CN203517806U - Gas and liquid dual-fuel integrated nozzle - Google Patents
Gas and liquid dual-fuel integrated nozzle Download PDFInfo
- Publication number
- CN203517806U CN203517806U CN201320654834.5U CN201320654834U CN203517806U CN 203517806 U CN203517806 U CN 203517806U CN 201320654834 U CN201320654834 U CN 201320654834U CN 203517806 U CN203517806 U CN 203517806U
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- nozzle
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Abstract
The utility model provides a gas and liquid dual-fuel integrated nozzle, which mainly comprises a liquid fuel dual-fuel-line nozzle, a gas fuel nozzle and an anti-carbon air flow channel, and is characterized in that the anti-carbon nozzle is in threaded connection with the shell of the nozzle; a hydrocyclone, a spring, a first fuel-line nozzle, a second fuel-line nozzle, a ferrule, a seal ring and a clamp ring are sequentially assembled to constitute a liquid fuel nozzle assembly. The gas and liquid dual-fuel integrated nozzle has the advantages of being capable of replacing a traditional fuel nozzle, and directly switching fuel without stopping machine and replacing the flame tube and nozzle, so that the real-time switching of different fuels and the smooth non-disturbance transition of unit are achieved. The gas and liquid dual-fuel integrated nozzle adopts the design of integrating the gas fuel nozzle with the liquid fuel nozzle, and thus being capable of directly replacing original engine oil and fuel nozzles; the liquid fuel nozzle has the two fuel lines, the gas fuel nozzle is aerated through an inclined air hole, and the nozzle body is designed with the anti-carbon air flow channel, so that the nozzle is effectively prevented from being blocked.
Description
technical field:
The utility model relates to Thermal Energy and Power Engineering technical field, refers in particular to a kind of can holding concurrently and burns the gas-liquid double fuel integrated spray nozzle of fuel gas and liquid fuel.
background technology:
Along with the variation of variety of energy sources and the extensive use of gas turbine, in order to make full use of the various energy, improve the applicability of gas turbine to different fuel, be necessary to develop to hold concurrently and burn the dual fuel nozzle of liquid fuel and gaseous fuel or gas-liquid multifuel combustion.
Double fuel gas turbine can make full use of the fuel such as natural gas, artificial coal gas, biogas and cracking gas, thereby has expanded using energy source scope; The cycle efficieny of gas turbine not only can be improved, but also pollutant emission can be reduced.Its using value is subject to the extensive concern in each fields such as domestic and international academia, business circles, industrial quarters, army's event horizon.The fuel placement of conventional double fuel gas turbine mainly contains two kinds: a kind ofly take natural gas as main fuel, take light oil as guarantee fuel, two kinds of fuel all can normal starting igniting; Another kind be take inferior fuel as main fuel, take light oil as ignition start and guarantee fuel.
Double fuel combustion mode is a designing requirement of industry gas turbine combustion chamber, and industry gas turbine must guarantee to use the startup of double fuel while using specific fuel to realize or the oil and gas that need to carry out due to emergency switches.Gas-liquid dual fuel nozzle combustion technology is to realize the key technology that under unit duty, between fuel gas and liquid fuel, undisturbed switches.Dual fuel nozzle must meet the requirement that can meet unit operation while using any fuel separately, and unit fluctuation is little, flameholding.Therefore the research of dual fuel nozzle has important using value.
utility model content:
The purpose of this utility model is to provide a kind of gas-liquid double fuel integrated spray nozzle, overcomes the above problems the technical characterstic of its integrated liquid fuel nozzle and gas fuel nozzle and developing.
The purpose of this utility model realizes as follows: a kind of gas-liquid double fuel integrated spray nozzle, mainly comprise liquid fuel duplex burner, gaseous fuel nozzle, anti-carbon deposition air flow channel, it is characterized in that: anti-carbon deposition nozzle and nozzle housing pass through thread connection, in turn cyclone, spring, the first oil circuit nozzle, the second oil circuit nozzle, cutting ferrule, sealing ring, hold-down ring are fitted together, form liquid fuel nozzles assembly; Dividing plate, gaseous fuel nozzle, nozzle housing weld respectively, between dividing plate and anti-carbon deposition nozzle, by locking plate, lock, and prevent thread looseness, complete whole dual fuel nozzle assembling;
During combusting liquid fuel, close fuel gas pipe valve; During low operating mode, only has the first oil circuit fuel feeding; During high operating mode, two oil circuits are fuel feeding simultaneously; Anti-carbon deposition air enters ring cavity from entrance, from jet expansion, flows out, and can effectively prevent spray nozzle clogging; While using fuel gas, close liquid fuel pipe valve, fuel gas feeds nozzle from pipeline, after radome fairing rectification, from the oblique pore of gas circuit, sprays into combustion chamber, forms multiple spot rotating jet, burns with rotational flow air blending; Gaseous fuel nozzle is positioned at liquid fuel nozzle outside, and adopts welding to be connected with lock washer with shell; Air feed ring cavity is designed with radome fairing and sprays uniformity to guarantee fuel.
The beneficial effects of the utility model are, this type nozzle is arranged on combustion chamber, can replace traditional fuel nozzle, do not needing shutdown, do not needing to change burner inner liner, do not needing to change under the prerequisite of nozzle, directly switch fuel, realize the real-time switching of different fuel, and the level and smooth undisturbed transition of unit; The utility model gas fuel nozzle and liquid fuel nozzles integrated design, can directly replace prototype fuel nozzle; Liquid fuel nozzles adopts two oil circuits, and gaseous fuel nozzle adopts oblique pore air feed, and nozzle body design has anti-carbon deposition air flow channel, can effectively prevent spray nozzle clogging.
accompanying drawing explanation:
Accompanying drawing is the utility model structural representation;
In figure: 1-nozzle housing; 2-fuel gas pipeline; 3-the first oil circuit; 4-the second oil circuit; 5-spring; 6-cyclone; 7-the first oil circuit nozzle; 8-the second oil circuit nozzle; 9-cutting ferrule; 10-anti-carbon deposition nozzle; 11-locking plate; The oblique pore of 12-gas circuit; 13-dividing plate; 14-gaseous state nozzle; 15-sealing ring; 16-hold-down ring; 17-radome fairing; 18-anti-carbon deposition air intake.
the specific embodiment:
In order further to set forth the utility model, be to reach technological means and the method that predetermined utility model object adopts, below in conjunction with accompanying drawing and preferred embodiments, gas-liquid double fuel integrated spray nozzle concrete structure and working method to the utility model proposes, be described in detail as follows:
With reference to accompanying drawing, a kind of gas-liquid double fuel integrated spray nozzle, mainly comprise liquid fuel duplex burner, gaseous fuel nozzle, anti-carbon deposition air flow channel, it is characterized in that: anti-carbon deposition nozzle 10 passes through thread connection with nozzle housing 1, in turn cyclone 6, spring 5, the first oil circuit nozzle 7, the second oil circuit nozzle 8, cutting ferrule 9, sealing ring 15, hold-down ring 15 are fitted together, form liquid fuel nozzles assembly, oil circuit nozzle can complete the atomizing effect of fuel oil;
During combusting liquid fuel, close fuel gas pipe valve; During low operating mode, only have the first oil circuit 3 fuel feeding; During high operating mode, two oil circuits are fuel feeding simultaneously; Anti-carbon deposition air enters ring cavity from entrance, from jet expansion, flows out, and can effectively prevent spray nozzle clogging; While using fuel gas, close liquid fuel pipe valve, fuel gas feeds nozzle from pipeline, after radome fairing 17 rectifications, from the oblique pore 12 of gas circuit, sprays into combustion chamber, forms multiple spot rotating jet, burns with rotational flow air blending; Gaseous fuel nozzle is positioned at liquid fuel nozzle outside, and adopts welding to be connected with lock washer with shell; Air feed ring cavity is designed with radome fairing 17 and sprays uniformity to guarantee fuel.
When fuel nozzle stops up, can open locking plate 11, oil circuit to be overhauled, this structure has improved the convertibility of oil circuit.And as integrated design, do not need to change nozzle-integrated, just can directly by fuel conduit valve, carry out Fuel switching.
Claims (1)
1. a gas-liquid double fuel integrated spray nozzle, mainly comprise liquid fuel duplex burner, gaseous fuel nozzle, anti-carbon deposition air flow channel, it is characterized in that: anti-carbon deposition nozzle (10) passes through thread connection with nozzle housing (1), in turn cyclone (6), spring (5), the first oil circuit nozzle (7), the second oil circuit nozzle (8), cutting ferrule (9), sealing ring (15), hold-down ring (15) are fitted together, form liquid fuel nozzles assembly; Dividing plate (13), gaseous fuel nozzle (2), nozzle housing (1) weld respectively, between dividing plate (13) and anti-carbon deposition nozzle (10), by locking plate (11) locking, prevent thread looseness, complete whole dual fuel nozzle assembling;
During combusting liquid fuel, close fuel gas pipe valve; During low operating mode, only has the first oil circuit (3) fuel feeding; During high operating mode, two oil circuits are fuel feeding simultaneously; Anti-carbon deposition air enters ring cavity from entrance, from jet expansion, flows out, and can effectively prevent spray nozzle clogging; While using fuel gas, close liquid fuel pipe valve, fuel gas feeds nozzle from pipeline, after radome fairing (17) rectification, from the oblique pore of gas circuit (12), sprays into combustion chamber, forms multiple spot rotating jet, burns with rotational flow air blending; Gaseous fuel nozzle is positioned at liquid fuel nozzle outside, and adopts welding to be connected with lock washer with shell; Air feed ring cavity is designed with radome fairing (17) and sprays uniformity to guarantee fuel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320654834.5U CN203517806U (en) | 2013-10-23 | 2013-10-23 | Gas and liquid dual-fuel integrated nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320654834.5U CN203517806U (en) | 2013-10-23 | 2013-10-23 | Gas and liquid dual-fuel integrated nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203517806U true CN203517806U (en) | 2014-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320654834.5U Withdrawn - After Issue CN203517806U (en) | 2013-10-23 | 2013-10-23 | Gas and liquid dual-fuel integrated nozzle |
Country Status (1)
| Country | Link |
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| CN (1) | CN203517806U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486592A (en) * | 2013-10-23 | 2014-01-01 | 中国船舶重工集团公司第七�三研究所 | Gas-liquid dual-fuel integrated nozzle |
| CN104373596A (en) * | 2014-11-13 | 2015-02-25 | 中国南方航空工业(集团)有限公司 | Nozzle swirler |
| CN104390235A (en) * | 2014-11-20 | 2015-03-04 | 中国船舶重工集团公司第七�三研究所 | Premixing swirl duty nozzle |
| CN104566473A (en) * | 2014-12-30 | 2015-04-29 | 北京华清燃气轮机与煤气化联合循环工程技术有限公司 | Double-fuel spray nozzle of combustion chamber of gas turbine |
| CN105604694A (en) * | 2016-01-28 | 2016-05-25 | 哈尔滨工业大学 | Preheating-type chemical regenerative diesel engine |
| CN107796016A (en) * | 2017-09-29 | 2018-03-13 | 哈尔滨理工大学 | A kind of gas-turbine combustion chamber double fuel integrated spray nozzle device |
-
2013
- 2013-10-23 CN CN201320654834.5U patent/CN203517806U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486592A (en) * | 2013-10-23 | 2014-01-01 | 中国船舶重工集团公司第七�三研究所 | Gas-liquid dual-fuel integrated nozzle |
| CN103486592B (en) * | 2013-10-23 | 2016-08-31 | 中国船舶重工集团公司第七�三研究所 | Gas-liquid double fuel integrated spray nozzle |
| CN104373596A (en) * | 2014-11-13 | 2015-02-25 | 中国南方航空工业(集团)有限公司 | Nozzle swirler |
| CN104390235A (en) * | 2014-11-20 | 2015-03-04 | 中国船舶重工集团公司第七�三研究所 | Premixing swirl duty nozzle |
| CN104390235B (en) * | 2014-11-20 | 2017-06-27 | 中国船舶重工集团公司第七�三研究所 | Premixed swirl formula nozzle on duty |
| CN104566473A (en) * | 2014-12-30 | 2015-04-29 | 北京华清燃气轮机与煤气化联合循环工程技术有限公司 | Double-fuel spray nozzle of combustion chamber of gas turbine |
| CN104566473B (en) * | 2014-12-30 | 2018-02-09 | 北京华清燃气轮机与煤气化联合循环工程技术有限公司 | A kind of dual fuel nozzle of gas-turbine combustion chamber |
| CN105604694A (en) * | 2016-01-28 | 2016-05-25 | 哈尔滨工业大学 | Preheating-type chemical regenerative diesel engine |
| CN105604694B (en) * | 2016-01-28 | 2018-06-22 | 哈尔滨工业大学 | A kind of preheating type chemical back heating formula diesel engine |
| CN107796016A (en) * | 2017-09-29 | 2018-03-13 | 哈尔滨理工大学 | A kind of gas-turbine combustion chamber double fuel integrated spray nozzle device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20141023 |
|
| EXPY | Termination of patent right or utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140402 Effective date of abandoning: 20160831 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |