CN106007284A - Oil-containing-waste deep treatment method and system - Google Patents
Oil-containing-waste deep treatment method and system Download PDFInfo
- Publication number
- CN106007284A CN106007284A CN201610547026.7A CN201610547026A CN106007284A CN 106007284 A CN106007284 A CN 106007284A CN 201610547026 A CN201610547026 A CN 201610547026A CN 106007284 A CN106007284 A CN 106007284A
- Authority
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- China
- Prior art keywords
- oil
- water
- gas
- treatment method
- oily waste
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- C10G1/002—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal in combination with oil conversion- or refining processes
Abstract
The invention discloses an oil-containing-waste deep treatment method. The oil-containing-waste deep treatment method includes the steps that initial materials are conveyed into a heating cavity, and the heating cavity is heated through the high-temperature flue gas; oil-water mixing gas containing dust particle substances is subjected to low-temperature-medium spraying, and clean oil-water mixing gas is obtained; the clean oil-water mixing gas is subjected to condensation; oil-water mixing liquid is separated through the density difference; a dust-containing oil phase is separated through the density difference. According to the oil-containing-waste deep treatment method, a rapid and efficient deep treatment technology is provided according to oil-containing waste, solid-phase dust particle substances in the oil-water mixing gas can be removed through a temperature-control dust-removing unit, and the reliability of continuous stable operation of the whole technology is improved. The oil-containing waste can be divided into heavy oil, light oil and water, classified and recycled, resource recycling is achieved, and recycled resources can be stored, transported, used in other occasions and can also be directly reused to a treating system, wherein hydrocarbon can serve as fuel, and water can serve as circulating water.
Description
Technical field
The present invention relates to environmental technology field, specifically, be a kind of oily waste further treatment technique and system.
Background technology
Oily waste refers to thickness state solid or the semisolid garbage produced in crude oil production, accumulating and refining process,
Belong to the HW08 class danger wastes in " National Hazard refuse register " (2008).According to statistics, the oil-containing that China produces every year
Garbage is more than 3,000,000 tons, if can not safely and effectively be disposed, will necessarily cause the health of ecological environment and people
Serious threat.On the other hand, the pollutant in oily waste are oil, have the highest recycling and are worth.
Treatment principle for oily waste is minimizing, innoxious and resource, and treatment technology currently mainly includes drying
Partition method, microbial metabolism edman degradation Edman, burning method, organic solvent ablution and heat treatment technics etc..Dry partition method mainly to fit
For the garbage of containing large amount of liquid rate, the solid phase oil content after separation is difficult to meet environmental requirement, still needs to carry out advanced treating;Micro-life
Thing metabolic degradation method is primarily adapted for use in the garbage of low oil content, utilizes the natural metabolism action breaks oily substance of microorganism, but
The process cycle is longer, and the condition of culture of microorganism is complicated, and the metabolic process of microorganism is to be decomposed by petroleum substance, it is impossible to
The Resource recoveryization realizing oily substance utilizes;Burning method is that it coordinates burning with fuel, it is achieved solid phase harmless treatment, but
Burning process can produce secondary pollution, and the oily substance of resourcebility recycling cannot be reclaimed;Organic solvent ablution profit
By extraction principle, the oily substance in solid phase is separated, then utilize heating recovery organic solvent, but the method is organic
Solvent all has certain toxicity, can threaten health and ecological environment, exists quick-fried when solvent solubility is higher simultaneously
Fried risk;Heat treatment technics is to make liquid-phase vaporization by heating indirectly in the environment of hypoxia or anoxybiotic, it is achieved with dividing of solid phase
After technology, process, solid phase oil content is low, is the terminal processing techniques of the oily waste generally acknowledged at present.
During utilizing heat treatment technics to process oily waste, owing to the liquid holdup of material there are differences, the profit of generation mixes
Conjunction tolerance is unstable, and excessive oil mixing with water tolerance can cause in oil mixing with water gas containing solid-phase dust particulate matter, this solid phase powder
The existence of dirt particulate matter is unfavorable for the continuous and steady operation of whole set process.Prior art " a kind of oilfield waste substance treating method and
System " (publication number: CN104150728B) also fails to solve the problem of dust, and the oil density decomposited is uneven, is unfavorable for
Recycling.
Summary of the invention
The present invention is directed to the deficiency that above-mentioned prior art exists, it is proposed that a kind of oily waste further treatment technique and system.
The oily waste deep treatment method of the present invention, the method comprises the steps:
It is transported to starting material heat in chamber;
High-temperature flue gas is utilized to heat described heating chamber, solid material after obtaining the oil mixing with water vapour containing dust granules thing and processing;
By the described oil mixing with water vapour containing dust granules thing by spray cryogenic media, obtain dust-laden oil phase and clean profit mixes
Close vapour;
By the condensed process of oil mixing with water vapour of described cleaning, obtain oil-water mixture and on-condensible gas;
Utilize density contrast to separate described oil-water mixture, be purified water and purify light oil;By described dust-laden oil phase profit
Separate with density contrast, be purified mink cell focus and oil-containing solid phase particles thing;
The described purifying heavy oil obtained and purification light oil are stored or recycle, outside the described purification water that will obtain is unified
Arrange or as system recirculated water.
Preferably, also included sorting starting material before being sent to starting material heat in chamber, isolate bulk
Impurity and fine granular materials;Carry out being broken into fine granular materials by described bulk impurity;Described fine granular materials is sent to heating
In chamber.
Preferably, described on-condensible gas is carried out purified treatment, then obtains high-temperature flue gas as aid fuel combustion, to institute
State heating chamber to heat.
Preferably, described oil-containing solid phase particles thing is sent to heat chamber heat.
A kind of oily waste advanced treatment system, including: heater, temperature control dedusting device, condensing unit, liquid phase separation
Device, equipment for separating liquid from solid;
Being provided with the heating chamber for holding starting material in described heater, the gas approach of described heater connects generation
The smoke generating appts of high-temperature flue gas;
The air inlet of described temperature control dedusting device is connected with the air vent of described heater, the spray in described temperature control dedusting device
Head is connected to supply the medium fluid reservoir of cryogenic media;
The air inlet of described condensing unit is connected with the gas outlet of described temperature control dedusting device, the oil-out of described condensing unit and institute
The oil-in stating liquid phase separating device is connected, and the air vent of described condensing unit is connected with the gas approach of described heater;Institute
The oil-out stating liquid phase separating device is connected to the light oil storage tank of storage purification light oil;
Described temperature control dedusting device discharge gate is connected with the charging aperture of described equipment for separating liquid from solid, described equipment for separating liquid from solid fuel-displaced
Mouth is connected to store the heavy oil storage tank of purifying heavy oil, the slag-drip opening of described equipment for separating liquid from solid and the charging of described heater
Mouth is connected.
Preferably, the charge door of described heater connects has pretreatment unit, described pretreatment unit to be provided with separating sieve.
Preferably, gas cleaning plant is installed between air vent and the gas approach of described heater of described condensing unit.
The invention has the beneficial effects as follows: the present invention is directed to oily waste and provide one further treatment technique fast and efficiently,
The temperature control dust removing units arranged can remove the solid-phase dust particulate matter in oil mixing with water gas, improves whole set process continuous and steady operation
Reliability.Oily waste can be divided into heavy oil, light oil and water, and recovery of classifying, it is achieved resource reclaim, can accumulating profit
Use other occasions, it is possible to by directly by the resource reutilization of recovery to processing system, wherein hydro carbons can be as fuel, and water can
As recirculated water.The intractable oily wastes such as ground sludge, tank bottom oil sludge, oil pit greasy filth, aging greasy filth can be processed.Just
Advanced row filter and pulverizing before the heating of beginning material, it is to avoid in heating chamber, material is excessive, is heated insufficient, it is to avoid oleaginous material along with
Waste residue is discharged, it is ensured that the response rate of hydro carbons, it is to avoid outside hydrocarbon component, row pollutes.On-condensible gas purifies after-combustion, the most again
Utilize, improve energy utilization rate.Isolate the oil-containing solid phase particles thing after heavy oil to be again fed in heating chamber process, protect
Card treatment effect.
Accompanying drawing explanation
Accompanying drawing 1 is the structured flowchart of a kind of oily waste advanced treatment system of the present invention.
Detailed description of the invention
In order to be able to further appreciate that the structure of the present invention, feature and other purpose, describe in detail such as in conjunction with appended preferred embodiment
Under, illustrated preferred embodiment is merely to illustrate technical scheme, and the non-limiting present invention.
The detailed description of the invention of the present invention is as follows:
This oily waste deep treatment method, comprises the steps:
It is transported to starting material heat in chamber;Wherein starting material is oily waste, in order to ensure subsequent treatment efficiency and
Effect, before being sent to starting material heat in chamber, utilizes the modes such as separating sieve to sort by starting material, isolates big
Block impurity and fine granular materials, carry out being broken into fine granular materials by described bulk impurity, is being sent to by whole fine granular materials
In heating chamber.
High-temperature flue gas is utilized to heat described heating chamber, solid material after obtaining the oil mixing with water vapour containing dust granules thing and processing;
Wherein heating chamber is heated by high-temperature flue gas indirectly, and after the thermal decomposition of certain time, starting material becomes containing dust granules thing
Oil mixing with water vapour and process after solid material.
By the described oil mixing with water vapour containing dust granules thing by spray cryogenic media, obtain dust-laden oil phase and clean profit mixes
Close vapour;Wherein by spray cryogenic media, the oil mixing with water vapour containing dust granules thing is made to be cooled to assigned temperature, in gaseous mixture
Heavy oil gas and dust granules thing be core condensation condensation formed dust-laden oil phase, through spray eliminate dust granules thing and heavy
The oil mixing with water vapour of oil gas becomes clean oil mixing with water vapour.
By the clean condensed process of oil mixing with water vapour, obtain oil-water mixture and on-condensible gas;On-condensible gas is carried out at purification
Heating chamber is returned to as auxiliary fuel after reason.
Utilize density contrast to separate oil-water mixture, be purified water and purify light oil, by isolated purification light oil
Store, the purification water collected is used as system recirculated water;Utilize density contrast to separate dust-laden oil phase, obtain
Purifying heavy oil and oil-containing solid phase particles thing;Isolated purifying heavy oil stores or recycles, and oil-containing solid phase particles thing is defeated
Send heating chamber back to and again carry out separating treatment.
As it is shown in figure 1, the invention also discloses a kind of oily waste advanced treatment system, including: heater, temperature control remove
Dirt device, condensing unit, liquid phase separating device, equipment for separating liquid from solid.
Being provided with the heating chamber for holding starting material in heater, the gas approach of heater connects generation high-temperature flue gas
Smoke generating appts;Starting material is heat resolve in heating chamber, resolves into the oil mixing with water vapour containing dust granules thing and place
Solid material after reason, after process, solid material is discharged, and the oil mixing with water vapour containing dust granules thing enters in temperature control dedusting device.
The air inlet of temperature control dedusting device is connected with the air vent of described heater, and the spray head in described temperature control dedusting device is even
Connect the medium fluid reservoir for supplying cryogenic media;Oil mixing with water vapour containing dust granules thing sprays low in temperature control dedusting device
Temperature medium, forms dust-laden oil phase and clean oil mixing with water vapour.
The air inlet of condensing unit is connected with the gas outlet of described temperature control dedusting device, and the oil-out of condensing unit divides with described liquid phase
Oil-in from device is connected, and the air vent of described condensing unit is connected with the gas approach of described heater;Clean profit
Mixed steam enters in condensing unit, and is condensed into oil-water mixture and on-condensible gas.On-condensible gas is clean by gas cleaning plant
After change, return to heating chamber as auxiliary fuel.
The oil-out of liquid phase separating device is connected to storage and purifies the light oil storage tank of light oil;Enter liquid phase separating device profit to mix
Closing liquid utilizes density contrast be separated into purification water and purify light oil, and purification light oil enters in light oil storage tank and stores.
Temperature control dedusting device discharge gate is connected with the charging aperture of described equipment for separating liquid from solid, and dust-laden oil phase is profit in equipment for separating liquid from solid
Being separated into purifying heavy oil and oil-containing solid phase particles thing with density contrast, the oil-out of equipment for separating liquid from solid is connected to storage and purifies weight
The heavy oil storage tank of matter oil, isolated purifying heavy oil enters in heavy oil storage tank and stores.The waste discharge mouth of equipment for separating liquid from solid is with described
The charge door of heater is connected, and oil-containing solid phase particles thing returns to heater and again separates.
The charge door of heater connects has pretreatment unit, pretreatment unit to be provided with separating sieve.Before entering heater,
Starting material first passes through pretreatment unit sorting, bulk impurity is selected and is pulverized, makes whole starting material all become fine particle
Material, is then sending into heater, and the material making heating is tiny, it is simple to fully heat resolve.
Claims (7)
1. an oily waste deep treatment method, it is characterised in that the method comprises the steps:
It is transported to starting material heat in chamber;
High-temperature flue gas is utilized to heat described heating chamber, solid material after obtaining the oil mixing with water vapour containing dust granules thing and processing;
By the described oil mixing with water vapour containing dust granules thing by spray cryogenic media, obtain dust-laden oil phase and clean oil mixing with water
Vapour;
By the condensed process of oil mixing with water vapour of described cleaning, obtain oil-water mixture and on-condensible gas;
Utilize density contrast to separate described oil-water mixture, be purified water and purify light oil;Described dust-laden oil phase is utilized
Density contrast separates, and is purified mink cell focus and oil-containing solid phase particles thing;
The described purifying heavy oil obtained and purification light oil are stored or recycle, the unified outer row of the described purification water that will obtain
Or as system recirculated water.
Oily waste deep treatment method the most according to claim 1, it is characterised in that starting material is being sent to heating
Also included sorting starting material before in chamber, isolate bulk impurity and fine granular materials;Described bulk impurity is entered
Row is broken into fine granular materials;It is sent to described fine granular materials heat in chamber.
Oily waste deep treatment method the most according to claim 1, it is characterised in that described on-condensible gas is purified
Process, then obtain high-temperature flue gas as aid fuel combustion, described heating chamber is heated.
Oily waste deep treatment method the most according to claim 1, it is characterised in that described oil-containing solid phase particles thing is sent
Enter and heat to heating chamber.
5. an oily waste advanced treatment system, it is characterised in that including: heater, temperature control dedusting device, condensation dress
Put, liquid phase separating device, equipment for separating liquid from solid;
Being provided with the heating chamber for holding starting material in described heater, the gas approach of described heater connects generation height
The smoke generating appts of temperature flue gas;
The air inlet of described temperature control dedusting device is connected with the air vent of described heater, the spray head in described temperature control dedusting device
It is connected to supply the medium fluid reservoir of cryogenic media;
The air inlet of described condensing unit is connected with the gas outlet of described temperature control dedusting device, and the oil-out of described condensing unit is with described
The oil-in of liquid phase separating device is connected, and the air vent of described condensing unit is connected with the gas approach of described heater;
Described temperature control dedusting device discharge gate is connected with the charging aperture of described equipment for separating liquid from solid, the slag-drip opening of described equipment for separating liquid from solid
It is connected with the charge door of described heater.
Oily waste advanced treatment system the most according to claim 5, it is characterised in that the charge door of described heater is even
Being connected to pretreatment unit, described pretreatment unit is provided with separating sieve.
Oily waste advanced treatment system the most according to claim 5, it is characterised in that the air vent of described condensing unit with
Gas cleaning plant is installed between the gas approach of described heater.
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CN2016102890261 | 2016-05-04 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108675589A (en) * | 2018-07-23 | 2018-10-19 | 哈尔滨金源伟业环保科技有限公司 | A kind of continous way greasy filth pyrolysis treatment systems and pyrolysis treating method |
CN109267953A (en) * | 2018-09-12 | 2019-01-25 | 上海华畅环保设备发展有限公司 | The method and apparatus that mud and base oil in discarded oil base drilling fluid are recycled in classification |
CN111450584A (en) * | 2019-01-22 | 2020-07-28 | 上海方久轧制油净化技术有限公司 | Waste diatomite purification device and purification method |
CN111661995A (en) * | 2020-05-29 | 2020-09-15 | 中国海洋石油集团有限公司 | Oil-based drilling waste recycling and harmless treatment system and method |
WO2021142657A1 (en) * | 2020-01-15 | 2021-07-22 | 杰瑞环保科技有限公司 | Thermal phase separation treatment process for paint waste residue and apparatus thereof |
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CN111661995A (en) * | 2020-05-29 | 2020-09-15 | 中国海洋石油集团有限公司 | Oil-based drilling waste recycling and harmless treatment system and method |
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