CN107216887A - Raw coke over gas riser heat exchanger - Google Patents
Raw coke over gas riser heat exchanger Download PDFInfo
- Publication number
- CN107216887A CN107216887A CN201710498739.3A CN201710498739A CN107216887A CN 107216887 A CN107216887 A CN 107216887A CN 201710498739 A CN201710498739 A CN 201710498739A CN 107216887 A CN107216887 A CN 107216887A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- raw coke
- heat
- oil
- flame plate
- 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
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B27/00—Arrangements for withdrawal of the distillation gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0056—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for ovens or furnaces
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention discloses a kind of raw coke over gas riser heat exchanger.Including upper flange, lower flange and the tubular heat-exchanging component being arranged between upper flange and lower flange；The lower flange sets the ring-type of the heat exchanging chamber extension of oriented described tubular heat-exchanging component to hide flame plate, and the smoke inlet diameter of described screening flame plate is more than outlet flue diameter, and the outlet flue edge of described screening flame plate is to being provided centrally with some turbulence blades.The present invention strengthens raw coke oven gas internal mix, improves the convection transfer rate of raw coke oven gas and heat exchanger internal face by hiding the acceleration of flame plate and the rotation of guiding device, it is to avoid raw coke oven gas medium temperature height, and wall surface temperature is low and the wall coking that causes.The present invention avoids the damage of dry combustion method heat exchanging device inwall by built-in sleeve fashion, it is ensured that when boiler circuit is overhauled, coking process can normally be run.
Description
Technical field
The present invention, which is set, is related to a kind of heat-exchanger rig, more particularly to a kind of raw coke over gas riser heat exchanger.
Background technology
Coal oven dithio-gas has taken away in coking process 35% heat, reclaims waste heat of coke oven crude gas and may be such that whole coking
Process energy consumption declines 10% or so, with larger market prospects.When waste heat of coke oven crude gas recovery system is transformed, in coke oven
800 DEG C of the condition of high temperature is still within, now carrying out rising the replacing of heat exchange of heat pipe needs quick progress, otherwise can cause heat exchange
Device dry combustion method and make heat exchanger inside coating destroy.In addition, current rising heat exchange of heat pipe either jacket type or coiled knot
Structure, raw coke oven gas side does not all install any disturbing flow device additional, and heat transfer effect is poor.It is can be found that by analysis：Do not install disturbing flow device additional
The tar ingredients being primarily due in raw coke oven gas composition can condense rapidly when less than 470 DEG C, therefore waste in running
Gas change heater wall surface temperature can not be too low, and otherwise coal tar is after wall condensation, due to the big and attached wall of viscosity, forms more difficult clear
The tar slag removed；When condensed tar is flow to up near heat exchanger import downwards along heat exchanger wall, by carbonization chamber hyperthermia radiation,
Tar twice decomposition, causes wall carbon distribution.
The content of the invention
In view of the above-mentioned problems, present invention offer is a kind of to improve the raw coke over gas riser heat exchanger of heat transfer effect.
To reach above-mentioned purpose, a kind of raw coke over gas riser heat exchanger of the invention, including upper flange, lower flange
And the tubular heat-exchanging component being arranged between upper flange and lower flange；
The lower flange sets the ring-type of the heat exchanging chamber extension of oriented described tubular heat-exchanging component to hide flame plate, described
The smoke inlet diameter for hiding flame plate is more than outlet flue diameter, and the outlet flue edge of described screening flame plate is to being provided centrally with some flow-disturbings
Blade.
Further, the tubular heat-exchanging component include set gradually from inside to outside inner casing, heat exchange element, heat-insulation layer with
And shell, the inner casing and heat exchange element is folded between being incubated into；
The inner casing is circumferentially arranged oil trap, and the cylindrical side wall of the oil trap is contacted with the inner casing, the collection
The bottom of oil groove is provided with some oil outlets, and the screening flame plate is provided with some oil inlets, each oil outlet and oil inlet it
Between be provided with oil guide pipe.
Further, the angular range of the turbulence blades and horizontal direction is 20 °~80 °.
Further, the flame plate side wall and the angular range of horizontal direction of hiding is 30 °~60 °.
Further, the oil outlet is not less than 50mm with the distance of oil inlet vertically.
Further, it is provided with the non-sticky coating of anti-corrosion on the inner casing inwall.
Further, 0.8~0.9 times of the footpath of a diameter of inner casing of outlet flue for hiding flame plate.
Further, an inner cylinder is additionally provided with the heat-exchanging component, the inner cylinder with covering plate with being detachably connected；Institute
The thickness for stating inner cylinder is not less than 3mm.
The present invention is by hiding flame plate and disturbing flow device so that the raw coke oven gas speed for entering heat exchanger is improved, while on being formed
Rotational flow is risen, makes raw coke oven gas from laminar flow to turbulent transition, strengthens heat convection effect, improve raw coke oven gas and heat exchanger inner casing
The coefficient of heat transfer；By hiding the combination of flame plate and oil trap, heat exchanger carbon distribution problem is eliminated；In being arranged in inner casing
Cylinder, in heat exchanger installation process, weakens thermoradiation efficiency of the high temperature gas flow to heat exchanging wall face, when cutting the supply of water and electricity significantly
The high temperature failure of heat exchanger inner casing can be avoided by built-in sleeve fashion.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
The enlarged drawing that Fig. 2 is circle B in Fig. 1；
Fig. 3 is Fig. 1 top views；
Fig. 4 is heat exchanger inlet part turbulence blades enlarged drawing；
Fig. 5 is partial schematic diagram of the oil trap with covering plate.
Embodiment
With reference to Figure of description, the present invention will be further described.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, raw coke over gas riser heat exchanger of the present invention, including upper flange 7, bottom method
Orchid 1 and the tubular heat-exchanging component being arranged between upper flange and lower flange；
The lower flange 1 sets the ring-type of the heat exchanging chamber extension of oriented described tubular heat-exchanging component to hide flame plate 11, institute
The smoke inlet diameter for hiding flame plate 11 stated is more than outlet flue diameter, if the outlet flue edge of described screening flame plate is to being provided centrally with
Dry turbulence blades 14.Hide the lower circumference diameter of flame plate 11 and be equal to rising bore.
Raw coke oven gas enters from carbonization chamber tedge in the present embodiment rises heat exchange of heat pipe, because the contraction for hiding flame plate 11 is made
With the raw coke oven gas rate of climb is raised speed 1.2~1.5 times in heat exchanger import, and the clockwise or inverse time is formed by disturbing flow device 14
Pin spinning updraft, heat exchange is carried out with heat exchanger.
Embodiment 2
As the concrete scheme of embodiment 1, the tubular heat-exchanging component includes inner casing 6, the disk set gradually from inside to outside
Pipe 5, heat-insulation layer 4 and shell 3, the inner casing is circumferentially arranged oil trap 10, the cylindrical side wall of the oil trap 10 and institute
State inner casing 6 to contact, the bottom of the oil trap is provided with some oil outlets, and the screening flame plate is provided with some oil inlets, each institute
State and oil guide pipe 12 is provided between oil outlet and oil inlet.
The internal diameter of heat exchanger inner casing 6 is hide the top circle diameter of flame plate 11 1.1~1.25 times.
The specific oil guide pipe includes the pipe 12-1 being connected with oil trap oil outlet, and connects with hiding flame plate oil inlet
The oviduct 12-2 connect, upwards, oviduct 12-2 bottoms are fixed on screening to the oviduct 12-2 horn mouths by tight fit mode
In the groove of the top of flame plate 11 processing, groove opens aperture and rounding.Oil trap 10 is fixed on inner casing heat-transfer surface by oil guide pipe
6-1 bottoms, are contacted with the lower support inclined-plane 6-2 of inner casing 6.Oil trap 10 opens aperture bottom distance and opens aperture to flame plate 11 is hidden
Top distance is more than 50mm.
Raw coke oven gas enters the progress heat exchange of heat exchanger inner casing 6 by turbulence blades in the present embodiment, and inner casing 6 will by heat conduction
The heat-conducting medium that heat transfer is transferred heat in pipe to coil pipe 5, coil pipe 5 by heat conduction.
By setting oil trap, and the guide for being arranged on oil trap and hiding between flame plate to manage in the present embodiment, it is to avoid
Hide the carbon distribution that the heat transfer of flame plate 11 causes the secondary charing of coal tar to oil trap 10 and caused；When the coal tar of condensation
When flowing into along the inwall of inner casing 6 in oil trap, coal tar can flow into pipe 12-1, oviduct 12-2 by aperture on oil trap 10,
Carbonization chamber is returned by the aperture hidden on flame plate 11.
Embodiment 3
As the concrete scheme of embodiment 1, the angular range of the turbulence blades and horizontal direction is 20 ° -80 °.
Embodiment 4
As the concrete scheme of embodiment 1, the angular range of the screening flame plate side wall and horizontal direction is 30 °~60 °.
Embodiment 5
As the concrete scheme of embodiment 2, the non-sticky coating of anti-corrosion is provided with the inner casing inwall.
Embodiment 7
It is used as the concrete scheme of embodiment 2,0.8~0.9 times of the footpath of a diameter of inner casing of outlet flue of the screening flame plate.
Embodiment 8
As the concrete scheme of embodiment 2, it is additionally provided with an inner cylinder 8, the screening flame plate 11 and sets in the heat-exchanging component
Block 13 is equipped with, the inner cylinder 8 is fixed on coverage plate by block 13；The thickness of the inner cylinder is not less than 3mm.
In the online improvement and installation of rising heat exchange of heat pipe, because carbonization chamber is still in keeping warm mode, charing indoor temperature is about
For 800 DEG C, still there is certain radiations heat energy to pass to heat exchanger inner casing 6, the stop for now hiding flame plate 11 by bottom can
To reduce the radiations heat energy for passing to inner casing 6, while inner cylinder 8 is placed in heat exchanger, by being fixed on the gear hidden on flame plate 11
Block 13 is fixed, and has been effectively isolated the radiation for passing to inner casing, convection heat.After heat exchanger is installed, now heat exchanger is passed through
Heat transferring medium, according to gas heat exchange medium, then heat transferring medium is by the entrance heat exchanger of heat transferring medium import 9, passing through heat exchange
The outflow heat exchanger of media outlet 2；According to liquid heat transfer medium, then heat transferring medium enters heat exchanger by heat transferring medium import 2
After interior, 9 outflow heat exchangers are exported by heat transferring medium, heat exchanger is passed through after heat exchange cut-off, taken by opening tedge manhole cover
Go out inner cylinder 8.When occurring accident and cutting off the water, tedge manhole cover can also be opened, inner cylinder 8 is placed on inside tedge, now
Inner cylinder 8 should select corrosion-resistant stainless steel seamless pipe, it is to avoid dry combustion method causes heat exchanger inner casing 6 to damage.
The present invention is by hiding flame plate and disturbing flow device so that the raw coke oven gas speed for entering heat exchanger is improved, while on being formed
Rotational flow is risen, makes raw coke oven gas from laminar flow to turbulent transition, strengthens heat convection effect, improve raw coke oven gas and heat exchanger inner casing
The coefficient of heat transfer；By hiding the combination of flame plate and oil trap, heat exchanger carbon distribution problem is eliminated；In being arranged in inner casing
Cylinder, in heat exchanger installation process, weakens thermoradiation efficiency of the high temperature gas flow to heat exchanging wall face, when cutting the supply of water and electricity significantly
The high temperature failure of heat exchanger inner casing can be avoided by built-in sleeve fashion.
More than, only presently preferred embodiments of the present invention, but protection scope of the present invention is not limited thereto, and it is any to be familiar with sheet
Those skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in should all be covered
Within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should be defined by claim is defined.
Claims (8)
1. a kind of raw coke over gas riser heat exchanger, it is characterised in that including upper flange, lower flange and be arranged on top
Tubular heat-exchanging component between flange and lower flange；
The lower flange sets the ring-type of the heat exchanging chamber extension of oriented described tubular heat-exchanging component to hide flame plate, described screening flame
The smoke inlet diameter of plate is more than outlet flue diameter, and the outlet flue edge of described screening flame plate is to being provided centrally with some flow perturbation fans
Piece.
2. raw coke over gas riser heat exchanger according to claim 1, it is characterised in that the tubular heat-exchanging component bag
The inner casing set gradually from inside to outside, heat exchange element, heat-insulation layer and shell are included, the heat exchange element is folded in inner casing and insulation
Between layer；
The inner casing is circumferentially arranged oil trap, and the oil trap is arranged on the top for covering plate；The oil trap it is cylindrical
Side wall is contacted with the inner casing, and the bottom of the oil trap is provided with some oil outlets, and the screening flame plate is provided with some oil-feeds
Mouthful, it is provided with oil guide pipe between each oil outlet and oil inlet.
3. raw coke over gas riser heat exchanger according to claim 1, it is characterised in that the turbulence blades and level
The angular range in direction is 20 °~80 °.
4. raw coke over gas riser heat exchanger according to claim 1, it is characterised in that the side wall of the screening flame plate with
The angular range of horizontal direction is 30 °~60 °.
5. raw coke over gas riser heat exchanger according to claim 2, it is characterised in that the oil outlet and oil inlet
Distance vertically is not less than 50mm.
6. raw coke over gas riser heat exchanger according to claim 2, it is characterised in that set on the inner casing inwall
There is the non-sticky coating of anti-corrosion.
7. raw coke over gas riser heat exchanger according to claim 2, it is characterised in that the outlet flue of the screening flame plate
0.8~0.9 times of the footpath of a diameter of inner casing.
8. raw coke over gas riser heat exchanger according to claim 2, it is characterised in that also set in the heat-exchanging component
An inner cylinder is equipped with, the inner cylinder with covering plate with being detachably connected；The thickness of the inner cylinder is not less than 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710498739.3A CN107216887B (en) | 2017-06-26 | 2017-06-26 | Coke oven raw gas rising pipe heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710498739.3A CN107216887B (en) | 2017-06-26 | 2017-06-26 | Coke oven raw gas rising pipe heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107216887A true CN107216887A (en) | 2017-09-29 |
| CN107216887B CN107216887B (en) | 2023-08-04 |
Family
ID=59950775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710498739.3A Active CN107216887B (en) | 2017-06-26 | 2017-06-26 | Coke oven raw gas rising pipe heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107216887B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2162634Y (en) * | 1993-06-22 | 1994-04-20 | 首钢总公司 | Coal loading, smoke conduction device for coke furnace top |
| US20030164096A1 (en) * | 2002-03-01 | 2003-09-04 | Klaus Gruhbaum | Apparatus for treating and preparing food by gas-fired heating and a heat exchange device for such an apparatus |
| JP2010280808A (en) * | 2009-06-04 | 2010-12-16 | Jfe Steel Corp | Coke oven fuel gas mixing device |
| CN103032880A (en) * | 2011-09-30 | 2013-04-10 | 鞍钢股份有限公司 | Two-level turbulence combustion waste gas environment-friendly processing furnace |
| WO2013063892A1 (en) * | 2011-10-31 | 2013-05-10 | 广东万家乐燃气具有限公司 | Condensation heat exchanger making inverted v-shaped structure for gas water heater |
| CN104694139A (en) * | 2015-02-13 | 2015-06-10 | 常州江南冶金科技有限公司 | Coke oven raw gas heat exchanger with flow guide device |
| CN105018113A (en) * | 2015-07-06 | 2015-11-04 | 北京华泰焦化工程技术有限公司 | Ascension pipe of coke oven and method of applying same to recovery heat of raw coke oven gas |
| CN205061966U (en) * | 2015-10-20 | 2016-03-02 | 马庆磊 | Coke oven tedge raw coke oven gas heat transfer device |
| CN206204217U (en) * | 2016-11-29 | 2017-05-31 | 中冶华天工程技术有限公司 | The replaceable disturbing flow device of raw coke oven gas tedge |
| CN206940790U (en) * | 2017-06-26 | 2018-01-30 | 中冶华天工程技术有限公司 | Raw coke over gas riser heat exchanger |
-
2017
- 2017-06-26 CN CN201710498739.3A patent/CN107216887B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2162634Y (en) * | 1993-06-22 | 1994-04-20 | 首钢总公司 | Coal loading, smoke conduction device for coke furnace top |
| US20030164096A1 (en) * | 2002-03-01 | 2003-09-04 | Klaus Gruhbaum | Apparatus for treating and preparing food by gas-fired heating and a heat exchange device for such an apparatus |
| JP2010280808A (en) * | 2009-06-04 | 2010-12-16 | Jfe Steel Corp | Coke oven fuel gas mixing device |
| CN103032880A (en) * | 2011-09-30 | 2013-04-10 | 鞍钢股份有限公司 | Two-level turbulence combustion waste gas environment-friendly processing furnace |
| WO2013063892A1 (en) * | 2011-10-31 | 2013-05-10 | 广东万家乐燃气具有限公司 | Condensation heat exchanger making inverted v-shaped structure for gas water heater |
| CN104694139A (en) * | 2015-02-13 | 2015-06-10 | 常州江南冶金科技有限公司 | Coke oven raw gas heat exchanger with flow guide device |
| CN105018113A (en) * | 2015-07-06 | 2015-11-04 | 北京华泰焦化工程技术有限公司 | Ascension pipe of coke oven and method of applying same to recovery heat of raw coke oven gas |
| CN205061966U (en) * | 2015-10-20 | 2016-03-02 | 马庆磊 | Coke oven tedge raw coke oven gas heat transfer device |
| CN206204217U (en) * | 2016-11-29 | 2017-05-31 | 中冶华天工程技术有限公司 | The replaceable disturbing flow device of raw coke oven gas tedge |
| CN206940790U (en) * | 2017-06-26 | 2018-01-30 | 中冶华天工程技术有限公司 | Raw coke over gas riser heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107216887B (en) | 2023-08-04 |
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Effective date of registration: 20220610 Address after: 243000 Fu Chang Industrial Park, 259 HSI Nan Road, Ma'anshan economic and Technological Development Zone, Anhui Applicant after: HUATIAN ENGINEERING & TECHNOLOGY CORPORATION, MCC Applicant after: HUATIAN NANJING ENGINEERING & TECHNOLOGY CORPORATION, MCC Address before: 243000 Fu Chang Industrial Park, 259 HSI Nan Road, Ma'anshan economic and Technological Development Zone, Anhui Applicant before: HUATIAN ENGINEERING & TECHNOLOGY CORPORATION, MCC Applicant before: HUATIAN NANJING ENGINEERING & TECHNOLOGY CORPORATION, MCC Applicant before: MCC HUATIAN (ANHUI) ENERGY SAVING ENVIRONMENTAL PROTECTION RESEARCH INSTITUTE Co.,Ltd. |
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