CN109468163B - Refining process for waste mineral raw oil - Google Patents
Refining process for waste mineral raw oil Download PDFInfo
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- CN109468163B CN109468163B CN201810332000.XA CN201810332000A CN109468163B CN 109468163 B CN109468163 B CN 109468163B CN 201810332000 A CN201810332000 A CN 201810332000A CN 109468163 B CN109468163 B CN 109468163B
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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
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
- C10M175/0016—Working-up used lubricants to recover useful products ; Cleaning with the use of chemical agents
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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
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
- C10M175/0025—Working-up used lubricants to recover useful products ; Cleaning by thermal processes
- C10M175/0033—Working-up used lubricants to recover useful products ; Cleaning by thermal processes using distillation processes; devices therefor
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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
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
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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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- Oil, Petroleum & Natural Gas (AREA)
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
A refining process for waste mineral raw oil comprises the following steps: s1, reaction toning: conveying the waste mineral raw oil to a first metering tank, and then adding a hydrazine hydrate auxiliary agent for color matching until the chroma reaches 2.0-3.0; s2, primary distillation: conveying the toned waste mineral raw oil to a first distillation kettle for primary distillation to obtain a first fraction with the distillation range of 100-250 ℃; s3, toning again: conveying the first distillate to a second metering tank, adding a hydrazine hydrate auxiliary agent, and carrying out color matching until the chroma reaches 1.0-1.5; s4, secondary distillation: and (3) conveying the color-mixed fraction to a second distillation kettle for second distillation to obtain a second fraction with the distillation range of 150-250 ℃, thus obtaining the refined base oil. The invention also discloses an extraction system for the refining process of the waste mineral raw oil. The refining process of the waste mineral raw oil is simple, does not need a post-refining process, has small equipment investment, good base oil quality and no peculiar smell.
Description
Technical Field
The invention relates to the field of processing of waste mineral raw oil, in particular to a refining processing process of waste mineral raw oil.
Background
The existing refining processing technology of waste mineral raw material oil is complex, the equipment investment is large, and the quality of the obtained base oil is not good enough.
Disclosure of Invention
The invention aims to provide a refining processing technology of waste mineral raw oil, aiming at the problems of complex refining processing technology, large equipment investment and insufficient base oil quality of the existing waste mineral raw oil.
The processing technology comprises the following steps:
s1, reaction toning: conveying the waste mineral raw oil to a first metering tank, adding a hydrazine hydrate auxiliary agent for reaction and color mixing until the chroma reaches 2.0-3.0, wherein the mass ratio of the waste mineral raw oil to the hydrazine hydrate auxiliary agent is 100:1-3, and the temperature is controlled at 120 ℃ during the reaction and color mixing; the hydrazine hydrate auxiliary agent is prepared by uniformly mixing hydrazine hydrate, sodium hydroxide and water, and the weight ratio is as follows: 8-12 parts of hydrazine hydrate, 55-65 parts of sodium hydroxide and 28-32 parts of water;
s2, primary distillation: conveying the waste mineral raw oil subjected to reaction color matching to a first distillation kettle for primary distillation to obtain a first fraction with the distillation range of 100-250 ℃, and then conveying the first fraction to a receiving tank;
s3, toning again: conveying the first fraction in the receiving tank to a second metering tank, then adding a hydrazine hydrate auxiliary agent for reaction color matching until the chroma reaches 1.0-1.5, wherein the mass ratio of the first fraction to the hydrazine hydrate auxiliary agent is 100:1-3, and the temperature is controlled at 100-120 ℃ in the reaction color matching process;
s4, secondary distillation: and (3) conveying the first distillate after the color mixing of the reaction to a second distillation kettle for second distillation to obtain a second distillate with the distillation range of 150-250 ℃, and conveying the obtained second distillate to a finished product tank to obtain the refined base oil.
A refining system for the refining process of waste raw mineral oil includes a raw material tank, a first reaction storage unit, a second reaction storage unit and a tail gas purifying unit, the first reaction storage unit includes a first metering tank, a first assistant tank and a first distillation still, the device comprises a receiving tank A, a receiving tank B, a first cooling tower, a first conical storage tank and a buffer tank, wherein liquid outlets of a raw material tank and a first auxiliary agent tank are respectively communicated with a liquid inlet of a first metering tank, a liquid outlet of the first metering tank is communicated with a liquid inlet of a first distillation kettle, a steam outlet of the first distillation kettle is communicated with a gas inlet of the first cooling tower, a condensate outlet of the first cooling tower is respectively communicated with liquid inlets of the receiving tank A and the receiving tank B, a liquid outlet of the receiving tank B is communicated with a liquid inlet of the first conical storage tank, and a gas outlet of the first conical storage tank is communicated with a gas inlet of the buffer tank; the second reaction storage device comprises a second metering tank, a second auxiliary agent tank, a second distillation kettle, a C receiving tank, a D receiving tank, a second cooling tower, a second conical storage tank and a finished product tank, wherein liquid outlets of the A receiving tank and the second auxiliary agent tank are respectively communicated with a liquid inlet of the second metering tank, a liquid outlet of the second metering tank is communicated with a liquid inlet of the second distillation kettle, a steam outlet of the second distillation kettle is communicated with a gas inlet of the second cooling tower, a condensate outlet of the second cooling tower is respectively communicated with liquid inlets of the C receiving tank and the D receiving tank, a liquid outlet of the D receiving tank is communicated with a liquid inlet of the second conical storage tank, and a liquid outlet of the C receiving tank is communicated with a liquid inlet of the finished product tank; the tail gas purification device comprises a water seal tank and a chimney, gas outlets of the buffer tank and the second conical storage tank are respectively communicated with the water seal tank through a vacuum pump, and a gas outlet of the water seal tank is communicated with a gas inlet of the chimney; the device also comprises a pair of mixed liquid circulating devices and a pair of oil circulating devices, wherein the mixed liquid circulating devices comprise heat exchange pumps and heat exchangers, a mixed liquid circulating inlet and a mixed liquid circulating outlet are respectively formed in the first metering tank and the second metering tank, and the first metering tank and the second metering tank respectively circulate in the heat exchange pumps and the heat exchangers through the corresponding heat exchange pumps; the oil circulating device comprises a hot oil pump and a heating column, a circulating oil inlet and a circulating oil outlet are respectively formed in the first distillation kettle and the second distillation kettle, and the first distillation kettle and the second distillation kettle are internally circulated through the corresponding hot oil pump and the corresponding heating column respectively.
The invention has the advantages that: the refining process of the waste mineral raw oil is simple, a post-refining process such as filtration and the like is not needed, the equipment investment is small, the quality of the base oil is good, and no peculiar smell is generated.
Description of the drawings
FIG. 1 is a process flow diagram of the present invention;
fig. 2 is a schematic diagram showing the structure of a refining system used in a refining process of waste mineral feedstock oil.
Detailed Description
A refining process for waste mineral raw oil comprises the following steps:
s1, reaction toning: conveying the waste mineral raw oil to a first metering tank, adding a hydrazine hydrate auxiliary agent for reaction and color mixing until the chroma reaches 2.0-3.0, wherein the mass ratio of the waste mineral raw oil to the hydrazine hydrate auxiliary agent is 100:1-3, and the temperature is controlled at 120 ℃ during the reaction and color mixing; the hydrazine hydrate auxiliary agent is prepared by uniformly mixing hydrazine hydrate, sodium hydroxide and water, and the weight ratio is as follows: 8-12 parts of hydrazine hydrate, 55-65 parts of sodium hydroxide and 28-32 parts of water;
s2, primary distillation: conveying the waste mineral raw oil subjected to reaction color matching to a first distillation kettle for primary distillation to obtain a first fraction with the distillation range of 100-250 ℃, and then conveying the first fraction to a receiving tank;
s3, toning again: conveying the first fraction in the receiving tank to a second metering tank, then adding a hydrazine hydrate auxiliary agent for reaction color matching until the chroma reaches 1.0-1.5, wherein the mass ratio of the first fraction to the hydrazine hydrate auxiliary agent is 100:1-3, and the temperature is controlled at 100-120 ℃ in the reaction color matching process;
s4, secondary distillation: and (3) conveying the first distillate after the color mixing of the reaction to a second distillation kettle for second distillation to obtain a second distillate with the distillation range of 150-250 ℃, and conveying the obtained second distillate to a finished product tank to obtain the refined base oil.
A refining system for the refining process of waste mineral raw oil comprises a raw material tank 1, a first reaction storage device, a second reaction storage device and a tail gas purification device, wherein the first reaction storage device comprises a first metering tank 2, a first auxiliary agent tank 3 and a first distillation kettle 4, the device comprises a receiving tank A5, a receiving tank B6, a first cooling tower 7, a first conical storage tank 8 and a buffer tank 9, wherein liquid outlets of a raw material tank 1 and a first auxiliary agent tank 3 are respectively communicated with a liquid inlet of a first metering tank 2, a liquid outlet of the first metering tank 2 is communicated with a liquid inlet of a first distillation kettle 4, a steam outlet of the first distillation kettle 4 is communicated with a gas inlet of the first cooling tower 7, a condensate outlet of the first cooling tower 7 is respectively communicated with liquid inlets of the receiving tank A5 and the receiving tank B6, a liquid outlet of the receiving tank B6 is communicated with a liquid inlet of the first conical storage tank 8, and a gas outlet of the first conical storage tank 8 is communicated with a gas inlet of the buffer tank 9; the second reaction storage device comprises a second metering tank 10, a second auxiliary agent tank 11, a second distillation kettle 12, a C receiving tank 13, a D receiving tank 14, a second cooling tower 15, a second conical storage tank 16 and a finished product tank 17, wherein liquid outlets of the A receiving tank 5 and the second auxiliary agent tank 11 are respectively communicated with a liquid inlet of the second metering tank 10, a liquid outlet of the second metering tank 10 is communicated with a liquid inlet of the second distillation kettle 12, a steam outlet of the second distillation kettle 12 is communicated with a gas inlet of the second cooling tower 15, a condensate outlet of the second cooling tower 15 is respectively communicated with liquid inlets of the C receiving tank 13 and the D receiving tank 14, a liquid outlet of the D receiving tank 14 is communicated with a liquid inlet of the second conical storage tank 16, and a liquid outlet of the C receiving tank 13 is communicated with a liquid inlet of the finished product tank 17; the tail gas purification device comprises a water-sealed tank 20 and a chimney 21, the air outlets of the buffer tank 9 and the second conical storage tank 16 are respectively communicated with the inside of the water-sealed tank 20 through a vacuum pump, and the air outlet of the water-sealed tank 20 is communicated with the air inlet of the chimney 21; the device also comprises a pair of mixed liquid circulating devices and a pair of oil circulating devices, wherein the mixed liquid circulating devices comprise heat exchange pumps 22 and heat exchangers 23, a mixed liquid circulating inlet and a mixed liquid circulating outlet are respectively formed in the first metering tank 2 and the second metering tank 10, and the first metering tank 2 and the second metering tank 10 are internally circulated through the corresponding heat exchange pumps 22 and the corresponding heat exchangers 23 respectively; the oil circulation device comprises a hot oil pump 24 and a heating column 25, a circulating oil inlet and a circulating oil outlet are respectively arranged on the first distillation still 4 and the second distillation still 12, and the first distillation still 4 and the second distillation still 12 are internally circulated through the corresponding hot oil pump 24 and the corresponding heating column 25 respectively.
The refined base oil produced by the process has representative product quality index ranges as shown in table 1.
Table 1: technical index of refined base oil production
Claims (1)
1. A refining process for waste mineral raw oil is characterized by comprising the following steps:
s1, reaction toning: conveying the waste mineral raw oil to a first metering tank, adding a hydrazine hydrate auxiliary agent for reaction and color mixing until the chroma reaches 2.0-3.0, wherein the mass ratio of the waste mineral raw oil to the hydrazine hydrate auxiliary agent is 100:1-3, and the temperature is controlled at 120 ℃ during the reaction and color mixing; the hydrazine hydrate auxiliary agent is prepared by uniformly mixing hydrazine hydrate, sodium hydroxide and water, and the weight ratio is as follows: 8-12 parts of hydrazine hydrate, 55-65 parts of sodium hydroxide and 28-32 parts of water;
s2, primary distillation: conveying the waste mineral raw oil subjected to reaction color matching to a first distillation kettle for primary distillation to obtain a first fraction with the distillation range of 100-250 ℃, and then conveying the first fraction to a receiving tank;
s3, toning again: conveying the first fraction in the receiving tank to a second metering tank, then adding a hydrazine hydrate auxiliary agent for reaction color matching until the chroma reaches 1.0-1.5, wherein the mass ratio of the first fraction to the hydrazine hydrate auxiliary agent is 100:1-3, and the temperature is controlled at 100-120 ℃ in the reaction color matching process;
s4, secondary distillation: conveying the first fraction after the color mixing of the reaction to a second distillation kettle for second distillation to obtain a second fraction with the distillation range of 150-250 ℃, and conveying the obtained second fraction to a finished product tank to obtain refined base oil;
a refining system of a refining process of waste mineral raw oil comprises a raw material tank (1), a first reaction storage device, a second reaction storage device and a tail gas purification device, wherein the first reaction storage device comprises a first metering tank (2), a first auxiliary agent tank (3), a first distillation kettle (4), an A receiving tank (5), a B receiving tank (6), a first cooling tower (7), a first conical storage tank (8) and a buffer tank (9), liquid outlets of the raw material tank (1) and the first auxiliary agent tank (3) are respectively communicated with a liquid inlet of the first metering tank (2), a liquid outlet of the first metering tank (2) is communicated with a liquid inlet of the first distillation kettle (4), a steam outlet of the first distillation kettle (4) is communicated with a gas inlet of the first cooling tower (7), a condensate outlet of the first cooling tower (7) is respectively communicated with liquid inlets of the A receiving tank (5) and the B receiving tank (6), a liquid outlet of the B receiving tank (6) is communicated with a liquid inlet of the first conical storage tank (8), and a gas outlet of the first conical storage tank (8) is communicated with a gas inlet of the buffer tank (9); the second reaction storage device comprises a second metering tank (10), a second auxiliary agent tank (11), a second distillation kettle (12), a C receiving tank (13), a D receiving tank (14), a second cooling tower (15), a second conical storage tank (16) and a finished product tank (17), liquid outlets of the A receiving tank (5) and the second auxiliary agent tank (11) are respectively communicated with a liquid inlet of a second metering tank (10), a liquid outlet of the second metering tank (10) is communicated with a liquid inlet of a second distillation kettle (12), a steam outlet of the second distillation kettle (12) is communicated with a gas inlet of a second cooling tower (15), a condensate outlet of the second cooling tower (15) is respectively communicated with liquid inlets of a C receiving tank (13) and a D receiving tank (14), a liquid outlet of the D receiving tank (14) is communicated with a liquid inlet of a second conical storage tank (16), and a liquid outlet of the C receiving tank (13) is communicated with a liquid inlet of a finished product tank (17); the tail gas purification device comprises a water-sealed tank (20) and a chimney (21), gas outlets of the buffer tank (9) and the second conical storage tank (16) are respectively communicated with the inside of the water-sealed tank (20) through a vacuum pump, and a gas outlet of the water-sealed tank (20) is communicated with a gas inlet of the chimney (21); the system is also provided with a pair of mixed liquid circulating devices and a pair of oil circulating devices, wherein the mixed liquid circulating devices comprise heat exchange pumps (22) and heat exchangers (23), a mixed liquid circulating inlet and a mixed liquid circulating outlet are respectively formed in the first metering tank (2) and the second metering tank (10), and the first metering tank (2) and the second metering tank (10) are internally circulated through the corresponding heat exchange pumps (22) and the corresponding heat exchangers (23) respectively; the oil circulating device comprises a hot oil pump (24) and a heating column (25), a circulating oil inlet and a circulating oil outlet are respectively formed in the first distillation kettle (4) and the second distillation kettle (12), and the first distillation kettle (4) and the second distillation kettle (12) are internally circulated through the corresponding hot oil pump (24) and the corresponding heating column (25) respectively.
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| CN201810332000.XA CN109468163B (en) | 2018-04-13 | 2018-04-13 | Refining process for waste mineral raw oil |
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| CN201810332000.XA CN109468163B (en) | 2018-04-13 | 2018-04-13 | Refining process for waste mineral raw oil |
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| CN109468163B true CN109468163B (en) | 2021-04-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4038176A (en) * | 1976-03-22 | 1977-07-26 | Calgon Corporation | Oil soluble polymeric flocculants |
| KR890005042B1 (en) * | 1986-12-19 | 1989-12-08 | 김병태 | Reproducing method of wasted silicon oil |
| DE3900159A1 (en) * | 1989-01-04 | 1990-07-05 | Geut Ag | METHOD FOR REFURBISHING ALTOEL |
| US6362137B1 (en) * | 2000-02-29 | 2002-03-26 | Indian Oil Corporation | Process for preparing a corrosion inhibitor/metal passivator additive for lubricant, grease and fuel applications from waste refinery streams |
| CN1107109C (en) * | 2000-10-26 | 2003-04-30 | 中国石油化工股份有限公司 | Process for recovering waste oil |
| CN205129500U (en) * | 2015-08-20 | 2016-04-06 | 深圳市天得一环境科技有限公司 | Cutting fluid circulation recovery plant |
| CN208104304U (en) * | 2018-04-13 | 2018-11-16 | 湖北爱国石化有限公司 | A kind of mineral waste feedstock oil refinement system |
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