CN114378949A - Lightweight high-strength corundum-mullite castable and preparation method thereof - Google Patents
Lightweight high-strength corundum-mullite castable and preparation method thereof Download PDFInfo
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- CN114378949A CN114378949A CN202111652892.XA CN202111652892A CN114378949A CN 114378949 A CN114378949 A CN 114378949A CN 202111652892 A CN202111652892 A CN 202111652892A CN 114378949 A CN114378949 A CN 114378949A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/48—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions wherein the mixing is effected by vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/16—Discharge means, e.g. with intermediate storage of fresh concrete
- B28C7/162—Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure
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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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
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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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
- C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
- C04B35/185—Mullite 3Al2O3-2SiO2
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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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
- C04B2235/3222—Aluminates other than alumino-silicates, e.g. spinel (MgAl2O4)
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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- Dispersion Chemistry (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a lightweight high-strength corundum-mullite castable and a preparation method thereof, and relates to the technical field of castable preparation, wherein the castable comprises porous corundum-mullite ceramic particles, porous corundum-mullite ceramic fine powder, corundum fine powder, silica micropowder and alpha-Al2O3Micropowder, calcium aluminate cement, rho-Al2O3Binding agent, silica fume superfine powder and silica sol. The corundum-mullite castable with light weight and high strength and the preparation method thereof are characterized in that a stirring motor and a movable column, the stirring column and an auger disk are used in a matched manner, after corundum, mullite and other raw materials are injected into a stirring cabin, the stirring motor can be started and drives the stirring column to rotate through the movable column, then the raw materials in the stirring cabin are stirred and mixed, the auger disk can be driven to rotate when the movable column rotates, when the raw materials are accumulated at the bottom of the stirring cabin, the raw materials can be turned out under the action of the auger disk, and therefore the raw materials are uniformly mixed.
Description
Technical Field
The invention relates to the technical field of castable preparation, in particular to a light-weight high-strength corundum-mullite castable and a preparation method thereof.
Background
The castable material is also called refractory castable, is a granular and powdery material prepared by adding a certain amount of bonding agent into refractory materials, has higher fluidity, is an unshaped refractory material formed by casting, has higher content of the bonding agent and water and better fluidity compared with other unshaped refractory materials, so the castable material has wider application range, can select the used material and the bonding agent according to the using conditions, can be directly cast into a lining body for use, and can be prepared into a precast block for use by casting or jolt method, a corundum mullite brick refers to a high-alumina refractory product composed of corundum and mullite main crystal phase, the mullite brick refers to a refractory product prepared by high-purity or purer raw materials, wherein the existence of low-melting-point oxide impurities can reduce the high-temperature performance, and adopts pure mullite raw materials synthesized by using industrial alumina powder and pure silica clay, alumina or alumina as raw materials, in particular, the content of alkali metal oxides should be as low as possible.
The product prepared by taking the mullite granule as the aggregate has good thermal shock resistance but poor erosion resistance, and the product prepared by taking corundum sand as the aggregate has good corrosion resistance but poor thermal shock resistance, so that the castable formed by mixing corundum, mullite and other raw materials according to a certain proportion has better high-temperature strength, high-temperature creep resistance, thermal shock resistance and erosion resistance, but the uniform mixing of the raw materials is required to be ensured in the mixing process of the castable, and the mixing is completed by a special mixing and stirring device, but when a common mixing and stirring device in the market performs mixing operation, different amounts of raw materials enter a mixing cabin and are mixed in the same way, so that external consumption of energy is further caused, and therefore, a lightweight high-strength corundum-mullite castable and a preparation method thereof are designed to solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a light-weight high-strength corundum-mullite castable and a preparation method thereof, and solves the problems in the background art.
In order to achieve the purpose, the invention is realized by the following technical scheme: a light-weight high-strength corundum-mullite castable comprises the following components in parts by weight: 10 to 15 percent of porous corundum-mullite ceramic particles, 10 to 25 percent of porous corundum-mullite ceramic fine powder, 15 to 20 percent of corundum fine powder, silicon dioxide micro powder and 10 to 15 percent of alpha-Al2O3Micro powder, 10-15% of calcium aluminate cement and 2-5% of rho-Al2O3Mixture, 5 to 10 percent of silica fume superfine powder and the balance of silica sol.
Further, the invention also provides a preparation method of the light-weight high-strength corundum-mullite castable, which comprises the following steps: porous corundum-mullite ceramic particles, porous corundum-mullite ceramic fine powder, corundum fine powder, silicon dioxide micro powder and alpha-Al2O3Putting the micro powder, the calcium aluminate cement and the silica fume superfine powder into a stirring and mixing device, stirring and mixing, fully stirring uniformly, and adding rho-Al2O3And (4) continuously stirring the binding agent and the silica sol until the casting material is molded.
The invention further provides light high-strength corundum-mullite castable preparation equipment which comprises a bottom plate, wherein uniformly distributed fixing frames are fixedly installed at the top of the bottom plate, supporting frames are welded at the top of the bottom plate, uniformly distributed supporting legs are arranged at the bottom of the bottom plate, uniformly distributed springs and universal joints are arranged on the inner side of the fixing frame, a stirring cabin is movably sleeved between the springs and the universal joints, a discharge valve is arranged outside the stirring cabin, a top plate is fixedly installed at the top of the supporting frames, uniformly distributed electric telescopic columns are fixedly sleeved outside the top plate, and driving shafts of the electric telescopic columns extend to the lower side of the top plate and are fixedly sleeved with sealing covers.
Further, the fixed cover in top of bottom plate is equipped with shock dynamo, the tray is equipped with to shock dynamo's the outside fixed cover of output shaft, the tray cup joints in the outside of stirred tank, and is provided with the space between tray and the stirred tank, can make the inside structure of tray and the outside contact of stirred tank and make the whole vibrations that produce the high frequency of stirred tank after shock dynamo starts, the inside stirring mixed work that goes on of supplementary stirred tank.
Further, the bottom fixed mounting of stirring cabin has evenly distributed's vibrations spoke, the fixed cover in inside of tray is equipped with evenly distributed's contact spoke, match each other between vibrations spoke and the contact spoke, the tray can drive the contact spoke rotation when rotatory, can intermittent type nature when the contact spoke is rotatory with the vibrations spoke contact of stirring cabin bottom to make the stirring cabin produce the vibrations of high frequency.
Further, match each other between sealed lid and the stirred tank, and the fixed cover in top of sealed lid is equipped with agitator motor, agitator motor's output shaft extends to the below of sealed lid and fixed cover is equipped with movable post, the fixed cover in outside of activity post is equipped with evenly distributed's stirred column, and sealed lid can dock with the top of stirred tank under the effect of electronic flexible post drive shaft to seal the stirred tank, agitator motor can drive the stirred column rotation through movable post, mixes the raw materials stirring of stirred tank inside.
Further, the fixed cover in bottom of activity post is equipped with the auger dish, the bottom of auger dish contacts with the bottom of the inner wall of agitator tank, and when the raw materials produced the gathering in the bottom of agitator tank, the auger dish can be repeated upwards turning out the raw materials to avoid the bottom of agitator tank to produce the raw materials and pile up.
Further, the outside fixed cover of sealed lid is equipped with the intercommunication base, the one end of intercommunication base extends to the inboard of sealed lid and fixed cover and is equipped with evenly distributed's injector head, the top fixed mounting of roof has the fan, be connected with communicating pipe between fan and the intercommunication base, when carrying out mixing operation to a small amount of raw materials, the fan can start and prepare the wind and restraint, and the wind is restrainted and is sprayed the inside of stirring the cabin through the injector head, acts on the raw materials, assists the mixture of a small amount of raw materials, reduces agitator motor and shock dynamo's operating time.
Further, the fixed cover in top of bottom plate is equipped with the controller that is located between the electronic flexible post, equal electric connection between controller and fan, electronic flexible post, agitator motor, the shock dynamo, the respective operating time of fan, electronic flexible post, agitator motor, shock dynamo can be controlled to the controller to the degree of automation of hoisting device whole during operation.
Further, the invention also provides a method for preparing the light-weight high-strength corundum-mullite castable by using the preparation equipment, which comprises the following steps:
s1, starting the electric telescopic column, driving the sealing cover to move upwards through the driving shaft of the electric telescopic column, opening the top of the stirring cabin, injecting corundum, mullite and other raw materials to be mixed into the stirring cabin according to the proportion, starting the electric telescopic column again, enabling the sealing cover to descend until the sealing cover seals the top end of the stirring cabin, starting the stirring motor, driving the stirring column to rotate through the movable column by the stirring motor, stirring and mixing the raw materials in the stirring cabin, driving the auger disc to rotate when the movable column rotates, and repeatedly turning the raw materials upwards when the raw materials are accumulated at the bottom of the stirring cabin.
S2, when the stirring mixed work is carried out in the stirring cabin, the vibrating motor starts and drives the tray and the contact spokes to rotate through the output shaft of the vibrating motor, the contact spokes can intermittently contact with the vibrating spokes at the bottom of the stirring cabin when rotating, the stirring cabin moves under the action of the universal joint and drives the spring to contract or stretch, the high-frequency vibration is generated, and the stirring mixed work carried out in the stirring cabin is assisted.
S3, carry out the mixing operation to a small amount of raw materials, the fan starts and prepares the wind and restraints, then with the inside of wind restraint through communicating pipe input intercommunication base, finally spray the inside of stirring compartment through the jet head, act on the raw materials, make the raw materials raise in the inside of stirring compartment, the mixture of supplementary a small amount of raw materials, reduce agitator motor' S operating time, simultaneously the fan during operation, the inside atmospheric pressure of stirring compartment can increase under the effect of wind restraint, when accomplishing mixing operation and outwards exporting the product, the product can discharge through the bleeder valve, the discharge efficiency of bleeder valve can be assisted to the inside high pressure of stirring compartment.
The invention provides a light-weight high-strength corundum-mullite castable and a preparation method thereof, and the lightweight high-strength corundum-mullite castable has the following beneficial effects:
1. the corundum-mullite castable with light weight and high strength and the preparation method thereof are characterized in that a stirring motor and a movable column, the stirring column and an auger disk are used in a matched manner, after corundum, mullite and other raw materials are injected into a stirring cabin, the stirring motor can be started and drives the stirring column to rotate through the movable column, then the raw materials in the stirring cabin are stirred and mixed, the auger disk can be driven to rotate when the movable column rotates, when the raw materials are accumulated at the bottom of the stirring cabin, the raw materials can be turned out under the action of the auger disk, and therefore the raw materials are uniformly mixed.
2. This corundum mullite castable material of light high strength and preparation method thereof uses through the cooperation of shock dynamo and tray and contact spoke and vibrations spoke for this castable is at the in-process of mixing the preparation, and shock dynamo can start and drive the tray and contact spoke is rotatory through its output shaft, can intermittent type nature when the contact spoke is rotatory and the vibrations take place for the stirring cabin follow vibrations spoke with the vibrations spoke contact of stirring cabin bottom, thereby the inside stirring mixed work that goes on of supplementary stirring cabin, further promote the mixed effect of raw materials.
3. This corundum mullite castable material of light high strength and preparation method thereof uses through the cooperation of fan and communicating pipe and intercommunication base and injector head for this castable is carrying out mixing operation to a small amount of raw materials, and the fan can start and prepare the wind and restraint, inputs the inside of intercommunication base with the wind through communicating pipe then, finally sprays the inside of agitator tank through the injector head, the mixture of supplementary a small amount of raw materials, makes agitator motor need not long-time work, thereby reduces the energy consumption of the whole during operation of device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the backside of the present invention;
FIG. 3 is a schematic structural diagram of the front side of the present invention;
FIG. 4 is a schematic structural view of the bottom of the mixing chamber of the present invention;
FIG. 5 is a schematic structural view of the inside of the stirring chamber of the present invention;
FIG. 6 is a schematic view of the inner side of the tray of the present invention;
FIG. 7 is a schematic view showing the structure of the sealing cover and the inside of the top plate according to the present invention;
FIG. 8 is a schematic view of the exterior of the holder of the present invention;
FIG. 9 is a schematic diagram of the spring and gimbal configuration of the present invention.
In the figure: 1. a base plate; 2. vibrating a motor; 3. a discharge valve; 4. a tray; 5. supporting legs; 6. a fixed mount; 7. a spring; 8. a universal joint; 9. a support frame; 10. a controller; 11. an electric telescopic column; 12. a fan; 13. a top plate; 14. a sealing cover; 15. a stirring chamber; 16. a stirring motor; 17. vibrating the spokes; 18. a movable post; 19. a stirring column; 20. a packing auger disc; 21. an injector head; 22. the base is communicated; 23. contacting the spokes; 24. a communication pipe is provided.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1 to 9, a light-weight high-strength corundum-mullite castable includes 10% porous corundum-mullite ceramic particles, 10% porous corundum-mullite ceramic fine powder, 15% corundum fine powder, silica micropowder, and 10% alpha-Al2O3Micro powder, 10 percent of calcium aluminate cement and 2 percent of rho-Al2O3Binding agent, 5% silica fume superfine powder and the balance of silica sol.
Example 2
This example describes the preparation of the castable material of example 1: porous corundum-mullite ceramic particles, porous corundum-mullite ceramic fine powder, corundum fine powder, silicon dioxide micro powder and alpha-Al2O3Micropowder calcium aluminate cementPutting the silica fume superfine powder into a stirring and mixing device, stirring and mixing, fully stirring uniformly, and adding rho-Al2O3And (4) continuously stirring the binding agent and the silica sol until the casting material is molded.
Example 3
The embodiment describes a preparation device of the light-weight high-strength corundum-mullite castable in embodiment 1, which includes a bottom plate 1, wherein uniformly distributed fixing frames 6 are fixedly installed at the top of the bottom plate 1, supporting frames 9 are welded at the top of the bottom plate 1, uniformly distributed supporting legs 5 are arranged at the bottom of the bottom plate 1, uniformly distributed springs 7 and universal joints 8 are arranged on the inner side of the fixing frames 6, when the stirring chamber 15 does not work, the stirring chamber can be kept stable under the action of the springs 7 and the universal joints 8 and is located on the inner side of the fixing frames 6, a stirring chamber 15 is movably sleeved between the springs 7 and the universal joints 8, the sealing cover 14 and the stirring chamber 15 are matched with each other, the sealing cover 14 can be butted with the top of the stirring chamber 15 under the action of a driving shaft of an electric telescopic column 11 and seals the stirring chamber 15, a stirring motor 16 is fixedly sleeved at the top of the sealing cover 14, when all raw materials are injected into the stirring chamber 15, after the sealing cover 14 seals the stirring cabin 15, a worker can start the stirring motor 16, an output shaft of the stirring motor 16 extends to the lower part of the sealing cover 14 and is fixedly sleeved with a movable column 18, the stirring column 19 is fixedly sleeved outside the movable column 18 and is uniformly distributed, the stirring motor 16 drives the stirring column 19 to rotate through the movable column 18 to stir and mix raw materials inside the stirring cabin 15, an auger disc 20 is fixedly sleeved at the bottom end of the movable column 18, the bottom of the auger disc 20 is in contact with the bottom of the inner wall of the stirring cabin 15, the auger disc 20 is driven to rotate when the movable column 18 rotates, when the raw materials are accumulated at the bottom of the stirring cabin 15, the auger disc 20 can repeatedly turn the raw materials upwards, so that raw material accumulation at the bottom of the stirring cabin 15 is avoided, a discharge valve 3 is arranged outside the stirring cabin 15, products can be obtained after the mixing operation of the raw materials, and can be discharged outwards through the discharge valve 3, the principle and the use process of this bleeder valve 3 all are the same with prior art, and it is no longer repeated here, and the top fixed mounting of support frame 9 has roof 13, and the fixed cover in outside of roof 13 is equipped with evenly distributed's electronic flexible post 11, and the drive shaft of electronic flexible post 11 extends to the below of roof 13 and fixed cover is equipped with sealed lid 14, can drive sealed lid 14 motion through its drive shaft after electronic flexible post 11 starts, from the state that opens and shuts at control stirred tank 15 top, and the model of this electronic flexible post 11 is JINJE-1601.
Referring to fig. 3 to 6, a vibration motor 2 is fixedly sleeved on the top of a bottom plate 1, a tray 4 is fixedly sleeved on the outer portion of an output shaft of the vibration motor 2, the tray 4 can be driven to rotate by the output shaft of the vibration motor 2 after the vibration motor 2 is started, the tray 4 is sleeved on the outer portion of a stirring cabin 15, so that the structure inside the tray 4 is in contact with the outer portion of the stirring cabin 15 and the stirring cabin 15 integrally generates high-frequency vibration, stirring and mixing work inside the stirring cabin 15 is assisted, a gap is formed between the tray 4 and the stirring cabin 15, the gap between the tray 4 and the stirring cabin 15 can prevent the stirring cabin 15 from colliding with the tray 4 during vibration, uniformly distributed vibration spokes 17 are fixedly installed at the bottom of the stirring cabin 15, the tray 4 can drive the contact spokes 23 to rotate, the uniformly distributed contact spokes 23 are fixedly sleeved inside the tray 4, and the vibration spokes 17 are matched with the contact spokes 23, the contact spokes 23 intermittently contact with the vibration spokes 17 at the bottom of the stirring chamber 15 when rotating, so that the stirring chamber 15 moves under the action of the universal joint 8, and drives the spring 7 to contract or stretch, and generates high-frequency vibration.
Referring to fig. 1 and 7, a communicating base 22 is fixedly sleeved outside the sealing cover 14, one end of the communicating base 22 extends to the inner side of the sealing cover 14 and is fixedly sleeved with an ejecting head 21 which is uniformly distributed, when a small amount of raw materials are mixed, the fan 12 can be started and prepare a wind beam, then the wind beam is input into the communicating base 22 through the communicating pipe 24, the model of the fan 12 is CZR-LY60, the top of the top plate 13 is fixedly provided with the fan 12, the communicating pipe 24 is connected between the fan 12 and the communicating base 22, the wind beam finally ejects the inside of the stirring cabin 15 through the ejecting head 21 to act on the raw materials, so that the raw materials are lifted in the stirring cabin 15, thereby assisting the mixing of the small amount of raw materials, reducing the working time of the stirring motor 16 and the vibration motor 2, further reducing the energy consumption of the device when the device works integrally, a controller 10 positioned between the electric telescopic columns 11 is fixedly sleeved above the bottom plate 1, equal electric connection between controller 10 and fan 12, electronic flexible post 11, agitator motor 16, the shock dynamo 2, controller 10 can control fan 12, electronic flexible post 11, agitator motor 16, the respective operating time of shock dynamo 2 to the degree of automation of the whole during operation of hoisting device, the principle and the use of this controller 10 all are the same with prior art, do not give unnecessary details here.
Example 4
The embodiment describes a method for preparing a light-weight high-strength corundum-mullite castable by using the preparation equipment in the embodiment 3, which comprises the following steps:
s1, starting the electric telescopic column 11, driving the sealing cover 14 to move upwards by the electric telescopic column 11 through a driving shaft of the electric telescopic column, opening the top of the stirring cabin 15, injecting corundum, mullite and other raw materials to be mixed into the stirring cabin 15 according to a proportion, starting the electric telescopic column 11 again, enabling the sealing cover 14 to descend until the sealing cover 14 seals the top end of the stirring cabin 15, starting the stirring motor 16, driving the stirring column 19 to rotate by the stirring motor 16 through the movable column 18, stirring and mixing the raw materials in the stirring cabin 15, driving the auger disc 20 to rotate when the movable column 18 rotates, and repeatedly turning the raw materials upwards by the auger disc 20 when the raw materials are accumulated at the bottom of the stirring cabin 15.
S2, when stirring mixing work is carried out in the stirring cabin 15, the vibration motor 2 is started and drives the tray 4 and the contact spokes 23 to rotate through an output shaft of the vibration motor, the contact spokes 23 can intermittently contact with the vibration spokes 17 at the bottom of the stirring cabin 15 when rotating, the stirring cabin 15 moves under the action of the universal joint 8 and drives the spring 7 to contract or stretch, high-frequency vibration is generated, and the stirring mixing work carried out in the stirring cabin 15 is assisted.
S3, carry out the mixing operation to a small amount of raw materials, fan 12 starts and prepares the wind and restraints, then with the wind restraint through the inside of communicating pipe 24 input intercommunication base 22, finally spray the inside of stirring cabin 15 through injector head 21, act on the raw materials, make the raw materials raise in the inside of stirring cabin 15, the mixture of supplementary a small amount of raw materials, reduce agitator motor 16' S operating time, fan 12 during operation simultaneously, the inside atmospheric pressure of stirring cabin 15 can increase under the effect of wind restraint, when accomplishing mixing operation and outwards exporting the product, the product can be discharged through bleeder valve 3, the discharging efficiency of bleeder valve 3 can be assisted to the inside high pressure of stirring cabin 15.
Example 4
The present embodiment is different from embodiment 1 in that:
a light-weight high-strength corundum-mullite castable comprises 15% of porous corundum-mullite ceramic particles, 25% of porous corundum-mullite ceramic fine powder, 20% of corundum fine powder, silicon dioxide micro powder and 15% of alpha-Al2O3Micro powder, 15 percent of calcium aluminate cement and 5 percent of rho-Al2O3Binding agent, 10% silica fume superfine powder and the balance of silica sol.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The lightweight high-strength corundum-mullite castable is characterized by comprising the following components in parts by weight: 10 to 15 percent of porous corundum-mullite ceramic particles, 10 to 25 percent of porous corundum-mullite ceramic fine powder, 15 to 20 percent of corundum fine powder, silicon dioxide micro powder and 10 to 15 percent of alpha-Al2O3Micro powder, 10-15% of calcium aluminate cement and 2-5% of rho-Al2O3Binding agent, 5-10% of silica fume superfine powder and the balance of silica sol.
2. The preparation method of the light-weight high-strength corundum-mullite castable according to claim 1, wherein the preparation method comprises the following steps: porous corundum-mullite ceramic particles, porous corundum-mullite ceramic fine powder, corundum fine powder, silicon dioxide micro powder and alpha-Al2O3Putting the micro powder, the calcium aluminate cement and the silica fume superfine powder into a stirring and mixing device, stirring and mixing, fully stirring uniformly, and adding rho-Al2O3And (4) continuously stirring the binding agent and the silica sol until the casting material is molded.
3. A device for preparing a lightweight high-strength corundum-mullite castable material according to claim 1, comprising a bottom plate (1), characterized in that: the top fixed mounting of bottom plate (1) has evenly distributed's mount (6), and the top welding of bottom plate (1) has support frame (9), the bottom of bottom plate (1) is provided with evenly distributed's supporting leg (5), the inboard of mount (6) is provided with evenly distributed's spring (7) and universal joint (8), movable sleeve is equipped with stirring cabin (15) between spring (7) and universal joint (8), the outside of stirring cabin (15) is provided with bleeder valve (3), the top fixed mounting of support frame (9) has roof (13), the external fixed cover of roof (13) is equipped with evenly distributed's electronic flexible post (11), the drive shaft of electronic flexible post (11) extends to the below of roof (13) and fixed cover is equipped with sealed lid (14).
4. The preparation equipment of the corundum-mullite castable with light weight and high strength as claimed in claim 3, wherein: the fixed cover in top of bottom plate (1) is equipped with shock dynamo (2), tray (4) are equipped with to the outside fixed cover of output shaft of shock dynamo (2), tray (4) cup joint in the outside of stirring cabin (15), and are provided with the space between tray (4) and stirring cabin (15).
5. The preparation equipment of the corundum-mullite castable with light weight and high strength as claimed in claim 4, wherein: the bottom fixed mounting of stirring chamber (15) has evenly distributed's vibrations spoke (17), the fixed cover in inside of tray (4) is equipped with evenly distributed's contact spoke (23), match each other between vibrations spoke (17) and contact spoke (23).
6. The preparation equipment of the corundum-mullite castable with light weight and high strength as claimed in claim 3, wherein: mutually match between sealed lid (14) and stirring cabin (15), and the fixed cover in top of sealed lid (14) is equipped with agitator motor (16), the output shaft of agitator motor (16) extends to the below of sealed lid (14) and fixed cover is equipped with movable post (18), the fixed cover in outside of movable post (18) is equipped with evenly distributed's stirring post (19).
7. The preparation equipment of the corundum-mullite castable with light weight and high strength as claimed in claim 6, wherein: the fixed cover in bottom of activity post (18) is equipped with auger dish (20), the bottom of auger dish (20) contacts with the bottom of the inner wall of agitator tank (15).
8. The preparation equipment of the corundum-mullite castable with light weight and high strength as claimed in claim 3, wherein: the fixed cover in outside of sealed lid (14) is equipped with intercommunication base (22), the one end of intercommunication base (22) extends to the inboard of sealed lid (14) and fixed cover is equipped with evenly distributed's injection head (21), the top fixed mounting of roof (13) has fan (12), be connected with communicating pipe (24) between fan (12) and intercommunication base (22).
9. The preparation equipment of the corundum-mullite castable with light weight and high strength as claimed in claim 8, wherein: the upper side of the bottom plate (1) is fixedly sleeved with a controller (10) located between the electric telescopic columns (11), and the controller (10) is electrically connected with the fan (12), the electric telescopic columns (11), the stirring motor (16) and the vibration motor (2).
10. A method for preparing a light-weight high-strength corundum-mullite castable material by using the preparation equipment as set forth in any one of claims 3-9, which comprises the following steps:
s1, starting the electric telescopic column (11), driving the sealing cover (14) to move upwards by the electric telescopic column (11) through a driving shaft of the electric telescopic column, opening the top of the stirring cabin (15), injecting corundum, mullite and other raw materials to be mixed into the stirring cabin (15) according to a ratio, starting the electric telescopic column (11) again, enabling the sealing cover (14) to descend until the sealing cover (14) seals the top end of the stirring cabin (15), starting the stirring motor (16), driving the stirring column (19) to rotate by the stirring motor (16) through the movable column (18), stirring and mixing the raw materials in the stirring cabin (15), driving the packing auger disc (20) to rotate when the movable column (18) rotates, and repeatedly turning the raw materials upwards by the packing auger disc (20) when the raw materials are accumulated at the bottom of the stirring cabin (15).
S2, when stirring and mixing work is carried out in the stirring cabin (15), the vibration motor (2) is started and drives the tray (4) and the contact spokes (23) to rotate through an output shaft of the vibration motor, the contact spokes (23) can intermittently contact with the vibration spokes (17) at the bottom of the stirring cabin (15) when rotating, the stirring cabin (15) moves under the action of the universal joint (8) and drives the spring (7) to contract or stretch, high-frequency vibration is generated, and the stirring and mixing work carried out in the stirring cabin (15) is assisted.
S3, carry out mixing operation to a small amount of raw materials, fan (12) start and preparation wind bunch, then with wind bunch through the inside of communicating pipe (24) input intercommunication base (22), finally spray the inside of stirring cabin (15) through injector head (21), act on the raw materials, make the raw materials raise in the inside of stirring cabin (15), the mixture of supplementary a small amount of raw materials, reduce the operating time of agitator motor (16), fan (12) during operation simultaneously, the inside atmospheric pressure of stirring cabin (15) can increase under the effect of wind bunch, when accomplishing mixing operation and outwards exporting the product, the product can be discharged through bleeder valve (3), the discharging efficiency of bleeder valve (3) can be assisted to the inside high pressure of stirring cabin (15).
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