CN215309831U - Carbon dioxide fire extinguishing system for coal mine - Google Patents
Carbon dioxide fire extinguishing system for coal mine Download PDFInfo
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- CN215309831U CN215309831U CN202120647904.9U CN202120647904U CN215309831U CN 215309831 U CN215309831 U CN 215309831U CN 202120647904 U CN202120647904 U CN 202120647904U CN 215309831 U CN215309831 U CN 215309831U
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Abstract
The utility model discloses a carbon dioxide fire extinguishing systems for coal mine includes: the liquid carbon dioxide gas storage tank, the heating jar, the buffer tank, the surge damping valve, a weighing sensor, the shower nozzle, the pressure gauge, injection pipeline and flowmeter, the top of heating jar is equipped with the feed inlet, the bottom of heating jar is equipped with the discharge gate, the liquid carbon dioxide gas storage tank passes through the pipeline and is connected with the feed inlet of heating jar, the discharge gate of heating jar passes through the pipeline and is connected with the buffer tank, the buffer tank passes through the pipeline and the air inlet end fixed connection of surge damping valve, still be equipped with temperature sensor on the pipeline between buffer tank and the surge damping valve, the end of giving vent to anger of surge damping valve passes through injection pipeline fixed connection, the pressure gauge can detect the pressure of the carbon dioxide of surge damping valve end output and normally, the one end that the surge damping valve was kept away from to the injection pipeline links to each other with the shower nozzle, still install pressure gauge and flowmeter on the injection pipeline.
Description
Technical Field
The present disclosure relates to a carbon dioxide fire extinguishing system for coal mines.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Coal mine fire disasters are one of three major disasters affecting coal mine safety production, and particularly for coal mines with coal spontaneous combustion and ignition tendencies, the coal mine fire disasters are particularly important for preventing fire disasters. At present, most coal mine gas fire extinguishing equipment is a carbon dioxide fire extinguisher and a gas separation nitrogen making machine, the carbon dioxide fire extinguisher has small gas storage amount and is not suitable for large-area fire, the gas separation nitrogen making machine has a complex structure and high nitrogen making cost, and when fire occurs in a coal mine, a fire extinguishing device part is easy to lay underground.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the disclosure provides a carbon dioxide fire extinguishing system for a coal mine.
The utility model aims at providing a carbon dioxide fire extinguishing systems for coal mine transports liquid carbon dioxide through utilizing the tank car, has guaranteed carbon dioxide's sufficiency to extinguishing device all lays in advance, and the convenience is handled when the condition of a fire takes place.
In order to achieve the purpose, the following technical scheme is adopted in the disclosure:
a carbon dioxide fire suppression system for coal mines, comprising: the device comprises a liquid carbon dioxide gas storage tank, a heating tank, a buffer tank, a pressure stabilizing valve, a temperature sensor, a spray head, a pressure gauge, an injection pipeline and a flow meter, wherein a feed inlet is formed in the top of the heating tank, a discharge outlet is formed in the bottom of the heating tank, the liquid carbon dioxide gas storage tank is connected with the feed inlet of the heating tank through a pipeline, the heating tank is heated in a water bath manner, the discharge outlet of the heating tank is connected with the buffer tank through a pipeline, the buffer tank is fixedly connected with the air inlet end of the pressure stabilizing valve through a pipeline, the temperature sensor is further arranged on the pipeline between the buffer tank and the pressure stabilizing valve and used for detecting the temperature in the buffer tank to ensure that the temperature of the carbon dioxide is normally output, the air outlet end of the pressure stabilizing valve is fixedly connected through the injection pipeline, the pressure gauge can detect the pressure of the carbon dioxide output by the air outlet end of the pressure stabilizing valve, and one end, far away from the pressure stabilizing valve, of the injection pipeline is connected with the spray head, the injection pipeline is also provided with a pressure gauge and a flow meter, the pressure gauge can detect the normal pressure of the carbon dioxide output from the air outlet end of the pressure stabilizing valve, and the flow meter can monitor the flow in the injection pipeline in real time.
Further, still include the transport vechicle, the transport vechicle can be dismantled with liquid carbon dioxide gas holder and be connected, the transport vechicle carries the liquid carbon dioxide gas holder, guarantees that the supply volume of liquid carbon dioxide is normal.
Furthermore, the injection pipeline is fixedly connected with the underground part of the coal mine, so that the injection pipeline is laid under the coal mine, and the fire is extinguished in time when a fire disaster occurs.
Further, still be equipped with the stop valve between buffer tank and the heating jar, utilize the stop valve can cut off being connected between buffer tank and the heating jar, when carbon dioxide in the liquid carbon dioxide gas holder consumed and finishes, can close the stop valve earlier, with buffer tank and heating jar disconnection, prevent to get into a large amount of air in the buffer tank, influence the concentration of carbon dioxide.
Compared with the prior art, the beneficial effect of this disclosure is:
1. this openly transports liquid carbon dioxide gas holder through the freight train, has guaranteed the sufficiency of carbon dioxide to the utilization is fixed the injection pipe in the pit of colliery, can fix the injection pipe in advance, can't carry out laying of fire control pipeline when preventing the conflagration from taking place.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic structural view of the present disclosure;
wherein: 1. the device comprises a transport vehicle, 2, a liquid carbon dioxide gas storage tank, 3, a heating tank, 4, a stop valve, 5, a buffer tank, 6, a temperature sensor, 7, a pressure stabilizing valve, 8, a pressure gauge, 9, a flowmeter, 10, an injection pipeline, 11 and a spray head.
The specific implementation mode is as follows:
the present disclosure is further described with reference to the following drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.
Example 1
A carbon dioxide fire suppression system for coal mines, as shown in fig. 1, comprising: the device comprises a liquid carbon dioxide gas storage tank 2, a heating tank 3, a buffer tank 5, a pressure stabilizing valve 7, a temperature sensor 6, a spray head 11, a pressure gauge 8, an injection pipeline 10 and a flow meter 9, wherein a feed inlet is arranged at the top of the heating tank 3, a discharge outlet is arranged at the bottom of the heating tank 3, the liquid carbon dioxide gas storage tank 2 is connected with the feed inlet of the heating tank 3 through a pipeline, the heating tank 3 is heated by water bath, the discharge outlet of the heating tank 3 is connected with the buffer tank 5 through a pipeline, the buffer tank 5 is fixedly connected with the air inlet end of the pressure stabilizing valve 7 through a pipeline, the pipeline between the buffer tank 5 and the pressure stabilizing valve 7 is also provided with the temperature sensor 6, the temperature sensor 6 detects the temperature in the buffer tank 5 to ensure the normal output of the carbon dioxide temperature, the air outlet end of the pressure stabilizing valve 7 is fixedly connected with the injection pipeline 10, the pressure gauge 8 can detect the normal pressure of the carbon dioxide output by the air outlet end of the pressure stabilizing valve 7, one end of the injection pipeline 10, far away from the pressure stabilizing valve 7, is connected with the spray head 11, the injection pipeline 10 is further provided with a pressure gauge 8 and a flow meter 9, the pressure gauge 8 can detect that the pressure of the carbon dioxide output from the air outlet end of the pressure stabilizing valve 7 is normal, and the flow meter 9 can monitor the flow in the injection pipeline 10 in real time.
Still include transport vechicle 1, transport vechicle 1 can dismantle with liquid carbon dioxide gas holder 2 and be connected, and transport vechicle 1 carries liquid carbon dioxide gas holder 2, guarantees that liquid carbon dioxide's supply volume is normal.
The injection pipeline 10 is fixedly connected with the interior of the underground coal mine, so that the injection pipeline 10 is laid under the coal mine, and the fire is extinguished in time when a fire disaster occurs.
Still be equipped with stop valve 4 between buffer tank 5 and the heating jar 3, utilize stop valve 4 can cut off being connected between buffer tank 5 and the heating jar 3, when the carbon dioxide consumption in liquid carbon dioxide gas holder 2 finishes, can close stop valve 4 earlier, with buffer tank 5 and the disconnection of heating jar 3, prevent to get into a large amount of air in the buffer tank 5, influence the concentration of carbon dioxide.
The utility model discloses at the in-process of work, when the conflagration breaing out, transport vechicle 1 transports liquid carbon dioxide gas holder 2 to heating jar 3 next door, utilizes the pipeline to link to each other liquid carbon dioxide gas holder 2 with heating jar 3, then opens liquid carbon dioxide gas holder 2, and liquid carbon dioxide gets into heating jar 3 and forms carbon dioxide gas after the water bath heating, flows into buffer tank 5, and after the carbon dioxide gas in buffer tank 5 reached certain concentration, opens pressure stabilizing valve 7, and carbon dioxide passes through pressure stabilizing valve 7 and injection pipe, jets out from shower nozzle 11 for gaseous fire extinguishing.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.
Claims (4)
1. A carbon dioxide fire extinguishing system for coal mines is characterized by comprising: liquid carbon dioxide gas holder, heating tank, buffer tank, surge damping valve, temperature sensor, shower nozzle, pressure gauge, injection pipeline and flowmeter, the top of heating tank is equipped with the feed inlet, the bottom of heating tank is equipped with the discharge gate, the liquid carbon dioxide gas holder passes through the pipeline and is connected with the feed inlet of heating tank, the heating tank adopts the water bath heating, the discharge gate of heating tank passes through the pipeline and is connected with the buffer tank, the buffer tank passes through the pipeline and is connected with the air inlet end fixed connection of surge damping valve, still be equipped with temperature sensor on the pipeline between buffer tank and the surge damping valve, the end of giving vent to anger of surge damping valve passes through injection pipeline fixed connection, the one end that the surge damping valve was kept away from to the injection pipeline links to each other with the shower nozzle, still install pressure gauge and flowmeter on the injection pipeline.
2. A carbon dioxide fire extinguishing system for coal mines as set forth in claim 1 further comprising a transport vehicle, said transport vehicle being detachably connected to the liquid carbon dioxide storage tank.
3. The carbon dioxide fire extinguishing system for the coal mine according to claim 1, wherein the spraying pipe is fixedly connected with the interior of the coal mine underground.
4. A carbon dioxide fire extinguishing system for coal mines as set forth in claim 1, wherein a stop valve is further provided between the buffer tank and the heating tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120647904.9U CN215309831U (en) | 2021-03-31 | 2021-03-31 | Carbon dioxide fire extinguishing system for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120647904.9U CN215309831U (en) | 2021-03-31 | 2021-03-31 | Carbon dioxide fire extinguishing system for coal mine |
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| Publication Number | Publication Date |
|---|---|
| CN215309831U true CN215309831U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120647904.9U Active CN215309831U (en) | 2021-03-31 | 2021-03-31 | Carbon dioxide fire extinguishing system for coal mine |
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| Country | Link |
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| CN (1) | CN215309831U (en) |
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2021
- 2021-03-31 CN CN202120647904.9U patent/CN215309831U/en active Active
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