Beijing Holtop Artificial Environment Technology Co., Ltd
| Packaging Details | box |
| Delivery Time | Two weeks |
| Payment Terms | TT |
| Supply Ability | 200000 units per year |
| Product name | Liquid Circulation Heat Exchangers |
| Colour | White |
| Efficiency | 55% to 60% |
| Type | Sensible heat exchanger |
| Place of Origin | Beijing, China |
| Brand Name | Holtop |
| Model Number | Liquid Circulation Heat Exchangers |
| Certification | CE |
View Detail Information
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Product Specification
| Packaging Details | box | Delivery Time | Two weeks |
| Payment Terms | TT | Supply Ability | 200000 units per year |
| Product name | Liquid Circulation Heat Exchangers | Colour | White |
| Efficiency | 55% to 60% | Type | Sensible heat exchanger |
| Place of Origin | Beijing, China | Brand Name | Holtop |
| Model Number | Liquid Circulation Heat Exchangers | Certification | CE |
| High Light | Liquid heat exchanger air handling unit ，ODM heat exchanger air handling unit ，ODM liquid to liquid heat exchanger | ||
• Sensible heat exchanger (Heat recuperators)
• Efficiency 55% to 60%
• Zero cross contamination
• Stable and reliable operation
• Long service life
• Easy installation
• Low maintenance cost
• Application: AHU for hospital, Germfree Lab, etc
Products Detail
Liquid Circulation Heat Exchanger -Heat recovery core of AHU
Working Principle
Liquid circulation heat exchanger is liquid to air heat exchanger, heat exchangers usually installed in both fresh air (OA) side and exhaust air (EA) side, the pump between the two heat exchangers make the liquid circulate, then the heat in the liquid pre-heat or pre-cool the fresh air. Normally the liquid is water, but In winter, in order to decrease the freezing point, moderate ethylene glycol will be added into the water in reasonable percentage.
Features of Holtop Liquid Circulation Heat Exchanger
(1) Fresh air and exhaust air heat exchanged by separated liquid pipes, zero cross contamination. It suitable for heat recovery energy saving of air handling system of hospital, germfree lab and industries which discharge poisonous and harmful gas.
(2) Stable,reliable and long service life
(3) Flexible connection between fresh air and exhaust air exchangers, easy installation, which also is convenient for old AHU improvement.
(4) Heat exchangers are conventional, easy and low maintenance costs.
(5) Wide range of application, various connection methods like one to one, one to more, or many to many.
Specifications
(1) Liquid circulation heat exchangers is sensible heat exchangers, efficiency is between 55% to 60%.
(2) Suggested rows number in 6 or 8, face velocity not over 2.8 m/s
(3) The choice of circulating pump can refer to the fresh air and exhaust air pressure drop and the water flows 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 4-6 ℃ lower than the local minimum outdoor temperature of winter, percentage of hybrid can be referred 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 |
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2002
Total Annual:
2000000-5000000
Employee Number:
400~500
Ecer Certification：
Verified Supplier
Holtop is the leading manufacturer in China specializing in the production of air to air heat recovery equipments. Founded in 2002, it has dedicated to the research and technology development in the field of heat recovery ventilation and energy saving air handling equipments fo... Holtop is the leading manufacturer in China specializing in the production of air to air heat recovery equipments. Founded in 2002, it has dedicated to the research and technology development in the field of heat recovery ventilation and energy saving air handling equipments fo...
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