CN103982221A - Gas curtain device - Google Patents
Gas curtain device Download PDFInfo
- Publication number
- CN103982221A CN103982221A CN201410187700.6A CN201410187700A CN103982221A CN 103982221 A CN103982221 A CN 103982221A CN 201410187700 A CN201410187700 A CN 201410187700A CN 103982221 A CN103982221 A CN 103982221A
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- control valve
- conduit
- air curtain
- communicated
- curtain device
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- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention belongs to the technical field of gas curtain devices and provides a gas curtain device. The gas curtain device has the advantage that when people open a closed door and enter the interior of a room, a dense gas curtain can be formed, so as to prevent outside air from entering. The technical scheme adopted by the invention is as follows: the gas curtain device comprises a gas curtain tube, wherein a gas inlet end of the gas curtain tube is connected with a gas storage device through a first control valve; the gas curtain device further comprises a second control valve, wherein a gas inlet of the second control valve is communicated with the gas curtain tube through a first guiding tube, a gas outlet of the second control valve is communicated with the one end of a third control valve, and the other end of the third control valve is communicated with the gas curtain tube. The gas curtain device is applied to the field of coal mines.
Description
Technical field
The invention belongs to the technical field of air curtain device.
Background technology
Refuge chamber is as the important component part of underground emergency avoiding system, can resist the impact of gas explosion, isolated virulent gas, especially when down-hole occurs after mine disaster, refuge chamber can be the personnel that cannot withdraw in time safe, airtight living space is provided, and for hedging personnel provide the existence such as oxygen, food and water must thing, thereby strive for valuable rescue time for people.
Want to enter while taking refuge in chamber when hedging personnel open sealed door, extraneous air or even toxic and harmful can enter in chamber along with hedging personnel, destroy the living environment in chamber.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, and technical problem to be solved is: a kind of air curtain device is provided, makes people open sealed door and enter when indoor, can form fine and close gas curtain, stop entering of outside air.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: air curtain device, comprise air curtain tube, the inlet end of air curtain tube is connected with gas storage device by the first control valve, described air curtain device also comprises the second control valve, the air inlet port of described the second control valve is communicated with air curtain tube by the first conduit, and the gas outlet of described the second control valve is communicated with one end of the 3rd control valve, and the other end of the 3rd control valve is communicated with air curtain tube; Described the first conduit is provided with one way valve.
Described air curtain tube comprises gas transmission portion and jet portion; Described gas transmission portion comprises the second conduit, and the inlet end of the second conduit is the inlet end of described air curtain tube, and the outlet side of the second conduit is communicated with the inlet end of jet portion; Described jet portion comprises the 3rd conduit and two the 4th conduits, described the 3rd conduit is arranged at the doorframe top of sealed door, two described the 4th conduits are arranged at respectively the doorframe both sides of sealed door, and the two ends of the 3rd conduit are communicated with two the 4th conduits respectively, the inlet end of described jet portion is arranged on the 3rd conduit; On the 3rd described conduit and two the 4th conduits, all have multiple fumaroles; Described gas transmission portion is fixed on wall by least one first pipe clamp, and described jet portion is fixed on wall by least one second pipe clamp; On the second described conduit, have the first connector, the air inlet port of described the second control valve is communicated with the first connector by described the first conduit, on described the second conduit, has the second connector, and the other end of the 3rd described control valve is communicated with the second connector; The front of motor of described two the 4th conduits and the 3rd conduit is provided with pipe plug; Described the first control valve is cutting ferrule ball valve; Described the second control valve is to be arranged on sealed door and with the switching of sealed door to realize the machine control valve linking; Described the 3rd control valve is bi-bit bi-pass angle pedestal valve.
The present invention compared with prior art has following beneficial effect:
1, the present invention is applicable to various occasions, when be applied under mine refuge chamber time, adopting compressed air is air curtain device air feed, the first control valve (cutting ferrule ball valve) is normally open, the 3rd control valve (bi-bit bi-pass angle pedestal valve) is normally off, in the time that hedging personnel open sealed door and are about to enter in refuge chamber, be arranged on sealed door, and the second control valve (machine control valve) valve rod of realizing interlock with the switching of sealed door stretches, the transposition of machine control valve core, compressed air enters machine control valve through the first conduit, the gas outlet of slave control valve arrives in bi-bit bi-pass angle pedestal valve, the commutation of bi-bit bi-pass angle pedestal valve is opened, compressed air reaches jet portion the (the 3rd by gas transmission portion (the second conduit), the 4th conduit), spouting in fumarole from jet portion, form fine and close air curtain, outside outside air or toxic and harmful are blocked in, when the personnel of taking refuge enter in chamber, sealed door is while closing, the valve rod compression of machine control valve, the spool homing of machine control valve, the compressed air in the first conduit is blocked in outside machine control valve, bi-bit bi-pass angle pedestal valve resets and turn-offs, the gas circuit blocking-up of gas transmission portion, air curtain disappears.
2, in the present invention, on the first conduit, one way valve is set, has prevented the backflow of gas, after having guaranteed that bi-bit bi-pass angle pedestal valve is opened, compressed air flows to the fumarole in jet portion smoothly.
Brief description of the drawings
Below in conjunction with accompanying drawing, the present invention will be further described in detail:
Fig. 1 is structural representation of the present invention;
Fig. 2 is schematic diagram of the present invention;
In figure: 1 is air curtain tube, 2 is the first control valve, and 3 is gas storage device, 4 is the second control valve, and 5 is the first conduit, and 6 is the 3rd control valve, 7 is one way valve, 8 is the second conduit, and 9 is the 3rd conduit, and 10 is the 4th conduit, 11 is sealed door, 12 is the first pipe clamp, and 13 is the second pipe clamp, and 14 is pipe plug.
Detailed description of the invention
As shown in Figure 1 and Figure 2, air curtain device, comprises air curtain tube 1, and air curtain tube 1 can be stainless steel tube; The inlet end of air curtain tube 1 is connected with gas storage device 3 by the first control valve 2, and the first control valve 2 can be cutting ferrule ball valve, and in the present embodiment, adopting compressed air is air curtain device air feed, so gas storage device 3 can be one or more compressed air bottles; Described air curtain device also comprises that the second control valve 4, the second control valves 4 can be and is arranged on sealed door 11 and realizes the machine control valve of interlock with the switching of sealed door 11; The air inlet port of described the second control valve 4 is communicated with air curtain tube 1 by the first conduit 5, the gas outlet of described the second control valve 4 is communicated with one end of the 3rd control valve 6, the other end of the 3rd control valve 6 is communicated with air curtain tube 1, and described the 3rd control valve 6 can be bi-bit bi-pass angle pedestal valve; In order to prevent gas backstreaming, to guarantee the rear gas flow air curtain device of the 3rd control valve 6 unlatching, can on described the first conduit 5, one way valve 7 be set.
Particularly, described air curtain tube 1 can comprise gas transmission portion and jet portion, and described gas transmission portion can comprise that the inlet end of the second conduit 8, the second conduits 8 is the inlet end of described air curtain tube 1, and second outlet side of conduit 8 and the inlet end of jet portion are communicated with; On the second described conduit 8, have the first connector, the air inlet port of described the second control valve 4 is communicated with the first connector by described the first conduit (5), on described the second conduit (8), have the second connector, the other end of the 3rd described control valve (6) is communicated with the second connector.
Described jet portion can comprise the 3rd conduit 9 and two the 4th conduits 10, described the 3rd conduit 9 is arranged at the doorframe top of sealed door 11, two described the 4th conduits 10 are arranged at respectively the doorframe both sides of sealed door 11, and the two ends of the 3rd conduit 9 are communicated with two the 4th conduits 10 respectively, the inlet end of described jet portion is arranged on the 3rd conduit 9, on the 3rd described conduit 9 and two the 4th conduits 10, all has multiple fumaroles; Above-mentioned the 3rd conduit 9 and two the 4th conduits 10 form " door " word structure, make the air curtain that compressed air ejects formation from each fumarole be enough to cover whole doorframe scope, guarantee that ambient atmos cannot enter in chamber; In addition, in order to prevent gas loss, guarantee the normal operation of air curtain device, the front of motor of described two the 4th conduits 10 and the 3rd conduit 9 all can arrange pipe plug 14.
In order to make air curtain device simple installation, solid and reliable, and can carry out symmetry according to on-site actual situations and install and use, strengthen applicability, described gas transmission portion can be fixed on wall by least one the first pipe clamp 12, and described jet portion can be fixed on wall by least one the second pipe clamp 13.
The present invention is simple in structure, easy for installation, and successful has outstanding substantive distinguishing features and significant progressive; By reference to the accompanying drawings embodiments of the invention are explained in detail above, but the present invention is not limited to above-described embodiment, in the ken possessing those of ordinary skill in the art, can also under the prerequisite that does not depart from aim of the present invention, makes various variations.
Claims (10)
1. air curtain device, comprise air curtain tube (1), the inlet end of air curtain tube (1) is connected with gas storage device (3) by the first control valve (2), it is characterized in that: described air curtain device also comprises the second control valve (4), the air inlet port of described the second control valve (4) is communicated with air curtain tube (1) by the first conduit (5), the gas outlet of described the second control valve (4) is communicated with one end of the 3rd control valve (6), and the other end of the 3rd control valve (6) is communicated with air curtain tube (1).
2. air curtain device according to claim 1, is characterized in that: described the first conduit (5) is provided with one way valve (7).
3. air curtain device according to claim 1 and 2, is characterized in that: described air curtain tube (1) comprises gas transmission portion and jet portion;
Described gas transmission portion comprises the second conduit (8), and the inlet end of the second conduit (8) is the inlet end of described air curtain tube (1), and the outlet side of the second conduit (8) is communicated with the inlet end of jet portion;
Described jet portion comprises the 3rd conduit (9) and two the 4th conduits (10), described the 3rd conduit (9) is arranged at the doorframe top of sealed door (11), two described the 4th conduits (10) are arranged at respectively the doorframe both sides of sealed door (11), and the two ends of the 3rd conduit (9) are communicated with two the 4th conduits (10) respectively, and the inlet end of described jet portion is arranged on the 3rd conduit (9).
4. air curtain device according to claim 3, is characterized in that: on the 3rd described conduit (9) and two the 4th conduits (10), all have multiple fumaroles.
5. air curtain device according to claim 3, is characterized in that: described gas transmission portion is fixed on wall by least one first pipe clamp (12), and described jet portion is fixed on wall by least one second pipe clamp (13).
6. air curtain device according to claim 3, it is characterized in that: on described the second conduit (8), have the first connector, the air inlet port of described the second control valve (4) is communicated with the first connector by described the first conduit (5), on described the second conduit (8), have the second connector, the other end of the 3rd described control valve (6) is communicated with the second connector.
7. air curtain device according to claim 3, is characterized in that: described two the 4th conduits (10) are provided with pipe plug (14) with the front of motor of the 3rd conduit (9).
8. air curtain device according to claim 1 and 2, is characterized in that: described the first control valve (2) is cutting ferrule ball valve.
9. air curtain device according to claim 1 and 2, is characterized in that: described the second control valve (4) realizes for being arranged on sealed door (11) and with the switching of sealed door (11) the machine control valve linking.
10. air curtain device according to claim 1 and 2, is characterized in that: described the 3rd control valve (6) is bi-bit bi-pass angle pedestal valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410187700.6A CN103982221B (en) | 2014-05-06 | 2014-05-06 | Air curtain device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410187700.6A CN103982221B (en) | 2014-05-06 | 2014-05-06 | Air curtain device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103982221A true CN103982221A (en) | 2014-08-13 |
| CN103982221B CN103982221B (en) | 2017-01-04 |
Family
ID=51274363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410187700.6A Active CN103982221B (en) | 2014-05-06 | 2014-05-06 | Air curtain device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103982221B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135589A (en) * | 2015-09-16 | 2015-12-09 | 中船重工环境工程有限公司 | Air curtain isolating device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371038A (en) * | 2010-08-18 | 2012-03-14 | 林中选 | Mobile rescue capsule |
| CN102635397A (en) * | 2012-03-30 | 2012-08-15 | 长治清华机械厂 | Air supply device of mining rescue capsule |
| CN102644478A (en) * | 2012-03-31 | 2012-08-22 | 长治清华机械厂 | Positive pressure keeping system of escape capsule |
| CN202451207U (en) * | 2012-02-06 | 2012-09-26 | 上海捷陆流体科技有限公司 | Air curtain spraying control air supply system |
| CN102704992A (en) * | 2012-05-04 | 2012-10-03 | 安徽雄峰实业有限公司 | Transfer chamber of mine rescue capsule |
| CN203847158U (en) * | 2014-05-06 | 2014-09-24 | 长治清华机械厂 | Air curtain device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1153072A1 (en) * | 1983-05-03 | 1985-04-30 | Днепропетровский Государственный Ордена Трудового Красного Знамени Проектный Институт "Днепрогипрошахт" | Method and apparatus for consolidating voids beyond mine working supports |
-
2014
- 2014-05-06 CN CN201410187700.6A patent/CN103982221B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371038A (en) * | 2010-08-18 | 2012-03-14 | 林中选 | Mobile rescue capsule |
| CN202451207U (en) * | 2012-02-06 | 2012-09-26 | 上海捷陆流体科技有限公司 | Air curtain spraying control air supply system |
| CN102635397A (en) * | 2012-03-30 | 2012-08-15 | 长治清华机械厂 | Air supply device of mining rescue capsule |
| CN102644478A (en) * | 2012-03-31 | 2012-08-22 | 长治清华机械厂 | Positive pressure keeping system of escape capsule |
| CN102704992A (en) * | 2012-05-04 | 2012-10-03 | 安徽雄峰实业有限公司 | Transfer chamber of mine rescue capsule |
| CN203847158U (en) * | 2014-05-06 | 2014-09-24 | 长治清华机械厂 | Air curtain device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135589A (en) * | 2015-09-16 | 2015-12-09 | 中船重工环境工程有限公司 | Air curtain isolating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103982221B (en) | 2017-01-04 |
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Address after: 046012 mailbox, Changzhi, Shanxi, 6 Co-patentee after: China Academy of Launch Vehicle Technology Patentee after: Shanxi spaceflight Qinghua Equipment Co., Ltd. Address before: 046012 mailbox, Changzhi, Shanxi, 6 Co-patentee before: China Academy of Launch Vehicle Technology Patentee before: Qinghua Machinery Plant, Changzhi |
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| CP01 | Change in the name or title of a patent holder |