Traditional Chinese medicine alcohol precipitation device

Abstract

The utility model relates to a traditional Chinese medicine alcohol precipitation device which comprises an alcohol precipitation tank, an ethanol tank and a controller electrically connected with the alcohol precipitation tank and the ethanol tank, a stirring device is arranged in the alcohol precipitation tank, stirring blades are arranged on a stirring rod of the stirring device, and the stirring device is driven by a stirring motor arranged in the center of the top of the alcohol precipitation tank; a chilled water jacket sleeves the periphery of the alcohol precipitation tank, and chilled water is introduced into the chilled water jacket, so that the internal temperature of the alcohol precipitation tank is adjusted; a main liquid inlet pipeline is arranged above the alcohol precipitation tank; a liquid medicine outlet accommodating liquid medicine output pipeline is arranged on the right side of the top of the alcohol precipitation tank; the ethanol tanks comprise a low-concentration ethanol tank and a high-concentration ethanol tank, and the two ethanol tanks are connected with the main liquid inlet pipeline through a first ethanol outlet pipeline and a second ethanol outlet pipeline respectively. The alcohol precipitation tank, the ethanol tank and the controller are linked, so that integrated control in the alcohol precipitation process of the liquid medicine is realized. Meanwhile, a chilled water jacket is arranged on the periphery of the alcohol precipitation tank, so that the temperature in the alcohol precipitation tank is accurately controlled. Therefore, the production efficiency is improved, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of traditional Chinese medicine extraction, in particular to a traditional Chinese medicine alcohol precipitation device. Background Art

[0002] In the prior art, during the alcohol precipitation process of adding ethanol to the traditional Chinese medicine extract, due to the difference in density between different batches of the medicine solution to be precipitated, and the relatively high degree of manual intervention in the concentration and speed of the added ethanol, under the same process conditions, it is easy to lose the content of the effective ingredient in the medicine solution due to the instantaneous increase in the local ethanol concentration, which will make the impurities with greater polarity fail to be effectively precipitated, thereby resulting in large differences between batches, reduced product quality stability, and a corresponding increase in the production cost, which has a greater impact on the company's benefits.

[0003] In addition, the traditional cleaning method of alcohol precipitation tanks cannot completely guarantee thorough and effective cleaning. If the cleaning is not thorough, the product quality of injectable dosage forms will be reduced, and the quality risk is relatively high. Utility Model Content

[0004] The utility model aims to provide a Chinese medicine alcohol precipitation device, which solves the problem that the parameters involved in the alcohol precipitation process cannot be accurately controlled in the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The first aspect of the utility model provides a Chinese medicine alcohol precipitation device, comprising an alcohol precipitation tank, an ethanol tank, and a controller electrically connected to the alcohol precipitation tank and the ethanol tank; a stirring device is arranged in the alcohol precipitation tank, a stirring rod of the stirring device is provided with a stirring blade, and the stirring device is driven by a stirring motor arranged at the top center of the alcohol precipitation tank;

[0007] The outer peripheral sleeve of the alcohol precipitation tank is provided with a chilled water jacket, and the internal temperature of the alcohol precipitation tank is adjusted by passing chilled water into the chilled water jacket;

[0008] A total liquid inlet pipeline is arranged above the alcohol precipitation tank; a liquid medicine outlet is arranged on the right side of the top of the alcohol precipitation tank, and the liquid medicine outlet is used to accommodate a liquid medicine output pipeline;

[0009] The ethanol tank comprises a low-concentration ethanol tank and a high-concentration ethanol tank, and the low-concentration ethanol tank and the high-concentration ethanol tank are connected to the total liquid inlet pipe through a first ethanol liquid outlet pipe and a second ethanol liquid outlet pipe, respectively.

[0010] Furthermore, fixed support rods are provided on both sides of the bottom end of the stirring device, and the fixed support rods are used to fix and support the stirring device so that the stirring is carried out stably.

[0011] Furthermore, one end of the liquid medicine output pipe extends to near the bottom of the alcohol precipitation tank, and the end of the liquid medicine output pipe is configured as an elbow bent toward the center of the bottom of the alcohol precipitation tank.

[0012] Furthermore, the height of the liquid medicine output pipe can be raised or lowered.

[0013] Furthermore, a traditional Chinese medicine liquid inlet pipeline is connected to the main liquid inlet pipeline, and a liquid medicine flow meter and a liquid medicine inlet valve are sequentially arranged on the traditional Chinese medicine liquid inlet pipeline along the flow direction of the liquid medicine; the liquid medicine flow meter is used to monitor the real-time flow rate of the liquid medicine entering the alcohol precipitation tank; the liquid medicine inlet valve is used to control the on and off of the liquid medicine.

[0014] Furthermore, a cleaning pipe is connected to the main liquid inlet pipe, and the cleaning pipe is connected to a spray cleaning device arranged on the right side of the top of the alcohol precipitation tank. A cleaning valve is arranged on the cleaning pipe, and the cleaning valve is used to control the start and stop of the cleaning action inside the alcohol precipitation tank.

[0015] Furthermore, an alcohol precipitation tank pressure detector is provided on the main liquid inlet pipeline, and the alcohol precipitation tank pressure detector is used to monitor the real-time pressure in the alcohol precipitation tank.

[0016] Furthermore, the main liquid inlet pipeline is also connected to a first nitrogen sealing pipeline, and the first nitrogen sealing pipeline is used to seal the alcohol precipitation tank to ensure that the alcohol precipitation reaction proceeds stably.

[0017] Furthermore, a steam delivery pipeline is connected to the chilled water jacket at the upper left end of the alcohol precipitation tank, and a steam control valve and a jacket pressure detector are provided on the steam delivery pipeline. The jacket pressure detector is used to detect the pressure in the chilled water jacket, and the steam control valve and the jacket pressure detector are interlocked.

[0018] Furthermore, a chilled water inlet is provided at the chilled water jacket at the left bottom end of the alcohol precipitation tank, the chilled water inlet is connected to a chilled water inlet pipe, and a jacket-connected chilled water valve is provided on the chilled water inlet pipe.

[0019] Furthermore, a chilled water outlet is provided at the chilled water jacket at the upper right end of the alcohol precipitation tank, the chilled water outlet is connected to a chilled water outlet pipe, and a jacket return chilled water valve is arranged on the chilled water outlet pipe.

[0020] Furthermore, the front end of the jacket return chilled water valve is connected to a chilled water return pipe, the other end of the chilled water return pipe is connected to the valve of the jacket through chilled water valve, the chilled water return pipe is communicated with the chilled water inlet pipe, and the chilled water return pipe is used to return the chilled water to the chilled water jacket; the chilled water return pipe is provided with a chilled water return valve;

[0021] The rear end of the jacket return chilled water valve is connected with a jacket compressed air pipeline, and the jacket compressed air pipeline is provided with a jacket compressed air valve.

[0022] Furthermore, a jacket steam drain port is opened at the chilled water jacket at the right bottom end of the alcohol precipitation tank, and the jacket steam drain port is connected to a jacket steam drain pipe, and a jacket steam drain valve is arranged on the jacket steam drain pipe, and the jacket steam drain pipe is used to discharge condensed water generated inside the jacket.

[0023] Furthermore, a first temperature detector is provided at the chilled water jacket at the lower right end of the alcohol precipitation tank, and the first temperature detector is used to monitor the real-time temperature in the chilled water jacket;

[0024] A second temperature detector is provided at the lower right end of the alcohol precipitation tank without a jacket, and the second temperature detector is used to monitor the real-time temperature in the alcohol precipitation tank.

[0025] Furthermore, a slag outlet is provided at the center of the bottom of the alcohol precipitation tank, the slag outlet is connected to a slag outlet pipe, a slag outlet valve is provided on the slag outlet pipe, a hose is connected to the lower end of the slag outlet valve, and the hose is connected to the alcohol slag collection bag;

[0026] A cleaning and sewage discharge pipe is connected to the side of the slag outlet, and an alcohol precipitation tank cleaning and sewage discharge valve is arranged on the cleaning and sewage discharge pipe.

[0027] Furthermore, a first ethanol inlet pipe and a second ethanol inlet pipe are respectively provided on the left side of the top end of the low-concentration ethanol tank and the high-concentration ethanol tank, the first ethanol inlet pipe and the second ethanol inlet pipe extend to the bottom of the corresponding ethanol tank, and a first ethanol inlet valve and a second ethanol inlet valve are respectively provided on the first ethanol inlet pipe and the second ethanol inlet pipe.

[0028] Furthermore, a first ethanol tank level gauge and a second ethanol tank level gauge for monitoring ethanol liquid levels in the corresponding ethanol tanks are respectively provided on the left side walls of the tank bodies of the low-concentration ethanol tank and the high-concentration ethanol tank.

[0029] Furthermore, a first exhaust pipe and a second nitrogen sealing pipe are arranged on the right side of the top of the tank body of the low-concentration ethanol tank; a second exhaust pipe and a third nitrogen sealing pipe are arranged on the right side of the top of the tank body of the high-concentration ethanol tank.

[0030] Furthermore, a first ethanol outlet valve, a first ethanol delivery pump and a first post-pump ethanol outlet valve are sequentially arranged on the first ethanol outlet pipeline along the ethanol flow direction.

[0031] Furthermore, a second ethanol outlet valve, a second ethanol delivery pump and a second post-pump ethanol outlet valve are sequentially arranged on the second ethanol outlet pipeline along the ethanol flow direction.

[0032] Furthermore, a first post-pump ethanol circulation valve is arranged in parallel after the pump of the first ethanol delivery pump and before the valve of the first post-pump ethanol outlet valve. The first post-pump ethanol circulation valve is connected to the valve after the first ethanol inlet valve, and the first post-pump ethanol circulation valve is connected to the first ethanol inlet pipeline.

[0033] Furthermore, a second post-pump ethanol circulation valve is arranged in parallel after the pump of the second ethanol delivery pump and before the valve of the second post-pump ethanol outlet valve. The second post-pump ethanol circulation valve is connected to the valve after the second ethanol inlet valve, and the second post-pump ethanol circulation valve is connected to the second ethanol inlet pipeline.

[0034] Furthermore, an ethanol flow meter and an ethanol outlet main valve are sequentially arranged along the liquid flow direction before the connection between the first ethanol outlet pipe and the second ethanol outlet pipe and the main liquid inlet pipe.

[0035] Furthermore, the first ethanol liquid outlet pipe and the second ethanol liquid outlet pipe are respectively provided with a first ethanol liquid outlet valve of the alcohol precipitation tank and a second ethanol liquid outlet valve of the alcohol precipitation tank at their ends along the ethanol flow direction.

[0036] Furthermore, a first ethanol concentration detector and a second ethanol concentration detector are respectively provided inside the low-concentration ethanol tank and the high-concentration ethanol tank, and the first ethanol concentration detector and the second ethanol concentration detector are used to monitor the real-time concentration of ethanol in the corresponding ethanol tank.

[0037] Furthermore, the low-concentration ethanol tank and the high-concentration ethanol tank are respectively provided with a first sewage outlet and a second sewage outlet at the bottom, the first sewage outlet and the second sewage outlet are respectively connected to a first sewage pipe and a second sewage pipe, and the first sewage pipe and the second sewage pipe are respectively provided with a first sewage valve and a second sewage valve.

[0038] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0039] The utility model discloses a Chinese medicine alcohol precipitation device. When the Chinese medicine is alcohol precipitated, the alcohol precipitation tank, ethanol tank and controller are linked to realize integrated control of the alcohol precipitation process of the medicine liquid. At the same time, a chilled water jacket is arranged on the periphery of the alcohol precipitation tank to realize accurate control of the internal temperature of the alcohol precipitation tank. This improves production efficiency, reduces production costs, reduces batch differences, reduces defective rates, improves quality stability, and makes the medicine output meet the requirements of pharmaceutical production. At the same time, integrated control can avoid the occurrence of safety accidents and significantly improve the production efficiency of the enterprise. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Hereinafter, some specific embodiments of the present invention will be described in detail in an exemplary and non-limiting manner with reference to the accompanying drawings. The same reference numerals in the accompanying drawings indicate the same or similar components or parts. It should be understood by those skilled in the art that these drawings are not necessarily drawn to scale. In the accompanying drawings:

[0041] Figure 1 This is a device diagram of a Chinese medicine alcohol precipitation device provided by the utility model;

[0042] The reference numerals are described as follows:

[0043] 1. Alcohol precipitation tank; 2. Stirring device; 201. Stirring blade; 202. Stirring motor; 3. Chilled water jacket; 4. Total liquid inlet pipeline; 5. Liquid medicine output pipeline; 501. Liquid medicine outlet; 6. Chinese medicine liquid inlet pipeline; 601. Liquid medicine flow meter; 602. Liquid medicine inlet valve; 7. Cleaning pipeline; 701. Spray cleaning device; 702. Cleaning valve; 8. Alcohol precipitation tank pressure detector; 9. Steam delivery pipeline; 901. Steam regulating valve; 902. Jacket pressure detector; 10. Chilled water inlet pipeline; 1001. Chilled water inlet; 1002. Jacket chilled water valve; 11. Chilled water Outlet pipe; 1101, chilled water outlet; 1102, jacket return chilled water valve; 12, jacket compressed air pipe; 1201, jacket compressed air valve; 13, chilled water return pipe; 1301, chilled water return valve; 14, jacket steam drain pipe; 1401, jacket steam drain port; 1402, jacket steam drain valve; 15, first temperature detector; 16, second temperature detector; 17, slag discharge pipe; 1701, slag discharge port; 1702, slag discharge valve; 18, cleaning and drainage pipe; 1801, alcohol precipitation tank cleaning and drainage valve; 19, low concentration ethanol tank; 20, high concentration ethanol tank ethanol tank; 21, first ethanol inlet pipeline; 2101, first ethanol inlet valve; 22, second ethanol inlet pipeline; 2201, second ethanol inlet valve; 23, first ethanol tank level gauge; 24, second ethanol tank level gauge; 25, first ethanol outlet pipeline; 2501, first ethanol outlet valve; 2502, first ethanol delivery pump; 2503, ethanol outlet valve after first pump; 2504, ethanol circulation valve after first pump; 26, second ethanol outlet pipeline; 2601, second ethanol outlet valve; 2602, second ethanol delivery pump; 2603, ethanol outlet valve after second pump; 2604, The ethanol circulation valve after the second pump; 27, ethanol flowmeter; 28, ethanol outlet main valve; 29, the first ethanol concentration detector; 30, the second ethanol concentration detector; 31, the first sewage pipe; 3101, the first sewage outlet; 3102, the first sewage valve; 32, the second sewage pipe; 3201, the second sewage outlet; 3202, the second sewage valve; 33, the fixed support rod; 34, the first nitrogen sealing pipe; 35, the first exhaust pipe; 36, the second nitrogen sealing pipe; 37, the second exhaust pipe; 38, the third nitrogen sealing pipe; 39, the first ethanol outlet valve of the alcohol precipitation tank; 40, the second ethanol outlet valve of the alcohol precipitation tank. DETAILED DESCRIPTION

[0044] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0045] See also Figure 1 The utility model provides a Chinese medicine alcohol precipitation device, comprising an alcohol precipitation tank 1, a low-concentration ethanol tank 19, a high-concentration ethanol tank 20, and a controller (not shown in the figure) electrically connected to the alcohol precipitation tank 1, the low-concentration ethanol tank 19 and the high-concentration ethanol tank 20.

[0046] A stirring device 2 is provided in the alcohol precipitation tank 1, and the stirring device 2 is driven by a stirring motor 202 provided at the top center of the alcohol precipitation tank 1, and a stirring blade 201 is provided on the stirring rod of the stirring device 2, so that when the alcohol precipitation of the traditional Chinese medicine is performed, the medicinal liquid and the ethanol solution can be mixed evenly and fully, and of course it is also beneficial to clean the inside of the alcohol precipitation tank 1 more fully and thoroughly. Fixed support rods 33 are also fixedly connected to both sides of the bottom end of the stirring device 2, which are used to fix and support the stirring device 2 to ensure that the stirring device 2 operates stably when it is working.

[0047] A chilled water jacket 3 is provided on the outer wall of the alcohol precipitation tank 1 , and a closed space enclosed between the alcohol precipitation tank 1 and the chilled water jacket 3 is used to pass chilled water, thereby adjusting the internal temperature of the alcohol precipitation tank 1 .

[0048] A total liquid inlet pipe 4 is provided above the alcohol precipitation tank 1, and the total liquid inlet pipe 4 is connected to a plurality of different liquid inlet pipes, and is used to introduce liquid medicine, ethanol, washing liquid, etc. into the alcohol precipitation tank 1. A liquid medicine outlet 501 is provided on the top right side of the alcohol precipitation tank 1, and the liquid medicine outlet 501 can accommodate the liquid medicine output pipe 5 to pass through, and the pipe is extended to the bottom of the alcohol precipitation tank 1.

[0049] In addition, the end of the liquid medicine output pipe 5 is set to be an elbow bent toward the center of the bottom of the alcohol precipitation tank, and the liquid medicine output pipe 5 can be adjusted up and down, thereby adjusting the depth of the liquid medicine output pipe 5 according to the liquid level in the alcohol precipitation tank 1. And the design of the elbow is more conducive to leading the liquid medicine out of the alcohol precipitation tank 1.

[0050] The bottom centers of the low-concentration ethanol tank 19 and the high-concentration ethanol tank 20 are respectively connected with a first ethanol liquid outlet pipe 25 and a second ethanol liquid outlet pipe 26 . The above-mentioned ethanol tanks are connected to the main liquid inlet pipe 4 through their respective connected liquid outlet pipes, and then supply liquid to the alcohol precipitation tank 1 .

[0051] The main liquid inlet pipeline 4 is also connected to a Chinese medicine liquid inlet pipeline 6, on which a liquid flow meter 601 and a liquid inlet valve 602 are arranged in sequence along the flow direction of the liquid medicine. The Chinese medicine liquid is introduced into the alcohol precipitation tank 1 from here, and the flow rate of the liquid medicine can be monitored in real time during the introduction.

[0052] The total liquid inlet pipeline 4 is also connected with a cleaning pipeline 7, which is used to pass washing liquid into the alcohol precipitation tank 1. When the alcohol precipitation tank 1 is in standby or rest mode, the corresponding washing liquid can be passed into the tank according to actual needs, thereby flushing the scale in the tank to ensure the steady progress of the subsequent alcohol precipitation process. And the cleaning pipeline 7 is connected to the spray cleaning device 701 arranged on the right side of the top of the alcohol precipitation tank 1. Using spray cleaning, the inside of the alcohol precipitation tank 1 can be fully and evenly cleaned to ensure thorough cleaning, and residual dirt is avoided to affect the use effect of the alcohol precipitation tank 1. Regular use of the spray cleaning device 701 can prevent dirt accumulation, extend the service life of the equipment, and reduce maintenance costs.

[0053] The main liquid inlet pipeline 4 is also connected to a first nitrogen sealing pipeline 34, which is used to fill the alcohol precipitation tank 1 with inert medium nitrogen to maintain the alcohol precipitation reaction in the tank body to proceed stably.

[0054] In addition, a steam delivery pipeline 9 is connected to the cooling water jacket 3 at the upper left end of the alcohol precipitation tank 1. A steam regulating valve 901 and a jacket pressure detector 902 are provided on the pipeline, and the steam regulating valve 901 and the jacket pressure detector 902 are interlocked. The pressure in the jacket is monitored in real time by using the jacket pressure and the detector 902. According to the obtained pressure value, it is determined whether it is necessary to pass corresponding steam into the jacket to adjust the pressure in the jacket.

[0055] A chilled water inlet 1001 is provided at the chilled water jacket 3 at the bottom left of the alcohol precipitation tank 1, and the chilled water inlet 1001 is connected to the chilled water inlet pipe 10, and a jacket through chilled water valve 1002 is provided on the pipe 10. Similarly, a chilled water outlet 1101 is provided at the chilled water jacket 3 at the upper right of the alcohol precipitation tank 1, and the chilled water outlet 1101 is connected to the chilled water outlet pipe 11, and a jacket return chilled water valve 1102 is arranged on the pipe.

[0056] In addition, the front end of the above-mentioned jacket return chilled water valve 1102 is also connected to a chilled water return pipe 13, and the other end of the chilled water return pipe 13 is connected to the valve of the jacket through chilled water valve 1002, thereby connecting the chilled water return pipe 13 with the chilled water inlet pipe 10, and a chilled water return valve 1301 is arranged on the chilled water return pipe 13; the rear end of the jacket return chilled water valve 1102 is also connected to a jacket through compressed air pipe 12, and a jacket through compressed air valve 1201 is synchronously arranged on the pipe.

[0057] A jacket steam drain port 1401 is provided at the chilled water jacket 3 at the right bottom end of the alcohol precipitation tank 1. The jacket steam drain port 1401 is connected to a jacket steam drain pipe 14. A jacket steam drain valve 1402 is also provided on the jacket steam drain pipe 14. The jacket steam drain pipe 14 is provided to discharge the condensed water generated inside the jacket.

[0058] In this embodiment, a first temperature detector 15 is provided at the chilled water jacket 3 at the lower right end of the alcohol precipitation tank 1 for monitoring the real-time temperature inside the chilled water jacket 3; a second temperature detector 16 is provided at the jacketless portion at the lower right end of the alcohol precipitation tank 1 for monitoring the real-time temperature inside the alcohol precipitation tank 1.

[0059] A slag outlet 1701 is provided at the bottom center of the alcohol precipitation tank 1, and the slag outlet 1701 is connected to the slag outlet pipeline 17, on which a slag outlet valve 1702 is provided, and the lower end of the slag outlet valve 1702 is connected to a hose, which is connected to an alcohol precipitation collection bag to collect the reaction residue after alcohol precipitation; a cleaning sewage pipeline 18 is also connected to the side of the slag outlet 1701, and an alcohol precipitation tank cleaning sewage valve 1801 is synchronously provided on the pipeline for discharging the washing liquid of the alcohol precipitation tank 1 out of the tank body.

[0060] As for the ethanol tank part, as a device for supplying ethanol solution, the operator can arrange ethanol tanks of different concentrations according to actual needs. In this embodiment, a first ethanol liquid inlet pipeline 21 and a second ethanol liquid inlet pipeline 22 are respectively opened on the left side of the top of the corresponding low-concentration ethanol tank 19 and the high-concentration ethanol tank 20, and the first ethanol liquid inlet pipeline 21 and the second ethanol liquid inlet pipeline 22 extend to the bottom of the corresponding ethanol tank, and the first ethanol liquid inlet pipeline 21 and the second ethanol liquid inlet pipeline 22 are respectively provided with a first ethanol liquid inlet valve 2101 and a second ethanol liquid inlet valve 2201. When ethanol liquid replenishment is required, the pipeline of the corresponding ethanol tank can be opened to replenish the ethanol liquid into the ethanol tank.

[0061] In this embodiment, a first ethanol tank level gauge 23 and a second ethanol tank level gauge 24 for monitoring the ethanol liquid levels in the corresponding ethanol tanks are respectively provided on the left side walls of the tank bodies of the low-concentration ethanol tank 19 and the high-concentration ethanol tank 20, thereby determining whether it is necessary to replenish the corresponding ethanol tanks with liquid.

[0062] The first ethanol outlet pipe 25 is provided with a first ethanol outlet valve 2501, a first ethanol delivery pump 2502 and a first pump rear ethanol outlet valve 2503 in sequence along the ethanol flow direction; similarly, the second ethanol outlet pipe 26 is provided with a second ethanol outlet valve 2601, a second ethanol delivery pump 2602 and a second pump rear ethanol outlet valve 2603 in sequence along the ethanol flow direction, thereby controlling the flow rate of ethanol flowing out of the tank.

[0063] Preferably, in this embodiment, a first pump ethanol circulation valve 2504 is also provided in parallel after the first ethanol delivery pump 2502 and before the valve of the first pump ethanol outlet valve 2503, the first pump ethanol circulation valve 2504 is connected to the valve of the first ethanol inlet valve 2101, and the first pump ethanol circulation valve 2504 is communicated with the first ethanol inlet pipeline 21; similarly, a second pump ethanol circulation valve 2604 is also provided in parallel after the second ethanol delivery pump 2602 and before the valve of the second pump ethanol outlet valve 2603, the second pump ethanol circulation valve 2604 is connected to the valve of the second ethanol inlet valve 2201, and the second pump ethanol circulation valve 2604 is communicated with the second ethanol inlet pipeline 22. In this way, ethanol can be recycled into the tank for resource saving.

[0064] In addition, an ethanol flow meter 27 and an ethanol outlet main valve 28 are sequentially arranged along the liquid flow direction before the connection between the first ethanol outlet pipe 25 and the second ethanol outlet pipe 26 and the main inlet pipe 4. A first ethanol outlet valve 39 and a second ethanol outlet valve 40 of the alcohol precipitation tank are also respectively arranged at the ends of the first ethanol outlet pipe 25 and the second ethanol outlet pipe 26 along the ethanol flow direction.

[0065] A first ethanol concentration detector 29 and a second ethanol concentration detector 30 are respectively provided inside the low-concentration ethanol tank 19 and the high-concentration ethanol tank 20. The first ethanol concentration detector 29 and the second ethanol concentration detector 30 are used to monitor the real-time concentration of ethanol in the corresponding ethanol tanks.

[0066] A first sewage outlet 3101 and a second sewage outlet 3201 are respectively provided at the bottom of the low-concentration ethanol tank 19 and the high-concentration ethanol tank 20. The first sewage outlet 3101 and the second sewage outlet 3201 are respectively connected to a first sewage pipe 31 and a second sewage pipe 32. The first sewage pipe 31 and the second sewage pipe 32 are respectively provided with a first sewage valve 3102 and a second sewage valve 3202.

[0067] A first exhaust pipe 35 and a second nitrogen sealing pipe 36 are arranged on the right side of the top of the low-concentration ethanol tank 19; a second exhaust pipe 37 and a third nitrogen sealing pipe 38 are also arranged on the right side of the top of the high-concentration ethanol tank 20. By arranging the exhaust pipe and the nitrogen sealing pipe, the system balance in the ethanol tank is maintained.

[0068] In combination with the above-mentioned Chinese medicine alcohol precipitation device, in the actual operation control in this embodiment, it is specifically divided into the following processes:

[0069] (1) Liquid inlet stage

[0070] After the operator sets the process parameters, he opens the liquid inlet valve 602, introduces the liquid into the alcohol precipitation tank 1, and monitors the liquid flow rate in real time. The process parameters include the required low-concentration ethanol flow rate and high-concentration ethanol flow rate.

[0071] (2) Liquid cooling stage

[0072] Start the stirring device 2, open the jacket chilled water valve 1002 and the jacket chilled water return valve 1102 at the same time, monitor the real-time temperature in the jacket through the first temperature detector 15, and introduce chilled water into the jacket until the temperature in the alcohol precipitation tank 1 monitored by the second temperature detector 16 reaches the process requirement.

[0073] (3) Ethanol liquid supply stage

[0074] The first ethanol liquid outlet valve 39 and the ethanol liquid outlet main valve 28 of the alcohol precipitation tank are opened, and the opening of the ethanol liquid outlet main valve 28 is adjusted according to the liquid supply flow rate monitored by the set liquid flow meter 601. When the flow rate required by the process is reached, the first ethanol liquid outlet valve 39 of the alcohol precipitation tank is closed; then the second ethanol liquid outlet valve 40 of the alcohol precipitation tank is opened, and the opening of the ethanol liquid outlet main valve 28 is adjusted according to the liquid supply flow rate monitored by the liquid flow meter 601. Synchronously, the ethanol liquid outlet valve 2503 after the first pump and the ethanol liquid outlet valve 2603 after the second pump are opened, and the ethanol liquid level in the corresponding ethanol tank is monitored in real time through the first ethanol tank level gauge 23 and the second ethanol tank level gauge 24. When the monitored ethanol liquid level is too low to meet the process requirements, the first ethanol delivery pump 2502 and the second ethanol delivery pump 2602 are closed, and ethanol is added to the ethanol tank synchronously. When the amount of ethanol supplied reaches the flow rate required by the process, the second ethanol liquid outlet valve 40 of the alcohol precipitation tank and the ethanol liquid outlet main valve 28 are closed.

[0075] (4) Refrigeration stage

[0076] The stirring device 2 is turned off, and the jacket chilled water valve 1002 is interlocked with the second temperature detector 16. The jacket chilled water valve 1002 is opened and closed according to the real-time temperature in the alcohol precipitation tank 1 monitored by the second temperature detector 16.

[0077] After the refrigeration is completed, the jacket through chilled water valve 1002 and the jacket return chilled water valve 1102 are closed, and the jacket through compressed air valve 1201 and the chilled water return valve 1301 are opened synchronously. After the process setting time is reached, the chilled water return valve 1301 is closed.

[0078] (5) Liquid discharge stage and slag discharge stage

[0079] The alcohol-precipitated drug solution is led out of the alcohol precipitation tank 1 through the drug solution output pipeline 5 ; the slag discharge valve 1702 is opened simultaneously to discharge the alcohol precipitation slag in the alcohol precipitation tank 1 out of the alcohol precipitation tank 1 .

[0080] (6) First cleaning stage

[0081] Open the cleaning valve 702 and the alcohol precipitation tank cleaning and drain valve 1801. After the cleaning time required by the process is reached, close the cleaning valve 702 and the alcohol precipitation tank cleaning and drain valve 1801.

[0082] (7) Second cleaning stage

[0083] Open the cleaning valve 702, and after the cleaning liquid is added to the flow rate of the cleaning liquid required by the process, close the cleaning valve 702, and at the same time open the jacket steam drain valve 1402 and the steam regulating valve 901, and form an interlock with the second temperature detector 16 to heat and disinfect the alcohol precipitation tank 1.

[0084] (8) Washing liquid discharge stage

[0085] Open the alcohol precipitation tank cleaning drain valve 1801 to discharge the washing liquid from the tank.

[0086] In addition, the liquid inlet stage also includes replenishing the ethanol tank 1 and monitoring the liquid level. Specifically, before adding ethanol to the alcohol precipitation tank 1, the first ethanol inlet valve 2101 and the second ethanol inlet valve 2201 are opened, and the first ethanol tank level gauge 23 and the second ethanol tank level gauge 24 are simultaneously opened to monitor the ethanol liquid level in the corresponding ethanol tank in real time. When the monitored ethanol liquid level reaches the target liquid level, the first ethanol inlet valve 2101 and the second ethanol inlet valve 2201 are closed. Subsequently, the ethanol circulation valve 2504 after the first pump and the ethanol circulation valve 2604 after the second pump are opened, and the first ethanol delivery pump 2502 and the second ethanol delivery pump 2602 are simultaneously opened to form a self-circulation in the ethanol tank. When the first ethanol concentration detector 29 and the second ethanol concentration detector 30 detect that the ethanol in the corresponding tank body is evenly mixed (that is, the concentration is consistent at various places in the tank body), the ethanol circulation valve 2504 after the first pump and the ethanol circulation valve 2604 after the second pump are closed.

[0087] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with this technology to understand the content of the utility model and implement it accordingly. They cannot be used to limit the protection scope of the utility model. All equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A Chinese medicine alcohol precipitation device, characterized in that: include: An alcohol precipitation tank (1), an ethanol tank, and a controller electrically connected to the alcohol precipitation tank (1) and the ethanol tank; The alcohol precipitation tank (1) is provided with a stirring device (2), a stirring rod of the stirring device (2) is provided with a stirring blade (201), and the stirring device (2) is driven by a stirring motor (202) provided at the top center of the alcohol precipitation tank (1); The outer periphery of the alcohol precipitation tank (1) is provided with a chilled water jacket (3), and the internal temperature of the alcohol precipitation tank (1) is adjusted by passing chilled water into the chilled water jacket (3); A main liquid inlet pipeline (4) is arranged above the alcohol precipitation tank (1); a liquid medicine outlet (501) is arranged on the right side of the top of the alcohol precipitation tank (1), and the liquid medicine outlet (501) is used to accommodate a liquid medicine output pipeline (5); The ethanol tank comprises a low-concentration ethanol tank (19) and a high-concentration ethanol tank (20), and the low-concentration ethanol tank (19) and the high-concentration ethanol tank (20) are connected to the main liquid inlet pipeline (4) via a first ethanol liquid outlet pipeline (25) and a second ethanol liquid outlet pipeline (26), respectively.

2. A Chinese medicine alcohol precipitation device according to claim 1, characterized in that: The main liquid inlet pipeline (4) is connected to a traditional Chinese medicine liquid inlet pipeline (6), and a liquid medicine flow meter (601) and a liquid medicine inlet valve (602) are sequentially arranged on the traditional Chinese medicine liquid inlet pipeline (6) along the liquid medicine flow direction.

3. A Chinese medicine alcohol precipitation device according to claim 1, characterized in that: The main liquid inlet pipeline (4) is also connected to a cleaning pipeline (7), the cleaning pipeline (7) is connected to a spray cleaning device (701) arranged on the right side of the top end of the alcohol precipitation tank (1), and a cleaning valve (702) is arranged on the cleaning pipeline (7).

4. A Chinese medicine alcohol precipitation device according to claim 1, characterized in that: A steam delivery pipeline (9) is connected to the chilled water jacket (3) at the upper left end of the alcohol precipitation tank (1). A steam flow regulating valve (901) and a jacket pressure detector (902) are provided on the steam delivery pipeline (9). The steam flow regulating valve (901) and the jacket pressure detector (902) are interlocked.

5. A Chinese medicine alcohol precipitation device according to claim 1, characterized in that: A chilled water inlet (1001) is provided at the chilled water jacket (3) at the bottom left side of the alcohol precipitation tank (1), and the chilled water inlet (1001) is connected to a chilled water inlet pipe (10), and a jacket-connected chilled water valve (1002) is provided on the chilled water inlet pipe (10).

6. A Chinese medicine alcohol precipitation device according to claim 5, characterized in that: A chilled water outlet (1101) is provided at the chilled water jacket (3) at the upper right end of the alcohol precipitation tank (1), and the chilled water outlet (1101) is connected to a chilled water outlet pipe (11), and a jacket return chilled water valve (1102) is arranged on the chilled water outlet pipe (11).

7. A Chinese medicine alcohol precipitation device according to claim 6, characterized in that: The front end of the jacket return chilled water valve (1102) is connected to a chilled water return pipe (13), and the other end of the chilled water return pipe (13) is connected to the valve of the jacket through chilled water valve (1002). The chilled water return pipe (13) is connected to the chilled water inlet pipe (10), and a chilled water return valve (1301) is provided on the chilled water return pipe (13); The rear end of the jacket chilled water return valve (1102) is connected to a jacket compressed air pipeline (12), and a jacket compressed air valve (1201) is provided on the jacket compressed air pipeline (12).

8. A Chinese medicine alcohol precipitation device according to claim 1, characterized in that: A jacket steam drain port (1401) is provided at the bottom right end of the chilled water jacket (3) of the alcohol precipitation tank (1). The jacket steam drain port (1401) is connected to a jacket steam drain pipe (14). A jacket steam drain valve (1402) is provided on the jacket steam drain pipe (14). The jacket steam drain pipe (14) is used to discharge condensed water generated inside the jacket.

9. A Chinese medicine alcohol precipitation device according to claim 1, characterized in that: A first temperature detector (15) is provided at the chilled water jacket (3) at the lower right end of the alcohol precipitation tank (1), and the first temperature detector (15) is used to monitor the real-time temperature in the chilled water jacket (3); A second temperature detector (16) is provided at the lower right end of the alcohol precipitation tank (1) where there is no jacket. The second temperature detector (16) is used to monitor the real-time temperature in the alcohol precipitation tank (1).

10. A Chinese medicine alcohol precipitation device according to claim 1, characterized in that: A slag outlet (1701) is provided at the center of the bottom of the alcohol precipitation tank (1), the slag outlet (1701) is connected to a slag outlet pipe (17), a slag outlet valve (1702) is provided on the slag outlet pipe (17), a hose is connected to the lower end of the slag outlet valve (1702), and the hose is connected to an alcohol slag collection bag; A cleaning and sewage discharge pipe (18) is connected to the side of the slag outlet (1701), and an alcohol precipitation tank cleaning and sewage discharge valve (1801) is provided on the cleaning and sewage discharge pipe (18).

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