CN201237450Y - Waste heat recovery and utilization apparatus of ceramic roller kiln - Google Patents

Waste heat recovery and utilization apparatus of ceramic roller kiln Download PDF

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Publication number
CN201237450Y
CN201237450Y CNU2008200993847U CN200820099384U CN201237450Y CN 201237450 Y CN201237450 Y CN 201237450Y CN U2008200993847 U CNU2008200993847 U CN U2008200993847U CN 200820099384 U CN200820099384 U CN 200820099384U CN 201237450 Y CN201237450 Y CN 201237450Y
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China
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kiln
hot
air
entrance point
exhaust duct
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Expired - Fee Related
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CNU2008200993847U
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Chinese (zh)
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易乾亨
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    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
    • 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
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
    • 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
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply

Abstract

The utility model discloses a waste heat recycling device of a ceramic roller kiln, which comprises a ceramic roller kiln, an exhaust fan at the outlet of the kiln, an exhaust duct at the outlet of the kiln, an exhaust fan at the inlet of the kiln, an exhaust duct at the inlet of the kiln, an air heating furnace, a ceramic powder preparing drying tower, a ceramic powder preparing drying tower exhaust fan, a natural gas inlet of the air heating furnace and a combustion-supporting fan; the pipe wall of the exhaust duct at the outlet of the kiln is communicated with an exhaust tube at the outlet of the kiln; the pipe wall of the exhaust duct at the inlet of the kiln is communicated with an exhaust tube at the inlet of the kiln; after the exhaust tube at the outlet of the kiln and the exhaust tube at the inlet of the kiln converge, most waste heat enters into the air heating furnace through an air heating furnace main distribution air duct air door and an air heating furnace main distribution air duct, little waste heat enters into the combustion fan through a combustion fan air inlet pipe heat air door and a combustion fan air inlet pipe to be burned by a combustion-supporting burner. The device can obviously save natural gas, reduce carbon dioxide and waste heat emission, reduce energy consumption, and improve the economic benefit of social benefit of enterprises.

Description

Ceramic roller kiln heat recovery device
Technical field
The utility model relates to the residual heat using device of kiln, more specifically relates to a kind of ceramic roller kiln heat recovery device.
Background technology
Ceramic roller kiln, hot-blast stove, ceramic powder process drying tower are high-energy equipments main in the ceramic industry, in existing ceramic roller kiln, Ceramic Tiles is heat-agglomerating in ceramic roller kiln, be located at the kiln entrance point air exhauster and the kiln port of export air exhauster that is located at ceramic roller kiln of ceramic roller kiln, waste heat in its kiln is extracted out and discharging, its waste heat supply temperature has been wasted a large amount of energy up to 150-400 ℃; Simultaneously, in the technology of Production of Ceramics, need hot-blast stove to produce the hot blast up to 400-500 ℃ in a large number, be transported to ceramic powder process drying tower, ceramic mud is dried to the powder particle.Because produce the energy consumption height of pottery, energy waste is big, cause the production cost height of pottery, for this reason, remain technological improvement, make full use of waste heat, energy savings reduces the energy consumption of Production of Ceramics, reduces its production cost.
Summary of the invention
The purpose of this utility model: in order to make full use of the waste heat of ceramic roller kiln, reduce the energy consumption of producing pottery, reduce the production cost of pottery, and a kind of ceramic roller kiln heat recovery device is provided.
The technical solution of the utility model is achieved in that a kind of ceramic roller kiln heat recovery device, comprise ceramic roller kiln, kiln port of export air exhauster, kiln port of export exhaust duct, kiln entrance point air exhauster, kiln entrance point exhaust duct, hot-blast stove, pottery powder process drying tower, pottery powder process drying tower air exhauster, the natural gas import of hot-blast stove, combustion fan, on the tube wall of kiln port of export exhaust duct, be communicated with kiln port of export exhaust tube, on the tube wall of kiln entrance point exhaust duct, be communicated with kiln entrance point exhaust tube, after kiln port of export exhaust tube and kiln entrance point exhaust tube converge, make most waste heats through hot-blast stove master aid distributing pipe air door, hot-blast stove master aid distributing pipe enters hot-blast stove, the minority waste heat is through combustion fan blast pipe hot blast door, the combustion fan blast pipe enters combustion fan, helps burner combustion.
On described combustion fan blast pipe, be provided with combustion fan blast pipe cold-air flap, on described hot-blast stove master aid distributing pipe, be provided with hot-blast stove master aid distributing pipe cold-air flap, on described kiln entrance point exhaust duct, be provided with kiln entrance point exhaust duct air door.
On described kiln entrance point exhaust duct, be provided with the UTILIZATION OF VESIDUAL HEAT IN branched pipe.
Ceramic roller kiln heat recovery device of the present utility model, when whole device is in running order, it is ceramic roller kiln, hot-blast stove, when pottery powder process drying tower is all in running order, the waste heat that waste heat that kiln port of export air exhauster is extracted out and kiln entrance point air exhauster are extracted out is under the effect of combustion fan and ceramic powder process drying tower air exhauster, make the waste heat up to 150-400 ℃ of extraction flow into hot-blast stove along kiln port of export exhaust tube and kiln entrance point exhaust tube, the natural gas that enters the natural gas import is in burner combustion, its waste heat is continued to be heated to 400-500 ℃, become hot blast, hot blast in the hot-blast stove is under the effect of ceramic powder process drying tower air exhauster, flow into ceramic powder process drying tower, ceramic mud is dried to the powder particle, waste heat is fully used at ceramic powder process drying tower, at last, the hot blast after being utilized is discharged from ceramic powder process drying tower air exhauster.
When ceramic roller kiln work, and hot-blast stove and ceramic powder process drying tower, when ceramic powder process drying tower air exhauster quits work, the waste heat that kiln port of export air exhauster is extracted out is discharged from kiln port of export exhaust duct, the waste heat that kiln entrance point air exhauster is taken out is discharged from kiln entrance point exhaust duct, has guaranteed the operate as normal of ceramic roller kiln.
When ceramic roller kiln quits work, and when hot-blast stove and ceramic powder process drying tower, the work of ceramic powder process drying tower air exhauster, the air intake of hot-blast stove mainly directly enters hot-blast stove from hot-blast stove master aid distributing pipe cold-air flap, and the air intake of combustion fan blast pipe mainly enters from combustion fan blast pipe cold-air flap.
When the exhaust air rate of kiln port of export air exhauster and kiln entrance point air exhauster during less than the exhaust air rate of combustion fan and ceramic powder process drying tower air exhauster, when combustion fan and the work of ceramic powder process drying tower air exhauster, can replenish air from kiln port of export exhaust duct and kiln entrance point exhaust duct.In order to make the combustion fan operate as normal, need the intake of coupling combustion fan blast pipe cold-air flap and combustion fan blast pipe hot blast door, with the temperature and the concentration of carbon dioxide of the wind of guaranteeing to enter combustion fan.
The beneficial effects of the utility model: ceramic roller kiln heat recovery apparatus structure of the present utility model is simple, utilize pipeline and air door key the waste heat of ceramic roller kiln to be made full use of among the hot-blast stove wonderfully, saved a large amount of natural gases when making hot-blast stove work.Show according to test, used ceramic roller kiln heat recovery device of the present utility model to compare with not using, used ceramic roller kiln heat recovery device of the present utility model, one ton of ceramic powder of every production can be saved 15 cubic metres of natural gases, save the natural gas rate up to more than 30%, every month by producing 3000 tons of ceramic powder particles calculating, can save 45000 cubic metres of natural gases in every month, can save natural gas 50 ten thousand steres in 1 year, amount to and save RMB up to 820,000 yuan, have significant saving natural gas, reduce the discharging of carbon dioxide and waste heat, significantly cut down the consumption of energy, increase economic benefit of enterprises and social benefit.
Description of drawings
Accompanying drawing is a structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Shown in the figure accompanying drawing, a kind of ceramic roller kiln heat recovery device, comprise ceramic roller kiln 4, kiln port of export air exhauster 3, kiln port of export exhaust duct 2, kiln entrance point air exhauster 5, kiln entrance point exhaust duct 7, hot-blast stove 12, pottery powder process drying tower 13, pottery powder process drying tower air exhauster 14, the natural gas import 15 of hot-blast stove, combustion fan 17, on the tube wall of kiln port of export exhaust duct 2, be communicated with kiln port of export exhaust tube 1, on the tube wall of kiln entrance point exhaust duct 7, be communicated with kiln entrance point exhaust tube 9, after kiln port of export exhaust tube 1 and kiln entrance point exhaust tube 9 converge, make most waste heats through hot-blast stove master aid distributing pipe air door 22, hot-blast stove master aid distributing pipe 21 enters hot-blast stove 12, the minority waste heat is through combustion fan blast pipe hot blast door 20, combustion fan blast pipe 18 enters combustion fan 17, helps burner 16 burnings.On described combustion fan blast pipe 18, be provided with combustion fan blast pipe cold-air flap 19, on described hot-blast stove master aid distributing pipe 21, be provided with hot-blast stove master aid distributing pipe cold-air flap 11, on described kiln entrance point exhaust duct 7, be provided with kiln entrance point exhaust duct air door 8.On described kiln entrance point exhaust duct 7, be provided with UTILIZATION OF VESIDUAL HEAT IN branched pipe 6.On kiln entrance point exhaust tube 9, be provided with kiln entrance point exhaust tube air door 10.
It is 165 meters that the ceramic roller kiln of present embodiment generally is about, 1 meter of the diameter of kiln port of export exhaust tube 1, and 0.6 meter of the diameter of kiln entrance point exhaust tube 9, the pipeline of all transmission heat need be incubated processing.
Present embodiment ceramic roller kiln heat recovery device, when whole device is in running order, it is ceramic roller kiln 4, hot-blast stove 12, when pottery powder process drying tower 13 is all located with duty, the waste heat that waste heat that kiln port of export air exhauster 3 is extracted out and kiln entrance point air exhauster 5 are extracted out is under the effect of combustion fan 17 and ceramic powder process drying tower air exhauster 14, make the waste heat up to 150-400 ℃ of extraction flow into hot-blast stove 12 along kiln port of export exhaust tube 1 and kiln entrance point exhaust tube 9, the natural gas that enters natural gas import 15 is in burner 16 burnings, its waste heat is continued to be heated to 400-500 ℃, become hot blast, hot blast in the hot-blast stove 12 is under the effect of ceramic powder process drying tower air exhauster 14, flow into ceramic powder process drying tower 13, ceramic mud is dried to the powder particle, waste heat is fully used at ceramic powder process drying tower 13, at last, the hot blast after being utilized is discharged from ceramic powder process drying tower air exhauster 14.When ceramic roller kiln 4 work, and hot-blast stove 12 and ceramic powder process drying tower 13, when ceramic powder process drying tower air exhauster 14 quits work, the waste heat that kiln port of export air exhauster 3 is extracted out is discharged from kiln port of export exhaust duct 2, the waste heat that kiln entrance point air exhauster 5 is taken out is discharged from kiln entrance point exhaust duct 7, has guaranteed the operate as normal of ceramic roller kiln 4.When ceramic roller kiln 4 quits work, and when hot-blast stove 12 and ceramic powder process drying tower 13,14 work of ceramic powder process drying tower air exhauster, the air intake of hot-blast stove 12 mainly directly enters hot-blast stove 12 from hot-blast stove master aid distributing pipe cold-air flap 11, and the air intake of combustion fan blast pipe 18 mainly enters from combustion fan blast pipe cold-air flap 19.When the capacity of kiln port of export air exhauster 3 and kiln entrance point air exhauster 5 during less than the capacity of combustion fan 17 and ceramic powder process drying tower air exhauster 14, when combustion fan 17 and 14 work of ceramic powder process drying tower air exhauster, can replenish air from kiln port of export exhaust duct 2 and kiln entrance point exhaust duct 7.

Claims (3)

1, a kind of ceramic roller kiln heat recovery device, comprise ceramic roller kiln (4), kiln port of export air exhauster (3), kiln port of export exhaust duct (2), kiln entrance point air exhauster (5), kiln entrance point exhaust duct (7), hot-blast stove (12), pottery powder process drying tower (13), pottery powder process drying tower air exhauster (14), the natural gas import (15) of hot-blast stove, combustion fan (17), it is characterized in that: on the tube wall of kiln port of export exhaust duct (2), be communicated with kiln port of export exhaust tube (1), on the tube wall of kiln entrance point exhaust duct (7), be communicated with kiln entrance point exhaust tube (9), after kiln port of export exhaust tube (1) and kiln entrance point exhaust tube (9) converge, make most waste heats through hot-blast stove master aid distributing pipe air door (22), hot-blast stove master aid distributing pipe (21) enters hot-blast stove (12), the minority waste heat is through combustion fan blast pipe hot blast door (20), combustion fan blast pipe (18) enters combustion fan (17), helps burner (16) burning.
2, ceramic roller kiln heat recovery device according to claim 1, it is characterized in that: on described combustion fan blast pipe (18), be provided with combustion fan blast pipe cold-air flap (19), on described hot-blast stove master aid distributing pipe (21), be provided with hot-blast stove master aid distributing pipe cold-air flap (11), on described kiln entrance point exhaust duct (7), be provided with kiln entrance point exhaust duct air door (8).
3, ceramic roller kiln heat recovery device according to claim 2 is characterized in that: be provided with UTILIZATION OF VESIDUAL HEAT IN branched pipe (6) on described kiln entrance point exhaust duct (7).
CNU2008200993847U 2008-07-09 2008-07-09 Waste heat recovery and utilization apparatus of ceramic roller kiln Expired - Fee Related CN201237450Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008200993847U CN201237450Y (en) 2008-07-09 2008-07-09 Waste heat recovery and utilization apparatus of ceramic roller kiln

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008200993847U CN201237450Y (en) 2008-07-09 2008-07-09 Waste heat recovery and utilization apparatus of ceramic roller kiln

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102706174A (en) * 2012-05-25 2012-10-03 广东新明珠陶瓷集团有限公司 Wasteheat utilization control structure of kiln
CN102748956A (en) * 2012-07-06 2012-10-24 广东中窑窑业股份有限公司 Method and device for recovering and utilizing kiln waste heat by spray drying tower in ceramic industry
CN103557731A (en) * 2013-08-05 2014-02-05 洛阳安拓窑炉环保有限公司 Perforated expansion furnace capable of utilizing self high-temperature waste gas afterheat and method
CN110081721A (en) * 2019-04-25 2019-08-02 广东省特种设备检测研究院潮州检测院 A kind of ceramics gas burning kiln heat energy from waste gas recycle device
CN111649481A (en) * 2020-06-23 2020-09-11 萍乡市华顺环保化工填料有限公司 Hot-blast stove system with pressure regulating function

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102706174A (en) * 2012-05-25 2012-10-03 广东新明珠陶瓷集团有限公司 Wasteheat utilization control structure of kiln
CN102706174B (en) * 2012-05-25 2014-05-28 广东新明珠陶瓷集团有限公司 Wasteheat utilization control structure of kiln
CN102748956A (en) * 2012-07-06 2012-10-24 广东中窑窑业股份有限公司 Method and device for recovering and utilizing kiln waste heat by spray drying tower in ceramic industry
CN103557731A (en) * 2013-08-05 2014-02-05 洛阳安拓窑炉环保有限公司 Perforated expansion furnace capable of utilizing self high-temperature waste gas afterheat and method
CN110081721A (en) * 2019-04-25 2019-08-02 广东省特种设备检测研究院潮州检测院 A kind of ceramics gas burning kiln heat energy from waste gas recycle device
CN110081721B (en) * 2019-04-25 2020-11-06 广东省特种设备检测研究院潮州检测院 Waste gas heat energy recycling device for ceramic gas kiln
CN111649481A (en) * 2020-06-23 2020-09-11 萍乡市华顺环保化工填料有限公司 Hot-blast stove system with pressure regulating function

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090513

Termination date: 20140709

EXPY Termination of patent right or utility model