CN113294810B - Nozzle flange for preventing foreign matters and combustion chamber - Google Patents
Nozzle flange for preventing foreign matters and combustion chamber Download PDFInfo
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- CN113294810B CN113294810B CN202110610778.4A CN202110610778A CN113294810B CN 113294810 B CN113294810 B CN 113294810B CN 202110610778 A CN202110610778 A CN 202110610778A CN 113294810 B CN113294810 B CN 113294810B
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- filter screen
- nozzle
- nozzle flange
- fuel
- orifice plate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pressure-Spray And Ultrasonic-Wave- Spray Burners (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The application discloses prevent nozzle flange and combustion chamber of foreign matter, wherein the nozzle flange is including setting up filter screen, orifice plate and the fixed part in nozzle flange inside, and the filter screen is used for filtering the foreign matter that gets into the nozzle flange, and the orifice plate sets up in filter screen low reaches, and is coaxial with the filter screen, and the fixed part is used for compressing tightly fixedly filter screen and orifice plate. The utility model provides a prevent nozzle flange of foreign matter prevents the foreign matter structure through setting up on nozzle flange, prevents to remain the foreign matter and blocks up the fuel orifice and cause the fuel efflux inhomogeneous, simultaneously, cooperates the throttling assembly, adjusts fuel passageway effective area, reduces the difference of fuel flow between each nozzle.
Description
Technical Field
The application relates to the field of gas turbines, in particular to a nozzle flange for preventing foreign matters and a combustion chamber.
Background
The main structure of the gas turbine consists of five parts, namely a gas compressor, a combustion chamber, a turbine, a rotor, a cylinder and the like, wherein the combustion chamber is positioned between the gas compressor and the turbine, and the combustion chamber mainly has the function of effectively combusting fuel and compressed air conveyed by the gas compressor in the combustion chamber to form high-temperature gas as a working medium of the turbine. The combustion chamber releases chemical energy from the fuel under nearly isobaric conditions, converting it into thermal energy of high-temperature gas, and preparing conditions for its expansion in the turbine.
Fuel enters the end cover of the combustion chamber through fuel pipelines such as a fuel ring pipe, a manifold, a hose and the like, and is supplied to each stage of nozzle through different fuel paths inside the end cover, and the nozzle is a core component of the combustion chamber. Fuel is injected through fuel injection holes in the nozzle and premixed with air in the premixing passage.
In the processing and manufacturing process of the fuel pipeline and the end cover, the residual foreign matters in the fuel channel can block the fuel spray holes to cause the nonuniformity of fuel jet flow, thereby causing the nonuniformity of the equivalence ratio of the outlet of the premixing channel of each nozzle and influencing the combustion performance of the whole combustion chamber. In addition, once foreign matters block the fuel channel and the fuel spray holes, the cleaning process is very difficult due to the small diameter of the spray holes, and if the foreign matters are blocked seriously, the structure of the fuel spray holes can be damaged in the cleaning process.
Disclosure of Invention
In order to solve the problems, the application provides a nozzle flange for preventing foreign matters and a combustion chamber.
Therefore, a first objective of the present application is to provide a nozzle flange for preventing foreign matters, which prevents fuel injection holes from being blocked, and simultaneously, cooperates with a throttling assembly to adjust the effective area of a fuel passage, so as to reduce the difference of fuel flow among nozzles.
A second object of the present application is to propose a combustion chamber.
In order to achieve the above object, the present application provides a nozzle flange for preventing foreign matters, comprising a filter screen, a throttle orifice plate and a fixing component arranged inside the nozzle flange,
the filter screen is used for filtering foreign matters entering the nozzle flange;
the throttling orifice plate is arranged at the downstream of the filter screen and is coaxial with the filter screen;
the fixing component is used for compressing and fixing the filter screen and the throttling orifice plate.
Optionally, a first clamping plate is further arranged at the upstream of the filter screen,
the fixing component compresses and fixes the first clamping plate, the filter screen and the throttling pore plate.
Optionally, a second clamping plate is further arranged between the filter screen and the orifice plate,
the fixing component compresses and fixes the filter screen, the second clamping plate and the throttling pore plate.
Optionally, a first clamping plate is arranged at the upstream of the filter screen, a second clamping plate is arranged between the filter screen and the orifice plate,
the fixing component compresses and fixes the first clamping plate, the filter screen, the second clamping plate and the throttle orifice plate.
Optionally, the orifice plate is annular, and a plurality of holes are distributed on the annular.
Optionally, the fixing part is a screw, the filter screen and the orifice plate are provided with fixing through holes at preset positions, and the screw penetrates through the fixing through holes to fix the filter screen and the orifice plate.
Optionally, the filter screen is at least one layer.
The utility model provides a prevent foreign matter nozzle flange can prevent that gas turbine combustion chamber fuel nozzle from blockking up, ensures that the fuel supply is unobstructed, cooperates throttling assembly in addition, adjustment fuel passage effective area to reduce the difference of fuel flow between each nozzle, ensure that combustion chamber equivalence ratio distribution accords with the design requirement.
To achieve the above object, the present application proposes a combustion chamber comprising a nozzle flange according to the embodiment of the above aspect arranged inside the combustion chamber.
Optionally, the combustor further comprises an end cover fuel outlet and a nozzle fuel inlet disposed therein.
Optionally, the end cover fuel outlet is disposed upstream of the nozzle flange;
the nozzle fuel inlet is arranged at the downstream of the nozzle flange, and the nozzle fuel inlets are a plurality of and are in one-to-one correspondence with the holes in the throttling orifice plate in the nozzle flange.
The utility model provides a combustor through set up the nozzle flange of preventing the foreign matter at nozzle fuel entry, can prevent that gas turbine combustor fuel nozzle from blockking up, ensures that the fuel supply is unobstructed, cooperates the throttling assembly in addition, adjusts fuel passage effective area to reduce the difference of fuel flow between each nozzle, ensure that the combustor equivalence ratio distribution accords with the designing requirement.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
FIG. 1 is a schematic structural view of a nozzle flange according to embodiment 1 of the present application;
FIG. 2 is a schematic structural view of a nozzle flange according to embodiment 2 of the present application;
FIG. 3 is a schematic structural view of a nozzle flange according to embodiment 3 of the present application;
FIG. 4 is a first schematic structural view of a nozzle flange according to embodiment 4 of the present application;
FIG. 5 is a second schematic structural view of a nozzle flange according to embodiment 4 of the present application;
FIG. 6 is a schematic view of a combustor configuration according to an embodiment of the subject application.
Detailed Description
Example 1
As shown in fig. 1, the nozzle flange for preventing foreign substances includes a filter net 1, a throttle plate 2, and a fixing member 3 provided inside the nozzle flange.
Specifically, the filter screen 1 is used for filtering foreign matters entering the nozzle flange, the filter screen 1 is of an annular structure, the nozzle flange is at least provided with one layer of filter screen 1, the mesh number and the wire diameter of the filter screen are not limited, and the filter screen can be selected according to the diameter of a fuel spray hole. In one embodiment of this application the nozzle flange is provided with a layer of filter mesh 1.
The orifice plate 2 is arranged at the downstream of the filter screen 1 and is coaxial with the filter screen 1, the orifice plate 2 is of an annular structure, a plurality of hole-shaped structures 21 are arranged on the orifice plate 2, the positions of the hole-shaped structures 21 correspond to the fuel inlet holes of the nozzle flange one by one, in addition, the hole diameters of the hole-shaped structures 21 on the orifice plate 2 are not limited, and can be changed according to the proportion of the effective area of a fuel channel to the effective area of a fuel spray hole, so that the fuel flow consistency of each nozzle is met.
The fixing component 3 is used for compressing and fixing the filter screen 1 and the orifice plate 2. In one embodiment of this application, the fixing part 3 is a screw, and the filter screen 1 and the orifice plate 2 are respectively provided with at least one fixing through-hole 30, respectively a fixing through-hole 31 and a fixing through-hole 32. The bolt 3 passes through the fixing through hole 31 and the fixing through hole 32 to fix the filter screen 1 and the orifice plate 2. Wherein, the nozzle flange can be equipped with two screws, and filter screen 1 is equipped with two fixed perforation 31, and orifice plate 2 is equipped with two fixed perforation 32, and fixed perforation is the screw hole, and two screw cooperation nozzle flange's screw hole will prevent that foreign matter nozzle flange structure compresses tightly installs in nozzle fuel passageway upper reaches to do not produce with the end cover structure and interfere. The nozzle flange structure for preventing foreign matters is suitable for filter screens with different thicknesses and wire diameters by adopting screw fixation and convenient adjustment.
When fuel in the fuel channel flows through the nozzle flange for preventing foreign matters, the residual foreign matters in the fuel channel are blocked at one side of the filter screen 1, and the fuel passes through the filter screen 1, passes through the hole-shaped structure 21 on the throttle orifice 2 and finally enters the nozzle fuel inlet hole. Through set up on the nozzle flange and prevent the foreign matter structure, prevent that gas turbine combustion chamber fuel nozzle from blockking up, ensure that fuel supply is unobstructed, cooperate throttling assembly in addition, adjustment fuel passage effective area to reduce the difference of fuel flow between each nozzle, ensure that combustion chamber equivalence ratio distribution accords with the design requirement.
Example 2
As shown in fig. 2, the nozzle flange for preventing foreign substances includes a first clamping plate 4, a filter net 1, a throttle plate 2, and a fixing member 3, which are provided inside the nozzle flange. In one embodiment of the application, the first clamping plate 4, the filter screen 1 and the orifice plate 2 are coaxially arranged in sequence.
Wherein, first splint 4 sets up in the upper reaches of filter screen 1, and first splint 4 is the loop configuration, is equipped with hollow out construction 41 corresponding with the filter part 11 of filter screen 1 on the first splint. Through setting up first splint at the nozzle flange, fix a position the filter screen, improve the operation convenience that dismouting such as filter screen washing, replacement maintained.
The filter screen 1 is used for filtering the foreign matter that gets into the nozzle flange, and filter screen 1 is the loop configuration to the nozzle flange sets up one deck filter screen 1 at least, and filter screen mesh number and silk footpath are unlimited, can select according to fuel orifice diameter. In one embodiment of this application the nozzle flange is provided with a layer of filter mesh 1.
The throttle orifice plate 2 is arranged at the downstream of the filter screen 1, the throttle orifice plate 2 is of an annular structure, a plurality of hole-shaped structures 21 are arranged on the throttle orifice plate 2, the positions of the hole-shaped structures 21 correspond to the fuel inlet holes of the nozzle flanges one by one, in addition, the hole diameters of the hole-shaped structures 21 on the throttle orifice plate 2 are not limited, and can be changed according to the proportion of the effective area of a fuel channel to the effective area of fuel spray holes so as to meet the fuel flow consistency of each nozzle.
The fixing component 3 is used for compressing and fixing the first clamping plate 4, the filter screen 1 and the orifice plate 2. In one embodiment of this application, the fixing member 3 is a screw, and the first clamp plate 4, the filter mesh 1, and the orifice plate 2 are provided with at least one fixing through-hole 33, a fixing through-hole 31, and a fixing through-hole 32, respectively. The screws 3 sequentially penetrate through the fixing through holes 33, the fixing through holes 31 and the fixing through holes 32 to fix the first clamping plate 4, the filter screen 1 and the orifice plate 2. Wherein, the nozzle flange can be equipped with two screws, and first splint 4 is equipped with two fixed perforation 33, and filter screen 1 is equipped with two fixed perforation 31, and orifice plate 2 is equipped with two fixed perforation 32, and these fixed perforation are the screw hole, and the screw hole of two screw cooperation nozzle flanges will prevent that foreign matter nozzle flange structure compresses tightly installs in nozzle fuel passageway upper reaches to do not produce with the end cover structure and interfere. The nozzle flange structure for preventing foreign matters is suitable for filter screens with different thicknesses and wire diameters by adopting screw fixation and convenient adjustment.
When the fuel in the fuel channel flows through the nozzle flange, the fuel enters the filter screen 1 through the hollow structure 41 of the first clamping plate 4, the residual foreign matters in the fuel are blocked at one side of the filter screen 1, and then the fuel enters the nozzle fuel inlet hole through the hole-shaped structure 21 on the throttle orifice plate 2. Through set up on the nozzle flange and prevent the foreign matter structure, prevent that gas turbine combustion chamber fuel nozzle from blockking up, ensure that fuel supply is unobstructed, cooperate throttling assembly in addition, adjustment fuel passage effective area to reduce the difference of fuel flow between each nozzle, ensure that combustion chamber equivalence ratio distribution accords with the design requirement.
Example 3
As shown in fig. 3, the nozzle flange for preventing foreign substances includes a filter net 1, a throttle plate 2, a second clamping plate 5, and a fixing member 3, which are provided inside the nozzle flange. In one embodiment of this application, the filter screen 1, the second clamping plate 5 and the orifice plate 2 are coaxially arranged in sequence.
The second clamping plate 5 is arranged at the downstream of the filter screen 1, the second clamping plate 5 is in an annular structure, and the second clamping plate 5 is provided with a hollow structure 51 corresponding to the filtering part 11 of the filter screen 1. Through set up the second splint at the nozzle flange, fix a position the filter screen, improve the operation convenience that dismouting such as filter screen washing, replacement maintained.
The filter screen 1 is used for filtering the foreign matter that gets into the nozzle flange, and filter screen 1 is the loop configuration to the nozzle flange sets up one deck filter screen 1 at least, and filter screen mesh number and silk footpath are unlimited, can select according to fuel orifice diameter. In one embodiment of this application the nozzle flange is provided with a layer of filter mesh 1.
The orifice plate 2 is arranged at the downstream of the second clamping plate 5, the orifice plate 2 is of an annular structure, a plurality of hole-shaped structures 21 are arranged on the orifice plate 2, the positions of the hole-shaped structures 21 correspond to the fuel inlet holes of the nozzle flanges one by one, in addition, the hole diameters of the hole-shaped structures 21 on the orifice plate 2 are not limited, and can be changed according to the proportion of the effective area of a fuel channel to the effective area of fuel spray holes so as to meet the fuel flow consistency of each nozzle.
The fixing component 3 is used for compressing and fixing the filter screen 1, the second clamping plate 5 and the orifice plate 2. In one embodiment of this application, the fixing member 3 is a screw, and the filter screen 1, the second clamping plate 5 and the orifice plate 2 are provided with at least one fixing through-hole 31, a fixing through-hole 34 and a fixing through-hole 32, respectively. The screws 3 pass through the fixing through holes 31, 34 and 32 to fix the filter screen 1, the second clamping plate 5 and the orifice plate 2. Wherein, the nozzle flange can be equipped with two screws, and filter screen 1 is equipped with two fixed perforation 31, and second splint 5 is equipped with two fixed perforation 34, and orifice plate 2 is equipped with two fixed perforation 32, and these fixed perforation are the screw hole, and the screw hole of two screw cooperation nozzle flanges will prevent that foreign matter nozzle flange structure compresses tightly installs in nozzle fuel passageway upper reaches to do not produce with the end cover structure and interfere. The nozzle flange structure for preventing foreign matters is suitable for filter screens with different thicknesses and wire diameters by adopting screw fixation and convenient adjustment.
When the fuel in the fuel passage flows through the nozzle flange for preventing foreign matters, the fuel passes through the filter screen 1, the residual foreign matters in the fuel are blocked at one side of the filter screen 1, and then the fuel passes through the hollow structures 51 on the second clamping plate 5 to enter the hole-shaped structures 21 on the throttle orifice plate 2 and finally enters the nozzle fuel inlet hole. Through set up on the nozzle flange and prevent the foreign matter structure, prevent that gas turbine combustion chamber fuel nozzle from blockking up, ensure that fuel supply is unobstructed, cooperate throttling assembly in addition, adjustment fuel passage effective area to reduce the difference of fuel flow between each nozzle, ensure that combustion chamber equivalence ratio distribution accords with the design requirement.
Example 4
As shown in fig. 4, the nozzle flange for preventing foreign substances includes a first clamping plate 4, a filter net 1, a second clamping plate 5, a throttle plate 2, and a fixing member 3 provided inside the nozzle flange. In one embodiment of this application, the first clamping plate 4, the filter screen 1, the second clamping plate 5 and the orifice plate 2 are coaxially arranged in sequence.
Wherein, first splint 5 sets up the upper reaches at filter screen 1, and second splint 5 sets up the low reaches at filter screen 1, and first splint 4 and second splint 5 all are the loop configuration, are equipped with hollow out construction 41 and the hollow out construction 51 that corresponds with the filter part 11 of filter screen 1 on first splint 4 and the second splint 5 respectively. Through setting up first splint and second splint at the nozzle flange, realize the better location to the filter screen, improve the operation convenience that dismouting such as filter screen washing, replacement were maintained.
The filter screen 1 is used for filtering the foreign matter that gets into the nozzle flange, and filter screen 1 is the loop configuration to the nozzle flange sets up one deck filter screen 1 at least, and filter screen mesh number and silk footpath are not restricted, can select according to fuel orifice diameter. In one embodiment of this application the nozzle flange is provided with a layer of filter mesh 1.
The orifice plate 2 is arranged at the downstream of the second clamping plate 5, the orifice plate 2 is of an annular structure, a plurality of hole-shaped structures 21 are arranged on the orifice plate 2, the positions of the hole-shaped structures 21 correspond to the fuel inlet holes of the nozzle flange one by one, in addition, the hole diameters of the hole-shaped structures 21 on the orifice plate 2 are not limited, and can be changed according to the proportion of the effective area of a fuel channel to the effective area of a fuel spray hole, so that the fuel flow consistency of each nozzle is met.
The fixing component 3 is used for compressing and fixing the first clamping plate 4, the filter screen 1, the second clamping plate 5 and the orifice plate 2. In one embodiment of this application, the fixing member 3 is a screw, and the first clamp plate 4, the filter screen 1, the second clamp plate 5, and the orifice plate 2 are provided with at least one fixing through-hole 33, a fixing through-hole 31, a fixing through-hole 34, and a fixing through-hole 32, respectively. The screws 3 sequentially pass through the fixing through holes 33, 31, 34 and 32 to fix the first clamp plate 4, the filter net 1, the second clamp plate 5 and the orifice plate 2. Wherein, the nozzle flange can be equipped with two screws, and first splint 4 is equipped with two fixed perforation 33, and filter screen 1 is equipped with two fixed perforation 31, and second splint 5 is equipped with two fixed perforation 34, and orifice plate 2 is equipped with two fixed perforation 32, and these fixed perforation are the screw hole, and the screw hole of two screw cooperation nozzle flanges will prevent foreign matter nozzle flange structure pressure tightly and install in nozzle fuel passageway upper reaches to do not produce with the end cover structure and interfere. The nozzle flange structure for preventing foreign matters is suitable for filter screens with different thicknesses and wire diameters by adopting screw fixation and convenient adjustment.
As shown in fig. 5, when fuel in the fuel passage flows through the nozzle flange 100 for preventing foreign matters, the fuel enters the filter screen 1 through the hollow structures 41 of the first clamping plate 4, the remaining foreign matters in the fuel are blocked at one side of the filter screen 1, and then the fuel passes through the hollow structures 51 of the second clamping plate 5 to enter the hole-shaped structures 21 of the orifice plate 2 and finally enters the nozzle fuel inlet hole. Through set up on the nozzle flange and prevent the foreign matter structure, prevent that gas turbine combustion chamber fuel nozzle from blockking up, ensure that fuel supply is unobstructed, cooperate throttling assembly in addition, adjustment fuel passage effective area to reduce the difference of fuel flow between each nozzle, ensure that combustion chamber equivalence ratio distribution accords with the design requirement.
The beneficial effect of this application does: through set up in the nozzle flange and prevent the foreign matter structure, can prevent that gas turbine combustion chamber fuel nozzle from blockking up, ensure that fuel supply is unobstructed, cooperate throttling assembly in addition, adjustment fuel passage effective area to reduce the difference of fuel flow between each nozzle, ensure that the combustion chamber equivalence ratio distribution accords with the design requirement.
In order to achieve the above object, the present application also proposes a combustion chamber.
The combustion chamber 200 includes the nozzle flange 100 of the previous aspect embodiment disposed therein.
As shown in FIG. 6, the combustor 200 also includes an end cover fuel outlet 201 and a nozzle fuel inlet 202 disposed therein.
In fig. 6, the hatched portion is a combustion chamber 200, an end cover fuel outlet 201 is provided upstream of the nozzle flange 100, a nozzle fuel inlet 202 is provided downstream of the nozzle flange 100, and the nozzle fuel inlets 202 are plural, one-to-one corresponding to the hole-like structures 21 on the orifice plate 2 in the nozzle flange 100. Fuel enters the end cover fuel outlet 201 from the fuel conduit and then enters the nozzle flange 100 for filtration, with the filtered fuel entering the nozzle fuel inlet 202.
The utility model provides a foreign matter structure is prevented in the design of nozzle flange to the combustion chamber, prevents that the fuel orifice from blockking up, simultaneously, cooperates the throttling assembly, adjusts fuel passage effective area, reduces the difference of fuel flow between each nozzle.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
It should be noted that in the description of the present specification, reference to the description of the term "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Claims (6)
1. A nozzle flange (100) for preventing foreign matters is applied to a combustion chamber and is characterized by comprising a filter screen (1), a throttle orifice plate (2) and a fixing part (3) which are arranged inside the nozzle flange (100),
the filter screen (1) is used for filtering foreign matters entering the nozzle flange (100);
the throttle orifice plate (2) is arranged at the downstream of the filter screen (1) and is coaxial with the filter screen (1);
the fixing part (3) is used for compressing and fixing the filter screen (1) and the orifice plate (2);
a first clamping plate (4) is arranged at the upstream of the filter screen (1), a second clamping plate (5) is arranged between the filter screen (1) and the orifice plate (2),
the fixing part (3) compresses and fixes the first clamping plate (4), the filter screen (1), the second clamping plate (5) and the orifice plate (2);
the filter screen (1) is provided with a filtering part (11), and the first clamping plate (4) and the second clamping plate (5) are respectively provided with a hollow structure corresponding to the filtering part (11).
2. Nozzle flange (100) against foreign bodies according to claim 1, characterised in that the orifice plate (2) is ring-shaped, on which a plurality of holes (21) are distributed.
3. The nozzle flange (100) for preventing foreign matter according to claim 1, wherein the fixing member (3) is a screw, a fixing through hole (30) is provided at a predetermined position of the filter net (1) and the orifice plate (2), and the screw passes through the fixing through hole (30) to fix the filter net (1) and the orifice plate (2).
4. Nozzle flange (100) against foreign bodies according to claim 1, characterized in that the filter mesh (1) is at least one layer.
5. A combustion chamber (200), comprising a nozzle flange (100) according to any one of claims 1 to 4 arranged inside the combustion chamber (200).
6. The combustion chamber (200) of claim 5, the combustion chamber (200) further comprising an end cover fuel outlet (201) and a nozzle fuel inlet (202) disposed inside the combustion chamber (200),
the end cover fuel outlet (201) is disposed upstream of the nozzle flange (100);
the nozzle fuel inlets (202) are arranged at the downstream of the nozzle flange (100), and the nozzle fuel inlets (202) are a plurality and correspond to the holes (21) on the throttling orifice plate (2) in the nozzle flange (100) in a one-to-one mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110610778.4A CN113294810B (en) | 2021-06-01 | 2021-06-01 | Nozzle flange for preventing foreign matters and combustion chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110610778.4A CN113294810B (en) | 2021-06-01 | 2021-06-01 | Nozzle flange for preventing foreign matters and combustion chamber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113294810A CN113294810A (en) | 2021-08-24 |
| CN113294810B true CN113294810B (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110610778.4A Active CN113294810B (en) | 2021-06-01 | 2021-06-01 | Nozzle flange for preventing foreign matters and combustion chamber |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113803744B (en) * | 2021-09-27 | 2023-03-10 | 中国联合重型燃气轮机技术有限公司 | Combustion chamber feeding device and feeding system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1035972A (en) * | 1951-04-20 | 1953-09-02 | Ohg Pbd Italdiesel | Development of fuel injectors for diesel engines |
| GB2112065A (en) * | 1981-12-21 | 1983-07-13 | Daimler Benz Ag | An i.c. engine fuel injection valve filter arrangement |
| JP2002174425A (en) * | 2000-12-07 | 2002-06-21 | Toshiba Corp | Gas turbine combustor |
| KR20160109009A (en) * | 2015-03-09 | 2016-09-21 | 두산중공업 주식회사 | Debris removal device of a gas turbine |
-
2021
- 2021-06-01 CN CN202110610778.4A patent/CN113294810B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1035972A (en) * | 1951-04-20 | 1953-09-02 | Ohg Pbd Italdiesel | Development of fuel injectors for diesel engines |
| GB2112065A (en) * | 1981-12-21 | 1983-07-13 | Daimler Benz Ag | An i.c. engine fuel injection valve filter arrangement |
| JP2002174425A (en) * | 2000-12-07 | 2002-06-21 | Toshiba Corp | Gas turbine combustor |
| KR20160109009A (en) * | 2015-03-09 | 2016-09-21 | 두산중공업 주식회사 | Debris removal device of a gas turbine |
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|---|---|
| CN113294810A (en) | 2021-08-24 |
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