阅读说明：本技术 便携式自发热包 (Portable self-heating bag ) 是由 崔玉茹 邹强 于 2019-03-08 设计创作，主要内容包括：本发明属于发热材料领域,具体涉及一种便携式自发热包,包括包装袋以及设置在所述的包装袋内的加热剂；所述的加热剂包括下述质量份组分：发热剂20-80份、包埋剂0.1-2份、吸附剂0.1-2份、除湿剂2-6份。本发明的便携式自发热包产热效率高,成本低,适于推广。(The invention belongs to the field of heating materials, and particularly relates to a portable self-heating bag which comprises a packaging bag and a heating agent arranged in the packaging bag; the heating agent comprises the following components in parts by mass: 20-80 parts of heating agent, 0.1-2 parts of embedding agent, 0.1-2 parts of adsorbent and 2-6 parts of dehumidifying agent. The portable self-heating bag has high heat production efficiency and low cost, and is suitable for popularization.)

1. A portable self-heating bag is characterized by comprising a packaging bag and a heating agent arranged in the packaging bag; the heating agent comprises the following components in parts by mass: 20-80 parts of heating agent, 0.1-2 parts of embedding agent, 0.1-2 parts of adsorbent and 2-6 parts of dehumidifying agent.

2. The portable self-heating bag according to claim 1, wherein the heat generating agent comprises the following components by mass: 1 part of lime, 1 part of sodium carbonate, 1 part of penetrant and 1 part of ethanol.

3. The portable self-heating bag according to claim 1, wherein the embedding medium is one or a mixture of methylcellulose, ethylcellulose, hydroxypropylcellulose or hydroxypropylmethylcellulose.

4. The portable self-heating bag according to claim 1, wherein the adsorbent is diatomaceous earth.

5. The portable self-heating bag according to claim 1, wherein the packaging bag comprises an inner layer of non-woven fabric and an outer layer of plastic packaging bag.

Technical Field

The invention belongs to the field of heating materials, and particularly relates to a portable self-heating bag.

Background

In winter, all food and beverage become unsuitable for eating in cold weather. Eating cold food can cause body problems such as abdominal pain and diarrhea. In order to heat food more conveniently, the invention designs a simple and easy-to-use self-heating bag for heating food.

Disclosure of Invention

The invention aims to provide a portable self-heating bag.

In order to achieve the purpose, the invention adopts the following technical scheme:

a portable self-heating bag comprises a packaging bag and a heating agent arranged in the packaging bag; the heating agent comprises the following components in parts by mass: 20-80 parts of heating agent, 0.1-2 parts of embedding agent, 0.1-2 parts of adsorbent and 2-6 parts of dehumidifying agent.

The heat generating agent comprises the following components in parts by mass: 1 part of lime, 1 part of sodium carbonate, 1 part of penetrant and 1 part of ethanol.

The embedding medium is one or a mixture of methylcellulose, ethylcellulose, hydroxypropyl cellulose or hydroxypropyl methylcellulose.

The adsorbent is diatomite.

The packaging bag comprises a non-woven fabric at an inner layer and a plastic packaging bag at an outer layer.

Compared with the prior art, the invention has the beneficial effects that:

the self-heating bag comprises a heating agent, an embedding agent, an adsorbent and a dehumidifying agent, and can initiate reaction by adding water during use. The heat generating agent provides a heat generating source, and under the initiation of water, the following reactions CaO + H2O → Ca (OH)2+ O2, Na2CO3+ Ca (OH)2 → Na (OH)2+ CaCO3 occur, generating a large amount of heat. Wherein, the sodium carbonate and the quicklime have low price and are suitable for large-scale production. The generated sodium hydroxide can provide an alkaline environment for the battery reaction and also serve as an electrolyte. In the battery reaction, the ethanol generates electrode reaction at the anode, and the generated CO2 is dissolved in the electrolyte, so that CO2 gas is not generated, and the safety performance is improved. O2 generated by oxidizing cathode quicklime is reduced as a cathode reactant, so that the gas released by the whole system is absorbed and utilized, and the emission is reduced safely. The ethanol has larger reaction heat, can generate enough heat in the cell reaction, and has higher energy conversion efficiency of the fuel cell. The embedding agent has the functions of helping water to soak the heating material and fully contact the heating material, so that the heating is uniform, and the heating time is prolonged. The adsorbent is diatomite, the main component of the adsorbent is SiO 2. nH2O, the interior of the adsorbent is loose and porous, the water absorption and permeability are strong, and the adsorbent plays a role in buffering the reaction rate in the heating bag. The dehumidifying agent is active carbon, is black and porous, is produced by crushing and molding coal or carbonizing and activating uniform coal particles, has large specific surface area, is used for absorbing redundant water and water vapor, and improves the reaction safety performance. The embedding agent can be dispersed and swelled quickly when the heating agent heats, dissolved quickly after cooling, and can be gelled at high temperature, and the gel can be mutually transformed with the solution along with the temperature, and has excellent wettability, dispersibility, adhesiveness, thickening property, water-retaining property and film-forming property. The embedding agent can help the heating to be uniform, so that water can be in full contact with the heating agent under the action of the embedding agent, the heating time is prolonged, and the phenomenon of wrapping the heating agent is reduced.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the following preferred embodiments.