CN210192414U - MCGS-based storage tank liquid level and flow control system - Google Patents
MCGS-based storage tank liquid level and flow control system Download PDFInfo
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- CN210192414U CN210192414U CN201920862787.0U CN201920862787U CN210192414U CN 210192414 U CN210192414 U CN 210192414U CN 201920862787 U CN201920862787 U CN 201920862787U CN 210192414 U CN210192414 U CN 210192414U
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Abstract
The utility model relates to the field of equipment control, in particular to a storage tank liquid level and flow control system based on MCGS (micro control systems), which comprises a storage tank, wherein an outlet and an inlet of the storage tank are communicated with a storage tank through pipelines, a liquid outlet valve is arranged on a liquid outlet pipeline of the storage tank, a liquid inlet valve is arranged on a liquid inlet pipeline of the storage tank, and a pneumatic thin-film control valve and a flow transmitter for measuring the liquid inlet flow of the storage tank are sequentially arranged on the liquid inlet pipeline between the liquid inlet valve and the storage tank; a liquid level transmitter is arranged on the outer side wall of the storage tank; the system also comprises a PLC controller, wherein the PLC controller is used for uploading real-time monitoring data of the liquid level transmitter and the flow transmitter to the PC, receiving an instruction sent by the MCGS configuration on-line monitoring system at the PC end, and controlling and executing the opening size of the pneumatic film control valve according to the instruction. The utility model discloses control storage tank liquid level that can be accurate keeps the liquid level stable, guarantees the reliable operation of production.
Description
Technical Field
The utility model relates to an equipment control field, concretely relates to storage tank liquid level control system.
Background
The storage tank is used as common equipment in chemical production, if the liquid level is too high, the storage tank is likely to overflow to cause waste, and if the liquid level is too low, the storage tank is likely to be shriveled by the next procedure, so that the risk of scrapping exists, and therefore, the control of the liquid level of the storage tank is particularly important.
Disclosure of Invention
An object of the utility model is to avoid prior art's not enough to provide a control storage tank liquid level that can be accurate, keep the liquid level stable, make production reliable operation's storage tank liquid level and flow control system based on MCGS.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of liquid level of storage tank and flow control system based on MCGS, including the storage tank, the outlet port and import of the storage tank are communicated with storage tank through the pipeline, there are liquid outlet valves on the liquid outlet pipe of the storage tank, there are liquid inlet valves on the liquid inlet pipe of the said storage tank, characterized by that, there are pneumatic membrane control valves and flow transmitters used for measuring the liquid inlet flow of the storage tank on the liquid inlet pipe between liquid inlet valve and storage tank sequentially; a liquid level transmitter is arranged on the outer side wall of the storage tank;
the PLC is respectively electrically connected with the PC, the liquid level transmitter, the flow transmitter and the pneumatic thin film control valve, and is used for uploading real-time monitoring data of the liquid level transmitter and the flow transmitter to the PC, receiving an instruction sent by the PC-end MCGS configuration online monitoring system and controlling the opening of the pneumatic thin film control valve according to the instruction.
Furthermore, the liquid level transmitter and the flow transmitter are electrically connected with the input end of the PCL controller, and the pneumatic membrane control valve is electrically connected with the output end of the PLC controller.
Furthermore, a water injection pump is arranged on a liquid inlet pipeline between the water storage tank and the flow transmitter.
Furthermore, bypass valves for maintenance and protection are respectively communicated with the pneumatic membrane control valve and the flow transmitter.
Further, the liquid level transmitter is mounted on the storage tank through a flange.
Furthermore, the liquid inlet valve and the liquid outlet valve are respectively arranged on the liquid inlet pipeline and the liquid outlet pipeline below the storage tank.
Further, the type of liquid level changer be: BL-Y3051 intelligent pressure transmitter, manufactured by Tianjin Belgium technologies, Inc.
Further, the flow transmitter is a KL-LWGY turbine flowmeter manufactured by Kinkau Kailk Meter, Inc.
Further, the PLC controller is of A model CPM1A-10CDR-A-V1 and is produced by ohm dragon (ChinA) Limited.
Further, the MCGS configuration online monitoring system is MCGS universal edition 5.5 developed by Kunlun state automation software company of Beijing.
The utility model has the advantages that: the system is combined with a PLC control system and MCGS configuration software to form a set of storage tank liquid level monitoring system, and each parameter in the working process of the storage tank can be monitored in real time, so that the accurate control of the liquid level of the storage tank is completed.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of the PLC control system of the present invention;
fig. 3 is a schematic diagram of the present invention.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Example 1: as shown in fig. 1, 2, 3,
a storage tank liquid level and flow control system based on MCGS comprises a storage tank 11, wherein an outlet and an inlet of the storage tank 11 are communicated with a storage tank 10 through pipelines, a liquid outlet valve 6 is arranged on a liquid outlet pipeline of the storage tank 11, a liquid inlet valve 3 is arranged on a liquid inlet pipeline of the storage tank 11, and a pneumatic film control valve 4 and a flow transmitter 2 for measuring the liquid inlet flow of the storage tank are sequentially arranged on the liquid inlet pipeline between the liquid inlet valve 3 and the storage tank 10; a liquid level transmitter 1 is arranged on the outer side wall of the storage tank 11 through a flange;
the device is characterized by further comprising a PLC (programmable logic controller) 7, wherein the PLC 7 is respectively and electrically connected with the PC 9, the liquid level transmitter 1, the flow transmitter 2 and the pneumatic thin film control valve 4, and the PLC 7 is used for uploading real-time monitoring data of the liquid level transmitter 1 and the flow transmitter 2 to the PC 9, receiving an instruction sent by the MCGS (micro-grid-section) configuration on-line monitoring system at the 9 end of the PC and controlling and executing the opening of the pneumatic thin film control valve 4 according to the instruction. The liquid level transmitter 1 and the flow transmitter 2 are electrically connected with the input end of the PCL controller 7, and the pneumatic membrane control valve 4 is electrically connected with the output end of the PLC controller 7. And a water injection pump 12 is also arranged on a liquid inlet pipeline between the water storage tank and the flow transmitter 2. And bypass valves 5 for maintenance and protection are respectively communicated with the pneumatic membrane control valve 4 and the flow transmitter 2. The liquid inlet valve 3 and the liquid outlet valve 6 are respectively arranged on a liquid inlet pipeline and a liquid outlet pipeline below the storage tank.
The liquid level transmitter 1 is characterized in that: BL-Y3051 intelligent pressure transmitter. The flow transmitter 2 is a KL-LWGY turbine flow meter produced by Kailu meters of gold lake, Inc. The PLC is A model CPM1A-10CDR-A-V1 manufactured by Onglong (ChinA) Co. The MCGS configuration online monitoring system is MCGS universal version 5.5 developed by Beijing Kunlun state automation software company. The liquid level transmitter 1 is manufactured by Tianjin Belgium science and technology Limited and has the following model: BL-Y3051 intelligent pressure transmitter.
The utility model discloses when the operation, at first get into the online monitored control system interface of end MCGS configuration of PC 9, click and start 8, give 4 aperture of pneumatic film control valve, if 25%, open feed liquor valve 3 and go out liquid valve 6, start water injection pump 12, carry out the water injection for storage tank 11, the liquid level is about total journey half-time, observe flow transmitter 2 and send into the data at the online monitored control system interface of PC 9 end MCGS configuration through PLC controller 7, be about 1.0m when flow when the flow is about3/And h, switching the control state to be automatic on an MCGS configuration online monitoring system interface, setting a proper proportional-integral-derivative parameter, changing the set value of the flow, and after receiving an instruction, changing the opening of the pneumatic thin film control valve 4 by the PLC 7, wherein the actual flow tracks the flow of the set value. When the flow real-time curve attenuation ratio is about 4: 1, changing the control state into cascade, observing the data sent by the liquid level transmitter 1 to the MCGS configuration on-line monitoring system interface at the 9 end of the PC through the PLC 7 by the same method, and setting a proper proportional-integral-derivative when the liquid level is about half of the measuring rangeAnd dividing parameters, changing the set value of the liquid level, and after receiving an instruction, the PLC changes the opening of the pneumatic film control valve 4, so that the actual liquid level change of the storage tank 11 tracks the set value and the liquid level of the storage tank 11. When the real-time curve attenuation ratio of the liquid level control station is about 4: 1 hour, the final storage tank liquid level is stabilized at the setting value, has reached the purpose of flow liquid level cascade control storage tank liquid level.
The MCGS configuration online monitoring system comprises a data processing module, a flow storage module, a flow control module, an animation demonstration module, an alarm module, a report module and a curve display module. And the data processing module is used for receiving the monitoring data uploaded by the PLC control system and processing the monitoring data into information which can be identified by the flow control module. And the flow storage module is used for storing control information of the liquid level and the flow of the storage tank, and comprises a feeding control process, a flow control process and a liquid level control process. In order to clearly visualize the control process of the storage tank, the MCGS configuration online monitoring system further comprises an animation demonstration module, and the animation demonstration module is used for demonstrating the control process of the flow control module through animation. In order to prompt the system with abnormal information, the MCGS configuration online monitoring system further comprises an alarm module, wherein the alarm module is used for generating alarm information when the flow control module monitors abnormal data; in order to facilitate the inquiry and statistics of the historical alarm information, the alarm module is also used for storing historical alarm data. In order to facilitate the export of data, the MCGS configuration online monitoring system also comprises a report module, wherein the report module comprises a real-time data report and a historical data report; the real-time datagram table is used for displaying and printing the data variable of the current time according to a report format; and the historical data report is used for displaying and printing the data variables in the selected time or time period according to a report format. In order to facilitate the viewing of the related parameters of the storage tank, the MCGS configuration online monitoring system further comprises a curve display module, wherein the curve display module comprises a real-time curve display module and a historical curve display module; the real-time curve display module is used for displaying one or more data in an animation curve mode; the historical curve display module is used for providing a curve graph of historical data of one or more data.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A kind of liquid level of storage tank and flow control system based on MCGS, including the storage tank, the outlet port and import of the storage tank are communicated with storage tank through the pipeline, there are liquid outlet valves on the liquid outlet pipe of the storage tank, there are liquid inlet valves on the liquid inlet pipe of the said storage tank, characterized by that, there are pneumatic membrane control valves and flow transmitters used for measuring the liquid inlet flow of the storage tank on the liquid inlet pipe between liquid inlet valve and storage tank sequentially; a liquid level transmitter is arranged on the outer side wall of the storage tank;
the PLC is respectively electrically connected with the PC, the liquid level transmitter, the flow transmitter and the pneumatic thin film control valve, and is used for uploading real-time monitoring data of the liquid level transmitter and the flow transmitter to the PC, receiving an instruction sent by the PC-end MCGS configuration online monitoring system and controlling the opening of the pneumatic thin film control valve according to the instruction.
2. The MCGS-based tank level and flow control system of claim 1, wherein the level transmitter and the flow transmitter are electrically connected to the input of the PCL controller, and the pneumatic membrane control valve is electrically connected to the output of the PLC controller.
3. The MCGS-based tank liquid level and flow control system of claim 1, wherein a water injection pump is further provided on the liquid inlet pipe between the water storage tank and the flow transmitter.
4. The MCGS-based tank level and flow control system of claim 1 wherein bypass valves for maintenance and protection are connected to the pneumatic diaphragm control valve and the flow transmitter, respectively.
5. The MCGS-based tank level and flow control system of claim 1 wherein the level transmitter is flange mounted on the tank.
6. The MCGS-based tank liquid level and flow control system of claim 1 wherein the inlet valve and the outlet valve are disposed on the inlet line and the outlet line, respectively, below the tank.
7. The MCGS-based tank level and flow control system according to any one of claims 1 to 6, wherein said level transmitter is of the type: BL-Y3051 intelligent pressure transmitter.
8. The MCGS based tank level and flow control system according to any one of claims 1 to 6, wherein said flow transmitter is a KL-LWGY turbine flowmeter.
9. The MCGS-based tank level and flow control system of any one of claims 1 to 6, wherein said PLC controller is of the type CPM1A-10 CDR-A-V1.
10. The MCGS-based tank liquid level and flow control system of any one of claims 1 to 6, wherein the MCGS configuration online monitoring system is MCGS Universal edition 5.5 developed by Kunlun state automation software, Beijing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920862787.0U CN210192414U (en) | 2019-06-10 | 2019-06-10 | MCGS-based storage tank liquid level and flow control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920862787.0U CN210192414U (en) | 2019-06-10 | 2019-06-10 | MCGS-based storage tank liquid level and flow control system |
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| Publication Number | Publication Date |
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| CN210192414U true CN210192414U (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920862787.0U Expired - Fee Related CN210192414U (en) | 2019-06-10 | 2019-06-10 | MCGS-based storage tank liquid level and flow control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017678A (en) * | 2021-11-05 | 2022-02-08 | 天津东方泰瑞科技有限公司 | Storage tank valve and shipboard pump valve interlocking control system and method |
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2019
- 2019-06-10 CN CN201920862787.0U patent/CN210192414U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017678A (en) * | 2021-11-05 | 2022-02-08 | 天津东方泰瑞科技有限公司 | Storage tank valve and shipboard pump valve interlocking control system and method |
| CN114017678B (en) * | 2021-11-05 | 2022-06-07 | 天津东方泰瑞科技有限公司 | Storage tank valve and shipboard pump valve interlocking control system and method |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200327 Termination date: 20210610 |