CN107573007A - The preparation method and magnesium oxysulfide binder materials of magnesium oxysulfide binder materials handicraft - Google Patents
The preparation method and magnesium oxysulfide binder materials of magnesium oxysulfide binder materials handicraft Download PDFInfo
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Abstract
The purpose of the present invention is to be directed to solve in the prior art the not yet magnesium oxysulfide binder materials of suitable production process product, and the purpose based on refuse reclamation, the invention provides a kind of preparation method of magnesium oxysulfide binder materials handicraft and magnesium oxysulfide binder materials, belongs to magnesia artwork technical field.The preparation method includes 1）Mould is cleared up in mould inner surface brushing releasing agent；2）Prepare magnesium oxysulfide binder materials；3）Using applying paste cloth method craft articles in a mold.Handicraft prepared by this method is without maintenance, the g/cm of apparent density >=0.803, water absorption rate≤20.0%, moisture content≤12.0%, chlorion stripping quantity≤3.0%, rupture strength >=6.5MPa, compression strength >=30.0MPa, its coefficient of softing >=0.8, without damaged, cracking after 25 Frozen-thawed cycleds；And low-grade magnesite and other works, agricultural residue are taken full advantage of, reduce the cost of product.
Description
Technical field
The invention belongs to magnesia artwork technical field, more particularly to a kind of system of magnesium oxysulfide binder materials handicraft
Preparation Method and used magnesium oxysulfide binder materials.
Background technology
Product based on magnesium oxychloride cementing material has correlative study at present, and it is that one kind has higher-strength performance
Air hardening cementitious materials, but damp suction surface halide accumulation, buckling deformation problem are serious, more difficult at present to overcome, and especially have dress preparing
The defects of even more serious on the handicraft of effect is adornd, so as to have impact on the attractive in appearance and service life of handicraft.
The advantages of magnesium oxysulfide binder materials, is easily to stick up after thoroughly solving magnesium oxychloride cementing material damp suction surface halide accumulation and the moisture absorption
The problem of song deformation.Its product surface is bright and clean, and aberration is small.But current magnesium oxysulfide binder materials is as construction material
Use, and maintenance method is complicated.And flowerpot, the flower bed included in greening decorative is prepared, indoor various personage's embossment models,
The handicraft without conserving processing including doll moulding, there is no suitable raw material.
In addition, China encourages energy-saving and emission-reduction, the discharge of discarded object and environment harmful is reduced, therefore, in magnesium oxysulfide gel
It is necessary to make full use of industrial waste and discarded mineral products in material.
The content of the invention
The purpose of the present invention is to be directed to solve in the prior art the not yet magnesium oxysulfide binder materials of suitable production process product,
And the purpose based on refuse reclamation, the invention provides a kind of preparation method of magnesium oxysulfide binder materials handicraft and sulphur oxygen
Magnesium binder materials.Handicraft prepared by the preparation method is without maintenance, the g/cm of its apparent density >=0.803；Water absorption rate≤
20.0%；Moisture content≤12.0%；Chlorion stripping quantity≤3.0%, rupture strength >=6.5MPa, compression strength >=30.0MPa, its
Coefficient of softing >=0.8, occur after 25 Frozen-thawed cycleds without damaged, cracking situation；And take full advantage of low-grade water chestnut
Magnesium ore deposit and other industry and agricultural residue, reduce the cost of product.
An object of the present invention is, there is provided a kind of preparation method of magnesium oxysulfide binder materials handicraft, including following step
Suddenly：
1）The mould of cleaning technology product, in mould inner surface brushing releasing agent；
2）Magnesium oxysulfide binder materials is weighed, epsom salt and water are configured to Adlerika first, add fiber, modification
Agent is stirred to form mixed slurry, then light-magnesite powder stirring is added into mixed slurry, is eventually adding active filler, agriculture
Crop wastes, water reducer, defoamer are stirred to slurry and are finally uniformly dispersed, and are controlled from addition fiber, modifying agent to slurry
Final finely dispersed total preparation time is 8 ~ 10min；The fluidity of slurry is 160 ~ 190mm；
3）Slurry is loaded in hopper, using applying paste cloth method craft articles in a mold；The operation of paste cloth method is applied to complete
Afterwards, handicraft surface is received into light with thin pulp, make handicraft surface it is smooth, without leakage cloth；Then put naturally after molded samples are stripped
Put maintenance.
In above-mentioned preparation method, step 2）The raw material is made up of the material of following percentage by weight, total amount 100%：Gently
Burned magnesium oxide powder：45% ~ 55%, epsom salt 15% ~ 20%, water：20% ~ 25%, active filler：1% ~ 3%, agricultural waste material：
5% ~ 7%, additive：0.5% ~ 2%, fiber：0.5%~1.5%；The additive is modifying agent, water reducer and defoamer.
In above-mentioned preparation method, described light-magnesite powder is gained after being calcined using low-grade magnesite, and it is formed
In the silica containing high level（Content is 6 ~ 8%）And calcium oxide（Content is 4 ~ 6%）, content of magnesia 75 ~ 85%, activity
For 50 ~ 65%, fineness was that 180 mesh square hole screens are tailed over no more than 10%, improves magnesite resource high level and efficiently utilizes.
In above-mentioned preparation method, described epsom salt purity is 92 ~ 94%, and the byproduct of boric acid is prepared for boron magnesium ore,
The use of this kind of raw material solves the problems, such as industry byproduct high value added utilization to a certain extent.
In above-mentioned preparation method, described active filler is at least one of flyash, silicon ash, slag；Its fineness will
>=200 mesh are sought, i.e. maximum particle size is 200 mesh.
In above-mentioned preparation method, described agricultural waste material is rice husk, rice bran, at least one of sawdust, its particle diameter
Scope is：0.5~2mm.
In above-mentioned preparation method, described fibre length is 5 ~ 10mm, including glass fiber and broken glass fibre
Grid cloth.
In above-mentioned preparation method, the modifying agent is：Gluconic acid：Addition is the 15% ~ 20% of additive quality, phosphorus
Acid：Addition is the 15% ~ 20% of additive quality, calcium saccharate：Addition is 5% ~ 15% and calcium chloride of additive quality：Add
Enter 25% ~ 35% that amount is additive quality；Described water reducer is polycarboxylate water-reducer, addition for additive quality 5% ~
10%；Described defoamer is tributyl phosphate, and addition is the 5% ~ 10% of additive quality.
In above-mentioned preparation method, step 3）The painting paste cloth method specifically, apply layered material slurry, slurry coating in a mold
Thickness be 2 ~ 3mm, then by cut out, shape and mould fiberglass gridding cloth of the same size be layered on the layered material slurry on,
Brush flat, the slurry of first layer is oozed out from the mesh of cloth, and operated successively by the method for foregoing slurry-cloth-slurry, until work
Skill product are molded；And the time of craft articles is controlled within 10 minutes, keep the thin degree of the slurry per layered material consistent, Yi Jibao
Hold the surface bubble-free of handicraft.
In above-mentioned preparation method, step 3）The thin pulp is by MgO：MgSO4·7H2O：H2O is 1 in mass ratio：0.7~0.8：
0.8 ~ 0.9 ratio mixes.
In above-mentioned preparation method, fiberglass gridding cloth mesh >=3mm, surface density in described painting paste cloth method >=
100g/m2。
The second object of the present invention is, there is provided a kind of magnesium oxysulfide binder materials for being used to prepare above-mentioned handicraft, by as follows
The material composition of percentage by weight：Light-magnesite powder：45% ~ 55%, epsom salt 15% ~ 20%, water：20% ~ 25%, activity is filled out
Material：1% ~ 3%, agricultural waste material：5% ~ 7%, additive：0.5% ~ 2%, fiber：0.5%~1.5%；
Wherein, the content of magnesia 75 ~ 85% of the light-magnesite powder, silica content be 6 ~ 8%, calcium oxide content be 4 ~
6%, activity is 50 ~ 65%, and fineness was that 180 mesh square hole screens are tailed over no more than 10%；
Described epsom salt purity is 92 ~ 94%；
Described active filler is flyash, silicon ash, at least one of slag, the mesh of fineness >=200；
Described agricultural waste material is at least one of rice husk, rice bran, sawdust, and particle size range is 0.5 ~ 2mm；
Described fibre length is 5 ~ 10mm, including glass fiber and broken fiberglass gridding cloth；
The additive is modifying agent, water reducer and defoamer；Wherein, the modifying agent is：Gluconic acid：Addition is modification
Agent quality 15% ~ 20%, phosphoric acid：Addition is the 15% ~ 20% of modifying agent, calcium saccharate：Addition for modifying agent 5% ~ 15%,
And calcium chloride：Addition is the 25% ~ 35% of modifying agent；Described water reducer is polycarboxylate water-reducer, and addition is modifying agent
5%~10%；Described defoamer is tributyl phosphate, and addition is the 5% ~ 10% of modifying agent；
The fluidity of the slurry obtained after the magnesium oxysulfide binder materials mixing is 160 ~ 190mm.
Handicraft prepared by the above method and magnesium oxysulfide binder materials is placed naturally without maintenance after shaping；Technique
The g/cm of the apparent density of product >=0.803, water absorption rate≤20.0%, moisture content≤12.0%, chlorion stripping quantity≤3.0%, anti-folding
Intensity >=6.5MPa, compression strength >=30.0MPa, coefficient of softing >=0.8, without damaged, cracking after 25 Frozen-thawed cycleds
Situation occurs.
Compared with prior art, advantage of the invention is that：
1st, low-grade magnesite is taken full advantage of.The magnesite resource of Anshan accounts for the country more than 90%, and low-grade magnesite accounts for magnesite
More than/3rd of resource, currently without being developed well, produce the wasting of resources and environmental pollution.
2nd, trade waste is made full use of.As energy-conserving and environment-protective require to improve, iron and steel enterprise's discharge solid waste is urgently
Utilization.Present invention utilizes boron magnesium ore to prepare boric acid residue byproduct epsom salt and industrial residue, realizes energy-conservation
Emission reduction and high level efficiently utilize.
3rd, agricultural wastes are taken full advantage of.The present invention produces green work by the use of agricultural waste material as biological material
Art products, realize and manufacture high-end magnesia plastics products for building using low side raw material.
4th, the material is applied to the preparation of handicraft, and the handicraft prepared, without maintenance, placement is naturally after shaping
Can.
Embodiment
Raw material employed in following examples is purchased in market.
Content of magnesia 75 ~ 85% in light-magnesite powder, activity are 50 ~ 65%, and silica content is 6 ~ 8%, and calcium oxide contains
Measure as 4 ~ 6%, activity is 50 ~ 65%, and fineness was that 180 mesh square hole screens are tailed over no more than 10%；
Epsom salt purity is 92 ~ 94%；
The mesh of active filler fineness >=200；
Agricultural waste material particle size range is 0.5 ~ 2mm；
Fiberglass gridding cloth mesh >=3mm, surface density >=100g/m2；
Glass fiber is glass chopped silk, and length is 5 ~ 10mm.
Embodiment 1
A kind of doll formative technology product of magnesium oxysulfide binder materials, the material of use include following components by weight percentage：Gently
Burned magnesium oxide powder：50%th, epsom salt 18%, water：21%th, silicon ash：2%th, rice bran：6.5%th, additive：1.5%th, glass fiber：
1%；Modifying agent is gluconic acid：Addition is the 15% of additive, phosphoric acid：Addition is the 15% of additive, calcium saccharate：Add
Enter 15% and the calcium chloride that amount is additive：Addition is the 35% of additive；Described water reducer is polycarboxylate water-reducer, is added
Measure as the 10% of additive；Described defoamer is tributyl phosphate, and addition is the 10% of additive；
The preparation method of described magnesium oxysulfide binder materials doll formative technology product, comprises the following steps：
1）The mould of doll formative technology product is cleared up, in mould inner surface brushing releasing agent；
2）Raw material is weighed, epsom salt powder is first poured into water stirring 3min, is made into Adlerika, is treated after standing 24h
With；Fiber, modifying agent are added into Adlerika again, stir 1min ~ 2min；Then light-magnesite powder is added thereto, stirred
1 ~ 2min is mixed, is configured to magnesium oxysulfide binder materials slurry；Active filler, agricultural waste material are sequentially added again and wherein stirred
Mix uniform to mud dispersivity, and ensure final total mixing time control in 8 ~ 10min；
3）Slurry is loaded in hopper, using applying paste cloth method craft articles blank in a mold；One layer is applied in a mold
Slurry, the thickness of slurry coating is 2 ~ 3mm, then the fiberglass gridding cloth cut out is layered on layered material slurry, with dry hairbrush
Brush flat, the slurry of first layer is oozed out from the mesh of cloth, then apply layered material slurry again, and use the side of slurry-cloth-slurry successively
Method is operated, and is applied 7 layers of slurry altogether and is spread 6 layers of fiberglass gridding cloth, until handicraft blank is molded, and will apply paste cloth method
The time control of craft articles blank controlled the thin degree of the slurry per layered material consistent, and keep handicraft in 10 minutes
Surface bubble-free；After the completion of applying the operation of paste cloth method, handicraft blank surface is received into light with thin pulp, makes moulding process product surface light
Slide, without leakage cloth；Then natural curing after moulding process product sample is stripped.
The handicraft that the present embodiment is prepared, after testing after, can reach following standard：From the appearance, 28 days when without bright
Colour developing difference and crackle；Occur without damp suction surface halide accumulation, scum phenomenon；Its apparent density 1.39g/cm3；Water absorption rate is 14.3%；Moisture content
For 7.5%；Chlorion stripping quantity ＜ 3.0%；28 days rupture strength 9.8MPa；Compression strength 45MPa；Coefficient of softing ＞ 0.8；Through 25
Its surface occurs without damaged, cracking situation after secondary Frozen-thawed cycled.
Embodiment 2
A kind of personage's statue artware of magnesium oxysulfide binder materials, by weight comprising following components：Light-magnesite powder：
50%th, epsom salt 18%, water：21%th, silicon ash：2%th, flyash：1%th, rice husk：5.5%th, additive：1.5%th, glass fiber：
1%；Modifying agent is gluconic acid：Addition is the 20% of additive, phosphoric acid：Addition is the 20% of additive, calcium saccharate：Add
Enter 15% and the calcium chloride that amount is additive：Addition is the 25% of additive；Described water reducer is polycarboxylate water-reducer, is added
Measure as the 10% of additive；Described defoamer is tributyl phosphate, and addition is the 10% of additive；
Described its specific steps of the preparation method of magnesium oxysulfide binder materials handicraft are the same as embodiment 1.
The magnesium oxysulfide binder materials handicraft that the present embodiment is prepared, after testing after, can reach following standard：From the appearance
See, without obvious aberration and crackle at 28 days；Occur without damp suction surface halide accumulation, scum phenomenon；Its apparent density is 1.45g/cm3；Water suction
Rate is 13.5%；Moisture content is 6.9%；28 days rupture strengths are 8.9MPa；Compression strength is up to 43MPa；Through 25 Frozen-thawed cycleds
Its surface occurs without damaged, cracking situation afterwards.
Embodiment 3
A kind of magnesium oxysulfide binder materials handicraft, by weight comprising following components：Light-magnesite powder：50%th, seven water sulfuric acid
Magnesium 18%, water：21%th, flyash：3%th, sawdust：5.5%th, additive：1.5%th, glass fiber：1%；Modifying agent is gluconic acid：
Addition is the 18% of additive, phosphoric acid：Addition is the 18% of additive, calcium saccharate：Addition is 13% and chlorine of additive
Change calcium：Addition is the 33% of additive；Described water reducer is polycarboxylate water-reducer, and addition is the 9% of additive；Described
Defoamer is tributyl phosphate, and addition is the 9% of additive；
Described its specific steps of the preparation method of magnesium oxysulfide binder materials handicraft are the same as embodiment 1.
The magnesium oxysulfide binder materials handicraft that the present embodiment is prepared, after testing after, can reach following standard：From the appearance
See, without obvious aberration and crackle at 28 days；Occur without damp suction surface halide accumulation, scum phenomenon；Its apparent density is 1.47g/cm3；Water suction
Rate is 14.0%；Moisture content is 6.6%；28 days rupture strengths are 9.2MPa；Compression strength is up to 46MPa；Through 25 Frozen-thawed cycleds
Its surface occurs without damaged, cracking situation afterwards.
Comparative example 1
A kind of magnesium oxysulfide binder materials handicraft, by weight comprising following components：Light-magnesite powder：52.40%th, seven water
Magnesium sulfate 18.6%, water：17.50%th, silicon ash：2%th, rice bran：6.5%th, additive：1.5%th, glass fiber：1.5%.Additive is same
Embodiment 1.
Described its specific steps of the preparation method of magnesium oxysulfide binder materials handicraft are the same as embodiment 1.
The magnesium oxysulfide binder materials handicraft that the present embodiment is prepared, after conserving 3 days, it has been observed that there is small split on surface
The appearance of line, crackle is obvious after conserving 7 days, and crack number substantially increases after maintenance reaches 28 days.
Comparative example 2
A kind of magnesium oxysulfide binder materials handicraft, by weight comprising following components：Light-magnesite powder：50%th, seven water sulfuric acid
Magnesium 18%, water：21%th, silicon ash：4%th, rice bran：4%th, additive：1.5%th, glass fiber：1.5%.Additive is the same as embodiment 1.
Described its specific steps of the preparation method of magnesium oxysulfide binder materials handicraft are the same as embodiment 1.
It is 210mm that the magnesium oxysulfide binder materials slurry that the present embodiment is prepared, which measures its fluidity, and slurry is excessively dilute, Wu Fali
Die surface is applied to, causes difficult forming, it is not easy to operate.
Embodiment 4
A kind of magnesium oxysulfide binder materials handicraft, by weight comprising following components：Light-magnesite powder：45%th, seven water sulfuric acid
Magnesium 20%, water：25%th, slag：1%th, rice husk：3%th, sawdust：4%th, additive：0.5%th, glass fiber：1.5%；Modifying agent is grape
Saccharic acid：Addition is the 20% of additive, phosphoric acid：Addition is the 20% of additive, calcium saccharate：Addition is additive
15% and calcium chloride：Addition is the 35% of additive；Described water reducer is polycarboxylate water-reducer, and addition is additive
5%；Described defoamer is tributyl phosphate, and addition is the 5% of additive；
Described its specific steps of the preparation method of magnesium oxysulfide binder materials handicraft are the same as embodiment 1.
The magnesium oxysulfide binder materials handicraft that the present embodiment is prepared, after testing after, can reach following standard：From the appearance
See, without obvious aberration and crackle at 28 days；Occur without damp suction surface halide accumulation, scum phenomenon；Its apparent density is 1.43 g/cm3；Water suction
Rate is 15.4 %；Moisture content is 7.3 %；Chlorion stripping quantity ＜ 3.0%；28 days rupture strengths are 7.6 MPa；Compression strength
40MPa；Coefficient of softing ＞ 0.8；Its surface occurs without damaged, cracking situation after 25 Frozen-thawed cycleds.
Embodiment 5
A kind of magnesium oxysulfide binder materials handicraft, by weight comprising following components：Light-magnesite powder：55%th, seven water sulfuric acid
Magnesium 15%, water：20%th, slag：2.5%th, sawdust：5%th, additive：2%th, glass fiber：0.5%；Modifying agent is gluconic acid：Add
Enter amount be additive quality 20%, phosphoric acid：Addition is the 20% of additive, calcium saccharate：Addition is 5% He of additive
Calcium chloride：Addition is the 35% of additive；Described water reducer is polycarboxylate water-reducer, and addition is the 10% of additive；Institute
The defoamer stated is tributyl phosphate, and addition is the 10% of additive；
Described its specific steps of the preparation method of magnesium oxysulfide binder materials handicraft are the same as embodiment 1.
The magnesium oxysulfide binder materials handicraft that the present embodiment is prepared, after testing after, can reach following standard：From the appearance
See, without obvious aberration and crackle at 28 days；Occur without damp suction surface halide accumulation, scum phenomenon；Its apparent density is 1.1g/cm3；Water absorption rate
For 14.8%；Moisture content is 8.5%；Chlorion stripping quantity ＜ 3.0%；28 days rupture strengths are 7.6MPa；Compression strength 38.7MPa；
Coefficient of softing ＞ 0.8；Its surface occurs without damaged, cracking situation after 25 Frozen-thawed cycleds.
Claims (10)
1. a kind of preparation method of magnesium oxysulfide binder materials handicraft, it is characterised in that comprise the following steps：
1）Mould is cleared up, in mould inner surface brushing releasing agent；
2）Magnesium oxysulfide binder materials is weighed, epsom salt and water are configured to Adlerika first, fiber is added and changes
Property agent stir to form mixed slurry, then add and light-magnesite powder and stir into mixed slurry, finally successively plus
Enter active filler, agricultural waste material, water reducer, defoamer, stir to slurry and be finally uniformly dispersed, and control from addition fiber
It is 8 ~ 10min with modifying agent to slurry final finely dispersed total preparation time；
3）Using applying paste cloth method craft articles in a mold；After the completion of applying the operation of paste cloth method, with thin pulp by handicraft table
Face receive light, make handicraft surface it is smooth, without leakage cloth；Then it will naturally place and conserve after the handicraft demoulding of shaping, that is, obtain institute
State handicraft.
A kind of 2. preparation method of magnesium oxysulfide binder materials handicraft according to claim 1, it is characterised in that step 2）
The magnesium oxysulfide binder materials is made up of the material of following percentage by weight：Light-magnesite powder：45% ~ 55%, epsom salt
15% ~ 20%, water：20% ~ 25%, active filler：1% ~ 3%, agricultural waste material：5% ~ 7%, additive：0.5% ~ 2%, fiber：0.5%
~1.5%；
Wherein, the additive is modifying agent, water reducer and defoamer.
3. the preparation method of a kind of magnesium oxysulfide binder materials handicraft according to claim 1, it is characterised in that described
Light-magnesite powder is gained after low-grade magnesite calcining, and content of magnesia 75 ~ 85%, silica content is 6 ~ 8%, calcium oxide
Content is 4 ~ 6%, and activity is 50 ~ 65%, and fineness was that 180 mesh square hole screens are tailed over no more than 10%；
Described epsom salt purity is 92 ~ 94%；
Described active filler is flyash, silicon ash, at least one of slag, the mesh of fineness >=200；
Described agricultural waste material is at least one of rice husk, rice bran, sawdust, and particle diameter is 0.5 ~ 2mm；
Described fibre length is 5 ~ 10mm, including glass fiber and broken fiberglass gridding cloth.
4. the preparation method of a kind of magnesium oxysulfide binder materials handicraft according to claim 1, it is characterised in that described to change
Property agent is：Gluconic acid：Addition is the 15% ~ 20% of additive quality, phosphoric acid：Addition for additive quality 15% ~ 20%,
Calcium saccharate：Addition is 5% ~ 15% and calcium chloride of additive quality：Addition is the 25% ~ 35% of additive quality；
Described water reducer is polycarboxylate water-reducer, and addition is the 5% ~ 10% of additive quality；
Described defoamer is tributyl phosphate, and addition is the 5% ~ 10% of additive quality.
A kind of 5. preparation method of magnesium oxysulfide binder materials handicraft according to claim 1, it is characterised in that step 3）
It is described using applying the method for paste cloth method craft articles in a mold specifically, applying layered material slurry, slurry coating in a mold
Thickness be 2 ~ 3mm, then by fiberglass gridding cloth be layered on the layered material slurry on, brush flat, make the slurry of first layer from the net of cloth
Ooze out in eye, and operated successively by the method for foregoing slurry-cloth-slurry, until handicraft is molded；And control craft articles
Time within 10 minutes, keeps the thin degree of the slurry per layered material consistent, and keep the surface bubble-free of handicraft.
A kind of 6. preparation method of magnesium oxysulfide binder materials handicraft according to claim 1, it is characterised in that step 3）
The thin pulp is by MgO：MgSO4·7H2O：H2O is 1 in mass ratio：0.7~0.8：0.8 ~ 0.9 ratio mixes.
7. the preparation method of a kind of magnesium oxysulfide binder materials handicraft according to claim 5, it is characterised in that described
Fiberglass gridding cloth mesh >=3mm, surface density >=100g/m2。
8. a kind of magnesium oxysulfide binder materials for being used to prepare handicraft described in claim 1, it is characterised in that by following weight hundred
Divide the material composition of ratio：Light-magnesite powder：45% ~ 55%, epsom salt 15% ~ 20%, water：20% ~ 25%, active filler：1%~
3%th, agricultural waste material：5% ~ 7%, additive：0.5% ~ 2%, fiber：0.5%~1.5%.
9. a kind of magnesium oxysulfide binder materials for preparation technology product according to claim 8, it is characterised in that described light
The content of magnesia 75 ~ 85% of burned magnesium oxide powder, silica content are 6 ~ 8%, and calcium oxide content is 4 ~ 6%, and activity is 50 ~ 65%,
Fineness was that 180 mesh square hole screens are tailed over no more than 10%；
Described epsom salt purity is 92 ~ 94%；
Described active filler is flyash, silicon ash, at least one of slag, the mesh of fineness >=200；
Described agricultural waste material is at least one of rice husk, rice bran, sawdust, and particle size range is 0.5 ~ 2mm；
Described fibre length is 5 ~ 10mm, including glass fiber and broken fiberglass gridding cloth.
10. a kind of magnesium oxysulfide binder materials for preparation technology product according to claim 8, it is characterised in that described
Additive is modifying agent, water reducer and defoamer；
Wherein, the modifying agent is：Gluconic acid：Addition is the 15% ~ 20% of modifying agent quality, phosphoric acid：Addition is modification
Agent quality 15% ~ 20%, calcium saccharate：Addition is 5% ~ 15% and calcium chloride of modifying agent quality：Addition is modifying agent matter
The 25% ~ 35% of amount；Described water reducer is polycarboxylate water-reducer, and addition is the 5% ~ 10% of modifying agent quality；Described defoaming
Agent is tributyl phosphate, and addition is the 5% ~ 10% of modifying agent quality.
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| CN111908875A (en) * | 2020-06-18 | 2020-11-10 | 中国科学院过程工程研究所 | Cement-based composite material and device for cooperatively supplying heat by treating organic waste and cement base material through deep-sea hydrothermal fluid microorganisms |
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| CN111747670B (en) * | 2019-03-29 | 2022-12-13 | 河北工业大学 | Enhanced magnesium oxysulfate cement retarder |
| CN111747670A (en) * | 2019-03-29 | 2020-10-09 | 河北工业大学 | Enhanced magnesium oxysulfate cement retarder |
| CN109879655A (en) * | 2019-04-09 | 2019-06-14 | 辽宁科大中驰镁建材科技有限公司 | A method of hydraulicity magnesite board is prepared based on medium temperature mould pressing process |
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| CN110746174A (en) * | 2019-11-14 | 2020-02-04 | 福建省德锐新材有限公司 | A-grade fireproof mineral board and preparation method thereof |
| CN110981406A (en) * | 2019-12-13 | 2020-04-10 | 辽宁科技大学 | Low-cost heat-resistant magnesium cement and method for preparing building blocks by using same |
| CN110981406B (en) * | 2019-12-13 | 2022-09-30 | 辽宁科技大学 | Low-cost heat-resistant magnesium cement and method for preparing building blocks by using same |
| CN111153610A (en) * | 2020-02-28 | 2020-05-15 | 辽宁科大中驰镁建材科技有限公司 | Method for comprehensively utilizing high-iron high-calcium high-silicon waste magnesite and boron mud |
| CN111153610B (en) * | 2020-02-28 | 2022-12-27 | 辽宁科大中驰镁建材科技有限公司 | Method for comprehensively utilizing high-iron high-calcium high-silicon waste magnesite and boron mud |
| CN111302756A (en) * | 2020-02-29 | 2020-06-19 | 河北科技大学 | Magnesium oxysulfate cementing material adopting regenerated magnesium oxysulfate material, and preparation method and application thereof |
| CN111302756B (en) * | 2020-02-29 | 2022-05-13 | 河北科技大学 | Magnesium oxysulfate cementing material adopting regenerated magnesium oxysulfate material, and preparation method and application thereof |
| CN111848110A (en) * | 2020-04-14 | 2020-10-30 | 哈尔滨理工大学 | High-strength anti-bending inorganic artificial stone |
| CN111848110B (en) * | 2020-04-14 | 2022-05-27 | 哈尔滨理工大学 | High-strength anti-bending inorganic artificial stone |
| CN111662069A (en) * | 2020-06-18 | 2020-09-15 | 上海鼎中新材料有限公司 | External hanging light stone molded by desulfurized gypsum industrial waste residue and method |
| CN111908875A (en) * | 2020-06-18 | 2020-11-10 | 中国科学院过程工程研究所 | Cement-based composite material and device for cooperatively supplying heat by treating organic waste and cement base material through deep-sea hydrothermal fluid microorganisms |
| CN111908875B (en) * | 2020-06-18 | 2022-01-07 | 中国科学院过程工程研究所 | Cement-based composite material and device for cooperatively supplying heat by treating organic waste and cement base material through deep-sea hydrothermal fluid microorganisms |
| CN113788667A (en) * | 2021-08-31 | 2021-12-14 | 江苏唐盾材料科技有限公司 | Magnesium cementing material for hand-pasted glass fiber reinforced plastic mold |
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Effective date of registration: 20191031 Address after: 114044 Anshan province hi tech Zone, thousands of mountain road, No. 185, No. Applicant after: University of Science and Technology Liaoning Science Park Development Co., Ltd. Applicant after: Bi Wanli Address before: 114051, No. 185, Qianshan Road, hi tech Zone, Liaoning, Anshan Applicant before: Liaoning Science and Technology Univ. |
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Effective date of registration: 20200527 Address after: 114044 No. 185 Qianshan Middle Road, hi tech Zone, Liaoning, Anshan Patentee after: LIAONING KEDA ZHONGCHI MAGNESIUM BUILDING MATERIAL TECHNOLOGY Co.,Ltd. Address before: 114044 Anshan province hi tech Zone, thousands of mountain road, No. 185, No. Co-patentee before: Bi Wanli Patentee before: Liaoning University of science and Technology Science Park Development Co., Ltd |