CN108033748A - A kind of building block based on boron gypsum and preparation method thereof - Google Patents
A kind of building block based on boron gypsum and preparation method thereof Download PDFInfo
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- CN108033748A CN108033748A CN201711203923.7A CN201711203923A CN108033748A CN 108033748 A CN108033748 A CN 108033748A CN 201711203923 A CN201711203923 A CN 201711203923A CN 108033748 A CN108033748 A CN 108033748A
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- building block
- water
- boron
- block based
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/142—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The invention discloses a kind of building block based on boron gypsum and preparation method thereof.It is this to be made of based on the building block of boron gypsum the raw material of following mass parts：50~60 parts of boron gypsums, 20~25 parts of cement, 15~20 parts of slag powders, 0.02~0.03 part of aluminium hydroxide micro powder, 0.2~0.3 part of lignocellulosic, 0.2~0.3 part of water-reducing agent, 2~3 parts of foaming agents and 40~45 parts of water.The preparation method of this building block based on boron gypsum is also disclosed that at the same time.The present invention is directed to the requirement of concrete segment; a kind of foam concrete block using boron gypsum as primary raw material is have developed, the boron gypsum of bulk deposition on the premise of concrete segment requirement is met, can be consumed; be conducive to environmental protection, and realize certain economic benefit.
Description
Technical field
The present invention relates to a kind of building block based on boron gypsum and preparation method thereof.
Background technology
At present, many cementitious materials are all with gypsum (CaSO4·2H2O) calcium sulfate partly or entirely generated after aquation is
Necessary component.The waste gypsum recycled from all types of industries is referred to as chemical gypsum, such as ardealite and boron gypsum.
Boron gypsum is the solid slag produced after boric acid.The solid slag obtained from boric acid factory contains boron gypsum and some are miscellaneous
Matter, boron gypsum is mainly by CaSO4·2H2O and about 11% B2O3Composition.B in this waste residue2O3Often result in serious ring
Border problem, the especially pollution to water, so, the recycling for boron gypsum is significant.How boron gypsum is largely digested,
Mitigate the environmental protection pressure of boric acid factory, and combine the regeneration of resource, reach and meet the needs of market and the economic effect of realization
The purpose of benefit, becomes the research topic of one urgent need to resolve in this area.
The content of the invention
It is an object of the invention to provide a kind of building block based on boron gypsum and preparation method thereof.
The technical solution used in the present invention is：
A kind of building block based on boron gypsum, is made of the raw material of following mass parts：50~60 parts of boron gypsums, 20~25 parts
Cement, 15~20 parts of slag powders, 0.02~0.03 part of aluminium hydroxide micro powder, 0.2~0.3 part of lignocellulosic, 0.2~0.3 part
Water-reducing agent, 2~3 parts of foaming agents and 40~45 parts of water.
Cement is Portland cement.
Slag powders are ground granulated blast furnace slag.
Water-reducing agent is lignin sulfonate water-reducing agent, naphthalene water reducer, melamine system water reducer, sulfamate system
At least one of water-reducing agent, fatty acid series water-reducing agent, poly carboxylic acid series water reducer.
Foaming agent is made of the raw material of following mass parts：48~52 parts of Tea Saponins, 18~22 parts of lauryl sodium sulfate, 8
~12 parts of polyethylene glycol, 8~12 parts of gelatin and 8~12 parts of carboxymethyl celluloses.
A kind of preparation method of above-mentioned building block based on boron gypsum, comprises the following steps：
1) boron gypsum, cement, slag powders, aluminium hydroxide micro powder and lignocellulosic are mixed in blender；
2) water-reducing agent and water are added, stirs into slurry；
3) foaming agent stirring is added, discharges and injects mould；
4) after material foaming, mould is placed in curing box and is conserved, demoulded, be further continued for natural curing, it is mixed to obtain foaming
Solidifying earth building blocks.
In step 1), speed of agitator is 200~400r/min, and mixing time is 2~4min.
In step 2), speed of agitator is 500~800r/min, and mixing time is 1~3min.
In step 3), speed of agitator is 500~800r/min, and mixing time is 1~2min.
In step 4), the time of material foaming is 1~2h；Curing box maintenance condition be：Temperature is 18~22 DEG C, relatively
Humidity 45~55%, curing time 3~4 days.
The beneficial effects of the invention are as follows：
The present invention is directed to the requirement of building block, have developed a kind of building block using boron gypsum as primary raw material, can meet
On the premise of concrete segment requirement, the boron gypsum of bulk deposition is consumed, is conducive to environmental protection, and realizes certain economic effect
Benefit.
Embodiment
A kind of building block based on boron gypsum, is made of the raw material of following mass parts：50~60 parts of boron gypsums, 20~25 parts
Cement, 15~20 parts of slag powders, 0.02~0.03 part of aluminium hydroxide micro powder, 0.2~0.3 part of lignocellulosic, 0.2~0.3 part
Water-reducing agent, 2~3 parts of foaming agents and 40~45 parts of water.
Preferably, a kind of building block based on boron gypsum, is made of the raw material of following mass parts：50~58 parts of boron gypsums,
20~24 parts of cement, 15~19 parts of slag powders, 0.02~0.03 part of aluminium hydroxide micro powder, 0.2~0.3 part of lignocellulosic, 0.2
~0.3 part of water-reducing agent, 2~3 parts of foaming agents and 40~44 parts of water.
Preferably, cement is Portland cement；It is further preferred that cement is 42.5 or 42.5R grades of common silicic acid
The one of which of salt cement.
Preferably, slag powders are ground granulated blast furnace slag；It is further preferred that slag powders are S95 grades or S105 grades of blast-furnace cinders
The one of which of powder.
Preferably, water-reducing agent is lignin sulfonate water-reducing agent, naphthalene water reducer, melamine system water reducer, amino
At least one of sulfonate based water reducer, fatty acid series water-reducing agent, poly carboxylic acid series water reducer.
Preferably, foaming agent is made of the raw material of following mass parts：48~52 parts of Tea Saponins, 18~22 parts of dodecyl sulphur
Sour sodium, 8~12 parts of polyethylene glycol, 8~12 parts of gelatin and 8~12 parts of carboxymethyl celluloses；It is further preferred that foaming agent by with
The raw material composition of lower mass parts：50 parts of Tea Saponins, 20 parts of lauryl sodium sulfate, 10 parts of polyethylene glycol, 10 parts of gelatin and 10 parts
Carboxymethyl cellulose.
Further, foaming agent is by 50 mass parts Tea Saponins, 20 mass parts lauryl sodium sulfate, the poly- second of 10 mass parts
What glycol, 10 mass parts gelatin and 10 mass parts carboxymethyl celluloses were mixed at normal temperatures.
A kind of preparation method of above-mentioned building block based on boron gypsum, comprises the following steps：
1) boron gypsum, cement, slag powders, aluminium hydroxide micro powder and lignocellulosic are mixed in blender；
2) water-reducing agent and water are added, stirs into slurry；
3) foaming agent stirring is added, discharges and injects mould；
4) after material foaming, mould is placed in curing box and is conserved, demoulded, be further continued for natural curing, it is mixed to obtain foaming
Solidifying earth building blocks.
Preferably, in step 1), speed of agitator is 200~400r/min, and mixing time is 2~4min.
Preferably, in step 2), speed of agitator is 500~800r/min, and mixing time is 1~3min.
Preferably, in step 3), speed of agitator is 500~800r/min, and mixing time is 1~2min.
Preferably, in step 4), the time of material foaming is 1~2h.
Preferably, in step 4), the condition of curing box maintenance is：Temperature is 18~22 DEG C, and relative humidity 45~55%, is supported
Protect 3~4 days time；It is further preferred that in step 4), the condition of curing box maintenance is：Temperature is 18~22 DEG C, relative humidity
50%, curing time 3 days.
Preferably, in step 4), the time of natural curing is 7~28 days.
Present disclosure is described in further detail below by way of specific embodiment.
Embodiment 1：
The building block based on boron gypsum of embodiment 1, its composition and ratio are as shown in table 1.
The concrete segment composition of 1 embodiment 1 of table
| Raw material | Mass parts |
| Boron gypsum | 50 |
| Cement | 20 |
| Slag powders | 15 |
| Aluminium hydroxide micro powder | 0.02 |
| Lignocellulosic | 0.2 |
| Water-reducing agent | 0.2 |
| Foaming agent | 2 |
| Water | 40 |
Wherein, boron gypsum chemical composition used is：B2O3Content is 11.26wt%, CaO content 28.80wt%,
SiO2Content is 8.98wt%, content of MgO 1.70wt%, Fe2O3Content is 0.65wt%, SO3Content is 44.16wt%,
Al2O3Content is 1.50wt%, remaining is loss on ignition；Cement is 42.54 grades of Portland cements；Slag powders are S95 grades of blast furnaces
Slag powders；Water-reducing agent is lignin sulfonate water-reducing agent；Foaming agent is made of the raw material of following mass parts：50 parts of Tea Saponins,
20 parts of lauryl sodium sulfate, 10 parts of polyethylene glycol, 10 parts of gelatin and 10 parts of carboxymethyl celluloses.
The preparation method of 1 building block of embodiment is：
1) by boron gypsum, cement, slag powders, aluminium hydroxide micro powder and lignocellulosic are in blender, in 300r/min
Lower mixing 3min；2) water-reducing agent and water are added, 2min is stirred under 600r/min into slurry；3) foaming agent is added to exist
700r/min stirs 1min, discharges and injects mould；4) after waiting material foaming 1.5h, mould is placed in curing box (temperature 20
± 2 DEG C, relative humidity 50%) in maintenance 3 days, the demoulding, then continue natural curing 7 days and 28 days respectively respectively obtains nature and supports
The shield foam concrete block of 7 days and 28 days.
Embodiment 2：
The building block based on boron gypsum of embodiment 2, its composition and ratio are as shown in table 2.
The building block composition of 2 embodiment 2 of table
| Raw material | Mass parts |
| Boron gypsum | 52 |
| Cement | 21 |
| Slag powders | 16 |
| Aluminium hydroxide micro powder | 0.02 |
| Lignocellulosic | 0.2 |
| Water-reducing agent | 0.2 |
| Foaming agent | 2 |
| Water | 41 |
Raw material and specific preparation method and embodiment 1 used in it is identical.
Embodiment 3：
The building block based on boron gypsum of embodiment 3, its composition and ratio are as shown in table 3.
The building block composition of 3 embodiment 3 of table
Raw material and specific preparation method and embodiment 1 used in it is identical.
Embodiment 4：
The building block based on boron gypsum of embodiment 4, its composition and ratio are as shown in table 4.
The building block composition of 4 embodiment 4 of table
| Raw material | Mass parts |
| Boron gypsum | 56 |
| Cement | 23 |
| Slag powders | 18 |
| Aluminium hydroxide micro powder | 0.03 |
| Lignocellulosic | 0.3 |
| Water-reducing agent | 0.3 |
| Foaming agent | 3 |
| Water | 43 |
Raw material and specific preparation method and embodiment 1 used in it is identical.
Embodiment 5：
The building block based on boron gypsum of embodiment 5, its composition and ratio are as shown in table 5.
The building block composition of 5 embodiment 5 of table
| Raw material | Mass parts |
| Boron gypsum | 58 |
| Cement | 24 |
| Slag powders | 19 |
| Aluminium hydroxide micro powder | 0.03 |
| Lignocellulosic | 0.3 |
| Water-reducing agent | 0.3 |
| Foaming agent | 3 |
| Water | 44 |
Raw material and specific preparation method and embodiment 1 used in it is identical.
1~5 preparation-obtained building block its performance test results of embodiment are as shown in table 6, its test method is pressed《GB/
T4111-2013 concrete segments and brick test method》Method shown in Appendix B carries out.
The performance test results of 6 embodiment building block of table
Earth building blocks as obtained by being prepared to embodiment 1~5 are tested for the property, the results showed that building block of the invention can be with
Meet that 7 days intensity of current concrete segment is more than the requirement of 3MPa.
Claims (10)
- A kind of 1. building block based on boron gypsum, it is characterised in that：It is made of the raw material of following mass parts：50~60 parts of boron gypsums, 20~25 parts of cement, 15~20 parts of slag powders, 0.02~0.03 part of aluminium hydroxide micro powder, 0.2~0.3 part of lignocellulosic, 0.2 ~0.3 part of water-reducing agent, 2~3 parts of foaming agents and 40~45 parts of water.
- A kind of 2. building block based on boron gypsum according to claim 1, it is characterised in that：Cement is normal silicate water Mud.
- A kind of 3. building block based on boron gypsum according to claim 1, it is characterised in that：Slag powders are ground granulated blast furnace slag.
- A kind of 4. building block based on boron gypsum according to claim 1, it is characterised in that：Water-reducing agent is lignosulfonates Class water-reducing agent, naphthalene water reducer, melamine system water reducer, sulfamate based water reducer, fatty acid series water-reducing agent, polycarboxylic acids At least one of based water reducer.
- A kind of 5. building block based on boron gypsum according to claim 1, it is characterised in that：Foaming agent is by following mass parts Raw material forms：48~52 parts of Tea Saponins, 18~22 parts of lauryl sodium sulfate, 8~12 parts of polyethylene glycol, 8~12 parts of gelatin and 8 ~12 parts of carboxymethyl celluloses.
- A kind of 6. preparation method of the building block based on boron gypsum described in claim 1, it is characterised in that：Comprise the following steps：1) boron gypsum, cement, slag powders, aluminium hydroxide micro powder and lignocellulosic are mixed in blender；2) water-reducing agent and water are added, stirs into slurry；3) foaming agent stirring is added, discharges and injects mould；4) after material foaming, mould is placed in curing box and is conserved, demoulded, be further continued for natural curing, obtain foamed concrete Building block.
- A kind of 7. preparation method of building block based on boron gypsum according to claim 6, it is characterised in that：In step 1), Speed of agitator is 200~400r/min, and mixing time is 2~4min.
- A kind of 8. preparation method of building block based on boron gypsum according to claim 6, it is characterised in that：In step 2), Speed of agitator is 500~800r/min, and mixing time is 1~3min.
- A kind of 9. preparation method of building block based on boron gypsum according to claim 6, it is characterised in that：In step 3), Speed of agitator rate is 500~800r/min, and mixing time is 1~2min.
- A kind of 10. preparation method of building block based on boron gypsum according to claim 6, it is characterised in that：In step 4), The time of material foaming is 1~2h；Curing box maintenance condition be：Temperature is 18~22 DEG C, relative humidity 45~55%, maintenance 3~4 days time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711203923.7A CN108033748A (en) | 2017-11-27 | 2017-11-27 | A kind of building block based on boron gypsum and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711203923.7A CN108033748A (en) | 2017-11-27 | 2017-11-27 | A kind of building block based on boron gypsum and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108033748A true CN108033748A (en) | 2018-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711203923.7A Pending CN108033748A (en) | 2017-11-27 | 2017-11-27 | A kind of building block based on boron gypsum and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106518153A (en) * | 2016-10-31 | 2017-03-22 | 同济大学 | Foamed concrete building block mainly prepared from phosphogypsum hydraulic composite binding material and preparation method thereof |
-
2017
- 2017-11-27 CN CN201711203923.7A patent/CN108033748A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106518153A (en) * | 2016-10-31 | 2017-03-22 | 同济大学 | Foamed concrete building block mainly prepared from phosphogypsum hydraulic composite binding material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 刘文长等: "《水泥化学检验工及化学分析工》", 31 October 2013, 中国建材工业出版社 * |
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Application publication date: 20180515 |