The trommel screen is a kind of non-vibrating screen classification equipment with high precision. It has different screening layouts and designs for different screening requirements. The development source of the trommel screen is classification equipment that processes large quantities of river sand and yellow sand. It is also called a sand drum sieve.

Small trommel and mine trommel are composed of five parts: hexagonal roller, frame, funnel, reducer, and motor. Various placement schemes can be designed according to actual production needs. After the broken stones enter the drum, they are screened by the centrifugal force of the drum rotation and the jigging effect. Sieve out one by one through different mesh screens. After being screened out, the stones of different specifications fall into the belt conveyor through the funnel and are sent to the finished product yard. On the one hand, it is screened as the drum rotates, and the materials are screened by the centrifugal force of the drum rotation and the jigging effect. On the one hand, the stone material with a large particle size flows forward along the slope of the drum and is gradually screened out through screens of different meshes. Small stones are sifted out and fall into their respective hoppers, and then are transported out manually or sent to the finished product pile by self-flow.

How to complete the debugging work before the trommel screen is running? This article introduces you one by one for your reference.

Preparation before commissioning

1. After the components of the trommel screen are installed and passed the inspection, the trial operation can be carried out. Before the trial operation, check in detail that the components are installed correctly as shown in the drawings, the fasteners are firm, and whether there are obstacles around the screen body that hinder the operation of the drum screen.

2. Put the rectangular inspection door in the open position, and rotate the screening drum by manual turning to observe whether the comb-type cleaning mechanism has jamming or friction. If there is, it can be adjusted by adjusting the bolt.

3. Check that each bearing seat and gearbox should be well lubricated, and the gearbox oil level should be appropriate.

4. The power connector should be firm and reliable, well insulated, and grounded correctly.

No-load test run

1. Jog the motor control button and check that the rotation of the motor should be consistent with the rotation shown on the cage drum screen.

2. Start the equipment to operate for 4-6 hours and observe the operation of the drum screen. If abnormal noise or other phenomena are found, stop the machine for inspection in time to find out the cause and eliminate the fault.

The following items should be checked during 4-6 hours of trial operation:

a. The temperature of the large shaft bearing should not exceed 75℃ and the temperature rise should not exceed 45℃.

b. The tightening situation of the tightening bolts everywhere, if found loose, they should be tightened in time.

Feeding

1. When the sieving machine is running smoothly, start the feeding and discharging equipment, and conduct a trial run for feeding.

2. Close the sealed isolation cover after normal discharge (during normal operation, the sealed isolation cover should always be in the closed position).

3. Check the particle size of the discharged material and whether there is material leakage and dust.

4. After running for half an hour, check all parts carefully and deal with any problems in time.

5. The operation should be checked frequently during the working process. If an abnormal operation or abnormal sound is found, the machine should be shut down for inspection in time to find out the reason and eliminate the fault.

Correct debugging can play the role of the trommel and prolong the service life of the trommel. If there are other problems that you don’t understand during operation. You can contact us—-LZZG. Welcome to consult.