CN106643189A - Waste heat recovery device for industrial smelting and heating equipment - Google Patents
Waste heat recovery device for industrial smelting and heating equipment Download PDFInfo
- Publication number
- CN106643189A CN106643189A CN201611121038.XA CN201611121038A CN106643189A CN 106643189 A CN106643189 A CN 106643189A CN 201611121038 A CN201611121038 A CN 201611121038A CN 106643189 A CN106643189 A CN 106643189A
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- China
- Prior art keywords
- heat
- layer
- separation layer
- recovery device
- heat conduction
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- 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
- F27D17/004—Systems for reclaiming waste heat
- F27D2017/007—Systems for reclaiming waste heat including regenerators
-
- 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
Abstract
The invention relates to a waste heat recovery device for industrial smelting and heating equipment. The waste heat recovery device for the industrial smelting and heating equipment comprises a heat conduction and isolation layer arranged outside an equipment furnace body, an external thermal insulation layer arranged outside the heat conduction and isolation layer, an air supply system, heat exchangers and an air induction system; the heat conduction and isolation layer and the external thermal insulation layer are provided with exhaust ports; the exhaust ports, an exhaust port of the furnace body, an exhaust channel between the heat conduction and isolation layer and the furnace body and an exhaust channel between the heat conduction and isolation layer and the external thermal insulation layer form a roundabout and reciprocating channel; the air supply system comprises an air pipe mostly arranged in the heat conduction and isolation layer, wherein an air inlet of the air pipe is connected to the atmosphere, and an air outlet of the air pipe is connected to an air inlet of an equipment heating device; the heat exchangers are transversely arranged in the gaps of the air pipe of the air supply system; and the air induction system is connected to the exhaust port of the external thermal insulation layer. According to the waste heat recovery device for the industrial smelting and heating equipment, the exhaust emission temperature can be effectively lowered, and the influence on surroundings can be reduced.
Description
Technical field
The present invention relates to the waste-heat recovery device of industry smelting and firing equipment.
Background technology
General industry melting and firing equipment high-temperature flue gas produced in the course of the work are all directly arranged to exhaust-gas treatment
Exhaust-gas treatment is carried out in facility, will scatter and disappear substantial amounts of heat in processing procedure, not only pollute environment and the destruction ecological balance, also made
Into substantial amounts of energy waste.Require that exhaust-gas treatment facilities have reasonable heat-resisting and blowdown performance simultaneously, undoubtedly will increase
Plus processing cost, and overall filth-discharging effect is poor, the overall price of equipment is also costly.In addition, current smelting furnace outer wall is protected
Warm nature can be poor, and substantial amounts of heat is scattered and disappeared away by outer wall, similarly affects environment and thermal loss larger.
The content of the invention
For problems of the prior art and deficiency, the present invention provides the waste heat of a kind of industry smelting and firing equipment
Retracting device.The device can be reclaimed the waste heat in waste gas, is reentered in firing equipment and is utilized, and be not only able to section
Can, and reduce exhaust emission.
To achieve these goals, the technical solution used in the present invention is：Industry smelting and the waste heat recovery of firing equipment
Device, including the heat conduction separation layer being arranged on outside equipment body of heater and the external thermal insulation being arranged on outside heat conduction separation layer, send
Wind system, heat exchanger, induced draught system；Described heat conduction separation layer and external thermal insulation is equipped with exhaust outlet；Described exhaust outlet with
The exhaust outlet of body of heater and the row between the exhaust passage between heat conduction separation layer and body of heater, heat conduction separation layer and external thermal insulation
Gas passage collectively forms roundabout reciprocal exhaust passage；Described supply air system includes that major part is arranged in heat conduction separation layer
Airduct, the air inlet connection air of the airduct, air outlet is connected with the air inlet of equipment heater；Heat exchanger is horizontally installed on
The airduct gap location of supply air system；Induced draught system is connected with the exhaust outlet of external thermal insulation.
Described heat conduction separation layer is individual layer or two-layer above structure；Separation layer more than two-layer, adjacent separation layer it
Between be designed with exhaust passage, and every layer of separation layer arrange vent position it is in opposite direction.
Described heat exchanger is made up of heat pipe and the metal fin being laterally distributed on heat pipe.
Porous thermal energy storage material is distributed with described metal fin.
Described furnace body outer wall is laid in the protective layer of organic and/or inorganic materials, protective layer doped with metal heat-conducting particulate.
The thermal conductive material layer in strip projected parts of vertical direction is laid on furnace wall and the inside and outside wall of separation layer.
The industry smelting of the present invention and the waste-heat recovery device of firing equipment, can effectively reduce the temperature of waste gas discharge,
The impact to surrounding environment is reduced, while the waste heat in waste gas can also be made full use of, and the pollution such as dust is substantially reduced, is had
Obvious save energy and the double action improved the ecological environment.
Description of the drawings
Fig. 1 is the main view cross-sectional schematic of the waste-heat recovery device of industry smelting of the invention and firing equipment.
Fig. 2 is the main view cross-sectional schematic of double-deck heat conduction separation layer in embodiment.
Fig. 3 is the structural representation of the supply air system of the present invention.
Fig. 4 is the structural representation of the high-performance heat exchanger of apparatus of the present invention.
Specific embodiment
Smelt with reference to the industry of embodiment and accompanying drawing to the present invention and the waste-heat recovery device of firing equipment makees detailed
Explanation and elaboration.
From in Fig. 1 and Fig. 3, the industry of the present invention smelt and firing equipment waste-heat recovery device, including covering in stove
The heat conduction separation layer 30 of the outside of body 10, the separation layer 30 arranges exhaust outlet, also including the outer guarantor for covering in the outside of heat conduction separation layer 30
Warm layer 20, the external thermal insulation 20 is provided with exhaust outlet；Smelting furnace exhaust outlet 11, separation layer exhaust outlet 31, external thermal insulation exhaust outlet 21, with
And folded first exhaust passage 41 between separation layer 30 and body of heater 10 and external thermal insulation 20, the 3rd exhaust passage 43 constitute it is roundabout
Reciprocal exhaust passage 40.The device also includes supply air system 50, the supply air system 50 including major part be arranged at heat conduction every
Airduct 51 and the air blast 52 for gas circulation in absciss layer 30, airduct 51 is spiral coil.The air inlet of the airduct 51
Mouth connection air, the air inlet of the heater of air outlet connection smelting furnace（Heater is the original structure of equipment, not in figure
Illustrate）.Supply air system is sent in cold wind in the device of the present invention, and by heat exchange the heat in waste gas is absorbed, and becomes hot blast, then
Send hot blast back to heater, for plus hot smelting before material, so as to reach the purpose of heat recovery.
From in Fig. 2, heat conduction separation layer 30 includes the first separation layer 32 and the second separation layer 33, the first separation layer 32 with
Second exhaust passage 42, the separation layer 33 of first row gas port 311 and second of the first separation layer 32 are left between second separation layer 33
Second exhaust port 312 locality it is contrary.One top for being arranged on separation layer, a bottom for being arranged on separation layer.
As shown in Fig. 2 being horizontally arranged with a number of high-performance heat exchanger 53, the high efficient heat exchanging in each separation layer
Device is located at the gap location of the airduct 51 of supply air system.As shown in figure 4, high-performance heat exchanger 53 includes heat pipe 54 and is horizontally installed on
Many metal fins outside heat pipe, heat pipe is divided into endotherm section and radiating segment；Metal fin is divided into heat absorbing fins 55 and dissipates
Hot fin 56；Heat absorbing fins 55 are distributed in endotherm section, and radiating fin is distributed in radiating segment.Many tools are distributed with heat absorbing fins 55
There is the porous thermal energy storage material 57 of high thermal conductivity, thermal energy storage material 59 is bonded in heat conduction wing by special conducting adhesive material
On piece, heat absorbing fins are distributed in exhaust passage, and radiating fin is distributed in inside body of heater 10.The effect of this high-performance heat exchanger,
It is mainly used to fully absorb the heat in the hot blast passed through in exhaust passage, Jing thermal energy storage materials first store heat laggard
Enter heat pipe, then stage by stage imported heat energy in burner hearth by heat pipe, recycle.
The thermal energy storage material of the present embodiment, in addition to significant heat is absorbed, can also effectively be detained and be discharged with absorption
Dust and pollutant in waste gas.The waste gas that high-speed and high-temperature is discharged from burner hearth is entered behind the larger exhaust passage of space,
Flow velocity is significantly slack-off, and while heat in being conducive to fully absorbing waste gas, also big portion is trapped in heat to a large amount of dust with pollutant
The gap of material can be stored or separation layer bottom is deposited in, exhaust emission is significantly reduced.All thermal energy storage materials it is interior
Kong Jun states in vertical direction, on the one hand favourable waste gas pass through, be also beneficial to the attachment of dust and pollutant and come off, meanwhile,
It is also beneficial in periodic cleaning, it is easy to make high-speed air flow take away residual dust and pollutant.
The induced draught system of the present embodiment is two air-introduced machines 56, is connected with external thermal insulation exhaust outlet 21, by the gas after process
Body is discharged by chimney.
The industry smelting of the present embodiment and the waste-heat recovery device of firing equipment, on furnace wall and each separation layer inside and outside wall
The thermal conductive material layer in strip projected parts of vertical direction is laid, can be also functioned to promote powder in assist absorption waste heat with during
Dirt adheres to and drops to the effect of bottom with pollutant, meanwhile, it is also beneficial to when equipment carries out periodic cleaning, it is easy to make cleaning
When high-speed air flow take away residual dust and pollutant.
In the industry smelting of the present invention and the waste-heat recovery device of firing equipment, separation layer is more, and waste heat recovery efficiency is got over
Height, but also can therewith increase cost, pros and cons selection should be carried out in the specific implementation.In the present embodiment, two-layer isolation is provided with altogether
Layer, leaves exhaust passage between the two-layer separation layer, every layer of separation layer is equipped with respective exhaust outlet, is vented by internal layer separation layer
The gas that mouth is discharged is flowed through and reach behind middle exhaust passage outer layer separation layer exhaust outlet.In order to extend gas in an exhaust gas
Stroke, in an exhaust gas residence time is longer conversely, can so make gas for the vent position of inside and outside separation layer,
The heat in gas is set fully to reclaim.The wallboard of separation layer is made up of Heat Conduction Material.
In the present embodiment, the protective layer 12 of organic and/or inorganic materials is also laid in the outside of body of heater 10, doped with gold in protective layer 12
Category conductive particles 13.Lay protective layer 12 in the outer surface of body of heater 10, body of heater can be protected, it is to avoid waste gas to the corrosion of body of heater and
Body of heater produces oxidation, increases the service life.Metal heat-conducting particulate 13 is added in protective layer, heat-conducting effect is effectively improved, favorably
In the energy-saving efficiency for improving heat exchanging pipe and heat exchanger system, the shock resistance of protective layer can also be effectively increased.
The industry of the present invention is smelted and the operation principle of waste-heat recovery device of firing equipment is：It is useless in smelting furnace body of heater 10
Gas, first passes around the first exhaust passage 41 that smelting furnace exhaust outlet 11 is expelled between separation layer 30 and body of heater 10, through being distributed in
Send in body of heater after the fully absorbing of high-performance heat exchanger 53 in exhaust passage.Then it is interior by waste heat by the first exhaust passage 41
The airduct 51 in heat conduction separation layer 30 is passed to, heat is absorbed by the cold air in airduct 51.Afterwards waste gas is arranged through separation layer
Gas port 31 is drained in the 3rd exhaust passage 43, after transferring heat to the high-performance heat exchanger in passage, again with separation layer in
Airduct carries out heat exchange, the air-introduced machine 56 being arranged between the outer end of external thermal insulation exhaust outlet 21 and chimney is eventually passed, from both sides
Chimney is discharged.In above-mentioned exhaust process, after heat entrained in waste gas successively absorbs with high-performance heat exchanger, then fully with
Cold air in airduct 51 carries out heat exchange.On the one hand the heat of recovery is introduced directly in body of heater by high-performance heat exchanger, another
Aspect sends into firing equipment by the air outlet of airduct, for plus hot smelting before material.
The industry smelting of the present invention and the waste-heat recovery device of firing equipment, the open exhaust mode of original smelting furnace is changed
For closed exhaust mode, original exhaust outlet is closed with separation layer and external thermal insulation, make waste gas during discharge, must
Exhaust passage that must be between body of heater, separation layer and external thermal insulation, then installs heat exchange coil additional in above-mentioned exhaust passage
And high-performance heat exchanger, the heat in waste gas is sufficiently reserved, for the air inlet of heated material or smelting furnace, reduce energy
While consumption, can also effectively adsorb a large amount of dust and pollutant in waste gas, greatly reduce the composition of conventional blowdown, effectively change
The kind negative effect to atmospheric environment.
Claims (6)
1. industry smelt and firing equipment waste-heat recovery device, it is characterised in that：Including being arranged on leading outside equipment body of heater
Thermal insulation layer and the external thermal insulation being arranged on outside heat conduction separation layer, supply air system, heat exchanger, induced draught system；Described leads
Thermal insulation layer and external thermal insulation are equipped with exhaust outlet；The exhaust outlet and heat conduction separation layer and stove of described exhaust outlet and body of heater
Exhaust passage between body, the exhaust passage between heat conduction separation layer and external thermal insulation collectively form roundabout reciprocal exhaust and lead to
Road；Described supply air system includes that major part is arranged at the airduct in heat conduction separation layer, and the air inlet connection air of the airduct goes out
Air port is connected with the air inlet of equipment heater；Heat exchanger is horizontally installed on the airduct gap location of supply air system；Induced draught system
It is connected with the exhaust outlet of external thermal insulation.
2. it is according to claim 1 industry smelt and firing equipment waste-heat recovery device, it is characterised in that：Described changes
Hot device is made up of heat pipe and the metal fin being laterally distributed on heat pipe.
3. it is according to claim 2 industry smelt and firing equipment waste-heat recovery device, it is characterised in that：Described gold
Porous thermal energy storage material is distributed with category fin.
4. industry smelting according to any one of claim 1-3 and the waste-heat recovery device of firing equipment, it is characterised in that：
Described heat conduction separation layer is individual layer or two-layer above structure；Separation layer more than two-layer, the row of being provided between adjacent separation layer
The vent position arranged on gas passage, and every layer of separation layer is in opposite direction.
5. industry smelting according to any one of claim 1-3 and the waste-heat recovery device of firing equipment, it is characterised in that：
Described furnace body outer wall is laid in organic and/or inorganic materials protective layer, protective layer doped with metal heat-conducting particulate.
6. industry smelting according to any one of claim 1-3 and the waste-heat recovery device of firing equipment, it is characterised in that：
The thermal conductive material layer in strip projected parts of vertical direction is laid on described body of heater furnace wall and the inside and outside wall of heat conduction separation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611121038.XA CN106643189A (en) | 2016-12-08 | 2016-12-08 | Waste heat recovery device for industrial smelting and heating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611121038.XA CN106643189A (en) | 2016-12-08 | 2016-12-08 | Waste heat recovery device for industrial smelting and heating equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106643189A true CN106643189A (en) | 2017-05-10 |
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ID=58820136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611121038.XA Pending CN106643189A (en) | 2016-12-08 | 2016-12-08 | Waste heat recovery device for industrial smelting and heating equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106643189A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207103A (en) * | 2019-04-15 | 2019-09-06 | 周应进 | A kind of combustion furnace the mount of using heat control device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001315126A (en) * | 2000-05-02 | 2001-11-13 | Shogi Cho | Waste recovery treatment system generating no dioxide |
| CN201289316Y (en) * | 2008-05-20 | 2009-08-12 | 杨栋 | Device for recovering exhaust heat of smelting furnance |
| CN202329247U (en) * | 2011-12-05 | 2012-07-11 | 雷镇源 | Waste heat recovery device of industrial kiln |
| CN203534222U (en) * | 2013-09-29 | 2014-04-09 | 郑州大学 | Waste heat recovery device used for high-temperature furnace body in cement plant |
| CN105627765A (en) * | 2014-11-06 | 2016-06-01 | 黔东南州龙达再生能源开发有限责任公司 | Device for recycling waste heat of aluminum melting furnace efficiently |
| CN205607168U (en) * | 2016-04-01 | 2016-09-28 | 日照华亿节能工程有限公司 | Waste heat recovery device of metal smelting smelting pot |
-
2016
- 2016-12-08 CN CN201611121038.XA patent/CN106643189A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001315126A (en) * | 2000-05-02 | 2001-11-13 | Shogi Cho | Waste recovery treatment system generating no dioxide |
| CN201289316Y (en) * | 2008-05-20 | 2009-08-12 | 杨栋 | Device for recovering exhaust heat of smelting furnance |
| CN202329247U (en) * | 2011-12-05 | 2012-07-11 | 雷镇源 | Waste heat recovery device of industrial kiln |
| CN203534222U (en) * | 2013-09-29 | 2014-04-09 | 郑州大学 | Waste heat recovery device used for high-temperature furnace body in cement plant |
| CN105627765A (en) * | 2014-11-06 | 2016-06-01 | 黔东南州龙达再生能源开发有限责任公司 | Device for recycling waste heat of aluminum melting furnace efficiently |
| CN205607168U (en) * | 2016-04-01 | 2016-09-28 | 日照华亿节能工程有限公司 | Waste heat recovery device of metal smelting smelting pot |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207103A (en) * | 2019-04-15 | 2019-09-06 | 周应进 | A kind of combustion furnace the mount of using heat control device |
| CN110207103B (en) * | 2019-04-15 | 2021-08-27 | 周应进 | Heat control device for combustion furnace |
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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: 20170510 |