教育亲子

The characteristics of the lithium bromide absorpt

时间:2016-11-3 9:06:09  作者:佚名  来源:网络  查看:49  评论:0
内容摘要:one, the advantages of a wide range of cooling capacity. With the change of external load, the unit can be continuously adjusted in the rang...
one, the advantages of a wide range of cooling capacity. With the change of external load, the unit can be continuously adjusted in the range of 100% ~ 10%. Even if the low load operation, thermal efficiency is almost no decline, stable performance, can be very good to adapt to the requirements of the load changes. (two) strong adaptability to changes in external conditions. Such as the standard external conditions: steam pressure 5.88  X  105Pa (6kgf / cm2) gauge, cooling water inlet temperature of 32 DEG C, steam double machine chilled water outlet temperature of 10 DEG C, the actual operation shows that, in the steam pressure (1.96 ~ 7.84)   X  105Pa (2 ~ 8.0kgf / cm2) gauge pressure, cooling water inlet temperature 25 to 40 DEG C, cooling water outlet temperature of 5 to a wide range of 15C stable operation. (three) using LiBr solution as working fluid, the machine running in a vacuum, odorless, non-toxic, no danger of explosion, safety, no pollution, is conducive to meet the requirements of environmental protection. (four) the installation is simple and the basic requirement of the installation is low. When the machine is running, the vibration is small, no special foundation is needed, only the static load can be considered. Can be installed indoors, outdoors, on the ground floor, floor or roof. Installation is only for general school level, according to the requirements of the steam, water, electricity can be. (five) the manufacture is simple, the operation, the maintenance is convenient. In addition to shielding pumps, vacuum pumps and vacuum pumps and other ancillary equipment, almost all heat transfer equipment, manufacturing is relatively easy. Due to the stable performance of the unit, the adaptability to external conditions change is strong, so the operation is relatively simple. Unit maintenance work, mainly to maintain its air tightness. (six) to heat energy, electric energy consumption is less, and less demanding on the heat source. Can use a variety of low potential energy and waste gas, waste heat, such as higher than 20kPa (0.2kgf / cm2) gauge pressure saturated steam, dry 75 hot water and geothermal and solar energy, which is conducive to the comprehensive utilization of heat source. Has a good energy saving, energy saving effect, good economy. (seven) the whole unit in addition to the small power of the shield pump, no other moving parts, small vibration, low noise,mobile evaporative air cooler, running more quiet. Two, shortcomings (a) with air under the condition of lithium bromide solution has strong corrosive to carbon steel. This not only affects the life of the unit, but also affects the performance of the unit and the normal operation of the unit. (two) the unit heat load, because the condensation refrigerant steam and absorption processes are heat removal process. In addition, the cooling water quality requirements are relatively high, poor water quality, the use of specialized water treatment should be carried out, otherwise it will affect the normal performance of the unit. (three) the unit operates in a vacuum, and the air is easy to leak into the air. Even if the air leakage into the trace of air, it will seriously damage the performance of the unit. To this end, the refrigerator is strictly sealed, which gives the manufacture and use of the machine added difficulties.

 

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