CN205774709U - Silicon strip steel heat treatment stove controls cooling section hot blast chiller - Google Patents
Silicon strip steel heat treatment stove controls cooling section hot blast chiller Download PDFInfo
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- CN205774709U CN205774709U CN201620509944.6U CN201620509944U CN205774709U CN 205774709 U CN205774709 U CN 205774709U CN 201620509944 U CN201620509944 U CN 201620509944U CN 205774709 U CN205774709 U CN 205774709U
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Abstract
This utility model relates to a kind of silicon strip steel heat treatment stove and controls cooling section hot blast chiller, the import department of circulating cooling blower fan connects cold blast rate respectively and is automatically adjusted valve outlet and the outlet of hot blast automatic switchover valve, and the outlet of circulating cooling blower fan connects the import of cooling duct；The hot-blast outlet of cooling duct connects hot blast rate respectively and is automatically adjusted import and the hot blast automatic switchover valve import of valve；Temperature detecting module is located on the mixing duct after cold blast rate is automatically adjusted valve outlet and the outlet parallel connection of hot blast automatic switchover valve, and is positioned at the import department of circulating cooling blower fan；Hot blast rate is automatically adjusted valve, cold blast rate is automatically adjusted valve and the control mouth of hot blast automatic switchover valve is connected respectively to automatic control system, and furnace temperature temperature measuring equipment and temperature detecting module are connected with automatic control system respectively.This utility model had both met Technology for Heating Processing needs, has saved again power consumption, and has decreased the spot check maintenance workload of electric heater unit and corollary equipment thereof.
Description
Technical field
This utility model relates to a kind of silicon strip steel heat treatment stove field, specifically silicon strip steel heat treatment stove and controls cooling section hot blast chiller.
Background technology
Silicon steel cold-strip steel heat-treatment furnace section is the important component part that silicon steel produces line, and its Technology for Heating Processing and accuracy of temperature control etc. directly determine the electromagnetic performance of silicon steel (orientation or No yield point), the biggest on silicon steel material impact itself.At the heat of silicon steel APL unit, DCL unit and FCL unit, stove section is due to technique needs, it is provided with control refrigerating function section, major function is that according to the cooldown rate of technological requirement, high temperature belt steel temperature is reduced to technological requirement temperature, APL unit is typically based on technological requirement and is cooled to about 900 DEG C from about 1100 DEG C, DCL and FCL unit is typically based on technological requirement and is cooled to about 600 DEG C from about 860 DEG C.The cooling of strip steel is cooled down by the branched cooling tube arranged in stove, and cooling tube uses air as cooling medium, and normal temperature air is discharged after being taken out of in stove by heat when flowing through cooling tube.Changing according to annealing furnace production history and strip steel specification, cooling air quantity carries out cooling air quantity regulation according to the deviation of burner hearth design temperature and measured temperature by automatic regulating valve, thus in realizing stove, strip steel is down to the temperature needed according to technological requirement cooldown rate.
Owing to the change of strip steel specification (belt steel thickness change) can directly result in the large change of stove heat treatment capacity, especially occur when paper-thin strip produces, can cause control cooling section regulation air quantity to be automatically adjusted valve opening the least, it is impossible to the most accurately control cooldown rate and cause strip steel heat treatment performance and template to be affected.For avoiding strip steel cooling under this kind of extreme running on the lower load out of control, common practices be control to arrange in cooling section stove some electric heater units (resistor or electric heating tube etc.) to burner hearth in carry out the mode of concurrent heating, be equivalent to indirectly improve cooling capacity required under extreme running on the lower load, thus the cooling problem out of control avoided cooling system to be operated in extreme underload and cause, it is ensured that the accurate temperature controlling of strip steel cooling under this operating mode.
Above by arranging electric heater unit in burner hearth to carrying out concurrent heating in burner hearth, thus the cooling problem out of control avoided cooling system to be operated in extreme underload and cause, the most feasible, but supporting add the relevant equipment such as electric heater unit and control equipment, not only equipment one-time investment increases, and can additionally increase power consumption during electric heater unit work.
Summary of the invention
This utility model is intended to overcome the defect of prior art, it is provided that a kind of silicon strip steel heat treatment stove controls cooling section hot blast chiller, reduces energy consumption, reduces investment outlay.
In order to solve above-mentioned technical problem, this utility model is achieved in that
A kind of silicon strip steel heat treatment stove controls cooling section hot blast chiller, it is characterised in that: it includes that annealing furnace controls cooling section body of heater, silicon steel strip steel, cooling duct, circulating cooling blower fan, automatic control system, furnace temperature temperature measuring equipment, hot blast rate is automatically adjusted valve, cold blast rate is automatically adjusted valve, hot blast automatic switchover valve and temperature-detecting device；
Silicon steel strip steel and furnace temperature temperature measuring equipment are positioned at annealing furnace and control cooling section body of heater, and cooling duct top is located at annealing furnace and is controlled in cooling section body of heater；
The import department of circulating cooling blower fan connects cold blast rate respectively and is automatically adjusted valve outlet and the outlet of hot blast automatic switchover valve, and the outlet of circulating cooling blower fan connects the import of cooling duct；
The hot-blast outlet of cooling duct connects hot blast rate respectively and is automatically adjusted import and the hot blast automatic switchover valve import of valve；
Hot blast rate is automatically adjusted the outlet of valve and discharges hot blast, and cold blast rate is automatically adjusted the import of valve and sucks cold wind；
Temperature detecting module is located on the mixing duct after cold blast rate is automatically adjusted valve outlet and the outlet parallel connection of hot blast automatic switchover valve, and is positioned at the import department of circulating cooling blower fan；
Hot blast rate is automatically adjusted valve, cold blast rate is automatically adjusted valve and the control mouth of hot blast automatic switchover valve is connected respectively to automatic control system, and furnace temperature temperature measuring equipment and temperature detecting module are connected with automatic control system respectively.
The beneficial effects of the utility model are: the intensity of cooling improved under above-mentioned extreme running on the lower load by the normal temperature air medium that control cooling section is used changes into having the hot blast of uniform temperature is difficult to control to problem, thus ensure that under extreme running on the lower load, the temperature of strip steel cooling controls, but need not the additional electrical energy consumption of electric heater unit, so both having met Technology for Heating Processing needs, save again power consumption, and decrease the spot check maintenance workload of electric heater unit and corollary equipment thereof.
Accompanying drawing explanation
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings:
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
As shown in Figure 1: a kind of silicon strip steel heat treatment stove controls cooling section hot blast chiller, it includes that annealing furnace controls cooling section body of heater 1, silicon steel strip steel 2, cooling duct 3, circulating cooling blower fan 4, automatic control system 5, furnace temperature temperature measuring equipment 6, hot blast rate is automatically adjusted valve 7, cold blast rate is automatically adjusted valve 8, hot blast automatic switchover valve 9 and temperature-detecting device 10；
Silicon steel strip steel and furnace temperature temperature measuring equipment are positioned at annealing furnace and control cooling section body of heater, and cooling duct top is located at annealing furnace and is controlled in cooling section body of heater；
The import department of circulating cooling blower fan connects cold blast rate respectively and is automatically adjusted valve outlet and the outlet of hot blast automatic switchover valve, and the outlet of circulating cooling blower fan connects the import of cooling duct；
The hot-blast outlet of cooling duct connects hot blast rate respectively and is automatically adjusted import and the hot blast automatic switchover valve import of valve；
Hot blast rate is automatically adjusted the outlet of valve and discharges hot blast, and cold blast rate is automatically adjusted the import of valve and sucks cold wind；
Temperature detecting module is located on the mixing duct after cold blast rate is automatically adjusted valve outlet and the outlet parallel connection of hot blast automatic switchover valve, and is positioned at the import department of circulating cooling blower fan；
Hot blast rate is automatically adjusted valve, cold blast rate is automatically adjusted valve and the control mouth of hot blast automatic switchover valve is connected respectively to automatic control system, and furnace temperature temperature measuring equipment and temperature detecting module are connected with automatic control system respectively.
Silicon strip steel heat treatment stove controls cooling section cooling duct and is generally divided into some independent control sections, and each control section is relation in parallel, and the control principle of each control section is identical with executive mode.Detailed description of the invention is described herein as a example by a cooling duct is an independent control section.
Annealing furnace is disposed with cooling duct 3 and furnace temperature detection device 6 in controlling cooling section body of heater 1, when silicon steel strip steel 2 is by controlling cooling section, cooled down it by cooling duct 3.
This cooling system has a following two kinds refrigerating mode:
1, cold front heavy rain
When silicon steel strip steel specification is relatively big, now under the bigger operating mode of stove heat treatment capacity, cold wind be can be used directly and carry out strip steel cooling down control.Detailed description of the invention is as follows:
Circulating cooling blower fan 4 is automatically adjusted valve 8 by the cold blast rate of suction inlet and is automatically adjusted wind supply quantity to cooling duct 3, hot blast after heat exchange is discharged by the outlet of cooling duct 3, under this pattern, hot blast rate is automatically adjusted valve 7 and is shown in a fully open operation, and hot blast automatic switchover valve 9 is closed.Cold blast rate is automatically adjusted the detected value and the default value deviation that control to be detected device 6 by furnace temperature of valve 8, carries out automated closed-loop control and regulation by the PLC computing of automatic control system 5.
2, hot blast cooling
When the extreme running on the lower load that silicon steel strip steel specification is little occurs, above-mentioned cold front heavy rain cannot meet temperature control requirement, and partial discharge hot blast is drawn back to blend with cold wind and cooled down for hot blast mode by employing, and detailed description of the invention is as follows:
Circulating cooling blower fan 4 supplies cooling duct 3 respectively after two-way suction cold wind and hot blast mix, under this pattern, hot blast rate is automatically adjusted valve 7 and is in unlatching adjustment state, hot blast switching automatic valve 9 is in opening, after the cold wind sucked from two-way and hot blast mixing, hot blast temperature is fed back by the temperature detecting module 10 being arranged on mixing duct, by detection temperature and design temperature deviation, after the PLC computing of automatic control system 5, hot blast rate is automatically adjusted valve 7 and automatically adjusts to mate hot blast suction volume.Cold wind suction volume is still by detected value and the default value deviation of furnace temperature detection device 6, and the PLC computing through automatic control system 5 carries out automated closed-loop control and regulation.
Claims (1)
1. a silicon strip steel heat treatment stove controls cooling section hot blast chiller, it is characterised in that: it includes that annealing furnace controls cooling section body of heater, silicon steel strip steel, cooling duct, circulating cooling blower fan, automatic control system, furnace temperature temperature measuring equipment, hot blast rate is automatically adjusted valve, cold blast rate is automatically adjusted valve, hot blast automatic switchover valve and temperature-detecting device；
Silicon steel strip steel and furnace temperature temperature measuring equipment are positioned at annealing furnace and control cooling section body of heater, and cooling duct top is located at annealing furnace and is controlled in cooling section body of heater；
The import department of circulating cooling blower fan connects cold blast rate respectively and is automatically adjusted valve outlet and the outlet of hot blast automatic switchover valve, and the outlet of circulating cooling blower fan connects the import of cooling duct；
The hot-blast outlet of cooling duct connects hot blast rate respectively and is automatically adjusted import and the hot blast automatic switchover valve import of valve；
Hot blast rate is automatically adjusted the outlet of valve and discharges hot blast, and cold blast rate is automatically adjusted the import of valve and sucks cold wind；
Temperature detecting module is located on the mixing duct after cold blast rate is automatically adjusted valve outlet and the outlet parallel connection of hot blast automatic switchover valve, and is positioned at the import department of circulating cooling blower fan；
Hot blast rate is automatically adjusted valve, cold blast rate is automatically adjusted valve and the control mouth of hot blast automatic switchover valve is connected respectively to automatic control system, and furnace temperature temperature measuring equipment and temperature detecting module are connected with automatic control system respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620509944.6U CN205774709U (en) | 2016-05-31 | 2016-05-31 | Silicon strip steel heat treatment stove controls cooling section hot blast chiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620509944.6U CN205774709U (en) | 2016-05-31 | 2016-05-31 | Silicon strip steel heat treatment stove controls cooling section hot blast chiller |
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| Publication Number | Publication Date |
|---|---|
| CN205774709U true CN205774709U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620509944.6U Active CN205774709U (en) | 2016-05-31 | 2016-05-31 | Silicon strip steel heat treatment stove controls cooling section hot blast chiller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107447099A (en) * | 2016-05-31 | 2017-12-08 | 宝钢工业炉工程技术有限公司 | Silicon strip steel heat treatment stove controls cooling section hot blast cooling device |
-
2016
- 2016-05-31 CN CN201620509944.6U patent/CN205774709U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107447099A (en) * | 2016-05-31 | 2017-12-08 | 宝钢工业炉工程技术有限公司 | Silicon strip steel heat treatment stove controls cooling section hot blast cooling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171127 Address after: 201999 Shanghai city Baoshan District Tieli Road No. 2510 room 416 Patentee after: Baosteel Engeneering &Technology Group Co., Ltd. Address before: 201900 room 503-C, room 1, building 1508, Mudanjiang Road, Shanghai, Baoshan District, 5 Patentee before: Baosteel Industrial Furnace Engineering Technology Co., Ltd. |
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| TR01 | Transfer of patent right |