CN212348284U - Steel mill desulfurization dust removal automatic control system - Google Patents
Steel mill desulfurization dust removal automatic control system Download PDFInfo
- Publication number
- CN212348284U CN212348284U CN202020691968.4U CN202020691968U CN212348284U CN 212348284 U CN212348284 U CN 212348284U CN 202020691968 U CN202020691968 U CN 202020691968U CN 212348284 U CN212348284 U CN 212348284U
- Authority
- CN
- China
- Prior art keywords
- controller
- control
- dust removal
- monitoring device
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a steel mill desulfurization dust removal automatic control system. The system comprises: the system comprises a central control platform, a power distribution cabinet, a PLC control and acquisition system, a temperature controller, a lime feeding controller, a circulating ash controller, a waste ash discharge controller, a dust removal system controller, a discharge monitoring device, a pressure and temperature monitoring device, an electric butterfly valve, a rotary feeder, a proportion adjusting valve, a pneumatic gate valve, a PLC controller, a CEMS system and a pressure and temperature sensor. The utility model discloses make whole industry control environment obtain optimal control, solved the technological problem that appears personnel's technical ability not enough, valve aperture is unknown, artifical scene on duty etc. easily in the production emission process, realized the full automatic control of production process, improve productivity.
Description
Technical Field
The utility model relates to a steel mill desulfurization dust removal control technical field is a steel mill desulfurization dust removal automatic control system.
Background
In the steel smelting industry, desulfurization, denitrification and dust removal are one of the most important links in the industry, the production process is complex, the requirement on process parameters is high, and the automation level of the existing process flow has great difference. According to the characteristics of the production process, the control difficulties that manual operation is too complicated, continuity requirements are high and the like in desulfurization and dust removal in a large amount of flue gas discharged to the atmosphere in enterprise production are solved. An advanced control technology and a control strategy are required to be applied, and an advanced system network control platform comprising a sensor, a controller, an actuating mechanism, a control network and the like is formed to solve the technical bottleneck of drying tower process control, so that the process requirement of low emission is realized.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a realize low emission, the utility model provides a steel mill desulfurization dust removal automatic control system, the utility model provides a following technical scheme:
an automatic control system for desulfurization and dust removal of a steel mill, the system comprising: the system comprises a central control platform, a power distribution cabinet, a PLC control and acquisition system, a temperature controller, a lime feeding controller, a circulating ash controller, a waste ash discharge controller, a dust removal system controller, a discharge monitoring device, a pressure and temperature monitoring device, an electric butterfly valve, a rotary feeder, a proportion regulating valve, a pneumatic gate valve, a PLC controller, a CEMS system and a pressure and temperature sensor;
the central control platform is connected with a power distribution cabinet, the power distribution cabinet is connected with a PLC (programmable logic controller) control and acquisition system, and the PLC control and acquisition system controls a temperature controller, a lime feeding controller, a circulating ash controller, a waste ash discharge controller, a dust removal system controller, a discharge monitoring device and a pressure temperature monitoring device;
the automatic lime feeding device is characterized in that the temperature controller is in control connection with an electric butterfly valve, the lime feeding controller is in control connection with a rotary feeder, the circulating ash controller is in control connection with a proportion adjusting valve, the waste ash discharging controller is in control connection with a pneumatic gate valve, the dust removal system controller is in control connection with a PLC (programmable logic controller), the discharging monitoring device is in data connection with a CEMS (continuous emission monitoring system), and the pressure and temperature monitoring device is connected with a pressure and temperature sensor.
Preferably, the system further comprises an alarm, and the alarm is connected with the power distribution cabinet.
Preferably, the central control platform is connected with the power distribution cabinet through an ethernet.
The utility model discloses following beneficial effect has:
the utility model discloses make whole industry control environment obtain optimal control, solved the technological problem that appears personnel's technical ability not enough, valve aperture is unknown, artifical scene on duty etc. easily in the production emission process, realized the full automatic control of production process, improve productivity.
Drawings
FIG. 1 is a diagram of a steel mill desulfurization and dust removal automatic control system.
Detailed Description
The present invention is described in detail below with reference to specific embodiments.
The first embodiment is as follows:
according to fig. 1, the utility model provides a steel mill desulfurization dust removal automatic control system, the system includes: the system comprises a central control platform, a power distribution cabinet, a PLC control and acquisition system, a temperature controller, a lime feeding controller, a circulating ash controller, a waste ash discharge controller, a dust removal system controller, a discharge monitoring device, a pressure and temperature monitoring device, an electric butterfly valve, a rotary feeder, a proportion regulating valve, a pneumatic gate valve, a PLC controller, a CEMS system and a pressure and temperature sensor;
the central control platform is connected with a power distribution cabinet, the power distribution cabinet is connected with a PLC (programmable logic controller) control and acquisition system, and the PLC control and acquisition system controls a temperature controller, a lime feeding controller, a circulating ash controller, a waste ash discharge controller, a dust removal system controller, a discharge monitoring device and a pressure temperature monitoring device;
the automatic lime feeding device is characterized in that the temperature controller is in control connection with an electric butterfly valve, the lime feeding controller is in control connection with a rotary feeder, the circulating ash controller is in control connection with a proportion adjusting valve, the waste ash discharging controller is in control connection with a pneumatic gate valve, the dust removal system controller is in control connection with a PLC (programmable logic controller), the discharging monitoring device is in data connection with a CEMS (continuous emission monitoring system), and the pressure and temperature monitoring device is connected with a pressure and temperature sensor. The system further comprises an alarm which is connected with the power distribution cabinet.
The system is connected with a pressure temperature sensor through a pressure temperature monitoring device, the temperature is collected through the pressure temperature sensor and fed back to the PLC control and collection system, the PLC control and collection system controls the temperature controller to control and connect the electric butterfly valve according to the temperature fed back, and the process water flow and the inlet and outlet temperature in the reaction tower are automatically controlled by adjusting the electric butterfly valve. The emission monitoring device is in data connection with the CEMS system and monitors the emission environment, the system is in control connection with the proportional control valve through the control of the circulating ash controller according to the environment monitoring result, the feeding speed of the lime slaking bin and the automatic control of sulfide in the emission are realized through the proportional control valve, and the automatic control of the opening of the proportional control valve and the pressure difference in the reaction tower is realized.
The system is connected with the pneumatic gate valve in a control mode through the waste ash discharge controller, the gate valve is started through adjustment to control the waste ash discharge, and the integration of the automatic discharge system of the waste ash tower is achieved.
The system is connected with the PLC through the control of the dust removal system controller, the PLC is adjusted to control the dust remover, and the purging time and the pressure difference are controlled.
The central control platform is connected with the power distribution cabinet through the Ethernet and is combined with an industrial Ethernet control network to realize efficient, stable and reliable transmission and processing of data. The central control platform adopts an electronic computer to monitor various actuating mechanisms and sensors in the system in real time, and all the actuators and sensors are connected with a central control systemThe line parameters and the states are displayed on a computer screen, technicians can modify the parameters on line in the control center and each sub-control center, the configuration is controlled on line, and the setting of the control parameters is convenient and flexible. The running states of all production lines are monitored, operators can operate according to different process requirements according to set parameters, automatic control is achieved, full-optimization automatic control over key parts is achieved according to related algorithms, alarm information is generated in real time, and the printing device has a real-time and fixed-point printing function. The system has self-diagnosis function and alarm history storage function, and can automatically generate various reports. The system running state can be remotely monitored in real time and relevant parameters can be modified. The utility model discloses can realize discharging the content of sulphide in the flue gas: is controlled at 100mg/m in a steady state3(ii) a Moisture value of oxygen content in the discharged flue gas: within 15% -17%; discharging outlet particles in the flue gas: 0.05mg/m3。
The utility model discloses do not improve control method, the utility model discloses an that each device adopted is current control method, or each device itself can realize this function.
The above is only the preferred implementation mode of a steel mill desulfurization dust removal automatic control system, and a steel mill desulfurization dust removal automatic control system's protection scope does not only limit to above-mentioned example, and all belong to technical scheme under this thinking all belong to the utility model discloses a protection scope. It should be noted that modifications and variations can be made by those skilled in the art without departing from the principles of the invention, and such modifications and variations are considered to be within the scope of the invention.
Claims (3)
1. The utility model provides a steel mill desulfurization dust removal automatic control system which characterized by: the system comprises: the system comprises a central control platform, a power distribution cabinet, a PLC control and acquisition system, a temperature controller, a lime feeding controller, a circulating ash controller, a waste ash discharge controller, a dust removal system controller, a discharge monitoring device, a pressure and temperature monitoring device, an electric butterfly valve, a rotary feeder, a proportion regulating valve, a pneumatic gate valve, a PLC controller, a CEMS system and a pressure and temperature sensor;
the central control platform is connected with a power distribution cabinet, the power distribution cabinet is connected with a PLC (programmable logic controller) control and acquisition system, and the PLC control and acquisition system controls a temperature controller, a lime feeding controller, a circulating ash controller, a waste ash discharge controller, a dust removal system controller, a discharge monitoring device and a pressure temperature monitoring device;
the automatic lime feeding device is characterized in that the temperature controller is in control connection with an electric butterfly valve, the lime feeding controller is in control connection with a rotary feeder, the circulating ash controller is in control connection with a proportion adjusting valve, the waste ash discharging controller is in control connection with a pneumatic gate valve, the dust removal system controller is in control connection with a PLC (programmable logic controller), the discharging monitoring device is in data connection with a CEMS (continuous emission monitoring system), and the pressure and temperature monitoring device is connected with a pressure and temperature sensor.
2. The steel mill desulfurization and dust removal automatic control system according to claim 1, characterized in that: the system further comprises an alarm which is connected with the power distribution cabinet.
3. The steel mill desulfurization and dust removal automatic control system according to claim 1, characterized in that: the central control platform is connected with the power distribution cabinet through the Ethernet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020691968.4U CN212348284U (en) | 2020-04-29 | 2020-04-29 | Steel mill desulfurization dust removal automatic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020691968.4U CN212348284U (en) | 2020-04-29 | 2020-04-29 | Steel mill desulfurization dust removal automatic control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212348284U true CN212348284U (en) | 2021-01-15 |
Family
ID=74134753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020691968.4U Expired - Fee Related CN212348284U (en) | 2020-04-29 | 2020-04-29 | Steel mill desulfurization dust removal automatic control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212348284U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116392938A (en) * | 2023-06-07 | 2023-07-07 | 张家港市锦明环保工程装备有限公司 | Waste gas denitration reaction device |
-
2020
- 2020-04-29 CN CN202020691968.4U patent/CN212348284U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116392938A (en) * | 2023-06-07 | 2023-07-07 | 张家港市锦明环保工程装备有限公司 | Waste gas denitration reaction device |
| CN116392938B (en) * | 2023-06-07 | 2023-08-29 | 张家港市锦明环保工程装备有限公司 | Waste gas denitration reaction process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202838010U (en) | DCS (Distributed Control System) for wet flue gas desulfurization of furnace and furnace kiln | |
| CN111596632B (en) | Coal fired power plant ash conveying control optimization system | |
| CN201040260Y (en) | Coal mill self-adaptive control system | |
| CN212348284U (en) | Steel mill desulfurization dust removal automatic control system | |
| CN207822767U (en) | A kind of heat-engine plant wet desulfurization outlet SO2 emission control circuits | |
| CN104959015A (en) | Flue gas desulphurization automatic control system capable of realizing thorough emission of flue gas and desulphurization method | |
| CN112530530A (en) | Method for calculating limestone slurry density optimal value algorithm model based on Matlab software | |
| CN111229010A (en) | Opening control system and opening control method of slurry supply regulating valve | |
| CN110104441A (en) | The defeated grey stored program controlled of boiler dry ash handling system | |
| CN204746081U (en) | Can realize flue gas desulfurization automatic controls of ultra -clean emission | |
| CN102541034A (en) | Biogas power generation control system | |
| CN112452520A (en) | Slag vertical mill intelligent method | |
| CN212680621U (en) | Deacidification atomizer feed control system | |
| CN111957190A (en) | Feeding control method and system for deacidification atomizer | |
| CN109162939A (en) | A kind of dedusting control system | |
| CN204724018U (en) | The flue gas desulfurization automatic control system of ultra-clean discharge can be realized | |
| CN212901557U (en) | Control device of scraper slag conveyor | |
| CN212881859U (en) | Control device and flue gas treatment equipment | |
| CN209957709U (en) | Automatic agent unloading system of catalytic cracking regenerator | |
| CN209386786U (en) | A kind of rotary hearth furnace automatic combustion control device | |
| TWI755672B (en) | Method and apparatus for deodorization using ozone | |
| CN109114575B (en) | Sludge incineration disposal feeding proportioning control system and method | |
| Ershov et al. | System of process control for associated concentrate nanostructures production | |
| CN217599863U (en) | Automatic baking soda feeding system based on PLC control | |
| CN2932194Y (en) | Air door system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210115 |