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High temperature type absorbent for adsorption refrigeration system

A technology for adsorption refrigeration and adsorbent, which is applied in refrigerators, refrigeration and liquefaction, adsorption machines, etc. It can solve the problems of insufficient thermal efficiency, high thermal energy consumption, and large cooling water consumption, and achieve the effect of strong adsorption capacity.

Inactive Publication Date: 2010-06-23
武汉云鹤定宇制冷科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, the thermal efficiency cop of adsorption refrigeration is not high enough, which leads to high heat energy consumption and large cooling water consumption during adsorption refrigeration.
The principle of adsorption refrigeration determines that its thermal efficiency cop cannot be greatly improved, but it is possible to reduce the amount of cooling water

Method used

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  • High temperature type absorbent for adsorption refrigeration system
  • High temperature type absorbent for adsorption refrigeration system
  • High temperature type absorbent for adsorption refrigeration system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0045] Table 2 is the raw materials and proportioning used in Examples 1 to 4 of the present invention

[0046] Table 2 The raw materials used in Examples 1 to 4 and the proportioning unit

[0047]

Example 1

Example 2

Example 3

Example 4

strontium bromide

60

70

80

90

[0048]

Example 1

Example 2

Example 3

Example 4

Strontium chloride

31

24

16

7

lithium thiocyanate

9

Lithium thiocyanate and lithium nitrate are mixed 1:1

6

4

Lithium thiocyanate and lithium nitrate are mixed in a ratio of 1:2

3

[0049] Table 3 is the comparative experimental conditions of embodiment 3 of the present invention and pure calcium chloride sorbent

[0050] Table 3 Comparison of experimental conditions

[0051]

[0052] Table 4 is the comparative experimental data of embodiment 3 of the present invention and pure calcium...

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Abstract

The invention relates to a high temperature typed adsorbent used for an adsorption refrigeration system. According to the weight percentage, the adsorbent comprises 60-90% of strontium bromide, 8-31% of strontium chloride and 2-9% of additive. The strontium bromide and the strontium chloride obviously improve the heat conducting performance under the action of the additive, restrains desorption powder injection phenomenon and obviously improves the high temperature adsorption capability. Compared with the pure calcium chloride adsorbent, adsorption on ammonia can be normally carried out even at the adsorption temperature of 80-100 DEG C when the pure calcium chloride adsorbent basically loses the adsorption capability and enters the desorption temperature range; as the adsorption temperature is greatly improved, the adsorbent can use water with the temperature less than 80 DEG C to carry out the cooling operation. The generalization and usage of the adsorbent lead the cooled-water circulation cooled air-cooling of adsorption refrigeration air conditioning to come true, thus leading the air cooling of the adsorption refrigeration air conditioning to be realized.

Description

technical field [0001] The invention relates to a high-temperature adsorbent used in an adsorption refrigeration system, which is used for adsorption refrigeration of two or more generator systems in the field of adsorption refrigeration, and enables adsorption to be carried out under relatively high temperature conditions. Background technique [0002] Adsorption refrigeration technology uses steam, gas, tail gas, thermal oil, hot water and other fluid heat energy as a heat source to drive the operation of the adsorption refrigeration system. It has the social effects of energy saving, emission reduction and environmental protection, and has attracted attention. However, the adsorption and desorption characteristics of chemical adsorbents represented by calcium chloride and strontium chloride are: the desorption temperature is relatively ideal, and the heat source temperature is 100-130°C. When the cooling water temperature is below 30°C, it has an ideal adsorption capacity...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J20/04F25B17/08
Inventor 张绰
Owner 武汉云鹤定宇制冷科技有限公司
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