I would like to ask about the difference between installing the control valve at the outlet and at the inlet during heat exchange
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I work in instrument design, so there are some things I’m not clear about; please don’t laugh at me. Generally, the refrigerant medium enters from below and exits from above ； Currently, acrylic storage tanks need to be kept at temperatures between 18 and 25 degrees; temperatures below 14 degrees can cause condensation, while temperatures above 25 degrees lead to self-polymerization. Therefore, circulating water is used in winter and chilled water is used in summer to maintain the appropriate temperature. What I don’t understand is whether it’s better to control the outlet or the inlet for circulating water/ chilled water. Upon close examination, there isn’t much difference between the two; it’s a matter of what people are accustomed to using. Or perhaps it’s necessary to determine the advantages and disadvantages of each. Please explain this to someone who understands, as it’s important to give an accurate rating. Due to encryption software, images cannot be uploaded; please understand.
Ensure good outlet flow, so that after adjusting the flow rate, the medium can fill the heat exchanger properly and thus maintain effective heat exchange; LZ can search forums – there are many relevant discussions available
Reply 1# sun_fm: Imported ones are better. Assuming it is located at the outlet, after the control valve is closed, the refrigerant in the jacket can exchange heat with the refrigerant in the inlet pipe through Brownian motion, resulting in a greater cooling capacity that may cause supercooling inside the tank. If installed at the inlet, it can be shut off; the cooling capacity is reduced, and the likelihood of subcooling inside the tank is decreased.
It’s better to import them, as they allow for better adjustment.