CN106054948A - Volatile oil stable collection device in artemisia carvifolia extraction process and control method thereof - Google Patents
Volatile oil stable collection device in artemisia carvifolia extraction process and control method thereof Download PDFInfo
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- CN106054948A CN106054948A CN201610353729.6A CN201610353729A CN106054948A CN 106054948 A CN106054948 A CN 106054948A CN 201610353729 A CN201610353729 A CN 201610353729A CN 106054948 A CN106054948 A CN 106054948A
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- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
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- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
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Abstract
The invention discloses a volatile oil stable collection device in the artemisia carvifolia extraction process and a control method thereof. The collection device comprises an extraction tank, a steam inlet pipe communicated with the extraction tank, a steam heating valve and a through steam inlet valve arranged on the pipe, a condenser communicated with the extraction tank, a cooling water valve used for adjusting the cooling water flow rate of the condenser, an oil-water separator, a condensate water inlet pipe connected between the condenser and the oil-water separator, an oil collector arranged at the opening of the oil-water separator, an oil collection pipe, a U-shaped pipe used for recycling condensate, an extraction tank return valve arranged on a pipeline between the U-shaped pipe and the extraction tank, an oil collector venting valve, and a U-shaped pipe venting valve. The oil collection pipe has an oil collection opening, and has an oil collection pipe liquid outlet valve disposed outside the oil collector. The device further comprises an oil and water level detection probe disposed in the oil collector and used for detecting the oil and water level. The oil collector venting valve, the oil collection pipe liquid outlet valve and the extraction tank return valve make adjustment according to the detection result of the oil and water level detection probe.
Description
Technical field
The present invention relates to field of traditional Chinese medicine pharmacy, particularly relate to a kind of Herba Artemisiae Annuae extract process volatile oil stablize collection device and
Its control method.
Background technology
Reduning injection is the new drug of Kangyuan Pharmaceutical Co., Ltd., Jiangsu Prov's independent research, belongs to Chinese medicine compound injection
Agent, is formed by Flos Lonicerae, Fructus Gardeniae and Herba Artemisiae Annuae three taste Chinese medicine extraction are refined.
The extraction of Herba Artemisiae Annuae volatile oil is the important step in Reduning injection production process, the safety to final products
Property, effectiveness, stability etc. play an important role.
Traditional method extracting Herba Artemisiae Annuae volatile oil is: after feeding intake in the extraction pot for distillation, manually opens and carries
The straight-through steam valve taking tank connection makes water vapour enter extraction pot chuck, heats Herba Artemisiae Annuae extract, steam distillation by steam
The volatile component (volatile oil) of extract enters condenser, by condenser, volatile oil and water vapour is condensed entrance profit and divides
From device；After standing, manual operation separation condensed water and volatile oil, condensed water returns to extraction pot.This needs oil collector to have accurately
Machining accuracy also needs operator to have skilled automatic steam control ability, condensed fluid just can be made to return tank amount and evaporation capacity reaches certain
Water content in the state of balance and volatile oil is low.But system is by vapour system complexity, the shadow of manual operation proficiency
Ringing, the parameter closely-related with quality such as the liquid level of condensed fluid, oil/water interface level, backflow temperature can not get effectively controlling,
Have a strong impact on stability and the stability of Herba Artemisiae Annuae volatile oil quality of Herba Artemisiae Annuae volatile oil is drawn process.
Summary of the invention
It is an object of the invention to provide stable collection device and the controlling party thereof of volatile oil during a kind of Herba Artemisiae Annuae extracts
Method, by the testing result to profit liquid level, oil-water interfaces and temperature, to oil collector atmospheric valve 2, collection tube liquid valve 7, carries
Take tank reflux inlet 10 and cooling water valve 14 is adjusted, to improve the quality stability of Herba Artemisiae Annuae volatile oil.
For achieving the above object, one aspect of the present invention provides the stable collection dress of volatile oil during a kind of Herba Artemisiae Annuae extracts
Putting, described collection device includes: steam inlet pipeline that extraction pot 13 connects with described extraction pot 13, is located at described steam and enters
Steam heating valve 11 in feed channel enters condenser 17 that valve 12 connects with described extraction pot 13, for regulating with straight-through steam
The cooling water valve 14 of condenser cooling water flow, oil water separator 5, it is connected to described condenser 17 and described oil water separator
Between 5 condensation water inlet pipe 1, be located at the oil collector 3 at described oil water separator 5 upper end open, for receive oil collection tube, use
In reclaim on the U-tube 9 of condensed fluid, the pipeline be located between U-tube 9 and described extraction pot 13 enter extraction pot reflux inlet 10,
Oil collector atmospheric valve 2, U-tube atmospheric valve 8；Described collection tube is provided with upwards and is positioned at the receiving port 6 of described oil collector 3 and sets
There is the collection tube liquid valve 7 being positioned at outside described oil collector 3；Described collection device also includes:
It is positioned at the profit Liquid level test probe 4 of described oil collector 3, for detecting the liquid level of profit；
Described oil collector atmospheric valve 2, collection tube liquid valve 7 and enter extraction pot reflux inlet 10, for according to described profit
The testing result of Liquid level test probe 4 is adjusted.
Preferably, described collection device also includes the oil-water interfaces detection probe 15 being positioned at described oil collector 3, is used for examining
Survey the position of oil-water interfaces；
Described collection tube liquid valve 7, enter extraction pot reflux inlet 10, tie for the detection according to oil-water interfaces detection probe 15
Fruit is adjusted.
Preferably, described collection device also includes the thermometer 16 being positioned at described oil water separator 5, is used for detecting described
The temperature of oil water separator 5, described cooling water valve 14 is for being adjusted according to the testing result of thermometer 16.
Preferably, described collection device also includes controller, described controller and described profit Liquid level test probe 4, oil
Water termination detection probe 15, thermometer 16, oil collector atmospheric valve 2, collection tube liquid valve 7, enter extraction pot reflux inlet 10, U-tube
Atmospheric valve 8, cooling water valve 14, steam heating valve 11 and straight-through steam enter valve 12 and are electrically connected with；
Described controller, is used for receiving described profit Liquid level test probe 4, oil-water interfaces detection probe 15 and temperature
The testing result of meter 16, and according to described testing result to described oil collector atmospheric valve 2, collection tube liquid valve 7, enter extraction pot and return
Stream valve 10 and cooling water valve 14 are controlled.
Another aspect of the present invention additionally provides the stable collection control method of volatile oil, application during a kind of Herba Artemisiae Annuae extracts
In above-mentioned collection device, described control method includes:
Open oil collector atmospheric valve 2, enter extraction pot reflux inlet 10, make the water in oil collector 3 flow back into extraction pot 3, emptying
Air in oil collector 3 and reflux line；
Open steam heating valve 11, straight-through steam enters valve 12, makes steam enter extraction pot 13 chuck and heats, start into
Row Herba Artemisiae Annuae extracts；
Close collection tube liquid valve 7, open oil collector atmospheric valve 2 and U-tube atmospheric valve 8, the steamed in extraction pot 13
Evaporate entrance condenser, be condensed into Herba Artemisiae Annuae volatile oil and the condensed fluid of liquid, enter oil water separator 5；
Profit Liquid level test probe 4 detects the liquid level of profit；
Oil collector atmospheric valve 2, collection tube liquid valve 7 and enter extraction pot reflux inlet 10, according to described profit Level Detection
The testing result of probe 4 is adjusted.
Preferably, described collection device also includes the oil-water interfaces detection probe 15 being positioned at described oil collector 3；
Described control method also includes: oil-water interfaces detection probe 15 detects the position of oil-water interfaces；
Described collection tube liquid valve 7, enter extraction pot reflux inlet 10, enter according to the testing result of oil-water interfaces detection probe 15
Row regulation.
Preferably, described collection device also includes the thermometer 16 being positioned at described oil water separator 5；
Described control method also includes: detecting the temperature of described oil water separator 5, described cooling water valve 14 is for basis
The testing result of thermometer 16 is adjusted.
Preferably, described collection device also includes controller, described controller and described profit Liquid level test probe 4, oil
Water termination detection probe 15, thermometer 16, oil collector atmospheric valve 2, collection tube liquid valve 7, enter extraction pot reflux inlet 10, U-tube
Atmospheric valve 8, cooling water valve 14, steam heating valve 11 and straight-through steam enter valve 12 and are electrically connected with；
Described control method also includes: described controller receives described profit Liquid level test probe 4, oil-water interfaces detection is visited
15 and the testing result of thermometer 16, and according to described testing result, described oil collector atmospheric valve 2, collection tube are gone out liquid
Valve 7, enter extraction pot reflux inlet 10 and cooling water valve 14 is controlled.
Preferably,
Described controller, is determining profit liquid level less than institute according to the testing result of described profit Liquid level test probe 4
When stating oil collector 3, enter extraction pot reflux inlet 10 described in control and close and tie in the detection according to described profit Liquid level test probe 4
Fruit determines profit liquid level and is positioned at described oil collector 3 and liquid level when being higher than first threshold, enters extraction pot reflux inlet described in control
10 open；
Described controller, is determining profit liquid level necessarily according to the testing result of described profit Liquid level test probe 4
When keeping constant in the time and be less than Second Threshold, control described oil collector atmospheric valve 2 and open and be used for determining oil-water fluid
Control described oil collector atmospheric valve 2 when position is higher than three threshold values to close；
Described controller, is also positioned at determining profit liquid level according to the testing result of described profit Liquid level test probe 4
In described oil collector 3 and control described collection tube liquid valve 7 when being less than four threshold values to open.
Preferably,
Described controller, is determining oil-water interfaces higher than the according to the testing result of described oil-water interfaces detection probe 15
During five threshold values, control described collection tube liquid valve 7 and close, enter extraction pot reflux inlet 10 and open, and determine oil-water interfaces and be less than
During six threshold values, control described collection tube liquid valve 7 and open.
Preferably,
Described controller, when determining temperature less than preset value according to the testing result of thermometer 16, controls cooling water
The flow-reduction of the cooling water that valve 14 passes through, and when determining temperature higher than preset value, control cooling water valve 14 and pass through
Cooling water flow increase.
Beneficial effect:
(1) present invention achieves the automatic detection of profit liquid level in oil water separator, first provide for profit delaminating process
Time enough, when next prevents liquid level too high, condensed water overflows from collection tube liquid valve, improves Herba Artemisiae Annuae volatile oil quality
Stability；
(2) the accurately detection and the high accuracy that present invention achieves oil-water interfaces control, it is achieved Herba Artemisiae Annuae extracts process volatile oil
Fuel-displaced stability contorting, it is ensured that the quality of Herba Artemisiae Annuae volatile oil, improves its quality stability；
(3) present invention achieves maintenance backflow temperature stabilization, first prevent from causing profit layering difficulty because temperature is too high,
Collect the generation less than situations such as moisture content in volatile oil or volatile oil are high, improve the quality of Herba Artemisiae Annuae volatile oil；Next prevent because of
The reduction of temperature in the too low extraction pot caused of temperature, thus extend the generation of the situations such as extraction time, increase energy consumption.
The solution of the present invention improves process parameter control precision, thus improves stablizing of quality between the batch of product
Property.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below required for make
Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be only some embodiments of the present invention, for
From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings
Accompanying drawing, wherein:
Fig. 1 is the structural schematic block diagram that collection device stablized by Herba Artemisiae Annuae of the present invention extraction process volatile oil；
Fig. 2 is the partial enlarged drawing in Fig. 1.
In figure, the labelling of each parts is as follows: 1-condenses water inlet pipe, 2-oil collector atmospheric valve, 3-oil collector, 4-profit liquid level
Detection probe, 5-oil water separator, 6-collection tube oil-out, 7-collection tube liquid valve, 8-U type pipe atmospheric valve, 9-U type pipe,
10-extraction pot reflux inlet, 11-steam heating valve, 12-leads directly to steam and enters valve, 13-extraction pot, 14-cooling water valve, 15-profit
Interface detection is popped one's head in, 16-thermometer, 17-condenser.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in the application, real below in conjunction with the application
Execute the accompanying drawing in example, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described enforcement
Example is only some embodiments of the present application rather than whole embodiments.Based on the embodiment in the application, this area is common
The every other embodiment that technical staff is obtained under not making creative work premise, all should belong to the application protection
Scope.
It is desirable to provide a kind of Herba Artemisiae Annuae extracts process volatile oil collection device, by profit liquid level, oil-water interfaces
And the detection of temperature, it is achieved collection tube liquid valve 7, extraction pot reflux inlet 10, cooling water valve 14 and oil collector are vented
The control of valve 2, to improve Herba Artemisiae Annuae volatile oil quality stability.
As it is shown in figure 1, be the embodiment of the present invention a kind of Herba Artemisiae Annuae extract process volatile oil stablize collection device concrete structure
Figure, including condenser 17, oil water separator 5, the condensation water inlet pipe 1 being connected between condenser 17 and oil water separator 5, is located at
Cooling water valve on described condenser 17, it is located at oil water separator 5 oil collector atmospheric valve 2, oil collector 3, profit Level Detection
The backflow of probe 4, oil water separator 5, collection tube oil-out 6, collection tube liquid valve 7, U-tube atmospheric valve 8, U-tube 9, extraction pot
Valve 10, steam heating valve 11, straight-through steam enter valve 12, extraction pot 13, cooling water valve 14, oil-water interfaces detection probe 15, temperature
Degree meter 16, controller 17, connected by pipeline between each element；
Profit Liquid level test probe (4) and oil-water interfaces detection probe (15) are set in wherein said oil collector (3)；Institute
The profit Liquid level test probe (4) stated can accurately detect profit liquid level；Described oil-water interfaces detection probe (15) can essence
Really detect the oil-water interfaces in oil water separator (5) and oil collector (3)；
Described controller (17) and oil collector atmospheric valve (2), oil collector (3), profit Liquid level test probe (4), collection tube
Liquid valve (7), U-tube atmospheric valve (8), enter extraction pot reflux inlet (10), steam heating valve (11), straight-through steam enter valve (12),
For being electrically connected with between cooling water valve (14).
Wherein oil collector atmospheric valve 2, collection tube liquid valve 7 and extraction pot reflux inlet 10, for according to described oil-water fluid
The testing result of position detection probe 4 is adjusted under the control of controller 17；Collection tube liquid valve 7, extraction pot reflux inlet 10,
It is adjusted under the control of controller 17 for the testing result according to oil-water interfaces detection probe 15；Thermometer 16, is used for
Detecting the temperature of described oil water separator 5, cooling water valve 14 is used for the testing result according to thermometer 16 at controller 17
It is adjusted under control.
Hereinafter extract process volatile oil for Herba Artemisiae Annuae and stablize collection control method, comprise the following steps:
First it is the collection of Herba Artemisiae Annuae extraction process oil-water mixture:
(1), when Herba Artemisiae Annuae extracts and starts, open oil collector atmospheric valve (2), enter extraction pot reflux inlet (10), make in oil catcher
Water flows back into extraction pot, the air in emptying oil catcher and reflux line；
(2) open steam heating valve (11), straight-through steam enters valve (12), makes steam enter extraction pot chuck and heats,
Proceed by Herba Artemisiae Annuae to extract；
(3) close collection tube liquid valve (7), open oil collector atmospheric valve (2) and U-tube atmospheric valve (8), extraction pot (13)
In steam distillation enter condenser, be condensed into Herba Artemisiae Annuae volatile oil and the condensed fluid of liquid, enter oil water separator (5).
Carry out stability contorting fuel-displaced to Herba Artemisiae Annuae volatile oil:
(1) Herba Artemisiae Annuae volatile oil and condensed fluid stably enter oil water separator (5) and diffuse in further and be positioned at described oil
Water separator (5) top and the described oil collector (3) connected with described oil water separator (5) are interior, and now oil-water interfaces detection is visited
The oil-water interfaces signal surveyed is fed back to controller (17) by head (15)；
(2) when can not enter in described oil collector (3) when the oil-water mixture in described oil water separator (5) is less,
Close into extraction pot reflux inlet (10), continue to collect condensed fluid；
(3) in the oil-water mixture in oil water separator (5) comes into oil collector (3), oil-water interfaces detection probe
(15), when the liquid level of oil water separator (5) interior oil-water interfaces being detected less than set point, signal is fed back to controller (17),
Open collection tube liquid valve (7)；
(4) in oil-water interfaces detection probe (15) detects oil water separator (5), the liquid level of oil-water interfaces is higher than setting
During scope, close collection tube liquid valve (7), stop receiving oil, and open into extraction pot reflux inlet (10), make oil water separator lower floor
Condensed fluid be back to extraction pot (13).
Its middle controller (17) realizes collection tube liquid valve (7), oil-water interfaces detection probe (15), extraction pot reflux inlet
(10) chain control, it is ensured that the stable collection of Herba Artemisiae Annuae volatile oil.
Oil water separator level stability is controlled:
Carry profit Liquid level test probe (4) and detect that in oil water separator (5), liquid level is higher or lower than set point, profit
Liquid level test probe (4) feedback signal, to controller (17), controller (17) regulation collection tube liquid valve (7), regulates atmospheric valve
(2) and extraction pot reflux inlet (10), oil water separator (5) level stability is maintained.
Backflow temperature stabilization controls:
Backflow temperature in thermometer (16) detection oil water separator (5), when temperature is below or above set point,
Feedback information, to controller (17), the flow of regulation cooling water (14), makes the backflow temperature in oil water separator (5) be in and sets
In the range of Ding.
For the detection of profit liquid level for sum up:
Controller is determining profit liquid level less than described receipts oil according to the testing result of described profit Liquid level test probe 4
During device 3, enter extraction pot reflux inlet 10 described in control and close and judge in the testing result according to described profit Liquid level test probe 4
To profit liquid level be positioned at described oil collector 3 and liquid level higher than first threshold time, control described extraction pot reflux inlet 10 and open；
Controller, is determining profit liquid level in certain time according to the testing result of described profit Liquid level test probe 4
When interior holding is constant and is less than Second Threshold, controls described oil collector atmospheric valve 2 and open and be used for determining profit liquid level height
When three threshold values, control described oil collector atmospheric valve 2 close；
Described controller, is also positioned at determining profit liquid level according to the testing result of described profit Liquid level test probe 4
In described oil collector 3 and control described collection tube liquid valve 7 when being less than four threshold values to open.
Detection for oil-water interfaces:
Controller, is determining oil-water interfaces higher than the 5th threshold according to the testing result of described oil-water interfaces detection probe 15
During value, control that described collection tube liquid valve 7 is closed, extraction pot reflux inlet 10 is opened, and determine oil-water interfaces less than the 6th threshold
During value, control described collection tube liquid valve 7 and open.
Detection for temperature:
Controller, when determining temperature less than preset value according to the testing result of thermometer 16, controls cooling water valve
The flow-reduction of the cooling water that 14 pass through, and when determining temperature higher than preset value, it is cold that control cooling water valve 14 passes through
But the flow of water increases.
According to such scheme, there is advantages that
The accurately detection and the high accuracy that achieve oil-water interfaces control, it is achieved Herba Artemisiae Annuae extracts the fuel-displaced stable control of process volatile oil
System, it is ensured that the quality of Herba Artemisiae Annuae volatile oil, improves its quality stability；
Achieve the Automated condtrol of liquid level in oil water separator, when first providing enough for profit delaminating process
Between, next prevents condensed water from overflowing from collection tube liquid valve, improves Herba Artemisiae Annuae volatile oil quality stability；
Maintain backflow temperature stabilization, first prevent from causing profit layering difficulty because temperature is too high.Collect less than volatile oil
Or the generation of the situation such as in volatile oil moisture content is high, improve the quality of Herba Artemisiae Annuae volatile oil；Next prevents from causing because temperature is too low
The reduction of temperature in extraction pot, thus extend the generation of the situations such as extraction time, increase energy consumption.
Herba Artemisiae Annuae based on the Automated condtrol extraction process volatile oil provided based on the present invention stablizes collection device and control thereof
Method processed, improves process parameter control precision, and then improves the stability of quality between the batch of product.
Following example are with the present invention program, identical Herba Artemisiae Annuae to be extracted process volatile oil by traditional approach to receive
The test data that collection is recorded.Concrete, take Herba Artemisiae Annuae 500kg, add 10～20 times amount boiling water, heat micro-boiling and extract, collect volatilization
Oil.It is respectively adopted traditional method and the inventive method collects volatile oil, be repeated 3 times test.Measure the volatile oil volume collected, and
Measure the moisture in volatile oil.It is shown in Table 1.
The assay method of moisture in volatile oil:
Gas chromatography (" Chinese Pharmacopoeia " 2015 editions general rule 0832 aquametries) is used to measure the moisture in volatile oil
Content:
Chromatographic condition and system suitability: the divinylbenzene with a diameter of 0.18～0.25mm-ethylethylene benzene-type
Porous polymer beads is as carrier, or the capillary column that employing polarity adapts therewith, and column temperature is 140～150 DEG C, and thermal conductance is examined
Survey device detects.Note people's dehydrated alcohol, measures according to gas chromatography (general rule 0521), should meet the following requirements:
(1) number of theoretical plate is calculated by water peak and should be greater than 1000, and number of theoretical plate is calculated by ethanol peak and should be greater than 150；
(2) separating degree at water and ethanol two peak should be greater than 2；
(3) using dehydrated alcohol sample introduction 5 times, the relative standard deviation of water peak area cannot be greater than 3.0%.
The preparation of contrast solution: take purified water about 0.2g, accurately weighed, put in 25ml measuring bottle, add dehydrated alcohol to scale,
Shake up, to obtain final product.
The preparation of need testing solution: take test sample appropriate (water content about 0.2g), shred or finely ground, accurately weighed, put tool
In plug conical flask, precision adds people dehydrated alcohol 50ml, close plug, mixing, supersound process 20 minutes, places 12 hours, more ultrasonic place
Managing 20 minutes, close plug is placed, and hypsokinesis to be clarified takes supernatant, to obtain final product.
Algoscopy: take dehydrated alcohol, contrast solution and need testing solution each 1～5 μ l, injection gas chromatography instrument, measure, i.e.
?.
Table 1
By above-mentioned test data it will be seen that by the method for the present invention, relatively conventional mode, it is ensured that Herba Artemisiae Annuae volatile oil
Quality, improve the quality stability between batch products.
Although depicting the application by embodiment, it will be appreciated by the skilled addressee that the application have many deformation and
Change is without deviating from spirit herein, it is desirable to appended claim includes that these deformation and change are without deviating from the application's
Spirit.
Claims (11)
1. a stable collection device for volatile oil during Herba Artemisiae Annuae extracts, described collection device includes: extraction pot 13 is with described
Steam inlet pipeline, the steam heating valve 11 being located on described steam inlet pipeline and the straight-through steam of extraction pot 13 connection enter valve
12 condensers 17 connected with described extraction pot 13, for regulating the cooling water valve 14 of condenser cooling water flow, profit divides
From device 5, be connected between described condenser 17 and described oil water separator 5 condensation water inlet pipe 1, be located at described oil water separator
Oil collector 3 at 5 upper end open, for receiving the collection tube of oil, for reclaiming the U-tube 9 of condensed fluid, being located at U-tube 9 with described
Extraction pot reflux inlet 10 on pipeline between extraction pot 13, oil collector atmospheric valve 2, U-tube atmospheric valve 8；Described collection tube sets
There is upwards and be positioned at the receiving port 6 of described oil collector 3 and be provided with the collection tube liquid valve 7 being positioned at outside described oil collector 3；It is special
Levying and be, described collection device also includes:
It is positioned at the profit Liquid level test probe 4 of described oil collector 3, for detecting the liquid level of profit；
Described oil collector atmospheric valve 2, collection tube liquid valve 7 and extraction pot reflux inlet 10, for examining according to described profit liquid level
The testing result of probing 4 is adjusted.
2. the collection device of volatile oil during Herba Artemisiae Annuae as claimed in claim 1 extracts, it is characterised in that described collection device
Also include the oil-water interfaces detection probe 15 being positioned at described oil collector 3, for detecting the position of oil-water interfaces；
Described collection tube liquid valve 7, extraction pot reflux inlet 10, for carrying out according to the testing result of oil-water interfaces detection probe 15
Regulation.
3. the collection device of volatile oil during Herba Artemisiae Annuae as claimed in claim 2 extracts, it is characterised in that described collection device
Also include the thermometer 16 being positioned at described oil water separator 5, for detecting the temperature of described oil water separator 5, described cooling
Penstock 14 is for being adjusted according to the testing result of thermometer 16.
4. the collection device of volatile oil during Herba Artemisiae Annuae as claimed in claim 3 extracts, it is characterised in that described collection device
Also include controller, described controller and described profit Liquid level test probe 4, oil-water interfaces detection probe 15, thermometer 16, receipts
Oil device atmospheric valve 2, collection tube liquid valve 7, extraction pot reflux inlet 10, U-tube atmospheric valve 8, cooling water valve 14, steam heating valve
11 and straight-through steam enter valve 12 and be electrically connected with；
Described controller, is used for receiving described profit Liquid level test probe 4, oil-water interfaces detection probe 15 and thermometer 16
Testing result, and according to described testing result to described oil collector atmospheric valve 2, collection tube liquid valve 7, extraction pot reflux inlet
10 and cooling water valve 14 be controlled.
5. during Herba Artemisiae Annuae extracts, a stable collection control method for volatile oil, applies in the receipts described in the claims 1
In acquisition means, it is characterised in that described control method includes:
Open oil collector atmospheric valve 2, extraction pot reflux inlet 10, make the water in oil collector 3 flow back into extraction pot 3, empty oil collector 3
And the air in reflux line；
Open steam heating valve 11, straight-through steam enters valve 12, makes steam enter extraction pot 13 chuck and heats, proceeds by green grass or young crops
Artemisia is extracted；
Closing collection tube liquid valve 7, open oil collector atmospheric valve 2 and U-tube atmospheric valve 8, the steam distillation in extraction pot 13 enters
Enter condenser, be condensed into Herba Artemisiae Annuae volatile oil and the condensed fluid of liquid, enter oil water separator 5；
Profit Liquid level test probe 4 detects the liquid level of profit；
Oil collector atmospheric valve 2, collection tube liquid valve 7 and extraction pot reflux inlet 10, according to described profit Liquid level test probe 4
Testing result is adjusted.
6. the stable collection control method of volatile oil during Herba Artemisiae Annuae as claimed in claim 5 extracts, it is characterised in that described
Collection device also includes the oil-water interfaces detection probe 15 being positioned at described oil collector 3；
Described control method also includes: oil-water interfaces detection probe 15 detects the position of oil-water interfaces；
Described collection tube liquid valve 7, extraction pot reflux inlet 10, adjust according to the testing result of oil-water interfaces detection probe 15
Joint.
7. the stable collection control method of volatile oil during Herba Artemisiae Annuae as claimed in claim 6 extracts, it is characterised in that described
Collection device also includes the thermometer 16 being positioned at described oil water separator 5；
Described control method also includes: detecting the temperature of described oil water separator 5, described cooling water valve 14 is for according to temperature
The testing result of meter 16 is adjusted.
8. the stable collection control method of volatile oil during Herba Artemisiae Annuae as claimed in claim 7 extracts, it is characterised in that described
Collection device also includes controller, described controller and described profit Liquid level test probe 4, oil-water interfaces detection probe 15, temperature
Degree meter 16, oil collector atmospheric valve 2, collection tube liquid valve 7, extraction pot reflux inlet 10, U-tube atmospheric valve 8, cooling water valve 14,
Steam heating valve 11 and straight-through steam enter valve 12 and are electrically connected with；
Described control method also includes: described controller receives described profit Liquid level test probe 4, oil-water interfaces detection probe
15 and the testing result of thermometer 16, and according to described testing result to described oil collector atmospheric valve 2, collection tube liquid valve
7, extraction pot reflux inlet 10 and cooling water valve 14 are controlled.
9. the stable collection control method of volatile oil during Herba Artemisiae Annuae as claimed in claim 8 extracts, it is characterised in that
Described controller, is determining profit liquid level less than described receipts according to the testing result of described profit Liquid level test probe 4
During oil device 3, enter extraction pot reflux inlet 10 described in control and close and sentencing according to the testing result of described profit Liquid level test probe 4
Break to profit liquid level be positioned at described oil collector 3 and liquid level higher than first threshold time, control described extraction pot reflux inlet 10 and open；
Described controller, is determining profit liquid level in certain time according to the testing result of described profit Liquid level test probe 4
When interior holding is constant and is less than Second Threshold, controls described oil collector atmospheric valve 2 and open and be used for determining profit liquid level height
When three threshold values, control described oil collector atmospheric valve 2 close；
Described controller, is also positioned at described determining profit liquid level according to the testing result of described profit Liquid level test probe 4
In oil collector 3 and control described collection tube liquid valve 7 when being less than four threshold values to open.
10. the stable collection control method of volatile oil during Herba Artemisiae Annuae as claimed in claim 8 extracts, it is characterised in that
Described controller, is determining oil-water interfaces higher than the 5th threshold according to the testing result of described oil-water interfaces detection probe 15
During value, control that described collection tube liquid valve 7 is closed, extraction pot reflux inlet 10 is opened, and determine oil-water interfaces less than the 6th threshold
During value, control described collection tube liquid valve 7 and open.
The stable collection control method of volatile oil during 11. Herba Artemisiae Annuaes as claimed in claim 8 extractions, it is characterised in that
Described controller, when determining temperature less than preset value according to the testing result of thermometer 16, controls cooling water valve
The flow-reduction of the cooling water that 14 pass through, and when determining temperature higher than preset value, it is cold that control cooling water valve 14 passes through
But the flow of water increases.
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| CN113476871A (en) * | 2021-06-03 | 2021-10-08 | 广西锦东自动化设备有限公司 | Multi-effect evaporation control process for one-time tank passing by self pressure difference |
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