CN220569078U - Emergency operation control device for high-level waste liquid glass curing engineering - Google Patents
Emergency operation control device for high-level waste liquid glass curing engineering Download PDFInfo
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- CN220569078U CN220569078U CN202321704471.1U CN202321704471U CN220569078U CN 220569078 U CN220569078 U CN 220569078U CN 202321704471 U CN202321704471 U CN 202321704471U CN 220569078 U CN220569078 U CN 220569078U
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- 239000002927 high level radioactive waste Substances 0.000 title claims abstract description 30
- 235000019353 potassium silicate Nutrition 0.000 title claims abstract description 24
- 238000002844 melting Methods 0.000 claims abstract description 30
- 230000008018 melting Effects 0.000 claims abstract description 30
- 238000003723 Smelting Methods 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 8
- 230000008023 solidification Effects 0.000 claims description 19
- 238000007711 solidification Methods 0.000 claims description 19
- 239000011521 glass Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 12
- 239000011324 bead Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000004088 simulation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Abstract
The utility model relates to an emergency operation control device for high-level waste liquid glass curing engineering, which comprises an upper computer provided with programmable controller simulation software, wherein the upper computer is connected with a processor of a control cabinet through a network cable, clamping pieces and connectors of types required by on-site control of a smelting furnace are arranged in the control cabinet, each clamping piece is connected with a signal acquisition unit and a control part of the on-site smelting furnace through cables and is connected with the processor through an internal bus, each input clamping piece transmits signals acquired by the signal acquisition unit to the processor through internal communication of the control cabinet, the processor transmits processed signal data to the upper computer, and an operation command sent by the upper computer is transmitted to the processor of the control cabinet and is transmitted to the control part of the on-site smelting furnace through each output clamping piece in the control cabinet. The utility model can greatly improve the redundancy of the melting furnace during no-load operation, ensure the safe and stable operation of the melting furnace and reduce the occurrence of human accidents.
Description
Technical Field
The utility model relates to a simulation control device, in particular to an emergency operation control device for high-level waste liquid glass curing engineering.
Background
The glass curing process of the high-level waste liquid adopts a liquid feeding Joule heating ceramic electric melting furnace glass curing technology, in the glass curing process, the high-level waste liquid and glass beads are required to be heated and fused together in a melting furnace according to a certain proportion through electrode pairs, and the temperature of mixed feed liquid in the melting furnace can reach 1000 ℃. During the failure or maintenance of the field control system, the heating of the electrodes in the melting furnace is uncontrollable, which easily causes the temperature reduction of the melting furnace, the temperature falling below the allowable temperature range and even the solidification of mixed liquor, and causes the adverse effects of system failure and the like. Therefore, the emergency operation control device for the high-level waste liquid glass solidification engineering is provided with a minimum operation control system according to the range of signal monitoring and control instructions required by ensuring that the melting furnace is in a safe state, so as to ensure that the melting furnace is controlled to be in the safe state when the main control system is not available.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a safe and controllable emergency operation control device for a core equipment melting furnace for guaranteeing high-level waste liquid glass solidification engineering.
The technical scheme of the utility model is as follows: the utility model provides a high-level waste liquid glass solidification engineering emergency operation controlling means, includes the host computer that is equipped with programmable controller simulation software, the host computer passes through the net twine and is connected with the processor of control cabinet, carries out data transmission through OPC agreement between host computer and the processor, is equipped with the fastener and the connector of the required type of smelting pot on-the-spot control in the control cabinet, each fastener passes through the cable and is connected with signal acquisition unit and the control unit of on-the-spot smelting pot to pass through the internal bus with the processor is connected, each fastener will signal acquisition unit gathers the signal and passes through the internal communication of control cabinet and send to the processor, the processor sends the signal data after handling to the host computer, the operation command that the host computer sent is given the processor of control cabinet, each fastener in the control cabinet is sent the control unit of on-the-spot smelting pot.
Further, the high-level waste liquid glass solidification engineering emergency operation control device is characterized in that a network switch and a power module are arranged in the control cabinet.
Further, the high-level waste liquid glass solidification engineering emergency operation control device comprises the clamping piece, wherein the clamping piece at least comprises a DI card, a DO card, an AI card, an AO card, a TC card and an RTD card.
Further, the emergency operation control device for the high-level waste liquid glass solidification engineering is characterized in that the temperature, the differential pressure and the liquid level alarm signals of the feed tank of the melting furnace, which are acquired by the signal acquisition unit of the melting furnace, are sent to the processor through an AI card or a DI card by hard wire.
Further, the high level waste glass solidification engineering emergency operation control device as described above, wherein the processor sends the control signal to the control part of the melting furnace via AO card or DO card.
Furthermore, the emergency operation control device for the high-level waste liquid glass curing engineering is characterized in that I/O points of a melting furnace electric control system, a glass bead feeding system and an auxiliary related system which need to be monitored or operated in a linkage mode are in one-to-one correspondence with signal acquisition channels of the device.
The beneficial effects of the utility model are as follows: the utility model can realize full-automatic no-load operation of the control system on high-level waste liquid glass solidification, has good economic effect and perfect control function, can greatly improve the field environment, reduce the equipment risk and improve the working efficiency. In the high-level waste liquid glass solidification engineering, the utility model can greatly improve the redundancy during the no-load operation of the melting furnace, ensure the safe and stable operation of the melting furnace, greatly reduce the risk of solidification of glass bodies in the melting furnace, improve the automation level of the glass solidification engineering during the period that a formal control system is not available, and reduce the occurrence of human-caused accidents.
Drawings
FIG. 1 is a schematic diagram showing the connection relationship between corresponding clamping pieces of an emergency operation control device for high level waste liquid glass solidification engineering and signal acquisition devices and control components of a melting furnace in an embodiment of the utility model;
FIG. 2 is a schematic diagram of a network structure of an emergency operation control device for a glass curing project with high level waste liquid in an embodiment of the utility model;
FIG. 3 is a flow chart of a minimum operation process of the high level waste liquid glass curing engineering in an embodiment of the utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The utility model provides an emergency operation control device for high-level waste liquid glass curing engineering, which is characterized in that a software and hardware platform is built by NI hardware of a PLCSIM simulation platform combined country instrument of Siemens, a minimum operation control system logic program and a monitoring picture are loaded in the PLCSIM simulation platform, and the PLCSIM and the NI platform are connected through a switch. The operating command sent by the PLCSIM transmits the data to the processor of the NI platform through the OPC protocol, then the data is sent to the field valve and other equipment through the platform hardware clamping piece, and the measuring and feedback signals from the field are collected, and the data is sent to the PLCSIM according to the OPC protocol, so that the online control and real-time monitoring of the operation of the melting furnace are realized.
The hardware composition of the utility model comprises: control cabinets and upper computers (PC workstations). The control cabinet consists of a processor, a switch, a power module, DI, DO, AI, AO, TC, RTD and other clamping pieces and a wire connector. The upper computer is provided with programmable controller simulation software, the upper computer is connected with a processor of the control cabinet through a network cable, data transmission is carried out between the upper computer and the processor through an OPC protocol, each clamping piece is connected with a signal acquisition unit and a control part of the field device through cables and is connected with the processor through an internal bus, signals acquired by the signal acquisition unit are sent to the processor through internal communication of the control cabinet, the processor sends processed signal data to the upper computer, and an operation command sent by the upper computer is transmitted to the processor of the control cabinet and is sent to the control part of the field device through each clamping piece in the control cabinet. And the control signals or the measurement feedback signals received by the control cabinet are processed by the processor and then output to control the state of the field equipment or input to the monitoring picture display equipment.
The software comprises: high-performance powerful application software and special minimum running control system configuration program and picture installed in upper computer. The application software can realize the functions of process state monitoring, equipment operation, alarm recording, historical trend and the like. The workstation communicates with the control cabinet via a network.
The number of I/Os required by hardware, the configuration program and the picture required by software are all designed according to the equipment signals required during the idle running period of the high level waste liquid glass solidification engineering furnace.
The minimum operation control system needs to monitor or carry out the I/O points of the chain operation and has related signals of furnace control, including a furnace electric control system, a glass bead feeding system, an auxiliary related system and the like, and the I/O points are in one-to-one correspondence with hardware channels in the device. When the device is used, the software screen and the I/O point table can be imported into the device, and the field cable can be quickly connected with the device.
For safety and stability of signals, each signal acquisition device of the melting furnace is connected with the clamping piece through hard wires, for example, signals such as temperature and differential pressure of the melting furnace, liquid level alarm of the feeding tank and the like are connected through hard wires AI clamping pieces or DI clamping pieces; the clamping piece and the corresponding control part of the melting furnace are also subjected to instruction issuing in a hard-wired mode. For example, the temperature alarm signal is sent to an on-site control cabinet from a processor through a digital output clamping piece in a hard-wired mode to carry out power and current setting and overrun alarm of the smelting furnace, opening control of a feeding regulating valve and the like. The signal connection relation among the IO card, the acquisition device and the control component is shown in figure 1.
In the utility model, the system hardware adopts a framework of decentralized networking and centralized control. The control cabinet comprises various clamping pieces and connectors required by the site, cables laid on the site can be directly connected to the cabinet, and after being subjected to signal processing of the clamping pieces, the cables are sent to the processor for comprehensive processing through internal communication of the cabinet, and then signal data are sent to the PLCSIM according to an OPC protocol. The upper computer can receive all signals of the cabinet for monitoring and alarming, and a layer of assembly program of the PLCSIM platform can force various signals, and the configuration program comprises a furnace body related program, an exhaust system program, a waste liquid collecting system and an auxiliary system program.
The utility model can utilize Simatic NET newly built OPC server of Siemens, in engineering configuration, newly built S7 link is downloaded to PLCSIM forwarded by tool software, then develop OPC client side at test management software side, through binding data point by point, and then connect with former OPC server, can realize the data communication of emergency operation control device and DCS side (Siemens S7-PLCSIM).
The system adopts engineering software with perfect functions, can realize the integral import and export of configuration, and single-point configuration modification, deletion, addition, forcing, trend and the like; the software also provides a complete graphical/tabular man-machine interface, realizes the fusion function of the first-layer workstation and the second-layer workstation, simplifies equipment and optimizes a device.
As shown in fig. 2, the siemens PLCSIM simulation platform DCS installs the engineering configuration and the picture of the emergency operation control device, uses RJ45 network cable to connect the main processor of the I/O conversion cabinet, and performs signal communication according to the OPC protocol; the main processor of the I/O conversion cabinet transmits signals with the IO card through an internal bus, the IO card is connected with the field device through hard wiring, the IO card of the NI product is used for transmitting/receiving field device control signals, and control configuration and control pictures are realized through software in the virtual machine. The hardware used in the control device mainly comprises a PC workstation (also called an upper computer), a power module, a main processor, a DO/DI/AO/AI (including RTD and TC) module, a fan, a bottom plate and the like, and the details are shown in Table 1.
Table 1: hardware configuration list
The control logic of the control device can realize the temperature control of the melting furnace, the tail gas treatment, auxiliary system equipment, parameter control and the like, and ensures the no-load stable and safe operation of the high-level waste liquid glass solidification melting furnace. The minimum operation process flow of the high-level waste liquid glass solidification project is shown in fig. 3, and the logic program of the device mainly comprises:
glass curing logic: maintaining basic operation of the melting furnace, and adjusting relevant parameters such as temperature, liquid level and the like of the melting furnace.
Tail gas system logic: is responsible for the treatment of the tail gas withdrawn from the furnace.
Auxiliary system logic: is responsible for the basic control of water vapor, deionized water, compressed air and cooling water required by the melting furnace and the tail gas system.
Waste liquid collection system logic: and (3) treating waste liquid generated by the smelting furnace and tail gas.
The operator monitoring screens include minimum process run screens, monitoring of control and variables of the equipment, vital parameter trends, alarms, etc.
The utility model can realize the full-automatic no-load operation of the control device on the solidification of the high-level waste liquid glass through a communication network formed by a network and a hard wire, has good economic effect and perfect control function, and can greatly improve the field environment, thereby achieving the purposes of reducing the equipment risk and improving the working efficiency.
It will be apparent to those skilled in the art that the structure of the present utility model is not limited to the details of the above-described exemplary embodiments, but the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The emergency operation control device for the high-level waste liquid glass curing engineering is characterized by comprising an upper computer provided with simulation software of a programmable controller, wherein the upper computer is connected with a processor of a control cabinet through a network cable, data transmission is carried out between the upper computer and the processor through an OPC protocol, clamping pieces and connectors of types required by on-site control of a smelting furnace are arranged in the control cabinet, each clamping piece is connected with a signal acquisition unit and a control part of the on-site smelting furnace through cables and is connected with the processor through an internal bus, signals acquired by the signal acquisition unit are sent to the processor through internal communication of the control cabinet, the processor sends processed signal data to the upper computer, and an operation command sent by the upper computer is transmitted to the processor of the control cabinet and is sent to the control part of the on-site smelting furnace through each output clamping piece in the control cabinet.
2. The emergency operation control device for the high-level waste liquid glass curing engineering according to claim 1, wherein a network switch and a power module are arranged in the control cabinet.
3. The high level waste glass curing engineering emergency operation control device according to claim 1, wherein the clamping piece at least comprises a DI card, a DO card, an AI card, an AO card, a TC card and an RTD card.
4. The emergency operation control device for high level waste liquid glass solidification engineering according to claim 3, wherein the temperature, differential pressure and liquid level alarm signals of the melting furnace, which are acquired by the signal acquisition unit of the melting furnace, are sent to the processor through hard wiring by an AI card or a DI card.
5. A high level waste glass solidification engineering emergency operation control device according to claim 3, wherein the processor sends control signals to the control unit of the furnace via AO-card or DO-card hard wiring.
6. The emergency operation control device for the high level waste liquid glass curing engineering according to claim 1, wherein the I/O points of the electric control system of the melting furnace, the glass bead feeding system and the auxiliary related system which need to be monitored or operated in a linkage mode are in one-to-one correspondence with the signal acquisition channels of the device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321704471.1U CN220569078U (en) | 2023-06-30 | 2023-06-30 | Emergency operation control device for high-level waste liquid glass curing engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321704471.1U CN220569078U (en) | 2023-06-30 | 2023-06-30 | Emergency operation control device for high-level waste liquid glass curing engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220569078U true CN220569078U (en) | 2024-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321704471.1U Active CN220569078U (en) | 2023-06-30 | 2023-06-30 | Emergency operation control device for high-level waste liquid glass curing engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220569078U (en) |
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2023
- 2023-06-30 CN CN202321704471.1U patent/CN220569078U/en active Active
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