CN107327323A - Fired power generating unit and waste incinerator working medium combined generating system - Google Patents
Fired power generating unit and waste incinerator working medium combined generating system Download PDFInfo
- Publication number
- CN107327323A CN107327323A CN201710732693.7A CN201710732693A CN107327323A CN 107327323 A CN107327323 A CN 107327323A CN 201710732693 A CN201710732693 A CN 201710732693A CN 107327323 A CN107327323 A CN 107327323A
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- China
- Prior art keywords
- pulverized
- fired boiler
- coal fired
- waste incinerator
- coal
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K13/00—General layout or general methods of operation of complete plants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
- F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
Abstract
Fired power generating unit and waste incinerator working medium combined generating system, belong to technical field of energy utilization.The present invention includes waste incineration furnace body, pulverized-coal fired boiler body, oxygen-eliminating device and Turbo-generator Set, pulverized-coal fired boiler body is connected by pulverized-coal fired boiler feed pump with oxygen-eliminating device, the main steam pipe and pulverized-coal fired boiler reheater outlet of pulverized-coal fired boiler body establish a connection with Turbo-generator Set, waste incineration furnace body is connected by waste incinerator feed pump with oxygen-eliminating device, the waste incinerator main steam pipe of waste incineration furnace body confluxes with pulverized-coal fired boiler reheater inlet tube, and continue to heat by the way that the main steam of waste incinerator is mixed into introducing pulverized-coal fired boiler heating surface with pulverized-coal fired boiler reheater inlet steam in the presence of steam mixer.The present invention is combined by fired power generating unit with waste incinerator working medium improves garbage power, cycle efficieny, improves the heating efficiency of rubbish, and saves the condensing steam turbine generator system system equipment investment of waste incinerator.
Description
Technical field
The present invention relates to a kind of electricity generation system of power industry, and in particular to one kind utilizes fired power generating unit and waste incinerator
Working medium combined generating system.
Background technology
The garbage disposal ability of existing waste incinerator is generally less than 1200t/d, and the calorific value of rubbish is relatively low, incinerator
Thermal capacity it is smaller.Current waste incinerator UTILIZATION OF VESIDUAL HEAT IN approach is limited by condition, many Natural Circulations big using heat storage capacity
Waste heat boiler, presses 4MPa/400 DEG C of steam in production, generated electricity for Turbo-generator Set.Because steam parameter is low, working medium circulation
It is less efficient, between typically about 18~23%, much smaller than Large-scale fire-electricity unit working medium circulation efficiency (generally>43%).
The technology of existing utilization waste incineration and generating electricity, typically there is many waste incinerators and one or several turbine generators
Machine is constituted, and this unit efficiency is not high, and the cycle efficieny of steam turbine is less than 23%.Therefore need using Large-scale fire-electricity unit
Boiler circuit is combined with waste incinerator, improves the cycle efficieny of waste incinerator boiler circuit, improves the Btu utilization of rubbish
Efficiency, and save the condensing steam turbine generator system system equipment investment of waste incinerator.
The content of the invention
The invention aims to solve above-mentioned technical problem, and then provide fired power generating unit to join with waste incinerator working medium
Close electricity generation system.
Technical scheme：
Fired power generating unit and waste incinerator working medium combined generating system include waste incineration furnace body, pulverized-coal fired boiler body,
Oxygen-eliminating device and Turbo-generator Set,
Described pulverized-coal fired boiler body is connected by pulverized-coal fired boiler feed pump with oxygen-eliminating device, described pulverized-coal fired boiler body
Pulverized-coal fired boiler main steam pipe and pulverized-coal fired boiler reheater outlet establish a connection with Turbo-generator Set, described steamer hair
The reheater heating surface that the high pressure steam discharge of group of motors introduces pulverized-coal fired boiler body by pulverized-coal fired boiler reheater inlet tube absorbs heat；
Described waste incineration furnace body is connected by waste incinerator feed pump with oxygen-eliminating device, waste incineration furnace body
Waste incinerator main steam pipe confluxes with pulverized-coal fired boiler reheater inlet tube, and by burning rubbish in the presence of steam mixer
The main steam for burning stove mixes the heating surface continuation heating of introducing pulverized-coal fired boiler with pulverized-coal fired boiler reheater inlet steam.
It is preferred that：Stop valve is disposed with described waste incinerator main steam pipe.
It is preferred that：Adding by high pressure heating system after described pulverized-coal fired boiler feedwater is drawn by pulverized-coal fired boiler feed pump
Pulverized-coal fired boiler body is introduced after heat.
It is preferred that：The pulverized-coal fired boiler main steam pipe of described pulverized-coal fired boiler body and the high pressure cylinder of Turbo-generator Set connect
Logical, the pulverized-coal fired boiler reheater outlet of pulverized-coal fired boiler body is connected with the intermediate pressure cylinder of Turbo-generator Set.
The invention has the advantages that：The present invention is applied to urban domestic garbage incinerator and Large-scale fire-electricity unit,
Large-scale fire-electricity unit has the advantage that carbonated drink parameter is high, cycle efficieny is high, unit capacity is big, and the boiler circuit of fired power generating unit is joined
Waste incinerator boiler circuit is closed to have the following advantages that：
1st, using the heating surface and Turbo-generator Set of Large-scale fire-electricity unit boiler, parameter (the heating temperature of working medium is improved
Degree), and then working medium circulation efficiency is improved, improve the utilization ratio of waste incinerator heat.
2nd, the system connecting mode is relatively simple, and waste incinerator no longer needs individually to arrange condensing steam turbine generator
System is united, and saves equipment investment.
Brief description of the drawings
Fig. 1 is the system connection figure of fired power generating unit and waste incinerator working medium combined generating system；
1- waste incinerations furnace body in figure, 2- pulverized-coal fired boiler bodies, 3- oxygen-eliminating devices, 4- pulverized-coal fired boiler feed pumps, 5- rubbish
Incinerator feed pump, 6- pulverized-coal fired boiler main steam pipes, 7- Turbo-generator Sets, 8- pulverized-coal fired boiler reheater inlet tubes, 9- rubbish
Incinerator main steam pipe, 10- steam mixers, 11- pulverized-coal fired boiler reheater outlets, 12- stop valves, 13- hyperbaric heatings system
System.
Embodiment
Embodiment one：Illustrate present embodiment, the fired power generating unit and waste incinerator of present embodiment with reference to Fig. 1
Working medium combined generating system includes waste incineration furnace body 1, pulverized-coal fired boiler body 2, oxygen-eliminating device 3 and Turbo-generator Set 7,
Described pulverized-coal fired boiler body 2 is connected by pulverized-coal fired boiler feed pump 4 with oxygen-eliminating device 3, described pulverized-coal fired boiler sheet
The pulverized-coal fired boiler main steam pipe 6 and pulverized-coal fired boiler reheater outlet 11 of body 2 establish a connection with Turbo-generator Set 7, institute
The high pressure steam discharge for the Turbo-generator Set 7 stated by pulverized-coal fired boiler reheater inlet tube 8 introduce the reheater of pulverized-coal fired boiler body 2 by
Hot face absorbs heat；
Described waste incineration furnace body 1 is connected by waste incinerator feed pump 5 with oxygen-eliminating device 3, waste incinerator sheet
Body 1 is connected by waste incinerator feed pump 5 with oxygen-eliminating device 3, and the working medium of pulverized-coal fired boiler body 2 is incorporated into waste incinerator sheet
Body, realizes working medium combined cycle system, waste incinerator main steam pipe 9 and the pulverized-coal fired boiler reheater of waste incineration furnace body 1
Inlet tube 8 confluxes, and by entering the main steam of waste incinerator with pulverized-coal fired boiler reheater in the presence of steam mixer 10
Mouth steam mixing introduces pulverized-coal fired boiler heating surface and continues to heat.It is arranged such, waste incineration furnace body 1 is conventional waste incineration
Stove, domestic waste is burned in incinerator, and the heat of generation is absorbed by the waste heat boiler of body, pulverized-coal fired boiler body 2
It is the pulverized-coal fired boiler of fired power generating unit, fire coal is in boiler body stove chamber inner combustion, and heat is absorbed by its heating surface, and heat cycles work
Matter water/water vapour, boiler feedwater is introduced into pulverized-coal fired boiler after the pressurization of pulverized-coal fired boiler feed pump 4 by hyperbaric heating system
The heating surfaces such as economizer, water-cooling wall, the evaporation screen of body 2 absorb heat, finally will by the main steam pipe 6 of pulverized-coal fired boiler body 2
The main steam of HTHP is incorporated into the steam turbine high-pressure cylinder acting of Turbo-generator Set 7.High pressure cylinder steam discharge by pulverized-coal fired boiler again
The reheater heating surface that hot device inlet tube 8 introduces pulverized-coal fired boiler body 2 absorbs heat, and pulverized-coal fired boiler reheater outlet 11 will again
Vapours is incorporated into the Steam Turbine Through IP Admission acting of Turbo-generator Set 7.
Waste incineration furnace body 1 heats the feedwater of waste incinerator feed pump 5 in stove internal heating surface, and final outlet is steamed
Vapour is drawn by waste incinerator main steam pipe 9, and pulverized-coal fired boiler reheater inlet tube 8 is disposed with steam mixer 10, and it can be by
The main steam of waste incinerator is mixed with pulverized-coal fired boiler reheater inlet steam.
Pass through the arrangement of above equipment, it is possible to achieve waste incinerator outlet vapor is introduced into pulverized-coal fired boiler heating surface and continued
Heating, improves vapor (steam) temperature to the parameter of large coal powder boiler, enters the working medium circulation efficiency that waste incinerator is improved in face.
The urban domestic garbage incinerator of the ton day of garbage treatment quantity 600 is such as used, and using 600MW grades coal dust pot
Stove, then the steam flow of waste incinerator only account within the 5% of pulverized-coal fired boiler reheated steam flow, pulverized-coal fired boiler can pass through combustion
The steam temperature regulating measures such as burner pivot angle, tail flue gas baffle plate, the reheat steam temperature of adjustment piece number 2 reaches design outlet temperature.
Embodiment two：Illustrate present embodiment, the fired power generating unit and waste incinerator of present embodiment with reference to Fig. 1
Stop valve 12 is disposed with waste incinerator main steam pipe 9 described in working medium combined generating system.It is arranged such, waste incinerator
Main steam pipe 9 is disposed with stop valve, after waste incinerator blowing out, it is possible to achieve waste incineration furnace body 1 and pulverized-coal fired boiler sheet
Body 2 releases joint.
Embodiment three：Illustrate present embodiment, the fired power generating unit and waste incinerator of present embodiment with reference to Fig. 1
Pulverized-coal fired boiler feedwater described in working medium combined generating system passes through after pulverized-coal fired boiler feed pump 4 is drawn by high pressure heating system 13
Heating after introduce pulverized-coal fired boiler body 2.
Embodiment four：Illustrate present embodiment, the fired power generating unit and waste incinerator of present embodiment with reference to Fig. 1
The pulverized-coal fired boiler main steam pipe 6 of pulverized-coal fired boiler body 2 described in working medium combined generating system and the high pressure cylinder of Turbo-generator Set 7
Connection, the pulverized-coal fired boiler reheater outlet 11 of pulverized-coal fired boiler body 2 is connected with the intermediate pressure cylinder of Turbo-generator Set 7.So set
Put, boiler feedwater is introduced into the province of pulverized-coal fired boiler body 2 by hyperbaric heating system after the pressurization of pulverized-coal fired boiler feed pump 4
The heating surfaces such as coal device, water-cooling wall, evaporation screen absorb heat, finally by the pulverized-coal fired boiler main steam pipe 6 of pulverized-coal fired boiler body 2 by height
The main steam of warm high pressure is incorporated into the steam turbine high-pressure cylinder acting of Turbo-generator Set 7, after the acting of the high pressure of Turbo-generator Set 7
The reheater heating surface that high pressure cylinder steam discharge introduces pulverized-coal fired boiler body 2 by pulverized-coal fired boiler reheater inlet tube 8 absorbs heat, coal dust
Reheated steam is incorporated into the such turbine generator of Steam Turbine Through IP Admission acting of Turbo-generator Set 7 by boiler reheater outlet 1
The steam discharge part of machine absorbs heat, and the coal dust pot for passing through pulverized-coal fired boiler body 2 by the reheater heating surface of pulverized-coal fired boiler body 2
Stove reheater outlet 11 is connected with the intermediate pressure cylinder of Turbo-generator Set 7, realizes that the reheat vapor cycle of Turbo-generator Set generates electricity, this
The mode of kind improves the generating efficiency of Turbo-generator Set.
Present embodiment is the exemplary illustration to this patent, does not limit its protection domain, people in the art
Member can also be changed to its part, as long as no the Spirit Essence beyond this patent, all in the protection domain of this patent.
Claims (4)
1. fired power generating unit and waste incinerator working medium combined generating system, it is characterised in that：Including waste incineration furnace body (1),
Pulverized-coal fired boiler body (2), oxygen-eliminating device (3) and Turbo-generator Set (7),
Described pulverized-coal fired boiler body (2) is connected by pulverized-coal fired boiler feed pump (4) with oxygen-eliminating device (3), described pulverized-coal fired boiler
The pulverized-coal fired boiler main steam pipe (6) and pulverized-coal fired boiler reheater outlet (11) of body (2) are set up with Turbo-generator Set (7) to be connected
Relation is connect, the high pressure steam discharge of described Turbo-generator Set (7) introduces pulverized-coal fired boiler sheet by pulverized-coal fired boiler reheater inlet tube (8)
The reheater heating surface of body (2) absorbs heat；
Described waste incineration furnace body (1) is connected by waste incinerator feed pump (5) with oxygen-eliminating device (3), waste incinerator
The waste incinerator main steam pipe (9) of body (1) confluxes with pulverized-coal fired boiler reheater inlet tube (8), and passes through steam mixer
(10) main steam of waste incinerator is mixed into introducing pulverized-coal fired boiler with pulverized-coal fired boiler reheater inlet steam in the presence of to be heated
Continue to heat in face.
2. fired power generating unit according to claim 1 and waste incinerator working medium combined generating system, it is characterised in that：It is described
Waste incinerator main steam pipe (9) on be disposed with stop valve (12).
3. fired power generating unit according to claim 1 and waste incinerator working medium combined generating system, it is characterised in that：It is described
Pulverized-coal fired boiler feedwater by pulverized-coal fired boiler feed pump (4) draw after introduce coal dust after the heating of high pressure heating system (13)
Boiler body (2).
4. fired power generating unit according to claim 1 and waste incinerator working medium combined generating system, it is characterised in that：It is described
The pulverized-coal fired boiler main steam pipe (6) of pulverized-coal fired boiler body (2) connected with the high pressure cylinder of Turbo-generator Set (7), pulverized-coal fired boiler
The pulverized-coal fired boiler reheater outlet (11) of body (2) is connected with the intermediate pressure cylinder of Turbo-generator Set (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710732693.7A CN107327323A (en) | 2017-08-23 | 2017-08-23 | Fired power generating unit and waste incinerator working medium combined generating system |
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| CN201710732693.7A CN107327323A (en) | 2017-08-23 | 2017-08-23 | Fired power generating unit and waste incinerator working medium combined generating system |
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| CN107327323A true CN107327323A (en) | 2017-11-07 |
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| CN201710732693.7A Pending CN107327323A (en) | 2017-08-23 | 2017-08-23 | Fired power generating unit and waste incinerator working medium combined generating system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266718A (en) * | 2017-12-26 | 2018-07-10 | 哈尔滨锅炉厂有限责任公司 | The high level that waste incinerator low-lying level working medium is coupled with coal-burning boiler utilizes system |
| CN108446465A (en) * | 2018-03-06 | 2018-08-24 | 上海电力学院 | The method for decomposing online measuring and calculating fired power generating unit process steams amount by working medium |
| CN108613191A (en) * | 2018-06-26 | 2018-10-02 | 上海垒锦环境科技中心 | A kind of energy utilization system that waste incinerator steam is coupled with coal unit |
| CN109028092A (en) * | 2018-06-15 | 2018-12-18 | 上海锅炉厂有限公司 | A kind of series coupled electricity generation system using fossil fuel Yu oxygen-enriched combusting rubbish |
| CN109028040A (en) * | 2018-06-15 | 2018-12-18 | 上海锅炉厂有限公司 | It is suitble to use the liquid-solid deslagging coupling boiler of strong slagging contamination solid fuel |
| CN109028093A (en) * | 2018-06-15 | 2018-12-18 | 上海锅炉厂有限公司 | A kind of multipaths coupled electricity-generation system using fossil fuel Yu oxygen-enriched combusting rubbish |
| CN109372602A (en) * | 2018-09-07 | 2019-02-22 | 上海明华电力技术工程有限公司 | A kind of biomass incinerator and coal unit steam coupled system and method |
| CN111853739A (en) * | 2020-08-14 | 2020-10-30 | 中国能源建设集团广东省电力设计研究院有限公司 | Sludge and fire coal integrated processing system based on steam-water coupling |
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| CN105546506A (en) * | 2015-11-18 | 2016-05-04 | 华北电力大学（保定） | Parallel mixed combustion system and method |
| CN106940017A (en) * | 2017-04-17 | 2017-07-11 | 山东大学 | The system and method for coal-burning power plant's cooperated with consumer waste gasification |
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| CN1764805A (en) * | 2003-07-04 | 2006-04-26 | 山田胜重 | Reheat/regenerative type thermal power plant using Rankine cycle |
| CN105546506A (en) * | 2015-11-18 | 2016-05-04 | 华北电力大学（保定） | Parallel mixed combustion system and method |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266718A (en) * | 2017-12-26 | 2018-07-10 | 哈尔滨锅炉厂有限责任公司 | The high level that waste incinerator low-lying level working medium is coupled with coal-burning boiler utilizes system |
| CN108446465B (en) * | 2018-03-06 | 2021-03-02 | 上海电力学院 | Method for measuring and calculating steam quantity for thermal power plant on line through working medium decomposition |
| CN108446465A (en) * | 2018-03-06 | 2018-08-24 | 上海电力学院 | The method for decomposing online measuring and calculating fired power generating unit process steams amount by working medium |
| CN109028092A (en) * | 2018-06-15 | 2018-12-18 | 上海锅炉厂有限公司 | A kind of series coupled electricity generation system using fossil fuel Yu oxygen-enriched combusting rubbish |
| CN109028040A (en) * | 2018-06-15 | 2018-12-18 | 上海锅炉厂有限公司 | It is suitble to use the liquid-solid deslagging coupling boiler of strong slagging contamination solid fuel |
| CN109028093A (en) * | 2018-06-15 | 2018-12-18 | 上海锅炉厂有限公司 | A kind of multipaths coupled electricity-generation system using fossil fuel Yu oxygen-enriched combusting rubbish |
| WO2019237869A1 (en) * | 2018-06-15 | 2019-12-19 | 上海锅炉厂有限公司 | Multi-process coupled power generation system combusting fossil fuel and oxygen-rich combustion waste |
| CN109028040B (en) * | 2018-06-15 | 2019-12-27 | 上海锅炉厂有限公司 | Liquid-solid slag-discharging coupled boiler suitable for burning strong-slagging dirt-staining solid fuel |
| CN108613191A (en) * | 2018-06-26 | 2018-10-02 | 上海垒锦环境科技中心 | A kind of energy utilization system that waste incinerator steam is coupled with coal unit |
| CN109372602A (en) * | 2018-09-07 | 2019-02-22 | 上海明华电力技术工程有限公司 | A kind of biomass incinerator and coal unit steam coupled system and method |
| CN109372602B (en) * | 2018-09-07 | 2024-01-30 | 上海明华电力科技有限公司 | Steam coupling system and method for biomass incinerator and coal-fired unit |
| CN111853739A (en) * | 2020-08-14 | 2020-10-30 | 中国能源建设集团广东省电力设计研究院有限公司 | Sludge and fire coal integrated processing system based on steam-water coupling |
| CN111853739B (en) * | 2020-08-14 | 2022-03-04 | 中国能源建设集团广东省电力设计研究院有限公司 | Sludge and fire coal integrated processing system based on steam-water coupling |
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Inventor after: Yu Qiang Inventor after: Shi Dengyu Inventor after: Huang Ying Inventor after: Han Shengli Inventor after: Yu Jingze Inventor after: Yin Yaning Inventor after: Miao Shanshan Inventor before: Yu Qiang Inventor before: Huang Ying Inventor before: Han Shengli Inventor before: Yu Jingze Inventor before: Yin Yaning Inventor before: Miao Shanshan |
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Application publication date: 20171107 |
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