CN202125313U - Forced air self-rescue device for mines - Google Patents
Forced air self-rescue device for mines Download PDFInfo
- Publication number
- CN202125313U CN202125313U CN 201120241311 CN201120241311U CN202125313U CN 202125313 U CN202125313 U CN 202125313U CN 201120241311 CN201120241311 CN 201120241311 CN 201120241311 U CN201120241311 U CN 201120241311U CN 202125313 U CN202125313 U CN 202125313U
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- Prior art keywords
- reducing valve
- communicated
- pressure reducing
- valve
- valve body
- Prior art date
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- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000008676 import Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 9
- 230000006872 improvement Effects 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 14
- 230000001914 calming effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 230000006837 decompression Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000002341 toxic gas Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001473 noxious effect Effects 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses a forced air self-rescue device for mines, which comprises a pressure reducing valve communicated with an underground forced air pipeline and a breathing mask communicated with an outlet of the pressure reducing valve. An air inlet switch is arranged between the pressure reducing valve and the underground forced air pipeline. The pressure reducing valve comprises a pressure gauge, a valve body, a pressure reducing device and a filtering device, wherein the pressure reducing device and the filtering device are arranged in the valve body. Condensate water removing device communicated with the inside of the valve body is arranged below the valve body. The pressure reducing valve not only has the functions of pressure reducing, filtering, pressure displaying and a switch, but also has the function of condensate water removing, thereby effectively improving usage comfortableness. Furthermore, additional arrangement of a storage box and a channel subdivider and improvements on the breathing mask enable the forced air self-rescue device for the mines to have the functions of improving safety, preventing dust, being supplied for multiple users to use and the like. Simultaneously, the problems of action limitation of disaster escaping people, blocking out of sight lines and the like are resolved, and usage comfortableness is further improved.
Description
Technical field
The utility model relates to a kind of down-hole self-help apparatus, particularly a kind of outstanding the or anaerobic condition of the pernicious gas self-help apparatus of use is down taking place under the mines such as colliery.
Background technology
Compressed air self-help apparatus commonly used at present generally partly is made up of the pipeline 8 of calming the anger, air inlet switch 9, pressure reducer 10, protecting band 11 etc., and is as shown in Figure 2.
Pressure reducer is the key of this device, its effect be reduce pressure to calming the anger (scalable), eliminate noise, filtration, purification is calmed the anger, and guarantees the input fresh cleaning of calming the anger, make to keep away the calamity personnel and feel comfortably cool and set the mind at rest.Pressure reducer can reduce pressure calming the anger of 0.3～0.7MPa to below 0.09 MPa, supplies to keep away the calamity personnel and uses, and throughput can be regulated in 150～200L/min scope.The filter of pressure reducer generally is to process with copper based powder metallurgy material, and stable chemical performance is anticorrosion and non-corrosive is calmed the anger and overflowed through its micropore, carries out step-down, filtration, purification and reduction noise simultaneously to calming the anger.
The operating principle of existing self-help apparatus is: when occurring the outstanding omen of coal and gas under the coal mine or when outstanding, keep away the calamity personnel and arrive installation self-help apparatus place immediately, untie protecting band; Open air supply valve; Creep into rapidly in the protecting band then, the fresh air of calming the anger behind the reducing valve expenditure and pressure in the pipeline of calming the anger is full of protecting band, and its pressure reaches about 0.09MPa; The bag outer air is formed normal pressure; And the outer noxious air pressure of bag is low, then can not get in the protecting band, keeps away the unlikely infringement that receives noxious air of calamity personnel.
There is following shortcoming in existing self-help apparatus: 1. do not remove the function of condensed water, influence comfort; 2. adopt protecting band to supply the people to breathe, owing to be not the isolation type structure, keeping away the calamity personnel has the possibility that sucks toxic gas in the external environment; 3. when keeping away the calamity personnel and keeping away calamity, whole head must pierce in the protecting band, can block sight line like this, can not observe external environment, and scope of activities is limited; 4. parts such as protecting band, pressure reducer do not have external protector, receive dust easily and pollute.
To above-mentioned deficiency, need existing self-help apparatus is improved, make it possess decompression, filtration, remove condensed water, pressure display and switching function, overcome above-mentioned shortcoming, improve safety and comfortableness that self-help apparatus uses.
Summary of the invention
In view of this; The utility model provides a kind of mine compressed air self-help apparatus; Through improvement to reducing valve, make it possess decompression, filtration simultaneously, remove condensed water, pressure display and switching function, reach the safety of raising self-help apparatus use and the purpose of comfortableness.
The mine compressed air self-help apparatus of the utility model; Comprise reducing valve that is communicated with the down-hole pressure air pipe and the breathing mask that is communicated with the outlet of reducing valve; Be provided with the air inlet switch between reducing valve and the down-hole pressure air pipe; Said reducing valve comprises pressure meter, valve body, be arranged at decompressor and filter in the valve body, said valve body below be provided with is communicated with valve inner except that the condensed water device.
Further; Said mine compressed air self-help apparatus also comprises shunt; An air inlet port and at least two gas outlets are set on the said shunt, and the air inlet switch is communicated with the air inlet port of shunt, and reducing valve and import reducing valve corresponding one by one with the gas outlet of shunt is communicated with the gas outlet of shunt;
Further, said mine compressed air self-help apparatus also comprises storage box, and said air inlet switch is arranged at outside the storage box, and shunt, reducing valve and breathing mask are arranged in the storage box;
Further, said breathing mask is communicated with the outlet of reducing valve through flexible pipe, and the length of flexible pipe is more than or equal to 0.5 meter;
Further, said breathing mask is the demifacet cover;
Further, said breathing mask is provided with exhaust check valve.
The beneficial effect of utility model: the mine compressed air self-help apparatus of the utility model; Comprise reducing valve that is communicated with the down-hole pressure air pipe and the breathing mask that is communicated with the outlet of reducing valve, be provided with the air inlet switch between reducing valve and the down-hole pressure air pipe, reducing valve comprises pressure meter, valve body, is arranged at decompressor and filter in the valve body; Valve body below be provided with is communicated with valve inner except that the condensed water device; Above-mentioned reducing valve also possesses except that the condensed water function except that possessing decompression, filtration, pressure display and switching function, has effectively improved comfort; In addition; Through increasing storage box, shunt and to the improvement of breathing mask, also can play improve safety, equipment dustproof, supply effect such as many people's uses, simultaneously; Also solved and kept away calamity personnel limited, the problem such as sight line is blocked of taking action, further improved comfort.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation of self-help apparatus in the prior art.
The specific embodiment
Below will combine accompanying drawing that the utility model is described in detail, as shown in the figure: the mine compressed air self-help apparatus of present embodiment comprises reducing valve 1 that is communicated with the down-hole pressure air pipe and the breathing mask 2 that is communicated with the outlet of reducing valve 1; Be provided with air inlet switch 3 between reducing valve 1 and the down-hole pressure air pipe; Said reducing valve 1 comprises pressure meter, valve body 1a, be arranged at decompressor and filter in the valve body, and decompressor adopts decompression, the filter of being processed by copper based powder metallurgy material of the prior art with filter, said valve body 1a below be provided with valve body 1a internal communication except that condensed water device 4; Condensed water is discharged through condensed water device 4; Keep the air fresh dried, improve and keep away the comfortableness that the calamity personnel use, when occurring under the coal mine that coal and gas are given prominence to omen or when outstanding; Keep away the calamity personnel and can open air inlet switch connection pressure wind to self-help apparatus nearby; The gas of 0.3-0.7MPa gets into reducing valve in the air line, through reducing valve step-down, filtration and the fresh air after removing condensed water get into face shield through the flexible pipe of giving vent to anger, supply to keep away the calamity personnel and breathe; Pressure in the face shield can reach 0.05-0.15MPa; Therefore form normal pressure in the cover, toxic gas can not enter in the cover, guarantees to keep away the calamity personnel and can not receive the toxic and harmful infringement.
Further improvement as technique scheme; Also comprise shunt 5, an air inlet port 5a and at least two gas outlet 5b are set on the said shunt 5, air inlet switch 3 is communicated with the air inlet port 5a of shunt 5; Corresponding one by one and import reducing valve 1 of the gas outlet 5b of reducing valve 1 and shunt 5 is communicated with the gas outlet 5b of shunt 5; Present embodiment adopts 6 gas outlet 5b, can supply 6 people to use simultaneously, can be according to actual user demand; Increase or reduce the quantity of gas outlet, reach the best combination between user demand and the equipment cost.
Further improvement as technique scheme also comprises storage box 6, and said air inlet switch 3 is arranged at outside the storage box 6, is convenient to keep away the calamity personnel and carries out switching manipulation, and shunt 5, reducing valve 1 and breathing mask 2 are arranged in the storage box 6, can be effectively dustproof.
Further improvement as technique scheme; Said breathing mask 2 is communicated with the outlet of reducing valve 1 through flexible pipe 7; The length of flexible pipe 7 adopts the flexible pipe that certain-length is arranged to connect breathing mask more than or equal to 0.5 meter, makes the calamity personnel activity within the specific limits that keeps away.
As the further improvement of technique scheme, said breathing mask 2 is the demifacet cover, and is easy to use comfortable; Do not keep off sight line, behind the headband that is locked, breathing mask can be close to the face sealing basically; With respect to protecting band of the prior art, formed the isolation type structure, avoid poison gas to get into face shield.
As the further improvement of technique scheme, said breathing mask 2 is provided with exhaust check valve 2a, and the waste gas of exhalation is discharged through one way valve, and when formation in the excessive face shield of gas supply flow was just being ventilated, unnecessary gas also can be discharged through one way valve.
Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the aim and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (6)
1. mine compressed air self-help apparatus; Comprise reducing valve (1) that is communicated with the down-hole pressure air pipe and the breathing mask (2) that is communicated with the outlet of reducing valve (1); Be provided with air inlet switch (3) between reducing valve (1) and the down-hole pressure air pipe; Said reducing valve (1) comprises pressure meter, valve body (1a), be arranged at decompressor and filter in the valve body, it is characterized in that: said valve body (1a) below be provided with valve body (1a) internal communication remove condensed water device (4).
2. mine compressed air self-help apparatus according to claim 1; It is characterized in that: also comprise shunt (5); An air inlet port (5a) and at least two gas outlets (5b) are set on the said shunt (5); Air inlet switch (3) is communicated with the air inlet port (5a) of shunt (5), and reducing valve (1) and import reducing valve (1) corresponding one by one with the gas outlet (5b) of shunt (5) is communicated with the gas outlet (5b) of shunt (5).
3. mine compressed air self-help apparatus according to claim 2; It is characterized in that: also comprise storage box (6); Said air inlet switch (3) is arranged at outside the storage box (6), and shunt (5), reducing valve (1) and breathing mask (2) are arranged in the storage box (6).
4. according to claim 1,2 or 3 described mine compressed air self-help apparatus, it is characterized in that: said breathing mask (2) is communicated with the outlet of reducing valve (1) through flexible pipe (7), and the length of flexible pipe (7) is more than or equal to 0.5 meter.
5. mine compressed air self-help apparatus according to claim 4 is characterized in that: said breathing mask (2) is the demifacet cover.
6. mine compressed air self-help apparatus according to claim 5 is characterized in that: said breathing mask (2) is provided with exhaust check valve (2a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120241311 CN202125313U (en) | 2011-07-11 | 2011-07-11 | Forced air self-rescue device for mines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120241311 CN202125313U (en) | 2011-07-11 | 2011-07-11 | Forced air self-rescue device for mines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202125313U true CN202125313U (en) | 2012-01-25 |
Family
ID=45488384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120241311 Expired - Fee Related CN202125313U (en) | 2011-07-11 | 2011-07-11 | Forced air self-rescue device for mines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202125313U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103394172A (en) * | 2013-06-27 | 2013-11-20 | 安徽山河矿业装备股份有限公司 | Positive pressure respirator |
| CN112696228A (en) * | 2020-12-25 | 2021-04-23 | 武汉钢铁集团宏信置业发展有限公司 | Compressed air water supply self-rescue station system in mine |
-
2011
- 2011-07-11 CN CN 201120241311 patent/CN202125313U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103394172A (en) * | 2013-06-27 | 2013-11-20 | 安徽山河矿业装备股份有限公司 | Positive pressure respirator |
| CN112696228A (en) * | 2020-12-25 | 2021-04-23 | 武汉钢铁集团宏信置业发展有限公司 | Compressed air water supply self-rescue station system in mine |
| CN112696228B (en) * | 2020-12-25 | 2022-11-04 | 武汉钢铁集团宏信置业发展有限公司 | Compressed air water supply self-rescue station system in mine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA COAL TECHNOLOGY ENGINEERING GROUP CHONGQING Free format text: FORMER NAME: CHINA COAL SCIENCE AND INDUSTRY GROUP CHONGQING RESEARCH INSTITUTE |
|
| CP03 | Change of name, title or address |
Address after: 400039 Chongqing Jiulongpo Branch City Road No. 6 Patentee after: CCTEG CHONGQING RESEARCH INSTITUTE Co.,Ltd. Address before: 400039 Chongqing Jiulongpo Erlang Branch City Road No. 6 Patentee before: Chongqing Research Institute of China Coal Technology & Engineering Group Corp. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120125 Termination date: 20160711 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |