High Performance Motorized Air Damper - Liquid Circulation Heat Exchangers – Holtop
High Performance Motorized Air Damper - Liquid Circulation Heat Exchangers – Holtop Detail:
Liquid Circulation Heat Exchanger
Working Principle
Liquid circulation heat exchanger is liquid to air heat exchanger, heat exchangers installed in both fresh air side and exhaust air side, the pump between the 2 heat
exchangers make the liquid circulate then the heat in the liquid preheat or precool the fresh air. Normally the liquid is water but in order to decrease the freezing point,
moderate ethylene glycol will be added into the water according to reasonable percentage.
Features
(1) Fresh air and exhaust air heat exchanged by separated liquid pipes, zero cross contamination.Suitable for hospital, germfree lab and industries which discharge
poisonous and harmful gas.
(2) Stable and reliable operation, long service life
(3) Flexible connection between fresh air and exhaust air exchangers, easy installation which is convenient for old AHU improvement.
(4) Accessories like water pump, heat exchangers are conventional, easy and low maintanence costs.
(5) Wide range of application, various connection ways like one to one, one to many or many to many.
Specifications
(1) Liquid circulation heat exchanger is sensible heat exchanger, efficiency is between 55% to 60%.
(2) Suggested rows are 6 or 8, face velocity not over 2.8m/s
(3) The choice of circulating pump can refer to the fresh air and exhuast air pressure drop and the waterflow pressure drop.
(4) Air flow direction has significant effect on the heat recovery efficiency, influence rate up to 20%.
(5) Freezing point of the hybrid ethylene glycol and water should be 4 to 6 celsius lower than the local minimum winter outdoor temperature, percentage of hybridcan
be refered to the following table.
| Freezing point | -1.4 | - 1.3 | -5.4 | -7.8 | -10.7 | -14.1 | -17.9 | -22.3 |
| Weight percentage (%) | 5 | 10 | 15 | 20 | 25 | 30 | 35 | 40 |
| Volume percentage (% ) | 4.4 | 8.9 | 13.6 | 18.1 | 22.9 | 27.7 | 32.6 | 37.5 |
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Product detail pictures:
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We can constantly satisfy our respected customers with our good high quality, good price tag and good support due to we have been additional specialist and extra hard-working and do it in cost-effective way for High Performance Motorized Air Damper - Liquid Circulation Heat Exchangers – Holtop, The product will supply to all over the world, such as: Iraq, Spain, Los Angeles, We always adhere to follow the honesty, mutual benefit, common development, after years of development and the tireless efforts of all staff, now has perfect export system, diversified logistics solutions, comprehensive meet customer shipping, air transport, international express and logistics services. Elaborate one-stop sourcing platform for our customers!
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By Joyce from Islamabad - 2015.12.25 12:43
Sales manager is very enthusiastic and professional, gave us a great concessions and product quality is very good,thank you very much!
By Nana from Mexico - 2016.07.07 13:00
