A pressure spray dryer is a device that can simultaneously perform drying and granulation. According to the process requirements, the pressure, flow rate and orifice size of the liquid pump can be adjusted to obtain the required press.

A spherical particle of a certain size ratio.

The working process of the pressure spray dryer is as follows: the liquid feeds through the high-pressure input of the pneumatic diaphragm pump, sprays the mist droplets, and then flows down with the hot air, and most of the powder particles are discharged from the bottom of the tower.

The exhaust gas and its fine powder are separated by a cyclone, the exhaust gas is discharged by the exhaust fan, the powder is collected by the powder collecting cylinder located under the cyclone separator, and the fan outlet can also be equipped with two stages.

The dust removal device has a recovery rate of 96%-98%.

Daily operating specifications for pressure spray dryers:

If the pressure spray dryer is running for a long time or due to improper operation, aggregates will appear in some equipments and affect normal operation. At this time, it is necessary to stop working for cleaning. For the drying tower

To clean the aggregate, open the cleaning door, sweep the funnel-shaped bottom aggregate with a long broom, open the discharge valve, and rinse the tower with tap water. The removal of dust in the cyclone is also required

To open the cyclone, sweep the aggregate with a broom and rinse with water if necessary. For the cleaning of the bag filter, the control switch should be turned on, tapped continuously, and then cleaned.

Door, tap the bag filter, and finally replace the filter bag. For the cleaning of the slurry piping system, open the drain valve of the two-way filter, clean the filter screen and piping, and then open

Material pump, water substitute, clean pump tube, voltage regulator package and pipeline.

After a period of operation, we need to carry out the necessary inspection and maintenance of the spray granulation dryer. For the supply system, check filters, pipes, valves, nozzles, etc.

Check for blockages, regular cleaning, and check nozzle wear for timely replacement. The material pump should be checked for oil leakage, whether the pressure is normal, and whether the oil level is normal. For fans, check

Look at the shaft and bearings for lack of oil and heat, with or without vibration, noise, etc. If necessary, clean the blades and balance the blades. For the heater, check if the heat pipe is normal and clear if necessary.

Filters for washing oil pipes, oil pumps, and oil nozzles. In addition, you should also pay attention to whether the motor has heat, vibration, abnormal sound, etc., whether the instrument and electrical appliances of the control cabinet work normally.

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