Two, overview

Fast opening blind is for cleaning, pipeline dredge, quick opening device for fixed container inspection, cleaning and set in the mouth. The filter separator and the serving tube of the JiuJiang Railway Station are provided with a quick opening blind plate. JiuJiang Railway Station fast opening blind is XL-SH lock ring Shenyang Xinlian Co., quick opening blind plate. Three, operating procedures 1, inspection and preparation

(1) check the fast opening blind plate and auxiliary devices are in good condition; (2) open the blind plate before the valve should be recognized in the state of the switch;

(3) the operation of a first vent gas collecting cylinder serve, the ball is not confined tube equipment, pressure indicator shows the number of zero, and keep the vent valve in the fully open state; (4) to prepare special tools. 2, open the lock ring type fast opening blind plate

(1) open the vent valve and drain valve with pressure vessel, the pressure in the cylinder is reduced to zero; (2) unscrew the valve, remove the safety card;

(3) clockwise rotation of the screw rod, so that the pressure around the left and right to a certain position, so that the left and right sides of the ring is completely separated from the teeth;

(4) gently pull the blind plate cover handle, and the blind plate can be opened. 3, the lock ring type fast opening blind plate closure

(1) completely remove the sealing surface and the sealing ring in the dirt handle groove and upper and lower, apply anti rust oil; (2) promoting the blind plate so that it is completely embedded in the pressure ring; (3) the counterclockwise rotation of the screw rod, a locking blind plate; (4) install the safety card, tighten bleed valve; (5) vent valve and a drain valve closed pressure vessel.