CN116105495A - Energy-saving foaming ceramic plate tunnel kiln production line - Google Patents

Energy-saving foaming ceramic plate tunnel kiln production line Download PDF

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Publication number
CN116105495A
CN116105495A CN202211628709.7A CN202211628709A CN116105495A CN 116105495 A CN116105495 A CN 116105495A CN 202211628709 A CN202211628709 A CN 202211628709A CN 116105495 A CN116105495 A CN 116105495A
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CN
China
Prior art keywords
kiln
combustion
cooling
energy
production line
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Pending
Application number
CN202211628709.7A
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Chinese (zh)
Inventor
胡栋
胡斯友
高艳春
范敬华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Huayuan Kiln Co ltd
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Hubei Huayuan Kiln Co ltd
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Filing date
Publication date
Application filed by Hubei Huayuan Kiln Co ltd filed Critical Hubei Huayuan Kiln Co ltd
Priority to CN202211628709.7A priority Critical patent/CN116105495A/en
Publication of CN116105495A publication Critical patent/CN116105495A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F27B9/26—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 on or in trucks, sleds, or containers
    • F27B9/262—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 on or in trucks, sleds, or containers on or in trucks
    • 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
    • F27B9/32—Casings
    • F27B9/34—Arrangements of linings
    • 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
    • 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
    • F27B9/40—Arrangements of controlling or monitoring devices
    • 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
    • F27B2009/122—Preheating
    • 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
    • F27B2009/128—Cooling involving the circulation of cooling gases, e.g. air the gases being further utilised as oxidants in the burners
    • 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
    • F27M2001/1508—Articles of relatively small dimensions
    • F27M2001/1513—Plates
    • 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
    • F27M2003/00—Type of treatment of the charge
    • F27M2003/04—Sintering
    • 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)
  • Tunnel Furnaces (AREA)

Abstract

The invention discloses an energy-saving foaming ceramic plate tunnel kiln production line which comprises a furnace body, a smoke discharging system, a combustion supporting system, a cooling system, a combustion system, kiln trucks, kiln truck transfer systems, a fan system, a pipeline system and a control system, wherein the combustion supporting air system utilizes hot air to enter burners for supporting combustion, the combustion system adopts medium-pressure low-power burners to be distributed uniformly and densely in multiple layers, the cooling system utilizes waste heat to enable air flow of cooling products to circulate so as to slowly cool the products, and the control system controls the gas quantity, the air quantity, the kiln pressure and the kiln trucks to operate.

Description

Energy-saving foaming ceramic plate tunnel kiln production line
Technical Field
The invention relates to the technical field of foaming ceramic production equipment, in particular to an energy-saving foaming ceramic plate tunnel kiln production line.
Background
Along with the improvement of the living standard of people, the special performance advantages of fire resistance, sound insulation, decoration effect and the like of the high-temperature foaming ceramic plate lead the high-temperature foaming ceramic plate to have wide application prospect in the building material industry.
The foamed ceramic is prepared by taking clay tailings, ceramic fragments, river (lake) sludge, admixture and the like as main raw materials, roasting at a high temperature of about 1100 ℃, and performing spontaneous combustion, melting and foaming to form a uniform closed-pore ceramic material with high porosity, wherein an advanced foamed ceramic plate tunnel kiln is the most critical accompanying and firing process equipment of a foamed ceramic production line.
The foamed ceramic has excellent physical performance and wide application prospect, and the manufacturing process can consume a large amount of various industrial solid wastes and tailings, which are environment-friendly materials, so that the foamed ceramic production line is built in succession in various provinces of China after short years of technical development and market cultivation.
The existing foamed ceramic plate tunnel kiln production line generally has the defects of substandard product foaming thickness, insufficient foaming appearance, uneven foaming diameter, cracks and the like, the finished product is severely crushed during the final process, namely cutting and forming, the quality and the yield of the product are affected, and meanwhile, the problem of high energy consumption caused by insufficient and reasonable utilization of energy sources (energy) is also solved, so that the qualification rate of the foamed ceramic products is improved, and the problems of energy conservation, emission reduction and energy utilization rate improvement are solved.
Disclosure of Invention
The invention aims to provide an energy-saving foamed ceramic tunnel kiln production line, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an energy-conserving foaming ceramic plate tunnel kiln production line, includes furnace body, exhaust system, combustion-supporting system, cooling system, combustion system, kiln car and kiln car transfer system, fan system, pipe system, control system, the furnace body is established exhaust system, is established combustion system, cooling system are established to the cooling zone to the preheating zone in proper order behind to in the past, combustion-supporting system gathers the hot-blast that the cooling zone anterior segment replaced by the heat extraction tuber pipe through combustion-supporting fan, and the burning nozzle is driven into to carry out combustion-supporting, the tunnel kiln combustion system adopts the even intensive arrangement of middling pressure miniwatt nozzle multilayer, and subregion grouping control.
As a further scheme of the invention: the kiln body and the kiln car frame are made of high-quality steel, the kiln wall masonry is made of light mullite refractory bricks, and the kiln top is made of high-alumina fiber cotton block mixed masonry.
As a further scheme of the invention: the cooling system redistributes the waste heat extracted from the kiln into the kiln through the cooling fan, so that the air flow in the kiln is continuously circulated to slowly cool the product.
As a further scheme of the invention: the pipeline system is provided with a valve, a flashboard and control components, and the kiln car transfer system are provided with the control components, and are accurately positioned, operated and interlocked through the control system.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the brick cotton mixed masonry structure is adopted, the energy waste caused by heat accumulation of the masonry is reduced while the firing temperature is ensured, the combustion supporting system is used for feeding hot air into the burner for supporting combustion, the gas consumption is greatly reduced, the waste heat in the kiln is redistributed through the cooling system, hot air flows are circulated to uniformly and slowly cool foamed ceramic products, the internal stress generated by improper cooling in the products is eliminated, the product qualification rate is ensured, meanwhile, the heat is effectively recycled, the middle-pressure low-power burner is adopted by the combustion system, the multiple layers are densely and uniformly distributed and controlled in a partition mode, the upper, middle, lower, left and right sides in the kiln are independently controlled and adjusted, the firing temperature uniformity in the kiln is ensured, the rejection rate is reduced, the opening of the valves is controlled through the control system to adjust the gas quantity and the air quantity to meet the firing system requirement, the intelligent control of the kiln temperature, the pressure and the atmosphere is realized, the close matching of the machine, the electric and the liquid is tightly matched, the monitoring and interlocking functions of the control system are realized, the accurate positioning, the running and interlocking in the kiln car running are realized, the energy conservation is realized, and the product quality is improved.
Drawings
FIG. 1 is a schematic diagram of an energy-saving foamed ceramic plate tunnel kiln production line.
Fig. 2 is a schematic diagram of cooling air waste heat circulation of an energy-saving foaming ceramic plate tunnel kiln production line.
As shown in the figure: 1. a furnace body; 2. a smoke exhaust system; 3. a combustion supporting system; 4. a cooling system; 5. a combustion system; 6. a heat extraction air pipe; 7. kiln car and kiln car transfer system; 8. a fan system; 9. a piping system; 10. and a control system.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, in the embodiment of the invention, an energy-saving foamed ceramic plate tunnel kiln production line comprises a furnace body 1, a smoke exhaust system 2, a combustion supporting system 3, a cooling system 4, a combustion system 5, a kiln car and kiln car transfer system 7, a fan system 8, a pipeline system 9 and a control system 10, wherein the smoke exhaust system 2, the combustion supporting system 5 and the cooling system 4 are arranged in a preheating zone and a burning zone of the furnace body 1 in sequence from front to back, the combustion supporting system 3 collects hot air replaced by the front section of the cooling zone through a combustion supporting fan 8, and the hot air is driven into burners for supporting combustion, and the tunnel kiln combustion system 5 adopts multi-layer uniform dense arrangement of medium-pressure low-power burners and is controlled in a partition group mode.
The frames of the furnace body 1 and the kiln car 7 are made of high-quality steel, the kiln wall masonry is made of light mullite refractory bricks, and the kiln top is made of high-alumina fiber cotton block mixed masonry.
The cooling system 4 redistributes the waste heat extracted from the kiln into the kiln through the cooling fan 8, so that the hot air flow is continuously circulated to slowly cool the product.
The pipeline system 9 is provided with a valve, a flashboard and control components, the kiln car and kiln car transfer system 7 is provided with the control components, and the automatic accurate positioning, operation and interlocking of the kiln car are realized through the control system 10.
The working principle of the invention is as follows:
the furnace body 1 and the kiln car 7 adopt a mixed masonry structure of light mullite refractory materials and high-alumina fiber cotton blocks, the heat-extracting air pipe 6 of the combustion-supporting system 3 collects hot air displaced at the front section of the cooling system 4 to enter a burner for combustion supporting, the cooling system 4 cools the fan 8 to enable air flow in the kiln to enter and exit circularly and reciprocally, the combustion system 5 adopts medium-pressure low-power burners to be densely distributed in multiple layers and controlled in a partition mode, the pipeline system 9 is provided with intelligent valves and flashboards, the opening of the valves is controlled by the control system 10 to adjust the gas quantity and the air quantity, the kiln car 7 operates and is tightly matched with machines, electricity and liquid, the brick cotton is mixed for masonry, the energy waste caused by heat accumulation of the masonry is reduced while the firing temperature is ensured, the combustion-supporting system 3 uses hot air to enter the burner for combustion supporting, the consumption of fuel gas is greatly reduced, the waste heat in the kiln is redistributed through the cooling system 4, the hot air flows are circulated to cool foamed ceramic products uniformly and slowly, internal stress generated by improper cooling inside the products is eliminated, the qualification rate of the products is ensured, meanwhile, the heat is effectively recycled, the middle-pressure low-power burners are densely and uniformly distributed in multiple layers and are controlled in a partitioning way through the combustion system 5, the upper, middle, lower and left and right parts in a kiln are respectively and controllably adjusted, the uniformity of the firing temperature in the kiln is ensured, the rejection rate is reduced, intelligent valves and flashboard are arranged on the pipeline system 9, the opening degree of the valves is controlled by the control system 10 to adjust the gas quantity and the air quantity so as to meet the requirements of firing schedule, the intelligent control of the temperature, the pressure and the atmosphere of the kiln is realized, the monitoring and interlocking functions of the control system 10 are realized through the tight matching of a machine, electricity and a liquid, the accurate positioning, the running and the interlocking in the running of the kiln car 7 are realized, energy saving and consumption reduction and product quality improvement.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims (4)

1. The utility model provides an energy-conserving foaming ceramic plate tunnel kiln production line, includes furnace body (1), exhaust system (2), combustion-supporting system (3), cooling system (4), combustion system (5), kiln car and kiln car transfer system (7), fan system (8), pipe-line system (9), control system (10), its characterized in that, exhaust system (2) are established in preheating zone in proper order in the past to furnace body (1), combustion system (5) are established to the burning zone, cooling system (4) are established to the cooling zone, combustion-supporting system (3) gather the hot-blast that the cooling zone anterior segment was replaced by heat-extraction wind pipe (6) through combustion-supporting fan (8), throw into the nozzle and carry out combustion-supporting, tunnel kiln combustion system (5) adopt the even intensive arrangement of middling pressure miniwatt nozzle multilayer, and subregion group control.
2. The energy-saving foaming ceramic plate tunnel kiln production line according to claim 1, wherein the frames of the furnace body (1) and the kiln car (7) are made of high-quality steel materials, the kiln wall masonry is made of lightweight mullite refractory bricks, and the kiln top is made of high-alumina fiber cotton block mixed masonry.
3. An energy-saving foamed ceramic plate tunnel kiln production line according to claim 1, characterized in that the cooling system (4) redistributes the waste heat extracted from the kiln into the kiln by a cooling fan (8) so that the hot air flow is continuously circulated to cool the product slowly.
4. The energy-saving foamed ceramic plate tunnel kiln production line according to claim 1, wherein the pipeline system (9) is provided with valves, flashboards and control components, and the kiln car and kiln car transfer system (7) is provided with control components, and the control components are automatically and accurately positioned, operated and interlocked through the control system (10).
CN202211628709.7A 2022-12-18 2022-12-18 Energy-saving foaming ceramic plate tunnel kiln production line Pending CN116105495A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211628709.7A CN116105495A (en) 2022-12-18 2022-12-18 Energy-saving foaming ceramic plate tunnel kiln production line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211628709.7A CN116105495A (en) 2022-12-18 2022-12-18 Energy-saving foaming ceramic plate tunnel kiln production line

Publications (1)

Publication Number Publication Date
CN116105495A true CN116105495A (en) 2023-05-12

Family

ID=86266661

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211628709.7A Pending CN116105495A (en) 2022-12-18 2022-12-18 Energy-saving foaming ceramic plate tunnel kiln production line

Country Status (1)

Country Link
CN (1) CN116105495A (en)

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