CN202531232U - Air supply device used for mine escape capsule - Google Patents

Abstract

The utility model relates to an air supply device for mine rescue cabins, which belongs to the technical field of mine rescue cabin supply systems. The technical problem to be solved is to provide an air supply device for mine rescue cabins with simple structure, convenient operation, and safe and reliable use. , the technical scheme adopted is: it is composed of a mine pressurized air supply system in the cabin, a nitrogen supplement system in the cabin, and a door air curtain and spray system. The cabin body is composed of a transition cabin and a survival cabin, and the transition cabin is provided with a hatch. The mine compressed air supply system includes the mine compressed air inlet, the mine compressed air control ball valve, the first air filter, the first pressure reducing valve, the check valve and the air outlet in the cabin. The mine compressed air inlet passes through the first A pipeline is connected with the air outlet in the cabin. A mine pressure air control ball valve is installed at the mine pressure air inlet. A first air filter, a first pressure reducing valve and a one-way valve are arranged in sequence on the first pipeline. The utility model is mainly used for the supply system of the rescue cabin.

Description

Air supply device for a mine rescue cabin

technical field

The utility model relates to an air supply device for a mine rescue cabin, which belongs to the technical field of mine rescue cabin supply systems.

Background technique

As a kind of safety emergency rescue equipment, the mine rescue cabin can provide a closed living space for miners who cannot evacuate the mine in time when a disaster occurs, and buy time for rescue. , There are many operations, it is easy to cause misoperation, and it brings certain difficulties to the hedging personnel.

Utility model content

The utility model overcomes the deficiencies in the prior art, and the technical problem to be solved is to provide an air supply device for a mining rescue chamber with a simple structure, convenient operation, and safe and reliable use.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is: an air supply device for a mine rescue cabin, which consists of a mine compressed air supply system in the cabin, a nitrogen supplement system in the cabin, and an air curtain and spray system for the cabin door. The cabin body is composed of a transition cabin and a survival cabin, the transition cabin is provided with a hatch door, and the mine compressed air supply system includes a mine compressed air inlet, a mine compressed air control ball valve, a first air filter , a first pressure reducing valve, a one-way valve and an air outlet in the cabin, the mine air inlet is connected with the air outlet in the cabin through the first pipeline, and the mine air inlet is provided with a mine pressure air inlet. An air control ball valve, the first air filter, the first decompression valve and the one-way valve are sequentially arranged on the first pipeline;

The nitrogen replenishment system in the cabin includes a high-pressure steel cylinder, a bottle valve, a pressure reducer, a second air filter and a nitrogen supplement control ball valve, and the high-pressure steel cylinder communicates with the air outlet in the cabin through a second pipeline, and the second A bottle valve, a pressure reducer, a second air filter and a nitrogen supplement control ball valve are sequentially arranged on the pipeline, and a third pipeline is arranged between the second air filter and the nitrogen supplement control ball valve, and the third pipeline It communicates with the first pipeline, the connection point between the third pipeline and the first pipeline is located between the first air filter and the first pressure reducing valve, a shuttle valve is arranged on the third pipeline, and the The shuttle valve is connected with the air curtain in the cabin and the sprinkler system through the fourth pipeline;

The air curtain and spray system in the cabin includes: a second pressure reducing valve, a spray control ball valve, a spray device, a mechanical control valve, a two-position two-way valve and a super air knife, and the super air knife is installed on the hatch Above the inner side, the spraying device is installed above the interior of the transition chamber, the fourth pipeline is provided with a second pressure reducing valve, the fourth pipeline has two branches, and one branch passes through the mechanical control valve and the two-position two-way The through valve is connected with the super air knife, and the other branch is connected with the spray device through the spray control ball valve.

A pressure gauge is arranged on the first pipeline, and the pressure gauge is located between the connection point between the third pipeline and the first pipeline and the first pressure reducing valve.

A muffler is arranged at the air outlet in the cabin.

Compared with the prior art, the utility model has the following beneficial effects.

1. The utility model has simple structure and convenient operation, reduces the laying of pipelines in the cabin, and is safe and reliable to avoid misoperation.

2. There are two air supply modes for the air curtain and sprinkler system in the cabin of the utility model, the mine pressure air supply system and the cabin nitrogen supplement system, and the mine pressure air supply system can be preferentially used for air supply through the shuttle valve control , and can automatically switch to the nitrogen supply system in the cabin when the mine pressure air supply system is damaged, which is more convenient and reliable to use.

3. In the utility model, the super air knife is controlled by the hatch door. When the hatch door is opened, the super air knife automatically opens to form an air curtain. When the hatch door is closed, the super air knife automatically closes.

4. In the utility model, a muffler is provided at the air outlet in the cabin, so that the noise in the cabin is lower than 70dB (A), which meets the construction requirements of the emergency avoidance system in the coal mine.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described.

Fig. 1 is a schematic diagram of the utility model.

In the figure: 1 is the cabin body, 2 is the mine pressurized air supply system, 3 is the nitrogen supplement system in the cabin, 4 is the spray system, 5 is the transition cabin, 6 is the survival cabin, 7 is the hatch door, and 8 is the mine pressure Air inlet, 9 is the mine pressure air control ball valve, 10 is the first air filter, 11 is the first pressure reducing valve, 12 is a one-way valve, 13 is the air outlet in the cabin, 14 is the first pipeline, 15 16 is a cylinder valve, 17 is a pressure reducer, 18 is a second air filter, 19 is a nitrogen supplement control ball valve, 20 is a third pipeline, 21 is a shuttle valve, 22 is a fourth pipeline, 23 24 is a spray control ball valve, 25 is a spray device, 26 is a machine control valve, 27 is a two-position two-way valve, 28 is a super air knife, and 29 is a pressure gauge.

Detailed ways

As shown in Figure 1, an air supply device for a mine rescue cabin is composed of a mine pressure air supply system 2 in a cabin body 1, a nitrogen supplement system 3 in the cabin, and a door air curtain and spray system 4. The body 1 is composed of a transition cabin 5 and a survival cabin 6. The transition cabin 5 is provided with a hatch 7. The mine pressure air supply system 2 includes a mine pressure air inlet 8, a mine pressure air control ball valve 9, a first Air filter 10, first decompression valve 11, one-way valve 12 and air outlet 13 in the cabin, described mine pressure air inlet 8 is communicated with the air outlet 13 in the cabin through the first pipeline 14, described mine A mine pressure air control ball valve 9 is provided at the air inlet 8, and the first pipeline 14 is provided with a first air filter 10, a first pressure reducing valve 11 and a one-way valve 12 in sequence;

The nitrogen supplement system 3 in the cabin includes a high-pressure steel cylinder 15, a bottle valve 16, a pressure reducer 17, a second air filter 18 and a nitrogen supplement control ball valve 19, and the high-pressure steel cylinder 15 is connected to the outlet in the cabin through the second pipeline 16. The air port 13 is connected, and the second pipeline 16 is sequentially provided with a bottle valve 16, a pressure reducer 17, a second air filter 18 and a nitrogen supplement control ball valve 19, and the second air filter 18 and the nitrogen supplement control ball valve A third pipeline 20 is arranged between the ball valves 19, the third pipeline 20 communicates with the first pipeline 14, and the connection point between the third pipeline 20 and the first pipeline 14 is located at the first air filter Between 10 and the first decompression valve 11, the third pipeline 20 is provided with a shuttle valve 21, and the shuttle valve 21 is connected with the cabin air curtain and the spray system 4 through the fourth pipeline 22;

The air curtain and spray system 4 in the cabin includes: a second pressure reducing valve 23, a spray control ball valve 24, a spray device 25, a machine-controlled valve 26, a two-position two-way valve 27 and a super air knife 28. The super air knife 28 is installed above the inner side of the cabin door 7, the spray device 25 is installed above the interior of the transition cabin 5, the fourth pipeline 22 is provided with a second pressure relief valve 23, and the fourth pipeline 22 There are two branches, one branch communicates with the super air knife 28 through the machine control valve 26 and the two-position two-way valve 27, and the other branch communicates with the spray device 25 through the spray control ball valve 24.

A pressure gauge 29 is provided on the first pipeline 14 , and the pressure gauge 29 is located between the connection point between the third pipeline 20 and the first pipeline 14 and the first pressure reducing valve 11 .

The air outlet 13 in the cabin is provided with a muffler.

There are two high-pressure steel cylinders and two pressure reducers in the nitrogen supplement system in the cabin of the utility model.

The working process of the utility model is: when a mine disaster occurs, the refugee opens the hatch 7 to enter the rescue cabin, the machine-controlled valve 26 automatically opens the super air knife 28, and the super air knife 28 forms an air curtain to isolate the external toxic gas from entering, and the refugee personnel Enter the transition cabin 5, open the spray control ball valve 24, the spray device 25 sprays the refugees, removes dust and purges and dilutes the harmful gases for the refugees, the refugees enter the survival cabin 6, and the mine compressed air supply system 2 air supply, because the nitrogen supplement system 3 in the cabin is provided with a pressure reducer 17, the air supply pressure of the nitrogen supplement system 3 in the cabin is lower than the air supply pressure of the mine pressurized air supply system 2, and the shuttle valve 9 selects the air supply according to the pressure of the air source Gas, the gas supply of the mine compressed air supply system 2 is preferred. When the mine compressed air supply system 2 is damaged, the air supply pressure of the mine compressed air supply system 2 is lower than the air supply pressure of the nitrogen supplement system 3 in the cabin, and the shuttle The valve 9 blocks the mine compressed air supply system 2, and the refugee opens the nitrogen supply control ball valve 19 to supply gas through the nitrogen supply system 3 in the cabin, so as to ensure that the refugee has a good refuge environment.

The above embodiments of the utility model have been described in detail in conjunction with the accompanying drawings, but the utility model is not limited to the above-mentioned embodiments. Make various changes below.

Claims (3)

1. mining survival capsule air feeder; Form by mending nitrogen system (3) and hatch door air curtain and spray system (4) in the interior mine compressed air air supply system of cabin body (1) (2), the cabin; Said cabin body (1) is made up of transfer chamber (5) and existence cabin (6); Said transfer chamber (5) is provided with hatch door (7); It is characterized in that: said mine compressed air air supply system (2) comprises gas outlet (13) in mine compressed air air inlet port (8), mine compressed air control ball valve (9), first air filter (10), first reducing valve (11), one way valve (12) and the cabin; Said mine compressed air air inlet port (8) is connected through gas outlet (13) in first pipeline (14) and the cabin; Said mine compressed air air inlet port (8) locates to be provided with mine compressed air control ball valve (9), is disposed with first air filter (10), first reducing valve (11) and one way valve (12) on said first pipeline (14);

Mending nitrogen system (3) in the said cabin comprises high-pressure cylinder (15), cylinder valve (16), pressure reducer (17), second air filter (18) and mends nitrogen control ball valve (19); Said high-pressure cylinder (15) is connected through gas outlet (13) in second pipeline (16) and the cabin; Be disposed with cylinder valve (16), pressure reducer (17), second air filter (18) on said second pipeline (16) and mend nitrogen control ball valve (19); Be provided with the 3rd pipeline (20) between said second air filter (18) and the benefit nitrogen control ball valve (19); Said the 3rd pipeline (20) is connected with first pipeline (14); The tie point of said the 3rd pipeline (20) and first pipeline (14) is positioned between first air filter (10) and first reducing valve (11); Said the 3rd pipeline (20) is provided with shuttle valve (21), and said shuttle valve (21) is connected with spray system (4) through air curtain in the 4th pipeline (22) and the cabin;

Air curtain and spray system (4) comprising in the said cabin: second reducing valve (23), spray control ball valve (24), spray equipment (25), machine control valve (26), two position two-way valve (27) and super air knife (28); Said super air knife (28) is installed in hatch door (7) inside front; Said spray equipment (25) is installed in transfer chamber (5) inner and upper; Said the 4th pipeline (22) is provided with second reducing valve (23); Said the 4th pipeline (22) has two-way branch; One tunnel branch is connected with super air knife (28) through machine control valve (26) and two position two-way valve (27), and another road branch is connected with spray equipment (25) through spray control ball valve (24).

2. a kind of mining survival capsule air feeder according to claim 1; It is characterized in that: said first pipeline (14) is provided with pressure meter (29), and said pressure meter (29) is positioned between the tie point and first reducing valve (11) of the 3rd pipeline (20) and first pipeline (14).

3. a kind of mining survival capsule air feeder according to claim 1 and 2, it is characterized in that: noise damper is located to be provided with in gas outlet in the said cabin (13).

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