CN109201757A - A kind of useless oil treatment process of steel rolling - Google Patents
A kind of useless oil treatment process of steel rolling Download PDFInfo
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- CN109201757A CN109201757A CN201811158560.4A CN201811158560A CN109201757A CN 109201757 A CN109201757 A CN 109201757A CN 201811158560 A CN201811158560 A CN 201811158560A CN 109201757 A CN109201757 A CN 109201757A
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- Prior art keywords
- acid
- steel rolling
- waste oil
- oil
- treatment process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0269—Cleaning
- B21B45/029—Liquid recovering devices
- B21B45/0296—Recovering lubricants
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention provides a kind of useless oil treatment process of steel rolling, includes the following steps: that (1) treatment fluid is added in waste oil and react, until reaching examination criteria；(2) reaction solution of detecting step (1), if pH value less than 6.5, is added alkaline powder, its pH value is adjusted to 7；Treatment fluid in the step (1) is mixed acid.Method of the invention reprocesses device without additional distillation etc., only by after inorganic agent and waste oil slow reaction, converts water-soluble solution for waste oil and metal impurities, treatment process is generated without useless cigarette, waste residue, exhaust gas and peculiar smell.
Description
Technical field
The present invention relates to the environmental protection treatments and reutilization technology of the processing technique of steel rolling waste oil more particularly to the steel rolling three wastes.
Background technique
Steel billet (steel ingot) is in heating and the operation of rolling, and hydraulic oil, gear lubricant, machine oil etc. are in use process
In, due to the oxidation of high temperature and air, meeting gradually aged deterioration is exhaled along with the metal powder that friction member is ground
Suction effect and other reasons and enter oil in moisture, the impurity invaded from environment not only polluted oil, but also can also promote
The oxidation of all kinds of steel rolling oil, and then constantly generate steel rolling waste oil.And with the upgrading of national development and steel industry, give up
Oil also accordingly increases.China-styled Certain Industry Field once used the methods of earthing backfill and access oiling, but Chinese Ministry of Environmental Protection's in January, 2018, publication " was closed
In the opinion for further carrying out the renovation of the dirt collecting pit pool ", strictly forbid this water quality or soil pollution method.The U.S. will then give up
Oily incineration process, but the heavy metallic oxide contained and the polycyclic virtue generated due to incomplete combustion in the flue gas generated that burns
Hydrocarbon oxide gets into the air and will cause pollution and the serious harm to human health, is unable to satisfy China for a large amount of steel rolling
The process demand of waste oil.China in Recent Years majority is re-refined using the processing of the adsorbents such as chemical substance treatments and carclazyte such as sulfuric acid
Process small lot waste oil, but sulfuric acid/carclazyte method can generate a large amount of acid sludges, and the acid sludge and carclazyte isolated, which can release, to be had
The sulfur dioxide gas and organic exhaust gas of intense irritation cause seriously to pollute to environment.Therefore Chinese Ministry of Environmental Protection's " waste mineral oil recycling
Utilize pollution control technology specification " (HJ 607-2011) regulation " should not use sulfuric acid/carclazyte method regeneration of waste mineral oil ".Steel rolling
Oil is the mixture of the metal powders such as vegetable oil, mineral oil, iron or zinc and water, using the methods of supercritical extract or low temperature distillation
It will cause secondary pollution emission behaviour, and the oil product recycled is due to aoxidizing and mixing so that quality is unable to satisfy demand.And it is same
When, water soluble phosphorous fertilizer, iron fertilizer, zinc fertilizer act on big, price in agricultural production, if can be converted to the composition of waste oil water-soluble
Property phosphate fertilizer, iron fertilizer, zinc fertilizer, nitrogenous fertilizer, potash fertilizer, not only whole steel rolling waste oil can all be handled, and it is high in agricultural to obtain circulation
Effect utilizes.
Summary of the invention
For in existing steel rolling waste oil disposal technology it is generally existing easily lead to secondary pollution, processing after waste oil cannot be again
Raw the problems such as using, present applicant proposes a kind of steel rolling waste oil disposal new methods.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of useless oil treatment process of steel rolling, includes the following steps:
(1) treatment fluid is added in waste oil and is reacted, the reaction solution of examination criteria must be reached；
(2) reaction solution of detecting step (1), if pH value less than 6.5, is added alkaline powder, its pH value is adjusted to 7；
Treatment fluid in the step (1) is mixed acid；The volume ratio of the treatment fluid and waste oil is 1:1.
Preferably, mixed acid described in the step (1) is the mixed acid of Etidronic Acid, orthophosphoric acid, phytic acid.
Preferably, in the mixed acid each component concentration be Etidronic Acid 3-5mol/l, orthophosphoric acid 0.1-0.5mol/l,
Phytic acid 0.5-1mol/l.
Preferably, reaction temperature is 20-30 DEG C in the step (1), and the time is 7-10 days.
Preferably, the examination criteria in the step (1) is that black waste oil becomes light green clear solution, and the solution is 6
It DEG C will not solidify, 0 DEG C can freeze, and 100 DEG C of solution can boil, and can not adsorb solute using magnet, and without any peculiar smell.
Preferably, the alkaline powder in the step (2) is potassium hydroxide or reduced iron powder.
One kind provided by the invention is efficient, easy steel rolling is given up oil treatment process is realized after steel rolling waste oil disposal in agriculture
It is efficiently utilized on industry fertilizer, solves the secondary pollution problems in steel rolling waste oil disposal.The present invention is suitable for various hydraulic oil, tooth
Take turns the steel rolling such as lubricating oil, machine oil oil.The landfill of steel rolling waste oil, burning, sulfuric acid/carclazyte method all because secondary pollution and
It is halted by environmental protection administration, the present invention can effectively solve the problems, such as processing overall process without discharge.When clear solution of the invention is formed
Afterwards, stable water-soluble iron fertilizer, zinc fertilizer, phosphate fertilizer can be prepared.Recycle the quality of waste oil due to oxidation etc. different from separation
Production requirement cannot be reached, the method for this cross-cutting comprehensive reutilization can solve Solid state fermentation and concentrated fertilizer preparation simultaneously
Two large problems, so that the processing for completing steel rolling waste oil is different from the method for the complex and expensives such as supercritical extract.
Specific embodiment
In order to better illustrate the present invention, technical solution in the embodiment of the present invention is clearly and completely retouched below
It states.
Embodiment 1
It by steel rolling waste oil, can be picked up with magnet detection, the sulfuric acid solution of 20 DEG C of addition 1mol/l, waste oil vigorous reaction makes
Indoor it must be filled with acid salt fog, trigger dark witch's alarm and then test termination.
Embodiment 2
(1) by steel rolling waste oil, potassium -1-hydroxy ethylidene-1,1-diphosphonic acid 3mol/l, the orthophosphoric acid 0.2mol/l of 20 DEG C of addition PH=7,
The mixed acid of phytic acid 0.5mol/l composition, no any salt fog generate；
(2) after standing 14 days, solution and waste oil are not any change, and fixed layering still occur, waste oil is in lower section, solution
Above.
Embodiment 3
(1) by steel rolling waste oil, the mixed acid of 20 DEG C of addition orthophosphoric acid 3mol/l, phytic acid 0.5mol/l compositions, without any salt
Mist generates；
(2) after standing 14 days, solution and waste oil are not any change, and fixed layering still occur, waste oil is in lower section, solution
Above.
Embodiment 4
(1) by steel rolling waste oil, the mixed acid of 20 DEG C of addition orthophosphoric acid 0.2mol/l, phytic acid 2mol/l compositions, without any salt
Mist generates；
(2) after standing 14 days, solution and waste oil are not any change, and fixed layering still occur, waste oil is in lower section, solution
Above.
Embodiment 5
(1) by steel rolling waste oil, 20 DEG C of addition Etidronic Acid 0.3mol/l, orthophosphoric acid 0.2mol/l, phytic acid 0.5mol/l group
At mixed acid, no any salt fog generates；
(2) after standing 7 days, solution is without color change, and waste oil is without significantly reducing；Do not stir standing 21, waste oil is molten on a small quantity
Solution, still there is fixed layering, waste oil is in lower section, and solution is above.
Embodiment 6
(1) by steel rolling waste oil, 20 DEG C of addition Etidronic Acid 3mol/l, orthophosphoric acid 0.2mol/l, phytic acid 0.5mol/l compositions
Mixed acid, steel rolling waste oil mixes with mixed acid equal proportion, and no any salt fog generates；
(2) after standing 1 day, there is green in solution, and waste oil starts slowly to reduce, and does not stir standing 7, and waste oil is all molten
Solution, pH value measure 3.8, and solution clarification, the peculiar smell after no vegetable oil is corrupt can not be picked up with magnet.It is sent into X-ray fluorescence spectra
Instrument measures several elementary compositions are as follows: and Fe 2042 ± 111ppm, Zn 2042 ± 82ppm, P 1618 ± 250ppm, K nd ±
250ppm, Cr nd ± 12ppm., KOH adjusting pH value is added and measures 6.9.
Embodiment 7
(1) by steel rolling waste oil, 20 DEG C of addition Etidronic Acid 3mol/l, orthophosphoric acid 0.2mol/l, phytic acid 0.5mol/l compositions
Mixed acid, steel rolling waste oil mixes with mixed acid equal proportion, and no any salt fog generates；
(2) after standing 1 day, there is green in solution, and waste oil starts slowly to reduce, and after stirring and placing 3, waste oil is all molten
Solution, pH value measure 3.8, and solution clarification, the peculiar smell after no vegetable oil is corrupt can not be picked up with magnet.
Embodiment 8
(1) waste oil, 25 DEG C of addition Etidronic Acid 3mol/l, orthophosphoric acid 0.2mol/l, phytic acid 0.5mol/l compositions will be produced
Mixed acid, steel rolling waste oil and mixed acid 3:1 ratio mix, and no any salt fog generates；
(2) after standing 1 day, there is green in solution, and waste oil starts slowly to reduce, and does not stir standing 7, and waste oil still has on a small quantity
Residue, solution clarification, pH value measure 6.9.Continuously add Etidronic Acid 3mol/l, orthophosphoric acid 0.2mol/l, phytic acid 0.5mol/l
The mixed acid of composition, waste oil all dissolve, and pH value measures 3.8, solution clarification, the peculiar smell after no vegetable oil corruption, with magnet without
Method picks up.
Embodiment 9
By steel rolling waste oil, 60 DEG C of addition Etidronic Acid 3mol/l, orthophosphoric acid 0.2mol/l, phytic acid 0.5mol/l are formed mixed
Acid is closed, explosive sputtering occurs for steel rolling waste oil, and experiment terminates.
By the comparison of embodiment 1 and 6, it may be seen that this method can effectively prevent the secondary dirt of acid mist of sulfuric acid process
Dye, and then industrial waste oil is effectively treated.By the comparison of embodiment 2 and 6, it may be seen that the sylvite of Etidronic Acid
Steel rolling waste oil can not be carried out to be effectively treated, and acid can then carry out steel rolling waste oil and be effectively treated.Pass through embodiment 3,4,5,8 and 6
Comparison, it may be seen that Etidronic Acid is the main ingredient that steel rolling waste oil is effectively treated, and the concentration of Etidronic Acid is answered
The excessive waste oil for being maintained at 1mol/l or more is more suitable for.By the comparison of embodiment 6 and 7, it may be seen that according to phosphine is replaced
Stirring and do not stir in sour treatment process can be achieved the technical solution, and stirring can accelerate the process of reaction.Pass through embodiment 6
With 9 comparison, it may be seen that cannot achieve the technical solution of heating in Etidronic Acid treatment process, because of the iron filings in oil
It can occur to explode and have to terminate the process reacted.It will be seen that main ingredient is can outside solution deoxygenation and nitrogen composition
The iron of dissolubility, zinc, phosphorus composition, other impurity such as Cr are considerably less, can be used as efficient Water soluble fertilizer raw material and supplied.
Each production link waste oil collecting of steel rolling is mixed, generally there are following characteristics, is in black asphalt cement shape, viscosity number
Larger and fluctuation range is larger (> 2000mPas)；With the peculiar smell that vegetable oil corruption degenerates, can be solidified at 6 DEG C or so；Inside has
A large amount of metal powders can directly be picked up waste oil with magnet, and heating can burst；Mixed acid is poured into waste oil, stands 7
Day, the disappearance of pitch shape waste oil can be observed, only transparent green solution residual.In addition to color is green transparent, it is general have with
Lower feature, viscosity number cause viscosimeter that can not measure close to zero, the peculiar smell that no vegetable oil corruption degenerates, no at 6 DEG C or so
It can solidify, but can freeze at 0 DEG C or so, can not be picked up with magnet, heating will not burst, and can boil in 100 DEG C of solution
It rises.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection of claims
Subject to range.
Claims (6)
- The oil treatment process 1. a kind of steel rolling is given up, which comprises the steps of:(1) treatment fluid is added in waste oil and is reacted, the reaction solution of examination criteria must be reached；(2) reaction solution of detecting step (1), if pH value less than 6.5, is added alkaline powder, its pH value is adjusted to 7；Treatment fluid in the step (1) is mixed acid；The volume ratio of the treatment fluid and waste oil is 1:1.
- The oil treatment process 2. steel rolling according to claim 1 is given up, which is characterized in that mixed described in the step (1) Acid is the mixed acid of Etidronic Acid, orthophosphoric acid, phytic acid.
- The oil treatment process 3. steel rolling according to claim 2 is given up, which is characterized in that each component is dense in the mixed acid Degree is Etidronic Acid 3-5mol/l, orthophosphoric acid 0.1-0.5mol/l, phytic acid 0.5-1mol/l.
- The oil treatment process 4. steel rolling according to claim 1 is given up, which is characterized in that reaction temperature in the step (1) It is 20-30 DEG C, the time is 7-10 days.
- The oil treatment process 5. steel rolling according to claim 1 is given up, which is characterized in that the detection mark in the step (1) Standard is that black waste oil becomes light green clear solution, which will not solidify at 6 DEG C, and 0 DEG C can freeze, and 100 DEG C of solution can boil, Solute can not be adsorbed using magnet, and without any peculiar smell.
- The oil treatment process 6. steel rolling according to claim 1 is given up, which is characterized in that the alkaline powder in the step (2) End is potassium hydroxide or reduced iron powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811158560.4A CN109201757A (en) | 2018-09-30 | 2018-09-30 | A kind of useless oil treatment process of steel rolling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811158560.4A CN109201757A (en) | 2018-09-30 | 2018-09-30 | A kind of useless oil treatment process of steel rolling |
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| CN109201757A true CN109201757A (en) | 2019-01-15 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1594412C3 (en) * | 1965-03-29 | 1979-05-10 | The Dow Chemical Co., Midland, Mich. (V.St.A.) | Oil-in-water emulsion |
| CN1325949A (en) * | 2000-05-27 | 2001-12-12 | 大连机床集团有限责任公司 | Process for regenerating emulsified oil from waste emulsified cutting fluid |
| CN101481195A (en) * | 2009-02-09 | 2009-07-15 | 武汉钢铁(集团)公司 | Anaerobic-aerobic combined biological treatment method for oily wastewater of cold rolling mill |
| CN105502704A (en) * | 2016-01-04 | 2016-04-20 | 河北农业大学 | Compound corrosion and scale inhibitor |
| CN105967350A (en) * | 2016-07-07 | 2016-09-28 | 安徽国能亿盛环保科技有限公司 | Enzyme-containing sewage treating agent and preparation method thereof |
-
2018
- 2018-09-30 CN CN201811158560.4A patent/CN109201757A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1594412C3 (en) * | 1965-03-29 | 1979-05-10 | The Dow Chemical Co., Midland, Mich. (V.St.A.) | Oil-in-water emulsion |
| CN1325949A (en) * | 2000-05-27 | 2001-12-12 | 大连机床集团有限责任公司 | Process for regenerating emulsified oil from waste emulsified cutting fluid |
| CN101481195A (en) * | 2009-02-09 | 2009-07-15 | 武汉钢铁(集团)公司 | Anaerobic-aerobic combined biological treatment method for oily wastewater of cold rolling mill |
| CN105502704A (en) * | 2016-01-04 | 2016-04-20 | 河北农业大学 | Compound corrosion and scale inhibitor |
| CN105967350A (en) * | 2016-07-07 | 2016-09-28 | 安徽国能亿盛环保科技有限公司 | Enzyme-containing sewage treating agent and preparation method thereof |
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