the high heat dissipation component just like power electronic devices usually use cold plate to control its hotspot temperature, water cooling plate is made of Cu or Al which has high heat conduction, as it works, implant water circulation system into the cold plate, and fasten electronic component on the cold plate, make use of the flowing water to take away the heat dissipated by the devices. compared with the air cooling system, the heat capacity of water is 4 times of the air, so water have better thermal load capacity, under situations of the same temperature rise and mass flow rate, the quantity of heat which water absorbent is also 4 times of the air.

1,Product Exhibition                 2,Product Description The heat recovery of low temperature flue gas is limited by the process conditions and the dew point of the acidic flue gas.  It is usually achieved by preheating the combustion air and turning the low value thermal energy in the flue gas to the high value thermal energy in combustion chamber. Traditional tubular preheater is usually big in volume, big in pressuredrop,prone to corrosion and easy to have the problem of ash clogging. Our company has designed and manufactured heat pipe air preheater to ease the above problems. The heat pipe air preheater has been used successfully in the preheater and boiler in the industries of petroleum, chemical,metallurgy, construction materials, electricity generation, etc. with significant energy saving. 3,Product  Structure The heat exchanger is consisted of casing, heat transfer bundle, the partitions of cold and hot sides, and the middle partition. The casing is divided into two regions by the middle partition, namely the cold stream passage and the hot stream passage. The heat transfer bundle is fixed on these three partitions. The heat transfer bundle located in the hot stream passage is the hot end while the heat pipe bundle in the cold stream passage is the cold end. The hot stream is the flue gas and the cold stream is the fresh air. 4,Product Characteristics     1. It is possible to adjust the surface temperature of the heat transfer component by changing the ratio of the hot end area to the cold end area of the heat transfer bundle. If the surface temperature is higher than the acid dew point of the flue gas, it could avoid low temperature acid corrosion. In comparison with tubular air preheater, the surface temperature will be higher at the same flue gas temperature. Thus it would reduce the low temperature acid corrosion. At the same surface temperature, it would reduce the temperature of flue gas and increase the thermal efficiency of the reheater and boiler.     2. Should it be impossible to avoid low temperature acid corrosion, anti-corrosion material could be used on the passage, which is subject to acid corrosion. Anti-corrosion surface treatment or enamel could be used to reduce the low temperature acid corrosion. When enamel is used, the heat transfer surface would be smooth with the additional advantage of reducing ash accumulation and easy cleaning.     3. In the exchanger, the flange and sealing materials used in the middle partition would provide effective sealing with minimum leaking between the hot stream and cold stream.     4. Both of the cold stream and hot stream transfer heat on the fin welded on the heat pipe. The exchanger has a compact structure and is lightweight.     5. The exchanger would be used in counter flows increasing the thermal efficiency.     6. Both of the cold and hot streams are single pass with less flow resistance.     7. The heat transfer component could be dismantled for easy inspection and maintenance.     8. The heat transfer component could be placed vertically or with an inclination angle between 5 and 10 degree with the cold end above the hot end.

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（1）Product Exhibition