CN101358275B - Upper layer heat exchange type continuous annealing furnace - Google Patents
Upper layer heat exchange type continuous annealing furnace Download PDFInfo
- Publication number
- CN101358275B CN101358275B CN2008101207719A CN200810120771A CN101358275B CN 101358275 B CN101358275 B CN 101358275B CN 2008101207719 A CN2008101207719 A CN 2008101207719A CN 200810120771 A CN200810120771 A CN 200810120771A CN 101358275 B CN101358275 B CN 101358275B
- Authority
- CN
- China
- Prior art keywords
- upper strata
- lower floor
- burner hearth
- zone
- fire door
- 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.)
- Active
Links
- 238000000137 annealing Methods 0.000 title claims abstract description 58
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 20
- 230000008569 process Effects 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000007306 turnover Effects 0.000 claims description 37
- 239000002918 waste heat Substances 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 19
- 238000010583 slow cooling Methods 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 9
- 239000002699 waste material Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 239000012212 insulator Substances 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Abstract
The invention relates to a upper-lower layer heat exchange type continuous annealing furnace which mainly comprises a furnace body; a furnace hearth is arranged in the furnace body, and an upper layer transmission roller and a lower layer transmission roller which move oppositely are arranged in the same furnace hearth; a left afterheat exchanging chamber is arranged close to a left in-out mouth in the furnace hearth, a right afterheat exchanging chamber is arranged close to a right in-out mouth in the furnace hearth, and an upper layer and a lower layer are arranged in the furnace hearth between the left afterheat exchanging chamber and the right afterheat exchanging chamber in reverse directions according to the process flow; a group of heating members used for auxiliary heating are arranged in the furnace hearth to guarantee the uniform temperature in the vertical direction in the furnace hearth. The invention has the advantages that a furnace hearth baffle plate at the middle heat insulating layer of the double-layer annealing furnace is cancelled, so that the upper layer furnace hearth and the lower layer furnace hearth have the same temperature in the vertical direction, and heat insulators are saved; more importantly, the surplus heat can be used in the furnace through a fan when annealing parts are cooled, the heat loss is greatly reduced through heat convection and alternately heating cold workpieces, and thus the utilization ratio of energy is increased.
Description
Technical field
The invention belongs to the heat treated continous way spheroidizing annealing furnace of metallic substance apparatus field, especially a kind of upper layer heat exchange type continuous annealing furnace is applicable to that bearing steel, the various annealed of alloy tool steel components are energy-saving and cost-reducing.
Background technology
In the prior art, annealing is divided into periodic and continous way annealing two big classes.Car type furnace, bell jar stove etc. are adopted in periodic annealing, and not only quality instability, and energy consumption is also higher; Stove at the bottom of continous way annealing common employing push rod furnace and the roller, annealing quality is more stable; Can satisfy country and industry and formulate the technical requirements of standard code, but still have the energy consumption problem of higher.
Hangzhou Jinzhou Electric Furnace Co., Ltd. in 1998 have researched and developed the roller-hearth continuous annealing furnace of multiple type of heating, accurate temperature controlling, and the Technology innovation is coordinated to combine with the furnace type structure innovation, make annealing technology reach leading domestic level, and the annealing energy consumption also decreases.
No matter be stove at the bottom of push rod furnace or the roller, chamber structure is that front and back are through, is commonly called as " continuous tunnel furnace ", and is big into and out of the calorific loss of stove gate, though install the obstruct of holding court from behind a screen of fire door or extension additional, because failure rate is higher, still has a large amount of heats to run off; With the Spheroidizing Annealing is example: usually, finish the workpiece of annealing process procedure, tapping temperature is roughly at 600～640 ℃, and annealing part waste heat does not utilize, and this is one of annealing energy consumption major reason for higher.At this phenomenon, Hangzhou Jinzhou Electric Furnace Co., Ltd. at 2006 innovative developments double layer roller bottom type continuous spheroidizing annealing furnace, and successfully apply for the utility model patent patent No.: ZL 2,006 2 0106960.7, and utilize the heating of annealing part waste heat to treat annealed cold conditions workpiece, energy-saving effect is obvious.
But in whole annealing process, the temperature after we have only utilized 650 ℃ realizes UTILIZATION OF VESIDUAL HEAT IN, and the annealing energy consumption reaches about 170 degree per ton, does not reach best energy-saving effect as yet.
Summary of the invention
The objective of the invention is to overcome the deficiency of said structure, and provide a kind of upper layer heat exchange type continuous annealing furnace, whole annealing process, UTILIZATION OF VESIDUAL HEAT IN are all finished in same burner hearth, have solved the deficiency that temperature after former double layer roller bottom type continuous annealing furnace has only utilized 650 ℃ realizes UTILIZATION OF VESIDUAL HEAT IN.The innovation of this structure is: adopt workpiece to enter the right side with a layer turnover left side, upper strata and go out, a lower floor left side goes out the structure design that the right side is advanced, no burner hearth thermal baffle between the upper and lower layer, has only the backspin rolls that supports the upper strata workpiece between the two-layer workpiece, adopt in the same burner hearth, double-deck reverse arrangement, and burner hearth temperature unanimity in vertical direction.Through the mutual exchange of levels heat, one deck heating, one deck cooling reaches same temperature in the heat preservation zone second stage, realizes energy-efficient annealing process.
The technical solution adopted for the present invention to solve the technical problems.This upper layer heat exchange type continuous annealing furnace, mainly comprise body of heater, be provided with a burner hearth in body of heater, be provided with upper strata live roll and lower floor's live roll in the same burner hearth, the direction of the direction of live roll transmission upper strata, upper strata workpiece and the transmission lower floor workpiece of lower floor's live roll is opposite; In burner hearth, be provided with left waste heat switch room, be used for a large amount of waste heats with the workpiece after lower floor's annealing and exchange cold burden to the upper strata near left side turnover fire door; In burner hearth, be provided with right waste heat switch room, be used for a large amount of waste heats with the workpiece after the annealing of upper strata and exchange cold burden to lower floor near right turnover fire door; In the burner hearth between left waste heat switch room and right waste heat switch room, two-layer up and down by the reverse arrangement of technical process, in burner hearth, be provided with one group of heating member that is used for boosting, it is consistent to make that burner hearth guarantees in the vertical direction temperature.
The technical solution adopted for the present invention to solve the technical problems can also be further perfect.
The upper strata of described burner hearth is respectively upper strata first heating zone, upper strata first holding-zone, upper strata second heating zone, upper strata second holding-zone, fast cold section of upper strata, upper strata isothermal section and slow cooling section, upper strata by technical process between left waste heat switch room and right waste heat switch room; The lower floor of burner hearth is respectively the slow cooling with the corresponding lower floor of upper strata first heating zone between left waste heat switch room and right waste heat switch room, with the corresponding lower floor of upper strata first holding-zone isothermal section, with fast cold section of the corresponding lower floor of upper strata second heating zone, with the corresponding lower floor of upper strata second holding-zone second holding-zone, with fast cold section of fast cold section corresponding upper strata, upper strata, with the corresponding lower floor of upper strata isothermal section first holding-zone, with the corresponding lower floor in slow cooling section, upper strata first heating zone; Wherein second holding-zone and lower floor's second holding-zone reach same holding temperature on the upper strata.
Be provided with left side turnover fire door at turnover fire door place, a left side, be provided with right turnover fire door, form the cavity of a sealing by burner hearth, left side turnover fire door and right turnover fire door at turnover fire door place, the right side.
Be provided with the blower fan that is used to quicken convective heat exchange at burner hearth.
Be provided with the enterprising lift input and output material platform that is used for being responsible for workpiece material loading and discharging in the outside, be provided be used for being responsible for workpiece material loading and discharging following in the outside and advance lift input and output material platform near right turnover fire door near left side turnover fire door.Adopt the lift sealing door, preevacuated chamber before and after also can loading onto, novel furnace becomes the hermetically sealed type of furnace, has overcome the drawback of straight-flow furnace, and the fire door thermosteresis reduces, and can guarantee the decarburization of workpiece non-oxidation, improves lumber recovery.
The effect that the present invention is useful is: with the burner hearth baffle cancellation of double-deck annealing furnace intermediate thermal insulating layer, through transmission and technological design, can so that upper and lower layer burner hearth in vertical direction, the temperature unanimity, saved lagging material, unnecessary heat utilizes in stove through blower fan when the more important thing is the cooling of annealing part, by thermal convection and exchange heating cold conditions workpiece.The result of upper and lower layer heat exchange is: be example with the Spheroidizing Annealing, when the annealing part is cooled to come out of the stove by 800 ℃ about 100 ℃ can reclaim the energy consumption about 85%.Whole annealing process is finished the energy of institute's loss, is caused by the furnace shell heat radiation mostly, and other heat is utilized substantially, greatly reduces thermosteresis, has improved rate of energy.And saved wide variety of materials at the annealing furnace manufacture view, also reduced the consumption of making the energy; In addition, the reduction of annealing part tapping temperature, working environment improves, and summer, measures of heat control was simplified, and it is healthy to help the operative employee.Owing to optimized furnace type structure, annealing furnace work-yard utilization ratio is doubled.
Description of drawings
Fig. 1 is a main TV structure synoptic diagram of the present invention;
The enterprising lift input and output material of description of reference numerals: 1-platform, 2-lower floor live roll, 3-lower floor workpiece, 4-left side turnover fire door, the 5-body of heater, the 6-blower fan, the right turnover of 7-fire door, advance lift input and output material platform under the 8-, the 9-burner hearth, 10-upper strata live roll, 11-upper strata workpiece, the 12-heating member, 13-left side turnover fire door, the right turnover of 14-fire door, waste heat switch room, a 15-left side, the right waste heat of 16-switch room, 17-upper strata first heating zone, 18-upper strata first holding-zone, 19-upper strata second heating zone, 20-upper strata second holding-zone, fast cold section of 21-upper strata, 22-upper strata isothermal section, slow cooling section, 23-upper strata, 24-lower floor first heating zone, 25-lower floor first holding-zone, 26-lower floor second heating zone, 27-lower floor second holding-zone, fast cold section of 28-lower floor, 29-lower floor isothermal section, 30-lower floor slow cooling section, the 31-air deflector.
Embodiment:
Below in conjunction with drawings and Examples the present invention is further described.
As shown in Figure 1, this upper layer heat exchange type continuous annealing furnace, mainly comprise body of heater 5, in body of heater 5, be provided with a burner hearth 9, be provided with left side turnover fire door 4 at turnover fire door 13 places, a left side, be provided with right turnover fire door 7 at turnover fire door 14 places, the right side, form the cavity of a sealing by burner hearth 9, left side turnover fire door 4 and right turnover fire door 14.Be provided with the enterprising lift input and output material platform 1 that is used for being responsible for workpiece material loading and discharging in the outside, be provided be used for being responsible for workpiece material loading and discharging following in the outside and advance lift input and output material platform 8 near right turnover fire door 14 near left side turnover fire door 13.Be provided with upper strata live roll 10 and lower floor's live roll 2 in the same burner hearth 9, the direction of the direction of upper strata live roll 10 transmission upper strata workpiece 11 and the transmission lower floor workpiece of lower floor's live roll 2 is opposite (to adopt workpiece with layer turnover, a present embodiment left side at the middle and upper levels enters the right side and goes out, and a lower floor left side goes out the right side and advances); In burner hearth, be provided with left waste heat switch room 15, be used for a large amount of waste heats with the workpiece after lower floor's annealing and exchange cold burden to the upper strata near left side turnover fire door 13; In burner hearth, be provided with right waste heat switch room 16, be used for a large amount of waste heats with the workpiece after the annealing of upper strata and exchange cold burden to lower floor near right turnover fire door 14; In the burner hearth 9 between left waste heat switch room 15 and right waste heat switch room 16, two-layer up and down by the reverse arrangement of technical process, in burner hearth 9, be provided with one group of heating member 12 that is used for boosting, it is consistent to make that burner hearth 9 guarantees in the vertical direction temperature.
The upper strata of described burner hearth 9 is respectively upper strata first heating zone 17, upper strata first holding-zone 18, upper strata second heating zone 19, upper strata second holding-zone 20, fast cold section 21 of upper strata, upper strata isothermal section 22 and slow cooling section, upper strata 23 by technical process between left waste heat switch room 15 and right waste heat switch room 16; The lower floor of burner hearth 9 is respectively between left waste heat switch room 15 and right waste heat switch room 16 and first heating zone, 17 corresponding lower floor slow cooling sections 30, upper strata, with upper strata first holding-zone, 18 corresponding lower floor isothermal section 29, with fast cold section 28 of upper strata second heating zone 19 corresponding lower floors, with upper strata second holding-zone 20 corresponding lower floors second holding-zone 27, with fast cold section 26 of fast cold section 21 corresponding upper strata, upper strata, with upper strata isothermal section 22 corresponding lower floors first holding-zone 25, with slow cooling section, upper strata 23 corresponding lower floors first heating zone 24; In the same burner hearth, through the mutual exchange of levels heat, one deck heating, one deck cooling, second holding-zone 20 and lower floor's second holding-zone 27 reach same holding temperature on the upper strata, realize energy-efficient annealing process.
Workpiece is covered each section of body of heater 9 successively with setting speed on live roll, be provided with the blower fan 6 that is used to quicken convective heat exchange at burner hearth 9, does not have thermofin between upper strata burner hearth and the lower floor's burner hearth, only depends on live roll to support annealing workpiece in the burner hearth of upper strata.When only depending on convection of heat and conduction, when not satisfying the cold conditions workpiece and arriving the required heat of technological temperature, be arranged in burner hearth each heating, insulation section heating member 12 automatically control open heating cold conditions workpiece.The even calorifier of UTILIZATION OF VESIDUAL HEAT IN all has the inner air deflector 31 of burner hearth, so that needed thermal convection wind direction to be provided.
Principle of work: the present invention has also optimized the annealed technical process, as shown in Figure 1, will annealed workpiece and charging basket, winch to the upper strata feed entrance point of the upper strata input and output material platform of front end with electric block, and lay down the part of annealing of lower floor discharging position, the turnover fire door is subjected to the optoelectronic switch effect, opens automatically.This moment, the workpiece of upper strata feed zone was transferred into left waste heat switch room 15 in the stove, lower floor discharging position, and the workpiece that also has one basket of annealing to finish is walked out left waste heat switch room 15.Finish simultaneously when the action of charging, discharging, the process furnace Qianmen is closed.And simultaneously also finish same action advancing lift input and output material platform down.Like this, always have left waste heat switch room 15 and right waste heat switch room 16 (UTILIZATION OF VESIDUAL HEAT IN section) that two baskets of cold conditions workpiece enter into two ends, be subjected to waiting to come out of the stove the baking of heat material and the stirring convection current of the even calorifier of UTILIZATION OF VESIDUAL HEAT IN, absorb a large amount of waste heats, temperature raises, and heat to be come out of the stove expects that then temperature descends.Then, treat annealing workpiece when the upper strata and cover the UTILIZATION OF VESIDUAL HEAT IN section, when entering into the heat temperature raising section, further absorb the heat of another layer burner hearth same position slow cooling workpiece, this section is established heating member (radiator tube) and is not established the even calorifier of UTILIZATION OF VESIDUAL HEAT IN, and the upper strata workpiece only depends on thermal conduction to absorb the heat of lower floor's slow cooling section workpiece.Then, workpiece enters first holding-zone, this moment corresponding lower floor's isothermal section workpiece, still mainly rely on radiator tube under the effect of no blower fan, to be incubated, and do not undergo phase transition in metal inside at this moment, can make workpiece internal and external temperature uniformity.So also can allow heat tracing subsequently more even, help the quality of product.Then, the upper strata workpiece enters heating zone, and corresponding lower floor's burner hearth is fast cold section.,, drive herein, be used to heat the upper strata workpiece by the furnace atmosphere convection current that blower fan produced because of lower floor's workpiece cools off a large amount of heats that produced fast.In upper strata second holding-zone subsequently, the technological temperature that reaches that the upper strata workpiece is very fast also is incubated, corresponding just lower floor's second holding-zone, and levels is all only established radiator tube herein.After insulation finishes, the upper strata workpiece by the technical process of lower floor's workpiece before this successively through too fast cold section, isothermal section, slow cooling section and the section of heat exchange UTILIZATION OF VESIDUAL HEAT IN up and down.Finish whole annealing process and the workpiece that the other end lower floor is advanced is also reverse in this order.
In whole annealing process, annealing workpiece is finished heating, cooling at same burner hearth in the levels.Required most of heats are provided by the internal recycle in the descent of temperature process.Workpiece enters stove to 100～150 by room temperature ℃ comes out of the stove, and except that the body of heater heat radiation, heat is absorbed by the cold conditions workpiece substantially, and energy is saved very considerable.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (7)
1. a upper layer heat exchange type continuous annealing furnace mainly comprises body of heater (5), it is characterized in that:
1.1), in body of heater (5), be provided with a burner hearth (9), be provided with upper strata live roll (10) and lower floor's live roll (2) in the same burner hearth (9), the direction of the transmission lower floor workpiece of the direction of upper strata live roll (10) transmission upper strata workpiece (11) and lower floor's live roll (2) is opposite;
1.2), in burner hearth, be provided with left waste heat switch room (15) near left side turnover fire door (13), be used for a large amount of waste heats with the workpiece after lower floor's annealing and exchange cold burden to the upper strata; In burner hearth, be provided with right waste heat switch room (16), be used for a large amount of waste heats with the workpiece after the annealing of upper strata and exchange cold burden to lower floor near right turnover fire door (14);
1.3), in the burner hearth (9) between left waste heat switch room (15) and right waste heat switch room (16), two-layer up and down by the reverse arrangement of technical process, be provided with one group of heating member (12) that is used for boosting in burner hearth (9), it is consistent to make that burner hearth (9) guarantees in the vertical direction temperature.
2. upper layer heat exchange type continuous annealing furnace according to claim 1 is characterized in that: the upper strata of described burner hearth (9) is respectively upper strata first heating zone (17), upper strata first holding-zone (18), upper strata second heating zone (19), upper strata second holding-zone (20), upper strata fast cold section (21), upper strata isothermal section (22) and slow cooling section, upper strata (23) by technical process between left waste heat switch room (15) and right waste heat switch room (16); The lower floor of burner hearth (9) is respectively between left waste heat switch room (15) and right waste heat switch room (16) and the corresponding lower floor of upper strata first heating zone (17) slow cooling section (30), with upper strata first holding-zone (18) corresponding lower floor isothermal section (29), with the corresponding lower floor of upper strata second heating zone (19) fast cold section (28), with upper strata second holding-zone (20) corresponding lower floor second holding-zone (27), with fast cold section (21) corresponding upper strata, upper strata fast cold section (26), with upper strata isothermal section (22) corresponding lower floor first holding-zone (25), with slow cooling section, upper strata (23) corresponding lower floor first heating zones (24); Wherein second holding-zone (20) and lower floor's second holding-zone (27) reach same holding temperature on the upper strata.
3. upper layer heat exchange type continuous annealing furnace according to claim 1 and 2, it is characterized in that: locate to be provided with left side turnover fire door (4) at left side turnover fire door (13), locate to be provided with right turnover fire door (7) at right side turnover fire door (14), form the cavity of a sealing by burner hearth (9), left side turnover fire door (4) and right turnover fire door (14).
4. upper layer heat exchange type continuous annealing furnace according to claim 3, it is characterized in that: be provided with the enterprising lift input and output material platform (1) that is used for being responsible for workpiece material loading and discharging in the outside, be provided be used for being responsible for workpiece material loading and discharging following in the outside and advance lift input and output material platform (8) near right turnover fire door (14) near left side turnover fire door (13).
5. upper layer heat exchange type continuous annealing furnace according to claim 1 and 2 is characterized in that: be provided with the blower fan (6) that is used to quicken convective heat exchange at burner hearth (9).
6. upper layer heat exchange type continuous annealing furnace according to claim 3 is characterized in that: be provided with the blower fan (6) that is used to quicken convective heat exchange at burner hearth (9).
7. upper layer heat exchange type continuous annealing furnace according to claim 4 is characterized in that: be provided with the blower fan (6) that is used to quicken convective heat exchange at burner hearth (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101207719A CN101358275B (en) | 2008-09-03 | 2008-09-03 | Upper layer heat exchange type continuous annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101207719A CN101358275B (en) | 2008-09-03 | 2008-09-03 | Upper layer heat exchange type continuous annealing furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101358275A CN101358275A (en) | 2009-02-04 |
| CN101358275B true CN101358275B (en) | 2010-09-01 |
Family
ID=40330873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101207719A Active CN101358275B (en) | 2008-09-03 | 2008-09-03 | Upper layer heat exchange type continuous annealing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101358275B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102080149B (en) * | 2010-11-26 | 2014-12-24 | 杭州金舟科技股份有限公司 | Energy-saving full-automatic and atmosphere-controllable horizontal type annealing production line for discs |
| CN102002562A (en) * | 2010-12-10 | 2011-04-06 | 苏州中门子科技有限公司 | Bearing steel isothermal spheroidizing annealer |
| CN102002563B (en) * | 2010-12-10 | 2012-06-27 | 苏州中门子科技有限公司 | Arranging structure of heaters on bearing-steel isothermal spheroidized annealing furnace |
| CN102041362B (en) * | 2010-12-10 | 2013-11-20 | 苏州中门子科技有限公司 | Isothermal spheroidizing annealing furnace for bearing steels |
| CN102041361A (en) * | 2010-12-10 | 2011-05-04 | 苏州中门子科技有限公司 | Heat recycle device on bearing steel isothermal spheroidizing annealing furnace |
| CN104846160B (en) * | 2015-06-04 | 2017-01-25 | 浙江中集铸锻有限公司 | Annealing furnace switching system |
| CN105369035B (en) * | 2015-10-09 | 2018-02-13 | 山东钢铁股份有限公司 | It is a kind of to be used for cooling in rotary hearth furnace, the high-performance device of drying synchronization |
| CN105423748B (en) * | 2015-12-04 | 2018-01-19 | 中国电子科技集团公司第四十八研究所 | A kind of warm area is mutually wrong to arrange double-layer roller hearth furnace |
| CN206216994U (en) * | 2016-11-23 | 2017-06-06 | 广州市永合祥自动化设备科技有限公司 | A kind of energy-saving curing continuous tunnel furnace |
| CN106755930B (en) * | 2017-01-10 | 2018-12-14 | 首钢京唐钢铁联合有限责任公司 | Annealing furnace continous way heating means from front to back |
| CN106755809B (en) * | 2017-01-10 | 2018-12-14 | 首钢京唐钢铁联合有限责任公司 | Annealing furnace continous way heating means from back to front |
| CN108588380A (en) * | 2018-04-27 | 2018-09-28 | 海亮（安徽）铜业有限公司 | A kind of efficient copper tube heat treatment process |
| CN108588382A (en) * | 2018-07-19 | 2018-09-28 | 浙江海亮股份有限公司 | A kind of mixed type brass tube annealing furnace |
| CN110423962A (en) * | 2019-08-29 | 2019-11-08 | 南京年达炉业科技有限公司 | Energy-saving aluminum rolls up annealing device |
| CN111118262A (en) * | 2020-01-06 | 2020-05-08 | 杭州晨昇炉业有限公司 | Energy-saving double-circuit steel bottle heat treatment production line |
| CN114657355B (en) * | 2022-03-29 | 2024-02-09 | 佛山市高明区穗创业冷轧钢带有限公司 | Cold rolling annealing furnace |
-
2008
- 2008-09-03 CN CN2008101207719A patent/CN101358275B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101358275A (en) | 2009-02-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101358275B (en) | Upper layer heat exchange type continuous annealing furnace | |
| CN100463980C (en) | Double layer roller bottom type continuous spheroidizing annealing furnace | |
| CN200940153Y (en) | Double layered roller bottom type continuous spheroidizing furnace | |
| CN201245685Y (en) | Upper-lower layer heat exchange type continuous annealing furnace | |
| CN203144452U (en) | Continuous annealing furnace | |
| CN202660889U (en) | Liquid deslagging high-temperature oriented silicon steel walking beam type slab heating furnace | |
| CN104513890B (en) | Circulating efficient Q-tempering equipment | |
| CN103343185A (en) | Multilayer box type heating furnace | |
| CN202337808U (en) | Automatic thermal processing device | |
| CN206207993U (en) | Multifunctional box resistance furnace | |
| CN102364279A (en) | Preheating furnace for multichamber die | |
| CN200946156Y (en) | Fast cooling device | |
| CN207567284U (en) | A kind of multi-station horizontal vacuum annealing furnace | |
| CN205501364U (en) | Box tempering furnace and tempering furnace conveying system | |
| CN205192239U (en) | Full fibre box resistance furnace | |
| CN204848946U (en) | Waste heat utilization cycle stove at bottom of multilayer roller | |
| CN203569142U (en) | Efficient cyclic quenching and tempering equipment | |
| CN101363071B (en) | Brilliant isothermal normalizing production system | |
| CN201261793Y (en) | Brilliant isothermal normalizing production system | |
| CN201148452Y (en) | Double-layer roller bottom type carriage wheel quenching and tempering line | |
| CN101445861A (en) | Air-cooling equipment for external-circulation multi-heat exchanger furnace | |
| CN205528924U (en) | Double -deck U type annealing stove of periodic production marching type heat transfer | |
| CN202304402U (en) | Multi-chamber die pre-heating furnace | |
| CN103940232A (en) | Box-type assay furnace | |
| CN105567935A (en) | Box-type tempering furnace, tempering furnace conveying system and tempering furnace control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JINZHOU TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: HANGZHOU JINZHOU ELECTRIC FURNACE CO., LTD. Effective date: 20111101 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20111101 Address after: 311113 Liangzhu Industrial Development Zone, Yuhang District, Zhejiang, Hangzhou Patentee after: JINZHOU TECHNOLOGY CO., INC. Address before: 311113 Liangzhu Industrial Development Zone, Yuhang District, Zhejiang, Hangzhou Patentee before: Hangzhou Jinzhou Electric Furnace Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: HANGZHOU JINZHOU TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JINZHOU TECHNOLOGY CO., LTD. Effective date: 20140506 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140506 Address after: Yuhang District of Hangzhou City, Zhejiang province 311113 Liangzhu Street Moganshan Road No. 2039 Patentee after: Hangzhou Jinzhou Technology Co., Ltd. Address before: 311113 Liangzhu Industrial Development Zone, Yuhang District, Zhejiang, Hangzhou Patentee before: JINZHOU TECHNOLOGY CO., INC. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20180621 Address after: 311113 Liangzhu street, Liangzhu Industrial Zone, Yuhang District, Hangzhou, Zhejiang, China Patentee after: Hangzhou race boat Bearing Co., Ltd. Address before: 311113 2039 Moganshan Road, Liangzhu street, Yuhang District, Hangzhou, Zhejiang Patentee before: Hangzhou Jinzhou Technology Co., Ltd. |
|
| TR01 | Transfer of patent right |