CN106007284B - Oily waste deep treatment method and system - Google Patents
Oily waste deep treatment method and system Download PDFInfo
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- CN106007284B CN106007284B CN201610547026.7A CN201610547026A CN106007284B CN 106007284 B CN106007284 B CN 106007284B CN 201610547026 A CN201610547026 A CN 201610547026A CN 106007284 B CN106007284 B CN 106007284B
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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
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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
- C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Wood Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
A kind of oily waste deep treatment method, including starting material is transported in heating chamber, the heating chamber is heated using high-temperature flue gas；The oil mixing with water vapour containing dust particle is passed through into spray cryogenic media；By the oil mixing with water vapour of the cleaning through condensation process, the oil-water mixture is separated using density contrast；The dust-laden oil is mutually separated using density contrast.The present invention provides a kind of fast and efficiently further treatment technique for oily waste, and the temperature control dust removing units of setting can remove the solid-phase dust particulate matter in oil mixing with water gas, improves the reliability of whole set process continuous and steady operation.Oily waste can be divided into heavy oil, light oil and water, and recycling of classifying, realize resource reclaim, storage and transportation and other occasions can be used, can also be by directly by the resource reutilization of recycling into processing system, wherein hydro carbons can be used as fuel, and water can be used as recirculated water.
Description
Technical field
The present invention relates to environmental technology fields, specifically, being a kind of oily waste further treatment technique and system.
Background technique
Oily waste refers to that the sticky state solid or semisolid generated in crude oil production, storage and transportation and refining process is useless
Gurry belongs to the HW08 class danger wastes in " National Hazard waste register " (2008).According to statistics, what China generated every year contains
Oily waste is more than 3,000,000 tons, if cannot safely and effectively be disposed, will necessarily be made to ecological environment and people's health
At serious threat.On the other hand, the pollutant in oily waste is petroleum, has very high recycling value.
Treatment principle for oily waste is minimizing, innoxious and recycling, current main processing technique packet
Include drying partition method, microbial metabolism edman degradation Edman, incineration method, organic solvent ablution and heat treatment technics etc..Dry partition method
It is primarily adapted for use in the waste of containing large amount of liquid rate, the solid phase oil content after separation is difficult to meet environmental requirements, and still needs to carry out depth
Reason；Microbial metabolism edman degradation Edman is primarily adapted for use in the waste of low oil content, decomposes oil using the natural metabolism effect of microorganism
Substance, but process cycle is longer, and the condition of culture of microorganism is complicated, and the metabolic process of microorganism is by petroleum substance
It decomposes, the Resource recoveryization that cannot achieve oily substance utilizes；Incineration method is to realize that solid phase is harmless with combination burning with fuel for it
Change processing, but secondary pollution can be generated in burning process, and the oily substance of resourcebility recycling can not be recycled；It is organic molten
Agent ablution is separated the oily substance in solid phase using extraction principle, then utilizes heating recovery organic solvent, but should
The organic solvent of method all has certain toxicity, can threaten to human health and ecological environment, while when solvent is molten
There are the risks of explosion when spending higher；Heat treatment technics is to make liquid phase gas by indirect heating in the environment of hypoxemia or anoxybiotic
Change, realizes the isolation technics with solid phase, solid phase oil content is low after processing, is the terminal processes skill of oily waste generally acknowledged at present
Art.
During using heat treatment technics processing oily waste, since the liquid holdup of material has differences, generation
Oil mixing with water tolerance is unstable, and excessive oil mixing with water tolerance, which will cause, contains solid-phase dust particulate matter in oil mixing with water gas, this
The presence of kind solid-phase dust particulate matter is unfavorable for the continuous and steady operation of whole set process.The prior art is " at a kind of oil field waste
Reason method and system " (publication number: CN104150728B) also fails to solve the problems, such as dust, and the oil density decomposited is not
, it is unfavorable for recycling.
Summary of the invention
The present invention in view of the deficiency of the prior art, proposes a kind of oily waste further treatment technique and is
System.
Oily waste deep treatment method of the invention, this method comprises the following steps:
Starting material is transported in heating chamber；
The heating chamber is heated using high-temperature flue gas, obtains solid after the oil mixing with water vapour containing dust particle and processing
Material；
The oil mixing with water vapour containing dust particle is passed through into spray cryogenic media, obtains dust-laden oil phase and cleaning
Oil mixing with water vapour；
By the oil mixing with water vapour of the cleaning through condensation process, oil-water mixture and on-condensible gas are obtained；
The oil-water mixture is separated using density contrast, is purified water and purification light oil；By the dust-laden
It is oily mutually to be separated using density contrast, it is purified mink cell focus and oil-containing solid phase particles object；
The obtained purifying heavy oil and purification light oil are stored or recycled, the purified water that will be obtained
Unify outlet or as system circulating water.
It preferably, further include sorting starting material before starting material is sent in heating chamber, separation
Bulk impurity and fine granular materials out；It carries out the bulk impurity to be broken into fine granular materials；The fine granular materials are sent
Enter into heating chamber.
Preferably, the on-condensible gas is subjected to purified treatment, then obtains high-temperature flue gas as aid fuel combustion,
The heating chamber is heated.
Preferably, the oil-containing solid phase particles object heating chamber is sent to heat.
A kind of oily waste advanced treatment system, comprising: heating device, temperature control dedusting device, condensing unit, liquid phase point
From device, equipment for separating liquid from solid；
The heating chamber for holding starting material is provided in the heating device, the gas inlet of the heating device connects
It practices midwifery the smoke generating apptss of raw high-temperature flue gas；
The air inlet of the temperature control dedusting device is connected with the exhaust outlet of the heating device, in the temperature control dedusting device
Spray head connect the medium fluid reservoir for supplying cryogenic media；
The air inlet of the condensing unit is connected with the gas outlet of the temperature control dedusting device, the condensing unit it is fuel-displaced
Mouth is connected with the oil inlet of the liquid phase separating device, the gas inlet of the exhaust outlet of the condensing unit and the heating device
It is connected；The oil outlet connection of the liquid phase separating device is for storing the light oil storage tank of purification light oil；
The temperature control dedusting device discharge gate is connected with the feed inlet of the equipment for separating liquid from solid, the equipment for separating liquid from solid
Oil outlet connect the heavy oil storage tank for storing purifying heavy oil, the slag-drip opening of the equipment for separating liquid from solid and heating dress
The feed opening set is connected.
Preferably, the feed opening of the heating device is connected with pretreatment unit, and the pretreatment unit is provided with point
Choosing sieve.
Preferably, gas purification is installed between the exhaust outlet of the condensing unit and the gas inlet of the heating device
Device.
The beneficial effects of the present invention are: the present invention provides a kind of fast and efficiently advanced treating for oily waste
Technology, the temperature control dust removing units of setting can remove the solid-phase dust particulate matter in oil mixing with water gas, and it is continuous to improve whole set process
The reliability of stable operation.Oily waste can be divided into heavy oil, light oil and water, and recycling of classifying, realize resource reclaim, can store up
Other occasions are transported and use, can also be by directly by the resource reutilization of recycling into processing system, wherein hydro carbons can be used as combustion
Material, water can be used as recirculated water.It is discarded that the intractable oil-containings such as ground sludge, tank bottom oil sludge, oil pit greasy filth, aging greasy filth can be handled
Object.It is first screened and is crushed before starting material heating, avoided material in heating chamber excessive, be heated insufficient, avoid oil content
Matter is discharged with waste residue, guarantees the rate of recovery of hydro carbons, and hydrocarbon component outlet is avoided to pollute.On-condensible gas purifies after-combustion,
It directly recycles, improves energy utilization rate.Oil-containing solid phase particles object after isolating heavy oil, which is again fed in heating chamber, to carry out
Processing guarantees treatment effect.
Detailed description of the invention
Attached drawing 1 is a kind of structural block diagram of oily waste advanced treatment system of the invention.
Specific embodiment
It is detailed now in conjunction with appended preferred embodiment in order to further appreciate that structure of the invention, feature and other purposes
It is described as follows, illustrated preferred embodiment is only used to illustrate the technical scheme of the present invention, and the non-limiting present invention.
A specific embodiment of the invention is as follows:
The oily waste deep treatment method, includes the following steps:
Starting material is transported in heating chamber；Wherein starting material is oily waste, in order to guarantee subsequent processing
Before starting material is sent in heating chamber, starting material is sorted in the way of separating sieve etc. for efficiency and effect, point
Bulk impurity and fine granular materials are separated out, carry out the bulk impurity to be broken into fine granular materials, by whole fine particles
Material is sent in heating chamber.
The heating chamber is heated using high-temperature flue gas, obtains solid after the oil mixing with water vapour containing dust particle and processing
Material；Wherein high-temperature flue gas is to heating chamber indirect heating, and after the thermal decomposition of certain time, starting material becomes containing dust
Solid material after the oil mixing with water vapour of particulate matter and processing.
The oil mixing with water vapour containing dust particle is passed through into spray cryogenic media, obtains dust-laden oil phase and cleaning
Oil mixing with water vapour；Wherein by spray cryogenic media, the oil mixing with water vapour containing dust particle is made to be cooled to assigned temperature, mixed
Closing heavy oil gas and dust particle in gas is that core condensation condenses to form dust-laden oil phase, eliminates dust particles by spray
The oil mixing with water vapour of object and heavy oil gas becomes clean oil mixing with water vapour.
By clean oil mixing with water vapour through condensation process, oil-water mixture and on-condensible gas are obtained；On-condensible gas is carried out
Heating chamber is returned as auxiliary fuel after purified treatment.
Oil-water mixture is separated using density contrast, is purified water and purification light oil, the purification that will be isolated
Light oil is stored, and the purified water being collected into is used as system circulating water；Dust-laden oil is mutually divided using density contrast
From being purified mink cell focus and oil-containing solid phase particles object；The purifying heavy oil isolated is stored or is recycled, oil-containing solid phase
Particulate matter is transmitted back to heating chamber and carries out separating treatment again.
As shown in Figure 1, the invention also discloses a kind of oily waste advanced treatment systems, comprising: heating device, temperature control
Dust-extraction unit, condensing unit, liquid phase separating device, equipment for separating liquid from solid.
The heating chamber for holding starting material is provided in heating device, the gas inlet connection of heating device generates high
The smoke generating apptss of warm flue gas；It is mixed to resolve into the grease containing dust particle for starting material heat resolve in heating chamber
Solid material after closing vapour and handling, solid material is discharged after processing, and the oil mixing with water vapour containing dust particle enters temperature control
In dust-extraction unit.
The air inlet of temperature control dedusting device is connected with the exhaust outlet of the heating device, the spray in the temperature control dedusting device
Leaching head connects the medium fluid reservoir for supplying cryogenic media；Oil mixing with water vapour containing dust particle is in temperature control dedusting device
Middle spray cryogenic media forms the dust-laden oil mutually oil mixing with water vapour with cleaning.
The air inlet of condensing unit is connected with the gas outlet of the temperature control dedusting device, the oil outlet of condensing unit with it is described
The oil inlet of liquid phase separating device is connected, and the exhaust outlet of the condensing unit is connected with the gas inlet of the heating device；It is clean
Net oil mixing with water vapour enters in condensing unit, and is condensed into oil-water mixture and on-condensible gas.On-condensible gas passes through gas
After purification device purification, heating chamber is returned as auxiliary fuel.
The oil outlet connection of liquid phase separating device is for storing the light oil storage tank of purification light oil；Into liquid phase separating device
Oil-water mixture is separated into purified water and purification light oil using density contrast, and purification light oil, which enters in light oil storage tank, to be stored.
Temperature control dedusting device discharge gate is connected with the feed inlet of the equipment for separating liquid from solid, and dust-laden oil is mutually being separated by solid-liquid separation dress
It sets middle utilization density contrast and is separated into purifying heavy oil and oil-containing solid phase particles object, the oil outlet of equipment for separating liquid from solid is connected for depositing
The heavy oil storage tank of purifying heavy oil is stored up, the purifying heavy oil isolated, which enters in heavy oil storage tank, to be stored.The row of equipment for separating liquid from solid
Useless mouth is connected with the feed opening of the heating device, and oil-containing solid phase particles object returns to heating device and separated again.
The feed opening of heating device is connected with pretreatment unit, and pretreatment unit is provided with separating sieve.Into heating device
Before, starting material first passes through pretreatment unit sorting, and bulk impurity is selected and crushed, making whole starting materials all becomes thin
Then granule materials are being sent into heating device, are keeping the material of heating tiny, are being convenient for abundant heat resolve.
Claims (6)
1. a kind of oily waste deep treatment method, which is characterized in that this method comprises the following steps:
Starting material is transported in heating chamber；
The heating chamber is heated using high-temperature flue gas, obtains solids after the oil mixing with water vapour containing dust particle and processing
Material；
By the oil mixing with water vapour containing dust particle by spray cryogenic media, dust-laden oil phase and clean grease are obtained
Mixed steam；
By the oil mixing with water vapour of the cleaning through condensation process, oil-water mixture and on-condensible gas are obtained；
The oil-water mixture is separated using density contrast, is purified water and purification light oil；By the dust-laden oil phase
It is separated using density contrast, is purified mink cell focus and oil-containing solid phase particles object；
The obtained purifying heavy oil and purification light oil are stored or recycled, the obtained purified water is unified
Outlet or as system circulating water.
2. oily waste deep treatment method according to claim 1, which is characterized in that carry out the on-condensible gas
Then purified treatment obtains high-temperature flue gas as aid fuel combustion, heats to the heating chamber.
3. oily waste deep treatment method according to claim 1, which is characterized in that by the oil-containing solid phase particles
Object is sent to heating chamber and is heated.
4. a kind of oily waste advanced treatment system characterized by comprising heating device, temperature control dedusting device, condensation dress
It sets, liquid phase separating device, equipment for separating liquid from solid；
The heating chamber for holding starting material is provided in the heating device, the gas inlet of the heating device, which connects, to be produced
The smoke generating apptss of raw high-temperature flue gas；
The air inlet of the temperature control dedusting device is connected with the exhaust outlet of the heating device, the spray in the temperature control dedusting device
Leaching head connects the medium fluid reservoir for supplying cryogenic media；
The air inlet of the condensing unit is connected with the gas outlet of the temperature control dedusting device, the oil outlet of the condensing unit with
The oil inlet of the liquid phase separating device is connected, the gas inlet phase of the exhaust outlet of the condensing unit and the heating device
Even；
The temperature control dedusting device discharge gate is connected with the feed inlet of the equipment for separating liquid from solid, the row of the equipment for separating liquid from solid
Cinder notch is connected with the feed opening of the heating device.
5. oily waste advanced treatment system according to claim 4, which is characterized in that the charging of the heating device
Mouth is connected with pretreatment unit, and the pretreatment unit is provided with separating sieve.
6. oily waste advanced treatment system according to claim 4, which is characterized in that the exhaust of the condensing unit
Gas cleaning plant is installed between mouth and the gas inlet of the heating device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016102890261 | 2016-05-04 | ||
| CN201610289026 | 2016-05-04 |
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| CN106007284B true CN106007284B (en) | 2019-01-22 |
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| CN109052881A (en) | 2018-09-12 | 2018-12-21 | 上海华畅环保设备发展有限公司 | Oil-base mud landwaste eddy flow rotation de-oiling method and device |
| CN109267953B (en) * | 2018-09-12 | 2020-12-29 | 上海华畅环保设备发展有限公司 | Method and device for recycling mud and base oil in waste oil-based drilling fluid in grading manner |
| 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 |
| 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 |
| 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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| JPH10192894A (en) * | 1996-12-27 | 1998-07-28 | Nkk Corp | Method for treating sludge containing oil and iron |
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