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Cascading air-cooling composite single-effect and double-effect type lithium bromide absorption refrigerating machine

An absorption refrigerator, single-effect technology, applied in the direction of refrigerators, refrigeration components, adsorption machines, etc., can solve the problems of high temperature of circulating cooling water, water shortage restrictions, difficult production, etc., to ensure stable operation, The effect of stabilizing the condensation temperature

Active Publication Date: 2014-09-17
SHUANGLIANG ECO ENERGY SYST CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the evaporation loss and drift loss when the cooling water flows through the cooling tower, the cooling water needs to be continuously replenished during the operation of the unit. This type of unit is only suitable for places where water resources are relatively economical, and it will be limited by water shortage in arid areas.
In addition, in high-temperature and arid areas, not only is there a shortage of water, but also because the ambient temperature is too high, the circulating cooling water temperature of the lithium bromide absorption refrigerator is relatively high, and it is difficult to produce low temperature (temperature 5~ 10℃) cold water

Method used

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  • Cascading air-cooling composite single-effect and double-effect type lithium bromide absorption refrigerating machine
  • Cascading air-cooling composite single-effect and double-effect type lithium bromide absorption refrigerating machine
  • Cascading air-cooling composite single-effect and double-effect type lithium bromide absorption refrigerating machine

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Embodiment Construction

[0024] The present invention as figure 2 The refrigerating machine shown is composed of a single-effect high-temperature refrigeration group 43, an air cooler 21, a double-effect low-temperature refrigeration group 44, a control system (not shown in the figure), and pipelines and valves connecting various components. The formed cascade air-cooled flue gas single-double-effect compound lithium bromide absorption refrigerator. The single-effect high-temperature stage refrigeration unit 43 includes a solution heat exchanger 1, a high-temperature stage absorber 14, a high-temperature stage evaporator 15, a high-temperature stage solution pump 16, a high-temperature stage refrigerant pump 17, a high-temperature stage condenser 26 and a flue gas generator Device 11. The double-effect low-temperature refrigeration unit 44 includes a flue gas-type high-pressure generator 42, a low-pressure generator 41, a low-temperature condenser 40, a high-temperature heat exchanger 32, a low-temp...

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Abstract

The invention relates to a cascading air-cooling composite single-effect and double-effect type lithium bromide absorption refrigerating machine, and belongs to the technical field of air conditioning equipment. The refrigerating machine comprises a single-effect high temperature stage refrigeration set (43), a double-effect low temperature stage refrigeration set (44), an air cooler (21) and a high-temperature cooling water pump (19). The air cooler (21) and the high-temperature cooling water pump (19) are connected to a high-temperature cooling water pipeline between a high temperature stage condenser water outlet pipe (23) and a high temperature stage absorber water inlet pipe (18) of the single-effect high temperature stage refrigeration set in series. A high temperature stage evaporator water outlet pipe (30) of the single-effect high temperature stage refrigeration set (43) is connected to a low temperature stage cooling water inlet pipe (38) of the double-effect low temperature stage refrigeration set (44), and a low temperature stage cooling water outlet pipe (39) of the double-effect low temperature stage refrigeration set (44) is connected to a high temperature stage evaporator water inlet pipe (29) of the single-effect high temperature stage refrigeration set (43). According to the refrigerating machine, cold water of 5-10 DEG C can be prepared on the occasions with about 50 DEG C, and loss of cooling water in the running process of the refrigerating machine is avoided.

Description

technical field [0001] The invention relates to a lithium bromide absorption refrigerator. It belongs to the technical field of air conditioning equipment. Background technique [0002] In the past, a flue gas single-effect lithium bromide absorption refrigeration unit such as figure 1 shown. The unit is composed of a flue gas generator 11, a condenser 10, an evaporator 3, an absorber 2, a solution heat exchanger 1, a solution pump 4, a refrigerant pump 5, and pipelines and valves connecting various components. The water inlet pipe 6 and the cooling water outlet pipe 9 are generally connected with the external cooling water circulation pump of the unit and the open cooling tower (not shown in the figure), and the cooling tower cools the circulating cooling water of the unit. Due to the evaporation loss and drift loss when the cooling water flows through the cooling tower, the cooling water needs to be replenished continuously during the operation of the unit. This kind of...

Claims

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Application Information

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IPC IPC(8): F25B15/06F25B41/00F25B41/04F25B41/20F25B41/40
CPCY02B30/62Y02A30/27
Inventor 张长江毛洪财王永新薛海君
Owner SHUANGLIANG ECO ENERGY SYST CO LTD
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