Atomization device for combustion chamber of aviation gas turbine engine

Abstract

The utility model discloses an atomization device for a combustion chamber of an aviation gas turbine engine, which belongs to the technical field of aviation gas turbine engines and is characterized by comprising an oil inlet pipe, the bottom of the oil inlet pipe is fixedly communicated with a filter component, the top of the filter component is fixedly communicated with an oil outlet pipe, and the front side of the oil outlet pipe is fixedly communicated with an atomization component. The filter assembly comprises a filter shell, a filter element and an oil supply pipe, the filter assembly is fixed through the oil inlet pipe firstly, then the effect of filtering particulate matter in fuel oil is achieved through the filter assembly, it is avoided that the particulate matter influences work of the atomization assembly, meanwhile, the oil outlet pipe is fixed, the atomization assembly is fixed through the oil outlet pipe, and finally the effect of atomizing the fuel oil is achieved through the atomization assembly. According to the fuel oil filtering device, the filtering shell is fixed through the oil inlet pipe, the filtering element is fixed through the filtering shell, then the effect of fixing the fuel oil is achieved through the filtering element, and finally the effect of outputting the filtered fuel oil is achieved through the oil supply pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of aviation gas turbine engines, in particular to an aviation gas turbine engine combustion chamber atomization device. Background Art

[0002] A gas turbine engine, or gas turbine, is a type of heat engine. Gas turbine can be a broad term, and the basic principles are similar, including gas turbine jet engines, etc., and the gas turbine engine generally refers to that used in ships, vehicles, generator sets, etc.

[0003] The aviation gas turbine engine combustion chamber atomization device currently on the market, when performing fuel injection operations, sprays the fuel into tiny particles through a nozzle atomizer, thereby achieving efficient combustion. However, the existing atomization device lacks fuel treatment, and the fuel may be mixed with particulate matter during the filling process, affecting the operation of the nozzle atomizer. At the same time, the mixing process of the atomizer itself and the air is passive mixing, and there is room for improvement in the mixing efficiency. Utility Model Content

[0004] The utility model provides an aviation gas turbine engine combustion chamber atomization device, aiming to solve the existing aviation gas turbine engine combustion chamber atomization device. When performing fuel injection operation, the fuel is sprayed into tiny particles by a nozzle atomizer, so as to achieve efficient combustion. However, the existing atomization device lacks fuel treatment, and the fuel may be mixed with particulate matter during the filling process, which affects the operation of the nozzle atomizer. At the same time, the mixing process of the atomizer itself and the air is passive mixing, and there is room for improvement in the mixing efficiency.

[0005] The utility model is implemented as follows: an atomizing device for a combustion chamber of an aviation gas turbine engine comprises an oil inlet pipe, the bottom of the oil inlet pipe is fixedly connected to a filter assembly, the top of the filter assembly is fixedly connected to an oil outlet pipe, and the front side of the oil outlet pipe is fixedly connected to an atomizing assembly;

[0006] The filter assembly includes a filter housing, a filter element and an oil supply pipe. The filter housing is fixedly connected to the bottom of the oil inlet pipe, the filter element is clamped in the interior of the filter housing, the oil supply pipe is fixedly connected to the interior of the filter housing, and the filter element is sleeved on the surface of the oil supply pipe.

[0007] In order to achieve the effect of atomizing and spraying the fuel, as a preferred atomization device for an aviation gas turbine engine combustion chamber of the utility model, the atomization assembly includes a fixed plate, an atomization chamber and an atomization head, the fixed plate is fixedly connected to the front side of the oil outlet pipe, the atomization chamber is fixedly connected to the front side of the fixed plate, and the atomization head is fixedly connected to the inside of the fixed plate.

[0008] In order to facilitate the oil intake, as a preferred atomization device for the combustion chamber of an aviation gas turbine engine of the utility model, the top of the filter housing is fixedly connected to an oil inlet cover, the interior of the oil inlet cover is provided with an oil inlet hole for use with an oil inlet pipe, the oil inlet pipe is fixedly connected to the interior of the oil inlet hole, and the interior of the oil inlet cover is fixedly connected to an oil outlet cover.

[0009] In order to achieve the effect of controlling the discharge position of the fuel after filtration, as a preferred atomization device for the combustion chamber of an aviation gas turbine engine of the utility model, the interior of the oil outlet cover is provided with an oil outlet hole used in conjunction with an oil outlet pipe, the oil outlet pipe is fixedly connected to the interior of the oil outlet hole, and the interior of the filter housing is fixedly connected with a sedimentation plate.

[0010] In order to facilitate the sedimentation of particulate matter in the fuel, as a preferred atomization device for an aviation gas turbine engine combustion chamber of the utility model, a plurality of flow holes are opened inside the sedimentation plate, and the flow holes are evenly distributed inside the sedimentation plate. The bottom of the filter housing is fixedly connected with a bottom cover, the interior of the sedimentation plate is fixedly connected with a support plate, and the filter element is clamped on the top of the support plate.

[0011] In order to facilitate the fixing of the filter element, as a preferred atomization device for the combustion chamber of an aviation gas turbine engine of the utility model, the top of the support plate is fixedly connected with a clamping ring, the bottom of the oil outlet cover is fixedly connected with a fixing ring used in conjunction with the clamping ring, and the filter element is respectively clamped inside the clamping ring and the fixing ring.

[0012] In order to achieve the effect of improving the mixing efficiency of fuel and air, as a preferred atomization device for an aviation gas turbine engine combustion chamber of the utility model, the interior of the fixed plate is fixedly connected to a mixing head used in conjunction with the atomization head, the number of the mixing heads is three and they are arranged obliquely, and the mixing heads are evenly distributed inside the fixed plate.

[0013] In order to facilitate the operation of the mixing head, as a preferred atomization device for the combustion chamber of an aviation gas turbine engine of the utility model, the rear side of the fixed plate is fixedly connected with an air intake pipe, the air intake pipes are arranged to be interconnected, and the side of the air intake pipe close to the mixing head is fixedly connected to the mixing head.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The atomizing device for the combustion chamber of the aviation gas turbine engine first fixes the filter assembly through an oil inlet pipe, and then achieves the effect of filtering particulate matter in the fuel through the filter assembly to prevent the particulate matter from affecting the operation of the atomizing assembly, and at the same time fixes the oil outlet pipe, and then fixes the atomizing assembly through the oil outlet pipe, and finally achieves the effect of atomizing the fuel through the atomizing assembly and improves the mixing efficiency of the fuel with air, fixes the filter housing through the oil inlet pipe, and fixes the filter element through the filter housing, and then achieves the effect of fixing the fuel through the filter element, and finally achieves the effect of outputting the filtered fuel through the oil supply pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the overall structural diagram of the atomizing device for the combustion chamber of an aviation gas turbine engine of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the filter assembly in the utility model;

[0018] Figure 3 It is a structural schematic diagram of the atomization component in the utility model;

[0019] Figure 4 This is a schematic diagram of the connection of the filter housing in the utility model;

[0020] Figure 5 It is a connection schematic diagram of the settlement plate in the utility model.

[0021] In the figure, 1, oil inlet pipe; 2, filter assembly; 201, filter housing; 202, filter element; 203, oil supply pipe; 3, oil outlet pipe; 4, atomization assembly; 401, fixing plate; 402, atomization chamber; 403, atomization head; 5, oil inlet cover; 6, oil inlet hole; 7, oil outlet cover; 8, oil outlet hole; 9, sedimentation plate; 10, flow hole; 11, bottom cover; 12, support plate; 13, clamping ring; 14, fixing ring; 15, mixing head; 16, air inlet pipe. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0024] See also Figure 1-5 The utility model provides a technical solution: an atomizing device for a combustion chamber of an aviation gas turbine engine, comprising an oil inlet pipe 1, a filter assembly 2 is fixedly connected to the bottom of the oil inlet pipe 1, an oil outlet pipe 3 is fixedly connected to the top of the filter assembly 2, and an atomizing assembly 4 is fixedly connected to the front side of the oil outlet pipe 3;

[0025] The filter assembly 2 includes a filter housing 201, a filter element 202 and an oil supply pipe 203. The filter housing 201 is fixedly connected to the bottom of the oil inlet pipe 1, the filter element 202 is clamped inside the filter housing 201, the oil supply pipe 203 is fixedly connected to the inside of the filter housing 201, and the filter element 202 is sleeved on the surface of the oil supply pipe 203.

[0026] In this embodiment: first, the filter assembly 2 is fixed through the oil inlet pipe 1, and then the filter assembly 2 is used to filter the particulate matter in the fuel to prevent it from affecting the operation of the atomization assembly 4. At the same time, the oil outlet pipe 3 is fixed, and then the atomization assembly 4 is fixed through the oil outlet pipe 3. Finally, the atomization assembly 4 is used to atomize the fuel and improve its mixing efficiency with the air. The filter housing 201 is fixed through the oil inlet pipe 1, and the filter element 202 is fixed through the filter housing 201. Then, the filter element 202 is used to fix the fuel, and finally, the filtered fuel is output through the oil supply pipe 203.

[0027] As a technical optimization solution of the utility model, the atomization assembly 4 includes a fixed plate 401, an atomization chamber 402 and an atomization head 403. The fixed plate 401 is fixedly connected to the front side of the oil outlet pipe 3, the atomization chamber 402 is fixedly connected to the front side of the fixed plate 401, and the atomization head 403 is fixedly connected to the inside of the fixed plate 401.

[0028] In this embodiment: the fixing plate 401 is fixed by the oil outlet pipe 3, and then the atomizing chamber 402 is fixed by the fixing plate 401, and the position of the atomizing head 403 is fixed at the same time, and finally the atomizing head 403 is used to achieve the effect of atomizing the fuel.

[0029] As a technical optimization solution of the utility model, an oil inlet cover 5 is fixedly connected to the top of the filter housing 201, an oil inlet hole 6 for use with the oil inlet pipe 1 is opened inside the oil inlet cover 5, the oil inlet pipe 1 is fixedly connected to the inside of the oil inlet hole 6, and an oil outlet cover 7 is fixedly connected to the inside of the oil inlet cover 5.

[0030] In this embodiment: the oil inlet cover 5 is fixed by the filter housing 201, and then the oil inlet hole 6 opened inside the oil inlet cover 5 cooperates with the oil inlet pipe 1, so as to fix the oil inlet pipe 1, so as to facilitate the fuel to enter the filter housing 201, and then the oil outlet cover 7 is fixed by the oil inlet cover 5.

[0031] As a technical optimization solution of the utility model, an oil outlet hole 8 for use with the oil outlet pipe 3 is opened inside the oil outlet cover 7, the oil outlet pipe 3 is fixedly connected to the inside of the oil outlet hole 8, and a sedimentation plate 9 is fixedly connected to the inside of the filter housing 201.

[0032] In this embodiment, the oil outlet hole 8 starting from the inside of the oil outlet cover 7 cooperates with the oil outlet pipe 3 to facilitate the filtered fuel to enter the atomization assembly 4, and then the sedimentation plate 9 is fixed by the filter housing 201.

[0033] As a technical optimization solution of the utility model, a plurality of flow holes 10 are opened inside the sedimentation plate 9, and the flow holes 10 are evenly distributed inside the sedimentation plate 9. The bottom of the filter shell 201 is fixedly connected with a bottom cover 11, and the interior of the sedimentation plate 9 is fixedly connected with a support plate 12, and the filter element 202 is clamped on the top of the support plate 12.

[0034] In this embodiment: the flow hole 10 opened inside the sedimentation plate 9 is used to facilitate the natural sedimentation of particulate matter in the fuel, and then the bottom cover 11 is fixed by the filter housing 201, and the settled particulate matter is collected by the bottom cover 11, and finally the support plate 12 is fixed by the sedimentation plate 9.

[0035] As a technical optimization solution of the utility model, a clamping ring 13 is fixedly connected to the top of the support plate 12, and a fixing ring 14 used in conjunction with the clamping ring 13 is fixedly connected to the bottom of the oil outlet cover 7, and the filter element 202 is respectively clamped inside the clamping ring 13 and the fixing ring 14.

[0036] In this embodiment: the filter element 202 is supported by the support plate 12, the retaining ring 13 is fixed by the support plate 12, and the fixing ring 14 is fixed by the oil outlet cover 7, and finally the filter element 202 is fixed by the fixing ring 14 and the retaining ring 13.

[0037] As a technical optimization solution of the utility model, the interior of the fixed plate 401 is fixedly connected with a mixing head 15 used in conjunction with the atomizing head 403 . There are three mixing heads 15 which are arranged obliquely and are evenly distributed inside the fixed plate 401 .

[0038] In this embodiment, the mixing head 15 is fixed by the fixing plate 401, and then the number of the mixing heads 15 is three and they are arranged obliquely, so as to improve the mixing degree of the atomized fuel and the air.

[0039] As a technical optimization solution of the utility model, the rear side of the fixed plate 401 is fixedly connected with an air intake pipe 16 , and the air intake pipes 16 are interconnected. The side of the air intake pipe 16 close to the mixing head 15 is fixedly connected with the mixing head 15 .

[0040] In this embodiment, the air inlet pipes 16 are fixed by the fixing plate 401 and are arranged to be interconnected through the air inlet pipes 16, so that the mixing heads 15 can work simultaneously.

[0041] Working principle: First, the fuel is connected to the pumping equipment through the oil inlet pipe 1 to transport the fuel to the filter housing 201. At this time, the fuel enters the filter housing 201 and gradually fills the filter housing 201. As the fuel is continuously injected, the fuel penetrates the filter element 202 and is filtered by the filter element 202 to remove particulate matter mixed in the fuel during the filling process. At the same time, the particulate matter in the fuel naturally settles in the filter housing 201, and the filtered fuel enters the oil outlet pipe 3 through the oil supply pipe 203 and is transported to the atomizing head 403. The fuel is atomized into tiny particles through the atomizing head 403. At this time, oxygen-containing air is transported to the intake pipe 16 through an external pumping equipment, and finally air is sprayed to the atomized fuel through the mixing head 15 to evenly mix the fuel and air. At this time, the preparation before combustion is completed. Finally, this part of the mixture enters the combustion chamber through the atomizing chamber 402 and burns.

[0042] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An atomizing device for a combustion chamber of an aviation gas turbine engine, comprising an oil inlet pipe (1), characterized in that: The bottom of the oil inlet pipe (1) is fixedly connected to a filter assembly (2), the top of the filter assembly (2) is fixedly connected to an oil outlet pipe (3), and the front side of the oil outlet pipe (3) is fixedly connected to an atomization assembly (4); The filter assembly (2) comprises a filter housing (201), a filter element (202) and an oil supply pipe (203); the filter housing (201) is fixedly connected to the bottom of the oil inlet pipe (1); the filter element (202) is clamped inside the filter housing (201); the oil supply pipe (203) is fixedly connected to the inside of the filter housing (201); and the filter element (202) is sleeved on the surface of the oil supply pipe (203).

2. The atomizing device for a combustion chamber of an aviation gas turbine engine according to claim 1, characterized in that: The atomizing assembly (4) comprises a fixing plate (401), an atomizing chamber (402) and an atomizing head (403); the fixing plate (401) is fixedly connected to the front side of the oil outlet pipe (3); the atomizing chamber (402) is fixedly connected to the front side of the fixing plate (401); and the atomizing head (403) is fixedly connected to the interior of the fixing plate (401).

3. The atomizing device for a combustion chamber of an aviation gas turbine engine according to claim 1, characterized in that: An oil inlet cap (5) is fixedly connected to the top of the filter housing (201); an oil inlet hole (6) for use with an oil inlet pipe (1) is provided inside the oil inlet cap (5); the oil inlet pipe (1) is fixedly connected to the inside of the oil inlet hole (6); and an oil outlet cap (7) is fixedly connected to the inside of the oil inlet cap (5).

4. The atomizing device for a combustion chamber of an aviation gas turbine engine according to claim 3, characterized in that: An oil outlet hole (8) for use with the oil outlet pipe (3) is provided inside the oil outlet cover (7); the oil outlet pipe (3) is fixedly connected to the inside of the oil outlet hole (8); and a sedimentation plate (9) is fixedly connected to the inside of the filter housing (201).

5. The atomizing device for the combustion chamber of an aviation gas turbine engine according to claim 4, characterized in that: The sedimentation plate (9) is provided with a plurality of flow holes (10) therein, and the flow holes (10) are evenly distributed inside the sedimentation plate (9). The bottom of the filter housing (201) is fixedly connected to a bottom cover (11), the interior of the sedimentation plate (9) is fixedly connected to a support plate (12), and the filter element (202) is clamped on the top of the support plate (12).

6. The atomizing device for a combustion chamber of an aviation gas turbine engine according to claim 5, characterized in that: A clamping ring (13) is fixedly connected to the top of the support plate (12), a fixing ring (14) used in conjunction with the clamping ring (13) is fixedly connected to the bottom of the oil outlet cover (7), and the filter element (202) is respectively clamped inside the clamping ring (13) and the fixing ring (14).

7. The atomizing device for a combustion chamber of an aviation gas turbine engine according to claim 2, characterized in that: The interior of the fixed plate (401) is fixedly connected to a mixing head (15) for use with the atomizing head (403). The number of the mixing heads (15) is three and they are arranged obliquely. The mixing heads (15) are evenly distributed inside the fixed plate (401).

8. The atomizing device for a combustion chamber of an aviation gas turbine engine according to claim 7, characterized in that: An air intake pipe (16) is fixedly connected to the rear side of the fixed plate (401), and the air intake pipes (16) are arranged to be interconnected. The side of the air intake pipe (16) close to the mixing head (15) is fixedly connected to the mixing head (15).

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