CN115888476A - Automatic medicine feeding system and control method thereof - Google Patents
Automatic medicine feeding system and control method thereof Download PDFInfo
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- CN115888476A CN115888476A CN202211433197.9A CN202211433197A CN115888476A CN 115888476 A CN115888476 A CN 115888476A CN 202211433197 A CN202211433197 A CN 202211433197A CN 115888476 A CN115888476 A CN 115888476A
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Abstract
The application discloses automatic medicine adding system and control method thereof, includes: the medicine tank is used for storing liquid medicine; the mixing tank is provided with a stirring assembly, and the stirring assembly is used for mixing the liquid medicine with the liquid to be treated; the medicine feeding channel sequentially comprises a medicine feeding inlet, a first control valve, a batcher, a second control valve and a medicine feeding outlet, the medicine feeding inlet is connected to the inner cavity of the medicine tank, the medicine feeding outlet is connected to the top of the inner cavity of the mixing tank, and the batcher is provided with a high-level sensor; the liquid conveying channel sequentially comprises a liquid conveying inlet, a third control valve and a liquid conveying outlet, the liquid conveying inlet is used for being connected with a water supply device for providing the liquid to be treated, and the liquid conveying outlet is connected to the lower part of the inner cavity of the mixing tank; this application is through the cooperation of a control valve, dosage and second control valve, and the liquid medicine is put in to the blending tank to the ration, has reduced the manufacturing cost of automatic reagent feeding system.
Description
Technical Field
The application relates to the technical field of water treatment, in particular to an automatic dosing system and a control method thereof.
Background
The dosing system is widely used in the wastewater treatment industry, and the dosing system automatically mixes the liquid medicine with the liquid to be treated, so that the consumption of human resources can be greatly reduced. In the market, most of the metering pumps are practical for metering liquid medicines, but the metering pumps are high in production cost and high in maintenance cost.
Disclosure of Invention
The present application is directed to solving at least one of the problems in the prior art. Therefore, the application provides the automatic medicine feeding system and the control method thereof, the liquid medicine is quantitatively fed into the mixing tank through the matching of the control valve, the quantitative device and the second control valve, and the production cost of the automatic medicine feeding system is reduced.
In a first aspect, the present application provides an automatic dosing system comprising:
the medicine tank is used for storing liquid medicine;
the mixing tank is provided with a stirring assembly, and the stirring assembly is used for mixing the liquid medicine with the liquid to be treated;
the medicine feeding channel sequentially comprises a medicine feeding inlet, a first control valve, a batcher, a second control valve and a medicine feeding outlet, the medicine feeding inlet is connected to the inner cavity of the medicine tank, the medicine feeding outlet is connected to the top of the inner cavity of the mixing tank, and the batcher is provided with a high-position sensor;
the liquid feeding channel sequentially comprises a liquid feeding inlet, a third control valve and a liquid feeding outlet, the liquid feeding inlet is used for being connected with a water supply device for providing the liquid to be treated, and the liquid feeding outlet is connected to the lower part of the inner cavity of the mixing tank;
and the control module is respectively connected with the first control valve, the second control valve, the third control valve and the high-level sensor.
The automatic medicine adding system according to the embodiment of the first aspect of the application has at least the following beneficial effects: the control module controls the first control valve to be opened so as to enable the liquid medicine in the liquid medicine tank to flow into the quantitative device; acquiring an in-place signal from the high-position sensor, and controlling the first control valve to be closed and the second control valve to be opened according to the in-place signal so as to enable the liquid medicine in the batcher to flow into the mixing tank; then controlling a third control valve to be opened, and adding the liquid to be treated into the mixing tank according to a preset capacity parameter; the drive stirring subassembly to mix liquid medicine and pending liquid, through the cooperation of a control valve, dosage and second control valve, the ration is to blending tank input liquid medicine, has reduced automatic reagent feeding system's manufacturing cost.
According to some embodiments of the first aspect of the present application, the liquid feeding passage further includes a switch floating ball, the switch floating ball is located at an upper portion of an inner cavity of the mixing tank and is disposed between the third control valve and the liquid feeding outlet, and the switch floating ball is configured to control a conduction state between the third control valve and the liquid feeding outlet according to a liquid level of the inner cavity of the mixing tank.
According to some embodiments of the first aspect of the present application, the mixing tank further comprises an overflow channel, the overflow channel comprising an overflow inlet, the overflow inlet being connected to the inner cavity of the mixing tank and being located at the same height as the switch float.
According to some embodiments of the first aspect of the present application, the inner cavity side wall of the mixing tank is circumferentially provided with a baffle, and the liquid feeding outlet is located between the inner cavity side wall of the mixing tank and the baffle.
According to some embodiments of the first aspect of the present application, the drug delivery outlet is provided with a spray head assembly.
According to some embodiments of this application first aspect, stirring subassembly includes driving motor, puddler and mixing blade, driving motor set up in the top of blending tank and with the control module group link, the one end of puddler with driving motor's drive end is connected, the puddler is rotatable to be inserted and to be located in the blending tank, mixing blade set up in the other end of puddler, the last a plurality of through-hole that is equipped with of mixing blade.
According to some embodiments of the first aspect of this application, still include discharging channel and reaction tank, discharging channel includes ejection of compact entry, centrifugal pump and ejection of compact export in proper order, ejection of compact entry connect in the inner chamber bottom of blending tank, ejection of compact exit connect in the inner chamber of reaction tank, the centrifugal pump with the control module group is connected.
According to some embodiments of the first aspect of the present application, the discharge channel further comprises a filter disposed between the discharge inlet and the centrifugal pump.
According to some embodiments of the first aspect of this application, the medicinal cupping still is equipped with first level gauge, first level gauge is used for detecting liquid level state in the medicinal cupping, the blending tank still is equipped with the second level gauge, the second level gauge is used for detecting liquid level state in the blending tank, still be equipped with the low level inductor on the batchmeter, the low level inductor is located the below of high level inductor, first level gauge the second level gauge the low level inductor equally divide do not with control module group connects.
In a second aspect, the present application further provides a method for controlling an automatic dosing system, including:
controlling the first control valve to be opened so as to enable the liquid medicine in the liquid medicine tank to flow into the quantitative device;
acquiring an in-place signal from a high-position sensor, and controlling the first control valve to be closed and the second control valve to be opened according to the in-place signal so as to enable the liquid medicine in the batcher to flow into the mixing tank;
controlling a third control valve to be opened, and adding the liquid to be treated into the mixing tank according to a preset capacity parameter;
driving a stirring assembly to mix the liquid medicine and the liquid to be treated.
According to the control method of the automatic medicine adding system in the embodiment of the second aspect of the application, at least the following beneficial effects are achieved: the method is applied to the automatic medicine adding system in any embodiment of the first aspect, and the control method specifically comprises the steps of controlling the first control valve to be opened so as to enable the liquid medicine in the liquid medicine tank to flow into the quantitative device; acquiring an in-place signal from the high-position sensor, and controlling the first control valve to be closed and the second control valve to be opened according to the in-place signal so as to enable the liquid medicine in the batcher to flow into the mixing tank; then controlling a third control valve to be opened, and adding the liquid to be treated into the mixing tank according to a preset capacity parameter; the drive stirring subassembly to mix liquid medicine and pending liquid, through the cooperation of a control valve, dosage and second control valve, the ration is put in the liquid medicine to the blending tank, has reduced automatic reagent feeding system's manufacturing cost.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
Additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a block diagram of an automatic dosing system according to some embodiments of the present application;
fig. 2 is a flow chart of an automedicine system control method of some embodiments of the present application.
The reference numbers are as follows:
a medicine tank 100; a first liquid level meter 110; a mixing tank 200; a drive motor 211; a stirring rod 212; a mixing blade 213; a through-hole 214; a baffle 220; a second liquid level gauge 230; a drug delivery channel 300; a drug delivery inlet 310; a first control valve 320; a doser 330; a high-level sensor 331; a low-level sensor 332; a second control valve 340; a drug delivery outlet 350; a showerhead assembly 360; a liquid feeding passage 400; a liquid-feeding inlet 410; a third control valve 420; a liquid delivery outlet 430; a switch float 440; an overflow channel 500; an overflow inlet 510; a discharge channel 600; a discharge inlet 610; a centrifugal pump 620; a discharge outlet 630; a filter 640; a reaction cell 700.
Detailed Description
Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it should be understood that the positional descriptions referred to, for example, the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.
In the description of the present application, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.
In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.
Referring to fig. 1, in a first aspect, the present application provides an automatic dosing system, including a medicine tank 100, a mixing tank 200, a medicine feeding channel 300, a liquid feeding channel 400, and a control module, where the medicine tank 100 is used for storing medicine liquid; the mixing tank 200 is provided with a stirring assembly for mixing the liquid medicine and the liquid to be treated; the medicine feeding channel 300 sequentially comprises a medicine feeding inlet 310, a first control valve 320, a dosing device 330, a second control valve 340 and a medicine feeding outlet 350, the medicine feeding inlet 310 is connected to the inner cavity of the medicine tank 100, the medicine feeding outlet 350 is connected to the top of the inner cavity of the mixing tank 200, and the dosing device 330 is provided with a high-level sensor 331; the liquid feeding channel 400 sequentially comprises a liquid feeding inlet 410, a third control valve 420 and a liquid feeding outlet 430, wherein the liquid feeding inlet 410 is used for being connected with a water supply device for providing liquid to be treated, and the liquid feeding outlet 430 is connected to the lower part of the inner cavity of the mixing tank 200; the control module is connected to the first control valve 320, the second control valve 340, the third control valve 420 and the high level sensor 331, respectively. The control module opens by controlling the first control valve 320 to make the liquid medicine in the medicine tank 100 flow to the dosing device 330; acquiring an in-place signal from the high-level sensor 331, and controlling the first control valve 320 to close and the second control valve 340 to open according to the in-place signal, so that the liquid medicine in the dosing device 330 flows into the mixing tank 200; then, the third control valve 420 is controlled to be opened, and liquid to be treated is added into the mixing tank 200 according to the preset capacity parameter; the stirring assembly is driven to mix the liquid medicine and the liquid to be treated, and the liquid medicine is quantitatively put into the mixing tank 200 through the matching of the control valve, the quantitative device 330 and the second control valve 340, so that the production cost of the automatic medicine feeding system is reduced.
It should be noted that the liquid to be treated can be tap water, wastewater, sewage, etc.; the first control valve 320, the second control valve 340, and the third control valve 420 may be solenoid valves, which are not limited in this application.
With continued reference to fig. 1, it will be appreciated that the fluid delivery passage 400 further includes a switching float ball 440, the switching float ball 440 is disposed at an upper portion of the inner chamber of the mixing tank 200 between the third control valve 420 and the fluid delivery outlet 430, and the switching float ball 440 is used to control a communication state between the third control valve 420 and the fluid delivery outlet 430 according to a fluid level of the inner chamber of the mixing tank 200. When the liquid level in the mixing tank 200 does not reach the position of the switch float ball 440, the switch float ball 440 naturally droops, the switch float ball 440 is cut off at a position between the third control valve 420 and the liquid feeding outlet 430 on the liquid feeding passage 400 along with the rise of the liquid level in the mixing tank 200 and lifts the switch float ball 440, so as to prevent the liquid level in the mixing tank 200 from continuously rising to overflow the liquid in the mixing tank 200 and pollute the environment, when the liquid level descends, the liquid level leaves the switch float ball 440, the switch float ball 440 restores to a naturally drooping state, and at the same time, the conduction is restored between the third control valve 420 and the liquid feeding outlet 430 on the liquid feeding passage 400.
With reference to fig. 1, it can be understood that the present application further includes an overflow channel 500, the overflow channel 500 includes an overflow inlet 510, the overflow inlet 510 is connected to the inner cavity of the mixing tank 200 and is located at the same height as the switch float 440, when the liquid level rises to the position of the switch float 440, it represents that there is a risk of overflow of the mixed liquid in the mixing tank 200, and by setting the overflow inlet 510 of the overflow channel 500 at the same height as the switch float 440, the mixed liquid in the mixing tank 200 can be discharged in time, so as to prevent the mixed liquid from overflowing from the top of the mixing tank 200 and polluting the environment.
With continued reference to fig. 1, it can be understood that the inner cavity sidewall of the mixing tank 200 is circumferentially provided with the baffle 220, the liquid delivery outlet 430 is located between the inner cavity sidewall of the mixing tank 200 and the baffle 220, and the density of the common liquid to be treated is lower than that of the liquid medicine, such as tap water, which is fed from the lower portion of the mixing tank 200, so that the liquid medicine and the tap water in the mixing tank 200 are mixed more sufficiently, and on the other hand, the stirring assembly can be prevented from rotating so as to prevent the centripetal force generated by the mixed liquid from influencing the position of the liquid delivery outlet 430.
With continued reference to fig. 1, it can be understood that the medicine delivery outlet 350 is provided with the spray head assembly 360, and the liquid medicine is sprayed in the mixing tank 200 by using the spray head assembly 360, so that the liquid medicine is distributed more uniformly in the mixing tank 200, and the mixing sufficiency of the liquid medicine and the liquid to be treated is further improved.
With continued reference to fig. 1, it can be understood that the stirring assembly includes a driving motor 211, a stirring rod 212 and a mixing blade 213, the driving motor 211 is disposed at the top of the mixing tank 200 and connected to the control module, one end of the stirring rod 212 is connected to the driving end of the driving motor 211, the stirring rod 212 is rotatably inserted into the mixing tank 200, the mixing blade 213 is disposed at the other end of the stirring rod 212, and the mixing blade 213 is provided with a plurality of through holes 214. A plurality of through holes 214 are provided on the mixing blade 213. The mixed liquid passes through the through holes 214 while being stirred by the moderating blades, so that the mixing sufficiency of the liquid medicine and the liquid to be treated is improved.
Referring to fig. 1, it can be understood that the automatic reagent feeding system provided by the present application further includes a discharge channel 600 and a reaction tank 700, the discharge channel 600 sequentially includes a discharge inlet 610, a centrifugal pump 620 and a discharge outlet 630, the discharge inlet 610 is connected to the bottom of the inner cavity of the mixing tank 200, the discharge outlet 630 is connected to the inner cavity of the reaction tank 700, and the centrifugal pump 620 is connected to the control module. After the treatment liquid and the liquid medicine are mixed in the mixing tank 200, the mixed liquid in the mixing tank 200 is pumped out from the discharge inlet 610 to the reaction tank 700 by the centrifugal pump 620.
With continued reference to fig. 1, the discharge channel 600 further includes a filter 640, the filter 640 is disposed between the discharge inlet 610 and the centrifugal pump 620, and the mixed liquid is filtered by the filter 640 before discharging so as to prevent fine particles from being mixed in the mixed liquid.
With continued reference to fig. 1, it can be understood that the medicine tank 100 is further provided with a first liquid level meter 110, the first liquid level meter 110 is used for detecting a liquid level state in the medicine tank 100, the mixing tank 200 is further provided with a second liquid level meter 230, the second liquid level meter 230 is used for detecting a liquid level state in the mixing tank 200, the dosing unit 330 is further provided with a low level sensor 332, the low level sensor 332 is located below the high level sensor 331, and the first liquid level meter 110, the second liquid level meter 230 and the low level sensor 332 are respectively connected with the control module. The liquid level state in the medicine tank 100 can be detected in real time through the first liquid level meter 110, and when the situation that a small amount of liquid medicine is left in the medicine tank 100 is detected, corresponding workers can be reminded to add the liquid medicine into the medicine tank 100 through the control module; the second liquid level meter 230 can detect the liquid level state in the mixing tank 200 in real time, and when the mixed liquid in the mixing tank 200 is completely mixed, whether the liquid in the mixing tank 200 is completely discharged can be judged according to the detection feedback result of the second liquid level meter 230; the low level sensor 332 may be used to sense whether the liquid medicine in the container 330 completely flows into the mixing tank 200. The quantitative device 330 is further provided with a scale value, so that a worker can conveniently add the liquid medicine into the quantitative device 330 in a quantitative manner.
In a second aspect, referring to fig. 2, the present application provides a control method of an auto-medicine system, applied to the auto-medicine system in any one of the embodiments of the first aspect, the control method including, but not limited to, the following steps:
step S810: controlling the first control valve to be opened so as to enable the liquid medicine in the liquid medicine tank to flow into the quantitative device;
step S820: acquiring an in-place signal from the high-position sensor, and controlling the first control valve to be closed and the second control valve to be opened according to the in-place signal so as to enable the liquid medicine in the batcher to flow into the mixing tank;
step S830: controlling a third control valve to be opened, and adding the liquid to be treated into the mixing tank according to a preset capacity parameter;
step S840: the stirring assembly is driven to mix the liquid medicine and the liquid to be treated.
The method is applied to the automatic medicine adding system of any embodiment of the first aspect, and the control method specifically controls the first control valve 320 to be opened so as to enable the liquid medicine in the medicine tank 100 to flow into the dosing device 330; acquiring an in-place signal from the high-level sensor 331, and controlling the first control valve 320 to close and the second control valve 340 to open according to the in-place signal, so that the liquid medicine in the dosing device 330 flows into the mixing tank 200; then controlling the third control valve 420 to open, and adding the liquid to be treated into the mixing tank 200 according to the preset capacity parameter; the stirring assembly is driven to mix the liquid medicine and the liquid to be treated, and the liquid medicine is quantitatively put into the mixing tank 200 through the matching of the control valve, the quantitative device 330 and the second control valve 340, so that the production cost of the automatic medicine feeding system is reduced.
It is understood that, more specifically, the control method further includes: acquiring a low-level signal from the low-level sensor 332, and controlling the second control valve 340 to close; when the liquid to be treated with the preset volume parameter completely flows into the mixing tank 200, controlling the third control valve 420 to close; acquiring a first feedback signal from the first liquid level meter 110, and sending a liquid level early warning according to the first feedback signal; a second feedback signal from the second level gauge 230 is obtained, and a mixed liquid level indication signal is sent according to the second feedback signal.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made without departing from the spirit of the present application within the knowledge of those skilled in the art.
Claims (10)
1. An automatic dosing system, comprising:
the medicine tank is used for storing liquid medicine;
the mixing tank is provided with a stirring assembly, and the stirring assembly is used for mixing the liquid medicine with the liquid to be treated;
the medicine feeding channel sequentially comprises a medicine feeding inlet, a first control valve, a batcher, a second control valve and a medicine feeding outlet, the medicine feeding inlet is connected to the inner cavity of the medicine tank, the medicine feeding outlet is connected to the top of the inner cavity of the mixing tank, and a high-position sensor is arranged on the batcher;
the liquid feeding channel sequentially comprises a liquid feeding inlet, a third control valve and a liquid feeding outlet, the liquid feeding inlet is used for being connected with a water supply device for providing the liquid to be treated, and the liquid feeding outlet is connected to the lower part of the inner cavity of the mixing tank;
and the control module is respectively connected with the first control valve, the second control valve, the third control valve and the high-level sensor.
2. The automatic dosing system of claim 1, wherein the liquid feeding channel further comprises a float switch ball, the float switch ball is located at an upper portion of an inner cavity of the mixing tank and is disposed between the third control valve and the liquid feeding outlet, and the float switch ball is configured to control a conduction state between the third control valve and the liquid feeding outlet according to a liquid level of the inner cavity of the mixing tank.
3. The automatic dosing system of claim 2, further comprising an overflow channel comprising an overflow inlet connected to the inner chamber of the mixing tank and at the same height as the switch float.
4. The automatic medicine feeding system according to claim 1, wherein a baffle is circumferentially arranged on the side wall of the inner cavity of the mixing tank, and the liquid feeding outlet is positioned between the side wall of the inner cavity of the mixing tank and the baffle.
5. The automatic dosing system of claim 1, wherein the drug delivery outlet is provided with a spray head assembly.
6. The automatic medicine feeding system of claim 1, wherein the stirring assembly comprises a driving motor, a stirring rod and a mixing blade, the driving motor is disposed at the top of the mixing tank and connected to the control module, one end of the stirring rod is connected to the driving end of the driving motor, the stirring rod is rotatably inserted into the mixing tank, the mixing blade is disposed at the other end of the stirring rod, and a plurality of through holes are disposed on the mixing blade.
7. The automatic dosing system of claim 1, further comprising a discharge channel and a reaction tank, wherein the discharge channel sequentially comprises a discharge inlet, a centrifugal pump and a discharge outlet, the discharge inlet is connected to the bottom of the inner cavity of the mixing tank, the discharge outlet is connected to the inner cavity of the reaction tank, and the centrifugal pump is connected to the control module.
8. The automatic dosing system of claim 7, wherein the exit channel further comprises a filter disposed between the exit inlet and the centrifugal pump.
9. The automatic dosing system of claim 1, wherein the medicine tank is further provided with a first liquid level meter for detecting a liquid level state in the medicine tank, the mixing tank is further provided with a second liquid level meter for detecting the liquid level state in the mixing tank, a low level sensor is further arranged on the dosing device and located below the high level sensor, and the first liquid level meter, the second liquid level meter and the low level sensor are respectively connected with the control module.
10. A control method of an automatic medicine adding system, which is applied to the automatic medicine adding system according to any one of claims 1 to 9, the control method comprising:
controlling the first control valve to be opened so as to enable the liquid medicine in the liquid medicine tank to flow into the batcher;
acquiring an in-place signal from a high-position sensor, and controlling the first control valve to be closed and the second control valve to be opened according to the in-place signal so as to enable the liquid medicine in the batcher to flow into the mixing tank;
controlling a third control valve to be opened, and adding the liquid to be treated into the mixing tank according to a preset capacity parameter;
driving a stirring assembly to mix the liquid medicine and the liquid to be treated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211433197.9A CN115888476A (en) | 2022-11-16 | 2022-11-16 | Automatic medicine feeding system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211433197.9A CN115888476A (en) | 2022-11-16 | 2022-11-16 | Automatic medicine feeding system and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115888476A true CN115888476A (en) | 2023-04-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211433197.9A Pending CN115888476A (en) | 2022-11-16 | 2022-11-16 | Automatic medicine feeding system and control method thereof |
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| Country | Link |
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| CN (1) | CN115888476A (en) |
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- 2022-11-16 CN CN202211433197.9A patent/CN115888476A/en active Pending
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