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Constant-pressure air regulating agent

A technology of modified atmosphere and filler, which is applied in the field of constant pressure type modified atmosphere, and can solve the problems such as the easy collapse of plastic jars

Pending Publication Date: 2022-06-14
君合百安仓储科技(北京)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When the above-mentioned air-conditioning agent is used in a soft plastic jar, when the oxygen is consumed, there will be a negative pressure in the plastic jar, and the plastic jar will easily collapse, which needs to be improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0035] The preparation process of component A is as follows:

[0036] 5.5kg of 60-80 mesh reduced iron powder, 2kg of activated carbon, 2kg of sodium chloride and 25kg of vermiculite were mixed together, then 16kg of water was added and stirred to obtain component A.

preparation example 2

[0038] The preparation process of component B is as follows:

[0039] 3kg of sodium bicarbonate and 2kg of citric acid were mixed uniformly, added to the melted paraffin, and 1kg of sodium pyrophosphate was added, stirred uniformly, left to stand for 20min, filtered while hot, and cooled to obtain paraffin-coated microspheres.

preparation example 3

[0041] The preparation process of component B is as follows:

[0042] 4kg of sodium bicarbonate and 2.5kg of citric acid were mixed uniformly, added to the melted paraffin, and 1.5kg of sodium pyrophosphate was added, stirred evenly, left to stand for 25min, filtered while hot, and cooled to obtain paraffin-coated microspheres.

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Abstract

The invention relates to the technical field of preservation and sealing, and discloses a constant-pressure type gas regulating agent which comprises a component A and a component B. The component A comprises, by weight, 50-60 parts of 60-80-mesh reduced iron powder, 1-3 parts of activated carbon, 1-3 parts of sodium chloride, 10-40 parts of filler and 14-18 parts of water. A preparation process of the component B comprises the following steps: S1, mixing 3-5 parts by weight of sodium bicarbonate and 2-3 parts by weight of citric acid, adding the mixture into molten paraffin, adding 1-2 parts by weight of a dispersing agent, uniformly stirring, standing for 20-30 minutes, filtering, and cooling to obtain the paraffin coated microspheres. The air pressure in the closed space can be kept in a constant pressure state.

Description

technical field [0001] The present application relates to the technical field of preservation and sealing, and in particular, to a constant pressure type modified atmosphere. Background technique [0002] Atmosphere regulator, also known as atmosphere conditioner, is an oxidant that absorbs oxygen and releases carbon dioxide. It is mainly used in the storage of dry goods such as Chinese herbal medicines, tobacco, nuts, tea, and whole grains. It is the most widely used in the field of Chinese herbal medicines. [0003] Traditional iron-based conditioning agents usually include iron powder, activated carbon, salt, alkaline compounds, vermiculite, and water. The oxygen content is reduced, so as to achieve the purpose of preservation. At this time, negative pressure will appear in the confined space. [0004] When the above-mentioned modified atmosphere is used in a relatively soft plastic jar, negative pressure appears in the plastic jar after the oxygen is consumed, and the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B9/20A23L3/3418C09K15/02
CPCA23B9/20A23L3/3418C09K15/02A23V2002/00A23V2250/11
Inventor 王法陈兆麟黄闫江范甜甜方玉强李雅雯
Owner 君合百安仓储科技(北京)有限公司
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