CN102746890A - Marine fuel oil and preparation method thereof - Google Patents
Marine fuel oil and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a preparation method of marine fuel oil, comprising the following steps: (1) visbreaking heavy oil components at 400-450 DEG C for 10-60 min; (2) carrying out fractionation on the product obtained by visbreaking, and collecting fractions with the distillation range of higher than 165 DEG C; and (3) mixing the fractions with the distillation range of range of higher than 165 DEG C and light oil components to obtain the marine fuel oil which is characterized in that the density at 15 DEG C is 850-991 kg/m<3>, the viscosity at 50 DEG C is no larger than 380 mm<2>/s, the total content of silicon measured as silicon and aluminium measured as aluminium is 0-80 mg/kg, wherein the viscosity of the heavy oil components at 100 DEG C is no less than 35 mm<2>/s, the density of the heavy oil components at 15 DEG C is 950-1200 kg/m<3>, and the total content of silicon measured as silicon and aluminium measured as aluminium in the heavy oil components is 0-300 mg/kg The invention also provides the marine fuel oil prepared by the method. According to the method of the invention, the production cost of the marine fuel oil can be greatly reduced.
Description
Technical field
The present invention relates to a kind of preparation method of marine fuel oil, and by the marine fuel oil of this method preparation.
Background technology
Along with the sustained and rapid development of economy, China has become one of topmost in the world big trading nation and shipping big country.In the face of flourish shipping and bunker oil market; Yield poorly owing to domestic refinery admiralty fuel oil for a long time; Bigger with market requirement gap, ship fuel feeding enterprise and the shipping company dependence on import of having to, the compelled soaring oil prices and the market risk of accepting the world market; If things go on like this will be unfavorable for the development of shipping-trade, and bring adverse influence also can for the foreign trade and the national economic development.
Usually, marine fuel oil mainly is divided into two big types, i.e. cut type oil fuel and residue type oil fuel.Cut type oil fuel is widely used at home like DMC, and its character mainly is applicable to the middling speed marine engine between diesel oil and 180CST; And residue type oil fuel is generally mixed by heavy oil and light ends; Its thermal value is big, have good burning performance, shelf-stable, corrosion are little; It is the most economical ideal fuels of low speed marine engine such as large-scale oceangoing vessel in broad-spectrum good fuel, the especially high-power.
Usually the processing technology routine of producing residue type oil fuel adds the dilution component that is fit to heavy residue oil and concocts; To reach marine fuel oil in the requirement aspect the indexs such as viscosity and condensation point; And, also must keep the good stability and the compatibleness of oil fuel in order to prevent that the cohesion of residue type oil fuel medium pitch matter and greasy filth from generating deposition.
CN 1706922A discloses a kind of use residual oil, the synthetic car and boat of BO with fuel and complete processing; Said fuel mainly comprises residual oil and BO, cut light oil and additive etc.; Obtain finished product through shearing, filtering; The final product quality standard is indeterminate, is generally used for boiler, peculiar to vessel or farm machinery fuel.
The method that CN 101113346A propose to use the coal tar blending to produce marine fuel oil, but the production restriction of coal tar its can not scale prodn, guarantee the supply in market.
Because the marine fuel oil of international marine fuel oil marketing is carried out ISO 8217:2009 standard; In specification of quality for marine fuel oil; Sulphur content, aluminium silicon (Al+Si) content, viscosity and density all have concrete regulation; For example, for RMG380, its 15 ℃ of density requirements are not more than 991kg/m3,50 ℃ of viscosity are not more than 380mm
2/ s, Al+Si content are not more than 80mg/kg, so need form with BO component and the blending of lightweight oil component.Yet; Because the added value of lightweight oil component is higher usually; And prepare a large amount of lightweight oil component of bunker fuel oil require use through directly BO component and lightweight oil component being concocted; Therefore, in the process of preparation marine fuel oil, hope to reduce the consumption of the lightweight oil component of high added value as far as possible.
Summary of the invention
The objective of the invention is to overcome the shortcoming that needs in the preparation process of existing marine fuel oil use a large amount of lightweight oil components, a kind of preparation method of new marine fuel oil is provided.
The invention provides a kind of preparation method of marine fuel oil, this method comprises: (1) with the BO component at 400-450 ℃ of following viscosity breaking 10-60 minute; (2) will pass through the product that obtains after the viscosity breaking and carry out fractionation, and collect boiling range and be higher than 165 ℃ cut; (3) said boiling range is higher than 165 ℃ cut and mixes with the lightweight oil component, obtaining 15 ℃ of density is 850-991kg/m
3, 50 ℃ of viscosity are for being not more than 380mm
2/ s and be the marine fuel oil of 0-80mg/kg in the silicon of element silicon with in the total content of the aluminium of aluminium element; 100 ℃ of viscosity of said BO component are for being not less than 35mm
2/ s, 15 ℃ of density are 950-1200kg/m
3And in the silicon of element silicon with in the total content of the aluminium of aluminium element is 0-300mg/kg.
The present invention also provides the marine fuel oil by method for preparing.
In the preparation method of said marine fuel oil provided by the invention; Through the BO component is carried out viscosity breaking under given conditions; And will be from the product of viscosity breaking isolated boiling range be higher than 165 ℃ cut and lightweight oil component and concoct; Not only can prepare satisfactory marine fuel oil, and can reduce the consumption of the higher lightweight oil component of added value greatly, thereby greatly reduce the production cost of marine fuel oil.
Description of drawings
Fig. 1 is equipment and the synoptic diagram of flow direction of material thereof that is used for the preparation method of the said marine fuel oil that embodiment of the present invention provides.
Embodiment
The preparation method of said marine fuel oil provided by the invention may further comprise the steps:
(1) with the BO component at 400-450 ℃ of following viscosity breaking 10-60 minute;
(2) will pass through the product that obtains after the viscosity breaking and carry out fractionation, and collect boiling range and be higher than 165 ℃ cut;
(3) said boiling range is higher than 165 ℃ cut and mixes with the lightweight oil component, obtaining 15 ℃ of density is 850-991kg/m
3, 50 ℃ of viscosity are for being not more than 380mm
2/ s and be the marine fuel oil of 0-80mg/kg in the silicon of element silicon with in the total content of the aluminium of aluminium element.
In the present invention, 100 of said BO component ℃ of viscosity are for being not less than 35mm
2/ s is preferably 35-60mm
2/ s; 15 ℃ of density are 950-1200kg/m
3, be preferably 950-1050kg/m
3In the silicon of element silicon with in the total content of the aluminium of aluminium element is 0-300mg/kg, is preferably 0-50mg/kg.Concrete, said BO component for example can be in long residuum, vacuum residuum, catalytic slurry, deasphalted oil and the ultra viscous crude one or more.
According to said method provided by the invention; In step (1); Said viscosity breaking is as long as implement under the aforesaid operations condition, and implementation method that it is concrete and facilities and equipments do not have special qualification, and they all can suitably be selected in the viscosity breaking technology of routine.In one embodiment, the implementation process of said viscosity breaking for example can comprise passes through heating unit with said BO component, and temperature is increased to 400-450 ℃, preferred 410-430 ℃, gets into then in the up-flow reactor and reacts 10-60 minute.
According to said method provided by the invention; In step (2); The product that obtains after the viscosity breaking of said process is carried out fractionated process can be implemented in the separation column of routine; Said boiling range is higher than 165 ℃ cut and goes out at the tower bottom flow of separation column usually, and boiling range is that cut (like dry gas and petroleum naphtha) below 165 ℃ is from the cat head extraction of separation column.Said fractionated working method is well known to those skilled in the art, repeats no more at this.
According to said method provided by the invention, in step (3), said boiling range is higher than 165 ℃ cut and for example mixes and can in tempering tank, implement with the lightweight oil component.Said boiling range is higher than 165 ℃ the cut and the blending ratio of lightweight oil component and the material of lightweight oil component and selects all there is not special qualification, is 850-991kg/m as long as can obtain 15 ℃ of density
3, 50 ℃ of viscosity are for being not more than 380mm
2/ s and be that the marine fuel oil of 0-80mg/kg gets final product in the silicon of element silicon with in the total content of the aluminium of aluminium element.
In one embodiment, selecting 50 ℃ of viscosity for use when said lightweight oil component is 5-380mm
2/ s, 15 ℃ of density are 800-950kg/m
3And in the silicon of element silicon with in the total content of the aluminium of aluminium element is that (under the preferable case, 50 ℃ of viscosity are 5-180mm for the lightweight oil of 0-50mg/kg
2/ s, 15 ℃ of density are 800-900kg/m
3And in the silicon of element silicon with in the total content of the aluminium of aluminium element is 0-10mg/kg) time, being higher than 165 ℃ cut with respect to the said boiling range of 100 weight parts, the consumption of said lightweight oil component can be the 5-25 weight part.Generally, because the value of lightweight oil component is higher than the BO component, therefore, the consumption of lightweight oil component is more little, and then the production cost of marine fuel oil is low more.According to said method provided by the invention; A lightweight oil component that in the process of blending marine fuel oil, only needs to add very small amount can obtain satisfactory bunker fuel oil prodn, therefore, has at the marine fuel oil that guarantees final preparation under the situation of stability and compatibleness preferably; The consumption of said lightweight oil component is preferably few as far as possible; For example, be higher than 165 ℃ cut with respect to the said boiling range of 100 weight parts, the consumption of said lightweight oil component can be the 5-20 weight part; Perhaps 5-15 weight part, perhaps 5-10 weight part.
Under preferable case, said lightweight oil component is one or more in catalytic cracking diesel oil, heavy catalytic cycle oil, coker gas oil, solvent treatment extraction oil, ethylene bottom oil, shale oil and the wax tailings.
In another kind of preferred implementation; In order further to reduce the production cost of marine fuel oil; Said method also is included in said boiling range is higher than the catalytically cracked oil that adds lesser value in 165 ℃ cut and the lightweight oil component blended process; Be higher than 165 ℃ cut with respect to the said boiling range of 100 weight parts, the add-on of said catalytically cracked oil can be the 0.1-5 weight part, is preferably the 2-4 weight part.
In further preferred embodiment, for stability and the compatibleness that guarantees marine fuel oil, said method also is included in said boiling range is higher than in 165 ℃ cut and the lightweight oil component blended process and adds an amount of additive.Said additive can for example can be dispersion agent and/or inhibiter for the conventional various additives that use in the production technique of marine fuel oil.The add-on of said additive can be 0-500mg/kg, is preferably 50-150mg/kg.
According to one embodiment of the present invention, the facilities and equipments of said marine fuel oil and the synoptic diagram of flow direction of material can be as shown in Figure 1.In Fig. 1; BO component 1 gets in the process furnace 3 through interchanger 2 and heats up; The temperature of BO component is controlled to be 400-450 ℃ (being preferably 410-430 ℃), BO component under this temperature is added to carries out viscosity breaking processing 10-60 minute in the up-flow reactor 4 afterwards; Then, the product of viscosity breaking reaction is added to carries out fractionation in the separation column 5, collect boiling range at the bottom of the tower and be higher than 165 ℃ cut, thereby cat head extraction boiling range is the cut below 165 ℃; Then, the cut that said boiling range is higher than 165 ℃ is added in the tempering tank 6, in this tempering tank, adds catalytically cracked oil and/or the additive 7 that lightweight oil component 8 and selectivity add, the satisfactory marine fuel oil 9 of extraction from tempering tank 6 at last simultaneously.
The present invention also provides the marine fuel oil by method for preparing, and 15 ℃ of density of said marine fuel oil are 850-991kg/m
3, 50 ℃ of viscosity are for being not more than 380mm
2/ s and be the marine fuel oil of 0-80mg/kg in the silicon of element silicon with in the total content of the aluminium of aluminium element.
Below through embodiment the present invention is described further, but protection scope of the present invention is not limited in this.
In following examples and Comparative Examples; The viscosity of oil plant records according to the method for GB/T 11137-1989; The density of oil plant records according to the method for SH/T 0604-2000; Record in the silicon of element silicon with in the total content of the aluminium of the aluminium element method according to IP 501-2005 in the oil plant, the ash content of oil plant records according to the method for GB/T 508-1985, and the sulphur content of oil plant records according to the method for GB/T 17040-2008.
Embodiment 1
Present embodiment is used to explain said marine fuel oil provided by the invention and preparation method thereof.
Vacuum residuum (performance perameter is seen table 1) was handled 30 minutes 430 ℃ of following viscosity breakings; And the product that obtains is added to carries out fractionation in the separation column; Collect boiling range at the bottom of the tower and be higher than 165 ℃ cut; And the said boiling range of 82 weight parts is higher than 165 ℃ cut adds in the tempering tank; In this tempering tank, add the catalytically cracked oil (performance perameter is seen table 1) of 2.5 weight parts and the catalytic cracking diesel oil (performance perameter is seen table 1) of 15.5 weight parts simultaneously, obtain the 180CST marine fuel oil, the performance perameter of this marine fuel oil is as shown in table 2 below.
Embodiment 2
Present embodiment is used to explain said marine fuel oil provided by the invention and preparation method thereof.
Vacuum residuum (performance perameter is seen table 1) was handled 20 minutes 430 ℃ of following viscosity breakings; And the product that obtains is added to carries out fractionation in the separation column; Collect boiling range at the bottom of the tower and be higher than 165 ℃ cut; And the said boiling range of 91 weight parts is higher than 165 ℃ cut adds in the tempering tank; In this tempering tank, add the catalytically cracked oil (performance perameter is seen table 1) of 2 weight parts and the catalytic cracking diesel oil (performance perameter is seen table 1) of 7 weight parts simultaneously, obtain the 380CST marine fuel oil, the performance perameter of this marine fuel oil is as shown in table 2 below.
Embodiment 3
Present embodiment is used to explain said marine fuel oil provided by the invention and preparation method thereof.
Vacuum residuum (performance perameter is seen table 1) was handled 30 minutes 420 ℃ of following viscosity breakings; And the product that obtains is added to carries out fractionation in the separation column; Collect boiling range at the bottom of the tower and be higher than 165 ℃ cut; And the said boiling range of 80 weight parts is higher than 165 ℃ cut adds in the tempering tank; In this tempering tank, add the catalytically cracked oil (performance perameter is seen table 1) of 2.5 weight parts and the catalytic cracking diesel oil (performance perameter is seen table 1) of 17.5 weight parts simultaneously, obtain the 180CST marine fuel oil, the performance perameter of this marine fuel oil is as shown in table 2 below.
Embodiment 4
Present embodiment is used to explain said marine fuel oil provided by the invention and preparation method thereof.
Vacuum residuum (performance perameter is seen table 1) was handled 60 minutes 410 ℃ of following viscosity breakings; And the product that obtains is added to carries out fractionation in the separation column; Collect boiling range at the bottom of the tower and be higher than 165 ℃ cut; And the said boiling range of 88 weight parts is higher than 165 ℃ cut adds in the tempering tank; In this tempering tank, add the catalytically cracked oil (performance perameter is seen table 1) of 3 weight parts and the catalytic cracking diesel oil (performance perameter is seen table 1) of 9 weight parts simultaneously, obtain the 380CST marine fuel oil, the performance perameter of this marine fuel oil is as shown in table 2 below.
Comparative Examples 1
The catalytic cracking diesel oil (performance perameter is seen table 1) of the vacuum residuum (performance perameter is seen table 1) of 75 weight parts and 25 weight parts is added in the tempering tank mixes, obtain the 380CST marine fuel oil, the performance perameter of this marine fuel oil is as shown in table 2 below.
Comparative Examples 2
The catalytic cracking diesel oil (performance perameter is seen table 1) of vacuum residuum of 85 weight parts (performance perameter is seen table 1) and 15 weight parts is added to mix in the tempering tank and obtains the oil fuel product viscosity and exceed standard, and this oil fuel performance of products parameter is as shown in table 2 below.
Table 1
| Project | Vacuum residuum | Catalytically cracked oil | Catalytic cracking diesel oil |
| 15 ℃ of density (kgm -3) | 981.3 | 1114.2 | 943.0 |
| Viscosity (t ℃) (mm 2·s -1) | 413.8(100℃) | 138.7(80℃) | 95.8(50℃) |
| Sulphur/% | 2.25 | 1.6 | 0.70 |
| Ash content/% | 0.06 | 0.54 | ＜0.01 |
| The total content of aluminium+silicon (mg/kg) | 3.8 | 2256 | ＜0.1 |
Table 2
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative Examples 1 | Comparative Examples 2 | |
| Marine fuel oil | 180CST | 380CST | 180CST | 380CST | 380CST | 380CST |
| 15 ℃ of density (kgm -3) | 967.2 | 976.9 | 967.3 | 970.5 | 971.5 | 975.1 |
| 50 ℃ of viscosity (mm 2·s -1) | 178.6 | 377.8 | 177.9 | 378.6 | 372.8 | 6006 |
| Sulphur content (weight %) | 1.99 | 2.12 | 1.96 | 2.09 | 1.86 | 2.02 |
| The total content of aluminium+silicon (mg/kg) | 56.4 | 45.1 | 54.5 | 67.7 | 2.9 | 3.3 |
Data by table 2 can be found out, according to the preparation method of said marine fuel oil provided by the invention, can make satisfactory bunker fuel oil prodn through adding more a spot of lightweight oil component, thereby greatly reduce the production cost of marine fuel oil.
Above embodiment only is used to describe preferred implementation of the present invention; But; The present invention is not limited to the detail in the above-mentioned embodiment; In technical conceive scope of the present invention, can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Need to prove that in addition each the concrete technical characterictic described in above-mentioned embodiment under reconcilable situation, can make up through any suitable manner.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible array modes.
In addition, also can carry out arbitrary combination 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.
Claims (9)
1. the preparation method of a marine fuel oil is characterized in that, this method may further comprise the steps:
(1) with the BO component at 400-450 ℃ of following viscosity breaking 10-60 minute;
(2) will pass through the product that obtains after the viscosity breaking and carry out fractionation, and collect boiling range and be higher than 165 ℃ cut;
(3) said boiling range is higher than 165 ℃ cut and mixes with the lightweight oil component, obtaining 15 ℃ of density is 850-991kg/m
3, 50 ℃ of viscosity are for being not more than 380mm
2/ s and be the marine fuel oil of 0-80mg/kg in the silicon of element silicon with in the total content of the aluminium of aluminium element;
100 ℃ of viscosity of said BO component are for being not less than 35mm
2/ s, 15 ℃ of density are 950-1200kg/m
3And in the silicon of element silicon with in the total content of the aluminium of aluminium element is 0-300mg/kg.
2. method according to claim 1 wherein, is higher than 165 ℃ cut with respect to the said boiling range of 100 weight parts, and the consumption of said lightweight oil component is the 5-25 weight part, and 50 ℃ of viscosity of said lightweight oil component are 5-380mm
2/ s, 15 ℃ of density are 800-950kg/m
3And in the silicon of element silicon with in the total content of the aluminium of aluminium element is 0-50mg/kg.
3. method according to claim 1 wherein, is higher than 165 ℃ cut with respect to the said boiling range of 100 weight parts, and the consumption of said lightweight oil component is the 5-15 weight part, and 50 ℃ of viscosity of said lightweight oil component are 5-180mm
2/ s, 15 ℃ of density are 800-900kg/m
3And in the silicon of element silicon with in the total content of the aluminium of aluminium element is 0-10mg/kg.
4. according to any described method among the claim 1-3, wherein, 100 ℃ of viscosity of said BO component are 35-60mm
2/ s, 15 ℃ of density are 950-1050kg/m
3, and be 0-50mg/kg in the silicon of element silicon with in the total content of the aluminium of aluminium element.
5. method according to claim 4, wherein, said BO component is one or more in long residuum, vacuum residuum, catalysis clarified oil, deasphalted oil and the ultra viscous crude.
6. according to any described method among the claim 1-3, wherein, said lightweight oil component is one or more in catalytic cracking diesel oil, heavy catalytic cycle oil, coker gas oil, solvent treatment extraction oil, ethylene bottom oil, shale oil and the wax tailings.
7. method according to claim 1; Wherein, Said method also is included in said boiling range is higher than in 165 ℃ cut and the lightweight oil component blended process and adds catalytically cracked oil; Be higher than 165 ℃ cut with respect to the said boiling range of 100 weight parts, the add-on of said catalytically cracked oil is the 0.1-5 weight part.
8. method according to claim 7 wherein, is higher than 165 ℃ cut with respect to the said boiling range of 100 weight parts, and the add-on of said catalytically cracked oil is the 2-4 weight part.
9. by any marine fuel oil that described method prepares among the claim 1-8.
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| CN114644943A (en) * | 2020-12-21 | 2022-06-21 | 中国石油化工股份有限公司 | Method for producing bunker fuel oil |
| CN114644941A (en) * | 2020-12-21 | 2022-06-21 | 中国石油化工股份有限公司 | Production method of marine fuel oil |
| CN114644941B (en) * | 2020-12-21 | 2023-03-07 | 中国石油化工股份有限公司 | Production method of marine fuel oil |
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