CN211598777U - Methanol engine - Google Patents

Abstract

The utility model relates to a methanol engine technical field, concretely relates to methanol engine. The methanol engine comprises an oil pump, a separating device and an oil pan, wherein the oil pump is communicated with the oil pan through a first oil duct, and the oil pump is communicated with the separating device through a second oil duct; and the separation device is provided with a heating unit and is communicated with the oil pan through a third oil duct. The utility model discloses an among the methanol engine, the oil pump pass through the second oil duct with separator intercommunication, separator pass through the third oil duct with the oil pan intercommunication has increased separator between oil pump and oil pan. The heating mode is adopted to heat the flowing engine oil, so that the methanol in the engine oil is volatilized, and the methanol in the engine oil is separated by the mode, so that the service life of the engine oil is prolonged.

Description

Methanol engine

Technical Field

The utility model relates to a methanol engine technical field, concretely relates to methanol engine.

Background

During start-up, warm-up and low load operation of a methanol engine, partially unburned methanol fuel may enter the oil pan. The low-load working condition of long-time operation, along with the accumulation of operating time, the methyl alcohol that gets into the oil pan can increase gradually, causes the pollution to machine oil and makes machine oil emulsification, reduces the machine oil life-span. The engine oil in the engine passes through parts and components which are seriously influenced, and further the service life of the engine is influenced. Therefore, the separation of methanol from the engine oil is particularly critical.

The methanol entering the oil pan of the existing methanol engine can be gradually increased, so that the engine oil is polluted to emulsify the engine oil, and the service life of the engine oil is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current methyl alcohol engine at least, the methyl alcohol that gets into the oil pan can increase gradually, causes the pollution to make machine oil emulsification to machine oil, reduces the problem in machine oil life-span. The purpose is realized by the following technical scheme:

the utility model provides a methanol engine in a first aspect, which comprises an oil pump, a separation device and an oil pan,

the oil pump is communicated with the oil pan through a first oil duct, and the oil pump is communicated with the separation device through a second oil duct;

and the separation device is provided with a heating unit and is communicated with the oil pan through a third oil duct.

According to the utility model discloses an among the methyl alcohol engine, the oil pump pass through the second oil duct with separator intercommunication, separator pass through the third oil duct with the oil pan intercommunication has increased separator between oil pump and oil pan. The heating mode is adopted to heat the flowing engine oil, so that the methanol in the engine oil is volatilized, and the methanol in the engine oil is separated by the mode, so that the service life of the engine oil is prolonged.

In addition, according to the utility model discloses a methanol engine still can have following additional technical characterstic:

in some embodiments of the present invention, the separation device is in communication with the gas-oil separator via an air passage.

In some embodiments of the present invention, a filter screen is disposed in the air passage, and the filter screen is close to the inlet of the air passage.

In some embodiments of the invention, the air passage is disposed at the top of the separation device.

In some embodiments of the present invention, the heating unit includes a heating circuit and a heating wire, the heating circuit is electrically connected to the heating wire, and the heating wire is disposed outside the second oil passage.

In some embodiments of the present invention, a thermistor is disposed on the heating circuit, and the thermistor can be connected to or disconnected from the heating circuit.

In some embodiments of the present invention, the heating circuit is electrically connected to a power supply, and the voltage of the power supply is 60V.

In some embodiments of the present invention, a bypass valve is disposed between the oil pump and the second oil passage.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:

fig. 1 schematically shows a connection schematic of a methanol engine according to an embodiment of the present invention.

The reference numerals in the drawings denote the following:

1: an oil pump; 2: an oil pan; 3: a first oil passage; 4: a second oil passage; 5: a separation device; 6: an oil-gas separator; 7: an airway; 8: a filter screen; 9: a third oil passage; 10: a bypass valve.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The utility model provides a methanol engine, this methanol engine can reduce methyl alcohol content in the machine oil, and then reduce machine oil emulsification risk.

As shown in fig. 1, the methanol engine in the present embodiment includes an oil pump 1, a separation device 5, and an oil pan 2, the oil pump 1 communicates with the oil pan 2 through a first oil passage 3, and the oil pump 1 communicates with the separation device 5 through a second oil passage 4; a heating unit is provided on the separator 5, and the separator 5 communicates with the oil pan 2 through a third oil passage 9.

The temperature in the separation device 5 is ensured to be higher than 70 ℃, so that the methanol in the engine oil is volatilized.

The oil pump 1 is communicated with the separating device 5 through the second oil passage 4, the separating device 5 is communicated with the oil pan 2 through the third oil passage 9, and the separating device 5 is additionally arranged between the oil pump 1 and the oil pan 2. The heating mode is adopted to heat the flowing engine oil so as to volatilize the methanol in the engine oil. Thereby reducing the risk of engine oil emulsification and improving the reliability and the oil change period of the engine.

In some embodiments of the present invention, the separation device 5 communicates with the gas-oil separator 6 through an air passage 7.

The air passage 7 pipeline is added outside the separation device 5, volatilized methanol is connected into the oil-gas separator 6 and then continuously combusted, separated engine oil flows into the oil pan 2 and is continuously used, and the engine oil filtered out of the methanol enters the oil pan 2 to participate in circulation again.

In some embodiments of the present invention, a filter screen 8 is disposed in the air passage 7, and the filter screen 8 is close to the inlet of the air passage 7.

The filter screen 8 is close to the inlet of the air passage 7, and the volatilized methanol filters the engine oil through the filter screen 8, so that the engine oil and the methanol are separated more thoroughly.

In some embodiments of the present invention, the gas duct 7 is arranged at the top of the separation device 5. Is convenient for discharging the methanol.

In some embodiments of the present invention, the heating unit includes a heating circuit and a heating wire, the heating circuit is electrically connected to the heating wire, and the heating wire is disposed outside the second oil passage 4.

The machine oil is heated by a heating wire to volatilize the methanol in the machine oil.

In some embodiments of the present invention, the heating circuit is provided with a thermistor, and the thermistor can be connected to or disconnected from the heating circuit.

Thermistors are a class of sensitive elements that are characterized by being sensitive to temperature and exhibiting different resistance values at different temperatures. A thermistor is added in the circuit, and the heating circuit is automatically powered off when the temperature of the engine oil is higher than 70 ℃, so that the risk caused by overhigh temperature of the separating device 5 or overhigh temperature of the engine oil is reduced.

In some embodiments of the present invention, the heating circuit is electrically connected to a power source, and the voltage of the power source is 60V.

And a 60V power supply is adopted, so that the heat efficiency of the heating net is improved, and the temperature of the engine oil is quickly increased.

In some embodiments of the present invention, a bypass valve is disposed between the oil pump 1 and the second oil passage 4.

A bypass valve is added in the engine oil pump 1, and 5% of engine oil enters a separating device 5 per circulation to separate the engine oil from the methanol.

The utility model discloses a methanol engine adds machine oil and separator 5 between oil pump 1 and oil pan 2, adds bypass valve 10 in oil pump 1 or second oil duct 4, and every circulation has 5% machine oil to get into separator 5 and separates machine oil and methyl alcohol. An air passage 7 pipeline is added outside the separation device 5, volatilized methanol is connected into the oil-gas separator 6 and then continuously combusted, and separated engine oil flows into the oil pan 2 and is continuously used. The engine oil and the separating device 5 adopt an electric heating mode to heat the engine oil flowing through, the temperature in the separating device 5 is ensured to be higher than 70 ℃, and the methanol in the engine oil is volatilized. A thermistor is added in the circuit, and the power is automatically cut off when the temperature of the engine oil is higher than 70 ℃. By the mode, the methanol in the engine oil is separated, and the service life of the engine oil is prolonged.

To sum up, the utility model discloses an among the methanol engine, oil pump 1 through second oil duct 4 with separator 5 intercommunication, separator 5 through third oil duct 9 with oil pan 2 intercommunication has increased separator 5 between oil pump 1 and oil pan 2. The heating mode is adopted to heat the flowing engine oil, so that the methanol in the engine oil is volatilized, and the methanol in the engine oil is separated by the mode, so that the service life of the engine oil is prolonged.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. A methanol engine is characterized by comprising an oil pump, a separation device and an oil pan,

the oil pump is communicated with the oil pan through a first oil duct, and the oil pump is communicated with the separation device through a second oil duct;

and the separation device is provided with a heating unit and is communicated with the oil pan through a third oil duct.

2. The methanol engine of claim 1, wherein the separation device is in communication with an oil-gas separator via an air passage.

3. The methanol engine of claim 2, wherein a filter screen is disposed in the air passage, the filter screen being proximate to an inlet of the air passage.

4. The methanol engine of claim 2, wherein the air passage is disposed at a top of the separation device.

5. The methanol engine according to claim 1, wherein the heating unit includes a heating circuit and a heating wire, the heating circuit being electrically connected to the heating wire, the heating wire being disposed outside the second oil passage.

6. The methanol engine according to claim 5, wherein a thermistor is provided on the heating circuit, and the thermistor can connect or disconnect the heating circuit.

7. The methanol engine of claim 5, wherein the heating circuit is electrically connected to a power source having a voltage of 60V.

8. The methanol engine of claim 1, wherein a bypass valve is disposed between the oil pump and the second oil passage.

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