CN201714517U - Oil channel structure of fuel heating system of diesel engine - Google Patents
Oil channel structure of fuel heating system of diesel engine Download PDFInfo
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- CN201714517U CN201714517U CN201020181625XU CN201020181625U CN201714517U CN 201714517 U CN201714517 U CN 201714517U CN 201020181625X U CN201020181625X U CN 201020181625XU CN 201020181625 U CN201020181625 U CN 201020181625U CN 201714517 U CN201714517 U CN 201714517U
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- diesel engine
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Abstract
The utility model discloses an oil channel structure of a fuel heating system of a diesel engine, which comprises an engine and a fuel tank wherein the engine and the fuel tank are connected with each other by the an oil line which comprises an output oil line from the fuel tank to the engine and an oil return line from the engine to the fuel tank, the output oil line is respectively connected with an oil-water separator, a primary fine filter and a secondary fine filter, the fuel tank, the oil-water separator, the primary fine filter and the secondary fine filter are provided with electric heating lines respectively, and the oil return line is provided with a heat exchanger. The oil channel structure has the advantages of simple structure, relatively simple installation, safe use, reliability and stability, does not need to be disassembled all the year around, and the original machinery and circuit as well as the oil line are not changed basically, thereby not influencing maintenance of the vehicle.
Description
Technical field
The utility model relates to a kind of diesel engine fuel-firing heating system oil channel structures.
Background technique
Because China is geographical vast, the latitude span is big, and the north and south temperature difference is very big, and economic development now is very fast in addition, causes personnel and goods flow very big, the also figure of unrare southern area vehicle in the most northern city.
Early winter in 2009, several thousand high capacity waggons queuing traffic congestion phenomenons appear in the Xingxing gorge highway section of Xinjiang and boundary, Gansu, trace it to its cause is can't normally start because unexpected cooling weather causes the fuel oil of vehicle to freeze to travel, cause the main cause of this consequence also not to be cold, but generally higher, so add in the locality less than the lower oil of condensation point negative sign oil just at the boundary of a piece of land, Gansu temperature.
This phenomenon also is that generation is often arranged in the summer of high height above sea level extremely frigid zones, will wear the shirt estivate under the mountain, and it is snowing in large flakes on the mountain is severe winter, also will add negative sign oil in full summer, makes the vehicle driver complain bitterly.
Nowadays unusual, extreme weather frequently occurs, and the non-constant of ability of vehicle reply extreme weather.Extreme weather such as the low temperature snowfall that almost sweeps over the country in winter of 2008-2010, low grade diesel oil is seldom laid in south, because the past does not have such microthermal climate, the vehicle driver has not more had the knowledge of this respect, very likely cause a large amount of vehicles can't normally start and cast anchor, cause great inconvenience and loss for people's productive life with midway.Road freezes in addition, the highway communication transportation was once in paralyzed state, even breakdown lorry also can't normally start, it is the most diesel engine that adopt of these vehicles that individual most important reason is wherein arranged, and diesel engine has following advantage: output torque is big, power is strong, the fuel economy height, engine temperature is low, engine life is long, the discharging environmental protection, and fuel price is low.And common No. 0 diesel oil is being lower than under-5 ℃ of environment and just can't have normally used.
Diesel oil is the special fuel that is applied to compression ignition engine (being diesel engine).The outward appearance of diesel oil is water white, light yellow or tan liquid.The standard that diesel product is carried out at present is GB 252-2000 " Diesel oil " standard, the model of diesel oil is divided into No. 10, No. 5, No. 0 ,-No. 10 ,-No. 20 ,-No. 35 etc. in this standard, the trade mark of diesel oil is divided according to being the solidifying point of diesel oil, and the low temperature usability of solidifying point and diesel oil has direct corresponding relation.Because before diesel oil solidifies, separate out paraffin crystal earlier, the filter screen that they tend to stop up diesel engine causes failure of oil feed.Therefore, the vehicle of use diesel engine will note selecting according to the ambient temperature of locality the oil product of suitable label).
From economic benefit, under the temperature environment permission, should use high grade diesel oil as far as possible, because the good calorific value height of high grade diesel oil flammability, power is good, and oil consumption is low, and price is low.Comparatively speaking, low grade diesel oil calorific value is low, and flammability is relatively poor, and the differential force oil consumption is many, and the price height also has the warm diesel oil can be than the more abundant more fuel-economizing of cold oil burning.Simply say: high grade diesel oil (No. 0 diesel oil) is more fuel-efficient than the more anti-burning of low grade diesel oil.
Can allow No. 0 diesel oil of the normal use of diesel vehicle reach energy saving purposes under the ambient temperature of cold or under the environment of temperature variation impermanence?
The scheme of Xie Jueing is very simple in fact: be exactly to allow No. 0 oil not want wax deposition, make oil circuit unimpeded.
Common solution has several:
1, electric heating: come the oil circuit and the oil storage equipment of diesel-oil vehicle are heated the purpose that realizes using under the low temperature environment No. 0 diesel oil with regard to the electric energy that is to use vehicle itself or alternate manner to supply.The simplest the electric furnace heating wire of in oil pipe, adding exactly, even do not have temperature controller, the driver is manual fully.There is very large potential safety hazard, about minimum operating range-8 ℃.Band control electric heating that better is: this scheme is fairly simple feasible, and advantage is to install simply relatively, and general miantainers do simple training and just can grasp.Shortcoming is will use the power supply of vehicle own always, and the electric weight supply on the vehicle is very limited again, if under the situation that whole electric consumer is all opened, just is difficult to satisfy the need for electricity of heating.Also having a shortcoming is can use in 18 degree scopes in diesel number temperature and ambient temperature, was to use such as No. zero diesel oil before-20 degree, temperature will be with-No. 5 oil below-20 will used-No. 15 oil when temperature-30 is spent by that analogy, so be not suitable for using, also have no idea fundamentally to solve the problem of winter with No. 0 diesel oil at extremely frigid zones.
2, diesel oil boiler: the purposes of diesel oil boiler extensively on vehicle, installing very mainly be with solve winter heating installation and starting a cold engine before heat effect in advance, also can be used for the heating of diesel oil through simple transformation, but install complicated, want two fuel tanks will transform large tank in addition and add the water courage, oil pipe pipeline complexity, installation cost is very high, uses difficulty big.Maximum problem is that boiler itself will consume diesel oil and electric power, does not belong to the energy-conserving and environment-protective product.
3, two fuel tanks: be exactly original fuel tank is separated into two little fuel tanks (or small one and large one two independently fuel tank), the part dress low grade diesel oil that capacity is little, the jumbo diesel oil of adorning No. 0, two fuel tanks all have independently oil transportation return line, are to switch the switching that realizes different oil products with valve.In the parking front oil duct, put into negative sign oil, when starting oil circuit with regard to can not stop up because of freezing, wait for bus start after conversion again, and also have other heating plant, as diesel oil boiler, cooling liquid, No. 0 diesel oil of heating such as tail gas.Installation cost is too high, finished product cut off two fuel tanks expensive want more than 5000 yuan, and refuel trouble and will add two kinds of fuel oils, very many conversion valves have been installed have been used also very complicatedly, also have potential safety hazard.
4, waste gas partition mode of heating: change outlet pipe or oil pipe mounting point, make flue by fuel tank or oil pipe is heated by flue.This heat protocol is simple, but exists poor reliability and have great potential safety hazard.
Thereby market expectation is a kind of can allow No. 0 oil not want wax deposition, make the unimpeded simple and practical solution of oil circuit.
The model utility content
The utility model technical issues that need to address just are to overcome the defective of prior art, a kind of diesel engine fuel-firing heating system oil channel structures is provided, it is simple in structure, install simple relatively, safe in utilization, reliable, stable, the four seasons all need not remove, and do not change former car machinery and circuit and oil circuit substantially, do not influence the maintenance of vehicle.
For addressing the above problem, the utility model adopts following technological scheme:
The utility model provides a kind of diesel engine fuel-firing heating system oil channel structures, comprise motor and fuel tank, connect by oil circuit between described motor and the fuel tank, described oil circuit comprises by fuel tank and to be connected with oil and water seperator, one-level fine cleaner and secondary fine cleaner on the described output circuit respectively to the output circuit of motor output with by the return line of motor to fuel tank output; Described fuel tank and output circuit, oil and water seperator, one-level fine cleaner and secondary fine cleaner are separately installed with electric heating wire, and a heat exchanger is installed on the described return line.
Being provided with cooling liquid between described heat exchanger and the motor goes heat exchange manifold and cooling liquid to postback the motivation pipeline.
It is fast that electric heating wire of the present utility model has warming velocity, and efficiency of heating surface height is spared characteristics such as heat condition is good, even oil pipe does not have oil can not scorch oil pipe yet, versatility is very strong.
The utility model is simple in structure, installs simply relatively, safe in utilization, reliable, stable, and the four seasons all need not remove, and does not change former car machinery and circuit and oil circuit substantially, does not influence the maintenance of vehicle.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
As shown in Figure 1, a kind of diesel engine fuel-firing heating system of the utility model oil channel structures, comprise motor 1 and fuel tank 2, connect by oil circuit between described motor and the fuel tank, described oil circuit comprises by fuel tank and to be connected with oil and water seperator 5, one-level fine cleaner 6 and secondary fine cleaner 7 on the described output circuit respectively to the output circuit 3 of motor output with by the return line 4 of motor to fuel tank output; Described fuel tank and oil and water seperator, one-level fine cleaner and secondary fine cleaner are separately installed with electric heating wire 8, and a heat exchanger 9 is installed on the described return line.
Being provided with cooling liquid between described heat exchanger and the motor goes heat exchange manifold 10 and cooling liquid to postback motivation pipeline 11.
It is fast that electric heating wire of the present utility model has warming velocity, and efficiency of heating surface height is spared characteristics such as heat condition is good, even oil pipe does not have oil can not scorch oil pipe yet, versatility is very strong.
The utility model is simple in structure, installs simply relatively, safe in utilization, reliable, stable, and the four seasons all need not remove, and does not change former car machinery and circuit and oil circuit substantially, does not influence the maintenance of vehicle.
It should be noted that at last: obviously, the foregoing description only is for the utility model example clearly is described, and is not the qualification to mode of execution.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all mode of executions.And conspicuous variation of being amplified out thus or change still are among the protection domain of the present utility model.
Claims (2)
1. diesel engine fuel-firing heating system oil channel structures, comprise motor and fuel tank, connect by oil circuit between described motor and the fuel tank, it is characterized in that: described oil circuit comprises by fuel tank and to be connected with oil and water seperator, one-level fine cleaner and secondary fine cleaner on the described output circuit respectively to the output circuit of motor output with by the return line of motor to fuel tank output; Described fuel tank and output circuit, oil and water seperator, one-level fine cleaner and secondary fine cleaner are separately installed with electric heating wire, and a heat exchanger is installed on the described return line.
2. diesel engine fuel-firing heating system oil channel structures as claimed in claim 1 is characterized in that: be provided with cooling liquid between described heat exchanger and the motor and go heat exchange manifold and cooling liquid to postback the motivation pipeline.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201020181625XU CN201714517U (en) | 2010-05-07 | 2010-05-07 | Oil channel structure of fuel heating system of diesel engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201020181625XU CN201714517U (en) | 2010-05-07 | 2010-05-07 | Oil channel structure of fuel heating system of diesel engine |
Publications (1)
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CN201714517U true CN201714517U (en) | 2011-01-19 |
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CN201020181625XU Expired - Fee Related CN201714517U (en) | 2010-05-07 | 2010-05-07 | Oil channel structure of fuel heating system of diesel engine |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103195620A (en) * | 2013-04-02 | 2013-07-10 | 中国人民解放军军事交通学院 | Fuel low-temperature preheating and control device of diesel engine |
CN112360652A (en) * | 2020-12-31 | 2021-02-12 | 十堰晟堂工贸有限责任公司 | Low-temperature diesel heating method for diesel vehicle |
-
2010
- 2010-05-07 CN CN201020181625XU patent/CN201714517U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103195620A (en) * | 2013-04-02 | 2013-07-10 | 中国人民解放军军事交通学院 | Fuel low-temperature preheating and control device of diesel engine |
CN103195620B (en) * | 2013-04-02 | 2015-02-18 | 中国人民解放军军事交通学院 | Fuel low-temperature preheating and control device of diesel engine |
CN112360652A (en) * | 2020-12-31 | 2021-02-12 | 十堰晟堂工贸有限责任公司 | Low-temperature diesel heating method for diesel vehicle |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20120507 |