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News and information Current location: High pressure pipeline dredger > News and information >

Troubleshooting of hot water high pressure cleaning machine

Number of hits: Release time: July 25, 2020 17:28

1. When using hot water high-pressure cleaning machine for operation, the important parts include pipe cleaning nozzle. The jet generated by the back jet nozzle peels off the dirt on the pipe wall and generates forward thrust and backward return to push the nozzle forward for cleaning. In the cleaning process, we need to pay special attention to the normal work of the nozzle, so as not to cause damage to personnel or machines. First of all: before construction, the nozzle should be carefully checked whether there is blockage, if found, it should be treated in time. Secondly, the nozzle for pipeline cleaning should be carefully designed and manufactured. The nozzle should be evenly distributed on the circumference of the nozzle, and the aperture and inclination angle are completely equal. The main function is to realize the reaction force of balance. Each time we use the hot water high-pressure cleaning machine, we need to put the nozzle into the pipe about 30cm, and then pressurize the nozzle to make it enter the pipeline. When the nozzle is pulled out of the pipeline after cleaning, we need to adjust the pressure of the high-pressure pump to zero, so as to avoid the situation that the sprinkler head forms a water hose and injures the operators.
2. If the above problems occur in the hot water high-pressure cleaning machine, the user can find out the causes and eliminate the faults. However, if the pump body leakage, crankcase oil leakage and other serious faults occur in the hot water high-pressure cleaning machine, the cleaning machine should be sent to the professional maintenance department with complete accessories and strong technical force for repair, so as to avoid unnecessary economic losses.
 Hot water high pressure cleaning machine
3. The cleaning method of using hot water high-pressure cleaning machine to clean the heat exchanger is as follows: firstly, remove the head and tail of the heat exchanger to expose all the tubes, then insert the rigid spray gun or flexible high-pressure spray gun into the pipe hole 200-300 mm away, open the spray gun control valve to pressurize the high-pressure water until it reaches the rated pressure. Then, in the cleaning process, gradually make the spray gun deep into the pipe Push until the high-pressure water jet ejects from the other end of the heat exchanger. After that, the operator slowly draws back the spray gun in the working state, and the scale continues to be broken until the spray gun is pulled back to the nozzle when it is sent in, and then the scale is gradually discharged from the pipe. After that, the same method is used to clean the tubes one by one until the tube side of the whole heat exchanger is cleaned.
4. Possible causes of hot water high-pressure cleaning machine, water inlet, water filter blockage. The nozzle is blocked and the heating spiral tube is blocked. If necessary, remove the scale. The outlet pressure is unstable and the water supply is insufficient. The air suction pipeline is caused by pipeline rupture and the detergent nozzle is not inserted into the cleaner. Nozzle wear, high pressure water pump seal leakage. The burner does not ignite and burn, the air inlet is insufficient, and white smoke is emitted. The fuel filter, fuel pump and fuel nozzle are dirty and blocked. The solenoid valve is damaged, the ignition position is changed, and the spark is too weak. The high pressure ignition coil is damaged and the pressure switch is damaged.