CN107129252A - A kind of land plaster preparation method - Google Patents
A kind of land plaster preparation method Download PDFInfo
- Publication number
- CN107129252A CN107129252A CN201710364881.9A CN201710364881A CN107129252A CN 107129252 A CN107129252 A CN 107129252A CN 201710364881 A CN201710364881 A CN 201710364881A CN 107129252 A CN107129252 A CN 107129252A
- Authority
- CN
- China
- Prior art keywords
- parts
- land plaster
- ardealite
- raymond mill
- phosphogypsum
- 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
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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
- 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
- C04B28/143—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 the synthetic calcium sulfate being phosphogypsum
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
Abstract
The invention discloses a kind of land plaster preparation method, following steps are specifically included：S1, preparation raw material for standby；S2, ardealite is positioned over outdoor place dried, remove the moisture wherein contained, and the phosphogypsum powder for 50 70 mesh is crushed by raymond mill；S3, hot blast is passed through into raymond mill, hot blast is bakeed into raymond mill to phosphogypsum powder；S4, phosphogypsum powder is carried out to be cooled to 40 60 DEG C, and spray hydroxy silicon oil, it is neutral then to be neutralized with clear water, obtains pickling ardealite；S5, into pickling ardealite add phosphogypsum quality 1/10000th 3/50000 to ten thousand crystal modifier, turn brilliant 1 2h；S6, material carries out to dewater treatment, and dried under 110 135 DEG C of temperature conditionss；S7, material and the natural gypsum are mixed to 0.5 1h of grinding, then add water stirring, adds surplus stock and simultaneously continues stirring mixing 1h, discharges and get product land plaster.By the way that land plaster resistance to cold produced by the present invention is high, porosity is big, heat insulation effect is notable.
Description
Technical field
The present invention relates to land plaster technical field, specifically a kind of land plaster preparation method.
Background technology
Land plaster product includes dihydrate gypsum powder, semi-hydrated gypsum powder and anhydrous plaster powder.Dihydrate gypsum powder is that have two knots
The calcium sulphate crystal of brilliant water.In the heating of different condition, dihydrate gypsum powder, which deviates from 1.5 crystallizations water, turns into semi-hydrated gypsum
Powder.Dihydrate gypsum powder, which deviates from 2 crystallizations water, then turns into anhydrous plaster powder.Dihydrate gypsum powder, semi-hydrated gypsum powder and anhydrous plaster powder
Calcining raw materials mainly have the natural gypsum, industry by-product gypsum.The natural gypsum or industry by-product gypsum product all (are inhaled containing outer water
Attached water), therefore, these raw materials are before the crystallization water is sloughed in calcining, it is necessary to first slough outer water.To sum up, the main bag of land plaster calcining
Include and slough outer water, slough two processes of the crystallization water.
High strength gypsum powder has higher intensity and compactness, and high strength gypsum powder is carried out with high-grade gypsum raw material
Make, the natural gypsum that dihydrate gypsum content more than 85% is currently mainly used is raw material.In order to realize the comprehensive utilization of resource
Environmental pollution is reduced simultaneously, and the country also gradually starts to be produced with industrial by-products such as desulfurated plaster, citric acid waste residues or ardealites
α-high strength gypsum powder.But, generation and index of the ardealite impurities to semi-hydrated gypsum have larger adverse effect, it is difficult to raw
Output qualified α-high strength gypsum, so rarely useful at present produce α-high strength gypsum powder.
The content of the invention
It is an object of the invention to provide a kind of land plaster preparation method, with asking for solving to propose in above-mentioned background technology
Topic.
To achieve the above object, the present invention provides following technical scheme：
A kind of land plaster preparation method, specifically includes following steps：
S1, the raw material for standby for preparing following components：25-30 parts of the natural gypsum, 20-25 parts of ardealite, hydroxy silicon oil 5-7
Part, 11-13 parts of quick lime, 3.1-3.3 parts of beta-schardinger dextrin, 0.1-0.2 parts of calcium chloride, 60-78 parts of wood pulp, potassium chloride 0.5-0.7
Part, 3-5 parts of zirconium oxide, 0.01-0.03 parts of gamma benzene hexachloride, 8-10 parts of Petropols, suitable quantity of water and crystal modifier；
S2, ardealite is positioned over outdoor place dried, remove the moisture wherein contained, and crushed by raymond mill and be
The phosphogypsum powder of 50-70 mesh；
S3, hot blast is passed through into raymond mill, hot blast is bakeed into raymond mill to phosphogypsum powder；
S4, to the phosphogypsum powder obtained by baking be cooled to 40-60 DEG C in step S3, and spray hydroxy silicon oil,
Then it is neutral to be neutralized with clear water, obtains pickling ardealite；
Phosphogypsum quality 1/10000th 3/50000 to ten thousand is added in S5, the pickling ardealite obtained into step S4
Crystal modifier, turns crystalline substance 1-2h under the conditions of 100-125 DEG C, 0.15-0.5MPa；
S6, the material that will be obtained in step S5 by turning crystalline substance carry out dewater treatment, and under 110-135 DEG C of temperature conditionss
Drying；
S7, obtained material and the natural gypsum will be dried in step S6 mix grinding 0.5-1h, then add water stirring, addition
Surplus stock simultaneously continues stirring mixing 1h, and discharging gets product land plaster.
It is used as further scheme of the invention：The raymond mill is connected with heating furnace, and heating furnace produces 100-110 DEG C
Hot blast.
It is used as further scheme of the invention：The crystal modifier is citrate and/or alkylsulfonate.
It is used as further scheme of the invention：The mode of heating of the brilliant process of the step S5 transfers is heat-conducting oil heating, first
Conduction oil is heated with high steam, then slurry heated with the conduction oil after heating.
It is used as further scheme of the invention：The pressure of the brilliant process of the step S5 transfers is using the side for adding compressed air
Formula is adjusted.
It is used as further scheme of the invention：The tail gas produced in the drying course of the step S6 passes through purifying and dedusting,
Steam after purifying and dedusting is emitted into air, it is to avoid pollution air.
Compared with prior art, the beneficial effects of the invention are as follows：Pass through land plaster resistance to cold produced by the present invention height, hole
Gap rate is big, heat insulation effect notable, and its grain composition, adhesive property, mobile performance and setting time etc. are improved, and are entirely produced
Technique is simple, makes full use of industrial waste, protects environment, has saved natural gypsum resource.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
Embodiment 1
In the embodiment of the present invention, a kind of land plaster preparation method specifically includes following steps：
S1, the raw material for standby for preparing following components：25 parts of the natural gypsum, 20 parts of ardealite, 5 parts of hydroxy silicon oil, quick lime
11 parts, 3.1 parts of beta-schardinger dextrin, 0.1 part of calcium chloride, 60 parts of wood pulp, 0.5 part of potassium chloride, 3 parts of zirconium oxide, gamma benzene hexachloride
0.01 part, 8 parts of Petropols, suitable quantity of water and crystal modifier；
S2, ardealite is positioned over outdoor place dried, remove the moisture wherein contained, and crushed by raymond mill and be
The phosphogypsum powder of 50-70 mesh；
S3, hot blast is passed through into raymond mill, hot blast is bakeed into raymond mill to phosphogypsum powder, Raymond mill
Powder machine is connected with heating furnace, and heating furnace produces 100 DEG C of hot blast；
S4, the phosphogypsum powder obtained to passing through baking in step S3 carry out being cooled to 40 DEG C, and spray hydroxy silicon oil, then
It is neutral to be neutralized with clear water, obtains pickling ardealite；
Phosphogypsum quality 1/10000th 3/50000 to ten thousand is added in S5, the pickling ardealite obtained into step S4
Crystal modifier, crystal modifier is citrate and/or alkylsulfonate, turns crystalline substance 1h under the conditions of 100 DEG C, 0.15MPa；Turn brilliant process
Mode of heating is heat-conducting oil heating, and first conduction oil is heated with high steam, then slurry is entered with the conduction oil after heating
Row heating；The pressure for turning brilliant process is adjusted by the way of compressed air is added；
S6, the material that will be obtained in step S5 by turning crystalline substance carry out dewater treatment, and dried under 110 DEG C of temperature conditionss
It is dry；The steam that the tail gas produced in drying course passes through after purifying and dedusting, purifying and dedusting is emitted into air, it is to avoid pollution is empty
Gas；
S7, obtained material and the natural gypsum will be dried in step S6 mix grinding 0.5h, then add water stirring, adds and remains
Remaining raw material simultaneously continues stirring mixing 1h, and discharging gets product land plaster.
By the way that land plaster resistance to cold produced by the present invention is high, porosity is big, heat insulation effect is notable, its grain composition, glue
Knot performance, mobile performance and setting time etc. are improved, and whole reparation technology is simple, makes full use of industrial waste, protects
Environment, has saved natural gypsum resource.
Embodiment 2
In the embodiment of the present invention, a kind of land plaster preparation method specifically includes following steps：
S1, the raw material for standby for preparing following components：27 parts of the natural gypsum, 22 parts of ardealite, 6 parts of hydroxy silicon oil, quick lime
12 parts, 3.2 parts of beta-schardinger dextrin, 0.1.5 parts of calcium chloride, 69 parts of wood pulp, 0.6 part of potassium chloride, 4 parts of zirconium oxide, gamma benzene hexachloride
0.02 part, 9 parts of Petropols, suitable quantity of water and crystal modifier；
S2, ardealite is positioned over outdoor place dried, remove the moisture wherein contained, and it is 60 to be crushed by raymond mill
Purpose phosphogypsum powder；
S3, hot blast is passed through into raymond mill, hot blast is bakeed into raymond mill to phosphogypsum powder, Raymond mill
Powder machine is connected with heating furnace, and heating furnace produces 105 DEG C of hot blast；
S4, the phosphogypsum powder obtained to passing through baking in step S3 carry out being cooled to 50 DEG C, and spray hydroxy silicon oil, then
It is neutral to be neutralized with clear water, obtains pickling ardealite；
Phosphogypsum quality 1/10000th 3/50000 to ten thousand is added in S5, the pickling ardealite obtained into step S4
Crystal modifier, crystal modifier is citrate and/or alkylsulfonate, turns crystalline substance 1.5h under the conditions of 113 DEG C, 0.55MPa；Turn brilliant process
Mode of heating be heat-conducting oil heating, first conduction oil is heated with high steam, then with heat after conduction oil to slurry
Heated；The pressure for turning brilliant process is adjusted by the way of compressed air is added；
S6, the material that will be obtained in step S5 by turning crystalline substance carry out dewater treatment, and dried under 122 DEG C of temperature conditionss
It is dry；The steam that the tail gas produced in drying course passes through after purifying and dedusting, purifying and dedusting is emitted into air, it is to avoid pollution is empty
Gas；
S7, obtained material and the natural gypsum will be dried in step S6 mix grinding 0.75h, then add water stirring, addition
Surplus stock simultaneously continues stirring mixing 1h, and discharging gets product land plaster.
Embodiment 3
In the embodiment of the present invention, a kind of land plaster preparation method specifically includes following steps：
S1, the raw material for standby for preparing following components：30 parts of the natural gypsum, 25 parts of ardealite, 7 parts of hydroxy silicon oil, quick lime
13 parts, 3.3 parts of beta-schardinger dextrin, 0.2 part of calcium chloride, 78 parts of wood pulp, 0.7 part of potassium chloride, 5 parts of zirconium oxide, gamma benzene hexachloride
0.03 part, 10 parts of Petropols, suitable quantity of water and crystal modifier；
S2, ardealite is positioned over outdoor place dried, remove the moisture wherein contained, and it is 70 to be crushed by raymond mill
Purpose phosphogypsum powder；
S3, hot blast is passed through into raymond mill, hot blast is bakeed into raymond mill to phosphogypsum powder, Raymond mill
Powder machine is connected with heating furnace, and heating furnace produces 110 DEG C of hot blast；
S4, the phosphogypsum powder obtained to passing through baking in step S3 carry out being cooled to 60 DEG C, and spray hydroxy silicon oil, then
It is neutral to be neutralized with clear water, obtains pickling ardealite；
Phosphogypsum quality 1/10000th 3/50000 to ten thousand is added in S5, the pickling ardealite obtained into step S4
Crystal modifier, crystal modifier is citrate and/or alkylsulfonate, turns crystalline substance 2h under the conditions of 125 DEG C, 0.5MPa；Turn brilliant process
Mode of heating is heat-conducting oil heating, and first conduction oil is heated with high steam, then slurry is entered with the conduction oil after heating
Row heating；The pressure for turning brilliant process is adjusted by the way of compressed air is added；
S6, the material that will be obtained in step S5 by turning crystalline substance carry out dewater treatment, and dried under 135 DEG C of temperature conditionss
It is dry；The steam that the tail gas produced in drying course passes through after purifying and dedusting, purifying and dedusting is emitted into air, it is to avoid pollution is empty
Gas；
S7, obtained material and the natural gypsum will be dried in step S6 mix grinding 1h, then add water stirring, adds residue
Raw material simultaneously continues stirring mixing 1h, and discharging gets product land plaster.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Claims (6)
1. a kind of land plaster preparation method, it is characterised in that specifically include following steps：
S1, the raw material for standby for preparing following components：25-30 parts of the natural gypsum, 20-25 parts of ardealite, 5-7 parts of hydroxy silicon oil, life
11-13 parts of lime, 3.1-3.3 parts of beta-schardinger dextrin, 0.1-0.2 parts of calcium chloride, 60-78 parts of wood pulp, 0.5-0.7 parts of potassium chloride, oxygen
Change 3-5 parts of zirconium, 0.01-0.03 parts of gamma benzene hexachloride, 8-10 parts of Petropols, suitable quantity of water and crystal modifier；
S2, ardealite is positioned over outdoor place dried, remove the moisture wherein contained, and it is 50-70 to be crushed by raymond mill
Purpose phosphogypsum powder；
S3, hot blast is passed through into raymond mill, hot blast is bakeed into raymond mill to phosphogypsum powder；
S4, the phosphogypsum powder obtained to passing through baking in step S3 carry out being cooled to 40-60 DEG C, and spray hydroxy silicon oil, then
It is neutral to be neutralized with clear water, obtains pickling ardealite；
Phosphogypsum quality 1/10000th 3/50000 to ten thousand is added in S5, the pickling ardealite obtained into step S4 turns crystalline substance
Agent, turns crystalline substance 1-2h under the conditions of 100-125 DEG C, 0.15-0.5MPa；
S6, the material that will be obtained in step S5 by turning crystalline substance carry out dewater treatment, and dried under 110-135 DEG C of temperature conditionss
It is dry；
S7, obtained material and the natural gypsum will be dried in step S6 mix grinding 0.5-1h, then add water stirring, adds residue
Raw material simultaneously continues stirring mixing 1h, and discharging gets product land plaster.
2. a kind of land plaster preparation method according to claim 1, it is characterised in that the raymond mill, which is connected with, to be added
Hot stove, heating furnace produces 100-110 DEG C of hot blast.
3. a kind of land plaster preparation method according to claim 1, it is characterised in that the crystal modifier is citrate
And/or alkylsulfonate.
4. a kind of land plaster preparation method according to claim 1, it is characterised in that the brilliant process of the step S5 transfers
Mode of heating is heat-conducting oil heating, and first conduction oil is heated with high steam, then slurry is entered with the conduction oil after heating
Row heating.
5. a kind of land plaster preparation method according to claim 1, it is characterised in that the brilliant process of the step S5 transfers
Pressure is adjusted by the way of compressed air is added.
6. a kind of land plaster preparation method according to claim 1, it is characterised in that in the drying course of the step S6
The steam that the tail gas of generation passes through after purifying and dedusting, purifying and dedusting is emitted into air, it is to avoid pollution air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710364881.9A CN107129252A (en) | 2017-05-22 | 2017-05-22 | A kind of land plaster preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710364881.9A CN107129252A (en) | 2017-05-22 | 2017-05-22 | A kind of land plaster preparation method |
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| Publication Number | Publication Date |
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| CN107129252A true CN107129252A (en) | 2017-09-05 |
Family
ID=59732026
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710364881.9A Pending CN107129252A (en) | 2017-05-22 | 2017-05-22 | A kind of land plaster preparation method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108147761A (en) * | 2017-12-27 | 2018-06-12 | 应城市嘉鸿技术服务科技有限公司 | A kind of land plaster and preparation method thereof |
| CN108147764A (en) * | 2017-12-28 | 2018-06-12 | 应城市嘉鸿技术服务科技有限公司 | A kind of high-strength casting gypsum powder |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104355560A (en) * | 2014-10-21 | 2015-02-18 | 金正大生态工程集团股份有限公司 | Production method of alpha-gypsum powder with high strength |
| CN105967734A (en) * | 2016-03-29 | 2016-09-28 | 蚌埠华东石膏有限公司 | Wear-resistant insulation building gypsum powder and preparation method thereof |
-
2017
- 2017-05-22 CN CN201710364881.9A patent/CN107129252A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104355560A (en) * | 2014-10-21 | 2015-02-18 | 金正大生态工程集团股份有限公司 | Production method of alpha-gypsum powder with high strength |
| CN105967734A (en) * | 2016-03-29 | 2016-09-28 | 蚌埠华东石膏有限公司 | Wear-resistant insulation building gypsum powder and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108147761A (en) * | 2017-12-27 | 2018-06-12 | 应城市嘉鸿技术服务科技有限公司 | A kind of land plaster and preparation method thereof |
| CN108147764A (en) * | 2017-12-28 | 2018-06-12 | 应城市嘉鸿技术服务科技有限公司 | A kind of high-strength casting gypsum powder |
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