Method for controlling liquid level in degassing tank of sterilization machine
A technology of liquid level control and degassing tank, which is applied in the direction of liquid level control, non-electric variable control, control/regulation system, etc. It can solve the problems of infusion pump stop running, proportional valve under-adjustment, and invalid control, etc., so as to prevent stoppage Transport, reduce the fluctuation range, and eliminate the effect of false liquid level
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[0011] The technical scheme of the present invention will be further elaborated below.
[0012] The invention relates to a liquid level control method in a degassing tank of a sterilizer. A liquid level sensor is arranged in the degassing tank, and a proportional valve for adjusting the feeding amount is also set on the feeding pipe of the degassing tank.
[0013] In this example, the actual minimum opening of the proportional valve is reset according to the preset minimum opening of the proportional valve when the liquid level sensor detects that the actual liquid level of the material in the degassing tank reaches the preset upper limit. Make the actual minimum opening of the proportional valve ≥ the preset minimum opening; the maximum opening of the proportional valve preset when the liquid level sensor detects that the actual liquid level of the material in the degassing tank reaches the preset lower limit, To reset the actual maximum opening of the proportional valve, so ...
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