Slurry pumping work standard

1 Subject content

This standard specifies the working capacity, responsibility, authority and operating procedures of the sand Pump station in the tailings conveying workshop.

2. area

This standard is applicable to the personnel of the sand pump in the tailings conveying workshop and its inspection and assessment.

3 job ability requirements

3.1 Passed the training of the post and the third-level safety education.

3.2 Have a junior high school education or above.

3.3 Familiar with the working principle and safe operating procedures of all equipment within the scope of this post.

3.4 Have certain equipment operation experience and be familiar with the distribution of pipelines within the scope of this post.

4 Responsibility

4.1 Responsible for its own safety.

4.2 Responsible for the safety supervision of non-workshop personnel entering the water station.

4.3 Responsible for the safe operation of this post mechanical and electrical equipment.

4.4 Responsible for the fastening, lubrication and maintenance of the equipment.

4.5 Ensure that the tailings of the plant are safely transported to the tailings dam.

4.6 Check the safe operation of the accident pool.

5 permissions

5.1 The right to prevent non-workshop workers from entering the work area.

5.2 The right to prevent employees who are not wearing protective products from entering the work area.

5.3 Have the right to prevent illegal command and illegal operation.

6.1   Dangerous source of this position

6.1.1 Potential attention to the sand pump pool in the work area.

6.1.2 Focus on your own safety, here at least two people work.

6.2 Safety Precautions and Control Measures

6.2.1 Observe the surrounding working environment, and walk on the foot and step on the air.

6.2.2 Wear labor protection articles in strict accordance with the requirements, and wear helmets as standard.

6.2.3 Regular inspection of protective railings, beware of slipping accidents

6.2.4 For the various items or tools in the production site to be placed neatly and safely, it should be regularly checked and implemented.

The heart has an accident.

6.2.5 Pay attention to and carefully check the power supply line, actively control the unsafe state of the object, ensure safe use of electricity, and pay attention to fire prevention.

6.2.6 Do a good job of controlling your own unsafe behaviors, and you should adhere to regularity and achieve standardized operations.

6.3 Environmental factors of this post

6.3.1 Abrasive overflow caused by wear of water pump, pipeline and valve

6.3.2 Post sanitary waste is not cleaned and cleaned up.

6.4 Environmental Considerations and Control Measures

6.4.1 Strengthen inspection and timely treatment of water leakage from sand pumps, pipelines and valves.

6.4.2 Strengthen the inspection and pay attention to the pump pool level at any time.

6.4.3 Clean the post health in a timely manner.

7.5 Operating procedures

7.5.1 Preparation and inspection contents before driving:

a. It is necessary to check whether the suction valve is closed before driving.

b. Turn on the water pump, open the front water seal of the slurry pump, fill the pump chamber and open the exhaust valve. After filling the water, close the exhaust valve.

c. Open the cooling water valve in the fluid coupling and check if the hydraulic coupling oil level is in the specified position.

e. Check that the sizing pipe valve is open.

f. Open the tailings main road feed valve, the liquid level must exceed the suction pipe.

g. Check for debris around the equipment and confirm that it is normal before starting.

7.5.2 Startup steps:

a. Press the start button, after the equipment is running normally, quickly open the suction valve, check whether it is sizing after running, if it is not sizing, restart according to the above driving sequence.

b. Adjust the speed of the fluid coupling in time, from low speed to high speed until the liquid level can be controlled to the desired position.

7.5.3 Inspection and precautions for equipment in operation:

a. Check whether the pump pressure is normal 1.1-1.2MPa. No water breakage is allowed during operation. The 6-point valve at the end of the main water pipeline must be in the normally open position to ensure normal exhaust.

b. The temperature of the fluid coupling inlet should not exceed 50 degrees. Always check whether the oil level is at the specified oil level. The motor bearing temperature must not exceed 60 degrees.

7.5.4 Parking sequence and precautions:

a. 10 minutes before parking, it is necessary to inhale the clean water to keep the pipeline clean. The lower the liquid level of the slurry tank, the better, before closing the suction valve and opening the overflow valve.

b. Closing the sizing valve and stopping should be carried out simultaneously. The faster the speed, the better. If the operation speed is slow, the motor and the fluid coupling are reversed, which may cause mechanical equipment accidents.

7.6 Do the following equipment lubrication work

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