CN114180992A - Powder falling prevention film covering agent for vitrified aggregate biscuit, film covering system and film covering method - Google Patents
Powder falling prevention film covering agent for vitrified aggregate biscuit, film covering system and film covering method Download PDFInfo
- Publication number
- CN114180992A CN114180992A CN202111354938.XA CN202111354938A CN114180992A CN 114180992 A CN114180992 A CN 114180992A CN 202111354938 A CN202111354938 A CN 202111354938A CN 114180992 A CN114180992 A CN 114180992A
- Authority
- CN
- China
- Prior art keywords
- aggregate
- biscuit
- slurry
- vitrified
- film covering
- 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.)
- Granted
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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/87—Ceramics
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5025—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
- C04B41/5037—Clay, Kaolin
Abstract
The invention discloses a powder falling prevention film covering agent for a vitrified aggregate biscuit, a film covering system and a film covering method, wherein water glass, high-viscosity agent attapulgite, high-liquid limit clay and water are mixed according to a set proportion and then are subjected to high-speed discrete stirring to prepare stable slurry; and uniformly attaching the prepared stable slurry to the surface of the porcelain aggregate biscuit to form a coating. The surface of the ceramic aggregate biscuit is coated with the high-strength wear-resistant film layer, so that sufficient wear resistance is provided for the biscuit before the biscuit is sintered, powder falling is greatly reduced, and the parameters such as strength and the like of an aggregate product are effectively improved through reaction with an aggregate matrix in the process of sintering the aggregate, so that the problem that the powder falls easily due to insufficient strength of the ceramic particle biscuit in the drying process after the biscuit is formed in the production process of the ceramic aggregate is solved.
Description
Technical Field
The invention belongs to the technical field of preparation of vitrified aggregates, and particularly relates to a powder-dropping-preventing film coating agent for vitrified aggregate biscuit, a film coating system and a film coating method, which are particularly suitable for film coating protection of vitrified aggregates prepared by synergy of various hazardous wastes.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
After the molding of the porcelain aggregate biscuit is finished, the porcelain aggregate biscuit needs to be placed in a rotary kiln for drying and sintering to prepare the porcelain aggregate. In the rolling drying process of the biscuit in the rotary kiln, before partial liquid phase (about 800 ℃) appears in the biscuit in high-temperature sintering, the vitrified aggregate biscuit can rub against the inner wall of the rotary kiln along with the loss of moisture to cause grinding powder falling. Because the fineness of the raw materials of the vitrified aggregate is below 100 meshes, the concentration of dust in the kiln is easily overhigh due to the fact that the biscuit of the vitrified aggregate is rubbed and powder falls off, most of the dust enters a smoke treatment procedure along with sintering smoke, and certain difficulty is brought to subsequent smoke treatment; the residual small amount of dust can overflow to the environment from the connecting parts of the kiln head, the kiln tail and the kiln body, so that the environmental dust exceeds the standard. Particularly, for various ceramic aggregates prepared by the cooperation of hazardous wastes, the grinding dust of the aggregates can cause the workshop environment to be unqualified and can not pass the environmental protection acceptance.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a powder-dropping-preventing film coating agent for a vitrified aggregate biscuit, a film coating system and a film coating method. The surface of the ceramic aggregate biscuit is coated with the high-strength wear-resistant film layer, so that sufficient wear resistance is provided for the biscuit before the biscuit is sintered, powder falling is greatly reduced, and the parameters such as strength and the like of an aggregate product are effectively improved through reaction with an aggregate matrix in the process of sintering the aggregate, so that the problem that the powder falls easily due to insufficient strength of the ceramic particle biscuit in the drying process after the biscuit is formed in the production process of the ceramic aggregate is solved.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, the invention provides a powder falling prevention film coating agent for a vitrified aggregate biscuit, which comprises the components of water glass, high-viscosity agent attapulgite, high-liquid limit clay and water.
In a second aspect, the invention provides a powder falling prevention coating system for a vitrified aggregate biscuit, comprising: an aggregate shaper, a slurry tank and a spraying device, wherein,
the spraying device comprises a slurry conveying device and at least one spray head, the spray head is arranged at the output end of the slurry conveying device, and the input end of the slurry conveying device is communicated with the slurry pool through a slurry pump;
the spray head is arranged at the tail part of the shaping cavity of the aggregate shaping machine.
In a third aspect, the invention provides a powder falling prevention film coating method for a vitrified aggregate biscuit, which comprises the following steps:
mixing water glass, high-viscosity agent attapulgite, high liquid limit clay and water according to a set proportion, and dispersing and stirring at a high speed to prepare stable slurry;
and uniformly attaching the prepared stable slurry to the surface of the porcelain aggregate biscuit to form a coating.
In a fourth aspect, the invention provides a vitrified aggregate biscuit attached with a protective film, which is prepared by the film coating method.
In a fifth aspect, the invention provides a preparation method of a vitrified aggregate, which comprises the step of sintering the coated vitrified aggregate biscuit in a rotary kiln to prepare the vitrified aggregate.
In a sixth aspect, the invention provides a porcelainized aggregate prepared by the preparation method of the porcelainized aggregate.
The above-described one or more embodiments of the present invention achieve the following advantageous effects:
1) the surface of the vitrified aggregate biscuit is coated with a layer of protective film with higher strength, so that the surface wear resistance of the vitrified aggregate biscuit in the drying process can be better improved, and the dust generation amount in the aggregate production is reduced to the maximum extent.
2) The components of the film covering agent are inorganic non-metallic materials which are easy to form a combination with an aggregate biscuit material, wherein the content of silicon and aluminum is high, the temperature resistance of the surface in the process of sintering the aggregate can be effectively improved, and the problems of sintering and the like such as adhesion, ring formation and the like are avoided.
In addition, the components such as water glass and the like added into the film covering agent are easy to form stable combination with the aggregate substrate, thereby being beneficial to improving the strength of the vitrified aggregate product.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a flow diagram of a powder falling prevention coating process for a porcelainized aggregate biscuit according to one or more embodiments of the present invention;
FIG. 2 is a schematic illustration of a coated slurry spray system according to one or more embodiments of the present invention;
FIG. 3 is a schematic diagram of the overall structure of a coated slurry spray system according to one or more embodiments of the present invention;
FIG. 4 is a schematic diagram of a rocking spray device according to one or more embodiments of the present invention;
FIG. 5 is a schematic cross-sectional structural view of a mating structure of a rigid slurry transport conduit and a drive sleeve according to one or more embodiments of the present invention;
FIG. 6 is a mating cross-sectional view of a rigid slurry transport conduit and a drive sleeve according to one or more embodiments of the invention.
In the figure: the mutual spacing or size is exaggerated to show the position of each part, and the schematic diagram is only used for illustration;
the system comprises a slurry tank 1, a slurry pump 2, a recovery tank 3, a recovery cover 4, a spray head 5, a driving device 6, an aggregate shaping machine 7, a rigid slurry conveying pipeline 8, a support 9, a slurry inlet 10, a driving sleeve 11, a belt wheel 12, a protruding part 13 and a shifting piece 14.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
In a first aspect, the invention provides a powder falling prevention film coating agent for a vitrified aggregate biscuit, which comprises the components of water glass, high-viscosity agent attapulgite, high-liquid limit clay and water.
The invention takes water glass, high-viscosity agent attapulgite and high liquid limit clay as basic materials to prepare solution with stable suspension performance and easy atomization, and a layer of high-strength coating film is coated on the surface of an aggregate biscuit through a specially designed atomization device matched with an aggregate production line. After the coating film is sprayed on the surface of the aggregate, the coating film can be subjected to a bonding reaction with the surface layer of the aggregate to form a stable bonding transition layer and a surface coating film layer, the hardness of the coating film layer and the transition layer is improved along with the loss of moisture of the aggregate, and finally the surface layer with the wear resistance far higher than that of a common aggregate biscuit is formed.
The water glass is formed by melting sodium carbonate and quartz into a fused mass at high temperature, and then forming a semitransparent solution by using high-temperature and high-pressure water, wherein the water glass mainly plays a role in diluting electrolyte in the coating film spraying slurry, so that the flowing property of the spraying slurry can be improved, and the strength of the spraying slurry is not influenced.
The high viscosity Attapulgite is a high viscosity product prepared by using rare natural non-metal ore-Attapulgite Clay (Attapulgite Clay) through the processes of soaking, grinding, dewatering, surface activation, crushing, wrapping, blending and the like and through a scientific formula and a special processing process, and the high viscosity Attapulgite is a natural hydrated magnesium aluminum silicate and has a unique three-dimensional chain structure and a special needle-rod fibrous crystal form. In the coating film spraying slurry, the characteristics of high cohesiveness, excellent suspension property and colloid thixotropy, temperature resistance, fire resistance, corrosion resistance, inertia, stability and the like in a working medium are mainly applied.
The high liquid limit clay is one of clay, belongs to slope residue from geological causes, has lithology of gravel-containing clay, contains 20-30% of gravel more, is a weathered product of volcaniclastic rock and is reddish brown mostly. The clay has very special physical and mechanical properties, such as the average water content of 56%, the dry density of 13.6kN/m, the wet density of l5.2 kN/m, the liquid limit of 77, the plastic limit of 39, the unconfined compressive strength of 34kPa, the optimal water content of 38% and the maximum dry density of 13.9kN/m, wherein the higher the liquid limit value of soil is, the higher the hardness is, the better the stability is, and therefore, the dried surface hardness can be provided for the coating spraying film. High liquid limit clay usually contains a large amount of clay components such as montmorillonite, illite, kaolinite and the like, which are all clay components necessary for a porcelainized material, and can provide higher silicon-aluminum content than a porcelainized aggregate matrix, so that higher temperature resistance and higher strength after firing can be formed than the aggregate matrix.
In some embodiments, the film coating agent is composed of the following components in parts by weight: 2.5-3.5 parts of water glass, 10-12 parts of high-viscosity concave soil, 8-10 parts of high liquid limit clay and 75-80 parts of water.
In a second aspect, the invention provides a powder falling prevention coating system for a vitrified aggregate biscuit, comprising: an aggregate shaper, a slurry tank and a spraying device, wherein,
the spraying device comprises a slurry conveying device and at least one spray head, the spray head is arranged at the output end of the slurry conveying device, and the input end of the slurry conveying device is communicated with the slurry pool through a slurry pump;
the spray head is arranged at the tail part of the shaping cavity of the aggregate shaping machine.
In some embodiments, the spraying device is a swinging spraying device and comprises a driving mechanism, a rigid slurry conveying pipeline and a plurality of spray heads, wherein one end of the rigid slurry conveying pipeline is connected with the driving mechanism, the plurality of spray heads are arranged along the axial direction of the rigid slurry conveying pipeline, and the rigid slurry conveying pipeline is connected with the slurry pool through a pipeline.
Furthermore, the driving mechanism comprises a driving device and a driving connecting piece, the driving connecting piece comprises a driving sleeve and a belt wheel arranged at one end of the driving sleeve, and the belt wheel is connected with the driving device;
the inner wall of the driving sleeve is provided with a shifting sheet;
the end part of the rigid slurry conveying pipeline is sleeved in the driving sleeve, and the outer wall of the rigid slurry conveying pipeline is provided with a protruding part matched with the poking sheet;
the shifting piece can deform when the bearing is larger than a set value and is separated from the protruding part.
In actual work, the driving device drives the belt wheel to rotate through a transmission part such as a belt and further drives the driving sleeve to rotate, when the plectrum on the driving sleeve rotates to be in contact with the protruding part on the rigid slurry conveying pipeline, the rigid slurry conveying pipeline can be driven to rotate through the protruding part, the lower end of the rigid slurry conveying pipeline is provided with the spray head assembly, the weight is large, when the rigid slurry conveying pipeline rotates, the pressure applied to the plectrum is increased to a certain degree, the plectrum deforms (the plectrum can be made of high-temperature-resistant and wear-resistant elastic materials and can also be arranged on the inner wall of the driving sleeve in a hinged mode, the side face of the plectrum is connected with the inner wall of the driving sleeve through the reset spring), the plectrum deforms and is separated from the protruding part, the rigid slurry conveying pipeline rotates under the action of gravity, and further swings.
The swinging frequency of the spray head can be adjusted by adjusting the rotating frequency of the driving sleeve.
The area of a guniting area of the swing spraying device is larger, and the uniform distribution of the slurry on the surface of the aggregate biscuit is facilitated.
Furthermore, the slurry pump also comprises a bracket, wherein at least two arc-shaped supporting areas are arranged on the bracket, and the arc-shaped supporting areas are matched with the rigid slurry conveying pipeline.
The aggregate trimmer is extended out of the support body, and the rigid slurry conveying pipeline is supported by the arc-shaped supporting area so as to ensure the stability of the material spraying process.
In some embodiments, the recycling device further comprises a recycling cover, wherein the recycling cover is arranged above the spray head and is connected with the recycling tank through a pipeline.
Further, the recovery tank is communicated with the slurry tank.
In a third aspect, the invention provides a powder falling prevention film coating method for a vitrified aggregate biscuit, which comprises the following steps:
mixing water glass, high-viscosity agent attapulgite, high liquid limit clay and water according to a set proportion, and dispersing and stirring at a high speed to prepare stable slurry;
and uniformly attaching the prepared stable slurry to the surface of the porcelain aggregate biscuit to form a coating.
In some embodiments, the slurry is attached to the surface of the porcelainized aggregate biscuit by spraying.
Further, in the slurry spraying process, the ceramic aggregate biscuit continuously rolls.
Further, the method also comprises the step of drying the porcelain aggregate biscuit after coating a film on the porcelain aggregate biscuit.
In a fourth aspect, the invention provides a vitrified aggregate biscuit attached with a protective film, which is prepared by the film coating method.
In a fifth aspect, the invention provides a preparation method of a vitrified aggregate, which comprises the step of sintering the coated vitrified aggregate biscuit in a rotary kiln to prepare the vitrified aggregate.
In a sixth aspect, the invention provides a porcelainized aggregate prepared by the preparation method of the porcelainized aggregate.
The invention is further described with reference to the following figures and specific examples.
Example 1
As shown in fig. 2 and 3, the vitrified aggregate biscuit powder falling prevention coating system comprises: the device comprises an aggregate shaper 7, a slurry pool 1 and a swinging spraying device, wherein the swinging spraying device comprises a driving mechanism, a rigid slurry conveying pipeline 8 and spray heads 5, one end of the rigid slurry conveying pipeline 8 is connected with the driving mechanism, a plurality of spray heads are arranged along the axial direction of the rigid slurry conveying pipeline 8, and a slurry inlet 10 is formed in the rigid slurry conveying pipeline 8 and is connected with the slurry pool 1 through a pipeline; the driving mechanism comprises a driving device 6 and a driving connecting piece, the driving connecting piece comprises a driving sleeve 11 and a belt wheel 12 arranged at one end of the driving sleeve, and the belt wheel 12 is connected with the driving device 6; the inner wall of the driving sleeve 11 is provided with a shifting sheet 14; the end part (the end part can be a solid structure) of the rigid slurry conveying pipeline 8 is sleeved inside the driving sleeve 11, and the outer wall of the rigid slurry conveying pipeline is provided with a protruding part 13 matched with the poking sheet 14; the shifting piece 14 can deform to separate from the protruding part 13 when the bearing capacity is larger than a set value.
The bracket 9 is provided with at least two arc-shaped supporting areas, the arc-shaped supporting areas are matched with the rigid slurry conveying pipeline 9 and arranged at the bottom of the rigid slurry conveying pipeline 9 and used for supporting the rigid slurry conveying pipeline 9; retrieve cover 4 and set up in the top of shower nozzle, and be connected with recycle bin 3 through the pipeline, recycle bin 3 and slurry pond 1 intercommunication, slurry conveying power can be provided by the pump.
Mixing various raw materials in a slurry preparation pool according to a ratio by a high-speed dispersion machine to prepare uniform and stable spraying slurry; conveying the prepared slurry to a slurry pool through a conveying pump; utilize the delivery pump to extract the spraying thick liquids from the thick liquids pond, carry for the shower nozzle and provide pressure for the shower nozzle through the pipeline, the shower nozzle utilizes the pressure of thick liquids pump to implement and sprays in succession, and the aggregate biscuit rolls from the shower nozzle below and passes through, leaves after being evenly sprayed the spraying thick liquids rete, retrieves the cover and for the thick liquids water smoke that sprays limited the scope and drainage to the recovery pond, and the recovery pond passes through recovery pipeline and thick liquids pond UNICOM, and the thick liquids of recovery are recycled. The slurry pool stirrer continuously and slowly stirs to prevent the slurry from settling. The specific process flow is shown in figure 1.
The powder falling prevention film covering method for the vitrified aggregate biscuit comprises the following steps:
1) preparing a coating film spray coating: the coating film spray paint comprises, by mass, 3.5% of water glass, 11% of high viscosity agent attapulgite and 10% of high liquid limit clay, and is prepared into an aqueous solution with stable suspension performance by high-speed discrete stirring.
2) A long-pipe-type spraying device extends into the upper half part of a cylinder of a biscuit aggregate shaping machine at one fifth of the tail part of the cylinder, spraying heads are arranged at intervals along the axial direction of the cylinder of the shaping machine and swing by taking a long pipe as an axis, a prepared coating film coating spraying material is driven into the spraying heads through a stirring feeding machine, spraying is formed through air pressure, and a layer of reinforced coating film layer with tight coating is formed on the surface of aggregate along with the rolling and displacement of the biscuit of the aggregate in the shaping cylinder.
The vitrified aggregate biscuit is prepared from a mixture of oil sludge dry residue, loess, yellow sand and clay in a mass ratio of 45:10:10:30, the particle fineness of the mixture is 150 meshes, and the water content of the mixture is 30%. The diameter of the blank material is 10 mm.
And calcining the prepared aggregate biscuit coated with the film layer in a rotary kiln at 1150 ℃ for 30min to prepare the vitrified aggregate.
In the drying and sintering processes in the rotary kiln, the generated dust amount is less, and the phenomena of vitrified aggregate adhesion and rotary kiln ring formation are avoided.
The 1h water absorption of the prepared vitrified aggregate is 2 percent, and the bulk density is 1185kg/m3The barrel pressure strength was 50.22 MPa.
Example 2
The powder falling prevention film covering method for the vitrified aggregate biscuit comprises the following steps:
1) preparing a coating film spray coating: the coating film spray paint comprises the following components (by mass ratio), wherein the water glass accounts for 3%, the high-viscosity agent attapulgite accounts for 12%, and the high liquid limit clay accounts for 8%, and is prepared into an aqueous solution with stable suspension performance by high-speed discrete stirring.
2) A long-pipe-type spraying device extends into the upper half part of a cylinder of a biscuit aggregate shaping machine at one fifth of the tail part of the cylinder, spraying heads are arranged at intervals along the axial direction of the cylinder of the shaping machine and swing by taking a long pipe as an axis, a prepared coating film coating spraying material is driven into the spraying heads through a stirring feeding machine, spraying is formed through air pressure, and a layer of reinforced coating film layer with tight coating is formed on the surface of aggregate along with the rolling and displacement of the biscuit of the aggregate in the shaping cylinder.
The vitrified aggregate biscuit is prepared from a mixture of oil sludge dry residue, loess, yellow sand and clay in a mass ratio of 60:10:10:10, the particle fineness of the mixture is 150 meshes, and the water content of the mixture is 40%. The diameter of the blank material is 10 mm.
And calcining the prepared aggregate biscuit coated with the film layer in a rotary kiln at 1100 ℃ for 25min to prepare the vitrified aggregate.
In the drying and sintering processes in the rotary kiln, the generated dust amount is less, and the phenomena of vitrified aggregate adhesion and rotary kiln ring formation are avoided.
The 1-hour water absorption of the prepared vitrified aggregate is 0.24 percent, and the bulk density is 990.25kg/m3The barrel pressure was 33.14 MPa.
Example 3
The powder falling prevention film covering method for the vitrified aggregate biscuit comprises the following steps:
1) preparing a coating film spray coating: the coating film spray paint comprises the following components (by mass ratio), wherein the water glass accounts for 2.5%, the high-viscosity agent attapulgite accounts for 10%, and the high liquid limit clay accounts for 8%, and is prepared into an aqueous solution with stable suspension performance through high-speed discrete stirring.
2) A long-pipe-type spraying device extends into the upper half part of a cylinder of a biscuit aggregate shaping machine at one fifth of the tail part of the cylinder, spraying heads are arranged at intervals along the axial direction of the cylinder of the shaping machine and swing by taking a long pipe as an axis, a prepared coating film coating spraying material is driven into the spraying heads through a stirring feeding machine, spraying is formed through air pressure, and a layer of reinforced coating film layer with tight coating is formed on the surface of aggregate along with the rolling and displacement of the biscuit of the aggregate in the shaping cylinder.
The vitrified aggregate biscuit is prepared from a mixture of oil sludge dry residue, loess, yellow sand and clay in a mass ratio of 38:10:10:40, the particle fineness of the mixture is 150 meshes, and the water content of the mixture is 50%. The diameter of the blank material is 20 mm.
And calcining the prepared aggregate biscuit coated with the film layer in a rotary kiln at 1200 ℃ for 15min to prepare the vitrified aggregate.
In the drying and sintering processes in the rotary kiln, the generated dust amount is less, and the phenomena of vitrified aggregate adhesion and rotary kiln ring formation are avoided.
The 1-hour water absorption of the prepared vitrified aggregate is 7.68 percent, and the bulk density is 972.16kg/m3The barrel pressure was 32.11 MPa.
Comparative example 1
The composition was the same as that of the vitrified aggregate biscuit in example 1.
The vitrified aggregate biscuit is prepared from a mixture of oil sludge dry residue, loess, yellow sand and clay in a mass ratio of 45:10:10:30, the particle fineness of the mixture is 150 meshes, and the water content of the mixture is 30%. The diameter of the blank material is 10 mm.
The ceramic aggregate biscuit is sintered at 1150 ℃ for 20 min.
The 1-hour water absorption rate of the prepared vitrified aggregate is 2.4 percent, and the bulk density is 1080kg/m3The barrel pressure was 43.84 MPa.
In the drying and sintering processes in the rotary kiln, a large amount of dust can be generated, aggregates can be adhered to each other to a certain extent, and the rotary kiln has a certain ring formation phenomenon.
Comparative example 2
The composition was the same as that of the vitrified aggregate biscuit in example 2.
The vitrified aggregate biscuit is prepared from a mixture of oil sludge dry residue, loess, yellow sand and clay in a mass ratio of 60:10:10:10, the particle fineness of the mixture is 150 meshes, and the water content of the mixture is 40%. The diameter of the blank material is 10 mm.
The ceramic aggregate biscuit is sintered at 1110 ℃ for 25 min.
The 1h water absorption of the prepared vitrified aggregate is 0.3 percent, and the bulk density is 972kg/m3The barrel pressure was 26.1 MPa.
In the drying and sintering processes in the rotary kiln, a large amount of dust can be generated, aggregates can be adhered to each other to a certain extent, and the rotary kiln has a certain ring formation phenomenon.
Comparative example 3
The composition was the same as that of the vitrified aggregate biscuit in example 3.
The vitrified aggregate biscuit is prepared from a mixture of oil sludge dry residue, loess, yellow sand and clay in a mass ratio of 38:10:10:40, the particle fineness of the mixture is 150 meshes, and the water content of the mixture is 50%. The diameter of the blank material is 20 mm.
The ceramic aggregate biscuit is sintered at 1200 ℃ for 15 min.
The 1-hour water absorption of the prepared vitrified aggregate is 8.05 percent, and the bulk density is 969.2kg/m3The barrel pressure strength was 26.03 MPa.
In the drying and sintering processes in the rotary kiln, a large amount of dust can be generated, aggregates can be adhered to each other to a certain extent, and the rotary kiln has a certain ring formation phenomenon.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a porcelainized aggregate biscuit prevents falling whitewashed laminating agent which characterized in that: the components of the water-based paint comprise water glass, high-viscosity concave soil, high-liquid-limit clay and water.
2. The vitrified aggregate biscuit powder falling prevention coating agent according to claim 1, characterized in that: the composition comprises the following components in parts by weight: 2.5-3.5 parts of water glass, 10-12 parts of high-viscosity concave soil, 8-10 parts of high liquid limit clay and 75-80 parts of water.
3. The utility model provides a whitewashed tectorial membrane system is prevented falling by porcelainized aggregate bisque which characterized in that: the method comprises the following steps: an aggregate shaper, a slurry tank and a spraying device, wherein,
the spraying device comprises a slurry conveying device and at least one spray head, the spray head is arranged at the output end of the slurry conveying device, and the input end of the slurry conveying device is communicated with the slurry pool through a slurry pump;
the spray head is arranged at the tail part of the shaping cavity of the aggregate shaping machine.
4. The vitrified aggregate biscuit powder falling prevention coating system according to claim 3, characterized in that: the spraying device is a swinging spraying device and comprises a driving mechanism, a rigid slurry conveying pipeline and a plurality of spray heads, wherein one end of the rigid slurry conveying pipeline is connected with the driving mechanism, the plurality of spray heads are arranged along the axial direction of the rigid slurry conveying pipeline, and the rigid slurry conveying pipeline is connected with a slurry pool through a pipeline;
furthermore, the driving mechanism comprises a driving device and a driving connecting piece, the driving connecting piece comprises a driving sleeve and a belt wheel arranged at one end of the driving sleeve, and the belt wheel is connected with the driving device;
the inner wall of the driving sleeve is provided with a shifting sheet;
the end part of the rigid slurry conveying pipeline is sleeved in the driving sleeve, and the outer wall of the rigid slurry conveying pipeline is provided with a protruding part matched with the poking sheet;
the shifting piece can deform when the bearing is larger than a set value and is separated from the protruding part;
furthermore, the slurry pump also comprises a bracket, wherein at least two arc-shaped supporting areas are arranged on the bracket, and the arc-shaped supporting areas are matched with the rigid slurry conveying pipeline;
in some embodiments, the device further comprises a recovery cover, wherein the recovery cover is arranged above the spray head and is connected with the recovery tank through a pipeline;
further, the recovery tank is communicated with the slurry tank.
5. A powder falling prevention film coating method for a vitrified aggregate biscuit is characterized by comprising the following steps: the method comprises the following steps:
mixing water glass, high-viscosity agent attapulgite, high liquid limit clay and water according to a set proportion, and dispersing and stirring at a high speed to prepare stable slurry;
and uniformly attaching the prepared stable slurry to the surface of the porcelain aggregate biscuit to form a coating.
6. The powder falling prevention film coating method for the porcelain aggregate biscuit according to claim 5, characterized in that: the slurry is attached to the surface of the porcelainized aggregate biscuit in a spraying mode;
further, in the slurry spraying process, the ceramic aggregate biscuit continuously rolls.
7. The powder falling prevention film coating method for the porcelain aggregate biscuit according to claim 5, characterized in that: after the porcelain aggregate biscuit is coated with the film, the method also comprises the step of drying the porcelain aggregate biscuit.
8. A porcelainized aggregate biscuit attached with a protective film is characterized in that: prepared by the film coating method of any one of claims 5 to 7.
9. A preparation method of vitrified aggregate is characterized by comprising the following steps: and sintering the coated ceramic aggregate biscuit in a rotary kiln to prepare the ceramic aggregate.
10. A porcelainized aggregate is characterized in that: the vitrified aggregate of claim 9 is prepared by the method for preparing the vitrified aggregate.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111354938.XA CN114180992B (en) | 2021-11-16 | 2021-11-16 | Powder falling prevention film covering agent for vitrified aggregate biscuit, film covering system and film covering method |
| PCT/CN2021/134878 WO2023087402A1 (en) | 2021-11-16 | 2021-12-01 | Anti-powder-falling film coating agent for ceramic aggregate green body, film coating system and film coating method |
| AU2021290246A AU2021290246B2 (en) | 2021-11-16 | 2021-12-01 | Vitrified aggregate biscuit anti-powder-shedding film overlaying agent, film overlaying system and film overlaying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111354938.XA CN114180992B (en) | 2021-11-16 | 2021-11-16 | Powder falling prevention film covering agent for vitrified aggregate biscuit, film covering system and film covering method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114180992A true CN114180992A (en) | 2022-03-15 |
| CN114180992B CN114180992B (en) | 2022-10-11 |
Family
ID=80540965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111354938.XA Active CN114180992B (en) | 2021-11-16 | 2021-11-16 | Powder falling prevention film covering agent for vitrified aggregate biscuit, film covering system and film covering method |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN114180992B (en) |
| AU (1) | AU2021290246B2 (en) |
| WO (1) | WO2023087402A1 (en) |
Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1075788A (en) * | 1963-09-16 | 1967-07-12 | Mead Corp | Coating process and product |
| GB1600484A (en) * | 1978-01-24 | 1981-10-14 | British Ind Sand Ltd | Foundry moulding |
| JP2000051994A (en) * | 1998-08-17 | 2000-02-22 | Kao Corp | Coating agent composition for casting |
| WO2002033019A1 (en) * | 2000-10-16 | 2002-04-25 | 3M Innovative Properties Company | Method of making ceramic aggregate particles |
| JP2002346691A (en) * | 2001-05-22 | 2002-12-03 | Lignyte Co Ltd | Method of manufacturing resin coated sand for shell mold and resin coated sand for shell mold |
| CN101245453A (en) * | 2007-12-27 | 2008-08-20 | 北京石油化工学院 | Equipment for producing thin film with whirl coating atomizing thermal decomposition |
| EP2013152A1 (en) * | 2006-04-28 | 2009-01-14 | Ceragreen Co., Ltd. | Method for manufacturing an artificial lightweight aggregate containing bottom ash |
| JP2010131665A (en) * | 2008-12-08 | 2010-06-17 | Okazaki Kosanbutsu Kk | Facing material for casting |
| CN103172380A (en) * | 2013-02-04 | 2013-06-26 | 常熟华融太阳能新型材料科技有限公司 | Spray granulation method of non-oxide ceramic powder |
| CN103553675A (en) * | 2013-10-28 | 2014-02-05 | 程巧娜 | Spraying material with good abrasive resistance |
| CN103755183A (en) * | 2013-12-30 | 2014-04-30 | 北京新航建材集团有限公司 | Surface coated ceramic particle for lightweight aggregate concrete and preparation method thereof |
| CN204298265U (en) * | 2013-12-30 | 2015-04-29 | 北京新航建材集团有限公司 | A kind of lightweight aggregate concrete surface coating haydite |
| CN104591616A (en) * | 2014-12-23 | 2015-05-06 | 铜陵市标杆建筑节能科技有限公司 | Architectural high-workability emulsified asphalt thermal-insulation mortar |
| CN104710139A (en) * | 2014-12-12 | 2015-06-17 | 安徽恒源煤电股份有限公司 | Slip-casting material of clay cement mortar |
| CN109336556A (en) * | 2018-11-18 | 2019-02-15 | 景德镇陶瓷大学 | A kind of enhancing of architectural pottery prestressing force coating paste and preparation method thereof and architectural pottery product |
| CN109650866A (en) * | 2019-01-17 | 2019-04-19 | 杭州权峰环保建材有限公司 | A kind of overlay film brick and preparation method thereof |
| CN110759745A (en) * | 2018-07-27 | 2020-02-07 | 广东清大同科环保技术有限公司 | High-strength cavity ceramsite and preparation method thereof |
| CN110759738A (en) * | 2018-07-27 | 2020-02-07 | 广东清大同科环保技术有限公司 | Steel slag ceramsite and preparation method thereof |
| CN112279623A (en) * | 2016-01-11 | 2021-01-29 | 曹树梁 | Method and production line for manufacturing ceramsite and ceramic particles from various hazardous wastes |
| CN112500125A (en) * | 2020-11-19 | 2021-03-16 | 佛山欧神诺陶瓷有限公司 | Ceramic rock plate with super-flat surface and preparation method and application thereof |
| CN112877054A (en) * | 2021-01-12 | 2021-06-01 | 中国石油天然气股份有限公司 | Self-suspending proppant and preparation method thereof |
| CN112876169A (en) * | 2021-02-24 | 2021-06-01 | 辽宁壹立方砂业有限责任公司 | Slurry coating composition, slurry coating aggregate and preparation method thereof |
| CN112876118A (en) * | 2021-03-22 | 2021-06-01 | 郑州市新郑梅久实业有限公司 | Quartz sand for fracturing and preparation method thereof |
| CN113045914A (en) * | 2021-05-13 | 2021-06-29 | 长沙蓝思新材料有限公司 | Air purification coating and preparation method and application thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0672037B2 (en) * | 1987-12-26 | 1994-09-14 | 株式会社神戸製鋼所 | Manufacturing method of artificial lightweight aggregate |
| CN101898058B (en) * | 2010-07-22 | 2012-02-22 | 淮阴工学院 | Preparation method of low-temperature sintered attapulgite-based direct drinking water filter material |
| GB201122431D0 (en) * | 2011-12-24 | 2012-02-08 | Evans Michael | Aggregates |
| CN106699100A (en) * | 2016-12-23 | 2017-05-24 | 安徽元通采暖科技有限公司 | Water-based refractory heat-preservation coating and preparation process thereof |
| CN211893160U (en) * | 2020-01-19 | 2020-11-10 | 重庆杰运汽车租赁有限责任公司 | Top swinging water spraying mechanism for car washing equipment |
| CN112028582B (en) * | 2020-08-28 | 2021-08-24 | 中国科学院武汉岩土力学研究所 | Vertical anti-seepage isolation ecological barrier material for polluted site and preparation method thereof |
| CN112974724A (en) * | 2021-02-10 | 2021-06-18 | 北京冬曦既驾科技咨询有限公司 | High-rheological-property refractory coating for aluminum alloy lost foam casting and preparation method thereof |
-
2021
- 2021-11-16 CN CN202111354938.XA patent/CN114180992B/en active Active
- 2021-12-01 AU AU2021290246A patent/AU2021290246B2/en active Active
- 2021-12-01 WO PCT/CN2021/134878 patent/WO2023087402A1/en unknown
Patent Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1075788A (en) * | 1963-09-16 | 1967-07-12 | Mead Corp | Coating process and product |
| GB1600484A (en) * | 1978-01-24 | 1981-10-14 | British Ind Sand Ltd | Foundry moulding |
| JP2000051994A (en) * | 1998-08-17 | 2000-02-22 | Kao Corp | Coating agent composition for casting |
| WO2002033019A1 (en) * | 2000-10-16 | 2002-04-25 | 3M Innovative Properties Company | Method of making ceramic aggregate particles |
| JP2002346691A (en) * | 2001-05-22 | 2002-12-03 | Lignyte Co Ltd | Method of manufacturing resin coated sand for shell mold and resin coated sand for shell mold |
| EP2013152A1 (en) * | 2006-04-28 | 2009-01-14 | Ceragreen Co., Ltd. | Method for manufacturing an artificial lightweight aggregate containing bottom ash |
| CN101245453A (en) * | 2007-12-27 | 2008-08-20 | 北京石油化工学院 | Equipment for producing thin film with whirl coating atomizing thermal decomposition |
| JP2010131665A (en) * | 2008-12-08 | 2010-06-17 | Okazaki Kosanbutsu Kk | Facing material for casting |
| CN103172380A (en) * | 2013-02-04 | 2013-06-26 | 常熟华融太阳能新型材料科技有限公司 | Spray granulation method of non-oxide ceramic powder |
| CN103553675A (en) * | 2013-10-28 | 2014-02-05 | 程巧娜 | Spraying material with good abrasive resistance |
| CN103755183A (en) * | 2013-12-30 | 2014-04-30 | 北京新航建材集团有限公司 | Surface coated ceramic particle for lightweight aggregate concrete and preparation method thereof |
| CN204298265U (en) * | 2013-12-30 | 2015-04-29 | 北京新航建材集团有限公司 | A kind of lightweight aggregate concrete surface coating haydite |
| CN104710139A (en) * | 2014-12-12 | 2015-06-17 | 安徽恒源煤电股份有限公司 | Slip-casting material of clay cement mortar |
| CN104591616A (en) * | 2014-12-23 | 2015-05-06 | 铜陵市标杆建筑节能科技有限公司 | Architectural high-workability emulsified asphalt thermal-insulation mortar |
| CN112279623A (en) * | 2016-01-11 | 2021-01-29 | 曹树梁 | Method and production line for manufacturing ceramsite and ceramic particles from various hazardous wastes |
| CN110759745A (en) * | 2018-07-27 | 2020-02-07 | 广东清大同科环保技术有限公司 | High-strength cavity ceramsite and preparation method thereof |
| CN110759738A (en) * | 2018-07-27 | 2020-02-07 | 广东清大同科环保技术有限公司 | Steel slag ceramsite and preparation method thereof |
| CN109336556A (en) * | 2018-11-18 | 2019-02-15 | 景德镇陶瓷大学 | A kind of enhancing of architectural pottery prestressing force coating paste and preparation method thereof and architectural pottery product |
| CN109650866A (en) * | 2019-01-17 | 2019-04-19 | 杭州权峰环保建材有限公司 | A kind of overlay film brick and preparation method thereof |
| CN112500125A (en) * | 2020-11-19 | 2021-03-16 | 佛山欧神诺陶瓷有限公司 | Ceramic rock plate with super-flat surface and preparation method and application thereof |
| CN112877054A (en) * | 2021-01-12 | 2021-06-01 | 中国石油天然气股份有限公司 | Self-suspending proppant and preparation method thereof |
| CN112876169A (en) * | 2021-02-24 | 2021-06-01 | 辽宁壹立方砂业有限责任公司 | Slurry coating composition, slurry coating aggregate and preparation method thereof |
| CN112876118A (en) * | 2021-03-22 | 2021-06-01 | 郑州市新郑梅久实业有限公司 | Quartz sand for fracturing and preparation method thereof |
| CN113045914A (en) * | 2021-05-13 | 2021-06-29 | 长沙蓝思新材料有限公司 | Air purification coating and preparation method and application thereof |
Non-Patent Citations (3)
| Title |
|---|
| 唐瑛等: "HG/T4343―2012水性多彩建筑涂料主要内容及解析", 《涂料技术与文摘》 * |
| 李慎芳等: "利用塑性坯料化浆制备注浆料", 《陶瓷》 * |
| 李梅: "凹凸棒土在涂料中的应用", 《上海涂料》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2021290246B2 (en) | 2023-11-02 |
| CN114180992B (en) | 2022-10-11 |
| AU2021290246A1 (en) | 2023-06-01 |
| WO2023087402A1 (en) | 2023-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107459364B (en) | High-strength ceramsite prepared by using yellow river sludge and sludge as binder and preparation method thereof | |
| CN101169215B (en) | Nano coating protective pipe and its coating manufacture process | |
| CN101045617B (en) | Magnesium waste slag building brick and producing method | |
| CN110627446B (en) | Economical and environment-friendly tunnel shotcrete and construction process | |
| CN109225063A (en) | A kind of flyash wet granulation device and its prilling process | |
| CN101746768A (en) | Coal-series hard kaolinite stripping method capable of keeping crystal form of kaolinite | |
| CN110918179A (en) | Building grit safety breaker | |
| CN108046781B (en) | Preparation process of high-strength ceramsite sand | |
| CN114180992B (en) | Powder falling prevention film covering agent for vitrified aggregate biscuit, film covering system and film covering method | |
| CN110304897A (en) | A kind of Imitation Rock Porcelain Tiles and preparation method thereof | |
| CN100414116C (en) | Composite impeller of metal-base ceramic surface pump and production thereof | |
| CN111087225B (en) | Sintered brick and preparation method thereof | |
| CN105130475B (en) | A kind of low-temperature setting spray paint and its construction method | |
| CN105777084A (en) | Ceramic milling ball for cement ball mill and preparation method of ceramic milling ball | |
| CN208944044U (en) | A kind of flyash wet granulation device | |
| CN113563867B (en) | High-strength magnesium aluminum silicate proppant and preparation method thereof | |
| CN110105713A (en) | A kind of energy-saving and environment-friendly high strength epoxy resin concrete material | |
| CN208340869U (en) | A kind of shaft production is with can be with mobile crushing device | |
| CN207738665U (en) | A kind of system that metallurgical slag prepares fired brick | |
| CN109176894A (en) | Gypsum light weight sand mortar integration production-transport-construction method | |
| CN104926225A (en) | Formula of sulfate-corrosion-resisting concrete curb and production method of curb | |
| CN201002072Y (en) | Rolling-sieve for producing ceramic | |
| CN219024485U (en) | Self-infiltration type material pulverizer | |
| CN207493525U (en) | A kind of sintering mixer dedusting sludge slurry heating unit | |
| CN110331407A (en) | A kind of preparation method of acid and alkali-resistance adherence board with enamel panel layer |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |