CN207002813U - A kind of continuous annealing furnace Quick pre-heating device - Google Patents
A kind of continuous annealing furnace Quick pre-heating device Download PDFInfo
- Publication number
- CN207002813U CN207002813U CN201720811053.0U CN201720811053U CN207002813U CN 207002813 U CN207002813 U CN 207002813U CN 201720811053 U CN201720811053 U CN 201720811053U CN 207002813 U CN207002813 U CN 207002813U
- Authority
- CN
- China
- Prior art keywords
- strip
- heat exchange
- heating device
- nip rolls
- cabinet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 24
- 238000000137 annealing Methods 0.000 title claims abstract description 20
- 230000008676 import Effects 0.000 claims abstract description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 4
- 238000010926 purge Methods 0.000 claims abstract description 4
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 238000009826 distribution Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000001035 drying Methods 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Drying Of Solid Materials (AREA)
Abstract
It the utility model is related to steel producing equipment, more particularly to a kind of continuous annealing furnace Quick pre-heating device, including cabinet, nip rolls, closed chamber, circulating fan, Other heat exchange devices and array hot-air mouth；The cabinet is the horizontal chassis of both ends open, and both ends are respectively strip import and strip outlet, and the strip import and strip exit are provided with closed chamber, and the closed chamber is nitrogen purging sealing；The nip rolls is arranged in cabinet, is provided with two groups, and every group includes upper roller and lower roll, and upper roller is located at directly over lower roll, and two groups of nip rolls horizontal symmetricals are set；Strip is located between upper roller and the lower roll of nip rolls, and the circulating fan is arranged on enclosure top；The utility model has the advantage of：Reduce energy consumption；What the array hot-air mouth of setting can be closely simultaneously is applied directly to hot blast on strip, improves heat exchanger effectiveness；Due to the raising of heat exchange efficiency, it is only necessary to run a passage, shorten drying tunnel length, reduce floor space.
Description
Technical field
It the utility model is related to steel producing equipment, more particularly to a kind of continuous annealing furnace Quick pre-heating device.
Background technology
It is heat-treated in cold-strip steel in production process, continuous annealing production technology has production efficiency height, product due to it
The advantages of quality is good, production cost is low, is developed rapidly.To 2010, China's cold-rolled steel strip continuous annealing unit will reach
To 22 sets, the product category and performance of production also gradually step up.The process section of its production line generally comprise cleaning section, annealing section,
The equipment such as watch-quench tank, complete the techniques such as cleaning, annealing, Wetted constructures and the cooling of strip.Wherein, the preheating in annealing process
Section is to be circulated in protective gas by heat exchanger in stove, strip can be preheated to 150 DEG C, strip is worn among bellows
Cross, bringing-up section is entered after.
Current pre-heating device has that protective gas heat exchange efficiency is low, and strip needs to run two passages wherein, or
It is to use longer pre-heating device drying tunnel；So reduce the pre- thermal efficiency and add occupation area of equipment；Meanwhile pre-heating device
Use independent heat-exchanger rig more, cause the waste of the energy.
Therefore, a kind of heat exchange efficiency is high, and preheating drying tunnel is short, and floor space is small, the low Quick pre-heating device of energy consumption up for
Exploitation.
Utility model content
The technical problem that the utility model solves is that it is low to have a protective gas heat exchange efficiency for pre-heating device in the prior art,
Strip needs to run two passages wherein, or uses longer pre-heating device drying tunnel；So reduce the pre- thermal efficiency and
Add occupation area of equipment.
To solve the above problems, we have proposed a kind of continuous annealing furnace Quick pre-heating device, the device sets waste heat
Retracting device, the retracting device are connected with gas heat exchanger, are provided with array hot air spout, can be by production line bringing-up section
UTILIZATION OF VESIDUAL HEAT IN reduces energy consumption to preheating section；What the array hot-air mouth of setting can be closely simultaneously directly acts on hot blast
Onto strip, heat exchanger effectiveness is improved；Due to the raising of heat exchange efficiency, it is only necessary to a passage is run, shortens drying tunnel length,
Reduce floor space.
To realize the demand, the utility model is achieved through the following technical solutions above-mentioned purpose：A kind of continous way is moved back
Stove Quick pre-heating device, including cabinet, nip rolls, closed chamber, circulating fan, Other heat exchange devices and array hot-air mouth；Institute
The horizontal chassis that cabinet is both ends open is stated, both ends are respectively strip import and strip outlet, and the strip import and strip go out
Closed chamber is provided with mouthful, the closed chamber is nitrogen purging sealing；The nip rolls is arranged in cabinet, is provided with two groups,
Every group includes upper roller and lower roll, and upper roller is located at directly over lower roll, and two groups of nip rolls horizontal symmetricals are set；Strip is located at the upper roller of nip rolls
Between lower roll, the circulating fan is arranged on enclosure top, is connected by exhaust hood and airduct with Other heat exchange devices；Institute
State Other heat exchange devices and be arranged on enclosure top；
The Other heat exchange devices are shell and tube exchanger, and the Other heat exchange devices include shell chamber passage and tube chamber leads to
Road, shell chamber passage end connection bringing-up section offgas duct, burner, the other end are connected with air-introduced machine；The tube chamber passage end connects
Logical circulating fan airduct, other end connection array hot-air mouth；
The array hot-air mouth is separately positioned on the top and two sides of cabinet, and array hot-air mouth is included in rectangle
Empty aerofoil and into the superincumbent tuyere of array distribution.
Further, a kind of continuous annealing furnace Quick pre-heating device, temperature is provided with the bringing-up section offgas duct
Sensor.
Further, a kind of continuous annealing furnace Quick pre-heating device, it is provided with the pipeline of air-introduced machine connection
Temperature sensor.
Further, a kind of continuous annealing furnace Quick pre-heating device, the airduct of the circulating fan connection is interior to be set
There is temperature sensor.
Further, a kind of continuous annealing furnace Quick pre-heating device, the enclosure top are provided with infrared temperature
Sensor, the infrared temperature sensor face strip are set.
The utility model in use, can be added using shell-and-tube heat exchanger to the gas in equipment box
Hot gas, by circulating fan driving cycle, is directly ejected into by heat, the gas of heating in casing by the hot-air mouth of array
On strip, efficient heat exchange is completed；Meanwhile shell-and-tube heat exchanger is also associated with the exhaust pipe of bringing-up section, bringing-up section height is utilized
Warm tail gas reduce further energy consumption, reduce the cost of enterprise.
The beneficial effects of the utility model are：The retracting device is connected with gas heat exchanger, is provided with array hot blast
Spout, the UTILIZATION OF VESIDUAL HEAT IN of production line bringing-up section to preheating section can be reduced energy consumption；The array hot-air mouth set simultaneously can
So that closely hot blast is applied directly on strip, heat exchanger effectiveness is improved；Due to the raising of heat exchange efficiency, it is only necessary to run
One passage, shortens drying tunnel length, reduces floor space.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art.It is clear that drawings in the following description are this realities
With some new embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the positive internal structure schematic diagram of the present embodiment；
Fig. 2 is the lateral inner structural representation of the present embodiment；
In figure, cabinet 1, nip rolls 2, closed chamber 3, circulating fan 4, Other heat exchange devices 5, array hot-air mouth 6, strip 7,
Strip import 11, strip outlet 12, upper roller 21, lower roll 22, exhaust hood 41, airduct 42, shell chamber passage 51, tube chamber passage 52, plus
Hot arc offgas duct 53, burner 54, air-introduced machine 55, hollow aerofoil 61, tuyere 62.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described.Obviously, retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
Embodiment 1:
A kind of continuous annealing furnace Quick pre-heating device, including cabinet 1, nip rolls 2, closed chamber 3, circulating fan 4, gas change
Thermal 5 and array hot-air mouth 6；The cabinet 1 is the horizontal chassis of both ends open, and both ends are respectively strip import 11 and band
Closed chamber 3 is provided with steel outlet 12, the strip import 11 and strip outlet 12, the closed chamber 3 is that nitrogen purging is close
Envelope；The nip rolls 2 is arranged in cabinet 1, is provided with two groups, and every group includes upper roller 21 and lower roll 22, and upper roller 21 is located at lower roll 22
Surface, two groups of horizontal symmetricals of nip rolls 2 are set；Strip 7 is located between upper roller 21 and the lower roll 22 of nip rolls, the circulating fan 4
The top of cabinet 1 is arranged on, is connected by exhaust hood 41 and airduct 42 with Other heat exchange devices 5；The Other heat exchange devices 5 are set
Put at the top of cabinet 1；
The Other heat exchange devices 5 are shell and tube exchanger, and the Other heat exchange devices 5 include shell chamber passage 51 and tube chamber
Passage 52, the one end of shell chamber passage 51 connection bringing-up section offgas duct 53, burner 54, the other end are connected with air-introduced machine 55；The pipe
The one end of chamber passage 52 connection circulating fan airduct 42, other end connection array hot-air mouth 6；
The array hot-air mouth 6 is separately positioned on the top and two sides of cabinet 1, and array hot-air mouth 6 includes square
The hollow aerofoil 61 of shape and into the superincumbent tuyere 62 of array distribution.
Temperature sensor is provided with the bringing-up section offgas duct 53.
Temperature sensor is provided with the pipeline that the air-introduced machine 55 connects.
Temperature sensor is provided with the airduct that the circulating fan 4 connects.
The top of cabinet 1 is provided with infrared temperature sensor, and the infrared temperature sensor face strip 7 is set
Put.
The present embodiment in use, can be heated using shell-and-tube heat exchanger to the gas in equipment box,
Hot gas, by circulating fan driving cycle, directly strip is ejected into by the hot-air mouth of array by the gas of heating in casing
On, complete efficient heat exchange；Meanwhile shell-and-tube heat exchanger is also associated with the exhaust pipe of bringing-up section, bringing-up section high temperature tail is utilized
Gas reduce further energy consumption, reduce the cost of enterprise.
The beneficial effect of the present embodiment is：The retracting device is connected with gas heat exchanger, is provided with the spray of array hot blast
Mouthful, the UTILIZATION OF VESIDUAL HEAT IN of production line bringing-up section to preheating section can be reduced energy consumption；The array hot-air mouth set simultaneously can be with
Hot blast is applied directly on strip closely, improves heat exchanger effectiveness；Due to the raising of heat exchange efficiency, it is only necessary to run one
Individual passage, drying tunnel length is shortened, reduces floor space.
Claims (5)
- A kind of 1. continuous annealing furnace Quick pre-heating device, it is characterised in that：Including cabinet, nip rolls, closed chamber, circulating fan, Other heat exchange devices and array hot-air mouth；The cabinet be both ends open horizontal chassis, both ends be respectively strip import and Strip exports, and the strip import and strip exit are provided with closed chamber, and the closed chamber is nitrogen purging sealing；It is described Nip rolls is arranged in cabinet, is provided with two groups, and every group includes upper roller and lower roll, and upper roller is located at directly over lower roll, two groups of nip rolls water It is flat to be symmetrical arranged；Strip is located between upper roller and the lower roll of nip rolls, and the circulating fan is arranged on enclosure top, passes through exhaust hood It is connected with airduct with Other heat exchange devices；The Other heat exchange devices are arranged on enclosure top；The Other heat exchange devices are shell and tube exchanger, and the Other heat exchange devices include shell chamber passage and tube chamber passage, shell Chamber passage end connection bringing-up section offgas duct, burner, the other end are connected with air-introduced machine；The tube chamber passage end connection circulation Blower fan airduct, other end connection array hot-air mouth；The array hot-air mouth is separately positioned on the top and two sides of cabinet, and array hot-air mouth includes rectangular hollow wind Plate and into the superincumbent tuyere of array distribution.
- 2. continuous annealing furnace Quick pre-heating device as claimed in claim 1, it is characterised in that：In the bringing-up section offgas duct It is provided with temperature sensor.
- 3. continuous annealing furnace Quick pre-heating device as claimed in claim 1, it is characterised in that：The pipe of the air-introduced machine connection Temperature sensor is provided with road.
- 4. continuous annealing furnace Quick pre-heating device as claimed in claim 1, it is characterised in that：The circulating fan connection Temperature sensor is provided with airduct.
- 5. continuous annealing furnace Quick pre-heating device as claimed in claim 1, it is characterised in that：The enclosure top is provided with Infrared temperature sensor, the infrared temperature sensor face strip are set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720811053.0U CN207002813U (en) | 2017-07-05 | 2017-07-05 | A kind of continuous annealing furnace Quick pre-heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720811053.0U CN207002813U (en) | 2017-07-05 | 2017-07-05 | A kind of continuous annealing furnace Quick pre-heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207002813U true CN207002813U (en) | 2018-02-13 |
Family
ID=61453413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720811053.0U Expired - Fee Related CN207002813U (en) | 2017-07-05 | 2017-07-05 | A kind of continuous annealing furnace Quick pre-heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207002813U (en) |
-
2017
- 2017-07-05 CN CN201720811053.0U patent/CN207002813U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180213 |