CN201952463U - Thermal treatment furnace for steel wire continuous heating and cooling cyclic utilization - Google Patents
Thermal treatment furnace for steel wire continuous heating and cooling cyclic utilization Download PDFInfo
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- CN201952463U CN201952463U CN2010206655752U CN201020665575U CN201952463U CN 201952463 U CN201952463 U CN 201952463U CN 2010206655752 U CN2010206655752 U CN 2010206655752U CN 201020665575 U CN201020665575 U CN 201020665575U CN 201952463 U CN201952463 U CN 201952463U
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Abstract
The utility model relates to equipment for producing steel wires, in particular to a thermal treatment furnace for steel wire continuous heating and cooling cyclic utilization. The technical scheme includes that a heating furnace body and a heating hearth located in the heating furnace body are arranged in a heating section, at least two heating tubes are disposed in the heating hearth, a channel is arranged in each heating tube, steel wires can pass through the channels, a cooling section is disposed on the heating section, a cooling furnace body and at least two cooling tubes located in the cooling furnace body are arranged in the cooling section, the heating tubes and the cooling tubes are horizontally arrayed, the corresponding cooling tubes and the corresponding heating tubes are mutually communicated, a cooling sleeve is disposed outside each cooling tube, and a cooling channel is formed between each cooling tube and each cooling sleeve. Heat which is obtained by means of cooling steel wires which is led out from a heating furnace when at high temperature via forced air is used for preheating steel wires before entering the heating furnace or is used for other working procedures, and accordingly the heat can be sufficiently utilized so as to reduce waste of the heat.
Description
Technical field
The utility model relates to a kind of equipment of producing steel wire, and specifically a kind of steel wire heats cooling recycle heat treatment furnace continuously.
Background technology
In the process of producing steel wire, need heat-treat steel wire, as recrystallization annealing, steel wire normalizing and the steel wire isothermal quenching etc. of steel wire.Traditional Heat Treatment Furnace for Steel Wire comprises process furnace and isothermal quenching stove etc.During work, steel wire is come out of the stove to cool off or enter in the isothermal quenching stove and is quenched after moving continuously in process furnace and being heated to the temperature of certain processing requirement.In the Production for Steel Wire technology of routine, after steel wire was heated in continuous furnace and comes out of the stove about 750 ℃, refrigerative was referred to as steel wire recrystallize technology in air; After steel wire was heated to and comes out of the stove about 900 ℃, refrigerative was referred to as the steel wire normalizing process in air; Steel wire is after coming out of the stove about 900 ℃, and what enter the isothermal quenching stove then is the steel wire quenching technology.In above various conventional Production for Steel Wire technologies, the heat of high temperature steel wire is directly cooled away in air or in the quenchant mostly, is not fully utilized, and has caused great waste.
Summary of the invention
The purpose of this utility model is to design a kind of steel wire and heats cooling recycle heat treatment furnace continuously, the heat that steel wire when utilizing air blast cooling but high temperature being drawn in the process furnace obtains comes preheating to enter the steel wire before the process furnace or is used for other operation, to make full use of the waste that heat reduces heat.
According to the technical scheme that the utility model provides, steel wire heats cooling recycle heat treatment furnace continuously, comprises heating zone; Heating furnace body is arranged in heating zone, and be positioned at the intravital heating furnace of process furnace, heating tube is arranged in heating furnace, the passage that allows steel wire to pass through is arranged in heating tube; It is characterized in that: the position corresponding to the steel wire outlet on heating zone is provided with cooling section, the cooling body of heater is arranged in cooling section, and be positioned at the intravital cooling tube of cool furnace; The passage that allows steel wire to pass through is arranged in cooling tube; Described heating tube and cooling tube are that level is arranged and at least all have two, and corresponding cooling tube and heating tube are interconnected; On cooling section, form the steel wire exit end; Outside at cooling tube is provided with cooling jacket, forms the cooling channel between described cooling tube and cooling jacket; And the blast inlet of described cooling channel is positioned at the steel wire exit end, and the air outlet of described cooling channel is positioned at the end of cooling section near heating zone.
Hot air duct is set on heating zone, and the blast inlet of described hot air duct utilizes connecting tube to be connected with the air outlet of cooling channel.Position corresponding to the steel wire import on heating zone is provided with preheating section, and the preheating body of heater is arranged in preheating section, and is positioned at the intravital preheating tube of preheating oven; The quantity of described preheating tube is identical with heating tube, and the passage that allows steel wire to pass through is arranged in preheating tube; Corresponding preheating tube and heating tube are interconnected; On preheating section, form the steel wire entrance end; In the outside of preheating tube pre-thermal sleeve is set, between preheating tube and pre-thermal sleeve, forms preheating channel; The blast inlet of described preheating channel is positioned at the end near heating zone, and the air outlet of preheating channel is positioned at the steel wire entrance end; The blast inlet of preheating channel utilizes connecting tube to be connected with the air outlet of hot air duct.
The cooling air outlet box is set on the connecting tube between the blast inlet of cooling channel and hot air duct.On the connecting tube between the air outlet of the blast inlet of preheating channel and hot air duct, the preheating inlet box is set; Air outlet at preheating channel utilizes connecting tube to connect the preheating air outlet box.In the end of preheating channel the preheating plug is set; In the end of cooling channel the cooling plug is set.
Described preheating body of heater comprises preheating grate and preheating insulation layer; Described heating furnace body comprises heating grate and heat tracing layer; Described cooling body of heater comprises cooling grate and cooling thermal insulation layer; At the steel wire exit end branch coil holder is set.In the adapter that is provided in preheating tube, carrying shielding gas on the preheating tube near the position of steel wire entrance end.Position near the steel wire exit end on cooling tube is provided with the oil-sand joint sealing; During work, steel wire passes the sand that is positioned at the oil-sand joint sealing; Be provided for collecting the sandbox that connects of the sand taken out of by steel wire on the next door of oil-sand joint sealing.Blast inlet in the cooling channel utilizes connecting tube to connect the water smoke cold blast engine, on the blast inlet of cooling channel and the connecting tube between the water smoke cold blast engine cooling inlet box is set; The water smoke cooling blower) blast inlet utilizes pipe connection with the air outlet of preheating air outlet box again, make heat energy be able to recycle, form the blast air of a complete cold and hot exchange opposite, finish the system that heating, refrigeration cycle utilize heat energy with the steel wire traffic direction.
The utility model has the advantages that: owing to be provided with the cooling channel at cooling section, during work, the cold wind that in the cooling channel, feeds, the heat that inside is installed with on the cooling tube of high temperature steel wire is taken away, heated cold wind becomes hot blast, this hot blast can be used for preheating steel wire in the preheating section, also can deliver to later process and use.This hot blast can also be connected to the blast inlet of water smoke cooling blower, make heat energy be able to recycle, form the blast air of a complete cold and hot exchange opposite, finish the system that heating, refrigeration cycle utilize heat energy with the steel wire traffic direction.Enforcement of the present utility model will be energy-conservation more about more than 75% than traditional steel wire continuous heat treating furnace, can also realize the processing requirements such as annealing, normalizing, quenching and isothermal quenching of steel wire simultaneously by the power of regulating air blast cooling.
Description of drawings
Fig. 1 is a structure iron of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the enlarged view of A among Fig. 1.
Fig. 4 is the enlarged view of B among Fig. 1.
Embodiment
As shown in the figure: described steel wire heats cooling recycle heat treatment furnace continuously, comprises continuous preheating section 1, heating zone 2 and the cooling section 4 of order successively; Preheating body of heater 1.1 is arranged in preheating section 1, and be positioned at the preheating tube 1.4 of preheating body of heater 1.1; Heating furnace body 2.5 is arranged in heating zone 2, and be positioned at the heating furnace 2.3 of heating furnace body 2.5, heating tube 2.1 is arranged in heating furnace 2.3; Cooling body of heater 4.1 is arranged in cooling section 4, and be positioned at the cooling tube 4.4 of cooling body of heater 4.1; The passage that allows steel wire to pass through is arranged in described preheating tube 1.4, heating tube 2.1 and the cooling tube 4.4, and be interconnected; On preheating section 1, form the steel wire entrance end, on cooling section 4, form the steel wire exit end; In the outside of cooling tube 4.4 cooling jacket 4.41 is set, forms cooling channel 4.42 at described cooling tube 4.4 and 4.41 of cooling jackets; And the blast inlet of described cooling channel 4.42 is positioned at the steel wire exit end, and the air outlet of described cooling channel 4.42 is positioned at the end of cooling section 4 near heating zone 2.Hot air duct 3 is set on heating zone 2, and the blast inlet of described hot air duct 3 is connected with cooling air outlet box 4.6, and cooling air outlet box 4.6 utilizes connecting tube to be connected with the air outlet of cooling channel 4.42.Pre-thermal sleeve 1.41 is set in the outside of preheating tube 1.4, forms preheating channel 1.42 at preheating tube 1.4 and 1.41 of pre-thermal sleeves; The blast inlet of described preheating channel 1.42 is positioned at the end near heating zone 2, and the air outlet of preheating channel 1.42 is positioned at the steel wire entrance end; The blast inlet of preheating channel 1.42 utilizes connecting tube to be connected with preheating inlet box 1.7, and preheating inlet box 1.7 is connected with the air outlet of hot air duct 3.During work, steel wire 7 enters in the preheating tube 1.4 from the steel wire entrance end, after utilizing preheating channel 1.42 interior hot blasts to make preheating tube 1.4 interior steel wires 7 be preheated to 350 ~ 500 ℃, enter in the heating tube 2.1 of heating zone 2, in heating zone 2 steel wire 7 is heated to 750 ~ 920 ℃, and then enter in the cooling tube 4.4 and cool off, make the temperature of steel wire 7 be cooled to 100 ~ 150 ℃.In heating zone 2, can utilize electrically heated, Sweet natural gas heating, coal heating or oil heating; The temperature of burner hearth internal heating medium is 900 ~ 1050 ℃.Actual temp is decided by processing requirement.In whole preheating, heating and process of cooling, steel wire 7 passes through in airtight and the preheating tube 1.4, heating tube 2.1 and the cooling tube 4.4 that are interconnected continuously, does not contact with the external world, in order to avoid steel wire oxidized corrosion under the condition of high temperature.Described hot air duct 3 can be arranged at the bottom of heating zone 2, and the outside covering and heat insulating layer 3.1 of described hot air duct 3 is provided with flange 3.2 at the both ends of hot air duct 3, so that connect.
Cooling air outlet box 4.6 is set on the connecting tube between the blast inlet of cooling channel 4.42 and hot air duct 3.On the connecting tube between the air outlet of the blast inlet of preheating channel 1.42 and hot air duct 3, preheating inlet box 1.7 is set; Air outlet at preheating channel 1.42 utilizes connecting tube to connect preheating air outlet box 1.6.Described cooling air outlet box 4.6, preheating inlet box 1.7 and preheating air outlet box 1.6 can play shock absorption, make hot blast at this thorough mixing.And every pipeline is cooled off and preheating uniformly.
In the end of preheating channel 1.42 preheating plug 1.45 is set; 4.42 end is provided with cooling plug 4.46 in the cooling channel.After preheating plug 1.45 being set and cooling off plug 4.46, can avoid hot blast to leak.
Described preheating body of heater 1.1 comprises preheating grate 1.2 and preheating insulation layer; Described heating furnace body 2.5 comprises heating grate and heat tracing layer; Described cooling body of heater 4.1 comprises cooling grate and cooling thermal insulation layer 4.1; Preheating grate 1.2 wherein, heating grate 2.4 and 4.2 skeleton functions of cooling grate are respectively applied for and support preheating body of heater 1.1 and preheating tube 1.4, heating furnace body 2.5 and heating tube 2.1 and cooling body of heater 4.1 and cooling tube 4.4.Preheating insulation layer, heat tracing layer and cooling thermal insulation layer 4.1 play the heat-insulation and heat-preservation effect.At the steel wire exit end branch coil holder 6 is set, is used for collecting and arrangement steel wire 7.In the adapter 1.9 that is provided in preheating tube 1.4, carrying shielding gas on the preheating tube 1.4 near the position of steel wire entrance end; during work; utilize adapter 1.9 in preheating tube 1.4, heating tube 2.1 and cooling tube 4.4, to carry ammonia decomposing protection gas, the steel wires 7 in preheating tube 1.4, heating tube 2.1 and the cooling tube 4.4 are protected.
Position near the steel wire exit end on cooling tube 4.4 is provided with oil-sand joint sealing 5; During work, steel wire passes the oil-sand that is positioned at oil-sand joint sealing 5, utilizes the isolated outside air of oil-sand to enter in the cooling tube 4.4; What be provided for collecting the oil-sand taken out of by steel wire on the next door of oil-sand joint sealing 5 connects sandbox 5.1.
4.42 blast inlet utilizes connecting tube to connect water smoke cold blast engine 4.8 in the cooling channel, utilizes water smoke cold blast engine 4.8 to dry in cooling channel 4.42, to reduce the temperature of steel wire 7 in the cooling tube 4.4.On the connecting tube of 4.8 of the blast inlet of cooling channel 4.42 and water smoke cold blast engines, cooling inlet box 4.7 is set, with steady air flow.The blast inlet of water smoke cooling blower 4.8 can and the air outlet of preheating air outlet box 1.6 between utilize pipe connection, make heat energy be able to recycle; Form the blast air of a complete cold and hot exchange opposite, finish the system of heating cooling recycle heat energy with the steel wire traffic direction.
Among Fig. 1 4.3 is cappings of cooling body of heater 4.1; 1.3 be the capping of preheating body of heater 1.1; 4.5 be the base of cooling body of heater; 1.8 with 4.9 are connecting tubes; 2.2 be the support brick that is used to support heating tube 2.1 in the heating furnace 2.3.The power of the wind speed when the utility model can utilize the travelling speed of the temperature of regulating and controlling heating steel wire and steel wire and control cold and hot exchange satisfies the various manufacturing technique requirents of Steel Wire Heat Treatment.
Claims (10)
1. steel wire heats cooling recycle heat treatment furnace continuously, comprises heating zone (2); Heating furnace body (2.5) is arranged in heating zone (2), and be positioned at the heating furnace (2.3) of heating furnace body (2.5), heating tube (2.1) is arranged in heating furnace (2.3), the passage that allows steel wire to pass through is arranged in heating tube (2.1); It is characterized in that: the position of going up corresponding to the steel wire outlet in heating zone (2) is provided with cooling section (4), and cooling body of heater (4.1) is arranged in cooling section (4), and is positioned at the cooling tube (4.4) of cooling body of heater (4.1); The passage that allows steel wire to pass through is arranged in cooling tube (4.4); Described heating tube (2.1) and cooling tube (4.4) level of being are arranged and are at least all had two, and corresponding cooling tube (4.4) is interconnected with heating tube (2.1); Go up formation steel wire exit end at cooling section (4); In the outside of cooling tube (4.4) cooling jacket (4.41) is set, between described cooling tube (4.4) and cooling jacket (4.41), forms cooling channel (4.42); And the blast inlet of described cooling channel (4.42) is positioned at the steel wire exit end, and the air outlet of described cooling channel (4.42) is positioned at the end of cooling section (4) near heating zone (2).
2. steel wire as claimed in claim 1 heats cooling recycle heat treatment furnace continuously, it is characterized in that: hot air duct (3) is set on heating zone (2), and the blast inlet of described hot air duct (3) utilizes connecting tube to be connected with the air outlet of cooling channel (4.42).
3. steel wire as claimed in claim 2 heats cooling recycle heat treatment furnace continuously, it is characterized in that: the position of going up corresponding to the steel wire import in heating zone (2) is provided with preheating section (1), preheating body of heater (1.1) is arranged in preheating section (1), and be positioned at the preheating tube (1.4) of preheating body of heater (1.1); The quantity of described preheating tube (1.4) is identical with heating tube (2.1), and the passage that allows steel wire to pass through is arranged in preheating tube (1.4); Corresponding preheating tube (1.4) is interconnected with heating tube (2.1); Go up formation steel wire entrance end at preheating section (1);
In the outside of preheating tube (1.4) pre-thermal sleeve (1.41) is set, between preheating tube (1.4) and pre-thermal sleeve (1.41), forms preheating channel (1.42); The blast inlet of described preheating channel (1.42) is positioned at the end near heating zone (2), and the air outlet of preheating channel (1.42) is positioned at the steel wire entrance end; The blast inlet of preheating channel (1.42) utilizes connecting tube to be connected with the air outlet of hot air duct (3).
4. steel wire as claimed in claim 2 heats cooling recycle heat treatment furnace continuously, it is characterized in that: cooling air outlet box (4.6) is set on the connecting tube between the blast inlet of cooling channel (4.42) and hot air duct (3).
5. steel wire as claimed in claim 3 heats cooling recycle heat treatment furnace continuously, it is characterized in that: on the connecting tube between the air outlet of the blast inlet of preheating channel (1.42) and hot air duct (3) preheating inlet box (1.7) is set; Air outlet at preheating channel (1.42) utilizes connecting tube to connect preheating air outlet box (1.6).
6. steel wire as claimed in claim 3 heats cooling recycle heat treatment furnace continuously, it is characterized in that: in the end of preheating channel (1.42) preheating plug (1.45) is set; The end of (4.42) is provided with cooling plug (4.47) in the cooling channel.
7. steel wire as claimed in claim 3 heats cooling recycle heat treatment furnace continuously, and it is characterized in that: described preheating body of heater (1.1) comprises preheating grate (1.2) and preheating insulation layer; Described heating furnace body (2.5) comprises heating grate and heat tracing layer; Described cooling body of heater (4.1) comprises cooling grate and cooling thermal insulation layer (4.1); At the steel wire exit end branch coil holder (6) is set.
8. steel wire as claimed in claim 3 heats cooling recycle heat treatment furnace continuously, it is characterized in that: go up the adapter (1.9) that is provided for carrying shielding gas near the position of steel wire entrance end in preheating tube (1.4) at preheating tube (1.4).
9. steel wire as claimed in claim 1 heats cooling recycle heat treatment furnace continuously, and it is characterized in that: the position of going up near the steel wire exit end at cooling tube (4.4) is provided with oil-sand joint sealing (5); During work, steel wire passes the sand that is positioned at oil-sand joint sealing (5); What be provided for collecting the sand taken out of by steel wire on the next door of oil-sand joint sealing (5) connects sandbox (5.1).
10. steel wire as claimed in claim 5 heats cooling recycle heat treatment furnace continuously, it is characterized in that: the blast inlet of (4.42) utilizes connecting tube to connect water smoke cold blast engine (4.8) in the cooling channel, is provided with on the blast inlet of cooling channel (4.42) and the connecting tube between water smoke cold blast engine (4.8) and cools off inlet box (4.7); The blast inlet of water smoke cooling blower (4.8) utilizes pipe connection with the air outlet of preheating air outlet box (1.6) again, make heat energy be able to recycle, form the blast air of a complete cold and hot exchange opposite, finish the system that heating, refrigeration cycle utilize heat energy with the steel wire traffic direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206655752U CN201952463U (en) | 2010-12-17 | 2010-12-17 | Thermal treatment furnace for steel wire continuous heating and cooling cyclic utilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206655752U CN201952463U (en) | 2010-12-17 | 2010-12-17 | Thermal treatment furnace for steel wire continuous heating and cooling cyclic utilization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201952463U true CN201952463U (en) | 2011-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206655752U Expired - Lifetime CN201952463U (en) | 2010-12-17 | 2010-12-17 | Thermal treatment furnace for steel wire continuous heating and cooling cyclic utilization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201952463U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061375A (en) * | 2010-12-17 | 2011-05-18 | 无锡市新科冶金设备有限公司 | Thermal treatment furnace for carrying out continuous heating and cooling circulation on steel wires |
| CN102417967A (en) * | 2011-11-24 | 2012-04-18 | 无锡市新科冶金设备有限公司 | Electric-heating hearth-less multi-hole steel-wire heat-treatment furnace |
| CN110234775A (en) * | 2017-02-02 | 2019-09-13 | 杰富意钢铁株式会社 | Continuous annealing furnace |
-
2010
- 2010-12-17 CN CN2010206655752U patent/CN201952463U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061375A (en) * | 2010-12-17 | 2011-05-18 | 无锡市新科冶金设备有限公司 | Thermal treatment furnace for carrying out continuous heating and cooling circulation on steel wires |
| CN102417967A (en) * | 2011-11-24 | 2012-04-18 | 无锡市新科冶金设备有限公司 | Electric-heating hearth-less multi-hole steel-wire heat-treatment furnace |
| CN110234775A (en) * | 2017-02-02 | 2019-09-13 | 杰富意钢铁株式会社 | Continuous annealing furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110831 Effective date of abandoning: 20120523 |