Fiona Fang concrete mixing station operation procedures

safety operation procedures of concrete mixing station

1. All operators must wear safety protection articles such as safety helmet and dust mask as required, and mechanical operators must hold relevant certificates.

2. Before operation, check that all devices meet the requirements before starting. After start-up, the operation of each

component and the indication of each instrument should be normal, and the pressure of oil, gas and water should meet the requirements before starting operation.

3. During operation, non-operating personnel are strictly prohibited from entering the production area, and personnel are strictly prohibited from entering the storage area

and under the lifting bucket; When removing the material at the bottom of the upper hopper, the hopper must be lifted to a proper position

and the safety pin must be inserted into the track; When removing the residual materials in the upper hopper, the power supply must be cut off < P > and a special person should be assigned for supervision.

4. Before starting the mixing drum, cover the bin cover. During mechanical operation, it is forbidden to put your hands and feet into the

hopper or mixing drum to explore.

5. When the shovel is stuck by an obstacle, it is not allowed to forcibly pull, lift heavy objects with the shovel, and do not rotate during the material pulling process.

6. Do not stop the mixer when it is fully loaded. In case of failure or power failure, immediately

cut off the power supply, lock the switch box, clean the concrete in the mixing drum, and then

remove the trouble or wait for the power supply to be restored.

7. The machines of the mixer shall not be overloaded; Check the operation of the motor. When

finds abnormal operation sound or excessive temperature rise, stop the motor immediately for inspection. Do not

force operation when the voltage is too low.

8.

Before the mixer stops,

it should be unloaded first, and then

the switches and pipelines of all parts should be closed in sequence.

all the cement in the spiral pipe should be conveyed out, and no material should remain in the pipe.

9. After the operation, the mixing drum, the discharge door and the discharge hopper should be cleaned and washed with water, and the additive and its supply system should be washed at the same time as

.

1. In the freezing season, the water stored in the water pump, additive pump, water tank and additive box should be drained, and the water pump and additive pump should be started to run for

1-2

minutes.