CN104180675A - Power generation system using heating furnace waste heat integrally - Google Patents
Power generation system using heating furnace waste heat integrally Download PDFInfo
- Publication number
- CN104180675A CN104180675A CN201410408697.6A CN201410408697A CN104180675A CN 104180675 A CN104180675 A CN 104180675A CN 201410408697 A CN201410408697 A CN 201410408697A CN 104180675 A CN104180675 A CN 104180675A
- Authority
- CN
- China
- Prior art keywords
- steam
- low
- superheated steam
- pressure
- heat exchanger
- 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
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
-
- 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
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Abstract
The invention discloses a power generation system using the heating furnace waste heat integrally and aims to generate power by integrally using the cooling water beam waste heat in a heating furnace and the waste heat of smoke in a tail smoke channel. The system at least comprises a high-pressure superheated steam producing mechanism, a low-pressure superheated steam producing mechanism, a steam supplementing and condensing turbine and a generator. The steam outlet of the high-pressure superheated steam producing mechanism is connected to the main steam port of the steam supplementing and condensing turbine, and the steam outlet of the low-pressure superheated steam producing mechanism is connected to the steam supplementing port of the steam supplementing and condensing turbine. The produced high-pressure superheated steam and the low-pressure superheated steam enter the main steam port and the steam supplementing port to generate power respectively, energy is utilized in a stepped manner, and the power generating efficiency is improved; by the aid of the system, the smoke waste heat is recovered as much as possible, the temperature of the smoke during exhausting is decreased, and the waste heat source loss is reduced; since the hot steam is adopted for power generation, the quality of power generated by the steam is improved, the power generating efficiency is improved, and the service life of the steam supplementing and condensing turbine is prolonged.
Description
Technical field
The present invention relates to a kind of heating furnace residual heat integrative and utilize electricity generation system.
Background technology
At present, the heating furnace of Metallurgical Factory adopts heat storage type combustion, conventional combustion and oxygen-enriched combusting.For conventional combustion, owing to also having 79% nitrogen in air except 21% oxygen, in combustion process, nitrogen does not participate in combustion reaction, is all converted to flue gas.Oxygen-enriched combusting is to come part to replace combustion air and fuel to carry out combustion reaction with pure oxygen, adopts oxygen-enriched combusting can reduce exhaust gas volumn, reduces the heat that flue gas is taken away.Under conventional combustion and oxygen-enriched combusting condition, the heating furnace 900 ℃ of left and right of flue-gas temperature of coming out of the stove, traditional exhaust heat recovering method is that highly effective air and gas preheater are set in flue, utilize waste heat to carry out preheating to combustion air and coal gas, through combustion air and coal gas are carried out after preheating, general flue-gas temperature still has 350 ℃ of left and right, then directly through smoke stack emission, has wasted a large amount of energy.
Summary of the invention
For the problems referred to above, the invention provides and a kind ofly fully utilize the heating furnace residual heat integrative that cooling water beam waste heat in heating furnace and the fume afterheat in back-end ductwork generate electricity and utilize electricity generation system.
For achieving the above object, heating furnace residual heat integrative of the present invention utilizes electricity generation system at least to comprise the generator that high pressure superheated steam produces mechanism, low-pressure superheated steam generation mechanism, filling condensing turbine and is in transmission connection with described filling condensing turbine, the air intake group of described filling condensing turbine comprises main steam ports and filling mouth, the steam (vapor) outlet that described high pressure superheated steam produces mechanism is connected with described main steam ports, and the steam (vapor) outlet that described low-pressure superheated steam produces mechanism is connected with described filling mouth;
Described high pressure superheated steam produces mechanism and comprises high pressure drum, is arranged in heating furnace for absorbing the carbonated drink cooling heat exchanger of cooling water beam waste heat and being arranged on the high pressure superheated steam heat exchanger in back-end ductwork, described high pressure drum and described carbonated drink cooling heat exchanger are interconnected by hot water circulating pump, form the first closed circuit, the steam (vapor) outlet of high pressure drum is connected with the steam inlet of high pressure superheated steam heat exchanger, and the steam (vapor) outlet of high pressure superheated steam heat exchanger is the steam (vapor) outlet that described high pressure superheated steam produces mechanism; Water in high pressure drum forms high-pressure saturated steam after described the first closed circuit in high pressure drum, described high-pressure saturated steam changes high pressure superheated steam into after described high pressure superheated steam heat exchanger is overheated, described high pressure superheated steam enters the main steam ports of described filling condensing turbine, for filling condensing turbine, drives described generator generating;
Described low-pressure superheated steam produces mechanism and comprises low-pressure drum, is arranged on the low pressure steam-generating bank heat exchanger in back-end ductwork and is arranged on the low-pressure superheated steam heat exchanger in back-end ductwork, described low-pressure drum and described low pressure steam-generating bank heat exchanger are interconnected, form the second closed circuit, the steam (vapor) outlet of low-pressure drum is connected with the steam inlet of low-pressure superheated steam heat exchanger, and the steam (vapor) outlet of low-pressure superheated steam heat exchanger is the steam (vapor) outlet that described low-pressure superheated steam produces mechanism; Water in low-pressure drum forms saturation water and low-pressure saturated steam after described the second closed circuit in low-pressure drum, described low-pressure saturated steam changes low-pressure superheated steam into after low-pressure superheated steam heat exchanger is overheated, described low-pressure superheated steam enters the filling mouth of described filling condensing turbine, for filling condensing turbine, drives described generator generating;
Between described high pressure drum and low-pressure drum, be connected with feed pump, the described saturation water in described low-pressure drum is transported in described high pressure drum; Described high pressure superheated steam heat exchanger, described low-pressure superheated steam heat exchanger and described low pressure steam-generating bank heat exchanger are successively set in back-end ductwork by flue gas flow direction.
Further, described electricity generation system also comprises the economizer being arranged in back-end ductwork, after described economizer is arranged on described low pressure steam-generating bank heat exchanger according to flue gas flow direction, the condenser of described filling condensing turbine is connected with the entrance of described economizer by condensate pump, the outlet of described economizer is connected with described low-pressure drum, and the condensate water that described condenser reclaims enters in described low-pressure drum after absorbing heat in described economizer.
Particularly, the end of described back-end ductwork is connected with air-introduced machine, and described air-introduced machine is connected with chimney.
Particularly, the high pressure in described high-pressure saturated steam and described high pressure superheated steam is within the scope of 0.8～2.0MPa, and the low pressure in described low-pressure saturated steam and described low-pressure superheated steam is within the scope of 0.2～0.8MPa
The present invention, both to cooling water beam waste heat recovery, also to flue gas waste heat recovery, utilizes the residual heat resources that reclaim to generate electricity, and takes full advantage of residual heat resources.Main steam ports and filling mouth that the high pressure superheated steam that the present invention produces and low-pressure superheated steam have entered respectively filling condensing turbine, realized the cascade utilization of energy, improved the thermal efficiency of generating.In back-end ductwork, arrange successively high pressure superheated steam heat exchanger, low-pressure superheated steam heat exchanger, low pressure steam-generating bank heat exchanger, economizer, be used for absorbing the waste heat of different qualities, flue-gas temperature is constantly reduced, the residual heat resources of flue gas are utilized as much as possible.Adopt superheated steam generation, improved generating quality and the generating thermal efficiency of steam, but also improved the mass dryness fraction of filling condensing turbine steam discharge, thereby extended the service life of filling condensing turbine.
Accompanying drawing explanation
Fig. 1 is the structural representation that the heating furnace residual heat integrative of embodiment 1 utilizes electricity generation system;
Fig. 2 is the structural representation that the heating furnace residual heat integrative of embodiment 2 utilizes electricity generation system.
The specific embodiment
Below in conjunction with Figure of description, the present invention will be further described.
Embodiment 1
As shown in Figure 1, the waste heat that the present embodiment reclaims comprises two parts: the flue gas of the waste heat of cooling water beam and 350 ℃ of left and right of the back-end ductwork of heating furnace in heating furnace burner hearth.In the burner hearth of heating furnace 1, be provided with carbonated drink cooling heat exchanger 16, be used for absorbing the waste heat of cooling water beam.In back-end ductwork, according to flue gas flow direction, set gradually high pressure superheated steam heat exchanger 2, low-pressure superheated steam heat exchanger 3, low pressure steam-generating bank heat exchanger 4, be used for absorbing the waste heat of flue gas.The end of back-end ductwork is connected with air-introduced machine 6, and air-introduced machine 6 is connected with chimney 7.After the high-temperature flue gas preheated air coal gas that heating-furnace chamber inner combustion produces, flue-gas temperature is reduced to 350 ℃ of left and right, then flue gas high pressure superheated steam heat exchanger 2, low-pressure superheated steam heat exchanger 3, the low pressure steam-generating bank heat exchanger 4 in back-end ductwork of flowing through successively, flue-gas temperature constantly reduces, last flue gas is discharged through chimney 7 under the effect of air-introduced machine 6, thereby has realized the recovery to fume afterheat.
The present embodiment heating furnace residual heat integrative utilizes electricity generation system to comprise that high pressure superheated steam produces mechanism, low-pressure superheated steam produces mechanism, filling condensing turbine 8 and generator 9, wherein filling condensing turbine 8 and generator 9 are in transmission connection, and filling condensing turbine drives generator to carry out generating work.The air intake group of filling condensing turbine 8 comprises main steam ports and filling mouth, high pressure superheated steam produces the steam (vapor) outlet of mechanism and the main steam ports of filling condensing turbine 8 is connected, and the steam (vapor) outlet that low-pressure superheated steam produces mechanism is connected with the filling mouth of filling condensing turbine 8.
High pressure superheated steam produces mechanism and comprises high pressure drum 14, carbonated drink cooling heat exchanger 16 and high pressure superheated steam heat exchanger 2.Wherein carbonated drink cooling heat exchanger 16 is arranged in the burner hearth of heating furnace, for absorbing the waste heat of cooling water beam.High pressure drum 14 is connected with the entrance of carbonated drink cooling heat exchanger 16 by hot water circulating pump 15, the outlet of carbonated drink cooling heat exchanger 16 is connected with high pressure drum 14 again, namely between high pressure drum 14 and carbonated drink cooling heat exchanger 16, be interconnected, form the first closed circuit, this first closed circuit forces to carry out periodic duty by hot water circulating pump 15.The steam (vapor) outlet of high pressure drum 14 is connected with the steam inlet of high pressure superheated steam heat exchanger 2, the steam (vapor) outlet of high pressure superheated steam heat exchanger 2 is the steam (vapor) outlet that described high pressure superheated steam produces mechanism, that is to say that the steam (vapor) outlet of high pressure superheated steam heat exchanger 2 and the main steam ports of filling condensing turbine 8 are connected.
The water of high pressure drum 14 bottoms enters the waste heat of the interior absorption cooling water beam of carbonated drink cooling heat exchanger 16 under the effect of hot water circulating pump 15, water after heat absorption has become steam water interface, again enter high pressure drum 14, thereby completed the circulation of primary cooling water beam waste heat recovery.Because the waste heat of cooling water beam is absorbed, cooling water beam can Yin Gaowen and is produced distortion, thereby has guaranteed the carrying out of heating furnace safety.Because high pressure drum 14 is except the container as water storage storage vapour, can also change high-pressure saturated steam into by steam water interface, so when steam water interface enters after high pressure drum 14 again, a steam water interface part has been transformed into high-pressure saturated steam, a part changes saturation water into.Subsequently, high-pressure saturated steam enters in high pressure superheated steam heat exchanger 2, heat absorption changes high pressure superheated steam into after heating, high pressure superheated steam enters the main steam ports of filling condensing turbine 8, for filling condensing turbine 8, drive generator 9 generatings, the temperature of the flue gas in back-end ductwork is reduced simultaneously.
Low-pressure superheated steam produces mechanism and comprises low-pressure drum 12, is arranged on low pressure steam-generating bank heat exchanger 4 and low-pressure superheated steam heat exchanger 3 in back-end ductwork.Described low-pressure drum 12 is connected with the entrance of described low pressure steam-generating bank heat exchanger 4, the outlet of described low pressure steam-generating bank heat exchanger 4 is connected with low-pressure drum 12 again, that is to say between low-pressure drum 12 and described low pressure steam-generating bank heat exchanger 4 and be interconnected, form the second closed circuit.The steam (vapor) outlet of low-pressure drum 12 is connected with the steam inlet of low-pressure superheated steam heat exchanger 3, the steam (vapor) outlet of low-pressure superheated steam heat exchanger 3 is the steam (vapor) outlet that described low-pressure superheated steam produces mechanism, also just says that the steam (vapor) outlet of low-pressure superheated steam heat exchanger 3 is connected with the filling mouth of filling condensing turbine 8.Low-pressure drum inside is provided with oxygen-eliminating device.
The water of low-pressure drum 12 bottoms enters in low pressure steam-generating bank heat exchanger 4, absorbs after fume afterheat, has been transformed into steam water interface, and steam water interface enters in low-pressure drum 12 again, thereby completes a cyclic process.This second closed circuit without any need for external force, due to what flow in the pipeline between described low-pressure drum 12 and the entrance of described low pressure steam-generating bank heat exchanger 4, be water, and what flow in the outlet of described low pressure steam-generating bank heat exchanger 4 and the pipeline between low-pressure drum 12 is steam water interface, so the second closed circuit is the poor Natural Circulation process completing of severe that relies on water and steam water interface.Because low-pressure drum is except can be used as the container of water storage storage vapour, steam water interface can also be changed into low-pressure saturated steam and saturation water, so when steam water interface enters after low-pressure drum 12 again, part steam water interface has been transformed into low-pressure saturated steam, and another part steam water interface has been transformed into saturation water.Subsequently, low-pressure saturated steam enters in low-pressure superheated steam heat exchanger 3, heat absorption changes low-pressure superheated steam into after heating, low-pressure superheated steam enters the filling mouth of filling condensing turbine 8, for filling condensing turbine 8, drive generator 9 generatings, the flue-gas temperature in back-end ductwork is further reduced simultaneously.Owing to being provided with oxygen-eliminating device in low-pressure drum, the low-pressure saturated steam forming in low-pressure drum can carry out thermal de-aeration to the water in oxygen-eliminating device, makes the water in low-pressure drum remove oxygen, has removed carbon dioxide simultaneously.
Between high pressure drum 14 and low-pressure drum 12, by feed pump 13, be connected, at the saturation water of low-pressure drum 12 interior formation, through feed pump 13, squeeze in high pressure drum 14, participate in the cyclic process between high pressure drum 14 and carbonated drink cooling heat exchanger 16.
The present invention adopts the mode that the superheated steam producing after the waste heat recovery of flue gas in the waste heat of cooling water beam in heating furnace and back-end ductwork is fully utilized to generating, the mode that the steam producing after to the waste heat recovery of cooling water beam in heating furnace with respect to independent employing generates electricity and adopt separately the mode that the steam producing after the waste heat recovery of flue gas in back-end ductwork is generated electricity, each device of the present embodiment distributes rationally, more can absorb the low grade residual heat of low-temperature flue gas in back-end ductwork, reduce exhaust gas temperature, reduce energy loss.
The high-pressure saturated steam that the present embodiment utilizes high pressure superheated steam heat exchanger 2 that high pressure drum 14 is produced is overheated, makes high-pressure saturated steam change high pressure superheated steam into, and high pressure superheated steam enters the main steam ports of filling condensing turbine 8; The low-pressure saturated steam that simultaneously utilizes low-pressure superheated steam heat exchanger 3 that low-pressure drum 12 is produced is overheated, makes low-pressure saturated steam change low-pressure superheated steam into, and low-pressure superheated steam enters the filling mouth of filling condensing turbine 8.Main steam ports and filling mouth that the high pressure superheated steam that the present embodiment produces and low-pressure superheated steam have entered respectively filling condensing turbine 8, cascaded utilization of energy, has improved the thermal efficiency of generating.
The present embodiment is in line with the principle of energy cascade utilization, in back-end ductwork, arrange successively high pressure superheated steam heat exchanger 2, low-pressure superheated steam heat exchanger 3, low pressure steam-generating bank heat exchanger 4, be used for absorbing the waste heat of different qualities, flue-gas temperature is constantly reduced, the residual heat resources of flue gas are utilized as much as possible.The more important thing is, low-pressure superheated steam heat exchanger 3 of the present invention, low pressure steam-generating bank heat exchanger 4 have utilized the low grade residual heat of flue gas, have reduced temperature when flue gas is discharged, and reduce the loss of residual heat resources.
The present invention adopts superheated steam generation, has improved the generating quality of steam.Superheated steam generation is for saturated vapor generating, and superheated steam generation not only makes the whole generating thermal efficiency improve, but also has improved the mass dryness fraction of filling condensing turbine 8 steam discharges, thereby has extended the service life of filling condensing turbine 8.
The present embodiment, has been saved a large amount of water resources and has driven water circulation electric energy with respect to traditional type of cooling the type of cooling of cooling water beam, has reduced investment.
Embodiment 2
As shown in Figure 2, the present embodiment is provided with economizer 5 on the basis of above-described embodiment 1 in back-end ductwork, after described economizer is arranged on described low pressure steam-generating bank heat exchanger according to flue gas flow direction, the condenser 10 of described filling condensing turbine 8 is connected with the entrance of described economizer by condensate pump 11, the outlet of described economizer is connected with described low-pressure drum, and the condensate water that described condenser reclaims enters in described low-pressure drum 12 after absorbing heat in described economizer.
Like this, the exhaust steam of filling condensing turbine 8 afterbodys becomes condensate water after condenser 10, by condensate pump 11, squeeze into economizer 5, be used for absorbing the low temperature exhaust heat of flue gas, water after heat absorption enters in low-pressure drum 12, thereby condensate water is participated in the first closed circuit and the second closed circuit again, again produce high pressure superheated steam and low-pressure superheated steam and drive generator 9 generatings for filling condensing turbine 8.
The present embodiment has all beneficial effects that heating furnace residual heat integrative in embodiment 1 utilizes electricity generation system.In addition, due to the present embodiment also in back-end ductwork low pressure steam-generating bank heat exchanger 4 be provided with below economizer 5, make water in economizer 5 further absorb the waste heat of flue gas, the flue-gas temperature of discharging is further reduced, approximately be low to moderate 120 ℃, greatly reduce flue-gas temperature, utilized as much as possible residual heat resources.
Condensed-water recovering device in the present embodiment is condensed into condensate water by exhaust steam, and condensate water is participated in the first closed circuit and the second closed circuit again, constantly conversion and circulation between liquid water and steam, saving water resource.
Embodiment 3
The difference of the present embodiment and above-described embodiment 1 is: the high pressure in high-pressure saturated steam described in the present embodiment and described high pressure superheated steam is 0.8Mpa, and the low pressure in described low-pressure saturated steam and described low-pressure superheated steam is 0.2MPa.
Embodiment 4
The present embodiment is only from the different of above-described embodiment 1: the high pressure in high-pressure saturated steam described in the present embodiment and described high pressure superheated steam is 1.27MPa, and the low pressure in described low-pressure saturated steam and described low-pressure superheated steam is 0.5MPa.
Embodiment 5
The present embodiment is only from the different of above-described embodiment 1: the high pressure in high-pressure saturated steam described in the present embodiment and described high pressure superheated steam is 2.0MPa, and the low pressure in described low-pressure saturated steam and described low-pressure superheated steam is 0.8MPa.
In the present invention described high-pressure saturated steam and the high pressure in described high pressure superheated steam be not limited to the high-voltage value in embodiment 3,4,5, preferable range is 0.8～2.0MPa; Low pressure in described low-pressure saturated steam and described low-pressure superheated steam is not limited to the low voltage value in embodiment 3,4,5, and preferable range is 0.2～0.8MPa.
Above; be only preferred embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claim was defined.
Claims (4)
1. a heating furnace residual heat integrative utilizes electricity generation system, it is characterized in that: described electricity generation system at least comprises the generator that high pressure superheated steam produces mechanism, low-pressure superheated steam generation mechanism, filling condensing turbine and is in transmission connection with described filling condensing turbine, the air intake group of described filling condensing turbine comprises main steam ports and filling mouth, the steam (vapor) outlet that described high pressure superheated steam produces mechanism is connected with described main steam ports, and the steam (vapor) outlet that described low-pressure superheated steam produces mechanism is connected with described filling mouth;
Described high pressure superheated steam produces mechanism and comprises high pressure drum, is arranged in heating furnace for absorbing the carbonated drink cooling heat exchanger of cooling water beam waste heat and being arranged on the high pressure superheated steam heat exchanger in back-end ductwork, described high pressure drum and described carbonated drink cooling heat exchanger are interconnected by hot water circulating pump, form the first closed circuit, the steam (vapor) outlet of high pressure drum is connected with the steam inlet of high pressure superheated steam heat exchanger, and the steam (vapor) outlet of high pressure superheated steam heat exchanger is the steam (vapor) outlet that described high pressure superheated steam produces mechanism; Water in high pressure drum forms high-pressure saturated steam after described the first closed circuit in high pressure drum, described high-pressure saturated steam changes high pressure superheated steam into after described high pressure superheated steam heat exchanger is overheated, described high pressure superheated steam enters the main steam ports of described filling condensing turbine, for filling condensing turbine, drives described generator generating;
Described low-pressure superheated steam produces mechanism and comprises low-pressure drum, is arranged on the low pressure steam-generating bank heat exchanger in back-end ductwork and is arranged on the low-pressure superheated steam heat exchanger in back-end ductwork, described low-pressure drum and described low pressure steam-generating bank heat exchanger are interconnected, form the second closed circuit, the steam (vapor) outlet of low-pressure drum is connected with the steam inlet of low-pressure superheated steam heat exchanger, and the steam (vapor) outlet of low-pressure superheated steam heat exchanger is the steam (vapor) outlet that described low-pressure superheated steam produces mechanism; Water in low-pressure drum forms saturation water and low-pressure saturated steam after described the second closed circuit in low-pressure drum, described low-pressure saturated steam changes low-pressure superheated steam into after low-pressure superheated steam heat exchanger is overheated, described low-pressure superheated steam enters the filling mouth of described filling condensing turbine, for filling condensing turbine, drives described generator generating;
Between described high pressure drum and low-pressure drum, be connected with feed pump, the described saturation water in described low-pressure drum is transported in described high pressure drum; Described high pressure superheated steam heat exchanger, described low-pressure superheated steam heat exchanger and described low pressure steam-generating bank heat exchanger are successively set in back-end ductwork by flue gas flow direction.
2. heating furnace residual heat integrative according to claim 1 utilizes electricity generation system, it is characterized in that: described electricity generation system also comprises the economizer being arranged in back-end ductwork, after described economizer is arranged on described low pressure steam-generating bank heat exchanger according to flue gas flow direction, the condenser of described filling condensing turbine is connected with the entrance of described economizer by condensate pump, the outlet of described economizer is connected with described low-pressure drum, and the condensate water that described condenser reclaims enters in described low-pressure drum after absorbing heat in described economizer.
3. heating furnace residual heat integrative according to claim 1 and 2 utilizes electricity generation system, it is characterized in that: the high pressure in described high-pressure saturated steam and described high pressure superheated steam is within the scope of 0.8～2.0MPa, and the low pressure in described low-pressure saturated steam and described low-pressure superheated steam is within the scope of 0.2～0.8MPa.
4. heating furnace residual heat integrative according to claim 1 and 2 utilizes electricity generation system, it is characterized in that: the end of described back-end ductwork is connected with air-introduced machine, and described air-introduced machine is connected with chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410408697.6A CN104180675B (en) | 2014-08-19 | 2014-08-19 | Heating furnace residual heat integrative utilizes electricity generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410408697.6A CN104180675B (en) | 2014-08-19 | 2014-08-19 | Heating furnace residual heat integrative utilizes electricity generation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104180675A true CN104180675A (en) | 2014-12-03 |
| CN104180675B CN104180675B (en) | 2016-01-06 |
Family
ID=51961891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410408697.6A Active CN104180675B (en) | 2014-08-19 | 2014-08-19 | Heating furnace residual heat integrative utilizes electricity generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104180675B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930485A (en) * | 2015-06-19 | 2015-09-23 | 上海优华系统集成技术股份有限公司 | Flue gas waste heat recovery system and recovery method and application thereof |
| CN106052407A (en) * | 2016-08-08 | 2016-10-26 | 中冶华天南京工程技术有限公司 | Heating furnace waste heat comprehensive utilization system |
| CN106091713A (en) * | 2016-08-08 | 2016-11-09 | 中冶华天南京工程技术有限公司 | The residual heat combined recirculation system of heating furnace |
| CN106643191A (en) * | 2017-02-08 | 2017-05-10 | 中冶华天工程技术有限公司 | Power generation system based on steel smelting furnace and steel rolling heating furnace waste heat integration |
| CN106679439A (en) * | 2017-02-08 | 2017-05-17 | 中冶华天工程技术有限公司 | Waste heat utilization system for steel rolling heating furnace |
| CN106705689A (en) * | 2017-02-08 | 2017-05-24 | 中冶华天工程技术有限公司 | Afterheat recovery ratio-adjustable steel rolling heating furnace smoke afterheat utilization system |
| CN106766967A (en) * | 2017-02-08 | 2017-05-31 | 中冶华天工程技术有限公司 | The adjustable heater for rolling steel fume afterheat Optimum utilization system of waste heat recovery ratio |
| CN106766966A (en) * | 2017-02-08 | 2017-05-31 | 中冶华天工程技术有限公司 | A kind of heater for rolling steel waste heat recycling system |
| CN106813510A (en) * | 2017-02-08 | 2017-06-09 | 中冶华天工程技术有限公司 | A kind of heater for rolling steel afterheat utilizing system based on combustion air progressive solution |
| CN106839789A (en) * | 2017-02-08 | 2017-06-13 | 中冶华天工程技术有限公司 | A kind of heater for rolling steel residual neat recovering system based on air and coal gas progressive solution |
| CN106871651A (en) * | 2017-02-08 | 2017-06-20 | 中冶华天工程技术有限公司 | A kind of heater for rolling steel waste heat Optimum utilization system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08338206A (en) * | 1995-06-13 | 1996-12-24 | Mitsubishi Heavy Ind Ltd | Coolant/electric power equally supplying heat recovery mechanism |
| CN101769686A (en) * | 2008-12-30 | 2010-07-07 | 重庆赛迪工业炉有限公司 | Waste heat recovery system of heating furnace |
| CN102345982A (en) * | 2011-01-10 | 2012-02-08 | 沈阳东大工业炉有限公司 | Heating furnace waste heat recovery generating device |
| CN103291390A (en) * | 2013-06-20 | 2013-09-11 | 华效资源有限公司 | Heating furnace flue gas and steam waste heat recycling and power generating system and power generating method |
| CN204064000U (en) * | 2014-08-19 | 2014-12-31 | 中冶华天工程技术有限公司 | Heating furnace residual heat integrative utilizes electricity generation system |
-
2014
- 2014-08-19 CN CN201410408697.6A patent/CN104180675B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08338206A (en) * | 1995-06-13 | 1996-12-24 | Mitsubishi Heavy Ind Ltd | Coolant/electric power equally supplying heat recovery mechanism |
| CN101769686A (en) * | 2008-12-30 | 2010-07-07 | 重庆赛迪工业炉有限公司 | Waste heat recovery system of heating furnace |
| CN102345982A (en) * | 2011-01-10 | 2012-02-08 | 沈阳东大工业炉有限公司 | Heating furnace waste heat recovery generating device |
| CN103291390A (en) * | 2013-06-20 | 2013-09-11 | 华效资源有限公司 | Heating furnace flue gas and steam waste heat recycling and power generating system and power generating method |
| CN204064000U (en) * | 2014-08-19 | 2014-12-31 | 中冶华天工程技术有限公司 | Heating furnace residual heat integrative utilizes electricity generation system |
Non-Patent Citations (1)
| Title |
|---|
| 武绍井: "《余热梯级回收技术在线棒材加热炉上的应用》", 《钢铁技术》 * |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930485A (en) * | 2015-06-19 | 2015-09-23 | 上海优华系统集成技术股份有限公司 | Flue gas waste heat recovery system and recovery method and application thereof |
| CN106052407A (en) * | 2016-08-08 | 2016-10-26 | 中冶华天南京工程技术有限公司 | Heating furnace waste heat comprehensive utilization system |
| CN106091713A (en) * | 2016-08-08 | 2016-11-09 | 中冶华天南京工程技术有限公司 | The residual heat combined recirculation system of heating furnace |
| CN106052407B (en) * | 2016-08-08 | 2018-06-01 | 中冶华天南京工程技术有限公司 | heating furnace waste heat comprehensive utilization system |
| CN106813510A (en) * | 2017-02-08 | 2017-06-09 | 中冶华天工程技术有限公司 | A kind of heater for rolling steel afterheat utilizing system based on combustion air progressive solution |
| CN106705689A (en) * | 2017-02-08 | 2017-05-24 | 中冶华天工程技术有限公司 | Afterheat recovery ratio-adjustable steel rolling heating furnace smoke afterheat utilization system |
| CN106766967A (en) * | 2017-02-08 | 2017-05-31 | 中冶华天工程技术有限公司 | The adjustable heater for rolling steel fume afterheat Optimum utilization system of waste heat recovery ratio |
| CN106766966A (en) * | 2017-02-08 | 2017-05-31 | 中冶华天工程技术有限公司 | A kind of heater for rolling steel waste heat recycling system |
| CN106679439A (en) * | 2017-02-08 | 2017-05-17 | 中冶华天工程技术有限公司 | Waste heat utilization system for steel rolling heating furnace |
| CN106839789A (en) * | 2017-02-08 | 2017-06-13 | 中冶华天工程技术有限公司 | A kind of heater for rolling steel residual neat recovering system based on air and coal gas progressive solution |
| CN106871651A (en) * | 2017-02-08 | 2017-06-20 | 中冶华天工程技术有限公司 | A kind of heater for rolling steel waste heat Optimum utilization system |
| CN106643191A (en) * | 2017-02-08 | 2017-05-10 | 中冶华天工程技术有限公司 | Power generation system based on steel smelting furnace and steel rolling heating furnace waste heat integration |
| CN106766967B (en) * | 2017-02-08 | 2019-02-19 | 中冶华天工程技术有限公司 | Waste heat recycles the adjustable heater for rolling steel fume afterheat Optimum utilization system of ratio |
| CN106871651B (en) * | 2017-02-08 | 2019-02-19 | 中冶华天工程技术有限公司 | A kind of heater for rolling steel waste heat Optimum utilization system |
| CN106705689B (en) * | 2017-02-08 | 2019-02-19 | 中冶华天工程技术有限公司 | A kind of waste heat recycling adjustable heater for rolling steel smoke waste heat utilization system of ratio |
| CN106679439B (en) * | 2017-02-08 | 2019-02-19 | 中冶华天工程技术有限公司 | A kind of heater for rolling steel afterheat utilizing system |
| CN106766966B (en) * | 2017-02-08 | 2019-09-17 | 中冶华天工程技术有限公司 | A kind of heater for rolling steel waste heat recycling system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104180675B (en) | 2016-01-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104180675B (en) | Heating furnace residual heat integrative utilizes electricity generation system | |
| CN107014218B (en) | Thermal power generation system based on waste heat and complementary energy integrated utilization of coking plant | |
| CN106989611B (en) | Coke oven gas and dry quenching waste heat comprehensive power generation system | |
| CN109578968B (en) | Coal-fired power generation system with sectional coupling of coal-fired boiler and garbage incinerator | |
| CN101871732B (en) | Dry method single-pressure recovery generating system of waste heat for cement production line | |
| CN101392992A (en) | Silicon smelting electric furnace waste heat power generation process flow and configuration | |
| CN101655019A (en) | Dry quenching dual pressure high-temperature and high-pressure residual heat power generation system | |
| CN104500158A (en) | Low-concentration coalbed methane or gas electric generating system | |
| CN103353239A (en) | Improved lime kiln exhaust gas waste heat power generation system and power generation method thereof | |
| CN111649310A (en) | Waste heat boiler and efficient recovery power generation system using same | |
| CN1987059A (en) | Thermal electric co-producing system using dry coke quenching nitrogen waste heat ammonia-water composite steam | |
| CN104153832A (en) | Comprehensive efficient power generation method and system by utilization of iron and steel enterprise waste energy | |
| CN204064000U (en) | Heating furnace residual heat integrative utilizes electricity generation system | |
| CN103242865B (en) | Device for generating electricity by utilizing waste heat of raw coke oven gas | |
| CN111457344A (en) | Reheating power generation system combining combustion boiler and waste heat boiler | |
| CN101706095B (en) | Method for recovering acid making waste heat | |
| CN202024614U (en) | Cement production line waste heat generating system | |
| CN109854318B (en) | Biomass direct-fired cogeneration system and method | |
| CN104131849A (en) | Combined circulating power generating system and method combining natural gas, oxygen and pulverized coal combustion | |
| CN203452860U (en) | Electrical power generating system comprehensively utilizing waste heat of smoke of ferroalloy submerged arc furnace and casting process | |
| CN201706902U (en) | Waste heat single-pressure recovery power generating system of dry method cement production line | |
| CN211204007U (en) | Thermal device of double-pressure reheating dry quenching boiler | |
| CN210861166U (en) | Waste incineration power plant waste heat utilization equipment | |
| CN103468275A (en) | Power generation system and method by waste heat of raw coke oven gases of coke oven | |
| CN210637125U (en) | Supercritical carbon dioxide circulation coal-fired power generation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: Jianye District of Nanjing City, Jiangsu province 210019 the Fuchun River Street No. 18 Patentee after: HUATIAN ENGINEERING & TECHNOLOGY CORPORATION, MCC Address before: 243005 No. 699 West Hunan Road, Anhui, Ma'anshan Patentee before: HUATIAN ENGINEERING & TECHNOLOGY CORPORATION, MCC |
|
| CP02 | Change in the address of a patent holder |