CN202322942U - Electric-heating no-hearth porous upper-sealing-cover type steel-wire heat treatment furnace - Google Patents
Electric-heating no-hearth porous upper-sealing-cover type steel-wire heat treatment furnace Download PDFInfo
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- CN202322942U CN202322942U CN2011204733785U CN201120473378U CN202322942U CN 202322942 U CN202322942 U CN 202322942U CN 2011204733785 U CN2011204733785 U CN 2011204733785U CN 201120473378 U CN201120473378 U CN 201120473378U CN 202322942 U CN202322942 U CN 202322942U
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Abstract
The utility model relates to an electric-heating no-hearth porous upper-sealing-cover type steel-wire heat treatment furnace. The utility model adopts the technical scheme that porous brick components are made of fire-resistant heat conducting materials, and are distributed in a furnace body along the length direction of the furnace body; a plurality of steel wire holes which are arranged along the length direction and are parallel with each other are arranged at the top parts of the porous brick components; a plurality of electric heating wire holes which are arranged along the width direction and are parallel with each other are arranged at the lower parts of the porous brick components; cover brick components are made of fire-resistant materials and cover on the porous brick components; an insulating material layer is arranged at the peripheries of each porous brick component and each cover brick component; the two ends of each electric heating wire hole on the porous brick components are respectively and correspondingly communicated with an electric heating wire sleeve; the electric heating wire sleeves penetrate through the insulating material layer and extend out of the side wall of the furnace body; electric heating wires are arranged in the electric heating wire sleeves and the electric heating wire holes in a penetrating manner; and the two ends of the electric heating wires are conducted with a power supply. The electric-heating no-hearth porous upper-sealing-cover type steel-wire heat treatment furnace has the advantages that the structure is compact and reasonable, a hearth is not needed, the occupied space is small, the maintenance and cleaning are convenient, the safety is high, the insulating performance is good and the heat conducting efficiency is high.
Description
Technical field
The utility model belongs to the Steel Wire Heat Treatment equipment technical field, and specifically relating to a kind of electrically heated does not have burner hearth porous upper cover formula Heat Treatment Furnace for Steel Wire.
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 property are more outstanding.
Heat Treatment Furnace for Steel Wire commonly used now mainly contains several kinds of retort furnace, boiling particle furnace, lead bath furnace and nichrome wire thermal radiation poling formula heat treatment furnaces etc.First three heat treatment furnace complex structure, it is big to take up space, and energy consumption is bigger, and heat-insulating property is poor.Last a kind of poling formula heat treatment furnace is used wider owing to having the advantage of saving energy consumption.But mainly there is following problem in existing poling formula heat treatment furnace: (1) is used to wear the heat-resistance stainless steel pipe range time of silk and is heated, and burnt out easily, and it is higher to wear the heat-resistance stainless steel pipe value ratio of silk, burns out the back and changes inconveniently, and what influence was produced carries out smoothly; (2) wear the bottom that the heat-resistance stainless steel pipe of silk directly bears heat and burnt out more easily, can produce oxide debris after the heat-resistance stainless steel pipe burns out, oxide debris drops on the nichrome wire of bottom, causes the nichrome wire short circuit easily, causes nichrome wire to burn.
In addition, existing heat treatment furnace all need be provided with burner hearth, and burner hearth is built into by refractory brick, and the long heating furnace of large span at high temperature uses the back easy deformation for a long time, collapses, and work-ing life is shorter, and the integral heat insulation poor effect, and energy waste is big.
Summary of the invention
The purpose of the utility model is to overcome the deficiency that exists in the prior art, provides a kind of electrically heated not have burner hearth porous upper cover formula Heat Treatment Furnace for Steel Wire, and its compact construction is reasonable; Need not to be provided with burner hearth, it is little to take up room, and repair and maintenance and cleaning are convenient; Safe; Good heat insulating, heat transfer efficiency is high, and HU can reach 90%.
The technical scheme that provides according to the utility model: electrically heated does not have burner hearth porous upper cover formula Heat Treatment Furnace for Steel Wire; Comprise the body of heater that relies on stent support; Be provided with inlet wire at body of heater one end and divide coil holder; Be provided with the wire connections that goes out that is used to connect next stage equipment at the body of heater the other end; It is characterized in that: said heat treatment furnace also comprises hole tile assembly, cover block assembly, nichrome wire sleeve pipe and nichrome wire, and said hole tile assembly adopts fire-resistant thermally conductive material to process, and the hole tile assembly is arranged in the body of heater along the body of heater length direction; The tile assembly top is provided with a plurality ofly along its length direction and the threaded hole of steel that is parallel to each other in the hole, in tile assembly bottom, hole, is provided with a plurality of along its width and the nichrome wire hole that is parallel to each other; Said cover block assembly adopts refractory materials to process, and the cover block module cover is on the tile assembly of hole; Said adiabator layer is arranged on around hole tile assembly and the cover block assembly; Each two ends, nichrome wire hole on the tile assembly of said hole respectively with a corresponding connection of nichrome wire sleeve pipe, the nichrome wire sleeve pipe runs through adiabator layer and stretches out from sidewall of the furnace body, said nichrome wire is located in nichrome wire sleeve pipe and the nichrome wire hole, nichrome wire two ends energized.
As the further improvement of the utility model, the material of said hole tile assembly is a carbofrax material.
As the further improvement of the utility model, said hole tile assembly is mainly spliced by polylith hole brick in order to be formed, and the threaded hole of steel on the tile assembly of hole is that the transverse section is the slotted eye of U-shaped; Said cover block assembly is spliced by the polylith cover block in order to be formed, and the cover block lower surface is the plane.
As the further improvement of the utility model, be fitted with the sleeve pipe stifle in the said nichrome wire sleeve pipe external port.
As the further improvement of the utility model, said body of heater both sides are provided with the terminal box of arranging along the body of heater length direction, in the thereto of said nichrome wire two ends, and terminal box and power connection.
As the further improvement of the utility model, said hole tile assembly is provided with the measuring and controlling temp hole of a plurality of equidistant distributions, and measuring and controlling temp is provided with thermopair in the hole.
Further improvement as the utility model is equiped with the heat-resistance stainless steel pipe in the said threaded hole of steel, feeding in the steel pipe has protective atmosphere.Said protective atmosphere can adopt decomposed ammonia or nitrogen.
As the further improvement of the utility model, enclose carbonaceousmaterial in outlet one end of said threaded hole of steel, to produce restitutive protection's atmosphere.Said carbonaceousmaterial is coke or charcoal, and the protection restitutive protection atmosphere of generation is carbon monoxide.
The utility model compared with prior art, advantage is: (1) the utility model compact construction is reasonable, and burner hearth is not set, but is provided with hole tile assembly and cover block assembly, steel wire is directly walked in the threaded hole of steel in the tile assembly of hole, it is little to take up room; (2) the hole tile assembly adopts carbofrax material to process; Good heat insulating, heat transfer efficiency is high, having a narrow range of temperature between nichrome wire and the steel wire; The heat that nichrome wire sends can conduct to steel wire through the hole tile assembly very soon and take out of; HU can reach 90%, compares with heat treatment furnace in the past, and HU has improved about 30%; And because the heat conductive performance of silit is good, heat can not accumulate in nichrome wire and cause nichrome wire overheated on every side, has prolonged the work-ing life of nichrome wire; (3) the hole tile assembly is spliced by polylith hole brick, and the cover block assembly is spliced by the polylith cover block, fast changeable during damage, and repair and maintenance is convenient; When (4) threaded hole of steel is blocked, can the cover block assembly be opened, easy cleaning is safeguarded; (5) for the specification of quality high product; Can in threaded hole of steel, add the heat-resistance stainless steel pipe, steel wire is through in the steel pipe, feeds protective atmosphere such as decomposed ammonia or nitrogen in the steel pipe; Can avoid steel pipe dropped on nichrome wire by thermogenetic oxide debris like this, safe.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the A-A sectional view among Fig. 1.
Fig. 3 is the B portion enlarged diagram among Fig. 2.
Description of reference numerals: 1-steel wire, 2-inlet wire divide coil holder, 3-hole brick, 3.1-nichrome wire hole, 3.2-threaded hole of steel, 4-body of heater, 5-adiabator layer, 6-support, 7-nichrome wire, 8-nichrome wire sleeve pipe, 9-sleeve pipe stifle, 10-terminal box, 11-to go out wire connections, 12-measuring and controlling temp hole, 13-cover block.
Embodiment
Below in conjunction with concrete accompanying drawing and embodiment the utility model is described further.
As shown in the figure: the electrically heated among the embodiment does not have burner hearth porous upper cover formula Heat Treatment Furnace for Steel Wire and is mainly divided coil holder 2, hole tile assembly, body of heater 4, adiabator layer 5, support 6, nichrome wire 7, nichrome wire sleeve pipe 8, sleeve pipe stifle 9, terminal box 10, gone out wire connections 11 and cover block 13 is formed by inlet wire.
Like Fig. 1 ~ shown in Figure 3, said body of heater 4 is a steelwork, and body of heater 4 relies on supports 6 to support, be provided with inlet wire at body of heater 4 one ends and divide coil holder 2, body of heater 4 the other ends be provided be used to connect next stage equipment go out wire connections 11; Said hole tile assembly adopts the carbofrax material of fire-resistant heat conduction to process; The hole tile assembly is arranged in the body of heater 4 along body of heater 4 length directions; The tile assembly top is provided with a plurality ofly along its length direction and the threaded hole of steel 3.2 that is parallel to each other in the hole, in tile assembly bottom, hole, is provided with a plurality of along its width and the nichrome wire hole 3.1 that is parallel to each other; Said cover block assembly adopts refractory materials to process, and the cover block module cover is on the tile assembly of hole; Said adiabator layer 5 is arranged on around hole tile assembly and the cover block assembly; Each 3.1 two ends, nichrome wire hole on the tile assembly of said hole respectively with the 8 corresponding connections of a nichrome wire sleeve pipe; Nichrome wire sleeve pipe 8 runs through adiabator layer 5 and stretches out from body of heater 4 sidewalls; Said nichrome wire 7 is located in nichrome wire sleeve pipe 8 and the nichrome wire hole 3.1, nichrome wire 7 two ends energized.
As shown in Figure 1, said hole tile assembly is spliced by polylith hole brick 3 in order to be formed, and the threaded hole of steel 3.2 on the tile assembly of hole is that the transverse section is the slotted eye of U-shaped; Said cover block assembly is spliced by polylith cover block 13 in order to be formed, and cover block 13 lower surfaces are the plane.Because the hole tile assembly is to be spliced by polylith hole brick 3; The cover block assembly is spliced by polylith cover block 13; In process of production, fast changeable when a certain or a few hole bricks 3 or cover block 13 damage brings great convenience for the repair and maintenance of heat treatment furnace.In addition, when threaded hole of steel 3.2 is blocked, can the cover block assembly be opened, easy cleaning is safeguarded.
Like Fig. 1, shown in Figure 2, be fitted with sleeve pipe stifle 9 in said nichrome wire sleeve pipe 8 external port.The heat shutoff that sleeve pipe stifle 9 is used for nichrome wire 7 is sent avoids heat to leak in body of heater 4, has improved the HU of heat treatment furnace.
As shown in Figure 2, said body of heater 4 both sides are provided with the terminal box 10 of arranging along body of heater 4 length directions, in the said nichrome wire 7 two ends theretos 10, and terminal box 10 and power connection.Through terminal box 10 is set, can make the circuit layout on the whole heat treatment furnace more succinct, not only elegant in appearance, and easy access is safeguarded.
As shown in Figure 1; Said hole tile assembly is provided with the measuring and controlling temp hole 12 of a plurality of equidistant distributions; Be provided with thermopair in the measuring and controlling temp hole 12; Thermopair is connected with system, and the temperature information in the body of heater 4 is transferred to system, controls the Heating temperature of nichrome wire 7 by system according to setting technology.
When the product that needs the quality of production to have relatively high expectations, need protective atmosphere around the steel wire 1, to prevent its oxidation.Product for the different mass class requirement; The form and the composition that feed protective atmosphere are also different; For the certain mass class requirement is arranged is not again extra high product still; Can in outlet one end of threaded hole of steel 3.2, enclose carbonaceousmaterial such as coke or charcoal, produce the carbon monoxide protective atmosphere of reductibility when coke or charcoal incomplete combustion, not oxidated with protection steel wire 1.For the very high product of quality grade; Can also wear the heat-resistance stainless steel pipe in the said threaded hole of steel 3.2; Feed protective atmospheres such as decomposed ammonia or nitrogen in the steel pipe; And can avoid steel pipe dropped on nichrome wire 7 by thermogenetic oxide debris like this, guaranteed the security of the utility model heat treatment furnace.
During concrete the application; Steel wire 1 comes out from the upper level treatment facility after penetrate the threaded hole of steel 3.2 in the tile assembly of hole after dividing coil holder 2 separated times by inlet wire; Nichrome wire 7 heating powers conduct the hole tile assembly of processing to carbofrax material with heat, and the heat that nichrome wire 7 sends conducts to steel wire 1 through the hole tile assembly very soon; Steel wire 1 is walked under the Heating temperature of setting, and after heating, passes and get into the next stage treatment facility from threaded hole of steel 3.2.
Claims (10)
1. electrically heated does not have burner hearth porous upper cover formula Heat Treatment Furnace for Steel Wire; Comprise the body of heater (4) that relies on support (6) to support; Be provided with inlet wire at body of heater (4) one ends and divide coil holder (2); Body of heater (4) the other end be provided be used to connect next stage equipment go out wire connections (11); It is characterized in that: said heat treatment furnace also comprises hole tile assembly, cover block assembly, nichrome wire sleeve pipe (8) and nichrome wire (7), and said hole tile assembly adopts fire-resistant thermally conductive material to process, and the hole tile assembly is arranged in the body of heater (4) along body of heater (4) length direction; The tile assembly top is provided with a plurality ofly along its length direction and the threaded hole of steel (3.2) that is parallel to each other in the hole, in tile assembly bottom, hole, is provided with a plurality of along its width and the nichrome wire hole (3.1) that is parallel to each other; Said cover block assembly adopts refractory materials to process, and the cover block module cover is on the tile assembly of hole; Said adiabator layer (5) is arranged on around hole tile assembly and the cover block assembly; Each two ends, nichrome wire hole (3.1) on the tile assembly of said hole respectively with the corresponding connection of a nichrome wire sleeve pipe (8); Nichrome wire sleeve pipe (8) runs through adiabator layer (5) and stretches out from body of heater (4) sidewall; Said nichrome wire (7) is located in nichrome wire sleeve pipe (8) and nichrome wire hole (3.1), nichrome wire (7) two ends energized.
2. electrically heated as claimed in claim 1 does not have burner hearth porous upper cover formula Heat Treatment Furnace for Steel Wire, and it is characterized in that: the material of said hole tile assembly is a carbofrax material.
3. electrically heated as claimed in claim 1 does not have burner hearth porous upper cover formula Heat Treatment Furnace for Steel Wire, it is characterized in that: said hole tile assembly is mainly spliced by polylith hole brick (3) in order to be formed, and the threaded hole of steel on the tile assembly of hole (3.2) is that the transverse section is the slotted eye of U-shaped; Said cover block assembly is spliced by polylith cover block (13) in order to be formed, and cover block (13) lower surface is the plane.
4. electrically heated as claimed in claim 1 does not have burner hearth porous upper cover formula Heat Treatment Furnace for Steel Wire, it is characterized in that: be fitted with sleeve pipe stifle (9) in said nichrome wire sleeve pipe (8) external port.
5. electrically heated as claimed in claim 1 does not have burner hearth porous upper cover formula Heat Treatment Furnace for Steel Wire; It is characterized in that: said body of heater (4) both sides are provided with the terminal box (10) of arranging along body of heater (4) length direction; In said nichrome wire (7) the two ends theretos (10), terminal box (10) and power connection.
6. electrically heated as claimed in claim 1 does not have burner hearth porous upper cover formula Heat Treatment Furnace for Steel Wire, it is characterized in that: said hole tile assembly is provided with the measuring and controlling temp hole (12) of a plurality of equidistant distributions, and the measuring and controlling temp hole is provided with thermopair in (12).
7. electrically heated as claimed in claim 1 does not have burner hearth porous upper cover formula Heat Treatment Furnace for Steel Wire, and it is characterized in that: said threaded hole of steel is equipped with the heat-resistance stainless steel pipe in (3.2), and feeding in the steel pipe has protective atmosphere.
8. electrically heated as claimed in claim 7 does not have burner hearth porous upper cover formula Heat Treatment Furnace for Steel Wire, it is characterized in that: said protective atmosphere adopts decomposed ammonia or nitrogen.
9. electrically heated as claimed in claim 1 does not have burner hearth porous upper cover formula Heat Treatment Furnace for Steel Wire, it is characterized in that: enclose carbonaceousmaterial in outlet one end of said threaded hole of steel (3.2), to produce restitutive protection's atmosphere.
10. electrically heated as claimed in claim 9 does not have burner hearth porous upper cover formula Heat Treatment Furnace for Steel Wire, and it is characterized in that: said carbonaceousmaterial is coke or charcoal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204733785U CN202322942U (en) | 2011-11-24 | 2011-11-24 | Electric-heating no-hearth porous upper-sealing-cover type steel-wire heat treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204733785U CN202322942U (en) | 2011-11-24 | 2011-11-24 | Electric-heating no-hearth porous upper-sealing-cover type steel-wire heat treatment furnace |
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| Publication Number | Publication Date |
|---|---|
| CN202322942U true CN202322942U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204733785U Expired - Lifetime CN202322942U (en) | 2011-11-24 | 2011-11-24 | Electric-heating no-hearth porous upper-sealing-cover type steel-wire heat treatment furnace |
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| CN (1) | CN202322942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066697A (en) * | 2015-08-11 | 2015-11-18 | 江苏佰事德炉业有限公司 | Online slab heating furnace |
-
2011
- 2011-11-24 CN CN2011204733785U patent/CN202322942U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066697A (en) * | 2015-08-11 | 2015-11-18 | 江苏佰事德炉业有限公司 | Online slab heating furnace |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |