CN108751767A - A kind of microorganism foaming agent prepared for foamed concrete - Google Patents
A kind of microorganism foaming agent prepared for foamed concrete Download PDFInfo
- Publication number
- CN108751767A CN108751767A CN201810394370.6A CN201810394370A CN108751767A CN 108751767 A CN108751767 A CN 108751767A CN 201810394370 A CN201810394370 A CN 201810394370A CN 108751767 A CN108751767 A CN 108751767A
- Authority
- CN
- China
- Prior art keywords
- foaming agent
- liquid
- microorganism
- barms
- foamed concrete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- C04B40/0046—Premixtures of ingredients characterised by their processing, e.g. sequence of mixing the ingredients when preparing the premixtures
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/14—Fungi; Culture media therefor
- C12N1/16—Yeasts; Culture media therefor
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/42—Pore formers
Abstract
The invention discloses a kind of microorganism foaming agent prepared for foamed concrete, the mass percentage composition of microorganism foaming agent is：Glucose：10%-15%；Peptone：10%-20%；Bacterium soaks powder：5%-10%；Thin strain liquid：5%-10%；Foam stabilizer：0.2%-1%；The thin strain liquid is barms liquid, is prepared by the following：Yeast strain after activation is inoculated in basal medium, barms liquid is made in shaken cultivation in 35 DEG C, the constant incubator of 170r/min after 24 hours；Microorganism foaming agent of the present invention is nontoxic, and gas production is big and stablizes, and every gram of foaming agent can generate the CO of 200cc or more2Gas, the required raw material sources of preparation are extensive, simple and easy to get, cheap.
Description
Technical field
The present invention relates to a kind of foaming agents prepared for foamed concrete, more particularly to a kind of to be used for foamed concrete system
Standby microorganism foaming agent.
Background technology
With the popularization and application of China's building energy conservation, foam concrete is good with its lightweight, insulation, fire prevention, shock resistance
Equal excellent performances become novel environment friendly structural material.In the preparation of foam concrete, the performance of foaming agent is to foam concrete
Performance influence it is very big, directly affect the mobility and stability of cement-based material.
Foaming agent for foam concrete is there are many kinds of class, such as：Rosin tree lipid foaming agent, protein-based foaming agent,
Synthesize class foaming agent, complex class foaming agent.Rosin tree lipid foaming agent foam stability and coefficient of foaming are poor, and rosin heat
Polymers foaming agent also contains toxic phenol etc., is adversely affected to environment.Synthesize foaming agent such as anion surfactant
Equally exist the problem that foaming capacity is low, foam stability is poor.Using animal keratoprotein as the protein-based foaming agent of raw material
Be widely recognized as both at home and abroad, but the keratoprotein resource as foaming agent is limited, and this kind of foaming agent production cycle it is long, at
This height, environmental pollution are big, and exploitation receives restriction with application.Complex class foaming agent because its foaming capacity and foam stability compared with
Well and gradually instead of other types foaming agent, but lack economy.
Invention content
In face of above-mentioned variety of problems, the present inventor is by largely orienting the foaming research to microorganism, by the data of gained
It is depicted as curve, it was found that the gas happening law of saccharomycete obtains the microorganism foaming agent that a kind of gas production is big and stablizes finally.
The object of the present invention is to provide a kind of microorganism foaming agents prepared for foamed concrete.
The mass percentage composition of microorganism foaming agent of the present invention is：Glucose：10%-15%；Peptone：10%-
20%；Bacterium soaks powder：5%-10%；Thin strain liquid：5%-10%；Foam stabilizer：0.2%-1%.
The bacterium leaching powder is yeast extract；
The foam stabilizer is the mixture of one or more of gelatin, Arabic gum, xanthans or cellulose etc.；
The thin strain liquid is barms liquid, is prepared by the following：
Yeast strain after activation is inoculated in basal medium, is shaken in 35 DEG C, the constant incubator of 170r/min
Barms liquid is made after swinging culture 24 hours.
Microorganism foaming agent of the present invention can obtain by the following method, including step：
1) glucose, peptone, yeast extract are put into conical flask and prepare culture medium solution；
2) conical flask is sealed with gauze, is put into autoclave and sterilizes 25 minutes；After sterilizing, taking-up is positioned over sterile
Operation console is sterilized 30 minutes, is cooled to room temperature；
3) barms liquid is seeded in culture medium solution with liquid-transfering gun, the solution after inoculation is put into 35 DEG C of insulating boxs
Middle shaken cultivation 48 hours；The rotating speed after foam stabilizer with 3000r/min is added thereto to stir 30m minutes, obtains microorganism foaming
Agent.
The advantages and features of the present invention：
1. compared with prior art, the outstanding feature of microorganism foaming agent of the present invention is to produce using common saccharomycete
Angry body, it is nontoxic, there is no chemical blowing process foam is unstable and environmental pollution problem；
2. the gas production of microorganism foaming agent is big and stablizes, every gram of foaming agent can generate the CO of 200cc or more2Gas
Body.
3.. prepare that microorganism foaming agent of the present invention energy consumption is low, and raw material sources are extensive, simple and easy to get, cheap.
Mechanism of the present invention is：
Substrate hydrolysis is generated gas by saccharomycete by its respiration.
It is aerobic：C6H12O6+O2→ other substances+6CO2；Anaerobic：C6H12O6→C2H5Other substances of OH++3CO2。
Specific implementation mode
For a better understanding of the present invention.It is described further with reference to embodiment, but does not limit the present invention.
Yeast strain：It purchases from China General Microbiological culture presevation administrative center
Yeast extract：It purchases from extensive and profound in meaning star Bioisystech Co., Ltd
Gelatin：Particle is purchased from the Tianjin chemical inc Bo Di
Embodiment 1
Prepare barms liquid：
Yeast strain after activation is inoculated in the 250mL conical flasks of the basal medium containing 100mL, at 35 DEG C, 170r/
Shaken cultivation obtains barms liquid in the constant incubator of min after 24 hours.
Prepare microorganism foaming agent：
Take 10g glucose, 10g peptones, 5g yeast extracts, 10g barms liquid, 0.2g gelatin.By glucose, albumen
Peptone, yeast extract are placed in conical flask, are configured to 100 milliliters of culture medium solutions；Then taper bottle closure is put into and is gone out with gauze
It sterilizes 25 minutes in bacterium pot；It is taken out after sterilizing and is positioned over aseptic operating platform, sterilized 30 minutes, be cooled to room temperature；Use liquid relief
Solution after inoculation inoculation yeast strain liquid and is put into shaken cultivation 48 hours in 35 DEG C of insulating boxs by rifle in culture medium solution；
Gelatin is added thereto later, and is stirred 30m minutes with the rotating speed of 3000r/min, obtains microorganism foaming agent.Gained microorganism sends out
The gas production of infusion is up to 295mL.
Embodiment 2
10g glucose, 15g peptones, 10g yeast extracts, 5g barms liquid, 0.4g gelatin are taken, is grasped by embodiment 1
Make, obtains microorganism foaming agent.
Embodiment 3
15g glucose, 15g peptones, 5g yeast extracts, 15g barms liquid, 1g gelatin are taken, is operated by embodiment 1,
Obtain microorganism foaming agent.
Claims (2)
1. a kind of microorganism foaming agent prepared for foamed concrete, it is characterised in that its mass percentage composition is：Grape
Sugar：10%-15%；Peptone：10%-20%；Bacterium soaks powder：5%-10%；Thin strain liquid：5%-10%；Foam stabilizer：
0.2%-1%.
The bacterium leaching powder is yeast extract；
The foam stabilizer is the mixture of one or more of gelatin, Arabic gum, xanthans or cellulose etc.；
The thin strain liquid is barms liquid, is prepared by the following：
Yeast strain after activation is inoculated in basal medium, the oscillation training in 35 DEG C, the constant incubator of 170r/min
Barms liquid is made after supporting 24 hours.
2. a kind of preparation method of microorganism foaming agent prepared for foamed concrete as described in claim 1, feature
It is to include step：
1) glucose, peptone, yeast extract are put into conical flask and prepare culture medium solution；
2) conical flask is sealed with gauze, is put into autoclave and sterilizes 25 minutes；After sterilizing, taking-up is positioned over sterile working
Platform is sterilized 30 minutes, is cooled to room temperature；
3) barms liquid is seeded in culture medium solution with liquid-transfering gun, the solution after inoculation is put into 35 DEG C of insulating boxs and is shaken
Swing culture 48 hours；The rotating speed after foam stabilizer with 3000r/min is added thereto to stir 30m minutes, obtains microorganism foaming agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810394370.6A CN108751767A (en) | 2018-04-27 | 2018-04-27 | A kind of microorganism foaming agent prepared for foamed concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810394370.6A CN108751767A (en) | 2018-04-27 | 2018-04-27 | A kind of microorganism foaming agent prepared for foamed concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108751767A true CN108751767A (en) | 2018-11-06 |
Family
ID=64012420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810394370.6A Pending CN108751767A (en) | 2018-04-27 | 2018-04-27 | A kind of microorganism foaming agent prepared for foamed concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108751767A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109574533A (en) * | 2018-12-20 | 2019-04-05 | 贵州安凯达实业股份有限公司 | A kind of environmentally friendly foaming agent and preparation method thereof |
| CN109704624A (en) * | 2018-11-27 | 2019-05-03 | 天津城建大学 | A kind of microorganism foaming agent and preparation method for foamed concrete preparation |
| CN112979339A (en) * | 2021-02-08 | 2021-06-18 | 天津城建大学 | Microbial foaming raw soil composition and preparation method of building material based on same |
Citations (4)
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|---|---|---|---|---|
| RU2205162C2 (en) * | 2001-11-23 | 2003-05-27 | Винаров Александр Юрьевич | Cellular concrete production method using protein foaming agent |
| CN101591155A (en) * | 2009-06-18 | 2009-12-02 | 西南科技大学 | Yeast protein concrete foaming agent and preparation method thereof |
| CN107311562A (en) * | 2017-06-26 | 2017-11-03 | 河南理工大学 | A kind of wheat stalk fermentation concrete segment and preparation method thereof |
| CN107673696A (en) * | 2017-10-26 | 2018-02-09 | 陈宗熙 | A kind of foam concrete self-insulating wall material and preparation method thereof |
-
2018
- 2018-04-27 CN CN201810394370.6A patent/CN108751767A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2205162C2 (en) * | 2001-11-23 | 2003-05-27 | Винаров Александр Юрьевич | Cellular concrete production method using protein foaming agent |
| CN101591155A (en) * | 2009-06-18 | 2009-12-02 | 西南科技大学 | Yeast protein concrete foaming agent and preparation method thereof |
| CN107311562A (en) * | 2017-06-26 | 2017-11-03 | 河南理工大学 | A kind of wheat stalk fermentation concrete segment and preparation method thereof |
| CN107673696A (en) * | 2017-10-26 | 2018-02-09 | 陈宗熙 | A kind of foam concrete self-insulating wall material and preparation method thereof |
Non-Patent Citations (2)
| Title |
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| 刘佳奇等: ""一种新型蛋白质混凝土发泡剂的研制及性能研究"", 《现代化工》 * |
| 王程等: ""改性酵母蛋白制备混凝土发泡剂及其处理条件优化"", 《化工进展》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109704624A (en) * | 2018-11-27 | 2019-05-03 | 天津城建大学 | A kind of microorganism foaming agent and preparation method for foamed concrete preparation |
| CN109574533A (en) * | 2018-12-20 | 2019-04-05 | 贵州安凯达实业股份有限公司 | A kind of environmentally friendly foaming agent and preparation method thereof |
| CN112979339A (en) * | 2021-02-08 | 2021-06-18 | 天津城建大学 | Microbial foaming raw soil composition and preparation method of building material based on same |
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Application publication date: 20181106 |