CN204898020U - Inner loop hangs down vertical annealing stove heating chamber of dew point - Google Patents
Inner loop hangs down vertical annealing stove heating chamber of dew point Download PDFInfo
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- CN204898020U CN204898020U CN201520488075.9U CN201520488075U CN204898020U CN 204898020 U CN204898020 U CN 204898020U CN 201520488075 U CN201520488075 U CN 201520488075U CN 204898020 U CN204898020 U CN 204898020U
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- dew point
- protective atmosphere
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- heating chamber
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Abstract
The utility model relates to an annealing stove field especially relates to an annealing stove heating chamber. An inner loop hangs down vertical annealing stove heating chamber of dew point, includes the furnace that stove outer covering and stove brick formed, a plurality of groups burning radiant tube has been arranged along the trend of steel band on the steel band two sides in the furnace, burning radiant tube level sets up and parallel with the steel band, the bottom both sides of stove outer covering are provided with belted steel entry and belted steel export respectively, still be provided with protective atmosphere entry and protective atmosphere export on the stove outer covering, the protective atmosphere export is through the outside circulation pipeline and protective atmosphere entry intercommunication of stove outer covering, the last series connection of circulation pipeline has circulating fan and gas dryer. The utility model discloses with the continuous loop filter of the atmosphere in the furnace dry, reduce the dew point, in furnace was sent back to by the protective atmosphere export again to loop filter's atmosphere, in the outer energy resource consumption of increase not with do not waste under the prerequisite of hydrogen, the effectual dew point that reduces protective atmosphere had improved the annealing quality.
Description
Technical field
The utility model relates to annealing furnace field, particularly relates to a kind of annealing furnace heating chamber.
Background technology
Stainless steel clean annealing plate is widely used due to the light had as good solidity to corrosion and minute surface, and stainless steel clean annealing plate adopts stainless steel bright continuous annealing equipment carry out anneal to stainless steel plate and obtain.At present, when cold rolled stainless steel band is annealed in continuous annealing furnace, steel band sequentially passes through heating zone, cooling section, roll chamber and the boot segment containing annealing atmosphere along working direction, and wherein heating zone is indirec radiation heating, and fuel is in radiator tube combustion.
In this type of annealing furnace, hydrogen bout ferric oxide, iron protoxide, Z 250 etc. carry out redox reaction generation iron and water, need to reduce the humidity in annealing atmosphere and oxygen level as far as possible to realize the reduction reaction of hydrogen to ferriferous oxide, because oxygen level is far below extraneous air in stove, therefore external oxygen is easy to infiltrate in stove and hydrogen reaction generation water, the humidity of furnace atmosphere will be improved so further, have impact on annealing effect.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of internal recycle low dew point vertical annealing furnace heating chamber, and continuous for the atmosphere in burner hearth circulating filtration is dry; reduce dew point; the atmosphere of circulating filtration is exported by protective atmosphere again sends back in burner hearth; do not increase additional energy source consumption and do not waste hydrogen prerequisite under; effectively reduce the dew point of protective atmosphere, improve annealing quality.
The utility model is achieved in that a kind of internal recycle low dew point vertical annealing furnace heating chamber, comprises,
One furnace shell;
Cover the stove brick of furnace shell inwall, described stove brick is built and is become burner hearth;
Be staggered and be arranged on the furnace roller of roof of the furnace and bottom, steel band is directed in burner hearth by furnace roller and vertically transmits;
Trend along steel band in described burner hearth is furnished with some groups of combustion radiant tubes on steel band two sides; described combustion radiant tube is horizontally disposed with and parallel with steel band; the two bottom sides of described furnace shell is respectively arranged with band steel entrance and band steel exports; described furnace shell is also provided with protective atmosphere entrance and protective atmosphere outlet; described protective atmosphere outlet is communicated with protective atmosphere entrance by the circulation line of furnace shell outside, described circulation line is in series with recirculation blower and gas flow dryer.
Also be provided with dew point monitor in described burner hearth, signal is exported to controller by described dew point monitor, described controller control linkage recirculation blower.
Described band steel entrance and band steel exports place are all provided with sealing mechanism.
Described sealing mechanism is roll seal sealing mechanism.
Described protective atmosphere entrance is arranged on bottom the furnace shell of band steel inlet side, and described protective atmosphere outlet is arranged on the furnace shell top of band steel exports side.
The utility model internal recycle low dew point vertical annealing furnace heating chamber is dry by continuous for the atmosphere in burner hearth circulating filtration; reduce dew point; the atmosphere of circulating filtration is exported by protective atmosphere again sends back in burner hearth; do not increase additional energy source consumption and do not waste hydrogen prerequisite under; effectively reduce the dew point of protective atmosphere, improve annealing quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model internal recycle low dew point vertical annealing furnace heating chamber.
In figure: 1 furnace shell, 2 stove bricks, 3 furnace rollers, 4 steel bands, 5 combustion radiant tubes, 6 band steel entrances, 7 band steel exports, 8 protective atmosphere entrances, 9 protective atmosphere outlets, 10 circulation lines, 11 recirculation blowers, 12 gas flow dryers, 13 dew point monitor.
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 internal recycle low dew point vertical annealing furnace heating chamber, comprise furnace shell 1 and the stove brick 2 covering furnace shell 1 inwall, described stove brick 2 is built and is become burner hearth; Being provided with in described burner hearth is staggered is arranged on the furnace roller 3 of roof of the furnace and bottom, steel band 4 is directed in burner hearth by furnace roller 3 and vertically transmits, and be full of protective atmosphere in burner hearth, protective atmosphere is mainly hydrogen, and can select to mix a small amount of nitrogen or carbon monoxide, hydrogen content is not less than 80%;
Trend along steel band 4 in described burner hearth is furnished with some groups of combustion radiant tubes 5 on steel band 4 two sides, and described combustion radiant tube 5 is horizontally disposed with and parallel with steel band 4, and fuel is heated steel band 4 by radiation after combustion radiant tube 5 combustion, the two bottom sides of described furnace shell 1 is respectively arranged with band steel entrance 6 and band steel exports 7, described furnace shell 1 is also provided with protective atmosphere entrance 8 and protective atmosphere outlet 9, described protective atmosphere outlet 9 is communicated with protective atmosphere entrance 8 by the circulation line 10 of furnace shell 1 outside, described circulation line 10 is in series with recirculation blower 11 and gas flow dryer 12, the water vapor that the oxygen of the water vapour generated in reduction reaction by hydrogen and outside infiltration and hydrogen reaction generate is by sending back in burner hearth after circulation line 10 cyclic drying, only can lose or small portion heat, but the water vapour content in atmosphere can greatly be reduced, improve annealing quality,
In the present embodiment, in order to can detect accurately and control the dew point in burner hearth, be also provided with dew point monitor 13 in described burner hearth, signal is exported to controller by described dew point monitor 13, described controller control linkage recirculation blower 11.
In order to avoid extraneous air infiltrates in burner hearth, in the utility model, described band steel entrance 6 and band steel exports 7 place are all provided with sealing mechanism, and in the present embodiment, described sealing mechanism is roll seal sealing mechanism.
Consider that hydrogen proportion is the lightest, make it be conducive to the factor circulated, described protective atmosphere entrance 8 is arranged on bottom the furnace shell 1 of band steel entrance 6 side, and described protective atmosphere outlet 9 is arranged on furnace shell 1 top of band steel exports 7 side.
Claims (5)
1. an internal recycle low dew point vertical annealing furnace heating chamber, comprises,
One furnace shell (1);
Cover the stove brick (2) of furnace shell (1) inwall, described stove brick (2) is built and is become burner hearth;
Be staggered the furnace roller (3) being arranged on roof of the furnace and bottom, and steel band (4) is directed in burner hearth by furnace roller (3) and vertically transmits;
It is characterized in that:
Trend along steel band (4) in described burner hearth is furnished with some groups of combustion radiant tubes (5) on steel band (4) two sides, described combustion radiant tube (5) is horizontally disposed with and parallel with steel band (4), the two bottom sides of described furnace shell (1) is respectively arranged with band steel entrance (6) and band steel exports (7), described furnace shell (1) is also provided with protective atmosphere entrance (8) and protective atmosphere outlet (9), described protective atmosphere outlet (9) is communicated with protective atmosphere entrance (8) by the circulation line (10) that furnace shell (1) is outside, described circulation line (10) is in series with recirculation blower (11) and gas flow dryer (12).
2. internal recycle low dew point vertical annealing furnace heating chamber as claimed in claim 1, it is characterized in that: in described burner hearth, be also provided with dew point monitor (13), signal is exported to controller by described dew point monitor (13), described controller control linkage recirculation blower (11).
3. internal recycle low dew point vertical annealing furnace heating chamber as claimed in claim 1, is characterized in that: described band steel entrance (6) and band steel exports (7) place are all provided with sealing mechanism.
4. internal recycle low dew point vertical annealing furnace heating chamber as claimed in claim 3, is characterized in that: described sealing mechanism is roll seal sealing mechanism.
5. internal recycle low dew point vertical annealing furnace heating chamber as claimed in claim 1; it is characterized in that: described protective atmosphere entrance (8) is arranged on furnace shell (1) bottom of band steel entrance (6) side, and described protective atmosphere outlet (9) is arranged on furnace shell (1) top of band steel exports (7) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520488075.9U CN204898020U (en) | 2015-07-03 | 2015-07-03 | Inner loop hangs down vertical annealing stove heating chamber of dew point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520488075.9U CN204898020U (en) | 2015-07-03 | 2015-07-03 | Inner loop hangs down vertical annealing stove heating chamber of dew point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204898020U true CN204898020U (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520488075.9U Expired - Fee Related CN204898020U (en) | 2015-07-03 | 2015-07-03 | Inner loop hangs down vertical annealing stove heating chamber of dew point |
Country Status (1)
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| CN (1) | CN204898020U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106755796A (en) * | 2017-03-10 | 2017-05-31 | 江苏伟建工具科技有限公司 | A kind of high-speed steel circulator bath annealing pipe |
| CN106839757A (en) * | 2017-03-03 | 2017-06-13 | 杭州志在材料科技有限公司 | A kind of controllable ceramic sintering kiln of firing atmosphere |
| CN108118134A (en) * | 2018-02-07 | 2018-06-05 | 清华大学 | A kind of controllable annealing furnace of temperature and humidity |
-
2015
- 2015-07-03 CN CN201520488075.9U patent/CN204898020U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106839757A (en) * | 2017-03-03 | 2017-06-13 | 杭州志在材料科技有限公司 | A kind of controllable ceramic sintering kiln of firing atmosphere |
| CN106755796A (en) * | 2017-03-10 | 2017-05-31 | 江苏伟建工具科技有限公司 | A kind of high-speed steel circulator bath annealing pipe |
| CN108118134A (en) * | 2018-02-07 | 2018-06-05 | 清华大学 | A kind of controllable annealing furnace of temperature and humidity |
| CN108118134B (en) * | 2018-02-07 | 2023-10-20 | 清华大学 | Annealing furnace with controllable temperature and humidity |
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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: 20151223 Termination date: 20160703 |