Methanol nozzle inspection system for methanol dual-fuel engine
By designing a methanol nozzle inspection system and simulating the engine environment to detect methanol nozzles, the problem of methanol nozzles being difficult to detect under harsh working conditions was solved, and efficient and accurate inspection results were achieved.
Patent Information
- Application Number
- CN202422747947.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-11-12
AI Technical Summary
The methanol nozzles of existing methanol dual-fuel engines are difficult to effectively inspect under harsh operating conditions, and the lack of a suitable inspection system makes maintenance difficult.
A methanol nozzle inspection system was designed, which included a methanol storage device, a methanol pump, a methanol nozzle mounting bracket, and a voltage control unit. By simulating the working environment of the nozzle in the engine, a transparent plate was used to observe the injection and atomization conditions, and the injection and exhaust functions were combined to achieve intuitive inspection.
The efficiency and accuracy of methanol nozzle inspection are improved, and the injection and atomization conditions can be observed visually to ensure the normal operation of the nozzle.
Smart Images

Figure CN223317955U_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the field of engine nozzle detection, and specifically relates to a methanol nozzle inspection system for a methanol dual-fuel engine. Background Art
[0002] Methanol dual-fuel engines are popular with many shipping companies due to their low-carbon, environmentally friendly, and fuel-efficient advantages. However, the methanol nozzle, a core component of methanol dual-fuel engines, operates under harsh conditions for extended periods of time. Due to a lack of suitable tooling, it is difficult to verify the proper function of the methanol nozzle during maintenance, making it difficult to perform external inspections. Utility Model Content
[0003] The technical problem to be solved by the present application is: to overcome the deficiencies of the existing technology and provide a methanol nozzle inspection system for a methanol dual-fuel engine. The present application can simulate the working environment of the methanol nozzle in the engine, thereby intuitively detecting whether the methanol nozzle is working normally.
[0004] The technical solution adopted by this application to solve the existing problems is:
[0005] A methanol nozzle inspection system for a methanol dual-fuel engine comprises a methanol storage device, a methanol pump, a methanol nozzle mounting bracket and a voltage control unit.
[0006] The methanol nozzle mounting bracket is used to install and fix the methanol nozzle.
[0007] The methanol pump is used to pump methanol in the methanol storage device into the methanol nozzle on the methanol nozzle mounting bracket.
[0008] The voltage control unit is used to control the switching of each methanol nozzle.
[0009] Preferably, a methanol filter is connected in series between the methanol pump and the methanol nozzle mounting bracket.
[0010] Preferably, the methanol nozzle mounting bracket comprises a shell with an open side wall, and a side of the shell opposite to the opening is a transparent plate.
[0011] The shell opening is fixedly connected with a plurality of spaced clamping tubes, the outer side of the clamping tubes is provided with liquid distribution tubes, and the side of the liquid distribution tubes facing the clamping tubes is provided with through tubes, and the through tubes are arranged one by one with the clamping tubes.
[0012] The liquid distribution pipe is detachably connected to the shell through a connecting device.
[0013] Preferably, the transparent plate is arranged vertically.
[0014] Preferably, the shell is provided with an air jet groove and a sewage drain groove on the upper and lower sides of the transparent plate respectively.
[0015] Preferably, an air jet pipe is provided inside the air jet groove, and a plurality of air jet holes are provided on the air jet pipe.
[0016] The outside of the sewage tank is connected with a sewage pipe.
[0017] Preferably, the air jet holes are arranged obliquely toward the transparent plate.
[0018] Preferably, the outside of the liquid distribution pipe is connected to the methanol pump through a liquid inlet pipe.
[0019] Preferably, fixing plates are provided on both sides of the open end surface of the shell, threaded holes are provided on the fixing plates, and the connecting device is a bolt, which passes through the through hole on the liquid distribution pipe and is threadedly connected to the threaded hole on the fixing plate.
[0020] Compared with the prior art, this application has the following beneficial effects:
[0021] (1) It can effectively improve the inspection efficiency and accuracy, and can effectively inspect whether the methanol nozzle is working properly.
[0022] (2) The material sprayed from the methanol nozzle is sprayed onto the transparent plate, and the spraying and atomization of the methanol nozzle can be visually observed through the landing point. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] The present application is further described below with reference to the accompanying drawings and examples.
[0024] Figure 1 This application is a flow chart of a methanol nozzle inspection system for a methanol dual-fuel engine.
[0025] Figure 2 This is a diagram of the structure of the methanol nozzle mounting bracket in a methanol nozzle inspection system for a methanol dual-fuel engine.
[0026] Figure 3 Exploded view of the methanol nozzle mounting bracket for this application.
[0027] Figure 4 Cross-sectional view of the methanol nozzle mounting bracket for this application.
[0028] Figure 5 for Figure 4 A partial enlarged view of point A in the middle.
[0029] In the figure: 1-shell, 101-injection groove, 102-drainage groove, 103-fixing plate, 2-clamping pipe, 3-liquid distribution pipe, 301-through pipe, 4-liquid inlet pipe, 5-connecting device, 6-injection pipe, 601-injection hole, 7-drainage pipe, 8-methanol nozzle. DETAILED DESCRIPTION
[0030] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of the components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve the technical problem within a certain error range and basically achieve the technical effect.
[0031] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only used to facilitate the description of the present application and simplify the description. They do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operate in a specific direction. Therefore, they should not be understood as limiting the present application.
[0032] In this application, unless otherwise specified or limited, the terms "mounted," "connected," "connect," "fixed," etc. should be understood broadly. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.
[0033] The accompanying drawings are the best embodiment of the methanol nozzle inspection system for a methanol dual-fuel engine. The present application will be further described in detail below in conjunction with the accompanying drawings.
[0034] Depend on Figure 1 As shown, a methanol nozzle inspection system for a methanol dual-fuel engine includes a methanol storage device, a methanol pump, a methanol nozzle mounting bracket and a voltage control unit.
[0035] The methanol nozzle mounting bracket is used to install and fix the methanol nozzle; the methanol pump is used to pump the methanol inside the methanol storage device into the methanol nozzle on the methanol nozzle mounting bracket; the voltage control unit is used to control the switch of each methanol nozzle.
[0036] A methanol filter is connected in series between the methanol pump and the methanol nozzle mounting bracket. A pressure regulating valve is connected in series with the methanol filter to maintain output pressure within a reasonable range. Methanol passes through the methanol pump, methanol filter, and pressure regulating valve and enters the methanol nozzle secured to the methanol nozzle mounting bracket. A voltage control unit is electrically connected to the plug of the methanol nozzle via a plug. The voltage control unit outputs an appropriate voltage signal to control the operation of the methanol nozzle, ultimately simulating the nozzle's operating environment within the engine.
[0037] Depend on Figures 2 to 5 As shown, the methanol nozzle mounting bracket includes a shell 1 with an open side wall, and the side of the shell 1 opposite to the open side is a transparent plate, and the transparent plate is arranged vertically.
[0038] Several spaced-apart clamping tubes 2 are fixedly connected to the open end of the shell 1, a liquid distribution tube 3 is provided on the outside of the clamping tube 2, a through tube 301 is provided on the side of the liquid distribution tube 3 facing the clamping tube 2, and the through tubes 301 are arranged one-to-one with the clamping tubes 2. The outside of the liquid distribution tube 3 is connected to the methanol pump through the liquid inlet pipe 4.
[0039] The liquid distribution pipe 3 is detachably connected to the housing 1 via a connecting device 5. In this embodiment, fixing plates 103 are provided on both sides of the open end surface of the housing 1. The fixing plates 103 are provided with threaded holes. The connecting device 5 is a bolt that passes through the through hole in the liquid distribution pipe 3 and is threadedly connected to the threaded hole in the fixing plate 103.
[0040] Housing 1 has an air jet slot 101 and a drain slot 102 recessed on the upper and lower sides of the transparent plate. Air jet slot 101 is penetrated by an air jet pipe 6, which is provided with a plurality of air jet holes 601, arranged obliquely toward the transparent plate. A drain pipe 7 is connected to the exterior of drain slot 102.
[0041] During operation, the methanol nozzle 8 is inserted into the clamping tube 2, and the through-tube 301 is inserted into the fuel inlet of the methanol nozzle 8. The liquid distribution tube 3 and the clamping tube 2 are then connected together to secure the methanol nozzle 8 via the connecting device 5. During testing, the liquid sprayed from the methanol nozzle 8 impacts the transparent plate of the housing 1. The shape of the plate is used to determine the spray quality and atomization of the methanol nozzle 8.
[0042] After the test is completed, high-pressure gas enters the jet pipe 6, and the high-pressure gas is sprayed onto the transparent plate through the jet hole 601, blowing the remaining liquid above into the drain tank 102, and then discharged through the drain pipe 7, which can be recovered after discharge.
[0043] The above describes the implementation methods of the present application in detail in conjunction with the accompanying drawings, but the present application is not limited to the above implementation methods. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present application.
Claims
1. A methanol nozzle inspection system for a methanol dual-fuel engine, characterized by: Includes a methanol storage device, a methanol pump, a methanol nozzle mounting bracket, and a voltage control unit; The methanol nozzle mounting bracket is used to install and fix the methanol nozzle; The methanol pump is used to pump the methanol in the methanol storage device into the methanol nozzle on the methanol nozzle mounting bracket; The voltage control unit is used to control the switch of each methanol nozzle; The methanol nozzle mounting bracket comprises a shell (1) with an open side wall, and a side of the shell (1) opposite to the open side is a transparent plate; A plurality of spaced-apart clamping tubes (2) are fixedly connected to the open portion of the shell (1); a liquid distribution tube (3) is provided on the outside of the clamping tube (2); a through tube (301) is provided on the side of the liquid distribution tube (3) facing the clamping tube (2); and the through tube (301) and the clamping tube (2) are arranged in a one-to-one correspondence; The liquid distribution pipe (3) is detachably connected to the housing (1) via a connecting device (5).
2. The methanol nozzle inspection system for a methanol dual-fuel engine according to claim 1, characterized in that: A methanol filter is connected in series between the methanol pump and the methanol nozzle mounting bracket.
3. A methanol nozzle inspection system for a methanol dual-fuel engine according to claim 1 or 2, characterized in that: The transparent plates are arranged vertically.
4. The methanol nozzle inspection system for a methanol dual-fuel engine according to claim 3, characterized in that: The shell (1) is located on the upper and lower sides of the transparent plate and is respectively provided with an air jet groove (101) and a sewage drain groove (102).
5. The methanol nozzle inspection system for a methanol dual-fuel engine according to claim 4, characterized in that: An air jet pipe (6) is provided inside the air jet groove (101), and a plurality of air jet holes (601) are provided on the air jet pipe (6); The outside of the sewage trough (102) is connected to a sewage pipe (7).
6. The methanol nozzle inspection system for a methanol dual-fuel engine according to claim 5, characterized in that: The air injection holes (601) are arranged obliquely toward the transparent plate.
7. A methanol nozzle inspection system for a methanol dual-fuel engine according to any one of claims 3 to 6, characterized in that: The exterior of the liquid distribution pipe (3) is connected to a methanol pump via a liquid inlet pipe (4).
8. A methanol nozzle inspection system for a methanol dual-fuel engine according to any one of claims 3 to 6, characterized in that: Fixing plates (103) are provided on both sides of the open end surface of the shell (1), and threaded holes are provided on the fixing plates (103). The connecting device (5) is a bolt, which passes through the through hole on the liquid distribution pipe (3) and is threadedly connected to the threaded hole on the fixing plate (103).