GB/T 29723.2-2013Grade and limit of major process energy consumption for coal mine - Part 2: Main drainage system (English PDF)

3.1 The main drainage system process energy

Refers to the main drainage system during the reference period will be needed to enhance 1t mine water consumed 100m power.

NOTE. The main drainage system to process energy statistics based on the statistical period should be one year.

4.1

Main Drainage Pump equipped with an electric motor and should not be out of product.

4.2

the main drainage pumps and motors, drain line should be a reasonable match, operating normally; the main drainage pumps and drainage pipe should be no leakage.

4.3

Main drainage system shall be equipped with energy measuring instruments installed to perform the requirements of GB 17167, and according to relevant provisions of the verification or calibration.

4.4

Main Drainage System controls and instrumentation should be intact, and the relevant provisions of the instrument should be verification or calibration.

4.5

main drainage system operation shall be complete and accurate; technology files complete. Years of running the drain line should clean up line records.

5.1 boundary energy

To control the main drainage pump motor starting, stopping and running switchgear as energy metering systems starting point to the exit of the drain line

Main drainage system terminals. The main drainage system includes an electric motor, transmission, main drain pump, inlet, drains and piping accessories.

5.2 Parameters and scope

5.2.1 Power Consumption

It refers to the main drainage system power consumption statistics during the period, including the main drain pump motor and the motor to the line loss between the switchgear power. use […]