CN209081933U - A kind of steel strip annealing furnace - Google Patents
A kind of steel strip annealing furnace Download PDFInfo
- Publication number
- CN209081933U CN209081933U CN201821930488.8U CN201821930488U CN209081933U CN 209081933 U CN209081933 U CN 209081933U CN 201821930488 U CN201821930488 U CN 201821930488U CN 209081933 U CN209081933 U CN 209081933U
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- Prior art keywords
- flue
- steel strip
- annealing furnace
- outer cover
- strip annealing
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 46
- 239000010959 steel Substances 0.000 title claims abstract description 46
- 238000000137 annealing Methods 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims description 27
- 238000001816 cooling Methods 0.000 claims description 21
- 238000009423 ventilation Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000000704 physical effect Effects 0.000 description 4
- 206010022000 influenza Diseases 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
Landscapes
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The utility model discloses a kind of steel strip annealing furnaces, including outer cover and flue, outer cover and flue are provide with table, and outer cover is provide with flue, the bottom of table is equipped with convection flow fan, table is equipped with hollow guide shell, for carrying out water conservancy diversion to gas, is equipped with temperature sensor and the charging tray for placing steel band in flue.The utility model is provided with hollow guide shell on table, realizes that gas flow guiding, reducing gas are sufficiently flowed, product surface it is Well-recovered, avoid product surface from generating white dirty phenomenon；And the first air flue and the second air flue being mutually communicated are set in flue, the temperature for being conducive to accelerate in protective cover reaches the uniformity for uniformly improving annealing temperature; to improve production efficiency, and shorten annealing time, annealing time is accumulative can to shorten 5h; energy consumption is reduced, expense is low.
Description
Technical field
The utility model belongs to industrial annealing technology field, and in particular to a kind of steel strip annealing furnace.
Background technique
Steel band is the sheet metal supplied in rolls, is also strip.In special steel system, steel band unique properties, using model
It encloses extensively, and in steel industry, the quality of annealing directly affects the quality of steel product quality, therefore annealing operation is in steel industry
A very important process.Moreover, the raising of the yield and quality with steel band, also more next to the performance requirement of annealing furnace
It is higher.
On domestic market, the bell-type annealing furnace of the punched nickel-plated steel band for 0.035mm-0.10mm thickness, one
As be made of outer cover, flue, stone or metal plate for standing a stove on as a precaution against fire, table, convection flow fan, when use, promotes outer cover, after steel band is gradually put into wherein
Outer cover is declined again；Wherein it is covered with heating mantles and cooling dome, when heating generally uses heating mantles, and (upper, middle and lower are equal by 3rd area
Even distribution) temperature control heating, cooling dome is generally used when cooling, using wind cooling temperature lowering.
Temperature in the effect and flue of strip anneal has direct relationship, currently, being used for the bell jar of punched nickel-plated steel band
Formula annealing furnace, because temperature control method is outer cover temperature control, the temperature in flue respectively has 2-3h to be deferred in heating with insulating process
Upper and lower temperature difference reaches 40-100 DEG C in temperature state and flue, seriously affects temperature uniformity in flue, and annealing is caused to produce
The performance uniformity of product is poor；Meanwhile easily there are the abnormal phenomenon such as overtemperature in furnace in production process, temperature uniformity difference causes to move back
The uniformity of fiery the physical property of product is poor, flatness is exceeded and other issues, so that punched nickel-plated steel band can not carry out subsequent processing
Production.In heat treatment process, strong convection is not implemented in reducing gas, and gas circulating effect is poor, and the reproducibility of product surface is poor, is led
In cause, the product surface of upper layer stone or metal plate for standing a stove on as a precaution against fire often there are the abnormal phenomenon such as white dirt, be not able to satisfy client's requirement.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of steel strip annealing furnace.
The utility model provides a kind of steel strip annealing furnace, including outer cover and flue, and outer cover and flue are provide with table, and outer
It is provide with flue, the bottom of table is equipped with convection flow fan, and table is equipped with hollow guide shell, for carrying out water conservancy diversion to gas,
Temperature sensor and the charging tray for placing steel band are equipped in flue.
Preferably, the outer cover is heating mantles or cooling dome.
Preferably, the temperature sensor is thermocouple.
Preferably, side is equipped with thermocouple support in table, and thermocouple support is equipped with thermocouple.
Preferably, bracket is respectively equipped at the both sides of the edge of the table.
Preferably, the charging tray is placed on bracket.
Preferably, the guide shell is arranged on the middle position of table, and in the surface of convection flow fan.
Preferably, blow vent is offered in the middle part of the charging tray to be connected to the guide shell.
Preferably, the position covered on the table by guide shell is provided with ventilation hole.
Preferably, the two sides of the table are equipped with hole.
The charging tray for placing steel band is equipped in flue described in the utility model, charging tray setting is at least one layer of.
Temperature sensor described in the utility model is thermocouple, and side is equipped with thermocouple support, thermocouple in the table
Bracket is equipped with thermocouple, and the thermocouple is provided with multiple, is respectively distributed to the upper, middle and lower in flue, uses
Temperature manner is monitored in furnace, is not occurred to temperature the phenomenon that postponing, and guide shell is set, reducing gas is sufficiently flowed, is driven
Heat flows in entire flue, guarantee flue in temperature consistency, only ± 10 DEG C of in-furnace temperature deviation, the physical property of product with
Flatness is all satisfied customer requirement；Annealing time is accumulative can to shorten 5h, and can economize on electricity about 100kw*5h=500 degree/furnace.
Heating mantles described in the utility model be outer layer be steel shell, internal layer be double-layer structure that refractory fibre is paved into plus
Heat cover, the heating mantles are provided with heating system；The cooling dome is cooling dome commonly used in the prior art, is provided with strong
Air cooling system processed, can also be used wind cooling temperature lowering.
Blow vent is offered in the middle part of the charging tray of the utility model, the position that table is covered by guide shell is provided with ventilation hole,
Blow vent is connected to form the first air flue with guide shell, and the second air flue, the first air flue and second are formed between inboard wall of furnace and charging tray
It is connected to by the ventilation hole on table with the hole on table two sides between air flue.
The beneficial effects of the utility model are:
1, the utility model is provided with hollow guide shell on table, realizes that gas flow guiding, reducing gas obtain sufficiently
Flowing, product surface it is Well-recovered, avoid product surface from generating white dirty phenomenon.
2, the utility model is provided with thermocouple in flue, and the temperature of each position in flue is monitored by thermocouple
Situation, the temperature deviation of each section is within 10 DEG C in flue, and temperature uniformity is higher in flue, and the performance of annealing product is uniform
Property it is preferable, the physical property of product and flatness are all satisfied customer requirement.
3, the first air flue and the second air flue being mutually communicated is arranged in the utility model in flue, is conducive to accelerate protective cover
Interior temperature reaches the uniformity for uniformly improving annealing temperature, to improve production efficiency, and shortens annealing time, when annealing
Between add up to shorten 5h, reduce energy consumption, expense is low.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Wherein, 1 outer cover；2 flues；3 convection flow fans；4 tables；5 guide shells；6 steel bands；7 charging trays；8 thermocouple supports；9 heat
Galvanic couple；10 brackets；41 first air flues；42 second air flues；71 blow vents.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing and preferred embodiment.
As shown in Figure 1, the utility model provides a kind of steel strip annealing furnace, including outer cover 1 and flue 2, outer cover and flue
It being provide with table 4, and outer cover 1 is provide with flue 2, the bottom of table 4 is equipped with convection flow fan 3, and table 4 is equipped with hollow guide shell 5,
For carrying out water conservancy diversion to gas, temperature sensor and the charging tray 7 for placing steel band 6 are equipped in flue 2.
Outer cover 1 described in the utility model is heating mantles or cooling dome, when annealing furnace is in the heating and heat preservation of annealing process
When the stage, outer cover 1 used is heating mantles；In annealing stage, heating mantles are removed, outer cover 1 used is cooling dome.
Heating mantles described in the utility model be outer layer be steel shell, internal layer be double-layer structure that refractory fibre is paved into plus
Heat cover, the heating mantles are provided with heating system, and heating system is gas heating system or electric heating system, when for gas heating
When system, without blowing before needing then to be heated to purging in flue 2 if it is electric heating system with nitrogen before gas heating
It sweeps.
Cooling dome described in the utility model is cooling dome commonly used in the prior art, is provided with forced air cooling system
System.
The utility model is equipped with temperature sensor in flue 2, is monitored to the temperature in flue 2, when temperature is excessively high
When, stop heating.
Temperature sensor described in the utility model is thermocouple 9, and side is equipped with thermocouple support 8, thermoelectricity in the table 4
Even component frame 8 is equipped with thermocouple 9, using temperature manner is monitored in furnace, does not occur to temperature the phenomenon that postponing, and in-furnace temperature deviation
Only ± 10 DEG C, the physical property and flatness of product are all satisfied customer requirement；Annealing time is accumulative can to shorten 5h, and can economize on electricity about 100kw*
5h=500 degree/furnace.
Bracket 10 is respectively equipped at the both sides of the edge of table 4 described in the utility model, the charging tray 7 is placed on bracket 10
On, so that two sides of the steel band 6 above guide shell 5, enable the sufficiently reduced gas of steel band 6 to restore, product surface is gone back
Originality is good.
Reducibility gas described in the utility model is the mixed gas of hydrogen and nitrogen, compared to only with hydrogen, more
Safety.
Guide shell 5 described in the utility model is arranged on the middle position of table 4, and in the surface of convection flow fan 3,
It realizes that gas flow guiding, reducing gas are sufficiently flowed, product surface is avoided to generate white dirty phenomenon.
Ventilation hole, the two sides of the table 4 are provided with by the position that guide shell 5 covers on table 4 described in the utility model
Side is equipped with hole.
The middle part of charging tray 7 described in the utility model offers blow vent 71 and is connected to the guide shell 5, forms the first air flue
41, the second air flue 42 is formed between flue 2 and charging tray 7, the second air flue 42 passes through the ventilation hole and hole and the first gas on table 4
Road 41 is connected to.
The charging tray 7 for placing steel band 6 is equipped in flue 2 described in the utility model, at least one layer, this reality is arranged in charging tray 7
Example is applied for 4 layers: two 6 monovolume of steel band of each layer are stacked in the two sides of 7 upper vent 71 of charging tray, two such steel band respectively
6 can more evenly be heated faster simultaneously, facilitate the uniformity for improving annealing temperature, and shorten annealing time, flue 2 arrives
6 surface of steel band can realize best Heat transmission, reduce energy consumption.
When heating and holding stage of the annealing furnace in annealing process, reducing gas, outer cover 1 used are injected into flue 2
For heating mantles, heating mantles are located to the outside of flue 2, the steel band 6 being placed on charging tray 7 in flue 2 is heated, start convection current
Blower 3, the convection flow fan 3, by the ventilation hole on the guide shell 5 and table 4, enter from the first air flue 41 sucking gas
It in table 4, then enters in the second air flue 42 from the hole of 4 two sides of table, enters back into the first air flue 41, so on circulate
Movement, can accelerate temperature in flue 2 and reach balance, and reducing gas is uniformly distributed, so that the steel band 6 on the charging tray 7 in flue 2 adds
It is hot uniform.When annealing furnace is in annealing stage, heating mantles are removed, outer cover 1 used is cooling dome, and cooling dome is located at flue 2
Outside, forced air cooling system therein after cooling, carries out with nitrogen in flue to cooling down in flue 2
Purging, then hangs away cooling dome, removes steel band 6, can carry out next group of steel band 6 and anneal.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (10)
1. a kind of steel strip annealing furnace, which is characterized in that including outer cover (1) and flue (2), outer cover (1) and flue (2) are provide with table
(4), and outer cover (1) is provide with flue (2), and the bottom of table (4) is equipped with convection flow fan (3), and table (4) is equipped with hollow water conservancy diversion
Cylinder (5) is equipped with temperature sensor and the charging tray (7) for placing steel band (6) in flue (2) for carrying out water conservancy diversion to gas.
2. steel strip annealing furnace as described in claim 1, which is characterized in that the outer cover (1) is heating mantles or cooling dome.
3. steel strip annealing furnace as described in claim 1, which is characterized in that the temperature sensor is thermocouple (9).
4. steel strip annealing furnace as claimed in claim 3, which is characterized in that table (4) interior side is equipped with thermocouple support (8),
Thermocouple support (8) is equipped with thermocouple (9).
5. steel strip annealing furnace as described in claim 1, which is characterized in that be respectively equipped at the both sides of the edge of the table (4)
Bracket (10).
6. steel strip annealing furnace as claimed in claim 5, which is characterized in that the charging tray (7) is placed on bracket (10).
7. steel strip annealing furnace as described in claim 1, which is characterized in that center of guide shell (5) setting in table (4)
Between on position, and in the surface of convection flow fan (3).
8. steel strip annealing furnace as described in claim 1, which is characterized in that offer blow vent in the middle part of the charging tray (7)
(71) it is connected to the guide shell (5).
9. steel strip annealing furnace as described in claim 1, which is characterized in that the portion covered on the table (4) by guide shell (5)
Position is provided with ventilation hole.
10. steel strip annealing furnace as claimed in claim 9, which is characterized in that the two sides of the table (4) are equipped with hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821930488.8U CN209081933U (en) | 2018-11-22 | 2018-11-22 | A kind of steel strip annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821930488.8U CN209081933U (en) | 2018-11-22 | 2018-11-22 | A kind of steel strip annealing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209081933U true CN209081933U (en) | 2019-07-09 |
Family
ID=67125003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821930488.8U Active CN209081933U (en) | 2018-11-22 | 2018-11-22 | A kind of steel strip annealing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209081933U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113201639A (en) * | 2021-04-06 | 2021-08-03 | 燕山大学 | Device for annealing pipe and using method |
| CN118813951A (en) * | 2024-09-19 | 2024-10-22 | 攀钢集团攀枝花钢钒有限公司 | A convection fan control system and method for annealing furnace |
-
2018
- 2018-11-22 CN CN201821930488.8U patent/CN209081933U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113201639A (en) * | 2021-04-06 | 2021-08-03 | 燕山大学 | Device for annealing pipe and using method |
| CN118813951A (en) * | 2024-09-19 | 2024-10-22 | 攀钢集团攀枝花钢钒有限公司 | A convection fan control system and method for annealing furnace |
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