CN220204024U - Alcohol rail structure for treating methanol fuel backflow - Google Patents
Alcohol rail structure for treating methanol fuel backflow Download PDFInfo
- Publication number
- CN220204024U CN220204024U CN202321748776.2U CN202321748776U CN220204024U CN 220204024 U CN220204024 U CN 220204024U CN 202321748776 U CN202321748776 U CN 202321748776U CN 220204024 U CN220204024 U CN 220204024U
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- CN
- China
- Prior art keywords
- alcohol
- branch pipe
- end cover
- pipe
- flange
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 128
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 124
- 239000000446 fuel Substances 0.000 title claims abstract description 29
- 238000010926 purge Methods 0.000 claims abstract description 22
- 239000007921 spray Substances 0.000 claims abstract description 6
- 238000010408 sweeping Methods 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims 7
- 231100000572 poisoning Toxicity 0.000 abstract description 6
- 230000000607 poisoning effect Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000011084 recovery Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
The utility model relates to a methanol fuel injection system technical field specifically is a handle alcohol rail structure of methanol fuel backward flow, including supplying the alcohol mouth pipe joint, supply alcohol mouth end cover, house steward subassembly, a plurality of U-shaped branch pipe subassembly, a plurality of alcohol spray device, arrange alcohol mouth end cover and row alcohol mouth pipe joint, house steward subassembly includes the house steward body, purge the branch pipe, purge the flange, a plurality of inlet branch pipe and a plurality of inlet flange, supply alcohol mouth end cover and row alcohol mouth end cover to fix respectively at the both ends of house steward body, a plurality of U-shaped branch pipe subassembly are installed respectively on a plurality of inlet flange, a plurality of alcohol spray device install respectively at the tip of U-shaped branch pipe subassembly, this scheme is under the prerequisite of not lifting up alcohol rail house steward body, only need take down U-shaped pipe subassembly and can be taken down the alcohol spray device and change or maintain, close U-shaped pipe subassembly, avoid alcohol rail house steward body and inlet branch pipe intraductal remaining methanol to leak with the poisoning problem that operating personnel direct contact led to, the security of methanol engine maintenance has been improved.
Description
Technical Field
The utility model relates to the technical field of methanol fuel injection systems, in particular to an alcohol rail structure for treating methanol fuel backflow.
Background
Methanol is considered as one of the ideal clean energy sources in the future due to its special physicochemical properties, but the light weight of human body after contact or inhalation affects health, and the heavy weight causes body poisoning, so how to safely use methanol fuel on engines is also of great concern nowadays.
At present, methanol is used as an alternative fuel of an internal combustion engine to a certain amount on a vehicle, and ZL201821195895.9 discloses an oil injector assembly of the methanol engine and the methanol engine, wherein an oil rail and the injector are integrated, and if the injector is maintained and replaced, the oil rail needs to be assembled and disassembled at the same time. In the aspect of ship machines, a main engine factory in China also completes a prototype test, ZL202110933238.X discloses a methanol/diesel dual-fuel engine methanol inlet system, an alcohol rail of a methanol fuel supply part of the patent is integrally assembled and disassembled with an alcohol sprayer, and compared with the ship machines, the oil rail on the ship machines has larger volume and heavier mass, and when the whole assembly and disassembly of the injector is maintained and replaced, the risk of outward leakage of methanol fuel is uncontrollable, and the problem of health hazard and poisoning caused by direct contact of leaked methanol with operators is easy to occur; in addition, the whole disassembly and installation of the oil way requires independent lifting equipment, which is time-consuming, labor-consuming, high in cost and extremely inconvenient.
Disclosure of Invention
The utility model aims to provide an alcohol rail structure for treating methanol fuel backflow, which aims to solve the problem that the methanol fuel backflow is leaked outwards and is in direct contact with an operator to cause poisoning because the oil rail needs to be integrally lifted when an alcohol sprayer is dismounted.
In order to achieve the above object, the basic scheme of the present utility model is as follows: the utility model provides a handle alcohol rail structure of methanol fuel backward flow, includes supply alcohol mouth pipe joint, supplies alcohol mouth end cover, house steward subassembly, a plurality of U-shaped branch pipe subassembly, a plurality of alcohol spray device, row alcohol mouth end cover and row alcohol mouth pipe joint, house steward subassembly includes house steward body, sweeps the branch pipe, sweeps flange, a plurality of advances alcohol branch pipe and a plurality of advances alcohol flange, supply alcohol mouth end cover and row alcohol mouth end cover to fix respectively at the both ends of house steward body, supply alcohol mouth pipe joint to install on supplying alcohol mouth end cover, row alcohol mouth pipe joint to install on row alcohol mouth end cover, sweep the branch pipe and fix the one end that is close to supply alcohol mouth end cover at house steward body, it fixes on sweeping the branch pipe to sweep the flange, a plurality of advance alcohol branch pipe and fix on sweeping the house steward body between branch pipe and the row alcohol mouth end cover, a plurality of advance alcohol flange and fix respectively on a plurality of advance alcohol branch pipe, a plurality of U-shaped branch pipe subassembly is installed respectively on a plurality of advance alcohol flange, a plurality of spray device installs respectively at the tip of U-shaped branch pipe subassembly.
Further, the U-shaped branch pipe assembly comprises a branch pipe flange, a branch pipe ball valve, a U-shaped pipe and an adapter, wherein the branch pipe flange, the branch pipe ball valve, the U-shaped pipe and the adapter are sequentially connected, the branch pipe flange is connected with an alcohol inlet flange, and the alcohol sprayer is arranged on the adapter.
Further, the U-branch assembly also includes a bellows secured between the U-tube and the adapter.
Further, the device also comprises a purge ball valve, wherein the purge ball valve is arranged on the purge branch pipe.
Further, the connecting holes on the branch pipe flanges are waist-shaped holes.
Further, the alcohol supply port end cover and the alcohol discharge port end cover are respectively provided with eccentric threaded holes for installing the sensor.
Further, the two ends of the main pipe body are respectively provided with an internal thread, the alcohol supply port end cover and the alcohol discharge port end cover are respectively provided with an external thread, and the alcohol supply port end cover and the alcohol discharge port end cover are in threaded connection with the two ends of the main pipe body.
The beneficial effect of this scheme: (1) The methanol fuel is led out from the alcohol inlet branch pipe by utilizing a section of U-shaped pipe through the main pipe body and the U-shaped branch pipe component arranged on the upper part of the main pipe body, and the branch pipe ball valve is arranged at the inlet of the U-shaped pipe, so that the branch pipe ball valve is closed when the alcohol sprayer needs to be replaced or maintained, the problem of poisoning caused by direct contact between residual methanol in the main pipe body of the alcohol rail and the alcohol inlet branch pipe and an operator can be avoided, the field operation environment is improved, and the maintenance safety of the methanol engine is improved.
(2) This scheme is different from the mode that needs to take together the total dismantlement of alcohol rail on other engines and just can dismantle the sprayer, and this scheme is under the prerequisite that does not lift up alcohol rail house steward body, only need take off the U-shaped pipe subassembly and can take off the alcohol sprayer and change or maintain, has increased convenience, has improved maintenance efficiency.
(3) The methanol supply port pipe is connected with the methanol supplied by the screw pump at the front end of the methanol supply port pipe, the rear end of the ethanol discharge port pipe is provided with a three-way pipe, one end of the three-way pipe is provided with a switch ball valve, residual methanol can be purged to an oil tank or a special fuel recovery tank by compressed air when the switch ball valve is opened, the other end of the three-way pipe is connected with a rail pressure regulating valve, and overflowed fuel of the rail pressure regulating valve flows back to the oil tank or the special fuel recovery tank, so that the problem of poisoning caused by direct contact between residual methanol in a main pipe and a branch pipe pipeline of an alcohol rail is avoided.
(4) The front end of the purging flange is introduced with a compressed air source with the maximum pressure of 2MPa, and after the pressure in the alcohol rail is released when the engine stops, the methanol remained in the main pipe body and the U-shaped pipe of the alcohol rail can be fully and efficiently purged, so that the methanol residue is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic illustration of a specific configuration of a manifold assembly in accordance with an embodiment of the present utility model;
fig. 3 is a schematic diagram of the connection of the manifold assembly to the U-shaped branch assemblies in an embodiment of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Reference numerals in the drawings of the specification include: the alcohol supply port pipe joint 1, the alcohol supply port end cover 2, the purge ball valve 3, the main pipe assembly 4, the main pipe body 41, the purge branch pipe 42, the purge flange 43, the alcohol inlet branch pipe 44, the alcohol inlet flange 45, the U-shaped branch pipe assembly 5, the branch pipe flange 51, the branch pipe ball valve 52, the U-shaped pipe 53, the corrugated pipe 54, the adapter 55, the alcohol sprayer 6, the alcohol discharge port end cover 7 and the alcohol discharge port pipe joint 8.
Examples
Substantially as shown in figure 1: the utility model provides a handle alcohol rail structure of methanol fuel backward flow, including supplying alcohol mouth pipe joint 1, supply alcohol mouth end cover 2, house steward's subassembly 4, six U-shaped branch pipe subassemblies 5, six alcohol sprayers 6, arrange alcohol mouth end cover 7 and arrange alcohol mouth pipe joint 8, combine the fig. 2 to show, house steward's subassembly 4 includes house steward body 41, purge branch pipe 42, purge flange 43, purge ball valve 3, six advance alcohol branch pipe 44 and six advance alcohol flange 45, supply alcohol mouth end cover 2 and arrange the eccentric screw hole that is used for installing the sensor on alcohol mouth end cover 7, house steward body 41 both ends all are equipped with the internal thread, supply alcohol mouth end cover 2 and arrange alcohol mouth end cover 7 on all be equipped with the external screw thread, supply alcohol mouth end cover 2 and arrange alcohol mouth end cover 7 threaded connection at house steward body 41 both ends; the alcohol supply port end cover 2 and the alcohol discharge port end cover 7 are respectively provided with eccentric threaded holes for installing sensors, the alcohol supply port pipe joint 1 is installed on the alcohol supply port end cover 2, the alcohol discharge port pipe joint 8 is installed on the alcohol discharge port end cover 7, the purging branch pipe 42 is welded at one end of the main pipe body 41, which is close to the alcohol supply port end cover 2, the purging flange 43 is welded on the purging branch pipe 42, and the purging ball valve 3 is installed on the purging branch pipe 42; six inlet branch pipes 44 are welded on the main pipe body 41 between the purging branch pipe 42 and the alcohol outlet end cover 7, six inlet flanges 45 are respectively welded on the six inlet branch pipes 44, the U-shaped branch pipe assembly 5 is shown in combination with fig. 3 and comprises a branch pipe flange 51, a branch pipe ball valve 52, a U-shaped pipe 53, a corrugated pipe 54 and an adapter 55, the branch pipe flange 51, the branch pipe ball valve 52, the U-shaped pipe 53, the corrugated pipe 54 and the adapter 55 are sequentially connected, connecting holes on the branch pipe flange 51 are waist-shaped holes, the branch pipe flanges 51 of the six U-shaped branch pipe assemblies 5 are respectively connected with the six inlet flanges 45, and the alcohol sprayer 6 is arranged on the adapter 55.
The specific implementation process is as follows: the alcohol supply port pipe joint 1 receives the methanol with the maximum pressure of 1MPa supplied by the screw pump at the front end of the alcohol supply port pipe joint 1, the rear end of the alcohol discharge port pipe joint 8 is provided with a three-way pipe, one end of the three-way pipe is provided with a switch ball valve, residual methanol can be purged to an oil tank or a special fuel recovery tank by compressed air when the switch ball valve is opened, the other end of the three-way pipe is connected with a rail pressure regulating valve, the regulating range is within 1MPa, fuel overflowed by the rail pressure regulating valve flows back to the oil tank or the special fuel recovery tank, the front end of the purging flange 43 is introduced with a compressed air source with the maximum pressure of 2MPa, and after the engine stops working to release pressure in an alcohol rail, the methanol remained in the alcohol rail main pipe body 41 and the U-shaped pipe 53 can be purged comprehensively and efficiently.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.
The foregoing is merely an embodiment of the present utility model, and a specific structure and characteristics of common knowledge in the art, which are well known in the scheme, are not described herein, so that a person of ordinary skill in the art knows all the prior art in the application day or before the priority date of the present utility model, and can know all the prior art in the field, and have the capability of applying the conventional experimental means before the date, so that a person of ordinary skill in the art can complete and implement the present embodiment in combination with his own capability in the light of the present application, and some typical known structures or known methods should not be an obstacle for a person of ordinary skill in the art to implement the present application. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (7)
1. An alcohol rail structure for processing methanol fuel reflux, which is characterized in that: including supplying alcohol mouth pipe joint, supplying alcohol mouth end cover, house steward subassembly, a plurality of U-shaped branch pipe subassembly, a plurality of alcohol spray device, row alcohol mouth end cover and row alcohol mouth pipe joint, house steward subassembly includes house steward body, sweeps the branch pipe, sweeps flange, a plurality of advances alcohol branch pipe and a plurality of advances alcohol flange, supply alcohol mouth end cover and row alcohol mouth end cover to fix respectively at the both ends of house steward body, supply alcohol mouth pipe joint to install on supplying alcohol mouth end cover, row alcohol mouth pipe joint to install on row alcohol mouth end cover, it is close to the one end that supplies alcohol mouth end cover to sweep the branch pipe body, it fixes on sweeping the branch pipe to sweep the flange, a plurality of advance alcohol branch pipe is fixed on the house steward body between sweeping branch pipe and row alcohol mouth end cover, a plurality of advance alcohol flange and fix respectively on a plurality of advance alcohol branch pipe, a plurality of U-shaped branch pipe subassembly is installed respectively on a plurality of advance alcohol flange, a plurality of spout the tip at U-shaped branch pipe subassembly is installed respectively.
2. An alcohol rail structure for handling methanol fuel reflux as set forth in claim 1, wherein: the U-shaped branch pipe assembly comprises a branch pipe flange, a branch pipe ball valve, a U-shaped pipe and an adapter, wherein the branch pipe flange, the branch pipe ball valve, the U-shaped pipe and the adapter are sequentially connected, the branch pipe flange is connected with an alcohol inlet flange, and the alcohol sprayer is arranged on the adapter.
3. An alcohol rail structure for handling methanol fuel reflux as set forth in claim 2, wherein: the U-branch assembly further includes a bellows secured between the U-tube and the adapter.
4. An alcohol rail structure for handling methanol fuel reflux as set forth in claim 1, wherein: the device also comprises a purging ball valve, and the purging ball valve is arranged on the purging branch pipe.
5. An alcohol rail structure for handling methanol fuel reflux as set forth in claim 2, wherein: the connecting holes on the branch pipe flanges are waist-shaped holes.
6. An alcohol rail structure for handling methanol fuel reflux as set forth in claim 1, wherein: and eccentric threaded holes for installing the sensor are formed in the alcohol supply port end cover and the alcohol discharge port end cover.
7. An alcohol rail structure for handling methanol fuel reflux as set forth in claim 6, wherein: the main pipe body is characterized in that internal threads are arranged at two ends of the main pipe body, external threads are arranged on the alcohol supply port end cover and the alcohol discharge port end cover, and the alcohol supply port end cover and the alcohol discharge port end cover are in threaded connection with two ends of the main pipe body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321748776.2U CN220204024U (en) | 2023-07-05 | 2023-07-05 | Alcohol rail structure for treating methanol fuel backflow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321748776.2U CN220204024U (en) | 2023-07-05 | 2023-07-05 | Alcohol rail structure for treating methanol fuel backflow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220204024U true CN220204024U (en) | 2023-12-19 |
Family
ID=89154513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321748776.2U Active CN220204024U (en) | 2023-07-05 | 2023-07-05 | Alcohol rail structure for treating methanol fuel backflow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220204024U (en) |
-
2023
- 2023-07-05 CN CN202321748776.2U patent/CN220204024U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |