CN105053752A - Deoxidizer and production technology thereof - Google Patents
Deoxidizer and production technology thereof Download PDFInfo
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- CN105053752A CN105053752A CN201510433709.5A CN201510433709A CN105053752A CN 105053752 A CN105053752 A CN 105053752A CN 201510433709 A CN201510433709 A CN 201510433709A CN 105053752 A CN105053752 A CN 105053752A
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- deoxidier
- absorbent resin
- super absorbent
- iron powder
- reduced iron
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Abstract
The present invention discloses a deoxidizer and a production technology thereof. The key point of the technical program is that the deoxidizer consists of the following raw materials in weight percentage: 50%-60% of reduced iron powder, 0.5%-2% of activated carbon, 8%-12% of electrolyte, 15%-25% water, and 11-18% superabsorbent resin. The deoxidizer production technology reduces fillers and additives contained in ordinary deoxidizers, reduces the processing steps, reduces the types of raw materials needed for production, reduces the production cost of deoxidizers, at the same time lowers the oxygen content of the air inside the sealed package to below 0.1% within 24 hours, and compared to the general deoxidizers, the deoxidizer is lower in cost and better in deoxidizing effect.
Description
Technical field
The present invention relates to field of food safety, more particularly, it relates to a kind of deoxidier and production technology thereof.
Background technology
Deoxidier is oxygen scavenger again, is removed the free oxygen in unlap or container, makes reserve be in oxygen-free environment, suppress the harm of aerobic microbiological and insect pest by deoxidier and oxygen fast chemical reaction, prevents quality to be oxidized fission, to reach the object of safe storage.Deoxidier is divided into two large classes: the deoxidier that mineral-type materials is formed and the deoxidier that organic-based material is formed, inorganic matter series development is express in recent years.From the viewpoint of cost, security, in air-conditioning storing grain, apply the iron series deoxidizers that more deoxidier is inorganic material.
Existing inorganic iron deoxidier is that the oxygen concentration realized in controlled atmospheric packing reaches safety value scope fast, generally realized by the raising content of catalyst and the content of iron powder: as Chinese patent " iron series deoxidizers " (publication number: CN87105536), disclose a kind of iron series deoxidizers, it comprises the active carbon of more than 70%; And for example Chinese patent application " moisture-proof deoxidizing agent " (publication number: CN101304806A), disclose a kind of iron series deoxidizers, it comprises the iron powder of more than 80%.But this kind of formula exists following problem, the active carbon of more than 70%, catalytic will be caused to increase, but cause the evaporation of internal moisture and the rising of temperature; So need a kind of composition keeping internal moisture in deoxidier.
In prior art, application number is that the patent of invention of " 201310414041.0 " discloses a kind of iron series deoxidizers, and it adds super absorbent resin in deoxidier, decreases by super absorbent resin the water loss that adstante febre causes; Simultaneously in the middle and later periods of food storage, absorb external moisture, prevent food spoilage; But with the addition of and too much catalyst and filler in this kind of patent of invention, cause the increase of the complicated of production process and production cost, and its deoxidation effect is not good.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide the deoxidier that a kind of production process is simple, production cost is low, deoxidation effect is good.
For achieving the above object, the invention provides following technical scheme: a kind of deoxidier, be made up of the raw material of following percentage by weight: the reduced iron powder of 50% ~ 60%, the active carbon of 0.5%-2%, the electrolyte of 8%-12%, the water of 15%-25%, 11-18% super absorbent resin.
As preferably, described electrolyte is the one in sodium chloride, calcium chloride, KBr.
As preferably, the particle diameter of described reduced iron powder is 0.08mm.
As preferably, the diameter of described activated carbon granule is 0.035mm.
As preferably, the particle diameter of described super absorbent resin is 0.3mm.
Manufacture the production technology of this deoxidier:
Step one, adds in stirred tank at water, then adds electrolyte, super absorbent resin and reduced iron powder, and mixing time is 5-20min, and mixing speed is 120r/min, thus obtains pretreatment deoxidier;
Step 2, adds pretreatment deoxidier and activated carbon particles, then stirs in stirred tank, and mixing time is 2-4min, and mixing speed is 120r/min, thus obtains deoxidier;
Step 3, packs after being lowered the temperature by deoxidier.
By adopting technique scheme, deoxidier only includes reduced iron powder, active carbon, electrolyte, water and super absorbent resin, the composition kind simultaneously forming this deoxidier is less, without the need to adding catalyst and filler in deoxidier, cost is lower, and the oxygen content in air can be dropped to less than 0.1% by deoxidation effect in 24 hours simultaneously.
Detailed description of the invention
Embodiment 1:
Getting 2.5KG water adds in stirred tank, then 800G sodium chloride, 1.65KG super absorbent resin and 5KG reduced iron powder is added, then stirred by stirred tank, mixing speed is 120r/min, mixing time is 5min, thus obtain pretreatment deoxidier, then 50G active carbon is added in pretreatment deoxidier in a kettle., then stirred by reactor, mixing speed is 120r/min, and mixing time is 2min, obtains deoxidier, be cooled to room temperature after being collected by deoxidier in reactor, obtain finished product deoxidier.
Embodiment 2:
Getting 2KG water adds in stirred tank, then 900G sodium chloride, 1.8KG super absorbent resin and 5.2KG reduced iron powder is added, then stirred by stirred tank, mixing speed is 120r/min, mixing time is 7min, thus obtain pretreatment deoxidier, then 100G active carbon is added in pretreatment deoxidier in a kettle., then stirred by reactor, mixing speed is 120r/min, and mixing time is 2.5min, obtains deoxidier, be cooled to room temperature after being collected by deoxidier in reactor, obtain finished product deoxidier.
Embodiment 3:
Getting 1.8KG water adds in stirred tank, then 1KG sodium chloride, 1.6KG super absorbent resin and 5.5KG reduced iron powder is added, then stirred by stirred tank, mixing speed is 120r/min, mixing time is 10min, thus obtain pretreatment deoxidier, then 100G active carbon is added in pretreatment deoxidier in a kettle., then stirred by reactor, mixing speed is 120r/min, and mixing time is 3min, obtains deoxidier, be cooled to room temperature after being collected by deoxidier in reactor, obtain finished product deoxidier.
Embodiment 4:
Getting 1.7KG water adds in stirred tank, then 1.1KG sodium chloride, 1.35KG super absorbent resin and 5.7KG reduced iron powder is added, then stirred by stirred tank, mixing speed is 120r/min, mixing time is 15min, thus obtain pretreatment deoxidier, then 150G active carbon is added in pretreatment deoxidier in a kettle., then stirred by reactor, mixing speed is 120r/min, and mixing time is 3.5min, obtains deoxidier, be cooled to room temperature after being collected by deoxidier in reactor, obtain finished product deoxidier.
Embodiment 5:
Getting 1.5KG water adds in stirred tank, then adds 1.2KG sodium chloride and 6KG reduced iron powder, is then stirred by stirred tank, mixing speed is 120r/min, mixing time is 20min, thus obtains pretreatment deoxidier, then adds 200G active carbon in pretreatment deoxidier in a kettle., then stirred by reactor, mixing speed is 120r/min, and mixing time is 4min, obtains deoxidier, be cooled to room temperature after being collected by deoxidier in reactor, obtain finished product deoxidier.
Electrolyte in above embodiment adopts sodium chloride, also can adopt the subs such as the electrolyte such as calcium chloride or KBr simultaneously, and because the price of industrial chlorinations sodium is lower, therefore electrolyte adopts sodium chloride can reduce the cost of deoxidier, the production principle of the present embodiment is, sodium chloride solution is formed by sodium chloride and water, super absorbent resin expands after absorbing sodium chloride solution, sodium chloride solution has the effect of good absorption foreign material simultaneously, can expand after super absorbent resin water suction, simultaneously the inside of super absorbent resin and surface can form areola, impurities dissolves in cavity is absorbed by sodium chloride solution, the granular size of reduced iron powder is less than the diameter of cavity simultaneously, reduced iron powder can be absorbed in cavity, strengthen reduced iron powder fixed effect, prevent the contact area of reduced iron powder and air excessive simultaneously, redox reaction is violent, cause the problem that temperature rises too high, therefore the particle diameter of reduced iron powder is preferably 0.08mm, the diameter of activated carbon granule is preferably 0.035mm, the particle diameter of super absorbent resin is preferably 0.3mm, if the diameter of reduced iron powder is excessive, will be absorbed in the cavity of super absorbent resin formation, if the diameter of reduced iron powder is too small simultaneously, come off in the cavity that will be formed from super absorbent resin, the diameter of activated carbon granule is excessive simultaneously, cannot enter the impurity in cleaning cavity, if the diameter of activated carbon granule is too small, its cleaning effect declines, the particle diameter of super absorbent resin is excessive simultaneously, the volume ratio of super absorbent resin and reduced iron powder will be caused to decline, thus reduction deoxidation effectiveness, if the particle diameter of super absorbent resin is too small simultaneously, the space between super absorbent resin will be caused less, thus reduce the contact area with air, cause the decline of deoxidation effectiveness, mixing time in step one is greater than 20 minutes and will causes super absorbent resin hyperabsorption moisture, excess moisture will be directed at super absorbent resin parectasis, thus cause breaking of super absorbent resin, simultaneously mixing time be less than 5 minutes and will cause reduced iron powder cannot be uneven with mixing of super absorbent resin, then can cause reduced iron powder cannot with super absorbent resin in fully adsorb, simultaneously the dissolving of sodium chloride and water is insufficient.Active carbon has suction-operated simultaneously, and the active carbon in step 2 serves the effect of the impurity on absorption super absorbent resin surface, and active carbon also serves the effect of impurity in absorption pretreatment deoxidier simultaneously; Mixing time in step 2 is too short, too short when will cause the contact of active carbon and super absorbent resin, thus causes active carbon to go deimpurity effect poor, and mixing time is long will increase production cost, such as electric power and human cost.
Contained filler and dose in logical deoxidier, decrease manufacturing procedure, decrease the raw material types needed for production, decrease the production cost of deoxidier, in 24 hours, drop to 0.1% below by packing interior oxygen content in air simultaneously, compare general deoxidier, cost is lower, and deoxidation effect is better.
5 embodiments of the present invention get the test carrying out oxygen content in airtight container that 3g is placed into 50CC volume respectively, and test result is as shown in the table: (percentage refers to oxygen content)
Therefore oxygen content can be dropped to less than 0.1% by deoxidier of the present invention within 24 hours, in 11 days, the oxygen content in 50CC container is dropped to less than 0.01% simultaneously, there is significant effect.
The above is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a deoxidier, is characterized in that, is made up of the raw material of following percentage by weight: the reduced iron powder of 50% ~ 60%, the active carbon of 0.5%-2%, the electrolyte of 8%-12%, the water of 15%-25%, 11-18% super absorbent resin.
2. deoxidier according to claim 1, is characterized in that: described electrolyte is the one in sodium chloride, calcium chloride, KBr.
3. deoxidier according to claim 1, is characterized in that: the particle diameter of described reduced iron powder is 0.08mm.
4. deoxidier according to claim 1, is characterized in that: the diameter of described activated carbon granule is 0.035mm.
5. deoxidier according to claim 1, is characterized in that: the particle diameter of described super absorbent resin is 0.3mm.
6. the production technology of the deoxidier described in manufacturing claims 1, is characterized in that:
Step one, adds in stirred tank at water, then adds electrolyte, super absorbent resin and reduced iron powder, and mixing time is 5-20min, and mixing speed is 120r/min, thus obtains pretreatment deoxidier;
Step 2, adds pretreatment deoxidier and activated carbon particles, then stirs in stirred tank, and mixing time is 2-4min, and mixing speed is 120r/min, thus obtains deoxidier; ,
Step 3, packs after being lowered the temperature by deoxidier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510433709.5A CN105053752A (en) | 2015-07-22 | 2015-07-22 | Deoxidizer and production technology thereof |
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| CN201510433709.5A CN105053752A (en) | 2015-07-22 | 2015-07-22 | Deoxidizer and production technology thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106490440A (en) * | 2016-11-04 | 2017-03-15 | 东莞市欣荣天丽科技实业有限公司 | A kind of food deoxidizer and preparation method thereof |
| CN108271991A (en) * | 2018-01-17 | 2018-07-13 | 江苏欧凯包装科技有限公司 | A kind of food deoxidier and preparation method thereof having moisture absorbing |
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| CN1332034A (en) * | 2001-06-26 | 2002-01-23 | 广州番禺凯德食品科技有限责任公司 | Chemical oxygen absorbent and its prepn |
| CN1337273A (en) * | 2001-06-26 | 2002-02-27 | 广州番禺凯德食品科技有限责任公司 | Self-controlled oxygen absorbent and its prepn |
| CN1429508A (en) * | 2001-12-31 | 2003-07-16 | 刘广成 | Bicomponent system deoxidant |
| CN101904541A (en) * | 2010-08-04 | 2010-12-08 | 东莞市广益食品添加剂实业有限公司 | Deoxidizing preservative and preparation method thereof |
| CN103478247A (en) * | 2013-09-11 | 2014-01-01 | 杭州巨炬工贸有限公司 | Iron-series deoxidizing agent |
| CN104382185A (en) * | 2014-12-09 | 2015-03-04 | 广东广益科技实业有限公司 | Preparation method of deoxidization preservative agent |
| CN106576498A (en) * | 2016-12-23 | 2017-04-26 | 四川大农和农业开发有限公司 | Production method of germinated brown rice and application thereof |
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2015
- 2015-07-22 CN CN201510433709.5A patent/CN105053752A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332034A (en) * | 2001-06-26 | 2002-01-23 | 广州番禺凯德食品科技有限责任公司 | Chemical oxygen absorbent and its prepn |
| CN1337273A (en) * | 2001-06-26 | 2002-02-27 | 广州番禺凯德食品科技有限责任公司 | Self-controlled oxygen absorbent and its prepn |
| CN1429508A (en) * | 2001-12-31 | 2003-07-16 | 刘广成 | Bicomponent system deoxidant |
| CN101904541A (en) * | 2010-08-04 | 2010-12-08 | 东莞市广益食品添加剂实业有限公司 | Deoxidizing preservative and preparation method thereof |
| CN103478247A (en) * | 2013-09-11 | 2014-01-01 | 杭州巨炬工贸有限公司 | Iron-series deoxidizing agent |
| CN104382185A (en) * | 2014-12-09 | 2015-03-04 | 广东广益科技实业有限公司 | Preparation method of deoxidization preservative agent |
| CN106576498A (en) * | 2016-12-23 | 2017-04-26 | 四川大农和农业开发有限公司 | Production method of germinated brown rice and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106490440A (en) * | 2016-11-04 | 2017-03-15 | 东莞市欣荣天丽科技实业有限公司 | A kind of food deoxidizer and preparation method thereof |
| CN108271991A (en) * | 2018-01-17 | 2018-07-13 | 江苏欧凯包装科技有限公司 | A kind of food deoxidier and preparation method thereof having moisture absorbing |
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Application publication date: 20151118 |
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