CN209325827U - A kind of low emission gas turbine - Google Patents
A kind of low emission gas turbine Download PDFInfo
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- CN209325827U CN209325827U CN201822230496.8U CN201822230496U CN209325827U CN 209325827 U CN209325827 U CN 209325827U CN 201822230496 U CN201822230496 U CN 201822230496U CN 209325827 U CN209325827 U CN 209325827U
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- combustion engine
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Abstract
A kind of low emission gas turbine, it is related to a kind of gas turbine.The utility model is in order to solve the problems, such as that nitrogen oxides is exceeded in 6000 grades of discharge of gas turbine of existing old Ukraine.The utility model includes gas turbine ontology, it further includes combustion chamber (1) and fuel system (2), and combustion chamber (1) is mounted in gas turbine ontology, and fuel system (2) is connect with gas turbine ontology；Fuel system (2) includes combustion engine great underframe (4), fuel valve (5) and fuel gas supervisor (6), combustion engine great underframe (4) is horizontally mounted, fuel valve (5) is mounted on combustion engine great underframe (4), and fuel gas supervisor (6) is mounted on combustion engine great underframe (4) and enters fuel oil gas ratio by fuel valve (5) control.The utility model changes original fuel control logic, controls oil-gas ratio, and adjusting burning room temperature to reduce the generation of nitrogen oxides finally reduces amount of nitrogen oxides in its exhaust emissions.The utility model is used for gas turbine.
Description
Technical field
The utility model relates to a kind of gas turbines, and in particular to a kind of low emission gas turbine.
Background technique
With the enhancing of Public environmental attitude, the limitation of pollutant emission in flue gas is also increasingly stringenter both at home and abroad, it is right
NOx emission in gas turbine flue gas, which proposes, to be distinctly claimed, and discharge standard has greatly improved more a few years ago.Such as " GB
13223-2011 fossil-fuel power plant atmospheric pollutant emission standard " regulation, from December 1st, 2012 newly-built combustion engine wheel unit and from
Existing gas turbine group is when using gas fuel from July 1st, 2014, NOx emission concentration≤50mg/m3(25ppm),
When using oil or other gaseous fuels≤120mg/m3。
The 6000 grades of combustion engine power station construction of former Weizhou terminal Ukraine meet Contract Design requirement at that time.But nowadays
The country is vented under the background that amount of nitrogen oxides standard greatly improves using natural gas as the combustion engine of fuel, which has been unsatisfactory for discharging
It is required that.Therefore low emission transformation need to be carried out to 6000 grades of combustion engine fuel system of the existing Ukraine of CNOOC, to adapt to state at this stage
The environmental requirement and discharge standard in family and place.
In conclusion the exceeded problem of nitrogen oxides in 6000 grades of discharge of gas turbine of existing old Ukraine.
Utility model content
Purpose of the utility model is to solve nitrogen oxides in existing 6000 grades of discharge of gas turbine of old Ukraine
Exceeded problem, and then a kind of low emission gas turbine is provided.
The technical solution of the utility model is: a kind of low emission gas turbine, it includes gas turbine ontology, it further includes
Combustion chamber and fuel system, combustion chamber are mounted in gas turbine ontology, and fuel system is connect with gas turbine ontology；Fuel system
System includes that combustion engine great underframe, fuel valve and fuel gas supervisor, combustion engine great underframe are horizontally mounted, and fuel valve is mounted on combustion engine great underframe
On, fuel gas supervisor is mounted on combustion engine great underframe and enters fuel oil gas ratio by fuel valve control.
Further, combustion chamber is low emission combustor.
Further, the indoor nozzle that burns is low emission nozzle.
Further, the indoor burner inner liner that burns is low emission burner inner liner.
Further, fuel system further includes fuel flow rate distributing valve, and fuel flow rate distributing valve is mounted on combustion engine great underframe
On, the control of fuel flow rate distributing valve enters the oil-gas ratio in fuel gas supervisor.
Further, burning room temperature is 1800~1900K.
Further, the entrance of low emission nozzle is uniformly mixed natural gas and air.
The utility model has the effect that compared with prior art
Purpose of the utility model is realized as follows:
1, the utility model passes through the chamber structure for improving 6000 grades of gas turbines of former Ukraine, by former higher nitrogen oxidation
The combustion chamber of object discharge is changed to dedicated low emission combustor；And replace low emission nozzle.UGT6001 gas turbine row is greatly reduced
Amount of nitrogen oxides in putting.In addition, the utility model is increased by fuel gas pipeline between transformation combustion engine ontology and fuel valve
Fuel flow rate distributing valve changes original fuel control logic, controls oil-gas ratio, burning room temperature is adjusted, to reduce nitrogen oxygen
The generation of compound finally reduces amount of nitrogen oxides in its exhaust emissions.
2, the utility model improvement expenses are lower, and be transformed after gas turbine variation it is small, output power and efficiency are basic
Constant, former turbine power plant other systems change is small.
Detailed description of the invention
Fig. 1 is the preceding combustion chamber sectional view of UGT6001 retrofit of gasturbine；
Fig. 2 is UGT6001 retrofit of gasturbine after-burner sectional view；
Fig. 3 is fuel system partial structural diagram.
Specific embodiment
Specific embodiment 1: illustrate that present embodiment, present embodiment include gas turbine ontology in conjunction with Fig. 1 to Fig. 3,
It further includes combustion chamber 1 and fuel system 2, and combustion chamber 1 is mounted in gas turbine ontology, fuel system 2 and gas turbine sheet
Body connection；Fuel system 2 includes combustion engine great underframe 4, fuel valve 5 and fuel gas supervisor 6, and combustion engine great underframe 4 is horizontally mounted, fuel
Valve 5 is mounted on combustion engine great underframe 4, and fuel gas supervisor 6 is mounted on combustion engine great underframe 4 and enters fuel by the control of fuel valve 5
Oil-gas ratio.
Present embodiment changes original fuel control logic by the change to fuel system 2, controls oil-gas ratio, reduces
The generation of nitrogen oxides finally reduces amount of nitrogen oxides in its exhaust emissions.
Specific embodiment 2: embodiment is described with reference to Fig. 2, the combustion chamber 1 of present embodiment is low emissions combustion
Room.So set, convenient for reducing the amount of nitrogen oxides given off in combustion chamber.Other compositions and connection relationship and specific implementation
Mode one is identical.
Specific embodiment 3: embodiment is described with reference to Fig. 2, the nozzle in the combustion chamber 1 of present embodiment is low
Discharge nozzle 3.So set, reducing nitrogen oxide emission, meet national standard.Other compositions and connection relationship and specific reality
It is identical to apply mode two.
Specific embodiment 4: embodiment is described with reference to Fig. 2, the burner inner liner in the combustion chamber 1 of present embodiment is
Low emission burner inner liner 7.So set, the common discharge that reduces nitrogen oxides mating with low emission combustor and low emission nozzle 3
Amount.Other compositions and connection relationship are identical as specific embodiment one, two or three.
Specific embodiment 5: embodiment is described with reference to Fig. 3, the fuel system 2 of present embodiment further includes fuel
Flow divider valve, fuel flow rate distributing valve are mounted on combustion engine great underframe 4, and the control of fuel flow rate distributing valve enters fuel gas and is responsible for
Oil-gas ratio in 6.So set, indoor temperature of burning is adjusted, to reduce nitrogen oxides by the control to oil-gas ratio
It generates, finally reduces the content of nitrogen oxides in its exhaust emissions.Other compositions and connection relationship and specific embodiment one,
Two, three or four is identical.
Specific embodiment 6: embodiment is described with reference to Fig. 2, temperature is 1800 in the combustion chamber 1 of present embodiment
~1900K.So set, adjusting indoor temperature of burning finally reduces its exhaust emissions to reduce the generation of nitrogen oxides
The content of middle nitrogen oxides.Other compositions and connection relationship and specific embodiment one, two, three, four or five are identical.
Specific embodiment 7: embodiment is described with reference to Fig. 2, the entrance of the low emission nozzle 3 of present embodiment
Natural gas and air are uniformly mixed.So set, such mode can reduce combustor exhaust temperature, to reduce nitrogen
Oxide production quantity.Other compositions and connection relationship are identical as any one of specific embodiment one to six.
The utility model is that former plain nozzle is changed to low emission special nozzle, changes the design of nozzle head spray orifice, and right
Chamber structure carries out adaptability reform, sees Fig. 2.Principle be improved nozzle to the natural gas entered in nozzle and air into
Row uniformly mixing, keeps burning interior flame temperature uniform by adjusting fuel oil gas ratio in the controls, reduces burning
Room delivery temperature, to reduce formation of nitrogen oxides.
Claims (7)
1. a kind of low emission gas turbine, it includes gas turbine ontology, it is characterised in that: it further includes combustion chamber (1) and combustion
Material system (2), combustion chamber (1) are mounted in gas turbine ontology, and fuel system (2) is connect with gas turbine ontology；
Fuel system (2) includes combustion engine great underframe (4), fuel valve (5) and fuel gas supervisor (6), the horizontal peace of combustion engine great underframe (4)
Dress, fuel valve (5) are mounted on combustion engine great underframe (4), and fuel gas supervisor (6) is mounted on combustion engine great underframe (4) and passes through fuel
Valve (5) control enters fuel oil gas ratio.
2. a kind of low emission gas turbine according to claim 1, it is characterised in that: combustion chamber (1) is low emissions combustion
Room.
3. a kind of low emission gas turbine according to claim 2, it is characterised in that: the nozzle in combustion chamber (1) is low
Discharge nozzle (3).
4. a kind of low emission gas turbine according to claim 3, it is characterised in that: the burner inner liner in combustion chamber (1) is
Low emission burner inner liner (7).
5. a kind of low emission gas turbine according to claim 4, it is characterised in that: fuel system (2) further includes fuel
Flow divider valve, fuel flow rate distributing valve are mounted on combustion engine great underframe (4), and the control of fuel flow rate distributing valve enters fuel gas master
Manage the oil-gas ratio in (6).
6. a kind of low emission gas turbine according to claim 5, it is characterised in that: combustion chamber (1) interior temperature is 1800
~1900K.
7. a kind of low emission gas turbine according to claim 6, it is characterised in that: the entrance of low emission nozzle (3)
Natural gas and air are uniformly mixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822230496.8U CN209325827U (en) | 2018-12-28 | 2018-12-28 | A kind of low emission gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822230496.8U CN209325827U (en) | 2018-12-28 | 2018-12-28 | A kind of low emission gas turbine |
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| Publication Number | Publication Date |
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| CN209325827U true CN209325827U (en) | 2019-08-30 |
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| CN201822230496.8U Active CN209325827U (en) | 2018-12-28 | 2018-12-28 | A kind of low emission gas turbine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519971A (en) * | 2018-12-28 | 2019-03-26 | 中国船舶重工集团公司第七0三研究所 | A kind of low emission gas turbine |
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2018
- 2018-12-28 CN CN201822230496.8U patent/CN209325827U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519971A (en) * | 2018-12-28 | 2019-03-26 | 中国船舶重工集团公司第七0三研究所 | A kind of low emission gas turbine |
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