CN103869840B - A kind of extraction of traditional Chinese medicine volatile oil detection by quantitative and control method - Google Patents
A kind of extraction of traditional Chinese medicine volatile oil detection by quantitative and control method Download PDFInfo
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- CN103869840B CN103869840B CN201410115861.4A CN201410115861A CN103869840B CN 103869840 B CN103869840 B CN 103869840B CN 201410115861 A CN201410115861 A CN 201410115861A CN 103869840 B CN103869840 B CN 103869840B
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- 238000000605 extraction Methods 0.000 title claims abstract description 60
- 239000003814 drug Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 239000000341 volatile oil Substances 0.000 title claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 170
- 239000003921 oil Substances 0.000 claims abstract description 116
- 235000019198 oils Nutrition 0.000 claims abstract description 116
- 235000019476 oil-water mixture Nutrition 0.000 claims abstract description 31
- 238000012544 monitoring process Methods 0.000 claims abstract description 26
- 239000000523 sample Substances 0.000 claims abstract description 21
- 238000010992 reflux Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000000284 extract Substances 0.000 claims description 9
- 238000009833 condensation Methods 0.000 claims description 8
- 230000005494 condensation Effects 0.000 claims description 8
- 238000004821 distillation Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 4
- 239000010734 process oil Substances 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000015927 pasta Nutrition 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Abstract
The invention discloses a kind of extraction of traditional Chinese medicine volatile oil detection by quantitative and control method, profit Liquid level test probe, high point direct capacitance liquid-level switch and low spot direct capacitance liquid-level switch are set in being included in oil collector；Open collection tube liquid valve, the air in emptying oil catcher and reflux line；The liquid level signal of the oil-water mixture in oil collector is fed back to outside monitoring computer or central processing unit by profit Liquid level test probe, high point direct capacitance liquid-level switch and low spot direct capacitance liquid-level switch, outside monitoring computer or central processing unit send instruction and adjust the opening and closing of related valves, regulate the liquid level of oil-water mixture in oil collector.By the way, this extraction of traditional Chinese medicine volatile oil detection by quantitative of the present invention and control method can accurately be monitored the liquid level of oil collector Chinese medicine oil-water mixture and make the liquid level of this oil-water mixture remain in a stable range intervals, it is capable of stably receiving smoothly oil, receives oil efficiency high.
Description
Technical field
The present invention relates to a kind of Chinese medicine manufacturing process is carried out receipts oil method when vapor distillation extracts medicinal liquid, extraction of traditional Chinese medicine volatile oil detection by quantitative when especially relating to receive oil and control method.
Background technology
During the extraction of traditional Chinese medicine liquid, the medicine having a large amount in variety needs to carry out medicine distillation, collects extract distillate.Common extract drugs method is after feeding intake in the extraction pot for distillation, by manually open the straight-through steam connected with extraction pot enter valve make steam enter extraction pot, by steam heating extraction thing, the volatile component of steam raising extract, and by the condenser of extraction equipment, ingredient is condensed into oil catcher, water and the cold oil of condensation is separated by oil catcher, this needs oil catcher to have accurate machining accuracy and need operator to have skilled automatic steam control ability, so that condensed fluid returns tank amount and evaporation capacity reaches the state that necessarily balances.But system is affected by vapour system complexity, manual operation proficiency and oil catcher machining accuracy, it is extremely difficult to the most stable state receiving oil.Meanwhile, oil recovery system lacks capacity of resisting disturbance, it is easy to causes the fluid of collection by steam blowback disturbance, becomes irretrievable aromatic liquid.
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of extraction of traditional Chinese medicine volatile oil detection by quantitative and control method, can accurately monitor the liquid level of oil collector Chinese medicine oil-water mixture by the method and make the liquid level of this oil-water mixture remain in a stable range intervals, it is capable of stably receiving smoothly oil, receives oil efficiency high.
For solving above-mentioned technical problem, the technical solution used in the present invention is: provide a kind of extraction of traditional Chinese medicine volatile oil detection by quantitative and control method, and it comprises the following steps:
(1) arranging profit Liquid level test probe, high point direct capacitance liquid-level switch and low spot direct capacitance liquid-level switch in the oil collector of medicinal liquid extraction system, described profit Liquid level test probe, high point direct capacitance liquid-level switch and low spot direct capacitance liquid-level switch are electrically connected with outside monitoring computer or central processing unit；
(2) when medicinal liquid extracts and starts, open the collection tube liquid valve between the oil catcher in medicinal liquid extraction system and extraction pot, make the water in oil catcher flow back into extraction pot, the air in emptying oil catcher and reflux line；
(3) collection tube liquid valve is closed, open the oil collector atmospheric valve in medicinal liquid extraction system and U-tube atmospheric valve, medicinal liquid in extraction pot enters condenser through vapor distillation, the most condensed device condensation forms medicinal liquid oil and the water of liquid, and medicinal liquid oil and the water of liquid enter oil catcher by condensation water inlet pipe；
(4) the medicinal liquid oil of liquid enters oil catcher the most uniformly and stably and diffuses in further and be positioned at the described oil collector connected above described oil catcher and with described oil catcher with water, and now profit Liquid level test probe feedback normal signal monitors computer or central processing unit to outside；
null(5) when in extraction pot, straight-through type pressure is excessive，Have further amounts of medicinal liquid to be distilled into condenser，Also the medicinal liquid oil and the water that have further amounts of liquid enter oil catcher，Profit liquid level rapid increase in oil catcher，Break the original normal profit liquid level rate of climb，Now profit Liquid level test probe feedback adjustment signal gives outside monitoring computer or central processing unit，Outside monitoring computer or central processing unit give an order to the aperture controlling facility regulation steam heating valve in medicinal liquid extraction system、Close straight-through steam and enter valve、Close collection tube liquid valve，In tank to be extracted, straight-through type pressure recovers normal、When the profit liquid level rate of climb is also recovered normal，Profit Liquid level test probe feedback adjustment signal again gives outside monitoring computer or central processing unit，Outside monitoring computer or central processing unit give an order and open straight-through steam to the control facility in medicinal liquid extraction system and enter valve、Open collection tube liquid valve；
(6), when can not enter in described oil collector when the oil-water mixture in described oil catcher is less, enter extraction pot reflux inlet and remain turned-off；When the oil-water mixture in oil catcher constantly accumulate increase and enter in oil collector, the liquid level of oil-water mixture cover described high point direct capacitance liquid-level switch and low spot direct capacitance liquid-level switch time, described high point direct capacitance liquid-level switch and low spot direct capacitance liquid-level switch feedback adjustment signal give an order to outside monitoring computer or central processing unit, outside monitoring computer or central processing unit and open collection tube liquid valve and carry out receiving oil；Can decline with the liquid level of the oil-water mixture received in oil process oil collector, when the liquid level of the oil-water mixture in oil collector drops to below low spot direct capacitance liquid-level switch, outside monitoring computer or central processing unit give an order and close collection tube liquid valve, open and receive oil process into the stopping of extraction pot reflux inlet is current.
In a preferred embodiment of the present invention, described step (2) herb liquid extracts when starting, and opens the collection tube liquid valve 3 between the oil catcher in medicinal liquid extraction system and extraction pot～8 seconds.
In a preferred embodiment of the present invention, the collection tube oil-out position of described collection tube exceeds profit Liquid level test probe position 8～12mm.
In a preferred embodiment of the present invention, in described step (6), the opening time of collection tube liquid valve is 8～12 seconds.
The invention has the beneficial effects as follows: this extraction of traditional Chinese medicine volatile oil detection by quantitative and control method can accurately be monitored the liquid level of oil collector Chinese medicine oil-water mixture and make the liquid level of this oil-water mixture remain in a stable range intervals, it is capable of stably receiving smoothly oil, receives oil efficiency high.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in describing embodiment below, the required accompanying drawing used is briefly described, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of the device that extraction of traditional Chinese medicine volatile oil detection by quantitative of the present invention is used with control method；
Fig. 2 is the partial enlarged drawing in Fig. 1.
In figure, the labelling of each parts is as follows: 1, condensation water inlet pipe, and 2, oil collector atmospheric valve, 3, oil collector, 4, profit Liquid level test probe, 5, oil catcher, 6, collection tube oil-out, 7, collection tube liquid valve, 8, U-tube atmospheric valve, 9, U-tube, 10, enter extraction pot reflux inlet, 11, steam heating valve, 12, straight-through steam enter valve, 13, extraction pot, 14, high point direct capacitance liquid-level switch, 15, low spot direct capacitance liquid-level switch, 16, collection tube.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
The extraction of traditional Chinese medicine volatile oil detection by quantitative of the present invention comprises the following steps with control method:
(1) as depicted in figs. 1 and 2, profit Liquid level test probe 4, high point direct capacitance liquid-level switch 14 and low spot direct capacitance liquid-level switch 15 are set in the oil collector 3 of medicinal liquid extraction system, described profit Liquid level test probe 4, high point direct capacitance liquid-level switch 14 and low spot direct capacitance liquid-level switch 15 are electrically connected with outside monitoring computer or central processing unit (not shown), and described central processing unit can be PLC single-chip microcomputer；
(2), when medicinal liquid extracts and starts, open the collection tube liquid valve 73 between the oil catcher 5 in medicinal liquid extraction system and extraction pot 13～8 seconds, preferably 5 seconds, make the water in oil catcher 5 flow back into extraction pot 13, the air in emptying oil catcher 5 and reflux line；Have in so can avoiding oil catcher 5 and intrinsic pressure cause medicinal liquid oil-water mixture can not drop into down oil catcher 5, the liquid level that can also make the oil-water mixture in oil collector 3 and the liquid level holding level in the U-tube 9 being connected, the oil in oil-water mixture can be made to float in oil collector 3, and condensed water then flows back in extraction pot 13 below pasta and by U-tube 9；
(3) collection tube liquid valve 7 is closed, open the oil collector atmospheric valve 2 in medicinal liquid extraction system and U-tube atmospheric valve 8, medicinal liquid in extraction pot 13 enters condenser through vapor distillation, the most condensed device condensation forms medicinal liquid oil and the water of liquid, and medicinal liquid oil and the water of liquid enter oil catcher 5 by condensation water inlet pipe 1；
(4) the medicinal liquid oil of liquid enters oil catcher 5 the most uniformly and stably and diffuses in further and be positioned at the described oil collector 3 connected above described oil catcher 5 and with described oil catcher 5 with water, and now profit Liquid level test probe 4 feeds back normal signal and monitors computer or central processing unit to outside；
(5) when in extraction pot 13, straight-through type pressure is excessive, have further amounts of medicinal liquid and be distilled into condenser, also the medicinal liquid oil and the water that have further amounts of liquid enter oil catcher 5, profit liquid level rapid increase in oil catcher 5, break the original normal profit liquid level rate of climb, now profit Liquid level test probe 4 feedback adjustment signal gives outside monitoring computer or central processing unit, outside monitoring computer or central processing unit give an order and regulate the aperture of steam heating valve 11 to the relevant control facility in medicinal liquid extraction system, close straight-through steam and enter valve 12, close collection tube liquid valve 7, so profit liquid level in oil catcher 5 begins to decline.In tank 13 to be extracted, straight-through type pressure recovers normal, the profit liquid level rate of climb when also recovering normal, profit Liquid level test probe 4 feedback adjustment signal again gives outside monitoring computer or central processing unit, outside monitoring computer or central processing unit give an order and open straight-through steam to the relevant control facility in medicinal liquid extraction system and enter valve 12, open collection tube liquid valve 7, and the profit liquid level in oil catcher 5 begins to ramp up again；
(6), when can not enter in described oil collector 3 when the oil-water mixture in described oil catcher 5 is less, entering extraction pot reflux inlet 10 remains turned-off, and makes the oil-water mixture in oil catcher 5 constantly accumulate increase；When the oil-water mixture in oil catcher 5 constantly accumulate increase and enter in oil collector 3, the liquid level of oil-water mixture cover described high point direct capacitance liquid-level switch 14 and low spot direct capacitance liquid-level switch 15 time, described high point direct capacitance liquid-level switch 14 and low spot direct capacitance liquid-level switch 15 feedback adjustment signal give an order to outside monitoring computer or central processing unit, outside monitoring computer or central processing unit and open collection tube liquid valve 7 and carry out receiving oil；Can decline with the liquid level of the oil-water mixture received in oil process oil collector 3, when the liquid level of the oil-water mixture in oil collector 3 drops to low spot direct capacitance liquid-level switch less than 15, outside monitoring computer or central processing unit give an order and close collection tube liquid valve 7, open into extraction pot reflux inlet 10, stopping current receipts oil process, the liquid level of the oil-water mixture in oil collector 3 can rise again.So, the liquid level of the oil-water mixture in oil collector 3 can remain at a stable range intervals, and oil collector is circulated receipts oil, receives oil stable.Overcome manually-operated inaccuracy and inefficient problem.
Preferably, collection tube oil-out 6 position of described collection tube 16 exceeds profit Liquid level test probe 4 position 8～12mm.
Further, according to different medicinal liquids and receipts speed oil, in described step (6), the opening time of collection tube liquid valve 7 is 8～12 seconds, can need be adjusted according to difference.
It is different from prior art, this extraction of traditional Chinese medicine volatile oil detection by quantitative of the present invention and control method can accurately be monitored the liquid level of oil collector Chinese medicine oil-water mixture and make the liquid level of this oil-water mixture remain in a stable range intervals, it is capable of stably receiving smoothly oil, receives oil efficiency high.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention and accompanying drawing content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (3)
1. an extraction of traditional Chinese medicine volatile oil detection by quantitative and control method, it is characterised in that comprise the following steps:
(1) arranging profit Liquid level test probe, high point direct capacitance liquid-level switch and low spot direct capacitance liquid-level switch in the oil collector of medicinal liquid extraction system, described profit Liquid level test probe, high point direct capacitance liquid-level switch and low spot direct capacitance liquid-level switch are electrically connected with outside monitoring computer or central processing unit；
(2) when medicinal liquid extracts and starts, open the collection tube liquid valve between the oil catcher in medicinal liquid extraction system and extraction pot, make the water in oil catcher flow back into extraction pot, the air in emptying oil catcher and reflux line；
(3) collection tube liquid valve is closed, open the oil collector atmospheric valve in medicinal liquid extraction system and U-tube atmospheric valve, medicinal liquid in extraction pot enters condenser through vapor distillation, the most condensed device condensation forms medicinal liquid oil and the water of liquid, and medicinal liquid oil and the water of liquid enter oil catcher by condensation water inlet pipe；
(4) the medicinal liquid oil of liquid enters oil catcher the most uniformly and stably and diffuses in further and be positioned at the described oil collector connected above described oil catcher and with described oil catcher with water, and now profit Liquid level test probe feedback normal signal monitors computer or central processing unit to outside；
null(5) when in extraction pot, straight-through type pressure is excessive，Have further amounts of medicinal liquid to be distilled into condenser，Also the medicinal liquid oil and the water that have further amounts of liquid enter oil catcher，Profit liquid level rapid increase in oil catcher，Break the original normal profit liquid level rate of climb，Now profit Liquid level test probe feedback adjustment signal gives outside monitoring computer or central processing unit，Outside monitoring computer or central processing unit give an order to the aperture controlling facility regulation steam heating valve in medicinal liquid extraction system、Close straight-through steam and enter valve、Close collection tube liquid valve，In tank to be extracted, straight-through type pressure recovers normal、When the profit liquid level rate of climb is also recovered normal，Profit Liquid level test probe feedback adjustment signal again gives outside monitoring computer or central processing unit，Outside monitoring computer or central processing unit give an order and open straight-through steam to the control facility in medicinal liquid extraction system and enter valve、Open collection tube liquid valve；
(6), when can not enter in described oil collector when the oil-water mixture in described oil catcher is less, enter extraction pot reflux inlet and remain turned-off；When the oil-water mixture in oil catcher constantly accumulate increase and enter in oil collector, the liquid level of oil-water mixture cover described high point direct capacitance liquid-level switch and low spot direct capacitance liquid-level switch time, described high point direct capacitance liquid-level switch and low spot direct capacitance liquid-level switch feedback adjustment signal give an order to outside monitoring computer or central processing unit, outside monitoring computer or central processing unit and open collection tube liquid valve and carry out receiving oil；Can decline with the liquid level of the oil-water mixture received in oil process oil collector, when the liquid level of the oil-water mixture in oil collector drops to below low spot direct capacitance liquid-level switch, outside monitoring computer or central processing unit give an order and close collection tube liquid valve, open and receive oil process into the stopping of extraction pot reflux inlet is current；
The collection tube oil-out position of wherein said collection tube exceeds profit Liquid level test probe position 8～12mm.
Extraction of traditional Chinese medicine volatile oil detection by quantitative the most according to claim 1 and control method, it is characterised in that described step (2) herb liquid extracts when starting, and opens the collection tube liquid valve 3 between the oil catcher in medicinal liquid extraction system and extraction pot～8 seconds.
Extraction of traditional Chinese medicine volatile oil detection by quantitative the most according to claim 1 and control method, it is characterised in that in described step (6), the opening time of collection tube liquid valve is 8～12 seconds.
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| CN201410115861.4A CN103869840B (en) | 2014-03-26 | 2014-03-26 | A kind of extraction of traditional Chinese medicine volatile oil detection by quantitative and control method |
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| CN103869840B true CN103869840B (en) | 2016-08-24 |
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| CN106054948A (en) * | 2016-05-25 | 2016-10-26 | 江苏康缘药业股份有限公司 | Volatile oil stable collection device in artemisia carvifolia extraction process and control method thereof |
| CN107412710A (en) * | 2017-08-25 | 2017-12-01 | 贵州三人行食品开发有限公司 | Antenatal epidemic prevention decoction of sow and preparation method thereof |
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| CN2686690Y (en) * | 2004-04-13 | 2005-03-23 | 刘珂 | Simple separating extractor for Chinese medicine volatile oil |
| CN101219766A (en) * | 2007-12-09 | 2008-07-16 | 朱广升 | Automatic control measuring method and measuring device for oil unloading of fuel tank car |
| CN103135530A (en) * | 2013-01-28 | 2013-06-05 | 浙江科美制药机械有限公司 | Automatic control system and method thereof for extracting jar |
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2014
- 2014-03-26 CN CN201410115861.4A patent/CN103869840B/en active Active
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| CN2244400Y (en) * | 1996-02-13 | 1997-01-08 | 周希勤 | External heat type circulation extracting concentrating dual-purpose apparatus |
| CN2686690Y (en) * | 2004-04-13 | 2005-03-23 | 刘珂 | Simple separating extractor for Chinese medicine volatile oil |
| CN101219766A (en) * | 2007-12-09 | 2008-07-16 | 朱广升 | Automatic control measuring method and measuring device for oil unloading of fuel tank car |
| CN103135530A (en) * | 2013-01-28 | 2013-06-05 | 浙江科美制药机械有限公司 | Automatic control system and method thereof for extracting jar |
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