CN107576502B - A kind of turbocharger test platform combustion chamber with mixing section - Google Patents
A kind of turbocharger test platform combustion chamber with mixing section Download PDFInfo
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- CN107576502B CN107576502B CN201710682233.8A CN201710682233A CN107576502B CN 107576502 B CN107576502 B CN 107576502B CN 201710682233 A CN201710682233 A CN 201710682233A CN 107576502 B CN107576502 B CN 107576502B
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- mixing section
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- inner liner
- combustion chamber
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Abstract
The present invention provides a kind of turbocharger test platform combustion chamber with mixing section, including burner inner liner, the tail portion of burner inner liner is installed by flame drum flange, outer cover picks casket cylinder, casing cylinder both ends are connected to flame drum flange and forward flange, and it is equipped with nozzle and fire rod, fire rod extends in burner inner liner, the spray head of nozzle is fixed on flame tube head, flame drum flange and rear flange axial restraint mixer, mixer radially fix by mixed section inner cylinder, and mixing section outer cylinder is equipped with outside mixing section inner cylinder, and the side of mixing section outer cylinder is equipped with gas supplementing opening.Turbocharger test platform combustion chamber of the present invention with mixing section, increase mixing section in combustor exit, cold air is introduced in mixing section, the adjustable range of combustor exit temperature is widened, so that the temperature and flow degree of regulation of combustor exit combustion gas are high, it ensure that the revolving speed of turbocharger during testing is steady.
Description
Technical field
The invention belongs to field of electromechanical technology, burn more particularly, to a kind of turbocharger test platform with mixing section
Room.
Background technique
In the R&D process of turbocharger, need to carry out Capability of Compressor test, turbine circulation attribute testing, turbine effect
The test such as rate.During test, strict control turbo charger speed is needed, if the fluctuation of speed of booster is larger, test
As a result larger with regard to error.Conventional turbocharger test rack uses can burner, due to shadows such as oil-gas ratio, efficiencies of combustion
The factor of sound, combustion chamber efficiency of combustion under off-design behaviour is low, and the fuel gas temperature and gas flow of combustor exit are unstable, this
The fluctuation of speed for resulting in turbocharger during testing is larger.
Summary of the invention
In view of this, the present invention is directed to propose a kind of turbocharger test platform combustion chamber with mixing section, existing to solve
Have the bad control of oil-gas ratio of turbocharger test platform combustion chamber, efficiency of combustion is low, the fuel gas temperature of combustor exit and
The unstable problem of gas flow.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of turbocharger test platform combustion chamber with mixing section, including forward flange, nozzle, fire rod, burner inner liner, machine
Flame drum flange is fixedly mounted in the tail portion of casket cylinder, mixing section outer cylinder, mixing section inner cylinder, mixer and rear flange, the burner inner liner,
The casing cylinder is installed between the flame drum flange and the forward flange, the casing cylinder is socketed in outside the burner inner liner,
One end of the nozzle, the fire rod is respectively fixedly connected on the casing cylinder, the other end of the fire rod extends to institute
It states inside burner inner liner, the other end of the nozzle is fixed on the head of the burner inner liner, the flame drum flange and the rear method
Orchid is by the mixer axial restraint, and the radial direction of the mixer is fixed by the mixing section inner cylinder, on the mixing section inner cylinder
Equipped with several through-holes, the both ends of the mixing section inner cylinder are respectively connected to the flame drum flange and the rear flange, the fire
The mixing section outer cylinder, the mixing section outer cylinder and the mixing section inner cylinder are fixedly mounted between flame drum flange and the rear flange
Between form toroidal cavity, the side of the mixing section outer cylinder is equipped with gas supplementing opening.
Further, the mixer is rotary table frame structure, and the taper of the rotary table frame structure is 10 ° -20 °, institute
State uniformly distributed several lobes on the outer wall of rotary table frame structure, uniformly distributed several connectors on inner wall, the both ends difference of the connector
It is connected at the center of two adjacent lobes, the lobe is class trigonal pyramidal structure.
Further, the burner inner liner is ampuliform structure, and the flame drum tail is open equipped with annulus, is set at head center
There is circular hole, the spray head of the nozzle is protruded into inside the burner inner liner by the circular hole, if the inner wall of the burner inner liner is equipped with
Dry aperture.
Further, pass through pull rod between the forward flange and the rear flange and be bolted.
Further, the forward flange and the rear flange are double flange straight tubes.
Further, the quantity of the through-hole is 8, internal diameter 15mm.
Compared with the existing technology, the turbocharger test platform combustion chamber of the present invention with mixing section has following excellent
Gesture:
(1) the turbocharger test platform combustion chamber of the present invention with mixing section increases in combustor exit and mixes
Section, makes combustion chamber be able to maintain higher efficiency of combustion；Cold air is introduced in mixing section, cold air is abundant with high-temperature fuel gas
Mixing, has widened the adjustable range of combustor exit temperature, so that the temperature of combustor exit combustion gas and flow degree of regulation are high,
It ensure that the revolving speed of turbocharger during testing is steady.
(2) the turbocharger test platform combustion chamber of the present invention with mixing section, structure is simple, is not easily formed product
Carbon, easy to assembly, convenient to overhaul and maintenance.
(3) the turbocharger test platform combustion chamber of the present invention with mixing section, the mixer and mixing section of setting
The structure of inner cylinder is conducive to the mixing of hot and cold air in combustion chamber, and combustion chamber fuel gas temperature and gas flow is effectively ensured
Stability, to guarantee burn indoor oil-gas ratio and efficiency of combustion.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the diagrammatic cross-section of chamber structure described in the embodiment of the present invention；
Fig. 2 is the diagrammatic cross-section of mixer described in the embodiment of the present invention；
Fig. 3 is the A of mixer described in the embodiment of the present invention to schematic diagram；
Fig. 4 is the B of mixer described in the embodiment of the present invention to schematic diagram；
Fig. 5 is mixing section inner cylinder sectional view described in the embodiment of the present invention；
Fig. 6 is mixing section inner cylinder C schematic cross-section described in the embodiment of the present invention.
Description of symbols:
1- forward flange；2- bolt；3- nozzle；4- pull rod；5- fire rod；6- burner inner liner；7- casing cylinder；8- burner inner liner method
It is blue；9- gas supplementing opening；10- mixing section outer cylinder；11- mixing section inner cylinder；111- through-hole；12- mixer；121- lobe；122- connection
Body；13- rear flange.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as " head ", " tail " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
It states the present invention and simplifies description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention.In the description of the present invention, it should be noted that
Unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " shall be understood in a broad sense.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of turbocharger test platform combustion chamber with mixing section, as shown in Figures 1 to 6, including forward flange 1, nozzle
3, fire rod 5, burner inner liner 6, casing cylinder 7, mixing section outer cylinder 10, mixing section inner cylinder 11, mixer 12 and rear flange 13, the fire
Flame drum flange 8 is fixedly mounted in the tail portion of flame cylinder 6, and the casing cylinder is installed between the flame drum flange 8 and the forward flange 1
7, the casing cylinder 7 is socketed in outside the burner inner liner 6, and the nozzle 3, the point are respectively fixedly connected on the casing cylinder 7
One end of lighted torch 5, the other end of the fire rod 5 extend to inside the burner inner liner 6, and the other end of the nozzle 3 is fixed on
The head of the burner inner liner 6, the flame drum flange 8 and the rear flange 13 are described mixed by 12 axial restraint of mixer
The radial of clutch 12 is fixed by the mixing section inner cylinder 11, and the mixing section inner cylinder 11 is equipped with several through-holes 111, and cold air can
To be entered in mixer 12 by through-hole 111；The both ends of the mixing section inner cylinder 11 are respectively connected to 8 He of flame drum flange
The mixing section outer cylinder 10 is fixedly mounted in the rear flange 13 between the flame drum flange 8 and the rear flange 13, described mixed
It closes and forms toroidal cavity between section outer cylinder 10 and the mixing section inner cylinder 11, the side of the mixing section outer cylinder 10 is equipped with gas supplementing opening
9, for introducing cold air, cold air and high-temperature fuel gas are sufficiently mixed, widened combustor exit temperature adjustable range, so that
The temperature and flow degree of regulation of combustor exit combustion gas are high, ensure that the revolving speed of turbocharger during testing is steady, and
And this combustion chamber is not easy carbon distribution.
The mixer 12 is rotary table frame structure, and the inlet diameter of rotary table frame structure is 226mm, exports protrusion most
Major diameter is 270mm, and the taper of the rotary table frame structure is 17 °, the turbocharger test with this dimensional hybrids section
Total range of flow of platform combustion chamber is substantially between 0-1.8kg/s, and under the size, chamber structure is optimal；The rotary table
Several lobes 121, uniformly distributed several connectors 122 on inner wall, the both ends point of the connector 122 are evenly distributed on the outer wall of frame structure
It is not connected at the center of the lobe 121 of adjacent two, the lobe 121 is class trigonal pyramidal structure, is conducive to burn
The mixing of room hot and cold air.
The burner inner liner 6 is ampuliform structure, and 6 tail portion of burner inner liner is open equipped with annulus, and circular hole is equipped at head center,
The spray head of the nozzle 3 is protruded into inside the burner inner liner 6 by the circular hole, and the inner wall of the burner inner liner 6 is equipped with several small
Hole.
It is connected between the forward flange 1 and the rear flange 13 by pull rod 4 and bolt 2, convenient for assembly and maintenance.
The forward flange 1 and the rear flange 13 are double flange straight tubes, easy to assembly, while conveniently being connected with external device
It connects.
The quantity of the through-hole 111 is 8, and internal diameter 15mm is conducive to the mixing of combustion chamber hot and cold air.
A kind of working principle of the turbocharger test platform combustion chamber with mixing section are as follows:
When combustion chamber operational, compressed air enters from forward flange 1, and fuel oil sprays into burner inner liner 6 from the spray head of nozzle 3,
After fire rod 5 is lighted a fire, fuel oil heats air in burner inner liner 6；In addition pass through all the way without the compressed air of heating
The entrance mixer 12 of through-hole 111 of gas supplementing opening 9, mixing section inner cylinder 11.In mixer 12, high-temperature fuel gas and cold air are sufficiently mixed
It closes, enters through the outflow of rear flange 13 by the turbine of testpieces.It is empty into compression in forward flange 1 and gas supplementing opening 9 by adjusting simultaneously
The flow of gas can control the temperature of the combustion gas by rear flange 13.During test, the fuel oil into nozzle 3 needs basis
Compressed air require into forward flange 1 is adjusted immediately, to keep oil-gas ratio appropriate.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of turbocharger test platform combustion chamber with mixing section, it is characterised in that: including forward flange (1), nozzle (3),
Fire rod (5), burner inner liner (6), casing cylinder (7), mixing section outer cylinder (10), mixing section inner cylinder (11), mixer (12) He Houfa
Blue (13),
Flame drum flange (8) are fixedly mounted in the tail portion of the burner inner liner (6), the flame drum flange (8) and the forward flange (1)
Between the casing cylinder (7) is installed, it is external that the casing cylinder (7) is socketed in the burner inner liner (6), on the casing cylinder (7) point
It is not fixedly connected with one end of the nozzle (3), the fire rod (5), the other end of the fire rod (5) extends to the flame
Cylinder (6) is internal, and the other end of the nozzle (3) is fixed on the head of the burner inner liner (6),
The flame drum flange (8) and the rear flange (13) are by the mixer (12) axial restraint, the mixer (12)
It is radial fixed by the mixing section inner cylinder (11), the mixing section inner cylinder (11) is equipped with several through-holes (111), the mixing
The both ends of section inner cylinder (11) are respectively connected to the flame drum flange (8) and the rear flange (13), the flame drum flange (8)
The mixing section outer cylinder (10), the mixing section outer cylinder (10) and the mixing section are fixedly mounted between the rear flange (13)
Toroidal cavity is formed between inner cylinder (11), the side of the mixing section outer cylinder (10) is equipped with gas supplementing opening (9),
The mixer (12) is rotary table frame structure, and the taper of the rotary table frame structure is 10 ° -20 °, the rotary table frame
Several lobes (121), uniformly distributed several connectors (122) on inner wall, the both ends of the connector (122) are evenly distributed on the outer wall of structure
It is respectively connected at the center of the lobe (121) of adjacent two, the lobe (121) is class trigonal pyramidal structure；
The burner inner liner (6) is ampuliform structure, and burner inner liner (6) tail portion is open equipped with annulus, and circular hole is equipped at head center,
The spray head of the nozzle (3) protrudes into the burner inner liner (6) inside by the circular hole, and the inner wall of the burner inner liner (6) is equipped with
Several apertures.
2. a kind of turbocharger test platform combustion chamber with mixing section according to claim 1, it is characterised in that: described
It is connected between forward flange (1) and the rear flange (13) by pull rod (4) and bolt (2).
3. a kind of turbocharger test platform combustion chamber with mixing section according to claim 1, it is characterised in that: described
Forward flange (1) and the rear flange (13) are double flange straight tubes.
4. a kind of turbocharger test platform combustion chamber with mixing section according to claim 1, it is characterised in that: described
The quantity of through-hole (111) is 8, internal diameter 15mm.
Priority Applications (1)
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| CN201710682233.8A CN107576502B (en) | 2017-08-10 | 2017-08-10 | A kind of turbocharger test platform combustion chamber with mixing section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710682233.8A CN107576502B (en) | 2017-08-10 | 2017-08-10 | A kind of turbocharger test platform combustion chamber with mixing section |
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| CN107576502A CN107576502A (en) | 2018-01-12 |
| CN107576502B true CN107576502B (en) | 2019-11-12 |
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| CN108826356B (en) * | 2018-04-10 | 2020-05-08 | 中国北方发动机研究所(天津) | Combustion chamber for fuel cell turbine composite simulation test |
| CN109827779A (en) * | 2019-03-26 | 2019-05-31 | 杭州汽轮动力集团有限公司 | A kind of multifunctional modular test bench for gas turbine |
| CN112051069B (en) * | 2019-06-05 | 2022-12-23 | 中国航发商用航空发动机有限责任公司 | Gas turbine test bench |
| CN110849628A (en) * | 2019-10-14 | 2020-02-28 | 中国北方发动机研究所(天津) | Combustion chamber of adjustable flame tube of turbocharger test bed |
| CN111023154A (en) * | 2019-12-31 | 2020-04-17 | 新奥能源动力科技（上海）有限公司 | Fuel nozzle and combustion chamber |
| CN114233412B (en) * | 2021-11-12 | 2023-10-20 | 中国航发南方工业有限公司 | Auxiliary installation device and installation method for assembling flame tube inner body and turbine guider |
| CN114353120B (en) * | 2021-12-17 | 2023-04-25 | 中国北方发动机研究所(天津) | Undulating surface diversion type combustion chamber suitable for multi-aperture nozzle |
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| CN107576502A (en) | 2018-01-12 |
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