CN107311562B - A kind of wheat stalk fermentation concrete segment and preparation method thereof - Google Patents
A kind of wheat stalk fermentation concrete segment and preparation method thereof Download PDFInfo
- Publication number
- CN107311562B CN107311562B CN201710496305.XA CN201710496305A CN107311562B CN 107311562 B CN107311562 B CN 107311562B CN 201710496305 A CN201710496305 A CN 201710496305A CN 107311562 B CN107311562 B CN 107311562B
- Authority
- CN
- China
- Prior art keywords
- concrete segment
- wheat stalk
- preparation
- stalk
- wheat
- 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.)
- Active
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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/205—Securing of slopes or inclines with modular blocks, e.g. pre-fabricated
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
The invention belongs to road building block and preparation method thereof technical fields, especially a kind of wheat stalk fermentation concrete segment and preparation method thereof, the present invention, which solves the presence of foam concrete block used in existing road slope protection works, persistently to provide nutrition for plant, and the problem of higher cost.Wheat stalk fermentation concrete segment of the present invention is made of hollow porous concrete segment skeleton and stalk fermentation module, groove is equipped in the centre of the hollow porous concrete segment skeleton, the stalk fermentation module is located in the groove of hollow porous concrete segment skeleton, and the preparation step for preparing the preparation through hollow porous concrete segment skeleton, the preparation of stalk fermentation module and wheat stalk fermentation concrete segment is made.The present invention for plant with that can provide persistent nutrition, and intensity is high, compared with the stalk resource and excellent water retention property of usury surplus.
Description
Technical field
The invention belongs to road building block and preparation method thereof technical fields, are fermented more particularly to a kind of using wheat stalk
Concrete segment of manufacture and preparation method thereof.
Background technique
The greening in traffic route periphery and city is an important process of Modern City Traffic construction, road slope shield
Slope engineering uses common concrete segment more, such as needs the greening realized on slope protection, it is necessary to reserve on slop protection material
The space of certain volume out places soil wherein and is used for plant growth.In view of traditional concrete segment does not have water storage
Water holding capacity, with less trophism, it is difficult to lasting nutriment condition is provided for road slope afforestation vegetation, traditional is mixed
Solidifying earth building blocks cannot be with soil and wherein growing plants is combined closely, and are easy to generate soil erosion, and then cause plant raw
It is long difficult.
China is stalk resource big producer, about 700,000,000 tons of annual output, wherein rice, wheat and corn stover proportion
Maximum, stalk resource are constantly in the situation of low consumption, high production, high pollution for a long time.Therefore, it is comprehensive how to improve stalk
Utilize an important development direction for being solution stalk comprehensive utilization.
Chinese patent literature CN 104987121B discloses a kind of auxotype foaming coagulation planting block and its preparation side
Method, which includes foaming coagulation skeleton and foamed solidification nutrition sludge module, in the foaming coagulation bone
Groove is equipped among frame, the foamed solidification nutrition sludge module is located in the groove of foaming coagulation skeleton, the hair in the invention
Integrally there is gap in bubble coagulation skeleton, the time is longer to will lead to soil erosion；Simultaneously with ten during the invention prepares building block
Sodium dialkyl sulfate is foaming agent, which has certain toxicity.
Summary of the invention
The purpose of the present invention is to provide a kind of wheat stalk fermentation concrete segments and preparation method thereof, and the present invention provides
Wheat stalk ferment concrete segment intensity with higher, can be realized the utilization of stalk resource, mentioned for the growth of plant
Nutrition is supplied；There are gaps for the building block unilateral side simultaneously, between hollow porous concrete segment skeletal internal and stalk fermentation module
There are certain gaps, have good water penetration and gas permeability, promote the growth of plant, and preparation cost is lower.
Term is explained:
The ratio of mud: refer to the weight ratio of the dosage of water and cement consumption in concrete.
Fine sand: referring generally to average grain diameter is 0.35~0.25mm.
To achieve the above object, the technical solution of the present invention is as follows:
A kind of preparation method of wheat stalk fermentation concrete segment, comprising the following steps:
1) preparation of hollow porous concrete segment skeleton:
The requirement of match ratio 1: 200~350kg/m of portland cement3, 1400~1800kg/m of rubble3, water-reducing agent 1~
1.5kg/m3, the ratio of mud 0.2~0.3, the partial size of medium stone is 10~15mm；
The requirement of match ratio 2: 200~350kg/m of portland cement3, 300~450kg/m of fine sand3, 1~1.5kg/ of water-reducing agent
m3, the ratio of mud 0.25~0.35；
Blender is respectively adopted in raw material in match ratio 1 and match ratio 2 and is stirred obtained concrete slurry, match ratio
Slurry made by 1 pours into hollow porous concrete segment skeleton die lower layer, and slurry made of match ratio 2 pours on mold
Layer demoulds and is placed in interior for 1~3 day, and natural curing 15~20 days；
2) preparation of stalk fermentation module:
1. wheat stalk is broken: the wheat stalk that natural drying is done removes remaining leaf, is dried to moisture content 3%
~5%；Wheat stalk after drying is broken into wheat stalk particle, wheat stalk particle and water are according to solid-liquid mass ratio 1: 10
~20 stir and evenly mix obtained wheat stalk particle mixture, spare；
2. screening composite microbial system:
Mandels culture solution of the preparation for screening, and by step 1. treated wheat stalk particle mixture according to
Mass fraction is added in Mandels culture solution for 1%~5%, and fresh Mandels culture solution is made, stand-by after sterilizing；
The Mandels culture solution ingredient are as follows: (NH4)2SO41.4~1.8g/L, MgSO4·7H20.3~0.6g/L of O,
KH2PO42.0~2.5g/L, peptone 2.5~3.5g/L, CaCO32.0~4.0g/L, FeSO4·7H25.0~6.0mg/ of O
L, MnSO41.6~2.0mg/L, ZnCl21.7~2.0mg/L, CoCl21.7~2.0mg/L, 12.0~13.0g/L of agar,
PH is 7.5~8.0, and solvent is water, and above-mentioned substance is Mandels culture solution after mixing；
3. being inoculated with microbial inoculum:
After the solidification of fresh Mandels culture solution, following bacterium source is accessed: dead leaf soil, cow dung, compost and naturally rotten small
Wheat Straw, the constant temperature incubation at 25~35 DEG C turn decomposed wheat stalk when obvious decompose occurs in wheat stalk after 1 week
It is connected in fresh Mandels culture solution, the constant temperature incubation at 25~35 DEG C, eliminates without decomposing or decomposing weaker strain, retain
The strong strain of capacity of decomposition, so the strain after 5~8 generations of switching is in cryo-conservation, as stand-by inoculation microbial inoculum；
4. the preparation of stalk fermentation module
According to following component；
The wheat stalk particle that mass fraction is 40%~60%；
The water that mass fraction is 5%~10%；
The soil that mass fraction is 30%~35%；
Above-mentioned component is mixed, is placed at 25~35 DEG C, 2min is stirred with 20~30 revs/min of revolving speed, in whipping process
It is 5%~10% inoculation microbial inoculum that fresh Mandels culture solution and percent by volume 2%~5% is added according to mass fraction,
The mixture that stirring is formed finally is poured into mold compression moulding, is placed at 25~35 DEG C, is demoulded after 3~5 days, stalk hair is made
Ferment module；
3) preparation of wheat stalk fermentation concrete segment:
Stalk fermentation module made from step 2) is put into hollow porous concrete segment skeleton made from step 1), week
Retention gap is enclosed, wheat stalk fermentation concrete segment is obtained.
Further, the partial size of the wheat stalk particle is 1mm~3mm.
Further, the gap between the stalk fermentation module and hollow porous concrete segment skeleton is 2~5mm.
Further, a kind of wheat stalk fermentation concrete segment prepared according to above-mentioned preparation method, including it is hollow more
Hole concrete segment skeleton and stalk fermentation module, the hollow porous concrete segment skeleton centre have groove, the straw
Stalk fermentation module in the groove of hollow porous concrete segment skeleton, send out by the hollow porous concrete segment skeleton and stalk
With the gap of 2~5mm between ferment module.
Compared with prior art, beneficial effects of the present invention:
(1) superfluous wheat straw resource is dexterously utilized in the present invention, can consume a large amount of stalk, microbial fermentation
Stalk is set to be broken down into small-molecule substance, no pollution to the environment.
(2) road slope slope protection works can be used for using wheat stalk prepared by the present invention fermentation concrete segment, together
When stalk fermentation module preferable nutrients condition can be provided, while there is good water storage water retention property, be conducive to plant
Root system is grown wherein.
(3) hollow porous concrete segment frame strength prepared in the present invention is higher, light weight, therefore manufactured wheat
Stalk fermentation concrete segment can be used among Practical Project.
(4) the hollow porous concrete segment skeleton prepared by the present invention and stalk fermentation module be there are certain gap,
It ensure that the breeding of building block producing initial stage microorganism is conducive to the fermentation in later period.Realize the association of its trophism and mechanical strength
It adjusts.
(5) present invention is using match ratio 1 and match ratio 2, and its object is to match ratios 1 in lower layer, and the match ratio 1 is in lower layer
Hui Shi skeleton lower layer forms hole, and pore size is moderate, and the hole pole that formula is formed on upper layer provided by match ratio 2
It is small, solve the problems, such as that integrally there is hole in documents leads to soil erosion.
Detailed description of the invention
Fig. 1 is the schematic perspective view of wheat stalk of the present invention fermentation concrete segment；
Fig. 2 is the cross-sectional view of A-A in Fig. 1；
In figure: the hollow porous concrete segment skeleton of 1-；2- stalk fermentation module.
Specific embodiment
In the embodiment of the present invention, the type of water-reducing agent used is there is no specifically limited, and commercially available all kinds water-reducing agent is all
It can be using in the present invention；Commercially available all kinds portland cement also can be applicable in the present invention.
Embodiment 1
As shown in Fig. 1~2, one of the present embodiment wheat stalk fermentation concrete segment is by hollow porous concrete
Building block skeleton and stalk fermentation module composition, the centre of hollow porous concrete segment skeleton 1 are equipped with groove, the stalk hair
Ferment module 2 is located in the groove of hollow porous concrete segment skeleton 1, and the hollow porous concrete segment skeleton 1 is long
390mm, wide 190mm, high 190mm；Groove long 320mm, wide 120mm among hollow porous concrete segment skeleton 1 are high
120mm；Stalk fermentation module 2 is 316mm long, wide 116mm, high 116mm.
The preparation method of above-mentioned wheat stalk fermentation concrete segment, comprising the following steps:
1) preparation of hollow porous concrete segment skeleton:
The requirement of match ratio 1: portland cement 200kg/m3, rubble 1400kg/m3, water-reducing agent 1kg/m3, the ratio of mud 0.2,
The partial size of medium stone is 10~15mm；
The requirement of match ratio 2: portland cement 200kg/m3, fine sand 300kg/m3, water-reducing agent 1kg/m3, the ratio of mud 0.25；
Blender is respectively adopted in raw material in match ratio 1 and match ratio 2 and is stirred obtained concrete slurry, match ratio
Slurry made by 1 pours into hollow porous concrete segment skeleton die lower layer, and slurry made of match ratio 2 pours on mold
Layer demoulds and is placed in interior for 1 day, and natural curing 15 days；
2) preparation of stalk fermentation module:
1. wheat stalk is broken: the wheat stalk that natural drying is done removes remaining leaf, is dried to moisture content 3%
~5%；Wheat stalk after drying is broken into wheat stalk particle, the partial size of particle is 1mm, and by wheat stalk particle with
Water stirs and evenly mixs obtained wheat stalk particle mixture according to solid-liquid mass ratio 1: 10, spare；
2. screening composite microbial system:
Mandels culture solution of the preparation for screening, then by step 1. treated wheat stalk particle mixture according to
Mass fraction is added in Mandels culture solution for 2%, and fresh Mandels culture solution is made, stand-by after sterilizing；
Above-mentioned Mandels culture solution ingredient are as follows: (NH4)2SO41.4g/L, MgSO4·7H2O 0.3g/L, KH2PO4
2.0g/L, peptone 2.5g/L, CaCO32.0g/L, FeSO4·7H2O 5.0mg/L, MnSO41.6mg/L, ZnCl2 1.7mg/
L, CoCl21.7mg/L, agar 12.0g/L, pH 7.5, solvent is water, and is Mandels training after above-mentioned substance is mixed
Nutrient solution；
3. being inoculated with microbial inoculum:
After the solidification of fresh Mandels culture solution, following bacterium source is accessed: dead leaf soil, cow dung, compost and naturally rotten small
Wheat Straw, the constant temperature incubation at 25~35 DEG C turn decomposed wheat stalk when obvious decompose occurs in wheat stalk after 1 week
It is connected in fresh Mandels culture solution, the constant temperature incubation at 25~35 DEG C, eliminates without decomposing or decomposing weaker strain, retain
The strong strain of capacity of decomposition, the strain after 5 generations of so transferring is in cryo-conservation, as stand-by inoculation microbial inoculum；
4. the preparation of stalk fermentation module
According to following component；
The wheat stalk particle that mass fraction is 45%；
The water that mass fraction is 9%；
The soil that mass fraction is 38%；
Above-mentioned component is mixed, is placed at 25~35 DEG C, 2min is stirred with 20 revs/min of revolving speed, in whipping process according to
Mass fraction is the 8% inoculation microbial inoculum that fresh Mandels culture solution and percent by volume 2% is added, and finally forms stirring
Mixture pours into mold compression moulding, is placed at 25~35 DEG C, demoulds after 3 days, and stalk fermentation module is made；
3) preparation of wheat stalk fermentation concrete segment:
Stalk fermentation module made from step 2) is put into hollow porous concrete segment skeleton made from step 1), week
It encloses and retains the gap 2mm, obtain wheat stalk fermentation concrete segment.
The wheat stalk fermentation concrete segment prepared according to above-mentioned preparation method, including hollow porous concrete segment
Skeleton and stalk fermentation module, the hollow porous concrete segment skeleton centre have groove, and the stalk fermentation module exists
In the groove of hollow porous concrete segment skeleton, have between the hollow porous concrete segment skeleton and stalk fermentation module
There is the gap of 2mm.
The hollow porous concrete segment matrix porosity rate 20% of the fermentation concrete segment of wheat stalk made of this example
~30%, the compression strength of pH value 7.2~7.7, wheat stalk fermentation concrete segment is 4.5~5.5Mpa, whole dry volume
Density is 250~300kg/m3。
Embodiment 2
Wheat stalk fermentation concrete segment in the present embodiment and the wheat stalk fermentation concrete segment in embodiment 1
Structure is identical.
Preparation process is as follows:
1) preparation of hollow porous concrete segment skeleton:
The requirement of match ratio 1: portland cement 220kg/m3, rubble 1600kg/m3, water-reducing agent 1.2kg/m3, the ratio of mud
0.25, the partial size of medium stone is 10~15mm；
The requirement of match ratio 2: portland cement 220kg/m3, fine sand 310kg/m3, water-reducing agent 1.2kg/m3, the ratio of mud 0.28；
Blender is respectively adopted in raw material in match ratio 1 and match ratio 2 and is stirred obtained concrete slurry, match ratio
Slurry made by 1 pours into hollow porous concrete segment skeleton die lower layer, and slurry made of match ratio 2 pours on mold
Layer demoulds and is placed in interior for 2 days, and natural curing 17 days；
2) preparation of stalk fermentation module:
1. wheat stalk is broken: the wheat stalk that natural drying is done removes remaining leaf, is dried to moisture content 3%
~5%；Wheat stalk after drying is broken into wheat stalk particle, the partial size of particle is 1mm, and wheat stalk particle is pressed with water
Obtained wheat stalk particle mixture is stirred and evenly mixed according to solid-liquid mass ratio 1: 15, it is spare；
2. screening composite microbial system:
Mandels culture solution of the preparation for screening, then by step 1. treated wheat stalk particle mixture according to
Mass fraction is added in Mandels culture solution for 3%, and fresh Mandels culture solution is made, stand-by after sterilizing；
The Mandels culture solution ingredient are as follows: (NH4)2SO41.5g/L, MgSO4·7H2O 0.4g/L, KH2PO4
2.1g/L, peptone 2.5g/L, CaCO32.1g/L, FeSO4·7H2O 5.0mg/L, MnSO41.7mg/L, ZnCl2 1.8mg/
L, CoCl21.8mg/L, agar 12.0g/L, pH 7.6, solvent are water, are Mandels culture solution after above-mentioned substance mixing；
3. being inoculated with microbial inoculum:
After the solidification of fresh Mandels culture solution, following bacterium source is accessed: dead leaf soil, cow dung, compost and naturally rotten small
Wheat Straw, the constant temperature incubation at 25~35 DEG C turn decomposed wheat stalk when obvious decompose occurs in wheat stalk after 1 week
It is connected in fresh Mandels culture solution, the constant temperature incubation at 25~35 DEG C, eliminates without decomposing or decomposing weaker strain, retain
The strong strain of capacity of decomposition, the strain after 6 generations of so transferring is in cryo-conservation, as stand-by inoculation microbial inoculum；
4. the preparation of stalk fermentation module
According to following component；
The wheat stalk particle that mass fraction is 53%；
The water that mass fraction is 5%；
The soil that mass fraction is 34%；
Above-mentioned component is mixed, is placed at 25~35 DEG C, 2min is stirred with 25 revs/min of revolving speed, in whipping process according to
Mass fraction is the 8% inoculation microbial inoculum that fresh Mandels culture solution and percent by volume 3% is added, and finally forms stirring
Mixture pours into mold compression moulding, is placed at 25~35 DEG C, demoulds after 4 days, and stalk fermentation module is made；
3) preparation of wheat stalk fermentation concrete segment:
Stalk fermentation module made from step 2) is put into hollow porous concrete segment skeleton made from step 1), week
The gap for retaining 2mm is enclosed, wheat stalk fermentation concrete segment is obtained.
The hollow porous concrete segment matrix porosity rate 23% of the fermentation concrete segment of wheat stalk made of this example
~29%, the compression strength of pH value 7.1~7.8, wheat stalk fermentation concrete segment is 4.7~5.8Mpa, whole dry volume
Density is 280~320kg/m3。
Embodiment 3
Wheat stalk fermentation concrete segment in the present embodiment and the wheat stalk fermentation concrete segment in embodiment 1
Structure is identical.
Preparation process is as follows:
1) preparation of hollow porous concrete segment skeleton:
The requirement of match ratio 1: portland cement 250kg/m3, rubble 1800kg/m3, water-reducing agent 1.5kg/m3, the ratio of mud 0.3,
The partial size of its medium stone is 10~15mm；
The requirement of match ratio 2: portland cement 270kg/m3, fine sand 320kg/m3, water-reducing agent 1.4kg/m3, the ratio of mud 0.3；
Blender is respectively adopted in raw material in match ratio 1 and match ratio 2 and is stirred obtained concrete slurry, match ratio
Slurry made by 1 pours into hollow porous concrete segment skeleton die lower layer, and slurry made of match ratio 2 pours on mold
Layer demoulds and is placed in interior for 3 days, and natural curing 20 days；
2) preparation of stalk fermentation module:
1. wheat stalk is broken: the wheat stalk that natural drying is done removes remaining leaf, is dried to moisture content 3%
~5%；Wheat stalk after drying is broken into wheat stalk particle, particle partial size be 1mm, wheat stalk particle and water according to
Solid-liquid mass ratio 1: 18 stirs and evenly mixs obtained wheat stalk particle mixture, spare；
2. screening composite microbial system:
Mandels culture solution of the preparation for screening, then by step 1. in treated that wheat stalk particle mixture is pressed
It is added in Mandels culture solution according to mass fraction for 5%, fresh Mandels culture solution is made, it is stand-by after sterilizing；
The Mandels culture solution ingredient are as follows: (NH4)2SO41.6g/L, MgSO4·7H2O 0.5g/L, KH2PO4
2.2g/L, peptone 2.6g/L, CaCO32.1g/L, FeSO4·7H2O 5.2mg/L, MnSO41.6mg/L, ZnCl2 1.7mg/
L, CoCl21.8mg/L, agar 12.0g/L, pH 7.5, solvent are water, are Mandels culture solution after above-mentioned substance mixing；
3. being inoculated with microbial inoculum:
After the solidification of fresh Mandels culture solution, following bacterium source is accessed: dead leaf soil, cow dung, compost and naturally rotten small
Wheat Straw, the constant temperature incubation at 25~35 DEG C turn decomposed wheat stalk when obvious decompose occurs in wheat stalk after 1 week
It is connected in fresh Mandels culture solution, the constant temperature incubation at 25~35 DEG C, eliminates without decomposing or decomposing weaker strain, retain
The strong strain of capacity of decomposition, the strain after 7 generations of so transferring is in cryo-conservation, as stand-by inoculation microbial inoculum；
4. the preparation of stalk fermentation module
According to following component；
The wheat stalk particle that mass fraction is 52%；
The water that mass fraction is 8%；
The soil that mass fraction is 34%；
Above-mentioned component is mixed, is placed at 25~35 DEG C, 2min is stirred with 30 revs/min of revolving speed, in whipping process according to
Mass fraction is the 6% inoculation microbial inoculum that fresh Mandels culture solution and percent by volume 2% is added, and finally forms stirring
Mixture pours into mold compression moulding, is placed at 25~35 DEG C, demoulds after 5 days, and stalk fermentation module is made；
3) preparation of wheat stalk fermentation concrete segment:
Stalk fermentation module made from step 2) is put into hollow porous concrete segment skeleton made from step 1), week
It encloses and retains the gap 2mm, obtain wheat stalk fermentation concrete segment.
The hollow porous concrete segment matrix porosity rate 25% of the fermentation concrete segment of wheat stalk made of this example
~30%, the compression strength of pH value 7.2~7.7, wheat stalk fermentation concrete segment is 4.9~6.0Mpa, whole dry volume
Density is 300~330kg/m3。
In above-described embodiment wheat stalk fermentation concrete segment preparation method can also be made other shapes or
Other sizes, the wheat stalk fermentation concrete segment prepared based in this way belong to protection model of the invention
It encloses.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
- The concrete segment preparation method 1. a kind of wheat stalk ferments, which comprises the following steps:1) preparation of hollow porous concrete segment skeleton:The requirement of match ratio 1: 200~350kg/m of portland cement3, 1400~1800kg/m of rubble3, 1~1.5kg/m of water-reducing agent3, The ratio of mud 0.2~0.3, the partial size of medium stone are 10~15mm；The requirement of match ratio 2: 200~350kg/m of portland cement3, 300~450kg/m of fine sand3, 1~1.5kg/m of water-reducing agent3, water Gray scale 0.25~0.35；Blender is respectively adopted in raw material in match ratio 1 and match ratio 2 and is stirred obtained concrete slurry, 1 institute of match ratio Manufactured slurry pours into hollow porous concrete segment skeleton die lower layer, and slurry made of match ratio 2 pours into mold upper layer, and 1 It demoulds within~3 days and is placed in interior, natural curing 15~20 days；2) preparation of stalk fermentation module:1. wheat stalk is broken: the wheat stalk that natural drying is done removes remaining leaf, be dried to moisture content 3%~ 5%；By the wheat stalk after drying be broken into wheat stalk particle, wheat stalk particle and water according to solid-liquid mass ratio 1: 10~ 20 stir and evenly mix obtained wheat stalk particle mixture, spare；2. screening composite microbial system:Mandels culture solution of the preparation for screening, and by step 1. treated wheat stalk particle mixture according to quality Score is added in Mandels culture solution for 1%~5%, and fresh Mandels culture solution is made, stand-by after sterilizing；The Mandels culture solution ingredient are as follows: (NH4)2SO41.4~1.8g/L, MgSO4·7H2O 0.3~0.6g/L, KH2PO4 2.0~2.5g/L, peptone 2.5~3.5g/L, CaCO32.0~4.0g/L, FeSO4·7H2O 5.0~6.0mg/L, MnSO4 1.6~2.0mg/L, ZnCl21.7~2.0mg/L, CoCl21.7~2.0mg/L, agar 12.0~13.0g/L, pH is 7.5~ 8.0, solvent is water, and above-mentioned substance is Mandels culture solution after mixing；3. being inoculated with microbial inoculum:After fresh Mandels culture solution solidification, following bacterium source: dead leaf soil, cow dung, compost and naturally rotten Wheat Straw is accessed Stalk, the constant temperature incubation at 25~35 DEG C, when there is obvious decompose in wheat stalk after 1 week, by the switching of decomposed wheat stalk in In fresh Mandels culture solution, the constant temperature incubation at 25~35 DEG C eliminates without decomposing or decomposing weaker strain, retains and decompose The strong strain of ability, so the strain after 5~8 generations of switching is in cryo-conservation, as stand-by inoculation microbial inoculum；4. the preparation of stalk fermentation moduleAccording to following component；The wheat stalk particle that mass fraction is 45%~60%；The water that mass fraction is 5%~10%；The soil that mass fraction is 30%~35%；Above-mentioned component is mixed, is placed at 25~35 DEG C, 2min is stirred with 20~30 revs/min of revolving speed, in whipping process according to Mass fraction is 5%~10% inoculation microbial inoculum that fresh Mandels culture solution and percent by volume 2%~5% is added, finally The mixture that stirring is formed is poured into mold compression moulding, is placed at 25~35 DEG C, is demoulded after 3~5 days, stalk fermentation mould is made Block；3) preparation of wheat stalk fermentation concrete segment:Stalk fermentation module made from step 2) is put into hollow porous concrete segment skeleton made from step 1), surrounding is protected Gap is stayed, wheat stalk fermentation concrete segment is obtained.
- The concrete segment preparation method 2. a kind of wheat stalk according to claim 1 ferments, which is characterized in that described small The partial size of Wheat Straw particle is 1mm~3mm.
- The concrete segment preparation method 3. a kind of wheat stalk according to claim 1 ferments, which is characterized in that the straw Gap between stalk fermentation module and hollow porous concrete segment skeleton is 2~5mm.
- 4. a kind of wheat stalk fermentation concrete segment preparation method preparation according to any one of claims 1 to 3 is small Wheat Straw fermentation concrete segment, including hollow porous concrete segment skeleton and stalk fermentation module, it is described hollow porous mixed There is groove among solidifying earth building blocks skeleton, the stalk fermentation module is in the groove of hollow porous concrete segment skeleton, institute State the gap between hollow porous concrete segment skeleton and stalk fermentation module with 2~5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710496305.XA CN107311562B (en) | 2017-06-26 | 2017-06-26 | A kind of wheat stalk fermentation concrete segment and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710496305.XA CN107311562B (en) | 2017-06-26 | 2017-06-26 | A kind of wheat stalk fermentation concrete segment and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107311562A CN107311562A (en) | 2017-11-03 |
| CN107311562B true CN107311562B (en) | 2019-10-08 |
Family
ID=60179475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710496305.XA Active CN107311562B (en) | 2017-06-26 | 2017-06-26 | A kind of wheat stalk fermentation concrete segment and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107311562B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108164210A (en) * | 2017-12-11 | 2018-06-15 | 常州西夏墅东方工具有限公司 | A kind of grass-planting brick and preparation method thereof |
| CN108751767A (en) * | 2018-04-27 | 2018-11-06 | 天津城建大学 | A kind of microorganism foaming agent prepared for foamed concrete |
| CN108640572A (en) * | 2018-04-27 | 2018-10-12 | 天津城建大学 | A method of preparing foam concrete using microorganism foaming agent |
| CN112706255A (en) * | 2020-12-29 | 2021-04-27 | 兰州理工大学 | Plant fiber cement-based micro-expansion ribbed composite wall building block and manufacturing method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100504231B1 (en) * | 2005-01-14 | 2005-08-10 | 합자회사 건축사사무소태백 | A slope protection equipment for construction |
| CN102010155A (en) * | 2010-01-19 | 2011-04-13 | 孙学军 | High-strength plant growing type porous concrete and preparation method thereof |
| CN102676426A (en) * | 2012-05-09 | 2012-09-19 | 湖北省农业科学院农产品加工与核农技术研究所 | Compound bacterium agent capable of decomposing cotton stalks quickly and preparation method thereof |
| CN104987121B (en) * | 2015-08-05 | 2017-04-19 | 北京煜环天地工程项目管理咨询有限公司 | Nutritional foaming and coagulating grass planting building block and preparation method therefor |
-
2017
- 2017-06-26 CN CN201710496305.XA patent/CN107311562B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107311562A (en) | 2017-11-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107311562B (en) | A kind of wheat stalk fermentation concrete segment and preparation method thereof | |
| CN104119166B (en) | The production method of kaolin compression Nutrition Soil | |
| CN107816048B (en) | A kind of substrate bricks of counterfort virescence and preparation method thereof | |
| CN104119172B (en) | The production method of Kaolin Tailings compression Nutrition Soil | |
| CN107935625B (en) | Low-alkalinity vegetation form porous concrete | |
| CN104119175B (en) | The production method of volcanic ash compression Nutrition Soil | |
| CN102060604A (en) | Suitable material special for plant-growing type porous concrete and filling method | |
| CN103804074A (en) | Garden soil prepared from construction waste recycled products and agricultural wastes | |
| CN104119177A (en) | Method for producing shale compressed nutrient soil | |
| CN104609911A (en) | Eucalyptus special organic fertilizer production method | |
| CN104119171B (en) | The production method of graphite tailing compression Nutrition Soil | |
| CN104119165A (en) | Production method of pyrophyllite tailing compressed nutrient soil | |
| CN104119189A (en) | Production method for compressed attapulgite clay tailing nutrient soil | |
| CN112167005A (en) | Preparation method of artificial soil particles based on sludge | |
| CN104130073A (en) | Production method of phosphogypsum compressed nutrient soil | |
| CN104119163A (en) | Production method for compressed attapulgite sludge nutrient soil | |
| CN103725288A (en) | Reagent for consolidating soil by utilizing carbonic anhydrase microbes and using method thereof | |
| CN104119180B (en) | The production method of illite compression Nutrition Soil | |
| CN117716829A (en) | Method for changing stony desertification land into black land by using solid waste coal gangue phosphogypsum | |
| CN105198568A (en) | Method of synthesizing artificial soil on basis of algal mud | |
| CN104109037A (en) | Production method of basalt tailing compressed nutrition soil | |
| CN104119187A (en) | Production method of sepiolite tailing compressed nutrient soil | |
| CN104119157B (en) | The production method of wollastonite mine tailing compression Nutrition Soil | |
| CN104119195A (en) | Production method of pumice compressed nutrient soil | |
| CN104109034B (en) | The production method of magnesite tailings compression Nutrition Soil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |