CN108285299A - dry-mixed mortar dry blend and dry-mixed mortar - Google Patents
dry-mixed mortar dry blend and dry-mixed mortar Download PDFInfo
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- CN108285299A CN108285299A CN201810266956.4A CN201810266956A CN108285299A CN 108285299 A CN108285299 A CN 108285299A CN 201810266956 A CN201810266956 A CN 201810266956A CN 108285299 A CN108285299 A CN 108285299A
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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
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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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The present invention relates to building material fields, and more particularly to a kind of dry-mixed mortar dry blend and dry-mixed mortar.In parts by weight, dry-mixed mortar dry blend includes 50 80 parts of resin slags, 200 600 parts of cement, 100 200 parts of reclaimed sands, 50 80 parts of electrolytic manganese residues, 20 40 parts of mixing anti-caking agent, 20 30 parts of pulverized limestones, 10 40 parts of water-retaining agent and 10 40 parts of coalescents；The grain size of electrolytic manganese residues is 10 20 microns.Dry-mixed mortar dry blend can promote dry-mixed mortar dry blend to be mixed evenly with the cement mortar that water is mixed to get by each substance synergistic effect, prevent cement mortar is dry and hard from falling off, its halogen that gets damp and return is prevented, and good mechanical strength can be provided for cement mortar.
Description
Technical field
The present invention relates to building material fields, and more particularly to a kind of dry-mixed mortar dry blend and dry-mixed mortar.
Background technology
Dry-mixed mortar refers to the various components determined with cement and according to performance of gathering materials through dry screening process, by one
Certainty ratio is mixed in professional production factory, dry-mixed is mixed what place to use added that water or mating liquid mix uses to scale
Close object.Since dry-mixed mortar needs rejoin water or mating liquid is mixed in construction ground, after secondary mixing
The cement mortar unstable quality arrived is commonly present situations such as mixing is uneven, influences the intensity of cement mortar, also result in cement
Mortar is easy dry and hard to fall off and return halogen.
Invention content
The purpose of the present invention is to provide a kind of dry-mixed mortar dry blends, can ensure each object after the mixing of secondary plus water
Material is uniformly mixed, and ensure the cement mortar being mixed to get with water with good mechanical strength, be not easy it is dry and hard fall off, be not easy to
It gets damp and returns halogen.
Another object of the present invention is to provide a kind of dry-mixed mortars, and the dry-mixed mortar resting period is long, during storage
Be not susceptible to it is dry and hard, and have higher mechanical strength.
The present invention solves its technical problem using following technical scheme to realize：
The present invention proposes a kind of dry-mixed mortar dry blend, in parts by weight comprising 50-80 parts of resin slags, 200-600 parts
Cement, 100-200 part reclaimed sand, 50-80 parts of electrolytic manganese residues, 20-40 parts of mixing anti-caking agent, 20-30 parts of pulverized limestones, 10-40 parts
Water-retaining agent and 10-40 parts of coalescents；The grain size of electrolytic manganese residues is 10-20 microns.
The present invention proposes a kind of dry-mixed mortar comprising above-mentioned dry-mixed mortar dry blend.
The dry-mixed mortar dry blend of the embodiment of the present invention and the advantageous effect of dry-mixed mortar are：Dry-mixed mortar dry blend is logical
Crossing each substance synergistic effect can promote dry-mixed mortar dry blend to be mixed evenly with the cement mortar that water is mixed to get, and prevent
Cement mortar is dry and hard to fall off, and prevents its halogen that gets damp and return, and good mechanical strength can be provided for cement mortar.
Specific implementation mode
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, builds according to normal condition or manufacturer
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
In the description of the present invention, it should be noted that term " first ", " second " etc. are only used for distinguishing description, without
It can be interpreted as indicating or implying relative importance.
The dry-mixed mortar dry blend and dry-mixed mortar of the embodiment of the present invention are specifically described below.
A kind of dry-mixed mortar dry blend provided in an embodiment of the present invention, in parts by weight comprising 50-80 parts of resin slags,
200-600 parts of cement, 100-200 parts of reclaimed sands, 50-80 parts of electrolytic manganese residues, 20-40 parts of agent of mixing anti-caking, 20-30 parts of lime
Powder, 10-40 part water-retaining agent and 10-40 parts of coalescents；The grain size of electrolytic manganese residues is 10-20 microns.
Dry-mixed mortar dry blend include 55-75 parts of resin slags, 300-500 parts of cement, 120-180 parts of reclaimed sands, 60-70 parts
Electrolytic manganese residues, 25-35 parts of mixing anti-caking agent, 22-28 parts of pulverized limestones, 20-30 parts of water-retaining agent and 15-35 parts of coalescents.
Dry-mixed mortar dry blend include 60-70 parts of resin slags, 400-450 parts of cement, 150-160 parts of reclaimed sands, 65-68 parts
Electrolytic manganese residues, 28-30 parts of mixing anti-caking agent, 25-27 parts of pulverized limestones, 23-25 parts of water-retaining agent and 20-25 parts of coalescents.
The cement mortar that dry-mixed mortar dry blend can be promoted to be mixed to get with water using above-mentioned each substance synergistic effect
Mixing evenly, while can prevent cement mortar is dry and hard to fall off by the collaboration of the ratio between above-mentioned each substance, prevent
Its halogen that gets damp and return, and good mechanical strength can be provided for cement mortar.Specifically, dry-mixed mortar dry blend is mixed with water
Resin slag can promote the water retention property and anti-permeability performance of cement mortar in obtained cement mortar, while be provided for cement mortar
Good adhesive force.Cement, reclaimed sand, electrolytic manganese residues and pulverized limestone etc. provide the basis of mechanical strength for cement mortar,
And dry and hard it can not only can more be increased with its is effectively prevent in water mixed process in dry-mixed mortar dry blend by mixing anti-caking agent
The mechanical strength of strong cement mortar, is further mutually acted synergistically by water-retaining agent and coalescents, promotes the guarantor of cement mortar
Aqueous energy, flexility and adhesive property.And pass through the synergistic effect of above-mentioned substance different proportion so that cement mortar has good
Adhesive property well, water retention property are prevented getting damp, prevent returning halogen performance, while having higher mechanical performance.
Resin slag can absorb cement bonded sand in base or bulk in dry-mixed mortar dry blend in water mixed process
It while moisture in slurry, keeps the skin wet in time into cement mortar, and other substances in cement mortar is driven to connect with base
It connects, then ensures that water and dry-mixed mortar dry blend are still uniformly mixed in cement mortar, prevent bleeding from detaching, and ensure cement bonded sand
The adhesive property of slurry.And after smearing cement mortar, when moisture increases in cement mortar, resin slag can be with absorbed portion
Water prevents cement mortar from seeping water, and further promotes the anti-permeability performance of cement mortar.
The mechanical strength of cement mortar can be not only promoted using electrolytic manganese residues simultaneously, manganese slag has higher internal holes
Porosity, while also there is preferable chemical stability, inventor to find to be improved and will likely generate as thermal insulation material
Unexpected effect, the cement mortar that the material mixings such as electrolytic manganese residues, water-retaining agent, coalescents and cement are prepared
With good thermal and insulating performance, and it can achieve the purpose that waste reclamation.
Specifically, the grain size of electrolytic manganese residues is 10-20 microns, this condition is also to obtain dry-mixed mortar dry blend heat-insulating property
With the key condition of mechanical strength, if the excessive one side of grain size influences other additives in dry-mixed mortar dry blend and uses, more
For it is important that heat-insulating property and mechanical strength are also affected.
Further, using the reclaimed sand production cost that can either reduce dry-mixed mortar dry blend mixed with cement, simultaneously
Ensure that cement mortar has good mechanical strength.The addition of pulverized limestone not only increases the mechanical property of cement mortar, also increases
Its water resistance.
It includes phosphorus slag and exciting agent to mix anti-caking agent.With exciting agent hydration reaction occurs for phosphorus slag, then generates gelling water
Change product, it is dry and hard therefore, it is possible to effectively avoid dry-mixed mortar dry blend from occurring during storage, extend its quality guarantee period.Together
When, phosphorus slag reacts with exciting agent can prevent cement mortar rapid condensation, and hydrated product enables to after reaction
Water mudrock structure is even closer in cement mortar, and interior porosity declines, and hole diameter becomes smaller, thus strong to the cement mortar later stage
Degree development is advantageous, to make cement mortar later strength improve.In addition, phosphorus slag has higher activity, secondary reaction of hydration
Cement strength, which can be improved, improves interfacial structure and pore-size distribution, and cement mortar later strength is made to improve.And by with electrolytic manganese
The interaction of slag, pulverized limestone, water-retaining agent and coalescents promotes the dispersion of each substance and filling effect in cement mortar,
Further such that cement mortar structure is finer and close, intensity increases.
Exciting agent be exciting agent in the prior art, such as calcium hydroxide alkali-activator or other alkali-activators or
Person's basic salt exciting agent.
Further, the grain size of phosphorus slag is 10-50 microns, preferably 20-30 microns.The grain size of phosphorus slag is also required to be closed
The control of reason ensures that dry-mixed mortar dry blend is easy to be uniformly mixed with water, then ensures the quality of cement mortar, meanwhile, ensure
Hydration reaction can quickly occurs in it, and promotes the mechanical property of cement mortar.
Further, water-retaining agent is cellulose water retention agent, is selected as methyl cellulose ethers water-retaining agent, more preferably hydroxyl
Propyl methocel.Methyl cellulose ethers water-retaining agent itself has dissolubility and goes hydration, and it is with a large amount of water
The very strong OH bases of the property changed, only swelling is insoluble in water, but when introducing substituent group in strand, and cellulose ether becomes water-soluble
Property, form high viscosity solution.When the temperature increases, macromolecule hydration weakens, and the water of interchain is expelled out of.Work as desiccation
When abundant, molecule starts to assemble, and forms tridimensional network gel and folds.Therefore, it is possible to as water-retaining agent, contribute to cement water
Change the process that product absorbs moisture content with base, penetrate into base, is formed and effective " key couples " between base, increase
The bonding force of cement mortar.
Coalescents include polymerization species compound, preferably high molecular weight water soluble polymer, more preferably polyvinyl alcohol.
PVA is tiny particulate polymers, is easily disperseed in cold water, in water can rapid disperse, the viscosity stability of aqueous solution
Well, many characteristics of Shanghai and Nanjing figure be can be improved in this way, while the function of also capillary, there is suction-operated.Polyvinyl alcohol with
Hydroxypropyl methyl cellulose is to improve the flexibility of cement mortar, water-retaining property, improve mortar bonding.
In some embodiments of the invention, dry-mixed mortar dry blend further includes 1-3 parts of polycrystalline mullite fibre, preferably
1.2-1.8 part.Polycrystalline mullite fibre specific surface area is larger, effectively the contact area of enhancing and cement etc., increases it mixed
Coagulate the cementability in the matrix of soil so that the thermal insulation concrete of slag containing manganese is more fine and close, enhances its intensity.
Preferably, the raw material of dry-mixed mortar dry blend further includes 0.5-3 parts of auxiliary agent；Auxiliary agent include antifoaming agent, levelling agent and
Drier.It can be selectively added antifoaming agent, levelling agent and drier, improve the comprehensive performance of cement mortar.
Specifically, antifoaming agent inhibits foam to generate for reducing the surface tension in the process of powder of lacquer putty for use on, can be with
For silicone emulsion, dimethyl silicone polymer or polypropylene glycerol aether etc..Levelling agent can be silicone oil, and drier main function is
Accelerated oxidation, polymerization, drying achieve the purpose that quick-drying, such as dibutyl tin laurate.
The embodiment of the present invention also provides a kind of dry-mixed mortar comprising above-mentioned dry-mixed mortar dry blend.
The embodiment of the present invention also provides a kind of method preparing dry-mixed mortar dry blend：
S1, screening；
Resin slag is sieved so that the quality that grain size is in 120-200 microns of resin slag accounts for total resin slag amount
30-50%, the grain size of residual resin slag is 300-400 microns；
Electrolytic manganese residues are sieved so that the quality that grain size is in 10-15 microns of electrolytic manganese residues accounts for total electrolytic manganese residues
The grain size of the 45-65% of quality, remaining electrolytic manganese residues are 15-20 microns；
Reclaimed sand is sieved so that the quality that grain size is in 50-100 microns of reclaimed sand accounts for total reclaimed sand quality
The grain size of 70-85%, remaining reclaimed sand are 200-300 microns.
Resin slag, reclaimed sand and electrolytic manganese residues are sieved, the smaller substance of grain size is picked out, it is each convenient for the later stage
A substance can be faster uniformly mixed.Meanwhile select above-mentioned grain size be more convenient for secondary plus water when, each substance can be with water
It is uniformly mixed, ensures the uniformity coefficient and quality of cement mortar, and ensure that each hydration reaction can be smoothed out, then protect
Demonstrate,prove mechanical property and the heat-insulating property etc. of cement mortar.
S2, mixing；
It is mixed to get the first mixture for the first time：By exciting agent and water according to 150-200:1 mass ratio mix
To sticky mixture, grain size is then in 120-200 microns of resin slag, grain size be in 50-100 microns reclaimed sand and
Grain size is in the cement of 10-15 microns of electrolytic manganese residues and pulverized limestone and 20-30% (cement is the 20-30% of total cement quality)
Mixture mixed with the aqueous solution of exciting agent so that each solid matter exciting agent be uniformly mixed.
It is mixed to get the second mixture for the second time：By coalescents and temperature be 70-85 DEG C water according to 80-120：0.5
Mass ratio mixing, obtain high-consistency substance.High-consistency substance and remaining cement mixing, then successively again with phosphorus slag and water-retaining agent
Mixing.
The second mixture and the first mixture is then respectively dried, removes excessive moisture.
Dry-mixed mortar dry blend：By the first mixture, the second mixture and remaining electrolytic manganese residues, reclaimed sand and tree
Greaves mixing obtains dry-mixed mortar dry blend.
Can ensure that each material mixing is uniform using above-mentioned mixing, and can exciting agent and phosphorus slag respectively by different material
Interval, in not second plus water, the two will not react, and will not then react in dry-mixed mortar dry blend, ensure
The stability of dry-mixed mortar dry blend.
, can be quickly uniform by water and each material mixing and by above-mentioned hybrid mode in secondary plus water, ensure
The cement mortar being prepared has good mechanical strength, heat-insulating property and prevents returning halogen and performance of getting damp.
Other auxiliary agents, such as antifoaming agent, levelling agent, drier and polycrystalline mullite fibre are being mixed with dry mixing sand
It is added when starching dry blend.
Directly water is mixed with dry-mixed mortar when use.
The feature and performance of the present invention are described in further detail with reference to embodiments.
Embodiment 1
The present embodiment provides a kind of dry-mixed mortar dry blends comprising 50Kg resins slag, 200Kg cement, 100Kg regeneration
Sand, 50Kg electrolytic manganese residues, the agent of 20Kg mixing anti-cakings, 20Kg pulverized limestones, 10Kg water-retaining agent and 10Kg coalescents；Electrolytic manganese residues
Grain size be 10-20 microns.Wherein, mixing anti-caking agent includes phosphorus slag and exciting agent, and the grain size of phosphorus slag is 10-15 microns, water conservation
Agent is hydroxypropyl methyl cellulose, and coalescents are polyvinyl alcohol.
The present embodiment provides a kind of dry-mixed mortars comprising above-mentioned dry-mixed mortar dry blend.
The present embodiment also provides a kind of preparation method of dry-mixed mortar dry blend：
S1, screening；
Resin slag is sieved so that the quality that grain size is in 120-200 microns of resin slag accounts for total resin slag amount
30%, the grain size of residual resin slag is 300-400 microns；
Electrolytic manganese residues are sieved so that the quality that grain size is in 10-15 microns of electrolytic manganese residues accounts for total electrolytic manganese residues
The grain size of the 45% of quality, remaining electrolytic manganese residues is 15-20 microns；
Reclaimed sand is sieved so that the quality that grain size is in 50-100 microns of reclaimed sand accounts for total reclaimed sand quality
70%, the grain size of remaining reclaimed sand is 200-300 microns.
S2, mixing；
First mixture：By exciting agent and water according to 200:1 mass ratio, which is mixed, is then in grain size for grain size
120-200 microns of resin slag, grain size are in 50-100 microns of reclaimed sand and grain size be in 10-15 microns of electrolytic manganese residues with
The mixture of the cement of pulverized limestone and 20-22% is mixed with the aqueous solution of exciting agent.
Second mixture：By coalescents and temperature be 70 DEG C water according to 120：0.5 mass ratio mixing obtains high thick
Spend substance.High-consistency substance and remaining cement mixing, then mix with phosphorus slag and water-retaining agent again successively.
The second mixture and the first mixture is then respectively dried.
First mixture, the second mixture and remaining electrolytic manganese residues, reclaimed sand and resin slag are mixed and obtained
Dry-mixed mortar.
Embodiment 2
The present embodiment provides a kind of dry-mixed mortar dry blends comprising 80Kg resins slag, 600Kg cement, 200Kg regeneration
Sand, 80Kg electrolytic manganese residues, the agent of 40Kg mixing anti-cakings, 30Kg pulverized limestones, 40Kg water-retaining agent, 40Kg coalescents, 1Kg polycrystalline do not come
Mineral wool and 3Kg auxiliary agents；The grain size of electrolytic manganese residues is 10-20 microns.Wherein, mixing anti-caking agent includes phosphorus slag and exciting agent, phosphorus
The grain size of slag is 20-30 microns, and water-retaining agent is hydroxypropyl methyl cellulose, and coalescents are polyvinyl alcohol, and auxiliary agent includes defoaming
Agent, levelling agent and drier.
The present embodiment also provides a kind of preparation method of dry-mixed mortar dry blend：
S1, screening；
Resin slag is sieved so that the quality that grain size is in 120-200 microns of resin slag accounts for total resin slag amount
50%, the grain size of residual resin slag is 300-400 microns；
Electrolytic manganese residues are sieved so that the quality that grain size is in 10-15 microns of electrolytic manganese residues accounts for total electrolytic manganese residues
The grain size of the 65% of quality, remaining electrolytic manganese residues is 15-20 microns；
Reclaimed sand is sieved so that the quality that grain size is in 50-100 microns of reclaimed sand accounts for total reclaimed sand quality
85%, the grain size of remaining reclaimed sand is 200-300 microns.
S2, mixing；
First mixture：By exciting agent and water according to 180:1 mass ratio, which is mixed, is then in grain size for grain size
120-200 microns of resin slag, grain size are in 50-100 microns of reclaimed sand and grain size be in 10-15 microns of electrolytic manganese residues with
The mixture of the cement of pulverized limestone and 20-22% is mixed with the aqueous solution of exciting agent.
Second mixture：By coalescents and temperature be 85 DEG C water according to 100：0.5 mass ratio mixing obtains high thick
Spend substance.High-consistency substance and remaining cement mixing, then mix with phosphorus slag and water-retaining agent again successively.
The second mixture and the first mixture is then respectively dried.
By the first mixture, the second mixture, auxiliary agent, polycrystalline mullite fibre and remaining electrolytic manganese residues, reclaimed sand
And the mixing of resin slag obtains dry-mixed mortar.
Embodiment 3：
Dry-mixed mortar dry blend includes 55Kg resins slag, 300Kg cement, 120Kg reclaimed sands, 60Kg electrolytic manganese residues, 25Kg
Mix anti-caking agent, 22Kg pulverized limestones, 20Kg water-retaining agent, 30Kg coalescents, 3Kg polycrystalline mullite fibres and 0.5Kg auxiliary agents；Electricity
The grain size for solving manganese slag is 10-20 microns, and the grain size of phosphorus slag is 40-50 microns, and water-retaining agent is hydroxypropyl methyl cellulose, and film forming helps
Agent is polyvinyl alcohol, and auxiliary agent includes antifoaming agent, levelling agent and drier.
The preparation method of dry-mixed mortar dry blend：
S1, screening；
Resin slag is sieved so that the quality that grain size is in 130-150 microns of resin slag accounts for total resin slag amount
45%, the grain size of residual resin slag is 320-380 microns；
Electrolytic manganese residues are sieved so that the quality that grain size is in 10-12 microns of electrolytic manganese residues accounts for total electrolytic manganese residues
The grain size of the 50% of quality, remaining electrolytic manganese residues is 17-20 microns；
Reclaimed sand is sieved so that the quality that grain size is in 70-80 microns of reclaimed sand accounts for total reclaimed sand quality
80%, the grain size of remaining reclaimed sand is 250-280 microns.
S2, mixing；
First mixture：By exciting agent and water according to 150:1 mass ratio, which is mixed, is then in grain size for grain size
130-150 microns of resin slag, grain size are in 70-80 microns of reclaimed sand and grain size be in 10-12 microns of electrolytic manganese residues with
The mixture of the cement of pulverized limestone and 25-28% is mixed with the aqueous solution of exciting agent.
Second mixture：By coalescents and temperature be 80 DEG C water according to 80：0.5 mass ratio mixing obtains high thick
Spend substance.High-consistency substance and remaining cement mixing, then mix with phosphorus slag and water-retaining agent again successively.
The second mixture and the first mixture is then respectively dried.
By the first mixture, the second mixture, auxiliary agent, polycrystalline mullite fibre and remaining electrolytic manganese residues, reclaimed sand
And the mixing of resin slag obtains dry-mixed mortar.
Embodiment 4
Dry-mixed mortar dry blend includes 75Kg resins slag, 500Kg cement, 180Kg reclaimed sands, 70Kg electrolytic manganese residues, 35Kg
Mix anti-caking agent, 28Kg pulverized limestones, 30Kg water-retaining agent, 15Kg coalescents, 1.2Kg polycrystalline mullite fibres and 2Kg auxiliary agents；Electricity
The grain size for solving manganese slag is 12-19 microns, and the grain size of phosphorus slag is 10-50 microns, and water-retaining agent is hydroxypropyl methyl cellulose, and film forming helps
Agent is polyvinyl alcohol, and auxiliary agent includes antifoaming agent, levelling agent and drier.
The preparation method of dry-mixed mortar dry blend：
S1, screening；
Resin slag is sieved so that the quality that grain size is in 160-190 microns of resin slag accounts for total resin slag amount
35%, the grain size of residual resin slag is 330-360 microns；
Electrolytic manganese residues are sieved so that the quality that grain size is in 12-15 microns of electrolytic manganese residues accounts for total electrolytic manganese residues
The grain size of the 55% of quality, remaining electrolytic manganese residues is 18-19 microns；
Reclaimed sand is sieved so that the quality that grain size is in 60-90 microns of reclaimed sand accounts for total reclaimed sand quality
75%, the grain size of remaining reclaimed sand is 270-290 microns.
S2, mixing；
First mixture：By exciting agent and water according to 190:1 mass ratio, which is mixed, is then in grain size for grain size
160-190 microns of resin slag, grain size are in 60-90 microns of reclaimed sand and grain size be in 12-15 microns of electrolytic manganese residues with
The mixture of the cement of pulverized limestone and 21-29% is mixed with the aqueous solution of exciting agent.
Second mixture：By coalescents and temperature be 82 DEG C water according to 110：0.5 mass ratio mixing obtains high thick
Spend substance.High-consistency substance and remaining cement mixing, then mix with phosphorus slag and water-retaining agent again successively.
The second mixture and the first mixture is then respectively dried.
By the first mixture, the second mixture, auxiliary agent, polycrystalline mullite fibre and remaining electrolytic manganese residues, reclaimed sand
And the mixing of resin slag obtains dry-mixed mortar.
Embodiment 5
Dry-mixed mortar dry blend includes 60Kg resins slag, 400Kg cement, 150Kg reclaimed sands, 65Kg electrolytic manganese residues, 28Kg
Mix anti-caking agent, 25Kg pulverized limestones, 23Kg water-retaining agent, 25Kg coalescents, 1.8Kg polycrystalline mullite fibres and 2Kg auxiliary agents；Electricity
The grain size for solving manganese slag is 10-20 microns, and the grain size of phosphorus slag is 10-50 microns, and water-retaining agent is hydroxypropyl methyl cellulose, and film forming helps
Agent is polyvinyl alcohol, and auxiliary agent includes antifoaming agent, levelling agent and drier.
The preparation method of dry-mixed mortar dry blend：
S1, screening；
Resin slag is sieved so that the quality that grain size is in 145-200 microns of resin slag accounts for total resin slag amount
48%, the grain size of residual resin slag is 330-400 microns；
Electrolytic manganese residues are sieved so that the quality that grain size is in 11-13 microns of electrolytic manganese residues accounts for total electrolytic manganese residues
The grain size of the 57% of quality, remaining electrolytic manganese residues is 16-19 microns；
Reclaimed sand is sieved so that the quality that grain size is in 55-90 microns of reclaimed sand accounts for total reclaimed sand quality
76%, the grain size of remaining reclaimed sand is 215-275 microns.
S2, mixing；
First mixture：By exciting agent and water according to 165:1 mass ratio, which is mixed, is then in grain size for grain size
145-200 microns of resin slag, grain size are in 55-90 microns of reclaimed sand and grain size be in 11-13 microns of electrolytic manganese residues with
The mixture of the cement of pulverized limestone and 23-29% is mixed with the aqueous solution of exciting agent.
Second mixture：By coalescents and temperature be 83 DEG C water according to 105：0.5 mass ratio mixing obtains high thick
Spend substance.High-consistency substance and remaining cement mixing, then mix with phosphorus slag and water-retaining agent again successively.
The second mixture and the first mixture is then respectively dried.
By the first mixture, the second mixture, auxiliary agent, polycrystalline mullite fibre and remaining electrolytic manganese residues, reclaimed sand
And the mixing of resin slag obtains dry-mixed mortar.
Embodiment 6
Dry-mixed mortar dry blend includes 70Kg resins slag, 450Kg cement, 160Kg reclaimed sands, 68Kg electrolytic manganese residues, 30Kg
Mix anti-caking agent, 27Kg pulverized limestones, 25Kg water-retaining agent, 20Kg coalescents, 2Kg polycrystalline mullite fibres and 2.5Kg auxiliary agents；Electricity
The grain size for solving manganese slag is 13-19 microns, and the grain size of phosphorus slag is 20-40 microns, and water-retaining agent is hydroxypropyl methyl cellulose, and film forming helps
Agent is polyvinyl alcohol, and auxiliary agent includes antifoaming agent, levelling agent and drier.
The preparation method of dry-mixed mortar dry blend：
S1, screening；
Resin slag is sieved so that the quality that grain size is in 135-190 microns of resin slag accounts for total resin slag amount
37%, the grain size of residual resin slag is 310-390 microns；
Electrolytic manganese residues are sieved so that the quality that grain size is in 13-15 microns of electrolytic manganese residues accounts for total electrolytic manganese residues
The grain size of the 62% of quality, remaining electrolytic manganese residues is 16-19 microns；
Reclaimed sand is sieved so that the quality that grain size is in 55-85 microns of reclaimed sand accounts for total reclaimed sand quality
78%, the grain size of remaining reclaimed sand is 220-300 microns.
S2, mixing；
First mixture：By exciting agent and water according to 175:1 mass ratio, which is mixed, is then in grain size for grain size
135-190 microns of resin slag, grain size are in 55-85 microns of reclaimed sand and grain size be in 13-15 microns of electrolytic manganese residues with
The mixture of the cement of pulverized limestone and 25-30% is mixed with the aqueous solution of exciting agent.
Second mixture：By coalescents and temperature be 75 DEG C water according to 115：0.5 mass ratio mixing obtains high thick
Spend substance.High-consistency substance and remaining cement mixing, then mix with phosphorus slag and water-retaining agent again successively.
The second mixture and the first mixture is then respectively dried.
By the first mixture, the second mixture, auxiliary agent, polycrystalline mullite fibre and remaining electrolytic manganese residues, reclaimed sand
And the mixing of resin slag obtains dry-mixed mortar.
Comparative example
Comparative example 1：The preparation method provided according to embodiment 1 prepares dry-mixed mortar dry blend, and difference lies in without containing electricity
Solve manganese slag.
Comparative example 2：The preparation method provided according to embodiment 1 prepares dry-mixed mortar dry blend, and difference lies in without containing tree
Greaves.
Comparative example 3：The preparation method provided according to embodiment 1 prepares dry-mixed mortar dry blend, and difference lies in ratio generations
Variation, specific resin slag 100Kg, cement 1000Kg, reclaimed sand 250Kg, 100Kg electrolytic manganese residues, 40Kg pulverized limestones, 50Kg water conservations
Agent, 50Kg coalescents and 50Kg mix anti-caking agent.
Comparative example 4：The raw material and ratio provided according to embodiment 1 prepares dry-mixed mortar dry blend, and preparation method is straight
It connects and directly mixes all substances.
Experimental example
The dry-mixed mortar dry blend of embodiment 1-6 and comparative example 1-4 are detected, examination criteria reference《Pre- sand cutting
Starch technical regulation》(DGJ32/J13-2005), testing result is referring to table 1.
1 dry-mixed mortar dry blend performance indicator of table
According to table 1 it is found that dry-mixed mortar dry blend provided in an embodiment of the present invention and dry-mixed mortar have good machine
Tool intensity, shrinking percentage is low, can effectively prevent concrete cracking, fall off, be further ensured that the quality of concrete.
To sum up, the dry-mixed mortar dry blend that 1-6 of the embodiment of the present invention is provided can be promoted by each substance synergistic effect
Dry-mixed mortar dry blend mixes evenly with the cement mortar that water is mixed to get, and prevents cement mortar is dry and hard from falling off, prevents it from returning
Tide and halogen is returned, and good mechanical strength can be provided for cement mortar.
Embodiments described above is a part of the embodiment of the present invention, instead of all the embodiments.The reality of the present invention
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Claims (10)
1. a kind of dry-mixed mortar dry blend, which is characterized in that in parts by weight comprising 50-80 parts of resin slags, 200-600 parts
Cement, 100-200 part reclaimed sand, 50-80 parts of electrolytic manganese residues, 20-40 parts of mixing anti-caking agent, 20-30 parts of pulverized limestones, 10-40 parts
Water-retaining agent and 10-40 parts of coalescents；The grain size of the electrolytic manganese residues is 10-20 microns.
2. dry-mixed mortar dry blend according to claim 1, which is characterized in that in parts by weight, the dry-mixed mortar is dry
Batch mixing includes the 55-75 parts of resin slags, the 300-500 parts of cement, the 120-180 parts of reclaimed sands, the 60-70 parts of electricity
Solve manganese slag, the 25-35 parts of mixing anti-caking agent, the 22-28 parts of pulverized limestones, the 20-30 parts of water-retaining agent and 15-35 parts of institutes
State coalescents.
3. dry-mixed mortar dry blend according to claim 1, which is characterized in that in parts by weight, the dry-mixed mortar is dry
Batch mixing includes the 60-70 parts of resin slags, the 400-450 parts of cement, the 150-160 parts of reclaimed sands, the 65-68 parts of electricity
Solve manganese slag, the 28-30 parts of mixing anti-caking agent, the 25-27 parts of pulverized limestones, the 23-25 parts of water-retaining agent and 20-25 parts of institutes
State coalescents.
4. dry-mixed mortar dry blend according to claim 1, which is characterized in that the mixing anti-caking agent includes phosphorus slag and swashs
Send out agent.
5. dry-mixed mortar dry blend according to claim 4, which is characterized in that the grain size of the phosphorus slag is 10-50 microns,
Preferably 20-30 microns.
6. according to the dry-mixed mortar dry blend described in claim 1-3 any one, which is characterized in that the water-retaining agent is fiber
Plain class water-retaining agent, is selected as methyl cellulose ethers water-retaining agent, more preferably hydroxypropyl methyl cellulose.
7. according to the dry-mixed mortar dry blend described in claim 1-3 any one, which is characterized in that the coalescents include
It polymerize species compound, preferably high molecular weight water soluble polymer, more preferably polyvinyl alcohol.
8. dry-mixed mortar dry blend according to claim 6, which is characterized in that the raw material of the dry-mixed mortar dry blend is also
Including 0.5-3 parts of auxiliary agent；
The auxiliary agent includes antifoaming agent, levelling agent and drier.
9. dry-mixed mortar dry blend according to claim 6, which is characterized in that the raw material of the dry-mixed mortar dry blend is also
Including 1-3 parts, preferably 1.2-1.8 parts of polycrystalline mullite fibre.
10. a kind of dry-mixed mortar, which is characterized in that it includes dry-mixed mortar dry blend described in claim 1.
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Application publication date: 20180717 |