CN102538198A - Heat conduction oil heating method - Google Patents
Heat conduction oil heating method Download PDFInfo
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- CN102538198A CN102538198A CN2011102875362A CN201110287536A CN102538198A CN 102538198 A CN102538198 A CN 102538198A CN 2011102875362 A CN2011102875362 A CN 2011102875362A CN 201110287536 A CN201110287536 A CN 201110287536A CN 102538198 A CN102538198 A CN 102538198A
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- biodiesel
- temperature
- conduction oil
- heavy
- grease
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- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000010438 heat treatment Methods 0.000 title claims abstract description 40
- 239000003225 biodiesel Substances 0.000 claims abstract description 100
- 239000004519 grease Substances 0.000 claims abstract description 77
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 238000009835 boiling Methods 0.000 claims abstract description 8
- 238000002485 combustion reaction Methods 0.000 claims description 14
- 239000003921 oil Substances 0.000 abstract description 83
- 239000000295 fuel oil Substances 0.000 abstract description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 8
- 230000004087 circulation Effects 0.000 description 6
- 238000004821 distillation Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 125000004185 ester group Chemical group 0.000 description 4
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 3
- 238000005194 fractionation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 235000010290 biphenyl Nutrition 0.000 description 2
- 239000004305 biphenyl Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- -1 fatty acid triglycerides Chemical class 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 description 1
- 235000019737 Animal fat Nutrition 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- 125000005907 alkyl ester group Chemical group 0.000 description 1
- 239000010775 animal oil Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- ZCILODAAHLISPY-UHFFFAOYSA-N biphenyl ether Natural products C1=C(CC=C)C(O)=CC(OC=2C(=CC(CC=C)=CC=2)O)=C1 ZCILODAAHLISPY-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 239000000374 eutectic mixture Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000004668 long chain fatty acids Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
Landscapes
- Liquid Carbonaceous Fuels (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention discloses a heat conduction oil heating method. The heat conduction oil serves as a heating medium in production of biodiesel. The method includes: using a burner to burn biodiesel heavy oil grease reaching the feeding temperature, and using the heat conduction oil to absorb heat released during burning, wherein the feeding temperature ranges from 75 DEG C to 150 DEG C, and the boiling range of the biodiesel heavy oil grease is above 280 DEG C under the pressure of 0.5kPa. Using the method can effectively reducing heat conduction oil heating cost and solve the problem of difficulty in treatment of biodiesel heavy oil grease, and the ignition success rate in burning of the biodiesel heavy oil grease is more than 93%.
Description
Technical field
The present invention relates to the renewable energy source domain, particularly, relate to a kind of method that heats conduction oil.
Background technology
Biodiesel (Biodiesel) is a kind of of biomass energy; Be meant that the material that contains chain fatty acid triglycerides with water plant greases such as oil crops, wild oilseed plant and engineering microalgae and animal fat, food garbage wet goods is as feedstock oil; The mono alkyl ester of the LCFA of processing through ester-interchange method is to can be used in the recyclability diesel fuel that substitutes petrifaction diesel.
In the technology of existing suitability for industrialized production biodiesel, except that containing biodiesel, also contain the heavy grease in the thick product of biodiesel that the employing ester-interchange method obtains.Because heavy grease combustibility is relatively poor, need come separating bio diesel oil and heavy grease through the fractionation to the thick product of biodiesel.
In the production of biodiesel process, carry out conduction oil that esterification, dehydration and fractionation all need reach heating-up temperature as heat medium so that heat to be provided.The method of existing heating conduction oil is so that conduction oil absorbs the heat that burning discharges through conventional fuels such as burning petrifaction diesels.But because the cost of conventional fuels such as petrifaction diesel is higher, therefore there is the too high defective of cost in the method for existing heating conduction oil.
Summary of the invention
For there is the too high defective of cost in the method that overcomes existing heating conduction oil, the invention provides a kind of method that heats conduction oil.
Inventor of the present invention finds: the kinematic viscosity of biodiesel heavy grease under 40 ℃ that separating bio diesel oil obtains is greater than 500mm
2/ s need under the condition of 60 ℃ of insulations, store, and market demand is less, thereby value is lower and storage cost is higher, therefore has the problem of difficult treatment.In order to handle above-mentioned biodiesel heavy grease effectively; Inventor of the present invention has carried out hardy exploring, find unexpectedly, this biodiesel heavy grease 75 ℃ and when above kinematic viscosity reduce greatly; And has the combustion heat value that approaches petrifaction diesel; Can be used for burning fully with the heating conduction oil, and and then be used for the production of biodiesel, obtained the present invention thus.
According to a kind of method that heats conduction oil provided by the invention, said conduction oil in production of biodiesel as heat medium; This method comprises: the biodiesel heavy grease that will reach feeding temperature is through burner combustion, and makes said conduction oil absorb the heat that said burning discharges; Said feeding temperature is 75-150 ℃; Said biodiesel heavy grease in the boiling range under the pressure of 0.5kPa more than 280 ℃.
Through method of the present invention, reduce the cost of heating conduction oil effectively, and solved the problem of above-mentioned biodiesel heavy grease difficult treatment, the burning success lighting rate of above-mentioned biodiesel heavy grease is up to more than 93%.
Other features and advantages of the present invention will partly specify in the specific embodiment subsequently.
The specific embodiment
Following specific embodiments of the invention is elaborated.Should be understood that the specific embodiment described herein only is used for explanation and explains the present invention, is not limited to the present invention.
Among the present invention, do not do under the situation of opposite explanation, the numerical value of described pressure all refers to absolute pressure.
According to a kind of method that heats conduction oil provided by the invention, said conduction oil in production of biodiesel as heat medium; This method comprises: the biodiesel heavy grease that will reach feeding temperature is through burner combustion, and makes said conduction oil absorb the heat that said burning discharges; Said feeding temperature is 75-150 ℃; Said biodiesel heavy grease is under the pressure of 0.5kPa, and boiling range is more than 280 ℃.
Wherein, the production of said biodiesel can be known technology, for example can particularly, can be ester exchange process for the technology of enumerating in the document (Han Minghan etc., biodiesel manufacture Study on Technology progress, 2006 the 12nd phases, 1119-1124 page or leaf); More specifically, can comprise ester exchange, the distillation separating methanol, dewater, take off steps such as glycerine and biodiesel fractionation.Said conduction oil can be used as the heat medium in above-mentioned each step, particularly can be as the heat medium in step of transesterification, distillation separating methanol step and the biodiesel fractionating step.
Wherein, the selection of said conduction oil can be the selection of routine, for example, and biphenyl and biphenyl ether eutectic mixture type conduction oil, Fluhyzon type conduction oil or alkyl biphenyl type conduction oil.Can select the heat conduction oil composition according to the actual conditions of heating, for example, can adopt hydrogenated terphenyl.
Wherein, said biodiesel heavy grease is meant in the biodiesel fractionating step, isolates remaining heavy grease after the biodiesel.Among the present invention, under the situation that is not having opposite explanation, the boiling range under the pressure of 0.5kPa is that 250-280 ℃ cut is a biodiesel, and it is the heavy grease that boiling range is higher than 280 ℃ cut.
Wherein, said burner can be the petrochemical industry heavy oil burner of routine, can be the burner of KN-400AG for the model that gets energy technology Co., Ltd available from the ability promise of Beijing section for example.
Wherein, said feeding temperature is meant that said biodiesel heavy grease gets into the temperature of burner gun, in order to save the heating heavy grease energy that extremely said feeding temperature consumed; And raising ignition success rate; Under the preferable case, said feeding temperature is 100-150 ℃, further is preferably 130-140 ℃; Further be preferably 134-136 ℃, most preferably be 135 ℃.
Wherein, in order to improve ignition success rate, and in order to heat conduction oil more efficiently; Insufficient or the burnt gas of avoiding burning is taken away too much heat and is beneficial to convection heat transfer' heat-transfer by convection in the heat-conducting oil furnace to prevent hot-spot in the conduction oil; Under the preferable case, the condition of said burning also comprises: with respect to the said biodiesel heavy grease of per kilogram, the amount of the used air that atomizes is the 0.4-0.6 cubic meter; Further be preferably the 0.45-0.55 cubic meter, most preferably be 0.5 cubic metre; Total consumption of air is the 20-40 cubic meter, further is preferably the 25-35 cubic meter, most preferably is 30 cubic metres.Here, the volume of air is the numerical value under the room temperature.
Wherein, under the preferable case, in said burner, said biodiesel heavy grease is atomized the drop into average diameter 30-80 μ m.The average diameter of the drop after the atomizing is meant the numerical value of measuring with laser atomized drop Particle Size Analyzer.
Wherein, under the preferable case, the feed pressure of said biodiesel heavy grease is 0.3-0.7MPa, further is preferably 0.45-0.55MPa.
Wherein, under the preferable case, the feed pressure of air is 0.3-0.7MPa, further is preferably 0.45-0.55MPa.
Wherein, the sparking mode in the said burner can be the mode of routine.
Wherein, under the preferable case, for the method that makes said biodiesel heavy grease reach said feeding temperature comprises: the said biodiesel heavy of the Steam Heating grease that is higher than said feeding temperature with temperature.For example, can working pressure be about 0.7MPa, temperature is that the said biodiesel heavy of the Steam Heating about 165 ℃ grease is to feeding temperature.
Wherein, under the preferable case, the method that makes said biodiesel heavy grease reach said feeding temperature comprises: the said biodiesel heavy of the heat-conducting oil heating grease that is higher than said feeding temperature with temperature.For example, can serviceability temperature be that the said biodiesel heavy of heat-conducting oil heating grease about 325 ℃ is to feeding temperature.
Wherein, A preferred embodiment of the invention, the method that makes said biodiesel heavy grease reach said feeding temperature comprises: successively be higher than the steam of said feeding temperature and the said biodiesel heavy of heat-conducting oil heating grease that temperature is higher than said feeding temperature with temperature.This preferred implementation is particularly suitable for using when temperature is higher than the conduction oil of said feeding temperature lacking.Promptly; Elder generation reaches said feeding temperature with the said biodiesel heavy of the Steam Heating grease that temperature is higher than said feeding temperature; So that said biodiesel heavy grease burning; Heat-conducting oil heating to the temperature that temperature is lower than said feeding temperature is higher than said feeding temperature, uses the said biodiesel heavy of heat-conducting oil heating grease that temperature is higher than said feeding temperature then instead to feeding temperature.
Particularly, this preferred implementation can realize by following method:
Working pressure is about 0.7MPa; Temperature is that the steam about 165 ℃ is that said biodiesel heavy grease about 60 ℃ is heated to 75-120 ℃ and (further is preferably 80-100 ℃ with temperature; Further be preferably 90 ℃); And to make 75-120 ℃ said biodiesel heavy grease burning be the conduction oil below 75 ℃ with heating-up temperature, when the temperature of conduction oil is increased to more than 150 ℃, stops using the said biodiesel heavy of Steam Heating grease; And (further be preferably 130-140 ℃ to 100-150 ℃ with the said biodiesel heavy of the heat-conducting oil heating more than 150 ℃ grease; Further be preferably 134-136 ℃, most preferably be 135 ℃), and make 100-150 ℃ said biodiesel heavy grease burning heat conduction oil with continuation.
Wherein, under the preferable case, the boiling point of said conduction oil is higher than 330 ℃, and the temperature that absorbs the conduction oil behind the heat that said burning discharges is at least 310 ℃, further is preferably 315-330 ℃.
Wherein, can realize control through conventional method, promptly to said burning; Control the burning velocity of said biodiesel heavy grease according to the temperature of conduction oil; Particularly, reach on the design temperature in limited time the burner auto extinguishing when the temperature of conduction oil; Reduce under the design temperature in limited time when the temperature of conduction oil, burner is lighted a fire automatically.
Need to prove that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment under reconcilable situation, can make up through any suitable manner, the present invention is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between the various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be regarded as the disclosed content of the present invention equally.
Below through embodiment further explain the present invention.
Particularly, through the comparison of embodiment 1-4 and Comparative Examples 1, explain that feeding temperature is below 75 ℃ the time, the flammability of said biodiesel heavy grease is relatively poor.
Through the comparison of embodiment 1-4 and Comparative Examples 2, explain that method provided by the invention can obtain and the similar effect of common petrochemical industry heavy oil of burning.
Through embodiment 1 and 2 and the comparison of embodiment 3 and 4, explain that the preferred feedstock temperature is 130-140 ℃ and can improves ignition success rate.
Preparation embodiment 1
This preparation embodiment is used to explain the source of biodiesel heavy grease.
In autoclave; Be to add animal oil and methyl alcohol at 9: 1 in molar ratio; Under 260 ℃ the temperature and pressure be that reaction obtained ester exchange offspring after 2 hours under the 6.5MPa, after excessive methyl alcohol is removed in distillation, under 90 ℃ temperature, ester exchange offspring is mixed the back with the water of 0.1-0.3% volume and contacts 2 hours with removal glycerine and excessive methyl alcohol; Remove water then, and distillation is removed the product that obtains behind the light component that boiling point under the 9kPa is lower than 210 ℃ and is the thick product of biodiesel.
With feeding in the decompression distillation jar after the thick product by heating to 210 of biodiesel ℃, the pressure in the alembic is 0.75 ± 0.25kPa (absolute pressure), and the temperature of liquid is 265 ± 15 ℃ at the bottom of the alembic jar; The thick product of said biodiesel produces distillate through distillation, and temperature was reduced to 90 ± 10 ℃ after distillate got into gatherer, and the distillate liquid that condensation produces in gatherer is biodiesel; Liquid is biodiesel heavy grease at the bottom of the alembic jar.Under companion's temperature condition of 60 ℃, store said biodiesel heavy grease for use.
According to the method for regulation among the GB/T 265-1988 " oil product kinematic viscosity determination method and dynamic viscosity computing method ", recording the kinematic viscosity of above-mentioned biodiesel heavy grease under 40 ℃ is 520mm
2/ s.
Embodiment 1
Present embodiment is used to explain the method for heating conduction oil provided by the invention.
In the present embodiment, the initial temperature of conduction oil is 30 ℃.
About using pressure as 0.7MPa 60 ℃ the biodiesel heavy grease obtaining of preparation embodiment 1; Temperature is be steam heated to 90 ℃ about 165 ℃; And the said biodiesel heavy grease that makes 90 ℃ is 30 ℃ conduction oil with heating-up temperature through burner combustion; Wherein, burner is the burner of KN-400AG for the model that gets energy technology Co., Ltd available from the ability promise of Beijing section.With respect to the said biodiesel heavy grease of per kilogram, the amount of the used air that atomizes is 0.5 cubic metre; Total consumption of air is 30 cubic metres.The pressure that said biodiesel heavy grease feeds burner is 0.5MPa, and the feeding pressure of air is 0.5MPa, and said biodiesel heavy grease is atomized the drop into average diameter 50 μ m.
When the temperature of conduction oil is increased to 155 ℃; Stop using the said biodiesel heavy of Steam Heating grease; And with the said biodiesel heavy of 155 ℃ heat-conducting oil heating grease to 135 ℃; And make 135 ℃ said biodiesel heavy grease heat conduction oil to 315-330 ℃ with continuation through burner combustion, wherein burner and burning condition are as above.
Conduction oil is used for the heat medium of production of biodiesel as the biodiesel fractionating step; Conduction oil after the release heat (temperature is about 250-280 ℃) returns and absorbs the heat that said biodiesel heavy grease discharges through burner combustion once more, to reach 315-330 ℃ temperature once more.
When the temperature of the conduction oil of the heat that is discharged through burner combustion by said biodiesel heavy grease reaches 330 ℃, the burner auto extinguishing, flame-out after when the temperature of conduction oil is reduced to 315 ℃, burner is lighted a fire automatically, accomplishes one and controls and circulate.
In 10000 control circulations, ignition success rate is 99% automatically.
Embodiment 2
Present embodiment is used to explain the method for heating conduction oil provided by the invention.
In the present embodiment, the initial temperature of conduction oil is 200 ℃.
With 60 ℃ biodiesel heavy grease obtaining of preparation embodiment 1 with 200 ℃ heat-conducting oil heating to 135 ℃; And to make 135 ℃ said biodiesel heavy grease be 200 ℃ conduction oil to 325 ± 3 ℃ through burner combustion with heating-up temperature, and wherein burner is identical with embodiment 1 with burning condition.
Conduction oil is used for the heat medium of production of biodiesel as the biodiesel fractionating step; Conduction oil after the release heat (temperature is about 250-280 ℃) returns and absorbs the heat that said biodiesel heavy grease discharges through burner combustion once more, to reach 315-330 ℃ temperature once more.
Adopt the IGNITION CONTROL mode identical with embodiment 1.
In 10000 control circulations, ignition success rate is 99% automatically.
Embodiment 3
Present embodiment is used to explain the method for heating conduction oil provided by the invention.
In the present embodiment, the initial temperature of conduction oil is 200 ℃.
Adopt the method heating conduction oil of embodiment 2; Different is; With 200 ℃ heat-conducting oil heating to 105 ℃, and to make 105 ℃ said biodiesel heavy grease be 200 ℃ conduction oil to 315-330 ℃ ℃ temperature with heating-up temperature through burner combustion with 60 ℃ biodiesel heavy grease obtaining of preparation embodiment 1.
Adopt the IGNITION CONTROL mode identical with embodiment 1.
In 10000 control circulations, ignition success rate is 95% automatically.
Embodiment 4
Present embodiment is used to explain the method for heating conduction oil provided by the invention.
In the present embodiment, the initial temperature of conduction oil is 200 ℃.
Adopt the method heating conduction oil of embodiment 2; Different is; With 200 ℃ heat-conducting oil heating to 95 ℃, and to make 95 ℃ said biodiesel heavy grease be 200 ℃ conduction oil to 315-330 ℃ temperature with heating-up temperature through burner combustion with 60 ℃ biodiesel heavy grease obtaining of preparation embodiment 1.
Adopt the IGNITION CONTROL mode identical with embodiment 1.
In 10000 control circulations, ignition success rate is 93% automatically.
Comparative Examples 1
This Comparative Examples is used for the method for existing heating conduction oil.
In this Comparative Examples, the initial temperature of conduction oil is 200 ℃.
Adopt the method heating conduction oil of embodiment 2; Different is; 60 ℃ the biodiesel heavy grease that preparation embodiment 1 is obtained is heated to 70 ℃; Make then 70 ℃ biodiesel heavy grease through burner combustion with heating-up temperature be 200 ℃ conduction oil to 315-330 ℃, adopt the IGNITION CONTROL mode identical with embodiment 1.
In 10000 control circulations, ignition success rate is 36% automatically.
Comparative Examples 2
This Comparative Examples is used for the method for existing heating conduction oil.
In this Comparative Examples, the initial temperature of conduction oil is 200 ℃.
Adopt the method heating conduction oil of embodiment 2; Different is; 60 ℃ the biodiesel heavy grease that preparation embodiment 1 is obtained replaces with heavy oil No. 200; And No. 200 heavy oil are heated to 95 ℃, make then 95 ℃ No. 200 heavy oil through burner combustion with heating-up temperature be 200 ℃ conduction oil to 315-330 ℃, adopt the IGNITION CONTROL mode identical with embodiment 1.
In 10000 control circulations, ignition success rate is 96% automatically.
Claims (9)
1. method that heats conduction oil, said conduction oil in production of biodiesel as heat medium; This method comprises: the biodiesel heavy grease that will reach feeding temperature is through burner combustion, and makes said conduction oil absorb the heat that said burning discharges; Said feeding temperature is 75-150 ℃; Said biodiesel heavy grease in the boiling range under the pressure of 0.5kPa more than 280 ℃.
2. method according to claim 1, wherein, said feeding temperature is 130-140 ℃.
3. method according to claim 1 and 2, wherein, the condition of said burning also comprises: with respect to the said biodiesel heavy grease of per kilogram, the amount of the used air that atomizes is the 0.4-0.6 cubic meter, and total consumption of air is the 20-40 cubic meter.
4. method according to claim 3, wherein, in said burner, said biodiesel heavy grease is atomized the drop into average diameter 30-80 μ m.
5. method according to claim 4, wherein, the feed pressure of said biodiesel heavy grease is 0.3-0.7MPa, the feed pressure of air is 0.3-0.7MPa.
6. method according to claim 1 and 2, wherein, the method that makes said biodiesel heavy grease reach said feeding temperature comprises: the said biodiesel heavy of the Steam Heating grease that is higher than said feeding temperature with temperature.
7. method according to claim 1 and 2, wherein, the method that makes said biodiesel heavy grease reach said feeding temperature comprises: the said biodiesel heavy of the heat-conducting oil heating grease that is higher than said feeding temperature with temperature.
8. method according to claim 1 and 2; Wherein, the method that makes said biodiesel heavy grease reach said feeding temperature comprises: successively be higher than the steam of said feeding temperature and the said biodiesel heavy of heat-conducting oil heating grease that temperature is higher than said feeding temperature with temperature.
9. method according to claim 1, wherein, the temperature that absorbs the conduction oil behind the heat that said burning discharges is at least 310 ℃.
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| CN201110287536.2A CN102538198B (en) | 2011-09-26 | 2011-09-26 | Heat conduction oil heating method |
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| CN201110287536.2A CN102538198B (en) | 2011-09-26 | 2011-09-26 | Heat conduction oil heating method |
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| CN102538198B CN102538198B (en) | 2014-02-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557723A (en) * | 2013-10-28 | 2014-02-05 | 七台河宝泰隆圣迈煤化工有限责任公司 | Heavy oil/conduction oil heat exchanger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2789591Y (en) * | 2005-01-13 | 2006-06-21 | 碧海舟（北京）石油化工设备有限公司 | Three-layer coiled pipe heavy oil firing heat oil conducting heating furnace |
| CN101096603A (en) * | 2006-06-30 | 2008-01-02 | 董清华 | Method for producing biodiesel by employing molecular distillation technology and manufacturing equipment |
| CN101875864A (en) * | 2009-10-10 | 2010-11-03 | 粟定纲 | Light diesel preparation method |
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2011
- 2011-09-26 CN CN201110287536.2A patent/CN102538198B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2789591Y (en) * | 2005-01-13 | 2006-06-21 | 碧海舟（北京）石油化工设备有限公司 | Three-layer coiled pipe heavy oil firing heat oil conducting heating furnace |
| CN101096603A (en) * | 2006-06-30 | 2008-01-02 | 董清华 | Method for producing biodiesel by employing molecular distillation technology and manufacturing equipment |
| CN101875864A (en) * | 2009-10-10 | 2010-11-03 | 粟定纲 | Light diesel preparation method |
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| Title |
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| 韩明汉等: "生物柴油制备技术的研究进展", 《石油化工》 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103557723A (en) * | 2013-10-28 | 2014-02-05 | 七台河宝泰隆圣迈煤化工有限责任公司 | Heavy oil/conduction oil heat exchanger |
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| CN102538198B (en) | 2014-02-12 |
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