CN204438190U - A kind of cyclone and use the gas-turbine combustion chamber nozzle of this cyclone - Google Patents
A kind of cyclone and use the gas-turbine combustion chamber nozzle of this cyclone Download PDFInfo
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- CN204438190U CN204438190U CN201420815776.4U CN201420815776U CN204438190U CN 204438190 U CN204438190 U CN 204438190U CN 201420815776 U CN201420815776 U CN 201420815776U CN 204438190 U CN204438190 U CN 204438190U
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- swirl vane
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Abstract
The utility model relates to gas turbine technology field, particularly relates to a kind of cyclone and uses the gas-turbine combustion chamber nozzle of this cyclone.Cyclone comprises interior pipe, outer tube and swirl vane, swirl vane comprises swirl vane leading portion and swirl vane back segment, swirl vane back segment is between interior pipe and outer tube, and be fixedly connected with inner and outer tubes, swirl vane leading portion is removably mounted between inner and outer tubes, be provided with center fuel passage in interior pipe, swirl vane leading portion be provided with branch road fuel channel and fuel orifice, center fuel passage, to be connected between branch road fuel channel and fuel orifice.To on nozzle fuel distribute regulate time, flow test can be carried out to single swirl vane leading portion, can the position of fuel orifice, quantity and size on fuel metering swirl vane leading portion easily, reduce the manufacturing cost of nozzle, on swirl vane leading portion, fabricate fuel spray-hole is more simple and convenient simultaneously, can reduce the manufacturing cost of cyclone.
Description
Technical field
The utility model relates to gas turbine technology field, particularly relates to a kind of cyclone and uses the gas-turbine combustion chamber nozzle of this cyclone.
Background technology
At present, the thermal efficiency of gas turbine improves in gas turbine manufacturer by promoting combustor exit temperature, and meanwhile, its product need meet day by day harsh pollutant emission requirement.Usual the produced major air pollutant effulent of gas turbine adopting conventional carbon hydrocarbon fuel is nitrogen oxide, carbon monoxide and unburned hydrocarbon.As everyone knows, the maximum gas temperature of combustion chamber reaction zone is depended in the generation of nitrogen oxide to a great extent.The method of existing reduction combustion chamber reaction zone temperature is before fuel enters combustion zone, fuel and air is carried out premixed and forms lean mixture.In poor lean premixed combustor reaction zone, the thermal mass of additional air can reduce the peak temperature in reaction zone, to reduce the generation of nitrogen oxide.
Typical gas turbine premixer fuel nozzle cyclone can adopt casting swirl vane assembly, wherein uses the formed hollow blade of round arrangement to carry out turn air inlet.Hollow blade be also used as fuel transport passageway, wherein each blade is provided with the several gas ports holes pierced in side, fuel by gas ports hole be ejected into through air stream in.
As shown in Figure 1, for adopting the cyclone 1 ' for premixed fuel nozzle of prior art.This cyclone 1 ' is made up of the interior pipe 11 ' with center fuel passage 111 ', the swirl vane 13 ' with branch road fuel channel 1311 ' and fuel orifice 1312 ' and outer tube 12 '.Fuel, by center fuel passage 111 ' in centerbody, enters the branch road fuel channel 1311 ' in swirl vane 13 ' respectively, and penetrates from fuel orifice 1312 '.The distribution of fuel is realized by the position of fuel orifice 1312 ' and size.The fuel penetrated from fuel orifice 1312 ' and incoming air carry out premixed and form lean mixture, then enter in combustion zone and burn.Employing premixed fuel nozzle cyclone 1 ' of the prior art in, exist many to processing and debug relevant problem.In premixed fuel designs of nozzles, need to carry out flow test to nozzle, by iteration debugging, Flow in Nozzle performance is optimized.Because the premixed fuel nozzle cyclone 1 ' adopting prior art is overall structure, and complicated structure, when fabricate fuel spray-hole 1312 ', for ensureing precision and the roughness of boring, high requirement is proposed to rig and technique.Meanwhile, in iteration debugging, need to regulate the position of fuel orifice 1312 ' and size.If the perforated area of fuel orifice 1312 ' is too large or need to regulate its position, just there is no method to realize, and cyclone 1 ' assembly cannot be reused, increase experimentation cost.
Therefore, for above deficiency, need to provide a kind of cyclone regulating the fuel orifice handling ease of nozzle fuel assignment of traffic easily, on swirl vane.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is: be the distribution realizing fuel by changing the position of fuel orifice and size in cyclone, traditional cyclone, swirl vane on it is monolithic construction, when the distribution of fuel is adjusted, need to change whole cyclone, adjust each time and all need to change whole cyclone, debug very inconvenient, affect manufacturing cycle and the manufacturing cost of nozzle, and the complicated structure of cyclone, when fabricate fuel spray-hole, for ensureing precision and the roughness of boring, high requirement is proposed to rig and technique, add manufacturing cost and the manufacture difficulty of cyclone.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of cyclone, comprise interior pipe, outer tube and swirl vane, described swirl vane comprises swirl vane leading portion and swirl vane back segment, described swirl vane back segment is between described interior pipe and described outer tube, and be fixedly connected with described outer tube with described interior pipe, described swirl vane leading portion is removably mounted between described interior pipe and described outer tube, center fuel passage is provided with in described interior pipe, described swirl vane leading portion is provided with branch road fuel channel and fuel orifice, described center fuel passage, be connected between described branch road fuel channel and described fuel orifice.
Wherein, described outer tube is provided with installing hole, described swirl vane leading portion matches with described installing hole.
Wherein, described interior pipe is provided with groove, described swirl vane leading portion and described fit depressions.
Wherein, described swirl vane leading portion and pass through brazing between described interior pipe and described outer tube.
Wherein, the eddy flow angle of described swirl vane leading portion is 0 degree.
Wherein, the 10%-50% that swirl vane leading portion accounts for whole swirl vane length is stated.
Wherein, described interior pipe, described outer tube and described swirl vane leading portion integrally casting are shaping.
Wherein, described swirl vane leading portion is tabular, and described branch road fuel channel should be arranged along the length direction of described swirl vane leading portion, and described branch road fuel channel is evenly equipped with multiple fuel orifice.
Wherein, described fuel orifice is manhole.
The utility model additionally provides a kind of gas-turbine combustion chamber nozzle, includes the cyclone described in above-mentioned any embodiment.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages: utility model provides a kind of cyclone, comprise interior pipe, outer tube and swirl vane, described swirl vane comprises swirl vane leading portion and swirl vane back segment, described swirl vane back segment is between described interior pipe and described outer tube, and be fixedly connected with described outer tube with described interior pipe, described swirl vane leading portion is removably mounted between described interior pipe and described outer tube, center fuel passage is provided with in described interior pipe, described swirl vane leading portion is provided with branch road fuel channel and fuel orifice, described center fuel passage, be connected between described branch road fuel channel and described fuel orifice.The cyclone that the utility model provides, swirl vane leading portion on it is removably mounted between interior pipe and outer tube, to on nozzle fuel distribute regulate time, flow test can be carried out to single swirl vane leading portion, purpose of design is met to guarantee that fuel distributes, because swirl vane leading portion can carry out flow test separately, can the position of fuel orifice on fuel metering swirl vane leading portion easily, quantity and size, reduce the cost of testpieces and shorten the flow test cycle, on swirl vane leading portion, fabricate fuel spray-hole is more simple and convenient simultaneously, the manufacturing cost of cyclone can be reduced.
Accompanying drawing explanation
The advantage of the above-mentioned and/or additional aspect of the utility model will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the sectional structure schematic diagram of cyclone in prior art;
Fig. 2 is the sectional structure schematic diagram of the cyclone described in the utility model embodiment;
Fig. 3 is the sectional structure schematic diagram of the gas-turbine combustion chamber nozzle of the cyclone that the utility model provides;
Fig. 4 is the stereogram of the cyclone back segment in Fig. 2.
Corresponding relation wherein in Fig. 1 to Fig. 4 between Reference numeral and component names is:
1 ', cyclone, 11 ', interior pipe, 111 ', center fuel passage, 12 ', outer tube, 13 ', swirl vane, 1311 ', branch road fuel channel, 1312 ', fuel orifice, 1, cyclone, 11, interior pipe, 111, center fuel passage, 112, groove, 12, outer tube, 121, installing hole, 13, swirl vane, 131, swirl vane leading portion, 1311, branch road fuel channel, 1312, fuel orifice, 132, swirl vane back segment, 2, nozzle, 21, nozzle mounting flange, 22, cartridge, 23, centerbody.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
As shown in Figure 2, the utility model provides a kind of cyclone 1, comprise interior pipe 11, outer tube 12 and swirl vane 13, described swirl vane 13 comprises swirl vane leading portion 131 and swirl vane back segment 132, described swirl vane back segment 132 is between described interior pipe 11 and described outer tube 12, and be fixedly connected with described outer tube 12 with described interior pipe 11, described swirl vane leading portion 131 is removably mounted between described interior pipe 11 and described outer tube 12, center fuel passage 111 is provided with in described interior pipe 11, described swirl vane leading portion 131 is provided with branch road fuel channel 1311 and fuel orifice 1312, described center fuel passage 111, be connected between described branch road fuel channel 1311 and described fuel orifice 1312, thus form complete fuel feed passage, to on nozzle 2 fuel distribute regulate time, flow test can be carried out to single swirl vane leading portion 131, purpose of design is met to guarantee that fuel distributes, because swirl vane leading portion 131 can carry out flow test separately, can the position of fuel orifice 1312 on fuel metering swirl vane leading portion 131 easily, quantity and size, reduce the cost of testpieces and shorten the flow test cycle, simultaneously, before on installation swirl vane leading portion 131 to cyclone 1, the branch road fuel channel 1311 of swirl vane leading portion 131 and multiple fuel orifice 1312 can be bored or process, more simple and convenient to the processing of fuel orifice 1312, the manufacturing cost of cyclone 1 can be reduced.After the circulation area of nozzle 2 and eddy flow angle design complete, interior pipe 11, outer tube 12 and swirl vane back segment 132 will no longer change, and therefore this three part can adopt the method for monoblock cast or welding to make an entirety, no longer change in the process tested or run.
As shown in Figure 2 and Figure 4, described outer tube 12 is provided with installing hole, described interior pipe 11 is provided with groove 112, described swirl vane leading portion 131 matches with described groove 112 and described installing hole, described installing hole and described groove 112 play location and spacing effect to described swirl vane 13 simultaneously, the position of matching with described interior pipe 11 and described outer tube 12 at described swirl vane 13 is coated solder and heats, make swirl vane leading portion 131 and pass through brazing between interior pipe 11 and outer tube 12, the solder fusing point used due to soldering is lower, swirl vane back segment 132 can be dismantled easily by the method for heating, thus can the position of quick-replaceable fuel orifice 1312, quantity and the swirl vane leading portion 131 varied in size.
Certainly, swirl vane leading portion 131 and removably connecting between interior pipe 11 and outer tube 12 also can be other connected modes; as clamping etc.; can realize the object of the application, its aim does not depart from design philosophy of the present utility model, should belong to the protection domain of the application yet.
Preferably, as shown in Figure 4, described swirl vane leading portion 131 is in tabular, described branch road fuel channel 1311 should be arranged along the length direction of described swirl vane leading portion 131, described branch road fuel channel 1311 is evenly equipped with multiple fuel orifice 1312, and described fuel orifice 1312 is manhole; Certain described fuel orifice 1312 is not limited to circular hole, also can be the hole of other shape, as rectangular opening, tri-angle-holed or erose hole; Because swirl vane leading portion 131 is independently parts, fuel orifice 1312 is located than easier in cast-in-block swirl vane 13 and process, and can reach by relatively simple technique the precision met the demands.In test or the process run, the area with various geometric branch road fuel channel 1311 can be replaced as required, the swirl vane leading portion 131 of the position of fuel orifice 1312, quantity and size, instead of change whole fuel nozzle 2.Thus, reach the object reducing costs and shorten nozzle 2 manufacturing cycle.
Meanwhile, in order to ensure various geometric swirl vane leading portion 131 between interchangeability, swirl vane leading portion 131 eddy flow angle is 0 degree.Like this, when changing swirl vane leading portion 131, the interface of itself and miscellaneous part can not change.
Show through experiment, when swirl vane leading portion 131 accounts for 10% ~ 50% of whole cyclone 1 length of blade, the aeroperformance of swirl vane 13 is better.
As shown in Figure 3, the utility model additionally provides a kind of gas-turbine combustion chamber nozzle 2, and this nozzle 2 comprises nozzle mounting flange 21, cartridge 22, centerbody 23 and the cyclone described in above-mentioned any embodiment 1.Fuel is entered by nozzle mounting flange 21, the center fuel passage 111 flowed through inside the fuel channel in cartridge 22, cyclone 1 arrives fuel orifice 1312 in conjunction with the branch road fuel channel 1311 on swirl vane leading portion 131, mix with the air from cyclone 1 upstream after ejection, form Fuel-air pre-mixed gas.In the process that nozzle 2 designs, Fuel-air mixed performance is the important indicator weighing nozzle 2 design, in order to realize good mixed performance, often need the aperture and the position that repeatedly adjust fuel orifice 1312, in adjustment process, only need to replace different swirl vane leading portion 131 on cyclone 1 can complete adjustment to the quantity to fuel orifice 1312, size and position, do not need to change whole cyclone 1, the manufacturing cycle shortening nozzle 2 also saves manufacturing cost simultaneously.
In sum, the utility model provides a kind of cyclone, comprise interior pipe, outer tube and swirl vane, described swirl vane comprises swirl vane leading portion and swirl vane back segment, described swirl vane back segment is between described interior pipe and described outer tube, and be fixedly connected with described outer tube with described interior pipe, described swirl vane leading portion is removably mounted between described interior pipe and described outer tube, center fuel passage is provided with in described interior pipe, described swirl vane leading portion is provided with branch road fuel channel and fuel orifice, described center fuel passage, be connected between described branch road fuel channel and described fuel orifice, thus form complete fuel feed passage, to on nozzle fuel distribute regulate time, flow test can be carried out to single swirl vane leading portion, purpose of design is met to guarantee that fuel distributes, because swirl vane leading portion can carry out flow test separately, can the position of fuel orifice on fuel metering swirl vane leading portion easily, quantity and size, reduce the cost of testpieces and shorten the flow test cycle, simultaneously, before on installation swirl vane leading portion to cyclone, the branch road fuel channel of swirl vane leading portion and multiple fuel orifice can be bored or process, more simple and convenient to the processing of fuel orifice, the manufacturing cost of cyclone can be reduced.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a cyclone, comprise interior pipe (11), outer tube (12) and swirl vane (13), it is characterized in that: described swirl vane (13) comprises swirl vane leading portion (131) and swirl vane back segment (132), described swirl vane back segment (132) is positioned between described pipe (11) and described outer tube (12), and be fixedly connected with described outer tube (12) with described interior pipe (11), described swirl vane leading portion (131) is removably mounted between described interior pipe (11) and described outer tube (12), center fuel passage (111) is provided with in described interior pipe (11), described swirl vane leading portion (131) is provided with branch road fuel channel (1311) and fuel orifice (1312), described center fuel passage (111), be connected between described branch road fuel channel (1311) and described fuel orifice (1312).
2. cyclone according to claim 1, is characterized in that: described outer tube (12) is provided with installing hole (121), and described swirl vane leading portion (131) is matched with described installing hole (121).
3. cyclone according to claim 1, is characterized in that: described interior pipe (11) is provided with groove (112), and described swirl vane leading portion (131) is matched with described groove (112).
4. the cyclone according to Claims 2 or 3, is characterized in that: described swirl vane leading portion (131) and pass through brazing between described interior pipe (11) and described outer tube (12).
5. cyclone according to claim 1, is characterized in that: the eddy flow angle of described swirl vane leading portion (131) is 0 degree.
6. cyclone according to claim 1, is characterized in that: described swirl vane leading portion (131) accounts for the 10%-50% of whole swirl vane (13) length.
7. cyclone according to claim 1, is characterized in that: described interior pipe (11), described outer tube (12) and described swirl vane leading portion (131) integrally casting are shaping.
8. cyclone according to claim 1, it is characterized in that: described swirl vane leading portion (131) is in tabular, described branch road fuel channel (1311) should be arranged along the length direction of described swirl vane leading portion (131), and described branch road fuel channel (1311) is evenly equipped with multiple fuel orifice (1312).
9. cyclone according to claim 8, is characterized in that: described fuel orifice (1312) is manhole.
10. a gas-turbine combustion chamber nozzle, is characterized in that: include cyclone as claimed in any one of claims 1-9 wherein.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420815776.4U CN204438190U (en) | 2014-12-19 | 2014-12-19 | A kind of cyclone and use the gas-turbine combustion chamber nozzle of this cyclone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420815776.4U CN204438190U (en) | 2014-12-19 | 2014-12-19 | A kind of cyclone and use the gas-turbine combustion chamber nozzle of this cyclone |
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| CN204438190U true CN204438190U (en) | 2015-07-01 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109954475A (en) * | 2017-12-25 | 2019-07-02 | 中核建中核燃料元件有限公司 | A kind of dry process UO2Nozzle during powder technology |
| CN110440288A (en) * | 2019-07-26 | 2019-11-12 | 中国航发沈阳发动机研究所 | It is a kind of for premixing the inlet duct of fuel gas |
| CN110857782A (en) * | 2018-08-23 | 2020-03-03 | 斗山重工业建设有限公司 | Combustor of gas turbine |
| CN112809116A (en) * | 2021-02-22 | 2021-05-18 | 中建材中研益科技有限公司 | Welding method for cement combustor swirl vanes |
| CN114923200A (en) * | 2022-06-22 | 2022-08-19 | 西北工业大学 | Multi-parameter combined two-stage axial swirler |
-
2014
- 2014-12-19 CN CN201420815776.4U patent/CN204438190U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109954475A (en) * | 2017-12-25 | 2019-07-02 | 中核建中核燃料元件有限公司 | A kind of dry process UO2Nozzle during powder technology |
| CN110857782A (en) * | 2018-08-23 | 2020-03-03 | 斗山重工业建设有限公司 | Combustor of gas turbine |
| CN110857782B (en) * | 2018-08-23 | 2021-07-09 | 斗山重工业建设有限公司 | Combustor of gas turbine |
| CN110440288A (en) * | 2019-07-26 | 2019-11-12 | 中国航发沈阳发动机研究所 | It is a kind of for premixing the inlet duct of fuel gas |
| CN112809116A (en) * | 2021-02-22 | 2021-05-18 | 中建材中研益科技有限公司 | Welding method for cement combustor swirl vanes |
| CN114923200A (en) * | 2022-06-22 | 2022-08-19 | 西北工业大学 | Multi-parameter combined two-stage axial swirler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Hydrocyclone and gas turbine combustion chamber nozzle using same Effective date of registration: 20161104 Granted publication date: 20150701 Pledgee: Tsinghua Holdings Co., Ltd. Pledgor: Beijing Huatsing Gas Turbine & IGCC Technology Co., Ltd. Registration number: 2016990000853 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191211 Granted publication date: 20150701 Pledgee: Tsinghua Holdings Co., Ltd. Pledgor: Beijing Huatsing Gas Turbine & IGCC Technology Co., Ltd. Registration number: 2016990000853 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191224 Address after: 102209 Beijing Changping District in the future of the national electric investment group Park in the future science city south of Beijing Patentee after: China United heavy-duty gas turbine technology Co., Ltd. Address before: 100084, Beijing, Haidian District science and Technology Park, Tsinghua Science and technology building, block C, 10 Patentee before: Beijing Huatsing Gas Turbine & IGCC Technology Co., Ltd. |