Automatic liquid outlet control system of concentrated liquid tank

Abstract

The utility model relates to an automatic liquid outlet control system of a concentrated liquid tank and belongs to the technical field of traditional Chinese medicine processing and production. Comprising a concentrated solution storage tank, a concentrated solution feeding pipe is installed on the concentrated solution storage tank, a solution inlet control valve is installed on the concentrated solution feeding pipe, a solution outlet pipe is connected to a solution outlet in the bottom of the concentrated solution storage tank, a solution outlet valve is installed on the solution outlet pipe, and a pipeline cleaning hot water supply pipeline A is connected to a bypass connector of a three-way connector A; a hot water on-off valve A is installed on the pipeline cleaning hot water supply pipeline A, a flow meter is installed on the liquid conveying pipe, a compressed air supply pipeline is connected to a bypass connector of the three-way connector B, and a compressed air on-off valve is installed on the compressed air supply pipeline. The utility model has the following beneficial effects: the concentrated solution discharging and cleaning operation is realized, the concentrated solution is effectively prevented from depositing and crystallizing on the inner wall of the infusion tube, the service life of the concentrated solution discharging pipeline is prolonged, the reliability of the concentrated solution discharging pipeline is improved, the safety is higher, and meanwhile, the manpower is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of concentrated liquid tank automatic liquid outlet control system, belong to traditional Chinese medicine processing production technical field. BACKGROUND

[0002] Traditional Chinese medicine concentration and alcohol precipitation are key steps in traditional Chinese medicine refining process, and the core is to remove impurities and enrich effective components by physical and chemical methods.

[0003] The utility model with patent No.202120806670.8 discloses a traditional Chinese medicine separation and extraction system. The cooking pot is connected with the horizontal screw machine through the first centrifugal pump, the solid phase outlet of the horizontal screw machine is connected with the movable collecting hopper, the liquid phase outlet of the horizontal screw machine is connected with the vibrating screen separator, the vibrating screen separator is connected with the liquid inlet of the water extraction tank through the second centrifugal pump, the liquid outlet of the water extraction tank is connected with the double-effect concentrator through the third centrifugal pump, the liquid outlet of the double-effect concentrator is connected with the concentration tank, the concentration tank is connected with the alcohol precipitation tank through the fourth centrifugal pump, and the supernatant outlet at the top of the alcohol precipitation tank is connected with the supernatant tank through the fifth centrifugal pump.

[0004] Although the above-mentioned patent can realize the functions of traditional Chinese medicine concentration and alcohol precipitation, the current technology is not comprehensive, and has the following disadvantages:

[0005] 1. The concentrated liquid in the concentrated liquid storage tank needs to be transported to the alcohol precipitation workshop through the liquid conveying pipe. The crystallization of the concentrated liquid in the liquid conveying pipeline will block the pipeline. In this case, the operator needs to cut the pipe and reinstall the pipeline.

[0006] 2. If the concentrated liquid tank outlet pipeline of the extraction workshop is cleaned and concentrated liquid is poured, the personnel manually open the liquid outlet valve to discharge the liquid. The hot water valve and compressed air valve need to be manually opened before and after discharging to clean and purge the pipeline. The operation steps are complex, and manual operation may be misoperated.

[0007] To solve one of the above problems, an automatic concentrated liquid tank liquid outlet control system is urgently needed. Utility model content

[0008] According to the deficiencies in the above prior art, the technical problem to be solved by the utility model is how to realize the liquid outlet and cleaning operation of the concentrated liquid, prevent the deposition and crystallization of the concentrated liquid on the inner wall of the liquid conveying pipe, improve the service life and reliability of the concentrated liquid discharge pipeline, and provide an automatic concentrated liquid tank liquid outlet control system.

[0009] The utility model discloses a concentrated liquid tank automatic liquid outlet control system, including concentrated liquid storage tank, the concentrated liquid storage tank is installed with concentrated liquid feed pipe, concentrated liquid feed pipe is installed with liquid inlet control valve, the outlet of concentrated liquid storage tank bottom is connected with the liquid outlet pipe, the other end of liquid outlet pipe is connected to the pumping assembly, the pumping assembly is connected to the liquid delivery pipe, the liquid outlet pipe is installed with liquid outlet valve, three -way joint A is installed between the liquid outlet pipe of liquid outlet valve and pumping assembly, the bypass interface of three -way joint A is connected with pipeline cleaning hot -water supply pipeline A, hot -water on -off valve A is installed on pipeline cleaning hot -water supply pipeline A, the liquid delivery pipe is installed with flowmeter, three -way joint B is installed between the liquid delivery pipe of flowmeter and pumping assembly, the bypass interface of three -way joint B is connected with compressed air supply pipeline, compressed air on -off valve is installed on compressed air supply pipeline.

[0010] Liquid delivery pipe transports to alcohol deposition workshop, needs first to concentrated liquid tank liquid outlet before carrying out the cleaning to liquid delivery pipe, first according to demand opens hot -water on -off valve A and pumping assembly, utilizes the hot water provided by pipeline cleaning hot -water supply pipeline A to be pumped to the liquid delivery pipe by pumping assembly, and the liquid delivery pipe is washed, after washing is completed, closes hot -water on -off valve A and pumping assembly, opens compressed air on -off valve again, and the compressed air provided by compressed air supply pipeline is used to blow the water in the liquid delivery pipe for about 25 seconds, after the water in the pipeline is blown clean, closes compressed air on -off valve.

[0011] Next, needs to open the liquid outlet valve and pumping assembly simultaneously and carries out the liquid operation, when the flowmeter on the liquid delivery pipe detects that concentrated liquid is out, just need to close the liquid outlet valve and pumping assembly, open compressed air on -off valve automatically, utilize the compressed control provided by compressed air supply pipeline to blow the liquid in the pipeline for about 25 seconds, after cleaning is completed, closes compressed air on -off valve, opens hot -water on -off valve A and pumping assembly again and washes the pipeline, after cleaning, closes hot -water on -off valve A and pumping assembly, realizes the liquid outlet and cleaning operation of concentrated liquid, effectively prevents the deposition, crystallization of concentrated liquid on the inner wall of liquid delivery pipe, improves the life and reliability of concentrated liquid discharge pipeline, and higher safety, saves manpower simultaneously.

[0012] Preferably, the liquid outlet at the bottom of the concentrated liquid storage tank is also connected with a sewage pipe, a sewage valve is installed on the sewage pipe, a tank cleaning water supply pipeline B is connected to the upper part of the concentrated liquid storage tank, and a concentrated tank cleaning water on-off valve A is installed on the tank cleaning water supply pipeline B. The other end of the tank cleaning water supply pipeline B is connected to a water source, which can be a common tap water at present. When the concentrated liquid storage tank needs to be cleaned, the liquid outlet valve is closed, the concentrated tank cleaning water on-off valve A is opened, cleaning water is injected into the concentrated liquid storage tank through the tank cleaning water supply pipeline B, and the concentrated liquid storage tank is cleaned. After the concentrated liquid storage tank is cleaned, the sewage valve is opened, and the cleaning waste water in the concentrated liquid storage tank is discharged from the sewage pipe.

[0013] Preferably, a liquid level meter is arranged in the concentrated liquid storage tank to detect the liquid level in the tank.

[0014] Preferably, the liquid level meter is a capacitance liquid level meter, which measures the medium level in the container by using the change of capacitance.

[0015] Preferably, the pumping assembly includes a main conveying pump and an auxiliary conveying pump, the feed inlets of the main conveying pump and the auxiliary conveying pump are connected with the liquid outlet pipe through first and second connecting pipelines respectively, the discharge outlets of the main conveying pump and the auxiliary conveying pump are connected with the infusion tube through third and fourth connecting pipelines respectively, first, second, third and fourth stop valves are installed on the first, second, third and fourth connecting pipelines respectively, and the first and third stop valves need to be opened or closed simultaneously, and the second and fourth stop valves need to be opened or closed simultaneously.

[0016] When the main conveying pump works alone, the first and third stop valves need to be opened simultaneously, and the second and fourth stop valves need to be closed simultaneously; when the auxiliary conveying pump works alone, the first and third stop valves need to be closed simultaneously, and the second and fourth stop valves need to be opened simultaneously. When the main conveying pump and the auxiliary conveying pump work simultaneously, all four stop valves need to be opened.

[0017] Preferably, an emptying pipe is connected to the concentrated liquid storage tank, the emptying pipe is connected with the atmosphere to discharge excess gas in the tank, maintain the pressure balance in the tank, and prevent the structure from being damaged due to overpressure or vacuum state.

[0018] Preferably, the concentrated liquid storage tank is a horizontal tank with a capacity of 15T.

[0019] Preferably, the flow meter, liquid level meter are electrically connected with the signal input end of the PLC controller, the flow meter is used for collecting the liquid flow through the infusion pipe and transmitting to the PLC controller, the liquid level meter is used for collecting the liquid level height in the concentrated liquid storage tank and transmitting to the PLC controller, the liquid outlet valve, hot water on-off valve A, compressed air on-off valve, blowdown valve, concentrated tank cleaning water on-off valve A, concentrated liquid feeding pipe and liquid inlet control valve are electrically connected with the signal output end of the PLC controller, and the on-off of the corresponding pipeline is controlled by the PLC controller, and the main conveying pump and the auxiliary conveying pump are also electrically connected with the signal output end of the PLC controller, and are used for controlling the opening and closing of the main conveying pump and the auxiliary conveying pump.

[0020] Compared with the prior art, the utility model has following beneficial effects:

[0021] The automatic liquid outlet control system of the concentrated liquid tank realizes the liquid outlet and cleaning operation of the concentrated liquid, effectively prevents the deposition and crystallization of the concentrated liquid on the inner wall of the infusion pipe, improves the service life and reliability of the concentrated liquid discharge pipeline, is higher in safety, and saves manpower.

[0022] The automatic liquid outlet control system of the concentrated liquid tank is more stable in concentrated liquid outlet control, and reduces the waste caused by manual intervention.

[0023] The automatic liquid outlet control system of the concentrated liquid tank saves manual operation time during the concentrated liquid outlet, saves 0.5 manual hours per day * 300 days, and saves 150 manual hours. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the specific embodiments or the prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0025] Fig. 1 It is a structural schematic diagram of the utility model;

[0026] Fig. 2 It is a control principle diagram of the utility model.

[0027] In the diagram: 1. Concentrate storage tank; 2. Drain pipe; 3. Outlet pipe; 4. Pumping assembly; 5. Outlet valve; 6. T-joint A; 7. Hot water supply pipe for pipeline cleaning A; 8. Hot water on / off valve A; 9. Infusion pipe; 10. Flow meter; 11. Compressed air supply pipe; 12. Compressed air on / off valve; 13. T-joint B; 14. Drain valve; 15. Tank cleaning water supply pipe B; 16. Concentrate tank cleaning water on / off valve A; 17. Concentrate inlet pipe; 18. Inlet control valve; 19. Level gauge; 20. Drain pipe; 21. PLC controller. Detailed Implementation

[0028] The present invention will be further described below with reference to the accompanying drawings: The present invention will be further described below through specific embodiments, but it is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

[0029] Example 1, such as Figs. 1-2 As shown, the automatic liquid discharge control system for a concentrate tank includes a concentrate storage tank 1, a concentrate inlet pipe 17 installed on the concentrate storage tank 1, an inlet control valve 18 installed on the concentrate inlet pipe 17, an outlet pipe 3 connected to the outlet port at the bottom of the concentrate storage tank 1, the other end of the outlet pipe 3 connected to a pumping assembly 4, a delivery pipe 9 connected to the pumping assembly 4, an outlet valve 5 installed on the outlet pipe 3, and a valve connecting the outlet valve 5 and the pumping assembly 4. A tee connector A6 has a bypass port connected to a hot water supply pipe A7 for pipe cleaning, a hot water on / off valve A8 installed on the hot water supply pipe A7, a flow meter 10 installed on the infusion pipe 9, a tee connector B13 installed on the infusion pipe 9 between the flow meter 10 and the pumping assembly 4, a compressed air supply pipe 11 has a bypass port connected to the compressed air supply pipe 11, and a compressed air on / off valve 12 installed on the compressed air supply pipe 11.

[0030] Before discharging the concentrate from the tank, the infusion pipe 9 needs to be cleaned. First, open the hot water on / off valve A8 and the pumping assembly 4 as needed. Use the hot water supplied by the pipeline cleaning hot water supply pipe A7 to pump the hot water into the infusion pipe 9 through the pumping assembly 4 to flush the infusion pipe 9. After flushing is completed, close the hot water on / off valve A8 and the pumping assembly 4. Then open the compressed air on / off valve 12 and use the compressed air supplied by the compressed air supply pipe 11 to purge the water in the infusion pipe 9 for about 25 seconds. After the water in the pipe is purged clean, close the compressed air on / off valve 12.

[0031] Next, the outlet valve 5 and the pumping assembly 4 need to be opened simultaneously to perform the liquid discharge operation. After the flow meter 10 on the infusion pipe 9 detects that the concentrated medicine has been discharged, the outlet valve 5 and the pumping assembly 4 need to be closed, and the compressed air on / off valve 12 is automatically opened. The compressed air supply pipe 11 is used to purge the medicine in the pipe for about 25 seconds. After purging, the compressed air on / off valve 12 is closed, and then the hot water on / off valve A8 and the pumping assembly 4 are opened to flush the pipe. After cleaning, the hot water on / off valve A8 and the pumping assembly 4 are closed to realize the liquid discharge and cleaning operation of the concentrated liquid. This effectively prevents the concentrated liquid from depositing and crystallizing on the inner wall of the infusion pipe 9, improves the life and reliability of the concentrated liquid discharge pipeline, enhances safety, and saves manpower.

[0032] Example 2, as Figs. 1-2 As shown, the automatic liquid discharge control system for a concentrate tank includes a concentrate storage tank 1, a concentrate inlet pipe 17 installed on the concentrate storage tank 1, an inlet control valve 18 installed on the concentrate inlet pipe 17, an outlet pipe 3 connected to the outlet port at the bottom of the concentrate storage tank 1, the other end of the outlet pipe 3 connected to a pumping assembly 4, a delivery pipe 9 connected to the pumping assembly 4, an outlet valve 5 installed on the outlet pipe 3, and a valve connecting the outlet valve 5 and the pumping assembly 4. A tee connector A6 has a bypass port connected to a hot water supply pipe A7 for pipe cleaning, a hot water on / off valve A8 installed on the hot water supply pipe A7, a flow meter 10 installed on the infusion pipe 9, a tee connector B13 installed on the infusion pipe 9 between the flow meter 10 and the pumping assembly 4, a compressed air supply pipe 11 has a bypass port connected to the compressed air supply pipe 11, and a compressed air on / off valve 12 installed on the compressed air supply pipe 11.

[0033] Furthermore, a drain pipe 2 is connected to the outlet at the bottom of the concentrate storage tank 1, and a drain valve 14 is installed on the drain pipe 2. A tank cleaning water supply pipe B15 is connected to the upper part of the concentrate storage tank 1, and a tank cleaning water on / off valve A16 is installed on the tank cleaning water supply pipe B15. The other end of the tank cleaning water supply pipe B15 is connected to a water source, which can currently be commonly used tap water. When the concentrate storage tank 1 needs to be cleaned, the outlet valve 5 is closed, and the tank cleaning water on / off valve A16 is opened. Cleaning water is injected into the concentrate storage tank 1 through the tank cleaning water supply pipe B15 to clean the concentrate storage tank 1. After the concentrate storage tank 1 is cleaned, the drain valve 14 is opened, and the cleaning wastewater in the concentrate storage tank 1 is discharged from the drain pipe 2, emptying the cleaning wastewater in the concentrate storage tank 1.

[0034] Furthermore, a level gauge 19 is installed inside the concentrated liquid storage tank 1 to detect the liquid level inside the tank.

[0035] Further, the liquid level meter 19 is a capacitive liquid level meter, which measures the liquid level in the container by measuring the change in capacitance.

[0036] Further, the pumping assembly 4 comprises a main delivery pump and an auxiliary delivery pump, the feed inlets of the main delivery pump and the auxiliary delivery pump are connected with the liquid outlet pipe 3 through a first connecting pipe and a second connecting pipe respectively, the outlets of the main delivery pump and the auxiliary delivery pump are connected with the infusion pipe 9 through a third connecting pipe and a fourth connecting pipe respectively, the first connecting pipe, the second connecting pipe, the third connecting pipe and the fourth connecting pipe are respectively provided with a first stop valve, a second stop valve, a third stop valve and a fourth stop valve, the first stop valve and the third stop valve need to be opened or closed simultaneously, and the second stop valve and the fourth stop valve need to be opened or closed simultaneously.

[0037] When the main delivery pump works alone, the first stop valve and the third stop valve need to be opened simultaneously, and the second stop valve and the fourth stop valve need to be closed; when the auxiliary delivery pump works alone, the first stop valve and the third stop valve need to be closed, and the second stop valve and the fourth stop valve need to be opened. When the main delivery pump and the auxiliary delivery pump work simultaneously, all the four stop valves need to be opened.

[0038] Further, the concentrated liquid storage tank 1 is connected with a vent pipe 20, which is connected with the atmosphere, so as to discharge the excess gas in the storage tank, maintain the pressure balance in the tank, and prevent the structure from being damaged due to overpressure or vacuum state.

[0039] Further, the concentrated liquid storage tank 1 is a horizontal storage tank with a capacity of 15T.

[0040] Further, the flow meter 10, the liquid level meter 19 and the signal input end of the PLC controller 21 are electrically connected, the flow meter 10 is used for collecting the liquid flow through the infusion pipe 9 and transmitting to the PLC controller 21, the liquid level meter 19 is used for collecting the liquid level height in the concentrated liquid storage tank 1 and transmitting to the PLC controller 21, the liquid outlet valve 5, the hot water on-off valve A8, the compressed air on-off valve 12, the blowdown valve 14, the concentrated tank cleaning water on-off valve A16, the concentrated liquid feeding pipe 17 and the liquid inlet control valve 18 are electrically connected with the signal output end of the PLC controller 21, and the on-off of the corresponding pipeline is controlled by the PLC controller 21, and the main conveying pump and the auxiliary conveying pump are also electrically connected with the signal output end of the PLC controller 21, and are used for controlling the opening and closing of the main conveying pump and the auxiliary conveying pump.

[0041] In the embodiment, the improvement of the present application to the prior art is in the hardware part, and the computer program involved is a simple program whose function can be easily realized by a person skilled in the art using the existing computer program development platform and the familiar programming method.

[0042] In the embodiment, the improvement of the present application to the prior art is in the hardware part, and the computer program involved is a simple program whose function can be easily realized by a person skilled in the art using the existing computer program development platform and the familiar programming method.

[0043] The concentrated liquid tank automatic liquid outlet control system realizes the liquid outlet and cleaning operation of the concentrated liquid, effectively prevents the deposition and crystallization of the concentrated liquid on the inner wall of the infusion pipe, improves the service life and reliability of the concentrated liquid discharge pipeline, is higher in safety, and saves manpower.

[0044] The concentrated liquid tank automatic liquid outlet control system is more stable in concentrated liquid outlet control and reduces the waste caused by manual intervention.

[0045] The concentrated liquid is pumped for about 1 hour, 3-4 batches of concentrated liquid are needed per day, personnel are always operating on site, artificial working hours are increased, and water consumption is relatively large due to manual control and personnel review not being timely enough. The automatic concentrated liquid tank liquid outlet control system saves artificial working hours without manual operation of personnel when the concentrated liquid is pumped out, and 150 artificial working hours can be saved per day * 300 days, that is, 150 artificial working hours can be saved.

[0046] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and all these changes and improvements fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

[0047] The parts not described in detail in the utility model are well-known to those skilled in the art.

Claims

1. A concentrated liquid tank automatic liquid outlet control system, comprising a concentrated liquid storage tank (1), a concentrated liquid feeding pipe is installed on the concentrated liquid storage tank (1), and a liquid inlet control valve is installed on the concentrated liquid feeding pipe, characterized in that: The liquid outlet of the bottom of the concentrated liquid storage tank (1) is connected with a liquid outlet pipe (3), the other end of the liquid outlet pipe (3) is connected to a pumping assembly (4), the pumping assembly (4) is connected to a liquid delivery pipe (9), a liquid outlet valve (5) is installed on the liquid outlet pipe (3), a three-way joint A (6) is installed on the liquid outlet pipe (3) between the liquid outlet valve (5) and the pumping assembly (4), a bypass interface of the three-way joint A (6) is connected with a pipe cleaning hot water supply pipe A (7), a hot water on-off valve A (8) is installed on the pipe cleaning hot water supply pipe A (7), a flow meter (10) is installed on the liquid delivery pipe (9), a three-way joint B (13) is installed on the liquid delivery pipe (9) between the flow meter (10) and the pumping assembly (4), a bypass interface of the three-way joint B (13) is connected with a compressed air supply pipe (11), a compressed air on-off valve (12) is installed on the compressed air supply pipe (11).

2. The automatic liquid discharging control system of the concentrated liquid tank according to claim 1, characterized in that, The liquid outlet of the bottom of the concentrated liquid storage tank (1) is also connected with a blowdown pipe (2), a blowdown valve is installed on the blowdown pipe (2), the upper part of the concentrated liquid storage tank (1) is connected with a tank cleaning water supply pipe B (15), a concentrated tank cleaning water on-off valve A (16) is installed on the tank cleaning water supply pipe B (15).

3. The automatic liquid discharging control system of the concentrated liquid tank according to claim 2, characterized in that, A liquid level meter (19) is arranged in the concentrated liquid storage tank (1).

4. The automatic liquid discharging control system of the concentrated liquid tank according to claim 3, characterized in that, The liquid level meter (19) is a capacitive liquid level meter.

5. The automatic liquid discharging control system of the concentrated liquid tank according to claim 4, characterized in that, The pumping assembly (4) comprises a main conveying pump and an auxiliary conveying pump, the feed inlets of the main conveying pump and the auxiliary conveying pump are connected with the liquid outlet pipe (3) through first and second connecting pipes respectively, the discharge outlets of the main conveying pump and the auxiliary conveying pump are connected with the liquid delivery pipe (9) through third and fourth connecting pipes respectively, first, second, third and fourth stop valves are installed on the first, second, third and fourth connecting pipes respectively.

6. The automatic liquid discharging control system of the concentrated liquid tank according to claim 5, characterized in that, The concentrated liquid storage tank (1) is connected with a vent pipe (20), the vent pipe (20) is connected with the atmosphere.

7. The automatic liquid discharging control system of the concentrated liquid tank according to claim 6, characterized in that, The concentrated liquid storage tank (1) is a horizontal tank, and the capacity is 15T.

8. The automatic liquid discharging control system of the concentrated liquid tank according to claim 7, characterized in that, The flow meter (10) and the liquid level meter (19) are electrically connected with the signal input end of a PLC controller (21), the flow meter (10) is used for collecting the liquid flow through the liquid delivery pipe (9) and transmitting to the PLC controller (21), the liquid level meter (19) is used for collecting the liquid level height in the concentrated liquid storage tank (1) and transmitting to the PLC controller (21), the liquid outlet valve (5), the hot water on-off valve A (8), the compressed air on-off valve (12), the blowdown valve (14), the concentrated tank cleaning water on-off valve A (16), the concentrated liquid feed pipe (17) and the liquid inlet control valve (18) are electrically connected with the signal output end of the PLC controller (21).

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