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The reason of the failure of the powder material carrier and the corresponding method of elimination
| Failure | Cause of failure | Troubleshoot |
| 1, air compressor pressure is less than 2 kg/cm 2 | 1. The belt slips 2, check valve is not working 3, safety valve failure 4. The sealing body is damaged 5. There is leakage in the tank pipeline 6, pressure gauge failure 7. The air compressor is damaged | 1. Adjust or replace the belt 2, adjust the check valve 3, adjust the body valve, replace the spring 4. Repair or replace the seals 5. Repair or replace the air leakage part 6. Adjust or replace the pressure gauge 7. Repair or replace air compressor parts |
| 2, pressure over 2 kg/cm 2 | 1. The safety valve fails 2. Tank pipe is blocked 3, pressure gauge failure 4. The ash butterfly valve can not be opened 5. Ash pipeline is blocked | 1, adjust the safety valve 2, dredge the blocked part of the pipeline 3, stop the ash, check the butterfly valve 4, dredge the ash pipeline |
| 3, tank gasification is not complete | 1. Insufficient air pressure 2. There are air leakage parts 3. Gasified canvas is damaged 4, cement caking | 1. Adjust the air pressure 2. Plug or adjust the air leakage part 3. Replace the canvas 4. Remove cement caking |
| 4. The unloading of ash is not smooth | 1. Insufficient air pressure 2. There are air leakage parts 3. Butterfly valve is blocked 4. The pipeline is blocked 5. There is caking in the tank to block the horn | 1. Adjust the air pressure 2. Plug or adjust the air leakage part 3. Dredge the butterfly valve 4, dredge the pipeline 5. Clear the can |
Powder material carrier, referred to as powder tank truck, is composed of automobile chassis, bulk tank, air pipe system, automatic unloading device, etc. The main transportation of some cement, lime powder, ore powder particle alkali particle diameter less than or equal to 0.1mm powder particle dry material transportation. It is mainly used in cement factories and construction sites. Its biggest advantage is that it can save a lot of packaging materials and handling costs, effectively reduce the transportation cost.
The problem that the powder material carrier Z is prone to is the high rate of remaining ash and the long time of beating ash. In our country, the requirement for the residual ash rate of bulk materials carriers is 0.3%. If in the process of transportation in rainy weather, the air humidity is high, the transportation medium is easy to be damp and stick to the tank wall, or the viscosity of the medium itself is too high, that with the increase of transportation times, the adhesion of the material will be more and more, so that the effective volume of the tank inside becomes smaller, and the residual ash rate is too high after Z. For the medium of large particles, it is necessary to use the external large pressure air source to make its fluidization, and the ash time and ash remaining rate is significantly higher than other materials.
Solution: The powder material transport vehicle should be equipped with a special water and gas separator, so that in rainy weather or when the medium itself is high viscosity, the air humidity in the tank will not be so large, and the powder will not be too much stuck on the tube wall.
