CN108005740A - A kind of co-generation unit - Google Patents
A kind of co-generation unit Download PDFInfo
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- CN108005740A CN108005740A CN201710984274.2A CN201710984274A CN108005740A CN 108005740 A CN108005740 A CN 108005740A CN 201710984274 A CN201710984274 A CN 201710984274A CN 108005740 A CN108005740 A CN 108005740A
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- pipeline
- decompressor
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- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 239000002918 waste heat Substances 0.000 claims abstract description 14
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 11
- 230000005611 electricity Effects 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims description 14
- 238000010025 steaming Methods 0.000 abstract description 11
- 239000007789 gas Substances 0.000 description 44
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000010248 power generation Methods 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003034 coal gas Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000006837 decompression Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 239000012716 precipitator Substances 0.000 description 4
- 239000000284 extract Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
- F01K17/04—Using steam or condensate extracted or exhausted from steam engine plant for specific purposes other than heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/18—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
-
- 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
- Y02E20/14—Combined heat and power generation [CHP]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The present invention provides a kind of co-generation unit, including：First crosses thermal part, and the described first entrance for crossing thermal part is connected with waste heat boiler, and described first, which crosses thermal part, is used to carry out saturated vapor primary heating；Second crosses thermal part, and the described second entrance for crossing thermal part is connected by the first pipeline with the outlet of first superheater, and described second, which crosses thermal part, is used to carry out two level heating to the steam of the described first overheat knockdown export；Electrical generation components, cross thermal part with described second and are connected, the electrical generation components are used for the superheated steam after being heated using two level and generated electricity；First decompressor, is connected with first pipeline, for extracting steaming in the pipeline out according to default main steam pressure scope.
Description
Technical field
The invention belongs to combustion and steam reutilization technology field, more particularly to a kind of co-generation unit.
Background technology
At present, China is steel producing country maximum in the world.Large iron and steel enterprise produces largely in process of production
Residual gas, including blast furnace gas, coke-stove gas and coal gas of converter etc..These residual gas contain toxic component and calorific value compared with
It is low, but since yield is very big, if can rationally utilization can be that iron and steel enterprise saves the energy, reduce energy consumption；If largely diffusing
It will cause greatly energy waste, also would seriously pollute the environment.
Steel plant use low combustion value furnace gas gas steam combined cycle for power generation (CCPP, Combined Cycle
Power Plan), have generating efficiency high, start and stop are quick and convenient, pollute low advantage, in iron and steel enterprise using increasingly extensive.
But CCPP units are operationally, raised with environment temperature, the temperature, pressure for the lack of gas that unit produces is also with liter
Height, causes unit main steam pressure to exceed normal range (NR), and then influences the generating efficiency of unit.
The content of the invention
In view of the problems of the existing technology, it is existing for solving an embodiment of the present invention provides a kind of co-generation unit
There are in technology steel plant when using CCPP unit generations, the temperature, pressure of the lack of gas produced after unit burning workmanship can be with ring
Border temperature is raised and raised, and causes steam turbine main steam pressure to exceed normal range (NR), and then influence the generating efficiency of unit
Technical problem.
The embodiment of the present invention provides a kind of co-generation unit, the system comprises：
First crosses thermal part, and the described first entrance for crossing thermal part is connected with waste heat boiler, and described first, which crosses thermal part, uses
Primary heating is carried out in the saturated vapor to the heat boiler outlet；
Second crosses thermal part, and the described second entrance for crossing thermal part crosses going out for thermal part by the first pipeline and described first
Mouth is connected, and described second crosses the steam progress two level heating that thermal part is used to overheat knockdown export to described first；
Electrical generation components, cross thermal part with described second and are connected, and the electrical generation components are used to utilize the overheat after two level heating
Steam generates electricity；
First decompressor, is connected with first pipeline, for according to described in the extraction of default main steam pressure scope
Steaming in pipeline.
In such scheme, first decompressor of system is also connected by second pipe with middle pressure steam pipe network.
In such scheme, the system also includes：Second reducing-and-cooling plant, the outlet phase with first decompressor
Even.
In such scheme, second reducing-and-cooling plant is also connected by the 3rd pipeline with low-pressure steam pipe network.
In such scheme, the described first thermal part and the described second thermal part excessively excessively is high-pressure superheater.
In such scheme, the electrical generation components include：Steam turbine generator group.
In such scheme, the default main steam pressure scope includes：7.07~7.17MPa.
In such scheme, after two level heating, the temperature of the superheated steam is 510~525 DEG C, pressure 7.3~
7.39MPa。
In such scheme, the pressure of the superheated steam come out through first decompressor is 4.5~5.0MPa.
In such scheme, the pressure of the low-pressure steam come out through second reducing-and-cooling plant is 0.78~1.18MPa.
The present invention provides a kind of co-generation unit, the system comprises：First crosses thermal part, the first overheat portion
The entrance of part is connected with waste heat boiler, and described first, which crosses thermal part, is used to carry out just the saturated vapor of the heat boiler outlet
Level heating；Second crosses thermal part, and the described second entrance for crossing thermal part passes through the outlet of the first pipeline and first superheater
It is connected, described second, which crosses thermal part, is used to carry out two level heating to the steam of the described first overheat knockdown export；Electrical generation components, with
Described second, which crosses thermal part, is connected, and the electrical generation components are used for the superheated steam after being heated using two level and generated electricity；First subtracts
Pressure device, is connected with first pipeline, for extracting steaming in the pipeline out according to default main steam pressure scope；Such as
This, when environment temperature raises, even if the temperature, pressure of the lack of gas produced after unit work by combustion can pass through also with rise
First decompressor extracts steaming in the pipeline out according to default main steam pressure scope, without being transported by unit load down
Row just may be such that main steam pressure is maintained in normal range (NR), avoid influencing the generating efficiency and generated energy of unit.
Brief description of the drawings
Fig. 1 is the co-generation unit structure diagram that the embodiment of the present invention one provides.
Embodiment
Steel plant are when using CCPP unit generations in order to solve in the prior art, the lack of gas that produce after unit work by combustion
Temperature, pressure can with environment temperature raise and raise, cause steam turbine main steam pressure to exceed normal range (NR), Jin Erying
The technical problem of the generating efficiency of unit is rung, the present invention provides a kind of co-generation unit, the system comprises：First overheat
Component, the described first entrance for crossing thermal part are connected with waste heat boiler, and described first, which crosses thermal part, is used for the waste heat boiler
The saturated vapor of outlet carries out primary heating；Second cross thermal part, it is described second cross thermal part entrance by the first pipeline with
It is described first cross thermal part outlet be connected, it is described second cross thermal part be used for described first overheat knockdown export steam into
Row two level heats；Electrical generation components, cross thermal part with described second and are connected, and the electrical generation components are used to utilize the mistake after two level heating
Hot steam generates electricity；First decompressor, is connected with first pipeline, for being taken out according to default main steam pressure scope
Go out steaming in the pipeline.
Technical scheme is described in further detail below by drawings and the specific embodiments.
The present embodiment provides a kind of co-generation unit, as shown in Figure 1, the system comprises：First crosses thermal part 1, the
Two cross thermal part 2, the first pipeline 3, electrical generation components 4, the first decompressor 5；Wherein,
Described first entrance for crossing thermal part 1 is connected with the HP steam drum of waste heat boiler, and described first, which crosses thermal part 1, is used for
Primary heating is carried out to the saturated vapor that the HP steam drum produces, wherein, the temperature for the saturated vapor that HP steam drum produces is about
For 300 DEG C, pressure is about 7.7MPa, and after primary heating, the temperature of steam is about 450 DEG C, and pressure is about 7.5MPa, and described first
Cross the concretely high-pressure superheater of thermal part 1.
The outlet that described second entrance for crossing thermal part 2 crosses thermal part 1 by the first pipeline 3 with described first is connected, institute
State second and cross the steam progress two level heating that thermal part 2 is used to overheat knockdown export to described first；After two level heating, the steaming
The temperature of vapour is about 510~525 DEG C, and pressure is 7.3~7.39MPa, and described second crosses the concretely high pressure superheater of thermal part 2
Device.
Electrical generation components 4 are connected with 2, the second overheat portion, and the electrical generation components 4 are used to utilize the mistake after two level heating
Hot steam (finished product steam) generates electricity；The electrical generation components 4 are specially steam turbine generator group.
Here, generating set is combined cycle generating unit, including：Gas Turbine Generating Units and steam turbine generator
Group, the steam turbine generator group include：Steam turbine, generator；Wherein, one end of the steam turbine and the power generation
One end of machine is connected, and after high temperature and high pressure steam enters the steam turbine, steam adiabatic expansion workmanship, red switch steam turbine turns
Dynamic, steam turbine converts heat into mechanical energy, and then steam turbine drives electrical power generators, and mechanical energy is converted into electric energy.
The Gas Turbine Generating Units include：Gas compression pump, air and gas mixer, electric dust collector and gas turbine；
The air and gas mixer is used for the blast furnace gas and coke-stove gas that mixing iron and steel factory produces；The air and gas mixer
One end is connected with one end of electric precipitator, and the other end of the electric precipitator is connected with one end of gas compression pump, the coal gas
Compressor is connected with the other end of gas turbine.The gas turbine is also connected with air filter, waste heat boiler and generator.
In actual production, mixed coal gas and compressed air are in the pressurized firing Indoor Combustion of gas turbine, high temperature height
Pressure flue gas directly does work in gas turbine and drives generator, completes the single cycle power generation of gas turbine；Gas turbine is discharged
Flue gas (temperature is generally more than 500 DEG C) again by waste heat boiler produce middle pressure steam, into steam turbine generate electricity, but with
Environment temperature raises, and the temperature, pressure for the lack of gas that unit produces is also with rise, in order to avoid unit main steam pressure is beyond just
Normal scope, first decompressor 5 is connected by the 4th pipeline with first pipeline 3, for according to default main steam
Pressure limit extracts steaming in the pipeline out.The main steam pressure be vapor wheel unit main steam pressure, default master
Steam pressure scope is 7.07~7.17MPa.Two valves are additionally provided with 4th pipeline.
In order to utilize the steam from the outlet of the first decompressor 5, first decompressor 5 also passes through second pipe
It is connected with middle pressure steam pipe network 6.The pressure of the steam come out through first decompressor 5 is 4.5~5.0MPa.
Here, first decompressor 5 is specifically as follows high temperature and pressure Pneumatic multi-hole formula decompression regulating valve, and described first
Maximum pressure is 8.52MPa, downstream pressure 5.4MPa before the valve of decompressor 5.
In order to further utilize low-pressure steam, the system also includes：Second reducing-and-cooling plant 7, described second
Reducing-and-cooling plant 7 is connected with the outlet of first decompressor 5.Second reducing-and-cooling plant 7 also passes through the 3rd pipe
Road is connected with low-pressure steam pipe network 8.The pressure of the steam come out through second reducing-and-cooling plant 7 is 0.78~1.18MPa.
It should be noted that it is both provided with corresponding valve on second pipe and the 3rd pipeline.
So in actual production, the saturated vapor that the HP steam drum of waste heat boiler produces is heated through the first heating element 1
Afterwards, the high temperature and high pressure steam that first heating element 1 exports is drawn by the 4th pipeline, and is adjusted by the first decompressor 5
Steam flow, control main steam pressure is in default pressure limit.
Steam after the decompression of the first decompressor 5 can be sent directly into middle pressure steam pipe network 6, also can be through the second pressure and temperature reducing
Device 7 is sent into low-pressure steam pipe network 8, realizes the recycling of steam.
Embodiment two
It is specific as follows when the co-generation unit provided using embodiment one is produced in practical application：
As shown in Figure 1, the system comprises：First, which crosses thermal part 1, second, crosses thermal part 2, the first pipeline 3, electrical generation components
4th, the first decompressor 5；Wherein,
Described first entrance for crossing thermal part 1 is connected with the HP steam drum of waste heat boiler, and described first, which crosses thermal part 1, is used for
Primary heating is carried out to the saturated vapor that the HP steam drum produces, wherein, the temperature for the saturated vapor that HP steam drum produces is about
For 300 DEG C, pressure is about 7.7MPa, and after primary heating, the temperature of steam is about 450 DEG C, and pressure is about 7.5MPa, and described first
Cross the concretely high-pressure superheater of thermal part 1.
The outlet that described second entrance for crossing thermal part 2 crosses thermal part 1 by the first pipeline 3 with described first is connected, institute
State second and cross the steam progress two level heating that thermal part 2 is used to overheat knockdown export to described first；After two level heating, the steaming
The temperature of vapour is about 510~525 DEG C, and pressure is 7.3~7.39MPa, and described second crosses the concretely high pressure superheater of thermal part 2
Device.
Electrical generation components 4 are connected with 2, the second overheat portion, and the electrical generation components 4 are used to utilize the mistake after two level heating
Hot steam (finished product steam) generates electricity；The electrical generation components 4 are specially steam turbine generator group.
Here, generating set is combined cycle generating unit, including：Gas Turbine Generating Units and steam turbine generator
Group, the steam turbine generator group include：Steam turbine, generator；Wherein, high temperature and high pressure steam enters the steam turbine
Afterwards, steam adiabatic expansion is done manual work, and red switch steam turbine rotates, and steam turbine converts heat into mechanical energy, then steam turbine
Electrical power generators are driven, mechanical energy is converted into electric energy.
The Gas Turbine Generating Units further include：Gas compression pump, air and gas mixer, electric dust collector and combustion gas wheel
Machine；
The air and gas mixer is used for the blast furnace gas of mixing iron and steel factory generation and by coke-stove gas；The air and gas mixer
One end be connected with one end of electric precipitator, the other end of the electric precipitator is connected with one end of gas compression pump, the coal
Air compressor is connected with the other end of gas turbine.The gas turbine also with air filter, waste heat boiler and generator phase
Even.
In actual production, mixed coal gas and compressed air are in the pressurized firing Indoor Combustion of gas turbine, high temperature height
Pressure flue gas directly does work in gas turbine and drives generator, completes the single cycle power generation of gas turbine；Gas turbine is discharged
Flue gas (temperature is generally more than 500 DEG C) middle pressure steam is produced by waste heat boiler again, generate electricity into steam turbine, but with ring
Border temperature rise, the temperature, pressure for the lack of gas that unit produces is also with rise, in order to avoid unit main steam pressure is beyond normal
Scope, first decompressor 5 is connected by the 4th pipeline with first pipeline 3, for according to default main steam pressure
Power scope extracts steaming in the pipeline out.The main steam pressure be vapor wheel unit main steam pressure, default main steaming
Steam pressure scope is 7.07~7.17MPa.Main steam pressure is 7.12MPa in the present embodiment；Also set up on 4th pipeline
There are two valves.
In order to utilize the steam from the outlet of the first decompressor 5, first decompressor 5 also passes through second pipe
It is connected with middle pressure steam pipe network 6.The pressure of the steam come out through first decompressor 5 is 4.5~5.0MPa.
Here, first decompressor 5 is specifically as follows high temperature and pressure Pneumatic multi-hole formula decompression regulating valve, and described first
Maximum pressure is 8.52MPa, downstream pressure 5.4MPa before the valve of decompressor 5.
In order to further utilize low-pressure steam, the system also includes：Second reducing-and-cooling plant 7, described second
Reducing-and-cooling plant 7 is connected with the outlet of first decompressor 5.Second reducing-and-cooling plant 7 also passes through the 3rd pipe
Road is connected with low-pressure steam pipe network 8.The pressure of the steam come out through second reducing-and-cooling plant 7 is 0.78~1.18MPa.
It should be noted that it is both provided with corresponding valve on second pipe and the 3rd pipeline.
So in actual production, after the heating of the first heating element 1, the high temperature that first heating element 1 exports is high
Pressure steam is drawn by the 4th pipeline, and adjusts steam flow by the first decompressor 5, and control main steam pressure is in default pressure
In the range of power.
Steam after the decompression of the first decompressor 5 can be sent directly into middle pressure steam pipe network 6, also can be through the second pressure and temperature reducing
Device 7 is sent into low-pressure steam pipe network 8, realizes the recycling of steam.
The beneficial effect that co-generation unit provided in an embodiment of the present invention can be brought is at least：
The embodiment of the present invention provides a kind of co-generation unit, the system comprises：First crosses thermal part, first mistake
The entrance of thermal part is connected with waste heat boiler, described first cross thermal part be used for the saturated vapor of the heat boiler outlet into
The primary heating of row；Second crosses thermal part, and the described second entrance for crossing thermal part passes through the first pipeline and first superheater
Outlet is connected, and described second, which crosses thermal part, is used to carry out two level heating to the steam of the described first overheat knockdown export；Power Generation Section
Part, crosses thermal part with described second and is connected, the electrical generation components are used for the superheated steam after being heated using two level and generated electricity；The
One decompressor, is connected with first pipeline, for extracting the production in the pipeline out according to default main steam pressure scope
Vapour；In this way, when environment temperature raises, though the temperature, pressure of the lack of gas produced after unit work by combustion also with rise, can
To extract steaming in the pipeline out according to default main steam pressure scope by the first decompressor, without being dropped by unit
Load operation just may be such that main steam pressure is maintained in normal range (NR), avoid influencing the generating efficiency and generated energy of unit.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention, it is all
All any modification, equivalent and improvement made within the spirit and principles in the present invention etc., should be included in the protection of the present invention
Within the scope of.
Claims (10)
- A kind of 1. co-generation unit, it is characterised in that the system comprises：First cross thermal part, it is described first cross thermal part entrance be connected with waste heat boiler, it is described first cross thermal part for pair The saturated vapor of the heat boiler outlet carries out primary heating；Second crosses thermal part, and the described second entrance for crossing thermal part passes through the first pipeline and the described first outlet phase for crossing thermal part Even, described second the steam progress two level heating that thermal part is used to overheat knockdown export to described first is crossed；Electrical generation components, cross thermal part with described second and are connected, and the electrical generation components are used to utilize the superheated steam after two level heating Generate electricity；First decompressor, is connected with first pipeline, for extracting the pipeline out according to default main steam pressure scope Interior steams.
- 2. the system as claimed in claim 1, it is characterised in that first decompressor of system is also by second pipe with Pressure steam pipe network is connected.
- 3. the system as claimed in claim 1, it is characterised in that the system also includes：Second reducing-and-cooling plant, it is and described The outlet of first decompressor is connected.
- 4. system as claimed in claim 3, it is characterised in that second reducing-and-cooling plant also by the 3rd pipeline with it is low Pressure steam pipe network is connected.
- 5. the system as claimed in claim 1, it is characterised in that the described first thermal part and the described second thermal part excessively excessively is height Press superheater.
- 6. the system as claimed in claim 1, it is characterised in that the electrical generation components include：Steam turbine generator group.
- 7. the system as claimed in claim 1, it is characterised in that the default main steam pressure scope includes：7.07~ 7.17MPa。
- 8. the system as claimed in claim 1, it is characterised in that after two level heating, the temperature of the superheated steam for 510~ 525 DEG C, 7.3~7.39MPa of pressure.
- 9. the system as claimed in claim 1, it is characterised in that the pressure of the superheated steam come out through first decompressor For 4.5~5.0MPa.
- 10. the system as claimed in claim 1, it is characterised in that the low-pressure steam come out through second reducing-and-cooling plant Pressure be 0.78~1.18MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710984274.2A CN108005740A (en) | 2017-10-20 | 2017-10-20 | A kind of co-generation unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710984274.2A CN108005740A (en) | 2017-10-20 | 2017-10-20 | A kind of co-generation unit |
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| CN108005740A true CN108005740A (en) | 2018-05-08 |
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ID=62051029
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| CN201710984274.2A Pending CN108005740A (en) | 2017-10-20 | 2017-10-20 | A kind of co-generation unit |
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| CN103452611A (en) * | 2013-09-05 | 2013-12-18 | 上海电气电站设备有限公司 | Combined-cycle combined heat and power system |
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| CN106194295A (en) * | 2016-08-31 | 2016-12-07 | 上海量朝能源科技有限公司 | The coalignment of a kind of fired power generating unit heating parameter and method |
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| CN206267896U (en) * | 2016-11-07 | 2017-06-20 | 上海电气电站设备有限公司 | Combined cycle two-shipper condensing-back pressure formula is drawn gas cogeneration system |
| CN206267893U (en) * | 2016-11-07 | 2017-06-20 | 上海电气电站设备有限公司 | Cogeneration turbine |
-
2017
- 2017-10-20 CN CN201710984274.2A patent/CN108005740A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452611A (en) * | 2013-09-05 | 2013-12-18 | 上海电气电站设备有限公司 | Combined-cycle combined heat and power system |
| CN204591384U (en) * | 2015-04-09 | 2015-08-26 | 中国东方电气集团有限公司 | A kind of system improving subcritical coal unit reliability of heating network |
| CN205351277U (en) * | 2016-01-20 | 2016-06-29 | 中机国能电力工程有限公司 | A back pressure steam turbine thermodynamic system for isolated network operation |
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| CN106437875A (en) * | 2016-09-13 | 2017-02-22 | 上海电力学院 | Thermal power generating unit working medium shunting circulation peak shaving system |
| CN206267896U (en) * | 2016-11-07 | 2017-06-20 | 上海电气电站设备有限公司 | Combined cycle two-shipper condensing-back pressure formula is drawn gas cogeneration system |
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