CN107597074A - A kind of preparation method of drier - Google Patents
A kind of preparation method of drier Download PDFInfo
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- CN107597074A CN107597074A CN201710846953.3A CN201710846953A CN107597074A CN 107597074 A CN107597074 A CN 107597074A CN 201710846953 A CN201710846953 A CN 201710846953A CN 107597074 A CN107597074 A CN 107597074A
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Abstract
The invention discloses a kind of preparation method of drier, belong to drier technical field.Mud Tai Xian ﹑ water is carried out steam blasting by the present invention, is cooled to room temperature, is collected explosion thing, filtering, is collected Lv Ye ﹑ filter residues;The decolorising agent that filtrate quality 20 ~ 30% is added into filtrate is decolourized, and the filtrate after must decolourizing, filter residue is carbonized, the filter residue after must carbonizing, the filtrate after decolouring is mixed with the filter residue after charing in mass ratio, obtains mixture;Count in parts by weight, take Hun He Wu ﹑ Qu Li Shui ﹑ Bing Xi Suan ﹑ Bing Xi Xian An ﹑ Ma to carry out Suan Gan ﹑ Ya Liu acid Qing Na ﹑ initiators and be put into reactor, reacted at 55 ~ 60 DEG C, the reaction time is 2 ~ 3h, obtains reactant;Reactant is put into 10 ~ 15min of immersion in the concentrated sulfuric acid by quality, filtering, soak is obtained, soak is washed with water and is spray-dried to neutrality, then by soak, produces drier.The beneficial effects of the invention are as follows:The drier moisture sorption effect of the present invention is more preferable, is worth of widely use.
Description
Technical field
The invention belongs to drier technical field, and in particular to a kind of preparation method of drier.
Background technology
Drier is also absorbent, is used in protection against the tide, mould proof aspect, desiccation is played, by suction type and reaction product
It is not all point physical absorption drier and chemisorbed drier.The drier of physical absorption has silica gel, alumina gel, molecule
Sieve, activated carbon, bone black, charcoal, mineral agent, or atlapulgite etc., its drying principles are exactly to pass through physics mode by water
Molecular Adsorption is in the structure of itself.
Food desiccant, it is a kind of article applied to packaging for foodstuff, food desiccant is usually nontoxic, tasteless, nothing connects
Touch corrosivity, non-environmental-pollution.Food desiccant is to reduce the humidity in food bag, prevents that food spoilage is corrupt;It is and real
It is just too dangerous to test the drier such as concentrated sulfuric acid, soda lime etc. of room, but they also have advantage, such as water suction is exceedingly fast, efficiency
Height, cheap etc..The drier commonly used in food is calcium oxide and silica gel, montmorillonite drier, calcium chloride drier, fiber
Drier.
Drier currently used for food generally comprises silica-gel desiccant, clay desiccant (montmorillonite), molecular sieve drying
Agent, calcium chloride and calcium oxide etc..But effect is unsatisfactory in actual use for these drier, and hydroscopicity is not strong, and has
Body can be damaged.
The content of the invention
The technical problems to be solved by the invention:It is not strong for the wettability power of current drying agent, and human body is caused
A kind of the problem of endangering, there is provided preparation method of drier.
In order to solve the above technical problems, the present invention is using technical scheme as described below:
A kind of preparation method of drier, it is characterised in that the preparation method comprises the following steps:
(1)In mass ratio 1:3 ~ 4, mud Tai Xian ﹑ water is subjected to steam blasting, is cooled to room temperature, collects explosion thing, is filtered, is collected
Lv Ye ﹑ filter residues;
(2)The decolorising agent that filtrate quality 20 ~ 30% is added into filtrate is decolourized, and the filtrate after must decolourizing, filter residue is carried out into charcoal
Change, the filter residue after must carbonizing, in mass ratio 2 ~ 3:1, the filtrate after decolouring is mixed with the filter residue after charing, must be mixed
Thing;
(3)Count in parts by weight, 80 ~ 90 parts of 50 ~ 80 parts of Hun He Wu ﹑, 30 ~ 40 parts of Qu Li Shui ﹑ Bing Xi Suan 20 ~ 30 parts of acryloyls of ﹑
6 ~ 7 parts of Ma of An ﹑ carry out 2 ~ 3 parts of Ya Liu acid Qing Na 1 ~ 2 part of initiators of ﹑ of Suan Gan ﹑ and are put into reactor, are reacted at 55 ~ 60 DEG C,
Reaction time is 2 ~ 3h, obtains reactant;
(4)In mass ratio 1:1 ~ 2, reactant is put into 10 ~ 15min of immersion in the concentrated sulfuric acid, filtering, soak is obtained, is washed with water
Soak is freeze-dried to neutrality, then by soak after washing, is collected dried object, is produced drier.
The step(1)The temperature of middle steam blasting be 110 ~ 150 DEG C, pressure is 1.2 ~ 1.5MPa, maintain pressure when
Between be 1 ~ 3min.
The step(2)Middle decolorising agent be activated carbon, carclazyte any one.
The step(2)The temperature of middle charing is 300 ~ 310 DEG C, and the time is 1 ~ 3h.
The step(2)Middle initiator be Liu Suan Jia ﹑ ammonium persulfates any one.
Compared with other method, advantageous effects are the present invention:
(1)The rhizoid of bog moss is solid work organ in the present invention, has absorption, while the relative table of bog moss plant itself
Area is big, and hole is flourishing, and the high hole carbide after the hydrophilic radical of bog moss progress steam blasting extraction and charing is mixed
Close, and wrapped up using acrylic acid with acrylamide, strengthen moisture pick-up properties;
(2)In the course of reaction of acrylic acid and acrylamide, sodium hydrogensulfite is added, the trace dissolved oxygen in its raw material occurs
Reaction, to eliminate oxygen, sodium hydrogensulfite produces certain free radical with oxygen reaction, adsorbs in acrylic acid and acrylamide
Surface, strengthen hydrophily, mixture is wrapped up with caused polymerization, the hydrophilic radical on increase mixture surface, made
It can be connected with hydrone with hydrogen bond, and so as to secure moisture, in polymer absorption saturation, unnecessary moisture is introduced into hole
Storage absorption is carried out in gap, further improves water absorbing properties.
Embodiment
Decolorising agent be activated carbon, carclazyte any one.
Initiator be Liu Suan Jia ﹑ ammonium persulfates any one.
The preparation method of drier of the present invention, comprises the following steps:
(1)In mass ratio 1:3 ~ 4, by mud Tai Xian ﹑ water temperature be 110 ~ 150 DEG C, pressure be 1.2 ~ 1.5MPa under, carry out steam
Explosion, the time for maintaining pressure is 1 ~ 3min, is cooled to room temperature, collects explosion thing, filtering, collects Lv Ye ﹑ filter residues;
(2)The decolorising agent of filtrate quality 20 ~ 30% is added into filtrate, stirs 10 ~ 15min, 30 ~ 35min is stood, after obtaining decolouring
Filtrate, by filter residue in the case where temperature is 300 ~ 310 DEG C, carbonized, the time is 1 ~ 3h, the filter residue after must carbonizing, in mass ratio 2
~3:1, the filtrate after decolouring is mixed with the filter residue after charing, obtains mixture;
(3)Count in parts by weight, 80 ~ 90 parts of 50 ~ 80 parts of Hun He Wu ﹑, 30 ~ 40 parts of Qu Li Shui ﹑ Bing Xi Suan 20 ~ 30 parts of acryloyls of ﹑
6 ~ 7 parts of Ma of An ﹑ carry out 2 ~ 3 parts of Ya Liu acid Qing Na 1 ~ 2 part of initiators of ﹑ of Suan Gan ﹑ and are put into reactor, are reacted at 55 ~ 60 DEG C,
Reaction time is 2 ~ 3h, obtains reactant;
(4)In mass ratio 1:1 ~ 2, reactant is put into the concentrated sulfuric acid that mass fraction is 70% and soaks 10 ~ 15min, filtering, is obtained
Soak, soak is washed with water to neutrality, then soak after washing is freeze-dried, collect dried object, produce drying
Agent.
Example 1
Decolorising agent is activated carbon.
Initiator is potassium peroxydisulfate.
The preparation method of drier of the present invention, comprises the following steps:
(1)In mass ratio 1:3, by mud Tai Xian ﹑ water temperature be 110 DEG C, pressure be 1.2MPa under, carry out steam blasting, maintain
The time of pressure is 1min, is cooled to room temperature, collects explosion thing, filtering, collects Lv Ye ﹑ filter residues;
(2)The decolorising agent of filtrate quality 20% is added into filtrate, stirs 10min, stands 30min, the filtrate after must decolourizing will
Filter residue is carbonized, time 1h, the filter residue after must carbonizing, in mass ratio 2 in the case where temperature is 300 DEG C:1, by the filter after decolouring
Liquid is mixed with the filter residue after charing, obtains mixture;
(3)Count in parts by weight, 80 parts of 50 parts of Hun He Wu ﹑, 30 parts of Qu Li Shui ﹑, 20 parts of Bing Xi Suan ﹑ Bing Xi Xian An 6 parts of maleic acids of ﹑
2 parts of Ya Liu acid Qing Na 1 part of initiators of ﹑ of Gan ﹑ are put into reactor, are reacted, reaction time 2h, must reacted at 55 DEG C
Thing;
(4)In mass ratio 1:1, reactant is put into the concentrated sulfuric acid that mass fraction is 70% and soaks 10min, filters, must soak
Thing, soak is washed with water to neutrality, then soak after washing is freeze-dried, collect dried object, produce drier.
Example 2
Decolorising agent is carclazyte.
Initiator is ammonium persulfate.
The preparation method of drier of the present invention, comprises the following steps:
(1)In mass ratio 1:3.5, by mud Tai Xian ﹑ water temperature be 125 DEG C, pressure be 1.3MPa under, carry out steam blasting, dimension
The time for holding pressure is 2min, is cooled to room temperature, collects explosion thing, filtering, collects Lv Ye ﹑ filter residues;
(2)The decolorising agent of filtrate quality 25% is added into filtrate, stirs 12min, stands 33min, the filtrate after must decolourizing will
Filter residue is carbonized, time 2h, the filter residue after must carbonizing, in mass ratio 2.5 in the case where temperature is 305 DEG C:1, after decolouring
Filtrate is mixed with the filter residue after charing, obtains mixture;
(3)Count in parts by weight, 85 parts of 65 parts of Hun He Wu ﹑, 35 parts of Qu Li Shui ﹑, 25 parts of Bing Xi Suan ﹑ Bing Xi Xian An ﹑, 6.5 parts of Malaysias
2.3 parts of Ya Liu acid Qing Na 1.5 parts of initiators of ﹑ of Suan Gan ﹑ are put into reactor, are reacted at 57 DEG C, reaction time 2.5h,
Obtain reactant;
(4)In mass ratio 1:1.5, reactant is put into the concentrated sulfuric acid that mass fraction is 70% and soaks 13min, filters, must soak
Thing, soak is washed with water to neutrality, then soak after washing is freeze-dried, collect dried object, produce drier.
Example 3
Decolorising agent is activated carbon.
Initiator is ammonium persulfate.
The preparation method of drier of the present invention, comprises the following steps:
(1)In mass ratio 1:4, by mud Tai Xian ﹑ water temperature be 150 DEG C, pressure be 1.5MPa under, carry out steam blasting, maintain
The time of pressure is 3min, is cooled to room temperature, collects explosion thing, filtering, collects Lv Ye ﹑ filter residues;
(2)The decolorising agent of filtrate quality 30% is added into filtrate, stirs 15min, stands 35min, the filtrate after must decolourizing will
Filter residue is carbonized, time 3h, the filter residue after must carbonizing, in mass ratio 3 in the case where temperature is 310 DEG C:1, by the filter after decolouring
Liquid is mixed with the filter residue after charing, obtains mixture;
(3)Count in parts by weight, 90 parts of 80 parts of Hun He Wu ﹑, 40 parts of Qu Li Shui ﹑, 30 parts of Bing Xi Suan ﹑ Bing Xi Xian An 7 parts of maleic acids of ﹑
3 parts of Ya Liu acid Qing Na 2 parts of initiators of ﹑ of Gan ﹑ are put into reactor, are reacted, reaction time 3h, must reacted at 60 DEG C
Thing;
(4)In mass ratio 1:2, reactant is put into the concentrated sulfuric acid that mass fraction is 70% and soaks 15min, filters, must soak
Thing, soak is washed with water to neutrality, then soak after washing is freeze-dried, collect dried object, produce drier.
Reference examples:The drier of Nanjing company production
Drier obtained by examples detailed above is detected with reference examples drier, specific detection is as follows:
According to the assay method of water absorption rate and the measure of moisture required by standard GB/T 7823-87 and GB6284-86
Method is carried out.At 25 DEG C, the closed system of different relative humidity is initially set up, then test is real respectively under different humidity
The wettability power of the drier and reference examples drier obtained by example is applied, their water absorption rate is calculated according to formula, and is contrasted,
Draw a conclusion such as table 1.
Water absorption rate(W)Calculation formula:W=(mb-mg)/mg*100%;Quality under mb-material water suction saturation state;
The quality of mg-material in the dry state.
Table 1:
In summary, drier effect of the invention is more preferable, is worth of widely use.
Claims (5)
1. a kind of preparation method of drier, it is characterised in that the preparation method comprises the following steps:
(1)In mass ratio 1:3 ~ 4, mud Tai Xian ﹑ water is subjected to steam blasting, is cooled to room temperature, collects explosion thing, is filtered, is collected
Lv Ye ﹑ filter residues;
(2)The decolorising agent that filtrate quality 20 ~ 30% is added into filtrate is decolourized, and the filtrate after must decolourizing, filter residue is carried out into charcoal
Change, the filter residue after must carbonizing, in mass ratio 2 ~ 3:1, the filtrate after decolouring is mixed with the filter residue after charing, must be mixed
Thing;
(3)Count in parts by weight, 80 ~ 90 parts of 50 ~ 80 parts of Hun He Wu ﹑, 30 ~ 40 parts of Qu Li Shui ﹑ Bing Xi Suan 20 ~ 30 parts of acryloyls of ﹑
6 ~ 7 parts of Ma of An ﹑ carry out 2 ~ 3 parts of Ya Liu acid Qing Na 1 ~ 2 part of initiators of ﹑ of Suan Gan ﹑ and are put into reactor, are reacted at 55 ~ 60 DEG C,
Reaction time is 2 ~ 3h, obtains reactant;
(4)In mass ratio 1:1 ~ 2, reactant is put into 10 ~ 15min of immersion in the concentrated sulfuric acid, filtering, soak is obtained, is washed with water
Soak is freeze-dried to neutrality, then by soak after washing, is collected dried object, is produced drier.
2. the preparation method of drier according to claim 1, it is characterised in that the step(1)Middle steam
The temperature of explosion is 110 ~ 150 DEG C, and pressure is 1.2 ~ 1.5MPa, and the time for maintaining pressure is 1 ~ 3min.
3. the preparation method of drier according to claim 1, it is characterised in that the step(2)Middle decolouring
Agent be activated carbon, carclazyte any one.
4. the preparation method of drier according to claim 1, it is characterised in that the step(2)Middle charing
Temperature be 300 ~ 310 DEG C, the time is 1 ~ 3h.
5. the preparation method of drier according to claim 1, it is characterised in that the step(2)Middle initiator is over cure
Suan Jia ﹑ ammonium persulfates any one.
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Cited By (1)
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CN109331791A (en) * | 2018-08-09 | 2019-02-15 | 张剑 | A kind of preparation method of complex food desiccant |
Citations (2)
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CN102226030A (en) * | 2011-05-25 | 2011-10-26 | 无锡凯恩科特再生能源科技有限公司 | Preparation method of crop straw based high power water absorbent |
CN105363324A (en) * | 2015-12-03 | 2016-03-02 | 丁玉琴 | Preparation method for biomass anti-lyolysis desiccant |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102226030A (en) * | 2011-05-25 | 2011-10-26 | 无锡凯恩科特再生能源科技有限公司 | Preparation method of crop straw based high power water absorbent |
CN105363324A (en) * | 2015-12-03 | 2016-03-02 | 丁玉琴 | Preparation method for biomass anti-lyolysis desiccant |
Non-Patent Citations (1)
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CN109331791A (en) * | 2018-08-09 | 2019-02-15 | 张剑 | A kind of preparation method of complex food desiccant |
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Application publication date: 20180119 |