CN109809780A - Environmentally friendly heat insulation type flyash brick and preparation method thereof - Google Patents
Environmentally friendly heat insulation type flyash brick and preparation method thereof Download PDFInfo
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- CN109809780A CN109809780A CN201811567688.6A CN201811567688A CN109809780A CN 109809780 A CN109809780 A CN 109809780A CN 201811567688 A CN201811567688 A CN 201811567688A CN 109809780 A CN109809780 A CN 109809780A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
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Abstract
The invention discloses environmentally friendly heat insulation type flyash bricks and preparation method thereof, including brick ontology, upper round and lower round, round is offered inside the top side of the brick ontology, lower round is offered inside the bottom side of the brick ontology, the upper round and lower round are that dislocation opens up up and down, using flyash and industrial slags and aggregate as primary raw material, by coal ash 40 ~ 50%, gypsum 10 ~ 15%, lime 10 ~ 15%, aggregate 15 ~ 20%, Wheat Straw 5 ~ 10%, stabilizer 1 ~ 3%, adhesive 1 ~ 3% matches, it is chosen according to material, material grinding, screening, Wheat Straw crushes, screening, metering, slurrying, it is stirred, it pours, just support, punching and baking, environmentally friendly heat insulation type flyash brick is prepared by this preparation method, the inside of environmentally friendly heat insulation type flyash brick offers two sides up and down Upper round and lower round, so that environmentally friendly heat insulation type flyash brick has the features such as light anti-folding, resistance to compression, body, heat-insulated, sound insulation, good appearance.
Description
Technical field
The present invention relates to environment-friendly building materials technical field, specially environmentally friendly heat insulation type flyash brick and preparation method thereof.
Background technique
Using flyash, lime as primary raw material, add proper amount of gypsum and aggregate and prepared through embryo material, compression moulding, high pressure or
Solid flyash brick made of atmospheric steam curing, flyash brick can be used for wall and the basis of industry and civil buildings, fine coal
Ash is one of biggish industrial residue of the current discharge capacity in China, and a large amount of flyash is untreated, will generate fugitive dust, and pollution is big
Gas, and toxic chemical substance therein can also cause damages to human body and biology, when handling Wheat Straw, generally using a large amount of
Chemicals degenerate at fertilizer, cause Wheat Straw extra, pollute environment, land occupation resource, designing one kind can be by fine coal
It with brick is necessary that ash and Wheat Straw, which are used to make the non-supported of construction material,.
Summary of the invention
The purpose of the present invention is to provide environmentally friendly heat insulation type flyash bricks and preparation method thereof, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the invention provides the following technical scheme: environmentally friendly heat insulation type flyash brick, including brick ontology,
Upper round and lower round offer round inside the top side of the brick ontology, offer down inside the bottom side of the brick ontology
Round, the upper round and lower round are that dislocation opens up up and down.
The preparation method of environmentally friendly heat insulation type flyash brick, including flyash, gypsum, lime, aggregate, Wheat Straw, stabilizer,
The component proportion of adhesive and water, above-mentioned raw materials is, coal ash 40 ~ 50%, gypsum 10 ~ 15%, lime 10 ~ 15%, aggregate 15 ~ 20%,
Wheat Straw 5 ~ 10%, stabilizer 1 ~ 3%, adhesive 1 ~ 3%, include the following steps: step 1, and material is chosen；Step 2, material are ground
Mill, screening；Step 3, Wheat Straw crush, screening；Step 4, metering, slurrying；Step 5 is stirred；Step 6 pours；
Step 7 is just supported；Step 8, punching, step 9, baking；
Wherein in above-mentioned step one, when choosing material, when choosing flyash, chooses and fire complete flyash, choose
Dry lime, gypsum, cement and Wheat Straw；
Wherein in above-mentioned step two, flyash is sent into ball mill through conveyer, it is levigate after flyash with conveyer send to
Laboratory sifter sieves flyash, guarantees that diameier in 10 ~ 30mm, is then fed into storage tank storage, lime is through through conveying
Machine is sent into ball mill, it is levigate after lime sent with conveyer to laboratory sifter, flyash is sieved, guarantee diameier 5 ~
10mm is sent into powder batch bin after levigate, and aggregate is crushed by pulverizer, then by screening machine screening, diameter 30 ~
50mm is sent into powder batch bin after levigate；
Wherein in above-mentioned step three, the Wheat Straw not rotted is chosen, pulverizer is put into, after crushing, passes through pulverizer
Sieve is screened, and diameter is sent into powder batch bin after levigate in 5 ~ 10mm；
Wherein in above-mentioned step four, by material according to coal ash 40 ~ 50%, gypsum 10 ~ 15%, lime 10 ~ 15%, aggregate 15 ~
20%, Wheat Straw 5 ~ 10%, stabilizer 1 ~ 3%, adhesive 1 ~ 3% ratio weigh, by flyash pour into slurry fill, carry out slurrying；
Wherein in above-mentioned step five, coal ash pulp and lime white are imported into blender, while gypsum, cement, aggregate is added
And Wheat Straw, in stirring, when stirring a length of 30 ~ 40min, and the internal temperature for controlling blender is maintained at 35 ~ 45 DEG C,
When preparing preceding 5 ~ 10min of casting, stabilizer and adhesive is added to blender, under the action of blender, stirring 5 ~
10min；
It wherein in above-mentioned step six, clears up mold is poured, the mixed slurry fixed point casting being stirred, pouring temperature
It is 35 ~ 45 DEG C；
Wherein in above-mentioned step seven, pouring rear mold, just feeding room carries out initial set of getting angry with carrier chain push-in, and room temperature is 50 ~ 70
DEG C, just the feeding time is 1 ~ 2h.
Wherein in above-mentioned step eight, after first support, when the conversion poured is also not dry solidifying, using extrusion die,
Brick is squeezed and is punched, the moulding of brick is completed.
Wherein in above-mentioned step nine, after squeezing moulding, cooling is placed, after cooling, mold left-hand thread is completed de-
Mould is placed on baking in stove, and baking temperature is 200 ~ 300 DEG C, toasts 12h, completes preparation.
Further, described in above-mentioned step four, in mixed pulp, flyash and lime are prepared into mud respectively
Pulpous state, reaching can be with the degree of wall built-up.
Further, described in above-mentioned step five, when being mixed, Wheat Straw is mixed with unclassified stores completely
It closes, since Wheat Straw is light, is not easy to mix.
Further, described in above-mentioned step six, before pouring, mold is preheated, causes mold to be heated swollen
It is swollen.
Further, described in above-mentioned step eight, after punching, when mould separating, it is detached from, is kept away using pneumatic
Deformation occurs for brick when exempting to demould.
Compared with prior art, the beneficial effects of the present invention are: using flyash and industrial slags and aggregate as primary raw material,
By coal ash 40 ~ 50%, gypsum 10 ~ 15%, lime 10 ~ 15%, aggregate 15 ~ 20%, Wheat Straw 5 ~ 10%, stabilizer 1 ~ 3%, adhesive 1 ~
3% proportion is chosen, material grinding according to material, and screening, Wheat Straw crush, and screening, metering, slurrying are stirred, pour, just
Support, punching and baking, environmentally friendly heat insulation type flyash brick be prepared by this preparation method, environmentally friendly heat insulation type flyash brick it is interior
Portion offers round and lower round in two sides up and down so that environmentally friendly heat insulation type flyash brick have anti-folding, resistance to compression, body it is light, it is heat-insulated, every
The features such as sound, appearance are good.
Detailed description of the invention
Fig. 1 is preparation technology flow chart of the invention；
Fig. 2 is overall structure diagram of the invention；
Fig. 3 is whole schematic cross-sectional view of the invention；
In figure: 1, brick ontology；2, upper round；3, lower round.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution:
Embodiment 1:
The preparation method of environmentally friendly heat insulation type flyash brick, including flyash, gypsum, lime, aggregate, Wheat Straw, stabilizer, bonding
The component proportion of agent and water, above-mentioned raw materials is flyash 43%, gypsum 13%, lime 13%, aggregate 17%, Wheat Straw 10%, is stablized
Agent 2%, adhesive 2% include the following steps: step 1, and material is chosen；Step 2, material grinding, screening；Step 3, Wheat Straw
It crushes, screening；Step 4, metering, slurrying；Step 5 is stirred；Step 6 pours；Step 7 is just supported；Step 8 is beaten
Hole, step 9, baking；
Wherein in above-mentioned step one, when choosing material, when choosing flyash, chooses and fire complete flyash, choose
Dry lime, gypsum, cement and Wheat Straw；
Wherein in above-mentioned step two, flyash is sent into ball mill through conveyer, it is levigate after flyash with conveyer send to
Laboratory sifter sieves flyash, guarantees that diameier in 10 ~ 30mm, is then fed into storage tank storage, lime is through through conveying
Machine is sent into ball mill, it is levigate after lime sent with conveyer to laboratory sifter, flyash is sieved, guarantee diameier 5 ~
10mm is sent into powder batch bin after levigate, and aggregate is crushed by pulverizer, then by screening machine screening, diameter 30 ~
50mm is sent into powder batch bin after levigate；
Wherein in above-mentioned step three, the Wheat Straw not rotted is chosen, pulverizer is put into, after crushing, passes through pulverizer
Sieve is screened, and diameter is sent into powder batch bin after levigate in 5 ~ 10mm；
Wherein in above-mentioned step four, by material according to flyash 43%, gypsum 13%, lime 13%, aggregate 17%, Wheat Straw
10%, stabilizer 2%, adhesive 2%, adhesive 1 ~ 3% ratio weigh, by flyash pour into slurry fill, carry out slurrying；
Wherein in above-mentioned step five, coal ash pulp and lime white are imported into blender, while gypsum, cement, aggregate is added
And Wheat Straw, in stirring, when stirring a length of 30 ~ 40min, and the internal temperature for controlling blender is maintained at 35 ~ 45 DEG C,
When preparing preceding 5 ~ 10min of casting, stabilizer and adhesive is added to blender, under the action of blender, stirring 5 ~
10min；
It wherein in above-mentioned step six, clears up mold is poured, the mixed slurry fixed point casting being stirred, pouring temperature
It is 35 ~ 45 DEG C；
Wherein in above-mentioned step seven, pouring rear mold, just feeding room carries out initial set of getting angry with carrier chain push-in, and room temperature is 50 ~ 70
DEG C, just the feeding time is 1 ~ 2h.
Wherein in above-mentioned step eight, after first support, when the conversion poured is also not dry solidifying, using extrusion die,
Brick is squeezed and is punched, the moulding of brick is completed.
Wherein in above-mentioned step nine, after squeezing moulding, cooling is placed, after cooling, mold left-hand thread is completed de-
Mould is placed on baking in stove, and baking temperature is 200 ~ 300 DEG C, toasts 12h, completes preparation.
Embodiment 2:
The preparation method of environmentally friendly heat insulation type flyash brick, including flyash, gypsum, lime, aggregate, Wheat Straw, stabilizer, bonding
The component proportion of agent and water, above-mentioned raw materials is flyash 45%, gypsum 13%, lime 13%, aggregate 17%, Wheat Straw 8%, stabilizer
2%, adhesive 2%, includes the following steps: step 1, and material is chosen；Step 2, material grinding, screening；Step 3, Wheat Straw powder
It is broken, screening；Step 4, metering, slurrying；Step 5 is stirred；Step 6 pours；Step 7 is just supported；Step 8, punching,
Step 9, baking；
Wherein in above-mentioned step one, when choosing material, when choosing flyash, chooses and fire complete flyash, choose
Dry lime, gypsum, cement and Wheat Straw；
Wherein in above-mentioned step two, flyash is sent into ball mill through conveyer, it is levigate after flyash with conveyer send to
Laboratory sifter sieves flyash, guarantees that diameier in 10 ~ 30mm, is then fed into storage tank storage, lime is through through conveying
Machine is sent into ball mill, it is levigate after lime sent with conveyer to laboratory sifter, flyash is sieved, guarantee diameier 5 ~
10mm is sent into powder batch bin after levigate, and aggregate is crushed by pulverizer, then by screening machine screening, diameter 30 ~
50mm is sent into powder batch bin after levigate；
Wherein in above-mentioned step three, the Wheat Straw not rotted is chosen, pulverizer is put into, after crushing, passes through pulverizer
Sieve is screened, and diameter is sent into powder batch bin after levigate in 5 ~ 10mm；
Wherein in above-mentioned step four, by material according to flyash 45%, gypsum 13%, lime 13%, aggregate 17%, Wheat Straw
8%, stabilizer 2%, adhesive 2%, adhesive 1 ~ 3% ratio weigh, by flyash pour into slurry fill, carry out slurrying；
Wherein in above-mentioned step five, coal ash pulp and lime white are imported into blender, while gypsum, cement, aggregate is added
And Wheat Straw, in stirring, when stirring a length of 30 ~ 40min, and the internal temperature for controlling blender is maintained at 35 ~ 45 DEG C,
When preparing preceding 5 ~ 10min of casting, stabilizer and adhesive is added to blender, under the action of blender, stirring 5 ~
10min；
It wherein in above-mentioned step six, clears up mold is poured, the mixed slurry fixed point casting being stirred, pouring temperature
It is 35 ~ 45 DEG C；
Wherein in above-mentioned step seven, pouring rear mold, just feeding room carries out initial set of getting angry with carrier chain push-in, and room temperature is 50 ~ 70
DEG C, just the feeding time is 1 ~ 2h.
Wherein in above-mentioned step eight, after first support, when the conversion poured is also not dry solidifying, using extrusion die,
Brick is squeezed and is punched, the moulding of brick is completed.
Wherein in above-mentioned step nine, after squeezing moulding, cooling is placed, after cooling, mold left-hand thread is completed de-
Mould is placed on baking in stove, and baking temperature is 200 ~ 300 DEG C, toasts 12h, completes preparation.
Embodiment 3:
The preparation method of environmentally friendly heat insulation type flyash brick, including flyash, gypsum, lime, aggregate, Wheat Straw, stabilizer, bonding
The component proportion of agent and water, above-mentioned raw materials is flyash 47%, gypsum 13%, lime 13%, aggregate 17%, Wheat Straw 6%, stabilizer
2%, adhesive 2%, adhesive 1 ~ 3%, include the following steps: step 1, and material is chosen；Step 2, material grinding, screening；Step
Three, Wheat Straw crushes, screening；Step 4, metering, slurrying；Step 5 is stirred；Step 6 pours；Step 7 is just supported；
Step 8, punching, step 9, baking；
Wherein in above-mentioned step one, when choosing material, when choosing flyash, chooses and fire complete flyash, choose
Dry lime, gypsum, cement and Wheat Straw；
Wherein in above-mentioned step two, flyash is sent into ball mill through conveyer, it is levigate after flyash with conveyer send to
Laboratory sifter sieves flyash, guarantees that diameier in 10 ~ 30mm, is then fed into storage tank storage, lime is through through conveying
Machine is sent into ball mill, it is levigate after lime sent with conveyer to laboratory sifter, flyash is sieved, guarantee diameier 5 ~
10mm is sent into powder batch bin after levigate, and aggregate is crushed by pulverizer, then by screening machine screening, diameter 30 ~
50mm is sent into powder batch bin after levigate；
Wherein in above-mentioned step three, the Wheat Straw not rotted is chosen, pulverizer is put into, after crushing, passes through pulverizer
Sieve is screened, and diameter is sent into powder batch bin after levigate in 5 ~ 10mm；
Wherein in above-mentioned step four, by material according to flyash 47%, gypsum 13%, lime 13%, aggregate 17%, Wheat Straw
6%, stabilizer 2%, adhesive 2%, adhesive 1 ~ 3% ratio weigh, by flyash pour into slurry fill, carry out slurrying；
Wherein in above-mentioned step five, coal ash pulp and lime white are imported into blender, while gypsum, cement, aggregate is added
And Wheat Straw, in stirring, when stirring a length of 30 ~ 40min, and the internal temperature for controlling blender is maintained at 35 ~ 45 DEG C,
When preparing preceding 5 ~ 10min of casting, stabilizer and adhesive is added to blender, under the action of blender, stirring 5 ~
10min；
It wherein in above-mentioned step six, clears up mold is poured, the mixed slurry fixed point casting being stirred, pouring temperature
It is 35 ~ 45 DEG C；
Wherein in above-mentioned step seven, pouring rear mold, just feeding room carries out initial set of getting angry with carrier chain push-in, and room temperature is 50 ~ 70
DEG C, just the feeding time is 1 ~ 2h.
Wherein in above-mentioned step eight, after first support, when the conversion poured is also not dry solidifying, using extrusion die,
Brick is squeezed and is punched, the moulding of brick is completed.
Wherein in above-mentioned step nine, after squeezing moulding, cooling is placed, after cooling, mold left-hand thread is completed de-
Mould is placed on baking in stove, and baking temperature is 200 ~ 300 DEG C, toasts 12h, completes preparation.
Each embodiment property comparison is as follows:
| Lime | Gypsum | Aggregate | Wheat Straw | Heat insulating ability | Heat-insulated character | |
| Embodiment 1 | 13% | 13% | 17% | 10% | It is excellent | It is excellent |
| Embodiment 2 | 13% | 13% | 17% | 8% | Well | Well |
| Embodiment 3 | 13% | 13% | 17% | 6% | It is good | It is good |
By above three embodiments, increasing with Wheat Straw is obtained, the air volume of block interiors can be increased, is improved
The thermal insulation and sound insulation value of building block, reach more excellent level.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
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 (5)
1. environmentally friendly heat insulation type flyash brick, including brick ontology (1), upper round (2) and lower round (3), the top of the brick ontology (1)
Offer inside side round (2), offered lower round (3) inside the bottom side of the brick ontology (1), the upper round (2) and
Lower round (3) is that dislocation opens up up and down；
The preparation method of environmentally friendly heat insulation type flyash brick, including flyash, gypsum, lime, aggregate, Wheat Straw, stabilizer, bonding
The component proportion of agent and water, above-mentioned raw materials is, coal ash 40~50%, gypsum 10~15%, lime 10~15%, aggregate 15~
20%, Wheat Straw 5~10%, stabilizer 1~3%, adhesive 1~3%, include the following steps: step 1, and material is chosen；Step
Rapid two, material grinding, screening；Step 3, Wheat Straw crush, screening；Step 4, metering, slurrying；Step 5 is stirred；Step
Rapid six, it pours；Step 7 is just supported；Step 8, punching, step 9, baking, it is characterised in that:
Wherein in above-mentioned step one, when choosing material, when choosing flyash, chooses and fire complete flyash, choose
Dry lime, gypsum, cement and Wheat Straw；
Wherein in above-mentioned step two, flyash is sent into ball mill through conveyer, it is levigate after flyash with conveyer send to
Laboratory sifter sieves flyash, guarantees that diameier in 10~30mm, is then fed into storage tank storage, lime is through through defeated
Send machine be sent into ball mill, it is levigate after lime sent with conveyer to laboratory sifter, to flyash sieve, guarantee diameier exist
5~10mm is sent into powder batch bin after levigate, and aggregate is crushed by pulverizer, is then sieved by screening machine, diameter is 30
~50mm is sent into powder batch bin after levigate；
Wherein in above-mentioned step three, the Wheat Straw not rotted is chosen, pulverizer is put into, after crushing, passes through pulverizer
Sieve is screened, and diameter is sent into powder batch bin after levigate in 5~10mm；
Wherein in above-mentioned step four, by material according to coal ash 40~50%, gypsum 10~15%, lime 10~15%, bone
Material 15~20%, Wheat Straw 5~10%, stabilizer 1~3%, adhesive 1~3% ratio weigh, flyash is poured into slurry
It fills, carries out slurrying；
Wherein in above-mentioned step five, coal ash pulp and lime white are imported into blender, while gypsum, cement, aggregate is added
And Wheat Straw, in stirring, when stirring a length of 30~40min, and the internal temperature for controlling blender is maintained at 35~45 DEG C,
In 5~10min before preparing casting, stabilizer and adhesive is added to blender, under the action of blender, stirring 5~
10min；
It wherein in above-mentioned step six, clears up mold is poured, the mixed slurry fixed point casting being stirred, pouring temperature
It is 35~45 DEG C；
Wherein in above-mentioned step seven, pouring rear mold and be pushed into just feeding room with carrier chain and carry out initial set of getting angry, room temperature is 50~
70 DEG C, just the feeding time is 1~2h.
Wherein in above-mentioned step eight, after first support, when the conversion poured is also not dry solidifying, using extrusion die, to brick
Block squeezes punching, completes the moulding of brick.
Wherein in above-mentioned step nine, after squeezing moulding, cooling is placed, after cooling, by mold left-hand thread, completes demoulding,
It is placed on baking in stove, baking temperature is 200~300 DEG C, toasts 12h, completes preparation.
2. environmental protection heat insulation type flyash brick according to claim 2, it is characterised in that: it is described in above-mentioned step four,
In mixed pulp, flyash and lime are prepared into muddy respectively, reaching can be with the degree of wall built-up.
3. environmental protection heat insulation type flyash brick according to claim 2, it is characterised in that: it is described in above-mentioned step five,
When being mixed, Wheat Straw is mixed with unclassified stores completely, since Wheat Straw is light, is not easy to mix.
4. environmental protection heat insulation type flyash brick according to claim 2, it is characterised in that: it is described in above-mentioned step six,
Before pouring, mold is preheated, causes mold expanded by heating.
5. environmental protection heat insulation type flyash brick according to claim 2, it is characterised in that: it is described in above-mentioned step eight,
It after punching, when mould separating, is detached from using pneumatic, deformation occurs for brick when avoiding demoulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811567688.6A CN109809780A (en) | 2018-12-21 | 2018-12-21 | Environmentally friendly heat insulation type flyash brick and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811567688.6A CN109809780A (en) | 2018-12-21 | 2018-12-21 | Environmentally friendly heat insulation type flyash brick and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109809780A true CN109809780A (en) | 2019-05-28 |
Family
ID=66601812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811567688.6A Pending CN109809780A (en) | 2018-12-21 | 2018-12-21 | Environmentally friendly heat insulation type flyash brick and preparation method thereof |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110451910A (en) * | 2019-09-05 | 2019-11-15 | 徐州永腾建材有限公司 | A kind of manufacturing method for hardening flyash brick |
-
2018
- 2018-12-21 CN CN201811567688.6A patent/CN109809780A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110451910A (en) * | 2019-09-05 | 2019-11-15 | 徐州永腾建材有限公司 | A kind of manufacturing method for hardening flyash brick |
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Application publication date: 20190528 |