CN105107344B - A kind of deoxidation drying agent and preparation method thereof - Google Patents

A kind of deoxidation drying agent and preparation method thereof Download PDF

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CN105107344B
CN105107344B CN201510525347.2A CN201510525347A CN105107344B CN 105107344 B CN105107344 B CN 105107344B CN 201510525347 A CN201510525347 A CN 201510525347A CN 105107344 B CN105107344 B CN 105107344B
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drying agent
deoxidation
bentonite
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sodium
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CN105107344A (en
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唐群利
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Xiangtan Shangshang Preservation Technology Co., Ltd
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Anji Qunli Drying Agent Co Ltd
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Abstract

The invention belongs to deoxidation drying agent technical field, it is related to a kind of deoxidation drying agent, including following component:Iron powder, bamboo charcoal, sodium chloride, bentonite, quartz sand, water, hollow beads and fiber;Its preparation method includes:(1)Bamboo charcoal, sodium chloride, bentonite, quartz sand are mixed, water is added, stirs;(2)To step(1)In the mixture of gained, hollow minute particle is added, is mixed;(3)By fiber and iron powder, after stirring, step is added to(2)In the mixture of gained, mix, obtain deoxidation drying agent.Deoxidation drying agent provided by the present invention has deoxidation and functions/drying concurrently, and cation exchange capacity (CEC) is strong, and deoxidation obvious drying effect recycles rate high;Preparation method technique is simple, low for equipment requirements, is adapted to large-scale industrial production.

Description

A kind of deoxidation drying agent and preparation method thereof
Technical field
The invention belongs to deoxidation drying agent technical field, it is related to a kind of deoxidation drying agent and preparation method thereof.
Background technology
Drier is a kind of deicer that moisture is absorbed from air, is at itself by physics mode by Water Molecular Adsorption Structure in or absorbed by chemical mode and hydrone and change its chemical constitution, become another material.It is applied to anti- Only instrument, instrument, electric equipment, medicine, food, textile and other various packing articles are made moist.
Current market using it is more be exactly silica-gel desiccant, such as Patent No. CN104174373A patent of invention is disclosed A kind of silica-gel desiccant, select silica gel according to weight percent:50-70%, alundum (Al2O3):12-15%, three oxidations two Iron:8-10%, calcium chloride:5-8%, magnesium sulfate:3-6%, carboxymethyl cellulose:8-15%, essence:0.7-1.0%, then will choose After silica gel, alundum (Al2O3), di-iron trioxide, calcium chloride, magnesium sulfate, carboxymethyl cellulose, essence are well mixed, extruder is used Pellet is pressed into, and sends into dryer, the drying finished product in 120-130 DEG C of drying environment.It is an advantage of the invention that:Absorption speed Degree is fast, adsorption capacity is big, moreover it is possible to provides the air of delicate fragrance, further lifts air quality.Silica-gel desiccant is typically to use silicic acid Sodium and sulfuric acid reaction, and be made through a series of processing procedures such as aging, acid bubbles, raw materials for production are dangerous material, and process is more multiple It is miscellaneous.
Also number acid, alkaline drier, general water absorbing capacity is than larger, and rate of drying mostly can not also than very fast Regeneration is used.
Molecular sieve desiccant is also a kind of, is artificial synthesized and has the desiccant product of stronger adsorptivity to hydrone, is belonged to There is regular and uniform duct in crystalline aluminosilicate compound, its crystal structure, aperture is the order of magnitude of molecular size, but Its preparation process is more complicated, and using effect is also restricted.
At present, using it is more be that bentonite drier adsorption rate is fast, high adsorption capacity can be adsorbed equivalent to from body The water of 8-20 times of product is expanded to 30 times, more there is stronger cation exchange capacity (CEC) and adsorption capacity, nontoxic, tasteless, contactless Property burn into is pollution-free, especially to human body fanout free region.It is a kind of long-acting as disclosed in Patent No. CN104258695 Chinese patent Removal moisture drying agent, product absorption property under room temperature and general humidity is good, is removed with adsorption activity, static dehumidification and peculiar smell The effects such as, be widely used in it is each need to dry in industry, the potentiality with very big competition in the international market.But, these are swollen at present The native drier function of profit is single, only with desiccation, and recycles that rate is low, and drying effect is poor after recycling, suction Attached effect need to be improved.
The content of the invention
It is an object of the invention to provide a kind of deoxidation drying agent, deoxidation and functions/drying are had concurrently, cation exchange capacity (CEC) is strong, Deoxidation obvious drying effect, recycles rate high;Present invention simultaneously provides the preparation method of the deoxidation drying agent, technique is simple, It is low for equipment requirements, it is adapted to large-scale industrial production.
The present invention in order to achieve the above object, is adopted the following technical scheme that:A kind of deoxidation drying agent, including following group Point:Iron powder, bamboo charcoal, sodium chloride, bentonite, quartz sand, water.
The selected optimal component of the technical scheme, on the basis of functions/drying, increases deoxygenation function, with minimum component Effect is reached, cost is low, processing is simple.Iron powder has the effect of deoxidation, but simple iron powder is just easy to by oxygen in the external world Melt, it is poor as the effect of deoxidier, processed together with bamboo charcoal, sodium chloride, bentonite etc., protection can be played to iron powder and is made With the effect of maintenance deoxidation.
Bamboo charcoal, sodium chloride, bentonite are respectively provided with adsorption function, three's mixing, than the absorption effect that thrin is used alone Fruit is more notable, and adsorption capacity can reach bentonitic at least 3 times of exclusive use;Sodium chloride, which is not only increased, is adsorbed by drying effect Rate, and together with quartz sand, contributes to the scattered of each component in mixture, especially after a period of time has been used, it is to avoid Drier it is agglomerating, it is ensured that the deoxidation drying effect that deoxidation drying agent is reused.
Preferably, the addition percentage of each component is:Iron powder 10-35%, bamboo charcoal 1-8%, sodium chloride 1-8%, bentonite 1- 5%th, quartz sand 50-60%, water 10-25%.
Preferably, deoxidation drying agent also includes weight than fibre that the hollow beads for 1-10% and weight ratio are 5-10% Dimension.
In the technical scheme, fiber provides an attachment medium for mixture, and substantial amounts of water has been adsorbed in deoxidation drying agent After material, original steric configuration will not be changed, so as to not interfere with the deoxidation functions/drying of itself;Hollow beads are played The effect of scattered fiber, the effect of further reinforcing fibre.
Preferably, a diameter of 5-15 μm of the fiber, the length of the fiber is 0.1-1mm.
Preferably, the fiber is the mixture of bamboo fibre and viscose rayon, the bamboo fibre and the viscose rayon Mass mixing ratio be 1-3:1.
Bamboo fibre is respectively provided with good hygroscopicity with viscose rayon, and good with bentonitic tack, especially viscose glue Fiber, bentonite etc. is adhering to uniform thereon, and adhesive force is good, so that deoxidation drying agent is reproducible.
By above-mentioned implementation such scheme, deoxidation drying agent provided by the present invention has deoxidation and functions/drying concurrently, sun from Sub- exchange capacity is strong, deoxidation obvious drying effect, recycles rate high.
A kind of preparation method of deoxidation drying agent, including:(1)Bamboo charcoal, sodium chloride, bentonite, quartz sand are mixed, added Water, stirs;(2)To step(1)In the mixture of gained, hollow beads are added, are mixed;(3)By fiber and iron powder, stirring After uniform, step is added to(2)In the mixture of gained, mix, obtain deoxidation drying agent.
Further preferably, step(3)Carry out under vacuum.
Preferably, the bentonite is obtained by following steps:(ⅰ)Bentonite material is dried under the conditions of 70-90 DEG C Afterwards, 300-500 mesh is crushed to, raw material powder is obtained;(ⅱ):Raw material powder is added in sodium salt solution, handled 2-5 hours, filtering is obtained To treatment fluid;The weight ratio of raw material powder and sodium salt solution is 1:1-3;(ⅲ)Zeolite is added in treatment fluid, in mixing plant, is stirred Processing 1-3 hours is mixed, mixing speed is 200-300 revs/min;(ⅳ)Step(ⅲ)Obtained treatment fluid is concentrated, dry after Obtain stand-by bentonite.
In nature, mainly based on calcium-base bentonite, after being dispersed in water, though individual particle has slight expansion, State is still kept building up between crystal grain, adsorption effect is poor, pre-treatment is carried out to it using sodium salt, bentonite can be further opened Crystal layer, its adsorptivity can be significantly improved.Moreover, zeolite can be with heavy metal present in adsorption treatment liquid, especially Heavy metal lead, moreover it is possible to decolourized to treatment fluid, with above-mentioned rotating speed stir process 1-3 hours, fully absorption was fallen heavy metal-polluted Contaminate thing, it is ensured that the security of product, the whiteness for improving product, be particularly used in the deoxidation drying agent in food, the process is outstanding Its is important.
Preferably, the sodium salt is one or more of mixtures in sodium carbonate or sodium acid carbonate or sodium pyrophosphate, The concentration of sodium salt is 50-80%.
Preferably, the sodium salt is the mixture of sodium carbonate and sodium pyrophosphate, mass mixing ratio is 3-5:1.
By above-mentioned implementation such scheme, preparation method technique provided by the present invention is simple, low for equipment requirements, is adapted to Large-scale industrial production.
Embodiment
With reference to specific embodiment, the present invention is described in further detail.
Embodiment 1:
A kind of deoxidation drying agent, includes the component of following weight percents:Iron powder 20%, bamboo charcoal 2%, sodium chloride 2%, swelling Soil 1%, quartz sand 60%, water 15%.
The preparation method of above-mentioned deoxidation drying agent, including:(1)Each component is weighed up by weight percentage, by bamboo charcoal, chlorination Sodium, bentonite, quartz sand mixing, add water, stir;(2)To step(1)In the mixture of gained, iron powder, stirring are added After uniform, deoxidation drying agent is obtained.
Embodiment 2:
A kind of deoxidation drying agent, includes the component of following weight percents:Iron powder 35%, bamboo charcoal 2%, sodium chloride 2%, swelling Soil 1%, quartz sand 50%, water 15%.
The preparation method of above-mentioned deoxidation drying agent, including:(1)Each component is weighed up by weight percentage, by bamboo charcoal, chlorination Sodium, bentonite, quartz sand mixing, add water, stir;(2)To step(1)In the mixture of gained, iron powder, stirring are added After uniform, deoxidation drying agent is obtained.
Embodiment 3:
A kind of deoxidation drying agent, includes the component of following weight percents:Iron powder 10%, bamboo charcoal 8%, sodium chloride 2%, swelling Soil 5%, quartz sand 50%, water 25%.
The preparation method of above-mentioned deoxidation drying agent, including:(1)Each component is weighed up by weight percentage, by bamboo charcoal, chlorination Sodium, bentonite, quartz sand mixing, add water, stir;(2)To step(1)In the mixture of gained, iron powder, stirring are added After uniform, deoxidation drying agent is obtained.
Wherein, bentonite is obtained by following steps:(ⅰ)After drying bentonite material under the conditions of 90 DEG C, 300 are crushed to Mesh, obtains raw material powder;(ⅱ):Raw material powder is added in the sodium salt solution that concentration is 50%, handled 5 hours, filtering is handled Liquid;Sodium salt is sodium pyrophosphate;The weight ratio of raw material powder and sodium salt solution is 1:2;(ⅲ)Zeolite is added in treatment fluid, is set in stirring In standby, stir process 2 hours, mixing speed is 200 revs/min;(ⅳ)Step(ⅲ)Obtained treatment fluid is concentrated, dry after Obtain stand-by bentonite.
Embodiment 4:
A kind of deoxidation drying agent, includes the component of following weight percents:Iron powder 15%, bamboo charcoal 3%, sodium chloride 1%, swelling Soil 5%, quartz sand 60%, water 10%, hollow beads 1%, polyester fiber 5%.
The preparation method of above-mentioned deoxidation drying agent, including:(1)Bamboo charcoal, sodium chloride, bentonite, quartz sand are mixed, added Water, stirs;(2)To step(1)In the mixture of gained, hollow beads are added, are mixed;(3)By fiber with iron powder true Mixed under empty condition, after stirring, be added to step(2)In the mixture of gained, mix, obtain deoxidation drying agent.
Wherein, bentonite is obtained by following steps:(ⅰ)After drying bentonite material under the conditions of 90 DEG C, 300 are crushed to Mesh, obtains raw material powder;(ⅱ):Raw material powder is added in the sodium salt solution that concentration is 50%, handled 5 hours, filtering is handled Liquid;Sodium salt is the mixture of sodium carbonate and sodium pyrophosphate, and mass mixing ratio is 5:1;The weight ratio of raw material powder and sodium salt solution is 1:2;(ⅲ)Zeolite is added in treatment fluid, in mixing plant, stir process 2 hours, mixing speed is 200 revs/min;(ⅳ) Step(ⅲ)Obtained treatment fluid is concentrated, dry after obtain stand-by bentonite.
Embodiment 5:
A kind of deoxidation drying agent, includes the component of following weight percents:Iron powder 10%, bamboo charcoal 1%, sodium chloride 5%, swelling Soil 1%, quartz sand 55%, water 15%, hollow beads 3%, fiber 10%;Wherein fiber is the mixture of bamboo fibre and viscose rayon, matter It is 3 to measure mixing ratio:1.
The preparation method of above-mentioned deoxidation drying agent, including:(1)Bamboo charcoal, sodium chloride, bentonite, quartz sand are mixed, added Water, stirs;(2)To step(1)In the mixture of gained, hollow beads are added, are mixed;(3)By fiber with iron powder true Mixed under empty condition, after stirring, be added to step(2)In the mixture of gained, mix, obtain deoxidation drying agent.
Wherein, bentonite is obtained by following steps:(ⅰ)After drying bentonite material under the conditions of 70 DEG C, 400 are crushed to Mesh, obtains raw material powder;(ⅱ):Raw material powder is added in the sodium salt solution that concentration is 80%, handled 2 hours, filtering is handled Liquid;Sodium salt is the mixture of sodium carbonate and sodium pyrophosphate, and mass mixing ratio is 3:1;The weight ratio of raw material powder and sodium salt solution is 1:2;(ⅲ)Zeolite is added in treatment fluid, in mixing plant, stir process 2 hours, mixing speed is 250 revs/min;(ⅳ) Step(ⅲ)Obtained treatment fluid is concentrated, dry after obtain stand-by bentonite.
Embodiment 6:
A kind of deoxidation drying agent, includes the component of following weight percents:Iron powder 15%, bamboo charcoal 8%, sodium chloride 3%, swelling Soil 2%, quartz sand 50%, water 15%, hollow beads 1%, fiber 6%;Wherein fiber is the mixture of bamboo fibre and viscose rayon, matter It is 2 to measure mixing ratio:1.
The preparation method of above-mentioned deoxidation drying agent, including:(1)Bamboo charcoal, sodium chloride, bentonite, quartz sand are mixed, added Water, stirs;(2)To step(1)In the mixture of gained, hollow beads are added, are mixed;(3)By fiber with iron powder true Mixed under empty condition, after stirring, be added to step(2)In the mixture of gained, mix, obtain deoxidation drying agent.
Wherein, bentonite is obtained by following steps:(ⅰ)After drying bentonite material under the conditions of 80 DEG C, 500 are crushed to Mesh, obtains raw material powder;(ⅱ):Raw material powder is added in the sodium salt solution that concentration is 60%, handled 4 hours, filtering is handled Liquid;Sodium salt is sodium carbonate;The weight ratio of raw material powder and sodium salt solution is 1:3;(ⅲ)Zeolite is added in treatment fluid, in mixing plant In, stir process 3 hours, mixing speed is 200 revs/min;(ⅳ)Step(ⅲ)Obtained treatment fluid is concentrated, dry after To stand-by bentonite.
Embodiment 7:
A kind of deoxidation drying agent, includes the component of following weight percents:Iron powder 30%, bamboo charcoal 2%, sodium chloride 1%, swelling Soil 1%, quartz sand 50%, water 10%, hollow beads 1%, fiber 5%;Wherein fiber is the mixture of bamboo fibre and viscose rayon, matter It is 1 to measure mixing ratio:1.
The preparation method of above-mentioned deoxidation drying agent, including:(1)Bamboo charcoal, sodium chloride, bentonite, quartz sand are mixed, added Water, stirs;(2)To step(1)In the mixture of gained, hollow beads are added, are mixed;(3)By fiber with iron powder true Mixed under empty condition, after stirring, be added to step(2)In the mixture of gained, mix, obtain deoxidation drying agent.
Wherein, bentonite is obtained by following steps:(ⅰ)After drying bentonite material under the conditions of 75 DEG C, 350 are crushed to Mesh, obtains raw material powder;(ⅱ):Raw material powder is added in the sodium salt solution that concentration is 70%, handled 3 hours, filtering is handled Liquid;Sodium salt be sodium acid carbonate and mixture, mass mixing ratio is 3.5:1;The weight ratio of raw material powder and sodium salt solution is 1:1; (ⅲ)Zeolite is added in treatment fluid, in mixing plant, stir process 1 hour, mixing speed is 300 revs/min;(ⅳ)Step (ⅲ)Obtained treatment fluid is concentrated, dry after obtain stand-by bentonite.

Claims (7)

1. a kind of deoxidation drying agent, it is characterised in that:Component including following weight percents:Iron powder 10-35%, bamboo charcoal 1-8%, Sodium chloride 1-8%, bentonite 1-5%, quartz sand 50-60%, water 10-25%;Hollow beads 1-10%, fiber 5-10%;The fiber A diameter of 5-15 μm, the length of the fiber is 0.1-1mm.
2. a kind of deoxidation drying agent according to claim 1, it is characterised in that:The fiber is bamboo fibre and viscose rayon The mass mixing ratio of mixture, the bamboo fibre and the viscose rayon is 1-3:1.
3. a kind of preparation method of deoxidation drying agent as claimed in claim 1, it is characterised in that:Including:(1)By bamboo charcoal, chlorination Sodium, bentonite, quartz sand mixing, add water, stir;(2)To step(1)In the mixture of gained, hollow beads are added, Mix;(3)By fiber and iron powder, after stirring, step is added to(2)In the mixture of gained, mix, obtain deoxidation drying Agent.
4. a kind of preparation method of deoxidation drying agent according to claim 3, it is characterised in that:Step(3)In vacuum condition It is lower to carry out.
5. a kind of preparation method of deoxidation drying agent according to claim 3, it is characterised in that:The bentonite is by as follows Step is obtained:(ⅰ)After drying bentonite material under the conditions of 70-90 DEG C, 300-500 mesh is crushed to, raw material powder is obtained;(ⅱ):Will Raw material powder is added in sodium salt solution, is handled 2-5 hours, and filtering obtains treatment fluid;The weight ratio of raw material powder and sodium salt solution is 1:1-3;(ⅲ)Zeolite is added in treatment fluid, in mixing plant, stir process 1-3 hours, mixing speed be 200-300 turn/ Minute;(ⅳ)Step(ⅲ)Obtained treatment fluid is concentrated, dry after obtain stand-by bentonite.
6. a kind of preparation method of deoxidation drying agent according to claim 5, it is characterised in that:The sodium salt be sodium carbonate or One or more of mixtures in sodium acid carbonate or sodium pyrophosphate, the concentration of sodium salt is 50-80%.
7. a kind of preparation method of deoxidation drying agent according to claim 6, it is characterised in that:The sodium salt be sodium carbonate with The mixture of sodium pyrophosphate, mass mixing ratio is 3-5:1.
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CN108355468A (en) * 2016-04-15 2018-08-03 安溪县景宏技术咨询有限公司 A kind of desiccant material
CN106925239A (en) * 2017-04-11 2017-07-07 安徽省明美矿物化工有限公司 A kind of novel drier and preparation method thereof
CN107096356A (en) * 2017-05-22 2017-08-29 句容康泰膨润土有限公司 A kind of bentonite drier and preparation method thereof
CN107096357A (en) * 2017-06-01 2017-08-29 冯新平 A kind of deoxidation type drier and preparation method thereof
CN115532234A (en) * 2022-09-15 2022-12-30 王瑞明 Novel deoxidizing and drying agent and preparation method thereof

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CN1080209A (en) * 1992-06-13 1994-01-05 唐山市华兴实业公司 Deodorant drier and manufacturing process thereof
CN1416947A (en) * 2001-10-31 2003-05-14 上海博力科技发展有限公司 Active deoxidizing desiccant and its prepn
CN103721533A (en) * 2013-12-23 2014-04-16 广西弘耀祥科技有限公司 Deoxidizing and drying agent and preparation method thereof

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Effective date of registration: 20191211

Address after: No. 4, Zhenxing North Road, Tianhe Town, Gaogang District, Taizhou City, Jiangsu Province

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Address before: 313000, Zhejiang, Huzhou province Anji County filial piety Fengzhen Li village grass Factory Group Anji Li desiccant Co., Ltd.

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Address before: No. 4, Zhenxing North Road, Tianhe Town, Gaogang District, Taizhou City, Jiangsu Province

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