CN1059695C - Process for extracting crude oil from waste oil sludge - Google Patents
Process for extracting crude oil from waste oil sludge Download PDFInfo
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- CN1059695C CN1059695C CN98113781A CN98113781A CN1059695C CN 1059695 C CN1059695 C CN 1059695C CN 98113781 A CN98113781 A CN 98113781A CN 98113781 A CN98113781 A CN 98113781A CN 1059695 C CN1059695 C CN 1059695C
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- oil
- agitator
- liquid
- crude oil
- parting liquid
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Abstract
The present invention relates to a comprehensive treating method of the recovery of crude oil and environmental protection for oil fields. In the method, oil sludge is treated by the steps of preparing separating liquid, heating the separating liquid, adding oil sludge into the separating liquid, mixing and stirring, separating oil from water, etc. Crude oil can be extracted from waste oil sludge by the method to obtain a certain amount of crude oil and great economic benefit, the pollution of oil sludge to the environment can be eliminated, and great expenses on pollution treatment and environmental protection are saved. The method has the advantages of simple technology, easy operation, and easy popularization and application.
Description
The present invention relates to a kind of comprehensive processing technological process that is used for crude oil recovery, environment protection.
, part crude oil open flow is arranged inevitably or be carried into soil oil ground or well site by oil pipe, sucker rod, pump and other subsurface tools particularly in well recovery production and the borehole operation construction process in oil-field development, these crude oil infiltrate surface soils, form greasy filth; In addition, various oil tanks also can produce some greasy filth in natural subsidence.Owing to can't handle these greasy filth at present, both caused the crude oil loss, contaminate environment again, the annual very big pollution damages of payment amount that needs increases the oil-field development cost.It is investigated at present greasy filth is not still had not only economy but also gratifying treating method, particularly utilize again to lack effective processing method at greasy filth.
The object of the present invention is to provide a kind of not only economy but also from waste oil sludge, extract the processing method of crude oil effectively.
The present invention realizes like this.This processing method is according to the following steps greasy filth to be handled after waste oil sludge is transported to greasy filth treatment plant:
1, preparation parting liquid.Earlier add entry in agitator, add a certain amount of concentration again and be the amine carbonate solution of 2--3% and concentration and be 1% washing composition 6501 solution, three's weight ratio is: 96: 2--3: 1.With preparation 1m
3Parting liquid is an example, adds water 0.96m
3, add 20--30kg carboxamide and 10kg washing composition 6501 again.
2, heating and separating liquid.In agitator, feed steam or adopt calrod that the parting liquid in the agitator is heated.For increasing work efficiency, reduce unproductive time, can when in agitator, adding water, heat.
3, add greasy filth, mix and stir.When the parting liquid temperature reaches more than 40 ℃, in agitator, add greasy filth, continuing to heat keeps stable to 55--65 ℃, and the volume ratio of greasy filth and parting liquid is 1: 1; Start agitator, mixed stir about 1.5--2 hour, stop to stir, precipitate 10 minutes.
4, open pump, the liquid after handling is carried out oily water separation.Start sump pump, the liquid of handling in the agitator, precipitating is squeezed into water-and-oil separator, crude oil is separated with parting liquid; The crude oil that obtains after separating is squeezed into oil tank, parting liquid is squeezed in the agitator and can be reused, can use for brickmaking after remaining sand is discharged.
The major advantage of processing method provided by the present invention is:
1, turning waste into wealth, is that raw material extracts crude oil with depleted greasy filth, obtains a certain amount of crude oil and considerable economic, and the residue sand then can be used to brickmaking;
2, eliminate the pollution of greasy filth, reduce and administer the workload of polluting, protecting environment, save a large sum of expense environment;
3 technologies are simple, and are easy to implement.
The extraction yield that adopts the present invention to extract crude oil from greasy filth can reach 88%.
Claims (1)
1, a kind of processing method of extracting crude oil from waste oil sludge is characterized in that this processing method is that waste oil sludge is handled according to the following steps:
A, preparation parting liquid: add entry to agitator earlier, add the carbon amide solution of concentration 2--3% and washing composition 6501 solution of concentration 1% again; The weight proportion of water, carboxamide, washing composition 6501 is: 96: 2--3: 1;
B, heating and separating liquid: in agitator, feed steam or adopt calrod that parting liquid is heated;
C, adding greasy filth, mix and stir: when the parting liquid temperature reaches more than 40 ℃, add greasy filth in agitator, continuing to heat keeps stable to 55-65 ℃, and the volume ratio of greasy filth and parting liquid is 1: 1; Start agitator, mixed stir about 1.5--2 hour, stop to stir, precipitate 10 minutes;
D, open pump, the liquid after handling is carried out oily water separation: start sump pump, the liquid after handling in the agitator is squeezed into water-and-oil separator, crude oil is separated with parting liquid; The crude oil that obtains after separating is squeezed into oil tank, parting liquid is squeezed in the agitator reused, can use for brickmaking after remaining sand is discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98113781A CN1059695C (en) | 1998-02-24 | 1998-02-24 | Process for extracting crude oil from waste oil sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98113781A CN1059695C (en) | 1998-02-24 | 1998-02-24 | Process for extracting crude oil from waste oil sludge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1195017A CN1195017A (en) | 1998-10-07 |
| CN1059695C true CN1059695C (en) | 2000-12-20 |
Family
ID=5223481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98113781A Expired - Fee Related CN1059695C (en) | 1998-02-24 | 1998-02-24 | Process for extracting crude oil from waste oil sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1059695C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102417825A (en) * | 2011-10-17 | 2012-04-18 | 中国石油天然气股份有限公司 | Ground crude oil treating agent and using method thereof |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101144024B (en) * | 2007-08-27 | 2011-06-08 | 刘关生 | Method for separating petroleum from petroleum sludge |
| CN101186401B (en) * | 2007-12-18 | 2010-06-02 | 黄大军 | Oil mud harmless treatment and resource reclamation method |
| CN101629095A (en) * | 2009-07-28 | 2010-01-20 | 王银岭 | Combined automatic purification method of dirty oil and scum and device thereof |
| CN102765911A (en) * | 2012-07-23 | 2012-11-07 | 梁玉海 | Method for manufacturing building materials by sludge sand of oil extraction |
| CN104276736B (en) * | 2013-07-03 | 2016-04-06 | 抚顺中海石油化工有限公司 | Shale oil soil treatment technique |
| CN106734172A (en) * | 2017-01-11 | 2017-05-31 | 王传庆 | A kind of processing method containing waste mineral oil soil |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4981579A (en) * | 1986-09-12 | 1991-01-01 | The Standard Oil Company | Process for separating extractable organic material from compositions comprising said extractable organic material intermixed with solids and water |
| CN1052322A (en) * | 1990-06-15 | 1991-06-19 | 贾茂郎 | Oil sludge separation method and equipment |
| US5288391A (en) * | 1989-12-21 | 1994-02-22 | Exxon Research & Engineering Company | Rendering oily wastes landtreatable or usable |
| JPH09176659A (en) * | 1995-12-25 | 1997-07-08 | Shimizu Corp | Method for purifying oil-containing sludge |
-
1998
- 1998-02-24 CN CN98113781A patent/CN1059695C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4981579A (en) * | 1986-09-12 | 1991-01-01 | The Standard Oil Company | Process for separating extractable organic material from compositions comprising said extractable organic material intermixed with solids and water |
| US5288391A (en) * | 1989-12-21 | 1994-02-22 | Exxon Research & Engineering Company | Rendering oily wastes landtreatable or usable |
| CN1052322A (en) * | 1990-06-15 | 1991-06-19 | 贾茂郎 | Oil sludge separation method and equipment |
| JPH09176659A (en) * | 1995-12-25 | 1997-07-08 | Shimizu Corp | Method for purifying oil-containing sludge |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102417825A (en) * | 2011-10-17 | 2012-04-18 | 中国石油天然气股份有限公司 | Ground crude oil treating agent and using method thereof |
| CN102417825B (en) * | 2011-10-17 | 2013-12-04 | 中国石油天然气股份有限公司 | Ground crude oil treating agent and using method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1195017A (en) | 1998-10-07 |
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