If the surface of the PE drainage pipe is found to be rough, it may be caused by the high or low temperature of the head of the main engine. Too high will result in a rough surface. In this case, the cooling water temperature should be appropriately reduced, and at the same time, check whether the waterway is blocked and the water pressure is insufficient; and check the heating ring, raw material performance, etc.
If there are grooves on the surface of the PE drainage pipe, the homeowner should check and adjust the water curtain of the sizing sleeve to balance the pressure, adjust the angle of the spray nozzle to make the pipe cool evenly, and check whether there are sundries, sizing sleeves, cutting machines and other objects. glitch.
If the defect of the PE drainage pipe exists all the time, it will obviously affect its normal use effect and service life, so it still needs to be repaired. If the damaged part of the outer wall shows broken pipe walls or holes within 0.1m in length, use a scraper to scrape the broken The pipe wall or hole is completely removed, and the area within 0.05m around the removed part is cleaned with cyclohexanone.
After that, brush the plastic adhesive with good water resistance on the damaged part of the PE drainage pipe, and then remove the arc-shaped plate equivalent to twice the damaged area from the corresponding part of the same pipe, and apply the adhesive on the inner wall and stick it on the damaged part , fixed with lead wire.
If the outer wall of the PE spiral corrugated pipe has ribs, it is necessary to remove the ribs within 0.05m around the damaged part, scrape it flat without rib marks, and then use the same method to remedy it, so that the PE drain pipe can return to normal and can be used in the water supply system. important role.
