CN110055121B - Device for preparing lubricating oil from biodiesel and using method thereof - Google Patents
Device for preparing lubricating oil from biodiesel and using method thereof Download PDFInfo
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- CN110055121B CN110055121B CN201910383571.0A CN201910383571A CN110055121B CN 110055121 B CN110055121 B CN 110055121B CN 201910383571 A CN201910383571 A CN 201910383571A CN 110055121 B CN110055121 B CN 110055121B
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- biodiesel
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/68—Esters
- C10M129/74—Esters of polyhydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/02—Viscosity; Viscosity index
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
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Abstract
本发明主要提供了一种生物柴油制备润滑油的装置及其使用方法，本发明合成的油品抗氧化反应、粘度达到使用标准，同时大幅度降低生产成本；本发明利用环保型的生物柴油为混合脂肪酸的单烷基酯的分子特点，经过轻度低温裂解、常温冷凝得到中间油品，中间油品在固体酸碱催化剂的催化下与山梨糖醇及三羟基甲基丙烷酯交换，反应停止后经过脱气、过滤等工序得到环保型全合成润滑油，油品指标达到国家标准。
The invention mainly provides a device for preparing lubricating oil from biodiesel and a method for using the same. The oil synthesized by the invention has an anti-oxidative reaction and a viscosity that meets the use standard, and at the same time greatly reduces the production cost; the invention utilizes environmentally friendly biodiesel as Molecular characteristics of monoalkyl esters of mixed fatty acids. After mild low-temperature cracking and condensation at room temperature, intermediate oil products are obtained. The intermediate oil products are transesterified with sorbitol and trihydroxymethyl propane under the catalysis of solid acid-base catalysts, and the reaction stops. After degassing, filtration and other processes, the environmentally friendly fully synthetic lubricating oil is obtained, and the oil product index reaches the national standard.
Description
Technical Field
The invention relates to the technical field of biodiesel preparation, in particular to a device for preparing lubricating oil from biodiesel and a using method thereof.
Background
The raw material for preparing the biodiesel is animal and vegetable oil, is green energy, and is a renewable diesel fuel which can replace petroleum diesel and is prepared by taking oil crops such as soybean, rape, cotton, palm and the like, aquatic vegetable oil and fat such as wild oil plants, engineering microalgae and the like, animal oil and fat, food and beverage garbage oil and the like as raw material oil through esterification, ester exchange and other processes.
At present, synthetic lubricating oil is generally an ester fully synthetic oil synthesized by using ethylene and propylene dispersed from gas or natural gas in crude oil, then refining the ethylene and propylene into a lubricating liquid consisting of macromolecules through complex chemical reactions such as polymerization, catalysis and the like, or processing and blending high-carbon olefins, or using alcohol and fatty acid as basic materials and carrying out chemical polycondensation.
With the environmental upgrading, the ester fully synthetic oil becomes a popular product in the market, but the price is high, so a new technology is needed to make up for the deficiency.
Disclosure of Invention
The invention aims to solve the problems and provide a device for preparing lubricating oil from biodiesel and a using method thereof.
In order to solve the above problems, the present invention provides a technical solution: a device for preparing lubricating oil by biodiesel and a using method thereof comprise an oil storage tank, a raw material pump, a furnace door, a rotary cracking furnace, a cracking agent inlet, an electric heating jacket, a first valve, an oil-gas pipe, a closed condensed water tank, a first thermometer, a second thermometer, cracked biodiesel, an intermediate pump, a first auxiliary material storage tank, a first auxiliary material metering pump, a second auxiliary material storage tank, a second auxiliary material metering pump, a flowmeter, a reaction kettle, a catalyst adding inlet, a second valve, a methanol gas pipe, a methanol outlet pipe, a product pump, a filter and a product storage tank; the rotary cracking furnace is characterized in that the left side end of the rotary cracking furnace is fixedly communicated with a furnace door, the right side end of the rotary cracking furnace is fixedly communicated with an oil-gas pipe, the outer surface of the rotary cracking furnace is connected with an electric heating sleeve in a covering manner, and the rotary cracking furnace is provided with a first thermometer; the furnace door is provided with a cracking agent inlet, and a first valve is arranged in the cracking agent inlet; the input end of the raw material pump is communicated with the oil storage tank through a pipeline, and the output end of the raw material pump is communicated with the furnace door through a pipeline; the other end of the oil gas pipe is communicated with a closed condensed water tank; a second thermometer and a methanol outlet pipe are arranged on the closed condensed water tank; the right end of the closed condensed water tank is sequentially communicated with cracking biodiesel, an intermediate pump, a flowmeter, a reaction kettle, a product pump, a filter and a product storage tank through a pipeline; the top end of the reaction kettle is also communicated with a closed condensed water tank through a methanol gas pipe, a catalyst feeding port is arranged on the reaction kettle, and a second valve is arranged in the catalyst feeding port; the reaction kettle is also connected with a first auxiliary material metering pump and a second auxiliary material metering pump in parallel through pipelines; the other end of the first auxiliary material metering pump is communicated with a first auxiliary material storage tank through a pipeline, and the other end of the second auxiliary material metering pump is communicated with a second auxiliary material storage tank through a pipeline.
Preferably, the feed pump, the intermediate pump and the product pump are of identical construction.
Preferably, the first thermometer and the second thermometer are both high temperature thermometers.
Preferably, the first auxiliary material metering pump and the second auxiliary material metering pump are consistent in structure.
Preferably, the use method of the device for preparing lubricating oil by using the biodiesel comprises the following steps:
A. the cracking agent enters a furnace door of the rotary cracking furnace through a cracking agent inlet, and simultaneously, a certain amount of biodiesel in an oil storage tank is pumped into the rotary cracking furnace by a raw material pump;
B. starting the rotary cracking furnace and the electric heating sleeve, setting the heating temperature of the electric heating sleeve to be 350-360 ℃, gasifying the biodiesel to form oil gas, entering the oil gas into a closed condensed water tank through an oil gas pipe, setting the condensing temperature of the closed condensed water tank to be 20-30 ℃, condensing to obtain cracked biodiesel, and storing the cracked biodiesel in the cracked biodiesel for later use;
C. starting an intermediate pump, pumping the cracked biodiesel into a reaction kettle, taking the flow as a reference, then starting a first auxiliary material metering pump and a second auxiliary material metering pump, simultaneously pumping auxiliary materials such as sorbitol and trimethylolpropane into the reaction kettle, wherein the volume ratio of the cracked biodiesel to the sorbitol is 20-30: 1, the volume ratio of the cracked biodiesel to the trimethylolpropane is 10-15: 1, simultaneously adding an ester exchange catalyst through a catalyst adding port, starting the reaction kettle to stir, starting the reaction, wherein the reaction temperature is 80-100 ℃, and discharging methanol gas generated in the reaction process into a sealed condensate water tank through a methanol gas pipe;
D. cooling the methanol gas by a closed condensation water tank for 12-24 h to obtain methanol, heating and degassing after the reaction is finished, wherein the degassing temperature is 150-180 ℃, the degassing time is 0.5-1 h, closing the reaction kettle after degassing, opening a product pump, filtering the material by a filter to obtain a product, and storing the product in a product storage tank.
The invention has the beneficial effects that: the anti-oxidation reaction and the viscosity of the oil product synthesized by the method reach the use standard, and the production cost is greatly reduced; the invention utilizes the molecular characteristics of the mono-alkyl ester of the mixed fatty acid, which is the environment-friendly biodiesel, to obtain the intermediate oil product through mild low-temperature cracking and normal-temperature condensation, the intermediate oil product is subjected to ester exchange with sorbitol and trihydroxy methyl propane under the catalysis of a solid acid-base catalyst, and the environment-friendly fully synthetic lubricating oil is obtained through degassing, filtering and other procedures after the reaction is stopped, wherein the index of the oil product reaches the national standard.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
The specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, a device for preparing lubricating oil from biodiesel and a use method thereof comprise an oil storage tank 1, a raw material pump 2, a furnace door 3, a rotary cracking furnace 4, a cracking agent inlet 5, an electric heating jacket 6, a first valve 7, an oil-gas pipe 8, a closed condensed water tank 9, a first thermometer 10, a second thermometer 11, cracked biodiesel 12, an intermediate pump 13, a first auxiliary material storage tank 14, a first auxiliary material metering pump 15, a second auxiliary material storage tank 16, a second auxiliary material metering pump 17, a flow meter 18, a reaction kettle 19, a catalyst adding inlet 20, a second valve 21, a methanol gas pipe 22, a methanol outlet pipe 23, a product pump 24, a filter 25 and a product storage tank 26; the left side end of the rotary cracking furnace 4 is fixedly communicated with a furnace door 3, the right side end of the rotary cracking furnace 4 is fixedly communicated with an oil-gas pipe 8, the outer surface of the rotary cracking furnace 4 is connected with an electric heating sleeve 6 in a covering mode, and the rotary cracking furnace 4 is provided with a first thermometer 10; the furnace door 3 is provided with a cracking agent inlet 5, and a first valve 7 is arranged in the cracking agent inlet 5; the input end of the raw material pump 2 is communicated with the oil storage tank 1 through a pipeline, and the output end of the raw material pump 2 is communicated with the furnace door 3 through a pipeline; the other end of the oil-gas pipe 8 is communicated with a closed condensed water tank 9; a second thermometer 11 and a methanol outlet pipe 23 are arranged on the closed condensed water tank 9; the right end of the closed condensed water tank 9 is sequentially communicated with a cracking biodiesel 12, an intermediate pump 13, a flowmeter 18, a reaction kettle 19, a product pump 24, a filter 25 and a product storage tank 26 through pipelines; the top end of the reaction kettle 19 is also communicated with the closed condensed water tank 9 through a methanol gas pipe 22, the reaction kettle 19 is provided with a catalyst feeding port 20, and a second valve 21 is arranged in the catalyst feeding port 20; the reaction kettle 19 is also connected with a first auxiliary material metering pump 15 and a second auxiliary material metering pump 17 in parallel through pipelines; the other end of the first auxiliary material metering pump 15 is communicated with a first auxiliary material storage tank 14 through a pipeline, and the other end of the second auxiliary material metering pump 17 is communicated with a second auxiliary material storage tank 16 through a pipeline.
Wherein the raw material pump 2, the intermediate pump 13 and the product pump 24 have the same structure; the first thermometer 10 and the second thermometer 11 are both high-temperature thermometers; the first auxiliary material metering pump 15 and the second auxiliary material metering pump 17 are consistent in structure.
The use method of the device for preparing lubricating oil by using the biodiesel comprises the following steps:
A. the cracking agent enters a furnace door 3 of a rotary cracking furnace 4 through a cracking agent inlet 5, and simultaneously, a certain amount of biodiesel in an oil storage tank 1 is pumped into the rotary cracking furnace 4 by a raw material pump 2;
B. starting the rotary cracking furnace 4 and the electric heating sleeve 6, setting the heating temperature of the electric heating sleeve 6 to be 350-360 ℃, gasifying the biodiesel to form oil gas, entering the oil gas into the closed condensed water tank 9 through the oil gas pipe 8, setting the condensing temperature of the closed condensed water tank 9 to be 20-30 ℃, condensing to obtain cracked biodiesel, and storing the cracked biodiesel in the cracked biodiesel 12 for later use;
C. starting an intermediate pump 13, pumping the cracked biodiesel into a reaction kettle 19, taking a flow meter 18 as a reference, then starting a first auxiliary material metering pump 15 and a second auxiliary material metering pump 17, simultaneously pumping auxiliary materials such as sorbitol and trimethylolpropane into the reaction kettle 19, wherein the volume ratio of the cracked biodiesel to the sorbitol is 20-30: 1, the volume ratio of the cracked biodiesel to the trihydroxymethylpropane is 10-15: 1, simultaneously adding an ester exchange catalyst through a catalyst adding port 20, starting the reaction kettle 19 to stir for starting reaction, wherein the reaction temperature is 80-100 ℃, and discharging methanol gas generated in the reaction process into a closed condensed water tank 9 through a methanol gas pipe 22;
D. cooling the methanol gas by a closed condensation water tank 9 for 12-24 h to obtain methanol, heating and degassing after the reaction is finished, wherein the degassing temperature is 150-180 ℃, the degassing time is 0.5-1 h, closing a reaction kettle 19 after degassing, opening a product pump 24, filtering the material by a filter 25, and storing the obtained product in a product storage tank 26.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.
Claims (5)
1. A device for preparing lubricating oil by biodiesel is characterized in that: the device comprises an oil storage tank (1), a raw material pump (2), a furnace door (3), a rotary cracking furnace (4), a cracking agent inlet (5), an electric heating jacket (6), a first valve (7), an oil-gas pipe (8), a closed condensed water tank (9), a first thermometer (10), a second thermometer (11), cracking biodiesel (12), an intermediate pump (13), a first auxiliary material storage tank (14), a first auxiliary material metering pump (15), a second auxiliary material storage tank (16), a second auxiliary material metering pump (17), a flowmeter (18), a reaction kettle (19), a catalyst inlet (20), a second valve (21), a methanol gas pipe (22), a methanol outlet pipe (23), a product pump (24), a filter (25) and a product storage tank (26);
the furnace door (3) is fixedly communicated with the left side end of the rotary cracking furnace (4), the oil-gas pipe (8) is fixedly communicated with the right side end of the rotary cracking furnace (4), the outer surface of the rotary cracking furnace (4) is connected with an electric heating sleeve (6) in a coating manner, and the rotary cracking furnace (4) is provided with a first thermometer (10);
the furnace door (3) is provided with a cracking agent inlet (5), and a first valve (7) is arranged in the cracking agent inlet (5);
the input end of the raw material pump (2) is communicated with the oil storage tank (1) through a pipeline, and the output end of the raw material pump (2) is communicated with the furnace door (3) through a pipeline;
the other end of the oil-gas pipe (8) is communicated with a closed condensed water tank (9);
a second thermometer (11) and a methanol outlet pipe (23) are arranged on the closed condensed water tank (9);
the right end of the closed condensed water tank (9) is sequentially communicated with pyrolysis biodiesel (12), an intermediate pump (13), a flowmeter (18), a reaction kettle (19), a product pump (24), a filter (25) and a product storage tank (26) through pipelines;
the top end of the reaction kettle (19) is also communicated with a closed condensed water tank (9) through a methanol gas pipe (22), a catalyst feeding port (20) is arranged on the reaction kettle (19), and a second valve (21) is arranged in the catalyst feeding port (20);
the reaction kettle (19) is also connected with a first auxiliary material metering pump (15) and a second auxiliary material metering pump (17) in parallel through pipelines;
the other end of the first auxiliary material metering pump (15) is communicated with a first auxiliary material storage tank (14) through a pipeline, and the other end of the second auxiliary material metering pump (17) is communicated with a second auxiliary material storage tank (16) through a pipeline.
2. The device for preparing lubricating oil from biodiesel according to claim 1, wherein: the raw material pump (2), the intermediate pump (13) and the product pump (24) are consistent in structure.
3. The device for preparing lubricating oil from biodiesel according to claim 1, wherein: the first thermometer (10) and the second thermometer (11) are both high-temperature thermometers.
4. The device for preparing lubricating oil from biodiesel according to claim 1, wherein: the first auxiliary material metering pump (15) and the second auxiliary material metering pump (17) are consistent in structure.
5. The use method of the device for preparing lubricating oil by using the biodiesel according to claim 1 is characterized in that: the use method of the device for preparing lubricating oil by using the biodiesel comprises the following steps:
the cracking agent enters a furnace door (3) of the rotary cracking furnace (4) through a cracking agent inlet (5), and simultaneously, the raw material pump (2) pumps a certain amount of biodiesel in the oil storage tank (1) into the rotary cracking furnace (4);
starting the rotary cracking furnace (4) and the electric heating sleeve (6), setting the heating temperature of the electric heating sleeve (6) to be 350-360 ℃, gasifying the biodiesel to form oil gas, entering the oil gas into the closed condensed water tank (9) through an oil gas pipe (8), setting the condensing temperature of the closed condensed water tank (9) to be 20-30 ℃, condensing to obtain cracked biodiesel, and storing the cracked biodiesel in a cracked biodiesel (12) for later use;
starting an intermediate pump (13), pumping the cracked biodiesel into a reaction kettle (19), taking a flow meter (18) as a reference, then starting a first auxiliary material metering pump (15) and a second auxiliary material metering pump (17), simultaneously pumping sorbitol and trihydroxy methyl propane into the reaction kettle (19), wherein the volume ratio of the cracked biodiesel to sorbitol is 20-30: 1, the volume ratio of the cracked biodiesel to trihydroxy methyl propane is 10-15: 1, simultaneously adding an ester exchange catalyst through a catalyst adding port (20), starting the reaction kettle (19) to stir, starting the reaction, wherein the reaction temperature is 80-100 ℃, and discharging methanol gas generated in the reaction process into a sealed condensed water tank (9) through a methanol gas pipe (22);
cooling the methanol gas by a closed condensation water tank (9) for 12-24 h to obtain methanol, heating and degassing after the reaction is finished, degassing at the temperature of 150-180 ℃ for 0.5-1 h, closing a reaction kettle (19) after degassing, opening a product pump (24), filtering the material by a filter (25), and storing the obtained product in a product storage tank (26).
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| CN201910338483 | 2019-04-25 | ||
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| CN110055121B true CN110055121B (en) | 2022-02-15 |
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| US9109177B2 (en) * | 2011-12-12 | 2015-08-18 | Ensyn Renewables, Inc. | Systems and methods for renewable fuel |
| CN104031747B (en) * | 2014-06-13 | 2016-02-24 | 太原理工大学 | A kind of production equipment of biofuel and production method |
| CN105368582A (en) * | 2014-08-28 | 2016-03-02 | 李卫教 | Fatty acid methyl ester biodiesel production method and production device thereof |
| US20190233741A1 (en) * | 2017-02-12 | 2019-08-01 | Magēmā Technology, LLC | Multi-Stage Process and Device for Reducing Environmental Contaminates in Heavy Marine Fuel Oil |
| CN207276585U (en) * | 2017-09-06 | 2018-04-27 | 郑州汇绿科技有限公司 | A kind of processing unit for recycling the raw material for preparing biodiesel |
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Denomination of invention: A device for preparing lubricating oil from biodiesel and using method thereof Effective date of registration: 20220914 Granted publication date: 20220215 Pledgee: China Construction Bank Corporation Luannan Sub-branch Pledgor: TANGSHAN JINLIHAI BIODIESEL Corp.,Ltd. Registration number: Y2022990000630 |
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Denomination of invention: A device for preparing lubricating oil from biodiesel and its usage method Effective date of registration: 20231120 Granted publication date: 20220215 Pledgee: China Construction Bank Corporation Luannan Sub-branch Pledgor: TANGSHAN JINLIHAI BIODIESEL Corp.,Ltd. Registration number: Y2023110000483 |
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Denomination of invention: A device for preparing lubricating oil from biodiesel and its usage method Granted publication date: 20220215 Pledgee: China Construction Bank Corporation Luannan Sub-branch Pledgor: TANGSHAN JINLIHAI BIODIESEL Corp.,Ltd. Registration number: Y2025980000076 |
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Denomination of invention: A device for preparing lubricating oil from biodiesel and using method thereof Granted publication date: 20220215 Pledgee: China Construction Bank Corporation Luannan Sub-branch Pledgor: TANGSHAN JINLIHAI BIODIESEL Corp.,Ltd. Registration number: Y2026980003132 |