CN218991670U - Waste dump is administered with preventing gas explosion device - Google Patents

Waste dump is administered with preventing gas explosion device Download PDF

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Publication number
CN218991670U
CN218991670U CN202320121305.2U CN202320121305U CN218991670U CN 218991670 U CN218991670 U CN 218991670U CN 202320121305 U CN202320121305 U CN 202320121305U CN 218991670 U CN218991670 U CN 218991670U
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China
Prior art keywords
exhaust
valve
gas explosion
exhaust fan
waste dump
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CN202320121305.2U
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Chinese (zh)
Inventor
王孝臣
王明山
杨文静
赵文虎
张晓坤
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Second Exploration Team Of Shandong Coalfield Geology Bureau
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Second Exploration Team Of Shandong Coalfield Geology Bureau
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Abstract

The utility model discloses an anti-gas explosion device for waste rock treatment, and belongs to the field of waste rock treatment. The device solves the defect that the prior art lacks a device for monitoring the internal air pressure of the gangue hill and exhausting the internal air before the gangue hill is treated. The device mainly comprises an exhaust unit and a plurality of sections of inner pipes which are sequentially connected, wherein one section of inner pipes is fixedly provided with a supporting ring at the upper side, a temperature sensor and a pressure sensor are installed at the bottom of the supporting ring, the exhaust unit comprises an exhaust fan and an exhaust pipe connected with the exhaust fan, one end of the exhaust pipe is fixedly connected with the top surface of the supporting ring through a flange, a valve is further installed on the supporting ring, and the valve, the temperature sensor, the pressure sensor and the exhaust fan are respectively connected with a controller.

Description

Waste dump is administered with preventing gas explosion device
Technical Field
The utility model belongs to the field of waste rock treatment, and particularly relates to an air explosion prevention device for waste rock treatment.
Background
The coal gangue is a black gray solid waste with lower carbon content and harder texture which is formed by the symbiotic coal of coal mine in the coal exploitation process, and is mainly gangue interlayer or coal seam top and bottom mudstone in a coal seam, and the scientific name is carbonaceous mudstone. The accumulation of a large amount of gangue forms a gangue hill, which not only occupies the land and seriously wastes resources, but also is easy to self-ignite after long-term accumulation of the gangue hill, and once the gangue hill self-ignites, a large amount of SO is continuously discharged for a long time 2 And H 2 S and other harmful gases cause environmental pollution and harm the health of people, and the work of preventing and extinguishing the fire by the gangue is an urgent and important work for guaranteeing the safe production of mines and maintaining the ecological balance of mining areas.
The waste hill is relatively sealed inside, so that combustible and explosive gas with certain pressure can be generated, and the high Wen Gan stone hill has not only coal oxidation reaction, but also coal and water vapor reaction and the like. When the waste dump is filled with water or injected to extinguish fire, if the pressure of the high-pressure combustible gas in the waste dump is not released in advance, the gas explosion is very easy to occur, the life safety of workers is greatly threatened, and the emission of toxic gas in the waste dump can damage the local environment and harm the health of the workers. Currently, before the waste dump is treated, a device for monitoring the internal air pressure of the waste dump and exhausting the internal air is lacked, so that the gas explosion hazard can not occur during the subsequent fire extinguishing and cooling of the waste dump.
Disclosure of Invention
The utility model aims to provide an anti-explosion device for waste rock mountain treatment, which overcomes the defect that the prior art lacks a device for monitoring the internal air pressure of the waste rock and exhausting the internal air before waste rock treatment.
The utility model adopts the following technical scheme to realize, an air explosion prevention device for waste dump treatment comprises an exhaust unit and a plurality of sections of inner pipes which are sequentially connected, wherein a support ring is fixedly arranged on the upper side of one section of the inner pipes, a temperature sensor and a pressure sensor are arranged at the bottom of the support ring, the exhaust unit comprises an exhaust fan and an exhaust pipe connected with the exhaust fan, one end of the exhaust pipe is fixedly connected with the top surface of the support ring through a flange, a valve is further arranged on the support ring, and the valve, the temperature sensor, the pressure sensor and the exhaust fan are respectively connected with a controller. According to the utility model, the inner pipe is arranged, the inner pipe is inserted into the drill hole when the device is used, the temperature of the bottom of the drill hole is detected through the temperature sensor, the air pressure at the lower side of the drill hole is detected through the pressure sensor, the temperature and air pressure data are transmitted to the controller, when the waste dump bottom air is required to be exhausted, the exhaust fan and the valve are opened through the controller, and the exhaust fan is used for exhausting inflammable air with certain pressure at the bottom of the drill hole, so that the risk of air explosion is effectively reduced.
Further, two adjacent inner pipes are connected through threads.
Further, the exhaust tube adopts a hose.
Further, the valve is a solenoid valve.
Further, an outer convex edge is arranged at the upper end of the inner tube at the uppermost side, and a plurality of fixing holes are formed in the outer convex edge at intervals along the circumferential direction.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the inner pipe is arranged, when the pressure sensor and the temperature sensor are used, the inner pipe is inserted into the drill hole to form a stable monitoring environment, the pressure sensor and the temperature sensor are used for respectively monitoring the air pressure and the temperature at the lower side of the drill hole, and the valve can be normally closed during daily monitoring, so that the air pressure value in the inner pipe is the same as the air pressure value in the gangue hill, and the pressure and the temperature of the air in the gangue hill can be accurately monitored by workers;
2. according to the utility model, the inner pipes are arranged in a plurality of sections and sequentially connected, so that the inner pipes are more convenient to install, and the inner pipes can be repeatedly used for a plurality of times;
3. the utility model can also be used when grouting or water injection is carried out in the waste dump, at the moment, the valve can be opened, and toxic gas in the waste dump can be rapidly discharged by opening the exhaust fan, so that the condition of gas explosion is avoided.
Drawings
FIG. 1 is a perspective view of the present utility model;
fig. 2 is a front view of the present utility model.
In the figure: 1. an inner tube; 2. a support ring; 3. a temperature sensor; 4. a pressure sensor; 5. an exhaust tube; 6. a valve; 7. an outer convex edge; 8. a fixing hole; 9. and (3) a flange.
Description of the embodiments
In order to enable those skilled in the art to better understand the technical solution of the present utility model, the technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
The utility model provides an explosion-proof device for waste dump treatment, includes exhaust unit and multisection inner tube 1 that connects gradually, one of them festival the upside fixed mounting support ring 2 of inner tube 1, temperature sensor 3 and pressure sensor 4 are installed to support ring 2 bottom, exhaust unit includes the air exhauster and the exhaust column 5 of being connected with the air exhauster, the top surface fixed connection of exhaust column 5 one end through flange 9 and support ring 2, still install valve 6 on the support ring 2, valve 6, temperature sensor 3, pressure sensor 4 and air exhauster connect the controller respectively.
Two adjacent inner pipes 1 are connected through threads.
According to the utility model, a plurality of inner pipes 1 are sequentially connected through threads, and the connection parts of two adjacent inner pipes 1 are respectively provided with an internal thread and an external thread; the temperature sensor 3 is a high temperature resistant temperature sensor 3, and the pressure sensor 4 is a high temperature resistant pressure sensor 4; when the device is used, the inner pipe 1 is inserted into a drill hole, the temperature of the bottom of the drill hole is detected through the temperature sensor 3, the air pressure at the lower side of the drill hole is detected through the pressure sensor 4, the temperature and air pressure data are transmitted to the controller, when the air at the bottom of a waste dump is required to be exhausted, the exhaust fan and the valve 6 are opened through the controller, and the flammable gas with certain pressure at the bottom of the drill hole is pumped out by the exhaust fan, so that the risk of air explosion is effectively reduced; the valve 6, the temperature sensor 3, the pressure sensor 4 and the exhaust fan can be respectively connected with the controller in a wired or wireless mode.
The exhaust pipe 5 adopts a hose.
The valve 6 is a solenoid valve.
The upper end of the inner tube 1 at the uppermost side is provided with an outer convex edge 7, and a plurality of fixing holes 8 are formed in the outer convex edge 7 along the circumferential direction at intervals.
According to the utility model, the outer convex edges 7 are arranged, so that the connected inner pipes 1 can be prevented from falling into the drilled holes completely, a table top can be arranged at the inlet position of the drilled holes by workers, a plurality of screw rods corresponding to the fixing holes 8 are fixedly arranged on the table top, and when the inner pipe fixing device is applied, the screw rods are inserted into the fixing holes 8 of the outer convex edges 7 and are provided with bolts, so that the inner pipes 1 are fixed.
The working process of the utility model comprises the following steps:
during installation, firstly, the exhaust pipe 5 is taken down from the exhaust fan, a flange 9 at one end of the exhaust pipe 5 is fixed with the top surface of the supporting ring 2 on the lower inner pipe 1 through bolts, then the exhaust pipe 5 passes through the upper inner pipe 1, the upper inner pipe 1 is connected with the lower inner pipe 1 through threads, all the inner pipes 1 are connected in sequence, and finally the exhaust pipe 5 is connected with the exhaust fan;
during monitoring, the valve 6 can be normally closed, the temperature sensor 3 and the pressure sensor 4 transmit the temperature to the controller, and the controller transmits the pressure and temperature data to an external display for workers to watch;
when the pressure sensor 4 monitors that the gas pressure reaches a certain value, the valve 6 and the exhaust fan are opened to pump out the gas at the lower side of the drill hole, the valve 6 is normally opened through the controller, the exhaust fan is opened at the same time, the exhaust fan continuously pumps out the toxic combustible gas at the lower side of the drill hole, the safety guarantee is provided for the later treatment of the waste dump, and the gas explosion is prevented.
Although the present utility model has been described in detail by way of preferred embodiments with reference to the accompanying drawings, the present utility model is not limited thereto. Various equivalent modifications and substitutions may be made in the embodiments of the present utility model by those skilled in the art without departing from the spirit and scope of the present utility model, and it is intended that all such modifications and substitutions be within the scope of the present utility model/be within the scope of the present utility model as defined by the appended claims. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (5)

1. The utility model provides a waste rock mountain is administered with preventing gas explosion device which characterized in that: including exhaust column unit and multisection inner tube (1) that connects gradually, one of them the upside fixed mounting support ring (2) of inner tube (1), temperature sensor (3) and pressure sensor (4) are installed to support ring (2) bottom, exhaust column unit includes exhaust fan and exhaust column (5) of being connected with the exhaust fan, the top surface fixed connection of flange (9) and support ring (2) is passed through to exhaust column (5) one end, still install valve (6) on support ring (2), valve (6), temperature sensor (3), pressure sensor (4) and exhaust fan connect the controller respectively.
2. The gas explosion prevention device for waste dump management according to claim 1, wherein: two adjacent inner pipes (1) are connected through threads.
3. The gas explosion prevention device for waste dump management according to claim 1, wherein: the exhaust tube (5) adopts a hose.
4. The gas explosion prevention device for waste dump management according to claim 1, wherein: the valve (6) is a solenoid valve.
5. The gas explosion prevention device for waste dump management according to claim 1, wherein: the upper end of the inner tube (1) at the uppermost side is provided with an outer convex edge (7), and a plurality of fixing holes (8) are formed in the outer convex edge (7) at intervals along the circumferential direction.
CN202320121305.2U 2023-02-06 2023-02-06 Waste dump is administered with preventing gas explosion device Active CN218991670U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320121305.2U CN218991670U (en) 2023-02-06 2023-02-06 Waste dump is administered with preventing gas explosion device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320121305.2U CN218991670U (en) 2023-02-06 2023-02-06 Waste dump is administered with preventing gas explosion device

Publications (1)

Publication Number Publication Date
CN218991670U true CN218991670U (en) 2023-05-09

Family

ID=86219404

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320121305.2U Active CN218991670U (en) 2023-02-06 2023-02-06 Waste dump is administered with preventing gas explosion device

Country Status (1)

Country Link
CN (1) CN218991670U (en)

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