The Chinese medicine extraction thickener
Affiliated technical field
The present invention relates to the equipment of a kind of extraction and concentrated traditional Chinese medicine.
China is before 98 years, and Chinese medicine extraction, concentrated employed equipment are independently also to carry out work respectively separately, and extraction equipment is extraction pot, and concentrator is a concentrator.General medical material is packed into and will be divided the solvent that adds for 2-3 time about 16 times behind the extraction pot, decocts 6M 6-7 hour
3Extraction pot is if calculate with the 600kg medical material, it extracts 10 tons of rare medicinal liquids nearly, need 25 tons of basins could solve storage, with delivery pump medicinal liquid is imported concentrator then and carry out being condensed in about 10 hours the about 120kg of cream, still need and want many supporting basin duct couplings, valve, delivery pump etc. in the centre, investment is big, the hold facility site area is big, again because of being static extraction in the extract drugs jar, grow with time, jar inner liquid medicine concentration difference is more and more approaching, can't keep the inside ladder degree to extract, so low, the consuming time length of the rate of carrying, number of repetition is many, energy resource consumption is big.
The Yunshan Mountain, 98 years Wenzhou pharmaceutical machine factory is according to groping and putting into practice for many years, one cover Chinese medicine extraction concentrator scheme has been proposed, and obtained china national practical new-type patent (ZL98223682.4), this scheme will be extracted, concentrator organically links up, form a blood circulation, not only can carry out extract at low temperature easily and can reduce extraction and the energy expenditure when concentrated, it is to have the medicinal liquid connection tube of by-pass valve control with the bottom of extraction pot with by heater with one, the bottom of the concentration systems that vaporizer is formed is communicated with, the position of extraction pot is than concentration systems height, rare medicinal liquid in the extraction pot flows to concentration systems through by-pass valve control control under action of gravity, be provided with the steam connection tube that band extracts valve between the top of extraction pot and the top of vaporizer, the top of extraction pot also is provided with reflux condenser, the inlet of reflux condenser is communicated with the extraction pot tedge, the outlet of this reflux condenser is connected with vacuum system, reflux condenser bottom lower crutched positon also has a return duct that leads to extraction pot, when with by-pass valve control, when the extraction valve cuts out, extraction pot works alone, when extraction pot extracts, vacuum system is passed through reflux condenser indirectly to the extraction pot evacuation, control the extraction temperature by control vacuum, water vapour and medicinal liquid can condensation is dirty be back in the extraction pot by return duct through reflux condenser, thereby realize independently extract at low temperature; When by-pass valve control was opened with the extraction valve, the extracting solution of extraction pot flowed to concentration systems by the medicinal liquid connection tube, concentrates the steam that produces and flows to extraction pot by steam connection tube, promptly carries out a systemic circulation.But this utility model is in leaching process, medicine material matter is immobilized, evaporation is the heating of layer interlayer cover outside extraction pot, non-uniform temperature in jar, and the middle part material does not have periphery to extract thoroughly, when concentrating, indirect steam rises and directly enters extraction pot, relies on the dirty water that coagulates of the vertical reflux condenser in extraction pot top to carry out heat exchange, has only fraction to coagulate in the water percolation medicine feed liquid, so in the extraction pot, the gradient of can't remaining valid; Extract to concentrate when to carry out systemic circulation be unidirectional concentrated receipts cream, extraction pot is long standby time; In addition, contain the very high aromatic oil composition of economic worth in most of Chinese crude drug, this composition is present in the material that is condensed into cream, and is not only unhelpful to drug effect when needs are spray dried to powder processing, also can influence spray drying; When the alcohol extraction medical material, ethanol after the extraction and medicine liquid mixture will be imported special equipment ethanol tower and reclaim.
Summary of the invention
In order to overcome the deficiency of existing Chinese medicine extraction, concentrator function aspects, the Yunshan Mountain, Wenzhou pharmaceutical machine factory improves design on the basis of Chinese medicine extraction concentrator equipment, invent a kind of reverse dual reflux and extracted thickener, this equipment makes extraction, concentrate, receive cream circulates simultaneously and carries out, also can carry out aromatic oil recovery, ethanol recovery, be applicable to that water is carried, multiple extracting mode such as alcohol extraction and extract at low temperature, the extraction of some thermal sensitivity medicines and biologics particularly is good at.
The technical solution adopted for the present invention to solve the technical problems is: the shaft that is provided with a band helical blade in extraction pot along jar central axis, this shaft top is connected with extraction pot top speed reducer output shaft, axle lower end cantilever and near the pot bottom position, helical blade begin from the axle lower end along axle body from down and setting; Be connected on the steam connection tube of aromatic oil control valve and indirect steam control valve at extraction pot top and vaporizer top, promptly be connected to another series connection indirect steam condenser between two valves near extraction pot top, coiled pipe cooler, the pipeline of oil water separator, above helical blade under the extraction pot end socket, also be provided with water aggregation shower with fixed attention, the indirect steam condenser inlet is connected on the above-mentioned steam connection tube, outlet links to each other with the coiled pipe cooler inlet that is positioned at its below, the oil water separator upper entrance that is connected to one of them outlet of three-way valve in the outlet of coiled pipe cooler and is positioned at its below joins, and another outlet is connected on fixed attention on the water aggregation shower; To concentrating, promptly described concentration systems, draining condenser and indirect steam condenser, coiled pipe cooler, oil water separator have two covers and antithesis to be arranged at the both sides of extraction pot by original unidirectional concentrated addition symmetric double; Above extraction pot, the reflux condenser of connecting again between being connected of reflux condenser outlet and vacuum system, this reflux condenser inlet exports with preceding reflux condenser and links to each other, and outlet is joined with vacuum system, and its bottom lower crutched positon coagulates the water return duct and inserts water aggregation shower with fixed attention.
The invention has the beneficial effects as follows: in extracting operation, because the center is provided with the shaft of helical blade in the extraction pot, drive the shaft rotation by reductor, helical blade up promotes the Chinese crude drug material on one side, play stirring action on one side, the static extraction in past is become dynamic decoction, temperature keeps equal perseverance substantially in jar, and the indirect steam condenser, coiled pipe cooler makes indirect steam be converted to the liquid heat solvent by gas and down sprays through coagulating water aggregation shower, become reverse exchange with the rising material, reach dynamic hot reflux effect, keep a jar interior spice gradient to extract simultaneously; In addition, the water that coagulates in the reflux condenser of extraction pot top also sprays in the extraction pot by coagulating water aggregation shower, and solvent is fully utilized, and the solvent use amount significantly reduces; In the alcohol extraction medical material, utilize the ethanol boiling point principle different with water boiling point, strict control temperature is about 78 ℃～79 ℃, allowing the ethanol boiling go straight up to steam pipe along the vaporizer top rises, enter indirect steam condenser, the coiled pipe cooler set up on this pipe and get final product recovered alcohol, and it is imported basin or drops in the extraction pot again; Aromatic oil in the medical material is mingled in the steam, enter the indirect steam condenser with the steam rising, enter the oil water separator that is positioned at its below by the coiled pipe cooler cooling after three-way valve is controlled then, utilize oil different, can carry out the extraction separation operation of aromatic oil easily with the proportion of water.
This equipment medicine is carried the rate height, the concentration time is short, energy consumption is low, occupied ground is few, investment is light.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation that reverse dual reflux extracts thickener embodiment.
Fig. 2 is indirect steam condenser 13 front views among Fig. 1.
Fig. 3 is Fig. 2 indirect steam condenser A-A cutaway view.
Fig. 4 is Fig. 2 indirect steam condenser B-B cutaway view.
Fig. 5 is Fig. 2 indirect steam condenser C-C cutaway view.
Fig. 6 is aromatic oil water separator 35 longitudinal sectional drawings among Fig. 1.
The specific embodiment
In Fig. 1, the Chinese medicine extraction thickener mainly comprises extraction pot 1 and the concentration systems of being made up of heater 3 vaporizers 42, between the bottom of the bottom of extraction pot 1 and concentration systems 2, be provided with the medicinal liquid connection tube 7 of belt controling valve 8, the position of extraction pot 1 is than concentration systems 2 height, medicinal liquid in the extraction pot 1 can be under action of gravity, control through by-pass valve control 8 flows to concentration systems 2, between the top of the top of extraction pot 1 and vaporizer 4, be provided with steam connection tube 9, be connected to the pipeline 16 and the control steam valve door 17 that lead to draining condenser 15 on the steam connection tube 9, the outlet of draining condenser 15 and vacuum system 14 are communicated with, and its condensed water feeds to reclaim and coagulates in the water pot 18; Be serially connected with reflux first condenser 5 and second condenser 19 that refluxes on the steam pipe 11 on extraction pot 1 top, the middle connecting leg 36 that passes through connects, and its outlet links to each other with vacuum system 14; Extraction pot 1 steam outlet pipe 9 is provided with aromatic oil control valve 20, vaporizer 4 steam outlet pipes 48 are provided with indirect steam control valve 10, be connected to indirect steam condenser 13 on the pipeline between aromatic oil control valve 20 and the indirect steam control valve 10, be that indirect steam condenser 13 inlets 22 are connected on the above-mentioned steam connection tube 9, condensed fluid in the stram condenser 13 then injects coiled pipe cooler 34 further condensations by outlet 23 through cross over pipe 33 and coagulates water aggregation shower 6 after three-way valve 21 1 outlets insert, and will coagulate water by water aggregation shower 6 with fixed attention and be sprayed on the material of extraction pot 1; Extraction pot 1 top motor drives shafts 44 through decelerator 43, and helical blade 45 rotations upwards promote spice in the extraction pot 1 and stir and become reverse exchange with solvent under water aggregation shower 6 spills with fixed attention it on; Coagulating water aggregation shower 6 accepts both sides two cover coiled pipe coolers 34 and extraction pot 1 top second condenser 19 that refluxes simultaneously and coagulates water through the mistake of coagulating water return duct 12 and flowing into; The upper entrance 46 of oil water separator 35 links to each other with another outlet of the outlet three-way valve 21 of coiled pipe cooler 34; When reclaiming the operation of aromatic oil, at first close indirect steam control valve 10, open aromatic oil control valve 20, make the interior aromatic oil of extraction pot along with steam rises, through steam connection tube 9 enter indirect steam condenser 13, through coiled pipe cooler 34,46 flow in the oil water separators 35 through entering the mouth, aromatic oil is by rising on the crack, oil baffle 40 limit, utilize profit proportion difference, the aromatic oil of light proportion flows out from the fragrant oil pipe 38 of elevated recovery and reclaims, and drain pipe 37 and the control water valve 39 of moisture content through inserting in bottom drawn; In alcohol extraction medical material process, during the recovered alcohol operation, the heating-up temperature of control vaporizer 4 is to 78 ℃ of ethanol boiling points, open indirect steam control valve 10, ethanol through steam connection tube 9 enter indirect steam condenser 13, through coiled pipe cooler 34 condensations, by three-way valve 21 control ethanol is flowed directly into basin.
Fig. 2, Fig. 3, Fig. 4, Fig. 5 is the sketch map of indirect steam condenser 13 among the embodiment, this indirect steam condenser 13 is a horizontal type structure, mainly by condensation tube 23-1, cooling tube 24, condensation chamber 24-1, drive end bearing bracket 25, rear end cap 26 is formed, drive end bearing bracket 25 is divided into backflow UNICOM chamber 30, chamber, cooling water inlet 29 and coolant outlet chamber 32, rear end cap 26 is divided into first line of a couplet cavity 28 and second line of a couplet cavity 27, the UNICOM chamber 30 of wherein refluxing accounts for half of drive end bearing bracket 25, chamber, cooling water inlet 29 and coolant outlet chamber 32 respectively account for 1/4th of drive end bearing bracket 25, first line of a couplet cavity 28 and second line of a couplet cavity 27 respectively account for half of rear end cap 26, chamber, cooling water inlet 29 is connected through cooling tube 24 and first line of a couplet cavity 28, first line of a couplet cavity 28 is connected through cooling tube 24 and backflow UNICOM chamber 30, and backflow UNICOM chamber 30 is connected through cooling tube 24 and second line of a couplet cavity 27 again; The inlet 22 of indirect steam condenser 13 and outlet 23 lay respectively at the upper and lower both sides of condensation tube 23-1, and are communicated with in condensation chamber 24-1.
Fig. 6 is the sketch map of aromatic oil water separator 35 among the embodiment, this oil water separator 35 is cylindrical necking down container, inlet joins with the skirt 46 that inserts from neck loam cake center, be provided with an oil baffle 40 near container bottom and container be divided into two layers that are interconnected, the end of skirt 46 is near this oil baffle 40, drain pipe 37 inserts bottoms and draws and control water valve 39 and be connected from cervical region, reclaims fragrant oil pipe 38 and directly draws from the container neck opposite side.