Anti-blocking device for gate valve

• Main Authors: WEI PEI, WANG CUNZHI, ZHANG ZHENGPENG
• Format: Patent
• Language: Chinese; English
• Published: 15.12.2023
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The utility model discloses an anti-blocking device for a gate valve, which belongs to the technical field of steel production and comprises the gate valve arranged at an ash outlet of an ash bin of a dust remover, a feed opening of the gate valve is communicated with a main ash conveying pipeline, and the main ash conveying pipeline is connected with a suction and discharge tank car to suck away dust. A bypass pipeline communicated with the main ash conveying pipeline is arranged on the gate valve; a valve body, matched with the gate plate, in the gate valve is provided with an ash collecting groove, the bypass pipeline is communicated with the ash collecting groove, the cross section of the ash collecting groove is a trapezoid section, and the lower end face of the ash collecting groove is a slope face inclining towards the bypass pipeline. According to the utility model, by utilizing the suction force of the suction and discharge tank truck, the dedusting ash leaking to the valve body of the gate valve is