CN102382312A - Process for continuously preparing emulsified paraffin and device thereof - Google Patents
Process for continuously preparing emulsified paraffin and device thereof Download PDFInfo
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- CN102382312A CN102382312A CN 201110256814 CN201110256814A CN102382312A CN 102382312 A CN102382312 A CN 102382312A CN 201110256814 CN201110256814 CN 201110256814 CN 201110256814 A CN201110256814 A CN 201110256814A CN 102382312 A CN102382312 A CN 102382312A
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- 239000012188 paraffin wax Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000008569 process Effects 0.000 title abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 173
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 53
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 238000002360 preparation method Methods 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 19
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- 238000003860 storage Methods 0.000 claims description 63
- 150000001336 alkenes Chemical class 0.000 claims description 52
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 52
- 238000004945 emulsification Methods 0.000 claims description 26
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- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 3
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 3
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 3
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- NWGKJDSIEKMTRX-AAZCQSIUSA-N Sorbitan monooleate Chemical group CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O NWGKJDSIEKMTRX-AAZCQSIUSA-N 0.000 description 3
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- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 3
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid group Chemical group C(CCCCCCC\C=C/CCCCCCCC)(=O)O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 3
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Images
Abstract
The invention belongs to the technical field of emulsified paraffin preparation, and specifically relates to a process and device for continuously preparing emulsified paraffin, which solves the problems of intermittent operation, poor stability, high cost and high energy consumption in the current emulsified paraffin preparation. The method comprises the following steps: adding water in a hydrophilic emulsifier to form a water phase, adding paraffin in a lipophilic emulsifier to form an oil phase, dividing the water phase into two streams, taking oil phase as one stream for entering into an emulsifier, primarily emulsifying, then entering in an annular filling material with high speed rotation to form an oil-in-water emulsified paraffin solution. The device comprises a paraffin emulsifier and a heating and insulating device, the paraffin emulsifier comprises a shell, the netted annular filling material and a liquid distributor; the liquid distributor comprises a water phase nozzle I, a water phase nozzle II and an oil phase nozzle. The device of the invention has the advantages of simple structure, easy operation and low energy consumption, and is capable of preparing the emulsified paraffin with good stability, uniform particle size and high quality.
Description
Technical field
The invention belongs to the technical field of emulsified olefin preparation, be specifically related to a kind of technology and device of continuous preparation emulsified olefin.
Background technology
The full name of paraffin is a petroleum wax, be lubricating oil distillate from the crude distillation gained through solvent treatment, solvent dewaxing, again through solvent deoiling, refining and sheet or needle crystal.Paraffin is of many uses, and has biological degradability, possesses more superior environmental-protecting performance than other substitute (plastics such as Vilaterm).But owing to be solid under the paraffin normal temperature, can not satisfy the purposes variety and maybe should use inconvenience, remedy its deficiency so people study emulsified olefin.Emulsified olefin is the aqueous uniform fluid of a kind of content of wax that paraffin forms under the stirring action of emulsifying agent and machinery; Owing to produce that emulsifying wax technology is simple relatively, facility investment is fewer and can use at normal temperatures; Need not with dissolution with solvents in use, film forming is even, spreadability good, concentration can obtain dilution than other wax, have safety, plurality of advantages such as economic, convenient in board materials production, printing-ink, rubber industry, agricultural is fresh-keeping and field such as daily chemical products is widely used.For example in the artificial board shaping process; Add a certain amount of wax, can improve waterproof, the humidity resistance of sheet material, make the surface brighter and cleaner; Use emulsifying wax and directly compare, have the paraffin of reduction consumption, reduce production costs and improve advantages such as board quality adding material after paraffin or the fusion.
The performance index that qualified emulsified olefin has leave standstill stability, pH value of solution value, disperse phase particle diameter and outward appearance.The principal element that influences the emulsified olefin performance index has emulsifiers formula and emulsifier unit.Emulsified olefin device commonly used at present mainly contains following several kinds:
1. mechanical stirrer is the simplest a kind of emulsified olefin device, specifically is that the high-speed stirring blade is housed in a container, thereby accomplishes emulsification through the high speed rotating of blade.Its key distinction of mechanical stirrer miscellaneous in the market changes emulsifying effectiveness through high-speed stirring blade form difference.The advantage of this method is that facility investment is little, in industry, uses wider; Shortcoming is that the emulsified olefin particle processed of this device is big and inhomogeneous, less stable, and different along with system, proportioning and container size and shape, and its effect differs.
2. static mixer; This device mainly is through letting the various types of panel elements of high-speed liquid impact flow in pipeline, and swiftly flowing liquid forms violent turbulent flow when the collision element; Form violent eddy current with the vertical section of liquid; The shearing force that produces acts on fluid again, makes it further to cut apart mixing, finally forms milk sap.The major advantage of this device is simple in structure, easily manufactured, processing ease; Shortcoming is that emulsifying effectiveness is not obvious.
3. colloidal mill, its principle of work be liquid when receiving centrifugal action, force through between the stator of high speed relative movement and rotor, rubbing, shear, effectively pulverized, emulsification, homogeneous, dispersion, mixing, thereby obtained emulsified olefin.Its major parts is rotor and stator, comes the emulsified olefin of production demands of different through the distance between adjustment rotor speed, stator and the rotor; Shortcoming is that the surface is easy to wear, influences thinning effect.
4. high pressure homogenizer, this device with high pressure reciprocating pump as transmitting and mass transport power, with mass transport to one-level homogenizing valve and secondary Emulsified valve.Material is not when passing through, and one-level homogenizing valve and secondary Emulsified valve all fit together closely, when material passes through; Under the liquid high pressure effect, spool and valve seat are squeezed by the strong hand by material and open a slit, and material is through the one-level homogenizing valve time; Pressure drop; Make it to form cavitation, material forms shearing action in slit, makes the material micronize; Thereby micronized material forms required emulsified olefin after the secondary Emulsified valve carries out emulsification.The advantage of high pressure homogenizer is that the material thermal value is little, and refining effect is good, can form uniform emulsified olefin; Shortcoming is that power consumption is big, and maintenance workload is big, for the big material poor effect of viscosity.
5. high-shear emulsion machine, this device at first make through fluid power shearing action and pressure wave effect and the material micronize through under the high shear of rotor, form great pressure gradient field again, under three's effect, carry out emulsification.The main working parts of this equipment configuration is one or more levels rotor-stator.Its main difference is the difference of the stator structure of rotor.Its major advantage is to handle different materials through changing different rotor-stators; Shortcoming is that treatment capacity is little.
In sum; All there is the shortcoming of batch production in these emulsified olefin devices; And the emulsifying agent consumption is generally bigger than normal, it is high that emulsifiers formula is required, and this is because paraffin is solid at normal temperatures, must be through heating before the emulsification; When emulsification, be prone to stressed inhomogeneous, emulsified olefin that therefore can not the production size distribution is even, the shelf time is long.In order to improve emulsifying effectiveness, thereby need the emulsifiers formula of high request or strengthen the cost that the emulsifying agent consumption increases emulsified olefin, infeasible economically.In addition, these devices are high to the emulsifying process conditional request, therefore inhomogeneous, the poor stability of emulsified olefin size distribution of preparation.
Summary of the invention
The present invention is for the preparation periodical operation that solves existing emulsified olefin, poor stability, cost is high, energy consumption is high problem; Provide a kind of simple in structure, efficient and can quantity-produced prepare the technology and the device of emulsified olefin continuously; Also can adjust the emulsifying agent consumption, thereby when improving the quality of products, further reduce cost according to product requirement is different.
The present invention adopts following technical scheme to realize:
The method for preparing emulsified olefin continuously; The steps include: that water adds hydrophilic emulsifying agent and forms water under whipped state; Paraffin becomes liquid under whipped state, to add oleophilic emulsifier formation oil phase through heating and melting; Water and oil phase are after heating reaches 80～95 ℃ of target temperatures, and water divides two strands, oil phase to get at a high speed in the emulsor that remains on 80～95 ℃ for one, and one water and oil phase clash in opposite directions with the initial velocity of 5～15m/s and mix the fan-shaped cloudy surface of formation; Another strand water vertically clashes into once more with mixed solution with the initial velocity ejection of 5～15m/s from side direction and realizes preliminary emulsification simultaneously; Realize precision emulsification in the ring packing of liquid entering in bump back with the rotating speed rotation of 300～2500rpm then, preliminary emulsification and precision emulsification are carried out continuously, form oil-in-water type emulsion paraffin solution.
The massfraction of oil phase and water is than being (5～25): (95～75).Emulsifying agent carries out composite (being that one or more hydrophilic emulsifying agent and one or more oleophilic emulsifier carry out composite) with two or more material; The HLB value is 10.5～14.5, and the total mass mark of emulsifying agent accounts for water and paraffin total mass fractional 0.5%～8%.
Be exclusively used in and realize the above-mentioned continuous device for preparing the method for emulsified olefin and design; Comprise paraffin emulsor and heating and heat-insulating device, the paraffin emulsor comprises the liquid distributor that the vacancy is provided with in netted ring packing that housing, enclosure interior are provided with and the ring packing; Described liquid distributor comprises water nozzle I, water nozzle II and oil phase nozzle; The outlet of water nozzle I and oil phase nozzle is oppositely arranged; The outlet of water nozzle II be positioned at emulsor the central position and perpendicular to the outlet line of water nozzle I and oil phase nozzle and be positioned at water nozzle I and the vertical line at the outlet line center of oil phase nozzle on; The parallel axes of ring packing is in the outlet line of water nozzle I and oil phase nozzle; Water nozzle I, water nozzle II connect the water storage tank that has whipping appts, and the oil phase nozzle connects the oil phase storage tank that has whipping appts; Housing bottom is provided with products export and is connected with the product storage tank, and housing, water storage tank, oil phase storage tank and connecting pipeline each other all are provided with heating and heat-insulating device.
Described housing comprises inner casing and shell, feeds recirculated water between inner casing and the shell and forms circulating water channel form of heating regime attemperator, and outer casing bottom is provided with circulating water intake and products export; Cover top portion is provided with circulating water outlet; Shell one side is provided with two water imports, and the shell opposite side is provided with an oil phase import, wherein; Circulating water intake only links to each other with circulating water channel through shell with circulating water outlet; Products export then is connected through shell inner casing inside with the product storage tank, two water import one ends are connected with inner water nozzle I, the water nozzle II of inner casing respectively through shell, inner casing respectively, and the other end is connected with the water storage tank through under meter, water conveying pump; Oil phase import one end is connected with the inner oil phase nozzle of inner casing through shell, inner casing; The other end is connected with the oil phase storage tank through under meter, oil phase transferpump, and circulating water channel, oil phase storage tank, water storage tank are all outer to be provided with the heating zone, and all connecting pipelines all are tied with the heating zone outward.The opening diameter of water nozzle and oil phase nozzle is 1～3mm, and hole shape is circle or long strip shape hole.
One water of method of the present invention flows in opposite directions at a high speed with one oil phase and clashes into; Under the effect of emulsifying agent; Reduce oil water interfacial tension, strengthen boundary strength, form a fan-shaped bump cloudy surface in the space perpendicular to the nozzle direction; The water of another burst compensation simultaneously clashes into fan-shaped bump cloudy surface from the vertical ejection of side direction once more, has realized the preliminary emulsification of emulsified olefin.Oil phase and water bump cloudy surface get into the inner chamber of the annular packing of high speed rotating simultaneously; The mixed solution of water and oil phase flows along the outside edge of filler hole; The high speed rotating of filler causes mixed solution bigger with the speed of relative movement of rotation filler; The mixed solution that radially sprays into is had the intensive shearing action, has produced strong atomizing, during this period through repeatedly cut, cohesion and dispersion process; These processes are that moment accomplishes and mix; Make oil phase and water obtain further precision emulsification, the emulsified olefin solution outer rim from rotary drum under action of centrifugal force that forms oil-in-water-type is thrown on the shell, under the effect of gravity, flows into the product storage tank through products export.
The relative prior art of the present invention has following beneficial effect:
1, the content owing to water in the emulsified olefin is far longer than paraffinicity; The present invention carries out preliminary in the emulsor that is provided with three nozzle percussion flow liquid distributors for emulsified olefin is specially designed and precision emulsification, thus can prepare stablize, the uniform high-quality emulsified paraffin of particle diameter.
2, apparatus structure of the present invention is simple, easy to operate, energy consumption is low, and the emulsified olefin product of its preparation is compared characteristics such as its emulsifying power height, good stability, size distribution be more even with the product of routine techniques production.
3, device of the present invention can be according to request for utilization, through adjustment water, oil phase flow adjust its emulsified olefin content, practice thrift emulsifier content, obtain the product of different mass requirement, and whole change procedure is simple.
4, device of the present invention can be adjusted different emulsifying temperatures according to the emulsified olefin product of different paraffin raw materials and different mass requirement, thereby cuts down the consumption of energy.
Description of drawings
Fig. 1 is a continuous preparation emulsified olefin device synoptic diagram according to the invention
Fig. 2 is the emulsor structural representation
Fig. 3 is the synoptic diagram of three nozzle percussion flow liquid distributors
Among the figure: 1-recirculated water transferpump, 2-recirculated water storage tank, 3-water storage tank, 4-water conveying pump, 5-oil phase storage tank, 6-oil phase transferpump, 7-paraffin emulsor, 8-product storage tank, 9-heating and heat-insulating device, 10-under meter.
7.1-inner casing, 7.2-circulating water intake, the import of 7.3-oil phase, 7.4-oil phase nozzle, 7.5-circulating water outlet, 7.6-shell, 7.7-water nozzle I, the import of 7.8-water, 7.9-products export, 7.10-annular packing, 7.11-water nozzle II.
Embodiment
Specific embodiments of the invention is described further, and embodiment is used for explaining of the present invention, rather than it is done any restriction.
The present invention is a kind of technology and device of continuous preparation emulsified olefin, and paraffin and water are having elementary emulsification of generation and precision emulsification in emulsor under the condition of emulsifying agent, and concrete steps are:
1. water is prepared: have in the water storage tank of heat tracing, whipping appts and be water, add hydrophilic emulsifier, hydrophilic emulsifying agent can be tween series, OP series etc.;
2. oil phase is prepared: have and add paraffin in the oil phase storage tank of heat tracing, whipping appts and treat its thawing, add lipophilic emulsifier, this oleophilic emulsifier can be oleic acid, span series etc.;
Annotate: emulsifying agent carries out composite with two or more material, the HLB value is 10.5～14.5.Hydrophilic and total mass mark oleophilic emulsifier accounts for paraffin and water total mass fractional 0.5%～8%.
3. recirculated water is prepared: in the circulating water channel is water;
4. prepare before the emulsification: water storage tank, the oil phase storage tank that has attemperator, whipping appts; After being heated to target temperature, the recirculated water storage tank that has an attemperator is incubated; Target temperature is 80～95 ℃; And simultaneously the heating zone is maintained at same temperature, behind the temperature-stable, open the whipping appts of water storage tank and oil phase storage tank;
5. emulsion process: through adjustment oil phase, water under meter control two phase flow; By transferpump two strands of waters and one oil phase are sent into water nozzle and oil phase nozzle corresponding in the emulsor respectively; One water that is positioned at the emulsor left side central portion sprays the back with identical speed (the fan-shaped bump cloudy surfaces of 5～15m/s) mobile in opposite directions bump formation from water nozzle I and oil phase nozzle high speed respectively with oil phase; The water nozzle II that is positioned at the emulsor center simultaneously has another burst compensation water to clash into once more with fan-shaped bump cloudy surface with the vertical ejection of initial velocity of 5～15m/s from side direction, in knockout process, realizes elementary emulsification; Impact surface liquid gets in the annular packing with the rotating speed rotation of 300～2500rpm, carries out precision emulsification, forms the emulsified olefin of oil-in-water-type.
The special device of realizing above-mentioned continuous preparation emulsified olefin method: comprise paraffin emulsor 7 and heating and heat-insulating device 9, emulsion process is mainly carried out in the inner casing 7.1 of emulsor 7, and 7.6 on shell forms heating and heat-insulating device through recirculated water and keeps temperature.Shell 7.6 bottoms are provided with circulating water intake 7.2 and products export 7.9; The top is provided with circulating water outlet 7.5; Left side central portion and top are respectively equipped with two water imports 7.8, and right side central is provided with oil phase import 7.3, and wherein circulating water intake 7.2 only links to each other with circulating water channel 2 through shell 7.6 with circulating water outlet 7.5; 7.9 of products exports pass through shell 7.6 and are connected with product storage tank 8 with inner casing 7.1, and two water imports 7.8 are passed through shell 7.6 and inner casing 7.1 with 7.3 of oil phase imports.The annular packing 7.10 that silk screen is processed is set in the inner casing 7.1; The middle vacancy of annular packing 7.10 sets out relative water nozzle I in mouthful position 7.7 and oil phase nozzle 7.4; Another water nozzle II 7.11 is located at the center of emulsor 7; The water storage tank 3 of two water import 7.8 connecting band whipping apptss and two water nozzle I 7.7 and water nozzle II 7.11, the oil phase storage tank 5 and the oil phase nozzle 7.4 of oil phase import 7.3 connecting band whipping apptss.Circulating water channel 2, water storage tank 3, oil phase storage tank 5 all have separately heating and heat-insulating device 9 and connecting pipeline all to be provided with corresponding transferpump 1,4,6 and under meter 10, and all connecting pipelines all are tied with the heating zone outward and guarantee that the emulsor internal and external temperature is constant.Described heating and heat-insulating device also can be other forms of the prior art.
Further prepare the method for oil-in-water type emulsion paraffin at above-mentioned emulsified olefin device; Be incubated after the steps include: to prepare water and oil phase, open pipeline heating zone and circulating water channel heating and heat-insulating device, pass through the recirculated water transferpump then to emulsor delivery cycle water; After treating that each item temperature reaches target temperature; Through adjustment oil phase, water under meter dominant discharge, by the transferpump of correspondence two strands of waters and oil phase are sent in the emulsor separately water nozzle and oil phase nozzle, one water that is positioned at the emulsor left side central portion sprays at a high speed afterwards with identical speed (5～15m/s) mobile in opposite directions bumps from water nozzle I and oil phase nozzle respectively with oil phase; Under the effect of emulsifying agent; Reduce oil water interfacial tension, strengthen boundary strength, form a fan-shaped bump cloudy surface in the space perpendicular to the nozzle direction; Another burst of the water nozzle II compensation water that is positioned at the emulsor center simultaneously clashes into fan-shaped bump cloudy surface from the vertical ejection of side direction once more, has realized the preliminary emulsification of emulsified olefin.Oil phase and water bump cloudy surface get into the inner chamber with the annular packing of the rotating speed rotation of 300～2500rpm simultaneously; The mixed solution of water and oil phase flows along the outside edge of filler hole; The high speed rotating of filler causes mixed solution bigger with the speed of relative movement of rotation filler; The mixed solution that radially sprays into is had the intensive shearing action, has produced strong atomizing, during this period through repeatedly cut, cohesion and dispersion process; These processes are that moment accomplishes and mix; Make oil phase and water obtain further precision emulsification, form the emulsified olefin solution of oil-in-water-type and under action of centrifugal force the outer rim from rotary drum be thrown on the shell, under the effect of gravity through products export inflow product storage tank.
Embodiment 1:
Embodiment 2:
Embodiment 3:
With water storage tank 3, oil phase storage tank 5, recirculated water storage tank 2 temperature be heated to 90 ℃ stable for keeping, the heating zone holding temperature is set to 90 ℃, adopts technical grade 68
#Paraffin wax fully refined, deionized water are main raw material, and preparation contains the aqueous solution of hydrophilic emulsifying agent in water storage tank 3, contain the paraffin wax emulsions of oleophilic emulsifier in 5 preparations of paraffin storage tank.In the water massfraction: get into emulsor under the ratio of oil phase massfraction=85:15, the opening diameter of nozzle is 2mm, is square opening; Filler is a Stainless Steel Cloth, and the bump initial velocity of water, oil phase is 10m/s, and the initial velocity of compensation water is that the rotating speed of 15m/s annular packing is 1400rpm; Emulsifying agent is span80 and X 2073; The HLB value is 13.3, and emulsifying agent total mass mark is water and paraffin total mass fractional 5%, and the emulsified olefin median size of preparation is 5.4 μ m; The emulsified olefin of processing is put into port grinding bottle, at room temperature leave standstill after 25 days and begin layering.
Embodiment 4:
With water storage tank 3, oil phase storage tank 5, recirculated water storage tank 2 temperature be heated to 95 ℃ stable for keeping, the heating zone holding temperature is set to 95 ℃, adopts technical grade 60
#Paraffin wax fully refined, deionized water are main raw material, and preparation contains the aqueous solution of hydrophilic emulsifying agent in water storage tank 3, contain the paraffin wax emulsions of oleophilic emulsifier in 5 preparations of paraffin storage tank.In the water massfraction: get into emulsor under the ratio of oil phase massfraction=80:20, the opening diameter of nozzle is 2.5mm, is circular hole; Filler is a Stainless Steel Cloth, and the bump initial velocity of water, oil phase is 13m/s, and the initial velocity of compensation water is that the rotating speed of 11m/s annular packing is 2300rpm; Emulsifying agent is oleic acid and OP-10; The HLB value is 14.2, and emulsifying agent total mass mark is water and paraffin total mass fractional 4%, and the emulsified olefin median size of preparation is 1.5 μ m; The emulsified olefin of processing is put into port grinding bottle, at room temperature leave standstill after 27 days and begin layering.
Embodiment 5:
With water storage tank 3, oil phase storage tank 5, recirculated water storage tank 2 temperature be heated to 95 ℃ stable for keeping, the heating zone holding temperature is set to 95 ℃, adopts technical grade 62
#Paraffin wax fully refined, deionized water are main raw material, and preparation contains the aqueous solution of hydrophilic emulsifying agent in water storage tank 3, contain the paraffin wax emulsions of oleophilic emulsifier in 5 preparations of paraffin storage tank.In the water massfraction: get into emulsor under the ratio of oil phase massfraction=75:25, the opening diameter of nozzle is 3mm, is circular hole; Filler is a plastic silk screen, and the bump initial velocity of water, oil phase is 15m/s, and the initial velocity of compensation water is 13m/s; The rotating speed of annular packing is 2500rpm, and emulsifying agent is span80 and tween60, and the HLB value is 14.5; Emulsifying agent total mass mark is water and paraffin total mass fractional 8%; The emulsified olefin median size of preparation is 0.5 μ m, and the emulsified olefin of processing is put into port grinding bottle, at room temperature leaves standstill after 30 days to begin layering.
Claims (6)
1. method for preparing continuously emulsified olefin; The steps include: that water adds hydrophilic emulsifying agent and forms water under whipped state; Paraffin becomes liquid under whipped state, to add oleophilic emulsifier formation oil phase through heating and melting; Water and oil phase are after heating reaches 80～95 ℃ of target temperatures, and water divides two strands, oil phase to get at a high speed in the emulsor that remains on 80～95 ℃ for one, and one water and oil phase clash in opposite directions with the initial velocity of 5～15m/s and mix the fan-shaped cloudy surface of formation; Another strand water vertically clashes into once more with mixed solution with the initial velocity ejection of 5～15m/s from side direction and realizes preliminary emulsification simultaneously; Realize precision emulsification in the ring packing of liquid entering in bump back with the rotating speed rotation of 300～2500rpm then, preliminary emulsification and precision emulsification are carried out continuously, form oil-in-water type emulsion paraffin solution.
2. the continuous method for preparing emulsified olefin according to claim 1, the massfraction that it is characterized in that oil phase and water is than being (5～25): (95～75).
3. the continuous method for preparing emulsified olefin according to claim 1, it is composite to it is characterized in that emulsifying agent carries out with two or more material, and the HLB value is 10.5～14.5, and the total mass mark of emulsifying agent accounts for water and paraffin total mass fractional 0.5%～8%.
4. one kind is exclusively used in realization like claim 1 or the 2 or 3 described continuous devices that prepare the method for emulsified olefin and design; It is characterized in that comprising paraffin emulsor (7) and heating and heat-insulating device, the paraffin emulsor comprises the netted ring packing (7.10) of housing, enclosure interior setting and the liquid distributor that the middle vacancy of ring packing (7.10) is provided with; Described liquid distributor comprises water nozzle I (7.7), water nozzle II (7.11) and oil phase nozzle (7.4); The outlet of water nozzle I (7.7) and oil phase nozzle (7.4) is oppositely arranged; The outlet of water nozzle II (7.11) be positioned at emulsor the central position and perpendicular to the outlet line of water nozzle I (7.7) and oil phase nozzle (7.4) and be positioned at water nozzle I (7.7) and the vertical line at the outlet line center of oil phase nozzle (7.4) on; The parallel axes of ring packing (7.10) is in the outlet line of water nozzle I (7.7) and oil phase nozzle (7.4); Water nozzle I (7.7), water nozzle II (7.11) connect the water storage tank (3) that has whipping appts, and oil phase nozzle (7.4) connects the oil phase storage tank (5) that has whipping appts; Housing bottom is provided with products export (7.9) and is connected with product storage tank (8), and housing, water storage tank (3), oil phase storage tank (5) and connecting pipeline each other all are provided with heating and heat-insulating device.
5. the device of continuous preparation emulsified olefin according to claim 4; It is characterized in that described housing comprises inner casing (7.1) and shell (7.6); Feed recirculated water between inner casing (7.1) and the shell (7.6) and form circulating water channel form of heating regime attemperator; Outer casing bottom is provided with circulating water intake (7.2) and products export (7.9); Cover top portion is provided with circulating water outlet (7.5); Shell one side is provided with two water imports (7.8), and the shell opposite side is provided with an oil phase import (7.3), wherein; Circulating water intake (7.2) only links to each other with circulating water channel through shell (7.6) with circulating water outlet (7.5); Products export (7.9) then is connected through shell (7.6) inner casing (7.1) inside with product storage tank (8), two water import (7.8) one ends are connected with inner water nozzle I (7.7), the water nozzle II (7.11) of inner casing respectively through shell (7.6), inner casing (7.1) respectively, and the other end is connected with water storage tank (3) through under meter (10), water conveying pump (4); Oil phase import (7.3) one ends are connected with the inner oil phase nozzle (7.4) of inner casing through shell (7.6), inner casing (7.1); The other end is connected with oil phase storage tank (5) through under meter, oil phase transferpump (6), and circulating water channel, oil phase storage tank (5), water storage tank (3) are all outer to be provided with the heating zone, and all connecting pipelines all are tied with the heating zone outward.
6. the device of continuous preparation emulsified olefin according to claim 5, the opening diameter that it is characterized in that water nozzle and oil phase nozzle is 1～3mm, hole shape is circle or long strip shape hole.
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| CN110115943A (en) * | 2019-05-30 | 2019-08-13 | 河海大学 | Liquid-liquid bicontinuous emulsion interface preparation facilities and method |
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| CN111019155A (en) * | 2019-10-31 | 2020-04-17 | 湖州美伦纺织助剂有限公司 | Preparation process of high-concentration paraffin emulsion |
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