CN102327729B - Drying agent for bar-shaped container - Google Patents
Drying agent for bar-shaped container Download PDFInfo
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- CN102327729B CN102327729B CN 201110210532 CN201110210532A CN102327729B CN 102327729 B CN102327729 B CN 102327729B CN 201110210532 CN201110210532 CN 201110210532 CN 201110210532 A CN201110210532 A CN 201110210532A CN 102327729 B CN102327729 B CN 102327729B
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- bar
- concave
- drying agent
- container
- convex
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- 239000002274 desiccant Substances 0.000 title claims abstract description 42
- 239000004927 clay Substances 0.000 claims abstract description 41
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910000514 dolomite Inorganic materials 0.000 claims abstract description 25
- 239000010459 dolomite Substances 0.000 claims abstract description 25
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims abstract description 18
- 239000001110 calcium chloride Substances 0.000 claims abstract description 17
- 229910001628 calcium chloride Inorganic materials 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 239000011347 resin Substances 0.000 claims abstract description 10
- 229920005989 resin Polymers 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 6
- 239000002245 particle Substances 0.000 claims description 19
- 239000000843 powder Substances 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 15
- 230000020477 pH reduction Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 11
- 238000004806 packaging method and process Methods 0.000 abstract description 2
- 230000002745 absorbent Effects 0.000 abstract 2
- 239000002250 absorbent Substances 0.000 abstract 2
- 229960000892 attapulgite Drugs 0.000 abstract 2
- 229910052625 palygorskite Inorganic materials 0.000 abstract 2
- 239000004615 ingredient Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 229920002472 Starch Polymers 0.000 description 9
- 235000019698 starch Nutrition 0.000 description 9
- 239000008107 starch Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 6
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- OYPRJOBELJOOCE-IGMARMGPSA-N Calcium-40 Chemical compound [40Ca] OYPRJOBELJOOCE-IGMARMGPSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Landscapes
- Drying Of Gases (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a drying agent for a bar-shaped container, and the drying agent is characterized by consisting of dolomite attapulgite clay, sulfuric acid, high-viscosity attapulgite clay, calcium chloride and super absorbent resin. A production method of the drying agent of the bar-shaped container comprises the following steps: mixing and stirring ingredients of the drying agent of the bar-shaped container; and hermetically packaging to form the drying agent of the bar-shaped container after uniformly stirring. When put into the container, the drying agent of the bar-shaped container can quickly absorb moisture in the container, liquid-state water is generated after the moisture in the container is massively adsorbed by the drying agent of the bar-shaped container, and simultaneously the super absorbent resin quickly expands and is transformed into gel-shaped solid-state material after absorbing the liquid-state water. The drying agent of the bar-shaped container can efficiently and durably adsorb the moisture in the container, has the effective moisture absorption capability of over 60 days, prevents the problem of cargo damage due to the fact that the container is wetted and condensed, and is suitable for being placed in a large transporting container.
Description
Technical field
The present invention relates to drier, be specifically related to a kind of drying agent for bar-shaped container.
Background technology
In container transport by sea or storage process, container tends to experience ocean high humidity weather and stronger day and night temperature changes, and can produce " container rain ", and the water of this liquid state can produce serious influence to the external packing of goods in the container or goods.
Nowadays, Container shipping drier main component is with Concave-convex clay rod, montmorillonite and calcium chloride, it is that to adopt merely calcium chloride be primary raw material that the higher drying agent for containers of a kind of hydroscopicity is arranged, although the hydroscopicity of calcium chloride is high, but generate aqueous water after the moisture absorption, be easy to from the drying agent for containers packaging material, leak out, pollute the external packing of the interior goods of container and container or goods.
China Patent Publication No. CN 101637691 A, open day on 02 03rd, 2010, name is called " a kind of preparation method of container drier ", disclose " a kind of preparation method of drier of counter special use, it is that the converted starch of 60%～80% calcium chloride and 20%～40% is packed into to seal in Du Pont's paper bag and got final product with mass percent; Because the moisture in the counter can enter in the packaging bag by Du Pont's paper bag and contact with calcium chloride and converted starch, calcium chloride has good water sorption, moisture can be solidified as for converted starch, so this product moisture sorption effect is good, can guarantee effectively that the goods in the counter is in drying regime; Because the Vapor adsorption of this product is effective, and cost of manufacture is low, thereby is widely used on the counter drying ".
The weak point of above-mentioned patent is to use " converted starch " that moisture is solidified in this technology, directly have influence on the practical effect of container drier, because the water content of converted starch is 15%～21%, the amount that converted starch self can solidify the moisture of calcium chloride absorption is also little.
Adopt the container drier of 100 grams to calculate, charge ratio is 60% calcium chloride and 40% converted starch, 60 gram calcium chloride in the container drier of 100 grams can adsorb the interior moisture of counter 〉=60 grams, and the converted starches of 40 grams can't solidify the moisture of 60 grams.
The converted starch purchase cost is higher, is unfavorable for applying.
Summary of the invention
The objective of the invention is to overcome weak point in the prior art, a kind of drying agent for bar-shaped container that hydroscopicity is high and the moisture that adsorbs can be cured that has is provided.
Drying agent for bar-shaped container is comprised of dolomite Concave-convex clay rod, sulfuric acid, high sticking Concave-convex clay rod powder, calcium chloride and high hydroscopic resin.
The production method of drying agent for bar-shaped container: the batching of drying agent for bar-shaped container input mixer is carried out mix and blend, pack after stirring and be drying agent for bar-shaped container.
The content of calcium oxide 〉=24% in the dolomite Concave-convex clay rod, magnesian content 〉=12%; Alundum (Al2O3) content 〉=8%,
With the sulfate mixtures such as generating portion calcium sulfate, magnesium sulfate and aluminum sulfate after the acidified processing of dolomite Concave-convex clay rod, calcium sulfate, magnesium sulfate and aluminum sulfate all have higher wettability power, again the dolomite Concave-convex clay rod after the acidification is carried out activation heat treatment, greatly improved the moisture sorption effect of dolomite Concave-convex clay rod.
High sticking Concave-convex clay rod water imbibition is strong, and tool viscosity and plasticity are conducive to the bonding between the raw material when wet, improve adsorption capacity and the granule strength of drying agent for bar-shaped container.
High sticking Concave-convex clay rod powder refers to get 28.0g Concave-convex clay rod powder sample, add in the suspension cup of homogenizer, add again 372g water, the suspension cup is placed on the homogenizer, under 11000 rev/mins rotating speed, stirred 20 minutes, to pour in the beaker of 250ml through the high-speed stirred sample suspension again, the viscosity of using NDJ-1 type rotation viscometer to test its suspension, the Concave-convex clay rod powder of tested viscosity value 〉=2200 mPas is high sticking Concave-convex clay rod powder.
Calcium chloride is soluble in water, and hygroscopicity is extremely strong, is exposed in the air very easily deliquescence, and calcium chloride can absorb the moisture greater than own wt from air, and the present invention selects anhydrous calcium chloride, the content of calcium chloride 〉=90%.
The water absorption of high hydroscopic resin is large, can reach hundreds of times even thousands of times of sole mass, can generate gel after the suction within the several seconds, and water-retaining property is strong.High hydroscopic resin is used for the present invention can rapid the expansion be converted into the gel solid body with the water of drying agent for bar-shaped container absorption, this gel solid body is called solid water, even under low temperature, pressurized conditions, also be difficult for dehydration, good stability to light, heat, cold-peace soda acid, has good biodegradability, the grain fineness of the high hydroscopic resin that the present invention selects≤1.0 millimeter.
The present invention is achieved by following technical proposals:
1, the batching of drying agent for bar-shaped container is comprised of following component by weight percentage: bar shaped concave convex rod drier 10～35%, calcium chloride 64～89% and high hydroscopic resin 0.01～3%;
The production method of drying agent for bar-shaped container: the batching of drying agent for bar-shaped container input mixer is carried out mix and blend, pack after stirring and be drying agent for bar-shaped container;
The batching of described bar shaped concave convex rod drier is comprised of following component by weight percentage: the dolomite Concave-convex clay rod 80～95% after the acidification and high sticking Concave-convex clay rod powder 5～20%;
The production method of bar shaped concave convex rod drier: 1. mix in the batching input biaxial rneader with bar shaped concave convex rod drier, mix in the rear input extruser and extrude the bar shaped particle, the bar shaped particle is cylindrical, the bar shaped particle diameter is controlled at 0.5～3.0 millimeter, and length is controlled at 5～20 millimeters; 2. will carry out roasting in the bar shaped particle input roaster, sintering temperature is controlled at 280～600 ℃, roasting time is controlled at 60～180 minutes, 3. the bar shaped particle sieves after cooling off through roasting, the crushed particles and the powder that produce in the roasting process are screened out, be bar shaped concave convex rod drier, the water content of bar shaped concave convex rod drier≤1.5% after the screening;
The method of the dolomite Concave-convex clay rod after the described production acidification: 1. the dolomite Concave-convex clay rod is pulverized the grain fineness after the pulverizing≤0.50 millimeter; 2. the preparation of dilute sulfuric acid is comprised of following component by weight percentage: the sulfuric acid 1～20% of concentration 98 ﹪ and water 80～99%; 3. the batching of acidification is comprised of following component by weight percentage: dolomite Concave-convex clay rod 55～75% and dilute sulfuric acid 25～45%; 4. dilute sulfuric acid is slowly added and carry out acidification in the dolomite Concave-convex clay rod, the dolomite Concave-convex clay rod after the acidified processing was stacked 24～72 hours.
Acidification technique of the present invention does not have discharge of wastewater, and method is simple, and is environment friendly and pollution-free.
After drying agent for bar-shaped container added measuring cup, placing in the drier that fills saturated aqueous sodium chloride, is under 25 ℃ the condition in temperature, 24 hours Static Water absorption 〉=35%.
The present invention adopts the dolomite Concave-convex clay rod after high sticking Concave-convex clay rod powder and the acidification jointly to mix in the rear input extruser and extrudes the bar shaped particle, the process roasting is bar shaped concave convex rod drier, greatly improved adsorption capacity and the granule strength of drying agent for bar-shaped container, bar shaped concave convex rod drier can absorb the aqueous water that is equivalent to own wt 〉=65%.
Drying agent for bar-shaped container is placed in the container, can rapidly the moisture in the container be absorbed, when drying agent for bar-shaped container adsorbs in the container when generating aqueous water behind the moisture in a large number, expanding rapidly after high hydroscopic resin absorbs aqueous water is converted into the gel solid body.
Bar shaped concave convex rod drier is in the absorption container in the moisture, the aqueous water that can also adsorb gel solid body surface, and become an integral body with the adhesion of gel solid body, therefore, the generation aqueous water be can again not transform behind the moisture in the drying agent for bar-shaped container absorption container, seepage and the phenomenon of dripping avoided from packaging material, occuring;
Drying agent for bar-shaped container can adsorb the moisture in the container efficiently, lastingly, has to surpass effective wettability power of 60 days, keeps metastable standard humidity in the container, prevents the cargo damage problem that container occurs because of the dewfall of making moist.
Drying agent for bar-shaped container is cheap, and result of use is remarkable, does not pollute degradable, after the dismounting packing, can be used as general waste treatment.
Drying agent for bar-shaped container is applicable to be placed in the large-scale delivery container.
The specific embodiment
The invention will be further described below in conjunction with embodiment:
1, the batching of drying agent for bar-shaped container is comprised of following component by weight percentage: bar shaped concave convex rod drier 20%, calcium chloride 79.5% and high hydroscopic resin 0.5%;
The production method of drying agent for bar-shaped container: the batching of drying agent for bar-shaped container input mixer is carried out mix and blend, pack after stirring and be drying agent for bar-shaped container;
The batching of described bar shaped concave convex rod drier is comprised of following component by weight percentage: the dolomite Concave-convex clay rod 86% after the acidification and high sticking Concave-convex clay rod powder 14%;
The production method of bar shaped concave convex rod drier: 1. mix in the batching input biaxial rneader with bar shaped concave convex rod drier, mix in the rear input extruser and extrude the bar shaped particle, the bar shaped particle is cylindrical, the bar shaped particle diameter is controlled at 2.0 millimeters, and length is controlled at 10 millimeters; 2. will carry out roasting in the bar shaped particle input roaster, sintering temperature is controlled at 300～320 ℃, roasting time is controlled at 90 minutes, 3. the bar shaped particle sieves after cooling off through roasting, the crushed particles and the powder that produce in the roasting process are screened out, be bar shaped concave convex rod drier, the water content of bar shaped concave convex rod drier≤1.5% after the screening;
The method of the dolomite Concave-convex clay rod after the described production acidification: 1. the dolomite Concave-convex clay rod is pulverized the grain fineness after the pulverizing≤0.50 millimeter; 2. the preparation of dilute sulfuric acid is comprised of following component by weight percentage: the sulfuric acid 10% of concentration 98 ﹪ and water 90%; 3. the batching of acidification is comprised of following component by weight percentage: dolomite Concave-convex clay rod 68% and dilute sulfuric acid 32%; 4. dilute sulfuric acid is slowly added and carry out acidification in the dolomite Concave-convex clay rod, the dolomite Concave-convex clay rod after the acidified processing was stacked 48 hours.
Through on-the-spot test, drying agent for bar-shaped container added measuring cup after, place in the drier that fills saturated aqueous sodium chloride, be under 25 ℃ the condition in temperature, 24 hours Static Water absorption 〉=62%,
48 hours 〉=75%, 72 hours Static Water of Static Water absorption absorption 〉=84%.
Claims (1)
1. a drying agent for bar-shaped container is characterized in that, the batching of drying agent for bar-shaped container is comprised of following component by weight percentage: bar shaped concave convex rod drier 10～35%, calcium chloride 64～89% and high hydroscopic resin 0.01～3%;
The production method of drying agent for bar-shaped container: the batching of drying agent for bar-shaped container input mixer is carried out mix and blend, pack after stirring and be drying agent for bar-shaped container;
The batching of described bar shaped concave convex rod drier is comprised of following component by weight percentage: the dolomite Concave-convex clay rod 80～95% after the acidification and high sticking Concave-convex clay rod powder 5～20%;
The production method of bar shaped concave convex rod drier: 1. mix in the batching input biaxial rneader with bar shaped concave convex rod drier, mix in the rear input extruser and extrude the bar shaped particle, the bar shaped particle is cylindrical, the bar shaped particle diameter is controlled at 0.5～3.0 millimeter, and length is controlled at 5～20 millimeters; 2. will carry out roasting in the bar shaped particle input roaster, sintering temperature is controlled at 280～600 ℃, roasting time is controlled at 60～180 minutes, 3. the bar shaped particle sieves after cooling off through roasting, the crushed particles and the powder that produce in the roasting process are screened out, be bar shaped concave convex rod drier, the water content of bar shaped concave convex rod drier≤1.5% after the screening;
The method of the dolomite Concave-convex clay rod after the described production acidification: 1. the dolomite Concave-convex clay rod is pulverized the grain fineness after the pulverizing≤0.50 millimeter; 2. the preparation of dilute sulfuric acid is comprised of following component by weight percentage: the sulfuric acid 1～20% of concentration 98 ﹪ and water 80～99%; 3. the batching of acidification is comprised of following component by weight percentage: dolomite Concave-convex clay rod 55～75% and dilute sulfuric acid 25～45%; 4. dilute sulfuric acid is slowly added and carry out acidification in the dolomite Concave-convex clay rod, the dolomite Concave-convex clay rod after the acidified processing was stacked 24～72 hours;
The sticking Concave-convex clay rod powder of described height refers to get 28.0g Concave-convex clay rod powder sample, add in the suspension cup of homogenizer, add again 372g water, the suspension cup is placed on the homogenizer, under 11000 rev/mins rotating speed, stirred 20 minutes, to pour in the beaker of 250ml through the high-speed stirred sample suspension again, the viscosity of using NDJ-1 type rotation viscometer to test its suspension, the Concave-convex clay rod powder of tested viscosity value 〉=2200 mPas is high sticking Concave-convex clay rod powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110210532 CN102327729B (en) | 2011-07-26 | 2011-07-26 | Drying agent for bar-shaped container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110210532 CN102327729B (en) | 2011-07-26 | 2011-07-26 | Drying agent for bar-shaped container |
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| Publication Number | Publication Date |
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| CN102327729A CN102327729A (en) | 2012-01-25 |
| CN102327729B true CN102327729B (en) | 2013-04-17 |
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| CN 201110210532 Expired - Fee Related CN102327729B (en) | 2011-07-26 | 2011-07-26 | Drying agent for bar-shaped container |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106552599A (en) * | 2015-09-30 | 2017-04-05 | 明光市龙腾矿物有限公司 | A kind of active mineral drier |
| CN112473618A (en) * | 2020-11-05 | 2021-03-12 | 安徽绿萝兰环保科技有限公司 | Method for preparing powdery calcium chloride drying agent for packaging |
| CN112588091A (en) * | 2020-11-17 | 2021-04-02 | 干霸干燥剂(深圳)有限公司 | Calcium chloride drying agent and preparation method thereof |
| CN112870926B (en) * | 2021-01-26 | 2023-03-21 | 深圳市宏电技术股份有限公司 | Drying agent and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1164350C (en) * | 2001-12-06 | 2004-09-01 | 吴才来 | Mineral drying agent |
| CN1631511A (en) * | 2004-11-18 | 2005-06-29 | 盱眙博图凹土高新技术开发有限公司 | Attapulgite clay desiccant specified for container |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001034295A1 (en) * | 1999-11-12 | 2001-05-17 | Engelhard Corporation | Sorbent, method of making the sorbent, and method of using the sorbent in fixed bed applications |
| US20030197305A1 (en) * | 2002-04-23 | 2003-10-23 | Mike Collins | Method of using clays to form absorbent materials |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1164350C (en) * | 2001-12-06 | 2004-09-01 | 吴才来 | Mineral drying agent |
| CN1631511A (en) * | 2004-11-18 | 2005-06-29 | 盱眙博图凹土高新技术开发有限公司 | Attapulgite clay desiccant specified for container |
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