CN2899785Y - Double screw continuous reverse flow supersonic extractor - Google Patents

Abstract

The utility model discloses a dual screw continuous countercurrent superaudiable soak distill device. The utility model is composed of a main device soak bin 1, superaudiable energy exchanging devices 22, a superaudiable power 23, a feed device 2, a residue discharge device 4, a filter 4, a condenser 5, a juice crushing device 6, and a dynamic drive device 7. The inclined arranged soak bin is provided with two reversal screw axes side by side inside; the soak bin outside wall is arranged with a plenty of superaudiable energy exchanging devices on the lower part forming an angle of 0-90 degrees with the level direction; the cavitating and wall-breaking effect of the superaudiable as well as the machine shaking effect can stably realize the continuous countercurrent soak process, maximally keep the energy difference of the dissolvable content between the inside and outside of the raw material, increase the total soak speed and efficiency, reduce the menstruum dosage, and decrease the liquid-out coefficient. The screw axis is composed of several sections with two connection points of two are alternate to connected with a bearing or an up frame of the soak bin to form a hanging brace. The soak bin has a large effective bulk and good effect of countercurrent distilling; and the superuadiable power and the frequency can be combined in many forms, which in particular breaks the length limitation sue to the gravity deflexion factor of the screw axis.

Description

The double-spiral, continuous counter-flow ultrasonic extraction device

Technical field

This utility model relates to a kind of natural plants and other material effective component ultrasound wave leaches extraction equipment.Particularly a kind of continuous flow upstream supersound extraction equipment that uses of producing that extracts on a large scale.

Technical background

In order to change the backwardness of Chinese medicine extraction Technical facilities in production, solve problems such as traditional extraction pot extracts production Chinese crude drug and menstruum consumption and energy consumption is big, the technology leaching rate is low, the effective ingredient differences between batches are big, emerge many Continuous Countercurrent Extraction equipment designs in recent years, as: ultrasonic circulating is extracted equipment, slot type Continuous Countercurrent Extraction machine, drag chain type continuous flow upstream ultrasonic extraction equipment, straight formula continuous flow upstream supersound extraction equipment, spiral continuous flow upstream ultrasound wave leaches extraction equipment or the like.From practical situations, screw propulsion Continuous Countercurrent Extraction equipment has remarkable advantages, and using ultrasound ripple extractive technique is extracted the natural plants active ingredient, and the extraction rate of obtaining in laboratory research is faster, the more high remarkable result of efficient, has been subjected to people's special concern.For example the ultrasonic circulating of the great auspicious grand biotech company in Beijing exploitation is extracted equipment: wait to carry in the ring-like extraction chamber that material and the composite flow state material of solvent once add equipment and make it to circulate, at ultrasonic transducer primitive of the eck place of loop configuration, that sends acts on mobile solid-liquid system.Its experiment tables of data is bright, and this method can improve several times to tens times of extraction efficiencies with comparing than common decocting method; Extract temperature and extraction time owing to can lower, thereby better kept the active component in the extract.Remarkable advantage in this equipment design is that the sound field design is more reasonable, to solid-liquid system even action, effective.But the production equipment as practical also exists a series of defectives and problem: 1, can not directly handle the prepared slices of Chinese crude drugs, and need the pre-treatment disintegrating apparatus that raw material to be extracted is ground into the granule of stricter granularity requirements in advance, thereby increase the production input; And for a large amount of Chinese medicine production kinds, this broken the requirement is difficult to reach.2, belong to batch operation equipment, still there is the problem that operational efficiency is not high, product batches is different.In addition, in this equipment project organization, charging, fluid, deslagging, and also there is reluctant problem in several respects such as equipment cleaning.Corresponding, spiral pusher continuous counter-flow extraction equipment has remarkable advantages just.

Aforesaid " spiral continuous flow upstream ultrasound wave leaches extraction equipment " and " drag chain type continuous flow upstream ultrasonic extraction equipment " all are that Continuous Countercurrent Extraction technology and ultrasonic wave extraction are combined, and design the Continuous Countercurrent Extraction equipment that has the intensified by ultrasonic wave effect.The main points of its design are " to be fastened on by several and to leach on the wall and ultrasonic transducer that the transducer primitive that is connected in parallel is mutually formed " in assembling on the outer wall of continuous flow upstream infuser, " in extracting solution, launch ultrasound wave; extract to make a concentrated effort to finish to leach, increase work efficiency." how to design the assembling ultrasonic transducer, in continuous flow upstream leaching system, obtain rational sound field effect, be the problem that an emphasis solves.

Simultaneously, these novel extraction equipment all have its deficiency and limitation.Adverse current is leached the requirement of stroke or strengthen the disposal ability of single device and increase work efficiency for satisfying different extraction processes, just require to leach the cabin long enough is arranged, helical axis is if adopt single axis, the degree that deflects downwards that is produced by gravity increases along with its length and remarkable the change greatly, causes flight and leaches the serious scraped finish of storehouse wall portion of office or both excesssive gaps of major part zone.For solving this difficult problem, existing a lot of the exploration attempted, but the result is still undesirable.As: " linker device formula Continuous Countercurrent Extraction jar group " (patent No.: 97247550.8) provided the design that a kind of more piece makes up, some joint screw-pushing types are leached the cabin to be tilted to place side by side, the low side of high-end and next joint of last joint is connected with one section transfer chamber of vertically placing, raw material leaches the cabin low side from first segment and adds, be pulled to high-end after transfer chamber falls into the low end entrance of next joint, push again that it is high-end to, discharge with slagging device until final section is high-end; And solvent penetrates the flow direction of material low side by the high-end adding of final section, and it is high-end that the reuse pump is squeezed into down prosthomere, until the first segment low side, discharges leachate.But this design needs many auxiliary equipments and mechanism to be difficult to be equipped with when making realization, and the extraction process condition is difficult to control when especially moving, thereby never practical application for many years." straight formula continuous flow upstream leach extraction element " (patent No.: 2004-20018620.X) and for example, adopt a joint to leach cabin and axis spiral scheme, utilize the overstriking diameter of axle and other reinforcing means, prolong as possible and leach cabin length, though device product at home and abroad enterprise has some successful Application, dwindle but cost is higher, leach the cabin dischargeable capacity, especially length is difficult to reach more than 10 meters.Thereby root problem does not solve all the time.Country advocates the Chinese medicine industry and utilizes the advanced technology equipment in recent years, the concentrated extraction, and energy-saving and cost-reducing, Folium Camelliae sinensis deep processing industry is also sharply risen both at home and abroad, efficient, energy-conservation, the suitable extensive innovative Continuous Countercurrent Extraction equipment of land used that makes of producing that extracts of urgent needs.

Summary of the invention

This utility model purpose is to disclose a kind of intensified by ultrasonic wave double-spiral, continuous counter-flow and leaches device, make full use of secondary effects such as hyperacoustic cavitation breaking cellular wall effect and mechanical shock, stably realize the continuous flow upstream leaching process, keep raw material inner poor to greatest extent, improve total leaching rate and treatment effeciency with outside solvable constituent concentration; Reduce the solvent consumption, lower the fluid coefficient.Successive working operating mode has been eliminated unavoidable product batches differences disadvantage in the intermittent mode production, and has been improved utilization rate of equipment and installations.Can improve extraction ratio 10-30% in Chinese medicine, tea-drinking product extraction production application, the fluid coefficient reduces 40-60%, has remarkable energy saving effect.High efficiency, dischargeable capacity is big, and the countercurrent extraction effect is splendid; Ultrasonic transducer can leach the multiple combination of bilge portion in the U type, is applicable to that nearly all active ingredient of natural plant such as Chinese medicine, Folium Camelliae sinensis extracts the technological requirement of producing.Helical axis hanging brace syndeton can more piece make up, and makes the device product typing flexibly, and apparatus processing, transportation, easy for installation have particularly broken through the length restriction that helical axis brings because of gravity amount of deflection factor.

This utility model leaches cabin 1 by main equipment, ultrasonic transducer 22, and ultrasonic power 23, and feeder 2, slag-discharging device 3, filter 4, condenser 5, juicer 6 and power drive mechanism 7 constitute.The U type leaches two or four removable transducers of bilge uniform distribution, leach be provided with in the cabin two side by side, be parallel to the helical axis 8 that leaches the cabin extending direction and flight 10 on 9, two helical axis of helical axis and flight 11 around opposite to each other; Two spirals rotate relatively, upwards push material, with the solvent formation adverse current percolation leaching system of downward seepage flow.Helical axis is made up of more piece, staggers mutually in the junction point position of two helical axis, and per two sections helical axis are connected by inclined-plane shaft coupling 12; On the axle suitable position with leach the cabin upper wall and link to each other by adjustable locating rod 13 and form hanging brace, bottom and top are fixed with screw, the axle sleeve 14 at center can on the thronely change.

The cross section that this utility model leaches cabin 1 is oval hollow u shape, and every joint bilge face extending direction has two rows or the dismountable transducer 22 of the many groups of four rows, and transducer 22 primitives are that tack is leant on shape.

It is wide 50 millimeters to 200 millimeters elongate in shape that this utility model leaches every group of transducer primitive of bilge face, and every group of transducer 22 is tightly connected with connector with the ceiling hatch place, and can pull down and change.

Every group of transducer of this utility model 22 can be made up of the transducer primitive of two to three kinds of different capacities and frequency, one-tenth multi-frequency capable of being combined and many power ultrasonics device, and every kind of transducer primitive can work independently.

Description of drawings

Fig. 1 is this utility model example structure figure;

Fig. 2 leaches the cabin generalized section for this utility model embodiment;

Fig. 3 is this utility model embodiment ultrasonic transducer mounting structure figure;

Fig. 4 is this utility model embodiment feeder structure chart;

Fig. 5 is this utility model embodiment slag-discharging device structure chart.

The specific embodiment:

Embodiment

This utility model is by ultrasonic transducer 22, ultrasonic power 23, feeder 1, leaching cabin 2, slag-discharging device 3, filter 4, condenser 5, juicer 6, and power drive mechanism forms 7.Its prominent features is that design has two reverse acting spiral axles 8 and 9 arranged side by side in the placement leaching cabin, subsidiary aperture continuous helical sheet 10 or the interrupted blade 11 of being covered with; Helical axis is made up of more piece, and two helical axis junction points interlace, and connection bearing 12 is linked to each other by the localized connecting rod 13 of scalable with leaching cabin upper wall framework and forms hanging brace.Described feeder 2 is made of storage bin hopper 15, feed cylinder 16, feeding screw 17 leaching cabin 1 low side; The speed of feeding is by the rotating speed control of feeding screw.Slag-discharging device 3 is connected and leaches the high-end of cabin, is made of drive sprocket, driven sprocket, chain, scraper plate and slag-discharging device housing; Juicer 6 is connected with the slag-discharging device outlet, in the juicer housing extrusion spiral is arranged; Slag-discharging device and juicer are driven separately by two cover motors.Described solvent adds inlet 20 and is leaching the high-end of cabin, and the outlet 19 of extracting solution is at the lowermost end that leaches the cabin; Having solid in the end in leaching cabin---liquid separates spiral 18.Most significant end at device connects condenser 5, after the condensation of boil-off gas gas by in refluxing opening 21 return mechanisms.Leach cabin 1 and form by 2 to 10 joints, 1 to 3 meter at every joint, the centre-to-centre spacing of diaxon is not waited to 680MM by 180MM.

With a medium size installations is the embodiment of example explanation double-spiral, continuous counter-flow ultrasonic extraction device: continuous flow upstream leaches the cabin and tilts to place with the 8 degree elevations angle, the ultrasound wave general power is 12KW, ultrasonic frequency is 20KHz, leach two helical axis centre-to-centre spacing 280 in the cabin, helical blade external diameter ф 300, main shaft internal diameter ф 108, pitch 200, length overall 8500.

Operation principle and beneficial effect

The operation principle of the ultrasonic infuser of this double-spiral, continuous counter-flow is as follows: raw medicinal material is by leaching Infuser slowly and is steadily pushed in the charging aperture adding of device low side, the continuous helical sheet that is rotated to High-end; Open ultrasonic power, transducer is started working, and the high-end solvent of solvent infuser enters Mouthful add, take gravity as motive power, the infiltration raw material also passes mesh on the flight, equably Flow to the infuser low side. In solution and the reverse traveling process of raw material, ultrasonic wave is in solution The moment immense pressure that cavitation produces can be destroyed the cell membrane of raw material, accelerates soaking of its inside Go out process, the mechanical shock effect that produces can be accelerated the diffusion velocity of solute in solution. Former The inner soluble substance of material is delivered to particle surface, further is diffused in the immersion liquid on every side again. By In adopting double-screw shaft, the material operation is very steady, and overlapping flight has played stirring action, Make the exchange of material and solvent fully. On each cross section, solvent concentration increases gradually, oozes immediately Flow to next aspect, the immersion liquid seepage flow of last layer face is come simultaneously; New raw material can in advancing Melt into part is constantly leached, and inner concentration reduces gradually, until become residue by the infuser end End is discharged.

The utility model is stably realized the ultrasonic leaching process of continuous flow upstream, keeps to greatest extent Raw material is inner poor with outside solvable constituent concentration, guaranteed effective ingredient from solid material not Transmit fast to solvent discontinuously. Thereby improve total leaching rate, improve treatment effeciency; Subtract Few solvent consumption lowers the fluid coefficient. Continuous working operating mode has been eliminated intermittent mode Difference disadvantage between unavoidable product batches in the production, and improved utilization rate of equipment and installations. Adopt ultrasonic Double helix is carried, can be with infuser contraction in length 40%-60%, and keep same work effect Really.

Claims (4)

1, a kind of double-spiral, continuous counter-flow ultrasonic extraction device, leach cabin (1) by main equipment, ultrasonic transducer (22), ultrasonic power (23), and feeder (2), slag-discharging device (3), filter (4), condenser (5), juicer (6) and power drive mechanism (7) constitute, it is characterized in that: the U type leaches two or four removable transducers of bilge uniform distribution, leach and be provided with two in the cabin side by side, be parallel to the helical axis (8) and the helical axis (9) that leach the cabin extending direction, flight (10) on two helical axis and flight (11) around opposite to each other; Two spirals rotate relatively, upwards push material, and with the solvent formation adverse current percolation leaching system of downward seepage flow, helical axis is made up of more piece, stagger mutually in the junction point position of two helical axis, and per two sections helical axis are connected by inclined-plane shaft coupling (12); On the axle suitable position with leach the cabin upper wall and link to each other by adjustable locating rod (13) and form hanging brace, bottom and top are fixed with screw, the axle sleeve at center (14) can on the thronely change.

2, require described double-spiral, continuous counter-flow ultrasonic extraction device according to right 1, it is characterized in that: the cross section of leaching cabin (1) is oval hollow u shape, every joint bilge face extending direction has two rows or the many groups of four rows dismountable transducer (22), and transducer (22) primitive is that tack is leant on shape.

3, require described double-spiral, continuous counter-flow ultrasonic extraction device according to right 1, it is characterized in that: leaching every group of transducer primitive of bilge face is wide 50 millimeters to 200 millimeters elongate in shape, every group of transducer (22) is tightly connected with connector with the ceiling hatch place, and can pull down and change.

4, require described double-spiral, continuous counter-flow ultrasonic extraction device according to right 1, it is characterized in that: every group of transducer (22) can be made up of the transducer primitive of two to three kinds of different capacities and frequency, one-tenth multi-frequency capable of being combined and many power ultrasonics device, every kind of transducer primitive can work independently.