CN217646226U - Automatic medicine dispensing system - Google Patents
Automatic medicine dispensing system Download PDFInfo
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- CN217646226U CN217646226U CN202220923971.3U CN202220923971U CN217646226U CN 217646226 U CN217646226 U CN 217646226U CN 202220923971 U CN202220923971 U CN 202220923971U CN 217646226 U CN217646226 U CN 217646226U
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Abstract
The utility model provides an automatic medicine dispensing system, which comprises a medicine diluting pool, a stirrer, a diluting water conveying mechanism, a medicine conveying mechanism, a liquid level meter and a controller, wherein the liquid level meter is arranged in the medicine diluting pool and is used for detecting liquid level data in the medicine diluting pool and transmitting the liquid level data to the controller; the reagent diluting pool is communicated with a diluting water conveying mechanism, the reagent diluting pool is also communicated with a reagent conveying mechanism, the diluting water conveying mechanism is used for conveying diluting water into the reagent diluting pool, and the reagent conveying mechanism is used for conveying a reagent stock solution into the reagent diluting pool; the controller is connected with the dilution water conveying mechanism and the medicament conveying mechanism and is used for controlling the working states of the dilution water conveying mechanism and the medicament conveying mechanism according to the liquid level data; the automatic control of the addition of the medicament stock solution and the dilution water according to the set proportion is realized, the dilution of the medicament stock solution and the supplement of the medicament in the medicament dilution tank are completed, and the stability of the medicament dilution is effectively improved.
Description
Technical Field
The utility model belongs to the sewage treatment field, concretely relates to automatic dispensing system.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In order to control the adding amount of a medicament such as a phosphorus removal medicament in a reasonable range, a sewage treatment plant needs to dilute a medicament stock solution purchased and stored in the plant according to a certain proportion and then add the diluted medicament stock solution to a sewage treatment unit through a medicament adding pump. The original liquid of the medicament is diluted manually, namely a medicament delivery pump and a dilution water valve are manually controlled, a certain amount of original liquid of the medicament and dilution water are added into a medicament dilution pool, and the original liquid of the medicament is diluted by the water;
this brings about the following problems:
1.1 repetitive work increases. When the liquid level of the medicament diluting tank is low, water inlet operation needs to be carried out through different valves, and the medicament delivery pump is manually started to carry out medicament administration operation.
1.2 the administration is inconvenient. The medicament delivery pump cannot be operated in a dosing room, and can only start and stop at an operation box beside the medicament storage tank.
1.3 the problem of the proportion of the liquid medicine. At present, when dispensing is carried out, a water inlet valve is opened manually, then the opening and closing time of a dosing pump is selected according to experience, the number of human factors is large, the proportioning of liquid medicine is not standard, the concentration of the liquid medicine cannot be kept relatively stable, and waste or the sewage treatment effect is reduced due to the concentration problem.
At present, a sewage treatment plant needs to continuously add diluted medicament, and the mode of artificially diluting the medicament stock solution can cause staff to repeatedly carry out dilution operation, so that the workload is increased. Meanwhile, the addition of the original solution of the medicament and the dilution water is manually controlled, so that the dilution ratio of the medicament is difficult to stably maintain at a target level, and the control of the effective addition of the medicament is not favorable for achieving a stable sewage treatment effect.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model adopts the following technical scheme:
an apas comprising: the device comprises a medicament dilution pool, a stirrer, a dilution water conveying mechanism, a medicament conveying mechanism, a liquid level meter and a controller;
the medicament diluting pool is communicated with a diluting water conveying mechanism, the medicament diluting pool is also communicated with a medicament conveying mechanism, the diluting water conveying mechanism is used for conveying diluting water into the medicament diluting pool, and the medicament conveying mechanism is used for conveying medicament stock solution into the medicament diluting pool;
the liquid level meter is arranged in the medicament diluting pool and used for detecting liquid level data in the medicament diluting pool and transmitting the liquid level data to the controller;
the controller is connected with the dilution water conveying mechanism and the medicament conveying mechanism and used for receiving the liquid level data and controlling the working states of the dilution water conveying mechanism and the medicament conveying mechanism when the liquid level data reaches a set threshold value; the thresholds include 20 percent of the drug dilution reservoir volume and 80 percent of the dilution reservoir volume.
Dilution water conveying mechanism includes dilution water pipe, dilution water solenoid valve, dilution water storage tank, dilution water delivery pump, and dilution water pipe one end intercommunication dilution water storage tank, other end intercommunication medicament dilution pond, and the dilution water pipe still is connected with dilution water delivery pump, and the dilution water in with the dilution water storage tank passes through the dilution water pipe through dilution water delivery pump and carries to the medicament dilution pond, install the dilution water solenoid valve on the dilution water pipe. The diluting water electromagnetic valve is arranged in front of the outlet of the diluting water pipe close to the medicament diluting pool and used for starting or stopping adding of diluting water into the medicament diluting pool. The tank body of the medicament diluting tank is made of reinforced concrete, and an anti-corrosion layer is arranged on the inner wall of the tank body.
The medicament conveying mechanism comprises a medicament pipe, a medicament electromagnetic valve, a medicament storage tank and a medicament conveying pump, one end of the medicament pipe is communicated with the medicament storage tank, the other end of the medicament pipe is communicated with the medicament diluting pool, the medicament pipe is further connected with the medicament conveying pump, medicament stock solution in the medicament storage tank is conveyed to the medicament diluting pool through the medicament pipe through the medicament conveying pump, and the medicament electromagnetic valve is installed on the medicament pipe. The medicament electromagnetic valve is arranged behind the medicament delivery pump and in front of the outlet of the medicament pipe close to the medicament diluting pool.
The stirrer adopts a propeller stirrer, a turbine stirrer or a paddle stirrer. The agitator is installed on the platform that is fixed in medicament diluting tank upper surface, and the platform both ends are fixed in pond both sides wall upper end, and the pivot and the stirring rake of agitator stretch into perpendicularly in the medicament diluting tank.
The liquid level meter is installed on a mounting bracket fixed at the upper end of the side wall of the medicament diluting pool, the upper end surface of the mounting bracket is parallel to the upper end surface of the medicament diluting pool, and the liquid level meter vertically extends into the medicament diluting pool.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a but automatic dispensing system automated inspection medicament dilutes the liquid level in the pond and is the medicament volume in the medicament dilution pond, and when the liquid level reduced to liquid level lower limit in the pond, automatic control medicament stock solution and dilution water were added according to the proportion of setting for, and the dilution of accomplishing the medicament stock solution and the replenishment of medicament in the medicament dilution pond effectively improve the stability that the medicament dilutes, guarantee the sewage treatment effect. Meanwhile, the labor intensity of workers is effectively reduced.
Advantages of additional aspects of the invention 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 invention.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
FIG. 1 is a schematic structural view of an automatic dispensing system of the present invention;
wherein: 1-medicament diluting pool, 2-stirrer, 3-liquid level meter, 4-controller, 5-diluting water pipe, 6-medicament pipe, 7-diluting water electromagnetic valve, 8-medicament electromagnetic valve, 9-diluting water storage tank, 10-diluting water delivery pump, 11-medicament storage tank, 12-medicament delivery pump.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The first embodiment is as follows:
as shown in fig. 1, the present embodiment provides an apas including a drug dilution tank, an agitator, a dilution water delivery mechanism, a drug delivery mechanism, a level gauge, and a controller,
the liquid level meter is arranged in the medicament diluting tank and used for detecting liquid level data in the medicament diluting tank and transmitting the liquid level data to the controller;
the medicament diluting pool is communicated with a diluting water conveying mechanism, the medicament diluting pool is also communicated with a medicament conveying mechanism, the diluting water conveying mechanism is used for conveying diluting water into the medicament diluting pool, and the medicament conveying mechanism is used for conveying medicament stock solution into the medicament diluting pool;
the controller is connected with the dilution water conveying mechanism and the medicament conveying mechanism and used for controlling the working states of the dilution water conveying mechanism and the medicament conveying mechanism according to the liquid level data.
The liquid level meter is installed on an installation support fixed at the upper end of the side wall of the medicament diluting tank, the upper end face of the installation support is parallel to the upper end face of the medicament diluting tank, and the liquid level meter vertically extends into the tank and is used for measuring the liquid level of the medicament in the tank.
The stirrer can adopt a propeller stirrer, a turbine stirrer or a paddle stirrer; the agitator is installed on the platform that is fixed in medicament dilution pond upper surface, and the platform both ends are fixed in pond both sides wall upper end, and the pivot and the stirring rake of agitator stretch into the pond perpendicularly for carry out the continuous stirring to the medicament in the pond.
Dilution water conveying mechanism is including diluting water pipe, dilution water solenoid valve, dilution water storage tank, dilution water delivery pump, and dilution water pipe one end intercommunication dilution water storage tank, other end intercommunication medicament dilution pond, and the dilution water pipe still is connected with dilution water delivery pump, and the dilution water in with the dilution water storage tank through dilution water delivery pump passes through the dilution water pipe and carries to the medicament dilution pond, install the dilution water solenoid valve on the dilution water pipe, the dilution water solenoid valve is installed before the export of the dilution water pipe that is close to the medicament dilution pond for open or stop the dilution water and add the medicament dilution pond.
The diluting water pipe is made of plastics such as polyvinyl chloride (PVC), polypropylene (PPR) and Polyethylene (PE), carbon steel or stainless steel and is used for conveying tap water of diluent stock solution or purified reclaimed water; the dilution water pipe is connected with a dilution water storage tank, a dilution water delivery pump and a dilution water electromagnetic valve.
The dilution water storage tank is made of reinforced concrete, glass fiber reinforced plastic, polyethylene (PE), carbon steel or stainless steel, is used for storing tap water of the diluted medicament stock solution or purified regeneration water, and is connected with the dilution water delivery pump through a dilution water pipe.
The dilution water delivery pump is used for delivering the dilution water in the dilution water storage tank to the medicament dilution tank through a dilution water pipe.
The medicament delivery mechanism comprises a medicament pipe, a medicament electromagnetic valve, a medicament storage tank and a medicament delivery pump, one end of the medicament pipe is communicated with the medicament storage tank, the other end of the medicament pipe is communicated with the medicament dilution tank, the medicament pipe is further connected with the medicament delivery pump, and medicament stock solution in the medicament storage tank is delivered to the medicament dilution tank through the medicament pipe by the medicament delivery pump, the medicament electromagnetic valve is installed on the medicament pipe and is installed behind the medicament delivery pump and close to the medicament pipe outlet of the medicament dilution tank, and the medicament delivery mechanism is used for opening or stopping the addition of the medicament stock solution into the medicament dilution tank.
The medicament tube is used for conveying a medicament stock solution to be diluted; the material is plastic such as polyvinyl chloride (PVC), polypropylene (PPR), polyethylene (PE) and the like, carbon steel or stainless steel, and an anticorrosive layer is required to be arranged on the inner wall of the steel medicament pipe when the steel medicament pipe is used for conveying corrosive medicament stock solution; is connected with a medicament storage tank, a medicament delivery pump and a medicament electromagnetic valve.
The medicament electromagnetic valve is arranged behind the medicament delivery pump and in front of a medicament tube outlet close to the medicament diluting pool and used for starting or stopping adding the medicament stock solution into the medicament diluting pool.
The controller can adopt a PLC controller, utilizes preset time, and after the liquid level meter transmits detected data to the controller, the controller controls the medicament conveying mechanism and the dilution water conveying mechanism to be started to set time length, and set amounts of medicament stock solution and dilution water are added into the medicament dilution tank. The controller receives the liquid level data to control dilution water conveying mechanism and medicament conveying mechanism's operating condition when the liquid level data reaches the settlement threshold value, the threshold value can be 20 percent of medicament dilution pond volume and 80 percent of medicament dilution pond volume, under the condition that the pond is high 3 meters, liquid level lower limit is apart from pond inboard bottom 0.6 meters, stop adding medicine when the level gauge reaches 80 percent of volume, under the condition that the pond is high 3 meters, the liquid level upper limit is apart from pond inboard bottom 2.4 meters.
The working principle is as follows: in the production operation process of a sewage treatment plant, when an automatic dispensing system detects that the liquid level in a medicament diluting tank drops to a set liquid level lower limit, the system dilutes medicament stock solution in two ways to supplement the medicament in the tank:
the first method is as follows: the controller automatically opens the medicament electromagnetic valve and the medicament delivery pump in turn, and simultaneously opens the dilution water electromagnetic valve and the dilution water delivery pump, and adds the medicament stock solution and the dilution water into the tank.
The second method comprises the following steps: the controller automatically turns on the medicament electromagnetic valve and the medicament delivery pump in sequence firstly, and adds the medicament stock solution into the tank, the system presets the medicament stock solution adding stopping liquid level according to the upper limit of the liquid level allowed by the medicament dilution tank and the dilution proportion of the medicament stock solution, and when the system detects that the liquid level in the tank reaches the set medicament stock solution adding stopping liquid level, the controller automatically turns off the medicament delivery pump and the medicament electromagnetic valve in sequence. And then, the controller automatically turns on the electromagnetic valve of the dilution water and the delivery pump of the dilution water in turn, the dilution water is added into the tank, and when the system detects that the liquid level in the tank reaches the upper limit of the allowable liquid level of the medicament dilution tank, the controller automatically turns off the delivery pump of the dilution water and the electromagnetic valve of the dilution water in turn.
In the process of adding the medicament stock solution and the dilution water into the medicament dilution tank, the medicament stock solution and the dilution water are uniformly mixed under the stirring action of the stirrer to reach the preset dilution ratio.
Example two:
an automatic dispensing system mainly comprises a medicament dilution pool, a stirrer, a liquid level meter, a controller, a dilution water pipe, a dilution water electromagnetic valve, a dilution water storage tank, a dilution water delivery pump, a medicament pipe, a medicament electromagnetic valve, a medicament storage tank and a medicament delivery pump. The tank body of the reagent diluting tank is made of reinforced concrete, an anticorrosive layer is arranged on the inner wall of the tank body, the length of the inner side of the tank is 3 meters, the width of the inner side of the tank is 3 meters, the height of the inner side of the tank is 2.5 meters, the lower limit of the liquid level is 0.5 meter from the bottom of the inner side of the tank, and the upper limit of the allowable liquid level is 2.0 meters from the bottom of the inner side of the tank; the stirrer adopts a turbine stirrer. The liquid level meter adopts an ultrasonic liquid level meter. The diluting water pipe and the medicament pipe are made of Polyethylene (PE), and the pipe diameters of the diluting water pipe and the medicament pipe are 50mm; the material of the dilution water storage tank is Polyethylene (PE); the medicament storage tank is made of glass fiber reinforced plastic.
And the operation function is newly added, a control cable from the dosing room to the operation box of the medicament storage tank is laid, and a contactor is added in the operation box, so that the operation of the medicament delivery pump in the dosing room is realized.
Utilize original medicament to dilute pond level gauge, liquid level transmitter to newly-increased supply line solenoid valve and control system realize that the medicament dilutes the pond and dispenses automatically, begin to dispense when low liquid level (0.5 m), stop dispensing when high liquid level (2.0 m).
When automatic dispensing is carried out, the proportional control of the addition of the medicament stock solution and the dilution water can be realized by a time relay. The liquid level increasing speed of the medicament diluting pool is increased when the diluting water pipeline and the medicament pipeline are independently opened according to actual measurement, and the adding amount of the diluting water and the medicament stock solution is accurately determined by controlling the closing time of the medicament pipeline. When the liquid level is 0.5m, automatic medicine dispensing is started: opening a medicament delivery pump to add medicaments, and opening a dilution water electromagnetic valve to add water; stopping the medicament delivery pump when the time relay sets the time, wherein the set time is determined by the actually measured liquid level increasing speed, and simultaneously continuously adding dilution water; when the liquid level is 2.0m, stopping adding the dilution water, closing the electromagnetic valve of the dilution water, and finishing the automatic dispensing process.
The delay time of the time relay is determined, and the proportion of the addition of the medicament stock solution and the dilution water requires: 1:3; automatic medicine liquid preparation level difference: 150cm (0.5-2.0 m); dilution water level lifting speed: 5.5cm/min; the liquid level lifting speed of the medicament stock solution is as follows: 1.9cm/min; according to the data, when the automatic medicine dispensing is carried out, the medicine stock solution is required to be added to lift the liquid level to 37.5cm,37.5/1.9 is approximately equal to 19.7min, and the time delay time of the time relay is determined to be 19.7min. Adding the original liquid and the dilution water at the liquid level of 0.5 m; after 19.7min, stopping adding the medicament stock solution; and stopping adding the dilution water when the liquid level is 2.0m, and finishing the dosage.
The proportional error of the addition of the medicament stock solution and the dilution water shows that the liquid level of the medicament dilution tank can be reduced due to the continuous work of the dosing metering pump, and the reduction speed is difficult to actually determine due to the fact that the dosing metering pump has different starting number, working stroke and other conditions; meanwhile, compared with the liquid level ascending speed during dispensing, the descending speed is smaller in magnitude, so that the time relay does not consider the liquid level descending factor of the medicament diluting tank in time delay, and the influence of the descending factor can be corrected according to the actual operation condition.
The operation mode comprises a manual mode and an automatic mode, wherein the manual mode comprises the following steps: manually controlling the opening and closing of the medicament electromagnetic valve and the dilution water electromagnetic valve and starting and stopping the medicament delivery pump and the dilution water delivery pump; the automatic mode is as follows: the medicine is automatically dispensed according to the liquid level of the medicine diluting pool.
As an embodiment, the circuit breaker can adopt Delwey C40, and a control loop supplies power; the contactor adopts ABB A12-30-10 for controlling a main loop of the medicament delivery pump; the intermediate relay adopts Schneider 8A1327B and provides a medicament delivery pump and a dilution water delivery pump/a medicament electromagnetic valve and a dilution water electromagnetic valve for control; the time relay adopts Shanghai normal JSZ3 to provide delayed stop for the medicament delivery pump and the dilution water delivery pump; the button adopts T.E ZB2-BWM, and provides a medicament delivery pump and a dilution water delivery pump/a medicament electromagnetic valve and a dilution water electromagnetic valve for manual start and stop; the liquid level meter adopts E + H FMU30-1-2-/0 to provide liquid level measurement for the medicament diluting tank; the liquid level transmitter adopts Changhui SWP-C90 to provide liquid level display alarm and start-stop control output of the medicament diluting pool; the medicament electromagnetic valve and the dilution water electromagnetic valve adopt ASCO MO-062818-105 to provide the on-off of a medicament pipe and a dilution water pipe; the control cable is of a Baosheng type of 50M, and provides a medicament delivery pump and a dilution water delivery pump for control.
Although the specific embodiments of the present invention have been described above with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications or variations that can be made by those skilled in the art without inventive work may be included within the scope of the present invention.
Claims (10)
1. An apas, comprising: the device comprises a medicament dilution pool, a stirrer, a dilution water conveying mechanism, a medicament conveying mechanism, a liquid level meter and a controller;
the medicament diluting pool is communicated with a diluting water conveying mechanism, the medicament diluting pool is also communicated with a medicament conveying mechanism, the diluting water conveying mechanism is used for conveying diluting water into the medicament diluting pool, and the medicament conveying mechanism is used for conveying medicament stock solution into the medicament diluting pool;
the liquid level meter is arranged in the medicament diluting pool and used for detecting liquid level data in the medicament diluting pool and transmitting the liquid level data to the controller;
the controller is connected with the dilution water conveying mechanism and the medicament conveying mechanism and used for receiving the liquid level data and controlling the working states of the dilution water conveying mechanism and the medicament conveying mechanism when the liquid level data reaches a set threshold value.
2. The APAS of claim 1, wherein the dilution water delivery mechanism comprises a dilution water pipe, a dilution water solenoid valve, a dilution water storage tank, and a dilution water delivery pump, wherein one end of the dilution water pipe is communicated with the dilution water storage tank, the other end of the dilution water pipe is communicated with the drug dilution tank, the dilution water pipe is further connected with the dilution water delivery pump, the dilution water in the dilution water storage tank is delivered to the drug dilution tank through the dilution water pipe by the dilution water delivery pump, and the dilution water solenoid valve is mounted on the dilution water pipe.
3. The apas of claim 2 wherein said dilution water solenoid valve is mounted in front of the outlet of the dilution water line adjacent the drug dilution well for turning on or off the addition of dilution water to the drug dilution well.
4. The automated dispensing system of claim 1, wherein the tank body of the reagent diluting tank is made of reinforced concrete, and an anti-corrosion layer is disposed on the inner wall of the tank body.
5. The apas of claim 1 wherein the drug delivery mechanism includes a drug tube, a drug solenoid valve, a drug reservoir, and a drug delivery pump, the drug tube is connected to the drug reservoir at one end and to the drug dilution tank at the other end, the drug tube is further connected to the drug delivery pump, the drug stock solution in the drug reservoir is delivered to the drug dilution tank through the drug tube by the drug delivery pump, and the drug solenoid valve is mounted on the drug tube.
6. The APAS of claim 5 wherein the drug solenoid valve is mounted after the drug delivery pump and before the drug tube outlet proximate the drug dilution reservoir.
7. The apas of claim 1 wherein said agitator is a propeller, turbine, or paddle agitator.
8. The apas of claim 1 wherein the agitator is mounted on a platform secured to the top surface of the reagent dilution well, the platform being secured at each end to the top ends of the two side walls of the well, the shaft of the agitator and the paddle extending vertically into the reagent dilution well.
9. The apas of claim 1 wherein the level gauge is mounted on a mounting bracket fixed to an upper end of a side wall of the diluting well, an upper end surface of the mounting bracket being parallel to an upper end surface of the diluting well, the level gauge extending vertically into the diluting well.
10. The apas of claim 1 wherein said threshold values include 20 percent of the volume of the drug dilution pool and 80 percent of the volume of the dilution pool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220923971.3U CN217646226U (en) | 2022-04-19 | 2022-04-19 | Automatic medicine dispensing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220923971.3U CN217646226U (en) | 2022-04-19 | 2022-04-19 | Automatic medicine dispensing system |
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| Publication Number | Publication Date |
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| CN217646226U true CN217646226U (en) | 2022-10-25 |
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| CN202220923971.3U Active CN217646226U (en) | 2022-04-19 | 2022-04-19 | Automatic medicine dispensing system |
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| CN (1) | CN217646226U (en) |
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