CN110257125A - A kind of greasy filth fuel slug and preparation method thereof - Google Patents
A kind of greasy filth fuel slug and preparation method thereof Download PDFInfo
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- CN110257125A CN110257125A CN201910602548.6A CN201910602548A CN110257125A CN 110257125 A CN110257125 A CN 110257125A CN 201910602548 A CN201910602548 A CN 201910602548A CN 110257125 A CN110257125 A CN 110257125A
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- Prior art keywords
- greasy filth
- preparation
- oil
- modifying agent
- fuel slug
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/008—Sludge treatment by fixation or solidification
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/48—Solid fuels essentially based on materials of non-mineral origin on industrial residues and waste materials
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L9/00—Treating solid fuels to improve their combustion
- C10L9/10—Treating solid fuels to improve their combustion by using additives
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Abstract
The present invention relates to a kind of greasy filth fuel slugs and preparation method thereof.The method are as follows: exploitation greasy filth obtains waste oil and greasy filth, is dehydrated to greasy filth, obtains dewatered sludge；Waste oil and dewatered sludge are uniformly mixed, just contaminated product mud is obtained, greasy filth modifying agent is then in ancient times added in contaminated product mud and is uniformly mixed, pretreatment greasy filth is obtained；The greasy filth modifying agent includes auxiliary material 50~66.5%, curing agent 13~27.5%, calcium oxide 3~10%, bentonite 3~15% and cement 0.3~5% by percentage to the quality, and auxiliary material is agricultural organic waste and/or industrial solid castoff；It will be placed at room temperature after pretreatment greasy filth molding, greasy filth fuel slug be made.The present invention can fully achieve in oily sludge hole greasy filth it is innoxious, clean and recycling treatment, the content of the substances such as the heavy metal leached and the dioxin contained is extremely low in the combustion product flying dust of greasy filth fuel slug made of capable of making, can direct emission without secondary treatment.
Description
Technical field
The present invention relates to oily sludge technical field of modification more particularly to a kind of greasy filth fuel slug and preparation method thereof.
Background technique
With the development of petroleum industry, the yield of oily sludge is more and more.Oily sludge, i.e. oil sludge and sand, refer in original
Oil exploitation collects a large amount of oily solid sludges generated during defeated, refining etc., is generally divided into Sludge in Oilfields and petrochemical industry
The oily sludge that industry (mainly oil plant) generates.Sludge in Oilfields includes that landing is generated in oilfield development process containing greasy dirt
Mud, oily waste concentration bank up oil pit, generates in multi-purpose station production run and generates in tank bottom oily sludge and sewage plant operation
Oily sludge.
Oily sludge refers to crude oil or product oil is mixed into soil or other media, and oil therein cannot be recycled directly and possibility
The mixture of the variform of environmental pollution is caused, oily sludge is primarily generated at oil field and oil plant.
General oil content about 15~20% in oily sludge, moisture content about 60~70% and solid content about 15~20%.Contain
Greasy dirt is bulky, if not being pocessed direct emission, not only occupies a large amount of arable lands, and to surrounding soil, water body, air
It will all pollute, be generated with foul gas, sludge contains the weight such as a large amount of pathogen, helminth, Yi Jitong, zinc, chromium, mercury
Metal, the additionally poisonous and harmful substance difficult to degrade containing salt and Polychlorinated biphenyls, dioxin, radionuclide etc., these
Waste so that noxious material be made to enter food chain, and can influence the body of people by the growth and development of influence crops
Health.The processing of oily sludge is always a great problem for perplexing petroleum and petrochemical industry.
Oily sludge is valuable secondary resource, such as arbitrarily discharges without processing and not only causes huge break to environment
It is bad, and be also the huge waste to resource.Increasingly strict and perfect with environmental regulation, oily sludge is innoxious, cleaning
Change, resource treatment technique will become the inexorable trend that sludge disposal technology develops.
The method of existing processing oily sludge mainly has: incineration method, pyrogenic process, landfill method, extraction, pyrolysismethod, solidification
Method, chemical demulsification method and biological harnessing method etc., although these processing methods are able to carry out greasy filth utility to a certain extent
Recycling, but environment can be caused to pollute again, and need to put into very big cost, cheat processing there are oily sludge and throw
The problem that money is big, treatment effeciency is low.Chinese patent application CN201710309039.5 discloses a kind of greasy filth modifying agent and its changes
Property the processing greasy filth method that is converted into New Regenerated solid fuel, although the patent application can carry out at chemical modification greasy filth
Reason will be converted into solid fuel after greasy filth modification, but the regenerable solid fuel generated in the patent application fires in the later period
The content that the poisonous and harmful substances such as the dioxin of content of beary metal and generation are leached in the flying dust generated after burning is still higher, still
There are problems that environment can be caused to pollute again；Basically, the prior art does not reach the harmless treatment of greasy filth
And resource utilization.
Therefore, it is highly desirable to provide the new method that a kind of modification greasy filth prepares greasy filth fuel slug, to fully achieve
To in oily sludge greasy filth it is innoxious, clean and recycling treatment.
Summary of the invention
The purpose of the invention is to provide a kind of greasy filth fuel slug and preparation method thereof, to solve to exist in the prior art
The technical issues of.The present invention is modified processing to greasy filth using a kind of new greasy filth modifying agent and the greasy filth combustion has been prepared
Expect block, heretofore described greasy filth modifying agent can fully achieve in oily sludge greasy filth it is innoxious, clean and resource
Change processing, the huge sum of money that the flying dust generated after the burning of the greasy filth fuel slug made of the heretofore described greasy filth modifier treatment leaches
The content of the poisonous and harmful substances such as the dioxin for belonging to and containing is extremely low, is not necessarily to secondary treatment, is entirely capable of reaching discharge standard.
To achieve the goals above, the present invention provides a kind of preparation method of greasy filth fuel slug in first aspect, described
Method includes the following steps:
(1) exploitation greasy filth obtains waste oil and greasy filth, is dehydrated to the greasy filth, obtains dewatered sludge；
(2) waste oil and the dewatered sludge are uniformly mixed, obtain just contaminated product mud, then into the just contaminated product mud
Greasy filth modifying agent is added and is uniformly mixed, obtains pretreatment greasy filth；The greasy filth modifying agent includes by percentage to the quality auxiliary
Material 50~66.5%, curing agent 13~27.5%, calcium oxide 3~10%, bentonite 3~15% and cement 0.3~5%, it is described
Auxiliary material is agricultural organic waste and/or industrial solid castoff；
(3) it will be placed at room temperature after pretreatment greasy filth molding, greasy filth fuel slug be made.
Preferably, the curing agent include methylacryoyloxyethyl chloride 25~50% by percentage to the quality,
Dimethyl diallyl chloride 10~30%, acrylamide 15~30% and carboxymethyl cellulose 5~15%.
Preferably, the agricultural organic waste is stalk or rice husk.
Preferably, the industrial solid castoff is granulated slag coal.
Preferably, the greasy filth modifying agent includes auxiliary material 66.5%, curing agent 15~18%, oxygen by percentage to the quality
Change calcium 5~7%, bentonite 8.5~9.5% and cement 1~2.5%；The curing agent is by methyl-prop by percentage to the quality
Alkene acyloxyethyl chloride 40%, dimethyl diallyl chloride 25%, acrylamide 25% and carboxymethyl cellulose 10%
Composition.
Preferably, the greasy filth modifying agent also includes the oil absorbent that mass percent is 0~5%.
Preferably, the oil absorbent is hydrogenated styrene-butadiene-styrene elastomer and/or high density polyethylene (HDPE)；
And/or the content of the oil absorbent is 0.5~1.5%.
Preferably, the moisture content of the dewatered sludge is 5~25%；And/or the oil content of the just contaminated product mud be 10~
50%.
Preferably, the just mass ratio of contaminated product mud and the greasy filth modifying agent is 100:(5~20).
The present invention provides greasy filth fuel made from the preparation method as the present invention described in first aspect in second aspect
Block.
The present invention at least have compared with prior art it is following the utility model has the advantages that
(1) present invention provides a kind of new method that greasy filth fuel slug is prepared using greasy filth using new greasy filth modifying agent,
It is related to the method for innocent treatment and resource utilization process of greasy filth in a kind of oily sludge hole, solves existing oily sludge
The problem that hole processing investment is big, treatment effeciency is low.
(2) greasy filth is modified in the present invention becomes greasy filth fuel slug (greasy filth coal), and resource regeneration realizes oil-sludge treatment
Three purposes of environmental protection, energy conservation, emission reduction of disposition；Greasy filth contains petroleum component, and solid gel structure, petroleum are converted into after aggregated
Component loss is low, and greasy filth turning sludge into fuel effect is good；The greasy filth coal thermal stability being converted to after greasy filth is aggregated is good, and burnout rate is high, ring
Discharge index is protected better than fire coal；Greasy filth fuel slug produced by the present invention has the essential characteristic of solid fuel: stable solid-state junction
Structure, it is irreversible, secondary argillization does not occur；Partial size is lower than 4cm, lower than the bore that feeds intake；Surface area is big, big with oxygen contact surface, benefit
In burning；270 DEG C of ignition temperature or so, calorific value is 4000kcal/kg or more, and dry ash free basis volatilization separate index number 92.98 belongs to pole
Easy stable region；Flammable discriminant index, steady combustion discriminant index belong to easily stable region.
(3) greasy filth is converted into the process of greasy filth fuel slug in room temperature, normal pressing operation and reacts in the present invention；Treatment process
Do not generate waste water,waste gas and industrial residue；Whole process is safe and harmless, and have it is easy to operate, put into it is small, not to environmental requirement
Height is, it can be achieved that automated production；Have occupied ground small again simultaneously, input cycle is short, quick advantage.
(4) auxiliary material that contains of the greasy filth modifying agent in the present invention using inner hollow agricultural organic waste
And/or industrial solid castoff, achieve the purpose that resource regeneration, the hollow structure of the auxiliary material can be used in increasing oil
The specific surface area of mud fuel slug, structural strength and greasy filth fuel slug is made to be easy burning, can be improved greasy filth fuel obtained
The calorific value of block, and in the present invention, after the addition of the auxiliary material can also make up the addition bentonite and the cement
The shortcomings that fuel value of greasy filth fuel slug can be reduced.
(5) the greasy filth modifying agent in the present invention includes simultaneously bentonite and cement, and bentonite and cement contain
Amount proportion rationally, can farthest reduce the heavy metal leached in the flying dust or residue generated after the burning of greasy filth fuel slug and contain
Amount, it is often more important that, inventors have surprisingly discovered that, the bentonite and cement mutual cooperation can also be substantially reduced greasy filth
The content of the poisonous and harmful substances such as the dioxin contained in the flying dust generated after fuel slug burning.
(6) the greasy filth modifying agent in the present invention can fully achieve in greasy filth modification to oily in oily sludge
Mud it is innoxious, clean and recycling treatment, the combustion of greasy filth made of the greasy filth through heretofore described greasy filth modifier treatment
The content that the poisonous and harmful substances such as heavy metal and dioxin are leached in the flying dust generated after material block burning is extremely low, is not necessarily to secondary place
Reason can direct emission.
(7) in the certain preferred embodiments in the present invention, the component of the curing agent and the content of each component are optimized,
The inventors discovered that the curing agent in the present invention can obviously increase the bonding effect of greasy filth modification oil sludge in process
Fruit can shorten the time that greasy filth carries out maintenance reaction at room temperature during modification, be conducive to improve greasy filth fuel
The efficiency of block preparation.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the embodiment of the present invention, to this hair
Bright technical solution is clearly and completely described, it is clear that and described embodiment is a part of the embodiments of the present invention, and
The embodiment being not all of.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work
Under the premise of every other embodiment obtained, shall fall within the protection scope of the present invention.
The present invention provides a kind of preparation method of greasy filth fuel slug in first aspect, and described method includes following steps:
(1) exploitation greasy filth obtains waste oil and greasy filth, is dehydrated to the greasy filth, obtains dewatered sludge.
(2) waste oil and the dewatered sludge are uniformly mixed, obtain just contaminated product mud, then into the just contaminated product mud
Greasy filth modifying agent is added and is uniformly mixed, obtains pretreatment greasy filth；The greasy filth modifying agent includes by percentage to the quality auxiliary
50~66.5% (such as 50%, 52.5%, 55%, 58.5%, 60%, 62.5%, 65% or 66.5%) of material, curing agent 13~
27.5% (such as 13%, 13.5%, 14%, 14.5%, 15%, 15.5%, 16%, 16.5%, 17%, 17.5%, 18%,
18.5%, 19%, 19.5%, 20%, 20.5%, 21%, 21.5%, 22%, 22.5%, 23%, 23.5%, 24%,
24.5%, 25%, 25.5%, 26%, 26.5%, 27% or 27.5%), calcium oxide 3~10% (such as 3%, 3.5%, 4%,
4.5%, 5%, 5.5%, 6%, 6.5%, 7%, 7.5%, 8%, 8.5%, 9%, 9.5% or 10%), bentonite 3~15%
(such as 3%, 3.5%, 4%, 4.5%, 5%, 5.5%, 6%, 6.5%, 7%, 7.5%, 8%, 8.5%, 9%, 9.5%,
10.5%, 11%, 11.5%, 12%, 12.5%, 13%, 13.5%, 14%, 14.5% or 15%) and cement 0.3 10% ,~
5% (such as 0.3%, 0.4%, 0.5%, 0.6%, 0.7%, 0.8%, 0.9%, 1%, 1.5%, 2%, 2.5%, 3%,
3.5%, 4%, 4.5% or 5%), the auxiliary material is agricultural organic waste and/or industrial solid castoff；In the present invention,
The bentonite for example can be calcium-base bentonite；In the present invention, when the auxiliary material is by agricultural organic waste and Industrial Solid
When body waste forms, the mass ratio of the agricultural organic waste and the industrial solid castoff such as can be 1:1.
(3) will the pretreatment greasy filth molding after place at room temperature for example at room temperature place 2~7 days (such as 2,3,4,
5,6 or 7 days) it is preferably 5~7 days, greasy filth fuel slug is made；In the present invention, it places 2~4 days, that is, may make described at room temperature
The moisture content of greasy filth fuel slug is no more than 10%.
Processing is modified to greasy filth present invention employs a kind of new greasy filth modifying agent and is prepared for the greasy filth fuel slug,
In the present invention, the auxiliary material that the greasy filth modifying agent contains is using the agricultural organic waste of inner hollow and/or industry
Solid waste has achieved the purpose that resource regeneration, the hollow structure of the auxiliary material enable to greasy filth fuel slug light weight
Change, the specific surface area of greasy filth fuel slug, structural strength can be increased and greasy filth fuel slug is made to be easy burning, can be improved system
The calorific value of the greasy filth fuel slug obtained, and in the present invention, the addition of the auxiliary material, which can also make up, is added the bentonite
With greasy filth fuel slug can be reduced after the cement fuel value the shortcomings that, in the present invention, the auxiliary material is modified in the greasy filth
Mass percent in agent need to be up to 50~66.5%, so could effectively make up meeting after the bentonite and the cement is added
The shortcomings that reducing the fuel value of greasy filth fuel slug；In the present invention, with the properly mixed bentonite and the cement
It is added, can farthest reduce the heavy metal leached in the flying dust or residue generated after greasy filth fuel slug burning obtained and contain
Amount, it is often more important that, inventors have surprisingly discovered that, the bentonite and cement mutual cooperation can also be substantially reduced greasy filth
The content of the poisonous and harmful substances such as the dioxin in flying dust generated after fuel slug burning.Heretofore described greasy filth modifying agent
Can fully achieve in oily sludge greasy filth it is innoxious, clean and recycling treatment, it is modified through heretofore described greasy filth
It is poisonous and harmful that agent handles the flying dust heavy metal leached generated after manufactured greasy filth fuel slug burning and the dioxin contained etc.
The content of substance is extremely low, is not necessarily to secondary treatment, is entirely capable of reaching discharge standard.
According to some preferred embodiments, the curing agent includes methylacryoyloxyethyl by percentage to the quality
Chloride (such as MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride) 25~50% (such as 25%, 28%, 30%, 32%,
35%, 38%, 40%, 42%, 45%, 48% or 50%), dimethyl diallyl chloride (such as dimethyl diallyl
Ammonium chloride) 10~30% (such as 10%, 12%, 15%, 18%, 20%, 22%, 25%, 28% or 30%), acrylamide 15
~30% (such as 15%, 18%, 20%, 22%, 25%, 28% or 30%) and carboxymethyl cellulose 5~15% (such as 5%,
8%, 10%, 12% or 15%).
Present invention optimizes the component of the curing agent and the contents of each component, the inventors discovered that, the institute in the present invention
The bonding effect of greasy filth modification oil sludge in process can be obviously increased by stating curing agent, can shorten greasy filth in modification
The time for carrying out maintenance reaction in journey at room temperature is conducive to the efficiency for improving the preparation of greasy filth fuel slug.The inventors discovered that this
These ingredients that the bentonite and cement and the curing agent in invention include have good mating reaction, when the solidification
Agent includes that mass percent is 25~50% methylacryoyloxyethyl chloride, 10~30% dimethyl diallyl chlorine
When compound, 15~30% acrylamide and 5~15% carboxymethyl cellulose, the bentonite and the cement are enabled to
It reduces the content of beary metal leached in the flying dust or residue generated after the burning of greasy filth fuel slug and reduces the burning of greasy filth fuel slug
The effect of the content of the poisonous and harmful substances such as the dioxin in flying dust generated afterwards is best, though in the curing agent it is simple at
The change divided also can reduce dioxin in the content of beary metal and flying dust leached in flying dust or residue to the greasy filth modifying agent
Etc. the performance of the content of poisonous and harmful substances have adverse effect on.
According to some preferred embodiments, the agricultural organic waste is stalk or rice husk.
According to some preferred embodiments, the industrial solid castoff is granulated slag coal.
According to some preferred embodiments, the greasy filth modifying agent include auxiliary material 66.5% by percentage to the quality,
Curing agent 15~18% (such as 15%, 16%, 16.5%, 17%, 17.5% or 18%), calcium oxide 5~7% (such as 5%,
5.5%, 6%, 6.5% or 7%), bentonite 8.5~9.5% (such as 8.5%, 9% or 9.5%) and 1~2.5% (example of cement
Such as 1%, 1.5%, 2% or 2.5%)；The curing agent is by methylacryoyloxyethyl chloride by percentage to the quality
40%, dimethyl diallyl chloride 25%, acrylamide 25% and carboxymethyl cellulose 10% form.The present inventor passes through
A large amount of thinking and the test of creativeness have obtained the optimal formula of greasy filth modifying agent of the present invention, under the quality proportioning
The greasy filth modifying agent be used for greasy filth modification when, can not only shorten greasy filth during modification at room temperature into
The time of row maintenance reaction, the efficiency of greasy filth fuel slug preparation is greatlyd improve, and greasy filth fuel slug tool obtained can be made
There are lower moisture content, higher fixed carbon content, higher calorific value (calorific value) and higher efficiency of combustion, while also can
Be better achieved in oily sludge greasy filth it is innoxious, clean and recycling treatment so that being produced after the burning of greasy filth fuel slug
The content of the poisonous and harmful substances such as the heavy metal and generation dioxin that leach in raw flying dust or residue (solid waste) is more
It is low；In the present invention, the optimal formula of the greasy filth modifying agent consists of the following mass percentage components: auxiliary material, and 66.5%；
Curing agent, 16.5%；Calcium oxide, 6%；Bentonite, 9%；Cement, 2%；Wherein, the curing agent is by following mass percent
Group be grouped as: methylacryoyloxyethyl chloride, 40%；Dimethyl diallyl chloride, 25%；Acrylamide,
25%；Carboxymethyl cellulose, 10%.
According to some preferred embodiments, the greasy filth modifying agent also include mass percent be 0~5% (such as
0.5%, 1%, 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5% or oil absorbent 5%).
According to some preferred embodiments, the oil absorbent be hydrogenated styrene-butadiene-styrene elastomer and/
Or high density polyethylene (HDPE), it is preferred that the oil absorbent is 1:(10~15 by mass ratio) (such as 1:10,1:11,1:12,1:
13,1:14 or 1:15) hydrogenated styrene-butadiene-styrene elastomer and high density polyethylene (HDPE) composition；And/or the suction
The content of finish is 0.5~1.5% (such as 0.5%, 0.8%, 1%, 1.2% or 1.5%).The inventors discovered that in this hair
In bright, the oil absorbent of a small amount of 0.5~1.5% is preferably added, and the preferably described oil absorbent is 1 by mass ratio:
The hydrogenated styrene-butadiene-styrene elastomer of (10~15) (such as 1:10,1:11,1:12,1:13,1:14 or 1:15)
It is formed with high density polyethylene (HDPE), so, it is possible the performance for preferably optimizing greasy filth modifying agent of the present invention, can be made
The more excellent greasy filth fuel slug of comprehensive performance, can be under the premise of not influencing the fuel performance of greasy filth fuel slug, further
It is toxic to reduce flying dust or the middle heavy metal leached of residue (solid waste) and generation dioxin etc. after greasy filth fuel slug burns
The content of harmful substance.In the present invention, when the greasy filth modifying agent includes also the oil absorbent, the greasy filth modifying agent
Optimal formula consists of the following mass percentage components: auxiliary material, and 66.5%；Curing agent, 16.5%；Calcium oxide, 6%；It is swollen
Profit soil, 8.5%；Cement, 2%；Oil absorbent, 0.5%；Wherein, the curing agent consists of the following mass percentage components: first
Base acrylyl oxy-ethyl chloride, 40%；Dimethyl diallyl chloride, 25%；Acrylamide, 25%；Carboxymethyl cellulose
Element, 10%.
According to some preferred embodiments, the moisture content of the dewatered sludge be 5~25% (such as 5%, 10%,
15%, 20% or 25%)；And/or the oil content of the just contaminated product mud be 10~50% (such as 10%, 15%, 20%, 25%,
30%, 35%, 40%, 45% or 50%).
According to some preferred embodiments, the mass ratio of just contaminated product mud and the greasy filth modifying agent be 100:(5~
20) (such as 100:5,100:10,100:15 or 100:20).In the present invention, the moisture content of the dewatered sludge, described just mixed
Described in the oil content of greasy filth, the greasy filth modifying agent and the just proportion of contaminated product mud and the greasy filth modifying agent codetermine
The performance of greasy filth fuel slug, when the moisture content, the just oil content of contaminated product mud, just contaminated product mud and the institute of the dewatered sludge
State greasy filth modifying agent proportion it is identical when, the performance of the greasy filth fuel slug is determined by the greasy filth modifying agent.
Certainly, in the present invention, the greasy filth modifying agent can also only include 100% auxiliary material, when the greasy filth
When the ingredient that modifying agent includes is all the auxiliary material, the just mass ratio of contaminated product mud and the auxiliary material such as can be 100:(5
~40).
In the present invention, the waste oil and the dewatered sludge can for example pass through layering oil-sludge treatment method or non-layered
Oil-sludge treatment method obtains:
In the present invention, when the oily sludge hole (oil pit) present in greasy filth water have lamination when, in oil pit
Waste oil, waste water, greasy filth and waste are isolated using separate zone production mode, the waste oil and the dewatered sludge by walking as follows
Suddenly (layering oil-sludge treatment method) obtains:
S1, upper layer oil-bearing layer is collected using mud machine on hook machine cooperation chain-bucket, with drum-type screening machine to upper layer oil-bearing layer
It is sieved, steam and hot water is carried out to the blocks of solid waste that screening obtains and washes away oil, blocks of solid waste is transported after washing
It is filled to landfill yard, the oil mixing with water that the grease after washing is obtained with screening is separated by solid-liquid separation, and oily waste water and oil reservoir are obtained
Sludge, oily waste water carry out water-oil separating, obtain waste oil and waste water, and waste water is sent into sewage treatment plant's processing；S2, matched using hook machine
It closes mud machine on chain-bucket and collects lower layer's sludge containing layer of sand, lower layer's sludge containing layer of sand is sieved with drum-type screening machine, it is blocky
Solid waste carries out steam and hot water and washes away oil, and solid waste is transported to landfill yard landfill, grease and sieve after washing after washing
The silt particle mixing got, obtains greasy filth sand mixture；S3, oil reservoir sludge in step S1 and greasy filth sand mixture are mixed, then
It is carried out dehydrating, obtains dewatered sludge.In the present invention, non-even phase open air oily sludge hole is administered with stage excavation method, it can
Oil, mud, water are efficiently separated, high concentration oil reservoir is extracted, and reduce waste water and bed mud in governance process by oil layer pollution, is effectively reduced
Wastewater treatment load, and facilitate the proportion design of greasy filth coal calorific value and forming, improve production by recycling quality.
In the present invention, when the greasy filth water present in the oil pit is without lamination, the waste oil and the dehydration are dirty
Mud obtains as follows (non-layered oil-sludge treatment method):
Sludge in oil pit is collected using mud machine on hook machine cooperation chain-bucket, is sieved with drum-type screening machine, bulk is solid
Body waste carries out steam and hot water and washes away oil, and solid waste is transported to landfill yard landfill, grease and screening after washing after washing
Obtained mud mixture mixing, is separated by solid-liquid separation, obtains oily waste water and greasy filth, greasy filth is dehydrated, and dewatered sludge is obtained, and is contained
Oily waste water carries out water-oil separating, obtains waste oil and waste water, and waste water is sent into sewage treatment plant's processing.
The present invention provides greasy filth fuel made from the preparation method as the present invention described in first aspect in second aspect
Block.
Hereafter the present invention will be further detailed by way of example, but protection scope of the present invention is unlimited
In these embodiments.
Embodiment 1
1. exploitation greasy filth obtains waste oil and greasy filth, the greasy filth is dehydrated, it is dirty to obtain the dehydration that moisture content is 15%
Mud；Wherein, the waste oil and the dewatered sludge for example can be through layering oil-sludge treatment method of the present invention or non-layereds
Oil-sludge treatment method obtains.
2. by step 1. in the waste oil and the dewatered sludge be uniformly mixed, obtain oil content be 40% first contaminated product
Then mud is added greasy filth modifying agent into the just contaminated product mud and is uniformly mixed, obtains pretreatment greasy filth；Wherein, described just mixed
The mass ratio of greasy filth and the greasy filth modifying agent is 100:20；The greasy filth modifying agent is by auxiliary material (straw by percentage to the quality
Stalk) 66.5%, curing agent 16.5%, calcium oxide 6%, bentonite 9% and cement 2% forms；The curing agent is by with quality hundred
Divide the MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride 40% than meter, dimethyl diallyl ammonium chloride 25%, acrylamide
25% and carboxymethyl cellulose 10% form.
3. 2. pretreatment greasy filth that step is obtained is sent into brickmaking machine molding, places 6 days at room temperature, obtain greasy filth fuel
Block.
Coal analysis is carried out to greasy filth fuel slug made from the present embodiment, obtains moisture content and the calorific value of greasy filth fuel slug
(calorific value) the results are shown in Table 1；A leaching huge sum of money for combustion product flying dust and residue to the greasy filth fuel slug in the present embodiment
Belong to content to be detected, as a result respectively as shown in table 2 and table 3；To the combustion product flying dust of the greasy filth fuel slug in the present embodiment
In dioxins concentration detected, the results are shown in Table 4.
Embodiment 2
Embodiment 2 is substantially the same manner as Example 1, the difference is that:
Step 2. in, the greasy filth modifying agent by by percentage to the quality auxiliary material (stalk) 50%, curing agent 27%,
Calcium oxide 6%, bentonite 12% and cement 5% form；The curing agent is by methacryloxypropyl second by percentage to the quality
Base trimethyl ammonium chloride 35%, dimethyl diallyl ammonium chloride 25%, acrylamide 25% and 15% group of carboxymethyl cellulose
At.
Embodiment 3
Embodiment 3 is substantially the same manner as Example 1, the difference is that:
Step 2. in, the greasy filth modifying agent is by auxiliary material (stalk) 66.5%, curing agent by percentage to the quality
16.5%, calcium oxide 6%, bentonite 8.5%, cement 2% and oil absorbent 0.5% form；The curing agent is by with quality percentage
Than the MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride 40%, dimethyl diallyl ammonium chloride 25%, acrylamide 25% of meter
It is formed with carboxymethyl cellulose 10%；The oil absorbent is by the hydrogenated styrene-butadiene-styrene elasticity that mass ratio is 1:12
Body and high density polyethylene (HDPE) composition.
Embodiment 4
Embodiment 4 is substantially the same manner as Example 3, the difference is that:
The greasy filth modifying agent is by auxiliary material (stalk) 66.5%, curing agent 16.5%, calcium oxide by percentage to the quality
6%, bentonite 8.5%, cement 1.5% and oil absorbent 1% form；The hydrogenated styrene-that the oil absorbent is 1:5 by mass ratio
Butadiene-styrene elastomer and high density polyethylene (HDPE) composition.
Embodiment 5
Embodiment 5 is substantially the same manner as Example 1, the difference is that:
In 3., 2. pretreatment greasy filth that step is obtained is sent into brickmaking machine molding, places 3 days at room temperature, obtains oil
Mud fuel slug.
Comparative example 1
Comparative example is substantially the same manner as Example 1, the difference is that:
In this comparative example, the greasy filth modifying agent is by MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride copolymer, diformazan
Base diallyl ammonium chloride and acrylamide copolymer, sodium carboxymethylcellulose, volcanic ash 31%:14%:22% in mass ratio:
33% mixes.
Comparative example 2
Comparative example 2 and comparative example 1 are essentially identical, the difference is that: by obtained pretreatment greasy filth be sent into brickmaking machine at
Type places 3 days at room temperature to get greasy filth fuel slug is arrived.
Comparative example 3
Comparative example 3 is substantially the same manner as Example 1, the difference is that:
Step 2. in, the curing agent is total to by MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride by percentage to the quality
Polymers 46%, dimethyl diallyl ammonium chloride 21% and sodium carboxymethylcellulose 33% form.
Table 1: the coal analysis result of Examples 1 to 5 and comparative example 1~3.
Table 2: the greasy filth fuel slug combustion product flying dust in embodiment 1, embodiment 3 and comparative example 1, comparative example 3 leaches
Content of beary metal.
In table 2: ND indicates that testing result is less than detection limit；According to HJ/T300-200710, " solid waste soaks the above sample
Toxicity leaching method hac buffer method out " requirement carry out pre-treatment.
Table 3: the greasy filth fuel slug combustion product residue in embodiment 1, embodiment 3 and comparative example 1, comparative example 3 leaches
Content of beary metal.
In table 3: ND indicates that testing result is less than detection limit；According to HJ/T300-2007, " solid waste leaches the above sample
Toxicity leaching method hac buffer method " requirement carry out pre-treatment.
Table 4: in the greasy filth fuel slug combustion product flying dust in embodiment 1, embodiment 3 and comparative example 1, comparative example 3
Dioxins concentration.
| Embodiment | Dioxin total amount (PCDDs+PCDFs) (ugTEQ/kg) |
| Embodiment 1 | 0.077 |
| Embodiment 3 | 0.051 |
| Comparative example 1 | 3.61 |
| Comparative example 3 | 2.42 |
Note: household refuse landfill sites contamination control standard GB 16889-2008 limitation dioxins concentration should be lower than
3ugTEQ/kg。
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of preparation method of greasy filth fuel slug, which is characterized in that described method includes following steps:
(1) exploitation greasy filth obtains waste oil and greasy filth, is dehydrated to the greasy filth, obtains dewatered sludge；
(2) waste oil and the dewatered sludge are uniformly mixed, obtain just contaminated product mud, be then added into the just contaminated product mud
Greasy filth modifying agent is simultaneously uniformly mixed, and obtains pretreatment greasy filth；The greasy filth modifying agent includes auxiliary material 50 by percentage to the quality
~66.5%, curing agent 13~27.5%, calcium oxide 3~10%, bentonite 3~15% and cement 0.3~5%, the auxiliary material
For agricultural organic waste and/or industrial solid castoff；
(3) it will be placed at room temperature after pretreatment greasy filth molding, greasy filth fuel slug be made.
2. preparation method according to claim 1, it is characterised in that:
The curing agent includes methylacryoyloxyethyl chloride 25~50%, two allyl of dimethyl by percentage to the quality
Base chloride 10~30%, acrylamide 15~30% and carboxymethyl cellulose 5~15%.
3. preparation method according to claim 1 or 2, it is characterised in that:
The agricultural organic waste is stalk or rice husk.
4. preparation method according to claim 1 or 2, it is characterised in that:
The industrial solid castoff is granulated slag coal.
5. preparation method according to claim 2, it is characterised in that:
The greasy filth modifying agent include auxiliary material 66.5% by percentage to the quality, curing agent 15~18%, calcium oxide 5~7%,
Bentonite 8.5~9.5% and cement 1~2.5%；
The curing agent is by methylacryoyloxyethyl chloride 40% by percentage to the quality, dimethyl diallyl chlorination
Object 25%, acrylamide 25% and carboxymethyl cellulose 10% form.
6. preparation method according to claim 1, which is characterized in that the greasy filth modifying agent is also comprising mass percent
0~5% oil absorbent.
7. preparation method according to claim 6, it is characterised in that:
The oil absorbent is hydrogenated styrene-butadiene-styrene elastomer and/or high density polyethylene (HDPE)；And/or
The content of the oil absorbent is 0.5~1.5%.
8. preparation method according to claim 1, it is characterised in that:
The moisture content of the dewatered sludge is 5~25%；And/or
The oil content of the just contaminated product mud is 10~50%.
9. preparation method according to claim 1, it is characterised in that:
The just mass ratio of contaminated product mud and the greasy filth modifying agent is 100:(5~20).
10. the greasy filth fuel slug as made from claim 1 to 9 described in any item preparation methods.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112441709A (en) * | 2020-11-16 | 2021-03-05 | 无锡市阳泰环境科技有限公司 | Resource utilization method of oil sludge |
| CN112479513A (en) * | 2020-11-06 | 2021-03-12 | 南京工业大学 | Preparation method and application of oil-containing sludge composite curing material |
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| CN105505509A (en) * | 2015-12-24 | 2016-04-20 | 哈尔滨工业大学 | Composite fuel using oil-containing sludge and preparation method thereof |
| CN107140800A (en) * | 2017-05-04 | 2017-09-08 | 广州市正高环保科技有限公司 | The method that a kind of greasy filth modifying agent and its modification greasy filth are converted into New Regenerated solid fuel |
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| CN105505509A (en) * | 2015-12-24 | 2016-04-20 | 哈尔滨工业大学 | Composite fuel using oil-containing sludge and preparation method thereof |
| CN107140800A (en) * | 2017-05-04 | 2017-09-08 | 广州市正高环保科技有限公司 | The method that a kind of greasy filth modifying agent and its modification greasy filth are converted into New Regenerated solid fuel |
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Application publication date: 20190920 |