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Special Design for Solar Air Ventilator - Liquid Circulation Heat Exchangers – Holtop

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Special Design for Solar Air Ventilator - 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
5 6

Product detail pictures:

Special Design for Solar Air Ventilator -
 Liquid Circulation Heat Exchangers – Holtop detail pictures

Special Design for Solar Air Ventilator -
 Liquid Circulation Heat Exchangers – Holtop detail pictures


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Our advancement depends over the superior machines, exceptional talents and continually strengthened technology forces for Special Design for Solar Air Ventilator - Liquid Circulation Heat Exchangers – Holtop, The product will supply to all over the world, such as: Las Vegas , Peru , Bulgaria , We welcome you to visit our company & factory and our showroom displays various products that will meet your expectations. Meanwhile, it is convenient to visit our website. Our sales staff will try their best to provide you with the best services. If you need more information, please do not hesitate to contact us via E-mail, fax or telephone.
  • The company leader recept us warmly, through a meticulous and thorough discussion, we signed a purchase order. Hope to cooperate smoothly
    5 Stars By Honey from San Francisco - 2016.09.26 12:12
    The company has rich resources, advanced machinery, experienced workers and excellent services, hope you keep improving and perfecting your products and service, wish you better!
    5 Stars By Jean from Turkmenistan - 2015.10.09 19:07

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