CN201933124U - Water quenching and heat insulating combination type isothermal quenching equipment for heating steel wires by open fire - Google Patents
Water quenching and heat insulating combination type isothermal quenching equipment for heating steel wires by open fire Download PDFInfo
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- CN201933124U CN201933124U CN2010206912338U CN201020691233U CN201933124U CN 201933124 U CN201933124 U CN 201933124U CN 2010206912338 U CN2010206912338 U CN 2010206912338U CN 201020691233 U CN201020691233 U CN 201020691233U CN 201933124 U CN201933124 U CN 201933124U
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Abstract
The utility model relates to a water quenching and heat insulating combination type isothermal quenching equipment for heating steel wires by open fire, and provides the scheme that the isothermal quenching equipment is characterized by comprising a water quenching device and a heat insulating furnace that are arranged in the transmission direction of the steel wires in sequence; the water quenching device is arranged behind an open-fire furnace; a wire supporting and separating brick for supporting the steel wires is arranged at an outlet of the open-fire furnace; the steel wires enter into the water quenching device through the wire supporting and separating brick; the heat insulating furnace is arranged behind the water quenching device; and the steel wires come out of the water quenching device directly enter into the inner part of the heat insulating furnace. The utility model combines the water quenching device and the heat insulating furnace, and performs the isothermal quenching to the steel wires heated by the open-fire furnace; the transformation of sorbite structure of the steel wires quenched by the isothermal quenching equipment is perfect, so that the mechanical property is excellent.
Description
Technical field
The utility model belongs to the Steel Wire Heat Treatment equipment technical field, specifically relates to a kind of steel wire naked light heating shrend insulation built-up type isothermal quenching equipment.
Background technology
In the prior art,, need carry out various thermal treatments to steel wire usually in order to improve the over-all properties of steel wire.Wherein, steel wire being converted into the sorbite tissue can make steel wire have good comprehensive mechanical performance.The sorbite tissue belongs to the tissue of perlite type, but its tissue is thinner than pearlitic structure, and mechanical propertys such as drawing are more outstanding.
At present, commonly usedly steel wire is carried out the heat treated equipment of sorbitizing mainly constitute by lead pan and with supporting well heater, water cooler and the control panel of lead pan.Fill with 500 ℃ ~ 600 ℃ molten lead liquids in the lead pan, the steel wire that is heated to 900 ℃ enters into the interior plumbous liquid of lead pan, and steel wire is cooled to rapidly and plumbous liquid phase temperature together.Because lead pan has certain length, steel wire just is equivalent to 500 ℃ ~ 600 ℃ insulations down when mobile in lead pan, and steel wire is during this period of time realized the sorbite structural transformation, leaves lead pan until steel wire and finishes the sorbite transition process.But this treatment facility needs plumbous liquid to be maintained 500 ℃ ~ 600 ℃ all the time, need expend a large amount of energy, and the plumbous liquid of molten state can form lead steam, contaminate environment and harm are healthy, and cause injuries such as scald, burn easily to operator, dangerous high.
In addition, processing form such as employing is air-cooled, water-cooled are also arranged, but in this kind equipment, temperature controlling and maintenance be difficulty very, the temperature of Steel Wire Surface lowers often, but temperature inside is still very high, causes sorbite metaplasia imperfection, the wire quality instability, fracture easily in drawing process.And the manufacturing of this kind equipment, use and maintenance cost height, be difficult to apply.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of steel wire naked light heating shrend to be incubated knockdown isothermal quenching equipment, this isothermal quenching apparatus with water quenching device and holding furnace in conjunction with application, be used for the steel wire after the direct-fired heater heat treated is carried out means of isothermal quenching, the sorbite metaplasia of the steel wire after this equipment quench treatment is perfect, and mechanical property is good.
The technical scheme that provides according to the utility model: steel wire naked light heating shrend insulation built-up type isothermal quenching equipment, it is characterized in that: comprise the water quenching device and the holding furnace that are provided with in turn along the steel wire transmission direction, described water quenching device is arranged on the rear of direct-fired heater, the direct-fired heater exit is provided with the holder silk separated time brick that is used for supporting steel wire, and steel wire enters in the water quenching device via holder silk separated time brick; Described holding furnace is arranged on the rear of water quenching device, and the steel wire that comes out in the water quenching device directly enters holding furnace inside.
As further improvement of the utility model, described water quenching device comprises work cell body, cell body carriage, shrend inlet wire carrying roller, fixed dam, controllable register, moving telescopic mechanism, shrend outlet carrying roller, the hardening liquid recycle system and shrend outlet cover plate; Described work cell body relies on the cell body bracket support; Described shrend inlet wire carrying roller is installed in work cell body front portion; Described fixed dam vertically is arranged on the intravital front portion of work nest, controllable register vertically is arranged on the intravital rear portion of work nest, constitute a quenching chamber that is used to hold hardening liquid between fixed dam and the controllable register, quenching chamber is provided with the water-in that is used to feed hardening liquid; Described controllable register links to each other with moving telescopic mechanism, relies on moving telescopic mechanism to drive in the work cell body and moves, to regulate the length of quenching chamber; Described shrend outlet carrying roller is installed in the controllable register rear portion; Be provided with return line between described fixed dam and the work cell body front bulkhead, be provided with upflow tube between described controllable register and the work cell body aft end bulkhead, return line and upflow tube are connected with the hardening liquid recycle system respectively; Described shrend outlet cover plate is arranged on the rear portion of work cell body movably, and shrend outlet cover plate is used for preventing that the steel wire from hardening liquid comes out is directly exposed to the air.
As further improvement of the utility model, the described hardening liquid recycle system comprises upper reservoir, water inlet pipe, rising pipe, the next reservoir and recycle pump, and the outlet of described upper reservoir is connected with quenching chamber inside by water inlet pipe; Described return line, upflow tube are connected with the next reservoir by rising pipe, are provided with the interchanger that keeps temperature-stable in the next reservoir; The outlet of the next reservoir is connected with the import of upper reservoir via recycle pump, and recycle pump is used for hardening liquid is pumped into upper reservoir by the next reservoir.
As further improvement of the utility model, the water-in of described quenching chamber is arranged on the front portion of quenching chamber, is provided with the water inlet stabilier that keeps hardening liquid steadily to rise above water-in.
As further improvement of the utility model, described water inlet pipe is stretched in the quenching chamber by the work nest body sidewall, and the sealing of water inlet pipe inner termination offers the some amount ostium excurrens that Open Side Down on the inner tube wall of water inlet pipe.
As further improvement of the utility model, described moving telescopic mechanism comprises regulating shaft, gear and tooth bar, described regulating shaft is installed in rotation on the work cell body, described gear is installed in the regulating shaft two ends, described tooth bar is connected with described controllable register, rack and pinion is meshed, and gear rotates the drive tooth bar and moves; The two ends of described regulating shaft are equipped with the regulating handle that is used to rotate regulating shaft.
As further improvement of the utility model, described upflow tube has certain altitude in the intravital part of work nest, so that can store the hardening liquid of certain liquid level between controllable register and the work cell body front portion.
As further improvement of the utility model, described holding furnace comprises the body of heater that relies on bracket support, is provided with into the stove closer and the closer of coming out of the stove at the entrance end of body of heater, and described body of heater inside is burner hearth, be provided with cover block and heating brick in the burner hearth, described body of heater top is provided with cover plate.
As further improvement of the utility model, be provided with the thermal insulation layer that prevents that heat scatters and disappears in the described body of heater.
The utility model compared with prior art, advantage is: (1), realize the formation of sorbite tissue with the water quenching form, compare with traditional lead pan isothermal quenching form, health environment-friendly is dangerous low more; (2), adopt the water quenching device, neither need to expend lead material, do not need to expend a large amount of energy yet and keep high-temperature, the production cost saving, amount of energy consumption is low; (3), with water quenching device and holding furnace in conjunction with application, the sorbite metaplasia of the steel wire after quench treatment is perfect, mechanical property is good, and operation is simple relatively.
Description of drawings
Fig. 1 is a structural front view of the present utility model.
Fig. 2 is a structure vertical view of the present utility model.
Description of reference numerals: A-steel wire, the 1-direct-fired heater, 1.1-holder silk separated time brick, 1.2-filament mouth fire door frame, 1.3-observe door, 1.4-fire door, 2-water quenching device, 2.1-work cell body, 2.2-fixed dam, 2.3-water inlet stabilier, 2.4-moving telescopic mechanism, 2.4.1-tooth bar, 2.4.2-gear, 2.4.3-regulating shaft, 2.4.4-regulating handle, 2.5-controllable register, 2.6-shrend outlet carrying roller, 2.7-shrend outlet cover plate, 2.8-return line, 2.9-water inlet pipe, 2.9.1-ostium excurrens, 2.10-rising pipe, 2.11-cell body carriage, 2.12-quenching chamber, 2.13-upflow tube, 2.14-upper reservoir, 2.15-the next reservoir, 2.16-recycle pump, 2.17-interchanger, 2.18-shrend inlet wire carrying roller, the 3-holding furnace, 3.1-body of heater, 3.2-advance the stove closer, 3.3-burner hearth, 3.4-cover block, 3.5-heating brick, 3.6-cover plate, 3.7-thermal insulation layer, the closer 3.8-come out of the stove, 3.9-carriage.
Embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
As shown in the figure: the utility model provides a kind of shrend insulation built-up type isothermal quenching equipment, and it is mainly used in the steel wire A after direct-fired heater 1 heat treated is carried out quench treatment, and described direct-fired heater 1 can adopt Sweet natural gas, oil, coal etc. as heating energy source.Described shrend insulation built-up type isothermal quenching equipment mainly is made up of water quenching device 2 and holding furnace 3, water quenching device 2 and holding furnace 3 are provided with in turn along steel wire A transmission direction, described water quenching device 2 is arranged on the rear of direct-fired heater 1, direct-fired heater 1 exit is provided with the holder silk separated time brick 1.1 that is used for supporting steel wire A, and steel wire A enters in the water quenching device 2 via holder silk separated time brick 1.1; Described holding furnace 3 is arranged on the rear of water quenching device 2, and the steel wire A that comes out in the water quenching device 2 directly enters holding furnace 3 inside.Filament mouth fire door frame 1.2 is equipped with at the filament mouth place of described direct-fired heater 1, on the filament mouth fire door frame 1.2 fire door 1.4 is installed, and fire door 1.4 is used to prevent that outside air from entering in the stove, avoids steel wire A oxidized.In addition, also be provided with the observation door 1.3 that is used to observe steel wire A situation on the described direct-fired heater 1.
As shown in Figure 1 and Figure 2, described water quenching device 2 mainly is made up of work cell body 2.1, cell body carriage 2.11, shrend inlet wire carrying roller 2.18, fixed dam 2.2, controllable register 2.5, moving telescopic mechanism 2.4, shrend outlet carrying roller 2.6, the hardening liquid recycle system and shrend outlet cover plate 2.7; Described work cell body 2.1 relies on cell body carriage 2.11 to support; Described shrend inlet wire carrying roller 2.18 is installed in work cell body 2.1 front portions; Described fixed dam 2.2 vertically is arranged on the front portion in the work cell body 2.1, controllable register 2.5 vertically is arranged on the rear portion in the work cell body 2.1, constitute a quenching chamber 2.12 that is used to hold hardening liquid between fixed dam 2.2 and the controllable register 2.5, quenching chamber 2.12 is provided with the water-in that is used to feed hardening liquid; Described controllable register 2.5 links to each other with moving telescopic mechanism 2.4, relies on moving telescopic mechanism 2.4 to drive in work cell body 2.1 and moves, to regulate the length of quenching chamber 2.12; Described shrend outlet carrying roller 2.6 is installed in controllable register 2.5 rear portions; Be provided with return line 2.8 between described fixed dam 2.2 and work cell body 2.1 front bulkheads, be provided with upflow tube 2.13 between described controllable register 2.5 and work cell body 2.1 aft end bulkheads, return line 2.8 and upflow tube 2.13 are connected with the hardening liquid recycle system respectively; Described shrend outlet cover plate 2.7 is arranged on the rear portion of work cell body 2.1 movably, and shrend outlet cover plate 2.7 is used for preventing that the steel wire A from hardening liquid comes out is directly exposed to the air.
As shown in Figure 1 and Figure 2, the described hardening liquid recycle system mainly is made up of upper reservoir 2.14, water inlet pipe 2.9, rising pipe 2.10, the next reservoir 2.15 and recycle pump 2.16, and the outlet of described upper reservoir 2.14 is connected with quenching chamber 2.12 inside by water inlet pipe 2.9; Water inlet pipe 2.9 is stretched in the quenching chamber 2.12 by work cell body 2.1 sidewalls, and the sealing of water inlet pipe 2.9 inner termination offers the some amount ostium excurrens 2.9.1 that Open Side Down on water inlet pipe 2.9 inner tube walls, and hardening liquid flows out downwards from ostium excurrens 2.9.1; Described return line 2.8, upflow tube 2.13 are connected with the next reservoir 2.15 by rising pipe 2.10, are provided with the interchanger 2.17 that keeps temperature-stable in the next reservoir 2.15; The outlet of the next reservoir 2.15 is connected via the import of recycle pump 2.16 with upper reservoir 2.14, and recycle pump 2.16 is used for hardening liquid is pumped into upper reservoir 2.14 by the next reservoir 2.15.
As shown in Figure 1, the water-in of described quenching chamber 2.12 is arranged on the front portion of quenching chamber 2.12.Because the quench fluid temperature that has just entered in the quenching chamber 2.12 is low, and just entered the steel wire A temperature height of quenching chamber 2.12, water-in is arranged on quenching chamber 2.12 front portions can make the high steel wire A of the low hardening liquid cooling temperature of temperature, has improved cooling efficiency.Above water-in, be provided with the water inlet stabilier 2.3 that keeps hardening liquid steadily to rise.Water inlet stabilier 2.3 can make hardening liquid steadily rise, and can not destroy the protective membrane on steel wire A surface, has avoided because protective membrane breaks the steel wire A that the causes phenomenon of sharply lowering the temperature, and guarantees that the sorbite metaplasia of steel wire A improves thorough.In addition, the ostium excurrens 2.9.1 purpose that Open Side Down on the described water inlet pipe 2.9 inner tube walls also is for hardening liquid is steadily risen.
Moving telescopic mechanism 2.4 in the utility model can select various ways for use, drives the function that controllable register 2.5 moves as long as have.Fig. 1, moving telescopic mechanism 2.4 shown in Figure 2 mainly are made up of regulating shaft 2.4.3, gear 2.4.2 and tooth bar 2.4.1, described regulating shaft 2.4.3 is installed in rotation on the work cell body 2.1, described gear 2.4.2 is installed in regulating shaft 2.4.3 two ends, described tooth bar 2.4.1 is connected with described controllable register 2.5, tooth bar 2.4.1 is meshed with gear 2.4.2, and gear 2.4.2 rotating band carry-over bar 2.4.1 moves; The two ends of described regulating shaft 2.4.3 are equipped with the regulating handle 2.4.4 that is used to rotate regulating shaft 2.4.3.
As shown in Figure 1, the part of upflow tube 2.13 in the utility model in work cell body 2.1 has certain altitude, the hardening liquid that overflows in the quenching chamber 2.12 partly is stored between controllable register 2.5 and work cell body 2.1 front portions, could flow out from upflow tube 2.13 until reaching the certain liquid level height, the hardening liquid of storing provides certain anchorage force can for controllable register 2.5, prevents because of the controllable register 2.5 poorly sealed hardening liquid seepages that cause.
As shown in Figure 1 and Figure 2, described holding furnace 3 comprises the body of heater 3.1 that relies on carriage 3.9 to support, entrance end at body of heater 3.1 is provided with into the stove closer 3.2 and the closer 3.8 of coming out of the stove, described body of heater 3.1 inside are burner hearth 3.3, be provided with cover block 3.4 and heating brick 3.5 in the burner hearth 3.3, described body of heater 3.1 tops are provided with cover plate 3.6.In addition, also be provided with the thermal insulation layer 3.7 that prevents that heat scatters and disappears in the described body of heater 3.1.
Concrete applicable cases of the present utility model is as follows:
Steel wire A through direct-fired heater 1 heat treated to 900 ℃ enters in the work cell body 2.1 of water quenching device 2 via a holder silk separated time brick 1.1, steel wire A relies on shrend inlet wire carrying roller 2.18 and shrend outlet carrying roller 2.6 to support, advance in the hardening liquid between fixed dam 2.2 and controllable register 2.5, described hardening liquid is the water that is added with water based quenching agent; 900 ℃ steel wire A enters in the hardening liquid, and by cryogenic hardening liquid cooling, the surface of high temperature steel wire A can form protective membrane, and this protective membrane can prevent that steel wire A temperature from sharply reducing.Described steel wire A walks for some time in hardening liquid, at this moment between the section in, the temperature of steel wire A is reduced between 550 ℃ ~ 630 ℃ the temperature range of i.e. sorbite structural transformation from 900 ℃.After steel wire A comes out from hardening liquid, promptly directly enter in the holding furnace 3, the temperature in the holding furnace 3 are controlled between 500 ℃ ~ 600 ℃, steel wire A continues to walk in holding furnace 3, thereby make changing of sorbite tissue more perfect.
Claims (9)
1. steel wire naked light heating shrend is incubated built-up type isothermal quenching equipment, it is characterized in that: comprise the water quenching device (2) and the holding furnace (3) that are provided with in turn along steel wire (A) transmission direction, described water quenching device (2) is arranged on the rear of direct-fired heater (1), direct-fired heater (1) exit is provided with the holder silk separated time brick (1.1) that is used for supporting steel wire (A), and steel wire (A) enters in the water quenching device (2) via holder silk separated time brick (1.1); Described holding furnace (3) is arranged on the rear of water quenching device (2), and the steel wire (A) that comes out in the water quenching device (2) directly enters holding furnace (3) inside.
2. steel wire naked light heating shrend insulation built-up type isothermal quenching equipment as claimed in claim 1, it is characterized in that: described water quenching device (2) comprises work cell body (2.1), cell body carriage (2.11), shrend inlet wire carrying roller (2.18), fixed dam (2.2), controllable register (2.5), moving telescopic mechanism (2.4), shrend outlet carrying roller (2.6), the hardening liquid recycle system and shrend outlet cover plate (2.7); Described work cell body (2.1) relies on cell body carriage (2.11) to support; Described shrend inlet wire carrying roller (2.18) is installed in work cell body (2.1) front portion; Described fixed dam (2.2) vertically is arranged on the front portion in the work cell body (2.1), controllable register (2.5) vertically is arranged on the rear portion in the work cell body (2.1), constitute a quenching chamber (2.12) that is used to hold hardening liquid between fixed dam (2.2) and the controllable register (2.5), quenching chamber (2.12) is provided with the water-in that is used to feed hardening liquid; Described controllable register (2.5) links to each other with moving telescopic mechanism (2.4), relies on moving telescopic mechanism (2.4) to drive in work cell body (2.1) and moves, to regulate the length of quenching chamber (2.12); Described shrend outlet carrying roller (2.6) is installed in controllable register (2.5) rear portion; Be provided with return line (2.8) between described fixed dam (2.2) and work cell body (2.1) front bulkhead, be provided with upflow tube (2.13) between described controllable register (2.5) and work cell body (2.1) aft end bulkhead, return line (2.8) and upflow tube (2.13) are connected with the hardening liquid recycle system respectively; Described shrend outlet cover plate (2.7) is arranged on the rear portion of work cell body (2.1) movably, and shrend outlet cover plate (2.7) is used for preventing that the steel wire (A) from hardening liquid comes out is directly exposed to the air.
3. steel wire naked light heating shrend insulation built-up type isothermal quenching equipment as claimed in claim 2, it is characterized in that: the described hardening liquid recycle system comprises upper reservoir (2.14), water inlet pipe (2.9), rising pipe (2.10), the next reservoir (2.15) and recycle pump (2.16), and the outlet of described upper reservoir (2.14) is connected with quenching chamber (2.12) inside by water inlet pipe (2.9); Described return line (2.8), upflow tube (2.13) are connected with the next reservoir (2.15) by rising pipe (2.10), are provided with the interchanger (2.17) that keeps temperature-stable in the next reservoir (2.15); The outlet of the next reservoir (2.15) is connected via the import of recycle pump (2.16) with upper reservoir (2.14), and recycle pump (2.16) is used for hardening liquid is pumped into upper reservoir (2.14) by the next reservoir (2.15).
4. steel wire naked light heating shrend insulation built-up type isothermal quenching equipment as claimed in claim 2, it is characterized in that: the water-in of described quenching chamber (2.12) is arranged on the front portion of quenching chamber (2.12), is provided with the water inlet stabilier (2.3) that keeps hardening liquid steadily to rise above water-in.
5. steel wire naked light heating shrend insulation built-up type isothermal quenching equipment as claimed in claim 2, it is characterized in that: described water inlet pipe (2.9) is stretched in the quenching chamber (2.12) by work cell body (2.1) sidewall, the sealing of water inlet pipe (2.9) inner termination offers the some amount ostium excurrens that Open Side Down (2.9.1) on the inner tube wall of water inlet pipe (2.9).
6. steel wire naked light heating shrend insulation built-up type isothermal quenching equipment as claimed in claim 2, it is characterized in that: described moving telescopic mechanism (2.4) comprises regulating shaft (2.4.3), gear (2.4.2) and tooth bar (2.4.1), described regulating shaft (2.4.3) is installed in rotation on the work cell body (2.1), described gear (2.4.2) is installed in regulating shaft (2.4.3) two ends, described tooth bar (2.4.1) is connected with described controllable register (2.5), tooth bar (2.4.1) is meshed with gear (2.4.2), and gear (2.4.2) rotating band carry-over bar (2.4.1) moves; The two ends of described regulating shaft (2.4.3) are equipped with the regulating handle (2.4.4) that is used to rotate regulating shaft (2.4.3).
7. steel wire naked light heating shrend insulation built-up type isothermal quenching equipment as claimed in claim 2, it is characterized in that: the part of described upflow tube (2.13) in work cell body (2.1) has certain altitude, so that can store the hardening liquid of certain liquid level between controllable register (2.5) and work cell body (2.1) front portion.
8. steel wire naked light heating shrend insulation built-up type isothermal quenching equipment as claimed in claim 1, it is characterized in that: described holding furnace (3) comprises the body of heater (3.1) that relies on carriage (3.9) to support, entrance end at body of heater (3.1) is provided with into stove closer (3.2) and the closer of coming out of the stove (3.8), described body of heater (3.1) inside is burner hearth (3.3), be provided with cover block (3.4) and heating brick (3.5) in the burner hearth (3.3), described body of heater (3.1) top is provided with cover plate (3.6).
9. steel wire naked light heating shrend insulation built-up type isothermal quenching equipment as claimed in claim 8 is characterized in that: be provided with the thermal insulation layer (3.7) that prevents that heat scatters and disappears in the described body of heater (3.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206912338U CN201933124U (en) | 2010-12-30 | 2010-12-30 | Water quenching and heat insulating combination type isothermal quenching equipment for heating steel wires by open fire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206912338U CN201933124U (en) | 2010-12-30 | 2010-12-30 | Water quenching and heat insulating combination type isothermal quenching equipment for heating steel wires by open fire |
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| Publication Number | Publication Date |
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| CN201933124U true CN201933124U (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206912338U Expired - Lifetime CN201933124U (en) | 2010-12-30 | 2010-12-30 | Water quenching and heat insulating combination type isothermal quenching equipment for heating steel wires by open fire |
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| CN (1) | CN201933124U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102010980A (en) * | 2010-12-30 | 2011-04-13 | 无锡市新科冶金设备有限公司 | Steel wire open firing, water quenching and thermal insulation combined isothermal quenching device |
| CN103361479A (en) * | 2013-07-25 | 2013-10-23 | 张家港市胜达钢绳有限公司 | Steel wire quenching equipment |
| CN105671270A (en) * | 2016-03-30 | 2016-06-15 | 张家港市东航机械有限公司 | Upper quenching tank of steel wire water bath cooling quenching unit |
| CN105803166A (en) * | 2016-04-28 | 2016-07-27 | 张家港市东航机械有限公司 | Steel wire water bathing and air cooling quenching unit |
| CN105803168A (en) * | 2016-04-28 | 2016-07-27 | 张家港市东航机械有限公司 | Water-bath quenching unit for steel wires |
-
2010
- 2010-12-30 CN CN2010206912338U patent/CN201933124U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102010980A (en) * | 2010-12-30 | 2011-04-13 | 无锡市新科冶金设备有限公司 | Steel wire open firing, water quenching and thermal insulation combined isothermal quenching device |
| CN103361479A (en) * | 2013-07-25 | 2013-10-23 | 张家港市胜达钢绳有限公司 | Steel wire quenching equipment |
| CN105671270A (en) * | 2016-03-30 | 2016-06-15 | 张家港市东航机械有限公司 | Upper quenching tank of steel wire water bath cooling quenching unit |
| CN105671270B (en) * | 2016-03-30 | 2018-05-18 | 张家港市东航机械有限公司 | A kind of upper quenching tank of steel wire water-bath cooling quenching unit |
| CN105803166A (en) * | 2016-04-28 | 2016-07-27 | 张家港市东航机械有限公司 | Steel wire water bathing and air cooling quenching unit |
| CN105803168A (en) * | 2016-04-28 | 2016-07-27 | 张家港市东航机械有限公司 | Water-bath quenching unit for steel wires |
| CN105803166B (en) * | 2016-04-28 | 2018-02-16 | 张家港市东航机械有限公司 | A kind of steel wire water-bath and dry quenching unit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110817 Effective date of abandoning: 20120502 |