CN203463328U - Automatic control device for annular cooler fans for pellet production - Google Patents
Automatic control device for annular cooler fans for pellet production Download PDFInfo
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- CN203463328U CN203463328U CN201320489542.0U CN201320489542U CN203463328U CN 203463328 U CN203463328 U CN 203463328U CN 201320489542 U CN201320489542 U CN 201320489542U CN 203463328 U CN203463328 U CN 203463328U
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Abstract
The utility model discloses an automatic control device for annular cooler fans for pellet production, and belongs to the field of metallurgical machinery. The automatic control device comprises master control room devices (an industrial personal computer and an industrial Ethernet switch), distribution room devices (a distribution component, three frequency converters and a PLC (programmable logic controller) system) and field detection and control devices (air temperature measurement thermocouples). The industrial control room device is used for setting parameters and displaying relevant operating parameters, the field detection device is used for detecting the parameters in field in real time, a detection signal is inputted to the PLC system for applying PID (proportion integration differentiation) control to drive the frequency converters to operate automatically, and hot air temperature of three cooling sections of an annular cooler is regulated automatically in real time. By the automatic control device, real-time regulation of cooling air temperature is realized, energy resources are saved, and the devices are prevented from being damaged.
Description
Technical field
The utility model relates to a kind of pelletizing production device, belongs to field of metallurgical machine, especially a kind of pelletizing production central cooler draught fan automatic control device.
Background technique
Pellet has the features such as intensity is high, epigranular, of high grade, harmful element content is low, is one of important component part of blast furnace burden.
Central cooler is a visual plant in pelletizing production technique, the red-hot group's ball burning till through roast equipment must be cooled to uniform temperature just can enter finished product conveying equipment below through central cooler, to avoid burning finished product conveying equipment, hot blast after the heat exchange that while central cooler is cooling a section, cooling two sections is repeated again to utilize the combustion air as roast system, to save the energy, the wind-warm syndrome of cooling three sections, due to too low, is directly discharged without value.In actual production, the air quantity of central cooler cooling blower regulates and must guarantee discharging finished ball at a certain temperature, avoids burning finished product outfeed belt, further requires to improve again one section, two sections heat exchange air temperatures of central cooler simultaneously, increases the efficiency of fuel.At present, during pelletizing process is produced, operator are mainly according to the air door of 3 cooling blowers of output per day manual tune central cooler.Shortcoming: according to operator's experiential operating, labor intensity is large, not energy-conservation, there is the phenomenon of burning finished belt due to misoperation.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of pelletizing production central cooler draught fan automatic control device, this device has been realized the adjustable in real time of central cooler fan delivery, can significantly improve working efficiency, reduces labor intensity, reduce electric energy loss, avoid equipment burnout.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of pelletizing production central cooler draught fan automatic control device, is characterized in that comprising industrial computer, regulator cubicle, wind-warm syndrome measurement thermocouple, blower fan driving frequency variator;
Described industrial computer, is arranged on the operating table in control room, by EPA, is connected with the programmable controller in regulator cubicle, shows in real time cooling one section of central cooler, the actual wind-warm syndrome of cooling two sections, cooling three sections and the air quantity of 3 cooling blowers;
Regulator cubicle, the cold one section of cooling blower of air-break switch, contactor, ring is installed in regulator cubicle to be driven with frequency variator, encircles cold two-step cooling blower fan and drive with frequency variator, encircle cold three sections of cooling blowers driving use frequency variator, programmable controller and input thereof, output interface, the input interface of described programmable controller connects respectively 3 wind-warm syndrome and measures thermocouple, the communication interface of programmable controller connects 3 blower fan driving frequency variators by Profbus-DP Field bus, regulates in real time 3 cooling fan flow;
Wind-warm syndrome is measured thermocouple and is arranged on respectively cooling one section, two sections, three sections of central coolers, for detection of the wind-warm syndrome of each section after cooling ball;
Blower fan drives and is arranged in electric closet with frequency variator, for regulating in real time cooling fan flow.
Said apparatus is described further, and described programmable controller adopts the S7-300 of SIEMENS.
Said apparatus is described further, and described blower fan drives the digital AC converter of S120 that adopts SIEMENS with frequency variator.
The beneficial effect that adopts technique scheme to produce is: the utility model is according to the difference of pelletizing production output, set the cooling rear hot blast temperature of three cooling sections of central cooler, according to Site Detection element feedback signal, after the computing of PLC system, control controller switching equipment and driving arrangement, realized the adjustable in real time of central cooler fan delivery, can significantly improve working efficiency, reduce labor intensity, reduce electric energy loss, avoid equipment burnout.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is square frame connection diagram of the present utility model.
Embodiment
As shown in Figure 1, the utility model is specifically related to a kind of pelletizing production central cooler draught fan automatic control device, and it comprises master-control room equipment, switchgear room equipment and field detecting device.Wherein master-control room equipment comprises industrial computer and industrial ethernet switch, and switchgear room equipment comprises that distribution components and parts, the blower fan in regulator cubicle drives by frequency variator and PLC system, and Site Detection and control apparatus use wind-warm syndrome to measure thermocouple.Industry control chamber equipment is for the setting of parameter and the demonstration of relevant Operational Limits, field detecting device is for the detection of on-the-spot real-time parameter, testing signal input PLC system applies PID controls the automatic operation that drives three frequency variators, realizes automatically regulating in real time of three cooling section hot blast temperatures of central cooler.
Industrial computer is arranged on the operating table in control room, by EPA, is connected with the programmable controller (PLC) in regulator cubicle, shows in real time cooling one section of central cooler, the actual wind-warm syndrome of cooling two sections, cooling three sections and the air quantity of 3 cooling blowers.
Air-break switch, contactor, input reactance device, cooling blower driving frequency variator, programmable controller (PLC) and input thereof, output interface are installed in regulator cubicle, the input interface of described PLC connects respectively 3 wind-warm syndrome and measures thermocouple, the communication interface of PLC connects 3 blower fan driving frequency variators by Profbus-DP Field bus, regulates in real time 3 cooling fan flow.
3 wind-warm syndrome are measured thermocouple and are arranged on respectively cooling one section, two sections, three sections of central coolers, for detection of the wind-warm syndrome of each section after cooling ball.
3 blower fans drive and are arranged in electric closet with frequency variator, for regulating in real time cooling fan flow.
PLC adopts the S7-300 of SIEMENS.Cooling blower drives the digital AC converter of S120 that adopts SIEMENS with frequency variator.
According to production requirement, on process control machine, set the process value of three cooling section temperature of central cooler, on-the-spot 3 wind-warm syndrome are measured the actual hot blast temperature that thermocouple detects three cooling sections of central cooler in real time, signal enters PLC system, in PLC system, utilize pid control algorithm to draw the controlled quentity controlled variable of each frequency variator, by Profibus-DP bus transfer to a three Frequency Converter Control fan delivery.By the present invention, can significantly improve working efficiency, reduce labor intensity, reduce electric energy loss, avoid equipment burnout.
Claims (3)
1. a pelletizing production central cooler draught fan automatic control device, is characterized in that comprising industrial computer, regulator cubicle, wind-warm syndrome measurement thermocouple, blower fan driving frequency variator;
Described industrial computer, is arranged on the operating table in control room, by EPA, is connected with the programmable controller in regulator cubicle, shows in real time cooling one section of central cooler, the actual wind-warm syndrome of cooling two sections, cooling three sections and the air quantity of 3 cooling blowers;
Regulator cubicle, the cold one section of cooling blower of air-break switch, contactor, ring is installed in regulator cubicle to be driven with frequency variator, encircles cold two-step cooling blower fan and drive with frequency variator, encircle cold three sections of cooling blowers driving use frequency variator, programmable controller and input thereof, output interface, the input interface of described programmable controller connects respectively 3 wind-warm syndrome and measures thermocouple, the communication interface of programmable controller connects 3 blower fan driving frequency variators by Profbus-DP Field bus, regulates in real time 3 cooling fan flow;
Wind-warm syndrome is measured thermocouple and is arranged on respectively cooling one section, two sections, three sections of central coolers, for detection of the wind-warm syndrome of each section after cooling ball;
Blower fan drives and is arranged in electric closet with frequency variator, for regulating in real time cooling fan flow.
2. a kind of pelletizing production central cooler draught fan automatic control device according to claim 1, is characterized in that described programmable controller adopts the S7-300 of SIEMENS.
3. a kind of pelletizing production central cooler draught fan automatic control device according to claim 1, is characterized in that described blower fan drives the digital AC converter of S120 that adopts SIEMENS with frequency variator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320489542.0U CN203463328U (en) | 2013-08-12 | 2013-08-12 | Automatic control device for annular cooler fans for pellet production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320489542.0U CN203463328U (en) | 2013-08-12 | 2013-08-12 | Automatic control device for annular cooler fans for pellet production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203463328U true CN203463328U (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320489542.0U Expired - Lifetime CN203463328U (en) | 2013-08-12 | 2013-08-12 | Automatic control device for annular cooler fans for pellet production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106814685A (en) * | 2017-03-11 | 2017-06-09 | 潍坊瑞孚冷弯设备有限公司 | A kind of automatic cold roll forming production line electric-control system |
-
2013
- 2013-08-12 CN CN201320489542.0U patent/CN203463328U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106814685A (en) * | 2017-03-11 | 2017-06-09 | 潍坊瑞孚冷弯设备有限公司 | A kind of automatic cold roll forming production line electric-control system |
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Granted publication date: 20140305 |