CN1868931A - Technological method and equipment for separating and purifying oil-containing mud sand - Google Patents
Technological method and equipment for separating and purifying oil-containing mud sand Download PDFInfo
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- CN1868931A CN1868931A CNA2006100468182A CN200610046818A CN1868931A CN 1868931 A CN1868931 A CN 1868931A CN A2006100468182 A CNA2006100468182 A CN A2006100468182A CN 200610046818 A CN200610046818 A CN 200610046818A CN 1868931 A CN1868931 A CN 1868931A
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treatment Of Sludge (AREA)
Abstract
A separating and cleaning process for oily silt includes such steps as pulping the oily silt in storage pool, stirring while adding demulsifying oxidant and organic cationic surfactant, removing sand in class-one sand remover, removing oil in ultrasonic reactor, removing sand and oil from the residual oil-silt mixture respectively in class-two sand remove and ultrasonic reactor, and cleaning in a cleaning tank containing flocculant.
Description
Technical field
The present invention relates to the purification treatment technology field of oil-containing mud sand, specifically a kind of processing method and equipment that utilizes the oil-containing mud sand isolation of purified of physics, chemistry and the processing of ultrasonic wave comprehensive purifying.Utilize this processing method and equipment waste oil silt particle after treatment can form four kinds of products up to standard, both oil, mud, sand, water.
Background technology
As everyone knows, along with deepening continuously of China's modernization construction, the demand of the energy will be increasing.The relative China of petroleum resources belongs to relatively deficienter country, and quite a few is by import.Because the oilfield exploitation of China is relatively backward, wherein adopt the method for landfill for the treatment process of the oil field waste oil mud (crude oil that wherein occupies 10-30%) that in recovery process, is produced more, in addition, also some oil recovery factory simply abandons in the hole of fixed point, has both made the oil in most of oil hole, hole of landfill also all float to the face of land after a while and ooze in underground.Such greasy filth hole is a lot of at the oil producing region in oil field, because the existence in these greasy filth holes has produced environment and seriously influenced, destroyed ecotope, taken large stretch of peasant soil.More seriously polluted underground water resource, surface water resources threaten to the health and the existence of the mankind and earth's surface biological, but also have wasted a large amount of petroleum resources.Particularly important greasy filth, water is progressively to depth of stratum infiltration, at certain field area pollution to resident's tap water taken place, and causes serious harm for HUMAN HEALTH.Therefore, a kind of waste oil mud that the oil recovery factory, oil field is produced in recovery process of necessary invention carries out the Technology of isolation of purified, thereby the waste oil mud that produces is carried out purifying treatment at any time.
Greasy filth produces and mainly contains four channels:
The one: what take place in the prospect drilling process lands oil, mud and profit.
The 2nd: recover the oil to advance in later stage produce oil production, to have contained a large amount of water and silt.
The 3rd: in the bed mud that the storage tank prodelta clay is tired out, contain the oil of different ratios.
The 4th: pipe leakage is in earth in the oil transportation process.
The oil field is through decades exploitations, and these greasy filth are regarded as the rubbish that waste and temporary transient method are handled, and is stacked in the artificial Da Chi hole neutralization nature depression.
Oil in the greasy filth since several years and as for many decades be exposed in the atmosphere, the Exposure to Sunlight wind erosion, the lightweight oil component volatilizees, surplus for mink cell focus and bituminous matter and soil, sand etc. deep be fused into the aging greasy filth that is referred to as for people's normal open, difficult.
With regard to some oil sumps, there has been many decades, heavy crude recovery sewerage has been deposited in the inside, clear jar jar bed mud, and land oily related silt mixture, inject hollow place together.
The greasy filth characteristic:
Outward appearance: oil immersion is in earth, and integral body is the black paste
Proportion: 〉=1, be about 1.5--1.8 (being sunken in the water)
Oil length: usually in 20 ~ 30% scopes.
Envrionment temperature: subzero 30 ℃-30 ℃ above freezing.————————————
Main chemical: husky and native, petroleum-type also has a large amount of positively charged ion Na
+, K
+, Ca
+, Mg
2+, Fe
2+Deng, negatively charged ion Cl
-, SO
4 2-, CO
3 2-, HCO
3 -Deng and also have some heavy metal ion.
Malthenes density:--0.92
The malthenes condensation point:--42 ℃
Oil melts flow point:--70 ℃------
Also contain in addition: domestic refuse and other solid waste such as more organic substance and vial, plastics bag, branch weeds.
Summary of the invention
The purpose of this invention is to provide a kind of processing method and equipment that utilizes the oil-containing mud sand isolation of purified of physics, chemistry and the processing of ultrasonic wave comprehensive purifying.
The object of the present invention is achieved like this: its method is: by slush pump the greasy filth slurry is sent into material storage container from the greasy filth hole earlier, oil sludge and sand in the material storage container is 60-80 ℃ in temperature, adding breakdown of emulsion oxygenant dilute sulphuric acid, ferrous sulfate or ferric sulfate under stirring, its consumption accounts for the 4-10% that contains former oil mass, after reaction 5-30 minute, add the organic cation tensio-active agent again, add-on accounts for the 4-10% that contains former oil mass, when reaction pumped into the desanding of one-level sand separator after 5-30 minute; Greasy filth mixture after the one-level desanding pumps into oil removing in the ultrasonic response still, and the crude oil after the separation is discharged by the oil outlet on ultrasonic response still top, and isolating silt particle is discharged by the outlet of reactor bottom; And then remaining greasy filth mixture is pumped into the secondary sand separator carry out desanding again and the oil removing again of secondary ultrasonic response still; Remaining greasy filth mixture after secondary desanding and the oil removing is pumped in the purification pot again, add an amount of water purifying flocculating agent and purify, purification temperature is 30-40 ℃, meets water discharging or reuse up to standard, silt particle qualified discharge, backfill.
Its concentration of dilute sulphuric acid of the breakdown of emulsion oxygenant of indication of the present invention is 3-10%.
The organic cation tensio-active agent of indication of the present invention is sodium oleate, sodium stearate or Sodium dodecylbenzene sulfonate.
The water purifying flocculating agent of indication of the present invention is: macromolecule cation type polymerize aluminum chloride, bodied ferric sulfate, poly-propionyl ammonia.
Oil-containing mud sand separation purifier of the present invention, it comprises the reactor of being with opening for feed, discharge port and manhole: it is characterized in that: the sidewall of reactor is provided with a greasy filth mixture opening for feed, wherein the tangential direction of opening for feed and reactor cylindrical wall is the 30-60 degree, top at reactor is provided with oil discharge outlet, bottom at reactor is provided with sand removing hole, also is provided with a greasy filth mixture discharge port in the bottom of reactor sidewall; Also be provided with a ultrasonic transducer oil removal plant on the reactor feed pipe or on the reactor inwall.
The present invention includes: the ultrasonic transducer oil removal plant that is arranged on reactor opening for feed pipeline is the Polygons tube structure, uniform distribution transverter on Polygons tube structure outer wall, and the power sum total of this oil removal plant is 2-20KW.
The present invention also comprises: the ultrasonic transducer oil removal plant that is arranged on the reactor inwall is equally distributed, and the power sum total of its oil removal plant is 4-40KW.
Isolation of purified mechanism of the present invention:
(1) heating all mixes
Viscous crude, super viscous crude are the decorating film form and exist under the normal temperature state.During processing and water mix in one, when heating to molten mixed state, drop into medicament AB, the effect of medicament AB be can make emulsification profit macromole polymer execute reverse emulsification, intermolecular the looking that destroys water-in-oil-type and oil-in-water-type made a concerted effort, and electric attraction, implement detached job for next step and lay the first stone.
(2) the powerful shearing
This oil sediment isolation technique is to develop at the different oily characteristics in each oil field, mainly is made up of powerful Reaction Separation device.Through the medicament breakdown of emulsion oil, water, silt mixture, in reactor, be subjected to the mechanical impact force effect, continue to strengthen the breakdown of emulsion reaction, and separate according to layer in the cyclone separator that do not coexist of proportion separately according to them.Separator is to design at the different individual characteies of oil, silt, water three-phase material.The singularity of its structure has guaranteed the phase splitting of oil, silt, water.
(3) ultra-sonic oscillation breakdown of emulsion, oil removing
All mix in heating, on the mechanical stirring cyclonic separation basis, still have some oil that are dissolved in the water, still closely be combined into hydrate molecule; In addition, owing to oil and silt flood for many years, interpenetrate also to combine securely.And these oil sediment groups are exposed in the atmosphere for many years, wind and weather, solar radiation make that light component has volatilized totally in the oil product, surplus more bituminous matter, colloid adhere in grains of sand surface and the hole, be very difficult to peel off, only under the ultrasonic wave radiation, interrupt the interionic chemical bond and make oil-sand separate with other power key.
Ultrasonic wave produces powerful vibration in water medium, thereby three kinds of effects take place
Cavitation effect
Owing to have minimum gas in the water medium, under the ultrasonic wave effect, produce countless little cavitation nucleus.By the gas of adiabatic compression,, produce high temperature, high pressure in the nuclear in the nuclear in the moment that is compressed end of a period.One data shows; Can produce 50 ~ 500Mpa pressure, 1600 ℃ ~ ~ 5000 ℃ high temperature, the oxidized degraded of organism in such environment center; The different substances bonding force is destroyed, and oil is peeled off out from the silt body.
Radical effect
Water mixes in the liquid because the existence of oxygen, in High Temperature High Pressure caryclastic moment, produced strong wallop, molecular interaction state is destroyed, form a large amount of free radical (OH) of son, thereby this free radical is that various material generation redox reactions have been destroyed the adhesive power of oil and silt and come off in strong oxidizer and the solution mixture.And can produce powerful shockwave bombardment silt in cavitation nucleus moment of breaking, thereby the oil substances that is directed at the silt surface adhesion comes off.
Mass transfer effect
The result of ultra-sonic oscillation makes mixed solution inside that powerful vibration take place and feeds through in each crack of silt body, so guaranteed each particle in the mixed solution, each molecule group, each all has been subjected to uniform radiating effect between misunderstanding each other.
The ultrasonic wave separator has guaranteed that oil, silt separate with oil substances
(4) purification separation
The oil sediment water mixed liquid, be heated, all mix, chemical demulsification, mechanical means strengthen and separate, and the ultrasonic degradation viscosity reduction, peel off and the comprehensive action result is answered in cleaning, this inconsistent three-phase mixture, in follow-up functional separation device, purification separation, thus realized the separating effect of oil, silt, water three-phase material.
The oil purification separator owing to his special construction, has guaranteed the pure property of isolated oil.
The water decontaminating separator more plays water, isolating effect that oily two-way is unimpeded.
Silt is then discharged outside mixture because of the characteristic of oneself, flows in the silt mummifying pool, also in the Nature.
Oil-sand separates, greasy filth separates because the waste oil mud that can't handle by certain method, makes it to reach in the present invention, has fundamentally realized the purification surface water, purifies the soil, has improved environment, thoroughly solves waste oil mud and handles a difficult problem.It is turned waste into wealth, benefit the people.That the present invention adopts is fixed, vehicular all can have flexibly, make things convenient for, less investment, and running cost is low, and regulation effect is up to standard.By in oil field site disposal practice, obtain good benefit, the popularization of this technology will produce good social influence.
Below in conjunction with accompanying drawing the present invention is described in further detail.
Description of drawings
Fig. 1 is a technical process simplified schematic diagram of the present invention.
Fig. 2 is a kind of ultrasonic wave oil removing reactor structural representation of the present invention
Fig. 3 is an another kind of ultrasonic wave oil removing reactor structural representation of the present invention
Fig. 4 is a purification pot architecture simplified schematic diagram of the present invention
To be described in further detail invention by example below, but following example only is the present invention's example wherein, the rights protection scope of not representing the present invention and being limited, the scope of the present invention is as the criterion with claims.
Embodiment
Example 1
By shown in Figure 1, by slush pump greasy filth pulp mixture double centner is sent into from the greasy filth hole earlier and all mixed heating bath 1, oil sludge and sand in all mixed heating bath 1 is 60-80 ℃ in temperature, adding breakdown of emulsion oxygenant dilute sulphuric acid under stirring, its consumption accounts for the 7-9% that contains former oil mass in the greasy filth pulp mixture, after reaction 20 minutes, add organic cation tensio-active agent sodium dodecyl benzene sulfonate aqueous solution again, add-on accounts for the 6-8% that contains former oil mass, pump into all mixed Reaction Separation device 3 by slush pump 2 after reacting 20 minutes, the time is 2-5 minute; Directly enter 4 desanding of one-level sand separator then, the greasy filth mixture after the one-level desanding pumps into oil removing in the ultrasonic response still 5;
Comprise opening for feed 504 in the ultrasonic response still 5 (shown in Figure 2), discharge port 505 and manhole, the greasy filth mixture opening for feed 504 of ultrasonic response still is arranged on the sidewall of this reactor, wherein the tangential direction of opening for feed and reactor cylindrical wall is the 30-60 degree, be provided with oil outlet 502 at the top of reactor, be provided with sand removing hole 503 in the bottom of reactor, also be provided with a greasy filth mixture discharge port 505 in the bottom of reactor sidewall, also be evenly distributed with ultrasonic transducer oil removal plant 506 on the reactor inwall, the power sum total of this oil removal plant is 4-40KW; Among the figure 507 is the ultrasonic transducer power supply in addition.
Crude oil after ultrasonic response still 5 separates is discharged by the oil outlet 502 on ultrasonic response still top, and isolating silt particle is discharged by the sand removing hole 503 of reactor bottom; And then remaining greasy filth mixture is pumped into secondary sand separator 6 carry out desanding again and 7 oil removings again of secondary ultrasonic response still (structure of this structure and aforesaid reactor 5 can be identical, also can be different), wherein different structures, as shown in Figure 3, the sidewall of reactor 7 is provided with a greasy filth mixture opening for feed 704, wherein the tangential direction of opening for feed and reactor cylindrical wall is the 30-60 degree, be provided with oil discharge outlet 702 at the top of reactor, be provided with sand removing hole 703 in the bottom of reactor, also be provided with a greasy filth mixture discharge port 705 in the bottom of reactor sidewall; On the reactor feed pipe, also be provided with a ultrasonic transducer oil removal plant 706.This ultrasonic transducer oil removal plant is the Polygons tube structure, uniform distribution transverter on Polygons tube structure outer wall, and the power sum total of this oil removal plant is 2-20KW.
Remaining greasy filth mixture after secondary desanding and the oil removing is pumped in the purification pot 8 again, the 1 liter of water purifying flocculating agent of poly-propionyl ammonia that adds mass concentration 10% purifies, purification temperature is 30-40 ℃, enter the inlet 8-2 of first class purification jar by the mixed solution of last secondary ultrasonic wave oil removing reactor outlet discharge, oil is wherein discharged by oil discharge outlet 8-1, the water that purifies is entered the inlet 8-5 of next stage purification pot by relief outlet 8-3, purify back water up to standard and discharged by relief outlet 8-6, part mud is discharged by following mud discharging mouth 8-4 and is met water discharging or reuse up to standard; The silt particle that meets the qualified discharge requirement is through 9 dischargings of silt particle receiving tank, backfill.
Example 2: laboratory experiment method, step, result
Place: safe Kang County, Daqing
Unit: the favorable to the people Ingegneria Ambientale SRL of grand celebration
Equipment:＜1〉laboratory equipment
＜2〉one of ultrasonic equipment (1kw)
＜3〉medicament is some
Step:
1, get greasy filth 100mg in the grand celebration oil recovery factory greasy filth hole, oil-containing is not tested.Put into the Glass Containers of 1000ml, add the aqueous solution of 400ml, add oil removing breakdown of emulsion oxygenant dilute sulphuric acid 10ml, its concentration is 10%, tensio-active agent sodium dodecyl benzene sulfonate aqueous solution 10ml, according to various places oil sludge and sand oleaginousness difference, medicament and consumption all can be adjusted.Heat simultaneously to 70 degree with the glass stick stirring, the reaction times is 10 minutes.
2, the oil-water mixture of come-up is poured out, remaining silt particle, water and Glass Containers were put into the ultrasonic equipment radiation 10 minutes together.
3, the material after the ultrasonication being stirred the back placed 20 minutes;
4, stir in the mixture with positively charged ion water purification agent polymerize aluminum chloride, bodied ferric sulfate 10ml solution adding mud and water, and will weigh after the remaining silt particle oven dry in bottom.Other processing step is identical with example 1.
Result of laboratory test:
1 " takes out after oil cooling coagulates and be weighed as 10mg.
2 " be weighed as 85mg after the silt particle oven dry.
3 " water is tested oil-containing 0.01g.
4 " the thin mud post precipitation oven dry in the water is weighed as 3mg.
Example 3: medium-sized test method, step, result
Place: safe Kang County, Daqing
Unit: the favorable to the people Ingegneria Ambientale SRL of grand celebration
Equipment: (1) stainless steel pilot plant one cover
(2) two of ultrasonic equipments (3kw)
(3) medicament is some wherein has: inorganic coagulant hangs down molecule (ferric sulfate, sodium hydroxide).Organic coagulating agent tensio-active agent positively charged ion (sodium oleate), polypropylene acyl ammonia.
Method steps:
1, the greasy filth 50Kg in the greasy filth hole, grand celebration one oil recovery factory, oil-containing 20%.Put into reactor, add the aqueous solution of 100Kg, add sulfuric acid, ferric sulfate, each 1000ml of tensio-active agent sodium dodecyl benzene sulfonate aqueous solution, according to various places oil sludge and sand oleaginousness difference, medicament and consumption all can be adjusted.Stir and heat simultaneously to 70 degree, the reaction times is 10 minutes.
2, the material in the reactor is fallen with mud be pumped into the sand separator desanding.Regulate surplus valve may command desanding amount.
3, material enters the ultrasonic wave oil removal plant from the sand separator overflow port, ultrasonic wave radiation 10 minutes.Ejected by the oil of adding hot water in equipment middle part with top, oil enters the receipts fuel tank, and the silt particle rapid subsidence is discharged by lower curtate to lower curtate, and intermediary muddy water enters next stage.
4, the muddy water after the ultrasonic wave oil removing is sent into cleaner, adds water purification agent in ingress: polypropylene acyl ammonia.Stir sedimentation and enter subordinate's cleaner after 10 minutes.
5, the clear water behind the final stage purification utensil is flowed out by the middle part of equipment.
6, whole process being adopted the water sample, oil sample, the sand sample that stay chemically examines.Other processing step is identical with example 1.
Result of laboratory test:
1) oil in Glass Containers after the sedimentation in 24 hours the water of lower curtate to discharge remaining oil be 10mL.
2) be weighed as 30kg after the silt particle oven dry.
3) water is tested oil-containing 0.01g.
4) the thin mud post precipitation oven dry in the water is weighed as 10mg.
5) silt particle is 0.05mg through chemical examination survey oil-containing.
Conclusion: 1) isolated oil is first-class oil
2) mud, sand, water meet discharging standards fully.
Example 4:
Place: safe Kang County, Daqing
Equipment: the art of this patent suite of equipment one cover
Time: 2005-9-06---9-08
Exploiting entity: the favorable to the people Ingegneria Ambientale SRL of grand celebration
Assistance unit: safe Kang County, Daqing land resources office
Assistance unit: Daqing oil field Environmental Protection Agency
Equipment test run(s) concrete grammar, step are as follows:
1, flow process first procedure: material storage container; Get experiment materials 10T (greasy filth slurry), raw material is heated to 70 degree with steam oven.Wherein greasy filth 1T, water 9T, oil-containing 10% in the greasy filth, and water is clear water.Adding medicament when stirring in material storage container is that degreaser (ferric sulfate, sulfuric acid), tensio-active agent reaction times are 20 minutes.
2, flow process second operation work: one-level desanding; 10T raw material in the material storage container is sent into the one-level sand separator with slush pump (30 cubic meters/hours of flows) lifting, discharge sand sampling 500g through regulating terminal valve macrobead sand.
3, flow process three process: one-level ultrasonic wave oil removing; Material pressure do with under enter one-level ultrasonic wave oil removing reactor, oil is flowed out from last oil outlet enter oil storage vessel through regulating outlet valve.
4, flow process the 4th procedure: secondary desanding; With the pipeline slush pump raw material is sent into the secondary sand separator from the outlet of ultrasonic wave oil removing Polycondensation Reactor and Esterification Reactor, a large amount of sand is discharged from the bottom through regulating terminal valve.Sand sampling 500g.
5, flow process five processes: secondary ultrasonic wave oil removing; Material pressure do with under enter secondary ultrasonic wave oil removing reactor, oil is flowed out from last oil outlet enter oil storage vessel through regulating outlet valve.
6, flow process the 6th procedure: first class purification; Material enters the first class purification jar from the outlet of secondary ultrasonic wave oil removing reactor, and import is located at the tank body middle part, adds water purification agent (high molecular polymerization aluminum chloride) simultaneously, and a large amount of floss throw outs and mud have the bottom to enter dried mud groove.Its upper side is installed fuel-displaced device and oil outlet, and oil flows out from oil outlet and enters oil storage vessel, and water purification top goes out outflow and enters next stage.
7, flow process the 7th procedure: secondary purification; The inlet of secondary purification jar is located at the top of jar, and oil outlet is located at top and oil removal plant is arranged, and pure water inlet is located at the middle part of tank body.Bottom outlet discharge section mud enters dried mud groove.Sand sampling 500mg.
To 24 hours natural subsidence of the oil thermal insulating in the oil storage vessel.
Sand sample and the water sample got in the experiment are chemically examined.
(annotate: identical with example 1 for processing step.)
Result of laboratory test:
1) the one-level sample oil-containing 0.05g that shakes out.
2) the secondary sample oil-containing 0.03g that shakes out.
3) oil is moisture through 12 hours sedimentation posteriority is 10%, receives 10 kilograms of oil.
4) water sample chemical examination oil-containing 0.01%
Utilize pilot plant to use inorganic coagulant to hang down molecule (sulfuric acid, ferric sulfate) respectively, organic coagulating agent, the different pharmacy tests of tensio-active agent positively charged ion (sodium oleate, sodium stearate, Sodium dodecylbenzene sulfonate), the result is fine, oil has obtained recovery, and water and sand all meet discharging standards.
Claims (8)
1, a kind of processing method of utilizing the oil-containing mud sand isolation of purified of physics, chemistry and the processing of ultrasonic wave comprehensive purifying, its method is: by slush pump the greasy filth slurry is sent into material storage container from the greasy filth hole earlier, oil sludge and sand in the material storage container is 60-80 ℃ in temperature, adding breakdown of emulsion oxygenant dilute sulphuric acid, ferrous sulfate or ferric sulfate under stirring, its consumption accounts for the 4-10% that contains former oil mass, after reaction 5-30 minute, add the organic cation tensio-active agent again, add-on accounts for the 4-10% that contains former oil mass, when reaction pumped into the desanding of one-level sand separator after 5-30 minute; Greasy filth mixture after the one-level desanding pumps into oil removing in the ultrasonic response still, and the crude oil after the separation is discharged by the oil outlet on ultrasonic response still top, and isolating silt particle is discharged by the outlet of reactor bottom; And then remaining greasy filth mixture is pumped into the secondary sand separator carry out desanding again and the oil removing again of secondary ultrasonic response still; Remaining greasy filth mixture after secondary desanding and the oil removing is pumped in the purification pot again, add an amount of water purifying flocculating agent and purify, purification temperature is 30-40 ℃, meets water discharging or reuse up to standard, silt particle qualified discharge, backfill.
2, the processing method of oil-containing mud sand isolation of purified according to claim 1 is characterized in that: its concentration of the dilute sulphuric acid of breakdown of emulsion oxygenant is 3-10%.
3, the processing method of oil-containing mud sand isolation of purified according to claim 1 is characterized in that: the organic cation tensio-active agent is sodium oleate, sodium stearate or Sodium dodecylbenzene sulfonate.
4, the processing method of oil-containing mud sand isolation of purified according to claim 1 is characterized in that: water purifying flocculating agent is: macromolecule cation type polymerize aluminum chloride, bodied ferric sulfate, poly-propionyl ammonia.
5, the processing method of oil-containing mud sand isolation of purified according to claim 1 is characterized in that: also be provided with one and all mix the Reaction Separation device between material storage container and sand separator.
6, a kind of oil-containing mud sand separation purifier that utilizes physics, chemistry and ultrasonic wave comprehensive purifying to handle, it comprises the reactor of being with opening for feed, discharge port and manhole: it is characterized in that: the sidewall of reactor is provided with a greasy filth mixture opening for feed, wherein the tangential direction of opening for feed and reactor cylindrical wall is the 30-60 degree, top at reactor is provided with oil discharge outlet, bottom at reactor is provided with sand removing hole, also is provided with a greasy filth mixture discharge port in the bottom of reactor sidewall; Also be provided with a ultrasonic transducer oil removal plant on the reactor feed pipe or on the reactor inwall.
7, oil-containing mud sand separation purifier according to claim 6, it is characterized in that: the ultrasonic transducer oil removal plant that is arranged on reactor opening for feed pipeline is the Polygons tube structure, uniform distribution transverter on Polygons tube structure outer wall, the power sum total of this oil removal plant is 2-20KW.
8, oil-containing mud sand separation purifier according to claim 6 is characterized in that: the ultrasonic transducer oil removal plant that is arranged on the reactor inwall is equally distributed, and the power sum total of its oil removal plant is 4-40KW.
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| CNB2006100468182A CN100453482C (en) | 2006-06-06 | 2006-06-06 | Technological method and equipment for separating and purifying oil-containing mud sand |
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| CNB2006100468182A CN100453482C (en) | 2006-06-06 | 2006-06-06 | Technological method and equipment for separating and purifying oil-containing mud sand |
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