CN109183750B - Oil absorption equipment - Google Patents

Oil absorption equipment Download PDF

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Publication number
CN109183750B
CN109183750B CN201810852084.XA CN201810852084A CN109183750B CN 109183750 B CN109183750 B CN 109183750B CN 201810852084 A CN201810852084 A CN 201810852084A CN 109183750 B CN109183750 B CN 109183750B
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oil absorption
solution
oil
mrf
graphene oxide
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CN109183750A (en
Inventor
钱正楠
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Yancheng Dezheng Machinery Co ltd
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Yancheng Dezheng Machinery Co ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B15/00Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/10Devices for removing the material from the surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28002Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
    • B01J20/28009Magnetic properties
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B15/00Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/10Devices for removing the material from the surface
    • E02B15/101Means floating loosely on the water absorbing the oil
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00Aspects relating to sorbent materials
    • B01J2220/40Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/42Materials comprising a mixture of inorganic materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00Aspects relating to sorbent materials
    • B01J2220/40Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48Sorbents characterised by the starting material used for their preparation
    • B01J2220/4806Sorbents characterised by the starting material used for their preparation the starting material being of inorganic character
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00Aspects relating to sorbent materials
    • B01J2220/40Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48Sorbents characterised by the starting material used for their preparation
    • B01J2220/4812Sorbents characterised by the starting material used for their preparation the starting material being of organic character
    • B01J2220/4825Polysaccharides or cellulose materials, e.g. starch, chitin, sawdust, wood, straw, cotton
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20Controlling water pollution; Waste water treatment
    • Y02A20/204Keeping clear the surface of open water from oil spills

Abstract

The invention provides novel oil absorption equipment, and particularly relates to the novel oil absorption equipment which comprises novel oil absorption cotton, wherein the novel oil absorption cotton is made of rice bran, the novel oil absorption cotton provided by the invention is large in adsorption capacity, can reach 32 times of self weight, is quick in adsorption and is suitable for industrial or offshore use; clean, light and fast; can be repeatedly used, has stable property, does not have chemical reaction with pollutants, is safe and environment-friendly, does not support combustion, does not rot or mildew, and only has 0.01 percent of high-temperature incineration ash.

Description

Oil absorption equipment
Technical Field
The invention relates to the field of petroleum machinery, in particular to oil absorption equipment.
Background
In recent years, offshore oil leakage accidents occur continuously, and the pollution consequences of each major oil leakage accident to the ocean are difficult to estimate no matter the oil tanker is out of service or the offshore oil field is leaked. After the crude oil leaks to the ocean, an oil film covers the ocean surface, so that the gas exchange between the ocean and the atmosphere is weakened, the photosynthesis of marine plants is influenced, and the whole ocean ecological environment is damaged; meanwhile, petroleum pollutants interfere with the ability of organisms to feed, reproduce, grow, behave and chemotaxis. Furthermore, petroleum itself is a carcinogenic, mutagenic substance.
After an ecological disaster such as an offshore oil leakage accident occurs, the treatment of leaked oil becomes troublesome, in the process of cleaning after a large continuous oil leakage accident, fishermen salvage oil by using barrels under the condition of lacking basic protection equipment, the measures with lower technical content show very effective effects, but the cost is also high, the cleaned fishermen and workers lack basic protection equipment, and the health condition is damaged in different degrees after being exposed in Volatile Organic Compounds (VOC) and polycyclic aromatic hydrocarbon environments for a long time.
With the technological progress, physical, chemical and biological degradation methods are more and more used for treating oil leakage accidents, and the methods have advantages, but have defects of different degrees in actual operation, for example, the physical oil-surrounding method has a wide application range, but is greatly influenced by weather factors, the smooth proceeding of oil removal is limited by too low visibility and other poor weather conditions, and operators are required to be exposed to polluted environment; the chemical dispersant is toxic and can cause secondary pollution to the ocean; direct microbial delivery to degrade petroleum takes a long time and is good at treating only thin oil layers.
The invention provides an oil absorption device, which integrates a physical and biological oil removal method, has high oil removal efficiency and is environment-friendly, and crude oil can be recovered.
Disclosure of Invention
In order to solve the technical problem, the invention provides oil absorption equipment.
The invention is realized by the following technical scheme:
the oil absorption equipment comprises oil absorption cotton, and the raw material of the oil absorption cotton is rice bran.
Further, the specific preparation steps of the oil-absorbing cotton are as follows:
step one, stirring 100g of sterilized rice bran to 100 meshes, and mixing with 30g of Fe (NO)3)3Soaking in 50ml ethanol for 20 min, drying at 65 deg.C for 2 hr, and mixing with Fe (NO)3)3Carbonizing the mixture for 2 hours in a nitrogen atmosphere tube furnace at 700 ℃, wherein the heating rate is 5 ℃/min, the obtained product is named as magnetic valley fibrous carbon material MRF, washing the MRF for 5 minutes by using 0.2mol/L carbonyl sulfide, and drying the MRF for 2 hours at 65 ℃ to obtain a pre-product MRF-T;
step two, adding a graphene oxide solution into the MRF-T;
and step three, placing 50g of MRF-T into a 5% graphene oxide solution, reacting for 2 hours at 125 ℃, stirring all the time in the reaction process, placing the mixture into a mold, reducing the reaction temperature to 25 ℃ and standing overnight, and precipitating the product for 2 hours by using double distilled water to obtain the oil absorption cotton, wherein the shape of the environment-friendly oil absorption cotton is determined by the mold.
Further, the preparation method of the graphene oxide solution is as follows: dispersing natural graphite in sulfuric acid, dissolving the natural graphite in a sodium nitrate solution, adding potassium permanganate into the solution, standing the solution for 12 hours, mixing the solution with hydrogen peroxide to remove the potassium permanganate, placing the solution in a centrifuge to dissociate the solution to form distilled water and graphene oxide, finally cleaning the graphene oxide, and adjusting the pH level to 6.5 to obtain a graphene oxide solution.
The oil absorption cotton provided by the invention has large adsorption capacity which can be 32 times of self weight, is quick in adsorption and is suitable for industrial or offshore use; clean, light and fast; can be repeatedly used, has stable property, does not have chemical reaction with pollutants, is safe and environment-friendly, does not support combustion, does not rot or mildew, and only has 0.01 percent of high-temperature incineration ash.
Drawings
FIG. 1 is a schematic view of an intelligent petroleum machine for offshore oil removal according to the present invention,
fig. 2 is a top view of the intelligent petroleum machinery oil absorption module in a working state.
The system comprises a 1-oil absorption module, a 2-intelligent module, a 3-driving module, a 4-recovery tank, a 11-solar storage battery, a 12-replaceable bioreactor, a 13-oil absorption bin, a 14-electric push rod, a 15-rotating motor, 16-oil absorption cotton, a 17-oil absorption pump, an 18-valve, a 21-position sensor, a 22-optical sensor, a 31-left electric motor, a 32-left propeller, a 33-right electric motor and a 34-right propeller.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below.
Example 1:
as shown in fig. 1, the oil suction device provided by the invention is an intelligent petroleum machine, which comprises a petroleum cleaning machine body, wherein the petroleum cleaning machine body is respectively provided with an oil suction module 1, an intelligent module 2, a driving module 3 and a recovery tank 4 from top to bottom. The top of the oil absorption module 1 is provided with a solar storage battery 11, the central axis direction is provided with a replaceable bioreactor 12, the periphery of the replaceable bioreactor 12 is respectively and uniformly provided with eight groups of oil absorption bins 13, an electric push rod 14 is arranged inside each oil absorption bin 13, the tail end of the electric push rod 14 is connected with a rotating motor 15, the rotating motor 15 drives oil absorption cotton 16 to perform rotary motion, the outer wall of each oil absorption bin 13 is provided with an electric cabin door, the oil absorption bins 13 are connected with the replaceable bioreactor 12 through an oil absorption pump 17, the replaceable bioreactor 12 comprises a bioreactor body, filler and microorganisms attached to the filler, the replaceable bioreactor is taken out periodically to perform rejuvenation and supplement on the internal biological filler, the bottom of the replaceable bioreactor is provided with a valve 18, the intelligent module 2 is internally provided with an intelligent control system, The position sensor 21 and the optical sensor 22, the driving module 3 is provided with a left electric motor 31, a left propeller 32, a right electric motor 33, a right propeller 34 and a left and right overflowing hole, the overflowing holes are used for reducing the resistance of the device when the device moves in water, and the bottom of the valve 18 is provided with a pipeline connected to the recovery tank 4.
Example 2:
as shown in fig. 1 and 2, the work flow of the intelligent petroleum machine is as follows:
firstly, the intelligent petroleum machinery is placed on a petroleum polluted sea surface, and in an initial state, the oil absorption module is in a retracted state. After the oil absorption cotton enters the working state, the intelligent control system starts to send instructions to drive the eight groups of oil absorption bins to open the electric cabin door, the electric push rod pushes the oil absorption cotton out of the oil absorption bins, and the oil absorption cotton rotates at a low speed under the driving of the rotating motor to clean leaked oil on the sea surface.
Meanwhile, under the feedback of the position sensor and the optical sensor, the intelligent control system controls the left electric motor and/or the right electric motor to drive the left propeller and/or the right propeller, so that the intelligent petroleum machinery is driven to move to the adjacent polluted sea area, and oil absorption work is continued.
When the oil absorption cotton is fully loaded, the intelligent control system drives the electric push rod to recover the oil absorption cotton into the oil absorption bin, an electric cabin door of the oil absorption bin is closed, the oil absorption cotton rotates at a high speed under the drive of the rotating motor, oil in the oil absorption cotton is separated from the oil absorption cotton under the action of centrifugal force and flows back to the bottom of the oil absorption bin, then the oil absorption cotton enters the replaceable bioreactor under the drive of the oil absorption pump, the oil absorption cotton is pushed out again after the oil removal is finished, the cleaning work is continued, leaked oil is degraded by microorganisms in the replaceable bioreactor, the bottom valve is controlled to be opened by the intelligent control system, and a product flows through a pipeline to be stored in a recovery tank.
The replaceable bioreactor is provided with Roseomonas (Roseomonas mucosa), Arthrobacter simplex (Latin Name Arthrobacter simplex (Jensen) Lochhead), rhodobacter rhodochrous (rhodomarinobacter sp. nov), Xanthomonas oryzae (Xanthomonas oryzae), psychrophilus iceryi (Psychrobacter glacticola), Campylobacter poensis (Alcanivorax borkuensis), Acinetobacter calcoaceticus (Acinetobacter calcoaceticus), enterococcus faecalis (Acinetobacter faecalis), Campylobacter methylotrophicus (Methylophilus dry powder), Methylomonas methylotrophicus (Methylomonas methylobacter), Methylobacterium (CGMCC), Nocardia (Nocardia), Octococcus Sarcina), and Flavobacterium lutescens (Flavobacterium sp.), and a mixture of the strains is placed in a counter-strain storage reactor according to a ratio of a mixed culture period, and is mixed with other counter-strain (ATCC) and is placed in a mixed reactor according to a mixed ratio of the above-stage CC, and a mixed culture method is introduced.
Example 3: preparation of environment-friendly oil absorption cotton
The oil absorption equipment comprises oil absorption cotton which is environment-friendly oil absorption cotton. The environment-friendly oil absorption cotton is prepared from rice bran serving as a raw material, wherein the rice is the first large grain variety in China, and the annual yield is about 1.85 hundred million tons at present, and accounts for 42 percent of the total grain yield in China. The rice yield in the world accounts for 37% of the total grain yield. The rice bran is mainly prepared by processing the seed coat, the endosperm, the aleurone layer and the embryo of the paddy, so a small amount of rice hulls and a certain amount of dust and microorganisms can be mixed in the processing process, and the rice bran can only be used for feed and cannot exert the economic benefit to the maximum extent. The raw material used by the environment-friendly oil absorption cotton provided by the invention is the rice bran eliminated in the rice processing process, and the method comprises the following specific steps:
step one, the magnetic carbon material adopts rice bran as a carbon-silicon raw material, 100g of sterilized rice bran is stirred to 100 meshes and then is mixed with 30g of Fe (NO)3)3Soaking in 50ml ethanol for 20 min, drying at 65 deg.C for 2 hr, and mixing with Fe (NO)3)3Placing the mixture in a nitrogen atmosphere tube furnace at 700 ℃ for carbonization for 2 hours, wherein the heating rate is 5 ℃/min. The obtained product was named magnetic valley fibrous carbon material (MRF material for short). After washing MRF with 0.2mol/L carbonyl sulfide for 5 minutes, the MRF is dried for 2 hours at 65 ℃ to obtain a pre-product MRF-T.
Step two, adding a graphene oxide solution (GO) into the MRF-T, wherein the preparation method of the graphene oxide solution comprises the following steps: referring to Hummers' method, natural graphite is dispersed in sulfuric acid and dissolved with a sodium nitrate solution, then potassium permanganate is added thereto, after standing for 12 hours, the solution is mixed with hydrogen peroxide to remove potassium permanganate, placed in a centrifuge to dissociate the solution and form distilled water and graphene oxide, finally graphene oxide is washed, and the pH level is adjusted to 6.5 to obtain a GO solution.
And step three, placing 50g of MRF-T into a 5% GO solution, reacting for 2 hours at 125 ℃, stirring all the time in the reaction process, placing the mixture into a mold, reducing the reaction temperature to 25 ℃ and standing overnight, and precipitating the product for 2 hours by using double distilled water to obtain the environment-friendly oil absorption cotton, wherein the shape of the environment-friendly oil absorption cotton is determined by the mold and can be customized according to a specific use scene.
Example 4: performance detection of prepared environment-friendly oil absorption cotton
The oil absorption effect test is carried out by adopting four oil products with different viscosities, such as soybean oil, lubricating oil, diesel oil and olive oil, the test comprises the oil absorption multiplying power of environment-friendly oil absorption cotton and other three commercially available oil absorption materials, and the test results are shown in table 1, namely the environment-friendly oil absorption cotton, the test 2 (a certain commercially available brand), the test 3 (a certain commercially available brand) and the test 4 (a certain commercially available brand).
TABLE 1 oil absorption Capacity (g/g) test results
Oil product Test 1 Test 2 Test 3 Test 4
Diesel oil 32.73 15.37 14.38 15.63
Soybean oil 32.32 15.34 12.43 19.36
Lubricating oil 36.42 29.49 13.93 26.38
Olive oil 41.03 19.75 10.58 17.47
The experiment result shows that the oil absorption multiplying power of the environment-friendly oil absorption cotton is obviously higher than that of other three commercially available brands because the surface of the environment-friendly oil absorption cotton is in an uneven corrugated structure, the specific surface area is increased by the structure, the oil absorption storage is facilitated, the contact angle of the environment-friendly oil absorption cotton to water is as high as 134 ℃, and water drops on the surface of the environment-friendly oil absorption cotton are kept to be spherical until being dry, so that the environment-friendly oil absorption cotton is extremely high in hydrophobicity and has sponginess-like consistency.
Because of the different seasons of the oil spill accident, the influence of temperature on the oil absorption performance of the film-coated CVL needs to be examined, the used oil product is diesel oil, and the results are detailed in Table 2.
TABLE 2 Effect of temperature on oil absorption Properties of overlay film-CVL (g/g)
Temperature of 1℃ 5℃ 10℃ 15℃ 20℃ 25℃
Oil absorption multiplying power 28.86 27.41 30.15 29.13 28.34 31.67
As can be seen from Table 2, temperature had some but not significant effect on the oil absorption effect of the coated-CVL.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.

Claims (2)

1. An oil absorption device is characterized in that the oil absorption device is respectively provided with an oil absorption module, an intelligent module, a driving module and a recovery tank from top to bottom, a solar storage battery is arranged at the top of the oil absorption module, a replaceable bioreactor is arranged in the direction of a center shaft, eight groups of oil absorption bins are uniformly arranged around the replaceable bioreactor respectively, an electric push rod is arranged in each oil absorption bin, the tail end of the electric push rod is connected with a rotating motor, the rotating motor drives the oil absorption cotton to perform rotary motion, the outer wall of the oil absorption bin is provided with an electric cabin door, the oil absorption bins are connected with the replaceable bioreactor through an oil absorption pump, the replaceable bioreactor comprises a bioreactor body, filler and microorganisms attached to the filler, the replaceable bioreactor is taken out periodically to perform rejuvenation and supplement to the internal biological filler, but substitution bioreactor bottom is provided with the valve, is provided with intelligent control system, position sensor and optical sensor in the intelligent object, and drive module is provided with left electric motor, left screw, right electric motor, right screw and controls each discharge orifice, and the discharge orifice is used for reducing the resistance of equipment when aquatic motion, and there is a pipeline to be connected to the recovery tank valve bottom, the cotton raw and other materials of oil absorption are the corn rice bran, the cotton concrete preparation step of oil absorption is as follows:
step one, stirring 100g of sterilized rice bran to 100 meshes, and mixing with 30g of Fe (NO)3)3Soaking in 50ml ethanol for 20 min, drying at 65 deg.C for 2 hr, and mixing with Fe (NO)3)3Carbonizing the mixture for 2 hours in a nitrogen atmosphere tube furnace at 700 ℃, wherein the heating rate is 5 ℃/min, the obtained product is named as magnetic valley fibrous carbon material MRF, washing the MRF for 5 minutes by using 0.2mol/L carbonyl sulfide, and drying the MRF for 2 hours at 65 ℃ to obtain a pre-product MRF-T;
step two, adding a graphene oxide solution into the MRF-T;
and step three, placing 50g of MRF-T into a 5% graphene oxide solution, reacting for 2 hours at 125 ℃, stirring all the time in the reaction process, placing the mixture into a mold, reducing the reaction temperature to 25 ℃ and standing overnight, and precipitating the product for 2 hours by using double distilled water to obtain the oil absorption cotton, wherein the shape of the environment-friendly oil absorption cotton is determined by the mold.
2. An oil absorption apparatus according to claim 1 wherein the graphene oxide solution is prepared by the following method: dispersing natural graphite in sulfuric acid, dissolving the natural graphite in a sodium nitrate solution, adding potassium permanganate into the solution, standing the solution for 12 hours, mixing the solution with hydrogen peroxide to remove the potassium permanganate, placing the solution in a centrifuge to dissociate the solution to form distilled water and graphene oxide, finally cleaning the graphene oxide, and adjusting the pH level to 6.5 to obtain a graphene oxide solution.
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Publication number Priority date Publication date Assignee Title
CN109319944A (en) * 2018-10-09 2019-02-12 盐城德正机械有限公司 A kind of environmental-friendly oil degradation is mechanical
CN110339621A (en) * 2019-07-23 2019-10-18 江苏首盾耐磨材料有限公司 A kind of oil plant separator for wear-resistant material

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CN103623776A (en) * 2013-11-22 2014-03-12 重庆工商大学 Method for preparing iron-based magnetic activated carbon by catalytic activation of radix puerariae waste residue with compound enzyme
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