CN103982221B - Air curtain device - Google Patents
Air curtain device Download PDFInfo
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- CN103982221B CN103982221B CN201410187700.6A CN201410187700A CN103982221B CN 103982221 B CN103982221 B CN 103982221B CN 201410187700 A CN201410187700 A CN 201410187700A CN 103982221 B CN103982221 B CN 103982221B
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- control valve
- air curtain
- conduit
- curtain device
- tube
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Abstract
The invention belongs to the technical field of air curtain device；Solve the technical problem that for: provide a kind of air curtain device so that people open sealed door when entering indoor, it is possible to form fine and close gas curtain, stop the entrance of outside air；The technical scheme used is: air curtain device, including 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 includes the second control valve, the air inlet of described second control valve is connected with air curtain tube by the first conduit, the gas outlet of described second control valve connects with one end of the 3rd control valve, and the other end of the 3rd control valve connects with air curtain tube；The present invention is applicable to field, colliery.
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 urgent danger prevention system, the impact of gas explosion can be resisted, completely cut off virulent gas, especially after down-hole occurs mine disaster, refuge chamber can be that the personnel that cannot withdraw in time provide safety, airtight vivosphere, and provide for hedging personnel the existence such as oxygen, food and water necessary thing, thus strive for the rescue time of preciousness for people.
When taking refuge during hedging personnel open sealed door chamber to be entered, extraneous air even toxic and harmful can enter in chamber along with hedging personnel, destroys the living environment in chamber.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, technical problem to be solved to be: provide a kind of air curtain device so that people open sealed door when entering indoor, it is possible to form fine and close gas curtain, stop the entrance of outside air.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is: air curtain device, including 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 includes the second control valve, the air inlet of described second control valve is connected with air curtain tube by the first conduit, and the gas outlet of described second control valve connects with one end of the 3rd control valve, and the other end of the 3rd control valve connects with air curtain tube；Described first conduit is provided with check valve.
Described air curtain tube includes gas transmission portion and jet portion；Described gas transmission portion includes that the second conduit, the inlet end of the second conduit are the inlet end of described air curtain tube, and the outlet side of the second conduit connects with the inlet end in jet portion；Described jet portion includes the 3rd conduit and two the 4th conduits, described 3rd conduit is arranged at above the doorframe of sealed door, two described the 4th conduits are respectively arranged at the doorframe both sides of sealed door, and the 3rd the two ends of conduit connect with two the 4th conduits respectively, the inlet end in described jet portion is arranged on the 3rd conduit；Multiple fumarole is all had on the 3rd described conduit and two the 4th conduits；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；Having the first connector on the second described conduit, the air inlet of described second control valve is connected by described first conduit and the first connector, and described second conduit has the second connector, the other end of the 3rd described control valve and the connection of the second connector；The front of motor of described two the 4th conduits and the 3rd conduit is provided with pipe plug；Described first control valve is cutting ferrule ball valve；Described second control valve is to be arranged on sealed door and realize the machine control valve of linkage with the opening and closing of sealed door；Described 3rd control valve is bi-bit bi-pass angle pedestal valve.
The present invention compared with prior art has the advantages that
null1、The present invention is applicable to various occasion，When the refuge chamber being applied under mine，Using compressed air is air curtain device supply，First control valve (cutting ferrule ball valve) is normally open，3rd control valve (bi-bit bi-pass angle pedestal valve) is normally off，When hedging personnel open sealed door will enter in refuge chamber time，It is arranged on sealed door、And the second control valve (machine control valve) the valve rod stretching of the opening and closing realization linkage with sealed door，Machine control valve core replaces，Compressed air enters machine control valve through the first conduit，Arrive bi-bit bi-pass angle pedestal valve from the gas outlet of machine control 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)、4th conduit)，In fumarole from jet portion spouting，Form fine and close air curtain，Outside outside air or toxic and harmful are blocked in；When during the personnel of taking refuge enter chamber, sealed door close time, machine control valve valve rod compression, 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 reset turn off, gas transmission portion gas circuit block, air curtain disappear.
2, in the present invention, the first conduit arranges check valve, it is therefore prevented that the backflow of gas, it is ensured that after bi-bit bi-pass angle pedestal valve is opened, compressed air flows to the fumarole in jet portion smoothly.
Accompanying drawing explanation
The present invention will be further described in detail below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the 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, and 4 is the second control valve, and 5 is the first conduit, 6 is the 3rd control valve, and 7 is check valve, and 8 is the second conduit, and 9 is the 3rd conduit, and 10 is the 4th conduit, 11 is sealed door, and 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, including air curtain tube 1, 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 using compressed air in the present embodiment is air curtain device supply, so gas storage device 3 can be one or more compressed air bottle；Described air curtain device also includes that the second control valve 4, the second control valve 4 can be to be arranged on sealed door 11 and realize the machine control valve of linkage with the opening and closing of sealed door 11；The air inlet of described second control valve 4 is connected with air curtain tube 1 by the first conduit 5, the described gas outlet of the second control valve 4 connects with one end of the 3rd control valve 6, the other end of the 3rd control valve 6 connects with air curtain tube 1, and described 3rd control valve 6 can be bi-bit bi-pass angle pedestal valve；In order to prevent gas backstreaming, guarantee the 3rd control valve 6 open after gas flow air curtain device, check valve 7 can be set on described first conduit 5.
Specifically, described air curtain tube 1 can include that gas transmission portion and jet portion, described gas transmission portion can include that the second conduit 8, the inlet end of the second conduit 8 are the inlet end of described air curtain tube 1, and the outlet side of the second conduit 8 connects with the inlet end in jet portion；The first connector is had on the second described conduit 8, the air inlet of described second control valve 4 is connected with the first connector by described first conduit 5, the second connector, the other end of the 3rd described control valve 6 and the connection of the second connector is had on described second conduit 8.
Described jet portion can include the 3rd conduit 9 and two the 4th conduits 10, described 3rd conduit 9 is arranged at above the doorframe of sealed door 11, two described the 4th conduits 10 are respectively arranged at the doorframe both sides of sealed door 11, and the 3rd the two ends of conduit 9 connect with two the 4th conduits 10 respectively, the inlet end in described jet portion is arranged on the 3rd conduit 9, and the 3rd described conduit 9 and two the 4th conduits 10 all have multiple fumarole；Above-mentioned 3rd conduit 9 and two the 4th conduits 10 form " door " word structure so that compressed air ejects the air curtain of formation from each fumarole and be enough to cover whole doorframe scope, it is ensured that ambient atmos cannot be introduced in chamber；Additionally, in order to prevent gas loss, guarantee the properly functioning 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 being symmetrically installed use, strengthening the suitability according to on-site actual situations, described gas transmission portion can be fixed on wall by least one first pipe clamp 12, and described jet portion can be fixed on wall by least one second pipe clamp 13.
Present configuration is simple, easy for installation, and effect is obvious, has prominent substantive distinguishing features and significantly progress；Above in conjunction with accompanying drawing, embodiments of the invention are explained in detail, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art are possessed, it is also possible to various changes can be made on the premise of without departing from present inventive concept.
Claims (6)
1. air curtain device, including 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 includes the second control valve (4), the air inlet of described second control valve (4) is connected with air curtain tube (1) by the first conduit (5), the gas outlet of described second control valve (4) connects with one end of the 3rd control valve (6), the other end of the 3rd control valve (6) connects with air curtain tube (1), and described first conduit (5) is provided with check valve (7)；
Described air curtain tube (1) includes that gas transmission portion and jet portion, described gas transmission portion include the inlet end that the second conduit (8), the inlet end of the second conduit (8) are described air curtain tube (1), and the outlet side of the second conduit (8) connects with the inlet end in jet portion；Described jet portion includes the 3rd conduit (9) and two the 4th conduits (10), described 3rd conduit (9) is arranged at above the doorframe of sealed door (11), two described the 4th conduits (10) are respectively arranged at the doorframe both sides of sealed door (11), and the 3rd the two ends of conduit (9) connect with two the 4th conduits (10) respectively, the inlet end in described jet portion is arranged on the 3rd conduit (9)；Multiple fumarole is all had on the 3rd described conduit (9) and two the 4th conduits (10)；
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).
Air curtain device the most according to claim 1, it is characterized in that: on described the second conduit (8), have the first connector, the air inlet of described second control valve (4) is connected with the first connector by described first conduit (5), the second connector, the other end of the 3rd described control valve (6) and the connection of the second connector is had on described second conduit (8).
Air curtain device the most according to claim 1, it is characterised in that: described two the 4th conduits (10) are provided with pipe plug (14) with the front of motor of the 3rd conduit (9).
Air curtain device the most according to claim 1, it is characterised in that: described first control valve (2) is cutting ferrule ball valve.
Air curtain device the most according to claim 1, it is characterised in that: described second control valve (4) is to be arranged on sealed door (11) and realize the machine control valve of linkage with the opening and closing of sealed door (11).
Air curtain device the most according to claim 1, it is characterised in that: described 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 CN103982221A (en) | 2014-08-13 |
| CN103982221B true CN103982221B (en) | 2017-01-04 |
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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) |
Families Citing this family (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 (7)
| 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 |
| 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 |
-
2014
- 2014-05-06 CN CN201410187700.6A patent/CN103982221B/en active Active
Patent Citations (7)
| 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 |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN103982221A (en) | 2014-08-13 |
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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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