CN110922117A - Anti-scouring marine concrete double-ash gel powder and preparation method and device thereof - Google Patents
Anti-scouring marine concrete double-ash gel powder and preparation method and device thereof Download PDFInfo
- Publication number
- CN110922117A CN110922117A CN201911211079.1A CN201911211079A CN110922117A CN 110922117 A CN110922117 A CN 110922117A CN 201911211079 A CN201911211079 A CN 201911211079A CN 110922117 A CN110922117 A CN 110922117A
- Authority
- CN
- China
- Prior art keywords
- powder
- ash
- stirring
- mixing
- parts
- 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
Links
Images
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
- C04B28/02—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 hydraulic cements other than calcium sulfates
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/24—Sea water resistance
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses an anti-scouring marine concrete double-ash cementing powder and a preparation method and a device thereof, belonging to the field of cementing materials, wherein the double-ash cementing powder comprises the following raw material components in parts by weight: 30-40 parts of cement; 15-25 parts of furnace steel ash; 12-20 parts of slag; 15-18 parts of silica fume; 2-5 parts of expanded graphite; 2-5 parts of ceramic micro powder; 5-12 parts of rubber powder; the preparation method comprises the steps of preparing materials; preparing a base material; the preparation of the double-ash gel powder solves the problem that the existing marine concrete has poor anti-abrasion capability.
Description
Technical Field
The invention relates to the field of cementing materials, in particular to abrasion-resistant marine concrete double-ash cementing powder and a preparation method and a preparation device thereof.
Background
Marine concrete is also known as marine concrete. It is generally accepted that the concrete used in structures that are often subjected to spray splashes is marine concrete. The marine concrete has high workability and high durability, and is high-performance concrete.
Marine concrete generally comprises cementitious material, water and aggregate. Under the physical and chemical action, the gelled material can be changed into firm stone-like body from slurry, and can be used for cementing other materials so as to obtain the composite solid substance with a certain mechanical strength.
The existing cementing material for marine concrete is generally formed by mixing cement, mineral powder and fly ash according to a certain proportion, and the mineral powder and the fly ash are added, so that although the compactness of the internal structure of the concrete can be improved and the seawater permeation is reduced, the surface hardness is not enough, a good anti-scouring effect cannot be achieved, and the cement is easily scoured by seawater; in addition, the maritime work concrete is huge in consumption, and the mineral powder is a non-renewable resource, so that the large amount of newly exploited mineral powder is easily caused by resource shortage, and the sustainable development is influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the abrasion-resistant marine concrete double-ash gel powder, and the preparation method and the device thereof, and solves the problem of poor abrasion-resistant capability of the existing marine concrete.
In order to achieve the purpose, the invention provides the following technical scheme:
the marine concrete double-ash gelled powder resisting impact abrasion comprises the following raw material components in parts by weight:
30-40 parts of cement;
15-25 parts of furnace steel ash;
12-20 parts of slag;
15-18 parts of silica fume;
2-5 parts of expanded graphite;
2-5 parts of ceramic micro powder;
5-12 parts of rubber powder.
Through the technical scheme, the slag, the furnace steel ash and the silica fume which are the multi-element mineral blending materials have obvious improvement on the comprehensive performance of the concrete under the combined actions of the micro-aggregate effect, the volcanic ash effect, the morphological effect and the interface effect. And the quaternary composite gel system can be formed by cooperating with cement, which is beneficial to the formation of good micro-gradation of concrete, thereby improving the macroscopic performance of the concrete. The addition of the expanded graphite, the ceramic micro powder and the rubber powder not only improves the properties of carbonization resistance, permeability resistance, frost resistance, sulfate corrosion resistance and alkali aggregate reaction resistance of the marine concrete, but also can effectively improve the surface hardness and strength of the marine concrete, so that the marine concrete has better cracking resistance and abrasion resistance. The expanded graphite has excellent cold and heat resistance, corrosion resistance, self-lubrication and other excellent performances of natural graphite, and has the characteristics of softness, compression resilience, adsorbability, ecological environment harmony, biocompatibility, radiation resistance and the like which are not possessed by natural graphite. The marine concrete has the advantages that cold and heat resistance and corrosion resistance of the marine concrete can be improved, the marine concrete has extremely high pressure resistance, flexibility, plasticity, self-lubrication, anti-seismic property, ageing resistance and distortion resistance, and meanwhile, the marine concrete can be matched with ceramic micro powder, rubber powder, cement, furnace steel ash, furnace slag and silica fume, so that the internal pore structure of the concrete is compact or curved, a permeation passage is blocked or prolonged, seawater permeation is resisted, and the marine concrete is non-toxic, does not contain any carcinogen, and is harmless to the environment. The rubber powder is short for rubber powder and is generally processed by waste tires. The addition of the rubber powder can improve the waterproofness of the marine concrete and can effectively resist the penetration of seawater. The rubber powder, the furnace steel ash, the furnace slag and the silica ash are all solid wastes produced in industrial production, so that the cost is low, the problem of environmental pollution is solved, and the environment-friendly and energy-saving effects are achieved. The addition of the ceramic micro powder can improve the weather resistance, the durability and the corrosion resistance of the marine concrete.
More preferably: the antirust powder accounts for 0.6 to 1.5 percent of the double-ash gelling powder.
Through the technical scheme, the antirust powder can be gasified to enable VCI particles to permeate into all corners of metal in a closed space to form a molecular thick protective layer, steel bars in concrete are prevented from rusting, a good isolation protection effect is achieved on the steel bars, and seawater erosion is reduced.
More preferably: the fineness of the expanded graphite is 600-900 meshes.
A preparation method of abrasion-resistant marine concrete double-ash gelled powder comprises the following steps:
s1, preparing materials: weighing the raw material components of the double-ash gelling powder according to the parts by weight of the raw material components of the double-ash gelling powder of claim 2;
s2: preparing a base material: respectively placing the cement, the furnace steel ash, the furnace slag and the silica fume in a mixing and stirring device for stirring at the stirring speed of 150-180r/min for 8-12 minutes to prepare a base material;
s3: preparing double-ash gel powder: and (4) adding the expanded graphite, the ceramic micro powder, the rubber powder and the anti-rust powder into the mixing and stirring device in the step S2, mixing the expanded graphite, the ceramic micro powder, the rubber powder and the anti-rust powder with the basic material at a stirring speed of 200-250r/min for 10-30 minutes, and preparing the double-ash gelling powder.
According to the technical scheme, the cement, the furnace steel ash, the furnace slag and the silica fume are mixed and stirred to obtain the base material, and then the expanded graphite, the ceramic micro powder, the rubber powder and the anti-rust powder are added and stirred to obtain the double-ash gelling powder, so that the operation is simple and convenient.
The mixing and stirring device comprises a material storage box, a stirring cylinder and a stranding cage;
the mixing drum is used for uniformly mixing materials to be mixed, a feed hopper and a discharging pipe are arranged on the mixing drum, and the discharging pipe is connected between the mixing drum and the storage box;
the material storage box is used for storing mixed materials after mixing;
the stranding cage is used for conveying the mixed materials after mixing outwards from the storage box.
Through above-mentioned technical scheme, cement, stove steel ash, slag, silica fume, expanded graphite, ceramic miropowder, rubber powder and rust-preventive powder enter into the churn through the feeder hopper in, under agitating unit's effect, cement, stove steel ash, slag, silica fume, expanded graphite, ceramic miropowder, rubber powder and rust-preventive powder misce bene to enter into the storage box through the unloading pipe and carry out temporary storage.
More preferably: the stirring drum is provided with a cover body and a stirring device, and the cover body is fixed at the top of the stirring drum;
the stirring device comprises a stirring motor, a rotating shaft, a blade and a rotary stirring component;
the stirring motor is fixed on the cover body, the upper end of the rotating shaft is connected with the stirring motor, and the lower end of the rotating shaft penetrates through the cover body and extends to the lower part of the inner part of the stirring drum;
the paddle is fixed on the rotating shaft and is used for stirring the materials to be mixed;
the discharge gate has been seted up to the churn bottom, the unloading union coupling is in on the discharge gate, rotatory stirring subassembly is fixed the pivot lower extreme just is close to the discharge gate.
More preferably: the stirring drum is provided with a uniform distributor, and the uniform distributor comprises a uniform distribution body;
the uniform distribution body is a hollow hemisphere, the inner arc surface of the uniform distribution body is upward, the top of the uniform distribution body is provided with an opening, the feed hopper is positioned above the uniform distribution body, the uniform distribution body is positioned above the inner part of the mixing drum and fixed on the rotating shaft, and the uniform distribution body is positioned above the blades;
the cloth equalizing body is provided with a leak hole.
More preferably: the top opening of the cloth uniformizing body is provided with a circle of flange, the bottom surface of the cover body is fixed with a bearing platform, and the flange is supported on the bearing platform and is in sliding fit with the bearing platform.
More preferably: the rotary stirring assembly comprises a rotary ball and an arc piece;
the rotating ball is fixed at the lower end of the rotating shaft, the arc piece is fixed on the circumferential surface of the rotating ball, one side of the arc piece is fixed with the rotating ball, and the other side of the arc piece is in contact with the inner wall of the stirring cylinder;
the arc piece is provided with a through hole.
More preferably: a discharge valve is arranged on the blanking pipe; a bin wall vibrator is fixed on the mixing drum;
the lower end of the discharging pipe is connected with the storage box, the bottom surface of the storage box is obliquely arranged, the bottom surface of the storage box is connected with a discharging pipe, the upper end of the discharging pipe is connected with the storage box, the lower end of the discharging pipe is connected with the stranding cage, and the discharging pipe is fixed on one side of the bottom surface of the storage box at a low level.
In conclusion, the invention has the following beneficial effects: the addition of the expanded graphite, the ceramic micro powder and the rubber powder not only improves the properties of carbonization resistance, permeability resistance, frost resistance, sulfate corrosion resistance and alkali aggregate reaction resistance of the marine concrete, but also can effectively improve the surface hardness and strength of the marine concrete, so that the marine concrete has better cracking resistance and abrasion resistance. The expanded graphite has excellent cold and heat resistance, corrosion resistance, self-lubrication and other excellent performances of natural graphite, and has the characteristics of softness, compression resilience, adsorbability, ecological environment harmony, biocompatibility, radiation resistance and the like which are not possessed by natural graphite. The marine concrete has the advantages that cold and heat resistance and corrosion resistance of the marine concrete can be improved, the marine concrete has extremely high pressure resistance, flexibility, plasticity, self-lubrication, anti-seismic property, ageing resistance and distortion resistance, and meanwhile, the marine concrete can be matched with ceramic micro powder, rubber powder, cement, furnace steel ash, furnace slag and silica fume, so that the internal pore structure of the concrete is compact or curved, a permeation passage is blocked or prolonged, seawater permeation is resisted, and the marine concrete is non-toxic, does not contain any carcinogen, and is harmless to the environment. The rubber powder is short for rubber powder and is generally processed by waste tires. The addition of the rubber powder can improve the waterproofness of the marine concrete and can effectively resist the penetration of seawater. The rubber powder, the furnace steel ash, the furnace slag and the silica ash are all solid wastes produced in industrial production, so that the cost is low, the problem of environmental pollution is solved, and the environment-friendly and energy-saving effects are achieved. The addition of the ceramic micro powder can improve the weather resistance, the durability and the corrosion resistance of the marine concrete. The antirust powder can gasify VCI particles in a closed space to permeate into all corners of metal to form a molecular thick protective layer, so that reinforcing steel bars in concrete are prevented from rusting, a good isolation and protection effect is realized on the reinforcing steel bars, and seawater erosion is reduced.
The storage case can be stored the gel powder after the churn mixes in advance temporarily, is convenient for continuously transport the gel powder after mixing to the job site, need not wait for, can prepare the gel powder after mixing in advance to store it in the storage case temporarily. The paddle and the arc sheet can stir cement, furnace steel ash, furnace slag, silicon ash, expanded graphite, ceramic micro powder, rubber powder and rust-proof powder in the stirring cylinder and at a discharge port at the bottom of the stirring cylinder, so that the cement, the furnace steel ash, the furnace slag, the silicon ash, the expanded graphite, the ceramic micro powder, the rubber powder and the rust-proof powder are uniformly mixed. The paddle and the arc sheet are matched and stirred together, and the mixing is relatively uniform. Because the materials to be mixed are powdery, the phenomena of uneven blanking, blockage of a discharge hole and a blanking pipe are easy to occur, and a bin wall vibrator and a rotary stirring assembly are arranged. The arc piece can stir the misce bene of treating of churn bottom discharge gate department on the one hand, improves and mixes the effect, and the misce bene of treating of the rotatable churn bottom discharge gate department of on the other hand prevents to treat that the misce bene blocks up the discharge gate at the churn, the quick unloading of being convenient for. And the bin wall vibrator can make the mixing drum vibrate, so that the blockage of the blanking pipe is reduced.
Drawings
FIG. 1 is a schematic structural view of example 1, which is mainly used for showing the overall structure of a mixing and stirring apparatus;
FIG. 2 is a schematic sectional view in example 1, which is mainly used for embodying the internal structure of the mixing and stirring apparatus;
FIG. 3 is an enlarged view of the structure A of FIG. 2, primarily illustrating the mounting structure of the applicator;
fig. 4 is a schematic structural view in example 1, and is mainly used for embodying the structure of the stirring device.
In the figure, 1, a storage box; 2. a mixing drum; 3. stranding and cage; 4. a cover body; 5. a feed hopper; 6. a stirring device; 61. a stirring motor; 62. a rotating shaft; 63. a paddle; 64. rotating the stirring component; 641. rotating the ball; 642. an arc sheet; 643. a through hole; 7. a first leg; 8. a discharge valve; 9. a bin wall vibrator; 10. a discharging pipe; 11. a second leg; 12. a discharge pipe; 13. a bearing platform; 14. a uniform distributor; 141. a cloth homogenizing body; 142. a leak hole; 143. a flange; 15. a product outlet; 16. and a third leg.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
Example 1: the marine concrete double-ash gel powder with the abrasion resistance and the preparation method and the device thereof comprise the following raw material components in parts by weight:
35kg of cement;
18kg of furnace steel ash;
15kg of furnace slag;
16kg of silica fume;
3kg of expanded graphite;
3kg of ceramic micro powder;
8kg of rubber powder;
1kg of antirust powder.
The fineness of the expanded graphite is 600-900 meshes. The specific surface area of the slag is 488m2Kg, density 2.86g/cm3。
The preparation method of the double-ash gel powder comprises the following steps:
s1, preparing materials: weighing the raw material components according to the parts by weight of the raw material components of the double-ash gelling powder;
s2: preparing a base material: respectively placing the cement, the furnace steel ash, the furnace slag and the silica fume in a mixing and stirring device for stirring at the stirring speed of 150-180r/min for 8-12 minutes to prepare a base material; specifically, the stirring speed is 160r/min and lasts for 10 minutes;
s3: preparing double-ash gel powder: and (4) adding the expanded graphite, the ceramic micro powder, the rubber powder and the anti-rust powder into the mixing and stirring device in the step S2, mixing the expanded graphite, the ceramic micro powder, the rubber powder and the anti-rust powder with the base material, and keeping the stirring speed at 200-250r/min for 10-30 minutes to obtain the double-ash gelling powder. Specifically, the stirring speed was 220r/min for 20 minutes.
In the scheme, the conventional double-ash gelled powder is prepared by grinding and sieving the original-state fly ash discarded by a coal-fired power plant and the steel ash discharged by a steel plant according to a proper proportion. The mortar can be used for places needing building mortar and plastering mortar, such as urban civil buildings, agricultural buildings, hydraulic engineering, traffic facilities and the like. However, the marine concrete is in alkaline sea water for a long time, is easy to be washed by sea water and abraded by sandstone, the using environment is special, and the conventional double-ash gel powder is not suitable for use. In order to improve the hardness and strength of the marine concrete and enable the marine concrete to have better anti-scouring capability, anti-abrasion capability and acid-alkali corrosion resistance, the double-ash cementing powder disclosed by the invention is added with silica fume, expanded graphite, ceramic micro powder, rubber powder and anti-rust powder.
Under the interaction of the micro-aggregate effect compounding, the volcanic ash effect compounding, the morphological effect compounding and the interface effect interactive compounding, the slag, the furnace steel ash and the silica fume, the three multi-element mineral blending materials have obvious improvement on the comprehensive performance of the concrete. And the quaternary composite gel system can be formed by cooperating with cement, which is beneficial to the formation of good micro-gradation of concrete, thereby improving the macroscopic performance of the concrete. The addition of the expanded graphite, the ceramic micro powder, the rubber powder and the anti-rust powder not only improves the properties of carbonization resistance, permeability resistance, frost resistance, sulfate corrosion resistance and alkali aggregate reaction resistance of the marine concrete, but also can effectively improve the surface hardness and strength of the marine concrete, so that the marine concrete has better cracking resistance and abrasion resistance.
The antirust powder can gasify VCI particles in a closed space to permeate into all corners of metal to form a molecular thick protective layer, so that reinforcing steel bars in concrete are prevented from rusting, a good isolation and protection effect is realized on the reinforcing steel bars, and seawater erosion is reduced.
The expanded graphite has excellent cold and heat resistance, corrosion resistance, self-lubrication and other excellent performances of natural graphite, and has the characteristics of softness, compression resilience, adsorbability, ecological environment harmony, biocompatibility, radiation resistance and the like which are not possessed by natural graphite. The marine concrete has the advantages that cold and heat resistance and corrosion resistance of the marine concrete can be improved, the marine concrete has extremely high pressure resistance, flexibility, plasticity, self-lubrication, anti-seismic property, ageing resistance and distortion resistance, and meanwhile, the marine concrete can be matched with ceramic micro powder, rubber powder, cement, furnace steel ash, furnace slag and silica fume, so that the internal pore structure of the concrete is compact or curved, a permeation passage is blocked or prolonged, seawater permeation is resisted, and the marine concrete is non-toxic, does not contain any carcinogen, and is harmless to the environment.
The rubber powder is short for rubber powder and is generally processed by waste tires. The addition of the rubber powder can improve the waterproofness of the marine concrete and can effectively resist the penetration of seawater. The rubber powder, the furnace steel ash, the furnace slag and the silica ash are all solid wastes produced in industrial production, so that the cost is low, the problem of environmental pollution is solved, and the environment-friendly and energy-saving effects are achieved. The ceramic micro powder is a light nonmetal multifunctional material, and the main component is SiO2And Al2O3Good dispersibility, high covering power, high whiteness, good suspension and chemical stabilityGood performance, good plasticity, high heat-resisting temperature, small density, low loss on ignition, good light scattering performance and good insulativity. The addition of the ceramic micro powder can improve the weather resistance, the durability and the corrosion resistance of the marine concrete.
As shown in fig. 1, 2, 3 and 4, the mixing and stirring device comprises a storage tank 1, a stirring cylinder 2 and a stranding cage 3. The mixing drum 2 is used for uniformly mixing materials to be mixed, namely cement, furnace steel ash, furnace slag, silica fume, expanded graphite, ceramic micro powder, rubber powder and anti-rust powder. The mixing drum 2 is provided with a cover body 4 and a mixing device 6, and the cover body 4 is fixed on the top of the mixing drum 2. Specifically, the lid 4 is bolted or flanged to the mixing drum 2. Be provided with on lid 4 and be used for treating the feeder hopper 5 that the mixed material poured into, 2 bottoms of churn are connected with unloading pipe 10, and unloading pipe 10 is connected between churn 2 and storage case 1, and churn 2 communicates with storage case 1 through unloading pipe 10.
In the scheme, cement, furnace steel ash, furnace slag, silica fume, expanded graphite, ceramic micro powder, rubber powder and anti-rust powder enter the mixing drum 2 through the feed hopper 5, and under the action of the mixing device 6, the cement, the furnace steel ash, the furnace slag, the silica fume, the expanded graphite, the ceramic micro powder, the rubber powder and the anti-rust powder are uniformly mixed and enter the storage box 1 through the discharging pipe 10 for temporary storage.
Referring to fig. 1, 2, 3 and 4, the stirring device 6 is used for stirring and mixing cement, furnace steel ash, furnace slag, silica fume, expanded graphite, ceramic micro powder, rubber powder and rust preventive powder which are added into the stirring cylinder 2. The stirring device 6 includes a stirring motor 61, a rotating shaft 62, a paddle 63, and a rotary stirring assembly 64. The stirring motor 61 is fixed at the center of the cover 4, and the feed hopper 5 is close to one side of the stirring motor 61. The upper end of the rotating shaft 62 is connected with the stirring motor 61, and the lower end passes through the cover 4 and extends to the lower part of the inner part of the stirring cylinder 2. The paddle 63 is fixed on the rotating shaft 62 and coaxially rotates with the rotating shaft 62, one end of the paddle 63 is fixed with the rotating shaft 62, the other end of the paddle is close to the inner wall of the mixing drum 2, and the paddle 63 is an inclined blade type paddle and is used for mixing materials to be mixed. The 2 below of churn is hourglass hopper-shaped, and 2 bottom centers of churn offer be used for with the discharge gate of unloading pipe 10 intercommunication, unloading pipe 10 is connected on the discharge gate. The rotary stirring assembly 64 is fixed at the lower end of the rotating shaft 62 and close to the discharge hole, and the rotary stirring assembly 64 comprises a rotating ball 641 and an arc piece 642. The rotating ball 641 is fixed at the lower end of the rotating shaft 62, the arc piece 642 is fixed on the circumferential surface of the rotating ball 641, one side of the arc piece 642 is fixed with the rotating ball 641, and the other side is contacted with the inner wall of the mixing drum 2. The arc pieces 642 are provided with three pieces, and the three arc pieces 642 are uniformly distributed on the circumferential surface of the rotating ball 641. The arc piece 642 is provided with a plurality of through holes 643. The discharging pipe 10 is provided with a discharging valve 8 for controlling the discharge of the mixed materials in the mixing drum 2. A bin wall vibrator 9 is fixed on the mixing drum 2, and the bin wall vibrator 9 is arranged on the side wall below the mixing drum 2.
In the scheme, the paddle 63 and the arc piece 642 can stir cement, furnace steel ash, furnace slag, silica fume, expanded graphite, ceramic micro powder, rubber powder and anti-rust powder in the stirring cylinder 2 and at the discharge port at the bottom of the stirring cylinder 2, so that the cement, the furnace steel ash, the furnace slag, the silica fume, the expanded graphite, the ceramic micro powder, the rubber powder and the anti-rust powder are uniformly mixed. The paddle 63 and the arc piece 642 are matched and stirred together, so that the mixing is uniform. As the materials to be mixed are powdery, the phenomena of uneven blanking and blockage of a discharging hole and a blanking pipe 10 are easy to occur, and the bin wall vibrator 9 and the rotary stirring assembly 64 are arranged. Arc piece 642 can stir the misce bene of treating of the discharge gate department of 2 bottoms of churns on the one hand, improves and mixes the effect, and the misce bene of treating of the discharge gate department of 2 bottoms of the rotatable churns of on the other hand prevents to treat that the misce bene blocks up the discharge gate at churn 2, the quick unloading of being convenient for. And the bin wall vibrator 9 can make the mixing drum 2 vibrate, so that the blockage of the blanking pipe 10 is reduced.
Referring to fig. 1, 2, 3 and 4, the mixing drum 2 is provided with a uniform distributor 14, and the uniform distributor 14 includes a uniform distribution body 141. The uniform distribution body 141 is a hollow hemisphere with an upward inner arc surface, the top of the uniform distribution body 141 is provided with an opening, and the feed hopper 5 is positioned above the uniform distribution body 141. The uniform distribution body 141 is located above the inner portion of the mixing drum 2 and above the paddle 63, the rotating shaft 62 penetrates through the center of the uniform distribution body 141 and is fixedly connected with the uniform distribution body 141, and the uniform distribution body 141 is fixed on the rotating shaft 62 and coaxially and rotatably arranged with the rotating shaft 62. The uniform cloth body 141 is provided with a leakage hole 142. The plurality of the leakage holes 142 are provided, and the plurality of the leakage holes 142 are uniformly distributed on the surface of the uniform distributing body 141. A circle of flange 143 is arranged at the opening at the top of the cloth-uniformizing body 141, the bearing platform 13 is fixed on the bottom surface of the cover body 4, and the flange 143 is supported on the bearing platform 13 and is in sliding fit with the bearing platform 13.
In the above scheme, when cement, furnace steel ash, slag, silica fume, expanded graphite, ceramic micro powder, rubber powder and anti-rust powder enter the mixing drum 2 through the feed hopper 5, the cement, the furnace steel ash, the slag, the expanded graphite, the ceramic micro powder, the rubber powder and the anti-rust powder enter the uniform distribution body 141 firstly, and the uniform distribution body 141 rotates at a high speed after the mixing motor 61 is started because the uniform distribution body 141 rotates along with the rotating shaft 62, and the cement, the furnace steel ash, the slag, the silica fume, the expanded graphite, the ceramic micro powder, the rubber powder and the anti-rust powder are thrown out through the leak holes 142 under the action of centrifugal force, so that the cement. The uniform distributor 14 can control the feeding speed on one hand, and can pre-mix the materials firstly on the other hand, so that the mixing effect of cement, furnace steel ash, furnace slag, silica fume, expanded graphite, ceramic micro powder, rubber powder and anti-rust powder can be effectively improved.
Referring to fig. 1, 2, 3 and 4, a material storage tank 1 is located below a mixing drum 2 and used for storing mixed materials, and a discharging pipe 10 is connected to the top of the material storage tank 1. The bottom surface of the material storage tank 1 is obliquely arranged, the bottom surface of the material storage tank 1 is connected with a material discharge pipe 12, the upper end of the material discharge pipe 12 is connected with an outlet of the material storage tank 1, the lower end of the material discharge pipe is connected with an inlet of the stranding cage 3, and the material discharge pipe 12 is fixed on one side of the lower level of the bottom surface of the material storage tank 1. The stranding cage 3 is used for conveying mixed materials outwards from the storage box 1, and a product outlet 15 is formed in the stranding cage 3. The stranding cage 3 is located below the storage box 1, a second supporting leg 11 is fixed at the bottom of the storage box 1, a third supporting leg 16 is fixed at the bottom of the stranding cage 3, and a first supporting leg 7 is fixed at the bottom of the mixing drum 2. The second leg 11 and the third leg 16 are both supported on the ground or base substrate, and the first leg 7 is supported on the bottom surface of the storage bin 1.
In above-mentioned scheme, storage case 1 can carry out temporary storage with the gel powder after churn 2 mixes in advance, is convenient for continuously transport the gel powder after mixing to the job site, need not wait for, can prepare the gel powder after mixing in advance to store it in storage case 1 temporarily. Do benefit to hank cage 3 and carry out defeated material in order, be convenient for carry the assigned position with the gel powder, and the continuous ejection of compact of the gel powder of being convenient for, in addition, hank cage 3 can also further mix the gelatinization powder that storage case 1 came out, and convenient to use is reliable.
Example 2: the marine concrete double-ash gelled powder resisting erosion and abrasion, and the preparation method and the device thereof are different from the embodiment 1 in that the double-ash gelled powder comprises the following raw material components in parts by weight:
30kg of cement;
15kg of furnace steel ash;
12kg of slag;
15kg of silica fume;
2kg of expanded graphite;
2kg of ceramic micro powder;
5kg of rubber powder;
0.5kg of antirust powder.
Example 3: the marine concrete double-ash gelled powder resisting erosion and abrasion, and the preparation method and the device thereof are different from the embodiment 1 in that the double-ash gelled powder comprises the following raw material components in parts by weight:
40kg of cement;
25kg of furnace steel ash;
20kg of slag;
18kg of silica fume;
5kg of expanded graphite;
5kg of ceramic micro powder;
12kg of rubber powder;
1.8kg of antirust powder.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that several improvements and modifications without departing from the principle of the present invention will occur to those skilled in the art, and such improvements and modifications should also be construed as within the scope of the present invention.
Claims (10)
1. The marine concrete double-ash gelled powder is characterized in that: the material comprises the following raw materials in parts by weight:
30-40 parts of cement;
15-25 parts of furnace steel ash;
12-20 parts of slag;
15-18 parts of silica fume;
2-5 parts of expanded graphite;
2-5 parts of ceramic micro powder;
5-12 parts of rubber powder.
2. The abrasion-resistant marine concrete double-ash gelled powder as claimed in claim 1, wherein the abrasion-resistant marine concrete double-ash gelled powder is characterized in that: the antirust powder accounts for 0.6 to 1.5 percent of the double-ash gelling powder.
3. The preparation method of the abrasion-resistant marine concrete double-ash gelled powder according to claim 1, which is characterized by comprising the following steps: the fineness of the expanded graphite is 600-900 meshes.
4. A preparation method of abrasion-resistant marine concrete double-ash gelled powder is characterized by comprising the following steps: the method comprises the following steps:
s1, preparing materials: weighing the raw material components of the double-ash gelling powder according to the parts by weight of the raw material components of the double-ash gelling powder of claim 2;
s2: preparing a base material: respectively placing the cement, the furnace steel ash, the furnace slag and the silica fume in a mixing and stirring device for stirring at the stirring speed of 150-180r/min for 8-12 minutes to prepare a base material;
s3: preparing double-ash gel powder: and (4) adding the expanded graphite, the ceramic micro powder, the rubber powder and the anti-rust powder into the mixing and stirring device in the step S2, mixing the expanded graphite, the ceramic micro powder, the rubber powder and the anti-rust powder with the basic material at a stirring speed of 200-250r/min for 10-30 minutes, and preparing the double-ash gelling powder.
5. A mixing and stirring device as defined in claim 4, wherein: comprises a storage box (1), a mixing drum (2) and a stranding cage (3);
the mixing drum (2) is used for uniformly mixing materials to be mixed, a feed hopper (5) and a discharging pipe (10) are arranged on the mixing drum (2), and the discharging pipe (10) is connected between the mixing drum (2) and the storage box (1);
the material storage box (1) is used for storing mixed materials after mixing;
the stranding cage (3) is used for conveying the mixed materials out of the storage box (1).
6. The mixing and stirring device according to claim 5, wherein: the stirring drum (2) is provided with a cover body (4) and a stirring device (6), and the cover body (4) is fixed at the top of the stirring drum (2);
the stirring device (6) comprises a stirring motor (61), a rotating shaft (62), a blade (63) and a rotary stirring assembly (64);
the stirring motor (61) is fixed on the cover body (4), the upper end of the rotating shaft (62) is connected with the stirring motor (61), and the lower end of the rotating shaft penetrates through the cover body (4) and extends to the lower part of the inner part of the stirring cylinder (2);
the paddle (63) is fixed on the rotating shaft (62) and is used for stirring the materials to be mixed;
a discharge hole is formed in the bottom of the stirring cylinder (2), the discharging pipe (10) is connected to the discharge hole, and the rotary stirring assembly (64) is fixed to the lower end of the rotating shaft (62) and is close to the discharge hole.
7. The mixing and stirring device according to claim 6, wherein: an even distributor (14) is arranged on the mixing drum (2), and the even distributor (14) comprises an even distribution body (141);
the cloth homogenizing body (141) is a hollow hemisphere, the inner arc surface of the cloth homogenizing body faces upwards, the top of the cloth homogenizing body (141) is provided with an opening, the feed hopper (5) is positioned above the cloth homogenizing body (141), the cloth homogenizing body (141) is positioned above the inner part of the stirring cylinder (2) and fixed on the rotating shaft (62), and the cloth homogenizing body (141) is positioned above the blades (63);
the cloth homogenizing body (141) is provided with a leakage hole (142).
8. The mixing and stirring device according to claim 7, wherein: the cloth distributing device is characterized in that a circle of flange (143) is arranged at the opening at the top of the cloth distributing body (141), a bearing platform (13) is fixed on the bottom surface of the cover body (4), and the flange (143) is supported on the bearing platform (13) and is in sliding fit with the bearing platform (13).
9. The mixing and stirring device according to claim 6, wherein: the rotary stirring assembly (64) comprises a rotary ball (641) and an arc piece (642);
the rotating ball (641) is fixed at the lower end of the rotating shaft (62), the arc piece (642) is fixed on the circumferential surface of the rotating ball (641), one side of the arc piece (642) is fixed with the rotating ball (641), and the other side of the arc piece is contacted with the inner wall of the stirring cylinder (2);
the arc piece (642) is provided with a through hole (643).
10. The mixing and stirring device according to claim 5, wherein: a discharge valve (8) is arranged on the blanking pipe (10); a bin wall vibrator (9) is fixed on the mixing drum (2);
the lower end of the discharging pipe (10) is connected with the storage box (1), the bottom surface of the storage box (1) is obliquely arranged, the bottom surface of the storage box (1) is connected with a discharging pipe (12), the upper end of the discharging pipe (12) is connected with the storage box (1), the lower end of the discharging pipe is connected with the stranding cage (3), and the discharging pipe (12) is fixed on one side of the lower level of the bottom surface of the storage box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911211079.1A CN110922117A (en) | 2019-12-02 | 2019-12-02 | Anti-scouring marine concrete double-ash gel powder and preparation method and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911211079.1A CN110922117A (en) | 2019-12-02 | 2019-12-02 | Anti-scouring marine concrete double-ash gel powder and preparation method and device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110922117A true CN110922117A (en) | 2020-03-27 |
Family
ID=69848244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911211079.1A Pending CN110922117A (en) | 2019-12-02 | 2019-12-02 | Anti-scouring marine concrete double-ash gel powder and preparation method and device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110922117A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115849833A (en) * | 2022-12-30 | 2023-03-28 | 陕西汇丰高性能粉体材料有限公司 | Impervious concrete and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203738994U (en) * | 2013-12-31 | 2014-07-30 | 钟祥三和建材有限公司 | Material blocking prevention stock bin for steaming and pressing sand lime brick production |
| CN104817287A (en) * | 2015-04-16 | 2015-08-05 | 华东交通大学 | high-performance concrete admixture in use of waste ceramic powder and implementing method thereof |
| CN206780682U (en) * | 2016-10-26 | 2017-12-22 | 北京安实创业科技发展有限公司 | A kind of mortar pump mortar feeding device |
| CN108529946A (en) * | 2017-03-04 | 2018-09-14 | 北京桥昌混凝土搅拌有限公司 | High-strength lightweight concrete and preparation method thereof |
| CN108609876A (en) * | 2018-06-21 | 2018-10-02 | 东南大学 | A kind of lime excitation cement for construction in sea and preparation method thereof |
-
2019
- 2019-12-02 CN CN201911211079.1A patent/CN110922117A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203738994U (en) * | 2013-12-31 | 2014-07-30 | 钟祥三和建材有限公司 | Material blocking prevention stock bin for steaming and pressing sand lime brick production |
| CN104817287A (en) * | 2015-04-16 | 2015-08-05 | 华东交通大学 | high-performance concrete admixture in use of waste ceramic powder and implementing method thereof |
| CN206780682U (en) * | 2016-10-26 | 2017-12-22 | 北京安实创业科技发展有限公司 | A kind of mortar pump mortar feeding device |
| CN108529946A (en) * | 2017-03-04 | 2018-09-14 | 北京桥昌混凝土搅拌有限公司 | High-strength lightweight concrete and preparation method thereof |
| CN108609876A (en) * | 2018-06-21 | 2018-10-02 | 东南大学 | A kind of lime excitation cement for construction in sea and preparation method thereof |
Non-Patent Citations (4)
| Title |
|---|
| 张伟: "《高性能水泥基材料应用技术》", 31 August 2017, 中国建材工业出版社 * |
| 张平远: "利用粉煤灰和炉钢灰生产胶凝新材料", 《河南科技》 * |
| 张海波: "《废旧橡胶水泥混凝土 界面与性能》", 30 September 2018, 冶金工业出版社 * |
| 边炳鑫主编: "《石墨加工和石墨材料》", 31 May 2014, 中国矿业大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115849833A (en) * | 2022-12-30 | 2023-03-28 | 陕西汇丰高性能粉体材料有限公司 | Impervious concrete and preparation method thereof |
| CN115849833B (en) * | 2022-12-30 | 2023-12-08 | 陕西汇丰高性能粉体材料有限公司 | Impermeable concrete and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113979703B (en) | Sludge curing agent and curing process thereof | |
| CN107540309B (en) | Slope protection prefabricated part concrete containing iron tailings and preparation method thereof | |
| CN101062859A (en) | Wall heat-insulating rubber powder material and preparation method and using method thereof | |
| CN206484728U (en) | A kind of blanking device of concrete mixer | |
| CN100462324C (en) | Fly ash expansive self-compacting concrete for filling square steel pipes | |
| CN102584328B (en) | Building block reinforced by stone powder and ceramic particles and preparation method thereof | |
| CN108863268A (en) | A kind of regeneration activity material based on building waste, preparation method and non-evaporating foamed bricks | |
| CN108585652A (en) | A kind of regeneration activity material, preparation method and environmental protection brick based on mud dregs | |
| WO2024040952A1 (en) | Sludge and waste concrete-based green concrete preparation method | |
| CN105503078A (en) | Novel environment-friendly masonry mortar and preparation method thereof | |
| CN1874971A (en) | Hydraulic binder, method for the production of structural components, use thereof and equipment therefor | |
| CN101041582A (en) | Technology for producing cement pipe bar product by using jevigating metallurgy slag and coal ash as doping material | |
| CN102557534A (en) | Light aggregate concrete small-sized hollow block using industrial waste residues | |
| CN204221979U (en) | The accurate feed proportioning system of air entrained concrete | |
| CN110922117A (en) | Anti-scouring marine concrete double-ash gel powder and preparation method and device thereof | |
| CN207373455U (en) | A kind of anticlogging mortar preparation facilities | |
| CN106064905A (en) | Super anti-dispersion, anti-segregating concrete and construction method thereof | |
| JP2008180076A (en) | Mortar and concrete construction methods | |
| CN104446310A (en) | Concrete formula and preparation method of concrete pipe pile | |
| CN204221976U (en) | The even feed proportioning system of air entrained concrete | |
| CN107954659A (en) | A kind of foamed light heat-preserving wall produced with electroplating sludge and its manufacture method | |
| CN111635206A (en) | Impervious and carbonization-resistant solid waste concrete and preparation method thereof | |
| CN206561492U (en) | A kind of environment-friendly type building mortar Preparation equipment | |
| CN101219871B (en) | Foam thermal insulation brick | |
| CN108585671B (en) | A kind of engineering cement-based composite material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200327 |