Device for testing oil consumption of methanol fuel engine
Through the fuel consumption device with pressure regulation and temperature control, the problem of high measurement cost of methanol fuel engine fuel is solved, and the measurement effect of low-cost and preventing methanol corrosion is achieved.
Patent Information
- Application Number
- CN202421894847.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-07
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-08-07
AI Technical Summary
In the prior art, the fuel consumption measurement device of a methanol fuel engine is expensive, and the low boiling point of methanol causes methanol to boil and become other substances during the measurement process, and a special methanol-resistant fuel consumption meter is required.
A fuel consumption device is designed, using a pressure regulating device and a heat exchanger to reduce costs by adjusting the flow rate and temperature of methanol, combined with a flowmeter, and using ordinary parts to prevent corrosion by steel lining PTFE material.
A low-cost measurement of methanol fuel engine fuel consumption is realized, preventing methanol from boiling during the measurement process, and reducing the production cost and corrosion risk of the device.
Smart Images
Figure CN223154519U_ABST
Abstract
Description
Technical Field
[0001] This application belongs to the technical field of engine testing, and specifically relates to a fuel consumption device for testing methanol fuel engines. Background Art
[0002] Currently, there are quite a few methanol fuel engines undergoing tests. It is necessary to supply methanol with a fixed pressure to the engine and measure its consumption. Since the boiling point of methanol is relatively low, a special fuel consumption meter resistant to methanol needs to be purchased for the test during measurement to prevent methanol from turning into other substances due to boiling during the measurement process. However, the purchase price of a special fuel consumption meter resistant to methanol is expensive. Utility Model Content
[0003] The main purpose of this application is to address the shortcomings of the existing technology. By adopting a method of mutually cooperating a pressure regulating device, a heat exchanger, and a flow meter, a fuel consumption device for testing methanol fuel engines is designed. By adjusting the flow rate of the output methanol through the pressure regulating device and controlling the temperature of the output methanol through the heat exchanger, the problem of how to manufacture a fuel consumption device for testing methanol fuel engines with low cost is solved.
[0004] To achieve the above purpose, the technical solution adopted in this application is:
[0005] A fuel consumption device for testing methanol fuel engines includes a methanol storage container, a pump, a pressure regulating device, a heat exchanger, and a flow meter. The pump and the pressure regulating device are connected in parallel through a pipeline. The input end after the parallel connection of the pump and the pressure regulating device is connected to the inside of the methanol storage container through a pipeline. The output end after the parallel connection of the pump and the pressure regulating device is connected to the liquid input end of the heat exchanger through a pipeline. The liquid output end of the heat exchanger is connected to the liquid input end of the flow meter through a pipeline.
[0006] Preferably, it further includes a pressure reducing valve, which is arranged between the output end after the parallel connection of the pump and the pressure regulating device and the heat exchanger.
[0007] Preferably, the methanol storage container is a fuel tank.
[0008] Preferably, the pressure regulating device is a pressure regulating valve.
[0009] Preferably, the inner walls of the methanol storage container, the pump, the pressure regulating device, the heat exchanger, the flow meter, and the pipeline are all coated with steel-lined PTFE material.
[0010] Preferably, the flow meter adopts a Coriolis flow meter.
[0011] Preferably, it further includes a PLC single-chip microcomputer, and the Coriolis flowmeter, pressure reducing valve, and pump are all connected to the PLC single-chip microcomputer in signal.
[0012] Compared with the prior art, the present application has the following beneficial effects:
[0013] 1. The present application adopts a method of setting up a pressure regulating device, a heat exchanger, and a flowmeter to cooperate with each other, and designs a fuel consumption device for testing a methanol fuel engine. By adjusting the flow rate of the output methanol through the pressure regulating device and controlling the temperature of the output methanol through the heat exchanger, the problem of how to manufacture a low-cost fuel consumption device for testing a methanol fuel engine is solved.
[0014] 2. The design of the pressure reducing valve in the present application is to reduce the pressure of the methanol input into the methanol fuel engine according to the actual situation.
[0015] 3. The present application uses a steel-lined PTFE material to prevent methanol from corroding the inner walls of the methanol storage container, the pump, the pressure regulating device, the heat exchanger, the flowmeter, and the pipeline. Description of the Drawings
[0016] Figure 1 It is a structural schematic diagram of the present application.
[0017] Among them, 1. Pump; 2. Heat exchanger; 3. Flowmeter; 4. Pressure reducing valve; 5. Pressure regulating valve; 6. Fuel tank; 7. PLC single-chip microcomputer; 8. Methanol fuel engine. Detailed Embodiment
[0018] As Figure 1 shown, a fuel consumption device for testing a methanol fuel engine includes a methanol storage container, a pump 1, a pressure regulating device, a heat exchanger 2, and a flowmeter 3. The pump 1 and the pressure regulating device are connected in parallel through a pipeline. The input ends after the parallel connection of the pump 1 and the pressure regulating device are connected to the inside of the methanol storage container through a pipeline. The output ends after the parallel connection of the pump 1 and the pressure regulating device are connected to the liquid input end of the heat exchanger 2 through a pipeline. The liquid output end of the heat exchanger 2 is connected to the liquid input end of the flowmeter 3 through a pipeline.
[0019] In this embodiment, during use, the liquid output end of the flow meter 3 is connected to the methanol input end of the methanol fuel engine 8, so that the pump 1 can transport the methanol in the methanol storage container into the methanol fuel engine 8. During the process of transporting the methanol into the methanol fuel engine 8, the pump 1 is used to provide the kinetic energy for transportation, and the pressure output by the pump 1 is regulated by a pressure regulating device. The pressure regulating device regulates the pressure output by the pump 1 by means of shunting. If the pressure of the pump 1 is too high, part of the methanol is shunted back into the methanol storage container through the pressure regulating device; due to the transportation of the pump 1, heat is generated during the movement of the methanol. In order to prevent the methanol temperature from being too high, a heat exchanger 2 is used to exchange heat and cool the methanol to ensure the purity of the methanol entering the methanol fuel engine 8, because methanol is prone to decomposition when the temperature is too high (higher than 70 degrees Celsius). After such a design, since the parts used are all ordinary parts and are cheap, the problem of how to manufacture a low-cost fuel consumption device for testing a methanol fuel engine is solved.
[0020] As a preferred method, a pressure reducing valve 4 is further included, and the pressure reducing valve 4 is arranged between the output end after the parallel connection of the pump 1 and the pressure regulating device and the heat exchanger 2. The design of the pressure reducing valve 4 is to reduce the pressure of the methanol input into the methanol fuel engine 8 according to the actual situation.
[0021] As a preferred method, the methanol storage container is a fuel tank 6.
[0022] As a preferred method, the pressure regulating device is a pressure regulating valve 5. The design of the pressure regulating valve 5 is to shunt a part of the high pressure output by the pump 1 into the methanol storage container by means of shunting. Here, the first pressure regulation is carried out, and the second regulation is the pressure reducing valve 4.
[0023] As a preferred method, the inner walls of the methanol storage container, the pump 1, the pressure regulating device, the heat exchanger 2, the flow meter 3, and the pipeline are all coated with steel-lined PTFE material. In this way, using the steel-lined PTFE material can prevent the inner walls of the methanol storage container, the pump 1, the pressure regulating device, the heat exchanger 2, the flow meter 3, and the pipeline from being corroded by methanol.
[0024] As a preferred method, the flow meter 3 adopts a Coriolis flow meter. After such a design, the pressure of the entire device can be regulated through an industrial control computer or a PLC single-chip microcomputer.
[0025] As a preferred embodiment, it further includes a PLC single-chip microcomputer 7. The pressure reducing valve 4, the pump 1, and the pressure regulating valve 5 are all signal-connected to the signal output end of the PLC single-chip microcomputer 7, and the Coriolis flowmeter is signal-connected to the signal input end of the PLC single-chip microcomputer 7. In this way, the PLC single-chip microcomputer 7 can control the pressure reducing valve 4, the pump 1, and the pressure regulating valve 5 through the signals fed back by the Coriolis flowmeter, so that the flow rate of methanol entering the Coriolis flowmeter meets the preset value.
Claims
1. An oil consumption device for testing a methanol fuel engine, characterized in that, It includes a methanol storage container, a pump (1), a pressure regulating device, a heat exchanger (2), and a flowmeter (3). The pump (1) and the pressure regulating device are connected in parallel through pipelines. The input end after the parallel connection of the pump (1) and the pressure regulating device is connected to the inside of the methanol storage container through a pipeline. The output end after the parallel connection of the pump (1) and the pressure regulating device is connected to the liquid input end of the heat exchanger (2) through a pipeline. The liquid output end of the heat exchanger (2) is connected to the liquid input end of the flowmeter (3) through a pipeline.
2. The fuel consumption device for testing a methanol fuel engine according to claim 1, characterized in that, It further includes a pressure reducing valve (4), and the pressure reducing valve (4) is arranged between the output end after the parallel connection of the pump (1) and the pressure regulating device and the heat exchanger (2).
3. The fuel consumption device for testing a methanol fuel engine according to claim 1, characterized in that, The methanol storage container is an oil tank (6).
4. The fuel consumption device for testing a methanol fuel engine according to claim 1, characterized in that, The pressure regulating device is a pressure regulating valve (5).
5. The fuel consumption device for testing a methanol fuel engine according to claim 1, characterized in that The inner walls of the methanol storage container, the pump (1), the pressure regulating device, the heat exchanger (2), the flowmeter (3), and the pipelines are all coated with a steel-lined PTFE material.
6. The fuel consumption device for testing a methanol fuel engine according to claim 2, wherein, The flowmeter (3) adopts a Coriolis flowmeter.
7. A fuel consumption device for testing a methanol fuel engine according to claim 6, characterized in that, It further includes a PLC single-chip microcomputer (7), and the Coriolis flowmeter, the pressure reducing valve (4), and the pump (1) are all signal-connected to the PLC single-chip microcomputer (7).