CN202171401U - Organic Rankine waste heat power-generating energy-saving dust-removing specialized equipment for high-temperature alternate flue gas of metallurgical furnace - Google Patents
Organic Rankine waste heat power-generating energy-saving dust-removing specialized equipment for high-temperature alternate flue gas of metallurgical furnace Download PDFInfo
- Publication number
- CN202171401U CN202171401U CN2011202866034U CN201120286603U CN202171401U CN 202171401 U CN202171401 U CN 202171401U CN 2011202866034 U CN2011202866034 U CN 2011202866034U CN 201120286603 U CN201120286603 U CN 201120286603U CN 202171401 U CN202171401 U CN 202171401U
- Authority
- CN
- China
- Prior art keywords
- heat
- flue gas
- metallurgical furnace
- working medium
- waste heat
- 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.)
- Expired - Lifetime
Links
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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
A set of organic Rankine waste heat power-generating energy-saving dust-removing specialized equipment for high-temperature alternate flue gas of metallurgical furnace comprises the following components: a combustion settling chamber, a settlement heat exchange chamber, a booster fan, a deduster, a main fan and an exhaust pipe. The organic Rankine waste heat power-generating energy-saving dust-removing specialized equipment for the high-temperature alternate flue gas of the metallurgical furnace is characterized in that: the combustion settling chamber is successively connected with the settlement heat exchange chamber, the booster fan, the deduster, the main fan and the exhaust pipe; the settlement heat exchange chamber is internally provided with a heat pipe exchanger; a cold water inlet of the heat pipe exchanger is connected with a water feeding pump; a hot water outlet of the heat pipe exchanger is connected with a heat storage type evaporator; a working medium inlet end of the heat storage type evaporator is connected with a working medium circulating pump, and a working medium outlet end of the heat storage type evaporator is connected with a steam turbine; one end of the turbine is connected with a condenser, and the other end is connected with a power generator. The booster fan and discharging pipeline which is connected with the upper part of the metallurgical furnace are connected with the deduster. The organic Rankine waste heat power-generating energy-saving dust-removing specialized equipment for the high-temperature alternate flue gas of the metallurgical furnace is further characterized in that R124 is adopted as circulating organic working medium. A waste heat power generation device replaces equipment combinations such as water pipe array waste heat boiler. Not only is system configuration simplified, but also the heat in the flue gas is maximally recovered for being converted to high-grade electric energy.
Description
Technical field
The utility model relates to metallurgical furnace high temperature alternation flue gas organic Rankine cogeneration energy-saving dedusting technical field.
Background technology
The purifier of metallurgical furnace flue gas is that metallurgical furnace flue gas generation equipment, UTILIZATION OF VESIDUAL HEAT IN facility, deduster connect through pipeline successively in the prior art.
Usually the UTILIZATION OF VESIDUAL HEAT IN facility that adopts at present: water row tube waste heat boiler, heat accumulating type waste heat boiler reclaim the waste heat of metallurgical furnace flue gas, produce saturated vapor etc.Because the big ups and downs of metallurgical furnace flue gas temperature, dustiness is big, and light water tubulation waste heat boiler is difficult to apply to the waste heat recovery of metallurgical furnace flue gas.At present; The heat accumulating type waste heat boiler has successfully applied in the electric furnace flue gas waste heat recovery; But, make the heat accumulating type waste heat boiler also face a lot of problems at steel industry universal because the inherent shortcoming of heat exchanger tube (cost is high, not freeze proof, non-refractory, service life short).
Simultaneously, because the metallurgical furnace flue gas temperature fluctuation is violent, wave amplitude is big, and the waste heat system just must design enough greatly, guarantees that high-temperature flue gas also can effectively cool off.But actual steam output the situation of low load with strong power occurs far below the evaporation capacity of waste heat system.The economic worth that this has just reduced the waste heat system has relatively increased the investment of waste heat system.
Summary of the invention
To the problems referred to above; The utility model provides metallurgical furnace high temperature alternation flue gas organic Rankine cogeneration energy-saving dedusting special equipment, and it is cooling down high-temperature flue gas (850 ℃～80 ℃ of temperature ranges) efficiently, and the heat energy that can also reclaim to greatest extent in the flue gas is converted into the high-grade electric energy; Drag dedusting fan; Can reduce simultaneously the exhaust temperature of flue gas, improve dust collection capacity, and not influence the stable and continuous of metallurgical furnace production.
The utility model solves the technical scheme that its technical problem adopted: it comprises combustion settling chamber, sedimentation Heat Room, booster fan, deduster, main air blower, aiutage; It is characterized in that: said combustion settling chamber be linked in sequence sedimentation Heat Room, booster fan, deduster, main air blower, aiutage; Separation sleeve tubing hot-pipe heat exchanger is installed in the said sedimentation Heat Room; The cooling water inlet of separation sleeve tubing hot-pipe heat exchanger is connected with the heat exchanger feed pump; The hot water outlet of separation sleeve tubing hot-pipe heat exchanger connects the hot water inlet of heat accumulating type evaporimeter; The cooling water outlet of heat accumulating type evaporimeter connects circulating water pool, and circulating water pool is connected with the heat exchanger feed pump, constitutes a loop.The working medium entrance point of heat accumulating type evaporimeter is connected with the high-pressure outlet end of working medium circulating pump; The sender property outlet end of heat accumulating type evaporimeter is connected with the upper flange interface of steam turbine behind pipeline; The bottom interface of low boiling working fluid steam turbine is connected with the air inlet of horizontal shell-and-tube cooler through pipeline, and the liquid phase outlet of horizontal shell-and-tube cooler is connected with the low pressure inlet end of working medium circulating pump through pipeline, and the low boiling working fluid steam turbine is connected with threephase generator; An end flange interface of horizontal shell-and-tube cooler is connected with water circulating pump; Another end of horizontal shell-and-tube cooler connects cooling tower, and cooling tower is connected with water circulating pump, constitutes another loop.Said booster fan is connected deduster in the lump with the outer discharge pipe that is connected the metallurgical furnace top, and deduster connects main air blower through pipeline, and main air blower is connected with aiutage.
It is further characterized in that: adopting R124 is the circulation organic working medium.
In the said structure of the utility model; System configuration had both been simplified in the combination of equipment such as device for generating power by waste heat place of water tubulation waste heat boiler, heat accumulating type waste heat boiler, and the heat energy that can reclaim to greatest extent again in the flue gas is converted into the high-grade electric energy; Drag dedusting fan; Can reduce simultaneously the exhaust temperature of flue gas, improve dust collection capacity, reach the purpose that energy-conserving and environment-protective are produced.
The beneficial effect of the utility model is: because the combination of equipment such as device for generating power by waste heat place of water tubulation waste heat boiler, heat accumulating type waste heat boiler, so plant area is economized, investment and operating cost are low; The heat energy that can reclaim to greatest extent in the flue gas is converted into the high-grade electric energy, drags dedusting fan, has reduced system's operation energy consumption; Sensible heat is fully utilized, and has reduced the exhaust temperature of flue gas, because the exhaust temperature of flue gas can maintain below 80 ℃, the filtrate in the sack cleaner can be selected cheapest normal temperature cloth bag for use, has reduced investment and operating cost; Concentration of emission is low, can guarantee to discharge dust concentration below 10mg/Nm3.，
Description of drawings
Fig. 1 is the structural representation of the utility model
1. metallurgical furnaces among the figure, 2. water-cooled sliding sleeve, 3. combustion settling chamber, 4. sedimentation Heat Room, 5. outer discharge pipe; 6. booster fan, 7. deduster, 8. blower fan, 9. aiutage, 10. separation sleeve tubing hot-pipe heat exchanger; 11. the heat exchanger feed pump, 12. circulating water pools, 13. heat accumulating type evaporimeters, 14. low boiling working fluid steam turbines, 15. threephase generators; 16. working medium circulating pump, 17. water circulating pumps, 18. horizontal shell-and-tube coolers, 19. cooling towers.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Metallurgical furnace high temperature alternation flue gas organic Rankine cogeneration energy-saving dedusting special equipment comprises combustion settling chamber 3, sedimentation Heat Room 4, outer discharge pipe 5 in the utility model; Booster fan 6; Deduster 7, main air blower 8, aiutage 9, said combustion settling chamber 3 be linked in sequence sedimentation Heat Room 4, booster fan 6, deduster 7, main air blower 8, aiutage 9; Separation sleeve tubing hot-pipe heat exchanger 10 is installed in the said sedimentation Heat Room 4; The cooling water inlet of separation sleeve tubing hot-pipe heat exchanger 10 is connected with heat exchanger feed pump 11, and the hot water outlet of separation sleeve tubing hot-pipe heat exchanger 10 connects the hot water inlet of heat accumulating type evaporimeter 13, and the cooling water outlet of heat accumulating type evaporimeter 13 connects circulating water pool 12; Circulating water pool 12 is connected with heat exchanger feed pump 11, constitutes a loop.The working medium entrance point of heat accumulating type evaporimeter 13 is connected with the high-pressure outlet end of working medium circulating pump 16; The sender property outlet end of heat accumulating type evaporimeter 13 is connected with the upper flange interface of steam turbine 14 behind pipeline; The bottom interface of low boiling working fluid steam turbine 14 is connected with the air inlet of horizontal shell-and-tube cooler 18 through pipeline; The liquid phase outlet of horizontal shell-and-tube cooler 18 is connected with the low pressure inlet end of working medium circulating pump 16 through pipeline; Low boiling working fluid steam turbine 14 is connected with threephase generator 15, and an end flange interface of horizontal shell-and-tube cooler 18 is connected with water circulating pump 17, and another end of horizontal shell-and-tube cooler 18 connects cooling tower 19; Cooling tower 19 is connected with water circulating pump 17, constitutes another loop.Said booster fan 6 is connected deduster 7 in the lump with the outer discharge pipe 5 that is connected metallurgical furnace 1 top, and deduster 7 connects main air blower 8 through pipeline, and main air blower 8 is connected with aiutage 9.
Said low boiling working fluid is R124; The power pressure that gets into the low boiling working fluid steam turbine is 2.35MPa, and when the power pressure after the acting of expanding was 0.45MPa, system's electromotive power output was 2750KW; Rankine cycle efficient is 21.5%, and the flue-gas temperature that system discharges is 80 ℃.
The course of work of the utility model: smoke discharging flow 28 * 10 in the 100t/h metallurgical furnace 1
4Nm3/h, 850 ℃ of temperature, dust content 25g/Nm3 is discharged by the 4th hole, sneaks into cold wind through water-cooled sliding sleeve 2, gets into combustion settling chamber 3 behind the burning CO gas; The effect of combustion settling chamber 3 is: reduce flue gas flow rate, make the big dust particle sedimentation of carrying in the flue gas, and suitably sneak into cold wind; Finally burn CO gas; Flue gas through combustion settling chamber 3 gets into sedimentation Heat Room 4, and high-temperature flue gas is emitted heat, and temperature is reduced to 80 ℃; Flue gas through cooling is mixed by the flue gas that booster fan 6 comes out with the outer discharge pipe 5 that is connected metallurgical furnace 1 top comes out and gets into deduster 7 in the lump, and dust concentration is less than 10mg/Nm3 after dedusting.Be pressed into aiutage 9 by main air blower 8 and enter atmosphere.Simultaneously, recirculated water drives through heat exchanger feed pump 11, gets into the heat that absorbs flue gas in the separation sleeve tubing hot-pipe heat exchanger 10 that is installed in the sedimentation Heat Room 4; Form steam water interface; Steam water interface gets in the heat accumulating type evaporimeter 13 under the Natural Circulation force urges, emits heat, becomes water at low temperature; Water at low temperature flows into circulating water pool 12, the circulation of a beginning new round.
Low boiling working fluid drives through working medium pump 16, in heat accumulating type evaporimeter 13, absorbs the heat of steam water interface, becomes saturated vapor, behind pressure regulator valve, and the working substance steam acting of low boiling working fluid steam turbine 14 in, expanding, and drive threephase generator 15 generates electricity.The working substance steam of discharging from low boiling working fluid steam turbine 14 is condensed into saturated liquid by horizontal shell-and-tube cooler 18, sends in the heat accumulating type evaporimeter 13 circulation of a beginning new round after by working medium pump 16 worker quality liquid being pressurizeed again.The electric energy that system sends is a three-phase alternating current, and rated voltage is 380V, incorporates electrical network in the factory into after can passing through pressure regulation, or directly gives consumer and use.
The maximum characteristics of this equipment are to adopt low boiling working fluid organic Rankine circulation cogeneration to reclaim the waste heat of metallurgical furnace flue gas.With waste heat recovery of 100t/h metallurgical furnace and dust collecting process is example, and dedusting is relatively explained as follows after the utility model flow process and the conventional UTILIZATION OF VESIDUAL HEAT IN:
Annotate: work per year and calculated in 330th.
This shows that the utility model smoke dust discharge concentration is low, plant investment is low, operation energy consumption is low, good purification.
The heat energy that the utility model can reclaim in the flue gas to greatest extent is converted into the high-grade electric energy, can also reach good environment protecting.
Claims (2)
1. metallurgical furnace high temperature alternation flue gas organic Rankine cogeneration energy-saving dedusting special equipment; Comprise combustion settling chamber, sedimentation Heat Room, booster fan, deduster, main air blower, aiutage; It is characterized in that: said combustion settling chamber be linked in sequence sedimentation Heat Room, booster fan, deduster, main air blower, aiutage, separation sleeve tubing hot-pipe heat exchanger is installed in the said sedimentation Heat Room, the cooling water inlet of separation sleeve tubing hot-pipe heat exchanger is connected with the heat exchanger feed pump; The hot water outlet of separation sleeve tubing hot-pipe heat exchanger connects the hot water inlet of heat accumulating type evaporimeter; The cooling water outlet of heat accumulating type evaporimeter connects circulating water pool, and circulating water pool is connected with the heat exchanger feed pump, constitutes a loop; The working medium entrance point of heat accumulating type evaporimeter is connected with the high-pressure outlet end of working medium circulating pump; The sender property outlet end of heat accumulating type evaporimeter is connected with the upper flange interface of steam turbine behind pipeline, and the bottom interface of low boiling working fluid steam turbine is connected with the air inlet of horizontal shell-and-tube cooler through pipeline, and the liquid phase outlet of horizontal shell-and-tube cooler is connected with the low pressure inlet end of working medium circulating pump through pipeline; The low boiling working fluid steam turbine is connected with threephase generator; An end flange interface of horizontal shell-and-tube cooler is connected with water circulating pump, and another end of horizontal shell-and-tube cooler connects cooling tower, and cooling tower is connected with water circulating pump; Constitute another loop; Said booster fan is connected deduster in the lump with the outer discharge pipe that is connected the metallurgical furnace top, and deduster connects main air blower through pipeline, and main air blower is connected with aiutage.
2. metallurgical furnace high temperature alternation flue gas organic Rankine cogeneration energy-saving dedusting special equipment according to claim 1 is characterized in that: adopting R124 is the circulation organic working medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202866034U CN202171401U (en) | 2011-08-04 | 2011-08-04 | Organic Rankine waste heat power-generating energy-saving dust-removing specialized equipment for high-temperature alternate flue gas of metallurgical furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202866034U CN202171401U (en) | 2011-08-04 | 2011-08-04 | Organic Rankine waste heat power-generating energy-saving dust-removing specialized equipment for high-temperature alternate flue gas of metallurgical furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202171401U true CN202171401U (en) | 2012-03-21 |
Family
ID=45829596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202866034U Expired - Lifetime CN202171401U (en) | 2011-08-04 | 2011-08-04 | Organic Rankine waste heat power-generating energy-saving dust-removing specialized equipment for high-temperature alternate flue gas of metallurgical furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202171401U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765772A (en) * | 2019-04-01 | 2020-10-13 | 山东邦巨实业有限公司 | Electric furnace dust removal heat energy recovery system |
-
2011
- 2011-08-04 CN CN2011202866034U patent/CN202171401U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765772A (en) * | 2019-04-01 | 2020-10-13 | 山东邦巨实业有限公司 | Electric furnace dust removal heat energy recovery system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202145101U (en) | Organic rankine cycle waste heat power generating and dedusting special device for flue gas of metallurgical furnace | |
| CN202470793U (en) | Equipment special for using waste heat of high dust content flue gas of submerged arc furnace in cascade mode and removing dust | |
| CN202188771U (en) | Device special for organic rankine cogeneration, energy saving and dedusting of electric furnace high-temperature alternating smoke | |
| CN103017547A (en) | Power generation, energy saving and dedusting method by utilizing heat waste of exhaust gas in electric furnace through organic rankine cycle | |
| CN201837260U (en) | Electric furnace flue gas organic Rankine cycle waste heat power generation and dust removing special device | |
| CN103017552A (en) | Organic Rankine cycle waste heat power generation and dust removal method of flue gas of metallurgical furnace | |
| CN105318733A (en) | Utilizing method for flue gas waste heat of electric furnace | |
| CN202171401U (en) | Organic Rankine waste heat power-generating energy-saving dust-removing specialized equipment for high-temperature alternate flue gas of metallurgical furnace | |
| CN202145097U (en) | Flue gas heat accumulating type waste heat power generation special equipment for metallurgical furnace | |
| CN202254898U (en) | Metallurgical furnace high temperature alternating smoke multistage organic rankine cycle waste heat power generation special hardware | |
| CN103017553A (en) | Regenerative submerged arc furnace flue gas waste heat power generation method | |
| CN202747822U (en) | Special device for high-temperature alternating smoke gas residual heat power generation, energy conservation and dust removal of metallurgical furnace | |
| CN202915733U (en) | Special energy-saving dust-removing equipment for generating power by using high-temperature flue gas from metallurgical furnace | |
| CN103383199A (en) | Integrated waste heat generating and dust removing method utilizing flue gas from interior and exterior of electric furnace | |
| CN202254894U (en) | Electric furnace smoke multilevel organic ranking cycle waste heat generating and dedusting special device | |
| CN103134334A (en) | Metallurgical furnace internal and external exhaust smoke waste heat power generation energy-saving dedusting method | |
| CN202747821U (en) | Metallurgical furnace smoke organic Rankine cycle waste heat power generation energy-saving dedusting special equipment | |
| CN202915738U (en) | Special equipment for cogeneration, energy saving and dust removing of flue gas of semi-closed electric furnace | |
| CN202171400U (en) | Energy-saving dust removal special device capable of generating power by waste heat of exhaust fume in electric furnace | |
| CN202915734U (en) | Specific high dust-content flue gas organic Rankine waste heat power generation energy-saving dedusting equipment for metallurgical furnace | |
| CN202145099U (en) | Flue-gas organic Rankine waste heat power generation device with thermal storage temperature equalizer for metallurgical furnace | |
| CN203177671U (en) | Metallurgical furnace high-temperature flue gas waste-heat utilization dedusting special device | |
| CN202915735U (en) | Specific equipment with steam drum for metallurgical furnace flue gas waste heat power generation energy-saving dedusting | |
| CN202747823U (en) | Metallurgical furnace smoke waste heat power generation energy-saving dedusting special equipment with liquid storage tank | |
| CN103836990A (en) | Electric furnace flue gas organic Rankine waste heat power-generation energy-conservation and dust-removal method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WUXI DONGYOU ENVIRONMENTAL PROTECTION TECHNOLOGY C Free format text: FORMER OWNER: WANG ZHENGXIN Effective date: 20121011 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 214021 WUXI, JIANGSU PROVINCE TO: 214181 WUXI, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121011 Address after: 214181, No. 99, middle Yu Yan Road, former Chau Street, Wuxi, Jiangsu Patentee after: Wuxi Dongyou Environmental Science & Technology Co., Ltd. Address before: 58-402 room 214021, Jiangnan, Nanchang District, Jiangsu, Wuxi Patentee before: Wang Zhengxin |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120321 |
|
| CX01 | Expiry of patent term |