Structural characteristics of small reactor
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- Time of issue:2017-12-21
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(Summary description)What are the structural characteristics of the small reactor? Shell and tube heat exchanger manufacturers say: 1. Operating pressure The small reactor has a higher operating pressure. The pressure in the kettle is caused by a chemical reaction or is formed by a temperature increase. The pressure fluctuates greatly, and sometimes the operation is unstable. The sudden pressure increase may exceed the normal pressure several times. Therefore, most reactors are pressure vessels. 2. Operating temperature Small reactors have relatively high operating temperatures, and chemical reactions usually need to be carried out under certain temperature conditions, so the reactors bear both pressure and temperature.
Structural characteristics of small reactor
(Summary description)What are the structural characteristics of the small reactor? Shell and tube heat exchanger manufacturers say: 1. Operating pressure The small reactor has a higher operating pressure. The pressure in the kettle is caused by a chemical reaction or is formed by a temperature increase. The pressure fluctuates greatly, and sometimes the operation is unstable. The sudden pressure increase may exceed the normal pressure several times. Therefore, most reactors are pressure vessels. 2. Operating temperature Small reactors have relatively high operating temperatures, and chemical reactions usually need to be carried out under certain temperature conditions, so the reactors bear both pressure and temperature.
- Categories:Industry News
- Author:
- Origin:
- Time of issue:2017-12-21
- Views:
What are the structural characteristics of the small reactor? Shell and tube heat exchanger manufacturers say:
1. Operating pressure
The small reactor has higher operating pressure. The pressure in the kettle is caused by a chemical reaction or is formed by a temperature increase. The pressure fluctuates greatly, and sometimes the operation is unstable. The sudden pressure increase may exceed the normal pressure several times. Therefore, most reactors are pressure vessels.
2. Operating temperature
Small reactors have relatively high operating temperatures, and chemical reactions usually need to be carried out under certain temperature conditions, so the reactors bear both pressure and temperature. There are usually the following methods to obtain high temperature:
1. Water heating
It can be used when the temperature is not high. The heating system has two types: open type and closed type.
2. Steam heating
When the heating temperature is below 100℃, it can be heated with steam below one atmospheric pressure; in the range of 100~180℃, saturated steam is used; when the temperature is higher, high-pressure superheated steam can be used.
3. Heating with other media
If the process requires high temperature operation or high-pressure heating systems are to be avoided, other media can be used instead of water and steam, such as mineral oil (275~300℃), diphenyl ether mixture (boiling point 258℃), molten salt (140~540℃), liquid lead (melting point 327℃), etc.
4. Electric heating
The resistance wire is wound on the insulating layer of the reaction kettle cylinder, or installed on a special insulator a few distances away from the reaction kettle. Therefore, a small space gap is formed between the resistance wire and the reaction kettle body.
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