connect steel cylinder interface, purging interface, air inlet switch respectively by pipeline and reclaim interface;
Described purging is interfaced on the pipeline between cross fitting and is provided with purging one-way valve and purging switch successively; Described purging one-way valve by direction for be interfaced to cross fitting by purging;
Described recovery is interfaced between cross fitting and pipeline is provided with successively recovery one-way valve and recovery switch; Described recovery one-way valve by direction for by cross fitting to reclaiming interface;
Described gas transmission port comprises gas transmission interface and gas transmission switch, and described gas transmission interface is connected with gas transmission switch by pipeline, and described gas transmission switch is provided with reduction valve and inflow-rate of water turbine valve successively to the pipeline between gas transmission interface; Described gas transmission switch is connected with air inlet switch by pipeline.
2. a kind of gas delivery safety interface device according to claim 1, is characterized in that: the pipeline between described air inlet switch and cross fitting is provided with pressure gauge.
3. a kind of gas delivery safety interface device according to claim 1, is characterized in that: described purging switch and recovery switch are membrane valve.
4. a kind of gas delivery safety interface device according to claim 1, is characterized in that: described steel cylinder interface, purging interface, recovery interface and gas transmission jointing are equipped with membrane valve.
5. a kind of gas delivery safety interface device according to claim 1, is characterized in that: the quantity of described air inlet port is no less than 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420476504.6U CN204083798U (en) | 2014-08-22 | 2014-08-22 | A kind of gas delivery safety interface device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420476504.6U CN204083798U (en) | 2014-08-22 | 2014-08-22 | A kind of gas delivery safety interface device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204083798U true CN204083798U (en) | 2015-01-07 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420476504.6U Active CN204083798U (en) | 2014-08-22 | 2014-08-22 | A kind of gas delivery safety interface device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204083798U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111180365A (en) * | 2020-01-03 | 2020-05-19 | 北京北方华创微电子装备有限公司 | Air intake system and air intake method |
-
2014
- 2014-08-22 CN CN201420476504.6U patent/CN204083798U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111180365A (en) * | 2020-01-03 | 2020-05-19 | 北京北方华创微电子装备有限公司 | Air intake system and air intake method |
| CN111180365B (en) * | 2020-01-03 | 2023-05-16 | 北京北方华创微电子装备有限公司 | Air intake system and air intake method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210126 Address after: 210000 Room 202, building 23, Liandong u Valley, No.9 Tonglian Road, Chunhua street, Jiangning District, Nanjing City, Jiangsu Province (Jiangning Gaoxin Park) Patentee after: NANJING CCT Co.,Ltd. Address before: Room 601, building 8, tongximing City, No.8, Shengtai East Road, Jiangning Economic and Technological Development Zone, Nanjing City, Jiangsu Province, 210000 Patentee before: Chen Jianfeng |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A safety interface device for gas transmission Effective date of registration: 20220602 Granted publication date: 20150107 Pledgee: Nanjing Branch of Jiangsu Bank Co.,Ltd. Pledgor: NANJING CHENGCHUANG TECHNOLOGY SYSTEM CO.,LTD. Registration number: Y2022980007055 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |