CN105255575A - Novel process of utilizing blast furnace titanium slag for adsorbing and regenerating waste lubricating oil - Google Patents
Novel process of utilizing blast furnace titanium slag for adsorbing and regenerating waste lubricating oil Download PDFInfo
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- CN105255575A CN105255575A CN201510699326.2A CN201510699326A CN105255575A CN 105255575 A CN105255575 A CN 105255575A CN 201510699326 A CN201510699326 A CN 201510699326A CN 105255575 A CN105255575 A CN 105255575A
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- blast furnace
- lubricating oil
- waste lubricating
- titaniferous slag
- absorption regeneration
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Abstract
The invention discloses a novel process of utilizing blast furnace titanium slag for adsorbing and regenerating waste lubricating oil. The process is characterized by comprising the steps of crushing, grinding and screening the blast furnace titanium slag, then adding the blast furnace titanium slag into an adsorption and regeneration reactor filled with the waste lubricating oil, stirring the waste lubricating oil with a stirrer, making the waste lubricating oil be subjected to an adsorption and regeneration reaction at the reaction temperature of 80-120 DEG C filtering the blast furnace titanium slag after the reaction is ended, and obtaining regenerated lubricating oil. The novel process is simple in process condition, little in investment, lower in operation cost and capable of effectively lowering cost of adsorption and regeneration of the waste lubricating oil. Meanwhile, activity of TiO<2> in the blast furnace titanium slag is utilized, blast furnace titanium slag serves as adsorbent, adsorption and regeneration of the waste lubricating oil are conducted, high added-value utilization of the blast furnace titanium slag can be achieved, and social benefits and economic benefits are fairly remarkable.
Description
Technical field
This patent belongs to the technical field of vanadium titano-magnetite comprehensive utilization, is the novel process that the blast furnace titaniferous slag produced for smelting vanadium-titanium magnetite by blast furnace fully utilizes.
Background technology
China's vanadium titano-magnetite aboundresources, proven reserve 98.3 hundred million tons, prospective reserves is more than 30,000,000,000 tons, and wherein, Flos Bombacis Malabarici titanium reserves account for more than 90% of domestic proven reserve, account for world saving 40%.The comprehensive utilization of the smelting of vanadium titano-magnetite and vanadium, titanium especially titanium resource, reduces the aspects such as the dependence on external supply of iron ore and strategic Precious Metals Resources utilization significant for China.At present, v-bearing titanomagnetite smelting is based on blast furnace.Be limited by the impact of blast-furnace slag mobility, blast furnace titaniferous slag TiO
2content is no more than 25% (mass percent) usually, and cause recovery and the comprehensive utilization difficulty of titanium resource, titanium slag is piled up serious.The current titanium slag of China is piled up close to 7,000 ten thousand tons, and annual still with the speed increase of millions of tons, to the pollution of environment and the loss of titanium resource very serious.Therefore, the comprehensive utilization of blast furnace titaniferous slag is very great for China's steel industry meaning.
Large owing to going out the quantity of slag blast furnace titaniferous slag year, single technique or industry can not consume the so large quantity of slag, and the Land use systems of diversification is inevitable selection.At present, the comprehensive utilization direction of blast furnace titaniferous slag mainly contains: cement admixture, pottery and industrial building materials field, blast furnace protecting material etc., and this kind of purposes fails the titanium resource in abundant recycle blast furnace titaniferous slag, and added value is lower.In addition, for the titanium metal how reclaimed in blast furnace titaniferous slag, Pan Gangdeng unit has carried out a large amount of experimental studies, achieves corresponding achievement in research, but there is no ripe industrialization technology at present, and cost recovery is simultaneously also higher.Therefore, how to realize the high value added utilization of blast furnace titaniferous slag, be the problem that steel close attention is especially climbed by Steel Plant of China always.
Summary of the invention
The object of the invention is to: utilize added value lower for current blast furnace titaniferous slag, titanium resource cannot be fully used and the problem such as recovery, proposes a kind of novel process utilizing blast furnace titaniferous slag absorption regeneration waste lubricating oil, TiO in this technology utilization blast furnace titaniferous slag
2activity, replace atlapulgite that waste lubricating oil absorption regeneration is conventional as sorbent material using blast furnace titaniferous slag, carry out the absorption regeneration of waste lubricating oil, to realize the high value added utilization of blast furnace titaniferous slag.
For achieving the above object, the invention provides following technical scheme:
A kind of novel process utilizing blast furnace titaniferous slag absorption regeneration waste lubricating oil, after blast furnace titaniferous slag fragmentation, grinding and screening, join and be equipped with in the absorption regeneration reactor of waste lubricating oil, under the temperature of reaction of 80 DEG C to 120 DEG C, and under the stirring of agitator, carry out the absorption regeneration reaction of waste lubricating oil, after reaction terminates, blast furnace titaniferous slag is filtered, obtains rerefined oil.
Further, the described blast furnace titaniferous slag through broken, grinding and screening, its size range is 75 microns ~ 106 microns.
Further, described blast furnace titaniferous slag, its TiO
2content be 20% ~ 25% (mass percent).
Further, the blast furnace titaniferous slag in the absorption regeneration reactor of waste lubricating oil is equipped with in described joining, and its add-on is 20% ~ 25% of waste lubricating oil quality.
Further, the mixing speed of described agitator is 800 revs/min ~ 1000 revs/min.
Further, described absorption regeneration reaction, its reaction times is 180 minutes ~ 240 minutes.
Further, the mass percent of the mechanical impurity of described waste lubricating oil is less than 3%, and kinematic viscosity is less than 70mm
2/ s, acid number is less than 2.5mgKOH/g.
Beneficial effect of the present invention is:
1) regeneration rate of waste lubricating oil is usually more than 50%, lacks understanding, cause the recovery degree of waste lubricating oil extremely low in current practical application to the value of waste lubricating oil.The inventive method utilizes TiO in blast furnace titaniferous slag
2activity, using blast furnace titaniferous slag as sorbent material, carry out the absorption regeneration of waste lubricating oil, profit is considerable, can realize the high value added utilization of blast furnace titaniferous slag;
2) the inventive method utilizes blast furnace titaniferous slag to carry out the absorption regeneration of waste lubricating oil as sorbent material, relative to the atlapulgite absorbent that waste lubricating oil absorption regeneration is conventional, blast furnace titaniferous slag belongs to solid waste as sorbent material and reclaims, cost advantage is fairly obvious, can effectively reduce the cost of waste lubricating oil absorption regeneration;
3) the inventive method utilizes blast furnace titaniferous slag to carry out the absorption regeneration of waste lubricating oil as sorbent material, processing condition are simple, less investment, running cost are lower, for significant the aspects such as the comprehensive utilization of China vanadium titano-magnetite and waste lubricant oil regeneration, Social benefit and economic benefit is fairly obvious.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is a kind of novel process schematic diagram utilizing blast furnace titaniferous slag absorption regeneration waste lubricating oil of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in the figure, a kind of novel process utilizing blast furnace titaniferous slag absorption regeneration waste lubricating oil of the present embodiment, comprises the following steps:
1) by after blast furnace titaniferous slag fragmentation, grinding and screening, join and be equipped with in the absorption regeneration reactor of waste lubricating oil, under the temperature of reaction of 80 DEG C to 120 DEG C, and under the stirring of agitator, carry out the absorption regeneration reaction of waste lubricating oil, after reaction terminates, blast furnace titaniferous slag is filtered, obtains rerefined oil;
2) above-mentioned steps 1) in, through blast furnace titaniferous slag that is broken, that grind and sieve, its size range is 75 microns ~ 106 microns.Meanwhile, TiO in blast furnace titaniferous slag
2content be 20% ~ 25% (mass percent);
3) above-mentioned steps 1) in, join the blast furnace titaniferous slag be equipped with in the absorption regeneration reactor of waste lubricating oil, its add-on is 20% ~ 25% of waste lubricating oil quality;
4) above-mentioned steps 1) in, in regeneration reactor, the mixing speed of agitator is 800 revs/min ~ 1000 revs/min, and the reaction times of absorption regeneration reaction is simultaneously 180 minutes ~ 240 minutes;
5) above-mentioned steps 1) in, the mass percent of the mechanical impurity of waste lubricating oil is less than 3%, and kinematic viscosity is less than 70mm
2/ s, acid number is less than 2.5mgKOH/g.
The present invention utilizes TiO in blast furnace titaniferous slag
2activity, the absorption regeneration of waste lubricating oil is carried out using blast furnace titaniferous slag as sorbent material, realize the high value added utilization of blast furnace titaniferous slag, for significant the aspects such as the comprehensive utilization of China vanadium titano-magnetite and waste lubricant oil regeneration, Social benefit and economic benefit is fairly obvious.
Simultaneously, in the inventive method, utilize blast furnace titaniferous slag to belong to solid waste as sorbent material and reclaim, relative to traditional atlapulgite absorption regeneration waste lubricating oil technique, the inventive method processing condition are simple, less investment, running cost are lower, can effectively reduce the cost of waste lubricating oil absorption regeneration.
First embodiment:
1) by after blast furnace titaniferous slag fragmentation, grinding and screening, obtain the blast furnace titaniferous slag that granularity is 75 microns, joined and be equipped with in the absorption regeneration reactor of waste lubricating oil, under the temperature of reaction of 80 DEG C, and under the stirring of agitator, carry out the absorption regeneration reaction of waste lubricating oil, after reaction terminates, blast furnace titaniferous slag is filtered, obtains rerefined oil.Wherein, the mixing speed of agitator is 800 revs/min, and the reaction times of absorption regeneration reaction is 180 minutes;
2) above-mentioned steps 1) in, join the blast furnace titaniferous slag be equipped with in the absorption regeneration reactor of waste lubricating oil, its TiO
2content be 20% (mass percent), simultaneously its add-on is 20% of waste lubricating oil quality;
3) above-mentioned steps 1) in, the mass percent of the mechanical impurity of waste lubricating oil is 2.9%, and kinematic viscosity is 69mm
2/ s, acid number is 2.4mgKOH/g.
The present embodiment utilizes TiO in blast furnace titaniferous slag
2activity, carry out the absorption regeneration of waste lubricating oil using blast furnace titaniferous slag as sorbent material, processing condition are simple, less investment, running cost are lower, and can effectively reduce the cost of waste lubricating oil absorption regeneration, Social benefit and economic benefit is fairly obvious.
Second embodiment:
1) by after blast furnace titaniferous slag fragmentation, grinding and screening, obtain the blast furnace titaniferous slag that granularity is 95 microns, joined and be equipped with in the absorption regeneration reactor of waste lubricating oil, under the temperature of reaction of 100 DEG C, and under the stirring of agitator, carry out the absorption regeneration reaction of waste lubricating oil, after reaction terminates, blast furnace titaniferous slag is filtered, obtains rerefined oil.Wherein, the mixing speed of agitator is 900 revs/min, and the reaction times of absorption regeneration reaction is 200 minutes;
2) above-mentioned steps 1) in, join the blast furnace titaniferous slag be equipped with in the absorption regeneration reactor of waste lubricating oil, its TiO
2content be 22% (mass percent), simultaneously its add-on is 23% of waste lubricating oil quality;
3) above-mentioned steps 1) in, the mass percent of the mechanical impurity of waste lubricating oil is 2.5%, and kinematic viscosity is 65mm
2/ s, acid number is 2.0mgKOH/g.
The present embodiment utilizes TiO in blast furnace titaniferous slag
2activity, carry out the absorption regeneration of waste lubricating oil using blast furnace titaniferous slag as sorbent material, processing condition are simple, less investment, running cost are lower, and can effectively reduce the cost of waste lubricating oil absorption regeneration, Social benefit and economic benefit is fairly obvious.
3rd embodiment:
1) by after blast furnace titaniferous slag fragmentation, grinding and screening, obtain the blast furnace titaniferous slag that granularity is 106 microns, joined and be equipped with in the absorption regeneration reactor of waste lubricating oil, under the temperature of reaction of 120 DEG C, and under the stirring of agitator, carry out the absorption regeneration reaction of waste lubricating oil, after reaction terminates, blast furnace titaniferous slag is filtered, obtains rerefined oil.Wherein, the mixing speed of agitator is 1000 revs/min, and the reaction times of absorption regeneration reaction is 240 minutes;
2) above-mentioned steps 1) in, join the blast furnace titaniferous slag be equipped with in the absorption regeneration reactor of waste lubricating oil, its TiO
2content be 25% (mass percent), simultaneously its add-on is 25% of waste lubricating oil quality;
3) above-mentioned steps 1) in, the mass percent of the mechanical impurity of waste lubricating oil is 2.3%, and kinematic viscosity is 62mm
2/ s, acid number is 1.5mgKOH/g.
The present embodiment utilizes TiO in blast furnace titaniferous slag
2activity, carry out the absorption regeneration of waste lubricating oil using blast furnace titaniferous slag as sorbent material, processing condition are simple, less investment, running cost are lower, and can effectively reduce the cost of waste lubricating oil absorption regeneration, Social benefit and economic benefit is fairly obvious.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (7)
1. one kind utilizes the novel process of blast furnace titaniferous slag absorption regeneration waste lubricating oil, it is characterized in that: after blast furnace titaniferous slag fragmentation, grinding and screening, join and be equipped with in the absorption regeneration reactor of waste lubricating oil, under the temperature of reaction of 80 DEG C to 120 DEG C, and under the stirring of agitator, carry out the absorption regeneration reaction of waste lubricating oil, after reaction terminates, blast furnace titaniferous slag is filtered, obtains rerefined oil.
2. utilize a novel process for blast furnace titaniferous slag absorption regeneration waste lubricating oil, it is characterized in that: the described blast furnace titaniferous slag through broken, grinding and screening, its size range is 75 microns ~ 106 microns.
3. utilize a novel process for blast furnace titaniferous slag absorption regeneration waste lubricating oil, it is characterized in that: described blast furnace titaniferous slag, its TiO
2content be 20% ~ 25% (mass percent).
4. utilize a novel process for blast furnace titaniferous slag absorption regeneration waste lubricating oil, it is characterized in that: the blast furnace titaniferous slag in the absorption regeneration reactor of waste lubricating oil is equipped with in described joining, its add-on is 20% ~ 25% of waste lubricating oil quality.
5. utilize a novel process for blast furnace titaniferous slag absorption regeneration waste lubricating oil, it is characterized in that: the mixing speed of described agitator is 800 revs/min ~ 1000 revs/min.
6. utilize a novel process for blast furnace titaniferous slag absorption regeneration waste lubricating oil, it is characterized in that: described absorption regeneration reaction, its reaction times is 180 minutes ~ 240 minutes.
7. utilize a novel process for blast furnace titaniferous slag absorption regeneration waste lubricating oil, it is characterized in that: the mass percent of the mechanical impurity of described waste lubricating oil is less than 3%, and kinematic viscosity is less than 70mm
2/ s, acid number is less than 2.5mgKOH/g.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510699326.2A CN105255575B (en) | 2015-10-26 | 2015-10-26 | A kind of technique using blast furnace titaniferous slag absorption regeneration waste lubricating oil |
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| CN201510699326.2A CN105255575B (en) | 2015-10-26 | 2015-10-26 | A kind of technique using blast furnace titaniferous slag absorption regeneration waste lubricating oil |
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| CN105255575A true CN105255575A (en) | 2016-01-20 |
| CN105255575B CN105255575B (en) | 2018-07-10 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003103160A (en) * | 2001-09-28 | 2003-04-08 | Nippon Steel Chem Co Ltd | Material recycle system of waste oil |
| CN103849455A (en) * | 2014-03-05 | 2014-06-11 | 重庆工商大学 | Method of reproducing lightly-degraded lubricating oil |
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2015
- 2015-10-26 CN CN201510699326.2A patent/CN105255575B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003103160A (en) * | 2001-09-28 | 2003-04-08 | Nippon Steel Chem Co Ltd | Material recycle system of waste oil |
| CN103849455A (en) * | 2014-03-05 | 2014-06-11 | 重庆工商大学 | Method of reproducing lightly-degraded lubricating oil |
Non-Patent Citations (1)
| Title |
|---|
| 张贤明等: "高炉钛渣综合利用研究现状及展望", 《环境工程》 * |
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Granted publication date: 20180710 Termination date: 20211026 |