Adjustment method for oxygen pressure adjustment apparatus by electric furnace
A technology of adjusting device and adjusting method, applied in the direction of furnace control device, electric furnace, furnace, etc., can solve problems such as high pressure, valve oscillation, long procurement cycle, etc., and achieve the effect of low cost and small changes
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[0015] The present invention aims to solve the problem of overcoming the influence of huge changes in production gas and stabilizing the gas delivery pressure in the occasion where a gas buffer tank cannot be installed. Utilize two membrane regulating valves, one large and one small, and set several working points according to the set value of the flow rate, and automatically switch between the two valves. The large valve and the small valve cooperate to adjust each other, which can ensure the pipeline gas under the large and small flow rate. The pressure remains stable, meets the requirements of the process, and saves equipment investment.
[0016] Specifically as figure 1 As shown, the present invention is that the oxygen main pipe 1 is connected to the burner and the oxygen lance through the main pipe 5 and the branch road 6 respectively; There is a branch regulating valve 4, so that the pressure adjustment of the oxygen main pipe can be realized through the cooperation of...
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