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JET Condensers VS Surface Condensers

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Course

Mechanical Engineering (MECH201)

264 Documents
Students shared 264 documents in this course
Academic year: 2016/2017
Uploaded by:
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Tharun S G
Indira Gandhi National Open University
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Following table gives the comparison between the two types of condensers.

Jet Condensers

Surface Condensers

  1. Contact between steam and cooling water is direct. They form a mixture of condensate and water after heat exchange.

  2. Condensate is not fit for reuse as boiler feed water since circulating water contains impurities.

  3. Vacuum rarely exceeds 650 mm of mercury.

  4. Quantity of cooling water is less.

  5. Less maintenance cost.

  6. Low manufacturing cost.

  7. Requires less floor area.

  8. More auxiliary power required.

  9. Exhaust steam and cooling water do not come into contact directly. Condensate and circulating water never mix together.

  10. Condensate is quite fit for reuse as boiler feed water.

  11. Very high vacuum can be created. So higher plant efficiency.

  12. Larger quantity of water is required.

  13. Maintenance cost is high.

  14. High manufacturing cost.

  15. Requires large floor area.

  16. Less auxiliary power required.

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JET Condensers VS Surface Condensers

Course: Mechanical Engineering (MECH201)

264 Documents
Students shared 264 documents in this course

University: University of Kerala

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Following table gives the comparison between the two types of condensers.
Jet Condensers
Surface Condensers
1. Contact between steam and cooling
water is direct. They form a mixture of
condensate and water after heat
exchange.
2. Condensate is not fit for reuse as boiler
feed water since circulating water
contains impurities.
3. Vacuum rarely exceeds 650 mm of
mercury.
4. Quantity of cooling water is less.
5. Less maintenance cost.
6. Low manufacturing cost.
7. Requires less floor area.
8. More auxiliary power required.
1. Exhaust steam and cooling water do not
come into contact directly. Condensate
and circulating water never mix together.
2. Condensate is quite fit for reuse as boiler
feed water.
3. Very high vacuum can be created. So
higher plant efficiency.
4. Larger quantity of water is required.
5. Maintenance cost is high.
6. High manufacturing cost.
7. Requires large floor area.
8. Less auxiliary power required.

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