CN105298693A - Diesel oil storing tank low-temperature protecting device in South Pole electric generator cabin - Google Patents
Diesel oil storing tank low-temperature protecting device in South Pole electric generator cabin Download PDFInfo
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- CN105298693A CN105298693A CN201510603020.2A CN201510603020A CN105298693A CN 105298693 A CN105298693 A CN 105298693A CN 201510603020 A CN201510603020 A CN 201510603020A CN 105298693 A CN105298693 A CN 105298693A
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Abstract
The invention discloses a diesel oil storing tank low-temperature protecting device in a South Pole electric generator cabin. The diesel oil storing tank low-temperature protecting device comprises a diesel oil storing tank and an oil outlet pipe which is connected with the inside of the diesel oil storing tank; a heating chamber is arranged at the bottom inside the diesel oil storing tank; the oil outlet pipe penetrates through the heating chamber; a control valve is arranged at the upper end of the oil outlet pipe; the control valve is connected with a temperature wrap, to open or close the control valve; the heating chamber is connected with a diesel oil supplement pipeline; an electromagnetic valve is mounted on the diesel oil supplement pipeline; a first heater and an igniter are disposed inside the heating chamber; the oil outlet pipe is sleeved with the first heater; a base with a phase change medium inside is arranged in the heating chamber; the upper end of the base is connected with an even temperature pipe which is located outside the heating chamber. Diesel oil is preheated through an ignition heating method as well as a storage battery heating method, different heating methods are adopted in different low-temperature environments, thereby being scientific and reasonable, and energy consumption can be reduced.
Description
Technical field
The present invention relates to a kind of diesel oil at low-temperature protective gear, what be specifically related to is diesel oil hutch low-temperature protection device in the generator bay of a kind of South Pole.
Background technique
South Pole scientific investigation is one of important channel of a series of sciences problems such as research climatic change, relating to a lot of consumer, in order to provide electric power to South Pole scientific investigation activity, needing to use diesel generator to generate electricity in scientific investigation activity.But because the South Pole is located in high and cold arctic regions, whole Antarctic Inland mean annual temperature is approximately-40 DEG C ~-50 DEG C.We know, South Pole DomeA and the surrounding area whole year in the coldest August in the winter time thereof.Close to the Bel of DomeA, special and volt stoke station 8 monthly mean temperature is-71.4 DEG C and-68.4 DEG C to altitude respectively.As the temperature gradient by this two station calculates, on the 4000 ~ 4100m height of DomeA area, 8 monthly mean temperatures are approximately low to-77 DEG C ~-85 DEG C.On the DomeA4100 rice height of the South Pole, the Annual lowest climate temperature of appearance about-100 DEG C is possible.Under such low temperature environment, all can there is phenomenon of condensing in the diesel oil that general diesel generator uses, even if temperature does not reach the solidifying point of diesel oil, diesel oil at this low temperature viscosity is high, poor fluidity, can cause atomization badness, diesel generator job insecurity, even interrupting appears in fuel feeding.Once occur that this situation will affect South Pole scientific investigation activity, even more serious consequence can be caused.So we need temperature low to a certain extent under preheating is carried out to ensure the safe and stable operation of diesel generator to diesel oil.In northern China, the main method of preheating diesel oil adds anticoagulant and uses electric heater.Add anticoagulant significant discomfort use on diesel generator, because cost is high and be inconvenient to carry; Use electric heater to be comparatively rational method, but the electric heater that preheating diesel oil uses now mostly is straight tube, and the THS of straight tube amasss smaller, spatial extension is poor, can not make the uniform preheating rapidly of the diesel oil in diesel oil hutch.For this reason, the present invention devises the diesel oil hutch low-temperature protection device in the generator bay of a kind of South Pole.
Summary of the invention
The present invention to solve under Members In Antarctic Environment the too low problem causing diesel generator to generate electricity of diesel fuel temperature in generator bay, provides diesel oil hutch low-temperature protection device in the generator bay of a kind of South Pole.
Technological scheme
For the too low problem causing diesel generator to generate electricity of diesel fuel temperature in generator bay under solution Members In Antarctic Environment, the invention provides following technological scheme:
Diesel oil hutch low-temperature protection device in the generator bay of a kind of South Pole, the oil outlet tube comprising diesel oil hutch and be connected in diesel oil hutch, it is characterized in that: described diesel oil hutch inner bottom part is provided with a heating chamber, described oil outlet tube passes from described heating chamber, the upper end of described oil outlet tube is provided with a control valve, this control valve is connected with a temperature-sensitive bag and is used to open or close control valve, described heating chamber is connected with diesel oil and supplements pipeline and chamber air supplements pipeline, supplement on pipeline at described diesel oil and be provided with solenoid valve, in described heating chamber, being also provided with primary heater and supplementing from described diesel oil the igniter that pipeline flows into heater diesel oil for lighting, described primary heater is enclosed within described oil outlet tube, the pedestal having phase change medium is also provided with in one in described heating chamber, the samming pipe be positioned at outside described heating chamber is connected with in described pedestal upper end, described pedestal is provided with secondary heater, described heater housings is provided with the thermo-electric generation sheet for storage battery generating, and described primary heater and secondary heater are all connected on storage battery.
Described diesel oil hutch adopts double-layer vacuum pumping structure, adopt lattice structure to fix, and surface heat-insulating material wraps up between bilayer.
Described samming pipe adopts star structure, and this hub-and-spoke configuration comprises main pipeline and secondary pipeline; Length and the diameter of described main pipeline are determined by fractal theory, and progression down extends to i-th grade from the 0th grade always, and the ratio of the duct length of i-th grade and the i-th-1 grade is N
-1/D, the ratio of pipe diameter is N
-1/ Δ, N is the bifurcated passage number of every grade, and D is length index, and Δ is diameter index; Described secondary install pipeline is in the plane of the plane being perpendicular formed with every one-level main pipeline and next stage main pipeline, and the angle prolonging airflow direction between main pipeline in secondary pipeline and this plane is 30 ° to 90 °.
Described thermo-electric generation system is together in series by multiple thermo-electric generation sheet and forms, and described thermo-electric generation sheet is arranged in the interlayer that heating chamber contacts with diesel oil, and with the diesel oil outside heating chamber for cold junction, the heat in heating chamber is hot junction, is charge in batteries.
The spring that described control valve comprises diaphragm and is connected with described valve block, described temperature-sensitive bag is connected with described spring, and described temperature-sensitive wraps in shrink when catching a cold mentions diaphragm closed control valve, and described temperature-sensitive wraps in expand when being heated and presses down diaphragm and open control valve.
Samming pipe adopts star structure, adopts boiling/condensation phase transition heat mode to carry out preheating diesel oil.Samming pipe hub-and-spoke configuration is formed primarily of main pipeline and secondary pipeline.Star structure makes heat be diffused into each face from any simultaneously, until each position in space, preheating diesel oil is more quick, more evenly.Main pipeline determines length and diameter according to fractal theory, and progression down extends to i-th grade from the 0th grade always, and concrete progression is depending on the size of diesel oil hutch.Can be known by fractal theory, the ratio of the duct length of i-th grade and the i-th-1 grade is N
-1/D, the ratio of pipe diameter is N
-1/ Δ, N is the bifurcated passage number of every grade, length index D get be greater than 1 and be less than or equal to 2 real number, diameter index Δ get be greater than 7/3 and be less than or equal to 3 real number; Secondary pipeline rotates main pipeline to be formed, in the plane of the plane being perpendicular formed with every one-level main pipeline and next stage main pipeline, main pipeline is rotated 30 ° to 90 ° and 150 ° just can form secondary pipeline to 180 °, main pipeline and described secondary pipeline composition star structure.Main pipeline adopts fractal structure to considerably increase heat exchange area, makes diesel oil preheating quicker; Star structure extends to fuel reserve tank all directions makes diesel oil preheating more even.In order to ensure there are enough fluids for phase transition heat in samming pipe heating process, install a liquid storage pedestal additional at the end of the 0th grade of main pipeline, the fluid in liquid storage pedestal can be the fluid working substance arbitrarily such as ammonia, ethanol, propyl alcohol, acetone, organic substance, refrigeration agent.Samming pipe adopts boiling/condensation phase transition heat mode to carry out preheating diesel oil, and phase-change liquid fluid in the pipeline of inferior grade (as the 0th grade) is heated boiling, then in high-grade pipeline, meets cold solidifying heat release, thus the diesel oil at preheating hutch top.The phase-change liquid of condensation flows back to liquid storage pedestal again under gravity automatically, realizes recycling.Difference according to demand, can select different samming tube materials, can select the materials such as carbon steel, low alloy steel, stainless steel, copper (alloy), aluminium (alloy), pottery.
Thermo-electric generation system is together in series by multiple thermo-electric generation sheet and forms.Described thermo-electric generation sheet is arranged in the interlayer that heating chamber contacts with diesel oil.Multiple thermo-electric generation sheet series connection can provide suitable charge in batteries voltage.Described thermo-electric generation system takes full advantage of the large characteristic of heating chamber internal-external temperature difference, thus achieves the self-sufficient of storage battery electric energy.
Described heating chamber comprises battery heater, igniter, solenoid valve, and heating chamber diesel oil supplements pipeline and chamber air supplements pipeline.Diesel oil output pipeline and samming pipe all some in heating chamber.Heating chamber provides heat by diesel oil output pipeline and samming pipe for diesel oil when diesel fuel temperature is too low, realizes the object of preheating diesel oil.Adopt in heating chamber and be applicable to electric heating under different low temperature environments and igniting heating two kinds of heating means.Storage battery heating and igniting heating two kinds of heating means use respectively under the low temperature environment of T1 and T2, wherein T1>T2.When diesel fuel temperature reaches the low temperature of T1, battery heater utilizes battery discharging to produce heat on resistance wire, and heat passes to diesel oil to realize the preheating to diesel oil again.The low temperature of T2 is reached in diesel fuel temperature, or when diesel oil does not reach the temperature being applicable to generating yet after storage battery heating, solenoid valve on the diesel oil supply pipeline of heating chamber will be opened, diesel oil enters heating chamber under gravity, by igniter, ignition is carried out to the diesel oil in described heating chamber, by the method for burning, heat is passed to the preheating that diesel oil output pipeline and described samming pipe realize diesel oil.
Temperature-sensitive bag is connected with control valve, and control valve is connected with the output pipeline of diesel oil.Temperature-sensitive bag utilizes the principle work of expanding with heat and contract with cold, and structure is simple, safe and reliable.When the temperature of diesel oil is too low, temperature-sensitive bag transmission pressure SC sigmal control control valve is closed, thus interrupts diesel oil output, and diesel generator stops generating; When diesel oil is heated to the temperature being applicable to generating, temperature-sensitive bag transmission pressure SC sigmal control control valve is opened, and output pipeline exports diesel oil, and diesel generator continues generating.
Beneficial effect
The present invention relates to the low-temperature protection device of a kind of South Pole generator diesel oil hutch, Main Function is the preheating diesel oil when diesel fuel temperature is too low, and diesel generator is normally worked.The method that this device not only used storage battery heating carrys out preheating diesel oil, and the method employing igniting heating carrys out preheating diesel oil, and these two kinds of methods use under different low temperature environment T1 and T2, wherein T1>T2.Adopt different heating means not only scientific and reasonable under different low temperature environments, and the consumption of the energy can be reduced.Samming pipe adopts star structure, and the area both having added heat transfer enables the diesel oil in storage be preheated faster, makes again heat be diffused into each face from any simultaneously, until each position in space, preheating diesel oil is more even; Use thermo-electric generation system can not only provide electric energy and igniter energy supply for storage battery, and simple and convenient, make whole system more safe and reliable like this.
Accompanying drawing explanation
Diesel oil hutch low-temperature protection device schematic diagram in the generator bay of a kind of South Pole of Fig. 1.
Fig. 2 temperature sense control gear schematic diagram.
Samming tubular construction schematic diagram in diesel oil hutch in the generator bay of Fig. 3 South Pole.
1. hutch casings in figure; 2. double-layer vacuum pumping lattice structure wall; 3. thermal insulating warm-keeping layer; 4. temperature-sensitive bag; 5. control valve; 6. diesel oil output pipeline; 7. battery heater; 8. igniter; 9. heating chamber; 10. thermo-electric generation sheet; The samming pipe of 11. band liquid storage pedestals; 12. solenoid valves; 13. heating chamber diesel oil supplement pipeline; 14. storage batteries; 15. chamber air supplement pipeline; 16. lead-in wires.
Embodiment
Fig. 1 gives diesel oil hutch low-temperature protection device schematic diagram in the generator bay of the South Pole, primarily of diesel oil hutch, and diesel pre-heating device and temperature sense control gear three parts composition.Diesel oil hutch comprises hutch casing 1, double-layer vacuum pumping lattice structure wall 2 and thermal insulating warm-keeping layer 3.Diesel pre-heating device comprises Preheating unit and energy supplying device two-part, wherein Preheating unit comprise diesel oil output pipeline 6, battery heater 7, igniter 8, heating chamber 9, band liquid storage pedestal samming pipe 11, solenoid valve 12, heating chamber diesel oil supplements pipeline 13, chamber air supplements pipeline 15 and lead-in wire 16; Energy supplying device comprises thermo-electric generation sheet 10 and storage battery 14.Temperature sense control gear comprises temperature-sensitive bag 4 and control valve 5.
Diesel oil hutch is exactly at the outer bread one deck thermal insulating warm-keeping layer 3 of the double-layer vacuum pumping lattice structure wall 2 of hutch casing 1.
Diesel pre-heating device comprises Preheating unit and energy supplying device two-part.In Preheating unit, heating chamber 9 and diesel oil output pipeline 6 are welded on hutch casing, and diesel oil output pipeline 6 is through heating chamber 9, also connect by the method for welding.Heating chamber 9 also comprises the diesel oil that solenoid valve 12 is housed and supplements pipeline 13, is used for aftercombustion to add the diesel oil of heat loss.Chamber air supplements pipeline 15 and connects heating chamber 9 and diesel oil hutch 1, is used for aftercombustion to add the air of heat loss.The pedestal of the samming pipe 11 of the diesel oil output pipeline 6 inside heating chamber 9 and band liquid storage pedestal is wound with battery heater 7, and draws lead-in wire 16.Also need in heating chamber 9 to fix an igniter 8, be used for ignition diesel heating.In energy supplying device, multiple thermo-electric generation sheet 10 is connected, and is arranged in the interlayer that heating chamber 9 contacts with diesel oil; The power storage produced of thermo-electric generation sheet 10 is in storage battery 14, and storage battery 14 gives Preheating unit energy supply by lead-in wire 16 again.
In temperature sense control gear, the end of diesel oil output pipeline 6 installs control valve 5, and control valve 5 is connected with temperature-sensitive bag 4.When the temperature is too low.Temperature-sensitive bag 4 transmission of pressure signal makes control valve 5 close, and the pedestal of the samming pipe 11 of then go between 16 connection storage battery heating output pipelines 6 and band liquid storage pedestal, makes diesel fuel temperature in diesel oil hutch raise; If diesel fuel temperature rises reach generating standard, then temperature-sensitive bag 4 can make control valve 5 open by transmission of pressure signal, and diesel generator continues generating.If diesel fuel temperature does not reach generating standard yet or temperature is just very low at the beginning, then the igniter 8 a small amount of diesel oil can lighted in heating chamber 9 carrys out the pedestal of the samming pipe 11 of Heating Diesel Fuel output pipeline 6 and band liquid storage pedestal, makes the temperature of diesel oil increase and reaches generating standard.
Fig. 2 gives the structural representation of temperature-sensitive bag 4 and control valve 5 in Fig. 1.Temperature-sensitive bag 4 controls the deformation of spring inside control valve 5 by expanding with heat and contract with cold, thus realizes the opening and closing of diesel oil output pipeline 6.When the temperature is too low, temperature-sensitive bag 4 is by cold events, and cause pressure drop, the diaphragm that control valve is 5 li will be raised, thus drives spring elongation, and the mass block below spring arrives to wall, thus realizes the closedown of diesel oil output pipeline 6; When having served as cold diesel oil temperature risen to generating standard under the effect of heating chamber 9, temperature-sensitive bag 4 expanded by heating, cause pressure increase, the diaphragm that control valve is 5 li is pressed down, thus cause spring to be compressed, mass block below spring declines, and diesel oil flows into diesel oil output pipeline 6 from the annular spaces between mass block and wall, realizes opening of diesel oil output pipeline 6.
Fig. 3 gives the structural representation of the samming pipe 11 with liquid storage pedestal in Fig. 1.A part of secondary pipeline is only depicted in figure.What pipeline rear that the oriented extension of each branch is raw, this ensure that the spatial extension of samming pipe, makes heat be diffused into face from point simultaneously, until each position in space, preheating diesel oil is more quick, more evenly.
Claims (5)
1. diesel oil hutch low-temperature protection device in a South Pole generator bay, the oil outlet tube comprising diesel oil hutch and be connected in diesel oil hutch, it is characterized in that: described diesel oil hutch inner bottom part is provided with a heating chamber, described oil outlet tube passes from described heating chamber, the upper end of described oil outlet tube is provided with a control valve, this control valve is connected with a temperature-sensitive bag and is used to open or close control valve, described heating chamber is connected with diesel oil and supplements pipeline and chamber air supplements pipeline, supplement on pipeline at described diesel oil and be provided with solenoid valve, in described heating chamber, being also provided with primary heater and supplementing from described diesel oil the igniter that pipeline flows into heater diesel oil for lighting, described primary heater is enclosed within described oil outlet tube, the pedestal having phase change medium is also provided with in one in described heating chamber, the samming pipe be positioned at outside described heating chamber is connected with in described pedestal upper end, described pedestal is provided with secondary heater, described heater housings is provided with the thermo-electric generation system for storage battery generating, and described primary heater and secondary heater are all connected on storage battery.
2. diesel oil hutch low-temperature protection device in the generator bay of a kind of South Pole according to claim 1; it is characterized in that: described diesel oil hutch adopts double-layer vacuum pumping structure; adopt lattice structure to fix between bilayer, and surface heat-insulating material wrap up.
3. diesel oil hutch low-temperature protection device in the generator bay of a kind of South Pole according to claim 1, is characterized in that: described samming pipe adopts star structure, and this hub-and-spoke configuration comprises main pipeline and secondary pipeline; Length and the diameter of described main pipeline are determined by fractal theory, and progression down extends to i-th grade from the 0th grade always, and the ratio of the duct length of i-th grade and the i-th-1 grade is N
-1/D, the ratio of pipe diameter is N
-1/ Δ, N is the bifurcated passage number of every grade, and D is length index, and Δ is diameter index; Described secondary install pipeline is in the plane of the plane being perpendicular formed with every one-level main pipeline and next stage main pipeline, and the angle prolonging airflow direction between main pipeline in secondary pipeline and this plane is 30 ° to 90 °.
4. diesel oil hutch low-temperature protection device in the generator bay of a kind of South Pole according to claim 1; it is characterized in that: the spring that described control valve comprises diaphragm and is connected with described valve block; described temperature-sensitive bag is connected with described spring; described temperature-sensitive wraps in shrink when catching a cold mentions diaphragm closed control valve, and described temperature-sensitive wraps in expand when being heated and presses down diaphragm and open control valve.
5. diesel oil hutch low-temperature protection device in the generator bay of a kind of South Pole according to claim 1; it is characterized in that: described thermo-electric generation system is together in series by multiple thermo-electric generation sheet and forms; described thermo-electric generation sheet is arranged in the interlayer that heating chamber contacts with diesel oil; with the diesel oil outside heating chamber for cold junction; heat in heating chamber is hot junction, is charge in batteries.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510603020.2A CN105298693B (en) | 2015-09-21 | 2015-09-21 | Diesel oil hutch low-temperature protection device in a kind of South Pole generator bay |
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| CN201510603020.2A CN105298693B (en) | 2015-09-21 | 2015-09-21 | Diesel oil hutch low-temperature protection device in a kind of South Pole generator bay |
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| CN105298693A true CN105298693A (en) | 2016-02-03 |
| CN105298693B CN105298693B (en) | 2017-07-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246420A (en) * | 2016-08-12 | 2016-12-21 | 东南大学 | The oil storage system attemperating unit of polar region scientific investigation station generating set |
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| CN1884815A (en) * | 2006-06-07 | 2006-12-27 | 浙江工业大学 | Low-pressure oil supply system for diesel vehicle |
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| CN104775910A (en) * | 2015-04-28 | 2015-07-15 | 东南大学 | Temperature control device for power generation cabin used in Antarctica |
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2015
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0086602A1 (en) * | 1982-02-05 | 1983-08-24 | Nigel Carle-Hay | Apparatus for controlling the temperature of fuel supplied to a vehicle engine or the like |
| US4807584A (en) * | 1984-11-30 | 1989-02-28 | Davco Manufacturing Corp. | Fuel tank heating system |
| GB2217387A (en) * | 1988-04-20 | 1989-10-25 | Peter Alexander Ross | Heating engine fuel to prevent waxing |
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| CN201329803Y (en) * | 2009-01-07 | 2009-10-21 | 杨凤军 | Water circulation heating oil tank of diesel vehicle |
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| CN104775910A (en) * | 2015-04-28 | 2015-07-15 | 东南大学 | Temperature control device for power generation cabin used in Antarctica |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246420A (en) * | 2016-08-12 | 2016-12-21 | 东南大学 | The oil storage system attemperating unit of polar region scientific investigation station generating set |
| CN106246420B (en) * | 2016-08-12 | 2018-11-20 | 东南大学 | The oil storage system temperature control device of polar region scientific investigation station generating set |
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| CN105298693B (en) | 2017-07-28 |
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