CN204874670U - Continuous annealing furnace cooling chamber that uprises - Google Patents
Continuous annealing furnace cooling chamber that uprises Download PDFInfo
- Publication number
- CN204874670U CN204874670U CN201520439298.6U CN201520439298U CN204874670U CN 204874670 U CN204874670 U CN 204874670U CN 201520439298 U CN201520439298 U CN 201520439298U CN 204874670 U CN204874670 U CN 204874670U
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- China
- Prior art keywords
- conveying roller
- annealing furnace
- cooling room
- continuous annealing
- cold gas
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Abstract
The utility model relates to a roller -Hearth continuous annealing furnace field especially relates to an annealing stove cooling chamber. A continuous annealing furnace cooling chamber that uprises, air water heat exchanger and circulating fan establish ties on circulation pipeline, cooling gas blowout head is for setting up the box under the conveying roller, the jet -propelled groove with conveying roller axial syntropy is seted up to the box top surface, and the box top surface is parallel with the transport face that the conveying roller constitutes, use the export of cooling gas therefrom to dwindle gradually the mind -set both sides with the perpendicular distance who carries the face as center, this internal top of cooling chamber. The utility model discloses the regional interval with the conveying roller that continuous annealing furnace cooling chamber that uprises is close to the export of cooling gas more is big more, can guarantee that the top surface evenly cools off to the horizontal temperature homogeneity of belted steel is guaranteed in jet -propelled groove through the gradual change width, has reduced the internal stress of belted steel, has reduced the cutting deformation, has ensured follow -up product processingquality when applied.
Description
Technical field
The utility model relates to roller-hearth continuous annealing furnace field, particularly relates to a kind of annealing furnace cooling room.
Background technology
Roller-hearth continuous annealing furnace is feeding skid-> feed chamber-> annealing furnace body-> cooling room-> unloading skid according to slab trend in turn; Slab/band steel enters cooling room after having annealed in annealing furnace body and cools fast, cools after complete slab/band steel is transported and cools next batch slab sweeping after cooling room meets processing requirement with protection air-blowing.The existing type of cooling is through an air to water heat exchanger after shielding gas is pumped out from the outlet of protection gas by recirculation blower in cooling room, enter in cooling room from the protection gas entrance at several positions of furnace roof, furnace side or furnace bottom again after protecting gas to be cooled directly with water in air to water heat exchanger, make the slab on furnace roller in shielding gas, be subject to quick cooling; The existing this type of cooling protects gas entrance to be arranged on what position all cannot ensure upper and lower surface and cooling uniformity transversely, the even stress distribution that will have influence on its inside of slab/band steel inhomogeneous cooling, like this when the later stage uses slab/band steel cutting cutting, even slab/band the steel of this inhomogeneous cooling is easy to occur distortion, have impact on quality product; And for large-scale cooling room, be arranged on the protection gas entrance of furnace roof and protection gas export between directly can occur that protection is breathed hard and circulate, the protection aerial root in this interval this cool with regard to not participating in, therefore cooling efficiency is very low, have impact on production efficiency.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of continuous annealing furnace cooling room uprised, this cooling room is larger the closer to the spacing of the region that cold gas exports and conveying roller, and ensure band steel transverse temperature homogeneity at the jet groove by gradual change width, reduce the internal stress of band steel, reduce cutting deformation, ensure that product processing quality during subsequent applications.
The utility model is achieved in that a kind of continuous annealing furnace cooling room uprised, comprise cooling room body, conveying roller, air to water heat exchanger, recirculation blower and cold gas shower nozzle, described conveying roller level is arranged in cooling room body in turn, the top of described cooling room body offers cold gas outlet, described cold gas outlet is connected by circulation line with between cold gas shower nozzle, described air to water heat exchanger and recirculation blower are connected on circulation line, described cold gas shower nozzle is the casing be arranged on immediately below conveying roller, described box top offers the axial jet groove in the same way with conveying roller, box top is parallel with the conveyor surface that conveying roller is formed, centered by cold gas outlet, the vertical range of cooling room body inner top and conveyor surface reduces from center gradually to both sides.
With the direction of cooling draught for positive dirction, described air to water heat exchanger is positioned at the upstream of recirculation blower.
With the direction of cooling draught for positive dirction, described recirculation blower is positioned at the upstream of air to water heat exchanger.
Described cold gas shower nozzle equidistantly offers several inlet mouths along the throughput direction of conveying roller, and each inlet mouth is communicated with an independently inlet pipe, is communicated with after the inlet pipe parallel connection described in several with circulation line.
The width of described jet groove diminishes from center gradually to both sides.
The continuous annealing furnace cooling room that the utility model uprises is larger the closer to the spacing of the region that cold gas exports and conveying roller, end face Homogeneous cooling can be ensured, and ensure band steel transverse temperature homogeneity at the jet groove by gradual change width, reduce the internal stress of band steel, reduce cutting deformation, ensure that product processing quality during subsequent applications.
Accompanying drawing explanation
Fig. 1 is the structural representation of the continuous annealing furnace cooling room uprised in the utility model;
Fig. 2 is the schematic top plan view of cold gas shower nozzle in the utility model.
In figure: 1 cooling room body, 2 conveying rollers, 3 air to water heat exchangers, 4 recirculation blowers, 5 cold gas shower nozzles, 6 cold gas outlets, 7 circulation lines, 8 jet grooves.
Embodiment
Below in conjunction with specific embodiment, set forth the utility model further.Should be understood that these embodiments are only not used in restriction scope of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the utility model statement.
Embodiment 1
As shown in Figure 1, a kind of continuous annealing furnace cooling room uprised, comprise cooling room body 1, conveying roller 2, air to water heat exchanger 3, recirculation blower 4 and cold gas shower nozzle 5, described conveying roller 2 level is arranged in cooling room body 1 in turn, the top of described cooling room body 1 offers cold gas outlet 6, described cold gas outlet 6 is connected by circulation line 7 with between cold gas shower nozzle 5, described air to water heat exchanger 3 and recirculation blower 4 are connected on circulation line 7, described cold gas shower nozzle 5 is for being arranged on the casing immediately below conveying roller 2, described box top offers the axial jet groove 8 in the same way with conveying roller 2, box top is parallel with the conveyor surface that conveying roller 2 is formed, centered by cold gas outlet 6, the vertical range of cooling room body 1 inner top and conveyor surface reduces from center gradually to both sides, the regional gas stream a larger increase of having a contest from cold gas outlet 6 is like this crossed and is stayed area to reduce cooling performance, makes the cooling power Region homogenization on whole.
With the direction of cooling draught for positive dirction, in the present embodiment, consider the work-ing life of recirculation blower 4, recirculation blower 4 is avoided to touch high temperature gas flow, usually air to water heat exchanger 3 is arranged on the upstream of recirculation blower 4 when arranging, what such recirculation blower 4 contacted is all cooled gas, to guarantee the job stability of recirculation blower 4; But also not getting rid of, in order to ensure cycle efficiency, recirculation blower 4 being arranged on the upstream of air to water heat exchanger 3.
In addition in the utility model, because in cooling room, the conveyor surface that all conveying rollers 2 are formed is very long, single inlet mouth is difficult to the balanced air inlet requirement meeting cold gas shower nozzle 5 regional, therefore in the present embodiment, described cold gas shower nozzle 5 equidistantly offers several inlet mouths along the throughput direction of conveying roller 2, and each inlet mouth is communicated with an independently inlet pipe, is communicated with after the inlet pipe parallel connection described in several with circulation line 7.
It should be noted that, in the process that slab/band steel runs on conveying roller 2, usual core temperature higher than both sides temperature, therefore in order to improve slab/band steel temperature homogeneity in the direction of the width further, as shown in Figure 2, the width of described jet groove 8 diminishes from center gradually to both sides.
Claims (5)
1. the continuous annealing furnace cooling room uprised, comprise cooling room body (1), conveying roller (2), air to water heat exchanger (3), recirculation blower (4) and cold gas shower nozzle (5), described conveying roller (2) level is arranged in cooling room body (1) in turn, the top of described cooling room body (1) offers cold gas outlet (6), described cold gas outlet (6) is connected by circulation line (7) with between cold gas shower nozzle (5), described air to water heat exchanger (3) and recirculation blower (4) are connected on circulation line (7), it is characterized in that: described cold gas shower nozzle (5) is for being arranged on the casing immediately below conveying roller (2), described box top offers the axial jet groove (8) in the same way with conveying roller (2), box top is parallel with the conveyor surface that conveying roller (2) is formed, centered by cold gas outlet (6), the vertical range of cooling room body (1) inner top and conveyor surface reduces from center gradually to both sides.
2. the continuous annealing furnace cooling room uprised as claimed in claim 1, is characterized in that: with the direction of cooling draught for positive dirction, and described air to water heat exchanger (3) is positioned at the upstream of recirculation blower (4).
3. the continuous annealing furnace cooling room uprised as claimed in claim 1, is characterized in that: with the direction of cooling draught for positive dirction, and described recirculation blower (4) is positioned at the upstream of air to water heat exchanger (3).
4. the continuous annealing furnace cooling room uprised as described in a claim any in claims 1 to 3, it is characterized in that: described cold gas shower nozzle (5) equidistantly offers several inlet mouths along the throughput direction of conveying roller (2), each inlet mouth is communicated with an independently inlet pipe, is communicated with after the inlet pipe parallel connection described in several with circulation line (7).
5. the continuous annealing furnace cooling room uprised as claimed in claim 4, is characterized in that: the width of described jet groove (8) diminishes from center gradually to both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520439298.6U CN204874670U (en) | 2015-06-18 | 2015-06-18 | Continuous annealing furnace cooling chamber that uprises |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520439298.6U CN204874670U (en) | 2015-06-18 | 2015-06-18 | Continuous annealing furnace cooling chamber that uprises |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204874670U true CN204874670U (en) | 2015-12-16 |
Family
ID=54819066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520439298.6U Expired - Fee Related CN204874670U (en) | 2015-06-18 | 2015-06-18 | Continuous annealing furnace cooling chamber that uprises |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204874670U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106521135A (en) * | 2016-12-27 | 2017-03-22 | 江苏苏丰机械科技有限公司 | Copper wire disc heat preservation annealing furnace |
-
2015
- 2015-06-18 CN CN201520439298.6U patent/CN204874670U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106521135A (en) * | 2016-12-27 | 2017-03-22 | 江苏苏丰机械科技有限公司 | Copper wire disc heat preservation annealing furnace |
| CN106521135B (en) * | 2016-12-27 | 2018-09-11 | 江苏苏丰机械科技有限公司 | Copper wire disk temperature insulation annealing furnace |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20160618 |