CN202973857U - Bogie-hearth resistance furnace - Google Patents
Bogie-hearth resistance furnace Download PDFInfo
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- CN202973857U CN202973857U CN 201220615211 CN201220615211U CN202973857U CN 202973857 U CN202973857 U CN 202973857U CN 201220615211 CN201220615211 CN 201220615211 CN 201220615211 U CN201220615211 U CN 201220615211U CN 202973857 U CN202973857 U CN 202973857U
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- resistance furnace
- electrical resistance
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Abstract
The utility model discloses a bogie-hearth resistance furnace, which comprises a car and a furnace body, wherein the car comprises a frame and a wheel device; the car consists of transverse beams and longitudinal beams, wherein the transverse beams and the longitudinal beams are connected by adopting I-shaped steel; the wheel device is arranged at the lower sides of the longitudinal beams; heat insulating layers are formed on the upper end surfaces of the transverse beams; bearing refractory layers are paved on the upper surfaces of the heat insulating layers; the bearing refractory layers are made of high-alumina bricks; and an electric heating element is arranged below the bearing refractory layers. During the working process, the electric heating element on the furnace body and the electric heating element below the car bearing refractor layers are simultaneously switched on, so that the temperature balance at each angle, including the bottom, of a processed workpiece can be ensured. The novel bogie-hearth resistance furnace adopting the technical scheme of the utility model is high in product qualified rate, good in using effect and convenient to operate.
Description
Technical field
The utility model relates to the industrial furnace preparation field, especially relates to a kind ofly can keeping the uniform bench vehicle type electrical resistance furnace of heated parts temperature in body of heater.
Background technology
Industrial furnace mainly is comprised of major parts such as body of heater (comprising furnace lining), heater, heated air circulation device, chassis, transmission device for bogie, fire door, heat abstractor, sealing device, temperature control and register system, dynamical systems, mostly adopts the full alumina silicate refractory fiber cotton with good heat preservation and insulation for the furnace lining in body of heater.
Chassis is one of vitals of industrial furnace, is bearing the function of conveying workpieces heating and transhipment.Bench vehicle type electrical resistance furnace is the energy-saving periodical furnace of national standard, and super energy-saving structure adopts fibre structure, and economize on electricity is adopted combined type alumina porcelain nail group up to 60%, does not need the basis to install, and is placed on the level ground and just can uses.Be mainly used in the use of quenching, annealing, timeliness and the various machine components heat treatments such as Gao Ge, high manganese steel casting, spheroidal graphite cast-iron, roll, steel ball, 45 steel, stainless steel.
Because existing bench vehicle type electrical resistance furnace is all to be provided with heating on the furnace wall, as adopting in Chinese patent file CN201583130U patent documentation, the kuppe that utilizes circulating fan and tempering blower fan outside to be provided with, make hot-air circulate in stove, thereby reach even to the processing temperature of workpiece.
But, in the process that reality is used, certain defect arranging still, phenomenon that substandard products occur happens occasionally because be heated bad to take up the workpiece that is positioned at pallet bottom.Therefore, be necessary to work out a kind of temperature in stove that better makes.
The utility model content
It is high that technology to be solved in the utility model is to provide a kind of product percent of pass, and result of use is good, easy to operate new bench vehicle type electrical resistance furnace.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is, this bench vehicle type electrical resistance furnace comprises chassis and body of heater, and described chassis comprises vehicle frame and wheel assembly, and this vehicle frame is comprised of crossbeam and longeron, and adopts I-steel to connect; Described wheel assembly is positioned at the downside of longeron, and the upper surface of described crossbeam also is provided with thermal insulation layer, and this also is equipped with the load-bearing flame retardant coating above thermal insulation layer, and described load-bearing flame retardant coating adopts high-alumina brick, under described load-bearing flame retardant coating and be positioned at and be furnished with heating on thermal insulation layer.
Adopt the bench vehicle type electrical resistance furnace of said structure, owing to also laying the load-bearing flame retardant coating on thermal insulation layer, the beneficial effect of its generation is, first has carried workpiece preferably, the second, owing to having fire-resistant effect, prevented that the following miscellaneous part of this layer is heated excessively; In addition, be furnished with heating under the load-bearing flame retardant coating, the beneficial effect of its generation is because furnace wall surrounding and the chassis that takes up workpiece all are equipped with heating, to make the temperature of whole body of heater as soon as possible, and reach as much as possible uniform state, workpiece is heated evenly with regard to integral body like this, greatly reduces the probability that substandard products produce, and adopts high-alumina refractory brick structure amount of stored heat large, therefore, for guaranteeing bottom temperature; Also have, the upper surface of crossbeam also is provided with thermal insulation layer, has prevented preferably scattering and disappearing of heat, with the downside of wheel assembly installation with longeron, makes weight well be delivered to wheel assembly, disperses the load-bearing of chassis.
As further improvement of the utility model, described thermal insulation layer is two-layer, and ground floor is the diatomite brick layer, and the second layer is the light weight fireclay brick layer, and the beneficial effect of its generation is that effect of heat insulation is better.
As further improvement of the utility model, described heating adopts resistive band, is stamped ZG on described resistive band
3Cr
24Ni
7Si
2NRe heat resisting steel drop-bottom, described drop-bottom adopt bar shaped fritter formula, and adjacent drop-bottom is connected in the hasp mode.
Heating adopts resistive band, has improved the radiation coefficient (be 0.68, the radiation coefficient of conventional, electric-resistance silk is 0.32) of heating, has increased the surface area of heating, has reduced the surface loading of heating, has extended the service life of heating; In addition, be stamped ZG on resistive band
3Cr
24Ni
7Si
2NRe heat resisting steel drop-bottom in order to avoid iron scale falls on resistive band, causes short circuit; Drop-bottom adopts bar shaped fritter formula, and adjacent drop-bottom is connected in the hasp mode, can stay the surplus of the cold contraction of thermal expansion, can not deviate from hasp when drop-bottom moves forward and backward, and iron scale also just can not drop on heating element heater.
As further improvement of the utility model, the both sides of fire door also are provided with the electric pushrod obturator.Electric pushrod fire door obturator, include column, be connected with pole on described column, the link of this pole is connected with the pressing plate of pinch roller, when fire door was airtight, electric pushrod promoted the free end of pole outward, made pinch roller compress airtight fire door, the beneficial effect of its generation is to make the fire door obturation effect better.
As further improvement of the utility model, the furnace lining on described body of heater adopts full fibre fire-proof modular structure.Furnace lining adopts full fibre fire-proof modular structure, and the beneficial effect of its generation is to be easy for installation and maintenance; In addition, when the full fibre fire-proof furnace lining of this modular construction is installed, can make between module and module to be staggered installation of, compactness is better like this, better heat preservation.
In a word, bench vehicle type electrical resistance furnace of the present utility model is processing work better, makes whole workpiece be heated evenly, and effectively improves the qualification rate of workpiece product.
Description of drawings
Further describe below in conjunction with accompanying drawing and embodiment of the present utility model:
Fig. 1 is the side sectional view of bench vehicle type electrical resistance furnace;
Fig. 2 is the enlarged diagram of the electric pushrod fire door obturator of fire door both sides in Fig. 1;
Fig. 3 is the structural representation that heating is installed on the resistance furnace furnace wall.
The specific embodiment
As shown in Figure 1, this bench vehicle type electrical resistance furnace comprises chassis 1 and body of heater 2, and the furnace lining of body of heater 2 adopts full aluminosilicate refractory fiber 1260 needle punched blankets with good heat preservation and insulation (Shanghai rub root, American technology), is combined into entire fibre lining through special construction.Refractory fibre temperature resistant grade≤1350 ℃.The fiber inner surface is through manual polishing, and smooth surface improves its radiation efficiency.
Furnace lining adopts full fibre fire-proof modular structure, and this furnace lining maintenance is very convenient, if because mechanical collision damages, can use as long as carry out local repairing.This furnace lining also has simple installation, the characteristics that the engineering time is short.Entire fibre lining is hung on steel skeleton, and steel skeleton is welded by shaped steel, steel plate etc., and is light and handy and reliable.All make maintenance platform above the fire door of body of heater top, be convenient to maintenance and the maintenance of fire door elevating mechanism.
Heating is fixed on the furnace wall by the grouping of special insulating ceramics screw rod, and is easy for installation, and during the heating maintenance, directly carries out shaping, welding, replacing in visible and palpable position, very convenient.In the present embodiment, heating adopts resistive band, is stamped ZG on described resistive band
3Cr
24Ni
7Si
2NRe heat resisting steel drop-bottom, described drop-bottom adopt bar shaped fritter formula, and adjacent drop-bottom is connected in the hasp mode.During the welding of resistive band and eduction rod, first slot on eduction rod, after resistive band is put well, with fluting one facing to stressed less one side welding.Eduction rod end weldering one stainless steel substrates with holes in the body of heater outside, cable connects with eduction rod by stainless steel bolt, compare with the employing wiring collet, do like this between cable and eduction rod very close to each other, thereby avoided beating the arc phenomenon, eduction rod is can caloric value not excessive and burn out yet, and is safe and reliable.
This furnace door adopts full refractory fibre to do heat-insulating heat-preserving material and light type steel structure framework, adopts electric up-down, and lowering or hoisting gear is arranged on above the fire door furnace roof, convenient for maintaining.
In addition, thermal insulation layer is two-layer, and ground floor is diatomite brick, and the second layer is light weight fireclay brick, to guarantee effect of heat insulation; Can also also be provided with in the both sides of fire door electric pushrod fire door obturator.As shown in Figure 2, it is the enlarged diagram of electric pushrod fire door obturator, include column 5, be connected with pole 6 on described column, the link 7 of this pole is connected with the pressing plate 8 of pinch roller, when fire door was airtight, electric pushrod promoted the free end 9 of pole outward, made pinch roller compress airtight fire door 10.
Claims (5)
1. a bench vehicle type electrical resistance furnace, comprise chassis (1) and body of heater (2), it is characterized in that, described chassis (1) comprises vehicle frame (3) and wheel assembly (4), and this vehicle frame (3) is comprised of crossbeam and longeron, and adopt I-steel to connect; Described wheel assembly (4) is positioned at the downside of longeron, the upper surface of described crossbeam also is provided with thermal insulation layer, this also is equipped with the load-bearing flame retardant coating above thermal insulation layer, described load-bearing flame retardant coating adopts high-alumina brick, under described load-bearing flame retardant coating and be positioned at and be furnished with heating on thermal insulation layer.
2. bench vehicle type electrical resistance furnace as claimed in claim 1, is characterized in that, described thermal insulation layer is two-layer, and ground floor is the diatomite brick layer, and the second layer is the light weight fireclay brick layer.
3. bench vehicle type electrical resistance furnace as claimed in claim 1, is characterized in that, described heating adopts resistive band, is stamped ZG on described resistive band
3Cr
24Ni
7Si
2NRe heat resisting steel drop-bottom, described drop-bottom adopt bar shaped fritter formula, and adjacent drop-bottom is connected in the hasp mode.
4. bench vehicle type electrical resistance furnace as described in claim 1 ~ 3 any one, is characterized in that, the both sides of fire door also are provided with electric pushrod fire door obturator.
5. bench vehicle type electrical resistance furnace as claimed in claim 4, is characterized in that, the furnace lining on described body of heater (2) adopts full fibre fire-proof modular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220615211 CN202973857U (en) | 2012-11-20 | 2012-11-20 | Bogie-hearth resistance furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220615211 CN202973857U (en) | 2012-11-20 | 2012-11-20 | Bogie-hearth resistance furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202973857U true CN202973857U (en) | 2013-06-05 |
Family
ID=48514920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220615211 Expired - Fee Related CN202973857U (en) | 2012-11-20 | 2012-11-20 | Bogie-hearth resistance furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202973857U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836922A (en) * | 2012-11-20 | 2014-06-04 | 江苏华东炉业有限公司 | Bogie-hearth resistance furnace |
| CN107543411A (en) * | 2017-05-04 | 2018-01-05 | 山东中琦环保设备制造有限公司 | A kind of superelevation enamel pipe tunnel cave |
-
2012
- 2012-11-20 CN CN 201220615211 patent/CN202973857U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836922A (en) * | 2012-11-20 | 2014-06-04 | 江苏华东炉业有限公司 | Bogie-hearth resistance furnace |
| CN103836922B (en) * | 2012-11-20 | 2016-05-18 | 江苏华东炉业有限公司 | Bench vehicle type electrical resistance furnace |
| CN107543411A (en) * | 2017-05-04 | 2018-01-05 | 山东中琦环保设备制造有限公司 | A kind of superelevation enamel pipe tunnel cave |
| CN107543411B (en) * | 2017-05-04 | 2019-05-10 | 山东中琦环保设备制造有限公司 | A kind of superelevation enamel pipe tunnel oven |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20131120 |