5results about How to "Prevent flashback" patented technology

Embodiments of the present application disclose a wild pointer processing method, system, device and storage medium. According to the type information of each memory object, the technical solution provided by the embodiments of the present application determines the memory object of a specified type as a target memory object; then in the case of releasing the target memory object, a target zombie object is created, the instruction set architecture pointer of the target memory object is modified, and the instruction set architecture pointer is pointed to the target zombie object; and then the target zombie object is saved to the application memory, so that when the calling party uses the instruction set architecture pointer to call the target memory object, the calling party is intercepted based on the target zombie object through a message forwarding mechanism, and the calling logic is processed. By using the above technical means, the wild pointer processing of the online running environment of the application program can be realized, the application program can be prevented from crashing, the running effect of the application program is optimized, and the user experience is improved.

This utility model relates to the field of gas appliance technology, specifically providing a honeycomb heating element and a burner for use in a burner. The honeycomb heating element includes a honeycomb heating element body and a first flow restrictor. The first flow restrictor includes a first flow restricting part and a second flow restricting part, which cooperate to form a groove-shaped structure. The honeycomb heating element body is embedded in the groove-shaped structure. The first flow restricting part is attached to the bottom of the honeycomb heating element body; the second flow restricting part is attached to the side surface of the honeycomb heating element body to form a tight, filling fit with the inner wall of the outer ring of the burner cavity when the honeycomb heating element body is installed in the burner cavity. This utility model improves the sealing performance of the honeycomb heating element when installed in the burner cavity, preventing gas flow from flowing out from the junction of the honeycomb heating element and the burner cavity, improving the stability of gas combustion, and avoiding backfire.

The utility model is suitable for the technical field of combustor, provides a kind of porous combustor of preventing backfire, including base;Combustor body is installed in the top of base, the combustor body is equipped with the gas mixing bin for providing mixed combustible gas and combustion-supporting gas space;Cooling jacket is sleeved in the inside and outside of the gas mixing bin for providing drainage channel to assist the heat dissipation of the gas mixing bin;Cold water tank is fixed in the top of base for storing cold water, hot water pump is equipped in the cold water tank for extracting cooling water.The porous combustor of preventing backfire provided in the scheme is provided with cooling jacket, cold water tank, hot water pump, stirring mechanism and other components, effectively dissipates heat to the gas mixing bin, prevents backfire phenomenon caused by excessively high temperature, and improves the use safety of combustor.

The application discloses a coal-burning prevention coal hopper structure of a biomass boiler and a use method thereof, and relates to the technical field of boiler feeding, which comprises a feeding pipe, wherein the feeding pipe comprises a vertical section, a horizontal section and an inclined section which are sequentially communicated; two first baffles are arranged on the inner side wall of the top of the inclined section of the feeding pipe; two second baffles are arranged on the inner wall of the bottom of the inclined section of the feeding pipe; and the first baffles and the second baffles are staggered. Two feeding assemblies are arranged on the inner wall of the bottom of the inclined section of the feeding pipe. In the process of moving the transmission block, the movement of the baffle can be realized through the connecting seat, the ball head and the connecting rod, so that the baffle is drawn out of the feeding pipe, the materials in the feeding hopper enter the position below the baffle through the baffle, meanwhile, the other baffle seals the feeding pipe, and thus, the reheating phenomenon in the feeding pipe is avoided, and the materials in the feeding hopper are prevented from being burned.

The utility model provides a pretreatment device for organic waste gas combustion treatment, which relates to the technical field of waste gas treatment and comprises a treatment box, a heat preservation partition plate is fixedly connected inside the treatment box and close to the center, and a stable area and a water seal area are arranged on two sides of the heat preservation partition plate. A U-shaped pipe penetrates through and is fixedly connected to the position, close to the top, of the surface of the heat preservation partition plate, and a J-shaped pipe is arranged in the stable area. According to the utility model, the treatment box is divided into a gas stable area and a water seal area by a heat preservation partition plate in the middle of the treatment box. The gas stabilizing area is used for cooling and pretreating organic waste gas, stabilizing the concentration of the waste gas and reducing the safety and environmental protection problems caused by the increase of the concentration of the waste gas. And the water seal area is mainly used for isolating the gas inlet pipe and the gas outlet pipe by using water to prevent a tempering phenomenon and a safety problem, so that the concentration of the organic waste gas can be relatively stably controlled, and the effects of safety and environmental protection caused by concentration fluctuation are reduced.