CN106277878A - A kind of gangue building waste haydite and preparation method thereof - Google Patents
A kind of gangue building waste haydite and preparation method thereof Download PDFInfo
- Publication number
- CN106277878A CN106277878A CN201610654773.0A CN201610654773A CN106277878A CN 106277878 A CN106277878 A CN 106277878A CN 201610654773 A CN201610654773 A CN 201610654773A CN 106277878 A CN106277878 A CN 106277878A
- Authority
- CN
- China
- Prior art keywords
- building waste
- gangue
- haydite
- parts
- waste
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/027—Lightweight materials
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention discloses a kind of gangue building waste haydite belonging to construction material preparing technical field and preparation method thereof.It is made up of the material of following parts by weight: gangue 100 parts, building waste 150 600 parts, silicon ash 5 10 parts, alkali-activator 1.5 8.0 parts, additive 0.05 1.0 parts, 10 25 parts of water.Gangue building waste haydite moulding process of the present invention is simple, it is not necessary to high-temperature calcination, and low-carbon (LC), environmental protection, energy consumption are low, mostly are class zeolite shape hydrated product inside it, light weight porous and also intensity is high.Gangue building waste haydite is rounded, rough surface and hard, there is trickle pore inside, has the advantages such as raw material sources extensive, light weight, apparent density are little, the high and low contraction of intensity, anti-carbonation, good endurance, high temperature resistant, good heat insulating, water resistance are good.
Description
Technical field
The invention belongs to construction material preparing technical field, be specifically related to a kind of gangue building waste haydite and preparation thereof
Method.
Background technology
Along with industrialization, the acceleration of urbanization process, building industry is the most fast-developing, with this together be building waste day by day
Increasing, a large amount of building wastes not only occupy soil, and bring severe contamination to human habitat.According to statistics, I
The every annual meeting of state increases building waste more than 4,000 ten thousand tons newly, and the quantity of building waste has accounted for more than the 1/3 of municipal refuse total amount, its
Middle concrete construction rubbish has accounted for again more than the 40% of building waste.This phenomenon has been obtained for the extensive pass of the whole society
Note.Land resource is not only wasted in storing up for a long time of building waste, easily produces potential safety hazard, is unfavorable for the sustainable development of resource
Recycling with resource；And the heap of building waste is released and can be polluted water resource, has influence on air quality, and then
Directly influence the living environment of the mankind.
Meanwhile, the high-rise frame structure building of China's fast development does not require nothing more than materials for wall high-strength light, simultaneously
Frame structure to load-bearing it is also proposed the requirement of high-strength light.Haydite as the aggregate of a kind of high-strength light, have unit weight little,
Intensity is high, particle diameter can divide the features such as multistage, hole is abundant, is just meeting the needs of modern architecture industry, and it replaces stone as coagulation
Aggregate in soil, alleviates the 30% of fabric structure weight, improves the economic and technical norms of other side, and for carrying
The shock resistance of high constructure is significant, and currently used haydite need to through 900-1100 DEG C of high-temperature calcination, energy consumption is high,
Environment counter productive is notable, therefore, seeks more preferably Artistic value spoil building waste baking-free ceramicite further and becomes a reality
Required.
Patent CN201110352340.7 discloses a kind of unburned spheroidal attapulgite building rubbish ceramic grain, unburned spheroidal
The dispensing of attapulgite construction waste ceramsite is made up of following component by weight percentage: high viscous attapulgite clay powder 2～15%,
Attapulgite clay mine tailing 5～25%, building waste powder 35～65%, red bentonite in powder 1～15%, kieselguhr mine tailing
1～15% and cement 5～25%；The production method of described unburned spheroidal attapulgite building rubbish ceramic grain: (1) is by unburned ball
The dispensing of shape attapulgite construction waste ceramsite inputs granulating disc pelletize after adding stirrer for mixing, and particle diameter controls
3～30 millimeters；(2) granule after pelletize is transported to concrete curing indoor and carries out the conventional maintenance 28 days of cement products, pass through
Unburned spheroidal attapulgite building rubbish ceramic grain it is packaged as after screening.Its major gelled material is the cement of >=42.5 grades, belongs to
In traditional material, it is unfavorable for energy-conserving and environment-protective；The routine that burning spherical attapulgite construction waste ceramsite needs 28 days after the pelletizing is supported
Protect, in production process store, turn around time oversize.
Summary of the invention
It is an object of the invention to provide a kind of gangue building waste haydite and preparation method thereof.
A kind of gangue building waste haydite, is made up of the material of following parts by weight: gangue 100 parts, building waste
150-600 part, silicon ash 5-10 part, alkali-activator 1.5-8.0 part, additive 0.05-1.0 part, water 10-25 part.
Described gangue specific surface area >=350cm2/g。
Described alkali-activator is one or more in Calx, sodium silicate, dihydrate gypsum.
Described additive is organic silicon emulsion and hydroxypropyl methyl cellulose is combined formulated.
Described building waste is one or more in waste concrete, useless brick, waste marble and waste mortar.
The preparation method of above-mentioned gangue building waste haydite, is carried out in accordance with the following steps:
(1) building waste is less than 100 millimeters through large-scale broken hammer or crusher in crushing to particle diameter, then uses stone pulverizing
Machine carries out being crushed to fineness of the particles less than 0.1mm；
(2) material is sequentially added into stirring according to water, exciting agent, additive, silicon ash, gangue, the order of building waste
Machine stirs 3-5min；
(3) by the mixing material input granulating disc pelletize after stirring, particle diameter controls 1～30mm；
(4) granule after pelletize is transported to maintenance 1-7 days in temperature 20-50 DEG C, relative humidity 70-90% environment, makes
Haydite.
Beneficial effects of the present invention: raw material of the present invention uses industrial residue and building waste, solid waste utilization rate is high, produce into
This is low, it is possible to turns waste into wealth, not only achieves the recycling of the solid waste such as building waste, gangue, improve enterprise
Industry income, the problem of environmental pollution the most also brought by solid waste has searched out new outlet.Gangue building waste
Haydite moulding process is simple, it is not necessary to high-temperature calcination, and low-carbon (LC), environmental protection, energy consumption are low.Curing cycle is short, and maintenance just can make after 1-7 days
With, production efficiency is high.Binder Materials is alkali-activated carbonatite gangue Binder Materials, is different from traditional dense form water mudrock structure, its
Inside mostly is class zeolite shape hydrated product, light weight porous and also intensity is high.Gangue building waste haydite is rounded, and surface is thick
Rough and hard, there is trickle pore inside, have raw material sources extensively, light weight, apparent density be little, the high and low contraction of intensity, anti-carbon
The advantages such as change, good endurance, high temperature resistant, good heat insulating, water resistance are good.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be further described.
Embodiment 1
A kind of gangue building waste haydite, is made up of the material of following parts by weight: gangue 100 parts, building waste
300 parts, silicon ash 8 parts, alkali-activator 4 parts, additive 0.5 part, 18 parts of water.Gangue specific surface area >=350cm2/g.Alkalescence
Exciting agent be Calx, sodium silicate, dihydrate gypsum according to mass ratio 1:1:1 configuration form.Additive is organic silicon emulsion and hydroxyl
Propyl methocel is combined formulated.Building waste is that waste concrete, useless brick, waste marble, waste mortar are according to mass ratio
1:1:1:1 configuration forms.
The preparation method of above-mentioned gangue building waste haydite, is carried out in accordance with the following steps:
(1) building waste is less than 100 millimeters through large-scale broken hammer or crusher in crushing to particle diameter, then uses stone pulverizing
Machine carries out being crushed to fineness of the particles less than 0.1mm；
(2) material is sequentially added into stirring according to water, exciting agent, additive, silicon ash, gangue, the order of building waste
Machine stirs 4min；
(3) by the mixing material input granulating disc pelletize after stirring, particle diameter controls 1～30mm；
(4) granule after pelletize is transported to maintenance 6 days in temperature 35 DEG C, relative humidity 80% environment, makes haydite.
Haydite bulk density prepared by the present embodiment is 233Kg/m3；Cylindrical compress strength: 1.71MPa；Water absorption rate :≤8%.
Embodiment 2
A kind of gangue building waste haydite, is made up of the material of following parts by weight: gangue 100 parts, building waste
150 parts, silicon ash 5 parts, alkali-activator 1.5 parts, additive 0.05 part, 10 parts of water.Gangue specific surface area >=350cm2/g.Alkali
Property exciting agent be Calx, sodium silicate, dihydrate gypsum according to mass ratio 1:1:1 configuration form.Additive be organic silicon emulsion and
Hydroxypropyl methyl cellulose is combined formulated.Building waste is that waste concrete, useless brick, waste marble, waste mortar are according to quality
Form than 1:1:1:1 configuration.
The preparation method of above-mentioned gangue building waste haydite, is carried out in accordance with the following steps:
(1) building waste is less than 100 millimeters through large-scale broken hammer or crusher in crushing to particle diameter, then uses stone pulverizing
Machine carries out being crushed to fineness of the particles less than 0.1mm；
(2) material is sequentially added into stirring according to water, exciting agent, additive, silicon ash, gangue, the order of building waste
Machine stirs 3min；
(3) by the mixing material input granulating disc pelletize after stirring, particle diameter controls 1～30mm；
(4) granule after pelletize is transported to maintenance 1 day in temperature 20 DEG C, relative humidity 70% environment, makes haydite.
Haydite bulk density prepared by the present embodiment is 234Kg/m3；Cylindrical compress strength: 1.72MPa；Water absorption rate :≤8%.
Embodiment 3
A kind of gangue building waste haydite, is made up of the material of following parts by weight: gangue 100 parts, building waste
600 parts, silicon ash 10 parts, alkali-activator 8.0 parts, additive 1.0 parts, 25 parts of water.Gangue specific surface area >=350cm2/g.Alkali
Property exciting agent be Calx, sodium silicate, dihydrate gypsum according to mass ratio 1:1:1 configuration form.Additive be organic silicon emulsion and
Hydroxypropyl methyl cellulose is combined formulated.Building waste is that waste concrete, useless brick, waste marble, waste mortar are according to quality
Form than 1:1:1:1 configuration.
The preparation method of above-mentioned gangue building waste haydite, is carried out in accordance with the following steps:
(1) building waste is less than 100 millimeters through large-scale broken hammer or crusher in crushing to particle diameter, then uses stone pulverizing
Machine carries out being crushed to fineness of the particles less than 0.1mm；
(2) material is sequentially added into stirring according to water, exciting agent, additive, silicon ash, gangue, the order of building waste
Machine stirs 5min；
(3) by the mixing material input granulating disc pelletize after stirring, particle diameter controls 1～30mm；
(4) granule after pelletize is transported to maintenance 7 days in temperature 50 C, relative humidity 90% environment, makes haydite.
Haydite bulk density prepared by the present embodiment is 241Kg/m3；Cylindrical compress strength: 1.81MPa；Water absorption rate :≤8%.
Embodiment 4
A kind of gangue building waste haydite, is made up of the material of following parts by weight: gangue 100 parts, building waste
300 parts, silicon ash 8 parts, 1 part of Cortex zelkovae schneideriane powder, alkali-activator 4 parts, additive 0.5 part, 18 parts of water.Gangue specific surface area >=
350cm2/g.Alkali-activator be Calx, sodium silicate, dihydrate gypsum according to mass ratio 1:1:1 configuration form.Additive is for having
Machine silicon emulsion and hydroxypropyl methyl cellulose are combined formulated.Building waste is waste concrete, useless brick, waste marble, antiquated sand
Starch and form according to mass ratio 1:1:1:1 configuration.Described Cortex zelkovae schneideriane powder, preparation method thereof is as follows: collects the stem and leaf of beech tree, dries, wear into
Powder, crosses 200 mesh sieves and makes.
The preparation method of above-mentioned gangue building waste haydite, is carried out in accordance with the following steps:
(1) building waste is less than 100 millimeters through large-scale broken hammer or crusher in crushing to particle diameter, then uses stone pulverizing
Machine carries out being crushed to fineness of the particles less than 0.1mm；
(2) by material according to water, Cortex zelkovae schneideriane powder, exciting agent, additive, silicon ash, gangue, building waste order successively
Add and blender stirs 4min；
(3) by the mixing material input granulating disc pelletize after stirring, particle diameter controls 1～30mm；
(4) granule after pelletize is transported to maintenance 6 days in temperature 35 DEG C, relative humidity 80% environment, makes haydite.
Haydite bulk density prepared by the present embodiment is 633Kg/m3；Cylindrical compress strength: 5.61MPa；Water absorption rate :≤8%.
Embodiment 5
A kind of gangue building waste haydite, is made up of the material of following parts by weight: gangue 100 parts, building waste
300 parts, silicon ash 8 parts, Broussonetia papyrifera corium farinosum 1 part, alkali-activator 4 parts, additive 0.5 part, 18 parts of water.Gangue specific surface area >=
350cm2/g.Alkali-activator be Calx, sodium silicate, dihydrate gypsum according to mass ratio 1:1:1 configuration form.Additive is for having
Machine silicon emulsion and hydroxypropyl methyl cellulose are combined formulated.Building waste is waste concrete, useless brick, waste marble, antiquated sand
Starch and form according to mass ratio 1:1:1:1 configuration.Described tapa powder, preparation method thereof is as follows: collects tapa, dries, grinds
End, crosses 200 mesh sieves and makes.
The preparation method of above-mentioned gangue building waste haydite, is carried out in accordance with the following steps:
(1) building waste is less than 100 millimeters through large-scale broken hammer or crusher in crushing to particle diameter, then uses stone pulverizing
Machine carries out being crushed to fineness of the particles less than 0.1mm；
(2) by material according to water, Broussonetia papyrifera corium farinosum, exciting agent, additive, silicon ash, gangue, building waste order successively
Add and blender stirs 4min；
(3) by the mixing material input granulating disc pelletize after stirring, particle diameter controls 1～30mm；
(4) granule after pelletize is transported to maintenance 6 days in temperature 35 DEG C, relative humidity 80% environment, makes haydite.
Haydite bulk density prepared by the present embodiment is 654Kg/m3；Cylindrical compress strength: 5.31MPa；Water absorption rate :≤8%.
Claims (6)
1. a gangue building waste haydite, it is characterised in that be made up of the material of following parts by weight: gangue 100 parts,
Building waste 150-600 part, silicon ash 5-10 part, alkali-activator 1.5-8.0 part, additive 0.05-1.0 part, water 10-25 part.
Gangue building waste haydite the most according to claim 1, it is characterised in that described gangue specific surface area >=
350cm2/g。
Gangue building waste haydite the most according to claim 1, it is characterised in that described alkali-activator is Calx, sodium
One or more in waterglass, dihydrate gypsum.
Gangue building waste haydite the most according to claim 1, it is characterised in that described additive be organic silicon emulsion and
Hydroxypropyl methyl cellulose is combined formulated.
Gangue building waste haydite the most according to claim 1, it is characterised in that described building waste be waste concrete,
One or more in useless brick, waste marble and waste mortar.
6. the preparation method of gangue building waste haydite described in claim 1, it is characterised in that carry out in accordance with the following steps:
(1) building waste is less than 100 millimeters through large-scale broken hammer or crusher in crushing to particle diameter, then enters with stone crusher
Row is crushed to fineness of the particles less than 0.1mm；
(2) material is sequentially added in blender according to water, exciting agent, additive, silicon ash, gangue, the order of building waste
Stirring 3-5min；
(3) by the mixing material input granulating disc pelletize after stirring, particle diameter controls 1～30mm；
(4) granule after pelletize is transported to maintenance 1-7 days in temperature 20-50 DEG C, relative humidity 70-90% environment, makes haydite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610654773.0A CN106277878A (en) | 2016-08-10 | 2016-08-10 | A kind of gangue building waste haydite and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610654773.0A CN106277878A (en) | 2016-08-10 | 2016-08-10 | A kind of gangue building waste haydite and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106277878A true CN106277878A (en) | 2017-01-04 |
Family
ID=57669481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610654773.0A Pending CN106277878A (en) | 2016-08-10 | 2016-08-10 | A kind of gangue building waste haydite and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106277878A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111825474A (en) * | 2019-04-15 | 2020-10-27 | 淮南东辰集团有限责任公司 | Coal gangue ceramsite and preparation method thereof |
| CN111825430A (en) * | 2019-04-15 | 2020-10-27 | 淮南东辰集团有限责任公司 | High-strength coal gangue ceramsite and preparation method thereof |
| CN113800948A (en) * | 2021-11-05 | 2021-12-17 | 安徽理工大学 | High-content manganese slag compound residue soil and coal-series waste high-strength porous heat-insulation ceramsite and preparation method thereof |
| CN114890701A (en) * | 2022-05-09 | 2022-08-12 | 成都理工大学 | Environment-friendly economical ceramsite for plateau building concrete and preparation method and application thereof |
| CN115925343A (en) * | 2023-01-04 | 2023-04-07 | 生物炭建材有限公司 | Long-acting stable curing industrial solid waste baking-free paving brick and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101274840A (en) * | 2007-12-27 | 2008-10-01 | 北京恒业村科技有限公司 | Baking-free ceramsite made from construction waste and manufacturing method thereof |
| CN102503281A (en) * | 2011-11-10 | 2012-06-20 | 许庆华 | Baking-free gravel attapulgite building garbage ceramsite |
| CN102515814A (en) * | 2011-11-10 | 2012-06-27 | 许庆华 | Unburned spheroidal attapulgite building rubbish ceramic grain |
| CN103951327A (en) * | 2014-04-09 | 2014-07-30 | 北京工业大学 | Waste sintered brick powder non-sintered ceramsite and preparation method |
| CN105016767A (en) * | 2015-08-18 | 2015-11-04 | 长沙鼎成新材料科技有限公司 | Light non-sintered ceramsite for road capital construction and preparing method thereof |
-
2016
- 2016-08-10 CN CN201610654773.0A patent/CN106277878A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101274840A (en) * | 2007-12-27 | 2008-10-01 | 北京恒业村科技有限公司 | Baking-free ceramsite made from construction waste and manufacturing method thereof |
| CN102503281A (en) * | 2011-11-10 | 2012-06-20 | 许庆华 | Baking-free gravel attapulgite building garbage ceramsite |
| CN102515814A (en) * | 2011-11-10 | 2012-06-27 | 许庆华 | Unburned spheroidal attapulgite building rubbish ceramic grain |
| CN103951327A (en) * | 2014-04-09 | 2014-07-30 | 北京工业大学 | Waste sintered brick powder non-sintered ceramsite and preparation method |
| CN105016767A (en) * | 2015-08-18 | 2015-11-04 | 长沙鼎成新材料科技有限公司 | Light non-sintered ceramsite for road capital construction and preparing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 闫振甲等编著: "《陶粒生产实用技术》", 30 September 2006 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111825474A (en) * | 2019-04-15 | 2020-10-27 | 淮南东辰集团有限责任公司 | Coal gangue ceramsite and preparation method thereof |
| CN111825430A (en) * | 2019-04-15 | 2020-10-27 | 淮南东辰集团有限责任公司 | High-strength coal gangue ceramsite and preparation method thereof |
| CN113800948A (en) * | 2021-11-05 | 2021-12-17 | 安徽理工大学 | High-content manganese slag compound residue soil and coal-series waste high-strength porous heat-insulation ceramsite and preparation method thereof |
| CN114890701A (en) * | 2022-05-09 | 2022-08-12 | 成都理工大学 | Environment-friendly economical ceramsite for plateau building concrete and preparation method and application thereof |
| CN115925343A (en) * | 2023-01-04 | 2023-04-07 | 生物炭建材有限公司 | Long-acting stable curing industrial solid waste baking-free paving brick and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105152609B (en) | Building brick prepared with the flying dust after consumer waste incineration or slag and preparation method thereof | |
| CN106186765A (en) | A kind of slag building waste haydite and preparation method thereof | |
| CN106277878A (en) | A kind of gangue building waste haydite and preparation method thereof | |
| CN102617107B (en) | Building silt soil non-sintered ceramic aggregate and preparation method thereof | |
| CN106193433A (en) | A kind of roll-forming gangue building waste sheet material | |
| CN106316246A (en) | Roll-formed alkali slag and building rubbish plate | |
| CN102161576A (en) | Light-weight aggregate and manufacturing method thereof | |
| CN108640547A (en) | A kind of iron tailings metakaolin base geological polymer and preparation method thereof | |
| CN106348662A (en) | Ceramsite with slag and building waste and method for preparing ceramsite | |
| CN101314530A (en) | Method for producing building material with low-temperature ceramic modified industry by-product gypsum | |
| CN103880464B (en) | Preparation process of concrete porous brick prepared from tubular pile residual slurry and waste incineration slag | |
| CN109485338A (en) | A kind of construction refuse regenerated aggregate pavement brick and preparation method thereof | |
| CN105036691A (en) | Method for preparing non-sintered ceramsite by adding dredged sludge | |
| CN101306929B (en) | Autoclaved Brick from high content construction garbage and production process thereof | |
| CN112341101B (en) | Light recycled concrete and preparation method thereof | |
| CN106167361A (en) | A kind of alkaline residue building waste haydite and preparation method thereof | |
| CN106587783A (en) | Concrete material prepared by utilizing wastes and preparation method of concrete material | |
| CN106431122A (en) | Rolling-formed fly ash-construction waste slab material | |
| CN106277977A (en) | A kind of roll-forming slag building waste sheet material | |
| CN101439952B (en) | Coal gangue concrete and preparation thereof | |
| CN106277976A (en) | A kind of roll-forming slag building waste sheet material | |
| CN106830792A (en) | Concrete mixed with useless brick and regeneration coarse aggregate and preparation method thereof | |
| CN107032725A (en) | A kind of construction wall insulation material and preparation method thereof | |
| CN103964789A (en) | Method for producing foamed concrete by using artificial stone plate waste | |
| CN104692686A (en) | High-performance autoclaved shell haydite prepared from calcium carbide mud residue and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |