CN204513798U - A kind of Combustion of Hot Air Furnace control device - Google Patents
A kind of Combustion of Hot Air Furnace control device Download PDFInfo
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- CN204513798U CN204513798U CN201520183880.0U CN201520183880U CN204513798U CN 204513798 U CN204513798 U CN 204513798U CN 201520183880 U CN201520183880 U CN 201520183880U CN 204513798 U CN204513798 U CN 204513798U
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Abstract
A kind of Combustion of Hot Air Furnace control device, belongs to hot-blast furnace equipment control device technical field, for automatically controlling Combustion of Hot Air Furnace.Its technical scheme is: the utility model utilizes coal gas measuring instrument, combustion air measuring instrument, flue gas measuring instrument obtains the gas piping be connected with hot-blast stove, coal gas in combustion air pipeline and flue, combustion air and flue gas data, build the automatic computation model of air-fuel ratio, air-fuel ratio is calculated in real time automatically, and air-fuel ratio value operative employee's artificial experience obtained is introduced in automaton simultaneously, when Prevention analysis instrument breaks down, control device can continue to implement to control, the utility model efficiently solves the Combustion System problem of hot-blast stove, wind-warm syndrome 5-10 DEG C or reduction gas consumption 3% can be improved, bring considerable economic benefit.
Description
Technical field
The utility model relates to a kind of Combustion of Hot Air Furnace control device, belongs to hot-blast furnace equipment control device technical field.
Background technology
The Combustion System problem of hot-blast stove is known as global problem always, a lot of company carried out long-term research for this reason, the general complicate mathematical model based on material balance and energy balance abroad, and China's basic ideas adopt advanced control theory technology as the method realizing controlling.But because control thought and Mathematical Modeling complexity, enforcement difficulty require the reasons such as harsh and substantial deviation on-site actual situations greatly, to field condition, be difficult to make burner operation reach the best.Combustion System relies on the experience manual operations of operating personnel substantially, because operating personnel's level of control is uneven, hot-blast stove gas consumption is caused to increase, hot blast chimney arch side temperature is not high and unstable, blast furnace air temperature is not reached maximum, this situation is not effectively solved so far, is very disadvantageous to the steady production of blast furnace.A kind of suitable for China of design and development, hot-blast stove control device easy to implement and method are of great immediate significance.
Utility model content
The present utility model technical problem to be solved is to provide a kind of Combustion of Hot Air Furnace control device and method, this apparatus and method can make blast furnace hot blast stove combustion process be in Automatic Control state, really realize air and the coal gas automatic mixing of hot-blast stove.
The technical scheme solved the problems of the technologies described above is:
A kind of Combustion of Hot Air Furnace control device, its formation comprises measurement of gas flow device, gas flow adjusting device, gas pressure measurement mechanism, gas temperature measurement mechanism, combustion air flow measurement device, combustion air flow regulator, combustion air device for pressure measurement, combustion air temperature measuring equipment, arch testing temperature measurement mechanism, flue temperature measurement mechanism, flue measure of oxygen content device and gas composition measurement mechanism, inputting modular unit, output module, power module, gas arithmetic unit, multichannel process broken line adjuster, gas conditioner, cpu controller part, NIM, bus mother board module and display device, the hot-blast stove gas piping be connected with hot-blast stove is installed measurement of gas flow device, gas flow adjusting device, gas pressure measurement mechanism, gas temperature measurement mechanism successively, the combustion air pipeline be connected with hot-blast stove is installed combustion air flow measurement device, combustion air flow regulator, combustion air device for pressure measurement, combustion air temperature measuring equipment successively, the arch that arch testing temperature measurement mechanism is arranged on hot-blast stove is surveyed on outer wall or vault, and the flue be connected with hot-blast stove is installed flue temperature measurement mechanism and flue measure of oxygen content device successively, gas composition measurement mechanism is arranged on laboratory, is laboratory gas analysis meter, or for being arranged on the coal gas on-line analysis instrument on gas piping, measurement of gas flow device, gas flow adjusting device, gas pressure measurement mechanism, gas temperature measurement mechanism, combustion air flow measurement device, combustion air flow regulator, combustion air device for pressure measurement, combustion air temperature measuring equipment, arch testing temperature measurement mechanism, flue temperature measurement mechanism, flue measure of oxygen content device is connected with inputting modular unit with the output signal of telecommunication of gas composition measurement mechanism, gas flow adjusting device, the input electrical signal of combustion air flow regulator is connected with output module, inputting modular unit, output module, power module and gas arithmetic unit, multichannel process broken line adjuster is connected with gas conditioner, gas arithmetic unit, multichannel process broken line adjuster is connected with cpu controller part with gas conditioner, cpu controller part is connected with NIM, NIM is connected with display device, inputting modular unit, output module, power module, cpu controller part, NIM is arranged on bus mother board module.
Above-mentioned Combustion of Hot Air Furnace control device, distance between described measurement of gas flow device center line and gas flow adjusting device center line is greater than 5 times of gas piping diameters, distance between gas flow adjusting device center line and gas pressure measurement mechanism center line is greater than 2 times of gas piping diameters, distance between gas pressure measurement mechanism center line and gas temperature measurement mechanism center line is greater than gas piping diameter, distance between combustion air flow measurement device center line and combustion air flow regulator center line is greater than 5 times of combustion air pipe diameters, distance between combustion air flow regulator center line and combustion air device for pressure measurement center line is greater than 2 times of combustion air pipe diameters, distance between combustion air device for pressure measurement center line and combustion air temperature measuring equipment center line is greater than combustion air pipe diameter.
Above-mentioned Combustion of Hot Air Furnace control device, described measurement of gas flow device, combustion air flow measurement device is standard throttle apparatus or inserting-type flowmeter, gas pressure measurement mechanism, combustion air device for pressure measurement is pressure transmitter, gas temperature measurement mechanism, combustion air temperature measuring equipment is thermoelectricity occasionally thermal resistance, gas flow adjusting device, combustion air flow regulator is control valve or frequency converter, flue measure of oxygen content device is Zirconium oxide analyzer, gas composition measurement mechanism is gas analysis special-purpose gas chromatograph or gas analysis meter, NIM is industrial switch, Ethernet template, one in fieldbus, display device is industrial computer or graphic control panel.
Above-mentioned Combustion of Hot Air Furnace control device, described gas arithmetic unit comprises gas composition analytic unit and air-fuel ratio computing unit, and multichannel process broken line adjuster comprises flow set curve generation unit, and gas conditioner comprises automatic control unit.
Usefulness of the present utility model is:
The utility model utilizes coal gas measuring instrument, combustion air measuring instrument, flue gas measuring instrument obtains the gas piping be connected with hot-blast stove, coal gas in combustion air pipeline and flue, combustion air and flue gas data, build the automatic computation model of air-fuel ratio, air-fuel ratio is calculated in real time automatically, and air-fuel ratio value operative employee's artificial experience obtained is introduced in automaton simultaneously, when Prevention analysis instrument breaks down, control device can continue to implement to control, the utility model efficiently solves the Combustion System problem of hot-blast stove, wind-warm syndrome 5-10 DEG C or reduction gas consumption 3% can be improved, bring considerable economic benefit.
Accompanying drawing explanation
Fig. 1 is composition frame chart of the present utility model.
In figure, mark is as follows: gas piping 1, measurement of gas flow device 2, gas flow adjusting device 3, gas pressure measurement mechanism 4, gas temperature measurement mechanism 5, combustion air pipeline 6, combustion air flow measurement device 7, combustion air flow regulator 8, combustion air device for pressure measurement 9, combustion air temperature measuring equipment 10, arch testing temperature measurement mechanism 11, flue temperature measurement mechanism 12, flue measure of oxygen content device 13, gas composition measurement mechanism 14, inputting modular unit 15, output module 16, power module 1, cpu controller part 18, NIM 19, bus mother board module 20, display device 21, gas arithmetic unit 22, multichannel process broken line adjuster 23, gas conditioner 24.
Detailed description of the invention
Fig. 1 shows, the utility model comprises gas piping 1, measurement of gas flow device 2, gas flow adjusting device 3, gas pressure measurement mechanism 4, gas temperature measurement mechanism 5, combustion air pipeline 6, combustion air flow measurement device 7, combustion air flow regulator 8, combustion air device for pressure measurement 9, combustion air temperature measuring equipment 10, arch testing temperature measurement mechanism 11, flue temperature measurement mechanism 12, flue measure of oxygen content device 13 and gas composition measurement mechanism 14, inputting modular unit 15, output module 16, power module 17, gas arithmetic unit 22, multichannel process broken line adjuster 23, gas conditioner 24, cpu controller part 18, NIM 19, bus mother board module 20 and display device 21.
Fig. 1 shows, gas piping 1, combustion air pipeline 6 is connected with hot-blast stove respectively, measurement of gas flow device 2 installed successively by gas piping 1, gas flow adjusting device 3, gas pressure measurement mechanism 4, gas temperature measurement mechanism 5, above device stops mounting distance according to gas piping 1 physical length, 5D distance between measurement of gas flow device 2 and gas flow adjusting device 3 center line, 2D distance between gas flow adjusting device 3 and gas pressure measurement mechanism 4 center line, 1D distance between gas pressure measurement mechanism 4 and gas temperature measurement mechanism 5 center line, above D is gas piping 1 diameter.Measurement of gas flow device 2, gas pressure measurement mechanism 4 and gas temperature measurement mechanism 5 composition has the measurement of gas flow system of temperature and pressure compensation function, and gas flow adjusting device 3 is performance elements that Combustion of Hot Air Furnace control device gas flow regulates.
Fig. 1 shows, combustion air flow measurement device 7 installed successively by combustion air pipeline 6, combustion air flow regulator 8, combustion air device for pressure measurement 9, combustion air temperature measuring equipment 10, above device stops mounting distance according to combustion air pipeline 6 physical length, 5D distance between combustion air flow measurement device 7 and combustion air flow regulator 8 center line, 2D distance between combustion air flow regulator 8 and combustion air device for pressure measurement 9 center line, 1D distance between combustion air device for pressure measurement 9 and combustion air temperature measuring equipment 10 center line, above D is combustion air pipeline 6 diameter.Combustion air flow measurement device 2, combustion air device for pressure measurement 4 and combustion air temperature measuring equipment 5 composition has the combustion air Flow Measuring System of temperature and pressure compensation function, and combustion air flow regulator 3 is performance elements of Combustion of Hot Air Furnace control device combustion air Flow-rate adjustment.
Fig. 1 shows, and the arch that arch testing temperature measurement mechanism 11 is arranged on hot-blast stove is surveyed on outer wall or furnace roof, and flue is connected with hot-blast stove, flue is installed successively flue temperature measurement mechanism 12 and flue measure of oxygen content device 13.
Fig. 1 shows, and gas composition measurement mechanism 14 is arranged on laboratory, is laboratory gas analysis meter, or for being arranged on the coal gas on-line analysis instrument on gas piping 1.
Fig. 1 shows, and measurement of gas flow device 2, gas flow adjusting device 3, gas pressure measurement mechanism 4, gas temperature measurement mechanism 5, combustion air flow measurement device 7, combustion air flow regulator 8, combustion air device for pressure measurement 9, combustion air temperature measuring equipment 10, arch testing temperature measurement mechanism 11, flue temperature measurement mechanism 12, flue measure of oxygen content device 13 are connected with inputting modular unit 15 with the output signal of telecommunication of gas composition measurement mechanism 14.The input electrical signal of gas flow adjusting device 3, combustion air flow regulator 8 is connected with output module 16.Inputting modular unit 15, output module 16, power module 17 are connected with gas conditioner 24 with gas arithmetic unit 22, multichannel process broken line adjuster 23, gas arithmetic unit 22, multichannel process broken line adjuster 23 are connected with cpu controller part 18 respectively by communication interface with gas conditioner 24, cpu controller part 18 is connected with NIM 19, and inputting modular unit 15, output module 16, power module 17, cpu controller part 18, NIM 19 are arranged on bus mother board module 20.
Fig. 1 shows, and measurement of gas flow device 2, combustion air flow measurement device 7 are standard throttle apparatus or inserting-type flowmeter.Gas pressure measurement mechanism 4, combustion air device for pressure measurement 9 are pressure transmitter.Gas temperature measurement mechanism 5, combustion air temperature measuring equipment 10 are thermoelectricity occasionally thermal resistance.Gas flow adjusting device 3, combustion air flow regulator 8 are control valve or frequency converter.Flue measure of oxygen content device 13 is Zirconium oxide analyzer, and gas composition measurement mechanism 14 is gas analysis special-purpose gas chromatograph or gas analysis meter.
Fig. 1 shows, and gas arithmetic unit 22 comprises gas composition analytic unit and air-fuel ratio computing unit, in order to complete gas composition analysis and air-fuel ratio calculating.Multichannel process broken line adjuster 23 comprises flow set curve generation unit, generates in order to complete flow set curve.Gas conditioner 24 comprises automatic control unit, for realizing automatic control.Calculating and result are transported in cpu controller part 18 by gas arithmetic unit 22, multichannel process broken line adjuster 23, gas conditioner 24 respectively.
Fig. 1 shows, and NIM 19 is connected with display device 21, and NIM 19 is the one in industrial switch, Ethernet template, fieldbus, and display device 21 is industrial computer or graphic control panel.
Part of devices model in embodiment of the present utility model is as follows:
The specification of gas piping 1 is welded still pipe φ 1020*10;
Measurement of gas flow device 2 joins differential pressure transmitter for annular oriffice, and orifice plate model is LGH, and differential pressure transmitter is EJA110A;
Gas flow adjusting device 3 is ZKJW-0.6S type motorized adjustment butterfly valve, DN1000;
Gas pressure measurement mechanism 4 is EJA530A type pressure transmitter;
Gas temperature measurement mechanism 5 is WZP-240 type thermal resistance;
The specification of combustion air pipeline 2 is welded still pipe φ 1020*10;
Combustion air flow measurement device 7 joins differential pressure transmitter for standard throttle apparatus, and orifice plate model is LGB, and differential pressure transmitter is EJA110A;
Combustion air flow regulator 8 is ZKJW-0.6S type motorized adjustment butterfly valve, DN1000;
Combustion air device for pressure measurement 9 is EJA530A type pressure transmitter;
Combustion air temperature measuring equipment 10 is WZP-240 type thermal resistance;
Arch testing temperature measurement mechanism 11 is WRB-130 type thermocouple;
Flue temperature measurement mechanism 12 is WRK-240 type thermocouple;
Flue measure of oxygen content device 13 is RHO-702 type high temperature straight cutting oxygen analyzer;
Gas composition measurement mechanism 14 is GS-101M coal gas automatic analyzer;
The model of inputting modular unit 15 is 6ES7 331-7KF02-0AB0 and 6ES7 321-1BL00-0AA0;
The model of output module 16 is 6ES7 332-7KF02-0AB0 and 6ES7 322-1BL00-0AA0;
The model of power module 17 is 6ES7 307-1KA01-0AA0;
The model of gas arithmetic unit 22 is Japanese Yokogawa VJX7-H1 VJX7-H2;
The model of multichannel process broken line adjuster 23 is JUMO IMAGO 500 (70.3590);
The model of gas conditioner 24 is Japanese Yokogawa YS100;
The model of CPU control device 18 is 6ES7 315-2AH14-0AB0;
The model of NIM 19 is Moxa EDS-G205,6ES7 343-1EX30-0XE0 and 6ES7 153-1AA03-0XB0;
The model of bus mother board module 20 is 6ES7390-1GF30-0AA0;
The model of display device 21 is for grinding magnificent IPC-610H type industrial computer.
Above part of devices is instrumentation shaping on market, PLC or DCS system matured product.
Claims (4)
1. a Combustion of Hot Air Furnace control device, it is characterized in that: its formation comprises measurement of gas flow device (2), gas flow adjusting device (3), gas pressure measurement mechanism (4), gas temperature measurement mechanism (5), combustion air flow measurement device (7), combustion air flow regulator (8), combustion air device for pressure measurement (9), combustion air temperature measuring equipment (10), arch testing temperature measurement mechanism (11), flue temperature measurement mechanism (12), flue measure of oxygen content device (13) and gas composition measurement mechanism (14), inputting modular unit (15), output module (16), power module (17), gas arithmetic unit (22), multichannel process broken line adjuster (23), gas conditioner (24), cpu controller part (18), NIM (19), bus mother board module (20) and display device (21), the hot-blast stove gas piping (1) be connected with hot-blast stove is installed measurement of gas flow device (2), gas flow adjusting device (3), gas pressure measurement mechanism (4), gas temperature measurement mechanism (5) successively, the combustion air pipeline (6) be connected with hot-blast stove is installed combustion air flow measurement device (7), combustion air flow regulator (8), combustion air device for pressure measurement (9), combustion air temperature measuring equipment (10) successively, the arch that arch testing temperature measurement mechanism (11) is arranged on hot-blast stove is surveyed on outer wall or vault, and the flue be connected with hot-blast stove is installed flue temperature measurement mechanism (12) and flue measure of oxygen content device (13) successively, gas composition measurement mechanism (14) is arranged on laboratory, is laboratory gas analysis meter, or for being arranged on the coal gas on-line analysis instrument on gas piping (1), measurement of gas flow device (2), gas flow adjusting device (3), gas pressure measurement mechanism (4), gas temperature measurement mechanism (5), combustion air flow measurement device (7), combustion air flow regulator (8), combustion air device for pressure measurement (9), combustion air temperature measuring equipment (10), arch testing temperature measurement mechanism (11), flue temperature measurement mechanism (12), flue measure of oxygen content device (13) is connected with inputting modular unit (15) with the output signal of telecommunication of gas composition measurement mechanism (14), gas flow adjusting device (3), the input electrical signal of combustion air flow regulator (8) is connected with output module (16), inputting modular unit (15), output module (16), power module (17) and gas arithmetic unit (22), multichannel process broken line adjuster (23) is connected with gas conditioner (24), gas arithmetic unit (22), multichannel process broken line adjuster (23) is connected with cpu controller part (18) with gas conditioner (24), and cpu controller part (18) is connected with NIM (19), and NIM (19) is connected with display device (21), inputting modular unit (15), output module (16), power module (17), cpu controller part (18), NIM (19) is arranged on bus mother board module (20).
2. Combustion of Hot Air Furnace control device according to claim 1, it is characterized in that: the distance between described measurement of gas flow device (2) center line and gas flow adjusting device (3) center line is greater than 5 times of gas piping (1) diameters, distance between gas flow adjusting device (3) center line and gas pressure measurement mechanism (4) center line is greater than 2 times of gas piping (1) diameters, distance between gas pressure measurement mechanism (4) center line and gas temperature measurement mechanism (5) center line is greater than gas piping (1) diameter, distance between combustion air flow measurement device (7) center line and combustion air flow regulator (8) center line is greater than 5 times of combustion air pipeline (6) diameters, distance between combustion air flow regulator (8) center line and combustion air device for pressure measurement (9) center line is greater than 2 times of combustion air pipeline (6) diameters, distance between combustion air device for pressure measurement (9) center line and combustion air temperature measuring equipment (10) center line is greater than combustion air pipeline (6) diameter.
3. Combustion of Hot Air Furnace control device according to claim 2, it is characterized in that: described measurement of gas flow device (2), combustion air flow measurement device (7) is standard throttle apparatus or inserting-type flowmeter, gas pressure measurement mechanism (4), combustion air device for pressure measurement (9) is pressure transmitter, gas temperature measurement mechanism (5), combustion air temperature measuring equipment (10) is thermoelectricity occasionally thermal resistance, gas flow adjusting device (3), combustion air flow regulator (8) is control valve or frequency converter, flue measure of oxygen content device (13) is Zirconium oxide analyzer, gas composition measurement mechanism (14) is gas analysis special-purpose gas chromatograph or gas analysis meter, NIM (19) is industrial switch, Ethernet template, one in fieldbus, display device (21) is industrial computer or graphic control panel.
4. Combustion of Hot Air Furnace control device according to claim 3, it is characterized in that: described gas arithmetic unit (22) comprises gas composition analytic unit and air-fuel ratio computing unit, multichannel process broken line adjuster (23) comprises flow set curve generation unit, and gas conditioner (24) comprises automatic control unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520183880.0U CN204513798U (en) | 2015-03-30 | 2015-03-30 | A kind of Combustion of Hot Air Furnace control device |
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| CN201520183880.0U CN204513798U (en) | 2015-03-30 | 2015-03-30 | A kind of Combustion of Hot Air Furnace control device |
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| CN204513798U true CN204513798U (en) | 2015-07-29 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766970A (en) * | 2017-03-08 | 2017-05-31 | 广东中窑窑业股份有限公司 | A kind of recuperation of heat ducting system for kiln |
| CN106839746A (en) * | 2017-02-10 | 2017-06-13 | 中冶赛迪工程技术股份有限公司 | A kind of bf coal injection system combustion gas furnace automatically optimizes burning stove control method |
| CN106871657A (en) * | 2017-03-29 | 2017-06-20 | 清华大学 | A kind of many recirculation furnace coordinated control systems and method |
| CN112285158A (en) * | 2020-10-29 | 2021-01-29 | 攀钢集团攀枝花钢铁研究院有限公司 | Device and method for testing combustion characteristics of metallurgical gas |
| CN113897467A (en) * | 2021-09-24 | 2022-01-07 | 昆岳互联环境技术(江苏)有限公司 | Heating-up denitration hot-blast stove energy-saving device and control system thereof |
-
2015
- 2015-03-30 CN CN201520183880.0U patent/CN204513798U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106839746A (en) * | 2017-02-10 | 2017-06-13 | 中冶赛迪工程技术股份有限公司 | A kind of bf coal injection system combustion gas furnace automatically optimizes burning stove control method |
| CN106766970A (en) * | 2017-03-08 | 2017-05-31 | 广东中窑窑业股份有限公司 | A kind of recuperation of heat ducting system for kiln |
| CN106871657A (en) * | 2017-03-29 | 2017-06-20 | 清华大学 | A kind of many recirculation furnace coordinated control systems and method |
| CN106871657B (en) * | 2017-03-29 | 2019-03-22 | 清华大学 | More recirculation furnace coordinated control systems of one kind and method |
| CN112285158A (en) * | 2020-10-29 | 2021-01-29 | 攀钢集团攀枝花钢铁研究院有限公司 | Device and method for testing combustion characteristics of metallurgical gas |
| CN112285158B (en) * | 2020-10-29 | 2022-03-22 | 攀钢集团攀枝花钢铁研究院有限公司 | Device and method for testing combustion characteristics of metallurgical gas |
| CN113897467A (en) * | 2021-09-24 | 2022-01-07 | 昆岳互联环境技术(江苏)有限公司 | Heating-up denitration hot-blast stove energy-saving device and control system thereof |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 067102 A block 520, Luanhe town finance square, Shuangluan District, Chengde, Hebei Patentee after: CHENGDE BRANCH OF HBIS Group Address before: 067102 Luanhe town finance square, Shuangluan District, Chengde, Hebei, Hebei iron and steel Limited by Share Ltd Chengde branch Patentee before: HEBEI IRON AND STEEL Co.,Ltd. CHENGDE BRANCH |
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| 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: 20150729 |