CN101186861A - Technique for distilling oil from waste carclazyte by extraction method and device thereof - Google Patents
Technique for distilling oil from waste carclazyte by extraction method and device thereof Download PDFInfo
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- CN101186861A CN101186861A CNA2007101689083A CN200710168908A CN101186861A CN 101186861 A CN101186861 A CN 101186861A CN A2007101689083 A CNA2007101689083 A CN A2007101689083A CN 200710168908 A CN200710168908 A CN 200710168908A CN 101186861 A CN101186861 A CN 101186861A
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
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- Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes
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Abstract
The invention relates to a technique to extract oils and fats in waste bentonite by solvent extraction directly and devices thereof. Processing steps are to preheat the waste bentonite with oils and the solvent to 50-55DEG C respectively, drop the waste bentonite with oils and the solvent into extracting machine with putting-down trap valve in ration, extract the mixed oils with the oils and fats and the solvent after at least twice immersions, feed the turbid mixed oils with the solvent into the mixed oils tank, and the mixture is dropped into evaporators for evaporating after settling down again, then filterable oils with standard quality can be recycled. After extracting from the net bucket detearing conveyors and exsolution from desolventizer, the purer waste bentonite can be achieved. The solvent air can be reused after condensating water and recycling. The invention is simple in technology, distinct in device, lower in production cost, and high in extraction efficiency, which is safe, reliable energy-conservational and environment-friendly. The invention with highly economic and social value applies to not onlythe petroleum chemical industry, but also the treatment of the waste bentonite in the vegetable oil processing industry.
Description
Technical field
The present invention relates to a kind of directly with greasy technology and device thereof in the useless carclazyte of solvent extration extraction.
Background technology
The useless carclazyte of existing decolouring is the tankage that produce in refining decolouring of Vegetable oil lipoprotein commercial grease and petroleum chemical industry mineral oil (machine oil, other mineral oil) the refining decolorization, accounts for about 2.5% of oil and fat refining output.Its major ingredient is that carclazyte (pure aluminium silicate) adds its adsorbed grease, pigment, impurity etc., color is according to the different adularescents in the affiliated place of production, light gray, filbert etc., be cyan and brown etc. behind the absorb oil, shape is different according to oleaginousness, mostly is powdery during with Ah agate's filter, and a small amount of fast shape is arranged, when using flame filter press, the fast shape part mud shape of part, the person that contains the innage can reveal oil from soil.Fat content is generally 20%-35% in the useless carclazyte of decolouring, different with the equipment situation and increase and decrease by complete processing, general employing sophisticated equipment (Ah agate's filter) and continuous production processes person are lower, otherwise adopt more backward equipment (flame filter press) and batch production technology person higher, misoperation or seal when bad oil-containing up to more than 40%.Because useless carclazyte quantity accounts for about 2.5% of oil and fat refining output, so bigger for its quantity of larger refinery.Useless carclazyte filter cake is very sensitive to oxidation, even can spontaneous combustion, if deal with improperly, can become the hidden danger of fire.Owing to reasons such as high temperature and rate of oxidation after the useless carclazyte discharging, lengthen that the smell is awful the time, and contaminate environment, so most of grease station-service water sprays or buries in melt pit, remove as waste, its resource is wasted.
At present, useless clay treatment mainly contains three kinds of water-boiling methods, milling process, solvent extration:
Water-boiling method: promptly in infusions such as useless carclazyte Zhong Jiashui, salt, the oil slick that recovery floats on the surface, its shortcoming is to produce a large amount of waste water, contain in the waste water and do not collect completely oil slick, oil in water emulsion, useless carclazyte powder, COD, BOD severe overweight in the waste water, in the useless carclazyte behind the poach still oil-containing about 10-15%, therefore, cause environmental pollution serious, the grease yield of recovery is low, second-rate.
Milling process: promptly useless carclazyte water steam heating, adopt the small-sized hydraulic oil press zhai to squeeze, it is acid that useless carclazyte is, and under water vapor acting, Oxidation of Fat and Oils speed is accelerated in the useless carclazyte, expressed acid value of lipids height, it is big to contain the carclazyte amount, moisture height, crude oil poor quality.By the squeezing after useless carclazyte in still oil-containing at 8%-12%.Its resource can not obtain efficient recovery.
The solvent extration present situation: adopt system existing extraction process of oily industry and equipment, be mixed into pulpous state because useless carclazyte is carried oil back solvent and greasy mixing oil and useless carclazyte, its separation difficulty, therefore, suitability for industrialized production is very difficult.Other has a kind of employing clay to add water and useless carclazyte mixes, and with the screw extrusion slabbing, by soaked in solvent processing again after the oven dry, this method shortcoming is: (1) clay cost height; (2) need oven dry to anhydrate; (3) the energy consumption height that yields poorly is difficult to use in suitability for industrialized production.The patent No. is 02126737.5 Chinese invention patent disclosed " dry process for extracting oil from used argil ", adopt binding agent with encircling the model grain, adopt solvent extraction with the pot group type leacher, though this technology has solved the separation problem of carclazyte and mixing oil, but also have the following disadvantages: (1) binding agent is for carrying the carclazyte powder of oil, raw material and binding agent are by weight 1: 0.1-0.4, that is: having carried carclazyte powder behind the oil has 10%-40% to be used for bonding to carry out granulation, make oily waste water carclazyte production output decline 10%-40%, cause yielding poorly, the energy consumption height; (2) adopt the ring mould to carry out granulation, the quick abrasion of its ring mould, the equipment part expense is higher, causes carrying oily cost height; (3) will make oil-containing argil behind the particle and pack in the batch extractor, material is under static state sent into solvent and is soaked, because the granulation compression ratio is big, it is long that the solid solvent of particle infiltrates internal route, and causing extraction rate, low to reach effect relatively poor; (4) utilize particle and mixing oil easily separated, employing is collected mixing oil from the bottom, when the particle compression ratio scatters inadequately and becomes sposh, this equipment then can't be isolated mixing oil, when carrying oil back carclazyte and going out jar is the open type discharging, dust has bigger influence to production environment, and will there be hidden danger in the open type discharging.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art and provide a kind of efficient, low-cost, environment-friendly type is suitable for the technique for distilling oil from waste carclazyte by extraction method of suitability for industrialized production.
Another object of the present invention provides a kind of extraction plant of realizing above-mentioned technology.
Technique for distilling oil from waste carclazyte by extraction method step of the present invention is:
1, oily waste water carclazyte and solvent are preheated to 50-55 ℃ respectively;
2, the useless carclazyte after the preheating and solvent are sent in the extraction plant soak, extract the mixing oil of grease and solvent;
3, send evaporator evaporation with the grease that is extracted and the mixing oil of solvent;
4, collect through evaporating the crude oil up to standard after filtering.
Said oily waste water carclazyte is that granularity 200 orders account for the useless carclazyte of powdery more than 85%, and said solvent is 6# solvent oil or normal hexane.
Useless carclazyte after the preheating and solvent are quantitatively sent in the sedimentation net filter extracter, and through the immersion more than the secondary at least, the quantitative ratio of useless carclazyte and solvent: single extraction is 1: 1.2-1.3, solvent are secondary or rare mixing oil of extracting for three times; Reextraction is 1: 1, and solvent is three rare mixing oils that extract; Three extractions are 1: 1, and solvent is a fresh solvent.By settlement separate, the grease in the carclazyte will be extracted out, and solvent-laden concentrated blend send the concentrated blend jar, and through sending evaporator evaporation behind the standing sedimentation once more, solvent is heated and volatilizees away, reclaim and filter crude oil up to standard; Containing the useless carclazyte of solvent send the net bucket to drain to send the desolventizing machine precipitation after transfer roller leaches solvent, obtain more purified useless carclazyte; Solvent gas recycles after condensation divides water to reclaim.
A kind of extraction plant of realizing above-mentioned technology, drain transfer roller and form by draught excluder, feed auger transfer roller, sedimentation net filter extracter, discharging spiral conveyor, net bucket, draught excluder is connected with the opening for feed of feed auger transfer roller, the discharge port of feed auger transfer roller is connected with the charging dish valve of sedimentation net filter extracter, the discharging dish valve of sedimentation net filter extracter is connected with the opening for feed of discharging spiral conveyor, and the discharge port of discharging spiral conveyor is connected with the tail opening for feed that the net bucket drains transfer roller.Sedimentation net filter extracter is installed perpendicular to ground, and the net bucket drains transfer roller and becomes 30-45 degree angle to install with ground.
Described sedimentation net filter extracter comprises body, charging dish valve, whipping appts, concentrated blend outlet, solvent back flushing inlet, the outlet of muddy mixing oil, fresh solvent inlet, discharging dish valve, the outlet of solvent gas, filtering net, mirror device, fluid level control device, wherein, charging dish valve, the outlet of solvent gas, whipping appts are installed in the body top, perpendicular to central authorities in the body, the bottom is provided with blade to stir shaft by transmission rig; Concentrated blend outlet, solvent back flushing inlet, the outlet of muddy mixing oil, fresh solvent inlet, mirror device, fluid level control device are installed on the body, and filtering net is installed in middle and lower part in the body, and discharging dish valve is installed in organism bottom.
Described net bucket drains transfer roller and comprises tail, tail wheel, mixing oil outlet, machine barrel, head, great wheel, conveyor chain, conveyor chain drive unit, net bucket, the outlet of solvent gas, discharge port, wherein, the tail opening for feed is connected with the discharge port of discharging spiral conveyor; Tail is provided with tail wheel, mixing oil outlet, and tail wheel is installed in the tail, and machine barrel is connected between tail and the head, and forms one, and the mixing oil outlet is arranged on tail and machine barrel bottom, is connected with rare miscella tank by mixing oil pump; Head is provided with great wheel, drive unit, the outlet of solvent gas, discharge port, and the output shaft of drive unit and great wheel axle flexibly connect by the sprocket wheel chain, and conveyor chain is movably connected on great wheel and the tail wheel, and the net bucket is fixed on the conveyor chain; The outlet of solvent gas is connected with external condenser; Discharge port is connected with external desolventizing machine.
Advantage of the present invention is: 1, oily waste water carclazyte (powdery) is directly used solvent extraction, need not adding additives, need not granulation, technology is simple, and solvent can be recycled, production cost is low, useless carclazyte and solvent can reduce grease viscosity, molecular diffusion when helping extracting, extraction efficiency height after the preheating, safe and reliable, energy-conserving and environment-protective; 2, utilize useless carclazyte and mixing oil difference of specific gravity, and settling velocity, natural subsidence isolation technique and extraction new device have been adopted, make and have suffered production process and realized full serialization and industrial scale production, solved the technical barrier that full serialization and industrial scale are handled the powdery solid waste; 3, extraction plant uniqueness.Filter extracter and net the extraction plant that the parts such as draining transfer roller that struggle against are formed by the sedimentation net, be divided into clarification edible vegetable oil district, the muddy district of half suspension, deposition of solids district and drain four zones, district, after the material dosing automatic control, easy and simple to handle, solid-liquid separation is complete, and resulting grease foreign matter content basic controlling is in standard range.Mixing oil by more than the settlement separate extraction settling drains solvent in the carclazyte by web plate again, makes to contain solvent in the carclazyte and reduce to approximately below 40%, is convenient to precipitation.Because it is hole shape structure that the useless carclazyte of raw material has reduced moisture content, adjustment temperature, Attapulgite and active useless carclazyte through thermal pretreatment, powdery carclazyte grease more helps molecular diffusion, grease in very short time in the carclazyte will be extracted out, soak by twice that oil-containing reaches about 2% in the carclazyte, soak Residual oil≤1% in the useless carclazyte by three times; 4, applied widely.Be not only applicable to the useless clay treatment of petroleum chemical industry, also be applicable to the useless clay treatment of vegetables oil processing industry, carry that powdery carclazyte behind the oil can be used as weighting agent in light body wall brick material, the papermaking, the weighting agent in the pvc pipe or by renewable use after the activation treatment, not only solved of the pollution of oily waste water carclazyte to environment, recycle limited resources simultaneously, had very high economy and social value.
Description of drawings
Fig. 1 is an oil extracting process principle process block diagram of the present invention.
Fig. 2 is the front view of oil extraction plant of the present invention.
Fig. 3 is the side-view of oil extraction plant of the present invention.
Embodiment
Following examples will the present invention is further illustrated in conjunction with the accompanying drawings.
Embodiment 1: this embodiment adopts reextraction.
Fig. 1 shows concrete technical process of the present invention.Among the figure: draught excluder 1, feed auger transfer roller 2A, sedimentation net filter extracter 3A, 3B, 3C, plate filter 4, the net bucket drains transfer roller 5, rare miscella tank 6-1, concentrated blend jar 6-2, one vaporizer 7, two vaporizers 8, stripping tower 9, temporary jar 10 of processed oil, one-level desolventizing machine 11-1, secondary desolventizing machine 11-2, desolventizing machine condenser 12-1, one evaporation condenser 12-2, two evaporation condenser 12-3, stripping condenser 12-4, free gas condenser 13, device for recovering tail gas 14, diversion box 15, solvent cycle storehouse 16.
Useless carclazyte (powdery) directly with the concrete steps of solvent extration oil extracting process is:
1, raw materials pretreatment.The useless carclazyte of raw material oil-containing powdery that granularity 200 orders are accounted for more than 85% carries out thermal pretreatment, make moisture content≤10%, temperature 50-55 ℃, solvent is preheated to 50-55 ℃, after sending into premix worm conveyor 2A and solvent by draught excluder 1 (prevent solvent gas stream), send into the sedimentation net successively through charging dish valve again and filter extracter 3A, 3B, 3C;
2, extraction.According to useless carclazyte and mixing oil difference of specific gravity, the ratio of single extraction oily waste water carclazyte and solvent is 1: 1.2-1.3, solvent are secondary or rare mixing oil of extracting for three times, and in charging, whipping appts stirs simultaneously, makes mixing of materials even.Charging dish valve cuts out automatically after reaching liquid level, and whipping appts stops to stir simultaneously, and at this moment, another extracter begins charging.Separated about 2 hours through standing sedimentation, the grease in the carclazyte is extracted out, and grease, solvent and carclazyte form settling section, suspension zone, three zones, deposition of solids district naturally in body.Settling section is the concentrated blend of clarified grease and solvent, accounts for about 50% of material level full height; The suspension zone is the muddy mixing oil of boundary between settling section and sedimentary province, accounts for about 10% of material level full height; Rest part is the deposition of solids district, is mainly the carclazyte of carrying behind the oil.Observe by mirror device and fluid level control device, work as settling section, the suspension zone, after deposition of solids regional boundary face is distinguished, the concentrated blend (concentration is about 18%-26%) of settling section is put into concentrated blend jar 6-2 from the concentrated blend outlet by height successively to low, the muddy mixing oil that the suspension zone is not distinguished is then extracted out from muddy mixing oil outlet by pump through the ring-type filtering net, send plate filter 4 to filter, the concentrated blend that leaches send concentrated blend jar 6-2, squeeze into fresh solvent from fresh solvent inlet again the carclazyte in deposition of solids district is carried out immersion second time, carclazyte and solvent ratio are 1: 1, press the same working method of single extraction, reextraction is with three extraction solvents, solvent is closed automatically when reaching liquid level, sedimentation this moment then clarification in 0.5 hour, extraction is sent among rare miscella tank 6-1 temporary through the settlement separate rare mixing oil (concentration is about 2%-6%) that goes out, be used further to extraction solution for the first time.Twice immersion finished, and opens bottom discharge dish valve, by stirring the carclazyte after oil is carried in discharge.This embodiment establishes 3 (every dress powdery carclazyte 2.5T) extracters altogether, operates successively by last method for every, and input and output material is a total closed type, realizes continuous production;
3, miscella evaporation.Send into the concentrated blend (oil of concentrated blend jar 6-2, hexane concentration is about 18%-26%), after further leaving standstill clarification, the bottom settlings thing is regularly by being pumped among the premix worm conveyor 2A, clarifying mixing oil send vapo(u)rization system, rise the evaporation of membrane type column tube evaporimeter through a vaporizer 7 and two vaporizers, 8 secondarys, shell side feeds vapor pressure 0.3MPa, hexane in the mixing oil is the solvent vaporized expanding under high temperature action, upwards boiling produces impellent then, oil, gas arrives gas-liquid separator along the pipe rising and carries out gas-liquid separation, miscella concentration behind the first step climbing-film evaporation is about 60%, and second stage climbing-film evaporation miscella concentration reaches more than 95%.Further evaporate (external jacket indirect steam pressure 0.5MPa, direct steam pressure 0.05-0.1MPa) through third stage stripping vaporizer 9 again, solvent is heated and volatilizees away, reclaims filtering crude oil up to standard and send temporary jar 10 of processed oil.Through the evaporation carrying out precipitation treatment grease in residual molten≤50PPM, impurity≤0.05%.
4, contain solvent carclazyte precipitation.Carry oil white soil through what extracter was discharged, wherein also contain solvent, send the net bucket to drain transfer roller 5 by discharging spiral conveyor 2B, (it is about 40% to contain solvent in the carclazyte, soaks back Residual oil about 2%) sent the precipitation system after drop went out wherein partial solvent.Contain the useless carclazyte of solvent and carry out precipitation through the horizontal desolventizing machine 11-1 of one-level, the vertical desolventizing machine 11-2 of secondary, the secondary desolventizing machine is vertical three layers: interlayer heating precipitation, two layers of direct vapour stripping of employing 0.1MPa, three interlayer heat precipitation, indirectly steam pressure 0.4Mpa.Carclazyte residual solvent≤700PPM behind the precipitation.Carclazyte after carrying oil, precipitation can be used as the weighting agent in light body wall brick material, the papermaking, the weighting agent in the pvc pipe, or uses by regeneration after the activation treatment;
5, solvent air cooling is coagulated and is reclaimed.The solvent of deviating from the carclazyte after immersion drains, the solvent gas that miscella evaporation goes out are respectively through pipe bundle condenser 12-1,12-2,12-3,12-4 condensation, noncondensing gas is not again through 13 condensations of free gas condenser, tail gas enters absorption tower 14 and sprays the absorption recovery, and the condensation recovered solvent sent circulation tank to recycle behind the water in 15 minutes through water trap.
Miscella evaporation system described in the present embodiment, the condensate recovery system that contains the useless carclazyte precipitation system of solvent, solvent vapour all utilize existing system oil tech and device.
Extraction plant such as Fig. 2 of the above-mentioned technology of described realization, shown in Figure 3, comprise draught excluder 1, feed auger transfer roller 2A, feed auger conveyor drive 2A-1, feed auger transfer roller cylindrical shell 2A-2, feed auger transfer roller screw rod 2A-3, sedimentation net filter extracter 3A, 3B, 3C, charging dish valve 3A-1, agitator 3A-2, stir shaft 3A-2-1, agitating vane 3A-2-2, body 3A-3, concentrated blend outlet 3A-4, solvent back flushing inlet 3A-5, muddy mixing oil outlet 3A-6, fresh solvent inlet 3A-7, discharging dish valve 3A-8, solvent gas outlet 3A-9, mirror device 3A-10, filtering net 3A-11, fluid level control device 3A-12, discharging spiral conveyor 2B, discharging spiral conveyor drive unit 2B-1, discharging spiral conveyor cylindrical shell 2 B-2, discharging spiral conveyor screw rod 2B-3, the net bucket drains transfer roller 5, tail 5-1, tail wheel 5-2, mixing oil outlet pipe 5-3,5-4,5-5, machine barrel 5-6, head 5-7, great wheel 5-8, net bucket 5-9, conveyor chain 5-10, drive unit 5-11, solvent gas outlet 5-12, discharge port 5-13.Draught excluder 1 is connected with the opening for feed of feed auger transfer roller 2A, feed auger transfer roller 2A comprises drive unit 2A-1, parts such as cylindrical shell 2A-2 and screw rod 2A-3, the discharge port of feed auger transfer roller 2A is connected with the charging dish valve 3A-1 of sedimentation net filter extracter 3A, sedimentation net filter extracter 3A comprises body 3A-3, charging dish valve 3A-1, whipping appts 3A-2, concentrated blend outlet 3A-4, solvent back flushing inlet 3A-5, muddy mixing oil outlet 3A-6, fresh solvent inlet 3A-7, discharging dish valve 3A-8, solvent gas outlet 3A-9, mirror device 3A-10, filtering net 3A-11, fluid level control device 3A-12, wherein, charging dish valve 3A-1, solvent gas outlet 3A-9, whipping appts 3A-2 is installed in body 3A-3 top, perpendicular to central authorities in the body 3A-3, the bottom is provided with agitating vane 3A-1-2 to stir shaft 3A-2-1 by transmission rig; Concentrated blend outlet 3A-4, muddy mixing oil outlet 3A-6, solvent back flushing inlet 3A-5, fresh solvent inlet 3A-7, mirror device 3A-10, fluid level control device 3A-12 are installed on the body 3A-3, concentrated blend outlet 3A-4 is connected with concentrated blend jar 6-2, muddy mixing oil outlet 3A-6 is connected with plate filter 4, solvent back flushing inlet 3A-5, fresh solvent inlet 3A-7 are connected with solvent cycle storehouse 16, and solvent gas outlet 3A-9 is connected with free gas condenser 13; Filtering net 3A-11 is a ring-type, be installed in middle and lower part in the body 3A-3, discharging dish valve 3A-8 is installed in body 3A-3 bottom, and is connected with the opening for feed of discharging spiral conveyor 2B, and discharging spiral conveyor 2B comprises parts such as drive unit 2B-1, cylindrical shell 2B-2 and screw rod 2B-3; The discharge port of discharging spiral conveyor 2B is connected with the opening for feed that the net bucket drains transfer roller 5, and the net bucket drains transfer roller 5 and comprises tail 5-1, tail wheel 5-2, mixing oil outlet 5-3,5-4,5-5, machine barrel 5-6, head 5-7, great wheel 5-8, net bucket 5-9, conveyor chain 5-10, drive unit 5-11, the outlet of solvent gas 5-12, discharge port 5-13.Tail wheel 5-2 is installed in the tail 5-1, and machine barrel 5-6 is connected between tail 5-1 and the head 5-7, and forms an integral body, and mixing oil outlet pipe 5-3,5-4,5-5 are arranged on the bottom of tail 5-1 and machine barrel 5-6; Head 5-7 is provided with great wheel 5-8, drive unit 5-11, solvent gas outlet 5-12, discharge port 5-13, the output shaft of drive unit 5-11 is connected by the sprocket wheel chain with the axle of great wheel 5-8, conveyor chain 5-10 is movably connected on great wheel 5-8 and the tail wheel 5-2, net bucket 5-9 is fixed on the conveyor chain 5-10, material is squeezed in net bucket 5-9 lifting process, filter screen by bottom, machine barrel 5-6 two sides, partial solvent in the carclazyte is leached, the grease that leaches and the mixing oil of solvent import the mixing oil collecting chamber, through mixing oil outlet 5-2,5-3,5-4 sends into rare miscella tank 6-1; Solvent gas outlet 5-12 is connected with condenser 12-2; Discharge port 5-13 is connected with desolventizing machine 11-1.
Sedimentation net filter extracter is installed perpendicular to ground, is used for greasy extraction.The net bucket drains transfer roller and becomes 30-45 degree angle to install with ground, plays solvent that drains in the carclazyte and the effect that promotes convey materials.
Embodiment 2: press embodiment 1 described technological process, adopt three extractions.
With the quantitative feeding of oily waste water carclazyte (powder), the modified machine control of drying moisture content≤10%, temperature 50-55 ℃, 5 of extracters are input and output material successively, the about 50T/D of treatment capacity every day.Extraction is soaked three times successively by rare mixing oil 6%, rare mixing oil 2%, fresh solvent respectively, soaks the settling time to be respectively 2h, 0.5h, 0.5h, soaks after sedimentation drains that to contain solvent in the carclazyte of back about 40%, carclazyte residual solvent≤700PPM behind the precipitation.Soak Residual oil butt≤1% in the carclazyte of back.Miscella evaporation, contain solvent carclazyte precipitation, the solvent vapour condensation is reclaimed by example 1 technological process, equipment is adjusted in proportion, its production and technical indication and example 1 are approaching substantially.
The above embodiments are preferred embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification of being done under spirit of the present invention and the technology or substitutes, and all should be the displacement of equivalence, all is contained within protection scope of the present invention.
Claims (8)
1. technique for distilling oil from waste carclazyte by extraction method is characterized in that processing step is:
1) oily waste water carclazyte and solvent are preheated to 50-55 ℃ respectively;
2) the useless carclazyte after the preheating and solvent are sent in the extraction plant soak, extract the mixing oil of grease and solvent;
3) with the grease that is extracted and the mixing oil evaporator evaporation of solvent;
4) collect through evaporating the crude oil up to standard after filtering.
2. technique for distilling oil from waste carclazyte by extraction method according to claim 1 is characterized in that said oily waste water carclazyte is that granularity 200 orders account for the powdery oily waste water carclazyte more than 85%.
3. technique for distilling oil from waste carclazyte by extraction method according to claim 1 is characterized in that said solvent is 6# solvent oil or normal hexane.
4. technique for distilling oil from waste carclazyte by extraction method according to claim 1, it is characterized in that said useless carclazyte and solvent are through the immersion more than the secondary at least, useless carclazyte and solvent are quantitatively than being: single extraction 1: 1.2-1.3, solvent are secondary or rare mixing oil of extracting for three times; Reextraction is 1: 1, and solvent is three rare mixing oils that extract; Three extractions are 1: 1, and solvent is a fresh solvent.
5. extraction plant of realizing above-mentioned technology, comprise draught excluder, the feed auger transfer roller, sedimentation net filter extracter, discharging spiral conveyor and net bucket drain transfer roller, it is characterized in that draught excluder (1) is connected with the opening for feed of feed auger transfer roller (2A), the outlet of feed auger transfer roller (2A) is connected with the charging dish valve (3A-1) of sedimentation net filter extracter (3A), the discharging dish valve (3A-8) of sedimentation net filter extracter (2A) is connected with the import of discharging spiral conveyor (2B), and the outlet of discharging spiral conveyor (2B) is connected with the tail (5-1) that the net bucket drains transfer roller (5).
6. a kind of extraction plant of realizing above-mentioned technology according to claim 5, it is characterized in that said sedimentation net filter extracter comprises charging dish valve (3A-1), agitator (3A-2), stir shaft (3A-2-1), agitating vane (3A-2-2), body (3A-3), concentrated blend outlet (3A-4), solvent back flushing inlet (3A-5), muddy mixing oil outlet (3A-6), fresh solvent inlet (3A-7), discharging dish valve (3A-8), solvent gas outlet (3A-9), mirror device (3A-10), filtering net (3A-11), fluid level control device (3A-12), wherein, charging dish valve (3A-1), agitator (3A-2), solvent gas outlet (3A-9) is arranged on body (3A-3) top, perpendicular to central authorities in the body (3A-3), the bottom is provided with paddle (3A-1-2) to stir shaft (3A-2-1) by transmission rig; Concentrated blend outlet (3A-4), muddy mixing oil outlet (3A-6), solvent back flushing inlet (3A-5), fresh solvent inlet (3A-7), mirror device (3A-10), fluid level control device (3A-12) are installed on the body (3A-3); Filtering net (3A-11) is installed in the interior middle and lower part of body (3A-3), and discharging dish valve (3A-8) is installed in body (3A-3) bottom.
7. a kind of extraction plant of realizing above-mentioned technology according to claim 5, it is characterized in that said net bucket drains transfer roller and comprises tail (5-1), tail wheel (5-2), mixing oil outlet pipe (5-3,5-4,5-5), machine barrel (5-6), head (5-7), great wheel (5-8), net bucket (5-9), conveyor chain (5-10), drive unit (5-11), solvent gas outlet (5-12), discharge port (5-13), wherein, tail (5-1) is connected with the discharge port of discharging spiral conveyor (2B), tail (5-1) is provided with tail wheel (5-2), mixing oil outlet (5-3,5-4,5-5), tail wheel (5-2) is installed in the tail (5-1), machine barrel (5-6) is connected between tail (5-1) and the head (5-7), and the formation one, mixing oil outlet (5-3,5-4,5-5) be separately positioned on the bottom of tail (5-1) and machine barrel (5-6); Head (5-7) is provided with great wheel (5-8), drive unit (5-11), the outlet of solvent gas (5-12), discharge port (5-13), the output shaft of drive unit (5-11) is connected by the sprocket wheel chain with the axle of great wheel (5-8), conveyor chain (5-10) is movably connected on tail wheel (5-2) and the great wheel (5-8), and net bucket (5-9) is fixed on the conveyor chain (5-10).
8. a kind of extraction plant of realizing above-mentioned technology according to claim 5 is characterized in that said sedimentation net filter extracter (3A, 3B, 3C) perpendicular to the ground installation, and the net bucket drains transfer roller (5) and becomes 30-45 degree angle to install with ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101689083A CN101186861A (en) | 2007-12-14 | 2007-12-14 | Technique for distilling oil from waste carclazyte by extraction method and device thereof |
Applications Claiming Priority (1)
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| CNA2007101689083A CN101186861A (en) | 2007-12-14 | 2007-12-14 | Technique for distilling oil from waste carclazyte by extraction method and device thereof |
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| CN101434853B (en) * | 2008-11-25 | 2012-02-08 | 中国石油大学(华东) | Method for regenerating and recovering oil refining waste clay |
| CN102451669A (en) * | 2010-10-18 | 2012-05-16 | 新疆大学 | Method for recovering and reutilizing waste bentonite in oil refinery |
| CN102517154A (en) * | 2011-11-20 | 2012-06-27 | 文水县国华油脂有限公司 | Extraction method for extracting waste white clay residual oil |
| CN102784493A (en) * | 2012-08-21 | 2012-11-21 | 无锡市华立石化工程有限公司 | Automatic continuous rosin liquid extraction vessel |
| CN104801266A (en) * | 2015-04-09 | 2015-07-29 | 河北金谷再生资源开发有限公司 | Novel process for harmless treatment of waste clay |
| CN105154237A (en) * | 2014-06-03 | 2015-12-16 | 江苏蓝山油脂科技有限公司 | Dry process for extracting oil from used bleaching clay |
| CN105349267A (en) * | 2015-11-22 | 2016-02-24 | 唐山圣昊农科发展有限公司 | Recovery device and treatment method of grease in rice oil used bleaching clay |
| CN107185508A (en) * | 2017-06-26 | 2017-09-22 | 焦作市新科资源综合利用研发有限公司 | A kind of method that utilization dichloroethanes reclaims oily waste water atlapulgite |
| CN107286973A (en) * | 2016-04-01 | 2017-10-24 | 中国石油化工股份有限公司 | The preparation method of oily recovery method and lube base oil in spent bleaching clay |
| CN109207269A (en) * | 2018-11-06 | 2019-01-15 | 武汉轻工大学 | A kind of solvent recovering system and method for recovering solvents containing molten spent bleaching clay |
| CN109289824A (en) * | 2018-11-23 | 2019-02-01 | 山东三星玉米产业科技有限公司 | Useless atlapulgite recycling utilization production technology |
| CN112370856A (en) * | 2020-11-10 | 2021-02-19 | 西部宝德科技股份有限公司 | Filtration and separation system and method for recovering ethylene oligomerization catalyst fine powder by dry method |
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| CN101434853B (en) * | 2008-11-25 | 2012-02-08 | 中国石油大学(华东) | Method for regenerating and recovering oil refining waste clay |
| CN102451669A (en) * | 2010-10-18 | 2012-05-16 | 新疆大学 | Method for recovering and reutilizing waste bentonite in oil refinery |
| CN102517154A (en) * | 2011-11-20 | 2012-06-27 | 文水县国华油脂有限公司 | Extraction method for extracting waste white clay residual oil |
| CN102784493A (en) * | 2012-08-21 | 2012-11-21 | 无锡市华立石化工程有限公司 | Automatic continuous rosin liquid extraction vessel |
| CN105154237A (en) * | 2014-06-03 | 2015-12-16 | 江苏蓝山油脂科技有限公司 | Dry process for extracting oil from used bleaching clay |
| CN104801266A (en) * | 2015-04-09 | 2015-07-29 | 河北金谷再生资源开发有限公司 | Novel process for harmless treatment of waste clay |
| CN105349267A (en) * | 2015-11-22 | 2016-02-24 | 唐山圣昊农科发展有限公司 | Recovery device and treatment method of grease in rice oil used bleaching clay |
| CN107286973A (en) * | 2016-04-01 | 2017-10-24 | 中国石油化工股份有限公司 | The preparation method of oily recovery method and lube base oil in spent bleaching clay |
| CN107185508A (en) * | 2017-06-26 | 2017-09-22 | 焦作市新科资源综合利用研发有限公司 | A kind of method that utilization dichloroethanes reclaims oily waste water atlapulgite |
| CN109207269A (en) * | 2018-11-06 | 2019-01-15 | 武汉轻工大学 | A kind of solvent recovering system and method for recovering solvents containing molten spent bleaching clay |
| CN109207269B (en) * | 2018-11-06 | 2022-03-29 | 武汉轻工大学 | Solvent recovery system containing dissolved waste clay and solvent recovery method |
| CN109289824A (en) * | 2018-11-23 | 2019-02-01 | 山东三星玉米产业科技有限公司 | Useless atlapulgite recycling utilization production technology |
| CN112370856A (en) * | 2020-11-10 | 2021-02-19 | 西部宝德科技股份有限公司 | Filtration and separation system and method for recovering ethylene oligomerization catalyst fine powder by dry method |
| CN112779098A (en) * | 2020-12-18 | 2021-05-11 | 浙江宏泰油脂科技有限公司 | Waste argil oil extraction treatment device |
| CN113817544A (en) * | 2021-09-03 | 2021-12-21 | 华南农业大学 | Method for enriching aromatic peanut oil flavor substances |
| CN113817544B (en) * | 2021-09-03 | 2023-05-12 | 华南农业大学 | Method for enriching aroma peanut oil flavor substances |
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