CN219642120U - Automatic control system for percolation extraction of traditional Chinese medicinal materials - Google Patents
Automatic control system for percolation extraction of traditional Chinese medicinal materials Download PDFInfo
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- CN219642120U CN219642120U CN202320300252.0U CN202320300252U CN219642120U CN 219642120 U CN219642120 U CN 219642120U CN 202320300252 U CN202320300252 U CN 202320300252U CN 219642120 U CN219642120 U CN 219642120U
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- 238000005325 percolation Methods 0.000 title claims abstract description 89
- 239000000463 material Substances 0.000 title claims abstract description 59
- 238000000605 extraction Methods 0.000 title claims abstract description 23
- 239000002904 solvent Substances 0.000 claims abstract description 107
- 239000007788 liquid Substances 0.000 claims abstract description 83
- 238000003860 storage Methods 0.000 claims abstract description 56
- 238000002360 preparation method Methods 0.000 claims abstract description 32
- 239000003814 drug Substances 0.000 claims abstract description 29
- 239000012530 fluid Substances 0.000 claims description 10
- 239000004973 liquid crystal related substance Substances 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000002791 soaking Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Abstract
The utility model discloses an automatic control system for Chinese medicinal material percolation extraction, which comprises a percolation solvent preparation tank, a percolation solvent storage tank, a percolation liquid concentration tank, an automatic control metering assembly, a medicinal liquid pump assembly and an automatic control valve assembly which are connected with a PLC. The material pipelines connected with the percolating tank and the percolating solvent preparation tank, the percolating solvent storage tank and the percolating solvent preparation tank, and the percolate storage tank and the percolate concentration tank are respectively provided with an automatic control metering component, a liquid medicine pump component and an automatic control valve component; the material pipeline that this percolation tank and percolation liquid storage tank are connected is equipped with automatic control valve subassembly and gas vent, and automatic control metering subassembly. The system can realize full automation of the percolation extraction of the traditional Chinese medicinal materials, accurately control the preparation concentration and the addition amount of the percolation solvent of the traditional Chinese medicinal materials, ensure the balance between the feed amount of the percolation solvent and the discharge amount of the percolation liquid, and effectively prevent the interruption of the discharge of the percolation liquid by real-time monitoring.
Description
Technical Field
The utility model belongs to the technical field of pharmaceutical production, and particularly relates to an automatic control system for percolation extraction of traditional Chinese medicinal materials.
Background
At present, the production mode of equipment for percolating and extracting traditional Chinese medicinal materials in the pharmaceutical industry is as follows: wetting the crude crushed Chinese medicinal materials with a percolating solvent with proper concentration, fully expanding, adding into a percolating tank for multiple times, and uniformly flattening; adding a percolation solvent, and soaking the Chinese medicinal materials in the percolation solvent for 24-48 hours; after the soaking is finished, a percolating solvent feeding valve and a percolating liquid discharging valve of the percolating tank are manually opened to ensure that the percolating solvent always submerges the medicinal materials until the percolating operation of the Chinese medicinal materials is finished. In actual production, the liquid level in the percolation tank is required to be observed manually and continuously on site, the balance between the feeding amount of the percolation solvent and the discharging amount of the percolation liquid is difficult to ensure, and an automatic control system for preparing the percolation solvent, percolating and extracting the Chinese medicinal materials and concentrating the percolation liquid is lacked in the percolation and extraction process of the Chinese medicinal materials.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides an automatic control system for the percolation extraction of traditional Chinese medicinal materials, which realizes the full automation of the percolation extraction of the traditional Chinese medicinal materials, can accurately control the preparation concentration of the traditional Chinese medicinal materials, accurately control the addition amount of each stage of the percolation solvent, can ensure the balance between the feeding amount of the percolation solvent and the discharging amount of the percolation liquid, and can effectively prevent the interruption of the discharging of the percolation liquid by real-time monitoring.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
an automatic control system for percolating and extracting Chinese medicinal materials comprises a percolating solvent preparation tank, a percolating solvent storage tank, a percolating liquid concentration tank, an automatic control metering assembly, a medicinal liquid pump assembly and an automatic control valve assembly which are connected with a PLC; the percolating solvent preparation tank is respectively connected with the percolating tank and the percolating solvent storage tank, the percolating tank is respectively connected with the percolating solvent storage tank and the percolating liquid storage tank, and the percolating liquid storage tank is connected with the percolating liquid concentration tank; wherein, the liquid crystal display device comprises a liquid crystal display device,
the material pipeline connected with the percolating tank and the percolating solvent preparation tank is provided with an automatic control metering assembly, a liquid medicine pump assembly and an automatic control valve assembly; an automatic control valve component, an exhaust port and an automatic control metering component are arranged on a material pipeline connected with the percolate storage tank;
the device comprises a percolating solvent storage tank, wherein a material pipeline connected with the percolating solvent preparation tank is provided with an automatic control metering assembly, a liquid medicine pump assembly and an automatic control valve assembly; an automatic control metering assembly and an automatic control valve group are arranged on a material pipeline connected with the percolation tank;
and an automatic control metering assembly and a liquid medicine pump assembly automatic control valve assembly are arranged on a material pipeline connected with the percolate storage tank and the percolate concentration tank.
The automatic control system for the percolation extraction of the traditional Chinese medicinal materials is characterized in that the percolation tank is arranged below the percolation solvent storage tank, and the percolation liquid storage tank is arranged below the percolation tank.
The automatic control system for the percolation extraction of the traditional Chinese medicinal materials comprises a first flowmeter, a second flowmeter, a third flowmeter, a fourth flowmeter and a fifth flowmeter; the liquid medicine pump assembly comprises a first liquid medicine pump, a second liquid medicine pump and a third liquid medicine pump; the automatic control valve assembly comprises a first valve body, a second valve body, a third valve body, a fourth valve body, a fifth valve body, a sixth valve body, a seventh valve body and an eighth valve body; wherein, the liquid crystal display device comprises a liquid crystal display device,
the preparation tank of the percolating solvent is used for metering liquids with different components in the percolating solvent into the preparation tank of the percolating solvent through a first flowmeter;
an exhaust port and an eighth valve body for controlling the exhaust port are arranged between the percolation tank and the percolation liquid storage tank, and the second liquid medicine pump adds the percolation solvent in the percolation solvent preparation tank into the percolation tank through a second flowmeter; opening a third valve body, and adding the percolating solvent in the percolating solvent preparation tank into the percolating solvent storage tank through a third flowmeter by a second liquid medicine pump; opening a fourth valve body, wherein the percolating solvent in the percolating solvent storage tank flows into the percolating tank under the action of dead weight through a fourth flowmeter; simultaneously, the second valve body and the fifth valve body are opened, and percolate in the percolate tank flows into a percolate storage tank under the action of dead weight through a fifth flowmeter;
the sixth valve body and the seventh valve body are opened, and the percolate concentration tank is pumped from the percolate storage tank to the percolate concentration tank through the third liquid medicine pump.
The technical scheme provided by the method has the following beneficial effects:
the automatic control system for the percolation extraction of the traditional Chinese medicinal materials realizes the full-system automatic control from the preparation of a percolation solvent to the percolation extraction and then to the concentration of the percolation liquid in the percolation extraction process of the traditional Chinese medicinal materials through a tank body assembly, an automatic control metering assembly, a liquid medicine pump assembly and an automatic control valve assembly which are connected with a PLC (programmable logic controller) of the percolation extraction center of the traditional Chinese medicinal materials.
The automatic control metering assembly and the automatic control valve assembly can accurately control the preparation concentration of the percolating solvent, accurately control the adding amount of each stage of the percolating solvent, ensure the balance between the feeding amount of the percolating solvent and the discharging amount of the percolate, and effectively prevent the interruption of the discharging of the percolate by real-time monitoring.
The automatic control metering assembly can accurately control the mixing ratio of the percolating solvent, ensure the accurate adding amount of the percolating solvent and balance the flow rate of the percolating solvent and the flow rate of the percolating liquid through controlling the liquid flow rate by different flowmeters. The combination of the PLC logic programming automatic control method of the PLC programmable controller of the Chinese medicinal material percolation extraction center and the control of the king system can realize the full-system automatic control from the preparation of a percolation solvent to the percolation extraction and then to the concentration of the percolation liquid in the process of the Chinese medicinal material percolation extraction, and can also realize the remote automatic control operation of a computer.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
fig. 1 is a schematic structural diagram of an automatic control system for percolation extraction of Chinese medicinal materials.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear and obvious, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the claims, specification and drawings hereof, unless explicitly defined otherwise, the terms "first," "second," or "third," etc. are used for distinguishing between different objects and not for describing a particular sequential order.
In the claims, specification and drawings of the present utility model, unless explicitly defined otherwise, references to orientation or positional relationship such as the terms "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counterclockwise", etc. are based on the orientation and positional relationship shown in the drawings and are merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or element referred to must have a particular orientation or be constructed and operated in a particular orientation, nor should it be construed as limiting the particular scope of the utility model.
In the claims, specification and drawings of the present utility model, unless explicitly defined otherwise, the term "fixedly connected" or "fixedly connected" should be construed broadly, i.e. any connection between them without a displacement relationship or a relative rotation relationship, that is to say includes non-detachably fixedly connected, integrally connected and fixedly connected by other means or elements.
In the claims, specification and drawings of the present utility model, the terms "comprising," having, "and variations thereof as used herein, are intended to be" including but not limited to.
Referring now to fig. 1, a system for automatically controlling percolation extraction of Chinese medicinal materials according to the present utility model includes a PLC programmable controller of a percolation extraction center of the Chinese medicinal materials, and a percolation solvent preparation tank 100, a percolation tank 200, a percolation solvent storage tank 300, a percolation liquid storage tank 400, and a percolation liquid concentration tank 500 connected to the PLC programmable controller; the percolating tank 200 is lower than the percolating solvent storage tank 300, and the percolating liquid storage tank 400 is lower than the percolating tank 200, so that the purposes of energy conservation and environmental protection by utilizing natural downward flow of liquid are achieved. The automatic control system for the percolation extraction of the traditional Chinese medicine also comprises an automatic control metering assembly 600, a liquid medicine pump assembly 700 and an automatic control valve assembly 800 which are connected with a PLC programmable controller of a percolation extraction center of the traditional Chinese medicine. The PLC programmable controller in this embodiment adopts a platform PLC: DVP-20EH, DVP-32EH or DVP-64EH.
The percolating solvent preparing tank 100 is respectively connected with the percolating tank 200 and the percolating solvent storage tank 300 through material pipelines, the percolating tank 200 is respectively connected with the percolating solvent storage tank 300 and the percolating liquid storage tank 400 through material pipelines, and the percolating liquid storage tank 400 is connected with the percolating liquid concentrating tank 500 through material pipelines. The automatic control metering assembly 600, the medical fluid pump assembly 700 and the automatic control valve assembly 800 of the present utility model are respectively disposed on the material pipes. The automated control metering assembly 600 includes a first flow meter 610, a second flow meter 620, a third flow meter 630, a fourth flow meter 640, and a fifth flow meter 650; the medical fluid pump assembly 700 includes a first medical fluid pump 710, a second medical fluid pump 720, and a third medical fluid pump 730; the automatic control valve assembly 800 includes a first valve body 810, a second valve body 820, a third valve body 830, a fourth valve body 840, a fifth valve body 850, a sixth valve body 860, a seventh valve body 870, and an eighth valve body 880.
The utility model discloses a percolation extraction system, which is characterized in that a computer remote automatic control operation is realized by combining an automatic control method of a PLC (programmable logic controller) connected with a Chinese medicinal material percolation extraction center with a sub-control technology king Kingview control, the automatic control from the preparation of a percolation solvent to the percolation extraction to the concentration of a percolation liquid in the whole system of the percolation extraction process is precisely controlled, the preparation concentration of the percolation solvent is precisely controlled, the addition amount of each stage of the percolation solvent is precisely controlled, the balance of the feeding amount of the percolation solvent and the discharge amount of the percolation liquid is ensured, and the interruption of the discharge of the percolation liquid is effectively prevented by real-time monitoring.
Specifically, the dosage of the liquids with different components in the percolating solvent is measured by the percolating solvent preparing tank 100 according to the utility model through the first flowmeter 610 arranged on the material pipeline, and the dosage of the liquids with different components in the percolating solvent is precisely controlled by the PLC, so that the liquids with different components in the percolating solvent enter the percolating solvent preparing tank 100 according to the set quantity, and the feeding ratio of the liquids with different components in the percolating solvent preparing tank 100 is precisely controlled. Meanwhile, the liquid with different components in the percolating solvent is slowly stirred by a stirring paddle in the percolating solvent preparation tank 100 until the components are uniformly mixed, and the percolating solvent preparation is completed. In this embodiment, the different component liquids in the percolating solvent include finished ethanol and drinking water. The process avoids the need of repeatedly adding liquids with different components in the percolating solvent in the traditional preparation process, and the concentration of the percolating solvent which is expected to be obtained can be achieved through repeated sampling and measurement, and the traditional preparation process is complex in process and often causes far more preparation dosage than required dosage due to uncontrollable addition, so that unnecessary waste is caused.
The material pipeline for connecting the percolating tank 200 and the percolating solvent preparing tank 100 is provided with the first liquid medicine pump 710, the second flowmeter 620 and the first valve body 810, and the first valve body 810 and the first liquid medicine pump 710 can provide convenience for the subsequent process and the cleaning of the percolating tank 200. A second valve body 820 and an exhaust port 900 are arranged on a material pipeline connected with the percolating tank 200 and the percolating liquid storage tank 400, and the second valve body 820 is a percolating tank discharge valve. After the wetted medicinal material is injected into the percolating tank 200, the prepared percolating solvent in the percolating solvent preparation tank 100 is added into the percolating tank 200 through the second fluid pump 720 according to the set quantity of the PLC through the second fluid meter 620, and meanwhile, an eighth valve body 880 for controlling the opening and closing of the air outlet 900 is opened, the eighth valve body 880 is an air outlet valve for controlling the air outlet 900 to discharge air among powder particles, and the eighth valve body 880 is closed after the air outlet 900 is exhausted. And continuously adding the percolation solvent until the required set amount of the process is reached, combining the percolation solvent with the weight pressing blocks by using a punching plate, and ensuring that the traditional Chinese medicinal materials are immersed in the percolation solvent by adjusting the number of the weight pressing blocks so as to reach the soaking time of the traditional Chinese medicinal materials in the percolation tank 200, which is set by a Programmable Logic Controller (PLC).
The material pipeline of the utility model, which is connected with a percolating solvent storage tank 300 and a percolating solvent preparation tank 100, is provided with a second liquid medicine pump 720, a third flowmeter 630 and a third valve body 830, wherein the third valve body 830 is a percolating liquid storage tank feeding valve; a fourth flowmeter 640 and a fourth valve body 840 are arranged on a material pipeline connected with the percolating tank 200 by the percolating solvent storage tank 300, and the fourth valve body 840 is a percolating solvent storage tank discharge valve; a fifth flowmeter 650 and a fifth valve body 850 are arranged on a material pipeline connected with the percolate storage tank 400 by the percolate tank 200, and the fifth valve body 850 is a percolate storage tank feeding valve.
When the soaking time of the traditional Chinese medicine in the percolating tank 200 set by the PLC reaches the soaking time set by the PLC, the third valve 830 (the feeding valve of the percolating tank) is opened, and the second liquid medicine pump 720 adds the percolating solvent in the percolating solvent preparing tank 100 into the percolating solvent tank 300 according to the set quantity of the PLC through the third flowmeter 630.
When the soaking time of the traditional Chinese medicinal materials in the percolating tank 200 set by the PLC is reached, a fourth valve 840 (a discharging valve of the percolating solvent storage tank) is opened, and the percolating solvent in the percolating solvent storage tank 300 flows into the percolating tank 200 under the action of dead weight through a fourth flowmeter 640 according to the set quantity of the PLC; meanwhile, the PLC controls the second valve body 820 (the discharge valve of the percolating tank) and the fifth valve body 850 (the feed valve of the percolating tank) to be opened respectively, and percolate in the percolating tank 200 flows into the percolating tank 400 under the dead weight action by the fifth flowmeter 650 according to the set quantity of the PLC.
The flow rate of the percolating solvent and the flow rate of the percolating liquid are respectively controlled by a fourth flowmeter 640, a fifth flowmeter 650, a fourth valve 840 and a fifth valve 850 through a PLC (programmable logic controller) to achieve the flow rate balance of the percolating solvent and the percolating liquid, and the flow rates of the percolating solvent and the percolating liquid can be monitored in real time by utilizing an industrial computer; until the percolating operation is finished after the percolate is completely flowed into the percolate storage tank 400. The addition amount of each stage of the percolating solvent is accurately controllable under the control of the PLC, the soaking time of the traditional Chinese medicinal materials in the percolating tank 200 is accurate, the flow speed of the percolating solvent and the flow speed of the percolating liquid reach balance, and the remote real-time monitoring can effectively prevent the interruption of the discharging of the percolating liquid.
A sixth valve body 860, a third liquid medicine pump 730 and a seventh valve body 870 are arranged on a material pipeline connected with a percolate storage tank 400 and a percolate concentration tank 500; the sixth valve body 860 is a discharge valve of the percolate storage tank 400, and the seventh valve body 870 is a feed valve of the percolate concentration tank; the third charge pump 730 is disposed between the sixth valve body 860 and the seventh valve body 870. The PLC programmable controller controls the sixth valve body 860 and the seventh valve body 870 to be opened, respectively, and the percolate concentration tank 500 pumps the percolate from the percolate storage tank 400 into the percolate concentration tank 500 through the third liquid medicine pump 730. The percolate concentration tank 500 is subjected to reduced pressure concentration in a vacuum state by three-stage steam heating. According to the remote monitoring of the concentration state of the percolate, parameters such as the number of steam pressurizing sections, the temperature, the liquid level in the tank, the vacuum degree and the like of the percolate concentration tank 500 are controlled by the PLC to promote the concentration of the percolate at a lower temperature, so that the energy consumption is reduced, and the loss of active ingredients of the liquid medicine caused by high temperature is reduced.
While the foregoing description illustrates and describes the preferred embodiments of the present utility model, as noted above, it is to be understood that the utility model is not limited to the forms disclosed herein but is not to be construed as excluding other embodiments, and that various other combinations, modifications and environments are possible and may be made within the scope of the inventive concepts described herein, either by way of the foregoing teachings or by those of skill or knowledge of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.
Claims (3)
1. An automatic control system for percolating and extracting Chinese medicinal materials is characterized by comprising a percolating solvent preparation tank (100), a percolating tank (200), a percolating solvent storage tank (300), a percolating liquid storage tank (400) and a percolating liquid concentration tank (500), an automatic control metering assembly (600), a medicinal liquid pump assembly (700) and an automatic control valve assembly (800) which are connected with a PLC; the percolating solvent preparation tank (100) is respectively connected with the percolating tank (200) and the percolating solvent storage tank (300), the percolating tank (200) is respectively connected with the percolating solvent storage tank (300) and the percolating liquid storage tank (400), and the percolating liquid storage tank (400) is connected with the percolating liquid concentration tank (500); wherein, the liquid crystal display device comprises a liquid crystal display device,
the device comprises a percolation tank (200), wherein an automatic control metering assembly (600), a liquid medicine pump assembly (700) and an automatic control valve assembly (800) are arranged on a material pipeline connected with the percolation tank (200) and a percolation solvent preparation tank (100); an automatic control valve assembly (800) and an exhaust port (900) and an automatic control metering assembly (600) are arranged on a material pipeline connected with the percolating tank (200) and the percolating liquid storage tank (400);
the device comprises a percolating solvent storage tank (300), wherein an automatic control metering assembly (600), a liquid medicine pump assembly (700) and an automatic control valve assembly (800) are arranged on a material pipeline connected with the percolating solvent storage tank (300) and a percolating solvent preparation tank (100); an automatic control metering assembly (600) and an automatic control valve assembly (800) are arranged on a material pipeline connected with the percolation tank (200) by the percolation solvent storage tank (300);
and a material pipeline connected with the percolate storage tank (400) and the percolate concentration tank (500) is provided with a liquid medicine pump assembly (700) and an automatic control valve assembly (800).
2. The automatic control system for percolation extraction of Chinese medicinal materials according to claim 1, wherein the percolation tank (200) is lower than the percolation solvent tank (300), and the percolation tank (400) is lower than the percolation tank (200).
3. The automatic control system for percolation extraction of Chinese medicinal materials according to claim 1 or 2, wherein said automatic control and metering assembly (600) comprises a first flowmeter (610), a second flowmeter (620), a third flowmeter (630), a fourth flowmeter (640) and a fifth flowmeter (650); the medical fluid pump assembly (700) comprises a second medical fluid pump (720) and a third medical fluid pump (730); the automatic control valve assembly (800) includes a third valve body (830), a fourth valve body (840), a fifth valve body (850), a sixth valve body (860), a seventh valve body (870), and an eighth valve body (880); wherein, the liquid crystal display device comprises a liquid crystal display device,
the percolating solvent preparing tank (100) is used for metering different component liquids in the percolating solvent into the percolating solvent preparing tank (100) through a first flowmeter (610);
an exhaust port (900) and an eighth valve body (880) for controlling the exhaust port (900) are arranged between the percolation tank (200) and the percolation liquid storage tank (400); a second liquid medicine pump (720) adds the percolating solvent in the percolating solvent preparation tank (100) into the percolating tank (200) through a second flowmeter (620); opening a third valve body (830), and adding the percolating solvent in the percolating solvent preparation tank (100) into the percolating solvent storage tank (300) through a third flowmeter (630) by a second liquid medicine pump (720); opening a fourth valve body (840), wherein the percolating solvent in the percolating solvent storage tank (300) flows into the percolating tank (200) under the action of dead weight through a fourth flowmeter (640); simultaneously, the second valve body (820) and the fifth valve body (850) are opened, and the percolate in the percolate tank (200) flows into the percolate storage tank (400) under the action of dead weight through the fifth flowmeter (650); the sixth valve body (860) and the seventh valve body (870) are opened, and the percolate concentration tank (500) is pumped from the percolate storage tank (400) into the percolate concentration tank (500) by the third liquid medicine pump (730).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320300252.0U CN219642120U (en) | 2023-02-23 | 2023-02-23 | Automatic control system for percolation extraction of traditional Chinese medicinal materials |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320300252.0U CN219642120U (en) | 2023-02-23 | 2023-02-23 | Automatic control system for percolation extraction of traditional Chinese medicinal materials |
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| Publication Number | Publication Date |
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| CN219642120U true CN219642120U (en) | 2023-09-05 |
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| CN202320300252.0U Active CN219642120U (en) | 2023-02-23 | 2023-02-23 | Automatic control system for percolation extraction of traditional Chinese medicinal materials |
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| Country | Link |
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| CN (1) | CN219642120U (en) |
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