Gas
Burner Safety Valve is an important part of the blast furnace steel smelting equipment. gas burner valve's main role is to blast heated to the required temperature, to improve the effectiveness and efficiency of the blast furnace. But in the smelting process often want to adjust the size of the gas flow in order to meet a variety of conditions for steel smelting. In order to achieve the purpose of freely adjust the airflow needed valves or gas burner valve open or closed. Wherein the gas burner valve open and close instantly generate a loud noise, and the noise has already become one of the three major threats to human survival pollution, noise of people have serious psychological and physiological effects. Hence, the need for gas burner valve acoustic simulation analysis, in order to get the noise level of the Gas
Grill Control Valve, thereby determining the degree of noise hazards, and the main reason for the noise generated by the vibration, but also due to the valve or valve in the process of using high frequency belonging prone to damage the parts, so the gas burner valve said anything solid coupling analysis of noise and strength check has important practical significance.
Author for the study of a gas burner valve acoustic structure interaction analysis, mainly from the modal shape and sound solid coupling analysis and other aspects of the area around the valve body and the fluid. Focus calculated valve and valve surrounding sound field, got within a certain area around the gas burner valve noise level in order to achieve noise reduction by changing the structure of the results, and expect the results of this calculation for the gas Burner Valve noise can have some reference significance.
Gas valves are widely used for a variety of city gas pipeline network system media pipeline gas, liquefied petroleum gas, natural gas and oxygen. Drive in the form of a manual, worm gear, electric, pneumatic, hydraulic, electro-hydraulic actuator linkage, enabling remote control and automation.
2015年3月29日星期日
2015年2月28日星期六
Technical difficulties of gas safety burner valve
Dual blade superhard relatively common seal gas safety burner valve seal gas safety burner valve, Aluminum safety gas valve is suitable for high temperature, high pressure, high erosion and corrosion and other working conditions, the following technical difficulties in the design and manufacturing process.
(1) Sealing pressure seal in the design of high pressure than when you should be appropriate to the requirements of high dimensional chain between the parts and improve the surface roughness.
(2) the sphere surface with high hardness, high hardness and self-cleaning function of particles of various operating conditions, the gas safety burner valve opening of the process Gas Grill Control Valve will be particles adhere to the surface of a sphere, the sphere surface hardness requirements of the gas safety burner valve is closed when the state is higher than the hardness of the particles conditions , but also to "self-cleaning" function, otherwise damage the surface of the sphere, it will affect the sealing performance of the gas safety burner valve between the seat and the ball.
(3) casting and forging more gas brass safety valve difficult to use a temperature higher than 600 ℃, castings and forgings prone to cracks, casting and forging process very demanding.
(4) sealing surfaces are processed with a hard ball superhard material or surface hardening treatment, universal tool can not be processed, which can be processed even if the machining accuracy can not meet the requirements, but also requires processing apparatus has sufficient strength, and therefore to select the appropriate tool is very important.
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