CN105800996A - Method for preparing cement foaming agent from waste wool keratin - Google Patents
Method for preparing cement foaming agent from waste wool keratin Download PDFInfo
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- CN105800996A CN105800996A CN201610170997.4A CN201610170997A CN105800996A CN 105800996 A CN105800996 A CN 105800996A CN 201610170997 A CN201610170997 A CN 201610170997A CN 105800996 A CN105800996 A CN 105800996A
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- wool keratin
- sodium
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- waste wool
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- 210000002268 wool Anatomy 0.000 title claims abstract description 119
- 108010076876 Keratins Proteins 0.000 title claims abstract description 97
- 102000011782 Keratins Human genes 0.000 title claims abstract description 97
- 239000002699 waste material Substances 0.000 title claims abstract description 77
- 239000004568 cement Substances 0.000 title claims abstract description 74
- 239000004088 foaming agent Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000000243 solution Substances 0.000 claims abstract description 38
- 239000010413 mother solution Substances 0.000 claims abstract description 26
- 238000005406 washing Methods 0.000 claims abstract description 15
- 108010010803 Gelatin Proteins 0.000 claims abstract description 14
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 14
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 14
- 239000004288 Sodium dehydroacetate Substances 0.000 claims abstract description 14
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000001768 carboxy methyl cellulose Substances 0.000 claims abstract description 14
- 229920000159 gelatin Polymers 0.000 claims abstract description 14
- 239000008273 gelatin Substances 0.000 claims abstract description 14
- 235000019322 gelatine Nutrition 0.000 claims abstract description 14
- 235000011852 gelatine desserts Nutrition 0.000 claims abstract description 14
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 14
- 239000011734 sodium Substances 0.000 claims abstract description 14
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 14
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims abstract description 14
- 239000004299 sodium benzoate Substances 0.000 claims abstract description 14
- 235000010234 sodium benzoate Nutrition 0.000 claims abstract description 14
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims abstract description 14
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims abstract description 14
- 229940079839 sodium dehydroacetate Drugs 0.000 claims abstract description 14
- 235000019259 sodium dehydroacetate Nutrition 0.000 claims abstract description 14
- DSOWAKKSGYUMTF-GZOLSCHFSA-M sodium;(1e)-1-(6-methyl-2,4-dioxopyran-3-ylidene)ethanolate Chemical compound [Na+].C\C([O-])=C1/C(=O)OC(C)=CC1=O DSOWAKKSGYUMTF-GZOLSCHFSA-M 0.000 claims abstract description 14
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims abstract description 14
- 239000012224 working solution Substances 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 230000007062 hydrolysis Effects 0.000 claims abstract description 8
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 8
- 239000011259 mixed solution Substances 0.000 claims abstract description 7
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 239000004604 Blowing Agent Substances 0.000 claims description 64
- 238000002360 preparation method Methods 0.000 claims description 34
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 26
- 239000000203 mixture Substances 0.000 claims description 25
- JYTNGEWJAZCVAN-UHFFFAOYSA-N 2-hexadecylbenzenesulfonic acid;sodium Chemical compound [Na].CCCCCCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O JYTNGEWJAZCVAN-UHFFFAOYSA-N 0.000 claims description 24
- 241000283898 Ovis Species 0.000 claims description 24
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 18
- 238000004140 cleaning Methods 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 14
- 150000001336 alkenes Chemical class 0.000 claims description 13
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 13
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 13
- 239000002994 raw material Substances 0.000 claims description 11
- 235000010265 sodium sulphite Nutrition 0.000 claims description 9
- -1 after washing Substances 0.000 claims description 6
- 238000010790 dilution Methods 0.000 claims description 6
- 239000012895 dilution Substances 0.000 claims description 6
- 230000000887 hydrating effect Effects 0.000 claims description 6
- 238000007654 immersion Methods 0.000 claims description 6
- 238000003760 magnetic stirring Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 239000010985 leather Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 239000004753 textile Substances 0.000 claims description 4
- GEHJBWKLJVFKPS-UHFFFAOYSA-N bromochloroacetic acid Chemical compound OC(=O)C(Cl)Br GEHJBWKLJVFKPS-UHFFFAOYSA-N 0.000 claims description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 abstract description 2
- 239000000920 calcium hydroxide Substances 0.000 abstract description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 abstract description 2
- 238000002791 soaking Methods 0.000 abstract 3
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 abstract 1
- 235000011116 calcium hydroxide Nutrition 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 229940079827 sodium hydrogen sulfite Drugs 0.000 abstract 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 abstract 1
- 239000006260 foam Substances 0.000 description 8
- 239000011381 foam concrete Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 241001465754 Metazoa Species 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 4
- 238000005187 foaming Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000004035 construction material Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000035984 keratolysis Effects 0.000 description 1
- 239000004620 low density foam Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/12—Nitrogen containing compounds organic derivatives of hydrazine
- C04B24/14—Peptides; Proteins; Derivatives thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses a method for preparing a cement foaming agent from waste wool keratin. The method includes the steps that firstly, the waste wool keratin is added to a washing tank filled with washing liquid for soaking and washing, and the waste wool keratin is aired after being washed; the aired waste wool keratin is cut into pieces and put in a container, water and sodium hydrogen sulfite are sequentially added for soaking, a mixed solution obtained after soaking is subjected to water bath heating, then Ca(OH)2 is added for hydrolysis, filtering is conducted after hydrolysis, the pH value of a solution obtained after filtering is adjusted, and a foaming agent mother solution is obtained; finally, a waste wool keratin cement foaming agent working solution is prepared from the foaming agent mother solution, alpha-alkenyl sodium sulfonate, gelatin, polyvinyl alcohol, sodium carboxymethylcellulose, sodium benzoate, sodium dehydroacetate and water. The prepared cement foaming agent is nothing less than a green product, no pollution is caused to the environment in the production process, and remarkable economic value and social benefits are achieved.
Description
Technical field
The present invention relates to chemical industry, building material technical field, be specifically related to a kind of method utilizing waste wool keratin to prepare cement blowing agent, the preparation method that namely a kind of environment-friendly type animal proteinum cement blowing agent is provided.
Background technology
In recent years, foam concrete, because it has good thermal and insulating performance, desirable engineering strength, controlled waterproof ability and lighter weight, obtains increasingly be widely applied in construction material, construction of environmental protection field.Want to prepare high-quality, to meet various different requirement foam concrete and be unable to do without high-quality cement blowing agent.At present, domestic cement blowing agent market is also immature, and the technological element of a product is relatively low, under research and development ability is relatively low.Plant type foaming agent, synthesis class foaming agent and animal proteinum type foaming agent have use, and most products is also in low side, and the feature of environmental protection and safety in utilization there is also certain hidden danger simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is: provides a kind of and is available for the novel high-efficiency environment friendly type cement blowing agent that civil engineering work field uses, namely provides a kind of method (preparation method of a kind of environment-friendly type animal proteinum cement blowing agent) utilizing waste wool keratin to prepare cement blowing agent.Cement blowing agent prepared by the present invention can be used for preparing the low-density meeting construction reference and ultra-low-density foam concrete, and prepare all raw materials used and preparation process all without producing environmental pollution, it is absent from potentiality potential safety hazard, and farthest achieves refuse reclamation.Therefore, the present invention has significant Social benefit and economic benefit.
In order to solve the problems referred to above, the technical scheme that the present invention takes is:
The present invention provides a kind of method utilizing waste wool keratin to prepare cement blowing agent, and described preparation method comprises the following steps:
The keratic pretreatment of a, waste wool (main purpose of waste wool pretreatment is: remove impurities of wool and lanoline):
First in sink, water is added as cleaning mixture, it is subsequently adding cetyl benzenesulfonic acid sodium, the mass percentage concentration being adjusted to cetyl benzenesulfonic acid sodium is 1～3%, obtain cetyl benzenesulfonic acid sodium water solution, being subsequently added into sodium carbonate to stir, the addition of sodium carbonate accounts for the 0.2～0.4% of cetyl benzenesulfonic acid sodium water solution weight；Waste wool keratin and Pilus Caprae seu Ovis (cleaning mixture just submergence waste wool keratin is advisable) is added after stirring evenly, cleaning mixture submergence waste wool keratin, then temperature be 40～55 DEG C, Pilus Caprae seu Ovis washs 60～120 minutes when being 15～60 revs/min by rotating speed continuously；After washing terminates, then wash 2～3 times with clear water, after washing, water in Pilus Caprae seu Ovis is drained and Pilus Caprae seu Ovis is dried；
B, wool keratin hydrolyzed solution (i.e. foaming agent mother solution) preparation:
Being shredded by wool keratin pretreated for step a, weigh wool keratin and load in container after shredding, the mass ratio being firstly added water, described wool keratin and both water addition is 1:15～30；Being subsequently adding sodium sulfite, the mass ratio that described sodium sulfite adds with both wool keratins is 1:10～25, continues to soak 12～20h；Then gained mixed solution after immersion is placed 1～3h in the water-bath of 50～60 DEG C, then bath temperature is risen to 90～100 DEG C, add Ca (OH)2, described Ca (OH)2Therebetween the mass ratio added with wool keratin is 20～25:50, continued hydrolysis 5～8h under this temperature conditions, gained hydrating solution is filtered, after filtration, the pH value of gained solution is regulated to 7～8, obtain wool keratin hydrolyzed solution and foaming agent mother solution；
C, cement blowing agent preparation:
Represent with weight/mass percentage composition, the preparation of described waste wool keratin cement blowing agent consists of: foaming agent mother solution 25～30%, α sodium olefin sulfonate 1.0～2.5%, gelatin 0.05～0.15%, polyvinyl alcohol 0.01～0.05%, sodium carboxymethyl cellulose 0.03～0.05%, sodium benzoate 0.1～0.4%, sodium dehydroacetate 0.1～0.3%, and surplus is water；
D, cement blowing agent preparation:
The proportioning composition being first according to cement blowing agent described in step c weighs various raw material, the foaming agent mother solution weighed is added in container, then it is sequentially added into α sodium olefin sulfonate, gelatin, polyvinyl alcohol, sodium carboxymethyl cellulose, sodium benzoate and sodium dehydroacetate, is subsequently adding the water weighed and is diluted；Adopt magnetic stirring apparatus under the speed of 300～600 turns/min continuously stirred 8～12 hours after dilution, prepare waste wool keratin cement blowing agent working solution.
According to the above-mentioned method utilizing waste wool keratin to prepare cement blowing agent, waste wool keratin described in step a comes from the processing waste wool of wool textile industry or the waste wool of leather production industry.
Mass ratio according to the above-mentioned method utilizing waste wool keratin to prepare cement blowing agent, wool keratin described in step b and both water addition is 1:20.
According to the above-mentioned method utilizing waste wool keratin to prepare cement blowing agent, described in step b, bath temperature is risen to 100 DEG C.
The waste wool keratin adopted in the present invention, is mainly derived from the processing waste material in leather processing factory and wool spinning and rejectable waste；The sodium carbonate adopted is the powder that a kind of white is tasteless, and it can control the pH value of system, lanoline can be carried out saponification simultaneously；The sodium sulfite adopted is a kind of white crystalline powder, and it is to the disulfide bond that the Main Function of wool keratin is in opening angle albumen, so that keratolysis strengthens；The calcium hydroxide adopted is a kind of white powder, has moderate oxidisability, and wool keratin can be hydrolyzed by gradually, and its Oxidation is moderate, and the keratin solution molecular weight of generation will not be too little；The α sodium olefin sulfonate adopted is a kind of white solid, is a kind of surfactant, is a kind of Foaming agents preferably；The polyvinyl alcohol adopted is the organic compound of a kind of white plates, is a kind of high molecular weight water soluble polymer, it is possible to play the effect of steady bubble；The sodium carboxymethyl cellulose adopted is a kind of thickening agent, is also a kind of foam stabilizer；The hydrolyzate that gelatin is keratin albumen adopted, has foaminess, primarily serves the effect of steady bubble in foaming agent；The sodium benzoate adopted is a kind of conventional preventing microorganism reagent and preservative, plays the effect suppressing antibacterial in foaming agent；The sodium dehydroacetate adopted is a kind of white crystalline powder, is a kind of broad spectrum activity antibacterial, mycete mainly has stronger inhibition effect.
The process that cement blowing agent of the present invention prepares foam cement is adopted to be:
In the waste wool keratin cement blowing agent working solution use present invention prepared, section builds sincere ZK-FP-30 small-sized foam concrete foaming machine at rotating speed is bubble processed under 1500 turns；The design unit weight of foamed cement is 500kg/m3, according to foam volume (mL): water (g): the ratio mixing and stirring of cement (g)=1000:550:500, by mould molding, after maintenance in 30 days, test the performance of made foamed concrete.
The positive beneficial effect of the present invention:
1, the cement blowing agent range of application prepared by the present invention relates to the light-duty and microlight-type foamed concrete prepared used by civil engineering field, including pipe insulation and lightweight refracrory, lightweight engineered implant, energy-saving porous construction material, garden landscape building and lightweight engineered waterproof interlayer.
2, the present invention prepare cement blowing agent adopt keratin raw material sources extensive, mainly employ the waste material wool keratin in leather and wool textile industry, the method process discarded keratin to the pollution of environment and refuse reclamation in achieve the effect of doulbe-sides' victory, and the cement blowing agent prepared is entirely a kind of green product, and not to environment in production process, there is significant economic worth and social benefit.
3, compared with prior art, the present invention also has following useful technique effect:
1) present invention is with waste wool keratin for raw material, mainly include waste wool produced by process hides industry and
Waste wool produced by wool textile industry.These type of raw material sources are extensive, and can also reduce the pollution that environment is brought by waste wool keratin simultaneously, achieve twice laid to greatest extent.
2) preparing and do not add harmful organic chemical reagent in foaming agent of the present invention, raw material both is from natural polymers keratin, and prepared product has the feature of safety non-toxic, has good application security.
3) the animal proteinum class cement blowing agent that prepared by the present invention has good coefficient of foaming and foam stability.
4) the animal proteinum class cement blowing agent that prepared by the present invention can the excellent foamed concrete of processability in application produces.
Detailed description of the invention:
The present invention is expanded on further below in conjunction with embodiment, but is not limiting as present disclosure.
Embodiment 1:
The present invention utilizes the method that waste wool keratin prepares cement blowing agent, and the detailed step of this preparation method is as follows:
The keratic pretreatment of a, waste wool (main purpose of waste wool pretreatment is: remove impurities of wool and lanoline):
First in sink, water is added as cleaning mixture, it is subsequently adding cetyl benzenesulfonic acid sodium, the mass percentage concentration being adjusted to cetyl benzenesulfonic acid sodium is 1%, obtain cetyl benzenesulfonic acid sodium water solution, being subsequently added into sodium carbonate to stir, the addition of sodium carbonate accounts for the 0.2% of cetyl benzenesulfonic acid sodium water solution weight；Add waste wool keratin and Pilus Caprae seu Ovis (being advisable with cleaning mixture just submergence waste wool keratin) after stirring evenly, cleaning mixture submergence waste wool keratin, then temperature be 40 DEG C, Pilus Caprae seu Ovis washs 60 minutes when being 25 revs/min by rotating speed continuously；After washing terminates, then wash 3 times with clear water, after washing, water in Pilus Caprae seu Ovis is drained and Pilus Caprae seu Ovis is dried；
B, wool keratin hydrolyzed solution (i.e. foaming agent mother solution) preparation:
Wool keratin pretreated for step a is shredded, weighs wool keratin 50g after shredding and load in container, be firstly added water 1000mL；It is subsequently adding sodium sulfite 2g, continues to soak 16h；Then gained mixed solution after immersion is placed 3h in the water-bath of 50 DEG C, then bath temperature is risen to 100 DEG C, add 23gCa (OH)2, continued hydrolysis 7h under this temperature conditions, gained hydrating solution is filtered, after filtration, the pH value of gained solution is regulated to 7.0, obtain wool keratin hydrolyzed solution and foaming agent mother solution；
C, cement blowing agent preparation:
To prepare cement blowing agent gross mass 1000g for benchmark, the preparation of described waste wool keratin cement blowing agent consists of: foaming agent mother solution 300g, α sodium olefin sulfonate 15g, gelatin 0.5g, polyvinyl alcohol 0.1g, sodium carboxymethyl cellulose 0.3g, sodium benzoate 1g, sodium dehydroacetate 1g, surplus is water；
D, cement blowing agent preparation:
The proportioning composition being first according to cement blowing agent described in step c weighs various raw material, the foaming agent mother solution weighed is added in container, then it is sequentially added into α sodium olefin sulfonate, gelatin, polyvinyl alcohol, sodium carboxymethyl cellulose, sodium benzoate and sodium dehydroacetate, is subsequently added into the water weighed and is diluted；Adopt magnetic stirring apparatus under the speed of 600 turns/min continuously stirred 8 hours after dilution, prepare waste wool keratin cement blowing agent working solution.
Embodiment 2:
The present invention utilizes the method that waste wool keratin prepares cement blowing agent, and the detailed step of this preparation method is as follows:
The keratic pretreatment of a, waste wool (main purpose of waste wool pretreatment is: remove impurities of wool and lanoline):
First in sink, water is added as cleaning mixture, it is subsequently adding cetyl benzenesulfonic acid sodium, the mass percentage concentration being adjusted to cetyl benzenesulfonic acid sodium is 1.5%, obtain cetyl benzenesulfonic acid sodium water solution, being subsequently added into sodium carbonate to stir, the addition of sodium carbonate accounts for the 0.3% of cetyl benzenesulfonic acid sodium water solution weight；Add waste wool keratin and Pilus Caprae seu Ovis (being advisable with cleaning mixture just submergence waste wool keratin) after stirring evenly, cleaning mixture submergence waste wool keratin, then temperature be 45 DEG C, Pilus Caprae seu Ovis washs 90 minutes when being 50 revs/min by rotating speed continuously；After washing terminates, then wash 3 times with clear water, after washing, water in Pilus Caprae seu Ovis is drained and Pilus Caprae seu Ovis is dried；
B, wool keratin hydrolyzed solution (i.e. foaming agent mother solution) preparation:
Wool keratin pretreated for step a is shredded, weighs wool keratin 50g after shredding and load in container, be firstly added water 1000mL；It is subsequently adding sodium sulfite 2.5g, continues to soak 12h；Then gained mixed solution after immersion is placed 2.5h in the water-bath of 55 DEG C, then bath temperature is risen to 100 DEG C, add 25gCa (OH)2, continued hydrolysis 6h under this temperature conditions, gained hydrating solution is filtered, after filtration, the pH value of gained solution is regulated to 7.5, obtain wool keratin hydrolyzed solution and foaming agent mother solution；
C, cement blowing agent preparation:
To prepare cement blowing agent gross mass 1000g for benchmark, the preparation of described waste wool keratin cement blowing agent consists of: foaming agent mother solution 280g, α sodium olefin sulfonate 20g, gelatin 1g, polyvinyl alcohol 0.2g, sodium carboxymethyl cellulose 0.4g, sodium benzoate 1.5g, sodium dehydroacetate 1.5g, surplus is water；
D, cement blowing agent preparation:
The proportioning composition being first according to cement blowing agent described in step c weighs various raw material, the foaming agent mother solution weighed is added in container, then it is sequentially added into α sodium olefin sulfonate, gelatin, polyvinyl alcohol, sodium carboxymethyl cellulose, sodium benzoate and sodium dehydroacetate, is subsequently added into the water weighed and is diluted；Adopt magnetic stirring apparatus under the speed of 500 turns/min continuously stirred 10 hours after dilution, prepare waste wool keratin cement blowing agent working solution.
Embodiment 3:
The present invention utilizes the method that waste wool keratin prepares cement blowing agent, and the detailed step of this preparation method is as follows:
The keratic pretreatment of a, waste wool (main purpose of waste wool pretreatment is: remove impurities of wool and lanoline):
First in sink, water is added as cleaning mixture, it is subsequently adding cetyl benzenesulfonic acid sodium, the mass percentage concentration being adjusted to cetyl benzenesulfonic acid sodium is 2%, obtain cetyl benzenesulfonic acid sodium water solution, being subsequently added into sodium carbonate to stir, the addition of sodium carbonate accounts for the 0.35% of cetyl benzenesulfonic acid sodium water solution weight；Add waste wool keratin and Pilus Caprae seu Ovis (being advisable with cleaning mixture just submergence waste wool keratin) after stirring evenly, cleaning mixture submergence waste wool keratin, then temperature be 50 DEG C, Pilus Caprae seu Ovis washs 120 minutes when being 40 revs/min by rotating speed continuously；After washing terminates, then wash 3 times with clear water, after washing, water in Pilus Caprae seu Ovis is drained and Pilus Caprae seu Ovis is dried；
B, wool keratin hydrolyzed solution (i.e. foaming agent mother solution) preparation:
Wool keratin pretreated for step a is shredded, weighs wool keratin 50g after shredding and load in container, be firstly added water 1000mL；It is subsequently adding sodium sulfite 5g, continues to soak 12h；Then gained mixed solution after immersion is placed 2h in the water-bath of 60 DEG C, then bath temperature is risen to 100 DEG C, add 20gCa (OH)2, continued hydrolysis 8h under this temperature conditions, gained hydrating solution is filtered, after filtration, the pH value of gained solution is regulated to 7.0, obtain wool keratin hydrolyzed solution and foaming agent mother solution；
C, cement blowing agent preparation:
To prepare cement blowing agent gross mass 1000g for benchmark, the preparation of described waste wool keratin cement blowing agent consists of: foaming agent mother solution 250g, α sodium olefin sulfonate 25g, gelatin 1.5g, polyvinyl alcohol 0.4g, sodium carboxymethyl cellulose 0.5g, sodium benzoate 2.5g, sodium dehydroacetate 2g, surplus is water；
D, cement blowing agent preparation:
The proportioning composition being first according to cement blowing agent described in step c weighs various raw material, the foaming agent mother solution weighed is added in container, then it is sequentially added into α sodium olefin sulfonate, gelatin, polyvinyl alcohol, sodium carboxymethyl cellulose, sodium benzoate and sodium dehydroacetate, is subsequently added into the water weighed and is diluted；Adopt magnetic stirring apparatus under the speed of 600 turns/min continuously stirred 10 hours after dilution, prepare waste wool keratin cement blowing agent working solution.
Embodiment 4:
The present invention utilizes the method that waste wool keratin prepares cement blowing agent, and the detailed step of this preparation method is as follows:
The keratic pretreatment of a, waste wool (main purpose of waste wool pretreatment is: remove impurities of wool and lanoline):
First in sink, water is added as cleaning mixture, it is subsequently adding cetyl benzenesulfonic acid sodium, the mass percentage concentration being adjusted to cetyl benzenesulfonic acid sodium is 3%, obtain cetyl benzenesulfonic acid sodium water solution, being subsequently added into sodium carbonate to stir, the addition of sodium carbonate accounts for the 0.4% of cetyl benzenesulfonic acid sodium water solution weight；Add waste wool keratin and Pilus Caprae seu Ovis (being advisable with cleaning mixture just submergence waste wool keratin) after stirring evenly, cleaning mixture submergence waste wool keratin, then temperature be 55 DEG C, Pilus Caprae seu Ovis washs 120 minutes when being 60 revs/min by rotating speed continuously；After washing terminates, then wash 3 times with clear water, after washing, water in Pilus Caprae seu Ovis is drained and Pilus Caprae seu Ovis is dried；
B, wool keratin hydrolyzed solution (i.e. foaming agent mother solution) preparation:
Wool keratin pretreated for step a is shredded, weighs wool keratin 50g after shredding and load in container, be firstly added water 1000mL；It is subsequently adding sodium sulfite 4.5g, continues to soak 15h；Then gained mixed solution after immersion is placed 3h in the water-bath of 60 DEG C, then bath temperature is risen to 100 DEG C, add 22gCa (OH)2, continued hydrolysis 6.5h under this temperature conditions, gained hydrating solution is filtered, after filtration, the pH value of gained solution is regulated to 8.0, obtain wool keratin hydrolyzed solution and foaming agent mother solution；
C, cement blowing agent preparation:
To prepare cement blowing agent gross mass 1000g for benchmark, the preparation of described waste wool keratin cement blowing agent consists of: foaming agent mother solution 250g, α sodium olefin sulfonate 22g, gelatin 1.2g, polyvinyl alcohol 0.5g, sodium carboxymethyl cellulose 0.35g, sodium benzoate 2.8g, sodium dehydroacetate 1.5g, surplus is water；
D, cement blowing agent preparation:
The proportioning composition being first according to cement blowing agent described in step c weighs various raw material, the foaming agent mother solution weighed is added in container, then it is sequentially added into α sodium olefin sulfonate, gelatin, polyvinyl alcohol, sodium carboxymethyl cellulose, sodium benzoate and sodium dehydroacetate, is subsequently added into the water weighed and is diluted；Adopt magnetic stirring apparatus under the speed of 600 turns/min continuously stirred 12 hours after dilution, prepare waste wool keratin cement blowing agent working solution.
The application in preparing foam cement of the cement blowing agent prepared by the embodiment of the present invention 1～4:
In being used respectively by waste wool keratin foaming agent working solution prepared by the embodiment of the present invention 1～4, section builds the small-sized foam concrete foaming machine of sincere ZK-FP-30 at rotating speed is 1500 revs/min of when system bubbles；The design unit weight of foamed cement is 500kg/m3, according to foam volume (mL): water (g): the ratio mixing and stirring of cement (g)=1000:550:500, by mould molding, after maintenance in 30 days, the performance of test foamed concrete.
Taking the cement blowing agent working solution of the embodiment of the present invention 1～4 preparation, the foam performance of test gained foam refers to table 1, and prepared concrete performance refers to table 2.
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Claims (4)
1. one kind utilizes the method that waste wool keratin prepares cement blowing agent, it is characterised in that described preparation method comprises the following steps:
The keratic pretreatment of a, waste wool:
First in sink, water is added as cleaning mixture, it is subsequently adding cetyl benzenesulfonic acid sodium, the mass percentage concentration being adjusted to cetyl benzenesulfonic acid sodium is 1～3%, obtain cetyl benzenesulfonic acid sodium water solution, being subsequently added into sodium carbonate to stir, the addition of sodium carbonate accounts for the 0.2～0.4% of cetyl benzenesulfonic acid sodium water solution weight；Waste wool keratin and Pilus Caprae seu Ovis, cleaning mixture submergence waste wool keratin is added after stirring evenly；Then temperature be 40～55 DEG C, Pilus Caprae seu Ovis washs 60～120 minutes when being 15～60 revs/min by rotating speed continuously；After washing terminates, then wash 2～3 times with clear water, after washing, water in Pilus Caprae seu Ovis is drained and Pilus Caprae seu Ovis is dried；
The preparation of b, wool keratin hydrolyzed solution and foaming agent mother solution:
Being shredded by wool keratin pretreated for step a, weigh wool keratin and load in container after shredding, the mass ratio being firstly added water, described wool keratin and both water addition is 1:15～30；Being subsequently adding sodium sulfite, the mass ratio that described sodium sulfite adds with both wool keratins is 1:10～25, continues to soak 12～20h；Then gained mixed solution after immersion is placed 1～3h in the water-bath of 50～60 DEG C, then bath temperature is risen to 90～100 DEG C, add Ca (OH)2, described Ca (OH)2Therebetween the mass ratio added with wool keratin is 20～25:50, continued hydrolysis 5～8h under this temperature conditions, gained hydrating solution is filtered, after filtration, the pH value of gained solution is regulated to 7～8, obtain wool keratin hydrolyzed solution and foaming agent mother solution；
C, cement blowing agent preparation:
Represent with weight/mass percentage composition, the preparation of described waste wool keratin cement blowing agent consists of: foaming agent mother solution 25～30%, α sodium olefin sulfonate 1.0～2.5%, gelatin 0.05～0.15%, polyvinyl alcohol 0.01～0.05%, sodium carboxymethyl cellulose 0.03～0.05%, sodium benzoate 0.1～0.4%, sodium dehydroacetate 0.1～0.3%, and surplus is water；
D, cement blowing agent preparation:
The proportioning composition being first according to cement blowing agent described in step c weighs various raw material, the foaming agent mother solution weighed is added in container, then it is sequentially added into α sodium olefin sulfonate, gelatin, polyvinyl alcohol, sodium carboxymethyl cellulose, sodium benzoate and sodium dehydroacetate, is subsequently adding the water weighed and is diluted；Adopt magnetic stirring apparatus under the speed of 300～600 turns/min continuously stirred 8～12 hours after dilution, prepare waste wool keratin cement blowing agent working solution.
2. the method utilizing waste wool keratin to prepare cement blowing agent according to claim 1, it is characterised in that: waste wool keratin described in step a comes from the processing waste wool of wool textile industry or the waste wool of leather production industry.
3. the method utilizing waste wool keratin to prepare cement blowing agent according to claim 1, it is characterised in that: the mass ratio of wool keratin described in step b and both water addition is 1:20.
4. the method utilizing waste wool keratin to prepare cement blowing agent according to claim 1, it is characterised in that: described in step b, bath temperature is risen to 100 DEG C.
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| CN108424035A (en) * | 2018-04-19 | 2018-08-21 | 中原工学院 | A kind of preparation method of polymer water cement foaming agent and its foamed concrete |
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| CN108840594A (en) * | 2018-07-25 | 2018-11-20 | 南京航空航天大学 | Compound high stability Foam lightweight soil foaming agent and preparation method thereof |
| CN108948133A (en) * | 2018-08-23 | 2018-12-07 | 中原工学院 | A method of oligopeptides aqueous solution is prepared based on waste wool fiber |
| CN109400039A (en) * | 2018-12-10 | 2019-03-01 | 中国五冶集团有限公司 | A kind of foam concrete road and bridge filling material |
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