CN112815626A - Method for producing ceramic and special equipment thereof - Google Patents

Method for producing ceramic and special equipment thereof Download PDF

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Publication number
CN112815626A
CN112815626A CN202110000367.3A CN202110000367A CN112815626A CN 112815626 A CN112815626 A CN 112815626A CN 202110000367 A CN202110000367 A CN 202110000367A CN 112815626 A CN112815626 A CN 112815626A
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temperature
area
drying
roller way
product
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CN202110000367.3A
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蔡宗新
韦保立
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
    • F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
    • F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
    • F26B15/122—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of material being carried by transversely moving rollers or rods which may rotate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/06—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated
    • F27B9/062—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated electrically heated
    • F27B9/063—Resistor heating, e.g. with resistors also emitting IR rays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/12—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
    • F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor
    • F27B9/2407—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor the conveyor being constituted by rollers (roller hearth furnace)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B9/36—Arrangements of heating devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004—Systems for reclaiming waste heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2210/00—Drying processes and machines for solid objects characterised by the specific requirements of the drying good
    • F26B2210/02—Ceramic articles or ceramic semi-finished articles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/12—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
    • F27B2009/124—Cooling
    • F27B2009/126—Cooling involving the circulation of cooling gases, e.g. air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
    • F27M2001/00—Composition, conformation or state of the charge
    • F27M2001/15—Composition, conformation or state of the charge characterised by the form of the articles
    • F27M2001/1504—Ceramic articles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Tunnel Furnaces (AREA)

Abstract

The invention discloses a method for producing ceramics and special equipment thereof, wherein the whole roller way is U-shaped, two side edges of the U-shaped are roller way kilns, the short edge of the U-shaped is an open roller way, one side of the two long edges is a drying line which is a dehumidifying area and a drying area in sequence, and the other side is a high-temperature firing line which is a preheating area, a high-temperature calcining area and a cooling area in sequence.

Description

Method for producing ceramic and special equipment thereof
Technical Field
The invention relates to the technical field of ceramic production, in particular to a method for producing ceramic and special equipment thereof.
Background
The ceramic industry is a high energy consumption industry, the kiln is the most critical thermal equipment of the ceramic enterprise and is also the most energy-consuming equipment, and in order to reduce energy consumption, the selection and design of an advanced energy-saving kiln are crucial, but most of the existing kilns adopt a fuel combustion mode to manufacture ceramic, pollutants are easily generated in the production process, and certain influence is caused on the environment; therefore, it is necessary to design a method for producing ceramics and a dedicated apparatus therefor.
Disclosure of Invention
Aiming at the technical defects, the invention provides a ceramic production method and special equipment thereof, wherein the ceramic production method adopts a pollution-free processing means to produce ceramic, adopts an electric heating rod to heat in the production process, has no toxic and harmful smoke emission and no environmental pollution, adopts a heat energy recycling mode to dry ceramic green bodies, improves the use efficiency of heat energy, and has the advantages of low cost of produced products, environmental protection and excellent quality of the products, high yield and the like.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the invention discloses a method for producing ceramics, which comprises the following steps:
1) the whole roller way is U-shaped, two side edges of the U-shaped roller way are roller way kilns, the short edge of the U-shaped roller way is an open roller way, one side of the two long edges is a drying line which sequentially comprises a moisture extraction area and a drying area, and the other side is a high-temperature firing line which sequentially comprises a preheating area, a high-temperature calcining area and a cooling area;
the green compact enters a dehumidifying area of a kiln drying line along with a roller way, air in the dehumidifying area is heated by an electric heating rod, the temperature of the wet green compact is raised to about 80 ℃ from room temperature after the hot air is dried, the wet green compact is sent to the drying area, the hot air transmitted from a preheating area in the drying area dries the green compact into a semi-finished product with the dryness of 95 percent, the temperature is raised to about 95 ℃ from about 80 ℃, the green compact is discharged from the drying line kiln, the temperature is reduced to about 65 ℃ through an open roller way, the green compact enters a preheating area of a high-temperature firing line kiln, a first heating chamber is arranged below the roller way of the preheating area, a high-temperature heat source generated by the first heating chamber preheats the semi-finished product, the temperature is raised to about 750 ℃ from about 65 ℃, the semi-finished product enters a high-temperature calcining area, a second heating chamber is arranged below the roller way of the high-temperature calcining area, the high-temperature heat source generated by the second heating chamber is used for heating the semi, calcining and forming the semi-finished product to form a product, wherein the temperature of the product is about 1100 ℃, the high-temperature product is conveyed to a cooling area along with a roller way, the product is cooled by air in the cooling area, the temperature of hot gas at about 1100 ℃ is reduced to about 660 ℃, the temperature of the product is reduced from about 660 ℃ to about 80 ℃, and the cooled product is conveyed out of a high-temperature firing line kiln by the roller way;
2) the method comprises the steps of using an electric heating rod as a heat source to generate a high-temperature heat source at about 1200 ℃, transmitting the high-temperature heat source to a semi-finished product in a high-temperature calcination area to enable the temperature of the semi-finished product to reach about 1200 ℃ of ceramic sintering temperature, calcining the semi-finished product in the high-temperature calcination area into a product, enabling the high-temperature product to enter a cooling area along with a roller way, pumping hot air in the cooling area above the roller way of the cooling area through an exhaust fan, reducing the temperature of the cooled high-temperature product from 660 ℃ to about 80 ℃, pumping the hot air for recovering high-temperature waste heat above the product through a fan, further heating the hot air in the air duct through a heating device, transmitting the heated hot air to a drying area of a drying line to dry the green blank, enabling the temperature of the drying area to rise from about 80 ℃ to about 95 ℃, and drying the green blank transmitted from; pumping the dried waste gas containing water out and emptying by a dehumidifier through a dehumidifying pipeline; heating air in the dehumidifying area by an electric heating rod in the dehumidifying area, dehumidifying and drying the green bodies by utilizing the waste heat of the hot air, raising the temperature of the green bodies in the dehumidifying area from room temperature to about 80 ℃, and exhausting waste gas containing moisture after dehumidifying and drying the green bodies through a dehumidifying pipeline by using a dehumidifier.
The invention also discloses special equipment for the ceramic production method, which comprises electric heating rods, a temperature detector, an air channel, a heating device, a dehumidifier, an exhaust fan and a fan, wherein the top surface of the dehumidification area, the bottom of the first heating chamber and the bottom of the second heating chamber are respectively provided with a plurality of electric heating rods, the temperature detector is respectively arranged at the tops of the dehumidification area, the drying area, the preheating area and the high-temperature calcination area, the air channel is connected with the cooling area and the drying area, the heating device is arranged on the air channel, the exhaust fan is arranged on the air channel port at the cooling area, the fan is arranged on the air channel port at the drying area, the dehumidifier is respectively arranged below the dehumidification area and the drying area and is connected with dehumidification pipelines at the dehumidification area and the drying area, two sides of the top surface of the high-temperature calcination area are provided with support columns, and air cylinders are arranged on the support columns, the driving end of the air cylinder penetrates through the top surface of the supporting column from top to bottom and is connected with a partition plate, and the partition plate is inserted into two sides of the high-temperature calcining area.
The invention has the beneficial effects that:
the ceramic is produced by adopting a pollution-free processing means, the electric heating rod is adopted for heating in the production process, toxic and harmful smoke emission is avoided, the environment is not polluted, the ceramic green body is dried by adopting a heat energy recycling mode, the use efficiency of heat energy is improved, and the produced product has the advantages of low cost, environmental protection, high quality, high yield and the like.
Drawings
Fig. 1 is a schematic structural diagram of the dedicated apparatus of the present invention.
Fig. 2 is a schematic structural view of the moisture extraction section.
Fig. 3 is a schematic view of the structure of the drying zone.
FIG. 4 is a schematic diagram of the preheating zone configuration.
FIG. 5 is a schematic diagram of the structure of the high-temperature calcination zone.
Fig. 6 is a schematic view of the structure of the cooling zone.
In the figure, the roller kiln 1, an open roller table 2, a dehumidifying area 3, a drying area 4, a preheating area 5, a high-temperature calcining area 6, a cooling area 7, an electric heating rod 8, a temperature detector 9, an air duct 10, a heating device 11, a dehumidifier 12, an exhaust fan 13, a fan 14, an air cylinder 15, a partition board 16, a dehumidifying pipeline 17, a first heating chamber 18, a second heating chamber 19 and a support column 20.
Detailed Description
As shown in the combination of figures 1-6, the invention discloses a method for producing ceramics, which comprises the following steps:
1) the whole roller way is U-shaped, two side edges of the U-shaped roller way are a roller way kiln 1, a short edge of the U-shaped roller way is an open roller way 2, one side of two long edges is a drying line which sequentially comprises a dehumidifying area 3 and a drying area 4, and the other side is a high-temperature firing line which sequentially comprises a preheating area 5, a high-temperature calcining area 6 and a cooling area 7;
the green compact enters a dehumidifying area 3 of a kiln drying line along with a roller way, the air in the dehumidifying area 3 is heated by an electric heating rod 8 in the dehumidifying area 3, the temperature of the heated air after being dehumidified rises from room temperature to about 80 ℃ and is sent to a drying area 4, the hot air transmitted from a preheating area 5 in the drying area 4 dries the green compact into a semi-finished product with the dryness of 95 percent, the temperature rises from about 80 ℃ to about 95 ℃, the green compact is discharged from the drying line kiln, the temperature is reduced to about 65 ℃ through an open roller way 2 and enters a preheating area 5 of a high-temperature firing line kiln, a first heating chamber 18 is arranged below the roller way of the preheating area 5, a high-temperature heat source generated by the first heating chamber 18 preheats the semi-finished product to ensure that the temperature of the semi-finished product rises from about 65 ℃ to about 750 ℃ and then enters a high-temperature calcining area 6, a second heating chamber 19 is arranged below the roller way of the high-temperature calcining area 6, the high-temperature heat source generated by the second heating chamber 19 is transmitted to heat the semi-finished product, calcining and forming the semi-finished product to form a product, wherein the temperature of the product is about 1100 ℃, the high-temperature product is conveyed to a cooling area 7 along with a roller way, the product is cooled by air in the cooling area 7, the temperature of hot gas at about 1100 ℃ is reduced to about 660 ℃, the temperature of the product is reduced from about 660 ℃ to about 80 ℃, and the cooled product is conveyed out of a high-temperature firing line kiln by the roller way;
2) an electric heating rod 8 is used as a heat source to generate a high-temperature heat source at about 1200 ℃, the high-temperature heat source is transmitted to a semi-finished product of a high-temperature calcining zone 6 to enable the temperature of the semi-finished product to reach about 1200 ℃ of ceramic sintering temperature, the semi-finished product of the high-temperature calcining zone 6 is calcined into a product, the high-temperature product enters a cooling zone 7 along with a roller way, hot air in the cooling zone 7 is pumped out above the roller way of the cooling zone 7 through an exhaust fan 13, the temperature of the cooled high-temperature product is reduced from 660 ℃ to about 80 ℃, a fan 14 pumps the hot air for recovering high-temperature waste heat above the product through an air duct 10, the hot air in the air duct 10 is further heated through a heating device 11, the heated hot air is transmitted to a drying zone 4 of a drying line to dry the green body, the temperature of the drying zone 4 is increased from about 80 ℃ to about 95 ℃, and the green body sent by; the moisture-containing waste gas after drying is pumped out and exhausted by a dehumidifier 12 through a dehumidifying pipeline 17; the air in the dehumidifying area 3 is heated by an electric heating rod 8 in the dehumidifying area 3, the green bodies are dehumidified and dried by using the waste heat of the hot air, the temperature of the green bodies in the dehumidifying area 3 is increased to about 80 ℃ from room temperature, and the moisture-containing waste gas after the dehumidifying and drying is exhausted and exhausted to the air by a dehumidifier 12 through a dehumidifying pipeline 17.
The invention also discloses special equipment for the method for producing the ceramics, which comprises electric heating rods 8, a temperature detector 9, an air duct 10, a heating device 11, a dehumidifier 12, an exhaust fan 13 and a fan 14, wherein the top surface of the dehumidifying area 3, the bottom of the first heating chamber 18 and the bottom of the second heating chamber 19 are respectively provided with a plurality of electric heating rods 8, the temperature detector 9 is respectively arranged at the tops of the dehumidifying area 3, the drying area 4, the preheating area 5 and the high-temperature calcining area 6, the air duct 10 is connected with the cooling area 7 and the drying area 4, the heating device 11 is arranged on the air duct 10, the exhaust fan 13 is arranged on the port of the air duct 10 at the cooling area 7, the fan 14 is arranged on the port of the air duct 10 at the drying area 4, the dehumidifier 12 is respectively arranged below roller ways of the dehumidifying area 3 and the drying area 4 and is connected with dehumidifying pipelines 17 at the dehumidifying area 3 and the drying area 4, support columns 20 are arranged on two sides of the top surface of the high-temperature calcining area 6, an air cylinder 15 is arranged on each support column 20, the driving end of each air cylinder 15 penetrates through the top surface of each support column from top to bottom and is connected with a partition plate 16, and the partition plates 16 are inserted into two sides of the high-temperature calcining area 6.
The invention adopts a pollution-free processing means to produce ceramics, adopts the electric heating rod 8 to heat in the production process, has no toxic and harmful smoke emission and no environment pollution, adopts a heat energy recycling mode to dry the ceramic green bodies, improves the use efficiency of heat energy, and can detect and display the temperatures in the dehumidifying zone 3, the drying zone 4, the preheating zone 5 and the high-temperature calcining zone 6 by the temperature detector, thereby facilitating operators to monitor the temperatures in the dehumidifying zone 3, the drying zone 4, the preheating zone 5 and the high-temperature calcining zone 6, and drives the partition board 16 to move downwards by the cylinder 15 to seal two ends of the high-temperature calcining zone 6, thereby reducing the heat energy loss in the high-temperature calcining zone 6, and the produced product has the advantages of low cost, environmental protection, excellent quality, high yield and the like.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (2)

1. A method of producing a ceramic, characterized by:
1) the whole roller way is U-shaped, two side edges of the U-shaped roller way are roller way kilns, the short edge of the U-shaped roller way is an open roller way, one side of the two long edges is a drying line which sequentially comprises a moisture extraction area and a drying area, and the other side is a high-temperature firing line which sequentially comprises a preheating area, a high-temperature calcining area and a cooling area;
the green compact enters a dehumidifying area of a kiln drying line along with a roller way, air in the dehumidifying area is heated by an electric heating rod, the temperature of the wet green compact is raised to about 80 ℃ from room temperature after the hot air is dried, the wet green compact is sent to the drying area, the hot air transmitted from a preheating area in the drying area dries the green compact into a semi-finished product with the dryness of 95 percent, the temperature is raised to about 95 ℃ from about 80 ℃, the green compact is discharged from the drying line kiln, the temperature is reduced to about 65 ℃ through an open roller way, the green compact enters a preheating area of a high-temperature firing line kiln, a first heating chamber is arranged below the roller way of the preheating area, a high-temperature heat source generated by the first heating chamber preheats the semi-finished product, the temperature is raised to about 750 ℃ from about 65 ℃, the semi-finished product enters a high-temperature calcining area, a second heating chamber is arranged below the roller way of the high-temperature calcining area, the high-temperature heat source generated by the second heating chamber is used for heating the semi, calcining and forming the semi-finished product to form a product, wherein the temperature of the product is about 1100 ℃, the high-temperature product is conveyed to a cooling area along with a roller way, the product is cooled by air in the cooling area, the temperature of hot gas at about 1100 ℃ is reduced to about 660 ℃, the temperature of the product is reduced from about 660 ℃ to about 80 ℃, and the cooled product is conveyed out of a high-temperature firing line kiln by the roller way;
2) the method comprises the steps of using an electric heating rod as a heat source to generate a high-temperature heat source at about 1200 ℃, transmitting the high-temperature heat source to a semi-finished product in a high-temperature calcination area to enable the temperature of the semi-finished product to reach about 1200 ℃ of ceramic sintering temperature, calcining the semi-finished product in the high-temperature calcination area into a product, enabling the high-temperature product to enter a cooling area along with a roller way, pumping hot air in the cooling area above the roller way of the cooling area through an exhaust fan, reducing the temperature of the cooled high-temperature product from 660 ℃ to about 80 ℃, pumping the hot air for recovering high-temperature waste heat above the product through a fan, further heating the hot air in the air duct through a heating device, transmitting the heated hot air to a drying area of a drying line to dry the green blank, enabling the temperature of the drying area to rise from about 80 ℃ to about 95 ℃, and drying the green blank transmitted from; pumping the dried waste gas containing water out and emptying by a dehumidifier through a dehumidifying pipeline; heating air in the dehumidifying area by an electric heating rod in the dehumidifying area, dehumidifying and drying the green bodies by utilizing the waste heat of the hot air, raising the temperature of the green bodies in the dehumidifying area from room temperature to about 80 ℃, and exhausting waste gas containing moisture after dehumidifying and drying the green bodies through a dehumidifying pipeline by using a dehumidifier.
2. The special equipment for the method of manufacturing ceramics according to claim 1, wherein the special equipment comprises electric bars, temperature detectors, air ducts, heating devices, moisture extractors, exhaust fans and fans, wherein the top surface of the moisture extraction zone, the bottom of the first heating chamber and the bottom of the second heating chamber are provided with a plurality of electric bars, the temperature detectors are respectively arranged at the tops of the moisture extraction zone, the drying zone, the preheating zone and the high-temperature calcination zone, the air ducts are connected with the cooling zone and the drying zone, the heating devices are arranged on the air ducts, the exhaust fans are arranged on the air duct ports at the cooling zone, the fans are arranged on the air duct ports at the drying zone, the moisture extractors are respectively arranged below the roller ways of the moisture extraction zone and the drying zone and are connected with the moisture extraction ducts at the moisture extraction zone and the drying zone, the top surface of the high-temperature calcination zone is provided with support columns on both sides, the support column is provided with an air cylinder, the driving end of the air cylinder penetrates through the top surface of the support column from top to bottom and is connected with a partition plate, and the partition plate is inserted into two sides of the high-temperature calcination area.
CN202110000367.3A 2021-01-02 2021-01-02 Method for producing ceramic and special equipment thereof Pending CN112815626A (en)

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CN202110000367.3A CN112815626A (en) 2021-01-02 2021-01-02 Method for producing ceramic and special equipment thereof

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CN202110000367.3A CN112815626A (en) 2021-01-02 2021-01-02 Method for producing ceramic and special equipment thereof

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CN112815626A true CN112815626A (en) 2021-05-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115371360A (en) * 2022-08-25 2022-11-22 广东暖丰电热科技有限公司 Drying production line and drying method of ceramic heating tube

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CN101289322A (en) * 2008-06-06 2008-10-22 陈信旺 Process for producing ceramic and special equipment thereof
CN102748926A (en) * 2012-07-06 2012-10-24 广东中窑窑业股份有限公司 Building ceramic single-layer rapid dryer equipment
CN204830907U (en) * 2015-05-31 2015-12-02 江门市蓬江区豫源科技有限公司 Energy -conserving kiln of pottery calcination
CN105258520A (en) * 2015-11-14 2016-01-20 卢爱玲 Efficient heat energy use structure of drying region on ceramic kiln
CN208795012U (en) * 2018-09-14 2019-04-26 广东中鹏热能科技有限公司 Kiln waste heat utilization system

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Publication number Priority date Publication date Assignee Title
CN101289322A (en) * 2008-06-06 2008-10-22 陈信旺 Process for producing ceramic and special equipment thereof
CN102748926A (en) * 2012-07-06 2012-10-24 广东中窑窑业股份有限公司 Building ceramic single-layer rapid dryer equipment
CN204830907U (en) * 2015-05-31 2015-12-02 江门市蓬江区豫源科技有限公司 Energy -conserving kiln of pottery calcination
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115371360A (en) * 2022-08-25 2022-11-22 广东暖丰电热科技有限公司 Drying production line and drying method of ceramic heating tube

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