CN106399661A - Vertical-type strip steel jet heat treatment device and method - Google Patents
Vertical-type strip steel jet heat treatment device and method Download PDFInfo
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- CN106399661A CN106399661A CN201510462145.8A CN201510462145A CN106399661A CN 106399661 A CN106399661 A CN 106399661A CN 201510462145 A CN201510462145 A CN 201510462145A CN 106399661 A CN106399661 A CN 106399661A
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Abstract
The invention relates to the field of continuous heat treatment of a cold rolled steel strip, particularly to a vertical-type strip steel heat treatment device and method. The vertical-type strip steel jet heat treatment device are provided with a pre-heating section, a heating section, a soaking section, a slow cooling section, a rapid cooling section, an overaging section and a final cooling section in sequence in a steel strip moving direction. The pre-heating section, the heating section, the soaking section, the slow cooling section, the rapid cooling section, the overaging section and the final cooling section are filled with protective gas, and heat exchange is directly performed between the steel strip and the protective gas. The protective gas in two adjacent sections is insulated with a hermetically-sealed device. According to the vertical-type strip steel heat treatment method, direct heat exchange between the steel strip and the protective gas is carried out all the time during a heat treatment process. According to the device and method, the steel strip is located in mixed protective gas all the time, residual heat from flue gas of radiant pipes is fully utilized, and rapid, uniform, efficient heating and cooling of the steel strip are achieved in a situation that the surface quality of the steel strip is ensured. Energy conservation and emission reduction is achieved, the length of a furnace is reduced, and the apparatus and method has bright popularization prospects in continuous annealing and hot galvanizing units.
Description
Technical field
The present invention relates to cold-strip steel continuous heat field, more particularly, to a kind of vertical belt annealing device and method.
Background technology
Middle and high end cold-rolled steel strip products typically adopt vertical continuous annealing furnace at present, and furnace atmosphere is N2 and H2 hybrid protection gas.Fig. 1 is existing typical case's continuous heat treating furnace schematic diagram.Technology for Heating Processing section by strip steel 1 traffic direction from left to right mainly by preheating section 2, bringing-up section 3, soaking zone 4, slow cooling section 5, rapid cooling section 6, overaging section 7, eventually cold section 8 etc. form.Wherein, preheating section has direct flame heating and smoke pre-heating two ways；Bringing-up section substantially adopts radial canal radiant heating pattern under N2 and H2 hybrid protection gas；Soaking zone has radial canal radiation soaking or resistance two kinds of soaking of radiation；Slow cooling section generally adopts the shielding gas jet cooling of low speed；Rapid cooling section has the modes such as water quenching, water smoke cooling and high speed jet cooling；Overaging section carries out radiating concurrent heating and insulation using resistance radiation；The cold section of type of cooling is mainly Water spray cooling eventually.
It is primarily present following shortcoming in above-mentioned processing route：
1) preheating section adopts direct flame heating or smoke pre-heating; due to combustion product and belt steel surface direct contact heat transfer; on the one hand belt steel surface can be caused to aoxidize; in another aspect combustion product, dirt is easily deposited on belt steel surface; additionally due to subsequent heat section is shielding gas environment; the intersegmental seal request of the atmosphere infiltration subsequent heat section of preheating section therefore to be prevented, preheating section and subsequent heat is very high.
2) strip steel mainly heats by the radiant heat of radial canal in radiant heating area, and firing rate is slow, and heat time heating time is long, needs to take very long stove section；And due to the impact of the factors such as heated component structure, arrangement and equipment safety, heating uniformity is poor；
3) rapid cooling zone adopts the cooling of the wet type such as water quenching or water smoke it is difficult to control plate shape, and subsequently also needs to cleaning surface of strip steel operation, otherwise can affect strip surface quality.
Content of the invention
The technical problem to be solved is to provide a kind of vertical belt jet annealing device and method, and in heat treatment process, strip steel is constantly in protective atmosphere, and strip steel only carries out direct heat exchange with shielding gas.In bringing-up section and soaking zone, after radial canal heating hybrid protection gas, with nozzle, the hybrid protection gas blowout after heating is blown to belt steel surface again and realize the heating to strip steel, both enabled uniform heat exchange, it is avoided that the high strip steel of the brightness defect low to radiant heat absorbent efficiency again, in addition, it is used further to preheating section and the heating operation of overaging section after the heat smoke heat exchange discharged with radial canal with hybrid protection gas, both saved the energy, turn avoid strip steel in the surface oxidation of preheating section and dirt accumulation, and take full advantage of the fume afterheat of radial canal, realize quick in the case of ensureing strip surface quality, the heating of uniform high-efficiency ground and cooling strip steel, energy-saving and emission-reduction, reduce furnace length, there is wide promotion prospect in continuous annealing and continuous galvanizing line.
The present invention is realized in：A kind of vertical belt jet annealing device; preheating section, bringing-up section, soaking zone, slow cooling section, rapid cooling section, overaging section and cold section eventually is sequentially arranged by strip steel traffic direction in body of heater; described preheating section, bringing-up section, soaking zone, slow cooling section, rapid cooling section, overaging section and cold section eventually; it is each filled with shielding gas; strip steel only carries out direct heat exchange with shielding gas, and the shielding gas gas check in adjacent two sections completely cuts off.
Described preheating section, bringing-up section, soaking zone, slow cooling section, rapid cooling section, overaging section and eventually in cold section, have all been uniformly arranged jet bellows, the fumarole of described jet bellows sprays shielding gas towards strip steel realizes the heat exchange to strip steel around strip steel.
It is provided with circulating fan and Heat Room, strip steel runs in burner hearth in described bringing-up section and soaking zone；Described heat exchange interior is provided with radial canal, and radial canal heats to shielding gas；Shielding gas series connection around Heat Room, jet bellows and strip steel is become by circulating air road by circulating fan；The motion path of shielding gas be Heat Room->Jet bellows->Shielding gas around strip steel->Circulating fan->Heat Room.
Described preheating section 2 and overaging section 7 each are equipped with circulating fan 10 and gas-gas heat exchanger 13, and circulating fan 10 drives shielding gas circulation, and shielding gas circulating path is gas-gas heat exchanger 13->Jet bellows 9->Shielding gas around strip steel 1->Circulating fan 10->Gas-gas heat exchanger 13, the heat transferring medium import of described gas-gas heat exchanger 13 is connected with the exhaust opening of radial canal 11 by pipeline, and the heat transferring medium outlet of gas-gas heat exchanger 13 is connected with waste gas discharge pipeline 14 by pipeline.
Described slow cooling section, rapid cooling section and whole cold section each are equipped with air-water heat exchanger, and air-water heat exchanger is cooled down to the gas in circulation gas circuit using the cooling water of circulation；Shielding gas after cooling sprays cold airflow after jet bellows and carries out spray cooling to strip steel.
A kind of vertical belt jet heat treatment method; sequentially pass through preheating section, bringing-up section, soaking zone, slow cooling section, rapid cooling section, overaging section and cold section eventually during strip steel carries out heat treatment, make strip steel only carry out direct heat exchange with shielding gas all the time in heat treatment process；In bringing-up section and soaking zone; with radial canal heated protective gas; again with the hybrid protection gas blowout after heating to the surface of strip steel, realize the heating to strip steel, waste heat heating for preheating section and overaging section after gas-gas heat exchanger with shielding gas heat exchange of the flue gas of radial canal discharge；Shielding gas in slow cooling section, rapid cooling section and whole cold section cools down to strip steel after air-water heat exchanger is using the cooling water cooling of circulation.
Vertical belt jet annealing device of the present invention and method heat after hybrid protection gas using radial canal; again the hybrid protection gas blowout after heating is blown to by belt steel surface by nozzle and realize the heating to strip steel; because gas nozzle is much smaller with respect to band steel dimensions; being capable of reasonable Arrangement nozzle; ensure Thermal protection gas can after nozzle sprays uniform Ground shock waves belt steel surface; both enabled uniform heat exchange; it is avoided that the low strip steel of the blackness defect low to heat radiation adsorption efficiency it is achieved that quick, uniform heating to high-quality strip steel again；In addition, with the heating operation for preheating section and overaging section after the heat smoke of hybrid protection gas and radial canal discharge again heat exchange, both having saved the energy, turn avoid strip steel in the surface oxidation of preheating section and dirt accumulation, improve the quality of strip steel；
Additionally, in the present invention, slow cooling section, rapid cooling section, eventually in cold section using jet cooling, cooling medium is nitrogen hydrogen hybrid protection atmosphere.At slow cooling section and cold section of end, because rate of cooling is less demanding, technological requirement can be very economically realized in jet cooling, and in rapid cooling section, the coefficient of heat transfer using high speed jet cooling can reach 800W/m2.K, rate of cooling also can achieve 100 DEG C/s（1mm steel plate）, have been able to meet the needs producing the products such as high-strength steel from the angle of technique, and be avoided that the impact to strip shape quality for the water-cooled；
Generally speaking; this vertical belt jet annealing device and method make strip steel be in all the time in hybrid protection atmosphere; and take full advantage of the fume afterheat of radial canal; realize heating in the case of ensureing strip surface quality quickly, uniform high-efficiency and cool down strip steel; energy-saving and emission-reduction; reduce furnace length, have wide promotion prospect in continuous annealing and continuous galvanizing line.
Brief description
Fig. 1 is existing typical case's continuous heat treating furnace schematic diagram；
Fig. 2 is the structural representation of vertical belt jet annealing device of the present invention；
Fig. 3 is vertical belt jet annealing device media technology schematic flow sheet of the present invention；
Fig. 4 is the shielding gas circulation schematic diagram of bringing-up section and soaking zone in the present invention；
Fig. 5 is the shielding gas circulation schematic diagram of preheating section and overaging section in the present invention；
Fig. 6 is the shielding gas circulation schematic diagram of slow cooling section in the present invention, rapid cooling section and whole cold section.
In figure：1 strip steel, 2 preheating sections, 3 bringing-up sections, 4 soaking zones, 5 slow cooling sections, 6 rapid cooling sections, 7 overaging sections, 8 cold section of ends, 9 jet bellows, 10 circulating fans, 11 radial canals, 12 high-temperature flue gas arms, 13 gas-gas heat exchangers, 14 waste gas discharge pipelines, 15 flow control valves, 16 air-water heat exchangers, 17 bodies of heater, 18 Heat Rooms, 19 burner hearths, 20 exhaust smoke valves, 21 cold wind branch roads, 22 chimneys.
Specific embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are only illustrative of the invention and is not intended to limit the scope of the invention.In addition, it is to be understood that after having read the content of present invention statement, those skilled in the art can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims limited range.
Embodiment 1
As shown in Figure 2,3; a kind of vertical belt jet annealing device; preheating section 2, bringing-up section 3, soaking zone 4, slow cooling section 5, rapid cooling section 6, overaging section 7 and cold section 8 eventually is sequentially arranged by strip steel 1 traffic direction in body of heater 17; described preheating section 2, bringing-up section 3, soaking zone 4, slow cooling section 5, rapid cooling section 6, overaging section 7 and cold section 8 eventually; it is each filled with shielding gas; strip steel 1 only carries out direct heat exchange with shielding gas, and the shielding gas gas check between adjacent two sections completely cuts off；In the present invention, described shielding gas is N2And H2Hybrid protection gas.
The mode realizing the heat exchange to strip steel 1 for the shielding gas in the present invention is; described preheating section 2, bringing-up section 3, soaking zone 4, slow cooling section 5, rapid cooling section 6, overaging section 7 and eventually in cold section 8; jet bellows 9 all it have been uniformly arranged around strip steel 1, the fumarole of described jet bellows 9 sprays shielding gas towards strip steel 1 realizes the heat exchange to strip steel 1.
Heat treatment in the embodiment of the present invention uses the mode of radial canal heating, as shown in figure 4, being provided with circulating fan 10 and Heat Room 18 in described bringing-up section 3 and soaking zone 4, strip steel 1 runs in burner hearth 19；It is provided with radial canal 11, radial canal 11 heats to shielding gas in described Heat Room 18；Shielding gas series connection around Heat Room 18, jet bellows 9 and strip steel 1 is become by circulating air road by circulating fan 10；The motion path of shielding gas is Heat Room 18->Jet bellows 9->Shielding gas around strip steel 1->Circulating fan 10->Heat Room 18.
Because the gas nozzle on jet bellows 9 is much smaller with respect to the size of strip steel 1, therefore, it is possible to reasonable Arrangement nozzle it is ensured that heat exchange air-flow uniformly can impact belt steel surface, complete heat exchange；On the other hand, for the air-flow heating in bringing-up section 3, soaking zone 4, the efficiency of impact heat convection is not affected by strip steel 1 surface nature；Use merely the radial canal 11 directly mode to strip steel 1 radiant heating, radiation heat transfer can be limited by radial canal size, strip steel can not possibly uniformly be heated, in addition radiation heat transfer intensity is directly proportional to strip steel 1 surface blackness, bright annealing, in few oxidizing annealing, steel band 1 surface blackness is lower, and therefore in high-quality band steel heat treatment, the mode thermal efficiency of radiant heating is very low；And in the present invention, be not only able to uniformly heat strip steel moreover it is possible to improve firing rate and the efficiency of heating surface using jet heating.
For being not equipped with directly heating the preheating section of equipment and overaging section, as shown in Figure 5, waste heat using the flue gas being given off using radial canal 11 realizes the purpose of heating, described preheating section 2 and overaging section 7 each are equipped with circulating fan 10 and gas-gas heat exchanger 13, preheating section 2 and overaging section 7 have equally all been uniformly arranged jet bellows 9 around strip steel 1, and strip steel 1 is blown heating by jet bellows 9 when passing through burner hearth 19；The heat transferring medium import of gas-gas heat exchanger 13 is connected with the exhaust opening of radial canal 11 by high temperature flue gas pipeline, and the heat transferring medium outlet of gas-gas heat exchanger 13 is connected with waste gas discharge pipeline 14 by pipeline；Circulating fan 10 drives shielding gas to circulate through gas-gas heat exchanger 13 heat exchange, and the flow path of shielding gas is：Jet bellows 9->Shielding gas around strip steel 1->Circulating fan 10->Gas-gas heat exchanger 13->Jet bellows 9.
In addition, in the present embodiment, the flue gas of described preheating section 2 and overaging section 7 is discharged and is both provided with flow control valve 15 on gathering tube, and the effect of flow control valve 15 is respectively the distribution flow direction needing to be controlled the high warm flue gas that radial canal 11 gives off according to the flow-route and temperature of preheating section 2 and overaging section 7；
Cooling in the present invention is by the way of to shielding gas water-cooled heat exchange; as shown in Figure 6; it is provided with circulating fan 10 in described slow cooling section 5, rapid cooling section 6 and whole cold section 8; equally jet bellows 9 all it have been uniformly arranged around strip steel 1, strip steel 1 is blown cooling by jet bellows 9 when passing through burner hearth 19 in slow cooling section 5, rapid cooling section 6 and whole cold section 8；Slow cooling section 5, rapid cooling section 6 and whole cold section 8 are each configured with air-water heat exchanger 16, and air-water heat exchanger 16 uses recirculated cooling water as low-temperature receiver, and circulating fan 10 drives shielding gas to circulate through air-water heat exchanger 16 heat exchange cooling, and the flow path of shielding gas is：Jet bellows 9->Shielding gas around strip steel 1->Circulating fan 10->Air-water heat exchanger 16->Jet bellows 9；
In addition, described waste gas discharge pipeline 14 is by the exhaust opening being communicated to radial canal 11 through high-temperature flue gas arm 12 and high-temperature flue gas house steward, it is provided with exhaust smoke valve 20 on described high-temperature flue gas arm 12, in addition high-temperature flue gas house steward also has two-way to be connected to the bye-pass of gas-gas heat exchanger 13 heat transferring medium import, and the distribution of high-temperature flue gas flow control valve 15 with exhaust smoke valve 20 is controlled；Cold wind branch road 21 is parallel with waste gas discharge pipeline 14, the flue gas that cold wind branch road 21 goes out for discharge mixes cold wind, controls smog discharge temperature, waste gas discharge pipeline 14 passes through discharge blower fan and is communicated to chimney 22 waste gas discharge the most at last.
A kind of vertical belt jet heat treatment method; sequentially pass through preheating section 2, bringing-up section 3, soaking zone 4, slow cooling section 5, rapid cooling section 6, overaging section 7 and cold section 8 eventually during strip steel 1 carries out heat treatment, make strip steel only carry out direct heat exchange with shielding gas all the time in heat treatment process；In bringing-up section 3 and soaking zone 4; with radial canal 11 heated protective gas; again with the hybrid protection gas blowout after heating to the surface of strip steel 1, realize the heating to strip steel 1, radial canal 11 discharges waste heat heating for preheating section 2 and overaging section 7 after gas-gas heat exchanger with shielding gas heat exchange of flue gas；Shielding gas in slow cooling section 5, rapid cooling section 6 and whole cold section 8 cools down to strip steel 1 after air-water heat exchanger 16 is using the cooling water cooling of circulation.
Gas-gas heat exchanger media technology flow process：It is provided with Heat Room, it is indoor that gas-gas heat exchanger is placed in heat exchange in described preheating section and overaging section；After shielding gas heating strip steel, Heat Room is drawn out to by circulating fan; spray through jet bellows after high-temperature flue gas heat exchange here by gas-gas heat exchanger with after the burning of the radial canal of described bringing-up section and soaking zone, the thermal current being sprayed using jet bellows is to strip steel IMPULSIVE HEATING.After the burning of described bringing-up section and the radial canal of soaking zone, high-temperature flue gas are out aggregated into high-temperature flue gas house steward afterwards from radial canal; then it is further divided into the heat smoke entrance that branch road leads to the gas-gas heat exchanger in described preheating section and overaging section; discharge from the cold flue gas outlet of gas-gas heat exchanger after flowing through the heat exchanger tube inside of gas-gas heat exchanger and the recycling-guard gas heat exchange outside heat exchanger tube, discharge finally by waste gas discharge pipeline and chimney.
Flue gas flow：The exhaust opening of radial canal->High-temperature flue gas house steward->Gas-gas heat exchanger heat smoke entrance->Inside the heat exchanger tube of gas-gas heat exchanger->The cold flue gas outlet of gas-gas heat exchanger->Waste gas discharge pipeline and chimney；
Shielding gas flow process：Heat Room->Jet bellows->Shielding gas around strip steel->Circulating fan->Heat Room；
Air-water heat exchanger in described slow cooling section, rapid cooling section and whole cold section adopts recirculated cooling water as low-temperature receiver, is circulated cooling to the shielding gas in burner hearth, to reduce the temperature of strip steel.
Air-water heat exchanger media technology flow process：It is provided with Heat Room, it is indoor that air-water heat exchanger is placed in heat exchange in described slow cooling section, rapid cooling section and whole cold section；Shielding gas cooling strip steel after Heat Room is drawn out to by circulating fan, here by after air-water heat exchanger and recirculated cooling water heat exchange through jet bellows spray, using jet bellows spray cold airflow to strip steel impinging cooling.Lead to the cool circulation water water inlet of the air-water heat exchanger of described slow cooling section, rapid cooling section and whole cold section from the cooling water of cooling supply mains respectively; discharge from the hot cooling water outlet of air-water heat exchanger after flowing through the water pipe inside of air-water heat exchanger and the recycling-guard gas heat exchange outside water pipe, finally collect and lead to recirculated water return pipe.
Cooling water flow path：Cooling supply mains->The cool circulation water entrance of air-water heat exchanger->Inside air-water heat exchanger water pipe->The heat recirculated water outlet of air-water heat exchanger->Recirculated water return pipe；
Shielding gas flow process：Heat Room->Jet bellows->Shielding gas around strip steel->Circulating fan->Heat Room.
Claims (6)
1. a kind of vertical belt jet annealing device, sequentially arrange preheating section (2), bringing-up section (3), soaking zone (4), slow cooling section (5), rapid cooling section (6), overaging section (7) and whole cold section (8) by strip steel (1) traffic direction in body of heater (17), it is characterized in that：Described preheating section (2), bringing-up section (3), soaking zone (4), slow cooling section (5), rapid cooling section (6), overaging section (7) and cold section (8 eventually）Inside it is each filled with shielding gas, strip steel (1) only carries out direct heat exchange with shielding gas, the shielding gas in adjacent two sections is completely cut off by gas check.
2. vertical belt jet annealing device as claimed in claim 1, is characterized in that：Described preheating section (2), bringing-up section (3), soaking zone (4), slow cooling section (5), rapid cooling section (6), overaging section (7) and eventually in cold section (8); jet bellows (9) all it have been uniformly arranged around strip steel (1), the fumarole of described jet bellows (9) sprays shielding gas towards strip steel (1) realizes the heat exchange to strip steel (1).
3. vertical belt jet annealing device as claimed in claim 1 or 2, is characterized in that：It is provided with circulating fan (10) and Heat Room (18), strip steel (1) runs in burner hearth (19) in described bringing-up section (3) and soaking zone (4)；It is provided with radial canal (11), radial canal (11) heats to shielding gas in described Heat Room (18)；Shielding gas series connection around Heat Room (18), jet bellows (9) and strip steel (1) is become by circulating air road by circulating fan (10)；The motion path of shielding gas be Heat Room (18)->Jet bellows (9)->Shielding gas around strip steel (1)->Circulating fan (10)->Heat Room (18).
4. vertical belt jet annealing device as claimed in claim 3, is characterized in that：Described preheating section (2) and overaging section (7) each are equipped with circulating fan (10) and gas-gas heat exchanger (13); circulating fan (10) drive shielding gas circulation, shielding gas circulating path be gas-gas heat exchanger (13)->Jet bellows (9)->Shielding gas around strip steel (1)->Circulating fan (10)->Gas-gas heat exchanger (13), the heat transferring medium import of described gas-gas heat exchanger (13) is connected with the exhaust opening of radial canal (11) by pipeline, and the heat transferring medium outlet of gas-gas heat exchanger (13) is connected with waste gas discharge pipeline (14) by pipeline.
5. vertical belt jet annealing device as claimed in claim 1 or 2, is characterized in that：Described slow cooling section (5), rapid cooling section (6) and whole cold section (8) each are equipped with air-water heat exchanger (16), and air-water heat exchanger (16) is cooled down to the gas in circulation gas circuit using the cooling water of circulation；Shielding gas after cooling sprays cold airflow after jet bellows (9) and carries out spray cooling to strip steel (1).
6. a kind of vertical belt jet heat treatment method, is characterized in that：Sequentially pass through preheating section (2), bringing-up section (3), soaking zone (4), slow cooling section (5), rapid cooling section (6), overaging section (7) and whole cold section (8) during strip steel (1) carries out heat treatment, make strip steel only carry out direct heat exchange with shielding gas all the time in heat treatment process；In bringing-up section (3) and soaking zone (4); with radial canal (11) heated protective gas; use the surface to strip steel (1) for the hybrid protection gas blowout after heating again; realize the heating to strip steel (1), waste heat heating for preheating section (2) and overaging section (7) after gas-gas heat exchanger with shielding gas heat exchange of the flue gas that radial canal (11) discharges；Slow cooling section (5), rapid cooling section (6) and the shielding gas in cold section of end (8) cool down to strip steel (1) after air-water heat exchanger (16) is using the cooling water cooling of circulation.
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| CN201510462145.8A CN106399661A (en) | 2015-07-31 | 2015-07-31 | Vertical-type strip steel jet heat treatment device and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465451A (en) * | 2018-12-11 | 2019-03-15 | 四川航空工业川西机器有限责任公司 | A kind of rapid cooling system based on jet-driven 1800 DEG C |
| CN114107645A (en) * | 2021-12-08 | 2022-03-01 | 中冶南方（武汉）热工有限公司 | Multifunctional isothermal normalizing furnace for alloy bars and working method thereof |
| CN114836603A (en) * | 2022-04-12 | 2022-08-02 | 江苏常宝普莱森钢管有限公司 | Surface quality adjusting process for bright heat treatment furnace |
| CN115058582A (en) * | 2022-07-14 | 2022-09-16 | 上海曙佳科技发展有限公司 | Method for visualization and workpiece temperature management in continuous annealing furnace |
| WO2024056072A1 (en) * | 2022-09-15 | 2024-03-21 | 宝山钢铁股份有限公司 | High-speed jet and radiation combined heating device and rapid heating method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1176668A (en) * | 1995-12-26 | 1998-03-18 | 新日本制铁株式会社 | Primary cooling method in continuously annealing steel strip |
| CN201102975Y (en) * | 2007-09-29 | 2008-08-20 | 攀枝花新钢钒股份有限公司 | Vertical annealing furnace galvanizing line |
| CN201284356Y (en) * | 2008-10-27 | 2009-08-05 | 宝山钢铁股份有限公司 | Non-oxidation roller heart type continuous annealing furnace for bar material |
| CN202017038U (en) * | 2011-04-02 | 2011-10-26 | 金川集团有限公司 | Copper and copper alloy continuous roller hearth type annealing furnace |
| CN103147084A (en) * | 2013-01-23 | 2013-06-12 | 新余钢铁集团有限公司 | Vertical continuous annealing furnace bluing device and bluing technology thereof |
| CN203065577U (en) * | 2013-01-23 | 2013-07-17 | 新余钢铁集团有限公司 | Blueing device for vertical-type continuous annealing furnace |
-
2015
- 2015-07-31 CN CN201510462145.8A patent/CN106399661A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1176668A (en) * | 1995-12-26 | 1998-03-18 | 新日本制铁株式会社 | Primary cooling method in continuously annealing steel strip |
| CN201102975Y (en) * | 2007-09-29 | 2008-08-20 | 攀枝花新钢钒股份有限公司 | Vertical annealing furnace galvanizing line |
| CN201284356Y (en) * | 2008-10-27 | 2009-08-05 | 宝山钢铁股份有限公司 | Non-oxidation roller heart type continuous annealing furnace for bar material |
| CN202017038U (en) * | 2011-04-02 | 2011-10-26 | 金川集团有限公司 | Copper and copper alloy continuous roller hearth type annealing furnace |
| CN103147084A (en) * | 2013-01-23 | 2013-06-12 | 新余钢铁集团有限公司 | Vertical continuous annealing furnace bluing device and bluing technology thereof |
| CN203065577U (en) * | 2013-01-23 | 2013-07-17 | 新余钢铁集团有限公司 | Blueing device for vertical-type continuous annealing furnace |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465451A (en) * | 2018-12-11 | 2019-03-15 | 四川航空工业川西机器有限责任公司 | A kind of rapid cooling system based on jet-driven 1800 DEG C |
| CN114107645A (en) * | 2021-12-08 | 2022-03-01 | 中冶南方（武汉）热工有限公司 | Multifunctional isothermal normalizing furnace for alloy bars and working method thereof |
| CN114836603A (en) * | 2022-04-12 | 2022-08-02 | 江苏常宝普莱森钢管有限公司 | Surface quality adjusting process for bright heat treatment furnace |
| CN115058582A (en) * | 2022-07-14 | 2022-09-16 | 上海曙佳科技发展有限公司 | Method for visualization and workpiece temperature management in continuous annealing furnace |
| CN115058582B (en) * | 2022-07-14 | 2024-06-11 | 上海曙佳科技发展有限公司 | Method for visualization and workpiece temperature management in continuous annealing furnace |
| WO2024056072A1 (en) * | 2022-09-15 | 2024-03-21 | 宝山钢铁股份有限公司 | High-speed jet and radiation combined heating device and rapid heating method thereof |
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Application publication date: 20170215 |