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 personnel are always inside the spirit of "continuous improvement and excellence", and together with the outstanding excellent goods, favorable price and good after-sales services, we try to gain every customer's trust for Special Design for Solar Air Ventilator - Liquid Circulation Heat Exchangers – Holtop, The product will supply to all over the world, such as: Ecuador, Roman, Turin, Our company has abundant strength and possesses a steady and perfect sales network system. We wish we could establish sound business relationships with all customers from at home and abroad on the basis of mutual benefits.
  • The customer service reprersentative explained very detailed, service attitude is very good, reply is very timely and comprehensive, a happy communication! We hope to have a opportunity to cooperate.
    5 Stars By Erica from Iraq - 2015.12.05 13:53
    This is a very professional and honest Chinese supplier, from now on we fell in love with the Chinese manufacturing.
    5 Stars By Alice from Tajikistan - 2016.11.29 11:09

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