May I ask what are some good solvent condensers?
Thread Content
Our factory is still using shell-and-tube condensers at the moment, which results in a significant amount of solvents being released into the atmosphere. I was wondering if there are any more efficient condensers available
May I ask the original poster: What is the solvent? Is the pressure above 0.6 MPa? The solvent condenser that currently yields good performance is the block-hole graphite condenser.
The key lies in the properties of the solvent; if it is highly corrosive, non-metals are naturally the preferred choice. However, I also think that the on-site conditions mentioned by the original poster should not involve such factors; it’s just that a more ideal recycling effect is desired. I have designed finned heat exchangers for solvent recovery in pharmaceutical plants, as well as for the recovery of such exhaust gases in fine chemical plants. For such operating conditions, water cooling is usually chosen. For gas-liquid heat exchange, from the perspective of heat transfer efficiency alone, expanse fin heat exchangers naturally offer excellent performance. However, more often it is necessary to take into account the conditions of the on-site processing as well; as discussed in a post on a forum a couple of days ago at http://bbs.hcbbs.com/viewthread.php?tid=364975&highlight=%C0%E4%C4%FD. Only by choosing an efficient heat exchanger while meeting the requirements of the production process can the desired results be achieved.
Our solvent is propylene, and the gas that is recovered is also propylene gas; the pressure is very low. I found the SECESPOL high-efficiency condenser online, but I’m not sure if it works as well as they claim
If the operating pressure is not high, i.e., below 1.0 Mpa, plate heat exchangers can be considered for cooling applications where high heat exchange efficiency is required. High-quality options are available from Swedish company Alfa Laval, and there are also many domestic manufacturers that produce such exchangers.
The properties of the solvent must be clear; what works for graphite may not work in this case； Hasn’t your condensation area met the required standard? It is recommended to use multi-stage condensation; the temperature of the refrigerant should be as low as possible