CN105694999A - High-quality low-sulfur-content biodiesel production equipment and technology - Google Patents
High-quality low-sulfur-content biodiesel production equipment and technology Download PDFInfo
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- CN105694999A CN105694999A CN201610267004.5A CN201610267004A CN105694999A CN 105694999 A CN105694999 A CN 105694999A CN 201610267004 A CN201610267004 A CN 201610267004A CN 105694999 A CN105694999 A CN 105694999A
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- 239000003225 biodiesel Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000005516 engineering process Methods 0.000 title claims description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000004821 distillation Methods 0.000 claims abstract description 24
- 239000002994 raw material Substances 0.000 claims abstract description 21
- 238000005273 aeration Methods 0.000 claims abstract description 14
- 238000009835 boiling Methods 0.000 claims abstract description 11
- 230000032050 esterification Effects 0.000 claims abstract description 7
- 238000005886 esterification reaction Methods 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims abstract description 5
- 235000019198 oils Nutrition 0.000 claims description 69
- 238000000605 extraction Methods 0.000 claims description 44
- 229910052717 sulfur Inorganic materials 0.000 claims description 37
- 239000011593 sulfur Substances 0.000 claims description 37
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 28
- 239000002283 diesel fuel Substances 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 24
- 230000003009 desulfurizing effect Effects 0.000 claims description 21
- 239000010426 asphalt Substances 0.000 claims description 19
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 17
- 239000002699 waste material Substances 0.000 claims description 17
- 238000006477 desulfuration reaction Methods 0.000 claims description 16
- 230000023556 desulfurization Effects 0.000 claims description 16
- 235000019476 oil-water mixture Nutrition 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 11
- 238000002485 combustion reaction Methods 0.000 claims description 10
- 239000005864 Sulphur Substances 0.000 claims description 9
- 239000010865 sewage Substances 0.000 claims description 9
- 238000002604 ultrasonography Methods 0.000 claims description 3
- 239000012266 salt solution Substances 0.000 abstract 1
- 238000005292 vacuum distillation Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 55
- 230000008030 elimination Effects 0.000 description 4
- 238000003379 elimination reaction Methods 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 235000014593 oils and fats Nutrition 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- 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
- C10L1/02—Liquid carbonaceous fuels essentially based on components consisting of carbon, hydrogen, and oxygen only
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
- Y02P30/20—Technologies relating to oil refining and petrochemical industry using bio-feedstock
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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)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
Disclosed is high-quality low-sulfur-content biodiesel production equipment.An aeration reaction pool is connected with a salt solution supply source and a raw oil supply source through pipelines respectively.The aeration reaction pool is connected with a butterfly type centrifugal machine through a pipeline.The butterfly type centrifugal machine is connected with an ultrasonic box through a pipeline.The ultrasonic box is connected with an oil-water separation tank through a pipeline.The ultrasonic box is further connected with a clean water source through a pipeline.The oil-water separation tank is connected with an atmospheric distillation tower through a pipeline.The atmospheric distillation tower is connected with a raw material storage tank through a pipeline.The raw material storage tank is connected with an esterification reactor through a pipeline and connected with the upper portion of the atmospheric distillation tower through a pipeline to form a low-boiling point material outlet.The esterification reactor is connected with a vacuum distillation tower through a pipeline.
Description
Technical field
The present invention relates to biomass energy field, specifically the production technology and equipments of a kind of low-sulfur decomposing biological diesel oil。
Background technology
Biodiesel is the green energy resource that a kind of sulfur-bearing is low, the product of conventional production process gained can arrive state IV standard, and recently as the increase year by year of diesel oil consumption, the upgrading of derv fuel, produce high-quality, the diesel oil of the high trade mark has become inevitable, and petrifaction diesel manufacturing enterprise has carried mark mostly to state V, and the existing production technology of biodiesel can not meet state V standard-required, and existing desulfurization technology is both for developing in petrifaction diesel, it is impossible to for biodiesel desulfurization。
Summary of the invention
The present invention is directed to the technological deficiency mentioned in background technology, one is to provide the production equipment of a kind of low-sulfur decomposing biological diesel oil, and two are to provide and a kind of apply this equipment and produce the technique of low-sulfur decomposing biological diesel oil, and make the sulfur content of biodiesel oil product lower than state V standard。
The technical solution used in the present invention is:
The production equipment of a kind of high-quality low-sulfur decomposing biological diesel oil, including aerated reaction pond, butterfly centrifugal machine, ultrasonic tank, gun barrel, atmospheric distillation tower, raw material temporary storage tank, esterifier and vacuum tower；Wherein:
Aerated reaction pond is connected with saline solution source of supply and raw oil source of supply respectively by pipeline, and this place's pipeline is respectively provided with the saline solution feed pump matched and raw oil feed pump；
Aerated reaction pond is connected with butterfly centrifugal machine by pipeline, equipped with the first oil-water mixture delivery pump on this place's pipeline；
Butterfly centrifugal machine is connected with ultrasonic tank by pipeline；
Ultrasonic tank is connected with gun barrel by pipeline, equipped with the second oil-water mixture delivery pump on this place's pipeline；Described ultrasonic tank is connected with clear water source also by pipeline, equipped with clear water feed pump on this place's pipeline；
Gun barrel is connected with atmospheric distillation tower by pipeline, equipped with raw oil pump on this place's pipeline；
Atmospheric distillation tower is connected with raw material temporary storage tank by pipeline；
Raw material temporary storage tank is connected with esterifier by pipeline, equipped with feedstock transportation pump on this place's pipeline；The top of raw material temporary storage tank and atmospheric distillation tower is connected by pipeline, forms low-boiling point material outlet；
Esterifier is connected with vacuum tower by pipeline, equipped with coarse biodiesel delivery pump on this place's pipeline。
Aerated reaction pond is gallery type structure, is provided with aeration board bottom it；In reactor, profit mass ratio is 2:1-1:2, and saline solution concentration is 0.1%-1%；The gas-water ratio of described aeration board is 2:1-8:1。
In ultrasonic tank, hyperacoustic frequency setting is 5-15MHz。
The production technology of a kind of high-quality low-sulfur decomposing biological diesel oil, carries out according to following steps。
A, unlatching raw oil feed pump, saline solution feed pump are to aerated reaction pond feed liquor, and raw oil stops 10min～40min, continuous feed, continuous extraction in aerated reaction pond；
B, opening the first oil-water mixture delivery pump, continuously to butterfly centrifugal machine charging, discharging of waste liquid is to sewage treatment plant, and first grade desulfurizing raw oil extraction is to next step desulfurization process；
C, first grade desulfurizing raw oil are fed to ultrasonic tank, open clear water feed pump, and open ultrasound wave, are delivered to gun barrel through the second oil-water mixture delivery pump, and standing separation obtains two-grade desulfurizing raw oil；
Two-grade desulfurizing raw oil is continuously pumped in atmospheric distillation tower by d, raw oil pump, control extraction temperature: the Produced Liquid less than 120 DEG C is through low-boiling point material outlet extraction to plant area's boiler combustion, Produced Liquid more than 120 DEG C is three grades of desulfurization material oil, extraction is kept in raw material temporary storage tank, and the high-viscosity material discharged at the bottom of atmospheric distillation tower is plant asphalt；
Three grades of desulfurization material oil pumps are entered to carry out esterification in esterifier by e, unlatching feedstock transportation pump, and after having reacted, discharging of waste liquid is to sewage treatment plant, and reaction gained coarse biodiesel is delivered to vacuum rectifying tower through coarse biodiesel delivery pump and carries out rectification under vacuum；
The higher light component of f, vacuum tower overhead extraction sulfur-bearing is through high sulphur content material outlet extraction to plant area's boiler combustion, and high-quality low-sulfur decomposing biological diesel oil exports extraction, plant asphalt extraction at the bottom of tower through high-quality biological diesel oil。
First grade desulfurizing raw oil and clear water enter in ultrasonic tank, and its profit mass ratio is 2:1-1:2, and first grade desulfurizing oil stops 10min～30min in ultrasonic tank。
Rectification under vacuum column overhead temperatures 90-100 DEG C。
The present invention has the following characteristics that
1, this method is suitable for multiple source raw oil or the raw oil of multiple source mixing, and the oils and fats sulfur content that process biodiesel raw material oil goes out in this way is low, and color number is little；
2, whole process synthesis utilizes raw oil, obtains high quality oils and two kinds of products of plant asphalt, and the light component of high sulfur-bearing is fully utilized as plant area's thermal source；
3, this method yield reaches more than 90%, is a kind of effective method ensureing to improve product standard under yield early stage；
4, this method adopts two desulfurization method, namely ensures the elimination of source sulfur, ensures again to be mixed in the course of processing elimination of sulfur；
5, the gross investment of the method equipment is little, is suitable for the upgrading of biodiesel corporation technique reforming。
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention。
In figure: raw oil feed pump 1, saline solution feed pump 2, aerated reaction pond 3, aeration board 4, first oil-water mixture delivery pump 5, butterfly centrifugal machine 6, waste liquid 7, clear water feed pump 8, ultrasonic tank 9, second oil-water mixture delivery pump 10, gun barrel 11, raw oil pump 12, plant asphalt 13, atmospheric distillation tower 14, raw material temporary storage tank 15, feedstock transportation pump 16, esterifier 17, discharging of waste liquid 18, coarse biodiesel delivery pump 19, vacuum rectifying tower 20, high-quality biological diesel oil outlet 21, high sulphur content material outlet 22, plant asphalt 23, low-boiling point material outlet 24。
Detailed description of the invention
Below by specific embodiment, the present invention is described in detail。
Referring to accompanying drawing 1, the production equipment of this biodiesel disclosed in this invention, principally for the biodiesel producing the low sulphur content of a kind of high-quality。Mainly include raw oil feed pump 1, saline solution feed pump 2, aerated reaction pond 3, aeration board 4, first oil-water mixture delivery pump 5, butterfly centrifugal machine 6, waste liquid 7, clear water feed pump 8, ultrasonic tank 9, second oil-water mixture delivery pump 10, gun barrel 11, raw oil pump 12, first plant asphalt outlet 13, atmospheric distillation tower 14, raw material temporary storage tank 15, feedstock transportation pump 16, esterifier 17, discard solution discharge port 18, coarse biodiesel delivery pump 19, vacuum rectifying tower 20, high-quality biological diesel oil outlet 21, high sulphur content material outlet 22, second plant asphalt outlet 23, low-boiling point material outlet 24。
Aerated reaction pond is connected with saline solution source of supply and raw oil source of supply respectively by pipeline, and this place's pipeline is respectively provided with the saline solution feed pump matched and raw oil feed pump。Aerated reaction pond is gallery type structure, is provided with aeration board bottom it；In reactor, profit mass ratio is 2:1-1:2, and saline solution concentration is 0.1%-1%；The gas-water ratio of described aeration board is 2:1-8:1。
Aerated reaction pond is connected with butterfly centrifugal machine by pipeline, equipped with the first oil-water mixture delivery pump on this place's pipeline。
Butterfly centrifugal machine is connected with ultrasonic tank by pipeline；Waste liquid in butterfly centrifugal machine is discharged by the sewage draining exit bottom it。
Ultrasonic tank is connected with gun barrel by pipeline, equipped with the second oil-water mixture delivery pump on this place's pipeline；Described ultrasonic tank is connected with clear water source also by pipeline, equipped with clear water feed pump on this place's pipeline；In ultrasonic tank, hyperacoustic frequency setting is 5-15MHz。
Gun barrel is connected with atmospheric distillation tower by pipeline, equipped with raw oil pump on this place's pipeline；Atmospheric distillation tower is connected with raw material temporary storage tank by pipeline, and air-distillation tower bottom is the first plant asphalt outlet。
Raw material temporary storage tank is connected with esterifier by pipeline, equipped with feedstock transportation pump on this place's pipeline；The top of raw material temporary storage tank and atmospheric distillation tower is connected by pipeline, forms low-boiling point material outlet。
Esterifier is connected with vacuum tower by pipeline, equipped with coarse biodiesel delivery pump on this place's pipeline。The bottom of esterifier is provided with discard solution discharge port。Vacuum tower middle and upper part is the outlet of high-quality biological diesel oil, and top is high sulphur content material outlet, and bottom is the second plant asphalt outlet。
Application the said equipment prepares the technique of high-quality low-sulfur decomposing biological diesel oil, carries out according to following steps。
A, open raw oil feed pump, saline solution feed pump to aerated reaction pond feed liquor, aeration reactor is gallery type, in reaction tank, oil-water ratio is 2:1～1:2, saline solution concentration 0.1%～1%, open aeration board, gas-water ratio is 2:1～8:1, and raw oil stops 10min～40min continuous feed, continuous extraction in aerated reaction pond。
B, opening oil-water mixture delivery pump, continuously to butterfly centrifugal machine charging, discharging of waste liquid is to sewage treatment plant, and first grade desulfurizing raw oil extraction is to next step desulfurization process。
C, first grade desulfurizing raw oil are fed to ultrasonic tank, open clear water feed pump, and open ultrasound wave, oil-water ratio is 2:1～1:2, frequency setting is 5～15MHz, to produce cavitation sound for reference to (removing surfactant), first grade desulfurizing oil stops 10min～30min in ultrasonic tank, is delivered to gun barrel standing separation through oil-water mixture delivery pump and obtains two-grade desulfurizing raw oil。
Two-grade desulfurizing raw oil is continuously pumped in atmospheric distillation tower by d, raw oil pump, control extraction temperature, Produced Liquid less than 120 DEG C is through low-boiling point material outlet extraction to plant area's boiler combustion, Produced Liquid more than 120 DEG C is that three grades of desulfurization material oil extraction are kept in raw material temporary storage tank, the first plant asphalt full-bodied plant asphalt of outlet extraction at the bottom of tower。
Three grades of desulfurization material oil pumps are entered to carry out esterification in esterifier by e, unlatching feedstock transportation pump, and after having reacted, discharging of waste liquid is to sewage treatment plant, and reaction gained coarse biodiesel is delivered to vacuum rectifying tower through coarse biodiesel delivery pump and carries out rectification under vacuum。
F, control rectification under vacuum column overhead temperatures 90-100 DEG C, the higher light component of overhead extraction sulfur-bearing is through high sulphur content material outlet extraction to plant area's boiler combustion, high-quality low-sulfur decomposing biological diesel oil exports extraction, the second plant asphalt outlet extraction plant asphalt at the bottom of tower through high-quality biological diesel oil。
Embodiment 1
Waste oil (sulfur content is 350mg/Kg) 10 tons, pump into aerated reaction pond 3, oil-water ratio is 1:1, saline solution concentration 0.5%, open aeration board 4, gas-water ratio is 5:1, waste oil stops 20min in aerated reaction pond 3, it is centrifuged after aerated reaction, eliminate a large amount of sulfur-containing impurities protein in waste oil, colloid etc., centrifuge discharging is directly entered ultrasonic tank 9, open clear water feed pump 8 simultaneously, oil-water ratio is 1:1, ultrasonic frequency is opened into 10MHz, the mixed liquid of profit is under the effect of ultrasonic cavitation, produce free radical and bury in oblivion bubble, waste oil stops 20min in ultrasonic tank 9, the surfactants such as sulfur-bearing articles for washing are made to be removed in waste water, stand point water and obtain two-grade desulfurizing raw oil, two-grade desulfurizing raw oil is continuously pumped in atmospheric distillation tower 14 by raw oil pump 12, control extraction temperature, Produced Liquid less than 120 DEG C exports 24 extraction to plant area's boiler combustion through low-boiling point material, the extraction of light component ensures the elimination of little molecule sulfurous organic compound, Produced Liquid more than 120 DEG C is that three grades of desulfurization material oil extraction are kept in raw material temporary storage tank 15, high-viscosity material at the bottom of tower is plant asphalt 13。Open feedstock transportation pump 16, enter esterifier 17 carries out esterification by three grades of desulfurization material oil pumps, after having reacted, discharging of waste liquid 18 to sewage treatment plant, reaction gained coarse biodiesel is delivered to vacuum rectifying tower 20 through coarse biodiesel delivery pump 19 and carries out rectification under vacuum, control vacuum rectifying tower 20 tower top temperature 97 DEG C, the higher light component of overhead extraction sulfur-bearing is through high sulphur content material outlet 22 extraction to plant area's boiler combustion, plant asphalt 23 extraction at the bottom of tower, high-quality low-sulfur decomposing biological diesel oil exports 21 extraction through high-quality biological diesel oil, product quality reaches state V standard, and sulfur content is lower than 10mg/Kg。
Embodiment 2
Swill oil (sulfur content is 300mg/Kg) 10 tons, pump into aerated reaction pond 3, oil-water ratio is 1:2, saline solution concentration 0.3%, open aeration board 4, gas-water ratio is 3:1, swill oil stops 40min in aerated reaction pond 3, it is centrifuged after aerated reaction, eliminate a large amount of sulfur-containing impurities protein in waste oil, colloid etc., centrifuge discharging is directly entered ultrasonic tank 9, open clear water feed pump 8 simultaneously, oil-water ratio is 2:1, ultrasonic frequency is opened into 6MHz, the mixed liquid of profit is under the effect of ultrasonic cavitation, produce free radical and bury in oblivion bubble, swill oil stops 10min in ultrasonic tank 9, the surfactants such as sulfur-bearing articles for washing are made to be removed in waste water, stand point water and obtain two-grade desulfurizing raw oil, two-grade desulfurizing raw oil is continuously pumped in atmospheric distillation tower 14 by raw oil pump 12, control extraction temperature, Produced Liquid less than 120 DEG C exports 24 extraction to plant area's boiler combustion through low-boiling point material, the extraction of light component ensures the elimination of little molecule sulfurous organic compound, Produced Liquid more than 120 DEG C is that three grades of desulfurization material oil extraction are kept in raw material temporary storage tank 15, high-viscosity material at the bottom of tower is plant asphalt 13。Open feedstock transportation pump 16, enter esterifier 17 carries out esterification by three grades of desulfurization material oil pumps, after having reacted, discharging of waste liquid 18 to sewage treatment plant, reaction gained coarse biodiesel is delivered to vacuum rectifying tower 20 through coarse biodiesel delivery pump 19 and carries out rectification under vacuum, control vacuum rectifying tower 20 tower top temperature 95 DEG C, the higher light component of overhead extraction sulfur-bearing is through high sulphur content material outlet 22 extraction to plant area's boiler combustion, plant asphalt 23 extraction at the bottom of tower, high-quality low-sulfur decomposing biological diesel oil exports 21 extraction through high-quality biological diesel oil, product quality reaches state V standard, and sulfur content is lower than 10mg/Kg。
Claims (6)
1. the production equipment of a high-quality low-sulfur decomposing biological diesel oil, it is characterised in that include aerated reaction pond, butterfly centrifugal machine, ultrasonic tank, gun barrel, atmospheric distillation tower, raw material temporary storage tank, esterifier and vacuum tower；Wherein:
Aerated reaction pond is connected with saline solution source of supply and raw oil source of supply respectively by pipeline, and this place's pipeline is respectively provided with the saline solution feed pump matched and raw oil feed pump；
Aerated reaction pond is connected with butterfly centrifugal machine by pipeline, equipped with the first oil-water mixture delivery pump on this place's pipeline；
Butterfly centrifugal machine is connected with ultrasonic tank by pipeline；
Ultrasonic tank is connected with gun barrel by pipeline, equipped with the second oil-water mixture delivery pump on this place's pipeline；Described ultrasonic tank is connected with clear water source also by pipeline, equipped with clear water feed pump on this place's pipeline；
Gun barrel is connected with atmospheric distillation tower by pipeline, equipped with raw oil pump on this place's pipeline；
Atmospheric distillation tower is connected with raw material temporary storage tank by pipeline；
Raw material temporary storage tank is connected with esterifier by pipeline, equipped with feedstock transportation pump on this place's pipeline；The top of raw material temporary storage tank and atmospheric distillation tower is connected by pipeline, forms low-boiling point material outlet；
Esterifier is connected with vacuum tower by pipeline, equipped with coarse biodiesel delivery pump on this place's pipeline。
2. the production equipment of high-quality low-sulfur decomposing biological diesel oil according to claim 1, it is characterised in that described aerated reaction pond is gallery type structure, is provided with aeration board bottom it；In reactor, profit mass ratio is 2:1-1:2, and saline solution concentration is 0.1%-1%；The gas-water ratio of described aeration board is 2:1-8:1。
3. the production equipment of high-quality low-sulfur decomposing biological diesel oil according to claim 1, it is characterised in that in described ultrasonic tank, hyperacoustic frequency setting is 5-15MHz。
4. the production technology of a high-quality low-sulfur decomposing biological diesel oil, it is characterised in that carry out according to following steps:
A, unlatching raw oil feed pump, saline solution feed pump are to aerated reaction pond feed liquor, and raw oil stops 10min～40min, continuous feed, continuous extraction in aerated reaction pond；
B, opening the first oil-water mixture delivery pump, continuously to butterfly centrifugal machine charging, discharging of waste liquid is to sewage treatment plant, and first grade desulfurizing raw oil extraction is to next step desulfurization process；
C, first grade desulfurizing raw oil are fed to ultrasonic tank, open clear water feed pump, and open ultrasound wave, are delivered to gun barrel through the second oil-water mixture delivery pump, and standing separation obtains two-grade desulfurizing raw oil；
Two-grade desulfurizing raw oil is continuously pumped in atmospheric distillation tower by d, raw oil pump, control extraction temperature: the Produced Liquid less than 120 DEG C is through low-boiling point material outlet extraction to plant area's boiler combustion, Produced Liquid more than 120 DEG C is three grades of desulfurization material oil, extraction is kept in raw material temporary storage tank, and the high-viscosity material discharged at the bottom of atmospheric distillation tower is plant asphalt；
Three grades of desulfurization material oil pumps are entered to carry out esterification in esterifier by e, unlatching feedstock transportation pump, and after having reacted, discharging of waste liquid is to sewage treatment plant, and reaction gained coarse biodiesel is delivered to vacuum rectifying tower through coarse biodiesel delivery pump and carries out rectification under vacuum；
The higher light component of f, vacuum tower overhead extraction sulfur-bearing is through high sulphur content material outlet extraction to plant area's boiler combustion, and high-quality low-sulfur decomposing biological diesel oil exports extraction, plant asphalt extraction at the bottom of tower through high-quality biological diesel oil。
5. the production technology of high-quality low-sulfur decomposing biological diesel oil according to claim 4, it is characterized in that, first grade desulfurizing raw oil and clear water enter in ultrasonic tank, and its profit mass ratio is 2:1-1:2, and first grade desulfurizing oil stops 10min～30min in ultrasonic tank。
6. the production technology of high-quality low-sulfur decomposing biological diesel oil according to claim 4, it is characterised in that rectification under vacuum column overhead temperatures 90-100 DEG C。
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106336919A (en) * | 2016-08-29 | 2017-01-18 | 浙江工业大学 | Novel desulfurization method of biodiesel |
| CN107254361A (en) * | 2017-08-10 | 2017-10-17 | 唐山金利海生物柴油股份有限公司 | Produce the device and method of super-low sulfur biodiesel |
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| CN106336919A (en) * | 2016-08-29 | 2017-01-18 | 浙江工业大学 | Novel desulfurization method of biodiesel |
| CN107254361A (en) * | 2017-08-10 | 2017-10-17 | 唐山金利海生物柴油股份有限公司 | Produce the device and method of super-low sulfur biodiesel |
| WO2019028571A1 (en) * | 2017-08-10 | 2019-02-14 | 唐山金利海生物柴油股份有限公司 | Device and method for producing ultra-low sulfur biodiesel |
| CN107254361B (en) * | 2017-08-10 | 2019-08-02 | 唐山金利海生物柴油股份有限公司 | Produce the device and method of super-low sulfur biodiesel |
| US10865430B2 (en) | 2017-08-10 | 2020-12-15 | Tangshan Jinlihai Biodiesel Corporation Limited | Device and method of producing ultra-low sulfur biodiesel |
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