CN111892947A - Waste oil treatment system - Google Patents
Waste oil treatment system Download PDFInfo
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- CN111892947A CN111892947A CN202010790129.2A CN202010790129A CN111892947A CN 111892947 A CN111892947 A CN 111892947A CN 202010790129 A CN202010790129 A CN 202010790129A CN 111892947 A CN111892947 A CN 111892947A
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- Prior art keywords
- oil
- treatment system
- adsorption
- waste
- demulsification
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- 239000002699 waste material Substances 0.000 title claims abstract description 63
- 238000001914 filtration Methods 0.000 claims abstract description 37
- 238000001179 sorption measurement Methods 0.000 claims abstract description 32
- 238000003756 stirring Methods 0.000 claims abstract description 14
- 239000012071 phase Substances 0.000 claims abstract description 12
- 238000009210 therapy by ultrasound Methods 0.000 claims abstract description 9
- 239000007790 solid phase Substances 0.000 claims abstract description 8
- 239000000243 solution Substances 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- 239000008394 flocculating agent Substances 0.000 claims description 11
- 239000007800 oxidant agent Substances 0.000 claims description 9
- 230000001590 oxidative effect Effects 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 8
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 7
- 150000007522 mineralic acids Chemical class 0.000 claims description 7
- 239000000839 emulsion Substances 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 239000010913 used oil Substances 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims 2
- 238000013019 agitation Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 description 59
- 238000000034 method Methods 0.000 description 10
- 238000000926 separation method Methods 0.000 description 7
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000002199 base oil Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
Images
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
- C10G53/08—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only including at least one sorption 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)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention relates to a waste oil treatment system. The treatment system comprises an ultrasonic pretreatment device, a stirring device, a centrifugal device and a first adsorption demulsification filtering device; the waste oil is treated by an ultrasonic pretreatment device, a stirring device and a centrifugal device to obtain a solid phase and an oil phase; the invention finishes the treatment of waste oil by simple ultrasonic treatment, demulsification and adsorption and then passing through the adsorption demulsification filtering device again, and has good treatment efficiency.
Description
Technical Field
The invention relates to a waste oil treatment system.
Background
In industrial production, a large amount of hydraulic oil, aluminum oil, gear oil, drawing oil, etc. are used. These oils produce a large amount of waste oil containing a large amount of base oil, but the waste oil also contains a large amount of carbon powder, metal powder, inorganic powder, plastic particles, high molecular impurities, emulsified water, sulfides, and the like. For example, the main components of the waste oil are base oil, oiliness agent, extreme pressure agent, coagulation agent and the like, at present, part of the waste oil is added into asphalt for paving traffic roads, the rest of the waste oil is used as fuel, and the content of dust, sulfur, nitrogen, oxygen and other harmful components contained in the waste oil exceeds the standard, so that the development, purification and recovery of the waste oil have wide market prospect.
CN200910107262.7 discloses a waste oil treatment system and method, the waste oil treatment system includes: the primary separation device is used for carrying out primary separation of oil, water and slag on the waste oil; a decoloring device for decoloring the waste oil; and the core membrane separation device is connected between the primary separation device and the decolorization device, and the core membrane can pass through a polymerization layer of oil molecules, water molecules and solid molecules. The invention can treat the waste oil quickly, reliably and environmentally, and then obtain high-quality oil products. The raw materials of the patent are three easily separated components of oil, water and slag, the physical properties of the three components are greatly different, and the three components can be separated only by physical methods such as sedimentation, membrane separation, adsorption and the like; when the waste oil core membrane is filtered to treat the waste oil residues, the phenomena of blockage and low flow rate often occur, so that the treatment efficiency is greatly reduced, and the phenomenon that the product purity does not reach the standard occurs; and natural sedimentation is adopted during primary separation, so that the speed is low, and the treatment time is long.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides a waste oil treatment system which comprises an ultrasonic pretreatment device, a stirring device, a centrifugal device and a first adsorption demulsification filtering device;
the waste oil is treated by an ultrasonic pretreatment device, a stirring device and a centrifugal device to obtain a solid phase and an oil phase;
and treating the oil phase by using a first adsorption demulsification filtering device to obtain a recovered oil product.
The treatment system also comprises a filter-pressing collection device, an ultrasonic treatment device, a filtering and deslagging device and a second adsorption demulsification filtering device;
and the solid phase is treated by a filter-pressing collection device and an ultrasonic treatment device to obtain an emulsion solution, the emulsion solution is treated by a filtering and deslagging device to obtain a waste residue solution, and the waste residue solution is treated by a second adsorption demulsification filtering device to obtain a dischargeable aqueous solution.
And a flocculating agent is added into the ultrasonic pretreatment device in the treatment process.
And adding an oxidant into the waste residue solution, and then passing through a second adsorption demulsification filtering device.
The usage amount of the flocculant is 1-5% of the mass of the waste oil, and the flocculant consists of 100 parts by weight of water, 20-80 parts by weight of inorganic acid and 5-15 parts by weight of aluminum flocculant.
And carbonate accounting for 1-5% of the mass of the waste oil is added into the stirring device in the treatment process.
The usage amount of the oxidant is 1-5% of the mass of the waste residue solution.
The filter element of the first adsorption demulsification filtering device is foamed plastic.
The filter element of the second adsorption demulsification filtering device is foamed plastic.
The invention completes the treatment of the waste oil by simple ultrasound, demulsification, adsorption and then passing through the adsorption demulsification filtering device again, and has good treatment efficiency.
The above-described and other features, aspects, and advantages of the present application will become more apparent with reference to the following detailed description.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic representation of a waste oil treatment system.
Reference numerals:
the device comprises an ultrasonic pretreatment device 1, a stirring device 2, a centrifugal device 3, a first adsorption demulsification filtering device 4, a filter-pressing collecting device 5, an ultrasonic treatment device 6, a filtering deslagging device 7 and a second adsorption demulsification filtering device 8.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.
As shown in FIG. 1, the waste oil treatment system comprises an ultrasonic pretreatment device, a stirring device, a centrifugal device and a first adsorption demulsification filtering device; the waste oil is treated by an ultrasonic pretreatment device, a stirring device and a centrifugal device to obtain a solid phase and an oil phase; and treating the oil phase by using a first adsorption demulsification filtering device to obtain a recovered oil product. The treatment system also comprises a filter-pressing collection device, an ultrasonic treatment device, a filtering and deslagging device and a second adsorption demulsification filtering device; and the solid phase is treated by a filter-pressing collection device and an ultrasonic treatment device to obtain an emulsion solution, the emulsion solution is treated by a filtering and deslagging device to obtain a waste residue solution, and the waste residue solution is treated by a second adsorption demulsification filtering device to obtain a dischargeable aqueous solution. The ultrasonic pretreatment device is added with a flocculating agent in the treatment process, and the stirring device is added with carbonate in the treatment process. And adding an oxidant into the waste residue solution, and then passing through a second adsorption demulsification filtering device. The filter element of the first adsorption demulsification filtering device is foamed plastic. The filter element of the second adsorption demulsification filtering device is foamed plastic.
Example 1
By adopting the treatment method, the waste oil (with the water content of 12 percent and the ash content of 8 percent) in the aluminum industry is added with a flocculating agent to be subjected to ultrasonic pretreatment for 10 minutes, carbonate is added to be stirred for 10 minutes, centrifugal separation is carried out, and the separated oil phase is filtered by foamed plastic with the particle size of 1-50 microns to obtain the recovered oil product in the aluminum industry. And (3) carrying out filter pressing and ultrasonic treatment on the obtained solid phase, filtering, adding an oxidant to react for 10 minutes, filtering by adopting foamed plastic with the particle size of 1-50 microns, and separating to obtain a dischargeable water solution. The using amount of the flocculating agent is 2.5 percent of the mass of the waste oil in the aluminum industry, and the flocculating agent consists of 100 parts by weight of water, 60 parts by weight of inorganic acid and 8 parts by weight of aluminum flocculating agent. And 3 percent of sodium bicarbonate of the mass of the waste oil in the aluminum industry is added into the stirring device in the treatment process. The amount of the oxidant (10% aqueous hydrogen peroxide solution) used was 3% by mass of the waste residue solution. The water content of the recycled waste oil is 0.1 percent, and the ash content is 0.006 percent.
Example 2
By the treatment method of the foregoing example 1, the used amount of the flocculant, which is composed of 100 parts by weight of water, 50 parts by weight of an inorganic acid, and 12 parts by weight of an aluminum-based flocculant, was 2.5% by mass of the used oil of aluminum industry (water content 12%, ash content 8%). And 3 percent of sodium bicarbonate of the mass of the waste oil in the aluminum industry is added into the stirring device in the treatment process. The amount of the oxidant (10% aqueous hydrogen peroxide solution) used was 3% by mass of the waste residue solution. The water content of the recycled waste oil is 0.1 percent, and the ash content is 0.005 percent.
Comparative example 1
As in example 1, no inorganic acid was added. The water content of the recycled waste oil is 2 percent, and the ash content is 0.36 percent.
Comparative example 2
As in example 1, no ultrasonic pretreatment was employed. The water content of the recycled waste oil is 0.8 percent, and the ash content is 0.015 percent.
Comparative example 3
As in example 1, no sodium bicarbonate was added. The water content of the recycled waste oil is 1.1 percent, and the ash content is 0.12 percent.
Comparative example 4
As in example 1, no adsorption demulsification filtration step was employed. The water content of the recycled waste oil is 2.5 percent, and the ash content is 0.46 percent.
According to the invention, the flocculant containing inorganic acid and the carbonate are added in sequence, so that the oil phase in the waste oil can be separated more efficiently and more quickly under the ultrasonic pretreatment condition. And treating the oil phase by using foamed plastic to obtain a recovered oil product. Solid and water in the waste oil are treated by flocculating agent, ultrasonic, inorganic acid, carbonate and foamed plastic, and the removal efficiency is very high. The waste oil with the separated oil phase is subjected to filter pressing, filtering to remove slag and oxidizing treatment by adding an oxidant solution to obtain the dischargeable water.
Compared with the traditional treatment mode, the method directly adopts acid to treat the solid impurities, is favorable for separating oil, water and the solid impurities, and removes a small amount of water in the oil phase by utilizing the compatibility of the foamed plastic and the base oil.
The invention completes the treatment of the waste oil by simple ultrasound, demulsification, adsorption and then passing through the adsorption demulsification filtering device again, and has good treatment efficiency.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and the description is given here only for clarity, and those skilled in the art should integrate the description, and the embodiments may be combined appropriately to form other embodiments understood by those skilled in the art.
Claims (10)
1. A waste oil treatment system is characterized by comprising an ultrasonic pretreatment device, a stirring device, a centrifugal device and a first adsorption demulsification filtering device;
the waste oil is treated by an ultrasonic pretreatment device, a stirring device and a centrifugal device to obtain a solid phase and an oil phase;
and treating the oil phase by using a first adsorption demulsification filtering device to obtain a recovered oil product.
2. The waste oil treatment system of claim 1, further comprising a filter-press collection device, an ultrasonic treatment device, a filtration and deslagging device, a second adsorption demulsification filtration device;
and the solid phase is treated by a filter-pressing collection device and an ultrasonic treatment device to obtain an emulsion solution, the emulsion solution is treated by a filtering and deslagging device to obtain a waste residue solution, and the waste residue solution is treated by a second adsorption demulsification filtering device to obtain a dischargeable aqueous solution.
3. An oil treatment system according to claim 2, wherein said ultrasonic pretreatment means adds a flocculating agent during the treatment.
4. An oil treatment system according to claim 2, wherein the stirring means adds carbonate during treatment.
5. An oil waste treatment system as claimed in claim 2, wherein said waste solution is passed through a second adsorption demulsification filtering means after addition of said oxidizer.
6. The used oil treatment system of claim 2, wherein the filter element of the first adsorption demulsification filtering device is a foam.
7. The waste oil treatment system of claim 2, wherein the filter element of the second adsorption demulsification filter device is a foam.
8. A waste oil treatment system according to claim 3, wherein said flocculating agent is used in an amount of 1 to 5% by mass of the waste oil, and said flocculating agent is composed of 100 parts by weight of water, 20 to 80 parts by weight of an inorganic acid, and 5 to 15 parts by weight of an aluminum-based flocculating agent.
9. An oil treatment system according to claim 4, wherein the agitation means adds 1-5% carbonate by mass of the oil during treatment.
10. A waste oil treatment system as claimed in claim 5, in which the oxidant is used in an amount of 1-5% by mass of the waste solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010790129.2A CN111892947A (en) | 2020-08-07 | 2020-08-07 | Waste oil treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010790129.2A CN111892947A (en) | 2020-08-07 | 2020-08-07 | Waste oil treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111892947A true CN111892947A (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010790129.2A Pending CN111892947A (en) | 2020-08-07 | 2020-08-07 | Waste oil treatment system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012250225A (en) * | 2011-06-07 | 2012-12-20 | Horibe Yoshikazu | Method for treating palm waste oil |
| CN103013557A (en) * | 2012-12-27 | 2013-04-03 | 北京惠博普能源技术有限责任公司 | Aged effluent oil treatment technology used for oil fields and oil refineries |
| CN105837004A (en) * | 2016-04-07 | 2016-08-10 | 中国石油天然气股份有限公司 | Method and device for quickly dehydrating and reducing sludge with high water content and low oil content |
| CN106630246A (en) * | 2015-11-02 | 2017-05-10 | 张家港格林台科环保设备有限公司 | Waste emulsion demulsification processing method |
| CN212335123U (en) * | 2020-08-07 | 2021-01-12 | 金碳环境科技（天津）有限公司 | Waste oil treatment system |
-
2020
- 2020-08-07 CN CN202010790129.2A patent/CN111892947A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012250225A (en) * | 2011-06-07 | 2012-12-20 | Horibe Yoshikazu | Method for treating palm waste oil |
| CN103013557A (en) * | 2012-12-27 | 2013-04-03 | 北京惠博普能源技术有限责任公司 | Aged effluent oil treatment technology used for oil fields and oil refineries |
| CN106630246A (en) * | 2015-11-02 | 2017-05-10 | 张家港格林台科环保设备有限公司 | Waste emulsion demulsification processing method |
| CN105837004A (en) * | 2016-04-07 | 2016-08-10 | 中国石油天然气股份有限公司 | Method and device for quickly dehydrating and reducing sludge with high water content and low oil content |
| CN212335123U (en) * | 2020-08-07 | 2021-01-12 | 金碳环境科技（天津）有限公司 | Waste oil treatment system |
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