CN201445819U - Molecular distillating machine - Google Patents

Abstract

A molecular distillating machine belongs to the field of medical biochemical engineering equipment and comprises a base, an evaporator, a condenser, a cover with a feeding pipe and a film blade. The evaporator and the condenser are arranged on the base, the cover with a feeding pipe is arranged on the upper portion of the evaporator, the film blade is connected onto the cover, a rotating cage is arranged inside a chamber body between the evaporator and the condenser, and the condenser comprises an upper pipe seat ring, a lower pipe seat ring, a group of cooling medium leading-in pipe and a group of cooing medium leading-out pipe. The molecular distillating machine is characterized in that at least one intermediate separation disc is arranged on a height direction of the cooling medium leading-in pipes and the cooling medium leading-out pipes, a recovery hole which is arranged on the intermediate separation disc is connected with a recovery pipe used for leading out liquid inside the intermediate separation disc, and the cooling medium leading-in pipes and the cooling medium leading-out pipes penetrate through the intermediate separation disc. The molecular distillating machine has the advantages that the intermediate separation disc collects condensed liquid in advance, thereby preventing a liquid film of the condensed liquid from being thickened during a downwards flowing process, preventing the temperature on the surface of the liquid film rising, preventing resistance on the surface of the liquid film from being increased, and effectively improving condensing effect of the liquid film.

Description

Molecular distillating machine

Technical field

The utility model belongs to the medicine biochemical engineering equipment technical field, is specifically related to a kind of molecular distillating machine, is applicable to the organic mixture of higher boiling, high viscosity and thermal sensitivity and separating of natural products.

Background technology

Molecular clock is commonly called short-path distillation, in view of the above, molecular distillating machine is commonly called the short-path distillation machine, so-called short-path distillation is a kind of special liquid-liquid isolation technics that (residual gas pressure is less than 10pa) carries out under high vacuum, vapor molecule is heated behind the effusion liquid film through short distance back condensation rapidly on built-in condenser, what overcome routine is the constraint of VLE during traditional distillation is evaporated, make the short-path distillation process remain higher mass transfer force, thereby realize the efficient separation of material.Because molecular distillating machine is particularly suitable for separating the organic mixture and the natural products of higher boiling, high viscosity and thermal sensitivity, therefore obtained using widely in food, medicine, grease processing and field of petrochemical industry.

Molecular distillating machine is that the product of short-path distillation machine production is numerous, reaches hundreds of.To distill concentrated product is example: the extract (as capsanthin, lycopene, pyrethrins, lecithin, solatene and middle pharmaceutically active ingredient or the like) that the leaf neck root of synthetic vitamin class material, wool aliphatic acid, lanonol, palm oil, rice bran oil, fish oil and cod-liver oil and natural plants is arranged; With the product that removes free monomer is example: epoxy resin, Epoxy oil, Polyurethane, isocyanates, resin and plastic, plasticizer, stabilizing agent, acrylates, glycerin monostearate, two sweet esters, aliphatic acid dimer, organic intermediate (as ester class, amine synthesis of organic substance or the like) are arranged; The product that takes off flavor with decolouring is an example: it is brake oil, pumping fluid, lubricating oil and paraffin or the like that organic intermediate, lactic acid, aliphatic acid and derivative thereof, epoxy resin, Epoxy oil, vegetable wax, silicone oil, brake fluid are arranged.

As shown in the above description, the application of molecular distillating machine is very extensive, and comparatively common structure to the employed molecular distillating machine of product that removes free monomer as shown in Figure 3 in the prior art.Comprise pedestal 1, evaporimeter 2, blade applicator 3, condenser 4 and be furnished with the lid 5 of feed pipe 51, evaporimeter 2 is installed on the pedestal 1, blade applicator 3 is positioned at evaporimeter 2, and condenser 4 similarly is installed on the pedestal 1 and is positioned at blade applicator 3, and lid 5 is fixed on the top of evaporimeter 2.The blade applicator 3 of above-mentioned molecular distillating machine comprises rotating cage 31 and is installed in the rotating cage driving mechanism 32 that is used to order about rotating cage 31 rotations that connects with rotating cage 31 transmissions on the described lid 5, rotating cage 31 comprises a receiver 311, one group of center fixed ring 312, one end rotating disk 313, one group of fixed bar 314, one group of knifing Roller Shaft 315 and knifing roller 316, one group of fixed bar 314 is provided with at interval, the dish edge of the upper end of each fixed bar 314 and receiver 311 is fixed, the middle part wears and is fixed on one group of center fixed ring 312, and the lower end of each fixed bar 314 and end rotating disk 313 are fixing, by one group of fixed bar 314 with receiver 311, one group of center fixed ring 312 and end rotating disk 313 connect and constitute the rotating cage 31 of mouse cage shape, the interruption-like each other attitude of one group of knifing Roller Shaft 315 ground and receiver 311, center fixed ring 312 and end rotating disk 313 are fixing, and knifing roller 316 is nested with on each knifing Roller Shaft 315.When material when feed pipe 51 causes on the receiver 311, under the work of the motor 321 of the rotating cage driving mechanism 32 of blade applicator 3, drive main shaft 323 rotations through reductor 322, because main shaft 323 connects with receiver 311, therefore drive receiver 311 rotations by main shaft 323, make the rotating cage 31 of whole blade applicator 3 be in rotation status.Material to be distilled on the receiver 311 is got rid of to the inwall 21 of evaporimeter 2 under action of centrifugal force, promptly get rid of to the evaporating surface of evaporimeter 2 or claim on the heating surface, material descends at the effect lower edge of gravity inwall 21, at this moment, scraped by knifing roller 316 and to smear and form thickness liquid film relatively uniformly, on 2 pairs of inwalls 21 of evaporimeter is that material on the evaporating surface carries out in the process of heating evaporation, the molecule of the light component in the material is steamed and is arrived condenser 4, by drawing after condenser 4 condensations, thereby reach the purpose that liquid-liquid separates.

The existing deficiency of above-mentioned molecular distillating machine is: the structure of condenser 4 is lost rationally, because evaporate the cryosurface condensation of the steam molecule arrival condenser 4 that produces by evaporimeter 2 after, collect in the bottom of condenser 4 at last in the condensing surface continuous-flow of gravity effect lower edge condenser 4.Yet because the condensate liquid flow is less and its viscosity is higher, the mobile laminar condition that shows as of condensate liquid, its thickness of liquid film increases (thickening gradually) gradually with flow direction.When the liquid film thickening, heat transmission resistance increases, and the liquid film surface temperature is raise, and steam obtains condensation timely and effectively and causes separative efficiency significantly to descend.

In addition, above-mentioned molecular distillating machine is existing to also have deficiency to be: the unreasonable structure of the rotating cage 31 of blade applicator 3, because the function that the receiver 311 of the rotating cage 31 of formation blade applicator 3 is taken on is the inwall that material is assigned to evaporimeter 2, yet it is because comparatively concentrated from the material of feed pipe 51 introducings, material is that the feed liquid flow is bigger, receiver 311 often can't be shed inwall 21 equably with material, thereby material need be smeared down the scraping of long period of knifing roller 316, could form the uniform film of circumferencial direction thickness on the surface of inwall 21 is liquid film, like this then evaporating surface that be lowered into evaporimeter 2 greatly is the utilization rate of inwall 21, both reduced separative efficiency, wasted energy again.

And, the existing shortcoming of above-mentioned molecular distillating machine also is: when knifing roller 316 in process to the material drawout on the inwall 21, certainly exist the drop splash phenomena, and steam molecule also entrained drip in large quantities when flying to condenser 4 with spray regime, these drops can seriously influence the purity of product after collecting on the condenser 4, reduce liquid-liquid separating effect.

Summary of the invention

Top priority of the present utility model is to provide a kind of and can prevents effectively that liquid film from using at the condensing surface thickening of condenser and avoid the liquid film surface temperature to raise and avoid heat transmission resistance to increase, and significantly improves the molecular distillating machine of liquid film condensation effect.

The inwall that an also task of the present utility model is to provide a kind of material that feed pipe can be introduced to shed evaporimeter with uniform state ground forms the uniform liquid film of thickness fast and uses the molecular distillating machine of raising separative efficiency and energy savings.

Another task of the present utility model is to provide a kind of drop that can prevent effectively to spatter molecular distillating machine from the separated product purity of guarantee to condenser that use.

For top priority of the present utility model is finished in embodiment, technical scheme provided by the utility model is: a kind of molecular distillating machine, comprise pedestal, be located at evaporimeter and condenser on the pedestal, be placed in the lid with feed pipe on evaporimeter top and be linked in described cover order about the blade applicator that the rotating cage driving mechanism of rotating cage motion constitutes by rotating cage with rotating cage transmission being used to of connecting, wherein, in the cavity of rotating cage between described evaporimeter and condenser, described condenser comprises the base circle, the bottom nozzle circle, one group of cooling medium inlet tube and one group of cooling medium fairlead, last base circle be hollow and constitute sap cavity once, one group of cooling medium inlet tube and one group of cooling medium fairlead all are circumferential arrangement, the upper end of each cooling medium inlet tube and cooling medium fairlead is fixed with last base circle and is all communicated with described time sap cavity, lower end and bottom nozzle circle are fixed, wherein, the bottom nozzle circle is a hollow, and be separated out admission chamber and go out sap cavity by the intermediate section dividing plate, the cooling medium that continued on admission chamber is introduced interface, and draw interface going out the cooling medium that continued on the sap cavity, described cooling medium inlet tube communicates with admission chamber, and described cooling medium fairlead with go out sap cavity and communicate, be characterised in that: on the short transverse of described cooling medium inlet tube and cooling medium fairlead, be provided with space disc at least one, offer recovery holes on the middle space disc, continuing on the recovery holes is useful on the recovery tube that the liquid material in the middle space disc is drawn, and described cooling medium inlet tube and cooling medium fairlead pass described middle space disc.

For an also task of the present utility model is finished in embodiment, technical scheme provided by the utility model is: described rotating cage comprises a receiver, one group of center fixed ring, one end rotating disk, one group of fixed bar, one group of knifing Roller Shaft, knifing roller and enclose the liquid weir, one group of fixed bar is spaced apart from each other, the upper end and the receiver of each fixed bar are fixed, the middle part wears and is fixed on one group of center fixed ring, lower end and end rotating disk are fixed, one group of knifing Roller Shaft at interval and each other vertically concurrently with receiver, center fixed ring and end rotating disk are fixed, the knifing roller is nested with on each knifing Roller Shaft, enclose the liquid weir and be located on the receiver, enclosing the spaced apart cloth hole that is provided with on the liquid weir.

In a specific embodiment of the present utility model, describedly enclose the central region that the liquid weir is located at the upper surface of described receiver.

In another specific embodiment of the present utility model, described cloth hole be circular hole, tri-angle-holed or＜the shape hole.

Go back in the specific embodiment of the present utility model, described knifing roller completely is enclosed within on each knifing Roller Shaft.

In another specific embodiment of the present utility model, described knifing roller be shaped as the pipe body.

For another task of the present utility model is finished in embodiment, technical scheme provided by the utility model is: be provided with Despumation device between described each adjacent knifing Roller Shaft that is equipped with the knifing roller, the top of each Despumation device and described receiver are fixed, the middle part is fixed with described center fixed ring, and bottom and rotating disk of the described end are fixed.

In another specific embodiment of the present utility model, described Despumation device respectively comprises a pair of splash guard and one group of foam removal baffle plate, each splash guard is corresponding with the short transverse of described knifing roller and be adjacent to the knifing roller, and described one group of foam removal baffle plate is with state ground, interval and vertically parallel each other between described a pair of splash guard, wherein, the upper end and the described receiver build-in of each splash guard and each foam removal baffle plate, lower end and rotating disk build-in of the described end are fixed with described center fixed ring in the middle part.

More of the present utility model and in specific embodiment, the height of described one group of foam removal baffle plate is identical with the height of described a pair of anti-sputter baffle plate.

In of the present utility model and then specific embodiment, the shape of cross section of described foam removal baffle plate is＜shape or S shape.

The advantage of technical scheme provided by the utility model: owing to be provided with middle space disc in the short transverse of cooling medium inlet tube and cooling medium fairlead, thereby condensate liquid is collected in advance by middle space disc, avoid the liquid film thickening of condensate liquid in the process that flows downward, guarantee that the liquid film surface temperature can not raise and can not increase resistance, improves the liquid film condensation effect effectively.

Description of drawings

Fig. 1 is a specific embodiment structure chart of the utility model molecular distillating machine.

Fig. 2 is the cutaway view of Fig. 1.

Fig. 3 is the structure chart of the molecular distillating machine of prior art.

The specific embodiment

For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present utility model and beneficial effect more, the applicant general elaborates in conjunction with the accompanying drawings in the mode of embodiment below, but to the description of embodiment all is not restriction to the utility model scheme, any according to the utility model design done only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.

Ask for an interview Fig. 1 and Fig. 2, provided pedestal 1, central configuration at pedestal 1 has one to vacuumize jar, one evaporimeter 2 is fixed by the mounting flange 22 of its bottom and the upper edge of pedestal 1, this evaporimeter 2 is alveolate texture and peripheral hardware heat-insulation layer 26, heat medium such as steam or conduction oil or other similar heating agent such as hot water are introduced from heat medium intake 23, after refluxing, honeycomb hole 25 draws from heat medium outlet 24, form circulation, so that inwall 21 heating to evaporimeter 2, this inwall 21 is the evaporating surface (as follows) that contacts with material. and condenser 4 is positioned at evaporimeter 2 and is fixing or claim to be installed on the pedestal 1 with pedestal 1. and condenser 4 comprises base circle 41, bottom nozzle circle 42, one group of cooling medium inlet tube 43 and one group of cooling medium fairlead 44 and space disc 45 at least one, last base circle 41 be hollow and constitute sap cavity 411 once, one group of cooling medium inlet tube 43 and one group of cooling medium fairlead 44 all are the circle spacing arrangement, the upper end of each cooling medium inlet tube 43 and cooling medium fairlead 44 is fixed with last base circle 41 and is all communicated with described time sap cavity 411, lower end and bottom nozzle circle 42 are fixing, bottom nozzle circle 42 is a hollow, and be separated out into by intermediate section dividing plate 421, go out sap cavity 422,423, the cooling medium that continued on admission chamber 422 is introduced interface 4221, and draw interface 4231 going out the cooling medium that continued on the sap cavity 423, described cooling medium inlet tube 43 communicates with admission chamber 422, and aforesaid cooling medium fairlead 44 with go out sap cavity 423 and communicate. top mention medium can be water, also can be the cooling fluid of other and water equivalence. cooling medium is introduced interface 4221 by cooling medium and is introduced admission chambers 422, enter back sap cavity 411 through cooling medium inlet tube 43, then cause out sap cavity 423 by cooling medium fairlead 44, draw until draw interface 4231 by cooling medium, forming circulating reflux. middle space disc 45 is configured on the short transverse of cooling medium inlet tube 43 and cooling medium fairlead 44, middle space disc 45 constitutes vertical relations with cooling medium inlet tube 43 and cooling medium fairlead 44, more particularly, the middle space disc 45. that cooling medium inlet tube 43 and cooling medium fairlead 44 pass annular offers recovery holes 451 on middle space disc 45, a thickness of liquid film that is provided with the feed liquid that helps the attenuate condenser surface of space disc 45 in the recovery tube 452. that the material of dish in the chamber drawn that is used for space disc 45 continues on recovery holes 451, improve the condensation efficiency of condenser 4, because the material of condensation is in the condenser surface continuous-flow of gravity effect lower edge, because the liquid of condensate liquid stream flow is less and viscosity is higher, liquid form shows as laminar flow, its thickness of liquid film increases gradually with flow direction, therefore when the liquid film thickening, heat transmission resistance just increases, the liquid film surface temperature is raise, so can not get effective condensation, steam cause separative efficiency to descend. by space disc 45 in being provided with, remove condensate liquid by middle space disc 45, can ensure that the condensate liquid that is evaporated by evaporimeter 2 obtains effective condensation at condenser 4, promptly improve the condensation efficiency of condenser. wander about as a refugee after the condensation and drop down to reclaiming hopper 46 in the condensate liquid of condenser 4, draw by the condensate liquid recovery tube 461 that continues on reclaiming hopper 46. be fixed in the inwall of bottom nozzle circle 42 to aforesaid recovery hopper 46 and inclination form, the cavity volume 47 of condenser 4 is corresponding with the aforesaid jar 11 that vacuumizes. in the present embodiment, though especially in Fig. 1, only see a middle space disc 45, but according to space disc in the general knowledge 45 are segmentation settings, when the height of condenser 4 is high more, be cooling medium inlet tube 43 and cooling medium fairlead 44 long more (vertically height), the quantity of so middle space disc 45 is corresponding to be increased, and can be confirmed by Fig. 2 this.

Please continue to see Fig. 1 and Fig. 2, blade applicator 3 comprises rotating cage 31 and rotating cage driving mechanism 32, rotating cage 31 comprises a receiver 311, one group of center fixed ring 312, one end rotating disk 313, one group of fixed bar 314, one group of knifing Roller Shaft 315, knifing roller 316, enclose liquid weir 317 and one group of Despumation device 318, one group of quantity is not subjected to the fixed bar 314 of restricted number shown in Figure 1 with state ground, interval and preferably with the setting of equidistant compartment of terrain, specifically: the upper end and receiver 311 edges of each fixed bar 314 are fixed, the middle part of each fixed bar 314 is interspersed to be fixed on one group of center fixed ring 312, and the lower end of each fixed bar 314 and end rotating disk 313 are fixing. fairly obvious, by one group of fixed bar 314 with receiver 311, the center fixed ring 312 of one group of each interval and end rotating disk 313 these threes connect be one just as the integral body as the mouse cage. preferred scheme is: configuration one knifing Roller Shaft 315 between two adjacent fixed bars 314, specifically: with the upper end of each knifing Roller Shaft 315 by first fixedly ear 3151 fix with the edge of receiver 311, with the middle part of each knifing Roller Shaft 315 by the quantity with center fixed ring 312 equate second fixedly ear 3152 fix with the edge of center fixed ring 312, and the lower end of each knifing Roller Shaft 315 or claim the bottom by the 3rd fixedly ear 3153 fix with the edge of end rotating disk 313. on each root knifing Roller Shaft 315, be nested with the knifing roller 316 that is shaped as tubular body in full mode of overlapping, here the notion of the full cover of being said is meant that the short transverse (Figure 1 shows that example) to knifing Roller Shaft 315 all is not nested with knifing roller 316 with not leaving a blank the territory, missing plot, by the inwall 21 of 316 pairs of evaporimeters 2 of knifing roller is that material on the evaporating surface is scraped to smear and formed uniform thickness. as a technical essential of the present utility model: 311 of receivers towards on a side surface and be positioned at middle section and set firmly and enclose liquid weir 317, on the wall that encloses liquid weir 317 with alternate form offer cloth hole 3171, the cloth hole of illustrating among the figure 3171 is for tri-angle-holed, but do not repel other shape for example circular port or hex hole or＜shape hole or the like. the discharging opening 511 of the feed pipe 51 on the material chamber 3172 that forms by enclosing liquid weir 317 enclosures and the lid 5 is corresponding, that is to say that the material rate to be separated that feed pipe 51 is introduced is introduced in the material chamber 3172, is drawn out to aforesaid inwall 21. by cloth hole 3171 then

311 of receivers towards on the surface of a side, more particularly also have a terminal pad seat 3111 in the described central authorities that enclose liquid weir 317, realize connecting by this terminal pad seat 3111 with rotating cage driving mechanism 32.Motor 321 as the rotating cage driving mechanism 32 of blade applicator 3 connects with reductor 322, and take motor 321 by reductor 322 and be installed on the central authorities of covering 5 top, one end of main shaft 323 is that illustrated upper end is matched with the power output shaft of reductor 322 by axle bed 3231, and the lower end of main shaft 323 is connected with terminal pad seat 3111 by terminal pad 3232.When second adapting flange, 27 usefulness the screws on first adapting flange 52 of lid 5 bottom and evaporimeter 2 tops and add sealing gasket fixing after, the rotating cage 31 of blade applicator 3 is just between by evaporimeter 2 and condenser 4 in the formed space or title cavity that is about the 4-6cm degree.Knifing roller 316 is corresponding to the inwall 21 of evaporimeter 2, and the gap that is kept between knifing roller 316 and the inwall 21 is the thickness of liquid film that will control, is generally 0.05-0.5mm.Each is organized Despumation device 318 and comprises a pair of splash guard 3181 and one group of foam removal baffle plate 3182, splash guard 3181 is adjacent to knifing roller 316, specifically be that the upper end of splash guard 3181 and the edge of receiver 311 are fixed, the middle part is fixing with one group of center fixed ring 312, and bottom and end rotating disk 313 are fixing.By Fig. 1 signal and according to applicant's above-mentioned explanation, should realize and know: with respect to the both sides that are located at the knifing roller 316 on each knifing Roller Shaft 315 one splash guard 3181 be arranged respectively, and be that one group of shape of cross section is＜the foam removal baffle plate 3182 of font between a pair of splash guard 3181.The edge of receiver 311 preferably is fixed in the upper end of each foam removal baffle plate 3182 with mosaic mode, the middle part also with the mosaic mode build-in on one group of center fixed ring 312, and the bottom equally with the mosaic mode build-in on end rotating disk 313.The function of above-mentioned Despumation device 318 is: when knifing roller 316 in process to the material drawout on the inwall 21, having drop unavoidably splashes, and when flying to condenser with spray regime, steam molecule also can carry a large amount of drops secretly, these drops can seriously influence the purity of product after collecting on the condenser 4, promptly reduce liquid-liquid separating effect.And being provided with of splash guard 3181 and foam removal baffle plate 3182 can be removed by the vapor stream droplets entrained, because can turning to and turn back to when meeting with splash guard 3181 and foam removal baffle plate 3182 or claim to throw, drop gets back to inwall 21, little and the fireballing composition of steam molecule then can pass through by splash guard 3181 and foam removal baffle plate 3182 formed barriers and arrive condensers, therefore, the influence to product quality that drop splashes and entrainment is caused can be eliminated by foam removal mechanism 318, strengthens separating effect.

As described above, the device 4 of being condensed is condensed promptly to be separated the back materials or claims to steam and get thing respectively by middle space disc 45 with reclaim hopper 46 and reclaim, steam except that material then along inwall 21 drop down and in being located at pedestal 1 and with the inwall of pedestal 1 fix liquid return trough 12, take over 121 and draw by the liquid that returns on the liquid return trough 12 outside of continuing.

The applicant narrates the course of work of the present utility model in conjunction with Fig. 1 and Fig. 2, with the distillation monoglyceride is example, the full name of monoglyceride is that (English name is mono fatty acid glyceride: Monoglycerides, be called for short MG), the monoglyceride product is a kind of white wax sheet, pearl or powdery solid, water insoluble and be soluble in chloroform, ethanol, organic solvent such as acetone or ether. monoglyceride is at food such as bread, cake, steamed bun, biscuit, candy, margarine, ice cream, dairy products, meat products, can play emulsification in bean product and beverage or the like, disperse, froth breaking, increment, anticorrosion freezing and preservation, help improving food tissue and mouthfeel, thereby be that widely use countries in the world and the great food emulsifying agent of consumption. it is the safety product of food and drug administration (FDA) and FAO (Food and Agriculture Organization of the United Nation) and the World Health Organization (FAO/WHO) identification. in addition, monoglyceride is used as excipient and the neutral ointment of preparation or the like at pharmaceutical products; Aspect cosmetics, be mainly used in cream frost, end powder, face powder and kermes or the like; In textile industry, as textile softener (softening agent). in view of this, the large usage quantity of monoglyceride, purposes is wider, perfect along with the development of China's molecular distillation technique and equipment, the year output of China also constantly increases.

The molecular distillating machine that enabling the utility model provides steams when getting monoglyceride, to introduce from feed pipe 51 through the liquid material that is rich in monoglyceride that the production technology in preceding road is obtained, feed and to the material chamber 3172 of enclosing liquid weir 317 by the discharging opening 511 of feed pipe 51, because the blade applicator 3 of this moment is in running order, promptly the motor 321 by rotating cage driving mechanism 32 drives main shaft 323 rotations by reductor 322, since main shaft 323 be with receiver 311 on terminal pad seat 3111 connect firmly, therefore drive terminal pad seat 3111 by main shaft 323, make rotating cage 31 rotations of blade applicator 3, in rotary course and since action of centrifugal force will expect material in the chamber 3172 from cloth hole 3171 with uniform state throw to the evaporating surface of evaporimeter 2 be on the inwall 21.Meanwhile, by the material drawout on the 316 pairs of inwalls 21 of knifing roller that are under the rotation status or claim applied, at this moment, under the evaporation of evaporimeter 2, the steam molecule or the title monoglyceride molecule of overflowing in material arrive condenser 4, by condenser 4 condensations, the liquid material that is in condenser 4 tops and middle part after being condensed takes the lead in being collected and drawing collection by recovery tube 452 every dish 45 by the middle part, promptly then being dropped down and reclaimed hopper 46 by trickle gradually extremely the liquid material of not collected by middle space disc 45 of top of condenser 4 bottoms drawn collection by condensate liquid recovery tube 461.Steam except that other component the liquid material then from inwall 21 tricklings to liquid return trough 12, draw collection by returning liquid adapter 121, thereby finished whole liquid-liquid separation process.

In said process, enclose liquid weir 37 and can play material is thrown and inwall 21 equably; Knifing roller 316 is scraped the thickness of the material on the inwall 21 uniform state of smearing to ultimate attainment.Thereby can improve the evaporation efficiency of 2 pairs of materials of evaporimeter, not only can improve the output in the unit interval, and very help energy savings, for example both save heat medium, save cooling medium again condenser 4 condensations to evaporimeter 2 evaporations.In addition, because the splash guard 3181 of Despumation device 318 and the synergy of anti-foam baffle plate 3182 can stop effectively that drop spatters to condenser 4, thereby can play a part positive to the purity of product; Middle space disc 45 can play the effect of promoting condensation effect.

Particularly: since in the short transverse segmentation of the cooling medium inlet tube 43 of condenser 4 and cooling medium fairlead 44 is provided with space disc 45, can avoid the liquid film thickening and avoid increasing heat transmission resistance, improve the effect and the efficient of condenser 4.

Claims (10)

1. molecular distillating machine, comprise pedestal (1), be located at evaporimeter (2) and condenser (4) on the pedestal (1), be placed in the lid with feed pipe (51) (5) on evaporimeter (2) top and be linked in and order about the blade applicator (3) that the rotating cage driving mechanism (32) of rotating cage (31) motion constitutes by rotating cage (31) with rotating cage (31) transmission being used to of connecting on the described lid (5), wherein, rotating cage (31) is positioned at the cavity between described evaporimeter (2) and the condenser (4), described condenser (4) comprises base circle (41), bottom nozzle circle (42), one group of cooling medium inlet tube (43) and one group of cooling medium fairlead (44), last base circle (41) be hollow and constitute sap cavity (411) once, one group of cooling medium inlet tube (43) and one group of cooling medium fairlead (44) all are circumferential arrangement, the upper end of each cooling medium inlet tube (43) and cooling medium fairlead (44) is fixed with last base circle (41) and is all communicated with described time sap cavity (411), lower end and bottom nozzle circle (42) are fixing, wherein, bottom nozzle circle (42) is a hollow, and be separated out admission chamber (422) and go out sap cavity (423) by intermediate section dividing plate (421), the cooling medium that continued on admission chamber (422) is introduced interface (4221), and draw interface (4231) going out the cooling medium that continued on the sap cavity (423), described cooling medium inlet tube (43) communicates with admission chamber (422), and described cooling medium fairlead (44) with go out sap cavity (423) and communicate, it is characterized in that: on the short transverse of described cooling medium inlet tube (43) and cooling medium fairlead (44), be provided with space disc at least one (45), offer recovery holes (451) on the middle space disc (45), continuing on the recovery holes (451) is useful on the recovery tube (452) that the liquid material in the middle space disc (45) is drawn, and described cooling medium inlet tube (43) and cooling medium fairlead (44) pass described middle space disc (45).

2. molecular distillating machine according to claim 1, it is characterized in that described rotating cage (31) comprises a receiver (311), one group of center fixed ring (312), one end rotating disk (313), one group of fixed bar (314), one group of knifing Roller Shaft (315), knifing roller (316) and enclose liquid weir (317), one group of fixed bar (314) is spaced apart from each other, upper end of each fixed bar (314) and receiver (311) are fixing, the middle part wears and is fixed on one group of center fixed ring (312), lower end and end rotating disk (313) are fixing, one group of knifing Roller Shaft (315) at interval and each other vertically concurrently with receiver (311), center fixed ring (312) and end rotating disk (313) are fixing, knifing roller (316) is nested with on each knifing Roller Shaft (315), enclose liquid weir (317) and be located on the receiver (311), enclosing the upward spaced apart cloth hole (3171) that is provided with, liquid weir (317).

3. molecular distillating machine according to claim 2 is characterized in that the described central region that liquid weir (317) is located at the upper surface of described receiver (311) of enclosing.

4. molecular distillating machine according to claim 2, it is characterized in that described cloth hole (3171) for circular hole, tri-angle-holed or＜the shape hole.

5. molecular distillating machine according to claim 2 is characterized in that described knifing roller (316) completely is enclosed within on each knifing Roller Shaft (315).

6. according to claim 2 or 5 described molecular distillating machines, what it is characterized in that described knifing roller (316) is shaped as the pipe body.

7. molecular distillating machine according to claim 2, it is characterized in that between described each adjacent knifing Roller Shaft (315) that is equipped with knifing roller (316), being provided with Despumation device (318), top of each Despumation device (318) and described receiver (311) are fixing, the middle part is fixing with described center fixed ring (312), and bottom and rotating disk of the described end (313) are fixing.

8. molecular distillating machine according to claim 7, it is characterized in that described Despumation device (318) respectively comprises a pair of splash guard (3181) and one group of foam removal baffle plate (3182), each splash guard (3181) is corresponding with the short transverse of described knifing roller (316) and be adjacent to knifing roller (316), and described one group of foam removal baffle plate (3182) is with state ground, interval and vertically parallel each other being positioned between the described a pair of splash guard (3181), wherein, the upper end of each splash guard (3181) and each foam removal baffle plate (3182) and described receiver (311) build-in, the middle part is fixing with described center fixed ring (312), lower end and rotating disk of the described end (313) build-in.

9. molecular distillating machine according to claim 8 is characterized in that the height of described one group of foam removal baffle plate (3182) is identical with the height of described a pair of anti-sputter baffle plate (3181).

10. according to Claim 8 or 9 described molecular distillating machines, the shape of cross section that it is characterized in that described foam removal baffle plate (3182) for＜shape or S shape.

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