CN204386668U - A kind of Turbo-generator Set - Google Patents
A kind of Turbo-generator Set Download PDFInfo
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- CN204386668U CN204386668U CN201420831419.7U CN201420831419U CN204386668U CN 204386668 U CN204386668 U CN 204386668U CN 201420831419 U CN201420831419 U CN 201420831419U CN 204386668 U CN204386668 U CN 204386668U
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Abstract
The utility model discloses a kind of Turbo-generator Set, be applied to gas combustion-gas vapor combined cycle unit, this Turbo-generator Set comprises: two pressure exhaust heat boiler; Steam turbine, is connected with described pair of pressure exhaust heat boiler; Generator, is connected with described steam turbine; Vapour condenser, is connected with described steam turbine; Wherein, produced sub-high pressure steam and low pressure steam when two pressure exhaust heat boiler heats, when described steam turbine is opened, described sub-high pressure steam and described low pressure steam promote steam turbine acting, steam turbine drive electrical generators generates electricity, and the steam finishing merit is entered the cooling of described vapour condenser by steam turbine.In technique scheme, make by providing two pressure exhaust heat boiler in two pressure exhaust heat boiler, to be heated the sub-high pressure steam of rear generation and low pressure steam input steam turbine, thus increase load and the Power output of steam turbine, solve the technical problem that in prior art, gas combustion-gas vapor combined cycle unit overall efficiency is lower, improve overall efficiency.
Description
Technical field
The utility model relates to gas combustion-gas vapor combined cycle machine set technology field, particularly a kind of Turbo-generator Set.
Background technique
Along with the development of science and technology, generator obtains and develops fast, and the power of generating is progressively diversified, not only can utilize the multiple dynamic powers such as combustion gas, wind-force, waterpower, solar energy, can also utilize combustion gas and Steam Combined generating.
In prior art, 50MW gas combustion-gas vapor combined cycle unit can by combustion gas and Steam Combined generating.But, the application's model utility people is in the process realizing technological scheme in the embodiment of the present application, find gas combustion-gas vapor combined cycle unit of the prior art, the exhaust heat boiler adopted is single-pressure HGSR, namely exhaust heat boiler only has a HP steam drum, a kind of steam of parameter can only be produced, its steam parameter is about: high pressure main vapour pressure: 3.52MPa, temperature: 440 DEG C, flow: 100t/h, the steam turbine power generation load that single-pressure HGSR is supporting is for this reason less, its specified go out power lower, even less than 20MW, cause gas combustion-gas vapor combined cycle unit overall efficiency lower.
Visible, in prior art there is the lower technical problem of overall efficiency in gas combustion-gas vapor combined cycle unit.
Summary of the invention
The utility model embodiment provides a kind of Turbo-generator Set, for solving the technical problem that in prior art, gas combustion-gas vapor combined cycle unit overall efficiency is lower, improves overall efficiency.
The embodiment of the present application provides a kind of Turbo-generator Set, is applied to gas combustion-gas vapor combined cycle unit, and described Turbo-generator Set comprises:
Two pressure exhaust heat boiler;
Steam turbine, is connected with described pair of pressure exhaust heat boiler;
Generator, is connected with described steam turbine;
Vapour condenser, is connected with described steam turbine;
Wherein, when two pressure exhaust heat boiler is heated generation sub-high pressure steam and low pressure steam, described steam turbine open, described sub-high pressure steam and described low pressure steam promote steam turbine acting, steam turbine drive electrical generators generates electricity, and the steam finishing merit is entered the cooling of described vapour condenser by steam turbine.
Optionally, described Turbo-generator Set also comprises: turbine bypass system, for being connected with described vapour condenser by described steam turbine;
Wherein, when described steam turbine is not opened, described sub-high pressure steam and described low pressure steam enter described vapour condenser by described turbine bypass system and condense into water.
Optionally, described Turbo-generator Set also comprises: air ejector, is connected with described vapour condenser; Described air ejector is used for forming vacuum at the steam-expelling port of steam turbine and the steam space of vapour condenser.
Optionally, the parameter of described sub-high pressure steam is specially: high pressure main vapour pressure: 6.0MPa, temperature: 530 DEG C, flow: 72t/h; The parameter of described low pressure steam is specially: low pressure main vapour pressure: 0.8MPa, temperature: 230 DEG C, flow: 10.4t/h.
Above-mentioned one or more technological scheme in the embodiment of the present application, at least has following technique effect:
By providing two pressure exhaust heat boiler, steam turbine, generator and vapour condenser for gas combustion-gas vapor combined cycle unit, make in two pressure exhaust heat boiler, to be heated the sub-high pressure steam of rear generation and low pressure steam input steam turbine, sub-high pressure steam promotes steam turbine acting together with low pressure steam, steam turbine drive electrical generators generates electricity, thus increase load and the Power output of steam turbine, solve the technical problem that in prior art, gas combustion-gas vapor combined cycle unit overall efficiency is lower, improve overall efficiency.
Accompanying drawing explanation
The schematic diagram of a kind of Turbo-generator Set that Fig. 1 provides for the embodiment of the present application;
The schematic diagram of the gas combustion-gas vapor combined cycle unit that Fig. 2 provides for the embodiment of the present application.
Embodiment
In the technological scheme that the embodiment of the present application provides, by providing two pressure exhaust heat boiler for gas combustion-gas vapor combined cycle unit, steam turbine, generator and vapour condenser, make in two pressure exhaust heat boiler, to be heated the sub-high pressure steam of rear generation and low pressure steam input steam turbine, sub-high pressure steam promotes steam turbine acting together with low pressure steam, steam turbine drive electrical generators generates electricity, thus increase load and the Power output of steam turbine, solve the technical problem that in prior art, gas combustion-gas vapor combined cycle unit overall efficiency is lower, improve overall efficiency.
Below in conjunction with accompanying drawing, the main of the embodiment of the present application technological scheme is realized principle, embodiment and be explained in detail the beneficial effect that should be able to reach.
Embodiment
Please refer to Fig. 1, the embodiment of the present application provides a kind of Turbo-generator Set, is applied to gas combustion-gas vapor combined cycle unit, and described Turbo-generator Set comprises:
Two pressure exhaust heat boiler 1;
Steam turbine 2, is connected with described pair of pressure exhaust heat boiler 1;
Generator 3, is connected with described steam turbine 2;
Vapour condenser 4, is connected with described steam turbine 2;
Wherein, when two pressure exhaust heat boiler 1 is produced sub-high pressure steam and low pressure steam by heating, when described steam turbine 2 is opened, described sub-high pressure steam and described low pressure steam promote steam turbine 2 and do work, steam turbine 2 drive electrical generators generates electricity, and the steam finishing merit is entered described vapour condenser 4 and cools by steam turbine 2.
The Turbo-generator Set that the application implements to provide specifically can be applied to 50MW gas combustion-gas vapor combined cycle unit.Please refer to Fig. 2, two pressure exhaust heat boiler 1 is also connected with chimney with gas turbine; Gas turbine is connected with air filter with fuel engine power generation machine; Fuel engine power generation machine is connected with gas compression pump; Gas compression pump is connected with electric cleaner with gas cooler; Electric cleaner is connected with high gas-nitrogen mixer; High gas-nitrogen mixer is connected with high gas-Jiao gas mixer.Wherein, high gas-Jiao gas mixer is used for blast furnace gas and the gain of heat value coke-stove gas of Mixed design, high gas-nitrogen mixer is for mixing reduction of heat value nitrogen and the mixed gas of high gas-Jiao gas mixer, the gas that high gas-mixing of nitrogen mixer exports exports gas compression pump to after electric cleaner dedusting, gas after gas compression pump compression is used for propelling gas turbine engine acting, thus drives the generating of fuel engine power generation machine.
In specific implementation process, gas turbine produces and the gas waste-heat of discharging also can be used for heating two pressure exhaust heat boiler 1, is being discharged by chimney.The different steam of two kinds of parameters can be produced: sub-high pressure steam and low pressure steam, for increasing the load of the steam turbine 2 be connected with two pressure exhaust heat boiler 1 after two pressure exhaust heat boiler 1 is heated.Wherein, the parameter of the sub-high pressure steam of two pressure exhaust heat boiler 1 generation is specifically as follows: high pressure main vapour pressure: 6.0MPa, temperature: 530 DEG C, flow: 72t/h; The parameter of the described low pressure steam that two pressure exhaust heat boiler 1 produces is specifically as follows: low pressure main vapour pressure: 0.8MPa, temperature: 230 DEG C, flow: 10.4t/h.
The Turbo-generator Set that the embodiment of the present application provides also comprises: turbine bypass system, for being connected with vapour condenser 4 by steam turbine 2.In actual application, when described steam turbine 2 is not opened, the described sub-high pressure steam that two pressure exhaust heat boiler 1 produces and described low pressure steam enter described vapour condenser 4 by described turbine bypass system and condense into water.When described steam turbine 2 is opened, the sub-high pressure steam that two pressure exhaust heat boiler 1 produces and low pressure steam export steam turbine 2 to, and promote steam turbine 2 and to do work thus drive electrical generators 3 generates electricity.
Further, the Turbo-generator Set that the embodiment of the present application provides also comprises: air ejector, is connected with described vapour condenser 4; Described air ejector is used for forming vacuum in the steam space of the steam-expelling port of steam turbine 2 and vapour condenser 4, makes to enter vapour condenser 4 after the steam of the most rear class of steam turbine 2 finishes merit, and steam discharge is cooled under tiny structure.
The generating of fuel engine power generation machine is not driven by means of only gas turbine in the Turbo-generator Set that above-described embodiment provides, also generated electricity by steam turbine 2 drive electrical generators 3, and steam turbine 2 promotes acting by sub-high pressure steam and low pressure steam, improve the equivalent speed efficiency of exhaust heat boiler, make steam turbine 2 load improve more than 3MW, and then improve the overall efficiency of 50MW gas steam combined cycle for power generation unit.
By the one or more technological schemes in the embodiment of the present application, following technique effect can be realized:
By providing two pressure exhaust heat boiler, steam turbine, generator and vapour condenser for gas combustion-gas vapor combined cycle unit, make in two pressure exhaust heat boiler, to be heated the sub-high pressure steam of rear generation and low pressure steam input steam turbine, sub-high pressure steam promotes steam turbine acting together with low pressure steam, steam turbine drive electrical generators generates electricity, thus increase load and the Power output of steam turbine, solve the technical problem that in prior art, gas combustion-gas vapor combined cycle unit overall efficiency is lower, improve overall efficiency.
Although described preferred embodiment of the present utility model, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (4)
1. a Turbo-generator Set, is applied to gas combustion-gas vapor combined cycle unit, it is characterized in that, described Turbo-generator Set comprises:
Two pressure exhaust heat boiler;
Steam turbine, is connected with described pair of pressure exhaust heat boiler;
Generator, is connected with described steam turbine;
Vapour condenser, is connected with described steam turbine;
Wherein, sub-high pressure steam and low pressure steam is produced when described pair of pressure exhaust heat boiler is heated, when described steam turbine is opened, described sub-high pressure steam and described low pressure steam promote the acting of described steam turbine, described steam turbine drives described electrical power generators, and the steam finishing merit is entered the cooling of described vapour condenser by described steam turbine.
2. Turbo-generator Set as claimed in claim 1, it is characterized in that, described Turbo-generator Set also comprises: turbine bypass system, for being connected with described vapour condenser by described steam turbine;
Wherein, when described steam turbine is not opened, described sub-high pressure steam and described low pressure steam enter described vapour condenser by described turbine bypass system and condense into water.
3. Turbo-generator Set as claimed in claim 1 or 2, it is characterized in that, described Turbo-generator Set also comprises: air ejector, is connected with described vapour condenser; Described air ejector is used for forming vacuum at the steam-expelling port of steam turbine and the steam space of vapour condenser.
4. Turbo-generator Set as claimed in claim 1 or 2, it is characterized in that, the parameter of described sub-high pressure steam is specially: high pressure main vapour pressure: 6.0MPa, temperature: 530 DEG C, flow: 72t/h; The parameter of described low pressure steam is specially: low pressure main vapour pressure: 0.8MPa, temperature: 230 DEG C, flow: 10.4t/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420831419.7U CN204386668U (en) | 2014-12-23 | 2014-12-23 | A kind of Turbo-generator Set |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420831419.7U CN204386668U (en) | 2014-12-23 | 2014-12-23 | A kind of Turbo-generator Set |
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| CN204386668U true CN204386668U (en) | 2015-06-10 |
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| CN201420831419.7U Active CN204386668U (en) | 2014-12-23 | 2014-12-23 | A kind of Turbo-generator Set |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443172A (en) * | 2015-12-27 | 2016-03-30 | 安徽淮化股份有限公司 | System for improving acting efficiency of steam turbine |
| CN108843450A (en) * | 2018-07-22 | 2018-11-20 | 华电电力科学研究院有限公司 | Steam supply load relatively low electricity generation system and its working method in a kind of solution distributed energy |
-
2014
- 2014-12-23 CN CN201420831419.7U patent/CN204386668U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443172A (en) * | 2015-12-27 | 2016-03-30 | 安徽淮化股份有限公司 | System for improving acting efficiency of steam turbine |
| CN105443172B (en) * | 2015-12-27 | 2017-12-19 | 安徽淮化股份有限公司 | System for improving steam turbine mechanical efficiency |
| CN108843450A (en) * | 2018-07-22 | 2018-11-20 | 华电电力科学研究院有限公司 | Steam supply load relatively low electricity generation system and its working method in a kind of solution distributed energy |
| CN108843450B (en) * | 2018-07-22 | 2024-03-05 | 华电电力科学研究院有限公司 | Power generation system for solving problem of low steam supply load in distributed energy and working method thereof |
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