Control method for preparation of high-density carbon dioxide
A carbon dioxide and control method technology, applied in chemical instruments and methods, electrical program control, program control in sequence/logic controllers, etc., can solve the problems of high cost and low efficiency, achieve small shock and vibration, and improve work efficiency , The effect of reducing the cost of equipment input
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[0054] Example 1
[0055] Reference figure 1 As shown, the present invention provides a control method for preparing high-density carbon dioxide, which is characterized in that it includes the following steps:
[0056] S1. Step 1. After the device is started, initialize it and check whether the device is operating normally. Determine the pressure of the liquid carbon dioxide before entering the liquid. When the liquid carbon dioxide reaches the preset pressure value, go to step two.
[0057] Optionally, in step one, the preset pressure value is 1.5-2.2Mpa. Generally speaking, dry ice preparation needs to be carried out under high pressure (8.0MPa), gas CO 2 It is liquefied under normal temperature conditions, and then becomes cryogenic liquid after throttling and expansion, and then enters the dry ice machine to prepare dry ice. The power consumption of the equipment is extremely high. The embodiment of the present invention is prepared by using a low pressure method (1.5MPa-2.5MPa...
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[0083] Example 2
[0084] Reference figure 1 As shown, this embodiment provides a control method for preparing high-density carbon dioxide, using the following high-density carbon dioxide molding equipment:
[0085] Reference figure 2 As shown, this embodiment provides a high-density carbon dioxide molding equipment, which includes a frame body 1 and a turntable 2 arranged in the frame body 1, a liquid inlet unit 3, a pressing unit 4 and a demolding unit 5. The units are independent of each other and work together to complete the preparation of high-density solid carbon dioxide.
[0086] Optional, reference figure 2 , 4 As shown, there are at least two of the liquid inlet station 22, the pressing station 23 and the demolding station 24, and the same two stations are symmetrically arranged on the turntable 2. In the present invention, the liquid inlet unit 3, the pressing unit 4 and the demolding unit 5 are arranged in the circumferential direction through a multi-station design of...
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