CN105673102B - Method for generating steam by using two coke ovens and generating by using one set of generating unit - Google Patents
Method for generating steam by using two coke ovens and generating by using one set of generating unit Download PDFInfo
- Publication number
- CN105673102B CN105673102B CN201610180101.0A CN201610180101A CN105673102B CN 105673102 B CN105673102 B CN 105673102B CN 201610180101 A CN201610180101 A CN 201610180101A CN 105673102 B CN105673102 B CN 105673102B
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- China
- Prior art keywords
- steam
- valve
- generating
- coke quenching
- dry coke
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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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
- Coke Industry (AREA)
Abstract
The invention relates to a method for generating steam by using two coke ovens and generating by using one set of generating unit. The method comprises the steps of firstly, partially opening a valve I, heating a main steam pipeline by using 1#dry quenching steam, opening a valve IV during pipe heating, sequentially delivering pipe heating steam into a temperature and pressure reducer and a steam header through a steam pipeline, and finally, mixing the steam into a plant-area pipe network; after pipe heating, fully opening the valve I, and opening a valve III, meanwhile, delivering the 1#dry quenching steam into a steam turbine, and driving a generator to outwards supply power and realize grid connection; and slowly opening a valve II, meanwhile, slowly closing the valve IV, and fully opening the valve II after regulating the state of the generating unit to be optimal to ensure that the generating capacity reaches up to a full load state. By using the method, resources are sufficiently utilized, and the generating unit can generate power in a full load way; and meanwhile the method has the characteristics of low equipment investment and small floor area, and the condition that the operation of the generating unit stops when one of the two coke ovens is overhauled can be avoided.
Description
Technical field
The present invention relates to industrial waste heat of coke oven utilizes technical field, more particularly, to a kind of two coke ovens produce steam and share one
The method that set generating set generates electricity.
Background technology
Turbine LP rotors are using Steam Turbine Driven generator, and superheated steam enters expansion work in steam turbine, makes
Blade rotates thus driving electrical power generators.
The coke produced from coke oven, its temperature is about 1000 DEG C, referred to as red Jiao.In order to prevent scaling loss and be easy to store up
Fortune is it is necessary to as soon as possible by red burnt extinguishing, its temperature is down to less than 250 DEG C, this process is exactly quenching.
The a large amount of steam producing during dry coke quenching, are used for generating electricity after generally reclaiming.At present, general in actual industrial production
By the way of corresponding to 1 set of generating set using 1 coke oven, but this mode can produce the waste of resource, place, fund, and
When coke oven stop production to overhaul, generating set is affected by also accordingly stopping production, and the stability of electrical network is impacted, simultaneously
Certain economic loss can be produced.
Content of the invention
The invention provides a kind of two coke ovens produce steam shares the method that a set of generating set generates electricity it is achieved that resource
Make full use of, so that generating set can be reached and generate electricity at full capacity；Have the characteristics that equipment investment is few, floor space is little simultaneously,
When a maintenance in two coke ovens, do not result in the situation that generating set shuts down.
In order to achieve the above object, the present invention employs the following technical solutions realization：
Two coke ovens produce steam and share the method that a set of generating set generates electricity, and comprise the steps：
1) 1# dry coke quenching jet chimney and 2# dry coke quenching jet chimney are incorporated to main steam header road after converging, main steam header road
End connects generating set, and main steam header road is sequentially connected temperature-decreased pressure reducer and gas-distributing cylinder additionally by steam branch road；Steam master
Valve one and valve two is set respectively, after steam branch road on 1# dry coke quenching jet chimney before pipeline and 2# dry coke quenching jet chimney
Valve three is set on main steam header road, on the steam branch road in main steam header road, sets valve four；Temperature-decreased pressure reducer and gas-distributing cylinder it
Between steam branch road on set valve five, valve five is normally opened；
2), before utilizing steam-electric power, valve one～valve four is closed mode；Using during steam-electric power, first part is opened
Valve one, during carrying out heating coil, heating coil by 1# dry coke quenching steam to main steam header road, opens valve four, heating coil steam passes through
Steam branch road is sequentially sent to temperature-decreased pressure reducer and gas-distributing cylinder, is finally incorporated to plant area's pipe network；
3) after 1# dry coke quenching jet chimney heating coil temperature reaches more than 320 DEG C, standard-sized sheet valve one, and Open valve three, 1#
Dry coke quenching steam is simultaneously fed into steam turbine, and steam turbine starts red switch, when steam turbine revolution reaches more than 3000r/min, drives
Outwards power supply is grid-connected for generator；
4) after etc. state of generating electricity by way of merging two or more grid systems is steady, slow Open valve two, slowly closing valve four simultaneously, observe steam turbine and
Generator Vibration situation and Parameters variation, after generating set state is adjusted to most preferably, standard-sized sheet valve two, complete 1# dry coke quenching steam
Reclaim, with 2# dry coke quenching steam, the operating process generating electricity for same generating set simultaneously, and make generated energy reach shape at full capacity
State.
Main steam header road before described steam turbine is provided with vapor filter.
Compared with prior art, the invention has the beneficial effects as follows：
1) make full use of the steam that two coke ovens produce, realize generating set and generate electricity at full capacity, realize the abundant profit of resource
With；
2) floor space is little, dependable performance, and benefit projects；
3) when a maintenance in two coke ovens, generating set can be generated electricity with halfload, without shutdown, solves the energy
Waste problem；The method of operation is more flexible.
Brief description
Fig. 1 is that two coke ovens of the present invention produce the principle schematic that steam shares a set of generating set generating.
In figure：1. valve one 2. valve 2 3. valve 3 4. valve 4 5. temperature-decreased pressure reducer, 6. gas-distributing cylinder 7. steam
Filter 8. steam turbine, 9. generator 10. valve five
Specific embodiment
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described further：
As shown in figure 1, two coke ovens produce steam and share the method that a set of generating set generates electricity, comprise the steps：
1) 1# dry coke quenching jet chimney and 2# dry coke quenching jet chimney are incorporated to main steam header road after converging, main steam header road
End connects generating set, and main steam header road is sequentially connected temperature-decreased pressure reducer 5 and gas-distributing cylinder 6 additionally by steam branch road；Steam
Valve 1 and valve 22, steam branch road is set respectively on 1# dry coke quenching jet chimney before main pipeline and 2# dry coke quenching jet chimney
Set valve 33 on main steam header road afterwards, on the steam branch road in main steam header road, set valve 44；Temperature-decreased pressure reducer 5 and point
Valve 5 10 is set on the steam branch road between cylinder 6, valve 5 10 is normally opened；
2), before utilizing steam-electric power, valve one～valve 41,2,3,4 is closed mode；Using during steam-electric power, first
Part Open valve 1, during carrying out heating coil, heating coil by 1# dry coke quenching steam to main steam header road, opens valve 44, warms up
Pipe steam is sequentially sent to temperature-decreased pressure reducer 5 and gas-distributing cylinder 6 by steam branch road, is finally incorporated to plant area's pipe network；
3) after 1# dry coke quenching jet chimney heating coil temperature reaches more than 320 DEG C, standard-sized sheet valve 1, and Open valve 33,
1# dry coke quenching steam is simultaneously fed into steam turbine 8, and steam turbine 8 starts red switch, when steam turbine 8 revolution reaches more than 3000r/min,
Generator 9 is driven outwards to power grid-connected；
4) after etc. state of generating electricity by way of merging two or more grid systems is steady, slow Open valve 22, slowly closing valve 44 simultaneously, observe steam turbine
8 and generator 9 Vibration Condition and Parameters variation, by generating set state be adjusted to optimal after, standard-sized sheet valve 22, complete that 1# is dry to be put out
Burnt steam and 2# dry coke quenching steam reclaim the operating process generating electricity for same generating set simultaneously, and it is full negative so that generated energy is reached
Lotus state.
Main steam header road before described steam turbine 8 is provided with vapor filter 7.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (2)
1. two coke ovens produce steam and share the method for a set of generating set generating it is characterised in that comprising the steps：
1) 1# dry coke quenching jet chimney and 2# dry coke quenching jet chimney are incorporated to main steam header road, the end in main steam header road after converging
Connect generating set, main steam header road is sequentially connected temperature-decreased pressure reducer and gas-distributing cylinder additionally by steam branch road；Main steam header road
Valve one and valve two, the steam after steam branch road is set respectively on front 1# dry coke quenching jet chimney and 2# dry coke quenching jet chimney
Valve three is set on main pipeline, on the steam branch road in main steam header road, sets valve four；Between temperature-decreased pressure reducer and gas-distributing cylinder
Valve five is set on steam branch road, valve five is normally opened；
2), before utilizing steam-electric power, valve one～valve four is closed mode；Using during steam-electric power, first part Open valve
One, during heating coil, heating coil are carried out to main steam header road by 1# dry coke quenching steam, open valve four, heating coil steam passes through steam
Branch road is sequentially sent to temperature-decreased pressure reducer and gas-distributing cylinder, is finally incorporated to plant area's pipe network；
3) after 1# dry coke quenching jet chimney heating coil temperature reaches more than 320 DEG C, standard-sized sheet valve one, and Open valve three, 1# is dry to be put out
Burnt steam is simultaneously fed into steam turbine, and steam turbine starts red switch, when steam turbine revolution reaches more than 3000r/min, drives and generates electricity
Outwards power supply is grid-connected for machine；
4) after etc. state of generating electricity by way of merging two or more grid systems is steady, slow Open valve two, slowly closing valve four simultaneously, observe steam turbine and generating
Machine vibration situation and Parameters variation, after generating set state is adjusted to most preferably, standard-sized sheet valve two, complete 1# dry coke quenching steam and 2#
Dry coke quenching steam reclaims the operating process generating electricity for same generating set simultaneously, and makes generated energy reach full load condition.
2. two coke ovens according to claim 1 produce steam and share the method that a set of generating set generates electricity, and its feature exists
In the main steam header road before described steam turbine is provided with vapor filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610180101.0A CN105673102B (en) | 2016-03-25 | 2016-03-25 | Method for generating steam by using two coke ovens and generating by using one set of generating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610180101.0A CN105673102B (en) | 2016-03-25 | 2016-03-25 | Method for generating steam by using two coke ovens and generating by using one set of generating unit |
Publications (2)
| Publication Number | Publication Date |
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| CN105673102A CN105673102A (en) | 2016-06-15 |
| CN105673102B true CN105673102B (en) | 2017-02-08 |
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| CN109281713A (en) * | 2018-11-19 | 2019-01-29 | 广东工业大学 | A kind of coke oven steam electric power generator |
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| US5181381A (en) * | 1992-07-08 | 1993-01-26 | Ahlstrom Pyropower Corporation | Power plant with dual pressure reheat system for process steam supply flexibility |
| JP3608811B2 (en) * | 1993-11-25 | 2005-01-12 | 電源開発株式会社 | Module federation pressurized fluidized bed combined power generator and control method |
| JP4232321B2 (en) * | 2000-05-11 | 2009-03-04 | バブコック日立株式会社 | Combination system of multiple boilers and steam turbines, and power plant |
| US7987675B2 (en) * | 2008-10-30 | 2011-08-02 | General Electric Company | Provision for rapid warming of steam piping of a power plant |
| KR101315504B1 (en) * | 2011-05-26 | 2013-10-07 | 한국남부발전 주식회사 | Turbine generator control apparatus of steam generating plant |
| CN204552839U (en) * | 2015-04-15 | 2015-08-12 | 河北钢铁股份有限公司邯郸分公司 | A kind of steam by-pass device of Combined cycle gas-steam turbine unit |
| CN105317482B (en) * | 2015-12-03 | 2017-09-22 | 中国能源建设集团华北电力试验研究院有限公司 | A kind of Combined Cycle Unit starts method |
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