CN110613944A - Traditional Chinese medicine concentration system with foam detection device and foam elimination method - Google Patents
Traditional Chinese medicine concentration system with foam detection device and foam elimination method Download PDFInfo
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- CN110613944A CN110613944A CN201910902781.6A CN201910902781A CN110613944A CN 110613944 A CN110613944 A CN 110613944A CN 201910902781 A CN201910902781 A CN 201910902781A CN 110613944 A CN110613944 A CN 110613944A
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- concentrator
- chinese medicine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0082—Regulation; Control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0063—Regulation, control including valves and floats
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0073—Degasification of liquids by a method not covered by groups B01D19/0005 - B01D19/0042
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a traditional Chinese medicine concentration system with a foam detection device, which comprises: the device comprises a concentrator, a heater, a gas-liquid separator and a condenser, wherein the concentrator, the heater, the gas-liquid separator and the condenser are communicated with each other, an evacuation port is arranged on the outer circumferential surface of the middle part of the concentrator, an evacuation valve is arranged on the right side of the evacuation port, a vacuumizing port connected with one end of a vacuum valve is arranged on the upper part of the condenser, a photoelectric sensor is arranged on the upper part of the concentrator to detect the condition of foam generated in the concentration process, when the photoelectric sensor detects that foam is generated, the foam is eliminated by adjusting the opening and closing of the emptying valve and the vacuum valve, the photoelectric sensor is sensitive in foam detection, high in accuracy and free of hysteresis effect, whether foam is generated or not is judged by comparing the light quantity received by the light receiving part of the photoelectric sensor with the light quantity emitted by the light emitting part, when foam is generated, the vacuum valve is opened to eliminate the foam, and the technical effect of eliminating the foam without adding a defoaming agent is realized.
Description
Technical Field
The invention relates to the field of traditional Chinese medicine production, in particular to a traditional Chinese medicine concentration system with a foam detection device and a foam elimination method.
Background
The production process of the traditional Chinese medicine can be divided into the processes of pretreatment, extraction, concentration, refining, drying and the like, wherein the concentration process of the traditional Chinese medicine is a key process of the production of the traditional Chinese medicine, and because the components of the traditional Chinese medicine are different, some traditional Chinese medicine extracts contain parts such as protein, mucilage, saponin and the like, and the extracts are easy to generate a large amount of foams in the concentration process, and the foams not only occupy a large amount of space and influence the production, but also can cause a large amount of concentrated liquid medicine to be discharged out of equipment along with the foams, thereby causing a large amount of loss of the liquid medicine and increasing.
Most pharmaceutical enterprises install capacitive detection probe or tuning fork formula test probe in the concentrator and detect the foam that produces in the concentration process, but the detection effect is all unsatisfactory, and the leading reason is as follows:
(1) the capacitance probe detects the liquid material by using a capacitance change principle, but because foams generated by different liquid medicines are different in size, when the foams start to generate and are initially contacted with the capacitance probe, the capacitance change is not large at the moment, a foam signal is not easy to detect, only when the foams rise to a certain position (the foams exceed an alarm position at the moment), the capacitance probe starts to output an alarm signal, a large amount of water liquid is already contained in the foams, and the liquid medicine is lost along with the foams;
(2) the tuning fork type probe and the foam in the concentrator are smaller in pitch, so that the foam carried by the tuning fork is not timely scattered, and the foam is possibly stuck on a tuning fork switch, so that a defoaming result is not timely fed back by a system, defoaming operation is still executed, the normal operation of production is influenced, and the production efficiency is greatly reduced.
The defoaming operation is generally realized by a defoaming agent, the defoaming agent is added in the extraction process, but the extract produced after the defoaming agent is added is soft and has high water content, the subsequent drying and preparation are influenced, and the type, the time and the dosage of the defoaming agent also have certain influence on the quality of the medicine.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a traditional Chinese medicine concentration system with a foam detection device and a foam elimination method.
In order to achieve the above object, the invention provides a Chinese medicine concentration system with a foam detection device, comprising:
the concentrator, the lower part of concentrator is the cone, the middle part is first cylinder, upper portion is the second cylinder, the lower part of concentrator is the cone, the middle part is first cylinder, the
The diameter of the upper part of the concentrator is smaller than that of the middle part of the concentrator, a hollow cavity for containing Chinese medicine liquid is arranged in the concentrator, three explosion-proof windows are arranged on the outer circumferential surface of the middle part of the concentrator, explosion-proof vision lamps are arranged on the explosion-proof windows, a first rotary cleaning ball is arranged on the concentrator, a drain hole is formed in the outer circumferential surface of the middle part of the concentrator, and the right side of the drain hole is connected with a drain valve;
the heater is positioned on the right side of the concentrator, the heater is a double-layer cylindrical tank-shaped container, the inner layer of the heater is communicated with the hollow cavity inside the concentrator, the traditional Chinese medicine liquid circulates in the inner layer of the heater and the hollow cavity of the concentrator, and industrial steam for heating the traditional Chinese medicine liquid is introduced to the outer layer of the heater;
the gas-liquid separator is a tank-shaped container, the gas-liquid separator is communicated with the upper part of the concentrator through a connecting pipeline, a gas-liquid mixture containing Chinese medicine liquid in the concentrator enters the gas-liquid separator through the connecting pipeline for gas-liquid separation, a condensing pipe for guiding the separated Chinese medicine liquid into a hollow cavity of the concentrator is arranged at the bottom of the gas-liquid separator, and a second rotary cleaning ball is arranged on the gas-liquid separator;
the condenser is communicated with the opening at the top of the gas-liquid separator through a pipeline, a vacuumizing port connected with one end of a vacuum valve is arranged at the upper part of the condenser, a vacuum source is connected with the other end of the vacuum valve, and a condensate collecting tank is connected with the lower part of the condenser;
the upper part of the concentrator is provided with a monitoring window, and a photoelectric sensor is arranged on the monitoring window;
the photoelectric sensor is electrically connected with a control device of the traditional Chinese medicine concentration system, and the control device controls the opening and closing of the vacuum valve and the emptying valve through received signals sent by the photoelectric sensor.
Preferably, the photoelectric sensor is connected to the monitoring window through a bracket.
Preferably, the surveillance window is covered with a light shield for shielding light.
Preferably, the vacuum valve is a proportional regulating valve.
Preferably, a sensor for detecting the temperature of the traditional Chinese medicine liquid in the concentrator is arranged at the lower part of the concentrator.
Preferably, the heater heats the temperature of the Chinese medicine liquid to 45-85 ℃.
Further preferably, the electric sensor includes two monitoring windows, the two monitoring windows are symmetrically distributed along an axial direction of the concentrator, and the light emitting portion and the light receiving portion are respectively disposed on the two monitoring windows.
In order to achieve the purpose, the method in the technical scheme adopted by the invention is a method for removing foam by using any one traditional Chinese medicine concentration system, and the method comprises the following steps:
a. heating the traditional Chinese medicine liquid in the evaporator by the heater;
b. detecting foam in the concentrator by the photosensor;
c. when the light quantity received by the light receiving part in the photoelectric sensor is less than the light quantity emitted by the light emitting part, the emptying valve is closed, and the vacuum valve is partially opened or fully opened;
d. the control device records the duration of the full opening of the vacuum valve in the step c, closes the vacuum valve and fully opens the evacuation valve when the full opening time of the vacuum valve is more than 10 seconds, and repeats the step b;
e. and when the concentration of the Chinese medicinal liquid in the concentrator meets the requirement, ending the concentration process.
Preferably, the heater in the step a heats the traditional Chinese medicine liquid in the evaporator to 45-85 ℃.
Preferably, in the step c, the opening degree when the evacuation valve is partially opened is linearly related to a ratio of the light quantity received by the light receiving portion to the light quantity emitted by the light emitting portion, and the calculation formula is as follows: and X =1-Y/Z, wherein X is the opening degree of the emptying valve, Y is the light quantity received by the light receiving part, and Z is the light quantity emitted by the light emitting part.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
according to the traditional Chinese medicine concentration system with the foam detection device and the foam elimination method, the photoelectric sensor is arranged to detect the foam generation condition in the concentration process, the detection is sensitive, the accuracy is high, and no hysteresis effect exists.
Drawings
FIG. 1 is a traditional Chinese medicine concentration system with a foam detection device in the present invention;
FIG. 2 is an enlarged view of the upper portion of the concentrator of the present invention, with the photosensor section partially cut away;
wherein: 100. a concentrator; 101. a lower portion; 1011. a temperature sensor; 102. a middle part; 1021. a first explosion-proof window; 1022. a second explosion-proof window; 1023. a third explosion prevention window; 1024. a first explosion-proof vision lamp; 1025. a second explosion-proof vision lamp; 1026. a third explosion-proof sight lamp; 1027. emptying the air; 1028. an evacuation valve; 103. an upper portion; 1031. monitoring a window; 1033. a support; 1034. a light shield; 1035. a light-emitting part; 1036. a light receiving section; 104. a first rotating cleaning ball; 200. a heater; 201. a steam inlet; 202. a condensed water outlet; 300. a gas-liquid separator; 301. connecting a pipeline; 302. a condenser tube; 303. a second rotating cleaning ball; 304. a fourth explosion-proof window; 305. a fourth explosion-proof vision lamp; 400. a condenser; 401. a pipeline; 402. a vacuum pumping port; 403. a vacuum valve; 404. a condensate collection tank; 500. chinese medicinal liquid.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
The up and down directions in the present invention refer to the up and down directions in fig. 1, and the left and right directions in the present invention refer to the left and right directions in fig. 1.
As shown in fig. 1, the traditional Chinese medicine concentration system with a foam detection device provided by the invention comprises: the concentrator 100, the heater 200, the gas-liquid separator 300 and the condenser 400, wherein the lower part 101 of the concentrator 100 is a cone, the lower part 101 of the concentrator 100 is provided with a temperature sensor 1011 for detecting the temperature of the traditional Chinese medicine liquid in the hollow cavity of the concentrator 100, the middle part 102 of the concentrator 100 is a first cylinder, the outer circumferential surface of the middle part 102 of the concentrator 100 is sequentially provided with a first explosion-proof window 1021, a second explosion-proof window 1022 and a third explosion-proof window 1023 from bottom to top, each explosion-proof window is correspondingly provided with an explosion-proof vision lamp which is sequentially a first explosion-proof vision lamp 1024, a second explosion-proof vision lamp 1025 and a third explosion-proof vision lamp 1026, the interior of the concentrator 100 is irradiated by opening the explosion-proof vision lamps through the explosion-proof windows, the interior of the concentrator 100 can be observed, the upper part 103 of the concentrator 100 is a second cylinder, the diameter of the upper part 103 of the concentrator 100 is smaller than that of the middle part 102 of the concentrator 100, the upper part 103 of the concentrator 100 is provided with a first rotary cleaning ball 104 for cleaning the inner wall of the concentrator 100, the outer circumferential surface of the middle part 102 of the concentrator 100 is provided with a drain 1027, the right side of the drain 1027 is connected with an exhaust valve 1028, and when the exhaust valve 1028 is opened, the hollow cavity inside the concentrator 100 is communicated with the outside atmosphere; the heater 200 is positioned at the right side of the concentrator 100 and is a double-layer cylindrical tank-shaped container, an inner layer cavity of the heater 200 is communicated with a hollow cavity of the concentrator 100 through a pipeline, the traditional Chinese medicine liquid 500 circulates in the inner layer cavity of the heater 200 and the hollow cavity of the concentrator 100, an outer layer cavity of the heater 200 is communicated with industrial steam used for heating the traditional Chinese medicine liquid 500, a steam inlet 201 and a condensed water outlet 202 are arranged on the outer surface of the heater 200, the industrial steam enters the outer layer cavity of the heater 200 through the steam inlet 201 and then exchanges heat with the traditional Chinese medicine liquid 500 in the inner layer cavity of the heater 200, the traditional Chinese medicine liquid 500 is heated, the industrial steam is cooled, and the cooled industrial steam is condensed into liquid on the inner wall of the outer layer cavity of the heater 200 and drops under the action of gravity and finally is discharged through the condensed water outlet 202; the gas-liquid separator 300 is a pot-shaped container, the gas-liquid separator 300 is communicated with the upper part 103 of the concentrator 100 through a connecting pipeline 301, a gas-liquid mixture containing traditional Chinese medicine liquid in the concentrator 100 enters the gas-liquid separator 300 through the connecting pipeline 301 for gas-liquid separation, the separated liquid traditional Chinese medicine liquid flows back into the hollow cavity of the concentrator 100 through a condensing pipe 302 positioned at the bottom of the gas-liquid separator 300, a second rotary cleaning ball 303 is arranged on the gas-liquid separator 300 and used for cleaning the inner wall of the gas-liquid separator 300, a fourth explosion-proof window 304 is arranged on the outer circumferential surface of the gas-liquid separator 300, a fourth explosion-proof lamp 305 is arranged on the fourth explosion-proof window 304, and the interior of the gas-liquid separator 300 can be observed by opening the explosion-proof lamp to irradiate the interior of the gas-liquid separator 300 through; the condenser 400 is located at the left side of the gas-liquid separator 300, the condenser 400 is communicated with an opening at the upper part of the gas-liquid separator 300 through a pipeline 401, a vacuum pumping port 402 connected with the right end of a vacuum valve 403 is arranged at the upper part of the condenser 400, a vacuum source (not shown in the figure) is connected at the left end of the vacuum valve 403, and a condensate collecting tank 404 is connected at the lower part of the condenser 400.
As shown in fig. 1-2, the concentrator 100 is provided with two monitoring windows 1031 on the upper portion 103, the two monitoring windows 1031 are symmetrically distributed along the axial direction of the concentrator 100, the photoelectric sensor comprises a light emitting portion 1035 and a light receiving portion 1036, the light emitting portion 1035 and the light receiving portion 1036 are respectively arranged on the two monitoring windows 1031, a support 1033 is arranged between the light emitting portion 1035, the light receiving portion 1036 and the monitoring windows 1031, the support 1033 is used for connecting the light emitting portion 1035, the light receiving part 1036 is firmly fixed on the monitoring window 1031, the monitoring window 1031 is covered with a light shield 1034, the light shield 1034 is used for preventing the interference of the environmental optical fiber to the light emitting part 1035 and the light receiving part 1036, the light emitting part 1035 and the light receiving part 1036 are electrically connected with a control device of the traditional Chinese medicine concentration system, the control device controls the opening and closing of the vacuum valve 403 and the emptying valve 1028 through signals sent by the light emitting part 1035 and the light receiving part 1036, and preferably, the vacuum valve 403 is a proportional control valve and can be opened according to a certain proportion of the ratio of the light quantity received by the light receiving part 1036 to the light quantity sent by the light.
Preferably, the heater 200 heats the Chinese medicine liquid 500 circulating in the inner chamber of the heater 200 and the hollow chamber of the concentrator 100 to 45-85 ℃ for concentration.
The method for eliminating the foam by using the traditional Chinese medicine concentration system with the foam detection device comprises the following steps:
a. heating the traditional Chinese medicine liquid in the evaporator by the heater;
b. detecting foam in the concentrator by the photosensor;
c. when the light quantity received by the light receiving part in the photoelectric sensor is less than the light quantity emitted by the light emitting part, the emptying valve is closed, and the vacuum valve is partially opened or fully opened;
d. the control device records the duration of the full opening of the vacuum valve in the step c, closes the vacuum valve and fully opens the evacuation valve when the full opening time of the vacuum valve is more than 10 seconds, and repeats the step b;
e. and when the concentration of the Chinese medicinal liquid in the concentrator meets the requirement, ending the concentration process.
Preferably, the heater in the step a heats the traditional Chinese medicine liquid in the evaporator to 45-85 ℃.
Preferably, in the step c, the opening degree when the evacuation valve is partially opened is linearly related to a ratio of the light quantity received by the light receiving portion to the light quantity emitted by the light emitting portion, and the calculation formula is as follows: and X =1-Y/Z, wherein X is the opening degree of the emptying valve, Y is the light quantity received by the light receiving part, and Z is the light quantity emitted by the light emitting part.
Whether foam is generated or not is judged by comparing the light quantity received by the light receiving part of the photoelectric sensor with the light quantity emitted by the light emitting part, and when the foam is generated, the vacuum valve is opened to eliminate the foam, so that the technical effect of eliminating the foam without adding a defoaming agent is realized.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (10)
1. A concentrated system of traditional chinese medicine with foam detection device which characterized in that includes:
the concentrator comprises a concentrator, wherein the lower part of the concentrator is a cone, the middle part of the concentrator is a first cylinder, the upper part of the concentrator is a second cylinder, the diameter of the upper part of the concentrator is smaller than that of the middle part of the concentrator, a hollow cavity for containing Chinese medicine liquid is arranged inside the concentrator, three explosion-proof windows are arranged on the outer circumferential surface of the middle part of the concentrator, an explosion-proof viewing lamp is arranged on each explosion-proof window, a first rotary cleaning ball is arranged on the concentrator, an evacuation port is formed in the outer circumferential surface of the middle part of the concentrator, and the right side of the evacuation port is connected with an evacuation valve;
the heater is positioned on the right side of the concentrator, the heater is a double-layer cylindrical tank-shaped container, the inner layer of the heater is communicated with the hollow cavity inside the concentrator, the traditional Chinese medicine liquid circulates in the inner layer of the heater and the hollow cavity of the concentrator, and industrial steam for heating the traditional Chinese medicine liquid is introduced to the outer layer of the heater;
the gas-liquid separator is a tank-shaped container, the gas-liquid separator is communicated with the upper part of the concentrator through a connecting pipeline, a gas-liquid mixture containing Chinese medicine liquid in the concentrator enters the gas-liquid separator through the connecting pipeline for gas-liquid separation, a condensing pipe for guiding the separated Chinese medicine liquid into a hollow cavity of the concentrator is arranged at the bottom of the gas-liquid separator, and a second rotary cleaning ball is arranged on the gas-liquid separator;
the condenser is communicated with the opening at the top of the gas-liquid separator through a pipeline, a vacuumizing port connected with one end of a vacuum valve is arranged at the upper part of the condenser, a vacuum source is connected with the other end of the vacuum valve, and a condensate collecting tank is connected with the lower part of the condenser;
the upper part of the concentrator is provided with a monitoring window, and a photoelectric sensor is arranged on the monitoring window;
the photoelectric sensor is electrically connected with a control device of the traditional Chinese medicine concentration system, and the control device controls the opening and closing of the vacuum valve and the emptying valve through received signals sent by the photoelectric sensor.
2. The traditional Chinese medicine concentration system with the foam detection device according to claim 1, wherein: the photoelectric sensor is connected to the monitoring window through a bracket.
3. The traditional Chinese medicine concentration system with the foam detection device according to claim 1, wherein: the monitoring window is covered with a light shield for shading light.
4. The traditional Chinese medicine concentration system with the foam detection device according to claim 1, wherein: the vacuum valve is a proportional control valve.
5. The traditional Chinese medicine concentration system with the foam detection device according to claim 1, wherein: the lower part of the concentrator is provided with a sensor for detecting the temperature of the traditional Chinese medicine liquid in the concentrator.
6. The traditional Chinese medicine concentration system with the foam detection device according to claim 1, wherein: the heater heats the Chinese medicinal liquid to 45-85 deg.C.
7. The Chinese medicine concentration system with foam detection device according to any one of claims 1 to 6, wherein: the electric sensor comprises a light-emitting part and a light-receiving part, the number of the monitoring windows is two, the monitoring windows are distributed along the axial symmetry of the concentrator, and the light-emitting part and the light-receiving part are respectively arranged on the two monitoring windows.
8. The method for removing foam by using the Chinese medicine concentration system with the foam detection device of claim 7 comprises the following steps:
a. heating the traditional Chinese medicine liquid in the evaporator by the heater;
b. detecting foam in the concentrator by the photosensor;
c. when the light quantity received by the light receiving part in the photoelectric sensor is less than the light quantity emitted by the light emitting part, the emptying valve is closed, and the vacuum valve is partially opened or fully opened;
d. the control device records the duration of the full opening of the vacuum valve in the step c, closes the vacuum valve and fully opens the evacuation valve when the full opening time of the vacuum valve is more than 10 seconds, and repeats the step b;
e. and when the concentration of the Chinese medicinal liquid in the concentrator meets the requirement, ending the concentration process.
9. The foam eliminating method according to claim 8, wherein: in the step a, the heater heats the traditional Chinese medicine liquid in the evaporator to 45-85 ℃.
10. The foam eliminating method according to claim 8, wherein: in the step c, the opening degree of the evacuation valve when the evacuation valve is partially opened is linearly related to the ratio of the light quantity received by the light receiving part to the light quantity emitted by the light emitting part, and the calculation formula is as follows: and X =1-Y/Z, wherein X is the opening degree of the emptying valve, Y is the light quantity received by the light receiving part, and Z is the light quantity emitted by the light emitting part.
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| CN201910902781.6A CN110613944B (en) | 2019-09-24 | 2019-09-24 | Traditional Chinese medicine concentration system with foam detection device and foam elimination method |
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| CN201910902781.6A CN110613944B (en) | 2019-09-24 | 2019-09-24 | Traditional Chinese medicine concentration system with foam detection device and foam elimination method |
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| CN110613944A true CN110613944A (en) | 2019-12-27 |
| CN110613944B CN110613944B (en) | 2021-09-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502571A (en) * | 2020-05-17 | 2020-08-07 | 陈冬梅 | Gas-liquid separation device and method for multi-component chemical viscous foam |
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