CN218301419U - Brine treatment control system - Google Patents

Abstract

The utility model discloses a brine treatment control system. The liquid measurement subassembly on measurement layer in the brine processing control system can generate the measurement data signal according to the liquid flow of each pipeline in the membrane workshop to transmit to first communication converter, first communication converter can carry out protocol conversion to the measurement data signal, and transmit to the server through one-level, second grade and total switch subassembly. The control module is arranged between the electronic devices and can acquire the sensing data acquired by the connected sensing assemblies and control the working state of the execution assembly according to a locally stored preset program and an execution instruction. The server can analyze and process the sensing data and the flow data to generate monitoring data, and generates an execution instruction according to the operation parameters generated by the first operation station, so that the network connection and control of the brine processing equipment are realized, digital signals are adopted for transmission in the data transmission process, the data distortion and loss are reduced, and the accuracy of control and measurement is improved.

Description

Brine treatment control system

Technical Field

The embodiment of the utility model provides a relate to automatic control technique, especially relate to a brine treatment control system.

Background

Currently, global lithium resources are mainly distributed in salt lake brine, hard rock ore, underground brine and geothermal brine. Compared with other countries, the total amount of lithium resources in salt lake brine in China is high, the airing condition is good, and the development potential is very large.

The brine processing system in the prior art relates to the processes of acquiring, collecting and processing various data, but the problems of distortion and loss often occur in the process of data transmission, and the accuracy of control and measurement is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a control system is handled to brine to reduce the distortion and the loss of data, improved the accuracy of control and measurement.

The embodiment of the utility model provides a control system is handled to brine, control system is handled to brine includes: a control layer, an implementation layer, and a metering layer;

the measuring layer comprises a primary exchanger component, a first communication converter and a liquid measuring component, the liquid measuring component is arranged in a membrane workshop, and the liquid measuring component is used for measuring flow data of liquid in the brine treatment process; the first communication converter is in communication connection with the liquid metering assembly and is used for performing protocol conversion on the flow data; the primary switch assembly is in communication connection with the first communication converter;

the implementation layer comprises a secondary switch component and a control module, and the secondary switch component is in communication connection with the primary switch component; the control module is in communication connection with the secondary switch assembly and is used for acquiring sensing data of the sensing assembly and controlling the working state of the execution assembly according to the execution instruction;

the control layer comprises a server, a first operation station and a main switch assembly, and the server and the first operation station are respectively in communication connection with the main switch assembly; the server is used for analyzing and processing the sensing data and the flow data, generating monitoring data and generating the execution instruction according to the operation parameters output by the first operation station; the first operation station is used for displaying the monitoring data and generating the operation parameters; the main switch assembly is in communication connection with the secondary switch assembly.

Optionally, the server includes a main server and a redundant server, the main server is connected to the main switch component, and the redundant server is connected to the main server and the main switch component, respectively.

Optionally, the sensing assembly comprises a preconditioning sensor; the execution component comprises a pre-processing executor;

the secondary switch component comprises a first switch; the control module comprises a preprocessing unit; the preprocessing unit is in communication connection with the first switch, the first switch is in communication connection with the main switch assembly, and the preprocessing unit is used for acquiring preprocessing sensing data of a preprocessing sensor and controlling the working state of the preprocessing actuator according to the execution instruction.

Optionally, the implementation layer further comprises: the electricity consumption metering component and the second communication converter;

the power consumption metering assembly is used for measuring power consumption data of the brine treatment production line; the second communication converter is respectively in communication connection with the electricity consumption metering assembly and the first switch, and is used for performing protocol conversion on the electricity consumption data.

Optionally, the electricity metering component comprises a multifunctional electricity meter and an uninterruptible power supply, the multifunctional electricity meter is connected with the uninterruptible power supply, and the multifunctional electricity meter is used for measuring power supply data of the uninterruptible power supply;

the uninterruptible power supply is in communication connection with the second communication converter and is used for sending battery state data to the second communication converter; wherein the power consumption data includes the power supply data and the battery status data.

Optionally, the implementation layer further includes an engineer station, where the engineer station is in communication connection with the first switch, and the engineer station is configured to input a program modification instruction.

Optionally, the sensing assembly further comprises a membrane process sensor; the execution assembly further comprises a membrane process executor;

the secondary switch component further comprises a second switch; the control module further comprises a membrane processing unit; the membrane processing unit is in communication connection with the second switch, the second switch is in communication connection with the first switch, and the membrane processing unit is used for acquiring membrane processing sensing data of the membrane processing sensor and controlling the working state of the membrane processing actuator according to the execution instruction.

Optionally, the sensing component comprises an MVR sensor; the execution component comprises an MVR executor;

the secondary switch component comprises a third switch; the control module comprises an MVR unit; the MVR unit is in communication connection with the third switch, the third switch is in communication connection with the main switch assembly, and the MVR unit is used for acquiring MVR sensing data of an MVR sensor and controlling the working state of the MVR actuator according to the execution instruction.

Optionally, the sensing assembly comprises a fresh water sensor; the execution assembly comprises a fresh water actuator;

the secondary switch component further comprises a fourth switch; the control module comprises a fresh water pretreatment unit; the fresh water pretreatment unit is in communication connection with the fourth switch, the fourth switch is in communication connection with the main switch assembly, and the fresh water pretreatment unit is used for acquiring fresh water sensing data of a fresh water sensor and controlling the working state of the fresh water actuator according to the execution instruction.

Optionally, the implementation layer further includes a second operation station and a third operation station, and the second operation station is in communication connection with the third switch; and the third operation station is in communication connection with the fourth switch.

The embodiment of the utility model provides a control system is handled to brine is provided with the measurement layer, implements layer and control layer, and the liquid measurement subassembly on measurement layer can generate the measurement data signal according to the liquid flow of each pipeline in the membrane workshop to transmit to first communication converter, first communication converter can carry out the protocol conversion to the measurement data signal, and transmit to the server of being connected with total switch subassembly through one-level switch subassembly and second grade switch subassembly. The control module is arranged between the electronic devices and can acquire the sensing data acquired by the connected sensing assemblies and control the working state of the execution assembly according to a locally stored preset program and an execution instruction. The server can analyze and process the sensing data and the flow data to generate monitoring data, and generates an execution instruction according to the operation parameters acquired by the first operation station, so that the network connection and control of the brine processing equipment are realized, digital signals are adopted to transmit in the transmission process of the flow data and the sensing data, the distortion and the loss of the data are reduced, and the accuracy of control and metering is improved.

Drawings

Fig. 1 is a schematic structural diagram of a brine treatment control system according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of another brine treatment control system according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of another brine treatment control system according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of another brine treatment control system according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of another brine processing control system according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of another brine treatment control system according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of another brine treatment control system according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of another brine treatment control system according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of another brine treatment control system according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In order to solve the problem that proposes among the background art, the embodiment of the utility model provides a control system is handled to brine. Fig. 1 is a schematic structural diagram of a brine treatment control system provided in an embodiment of the present invention, referring to fig. 1, a brine treatment control system 100 includes: control layer 101, implementation layer 102, and metrology layer 103. The metering layer 103 comprises a primary switch assembly 104, a first communication converter 105 and a liquid metering assembly 106, wherein the liquid metering assembly 106 is arranged in the membrane workshop, and the liquid metering assembly 106 is used for measuring the flow data of liquid in the brine processing process. The first communication converter 105 is communicatively connected to the liquid metering assembly 106, and the first communication converter 105 is configured to perform protocol conversion on the flow data. The primary switch assembly 104 is communicatively coupled to a first communication switch 105. The implementation layer 102 includes a secondary switch component 107 and a control module 108, the secondary switch component 107 being communicatively coupled to the primary switch component 104. The control module 108 is in communication connection with the secondary switch component 107, and the control module 108 is configured to obtain sensing data of the sensing component and control a working state of the execution component according to the execution instruction. The control layer 101 includes a server 110, a first operator station 111, and a master switch assembly 109, wherein the server 110 and the first operator station 111 are respectively communicatively coupled to the master switch assembly 109. The server 110 is configured to analyze and process the sensing data and the flow data, generate monitoring data, and generate an execution instruction according to the operation parameter output by the first operation station 111. The first operator station 111 is used to display the monitored data and generate operating parameters. The master switch assembly 109 is communicatively coupled to the secondary switch assembly 107.

The control layer 101 refers to a general set of control components and communication components disposed in a general control room. The implementation layer 102 refers to a set of a communication component, a control component and a metering component which are arranged between electronic devices, an execution component and a sensing component which are used in a brine processing process such as a motor, a fan, a valve, a filter and a water pump are arranged between the electronic devices, and the electronic devices are controlled by the control module 108 in the implementation layer 102. The metering layer 103 is a set of a communication module and a metering module which are installed on the site of the membrane plant, and the metering module is installed in a liquid outlet pipe or a liquid inlet pipe of each process flow in the membrane plant and can meter the amount of liquid processed by each process flow or the amount of raw materials used.

Specifically, the liquid metering assembly 106 is in communication connection with the first communication converter 105, and can generate a metering data signal according to the liquid flow rate of each pipeline in the membrane workshop, and then send the metering data signal to the first communication converter 105, wherein the metering data signal may be a digital signal. The liquid metering component 106 can be specifically configured according to the purpose of brine processing, and illustratively, the liquid metering component 106 can include a filter water production flow meter, a filter liquid inlet flow meter, a lye supply flow meter, a steam flow meter, and other intelligent flow meters related to the brine lithium extraction step. The plurality of liquid metering assemblies 106 corresponding to a first communication converter 105 may be respectively connected with the first communication converter 105 in a communication manner, or the plurality of liquid metering assemblies 106 may be sequentially connected in series, that is, as shown in fig. 1, the first liquid metering assembly 106 is connected with the corresponding first communication converter 105 in a communication manner, and the other liquid metering assemblies 106 are sequentially connected with the previous liquid metering assembly 106 in a communication manner. Due to the arrangement of the liquid metering component 106, raw materials used in all steps in the brine treatment process, products obtained by treatment and the liquid amount treated by all membrane devices can be accurately quantified, and the brine treatment cost can be conveniently counted and monitored. The first communication converter 105 can realize conversion of a communication signal protocol between the liquid metering assembly 106 and the switch, and can convert a metering data signal sent by the liquid metering assembly 106 into a form which can be transmitted by the switch, for example, the first communication converter 105 can convert a metering data signal of an RS485 protocol sent by the liquid metering assembly 106 into a metering data signal of an RS232 protocol, and transmit the metering data signal to the primary switch assembly 104. The primary switch assembly 104 is communicatively coupled to the main switch assembly 107, and the server 110 associated with the main switch assembly is capable of determining the processing conditions of each step in the membrane plant based on the metrology data signals.

The control module 108 may obtain sensing data of sensors required for each step in the brine processing process in the electronic device room, and may also control a working state of an execution component required for each step in the brine processing process in the electronic device room, for example, the control module 108 may include a single chip microcomputer or a PLC control device. The sensing assembly can comprise sensing equipment required by each step of brine processing, such as a flow sensor, a pressure sensor, a temperature sensor, a liquid level sensor and the like, and can be arranged at each execution assembly, in a raw material container or in a liquid transportation pipeline. The executing component can comprise executing equipment used in the brine processing process, such as a motor, a fan, a valve, a filter, a water pump and the like. The control module 108 is communicatively coupled to the second switch component, which is communicatively coupled to the master switch component 109, and the control module 108 is capable of sending the sensor data to the server 110 via the second switch component and the master switch component 109. The server 110 is communicatively coupled to the main switch assembly 109, and the server 110 may analyze and calculate the sensor data and the traffic data to generate monitoring data and may further generate execution instructions based on at least one of the operating parameters or the sensed data output by the first operator station 111. The control module 108 is also capable of controlling the operational state of the execution components based on the execution instructions. The first operator station 111 may comprise a computer with a display device, may generate operating parameters based on signals input by a user, and may display monitoring data and flow data.

The brine processing control system that this embodiment provided is provided with the measurement layer, implements layer and control layer, and the liquid measurement subassembly on measurement layer can generate the measurement data signal according to the liquid flow of each pipeline in the membrane workshop to transmit to first communication converter, first communication converter can carry out protocol conversion to the measurement data signal, and transmit to the server of being connected with total switch subassembly through one-level switch subassembly and second-level switch subassembly. The control module is arranged between the electronic devices and can acquire the sensing data acquired by the connected sensing assemblies and control the working state of the execution assembly according to a locally stored preset program and an execution instruction. The server can analyze and process the sensing data and the flow data to generate monitoring data, and generates an execution instruction according to the operation parameters of the first operation station, so that the network connection and control of the brine processing equipment are realized, digital signals are adopted to transmit in the transmission process of the flow data and the sensing data, the distortion and the loss of the data are reduced, and the accuracy of control and metering is improved.

Optionally, fig. 2 is a schematic structural diagram of another brine processing control system provided by an embodiment of the present invention, referring to fig. 2, on the basis of the foregoing embodiment, the server 110 includes a main server 201 and a redundant server 202, the main server 201 is connected to the main switch assembly 109, the redundant server 202 is connected to the main server 201 and the main switch assembly 109, the redundant server 202 is configured to store sensing data, flow data and an execution instruction, and when the main server 201 fails, the main server 201 is replaced by the redundant server 201 to continue processing data.

The redundant server 202 is the backup server 110 of the main server 201, and can continue data processing instead of the main server 201 when the main server 201 fails.

Specifically, the redundant server 202 is respectively connected to the main switch assembly 109 and the main server 201 in a communication manner, and when the main server 201 operates normally, the redundant server 202 may be in a dormant state, or may only locally store the sensing data, the traffic data, and the execution instruction received by the main server 201. Under the condition that the main server 201 is down, the redundant server 202 can replace the main server 201 to continue data processing until the main server 201 is repaired, so that the shutdown of the brine processing control system 100 caused by the fault of the main server 201 can be prevented, and the reliability and the safety factor of the brine processing control system 100 are improved.

Optionally, fig. 3 is a schematic structural diagram of another brine treatment control system provided in an embodiment of the present invention, and referring to fig. 3, on the basis of the foregoing embodiment, the sensing assembly includes a pretreatment sensor. The execution assembly includes a pre-processing executor (the sensing assembly and the execution assembly are not shown in the figure). The secondary switch component 107 includes a first switch 301; the control module 108 includes a pre-processing unit 302; the preprocessing unit 302 is in communication connection with the first switch 301, the first switch 301 is in communication connection with the main switch assembly 109, and the preprocessing unit 302 is used for acquiring preprocessing sensing data and controlling the working state of the preprocessing actuator according to an execution instruction.

The pretreatment sensor is a sensor required in the pretreatment stage of the brine treatment process, and can comprise at least one of a temperature sensor, a pressure sensor, a liquid level sensor and a flow sensor. The pretreatment actuator refers to an actuating device required by a pretreatment stage of a brine treatment process, and can comprise at least one of an electric valve, a fan and a water pump. The preprocessing unit 302 refers to a control device of the preprocessing actuator, and can control the working state of the preprocessing actuator.

Specifically, the secondary switch component 107 can include a plurality of switches therein, and the switches can correspond one-to-one to the processes in the brine processing process. The secondary switch module 107 includes a first switch 301, and the first switch 301 is communicatively connected to a preprocessing unit 302 in the control module 108, for example, the first switch 301 may be a switch including 14 electrical ports and 2 single-mode optical ports, and the model may be EDS-316-SS-SC. The preprocessing unit 302 may be a control device storing a control program, and for example, the preprocessing unit 302 may be a PLC control device, and may acquire sensing data acquired by a preprocessing sensor according to a preset program, and may further control the operating state of a preprocessing actuator according to the preset program and an execution instruction.

Illustratively, during the process of pretreating brine, a liquid level sensor and a flow sensor respectively collect the liquid level and the effluent flow of a pretreatment raw material tank. The pre-treatment unit 302 may take the pre-treatment feed tank level and effluent flow and upload to the main server 201 via the first switch 301 and the main switch assembly 109. The main server 201 analyzes and processes the liquid level and the effluent flow of the pretreatment raw material tank to generate monitoring data. The first operator station 111 may display the monitored data in real time. The pretreatment unit 302 may also perform corresponding control on the pretreatment actuator according to a preset program, for example, the pretreatment unit 302 may control the flow rate of the inlet/outlet water pump and the opening degree of the inlet/outlet electric valve of the pretreatment material tank according to the liquid level and the outlet flow rate of the pretreatment material tank. The preprocessing unit 302 may also control the operating state of the preprocessing executor according to the execution instruction.

The second-level switch subassembly among the brine processing control system that this embodiment provided includes first switch, control module includes the preprocessing unit, preprocessing unit can acquire preliminary treatment sensing data, and according to the operating condition of execution instruction control preliminary treatment executor, realized monitoring and automatic control to the preliminary treatment stage of brine processing, personnel on duty or user can also operate in order to generate operating parameter at the operation station, and then control the operating condition of preliminary treatment executor, the control reliability of preliminary treatment stage among the brine processing process has been improved.

Optionally, with continued reference to fig. 3, on the basis of the foregoing embodiment, the implementation layer 102 further includes: a power consumption metering component 304 and a second communication converter 303; the electricity consumption metering component 304 is used for measuring electricity consumption data of the brine treatment production line; the second communication converter 303 is respectively connected with the electricity consumption metering component 304 and the first switch 301 in a communication manner, and the second communication converter 303 is used for performing protocol conversion on electricity consumption data.

Specifically, the electricity metering component 304 may be disposed on a power grid home bus of the brine processing production line, may measure electricity data of the brine processing production line, and the electricity metering component 304 may include a multifunctional electric meter. Second communication converter 303 can carry out protocol conversion to the power consumption data that power consumption measurement subassembly 304 gathered, can be with the form that the power consumption data conversion that power consumption measurement subassembly 304 gathered can transmit of switch, exemplarily, second communication converter 303 can convert the power consumption data of the RS485 agreement that sends with power consumption measurement subassembly 304 into the power consumption data of RS232 agreement, and transmit to first switch 301, and then transmit to server 110 through total switch subassembly 109, server 110 can carry out analysis and processing to the power consumption data, send the power consumption data after handling to first operation station 111 and show.

The control system is handled to brine that this embodiment provided is provided with power consumption measurement subassembly and second communication converter implementing the layer, power consumption measurement subassembly can set up on the electric wire netting bus of registering one's residence that the production line was handled to brine, can measure the power consumption data that the production line was handled to brine, and second communication converter can carry out protocol conversion to the power consumption data that power consumption measurement subassembly gathered, can convert the power consumption data that power consumption measurement subassembly gathered into the form that the switch can transmit, realize the measurement and the monitoring of the power consumption data of handling the production line to brine, user and person on duty can correspond the operating condition who adjusts each final controlling element according to the power consumption data, the controllable degree of high cost.

Optionally, fig. 4 is a schematic structural diagram of another brine processing control system provided in an embodiment of the present invention, and referring to fig. 4, on the basis of the foregoing embodiment, the electricity consumption metering assembly 304 includes a multifunctional electricity meter 401 and an uninterruptible power supply 402, the multifunctional electricity meter 401 is connected to the uninterruptible power supply 402, and the multifunctional electricity meter 401 is configured to measure power supply data of the uninterruptible power supply 402; the ups 402 is communicatively connected to the second communication converter 303, and the ups 402 is configured to send the battery status data to the second communication converter 303; the power utilization data comprises power supply data and battery state data.

Specifically, the multifunctional electric meter 401 may be disposed on a connection line between the grid-to-home bus and the uninterruptible power supply 402, and may measure power supply data of the uninterruptible power supply 402, where the power supply data refers to charging data of the grid-to-home bus for charging the uninterruptible power supply 402, and may include a charging amount and a charging power. The ups 402 can store electrical energy and provide power to electrical devices used in the brine treatment process. The ups 402 and the multifunctional electric meter 401 are also respectively in communication with the second communication converter 303, and can send the electricity consumption data to the server 110 through the second communication converter 303, the first switch 301 and the main switch assembly 109. For example, the second communication converter 303 may convert the electricity data of the RS485 protocol into the electricity data of the RS232 protocol, transmit the electricity data to the first switch 301, and further transmit the electricity data to the server 110 through the master switch assembly 109, and the server 110 may analyze and process the electricity data, and transmit the processed electricity data to the first operation station 111 for display.

The power consumption measurement subassembly among the control system is handled to brine that this embodiment provided includes multifunctional electric meter and uninterrupted power source, multifunctional electric meter and uninterrupted power source are connected, multifunctional electric meter is used for measuring uninterrupted power source's power supply data, uninterrupted power source is connected with second communication converter communication, uninterrupted power source is used for sending battery status data to second communication converter, the server can carry out analysis and processing to power consumption data, the realization is handled the control of whole power consumption to brine, it can still keep the execution module power supply of handling for brine under the power failure condition to set up uninterrupted power source, the reliability of brine processing is improved.

Optionally, fig. 5 is a schematic structural diagram of another brine processing control system provided in an embodiment of the present invention, referring to fig. 5, on the basis of the foregoing embodiment, the implementation layer 102 further includes an engineer station 501, the engineer station 501 is in communication connection with the first switch 301, and the engineer station 501 is used for inputting a program modification instruction to implement program modification of the preprocessing unit 302 and the server 110.

Specifically, the engineer station 501 is disposed between the electronic devices, is communicatively connected to the first switch 301, and can issue a program modification instruction to the preprocessing unit 302 and the server 110 to modify the preset program stored in the preprocessing unit 302 and the server 110. Illustratively, the engineer station 501 may be a computer component including a display device and a signal input device. The engineer station 501 is arranged on the implementation layer 102, so that an on-duty engineer can perform on-site modification on a program according to the real-time state of each execution component in the electronic equipment room, the on-duty engineer can rapidly and accurately process control faults occurring in the execution components in the electronic equipment room, and the work efficiency of the engineer is improved.

Optionally, fig. 6 is a schematic structural diagram of another brine treatment control system provided in an embodiment of the present invention, and referring to fig. 6, on the basis of the foregoing embodiment, the sensing assembly further includes a membrane treatment sensor; the actuator assembly also includes a membrane process actuator (the sensing assembly and actuator assembly not shown). The secondary switch component 107 also includes a second switch 601; the control module 108 also includes a membrane processing unit 602; the film processing unit 602 is in communication connection with the second switch 601, the second switch 601 is in communication connection with the first switch 301, and the film processing unit 602 is used for acquiring film processing sensing data and controlling the working state of the film processing actuator according to an execution instruction.

The membrane treatment sensor is a sensor required in a membrane treatment stage of a brine treatment process, and can comprise at least one of a temperature sensor, a pressure sensor, a liquid level sensor and a flow sensor. The membrane treatment actuator refers to an actuating device required by a membrane treatment stage of a brine treatment process, and can comprise at least one of an electric valve, a fan and a water pump. The film processing unit 602 refers to a control device of the film processing actuator, and can control the operating state of the film processing actuator.

Specifically, the secondary switch component 107 can include a plurality of switches therein, which can correspond one-to-one to the processes in the brine processing process. The secondary switch assembly 107 includes a second switch 601, the second switch 601 being communicatively coupled to the membrane processing unit 602 of the control module 108, and the second switch 601 may be, for example, a switch including 8 electrical ports, and may be of the EDS308 type. The membrane processing unit 602 may be a control device storing a control program, and for example, the membrane processing unit 602 may be a PLC control device, and may acquire membrane processing sensing data acquired by a membrane processing sensor according to a preset program, and may further control an operating state of a membrane processing actuator according to the preset program and an execution instruction.

For example, during membrane treatment of brine, a flow sensor may collect the liquid flow produced by the membrane treatment. The membrane treatment unit 602 can take the liquid flow produced by the membrane treatment and upload it to the main server 201 via the second exchanger 601 and the main exchanger module 109. The main server 201 analyzes and processes the data related to the liquid flow rate generated by the membrane treatment, and generates corresponding monitoring data. The first operator station 111 may display the monitored data in real time. The membrane processing unit 602 may also perform corresponding control on the membrane processing actuator according to a preset program, for example, the membrane processing unit 602 may control the valve opening of the water inlet of the membrane processing container according to the flow rate of the liquid produced by the membrane processing. The film processing unit 602 may also control the operating state of the film processing actuator according to the execution instruction.

The secondary switch subassembly among the control system is handled to brine that this embodiment provided includes the second switch, control module includes membrane processing unit, membrane processing unit can acquire the membrane and handle sensing data, and according to the operating condition of executive instruction control membrane processing executor, the monitoring and the automatic control in the membrane processing stage of handling brine have been realized, personnel on duty or user can also operate in order to generate operating parameter at the operation station, and then the operating condition of control membrane processing executor, the control reliability in the membrane processing stage among the brine processing procedure has been improved.

Optionally, fig. 7 is a schematic structural diagram of another brine treatment control system provided in the embodiment of the present invention, referring to fig. 7, on the basis of the foregoing embodiment, the sensing component includes an MVR sensor; the actuator assembly includes an MVR actuator (the sensor assembly and actuator assembly not shown). The secondary switch component 107 includes a third switch 701; the control module 108 includes an MVR unit 702; the MVR unit 702 is in communication connection with the third switch 701, the third switch 701 is in communication connection with the main switch assembly 109, and the MVR unit 702 is configured to obtain MVR sensing data and control a working state of the MVR actuator according to an execution instruction.

The MVR refers to a vapor mechanical recompression technology, and the MVR sensor refers to a sensor required in an MVR stage of a brine treatment process, and may include at least one of a temperature sensor, a pressure sensor, a liquid level sensor and a flow sensor. The MVR actuator is a device for carrying out mechanical vapor recompression on brine, and can comprise a high-pressure fan, a heating device, a centrifugal compressor and other devices required by the implementation of a mechanical vapor recompression technology. The MVR unit 702 is a control device of the MVR actuator, and can control the operating state of the MVR actuator.

Specifically, the secondary switch component 107 can include a plurality of switches therein, and the switches can correspond one-to-one to the processes in the brine processing process. The secondary switch module 107 includes a third switch 701, the third switch 701 is connected to the MVR unit 702 in the control module 108 in a corresponding communication manner, and the third switch 701 may be, for example, a switch including 8 electrical ports, and the model may be the EDS308. The MVR unit 702 may be a control device storing a control program, and exemplarily, the MVR unit 702 may be a PLC control device, and may acquire MVR sensing data acquired by the MVR sensor according to a preset program, and may also control a working state of the MVR actuator according to the preset program and an execution instruction.

For example, during MVR treatment of brine, a flow sensor may collect the flow of liquid produced by MVR treatment. The MVR unit 702 can obtain the liquid flow produced by MVR and upload it to the main server 201 via the third switch 701 and the main switch module 109. The main server 201 analyzes and processes the relevant data of the liquid flow rate produced by the MVR, and generates corresponding monitoring data. The first operator station 111 may display the monitored data in real time. The MVR unit 702 may also perform corresponding control on the MVR actuator according to a preset program, for example, the MVR unit 702 may control the opening degree of the water inlet valve of the container for performing MVR processing according to the liquid flow rate generated by the MVR. The MVR unit 702 may also control the operating state of the MVR actuator according to the execution instruction.

In addition, according to the requirement of the brine processing flow, the first switch component may also include a plurality of switches to implement multiple data metering in the multiple processing flows, and exemplarily, the first switch component may include a fifth switch 703, a sixth switch 704 and a seventh switch 705, where the fifth switch 703 is in communication connection with the first switch 301, the sixth switch 704 is in communication connection with the fifth switch 703, and the seventh switch 705 is in communication connection with the sixth switch 704. The fifth switch 704, the sixth switch 704 and the seventh switch 705 are each communicatively connected to a corresponding liquid metering assembly 106 via a corresponding first communication switch 105. Several liquid metering assemblies 106 in close proximity may correspond to the same switch. The single-mode optical fiber communication connection is adopted among the switches, the switch and the switch assembly and the switch assembly, the six types of network cables are adopted for connecting the switches or the switch assembly with other devices, and the shielded twisted pair communication connection is adopted among the devices except the switches and the switch assembly.

The second-level switch subassembly among the control system is handled to brine that this embodiment provided includes the third switch, control module includes the MVR unit, the MVR unit can acquire MVR sensory data, and according to the operating condition of execution instruction control MVR executor, the monitoring and the automatic control in the MVR stage of handling brine have been realized, the personnel on duty or user can also be at the operating station input operating parameter, and then the operating condition of control MVR executor, the control reliability in the MVR stage in the brine processing process has been improved.

Optionally, fig. 8 is a schematic structural diagram of another brine treatment control system according to an embodiment of the present invention, and referring to fig. 8, on the basis of the foregoing embodiment, the sensing assembly includes a fresh water sensor; the actuator assembly includes a fresh water actuator (the sensor assembly and actuator assembly are not shown). The secondary switch component 107 further includes a fourth switch 802; the control module 108 includes a fresh water pretreatment unit 801; the fresh water pretreatment unit 801 is in communication connection with a fourth switch 802, the fourth switch 802 is in communication connection with the main switch assembly 109, and the fresh water pretreatment unit 801 is used for acquiring fresh water sensing data and controlling the working state of a fresh water actuator according to an execution instruction.

The fresh water actuator is an actuator for performing fresh water pretreatment on liquid with low ion concentration obtained after brine treatment to obtain fresh water, and can comprise a pure water reverse osmosis membrane, a water pump and a heater. The fresh water sensor is a sensing device required in the process of fresh water pretreatment, and may include at least one of a temperature sensor, a pressure sensor, a liquid level sensor and a flow sensor. The fresh water pretreatment unit 801 is a control device of a fresh water actuator, and can control the operating state of the fresh water actuator.

Specifically, the secondary switch component 107 can include a plurality of switches therein, and the switches can correspond one-to-one to the processes in the brine processing process. The secondary switch assembly 107 includes a fourth switch 802, and the fourth switch 802 is in communication connection with the fresh water pretreatment unit 801 in the control module 108, for example, the fourth switch 802 may be a switch including 8 electrical ports, and the model may be the EDS308. The fresh water pretreatment unit 801 may be a control device storing a control program, for example, the fresh water pretreatment unit 801 may be a PLC control device, and may obtain sensing data acquired by a fresh water sensor in the fresh water pretreatment process according to a preset program, and may also control a working state of a fresh water actuator according to the preset program and an execution instruction.

For example, during a freshwater pretreatment of brine, a flow sensor may collect liquid flow produced by the freshwater pretreatment. The fresh water pretreatment unit 801 may obtain the flow of the liquid produced by the fresh water pretreatment and upload the flow to the main server 201 through the fourth switch 802 and the main switch module 109. The main server 201 analyzes and processes the data related to the liquid flow rate produced by the freshwater pretreatment, and generates corresponding monitoring data. The first operation station 111 can display the monitoring data in real time. The fresh water pretreatment unit 801 may also perform corresponding control on the fresh water actuator according to a preset program, for example, the fresh water pretreatment unit 801 may control the opening degree of the water inlet valve of the container for performing the fresh water pretreatment process according to the flow rate of the liquid produced by the fresh water pretreatment. The fresh water pretreatment unit 801 may also control the operating state of the fresh water actuator according to the execution instruction.

The second grade switch subassembly among the control system is handled to brine that this embodiment provided includes the fourth switch, control module includes fresh water pretreatment unit, fresh water pretreatment unit can acquire fresh water pretreatment in-process's sensory data, and according to the operating condition of executive instruction control fresh water executor, the monitoring and the automatic control in the fresh water pretreatment stage of handling brine have been realized, personnel on duty or user can also operate in order to generate operating parameter at the operation station, and then control fresh water executor's operating condition, the control reliability in the fresh water pretreatment stage among the brine processing procedure has been improved.

Optionally, fig. 9 is a schematic structural diagram of another brine processing control system provided in an embodiment of the present invention, and referring to fig. 9, on the basis of the foregoing embodiment, the implementation layer 102 further includes a second operation station 901 and a third operation station 902, and the second operation station 901 is in communication connection with the third switch 701; the third operator station 902 is communicatively coupled to the fourth switch 802.

Specifically, the second operation station 901 and the third operation station 902 may each include a computer with a display device, and may receive operation parameters input by a user and an operator on duty, and may also display monitoring data and flow data. The second operation station 901 is disposed near the MVR actuator and the MVR unit 702 in the electronic device room, so that the operator on duty can operate in the second operation station 901 according to the working state of the MVR actuator to make the second operation station 901 generate an operation parameter, and the MVR unit 702 can adjust the working state of the MVR actuator according to the operation parameter. The third operation station 902 is arranged near the fresh water actuator and the fresh water pretreatment unit 801 in the electronic equipment room, so that an operator on duty can operate the third operation station 902 according to the working state of the fresh water actuator to enable the second operation station 902 to generate operation parameters, and the fresh water pretreatment unit 801 can adjust the working state of the fresh water actuator according to the operation parameters, thereby realizing the field adjustment of the MVR treatment process and the pure water pretreatment process, and further improving the accuracy and the real-time performance of control.

The brine processing control system that this embodiment provided is provided with the measurement layer, implements layer and control layer, and the liquid measurement subassembly on measurement layer can generate the measurement data signal according to the liquid flow of each pipeline in the membrane workshop to transmit to first communication converter, first communication converter can carry out protocol conversion to the measurement data signal, and transmit to the server of being connected with total switch subassembly through one-level switch subassembly and second-level switch subassembly. The control module is arranged between the electronic devices, can acquire sensing data acquired by the connected sensing assemblies, and controls the working state of the execution assembly according to a locally stored preset program and an execution instruction. The server can analyze and process the sensing data and the flow data to generate monitoring data, and generates an execution instruction according to the operation parameters acquired by the first operation station, so that the network connection and control of the brine processing equipment are realized, digital signals are adopted to transmit in the transmission process of the flow data and the sensing data, the distortion and loss of the data are reduced, and the accuracy of control and metering is improved.

It should be particularly noted that the utility model discloses an operation procedure in control module, MVR unit, fresh water pretreatment unit, engineer station, first operation station, second operation station, third operation station and the server all adopts prior art to implement.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims (10)

1. A brine treatment control system, comprising:

a control layer, an implementation layer, and a metering layer;

the measuring layer comprises a primary switch assembly, a first communication converter and a liquid measuring assembly, the liquid measuring assembly is arranged in the membrane workshop, and the liquid measuring assembly is used for measuring flow data of liquid in the brine treatment process; the first communication converter is in communication connection with the liquid metering assembly and is used for performing protocol conversion on the flow data; the primary switch assembly is in communication connection with the first communication converter;

the implementation layer comprises a secondary switch component and a control module, and the secondary switch component is in communication connection with the primary switch component; the control module is in communication connection with the secondary switch assembly and is used for acquiring sensing data of the sensing assembly and controlling the working state of the execution assembly according to the execution instruction;

the control layer comprises a server, a first operation station and a main switch assembly, and the server and the first operation station are respectively in communication connection with the main switch assembly; the server is used for analyzing and processing the sensing data and the flow data, generating monitoring data and generating the execution instruction according to the operation parameters output by the first operation station; the first operation station is used for displaying the monitoring data and generating the operation parameters; the main switch assembly is in communication connection with the secondary switch assembly.

2. The brine processing control system of claim 1, wherein the servers comprise a main server and a redundant server, the main server being connected to the main switch assembly, the redundant server being connected to the main server and the main switch assembly, respectively.

3. The brine treatment control system of claim 1, wherein the sensing component comprises a pre-treatment sensor; the execution component comprises a pre-processing executor;

the secondary switch component comprises a first switch; the control module comprises a preprocessing unit; the preprocessing unit is in communication connection with the first switch, the first switch is in communication connection with the main switch assembly, and the preprocessing unit is used for acquiring preprocessing sensing data of a preprocessing sensor and controlling the working state of the preprocessing actuator according to the execution instruction.

4. The brine treatment control system of claim 3, wherein the implementation layer further comprises: the electricity consumption metering component and the second communication converter;

the power consumption metering assembly is used for measuring power consumption data of the brine treatment production line; the second communication converter is respectively in communication connection with the electricity consumption metering assembly and the first switch, and is used for performing protocol conversion on the electricity consumption data.

5. The brine treatment control system of claim 4, wherein the electricity metering component comprises a multifunctional electricity meter and an uninterruptible power supply, the multifunctional electricity meter is connected with the uninterruptible power supply, and the multifunctional electricity meter is used for measuring power supply data of the uninterruptible power supply;

the uninterruptible power supply is in communication connection with the second communication converter and is used for sending battery state data to the second communication converter; wherein the power usage data includes the power supply data and the battery status data.

6. The brine processing control system of claim 4, wherein said implementation layer further comprises a station of engineers, said station of engineers being communicatively coupled to said first switch, said station of engineers configured to input program modification instructions.

7. The brine treatment control system of claim 3, wherein the sensing assembly further comprises a membrane treatment sensor; the execution assembly further comprises a membrane process executor;

the secondary switch component further comprises a second switch; the control module further comprises a membrane processing unit; the membrane processing unit is in communication connection with the second switch, the second switch is in communication connection with the first switch, and the membrane processing unit is used for acquiring membrane processing sensing data of the membrane processing sensor and controlling the working state of the membrane processing actuator according to the execution instruction.

8. The brine process control system of claim 1, 2 or 3, wherein the sensing component comprises an MVR sensor; the execution component comprises an MVR executor;

the secondary switch component comprises a third switch; the control module comprises an MVR unit; the MVR unit is in communication connection with the third switch, the third switch is in communication connection with the main switch assembly, and the MVR unit is used for acquiring MVR sensing data of an MVR sensor and controlling the working state of the MVR actuator according to the execution instruction.

9. The brine treatment control system of claim 8, wherein the sensing assembly comprises a fresh water sensor; the execution assembly comprises a fresh water actuator;

the secondary switch component further comprises a fourth switch; the control module comprises a fresh water pretreatment unit; the fresh water pretreatment unit is in communication connection with the fourth switch, the fourth switch is in communication connection with the main switch assembly, and the fresh water pretreatment unit is used for acquiring fresh water sensing data of a fresh water sensor and controlling the working state of the fresh water actuator according to the execution instruction.

10. The brine treatment control system of claim 9, wherein the implementation layer further comprises a second operator station and a third operator station, the second operator station communicatively coupled to the third switch; and the third operation station is in communication connection with the fourth switch.

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