CN101059109A - Utilization method for heated fuel oil - Google Patents
Utilization method for heated fuel oil Download PDFInfo
- Publication number
- CN101059109A CN101059109A CN 200710055725 CN200710055725A CN101059109A CN 101059109 A CN101059109 A CN 101059109A CN 200710055725 CN200710055725 CN 200710055725 CN 200710055725 A CN200710055725 A CN 200710055725A CN 101059109 A CN101059109 A CN 101059109A
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- Prior art keywords
- fuel
- oil
- pipe
- water
- cooling water
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000000295 fuel oil Substances 0.000 title claims description 61
- 239000000446 fuel Substances 0.000 claims abstract description 84
- 238000010438 heat treatment Methods 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000003921 oil Substances 0.000 claims abstract description 40
- 239000000498 cooling water Substances 0.000 claims abstract description 37
- 239000002283 diesel fuel Substances 0.000 claims abstract description 23
- 239000002828 fuel tank Substances 0.000 claims description 25
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 11
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 11
- 238000010304 firing Methods 0.000 claims description 7
- 239000002918 waste heat Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000010763 heavy fuel oil Substances 0.000 abstract 1
- 239000003570 air Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 3
- 238000007906 compression Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The present invention involves a use method after fuel is heated. The fuel heat box consisted of heating tubes and hot water pipe is series-connected between the engine cooling water output mouth and warm air, the residual heat of engine cooling water is used as heat source, the cooling water is transported into fuel heating box through hot water pipe under the function of water pump in order to heat diesel fuel in fuel heated pipe, the warming-up fuel is sprayed into fuel chamber through fuel fine filter along ordinary channel under the function of fuel delivery pump to form good work mixed gas. The residual fuel with certain temperature in oil spout pump and oil spout device is delivered into triplet through oil return pipe, and a part is delivered into fuel box to pre-heat the fuel around oil suction pipe; and one part is mixed with the fuel which is supplemented from fuel box on the triplet side outlet, and is delivered into next cycle through fuel rough filter. The invention makes burning adequate and fuel-saving distinctive, reduces environment pollution and cost of operations, it can be used all year round, it is safe, reliable and easy to use.
Description
Technical field
The present invention relates to a kind of technology of utilizing the waste heat heated fuel oil of engine cooling water, the operation technique after particularly a kind of diesel car fuel Heating.
Background technique
At present, diesel car in use because the viscosity of diesel oil own is bigger, flow velocity is slow, is difficult for atomizing, is difficult in before the piston arrives its punctual firing chamber and air mixing formation good operation mixed gas of being sprayed onto.Thereby caused incomplete combustion, over-emitting black exhaust, problems such as power difference.A large amount of inflammable matters is discharged from outside the car, has so not only increased the waste of the energy, and has polluted environment.When winter temperature is low, fuel oil thickness wax deposition, it is not smooth to circulate, and when especially using the not high or unsettled fuel oil of label, situation is more outstanding, even causes fault such as flame-out and can't normally use.Adopted in the fuel tank or the outer mode of heating of fuel tank though present people have, solved the problems referred to above with the method that improves the oil temperature.But most of because of complex structure, it is bigger to consume energy, and there is uneasy congruent factor in operation inconvenience and has influenced popularizing and development that fuel Heating is used.
Summary of the invention
The objective of the invention is the deficiency that in use exists at the diesel car fuel oil, using method after a kind of fuel Heating is provided, it utilizes the waste heat of engine cooling water to be thermal source, come the oil of further raising work fuel oil warm to the method that fuel oil heats, improve the physical property of fuel oil, make it in the firing chamber, to mix, form the good operation mixed gas and fully burning with pressurized air.
The present invention adopts following technological scheme to realize: the fuel Heating case of being made up of fuel Heating case, fuel oil heat pipe, hot-water line and outlet pipe, its special way is that hot-water line and fuel oil heat pipe are housed in the fuel Heating case, be connected between engine cooling water water outlet and the warm braw intake pipe by the feed-water end of hot-water line and the outlet pipe that is located on the fuel Heating case, also can be connected between engine cooling water water outlet and the water pump, or be connected between engine cooling water water outlet and the warm braw return pipe.
As mentioned above, stretch into the hot-water line that length in the fuel Heating case is not less than this casing length 2/3rds, be located at the position on the lower side in the fuel Heating case, hot-water line in the fuel Heating case open end and the following angle of its axis be 30-150 °.
As mentioned above, an end of fuel oil heat pipe is connected with oil transfer pump, and the other end is connected with secondary fuel oil filter, and the profile of fuel oil heat pipe is one section β shape bend pipe, also can be snakelike, lineal shape, spirality or U-shaped.
As mentioned above, on the return line on fuel tank top, be provided with threeway, the suitable for reading of threeway is connected with Injection Pump, oil sprayer respectively by return tube, the end opening of threeway stretches to the bottom of fuel tank by fuel sucking pipe from the top of fuel tank, the side mouth of threeway is connected with fuel preliminary filter by oil pipe.
Using method after the fuel Heating of the present invention, be that waste heat with the engine cycles cooling water is a thermal source, under the effect of water pump, cooling water enters the fuel Heating case through hot-water line, diesel oil in the heated fuel oil heat pipe, diesel fuel temperature improves along with the raising of engine cooling water temperature, diesel oil after the intensification is process secondary fuel oil filter, Injection Pump, high-pressure oil pipe and oil sprayer under the effect of oil transfer pump, spray into the firing chamber, than even without the diesel oil atomization of heating, become the good operation mixed gas with the air mixing of compression, sufficient combustion, power performance improves; Injection Pump, the remaining fuel oil of uniform temperature in addition of oil sprayer enter threeway by return tube, and a part of fuel oil enters the fuel tank bottom because of inertial flow through threeway, the fuel oil of fuel sucking pipe periphery in the preheating fuel tank; Part fuel oil converges from the fuel oil that fuel tank replenishes up at threeway side mouth and fuel sucking pipe by the threeway end opening, in the lump forward, by fuel preliminary filter, oil transfer pump, enters next circulation.Like this, go round and begin again, finish the supply of the fuel oil after the needed heating of engine operation.
The invention has the beneficial effects as follows that the waste heat that makes full use of engine cooling water is a thermal source, promote the work diesel fuel temperature, thereby improve the physical property of diesel oil, improve the quality of working mixture, oil inflame is abundant, and efficient improves, so not only fuel-economizing is remarkable, pollution alleviates, operating cost reduces, and all can use throughout the year, safe and reliable, easy to use.
Description of drawings
The present invention is further described below in conjunction with accompanying drawing and embodiment.
Accompanying drawing is a structure schematic flow sheet of the present invention.
Among the figure: 1, radiator; 2, thermostat; 3, warm braw; 4, outlet pipe; 5, fuel oil heat pipe; 6, fuel Heating case; 7, secondary fuel oil filter; 8, Injection Pump; 9, high-pressure oil pipe; 10, oil sprayer; 11, return tube; 12, threeway; 13, fuel tank; 14, fuel sucking pipe; 15, fuel preliminary filter; 16, oil transfer pump; 17, hot-water line; 18, short circle loop; 19, cooling water outlet; 20, motor; 21, cooling water intake; 22, water pump.
Embodiment
In the drawings, the diesel car fuel Heating case of forming by fuel Heating case, fuel oil heat pipe (5), hot-water line (17) (6), be connected between engine cooling water water outlet (19) and the water pump (22) by the feed-water end of hot-water line and the outlet pipe (4) that is located on this case, also can be connected between engine cooling water water outlet (19) and warm braw (3) intake pipe, or be connected between engine cooling water water outlet and the warm braw return pipe.In order to prolong the waiting time of cooling water in fuel Heating case (6), guarantee that diesel oil carries out sufficient heat exchange in fuel oil heat pipe (5), improve thermal conversion rate, the length that hot-water line (17) stretches in the fuel Heating case (6) is not less than this casing length 2/3rds, and being located at the interior position on the lower side of fuel Heating case, the following angle of the open end in the fuel Heating case and its axis is 30-150 °.After motor (20) started, the cooling water in the body was heated, and under the effect of water pump (22), enters in the fuel Heating case (6) through engine cooling water water outlet (19), hot-water line (17).When ambient air temperature during lower or engine start, thermostat (2) cuts out automatically, a cooling water part flows in short circle loop (18), a part enters motor (20) through outlet pipe (4), water pump (22), cooling water intake (21), without radiator heat-dissipation, to reach the purpose that improves water temperature.When cooling water is overheated in the higher or body when temperature, thermostat (2) is opened automatically or part is opened, cooling water in the fuel Heating case (6) carries out major cycle or the part major cycle is flowed, promptly get back to motor (20) through cooling water outlet (19), fuel Heating case (6), radiator (1), water pump (22), through radiator heat-dissipation, reduce overheated water temperature, to reach the purpose of constant water temperature.
One end of fuel oil heat pipe (5) oil-feed in the fuel Heating case (6) is connected with oil transfer pump (16), and the other end is connected with secondary fuel oil filter (7), and the interior diesel oil of fuel oil heat pipe (5) water that is cooled in fuel Heating case (6) heats.In order to increase the hot area of fuel oil heat pipe (5), make that diesel oil heats up rapidly in the pipe, the profile of fuel oil heat pipe is one section β shape bend pipe, also can be snakelike, lineal shape, spirality or U-shaped.
On return tube (11) road on fuel tank (13) top, be provided with threeway (12), the suitable for reading of threeway is connected with Injection Pump (8), oil sprayer (10) respectively by return tube (11), the end opening of threeway stretches to the bottom of fuel tank by fuel sucking pipe (14) from the top of fuel tank, the side mouth of threeway is connected with fuel preliminary filter (15) by oil pipe.
Using method after the fuel Heating, utilizing the waste heat of motor (20) recirculated cooling water is thermal source, under the effect of water pump (22), cooling water enters fuel Heating case (6) through hot-water line (17), diesel oil in the heated fuel oil heat pipe (5), diesel oil after the intensification sprays into the firing chamber through secondary fuel oil filter (7), Injection Pump (8), high-pressure oil pipe (9), oil sprayer (10) under the effect of oil transfer pump (16), form working mixture with air mixing through filtering and compression, burning produces power; Injection Pump (8), the remaining fuel oil of uniform temperature in addition in oil sprayer (10) work back enter threeway (12) by return tube (11), part fuel oil is because of inertial flow, enter fuel tank (13) bottom by threeway, the fuel oil of fuel sucking pipe (14) periphery in the preheating fuel tank; A part fuel oil threeway side mouth with converge from the fuel oil that fuel tank replenishes up by the fuel sucking pipe that is located at the threeway end opening, in the lump forward, move to fuel preliminary filter, enter next circulation.Because self temperature improves after the fuel Heating, viscosity reduces, and reduces the fuel flow resistance, increases fuel flow speed, and atomizing evenly near the best combustion value, thereby has improved the firing effect of fuel oil.
The present invention also can utilize the machine oil of oil sump for thermal source the diesel oil in the fuel oil heat pipe to be heated.Guaranteeing under the safe prerequisite, also can utilize exhaust tube remaining heat that diesel oil is heated.When the present invention still used low grade fuel oil or burnout time long in the winter time, its fuel tank and exposed oil pipe should be taked the insulation or the measure of heating.
Embodiment:
Be embodiment now with Jiefang brand CA3168P1K2BT1 type diesel oil dump truck, the specific embodiment of the present invention is described: the fuel Heating case (6) of interior dress hot-water line (17) and fuel oil heat pipe (5) is connected between the cooling water outlet (19) and warm braw (3) intake pipe of motor (20), the cooling water outlet and in an end stretches into and is opened on fuel Heating case (6) on the lower side the hot-water line at position (17) be connected, outlet pipe on the fuel Heating case (4) is connected with the intake pipe of warm braw, and the outer pipe of warm braw is connected with water pump (22).
In order to prolong the RT of cooling water in fuel Heating case (6), guarantee that the diesel oil in the fuel oil heat pipe (5) carries out sufficient heat exchange, hot-water line (17) is stretched into length in the fuel Heating case (6) be made as 〉=this casing length 2/3rds, and the open end in fuel Heating case (6) and the following angle of its axis be processed into 30-150 °.
After motor (20) started, the cooling in the body was heated with circulating water, under the effect of water pump (22), enters fuel Heating case (6) through engine cooling water water outlet (19), hot-water line (17).An end is connected with oil transfer pump (16) in the heating cabinet, diesel oil in the fuel oil heat pipe (5) that the other end is connected with secondary fuel oil filter (7), the diesel oil after the intensification enter secondary fuel oil filter (7), Injection Pump (8), high-pressure oil pipe (9), oil sprayer and spray into the firing chamber work done under the effect of oil transfer pump; The work of Injection Pump (8), oil sprayer (10) is remaining to have the fuel oil of uniform temperature to enter threeway (12) by return tube (11), and a part enters the fuel tank bottom because of inertial flow, the peripheral fuel oil of fuel sucking pipe (14) in the preheating fuel tank.A part fuel oil threeway side mouth with converge from the fuel oil that fuel tank replenishes up by the fuel sucking pipe that is located at the threeway end opening, in the lump forward, move to fuel preliminary filter, enter next circulation.
After diesel oil was heated and heats up, viscosity reduced, and under equal condition, mixed with pressurized air, and atomizing is good, catch fire easily, and sufficient combustion, pollutant emission reduces, and is difficult for producing carbon deposit, and power-performance improves, and oil-saving effect is remarkable, and the vehicle operating expense reduces.Through evidence, diesel car of the present invention has been installed, fuel-economizing in summer 3-5%, fuel-economizing in winter 8-10%, and the black smoke in the tail gas obviously reduces.
Claims (6)
1, a kind of fuel heater, form by fuel Heating case, fuel oil heat pipe, hot-water line and outlet pipe, it is characterized in that: hot-water line (17) and fuel oil heat pipe (5) are housed in fuel Heating case (6), feed-water end and the outlet pipe (4) that is located on the fuel Heating case by hot-water line, be connected between the intake pipe of engine cooling water water outlet (19) and warm braw (3), or be connected between engine cooling water water outlet and the water pump (22), or be connected between engine cooling water water outlet and the warm braw return pipe.
2, fuel heater according to claim 1, it is characterized in that: stretch into hot-water line (17) that length in the fuel Heating case (6) is not less than this casing length 2/3rds and be located at position on the lower side in the fuel Heating case, hot-water line in the fuel Heating case open end and the following angle of its axis be 30-150 °.
3, fuel heater according to claim 1, it is characterized in that: an end of fuel oil heat pipe (5) is connected with oil transfer pump (16), the other end is connected with secondary fuel oil filter (7), and the profile of fuel oil heat pipe is one section β shape bend pipe, also can be snakelike, lineal shape, spirality or U-shaped.
4, fuel heater according to claim 1, it is characterized in that: on the return tube (11) on fuel tank (13) top, be provided with threeway (12), the suitable for reading of threeway is connected with Injection Pump (8), oil sprayer (10) respectively by return tube (11), the end opening of threeway stretches to the bottom of fuel tank by fuel sucking pipe (14) from the top of fuel tank, the side mouth of threeway is connected with fuel preliminary filter (15) by oil pipe.
5, the using method after a kind of fuel Heating, it is characterized in that the waste heat with motor (20) cooling water is a thermal source, under the effect of water pump (22), cooling water enters fuel Heating case (6) through hot-water line (17), diesel oil in the heated fuel oil heat pipe (5), diesel fuel temperature improves along with the raising of engine cooling water temperature, diesel oil after the intensification is under the effect of oil transfer pump (16), spray into the firing chamber through secondary fuel oil filter (7), Injection Pump (8), high-pressure oil pipe (9) and oil sprayer (10), mix the formation working mixture with pressurized air, the burning work done.
6, the using method after the fuel Heating according to claim 5, it is characterized in that: Injection Pump (8), the remaining fuel oil of uniform temperature in addition of oil sprayer (10) enter threeway (12) by return tube (11), part fuel oil enters the bottom of fuel tank (13) through threeway and fuel sucking pipe (14) because of inertial flow, the fuel oil of fuel sucking pipe (14) periphery in the preheating fuel tank, part fuel oil converges from the fuel oil that fuel tank replenishes up at threeway side mouth and fuel sucking pipe by the threeway end opening, by fuel preliminary filter (15), oil transfer pump (16), enter next circulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710055725 CN101059109A (en) | 2007-06-06 | 2007-06-06 | Utilization method for heated fuel oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710055725 CN101059109A (en) | 2007-06-06 | 2007-06-06 | Utilization method for heated fuel oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101059109A true CN101059109A (en) | 2007-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710055725 Pending CN101059109A (en) | 2007-06-06 | 2007-06-06 | Utilization method for heated fuel oil |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536535A (en) * | 2012-03-08 | 2012-07-04 | 潍柴动力股份有限公司 | A fuel oil heating device for a diesel engine |
| CN102536537A (en) * | 2012-01-09 | 2012-07-04 | 李合理 | Energy saving and emission reduction device of diesel engine |
| CN103835845A (en) * | 2012-11-22 | 2014-06-04 | 沈家企业股份有限公司 | Fuel oil supply device and oil return three-way pipe therein |
| CN105020066A (en) * | 2015-08-05 | 2015-11-04 | 卓永哲 | Gasoline high-temperature multi-point injection auxiliary device for engine |
| CN109667647A (en) * | 2018-04-12 | 2019-04-23 | 李芝宏 | A kind of internal-combustion engine tail gas energy warm-up fuel system and method |
-
2007
- 2007-06-06 CN CN 200710055725 patent/CN101059109A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536537A (en) * | 2012-01-09 | 2012-07-04 | 李合理 | Energy saving and emission reduction device of diesel engine |
| CN102536535A (en) * | 2012-03-08 | 2012-07-04 | 潍柴动力股份有限公司 | A fuel oil heating device for a diesel engine |
| CN103835845A (en) * | 2012-11-22 | 2014-06-04 | 沈家企业股份有限公司 | Fuel oil supply device and oil return three-way pipe therein |
| CN105020066A (en) * | 2015-08-05 | 2015-11-04 | 卓永哲 | Gasoline high-temperature multi-point injection auxiliary device for engine |
| CN109667647A (en) * | 2018-04-12 | 2019-04-23 | 李芝宏 | A kind of internal-combustion engine tail gas energy warm-up fuel system and method |
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