CN106032564B - A kind of half method for annealing of H80 alloys - Google Patents
A kind of half method for annealing of H80 alloys Download PDFInfo
- Publication number
- CN106032564B CN106032564B CN201610529740.3A CN201610529740A CN106032564B CN 106032564 B CN106032564 B CN 106032564B CN 201610529740 A CN201610529740 A CN 201610529740A CN 106032564 B CN106032564 B CN 106032564B
- Authority
- CN
- China
- Prior art keywords
- heating
- annealing
- heating body
- pipe
- cooling
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0018—Details, accessories not peculiar to any of the following furnaces for charging, discharging or manipulation of charge
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/02—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working in inert or controlled atmosphere or vacuum
Abstract
A kind of half method for annealing of H80 alloys, wherein employing homemade annealing device, its structure includes automatical feeding system, Heating body, cooling main body, catenet band drive system and switch board；Wherein automatical feeding system, Heating body, cooling main body and catenet band drive system are sequentially connected, and are respectively connected with switch board；Operating process includes setting each area's temperature of Heating body, opens protective gas, Heating body heating, feeding, preheating, heating, cooling and blanking.Under inert nitrogen gas protection alloy is preheated, heated and cooled down to realize half annealing process of H80 alloys.The present invention realizes the charging and discharging of serialization, and the time used in whole half annealing process is about 50min, and the required time shortens to the 1/6 of shaft furnace or the annealing time of batch-type furnace half；Pipe is heated evenly in whole half annealing process, efficiently avoid the shaping rupture caused by pipe uneven heating.
Description
Technical field
The present invention relates to a kind of heat treatment method, particularly a kind of half method for annealing of H80 alloys.
Background technology
H80 alloys are copper-zinc binary system α alpha brasses, can have very high plasticity by heat-treatment of annealing, cold to add
Work is functional, can be with the complicated flexible member of forming shape.Because H80 is a kind of acid bronze alloy of cold deformation strengthening type, bullet
Property element needed for elasticity obtained by cold deformation, simultaneously because flexible member be molded when deflection do not reach required reinforcing journey
Degree, therefore the last time annealing of pipe before the forming is annealed using partial annealing i.e. half, to retain a part of stretching tube
Cold deformation during base.
At present, half annealing of H80 alloys is carried out in common shaft furnace or batch-type furnace, and half annealing temperature is 470 DEG C
~490 DEG C, soaking time is 120min~150min.For anti-oxidation, pipe fitted tube or vanning are added into charcoal mudding, Ran Houfang
Enter to begin to warm to 470 DEG C~490 DEG C in shaft furnace or batch-type furnace, be incubated 120min~150min, be then turned off heater
Opening shaft furnace or batch-type furnace makes pipe be cooled down in atmosphere with cylinder or case, and whole half annealing process probably needs 6 hours.In well
During formula stove or box stove heat, because temperature is produced by the heater being distributed on furnace wall of shaft furnace or batch-type furnace
Raw heat transfer is to pipe, therefore the pipe heated time close to furnace wall and remote furnace wall is different, so as to cause pipe half
It is heated in annealing process not uniform enough；Further, since the cylinder sealing of tubulature base is incomplete, so having certain journey in piece surface
The pollution of degree.Above two factor is the main reason for causing pipe to be ruptured in forming process.Simultaneously as well formula
Stove or batch-type furnace limited volume, heating and furnace cooling time are longer, so the less efficient of half annealing is carried out with above method,
Mass, continuous production can not be completed.
The content of the invention
The technical problems to be solved by the invention are the efficiency that the used annealing process half of H80 alloys half is annealed at present
It is relatively low, mass, continuous production can not be completed；And the problem of uneven heating, surface contamination in production process be present.
In order to solve the above technical problems, the technical solution used in the present invention is：A kind of half annealing side of H80 alloys is provided
Method, wherein employing homemade annealing device, its structure includes automatical feeding system, Heating body, cooling main body, catenet
Band drive system and switch board；Wherein automatical feeding system, Heating body, cooling main body and catenet band drive system connect successively
Connect, and be respectively connected with switch board.
The Heating body includes pre-heating station and heating zone, is provided with 6 heating zones.
The automatical feeding system, it is made up of the roller rod row of Chain conveyer attribute, it is defeated with Heating body before Heating body
Guipure is sent to be connected, for manual blowing.
The Heating body, it is divided into preheating section and bringing-up section two parts, by fire door, burner hearth, muffle tube and group of heating elements
Into arrangement uses drawer type, and easy access is conveniently.
The cooling main body, there are protective atmosphere, passage outer layer to be full of recirculated cooling water, the pipe after heating in cooling duct
Quickly cooled down under protective atmosphere by cooling duct.
The catenet band drive system, is the conveying device for loading heat treatment pipe continuous heat through shaft, carries
For 150~600mm/min transfer rate.
The switch board includes nitrogen group protecting atmosphere control device, electrical control gear and temperature control equipment, wherein electricity
Gas control device leads to nitrogen caused by nitrogen making machine in the muffle tube in Heating body by gas flowmeter control；Electric-controlled
Device processed connects automatical feeding system, Heating body, cooling main body and catenet band drive system respectively, and each system can be only
It is vertical to be controlled and adjusted；The temperature of 6 heating zones of temperature control equipment control Heating body is in the range of design temperature；It is described
Switch board, for controlling the switch of whole annealing device, the switch of nitrogen group protecting atmosphere and air-flow size, each Heating Zone Temperature
Control and regulation, record the logging in any area simultaneous with multiple spot recording instrument without paper and carry overtemperature alarm system.
Operating process includes setting each area's temperature of Heating body -- to open protective gas -- Heating body heating --
Feeding -- preheating -- heating -- cooling -- blanking.Alloy is preheated under inert nitrogen gas protection, heated
With cooling to realize half annealing process of H80 alloys；Specific operation process is as follows：
（1）The temperature of setting Heating body 6 heating zones is respectively 530 DEG C, 530 DEG C, 530 DEG C, 525 DEG C, 525 DEG C, 525
DEG C, while nitrogen is passed through in annealing device and discharged the air in device to realize pipe adding under nitrogen protection atmosphere
Heat, nitrogen atmosphere is had been filled with annealing device when temperature reaches predetermined value；
（2）The transfer rate of catenet band is adjusted to 550mm/min, then H80 alloy pipe stocks are put into charging tray, passed through
The charging tray for filling pipe is sent into the annealing device for having nitrogen atmosphere to protect by guipure, and pipe is under the transmission of guipure by pre-
3 heat, heating and cooling active sections can complete half annealing of pipe, and whole half annealing process needs 50min.
The experiment of H80 alloys is shown, the Grain size distribution of material is 20~28 μ after being annealed using shaft furnace or batch-type furnace half
M, hardness distribution HV98~HV124, use this method half anneal after material grain size for 23~27 μm, hardness for HV106~
HV113；Meanwhile by bulk statistics, compared with being annealed using shaft furnace or batch-type furnace half, pipe after being annealed using this method half
Rupture rate in forming process reduces 7%.
The beneficial effects of the invention are as follows：Realize the charging and discharging of serialization, the time used in whole half annealing process
About 50min, and the time used when being annealed using shaft furnace or batch-type furnace half is about 6h, i.e., carries out half with this method and anneal institute
The time needed shortens to the 1/6 of shaft furnace or the annealing time of batch-type furnace half；Meanwhile pipe is put down when carrying out half annealing with this method
It is layered in charging tray, pipe is heated evenly in whole half annealing process, efficiently avoid caused by pipe uneven heating
Shaping rupture；In addition, using this method carry out half anneal when due in heating process pipe surrounded by inert gas, so
Half anneal after pipe surface-brightening, pollution-free.
Brief description of the drawings
Fig. 1 is the structural representation of self-control annealing device used in the present invention；
In figure：1st, automatical feeding system；2nd, Heating body；3rd, main body is cooled down；4th, catenet band drive system；5th, control
Cabinet.
Embodiment
As shown in figure 1, the present invention completes half annealing process using self-control annealing device to H80 alloys；Wherein from heating
Processing unit structure includes 1, automatical feeding system, and 2, Heating body, 3, cooling main body, 4, catenet band drive system, wherein
Self-control annealing device be connected with switch board, and self-control annealing device in automatical feeding system, Heating body, cool down main body and
Catenet band drive system is sequentially connected.
In operating process, each Heating Zone Temperature of Heating body is set by switch board, while nitrogen is passed through heat treatment dress
Put and discharge the air in device to realize heating of the pipe under nitrogen protection atmosphere, when temperature reaches predetermined value at heat
Nitrogen atmosphere is had been filled with reason device；H80 alloy pipe stocks are put into charging tray, being sent into the charging tray for filling pipe by guipure has
In the annealing device of nitrogen atmosphere protection, pipe is under the transmission of guipure by 3 preheating, heating and cooling active sections
Complete half annealing of pipe.
Catenet band drive system, it is the conveying device for loading heat treatment pipe continuous heat through shaft, there is provided 150
~600mm/min transfer rate.
Embodiment 1
H80 alloy pipe stock fitted tubes are added into charcoal mudding, is then placed in shaft furnace and begins to warm to 470~490 DEG C, insulation
120~150min, being then turned off heater opening shaft furnace makes pipe be cooled to room temperature in atmosphere with cylinder.
Embodiment 2
The temperature of 6 heating zones is respectively set to 530 DEG C, 530 DEG C, 530 DEG C, 525 DEG C, 525 DEG C, 525 DEG C, catenet
The transfer rate of band is adjusted to 550mm/min, and in the charging tray for being then put into H80 alloy pipe stocks, pipe will be filled by guipure
Charging tray is sent into the annealing device for having nitrogen atmosphere to protect, and pipe is under the transmission of guipure by preheating, heating and cooling 3
Active section can complete half annealing of pipe.
The Grain size distribution of table 1 and hardness distribution test data
As shown in Table 1, for H80 materials, the crystal grain of the pipe after being annealed compared with shaft furnace using this method progress half
Degree distribution and hardness distribution are smaller, hardness is relatively low, and pipe that this explanation carries out half annealing with self-control annealing device is heated
It is more uniformly distributed, so more stable in follow-up molding procedure.By table 1 it can also be seen that carrying out half annealing using this method
Time is about 1/8 to the 1/6 of the annealing time of shaft furnace half, substantially increases the efficiency of half annealing, can complete mass, continuous
Metaplasia is produced.In addition, using this method carry out half anneal when due in heating process pipe surrounded by inert gas, so partly moving back
It is pipe surface-brightening after fire, pollution-free.
Half method for annealing provided by the present invention, realizes the charging and discharging of serialization, used in whole half annealing process
Time shorten to 1/8 to the 1/6 of shaft furnace or the annealing time of batch-type furnace half；It efficiently avoid by pipe uneven heating institute
Caused by be molded rupture；In addition, using this method carry out half anneal when due in heating process pipe surrounded by inert gas,
So half anneal after pipe surface-brightening, pollution-free.Using above-mentioned heat treatment method and device, can to copper alloy such as H80,
The pipe of the materials such as QSn6.5-0.1 carries out half and annealed, to acquire required plastic deformation ability and bright surface state.
Claims (3)
1. a kind of half method for annealing of H80 alloys, selected in preparation process automatical feeding system, Heating body, cooling main body,
Catenet band drive system and switch board composition annealing device；Wherein automatical feeding system, Heating body, cooling main body and chain
Net belt drive system is sequentially connected, and is respectively connected with switch board；Operating process includes：Each area's temperature of Heating body is set
Degree, logical protective gas, Heating body heating, feeding, preheating, heating, cooling and blanking；It is characterized in that：
The Heating body includes pre-heating station and heating zone, is provided with 6 heating zones；
The automatical feeding system, by Chain conveyer attribute roller rod row form, before Heating body with Heating body transmission net
Band linking；
The Heating body, it is divided into preheating section and bringing-up section two parts, cloth is formed by fire door, burner hearth, muffle tube and heating element heater
Put and use drawer type；
The cooling main body, there is protective atmosphere in cooling duct, passage outer layer is full of recirculated cooling water；
The switch board includes nitrogen group protecting atmosphere control device, electrical control gear and temperature control equipment, wherein electric-controlled
Device processed leads to nitrogen caused by nitrogen making machine in the muffle tube in Heating body by gas flowmeter control；Electrical control fills
Put and connect automatical feeding system, Heating body, cooling main body and catenet band drive system respectively, each system can independent quilt
Control and regulation；The temperature of 6 heating zones of temperature control equipment control Heating body is in the range of design temperature；
Specific operation process is as follows：
（1）The temperature of 6 heating zones of Heating body is set, while nitrogen is passed through in annealing device and arranges the air in device
Go out to realize heating of the pipe under nitrogen protection atmosphere, have been filled with nitrogen gas in annealing device when temperature reaches predetermined value
Atmosphere；
（2）The transfer rate of catenet band is adjusted to 550mm/min, then H80 alloy pipe stocks are put into charging tray, pass through guipure
By the charging tray for filling pipe be sent into have nitrogen atmosphere protect annealing device in, pipe under the transmission of guipure by preheating,
3 active sections of heating and cooling can complete half annealing of pipe, and whole half annealing process needs 50min.
A kind of 2. half method for annealing of H80 alloys according to claim 1, it is characterised in that 6 heating zones setting
Temperature be respectively 530 DEG C, 530 DEG C, 530 DEG C, 525 DEG C, 525 DEG C, 525 DEG C.
A kind of 3. half method for annealing of H80 alloys according to claim 1, it is characterised in that the catenet band driving
System, it runs through shaft, is the conveying device for loading heat treatment pipe continuous heat, there is provided 150~600mm/min transmission
Speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610529740.3A CN106032564B (en) | 2016-07-07 | 2016-07-07 | A kind of half method for annealing of H80 alloys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610529740.3A CN106032564B (en) | 2016-07-07 | 2016-07-07 | A kind of half method for annealing of H80 alloys |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106032564A CN106032564A (en) | 2016-10-19 |
| CN106032564B true CN106032564B (en) | 2017-11-28 |
Family
ID=57148982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610529740.3A Active CN106032564B (en) | 2016-07-07 | 2016-07-07 | A kind of half method for annealing of H80 alloys |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106032564B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107034348B (en) * | 2017-05-10 | 2018-12-14 | 凯美家用品（青岛）股份有限公司 | The western-style food tool heat treatment method and its device of 2CR13 material |
| CN108642418B (en) * | 2018-04-04 | 2020-04-24 | 山东兴鲁有色金属集团有限公司 | Automatic detection control system and method for purging in annealing of copper pipe of well-type annealing furnace |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387739C (en) * | 2006-01-13 | 2008-05-14 | 菏泽广源铜带股份有限公司 | Method for manufacturing anti-corrosion alloy brass H80 and copper belt thereof |
| CN202099322U (en) * | 2011-04-02 | 2012-01-04 | 金川集团有限公司 | Copper and copper alloy continuous network chain type annealing furnace |
| US8211250B1 (en) * | 2011-08-26 | 2012-07-03 | Brasscraft Manufacturing Company | Method of processing a bismuth brass article |
| CN204529944U (en) * | 2015-04-01 | 2015-08-05 | 滕州晨晖电子集团有限公司 | Quickly cooling device after a kind of single crystal Cu bonding line annealing process |
| CN105543746A (en) * | 2016-01-29 | 2016-05-04 | 灵宝金源朝辉铜业有限公司 | Rolled copper foil softening annealing technology |
-
2016
- 2016-07-07 CN CN201610529740.3A patent/CN106032564B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387739C (en) * | 2006-01-13 | 2008-05-14 | 菏泽广源铜带股份有限公司 | Method for manufacturing anti-corrosion alloy brass H80 and copper belt thereof |
| CN202099322U (en) * | 2011-04-02 | 2012-01-04 | 金川集团有限公司 | Copper and copper alloy continuous network chain type annealing furnace |
| US8211250B1 (en) * | 2011-08-26 | 2012-07-03 | Brasscraft Manufacturing Company | Method of processing a bismuth brass article |
| CN204529944U (en) * | 2015-04-01 | 2015-08-05 | 滕州晨晖电子集团有限公司 | Quickly cooling device after a kind of single crystal Cu bonding line annealing process |
| CN105543746A (en) * | 2016-01-29 | 2016-05-04 | 灵宝金源朝辉铜业有限公司 | Rolled copper foil softening annealing technology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106032564A (en) | 2016-10-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106032564B (en) | A kind of half method for annealing of H80 alloys | |
| CN106170568B (en) | For the metalliferous material in the open hearth of ring bottom to elongated flat, especially roll aluminium ingot progress heat-treating methods and equipment | |
| CN106066627A (en) | A kind of safety glass production control system | |
| CN106865964A (en) | Isothermal, isobaric Multi-use ultra-thin glass toughening equipment equipment | |
| CN201467960U (en) | Hot and cold air drying equipment used for peeling production of broad beans | |
| CN106969632A (en) | A kind of multiple-layer box type Hybrid Heating stove | |
| CN102029707B (en) | Heat setting device of pillow core | |
| CN106945151A (en) | A kind of technological process of production for being injected into shape base alumina ceramic product | |
| CN201280572Y (en) | Wind-guiding apparatus of low-temperature tempering furnace | |
| CN201648470U (en) | Gear ring nitrogen-protecting continuous normalizing furnace | |
| CN103878275A (en) | Non-tempered steel post-forging cooling line | |
| CA1236292A (en) | Furnace | |
| CN106017074A (en) | Separated sliding rail type rotary heating furnace structure for warm-hot forming production and production technology thereof | |
| CN2926255Y (en) | Cased heat-treatment furnace for long steel plate | |
| CN107815531A (en) | A kind of large-sized structural parts heat treatment equipment | |
| CN104152833A (en) | A titanium alloy solid solution heat treatment furnace and a solid solution method | |
| CN208501151U (en) | A kind of silicon wafer quickly cooling device | |
| CN204022921U (en) | A kind of Copper-Aluminum compound row annealing annealing furnace | |
| CN207115216U (en) | Continous way devitrified glass precision bending furnace | |
| CN106755888A (en) | A kind of industrial pipeline system automation heat treatment method and equipment | |
| CN104388662A (en) | Roller-hearth type plate continuous tempering furnace and tempering method thereof | |
| CN203582904U (en) | Isothermal normalizing cooling conveyor | |
| US2436157A (en) | Metallurgical process and apparatus | |
| CN206940946U (en) | A kind of horizontal spheroidizing annealing furnace | |
| CN111575471A (en) | Energy-saving seamless pipe heat treatment equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180411 Address after: 030006 Shanxi province Taiyuan city district and State Road No. 137 building 7 layer 2 Co-patentee after: Taiyuan taico Automation Instrument Co. Ltd. Patentee after: Taiyuan Aero-Instruments Co., Ltd. Address before: 030006 Shanxi province Taiyuan city district and State Road No. 137 building 7 layer 2 Patentee before: Taiyuan Aero-Instruments Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210621 Address after: 030006 Shanxi Province, Taiyuan city district and State Road No. 137 Patentee after: Taiyuan Taihang Technology Co.,Ltd. Patentee after: Taiyuan Taihang Dexon Autocontrol Engineering Co.,Ltd. Address before: 030006 7th floor, Taihang building, 137 Bingzhou South Road, Xiaodian District, Taiyuan City, Shanxi Province Patentee before: Taiyuan Taihang Technology Co.,Ltd. Patentee before: Taiyuan Taihang Automation Instrument Co.,Ltd. |
|
| TR01 | Transfer of patent right |