CN206955874U - The processing system and its separation equipment of a kind of oily sludge - Google Patents

The processing system and its separation equipment of a kind of oily sludge Download PDF

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CN206955874U
CN206955874U CN201720220690.0U CN201720220690U CN206955874U CN 206955874 U CN206955874 U CN 206955874U CN 201720220690 U CN201720220690 U CN 201720220690U CN 206955874 U CN206955874 U CN 206955874U
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sludge
stirring
separation equipment
oil
outlet
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仇霞霞
李艺凡
冷增冰
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仇霞霞
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Abstract

The utility model discloses a kind of processing system of oily sludge and its separation equipment.The separation equipment includes stirring cylinder, first driving means, agitating shaft, multilayer insulating panel and stirring parts, the agitating shaft and is arranged in mixing drum body;The multilayer insulating panel will stir cylinder and be separated into more sheaf spaces, and each sheaf space in more sheaf spaces is provided with stirring parts, the stirring parts and stirring axis connection;The top of the stirring cylinder is provided with sludge import and the first oil slick outlet, the bottom of the stirring cylinder is provided with sludge outlet, and the bottom of the stirring cylinder or bottom are provided with the charging aperture for one or more of materials in extractant, dissolved air water and solid foam particle.The dehydration of the applicable various types of oily sludges of the processing system, while the oil content of greasy filth can also be greatly reduced, oil recovery, and the utility model will not produce the secondary pollutions such as waste water to greatest extent.

Description

The processing system and its separation equipment of a kind of oily sludge
Technical field
It the utility model is related to the processing system and its separation equipment of a kind of oily sludge.
Background technology
Greasy filth is primarily referred to as the oily sludge due to crude oil caused by a variety of causes or the formation such as other oil products and soil, with And oily sediment that system is taken out of in the normal production in oil field etc., it is a kind of solid waste rich in mineral oil, main component is former Oil, Ni Heshui.Solid particle size can be from insufficient micron to several inches, and oily composition depends on crude oil species, oil plant structure With operating condition, the composition of sludge may be changed over time and changed.Contain certain crude oil, heavy metal ion in usual sludge (Such as iron, copper, nickel)With inorganic salts compound etc..The materials such as benzene homologues, phenols are typically contained in these greasy filth, and with evil Smelly and toxicity, if directly being contacted with natural environment, soil can be made to poison, be acidified or alkalize, cause changing for soil and soil structure Become, hinder plant root growth and larger pollution can be caused to water body and vegetation, while also imply that the waste of petroleum resources.
Oily sludge belongs to heterogeneous system, typically by oil-in-water(O/W), Water-In-Oil(W/O)Formed with suspended solid, it is dirty Suspended solid, colloidal solid and oil, water in mud is fully emulsified, forms stable suspension emulsion system, viscosity is larger, it is difficult to Sedimentation.With complicated component, water content is high, volume is big, harmful components are most exceedes discharge standard, contains higher calorific value, comprehensive Close the characteristics such as Land use systems are few, intractability is big.
By China Hazardous Waste List, greasy filth is put into《National Hazard waste catalogue》In oily waste water species (HW08 ).Its chronicity and potentiality to environmental hazard, just attracts great attention.Carrying out greasy filth management and Study of Prevention Technology is One vital task of national environmental protection work at present.Therefore, how these oily sludges carry out innoxious and recycling, And the important environmental issue that pendulum is urgently to be resolved hurrily in face of oil refining industry.
The treatment technology of the solid waste such as oily sludge at present, mainly there is burning method, biological degradation method, solvent extraction Method, quenched-mechanical phonograph recorder separation, concentration desiccation method, microwave treatment method etc., the weak point of these methods may be summarized to be two classes: A kind of such as burning method and biological degradation method, put forth effort on control pollutant emission, have ignored the recycling of oil product resource;It is another kind of Such as solvent extraction, quenched-mechanical phonograph recorder separation, hot wash method, pyrolysismethod, oil product resource can be reclaimed, is but difficult to control waste water, waste residue Secondary pollution to environment, these methods can not all obtain balance between environment and benefit.
For example, solvent extraction is according to " similar compatibility " principle, suitable organic solvent is chosen to extract in greasy filth Organic matter, the oil in extract is then recovered by distillation again, circulation separates solvent from mixture by distillation Use.The advantages of this method is that technique is simple, and extractant may be reused, and shortcoming is that extractant is expensive, is recycled During there are a large amount of solvent losses, the greasy filth oil content after processing be more than 5% or so, do not reach existing solid pollutant Discharge standard.
Quenched-organizational separation method:Because oily sludge is typically all stable suspension emulsion system, so before dehydration Oily sludge is carried out quenched.Quenched method is in addition to dosing coagulant, flocculation aid, it is necessary to adds surfactant, breaks Emulsion, pH adjusting agent etc., while it is aided with the reinforcing means such as heating, to improve sludge physical property, change the character of oily sludge particle And ordered state, destroy the stability of colloid, so as to improve the dewatering of sludge, then using three-phase centrifuge to processing after Sludge carry out oil, water, mud three phase separation, have the characteristics that simple to operate, technology more maturation, practicality it is good, it is recyclable greatly Part oil.But its core technology is ultracentrifugal three-phase separating device, monopolized substantially by the country such as America and Europe, China is also difficult to Produce such device.The shortcomings that quenched-isolation technics:Because oily sludge species is a lot, existing dewatering machine equipment and medicament Combination can't generally be applicable.Therefore, the research to quenched-mechanical separation technology is limited only to single or a small number of greasy filth samples Product, poor universality, and, it is necessary to redefine coagulant during the different oily sludge of use(Species, dosage and dosing side Formula), demulsifier(Species, dosage and dosing method), dewatering machine model and operational factor.Furthermore when greasy filth oil-containing When measuring less, it is bad to centrifuge economic benefit.Treatment of Sludge effect can be influenceed because the solids content in centrifuge is higher, Oil-sludge treatment amount in this way it is relatively low, it is impossible to meet the existing requirement handled on a large scale.
Chemico-heating wash method:Oily sludge is washed repeatedly by hydrothermal solution, added in washing process efficiently, suitably Chemical agent, then it is heated, mix after staticly settle, realize separation of solid and liquid.The oil phase isolated enters after processing Oil storage tank, the recyclable utilization of cleaning fluid, remaining sludge then carry out recycling after dehydration reprocessing.The sieve of chemical reagent Choosing and using be chemico-heating wash technique key, heating, stirring separation process in, be mainly concerned with reduce interfacial tension, Emulsification, change the principle such as wetability and rigid interface film.But this method is only applicable to, and oil content is higher, emulsification lighter falls The crude oil recovery of ground crude oil and oil-sand processing, it is difficult to which processing emulsifies serious greasy filth and do not applied to but;Need to add substantial amounts of cost Expensive chemical agent, causes cost height;Oil-containing is higher in residue after processing, and the sludge residue water content after separation is more than 90% and contain substantial amounts of chemical agent, can also cause the secondary pollution such as waste water, waste residue problem, it is necessary to which further processing utilizes.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of processing system of oily sludge and its separation is set It is standby.The dehydration of the applicable various types of oily sludges of the processing system, expand application, while oil can also be greatly reduced The oil content of mud, oil recovery, and the utility model will not produce waste water to greatest extent, and also the sewage sludge waste slag after de-oiling contains Oil is very low, meets the discharge standard of solid pollutant, will not produce secondary pollution to environment, the scene that is especially suitable for is promoted should With.
The utility model provides a kind of separation equipment of oily sludge, and it includes stirring cylinder, first driving means, stirred Mix axle, multilayer insulating panel and paddle sheet;
The agitating shaft is arranged in mixing drum body, and the agitating shaft lower end drives through stirring cylinder body bottom and with first The clutch end connection of device, the first driving means are preferably motor, the tune that can more preferably rotate and reverse Speed motor;
The multilayer insulating panel will stir cylinder and be separated into more sheaf spaces, and each sheaf space in more sheaf spaces is respectively provided with There are stirring parts, the stirring parts are provided with centre bore with stirring axis connection, the multilayer insulating panel, and the diameter of the centre bore is big In the diameter of agitating shaft, the agitating shaft passes through centre bore;
The top of the stirring cylinder is provided with sludge import and the first oil slick outlet, it is preferable that first oil slick Outlet is connected with Fuel Tanking Unit, and the Fuel Tanking Unit is preferably oil storage tank;The bottom of the stirring cylinder is provided with sludge and gone out Mouthful;Be provided with the bottom of the stirring cylinder or bottom for one kind in extractant, dissolved air water and solid foam particle or The charging aperture of several materials, it is preferable that the charging aperture is connected with air-dissolving apparatus, and the air-dissolving apparatus is preferably air dissolved pump.
The stirring parts include stirring disk and stirring vane, and the stirring disk is provided with center hole and is set in stirring On axle, multiple stirring vanes are provided with the one or both sides of the stirring disk;Preferably, it is described to mix disk and stirring Blade is integrally formed;It is further preferred that it is provided with crushing knife tool on the stirring disk.
The multilayer insulating panel extends to the inwall of stirring cylinder;Preferably, the multilayer insulating panel is fixed on stirring cylinder On inwall, or by the way that in more connecting rods fixation mixing drum bodies, the connecting rod connects through multilayer insulating panel and with multilayer insulating panel Connect fixation, the roof of the connecting rod upper end connection stirring cylinder, the bottom wall of the connecting rod lower end connection stirring cylinder.
The first baffle that can be opened and closed is provided with the first oil slick outlet;Preferably, the first gear Plate is hinged with the first oil slick outlet;It is further preferred that the first baffle is discharged by axle and first oil slick Mouth is be hinged, and the both ends of the first axle are provided with crank, and the crank is connected with the first cylinder, and first cylinder drives the song Grip strip is moved first baffle and is turned on and off.
The separator equipment also includes the first oil-scraping device, and first oil-scraping device is located at top in mixing drum body And multilayer insulating panel top;Preferably, first oil-scraping device includes the first oil scraping plate and the second drive device, and described first Oil scraping plate and the second drive device are arranged on the opposite side of the first baffle, and second drive device is preferably the second gas Cylinder.
The utility model additionally provides a kind of processing system of oily sludge, including upper described one or more separation are set Standby, preferably 2~5 separation equipments, in addition to centrifuge, water storage device, sludge storage apparatus, ejector and high speed crush dress Put, the sludge import of the sludge outlet and centrifuge of the separation equipment connects, the delivery port and water storage device of the centrifuge Water inlet connection, the water inlet of the delivery port of the water storage device and ejector connects, the sludge of the sludge storage apparatus Outlet is connected with the sludge import of ejector, and the sludge outlet of the ejector is connected with the sludge import of high speed reducing mechanism, The sludge import of the sludge outlet and separation equipment of the high speed reducing mechanism connects.
When the processing system includes multiple separation equipments, the sludge outlet of one of separation equipment separates with another The sludge import connection of equipment, and sludge import of the bottom sludge outlet of the separation equipment again with next separation equipment connects Connect, so as to which multiple separation equipments be connected in series.
Delivery pump or high-pressure pump are provided with the pipeline of the delivery port connection of the water inlet and water storage device of the ejector; The high speed reducing mechanism includes crushing cylinder, rotating shaft and sets multiple fly cuttves row's crushing knife tool in rotating shaft, it is preferable that often arranges Crushing knife tool includes 2 ~ 8 crushing knife tools, circumferencial direction arrangement of the crushing knife tool in same row along rotating shaft.
The sludge storage apparatus is provided with the second oil slick outlet, and being provided with the second oil slick outlet to open With the second baffle of closing;Preferably, there is the second oil-scraping device in the couple positioned opposite of second baffle;It is further preferred that institute Stating the second oil-scraping device includes the second oil scraping plate and the 3rd drive device, and second oil scraping plate and the 3rd drive device are set In the opposite side of the second baffle, the 3rd drive device is preferably the 3rd cylinder.
The utility model additionally provides a kind of process for treating oil-containing sludge of system processed as described above, including following step Suddenly:
(1)The oily sludge of the sludge outlet discharge of the sludge storage apparatus enters ejector, while water storage device Water also enters in ejector, so as to form high-speed jet and spray into high speed reducing mechanism;Wherein, the water addition in water storage device There is demulsifier;
(2)Oily sludge is broken into fine particle, preferably micron particles by the high speed reducing mechanism, so as to which mud be made Slurry, then by slurry transportation into separation equipment, it is stirred in the separation equipment, stands, mixing time is preferably 5~ 30 min, time of repose are preferably 5~30min, are then scraped the oil slick on upper strata by the first oil-scraping device, the water of lower floor with The mixture of mud is discharged to centrifuge, and the centrifuge carries out centrifugal dehydration, and the water isolated is transmitted back to water storage device again;Wherein, Before separation equipment stirring and/or in whipping process, extractant, dissolved air water and solid foam are passed through in the bottom of separation equipment One or more in grain.
In step(1)In, it is 1 that water storage device, which enters the water of ejector and the part by weight of oily sludge,:(0.5~ 3), the temperature of water is preferably 70~90 DEG C in water storage device;The demulsifier is neopelex, polyoxyethylene nonyl phenyl second One or more in alkene ether, OPEO, AEO, the demulsifier is in water storage device reclaimed water In concentration be preferably 0.25wt%~2.0wt%.
In step(2)In, the dissolved air water is the water dissolved with gas, and the gas is air or nitrogen;The extractant For the one or more in petroleum ether, toluene, naphtha, gasoline, diesel oil, solvent naphtha, the solid foam particle is polyphenyl second One or more in alkene foam beads, polyvinyl chloride foam particle, polyurethane foam particles, phenol formaldehyde foam particle.
The processing method also includes the step of being pre-processed to oily sludge, includes the step of pretreatment:Removal contains Debris in greasy dirt, is then crushed and adds water and be mixed and made into mud mixture, then is transported to sludge storage apparatus.
Compared with prior art, the processing system of the utility model oily sludge and its processing method have the following advantages that:
(1)Separation equipment of the present utility model has multilayer insulating panel structure, and is provided with bottom for extractant, molten gas The charging aperture of one or more of materials in water and solid foam particle, in such extractant, dissolved air water and solid foam particle One or more of materials enter charging aperture after, pass sequentially through each sheaf space between dividing plate, and stirring parts rose at it It is sufficiently mixed and is contacted with oily sludge in journey, maximumlly realize bubble viscous oil, foam solid particle viscous oil or extraction The effect of agent extraction oil, oil is efficiently separated with water, sludge, avoid existing air-floating apparatus or extraction equipment mixing uneven It is even, the problem of partial sludge is difficult to separate with oil phase.
Bubble viscous oil:Coal tar, the mink cell focus appeared in after being washed to medicament in greasy filth is configured with a set of molten gas and filled Put, oils is adhered to using micro-bubble caused by dissolved air water, it is achieved thereby that thorough oil removing.During stirring parts stir, Greasy filth is sufficiently mixed and contacted in each layer with bubble, and coal tar, mink cell focus are attached on bubble, from hybrid separation equipment End discharge, the multilayer insulating panel design of inside original creation, mixes bubble and greasy filth more uniform, deoiling effect is more excellent.
Extractant extracts and foam solid particle viscous oil:Coal tar, the heavy in greasy filth are appeared in after being washed for medicament Oil, by adding extractant and/or foam solid particle, the multilayer insulating panel and stirring action created in hybrid separation equipment Under, after extractant and/or foam solid particle and greasy filth are sufficiently mixed, extractant and/or foam solid particle containing oil exist Discharge separation equipment upper end.
(2)The stirring parts of separation equipment of the present utility model are provided with stirring disk and stirring vane, so stir disk Formed and be staggered with multilayer insulating panel, when one or more of materials in extractant, dissolved air water and solid foam particle enter After material mouth, the baffling risen in more sheaf space inner curves, Ran Houzai can be formed by dividing plate and disk barrier in uphill process Coordinate the rotating of buncher and the regulation of speed, so as to further preferred stirring and mixing effect, make oil complete with water, sludge Separate entirely.
(3)The utility model processing system can include pretreatment unit, centrifuge, water storage device, sludge storage apparatus, Ejector, high speed reducing mechanism and separation equipment, early stage, pretreatment unit first carried out pretreatment crushing, then in the height of ejector Pressure impact causes second of crushing of sludge, and then by high speed reducing mechanism, rotation is beaten at a high speed, so as to be formed to oily sludge Multistage-combination is carried out to crush, oily sludge particle can be crushed to 5 microns it is powdered following, oily sludge particle can be ground into It is powdered, the oil in sludge is exposed, strengthens demulsification of the demulsifier to oily sludge, in combination with separation equipment The means such as multilayer insulating panel structure, bubble viscous oil, foam solid particle viscous oil or extractant, so front and rear each technological means phase interworking Close, influence each other, so as in the case where saving the dosage of demulsifier, the greasy filth that oil content is more than 30% is removed to Below residual oil content 3%, can oil recovery, and the utility model will not produce waste water to greatest extent, the greasy filth after the completion of processing is expired The discharge standard of sufficient solid pollutant, secondary pollution will not be produced to environment, be especially suitable for field popularization application.
(4)Centrifuge of the present utility model is dehydrated to the sludge of oil removing, and the water body separated is again introduced into water storage In device, so as to realize the reagents such as demulsifier and water circulation use, so that it is guaranteed that whole processing procedure does not produce waste water.
Brief description of the drawings
Fig. 1 is the schematic diagram of separation equipment of the present utility model;
Fig. 2 is the schematic diagram of the processing system of oily sludge of the present utility model;
Reference:1- sludge storage apparatus, 2- ejectors, 3- high speed reducing mechanisms, 4- separation equipments, 41- mixing drums Body, 42- agitating shafts, 43- multilayer insulating panels, 44- stirring parts, 45- sludge imports, 46- the first oil slick outlets, 47- charging apertures, 48- sludge outlets, 49- motors, 5- centrifuges, 6- water storage devices, 7- high-pressure pumps, 8- Fuel Tanking Units.
Embodiment
The technical solution of the utility model is described in detail with reference to embodiment, the example of the embodiment is shown in the accompanying drawings Go out, wherein same or similar label represents same or similar element or the member with same or like function from beginning to end Part.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining the utility model, and it is not intended that To limitation of the present utility model.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two More than, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can It to be to be joined directly together, can also be indirectly connected by intermediary, can be the connection of two element internals.For this area For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
The technical solution of the utility model, but it is not considered that the utility model are further illustrated below by embodiment It is limited only in following embodiment.
As shown in figure 1, the utility model provides a kind of separation equipment of oily sludge, it includes stirring cylinder 41, the One drive device, agitating shaft 42, multilayer insulating panel 43 and stirring parts 44, the agitating shaft 42 is arranged in stirring cylinder 41 and edge is stirred The extension of the axial direction of cylinder 41 is mixed, the lower end of the agitating shaft 42 is dynamic through the stirring bottom of cylinder 41 and with first driving means Power output end, which connects the multilayer insulating panel 43 and will stir cylinder 41, is separated into more sheaf spaces, each layer of sky in more sheaf spaces Between be provided with stirring parts 44, the stirring parts 44 are fixed on agitating shaft 42, and the multilayer insulating panel 43 is provided with centre bore, i.e., Each dividing plate is provided with centre bore, and the diameter of the centre bore is more than the diameter of agitating shaft 42, and the agitating shaft 42 passes through center Hole;The top of the stirring cylinder 41 is provided with the oil slick outlet 46 of sludge import 45 and first, described to stir under cylinder 41 Portion is provided with sludge outlet 48, is provided with the bottom of the stirring cylinder 41 or bottom for extractant, dissolved air water and solid The charging aperture 47 of one or more of materials in foam beads.Charging aperture 47 is located at the bottom of multilayer insulating panel 43.The dissolved air water For the water dissolved with gas, gas is air or nitrogen;Extractant is in petroleum ether, toluene, naphtha, gasoline, diesel oil, solvent naphtha One or more, the solid foam particle be polystyrene foam particles, polyvinyl chloride foam particle, polyurethane foam One or more in grain, phenol formaldehyde foam particle.
First driving means are preferably motor 49;The buncher that can more preferably rotate and reverse, so can be with Mixing speed is adjusted by buncher.
Stirring parts 44 only can select stirring vane.Alternatively, stirring parts 44 include stirring disk and stirred Mix blade, stirring disk is provided with center hole and is set on agitating shaft, stir be provided with the one or both sides of disk it is multiple The stirring vane;Preferably, disk is mixed to be integrally formed with stirring vane;If the device before separation equipment 4 crushes sludge not Thoroughly, particle is bigger, can also be provided with crushing knife tool on stirring disk, so can be by stirring disc rotary, band Dynamic crushing knife tool further crushes mud granule, so as to reach thoroughly crushing, fully wash and be kept completely separate oil phase and sludge Purpose.
Each layer of dividing plate in multilayer insulating panel 43 all extends to the inwall of stirring cylinder;Preferably, multilayer insulating panel 43 is fixed Fixed on the inwall of stirring cylinder, or by more connecting rods in stirring cylinder 41, connecting rod passes through multilayer insulating panel 43 simultaneously It is connected with multilayer insulating panel 43, the roof of connecting rod upper end connection stirring cylinder 41, connecting rod lower end connection stirring cylinder 41 Bottom wall.
In another embodiment of the present utility model, being provided with the first oil slick outlet 46 can open and close The first baffle closed;Preferably, the first baffle and the first oil slick outlet 46 are be hinged;It is it is further preferred that described First baffle is be hinged by axle and the first oil slick outlet 46, and the both ends of the first axle are provided with crank, the crank and First cylinder connects, and first cylinder drives the crank handle turns first baffle to be turned on and off.The first oil slick discharge Mouth 46 is strip.
Discharge oil slick can lean on gravity to flow out naturally, can also set the first oil-scraping device, and the first oil-scraping device, which is located at, to be stirred Mix the top in cylinder 41 and the top of multilayer insulating panel 43.First oil-scraping device includes the first oil scraping plate and the second drive device, First oil scraping plate and the second drive device are arranged on the opposite side of the first baffle.Second drive device is preferably Second cylinder.
The oil slick separated in order to facilitate reception, the first oil slick outlet 46 can pass through pipeline and Fuel Tanking Unit 8 connections.Fuel Tanking Unit 8 is preferably oil storage tank.
In another embodiment of the present utility model, the charging aperture is connected with air-dissolving apparatus, and the air-dissolving apparatus is excellent Elect air dissolved pump as.At work, air and water are sucked together by air dissolved pump import, then the impeller meet through air dissolved pump is into tiny Dissolved air water.After air dissolved pump, the volume concentration of gas phase in dissolved air water can be as high as 15v%, and micro air bubble diameter is smaller than 30 μm.
As shown in Fig. 2 the utility model provides a kind of processing system of oily sludge, including above-mentioned one or more Separation equipment 4, preferably 2~5 separation equipments 4, in addition to centrifuge 5, water storage device 6, sludge storage apparatus 1, ejector 2 With high speed reducing mechanism 3, the sludge outlet of the separation equipment 4 is connected with the sludge import of centrifuge 5, the centrifuge 5 Delivery port is connected with the water inlet of water storage device 6, and the delivery port of water storage device 6 is connected with the water inlet of ejector 2, and sludge stores The sludge outlet of device 1 is connected with the sludge import of ejector 2, the sludge outlet of ejector 2 and the sludge of high speed reducing mechanism 3 Import is connected, and the sludge outlet of the high speed reducing mechanism 3 is connected with the sludge import of separation equipment 4.
When the processing system includes multiple separation equipments 4, sludge outlet and another point of one of separation equipment 4 Sludge import from equipment 4 connects, and sludge of the bottom sludge outlet of the separation equipment 4 again with next separation equipment 4 enters Mouth connection, so as to which multiple separation equipments 4 be connected in series.
In order that current form suction effect, the water inlet of ejector 2 and the water outlet of water storage device 6 after entering ejector 2 Delivery pump or high-pressure pump 7 are provided with the pipeline of mouth connection.
The high speed reducing mechanism 3 can use and sludge is crushed to powdered beating equipment, and high speed reducing mechanism 3 can With including multiple rows of crushing knife tool in mashing cylinder, rotating shaft and setting rotating shaft.Often row's crushing knife tool includes 2~8 crushing knife tools, Circumferencial direction arrangement of the crushing knife tool along rotating shaft in same row.The rotating speed of high speed reducing mechanism 3 is 100~1000 revs/min Clock.High speed reducing mechanism 3 also includes motor, the material inlet of motor distal end and the material outlet of motor near-end of drive shaft. Motor can select the buncher that can be rotated and reverse.The profile of high speed disintegrator is in cylinder, can be horizontal or vertical Formula structure.
In another embodiment of the present utility model, sludge storage apparatus 1 is provided with the second oil slick outlet, The second baffle that can be turned on and off is provided with two oil slick outlets;Preferably, it is provided with the second oil-scraping device;It is further excellent Selection of land, second oil-scraping device include the second oil scraping plate and the 3rd drive device, second oil scraping plate and the 3rd driving Device is arranged on the opposite side of the second baffle.3rd drive device preferably the 3rd cylinder.
The utility model additionally provides a kind of process for treating oil-containing sludge of system processed as described above, including following step Suddenly:
(1)The oily sludge of the sludge outlet discharge of the sludge storage apparatus 1 enters ejector 2, while water storage device 6 Water also enter ejector 2 in, so as to form high-speed jet and spray into high speed reducing mechanism 3;Wherein, in water storage device 6 Water is added with demulsifier;
(2)Oily sludge is broken into fine particle, preferably micron particles by the high speed reducing mechanism 3, so as to be made Mud, then by slurry transportation into separation equipment 4, it is stirred in the separation equipment 4, stands, mixing time is preferably 5~30 min, time of repose are preferably 5~30min, are then scraped the oil slick on upper strata by the first oil-scraping device, lower floor's water Centrifuge 5 is discharged to the mixture of mud, centrifuge 5 carries out centrifugal dehydration, and the water isolated is transmitted back to water storage device 6 again;Wherein, Before separation equipment 4 stirs or in whipping process, extractant, dissolved air water and solid foam are passed through in the bottom of separation equipment 4 One or more in grain.
In step(1)In, the demulsifier is preferably neopelex, NPE, octyl phenol One or more in APEO, AEO, concentration of the demulsifier in the reclaimed water of water storage device 6 are To 0.25wt%~2.0wt%.
In step(1)In, it is 1 that water storage device 6, which enters the water of ejector 2 and the part by weight of oily sludge,:(0.5 ~3), the temperature of water is preferably 70~90 DEG C in water storage device 6.
In step(2)In, the dosage of gas all can float to upper strata i.e. depending on the situation of bubble oil slick until oily Can;The dissolved air water is the water dissolved with gas, and gas be air or nitrogen, the dosage of dissolved air water be the 20wt% of oily sludge~ 40wt%;Extractant is petroleum ether, one or more of extractants in toluene, naphtha, gasoline, diesel oil, solvent naphtha, extractant Dosage be oily sludge 0.2wt%~1.0wt%;Solid foam particle is polystyrene foam particles, polyvinyl chloride foam One or more in particle, polyurethane foam particles, phenol formaldehyde foam particle, the dosage of solid foam particle is oily sludge 1.0wt%~3.0wt%.
The step of processing method also includes pre-processing oily sludge, pre-treatment step includes:Remove oil-containing Debris in sludge, then crush and add water(The temperature of water is preferably 70 DEG C~90 DEG C)Mud mixture is mixed and made into, then It is transported to sludge storage apparatus 1.
Embodiment 1
Reference picture 1-2, by following embodiments, the utility model is described in further detail.
With oil tank bottom greasy filth(Sludge oil-containing is 30wt%, aqueous 35wt%, and remaining is solid matter)Exemplified by illustrate this reality With new specific embodiment.
(1)The processing method also includes the step of being pre-processed to oily sludge, includes the step of pretreatment:Remove Debris in oily sludge, then crushes and adds water and be mixed and made into mud mixture, then is transported to sludge storage apparatus 1.
(2)Ejector 2 suctions out greasy filth and high pressure sprays into impact grinding and high speed in high speed reducing mechanism 3 and shredded, jet The water source of device 2 uses the water in water storage device 6(Temperature is 80 DEG C), and high speed reducing mechanism 3 is further broken by high speed rotation Broken mud granule, so as to which greasy filth thoroughly crushes, the granularity of greasy filth particle reaches less than 5 microns.Water in water storage device 6 is added with Demulsifier(Neopelex, concentration 1.0wt%), the addition of demulsifier is relatively beneficial to the impacting with high pressure of ejector 26 The rotation chopping of the broken and high speed of high speed reducing mechanism 3.Water storage device 6 enters the water of ejector 2 and the weight of oily sludge Ratio is 1:1.
(3)Greasy filth after thoroughly crushing, which enters in the two-stage separation equipment 4 of series connection, sufficiently to be mixed, and is being stirred During, the charging aperture 47 in the bottom of separation equipment is passed through dissolved air water, and after dissolved air water enters separation equipment 4, air is from water Discharge and gradually floated by bottom, and the multilayer stirring parts of separation equipment 4 are stirred 10min in more sheaf spaces respectively, So that greasy filth and bubble or solid particle fully contact mixing, coal tar, mink cell focus be adhered on bubble or solid particle and on The top of separation equipment 4 is floated to, after standing the 10min times, the 3rd oil-scraping device scrapes oil, the mixing of the water and sludge of bottom Thing enters centrifuge 5, and system completes oil phase, aqueous phase, mud and is separated.Wherein, the dosage of dissolved air water is oily sludge 30wt%。
(4)After the water of bottom and the mixture of sludge enter centrifuge 5, it is centrifuged, completes aqueous phase and mud phase Separation.Water after separation returns to water storage device 6, and the reclaimed water of water storage device 6 is again introduced into ejector 2 and recycled, clean greasy filth Discharged from centrifuge 5, qualified discharge.
Final oil recovery rate is 97.2%, residual oil content 2.8%.
Embodiment 2
It is essentially identical with the processing method of embodiment 1 as another embodiment of the utility model, difference in:In step Suddenly(3)In, the charging aperture 47 in the bottom of separation equipment is passed through extractant, and extractant is toluene, and the dosage of extractant is oil-containing The 0.5wt% of sludge.Final oil recovery rate is 98.3%, residual oil content 1.7%.
It should be noted that each particular technique feature described in above-mentioned embodiment, can be by appointing What suitable mode is combined, its equally fall into it is disclosed in the utility model within the scope of.In addition, the utility model A variety of embodiments between can also be combined, as long as it without prejudice to thought of the present utility model, its is same Sample should be considered as content disclosed in the utility model.
Preferred embodiment of the present utility model, still, the utility model and unlimited is described in detail above in association with accompanying drawing Detail in above-mentioned embodiment, can be to skill of the present utility model in range of the technology design of the present utility model Art scheme carries out a variety of simple variants, and these simple variants belong to the scope of protection of the utility model.

Claims (10)

  1. A kind of 1. separation equipment of oily sludge, it is characterised in that:It includes stirring cylinder, first driving means, agitating shaft, more Layer dividing plate and stirring parts;
    The agitating shaft is arranged in mixing drum body, and the agitating shaft lower end passes through stirring cylinder body bottom and and first driving means Clutch end connection;
    The multilayer insulating panel will stir cylinder and be separated into more sheaf spaces, and each sheaf space in more sheaf spaces, which is provided with, to be stirred Part, the stirring parts and stirring axis connection are mixed, the multilayer insulating panel is provided with centre bore, and the diameter of the centre bore, which is more than, to be stirred The diameter of axle is mixed, the agitating shaft passes through centre bore;
    The top of the stirring cylinder is provided with sludge import and the first oil slick outlet;The bottom of the stirring cylinder is provided with Sludge outlet;It is provided with the bottom of the stirring cylinder or bottom in extractant, dissolved air water and solid foam particle The charging aperture of one or more of materials.
  2. 2. separation equipment according to claim 1, it is characterised in that the stirring parts include stirring disk and paddle Piece, the stirring disk are provided with center hole and are set on agitating shaft, are provided with the one or both sides of the stirring disk Multiple stirring vanes.
  3. 3. separation equipment according to claim 1 or 2, it is characterised in that the multilayer insulating panel extends to stirring cylinder Inwall.
  4. 4. separation equipment according to claim 1, it is characterised in that being provided with the first oil slick outlet to open The first baffle for opening and closing.
  5. 5. the separation equipment according to claim 1 or 4, it is characterised in that the separation equipment also includes the first frizing and filled Put, first oil-scraping device is located at top and multilayer insulating panel top in mixing drum body.
  6. 6. according to the separation equipment described in claim 1 or 2 or 4, it is characterised in that the charging aperture is connected with air-dissolving apparatus.
  7. 7. a kind of processing system of oily sludge, it is characterised in that including any one institute in one or more claim 1-6 The separation equipment stated, in addition to centrifuge, water storage device, sludge storage apparatus, ejector and high speed reducing mechanism, the separation The sludge import of the sludge outlet and centrifuge of equipment connects, and the delivery port of the centrifuge and the water inlet of water storage device connect Connect, the delivery port of the water storage device and the water inlet of ejector connect, the sludge outlet and jet of the sludge storage apparatus The sludge import connection of device, the sludge outlet of the ejector are connected with the sludge import of high speed reducing mechanism, the high speed powder The sludge import of the sludge outlet and separation equipment of crushing device connects.
  8. 8. processing system according to claim 7, it is characterised in that when the processing system includes multiple separation equipments, The sludge outlet of one of separation equipment is connected with the sludge import of another separation equipment, and the bottom of the separation equipment is dirty Mud outlet is connected with the sludge import of next separation equipment again, so as to which multiple separation equipments be connected in series.
  9. 9. the processing system according to claim 7 or 8, it is characterised in that the water inlet and water storage device of the ejector Delivery port connection pipeline on be provided with delivery pump or high-pressure pump;The high speed reducing mechanism include crush cylinder, rotating shaft and Multiple rows of crushing knife tool in rotating shaft is set, circumferencial direction arrangement of the crushing knife tool in same row along rotating shaft.
  10. 10. the processing system according to claim 7 or 8, it is characterised in that it is floating that the sludge storage apparatus is provided with second Oily outlet, the second baffle that can be opened and closed is provided with the second oil slick outlet.
CN201720220690.0U 2017-03-08 2017-03-08 The processing system and its separation equipment of a kind of oily sludge Active CN206955874U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108855474A (en) * 2018-06-28 2018-11-23 东台市天时利包装有限公司 A kind of recycling and reusing grinding device of waste carton
CN111253964A (en) * 2020-02-12 2020-06-09 北京矿冶科技集团有限公司 Method for treating polymer-containing oil sludge
CN111253964B (en) * 2020-02-12 2021-11-05 北京矿冶科技集团有限公司 Method for treating polymer-containing oil sludge

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108855474A (en) * 2018-06-28 2018-11-23 东台市天时利包装有限公司 A kind of recycling and reusing grinding device of waste carton
CN111253964A (en) * 2020-02-12 2020-06-09 北京矿冶科技集团有限公司 Method for treating polymer-containing oil sludge
CN111253964B (en) * 2020-02-12 2021-11-05 北京矿冶科技集团有限公司 Method for treating polymer-containing oil sludge

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