CN218542450U - Secondary pressure boost methanol supply system - Google Patents

Secondary pressure boost methanol supply system Download PDF

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Publication number
CN218542450U
CN218542450U CN202222884460.8U CN202222884460U CN218542450U CN 218542450 U CN218542450 U CN 218542450U CN 202222884460 U CN202222884460 U CN 202222884460U CN 218542450 U CN218542450 U CN 218542450U
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methanol
fuel
heat exchanger
booster pump
pressure
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CN202222884460.8U
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王涛
邹盛
何权
张莹莹
陈猛
丁玲
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Hudong Heavy Machinery Co Ltd
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Hudong Heavy Machinery Co Ltd
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Abstract

The utility model provides a secondary pressure boost methyl alcohol supply system, wherein the system includes: the device comprises a methanol supply pump, a methanol heat exchanger, a filtering device and a methanol booster pump; the methanol supply pump pumps and conveys the methanol fuel to the methanol heat exchanger in a pressurized mode; the methanol heat exchanger is used for exchanging heat of the methanol fuel to the temperature required by the methanol consumption device; the methanol booster pump is used for boosting the methanol fuel to the pressure required by the methanol consumption device again; the filtering device is used for filtering the methanol fuel, and finally pure methanol fuel meeting the temperature and pressure requirements of the methanol consumption device is obtained. The utility model discloses do not set up the daily jar, just can guarantee that stable from the methyl alcohol fuel jar of methyl alcohol fuel carries to the methyl alcohol booster pump, reduce the supporting conveying unit between methyl alcohol daily jar and the methyl alcohol fuel tank, reduce the space and occupy, also reduce the equipment cost input of methyl alcohol system.

Description

Secondary pressurizing methanol supply system
Technical Field
The utility model relates to a boats and ships supply system technical field specifically, relates to a do not take secondary pressure boost methyl alcohol supply system of domestic jar.
Background
In the face of increasingly strict regulations on ship emissions, the shipping industry is actively seeking solutions to achieve the goals of carbon neutralization and carbon peak-to-peak, and many new fuels are: fuels such as methanol, ammonia, LNG, etc. are receiving much attention from designers, shipyards, shipowners, and leasers. Among them, LNG fuel is widely used as a fuel for ships, but since it needs to be stored at low temperature, it needs to be supported by an additional input cost for this characteristic, and a supply chain dedicated to LNG also needs to be applied at a large cost.
Methanol has the potential of reducing carbon dioxide emission during ship operation due to normal-temperature liquid storage, and attracts wide interests of ocean-going ships, short-distance ships, ferries, mail ships and inland river ship owners. The global methanol industry association chief executive officer Gregory Dolan points out: "the use of methanol as a marine fuel can provide immediate decarbonization benefits to the marine operator: the net emission of greenhouse gases is greatly reduced, the requirements of IMO 2020 are completely met, and the net carbon neutralization is carried out along with the increase of the yield of renewable methanol. "indeed, methanol fuel is a preferred alternative to shipping fuels. However, because the heat value of the methanol fuel is low, the methanol storage required by the same voyage is larger than the fuel storage, a larger and deeper fuel tank needs to be configured, and because the methanol is volatile and has toxicity and other properties, the arrangement scheme of the marine methanol fuel supply system still follows the arrangement scheme of the conventional fuel ship, and a daily tank is configured, but the daily tank stores the well-processed fuel oil (such as well-processed residual oil) during the main function, and a methanol heat exchanger and a filtering device are arranged at the downstream of the methanol booster pump, so that the arrangement structure redundancy is caused, the space occupation is high, the required working equipment has high operation pressure, and the cost investment is high.
Disclosure of Invention
The utility model provides a do not take secondary pressure boost methyl alcohol supply system and supply method of daily jar to the above-mentioned not enough that exists among the prior art.
According to an aspect of the utility model, a secondary pressure boost methanol supply system is provided, include: the device comprises a methanol supply pump, a methanol heat exchanger, a filtering device and a methanol booster pump which are arranged in sequence; wherein:
the methanol supply pump pumps and conveys the methanol fuel to the methanol heat exchanger in a pressurized mode;
the methanol heat exchanger is used for transferring the heat of the methanol fuel to the temperature required by the methanol consumption device and then transferring the methanol fuel to the filtering device for filtering;
the methanol booster pump is used for boosting the methanol fuel subjected to heat exchange and filtration to the pressure required by the methanol consumption device again to obtain the pure methanol fuel meeting the temperature and pressure requirements of the methanol consumption device.
Optionally, the methanol heat exchanger adopts a double-plate heat exchanger or a double-shell heat exchanger and exchanges heat with the methanol fuel through a heat source on the ship.
Optionally, the system further comprises: a methanol buffer tank; wherein:
the methanol buffer tank is arranged between the filtering device and the methanol booster pump and is used for storing the methanol fuel after heat exchange and filtration;
the methanol booster pump is used for boosting the methanol fuel in the methanol buffer tank again.
Optionally, the system further comprises: a pressure monitoring device; wherein:
the pressure monitoring device is arranged at the outlet end of the methanol booster pump and is used for monitoring the outlet pressure of the methanol booster pump;
and refluxing the methanol fuel which is required to flow back to meet the pressure control requirement to the methanol buffer tank.
According to another aspect of the present invention, there is provided a secondary pressurizing methanol supply system, comprising: the device comprises a methanol supply pump, a methanol heat exchanger, a methanol booster pump and a filtering device which are arranged in sequence; wherein:
the methanol supply pump pumps and conveys the methanol fuel to the methanol heat exchanger in a pressurized mode;
the methanol heat exchanger is used for transferring the heat of the methanol fuel to the temperature required by the methanol consumption device and then conveying the methanol fuel to the methanol booster pump for re-boosting to the pressure required by the methanol consumption device;
the filtering device is used for filtering the methanol fuel subjected to heat exchange and pressurization to obtain pure methanol fuel meeting the temperature and pressure requirements of the methanol consumption device.
Optionally, the methanol heat exchanger adopts a double-plate heat exchanger or a double-shell heat exchanger and exchanges heat with the methanol fuel through a heat source on the ship.
Optionally, the system further comprises: a methanol buffer tank; wherein:
the methanol buffer tank is arranged between the methanol heat exchanger and the methanol booster pump and is used for storing the methanol fuel after heat exchange;
the methanol booster pump is used for boosting the methanol fuel in the methanol buffer tank again.
Optionally, the system further comprises: a pressure monitoring device; wherein:
the pressure monitoring device is arranged at the outlet end of the methanol booster pump and is used for monitoring the outlet pressure of the methanol booster pump; or, the pressure monitoring device is arranged at the outlet end of the filtering device and is used for monitoring the outlet pressure of the filtering device;
and refluxing the methanol fuel which is required to flow back to meet the pressure control requirement to the methanol buffer tank.
According to a third aspect of the present invention, there is provided a secondary pressurizing methanol supply method, comprising:
the method comprises the steps of obtaining methanol fuel in a pressurizing mode, and sequentially carrying out heat exchange treatment, filtering treatment and secondary pressurizing treatment on the methanol fuel through a supply pipeline to finally obtain pure methanol fuel meeting the temperature and pressure requirements of a methanol consumption device.
According to a fourth aspect of the present invention, there is provided a secondary pressurizing methanol supply method, comprising:
the method comprises the steps of obtaining methanol fuel in a pressurizing mode, and sequentially carrying out heat exchange treatment, secondary pressurizing treatment and filtering treatment on the methanol fuel through a supply pipeline to finally obtain pure methanol fuel meeting the temperature and pressure requirements of a methanol consumption device.
Since the technical scheme is used, compared with the prior art, the utility model, have following at least one beneficial effect:
the utility model provides a secondary pressure boost methyl alcohol supply system and supply method does not need additionally to dispose daily jar, can guarantee that the stable methanol fuel of follow carries to the methyl alcohol booster pump, reduces supporting conveying unit between daily jar of methyl alcohol and daily jar and the methyl alcohol fuel tank, reduces the space and occupies, also reduces the equipment cost input of methyl alcohol system.
The utility model provides a secondary pressure boost methyl alcohol supply system and supply method arranges methyl alcohol heat exchanger and filter equipment in supply pump low reaches, compares in the mode of arranging methyl alcohol heat exchanger and filter equipment in methyl alcohol booster pump low reaches, has reduced the technical condition of equipment effectively, increases equipment lectotype scope, reduces the daily jar space and occupies, reduces equipment initial cost input and maintenance cost.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of a secondary pressurized methanol supply system according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a secondary pressurized methanol supply system according to a preferred embodiment of the present invention.
Fig. 3 is a schematic diagram of a secondary pressurized methanol supply system according to another embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a secondary pressurized methanol supply system according to another preferred embodiment of the present invention.
In the figure: 1 is a methanol supply pump, 2 is a methanol heat exchanger, 3 is a filtering device, 4 is a methanol booster pump, 5 is a methanol buffer tank, 6 is a pressure monitoring device, 7 is a methanol fuel tank, 8 is a methanol supply pipeline, and 9 is a methanol pipeline for methanol to flow back to the methanol buffer tank.
Detailed Description
The following is a detailed description of embodiments of the present invention: this embodiment is using the utility model discloses technical scheme implements under the prerequisite, has given detailed implementation mode and specific operation process. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a secondary pressurized methanol supply system, which may include: a methanol supply pump 1, a methanol heat exchanger 2, a filtering device 3 and a methanol booster pump 4 are arranged in sequence; wherein:
the methanol supply pump 1 pumps and conveys the methanol fuel to the methanol heat exchanger 2 in a pressurized manner;
the methanol heat exchanger 2 is used for transferring the heat of the methanol fuel to the temperature required by a methanol consumption device and then transferring the methanol fuel to the filtering device 3 for filtering;
and the methanol booster pump 4 is used for boosting the methanol fuel subjected to heat exchange and filtration to the pressure required by the methanol consumption device again to obtain the pure methanol fuel meeting the temperature and pressure requirements of the methanol consumption device.
In a preferred embodiment, the methanol heat exchanger 2 can adopt a double-plate heat exchanger or a double-shell heat exchanger, and exchanges heat with the methanol fuel through a heat source on the ship.
As shown in fig. 2, in a preferred embodiment, the system may further include: a methanol buffer tank 5; wherein:
the methanol buffer tank 5 is arranged between the filtering device 3 and the methanol booster pump 4 and is used for storing the methanol fuel after heat exchange and filtration;
the methanol booster pump 4 is used for boosting the methanol fuel in the methanol buffer tank 5 again.
As shown in fig. 2, in a preferred embodiment, the system may further include: a pressure monitoring device 6; wherein:
the pressure monitoring device 6 is arranged at the outlet end of the methanol booster pump 4 and is used for monitoring the outlet pressure of the methanol booster pump 4;
the methanol fuel that needs to be returned to meet the pressure control requirement is returned to the methanol buffer tank 5.
An embodiment of the present invention further provides a secondary pressurizing methanol supply method, which may include the following steps:
the method comprises the steps of obtaining methanol fuel in a pressurizing mode, and sequentially carrying out heat exchange treatment, filtering treatment and secondary pressurizing treatment on the methanol fuel through a supply pipeline to finally obtain pure methanol fuel meeting the temperature and pressure requirements of a methanol consumption device.
It should be noted that, the steps in the method provided by the present invention can be implemented by using corresponding devices, components, etc. in the system, and those skilled in the art can refer to the technical scheme of the system to implement the step flow of the method, that is, the embodiment in the system can be understood as a preferred example of the implementation method, which is not described herein again.
As shown in fig. 3, an embodiment of the present invention provides a secondary pressurizing methanol supply system, which may include: a methanol supply pump 1, a methanol heat exchanger 2, a methanol booster pump 4 and a filtering device 3 which are arranged in sequence; wherein:
the methanol supply pump 1 pumps and conveys the methanol fuel to the methanol heat exchanger 2 in a pressurized mode;
the methanol heat exchanger 2 is used for transferring the heat of the methanol fuel to the temperature required by a methanol consumption device and then conveying the methanol fuel to the methanol booster pump 4 for carrying out secondary pressurization to the pressure required by the methanol consumption device;
the filtering device 3 is used for filtering the methanol fuel subjected to heat exchange and pressurization to obtain pure methanol fuel meeting the temperature and pressure requirements of the methanol consumption device.
In a preferred embodiment, the methanol heat exchanger 3 can adopt a double-plate heat exchanger or a double-shell type heat exchanger, and exchanges heat with the methanol fuel through a heat source on the ship.
As shown in fig. 4, in a preferred embodiment, the system may further include: a methanol buffer tank 5; wherein:
the methanol buffer tank 5 is arranged between the methanol heat exchanger 2 and the methanol booster pump 4 and is used for storing the methanol fuel subjected to heat exchange;
the methanol booster pump 4 is used for re-boosting the methanol fuel in the methanol buffer tank 5.
As shown in fig. 4, in a preferred embodiment, the system may further include: a pressure monitoring device 6; wherein:
the pressure monitoring device 6 is arranged at the outlet end of the methanol booster pump 4 and is used for monitoring the outlet pressure of the methanol booster pump 4; or, the pressure monitoring device 6 is disposed at the outlet end of the filtering device 3, and is used for monitoring the outlet pressure of the filtering device 3;
the methanol fuel that needs to be returned to meet the pressure control requirement is returned to the methanol buffer tank 5.
An embodiment of the present invention further provides a secondary pressurizing methanol supply method, which may include the following steps:
the method comprises the steps of obtaining methanol fuel in a pressurizing mode, and sequentially carrying out heat exchange treatment, secondary pressurizing treatment and filtering treatment on the methanol fuel through a supply pipeline to finally obtain pure methanol fuel meeting the temperature and pressure requirements of a methanol consumption device.
It should be noted that, the steps in the method provided by the present invention can be implemented by using corresponding devices, components, etc. in the system, and those skilled in the art can implement the step flow of the method with reference to the technical scheme of the system, that is, the embodiment in the system can be understood as a preferred example of the implementation method, and details are not described herein.
The technical solutions provided by the above embodiments of the present invention are further described below.
The above embodiment of the present invention provides a secondary pressurizing methanol supply method and supply method applied to a ship, wherein the system includes: the device comprises a methanol supply pump, a methanol heat exchanger, a methanol booster pump, a filtering device, a methanol buffer tank and a pressure monitoring device. The methanol supply pump pressurizes a methanol fuel tank for the first time and then pumps the methanol fuel into a methanol heat exchanger, the methanol heat exchanger directly exchanges heat with a heat source on the ship, and the methanol fuel and the heat source on the ship are separated without using an intermediate medium; the methanol fuel enters the filtering device and the methanol booster pump to be filtered and pressurized respectively after being subjected to heat exchange by the methanol heat exchanger, and the filtering and pressurizing sequence can be interchanged. A pressure monitoring device is arranged on the connected pipeline to monitor and control the pressure of the supplied methanol fuel.
A methanol daily tank is not arranged between the methanol supply pump or the methanol booster pump and the on-board methanol fuel tank, and the methanol supply pump directly pumps the methanol from the methanol fuel tank to be conveyed to the methanol booster pump.
The methanol heat exchanger is arranged at the upstream of the methanol booster pump, so that the use pressure of the methanol heat exchanger is effectively reduced.
The methanol heat exchanger can adopt a double-plate heat exchanger or a double-tube shell type heat exchanger, heat exchange between a heat source on a ship and methanol can be directly realized, two media can be effectively isolated by the isolating space of the double tubes or the double plates, and leaked media are prevented from entering undisleaked media.
And 1 methanol buffer tank can be arranged between the methanol supply pump and the methanol booster pump, and the methanol supply pump conveys the methanol into the methanol buffer tank after the methanol passes through the methanol heat exchanger or the methanol heat exchanger and the methanol filtering device. The methanol booster pump further boosts the methanol from the upstream methanol buffer tank and then delivers it to the methanol consuming device.
The downstream of the methanol booster pump is provided with a pressure monitoring device, and methanol needing to flow back due to pressure control can return to the methanol buffer tank.
The filtering device can be arranged at the upstream of the methanol booster pump and the downstream of the methanol booster pump, and the use pressure of the methanol heat exchanger and the filtering device can be effectively reduced by arranging the filtering device at the upstream of the methanol booster pump. The arrangement downstream of the methanol booster pump can ensure that the methanol is completely filtered and then delivered to the methanol consuming device.
The methanol fuel after heat exchange and pressurization meets the temperature and pressure requirements of a methanol consumption device, and pure methanol fuel is obtained after filtration and can be used for supplying to the methanol consumption device for fuel.
As shown in fig. 1, the structure of a secondary pressurizing methanol supply system without a day tank is that methanol fuel enters a methanol heat exchanger 2 after being pressurized by a methanol supply pump 1, then enters a filtering device 3 for filtering, then enters a methanol pressurizing pump 4 for pressurizing, and finally enters a methanol consuming device.
As shown in fig. 2, in the configuration shown in fig. 1, 1 methanol buffer tank 5 is provided, and a methanol supply pump 1 sends methanol to the methanol buffer tank 5 after passing through a methanol heat exchanger 2 and a methanol filter device 3. The methanol booster pump 4 further boosts the pressure of methanol from the upstream methanol buffer tank 5, and then delivers the methanol to the methanol consuming apparatus.
A pressure monitoring device 6 is arranged at the downstream of the methanol booster pump 4, and the methanol needing to be refluxed due to pressure control can return to the methanol buffer tank 5 through a methanol reflux pipeline 9.
As shown in fig. 3, it is another structure of a secondary pressurizing methanol supply system without a day tank, in which methanol fuel is pressurized by a methanol supply pump 1, enters a methanol heat exchanger 2, then enters a methanol pressurizing pump 4, is pressurized, enters a filtering device 3, is filtered, and finally enters a methanol consuming device.
As shown in fig. 4, in the configuration shown in fig. 3, 1 methanol buffer tank 5 is provided, and the methanol supply pump 1 feeds the methanol fuel through the methanol heat exchanger 2 and then into the methanol buffer tank 5. The methanol booster pump 4 further boosts the pressure of the methanol from the upstream methanol buffer tank 5, and then the methanol enters the methanol filtering device 3 for filtering, and finally the methanol is conveyed to the methanol consuming device.
The downstream of the methanol booster pump 4 is provided with a pressure monitoring device 6, and the methanol needing to flow back due to pressure control can return to the methanol buffer tank 5 through a methanol return pipeline 9.
In some embodiments of the present invention:
the methanol supply pump or the methanol booster pump is not arranged between the methanol fuel tank on the ship and the methanol daily tank, and the methanol supply pump directly pumps the methanol from the methanol fuel tank and conveys the methanol to the methanol booster pump.
The methanol heat exchanger and the filtering device are arranged at the upstream of the methanol booster pump, so that the use pressure of the methanol heat exchanger and the filtering device is effectively reduced.
The methanol heat exchanger can adopt a double-plate heat exchanger or a double-tube shell type heat exchanger, heat exchange between a heat source on a ship and methanol can be directly realized, two media can be effectively isolated by the isolating space of the double tubes or the double plates, and leaked media are prevented from entering undisleaked media.
This methanol supply system is through using a small-size methanol collection tank (methyl alcohol buffer tank), collects the remaining methyl alcohol liquid that comes from methyl alcohol consumption device to realize the purification of methyl alcohol liquid, replace the methyl alcohol collection function in the jar of daily use, have small, with low costs, advantages such as easy operation and maintenance, clean methyl alcohol gets into methyl alcohol supply system reuse from methyl alcohol supply pump entry in the methyl alcohol collection tank.
The secondary pressurizing methanol supply system and the supply method provided by the above embodiments of the present invention can ensure that the methanol fuel is stably transported from the methanol fuel tank to the methanol pressurizing pump without arranging an additional day tank, thereby reducing the methanol day tank and the matched transporting unit between the day tank and the methanol fuel tank; and simultaneously, the utility model discloses above-mentioned embodiment provides a secondary pressure boost methyl alcohol supply system and supply method arranges methyl alcohol heat exchanger and filter equipment in methyl alcohol supply pump low reaches, compares in the mode of arranging methyl alcohol heat exchanger and filter equipment in methyl alcohol booster pump low reaches, has reduced the technical condition of equipment effectively, increases the equipment lectotype scope, reduces the daily jar space and occupies, reduces equipment initial cost and drops into and the maintenance cost.
It is to be understood that the terms "connected," "disposed," and the like, as used herein, are not intended to specify, or imply any particular orientation, configuration, or operation of the referenced components or devices, but merely provide a descriptive context for purposes of explanation. "coupled" and similar expressions as used herein may refer to elements that are directly connected to one another or that have other connections between them.
The above embodiments of the present invention are not the best known techniques in the art.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the essential spirit of the invention.

Claims (8)

1. A secondary pressurized methanol supply system comprising: the device comprises a methanol supply pump, a methanol heat exchanger, a filtering device and a methanol booster pump which are arranged in sequence; wherein:
the methanol supply pump pumps and conveys the methanol fuel to the methanol heat exchanger in a pressurized mode;
the methanol heat exchanger is used for transferring the heat of the methanol fuel to a temperature required by a methanol consumption device and then transferring the methanol fuel to the filtering device for filtering;
the methanol booster pump is used for boosting the methanol fuel subjected to heat exchange and filtration to the pressure required by the methanol consumption device again to obtain the pure methanol fuel meeting the temperature and pressure requirements of the methanol consumption device.
2. The secondary pressurized methanol supply system of claim 1 wherein the methanol heat exchanger is a double plate heat exchanger or a double shell and tube heat exchanger and exchanges heat with the methanol fuel via a heat source onboard the vessel.
3. The secondary pressurized methanol supply system according to any one of claims 1-2, further comprising: a methanol buffer tank; wherein:
the methanol buffer tank is arranged between the filtering device and the methanol booster pump and is used for storing the methanol fuel after heat exchange and filtration;
the methanol booster pump is used for boosting the methanol fuel in the methanol buffer tank again.
4. The secondary pressurized methanol supply system of claim 3, further comprising: a pressure monitoring device; wherein:
the pressure monitoring device is arranged at the outlet end of the methanol booster pump and is used for monitoring the outlet pressure of the methanol booster pump;
and refluxing the methanol fuel which is required to flow back to meet the pressure control requirement to the methanol buffer tank.
5. A secondary pressurized methanol supply system, comprising: the device comprises a methanol supply pump, a methanol heat exchanger, a methanol booster pump and a filtering device which are arranged in sequence; wherein:
the methanol supply pump pumps and conveys the methanol fuel to the methanol heat exchanger in a pressurized mode;
the methanol heat exchanger is used for transferring the heat of the methanol fuel to the temperature required by the methanol consumption device and then conveying the methanol fuel to the methanol booster pump for re-boosting to the pressure required by the methanol consumption device;
the filtering device is used for filtering the methanol fuel subjected to heat exchange and pressurization to obtain pure methanol fuel meeting the temperature and pressure requirements of the methanol consumption device.
6. The secondary pressurized methanol supply system of claim 5 wherein the methanol heat exchanger is a double plate heat exchanger or a double shell and tube heat exchanger and exchanges heat with the methanol fuel via a heat source onboard the vessel.
7. The secondary pressurized methanol supply system according to any one of claims 5 to 6, further comprising: a methanol buffer tank; wherein:
the methanol buffer tank is arranged between the methanol heat exchanger and the methanol booster pump and is used for storing the methanol fuel after heat exchange;
the methanol booster pump is used for boosting the methanol fuel in the methanol buffer tank again.
8. The secondary pressurized methanol supply system of claim 7, further comprising: a pressure monitoring device; wherein:
the pressure monitoring device is arranged at the outlet end of the methanol booster pump and is used for monitoring the outlet pressure of the methanol booster pump; or, the pressure monitoring device is arranged at the outlet end of the filtering device and is used for monitoring the outlet pressure of the filtering device;
and refluxing the methanol fuel which is required to flow back to meet the pressure control requirement to the methanol buffer tank.
CN202222884460.8U 2022-10-31 2022-10-31 Secondary pressure boost methanol supply system Active CN218542450U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222884460.8U CN218542450U (en) 2022-10-31 2022-10-31 Secondary pressure boost methanol supply system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222884460.8U CN218542450U (en) 2022-10-31 2022-10-31 Secondary pressure boost methanol supply system

Publications (1)

Publication Number Publication Date
CN218542450U true CN218542450U (en) 2023-02-28

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