CN107365095A - A kind of calcium phosphate Si-Mg cement and preparation method thereof - Google Patents
A kind of calcium phosphate Si-Mg cement and preparation method thereof Download PDFInfo
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- CN107365095A CN107365095A CN201710823576.1A CN201710823576A CN107365095A CN 107365095 A CN107365095 A CN 107365095A CN 201710823576 A CN201710823576 A CN 201710823576A CN 107365095 A CN107365095 A CN 107365095A
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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
- C04B12/00—Cements not provided for in groups C04B7/00 - C04B11/00
- C04B12/02—Phosphate cements
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- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention belongs to cement preparing technical field, especially a kind of calcium phosphate Si-Mg cement and preparation method thereof, Diammonium phosphate (DAP), magnesia light burnt powder, flyash, butt ardealite, borax, fine silica powder, aluminium dihydrogen phosphate and magnesium phosphate are used as raw material, by reasonably matching, again calcium phosphate Si-Mg cement is prepared into by the process such as crushing, mixing, dry, the intensity and water repelling property of cement can be effectively improved, reduces the shrinkage of cement.
Description
Technical field
The invention belongs to cement preparing technical field, especially a kind of calcium phosphate Si-Mg cement and preparation method thereof.
Background technology
Magnesium silicate cement has quick fast hard, high early strength, high bond strength, the dry-shrinkage deformed premium properties such as small, non-
Often it is applied to highway and is highly suitable for the Rapid-Repair of highway, airfield runway and municipal major trunk roads, in military work
Also had broad application prospects in terms of the repairing rush construction and the solidification of harmful substance of journey.
Magnesium phosphate cement of the prior art, it is essentially all using light magnesium oxide and MAP as primary raw material, together
When mix a small amount of retarder and be prepared, but its light magnesium oxide price is higher, and after a large amount of incorporation magnesia, magnesium phosphate cement
Shrinkage is larger, and the magnesium phosphate cement for causing to prepare is because of selling at exorbitant prices and shrinks big mass defect, it is difficult to carries out the marketization and pushes away
Extensively；For another example a kind of multi-functional fast repairing material of cement concrete pavement disclosed in patent CN201310060491.4, using oxygen
It is molten to change magnesium, diammonium hydrogen phosphate, boric acid, aluminate cement, flyash, rubber powder, polypropylene fibre, redispersable latex powder, silicon
Glue and water are prepared for raw material, and material construction is convenient, effect is lasting after solidification, for the most of diseases of cement concrete pavement
Evil form all has quick, permanent repair ability；But its intensity and water repelling property are undesirable.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of calcium phosphate Si-Mg cement and preparation method thereof.
It is achieved particular by following technical scheme：
A kind of calcium phosphate Si-Mg cement, raw material in parts by weight for 30~70 parts of Diammonium phosphate (DAP), magnesia light burnt powder 30~
70 parts, 20~60 parts of flyash, 7~23 parts of additive.
The raw material is in parts by weight 52 parts of Diammonium phosphate (DAP), 45 parts of magnesia light burnt powder, 45 parts of flyash, additive 20
Part.
The additive raw material includes butt ardealite, borax, fine silica powder, aluminium dihydrogen phosphate, magnesium phosphate.
2~6 parts of the butt ardealite, 2~6 parts of borax, 1~5 part of fine silica powder, 1~3 part of aluminium dihydrogen phosphate,
1~3 part of magnesium phosphate.
The preparation method of above-mentioned cement, comprises the following steps：
(1) it is first that magnesia light burnt powder, butt ardealite, borax and flyash is levigate to 200~400 mesh, phosphoric acid respectively
Two ammoniums, fine silica powder, aluminium dihydrogen phosphate and magnesium phosphate are levigate to 100~180 mesh respectively；
(2) take levigate magnesia light burnt powder, butt ardealite, borax, flyash, Diammonium phosphate (DAP), fine silica powder,
Aluminium dihydrogen phosphate and magnesium phosphate are put into stirrer for mixing；
(3) compound that will be stirred, is put into drying machine and dries, and calcium phosphate Si-Mg cement is made.
The drying temperature is 60~150 DEG C.
The magnesium phosphate is levigate to 160 mesh.
The aluminium dihydrogen phosphate is levigate to 120 mesh.
Beneficial effect
The present invention using Diammonium phosphate (DAP), magnesia light burnt powder, flyash, butt ardealite, borax, fine silica powder,
Aluminium dihydrogen phosphate and magnesium phosphate are raw material, and phosphoric acid is prepared into by reasonably matching, then by the process such as crushing, mixing, dry
Calcium Si-Mg cement, the intensity and water repelling property of cement can be effectively improved, reduce the shrinkage of cement.
Test group uses cement prepared by the present invention program, adds the Machine-made Sand of its mass ratio 50%, stirs 1~3min,
90s is stirred rapidly adding water, is stripped after being put into die for molding 1h, the natural curing in air is placed in；Control group is using special
Patching material prepared by sharp CN201310060491.4, is stripped, the natural curing in air is placed in after being put into die for molding 1h；
The rupture strength and water repelling property of two groups of materials are measured respectively, intensity is with reference to GB/T171671-1999《Cement mortar is strong
Spend the method for inspection (ISO methods)》Measure；Water resistance reference《Concrete long-term behaviour and durability test method》(GB/T50082-
2009) it is measured, as a result such as following table：
As seen from the experiment, test group bending strength of cement is better than control group, and the water resistant coefficient of test group cement is higher than
Control group.
Embodiment
Tuberculosis specific embodiment is limited technical scheme is further below, but claimed
Scope is not only limited to made description.
Embodiment 1
A kind of calcium phosphate Si-Mg cement, raw material is in parts by weight Diammonium phosphate (DAP) 30kg, magnesia light burnt powder 30kg, fine coal
Grey 20kg, additive 7kg.
The additive raw material is in parts by weight butt ardealite 2kg, borax 2kg, fine silica powder 1kg, phosphoric acid
Aluminum dihydrogen 1kg, magnesium phosphate 1kg.
The preparation method of above-mentioned cement, comprises the following steps：
(1) it is first that magnesia light burnt powder, butt ardealite, borax and flyash is levigate to 200 mesh respectively, Diammonium phosphate (DAP),
Fine silica powder, aluminium dihydrogen phosphate and magnesium phosphate are levigate to 100 mesh respectively；
(2) take levigate magnesia light burnt powder, butt ardealite, borax, flyash, Diammonium phosphate (DAP), fine silica powder,
Aluminium dihydrogen phosphate and magnesium phosphate are put into stirrer for mixing；
(3) compound that will be stirred, is put into drying machine and dries, and calcium phosphate Si-Mg cement is made.
The drying temperature is 60 DEG C.
Embodiment 2
A kind of calcium phosphate Si-Mg cement, raw material is in parts by weight Diammonium phosphate (DAP) 70kg, magnesia light burnt powder 70kg, fine coal
Grey 60kg, additive 23kg.
The additive raw material is in parts by weight butt ardealite 6kg, borax 6kg, fine silica powder 5kg, phosphoric acid
Aluminum dihydrogen 3kg, magnesium phosphate 3kg.
The preparation method of above-mentioned cement, comprises the following steps：
(1) it is first that magnesia light burnt powder, butt ardealite, borax and flyash is levigate to 400 mesh respectively, Diammonium phosphate (DAP),
Fine silica powder, aluminium dihydrogen phosphate and magnesium phosphate are levigate to 180 mesh respectively；
(2) take levigate magnesia light burnt powder, butt ardealite, borax, flyash, Diammonium phosphate (DAP), fine silica powder,
Aluminium dihydrogen phosphate and magnesium phosphate are put into stirrer for mixing；
(3) compound that will be stirred, is put into drying machine and dries, and calcium phosphate Si-Mg cement is made.
The drying temperature is 150 DEG C.
Embodiment 3
A kind of calcium phosphate Si-Mg cement, raw material is in parts by weight Diammonium phosphate (DAP) 30kg, magnesia light burnt powder 70kg, fine coal
Grey 40kg, additive 18kg.
The additive raw material is in parts by weight butt ardealite 4kg, borax 5kg, fine silica powder 3kg, phosphoric acid
Aluminum dihydrogen 3kg, magnesium phosphate 3kg.
The preparation method of above-mentioned cement, comprises the following steps：
(1) it is first that magnesia light burnt powder, butt ardealite, borax and flyash is levigate to 300 mesh respectively, Diammonium phosphate (DAP),
Fine silica powder respectively it is levigate to 140 mesh, magnesium phosphate is levigate to 160 mesh, aluminium dihydrogen phosphate is levigate to 120 mesh；
(2) take levigate magnesia light burnt powder, butt ardealite, borax, flyash, Diammonium phosphate (DAP), fine silica powder,
Aluminium dihydrogen phosphate and magnesium phosphate are put into stirrer for mixing；
(3) compound that will be stirred, is put into drying machine and dries, and calcium phosphate Si-Mg cement is made.
The drying temperature is 120 DEG C.
Embodiment 4
A kind of calcium phosphate Si-Mg cement, raw material is in parts by weight Diammonium phosphate (DAP) 70kg, magnesia light burnt powder 30kg, fine coal
Grey 20kg, additive 10kg.
The additive raw material is in parts by weight butt ardealite 3kg, borax 2kg, fine silica powder 2kg, phosphoric acid
Aluminum dihydrogen 1kg, magnesium phosphate 2kg.
The preparation method of above-mentioned cement, comprises the following steps：
(1) it is first that magnesia light burnt powder, butt ardealite, borax and flyash is levigate to 350 mesh respectively, Diammonium phosphate (DAP),
Fine silica powder, aluminium dihydrogen phosphate and magnesium phosphate are levigate to 160 mesh respectively；
(2) take levigate magnesia light burnt powder, butt ardealite, borax, flyash, Diammonium phosphate (DAP), fine silica powder,
Aluminium dihydrogen phosphate and magnesium phosphate are put into stirrer for mixing；
(3) compound that will be stirred, is put into drying machine and dries, and calcium phosphate Si-Mg cement is made.
The drying temperature is 130 DEG C.
Above-mentioned test example and embodiment are expanded on further and understood for the present invention's, it is impossible to are interpreted as the technology to the present invention
Scheme is further to be limited, the non-protruding essential characteristics and the innovation and creation of marked improvement that those skilled in the art make,
Still fall within the protection category of the present invention.
Claims (8)
1. a kind of calcium phosphate Si-Mg cement, it is characterised in that raw material is in parts by weight 30~70 parts of Diammonium phosphate (DAP), magnesia is light
Burn 30~70 parts of powder, 20~60 parts of flyash, 7~23 parts of additive.
2. calcium phosphate Si-Mg cement as claimed in claim 1, it is characterised in that the raw material is Diammonium phosphate (DAP) 52 in parts by weight
Part, 45 parts of magnesia light burnt powder, 45 parts of flyash, 20 parts of additive.
3. calcium phosphate Si-Mg cement as claimed in claim 1 or 2, it is characterised in that the additive raw material includes butt phosphorus stone
Cream, borax, fine silica powder, aluminium dihydrogen phosphate, magnesium phosphate.
4. calcium phosphate Si-Mg cement as claimed in claim 1 or 2, it is characterised in that 2~6 parts of the butt ardealite, borax 2
~6 parts, 1~5 part of fine silica powder, 1~3 part of aluminium dihydrogen phosphate, 1~3 part of magnesium phosphate.
5. the preparation method of calcium phosphate Si-Mg cement as described in Claims 1 to 4, it is characterised in that comprise the following steps：
(1) it is first that magnesia light burnt powder, butt ardealite, borax and flyash is levigate to 200~400 mesh respectively, Diammonium phosphate (DAP),
Fine silica powder, aluminium dihydrogen phosphate and magnesium phosphate are levigate to 100~180 mesh respectively；
(2) levigate magnesia light burnt powder, butt ardealite, borax, flyash, Diammonium phosphate (DAP), fine silica powder, phosphoric acid are taken
Aluminum dihydrogen and magnesium phosphate are put into stirrer for mixing；
(3) compound that will be stirred, is put into drying machine and dries, and calcium phosphate Si-Mg cement is made.
6. the preparation method of calcium phosphate Si-Mg cement as claimed in claim 5, it is characterised in that the drying temperature be 60~
150℃。
7. the preparation method of calcium phosphate Si-Mg cement as claimed in claim 5, it is characterised in that the magnesium phosphate is levigate to 160
Mesh.
8. the preparation method of calcium phosphate Si-Mg cement as claimed in claim 5, it is characterised in that the aluminium dihydrogen phosphate is levigate extremely
120 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710823576.1A CN107365095B (en) | 2017-09-13 | 2017-09-13 | Calcium phosphate silicon magnesium cement and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710823576.1A CN107365095B (en) | 2017-09-13 | 2017-09-13 | Calcium phosphate silicon magnesium cement and preparation method thereof |
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| CN107365095A true CN107365095A (en) | 2017-11-21 |
| CN107365095B CN107365095B (en) | 2021-02-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110272725A (en) * | 2019-07-09 | 2019-09-24 | 中国石油天然气股份有限公司 | A kind of side tracked slim hole staged fracturing acid-soluble sealing agent and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20090249980A1 (en) * | 2008-03-17 | 2009-10-08 | Gimvang Bo H | Cementitious composition |
| CN102060454A (en) * | 2010-11-22 | 2011-05-18 | 内蒙古祥响新型建材开发有限责任公司 | Light-burned dolomite cement |
| CN102452830A (en) * | 2010-10-29 | 2012-05-16 | 深圳大学 | Phosphate cement bond polystyrene foam particle thermal insulating material |
| CN103726626A (en) * | 2013-12-13 | 2014-04-16 | 青岛无为保温材料有限公司 | Thermal insulation and heat preservation decorative board for wall |
-
2017
- 2017-09-13 CN CN201710823576.1A patent/CN107365095B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090249980A1 (en) * | 2008-03-17 | 2009-10-08 | Gimvang Bo H | Cementitious composition |
| CN102452830A (en) * | 2010-10-29 | 2012-05-16 | 深圳大学 | Phosphate cement bond polystyrene foam particle thermal insulating material |
| CN102060454A (en) * | 2010-11-22 | 2011-05-18 | 内蒙古祥响新型建材开发有限责任公司 | Light-burned dolomite cement |
| CN103726626A (en) * | 2013-12-13 | 2014-04-16 | 青岛无为保温材料有限公司 | Thermal insulation and heat preservation decorative board for wall |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110272725A (en) * | 2019-07-09 | 2019-09-24 | 中国石油天然气股份有限公司 | A kind of side tracked slim hole staged fracturing acid-soluble sealing agent and preparation method thereof |
| CN110272725B (en) * | 2019-07-09 | 2021-09-28 | 中国石油天然气股份有限公司 | Acid-soluble plugging agent for staged fracturing of sidetracking slim hole and preparation method thereof |
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| CN107365095B (en) | 2021-02-02 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180314 Address after: 550000 Guizhou city in Guiyang Province, Guiyang national hi tech Industrial Development Zone, an even Highway No. 28 high tech industry R & D and production base of building 4 14-4-5 Applicant after: Guizhou phosphorus and magnesium materials Co., Ltd. Address before: Xifeng County in Guizhou Province, Guiyang city town 551109 Applicant before: Guizhou Kailin Phosphogypsum Utilization Co., Ltd. |
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