CN108955285A - A kind of residual heat using device of industrial furnace - Google Patents
A kind of residual heat using device of industrial furnace Download PDFInfo
- Publication number
- CN108955285A CN108955285A CN201810776365.1A CN201810776365A CN108955285A CN 108955285 A CN108955285 A CN 108955285A CN 201810776365 A CN201810776365 A CN 201810776365A CN 108955285 A CN108955285 A CN 108955285A
- Authority
- CN
- China
- Prior art keywords
- pipe
- smoke
- waste heat
- boiler
- heat boiler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
- F27D2017/006—Systems for reclaiming waste heat using a boiler
-
- 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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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a kind of residual heat using devices of industrial furnace, including smoke-intake pipe, one end of the smoke-intake pipe is connected with gravitational precipitator, and smoke-intake pipe is internally provided with into water bend pipe, the outside of the heat exchanger is connected with return pipe close to the top of water inlet bend pipe, and one end of the curved connecting leg is provided with waste heat boiler, is provided with the second gate valve on the inside of the curved connecting leg, it is provided with the first gate valve on the inside of the medium temperature smoke exhaust pipe, is provided with check-valves on the inside of the low-temperature smoke extraction pipe.Invention is scientific and reasonable for structure, it is safe and reliable, it is provided with gravitational precipitator, it is possible to reduce the dust quantity in flue gas is provided with into water bend pipe, boiler can be heated, it is provided with the second gate valve, flue gas can be prevented to go successively to inside waste heat boiler after waste heat boiler failure, it is provided with check-valves, can prevent external air from flowing back into the inside of waste heat boiler by low-temperature smoke extraction pipe.
Description
Technical field
The present invention relates to heat recovery technology field, specially a kind of residual heat using device of industrial furnace.
Background technique
During industrial production, generally existing residual heat resources, especially in metallurgy, chemical industry, petroleum, building materials, glass, make
The industries such as paper, then industrial waste heat resource rate of recovery in China's is not high.According to statistics, nearly 2/3 waste heat is not utilized, in work
A large amount of energy is consumed in industry field, final major part is all discharged in the form of hot water, hot cigarette, and the present invention is a kind of work
The residual heat using device of industry furnace.
But residual heat using device currently on the market has the disadvantage that and is not provided with gravitational precipitator, not can be reduced
Dust quantity in flue gas is not provided with into water bend pipe, cannot heat to boiler, is not provided with the second gate valve, cannot
After waste heat boiler failure, prevents flue gas from going successively to inside waste heat boiler, be not provided with check-valves, outside cannot be prevented
Air the inside of waste heat boiler is flowed back by low-temperature smoke extraction pipe, so devise a kind of residual heat using device of industrial furnace.
Summary of the invention
The present invention provides a kind of residual heat using device of industrial furnace, can effectively solve mentioned above in the background art not having
There is setting gravitational precipitator, not can be reduced the dust quantity in flue gas, is not provided with into water bend pipe, boiler cannot be added
Heat is not provided with the second gate valve, flue gas cannot be prevented to go successively to inside waste heat boiler, do not had after waste heat boiler failure
There is setting check-valves, cannot prevent external air from flowing back into the problem of the inside of waste heat boiler by low-temperature smoke extraction pipe.
To achieve the above object, the invention provides the following technical scheme: a kind of residual heat using device of industrial furnace, including into
Smoke pipe, one end of the smoke-intake pipe are connected with gravitational precipitator, and smoke-intake pipe is internally provided with into water bend pipe, and the water inlet is curved
The top inner side of pipe is respectively connected with heat exchanger, and the bottom end for bend pipe of intaking is connected with cold water storage cistern, the external setting of the heat exchanger
There is boiler, and the outside of heat exchanger is connected with return pipe close to the top of water inlet bend pipe, the top of the gravitational precipitator is set
It is equipped with curved connecting leg, the top of the curved connecting leg is provided with medium temperature smoke exhaust pipe, and one end of curved connecting leg is provided with waste heat boiler, described
It is provided with the second gate valve on the inside of curved connecting leg, the first gate valve is provided on the inside of the medium temperature smoke exhaust pipe, the waste heat boiler
Top is provided with low-temperature smoke extraction pipe, and the bottom end of waste heat boiler is provided with sewage draining exit, is provided on the inside of the low-temperature smoke extraction pipe
Check-valves.
As a preferred technical solution of the present invention, the bottom end of the return pipe is located at the inside of smoke-intake pipe, and return water
The bottom end of pipe is fixedly connected with one end of water inlet bend pipe.
As a preferred technical solution of the present invention, non-return valve is provided on the inside of the return pipe.
As a preferred technical solution of the present invention, the top and bottom end of the smoke-intake pipe open up hole, described
Smoke-intake pipe is fixedly connected with water inlet bend pipe by hole.
As a preferred technical solution of the present invention, the top of the gravitational precipitator is provided with flange, the gravity
Deduster is fixedly connected with curved connecting leg by flange.
As a preferred technical solution of the present invention, the waste heat boiler is fixedly connected with external steam turbine generator.
Compared with prior art, the present invention provides a kind of residual heat using device of industrial furnace, have it is following the utility model has the advantages that
1, the present invention removes the most solid particulate dust in flue gas by gravitational precipitator, and it is direct to avoid flue gas
The inside of waste heat boiler is flowed into, a large amount of dust is gathered in the inside of waste heat boiler, causes sewage draining exit blowdown unsmooth, to cause
The working efficiency of waste heat boiler is low, improves the recovery efficiency of waste heat.
2, the present invention by cold water storage cistern to cold water is passed through inside water inlet bend pipe, intake by smoke-intake pipe heating curved by high-temperature flue gas
Cold water inside pipe after cold water heating, then exchanges to heat inside boiler by heat exchanger, adds the water in boiler
Heat, and the temperature after heat exchange of the water in bend pipe of intaking reduces, and is back flowed back by return pipe into water bend pipe, it can be hot water
The water heated in case, leads to dormitory, publilc baths, provides hot water for employee, and the high-temperature flue gas after water inlet bend pipe cooling becomes
For medium temperature flue gas, gravitational precipitator is continued through, flows into the inside of waste heat boiler, hot steam is generated by waste heat boiler, is outer
The steam-driven generator in portion provides power, improves the efficiency of UTILIZATION OF VESIDUAL HEAT IN.
3, the present invention controls the circulating direction of flue gas by the first gate valve and the second gate valve, break down when waste heat boiler or
When needing to overhaul, the second gate valve is closed, the first gate valve is opened and then passes through gravity after high-temperature flue gas is by water inlet bend pipe heat absorption
It, can be when waste heat boiler breaks down or overhauls, as far as possible more than reduction after deduster dedusting, then from the discharge of medium temperature smoke exhaust pipe
The waste of thermal resource improves the practicability of residual heat using device.
4, the present invention by check-valves is smoothly discharged the low-temperature flue gas after waste heat boiler, and the cold air of outside without
Method is flowed back into inside waste heat boiler by low-temperature smoke extraction pipe, improves the working efficiency of waste heat boiler.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.
In the accompanying drawings:
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the cross-sectional view of smoke-intake pipe of the present invention；
Figure label: 1, smoke-intake pipe；2, return pipe；3, heat exchanger；4, boiler；5, cold water storage cistern；6, water inlet bend pipe；7, again
Inertia force precipitator；8, curved connecting leg；9, the first gate valve；10, high-temperature smoke discharging pipe；11, the second gate valve；12, low-temperature smoke extraction pipe；13, non-return
Valve；14, waste heat boiler；15, sewage draining exit.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Embodiment: referring to Fig.1-2, the present invention provides a kind of technical solution, a kind of residual heat using device of industrial furnace, including
Smoke-intake pipe 1, one end of smoke-intake pipe 1 are connected with gravitational precipitator 7, and smoke-intake pipe 1 is internally provided with into water bend pipe 6, bend pipe 6 of intaking
Top inner side be respectively connected with heat exchanger 3, the bottom end of water inlet bend pipe 6 is connected with cold water storage cistern 5, and the outside of heat exchanger 3 is provided with heat
The outside of water tank 4, heat exchanger 3 is connected with return pipe 2 close to the top of water inlet bend pipe 6, and the top of gravitational precipitator 7 is provided with curved
Connecting leg 8, the top of curved connecting leg 8 are provided with medium temperature smoke exhaust pipe 10, and one end of curved connecting leg 8 is provided with waste heat boiler 14, curved connecting leg 8
Inside is provided with the second gate valve 11, and the inside of medium temperature smoke exhaust pipe 10 is provided with the first gate valve 9, and the top of waste heat boiler 14 is provided with
Low-temperature smoke extraction pipe 12, the bottom end of waste heat boiler 14 are provided with sewage draining exit 15, and the inside of low-temperature smoke extraction pipe 12 is provided with check-valves 13.
In order to flow into the water in return pipe 2 in water inlet bend pipe 6, in the present embodiment, it is preferred that the bottom end position of return pipe 2
In the inside of smoke-intake pipe 1, the bottom end of return pipe 2 is fixedly connected with one end of water inlet bend pipe 6.
The water intake in bend pipe 6 in order to prevent flows into return pipe 2, in the present embodiment, it is preferred that the inside of return pipe 2
It is provided with non-return valve.
In order to fix water inlet bend pipe 6, in the present embodiment, it is preferred that the top and bottom end of smoke-intake pipe 1 open up hole,
Smoke-intake pipe 1 is fixedly connected with water inlet bend pipe 6 by hole.
In order to remove the solid dust in flue gas, in the present embodiment, it is preferred that the top of gravitational precipitator 7 is provided with method
Orchid, gravitational precipitator 7 are fixedly connected with curved connecting leg 8 by flange.
In order to provide power to external steam-driven generator, in the present embodiment, it is preferred that waste heat boiler 14 and external vapour
Turbine generator is fixedly connected.
The principle of the present invention and process for using: one end of smoke-intake pipe 1 is connected with gravitational precipitator 7, passes through gravitational precipitator 7
The most solid particulate dust in flue gas is removed, the inside that flue gas flows directly into waste heat boiler 14 is avoided, a large amount of ash
Dirt is gathered in the inside of waste heat boiler 14, causes 15 blowdown of sewage draining exit unsmooth, to cause the working efficiency of waste heat boiler 14
Lowly, smoke-intake pipe 1 is internally provided with into water bend pipe 6, by cold water storage cistern 5 to being passed through cold water, high-temperature flue gas inside water inlet bend pipe 6
The cold water inside water inlet bend pipe 6 is heated by smoke-intake pipe 1, after cold water heats, then heat is exchanged to by heat exchanger 3 by boiler
Inside 4, heat the water in boiler 4, and the water intake in bend pipe 6 temperature after heat exchange reduces, again by return pipe 2
It flows into water inlet bend pipe 6, the water of the inner heating of boiler 4 can be led to dormitory, publilc baths, provide hot water for employee, pass through
High-temperature flue gas after water inlet bend pipe 6 cools down becomes medium temperature flue gas, continues through gravitational precipitator 7, flows into the interior of waste heat boiler 14
Portion generates hot steam by waste heat boiler 14, and the steam-driven generator for outside provides power, and the inside of curved connecting leg 8 is provided with the
Two gate valves 11 control the circulating direction of flue gas by the first gate valve 8 and the second gate valve 11, when waste heat boiler 14 breaks down or needs
When overhauling, the second gate valve 11 is closed, the first gate valve 9 is opened and then passes through weight after high-temperature flue gas is absorbed heat by water inlet bend pipe 6
It, can be when waste heat boiler 14 breaks down or overhauls, as far as possible after 7 dedusting of inertia force precipitator, then from the discharge of medium temperature smoke exhaust pipe 10
Reduction residual heat resources waste, the inside of low-temperature smoke extraction pipe 12 is provided with check-valves 13, is made by check-valves 13 by waste heat
Low-temperature flue gas after boiler 14 is smoothly discharged, and external cold air can not flow back into waste heat boiler 14 by low-temperature smoke extraction pipe 12
It is internal.
Finally, it should be noted that being not intended to restrict the invention the foregoing is merely preferred embodiment of the invention, to the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, for those skilled in the art, still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in guarantor of the invention
Within the scope of shield.
Claims (6)
1. a kind of residual heat using device of industrial furnace, including smoke-intake pipe (1), it is characterised in that: one end of the smoke-intake pipe (1) connects
It is connected to gravitational precipitator (7), and smoke-intake pipe (1) is internally provided with into water bend pipe (6), in the top of water inlet bend pipe (6)
Side is respectively connected with heat exchanger (3), and the bottom end of water inlet bend pipe (6) is connected with cold water storage cistern (5), and the outside of the heat exchanger (3) is set
It is equipped with boiler (4), and the outside of heat exchanger (3) is connected with return pipe (2), the gravity close to the top of water inlet bend pipe (6)
The top of deduster (7) is provided with curved connecting leg (8), and the top of the curved connecting leg (8) is provided with medium temperature smoke exhaust pipe (10), and curved company
One end of pipe (8) is provided with waste heat boiler (14), is provided with the second gate valve (11), the medium temperature on the inside of the curved connecting leg (8)
It being provided on the inside of smoke exhaust pipe (10) the first gate valve (9), the top of the waste heat boiler (14) is provided with low-temperature smoke extraction pipe (12),
And the bottom end of waste heat boiler (14) is provided with sewage draining exit (15), is provided with check-valves on the inside of the low-temperature smoke extraction pipe (12)
(13)。
2. a kind of residual heat using device of industrial furnace according to claim 1, it is characterised in that: the return pipe (2)
Bottom end is located at the inside of smoke-intake pipe (1), and the bottom end of return pipe (2) is fixedly connected with one end of water inlet bend pipe (6).
3. a kind of residual heat using device of industrial furnace according to claim 1, it is characterised in that: the return pipe (2)
Inside is provided with non-return valve.
4. a kind of residual heat using device of industrial furnace according to claim 1, it is characterised in that: the smoke-intake pipe (1)
Top and bottom end open up hole, and the smoke-intake pipe (1) is fixedly connected with water inlet bend pipe (6) by hole.
5. a kind of residual heat using device of industrial furnace according to claim 1, it is characterised in that: the gravitational precipitator
(7) top is provided with flange, and the gravitational precipitator (7) is fixedly connected with curved connecting leg (8) by flange.
6. a kind of residual heat using device of industrial furnace according to claim 1, it is characterised in that: the waste heat boiler (14)
It is fixedly connected with external steam turbine generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810776365.1A CN108955285A (en) | 2018-07-16 | 2018-07-16 | A kind of residual heat using device of industrial furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810776365.1A CN108955285A (en) | 2018-07-16 | 2018-07-16 | A kind of residual heat using device of industrial furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108955285A true CN108955285A (en) | 2018-12-07 |
Family
ID=64481808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810776365.1A Pending CN108955285A (en) | 2018-07-16 | 2018-07-16 | A kind of residual heat using device of industrial furnace |
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| Country | Link |
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| CN (1) | CN108955285A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926251A (en) * | 2019-11-13 | 2020-03-27 | 黄伟臣 | Energy-saving efficient heat exchanger |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101570807A (en) * | 2009-05-31 | 2009-11-04 | 中冶京诚工程技术有限公司 | Steelmaking converter gas purification and waste heat recovery system |
| CN203518636U (en) * | 2013-07-11 | 2014-04-02 | 北京奥福能源股份有限公司 | Iron alloy submerged arc furnace waste heat power generation system |
| CN206706223U (en) * | 2017-04-28 | 2017-12-05 | 宁夏志新源商贸有限公司 | A kind of device for recycling heat |
| CN207180391U (en) * | 2017-09-25 | 2018-04-03 | 云南曲靖呈钢钢铁（集团）有限公司 | A kind of sintering circular-cooler waste-heat recovery device |
| CN207193330U (en) * | 2017-08-16 | 2018-04-06 | 佛山市东正宏骏金属制品有限公司 | A kind of annealing furnace waste-heat recovery device |
-
2018
- 2018-07-16 CN CN201810776365.1A patent/CN108955285A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101570807A (en) * | 2009-05-31 | 2009-11-04 | 中冶京诚工程技术有限公司 | Steelmaking converter gas purification and waste heat recovery system |
| CN203518636U (en) * | 2013-07-11 | 2014-04-02 | 北京奥福能源股份有限公司 | Iron alloy submerged arc furnace waste heat power generation system |
| CN206706223U (en) * | 2017-04-28 | 2017-12-05 | 宁夏志新源商贸有限公司 | A kind of device for recycling heat |
| CN207193330U (en) * | 2017-08-16 | 2018-04-06 | 佛山市东正宏骏金属制品有限公司 | A kind of annealing furnace waste-heat recovery device |
| CN207180391U (en) * | 2017-09-25 | 2018-04-03 | 云南曲靖呈钢钢铁（集团）有限公司 | A kind of sintering circular-cooler waste-heat recovery device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926251A (en) * | 2019-11-13 | 2020-03-27 | 黄伟臣 | Energy-saving efficient heat exchanger |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181207 |