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Screw water chiller with lithium bromide chiller advantages and disadvantages compared

Screw water chillers and lithium bromide chiller is one of the common cold source of air conditioning system, its each has its advantages and disadvantages. Cold water vendors would analysis for you is as follows:
a, the characteristics of the screw water chillers
1. 1 the advantages
a. Due to the direct water cooled screw chiller powered by electricity, general product can effect comparing is more than 4, is a kind of energy-saving products.
  b. Initial investment of equipment, no special room, can be directly placed on the roof or a ceiling.
  c. Design life is high, service life long, the energy attenuation can be ignored.
  1. 1. Shortcomings
2 screw water chillers powered by electricity, for electricity shortage region, the unit price is higher, due to the machine running costs are relatively high.
2, the characteristics of the lithium bromide chiller
2. 1 the advantages
a. Lithium bromide industrial ice machine for the water, the crew is less pollution to the environment, and the price cheap refrigerant.
  b. Lithium bromide refrigeration units available, Waste) Hot steam or directly powered by fuel oil or gas, realize the refrigeration infinitely ring, the demand for electricity is not big, only need electricity to drive solution and solvent pump. Reason for power resources more nervous, the product has the advantage of larger, and run the energy cost is relatively lower screw water chiller.
  2. Two shortcomings
a. Because lithium bromide solution used in air, have strong corrosive to ordinary carbon steel, make the equipment in the use of time more obvious energy attenuation, which reduces the whole sets of actual refrigerating effect, influence the use effect, and reduces the service life of the unit.
  b. Normal maintenance emissions of LiBr aqueous solution to environmental pollution and the equipment cost is higher, big initial investment cost.
  c. Because the unit working under high vacuum, air infiltration, practice has proved that even if only trace amounts of air infiltration, will seriously affect the performance of the unit, therefore, the unit for sealing is very demanding.
  d. Device equipped with dedicated room (bulky appearance, needed Fuel type will need to be equipped with a dedicated terminal) 。
  e. Lithium bromide chiller requirement is high, the quality of the water in cooling water and cooling water dosage general 1 for water cooled screw chiller. About 5 times, for fresh water resources is relatively lack of area, investment and operation cost is higher.
in addition, the electric refrigeration can make below 0 ℃ cold water, a wide range, and lithium bromide chiller can only make more than 4 ℃ cold water, narrow. Lithium bromide units structure is complicated, inevitably leads to poor reliability, and difficult to maintain.

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