CN101338182B - Chemical heating combinations and heating bag - Google Patents
Chemical heating combinations and heating bag Download PDFInfo
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- CN101338182B CN101338182B CN2007100939325A CN200710093932A CN101338182B CN 101338182 B CN101338182 B CN 101338182B CN 2007100939325 A CN2007100939325 A CN 2007100939325A CN 200710093932 A CN200710093932 A CN 200710093932A CN 101338182 B CN101338182 B CN 101338182B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Abstract
The invention belongs to the heating material field and in particular discloses a chemical heating composition which comprises iron powder, bamboo carbon powder, non-sodium soluble inorganic salt, water, inorganic porous water retention agent and super absorbent resin. In air, the heating composition can be used as heating material, and wastes of the heating composition can be reused as fertilizer and soil amendments. In addition, a heating bag which is provided with double-layer structure is also disclosed by the invention. The internal layer is a permeable package bag which is full of the chemical heating composition. The external layer is non-permeable package bag. The permeable package bag of the internal layer is processed from biodegradable nonwoven fabrics and biodegradable plastics. After being abandoned, the permeable package bag of the internal layer can be biodegradable, and pollutions to the environment are avoided.
Description
Technical field
The invention belongs to the exothermic material field, be specifically related to a kind of chemistry heating constituent; The invention still further relates to a kind of heating bag that utilizes this chemistry heating constituent in addition.
Background technology
Chinese patent CN1760310A discloses a kind of chemical exothermic material and a kind of heating bag that uses above-mentioned chemical exothermic material to make on 04 19th, 2006, to mix by iron powder, gac, sodium-chlor, water, inorganic water-holding agent (or wood powder) etc., the constituent of meeting the air heating is encapsulated in the ventilation property inner bag, is sealed in the outer bag of non-ventilation property to preserve again.During use, open outer bag and take out the internal heat generation bag.This disposable heating bag is in human body and animal heating, and plant and plant and instrument are incubated, and all there is important application aspects such as medicine synergy and health care, and consumption increases considerably just year by year.
But the waste after above-mentioned heating bag uses is piled up or landfill, is encapsulated in that the sodium-chlor in the residue can be polluted soil, river, lake etc. by strippings such as rainwater in the venting bags.
In addition, the high polymer material chemical stability as ventilating packaging bag is high now, and discarded back landfill is difficult to degraded, and bulk deposition can cause environmental pollution.Carry out burning disposal, the obnoxious flavour of supervening can pollute atmosphere.
Summary of the invention
At the deficiencies in the prior art, it is good that one of technical problem to be solved by this invention provides a kind of use properties, and resource can be reused and eco-friendly chemistry heating constituent.After this chemistry heating constituent used as exothermic material, its waste energy as fertilizer sources and soil improvement agent utilized again.
Two of technical problem to be solved by this invention is to propose a kind of heating bag that uses above-mentioned chemistry heating constituent, and the heating bag after discarding can have been avoided environment is polluted by biological degradation.
In order one of to solve the problems of the technologies described above, the chemistry heating constituent that the present invention proposes is made up of iron powder, bamboo charcoal powder, non-sodium soluble inorganic salt, water, inanimate matter porous water-holding agent, super absorbent resin, and the weight percentage of each component is:
Iron powder 43-65%;
Bamboo charcoal powder 5-15%;
Non-sodium soluble inorganic salt 1.5-15%;
Water 15-35%;
Inanimate matter porous water-holding agent 2-18%;
Super absorbent resin 0.5-5%.
The above-mentioned iron powder of the present invention is selected from reduced iron powder, cast iron powder, water-atomized iron powder, electrolytic iron powder, carbonyl iron dust and composition thereof.
The above-mentioned bamboo charcoal powder of the present invention is selected from activated processing, has that specific surface area is big, absorption property is strong, to the adsorptive value 〉=1000mg/g of iodine, to the bamboo charcoal powder of the decolorizing ability 〉=150mg/g of Yamamoto Methylene Blue ZF.Its raw material bamboo wood growth is fast, and fecundity is strong.Bamboo charcoal powder is used for exothermic material, and the catalytic activity height can be radiation infrared, discharges negative ion.Residual component as waste has preserve moisture and fertility, regulates the function of soil acidity or alkalinity and humidity.
The above-mentioned non-sodium soluble inorganic salt of the present invention is selected from that to contain plant desired nutritional elemental nitrogen, phosphorus, potassium etc. be the chemical fertilizer that principal mode exists with salt, is selected from Repone K, vitriolate of tartar, saltpetre, potassium primary phosphate, saleratus, monocalcium phosphate, calcium superphosphate, primary ammonium phosphate, ammonium chloride, ammonium sulfate, ammonium nitrate, bicarbonate of ammonia, urea and mixture thereof.
The above-mentioned inanimate matter porous of the present invention water-holding agent is selected from vermiculite, diatomite, silica gel, aluminum oxide, perlite, wilkinite and composition thereof.Select inanimate matter porous water-holding agent for use, can prevent chemical constitution thing caking, and have ventilation property.
The above-mentioned absorbent resin of the present invention has high water absorbing properties and water retention property, and its water-absorbing-retaining amount is that tens times of own wt are to more than thousand times.Among the present invention, preferentially selecting the water-absorbing-retaining amount for use is the super absorbent resin of own wt more than 100 times.Select for use super absorbent resin can suppress heating bag and in preparation and storage, produce hydrogen, prevent iron powder inactivation in storage.After the use, as the component of waste, super absorbent resin can make soil form crumb structure, absorbs moisture and fertilizer, and it is slowly emitted, and has the function that strengthens fertilizer efficiency and water conservation drought resisting.
The above-mentioned super absorbent resin of the present invention is selected from starch based series, comprises starch-grafted acrylonitrile hydrolysis thing, starch grafted acrylate, starch graft acrylamide, carboxymethylated starch, starch xanthate grafted propylene hydrochlorate, starch graft acrylic acid-acrylamide, starch graft acrylic acid-acrylamide-MALEIC ANHYDRIDE etc.; Also cellulose family series be can be selected from, carboxymethylation Mierocrystalline cellulose, cellulose graft acrylonitrile hydrolysis thing, cellulose graft acrylate, Mierocrystalline cellulose xanthation grafted propylene hydrochlorate, cellulose graft acrylamide etc. comprised; In addition, also synthetic resin series be can be selected from, polyacrylate, vinylformic acid-acetate ethylene copolymer, acrylic acid-acrylamide copolymer, polyacrylamide, polyvinyl alcohol, polyvinyl alcohol-acid anhydrides cross-linking copolymer, polyvinyl alcohol-acrylic acid graft copolymer, vinyl acetate between to for plastic-acrylic ester copolymer hydrolyzate, vinyl acetate between to for plastic-MALEIC ANHYDRIDE copolymerization hydrolyzate, the crosslinked hydrolyzate of polyacrylonitrile, acrylonitrile compolymer hydrolytic crosslinking thing etc. and composition thereof comprised.
The production method of relevant the present invention's chemistry heating constituent is not particularly limited, and just each constituent uniform mixing is got final product.
For solve the problems of the technologies described above two, the heating bag that the present invention proposes has bilayer structure, internal layer is the air permeable wrapping bag that is packaged with above-mentioned chemistry heating constituent, skin is non-air permeable wrapping bag, wherein, internal layer air permeable wrapping bag is processed by Biodegradable nonwoven cloth and biodegradable plastic.The two sides of the above-mentioned internal layer air permeable wrapping of the present invention bag constitutes by poromeric material; Also can be that one side is made of poromeric material, another side be made of non-poromeric material, at non-ventilative face coating binder, heating bag can be fixed on desirable position.The micropore of ventilative face is used to provide air and the contacted passage of heating constituent, by the feed rate of air penetrability size control air.Among the present invention, the Water Vapour Permeability scope of ventilative face generally is 200-900g/m
2D, better scope is 300-700g/m
2D.
The above-mentioned internal layer air permeable wrapping of the present invention bag is processed by biodegradable material, biodegradable material can be selected from cotton, fiber crops, the non-woven that regenerated fiber etc. form by chitosan or starch adhesion, polycaprolactone (PCL), poly butylene succinate (PBS) and multipolymer thereof gather (succinic acid-butanediol ester/adipic acid ester), poly(lactic acid) (PLA), poly butyric ester (PHB) and multipolymer thereof, the starch based biodegradable plastic, the interpolymer of aliphatic polyester and polymeric amide (CPAE), the aliphatic/aromatic polyester, polyvinyl alcohol (PVA), the laminated film of biodegradable polymer film such as poly-carbon dioxide copolymer or non-woven and these Biodegradable films and non-woven.
With respect to prior art, the non-ventilation property outer packaging bag of heating bag of the present invention is by having the material of high barrier to constitute to air, water vapour.During use,, take out the ventilation property inner bag that is packaged with the heating constituent as long as open outer bag, can be at efficient heat generation temperature persistent fever more than 10 hours more than 40 ℃.
After the present invention's chemistry heating constituent and heating bag thereof use, through landfill disposal or discarded in the open air, through drenching with rain and the width of cloth of sunlight note degraded gradually after a while, the microbial process that main is through perching in soil can make its that efflorescence and degraded take place, this has just solved the used ventilation property packing inside bag of currently available products in discarded back difficult degradation, causes the problem of environmental pollution.Sodium chloride-containing not simultaneously, remains in the mixture in the inner bag after the use, owing to can not work the mischief to soil, river, lake etc.Be that chemical fertilizer that principal mode exists enters in the soil with non-sodium soluble inorganic salt can be that plant-growth provides required nutritive element.Bamboo charcoal powder and super absorbent resin can be regulated the potential of hydrogen of soil and humidity, preserve moisture and fertility, the function of performance soil improvement agent.Therefore, with respect to prior art, heating constituent provided by the invention and heating bag not only use properties are good, and have realized resource optimization and utilization again, and have avoided environment is polluted.
Embodiment
Below in conjunction with specific embodiment technical scheme of the present invention is described further.
The mensuration of heating property parameter among the following embodiment of the present invention (comprising heating-up time, top temperature and time length):
The two sides of biological degradation air permeable wrapping bag: one side is ventilative face, is made of the non-woven of regenerated fiber and the laminated film of porous poly-(succinic acid-butanediol ester/adipic acid ester); Another side is non-ventilation property face, is made of poly-(succinic acid-butanediol ester/adipic acid ester) film.The long 130mm of bag, the wide 95mm of bag, four banding fabric width 6mm, Water Vapour Permeability is 450g/m
2D.Be encapsulated in the heavy 36.00g of chemistry heating constituent in the air permeable wrapping bag.Used bamboo charcoal powder, to the adsorptive value 1600mg/g of iodine, the decolorizing ability 260mg/g of Yamamoto Methylene Blue ZF (Shanghai City sea promise charcoal industry company limited).
Envrionment temperature: 20 ± 1 ℃, humidity 50-70%.
Heating-up time: needed time when sample is warmed up to 40 ℃ from beginning heating.
Top temperature: the top temperature that sample heating records.
Time length: after the sample heating from 40 ℃, through top temperature turn back to again 40 ℃ of times that record (in hour, the casting out of less than 1 hour).
Embodiment 1
With iron powder 20.16g, bamboo charcoal powder 3.00g, Repone K 1.00g, water 7.35g, vermiculite 4.00g, diatomite 0.49g uniform mixing is encapsulated in the biological degradation air permeable wrapping bag.
Record heating property: heating-up time 15min, 62 ℃ of top temperatures, heating continuing time 12h.
Comparative example 1
With iron powder 20.16g, bamboo charcoal powder 3.00g, sodium-chlor 1.00g, water 7.35g, vermiculite 4.00g, diatomite 0.49g uniform mixing is encapsulated in the biological degradation air permeable wrapping bag.
Record heating property: heating-up time 10min, 63 ℃ of top temperatures, heating continuing time 11h.
Comparative example 2
With iron powder 20.16g, and gac (to the adsorptive value＞1000mg/g of iodine, the decolorizing ability＞160mg/g of Yamamoto Methylene Blue ZF, nuclear industry Ningxia, Yinchuan City gac factory) 3.00g, Repone K 1.00g, water 7.35g, vermiculite 4.00g, diatomite 0.49g uniform mixing is encapsulated in the biological degradation air permeable wrapping bag.
Record heating property: heating-up time 18min, 61 ℃ of top temperatures, heating continuing time 13h.
Comparative example 3
With iron powder 20.16g, bamboo charcoal powder is (without activation treatment, adsorptive value 59mg/g to iodine, the adsorptive value 18mL of Yamamoto Methylene Blue ZF, Yuyao City black bamboo charcoal industry company limited) 3.00g, Repone K 1.00g, water 7.35g, vermiculite 4.00g, diatomite 0.49g uniform mixing is encapsulated in the biological degradation air permeable wrapping bag.
Record heating property: heating-up time 60min, 60 ℃ of top temperatures, heating continuing time 14h.
Embodiment 2
With iron powder 20.16g, bamboo charcoal powder 3.00g, Repone K 1.00g, water 7.35g, vermiculite 4.49g uniform mixing is encapsulated in the biological degradation air permeable wrapping bag.
Record heating property: heating-up time 21min, 61 ℃ of top temperatures, heating continuing time 13h.
Embodiment 3
With iron powder 20.16g, bamboo charcoal powder 3.00g, Repone K 1.00g, water 7.35g, vermiculite 3.28g, diatomite 0.49g, polyacrylate (water absorbent rate 750g/g, vast development in science and technology company limited of Baoding section) 0.72g, uniform mixing is encapsulated in the biological degradation air permeable wrapping bag.
Record heating property: heating-up time 18min, 61 ℃ of top temperatures, heating continuing time 13h.
Embodiment 4
With iron powder 19.55g, bamboo charcoal powder 2.92g, Repone K 0.97g, urea 0.97g, potassium primary phosphate 0.14g, water 7.13g, vermiculite 3.85g, diatomite 0.47g uniform mixing is encapsulated in the biological degradation air permeable wrapping bag.
Record heating property: heating-up time 19min, 62 ℃ of top temperatures, heating continuing time 13h.
Embodiment 5
With iron powder 19.55g, bamboo charcoal powder 2.92g, Repone K 0.97g, urea 0.97g, potassium primary phosphate 0.14g, water 7.13g, the crosslinked hydrolyzate of polyacrylonitrile (water absorbent rate 450g/g, Beijing Gaojing Resin Factory) 0.68g, vermiculite 3.17g, diatomite 0.47g uniform mixing is encapsulated in the biological degradation air permeable wrapping bag.
Record heating property: heating-up time 20min, 61 ℃ of top temperatures, heating continuing time 14h.
Claims (9)
1. a chemistry heating constituent is characterized in that, this chemistry heating constituent is made up of iron powder, bamboo charcoal powder, non-sodium soluble inorganic salt, water, inanimate matter porous water-holding agent and super absorbent resin, and the weight percentage of each component is:
Iron powder 43-65%;
Bamboo charcoal powder 5-15%;
Non-sodium soluble inorganic salt 1.5-15%;
Water 15-35%;
Inanimate matter porous water-holding agent 2-18%;
Super absorbent resin 0.5-5%;
The activated processing of above-mentioned bamboo charcoal powder is to the adsorptive value 〉=1000mg/g of iodine, to the decolorizing ability 〉=150mg/g of Yamamoto Methylene Blue ZF.
2. chemistry heating constituent according to claim 1, it is characterized in that non-sodium soluble inorganic salt is selected from Repone K, vitriolate of tartar, saltpetre, potassium primary phosphate, saleratus, monocalcium phosphate, calcium superphosphate, primary ammonium phosphate, ammonium chloride, ammonium sulfate, ammonium nitrate, bicarbonate of ammonia and mixture thereof.
3. chemistry heating constituent according to claim 1 is characterized in that inanimate matter porous water-holding agent is selected from vermiculite, diatomite, silica gel, aluminum oxide, perlite, wilkinite and composition thereof.
4. chemistry heating constituent according to claim 1 is characterized in that, super absorbent resin is that water-retaining capacity is an own wt more than 100 times, soil is had the super absorbent resin of improvement and preserve moisture and fertility function.
5. chemistry heating constituent according to claim 4, it is characterized in that, super absorbent resin is selected from starch based series, cellulose family series and synthetic resin series, and wherein: starch based series is selected from starch-grafted acrylonitrile hydrolysis thing, starch grafted acrylate, starch graft acrylamide, carboxymethylated starch, starch xanthate grafted propylene hydrochlorate, starch graft acrylic acid-acrylamide and starch graft acrylic acid-acrylamide-MALEIC ANHYDRIDE; Cellulose family series is selected from carboxymethylation Mierocrystalline cellulose, cellulose graft acrylonitrile hydrolysis thing, cellulose graft acrylate, Mierocrystalline cellulose xanthation grafted propylene hydrochlorate and cellulose graft acrylamide; Synthetic resin series is selected from polyacrylate, vinylformic acid-acetate ethylene copolymer, acrylic acid-acrylamide copolymer, polyacrylamide, polyvinyl alcohol, polyvinyl alcohol-acid anhydrides cross-linking copolymer, polyvinyl alcohol-acrylic acid graft copolymer, vinyl acetate between to for plastic-acrylic ester copolymer hydrolyzate, vinyl acetate between to for plastic-MALEIC ANHYDRIDE copolymerization hydrolyzate, the crosslinked hydrolyzate of polyacrylonitrile, acrylonitrile compolymer hydrolytic crosslinking thing and composition thereof.
6. heating bag, has bilayer structure, it is characterized in that, internal layer is the air permeable wrapping bag that is packaged with any one described chemistry heating constituent of claim 1-5, skin is non-air permeable wrapping bag, wherein, internal layer air permeable wrapping bag is processed by Biodegradable nonwoven cloth and biodegradable plastic.
7. heating bag according to claim 6 is characterized in that, internal layer air permeable wrapping bag one side at least is made of poromeric material, and the Water Vapour Permeability of ventilative face is 200-900g/m
2D.
8. heating bag according to claim 6 is characterized in that, Biodegradable nonwoven cloth is selected from the non-woven that cotton, fiber crops, regenerated fiber form by chitosan or starch adhesion.
9. heating bag according to claim 6, it is characterized in that biodegradable plastic is selected from interpolymer, polyvinyl alcohol and the carbon dioxide copolymer of polycaprolactone, poly butylene succinate, poly-(succinic acid-butanediol ester/adipic acid ester), poly(lactic acid), poly butyric ester, starch based biodegradable plastic, aliphatic polyester and polymeric amide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2007100939325A CN101338182B (en) | 2007-07-06 | 2007-07-06 | Chemical heating combinations and heating bag |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100939325A CN101338182B (en) | 2007-07-06 | 2007-07-06 | Chemical heating combinations and heating bag |
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| CN101338182A CN101338182A (en) | 2009-01-07 |
| CN101338182B true CN101338182B (en) | 2010-12-29 |
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