On May 16, 2026, according to the China National Intellectual Property Administration, Shenyang Huitian Thermal Power Co., Ltd. applied for a patent entitled "Intelligent lock for valve prevention and control and its control method". The application publication number was CN122040935A, and the application publication date was May 15, 2026.
The patent abstract shows that the invention relates to the field of safety control technology for heating, water supply or industrial pipeline valves. By controlling only the manual operation authority of the valve stem without changing the original opening and closing structure of the welded ball valve, a safety management mode of "not automatically opening and closing the valve, only allowing manual operation after authorization" is achieved. This technology combines remote communication and abnormal alarm mechanism, making valve operation behavior authorized, monitored, and traceable.
Huitian Thermal Power was established in 1993 and is a domestic enterprise in the heating field, mainly providing heating and heating engineering services for residents and non residents. In 2025, the company's operating revenue will be 2.104 billion yuan, with heating and gas supply accounting for 92.39% of its main business.