CN209639545U - A kind of concentration melting furnace of high efficiency waste heat recycling - Google Patents

A kind of concentration melting furnace of high efficiency waste heat recycling Download PDF

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Publication number
CN209639545U
CN209639545U CN201920320417.4U CN201920320417U CN209639545U CN 209639545 U CN209639545 U CN 209639545U CN 201920320417 U CN201920320417 U CN 201920320417U CN 209639545 U CN209639545 U CN 209639545U
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air
waste heat
ceramic
melting furnace
pipe
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CN201920320417.4U
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邓冠军
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DONGGUAN YAOSHENG INDUSTRIAL FURNACE CO LTD
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DONGGUAN YAOSHENG INDUSTRIAL FURNACE CO LTD
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

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  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

The utility model is a kind of concentration melting furnace of high efficiency waste heat recycling, including pedestal and fusing furnace body, it further include a waste heat conduction device, the waste heat conduction device includes exhaust passage component and air-inducing passage component, the exhaust passage component includes a ceramic pipe and multiple silicon carbide thermal conductive ceramic plates inside ceramic pipe, so that not draining by straight line path but draining by serpentine path when flue gas is drained, the path of covert lengthening flue gas heat recycling, the utilization rate for improving heat in flue gas, reduces the loss of industrial energy;The air-inducing passage component includes induced duct of the helical coated in ceramic tube outer surface, to form the air-inducing passage of a spiral surrounding, when combustion air is through air-inducing passage, ceramic pipe is by heating combustion air from the thermal energy of off-gas recovery, and air-inducing passage enables combustion air to reach optimal combustion-supporting temperature helically around that can extend heating path.

Description

A kind of concentration melting furnace of high efficiency waste heat recycling
Technical field
The utility model relates to melting furnace fields, more specifically, being related to a kind of concentration fusing of high efficiency waste heat recycling Furnace.
Background technique
It is that waste heat refers to generating in various thermal energy conversion equipments and production technology in production process and be not used effectively Thermal energy, and if this partial heat energy is not recycled, that is, considerably increase the loss of industrial energy, improve cost; In modernization melting furnace in use, a large amount of thermal energy can be discharged with flue gas when melting to material, so people are in cigarette It is partially recycled to thermal energy progress that it is provided with waste-heat recovery device at chimney, discloses one kind in number of patent application 201820046513.X Melting furnace is concentrated in combustion gas with energy-saving residual-heat recyclable device, by setting the flue gas for having a large amount of waste heats with combustion air convection current It sets to be heated to combustion air, combustion air can be made to reach certain temperature, to realize the recycling to waste heat, but reality In due to space limitations, convection path can not be lengthened infinitely so that in the flue gas after convection current also with a large amount of waste heats not by It utilizes, heat recovery rate is not high, needs to propose that new scheme improves in view of the foregoing drawbacks.
Utility model content
It, can be to having in view of the deficienciess of the prior art, the purpose of the utility model is to provide a kind of concentration melting furnace The efficient recycling of the flue gas of amount of heat and the combustion-supporting temperature for effectively improving combustion air.
In order to solve above-mentioned technical problem, the utility model is adopted the following technical solutions:
A kind of concentration melting furnace of high efficiency waste heat recycling, including pedestal and fusing furnace body, the fusing furnace body Including charging well, fusion zone and heat preservation zone, the chamber in the fusion zone and heat preservation zone is provided with burner, the fusing It is provided with the chimney for discharging flue gas on furnace body, further includes a waste heat conduction device being fixedly connected with chimney, it is described remaining Heat conducting device includes exhaust passage component and air-inducing passage component, and the exhaust passage component includes ceramic pipe, institute Ceramic pipe is stated in cylindrical structure and the internal through-hole for offering rectangular in cross-section structure in the axial direction, thus described The air inlet that the both ends of ceramic pipe are formed with exhaust outlet and are connected to chimney, the medial surface up and down of the ceramic pipe Be provided with thermally conductive baffle group and under thermally conductive baffle group, the upper thermally conductive baffle group include it is multiple arranged in parallel and interval setting Upper silicon carbide thermal conductive ceramic plate, thermally conductive baffle group includes that multiple arranged in parallel and spaced lower silicon carbide is thermally conductive under described Potsherd, multiple upper silicon carbide thermal conductive ceramic plates and multiple lower silicon carbide thermal conductive ceramic plates are cross-linked in ceramics It the medial surface up and down of heat conducting pipe and is inclined to set;The air-inducing passage component includes helical coated in ceramic tube outer surface Induced duct, the induced duct close to ceramic pipe side be do not close, thus between induced duct and ceramic pipe The air-inducing passage of a spiral surrounding is formed, the air-vent connecting with blower is provided at the induced duct both ends and is connected with burner Logical air outlet.
More specifically, the ceramic pipe is provided with the ceramic filter of filtering flue gas in air inlet and exhaust ports Plate.
More specifically, the air inducing pipe internal surface is provided with thermal insulation fire-resistant fiber liner layer.
More specifically, the thermal insulation fire-resistant fiber liner layer is the ultralight aluminosilicate refractory fiber material members of long filament.
More specifically, the upper thermally conductive baffle group thermally conductive baffle group under is fixedly connected on the inside up and down of ceramic pipe Face, and upper thermally conductive baffle group and under thermally conductive baffle group both ends be connected with the left and right medial surface of ceramic pipe.
More specifically, the upper silicon carbide thermal conductive ceramic plate and lower silicon carbide thermal conductive ceramic plate are vented along ceramic pipe The inclination of mouth direction.
More specifically, the upper silicon carbide thermal conductive ceramic plate, the tilt angle size of lower silicon carbide thermal conductive ceramic plate are identical, The tilt angle is 45 ° -70 °.
There are advantage and good effects for the utility model: the utility model is a kind of concentration fusing of high efficiency waste heat recycling Furnace recycles flue gas heat by waste heat conduction device, to be converted into the thermal energy of combustion air;Wherein flue gas is drained Multiple silicon carbide thermal conductive ceramic plates are provided in through-hole, so that not draining by straight line path but by hairpin bend when flue gas is drained Diameter is drained, and the path of covert lengthening flue gas heat recycling improves the utilization rate of heat in flue gas, reduces the damage of industrial energy Consumption;Furthermore induced duct helical coated, in the outside of ceramic pipe, when combustion air is through air-inducing passage in induced duct, ceramics are led Heat pipe is by heating combustion air from the thermal energy of off-gas recovery, and air-inducing passage helically surround to extend and heats road Diameter enables combustion air to reach optimal combustion-supporting temperature.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that embodiment one concentrates melting furnace.
Fig. 2 is the structural schematic diagram of one waste heat conduction device of embodiment.
Fig. 3 is the structure sectional view (the discharge track of dotted line and arrow expression flue gas) of one waste heat conduction device of embodiment.
Fig. 4 is the structure sectional view of two waste heat conduction device of embodiment.
Specific embodiment
The utility model is described in further detail with specific embodiment with reference to the accompanying drawing, but the utility model Embodiment is not limited to this.
As shown in Figure 1-3, embodiment one is a kind of concentration melting furnace of high efficiency waste heat recycling, including pedestal 1 and molten Change furnace body 2, the fusing furnace body 2 includes charging well 21, fusion zone 22 and heat preservation zone 23, the fusion zone 22 and guarantor Chamber in warm area 23 is provided with burner 24, and the chimney 25 for discharging flue gas is provided on the fusing furnace body 2, above-mentioned For the prior art, material enters fusion zone 22 by charging well 21, carries out heating fusing by burner 24, useless in fusion process Gas and flue dust are discharged by chimney 25, the cryogenic material of fusing are transferred to heat preservation zone 23 later, then be heated to by burner 24 Defined temperature is simultaneously kept the temperature, and wherein burner 24 is the burner concentrated in melting furnace, there is fuel inlet, air intake and ejection Hole plays the role of distributing fuel and combustion air and sprays after-combustion in a certain way.
It more specifically, further include a waste heat conduction device 3 being fixedly connected with chimney in embodiment one, the waste heat passes Leading device 3 includes exhaust passage component 4 and air-inducing passage component 5.
Exhaust passage component 4 described in above-described embodiment one includes ceramic pipe 41, and the ceramic pipe 41 is in circle Columnar structures and the internal through-hole 410 for offering rectangular in cross-section structure in the axial direction, thus in the ceramic pipe 41 The both ends air inlet that is formed with exhaust outlet and is connected to chimney 25, i.e., the band heat flue gas that generates of fusing by air inlet into Enter in ceramic pipe 41, and is led in atmosphere by exhaust outlet;Wherein the ceramic pipe 41 is in air inlet and exhaust outlet Place is provided with the ceramic filter plate 6 of filtering flue gas, carries out double filtration to the flue gas of generation, avoids causing seriously to endanger to environment Evil.
In addition, the medial surface up and down of the ceramic pipe 41 be provided with thermally conductive baffle group 42 and under thermally conductive baffle group 43, the upper thermally conductive baffle group 42 includes multiple arranged in parallel and spaced upper silicon carbide thermal conductive ceramic plate 421, under described Thermally conductive baffle group 43 includes multiple arranged in parallel and spaced lower silicon carbide thermal conductive ceramic plate 431, multiple upper carbonizations Silicon thermal conductive ceramic plate 421 and multiple lower silicon carbide thermal conductive ceramic plates 431 are cross-linked above and below ceramic pipe 41 Medial surface and in parallel oblique be arranged;In traditional Heat Treatment, by flue gas and the combustion air convection current that will have a large amount of waste heats It is arranged to be heated to combustion air, combustion air can be made to reach certain temperature, thus realize the recycling to waste heat, but by Limitation in space, convection path can not be lengthened infinitely, cause heat recovery rate not high, and the utility model by The multiple silicon carbide thermal conductive ceramic plates of setting in ceramic pipe 41 so that not drain by straight line path when flue gas is drained but by Serpentine path is drained, and the path of covert lengthening flue gas heat conduction recycling improves the utilization rate of heat in flue gas, reduces industry The loss of the energy.
More specifically, the air-inducing passage component 5 includes helical coated in 41 outer surface of ceramic pipe in embodiment one Induced duct 51, the induced duct 51 close to 41 side of ceramic pipe be do not close, to be led in induced duct 51 and ceramics The air-inducing passage 52 of a spiral surrounding is formed between heat pipe 41, is provided at 51 both ends of induced duct and is connected with blower (not shown) The air-vent connect and the air outlet being connected to burner 24;I.e. induced duct 51 helically around shape and its close to ceramic pipe 41 Surface is open end, and logical by the air inducing that the surface of induced duct 51 and ceramic pipe 41 could form spiral surrounding together Road 52 enters combustion air in air-inducing passage 52 by air-vent by blower, and 41 surface of ceramic pipe is by connecing Touching will be transferred to combustion air from the heat of smoke absorption, heat to it, last combustion air enters burning by air outlet In the air intake of mouth 24, and air-inducing passage 52 substantially increases helically around the heating path that can extend to combustion air The temperature of combustion air reaches optimal combustion-supporting temperature.
Additional embodiment one is in order to enable silicon carbide thermal conductive ceramic plate to be preferably transferred to ceramics to the heat of smoke absorption On heat conducting pipe 41, it is possible to increase contact area, wherein upper thermally conductive baffle group 42 thermally conductive baffle group 43 under is fixedly connected on pottery The medial surface up and down of porcelain heat conducting pipe 41, and upper thermally conductive baffle group 42 and under thermally conductive baffle group 43 both ends and ceramic pipe 41 a left side Right Inboard face is connected.
As shown in figure 4, embodiment two is the concentration melting furnace of another high efficiency waste heat recycling, exist with the difference of embodiment one In 51 inner surface of induced duct is provided with thermal insulation fire-resistant fiber liner layer (not shown), wherein in thermal insulation fire-resistant fiber Lining is the ultralight aluminosilicate refractory fiber material members of long filament, can reduce internal heat to keeping the temperature in waste heat conduction device 3 It distributes outward, reduces the proportion of goods damageds.
More specifically, the upper silicon carbide thermal conductive ceramic plate 421 of embodiment one is parallel with lower silicon carbide thermal conductive ceramic plate 431 It is obliquely installed, i.e., such as upper silicon carbide thermal conductive ceramic plate 421 is tilted to exhaust outlet direction, and lower silicon carbide thermal conductive ceramic plate 431 It is then tilted to air inlet, partial fume is gathered in lower silicon carbide thermal conductive ceramic plate 431 and pottery when this is likely to cause flue gas discharge In the corner that porcelain heat conducting pipe 41 connects, be not easy to be discharged, be easy to influence heat transfer or accumulated impurity, and described in embodiment two on Silicon carbide thermal conductive ceramic plate 421 and lower silicon carbide thermal conductive ceramic plate 431 are tilted along 41 exhaust outlet direction of ceramic pipe, favorably It is smoothly discharged in flue gas, in addition the upper silicon carbide thermal conductive ceramic plate 421, lower silicon carbide thermal conductive ceramic plate 431 and ceramic The tilt angle A size of medial surface up and down that pipe 41 is connected is identical, and the tilt angle A is 45 ° -75 °, and angle is too small, heat Recycling path can not effectively lengthen, and angle then will affect greatly very much the discharge of flue gas.
Although specific embodiment of the present utility model is described above, should understand that for those skilled in the art Above-mentioned to be merely illustrative of, the protection scope of the utility model is to be defined by the appended claims.Those skilled in the art Under the premise of without departing substantially from the principles of the present invention and essence, technical solution illustrated in the above embodiments can still be carried out Modification or equivalent replacement of some of the technical features, and these modifications or substitutions each fall within the guarantor of the utility model Protect range.

Claims (7)

1. a kind of concentration melting furnace of high efficiency waste heat recycling, including pedestal and fusing furnace body, the fusing furnace body packet Charging well, fusion zone and heat preservation zone are included, the chamber in the fusion zone and heat preservation zone is provided with burner, the melting furnace The chimney for discharging flue gas is provided on ontology, which is characterized in that further include a waste heat conduction dress being fixedly connected with chimney It sets, the waste heat conduction device includes exhaust passage component and air-inducing passage component, and the exhaust passage component includes ceramics Heat conducting pipe, the ceramic pipe offer the through-hole of rectangular in cross-section structure in cylindrical structure and inside in the axial direction, Air inlet to be formed with exhaust outlet at the both ends of the ceramic pipe and be connected to chimney, the ceramic pipe Upper and lower medial surface be provided with thermally conductive baffle group and under thermally conductive baffle group, the upper thermally conductive baffle group includes multiple arranged in parallel And spaced upper silicon carbide thermal conductive ceramic plate, under thermally conductive baffle group includes multiple arranged in parallel and spaced under described Silicon carbide thermal conductive ceramic plate, multiple upper silicon carbide thermal conductive ceramic plates and multiple lower silicon carbide thermal conductive ceramic plates interlock It is connected to the medial surface up and down of ceramic pipe and is inclined to set;The air-inducing passage component includes that helical coated is led in ceramics The induced duct of heat pipe outer surface, the induced duct is being not close close to ceramic pipe side, thus in induced duct and ceramics The air-inducing passage of a spiral surrounding is formed between heat conducting pipe, be provided at the induced duct both ends air-vent that is connect with blower with And the air outlet being connected to burner.
2. a kind of concentration melting furnace of high efficiency waste heat recycling according to claim 1, which is characterized in that the ceramics are led Heat pipe is provided with the ceramic filter plate of filtering flue gas in air inlet and exhaust ports.
3. a kind of concentration melting furnace of high efficiency waste heat recycling according to claim 1, which is characterized in that the induced duct Inner surface is provided with thermal insulation fire-resistant fiber liner layer.
4. a kind of concentration melting furnace of high efficiency waste heat recycling according to claim 3, which is characterized in that the heat preservation is resistance to Fiery fiber liner layer is the ultralight aluminosilicate refractory fiber material members of long filament.
5. a kind of concentration melting furnace of high efficiency waste heat recycling according to claim 1, which is characterized in that described thermally conductive Baffle group thermally conductive baffle group under is fixedly connected on the medial surface up and down of ceramic pipe, and upper thermally conductive baffle group thermally conductive gear under Piece group both ends are connected with the left and right medial surface of ceramic pipe.
6. a kind of concentration melting furnace of high efficiency waste heat recycling according to claim 1, which is characterized in that the upper carbonization Silicon thermal conductive ceramic plate and lower silicon carbide thermal conductive ceramic plate are tilted along ceramic pipe exhaust outlet direction.
7. a kind of concentration melting furnace of high efficiency waste heat recycling according to claim 6, which is characterized in that the upper carbonization Silicon thermal conductive ceramic plate, the tilt angle size of lower silicon carbide thermal conductive ceramic plate are identical, and the tilt angle is 45 ° -70 °.
CN201920320417.4U 2019-03-13 2019-03-13 A kind of concentration melting furnace of high efficiency waste heat recycling Active CN209639545U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114046658A (en) * 2021-11-11 2022-02-15 山东瑞泰盖泽工程有限公司 Kiln with heat recovery function and process thereof
CN117419578A (en) * 2023-12-18 2024-01-19 厦门英格瑞思科技有限公司 Furnace waste heat recovery device for crystal optical fiber capillary production

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114046658A (en) * 2021-11-11 2022-02-15 山东瑞泰盖泽工程有限公司 Kiln with heat recovery function and process thereof
CN114046658B (en) * 2021-11-11 2023-09-08 山东瑞泰盖泽工程有限公司 Kiln with heat recovery function and process thereof
CN117419578A (en) * 2023-12-18 2024-01-19 厦门英格瑞思科技有限公司 Furnace waste heat recovery device for crystal optical fiber capillary production
CN117419578B (en) * 2023-12-18 2024-03-08 厦门英格瑞思科技有限公司 Furnace waste heat recovery device for crystal optical fiber capillary production

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