CN109708473A - A kind of sand seal furnace improving liner furnace and resistance band service life - Google Patents
A kind of sand seal furnace improving liner furnace and resistance band service life Download PDFInfo
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- CN109708473A CN109708473A CN201910029174.3A CN201910029174A CN109708473A CN 109708473 A CN109708473 A CN 109708473A CN 201910029174 A CN201910029174 A CN 201910029174A CN 109708473 A CN109708473 A CN 109708473A
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- furnace
- liner
- service life
- resistance band
- liner furnace
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Abstract
The invention discloses a kind of raising liner furnace and the sand seal furnaces of resistance band service life, it is related to silicon steel production technical field, aim to solve the problem that the shorter technical problem of the liner furnace service life of sand seal furnace, its key points of the technical solution are that including table and the heating mantles being set on table, the inner sidewall of the heating mantles is provided with resistive element；What the table was located at heating mantles is internally provided with liner furnace, and the table is provided through the air inlet pipe for being passed through nitrogen to liner furnace interior；The table upper surface is provided with reserved annular groove, and ventilation sand bed is provided in the reserved annular groove ring, and lower end wall and the ventilation sand bed of the liner furnace offset；Nitrogen passes through through ventilation sand bed, and enters between heating mantles and liner furnace, to make the lateral wall of nitrogen protection liner furnace；Since liner furnace and inner sidewall and lateral wall are surrounded by nitrogen, to reduce the contact of liner furnace inner sidewall and lateral wall with air, delays the corrosion of liner furnace, realize the service life for effectively improving liner furnace.
Description
Technical field
The present invention relates to silicon steel production technical fields, more specifically, it relates to which a kind of raising liner furnace and resistance band make
With the sand seal furnace in service life.
Background technique
Sand seal furnace is for processing to coil of strip, so that the equipment that coil of strip forms silicon steel.
Existing sand seal furnace is referring to Fig.1 comprising table 1 is covered with heating mantles 2, the inside setting of heating mantles 2 on table 1
There is resistive element 21, for being internally heated to heating mantles 2；The top of table 1 and be located at heating mantles 2 in be provided in
Gallbladder furnace 4, the inside of liner furnace 4 is for placing coil of strip 6；Table 1 is provided through air inlet pipe 11, for leading into liner furnace 4
Enter nitrogen.
But in the actual use process, the inner sidewall of liner furnace 4 due to nitrogen protection, resistant to rust ability compared with
It is good；And the lateral wall of liner furnace 4 is contacted with oxygen, resistant to rust ability is poor, often results in the lateral wall of liner furnace 4 to liner
The corrosion of 4 inner sidewall direction of furnace, until causing scrapping for liner furnace 4, the service life of liner furnace 4 is shorter, therefore to be improved.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of raising liner furnace and resistance band to use
The sand seal furnace in service life, effectively improves the advantage of liner furnace service life.
To achieve the above object, the present invention provides the following technical scheme that
A kind of sand seal furnace improving liner furnace and resistance band service life, including table and the heating mantles being set on table, institute
The inner sidewall for stating heating mantles is provided with resistive element；What the table was located at heating mantles is internally provided with liner furnace, the table
It is provided through the air inlet pipe for being passed through nitrogen to liner furnace interior；The table upper surface is provided with reserved annular groove, described
Ventilation sand bed is provided in reserved annular groove ring, lower end wall and the ventilation sand bed of the liner furnace offset.
By using above-mentioned technical proposal, when in use, nitrogen enters in liner furnace through air inlet pipe；Then, continue nitrogen
Gas is filled with into liner furnace；Nitrogen passes through through ventilation sand bed, and enters between heating mantles and liner furnace, to make in nitrogen protection
The lateral wall of gallbladder furnace；Since liner furnace and inner sidewall and lateral wall are surrounded by nitrogen, to reduce liner furnace inner sidewall and outer
Contact of the side wall with air delays the corrosion of liner furnace, realizes the service life for effectively improving liner furnace.
Further, the table upper surface is provided with the backing plate for being used to support coil of strip.
By using above-mentioned technical proposal, backing plate is used to support coil of strip, and the upper surface of backing plate more flushes, backing plate and coil of strip
Lower end surface can sufficiently be bonded, to avoid coil of strip lower end by every damage.
Further, resistance band is provided between the table upper surface and backing plate.
By using above-mentioned technical proposal, after resistance band heating, to be heated for the lower end to coil of strip；Meanwhile electricity
Resistance element heats the side wall of coil of strip and upper end, and realization is evenly heated coil of strip.
Further, the table upper surface and be located at resistance band side be provided with support brick body, the support brick body
Upper end wall offset with backing plate.
By using above-mentioned technical proposal, brick body is supported to offset with backing plate, so that backing plate is avoided to press resistance band, thus
Effective protection resistance band improves the service life of resistance band.
Further, the lateral wall of the table is fixedly installed mounting ring sink, and extension is provided on the heating mantles
Sealing vestlet in mounting ring sink.
By using above-mentioned technical proposal, by mounting ring sink and the seal closure seal of tube, installation between table and heating mantles
Ring sink is provided with water, to effectively improve the leakproofness of heating mantles and table, reduces the inside that air enters heating mantles.
Further, the heating mantles lateral wall is detachably provided with installation ring flat-plate, and the sealing vestlet is fixed on installation
Ring flat-plate.
By using above-mentioned technical proposal, ring flat-plate is installed by installation or removal, to realize the installation to sealing vestlet
Or disassembly.
Further, the roof of the heating mantles is provided through gas vent, and the heating mantles lateral wall is located at gas vent
Surrounding be provided with reserved ring sink body, the reserved ring sink body upper cover is equipped with sealing cover, and the sealing cover lower end wall is to pre-
The internal stretch of ring sink body is stayed to be provided with sealing cover pipe.
By using above-mentioned technical proposal, when the air pressure in heating mantles is larger, sealing cover is jacked up upwards, thus in time
A part of gas of discharge, to reduce the air pressure in heating mantles, avoid there is a phenomenon where heating furnace explode.
Further, the sealing cover lower surface is provided with the supporting block to offset with reserved ring sink body upper end wall；It is described
Supporting block is located at the inside of sealing cover pipe.
By using above-mentioned technical proposal, supporting block offsets with reserved ring sink body upper end wall, to improve sealing cover
Stability reduces sealing cover run-off the straight.
Further, the gas vent is internally provided with tampon.
By using above-mentioned technical proposal, when sealing cover bounce, reserves the intracorporal water of ring sink and be easy to splash, at this time cotton
Plug can adsorb a part of water, and water droplet is avoided to drop down on liner furnace.
Further, the gas vent inner sidewall is provided with friction bulge loop.
By using above-mentioned technical proposal, tampon can avoid tampon with gas vent inner sidewall, friction lug male-female
It falls downwards.
In conclusion the invention has the following advantages:
It 1, can be the lateral wall that nitrogen timely enters liner furnace by reserving the setting of annular groove and its internal ventilation sand bed
Place effectively delays the corrosion of liner furnace, and then realize the service life for effectively improving liner furnace to form protective layer；
2, the roof of heating mantles is provided with the cooperation of gas vent and sealing cover pipe and reserved ring sink body, inside heating mantles
Air pressure it is larger when, can timely by nitrogen be discharged a part, timely to reduce the atmospheric pressure in heating mantles, avoid plus
There is a phenomenon where explode for heat cover.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section of sand seal furnace in background technique；
Fig. 2 is the diagrammatic cross-section of sand seal furnace in embodiment；
Fig. 3 is the enlarged drawing of part A in Fig. 2；
Fig. 4 is in embodiment for embodying the structural schematic diagram of matching relationship between sealing vestlet and mounting ring sink；
Fig. 5 is in embodiment for embodying the structural schematic diagram of matching relationship between gas vent and tampon.
In figure: 1, table；11, air inlet pipe；12, annular groove is reserved；121, ventilation sand bed；13, backing plate；14, resistance band；15,
Support brick body；16, mounting ring sink；2, heating mantles；21, resistive element；22, ring flat-plate is installed；221, vestlet is sealed；23, it is vented
Hole；231, rub bulge loop；24, ring sink body is reserved；3, tampon；4, liner furnace；5, sealing cover；51, sealing cover pipe；52, it supports
Block；6, coil of strip.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment:
A kind of sand seal furnace improving liner furnace and resistance band service life, referring to Fig. 2 comprising table 1 and be set on table 1
Heating mantles 2；The inner sidewall of heating mantles 2 is provided with resistive element 21, and resistive element 21 is preferably heating sucker rod, resistive element 21
Power supply line extends to the outside of heating mantles 2, for powering on.
Referring to Fig. 2, what table 1 was located at heating mantles 2 is internally provided with liner furnace 4, the upper surface of table 1 and positioned at liner furnace
For placing coil of strip 6 at 4 inside.
Referring to Fig. 2 and Fig. 3, table 1 is provided through air inlet pipe 11, to be used to be passed through nitrogen to the inside of liner furnace 4.Table
1 upper surface is provided with backing plate 13, and backing plate 13 is used to support coil of strip 6, with the position for limiting the placement of coil of strip 6；1 upper surface of table
Resistance band 14, the preferred heating sucker rod of resistance band 14 are provided between backing plate 13；To be evenly heated for the bottom wall to coil of strip 6.
It is provided with support brick body 15 referring to Fig. 2 and Fig. 3,1 upper surface of table and positioned at the side of resistance band 14, supports brick body
15 upper end wall offsets with backing plate 13, to be used to support backing plate 13, backing plate 13 is avoided to cause crushing to resistance band 14.
Referring to Fig. 2 and Fig. 3,1 upper surface of table is provided with reserved annular groove 12, and reserved annular groove 12 is internally provided with ventilation sand bed
121, so that nitrogen enters from the inside of liner furnace 4 outside of liner furnace 4.Ventilation sand bed 121 is made of sand laying.Liner furnace
4 lower end wall offsets with ventilation sand bed 121, and after the inside of liner furnace 4 is full of nitrogen, nitrogen is through in the ventilation entrance of sand bed 121
The outside of gallbladder cover, to make there is nitrogen between liner furnace 4 and heating mantles 2.
Referring to Fig. 2 and Fig. 4, the lateral wall of table 1 is fixedly installed mounting ring sink 16, mounting ring by welding
The inside of sink 16 is for holding water；Sealing vestlet 221 is provided on heating mantles 2, sealing vestlet 221 extends to mounting ring sink
In 16；To improve the leakproofness for heating mantles 2.2 lateral wall of heating mantles is removably connected with installation ring flat-plate 22 by bolt, close
Sealing cover pipe 221 is fixed by welding on installation ring flat-plate 22；In order to seal the replacement and installation of vestlet 221.
Referring to Fig. 2 and Fig. 5, the roof of heating mantles 2 is provided through gas vent 23, for arranging in time for excessive nitrogen
Out；The surrounding that the lateral wall of heating mantles 2 is located at gas vent 23 is provided with reserved ring sink body 24, and reserved 24 upper cover of ring sink body is set
There is sealing cover 5,5 lower end wall of sealing cover is provided with sealing cover pipe 51 to the internal stretch of reserved ring sink body 24；Sealing cover pipe 51
It is plugged in the water in reserved ring sink body 24, for being blocked to gas vent 23.
Referring to Fig. 5,5 lower surface of sealing cover is fixedly installed supporting block 52 by screw, and supporting block 52 is located at sealing cover pipe
51 inside；Supporting block 52 offsets with reserved 24 upper end wall of ring sink body, to improve the stability of sealing cover 5.
Referring to Fig. 5, gas vent 23 is internally provided with tampon 3, when the water in reserved ring sink body 24 splashes out, tampon 3
For adsorbing water；23 inner sidewall of gas vent is fixedly installed friction bulge loop 231 by screw, to increase the contact surface with tampon 3
Product, makes recessed at 3 lateral wall of tampon and friction bulge loop 231, and the downward of tampon 3 is avoided to fall.
Working principle is as follows:
When work, opening resistor element 21 and resistance band 14, resistive element 21 and resistance band 14 heat coil of strip 6；Simultaneously
Nitrogen is through air inlet pipe 11 into the inside of liner furnace 4, and after nitrogen is full of in liner furnace 4, nitrogen is by the ventilation entrance of sand bed 121
The outside of gallbladder furnace 4, to make the lateral wall of liner furnace 4 full of nitrogen；Due to when processing coil of strip 6, the inner sidewall of liner furnace 4 and
Lateral wall is contacted by nitrogen, avoids contacting with air, to effectively avoid the corrosion of liner furnace 4, realization effectively improves liner
The service life of furnace 4.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. a kind of sand seal furnace for improving liner furnace and resistance band service life including table (1) and is set to adding on table (1)
Heat cover (2), the inner sidewall of the heating mantles (2) are provided with resistive element (21)；The table (1) is located at the interior of heating mantles (2)
Portion is provided with liner furnace (4), and the table (1) is provided through the air inlet pipe for being passed through nitrogen to liner furnace (4) inside
(11)；It is characterized by: table (1) upper surface is provided with reserved annular groove (12), setting in reserved annular groove (12) ring
Have ventilation sand bed (121), lower end wall and ventilation sand bed (121) of the liner furnace (4) offset.
2. a kind of sand seal furnace for improving liner furnace and resistance band service life according to claim 1, it is characterised in that: institute
It states table (1) upper surface and is provided with the backing plate (13) for being used to support coil of strip (6).
3. a kind of sand seal furnace for improving liner furnace and resistance band service life according to claim 2, it is characterised in that: institute
It states and is provided with resistance band (14) between table (1) upper surface and backing plate (13).
4. a kind of sand seal furnace for improving liner furnace and resistance band service life according to claim 3, it is characterised in that: institute
It states table (1) upper surface and the side of resistance band (14) is provided with support brick body (15), it is described to support the upper of brick body (15)
End wall offsets with backing plate (13).
5. a kind of sand seal furnace for improving liner furnace and resistance band service life according to claim 1, it is characterised in that: institute
The lateral wall for stating table (1) is fixedly installed mounting ring sink (16), is provided on the heating mantles (2) and is extended to mounting ring water
Sealing vestlet (221) in slot (16).
6. a kind of sand seal furnace for improving liner furnace and resistance band service life according to claim 5, it is characterised in that: institute
It states heating mantles (2) lateral wall and is detachably provided with installation ring flat-plate (22), the sealing vestlet (221) is fixed on installation ring flat-plate
(22)。
7. a kind of sand seal furnace for improving liner furnace and resistance band service life according to claim 1, it is characterised in that: institute
The roof for stating heating mantles (2) is provided through gas vent (23), and heating mantles (2) lateral wall is located at the surrounding of gas vent (23)
It is provided with reserved ring sink body (24), reserved ring sink body (24) upper cover is equipped with sealing cover (5), under the sealing cover (5)
End wall is provided with sealing cover pipe (51) to the internal stretch of reserved ring sink body (24).
8. a kind of sand seal furnace for improving liner furnace and resistance band service life according to claim 7, it is characterised in that: institute
It states sealing cover (5) lower surface and is provided with the supporting block (52) to offset with reserved ring sink body (24) upper end wall；The supporting block
(52) it is located at the inside of sealing cover pipe (51).
9. a kind of sand seal furnace for improving liner furnace and resistance band service life according to claim 8, it is characterised in that: institute
That states gas vent (23) is internally provided with tampon (3).
10. a kind of sand seal furnace for improving liner furnace and resistance band service life according to claim 9, it is characterised in that:
Gas vent (23) inner sidewall is provided with friction bulge loop (231).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910029174.3A CN109708473B (en) | 2019-01-12 | 2019-01-12 | Sand seal furnace for prolonging service life of inner container furnace and resistance belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910029174.3A CN109708473B (en) | 2019-01-12 | 2019-01-12 | Sand seal furnace for prolonging service life of inner container furnace and resistance belt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109708473A true CN109708473A (en) | 2019-05-03 |
| CN109708473B CN109708473B (en) | 2020-10-09 |
Family
ID=66261337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910029174.3A Active CN109708473B (en) | 2019-01-12 | 2019-01-12 | Sand seal furnace for prolonging service life of inner container furnace and resistance belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109708473B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4311538A (en) * | 1979-07-11 | 1982-01-19 | Kawasaki Steel Corporation | Method of sealing an inner cover arranged in a box annealing furnace used for producing grain-oriented silicon steel sheets |
| CN201762394U (en) * | 2010-08-19 | 2011-03-16 | 湖南常摩制造有限公司 | Heat shaping bell jar furnace of friction plate |
| CN202393210U (en) * | 2011-12-21 | 2012-08-22 | 苏州市科达炉业有限公司 | Embedded heating strong counter-flow cover type resistance furnace |
| CN104195320A (en) * | 2014-09-04 | 2014-12-10 | 新万鑫（福建）精密薄板有限公司 | Inner hood of high-temperature hood type furnace for oriented silicon steel |
| CN204224671U (en) * | 2014-09-04 | 2015-03-25 | 新万鑫（福建）精密薄板有限公司 | A kind of tightness system of oriented silicon steel high temperature bell-type furnace |
| CN206654945U (en) * | 2016-12-15 | 2017-11-21 | 鹰潭盛发铜业有限公司 | A kind of Copper fabrication clock hood type furnace based on electric-heating technology |
| CN207862414U (en) * | 2018-02-07 | 2018-09-14 | 南昌市赣江电缆厂 | A kind of cable production continuous annealer |
-
2019
- 2019-01-12 CN CN201910029174.3A patent/CN109708473B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4311538A (en) * | 1979-07-11 | 1982-01-19 | Kawasaki Steel Corporation | Method of sealing an inner cover arranged in a box annealing furnace used for producing grain-oriented silicon steel sheets |
| CN201762394U (en) * | 2010-08-19 | 2011-03-16 | 湖南常摩制造有限公司 | Heat shaping bell jar furnace of friction plate |
| CN202393210U (en) * | 2011-12-21 | 2012-08-22 | 苏州市科达炉业有限公司 | Embedded heating strong counter-flow cover type resistance furnace |
| CN104195320A (en) * | 2014-09-04 | 2014-12-10 | 新万鑫（福建）精密薄板有限公司 | Inner hood of high-temperature hood type furnace for oriented silicon steel |
| CN204224671U (en) * | 2014-09-04 | 2015-03-25 | 新万鑫（福建）精密薄板有限公司 | A kind of tightness system of oriented silicon steel high temperature bell-type furnace |
| CN206654945U (en) * | 2016-12-15 | 2017-11-21 | 鹰潭盛发铜业有限公司 | A kind of Copper fabrication clock hood type furnace based on electric-heating technology |
| CN207862414U (en) * | 2018-02-07 | 2018-09-14 | 南昌市赣江电缆厂 | A kind of cable production continuous annealer |
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| Publication number | Publication date |
|---|---|
| CN109708473B (en) | 2020-10-09 |
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