CN114798699B - Treatment process of aluminum oil sludge - Google Patents
Treatment process of aluminum oil sludge Download PDFInfo
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- CN114798699B CN114798699B CN202210738040.0A CN202210738040A CN114798699B CN 114798699 B CN114798699 B CN 114798699B CN 202210738040 A CN202210738040 A CN 202210738040A CN 114798699 B CN114798699 B CN 114798699B
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 118
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 105
- 239000010802 sludge Substances 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000008569 process Effects 0.000 title claims abstract description 25
- 239000003921 oil Substances 0.000 claims abstract description 76
- 239000002270 dispersing agent Substances 0.000 claims abstract description 57
- 238000000926 separation method Methods 0.000 claims abstract description 32
- 238000004821 distillation Methods 0.000 claims abstract description 17
- 239000010687 lubricating oil Substances 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 238000009775 high-speed stirring Methods 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 13
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 4
- 239000011259 mixed solution Substances 0.000 claims description 4
- 241000779819 Syncarpia glomulifera Species 0.000 claims description 3
- 239000001739 pinus spp. Substances 0.000 claims description 3
- 238000007781 pre-processing Methods 0.000 claims description 3
- 229940036248 turpentine Drugs 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 6
- 238000000053 physical method Methods 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 2
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000002920 hazardous waste Substances 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000001293 FEMA 3089 Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000003895 groundwater pollution Methods 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
A treatment process of aluminum oil sludge belongs to the technical field of oil sludge treatment, and comprises the following steps: firstly, pretreating aluminum oil sludge; coarse treatment of aluminum oil sludge; thirdly, fine separation treatment of the aluminum oil sludge; collecting the mixed liquid obtained in the second step and the third step into a distillation kettle, and respectively obtaining lubricating oil and a dispersing agent through reduced pressure distillation of the distillation kettle; and (4) respectively cleaning, drying and storing the aluminum scrap powder with different particle sizes obtained in the step (III). By improving the process flow, equipment and a dispersing agent, separating aluminum and oil substances in the aluminum oil sludge by a physical method at normal temperature, and finally obtaining commercial aluminum and oil, thereby realizing the recycling of resources.
Description
Technical Field
The invention belongs to the technical field of oil sludge treatment, and particularly relates to a treatment process of aluminum oil sludge.
Background
Along with the development of society, the demand of aluminum products is increasing day by day, and the generated aluminum waste is also increasing. According to statistics, the annual output of aluminum profiles in China is about 1200 ten thousand tons, and the total amount of aluminum-containing oil sludge generated is about 120 ten thousand tons. According to the book of national hazardous wastes 2021, aluminum sludge is classified as HW17, which is enough to show that at the national level, aluminum sludge and the harm brought by the aluminum sludge are very important and classified as hazardous solid waste management, and random disposal is not allowed.
Copper and aluminum cables are commonly used in the cable industry, wherein aluminum cables account for the majority of the cables due to their low cost, and a mixture of aluminum shavings and drawing oil (commonly referred to as "aluminum sludge") is produced from an aluminum ingot to an aluminum rod and finally from aluminum drawing during the processing and manufacturing of the cables. Aluminum sludge can cause great harm to the environment, air pollution, groundwater pollution and damage to building surfaces and soil.
The treatment of the aluminum oil sludge is always a difficult problem in the aluminum product processing industry, and the common treatment modes can be divided into the following two types: 1. the traditional treatment mode is damming and piling, so that the treatment occupies land resources, and causes environmental hazard, the treatment capacity is low, the aluminum oil sludge is alkaline, the surface of a building can be corroded in humid air, the salinization of soil is caused, the soil cannot be ploughed again, and permanent pollution is caused. Moreover, the damming and piling are expensive, troublesome, not environment-friendly and difficult to process. 2. After improvement, a high-temperature incineration separation method is adopted, the aluminum oil sludge is heated to more than 600 ℃ through a series of heating and oil-gas separation devices such as coal (gas), electricity and the like, oil and volatile matters in the aluminum oil sludge are separated, and aluminum is left, so that the separation of the oil and the aluminum is realized. This is the treatment method currently used by most manufacturers on the market. The method has the following disadvantages: 1) the temperature is high, which belongs to high energy consumption project and is in the same direction with national energy saving and environmental protection. 2) High temperature has high requirements on equipment materials, and the equipment is easy to damage. 3) The high temperature causes manual operation to be very inconvenient. 4) The fire-retardant fireproof material is inflammable, explosive, easy to cause safety accidents and frequent in fire catching.
Based on the above, a new environment-friendly, professional, environment-friendly and harmless aluminum sludge treatment technology is adopted urgently.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a treatment process of aluminum oil sludge, which separates aluminum and oil substances in the aluminum oil sludge by improving a process flow, equipment and a dispersing agent through a physical method at normal temperature, and finally obtains commercial aluminum and oil to realize the recycling of resources.
The technical scheme adopted by the invention is as follows: a treatment process of aluminum sludge, comprising the following steps:
preprocessing the aluminum oil sludge: manually removing large impurities in the aluminum oil sludge;
② coarse treatment of aluminum oil sludge: conveying the pretreated aluminum oil sludge to a high-speed stirring kettle by a spiral auger, fully stirring the aluminum oil sludge and a dispersant in the high-speed stirring kettle, and sequentially filtering and separating by virtue of a filter screen and a plate-and-frame filter press to obtain a mixed solution of the coarsely treated aluminum oil sludge and the dispersant and lubricating oil;
③ fine separation treatment of aluminum oil sludge: conveying the treated aluminum oil sludge to a high-speed stirring kettle by a spiral auger, fully stirring the aluminum oil sludge and a dispersing agent in the high-speed stirring kettle, and then obtaining mixed liquid of aluminum scrap powder with different particle sizes and the dispersing agent and lubricating oil by means of multi-stage separation of a multi-stage ultrasonic separation container;
collecting the mixed liquid obtained in the second step and the third step into a distillation kettle, and respectively obtaining lubricating oil and a dispersing agent through reduced pressure distillation of the distillation kettle;
and (4) respectively cleaning, drying and storing the aluminum scrap powder with different particle sizes obtained in the step (III).
Further, the dispersant distilled out of the distillation still is respectively conveyed into the high-speed stirring still and the multistage ultrasonic separation container by virtue of a conveying pump and a matched pipeline.
Further, the high-speed stirring kettle comprises a kettle body, an aluminum oil sludge feeding hole and a dispersing agent inlet which are arranged at the upper end of the kettle body, a discharging hole which is arranged at the bottom of the kettle body, a toothed stirrer, a middle stirrer and a bottom stirrer which are sequentially arranged in the kettle body from top to bottom by means of a driving motor and a rotating shaft, and a baffle plate which is arranged on the inner wall of the kettle body in a matching manner, wherein the dispersing agent inlet is connected with a dispersing agent charging tank.
Furthermore, the dentate stirrer is a stirring tooth with a central point fixed on the rotating shaft and horizontally arranged.
Further, the intermediate stirrer is two groups of stirring blades arranged on the rotating shaft.
Further, the bottom agitator includes a rake connected to a rotating shaft and an arcuate flight positioned on the rake.
Furthermore, the baffle plates are uniformly and circumferentially arranged in an amount of 2-5 by taking the central shaft of the kettle body as an axis.
Furthermore, the multistage ultrasonic separation containers are 3-6 groups of ultrasonic separation containers which are sequentially connected in series; the ultrasonic separation container comprises a container body, a feed inlet and a dispersing agent inlet which are arranged at the upper end of the container body, an aluminum powder discharge port and a mixture discharge port which are respectively arranged at the side part and the bottom of the container body, a screen which is arranged in the container body and is positioned below the aluminum powder discharge port, an auxiliary discharge mechanism which is arranged above the screen and is matched with the aluminum powder discharge port, and an ultrasonic oscillator arranged below the screen, wherein the dispersing agent inlet is connected with a dispersing agent charging tank.
Furthermore, the auxiliary discharging mechanism comprises a rotating shaft arranged at the central axis of the container body, a matched driving mechanism and a discharging scraper blade connected to the free end of the rotating shaft and matched with the aluminum powder discharging port.
Further, the dispersant components comprise by mass percent: 10-20% of dimethylbenzene, 20-30% of DMF, 25-35% of methanol, 10-20% of ethanol, 5-15% of white oil and 2-10% of turpentine.
The process principle of the invention is as follows: the dispersant is added into the aluminum oil sludge at normal temperature, aluminum scraps are separated out after high-speed dispersion is carried out through a high-speed stirring kettle and an ultrasonic separation container, and the residual lubricating oil is obtained after the mixture of the dispersant and the oil is simply distilled and the extractant is recovered. Because a high-temperature treatment process is not needed, the oxidation reaction of aluminum and lubricating oil is reduced, high-quality metal aluminum with higher economic value can be recovered, and the residual lubricating oil can be reused, so that the resource waste and the environmental pollution are obviously reduced, and the environment-friendly harmless treatment of the aluminum sludge in the aluminum product processing process is realized.
The beneficial effects produced by adopting the invention are as follows: by improving the process flow, equipment and a dispersing agent, after the aluminum oil sludge is subjected to rough treatment in a normal-temperature or low-temperature closed environment, a series of physical methods are adopted for treatment, so that aluminum and oil substances are separated, and the commercialized aluminum and oil are finally obtained, and the cyclic utilization of resources is realized. 2) The process of the invention has the following advantages: the treatment process is carried out in a closed environment on the ground, so that no secondary pollution is caused; no new hazardous waste is generated; the operation is carried out at normal temperature or low temperature, and the operability is strong; no environmental risk, no dangerous process and low energy consumption; the used raw materials and products can be recycled, and the resource waste is reduced.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic structural view of a high-speed stirred tank;
FIG. 3 is a schematic diagram of the construction of an ultrasonic separation vessel.
Detailed Description
Referring to fig. 1, a process for treating aluminum sludge comprises the following steps:
preprocessing aluminum oil sludge: manually removing large impurities in the aluminum oil sludge;
② coarse treatment of aluminum oil sludge: conveying the pretreated aluminum oil sludge to a high-speed stirring kettle 1 through a spiral auger 3, fully stirring the aluminum oil sludge and a dispersant in the high-speed stirring kettle 1, and sequentially filtering and separating by virtue of a filter screen 4 and a plate-and-frame filter press 5 to obtain a mixed solution of the coarsely treated aluminum oil sludge and the dispersant and lubricating oil;
performing coarse treatment on the aluminum oil sludge by adopting a filtering and stirring mode and the like to obtain relatively pure oil sludge without external solid impurities;
③ fine separation treatment of aluminum oil sludge: conveying the aluminum oil sludge treated in the step II to a high-speed stirring kettle 1 through a spiral auger 3, fully stirring the aluminum oil sludge and a dispersing agent in the high-speed stirring kettle 1, and then obtaining aluminum scrap powder with different particle sizes and a mixed solution of the dispersing agent and lubricating oil by means of multi-stage separation of a multi-stage ultrasonic separation container 2;
and (4) respectively cleaning, drying and storing the aluminum scrap powder with different particle sizes obtained in the step (III).
And (3) adding the roughly treated aluminum oil sludge into a specially-made high-speed stirring kettle 1, starting the equipment, adding a dispersing agent, uniformly mixing the materials, then feeding the materials into a multistage ultrasonic separation container 2, separating out aluminum scraps with different particle sizes, filtering, drying and storing.
Collecting the mixed liquid obtained in the second step and the third step into a distillation kettle 6, and respectively obtaining lubricating oil and a dispersing agent through reduced pressure distillation of the distillation kettle 6; the discharged mixed liquid is recycled in the distillation still 6, after reaching a certain amount, the mixed liquid is subjected to reduced pressure distillation and then is extracted, so that lubricating oil (for drawing aluminum rods) is separated and stored in a lubricating oil storage tank 8; the distilled dispersant is stored in a dispersant storage tank 9 for reuse by cooling with the aid of a cooler 7.
The dispersant in the dispersant storage tank 9 is respectively conveyed into the high-speed stirring kettle 1 and the multistage ultrasonic separation container 2 by a conveying pump and a matched pipeline.
The dispersant comprises the following components in percentage by mass: 10-20% of dimethylbenzene, 20-30% of DMF, 25-35% of methanol, 10-20% of ethanol, 5-15% of white oil and 2-10% of turpentine.
Xylene, a colorless transparent liquid, has a special odor of aromatic hydrocarbons; easy flowing and can be easily mixed with each other; ethanol, diethyl ether and many other organic solvents are miscible. DMF is N, N-dimethylformamide, a colorless transparent liquid, an organic compound and an excellent solvent with wide application range; except halogenated hydrocarbon, the additive can be mixed with water and most organic solvents at will, and has good dissolving capacity for various organic compounds and inorganic compounds. Methanol and ethanol are miscible with most organic solvents and are widely used as solvent solubilizers for organic chemical reactions. The white oil and turpentine oil are used for dissolving oil and fat substances and unsaturated organic substances respectively. The synergistic effect of the substances has very strong dissolving and dispersing effects on the aluminum oil sludge, and is suitable for the pretreatment process of the physical method for separating the aluminum oil sludge, and the recovery rate of oil in the aluminum oil sludge is high; the dispersing agent is simple to prepare and easy for industrial production.
Referring to the attached figure 2, the high-speed stirring kettle 1 comprises a kettle body 1-1, an aluminum oil sludge feeding port and a dispersing agent inlet which are arranged at the upper end of the kettle body 1-1, a discharging port arranged at the bottom of the kettle body 1-1, a toothed stirrer 1-2, a middle stirrer 1-3 and a bottom stirrer which are sequentially arranged in the kettle body 1-1 from top to bottom by means of a driving motor and a rotating shaft, and a baffle plate 1-5 which is arranged on the inner wall of the kettle body 1-1 in a matching manner, wherein the dispersing agent inlet is connected with a dispersing agent charging tank 10. The toothed stirrer 1-2 is a stirring tooth with a central point fixed on the rotating shaft and horizontally arranged. The middle stirrers 1-3 are two groups of stirring blades arranged on a rotating shaft. The bottom agitator comprises a rake 1-4-1 connected to a rotating shaft and an arc-shaped scraper 1-4-2 positioned at the rake 1-4-1. The baffle plates 1-5 are uniformly and circumferentially arranged 2-5 by taking the central shaft of the kettle body 1-1 as an axis.
The aluminum oil sludge enters the dispersant adding device in the kettle body 1-1, after the mixture of the aluminum oil sludge and the dispersant reaches a certain amount, the high-speed stirring kettle 1 is started, and the aluminum oil sludge and the dispersant are fully mixed by means of the functions of the dentate stirrer 1-2, the middle stirrer 1-3, the bottom stirrer and the baffle plate 1-5, so that the dispersing function of the dispersant reaches the highest.
Referring to fig. 3, the multistage ultrasonic separation vessel 2 is 3-6 groups of ultrasonic separation vessels which are sequentially connected in series; the ultrasonic separation container comprises a container body 2-1, a feed inlet and a dispersing agent inlet which are arranged at the upper end of the container body 2-1, an aluminum powder discharge port and a mixture discharge port which are respectively arranged at the side part and the bottom of the container body 2-1, a screen 2-2 which is arranged in the container body 2-1 and is positioned below the aluminum powder discharge port, an auxiliary discharge mechanism which is arranged above the screen 2-2 and is matched with the aluminum powder discharge port, and an ultrasonic oscillator 2-3 which is arranged below the screen 2-2, wherein the dispersing agent inlet is connected with a dispersing agent feed tank 10. The auxiliary discharging mechanism comprises a rotating shaft arranged at the central axis position of the container body 2-1, a matched driving mechanism and a discharging scraper blade 2-4 connected to the free end of the rotating shaft and matched with the aluminum powder discharging port. The screens 2-2 are sequentially arranged in the multistage ultrasonic separation container 2 according to the size of the aperture.
After the mixture of the aluminum oil sludge and the dispersing agent enters the ultrasonic separation container, the dispersing agent is added while the ultrasonic separation container is started, aluminum scraps with large particle sizes stay above the screen 2-2 under the action of the ultrasonic oscillator 2-3 and the screen 2-2, and the screened aluminum scraps are discharged from an aluminum powder discharge port by virtue of a discharge scraper 2-4 of the auxiliary discharge mechanism. And the mixture of the aluminum oil sludge and the dispersing agent from the mixture discharge port enters a next-stage ultrasonic separation container until entering a distillation kettle.
Claims (6)
1. The treatment process of the aluminum oil sludge is characterized by comprising the following steps:
preprocessing aluminum oil sludge: manually removing large impurities in the aluminum oil sludge;
② coarse treatment of aluminum oil sludge: conveying the pretreated aluminum oil sludge to a high-speed stirring kettle (1) through a spiral auger (3), fully stirring the aluminum oil sludge and a dispersant in the high-speed stirring kettle (1), and sequentially filtering and separating by virtue of a filter screen (4) and a plate-and-frame filter press (5) to obtain a mixed solution of the coarsely treated aluminum oil sludge and the dispersant and lubricating oil;
③ fine separation treatment of aluminum oil sludge: conveying the aluminum oil sludge treated in the step II to a high-speed stirring kettle (1) through a spiral auger (3), fully stirring the aluminum oil sludge and a dispersing agent in the high-speed stirring kettle (1), and then obtaining aluminum scrap powder with different particle sizes and a mixed liquid of the dispersing agent and lubricating oil by means of multistage separation of a multistage ultrasonic separation container (2);
collecting the mixed liquid obtained in the second step and the third step into a distillation kettle (6), and respectively obtaining lubricating oil and a dispersing agent through reduced pressure distillation of the distillation kettle (6);
respectively cleaning, drying and storing the aluminum scrap powder with different particle sizes obtained in the step three;
the high-speed stirring kettle (1) comprises a kettle body (1-1), an aluminum oil sludge feeding hole and a dispersing agent inlet which are arranged at the upper end of the kettle body (1-1), a discharging hole which is arranged at the bottom of the kettle body (1-1), a toothed stirrer (1-2), a middle stirrer (1-3) and a bottom stirrer which are sequentially arranged in the kettle body (1-1) from top to bottom by means of a driving motor and a rotating shaft, and a baffle plate (1-5) which is arranged on the inner wall of the kettle body (1-1) in a matching way, wherein the dispersing agent inlet is connected with a dispersing agent feeding tank (10);
the multistage ultrasonic separation containers (2) are 3-6 groups of ultrasonic separation containers which are sequentially connected in series; the ultrasonic separation container comprises a container body (2-1), a feed inlet and a dispersing agent inlet which are arranged at the upper end of the container body (2-1), an aluminum powder discharge port and a mixture discharge port which are respectively arranged at the side part and the bottom part of the container body (2-1), a screen (2-2) which is arranged in the container body (2-1) and is positioned below the aluminum powder discharge port, an auxiliary discharge mechanism which is arranged above the screen (2-2) and is matched with the aluminum powder discharge port, and an ultrasonic oscillator (2-3) which is arranged below the screen (2-2), wherein the dispersing agent inlet is connected with a dispersing agent feeding tank (10);
the auxiliary discharging mechanism comprises a rotating shaft arranged at the central axis position of the container body (2-1), a matched driving mechanism and a discharging scraper (2-4) which is connected to the free end of the rotating shaft and matched with the aluminum powder discharging port;
the dispersant comprises the following components in percentage by mass: 10-20% of dimethylbenzene, 20-30% of DMF, 25-35% of methanol, 10-20% of ethanol, 5-15% of white oil and 2-10% of turpentine.
2. The process of treating aluminum sludge as claimed in claim 1, wherein: the dispersant distilled from the distillation kettle (6) is respectively conveyed into the high-speed stirring kettle (1) and the multistage ultrasonic separation container (2) by a conveying pump and a matched pipeline.
3. The process of treating aluminum sludge as claimed in claim 1, wherein: the toothed stirrer (1-2) is a stirring tooth with a central point fixed on the rotating shaft and arranged horizontally.
4. The process of treating aluminum sludge as claimed in claim 1, wherein: the middle stirrers (1-3) are two groups of stirring blades arranged on the rotating shaft.
5. The process of treating aluminum sludge as claimed in claim 1, wherein: the bottom stirrer comprises a harrow frame (1-4-1) connected to a rotating shaft and an arc-shaped scraper (1-4-2) positioned on the harrow frame (1-4-1).
6. The process of treating aluminum sludge as claimed in claim 1, wherein: the baffle plates (1-5) are uniformly and circumferentially arranged by taking the central shaft of the kettle body (1-1) as an axis by 2-5.
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| JP2009106802A (en) * | 2007-10-26 | 2009-05-21 | Tokyo Electric Power Co Inc:The | Pcb-containing oil sludge treatment method |
| CN201579044U (en) * | 2009-12-27 | 2010-09-15 | 安徽八一化工股份有限公司 | Magnetic hydriding reactor |
| CN102030452B (en) * | 2010-11-05 | 2012-01-25 | 合肥国化石油环保有限公司 | Harmless treatment method and device of oil sludge |
| CN106147978A (en) * | 2015-04-27 | 2016-11-23 | 宝钢不锈钢有限公司 | For rolling device and the using method thereof of greasy filth solid-liquid separation and resource reclaim |
| CN204877331U (en) * | 2015-06-03 | 2015-12-16 | 江阴东辰钻探设备有限公司 | Processing apparatus of environmental protection integrated form well drilling discarded object |
| CN106966558B (en) * | 2017-02-15 | 2018-06-19 | 唐晓东 | A kind of processing method of saponification water and greasy filth |
| CN108341570B (en) * | 2018-04-23 | 2023-12-05 | 鞍山缘友诚技术有限公司 | Pollution-free recycling treatment method and system for iron-containing oil sludge |
| CN211329340U (en) * | 2019-07-22 | 2020-08-25 | 福建科宏生物工程股份有限公司 | Inner coil pipe reaction kettle |
| CN111233243A (en) * | 2020-01-15 | 2020-06-05 | 吴爱义 | Magnetic filter material circulating and regenerating treatment process |
| CN111206152B (en) * | 2020-01-20 | 2022-01-11 | 江苏铜海环保技术有限公司 | Method for recovering metal powder from metal sludge |
| CN111945004A (en) * | 2020-08-11 | 2020-11-17 | 山东工业职业学院 | Treatment method for recovering oil phase and micron-sized metal powder in rolling oil sludge |
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