CN86202491U - Energy-saving electric resistance stove - Google Patents
Energy-saving electric resistance stove Download PDFInfo
- Publication number
- CN86202491U CN86202491U CN 86202491 CN86202491U CN86202491U CN 86202491 U CN86202491 U CN 86202491U CN 86202491 CN86202491 CN 86202491 CN 86202491 U CN86202491 U CN 86202491U CN 86202491 U CN86202491 U CN 86202491U
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- China
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- furnace
- fire door
- heater
- holder
- rotating shaft
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Abstract
AnThe utility model relates to an electrical resistance furnace of resistance wires with integration fire furnace, which adopts the structure of two air layers for heat insulation and a reflecting screen for heat insulation, an adjustable hinge and a door bolt in a wedge block shape. The advantages of the electrical resistance furnace with the structure are great reduction on the temperature of the furnace wall, uneasy heat dissipation, good temperature insulation performance, stable state, low heat consumption, electrical energy saving, convenient manufacture and repair and light weight.
Description
The utility model is a kind of resistance wire resistance furnace with whole burner hearth.
Electric furnace is the many equipment of a kind of power consumption, how to improve from structure, and to reach energy-efficient purpose, people have done a large amount of work." to a few comments of industrial furnace energy-conserving product development " as the 1-3 page or leaf introduction of " electric furnace " magazine the 3rd phase of nineteen eighty-three, " heat-treatment furnace is used the economic analysis of aluminosilicate refractory fiber technology " that the 4th phase of nineteen eighty-three 1-7 page or leaf is introduced, " refractory fibre---the effect test of air layer heat insulating construction " that 1984 the 1st phases 28-29 page or leaf is introduced all had research and report about energy-conservation resistance furnace in industrial application.Prior art is 41-MT-(182418-364836 with the model that U.S. Lin Debao (LI и DBERG) company produces only)-21, power is that the 41-MT-243624-21 in the industrial resistance furnace of the serial double-deck furnace housing box formula of 16KW-53KW is an example.This size of burner hearth is 610 * 915 * 611 millimeters, and heater element is the inserts (Holda therm) of fiber and resistance wire.Electric furnace is made shell " double-deck furnace shell " structure and promptly add one deck book steel plate again outside shell, to form the air layer of one deck sealing between two layers of steel plate.Under the not too terrible condition of convection current, this sealant plays good heat-blocking action.On principle, utilize the power-economizing method of the heat insulation a kind of economy really of air, but this structure is used on the electric furnace, particularly be applied on the experimental electric furnace heaviness that certainly will show.In addition, prior art adopts double-deck iron-clad structure, has both increased the own wt of stove and also will carry out welding processing.If air layer is too thick, not only do not reach effect of heat insulation, also can produce cross-ventilation because of thickness increases, effect of heat insulation is descended.In the prior art since when repairing stove fiberboard scatter, effect reduces during repeated use.
The utility model proposes a kind of version of resistance furnace at above-mentioned the deficiencies in the prior art, solves the heat-insulating and energy-saving problem of resistance furnace effectively, has improved heat utilization efficiency, simultaneously attenuate the thickness of furnace lining, alleviated weight.
Resistance furnace described in the utility model adopts two air layer structures, is added with one deck radiation shield in first air layer, and second air layer is arranged outside radiation shield; Fire door adopts adjustable loose-leaf and wedge keeper to form.Concrete structure is as follows:
Accompanying drawing 1: energy-conservation resistance furnace one sectional view;
Accompanying drawing 2: adjustable loose-leaf hinge means;
Accompanying drawing 3: wedge fire door pin device;
Accompanying drawing 4: energy-conservation resistance furnace outside drawing;
Accompanying drawing 5: energy-conservation resistance furnace dorsal view.
Structure of the present utility model is: be surrounded by a layer refractory fibre (2) outside burner hearth furnace lining (1), form whole burner hearth, make dividing plate with a fiberboard (5) and radiation shield (4), be inserted between whole burner hearth and the furnace shell (7), to form not connected first air layer (3) and second air layer (6), do not producing under the prerequisite that convection current and technology allows, wishing that air layer heals better thinly, two air layers all play heat-blocking action; Radiation shield (4) is near fiberboard (5) and towards first air layer (3), first air layer (3) is except having heat-blocking action, burner hearth (1) and refractory fibre (2) are formed when one independently whole burner hearth needs repairing when the resistance furnace damage, whole burner hearth can be easily from the back door (22) take out, and need not folding except radiation shield (4) and fiberboard (5); Radiation shield (4) plays a part to separate two air layers with fiberboard (5), and radiation shield (4) also rises the width of cloth being penetrated the heat-blocking action of heat.
In the industrial furnace, because the sealing of fire door is poor, a large amount of heat energy scatters and disappears from fire door. The utility model has adopted adjustable loose-leaf and wedge keeper for addressing this problem. Adjustable loose-leaf as shown in Figure 2, a fire door holder (9) and body of heater holder (12) are arranged respectively on fire door (10) and body of heater (14), rotating shaft (11) places the hole of holder (9) and holder (12), one end of rotating shaft (11) has screw thread, the other end has a through hole, this centerline hole is vertical with the axis of rotating shaft (11) Skewer pin (13) passes this hole rotating shaft (11) is contained on the body of heater holder (12), adjusts the gap between fire door (10) and the body of heater (14) by adjusting nut (8), pulling rotating shaft (11). The wedge keeper as shown in Figure 3, bolt apparatus is bolted on fire door (10). Axle sleeve (17), stator (18) are fixed on the fire door (10), nut (20) is fastened on handle (19) on the Handle axis (21) of band wedge (15), changing skewer by turning handle (19) enters in the firedoor frame (16), the thickness of wedge (15) plays the gap between adjustment fire door (10) and the body of heater (14).
The utility model reduces furnace wall temperature owing to adopted the combined kiln lining structure and the adjustable fire door of double-deck fiberboard, double-deck air layer and radiation shield significantly, and heat is difficult for scattering and disappearing, and the heat-insulating property of stove improves.Have the following advantages compared with the prior art:
1. stable state heat waste power is little.Resistance furnace with 5KW is an example, and the stable state heat waste of energy-conservation resistance furnace of the present utility model in the time of 950 ℃ is 0.7125KW, and consumption rate is 14.25%; And the stable state heat waste in the time of 950 ℃ is 1.045KW in the prior art, and consumption rate is 20.9%, and both compare economize on electricity more than or equal to 30%.
The stable state heat waste of energy-conservation resistance furnace of the present utility model in the time of 1200 ℃ is 1.380KW, and consumption rate is 27.6%; And in the prior art of foreign same type resistance furnace, the steady-state heat loss in the time of 1200 ℃ is 1.446KW, and consumption rate is 28.9%, and both compare economize on electricity 4.56%.
2. programming rate is fast.Resistance furnace with 5KW is an example, and only with the time that is less than or equal to 46 minutes, furnace temperature just can reach 950 ℃, needs more than or equal to 46 minutes and reach same temperature in the prior art.
3. cooling rate is slow.Drop to 500 ℃ of needs 280 minutes from 950 ℃, and as long as the energy-conservation furnace temperature of prior art dropped to same temperature 160 minutes.
4. furnace temperature is even.Amount of stored heat is few, good heat insulating, and it is fast to enter steady state heat transfer, and temperature difference is little in the stove.
5. make simple, in light weight.Energy-conservation resistance furnace of the present utility model need not be welded into two layers of iron sheet furnace shell, only forms two not connected air layers with radiation shield and fiberboard when brickwork; Just can reach the energy-saving effect of available technology adopting more than or equal to the fiberboard of 100 millimeters thick when the fiberboard thickness that is adopted is less than or equal to 85 millimeters, weight is 2/3rds of general energy-conservation resistance furnace.
6. reusing property is good.Owing to adopted whole burner hearth, and made the embedding bag at the outer surface of whole burner hearth and handled, make easy to maintenancely, improved the fiberboard utilization rate, only replenish the small amount of fibers plate when reusing and get final product.
7. can adjust the fire door tightness.Can not cause crack between a door and its frame to increase because of long-term the use, washing away of reason furnace gas do not influence outward appearance, reduced heat loss yet, reached purpose of energy saving.
This combined kiln lining mainly is applicable to experimental electric furnace, and this brickwork method equally also is applicable to industrial furnace.
Claims (4)
1, a kind of resistance furnace, it is characterized in that, outside burner hearth furnace lining (1), be surrounded by a layer refractory fibre (2), form whole burner hearth, make dividing plate, be inserted between whole burner hearth and the furnace shell (7) with a fiberboard (5) and radiation shield (4), form not connected first air layer (3) and second air layer (6), radiation shield (4) is near fiberboard (5) and towards first air layer (3), and whole burner hearth is an independent component, can (22) take out from the back door; Fire door adopts adjustable loose-leaf and wedge keeper.
2, the said resistance furnace of claim 1, it is characterized in that said adjustable loose-leaf is for to have a fire door holder (9) and body of heater holder (12), rotating shaft (11) to be through in the hole of holder (9) and holder (12) respectively on fire door (10) and body of heater (14); One end of rotating shaft (11) has screw thread, the other end has a through hole, the axis normal of this centerline hole and rotating shaft (11), skewer pin (13) passes this hole rotating shaft (11) is contained on the body of heater holder (12), adjusts the gap between fire door (10) and the body of heater (14) by adjusting nut (8), pulling rotating shaft (11).
3, the said resistance furnace of claim 2 is characterized in that, said body of heater holder (12) can be contained on the body of heater (14); Said fire door holder (9) can be contained on the fire door (10).
4, the said resistance furnace of claim 1, it is characterized in that stator (18) is fixed on axle sleeve (17) on the fire door (10), nut (20) is fastened on handle (19) on the Handle axis (21) of band wedge (15), and a firedoor frame (16) that supplies wedge (15) skewer to go into is arranged on the body of heater (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86202491 CN86202491U (en) | 1986-04-19 | 1986-04-19 | Energy-saving electric resistance stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86202491 CN86202491U (en) | 1986-04-19 | 1986-04-19 | Energy-saving electric resistance stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN86202491U true CN86202491U (en) | 1986-11-26 |
Family
ID=4806010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 86202491 Expired - Lifetime CN86202491U (en) | 1986-04-19 | 1986-04-19 | Energy-saving electric resistance stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN86202491U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102560012A (en) * | 2012-02-01 | 2012-07-11 | 安徽省宁国新宁实业有限公司 | Box type heat treatment device |
| CN103743233A (en) * | 2014-01-17 | 2014-04-23 | 贵州渝黔实业有限公司 | Movable type tunnel kiln insulation structure |
| CN105258510A (en) * | 2015-09-30 | 2016-01-20 | 中国人民解放军总后勤部建筑工程研究所 | Composite heat-preservation furnace lining and manufacturing method |
-
1986
- 1986-04-19 CN CN 86202491 patent/CN86202491U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102560012A (en) * | 2012-02-01 | 2012-07-11 | 安徽省宁国新宁实业有限公司 | Box type heat treatment device |
| CN103743233A (en) * | 2014-01-17 | 2014-04-23 | 贵州渝黔实业有限公司 | Movable type tunnel kiln insulation structure |
| CN105258510A (en) * | 2015-09-30 | 2016-01-20 | 中国人民解放军总后勤部建筑工程研究所 | Composite heat-preservation furnace lining and manufacturing method |
| CN105258510B (en) * | 2015-09-30 | 2017-10-13 | 中国人民解放军总后勤部建筑工程研究所 | A kind of complex heat-preservation furnace lining and preparation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |