CN106518012B - A kind of heat insulation building block - Google Patents
A kind of heat insulation building block Download PDFInfo
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- CN106518012B CN106518012B CN201610999140.3A CN201610999140A CN106518012B CN 106518012 B CN106518012 B CN 106518012B CN 201610999140 A CN201610999140 A CN 201610999140A CN 106518012 B CN106518012 B CN 106518012B
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- C04B33/00—Clay-wares
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- C04B33/00—Clay-wares
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- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
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- C04B33/132—Waste materials; Refuse; Residues
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- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/36—Glass starting materials for making ceramics, e.g. silica glass
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/442—Carbonates
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
Abstract
The invention discloses a kind of heat insulation building block, the heat insulation building block includes following raw material: the Yellow River clay 45-52 mass parts, Nishan stone 37-41 mass parts, polyphenylene sulfide powder 1.5-3.8 mass parts, glass microballoon 2.1-2.3 mass parts, three 1.0-1.3 mass parts of mixture, one 30-45 mass parts of mixed solution, the additive one for accounting for one mass 2-3wt% of mixed solution and the additive two for accounting for one mass 0.025-0.035wt% of mixed solution；In the mixed solution one, including acrylic acid, polyvinyl alcohol, modified wheat stalk and water.The beneficial effects of the present invention are: raw material are the Yellow River clay, wheat stalk, turn waste into wealth, comprehensive utilization of resources, the wall of masonry is not required to do exterior-wall heat insulation again, and product water absorption rate is low compared with the brick building body of conventional hollow, light-weight, intensity is high, heat insulation effect is good, which does not generate secondary byproduct, the useless environmental protection of benefit；Early strength is high, greatly shortens the factory period of building block.
Description
Technical field
The present invention relates to field of material technology, in particular to a kind of heat insulation building block.
Background technique
Outer wall self heat-preserving insulation blocks advantage is constructed with theme, and project integral construction timeliness is high, and it is convenient to build, and is exempted from
The secondary cumbersome process for doing and keeping the temperature is removed, building cost is reduced, price is relatively low.Novel wall is sintered using riverslakes sludge
Material and using the materials such as flyash, slag, gangue produce composite block be fully utilized in China.Standard brick is used for
Load bearing wall, porous brick fill wall for frame structure.There are the problem of the Gongjian 50% of national regulation is not achieved for wall, residence is built
65% energy saving and heat preservation effect.It need to be kept the temperature in exterior wall, material of taking a lot of work, long in time limit, fire protecting performance is low, soundproof effect is poor, exterior wall is protected
That there is also service lifes is short for temperature, easy infiltration, falls off and other issues.
It is advantageous to antidetonation to be compared with brick mixed building from the building seismic force of heavy and light with regard to small, it is same to build, similarly
Under the conditions of shake, Earthquake hazard degree differs a Seismic Design and sets up defences rank, and if brick mixed building is set up defences up to 7 degree, it can be damaged, and
Air entrained concrete building is only set up defences up to 6 degree at this time, would not be destroyed.When HAICHENG EARTHQUAKE in 1975, more than 30 building celluar concretes are built
It is slight to build exhibition evil, and then earthquake is serious for neighbouring brick mixed building;When Tangshan Earthquake in 1976, five floor of Beijing Bai Jiazhuan
Air entrained concrete load-bearing building, self weight only 700kg/m2, at that time in earthquake intensity be 6 degree by force in the case where, do not occur after shake
New crack, and the house of four layers of mixed structure at 50m, lower part but generate big diagonal crack.Under the conditions of identical ground, from
The number of plies of the building of heavy and light can increase, economical advantages.
In addition China is large agricultural country, and the yield of annual agricultural crop straw is up to 8.42 hundred million tons, and also with 1.3% speed
Degree increases, and is the renewable resource of substantial amounts in nature, and have the advantages that from a wealth of sources, cheap.But this
Resource is simultaneously underutilized, and has 95% or more stalk resource to be converted to other forms by different utilization ways every year
It is dissipated, serious waste of resources.Crop in China stalk resource has a large capacity and a wide range, its purposes is broadly divided into 4 aspects at this stage:
As the raw material of industry, it is mainly used for commercial paper;As livestock feed;As fertilizer, fertile returning to the field is made;As fuel, rural area is raw
The energy living even so, still do not developed reasonably for a long time by resource, and most of to be all incinerated, this is the wave to natural resources
Take, while also creating serious environmental pollution with the concern and self-examination of countries in the world environmental pollution, stalk is answered
It is valued by people with benefit.
Therefore rationally using existing resource exploitation meet national energy-saving heat preservation standard from heavy and light, the high materials for wall of intensity
It is the direction researched and developed at present.
Summary of the invention
In order to meet the energy-saving heat preserving standard requirement that the national residence of Gongjian 50% builds 65%, existing resource, energy conservation drop are made full use of
Consumption, reduces the self weight of heat insulation building block, while solving building material intensity and huge lance that thermal coefficient cannot guarantee simultaneously
Shield, the embodiment of the invention provides a kind of heat insulation building blocks.Utilize a large amount of silt resources of China's rivers and lakes and wheat stalk
For raw material, comprehensive utilization of resources, production energy consumption is low, and heat insulation effect is good, and fire protection flame retarding is anti-aging, and durability is high, and the service life is long, performance
Stablize, light weight shock resistance is good, and the good product of safety and firmness, exterior wall is no longer kept the temperature, that is, can reach national Gongjian 50% and occupy
Build 65% energy-saving heat preserving standard.Because exterior wall is not required to do exterior-wall heat insulation again, construction cost is more every square metre compared with traditional way
Cost can reduce by 20% or more, and the duration can shift to an earlier date 30% or more, a technology support simultaneously country prohibit it is real, save land, environmental protection, fire prevention,
The multinomial fundamental state policy of comprehensive utilization of resources.
In order to achieve the above-mentioned object of the invention, the present invention provides a kind of heat insulation building block, the heat insulation building block include with
Lower raw material: the Yellow River clay 45-52 mass parts, Nishan stone 37-41 mass parts, polyphenylene sulfide powder 1.5-3.8 mass parts, glass microballoon
2.1-2.3 mass parts, one 30-45 mass parts of mixed solution, account for one mass 2- of mixed solution at three 1.0-1.3 mass parts of mixture
The additive one of 3wt% and the additive two for accounting for one mass 0.025-0.035wt% of mixed solution；In the mixed solution one,
Including acrylic acid, PVAC polyvinylalcohol, modified wheat stalk and water.
Include: polypropylene in the mixture three, 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate, receive
Rice calcium carbonate, wherein polypropylene: 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate: nanometer calcium carbonate mass ratio
For 100:0.6-1.1:0.08-0.12
The mixed solution one, wherein acrylic acid is that part neutralizes acrylic acid, and the degree of neutralization of acrylic acid is 60-70%.
In the mixed solution one, with unneutralized acrylic acid, acrylic acid: PVAC polyvinylalcohol: modified wheat stalk:
Water quality ratio is 20-30:4-5:6-8:60-70.
The Nishan stone is the Nishan stone for smashing it through 100 meshes.
The additive one is ammonium hydrogen carbonate；
The additive two includes potassium peroxydisulfate and N hydroxymethyl acrylamide, wherein potassium peroxydisulfate: N- methylol propylene
Amide mass ratio is 11.5-16.5:1.
The modified wheat stalk the preparation method comprises the following steps: wheat stalk is dried, crushed with pulverizer, took 120 meshes
Wheat stalk powder, be added relative to 15-20 times of wheat stalk powder quality of sodium hydroxide solution one, it is small to be standing and soaking 18-20
When, it filters, casts out filtrate, after remaining solid is washed with water to neutrality, dried at 50-60 DEG C, (the sodium hydroxide solution one
Concentration is 6-10wt%), pretreatment wheat stalk powder is obtained, N, N- relative to pretreatment wheat stalk powder 40-45 mass times is added
Dimethylene formamide DMF continues to stir and be added maleic anhydride MA, the maleic anhydride MA after stirring 30-40min: pre- place
Reason wheat stalk powder mass ratio is 0.75-0.8:1, then heats to 100-110 DEG C and is reacted, and reaction process is kept stirring,
After reaction 2-6 hours, product is cooled to room temperature, filtering removal filtrate takes remaining solid after filtering, after washing 3-4 times,
It is put at 60 DEG C of baking oven and dries, just obtain modified wheat stalk.
In order to which goal of the invention is better achieved, the present invention also provides a kind of preparation method of heat insulation building block, the self-insurance
The preparation method of warm building block the following steps are included:
(1) sodium hydroxide solution two for being 30wt% with mass concentration neutralizes acrylic acid to degree of neutralization 60-70%, after obtaining neutralization
Acrylic acid, it is spare;
By the polypropylene of the mass ratio, 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate, nano-calcium carbonate
Calcium passes through 36 double-screw extruding pelletizings after mixing, and 205~210 DEG C of processing temperature, 220~230r/min of screw speed is obtained
Mixture three, partial size≤0.8mm of the mixture three are spare；
Wheat stalk is dried, is crushed with pulverizer, the wheat stalk powder of 120 meshes was taken, is added relative to Wheat Straw
The sodium hydroxide solution one that 15-20 times of amount of stalk silty is standing and soaking 18-20 hours, is filtered, is cast out filtrate, remaining solid water
It after washing to neutrality, is dried at 50-60 DEG C, one mass concentration of sodium hydroxide solution is 6-10wt%, obtains pretreatment wheat
N, N- dimethylene formamide DMF relative to pretreatment wheat stalk powder 40-45 mass times is added in straw powder, stirs 30-
After 40min, continue to stir and be added maleic anhydride MA, the maleic anhydride MA: pretreatment wheat stalk powder mass ratio is 0.75-
0.8:1 then heats to 100-110 DEG C and is reacted, and reaction process is kept stirring, after reaction 2-6 hours, product is cold
But to room temperature, filtering removes the solid after filtrate, after being washed with water 3-4 times, is put at 60 DEG C of baking oven and dries, just changed
Property wheat stalk, it is spare；
The distilled water relative to 6-7 times of polyvinyl alcohol quality is added into PVAC polyvinylalcohol, is stirred and heated to 85- 90
After DEG C being completely dissolved PVAC polyvinylalcohol, stops heating, be cooled to 15 DEG C -25 DEG C, obtain PVAC polyvinylalcohol solution for standby；
(2) acrylic acid, PVAC polyvinylalcohol solution, modified wheat stalk and water after neutralizing are uniformly mixed to obtain mixing
Solution one;In mixed solution one, with unneutralized acrylic acid, acrylic acid: PVAC polyvinylalcohol: modified wheat stalk: water quality
Than for 20-30:4-5:6-8:60-70；In a mold by the Yellow River clay, Nishan stone, polyphenylene sulfide powder, glass microballoon, mixture
Three, abundant with the mixed solution one 45-52:37-41:1.5-3.8:2.1-2.3:1.0-1.3:30~45 by weight percentage
After mixing, slurry mix two is made；Nitrogen is poured into slurry mix two while being vigorously stirred displacement oxygen therein, with
Slurry mix two is warming up to 60-80 DEG C afterwards, additive amount is sequentially added after being sufficiently stirred into slurry mix two and accounts for mixing
The additive one of one mass 2-3wt% of solution, additive amount account for the additive two of one mass 0.025-0.035wt% of mixed solution,
Stop stirring after then proceeding to stirring 3-5 minutes, it is then interior in 10min to be warming up to 240-250 DEG C, it is permanent at 240-250 DEG C
After warm 15min, it is cooled to 60-80 DEG C, 8-10 hours curing moldings are kept the temperature at 60-80 DEG C, it is dry at 60 DEG C then to demould green body
Dry 24-30h;
(3) green body after drying is calcined, first stage calcination temperature is 360-380 DEG C, calcines 3-4h, then exists
1300 DEG C~1350 DEG C are warming up in 30min, second stage is calcined, 5~8min of calcination time；Then it is cooled in 30min
300-340 DEG C, phase III calcining, calcination time 3-5h;850-880 DEG C is finally warming up in 30min, calcining 24-30h is burnt
Knot finishes, 24-48 hours cooling, obtains heat insulation building block.
Additive one described in the preparation method of the heat insulation building block is ammonium hydrogen carbonate；
The additive two includes potassium peroxydisulfate and N hydroxymethyl acrylamide, wherein potassium peroxydisulfate: N- methylol propylene
Amide mass ratio is 11.5-16.5:1.
One additive amount of additive is the 2-3wt% for accounting for one mass of mixed solution, and two additive amount of additive is to account for mixing
The 0.025-0.035wt% of one mass of solution.
The beneficial effects of the present invention are: raw material are the Yellow River clay, wheat stalk, turn waste into wealth, comprehensive utilization of resources, section
Ground effect is obvious, and heat insulation effect can reach the residence of national regulation Gongjian 50% and build 65% or more power conservation requirement, and the wall of masonry is not required to again
Exterior-wall heat insulation is done, intensity dramatically increases compared with the brick building body of conventional hollow, and weight reduces by 50% or more, combined wall thermal resistance
Increase, significantly reduce energy consumption, self-heat conserving excellent effect, exterior wall does not need in addition to keep the temperature, and the duration can shift to an earlier date 1/3, with building
With the service life up to 70 years or more.Building block does not need to dry, and saves the time, can be dried using roasting waste heat, and relative to current
Other heat insulation building blocks being dried, the energy consumption of roasting are low.Insulation blocks thermal property obtained is excellent, product water absorption rate
It is low, it is lower than 7%, light-weight, intensity is high, and heat insulation effect is good.The insulation blocks do not generate secondary byproduct, the useless environmental protection of benefit.The self-insurance
Warm building block, early strength is high, can reach 7.1-7.4 megapascal through natural conditions maintenance 7d intensity, greatly shortens the factory of building block
Period.
Specific embodiment
For problem of the prior art, the present invention provides a kind of heat insulation building block, and raw material have the Yellow River clay, Wheat Straw
Stalk is turned waste into wealth, comprehensive utilization of resources, and taboo is real, the effect that saves land is obvious, and heat insulation effect can reach the residence of national regulation Gongjian 50% and build
65% or more power conservation requirement, the wall of masonry are not required to do exterior-wall heat insulation again, compared with the brick building body of conventional hollow, compression strength
Height, but the small light weight of density, shock resistance is good, and sound-insulating effect is fabulous, and product reaches national A1 grades of fire-protection standard, and builds
Object is built with the service life up to 70 years or more.
For Upper-middle Reaches of The Yellow River based on mountainous region, middle section flows through Chinese loess plateau, carries a large amount of silt flows secretly every year downstream, tool
Middle Yellow River business division data shows that every annual meeting generates 1,600,000,000 tons of silts, and most times are up to 3,900,000,000 tons.With sticking fine grained
Deposition is slower when partial size is less than 0.01mm, forms the Yellow River clay layer.Main component has；Hydrosilicate, aluminium oxide simultaneously contain stone
English, feldspar, mica and sulfate etc..The Yellow River clay has the characteristics that sticky big, plasticity is good, with Nishan stone, polyphenylene sulfide powder,
The other materials such as glass microballoon combine the comprehensive performance that product can be improved.Nishan stone: for Qufu City, Shandong Province Nishan stone.
The present invention provides a kind of heat insulation building block, which is characterized in that the heat insulation building block includes following raw material: the Yellow River glue
Mud 45-52 mass parts, Nishan stone 37-41 mass parts, polyphenylene sulfide powder 1.5-3.8 mass parts, glass microballoon 2.1-2.3 mass
Part, three 1.0-1.3 mass parts of mixture, one 30-45 mass parts of mixed solution, the addition for accounting for one mass 2-3wt% of mixed solution
Agent one and the additive two for accounting for one mass 0.025-0.035wt% of mixed solution；In the mixed solution one, including acrylic acid,
PVAC polyvinylalcohol, modified wheat stalk and water.
Include: polypropylene in the mixture three, 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate, receive
Rice calcium carbonate, wherein polypropylene: 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate: nanometer calcium carbonate mass ratio
For 100:0.6-1.1:0.08-0.12
The mixed solution one, wherein acrylic acid is that part neutralizes acrylic acid, and the degree of neutralization of acrylic acid is 60-70%.
In the mixed solution one, with unneutralized acrylic acid, acrylic acid: PVAC polyvinylalcohol: modified wheat stalk:
Water quality ratio is 20-30:4-5:6-8:60-70.
The Nishan stone is the Nishan stone for smashing it through 100 meshes.
The additive one is ammonium hydrogen carbonate；
The additive two includes potassium peroxydisulfate and N hydroxymethyl acrylamide, wherein potassium peroxydisulfate: N- methylol propylene
Amide mass ratio is 11.5-16.5:1.
The modified wheat stalk the preparation method comprises the following steps: wheat stalk is dried, crushed with pulverizer, took 120 meshes
Wheat stalk powder, be added relative to 15-20 times of wheat stalk powder quality of sodium hydroxide solution one, it is small to be standing and soaking 18-20
When, it filters, casts out filtrate, after remaining solid is washed with water to neutrality, dried at 50-60 DEG C, the sodium hydroxide solution one
Mass concentration is 6-10wt%, obtains pretreatment wheat stalk powder, is added relative to pretreatment wheat stalk powder 40-45 mass times
N, N- dimethylene formamide DMF continue to stir and be added maleic anhydride MA, the maleic anhydride MA after stirring 30-40min:
Pretreatment wheat stalk powder mass ratio is 0.75-0.8:1, then heats to 100-110 DEG C and is reacted, and reaction process is kept
Product is cooled to room temperature by stirring after reaction 2-6 hours, and filtering removal filtrate takes remaining solid after filtering, is washed with water
After 3-4 times, it is put at 60 DEG C of baking oven and dries, just obtain modified wheat stalk.
The preparation method of heat insulation building block the following steps are included:
(1) sodium hydroxide solution two for being 30wt% with mass concentration neutralizes acrylic acid to degree of neutralization 60-70%, after obtaining neutralization
Acrylic acid, it is spare;
By the polypropylene of the mass ratio, 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate, nano-calcium carbonate
Calcium passes through double-screw extruding pelletizing after mixing, and 205~210 DEG C of processing temperature, 220~230r/min of screw speed is obtained mixed
Object three is closed, partial size≤0.8mm of the mixture three is spare；
Wheat stalk is dried, is crushed with pulverizer, the wheat stalk powder of 120 meshes was taken, is added relative to Wheat Straw
The sodium hydroxide solution one that 15-20 times of amount of stalk silty is standing and soaking 18-20 hours, is filtered, is cast out filtrate, remaining solid water
It after washing to neutrality, is dried at 50-60 DEG C, one mass concentration of sodium hydroxide solution is 6-10wt%, obtains pretreatment wheat
N, N- dimethylene formamide DMF relative to pretreatment wheat stalk powder 40-45 mass times is added in straw powder, stirs 30-
After 40min, continue to stir and be added maleic anhydride MA, the maleic anhydride MA: pretreatment wheat stalk powder mass ratio is 0.75-
0.8:1 then heats to 100-110 DEG C and is reacted, and reaction process is kept stirring, after reaction 2-6 hours, product is cold
But to room temperature, filtering removes the solid after filtrate, after being washed with water 3-4 times, is put at 60 DEG C of baking oven and dries, just changed
Property wheat stalk, it is spare；
The distilled water relative to 6-7 times of polyvinyl alcohol quality is added into PVAC polyvinylalcohol, is stirred and heated to 85- 90
After DEG C being completely dissolved PVAC polyvinylalcohol, stops heating, be cooled to 15 DEG C -25 DEG C, obtain PVAC polyvinylalcohol solution for standby；
(2) acrylic acid, PVAC polyvinylalcohol solution, modified wheat stalk and water after neutralizing are uniformly mixed to obtain mixing
Solution one;In mixed solution one, with unneutralized acrylic acid, acrylic acid: PVAC polyvinylalcohol: modified wheat stalk: water quality
Than for 20-30:4-5:6-8:60-70；In a mold by the Yellow River clay, Nishan stone, polyphenylene sulfide powder, glass microballoon, mixture
Three, abundant with the mixed solution one 45-52:37-41:1.5-3.8:2.1-2.3:1.0-1.3:30~45 by weight percentage
After mixing, slurry mix two is made；Nitrogen is poured into slurry mix two while being vigorously stirred displacement oxygen therein, with
Slurry mix two is warming up to 60-80 DEG C afterwards, additive amount is sequentially added after being sufficiently stirred into slurry mix two and accounts for mixing
The additive one of one mass 2-3wt% of solution, additive amount account for the additive two of one mass 0.025-0.035wt% of mixed solution,
Stop stirring after then proceeding to stirring 3-5 minutes, it is then interior in 10min to be warming up to 240-250 DEG C, it is permanent at 240-250 DEG C
After warm 15min, it is cooled to 60-80 DEG C, 8-10 hours curing moldings are kept the temperature at 60-80 DEG C, it is dry at 60 DEG C then to demould green body
Dry 24-30h;
(3) green body after drying is calcined, first stage calcination temperature is 360-380 DEG C, calcines 3-4h, then exists
1300 DEG C~1350 DEG C are warming up in 30min, second stage is calcined, 5~8min of calcination time；Then it is cooled in 30min
300-340 DEG C, phase III calcining, calcination time 3-5h;850-880 DEG C is finally warming up in 30min, calcining 24-30h is burnt
Knot finishes, 24-48 hours cooling, obtains heat insulation building block.
Temperature is degree Celsius in embodiment.Unspecified percentage composition is mass percentage.
The heat insulation building block of the present invention of embodiment 1
A kind of heat insulation building block, including following raw material: 48 mass parts of the Yellow River clay, 37 mass parts of Nishan stone, polyphenylene sulfide
1.5 mass parts of powder (Dongguan City deifies Industry investment Co., Ltd), 2.2 mass parts of glass microballoon (Yongqing County sea space glass microballoon
Co., Ltd), 3 1.0 mass parts of mixture, one 35 mass parts of mixed solution, the addition for accounting for one mass 2.6wt% of mixed solution
Agent one and the additive two for accounting for one mass 0.030wt% of mixed solution；In mixed solution one, including acrylic acid, PVAC polyvinylalcohol
(CAS No.9002-89-5, model 1799), modified wheat stalk and water.Wherein acrylic acid is that part neutralizes acrylic acid, propylene
The degree of neutralization of acid is 70%.
Wheat stalk is the wheat stalk in Shandong Dezhou.
Include: polypropylene in the mixture three, 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate, receive
Rice calcium carbonate, wherein polypropylene: 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate: nanometer calcium carbonate mass ratio
For 100:1:0.08.2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate (CAS No.85209-91-2, Luoyang City
In reach Chemical Co., Ltd.).
In mixed solution one, acrylic acid: PVAC polyvinylalcohol: modified wheat stalk: water quality ratio be 30:4:7:62(wherein
After the acrylic acid that part neutralizes is converted into equimolar unneutralized acrylic acid, according to unneutralized acrylic acid quality meter)；Wherein
The amount of PVAC polyvinylalcohol is the net content of polyvinyl alcohol, is not the content of PVAC polyvinylalcohol solution；
Nishan stone is the Nishan stone for smashing it through 100 meshes,
The additive one is ammonium hydrogen carbonate；
The additive two includes potassium peroxydisulfate and N hydroxymethyl acrylamide, wherein potassium peroxydisulfate: N- methylol propylene
Amide mass ratio is 14:1.(N hydroxymethyl acrylamide CAS No. 924-42-5)
Preparation method the following steps are included:
(1) the neutralization acrylic acid of sodium hydroxide solution two for being 30% with mass concentration is to degree of neutralization 70%, propylene after must neutralizing
Acid, it is spare;
By the polypropylene of the mass ratio, 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate, nano-calcium carbonate
Calcium passes through 36 double-screw extruding pelletizings after mixing, and 205~210 DEG C of processing temperature, 220 r/min of screw speed must be mixed
Object three, partial size≤1mm of the mixture three are spare；The polypropylene trade mark used is T30S；
Wheat stalk is dried, is crushed with pulverizer, the wheat stalk powder of 120 meshes was taken, is added relative to Wheat Straw
The sodium hydroxide solution one of 20 times of stalk silty amount is standing and soaking 20 hours, is filtered, is cast out filtrate, remaining solid is washed with water to
It after neutrality, is dried at 60 DEG C, one mass concentration of sodium hydroxide solution is 6wt%, obtains pretreatment wheat stalk powder, is added
Relative to N, the N- dimethylene formamide DMF (CAS No.68-12-2) of pretreatment 40 mass of wheat stalk powder times, stirring
After 40min, continue to stir and be added maleic anhydride MA (CAS No.108-31-6), the maleic anhydride MA: pretreatment Wheat Straw
Stalk powder mass ratio is 0.75:1, then heats to 110 DEG C and is reacted, and reaction process is kept stirring, and after reaction 6 hours, will be produced
Object is cooled to room temperature, and filtering removal filtrate takes remaining solid after filtering, after being washed with water 3 times, is put at 60 DEG C of baking oven and dries
It is dry, modified wheat stalk is just obtained, it is spare；
The distilled water relative to 7 times of polyvinyl alcohol quality is added into PVAC polyvinylalcohol, being stirred and heated to 85 DEG C makes to gather
After vinyl alcohol PVA is completely dissolved, stops heating, be cooled to 20 DEG C, obtain PVAC polyvinylalcohol solution for standby；
(2) acrylic acid, PVAC polyvinylalcohol solution, modified wheat stalk and water after neutralizing are uniformly mixed to obtain mixing
Solution one;In mixed solution one, with unneutralized acrylic acid, acrylic acid: PVAC polyvinylalcohol: modified wheat stalk: water quality
Than for 30:4:7:62；In a mold by the Yellow River clay, Nishan stone, polyphenylene sulfide powder, glass microballoon, mixture three, with it is described mixed
After conjunction solution one is sufficiently mixed in mass ratio, slurry mix two is made；It is violent simultaneously that nitrogen is poured into slurry mix two
Oxygen therein is replaced in stirring, and slurry mix two is then warming up to 70 DEG C, after being sufficiently stirred into slurry mix two according to
The secondary additive one that additive amount is added and accounts for one mass 2.6wt% of mixed solution, additive amount account for one mass 0.030wt% of mixed solution
Additive two, then proceed to stirring and stop stirring after five minutes, then in 10min in be warming up to 250 DEG C, it is permanent at 250 DEG C
After warm 15min, 80 DEG C are cooled to, 8 hours curing moldings are kept the temperature at 80 DEG C, green body is then demoulded and is dried for 24 hours at 60 DEG C;
(3) green body after drying is calcined, first stage calcination temperature is 360 DEG C, calcines 4h, then rises in 30min
Temperature is to 1350 DEG C, and second stage is calcined, calcination time 5min；340 DEG C are then cooled in 30min, phase III calcining is forged
Burn time 4h;880 DEG C are finally warming up in 30min, sintering finishes for 24 hours for calcining, natural cooling 24 hours, obtains self-heat conserving
Building block.
Embodiment 2
A kind of heat insulation building block, heat insulation building block include following raw material: 52 mass parts of the Yellow River clay, 39 mass of Nishan stone
Part, 2.0 mass parts of polyphenylene sulfide powder, 3 1.2 mass parts of mixture, one 45 mass parts of mixed solution, account for 2.3 parts of glass microballoon
The additive one of one mass 2.8wt% of mixed solution and the additive two for accounting for one mass 0.025wt% of mixed solution；The mixing
In solution one, including acrylic acid, PVAC polyvinylalcohol, modified wheat stalk and water.
Include: polypropylene in the mixture three, 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate, receive
Rice calcium carbonate, wherein polypropylene: 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate: nanometer calcium carbonate mass ratio
For 100:0.6:0.12.
Mixed solution one, wherein acrylic acid is that part neutralizes acrylic acid, and the degree of neutralization of acrylic acid is 60%.
In mixed solution one, with unneutralized acrylic acid, acrylic acid: PVAC polyvinylalcohol: modified wheat stalk: water quality
Amount is than being 25:4.5:7:70.
Nishan stone is the Nishan stone for smashing it through 100 meshes.
The additive one is ammonium hydrogen carbonate；
The additive two includes potassium peroxydisulfate and N hydroxymethyl acrylamide, wherein potassium peroxydisulfate: N- methylol propylene
Amide mass ratio is 11.5:1.
The preparation method of heat insulation building block the following steps are included:
(1) sodium hydroxide solution two for being 30wt% with mass concentration neutralizes acrylic acid to degree of neutralization 60%, third after must neutralizing
Olefin(e) acid, it is spare;
By the polypropylene of the mass ratio, 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate, nano-calcium carbonate
Calcium passes through double-screw extruding pelletizing after mixing, and 205~210 DEG C of processing temperature, screw speed 230r/min obtains mixture
Three, partial size≤1mm of the mixture three, it is spare；The polypropylene trade mark used is T30S；
Wheat stalk is dried, is crushed with pulverizer, the wheat stalk powder of 120 meshes was taken, is added relative to Wheat Straw
The sodium hydroxide solution one of 15 times of stalk silty amount is standing and soaking 18 hours, is filtered, is cast out filtrate, remaining solid is washed with water to
It after neutrality, is dried at 50 DEG C, one mass concentration of sodium hydroxide solution is 10wt%, obtains pretreatment wheat stalk powder, is added
Relative to N, the N- dimethylene formamide DMF of pretreatment 45 mass of wheat stalk powder times, after stirring 30min, continue stirring simultaneously
Maleic anhydride MA, the maleic anhydride MA is added: pretreatment wheat stalk powder mass ratio is 0.8:1, then heats to 100 DEG C
It is reacted, reaction process is kept stirring, and after reaction 2 hours, product is cooled to room temperature, filtering removal filtrate, after taking filtering
The remaining solid on filter paper upper layer after being washed with water 4 times, is put at 60 DEG C of baking oven and dries, just obtain modified wheat stalk, standby
With；
The distilled water relative to 6 times of polyvinyl alcohol quality is added into PVAC polyvinylalcohol, being stirred and heated to 85 DEG C makes to gather
After vinyl alcohol PVA is completely dissolved, stops heating, be cooled to 15 DEG C, obtain PVAC polyvinylalcohol solution for standby；
(2) acrylic acid, PVAC polyvinylalcohol solution, modified wheat stalk and water after neutralizing are uniformly mixed to obtain mixing
Solution one;In mixed solution one, with unneutralized acrylic acid, acrylic acid: PVAC polyvinylalcohol: modified wheat stalk: water quality
Than for 25:4.5:7:70；In a mold by the Yellow River clay, Nishan stone, polyphenylene sulfide powder, glass microballoon, mixture three, with it is described
After mixed solution one is sufficiently mixed in mass ratio, slurry mix two is made；It is acute simultaneously that nitrogen is poured into slurry mix two
Oxygen therein is replaced in strong stirring, slurry mix two is then warming up to 80 DEG C, after being sufficiently stirred into slurry mix two
The additive one that additive amount accounts for one mass 2.8wt% of mixed solution is sequentially added, additive amount accounts for one mass of mixed solution
The additive two of 0.025wt% stops stirring after then proceeding to stirring 3 minutes, then interior in 10min to be warming up to 240 DEG C,
At 240 DEG C after constant temperature 15min, 60 DEG C are cooled to, 10 hours curing moldings are kept the temperature at 60 DEG C, it is dry at 60 DEG C then to demould green body
It is dry for 24 hours;
(3) green body after drying is calcined, first stage calcination temperature is 380 DEG C, calcines 3h, then rises in 30min
Temperature is to 1300 DEG C, and second stage is calcined, calcination time 8min；300 DEG C are then cooled in 30min, phase III calcining is forged
Burn time 5h;850 DEG C are finally warming up in 30min, calcining 30h sintering finishes, and natural cooling 24 hours, obtains self-heat conserving
Building block.
Embodiment 3
A kind of heat insulation building block, heat insulation building block include following raw material: 45 mass parts of the Yellow River clay, 41 mass of Nishan stone
Part, 3.5 mass parts of polyphenylene sulfide powder, 2.1 mass parts of glass microballoon, 3 1.3 mass parts of mixture, one 39 mass of mixed solution
Part accounts for the additive one of one mass 2.1wt% of mixed solution and accounts for the additive two of one mass 0.035wt% of mixed solution；Institute
It states in mixed solution one, including acrylic acid, PVAC polyvinylalcohol, modified wheat stalk and water.
Include: polypropylene in the mixture three, 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate, receive
Rice calcium carbonate, wherein polypropylene: 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate: nanometer calcium carbonate mass ratio
For 100:1.1:0.1.
Mixed solution one, wherein acrylic acid is that part neutralizes acrylic acid, and the degree of neutralization of acrylic acid is 65%.
In mixed solution one, with unneutralized acrylic acid, acrylic acid: PVAC polyvinylalcohol: modified wheat stalk: water quality
Amount is than being 20:5:8:65.
Nishan stone is the Nishan stone for smashing it through 100 meshes.
The additive one is ammonium hydrogen carbonate；
The additive two includes potassium peroxydisulfate and N hydroxymethyl acrylamide, wherein potassium peroxydisulfate: N- methylol propylene
Amide mass ratio is 16.5:1.
The preparation method of heat insulation building block the following steps are included:
(1) sodium hydroxide solution two for being 30wt% with mass concentration neutralizes acrylic acid to degree of neutralization 65%, third after must neutralizing
Olefin(e) acid, it is spare;
By the polypropylene of the mass ratio, 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate, nano-calcium carbonate
Calcium passes through double-screw extruding pelletizing after mixing, and 205~210 DEG C of processing temperature, screw speed 225r/min obtains mixture
Three, partial size≤1mm of the mixture three, it is spare；The polypropylene trade mark used is T30S；
Wheat stalk is dried, is crushed with Universalpulverizer, the wheat stalk powder of 120 meshes was taken, is added relative to small
The mass concentration of 18 times of Wheat Straw silty amount is the sodium hydroxide solution one of 8wt%, is standing and soaking 19 hours, filters, casts out filter
Liquid after remaining solid is washed with water to neutrality, is dried at 55 DEG C, obtains pretreatment wheat stalk powder, is added relative to pretreatment
N, the N- dimethylene formamide DMF of wheat stalk powder 42 mass times continue to stir and maleic anhydride are added after stirring 35min
MA, the maleic anhydride MA: pretreatment wheat stalk powder mass ratio is 0.78:1, then heats to 100 DEG C and is reacted, instead
It answers process to be kept stirring, after reaction 4 hours, product is cooled to room temperature, filtering removal filtrate takes filter paper upper layer after filtering
Remaining solid after being washed with water 3 times, is put at 60 DEG C of baking oven and dries, just obtain modified wheat stalk, spare；
The distilled water relative to 6 times of polyvinyl alcohol quality is added into PVAC polyvinylalcohol, being stirred and heated to 90 DEG C makes to gather
After vinyl alcohol PVA is completely dissolved, stops heating, be cooled to 25 DEG C, obtain PVAC polyvinylalcohol solution for standby；
(2) acrylic acid, PVAC polyvinylalcohol solution, modified wheat stalk and water after neutralizing are uniformly mixed to obtain mixing
Solution one;In mixed solution one, with unneutralized acrylic acid, acrylic acid: PVAC polyvinylalcohol: modified wheat stalk: water quality
Than for 20:5:8:65；In a mold by the Yellow River clay, Nishan stone, polyphenylene sulfide powder, glass microballoon, mixture three, with it is described mixed
After conjunction solution one is sufficiently mixed in mass ratio, slurry mix two is made；It is violent simultaneously that nitrogen is poured into slurry mix two
Oxygen therein is replaced in stirring, and slurry mix two is then warming up to 60 DEG C, after being sufficiently stirred into slurry mix two according to
The secondary additive one that additive amount is added and accounts for one mass 2.1wt% of mixed solution, additive amount account for one mass 0.035wt% of mixed solution
Additive two, stop stirring after then proceeding to stirring 4 minutes, then in 10min in be warming up to 245 DEG C, it is permanent at 245 DEG C
After warm 15min, 60 DEG C are cooled to, 9 hours curing moldings are kept the temperature at 60 DEG C, then demoulds green body in 60 DEG C of dry 30h;
(3) green body after drying is calcined, first stage calcination temperature is 370 DEG C, calcines 4h, then rises in 30min
Temperature is to 1320 DEG C, and second stage is calcined, calcination time 7min；320 DEG C are then cooled in 30min, phase III calcining is forged
Burn time 3h;860 DEG C are finally warming up in 30min, calcining 26h sintering finishes, and natural cooling 30 hours, obtains self-heat conserving
Building block.
Embodiment 4
A kind of heat insulation building block, heat insulation building block include following raw material: 50 mass parts of the Yellow River clay, 38 mass of Nishan stone
Part, 3 mass parts of polyphenylene sulfide powder, 2.3 parts of glass microballoon, 3 1.1 mass parts of mixture, one 30 mass parts of mixed solution, account for it is mixed
It closes the additive one of one mass 2.5wt% of solution and accounts for the additive two of one mass 0.028wt% of mixed solution；The mixing is molten
In liquid one, including acrylic acid, PVAC polyvinylalcohol, modified wheat stalk and water.
Include: polypropylene in the mixture three, 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate, receive
Rice calcium carbonate, wherein polypropylene: 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate: nanometer calcium carbonate mass ratio
For 100:0.9:0.12.
Mixed solution one, wherein acrylic acid is that part neutralizes acrylic acid, and the degree of neutralization of acrylic acid is 62%.
In mixed solution one, with unneutralized acrylic acid, acrylic acid: PVAC polyvinylalcohol: modified wheat stalk: water quality
Amount is than being 25:5:8:60.
Nishan stone is the Nishan stone for smashing it through 100 meshes.
Additive one is ammonium hydrogen carbonate；
Additive two is potassium peroxydisulfate and N hydroxymethyl acrylamide, wherein potassium peroxydisulfate: N hydroxymethyl acrylamide matter
Amount is than being 13:1.
The preparation method of heat insulation building block the following steps are included:
(1) sodium hydroxide solution two for being 30wt% with mass concentration neutralizes acrylic acid to degree of neutralization 62%, third after must neutralizing
Olefin(e) acid, it is spare;
By the polypropylene of the mass ratio, 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate, nano-calcium carbonate
Calcium passes through double-screw extruding pelletizing after mixing, and 205~210 DEG C of processing temperature, screw speed 220r/min obtains mixture
Three, partial size≤1mm of the mixture three, it is spare；The polypropylene trade mark used is T30S；
Wheat stalk is dried, is crushed with pulverizer, the wheat stalk powder of 120 meshes was taken, is added relative to Wheat Straw
The mass concentration of 15 times of stalk silty amount is the sodium hydroxide solution one of 7wt%, is standing and soaking 18 hours, filters, casts out filtrate, is remained
It after remaining solid is washed with water to neutrality, is dried at 60 DEG C, obtains pretreatment wheat stalk powder, be added relative to pretreatment Wheat Straw
N, the N- dimethylene formamide DMF of stalk powder 45 mass times continue to stir and be added maleic anhydride MA after stirring 40min, described
Maleic anhydride MA: pretreatment wheat stalk powder mass ratio is 0.75:1, then heats to 110 DEG C and is reacted, and reaction process is protected
It holds stirring to be cooled to room temperature product after reaction 2-6 hours, filtering removal filtrate takes the remaining solid on filter paper upper layer, uses
After water washing 4 times, it is put at 60 DEG C of baking oven and dries, just obtain modified wheat stalk, it is spare；
The distilled water relative to 6.5 times of polyvinyl alcohol quality is added into PVAC polyvinylalcohol, being stirred and heated to 88 DEG C makes
After PVAC polyvinylalcohol is completely dissolved, stops heating, be cooled to 20 DEG C, obtain PVAC polyvinylalcohol solution for standby；
(2) acrylic acid, PVAC polyvinylalcohol solution, modified wheat stalk and water after neutralizing are uniformly mixed to obtain mixing
Solution one;In mixed solution one, with unneutralized acrylic acid, acrylic acid: PVAC polyvinylalcohol: modified wheat stalk: water quality
Than for 25:5:8:60；In a mold by the Yellow River clay, Nishan stone, polyphenylene sulfide powder, glass microballoon, mixture three, with it is described mixed
After conjunction solution one is sufficiently mixed in mass ratio, slurry mix two is made；It is violent simultaneously that nitrogen is poured into slurry mix two
Oxygen therein is replaced in stirring, and slurry mix two is then warming up to 80 DEG C, after being sufficiently stirred into slurry mix two according to
The secondary additive one that additive amount is added and accounts for one mass 2.5wt% of mixed solution, additive amount account for one mass 0.028wt% of mixed solution
Additive two, stop stirring after then proceeding to stirring 3 minutes, then in 10min in be warming up to 250 DEG C, it is permanent at 250 DEG C
After warm 15min, 60 DEG C are cooled to, 8 hours curing moldings are kept the temperature at 60 DEG C, then demoulds green body in 60 DEG C of dry 25h;
(3) green body after drying is calcined, first stage calcination temperature is 375 DEG C, calcines 3h, then rises in 30min
Temperature is to 1330 DEG C, and second stage is calcined, calcination time 6min；310 DEG C are then cooled in 30min, phase III calcining is forged
Burn time 4h;870 DEG C are finally warming up in 30min, sintering finishes for 24 hours for calcining, natural cooling 48 hours, obtains self-heat conserving
Building block.
Embodiment 5
A kind of heat insulation building block, heat insulation building block include following raw material: 49 mass parts of the Yellow River clay, 40 mass of Nishan stone
Part, 3.8 mass parts of polyphenylene sulfide powder, 3 1.0 mass parts of mixture, one 38 mass parts of mixed solution, account for 2.2 parts of glass microballoon
The additive one of one mass 3wt% of mixed solution and the additive two for accounting for one mass 0.032wt% of mixed solution；；The mixing
In solution one, including acrylic acid, PVAC polyvinylalcohol, modified wheat stalk and water.
Include: polypropylene in the mixture three, 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate, receive
Rice calcium carbonate, wherein polypropylene: 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate: nanometer calcium carbonate mass ratio
For 100:0.8:0.09.
Mixed solution one, wherein acrylic acid is that part neutralizes acrylic acid, and the degree of neutralization of acrylic acid is 69%.
In mixed solution one, with unneutralized acrylic acid, acrylic acid: PVAC polyvinylalcohol: modified wheat stalk: water quality
Amount is than being 30:4:6:70.Nishan stone is the Nishan stone for smashing it through 100 meshes.
Additive one is ammonium hydrogen carbonate；
Additive two is potassium peroxydisulfate and N hydroxymethyl acrylamide, wherein potassium peroxydisulfate: N hydroxymethyl acrylamide matter
Amount is than being 15:1.
The preparation method of heat insulation building block the following steps are included:
(1) sodium hydroxide solution two for being 30wt% with mass concentration neutralizes acrylic acid to degree of neutralization 69%, third after must neutralizing
Olefin(e) acid, it is spare;
By the polypropylene of the mass ratio, 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate, nano-calcium carbonate
Calcium passes through double-screw extruding pelletizing after mixing, and 205~210 DEG C of processing temperature, screw speed 230r/min obtains mixture
Three, partial size≤1mm of the mixture three, it is spare；The polypropylene trade mark used is T30S；
Wheat stalk is dried, is crushed with pulverizer, the wheat stalk powder of 120 meshes was taken, is added relative to Wheat Straw
The mass concentration of 15 times of stalk silty amount is the sodium hydroxide solution one of 10wt%, is standing and soaking 20 hours, filters, casts out filtrate, is remained
It after remaining solid is washed with water to neutrality, is dried at 50 DEG C, obtains pretreatment wheat stalk powder, be added relative to pretreatment Wheat Straw
N, the N- dimethylene formamide DMF of stalk powder 45 mass times continue to stir and be added maleic anhydride MA after stirring 40min, described
Maleic anhydride MA: pretreatment wheat stalk powder mass ratio is 0.8:1, then heats to and DEG C is reacted, and reaction process holding is stirred
It mixes, after reaction 3 hours, product is cooled to room temperature, filtering removal filtrate takes filtered remaining solid, is washed with water 4 times
Afterwards, it is put at 60 DEG C of baking oven and dries, just obtain modified wheat stalk, it is spare；
The distilled water relative to 6 times of polyvinyl alcohol quality is added into PVAC polyvinylalcohol, being stirred and heated to 85 DEG C makes to gather
After vinyl alcohol PVA is completely dissolved, stops heating, be cooled to 25 DEG C, obtain PVAC polyvinylalcohol solution for standby；
(2) acrylic acid, PVAC polyvinylalcohol solution, modified wheat stalk and water after neutralizing are uniformly mixed to obtain mixing
Solution one;In mixed solution one, with unneutralized acrylic acid, acrylic acid: PVAC polyvinylalcohol: modified wheat stalk: water quality
Than for 30:4:7:70；In a mold by the Yellow River clay, Nishan stone, polyphenylene sulfide powder, glass microballoon, mixture three, with it is described mixed
After conjunction solution one is sufficiently mixed in mass ratio, slurry mix two is made；It is violent simultaneously that nitrogen is poured into slurry mix two
Oxygen therein is replaced in stirring, and slurry mix two is then warming up to 60 DEG C, after being sufficiently stirred into slurry mix two according to
The secondary additive one that additive amount is added and accounts for one mass 3wt% of mixed solution, additive amount account for one mass 0.032wt%'s of mixed solution
Additive two then proceedes to stirring and stops stirring after five minutes, then interior in 10min to be warming up to 240 DEG C, the constant temperature at 240 DEG C
After 15min, 70 DEG C are cooled to, 9 hours curing moldings are kept the temperature at 70 DEG C, then demoulds green body in 60 DEG C of dry 28h;
(3) green body after drying is calcined, first stage calcination temperature is 360 DEG C, calcines 4h, then rises in 30min
Temperature is to 1310 DEG C, and second stage is calcined, calcination time 6min；340 DEG C are then cooled in 30min, phase III calcining is forged
Burn time 4h;880 DEG C are finally warming up in 30min, sintering finishes for 24 hours for calcining, natural cooling 36 hours, obtains self-heat conserving
Building block.
Embodiment 6
A kind of heat insulation building block, heat insulation building block include following raw material: 46 mass parts of the Yellow River clay, 39 mass of Nishan stone
Part, 2.9 mass parts of polyphenylene sulfide powder, 3 1.1 mass parts of mixture, one 30 mass parts of mixed solution, account for 2.1 parts of glass microballoon
The additive one of one mass 2wt% of mixed solution and the additive two for accounting for one mass 0.034wt% of mixed solution；The mixing is molten
In liquid one, including acrylic acid, PVAC polyvinylalcohol, modified wheat stalk and water.
Include: polypropylene in the mixture three, 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate, receive
Rice calcium carbonate, wherein polypropylene: 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate: nanometer calcium carbonate mass ratio
For 100:0.9:0.11.
Mixed solution one, wherein acrylic acid is that part neutralizes acrylic acid, and the degree of neutralization of acrylic acid is 65%.
In mixed solution one, with unneutralized acrylic acid, acrylic acid: PVAC polyvinylalcohol: modified wheat stalk: water quality
Amount is than being 23:5:7:66.
Nishan stone is the Nishan stone for smashing it through 100 meshes.
Additive one is ammonium hydrogen carbonate；
Additive two is potassium peroxydisulfate and N hydroxymethyl acrylamide, wherein potassium peroxydisulfate: N hydroxymethyl acrylamide matter
Amount is than being 16:1.
The preparation method of heat insulation building block the following steps are included:
(1) sodium hydroxide solution two for being 30wt% with mass concentration neutralizes acrylic acid to degree of neutralization 65%, third after must neutralizing
Olefin(e) acid, it is spare;
By the polypropylene of the mass ratio, 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate, nano-calcium carbonate
Calcium passes through double-screw extruding pelletizing after mixing, and 205~210 DEG C of processing temperature, 228 r/min of screw speed obtains mixture
Three, partial size≤1mm of the mixture three, it is spare；The polypropylene trade mark used is T30S；
Wheat stalk is dried, is crushed with pulverizer, the wheat stalk powder of 120 meshes was taken, is added relative to Wheat Straw
The sodium hydroxide solution one of 17 times of stalk silty amount is standing and soaking 19 hours, is filtered, is cast out filtrate, remaining solid is washed with water to
It after neutrality, is dried at 55 DEG C, one mass concentration of sodium hydroxide solution is 6wt%, obtains pretreatment wheat stalk powder, is added
Relative to N, the N- dimethylene formamide DMF of pretreatment 43 mass of wheat stalk powder times, after stirring 36min, continue stirring simultaneously
Maleic anhydride MA, the maleic anhydride MA is added: pretreatment wheat stalk powder mass ratio is 0.76:1, then heats to 104 DEG C
It is reacted, reaction process is kept stirring, and after reaction 4 hours, product is cooled to room temperature, and filtering removal filtrate takes filtering
The remaining solid on filter paper upper layer afterwards after being washed with water 3 times, is put at 60 DEG C of baking oven and dries, just obtain modified wheat stalk, standby
With；
The distilled water relative to 7 times of polyvinyl alcohol quality is added into PVAC polyvinylalcohol, being stirred and heated to 90 DEG C makes to gather
After vinyl alcohol PVA is completely dissolved, stops heating, be cooled to 15 DEG C, obtain PVAC polyvinylalcohol solution for standby；
(2) acrylic acid, PVAC polyvinylalcohol solution, modified wheat stalk and water after neutralizing are uniformly mixed to obtain mixing
Solution one;In mixed solution one, with unneutralized acrylic acid, acrylic acid: PVAC polyvinylalcohol: modified wheat stalk: water quality
Than for 23:5:7:66；In a mold by the Yellow River clay, Nishan stone, polyphenylene sulfide powder, glass microballoon, mixture three, with mix
After solution one is sufficiently mixed in mass ratio, slurry mix two is made；Nitrogen is poured into slurry mix two while acutely being stirred
Displacement oxygen therein is mixed, slurry mix two is then warming up to 80 DEG C, after being sufficiently stirred successively into slurry mix two
The additive one that additive amount accounts for one mass 2wt% of mixed solution is added, additive amount accounts for adding for one mass 0.034wt% of mixed solution
Add agent two, then proceedes to stirring and stop stirring after five minutes, then interior in 10min to be warming up to 250 DEG C, the constant temperature at 250 DEG C
After 15min, 70 DEG C are cooled to, 9 hours curing moldings are kept the temperature at 70 DEG C, green body is then demoulded and is dried for 24 hours at 60 DEG C;Additive
For ammonium hydrogen carbonate: ammonium ceric nitrate (NH4)2Ce(N03)6Mass ratio is 23:1.
(3) green body after drying is calcined, first stage calcination temperature is 380 DEG C, calcines 3h, then rises in 30min
Temperature is to 1330 DEG C, and second stage is calcined, calcination time 6min；340 DEG C are then cooled in 30min, phase III calcining is forged
Burn time 3h;870 DEG C are finally warming up in 30min, calcining 26h sintering finishes, and natural cooling 26 hours, obtains self-heat conserving
Building block.
1 the Yellow River clay standard brick (porous brick) of comparative example
Yellow river silt standard brick (porous brick), the Yellow River clay 70%, gangue 30%, monolithic weigh 2.4 ㎏, compression strength 15MPa
More than, be used for building load bearing wall, masonry must do exterior-wall heat insulation, take a lot of work, be at high cost, is long in time limit, heat insulation effect it is poor.
Preparation method: mixture → stirring → molding → drying → sintering → kiln discharge stacking.
2 concrete brick of comparative example
Concrete brick, 240*115*53, monolithic weigh 3.5 ㎏, primary raw material cement 15%, stone nitre 10%, mountain flour 45%, fine coal
Ash 30%, compression strength are greater than 15MPa, are used for building load bearing wall, dead weight is big, and wall must be exterior-wall heat insulation, Gong Renlao
Fatigue resistance is big, takes a lot of work, at high cost, and heat insulation effect is poor.
Preparation method: cloth → stirring → conveying → forms → falls plate → finished product maintenance → finished product.
Comparative example 3
On that basis of example 1, the Yellow River clay and Nishan stone are replaced with into ordinary portland cement and sand, other conditions
It is constant.
Density is 752kg/m3, compression strength 7.1Mpa, water absorption rate 13%, resistance to weathering can 0.68, need to do external thermal insulation.
Comparative example 4
On that basis of example 1, polyphenylene sulfide powder is not added and glass microballoon other conditions are constant.
Density is 740kg/m3, compression strength 7.0Mpa, water absorption rate 14%, resistance to weathering can 0.65, need to do external thermal insulation.
Comparative example 5
On that basis of example 1, mixed solution one and additive is not added, only retains the moisture in mixed solution one, other
Condition is constant.
Green body calcining is to need to be warming up to 950-1250 DEG C, calcines 36-48h, density 822kg/m3, compression strength
7.0Mpa, water absorption rate 13%, resistance to weathering energy 0.64.
Comparative example 6
On that basis of example 1, modified wheat stalk is not added in mixed solution one, other conditions are constant.
Density is 751kg/m3, compression strength 7.1Mpa, water absorption rate 15%, resistance to weathering energy 0.69.
Comparative example 7
On that basis of example 1, PVAC polyvinylalcohol is not added in mixed solution one, other conditions are constant.
Density is 760kg/m3, compression strength 7.5Mpa, water absorption rate 15%, resistance to weathering can 0.67, need to do external thermal insulation.
Comparative example 8
On that basis of example 1, mixture three is not added, other conditions are constant.
Density is 591kg/m3, compression strength 7.6Mpa, water absorption rate 11%, resistance to weathering energy 0.63.
The performance indicator of each embodiment product of table 1
| Dry density kg/m3 | 7 days compression strength Mpa | 28 days compression strength Mpa | Water absorption rate % | Resistance to weathering energy | Combined wall thermal resistance m2K/W | Dry and wet shrinks/(mm/m) | |
| Embodiment 1 | 526 | 7.1 | 8.1 | 6 | 0.59 | 3.5 | 0.20 |
| Embodiment 2 | 529 | 7.2 | 8.1 | 6 | 0.58 | 3.5 | 0.22 |
| Embodiment 3 | 531 | 7.2 | 8.1 | 6 | 0.59 | 3.5 | 0.21 |
| Embodiment 4 | 530 | 7.1 | 8.1 | 6 | 0.57 | 3.5 | 0.19 |
| Embodiment 5 | 523 | 7.4 | 8.0 | 6 | 0.59 | 3.6 | 0.23 |
| Embodiment 6 | 525 | 7.3 | 8.1 | 6 | 0.56 | 3.6 | 0.21 |
It is as can be seen from Table 1 raw material, resource using a large amount of silt resources in China the Yellow River and wheat stalk solid waste
Comprehensive utilization, production energy consumption is low, and heat insulation effect is good, and the good product of safety and firmness, exterior wall is no longer kept the temperature, that is, can reach country
Gongjian 50% builds in residence 65% energy-saving heat preserving standard, saves for 30% or more duration.
It is advantageous to antidetonation to be compared with brick mixed building from the building seismic force of heavy and light with regard to small, it is same to build, similarly
Under the conditions of shake, Earthquake hazard degree differs a Seismic Design and sets up defences rank, under the conditions of identical ground, from the number of plies of the building of heavy and light
It can increase, economical advantages.Heat insulation building block density is the building block of same intensity grade 50% hereinafter, stability in embodiment
Height, good combination property are comprehensive to reduce by 20% or more construction cost.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of heat insulation building block, which is characterized in that the heat insulation building block includes following raw material: the Yellow River clay 45-52 mass
Part, Nishan stone 37-41 mass parts, polyphenylene sulfide powder 1.5-3.8 mass parts, glass microballoon 2.1-2.3 mass parts, mixture three
1.0-1.3 mass parts, one 30-45 mass parts of mixed solution, the additive one for accounting for one mass 2-3wt% of mixed solution and account for mixing
The additive two of one mass 0.025-0.035wt% of solution；In the mixed solution one, including acrylic acid, polyvinyl alcohol, modification
Wheat stalk and water；
The mixture three includes: polypropylene, 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate, nano-calcium carbonate
Calcium, wherein polypropylene: 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate: nanometer calcium carbonate mass ratio is 100:
0.6-1.1:0.08-0.12；
The mixed solution one, wherein acrylic acid is that part neutralizes acrylic acid, and the degree of neutralization of acrylic acid is 60-70%；
In the mixed solution one, wherein acrylic acid is with unneutralized acrylic acid, acrylic acid: polyvinyl alcohol: modified wheat straw
Stalk: water quality ratio is 20-30:4-5:6-8:60-70；
The additive one is ammonium hydrogen carbonate；
The additive two includes potassium peroxydisulfate and N hydroxymethyl acrylamide, wherein potassium peroxydisulfate: N hydroxymethyl acrylamide
Mass ratio is 11.5-16.5:1.
2. heat insulation building block according to claim 1, which is characterized in that the Nishan stone is to smash it through 100 meshes
Nishan stone.
3. heat insulation building block according to claim 1, which is characterized in that the modified wheat stalk the preparation method comprises the following steps:
Wheat stalk is dried, is crushed with pulverizer, the wheat stalk powder of 120 meshes was taken, is added relative to wheat stalk powder quality
15-20 times of sodium hydroxide solution one is standing and soaking 18-20 hours, is filtered, is cast out filtrate, during remaining solid is washed with water to
After property, is dried at 50-60 DEG C, obtain pretreatment wheat stalk powder；It is added in pretreatment wheat stalk powder relative to pretreatment
The n,N-Dimethylformamide of wheat stalk powder 40-45 mass times continues to stir and maleic acid is added after stirring 30-40min
Acid anhydride, the maleic anhydride: pretreatment wheat stalk powder mass ratio is 0.75-0.8:1, then heats to 100-110 DEG C and carries out instead
It answers, reaction process is kept stirring, and after reaction 2-6 hours, product is cooled to room temperature, and filtering removal filtrate remains after taking filtering
Remaining solid after being washed with water 3-4 times, is put at 60 DEG C of baking oven and dries, just obtain modified wheat stalk；The sodium hydroxide
One mass concentration of solution is 6-10wt%.
4. heat insulation building block according to claim 1 to 3, which is characterized in that the preparation method of the heat insulation building block
The following steps are included:
(1) sodium hydroxide solution two for being 30wt% with mass concentration neutralization acrylic acid is to degree of neutralization 60-70%, propylene after must neutralizing
Acid, it is spare;
The polypropylene of the mass ratio, 2,2- methylene-bis- (4,6- di-tert-butyl-phenyl) sodium phosphate, nanometer calcium carbonate is mixed
By double-screw extruding pelletizing after closing uniformly, mixture three is obtained, it is spare；
Wheat stalk is dried, is crushed with pulverizer, the wheat stalk powder of 120 meshes was taken, is added relative to wheat stalk powder
15-20 times of quality of sodium hydroxide solution one is standing and soaking 18-20 hours, is filtered, is cast out filtrate, remaining solid is washed with water
It to neutrality, is dried at 50-60 DEG C, obtains pretreatment wheat stalk powder, be then added into pretreatment wheat stalk powder opposite
Continue to stir and be added after stirring 30-40min in the n,N-Dimethylformamide of pretreatment wheat stalk powder 40-45 mass times
Maleic anhydride, the maleic anhydride: pretreatment wheat stalk powder mass ratio is 0.75-0.8:1, then heats to 100-110 DEG C
It is reacted, reaction process is kept stirring, and after reaction 2-6 hours, product is cooled to room temperature, and filtering removal filtrate took
Remaining solid after filter after being washed with water 3-4 times, is put at 60 DEG C of baking oven and dries, just obtain modified wheat stalk, spare, institute
Stating one mass concentration of sodium hydroxide solution is 6-10wt%；
The distilled water relative to 6-7 times of polyvinyl alcohol quality is added into polyvinyl alcohol, being stirred and heated to 90 DEG C of 85- makes to gather
After vinyl alcohol is completely dissolved, stops heating, be cooled to 15 DEG C -25 DEG C, obtain poly-vinyl alcohol solution, it is spare；
(2) acrylic acid, poly-vinyl alcohol solution, modified wheat stalk and water after neutralizing, are uniformly mixed to obtain mixed solution one;
In mixed solution one, with unneutralized acrylic acid, acrylic acid: polyvinyl alcohol: modified wheat stalk: water quality ratio is 20-30:
4-5:6-8:60-70；In a mold by the Yellow River clay, Nishan stone, polyphenylene sulfide powder, glass microballoon, mixture three, with it is described mixed
After conjunction solution one is sufficiently mixed by weight 45-52:37-41:1.5-3.8:2.1-2.3:1.0-1.3:30~45, slurry is made
Mixture two；Nitrogen is poured into slurry mix two while being vigorously stirred displacement oxygen therein, then by slurry mix
Two are warming up to 60-80 DEG C, sequentially add additive one and additive two after being sufficiently stirred into slurry mix two, then proceed to
Stop stirring after stirring 3-5 minutes, then interior in 10min to be warming up to 240-250 DEG C, the constant temperature 15min at 240-250 DEG C
Afterwards, it is cooled to 60-80 DEG C, 8-10 hours curing moldings are kept the temperature at 60-80 DEG C, then demoulds green body in 60 DEG C of dry 24-
30h;One additive amount of additive is the 2-3wt% for accounting for one mass of mixed solution, and two additive amount of additive is to account for mixed solution
The 0.025-0.035wt% of one mass；
(3) green body after drying is calcined, first stage calcination temperature is 360-380 DEG C, 3-4h is calcined, then in 30min
After being warming up to 1300 DEG C~1350 DEG C, second stage calcining, 5~8min of calcination time are carried out；Then it is cooled in 30min
300-340 DEG C, carry out phase III calcining, calcination time 3-5h;It is finally warming up to 850-880 DEG C in 30min, carries out the 4th
Stage calcining, calcining 24-30h sintering finishes, 24-48 hours cooling, obtains heat insulation building block.
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| CN201610999140.3A CN106518012B (en) | 2016-11-14 | 2016-11-14 | A kind of heat insulation building block |
| PCT/CN2017/075152 WO2018086277A1 (en) | 2016-11-14 | 2017-02-28 | Self-heat preservation building block |
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| CN201610999140.3A CN106518012B (en) | 2016-11-14 | 2016-11-14 | A kind of heat insulation building block |
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| CN112136643B (en) * | 2020-09-04 | 2021-12-17 | 华中农业大学 | Sandwich porous roof substrate block and preparation method thereof |
| CN114538890B (en) * | 2021-12-31 | 2022-09-13 | 中国建筑科学研究院有限公司 | Method for producing degradable building blocks by using industrial and agricultural wastes |
| CN114671656B (en) * | 2022-04-22 | 2023-01-17 | 张艮中 | Porous light self-insulation material and preparation method thereof |
| CN116444287A (en) * | 2023-04-19 | 2023-07-18 | 国发环保新材料(江门)有限公司 | Foamed ceramic production process and equipment |
| CN116903318B (en) * | 2023-09-11 | 2023-12-29 | 潍坊市金柏尔新型建材有限公司 | Preparation method of high-strength aerated concrete block |
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| JP2001181068A (en) * | 1999-12-24 | 2001-07-03 | Taiheiyo Cement Corp | Composite building material |
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|---|---|---|---|---|
| EP1231191A1 (en) * | 2001-02-13 | 2002-08-14 | Minebea Co., Ltd. | Ceramic material and method of producing the ceramic material from rice bran |
| CN104311097A (en) * | 2014-09-29 | 2015-01-28 | 济南天硕新型墙材有限公司 | Self-thermal-insulation building block |
| CN104817340A (en) * | 2015-04-28 | 2015-08-05 | 陈莹 | Method for using shale as raw material to produce porous heat-preservation building blocks |
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| WO2018086277A1 (en) | 2018-05-17 |
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