Composition, preparation method of heat transfer medium, phase-change refrigeration method of hydrate and phase-change refrigeration system of hydrate
A technology of composition and hydrate accelerator, which is applied in the direction of refrigeration and liquefaction, refrigerators, refrigeration components, etc., can solve the problems of hydrate accumulation and sedimentation blockage in the use of cooling capacity, and achieve great economic and social value and additional energy consumption Low, energy efficient and reasonable effect
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[0038] According to an embodiment of the present invention, based on the total amount of the composition, the content of carbon dioxide is 2-20% by weight, the content of water is 10-60% by weight, and the content of the oil-based carrier liquid is 20-80% by weight. The dosage of hydrate accelerator and slurry stabilizer is 0.01-35% by weight and 0.01-4% by weight, respectively. Preferably, based on the total amount of the composition, the content of water is 20-50% by weight, the content of the oil-based carrier liquid is 21-70% by weight, and the amounts of hydrate accelerator and slurry stabilizer are respectively 2-20 % By weight and 0.1-2% by weight. Preferably, relative to the total amount of the composition, the content of carbon dioxide is 5-15% by weight, the content of water is 20-50% by weight, the content of oil-based carrier fluid is 20-70% by weight, hydrate accelerator and slurry The amount of stabilizer is 4-15% by weight and 0.5-1.5% by weight, respectively. ...
Example Embodiment
[0077] Example 1
[0078] This example is used to illustrate the preparation method of the heat transfer medium, the hydrate phase change refrigeration method and the hydrate phase change refrigeration system of the present invention.
[0079] (1) Preparation of refrigeration working fluid:
[0080] Mix 50 parts by mass of water, 11.76 parts by mass of hydrate accelerator tetrahydrofuran, 0.5 parts by mass of polymerization inhibitor sorbitol tristearate and 0.5 parts by mass of surfactant Span 80, and then mix 22.8 parts by mass of No. 5 mineral white oil (commercially purchased from Mojiezuo Petrochemical (Shanghai) Co., Ltd., the brand is MOROKE / Moroke) is mixed evenly to form a stable oil-water emulsion, which is a refrigeration working fluid;
[0081] (2) Phase change refrigeration:
[0082] Add oil and water emulsion figure 1 In the reaction tank of the first heat exchange device 3 of the phase change refrigeration system shown, 14.44 parts by mass of high-pressure carbon dioxid...
Example Embodiment
[0085] Example 2
[0086] This example is used to illustrate the preparation method of the heat transfer medium, the hydrate phase change refrigeration method and the hydrate phase change refrigeration system of the present invention.
[0087] (1) Preparation of refrigeration working fluid:
[0088] Combine 35 parts by mass of water, 4.0 parts by mass of hydrate accelerator cyclopentane, 4.0 parts by mass of hydrate accelerator tetrabutylammonium bromide, 0.5 parts by mass of polymerization inhibitor glyceryl monostearate, and 0.5 parts by mass Parts of the surfactant Tween 80 are mixed uniformly, and then 45.9 parts by mass of No. 5 mineral white oil (commercially purchased from Mojiezuo Petrochemical (Shanghai) Co., Ltd., brand name MOROKE / Moroke) is mixed uniformly to form a stable The oil-water emulsion is the refrigeration working fluid;
[0089] (2) Phase change refrigeration:
[0090] Add oil and water emulsion figure 1 In the reaction tank of the first heat exchange device 3 ...
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