CN205710885U - The device of stable alloy stove in-furnace temperature - Google Patents
The device of stable alloy stove in-furnace temperature Download PDFInfo
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- CN205710885U CN205710885U CN201620567485.7U CN201620567485U CN205710885U CN 205710885 U CN205710885 U CN 205710885U CN 201620567485 U CN201620567485 U CN 201620567485U CN 205710885 U CN205710885 U CN 205710885U
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- circulating line
- soaking zone
- temperature
- liberation port
- high temperature
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Abstract
The utility model discloses the device of a kind of stable alloy stove in-furnace temperature, including being symmetricly set in the circulating line of soaking zone both sides in the middle part of alloying furnace and being positioned at the liberation port of middle part soaking zone Way in and be positioned at the pump orifice in soaking zone inner outlet direction, middle part, high temperature circulation blower fan it is provided with in circulating line, the top of circulating line is connected with pump orifice, the bottom of circulating line is connected with liberation port, is additionally provided with corrugated tube between bottom and the liberation port of circulating line.This utility model ensures the process conditions of " low temperature after first high temperature ", and the hot-air of suction turns again to soaking zone entrance, and " high temperature after first low temperature " that former quick dissipation caused becomes " low temperature after first high temperature "；Heat convection is utilized effectively to overcome the problem that the former alloying soaking zone internal resistance band radiation efficiency of heating surface is low.Program technology is simple, changes little to field apparatus, puts into and saves, it is also possible to selectivity puts into, and does not put into and will not have a negative impact functions of the equipments.
Description
Technical field
This utility model relates to hot-dip galvanized alloy band steel making field, in particular to temperature in a kind of stable alloy stove stove
The device of degree.
Background technology
Hot-dip galvanized alloy steel plate is because of its preferable decay resistance, coating performance, welding performance and shock resistance, non-
Often it is suitably applied the high-grade galvanizing product consumption industry such as automobile, household electrical appliances, it is possible to meet user to product high-quality surface characteristic
Prescription with good internal performance.
At present, the alloying furnace many employings vertical form in commercial Application, stove is positioned at air knife and just goes up as shown in Figure 1
Side.Being respectively disposed with bottom-heated section 1, middle part soaking zone 2 and top cooling section 3 in air knife upward direction, every section of temperature is all
Need to follow annealing process curve and rate request (i.e. temperature retention time).Middle part soaking zone 2 both ends open makes strip steel 10 pass through,
It is internally installed resistor heater, for the insulation of strip steel 10, completes the alloying annealing process of strip steel 10.Strip steel closes
The initial temperature of aurification annealing is zinc liquid about 460 DEG C in zinc pot, then heats through bottom-heated section, reaches 500～530 DEG C of left sides
Soaking zone keep a period of time, to obtain preferable alloying layer in the middle part of right entrance.
But, affected by the alloying furnace " stack effect " of vertical, though intact at stove integral sealing
In the case of, heat the most easily dissipates from top, and lower end is then entered by cold air and supplements, and its harm is mainly reflected in two sides
Face: one, whole technical process cannot meet the requirement of " low temperature after first high temperature ", and quality can not be stablized；Two, the quick dissipation of heat
Cannot guarantee that soaking zone outlet is maintained at the technological temperature of 500～530 DEG C, holding temperature only about 400 DEG C, completely cannot sometimes
Smoothly complete the alloying of galvanizing product.Simultaneously as in alloying process, strip substrate has plated one layer bright
Zinc layers so that the energy major part of the radiant heating pattern of resistor is reflected, and heat is not transmitted on galvanized steel plain sheet,
Weaken the soaking zone supportability to strip steel alloying temperature further, it is necessary to use new technology that the temperature of soaking zone is entered
Row effective compensation.Chimney can be suppressed to a certain extent to imitate although be disposed with air seal set 9 in soaking zone exit position, middle part
The rising answered, but, the thing followed is possible to cause being further exacerbated by of strip steel shake amplitude, deteriorates alloying not further
Equal problem.
Alloying process is owing to by temperature fluctuations affect, causing alloying uneven phenomenon serious, and anti-powdering characteristic is poor
Series of problems, affects huge on the lumber recovery of alloying product.
Summary of the invention
The purpose of this utility model is the technological requirement meeting above alloying furnace soaking zone " low temperature after first high temperature " exactly,
The furnace temperature improving and stablizing soaking zone makes it meet the thermal requirements of alloying process, reduces trembling in strip steel alloying process
Dynamic, and the device of a kind of stable alloy stove in-furnace temperature is proposed, compensate substitutional resistance band radiant heating pattern by Convective Heating,
Reduce the soaking zone heat caused because of stack effect to scatter and disappear and resistor heat reflection loss.
For achieving the above object, the device of the stable alloy stove in-furnace temperature designed by this utility model, its special it
Place is, including being symmetricly set in the middle part of alloying furnace the circulating line of soaking zone both sides and being positioned at soaking zone entrance side, middle part
To liberation port and be positioned at middle part soaking zone inner outlet direction pump orifice, be provided with high temperature circulation wind in described circulating line
Machine, the top of described circulating line is connected with pump orifice, and the bottom of described circulating line is connected with liberation port, described circulating line
Bottom and liberation port between be additionally provided with corrugated tube.
Further, in described circulating line, it is provided with heat-insulation layer, advantageously reduces the thermal loss of the thermal current of suction.
Further, described liberation port is bell-shaped nozzle so that thermal current slowly discharges, and reduces thermal current and discharged
The shake of Cheng Yinqi.
Further, described pump orifice is narrow orifice shape nozzle so that thermal current quickly sucks, and reduces the heat of thermal current
Loss.
Further, the Way out of described liberation port is strip steel direction dorsad, is used for reducing thermal current release process
The shake caused.
The utility model has the advantage of: the technical program can solve two subject matters in alloying process, one
Being the process conditions ensureing " low temperature after first high temperature ", the hot-air of suction turns again to soaking zone entrance, former quick dissipation is led
" high temperature after first low temperature " that causes becomes " low temperature after first high temperature "；Another is to utilize heat convection effectively to overcome former alloying to protect
The problem that the temperature section internal resistance band radiation efficiency of heating surface is low.Program technology is simple, changes little to field apparatus, puts into and saves, also may be used
Put into selectivity, do not put into and functions of the equipments will not be had a negative impact.
Accompanying drawing explanation
Fig. 1 is alloying furnace arrangement form schematic diagram.
Fig. 2 is main TV structure schematic diagram of the present utility model.
In figure: bottom-heated section 1, middle part soaking zone 2, top cooling section 3, liberation port 4, circulating line 5, pump orifice 6 is high
Temperature circulating fan 7, corrugated tube 8, air seal set 9, strip steel 10.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.
As in figure 2 it is shown, the device of this utility model stable alloy stove in-furnace temperature, including being symmetricly set in alloying furnace
The circulating line 5 of soaking zone 2 both sides, middle part and be positioned at the liberation port 4 of middle part soaking zone 2 Way in and be positioned at middle part and protect
The pump orifice 6 in temperature section 2 inner outlet direction.Circulating line 5 is the pipeline with heat-insulation layer.It is provided with high temperature in circulating line 5 to follow
Ring blower fan 7.The top of circulating line 5 is connected with pump orifice 6, and pump orifice 6 is narrow orifice shape nozzle.The bottom of circulating line 5 with release
Putting mouth 4 to connect, liberation port 4 is bell-shaped nozzle.The Way out of liberation port 6 is strip steel 10 direction dorsad.Circulating line 5 times
Corrugated tube 8 it is additionally provided with between portion and liberation port 4.
Cannot keep for alloying furnace internal heat, the inefficient situation of strip steel heating and thermal insulation, this utility model in
Portion's soaking zone 2 sets up a set of circulation of hot gases device being arranged symmetrically with along strip steel 10 traffic direction, line centered by strip steel 10,
It is arranged symmetrically with the circulating line 5 of liberation port 4, band heat-insulation layer, and pump orifice 6, forms high-temperature hot steam circulation system.By suction
The hot gas quickly dissipated is collected by mouth 6, is directed to the entry position of middle part soaking zone 2 through high temperature circulation blower fan 7, again
Participation thermal convection current is dispelled the heat, thus is internally formed an amount of localized heat race way at middle part soaking zone 2.Utilize suction Circulation
By returning to middle part soaking zone 2 entrance because of " stack effect " from the heat collection of outlet quickly dissipation, make simple single heat
Quickly dissipation become repeatedly to the Convective Heating of strip steel (owing to heat convection has than the minute surface higher thermal effect of heat radiation heat exchange
Rate), make up the underheat that resistor radiation reflective causes, the circulation insulation effect of soaking zone 2 in the middle part of reinforcement.For reducing high temperature
The furnace pressure fluctuation that circulating fan 7 aspiration procedure causes, arranges corrugated tube 8 and forms ripple deceleration in middle part soaking zone 2 entry position
Pipeline, makes the hot gas drawn at a high speed slowly discharge in stove.Liberation port 4, towards side, furnace wall, reduces gas fast further
The furnace pressure that speed motion causes fluctuates and causes the vibration of strip steel 10, prevents blood circulation from strip steel 10 shake is produced harmful effect.
For the flow distortion preventing air-flow from causing in wedge angle position, (particularly exit position, is disposed with sealing gland to cause strip steel 10 to be shaken
Device 9, air motion is increasingly complex), the location arrangements of pump orifice 6 and liberation port 4 in the position away from soaking zone inlet/outlet, with
Gas turbulence is avoided to cause mechanical vibration.
Claims (5)
1. the device of a stable alloy stove in-furnace temperature, it is characterised in that: include being symmetricly set in and protect in the middle part of alloying furnace
The temperature circulating line (5) of section (2) both sides and in the middle part of being positioned at the liberation port (4) of middle part soaking zone (2) Way in and being positioned at
The pump orifice (6) in soaking zone (2) inner outlet direction, is provided with high temperature circulation blower fan (7) in described circulating line (5), described in follow
The top in endless tube road (5) is connected with pump orifice (6), and the bottom of described circulating line (5) is connected with liberation port (4), described circulation
It is additionally provided with corrugated tube (8) between bottom and the liberation port (4) of pipeline (5).
The device of stable alloy stove in-furnace temperature the most according to claim 1, it is characterised in that: described circulating line
(5) heat-insulation layer it is provided with in.
3. according to the device of the stable alloy stove in-furnace temperature described in claims 1 or 2, it is characterised in that: described release
Mouth (4) is bell-shaped nozzle.
4. according to the device of the stable alloy stove in-furnace temperature described in claims 1 or 2, it is characterised in that: described suction
Mouth (6) is narrow orifice shape nozzle.
The device of stable alloy stove in-furnace temperature the most according to claim 3, it is characterised in that: described liberation port (4)
Way out be strip steel (10) direction dorsad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620567485.7U CN205710885U (en) | 2016-06-13 | 2016-06-13 | The device of stable alloy stove in-furnace temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620567485.7U CN205710885U (en) | 2016-06-13 | 2016-06-13 | The device of stable alloy stove in-furnace temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205710885U true CN205710885U (en) | 2016-11-23 |
Family
ID=57301974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620567485.7U Active CN205710885U (en) | 2016-06-13 | 2016-06-13 | The device of stable alloy stove in-furnace temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205710885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106893971A (en) * | 2017-04-20 | 2017-06-27 | 华能国际电力股份有限公司 | A kind of online alloyage process in metallic conduit surface and device |
-
2016
- 2016-06-13 CN CN201620567485.7U patent/CN205710885U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106893971A (en) * | 2017-04-20 | 2017-06-27 | 华能国际电力股份有限公司 | A kind of online alloyage process in metallic conduit surface and device |
| CN106893971B (en) * | 2017-04-20 | 2023-08-11 | 华能国际电力股份有限公司 | Online alloying method and device for metal pipeline surface |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170626 Address after: 430083, Hubei Wuhan Qingshan District Factory No. 2 Gate joint stock company organs Patentee after: Wuhan iron and Steel Company Limited Address before: 430083 Qingshan District, Hubei, Wuhan Patentee before: WUHAN IRON AND STEEL CORPORATION |