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Multicomponent compound salt/ammonia solution absorption refrigerant as well as absorption refrigerant system and refrigeration technique

A multi-component composite and refrigeration system technology, which is applied in the direction of refrigeration and liquefaction, refrigerators, energy-saving heating/cooling, etc., can solve the problems of fixed characteristics, etc., and achieve the effect of deepening refrigeration depth, good refrigeration effect, and good absorption characteristics

Inactive Publication Date: 2011-04-27
SHANGHAI TIANQI NEW ENERGY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the absorption of the above-mentioned existing single salt (NH 3 ) and desorption (NH 3 ) The lack of fixed characteristics provides a multi-component compound salt / ammonia solution to absorb refrigerant

Method used

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  • Multicomponent compound salt/ammonia solution absorption refrigerant as well as absorption refrigerant system and refrigeration technique
  • Multicomponent compound salt/ammonia solution absorption refrigerant as well as absorption refrigerant system and refrigeration technique

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Embodiment 1 (multiple compound salt / ammonia solution absorbs refrigerant)

[0029] The multi-component compound salt / ammonia solution absorbs the refrigerant, which includes an absorbent and a refrigerant, the refrigerant is ammonia, and the absorbent is a multi-component compound salt composed of lithium nitrate, sodium thiocyanate and lithium thiocyanate. Multivariate compound salt: the percentage by weight of ammonia=40%: 60% (the sum of multivariate compound salt weight and ammonia weight percent is 100%).

[0030] Wherein the weight percentage content of the absorbent is: 5% of lithium nitrate, 15% of sodium thiocyanate, and 80% of lithium thiocyanate (based on the sum of the weight percentages of the three multi-element compound salts as 100%).

[0031] It should be noted that: the multi-component compound salt / ammonia solution absorption refrigerant of the present invention can also increase additives for anti-corrosion and anti-crystallization functions (its we...

Embodiment 2

[0032] Embodiment 2 (multiple compound salt / ammonia solution absorbs refrigerant)

[0033] The multi-component compound salt / ammonia solution absorbs the refrigerant, which includes an absorbent and a refrigerant, the refrigerant is ammonia, and the absorbent is a multi-component compound salt composed of lithium nitrate, sodium thiocyanate and lithium thiocyanate.

[0034] Multivariate compound salt: the percentage by weight of ammonia=60%: 40% (the sum of multivariate compound salt weight and ammonia weight percent is 100%).

[0035] The weight percentage content of the multi-component compound salt absorbent is: 20% of lithium nitrate, 30% of sodium thiocyanate, and 50% of lithium thiocyanate (based on the sum of the weight percentages of the three multi-component compound salts being 100%).

Embodiment 3

[0036] Embodiment 3 (multiple compound salt / ammonia solution absorbs refrigerant)

[0037] The multi-component compound salt / ammonia solution absorbs the refrigerant, which includes an absorbent and a refrigerant, the refrigerant is ammonia, and the absorbent is a multi-component compound salt composed of lithium nitrate, sodium thiocyanate and lithium thiocyanate.

[0038]Multivariate compound salt: the percentage by weight of ammonia=50%: 50% (the sum of multivariate compound salt weight and ammonia weight percent is 100%).

[0039] The weight percentage content of the multi-component compound salt absorbent is: 40% of lithium nitrate, 10% of sodium thiocyanate, and 50% of lithium thiocyanate (based on the sum of the weight percentages of the three multi-component compound salts being 100%).

[0040] The working process of the multiple compound salt / ammonia solution absorption refrigeration system of the present invention is as follows:

[0041] Multi-component compound sal...

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PUM

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Abstract

The invention relates to a multivariate compound salt / ammonia solution absorption refrigerator, which comprises absorbing agent and refrigerator, wherein the refrigerator is ammonia. The invention is characterized in that absorbing agent is a multivariate compound salt which is formed by lithium nitrate, sodium thiocyanate and lithium rhodanate. The multivariate compound salt / ammonia solution absorption refrigerator of the invention overcomes the prejudice that absorbing agent can only adopt single salt, which adopts multivariate compound salt to be absorbing agent in a creative way. The multivariate compound salt simultaneously has better characters of absorbing (NH3) and desorbing (NH3). The invention simultaneously discloses a multivariate compound salt / ammonia solution absorption refrigerating system and a refrigerating technique of the system.

Description

technical field [0001] The invention relates to a multi-component compound salt / ammonia solution absorption refrigerant, and also relates to a multi-component compound salt / ammonia solution absorption refrigeration system. It uses hot water, hot oil or steam as power to drive the absorption refrigeration system to perform refrigeration at -20-10°C. Background technique [0002] In order to save precious electric energy, adsorption refrigeration and absorption refrigeration using thermal energy as energy have received widespread attention. Adsorption refrigeration has not been popularized so far due to various reasons such as low thermal efficiency. Absorption refrigeration has achieved rapid development, showing great advantages in saving electricity. [0003] Existing thermal energy absorption refrigeration systems include lithium bromide-water solution absorption refrigeration and ammonia hydrogen aqueous solution absorption refrigeration. Among them, the lithium bromid...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K5/00F25B15/04
CPCY02B30/62Y02A30/27
Inventor 徐文贤李绪文
Owner SHANGHAI TIANQI NEW ENERGY TECH
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