CN205046168U - Steel rolling heating furnace environmental protection economizer system - Google Patents
Steel rolling heating furnace environmental protection economizer system Download PDFInfo
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- CN205046168U CN205046168U CN201520669586.0U CN201520669586U CN205046168U CN 205046168 U CN205046168 U CN 205046168U CN 201520669586 U CN201520669586 U CN 201520669586U CN 205046168 U CN205046168 U CN 205046168U
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Abstract
The utility model discloses a steel rolling heating furnace environmental protection economizer system. It surveys the assembly module through real -time furnace atmosphere, surveys out the surplus coefficient of combustion -supporting medium - air, and with the help of the algorithm software and the combustion model of temperature, oxygen gesture, carbon gesture, the hardware systems of the best combustion zone control mainboard through implanting the heating furnace realizes that accurate linkage of air and fuel is reacted. Thereby the reduction scaling loss reaches the raising the output and reduces the gas consumption, reduces nitrogen oxide and carbon dioxide and discharges.
Description
[technical field]
The utility model relates to the energy-conservation and environment protection of China's industrial energy and resource two field greatly.
[background technology]
The control techniques of current domestic iron and steel process furnace is mainly divided into Non-follow control and DCS automatically to control two kinds.These two kinds of modes are all to show numerical value with fuel flow meter and combustion-supporting medium under meter, and the ratio rule of thumb set realizes regulating.The accuracy of meter readings is lower, and flow domestic at present counts only ammeter and can arrive accurately, and comprising tap water meter all can not real time measure very accurately, gas meter is by envrionment temperature, gas temperature, the impact of the factor such as pressure, calorific value is very large, has certain error with actual flow.
Operating mode in roasting kiln is complicated, and atmosphere rangeability is comparatively large, and gross data cannot realize accurate control.The fluctuation of fuel value and pressure will make stove combustion situation depart from best combustion band.Field working conditions changes the Non-follow control caused, and is a kind of experience control mode, has a certain distance with actual optimal combustion state.This control mode will waste fuel, and can strengthen the thickness of oxidization burning loss and Decarburized layer.
Under the severe situation such as serious superfluous in present steel industry production capacity, energy-saving and emission-reduction pressure is huge, the stability of the system that taken into full account in suitability for industrialized production and safety issue, meeting under the heating cycle such as furnace temperature and time inside furnace prerequisite, by precisely regulating the instant of atmosphere in process furnace, realize reducing stove internal oxidition scaling loss and energy consumption, cost-saving, improve effects is realized to steel enterprise and is of great importance.
Invention heater for rolling steel environmental protection and energy-saving system of the present utility model, overcomes above-mentioned drawback completely.Have that structure is simple, novel in appearance, elegant in appearance; Control mode is closed-loop control, belongs to the subsystem of original system.There is very large economic benefit.
[utility model content]
The utility model heater for rolling steel environmental protection and energy-saving system (see photo), by 1, hardware system; 2, high temperature detection assembly; 3, atmosphere signal switching station; 4, decline consume servosystem; 5, collection control main frame; 6, HMI arranges module; 7, PLC; 8, self regulating valve door; 101, furnace atmosphere sensing device; 102, purging system; 201, balancing control assembly; 202, multiple combustion model; 203, redundancy backup; 204, traditional combustion model; 205, combustion model to be rolled; 206 tapping combustion model compositions.
Heater for rolling steel environmental protection and energy-saving system, the hardware system 1 of mainboard is controlled by the best combustion band implanting process furnace, the furnace atmosphere real-time by high temperature detection assembly 2 detects, determine the coefficient of excess of combustion-supporting medium-air, by atmosphere signal switching station 3 by the algorithm software of decline consume servosystem 4 temperature, oxygen gesture, carbon potential and all kinds of combustion model, realize the accurate linkage reaction of air and fuel.HMI arranges module 6 and inputs, and collection control main frame 5, by self regulating valve door 8 aperture, reaches in-furnace temperature constant, the state of atmosphere the best.Collection control main frame 5 and PLC 7 not shared signal, the seamless pipe redundancy backup 203 that PLC 7 and collection control main frame 5 control between two kinds of patterns can be realized, thus realize reducing steel billet scaling loss, reduce the object of ton steel consumption gas and oxynitride and carbon dioxide discharge-reduction;
High temperature detection assembly (see photo) high temperature detection assembly 2 of the present utility model is made up of the multiple furnace atmosphere sensing devices 101 by calculating setting, purging system 102 and atmosphere signal switching station 3 etc., is installed on every section of inner flue gas of the stove and flows to terminal position.By furnace atmosphere sensing device 101, air molecule is carried out quantitative counting, form electric signal by atmosphere signal switching station 3 and transfer to decline consume servosystem 4 in digital form and carry out data processing.By purging the gas transmission unit of furnace atmosphere sensing device 101, the fixing purge cycles of setting is 4-8 hour, the nitrogen utilizing process furnace to purge or pressurized air, solves carbon distribution and the dust blocking of sensing device 101 in stove;
The digital form electric signal received is responded by balancing control assembly 201 algorithm routine and the 202 pairs of image data process of multiple combustion model, steering order distribution by decline consume servosystem (see photo) of the present utility model fast, achieves the closed-loop control of system.Balancing control assembly 201 has self study and self-setting function, and can according to actual needs, and amendment is arranged;
The multiple combustion model of multiple combustion model (see photo) of the present utility model 202 is made up of traditional combustion model 204, combustion model to be rolled 205 and tapping combustion model 206.Traditional combustion model 204 is final after being added up by the combustion atmosphere quantitative analysis under various state of combustion foundation, after digitizing, embeds decline consume servosystem 4 inner.Set up model 205 to be rolled to be by the time to be rolled, technique heating cycle, re-establish the digital model of each section of temperature to be rolled and coefficient of excess air, reach the rationalization of production.Tapping combustion model 206 is by according to heating process, and during soaking zone tapping, oven door opening, inevitably exists cold wind and suck phenomenon, effectively reduce scaling loss.
Under the utility model is applicable to the severe situation such as serious superfluous in present steel industry production capacity, energy-saving and emission-reduction pressure is huge, take into full account the stability in suitability for industrialized production and safety issue, meeting under the heating cycle such as furnace temperature and time inside furnace prerequisite, by precisely regulating the instant of atmosphere in process furnace, realize reducing stove internal oxidition scaling loss and energy consumption, cost-saving, improve effects is realized to steel enterprise and is of great importance.
[accompanying drawing explanation]
Fig. 1 is the heater for rolling steel environmental protection and energy-saving system Structure and Process schematic diagram that the utility model provides;
Fig. 2 is high temperature detection assembly structure schematic diagram in the heater for rolling steel environmental protection and energy-saving system that provides of the utility model;
Fig. 3 is decline consume servo system structure schematic diagram in the heater for rolling steel environmental protection and energy-saving system that provides of the utility model;
In figure: 1, hardware system; 2, high temperature detection assembly; 3, atmosphere signal switching station; 4, decline consume servosystem; 5, collection control main frame; 6, HMI arranges module; 7, PLC; 8, self regulating valve door; 101, furnace atmosphere sensing device; 102, purging system; 201, balancing control assembly; 202, multiple combustion model; 203, redundancy backup; 204, traditional combustion model; 205, combustion model to be rolled; 206 tapping combustion models.
[embodiment]
The utility model heater for rolling steel environmental protection and energy-saving system (see photo), by 1, hardware system; 2, high temperature detection assembly; 3, atmosphere signal switching station; 4, decline consume servosystem; 5, collection control main frame; 6, HMI arranges module; 7, PLC; 8, self regulating valve door; 101, furnace atmosphere sensing device; 102, purging system; 201, balancing control assembly; 202, multiple combustion model; 203, redundancy backup; 204, traditional combustion model; 205, combustion model to be rolled; The compositions such as 206 tapping combustion models.
Heater for rolling steel environmental protection and energy-saving system, the hardware system 1 of mainboard is controlled by the best combustion band implanting process furnace, the furnace atmosphere real-time by high temperature detection assembly 2 detects, determine the coefficient of excess of combustion-supporting medium-air, by atmosphere signal switching station 3 by the algorithm software of decline consume servosystem 4 temperature, oxygen gesture, carbon potential and all kinds of combustion model, realize the accurate linkage reaction of air and fuel.HMI arranges module 6 and inputs, and collection control main frame 5, by self regulating valve door 8 aperture, reaches in-furnace temperature constant, the state of atmosphere the best.Collection control main frame 5 and PLC 7 not shared signal, the seamless pipe redundancy backup 203 that PLC 7 and collection control main frame 5 control between two kinds of patterns can be realized, thus realize reducing steel billet scaling loss, reduce the object (see photo) of ton steel consumption gas and oxynitride and carbon dioxide discharge-reduction.
High temperature detection assembly high temperature detection assembly 2 of the present utility model is made up of the multiple furnace atmosphere sensing devices 101 by calculating setting, purging system 102 and atmosphere signal switching station 3 etc., is installed on every section of inner flue gas of the stove and flows to terminal position.By furnace atmosphere sensing device 101, air molecule is carried out quantitative counting, form electric signal by atmosphere signal switching station 3 and transfer to decline consume servosystem 4 in digital form and carry out data processing.By purging the gas transmission unit of furnace atmosphere sensing device 101, the fixing purge cycles of setting is 4-8 hour, the nitrogen utilizing process furnace to purge or pressurized air, solves carbon distribution and the dust blocking (see photo) of sensing device 101 in stove;
The digital form electric signal received is responded by balancing control assembly 201 algorithm routine and the 202 pairs of image data process of multiple combustion model, steering order distribution by decline consume servosystem of the present utility model fast, achieves the closed-loop control of system.Balancing control assembly 201 has self study and self-setting function, and can according to actual needs, and amendment arranges (see photo);
The multiple combustion model of multiple combustion model of the present utility model 202 is made up of traditional combustion model 204, combustion model to be rolled 205 and tapping combustion model 206.Traditional combustion model 204 is final after being added up by the combustion atmosphere quantitative analysis under various state of combustion foundation, after digitizing, embeds decline consume servosystem 4 inner.Set up model 205 to be rolled to be by the time to be rolled, technique heating cycle, re-establish the digital model of each section of temperature to be rolled and coefficient of excess air, reach the rationalization of production.Tapping combustion model 206 is by according to heating process, and during soaking zone tapping, oven door opening, inevitably exists cold wind and suck phenomenon, effectively reduce scaling loss (see photo).
Claims (4)
1. heater for rolling steel environmental protection and energy-saving system, it is characterized in that, comprise: the hardware system 1 being controlled mainboard by the best combustion band implanting process furnace, the furnace atmosphere real-time by high temperature detection assembly 2 detects, determine the coefficient of excess of combustion-supporting medium-air, by atmosphere signal switching station 3 by the algorithm software of decline consume servosystem 4 temperature, oxygen gesture, carbon potential and all kinds of combustion model, realize the accurate linkage reaction of air and fuel; HMI arranges module 6 and inputs, and collection control main frame 5, by self regulating valve door 8 aperture, reaches in-furnace temperature constant, the state of atmosphere the best; Collection control main frame 5 and PLC 7 not shared signal, the seamless pipe redundancy backup 203 that PLC 7 and collection control main frame 5 control between two kinds of patterns can be realized, thus realize reducing steel billet scaling loss, reduce the object of ton steel consumption gas and oxynitride and carbon dioxide discharge-reduction.
2. heater for rolling steel environmental protection and energy-saving system as claimed in claim 1, it is characterized in that: high temperature detection assembly 2 is made up of the multiple furnace atmosphere sensing devices 101 by calculating setting, purging system 102 and atmosphere signal switching station 3 etc., is installed on every section of inner flue gas of the stove and flows to terminal position; By furnace atmosphere sensing device 101, air molecule is carried out quantitative counting, form electric signal by atmosphere signal switching station 3 and transfer to decline consume servosystem 4 in digital form and carry out data processing; By purging the gas transmission unit of furnace atmosphere sensing device 101, the fixing purge cycles of setting is 4-8 hour, the nitrogen utilizing process furnace to purge or pressurized air, solves carbon distribution and the dust blocking of sensing device 101 in stove.
3. heater for rolling steel environmental protection and energy-saving system as claimed in claim 1, it is characterized in that: the digital form electric signal received is responded fast by balancing control assembly 201 algorithm routine and the 202 pairs of image data process of multiple combustion model, steering order distribution, achieves the closed-loop control of system; Balancing control assembly 201 has self study and self-setting function, and can according to actual needs, and amendment is arranged.
4. heater for rolling steel environmental protection and energy-saving system as claimed in claim 3, is characterized in that: multiple combustion model 202 is made up of traditional combustion model 204, combustion model to be rolled 205 and tapping combustion model 206; Traditional combustion model 204 is final after being added up by the combustion atmosphere quantitative analysis under various state of combustion foundation, after digitizing, embeds decline consume servosystem 4 inner; Set up model 205 to be rolled to be by the time to be rolled, technique heating cycle, re-establish the digital model of each section of temperature to be rolled and coefficient of excess air, reach the rationalization of production; Tapping combustion model 206 is by according to heating process, and during soaking zone tapping, oven door opening, inevitably exists cold wind and suck phenomenon, effectively reduce scaling loss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520669586.0U CN205046168U (en) | 2015-09-01 | 2015-09-01 | Steel rolling heating furnace environmental protection economizer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520669586.0U CN205046168U (en) | 2015-09-01 | 2015-09-01 | Steel rolling heating furnace environmental protection economizer system |
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| Publication Number | Publication Date |
|---|---|
| CN205046168U true CN205046168U (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520669586.0U Expired - Fee Related CN205046168U (en) | 2015-09-01 | 2015-09-01 | Steel rolling heating furnace environmental protection economizer system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110283977A (en) * | 2019-06-21 | 2019-09-27 | 湖北金阳石新型耐磨材料科技有限公司 | A kind of mitigation oxidation and heat-treatment furnace and application method with oxide skin clearing function |
-
2015
- 2015-09-01 CN CN201520669586.0U patent/CN205046168U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110283977A (en) * | 2019-06-21 | 2019-09-27 | 湖北金阳石新型耐磨材料科技有限公司 | A kind of mitigation oxidation and heat-treatment furnace and application method with oxide skin clearing function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20160901 |
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| CF01 | Termination of patent right due to non-payment of annual fee |