High quality air cooler heat exchanger custom air cooling heat
exchanger Detailed Photos Category
IntroductionIntroduction of air-cooled heat exchangerAir-cooled
heat exchanger is a cooling equipment used in refining, chemical,
metallurgy, power station and other industries. It is used to cool
various industrial media. Compared with other cooling equipment:
Advantages, air-cooled heat exchangers use air as the cooling
source, energy and water saving effect is very significant;
Disadvantages, large footprint, large one-time investment.Air
cooler classification:According to the cooling medium is divided
into:Dry air cooler Wet air cooler Surface evaporative air
coolerAccording to the heat transfer element is divided
into:Tubular heat exchanger Plate air cooler, etc.Air cooler
application scope:Dry air cooler can cool the medium to 200C above
ambient temperature;Wet air cooler can cool the medium to 3~50C
above the ambient temperature;Surface evaporative air cooler can
cool the medium to close to the ambient temperature, and in special
cases can be cooled to lower than the ambient temperature. It can
replace the water cooler.Introduction of surface evaporative air
coolerSurface evaporative air cooler is a new type of air cooler
that integrates water cooling and air cooling, heat transfer and
mass transfer processes into one and has the advantages of both; it
is an efficient condensing and cooling equipment with high heat
transfer efficiency, low investment, low operating cost, compact
structure, energy saving and water saving, which is used in
refining, chemical industry, electric power, metallurgy,
refrigeration, light industry and other industries. So far,
evaporative air-cooling has been widely used in ketone benzene
units, gas separation units, alkylation units, propane deasphalting
units, coking units, distillation units, catalytic units, reforming
units, sulfur recovery units, light hydrocarbon recovery units,
etc. in major petrochemical enterprises in China.Structure of
surface evaporation air coolerComposition:Fan, heat exchanger
stainless steel tube, finned tube, spraying system, light tube
bundle, water tankFeatures:Fan - induced draft fan; finned tube -
bimetallic rolled tube; spray system - stainless steel, double
water pump light tube bundle - surface heat-incorporated zinc, silk
plugged tube box; water tank - surface FRP anti-corrosionSurface
evaporation air cooler mechanismHeat transfer mechanism:The water
film is formed on the surface of the light pipe, and the heat is
taken away by the evaporation of the water film. Both the
temperature rise of the air and the temperature rise of the water
take away heat, and the latent heat of vaporization of the water
takes away heat.Scope of application:It is used for the
condensation cooling of low temperature process medium with an
inlet temperature of 160-80ºC, and the outlet temperature of the
medium can be cooled to close to the ambient wet bulb temperature.
It can replace the rear water cooler and wet air cooler.Surface
evaporation air cooler process selectionProcess calculation
method.The calculation method is different from the traditional air
cooler, which is beyond the scope of air cooler; at present, only
our company has the ability to calculate.Surface evaporative air
coolerSurface evaporative air cooler development direction.Improve
the corrosion resistance of heat exchanger tube Solve the problem
of decreasing cooling effect Solve the problem of icing in winter
Improve the corrosion resistance of water tank and shutter Improve
the life of fan bearingSurface evaporative air coolerMeasures
taken:Heat exchanger tube corrosion problemMeasures: heat invasion
zinc, composite aluminum tube, heat exchanger stainless steel
tubeCooling effect decline Cause: light tube surface scaling
Measures: effective control of media into the evaporation section
temperature, increase the spray space and strict control of water
quality Winter icing problemsMeasures: design concept changeFan
bearing life is lowMeasures: the use of bearings and bearing
housing integrated whole bearingWater tank, louver
corrosionMeasures: sandblasting and rust removal before painting
and water tank surface FRP anti-corrosionSurface evaporation air
cooler economyGas separation unit propylene tower top condenser
(compared with water cooler)Surface evaporation air cooler
economicsCoking unit fractionation tower top air cooler (compared
with dry air cooler plus post water cooler)Surface evaporative air
cooler operabilityAnnual operating cost is about 30% of post water
cooler and 65% of wet air cooler. Floor space is approximately 50%
of dry air plus aftercooling and 43% of wet air cooling. Excellent
operational flexibility Excellent anti-freeze and winter
resistance.Product Parameters Product NameAir cooler heat
exchangerCompany abbreviationDJSMaterialStainless
SteelApplicationIndustrial Cooling SystemWarranty2yearOriginWuxi,
ChinaPackingin whole shipmentColorStainless Steel ColorMOQ1 se
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