CN105803169B - Steel wire water-bath and the insulation belt line apparatus of air quenching unit - Google Patents
Steel wire water-bath and the insulation belt line apparatus of air quenching unit Download PDFInfo
- Publication number
- CN105803169B CN105803169B CN201610272616.3A CN201610272616A CN105803169B CN 105803169 B CN105803169 B CN 105803169B CN 201610272616 A CN201610272616 A CN 201610272616A CN 105803169 B CN105803169 B CN 105803169B
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- Prior art keywords
- heat preserving
- bath
- water
- preserving casing
- air cooling
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Classifications
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- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
- C21D1/64—Quenching devices for bath quenching with circulating liquids
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- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
-
- 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
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/573—Continuous furnaces for strip or wire with cooling
- C21D9/5732—Continuous furnaces for strip or wire with cooling of wires; of rods
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The invention discloses a kind of steel wire water-bath and the insulation belt line apparatus of air quenching unit, including be arranged at water-bath quenching unit upper quenching tank top water-bath heat preserving casing and be arranged at air quenching unit quenching upper box part air cooling heat preserving casing, the air quenching unit is arranged at the downstream of water-bath quenching unit, some support bars arranged along steel wire traffic direction are installed with the water-bath heat preserving casing and air cooling heat preserving casing, turning set is equipped with mobile hanging wire wheel on every support bar, the movement hanging wire wheel is moved and rotated on support bar, side on the water-bath heat preserving casing and air cooling heat preserving casing is provided with the side door that can be opened or closed, temperature control exhaust apparatus is provided with the water-bath heat preserving casing and air cooling heat preserving casing.The band line apparatus facilitates steel wire ledger line, band line and bracing wire not only to realizing that water-bath quenching unit and air quenching unit active temperature control are incubated.
Description
Technical field
The present invention relates to a kind of insulation belt line apparatus, the guarantor of a kind of steel wire water-bath and air quenching unit is particularly related to
Temperate zone line apparatus.
Background technology
The tepidariums such as steel wire and air quenching are to immerse steel wire in a kind of aqueous solution containing high molecular polymer
The Technology for Heating Processing of continuous quick cooling, Quick air cooling, air cooling and insulation.In order to realize this purpose, steel wire exists
Deng tepidarium and not before isothermal air quenching, first have to steel wire heating to complete austenite crystal phase constitution state, and obtain
Obtain austenite crystal phase constitution 7-8 grain sizes.The tepidariums such as steel wire and the not purpose of isothermal air quenching are to obtain crystalline substance
The uniform tiny sorbite crystalline phase tissue of grain, and then obtain higher intensity, toughness and good plasticity.Steel wire is in austenitizing
After high-temperature heating, into etc. tepidarium quenching press group quickly cooled down, enter back into air after the tepidarium quenching press group such as leaving
Cooling Quenching unit continues to cool down.The temperature of quenching liquid and the temperature of air cooling temperature control box are set by production technology.Steel first
Silk adds a kind of high molecular polymer to improve the viscosity of quenching liquid, vaporization when wait tepidarium quenching, in quenching liquid
Temperature, boiling point and tension force, reduce the pyroconductivity of water.By the temperature control of quenching liquid between vaporization and boiling point, immersion is set to quench
Steel Wire Surface in fiery liquid forms one layer of uniform steam blanket, and steam blanket makes steel wire be separated with quenching liquid, quenching liquid and steel wire it
Between heat exchange can only be carried out by steam blanket.
Existing steel wire water-bath quenching and air hardening are not enclosed construction, and air cooling and insulation can not be realized and actively controlled
System, steel wire leave quenching water bath after if be directly exposed in air, environment temperature and the shadow of cold wind that steel wire can be changed
Ring and quickly cool down, the intensity difference after quenching steel wire increases, and mechanical performance is unstable, although also having to enter the steel wire after water-bath at present
The insulation construction of row insulation, but be all fairly simple, to be combined and blocked as insulation with hanging plate using hood, space is too big,
Very big by exhaust chimney and surrounding environment, such as seasonal variations, the morning and evening temperature difference, blowing and raining, the quenching that all can influence steel wire also has
It is switched on when hanging plate or clamp operation that steel wire is exposed in atmosphere during production operation, influences the performance of steel wire.And current water
Bath and air quenching unit do not have band line apparatus, the traction after the steel wire broken string of steel wire traction and quenching before starting shooting
It is to use to be accomplished manually, i.e., high steel wire is chosen by traction steel wire and operator's hand-held supports rod, make steel wire on support stick
Traction, again putting down support stick after the completion of traction makes to fall on normal operation station under steel wire, and right this band line mode needs to compare
More operator, while the hardened area for needing to extend into unit with support stick in operating process is operated, and is easily sent out
The danger such as raw scald.
The content of the invention
The technical problems to be solved by the invention are：The insulation belt of a kind of steel wire water-bath and air quenching unit is provided
Line apparatus, the band line apparatus is not only to realizing that water-bath quenching unit and air quenching unit active temperature control are incubated, Er Qiefang
Just steel wire ledger line, band line and bracing wire.
In order to solve the above technical problems, the technical scheme is that：A kind of steel wire water-bath and air quenching unit
Insulation belt line apparatus, including be arranged at water-bath quenching unit upper quenching tank top water-bath heat preserving casing and be arranged at air
The air cooling heat preserving casing of the quenching upper box part of Cooling Quenching unit, the air quenching unit are arranged at water-bath quenching unit
Downstream, some branch arranged along steel wire traffic direction are installed with the water-bath heat preserving casing and air cooling heat preserving casing
Strut, turning set is equipped with mobile hanging wire wheel on every support bar, and the movement hanging wire wheel is moved and rotated on support bar, the water
Side on bath heat preserving casing and air cooling heat preserving casing is provided with the side door that can be opened or closed, the water-bath heat preserving casing and
Temperature control exhaust apparatus is provided with air cooling heat preserving casing.
As a kind of preferable scheme, the left and right side plate of the water-bath heat preserving casing and air cooling heat preserving casing is all provided with being set to
Inclined plane, left and right side plate are separately installed with offside door and offside door.
As a kind of preferable scheme, the offside door is identical with the mounting structural mode of offside door, the water-bath insulation
Gathering hole is provided with the left plate of case and air cooling heat preserving casing, the upper end of the offside door is articulated with the upper edge of gathering hole,
The upper end of the offside door is provided with counterweight.
As a kind of preferable scheme, water-bath heat preserving casing and air cooling are fixed in the middle part of the support bar by connecting rod
Heat preserving casing inner top, on left section of support bar and right section respectively turning set equipped with moving left hanging wire wheel and move right hanging wire wheel,
The left and right end portions of the support bar are provided with limited block.
As a kind of preferable scheme, the temperature control exhaust apparatus includes being arranged at water-bath heat preserving casing and air cooling stay-warm case
Blast pipe on shell, temperature control exhaust servo valve, the water-bath heat preserving casing and air cooling heat preserving casing are installed on the blast pipe
On be mounted on temperature detection sensor.
As a kind of preferable scheme, the air cooling heat preserving casing includes multistage case, between each section of air cooling heat preserving casing
It is provided with the overhead door driven by lifting power plant.
As a kind of preferable scheme, the lifting power plant includes hoist engine, the overhead door vertical sliding installation
Between each section of air cooling heat preserving casing and in sealing contact between air cooling heat preserving casing, the hoist engine passes through pull rope and lifting
The top connection of door.
As a kind of preferable scheme, the water-bath heat preserving casing include outer layer metal housing and inner layer metal housing and
The heat-insulation layer being arranged between outer layer metal housing and inner layer metal housing, the inside of the offside door and offside door are also equipped with
Heat-insulation layer.
After employing above-mentioned technical proposal, effect of the invention is：Due to the water-bath heat preserving casing and air cooling stay-warm case
The overhead door driven by lifting power plant is provided between shell, peace is fixed on the water-bath heat preserving casing and air cooling heat preserving casing
Equipped with some support bars arranged along steel wire traffic direction, turning set is equipped with mobile hanging wire wheel, the movement on every support bar
Hanging wire wheel is moved and rotated on support bar, and the side on the water-bath heat preserving casing and air cooling heat preserving casing is provided with and can beaten
The side door closed is opened or closed, temperature control exhaust apparatus is provided with the water-bath heat preserving casing and air cooling heat preserving casing, utilizes support
The mobile hanging wire wheel of suit is rotated on bar can facilitate the ledger line of steel wire, band line, bracing wire and wiring, make steel wire in mobile hanging wire wheel
Upper rolling friction, while mobile hanging wire wheel can be moved to optional position in the axis direction of support bar, facilitate ledger line, so, behaviour
Making personnel can be operated by side door, without extending into the inside ledger line of water-bath heat preserving casing and air cooling heat preserving casing, avoid scalding
Danger, while utilize temperature control exhaust apparatus to realize that discharge to the heat in water-bath heat preserving casing and air cooling heat preserving casing is carried out
Control, so as to which the temperature in water-bath heat preserving casing and air cooling heat preserving casing is maintained in a metastable scope.
Again because the left and right side plate of the water-bath heat preserving casing and air cooling heat preserving casing is all provided with being set to inclined plane, left and right side
Plate is separately installed with offside door and offside door, it is ensured that the water droplet that water vapour is formed, along inclined plane following current to both sides, does not drop in steel
On silk, the quenching effect of steel wire is improved.
Again because the offside door is identical with the mounting structural mode of offside door, water-bath heat preserving casing and the air cooling insulation
Be provided with gathering hole on the left plate of case, the upper end of the offside door is articulated with the upper edge of gathering hole, the offside door it is upper
End is provided with counterweight, and offside door installation is simple, and either on or off is convenient, and can be effectively incubated after closing.
Again because the temperature control exhaust apparatus includes being arranged at blast pipe on water-bath heat preserving casing and air cooling heat preserving casing,
Temperature control exhaust servo valve is installed on the blast pipe, temperature is mounted on the water-bath heat preserving casing and air cooling heat preserving casing
Detection sensor, water-bath heat preserving casing and air cooling heat preserving casing internal temperature are detected using temperature detection sensor, and pass through control
Temperature exhaust servo valve control blast pipe capacity number, so as to control the discharge of heat, realize temperature control purpose.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the partial structural diagram of the embodiment of the present invention；
Fig. 2 is the water-bath heat preserving casing and temperature control exhaust apparatus schematic diagram of the embodiment of the present invention；
Fig. 3 is the structure sectional view of the air cooling heat preserving casing of the embodiment of the present invention；
In accompanying drawing：1. water-bath heat preserving casing；2. air cooling heat preserving casing；3. move hanging wire wheel；31. move left hanging wire wheel；32.
Move right hanging wire wheel；4. temperature detection sensor；5. blast pipe；6. temperature control is vented servo valve；7. overhead door；8. hoist engine；9.
Offside door；10. offside door；11. counterweight；12. support bar；13. limited block.
Embodiment
Below by specific embodiment, the present invention is described in further detail.
As shown in figure 1, the insulation belt line apparatus of a kind of steel wire water-bath and air quenching unit, including it is arranged at water-bath
Quench the water-bath heat preserving casing 1 on the upper quenching tank top of unit and be arranged at the sky of the quenching upper box part of air quenching unit
Cold heat preserving casing 2, water-bath quenching unit are included upper quenching tank and lower reservoir, are supplied quenching liquid from lower reservoir using circulating pump
Answer in supreme quenching tank, steel wire quenches during operation with the quenching fluid contacts water-bath in upper quenching tank, after water-bath quenching
Steel wire enter quenching box in air quenching unit and carry out dry quenching.
The air quenching unit is arranged at the downstream of water-bath quenching unit, and the air cooling of air quenching unit is protected
Warm case 2 includes multistage case, and the overhead door 7 driven by lifting power plant is provided between each section of air cooling heat preserving casing 2.This
Each section of case is just separated into separate dry quenching case by sample by overhead door 7, respective dry quenching case independence temperature control,
Avoid heat crossfire from influencing each other, realize the temperature stabilization of dry quenching in a scope.And the lifting power plant includes
Hoist engine 8, the vertical sliding of overhead door 7 are installed between each section of air cooling heat preserving casing 2 and close between air cooling heat preserving casing 2
Sealing-in is touched, and the hoist engine 8 is connected by pull rope with the top of overhead door 7.
Some are installed with the water-bath heat preserving casing 1 and air cooling heat preserving casing 2 to arrange along steel wire traffic direction
Support bar 12, support bar 12 is vertical with the traffic direction of steel wire, and turning set is equipped with mobile hanging wire wheel 3 on every support bar 12,
The movement hanging wire wheel 3 is moved and rotated on support bar 12, the side on the water-bath heat preserving casing 1 and air cooling heat preserving casing 2
The side door that can be opened or closed is provided with, temperature control exhaust is provided with the water-bath heat preserving casing 1 and air cooling heat preserving casing 2
Device.
As shown in figure 3, the left and right side plate of the water-bath heat preserving casing 1 and air cooling heat preserving casing 2 is all provided with being set to inclined plane,
Left and right side plate is separately installed with offside door 9 and offside door 10.
As shown in figure 3, water-bath heat preserving casing 1 and air cooling stay-warm case are fixed in the middle part of the support bar 12 by connecting rod
The inner top of shell 2, on left section of support bar 12 and right section respectively turning set equipped with moving left hanging wire wheel 31 and move right hanging wire wheel 32,
The left and right end portions of the support bar 12 are provided with limited block 13, then and moving left hanging wire wheel 31 can move and rotate at left section,
Move right hanging wire wheel 32 so, hanging wire wheel 31 can be being moved left by offside door 9 in right section of mobile and rotation by wire peg
On, can be by wire peg on hanging wire wheel 32 is moved right by offside door 10, the convenient steel wire for drawing diverse location.
As shown in Fig. 2 the offside door 9 is identical with the mounting structural mode of offside door 10, the He of water-bath heat preserving casing 1
Gathering hole is provided with the left plate of air cooling heat preserving casing 2, the upper end of the offside door 9 is articulated with the upper edge of gathering hole, described
The upper end of offside door 9 is provided with counterweight 11.When offside door 9 opens up, using the beat of counterweight 11 to the right side of perpendicular
Side, so, in the effect of counterweight 11 offside door 9 can be made to open all the time, and after offside door 9 is closed, the beat of counterweight 11 is to perpendicular
The left side of straight plane, makes offside door 9 close all the time in the presence of the counterweight 11.The water-bath heat preserving casing 1 includes outer layer gold
Category housing and inner layer metal housing and the heat-insulation layer being arranged between outer layer metal housing and inner layer metal housing, the left side
The inside of door 9 and offside door 10 is also equipped with heat-insulation layer, so as to serve heat insulation effect.
And as shown in Fig. 2 the temperature control exhaust apparatus includes being arranged on water-bath heat preserving casing 1 and air cooling heat preserving casing 2
Blast pipe 5, temperature control exhaust servo valve 6, the water-bath heat preserving casing 1 and air cooling heat preserving casing 2 are installed on the blast pipe 5
On be mounted on temperature detection sensor 4, water-bath quenching unit and air quenching unit itself, which have, is heated or cooled dress
Put for controlling respective temperature, and the temperature control exhaust apparatus then timely carries out intelligent control temperature according to the temperature in case
Degree, when temperature is too high, temperature control exhaust servo valve 6 is opened, and blast pipe 5 is vented, and discharges a part of heat, so as to reach temperature control
Purpose.
The present invention operation principle be：Before start, it is necessary to using mobile hanging wire wheel 3 come traction steel wire, and it is disposable
The steel wire of quenching is some and arranged in parallel, therefore, if the steel wire in traction left side, opens offside door 9, then by steel wire from
The left end of support bar 12, which is hung over, to be moved left on hanging wire wheel 31, when steel wire by it is all move left hanging wire wheel 31 and hang up after, traction
When move left hanging wire wheel 31 and can rotate so as to reduce resistance caused by traction, convenient traction, while can pass through movement after drawing
Mobile hanging wire wheel 3 completes band to control the position of steel wire and remove steel wire to be placed in corresponding separated time castor on support bar 12
Line.
The insulation belt line apparatus can quickly realize the band line traction of steel wire, reduce manual operation, reduce manipulation strength, avoid
Scald risk.Closing insulation can be carried out after steel wire traction, it is convenient to control quenching technical.
Embodiment described above is only the description to the preferred embodiment of the present invention, not as the limit to the scope of the invention
It is fixed, the various modifications made on the basis of design spirit of the present invention is not departed to technical solution of the present invention and transformation, it all should fall
In the protection domain for entering claims of the present invention determination.
Claims (8)
1. steel wire water-bath and the insulation belt line apparatus of air quenching unit, it is characterised in that：Including being arranged at water-bath quenching
The water-bath heat preserving casing (1) on the upper quenching tank top of unit and the air cooling for quenching upper box part for being arranged at air quenching unit
Heat preserving casing (2), the air quenching unit are arranged at the downstream of water-bath quenching unit, the water-bath heat preserving casing (1)
Be installed with air cooling heat preserving casing (2) some along steel wire traffic direction arrange support bars (12), every support bar
(12) turning set is equipped with mobile hanging wire wheel (3) on, and the movement hanging wire wheel (3) is moved and rotated on support bar (12), the water
Side on bath heat preserving casing (1) and air cooling heat preserving casing (2) is provided with the side door that can be opened or closed, the water-bath insulation
Temperature control exhaust apparatus is provided with case (1) and air cooling heat preserving casing (2).
2. steel wire water-bath as claimed in claim 1 and the insulation belt line apparatus of air quenching unit, it is characterised in that：Institute
The left and right side plate for stating water-bath heat preserving casing (1) and air cooling heat preserving casing (2) is all provided with being set to inclined plane, and left and right side plate is installed respectively
There are offside door (9) and offside door (10).
3. steel wire water-bath as claimed in claim 2 and the insulation belt line apparatus of air quenching unit, it is characterised in that：Institute
It is identical with the mounting structural mode of offside door (10) to state offside door (9), the water-bath heat preserving casing (1) and air cooling heat preserving casing
(2) gathering hole is provided with left plate, the upper end of the offside door (9) is articulated with the upper edge of gathering hole, the offside door (9)
Upper end be provided with counterweight (11).
4. steel wire water-bath as claimed in claim 3 and the insulation belt line apparatus of air quenching unit, it is characterised in that：Institute
Water-bath heat preserving casing (1) and air cooling heat preserving casing (2) inner top are fixed in the middle part for stating support bar (12) by connecting rod, support
On left section of bar (12) and right section respectively turning set equipped with moving left hanging wire wheel (31) and move right hanging wire wheel (32), the support
The left and right end portions of bar (12) are provided with limited block (13).
5. steel wire water-bath as claimed in claim 4 and the insulation belt line apparatus of air quenching unit, it is characterised in that：Institute
State the blast pipe (5) that temperature control exhaust apparatus includes being arranged on water-bath heat preserving casing (1) and air cooling heat preserving casing (2), the row
Temperature control exhaust servo valve (6) is installed on tracheae (5), is respectively mounted on the water-bath heat preserving casing (1) and air cooling heat preserving casing (2)
There is temperature detection sensor (4).
6. steel wire water-bath as claimed in claim 5 and the insulation belt line apparatus of air quenching unit, it is characterised in that：Institute
Stating air cooling heat preserving casing (2) includes multistage case, is provided between each section of air cooling heat preserving casing (2) and is driven by lifting power plant
Overhead door (7).
7. steel wire water-bath as claimed in claim 6 and the insulation belt line apparatus of air quenching unit, it is characterised in that：Institute
Stating lifting power plant includes hoist engine (8), overhead door (7) vertical sliding be installed on each section of air cooling heat preserving casing (2) it
Between and it is in sealing contact between air cooling heat preserving casing (2), the hoist engine (8) is by pull rope with connecting at the top of overhead door (7)
Connect.
8. steel wire water-bath as claimed in claim 7 and the insulation belt line apparatus of air quenching unit, it is characterised in that：Institute
Stating water-bath heat preserving casing (1) includes outer layer metal housing and inner layer metal housing and is arranged at outer layer metal housing and internal layer gold
The inside of heat-insulation layer between category housing, the offside door (9) and offside door (10) is also equipped with heat-insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610272616.3A CN105803169B (en) | 2016-04-28 | 2016-04-28 | Steel wire water-bath and the insulation belt line apparatus of air quenching unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610272616.3A CN105803169B (en) | 2016-04-28 | 2016-04-28 | Steel wire water-bath and the insulation belt line apparatus of air quenching unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105803169A CN105803169A (en) | 2016-07-27 |
| CN105803169B true CN105803169B (en) | 2017-11-17 |
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ID=56458712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610272616.3A Active CN105803169B (en) | 2016-04-28 | 2016-04-28 | Steel wire water-bath and the insulation belt line apparatus of air quenching unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105803169B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2788790A (en) * | 1954-01-13 | 1957-04-16 | Trauwood Engineering Company | Quench pot for wire and the like |
| JPS5818977B2 (en) * | 1980-04-26 | 1983-04-15 | 大同特殊鋼株式会社 | Continuous heat treatment equipment for strip metal materials |
| JPS58221234A (en) * | 1982-05-19 | 1983-12-22 | Sumitomo Electric Ind Ltd | Heat treatment of steel wire rod |
| US8506878B2 (en) * | 2006-07-14 | 2013-08-13 | Thermcraft, Incorporated | Rod or wire manufacturing system, related methods, and related products |
| CN204490943U (en) * | 2014-12-20 | 2015-07-22 | 铜陵长江铜业有限公司 | A kind of copper cash refrigerating unit |
| CN205590756U (en) * | 2016-04-28 | 2016-09-21 | 张家港市东航机械有限公司 | Heat preservation band wire device of steel wire water bath and air cooling quenching unit |
-
2016
- 2016-04-28 CN CN201610272616.3A patent/CN105803169B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105803169A (en) | 2016-07-27 |
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