Test run and use notice of slime dryer - Henan Hongxing


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Test run of slime dryer and matters needing attention in use

Coal slime itself has high moisture and high cohesiveness dryer In view of this feature, the special coal slime dryer adopts a unique dispersing device, which can dry the bonded coal slime after dispersing, which increases the contact area between the slime and the hot air, and greatly improves the heat utilization rate. The moisture content of the dried slime can be reduced to less than 12%, and the dried slime can be directly used as fuel. Make coal slime into treasure.


Test run of slime dryer

1. The installed dryer should be run in for no less than 4 hours, and any abnormal situation during the commissioning should be handled in time.

2. After the test run, tighten all the connecting bolts again and make up the lubricating oil. After the test run is normal, the load test run can be carried out.

3. Before the load test run, all auxiliary equipment shall be put into trial operation without load. After successful single unit test run, it will be transferred to joint test run.

Precautions for slime dryer

1. Ignite the hot blast stove dryer to preheat, and turn on the dryer at the same time, prohibit the cylinder from heating continuously to prevent the cylinder from bending.

2. According to the preheating condition, add wet materials into the drying cylinder gradually, and gradually increase the feeding amount according to the moisture content of the discharged materials. There should be a preheating process for the dryer and a preheating process for the hot blast stove to prevent sudden fire. Prevent local overheating, uneven thermal expansion and damage.

3. The fuel burning value, the heat preservation quality of each part, the moisture content of wet materials and the uniformity of feeding amount affect the drying products and fuel consumption. Therefore, it is an effective way to improve economic benefits to make all parts reach the state as much as possible.

4. In the working state, the supporting roller frame shall be filled with cooling water. All lubricating parts should be lubricated in time.

5. The hot blast stove should be put out before shutdown, and the drying cylinder should continue to rotate until it is cooled to close to the outside temperature. It is forbidden to stop at high temperature to prevent the cylinder from bending and deformation.

6. In case of sudden power failure, the hot blast stove shall be put out immediately, feeding shall be stopped, and the cylinder shall be rotated half circle every 15 until the cylinder is cooled. Special personnel shall be responsible for this operation procedure, and violation of this procedure will cause cylinder bending. Serious bending of the cylinder will make the dryer unable to work normally.

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