CN203479030U - Melting furnace chimney with waste heat recovery structure - Google Patents
Melting furnace chimney with waste heat recovery structure Download PDFInfo
- Publication number
- CN203479030U CN203479030U CN201320624605.9U CN201320624605U CN203479030U CN 203479030 U CN203479030 U CN 203479030U CN 201320624605 U CN201320624605 U CN 201320624605U CN 203479030 U CN203479030 U CN 203479030U
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- China
- Prior art keywords
- melting furnace
- hot
- radiating tube
- outer tube
- tube
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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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
- 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
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- Chimneys And Flues (AREA)
Abstract
The utility model provides a melting furnace chimney with a waste heat recovery structure. The melting furnace chimney comprises a heat exchanger (1) and a smoke pipe (2). The heat exchanger is an interlayer sleeve pipe formed by a heat dissipation pipe and an outer sleeve pipe, a gap is formed between the heat dissipation pipe and the outer sleeve pipe and called as a heat exchange channel, the upper portion of the outer sleeve pipe is provided with a cold air inlet communicated with the heat exchange channel, the lower portion of the outer sleeve pipe is provided with a hot air outlet communicated with the heat exchange channel, and the heat exchanger is used for recovering hot flue gas waste heat to generate hot air for boosting combustion. The defect of large fuel consumption in the prior art is overcome, fuel consumption of a meting furnace is lowered, and the temperature of a combustion chamber is improved.
Description
Technical field
The utility model relates to a kind of chimney, specifically refers to for melting furnace discharge flue gas, and utilizes fume afterheat to produce a kind of melting furnace chimney that is provided with waste heat recovery structure of combustion-supporting hot blast.
Background technology
Melting furnace is for the smelting furnace of melted alloy material in liquid alloy die cast, the melting furnace chimney of prior art directly by the fume emission of melting furnace to atmosphere, in the red-hot flue gas of melting furnace, available heat energy has also directly been discharged thereupon, and meanwhile, during melting furnace work, need air blast combustion-supporting, the cold wind blasting can reduce the temperature of combustion chamber, thereby increase fuel consumption, if can utilize the waste heat of red-hot flue gas to produce, blast the combustion-supporting hot blast of melting furnace, to be conducive to reduce fuel consumption, improve the temperature of combustion chamber; Due to prior art melting furnace chimney do not possess the function that waste heat recovery produces hot blast, therefore, there are the problems and shortcomings that fuel consumption is large in the melting furnace of prior art.
Summary of the invention
The problems and shortcomings that exist for above-mentioned prior art, the utility model adopts the device consisting of heat exchanger, smoke pipe, wherein, the interlayer sleeve pipe of heat exchanger for being formed by radiating tube and outer tube, between radiating tube and outer tube, be provided with gap and be called hot switching path, the top of outer tube is provided with the cold wind import communicating with described hot switching path, and the bottom of outer tube is provided with the hot-blast outlet communicating with described hot switching path, and the interior tube chamber of radiating tube is called heat absorption flue, smoke pipe is steel cylinder sheet-metal duct, smoke pipe be fixedly connected on heat exchanger above and communicate with the upper end of described heat absorption flue, the heat absorption lower end of flue and the flue of melting furnace are connected and communicate, cold wind import is connected and communicates with the collection wind regulating box of melting furnace, and hot-blast outlet is connected and communicates with the combustion chamber of melting furnace, during work, the red-hot flue gas of melting furnace enters atmosphere through heat absorption flue from smoke pipe by the flue of melting furnace, the cold wind that air blast provides enters hot switching path through collection wind regulating box by cold wind import, and by hot switching path, from hot-blast outlet, blow into combustion chamber from top to bottom, red-hot flue gas is by heat absorption cooling itself radiating tube is heated during flue, cold wind is heated into hot blast for combustion-supporting technical scheme by radiating tube during by hot switching path, a kind of melting furnace chimney that is provided with waste heat recovery structure is provided, being intended to reclaim red-hot fume afterheat by heat exchanger produces for combustion-supporting hot blast, make melting furnace reach reduction fuel consumption, improve the object of chamber temperature.
The purpose of this utility model is achieved in that a kind of melting furnace chimney that is provided with waste heat recovery structure, comprise heat exchanger, smoke pipe, wherein: the interlayer sleeve pipe of described heat exchanger for being formed by radiating tube and outer tube, described radiating tube is the cylinder-shaped thin wall steel pipe that upper and lower two ends are provided with rectangular flange flange, on the outer cylinder of radiating tube, be laid with some protrusions and the convex tendon parallel with central axis be called heat radiation convex tendon, the interior lumen of radiating tube is called heat absorption flue;
Described outer tube is the pipeline of the flame-proof thermal insulation material matter of hollow, rectangle column, radiating tube is positioned at the center of outer tube, radiating tube is connected by the flange of described upper and lower two ends and the two end sealings up and down of outer tube, between the outer wall of radiating tube and the inwall of outer tube, be provided with gap and be called hot switching path, the top of outer tube is provided with the interface communicating with described hot switching path and is called cold wind import, and the bottom of outer tube is provided with the interface communicating with described hot switching path and is called hot-blast outlet;
Described smoke pipe is steel cylinder sheet-metal duct;
Smoke pipe be fixedly connected on heat exchanger above and communicate with the upper end of described heat absorption flue, the heat absorption lower end of flue and the flue of melting furnace are connected and communicate, cold wind import is connected and communicates with the collection wind regulating box of melting furnace, and hot-blast outlet is connected and communicates with the combustion chamber of melting furnace.
Operation principle and beneficial effect
During work, the red-hot flue gas of melting furnace enters atmosphere through heat absorption flue from smoke pipe by the flue of melting furnace, this process, and red-hot flue gas and radiating tube generation heat exchange, red-hot flue gas is cooling by radiating tube, and radiating tube is by red-hot flue gas; Meanwhile, the cold wind that air blast provides enters hot switching path through collection wind regulating box by cold wind import, and by hot switching path, from hot-blast outlet, blow into combustion chamber from top to bottom, this process, cold wind and radiating tube generation heat exchange, radiating tube is cooling by cold wind, and cold wind is heated into hot blast by radiating tube, is delivered to combustion chamber for combustion-supporting.
This device reclaims red-hot fume afterheat by heat exchanger and produces for combustion-supporting hot blast, makes melting furnace reduce fuel consumption, has improved chamber temperature.
Useful design is expanded
The smoke pipe of this device also can be steel rectangular thin-wall pipeline, and outer tube also can be columniform hollow pipeline.
Above-mentioned, the utility model adopts the device consisting of heat exchanger, smoke pipe, wherein, the interlayer sleeve pipe of heat exchanger for being formed by radiating tube and outer tube, between radiating tube and outer tube, be provided with gap and be called hot switching path, the top of outer tube is provided with the cold wind import communicating with described hot switching path, and the bottom of outer tube is provided with the hot-blast outlet communicating with described hot switching path, and the interior tube chamber of radiating tube is called heat absorption flue, smoke pipe is steel cylinder sheet-metal duct, smoke pipe be fixedly connected on heat exchanger above and communicate with the upper end of described heat absorption flue, the heat absorption lower end of flue and the flue of melting furnace are connected and communicate, cold wind import is connected and communicates with the collection wind regulating box of melting furnace, and hot-blast outlet is connected and communicates with the combustion chamber of melting furnace, during work, the red-hot flue gas of melting furnace enters atmosphere through heat absorption flue from smoke pipe by the flue of melting furnace, the cold wind that air blast provides enters hot switching path through collection wind regulating box by cold wind import, and by hot switching path, from hot-blast outlet, blow into combustion chamber from top to bottom, red-hot flue gas is by heat absorption cooling itself radiating tube is heated during flue, cold wind is heated into hot blast for combustion-supporting technical scheme by radiating tube during by hot switching path, overcome prior art and had the problems and shortcomings that fuel consumption is large, a kind of melting furnace chimney that is provided with waste heat recovery structure providing, by heat exchanger, reclaiming red-hot fume afterheat produces for combustion-supporting hot blast, make melting furnace reach reduction fuel consumption, improve the object of chamber temperature.
Accompanying drawing explanation
Fig. 1 is that a kind of melting furnace chimney that is provided with waste heat recovery structure of the present utility model is looked sectional structure schematic diagram with the master of application melting furnace;
Fig. 2 is the schematic top plan view of Fig. 1;
Fig. 3 is the schematic diagram of the application melting furnace of a kind of melting furnace chimney that is provided with waste heat recovery structure of the present utility model.
Below in conjunction with the embodiment in accompanying drawing, the utility model is described in further detail, but should not be construed as any restriction of the present utility model.
In figure: heat exchanger 1, radiating tube 11, heat radiation convex tendon 111, outer tube 12, cold wind import 13, hot-blast outlet 14, hot switching path 15, heat absorption flue 16, smoke pipe 2, melting furnace 01, heating clamber 02, crucible 03, flame channel 04, flue 05, combustion chamber 06, air blast 07, collection wind regulating box 08, fuel batcher 09.
The specific embodiment
Consult Fig. 1～Fig. 3, a kind of melting furnace chimney that is provided with waste heat recovery structure of the present utility model, comprise heat exchanger 1, smoke pipe 2, wherein: the interlayer sleeve pipe of described heat exchanger 1 for being formed by radiating tube 11 and outer tube 12, described radiating tube 11 is the cylinder-shaped thin wall steel pipe that upper and lower two ends are provided with rectangular flange flange, on the outer cylinder of radiating tube 11, be laid with some protrusions and the convex tendon parallel with central axis be called heat radiation convex tendon 111, the interior lumen of radiating tube 11 is called heat absorption flue 16;
Described outer tube 12 is the pipeline of the flame-proof thermal insulation material matter of hollow, rectangle column, radiating tube 11 is positioned at outer tube 12 center, radiating tube 11 is connected by the flange of described upper and lower two ends and the two end sealings up and down of outer tube 12, between the inwall of the outer wall of radiating tube 11 and outer tube 12, be provided with gap and be called hot switching path 15, the top of outer tube 12 is provided with the interface communicating with described hot switching path 15 and is called cold wind import 13, and the bottom of outer tube 12 is provided with the interface communicating with described hot switching path 15 and is called hot-blast outlet 14;
Described smoke pipe 2 is steel cylinder sheet-metal duct;
Operation principle and beneficial effect
During work, the red-hot flue gas of melting furnace 01 enters atmosphere through heat absorption flue 16 from smoke pipe 2 by the flue 05 of melting furnace 01, this process, and red-hot flue gas and radiating tube 11 generation heat exchanges, red-hot flue gas is cooling by radiating tube 11, and radiating tube 11 is by red-hot flue gas; Meanwhile, the cold wind that air blast 07 provides enters hot switching path 15 through collection wind regulating box 08 by cold wind import 13, and by hot switching path 15, from hot-blast outlet 14, blow into combustion chamber 06 from top to bottom, this process, there is heat exchange in cold wind and radiating tube 11, radiating tube 11 is cooling by cold wind, and cold wind is heated into hot blast by radiating tube 11, is delivered to combustion chamber 06 for combustion-supporting.
This device reclaims red-hot fume afterheat by heat exchanger 1 and produces for combustion-supporting hot blast, makes melting furnace reduce fuel consumption, has improved chamber temperature.
Useful design is expanded
The smoke pipe 2 of this device also can be steel rectangular thin-wall pipeline, and outer tube 12 also can be columniform hollow pipeline.
Claims (1)
1. a melting furnace chimney that is provided with waste heat recovery structure, comprise heat exchanger (1), smoke pipe (2), it is characterized in that: the interlayer sleeve pipe of described heat exchanger (1) for being formed by radiating tube (11) and outer tube (12), described radiating tube (11) is the cylinder-shaped thin wall steel pipe that upper and lower two ends are provided with rectangular flange flange, on the outer cylinder of radiating tube (11), be laid with some protrusions and the convex tendon parallel with central axis be called heat radiation convex tendon (111), the interior lumen of radiating tube (11) is called heat absorption flue (16);
Described outer tube (12) is hollow, the pipeline of the flame-proof thermal insulation material matter of rectangle column, radiating tube (11) is positioned at the center of outer tube (12), radiating tube (11) is connected by the flange of described upper and lower two ends and the two end sealings up and down of outer tube (12), between the inwall of the outer wall of radiating tube (11) and outer tube (12), be provided with gap and be called hot switching path (15), the top of outer tube (12) is provided with the interface communicating with described hot switching path (15) and is called cold wind import (13), the bottom of outer tube (12) is provided with the interface communicating with described hot switching path (15) and is called hot-blast outlet (14),
Described smoke pipe (2) is steel cylinder sheet-metal duct; Smoke pipe (2) be fixedly connected on heat exchanger (1) above and communicate with the upper end of described heat absorption flue (16), the lower end of heat absorption flue (16) is connected and communicates with the flue (05) of melting furnace (01), cold wind import (13) is connected and communicates with the collection wind regulating box (08) of melting furnace (01), and hot-blast outlet (14) is connected and communicates with the combustion chamber (06) of melting furnace (01).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320624605.9U CN203479030U (en) | 2013-09-25 | 2013-09-25 | Melting furnace chimney with waste heat recovery structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320624605.9U CN203479030U (en) | 2013-09-25 | 2013-09-25 | Melting furnace chimney with waste heat recovery structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203479030U true CN203479030U (en) | 2014-03-12 |
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ID=50227347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320624605.9U Withdrawn - After Issue CN203479030U (en) | 2013-09-25 | 2013-09-25 | Melting furnace chimney with waste heat recovery structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203479030U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486871A (en) * | 2013-09-25 | 2014-01-01 | 宁波佳比佳工贸有限公司 | Melting furnace chimney with waste heat recovery structure |
-
2013
- 2013-09-25 CN CN201320624605.9U patent/CN203479030U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486871A (en) * | 2013-09-25 | 2014-01-01 | 宁波佳比佳工贸有限公司 | Melting furnace chimney with waste heat recovery structure |
| CN103486871B (en) * | 2013-09-25 | 2015-11-25 | 宁波佳比佳工贸有限公司 | Melting furnace chimney with waste heat recovery structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20151125 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20151125 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |