CN219898014U - Stable dosing system under laminar flow state - Google Patents

Abstract

The utility model provides a stable medicine adding system in a laminar flow state, and aims to solve the technical problems of low medicine liquid configuration efficiency and poor medicine liquid output stability of the traditional medicine adding system. The system comprises: a liquid storage tank; the solution tank is communicated with the liquid storage tank through a centrifugal pump; the solution tank is connected with a water inlet pipe; the output end of the solution tank is connected with a liquid outlet pipe; a metering pump which is arranged on the liquid outlet pipe; the first liquid level meter is arranged on the solution tank; the water inlet valve, the outlet valve, the centrifugal pump and the first liquid level meter are electrically connected with the control system, and the control system receives communication data of the first liquid level meter and regulates and controls the opening and closing of the water inlet valve, the outlet valve and the centrifugal pump. The utility model can realize automatic liquid medicine preparation, not only can effectively improve the liquid medicine preparation efficiency, can always keep the medicine in the solution tank, but also can accurately prepare the medicine adding amount and the water adding amount, and the prepared medicine has better stability.

Description

Stable dosing system under laminar flow state

Technical Field

The utility model relates to the technical field of dosing systems, in particular to a stable dosing system in a laminar flow state.

Background

In the existing drug adding system, the drug is generally manually configured, the drug and a certain amount of water are manually added into a solution tank, and the drug solution configured in the solution tank is delivered by a pump. The mode has low working efficiency, the configured liquid medicine needs to be manually configured again after the use, if the operation is not timely, the normal addition of the atomized liquid medicine can be caused, the treatment efficiency of the next procedure is affected, and the liquid medicine lacks stability in the output process.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model aims to provide a stable medicine adding system in a laminar flow state, and solves the technical problems of low medicine liquid configuration efficiency and poor medicine liquid output stability of the traditional medicine adding system.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a stable dosing system in a laminar flow regime, comprising: a liquid storage tank; the solution tank is communicated with the liquid storage tank through a centrifugal pump; a water inlet pipe is connected to the solution tank; the output end of the solution tank is connected with a liquid outlet pipe; a metering pump which is arranged on the liquid outlet pipe; the first liquid level meter is arranged on the solution tank; the water inlet valve, the outlet valve, the centrifugal pump and the first liquid level meter are electrically connected with the control system, and the control system receives communication data of the first liquid level meter and regulates and controls the opening and closing of the water inlet valve, the outlet valve and the centrifugal pump.

According to the utility model, the liquid storage tank is additionally arranged, the centrifugal pump is controlled in a linkage manner through the liquid level meter to extract the liquid storage to the solution tank, when the liquid level in the solution tank is lower than the lower limit designed by the dosing liquid level meter, the control system is used for closing the outlet valve of the solution tank and adding water into the solution tank, and controlling the centrifugal pump to extract and dose the liquid storage for configuration, so that the automatic configuration of the liquid medicine is realized, the efficiency of liquid medicine configuration is effectively improved, the liquid medicine can be always maintained in the solution tank, the dosing amount and the dosing amount can be accurately configured, and the configured medicine has good stability.

Optionally, a liquid inlet pipe is connected to the liquid storage tank, and a valve is arranged on the liquid inlet pipe.

Optionally, a second liquid level meter is installed on the liquid storage tank, an output end of the second liquid level meter is electrically connected with a control system, and the control system receives the communication data of the second liquid level meter and regulates and controls the opening and closing of the alarm.

Optionally, a stirrer for stirring and mixing the solution is arranged in the solution tank.

Optionally, a filter is arranged on the liquid outlet pipe.

Optionally, the filter is a Y-filter.

Optionally, a liquid storage tank is further arranged between the liquid storage tank and the centrifugal pump, one end of the liquid storage tank is communicated with the liquid storage tank, the other end of the liquid storage tank is communicated with the input end of the centrifugal pump, and the output end of the centrifugal pump is communicated with the solution tank; the water inlet pipe comprises a water inlet main pipe, a first water inlet branch pipe and a second water inlet branch pipe, wherein the first water inlet branch pipe and the second water inlet branch pipe are connected with the water inlet main pipe, one ends of the first water inlet branch pipe and the second water inlet branch pipe, which are far away from the water inlet main pipe, are respectively communicated with the liquid storage tank and the solution tank, and a first water inlet valve and a second water inlet valve which are electrically connected with the control system are respectively arranged on the first water inlet branch pipe and the second water inlet branch pipe. The liquid storage tank is used for pre-configuration before the solution tank is configured, so that the configuration effect of the liquid medicine of the solution tank is improved, the mixing rate of the liquid medicine can be effectively increased, and the mixing uniformity is improved. But also can meet the working requirements of different working procedures, such as: and the water is synchronously added through the second water inlet branch pipe when the preparation medicine in the liquid storage tank is independently and quantitatively filled or the liquid medicine in the liquid storage tank is filled. The utility model is mainly used in an automatic dosing system for water treatment.

Optionally, the liquid storage tank pass through first pipeline with one side of liquid storage tank links to each other, the opposite side of liquid storage tank pass through the second pipeline with the input of centrifugal pump links to each other, the output of centrifugal pump pass through the third pipeline with the solution tank is linked together, be provided with first control valve and the second control valve with control system electric connection on first pipeline and the third pipeline.

Optionally, the dosing system further comprises a first flow meter for monitoring the dosing amount.

Optionally, the dosing system further comprises a second flow meter for monitoring the amount of dosing.

The utility model has the beneficial effects that:

when the utility model is used, fluid is in laminar flow (laminar flow is a flowing state of fluid and is in laminar flow), particles of the fluid move smoothly and linearly along the direction of a tube axis, and the laminar flowing state has smaller turbulent kinetic energy loss, so that higher flow and smaller flow resistance can be realized, and the stable flow speed and flow of the medicament can be kept in the output process. Through addding the liquid storage pond, under the PLC control program, the centrifugal pump is controlled through the level gauge coordinated control with the stock solution and is extracted to the solution jar, and the liquid level in the solution jar is less than the lower limit of dosing level gauge design, closes the outlet valve of solution jar and adds water to the solution jar in to control the centrifugal pump and extract the dosing and dispose, realize automatic configuration liquid medicine, not only can effectively improve the efficiency of disposing the liquid medicine, can remain the medicament throughout the solution jar, and dosing and the dosing volume also can be accurate configuration, and the medicament of disposition has better stability.

According to the utility model, the liquid storage tank is used for pre-configuration before the solution tank is configured, so that the configuration effect of the liquid medicine of the solution tank is improved, the mixing rate of the liquid medicine can be effectively accelerated, and the mixing uniformity is improved. But also can meet the working requirements of different working procedures, such as: and the water is synchronously added through the second water inlet branch pipe when the preparation medicine in the liquid storage tank is independently and quantitatively filled or the liquid medicine in the liquid storage tank is filled. The utility model is mainly used in an automatic dosing system for water treatment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of the present utility model.

FIG. 2 is a schematic diagram of the liquid storage tank, the liquid storage tank and the solution tank according to the present utility model.

Reference numerals: 1. a liquid storage tank; 2. a centrifugal pump; 3. a solution tank; 4. a metering pump; 5. a first level gauge; 6. a stirrer; 7. a filter; 8. a second level gauge; 9. a liquid storage tank; 11. a liquid inlet pipe; 12. a liquid outlet pipe; v12, outlet valve; 13. a water inlet main pipe; 14. a first water inlet branch pipe; v14, a first water inlet valve; 15. a second water inlet branch pipe; v15, a second water inlet valve; 16. a first pipe; v16, a first control valve; 17. a second pipe; 18. a third conduit; v18, a second control valve; 19. an exhaust duct; 20. a first flowmeter; 21. a second flowmeter.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in numerous different ways without departing from the spirit or scope of the embodiments of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

In the description of the embodiments of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," "end," "side," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of describing the embodiments of the present application and for simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the embodiments of the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

In the examples of the present application, unless explicitly specified and limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different implementations, or examples, for implementing different configurations of embodiments of the present utility model. In order to simplify the disclosure of embodiments of the present application, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the embodiments of the present application. Furthermore, the present application embodiments may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not in themselves indicate the relationship between the various embodiments and/or arrangements discussed.

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

Example 1

As shown in fig. 1 and fig. 2, an embodiment of the present utility model provides a stable dosing system in a laminar flow state, including: a liquid storage tank 1, a centrifugal pump 2, a solution tank 3, a metering pump 4, a first liquid level meter 5 and a stirrer 6.

The liquid storage tank 1 is communicated with the input end of the solution tank 3 through the centrifugal pump 2, the solution tank 3 is further connected with a water inlet pipe, the output end of the solution tank 3 is connected with a dosing system needing dosing through the metering pump 4, the solution tank 3 is provided with a first liquid level meter 5 and a stirrer 6, the first liquid level meter 5 is used for monitoring the liquid level inside the solution tank 3, and the stirrer 6 is used for stirring and mixing the liquid in the solution tank 3.

Specifically, the liquid storage tank 1 is communicated with the solution tank 3 through a pipeline, the centrifugal pump 2 is arranged on the pipeline, and the centrifugal pump 2 pumps the stored liquid medicine in the liquid storage tank 1 into the solution tank 3. The output end of the solution tank 3 is communicated with a dosing system (dosing device) requiring dosing through a liquid outlet pipe 12, a metering pump 4 is arranged on the liquid outlet pipe 12, and an outlet valve V12 is arranged on the liquid outlet pipe 12. The output end of the first liquid level meter 5 is electrically connected with the input end of the control system, the output end of the control system is electrically connected with the centrifugal pump 2, the outlet valve V12 and the water inlet valve on the water inlet pipe, and the control system receives the communication data of the first liquid level meter 5 and regulates and controls the opening and closing of the centrifugal pump 2 and the outlet valve V12. When the liquid level in the solution tank 3 is lower than the lower limit set by the first liquid level meter 5 in use, the outlet valve V12 of the solution tank 3 is closed, the water inlet valve and the centrifugal pump 2 are opened, so that the water is added into the solution tank 3 through the water inlet valve, the liquid medicine in the liquid storage tank 1 is extracted by the centrifugal pump 2 to the solution tank 3 for preparation, the outlet valve V12 of the solution tank 3 is opened after the preparation is completed, and the metering pump 4 is opened in linkage through the medicine adding system for medicine adding when medicine adding is needed.

Optionally, the drain pipe 12 is provided with a filter 7.

Optionally, the filter 7 is a Y-filter.

Optionally, a second liquid level meter 8 is installed on the liquid storage tank 1, and an output end of the second liquid level meter 8 is electrically connected with an input end of the control system.

Optionally, the liquid inlet pipe 11 of the liquid storage tank 1, and a valve is arranged on the liquid inlet pipe 11. When the liquid medicine in the liquid storage tank 1 is lower than the lower limit set by the second liquid level meter 8, the liquid medicine in the tank truck is communicated with the tank truck through the liquid inlet pipe 11, and the liquid medicine in the tank truck is added into the liquid storage tank 1. Alternatively, when the liquid medicine in the liquid storage tank 1 is lower than the lower limit set by the second liquid level meter 8, the alarm can be given by the audible alarm.

Optionally, the control system adopts a PLC control system.

In one embodiment, the dosing system is provided with a first flow meter for monitoring the amount of dosing. Alternatively, the first flow meter is an ultrasonic flow meter.

In one embodiment, the dosing system is provided with a second flow meter for monitoring the amount of water to be added. Alternatively, the second flowmeter is a float flowmeter.

Example 2

As shown in fig. 1 and fig. 2, an embodiment of the present utility model provides a stable dosing system in a laminar flow state, including: the liquid storage tank 1, the centrifugal pump 2, the solution tank 3, the metering pump 4, the first liquid level meter 5, the stirrer 6, the filter 7, the second liquid level meter 8 and the liquid storage tank 9.

In this embodiment, the water inlet pipe includes a main water inlet pipe 13, and a first water inlet branch pipe 14 and a second water inlet branch pipe 15 connected to the main water inlet pipe 13, where the first water inlet pipe 14 and the second water inlet branch pipe 15 are respectively provided with a first water inlet valve V14 and a second water inlet valve V15.

The inlet end of the liquid storage tank 1 is connected with a liquid inlet pipe 11, the outlet end of the liquid storage tank 1 is communicated with the liquid medicine inlet end on one side of the liquid storage tank 9 through a first pipeline 16, a first control valve V16 is arranged on the first pipeline 16, one end, far away from the water inlet main pipe 13, of a first water inlet branch pipe 14 is communicated with the water inlet end of the upper end of the liquid storage tank 9, the outlet end of the liquid storage tank 9 is connected with the input end of the centrifugal pump 2 through a second pipeline 17, the output end of the centrifugal pump 2 is connected with the liquid medicine inlet end of the liquid solution tank 3 through a third pipeline 18, a second control valve V18 is arranged on the third pipeline 18, and one end, far away from the water inlet main pipe 13, of the second water inlet branch pipe 15 is connected with the water inlet end of the liquid storage tank 3. The output end of the solution tank 3 is communicated with a dosing system needing dosing through a liquid outlet pipe 12, a metering pump 4 is arranged on the liquid outlet pipe 12, and an outlet valve V12 is arranged on the liquid outlet pipe 12. Be provided with first level gauge 5 and agitator 6 on solution jar 3, first level gauge 5 is used for monitoring the inside liquid level of solution jar 3, and agitator 6 is used for carrying out the stirring to the liquid in the solution jar 3 and mixes. Valves are arranged on the liquid inlet pipe 11, the second pipe 17 and other pipes.

The control system is electrically connected with the centrifugal pump 2, the outlet valve V12, the first water inlet valve V14, the second water inlet valve V15, the first control valve V16 and the second control valve V18 and is intelligently regulated and controlled by the control system.

Further, the output end of the first liquid level meter 5 is electrically connected with the input end of the control system, and the control system receives the communication data of the first liquid level meter 5 and regulates and controls the opening and closing of the centrifugal pump 2 and the outlet valve V12.

By the arrangement of the liquid storage tank 9, in use, before the liquid medicine is prepared in the solution tank 3, medicine and water can be added into the liquid storage tank 9 by opening the first control valve V16 and the first water inlet valve V14 so as to pre-prepare the liquid storage and the water in the liquid storage tank 9. When the liquid level in the solution tank 3 is lower than the lower limit set by the first liquid level meter 5, the outlet valve V12 of the solution tank 3 is closed, the centrifugal pump 3 is started, the centrifugal pump 3 extracts the solution which is preliminarily prepared in the liquid storage tank 9 into the solution tank 3, the stirrer 6 stirs and mixes the solution, after preparation, the outlet valve V12 of the solution tank 3 is opened, and when dosing is needed, the dosing pump 4 is opened through linkage of the dosing system for dosing. When the centrifugal pump 3 pumps the solution in the liquid storage tank 9, the second water inlet valve V15 can be synchronously opened, so that the second water inlet branch pipe 15 can add water into the solution tank 3. When the centrifugal pump 3 pumps the solution in the liquid storage tank 9, the first control valve V16 and the first water inlet valve V14 can be synchronously opened, so that the liquid storage tank 1 and the first water inlet branch pipe 14 can continuously charge the liquid storage tank 9 with medicine and water.

Optionally, the drain pipe 12 is provided with a filter 7, preferably, the filter 7 is a Y-type filter.

Optionally, a suction filter is further mounted on the end of the outlet pipe 12 inside the solution tank 3.

Optionally, a second liquid level meter 8 is installed on the liquid storage tank 1, and an output end of the second liquid level meter 8 is electrically connected with an input end of the control system. When the liquid medicine in the liquid storage tank 1 is lower than the lower limit set by the second liquid level meter 8, the liquid medicine in the tank truck is communicated with the tank truck through the liquid inlet pipe 11, and the liquid medicine in the tank truck is added into the liquid storage tank 1. In one embodiment, when the liquid medicine in the liquid storage tank 1 is lower than the lower limit set by the second liquid level meter 8, the alarm can be given by the sound alarm.

Optionally, the control system adopts a PLC control system.

Optionally, an exhaust pipe 19 is further provided at the upper end of the liquid storage tank 9, and an exhaust valve is provided on the exhaust pipe 19.

In one embodiment, the dosing system is provided with a first flow meter 20 for monitoring the amount of dosing. Alternatively, the first flow meter 20 is an ultrasonic flow meter. Optionally, a first flow meter 20 is mounted on the conduit between the metering pump 4 and the dosing device.

In one embodiment, the dosing system is provided with a second flowmeter 21 for monitoring the amount of water to be added. Alternatively, the second flowmeter 21 is a float flowmeter.

The details of this embodiment are not described in detail, and are known in the art.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. A stable dosing system in a laminar flow regime, comprising:

a liquid storage tank (1);

the solution tank (3) is communicated with the liquid storage tank (1) through a centrifugal pump (2);

a water inlet pipe is connected to the solution tank (3);

the output end of the solution tank (3) is connected with a liquid outlet pipe (12);

a metering pump (4) which is arranged on the liquid outlet pipe (12);

a first level gauge (5) mounted on the solution tank (3);

the centrifugal pump comprises a water inlet pipe, a liquid outlet pipe (12), a water inlet valve, a water outlet valve (V12), a centrifugal pump (2) and a first liquid level meter (5), wherein the water inlet pipe and the liquid outlet pipe (12) are respectively provided with the water inlet valve and the outlet valve (V12), the water inlet valve, the outlet valve (V12), the centrifugal pump (2) and the first liquid level meter (5) are electrically connected with a control system, and the control system receives communication data of the first liquid level meter (5) and regulates and controls the opening and closing of the water inlet valve, the outlet valve (V12) and the centrifugal pump (2).

2. The dosing system according to claim 1, characterized in that the reservoir (1) is connected with a liquid inlet pipe (11), and the liquid inlet pipe (11) is provided with a valve.

3. The dosing system according to claim 1, characterized in that a second liquid level meter (8) is installed on the liquid storage tank (1), the output end of the second liquid level meter (8) is electrically connected with a control system, and the control system receives communication data of the second liquid level meter (8) and regulates and controls the opening and closing of the alarm.

4. Dosing system according to claim 1, characterized in that a stirrer (6) for stirring and mixing the solution is arranged in the solution tank (3).

5. Dosing system according to claim 1, characterized in that the outlet tube (12) is provided with a filter (7).

6. Dosing system according to claim 5, characterized in that the filter (7) is a Y-filter.

7. The dosing system according to any one of claims 1-6, characterized in that a liquid storage tank (9) is further arranged between the liquid storage tank (1) and the centrifugal pump (2), one end of the liquid storage tank (9) is communicated with the liquid storage tank (1), the other end is communicated with the input end of the centrifugal pump (2), and the output end of the centrifugal pump (2) is communicated with the solution tank (3); the water inlet pipe comprises a water inlet main pipe (13) and a first water inlet branch pipe (14) and a second water inlet branch pipe (15) which are connected with the water inlet main pipe (13), wherein one ends of the first water inlet branch pipe (14) and the second water inlet branch pipe (15) which are far away from the water inlet main pipe (13) are respectively communicated with the liquid storage tank (9) and the solution tank (3), and a first water inlet valve (V14) and a second water inlet valve (V15) which are electrically connected with a control system are respectively arranged on the first water inlet branch pipe (14) and the second water inlet branch pipe (15).

8. The dosing system according to claim 7, characterized in that the reservoir (1) is connected to one side of the reservoir (9) via a first pipe (16), the other side of the reservoir (9) is connected to the input of the centrifugal pump (2) via a second pipe (17), the output of the centrifugal pump (2) is connected to the solution tank (3) via a third pipe (18), and the first pipe (16) and the third pipe (18) are provided with a first control valve (V16) and a second control valve (V18) electrically connected to the control system.

9. The dosing system according to claim 1, further comprising a first flow meter (20) for monitoring the amount of dosing.

10. The dosing system according to claim 1, further comprising a second flow meter (21) for monitoring the dosing amount.