CN102635842B - Separated type fin plate steam generator - Google Patents
Separated type fin plate steam generator Download PDFInfo
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- CN102635842B CN102635842B CN201210110507.3A CN201210110507A CN102635842B CN 102635842 B CN102635842 B CN 102635842B CN 201210110507 A CN201210110507 A CN 201210110507A CN 102635842 B CN102635842 B CN 102635842B
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- fin plate
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- working medium
- fin
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000008020 evaporation Effects 0.000 claims description 38
- 238000001704 evaporation Methods 0.000 claims description 38
- 230000005494 condensation Effects 0.000 claims description 25
- 238000009833 condensation Methods 0.000 claims description 25
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 16
- 239000003546 flue gas Substances 0.000 claims description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
- 238000005219 brazing Methods 0.000 claims description 7
- 239000003517 fume Substances 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 4
- 230000002411 adverse Effects 0.000 claims description 3
- 239000008236 heating water Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000002918 waste heat Substances 0.000 abstract description 11
- 239000000779 smoke Substances 0.000 abstract 5
- 230000005540 biological transmission Effects 0.000 abstract 4
- 230000008016 vaporization Effects 0.000 abstract 4
- 230000001174 ascending effect Effects 0.000 abstract 2
- 238000009434 installation Methods 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 239000002253 acid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a separated type fin plate steam generator which is formed by connection of a vaporizing end and a condensing end through an ascending pipe and a descending pipe. The separated type fin plate steam generator is characterized in that the vaporizing end consists of a plurality of parallel-arranged fin plates and is inserted into a smoke flue; smoke channels are arranged among the fin plates; a heat transmission working medium is fully filled into each plate; the heat transmission working medium is heated and vaporized by smoke and inversely flows together with the smoke; the condensing end is kettle-shaped pressure-bearing equipment, internally consists of a plurality of fin plates with different lengths and is independent of the exterior of the smoke flue and higher than the vaporizing end to be arranged; water-steam channels are arranged among the fin plates, and the heat transmission working medium is fully filled into the plates; the condensing end is connected with the vaporizing end through the ascending pipe and the descending pipe; and the heat transmission working medium is condensed and releases the heat at the condensing end to heat and vaporize water so as to generate vapor. The separated type fin plate steam generator provided by the invention has the advantages of compact structure, small volume, simple equipment, long service life, high waste heat utilization ratio and low equipment cost, and is convenient for installation.
Description
Technical field
Separate type fin plate steam generator of the present invention relates to a kind of steam generator, particularly a kind of equipment that utilizes fume afterheat directly to produce high steam.
Background technology
The industrial furnace One's name is legion of China, is widely used in metallurgy, chemical industry, and the fields such as oil, a large amount of being discharged in atmosphere of high-temperature flue gas that these industrial furnaces produce, has caused the waste of the energy and atmospheric heat to pollute.By flue gas waste heat recovery technology, reduce the exhaust temperature of flue gas, seem very crucial day by day serious today at energy scarcity and environmental problem, and high efficiente callback fume afterheat how, become a very important urgent problem again.
Traditional waste heat boiler is the waste heat that utilizes flue gas, and preheating water and air boiler of feeding uses, and reduces the energy consumption of boiler, and waste heat is not used for directly producing high steam, and fume afterheat utilization rate is lower.Meanwhile, because traditional heat exchangers exists the problem that efficiency is lower or flue gas resistance is high, can not really reach the object of high efficiente callback waste heat.
Fin plate structure is the optimization of plate-fin structure, due to its compactness, efficient, is convenient to install, and less feature falls in flue gas resistance simultaneously, is specially adapted to flue gas waste heat recovery field.But fin plate is owing to being that overall nickel-based brazing forms, and the pressure that intralamellar part can bear is less, is about 1.5 bar, and this defect cannot be used as steam generator fin plate heat exchanger itself.And separate type fin plate steam generator has just solved this difficult problem, by the innovation of structure, make this equipment can directly produce efficiently high steam, be incorporated to steam pipe system for follow-up.
Summary of the invention
The present invention is intended to overcome the shortcoming of above-mentioned traditional waste heat boiler, cannot bear the problem of high pressure for fin plate inside, has proposed a kind of separate type fin plate steam generator.Its advantage is: compact conformation, and volume is little, and equipment is simple, is convenient to install; Long service life, utilization rate of waste heat is high, and equipment cost is low.Be greatly improved than similar waste heat boiler performance.
The object of the invention is to be achieved through the following technical solutions: a kind of separate type fin plate steam generator, connected to form by tedge and down-comer by evaporation ends and condensation end, it is characterized in that, described evaporation ends is arranged in parallel by some fin plates, assigning among flue, is exhaust gases passes between fin plate, fills heat-transfer working medium in plate, heat-transfer working medium evaporates through flue gas, is reverse flow with flue gas.Described condensation end is a still shape bearing device, and the inner fin plate not waited by some length forms, and is independent of outside flue, settle higher than evaporation ends, between fin plate, be water-steam channel, in plate, be filled with equally heat-transfer working medium, be connected by tedge and down-comer with evaporation ends.Heat-transfer working medium condensation heat release herein, heating water evaporation produces steam.
Described evaporation ends assigns in flue, and material is 316L stainless steel, prevents acid corrosion.
Described condensation end is still shape structure, can bear high pressure, solve the not strong shortcoming of nickel-based brazing fin plate structure bearing capacity, be independent of outside flue, be used for directly producing high steam, the fin plate that inside has length not wait is arranged in parallel, and condensation end is placed in the top of evaporation ends, and the heat-transfer working medium in assurance plate is because of pressure differential free convection.
As a further improvement on the present invention, described evaporation ends fin plate directly assigns in flue, does not need to connect by the parts such as orifice plate or end socket, and not only layout is more flexible, has also avoided complicated connection technique simultaneously.
As a further improvement on the present invention, described evaporation ends fume side (fin plate outside) fin height is greater than 6mm, and this yardstick can effectively prevent fouling.
As a further improvement on the present invention, described evaporation ends fin plate spacing is greater than 6mm, is less than 12mm, and this yardstick can guarantee the heat transfer and flow performance of evaporation ends, reasonably within the scope of resistance drop, is obtaining best heat-transfer effect.
As a further improvement on the present invention, described evaporation ends fin plate top perforate is series at a house steward (straight tube), is then connected with tedge; A below perforate house steward of series connection (straight tube), is connected with down-comer then.The top perforate of condensation end fin plate is series at a semicircle house steward, is then connected with tedge; Below perforate is series at a semicircle house steward, is then connected with down-comer.
As a further improvement on the present invention, after described two ends (evaporation ends and condensation end) fin plate is connected by tedge, down-comer, inner passage is evacuated to 10 with vavuum pump
-3below Pa, then fill heat-transfer working medium.
As a further improvement on the present invention, the caliber of described tedge (comprising the house steward who is attached thereto) is larger than the down-comer caliber of (comprising the house steward who is attached thereto).
As a further improvement on the present invention, described fin plate is adverse current fin plate, by dividing plate, and strip of paper used for sealing, inner fins and outside fin entirety nickel-based brazing form, and nickel-based brazing can effectively be avoided the impact of acid corrosion.
As a further improvement on the present invention, the end face of described fin plate must be inserted in the circular casing of a closed at both ends, connects and seals with manual metal-arc welding.Round tube can be guaranteed the bearing capacity in plate.On circular casing, perforate connects with corresponding house steward.
As a further improvement on the present invention, the length that described fin plate inserts sleeve pipe is about 1/4 of circular casing diameter, guarantees the quality of welding, avoids occurring flow dead simultaneously.
As a further improvement on the present invention, described upper and lower circular casing position of opening at a distance of farthest, guarantees that heat-transfer working medium is identical to each path resistance of outlet from import, is heated evenly at fin plate diagonal.
As a further improvement on the present invention, described evaporation ends can use as preheater separately, does not fill heat-transfer working medium in fin plate, but as preheating water (air) passage.Between plate, the preheating water (air) of flue gas and plate inner side is carried out heat exchange.
The present invention separates evaporation ends and condensation end, and wherein evaporation ends is placed among flue, utilizes fume afterheat to make heat-transfer working medium evaporation, enters condensation end condensation by tedge, produces high steam thereby emit a large amount of heat heating waters.Condensation end adopts still shape structure, can bear high pressure.Because condensation end is outside flue, not only can greatly simplify the transformation to flue, also can effectively prevent the corrosion of sour gas to equipment in flue, reduce equipment cost.This separate type fin plate steam generator compact conformation, volume is little, and equipment is simple, is convenient to install; Long service life, utilization rate of waste heat is high, and equipment cost is low.
Accompanying drawing explanation
Fig. 1 is the fundamental diagram of the embodiment of the present invention.
Fig. 2 is the adverse current type fin plate structure chart of the embodiment of the present invention.
Fig. 3 is the fin plate joint sleeve figure of the embodiment of the present invention.
Fig. 4 is the separate type fin plate steam generator structural representation of the embodiment of the present invention.
Fig. 5 is the evaporation ends schematic diagram of the embodiment of the present invention.
Fig. 6 is the condensation end schematic diagram of the embodiment of the present invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further described.
embodiment:with reference to Fig. 1, separate type fin plate steam generator is connected to form by tedge and down-comer by evaporation ends and condensation end.Evaporation ends is assigned among flue, is exhaust gases passes between fin plate, fills heat-transfer working medium in plate, and heat-transfer working medium evaporates through flue gas, is reverse flow with flue gas.Condensation end is independent of outside flue, settles higher than evaporation ends, and between fin plate, be water-steam channel, in plate, be filled with equally heat-transfer working medium, be connected by tedge and down-comer with evaporation ends.Heat-transfer working medium condensation heat release herein, heating water evaporation produces steam.
With reference to Fig. 2, fin plate is 316L stainless steel, by dividing plate, and strip of paper used for sealing, inner fins and outside fin entirety nickel-based brazing form, and can effectively avoid contingent acid corrosion phenomenon in flue.
With reference to Fig. 3, the end face of fin plate must be inserted in the circular casing of a closed at both ends, and the length of inserting sleeve pipe is about 1/4 of circular casing diameter, guarantees the quality of welding, avoids occurring flow dead simultaneously.Upper and lower casing pipe hole opening position at a distance of farthest, guarantees that heat-transfer working medium is identical to each path resistance of outlet from import, is heated evenly at fin plate diagonal.
With reference to accompanying drawing 4, the present invention separates evaporation ends and condensation end, and wherein evaporation ends is placed among flue, and condensation end is independent of outside flue, settles higher than evaporation ends.Not only can greatly simplify the transformation to flue, also can effectively prevent the corrosion of sour gas to equipment in flue, reduce equipment cost.
With reference to Fig. 5, evaporation ends assigns in flue, and be arranged in parallel and form by some fin plates, between fin plate, be exhaust gases passes, in plate, fill heat-transfer working medium.Fume side fin height is greater than 6mm, and distance between plates is between 6-12mm.The top perforate of evaporation ends fin plate is series at a house steward (straight tube), is then connected with tedge; A below perforate house steward of series connection (straight tube), is connected with down-comer then.Fin plate upper and lower position of opening at a distance of farthest, guarantees that heat-transfer working medium is identical to each path resistance of outlet from import, is heated evenly at fin plate diagonal.Evaporation ends also can use as preheater separately, does not fill heat-transfer working medium in fin plate, but as preheating water (air) passage, between plate, the preheating water (air) of flue gas and plate inner side is carried out heat exchange.
With reference to Fig. 6, condensation end is a still shape equipment, can bear high pressure, directly produce high steam, solved the not strong shortcoming of nickel-based brazing fin plate structure bearing capacity, the inner fin plate not waited by some length forms, and is water-steam channel between fin plate, in plate, be heat-transfer working medium passage, be connected by tedge and down-comer with evaporation ends.The top perforate of condensation end fin plate is series at a semicircle house steward, is then connected with tedge; Below perforate is series at a semicircle house steward, is then connected with down-comer.Fin plate upper and lower position of opening at a distance of farthest, guarantees that heat-transfer working medium is identical to each path resistance of outlet from import, is heated evenly at fin plate diagonal.
Although the present invention with preferred embodiment openly as above; but embodiment and accompanying drawing are not for limiting the present invention, be anyly familiar with this skill person, without departing from the spirit and scope of the invention; from when making various changes or retouch, belong to equally the present invention's protection domain.Therefore protection scope of the present invention should with the application claim was defined is as the criterion.
Claims (3)
1. a separate type fin plate steam generator, connected to form by tedge and down-comer by evaporation ends and condensation end, it is characterized in that, described evaporation ends is arranged in parallel by some fin plates, assigning among flue, is exhaust gases passes between fin plate, vacuumizes rear filled heat-transfer working medium in plate, heat-transfer working medium evaporates through flue gas, is reverse flow with flue gas; Described condensation end is a still shape bearing device, and the inner fin plate not waited by some length forms, and is independent of outside flue, settle higher than evaporation ends, between fin plate, be water-steam channel, in plate, be filled with equally heat-transfer working medium, be connected by tedge and down-comer with evaporation ends; Heat-transfer working medium condensation heat release herein, heating water evaporation produces steam;
Fume side fin height is greater than 6mm, and fin plate spacing is between 6-12mm; The top perforate of evaporation ends fin plate is series at a house steward, is then connected with tedge; A house steward of below perforate series connection, is connected with down-comer then; Fin plate upper and lower position of opening at a distance of farthest, guarantees that heat-transfer working medium is identical to each path resistance of outlet from import, is heated evenly at fin plate diagonal;
The top perforate of condensation end fin plate is series at a semicircle house steward, is then connected with tedge; Below perforate is series at a semicircle house steward, is then connected with down-comer;
The end face of described fin plate must be inserted in the circular casing of a closed at both ends, connects and seals with manual metal-arc welding; Described circular casing can be guaranteed the bearing capacity in plate, and on circular casing, perforate connects with corresponding house steward;
After the fin plate of described evaporation ends and condensation end is connected by tedge, down-comer, inner passage is evacuated to 10 with vavuum pump
-3below Pa, then fill heat-transfer working medium;
Described fin plate is adverse current fin plate, by dividing plate, and strip of paper used for sealing, inner fins and outside fin entirety nickel-based brazing form;
The length that described fin plate inserts sleeve pipe is about 1/4 of circular casing diameter, guarantees the quality of welding, avoids occurring flow dead simultaneously.
2. separate type fin plate steam generator according to claim 1, is characterized in that, described tedge, comprises the house steward who is attached thereto, caliber be larger than down-comer, comprise the house steward who is attached thereto, caliber.
3. separate type fin plate steam generator according to claim 1, is characterized in that, described evaporation ends uses as preheater separately, does not fill heat-transfer working medium in fin plate, but as preheating water or air duct; Between plate, preheating water or the air of flue gas and plate inner side carry out heat exchange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210110507.3A CN102635842B (en) | 2012-04-16 | 2012-04-16 | Separated type fin plate steam generator |
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| CN201210110507.3A CN102635842B (en) | 2012-04-16 | 2012-04-16 | Separated type fin plate steam generator |
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| CN102635842A CN102635842A (en) | 2012-08-15 |
| CN102635842B true CN102635842B (en) | 2014-07-02 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042555B (en) * | 2015-09-02 | 2017-03-29 | 中国工程物理研究院材料研究所 | A kind of implementation method of flow type steam generator |
| JP2019143917A (en) * | 2018-02-22 | 2019-08-29 | 三菱日立パワーシステムズ株式会社 | Evaporator, waste heat recovery boiler with the same, and evaporator modification method |
| CN110285399B (en) * | 2018-06-20 | 2020-04-17 | 青岛佰腾科技有限公司 | Flow stabilizer and design method of steam boiler with optimized pipe diameter |
| CN109882822B (en) * | 2018-06-20 | 2020-06-09 | 青岛佰腾科技有限公司 | Design method of steam boiler with different diameters of ascending pipe and descending pipe |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1374574A (en) * | 2002-04-16 | 2002-10-16 | 南京工业大学 | Hot-fin heater exchanger |
| CN2689056Y (en) * | 2004-02-24 | 2005-03-30 | 刘金刚 | Waste heat steaming generators |
| JP2007263427A (en) * | 2006-03-28 | 2007-10-11 | Seizo Hataya | Loop type heat pipe |
| CN201387264Y (en) * | 2009-04-01 | 2010-01-20 | 南京师范大学 | Heat exchanger for condensing gas heater |
| CN201892454U (en) * | 2010-07-30 | 2011-07-06 | 安丽芳 | Integrated uniform-temperature split-type thermotube heat exchanger |
| CN201944818U (en) * | 2010-12-31 | 2011-08-24 | 湖南正大轻科机械有限公司 | Device for utilizing high-temperature waste gas to generate steam |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2581122B2 (en) * | 1988-01-20 | 1997-02-12 | 石川島播磨重工業株式会社 | Steam generator |
| JPH1184302A (en) * | 1997-09-05 | 1999-03-26 | Canon Inc | Deflection scanner |
-
2012
- 2012-04-16 CN CN201210110507.3A patent/CN102635842B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1374574A (en) * | 2002-04-16 | 2002-10-16 | 南京工业大学 | Hot-fin heater exchanger |
| CN2689056Y (en) * | 2004-02-24 | 2005-03-30 | 刘金刚 | Waste heat steaming generators |
| JP2007263427A (en) * | 2006-03-28 | 2007-10-11 | Seizo Hataya | Loop type heat pipe |
| CN201387264Y (en) * | 2009-04-01 | 2010-01-20 | 南京师范大学 | Heat exchanger for condensing gas heater |
| CN201892454U (en) * | 2010-07-30 | 2011-07-06 | 安丽芳 | Integrated uniform-temperature split-type thermotube heat exchanger |
| CN201944818U (en) * | 2010-12-31 | 2011-08-24 | 湖南正大轻科机械有限公司 | Device for utilizing high-temperature waste gas to generate steam |
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| CN102635842A (en) | 2012-08-15 |
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Application publication date: 20120815 Assignee: Tuopu Industry (Jiangsu) Co., Ltd. Assignor: Nanjing University of Technology|Nanjing rcthermal Energy Equipment Co., Ltd. Contract record no.: 2015320000047 Denomination of invention: Separated type fin plate steam generator Granted publication date: 20140702 License type: Exclusive License Record date: 20150302 |
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Assignee: TOP INDUSTRY (JIANGSU) Co.,Ltd. Assignor: NANJING TECH University|NANJING RCT THERMAL ENERGY EQUIPMENT Co.,Ltd. Contract record no.: 2015320000047 Date of cancellation: 20200709 |
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