CN113323776A - Fuel oil heating system and engine system - Google Patents
Fuel oil heating system and engine system Download PDFInfo
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- CN113323776A CN113323776A CN202110811364.8A CN202110811364A CN113323776A CN 113323776 A CN113323776 A CN 113323776A CN 202110811364 A CN202110811364 A CN 202110811364A CN 113323776 A CN113323776 A CN 113323776A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/12—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating electrically
- F02M31/135—Fuel-air mixture
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
- F02M55/025—Common rails
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
- F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
- F02N19/04—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N2019/002—Aiding engine start by acting on fuel
Abstract
The invention discloses a fuel oil heating system and an engine system, which relate to the technical field of starting of engines and comprise a heating device, an oil nozzle and an air inlet pipe; the heating device comprises a shell and a heating element arranged on the shell, wherein the shell is provided with a fluid inlet and a fluid outlet, and an overflowing hole communicated with the fluid inlet and the fluid outlet is formed in the shell; at least a portion of the heating element is disposed within the flow aperture for heating fluid flowing through the flow aperture; a connecting port communicated with the overflowing hole is arranged on the shell; the heating element is inserted into the overflowing hole through the connecting port and seals the connecting port; the heating element can be detachably connected in the connecting port; the oil outlet end of the oil nozzle is connected with the fluid inlet end of the heating device; the air outlet end of the air inlet pipe is connected with the fluid inlet end of the heating device. The engine system of the invention is suitable for a power plant equipped with an engine, and the engine of the engine system can be quickly started at low temperature through the fuel heating system.
Description
The application is a divisional application of an invention patent with a parent case name of 'fuel oil heating system and engine system'; the parent application has the application number: CN 201511021155.4; the application date of the parent application is as follows: 2015.12.30.
Technical Field
The invention relates to the technical field of starting of engines, in particular to a fuel oil heating system and an engine system.
Background
At present, gasoline or diesel oil is generally used as fuel for engines. Gasoline or diesel oil is generally refined by petroleum, and in order to fully utilize national coal resources and make the industrial structure of fuel oil more reasonable, engines using methanol as fuel are also available in the market at present, wherein the methanol can be refined by coal, so that the utilization rate of the coal can be greatly improved.
Among them, methanol has high viscosity at low temperature, and methanol has lower volatility than gasoline, and requires a large amount of heat for gasification, thereby causing an engine using methanol as fuel to be not easily started at low temperature.
In order to solve the above problems, an engine in the prior art is generally provided with two oil supply systems, namely a gasoline supply system and a methanol supply system, and the engine is generally started by supplying oil to the gasoline supply system and is closed when being started because the volatility of gasoline is good and the engine is easy to start at a low temperature; after the engine is started through gasoline, the engine can generate a large amount of heat, the gasoline supply system is closed at the moment, the methanol supply system supplies oil to the engine, and methanol can be gasified under the action of the heat generated by the start of the engine, so that the engine can normally work.
In the process of implementing the technical scheme, the inventor finds that at least the following problems exist in the prior art: the two sets of oil supply systems have complex structures and higher cost; moreover, the driver of the motor vehicle must detect the filling quantities of two different fuel tanks or corresponding fuel tanks, and the two fuel tanks cannot be mixed when the fuel is added, so that the operation is complicated.
Disclosure of Invention
The invention aims to solve the problems in the prior art and overcome the defects in the prior art, and provides a fuel oil heating system and an engine system.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention provides a fuel oil heating system, which comprises a heating device, an oil nozzle and an air inlet pipe,
the heating device comprises a shell and a heating element arranged on the shell, wherein a fluid inlet and a fluid outlet are formed in the shell, and an overflowing hole communicated with the fluid inlet and the fluid outlet is formed in the shell; at least one part of the heating element is arranged in the flow hole and used for heating the fluid flowing through the flow hole; a connecting port communicated with the overflowing hole is arranged on the shell; the heating element is detachably connected in the connecting port; the heating element is inserted into the overflowing hole through the connecting port and seals the connecting port;
the oil outlet end of the oil spray nozzle is connected with the fluid inlet end of the heating device, so that the oil outlet of the oil spray nozzle is communicated with the fluid inlet of the heating device;
and the air outlet end of the air inlet pipe is connected with the fluid inlet end of the heating device, so that the air outlet of the air inlet pipe is communicated with the fluid inlet of the heating device.
Preferably, a connecting port communicated with the overflowing hole is formed in the shell;
the heating element is inserted into the overflowing hole through the connecting port and seals the connecting port.
Preferably, the heating element is a PTC heater.
Preferably, the external dimension of the part of the PTC heating element inserted into the overflowing hole is matched with the outline of the inner edge of the overflowing hole.
Preferably, the number of the heating devices and the number of the oil nozzles are both N, and N is a positive integer greater than 1;
the oil outlet ends of the N oil nozzles are respectively connected with the fluid inlet ends of the N heating devices in a one-to-one correspondence manner, so that the oil outlet of the corresponding oil nozzle is communicated with the fluid inlet of the corresponding heating device;
and the air outlet end of the air inlet pipe is respectively connected with the fluid inlet ends of the N heating devices, so that the air outlet of the air inlet pipe is respectively communicated with the fluid inlets of the N heating devices.
Preferably, the method further comprises the following steps:
the connecting piece is hollow, the connecting piece is provided with an air inlet and N air outlets, and the air inlet end of the connecting piece is connected with the air outlet end of the air inlet pipe so that the air inlet of the connecting piece is communicated with the air outlet of the air inlet pipe; and the N air outlets of the connecting piece are correspondingly connected with the fluid inlets of the N heating devices one by one, so that the corresponding air outlets of the connecting piece are communicated with the fluid inlets of the corresponding heating devices.
Preferably, the connecting piece comprises a connecting piece body and N air outlet pipes arranged on the connecting piece body, the connecting piece body is hollow, the connecting piece body is provided with the air inlet, the N air outlet pipes are communicated with the inside of the connecting piece body, the ports of the N air outlet pipes are used as the N air outlets, each air outlet pipe is provided with a connector communicated with the inside of the connecting piece body, the oil outlet ends of the N oil nozzles are respectively connected with the N connectors in a one-to-one correspondence manner, so that the oil outlets of the corresponding oil nozzles are communicated with the corresponding connectors, and each connector faces to each air outlet corresponding to the connector.
Preferably, the housings of the N heating devices are integrally formed to form a connecting housing having N fluid inlets, N fluid outlets, N connecting ports, and N overflowing holes, and corresponding to each other one to one.
Preferably, the connection housing includes a first surface, a second surface, and a third surface;
the first surface is opposite to the second surface, and the third surface is arranged between the first surface and the second surface;
the first surface is provided with N fluid inlets at intervals in sequence, the second surface is provided with N fluid outlets at intervals in sequence, and the third surface is provided with N connecting ports at intervals in sequence.
The invention also provides an engine system, which comprises an engine, the fuel oil heating system, an oil tank and an oil pump,
the engine has N air inlets;
n fluid outlet ends of a heating device of the fuel oil heating system are correspondingly connected with N air inlet ends of the engine one by one, so that the fluid outlet of the corresponding heating device is communicated with the corresponding air inlet of the engine;
the oil inlet of the oil pump is communicated with the inside of the oil tank, and the oil outlet end of the oil pump is in one-to-one correspondence connection with the oil inlet ends of the N oil nozzles of the fuel heating system through a distributor guide rail and is used for respectively pumping the fuel in the oil tank to the N oil nozzles.
Preferably, the distributor guide rail is hollow, and the distributor guide rail is also provided with an oil inlet and N oil outlets communicated with the inside;
the oil inlet end of the distributor guide rail is connected with the oil outlet end of the oil pump, so that the oil inlet of the distributor guide rail is communicated with the oil outlet of the oil pump;
the N oil outlet ends of the distributor guide rail are connected with the oil inlet ends of the N oil nozzles in a one-to-one correspondence mode, so that the corresponding oil outlets of the distributor guide rail are communicated with the oil inlets of the corresponding oil nozzles.
The fuel oil heating system and the engine system provided by the invention at least have the following beneficial effects:
in the technical scheme provided by the invention, fuel oil such as methanol of an engine can enter the overflowing hole from the fluid inlet of the heating device through the oil nozzle, correspondingly, air can enter the overflowing hole from the fluid inlet of the heating device through the air inlet pipe, at least one part of the heating element is arranged in the overflowing hole, the heating element can heat the fuel oil passing through the flowing hole and the air together, the fuel oil such as methanol can be fully volatilized after absorbing heat under a low-temperature environment and is mixed with the air to form an easily ignited mixed gas, and the engine can be easily started after the mixed gas enters the engine from the air inlet of the engine, so that the problem that the engine is difficult to start due to the fact that the fuel oil of the engine is difficult to volatilize at a low temperature in the prior art is solved; and the heating element can be detachably connected in the connecting port, and the heating element is inserted into the overflowing hole through the connecting port and the connecting port is closed, so that the heating element is convenient to maintain and replace.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a fuel heating system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a housing of a heating device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a heating device according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a heating element of a heating device according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a connector according to an embodiment of the present invention;
FIG. 6 is a schematic view of a connecting member coupled to an injector according to an embodiment of the present invention;
FIG. 7 is a schematic illustration of a portion of an engine start control portion of an engine system according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a dispenser guide rail according to an embodiment of the present invention.
Reference numbers in the figures: 1-heating device, 11-shell, 111-fluid inlet, 112-fluid outlet, 113-connecting port, 1102-second surface, 1103-third surface, 12-heating element, 2-oil nozzle, 3-air inlet pipe, 4-connecting piece, 41-air inlet, 42-air outlet, 43-interface, 401-connecting piece body, 402-air outlet pipe, 5-oil tank, 6-oil pump, 7-distributor guide rail and 71-oil inlet.
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 only a part of the embodiments of the present invention, and not all of the 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 invention.
The invention provides a fuel oil heating system and an engine system, and mainly aims to enable an engine of the engine system to be quickly started at a low temperature through the fuel oil heating system, so that the problems in the background art can be effectively solved.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 to 3, a fuel heating system according to an embodiment of the present invention includes a heating device 1, an injection nozzle 2, and an intake pipe 3. The heating device 1 comprises a housing 11 and a heating element 12. The heating element 12 is disposed on the housing 11. The housing 11 is provided with a fluid inlet 111 and a fluid outlet 112. The housing 11 is provided with an overflowing hole (not shown) communicating the fluid inlet 111 and the fluid outlet 112, and fluid can flow into the overflowing hole from the fluid inlet 111 and flow out from the fluid outlet 112. At least a portion of the heating element 12 is disposed within the flow bore for heating fluid flowing through the flow bore. A connecting port 113 communicated with the overflowing hole is arranged on the shell 11; the heating element 12 can be detachably connected in the connecting port 113; the heating element 12 is inserted into the overflowing hole through the connecting port 113, and the connecting port 113 is closed; the oil jet 2 has an oil inlet (not shown) and an oil outlet (not shown). The oil outlet end of the oil nozzle 2 is connected with the fluid inlet 111 end of the heating device 1, so that the oil outlet of the oil nozzle 2 is communicated with the fluid inlet 111 of the heating device 1, and oil sprayed by the oil nozzle 2 can enter the overflowing hole from the fluid inlet 111. The intake pipe 3 has an intake port (not shown) and an outlet port (not shown). The air outlet end of the air inlet pipe 3 is connected with the fluid inlet 111 end of the heating device 1, so that the air outlet of the air inlet pipe 3 is communicated with the fluid inlet 111 of the heating device 1, and therefore the gas, such as air, in the air inlet pipe 3 can enter the flow hole from the fluid inlet 111.
In the technical solution provided by the above embodiment, as shown in fig. 1, fuel of an engine, such as methanol, can enter the flow passage hole from the fluid inlet 111 of the heating device 1 via the fuel injection nozzle 2, and correspondingly, air can enter the flow passage hole from the fluid inlet 111 of the heating device 1 via the air inlet pipe 3, with at least a portion of the heating element 12 disposed within the flow aperture, the heating element 12 can heat the fuel and air flowing through the flow aperture, under low temperature environment, fuel oil such as methanol can be fully volatilized after absorbing heat and is mixed with air to form mixture gas which is easy to ignite, after the mixture is led out of the fluid outlet 112 of the heating device 1 into the engine, the engine can be started easily, therefore, the problem that the engine is not easy to start due to the fact that fuel oil of the engine is not easy to volatilize at low temperature in the prior art is solved; furthermore, the heating element 12 can be detachably connected to the connection port 113, and by inserting the heating element 12 into the through-flow hole through the connection port 113 and closing the connection port, it is only necessary to detach the heating element 12 from the connection port 113 for maintenance and replacement, and it is not necessary to detach other components, thereby facilitating maintenance and replacement of the heating element 13.
Specifically, in the case of implementing the fuel heating system, as shown in fig. 2, the housing 11 may be provided with a connection port 113 communicating with the flow passage hole. As shown in fig. 3, the heating element 12 is inserted into the through-flow hole through the connection port 113, and the connection port 113 is closed to prevent the fluid in the through-flow hole from overflowing from the connection port 113. Wherein, heating element 12 may be provided with a connecting portion (not shown), heating element 12 is connected with housing 11 through this connecting portion, this connecting portion may be a connecting plate welded on heating element 12, etc., and the connecting plate passes through the bolt fastening with housing 11, has dismantled and assembled technological effect, in order to make things convenient for heating element 12's maintenance and change.
Here, it should be noted that: in a specific application example, as shown in fig. 4, the heating element 12 may be a PTC heater. The PTC heater is also called as PTC heater, and is composed of PTC ceramic heating element and aluminum tube. The PTC heating body consists of a galvanized outer pressing plate, a stainless steel corrugated spring piece, a galvanized inner pressing plate, a single-layer aluminum heat dissipation piece, a PTC heating piece, a double-layer aluminum heat dissipation piece, a nickel-plated copper electrode terminal and a pps high-temperature plastic electrode sheath. The product adopts the u-shaped corrugated radiating fins, so that the radiating rate is improved, the advantages of adhesion and mechanical type are integrated, various thermal and electrical phenomena of the ptc heating piece during working are fully considered, the bonding force is strong, the heat conduction and radiating performance are excellent, the efficiency is high, and the product is safe and reliable. The PTC heater has the advantages of small thermal resistance and high heat exchange efficiency, and is an automatic constant-temperature and electricity-saving electric heater. The PTC heater has the prominent characteristics that in terms of safety performance, the PTC heater does not generate the phenomenon of 'red' on the surface of a heater such as an electric heating tube when in work, so that open fire does not exist, and fuel such as methanol does not ignite when passing through the PTC heater, so that the safety performance is higher.
Furthermore, the external dimension of the part of the PTC heating element inserted into the flow hole is matched with the inner edge profile of the flow hole, for example, if the inner edge profile of the flow hole is square, the part of the PTC heating element inserted into the flow hole is also square, or both are round or oval, etc., so that the flow hole can be completely filled with the PTC heating element on the cross section of the flow hole, the fluid passing through the flow hole, such as methanol fuel, can be fully heated, and the methanol can be fully gasified after being heated.
In a specific application example, in order to enable the foregoing fuel heating system to conveniently warm up and start an engine having a plurality of intake ports, as shown in fig. 1, the number of the above heating device 1 and the number of the above fuel injection nozzle 2 may be N, where N is a positive integer greater than 1. The value of N may be determined according to the number of intake ports of the engine in practical application, for example, if the number of intake ports of the engine is 4, then N is 4. The oil outlet ends of the N oil nozzles 2 are respectively connected with the fluid inlet 111 ends of the N heating devices 1 in a one-to-one correspondence manner, so that the oil outlets of the corresponding oil nozzles 2 are communicated with the fluid inlet 111 of the corresponding heating device 1. The air outlet end of the air inlet pipe 3 is connected with the fluid inlets 111 of the N heating devices 1, so that the air outlet of the air inlet pipe 3 is communicated with the fluid inlets 111 of the N heating devices 1. The fluid outlet 112 ends of the N heating devices 1 in this embodiment may be connected to the N air intake ends of the engine in a one-to-one correspondence, so that the fluid outlet 112 of the corresponding heating device 1 communicates with the air intake of the corresponding engine. The process of heating the mixture of fuel and air by each heating device 1 may refer to the corresponding description above, and is not described herein again.
What needs to be added here is: in order to achieve the technical effect that the air outlets of the air inlet pipe 3 are respectively communicated with the fluid inlets 111 of the N heating devices 1, as shown in fig. 5, the fuel heating system may comprise a connecting piece 4, wherein the connecting piece 4 is hollow and is provided with an air inlet 41 and N air outlets 42. The air outlet end of the air inlet pipe 3 is connected with the air inlet end of the connecting piece 4, so that the air outlet of the air inlet pipe 3 is communicated with the air inlet 41 of the connecting piece 4. The N air outlet ends of the connecting member 4 are respectively connected with the fluid inlet 111 ends of the N heating devices 1 in a one-to-one correspondence manner, so that the corresponding air outlets 42 of the connecting member 4 are communicated with the fluid inlets 111 of the corresponding heating devices 1, and thus the air outlets of the air inlet pipe 3 can be respectively communicated with the fluid inlets 111 of the N heating devices 1 through the connecting member 4.
Further, in order to achieve the technical effect that the air outlet of the connecting element 4 and the oil outlet of the oil nozzle 2 can be simultaneously communicated with the fluid inlet 111 of the heating device 1, as shown in fig. 6, the connecting element 4 may include a connecting element body 401 and N air outlet pipes 402 disposed on the connecting element body 401, the connecting element body 401 is hollow, and the connecting element body 401 is provided with the air inlet 41 of the connecting element 4. The N outlet pipes 402 communicate with the inside of the connector body 401, and the ports of the N outlet pipes 402 serve as the N air outlets 42 of the connector 4. Each outlet pipe 402 may be provided with a connector 43 (as shown in fig. 5) communicating with the inside, the oil outlet ends of the N oil injectors 2 are respectively connected with the N connectors 43 on the N outlet pipes 402 in a one-to-one correspondence, so that the oil outlet of the corresponding oil nozzle 2 is communicated with the interface 43 on the corresponding air outlet pipe 402, each interface 43 faces to each air outlet 42 corresponding to the interface 43, so that when the air outlet end of the connecting piece 4 is connected with the fluid inlet 111 end of the heating device 1, the air outlet 42 of the connecting piece 4 and the oil outlet of the oil nozzle 2 are simultaneously communicated with the fluid inlet 111 of the heating device 1, because each interface 43 faces to each air outlet 42 corresponding to the interface, the oil liquid can quickly enter the overflowing hole along with the air from the fluid inlet 111, volatilize under the heating action of each heating element 12 and are mixed with air to form an ignitable mixed gas.
The N heating devices 1 may be N mutually independent heating devices 1, and a user may install the N heating devices 1 respectively according to the size of the actual space, so as to improve the utilization rate of the space. However, in an alternative embodiment, in order to reduce the volume of the N heating devices 1, the N heating devices 1 may be integrated together. Specifically, as shown in fig. 2, the housings 11 of the N heating devices 1 are integrally formed to form a large connecting shell. The connecting shell has N fluid inlets 111, N fluid outlets 112, N connecting ports 113 and N overflowing holes, the N fluid inlets 111, N fluid outlets 112, N connecting ports 113 and N overflowing holes are in one-to-one correspondence with each other, and the N heating elements 12 are inserted into the N overflowing holes respectively, so that the connecting shell has the functions of the N independent heating devices 1.
Here, it should be noted that: the fluid inlet 111 of the heating apparatus 1 may be connected to the air outlet of the connecting member 4 by a flange, a connecting plate, or the like, and the fluid outlet 112 of the heating apparatus 1 may be connected to an external port (e.g., a port of an external pipe) by a flange, a connecting plate, or the like.
Further, as shown in fig. 2, the connecting shell includes a first surface (not labeled), a second surface 1102 and a third surface 1103. The first surface is opposite to the second surface 1102, and the third surface 1103 is disposed between the first surface and the second surface 1102. For example, the connection housing may have a square shape, the first surface and the second surface 1102 may be a front surface and a rear surface of the square connection housing, respectively, and the third surface 1103 may be an upper surface or a lower surface of the square connection housing. The N fluid inlets 111 are sequentially arranged on the first surface at intervals, the N fluid outlets 112 are sequentially arranged on the second surface 1102 at intervals, and the N connection ports 113 are sequentially arranged on the third surface 1103 at intervals.
In a specific embodiment, as shown in fig. 2, the connecting shell may have a long bar shape, and the N fluid inlets 111 are sequentially spaced along the length direction of the connecting shell on the first surface. Accordingly, the N fluid outlets 112 are sequentially spaced apart along the length direction of the connection housing on the second surface, and the N connection ports 113 are sequentially spaced apart along the length direction of the connection housing on the third surface.
Here, it should be noted that: the fuel used in the fuel heating system of the present invention may be methanol or diesel, etc., and it should be understood by those skilled in the art that the methanol or diesel, etc., are only examples, and are not intended to limit the technical solution of the present embodiment, and other types of fuel are also applicable.
As shown in fig. 7, the embodiment of the present invention also provides an engine system including an engine, a fuel heating system, a fuel tank 5, and a fuel pump 6. The fuel heating system comprises a heating device, an oil nozzle and an air inlet pipe. The heating device comprises a shell and a heating element arranged on the shell, wherein the shell is provided with a fluid inlet and a fluid outlet, and an overflowing hole communicated with the fluid inlet and the fluid outlet is formed in the shell; at least a portion of the heating element is disposed within the flow aperture for heating fluid flowing through the flow aperture; the oil outlet end of the oil nozzle is connected with the fluid inlet end of the heating device, so that the oil outlet of the oil nozzle is communicated with the fluid inlet of the heating device; the air outlet end of the air inlet pipe is connected with the fluid inlet end of the heating device, so that the air outlet of the air inlet pipe is communicated with the fluid inlet of the heating device. A connecting port communicated with the overflowing hole is arranged on the shell; the heating element is inserted into the overflowing hole through the connecting port and seals the connecting port. The number of the heating devices and the number of the oil nozzles are N, and N is a positive integer greater than 1; the oil outlet ends of the N oil nozzles are respectively connected with the fluid inlet ends of the N heating devices in a one-to-one correspondence manner, so that the oil outlets of the corresponding oil nozzles are communicated with the fluid inlets of the corresponding heating devices; the air outlet end of the air inlet pipe is respectively connected with the fluid inlet ends of the N heating devices, so that the air outlet of the air inlet pipe is respectively communicated with the fluid inlets of the N heating devices. Here, it should be noted that: the fuel oil heating system related in this embodiment may adopt the structure of the fuel oil heating system described in the above corresponding embodiment, and specific implementation and working principle may refer to corresponding contents in the above embodiment, which are not described herein again.
In the solution of the above engine system, as shown in fig. 7, the engine has N intake ports. The N fluid outlet 112 ends of the heating device 1 of the above fuel oil heating system are connected with the N air inlet ends of the engine in a one-to-one correspondence, so that the fluid outlet 112 of the corresponding heating device 1 is communicated with the corresponding air inlet of the engine. The fluid outlet 112 end of the corresponding heating device 1 may be directly connected to the corresponding air inlet end of the engine, or may be connected through a transmission pipe or the like, and may be specifically set according to the actual requirements of the user. The oil pump 6 has an oil inlet (not shown) and an oil outlet (not shown). An oil inlet of the oil pump 6 is communicated with the inside of the oil tank 5, and can be communicated with the inside of the oil tank 5 through a transmission pipe. The oil outlet end of the oil pump 6 is correspondingly connected with the oil inlet ends of the N oil nozzles 2 of the fuel heating system in a one-to-one manner through a distributor guide rail 7, and the oil outlet ends are used for respectively pumping fuel, such as methanol, in the oil tank 5 to the N oil nozzles 2.
The starting process of the engine system is as follows: first, the fuel pump 6 pumps fuel such as methanol in the fuel tank 5 into the dispenser rail 7; then the distributor guide rail 7 sprays the fuel oil into the flow passing holes from the fluid inlets 111 of the corresponding heating devices 1 through the fuel spray nozzles 2 respectively, the air in the air inlet pipe 3 also enters the flow passing holes from the fluid inlets 111 of the heating devices 1, the mixed gas formed by the air and the fuel oil flows through the flow passing holes and is heated by the heating elements 12 of the flow passing holes, and the fuel oil is fully gasified after being heated; the heated mixture gas flows from the fluid outlet 112 of the corresponding heating apparatus 1 into the corresponding intake port of the engine, where the mixture gas is ignited and the engine is started.
In which the mixture gas formed by air and fuel is preheated by the heating device 1 before entering the engine and the fuel is sufficiently vaporized, so that the engine can be easily started even in a low temperature environment.
Specifically, when the technical scheme of the engine system is implemented, in order to achieve the technical effect that the oil outlet end of the oil pump 6 is respectively connected with the oil inlet ends of the N oil nozzles 2 of the fuel heating system through the distributor guide rail 7, the invention further provides the following implementation modes: as shown in fig. 8, the interior of the distributor rail 7 is hollow, and the distributor rail 7 is further provided with an oil inlet 71 and N oil outlets (not shown) communicating with the interior. The oil inlet end of the distributor guide rail 7 is connected with the oil outlet end of the oil pump 6, so that the oil inlet of the distributor guide rail 7 is communicated with the oil outlet of the oil pump 6. The N oil outlet ends of the distributor guide rail 7 are connected with the oil inlet ends of the N oil nozzles 2 in a one-to-one correspondence mode, so that the corresponding oil outlets of the distributor guide rail 7 are communicated with the oil inlets of the corresponding oil nozzles 2.
Further, as shown in fig. 8, the distributor rail 7 may be a long strip, and the N oil outlets of the distributor rail 7 are sequentially distributed at intervals along the length direction of the distributor rail 7, so as to facilitate the installation of the oil nozzle 2.
The engine system provided by the embodiment of the invention can be applied to power devices provided with engines, such as various vehicles, generator sets or ships, and the like.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. A fuel heating system, comprising:
the heating device comprises a shell and a heating element arranged on the shell, wherein the shell is provided with a fluid inlet and a fluid outlet, and an overflowing hole communicated with the fluid inlet and the fluid outlet is formed in the shell; at least one part of the heating element is arranged in the flow hole and used for heating the fluid flowing through the flow hole; a connecting port communicated with the overflowing hole is arranged on the shell; the heating element is detachably connected in the connecting port; the heating element is inserted into the overflowing hole through the connecting port and seals the connecting port;
the oil outlet end of the oil spray nozzle is connected with the fluid inlet end of the heating device, so that the oil outlet end of the oil spray nozzle is communicated with the fluid inlet of the heating device;
and the air outlet end of the air inlet pipe is connected with the fluid inlet end of the heating device, so that the air outlet of the air inlet pipe is communicated with the fluid inlet of the heating device.
2. Fuel heating system according to claim 1,
the heating element is a PTC heating body.
3. Fuel heating system according to claim 2,
the external dimension of the part of the PTC heating element inserted into the overflowing hole is matched with the outline of the inner edge of the overflowing hole.
4. Fuel heating system according to any of claims 1 to 3,
the number of the heating devices and the number of the oil nozzles are N, and N is a positive integer greater than 1;
the oil outlet ends of the N oil nozzles are respectively connected with the fluid inlet ends of the N heating devices in a one-to-one correspondence manner, so that the oil outlet of the corresponding oil nozzle is communicated with the fluid inlet of the corresponding heating device;
and the air outlet end of the air inlet pipe is respectively connected with the fluid inlet ends of the N heating devices, so that the air outlet of the air inlet pipe is respectively communicated with the fluid inlets of the N heating devices.
5. A fuel heating system as set forth in claim 4, further comprising:
the connecting piece is hollow, the connecting piece is provided with an air inlet and N air outlets, and the air inlet end of the connecting piece is connected with the air outlet end of the air inlet pipe so that the air inlet of the connecting piece is communicated with the air outlet of the air inlet pipe; and the N air outlets of the connecting piece are correspondingly connected with the fluid inlets of the N heating devices one by one, so that the corresponding air outlets of the connecting piece are communicated with the fluid inlets of the corresponding heating devices.
6. A fuel oil heating system as set forth in claim 5, characterized in that said connecting member includes a connecting member body and N outlet pipes provided on said connecting member body, said connecting member body being hollow, said connecting member body being provided with said air inlet, said N outlet pipes being communicated with the interior of said connecting member body, the ports of said N outlet pipes serving as said N air outlets, each of said outlet pipes being provided with a port communicated with the interior of said connecting member body, the oil outlet ends of said N injectors being connected with said N ports in a one-to-one correspondence so that the oil outlets of the corresponding injectors are communicated with the corresponding ports, and each of said ports facing the corresponding air outlet.
7. Fuel heating system according to claim 4,
n heating device's casing integrated into one piece forms and has N fluid entry, N fluid outlet, N connector and N discharge orifice, and the mutual one-to-one connection shell that just corresponds.
8. Fuel heating system according to claim 7,
the connection shell comprises a first surface, a second surface and a third surface;
the first surface is opposite to the second surface, and the third surface is arranged between the first surface and the second surface;
the first surface is provided with N fluid inlets at intervals in sequence, the second surface is provided with N fluid outlets at intervals in sequence, and the third surface is provided with N connecting ports at intervals in sequence.
9. An engine system, comprising:
an engine having N intake ports;
a fuel heating system according to any one of claims 4 to 8, wherein the N fluid outlet ports of the heating devices of the fuel heating system are connected in one-to-one correspondence with the N intake ports of the engine, so that the fluid outlet ports of the respective heating devices communicate with the respective intake ports of the engine;
an oil tank;
and an oil inlet of the oil pump is communicated with the inside of the oil tank, and an oil outlet end of the oil pump is in one-to-one correspondence connection with oil inlet ends of N oil nozzles of the fuel heating system through a distributor guide rail and is used for respectively pumping the fuel in the oil tank to the N oil nozzles.
10. The engine system of claim 9, wherein the interior of the distributor rail is hollow, and the distributor rail is further provided with an oil inlet and N oil outlets communicating with the interior;
the oil inlet end of the distributor guide rail is connected with the oil outlet end of the oil pump, so that the oil inlet of the distributor guide rail is communicated with the oil outlet of the oil pump;
the N oil outlet ends of the distributor guide rail are connected with the oil inlet ends of the N oil nozzles in a one-to-one correspondence mode, so that the corresponding oil outlets of the distributor guide rail are communicated with the oil inlets of the corresponding oil nozzles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110811364.8A CN113323776A (en) | 2015-12-30 | 2015-12-30 | Fuel oil heating system and engine system |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110811364.8A CN113323776A (en) | 2015-12-30 | 2015-12-30 | Fuel oil heating system and engine system |
| CN201511021155.4A CN105464849A (en) | 2015-12-30 | 2015-12-30 | Fuel oil heating system and engine system |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201511021155.4A Division CN105464849A (en) | 2015-12-30 | 2015-12-30 | Fuel oil heating system and engine system |
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| CN113323776A true CN113323776A (en) | 2021-08-31 |
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| CN201511021155.4A Pending CN105464849A (en) | 2015-12-30 | 2015-12-30 | Fuel oil heating system and engine system |
| CN202110811364.8A Pending CN113323776A (en) | 2015-12-30 | 2015-12-30 | Fuel oil heating system and engine system |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201511021155.4A Pending CN105464849A (en) | 2015-12-30 | 2015-12-30 | Fuel oil heating system and engine system |
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| CN108612605A (en) * | 2018-03-21 | 2018-10-02 | 北京理工大学 | A kind of preheating device, system and method |
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| US20060150958A1 (en) * | 2003-07-28 | 2006-07-13 | Gill Alan P | Quick temperature rise air intake heater |
| CN201037442Y (en) * | 2006-12-14 | 2008-03-19 | 菲利普斯&坦洛工业有限公司 | Heater and air admission component for internal-combustion engine |
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| CN105464849A (en) | 2016-04-06 |
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