CN201066241Y - Electric resistance furnace - Google Patents
Electric resistance furnace Download PDFInfo
- Publication number
- CN201066241Y CN201066241Y CNU2007200234029U CN200720023402U CN201066241Y CN 201066241 Y CN201066241 Y CN 201066241Y CN U2007200234029 U CNU2007200234029 U CN U2007200234029U CN 200720023402 U CN200720023402 U CN 200720023402U CN 201066241 Y CN201066241 Y CN 201066241Y
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- furnace
- heater
- fire door
- hook
- resistance
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Abstract
The utility model relates to the field of the industrial furnace or the experimental furnace, more specifically relates to a resistance furnace. The utility model comprises a furnace body and is characterized in that the furnace body is of divided structure and comprises the integrated complex furnace wall. The furnace wall comprises a furnace liner, a refractory layer and an insulating layer. The furnace liner, the refractory layer and the insulating layer are fabricated in one-step forming by moulds. The utility model has the advantages of convenient assembly and maintenance, and high efficiency and energy conservation. In particular, the utility model is suitable for the box type resistance furnace, the box-shaped bogie-hearth resistance furnace, the penetrating pusher type resistance furnace and the well type resistance furnace which are all provided with the heating element including the silicon molybdenum rod or the silicon carbide rod or the high resistance alloy wire and the electric furnace temperature with below 1700 DEG C, so the utility model can be widely applied in the fields of heating, roasting, production of the vitrified perlite and heat treatment.
Description
Technical field
The utility model belongs to industrial furnace and experimental furnace field, is specifically related to a kind of resistance furnace.
Background technology
Resistance furnace is as present common used in industry stove and experimental furnace, obtained using widely, but the resistance furnace of prior art, also have many problems to need to solve, as the furnace roof of the resistance furnace of prior art, adopt vault that heterotypic fire brick and mud builds by laying bricks or stones or the flat-top that adopts stainless steel part clamping cellucotton to make, when adopting heterotypic fire brick to build into vault by laying bricks or stones with mud, mud seam on the vault is too many, and mud shrinks and causes the slit occurring between the fire-resistant special shaped brick behind the high temperature, and the heat in the stove is outwards distributed, waste energy, making vault simultaneously wastes time and energy, and difficulty of processing is big, needs to use mould, expend timber or steel, increased cost, when the flat-top that adopts stainless steel part clamping cellucotton to make, under the effect of furnace high-temperature, stainless steel part is easily softening, causes the sagging gross distortion of furnace roof; The body of heater of the resistance furnace of prior art, general fireproof insulation brick and the mud of adopting is built by laying bricks or stones, exist the processing time consuming effort, the shortcoming of long construction period, and it is too much equally to exist mud seam with furnace roof, mud shrinks and causes occurring between the fireproof insulation brick slit behind the high temperature, heat in the stove is outwards distributed, the problem that wastes energy, in a single day body of heater is in place simultaneously, not quick detachable, volume inside also can not be adjusted, as the body of heater height of the well formula resistance furnace of prior art greater than 5 meters, and the burner hearth internal diameter is during less than 0.5 meter, as needing repairing in the burner hearth, must earlier the flue in the body of heater be hung out, then the maintenance personal is hung in the burner hearth, maintenance is wasted time and energy, very inconvenient, otherwise can't keep in repair, heating element heater in the resistance furnace of prior art generally adopts Si-Mo rod or Elema or high-resistance alloy silk, the inwall of body of heater is provided with places the special-shaped tuckstone that heating element heater is used, in the mud of abnormity tuckstone between two adjacent fireproof insulation bricks, under action of high temperature, special-shaped tuckstone can be in the same place with the fireproof insulation brick sintering, because special-shaped tuckstone is a consumable accessory, often need to change, abnormity tuckstone and fireproof insulation brick sintering be back dismounting difficulty very together, promptly allows to disassemble, and also damages body of heater through regular meeting; The bench vehicle type electrical resistance furnace of prior art, when chassis is hauled out body of heater, during oven door opening, furnace bottom can't seal, a large amount of heats is dispersed into the body of heater outside, temperature in the body of heater sharply descends, when the heating member of next procedure being relay when melting down in the body, need expend a large amount of energy just can make stove body temperature recover, rapid heat cycle can cause the heat proof material in the body of heater to be badly damaged simultaneously, influence the service life of body of heater, the fire door of prior art resistance furnace generally adopts the simple gate structure, and fire door is inboard to contact sealing with the outer surface of fireproof insulation brick, because the fireproof insulation brick of prior art is of rude workmanship, and furnace wall adopts the method build by laying bricks or stones, therefore at high temperature very easily produces distortion, causes between the outer surface of fire door and fireproof insulation brick and produces the slit, heat outwards scatters and disappears, cause the body of heater internal temperature unbalanced, influence heat treated effect, also waste energy simultaneously.
Summary of the invention
The purpose of this utility model is to provide a kind of resistance furnace of efficient energy-saving.
The utility model is achieved through the following technical solutions: promptly a kind of resistance furnace, comprise body of heater, and it is characterized in that described body of heater is a split-type structural, to form by the furnace wall of compound integral structure, furnace wall is made up of furnace lining, flame retardant coating, heat-insulation layer.Furnace lining, flame retardant coating, heat-insulation layer are by the mould one-shot forming.
When body of heater is box, be provided with drop-bottom in the body of heater, also be provided with furnace roof, fire door on the body of heater, described furnace roof is the compound integral structure, the furnace roof internal layer is the light-weight refractory layer, and the skin matter heat-insulation layer of attaching most importance to also is provided with reinforcement in the furnace roof, the furnace lining of furnace wall is provided with prefabricated hook hole, be provided with the hook that matches in the hook hole, hook is provided with heating element heater, and described fire door is the twin furnace door, fire door and outer fire door in promptly being divided into, interior fire door is a damascene structures.
When body of heater is box, be provided with chassis in the body of heater, also be provided with furnace roof, fire door on the body of heater, described furnace roof is the compound integral structure, the furnace roof internal layer is a flame retardant coating, skin is a heat-insulation layer, also be provided with reinforcement in the furnace roof, the furnace lining of furnace wall is provided with prefabricated hook hole, is provided with the hook that matches in the hook hole, and hook is provided with heating element heater, described fire door is the twin furnace door, fire door and outer fire door in promptly being divided into, interior fire door is a damascene structures, chassis is provided with and passes the folding stove base plate of body of heater away from an end of fire door.
When body of heater was the well formula, body of heater waited the furnace wall of branch body of heater to form by 2, and an end of two furnace walls is hinged, the other end connects by securing member, the furnace lining of described furnace wall is provided with prefabricated hook hole, is provided with the hook that matches in the hook hole, and hook is provided with heating element heater.
Heating element heater can be selected Si-Mo rod or Elema or high-resistance alloy silk for use.
The utlity model has installation, easy to maintenance, energy-efficient advantage.Furnace wall of the present utility model is the compound integral structure, furnace lining, flame retardant coating, heat-insulation layer all adopts the mold integral cast to form, the furnace wall of compound integral has in light weight, high temperature resistant, indeformable, good airproof performance, process time saving and energy saving advantage, when the utility model is applicable to chamber type electric resistance furnace, furnace roof also is to adopt the mold integral cast to form, have in light weight, high temperature resistant, indeformable, good airproof performance, process time saving and energy saving advantage, be provided with the reinforcement that refractory material is made in the furnace roof, for weight reduction and saving material, reinforcement can adopt hollow-core construction, furnace roof does not need to use the stainless steel anchor clamps when making, it is indeformable to have the heat of chance during use, the advantage that cost is low, connect by securing member between the furnace wall of the present utility model, has installation, the advantage of convenient disassembly, volume and shape according to heated object, can change the furnace wall at arbitrary position easily, promptly can change the area in the body of heater, also body of heater can be made into vertical or horizontal arbitrarily, furnace lining is provided with prefabricated hole, be provided with the hook that matches in the hole, hook can free installing/dismounting, can not damage furnace wall, heating element heater hangs on the hook, and it is damascene structures that fire door of the present utility model adopts twin furnace door and interior fire door, good sealing effect, when being provided with chassis in the body of heater, chassis is provided with the folding stove base plate away from that end of fire door, when chassis is hauled out body of heater, fire door is put down, fire door and the folding stove base plate that trails can prevent that heat runs off in a large number with furnace sealing, have reduced the waste of the energy.When body of heater was the well formula, furnace wall one end of two bodies of heater such as branch such as grade is hinged, an end connects by securing member, only needs when safeguarding securing member is taken off, and opens body of heater and can repair body of heater inside, and was time saving and energy saving; Furnace wall of the present utility model, furnace roof all adopt the low flame-proof thermal insulation material of novel thermal conductivity factor, integrate heat insulation, fire-resistant two functions, have energy-efficient advantage, through repeatedly experiment contrast, the utility model can economize on electricity 10%～25% with respect to the resistance furnace of prior art.Concrete contrast sees also following table:
| Sequence number | Prior art | The utility model (identical stove inside dimension) | Economize on electricity |
| 1 | RX-15kw-950 ℃ on box electric furnace | 12kw-1000℃ | 20％ |
| 2 | RX-45kw-950 ℃ on box electric furnace | 40kw-1000℃ | 10.1％ |
| 3 | RX-75kw-950 ℃ on box electric furnace | 65kw-1000 |
13％ |
| 4 | RX-90kw-1200 ℃ on box electric furnace | 75kw-1200℃ | 16.6％ |
| 5 | RX-37kw-1350 ℃ on box electric furnace | 30kw-1350℃ | 23％ |
| 6 | RX-2.5kw-1000 ℃ on box electric furnace | 2.0kw-1200℃ | 20％ |
| 7 | RX-4kw-1200 ℃ on box electric furnace | 3.2kw-1200℃ | 20％ |
| 8 | RX-12kw-1000 ℃ on box electric furnace | 10kw-1000℃ | 16.6％ |
| 9 | RX-4kw-1300 ℃ on box electric furnace | 3kw-1350℃ | 25％ |
| 10 | RX-10kw-1600 ℃ on box electric furnace | 8kw-1600℃ | 25％ |
It is Si-Mo rod or Elema or high-resistance alloy silk that the utility model especially is fit to heating element heater; the chamber type electric resistance furnace of furnace temperature below 1700 ℃, box-shaped bench vehicle type electrical resistance furnace, connect push-plate type resistance furnace, well formula resistance furnace etc., can be widely used in fields such as heating, roast, vitreous pearlite production, heat treatment.
Description of drawings
Fig. 1 is the schematic diagram of the utility model embodiment 1;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the schematic diagram of the utility model embodiment 2;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the schematic diagram of the utility model embodiment 3;
Fig. 6 is the vertical view of Fig. 5.
As shown in FIG.: 1 furnace wall, 1 ' furnace wall, 2 furnace bottoms, 2 ' chassis, 3 outer fire doors, 4 heat-insulation layers, 5 reinforcements, 6 flame retardant coatings, 7 heat-insulation layers, 8 high-resistance alloy silks, 9 hooks, 10 hook holes, 11 flame retardant coatings, 12 furnace linings, 13 furnace roofs, 14 interior fire doors, 15 folding stove base plates.
The specific embodiment
Embodiment 1
As Fig. 1, shown in Figure 2: body of heater of the present utility model is box, body of heater is a split-type structural, form by the furnace wall 1 of compound one and prefabricated furnace roof 12, furnace wall 1 is by furnace lining 12, flame retardant coating 11, heat-insulation layer 7 is formed, adopt the mould disposal molding, be provided with furnace bottom 2 in the body of heater, furnace lining 12 is provided with prefabricated hook hole 10, is provided with the hook 9 that matches in the hook hole 10, on the hook 9 heating element heater is set, heating element heater is a high-resistance alloy silk 8, furnace roof 13 is a flat-head type, adopts the mould disposal molding, is made up of flame retardant coating 6 and heat-insulation layer 4, furnace roof 113 inside also are provided with reinforcement 5, reinforcement 5 can select for use fire-resistant nonmetallic materials to make, and as hollow earthenware etc., fire door is the twin furnace door, fire door 14 and outer fire door 3 in being divided into, interior fire door 14 is a damascene structures.
When the utility model uses, open outer fire door 3, interior fire door 14 successively, workpiece is placed on the furnace bottom 2 fire door 14, outer fire door 3 in closing successively then, opening power, workpiece is heat-treated, after heat treatment finished, powered-down was opened outer fire door 3, interior fire door 14 successively, take out workpiece, close outer fire door 3, interior fire door 14.Repeat above action, can realize continuous processing.
As Fig. 3, shown in Figure 4: body of heater of the present utility model is box, body of heater is a split-type structural, form by the furnace wall 1 of compound one and prefabricated furnace roof 12, furnace wall 1 is by furnace lining 12, flame retardant coating 11, heat-insulation layer 7 is formed, adopt the mould disposal molding, be provided with chassis 2 ' in the body of heater, furnace lining 12 is provided with prefabricated hook hole 10, be provided with the hook 9 that matches in the hook hole 10, on the hook 9 heating element heater is set, heating element heater is a high-resistance alloy silk 8, and furnace roof 13 is a flat-head type, adopts the mould disposal molding, form by flame retardant coating 6 and heat-insulation layer 4, furnace roof 13 inside also are provided with reinforcement 5, and reinforcement 5 can select for use fire-resistant nonmetallic materials to make, as hollow earthenware etc., fire door is the twin furnace door, fire door 14 and outer fire door 3 in being divided into, interior fire door 14 is a damascene structures, chassis 2 ' is provided with the folding stove base plate 15 that passes body of heater away from the end of fire door.
When the utility model uses, go up place work piece at chassis 2 ', open outer fire door 3, interior fire door 14 successively, chassis 2 ' is pushed in the body of heater, folding stove base plate 15 is in folded state, fire door 14, outer fire door 3 in closing successively then, opening power is heat-treated workpiece, after heat treatment finishes, powered-down is opened outer fire door 3, interior fire door 14 successively, and chassis 2 ' is pulled out, fire door 14, outer fire door 3 in closing simultaneously, folding stove base plate 15 is in deployed condition at this moment, with the bottom of furnace body sealing, prevents that heat from dispelling the heat in a large number.
As Fig. 5, shown in Figure 6: body of heater of the present utility model is the well formula, body of heater is made up of prefabricated furnace wall 1 and furnace wall 1 ', furnace wall 1 and furnace wall 1 ' are formed by furnace lining 12, flame retardant coating 11, heat-insulation layer 7, adopt the mould disposal molding, furnace lining 12 is provided with prefabricated hook hole 10, is provided with the hook 9 that matches in the hook hole 10, on the hook 9 heating element heater is set, heating element heater is a high-resistance alloy silk 8, and furnace wall 1 and furnace wall 1 ' right-hand member are hinged, and left end connects by securing member.
When the utility model uses, the left end of furnace wall 1 and furnace wall 1 ' by the fastening composition body of heater of securing member, is placed on workpiece in the body of heater, connects power supply and can use, during maintenance, only need body of heater is opened and can be keeped in repair.
When the height of body of heater is excessive, can be with the stack of polylith body of heater, during maintenance, that body of heater that only needs to go wrong is opened and is got final product.
The utility model is not limited to above embodiment, and furnace roof also can be an arch, and heating element heater also can use Si-Mo rod or Elema.
Claims (6)
1. a resistance furnace comprises body of heater, it is characterized in that described body of heater is a split-type structural, is made up of the furnace wall of compound integral structure, and furnace wall is made up of furnace lining, flame retardant coating, heat-insulation layer.
2. resistance furnace according to claim 1, it is characterized in that body of heater is box, be provided with furnace bottom in the body of heater, also be provided with furnace roof, fire door on the body of heater, furnace roof is arch or flat-top shape, furnace roof is the compound integral structure, the furnace roof internal layer is a flame retardant coating, and skin is a heat-insulation layer, also is provided with reinforcement in the furnace roof, the furnace lining of furnace wall is provided with prefabricated hook hole, be provided with the hook that matches in the hook hole, hook is provided with heating element heater, and described fire door is the twin furnace door, fire door and outer fire door in promptly being divided into, interior fire door is a damascene structures.
3. resistance furnace according to claim 1, it is characterized in that body of heater is box, be provided with chassis in the body of heater, also be provided with furnace roof on the body of heater, fire door, described furnace roof is the compound integral structure, the furnace roof internal layer is a flame retardant coating, skin is a heat-insulation layer, and furnace roof inside also is provided with reinforcement, and the furnace lining of furnace wall is provided with prefabricated hook hole, be provided with the hook that matches in the hook hole, hook is provided with heating element heater, and described fire door is the twin furnace door, fire door and outer fire door in promptly being divided into, interior fire door is a damascene structures, and chassis is provided with the folding stove base plate that passes body of heater away from an end of fire door.
4. resistance furnace according to claim 1 is characterized in that described body of heater is the well formula, and body of heater waits the furnace wall of branch body of heater to form by 2, and an end of two furnace walls is hinged, and the other end connects by securing member.
5. resistance furnace according to claim 4 is characterized in that the furnace lining of furnace wall is provided with prefabricated hook hole, is provided with the hook that matches in the hook hole, and hook is provided with heating element heater.
6. according to claim 2 or 3 or 5 described resistance furnaces, it is characterized in that described heating element heater is Si-Mo rod or Elema or high-resistance alloy silk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200234029U CN201066241Y (en) | 2007-06-08 | 2007-06-08 | Electric resistance furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200234029U CN201066241Y (en) | 2007-06-08 | 2007-06-08 | Electric resistance furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201066241Y true CN201066241Y (en) | 2008-05-28 |
Family
ID=39483425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200234029U Expired - Fee Related CN201066241Y (en) | 2007-06-08 | 2007-06-08 | Electric resistance furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201066241Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997657A (en) * | 2012-11-29 | 2013-03-27 | 宜兴市金鼎炉业有限公司 | Resistance tape connecting structure for trolley resistance furnace |
| CN103017543A (en) * | 2013-01-07 | 2013-04-03 | 尹彦征 | Electrical kiln for firing cadmium red glaze ceramic hanging discs |
| CN105371654A (en) * | 2015-11-10 | 2016-03-02 | 安徽永茂泰汽车零部件有限公司 | Melting furnace |
| CN108827006A (en) * | 2018-06-20 | 2018-11-16 | 扬州市华翔有色金属有限公司 | A kind of optimization of smelting furnace feed opening jacket structure for water and application |
-
2007
- 2007-06-08 CN CNU2007200234029U patent/CN201066241Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997657A (en) * | 2012-11-29 | 2013-03-27 | 宜兴市金鼎炉业有限公司 | Resistance tape connecting structure for trolley resistance furnace |
| CN103017543A (en) * | 2013-01-07 | 2013-04-03 | 尹彦征 | Electrical kiln for firing cadmium red glaze ceramic hanging discs |
| CN103017543B (en) * | 2013-01-07 | 2015-10-21 | 尹彦征 | A kind of electrical kiln of baking cadmium red glaze pottery extension dish |
| CN105371654A (en) * | 2015-11-10 | 2016-03-02 | 安徽永茂泰汽车零部件有限公司 | Melting furnace |
| CN108827006A (en) * | 2018-06-20 | 2018-11-16 | 扬州市华翔有色金属有限公司 | A kind of optimization of smelting furnace feed opening jacket structure for water and application |
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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: 20080528 |