CN203625439U - Sheet steel rapid heating annealing test furnace - Google Patents
Sheet steel rapid heating annealing test furnace Download PDFInfo
- Publication number
- CN203625439U CN203625439U CN201320573734.XU CN201320573734U CN203625439U CN 203625439 U CN203625439 U CN 203625439U CN 201320573734 U CN201320573734 U CN 201320573734U CN 203625439 U CN203625439 U CN 203625439U
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Abstract
The utility model discloses a sheet steel rapid heating annealing test furnace, relating to a sheet steel heating annealing test furnace and solving the problem that the existing equipment can not realize rapid heating of the sheet steel. The test furnace consists of a push rod drive device, a first furnace section, a second furnace section and a cooling furnace section arranged in turn, wherein a muffle penetrates through the first and second furnace sections and the cooling furnace section and is placed on the furnace racks of the three furnace sections; a guide rail penetrates through the three furnace sections and is mounted on the muffle; the push rod top end of the push rod drive device is aligned with one end of a sheet steel sample, and the sample is pushed to go forward along the guide rail; the first furnace section is a furnace section for performing rapid heating of the sheet steel sample; the second furnace section is a furnace section for performing heat treatment on the sheet steel sample entering the furnace section after rapid heating; the cooling furnace section is a furnace section for cooling the sheet steel sample entering the furnace section after heat treatment; an isolation section is arranged between every two furnace sections. The test furnace can realize rapid heating of the sheet steel sample at a speed of greater than or equal to 100 DEG C per second, realizes a heat treatment function and improves the performance of a product.
Description
Technical field
The utility model relates to a kind of steel sheet heating anneal test furnace, refers in particular to a kind of steel sheet flash annealing test furnace.
Background technology
Rapid heating thermal treatment is significant to the performance that improves steel sheet (thickness <1mm).
At present, have following several to the heat treated equipment of steel sheet rapid heating:
Adopt infrared rays rapid-heating device, example adopts the heating of tungsten filament silica tube, is about 5～13 ℃/sec. for the thick steel band of 0.7mm from the heating rate of room temperature to 800 ℃, but the service requirements of its far can not reach >=100 ℃/sec.;
Adopt alternating-current direct connecting resistance type of heating to carry out rapid heating to steel plate sample; the heating rate of can obtain >=100 ℃/sec.; but its heating is carried out in a cavity; it is single station structure; must first vacuumize; and then the protective atmosphere such as logical nitrogen hydrogen, therefore the quick switching of working gas is difficult to realize, and can not meet heat treatment requirements such as steel sheet carburizing, nitriding, carbonitriding, grain fineness number and texture controls.
Existing traditional heat treatment furnace can not be realized rapid heating, steel plate heating rate general all 30 ℃/below sec.; Crucial heat treatment process parameter, as the sample residence time etc. needs Artificial Control, can cause many artificial uncertainties; Especially more for changes in process parameters, soaking time is in the annealing process of second, is difficult to accomplish to stablize, operation accurately.
Utility model content
The purpose of this utility model is the problem existing in order to overcome prior art, a kind of steel sheet flash annealing test furnace is provided, its be in a kind of can complete simulation steel sheet production from being cold-rolled to finished product thickness (plate thickness <1mm), the mode heating up with rapid heating in different atmosphere heats, the test furnace of insulation and the heat treatment process such as cooling.
The purpose of this utility model is achieved through the following technical solutions:
A kind of steel sheet flash annealing test furnace, it is characterized in that the push rod drive unit that described test furnace is arranged in order by position, the first stove section, the second stove section and cooled furnace segment composition, horse not connects the first stove section, the second stove section and cooled furnace segment are also placed in grate separately of three stove sections (upper, a guide rail runs through three stove sections and is arranged on horse not to be gone up;
Described push rod drive unit is made up of with the push rod being connected with drive sprocket the drive sprocket of translator, one end of the steel sheet sample (3) on guide rail (8) is aimed on the top of push rod (2), promote steel sheet sample (3) and advance, it is arranged on the extension of the first stove section grate;
Described the first stove section is the stove section of steel sheet sample being carried out to rapid heating, and it comprises:
Electrode rapid heating furnace is the process furnace that by pair of electrodes, steel sheet sample is carried out rapid heating;
Lift cylinder, is arranged on the grate of the first stove section, puts in the sample table on steel sheet sample in this stove section a pair of lifting top rod in lift cylinder, and described horse is not respectively equipped with jogger hole with guide rail and this intersection to lifting top rod;
Several tuyeres, are placed on the furnace wall of described electrode rapid heating furnace and communicate with burner hearth, spray into shielding gas by it in burner hearth;
Described the second stove section is the stove section that the steel sheet sample to entering this stove section after rapid heating is heat-treated, and it comprises:
Heat treatment furnace, the process furnace that steel sheet sample is heat-treated;
Stainless steel airway, the horse being welded in this stove section not goes up and is not communicated with horse, carries out the gas of nitriding or carburizing or carbonitriding by it to Ma Funei importing shielding gas and importing;
Cooled furnace segment, is that the steel sheet sample to after heat treatment entering this stove section carries out cooling stove section, and it comprises:
Gas ejector pipe, the horse being welded in this stove section not goes up and is not communicated with horse, sprays cooling gas by it to steel sheet sample;
Between the end of the first stove section and cooled furnace segment and each stove section, distance piece is set, the horse that each distance piece refers at correspondence position not goes up perforate and arranges the siphunculus of a chimney-like, and siphunculus top arranges aura device.
On the furnace shell of described the first stove section, an infrared board Wen Yi who measures temperature in steel sheet sample rapid heating process is installed.
In described the first stove section, several tuyeres are N to the shielding gas spraying in burner hearth
2or H
2or N
2+ H
2.
Described heat treatment furnace is the process furnace as heating unit with globars.
The shielding gas that in described the second stove section, stainless steel airway imports to Ma Funei is N
2or H
2or N
2+ H
2;
The gas that carries out nitriding or carburizing or carbonitriding that in described the second stove section, stainless steel airway imports to Ma Funei is NH
3or CH
4, wherein: NH
3for ammonia, be the gas of nitriding or carbonitriding; CH
4for methane, be the gas of carburizing or carbonitriding.
The cooling gas that in described cooled furnace segment, gas ejector pipe sprays to steel sheet sample is N
2or N
2with H
2mixed gas.
Described horse is not the tank body of a square-section, and its material is INCONEL or stainless refractory steel.
Described guide rail material is INCONEL or stainless refractory steel.
The beneficial effects of the utility model:
The rapid heating of not only can realize steel sheet >=100 ℃/sec. of this flash annealing test furnace; and can realize the accurate control of atmosphere and switch fast; need high temperature, the high hydrogen of high humidity to contain the test of ammonia protective atmosphere; possess the thermal treatment functions such as carburizing, nitriding, carbonitriding, grain fineness number and texture control, improved the performance of product.
For further illustrating above-mentioned purpose of the present utility model, constructional feature and effect, below with reference to accompanying drawing, the utility model is elaborated.
Accompanying drawing explanation
Fig. 1 is steel sheet flash annealing test furnace structural representation of the present utility model;
Fig. 2 is the state graph that in Fig. 1, test furnace carries out rapid heating to steel sheet sample;
Fig. 3 is that the steel sheet sample in Fig. 2 is carried out the state graph declining after rapid heating;
Fig. 4 is the state graph that pushes another stove section after the steel sheet sample in Fig. 3 is lowered by.
Embodiment
Accompanying drawing below in conjunction with embodiment is elaborated to embodiment of the present utility model.
The structure of steel sheet flash annealing test furnace of the present utility model is referring to Fig. 1, and it comprises:
As Fig. 1, push rod drive unit 100, the first stove section 210, the second stove section 220 and cooled furnace segment 300 that steel sheet flash annealing test furnace is arranged in order by position form, horse not 10 connects the first stove section 210, the second stove section 220 and cooled furnace segments 300 and is placed on three stove sections grate 141,142,143 separately, and the horse that guide rail 8 runs through three stove sections and is arranged on perforation is not on 10.Introduce in detail the structure of this test furnace below.
Push rod drive unit 100, formed with the push rod 2 being connected with drive sprocket 1 by the drive sprocket 1 of translator, one end of the steel sheet sample 3 on guide rail 8 is aimed on the top of push rod 2, promote steel sheet sample 3 and advance, push rod drive unit 100 is arranged on the extension 140 of the first stove section 210 grates 141.
The first stove section 210, is the stove section of steel sheet sample 3 being carried out to rapid heating, and it comprises:
Electrode rapid heating furnace 5, is the process furnace being heated by pair of electrodes 51, and steel sheet sample 3 direct-electrifyings are carried out to resistive heating, makes steel sheet sample 3 realize the rapid heating (～200 ℃/sec.) from room temperature to 1150 ℃;
Infrared board temperature instrument 6, is arranged on the furnace shell 131 of the first stove section 210, is used for measuring the temperature in steel sheet sample 3 rapid heating processes;
The second stove section 220, be steel sheet sample 3(to entering this stove section after rapid heating as shown in Figure 4, on guide rail 8, promoted steel sheet sample 3 by push rod drive unit 100 and push the second stove section from the first stove section) be incubated, the heat treated stove section that realizes carburizing, nitriding, carbonitriding, grain fineness number control, it comprises:
Heat treatment furnace 11, is the process furnace as heating unit with globars 111, the steel sheet sample of rapid heating is incubated, by regulating this furnace atmosphere and the atmosphere residence time can realize the thermal treatment of carburizing, nitriding, carbonitriding, grain fineness number control;
Stainless steel airway (not shown), is welded on horse in this stove section and not on 10 and with horse, not 10 is communicated with, by stainless steel airway to not 10 interior importing shielding gas (N of horse
2or H
2or N
2+ H
2deng) and import the gas that carries out nitriding or carburizing or carbonitriding (as NH
3or methane, wherein NH
3, i.e. ammonia, for nitriding or carbonitriding; Methane, i.e. CH4, for carburizing or carbonitriding).
Cooled furnace segment 300, is that the steel sheet sample 3 to after heat treatment entering this stove section carries out cooling stove section (promoted steel sheet sample 3 by push rod drive unit 100 and push cooled furnace segment from the second stove section on guide rail 8), and it comprises:
Between the end of the first stove section 210 and cooled furnace segment 300 and each stove section, distance piece 70-73 is set, make the gas isolating between stove section, the horse that each distance piece refers at correspondence position not on 10 perforate the siphunculus of a chimney-like is set, because the atmosphere pressures in this is lower, the gas of stove section all flows to herein, and siphunculus top arranges aura device by the H discharging
2, NH
3, the inflammable gas ignition such as methane falls.
Described horse is 10 metal cans as a square-section not, and sectional dimension is because of stove Duan Eryi, and its material is generally INCONEL or stainless refractory steel.
Described guide rail 8 plays a part to support steel sheet sample 3, and its material is generally INCONEL or stainless refractory steel.
Reference numeral 132,133 in Fig. 1 is respectively the furnace shell of the second stove section 220 and cooled furnace segment 300
The operating method of this test furnace is described as follows: as Fig. 1, lift cylinder 4 is in the time of extreme lower position, and the driving push rod 2 of push rod drive unit 1 pushes steel sheet sample 3, be put in the sample table with lift cylinder one.After this, lift cylinder rises sample is pressed onto on electrode 51 and carries out direct-electrifying rapid heating, and the actual temperature of steel sheet sample 3 is measured (as shown in Figure 2) by infrared board temperature instrument 6.Steel sheet sample 3 carries out rapid heating or heating, after insulation for some time, fast-descending arrives the starting position before heating, contacts (as shown in Figure 3) with guide rail 8.Then, push rod is shifted this sample onto next holding furnace section and is heat-treated (see figure 4).
Those of ordinary skill in the art will be appreciated that, above embodiment is only for the purpose of this utility model is described, and not with opposing restriction of the present utility model, as long as in essential scope of the present utility model, variation, modification to the above embodiment all will drop in the scope of claim of the present utility model.
Claims (8)
1. a steel sheet flash annealing test furnace, it is characterized in that the push rod drive unit (100) that described test furnace is arranged in order by position, the first stove section (210), the second stove section (220) and cooled furnace segment (300) composition, horse not (10) connects the first stove section (210), and the second stove section (220) and cooled furnace segment (300) are also placed in three stove sections grate (141,142 separately, 143) upper, a guide rail (8) runs through three stove sections and is arranged on horse not on (10);
Described push rod drive unit (100) is made up of with the push rod (2) being connected with drive sprocket (1) the drive sprocket (1) of translator, one end of the steel sheet sample (3) on guide rail (8) is aimed on the top of push rod (2), promote steel sheet sample (3) and advance, it is arranged on the extension (140) of the first stove section (210) grate (141);
Described the first stove section (210) is the stove section of steel sheet sample (3) being carried out to rapid heating, and it comprises:
Electrode rapid heating furnace (5) is the process furnace that by pair of electrodes (51), steel sheet sample (3) is carried out rapid heating;
Lift cylinder (4), be arranged on the grate (141) of the first stove section (210), put in the sample table on steel sheet sample (3) in this stove section a pair of lifting top rod in lift cylinder (4), described horse not (10) is respectively equipped with jogger hole (81) with guide rail (8) with this intersection to lifting top rod;
Several tuyeres (9), are placed on the furnace wall of described electrode rapid heating furnace (5) and communicate with burner hearth, spray into shielding gas by it in burner hearth;
Described the second stove section (220) is the stove section that the steel sheet sample (3) to entering this stove section after rapid heating is heat-treated, and it comprises:
Heat treatment furnace (11), the process furnace that steel sheet sample (3) is heat-treated;
Stainless steel airway, be welded on horse in this stove section not (10) upper and with horse not (10) is communicated with, by its to horse not in (10) importing shielding gas and importing carry out the gas of nitriding or carburizing or carbonitriding;
Cooled furnace segment (300), is that the steel sheet sample (3) to after heat treatment entering this stove section carries out cooling stove section, and it comprises:
Gas ejector pipe (12), be welded on horse in this stove section not (10) upper and with horse not (10) is communicated with, by it to steel sheet sample (3) injection cooling gas;
Between the end of the first stove section (210) and cooled furnace segment (300) and each stove section, distance piece (70 is set, 71,72,73), the horse that each distance piece refers at correspondence position not (10) upper perforate arranges the siphunculus of a chimney-like, and siphunculus top arranges aura device.
2. steel sheet flash annealing test furnace as claimed in claim 1, is characterized in that:
Furnace shell (131) in described the first stove section (210) is upper, and an infrared board Wen Yi (6) who measures temperature in steel sheet sample (3) rapid heating process is installed.
3. steel sheet flash annealing test furnace as claimed in claim 1, is characterized in that:
In described the first stove section (210), several tuyeres (9) are N to the shielding gas spraying in burner hearth
2or H
2or N
2+ H
2.
4. steel sheet flash annealing test furnace as claimed in claim 1, is characterized in that:
Described heat treatment furnace (11) is the process furnace as heating unit with globars (111).
5. steel sheet flash annealing test furnace as claimed in claim 1, is characterized in that:
Shielding gas that stainless steel airway not imports in (10) to horse in described the second stove section (220) is N
2or H
2or N
2+ H
2;
Gas that carries out nitriding or carburizing or carbonitriding that stainless steel airway not imports in (10) to horse in described the second stove section (220) is NH
3or CH
4, wherein: NH
3for ammonia, be the gas of nitriding or carbonitriding; CH
4for methane, be the gas of carburizing or carbonitriding.
6. steel sheet flash annealing test furnace as claimed in claim 1, is characterized in that:
The cooling gas that in described cooled furnace segment (300), gas ejector pipe (12) sprays to steel sheet sample (3) is N
2or N
2with H
2mixed gas.
7. steel sheet flash annealing test furnace as claimed in claim 1, is characterized in that:
Described horse not (10) is the tank body of a square-section, and its material is INCONEL or stainless refractory steel.
8. steel sheet flash annealing test furnace as claimed in claim 1, is characterized in that:
Described guide rail (8) material is INCONEL or stainless refractory steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320573734.XU CN203625439U (en) | 2013-09-16 | 2013-09-16 | Sheet steel rapid heating annealing test furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320573734.XU CN203625439U (en) | 2013-09-16 | 2013-09-16 | Sheet steel rapid heating annealing test furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203625439U true CN203625439U (en) | 2014-06-04 |
Family
ID=50811932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320573734.XU Expired - Lifetime CN203625439U (en) | 2013-09-16 | 2013-09-16 | Sheet steel rapid heating annealing test furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203625439U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104726686A (en) * | 2015-03-31 | 2015-06-24 | 中冶华天工程技术有限公司 | Novel discharge pusher for pusher-type heating furnaces |
| CN105907935A (en) * | 2016-06-03 | 2016-08-31 | 太仓市沪太热处理厂 | Thermal processing process for metal workpiece |
| CN106123573A (en) * | 2016-07-20 | 2016-11-16 | 芜湖东旭光电科技有限公司 | Siliconit erecting device |
| CN107889519A (en) * | 2015-01-09 | 2018-04-06 | 伊利诺斯工具制品有限公司 | For being heat-treated the resistive heating system in column and method of continuous conduction product |
| CN110438439A (en) * | 2019-08-30 | 2019-11-12 | 武汉钢铁有限公司 | The adjustable nitriding device in atmosphere zones and its continuous gas nitridation process |
-
2013
- 2013-09-16 CN CN201320573734.XU patent/CN203625439U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107889519A (en) * | 2015-01-09 | 2018-04-06 | 伊利诺斯工具制品有限公司 | For being heat-treated the resistive heating system in column and method of continuous conduction product |
| US11231229B2 (en) | 2015-01-09 | 2022-01-25 | Illinois Tool Works Inc. | Inline resistive heating system and method for thermal treatment of continuous conductive products |
| CN104726686A (en) * | 2015-03-31 | 2015-06-24 | 中冶华天工程技术有限公司 | Novel discharge pusher for pusher-type heating furnaces |
| CN105907935A (en) * | 2016-06-03 | 2016-08-31 | 太仓市沪太热处理厂 | Thermal processing process for metal workpiece |
| CN106123573A (en) * | 2016-07-20 | 2016-11-16 | 芜湖东旭光电科技有限公司 | Siliconit erecting device |
| CN106123573B (en) * | 2016-07-20 | 2018-07-27 | 芜湖东旭光电科技有限公司 | Elema mounting device |
| CN110438439A (en) * | 2019-08-30 | 2019-11-12 | 武汉钢铁有限公司 | The adjustable nitriding device in atmosphere zones and its continuous gas nitridation process |
| CN110438439B (en) * | 2019-08-30 | 2021-03-19 | 武汉钢铁有限公司 | Atmosphere region adjustable nitriding device and continuous gas nitriding process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |
|
| CX01 | Expiry of patent term |