CN219499041U - Rectifying electric control device for electric desalting system - Google Patents
Rectifying electric control device for electric desalting system Download PDFInfo
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- CN219499041U CN219499041U CN202320351090.3U CN202320351090U CN219499041U CN 219499041 U CN219499041 U CN 219499041U CN 202320351090 U CN202320351090 U CN 202320351090U CN 219499041 U CN219499041 U CN 219499041U
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- 238000011033 desalting Methods 0.000 title claims abstract description 10
- 238000011065 in-situ storage Methods 0.000 claims description 16
- 238000009296 electrodeionization Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000010612 desalination reaction Methods 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 23
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
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Abstract
The utility model relates to a rectifying electric control device for an electric desalting system, comprising: the device comprises a power supply, a device electrical control loop, a rectification controller module and an on-site manual controller module; the power supply is electrically connected with the device electrical control loop, the rectification controller module and the on-site manual controller module; wherein the device electrical control loop comprises a device electrical primary loop and a device electrical secondary loop. The beneficial effects of the utility model are as follows: the utility model can realize the rapid emergency stop of the EDI system after receiving the water inlet and water cut-off signals of the system, and avoid the occurrence of production accidents caused by incapability of cutting off direct current in the water cut-off state; in a remote control state, the long-term stability of the water production resistivity of the system is realized through the PID regulation function of the PLC system, the workload of operators is reduced, and unattended operation can be realized.
Description
Technical Field
The utility model relates to the technical field of chemical water treatment electric desalting, in particular to a rectifying electric control device for an electric desalting system.
Background
Along with the gradual popularization of the chemical water treatment Electric Desalting (EDI) technology, the requirements on the integration level and the automation degree of an EDI device are higher and higher, in the current design, the current of an EDI rectification controller is manually adjusted to be the main current by adopting a disk cabinet, and the current value of a rectification module is displayed on a local panel, so that the purpose of adjusting the current is achieved.
However, in the case of the manual mode of the EDI device, the workload of the operator is large, and the unattended operation can be realized after the remote automation is realized.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a rectifying electric control device for an electric desalting system, which comprises:
the device comprises a power supply, a device electrical control loop, a rectification controller module and an on-site manual controller module; the power supply is electrically connected with the device electrical control loop, the rectification controller module and the on-site manual controller module; wherein the device electrical control loop comprises a device electrical primary loop and a device electrical secondary loop; the rectification controller module comprises a first rectification controller U1, a second rectification controller U3 and a third rectification controller U5; the in-situ manual controller module comprises a first in-situ manual controller U2, a second in-situ manual controller U4 and a third in-situ manual controller U6;
in the electric primary loop of the device, a primary loop breaker Q1 and an alternating current contactor KM1 are arranged for supplying power to the on-off rectification controller module, and an energizing indicator lamp H1 is arranged at the phase to indicate whether the rectification controller module is in an energizing state or not;
in the electric secondary circuit of the device, a secondary circuit breaker Q2 is arranged for switching on/off a secondary circuit power supply, a two-position knob S1 is used for switching on-site or remote control, a normally open auxiliary contact is used for remote state indication, a first button S2 with a lamp is used for on-site disk control starting a rectifier, a second button S3 with a lamp is used for on-site disk control stopping the rectifier, a button S4 is connected in series with a self-locking circuit of the first button S2 with the lamp, the second button S3 with the lamp and the button S4, and the self-locking circuit is used for alarming on-site disk control resetting of the rectifier; the coil of the first intermediate relay K1 is connected with a normally open contact of the water-break flow switch in series; the coils of the second intermediate relay K2, the third intermediate relay K3 and the fourth intermediate relay K4 are respectively connected with alarm normally open contacts of the first rectifying controller U1, the second rectifying controller U3 and the third rectifying controller U5 in series, one normally open contact of the second intermediate relay K2, the third intermediate relay K3 and the fourth intermediate relay K4 is used for self-locking, one normally open contact is connected with a loop of the second indicator lamp D2, the third indicator lamp D3 and the fourth indicator lamp D4 in series and used for indicating, one normally open contact is used for outputting signals to a far-end control system, and the other normally closed contact is connected with a water-break shutdown port of the first rectifying controller U1, the second rectifying controller U3 and the third rectifying controller U5 in series.
Preferably, the power sources of the first rectifying controller U1, the second rectifying controller U3 and the third rectifying controller U5 are respectively taken to the output side of the ac contactor KM 1; the first rectification controller U1, the second rectification controller U3 and the third rectification controller U5 are characterized in that the 9 terminal and the 10 terminal of a first wiring terminal board JP1 are rectifier fault alarm output terminals, and the 1 terminal and the 2 terminal are water-break and outage input terminals; the terminals 1, 2, 3 and 4 of the second wiring terminal board JP2 are signal conversion terminals of the first on-site manual controller U2, the second on-site manual controller U4 and the third on-site manual controller U6; the third connection terminal board JP3 is a power supply output terminal connected to the EDI module through a cable;
the terminals 1 and 2 of the first on-site manual controller U2, the second on-site manual controller U4 and the third on-site manual controller U6 are power supply terminals, the terminals 3 and 4 are remote current given terminals, and the terminals 5, 6, 7 and 8 are signal exchange terminals with the rectification controller.
Preferably, the rectifying electronic control device is provided with an interface terminal for remote state monitoring and control.
Preferably, the power supply is an Alternating Current (AC) 380V power supply.
The beneficial effects of the utility model are as follows: the utility model solves the remote unattended requirement of the EDI system, can realize the rapid emergency stop of the EDI system after receiving the water inlet and water interruption signals of the system, and avoids the occurrence of production accidents caused by incapability of cutting off direct current in the water interruption state; in a remote control state, the long-term stability of the water production resistivity of the system is realized through the PID regulation function of the PLC system, the workload of operators is reduced, and unattended operation can be realized.
Drawings
FIG. 1 is a diagram of an electrical control loop;
FIG. 2 is a schematic circuit diagram of a first rectifier controller U1 and a first in-situ manual controller U2;
FIG. 3 is a schematic circuit diagram of a second rectifier controller U3 and a second in-situ manual controller U4;
FIG. 4 is a schematic circuit diagram of a third rectifier controller U5 and a third in-situ manual controller U6;
reference numerals illustrate: the circuit breaker comprises a primary circuit breaker Q1, a secondary circuit breaker Q2, an alternating-current contactor KM1, a two-position knob S1, a first button S2 with a lamp, a second button S3 with a lamp, a button S4, a first intermediate relay K1, a second intermediate relay K2, a third intermediate relay K3, a fourth intermediate relay K4, a first rectifying controller U1, a second rectifying controller U3, a third rectifying controller U5, a first on-site manual controller U2, a second on-site manual controller U4, a third on-site manual controller U6, a first indicator lamp D1, a second indicator lamp D2, a third indicator lamp D3, a fourth indicator lamp D4, an energizing indicator lamp H1, a first wiring terminal board JP1, a second wiring terminal board JP2 and a third wiring terminal board JP3.
Detailed Description
The utility model is further described below with reference to examples. The following examples are presented only to aid in the understanding of the utility model. It should be noted that it will be apparent to those skilled in the art that modifications can be made to the present utility model without departing from the principles of the utility model, and such modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Example 1:
a rectifying electronic control device for an electrodeionization system, as shown in fig. 1, comprising:
the device comprises a power supply, a device electrical control loop, a rectification controller module and an on-site manual controller module; the power supply is an Alternating Current (AC) 380V power supply and is electrically connected with the device electrical control loop, the rectification controller module and the on-site manual controller module; the device electric control loop comprises a device electric primary loop and a device electric secondary loop; the rectification controller module comprises a first rectification controller U1, a second rectification controller U3 and a third rectification controller U5; the in-situ manual controller module comprises a first in-situ manual controller U2, a second in-situ manual controller U4 and a third in-situ manual controller U6;
in the electric primary loop of the device, a primary loop breaker Q1 and an alternating current contactor KM1 are arranged for supplying power to the on-off rectification controller module, and an energizing indicator lamp H1 is arranged at the phase to indicate whether the rectification controller module is in an energizing state or not;
in the electric secondary circuit of the device, a secondary circuit breaker Q2 is arranged for switching on/off a secondary circuit power supply, a two-position knob S1 is used for switching on-site or remote control, a normally open auxiliary contact is used for remote state indication, a first button S2 with a lamp is used for on-site disk control starting a rectifier, a second button S3 with a lamp is used for on-site disk control stopping the rectifier, a button S4 is connected in series with a self-locking circuit of the first button S2 with the lamp, the second button S3 with the lamp and the button S4, and the self-locking circuit is used for alarming on-site disk control resetting of the rectifier; the coil of the first intermediate relay K1 is connected with a normally open contact of the water-break flow switch in series; the coils of the second intermediate relay K2, the third intermediate relay K3 and the fourth intermediate relay K4 are respectively connected with alarm normally open contacts of the first rectifying controller U1, the second rectifying controller U3 and the third rectifying controller U5 in series, one normally open contact of the second intermediate relay K2, the third intermediate relay K3 and the fourth intermediate relay K4 is used for self-locking, one normally open contact is connected with a loop of the second indicator lamp D2, the third indicator lamp D3 and the fourth indicator lamp D4 in series and used for indicating, one normally open contact is used for outputting signals to a far-end control system, and the other normally closed contact is connected with a water-break shutdown port of the first rectifying controller U1, the second rectifying controller U3 and the third rectifying controller U5 in series.
As shown in fig. 2 to 4, the power sources of the first rectifying controller U1, the second rectifying controller U3 and the third rectifying controller U5 are respectively taken to the output side of the ac contactor KM 1; the first rectification controller U1, the second rectification controller U3 and the third rectification controller U5 are characterized in that the 9 terminal and the 10 terminal of a first wiring terminal board JP1 are rectifier fault alarm output terminals, and the 1 terminal and the 2 terminal are water-break and outage input terminals; the terminals 1, 2, 3 and 4 of the second wiring terminal board JP2 are signal conversion terminals of the first on-site manual controller U2, the second on-site manual controller U4 and the third on-site manual controller U6; the third connection terminal board JP3 is a power supply output terminal connected to the EDI module through a cable;
the terminals 1 and 2 of the first on-site manual controller U2, the second on-site manual controller U4 and the third on-site manual controller U6 are power supply terminals, the terminals 3 and 4 are remote current given terminals, and the terminals 5, 6, 7 and 8 are signal exchange terminals with the rectification controller.
In addition, the rectification electric control device is reserved with an interface terminal for remote state monitoring and control.
The electrical control loop in this embodiment comprises 3 sets of control of the rectifying controller, and can be adjusted according to the specific situation when the system needs more.
Example 2:
a method of installing a rectifying electronic control device for an electrodeionization system comprising:
step 1, installing a rectifying electric control device for an electric desalting system on an electric desalting carriage, and accessing a power supply through a cable;
in the step 1, whether the power supply of the electric control device is normally displayed on the panel of the device through the power-on indicator lamp H1 is judged, and the power supply is an alternating current AC380V power supply;
step 2, connecting the #1EDI module to terminals 1 and 2 of an X3 terminal block through a cable, wherein the terminal block 1 is an anode; the #2EDI module is connected to terminals 7 and 8 of the X3 terminal block through a cable, wherein the terminal block 7 is an anode; the #3EDI module is connected to terminals 13 and 14 of the X3 terminal block through a cable, wherein the terminal block 13 is an anode; the other signals of the X1 terminal row are respectively connected into a remote programmable controller (PLC) through cables;
step 3, normally open contacts of a water inflow flow switch of the EDI system are connected to terminals 9 and 10 of an X1 terminal row;
and 4, closing the primary circuit breaker Q1, and at the moment, turning on the indicator lamp H1, wherein the primary circuit is in an electrified state.
And 5, closing the secondary circuit breaker Q2, wherein the secondary circuit is in an electrified state.
Example 3:
a rectifying electronic control method for an electrodeionization system, performed by a rectifying electronic control device for an electrodeionization system, comprising:
step 1, powering up a system: the primary circuit breaker Q1 and the secondary circuit breaker Q2 are closed, and the energizing indicator lamp H1 is lightened at the moment to indicate that the power supply of the device is electrified;
step 2, starting the system: the two-position knob S1 is driven to the on-site side, and the direct current output of the rectifier is manually adjusted through an on-site manual controller; after the debugging is finished, the two-position knob S1 is driven to the remote control side, and the PLC system automatically adjusts the direct current output of the rectifier through the on-site manual controller according to a current given signal of the rectifier;
the step 2 comprises the following steps:
step 2.1, manually starting: the two-position knob S1 is driven to the on-site side, at the moment, the on-site side loop of the secondary loop is opened, the first lamp button S2 is pressed, the coil of the alternating current contactor KM1 is electrified and closed, the main contact of the alternating current contactor KM1 in the primary loop is closed, the auxiliary contact is closed to lock the secondary loop, the primary loop is electrified, the indicator lamp of the first lamp button S2 is lightened, the rectifier starts to output after judging that the system is in a non-water-break state, the terminal JP3 of the third wiring terminal board outputs default direct current, the EDI module is driven to produce water, and the on-site and remote display is realized after the resistivity of the produced water is detected through the resistivity meter on the water production pipeline of the EDI system; the running and debugging personnel judge whether the water resistivity meets the requirement or not through a resistivity meter, if the water resistivity does not meet the requirement, the direct current output of the rectifier is manually adjusted through up-down arrow buttons on the panels of the first on-site manual controller U2, the second on-site manual controller U4 and the third on-site manual controller U6, so that the water resistivity of the EDI system can reach the standard;
step 2.2, remote starting: after the system debugging is completed, switching to an automatic operation mode; the two-position knob S1 is driven to the remote control side, a secondary circuit remote control side circuit is opened at the moment, an operator manually presses a starting button at an upper computer, a PLC system sends a remote starting long pulse instruction to terminals 7 and 8 of an X1 terminal block, an alternating current contactor KM1 coil is electrified and closed, a primary circuit is electrified, an indicator lamp of a first lamp button S2 is lighted, a rectifier starts to output after judging that the system is in a non-water-break state, a third wiring terminal board JP3 terminal outputs default direct current, an EDI module is driven to produce water, and the water production resistivity is detected through a resistivity meter on a water production pipeline of the EDI system to realize on-site and remote display; the PLC system compares and calculates 4-20mA signals sent by the on-site resistivity meter with target resistivity values which are set in the PID regulator in advance, and then sends 4-20mA rectifier current given signals to 3 and 4 binding posts of the first on-site manual controller U2, the second on-site manual controller U4 and the third on-site manual controller U6 to regulate the direct current output of the rectifier in real time, so that the water production resistivity of the EDI is more and more close to the initial target value in the PID regulator, and the aim of automatic operation of the system is achieved.
Step 3, system shutdown: including protection shutdown, in-situ shutdown, and remote shutdown;
the step 3 comprises the following steps:
step 3.1, protecting and stopping: when the EDI water inflow flow switch detects that the flow is insufficient and water is cut off, the first intermediate relay K1 is powered on, the auxiliary contact starts the rectifier self-protection, and the direct current output is automatically cut off; a first indicator lamp D1 on the device is lightened to give an alarm; when any 1 set of 3 sets of rectifiers breaks down, the 9 terminal and the 10 terminal of the first wiring terminal board JP1 send out short pulse signals, so that the second intermediate relay K2, the third intermediate relay K3 or the fourth intermediate relay K4 is self-locked after being electrified, and the second indicator lamp D2, the third indicator lamp D3 or the fourth indicator lamp D4 are lighted, thereby being convenient for operators to judge which rectifier breaks down; at the moment, after receiving a rectifier fault signal, the PLC system triggers shutdown sequence control, a remote side loop is powered off, an alternating current contactor KM1 coil is powered off, a main contact is disconnected, a primary loop is disconnected, a second button S3 with a lamp is lighted, the rectifier is powered off, and the system is shut down;
step 3.2, when the two-position knob S1 is positioned on the on-site side, when the second button S3 with the lamp is pressed, the coil of the alternating current contactor KM1 is powered off, the main contact is disconnected, the primary loop is disconnected, the indicator lamp of the second button S3 with the lamp is lighted, the rectifier is powered off, and the system is stopped;
step 3.3, remote shutdown: after the operation personnel trigger a shutdown instruction by soft manual operation on the upper computer, the PLC system triggers shutdown sequential control, the remote side loop is powered off, the coil of the alternating current contactor KM1 is powered off, the main contact is disconnected, the primary loop is disconnected, the second indicator lamp with the lamp button S3 is lighted, the rectifier is powered off, and the system is shut down.
Claims (4)
1. A rectifying and electrically controlled device for an electrodeionization system comprising: the device comprises a power supply, a device electrical control loop, a rectification controller module and an on-site manual controller module; the power supply is electrically connected with the device electrical control loop, the rectification controller module and the on-site manual controller module; wherein the device electrical control loop comprises a device electrical primary loop and a device electrical secondary loop; the rectification controller module comprises a first rectification controller U1, a second rectification controller U3 and a third rectification controller U5; the in-situ manual controller module comprises a first in-situ manual controller U2, a second in-situ manual controller U4 and a third in-situ manual controller U6;
in the electric primary loop of the device, a primary loop breaker Q1 and an alternating current contactor KM1 are arranged for supplying power to the on-off rectification controller module, and an energizing indicator lamp H1 is arranged at the phase to indicate whether the rectification controller module is in an energizing state or not;
in the electric secondary circuit of the device, a secondary circuit breaker Q2 is arranged for switching on/off a secondary circuit power supply, a two-position knob S1 is used for switching on-site or remote control, a normally open auxiliary contact is used for remote state indication, a first button S2 with a lamp is used for on-site disk control starting a rectifier, a second button S3 with a lamp is used for on-site disk control stopping the rectifier, a button S4 is connected in series with a self-locking circuit of the first button S2 with the lamp, the second button S3 with the lamp and the button S4, and the self-locking circuit is used for alarming on-site disk control resetting of the rectifier; the coil of the first intermediate relay K1 is connected with a normally open contact of the water-break flow switch in series; the coils of the second intermediate relay K2, the third intermediate relay K3 and the fourth intermediate relay K4 are respectively connected with alarm normally open contacts of the first rectifying controller U1, the second rectifying controller U3 and the third rectifying controller U5 in series, one normally open contact of the second intermediate relay K2, the third intermediate relay K3 and the fourth intermediate relay K4 is used for self-locking, one normally open contact is connected with a loop of the second indicator lamp D2, the third indicator lamp D3 and the fourth indicator lamp D4 in series and used for indicating, one normally open contact is used for outputting signals to a far-end control system, and the other normally closed contact is connected with a water-break shutdown port of the first rectifying controller U1, the second rectifying controller U3 and the third rectifying controller U5 in series.
2. The rectifying electric control device for an electric desalting system according to claim 1, wherein power sources of the first rectifying controller U1, the second rectifying controller U3 and the third rectifying controller U5 are respectively taken to an output side of the alternating current contactor KM 1; the first rectification controller U1, the second rectification controller U3 and the third rectification controller U5 are characterized in that the 9 terminal and the 10 terminal of a first wiring terminal board JP1 are rectifier fault alarm output terminals, and the 1 terminal and the 2 terminal are water-break and outage input terminals; the terminals 1, 2, 3 and 4 of the second wiring terminal board JP2 are signal conversion terminals of the first on-site manual controller U2, the second on-site manual controller U4 and the third on-site manual controller U6; the third connection terminal board JP3 is a power supply output terminal connected to the EDI module through a cable;
the terminals 1 and 2 of the first on-site manual controller U2, the second on-site manual controller U4 and the third on-site manual controller U6 are power supply terminals, the terminals 3 and 4 are remote current given terminals, and the terminals 5, 6, 7 and 8 are signal exchange terminals with the rectification controller.
3. The rectifying electric control device for an electric desalination system of claim 2, wherein the rectifying electric control device is provided with interface terminals for remote status monitoring and control.
4. A rectifying electric control device for an electric desalination system according to claim 3, characterized in that said power supply is an alternating current AC380V power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320351090.3U CN219499041U (en) | 2023-03-01 | 2023-03-01 | Rectifying electric control device for electric desalting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320351090.3U CN219499041U (en) | 2023-03-01 | 2023-03-01 | Rectifying electric control device for electric desalting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219499041U true CN219499041U (en) | 2023-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320351090.3U Active CN219499041U (en) | 2023-03-01 | 2023-03-01 | Rectifying electric control device for electric desalting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219499041U (en) |
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- 2023-03-01 CN CN202320351090.3U patent/CN219499041U/en active Active
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Address after: 310012 99 Huaxing Road, Xihu District, Hangzhou, Zhejiang (Hangzhou Neusoft business building) Patentee after: Zhejiang Zheneng Technology Environmental Protection Group Co.,Ltd. Country or region after: China Address before: 310012 99 Huaxing Road, Xihu District, Hangzhou, Zhejiang (Hangzhou Neusoft business building) Patentee before: Zhejiang Tiandi Environmental Protection Technology Co.,Ltd. Country or region before: China |