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Automatic gas diluter

A diluter and automatic technology, applied in gas discharge, safety devices, mining equipment and other directions, can solve the problems of complex structure and high cost, and achieve the effects of simple structure, low production cost, and easy processing and implementation.

Inactive Publication Date: 2012-03-21
HENAN POLYTECHNIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, with the continuous migration of the mining face, the position of the upper corner is also constantly changing. The existing processing method has a complex structure and high cost, and a small and portable ventilation mechanism is required to replace it.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Example 1: see figure 1 , an automatic gas diluter, the fan includes a motor 1 and a wind turbine chamber 2 . The output shaft of the motor 1 is connected with the turbine in the wind turbine chamber 2 upwardly. A hanger 5 is arranged above the wind turbine chamber 2. After drilling a hole on the top of the upper corner and fixing the hook, the hanger 5 is hung on the hook. A battery casing 3 is fixed to the lower part of the motor 1 through a support rod 6, and a battery and a control circuit board are sealed and installed in the battery casing 3. Gas concentration sensors 41 and 42 are installed on the battery casing 3 and the wind turbine chamber casing 2 respectively. The gas concentration sensor is sealed with the input end of the control circuit board, and the battery is sealed with the control circuit board, and the output of the control circuit board is sealed. The end is sealed with the motor input end. Motor 1 adopts explosion-proof motor.

Embodiment 2

[0021] Example 2: see figure 2 , another gas automatic diluter, the content is basically the same as that of the first embodiment, the same is not repeated, the difference is: it also includes a closed support shell 7, the battery, the motor and the wind turbine room are installed on the support In the casing, the probes of the gas concentration sensor may be multiple, and they are respectively located on the side wall of the airtight casing. A hanger 5 is fixed on the upper part of the airtight casing, and the air inlet pipe 21 and the air outlet pipe 22 of the wind turbine chamber are respectively fixed on the left and right side walls of the supporting casing. Due to the function of the airtight support shell, the motor can be an explosion-proof motor or an ordinary motor.

Embodiment 3

[0022] Example 3: see image 3 , Another gas automatic diluter, the content is basically the same as that of the second embodiment, and the similarities will not be repeated. A water turbine chamber 8 is also provided in the closed support shell 7, and the motor output shaft is simultaneously connected with the wind turbine chamber 2 and the water turbine chamber 8. The turbines in the turbine chamber 8 are connected by transmission. The water inlet pipe 81 and the water outlet pipe 82 of the water turbine chamber 8 are respectively fixed on the side walls of the support shell, and the water inlet pipe can communicate with the water container on the ground. In this embodiment, an electric clutch 9 is installed on the transmission shaft between the wind turbine chamber 2 and the water turbine chamber 8 , and the signal wire of the electric clutch 9 is sealedly connected with the output end of the control circuit board. The water outlet pipe 82 is a jet outlet water pipe.

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Abstract

The invention relates to an automatic gas diluter. An output shaft of a motor is in transmission connection with a turbine in a wind turbine room upwards; a hanging buckle is arranged above the wind turbine room; a storage battery casing is fixed at the lower part of the motor; and gas concentration sensors are respectively installed on the storage battery casing and a wind turbine room casing. The automatic gas diluter is simple in structure, is easy to process and implement, has low production cost, is convenient to use, is portable and can move at any time along with the movement of an upper corner. The automatic gas diluter has the effects of automatic detection and automatic startup ventilation, is provided with a storage battery for providing the power and can hermetically treat each electrical contact, thereby being safe and practical and having good sealing performance and safety.

Description

Technical field: [0001] The invention relates to a gas dilution technology at the corner of a coal mining face, in particular to an automatic gas diluter. Background technique: [0002] During coal mining, due to the light density of gas, it is easy to gather in the upper corners of the mining face, and as the concentration increases, it is easy to reach the explosion limit. At present, the commonly used methods for the gas overrun problem in the upper corner are buried pipe drainage, local fans, special end lanes, etc. These treatment methods are expensive and complicated in practice. In fact, the wind force on the mining face has been able to discharge a large amount of gas, while the upper corner is not easy to form air circulation and gradually accumulates gas with a higher concentration. Circulation measures, because the local volume of the upper corner is very small, each rapid circulation can last for a period of time before it can accumulate to a dangerous concentra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21F7/00E21F1/00
Inventor 李辉魏建平程磊王云刚
Owner HENAN POLYTECHNIC UNIV
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