CN208313097U - 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
- CN208313097U CN208313097U CN201820477074.8U CN201820477074U CN208313097U CN 208313097 U CN208313097 U CN 208313097U CN 201820477074 U CN201820477074 U CN 201820477074U CN 208313097 U CN208313097 U CN 208313097U
- 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.)
- Active
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 53
- 238000002309 gasification Methods 0.000 description 10
- 239000002028 Biomass Substances 0.000 description 7
- 239000000843 powder Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification 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
- 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
- 238000010586 diagram 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
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- 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
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model 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 separately positioned in drum and High Temperature Gas channel.Several fins are provided on the side heat pipe outer wall in High Temperature Gas channel.Any one heat pipe enters vertical with drum wall surface when 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 between drum and High Temperature Gas channel transmit heat heat exchanger.The utility model has 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 utility model relates to a kind of heat exchangers and heat-exchange system more particularly to one to exchange heat for drum and high-temperature gas
Heat exchange of heat pipe and heat-exchange system of the kind for drum and containing the heat exchange of the high-temperature gasification gas of tar and dust belong to heat exchange neck
Domain.
Background technique
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
It easily causes the corrosion of high-temperature surface alkali metal and low temperature heating surface dust stratification to influence coal-powder boiler to operate normally.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, the heat exchanger components of usually UTILIZATION OF VESIDUAL HEAT IN need special medium just and can ensure that it is higher
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.
Utility model content
The purpose of this utility model is to provide a kind of heat exchanger that can be used for drum and high-temperature gas heat exchange and heat exchange
System, particularly for the heat exchange of high-temperature gasification gas.
The utility model 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;Several fins are provided 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;Several are provided 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;Blowing pipe is provided in the High Temperature Gas channel.
The utility model has the following advantages that and the utility model has the advantages that heat exchange of heat pipe is efficient, while reducing heat-transfer surface, also
It can guarantee that the tar in gasification gas is not precipitated, equipment can be with continuous and steady operation;The setting of fin further improves heat pipe
Heat exchange efficiency.
Detailed description of the invention
Fig. 1 is a kind of heat exchanger schematic diagram to exchange heat for drum and high-temperature gas involved by the utility model.
Fig. 2 is a kind of heat exchanger cross sectional arrangement signal to exchange heat for drum and high-temperature gas involved by the utility model
Figure.
In figure: 1- drum;2- High Temperature Gas channel;3- heat pipe;4- fin;5- blowing pipe;6- ash bucket.
Specific embodiment
Specific embodiment of the present utility model and the course of work are further described with reference to the accompanying drawing.
The positional terms such as the upper, lower, left, right, front and rear in present specification be positional relationship based on the figure and
It establishes.Attached drawing is different, then corresponding positional relationship is also possible to change therewith, therefore cannot be interpreted as with this to protection model
The restriction enclosed.
A kind of heat exchanger to exchange heat for drum and high-temperature gas described in the utility model, can be used in drum 1 and height
Heat is transmitted between wet channel 2, high-temperature gas in High Temperature Gas channel 2 is made especially to make the heat transfer of high-temperature gasification gas to drum
Working-medium water in 1 is heated water or steam water interface in drum 1 and reaches 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 to exchange heat for drum and high-temperature gas includes several
Heat pipe 3, the independent arrangement of these several heat pipes 3.The both ends of any one heat pipe 3 are separately positioned on drum 1 and High Temperature Gas is logical
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 passing through 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 gasification gas
Enter oxidant, the preferred steam soot blowing pipe of blowing pipe 5.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 above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
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 She Zhi not be 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
Managing (3) includes super heat-conductive pipe, liquid working substance heat pipe;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
Blowing pipe (5) are provided 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: 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 |
---|---|---|---|
CN201820477074.8U CN208313097U (en) | 2018-04-04 | 2018-04-04 | A kind of heat exchanger and heat-exchange system to exchange heat for drum and high-temperature gas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820477074.8U CN208313097U (en) | 2018-04-04 | 2018-04-04 | A kind of heat exchanger and heat-exchange system to exchange heat for drum and high-temperature gas |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208313097U true CN208313097U (en) | 2019-01-01 |
Family
ID=64719236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201820477074.8U Active CN208313097U (en) | 2018-04-04 | 2018-04-04 | A kind of heat exchanger and heat-exchange system to exchange heat for drum and high-temperature gas |
Country Status (1)
Country | Link |
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CN (1) | CN208313097U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108469192A (en) * | 2018-04-04 | 2018-08-31 | 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 CN201820477074.8U patent/CN208313097U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108469192A (en) * | 2018-04-04 | 2018-08-31 | 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 |
CN108469192B (en) * | 2018-04-04 | 2024-06-04 | 北京巴布科克·威尔科克斯有限公司 | Heat exchanger and heat exchange system for heat exchange between steam drum and high-temperature gas |
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GR01 | Patent grant |