CN104419526A - Device for producing biodiesel from waste catering oil - Google Patents
Device for producing biodiesel from waste catering oil Download PDFInfo
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- CN104419526A CN104419526A CN201310391251.2A CN201310391251A CN104419526A CN 104419526 A CN104419526 A CN 104419526A CN 201310391251 A CN201310391251 A CN 201310391251A CN 104419526 A CN104419526 A CN 104419526A
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- tank
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- methanol
- biofuel
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11C3/00—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom
- C11C3/04—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom by esterification of fats or fatty oils
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/001—Refining fats or fatty oils by a combination of two or more of the means hereafter
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/12—Refining fats or fatty oils by distillation
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11C3/00—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom
- C11C3/04—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom by esterification of fats or fatty oils
- C11C3/10—Ester interchange
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- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Microbiology (AREA)
- General Chemical & Material Sciences (AREA)
- Liquid Carbonaceous Fuels (AREA)
- Fats And Perfumes (AREA)
Abstract
The invention provides a device for producing biodiesel from waste catering oil. The device comprises a methanol storage tank, a methanol vaporizer, a waste catering oil storage tank, a catalyst storage tank, an esterification reactor, a distillation tower and a biodiesel tank, wherein the methanol storage tank is communicated with the inlet of the methanol vaporizer through a pipeline, the methanol vaporizer is connected with an inlet at the lower end of the esterification reactor through a gas-liquid separator, the waste catering oil storage tank and the catalyst storage tank are communicated with an inlet at the upper end of the esterification reactor, a gas outlet at the upper end of the esterification reactor is connected with the methanol storage tank through a heat exchanger, an outlet at the lower end of the esterification reactor is connected with the inlet of the distillation tower through a delivery pump, a depositing tank, a centrifuge, a water washing tank and a vacuum drier, and the outlet of the distillation tower is connected with a vacuum pump and the biodiesel tank through a condenser, an oil-water separator and a buffer tank. By using the device provided by the invention, the waste catering oil can be changed into the biodiesel continuously and rapidly, the reuse of resources can be realized, and profits can be brought to the nation and the people.
Description
Technical field
The present invention relates to a kind of device utilizing discarded food and drink oil production biofuel, belong to biomass energy source domain.
Background technology
Along with the increase of population in the world and improving constantly of living standards of the people, increasingly powerful to the demand of the energy.But traditional oil, natural gas source are day by day deficient, oil shortage has had influence on the energy resource safety strategy of country.On the other hand, along with the enhancing of environmental consciousness, people recognize air-polluting seriousness, particularly photo-chemical smog that oil causes as fuel, CO gradually
2the havoc such as Greenhouse effect that the produces eubiosis.So seek clean substitute energy will become the key of future world Economic development.Biofuel is nontoxic with it, biodegradable, become one of current most important clean fuel containing advantages such as SOx hardly in tail gas.In biofuel, topmost composition is fatty acid methyl ester (FAME).At present, with the high expensive of animal and plant grease for raw material manufacture biofuel, recycled by food and beverage waste oil and grease, manufacturing biofuel is a good scheme.According to incompletely statistics, China's catering trade produces waste oil every year and reaches more than 2,000,000 tons, containing material harmful in a large number in waste cooking oil, can not eat again.At present, in China, part food and beverage waste oil and grease is recovered industrial raw material such as being processed into lipid acid, and major part is recycled by lawless person and again comes into the market, the health of human body of serious harm human consumer, or food and drink owner is directly entered water drain, not only cause the wasting of resources, and serious environment pollution.Utilize waste cooking oil production biofuel, recycling for waste cooking oil opens up a new approach, be conducive to the disadvantageous effect preventing waste cooking oil from causing ecotope, can reduce the production cost of biofuel, the industrialization for biofuel provides effective foundation.
Biodiesel technology domestic is at present mature on the whole, the ground such as Hainan, Henan, Hebei, Sichuan successively establish biofuel factory and put into production, its facility investment requires high, use the easy contaminate environment of catalyzer such as strong acid and strong base, and the acid number of discarded food and drink oil is high, easy generation saponification reaction, to the consumption of catalyzer and consumption all larger.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, provide a kind of pollution little, the low device that directly discarded food and drink oil can be converted into biofuel of cost.
To achieve these goals, the invention provides a kind of device utilizing discarded food and drink oil production biofuel, this device comprises methanol tank, methanol gasifying device, gas-liquid separator, heat exchanger, biodiesel storage tank, catalyzer storage tank, reaction kettle of the esterification, transferpump, setting tank, whizzer, water washing tank, vacuum drier, distillation tower, condenser, water-and-oil separator, biofuel tank etc., wherein: described methanol tank is by methanol gasifying device import described in pipeline communication, and described methanol gasifying device connects described reaction kettle of the esterification lower end import by gas-liquid separator, described biodiesel storage tank, catalyzer storage tank is communicated with described reaction kettle of the esterification upper end opening for feed, air outlet, described reaction kettle of the esterification upper end connects methanol tank by heat exchanger, the outlet of described reaction kettle of the esterification lower end connects setting tank import by transferpump, and described setting tank outlet connects whizzer respectively, water washing tank import and reaction kettle of the esterification upper end opening for feed, described whizzer outlet connects the import of glycerine tank, and described water washing tank import connects hot-water cylinder, outlet connects vacuum drier, described vacuum drier outlet connects distillation tower import, described distillation tower outlet connects water-and-oil separator by condenser, and described water-and-oil separator upper end connects vacuum pump by surge tank, connects biofuel tank bottom water-and-oil separator.
Based on above-mentioned, the biodiesel adopted is for removing mechanical impurity, and the discarded food and drink of crossing through aquation, phosphoric acid degumming process is oily.
The catalyzer adopted is novel solid acid catalyst, and this catalyzer is SO4
2-/ TiO
2-ZrO
2, WO
3/ ZrO
2-Al2O
3, MoO
3/ ZrO
2-SiO
2, B
2o
3/ Al
2o
3-TiO
2in one or more, consumption is 0.8 ~ 5.5% of raw material.
Described methanol gasifying device outside is provided with well heater, and upper end outlet is connected with gas-liquid separator import, and lower end is provided with opening for feed and sewage draining exit, and its working temperature is 60 ~ 80 DEG C.
The outlet of described gas-liquid separator lower end connects methanol gasifying device, and top exit connects reaction kettle of the esterification bottom air inlet.
Described reaction kettle of the esterification band having heaters and agitator, upper end is provided with opening for feed and air outlet, and lower end is provided with inlet mouth and discharge port, and its working temperature is 60 ~ 120 DEG C.
Described whizzer is vertical centrifugal discharging filter screen guide flow type whizzer, effectively can adjust the residence time of material in whizzer and can realize continuous prodution.
Described water washing tank outside is provided with thermal insulation layer, and import connects hot-water cylinder and setting tank respectively, and its working temperature is 60 ~ 120 DEG C.
Described vacuum drier is tubular drier, and exit is provided with venting port, its profile: diameter is 1 meter, length is 2 meters, be highly 1.2 meters, and vacuum pressure is 0.08 ~ 0.1MPa.
Be provided with well heater bottom described distillation tower, working temperature is 120 ~ 350 DEG C, and distillation tower outlet connects biofuel storage tank by condenser, water-and-oil separator.
The present invention has outstanding substantive distinguishing features and significant progress relative to prior art, specifically, the arrangement achieves the cycling and reutilization of discarded food and drink oil, can prevent the disadvantageous effect that waste cooking oil causes ecotope.This device adopts novel solid acid catalyst, and significantly reduce working condition and the production cost of biofuel, the industrialization for biofuel provides effective foundation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In Fig. 1: methanol tank 1, methanol gasifying device 2, heat exchanger 3, gas-liquid separator 4, reaction kettle of the esterification 5, agitator 6, biodiesel storage tank 7, catalyzer storage tank 8, setting tank 9, water washing tank 10, distillation tower 11, hot-water cylinder 12, condenser 13, water-and-oil separator 14, surge tank 15, vacuum pump 16, biofuel tank 17, well heater 18, vacuum drier 19, thermal insulation layer 20, glycerine tank 21, whizzer 22, transferpump 23, well heater 24, well heater 25.
Embodiment
Below by embodiment, technical scheme of the present invention is described in further detail.
As shown in Figure 1, the invention provides a kind of device utilizing discarded food and drink oil production biofuel, this device comprises methanol tank 1, methanol gasifying device 2, gas-liquid separator 4, heat exchanger 3, biodiesel storage tank 7, catalyzer storage tank 8, reaction kettle of the esterification 5, transferpump 23, setting tank 9, whizzer 22, water washing tank 10, vacuum drier 19, distillation tower 11, condenser 13, water-and-oil separator 14, biofuel tank 17, glycerine tank 21, hot-water cylinder 12, surge tank 15, vacuum pump 16 etc., wherein: described methanol tank 1 is by methanol gasifying device 2 import described in pipeline communication, and described methanol gasifying device 2 connects described reaction kettle of the esterification 5 lower end import by gas-liquid separator 4, described biodiesel storage tank 7, catalyzer storage tank 8 is communicated with described reaction kettle of the esterification 5 upper end opening for feed, air outlet, described reaction kettle of the esterification 5 upper end connects methanol tank 1 by heat exchanger 3, the outlet of described reaction kettle of the esterification 5 lower end connects setting tank 9 import by transferpump 23, and described setting tank 9 exports and connects whizzer 22 respectively, water washing tank 10 import and reaction kettle of the esterification 5 upper end opening for feed, described whizzer 22 exports and connects the import of glycerine tank 21, and described water washing tank 10 import connects hot-water cylinder 12, outlet connects vacuum drier 19, described vacuum drier 19 exports and connects distillation tower 11 import, described distillation tower 11 exports and connects water-and-oil separator 14 by condenser 13, and described water-and-oil separator 14 upper end connects surge tank 15 and vacuum pump 16, and bottom connects biofuel tank 17.
Based on above-mentioned, the biodiesel adopted is for removing mechanical impurity, and the discarded food and drink of crossing through aquation, phosphoric acid degumming process is oily.Biodiesel storage tank 7 is added after being processed according to the method described above by the discarded food and drink oil collected.
The catalyzer adopted is novel solid acid catalyst, and this catalyzer is SO4
2-/ TiO
2-ZrO
2, WO
3/ ZrO
2-Al2O
3, MoO
3/ ZrO
2-SiO
2, B
2o
3/ Al
2o
3-TiO
2in one or more, consumption is 0.8 ~ 5.5% of raw material.One or more above-mentioned catalyzer are added catalyzer storage tank 8.
Described methanol gasifying device 2 outside is provided with well heater 25, and upper end outlet is connected with gas-liquid separator 4 import, and lower end is provided with opening for feed and sewage draining exit, and its working temperature is 60 ~ 80 DEG C.Methyl alcohol in methanol tank 1 is added methanol gasifying device 2, heater 25, make the temperature of methanol gasifying device 2 reach processing condition and maintain 60 ~ 80 DEG C, methanol conversion is methanol vapor.Methanol vapor enters gas-liquid separator 4 by methanol gasifying device 2 outlet.
The outlet of described gas-liquid separator 4 lower end connects methanol gasifying device 2, and top exit connects reaction kettle of the esterification 5 bottom air inlet.Methanol vapor enters reaction kettle of the esterification 5 lower end import by pipeline after gas-liquid separator 4 filtering separation, isolated liquid through lower end outlet return to methanol gasifying device 2.
Based on above-mentioned, described reaction kettle of the esterification 5 is with having heaters 24 and agitator 6, and upper end is provided with opening for feed and air outlet, and lower end is provided with inlet mouth and discharge port, and its working temperature is 60 ~ 120 DEG C.The raw material of biodiesel storage tank 7, catalyzer storage tank 8 is proportionally added reaction kettle of the esterification 5, open well heater 24 and agitator 6, pass into methanol vapor, make raw material, at 60 ~ 120 DEG C, esterification and transesterification reaction occur, the water produced enters methanol tank 1 by pipeline in vapour form and forms circulation together with unreacted methanol vapor after over-heat-exchanger 3, and the moisture simultaneously produced is discharged through its water port being back to methanol gasifying device 2 after gas-liquid separator 4.After the abundant reaction of 3 ~ 6 hours, opening transferpump 23, the product of production is being delivered to setting tank 9.The product of first set reaction is back to reaction kettle of the esterification 5 after precipitation and carries out secondary reaction.The glycerin by-products that reacted product separates after precipitation and catalyzer are delivered to whizzer 22 and are separated, and the biofuel separated is delivered to water washing tank 10 and washed.
Based on above-mentioned, described whizzer 22 is vertical centrifugal discharging filter screen guide flow type whizzer, effectively can adjust the residence time of material in whizzer 10 and can realize continuous prodution.The catalyzer that glycerin by-products and catalyzer produce after whizzer 22 is separated adds catalyzer storage tank 7 and recycles, and glycerine tank 21 delivered to by isolated glycerine.
Described water washing tank 10 outside is provided with thermal insulation layer 20, and import connects hot-water cylinder 12 and setting tank 9 respectively, and its working temperature is 60 ~ 120 DEG C.Carrying out washing to water washing tank 10 heating water to biofuel by hot-water cylinder 12 makes it keep 60 ~ 120 DEG C.Biofuel after washing delivers to vacuum drier 19.
Described vacuum drier 19 is tubular drier, and exit is provided with venting port, its profile: diameter is 1 meter, length is 2 meters, be highly 1.2 meters, and vacuum pressure is 0.08 ~ 0.1MPa.Biofuel enters distillation tower 18 after tubular drier 19 drying, and the dry water vapour produced is discharged through the venting port of vacuum drier 19.
Described distillation tower 11 outside is provided with well heater 18, and working temperature is 120 ~ 350 DEG C, and distillation tower 11 exports and connects biofuel storage tank 17 by condenser 13, water-and-oil separator 14.Open distillation tower 11 external heater 18 and be heated to processing requirement, open cold condenser 13, water-and-oil separator 14, surge tank 15, vacuum pump 16 successively, biofuel is distilled under vacuum conditions and produces biofuel gas, biofuel gas enters condenser 13 condensation, be converted into biofuel liquid after condensation to be separated through water-and-oil separator 14, isolated pure biofuel delivers to biofuel tank 17.
Claims (10)
1. the invention provides a kind of device utilizing discarded food and drink oil production biofuel, this device comprises methanol tank, methanol gasifying device, gas-liquid separator, heat exchanger, biodiesel storage tank, catalyzer storage tank, reaction kettle of the esterification, transferpump, setting tank, whizzer, water washing tank, vacuum drier, distillation tower, condenser, water-and-oil separator, biofuel tank etc., wherein: described methanol tank is by methanol gasifying device import described in pipeline communication, and described methanol gasifying device connects described reaction kettle of the esterification lower end import by gas-liquid separator, described biodiesel storage tank, catalyzer storage tank is communicated with described reaction kettle of the esterification upper end opening for feed, air outlet, described reaction kettle of the esterification upper end connects methanol tank by heat exchanger, the outlet of described reaction kettle of the esterification lower end connects setting tank import by transferpump, and described setting tank outlet connects whizzer respectively, water washing tank import and reaction kettle of the esterification upper end opening for feed, described whizzer outlet connects the import of glycerine tank, and described water washing tank import connects hot-water cylinder, outlet connects vacuum drier, described vacuum drier outlet connects distillation tower import, described distillation tower outlet connects water-and-oil separator by condenser, and described water-and-oil separator upper end connects vacuum pump by surge tank, connects biofuel tank bottom water-and-oil separator.
2. as claimed in claim 1, a kind of device utilizing discarded food and drink oil production biofuel, is characterized in that: the biodiesel raw material of employing is for removing mechanical impurity, and the discarded food and drink of crossing through aquation, phosphoric acid degumming process is oily.
3. as claimed in claim 1, a kind of device utilizing discarded food and drink oil production biofuel, is characterized in that: the catalyzer of employing is novel solid acid catalyst, and this catalyzer is SO4
2-/ TiO
2-ZrO
2, WO
3/ ZrO
2-Al2O
3, MoO
3/ ZrO
2-SiO
2, B
2o
3/ Al
2o
3-TiO
2in one or more, consumption is 0.8 ~ 5.5% of raw material.
4. as claimed in claim 1, utilize a device for discarded food and drink oil production biofuel, it is characterized in that: described methanol gasifying device outside is provided with well heater, and upper end outlet is connected with gas-liquid separator import, lower end is provided with opening for feed and water port, and its working temperature is 60 ~ 80 DEG C.
5. as claimed in claim 1, a kind of device utilizing discarded food and drink oil production biofuel, is characterized in that: the outlet of described gas-liquid separator lower end connects methanol gasifying device, and top exit connects reaction kettle of the esterification bottom air inlet.
6. as claimed in claim 1, utilize a device for discarded food and drink oil production biofuel, it is characterized in that: described reaction kettle of the esterification band having heaters and agitator, upper end is provided with opening for feed and air outlet, lower end is provided with inlet mouth and discharge port, and its working temperature is 60 ~ 120 DEG C.
7. as claimed in claim 1, a kind of device utilizing discarded food and drink oil production biofuel, is characterized in that: described whizzer is vertical centrifugal discharging filter screen guide flow type whizzer.
8. as claimed in claim 1, a kind of device utilizing discarded food and drink oil production biofuel, it is characterized in that: described water washing tank outside is provided with thermal insulation layer, and import connects hot-water cylinder and setting tank respectively, its working temperature is 60 ~ 120 DEG C.
9. as claimed in claim 1, utilize a device for discarded food and drink oil production biofuel, it is characterized in that: described vacuum drier is tubular drier, and exit is provided with venting port, its profile: diameter is 1 meter, length is 2 meters, be highly 1.2 meters, vacuum pressure is 0.08 ~ 0.1MPa.
10. as claimed in claim 1, a kind of device utilizing discarded food and drink oil production biofuel, it is characterized in that: be provided with well heater bottom described distillation tower, working temperature is 120 ~ 350 DEG C, and distillation tower outlet connects biofuel storage tank by condenser, water-and-oil separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310391251.2A CN104419526A (en) | 2013-09-02 | 2013-09-02 | Device for producing biodiesel from waste catering oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310391251.2A CN104419526A (en) | 2013-09-02 | 2013-09-02 | Device for producing biodiesel from waste catering oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104419526A true CN104419526A (en) | 2015-03-18 |
Family
ID=52969653
Family Applications (1)
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|---|---|---|---|
| CN201310391251.2A Pending CN104419526A (en) | 2013-09-02 | 2013-09-02 | Device for producing biodiesel from waste catering oil |
Country Status (1)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105602737A (en) * | 2016-02-29 | 2016-05-25 | 薛晶 | Device for producing biodiesel from waste edible oil |
| CN105733820A (en) * | 2016-02-29 | 2016-07-06 | 薛晶 | High-purity biodiesel preparation equipment |
| CN107011998A (en) * | 2017-05-05 | 2017-08-04 | 杨冠宇 | A kind of biodiesel manufacturing system |
| CN111234933A (en) * | 2020-03-23 | 2020-06-05 | 龙岩卓越新能源股份有限公司 | Device for producing biodiesel by continuous ester exchange of waste oil and fat |
| CN112410128A (en) * | 2020-11-21 | 2021-02-26 | 贵州锦江生物能源科技有限公司 | Biodiesel continuous esterification production device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105602737A (en) * | 2016-02-29 | 2016-05-25 | 薛晶 | Device for producing biodiesel from waste edible oil |
| CN105733820A (en) * | 2016-02-29 | 2016-07-06 | 薛晶 | High-purity biodiesel preparation equipment |
| CN107011998A (en) * | 2017-05-05 | 2017-08-04 | 杨冠宇 | A kind of biodiesel manufacturing system |
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| CN111234933A (en) * | 2020-03-23 | 2020-06-05 | 龙岩卓越新能源股份有限公司 | Device for producing biodiesel by continuous ester exchange of waste oil and fat |
| CN112410128A (en) * | 2020-11-21 | 2021-02-26 | 贵州锦江生物能源科技有限公司 | Biodiesel continuous esterification production device |
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