CN215595754U - Engine water removal system - Google Patents
Engine water removal system Download PDFInfo
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- CN215595754U CN215595754U CN202120918811.5U CN202120918811U CN215595754U CN 215595754 U CN215595754 U CN 215595754U CN 202120918811 U CN202120918811 U CN 202120918811U CN 215595754 U CN215595754 U CN 215595754U
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Abstract
The embodiment of the application discloses a system for engine dewatering for reduce because the steam that produces among the engine operation process condenses into water or ice and causes the problem of EGR valve jamming, and then reduce the problem that whole car power is not enough and the emission exceeds standard. The embodiment of the application comprises the following steps: the system comprises an engine, a mixer, an EGR valve, an EGR cooler and a filter membrane filtering unit; the engine is respectively connected with the EGR cooler and the mixer, the EGR cooler is used for receiving and cooling gas-liquid waste gas generated by the engine, and the mixer is used for mixing fuel, the gas-liquid waste gas and air in a preset proportion and inputting the mixture into the engine; the EGR valve is respectively connected with the EGR cooler and the filter membrane filtering unit, and is used for controlling the flow of cooled gas-liquid waste gas introduced into the mixer; the filter membrane filtration unit is connected with the mixer; and a filter membrane is arranged in the filter membrane filtering unit and is used for filtering moisture in the gas-liquid waste gas.
Description
Technical Field
The embodiment of the application relates to the field of gas engines, in particular to a system for removing water from an engine.
Background
The air intake system of the gas engine is an important component of the vehicle and provides power for the whole vehicle to drive each module.
The fuel gas passes through a high-pressure cut-off valve, a voltage stabilizer, a filter, a low-pressure cut-off valve, a fuel gas injection component and the like from the fuel tank, is fully mixed with the pressurized and intercooled fresh air and the cooled exhaust gas of the EGR cooler in a mixer, is combusted in an engine combustion chamber, and sends power to the whole vehicle to drive the whole vehicle to run. After the engine combusts and delivers power to the vehicle, a large amount of exhaust gas is generated, i.e., high temperature exhaust gas is introduced from the engine exhaust. These high-temperature exhaust gases need to be passed through an EGR cooler to form cooled exhaust gases, and the amount of intake of the exhaust gases is controlled by the opening degree of an EGR valve to control the amount of cooled exhaust gases entering a mixer.
However, in the process of cooling exhaust gas by the EGR cooler, because the exhaust gas of the engine contains water vapor, the water vapor is condensed into water (even ice) after passing through the EGR cooler, so that the EGR valve is stuck, the control of the entering amount of the exhaust gas is influenced, and the problems of insufficient power of the whole vehicle, excessive emission and the like are caused.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a system of engine dewatering, includes:
the system comprises an engine, a mixer, an EGR valve, an EGR cooler and a filter membrane filtering unit;
the engine is respectively connected with the EGR cooler and the mixer, the EGR cooler is used for receiving and cooling gas-liquid waste gas generated by the engine, and the mixer is used for mixing fuel, the gas-liquid waste gas and air in a preset proportion and inputting the mixture into the engine;
the EGR valve is respectively connected with the EGR cooler and the filter membrane filtering unit, and is used for controlling the flow of cooled gas-liquid waste gas introduced into the mixer;
the filter membrane filtration unit is connected with the mixer;
and a filter membrane is arranged in the filter membrane filtering unit and is used for filtering moisture in the gas-liquid waste gas.
Optionally, an EGR valve base is arranged on the EGR valve;
the EGR valve is connected with the mixer through the EGR valve base.
Optionally, a filtrate collecting cavity is arranged on the filter membrane filtering unit, and the filtrate collecting cavity is used for collecting the water filtered by the filter membrane filtering unit.
Optionally, the system further comprises a cooling water conduit and a cooling water tank.
The cooling water pipe is respectively connected with the filtering object collecting cavity and the cooling water tank, the cooling water pipe is used for guiding the moisture stored in the filtering object collecting cavity into the cooling water tank, and the cooling water tank is used for storing and calling cooling water to cool the whole vehicle.
Optionally, the filter membrane filtration unit is provided with an object discharge port, the object discharge port is perpendicular to the ground and is arranged at the lower end of the filter membrane filtration unit and communicated with the outside, and the object discharge port is used for discharging water filtered by the filter membrane filtration unit.
Optionally, the system further comprises a pressure sensing device;
the pressure sensing device is arranged on the filter membrane filtering unit and used for sensing the exhaust pressure of the EGR cooler and controlling the filter membrane filtering unit to discharge water through the discharge port.
Optionally, the mixer is provided with an air inlet for controlling the flow of air into the mixer.
Optionally, the mixer is provided with a fuel inlet for controlling the flow of fuel into the mixer.
Optionally, a mixer outlet is arranged on the mixer, and the mixer outlet is used for introducing the fully mixed fuel, gas-liquid waste gas and air into the engine.
Optionally, the filter membrane consists of an expanded polytetrafluoroethylene filter membrane and a support keel.
According to the technical scheme, the embodiment of the application has the following advantages:
the system comprises an engine, a mixer, an EGR valve, an EGR cooler and a filter membrane filtering unit;
the engine is respectively connected with the EGR cooler and the mixer, the EGR cooler is used for receiving and cooling gas-liquid waste gas generated by the engine, and the mixer is used for mixing fuel, the gas-liquid waste gas and air in preset proportion and inputting the mixture into the engine. The EGR valve is respectively connected with the EGR cooler and the filter membrane filtering unit, and the EGR valve is used for controlling the flow of the cooled gas-liquid waste gas introduced into the mixer. The filter membrane filtration unit is connected with the mixer, a filter membrane is arranged in the filter membrane filtration unit, and the filter membrane is used for filtering moisture in the gas-liquid waste gas. Through set up filter membrane filtration unit between EGR valve and blender, through the filter membrane that sets up in the filter membrane filtration unit, filter the moisture in the gas-liquid waste gas, reduced because the vapor that the engine operation in-process produced condenses into water or ice and causes the problem of EGR valve jamming, and then reduces the problem that whole car power is not enough and the emission exceeds standard.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a system for engine water removal;
FIG. 2 is a schematic diagram of another embodiment of a system for engine water removal;
FIG. 3 is a schematic diagram of a portion of an engine water removal system;
FIG. 4 is another schematic diagram of a portion of an engine water removal system.
Detailed Description
The technical solutions in the present application will be described clearly and completely with reference to the accompanying drawings in the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application discloses a system for engine dewatering for reduce because the steam that produces among the engine operation process condenses into water or ice and causes the problem of EGR valve jamming, and then reduce the problem that whole car power is not enough and the emission exceeds standard.
Referring to fig. 1 to 4, an embodiment of the present application provides a system for engine water removal, including:
an engine 1, a mixer 2, an EGR valve 3, an EGR cooler 4 and a membrane filtration unit 5;
the engine is respectively connected with the EGR cooler and the mixer, the EGR cooler is used for receiving and cooling gas-liquid waste gas generated by the engine, and the mixer is used for mixing fuel, the gas-liquid waste gas and air in a preset proportion and inputting the mixture into the engine;
the EGR valve is respectively connected with the EGR cooler and the filter membrane filtering unit, and is used for controlling the flow of cooled gas-liquid waste gas introduced into the mixer;
the filter membrane filtration unit is connected with the mixer;
and a filter membrane is arranged in the filter membrane filtering unit and is used for filtering moisture in the gas-liquid waste gas.
The mixer mixes the air, fuel and waste gas in preset proportion in the mixer, and the mixture is then fed into each cylinder of the engine through the air inlet connecting pipe, and the engine takes the mixture as the driving raw material.
During operation of the engine, exhaust gases are generated, which are typically gas-liquid exhaust gases containing a large amount of moisture. Meanwhile, the gas-liquid waste gas has the characteristic of high temperature because the gas-liquid waste gas is just combusted by the engine, and the engine is connected with the EGR cooler to introduce the high-temperature gas-liquid waste gas into the EGR cooler for cooling. EGR is Exhaust Gas Recirculation (Exhaust Gas Recirculation), and an internal combustion engine separates a part of Exhaust Gas after combustion, introduces the separated Exhaust Gas into a mixer to mix fuel, air, and Exhaust Gas, and allows the intake side of the engine to enter the engine for combustion again.
Through the gas-liquid waste gas of EGR cooler cooling, can make moisture wherein change back liquid water or even ice from the gaseous state, liquid water or ice can cause EGR valve jamming for waste gas gets into the blender and receives the hindrance, influences the entering volume control of waste gas. Therefore, the filter membrane filtering unit is added behind the EGR valve, and liquid water or ice in the filter membrane filtering unit is filtered through the filter membrane in the filter membrane filtering unit, so that the waste gas is prevented from entering the mixer and being blocked. The problem of EGR valve clamping stagnation caused by water vapor condensed into water or ice generated in the running process of the engine is solved, and the problems of insufficient power of the whole vehicle and excessive emission are solved.
In this embodiment, the engine is connected to the EGR cooler and the mixer, respectively, the EGR cooler is configured to receive and cool the gas-liquid exhaust gas generated by the engine, and the mixer is configured to mix fuel, the gas-liquid exhaust gas, and air at a preset ratio and input the mixture to the engine. The EGR valve is respectively connected with the EGR cooler and the filter membrane filtering unit, and the EGR valve is used for controlling the flow of the cooled gas-liquid waste gas introduced into the mixer. The filter membrane filtration unit is connected with the mixer, a filter membrane is arranged in the filter membrane filtration unit, and the filter membrane is used for filtering moisture in the gas-liquid waste gas. Through set up filter membrane filtration unit between EGR valve and blender, through the filter membrane that sets up in the filter membrane filtration unit, filter the moisture in the gas-liquid waste gas, reduced because the vapor that the engine operation in-process produced condenses into water or ice and causes the problem of EGR valve jamming, and then reduces the problem that whole car power is not enough and the emission exceeds standard.
Optionally, an EGR valve base 6 is arranged on the EGR valve;
the EGR valve is connected with the mixer through the EGR valve base.
Optionally, a filtrate collecting cavity is arranged on the filter membrane filtering unit, and the filtrate collecting cavity is used for collecting the water filtered by the filter membrane filtering unit.
Optionally, the system further comprises a cooling water conduit 7 and a cooling water tank 8.
The cooling water pipe is respectively connected with the filtering object collecting cavity and the cooling water tank, the cooling water pipe is used for guiding the moisture stored in the filtering object collecting cavity into the cooling water tank, and the cooling water tank is used for storing and calling cooling water to cool the whole vehicle.
The filter membrane filtering unit is provided with the filter substance collecting cavity special for storing moisture, and can collect some impurity particles besides collecting the moisture so as to prevent the moisture from entering the mixer from the filter membrane filtering unit and causing the clamping stagnation of the EGR valve.
Through setting up cooling water pipe and coolant tank, pass through the cooling water pipe with the moisture in filtering thing collection chamber and transmit to coolant tank in, a large amount of cooling water have been saved among the coolant tank for cool down to a plurality of thermal structures of production in the vehicle operation process.
Optionally, the filter membrane filtration unit is provided with an object discharge port 10, the object discharge port is perpendicular to the ground and is arranged at the lower end of the filter membrane filtration unit and communicated with the outside, and the object discharge port is used for discharging water filtered by the filter membrane filtration unit.
Be provided with row's thing mouth on the filter membrane filtration unit, after filtering moisture and foreign particle, except that in transmitting moisture to the cooling water tank through the cooling water pipe, can also discharge through row thing mouth, avoid excessive backlog to lead to blockking up entire system. In this embodiment, the moisture and the foreign particles that are intercepted flow to filter membrane filter unit's bottom and discharge under the action of gravity to prevent that the blender from gathering the liquid and then appearing the phenomenon of icing, promote EGR system reliability, can solve because of the flameout problem that the EGR blender freezes and leads to.
Optionally, the system further comprises a pressure sensing device 9;
the pressure sensing device is arranged on the filter membrane filtering unit and used for sensing the exhaust pressure of the EGR cooler and controlling the filter membrane filtering unit to discharge water through the discharge port.
After the engine is started and before the engine is stopped by a driver, the exhaust pressure in the EGR cooler 4 fluctuates by a simple operation mode of deeply stepping on an accelerator, releasing the accelerator and the like by the driver, so that automatic material discharge after the filter membrane filter unit is started and before the engine is stopped is realized, and simple and easy pulse air intake and water removal control of the whole gas engine after the engine is started and before the engine is stopped is realized.
The inlet air flow direction of the mixer is in the horizontal direction, the arrangement of the filter membrane filtering unit is vertical downwards, and a large amount of water molecules in the waste gas are gathered at the bottom of the filter membrane filtering unit after colliding with the filter membrane by utilizing gravity, so that the water molecules are led out of the engine or led into cooling water circulation.
Optionally, an air inlet 11 is provided in the mixer for controlling the flow of air into the mixer.
Optionally, the mixer is provided with a fuel inlet 12 for controlling the flow of fuel into the mixer.
Optionally, a mixer outlet 13 is arranged on the mixer, and the mixer outlet is used for introducing the fully mixed fuel, gas-liquid waste gas and air into the engine.
The mixer mixes the fuel, the exhaust gas, and the air through the mixer core 14.
Optionally, the filter membrane consists of an expanded polytetrafluoroethylene filter membrane and a support keel.
In this embodiment, the core component of the filter membrane filtration unit is a filter membrane, which is a screen-like filter element and is composed of a microporous expanded Polytetrafluoroethylene (PTFE) filter membrane and a support keel, and is characterized by an extremely high aperture ratio, an extremely small aperture, excellent chemical stability, smooth surface, porosity, low friction coefficient, good filtration effect, and capability of retaining particles with a small particle size in liquid on the surface of the membrane. Because of low friction coefficient, the filter membrane has excellent non-stickiness, the surface is easy to clean, the filter membrane is extremely thin, the number of holes is large, and the filtering resistance is extremely low. The water filtered from the EGR cooler flows down the membrane by gravity, is collected and drawn off at the base of the membrane filtration unit. The filter membrane has high air permeability and water resistance, and is widely applied to various fields, such as smelting, salt water refining, wastewater treatment and the like. In the embodiment, the filter membrane is applied to the filter membrane filtration unit, and the filter membrane has the advantages of good maintainability, easy cleaning, low filtration resistance, good filtration effect, convenient installation, low cost and high reliability of parts, so that the icing fault of the mixer can be solved, and the reliability of the engine and the working stability of the engine are improved.
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for explaining relative positional relationships between the respective members or components, and do not particularly limit specific mounting orientations of the respective members or components.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In addition, the structures, the proportions, the sizes, and the like, which are illustrated in the accompanying drawings and described in the present application, are intended to be considered illustrative and not restrictive, and therefore, not limiting, since those skilled in the art will understand and read the present application, it is understood that any modifications of the structures, changes in the proportions, or adjustments in the sizes, which are not necessarily essential to the practice of the present application, are intended to be within the scope of the present disclosure without affecting the efficacy and attainment of the same.
Claims (10)
1. A system for engine water removal, comprising:
the system comprises an engine, a mixer, an EGR valve, an EGR cooler and a filter membrane filtering unit;
the engine is respectively connected with the EGR cooler and the mixer, the EGR cooler is used for receiving and cooling gas-liquid waste gas generated by the engine, and the mixer is used for mixing fuel, the gas-liquid waste gas and air in a preset proportion and inputting the mixture into the engine;
the EGR valve is respectively connected with the EGR cooler and the filter membrane filtering unit, and is used for controlling the flow of cooled gas-liquid waste gas introduced into the mixer;
the filter membrane filtration unit is connected with the mixer;
and a filter membrane is arranged in the filter membrane filtering unit and is used for filtering moisture in the gas-liquid waste gas.
2. The system of claim 1, wherein the EGR valve has an EGR valve seat disposed thereon;
the EGR valve is connected with the mixer through the EGR valve base.
3. The system as claimed in claim 1, wherein the membrane filtration unit is provided with a filtrate collecting chamber for collecting the water filtered by the membrane filtration unit.
4. The system of claim 3, further comprising a cooling water conduit and a cooling water tank;
the cooling water pipe is respectively connected with the filtering object collecting cavity and the cooling water tank, the cooling water pipe is used for guiding the moisture stored in the filtering object collecting cavity into the cooling water tank, and the cooling water tank is used for storing and calling cooling water to cool the whole vehicle.
5. The system as claimed in any one of claims 1 to 4, wherein the membrane filtration unit is provided with an exhaust port, the exhaust port is perpendicular to the ground and is arranged at the lower end of the membrane filtration unit and is communicated with the outside, and the exhaust port is used for exhausting the moisture filtered by the membrane filtration unit.
6. The system of claim 5, further comprising a pressure sensing device;
the pressure sensing device is arranged on the filter membrane filtering unit and used for sensing the exhaust pressure of the EGR cooler and controlling the filter membrane filtering unit to discharge water through the discharge port.
7. A system according to any one of claims 1 to 4, wherein an air inlet is provided in the mixer for controlling the flow of air into the mixer.
8. A system according to any one of claims 1 to 4, wherein a fuel inlet is provided in the mixer for controlling the flow of fuel into the mixer.
9. The system of any one of claims 1 to 4, wherein a mixer outlet is provided on the mixer for passing the thoroughly mixed fuel, gas-liquid exhaust gas and air to the engine.
10. The system of any one of claims 1 to 4, wherein the filter membrane is comprised of an expanded polytetrafluoroethylene filter membrane and a support keel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120918811.5U CN215595754U (en) | 2021-04-29 | 2021-04-29 | Engine water removal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120918811.5U CN215595754U (en) | 2021-04-29 | 2021-04-29 | Engine water removal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215595754U true CN215595754U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120918811.5U Active CN215595754U (en) | 2021-04-29 | 2021-04-29 | Engine water removal system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215595754U (en) |
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2021
- 2021-04-29 CN CN202120918811.5U patent/CN215595754U/en active Active
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