CN115218188A - Streamline fuel valve plate of gas generator - Google Patents
Streamline fuel valve plate of gas generator Download PDFInfo
- Publication number
- CN115218188A CN115218188A CN202210813759.6A CN202210813759A CN115218188A CN 115218188 A CN115218188 A CN 115218188A CN 202210813759 A CN202210813759 A CN 202210813759A CN 115218188 A CN115218188 A CN 115218188A
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- Prior art keywords
- fuel
- channel
- pressure reduction
- plate
- cylinder
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pressure-Spray And Ultrasonic-Wave- Spray Burners (AREA)
Abstract
The invention discloses a streamline fuel valve plate of a fuel gas generator, which comprises a fuel flow distribution plate, wherein the fuel flow distribution plate comprises a plurality of single plates arranged side by side, one side of each single plate is provided with a multi-stage pressure reduction channel, the multi-stage pressure reduction channel is a bent channel, the pore diameter of the multi-stage pressure reduction channel from bottom to top is gradually increased, a cylinder is fixedly connected above the fuel flow distribution plate, the side wall of the cylinder is uniformly provided with an airflow channel, the airflow channel is a conical hole, the multi-stage pressure reduction channel is arranged on the fuel flow distribution plate, the multi-stage pressure reduction channel is a bent channel, the pore diameter of the multi-stage pressure reduction channel from bottom to top is gradually increased, namely, in the process that fuel runs from bottom to top, the pressure of each bend inlet does not exceed the flash evaporation point of a medium through the pressure reduction of each stage, the fluid flow rate is reduced, the noise source is reduced, and the fuel after the pressure reduction and the speed reduction can ensure the combustion stability in the cylinder.
Description
Technical Field
The invention relates to the technical field of fuel valve plates, in particular to a streamline fuel valve plate of a fuel gas generator.
Background
In order to realize the pressurization of fuel during the pump operation of the fuel pump for the underwater power system, a fuel pump flow distribution mechanism is required to be configured. The main function of the fuel pump flow distribution mechanism is to communicate high-pressure fuel with the fuel outlet chamber when the plunger discharges oil during the reciprocating motion of the plunger and with the fuel inlet chamber during the oil suction of the plunger. Therefore, the quality of the fuel pump distribution mechanism will determine the overall performance and volumetric efficiency of the pump. The conventional fuel pump adopts a structure that a small eccentric shaft on a main shaft drives a flow distribution plate to rotate so as to realize pump flow distribution, and the flow distribution plate (flow distribution valve) adopted in the flow distribution mode mainly adopts a structure that a flow distribution ring is added with a sliding bearing or a needle bearing. The valve plate does revolution motion around the center of the main shaft during working, and also rotates around the rotation center of the valve plate, so that the function of communicating the fuel with the high-pressure cavity and the low-pressure cavity during pressurization or suction is realized, and the function of separating the high-pressure cavity and the low-pressure cavity during the working process of the pump is also realized.
The design of the large-flow gas generator applied to the injection system requires stable combustion, and avoids larger airflow pulsation. And the fuel liquid of the splitter disc of the fuel gas generator is fed by holes, so that the flow rate and the feeding pressure are high, and the stability of combustion is influenced by the newly fed fuel liquid in the combustion process.
Disclosure of Invention
The invention aims to provide a streamline fuel valve plate of a fuel generator, which aims to solve the problem that in the prior art, the combustion liquid of the valve plate of the fuel generator is fed by holes, so that the flow rate and the feeding pressure are high, and the stability of combustion is influenced by the newly fed combustion liquid in the combustion process.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a streamlined fuel valve plate of gas generator, includes fuel flow distribution plate, fuel flow distribution plate includes a plurality of monomer boards that set up side by side, multistage step-down passageway has been seted up to one side of monomer board, multistage step-down passageway is for buckling the passageway, and multistage step-down passageway from the aperture crescent of bottom to top.
Preferably, the multistage depressurization channel comprises a narrow feeding channel, a primary widening channel and a secondary widening channel which are sequentially arranged from bottom to top.
Preferably, the fuel distribution plate is externally sleeved with a locking ring, and the locking ring presses and fixes the plurality of monomer plates.
Preferably, a cylinder is fixedly connected above the fuel distribution plate, airflow channels are uniformly formed in the side wall of the cylinder, and nozzle mounting holes are uniformly formed in the upper surface of the cylinder.
Preferably, the air flow channel comprises a narrow inlet close to the outer side wall of the cylinder and a wide outlet close to the inner side wall of the cylinder, and the air flow channel is a tapered hole.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the multi-stage pressure reduction channel is arranged on the fuel split-flow disc, the multi-stage pressure reduction channel is a bent channel, and the aperture of the multi-stage pressure reduction channel from bottom to top is gradually increased, namely, in the process of fuel running from bottom to top, the pressure reduction of each stage is carried out, so that the pressure of each bend angle inlet does not exceed the flash evaporation point of a medium, the flow velocity of a fluid is reduced, the noise source is reduced, and the fuel after pressure reduction and speed reduction can ensure the combustion stability in the cylinder;
2. the air flow channel is a tapered hole, namely, the air flow is sprayed out from the narrow inlet to the wide outlet, in the process, the air pressure is also reduced, the air vortex is reduced, and the stable combustion is further ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention without the locking ring installed;
FIG. 3 is a perspective view of the fuel diverter tray of the present invention;
FIG. 4 is a schematic view of the construction of the monolithic panel of the present invention;
fig. 5 is a schematic top view of the airflow channel of the present invention.
In the figure: 1. a locking ring; 2. a barrel; 3. a nozzle mounting hole; 4. a fuel split disc; 41. a monolithic plate; 42. a multi-stage depressurization channel; 421. a narrow feed channel; 422. widening the channel for the first time; 423. widening the channel for the second time; 5. an air flow channel; 51. a narrow inlet; 52. a wide outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive efforts based on the embodiments of the present invention, are within the scope of protection of the present invention.
Referring to fig. 2, 3 and 4, an embodiment of the present invention is a streamline fuel distribution plate for a gas generator, including a fuel distribution plate 4, where the fuel distribution plate 4 includes a plurality of monomer plates 41 arranged side by side, one side of the monomer plates 41 is provided with a multi-stage pressure reduction channel 42, the multi-stage pressure reduction channel 42 is a bent channel, and the aperture of the multi-stage pressure reduction channel 42 is gradually increased from bottom to top, that is, in the process of fuel running from bottom to top, the pressure reduction at each stage is performed, so that the pressure at each corner inlet does not exceed the flash evaporation point of a medium, the fluid flow rate is reduced, the occurrence of flash evaporation and cavitation is avoided, and the noise source is reduced;
as shown in fig. 1 and fig. 2, in order to satisfy the requirement that the individual plates 41 can be locked with each other, the locking ring 1 is sleeved outside the fuel distribution plate 4, and the locking ring 1 presses and fixes the plurality of individual plates 41, thereby ensuring the integrity of the fuel distribution plate 4;
as shown in fig. 1, 2 and 4, in order to ensure that the fuel and the air flow can be mixed, a cylinder 2 is fixedly connected above the fuel distribution plate 4, an air flow channel 5 is uniformly formed on the side wall of the cylinder 2, that is, the air flow enters the inside of the cylinder 2 through the outer side of the air flow channel 5 to be mixed with the fuel, and the fuel is depressurized by a multistage depressurization channel 42, so that unstable combustion can be avoided, and further, nozzle mounting holes 3 for mounting nozzles are uniformly formed in the upper surface of the cylinder 2;
in this embodiment, preferably, the air flow channel 5 includes a narrow inlet 51 close to the outer side wall of the cylinder 2 and a wide outlet 52 close to the inner side wall of the cylinder 2, and the air flow channel 5 is a tapered hole, that is, the air flow is ejected from the narrow inlet 51 to the wide outlet 52, in this process, the air pressure is also reduced, the air vortex is reduced, and the combustion stability is further ensured.
The working principle of the invention is as follows: when using this device, liquid fuel arrives in proper order through narrow feed channel 421 and once widens passageway 422 and secondary and widens passageway 423, reentrant barrel 2's inside, multistage step-down passageway 42 is the passageway of buckling, and multistage step-down passageway 42 from bottom to top aperture crescent, so at fuel from the in-process of operation, through the step-down of each grade, make each bent angle entry pressure all not exceed the flash evaporation point of medium, reduce the fluid flow rate, avoid the flash evaporation, the emergence of cavitation erosion, reduce the noise source simultaneously, flow from narrow import 51 to wide export 52 back blowout simultaneously with this, this in-process, atmospheric pressure is also reduced, gas vortex has been reduced, and then through the fuel of step-down and through the inside mixed combustion of barrel 2 again of the air current of step-down, thoroughly guarantee the combustion stationary.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A streamline fuel valve plate of a fuel gas generator is characterized in that: including fuel flow distribution plate (4), fuel flow distribution plate (4) include a plurality of monomer boards (41) that set up side by side, multistage step-down passageway (42) have been seted up to one side of monomer board (41), multistage step-down passageway (42) are the passageway of buckling, and multistage step-down passageway (42) from bottom to top aperture crescent.
2. The streamlined fuel port plate of a gas generator of claim 1, wherein: the multistage depressurization channel (42) comprises a narrow feeding channel (421), a primary widening channel (422) and a secondary widening channel (423) which are sequentially arranged from bottom to top.
3. The streamlined fuel distributor of claim 2, wherein: the outside cover of fuel flow distribution disc (4) is equipped with locking ring (1), and locking ring (1) compresses tightly fixed a plurality of monomer boards (41).
4. The streamlined fuel port plate of a gas generator of claim 1, wherein: the fuel distributing plate is characterized in that a cylinder (2) is fixedly connected above the fuel distributing plate (4), and airflow channels (5) are uniformly formed in the side wall of the cylinder (2).
5. The streamlined fuel port plate of claim 4, wherein: the upper surface of the cylinder body (2) is uniformly provided with nozzle mounting holes (3).
6. The streamlined fuel distributor of claim 4 or 5, wherein: the air flow channel (5) comprises a narrow inlet (51) close to the outer side wall of the cylinder body (2) and a wide outlet (52) close to the inner side wall of the cylinder body (2).
7. The streamlined fuel distributor of claim 6, wherein: and the air flow channel (5) is a conical hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210813759.6A CN115218188A (en) | 2022-07-12 | 2022-07-12 | Streamline fuel valve plate of gas generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210813759.6A CN115218188A (en) | 2022-07-12 | 2022-07-12 | Streamline fuel valve plate of gas generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115218188A true CN115218188A (en) | 2022-10-21 |
Family
ID=83611906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210813759.6A Pending CN115218188A (en) | 2022-07-12 | 2022-07-12 | Streamline fuel valve plate of gas generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115218188A (en) |
-
2022
- 2022-07-12 CN CN202210813759.6A patent/CN115218188A/en active Pending
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