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Safety operation procedures for sandblasting room

Author: admin Source: This station Time: 2015-12-30 17:15

1、 Check before startup
1. Check whether all safety protective covers are complete and fixed reliably.
2. Check whether the control power supply is connected reliably and whether the grounding is reliable.
3. Check whether the main gas circuit connection is firm and reliable, and whether the fasteners are loose.
4. Check whether the handle switch circuit and sandblasting pipe are damaged, whether the joints and spray gun are worn, and whether the joints and spray gun are worn.
5. Check whether the soft connection parts are damaged.
6. Check whether the oil level in the fan coupling meets the requirements. In case of any abnormality or non-compliance, it is necessary to handle and replace it in time to prevent accidents.
7. The air tank, pressure gauge and safety valve shall be inspected regularly. The filter element in sand tank shall be inspected and sorted out once a week, and shall be replaced according to the loss degree of filter element.

2、 Sanding
1. Check whether the particle size of the selected sand meets the requirements of the specification.
2. The particle size of sand blasting shall be consistent with the working requirements.
3. When adding sand, clean the foreign matters in the abrasive.
3、 Trial sandblasting
1. Start the air compressor and ventilation and dust removal equipment five minutes before work, and run for five minutes without load to observe whether the operation is normal.
2. The compressed air valve shall be opened slowly, and the air pressure shall not exceed 0.8MPa. Carefully observe whether the fan operates normally.
4、 Sandblasting
1. Move the work into the sandblasting room and place it stably. Small parts must be allowed to be fixed.
2. Turn on the back blowing air source and the back blowing control switch.
3. Wear sandblasting work clothes and protect before sandblasting.
4. Hold the spray gun (the muzzle of the gun is not allowed to face people), align the muzzle of the gun to the sandblasting part of the workpiece, and start the operation with the handlebar switch.
5. During sand blasting operation, irrelevant personnel are not allowed to approach. When cleaning and adjusting the operating parts, the machine shall be ordered and the power supply shall be cut off.
5、 Shut down
1. Turn off the handle switch to stop sand blasting.
2. Turn off the dust removal fan.
3. After the dust removal fan is shut down, keep the air source and power supply for back blowing, and ask for dust for about 5 minutes.
4. Turn off the air source and power supply.
5. Clean the equipment, arrange sandblasting tools and protective devices.
6. Clean up dust.
6、 Others
1. Regularly clean up the abrasives and dust adhered on the filter cartridge in the dust collector (working for 100 hours, in areas with high humidity, and the cleaning cycle can be shortened if the compressed air is not freeze-dried) to ensure the normal operation of the equipment.
2. Before starting the machine, the ball valve at the bottom of the air bag must be opened to drain the condensate from the air bag, so as not to affect the back blowing effect.