In the summer of 2017 is coming again, but how cold water machine selection?
How to choose and buy cold water machine?
Has also been a cold water machine users headaches.
Cold water factory with more than ten years of the cold water machine research and development and production experience, summed up some cold water type issued notice, for your reference:
a, you first need to understand what cold water machine model:
1, points: the form of the compressor piston water chiller, screw chiller and centrifugal
industrial ice machine.
2, according to the types of fuel, fuel type (
Diesel oil, heavy oil)
Type and gas (
Kerosene, and gas)
。
3, according to the condenser cooling way: water-cooled chiller and air-cooled water-cooled machine.
4, according to the energy use of forms: ChanLengXing heat pump, heat poor and single any cool storage function.
5, according to the cold water temperature: KongDiaoXing (
7, 10, 13, 15 degrees)
And low temperature type (
-
5 c ~ -
30 degrees)
。
6, according to the sealing way: open, semi-closed, fully enclosed.
7, according to the load cooling points: water-cooled chiller, brine industrial ice machine, ethylene glycol chiller.
8, according to the energy compensation of different points: power compensation (
Compression type)
And thermal compensation (
Absorption)
。
9, according to the different heat source (
Absorption)
: hot water operated, steam, direct.
2, when selection should pay attention to the following questions:
1 refrigeration system load = indoor load + + new wind load and heat load.
If the air conditioning system is the total load estimate index calculated by the air conditioning load, the refrigeration system load total = air conditioning system load.
2 choose electric drive cold water machine, when a single air conditioning refrigerating capacity Q>
1163 kw, appropriate chooses centrifugal chiller: when Q = 580 -
Is 1163 kw, appropriate chooses centrifugal and screw chillers: when Q<
580 kw, appropriate chooses piston type water industrial ice machine.
When the winter average temperature is higher than outdoor -
Unit 10 ℃ when, can choose ReBengShi cold and hot bath water.
3 electric refrigerator refrigeration system COP higher than absorption chiller thermal system s about more than three times.
Consumption has a low to high order: centrifugal, screw and piston type, absorption.
Therefore, only when the appropriate heat source, especially the places where waste heat or waste heat can be used, or lack of electricity place, appropriate chooses absorption refrigerating machine.
4 cooling mechanism to choose 2 - general
Four advisable, small and medium size appropriate chooses 2 sets, can choose three larger, oversize can choose four.
As spare unit to consider between and the possibility of rotation use.
Machine room can adopt different capacity of the unit with a combination of solutions, to save energy.
5 when choosing chillers pollution to the environment should be considered: one is the noise and vibration, to meet the requirements of the environment: the second is the harm of refrigerants of atmospheric ozone layer and the size of the greenhouse effect.
6 for the number of cold water machine should avoid as far as possible to choose the single units, in conditions allow, can choose two or more cold water machine, so don't consider the spare unit, and the load change.
cold water machine:
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