AQ 1021-2006
Technical specifications of high-pressure spraying for the working and heading face in mines (English Version)

Standard No.

AQ 1021-2006

Language

Chinese, Available in English version

Release Date

2006

Published By

Professional Standard-Safe Production

Latest

AQ 1021-2006

Scope

This standard specifies the technical requirements for high-pressure spray dust reduction on underground coal mine mining working surfaces and the method for measuring the dust reduction effect. This standard is applicable to high-pressure spray dust suppression on the working face of coal mine excavation.

AQ 1021-2006 Referenced Document

• GB/T 5748 Methods for airborne dust measurement in workplace
• MT 422 Coal mine dust particle size distribution determination method (mass method)
• MT/T 240 General specification for the water nozzle to control dusts in coal mine

AQ 1021-2006 history

• 2006 AQ 1021-2006 Technical specifications of high-pressure spraying for the working and heading face in mines