Could someone please help me figure out what kind of heat exchanger would be suitable? Urgent! Urgent! Urgent! ! !
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There is a pump with a flow rate of 10 m3/h. There is a pipe mixer on the pump’s outlet pipeline; 37% acid needs to be mixed in (its flow rate can be ignored), and sometimes 30% liquid alkali is mixed in as well (its flow rate can also be ignored). The mixture then enters a heat exchanger, where steam is used to raise its temperature from room temperature (taken as 5°C) to 55°C. Question: 1. What should be the heat exchange area? Could you provide the calculation sheet? 2. What type of heat exchanger should be chosen? Plate type, shell-and-tube type, spiral plate type? In what situations is each one applicable? 3. What material should be used? Is it better for the steam to flow in the tube side or the shell side? Thank you so much! !
The question posed is essentially a design task; one needs to learn some basic knowledge first before asking it. What needs to be clear first is whether the material in question reacts with acids or bases, or whether it merely gets diluted It is necessary to know the physical properties of the mixture, such as specific heat, boiling point, density, and fouling coefficient, as well as the specifications of the steam, such as saturated steam pressure. Basic data is required to start designing heat exchangers; this is just a brief idea for reference.
Is there anyone who can help solve this? I would be extremely grateful! ! :'(:'(
For systems that use steam, plate heat exchangers are not recommended; since you’re dealing with acid and alkali corrosion, it’s best to consult a professional in heat exchanger design and provide them with the relevant parameters
The parameters you’ve provided aren’t complete either; even if I wanted to help, I wouldn’t be able to. The poster can directly contact the heat exchanger manufacturers and provide them with details about their operating conditions; the manufacturers will then design or select an appropriate solution for them – all it takes is a phone call.
Shell-and-tube heat exchanger, steam flows in the shell side; the heat exchange tubes are made of 304 or 316L material, while the shell is made of carbon steel depending on your medium； There is no information on steam pressure, nor on the specific composition of the medium; it’s difficult to estimate the heat exchange area
Sometimes dilute acids get mixed in; it’s not clear what kind of acid it is. Ordinary material heat exchangers probably won’t work for this; corrosion resistance is required
Plate heat exchangers are not recommended; shell-and-tube heat exchangers or coiled tube heat exchangers can be used. Steam flows through the shell side, while the process fluid flows through the tube side. The shell side can be made of carbon steel, while the tube side should be made of stainless steel or Hastelloy, depending on the corrosive properties of the fluid. Steel that can meet both acid and alkali corrosion requirements is usually grade 316L or higher. Due to incomplete data, I have made a rough estimate that a heat exchange area of over 10 m2 should be sufficient
The conditions are not complete; it’s impossible to calculate. Steam requires specific temperature and pressure, as well as information on whether it is saturated steam. What medium is 10 cubic meters per hour?
:What medium is it, 10 m3/h? . . This question is asked without any context; the heat capacities of different materials vary quite significantly. You also didn’t specify how long it takes to heat from room temperature to 55 degrees. If the question is not professional, the answer given will also be unprofessional. Can you believe that, original poster?