CN205323670U - Solution preparation - Google Patents
Solution preparation Download PDFInfo
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- CN205323670U CN205323670U CN201521047240.3U CN201521047240U CN205323670U CN 205323670 U CN205323670 U CN 205323670U CN 201521047240 U CN201521047240 U CN 201521047240U CN 205323670 U CN205323670 U CN 205323670U
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- liquid mixing
- mixing system
- agitation tank
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Abstract
The utility model provides a solution preparation, including joining in marriage fluid reservoir, weighing module, adjustment mechanism and control module, weighing module installs in the bottom of joining in marriage the fluid reservoir, and it has the material to join in marriage to store in the fluid reservoir, weighing module be used for the every at one time section collection join in marriage the weight of fluid reservoir to to join in marriage the weight of fluid reservoir and send to control module, control module is used for the basis the time quantum with in the time quantum the weight change value output of joining in marriage the fluid reservoir the flow of material, and according to the flow of material generates conditioning signal, and will conditioning signal send to adjustment mechanism, adjustment mechanism is used for adjusting the flow of material. Compared with the prior art, the utility model discloses has saved the use of flowmeter, but has utilized among the solution preparation original weighing module to gather and join in marriage the weight of fluid reservoir and send it to control module, through control module control adjustment mechanism, and then realized real -time, accurate purpose of adjusting the material flow, simultaneously greatly reduced the cost.
Description
Technical field
This utility model relates to liquid mixing system field, particularly to a kind of liquid mixing system。
Background technology
In pharmaceutical industry liquid mixing system, in order to meet the requirement of proportioning accuracy, Agitation Tank generally configures Weighing module, by Weighing module, the quality of material in storage tank is controlled。In some cases, material needs to be transferred to another storage tank or corresponding equipment according to certain flow from a storage tank, at this moment the method generally adopted is that usage ratio regulates valve and the mutually coordinated method of mass flowmenter to realize flow-control, wherein, mass flowmenter can directly gather the flow of material, the problem solving flow-control well。
But the introducing of mass flowmenter has the disadvantage in that first, adding the cost of engineering, mass flow is calculated as the effusion meter that control accuracy is higher, expensive；Second, limited by in-site installation space, mass flowmenter is vertically-mounted to be often difficult to, and is difficult to on-the-spot fixing, and level installation can exist cleaning dead angle, brings certain difficulty to the cleaning validation of system pipeline, increases the risk of systemic contamination。
Utility model content
The technical problems to be solved in the utility model is to utilize mass flowmenter and ratio adjusting valve to control flow and there is cost height in prior art to overcome, install defect that is limited and that clean difficulty, it is provided that a kind of without mass flowmenter, the liquid mixing system that utilizes original Weighing module to can be realized as flow-control。
This utility model is to solve above-mentioned technical problem by following technical proposals:
A kind of liquid mixing system, including an Agitation Tank and a Weighing module, it is characterised in that described liquid mixing system also includes a governor motion and and controls module, and described Weighing module is installed on the bottom of described Agitation Tank, stores material in described Agitation Tank,
Described Weighing module for gathering the weight of described Agitation Tank every a time period, and sends the weight of described Agitation Tank to described control module,
Described control module is for exporting the flow of described material according to the weight change value of described Agitation Tank in described time period and described time period, and the traffic generating one according to described material regulates signal, and sends described adjustment signal to described governor motion,
Described governor motion is for regulating the flow of described material。
Compared with the liquid mixing system utilizing effusion meter collection mass flow in prior art, this programme is by utilizing the weight of the original Weighing module Real-time Collection Agitation Tank of liquid mixing system and being translated into the flow of material, and the traffic generating one according to material regulates signal, described governor motion is for the flow of material according to described adjustment Signal Regulation, thus forming closed loop control, so that the flow of described material approaches the flow of user preset, achieve the purpose of adjustment mass flow real-time, accurate, greatly reduce cost simultaneously。Wherein, controlling module can be the processor chips such as PLC (programmable logic controller (PLC)), single-chip microcomputer, DSP (Digital Signal Processing) or ARM (a Reduced Instruction Set Computer microprocessor)。
It addition, the liquid mixing system of this programme meets 316L (the stainless steel material trade mark) pharmaceutical grade sanitary standard, compliant requirement is installed, and without cleaning dead angle。
It is preferred that described liquid mixing system also includes a discharge pipe tank connected with described dosing, described discharge pipe is used for transporting described material, and described governor motion is located on described discharge pipe。In this programme, so that the material in Agitation Tank can all flow out, described discharge pipe is set to be connected with the bottom of described Agitation Tank。
In this programme, the material in Agitation Tank is flowed out by discharge pipe, controls module and sends adjustment signal to the governor motion on discharge pipe, and governor motion is for the flow according to described adjustment Signal Regulation material。
It is preferred that described governor motion is a ratio adjusting valve, described ratio adjusting valve for regulating the flow of described material by increasing or reduce the mode of aperture。Wherein, governor motion is not limited to the ratio adjusting valve in this programme, it is also possible to have the mechanism of adjustment effect for other, for instance be capable of the governor motion that PID (PID) controls。
It is preferred that described liquid mixing system also includes a display device, described control module is additionally operable to be sent by the flow of described material to described display device, and described display device is for showing the flow of described material。
It is preferred that described display device is additionally operable to send the flow of described material。
In this programme, the display device of liquid mixing system at display mass flow at the same time it can also be the flow of material is sent, for instance send to background server, convenient management。
Positive progressive effect of the present utility model is in that: compared with prior art, liquid mixing system in this utility model eliminates the use of effusion meter, but utilize original Weighing module in liquid mixing system gather the weight of Agitation Tank and send it to control module, it is the flow of material by controlling module by the weight conversion of Agitation Tank, and the flow of material is regulated by governor motion, and then achieve the purpose of adjustment mass flow real-time, accurate, greatly reduce cost simultaneously。
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the liquid mixing system of this utility model embodiment。
Detailed description of the invention
Name a preferred embodiment, and become apparent from intactly illustrating this utility model in conjunction with accompanying drawing。
A kind of liquid mixing system 10, as shown in Figure 1, including Agitation Tank 11, Weighing module 12, discharge pipe 13, ratio adjusting valve 14, control module 15 and display device 16, Agitation Tank 11 stores material, the weight of Agitation Tank can be gradually reduced along with the outflow of material, and Weighing module 12 is installed on the bottom of Agitation Tank 11, and discharge pipe 13 is connected with the bottom of Agitation Tank 11, ratio adjusting valve 14 is located on discharge pipe 13
Described Weighing module for gathering the weight of described Agitation Tank every a time period, and sends the weight of described Agitation Tank to described control module。
Described discharge pipe is used for transporting described material。
Described control module is for exporting the flow of described material according to the weight change value of described Agitation Tank in described time period and described time period, and the traffic generating one according to described material regulates signal, and sends described adjustment signal to described ratio adjusting valve。
Described ratio adjusting valve for regulating the flow of described material by increasing or reduce the mode of aperture, so that the flow of described material approaches the flow of user preset。
Described control module is additionally operable to send to described display device the flow of described material, and described display device is for showing the flow of described material and being sent by the flow of described material。
How the liquid mixing system illustrating in the present embodiment that gives a concrete illustration below realizes flow-control。
If needing the material in Agitation Tank is transferred to device A, the flow of user preset is 12.17kg/min, and the aperture of ratio adjusting valve is 50%。Weighing module for gathering the weight of Agitation Tank every 0.01 second, control module and for the flow of outputting material and generate an adjustment signal, and described adjustment signal is sent to described ratio adjusting valve, described ratio adjusting valve for regulating the flow of material by increasing or reduce the mode of aperture。Through test, the flow of material maintains 12.181kg/min, and the error between the flow of user preset is 0.011kg/min, and the precision of flow-control has reached 9/10000ths。
The liquid mixing system of the present embodiment eliminates the use of effusion meter, but utilize original Weighing module in liquid mixing system gather the weight of Agitation Tank and send it to control module, it is the flow of material by controlling module by the weight conversion of Agitation Tank, and the flow of material is regulated by governor motion, define closed loop control, and then achieve the purpose of adjustment mass flow real-time, accurate, greatly reduce cost simultaneously, and avoid and problem that is limited and that clean difficulty is installed。
Although the foregoing describing detailed description of the invention of the present utility model, it will be appreciated by those of skill in the art that these are merely illustrative of, protection domain of the present utility model is defined by the appended claims。Those skilled in the art is under the premise without departing substantially from principle of the present utility model and essence, it is possible to these embodiments are made various changes or modifications, but these change and amendment each falls within protection domain of the present utility model。
Claims (5)
1. a liquid mixing system, including an Agitation Tank and a Weighing module, it is characterised in that described liquid mixing system also includes a governor motion and and controls module, and described Weighing module is installed on the bottom of described Agitation Tank, stores material in described Agitation Tank,
Described Weighing module for gathering the weight of described Agitation Tank every a time period, and sends the weight of described Agitation Tank to described control module,
Described control module is for exporting the flow of described material according to the weight change value of described Agitation Tank in described time period and described time period, and the traffic generating one according to described material regulates signal, and sends described adjustment signal to described governor motion,
Described governor motion is for regulating the flow of described material。
2. liquid mixing system as claimed in claim 1, it is characterised in that described liquid mixing system also includes a discharge pipe tank connected with described dosing, and described discharge pipe is used for transporting described material, and described governor motion is located on described discharge pipe。
3. liquid mixing system as claimed in claim 2, it is characterised in that described governor motion is a ratio adjusting valve, described ratio adjusting valve for regulating the flow of described material by increasing or reduce the mode of aperture。
4. the liquid mixing system as according to any one of claims 1 to 3, it is characterized in that, described liquid mixing system also includes a display device, and described control module is additionally operable to be sent by the flow of described material to described display device, and described display device is for showing the flow of described material。
5. liquid mixing system as claimed in claim 4, it is characterised in that described display device is additionally operable to send the flow of described material。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521047240.3U CN205323670U (en) | 2015-12-15 | 2015-12-15 | Solution preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521047240.3U CN205323670U (en) | 2015-12-15 | 2015-12-15 | Solution preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205323670U true CN205323670U (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521047240.3U Active CN205323670U (en) | 2015-12-15 | 2015-12-15 | Solution preparation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108607462A (en) * | 2018-05-21 | 2018-10-02 | 江苏新美星包装机械股份有限公司 | A kind of apparatus for combining liquids and fluid flow control method |
-
2015
- 2015-12-15 CN CN201521047240.3U patent/CN205323670U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108607462A (en) * | 2018-05-21 | 2018-10-02 | 江苏新美星包装机械股份有限公司 | A kind of apparatus for combining liquids and fluid flow control method |
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