CN201284356Y - Non-oxidation roller heart type continuous annealing furnace for bar material - Google Patents
Non-oxidation roller heart type continuous annealing furnace for bar material Download PDFInfo
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- CN201284356Y CN201284356Y CNU2008201545034U CN200820154503U CN201284356Y CN 201284356 Y CN201284356 Y CN 201284356Y CN U2008201545034 U CNU2008201545034 U CN U2008201545034U CN 200820154503 U CN200820154503 U CN 200820154503U CN 201284356 Y CN201284356 Y CN 201284356Y
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Abstract
The utility model relates to an non-oxidizing roller hearth continuous annealing furnace used for bars, comprising an inlet feeding stand, an inlet sealing chamber and a corresponding sealing door, a furnace body, an outlet cooling chamber and a corresponding sealing door, and an outlet discharging stand. The continuous annealing furnace also comprises an inlet transition section body which is arranged between the inlet sealing chamber and the furnace body and is internally provided with the sealing door, and an outlet transition section body which is arranged between the furnace body and the outlet cooling chamber and is internally provided with the sealing door. The roller hearth continuous annealing furnace used for bars overcomes the defects that the door curtain can not realize actual sealing so as to be incapable of achieving the non-oxidizing annealing, and a furnace door, the sealing chamber and the transition section are added at the feeding/discharging end, and the corresponding inspection and control are set, thus achieving the mode of intermittent feeding/discharging of the bars at the end and continuous operation in the furnace and realizing the non-oxidizing annealing of the finished products.
Description
Technical field
The utility model relates to thermal technology and Equipment for Heating Processing, particularly a kind of bar non-oxidation roller-hearth continuous annealing furnace.
Background technology
Roller-hearth continuous annealing furnace has multiple type of heating such as radiator tube heating, electrically heated and flame direct heating, can be divided into two kinds of heat treatment modes of protective atmosphere and non-protective atmosphere.
Non-oxidation annealing is that workpiece is heated to annealing temperature in controlled atmosphere or special atmosphere furnace, is incubated and cooling process through corresponding according to material and workpiece size then, thereby obtains favorable manufacturability energy and use properties.
At present, the roller hearth type non-oxidation continuous annealing furnace realizes that the structure of protective atmosphere mainly contains dual mode:
(1) microscler bar roller-hearth continuous annealing furnace is imported and exported and is adopted the door curtain mode to seal, and mainly is made up of inlet feeding skid, inlet seal chamber, door curtain, stove body, outlet cooling room, exit seal chamber and outlet unloading skid etc.Charging and discharging mouth two ends at the annealing furnace body respectively are provided with a sealing chamber, the multiple tracks door curtain respectively is set in sealing chamber, the per pass door curtain is arranged by many long narrow bar shaped fibrous magnesium silicate class heat-stable material broad ways, during furnace charge process door curtain, door curtain is lifted gradually by furnace charge, and after furnace charge passed through, door curtain was set back by deadweight, utilize the multiple tracks door curtain to stop step by step in the air admission stove, reach non-oxidation (few oxidation) annealing purpose.
In this equipment; because door curtain itself has the space; not to seal fully, and can strengthen the space when being pushed open yet, increase the furnace air amount that enters by furnace charge; therefore need constantly in stove, to replenish shielding gas; make to keep malleation in the stove, stop in the air admission stove, not only required shielding gas magnitude of recruitment is big; but also be difficult to prevent guarantee the annealing product non-oxidation in the air admission stove.Because this method does not reach non-oxidation annealing requirement, blank anneal in the middle of can only being used in bar annealing can not be as the anneal of the finished product.
(2) import and export of coil shape bar roller bottom type annealing furnace are adopted vacuumized the buffered gate mode and seal, mainly form by inlet feeding skid, lift hermatic door, inlet vacuum sealing chamber, stove body, outlet cooling room, outlet vacuum sealing chamber and outlet unloading skid etc.Annealing furnace body two ends import and export respectively is provided with a vacuum sealing chamber, and there are two hermatic doors in each vacuum sealing chamber, and one leads to furnace body (inside door), and another leads to stove outer (external door).
During charging, the sealing chamber inside door is closed in advance, when coil enter sealing chamber after, the sealing chamber external door is closed.After vaccum-pumping equipment startup beginning the to be evacuated down to setting vacuum tightness, fill protection gas again, continue to be evacuated down to setting vacuum tightness, up to reaching the oxygen level requirement to normal pressure.Opening encapsulation interior door then, furnace charge enters in the stove and anneals, and inside door is closed, and sealing chamber enters next batch and handles.Conversely, discharging process too.This stove needs vaccum-pumping equipment, fire door device structure and operation more complicated, and seal request is higher, facility investment and maintenance cost height, the failure rate height, misoperation also can cause fire door to stop up, and be difficult to guarantee vacuum tightness in the sealing chamber, guarantee the annealing product non-oxidation.This method relatively is applicable to the non-oxidation annealing of coiling bar.
Summary of the invention
The purpose of this utility model is a kind of bar of exploitation non-oxidation roller-hearth continuous annealing furnace; adopt strict tightness system at import and export; make microscler bar under protective atmosphere, carry out anneal, improve the quality of products, reach the purpose of finished product bar non-oxidation annealing.
For achieving the above object, the technical solution of the utility model is,
A kind of bar non-oxidation roller-hearth continuous annealing furnace, it comprises inlet feeding skid, inlet seal chamber and corresponding hermatic door, stove body, outlet cooling room and corresponding hermatic door, outlet unloading skid; It comprises that also inlet transition segment body is arranged between described inlet seal chamber and the stove body, establishes hermatic door in it; Outlet transition segment body is arranged between described stove body and the outlet cooling room, establishes hermatic door in it.
Further, described inlet feeding skid, inlet seal chamber and inlet transition segment body, outlet cooling room and outlet transition segment body and outlet unloading skid also are provided with and are used to detect the material position, with its control fire door open and close, the detector of furnace roller transmission speed and purging and process of cooling.
Again, the hermatic door of described inlet seal chamber, outlet cooling room is for rotatably compressing the formula hermatic door.
The hermatic door of described inlet transition segment body, outlet transition segment body is the rotating seal door.
In addition, the utility model also comprises interchanger, recirculation blower, and interchanger is communicated with sealing chamber, cooling room by pipeline.
The beneficial effects of the utility model
The utility model roller bottom type annealing furnace is mainly used in microscler rod product non-oxidation anneal.Concerning microscler bar continuous annealing furnace, realize that stove turnover end sealing itself is exactly a very thing of difficulty, and so-called successive processes is actually and is operation continuously in intermittent type input and output material that the stove end is batch feed and discharging in batches, the stove, simultaneously in the stove between the blank relatively continuously every, give full play to the production capacity efficient of stove.The utility model bar roller bottom type connects and to move back stove and overcome door curtain and can't realize real sealing, do not reach non-oxidation annealed drawback, increase fire door, sealing chamber and transition section at the input and output material end, and by relevant detection and control are set, thereby reach bar pattern for moving continuously in end intermittent type input and output material, stove, realize the annealing of finished product non-oxidation.
The utility model is compared with the sealed continuous annealing furnace of door curtain, and required shielding gas magnitude of recruitment reduces greatly, and oxygen level reduces in the stove simultaneously, guarantees the annealing product non-oxidation, can reach finished product non-oxidation annealing requirement, improves the quality of products.
The utility model is compared with the sealed continuous bright annealing furnace of vacuum chamber, owing to there is not vaccum-pumping equipment, facility investment and maintenance cost are low on the one hand, and the hermatic door structure also wants simple many simultaneously; On the other hand, applied widely, not only can be used for coiling class but also can be used for microscler bar series products, this and coil type continuous annealing furnace are different.
Use the utility model non-oxidation roller-hearth continuous annealing furnace, can carry out microscler rod product non-oxidation continuous annealing and handle, compare, can increase substantially quality product with existing roller bottom type annealing furnace, reduce energy consumption, solved microscler bar and be difficult to carry out a non-oxidation annealed difficult problem.Can be used for newly-built microscler bar roller bottom type and even move back stove, also can be used for transforming existing roller bottom type and even move back stove, remarkable economic efficiency is arranged.
Description of drawings
Fig. 1 is the structural representation of the utility model one embodiment.
Embodiment
Referring to Fig. 1, the utility model bar non-oxidation roller-hearth continuous annealing furnace, it comprises inlet feeding skid 1, inlet seal chamber 4 and corresponding hermatic door 3, stove body 7, outlet cooling room 10 and corresponding hermatic door 9, outlet unloading skid 14; It comprises that also inlet transition segment body 6 is arranged between described inlet seal chamber 4 and the stove body 7, establishes hermatic door 5 in it; Outlet transition segment body 8 is arranged between described stove body 7 and the outlet cooling room 10, establishes hermatic door 9 in it.
Described inlet feeding skid 1, inlet seal chamber 4 and inlet transition segment body 6, outlet cooling room 10 and outlet transition segment body 8 and outlet unloading skid 14 also are provided with and are used to detect the material position, with its control fire door open and close, the detector 2 of furnace roller transmission speed and purging and process of cooling.The hermatic door of described inlet seal chamber 4, outlet cooling room 10 is for rotatably compressing the formula hermatic door.The hermatic door 5,9 of described inlet transition segment body 6, outlet transition segment body 8 is the rotating seal door.The utility model also comprises interchanger 12, recirculation blower 11, and interchanger 12 is communicated with sealing chamber, cooling room by pipeline.
Claims (5)
1. bar non-oxidation roller-hearth continuous annealing furnace, it comprises inlet feeding skid, inlet seal chamber and corresponding hermatic door, stove body, outlet cooling room and corresponding hermatic door, outlet unloading skid; It is characterized in that, also comprise,
Inlet transition segment body is arranged between described inlet seal chamber and the stove body, establishes hermatic door in it;
Outlet transition segment body is arranged between described stove body and the outlet cooling room, establishes hermatic door in it.
2. bar non-oxidation roller-hearth continuous annealing furnace as claimed in claim 1, it is characterized in that, described inlet feeding skid, inlet seal chamber and inlet transition segment body, outlet cooling room and outlet transition segment body and outlet unloading skid also be provided be used to detect the material position, with its control fire door open and close, the detector of furnace roller transmission speed and purging and process of cooling.
3. bar non-oxidation roller-hearth continuous annealing furnace as claimed in claim 1 is characterized in that, the hermatic door of described inlet seal chamber, outlet cooling room is for rotatably compressing the formula hermatic door.
4. bar non-oxidation roller-hearth continuous annealing furnace as claimed in claim 1 is characterized in that, the hermatic door of described inlet transition segment body, outlet transition segment body is the rotating seal door.
5. bar non-oxidation roller-hearth continuous annealing furnace as claimed in claim 1 is characterized in that, also comprises interchanger, recirculation blower, and interchanger is communicated with sealing chamber, cooling room by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201545034U CN201284356Y (en) | 2008-10-27 | 2008-10-27 | Non-oxidation roller heart type continuous annealing furnace for bar material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201545034U CN201284356Y (en) | 2008-10-27 | 2008-10-27 | Non-oxidation roller heart type continuous annealing furnace for bar material |
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| Publication Number | Publication Date |
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| CN201284356Y true CN201284356Y (en) | 2009-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201545034U Expired - Fee Related CN201284356Y (en) | 2008-10-27 | 2008-10-27 | Non-oxidation roller heart type continuous annealing furnace for bar material |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220467A (en) * | 2010-04-15 | 2011-10-19 | 上海宝钢设备检修有限公司 | All-fiber mantle-mobile hot air circulation annealing furnace |
| CN103088202A (en) * | 2013-03-02 | 2013-05-08 | 中色奥博特铜铝业有限公司 | Method for accurately positioning charging basket for roller-hearth continuous annealing furnaces |
| CN103276177A (en) * | 2013-04-26 | 2013-09-04 | 宝鸡力兴钛业科技有限公司 | Heat treatment-straightening integrated device for rod/wire production, and rod/wire heat treatment-straightening method adopting the heat treatment-straightening integrated device |
| CN105132638A (en) * | 2015-10-15 | 2015-12-09 | 白城中一精锻股份有限公司 | Method and device for eliminating internal stress of non-quenched and tempered steel automobile engine connecting rod forge piece |
| CN106399661A (en) * | 2015-07-31 | 2017-02-15 | 宝山钢铁股份有限公司 | Vertical-type strip steel jet heat treatment device and method |
| CN106435414A (en) * | 2016-08-30 | 2017-02-22 | 赫菲斯热处理系统江苏有限公司 | Roller hearth nitrogen-based gas shield annealing furnace full-automatic production line |
| CN108977643A (en) * | 2018-09-27 | 2018-12-11 | 江阴市茂昌铸造有限公司 | A kind of continuous temperature insulation annealing furnace |
| CN118543921A (en) * | 2024-07-30 | 2024-08-27 | 中国机械总院集团宁波智能机床研究院有限公司 | Automatic brazing method and production line for shield cutter |
-
2008
- 2008-10-27 CN CNU2008201545034U patent/CN201284356Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220467A (en) * | 2010-04-15 | 2011-10-19 | 上海宝钢设备检修有限公司 | All-fiber mantle-mobile hot air circulation annealing furnace |
| CN102220467B (en) * | 2010-04-15 | 2013-01-30 | 上海宝钢设备检修有限公司 | All-fiber mantle-mobile hot air circulation annealing furnace |
| CN103088202A (en) * | 2013-03-02 | 2013-05-08 | 中色奥博特铜铝业有限公司 | Method for accurately positioning charging basket for roller-hearth continuous annealing furnaces |
| CN103276177A (en) * | 2013-04-26 | 2013-09-04 | 宝鸡力兴钛业科技有限公司 | Heat treatment-straightening integrated device for rod/wire production, and rod/wire heat treatment-straightening method adopting the heat treatment-straightening integrated device |
| CN106399661A (en) * | 2015-07-31 | 2017-02-15 | 宝山钢铁股份有限公司 | Vertical-type strip steel jet heat treatment device and method |
| CN105132638A (en) * | 2015-10-15 | 2015-12-09 | 白城中一精锻股份有限公司 | Method and device for eliminating internal stress of non-quenched and tempered steel automobile engine connecting rod forge piece |
| CN106435414A (en) * | 2016-08-30 | 2017-02-22 | 赫菲斯热处理系统江苏有限公司 | Roller hearth nitrogen-based gas shield annealing furnace full-automatic production line |
| CN106435414B (en) * | 2016-08-30 | 2018-08-03 | 赫菲斯热处理系统江苏有限公司 | A kind of roller-bottom type nitrogen-based gas protection annealing furnace automatic production line |
| CN108977643A (en) * | 2018-09-27 | 2018-12-11 | 江阴市茂昌铸造有限公司 | A kind of continuous temperature insulation annealing furnace |
| CN118543921A (en) * | 2024-07-30 | 2024-08-27 | 中国机械总院集团宁波智能机床研究院有限公司 | Automatic brazing method and production line for shield cutter |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20131027 |