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Mine anti-wind drill safety technology organization measures

According to Article 122 "coal mine safety regulations": "Production Mine Main be equipped with anti-wind facilities, and can change the direction of air flow in the tunnel in 10min; after changing the direction of air flow, the amount of primary air supply fan is not It should be less than 40% of the normal air supply volume. At least one anti-wind facility should be inspected every quarter, and one anti-wind drill should be conducted every year. When there is a large change in the mine ventilation system, one anti-wind drill should be conducted.

Tongyu Mine plans to conduct a full mine anti-wind drill during the annual maintenance period of the mine electromechanical in 2013 (monthly), in order to ensure that the anti-wind drill can be carried out safely and smoothly, and prepare the anti-wind drill and natural wind measurement of the same mine. Security technology organization measures.

First, the mine overview:

The ventilation method of the same mine is divided ventilation, and the working method of the main fan is the extraction type. There are 4 inlet shafts and 2 return shafts, 4 inlet shafts are main inclined shafts, auxiliary inclined shafts, Beiyipan area inlet wind shaft, and Beishuangpan area inlet wind shaft. Two return air shafts are In the north area, the wind returned to the shaft, and the north second area returned to the wind. The airflow and fan performance parameters of each wellbore are shown in the following table.

Tongyu Mine Intake and Return Wellbore Parameter Table

Wind well name Air volume (m3/min) Service area
Into the wind well (4) Main inclined well 1876 Full mine
Deputy inclined well 8505 Full mine
Wind inlet shaft in Beiyi District 9117 North area
Wind turbine shaft in the second block 3619 North Second District
Return to the wind well (2) Beiyi District return wind shaft 13777 North area
North Second District Returning Wind Shaft 9795 North Second District

Wind well name

Air volume (m3/min)

Service area

Into the wind well (4)

Main inclined well

1876

Full mine

Deputy inclined well

8505

Full mine

Wind inlet shaft in Beiyi District

9117

North area

Wind turbine shaft in the second block

3619

North Second District

Return to the wind well (2)

Beiyi District return wind shaft

13777

North area

North Second District Returning Wind Shaft

9795

North Second District

Main ventilator performance parameters of Tongyu Mine

model Operating angle (°) Air volume (m3/min) Negative pressure (Pa) Rated power (KW) Service area
ANN-2650/1250B 65.4 13777 2908 1400 North area
ANN-3200/1600B 42.1 9795 938 2800 North Second District

model

Operating angle (°)

Air volume (m3/min)

Negative pressure

(Pa)

Rated power (KW)

service

range

ANN-2650/1250B

65.4

13777

2908

1400

North area

ANN-3200/1600B

42.1

9795

938

2800

North Second District

Use 3

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