CN109694227A - Gypsum base Machine-blasting mortar and preparation method thereof and gypsum base machine spray plastering slurry - Google Patents
Gypsum base Machine-blasting mortar and preparation method thereof and gypsum base machine spray plastering slurry Download PDFInfo
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- CN109694227A CN109694227A CN201710995173.5A CN201710995173A CN109694227A CN 109694227 A CN109694227 A CN 109694227A CN 201710995173 A CN201710995173 A CN 201710995173A CN 109694227 A CN109694227 A CN 109694227A
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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
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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
- C04B28/144—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 a flue gas desulfurization product
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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
- 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
-
- 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
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
This application discloses a kind of gypsum base Machine-blasting mortars and preparation method thereof and a kind of gypsum base machine spray plastering slurry.The gypsum base Machine-blasting mortar includes desulfurized gypsum, intensifier for adjusting congelation, cement, water-retaining agent, retarder, water-reducing agent, latex powder, flyash and aggregate；The preparation method includes: to mix the other components in addition to intensifier for adjusting congelation, obtains premixing flour；Intensifier for adjusting congelation is configured to solution with water；Intensifier for adjusting congelation solution and water are added before the spray head that premixing flour passes through mechanically spraying equipment；The gypsum base machine spray plastering slurry includes above-mentioned gypsum base Machine-blasting mortar and water.Setting time of the gypsum base Machine-blasting mortar of the application before through spray head can delay to the greatest extent, by being condensed rapidly after spray head, make the plastering slurry sprayed intensity with higher after curing simultaneously, the various additives compatibility in mortar is good, easily adjusts control.
Description
Technical field
This application involves but be not limited to New Building Materials technical field, be more particularly without limitation, to a kind of spray of gypsum base machine
Mortar and preparation method thereof and the gypsum base machine spray plastering slurry prepared including the gypsum base Machine-blasting mortar.
Background technique
Decorative mortar can be divided into cement base and gypsum base two major classes by major gelled material.Cement-base plastering mortar due to
Own material defect, often generates wall hollow drum, cracking, rendering layer fall off and other issues, simultaneously as cement-based mortar
Cohesion it is lower, when plastering, needs to handle metope brushing interfacial agents or whitewashing, time-consuming.Gypsum base plastering mortar is usual
Refer to using gypsum as the premixing dry-mixed mortar of major gelled material, main includes manual plastering and mechanically spraying mortar two major classes.With
Technological equipment level and labor cost improve, traditional-handwork plastering just gradually develops to mechanically spraying construction direction.It is close several
Year, gypsum base Machine-blasting mortar growth momentum is swift and violent, and especially scratch coat gypsum growth rate reaches 300% or more.Mechanically spraying sand
Slurry has the advantages that workability is good, strong, environmentally protective with various base's binding forces compared to manual plastering mortar, and construction efficiency is people
3-5 times of work construction efficiency.Currently, tooling and house ornamentation metope that Europe is more than 90% are using machine spray gypsum mortar spraying.
The slurry that gypsum base Machine-blasting mortar adds mixing water to be formed is before through spray head, it may be necessary to store in spraying equipment
For a period of time, slurry needs interior condensation hardening in due course if being ejected.This requires gypsum base Machine-blasting mortars logical
Setting time before crossing spray head can extend to the greatest extent, condense rapidly after being sprayed by spray head, while require ejection
Slurry intensity with higher and adhesive property after curing.
Desulfurized gypsum is the industrial residue of discharge during coal fired power plant flue gas desulfurization, China's reality since the early 1990s
Apply power plant desulfurization technology, the stacking of a large amount of desulfurized gypsum not only land occupation, and pollute environment and therefore utilize desulfurization stone
Cream exploitation gypsum base Machine-blasting mortar is the important channel realizing desulfurized gypsum solid waste resource recovery and utilizing.
Summary of the invention
It is the general introduction to the theme being described in detail herein below.This general introduction is not the protection model in order to limit claim
It encloses.
This application provides a kind of gypsum base Machine-blasting mortars and preparation method thereof using desulfurized gypsum preparation, and including being somebody's turn to do
The gypsum base machine spray plastering slurry of gypsum base Machine-blasting mortar, the gypsum base Machine-blasting mortar is before the spray head by spraying equipment
Setting time can delay to the greatest extent, have by condensing rapidly after spray head, while after making the plastering slurry sprayed hardening
Higher intensity.
Specifically, this application provides a kind of gypsum base Machine-blasting mortars, and the gypsum base Machine-blasting mortar includes desulfurized gypsum
And intensifier for adjusting congelation.
In one embodiment, the intensifier for adjusting congelation can be selected from (NH4)2SO4、CaSO4·2H2One of O or
Two kinds.
In one embodiment, the desulfurized gypsum can all pass through 80-100 mesh.
In one embodiment, the specific surface area of the desulfurized gypsum can be 4500-6500m2/kg。
Present inventor in practice, it has been found that with desulfurized gypsum prepare gypsum base Machine-blasting mortar when, desulfurized gypsum
Granule size has a certain impact to the performance tool of plastering slurry.The granularity of desulfurized gypsum is too big, influences gypsum base Machine-blasting mortar
Heat evolution velocity and setting time；The granularity of desulfurized gypsum is too small, time-consuming and laborious in grinding treatment process early period, and can make
At unnecessary energy loss, increase production cost, while gypsum base Machine-blasting mortar is not easy when contacting with water when undersized
Dispersion, hydration process can reunite, and influence the overall performance of plastering slurry.
Therefore, in presently filed embodiment, the granularity of the desulfurized gypsum all passes through 80-100 mesh, specific surface
Product is 4500-6500m2/kg.The granularity of the desulfurized gypsum within the above range, can obtain that workability is excellent, volume is steady
Qualitative good, workability can preferable desulfurized gypsum base Machine-blasting mortar.
In one embodiment, the content of the desulfurized gypsum relative to 100 parts by weight, the intensifier for adjusting congelation can be
0.03-0.07 parts by weight.
In one embodiment, the gypsum base Machine-blasting mortar can also include cement, water-retaining agent, retarder, diminishing
Agent, latex powder, flyash and aggregate；Relative to the desulfurized gypsum of 100 parts by weight, the content of the cement can be 5-30 weight
Part, the content of the water-retaining agent can be 0.05-0.2 parts by weight, and the content of the retarder can be 0-0.03 parts by weight, institute
The content for stating water-reducing agent can be 0.02-0.08 parts by weight, and the content of the latex powder can be 0-3 parts by weight, the fine coal
The content of ash can be 0-7 parts by weight, and the content of the aggregate can be 50-200 parts by weight.
In one embodiment, the desulfurized gypsum relative to 100 parts by weight, the content of the cement can be 10-30
The content of parts by weight, the water-retaining agent can be 0.1-0.2 parts by weight, and the content of the intensifier for adjusting congelation can be 0.04-
The content of 0.06 parts by weight, the retarder can be 0-0.02 parts by weight, and the content of the water-reducing agent can be 0.03-0.06
Parts by weight, the content of the latex powder can be 1-2 parts by weight, and the content of the flyash can be 1-5 parts by weight, the bone
The content of material can be 50-80 parts by weight.
In one embodiment, the cement can be ordinary portland cement.
Optionally, the cement is the ordinary portland cement of 32.5#, 42.5#.
In one embodiment, the water-retaining agent can be hydroxypropyl methyl cellulose ether.Hydroxypropyl methyl cellulose
Ether is that a kind of additive amount is low but can significantly improve mortar performance and influence the main additive of mortar workability.In gypsum base
Water-retaining agent is added in Machine-blasting mortar, can make resulting decorative mortar not only has good thixotropic fluidity, but also has excellent wall
(vertical) face resists hanging from above property.
Optionally, the water-retaining agent is the hydroxypropyl methyl cellulose ether that viscosity is 40000-75000mpa.s.
In one embodiment, the retarder can be compound retarder.
Optionally, the retarder be TRICOSAL company, Germany produce efficient gypsum base retarder Retardan P,
The HyCon R 7200F that Retardan PE, BASF AG produce.
In one embodiment, the water-reducing agent can be in ethyl-amine resin based water reducer and poly carboxylic acid series water reducer
One or more.
Optionally, the water-reducing agent is poly carboxylic acid series water reducer, for example, the R+D Melflux of BASF AG's production
ECO 5691F。
In one embodiment, the latex powder can be redispersible latex powder, for example, watt gram, Yi Laitai it is public
The redispersible latex powder of the production of department5010N。
In one embodiment, the flyash can be the II grade flyash that granularity is 300-450 mesh.
In one embodiment, the aggregate can be selected from one of quartz sand, silicon ash and river sand or more.
Optionally, the granularity of the aggregate is 1-2mm.
This application provides a kind of gypsum base Machine-blasting mortar prepared using desulfurized gypsum, which has
Adjust indoor climate, light, heat absorption, sound insulation, fire-retardant, intensity matches with base course wall, is not in cracking and hollowing problem, ring
It ensures safety, is formaldehydeless benzene, "dead", bacterium is difficult to the good characteristics such as survive and propagate, and is the recycling of desulfurized gypsum waste residue
Using opening a new way.
The material of main part of the gypsum base Machine-blasting mortar of the application is desulfurized gypsum, less (the 5-30 weight of cement additive amount
Part), therefore it is entirely different with gypsum-cement (cement is more than gypsum addition) mixed system in traditional decorative mortar.
Meanwhile joined effective intensifier for adjusting congelation in the gypsum base Machine-blasting mortar of the application, the condensation to cementitious material
Time forms effective control, and realizing gypsum base Machine-blasting mortar, setting time can be most before the spray head by spraying equipment
Big degree delays, and by condensing rapidly after spray head, while making intensity with higher after the material hardening sprayed.
Present invention also provides a kind of methods for preparing gypsum base Machine-blasting mortar as described above, which comprises will
Desulfurized gypsum, cement, water-retaining agent, retarder, water-reducing agent, latex powder, flyash and aggregate are uniformly mixed, and obtain premixing flour；?
Intensifier for adjusting congelation is added before the spray head that the premixing flour passes through mechanically spraying equipment.
In one embodiment, the method may include following step:
The intensifier for adjusting congelation is configured to intensifier for adjusting congelation solution with water；
Desulfurized gypsum is prepared into α high strength gypsum；
Obtained α high strength gypsum is mixed with cement, water-retaining agent, retarder, water-reducing agent, latex powder, flyash and aggregate
Uniformly, premixing flour is obtained；
Before the spray head that the premixing flour passes through mechanically spraying equipment, by the premixing flour and the intensifier for adjusting congelation solution
Be uniformly mixed to get.
In this application, the concentration of intensifier for adjusting congelation solution is not required, as long as can be complete by the intensifier for adjusting congelation
It is dissolved in water.
In one embodiment, the water for preparing intensifier for adjusting congelation solution is preparation gypsum base machine spray plastering slurry
A part of water or the water for preparation gypsum base machine spray plastering slurry.In short, counting in for preparing intensifier for adjusting congelation solution
Water makes the consumptive use of water normal consistence of the 90-100mm of total dosage gypsum base Machine-blasting mortar of the water.
Present invention also provides a kind of gypsum base machines to spray plastering slurry, and the gypsum base machine spray plastering slurry includes institute as above
The gypsum base Machine-blasting mortar and water stated, wherein the dosage of the water is the normal consistency of the 90-100mm of gypsum base Machine-blasting mortar
Water consumption.
Compared with prior art, the gypsum base Machine-blasting mortar of the application or gypsum base machine prepared therefrom spray plastering slurry tool
It has the advantage that
(1) dry contraction or curing shrinkage rate are small；
(2) insulation, sound insulation value are good, are conducive to building energy conservation；
(3) green and pollution-free；
(4) there is fine tuning effect to indoor air humidity, there are good breathable properties；
(5) with cement-based material compared to low energy consumption；
(6) light, fire-retardant, and can be utilized with Infinite Cyclic；
(7) there is temperature adjustment function, the fluctuation range of room temperature can be effectively reduced, improve the comfort of living environment.
In addition, the gypsum base Machine-blasting mortar of the application or gypsum base machine prepared therefrom spray plastering slurry also have following volume
Outer advantage:
1. the various additives compatibility in the gypsum base Machine-blasting mortar of the application is good, control is easily adjusted；
2. the main material of the gypsum base Machine-blasting mortar of the application is desulfurized gypsum, desulfurized gypsum solid waste is effectively realized
Resource utilization.
3. the setting time of the gypsum base Machine-blasting mortar of the application can be effectively controlled, so that gypsum base Machine-blasting mortar exists
It can be delayed to the greatest extent by setting time before the spray head of spraying equipment, by condensing rapidly after spray head, while make to spray
Gypsum base machine out sprays plastering slurry intensity with higher after curing.
4. as selection (NH4)2SO4When as intensifier for adjusting congelation, the application property of gypsum base Machine-blasting mortar can be effectively improved
Can, while not introducing foreign ion (such as K that other pairs of desulfurized gypsum substrates have a negative impact+、Na+Plasma, these from
Son will cause mortar surface and return frost or accumulation of salt in the surface soil phenomenon).
Other features and advantage will illustrate in the following description, also, partly become from specification
It obtains it is clear that being understood and implementing the application.The purpose of the application and other advantages can be by specifications, right
Specifically noted structure is achieved and obtained in claim and attached drawing.
Detailed description of the invention
Attached drawing is used to provide to further understand technical scheme, and constitutes part of specification, with this
The embodiment of application is used to explain the technical solution of the application together, does not constitute the limitation to technical scheme.
Fig. 1 is the preparation flow figure of the gypsum base plastering slurry of the embodiment of the present application.
Specific embodiment
For the purposes, technical schemes and advantages of the application are more clearly understood, below in conjunction with attached drawing to the application
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature can mutual any combination.
Used raw materials and reagents in following embodiment are unless otherwise instructed ordinary commercial products or by normal
Rule means obtain.
Embodiment 1
(1) α high strength gypsum (80 mesh) 100g, 32.5# ordinary portland cement 10g, hydroxyl that desulfurized gypsum is prepared into are weighed
Propyl methocel ether 0.15g, efficient gypsum base retarder Retardan P (buying from TRICOSAL company, Germany)
0.01g, water-reducing agent R+D Melflux ECO 5691F (buy from BASF AG) 0.03g, redispersible latex powder5010N (buys from Wa Ke company) 1g, II grades of flyash 5g, river sand 50g, (NH4)2SO40.05g, mortar
90-100mm consumptive use of water normal consistence mixing water.
(2) when constructing, above-mentioned premix powder component (other substances in addition to intensifier for adjusting congelation and mixing water) is put into mixed
2-3min is mixed in conjunction machine, is then placed in mechanically spraying equipment；(the NH by described in4)2SO4With the dissolution of suitable mixing water, match
Intensifier for adjusting congelation solution is made；When soon spraying, the premix is added in the intensifier for adjusting congelation solution and remaining mixing water
In powder, it is sprayed on construction metope by spray head after mixing.
The performance of the gypsum base Machine-blasting mortar of preparation are as follows: dry density 1011kg/m3, flexural strength 2.2MPa, resistance to compression
Intensity is 4.2MPa, coefficient of softing 0.56.Gypsum base machine spray plastering slurry can be used for bottom layer alignment.
Embodiment 2
(1) α high strength gypsum (80 mesh) 100g, 32.5# ordinary portland cement 20g, hydroxyl that desulfurized gypsum is prepared into are weighed
Propyl methocel ether 0.15g, efficient gypsum base retarder Retardan P (buying from TRICOSAL company, Germany)
0.01g, water-reducing agent R+D Melflux ECO 5691F (buy from BASF AG) 0.05g, redispersible latex powder5010N (buys from Wa Ke company) 1g, II grades of flyash 5g, river sand 60g, (NH4)2SO40.05g, mortar
90-100mm consumptive use of water normal consistence mixing water.
(2) when constructing, above-mentioned premix powder component is put into mixing machine, 2-3min is mixed, be then placed in mechanically spraying
Equipment；(the NH by described in4)2SO4With the dissolution of suitable mixing water, it is configured to intensifier for adjusting congelation solution；When soon spraying, described
Before the spray head that premixing flour passes through mechanically spraying equipment, the premix is added in the intensifier for adjusting congelation solution and remaining mixing water
In powder, it is sprayed on construction metope by spray head after mixing.
The performance of the gypsum base Machine-blasting mortar of preparation are as follows: dry density 1230kg/m3, flexural strength 2.9MPa, resistance to compression
Intensity is 4.9MPa, coefficient of softing 0.61.Gypsum base machine spray plastering slurry can be used for bottom layer alignment.
Embodiment 3
(1) α high strength gypsum (80 mesh) 100g, 42.5# ordinary portland cement 30g, hydroxyl that desulfurized gypsum is prepared into are weighed
Propyl methocel ether 0.15g, efficient gypsum base retarder Retardan P (buying from TRICOSAL company, Germany)
0.01g, water-reducing agent R+D Melflux ECO 5691F (buy from BASF AG) 0.04g, redispersible latex powder5010N (buys from Wa Ke company) 1g, II grades of flyash 5g, river sand 80g, CaSO4·2H2O 0.05g、
The mixing water of the consumptive use of water normal consistence of the 90-100mm of mortar.
(2) when constructing, above-mentioned premix powder component is put into mixing machine, 2-3min is mixed, be then placed in mechanically spraying
Equipment；By the CaSO4·2H2O is dissolved with suitable mixing water, is configured to intensifier for adjusting congelation solution；When soon spraying, by institute
It states intensifier for adjusting congelation solution and remaining mixing water is added in the premixing flour, construction metope is sprayed by spray head after mixing
On.
The performance of the gypsum base Machine-blasting mortar of preparation are as follows: dry density 1351kg/m3, flexural strength 2.9MPa, resistance to compression
Intensity is 5.0MPa, coefficient of softing 0.59.Gypsum base machine spray plastering slurry can be used for bottom layer alignment.
Although embodiment disclosed by the application is as above, the content only for ease of understanding the application and use
Embodiment is not limited to the application.Technical staff in any the application fields, is taken off not departing from the application
Under the premise of the spirit and scope of dew, any modification and variation, but the application can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of gypsum base Machine-blasting mortar, the gypsum base Machine-blasting mortar includes desulfurized gypsum and intensifier for adjusting congelation.
2. gypsum base Machine-blasting mortar according to claim 1, wherein the intensifier for adjusting congelation is selected from (NH4)2SO4、
CaSO4·2H2One or both of O.
3. gypsum base Machine-blasting mortar according to claim 1, wherein the granularity of the desulfurized gypsum is 80-100 mesh.
4. gypsum base Machine-blasting mortar according to any one of claim 1-3, wherein the desulfurization relative to 100 parts by weight
Gypsum, the content of the intensifier for adjusting congelation are 0.03-0.07 parts by weight.
5. gypsum base Machine-blasting mortar according to any one of claim 1-3 further includes cement, water-retaining agent, retarder, subtracts
Aqua, latex powder, flyash and aggregate；Relative to the desulfurized gypsum of 100 parts by weight, the content of the cement is 5-30 weight
Part, the content of the water-retaining agent is 0.05-0.2 parts by weight, and the content of the intensifier for adjusting congelation is 0.03-0.07 parts by weight, institute
The content for stating retarder is 0-0.03 parts by weight, and the content of the water-reducing agent is 0.02-0.08 parts by weight, and the latex powder contains
Amount is 0-3 parts by weight, and the content of the flyash is 0-7 parts by weight, and the content of the aggregate is 50-200 parts by weight.
6. gypsum base Machine-blasting mortar according to claim 5, wherein relative to the desulfurized gypsum of 100 parts by weight, the water
The content of mud is 10-30 parts by weight, and the content of the water-retaining agent is 0.1-0.2 parts by weight, and the content of the intensifier for adjusting congelation is
0.04-0.06 parts by weight, the content of the retarder are 0-0.02 parts by weight, and the content of the water-reducing agent is 0.03-0.06 weight
Part is measured, the content of the latex powder is 1-2 parts by weight, and the content of the flyash is 1-5 parts by weight, and the content of the aggregate is
50-80 parts by weight.
7. gypsum base Machine-blasting mortar according to claim 5, wherein the cement is ordinary portland cement；
Optionally,
The water-retaining agent is hydroxypropyl methyl cellulose ether；
The retarder is compound retarder；
The water-reducing agent is selected from one of ethyl-amine resin based water reducer and poly carboxylic acid series water reducer or more；
The latex powder is redispersible latex powder；
The flyash is the II grade flyash that granularity is 300-450 mesh；
The aggregate is selected from one of quartz sand, silicon ash and river sand or more.
8. a kind of method for preparing gypsum base Machine-blasting mortar described in any one of -7 according to claim 1, which comprises
Desulfurized gypsum, cement, water-retaining agent, retarder, water-reducing agent, latex powder, flyash and aggregate are uniformly mixed, premixing flour is obtained；
Intensifier for adjusting congelation is added before the spray head that the premixing flour passes through mechanically spraying equipment.
9. according to the method described in claim 8, including the following steps:
The intensifier for adjusting congelation is configured to intensifier for adjusting congelation solution with water；
Desulfurized gypsum is prepared into α high strength gypsum；
Obtained α high strength gypsum is uniformly mixed with cement, water-retaining agent, retarder, water-reducing agent, latex powder, flyash and aggregate,
Obtain premixing flour；
Before the spray head that the premixing flour passes through mechanically spraying equipment, the premixing flour is mixed with the intensifier for adjusting congelation solution
Uniformly to get.
10. a kind of gypsum base machine spray plastering slurry, the gypsum base machine spray plastering slurry includes any in -7 according to claim 1
Gypsum base Machine-blasting mortar and water described in, wherein the dosage of the water is the standard of the 90-100mm of gypsum base Machine-blasting mortar
Consistency water consumption.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710995173.5A CN109694227B (en) | 2017-10-23 | 2017-10-23 | Gypsum-based machine sandblasting slurry, preparation method thereof and gypsum-based machine sandblasting surface slurry |
| PCT/CN2018/092825 WO2019080527A1 (en) | 2017-10-23 | 2018-06-26 | Gypsum-based mechanical spraying plastering mortar, preparation method therefor, and gypsum-based mechanical spraying slurry |
| CZ2019-767A CZ2019767A3 (en) | 2017-10-23 | 2018-06-26 | Gypsum-based plastering mortar, preparing it and mechanical gypsum-based spray suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710995173.5A CN109694227B (en) | 2017-10-23 | 2017-10-23 | Gypsum-based machine sandblasting slurry, preparation method thereof and gypsum-based machine sandblasting surface slurry |
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| Publication Number | Publication Date |
|---|---|
| CN109694227A true CN109694227A (en) | 2019-04-30 |
| CN109694227B CN109694227B (en) | 2021-09-21 |
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|---|---|
| CN (1) | CN109694227B (en) |
| CZ (1) | CZ2019767A3 (en) |
| WO (1) | WO2019080527A1 (en) |
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| CN113105151A (en) * | 2021-04-19 | 2021-07-13 | 贵州宇昆湿拌砂浆环保建材有限公司 | Additive for improving performance of phosphogypsum cement-based wet-mixed mortar and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109694227B (en) | 2021-09-21 |
| CZ2019767A3 (en) | 2020-05-13 |
| WO2019080527A1 (en) | 2019-05-02 |
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