CN112169615A - On-board double-fuel switchable biodiesel blending device - Google Patents
On-board double-fuel switchable biodiesel blending device Download PDFInfo
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- CN112169615A CN112169615A CN202011041681.8A CN202011041681A CN112169615A CN 112169615 A CN112169615 A CN 112169615A CN 202011041681 A CN202011041681 A CN 202011041681A CN 112169615 A CN112169615 A CN 112169615A
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- fuel
- biodiesel
- diesel
- tank
- module
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/60—Pump mixers, i.e. mixing within a pump
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/83—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices
- B01F35/833—Flow control by valves, e.g. opening intermittently
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/40—Mixing of ingredients for oils, fats or waxes
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention relates to a switchable biodiesel blending device of a shipborne dual-fuel, the input end of the device is connected with an existing shipborne diesel oil tank, and the output end is connected with an existing fuel injection system, comprising: the fuel mixing device comprises a box body, a diesel storage module, a biodiesel storage module, a fuel mixing module and a fuel output module, wherein the diesel storage module, the biodiesel storage module and the fuel mixing module are respectively installed in the box body, the diesel storage module and the biodiesel storage module are respectively connected with the fuel mixing module, and the fuel output module is connected with the output end of the fuel mixing module. Compared with the prior art, the invention has the advantages of realizing the on-board fuel switching, preventing the condensation of the biological grease, having small volume and the like.
Description
Technical Field
The invention relates to the technical field of fuel supply systems of shipborne engines, in particular to a shipborne dual-fuel switchable biodiesel blending device.
Background
The biodiesel refers to fatty acid methyl ester or ethyl ester formed by esterification reaction of vegetable oil, animal oil, waste oil or microbial oil and methanol or ethanol. Biodiesel is a typical green energy source, and has the advantages of good environmental protection performance, good engine starting performance, good fuel performance, wide raw material source, renewability and the like.
According to item 4.1.2 in chapter iv of the 2017 classification of marine vessel application alternative fuel guide, a vessel using biodiesel alternative fuel should have a fuel system that can be immediately switched to conventional fuel oil fuel. The biodiesel blended fuel as a diesel engine substitute fuel used for years is applied to various traffic fields in the future, including inland ships and even ocean-going ships, so that the shipborne dual-fuel switchable biodiesel blending device has wide application and development prospects in the future and becomes an essential part of a shipborne fuel power system in order to guarantee the reliability of fuel supply and filling of a fuel system of the shipborne dual-fuel switchable biodiesel blending device.
At present, the biodiesel mixed fuel is not applied to ships, and a shipborne dual-fuel biodiesel blending device does not exist in the prior art.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a small-size shipborne dual-fuel switchable biodiesel blending device which realizes the switching of shipborne fuels and prevents the condensation of biological grease.
The purpose of the invention can be realized by the following technical scheme:
a switchable biodiesel blending device of on-board dual-fuel, the input end of the device is connected with the existing on-board diesel oil tank, the output end is connected with the existing fuel injection system, including: the device comprises a box body, a diesel storage module, a biodiesel storage module, a fuel mixing module and a fuel output module; the diesel storage module, the biodiesel storage module and the fuel mixing module are respectively arranged in the box body; the diesel oil storage module and the biodiesel storage module are respectively connected with the fuel oil mixing module; the fuel output module is connected with the output end of the fuel mixing module.
Preferably, the diesel storage module comprises a diesel conveying pipeline, a first oil pump and a diesel buffer tank; one end of the diesel oil conveying pipeline is connected with the shipborne diesel oil tank, and the other end of the diesel oil conveying pipeline is connected with the input end of the first oil pump; the output end of the first oil pump is connected with the diesel buffer tank; the output end of the diesel buffer tank is connected with the input end of the fuel mixing module.
More preferably, the biodiesel storage module comprises a biodiesel oil tank, a second oil pump and a biodiesel buffer tank; the input end of the second oil pump is connected with the biodiesel oil tank, and the other end of the second oil pump is connected with the biodiesel buffer tank; the output end of the biodiesel buffer tank is connected with the input end of the fuel oil mixing module.
More preferably, the proportion of the biodiesel oil tank in the tank body is smaller than that of the diesel buffer tank in the tank body.
More preferably, the biodiesel oil tank is provided with a filling port.
More preferably, the fuel mixing module comprises a mixed fuel pump, a mixing ratio control unit and a mixed fuel tank; the output ends of the diesel buffer tank and the biodiesel buffer tank are respectively connected with a mixed oil pump through a mixed proportion control unit; the output end of the mixed oil pump is connected with the input end of the mixed fuel oil tank; and the output end of the mixed fuel tank is connected with the fuel output module.
More preferably, the mixing ratio control unit is embodied as a throttle valve.
More preferably, the throttle valve is an electrically controlled throttle valve.
More preferably, the fuel output module comprises a mixed fuel output pipeline and a switching valve; one end of the mixed fuel oil output pipeline is connected with the mixed fuel oil tank, and the other end of the mixed fuel oil output pipeline is connected with the switching valve; the input end of the switching valve is also connected with a ship-borne diesel oil tank, and the output end of the switching valve is connected with an existing fuel injection system.
More preferably, the switching valve is an electrically controlled switching valve.
Compared with the prior art, the invention has the following advantages:
firstly, realizing fuel switching on board: the on-board dual-fuel switchable biodiesel blending device can mix diesel and biodiesel to obtain biodiesel mixed fuel oil, and then deliver the mixed fuel oil to the existing fuel oil injection system.
Secondly, preventing the condensation of biological grease: the mixing oil pump of the shipborne dual-fuel switchable biodiesel blending device in front of the mixed fuel oil tank can fully mix the fuels into qualified biodiesel alternative fuel by stirring, so that the condensation of the biological grease part in the long-term static biodiesel mixed fuel is prevented, and the reliability of the mixed fuel oil is improved.
Thirdly, the volume is small: the proportion of the biodiesel buffer tank of the shipborne dual-fuel switchable biodiesel blending device is far smaller than that of the diesel buffer tank, and the whole volume of the device is smaller.
Drawings
Fig. 1 is a schematic structural diagram of the shipborne dual-fuel switchable biodiesel blending device in the invention.
The reference numbers in the figures indicate:
1. the fuel injection system comprises a tank body, 2, a diesel storage module, 3, a biodiesel storage module, 4, a fuel mixing module, 5, a fuel output module, 6, a ship-mounted diesel oil tank, 7, a fuel injection system, 201, a diesel delivery pipeline, 202, a first oil pump, 203, a diesel buffer tank, 301, a biodiesel oil tank, 302, a second oil pump, 303, a biodiesel buffer tank, 401, a mixed oil pump, 402, a mixing proportion control unit, 403, a mixed fuel oil tank, 501, a mixed fuel output pipeline, 502 and a switching valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
A switchable biodiesel blending device of dual fuel on board is structurally shown in figure 1, the input end of the device is connected with an existing diesel oil tank 6 on board, the output end is connected with an existing fuel injection system 7, and the device comprises: the box 1, diesel oil storage module 2, biodiesel storage module 3, fuel mixing module 4 and fuel output module 5, diesel oil storage module 2, biodiesel storage module 3 and fuel mixing module 4 are installed respectively in box 1, and diesel oil storage module 2 and biodiesel storage module 3 link to each other with fuel mixing module 4 respectively, and fuel output module 5 links to each other with the output of fuel mixing module 4.
The diesel storage module 2 comprises a diesel conveying pipeline 201, a first oil pump 202 and a diesel buffer tank 203, one end of the diesel conveying pipeline 201 is connected with the shipborne diesel oil tank 6, the other end of the diesel conveying pipeline is connected with the input end of the first oil pump 202, the output end of the first oil pump 202 is connected with the diesel buffer tank 203, and the output end of the diesel buffer tank 203 is connected with the input end of the fuel mixing module 4.
The biodiesel storage module 3 comprises a biodiesel oil tank 301, a second oil pump 302 and a biodiesel buffer tank 303, the input end of the second oil pump 302 is connected with the biodiesel oil tank 301, the other end of the second oil pump is connected with the biodiesel buffer tank 303, and the output end of the biodiesel buffer tank 303 is connected with the input end of the fuel oil mixing module 4.
The proportion of the biodiesel oil tank 301 in the tank body 1 is far smaller than that of the diesel buffer tank 203 in the tank body, and a filling port is arranged on the biodiesel oil tank 301.
The fuel mixing module 4 comprises a mixed fuel pump 401, a mixing ratio control unit 402 and a mixed fuel tank 403, the output ends of the diesel buffer tank 203 and the biodiesel buffer tank 303 are respectively connected with the mixed fuel pump 401 through the mixing ratio control unit 402, the output end of the mixed fuel pump 401 is connected with the input end of the mixed fuel tank 403, and the output end of the mixed fuel tank 403 is connected with the fuel output module 5.
The mixing oil pump 401 in front of the mixed fuel oil tank 403 can fully mix the fuels into qualified biodiesel alternative fuel by stirring, and condensation of biological grease in the long-term static biodiesel mixed fuel is prevented.
The mixture ratio control unit 402 is specifically a throttle valve, and the throttle valve in the present embodiment is an electrically controlled throttle valve.
The fuel output module 5 comprises a mixed fuel output pipeline 501 and a switching valve 502, one end of the mixed fuel output pipeline 501 is connected with the mixed fuel tank 403, the other end of the mixed fuel output pipeline 501 is connected with the switching valve 502, the input end of the switching valve 502 is also connected with the shipborne diesel oil tank 6, and the output end of the switching valve is connected with the existing fuel injection system 7.
The switching valve 502 in this embodiment is an electrically controlled switching valve.
The device can mix the diesel D100 with the biodiesel BD100 to obtain the biodiesel mixed fuel.
The electric control throttle valve and the electric control fuel switching valve in the embodiment can be connected with a shipborne central controller, or a single chip microcomputer is added to electrically control the throttle valve and the fuel switching valve, so that the automation degree is improved.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A switchable biodiesel blending device of on-board dual fuel, the input end of the device is connected with the existing on-board diesel fuel tank (6), the output end is connected with the existing fuel injection system (7), characterized in that, the blending device comprises: the device comprises a box body (1), a diesel storage module (2), a biodiesel storage module (3), a fuel mixing module (4) and a fuel output module (5); the diesel storage module (2), the biodiesel storage module (3) and the fuel mixing module (4) are respectively arranged in the box body (1); the diesel storage module (2) and the biodiesel storage module (3) are respectively connected with the fuel mixing module (4); the fuel output module (5) is connected with the output end of the fuel mixing module (4).
2. The on-board dual-fuel switchable biodiesel blending device according to claim 1, wherein the diesel storage module (2) comprises a diesel delivery line (201), a first oil pump (202), a diesel surge tank (203); one end of the diesel oil conveying pipeline (201) is connected with the shipborne diesel oil tank (6), and the other end of the diesel oil conveying pipeline is connected with the input end of the first oil pump (202); the output end of the first oil pump (202) is connected with a diesel buffer tank (203); the output end of the diesel buffer tank (203) is connected with the input end of the fuel mixing module (4).
3. The on-board dual-fuel switchable biodiesel blending device according to claim 2, wherein the biodiesel storage module (3) comprises a biodiesel oil tank (301), a second oil pump (302), a biodiesel buffer tank (303); the input end of the second oil pump (302) is connected with the biodiesel oil tank (301), and the other end of the second oil pump is connected with the biodiesel buffer tank (303); the output end of the biodiesel buffer tank (303) is connected with the input end of the fuel mixing module (4).
4. The on-board dual-fuel switchable biodiesel blending device according to claim 3, wherein the proportion of the biodiesel fuel tank (301) in the tank body (1) is smaller than the proportion of the diesel surge tank (203) in the tank body.
5. The on-board dual-fuel switchable biodiesel blending device according to claim 3, wherein a filler port is provided on the biodiesel fuel tank (301).
6. The on-board dual-fuel switchable biodiesel blending device according to claim 3, wherein the fuel mixing module (4) comprises a mixed fuel pump (401), a mixing ratio control unit (402), a mixed fuel tank (403); the output ends of the diesel buffer tank (203) and the biodiesel buffer tank (303) are respectively connected with a mixed oil pump (401) through a mixed proportion control unit (402); the output end of the mixed oil pump (401) is connected with the input end of the mixed fuel oil tank (403); the output end of the mixed fuel tank (403) is connected with a fuel output module (5).
7. The on-board dual-fuel switchable biodiesel blending device according to claim 6, wherein the mixing ratio control unit (402) is a throttle valve.
8. The on-board dual-fuel switchable biodiesel blending device of claim 7, wherein said throttle valve is an electrically controlled throttle valve.
9. The on-board dual-fuel switchable biodiesel blending device of claim 8, wherein the fuel output module (5) comprises a mixed fuel output line (501) and a switching valve (502); one end of the mixed fuel output pipeline (501) is connected with the mixed fuel oil tank (403), and the other end of the mixed fuel output pipeline is connected with the switching valve (502); the input end of the switching valve (502) is also connected with a ship-mounted diesel oil tank (6), and the output end of the switching valve is connected with an existing fuel injection system (7).
10. The on-board dual-fuel switchable biodiesel blending device of claim 9, wherein the switching valve (502) is an electrically controlled switching valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011041681.8A CN112169615A (en) | 2020-09-28 | 2020-09-28 | On-board double-fuel switchable biodiesel blending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011041681.8A CN112169615A (en) | 2020-09-28 | 2020-09-28 | On-board double-fuel switchable biodiesel blending device |
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| CN112169615A true CN112169615A (en) | 2021-01-05 |
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| CN202011041681.8A Pending CN112169615A (en) | 2020-09-28 | 2020-09-28 | On-board double-fuel switchable biodiesel blending device |
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