CN114263554A - Multi-nozzle methanol ejector assembly structure - Google Patents
Multi-nozzle methanol ejector assembly structure Download PDFInfo
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- CN114263554A CN114263554A CN202111589413.4A CN202111589413A CN114263554A CN 114263554 A CN114263554 A CN 114263554A CN 202111589413 A CN202111589413 A CN 202111589413A CN 114263554 A CN114263554 A CN 114263554A
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Abstract
The invention relates to the technical field of diesel oil methanol dual-fuel engine systems, and discloses a multi-nozzle methanol injector assembly structure which comprises a lower bent pipe, a lower bent welding plate, a welding side plate, an upper bent pipe, a flange and a rear welding plate, wherein the lower bent pipe, the lower bent welding plate, the welding side plate, the upper bent pipe, the flange and the rear welding plate are welded into an integrated bent pipe structure by adopting an iron plate assembly welding process, and an injector assembly is arranged at a right-angle corner of the bent pipe structure; the invention provides a multi-nozzle methanol ejector assembly structure, which solves the problems of difficult welding, unreliable welding, unstable size, high production cost and long service life in the prior art.
Description
Technical Field
The invention relates to the technical field of diesel oil and methanol dual-fuel engine systems, in particular to a multi-nozzle methanol injector assembly structure.
Background
The pipe body part of the existing methanol injector assembly structure is integrally formed by adopting a die-casting forming process, and a mounting hole is machined after casting is finished; and traditional mode of welding body part is owing to treat welding structural design unreasonable to body part goes on to make welding operation difficult, still have technical defect such as welding unreliable, size unstability simultaneously, therefore influenced the endurance reliability and the dimensional stability of product.
Disclosure of Invention
The invention aims to provide a multi-nozzle methanol ejector assembly structure, which solves the problems of difficult welding, unreliable welding, unstable size, high production cost and low durable service life in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a multi-nozzle methanol ejector assembly structure comprises a lower bent pipe, a lower bent welding plate, a welding side plate, an upper bent pipe, a flange and a rear welding plate, wherein the lower bent pipe, the lower bent welding plate, the welding side plate, the upper bent pipe, the flange and the rear welding plate are welded into an integrated bent pipe structure by adopting an iron plate assembly welding process, and an ejector assembly is arranged at a right-angle corner of the bent pipe structure;
the lower bent pipe is provided with an air outlet, the upper bent pipe is provided with an air inlet, one side of the lower bent pipe, which faces the upper bent pipe, is provided with a first opening, the edge of the first opening comprises a first welding edge and two second welding edges which are perpendicular to the first welding edge, the first welding edge is parallel to the plane of the air outlet, and the two second welding edges extend from two ends of the first welding edge to one end of the lower bent pipe, which is far away from the air outlet;
a second opening is formed in one side, facing the lower bent pipe, of the upper bent pipe, the edge of the second opening comprises a third welding edge and two symmetrically arranged fourth welding edges, the third welding edge is parallel to the plane where the air inlet is located, and the two fourth welding edges extend to one end, away from the air inlet, of the upper bent pipe in an arc shape from the two ends of the third welding edge in the direction facing the air outlet;
the welding side plate comprises a fifth welding side, a sixth welding side and a seventh welding side, the fifth welding side is welded with the lower end of the upper bent pipe, and the sixth welding side is welded with the corresponding second welding side;
the lower bent welding plate comprises two symmetrically arranged side arc-shaped edges, an upper welding edge is connected between the upper ends of the two side arc-shaped edges, a lower welding edge is connected between the lower ends of the two side arc-shaped edges, the upper welding edge is welded with a third welding edge, the lower welding edge is welded with a first welding edge, and the two side arc-shaped edges are sequentially welded with a fourth welding edge, a seventh welding edge and a second welding edge from top to bottom;
the welding curb plate keeps away from the one end parallel and level and this end welding of gas outlet with lower return bend, the flange is parallel with the gas outlet, the lower extreme of going up the return bend is located the outside welding of flange and has the back weld plate.
According to the technical scheme, the special splicing structure design of the lower bent pipe, the lower bent welding plate, the welding side plate, the upper bent pipe, the flange and the rear welding plate is adopted, and the iron plate splicing welding process is adopted, so that the problems of difficulty in welding, unreliable welding, air leakage, unstable size, high production cost and low durable service life in the prior art are solved, the production cost is reduced, and the durable reliability and the dimensional stability of a product are guaranteed. In addition, the flange is parallel with the gas outlet, and the design of flange provides accurate mounted position for spouting the mellow wine mouth for the direction of the methyl alcohol of injection is unanimous with the gas flow direction, guarantees to spray the back abundant atomizing.
Further, the ejector assembly comprises an alcohol rail flange, an alcohol rail, an air inlet oil cup, an alcohol spraying nozzle and an alcohol rail oil cup, wherein the alcohol rail flange is installed on the flange through bolts, the alcohol rail is installed on the alcohol rail flange, the air inlet oil cup is installed on the flange, one end of the alcohol spraying nozzle is connected with the air inlet oil cup, the other end of the alcohol spraying nozzle is connected with the alcohol rail oil cup, and the alcohol rail oil cup is connected with the alcohol rail. The design of flange and mellow wine rail flange can provide the correct methyl alcohol nozzle pencil and connect the direction of inserting, guarantees pencil simple to operate, spouts mellow wine mouth and passes through the bolt and install between flange and mellow wine rail flange, has guaranteed that the even abundant atomizing of distribution after methyl alcohol sprays.
Furthermore, in order to achieve a better atomization effect, the alcohol spraying nozzles are two groups of three nozzles, and meanwhile, the problem of pressure fluctuation of an alcohol rail during spraying is solved by the design of the two groups of three nozzles, so that sufficient methanol with stable pressure is guaranteed to be provided for the alcohol spraying device.
Further, the alcohol spraying nozzle is perpendicular to the air outlet. The alcohol spraying nozzle is fixed on the flange through the air inlet oil cup, so that the alcohol spraying nozzle is fixed at an accurate position, the methanol spraying direction is consistent with the gas flowing direction, and the sufficient atomization after the methanol spraying is ensured.
Further, the injector assembly is electrically connected with an external controller ECU, so that the methanol can be injected according to the specified requirement.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic perspective view of the present invention;
FIG. 5 is an exploded view of the present invention;
in the figure: a lower bent pipe 1; downward bending the welded plate 2; welding the side plate 3; an upper bend pipe 4; a flange 5; a rear welding plate 6; an air outlet 7; an air inlet 8; a first welding edge 9; a second welding edge 10; a third weld edge 11; a fourth welding edge 12; a fifth welding edge 13 and a sixth welding edge 14; a seventh welding edge 15; side arcuate edges 16; an upper welding edge 17; a lower welded edge 18; an alcohol rail flange 19; an alcohol rail 20; an intake oil cup 21; a nozzle 22 for spraying alcohol; an alcohol rail oil cup 23; a bolt 24.
Detailed Description
Example 1:
as shown in fig. 1-5, the present embodiment provides a multi-nozzle methanol injector assembly structure, which includes a lower bent pipe 1, a lower bent welded plate 2, a welded side plate 3, an upper bent pipe 4, a flange 5, and a rear welded plate 6, where the lower bent pipe 1, the lower bent welded plate 2, the welded side plate 3, the upper bent pipe 4, the flange 5, and the rear welded plate 6 are welded into an integral bent pipe structure by using an iron plate assembly welding process, and an injector assembly is disposed at a right-angle corner of the bent pipe structure;
the lower bent pipe 1 is provided with an air outlet 7, the upper bent pipe 4 is provided with an air inlet 8, one side of the lower bent pipe 1, which faces the upper bent pipe 4, is provided with a first opening, the edge of the first opening comprises a first welding edge 9 and two second welding edges 10 which are perpendicular to the first welding edge 9, the first welding edge 9 is parallel to the plane of the air outlet 7, and the two second welding edges 10 extend from two ends of the first welding edge 9 to one end of the lower bent pipe 1, which is far away from the air outlet 7;
a second opening is formed in one side, facing the lower bent pipe 1, of the upper bent pipe 4, the edge of the second opening comprises a third welding edge 11 and two symmetrically arranged fourth welding edges 12, the third welding edge 11 is parallel to the plane where the air inlet 8 is located, and the two fourth welding edges 12 extend from two ends of the third welding edge 11 towards the air outlet 7 in an arc shape to one end, far away from the air inlet 8, of the upper bent pipe 4;
the welded side plate 3 comprises a fifth welded edge 13, a sixth welded edge 14 and a seventh welded edge 15, the fifth welded edge 13 is welded with the lower end of the upper bent pipe 4, and the sixth welded edge 14 is welded with the corresponding second welded edge 10;
the downward-bending welded plate 2 comprises two symmetrically-arranged side arc-shaped edges 16, an upper welding edge 17 is connected between the upper ends of the two side arc-shaped edges 16, a lower welding edge 18 is connected between the lower ends of the two side arc-shaped edges 16, the upper welding edge 17 is welded with a third welding edge 11, the lower welding edge 18 is welded with a first welding edge 9, and the two side arc-shaped edges 16 are sequentially welded with a fourth welding edge 12, a seventh welding edge 15 and a second welding edge 10 from top to bottom;
According to the technical scheme, through the special splicing structure design of the lower bent pipe 1, the lower bent welding plate 2, the welding side plate 3, the upper bent pipe 4, the flange 5 and the rear welding plate 6 and the iron plate splicing welding process, the problems of difficulty in welding, unreliable welding, air leakage, unstable size, high production cost and long service life in the prior art are solved, and the endurance reliability and the size stability of a product are guaranteed while the production cost is reduced. In addition, the flange 5 is parallel to the air outlet 7, and the accurate installation position is provided for the alcohol spraying nozzle 22 due to the design of the flange 5, so that the direction of the sprayed methanol is consistent with the flowing direction of the gas, and the sufficient atomization after the spraying is ensured.
Example 2:
this embodiment is optimized based on embodiment 1 described above.
The ejector assembly comprises an alcohol rail flange 19, an alcohol rail 20, an air inlet oil cup 21, an alcohol spraying nozzle 22 and an alcohol rail oil cup 23, wherein the alcohol rail flange 19 is installed on the flange 5 through a bolt 24, the alcohol rail 20 is installed on the alcohol rail flange 19, the air inlet oil cup 21 is installed on the flange 5, one end of the alcohol spraying nozzle 22 is connected with the air inlet oil cup 21, the other end of the alcohol spraying nozzle 22 is connected with the alcohol rail oil cup 23, and the alcohol rail oil cup 23 is connected with the alcohol rail 20. The design of flange 5 and mellow wine rail flange 19 can provide the correct methyl alcohol nozzle pencil and connect the direction of inserting, guarantees pencil simple to operate, spouts mellow wine mouth 22 and installs between flange 5 and mellow wine rail flange 19 through bolt 24, has guaranteed that the even abundant atomizing of distribution after methyl alcohol sprays.
Example 3:
this embodiment is optimized based on embodiment 2 described above.
In order to achieve a better atomization effect, the alcohol spraying nozzles 22 are two groups of alcohol spraying nozzles 22 with three nozzles, and meanwhile, the design of the two groups of three nozzles solves the problem of pressure fluctuation of the alcohol rail 20 during spraying, and ensures that enough methanol with stable pressure is supplied to the alcohol sprayer.
Example 4:
this embodiment is optimized based on embodiment 2 or 3 described above.
The alcohol spray nozzle 22 is perpendicular to the air outlet 7. The alcohol spraying nozzle 22 is fixed on the flange 5 through the air inlet oil cup 21, so that the alcohol spraying nozzle 22 is fixed at an accurate position, the methanol spraying direction is consistent with the gas flowing direction, and sufficient atomization after spraying is ensured. The injector assembly is electrically connected with an external controller ECU, so that the methanol can be conveniently sprayed according to the specified requirement.
Finally, it should be noted that: the above are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present 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 (5)
1. A multinozzle methanol injector assembly structure characterized in that: the device comprises a lower bent pipe, a lower-bending welded plate, a welded side plate, an upper bent pipe, a flange and a rear welded plate, wherein the lower bent pipe, the lower-bending welded plate, the welded side plate, the upper bent pipe, the flange and the rear welded plate are welded into an integrated bent pipe structure by adopting an iron plate assembly welding process, and an injector assembly is arranged at a right-angle corner of the bent pipe structure;
the lower bent pipe is provided with an air outlet, the upper bent pipe is provided with an air inlet, one side of the lower bent pipe, which faces the upper bent pipe, is provided with a first opening, the edge of the first opening comprises a first welding edge and two second welding edges which are perpendicular to the first welding edge, the first welding edge is parallel to the plane of the air outlet, and the two second welding edges extend from two ends of the first welding edge to one end of the lower bent pipe, which is far away from the air outlet;
a second opening is formed in one side, facing the lower bent pipe, of the upper bent pipe, the edge of the second opening comprises a third welding edge and two symmetrically arranged fourth welding edges, the third welding edge is parallel to the plane where the air inlet is located, and the two fourth welding edges extend to one end, away from the air inlet, of the upper bent pipe in an arc shape from the two ends of the third welding edge in the direction facing the air outlet;
the welding side plate comprises a fifth welding side, a sixth welding side and a seventh welding side, the fifth welding side is welded with the lower end of the upper bent pipe, and the sixth welding side is welded with the corresponding second welding side;
the lower bent welding plate comprises two symmetrically arranged side arc-shaped edges, an upper welding edge is connected between the upper ends of the two side arc-shaped edges, a lower welding edge is connected between the lower ends of the two side arc-shaped edges, the upper welding edge is welded with a third welding edge, the lower welding edge is welded with a first welding edge, and the two side arc-shaped edges are sequentially welded with a fourth welding edge, a seventh welding edge and a second welding edge from top to bottom;
the welding curb plate keeps away from the one end parallel and level and this end welding of gas outlet with lower return bend, the flange is parallel with the gas outlet, the lower extreme of going up the return bend is located the outside welding of flange and has the back weld plate.
2. The multi-nozzle methanol injector assembly structure of claim 2, wherein: the ejector assembly comprises an alcohol rail flange, an alcohol rail, an air inlet oil cup, an alcohol spraying nozzle and an alcohol rail oil cup, wherein the alcohol rail flange is installed on the flange through bolts, the alcohol rail is installed on the alcohol rail flange, the air inlet oil cup is installed on the flange, one end of the alcohol spraying nozzle is connected with the air inlet oil cup, the other end of the alcohol spraying nozzle is connected with the alcohol rail oil cup, and the alcohol rail oil cup is connected with the alcohol rail.
3. The multi-nozzle methanol injector assembly structure of claim 2, wherein: the alcohol spraying nozzles are two groups of alcohol spraying nozzles with three nozzles.
4. The multi-nozzle methanol injector assembly structure of claim 2, wherein: the alcohol spraying nozzle is vertical to the air outlet.
5. The multi-nozzle methanol injector assembly structure of claim 2, wherein: the injector assembly is electrically connected with an external controller ECU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111589413.4A CN114263554A (en) | 2021-12-23 | 2021-12-23 | Multi-nozzle methanol ejector assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111589413.4A CN114263554A (en) | 2021-12-23 | 2021-12-23 | Multi-nozzle methanol ejector assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114263554A true CN114263554A (en) | 2022-04-01 |
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ID=80829188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111589413.4A Pending CN114263554A (en) | 2021-12-23 | 2021-12-23 | Multi-nozzle methanol ejector assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114263554A (en) |
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2021
- 2021-12-23 CN CN202111589413.4A patent/CN114263554A/en active Pending
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