CN111676061A - Technology for distinguishing and removing animal and vegetable oil in waste oil - Google Patents
Technology for distinguishing and removing animal and vegetable oil in waste oil Download PDFInfo
- Publication number
- CN111676061A CN111676061A CN202010418224.XA CN202010418224A CN111676061A CN 111676061 A CN111676061 A CN 111676061A CN 202010418224 A CN202010418224 A CN 202010418224A CN 111676061 A CN111676061 A CN 111676061A
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- CN
- China
- Prior art keywords
- oil
- waste
- animal
- waste oil
- vegetable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002699 waste material Substances 0.000 title claims abstract description 89
- 239000003921 oil Substances 0.000 title claims abstract description 88
- 235000019198 oils Nutrition 0.000 title claims abstract description 88
- 239000010775 animal oil Substances 0.000 title claims abstract description 51
- 235000015112 vegetable and seed oil Nutrition 0.000 title claims abstract description 51
- 239000008158 vegetable oil Substances 0.000 title claims abstract description 51
- 238000005516 engineering process Methods 0.000 title claims abstract description 12
- 235000010446 mineral oil Nutrition 0.000 claims abstract description 25
- 239000002480 mineral oil Substances 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000243 solution Substances 0.000 claims abstract description 17
- 239000003513 alkali Substances 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 239000011259 mixed solution Substances 0.000 claims abstract description 8
- 238000011282 treatment Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- 230000018044 dehydration Effects 0.000 claims description 6
- 238000006297 dehydration reaction Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000002910 solid waste Substances 0.000 claims description 6
- 239000002351 wastewater Substances 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 claims description 3
- 238000004090 dissolution Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 238000011221 initial treatment Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 230000001376 precipitating effect Effects 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 abstract description 5
- 238000000746 purification Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000010685 fatty oil Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 125000005456 glyceride group Chemical group 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000003079 shale oil Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G53/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes
- C10G53/02—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only
- C10G53/12—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only including at least one alkaline treatment step
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1003—Waste materials
- C10G2300/1007—Used oils
Landscapes
- 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)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention belongs to the technical field of waste oil purification, and discloses a technology for distinguishing and removing animal and vegetable oil in waste oil. The technology for distinguishing and removing the animal and vegetable oil in the waste oil comprises the following steps: (1) and (3) judging animal and vegetable oil: firstly, 50ml of waste oil sample is taken, hot alkali solution and water are poured into the waste oil sample, and the mixture is shaken up to fully react; and secondly, separating the mixed solution in the first step, taking the upper-layer oil of the mixed solution, and judging that the waste oil contains animal and vegetable oil when the volume of the upper-layer oil is below 45 ml. The technology for distinguishing and removing the animal and vegetable oil in the waste oil utilizes the difference of the chemical properties of the animal and vegetable oil and the mineral oil to extract and analyze samples, the animal and vegetable oil reacts with thermokalite to be dissolved in water, the mineral oil does not react with the thermokalite, the waste oil can be judged whether to contain the animal and vegetable oil, the operation is convenient, and the reliability is high.
Description
Technical Field
The invention relates to the technical field of waste oil purification, in particular to a technology for distinguishing and removing animal and vegetable oil in waste oil.
Background
The main component of animal and vegetable oils is glyceride of fatty acid, so it is also called fatty oil, mineral oil is petroleum, shale oil and their products, the main component is hydrocarbon, the main component is aliphatic hydrocarbon.
For a waste mineral oil recovery factory, the source of waste oil is not wide, the collected waste oil may be mixed with animal and vegetable oil, if the waste oil is directly recovered and processed under an unknown condition, the animal and vegetable oil may pollute and damage equipment due to different properties of the animal and vegetable oil and the mineral oil, and the quality of the separated oil cannot reach the standard, so that the loss of the factory is caused, and therefore, the problem of determining and removing the animal and vegetable oil in the waste oil is urgently needed to be solved.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a technology for distinguishing and removing animal and vegetable oil in waste oil, and solves the problems in the background art.
The invention provides the following technical scheme: a technology for distinguishing and removing animal and vegetable oil in waste oil comprises the following steps:
(1) and (3) judging animal and vegetable oil:
firstly, 50ml of waste oil sample is taken, hot alkali solution and water are poured into the waste oil sample, and the mixture is shaken up to fully react;
and secondly, separating the mixed solution in the first step, taking the upper-layer oil of the mixed solution, and judging that the waste oil contains animal and vegetable oil when the volume of the upper-layer oil is below 45 ml.
(2) The waste oil is subjected to primary treatment, solid waste is separated out by a raw material pump through a centrifugal machine after the waste oil is settled and dehydrated, a waste oil layer is collected and separated into waste oil, waste water and slag, the obtained waste oil and waste water are subjected to evaporation treatment, and water in the waste oil is removed to obtain a mixture of waste mineral oil and animal and vegetable oil.
(3) Removing animal and vegetable oil from the waste oil, fully mixing the hot alkali solution and water with the mixture of the waste mineral oil and the animal and vegetable oil obtained in the step (2), and standing and precipitating after mixing.
(4) Waste mineral oil treatment:
a, taking the upper-layer oil liquid precipitated in the step (3), treating the upper-layer oil liquid by a centrifugal machine to separate solid waste, namely salts generated after the animal and vegetable oil is subjected to hot alkali treatment and water dissolution;
b, performing vacuum dehydration on the waste oil separated in the step a, enabling the dehydrated waste mineral oil to pass through a high-intensity magnetic field pipeline, collecting abrasion iron powder in the waste oil, and pressing the obtained waste oil into a high-frequency vibration membrane for treatment to obtain clean mineral oil.
Preferably, the temperature of the vacuum dehydration environment in the step (4) is 90 ℃, and the water content of the dehydrated waste mineral oil is less than 1%.
Preferably, in the step (4), the performance indexes of the high-intensity magnetic field pipeline are as follows: the magnetic field intensity in the pipeline is in the range of 2000-25000 oersted.
Preferably, the high-frequency vibration film in the step (4) adopts a frequency modulation motor, and the frequency range is 17-80 Hz; the amplitude is 5-25 mm.
Preferably, the temperature of the hot alkali solution in the step (1) and the step (3) is in the range of 70-90 ℃.
Preferably, the rotation speed range of the centrifuge in the step (4) is 4000-.
Preferably, the hot alkaline solution is a sodium hydroxide solution.
Preferably, the volume ratio of the hot alkali solution, the water and the waste oil in the step (1) is 1:1: 1.
By adopting the technical scheme, the invention has the beneficial effects that:
1. the technology for distinguishing and removing the animal and vegetable oil in the waste oil utilizes the difference of the chemical properties of the animal and vegetable oil and the mineral oil to extract and analyze samples, the animal and vegetable oil reacts with thermokalite to be dissolved in water, the mineral oil does not react with the thermokalite, the waste oil can be judged whether to contain the animal and vegetable oil, the operation is convenient, and the reliability is high.
2. This animal and vegetable oil technique in the waste oil of distinguishing and getting rid of utilizes thermokalite reaction can high-efficiently separate the animal and vegetable oil in the waste oil through constantly filtering, has avoided the processing hidden danger that probably exists, has solved the problem that proposes among the background art.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to specific examples.
A technology for distinguishing and removing animal and vegetable oil in waste oil comprises the following steps:
(1) and (3) judging animal and vegetable oil:
firstly, 50ml of waste oil sample is taken, hot alkali solution and water are poured into the waste oil sample, and the mixture is shaken up to fully react;
and secondly, separating the mixed solution in the first step, taking the upper-layer oil of the mixed solution, and judging that the waste oil contains animal and vegetable oil when the volume of the upper-layer oil is below 45 ml.
(2) The waste oil is subjected to primary treatment, solid waste is separated out by a raw material pump through a centrifugal machine after the waste oil is settled and dehydrated, a waste oil layer is collected and separated into waste oil, waste water and slag, the obtained waste oil and waste water are subjected to evaporation treatment, and water in the waste oil is removed to obtain a mixture of waste mineral oil and animal and vegetable oil.
(3) Removing animal and vegetable oil from the waste oil, fully mixing the hot alkali solution and water with the mixture of the waste mineral oil and the animal and vegetable oil obtained in the step (2), and standing and precipitating after mixing.
(4) Waste mineral oil treatment:
a, taking the upper-layer oil liquid precipitated in the step (3), treating the upper-layer oil liquid by a centrifugal machine to separate solid waste, namely salts generated after the animal and vegetable oil is subjected to hot alkali treatment and water dissolution;
b, performing vacuum dehydration on the waste oil separated in the step a, enabling the dehydrated waste mineral oil to pass through a high-intensity magnetic field pipeline, collecting abrasion iron powder in the waste oil, and pressing the obtained waste oil into a high-frequency vibration membrane for treatment to obtain clean mineral oil.
The temperature of the vacuum dehydration environment in the step (4) is 90 ℃, the water content of the dehydrated waste mineral oil is less than 1 percent, and the performance indexes of the high-intensity magnetic field pipeline in the step (4) are as follows: the magnetic field intensity range in the pipeline is 2000-25000 oersted, the high-frequency vibration film in the step (4) adopts a frequency modulation motor, and the frequency range is 17-80 Hz; the amplitude is 5-25 mm, the temperature range of the thermocaustic alkali solution in the step (1) and the step (3) is 70-90 ℃, the rotating speed range of the centrifugal machine in the step (4) is 4000-.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A technology for distinguishing and removing animal and vegetable oil in waste oil is characterized in that: the technology comprises the following steps:
(1) and (3) judging animal and vegetable oil:
firstly, 50ml of waste oil sample is taken, hot alkali solution and water are poured into the waste oil sample, and the mixture is shaken up to fully react;
separating the mixed solution in the first step, taking the upper oil liquid of the mixed solution, and judging that the waste oil contains animal and vegetable oil when the volume of the upper oil liquid is below 45 ml;
(2) the waste oil is subjected to primary treatment, solid waste is separated out from the waste oil by a raw material pump through a centrifugal machine after the waste oil is settled and dehydrated, the waste oil layer is collected and separated into waste oil, waste water and slag, the obtained waste oil and waste water are subjected to evaporation treatment, and moisture in the waste oil is removed to obtain a mixture of waste mineral oil and animal and vegetable oil;
(3) removing animal and vegetable oil from the waste oil, fully mixing hot alkali solution and water with the mixture of the waste mineral oil and the animal and vegetable oil obtained in the step (2), and standing and precipitating after mixing;
(4) treating waste mineral oil;
a, taking the upper-layer oil liquid precipitated in the step (3), treating the upper-layer oil liquid by a centrifugal machine to separate solid waste, namely salts generated after the animal and vegetable oil is subjected to hot alkali treatment and water dissolution;
b, performing vacuum dehydration on the waste oil separated in the step a, enabling the dehydrated waste mineral oil to pass through a high-intensity magnetic field pipeline, collecting abrasion iron powder in the waste oil, and pressing the obtained waste oil into a high-frequency vibration membrane for treatment to obtain clean mineral oil.
2. The technique for discriminating and removing animal and vegetable oils contained in waste oil according to claim 1, wherein: the vacuum dehydration environment temperature in the step (4) is 90 ℃, and the water content of the dehydrated waste mineral oil is less than 1%.
3. The technique for discriminating and removing animal and vegetable oils contained in waste oil according to claim 1, wherein: the performance indexes of the high-intensity magnetic field pipeline in the step (4) are as follows: the magnetic field intensity in the pipeline is in the range of 2000-25000 oersted.
4. The technique for discriminating and removing animal and vegetable oils contained in waste oil according to claim 1, wherein: the high-frequency vibration film in the step (4) adopts a frequency modulation motor, and the frequency range is 17-80 Hz; the amplitude is 5-25 mm.
5. The technique for discriminating and removing animal and vegetable oils contained in waste oil according to claim 1, wherein: the temperature range of the hot alkali solution in the step (1) and the step (3) is 70-90 ℃.
6. The technique for discriminating and removing animal and vegetable oils contained in waste oil according to claim 1, wherein: the rotating speed range of the centrifugal machine in the step (4) is 4000-.
7. The technique for discriminating and removing animal and vegetable oils contained in waste oil according to claim 1, wherein: the hot alkali solution is sodium hydroxide solution.
8. The technique for discriminating and removing animal and vegetable oils contained in waste oil according to claim 1, wherein: the volume ratio of the hot alkali solution, the water and the waste oil in the step (1) is 1:1: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010418224.XA CN111676061A (en) | 2020-05-18 | 2020-05-18 | Technology for distinguishing and removing animal and vegetable oil in waste oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010418224.XA CN111676061A (en) | 2020-05-18 | 2020-05-18 | Technology for distinguishing and removing animal and vegetable oil in waste oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111676061A true CN111676061A (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010418224.XA Pending CN111676061A (en) | 2020-05-18 | 2020-05-18 | Technology for distinguishing and removing animal and vegetable oil in waste oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111676061A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020036171A1 (en) * | 2000-07-31 | 2002-03-28 | Komeisha Corporation | Treatment method of waste oil or waste edible oil |
| CN101245256A (en) * | 2007-02-15 | 2008-08-20 | 上海新金桥工业废弃物管理有限公司 | Recovery processing technique of waste mineral oil |
| CN105506725A (en) * | 2015-12-17 | 2016-04-20 | 天津市富仁板带有限公司 | Steel strip degreasing process |
-
2020
- 2020-05-18 CN CN202010418224.XA patent/CN111676061A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020036171A1 (en) * | 2000-07-31 | 2002-03-28 | Komeisha Corporation | Treatment method of waste oil or waste edible oil |
| CN101245256A (en) * | 2007-02-15 | 2008-08-20 | 上海新金桥工业废弃物管理有限公司 | Recovery processing technique of waste mineral oil |
| CN105506725A (en) * | 2015-12-17 | 2016-04-20 | 天津市富仁板带有限公司 | Steel strip degreasing process |
Non-Patent Citations (2)
| Title |
|---|
| 金光正: "大专法律专业教材 司法鉴定学", 31 May 1988, 中国政法大学出版社, pages: 435 * |
| 靳祖训等: "粮食经济与科技大辞典", 31 December 1994, 中国商业出版社, pages: 576 * |
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