CN202107744U - Annealing furnace band steel cooling device - Google Patents
Annealing furnace band steel cooling device Download PDFInfo
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- CN202107744U CN202107744U CN2011201672582U CN201120167258U CN202107744U CN 202107744 U CN202107744 U CN 202107744U CN 2011201672582 U CN2011201672582 U CN 2011201672582U CN 201120167258 U CN201120167258 U CN 201120167258U CN 202107744 U CN202107744 U CN 202107744U
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- cooling tube
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Abstract
The utility model discloses an annealing furnace band steel cooling device, which is used for carrying out cooling treatment on band steel after being subjected to annealing treatment. The annealing furnace band steel cooling device comprises two groups of cooling pipes, wherein the two groups of cooling pipes are arranged at both sides of the upper surface and the lower surface of the band steel, each group of cooling pipes comprises a plurality of edge cooling pipes and a plurality of middle cooling pipes, in addition, each edge cooling pipe is provided with an automatic regulating valve, the automatic regulating valve is connected with a pressure detecting feedback control device, the pressure detecting feedback control device comprises a pressure detector and a controller, and each middle cooling pipe is provided with a manual regulating valve. The annealing furnace band steel cooling device has the advantages that the temperature in different regions on the surface of the band steel is slowly reduced according to band steel in different models and surface conditions, and in addition, the feedback control can be realized in the cooling treatment process, so the optimum control on the band steel edge cooling can be realized.
Description
Technical field
The utility model relates to band steel cooling apparatus, specifically, is a kind of being used for the band steel after the anneal to be carried out refrigerative annealing furnace zone steel refrigerating unit.
Background technology
Produce for electrical steel product, lehre is one of final performance most important equipment of decision product, through being with the steel heating, being cooled to assigned temperature, the performance that obtains to require.Silicon steel product is according to performance requriements, and the annealing temperature of band steel is higher usually, after annealing finishes; Need will be with steel to cool down through certain means; If its speed of cooling is inhomogeneous, slow excessively, too fast or laterally inequality, then can cause being with steel magnetic property and plate shape deterioration.Therefore, the plate shape and the magnetic property of the type of cooling of band steel and the finished product are closely related.
The most frequently used method of cooling of lehre cooling section is to use cooling gas or water coolant to be directly injected to belt steel surface at present; Be arranged on the bellows of steel band both sides in the cooling room like the using gas shower cooling; Blow cooling gas so that its cooling through nozzle to steel band, yet this method of cooling is because speed of cooling is too fast; If be used in the cooling of silicon steel strap steel, cause silicon steel magnetic property and plate shape deterioration easily.Another kind of method of cooling is the cooling tube cooling, in U type radiation cooled tube opening end one side that is used in continuous strip annealing furnace cooling air is set and feeds mouthful, at opposite side gas discharge outlet is set, and takes away heat and reaches the purpose of cooling zone steel through cooling air.But this kind method can't realize the requirement to strip edge portion independent control owing to do not consider the difference of band steel middle part and limit portion.Particularly, in the processing of continuous annealing furnace, typically use radiator tube heating zone steel; The characteristic of radiator tube causes the belt steel temperature skewness; Simultaneously, in process of cooling, because band steel specification that the difference of the heat radiation at strip edge portion and middle part or front and back link to each other and state is different; In process of cooling, often need and separately to consider separately with the limit portion and the middle part of steel, otherwise can't satisfy the uniform distribution of belt steel surface temperature along horizontal and vertical direction.
Therefore, need a kind of novel annealing furnace zone steel refrigerating unit, can processing under cooling controlledly being carried out at band steel middle part and limit portion.
The utility model content
The purpose of the utility model is to overcome the above-mentioned defective of existing annealing furnace zone steel cooling way, thereby a kind of novel annealing furnace zone steel refrigerating unit is provided.
The annealing furnace zone steel refrigerating unit of the utility model comprises two groups of cooling tubes that are arranged at band steel upper and lower surfaces both sides, and wherein every group of cooling tube comprises a plurality of limits portion's cooling tube and a plurality of middle parts cooling tube, and:
Said limit portion cooling tube is provided with the automatic regulating valve door, and said automatic regulating valve door is connected with the pressure detection feed back control system, and said pressure detection feed back control system comprises pressure detector and unit;
Said middle part cooling tube is provided with the manual regulation valve.
Preferably, each in the said cooling tube includes inner layer sleeve and outer layer sleeve.
Preferably, said every group of cooling tube comprises two limit portion cooling tube and three middle part cooling tubes that are arranged at two limit portions of band steel respectively.
The annealing furnace zone steel refrigerating unit of the utility model; Can be according to the band steel and the surface appearance of different model; Temperature to the belt steel surface different zones is slowly cooled off, and can carry out feedback control to the processing under cooling process, therefore can realize the refrigerative optimal control to strip edge portion.
Description of drawings
Fig. 1 is the front view that includes the lehre equipment of the utility model;
Fig. 2 is for including the vertical view of the lehre equipment of the utility model among Fig. 1;
Fig. 3 is the control flow synoptic diagram of the annealing furnace zone steel refrigerating unit of the utility model;
Fig. 4 is the feedback control system synoptic diagram of feed back control system in the utility model.
Embodiment
Following according to accompanying drawing and embodiment, the structure and the principle of work of the annealing furnace zone steel refrigerating unit of the utility model is elaborated.
As shown in Figure 1, be the synoptic diagram of lehre equipment that includes the annealing furnace zone steel refrigerating unit 100 of the utility model.Lehre equipment comprises body of heater 10, is provided with heat-stable material 20 in the body of heater, and stove rod 30 is used for conveying belt steel 40.The annealing furnace zone steel refrigerating unit 100 of the utility model comprises the two groups of cooling tubes 110,120 that are arranged at band steel 40 upper and lower surfaces both sides, and every group of cooling tube 110,120 comprises a plurality of limits portion's cooling tube and a plurality of middle parts cooling tube.In conjunction with Fig. 2, be the synoptic diagram of the cooling battery 110 above band steel 40 upper surfaces, in this embodiment, cooling battery 110 comprises two 112,114 and three middle parts of limit portion cooling tube cooling tubes 116 that are arranged at 40 two limit portions of band steel respectively.Further; In conjunction with Fig. 3; Limit portion cooling tube 112,114 is provided with automatic regulating valve door 113,115, and automatic regulating valve door 113,115 is connected with the pressure detection feed back control system, and this pressure detection feed back control system comprises pressure detector 130 and unit 140.A plurality of middle parts cooling tube 116 is provided with the manual regulation valve.In Fig. 2, the embodiment shown in 3, four limit portion cooling tubes respectively are equipped with a cover pressure feedback gear.Understand easily, limit portion cooling tube and middle part cooling tube also can be other suitable quantity, for example, are with two limit portions of steel to be provided with 2 cooling tubes respectively, and the middle part is provided with the cooling tube more than 3, for example 5 cooling tubes etc.
Each cooling tube in the cooling tube in this device includes inner layer sleeve and outer layer sleeve.With reference to figure 3, the cooling air that is produced by blower fan flows into from interior pipe, and flows out from outer tube, through the mode of heat exchange heat is taken away, and is reached band steel cooling purpose.
Be arranged at the cooling battery 120 of band steel 40 lower surfaces; Itself and cooling battery 110 are symmetrical set, and structure is identical, and promptly cooling battery 120 also comprises a plurality of limits portion's cooling tube and a plurality of middle parts cooling tube; Limit portion cooling tube is provided with the automatic regulating valve door; And the automatic regulating valve door is connected with the pressure detection feed back control system, and this pressure detection feed back control system comprises pressure detector and unit, and the middle part cooling tube is provided with the manual regulation valve.
Pressure detects feedback assembly automatically and has automatic regulatory function, and is as shown in Figure 3, is example with cooling battery 110; And the schema among combination Fig. 4, when this device was in running status, blower fan 50 was blown into cooling gas to each cooling duct; In step S100; Pressure detects the pressure detector 130 of feedback assembly through being connected with cooling tube automatically, detects the pressure of cooling tube 112,114 internal cooling gases immediately, and this force value is transferred to unit 140.In step 200; Unit is according to predefined pressure-controlling target value, and puts according to the true pressure that receives, and carries out voltage feedback control; Promptly voltage signal is adjusted; In step S300, this voltage signal is transferred to the motor that valve is regulated, regulate to carry out the motor action.In step S400, under the driving of motor, regulate the spigot baffle aperture of automatic regulating valve door 113,115, regulate to realize the pressure in the opposite side portion cooling tube 112,114, and final the realization dynamically controlled the process of cooling of band steel different piece.Then, process step is back to step S100, restarts feedback operation.The cooling gas flow of middle part cooling tube 116 can be controlled by manual regulated valve 117.
The necessity that opposite side portion cooling tube carries out feedback control is that in process of cooling, can there be difference in the specification or the limit portion state of band steel, and therefore under predefined master mode, the force value in the limit portion cooling tube possibly readjusted.In addition, other factors of incoming band steel such as the supplied materials degree of cleaning etc., can cause also being necessary that the gaseous tension in the cooling tube that acts on the band steel adjusts.
In sum, the annealing furnace zone steel refrigerating unit of the utility model can be realized the dynamic control to the strip edge portion of different size, different edge portion state.Comparing common lehre method of cooling has the following advantages:
1) cooling is slowly controlled, and what the utility model used is the temperature that cooling tube radiation refrigerative method is cooled off belt steel surface, and rate of cooling is slowly steady, and can be controlled by the gas flow regulating valve door, can access the band steel of better performances.
2) cooling evenly, the cooling tube that the utility model uses vertically distributes along the band steel side by side, and limit portion cooling tube can regulate according to the different size or the different edge portion state of band steel, can realize being with steel vertical and horizontal direction uniform distribution of temperature.
3) automatic feedback control; The utility model has adopted the device of automated closed-loop feedback control; Can realize the automatic control of cooling gas flow in the limit portion cooling tube according to the master mode of different plate shapes and different size band steel, and finally realize the refrigerative optimal control of strip edge portion.
Claims (3)
1. annealing furnace zone steel refrigerating unit; Be used for the band steel after anneal is carried out processing under cooling, it is characterized in that, this device comprises two groups of cooling tubes that are arranged at band steel upper and lower surfaces both sides; Wherein every group of cooling tube comprises a plurality of limits portion's cooling tube and a plurality of middle parts cooling tube, and:
Said limit portion cooling tube is provided with the automatic regulating valve door, and said automatic regulating valve door is connected with the pressure detection feed back control system, and said pressure detection feed back control system comprises pressure detector and unit;
Said middle part cooling tube is provided with the manual regulation valve.
2. annealing according to claim 1 furnace zone steel refrigerating unit is characterized in that each in the said cooling tube includes inner layer sleeve and outer layer sleeve.
3. annealing according to claim 1 and 2 furnace zone steel refrigerating unit is characterized in that, said every group of cooling tube comprises two limit portion cooling tube and three middle part cooling tubes of being arranged at two limit portions of band steel respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201672582U CN202107744U (en) | 2011-05-24 | 2011-05-24 | Annealing furnace band steel cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201672582U CN202107744U (en) | 2011-05-24 | 2011-05-24 | Annealing furnace band steel cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202107744U true CN202107744U (en) | 2012-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201672582U Expired - Fee Related CN202107744U (en) | 2011-05-24 | 2011-05-24 | Annealing furnace band steel cooling device |
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| Country | Link |
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| CN (1) | CN202107744U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104073620A (en) * | 2014-07-15 | 2014-10-01 | 中冶南方工程技术有限公司 | Control device and method for quick-cooling air doors of vertical continuous-annealing furnace |
| CN105219931A (en) * | 2015-10-24 | 2016-01-06 | 本钢不锈钢冷轧丹东有限责任公司 | A kind of Horizental annealer air cooling segment structure |
| CN108751683A (en) * | 2018-09-08 | 2018-11-06 | 临泉县蓝天钢化玻璃有限公司 | A kind of ultra-thin high strength glass cooling air grid |
| CN112129914A (en) * | 2019-06-24 | 2020-12-25 | 上海宝信软件股份有限公司 | Rapid cooling device of strip steel heat treatment process simulation experiment device and working method |
-
2011
- 2011-05-24 CN CN2011201672582U patent/CN202107744U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104073620A (en) * | 2014-07-15 | 2014-10-01 | 中冶南方工程技术有限公司 | Control device and method for quick-cooling air doors of vertical continuous-annealing furnace |
| CN105219931A (en) * | 2015-10-24 | 2016-01-06 | 本钢不锈钢冷轧丹东有限责任公司 | A kind of Horizental annealer air cooling segment structure |
| CN108751683A (en) * | 2018-09-08 | 2018-11-06 | 临泉县蓝天钢化玻璃有限公司 | A kind of ultra-thin high strength glass cooling air grid |
| CN112129914A (en) * | 2019-06-24 | 2020-12-25 | 上海宝信软件股份有限公司 | Rapid cooling device of strip steel heat treatment process simulation experiment device and working method |
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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: 20120111 Termination date: 20200524 |
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| CF01 | Termination of patent right due to non-payment of annual fee |