Warming bag and warming device using same
A heat preservation bag and heat preservation bag technology, applied in the field of heat preservation bags, can solve the problems of short duration of heat generation, uneven heat generation, complicated manufacturing process, etc., and achieve the effect of promoting hydration
Inactive Publication Date: 2008-12-10
珠海亚路精细化工有限公司
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Problems solved by technology
The heating method of this method is to induce crystallization by physical impact. In more detail, it should be placed in objects that can generate vibrations, or attached to the surface, so the manufacturing process is complicated, and the heating time lasts for a short time. Uneven, difficult to use for a long time outside the disadvantages
Method used
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Embodiment 5
[0033] Embodiment 5, in the heat preservation bag, inject the air exceeding 5% volume of heat preservation bag, because the carrying out of the hydration reaction of the aqueous solution of sodium acetate in air is accelerated, as a result causes the crystal formation speed of solid state to accelerate. The heating time of the heat preservation bag above 35°C is less than 4 hours.
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The invention relates to a heat preservation bag, in particular to a heat preservation bag which can keep warm for a long time and contains sodium acetate aqueous solution and air. The present invention also relates to a heat preservation device using the above heat preservation bag. A thermal bag containing a supersaturated aqueous solution of sodium acetate and air. The heat preservation bag of the present invention is equipped with sodium acetate aqueous solution and air inside, promotes the hydration of the sodium acetate aqueous solution through the air, induces sodium acetate crystals for a long time, and maintains the temperature of the heat preservation bag by using the heat emitted by sodium acetate in the crystallization process . In addition, by placing a color-changing pigment in the thermal bag, the current temperature condition of the thermal bag can be known at any time.
Description
【Technical field】 [0001] The invention relates to a heat preservation bag, in particular to a heat preservation bag which can keep warm for a long time and contains sodium acetate aqueous solution and air. The present invention also relates to a heat preservation device using the above heat preservation bag. 【Background technique】 [0002] So far, many inventions that can generate heat for outdoor use in cold weather have been developed. Korean registered utility model No. 20-0217323, No. 20-0305190, and No. 20-0395466 describe thermal insulation seat cushions that are electrically heated after putting a hot plate or a hot wire inside. Although such a thermal insulation seat cushion has the advantage of continuously generating heat, it can only be used in places with electricity. [0003] In order to solve such problems, a thermal insulation bag that does not use the chemical principle of power supply has been developed. In particular, the solution of supersaturated sodium...
Claims
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IPC IPC(8): A61F7/03A61F7/00
Inventor 金泳来
Owner 珠海亚路精细化工有限公司