CN110872533A - Low-sulfur heavy bunker fuel oil and preparation method thereof - Google Patents

Low-sulfur heavy bunker fuel oil and preparation method thereof Download PDF

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CN110872533A
CN110872533A CN201811025907.8A CN201811025907A CN110872533A CN 110872533 A CN110872533 A CN 110872533A CN 201811025907 A CN201811025907 A CN 201811025907A CN 110872533 A CN110872533 A CN 110872533A
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oil
parts
fuel oil
stirring
additive
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CN110872533B (en
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李海燕
许金山
许晓斌
张艳
刘爱华
何芬红
刘文波
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China Petroleum and Chemical Corp
Qilu Petrochemical Co of Sinopec
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Qilu Petrochemical Co of Sinopec
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/04—Liquid carbonaceous fuels essentially based on blends of hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/146—Macromolecular compounds according to different macromolecular groups, mixtures thereof
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/18—Organic compounds containing oxygen
    • C10L1/192—Macromolecular compounds
    • C10L1/198—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid
    • C10L1/1985—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid polyethers, e.g. di- polygylcols and derivatives; ethers - esters
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/30—Organic compounds compounds not mentioned before (complexes)
    • C10L1/305—Organic compounds compounds not mentioned before (complexes) organo-metallic compounds (containing a metal to carbon bond)

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Liquid Carbonaceous Fuels (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

A low-sulfur heavy bunker fuel oil and a preparation method thereof belong to the technical field of heavy fuel oil. The composite material is characterized by comprising the following raw materials in parts by weight: 40-65 parts of residual oil, 5-15 parts of catalytic slurry oil, 5-20 parts of styrene tar, 5-20 parts of ethylene tar, 5-20 parts of diesel oil, 100.2-1 parts of an additive OP-100.1-0.5 part of an additive AES. The preparation method comprises the following steps: 1) adding styrene tar, diesel oil, additive OP-10, additive AES, residual oil and catalytic slurry oil in sequence, and stirring the mixture at a medium speed; then adding ethylene tar and stirring at high speed to obtain the final product. The invention solves the problems that the styrene tar is not uniformly mixed with other oil products, floccules are easy to generate and coking is easy to occur in the using process.

Description

Low-sulfur heavy bunker fuel oil and preparation method thereof
Technical Field
A low-sulfur heavy bunker fuel oil and a preparation method thereof belong to the technical field of heavy fuel oil.
Background
The existing marine fuel oil standard GB17411-2015 specifies that when a ship sails in a general offshore area, the sulfur content of heavy marine fuel oil should not exceed 3.5%, and the specific requirements of various ports are met; with the increasing problem of air pollution, the reduction of the emission of pollutants from ships is urgent, and measures for reducing the emission of pollutants from ships include changing to low-sulfur fuel oil, increasing the post-treatment devices of ships, reducing the ship speed, using alternative fuels, and establishing emission control areas, wherein the use of low-sulfur fuel oil is the most effective and simple and feasible measure for reducing the emission of pollutants.
The development of marine fuel oil for ships is consistent with that of vehicle fuel oil, and the development is towards low-sulfur and low-carbon emission. The sulfur content of the heavy bunker fuel oil should not exceed 0.50 percent when the ship sails in a general region on the sea in 1 month and 1 day after 2020.
The sulfur content control index of the heavy bunker fuel oil produced in the current market is mostly 3.5%, which not only pollutes the environment, but also prohibits the use of the heavy bunker fuel oil with the sulfur content of more than 0.5% from 2020 along with the implementation of the sulfur limit policy, so that the heavy bunker fuel oil with the low sulfur content is needed to be provided.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: overcomes the defects of the prior art, and provides the low-sulfur heavy marine fuel oil which has simple process, energy conservation, convenient operation and low consumption of catalytic slurry oil with low added value and the preparation method thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows: the low-sulfur heavy marine fuel oil is characterized by comprising the following raw materials in parts by weight: 40-65 parts of residual oil, 5-15 parts of catalytic slurry oil, 5-20 parts of styrene tar, 5-20 parts of ethylene tar, 5-20 parts of diesel oil, 0.2-1 part of additive OP-10 (polyoxyethylene octyl phenol ether-10) and 0.1-0.5 part of additive AES (fatty alcohol polyoxyethylene ether sodium sulfate).
The invention aims to provide low-sulfur heavy bunker fuel oil which has the characteristic of low sulfur content and meets increasingly strict environmental protection requirements. The invention adds a proper amount of additive OP-10 and AES, which solves the problems of uneven mixing of the styrene tar and other oil products, easy generation of floccules and easy coking in the using process. The dosage of the additive is too low, the styrene tar and other oil products can still be mixed unevenly, floccules are easy to generate, and coking is easy to occur in the using process; if the amount of the additive is too high, the density of the fuel oil is increased, and the quality of the fuel oil is affected.
The residual oil is hydrogenated residual oil, and the density at 20 ℃ is 880 kg/m3~980kg/m3The flash point is higher than 130 ℃, and the content of aluminum silicon is less than 30 mg/kg. The physical and chemical properties of the preferable residual oil can be better matched with other components in the invention, and the fuel oil performance of the obtained fuel oil is better.
The density of the catalytic slurry oil at 20 ℃ is 1000 kg/m3~1200kg/m3The flash point is higher than 130 ℃, and the content of aluminum silicon is 200 mg/kg-500 mg/kg; the addition amount of the catalytic slurry oil is 8-12 parts by weight. The physicochemical property of the optimized catalytic slurry oil can be better matched with other components in the invention, and the fuel oil property of the obtained fuel oil is better.
The density of the styrene tar at 20 ℃ is 950 kg/m3~1050kg/m3The flash point is 20-80 ℃, and the content of aluminum silicon is less than 20 mg/kg. The physical and chemical properties of the optimized styrene tar can be better matched with other components in the invention, the adaptability to the additive is better, and the fuel oil performance of the obtained fuel oil is better.
The density of the ethylene tar at 20 ℃ is 980 kg/m3~1080kg/m3The flash point is 20-80 ℃, and the content of aluminum silicon is less than 20mgIn terms of/kg. The physical and chemical properties of the optimized ethylene tar can be better matched with other components in the invention, and the fuel oil performance of the obtained fuel oil is better.
The diesel oil is one or a mixture of more than two of catalytic diesel oil, ethylene diesel oil and coking diesel oil, and the density at 20 ℃ is 920 kg/m3~1020kg/m3The flash point is more than 45 ℃, and the content of aluminum silicon is less than 30 mg/kg. The physicochemical property of the optimized diesel oil can be better matched with other components in the invention, and the fuel oil property of the obtained fuel oil is better.
The preparation method of the low-sulfur heavy marine fuel oil is characterized by comprising the following steps: the method comprises the following steps:
1) weighing styrene tar and diesel oil according to the weight parts, mixing, and stirring at a medium speed for 20-30 min to obtain a mixture A;
2) adding an additive OP-10 and an additive AES into the mixture A obtained in the step 1), and continuously stirring at a medium speed for 20-30 min to obtain a mixture B;
3) adding residual oil into the mixture B obtained in the step 2), heating to 30-40 ℃, and continuously stirring at medium speed for 20-30 min to obtain a mixture C;
4) adding catalytic slurry oil into the mixture C obtained in the step 3), heating to 50-60 ℃, and continuously stirring at medium speed for 20-30 min to obtain a mixture D;
5) cooling the mixture D in the step 4) to room temperature, adding ethylene tar, and stirring at high speed for 30-60 min to obtain the catalyst.
According to the preparation method, all materials are mixed according to a specific sequence, so that the materials can be fully mixed, and the heavy bunker fuel oil with excellent combustion performance is obtained.
The stirring speed of the medium-speed stirring in the steps 1) to 4) is 80 rpm to 150 rpm. The preferred stirring speed ensures the mixing efficiency and the mixing effect, and avoids the occurrence of flocculation.
The stirring speed of the high-speed stirring in the step 5) is 800-1500 rpm. The preferred stirring speed ensures the mixing efficiency and the mixing effect, and avoids the occurrence of flocculation.
Heating to 34-36 ℃ in the step 3), and heating to 54-55 ℃ in the step 4). The optimal mixing temperature can ensure the mixing efficiency and the mixing effect, avoid flocculation and obtain the heavy bunker fuel oil with excellent combustion performance.
Before mixing oil materials, respectively measuring the performance indexes of hydrogenated residual oil, catalytic cracking slurry oil, styrene tar, ethylene tar and diesel oil, comparing with the standard of marine fuel oil, and finding out the index with great influence on the quality of the oil products. And (3) performing blending test on the raw oil until indexes with larger influence on the blended oil meet the marine fuel oil standard, and determining the blending proportion of each raw oil by comprehensively considering the economic benefit.
Compared with the prior art, the invention has the beneficial effects that: the low-sulfur heavy bunker fuel oil introduces a large proportion of low added value product catalytic slurry oil into raw materials, reduces the production cost of bunker fuel oil, has low price of ethylene tar and styrene tar, low sulfur content, particularly has very obvious low-sulfur performance of the styrene tar, reduces the sulfur content of the bunker fuel oil, meets the requirement of environmental protection, has competitiveness in economy, improves the fluidity of the heavy bunker fuel oil by adding diesel oil, and solves the problem of uneven mixing of the styrene tar and other oil products by adding additives. The preparation method firstly adds the catalytic slurry oil with low utilization value and low price to the maximum extent on the premise of meeting the technical index of the marine fuel oil and the sulfur content of less than 0.5 percent, thereby reducing the production cost.
Detailed Description
The invention is further illustrated by the following specific examples, of which example 1 is the best mode of practice.
Example 1
The low-sulfur heavy marine fuel oil comprises the following components in parts by weight: 47 parts of hydrogenated residual oil, 10 parts of catalytic slurry oil, 13 parts of styrene tar, 12 parts of ethylene tar, 13 parts of diesel oil, 100.6 parts of additive OP-100.2 parts of additive AES;
the preparation method comprises the following steps:
1) respectively measuring the performance indexes of the hydrogenated residual oil, the catalytic cracking slurry oil, the styrene tar, the ethylene tar and the diesel oil, and comparing the performance indexes with the standard of the marine fuel oil to find out indexes which have larger influence on the quality of oil products;
2) performing blending test on the raw oil until indexes with larger influence on the blended oil meet the marine fuel oil standard, and determining the blending proportion of each raw oil by comprehensively considering economic benefits;
3) weighing the components in parts by weight, mixing styrene tar with diesel oil, and stirring at medium speed for 25 min;
4) adding an additive OP-10 and an additive AES into the mixture obtained in the step 3), and stirring at a medium speed for 25 min;
5) adding catalytic hydrogenation residual oil into the mixture obtained in the step 4), heating to 35 ℃, and stirring at medium speed for 25 min;
6) adding catalytic slurry oil into the mixture obtained in the step 5), heating to 55 ℃, and stirring at medium speed for 25 min;
7) cooling the mixture obtained in the step 6) to room temperature, adding ethylene tar, and stirring at high speed for 45min to obtain the final product.
Example 2
The low-sulfur heavy marine fuel oil comprises the following components in parts by weight: 60 parts of hydrogenated residual oil, 8 parts of catalytic slurry oil, 15 parts of styrene tar, 9 parts of ethylene tar, 16 parts of diesel oil, 100.4 parts of additive OP-100.3 parts of additive AES;
the preparation method comprises the following steps:
1) respectively measuring the performance indexes of the hydrogenated residual oil, the catalytic cracking slurry oil, the styrene tar, the ethylene tar and the diesel oil, and comparing the performance indexes with the standard of the marine fuel oil to find out indexes which have larger influence on the quality of oil products;
2) performing blending test on the raw oil until indexes with larger influence on the blended oil meet the marine fuel oil standard, and determining the blending proportion of each raw oil by comprehensively considering economic benefits;
3) weighing the components in parts by weight, mixing styrene tar with diesel oil, and stirring at a medium speed for 28 min;
4) adding an additive OP-10 and an additive AES into the mixture obtained in the step 3), and stirring at a medium speed for 22 min;
5) adding catalytic hydrogenation residual oil into the mixture obtained in the step 4), heating to 37 ℃, and stirring at medium speed for 27 min;
6) adding catalytic slurry oil into the mixture obtained in the step 5), heating to 52 ℃, and stirring at medium speed for 23 min;
7) cooling the mixture obtained in the step 6) to room temperature, adding ethylene tar, and stirring at high speed for 50min to obtain the final product.
Example 3
The low-sulfur heavy marine fuel oil comprises the following components in parts by weight: 55 parts of hydrogenated residual oil, 13 parts of catalytic slurry oil, 15 parts of styrene tar, 5 parts of ethylene tar, 12 parts of diesel oil, 100.7 parts of additive OP-100.7 parts and 0.3 part of additive AES;
the preparation method comprises the following steps:
1) respectively measuring the performance indexes of the hydrogenated residual oil, the catalytic cracking slurry oil, the styrene tar, the ethylene tar and the diesel oil, and comparing the performance indexes with the standard of the marine fuel oil to find out indexes which have larger influence on the quality of oil products;
2) performing blending test on the raw oil until indexes with larger influence on the blended oil meet the marine fuel oil standard, and determining the blending proportion of each raw oil by comprehensively considering economic benefits;
3) weighing the components in parts by weight, mixing styrene tar with diesel oil, and stirring at medium speed for 22 min;
4) adding an additive OP-10 and an additive AES into the mixture obtained in the step 3), and stirring at a medium speed for 28 min;
5) adding catalytic hydrogenation residual oil into the mixture obtained in the step 4), heating to 30-40 ℃, and stirring at medium speed for 23 min;
6) adding catalytic slurry oil into the mixture obtained in the step 5), heating to 50-60 ℃, and stirring at medium speed for 27 min;
7) cooling the mixture obtained in the step 6) to room temperature, adding ethylene tar, and stirring at high speed for 40min to obtain the final product.
Example 4
The low-sulfur heavy marine fuel oil comprises the following components in parts by weight: 40 parts of residual oil, 15 parts of catalytic slurry oil, 5 parts of styrene tar, 20 parts of ethylene tar, 5 parts of diesel oil, 100.2 parts of additive OP-100.1 parts of additive AES;
the preparation method comprises the following steps:
1) respectively measuring the performance indexes of the hydrogenated residual oil, the catalytic cracking slurry oil, the styrene tar, the ethylene tar and the diesel oil, and comparing the performance indexes with the standard of the marine fuel oil to find out indexes which have larger influence on the quality of oil products;
2) performing blending test on the raw oil until indexes with larger influence on the blended oil meet the marine fuel oil standard, and determining the blending proportion of each raw oil by comprehensively considering economic benefits;
3) weighing the components in parts by weight, mixing styrene tar with diesel oil, and stirring at medium speed for 20 min;
4) adding an additive OP-10 and an additive AES into the mixture obtained in the step 3), and stirring at a medium speed for 30 min;
5) adding catalytic hydrogenation residual oil into the mixture obtained in the step 4), heating to 30 ℃, and stirring at medium speed for 20 min;
6) adding catalytic slurry oil into the mixture obtained in the step 5), heating to 60 ℃, and stirring at medium speed for 30 min;
7) cooling the mixture obtained in the step 6) to room temperature, adding ethylene tar, and stirring at high speed for 30min to obtain the final product.
Example 5
The low-sulfur heavy marine fuel oil comprises the following components in parts by weight: 65 parts of residual oil, 5 parts of catalytic slurry oil, 20 parts of styrene tar, 5 parts of ethylene tar, 20 parts of diesel oil, OP-101 parts of an additive and 0.5 part of AES (AES);
the preparation method comprises the following steps:
1) respectively measuring the performance indexes of the hydrogenated residual oil, the catalytic cracking slurry oil, the styrene tar, the ethylene tar and the diesel oil, and comparing the performance indexes with the standard of the marine fuel oil to find out indexes which have larger influence on the quality of oil products;
2) performing blending test on the raw oil until indexes with larger influence on the blended oil meet the marine fuel oil standard, and determining the blending proportion of each raw oil by comprehensively considering economic benefits;
3) weighing the components in parts by weight, mixing styrene tar with diesel oil, and stirring at medium speed for 30 min;
4) adding an additive OP-10 and an additive AES into the mixture obtained in the step 3), and stirring at a medium speed for 20 min;
5) adding catalytic hydrogenation residual oil into the mixture obtained in the step 4), heating to 40 ℃, and stirring at medium speed for 30 min;
6) adding catalytic slurry oil into the mixture obtained in the step 5), heating to 50 ℃, and stirring at medium speed for 20 min;
7) cooling the mixture obtained in the step 6) to room temperature, adding ethylene tar, and stirring at high speed for 60min to obtain the final product.
Comparative example 1
The low-sulfur heavy marine fuel oil comprises the following components in parts by weight: 30 parts of hydrogenated residual oil, 20 parts of catalytic slurry oil, 5 parts of styrene tar, 10 parts of ethylene tar, 35 parts of diesel oil, 100.5 parts of additive OP-100.2 parts of additive AES;
the preparation method is the same as example 1.
Comparative example 2
The low-sulfur heavy marine fuel oil comprises the following components in parts by weight: 75 parts of hydrogenated residual oil, 10 parts of catalytic slurry oil, 5 parts of styrene tar, 5 parts of ethylene tar, 5 parts of diesel oil, 100.3 parts of additive OP-100.2 parts of additive AES;
the preparation method is the same as example 1.
Comparative example 3
The low-sulfur heavy marine fuel oil comprises the following components in parts by weight: 47 parts of hydrogenated residual oil, 10 parts of catalytic slurry oil, 13 parts of styrene tar, 12 parts of ethylene tar and 13 parts of diesel oil; the preparation method is the same as that of example 1, and serious flocculation occurs after the preparation, so that the preparation method cannot be applied.
The main performance test results of the hydrogenated residual oil, slurry oil, styrene tar, ethylene tar, diesel oil and other raw oil are shown in table 1.
TABLE 1 measurement results of main properties of raw oil
Figure DEST_PATH_IMAGE001
。
The main technical index requirements and the detection results of the examples of the marine residual fuel oil obtained in the examples and the comparative examples are shown in Table 2 according to the current national standard GB/T17411-2015 of the marine fuel oil.
TABLE 2 Low sulfur heavy bunker fuel oil test results
Figure 996609DEST_PATH_IMAGE002
。
The embodiment and the detection result show that the kinematic viscosity, the density, the flash point, the acid value and the aluminum-silicon content of the low-sulfur heavy marine fuel oil prepared by the invention all reach the quality standard, particularly the sulfur content is less than 0.4 percent and far lower than the current standard by 3.5 percent, the requirement that the sulfur content of the marine fuel oil is less than 0.5 percent after 2020 years is met, and the increasingly strict environmental protection requirement is met. In the preparation process of the low-sulfur heavy marine fuel oil, a low value-added product, namely the catalytic slurry oil, is added in a large proportion, so that the catalytic slurry oil is digested and the cost is reduced.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

Claims (10)

1. The low-sulfur heavy marine fuel oil is characterized by comprising the following raw materials in parts by weight: 40-65 parts of residual oil, 5-15 parts of catalytic slurry oil, 5-20 parts of styrene tar, 5-20 parts of ethylene tar, 5-20 parts of diesel oil, 100.2-1 parts of an additive OP-100.1-0.5 part of an additive AES.
2. The low sulfur heavy bunker fuel oil of claim 1, wherein: said oil residueThe hydrogenated residue has a density of 880 kg/m at 20 DEG C3~980kg/m3The flash point is higher than 130 ℃, and the content of aluminum silicon is less than 30 mg/kg.
3. The low sulfur heavy bunker fuel oil of claim 1, wherein: the density of the catalytic slurry oil at 20 ℃ is 1000 kg/m3~1200kg/m3The flash point is higher than 130 ℃, and the content of aluminum silicon is 200 mg/kg-500 mg/kg; the addition amount of the catalytic slurry oil is 8-12 parts by weight.
4. The low sulfur heavy bunker fuel oil of claim 1, wherein: the density of the styrene tar at 20 ℃ is 950 kg/m3~1050kg/m3The flash point is 20-80 ℃, and the content of aluminum silicon is less than 20 mg/kg.
5. The low sulfur heavy bunker fuel oil of claim 1, wherein: the density of the ethylene tar at 20 ℃ is 980 kg/m3~1080kg/m3The flash point is 20-80 ℃, and the content of aluminum silicon is less than 20 mg/kg.
6. The low sulfur heavy bunker fuel oil of claim 1, wherein: the diesel oil is one or a mixture of more than two of catalytic diesel oil, ethylene diesel oil and coking diesel oil, and the density at 20 ℃ is 920 kg/m3~1020kg/m3The flash point is more than 45 ℃, and the content of aluminum silicon is less than 30 mg/kg.
7. The method for preparing the low-sulfur heavy bunker fuel oil as claimed in any one of claims 1 to 6, wherein the method comprises the following steps: the method comprises the following steps:
1) weighing styrene tar and diesel oil according to the weight parts, mixing, and stirring at a medium speed for 20-30 min to obtain a mixture A;
2) adding an additive OP-10 and an additive AES into the mixture A obtained in the step 1), and continuously stirring at a medium speed for 20-30 min to obtain a mixture B;
3) adding residual oil into the mixture B obtained in the step 2), heating to 30-40 ℃, and continuously stirring at medium speed for 20-30 min to obtain a mixture C;
4) adding catalytic slurry oil into the mixture C obtained in the step 3), heating to 50-60 ℃, and continuously stirring at medium speed for 20-30 min to obtain a mixture D;
5) cooling the mixture D in the step 4) to room temperature, adding ethylene tar, and stirring at high speed for 30-60 min to obtain the catalyst.
8. The method of claim 7, wherein the low sulfur heavy bunker fuel oil is prepared by: the stirring speed of the medium-speed stirring in the steps 1) to 4) is 80 rpm to 150 rpm.
9. The method of claim 7, wherein the low sulfur heavy bunker fuel oil is prepared by: the stirring speed of the high-speed stirring in the step 5) is 800-1500 rpm.
10. The method of claim 7, wherein the low sulfur heavy bunker fuel oil is prepared by: heating to 34-36 ℃ in the step 3), and heating to 54-55 ℃ in the step 4).
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CN113969196A (en) * 2021-10-26 2022-01-25 中国石油化工股份有限公司 Low-sulfur marine fuel oil and preparation method thereof
CN114479963A (en) * 2020-10-26 2022-05-13 中国石油化工股份有限公司 No. 380 clean marine fuel oil and preparation method thereof
CN114479962A (en) * 2020-10-26 2022-05-13 中国石油化工股份有限公司 No. 180 environment-friendly marine fuel oil and preparation method and application thereof
CN116042257A (en) * 2021-10-28 2023-05-02 中国石油化工股份有限公司 High-net-heat-value low-sulfur ship combustion and preparation method thereof

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CN114479963A (en) * 2020-10-26 2022-05-13 中国石油化工股份有限公司 No. 380 clean marine fuel oil and preparation method thereof
CN114479962A (en) * 2020-10-26 2022-05-13 中国石油化工股份有限公司 No. 180 environment-friendly marine fuel oil and preparation method and application thereof
CN114479962B (en) * 2020-10-26 2023-10-20 中国石油化工股份有限公司 No. 180 environment-friendly ship fuel oil and preparation method and application thereof
CN114479963B (en) * 2020-10-26 2023-10-20 中国石油化工股份有限公司 No. 380 clean marine fuel oil and preparation method thereof
CN113969196A (en) * 2021-10-26 2022-01-25 中国石油化工股份有限公司 Low-sulfur marine fuel oil and preparation method thereof
CN113969196B (en) * 2021-10-26 2022-12-16 中国石油化工股份有限公司 Low-sulfur marine fuel oil and preparation method thereof
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