CN103557172A - Control device for annular cooling blower - Google Patents
Control device for annular cooling blower Download PDFInfo
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- CN103557172A CN103557172A CN201310570910.9A CN201310570910A CN103557172A CN 103557172 A CN103557172 A CN 103557172A CN 201310570910 A CN201310570910 A CN 201310570910A CN 103557172 A CN103557172 A CN 103557172A
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Abstract
The invention discloses a control device for an annular cooling blower. The control device comprises a material detection unit, a main control unit and a blower control unit, wherein the material detection unit is used for detecting the temperature information and thickness information of material; the main control unit is used for receiving the temperature information and thickness information of the material, which are sent by the material detection unit, treating the information, calculating heat dissipating capacity of the material, comparing the heat dissipating capacity obtained through calculating with the preset heat dissipating capacity of the material, and outputting the on-off control signals of one or more blowers and the control signals of frequency-variable motors of one or more blowers according to comparison results; the blower control unit is used for controlling the on and off of the corresponding blowers according to the on-off control signals of the blowers, and adjusting the frequency of the frequency-variable motors of the corresponding blowers according to the control signals of the frequency-variable motors of the blowers. According to the control device for the annular cooling blower, running states of each blower are controlled according to obtained temperature and thickness data of the material, appropriate air volume is provided, energy consumption is reduced, and resources are saved.
Description
Technical field
The present invention relates to the power-saving technology of sintering system in field of metallurgy, particularly a kind of ring cold-blast machine control gear.
Background technique
In iron and steel is produced, iron-bearing material ore needs to process through sintering system before entering blast furnace process.Sintering is to allocate various powdery iron-containing raw materials into appropriate fuel and flux, after mixing and pelletizing, on sintering pallet, burns, and makes material generation series of physical chemical change, the process of mineral powder granular being cohered into the piece of easy smelting.Ring cold-blast machine is circular cooler; cooling for the sintering deposit obtaining after sintering is carried out to air blast in smelting; blower power consumption in smelting process as ring cold-blast machine main working parts is very large; in order to guarantee cooling effect; blower is all generally in running at full capacity state; blast volume often can be than actual demand large, caused the waste of the energy.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of ring cold-blast machine control gear, can effectively reduce the energy consumption of ring cold-blast machine.
The technological scheme that the present invention solves the problems of the technologies described above is as follows: a kind of ring cold-blast machine control gear, comprises material detecting unit, main control unit and air compressor control unit;
Material detecting unit comprises temperature detecting module, thickness detecting module, for detecting temperature information and the thickness information of material;
Air compressor control unit comprises energy supply control module and variable-frequency motor control module;
Temperature of charge information and material thickness information that main control unit sends for receiving material detecting unit, described information is processed and calculated material heat dissipating capacity, by calculate to material heat dissipating capacity is compared with predetermined material heat dissipating capacity, according to comparison result, export one or more blower and open and close control signal and one or more blower variable frequency motor control signal;
Blower keying control signal and blower variable frequency motor control signal that air compressor control unit sends for receiving main control unit; Energy supply control module opens and closes control signal according to blower and controls corresponding blower keying; Variable-frequency motor control module is adjusted the frequency of corresponding blower variable frequency motor according to blower variable frequency motor control signal.
Preferably, temperature of charge detecting module comprises at least two infrared thermometry devices.
Preferably, temperature of charge detecting module comprises infrared rays height testing instrument.
The present invention, by obtaining temperature of charge and thickness data, controls the running state of each blower accordingly, and appropriate air quantity is provided, and reduces energy consumption, energy saving.
Accompanying drawing explanation
Fig. 1 is a kind of ring cold-blast of the present invention machine control gear general structure schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Fig. 1 is a kind of ring cold-blast of the present invention machine control gear general structure schematic diagram, and as shown in Figure 1, a kind of ring cold-blast machine control gear, comprises material detecting unit, main control unit and air compressor control unit;
Material detecting unit comprises temperature detecting module, thickness detecting module, for detecting temperature information and the thickness information of material; Temperature of charge detecting module comprises at least two infrared thermometry devices, and material thickness detecting module comprises infrared rays height testing instrument.
Air compressor control unit comprises energy supply control module and variable-frequency motor control module;
Temperature of charge information and material thickness information that main control unit sends for receiving material detecting unit, process and calculate material heat dissipating capacity described information; Processing procedure is as follows: because chassis area, material travelling speed and material density all can detect by data, according to the material thickness detecting, can calculate the quality of material that the unit time passes through, two infrared thermometry devices are for detection of the cooling front and cooled temperature of material, by object heat formula Q=C*M* (T1-T2), can calculate the heat dissipating capacity of material, in formula, Q is material heat dissipating capacity, C is material ratio thermal capacitance, M is the quality of material transporting the unit time, and T1, T2 are respectively the temperature of the cooling front and back of material.Main control unit by calculate to material heat dissipating capacity is compared with predetermined material heat dissipating capacity, according to comparison result, export one or more blower and open and close control signal and one or more blower variable frequency motor control signal;
Blower keying control signal and blower variable frequency motor control signal that air compressor control unit sends for receiving main control unit; Energy supply control module opens and closes control signal according to blower and controls corresponding blower keying; Variable-frequency motor control module is adjusted the frequency of corresponding blower variable frequency motor according to blower variable frequency motor control signal.
The above implementation step and method have only been expressed one embodiment of the present invention, and description is comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.Do not departing under the prerequisite of patent design of the present invention, the distortion of doing and improvement should all belong to the protection domain of patent of the present invention.
Claims (3)
1. a ring cold-blast machine control gear, is characterized in that, comprises material detecting unit, main control unit and air compressor control unit;
Described material detecting unit comprises temperature detecting module, thickness detecting module, for detecting temperature information and the thickness information of material;
Described air compressor control unit comprises energy supply control module and variable-frequency motor control module;
Temperature of charge information and material thickness information that described main control unit sends for receiving described material detecting unit, described information is processed and calculated material heat dissipating capacity, the material heat dissipating capacity calculating and predetermined material heat dissipating capacity are compared, according to comparison result, export one or more blower and open and close control signal and one or more blower variable frequency motor control signal;
Blower keying control signal and blower variable frequency motor control signal that described air compressor control unit sends for receiving described main control unit; Described energy supply control module opens and closes control signal according to blower and controls corresponding one or more blower keying; Described variable-frequency motor control module is adjusted the frequency of corresponding one or more blower variable frequency motor according to blower variable frequency motor control signal.
2. a kind of ring cold-blast machine control gear according to claim 1, is characterized in that, described temperature of charge detecting module comprises at least two infrared thermometry devices.
3. according to a kind of ring cold-blast machine control gear described in claim 1 or 2, it is characterized in that, described temperature of charge detecting module comprises infrared rays height testing instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310570910.9A CN103557172A (en) | 2013-11-13 | 2013-11-13 | Control device for annular cooling blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310570910.9A CN103557172A (en) | 2013-11-13 | 2013-11-13 | Control device for annular cooling blower |
Publications (1)
| Publication Number | Publication Date |
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| CN103557172A true CN103557172A (en) | 2014-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310570910.9A Pending CN103557172A (en) | 2013-11-13 | 2013-11-13 | Control device for annular cooling blower |
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| CN (1) | CN103557172A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910444A (en) * | 2016-04-21 | 2016-08-31 | 中冶北方（大连）工程技术有限公司 | Material temperature control method of sinter-circle-cooling machine |
| CN107676285A (en) * | 2017-09-30 | 2018-02-09 | 四川德胜集团钒钛有限公司 | A kind of frequency conversion control device for annular cooling blower and method |
| CN108411106A (en) * | 2017-02-09 | 2018-08-17 | 东芝三菱电机产业系统株式会社 | The air quantity controller of cooling equipment |
| CN112033172A (en) * | 2020-09-07 | 2020-12-04 | 无锡智澄电气科技有限公司 | Frequency adjusting method for sintering main exhaust fan |
Citations (7)
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| JPS5763645A (en) * | 1980-10-01 | 1982-04-17 | Sumitomo Metal Ind Ltd | Controlling method for cooling by cooler after sintering |
| CN1233666A (en) * | 1999-03-19 | 1999-11-03 | 重庆钢铁(集团)有限责任公司 | System for controlling cooling of agglomerate |
| CN201463613U (en) * | 2009-07-27 | 2010-05-12 | 重庆钢铁(集团)有限责任公司 | Sintered ore cooling system |
| CN102011743A (en) * | 2009-09-08 | 2011-04-13 | 中冶长天国际工程有限责任公司 | Blast blower control system for circular cooler |
| JP2012251698A (en) * | 2011-06-01 | 2012-12-20 | Jp Steel Plantech Co | Waste heat recovery equipment of sintered ore cooling device, waste heat recovering method, and sintering machine system |
| CN202648445U (en) * | 2012-05-08 | 2013-01-02 | 宝山钢铁股份有限公司 | Low emission sintered ore cooling system |
| CN103014329A (en) * | 2012-12-27 | 2013-04-03 | 中冶长天国际工程有限责任公司 | Control method of annular cooling air blower |
-
2013
- 2013-11-13 CN CN201310570910.9A patent/CN103557172A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5763645A (en) * | 1980-10-01 | 1982-04-17 | Sumitomo Metal Ind Ltd | Controlling method for cooling by cooler after sintering |
| CN1233666A (en) * | 1999-03-19 | 1999-11-03 | 重庆钢铁(集团)有限责任公司 | System for controlling cooling of agglomerate |
| CN201463613U (en) * | 2009-07-27 | 2010-05-12 | 重庆钢铁(集团)有限责任公司 | Sintered ore cooling system |
| CN102011743A (en) * | 2009-09-08 | 2011-04-13 | 中冶长天国际工程有限责任公司 | Blast blower control system for circular cooler |
| JP2012251698A (en) * | 2011-06-01 | 2012-12-20 | Jp Steel Plantech Co | Waste heat recovery equipment of sintered ore cooling device, waste heat recovering method, and sintering machine system |
| CN202648445U (en) * | 2012-05-08 | 2013-01-02 | 宝山钢铁股份有限公司 | Low emission sintered ore cooling system |
| CN103014329A (en) * | 2012-12-27 | 2013-04-03 | 中冶长天国际工程有限责任公司 | Control method of annular cooling air blower |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910444A (en) * | 2016-04-21 | 2016-08-31 | 中冶北方（大连）工程技术有限公司 | Material temperature control method of sinter-circle-cooling machine |
| CN105910444B (en) * | 2016-04-21 | 2018-06-15 | 中冶北方（大连）工程技术有限公司 | A kind of sintering circular-cooler temperature of charge control method |
| CN108411106A (en) * | 2017-02-09 | 2018-08-17 | 东芝三菱电机产业系统株式会社 | The air quantity controller of cooling equipment |
| CN108411106B (en) * | 2017-02-09 | 2019-11-01 | 东芝三菱电机产业系统株式会社 | The air quantity controller of cooling equipment |
| CN107676285A (en) * | 2017-09-30 | 2018-02-09 | 四川德胜集团钒钛有限公司 | A kind of frequency conversion control device for annular cooling blower and method |
| CN112033172A (en) * | 2020-09-07 | 2020-12-04 | 无锡智澄电气科技有限公司 | Frequency adjusting method for sintering main exhaust fan |
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Application publication date: 20140205 |
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