CN87210491U - Light electric heated aluminum melter lid - Google Patents
Light electric heated aluminum melter lid Download PDFInfo
- Publication number
- CN87210491U CN87210491U CN 87210491 CN87210491U CN87210491U CN 87210491 U CN87210491 U CN 87210491U CN 87210491 CN87210491 CN 87210491 CN 87210491 U CN87210491 U CN 87210491U CN 87210491 U CN87210491 U CN 87210491U
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- CN
- China
- Prior art keywords
- brick
- furnace
- furnace roof
- refractory brick
- utility
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model relates to a light furnace top of an aluminum melting furnace of electric heating, which belongs to the improvement of the furnace top structure of a coloring metallurgical furnace and can be widely used for the electric heating furnaces of various models. The utility model is composed of refractory bricks in a tube shape, hanging refractory bricks, an exclusive-made support rod used for fixing and a heating component. The utility model has the characteristics of long furnace top service life, good energy saving effect, simple repair and construction process, light furnace top weight, etc. The utility model is an effective new technology for reforming the large-size furnace top of arc top bricks of the prior aluminum melting furnace of electric heating.
Description
The utility model belongs to the improvement of non-ferrous metallurgical furnace top construction, is specially adapted on the electric heated aluminum melter of light metal casting processing industry.
In prior art, when building electric heated aluminum melter by laying bricks or stones, often use especially big heterotypic fire brick that heating element heater is hung on the molten bath, heating element heater with radiation, convection type in the heat supply of molten bath, with the conduction and radiation mode heat to the refractory brick that blocks heating element heater.For energy savings, furnace roof brick layer has been taked special insulation measure, promptly except using a large amount of key bricks, also builds the diatom brick of having gone up adiabatic heat-insulation.With the molten aluminium stove of 220KW is example, the furnace roof gross weight just reaches 11600 kilograms, because the interruptedly supplying power when producing, makes to produce huge internal stress in the vault refractory brick, this unbalanced internal stress that causes because of the temperature difference very easily causes the cracked of key brick or downslide, thereby is directed at the damage of heating element heater.Because vault refractory brick substance is too big, be generally 40～70 kilograms/piece simultaneously, need expend a large amount of timber when building by laying bricks or stones and take fixed mount, therefore waste time and energy, operator's labour intensity is big.
Low at above-mentioned life of arched roof of building by laying bricks or stones with bulk arch form refractory brick, cost is high, safeguard the shortcoming of inconvenience, the present invention develops a kind of by cast refractory brick with hang the light-duty furnace roof that the refractory brick combination is built by laying bricks or stones.This light-duty furnace roof has the life-span height, builds by laying bricks or stones conveniently, the characteristics of time saving and energy saving and low cost.
The light-duty furnace roof that the utility model provides is mainly by the cast brick, hanger brick, and support bar and heating element heater constitute.
The cast brick holds for wearing heating element heater and uses, and its profile is a cuboid, vertically has the swallow-tail form of a disjunctor protruding stupefied along cuboid, and the cuboid bottom is a vertical hole, and heating element heater promptly is installed in this hole.
One end of hanger brick is suspended on the support bar, and the other end is hung the cast brick, and its profile is a rectangle cuboid, is processed with hole, a garden at an end of cuboid, and the garden bore dia is relevant with the thickness of selected support bar.It is protruding stupefied in order to the swallow-tail form of blocking on the cast brick that the other end of cuboid has dovetail groove.
Heating element heater is generally the helix element that garden shape resistance wire is made, snakelike element or the Elema element that also can select for use flat bar shaped resistor disc to make.The shape of hole in the profile decision cast brick of heating element heater.
Accompanying drawing is an embodiment of the present utility model who provides.
Wherein Fig. 1 is the transverse cross of the molten light-duty furnace roof of aluminium trial furnace of a 42KW electric heating, and Fig. 2 is vertical sectional drawing (part) of this light-duty furnace roof, and Fig. 3 is the front view of cast brick.Fig. 4 is the side view of cast brick, and Fig. 5 is the schematic diagram of hanger brick.Number order in the accompanying drawing is.
(1), furnace shell steel plate; (2), diatomite insulating block; (3), alumina powder, (4), refractory fireclay block; (5), heating element heater; (6), cast brick; (7), hanger brick; (8), pearlite insulation powder; (9), support bar; (10), asbestos cord filler; (11), heat resistance concrete; (12), aluminosilicate fiberboard; (13), cast brick opening hole; (14), cast brick dovetail is protruding stupefied; (15), hanger brick perforation; (16), hanger brick dovetail groove; (17), butt joint recess; (18), butt joint is protruding stupefied.
The design feature of the light-duty furnace roof that now the present invention is provided in conjunction with example is done an explanation.
The hanger brick that at first will clamp tubular brick is suspended on the special steel pipe, by furnace width some assembly series connection is embarked on journey, and presses the burner hearth length arrangement again, is 9 row in the molten aluminium stove of 42KW. Special steel pipe is taken on the headwall that is placed on the furnace roof both sides, accompanies adiabatic asbestos board between headwall and the furnace shell, is filled with the good crushed crude pearlite of heat-insulating property between the hanger brick. This light-duty furnace roof is compared with former Large-scale Arch dome brick furnace roof, has following features.
One, cast brick and hanger brick volume are little, in light weight, only are 38.7% of Large-scale Arch dome brick. So greatly alleviated furnace roof weight, built by laying bricks or stones and reduce 59% than former Large-scale Arch dome brick furnace roof man-hour.
Two, because light-duty furnace roof brick own vol is little, and the temperature difference is also little, no big internal stress in the brick, its weight is born by hanging bracket again, and stove both sides nogging seldom is subjected to the extruding of cross force, and therefore indivedual brick downslide phenomenons can not exist. So life of arched roof is prolonged. That the lightweight life of arched roof is ten times of former Large-scale Arch dome brick furnace roof according to 42KW stove contrast test data statistics result.
Three, because light-duty furnace roof brick own vol is little, it only is 25% of the shared volume of Large-scale Arch dome brick, so the space under saving can fill insulant material, furnace roof both sides and furnace shell intersection have consumed outer expansion force, need not to allow the arch cantilevered corner beam bear horizontal component, therefore can between dome brick and furnace shell, press from both sides an adiabatic asbestos board, thereby reach the purpose of heat preservation energy-saving, according to test, lightweight furnace roof surface temperature reduces by 5～10 ℃ than similar stove Large-scale Arch dome brick furnace roof surface temperature. On average low 10 ℃ of upper top covers. Through the actual measurement temperature difference be converted into electrical power learn adopt light-duty furnace roof brick after, every stove can be saved 55,877.62 degree in 1 year.
Claims (5)
1, a kind of electric heated aluminum melter furnace roof that has heating element heater of being built by laying bricks or stones by heterotypic fire brick is characterized in that the structure of said furnace roof is made up of the tubular refractory brick of hanging refractory brick and being connected that is suspended on the support bar.
2, electrothermal furnace furnace roof according to claim 1, the profile that it is characterized in that said cast refractory brick is a cuboid, vertically has a disjunctor swallow-tail form protruding stupefied along cuboid, a vertical hole is arranged at the cuboid bottom.
3, electrothermal furnace furnace roof according to claim 1 is characterized in that said profile of hanging refractory brick is the rectangle cuboid, and there is a processing hole its upper end, and there is dovetail groove its lower end.
4, electrothermal furnace furnace roof according to claim 1 is characterized in that said support bar passes the upper end hole of hanging refractory brick, and it is protruding stupefied that the dovetail groove of hanger brick lower end blocks the swallow-tail form of cast brick, makes it to form assembly.
5, electrothermal furnace furnace roof according to claim 1 is characterized in that heating element heater is installed in vertical hole of tubular refractory brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87210491 CN87210491U (en) | 1987-08-29 | 1987-08-29 | Light electric heated aluminum melter lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87210491 CN87210491U (en) | 1987-08-29 | 1987-08-29 | Light electric heated aluminum melter lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87210491U true CN87210491U (en) | 1988-05-25 |
Family
ID=4825416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87210491 Expired - Lifetime CN87210491U (en) | 1987-08-29 | 1987-08-29 | Light electric heated aluminum melter lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87210491U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457230A (en) * | 2014-11-25 | 2015-03-25 | 安徽省鸿福新型建材科技有限公司 | Tenon type flat-top tunnel kiln |
| CN104457227A (en) * | 2014-10-29 | 2015-03-25 | 彭州市半陶陶瓷有限公司 | Split type tunnel kiln |
-
1987
- 1987-08-29 CN CN 87210491 patent/CN87210491U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457227A (en) * | 2014-10-29 | 2015-03-25 | 彭州市半陶陶瓷有限公司 | Split type tunnel kiln |
| CN104457227B (en) * | 2014-10-29 | 2016-07-27 | 彭州市半陶陶瓷有限公司 | A kind of split type tunnel cave |
| CN104457230A (en) * | 2014-11-25 | 2015-03-25 | 安徽省鸿福新型建材科技有限公司 | Tenon type flat-top tunnel kiln |
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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 |