CN108469192A - A kind of heat exchanger and heat-exchange system to exchange heat for drum and high-temperature gas - Google Patents
A kind of heat exchanger and heat-exchange system to exchange heat for drum and high-temperature gas Download PDFInfo
- Publication number
- CN108469192A CN108469192A CN201810301986.4A CN201810301986A CN108469192A CN 108469192 A CN108469192 A CN 108469192A CN 201810301986 A CN201810301986 A CN 201810301986A CN 108469192 A CN108469192 A CN 108469192A
- Authority
- CN
- China
- Prior art keywords
- heat
- drum
- temperature gas
- high temperature
- pipe
- 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.)
- Granted
Links
- 238000007664 blowing Methods 0.000 claims abstract description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 15
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 235000019441 ethanol Nutrition 0.000 claims description 5
- 239000004071 soot Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 54
- 238000002309 gasification Methods 0.000 description 9
- 239000002028 Biomass Substances 0.000 description 7
- 239000000843 powder Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000012782 phase change material Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- -1 potassium (K) Chemical class 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- 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
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- 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
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of heat exchanger to exchange heat for drum and high-temperature gas and based on the heat-exchange system of the heat exchanger, can be used in transmitting heat between drum and High Temperature Gas channel, drum is arranged above High Temperature Gas channel.Heat exchanger includes several heat pipes；Several heat pipes are respectively independently arranged.The both ends of any one heat pipe are respectively arranged in drum and High Temperature Gas channel.It is provided with several fins on the side heat pipe outer wall in High Temperature Gas channel.Any one heat pipe is vertical with drum wall surface when entering drum across drum wall surface.High Temperature Gas is provided with blowing pipe in channel.A kind of heat-exchange system, including drum, High Temperature Gas channel and the heat exchanger present invention that heat is transmitted between drum and High Temperature Gas channel have many advantages, such as the wall surface temperature contacted with high-temperature gas height, good effect of heat exchange, compact-sized.
Description
Technical field
The present invention relates to a kind of heat exchanger to exchange heat for drum and high-temperature gas and heat-exchange system more particularly to a kind of use
In drum and the heat exchange of heat pipe and heat-exchange system that exchange heat containing the high-temperature gasification gas of tar and dust, belong to field of heat exchange.
Background technology
High-temperature gas UTILIZATION OF VESIDUAL HEAT IN process is arranged heat exchanger often through waste heat boiler or in exhaust gases passes and such as saves coal
Device, superheater etc. realize heat exchange.But in biomass and big coal fired boilers combined generating system, since biomass has moisture
The features such as content is more, fugitive constituent is high, fuel density is small, structure is more open, biomass tends not to be directly thrown into large size
It burns in coal-powder boiler.In addition, the alkali metal such as potassium (K), sodium (Na) in biomass can reduce the ash fusion point of fuel in coal-powder boiler, hold
Easily causing the corrosion of high-temperature surface alkali metal and low temperature heating surface dust stratification influences coal-powder boiler normal operation.It is needed at this time by biomass
Fuel gasifies in advance, and the gasification gas after dedusting is then passed through coal-powder boiler and one combust of coal dust again.In the process, High Temperature Gas
Change gas need to first exchange heat cooling and dedusting.At this point, usually to need special medium just to can ensure that higher for the heat exchanger components of UTILIZATION OF VESIDUAL HEAT IN
Wall temperature, avoid tar from being precipitated, while biomass gasification system can be made to become bulky complex, and be easy to cause gasification gas leakage.
Invention content
The purpose of the present invention is to provide it is a kind of can be used for drum and high-temperature gas heat exchange heat exchanger and heat-exchange system,
Particularly for the heat exchange of high-temperature gasification gas.
The present invention is achieved through the following technical solutions：
A kind of heat exchanger to exchange heat for drum and high-temperature gas, the heat exchanger can be used in logical in drum and High Temperature Gas
Heat is transmitted between road, the heat exchanger includes several heat pipes；The heat pipe both ends are separately positioned on the drum and described
In High Temperature Gas channel；It is provided with several fins on the side outer wall that the heat pipe is located in the High Temperature Gas channel.
In above-mentioned technical proposal, several described heat pipes are respectively independently arranged.
In above-mentioned technical proposal, any one described heat pipe, which passes through when the drum wall surface enters drum, to hang down with drum wall surface
Directly.
In above-mentioned technical proposal, the High Temperature Gas channel is horizontally disposed, and the drum is arranged on the High Temperature Gas channel
Side
In above-mentioned technical proposal, the heat pipe includes super heat-conductive pipe, liquid working substance heat pipe；The liquid of the liquid working substance heat pipe
Body working medium includes water, acetone, methanol, ethyl alcohol.
In above-mentioned technical proposal, blowing pipe is provided in the High Temperature Gas channel.The blowing pipe selects steam soot blowing pipe.
A kind of heat-exchange system, the heat-exchange system include drum, High Temperature Gas channel and in the drum and the high temperature
The heat exchanger of heat is transmitted between gas channel, the heat exchanger includes several heat pipes；The heat pipe both ends are separately positioned on institute
It states in drum and the High Temperature Gas channel；It is provided with several on the side outer wall that the heat pipe is located in the High Temperature Gas channel
Fin.
In above-mentioned technical proposal, the High Temperature Gas channel is horizontally disposed, and the drum is arranged on the High Temperature Gas channel
Side.
In above-mentioned technical proposal, the heat pipe includes super heat-conductive pipe, liquid working substance heat pipe；The liquid of the liquid working substance heat pipe
Body working medium includes water, acetone, methanol, ethyl alcohol；It is provided with blowing pipe in the High Temperature Gas channel.
The present invention has the following advantages and beneficial effects：Heat exchange of heat pipe is efficient, while reducing heat-transfer surface, additionally it is possible to
Ensure that the tar in gasification gas is not precipitated, equipment can be with continuous and steady operation；The setting of fin further improves changing for heat pipe
The thermal efficiency.
Description of the drawings
Fig. 1 is a kind of heat exchanger schematic diagram to exchange heat for drum and high-temperature gas involved in the present invention.
Fig. 2 is a kind of heat exchanger cross sectional arrangement schematic diagram to exchange heat for drum and high-temperature gas involved in the present invention.
In figure：1- drums；2- High Temperature Gas channel；3- heat pipes；4- fins；5- blowing pipes；6- ash buckets.
Specific implementation mode
The specific implementation mode and the course of work of the present invention are further described below in conjunction with the accompanying drawings.
The orientation such as upper, lower, left, right, front and rear in present specification term be position relationship based on ... shown in the drawings and
It establishes.Attached drawing is different, then corresponding position relationship is also possible to change therewith, therefore cannot be interpreted as with this to protecting model
The restriction enclosed.
A kind of heat exchanger to exchange heat for drum and high-temperature gas of the present invention, can be used in drum 1 and High Temperature Gas
Heat is transmitted between channel 2, high-temperature gas in High Temperature Gas channel 2 is made especially to make the heat transfer of high-temperature gasification gas in drum 1
Working-medium water, so that water or steam water interface in drum 1 is heated and reach target vapor parameter.
As shown in Figure 1, High Temperature Gas channel 2 is horizontally disposed, drum 1 is arranged above High Temperature Gas channel 2, the center of drum 1
Line and the centerline parallel in High Temperature Gas channel 2 are arranged.A kind of heat exchanger for drum and high-temperature gas heat exchange includes several
Heat pipe 3, the independent arrangement of these several heat pipes 3.The both ends of any one heat pipe 3 are respectively arranged logical in drum 1 and High Temperature Gas
In road 2, heat pipe is heated by High Temperature Gas in High Temperature Gas channel 2 and generates phase transformation, and phase change material ascends into drum 1 and meets cryogenic fluid
By heat release, phase transformation lowers into High Temperature Gas channel 2 again, forms cycle heat exchange.To further increase heat exchange efficiency, heat
Pipe 3, which is located on the heat pipe outer wall of the side in High Temperature Gas channel 2, is provided with several fins 4, increases heating surface area.
A kind of heat-exchange system based on above-mentioned heat exchanger, heat-exchange system include drum 1, High Temperature Gas channel 2 and described
The heat exchanger of heat is transmitted between drum and the High Temperature Gas channel, the heat exchanger includes several heat pipes 3；The heat pipe 3
Both ends are separately positioned in the drum 1 and the High Temperature Gas channel 2；The heat pipe 3 is located at one in the High Temperature Gas channel 2
Several fins 4 are provided on the outer wall of side.
The preferred special-shaped heat pipe of heat pipe 3, one end of any one heat pipe 3 when passing through 1 wall surface of drum and entering drum and drum
Wall surface is vertical.It is similar, the other end of any one heat pipe 3 when across the wall surface in High Temperature Gas channel 2 also with High Temperature Gas conduit wall
Face passes perpendicularly through.
Above-mentioned heat pipe 3 includes super heat-conductive pipe, liquid working substance heat pipe；The liquid working substance of the liquid working substance heat pipe include water,
Acetone, methanol, ethyl alcohol.
High Temperature Gas, often with flue dust, is easy in heat pipe 3 especially from the high-temperature gasification gas of biomass gasification device,
Dust stratification especially is caused on the fin 4 of heat pipe, therefore is provided with blowing pipe 5 in High Temperature Gas channel 2, to avoid the band in the gas that gasifies
Enter oxidant, 5 preferred steam soot blowing pipe of blowing pipe.Correspondingly, the downstream base portion in High Temperature Gas channel 2 is provided with ash bucket 6, for receiving
Collection and discharge flue dust.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of heat exchanger to exchange heat for drum and high-temperature gas, the heat exchanger can be used in drum (1) and High Temperature Gas
Heat is transmitted between (2) in channel, it is characterised in that：The heat exchanger includes several heat pipes (3)；Heat pipe (3) both ends point
It is not arranged in the drum (1) and the High Temperature Gas channel (2)；The heat pipe (3) is located in the High Temperature Gas channel (2)
Several fins (4) are provided on the outer wall of side.
2. a kind of heat exchanger to exchange heat for drum and high-temperature gas according to claim 1, it is characterised in that：If described
Dry heat pipe (3) is respectively independent to be arranged.
3. a kind of heat exchanger to exchange heat for drum and high-temperature gas according to claim 1 or 2, it is characterised in that：Institute
State any one heat pipe (3) pass through the drum (1) wall surface enter it is vertical with drum wall surface when drum (1).
4. a kind of heat exchanger to exchange heat for drum and high-temperature gas according to claim 1, it is characterised in that：The height
Wet channel (2) is horizontally disposed, and drum (1) setting is above the High Temperature Gas channel (2).
5. a kind of heat exchanger to exchange heat for drum and high-temperature gas according to claim 1, it is characterised in that：The heat
It includes super heat-conductive pipe, liquid working substance heat pipe to manage (3)；The liquid working substance of the liquid working substance heat pipe includes water, acetone, methanol, second
Alcohol.
6. a kind of heat exchanger to exchange heat for drum and high-temperature gas according to claim 1, it is characterised in that：The height
It is provided with blowing pipe (5) in wet channel (2).
7. a kind of heat exchanger to exchange heat for drum and high-temperature gas according to claim 6, it is characterised in that：It is described to blow
Ash pipe (5) selects steam soot blowing pipe.
8. a kind of heat-exchange system, which is characterized in that the heat-exchange system includes drum (1), High Temperature Gas channel (2) and described
The heat exchanger of heat is transmitted between drum (1) and the High Temperature Gas channel (2), the heat exchanger includes several heat pipes (3)；Institute
Heat pipe (3) both ends are stated to be separately positioned in the drum (1) and the High Temperature Gas channel (2)；The heat pipe (3) is located at the height
Several fins (4) are provided on side outer wall in wet channel (2).
9. a kind of heat-exchange system according to claim 8, it is characterised in that：The High Temperature Gas channel (2) is horizontally disposed, institute
Drum (1) setting is stated above the High Temperature Gas channel (2).
10. a kind of heat-exchange system according to claim 8, it is characterised in that：The heat pipe (3) includes super heat-conductive pipe, liquid
Body working medium heat pipe；The liquid working substance of the liquid working substance heat pipe includes water, acetone, methanol, ethyl alcohol；The High Temperature Gas channel (2)
Inside it is provided with blowing pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810301986.4A CN108469192B (en) | 2018-04-04 | 2018-04-04 | Heat exchanger and heat exchange system for heat exchange between steam drum and high-temperature gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810301986.4A CN108469192B (en) | 2018-04-04 | 2018-04-04 | Heat exchanger and heat exchange system for heat exchange between steam drum and high-temperature gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108469192A true CN108469192A (en) | 2018-08-31 |
| CN108469192B CN108469192B (en) | 2024-06-04 |
Family
ID=63262492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810301986.4A Active CN108469192B (en) | 2018-04-04 | 2018-04-04 | Heat exchanger and heat exchange system for heat exchange between steam drum and high-temperature gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108469192B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3915224A (en) * | 1973-06-22 | 1975-10-28 | Uhde Gmbh Friedrich | Process gas cooler |
| US4206807A (en) * | 1977-01-31 | 1980-06-10 | The Furukawa Electric Company Ltd. | Cylindrical heat exchanger using heat pipes |
| CN2802297Y (en) * | 2005-02-04 | 2006-08-02 | 大连理工大学 | Incinerator for waste liquid |
| CN201811623U (en) * | 2010-10-14 | 2011-04-27 | 中国石油化工股份有限公司 | Combined heat pipe exchanger |
| CN103267300A (en) * | 2013-05-26 | 2013-08-28 | 刘成红 | Semi-buried type heat pipe waste heat recovering device |
| US20140069501A1 (en) * | 2012-09-13 | 2014-03-13 | International Business Machines Corporation | Cooling System for High Performance Solar Concentrators |
| CN105277027A (en) * | 2015-11-05 | 2016-01-27 | 吉林省电力科学研究院有限公司 | Phase-change heat exchanger and heat exchange method thereof |
| CN205191619U (en) * | 2015-12-02 | 2016-04-27 | 北京能为科技股份有限公司 | Heat -pipe heat exchanger |
| CN205783036U (en) * | 2016-06-21 | 2016-12-07 | 南通亚泰工程技术有限公司 | A kind of power-plant flue gas system heat-exchanger rig |
| CN208313097U (en) * | 2018-04-04 | 2019-01-01 | 北京巴布科克·威尔科克斯有限公司 | A kind of heat exchanger and heat-exchange system to exchange heat for drum and high-temperature gas |
-
2018
- 2018-04-04 CN CN201810301986.4A patent/CN108469192B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3915224A (en) * | 1973-06-22 | 1975-10-28 | Uhde Gmbh Friedrich | Process gas cooler |
| US4206807A (en) * | 1977-01-31 | 1980-06-10 | The Furukawa Electric Company Ltd. | Cylindrical heat exchanger using heat pipes |
| CN2802297Y (en) * | 2005-02-04 | 2006-08-02 | 大连理工大学 | Incinerator for waste liquid |
| CN201811623U (en) * | 2010-10-14 | 2011-04-27 | 中国石油化工股份有限公司 | Combined heat pipe exchanger |
| US20140069501A1 (en) * | 2012-09-13 | 2014-03-13 | International Business Machines Corporation | Cooling System for High Performance Solar Concentrators |
| CN103267300A (en) * | 2013-05-26 | 2013-08-28 | 刘成红 | Semi-buried type heat pipe waste heat recovering device |
| CN105277027A (en) * | 2015-11-05 | 2016-01-27 | 吉林省电力科学研究院有限公司 | Phase-change heat exchanger and heat exchange method thereof |
| CN205191619U (en) * | 2015-12-02 | 2016-04-27 | 北京能为科技股份有限公司 | Heat -pipe heat exchanger |
| CN205783036U (en) * | 2016-06-21 | 2016-12-07 | 南通亚泰工程技术有限公司 | A kind of power-plant flue gas system heat-exchanger rig |
| CN208313097U (en) * | 2018-04-04 | 2019-01-01 | 北京巴布科克·威尔科克斯有限公司 | A kind of heat exchanger and heat-exchange system to exchange heat for drum and high-temperature gas |
Non-Patent Citations (1)
| Title |
|---|
| 罗敏华;毛国高;章国平;: "热管余热回收蒸汽发生系统在烧结环冷机上的应用", 节能与环保, no. 12, 28 December 2005 (2005-12-28) * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108469192B (en) | 2024-06-04 |
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