CN108192674A - A kind of bunker fuel oil - Google Patents

A kind of bunker fuel oil Download PDF

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Publication number
CN108192674A
CN108192674A CN201711475646.5A CN201711475646A CN108192674A CN 108192674 A CN108192674 A CN 108192674A CN 201711475646 A CN201711475646 A CN 201711475646A CN 108192674 A CN108192674 A CN 108192674A
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oil
fuel oil
mass percent
content
bunker fuel
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鞠建明
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Zhejiang Run Technology Co Ltd
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Zhejiang Run Technology Co Ltd
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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
    • 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

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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)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

The invention discloses a kind of bunker fuel oils, and by weight percentage, the fuel oil includes：45 68.0% Atmospheric vacuum residual oil, 15 30% wax oil, 10 13% diesel oil and 7 12% slurry oil.Bunker fuel oil provided by the present invention, meet dredging work ship working characteristics, all technical is satisfied by the related request of national standard and international standard, reduces environmental pollution caused by ship discharges exhaust gas and avoids a series of problems that dredging work ship occurs in fuel oil is used.

Description

A kind of bunker fuel oil
Technical field
The present invention relates to fuel oil fields, and in particular to a kind of bunker fuel oil.
Background technology
Dredging work ship generally the port on port city periphery navigate waters construction operation, Ship Power Equipment it is reliable Property directly affect operation waters harbour and Navigation in Navigable safety.And ship discharge causes to press to urban atmosphere and water environment Power.Due to the particularity of dredging work ship, configuration all uses middle high speed diesel engine.For these reasons, dredging work ship ship It is very high to fuel oil quality requirements with diesel engine, in addition to conventional physico-chemical properties need to reach standard requirement, to aluminium, silicon, vanadium in oil product Comparision contents it is sensitive, oil product sulfur is controlled more demanding.
In recent years, fuel oil quality has seriously affected the safe handling of equipment and the safe navigation of ship.Because of dredger Journey ship is mostly in the busy major port of shipping, especially navigation channel construction operation, trailing suction hopper dredger, and operating area is just each Harbour, navigation channel operational area once haveing spot machine failure, will directly affect the normal safe operation at the harbour and navigation channel, seriously When will cause harbour, navigation channel part close.It is maintenance of the vessel, standby and since the time between overhauls(TBO) of boat diesel engine greatly shortens Part cost is significantly increased, and effective production time declines, and project progress can not ensure.
The oil quality of fuel oil is weighed with its physical and chemical index, they are direct or indirect to reflect fuel oil Combustibility, management etc. the feature of the composition of combustion product and fuel oil, the work of diesel engine can be produced bigger effect.
As shown in table 1, the index for influencing fuel oil combustion performance mainly includes：Cetane number calculates carbon fragrance index (CCAI), fraction and boiling range, calorific capacity, viscosity；The index that combustion product is formed is influenced mainly to include：Sulphur content, ash content, carbon residue Value, mechanical admixture, asphalitine, colloid, aluminium, silicon, vanadium and sodium content；The index for influencing fuel management work mainly includes：It dodges Point, density, pour point, acid value, moisture.
1. fuel oil technical indicator of table is to the impact analysis table of diesel engine
The major and minor machine of working ship all using middle high speed diesel engine, during construction diesel engine operation characteristic be start frequently, load becomes Change greatly, to fuel demand height.At present, fuel oil market is difficult to find that the high standard for meeting dredging work ship working characteristics at home Fuel oil causes dredging work ship can be using high price, the import 180cst fuel oil of high-sulfur.Meet dredging for this purpose, producing The high standard 180cst fuel oil of working ship characteristic, to reduce environmental pollution caused by ship discharges exhaust gas and avoid dredging work A series of problems that ship occurs in fuel oil is used, becomes urgent problem to be solved.
Invention content
The object of the present invention is to provide a kind of bunker fuel oil, to reduce environmental pollution caused by ship discharges exhaust gas and keep away Exempt from a series of problems that dredging work ship occurs in fuel oil is used.
In order to achieve the above objectives, the present invention provides a kind of bunker fuel oils, by weight percentage, the fuel oil packet It includes：The Atmospheric vacuum residual oil of 45-68.0%, the wax oil of 15-30%, the diesel oil of 10-13% and the slurry oil of 7-12%.
Optionally, by weight percentage, the fuel oil includes：68.0% Atmospheric vacuum residual oil, 15% wax oil, 10% diesel oil and 7% slurry oil.
Optionally, by weight percentage, the fuel oil includes：45% Atmospheric vacuum residual oil, 30% wax oil, 13% Diesel oil and 12% slurry oil.
Density≤1013.4kg/m during 20 DEG C of the Atmospheric vacuum residual oil3, mass percent≤1.00% of sulfur content, always Mass percent≤0.10% of sediment, mass percent≤17.0% of carbon residue, mass percent≤0.10% of ash content, Mass percent≤5.0% of asphalitine, content of vanadium≤150mg/kg, sodium content≤100mg/kg, aluminium and silicon total content≤ 200mg/kg。
Density≤950.0kg/m during 20 DEG C of the wax oil3, initial boiling point >=214 DEG C, 10% recovered (distilled) temperature≤229 DEG C, 90% recovered (distilled) temperature≤360 DEG C, 95% recovered (distilled) temperature≤395 DEG C, mass percent≤1.0% of sulfur content, the volume of moisture Percentage≤0.5%, condensation point≤30 DEG C.
Kinematic viscosity during 50 DEG C of the diesel oil is 3.0-8.0mm2/ s, Cetane number >=45,50% recovered (distilled) temperature≤300 DEG C, 90% recovered (distilled) temperature≤355 DEG C, 95% recovered (distilled) temperature≤365 DEG C, mass percent≤0.10% of sulfur content, flash-point >= 55 DEG C, copper corrosion≤1 grade, acidity≤7mgKOH/100ml, mass percent≤0.3% of 10% steaming excess carbon residue, ash content Mass percent≤0.01%, oxidation stability sediment≤2.5mg/100ml, condensation point≤0 DEG C, cold filter plugging point≤4 DEG C, color number≤ 3.5。
Kinematic viscosity≤500.0mm during 50 DEG C of the slurry oil2/ s, density≤1033.3kg/m at 20 DEG C3, sulfur content Mass percent≤1.0%, mass percent≤0.3% of total sediment, mass percent≤15.0% of carbon residue, moisture Percent by volume≤0.50%, mass percent≤0.3% of ash content, mass percent≤6.00% of asphalitine, total heat Value>41.00MJ/kg, content of vanadium≤150mg/kg, sodium content≤150mg/kg, aluminium and silicon total content≤2300mg/kg.
Relative to the prior art, the invention has the advantages that：
Bunker fuel oil provided by the present invention, meets dredging work ship working characteristics, and all technical is satisfied by state The related request of family's standard and international standard reduces environmental pollution caused by ship discharges exhaust gas and avoids dredging work ship The a series of problems occurred in fuel oil is used.
Specific embodiment
Below by way of specific embodiment, the invention will be further described, these embodiments are merely to illustrate the present invention, It is not limiting the scope of the invention.
The present invention provides a kind of bunker fuel oils, and by weight percentage, the fuel oil includes：45-68.0%'s Atmospheric vacuum residual oil, the wax oil of 15-30%, the diesel oil of 10-13% and the slurry oil of 7-12%.
As shown in table 2, the ingredient for the base stock of bunker fuel oil of the present invention and effect.
The ingredient of the base stock of 2. bunker fuel oil of the present invention of table, effect
It is respectively bunker fuel oil basis of the present invention strictly to control the quality of each raw material components of fuel oil, shown in table 3~6 The oil product control standard of raw material (Atmospheric vacuum residual oil, wax oil, diesel oil and slurry oil), checkout procedure refer to according to GB/T17411-2015 Determine test method progress.
As shown in table 3, density≤1013.4kg/m during 20 DEG C of the Atmospheric vacuum residual oil3, the mass percent of sulfur content ≤ 1.00%, mass percent≤0.10% of total sediment, mass percent≤17.0% of carbon residue, the quality percentage of ash content Than≤0.10%, mass percent≤5.0% of asphalitine, content of vanadium≤150mg/kg, sodium content≤100mg/kg, aluminium and silicon Total content≤200mg/kg.
3. Atmospheric vacuum residual oil oil product of table controls standard
As shown in table 4, density≤950.0kg/m during 20 DEG C of the wax oil3, initial boiling point >=214 DEG C, 10% recovered (distilled) temperature ≤ 229 DEG C, 90% recovered (distilled) temperature≤360 DEG C, 95% recovered (distilled) temperature≤395 DEG C, mass percent≤1.0% of sulfur content, water Percent by volume≤0.5% divided, condensation point≤30 DEG C.
4. wax oil oil product of table controls standard
As shown in table 5, kinematic viscosity during 50 DEG C of the diesel oil is 3.0-8.0mm2/ s, Cetane number >=45,50% evaporate Go out temperature≤300 DEG C, 90% recovered (distilled) temperature≤355 DEG C, 95% recovered (distilled) temperature≤365 DEG C, the mass percent of sulfur content≤ 0.10%, flash-point >=55 DEG C, copper corrosion≤1 grade, acidity≤7mgKOH/100ml, the mass percent of 10% steaming excess carbon residue ≤ 0.3%, mass percent≤0.01% of ash content, oxidation stability sediment≤2.5mg/100ml, condensation point≤0 DEG C, cold filter plugging point ≤ 4 DEG C, color number≤3.5.
5. diesel fuel oil of table controls standard
As shown in table 6, kinematic viscosity≤500.0mm during 50 DEG C of the slurry oil2/ s, density at 20 DEG C≤ 1033.3kg/m3, mass percent≤1.0% of sulfur content, mass percent≤0.3% of total sediment, the quality of carbon residue Percentage≤15.0%, percent by volume≤0.50% of moisture, mass percent≤0.3% of ash content, the quality of asphalitine Percentage≤6.00%, gross calorific value>41.00MJ/kg, content of vanadium≤150mg/kg, sodium content≤150mg/kg, aluminium and silicon always contain Amount≤2300mg/kg.
6. slurry oil oil product of table controls standard
Bunker fuel oil processing process provided by the present invention is specific as follows：
1. sedimentation：Each basic material of bunker fuel oil of the present invention need to carry out settlement treatment in head tank, during static state deposition Between be more than 24 hours.After infall process, technical indicator is allowed for access next stage mixture manufacturing technique after the assay was approved.
2. mixing:Before basic material mixing, need to further confirm that it mainly reconciles quality index, including density (15 DEG C), kinematic viscosity (50 DEG C), CCAI values, intermiscibility, each index meets the requirements hybrid technique of being allowed for access.Mechanical agitation mixes When, at 70~75 DEG C, blending tank bulk temperature keeps uniform for temperature control, and temperature difference control is at ± 5 DEG C in tank；Stirring speed 450r/min continues mixing time 10 hours.After mixed process, it need to test to blended stock the key technical indexes, Enter next road manufacturing procedure after qualification.
3. it centrifuges：The centrifugation force difference generated using fuel oil density and moisture, the density contrast of solid impurity particle is real Existing fuel oil removing moisture and impurity.
4. homogeneous：Homogenizing process is completed in high-shear homogenizer, homogenizer rotating speed 6000r/min, 70~75 DEG C of temperature, Matter frequency is more than 10000 times/min.Cut, dispersion, impacted by strength generated between high-speed rotating rotor and stator, The processes such as sinuous flow make material be cut in homogeneous seam, the particle of 200nm~2 μm are broken into rapidly, by the colloid remained, pitch The backbones such as matter are cut off, and the large particulate matter in blended stock is further crushed.Simultaneously as at this time fuel oil have compared with High flow velocity and certain pressure so that sharp impacts are generated between the molecule inside blended stock in different molecular chain and are forced It is combined together, material micronized emulsification, is mixed, mixed well, disperseing etc. and is completed in a short time, and fully realizes liquid-liquid homogeneous Mixing can obtain the fine and smooth and good high-quality mixed product of ductility.
5. filtering：Tenor and granule foreign are effectively removed using the completion of three-stage filtration process, every grade of opening of sieve Diameter is different.92~96 DEG C, 0.4~0.45MPa of pressure, 800~850L/min of flow of level-one initial filter operating temperature, inlet amount 51~ 61L/(min·m2Filter area), the impurity such as removal colloid, asphalitine and more than 80 μm aluminium, silicon, alum；Desulfurization.Secondary filtration work Make 92~95 DEG C, 0.4~0.45MPa of pressure, 800~850L/min of flow of temperature, 51~61L/ of inlet amount (minm2Filtering Area), removal is more than the impurity such as 40 μm of aluminium, silicon, alum；Desulfurization.95 DEG C, 0.4~0.45MPa of pressure of three-stage filtration operating temperature, 650~700L/min of flow, 40~45L/ of inlet amount (minm2Filter area), it is big mainly to remove colloid, asphalitine and diameter In particulate contaminants such as 10 μm of aluminium, silicon, alum.
6. it examines and stores：After product oil is by inspection, clean finished pot storage is inputted.To prevent this present invention peculiar to vessel Fuel oil generation oxidation deterioration, not reproducible heating, the carry out normal temperature storage of storage period at seven days or more during storage is close It seals, be protected from light, completely cutting off with ventilating air.During conditions permit, it is filled with nitrogen and forms oil product sealer, prevent fuel oil and oxygen Contact.
Further to study, analyzing and evaluating bunker fuel oil oil quality of the present invention, to the oil sample of its raw material, product into Sampling and oil product test experience are gone.According to the requirement of the fuel oil of dredging work ship and fuel oil use experience, by proportion optimizing And the marine fuel oil product (embodiment 1 after deep purifying：By weight percentage, basic material is 68.0% Atmospheric vacuum Residual oil, 15% wax oil, 10% diesel oil and 7% slurry oil；Embodiment 2：By weight percentage, basic material is 45% Atmospheric vacuum residual oil, 30% wax oil, 13% diesel oil and 12% slurry oil) testing result, detection method and bunker fuel oil Concerned countries standard, international standard are shown in Table 7.
《Bunker fuel oil national standard (GB/T 17411-2015)》It is reference《International Standard– Specification of Marine Fuels[ISO 8217:2012(E)]》It formulates, except in RME 180cst fuel spindles To in sulfur content requirement, international standard recommendation is performed according to emission regulation demands, and national standard is according to emission regulation It gives except specific requirement, both requirements to other performance index are consistent.
7 bunker fuel oil product testing result of the present invention of table
By 7 testing result of table it is found that all technical is in RME 180cst fuel oil peculiar to vessel in national standard In the range of recommendation, it is seen that its combustibility, the composition of combustion product and fuel management index are up to state standards pair The requirement of 180cst fuel oil disclosure satisfy that normal work and the operating of marine diesel.In conjunction with national standard related request The technical indicator testing result of high standard 180cst fuel oil products peculiar to vessel is done with explanation.
(1) kinematic viscosity
The kinematic viscosity of embodiment 1 and 2 obtained marine fuel oil product of embodiment at 50 DEG C is respectively 169.1mm2/s, 172.2mm2/s meet requirement of the RME 180cst fuel oil to its kinematic viscosity index.
(2) density
With reference to international standard requirement, density during to 15 DEG C is detected.Embodiment 1 and embodiment 2 are obtained peculiar to vessel The density of fuel oil is 986.4kg/m3, and the maximal density of standard requirement is 991.0kg/m3,2 institute of embodiment 1 and embodiment Obtained marine fuel oil density is satisfied by requiring.
(3) carbon fragrance index CCAI is calculated
As the mixed high standard 180cst fuel oil products for adjusting fuel, its ignition properties is mainly measured using CCAI values at present Energy.Test result shows that the CCAI values of 2 obtained bunker fuel oil of embodiment 1 and embodiment are respectively 856.2,856.0, Meet the requirement that standard is not more than 860.
(4) sulfur content
National standard recommends the sulfur content of RME 180cst fuel oil to be not more than according to the requirement of MARPOL pact supplemental provisions VI 3.50% (m/m).The sulfur content value of 2 obtained bunker fuel oil of embodiment 1 and embodiment be respectively 0.764% (m/m) and 0.57% (m/m), meets requirements of the national standard.
(5) flash-point (remaining silent)
The close flash point of 2 obtained bunker fuel oil of embodiment 1 and embodiment is respectively 127.5 DEG C, 102.0 DEG C, far Far above minimum specified in standard, security performance is good, is not susceptible to fire.
(6) total acid number
The total acid number of 2 obtained bunker fuel oil of embodiment 1 and embodiment be respectively 0.55mgKOH/g, The maximum value 2.5mgKOH/g required in 0.29mgKOH/g, with standard is there are relatively large deviation, although that is, in processing, production and storage Acidic materials may be caused to increase during depositing, but not cause unnecessary corrosion.
(7) always accelerate deposit
When the mix and convert ratio for changing fuel oil base stock or when being heated to fuel oil, it is heavy that fuel oil may be precipitated Starch, i.e. its thermal stability can be affected.Total acceleration sediment is exactly the technical indicator for characterizing fuel oil thermal stability. The total of 2 obtained bunker fuel oil of embodiment 1 and embodiment accelerates the deposit to be respectively<0.01% (m/m), 0.02% (m/ M) value meets the requirement for being not more than 0.10% (m/m) in standard.
(8) carbon residue
The carbon residue of 2 obtained bunker fuel oil of embodiment 1 and embodiment is respectively 7.40% (m/m), 6.81% (m/ M), the requirement of (m/m) 15.00% in standard is below, illustrates colloid and the content of unstable compound control in fuel oil It is relatively good.
(9) moisture
It is only capable of detecting moisture trace in 1 obtained bunker fuel oil of embodiment, far below the 0.50% of standard limitation (V/V)；Moisture in 2 obtained bunker fuel oil of embodiment reaches standard max value 0.50% (V/V).Fuel oil exists It also needs to remove moisture by cleaning system using preceding into machine, even if moisture is relatively high in product, passes through purge segment Heating, precipitation, filtering, centrifugation can effectively remove moisture, ensure that the moisture into machine fuel oil is met the requirements.It is so real The moisture volume content for applying 2 obtained bunker fuel oil of example 1 and embodiment is in standard claimed range, it is believed that the water of product Divide index up to standard.
(10) ash content
The ash content mass percentage of 2 obtained bunker fuel oil of embodiment 1 and embodiment is respectively 0.024%, 0.050%, meet the requirement no more than 0.070% in standard, can effectively reduce the abrasion caused by diesel engine parts.
(11) asphalitine
The restriction requirement of carbon residue, total deposit is proposed in the relevant criterion of RME 180cst fuel oil, passes through the two Index can determine that the heavy ingredients such as pitch, the colloid in fuel oil, thus not make requirement to asphalitine, but traditionally use This index of asphalitine is evaluated.According to middle combustion for system requirements, asphalitine mass percentage should be controlled 6% with Under.By testing result it is found that the asphalitine mass percentage difference of 2 obtained bunker fuel oil of embodiment 1 and embodiment It is 2.90%, 1.39%, numerical value is smaller, meets the requirements.
(12) pour point
The pour point of 2 obtained bunker fuel oil of embodiment 1 and embodiment is 9 DEG C, in maximum value as defined in standard In the range of 30 DEG C, illustrate its low temperature flow and the standard requirement of pumping sexual satisfaction, can normally convey.
(13) vanadium, sodium content
Content of vanadium 4mg/kg in embodiment 1, sodium content 4mg/kg, content of vanadium 3mg/kg, the sodium content 7mg/ of embodiment 2 Kg much smaller than limiting value 150mg/kg, 50mg/kg of standard requirement, is satisfied by standard requirement.
(14) aluminium+silicone content
According to the conventional technical process for adjusting oil, aluminium and silicon are that urging in intermediate product slurry oil is mixed into catalytic cracking process Agent powder, they are in hard fine particle, if the more abrasion that will necessarily aggravate diesel engine parts of its content, so should Special attention is given in oil quality detection.
Testing result is shown, after being handled by advanced purification process, embodiment 1 and the obtained combustion peculiar to vessel of embodiment 2 Aluminium+silicone content of material oil is reduced to 6mg/kg, 8mg/kg respectively, greatly reduces abrasion probability of the fuel oil to parts.This The validity and reliability up to standard while also further demonstrating advanced purification process of index.
(15) calorific value
《Bunker fuel oil national standard》Annex E explanations：Other than other performance specification needs, in the production of fuel not Control calorific value；The gross calorific value and net heating value of residual fuel oil can use following two equation calculations：
QRgv=(52.190-8.802 ρ15 210-6)×[1-0.01(wW+wa+ws)]+0.0942ws (1)
QRnp=(46.704-8.802 ρ15 210-6+3.167ρ1510-3)×[1-0.01(wW+wa+ws)]+0.0942ws- 0.02449wW (2)
In formula：QRgvFor gross calorific value, unit MJ/kg；QRnpFor net heating value, unit MJ/kg；ρ15Density when being 15 DEG C, unit kg/m3；WwFor moisture, represented with mass fraction；WaFor ash content, represented with mass fraction；WsFor sulfur content, with mass fraction table Show.
The corresponding detection data of embodiment 1 in table 7 is substituted into formula (1) and (2), gross calorific value is calculated and net heating value is respectively 43.60MJ/kg, 41.24MJ/kg, the difference of the two is influence of the moisture to calorific value, numerically about 2.36MJ/kg.
The testing result of embodiment 2 is shown in table 7, gross calorific value, the net heating value of embodiment 2 be respectively 42.88MJ/kg, 40.46MJ/kg, the two difference are 2.42MJ/kg.
Compare the calculated value and measured value of calorific value, although result of calculation is more bigger than measurement result, in two groups of result values Relatively, and moisture is of substantially equal on the calculating difference that calorific value influences and measurement difference, and explanation is computational methods and measurement side There are certain deviation, two groups of results to be respectively provided with certain accuracy for method.In view of calorific value calculation value is calculated according to measured data It arrives, and rule of thumb, the net heating value and gross calorific value of 180cst ready-mixed oils are recognized as long as respectively greater than 38MJ/kg, 40MJ/kg It is met the requirements for its thermal discharge, thus judges that the calorific value of high standard 180cst is met the requirements.
(16) cleannes
The cleannes grade of 2 obtained bunker fuel oil of embodiment 1 and embodiment is 1 grade, illustrates its spatter property ratio It is higher.
(17) calcium, zinc, phosphorus content
It requires fuel oil that should be free of used lubricating oil in standard, meets calcium>30mg/kg and zinc>15mg/kg or calcium> 30mg/kg and phosphorus>During 15mg/kg, it is believed that fuel oil contains used lubricating oil.The calcium of high standard 180cst products 1, zinc, Phosphorus content is respectively 2mg/kg, 2mg/kg, 0mg/kg, and calcium, zinc, the phosphorus content of product 2 are respectively 4mg/kg, 1mg/kg, 3mg/ Kg illustrates to be free of used lubricating oil in high standard 180cst.
The above analysis, all technical of bunker fuel oil provided by the present invention are satisfied by GB/T17411- 2015 and ISO 8217:2012 related request.
Fully to analyze influence of the bunker fuel oil of the present invention to machinery equipment, carried out on an engineering ship using examination It tests.In host, (host isFour stroke turbo-charged diesel of middling speed, model 12V38B, nominal cylinder diameter 380mm, mark Determine power 8700kW, rated engine speed 600r/min) run 6000 hours using bunker fuel oil of the present invention after, hang cylinder and examine It repaiies.To fuel oil is used to be affected and can directly reflect the cylinder sleeve of diesel engine operating condition, piston component, valve train, The related datas such as injection pump carry out research and analysis.
1. cylinder jacket
Host is carried out hanging cylinder and is opened and inspect, measures the abrasion condition of its inner diameter of cylinder sleeve.To investigate cylinder jacket comprehensively in reality Overall wear situation during use chooses 5 different locations, at 2 around respectively from top to bottom in the axial direction Vertical direction measures.Specific cylinder sleeve internal diameter measurement data is listed in Table 8 below, and wherein A, B represents two row cylinders respectively, I, II, III, IV, V represent 5 axially measured positions, 2 measurement directions around X, Y are represented respectively.
Usually the error in geometrical form after inner diameter of cylinder sleeve abrasion is represented with circularity and cylindricity.So-called deviation from circular from is Refer to two half for being mutually perpendicular to diameter difference that cross section is specified on tested part, i.e.,
In formula：T ' is the deviation from circular from of specified cross section, mm；Dx、DyOn respectively specified cross section two it is mutually perpendicular Diameter, mm.
Maximum and minimum diameter is poor in several measurement diameters on longitudinal section one is specified on cylindricity error tested part Half represents, i.e.,
In formula：U ' is the cylindricity error of specified longitudinal section, mm；Dmax、DminMaximum on respectively specified longitudinal section and Minimum diameter, mm.
After data in table 8 are handled by formula (3), (4), the deviation from circular from and circle of cylinder jacket internal circular surfaces are obtained Column degree error is listed in table 9,10.
8. cylinder liner diameter measurement result (mm) of table
9. cylinder jacket internal circular surfaces deviation from circular from (mm) of table
10. cylinder jacket internal circular surfaces cylindricity error (mm) of table
Host cylinder set nominal diameter is 380.00mm, the cylinder sleeve diameter wear limit rating difference of axial 5 measurements position For DI=380.90mm, DII=380.60mm, DIII, DIV, DV=380.30mm, cylinder sleeve deviation from circular from permissible value are 0.20mm.From Although institute's column data can be seen that each cylinder sleeve of host and be worn in use in table 9, table 10, the degree of wear is relatively light, far Less than defined cylinder sleeve diameter wear limit rating, and the deviation from circular from after barrel wear is also in allowed band.Diesel engine Cylindricity error permitting deformation is not provided in specification, but is required according to shipping industry professional standard CB/T3503-92, cylinder diameter exists Cylinder sleeve between 300mm~400mm, cylindricity limiting value are 0.23mm, and cylindricity error calculated value listed by table 10 is much smaller than pole Limit value.In summary it analyzes, cylinder jacket working condition is normal.
2. piston ring and annular groove
The oil quality of fuel oil directly affects combustion efficiency, also determines the big of the active force that acts on piston component It is small, piston ring is caused to generate brinelling with annular groove.Thus the height value of piston ring groove is measured in top overhaul, To judge the abrasion condition of piston ring and annular groove.The piston crown of host shares three piston rings, and when measurement is taken with outside piston At 3mm it is radially inward measurement point on the basis of face, the direction of front, rear, left and right 4 is circumferentially taken to measure ring respectively in per pass annular groove Height value after slot abrasion, specific data are shown in Table 11.
The normal level of each road piston ring groove of the host piston crown is respectively：First of 10.20~10.23mm of annular groove, Second 10.15~10.18mm of annular groove, third road 10.06~10.09mm of annular groove；The limit of wear difference of each road piston ring groove For：First of annular groove 10.50mm, second annular groove 10.50mm, third road annular groove 10.20mm.
11. piston ring groove height measurement result (mm) of table
From the data of table 11 as it can be seen that the height value of three piston ring grooves is substantially at normal range (NR), only indivedual annular grooves are slightly super Go out normal level range, but far apart with the limit of wear, illustrate that piston ring is normal with groove wear.
In addition, the host piston is fabricated structure, normal level between piston head and piston skirt for 0.14~ 0.18mm, the limit of wear>0.5mm.Through measuring, gap is satisfied by normal requirement in circumferential 4 positions.
3. valve train
During fuel oil quality comparison, the ingredient of fuel gas and exhaust gas all changes therewith, can not only aggravate air valve valve rod with Abrasion between conduit, and gas pours in down a chimney the ablation that air valve valve disc can be directly contributed into air entering flue.So in top overhaul Stem diameter and valve guide internal diameter to inlet and outlet valve are measured and have been compared respectively, while to air valve thickness and ablation Area is detected.The specific measurement data of valve train is：Air valve stem diameter d1(choosing 3 measurement points in an axial direction), Valve disc thickness y, ablated area z and valve guide internal diameter D (choosing 2 measurement points in an axial direction).Since air valve quantity is more, only select The inlet and outlet valve of A row 1# cylinders is taken accordingly to be measured, specific measurement result is listed in table 12, wherein A, B fingering air valve, and C, D refer to row Air valve.
Host inlet and outlet valve stem diameter d1Wear limit rating for 27.9mm, the wear limit rating of catheter diameter D is The wear limit rating of 28.3mm, valve disc thickness y are required between 11.00mm~12.00mm, the abrasion of valve disc ablated area z Limiting value is 1.0mm, and the maximal clearance permissible value between air valve valve rod and conduit is 0.350mm.Measurement data from table 12 As can be seen that each air valve valve rod and conduit diameter, valve disc thickness and ablated area meet the requirements, and with limiting value still have compared with Big nargin illustrates that there is no cause to significantly affect to diesel valve mechanism using self-produced high standard 180cst fuel oil.
12. valve train measurement result (mm) of table
4. high-pressure oil pump
The power source that high-pressure oil pump is conveyed as fuel oil, is directly in contact with fuel oil, is affected by it also maximum.The master Machine opens and inspect high-pressure oil pump after being run 6000 hours using bunker fuel oil of the present invention, and specific data are shown in Table 13, table 14.
13. high-pressure oil pump of table opens and inspect data
14. injection pump injection timing measurement data of table
Sliding is tested and pressure testing shows plunger guide bush couple, delivery valve matching parts good seal, rack and tooth set mill Damage is normal, and zero-bit is accurate.It is in table 14 statistics indicate that, the injection timing of each cylinder high-pressure oil pump uniformly, it is consistent, meet specification rule It is fixed.
The above-mentioned marine main engine items of comprehensive analysis hang cylinder detection data it is found that bunker fuel oil of the present invention in use not The abnormal damage of host any part is caused, the data of host associated components are in allowed band, illustrate host work shape State is normal, safe to use.
Although present disclosure is discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned Description is not considered as limitation of the present invention.After those skilled in the art have read the above, for the present invention's A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.

Claims (7)

1. a kind of bunker fuel oil, which is characterized in that by weight percentage, the fuel oil includes：45-68.0%'s often subtracts Press residual oil, the wax oil of 15-30%, the diesel oil of 10-13% and the slurry oil of 7-12%.
2. bunker fuel oil as described in claim 1, which is characterized in that by weight percentage, the fuel oil includes： 68.0% Atmospheric vacuum residual oil, 15% wax oil, 10% diesel oil and 7% slurry oil.
3. bunker fuel oil as described in claim 1, which is characterized in that by weight percentage, the fuel oil includes： 45% Atmospheric vacuum residual oil, 30% wax oil, 13% diesel oil and 12% slurry oil.
4. bunker fuel oil as described in claim 1, which is characterized in that density during 20 DEG C of the Atmospheric vacuum residual oil≤ 1013.4kg/m3, mass percent≤1.00% of sulfur content, mass percent≤0.10% of total sediment, the matter of carbon residue Amount percentage≤17.0%, mass percent≤0.10% of ash content, mass percent≤5.0% of asphalitine, content of vanadium≤ 150mg/kg, sodium content≤100mg/kg, aluminium and silicon total content≤200mg/kg.
5. bunker fuel oil as described in claim 1, which is characterized in that density≤950.0kg/m during 20 DEG C of the wax oil3, Initial boiling point >=214 DEG C, 10% recovered (distilled) temperature≤229 DEG C, 90% recovered (distilled) temperature≤360 DEG C, 95% recovered (distilled) temperature≤395 DEG C, sulphur Mass percent≤1.0% of content, percent by volume≤0.5% of moisture, condensation point≤30 DEG C.
6. bunker fuel oil as described in claim 1, which is characterized in that kinematic viscosity during 50 DEG C of the diesel oil is 3.0- 8.0mm2/ s, Cetane number >=45,50% recovered (distilled) temperature≤300 DEG C, 90% recovered (distilled) temperature≤355 DEG C, 95% recovered (distilled) temperature≤ 365 DEG C, mass percent≤0.10% of sulfur content, flash-point >=55 DEG C, copper corrosion≤1 grade, acidity≤7mgKOH/100ml, Mass percent≤0.3% of 10% steaming excess carbon residue, mass percent≤0.01% of ash content, oxidation stability sediment≤ 2.5mg/100ml, condensation point≤0 DEG C, cold filter plugging point≤4 DEG C, color number≤3.5.
7. bunker fuel oil as described in claim 1, which is characterized in that kinematic viscosity during 50 DEG C of the slurry oil≤ 500.0mm2/ s, density≤1033.3kg/m at 20 DEG C3, mass percent≤1.0% of sulfur content, the quality of total sediment Percentage≤0.3%, mass percent≤15.0% of carbon residue, percent by volume≤0.50% of moisture, the quality hundred of ash content Divide ratio≤0.3%, mass percent≤6.00% of asphalitine, gross calorific value>41.00MJ/kg, content of vanadium≤150mg/kg, sodium Content≤150mg/kg, aluminium and silicon total content≤2300mg/kg.
CN201711475646.5A 2017-12-29 2017-12-29 A kind of bunker fuel oil Pending CN108192674A (en)

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US10443006B1 (en) 2018-11-27 2019-10-15 Exxonmobil Research And Engineering Company Low sulfur marine fuel compositions
US10597594B1 (en) 2018-11-27 2020-03-24 Exxonmobil Research And Engineering Company Low sulfur marine fuel compositions
CN110982561A (en) * 2019-12-19 2020-04-10 山东京博石油化工有限公司 Residual type ship fuel oil and production method thereof
WO2020112096A1 (en) * 2018-11-27 2020-06-04 Exxonmobil Research And Engineering Company Low sulfur marine fuel compositions
US10781391B2 (en) 2018-11-27 2020-09-22 Exxonmobil Research And Engineering Company Low sulfur marine fuel compositions
CN112694921A (en) * 2020-12-07 2021-04-23 山东京博石油化工有限公司 Distillate type marine fuel oil and preparation method thereof
CN113322107A (en) * 2020-08-26 2021-08-31 中国石油天然气股份有限公司 Marine residual fuel oil and preparation method thereof
CN114644938A (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
CN114644939A (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 by hydrogenation

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CN102786981B (en) * 2011-05-17 2016-03-09 中国石油化工股份有限公司 Catalytically cracked oil utilizes novel process
CN106414675A (en) * 2014-05-22 2017-02-15 国际壳牌研究有限公司 Fuel compositions

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CN102766489A (en) * 2011-05-04 2012-11-07 中国石油化工股份有限公司 Marine fuel oil and preparation method thereof
CN102786981B (en) * 2011-05-17 2016-03-09 中国石油化工股份有限公司 Catalytically cracked oil utilizes novel process
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Publication number Priority date Publication date Assignee Title
US10781391B2 (en) 2018-11-27 2020-09-22 Exxonmobil Research And Engineering Company Low sulfur marine fuel compositions
US10597594B1 (en) 2018-11-27 2020-03-24 Exxonmobil Research And Engineering Company Low sulfur marine fuel compositions
WO2020112096A1 (en) * 2018-11-27 2020-06-04 Exxonmobil Research And Engineering Company Low sulfur marine fuel compositions
WO2020112094A1 (en) * 2018-11-27 2020-06-04 Exxonmobil Research And Engineering Company Low sulfur marine fuel compositions
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CN110982561A (en) * 2019-12-19 2020-04-10 山东京博石油化工有限公司 Residual type ship fuel oil and production method thereof
CN113322107A (en) * 2020-08-26 2021-08-31 中国石油天然气股份有限公司 Marine residual fuel oil and preparation method thereof
CN112694921A (en) * 2020-12-07 2021-04-23 山东京博石油化工有限公司 Distillate type marine fuel oil and preparation method thereof
CN114644938A (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
CN114644939A (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 by hydrogenation
CN114644939B (en) * 2020-12-21 2023-03-07 中国石油化工股份有限公司 Method for producing bunker fuel oil by hydrogenation
CN114644938B (en) * 2020-12-21 2023-05-05 中国石油化工股份有限公司 Production method of marine fuel oil

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Application publication date: 20180622