一种用于原煤仓的疏通装置
By using a combination of pulse valves and air storage tanks in the raw coal bunker, air pressure is used to drive the plug to vibrate and clear the blockage, thus solving the problem of blockage in the raw coal bunker and achieving the effects of rapid clearing and blockage prevention.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG SHENGZHI TECHNOLOGY DEVELOPMENT CO LTD
- Filing Date
- 2025-08-28
- Publication Date
- 2026-07-17
AI Technical Summary
The raw coal bunker is prone to blockages during the discharge process, which affects the normal operation of the equipment.
A clearing device comprising a pulse valve, an air storage chamber, and a sleeve is employed. By pressurizing an air source, the air storage chamber is disconnected from the sleeve, and the air pressure is used to push the plug to vibrate the raw coal bunker to clear the blockage.
It effectively and quickly clears blockages in the raw coal bunker, ensuring normal equipment operation and preventing blockages from occurring.
Smart Images

Figure CN224512082U_ABST
Abstract
Claims
1. A device for clearing a raw coal bin, characterized by, The device includes a pulse valve, a gas storage chamber, and a sleeve. The gas storage chamber is connected to the sleeve via the pulse valve, which controls the connection and disconnection between the gas storage chamber and the sleeve. The sleeve cavity contains a plug, a connecting shaft, a limiting block, and a return spring. The plug is located at the port of the cavity. The near end of the connecting shaft is connected to the plug, and the far end is provided with a stop block. The limiting block is located between the stop block and the plug, and the return spring is located between the stop block and the limiting block.
2. A device for clearing a coal bin according to claim 1, wherein The pulse valve includes a first air port, a second air port, and a third air port. The first air port is connected to the air source through a hose, the second air port is connected to the air storage chamber through a first fitting, and the third air port is connected to the sleeve through a second fitting.
3. A device for clearing a coal bin according to claim 1, wherein The plug includes an air-blocking part, a diffuser part, and a connecting part. The air-blocking part is connected to the connecting part through the diffuser part, and the connecting part is connected to the connecting shaft. The air-blocking part is adapted to the port of the cavity. The diffuser part is frustum-shaped, with the smaller end face connected to the connecting part and the larger end face connected to the air-blocking part. A sleeve is fitted onto the connecting shaft.
4. A device for clearing blockages in a raw coal bin according to claim 1, characterised in that, The limiting block includes a connecting ring and a fixing block. The connecting ring is provided with a clearance hole to facilitate the passage of the connecting shaft. There are four fixing blocks in total, which are evenly distributed along the circumference of the connecting ring. The fixing blocks are fixedly connected to the inner wall of the sleeve.
5. A device for clearing blockages in a raw coal bin according to claim 3, wherein, The sleeve includes a straight cylinder and a cylinder head, and the plug is attached to the inner wall of the cylinder head; one end of the straight cylinder is connected to the cylinder head, and the other end is connected to the second pipe fitting.
6. A device for clearing a coal bin according to claim 2, wherein The hose is equipped with a solenoid valve for controlling the gas flow direction.
7. A device for clearing blockages in a raw coal bin according to claim 1, characterised in that, The bottom of the gas storage chamber is provided with a fourth air vent.