CN203772037U - Waste heat recycling system of glass kiln - Google Patents

Waste heat recycling system of glass kiln Download PDF

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Publication number
CN203772037U
CN203772037U CN201420171986.4U CN201420171986U CN203772037U CN 203772037 U CN203772037 U CN 203772037U CN 201420171986 U CN201420171986 U CN 201420171986U CN 203772037 U CN203772037 U CN 203772037U
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China
Prior art keywords
heat
waste
flue
furnace
glass furnace
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CN201420171986.4U
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Chinese (zh)
Inventor
张宏伟
王瑞广
王磊
钱会敏
曹新波
李宝江
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TIANJIN HUANENG THERMAL EQUIPMENT CO Ltd
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TIANJIN HUANENG THERMAL EQUIPMENT CO Ltd
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Priority to CN201420171986.4U priority Critical patent/CN203772037U/en
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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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency
    • 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
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/50Glass production, e.g. reusing waste heat during processing or shaping

Abstract

The utility model relates to a waste heat recycling system of a glass kiln. The waste heat recycling system of the glass kiln comprises the glass kiln, induced draft fans and a waste heat furnace, wherein an exhaust port of the glass kiln is connected with a chimney through a main flue; the main flue is provided with a main path valve; a bypath flue is connected between the glass kiln and the chimney; the bypath flue is provided with a bypath valve, one induced draft fan, the waste heat furnace and the other induced draft fan in sequence. As the waste heat furnace is connected to the bypath flue in parallel, and the valves are installed on the main flue and the bypath flue respectively, the glass kiln and the waste heat furnace do not interfere with each other, and the system can work normally and effectively; as heat pipes of the waste heat furnace and a furnace cavity are of a spiral pipe structure, the heat quantity is increased greatly.

Description

A kind of glass furnace residual neat recovering system
Technical field
The utility model belongs to flue gas waste heat recovery technical field, specifically, is a kind of glass furnace residual neat recovering system.
Background technology
At present, existing more than 200 glass production enterprise in the whole nation, the kiln of producing glass is main fuel mainly with heavy oil, coal, natural gas.The exhausted air quantity of glass furnace discharge is large, temperature is high, power consumption is large, energy consumption cost expenditure ratio generally account for total production cost 40% to 45% between, approximately more than 30% heat energy is discharged with the form of waste gas.
In this case, the waste gas of glass furnace have to be issued in atmosphere through flue, and its waste heat is not fully used, and slatterns in vain, has increased virtually the production cost of glass.
Through retrieval, find one piece of document relevant to present patent application content, the Chinese utility model patent that publication number is CN101451705, this patent discloses a kind of waste heat boiler, comprising: the body of heater with Natural Circulation heating surface and forced circulation heating surface; The circulatory system, comprises the drum of the water inlet pipe, Natural Circulation outlet pipe, forced circulation outlet pipe, Natural Circulation return duct, forced circulation return duct and the steam outlet pipe that are respectively arranged with for supplying water in drum; Be arranged on the Natural Circulation heat exchanger that Natural Circulation heating surface place and its import are connected with drum with Natural Circulation return duct by Natural Circulation outlet pipe respectively with outlet; Be arranged on the forced circulation heat exchanger that forced circulation heating surface place and its import are connected with drum with forced circulation return duct by forced circulation outlet pipe respectively with outlet; With the circulating pump being arranged on forced circulation outlet pipe.
By contrast, find, present patent application has relatively big difference with documents in technical scheme.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of glass furnace residual neat recovering system is provided, this system is utilized the high-temperature residual heat producing in glass furnace, effectively realize reusing of energy source, reduced the discharges heat of flue gas, and by bypath system is set, guaranteed the normal operation of glass furnace, effective energy efficiency, has reduced the production cost of glass.
Technical solutions of the utility model are achieved in that
A kind of glass furnace residual neat recovering system, comprise glass furnace, air-introduced machine and waste heat boiler, the exhaust outlet of described glass furnace connects chimney by flue collector, main road valve is installed on this flue collector, between this glass furnace and chimney, be also connected a bypass flue, bypass valve, air-introduced machine, waste heat boiler and air-introduced machine are installed on this bypass flue successively.
And, described waste-heat oven is that heat pipe waste-heat oven comprises drum, furnace chamber and heat pipe, described furnace chamber is coaxially arranged in waste-heat oven, and the outer fringe surface coaxial spiral of this furnace chamber is wound around the endotherm section of many group heat pipes, and the heat release section of this heat pipe is arranged in the casing on waste-heat oven top by dividing plate.
And described heat pipe outer wall is installed fin.
And described furnace chamber is spiral tube structure.
And the rotation direction of described furnace chamber helix tube is contrary with the rotation direction of heat pipe.
Advantage of the present utility model and good effect are:
1, native system is connected in parallel on waste-heat oven on bypass flue, and at flue collector and bypass flue difference mounted valve, glass furnace and waste-heat oven is not interfere with each other, and has effectively guaranteed the normal work of system.
2, in native system, the heat pipe of waste-heat oven and furnace chamber all adopt the structure of helix tube, have greatly improved heat.
3, by dividing plate is installed in waste-heat oven, effectively prevent the leakage of boiler circuit, guaranteed the safe operation of system, thoroughly solved equipment leakage problem.
4, native system is simple in structure, design science is reasonable, have heat exchange efficiency high, be convenient to that installation and repairing, life-span are long, the feature of the stifled ash of dust stratification, anticorrosion resistance to erosion.
5, the utility model is simple in structure, design science is reasonable, does not increase any fuel, can to atmosphere, not cause the exhaust emission of dust, effectively reduces the production cost of glass.
Accompanying drawing explanation
Fig. 1 is that system of the present utility model connects block diagram;
Fig. 2 is the structure chart of the utility model waste-heat oven;
Fig. 3 is the structure cutaway view of the utility model waste-heat oven;
Fig. 4 is the structure chart of the utility model furnace chamber.
The specific embodiment
Below in conjunction with accompanying drawing and by specific embodiment, the utility model is described in further detail, and following examples are descriptive, are not determinate, can not limit protection domain of the present utility model with this.
A kind of glass furnace residual neat recovering system, as shown in Figure 1, comprise glass furnace 1, air-introduced machine 5 and waste heat boiler 4, the exhaust outlet of described glass furnace connects chimney 3 by flue collector, main road valve 2 is installed on this flue collector, between this glass furnace and chimney, be also connected a bypass flue, bypass valve 6, air-introduced machine, waste heat boiler and air-introduced machine are installed on this bypass flue successively.When waste heat boiler maintenance or while breaking down, can not affect the normal work of glass furnace, and waste-heat oven enter mouth and outlet flue is separately installed with air-introduced machine, thereby guaranteed the velocity of liquid assets of flue gas.
Described waste-heat oven is heat pipe waste-heat oven, its structure as shown in Figure 2 and Figure 3, comprise drum 9, furnace chamber 12 and heat pipe 13, described furnace chamber is coaxially arranged in waste-heat oven, the outer fringe surface coaxial spiral of this furnace chamber is wound around the endotherm section of many group heat pipes, heat pipe in the present embodiment accompanying drawing is four, can increase or reduce according to actual conditions, the heat release section of this heat pipe is arranged in the casing 7 on waste-heat oven top by dividing plate 11, heat pipe in the utility model adopts helical structure, effectively increased the ability of heat absorption, improved heat exchange efficiency, this heat pipe outer wall is installed fin.Described furnace chamber is spiral tube structure, in the situation that not increasing waste-heat oven volume, has effectively improved the flowing time of flue gas in furnace chamber, thereby has improved heat, and as shown in Figure 4, the rotation direction of this furnace chamber helix tube is contrary with the rotation direction of heat pipe.
When equipment moves, even if heat pipe one end is corroded, can not cause vapour, water to go here and there mutually, guaranteed the safe operation of system, thoroughly solved equipment leakage problem; This waste-heat oven upper end is delivered to drum by tedge 8 by vapour, aqueous mixtures, and this drum is delivered to heat release section bottom on casing by down-comer 10 by condensed water.
The operation principle of this waste-heat oven is:
The high-temperature flue gas endotherm section by heat pipe by heat of flowing through under waste-heat oven after endotherm section passes to upper heat release section, the vapour, the aqueous mixtures that on this, in heat release section, produce arrive drum through tedge, after concentrating separation, control in steam valve output, the condensed water producing in drum is delivered to the upper heat release section of water tank through down-comer again.Like this because heat pipe constantly sends heat to the water that is positioned at water tank 7 heat release section, and complete basic vapour, water circulation by rising and the decline of outside vapour, waterpipe, reach hot fluid cooling, and be converted into the object of steam.
The beneficial effects of the utility model are:
1, native system is connected in parallel on waste-heat oven on bypass flue, and at flue collector and bypass flue difference mounted valve, glass furnace and waste-heat oven is not interfere with each other, and has effectively guaranteed the normal work of system.
2, the structure of the heat pipe of waste-heat oven employing helix tube in native system, has greatly improved heat transfer coefficient.
3, by dividing plate is installed in waste-heat oven, effectively prevent the leakage of boiler circuit, guaranteed the safe operation of system, thoroughly solved equipment leakage problem.
4, native system is simple in structure, design science is reasonable, have heat exchange efficiency high, be convenient to that installation and repairing, life-span are long, the feature of the stifled ash of dust stratification, anticorrosion resistance to erosion.
5, the utility model is simple in structure, design science is reasonable, does not increase any fuel, can to atmosphere, not cause the exhaust emission of dust, effectively reduces the production cost of glass.
It should be noted that; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model, all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims (5)

1. a glass furnace residual neat recovering system, it is characterized in that: comprise glass furnace, air-introduced machine and waste heat boiler, the exhaust outlet of described glass furnace connects chimney by flue collector, main road valve is installed on this flue collector, between this glass furnace and chimney, be also connected a bypass flue, bypass valve, air-introduced machine, waste heat boiler and air-introduced machine are installed on this bypass flue successively.
2. glass furnace residual neat recovering system according to claim 1, it is characterized in that: described waste-heat oven is heat pipe waste-heat oven, comprise drum, furnace chamber and heat pipe, described furnace chamber is coaxially arranged in waste-heat oven, the outer fringe surface coaxial spiral of this furnace chamber is wound around the endotherm section of many group heat pipes, and the heat release section of this heat pipe is arranged in the casing on waste-heat oven top by dividing plate.
3. glass furnace residual neat recovering system according to claim 2, is characterized in that: described heat pipe outer wall is installed fin.
4. glass furnace residual neat recovering system according to claim 2, is characterized in that: described furnace chamber is spiral tube structure.
5. glass furnace residual neat recovering system according to claim 4, is characterized in that: the rotation direction of described furnace chamber helix tube is contrary with the rotation direction of heat pipe.
CN201420171986.4U 2014-04-10 2014-04-10 Waste heat recycling system of glass kiln Active CN203772037U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420171986.4U CN203772037U (en) 2014-04-10 2014-04-10 Waste heat recycling system of glass kiln

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420171986.4U CN203772037U (en) 2014-04-10 2014-04-10 Waste heat recycling system of glass kiln

Publications (1)

Publication Number Publication Date
CN203772037U true CN203772037U (en) 2014-08-13

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ID=51289222

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420171986.4U Active CN203772037U (en) 2014-04-10 2014-04-10 Waste heat recycling system of glass kiln

Country Status (1)

Country Link
CN (1) CN203772037U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103900387A (en) * 2014-04-10 2014-07-02 天津华能北方热力设备有限公司 Glass kiln waste heat recovery system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103900387A (en) * 2014-04-10 2014-07-02 天津华能北方热力设备有限公司 Glass kiln waste heat recovery system
CN103900387B (en) * 2014-04-10 2015-12-30 天津华能北方热力设备有限公司 The residual neat recovering system of glass furnace

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