CN103411434B - Lower immersed type heating holding furnace - Google Patents
Lower immersed type heating holding furnace Download PDFInfo
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- CN103411434B CN103411434B CN201310404052.0A CN201310404052A CN103411434B CN 103411434 B CN103411434 B CN 103411434B CN 201310404052 A CN201310404052 A CN 201310404052A CN 103411434 B CN103411434 B CN 103411434B
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- protection tube
- immersion heating
- insulation stove
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Abstract
The invention discloses a lower immersed type heating holding furnace which comprises a protective tube, an inner pressing cylinder and an outer pressing cylinder, wherein the protective tube is inserted into a furnace pipe of the lower immersed type heating holding furnace, and a tapered sealing flange is fixedly arranged on the end of the protective tube; the sealing flange is positioned in an insertion hole in the protective tube of the furnace pipe; the inner pressing cylinder is fixedly arranged on a furnace casing of the lower immersed type heating holding furnace, and the end surface of the inner pressing cylinder is circumferentially pressed against the end surface of the protective tube; the outer pressing cylinder is sheathed on the inner pressing cylinder and fixedly arranged on the furnace casing; a base plate provided with a through hole is arranged on one end of the outer pressing cylinder, and the base plate is circumferentially pressed against the end surface of the tapered sealing flange. According to the lower immersed type heating holding furnace provided by the invention, the outer pressing cylinder and the inner pressing cylinder perform double sealing effects, and liquid metal can be completely prevented from entering the protective tube after the liquid metal oozes from a gap of the tapered sealing flange, thereby preventing a heater from being burnt by the high-temperature liquid metal.
Description
Technical field
The present invention relates to heating and thermal insulation equipment technical field, more particularly, relate to a kind of bottom immersion heating and thermal insulation stove.
Background technology
Bottom immersion heating and thermal insulation stove is used for the cast insulation of non-ferrous metal, particularly aluminium alloy.
Refer to Fig. 1, bottom immersion heating and thermal insulation stove comprises furnace shell 01, is positioned at the presintering flue of furnace shell 01, and is installed in the heater in protection tube 05; Wherein, in presintering flue, be provided with moist closet, and itself and furnace shell 01 form furnace wall; Protection tube 05 is through bottom furnace wall, and across in moist closet, accordingly, furnace shell 01 has protection tube breach, flue is provided with protection tube plug-in opening; Above-mentioned protection tube plug-in opening is bellmouth, and its area of section is reduced gradually outward by flue in flue; Protection tube 05 end winding support has the cone seal flange 04 coordinated with above-mentioned protection tube plug-in opening; The heat preservation sandwich layer 02 of circle around protection tube breach is provided with between above-mentioned flue and furnace shell 01; The end of above-mentioned protection tube 05 is held out against by one end of tubular muff 03; Tubular muff 03 is positioned at the cavity in the middle part of heat preservation sandwich layer 02, and its other end is held out against by the ring flange be fixed on outside furnace shell 01.
Above-mentioned bottom immersion heating and thermal insulation stove is after long-time use; its cone seal flange 04 suffers high temperature for a long time; and repeated multiple timesly to expand with heat and contract with cold; easily go out to crack; cause the liquid metal of insulation to ooze out flue and flow in protection tube 05 outward by the crackle that cone seal puts, cause heater to be burnt.
In sum, how to provide a kind of bottom immersion heating and thermal insulation stove, to avoid the liquid metal of insulation to enter in protection tube by the crackle of cone seal flange, preventing heater from being burnt, is those skilled in the art's problem demanding prompt solutions.
Summary of the invention
In view of this; the invention provides a kind of bottom immersion heating and thermal insulation stove, it has interior clamping cylinder and external compression cylinder, can provide dual-seal; avoid the liquid metal of insulation to be arrived in protection tube by the crack of cone seal flange, prevent the heater in protection tube from being burnt.
For achieving the above object, the invention provides following technical scheme:
A kind of bottom immersion heating and thermal insulation stove, comprising:
Be inserted into the protection tube on the flue of described bottom immersion heating and thermal insulation stove, the end extenal fixation of described protection tube has cone seal flange, and described cone seal flange is positioned at the protection tube plug-in opening of described flue;
Be fixed on the interior clamping cylinder on the furnace shell of described bottom immersion heating and thermal insulation stove, the end face of described interior clamping cylinder circumferentially withstands on the end face of described protection tube; With
Be fixed on described furnace shell, and be enclosed within the external compression cylinder outside described interior clamping cylinder, described external compression cylinder is provided with the base plate of band open-work near the end of described protection tube, described base plate circumferentially withstands on the end face of described cone seal flange.
Preferably, in the immersion heating and thermal insulation stove of above-mentioned bottom, the axis of described interior clamping cylinder and the dead in line of described protection tube.
Preferably, in the immersion heating and thermal insulation stove of above-mentioned bottom, the cross section of described interior clamping cylinder and the shape of the cross section of described protection tube, size are all identical.
Preferably, in the immersion heating and thermal insulation stove of above-mentioned bottom, the end extenal fixation of described interior clamping cylinder has the limiting section that can be stuck in described through-hole position.
Preferably, in the immersion heating and thermal insulation stove of above-mentioned bottom, described external compression cylinder is coaxial with described protection tube.
Preferably, in the immersion heating and thermal insulation stove of above-mentioned bottom, described external compression cylinder has the first ring flange away from the end winding support of described protection tube, and described first ring flange is fixed on outside described furnace shell by fixture.
Preferably, in the immersion heating and thermal insulation stove of above-mentioned bottom, the end winding support away from described protection tube on described interior clamping cylinder has the second ring flange, and described second ring flange is fixed on described first ring flange by fixture.
Preferably, in the immersion heating and thermal insulation stove of above-mentioned bottom, the heat preservation sandwich layer of described bottom immersion heating and thermal insulation stove is hard calcium silicates flaggy.
Preferably, in the immersion heating and thermal insulation stove of above-mentioned bottom, described hard calcium silicates flaggy is fixed on described flue, and is provided with sealant between described hard calcium silicates flaggy and described furnace shell.
Preferably, in the immersion heating and thermal insulation stove of above-mentioned bottom, the hard calcium silicates sheet frame be closely inlaid in described flue is also comprised; Described hard calcium silicates flaggy is fixed on described hard calcium silicates sheet frame.
The invention provides a kind of bottom immersion heating and thermal insulation stove, it comprises protection tube, interior clamping cylinder and external compression cylinder, and wherein, protection tube is inserted on the flue of this bottom immersion heating and thermal insulation stove, and the end winding support of this protection tube has cone seal flange; Sealing flange is positioned at the protection tube plug-in opening of flue; Interior clamping cylinder is fixed on the furnace shell of this bottom immersion heating and thermal insulation stove, and its end face circumferentially withstands on the end face of protection tube; External compression jacket casing outside interior clamping cylinder, and is fixed on furnace shell; One end of above-mentioned external compression cylinder is provided with the base plate of band open-work, and this base plate circumferentially withstands on the end face of cone seal flange.
In the immersion heating and thermal insulation stove of bottom provided by the invention, be provided with external compression cylinder and interior clamping cylinder, wherein, the base plate of external compression cylinder circumferentially withstands on the end face of cone seal flange, can reduce by the amount liquid metal oozed out in the crackle of cone seal flange, avoid liquid metal to ooze out by the crackle of cone seal flange even completely; Simultaneously; the end face of interior clamping cylinder circumferentially withstands on the end of protection tube; reach the effect of the mouth of pipe of shutoff protection tube, after the liquid metal oozed out by the crackle of cone seal flange can be avoided to enter external compression sleeve by the gap between cone seal flange and base plate, arrive the mouth of pipe of protection tube.
To sum up; in the immersion heating and thermal insulation stove of bottom provided by the invention; external compression cylinder and interior clamping cylinder serve double sealing effect, and liquid metal can be avoided completely to be oozed out in rear arrival protection tube by the gap of cone seal flange, and then avoid heater and burnt by the liquid metal of high temperature.
In addition; in the immersion heating and thermal insulation stove of bottom provided by the invention; external compression cylinder holds out against cone seal flange; cone seal flange and flue close contact can be made; and then minimizing avoids liquid metal to be oozed out by the gap between cone seal flange and flue even completely; prevent above-mentioned liquid metal from entering (in namely arriving clamping cylinder place) in external compression cylinder; meanwhile, interior clamping cylinder can avoid the above-mentioned liquid metal oozed out by the gap of cone seal flange and flue to arrive in protection tube after by the gap between external compression cylinder and cone seal flange.Therefore; in the immersion heating and thermal insulation stove of bottom provided by the invention; the dual sealing functions of interior clamping cylinder and external compression cylinder can also avoid liquid metal to be oozed out in rear arrival protection tube by the gap between cone seal flange and flue, further increases the security of protection tube internal heater.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of prior art middle and lower part immersion heating and thermal insulation stove;
The structural representation of the bottom immersion heating and thermal insulation stove that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the sectional view of A-A in Fig. 2;
Fig. 4 is the sectional view of B-B in Fig. 2;
The main TV structure schematic diagram of the external compression cylinder that Fig. 5 provides for the embodiment of the present invention;
The plan structure schematic diagram of the external compression cylinder that Fig. 6 provides for the embodiment of the present invention;
Fig. 7 for the embodiment of the present invention provide in the sectional view of clamping cylinder;
Fig. 8 for the embodiment of the present invention provide in the plan structure schematic diagram of clamping cylinder;
Wherein, in Fig. 2-Fig. 8:
Furnace shell 101; Interior clamping cylinder 102; Second ring flange 121; Limiting section 122; External compression cylinder 103; First ring flange 131; Base plate 132; Hard calcium silicates flaggy 104; Hard calcium silicates sheet frame 105; Cone seal flange 106; Flue 107; Protection tube 108; Sealant 109.
Detailed description of the invention
The embodiment of the invention discloses a kind of bottom immersion heating and thermal insulation stove; it has interior clamping cylinder and external compression cylinder; can dual-seal be provided, avoid the liquid metal of insulation to be arrived in protection tube by the crack of cone seal flange, prevent the heater in protection tube from being burnt.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 2-Fig. 8, the bottom immersion heating and thermal insulation stove that the embodiment of the present invention provides comprises protection tube 108, interior clamping cylinder 102 and external compression cylinder 103, wherein, protection tube 108 is through in the protection tube plug-in opening be inserted into after the protection tube breach on the furnace shell 101 of this bottom immersion heating and thermal insulation stove on the flue 107 of this bottom immersion heating and thermal insulation stove; The end winding support of protection tube 108 has cone seal flange 106, and this cone seal flange 106 is positioned at above-mentioned protection tube plug-in opening; Interior clamping cylinder 102 is fixed on the furnace shell 101 of this bottom immersion heating and thermal insulation stove, and the end face of its one end circumferentially withstands on the end face of protection tube 108; External compression cylinder 103 is enclosed within outside interior clamping cylinder 102, and is fixed on furnace shell 101; One end of above-mentioned external compression cylinder 103 is provided with the base plate 132 of band open-work, and this base plate 132 circumferentially withstands on the end face of cone seal flange 106.
Concrete, above-mentioned base plate 132 only withstands on the end face of cone seal flange 106, and it does not contact with flue 107, and cone seal flange 106 can be made to hold out against in the protection tube plug-in opening of flue 107, makes cone seal flange 106 and flue 107 close contact.
In the bottom immersion heating and thermal insulation stove that the embodiment of the present invention provides, be provided with external compression cylinder 103 and interior clamping cylinder 102, wherein, the base plate 132 of external compression cylinder 103 circumferentially withstands on the end face of cone seal flange 106, can reduce by the amount liquid metal oozed out in the crackle of cone seal flange 106, avoid liquid metal to ooze out by the crackle of cone seal flange 106 even completely; Simultaneously; the end face of interior clamping cylinder 102 circumferentially withstands on the end of protection tube 108; reach the effect of the mouth of pipe of shutoff protection tube 108; the liquid metal oozed out by the crackle of cone seal flange 106 can be avoided, flow into after entering external compression sleeve by the gap between cone seal flange 106 and base plate 132 in protection tube 108.
To sum up; in the bottom immersion heating and thermal insulation stove that the embodiment of the present invention provides; external compression cylinder 103 and interior clamping cylinder 102 serve double sealing effect; liquid metal can be avoided completely to be oozed out in rear arrival protection tube 108 by the crack of cone seal flange 106, and then avoid the heater in protection tube 108 and burnt by the liquid metal of high temperature.
In addition, in the bottom immersion heating and thermal insulation stove that the embodiment of the present invention provides, external compression cylinder 103 holds out against cone seal flange 106, cone seal flange 106 and flue 107 close contact can be made, and then minimizing avoids liquid metal to be oozed out by the gap between cone seal flange 106 and flue 107 even completely, prevent above-mentioned liquid metal from entering (in namely arriving clamping cylinder 102 place) in external compression cylinder 103; Meanwhile, interior clamping cylinder 102 can avoid the above-mentioned liquid metal oozed out by the gap of cone seal flange 106 and flue 107 to arrive in protection tube 108 after by the gap between external compression cylinder 103 and cone seal flange 106.Therefore; in the bottom immersion heating and thermal insulation stove that the embodiment of the present invention provides; the dual sealing functions of interior clamping cylinder 102 and external compression cylinder 103 can also avoid liquid metal to be oozed out in rear arrival protection tube 108 by the gap between cone seal flange 106 and flue 107, further increases the security of protection tube 108 internal heater.
Concrete, the protection tube plug-in opening of above-mentioned flue 107 is the bellmouth coordinated with cone seal flange 106, and its area of section reduces in flue 107 gradually by flue 107 is outer.
Preferably, in the bottom immersion heating and thermal insulation stove that above-described embodiment provides, the axis of interior clamping cylinder 102 and the dead in line of protection tube 108.
Further, in the immersion heating and thermal insulation stove of above-mentioned bottom, in order to ensure the mouth of pipe of tight closure protection tube 108, it is identical that interior clamping cylinder 102 and external compression cylinder 103 are set to shape, and namely the shape and size of both cross sections are all identical.
Because protection tube 108 is high thermal conduc tivity ceramics protection tube; in order to avoid causing protection tube 108 to damage because interior clamping cylinder 102 pressure is excessive; in the bottom immersion heating and thermal insulation stove that above-described embodiment provides, interior clamping cylinder 102 is provided with the limiting section 122 of the through-hole position that can be stuck in base plate 132 near the periphery, end of protection tube 108.Concrete, the structure of above-mentioned limiting section 122 can be set to a projection, multiple projection or circumferential convex edge etc., and the structure of the present embodiment to limiting section 122 does not limit.
Further; in the bottom immersion heating and thermal insulation stove that above-described embodiment provides; cone seal flange 106 is set with and is fixed on outside protection tube 108; both are coaxial; conveniently the base plate 132 of external compression cylinder 103 holds out against the end face of cone seal flange 106, and above-mentioned external compression cylinder 103 is set to protection tube 108 coaxial.
In the immersion heating and thermal insulation stove of above-mentioned bottom, external compression cylinder 103 can be set to circular copper, square tube etc., the shape of the external clamping cylinder 103 of the present embodiment does not limit, but its base plate 132 shape is preferably set to all identical with shape and size cone seal flange 106 being close to the end face of external compression cylinder 103, that is, after assembling, base plate 132 is fitted just completely with the end face of cone seal flange 106.
Concrete, in the bottom immersion heating and thermal insulation stove that above-described embodiment provides, external compression cylinder 103 has the first ring flange 131 away from the end winding support of cone seal flange 106, and above-mentioned first ring flange 131 is fixed on outside furnace shell 101 by fixture.Above-mentioned interior clamping cylinder 102 is fixed on furnace shell 101 by external compression cylinder 103, concrete, and interior clamping cylinder 102 has the second ring flange 121, second ring flange 121 to be fixed on the first ring flange 131 by fixture away from the end winding support of protection tube 108.
Preferably, in the bottom immersion heating and thermal insulation stove that above-described embodiment provides, the distance in furnace shell 101 is stretched into for the ease of adjustment external compression cylinder 103, to regulate its base plate 132 to hold out against the dynamics of cone seal flange 106, above-mentioned first ring flange 131 is preferably placed through bolt or stud is fixed on furnace shell 101; Equally, stretch into distance in furnace shell 101 for the ease of adjusting interior clamping cylinder 102, to adjust the dynamics that its base plate 132 holds out against cone seal flange 106, above-mentioned second ring flange 121 is equally preferably placed through bolt or stud is fixed on the first ring flange 131.
In addition, above-mentioned first ring flange 131 and the second ring flange 121 can be set to be fixed on the end of external compression cylinder 103 and interior clamping cylinder 102 respectively by the mode of welding, also can be set to be integral type structure with external compression cylinder 103 and interior clamping cylinder 102 respectively.
In the bottom immersion heating and thermal insulation stove that above-described embodiment provides, its heat preservation sandwich layer is clipped between flue 107 and furnace shell 101, and the protection tube indentation, there of doubling-up on furnace shell 101, external compression cylinder 103 and interior clamping cylinder 102 are positioned at the cavity surrounded in the middle part of heat preservation sandwich layer.
Above-mentioned heat preservation sandwich layer is specially the hard calcium silicates flaggy 104 of high insulating effect, and this hard calcium silicates flaggy 104 is fixed on flue 107, and is provided with sealant 109 between this hard calcium silicates flaggy 104 and furnace shell 101.
Concrete, in the immersion heating and thermal insulation stove of above-mentioned bottom, hard calcium silicates flaggy 104 is closely fixed on flue 107.In the bottom immersion heating and thermal insulation stove that the present embodiment provides; hard calcium silicates flaggy 104 1 aspect and flue 107 compact siro spinning technology; be provided with sealant 109 on the other hand and between furnace shell 101; the effect along the gap between the circumferential shutoff furnace shell 101 and flue 107 of protection tube breach can be obtained; the liquid metal of insulation can be avoided to flow into after between furnace shell 101 and flue 107 through the gap on flue 107 or crackle, revealed by protection tube indentation, there.
Concrete, in the immersion heating and thermal insulation stove of above-mentioned bottom, also comprise and embed in flue 107, ground is also closely fixed on the hard calcium silicates sheet frame 105 on flue 107; Hard calcium silicates flaggy 104 is fixed on hard calcium silicates sheet frame 105 especially by fixtures such as bolts, and both are adjacent to.Certainly, in order to ensure fastness, between above-mentioned hard calcium silicates flaggy 104 and hard calcium silicates sheet frame 105, also can viscose glue be set.
In addition, above-mentioned flue 107 be mould material first through moulding by casting, then make through oversintering.Above-mentioned hard calcium silicates sheet frame 105 is fixed on by fixture in groove that flue 107 is offered, accordingly, needs between the two to arrange fluid sealant to guarantee compact siro spinning technology; Above-mentioned hard calcium silicates sheet frame 105 is preferably set to be cast for one with flue 107, during production, need in mould, imbed hard calcium silicates sheet frame 105 in advance, then flue 107 moulding by casting is made, and then flue 107 is cast for one with hard calcium silicates sheet frame 105, the flue 107 and the hard calcium silicates sheet frame 105 that finally make to be cast for one sinter (sintering time can be set to 7 days, and the maximum temperature of sintering can be set to 800 DEG C).
Concrete, in the bottom immersion heating and thermal insulation stove that above-described embodiment provides, hard calcium silicates flaggy 104 can be set to comprise one deck hard calcium silicate board, and also can be set to comprise the hard calcium silicate board that multilayer is fixedly connected with as required, the hard silicic acid cover plate of adjacent layer need be set to mutually be close to.
In the bottom immersion heating and thermal insulation stove that the present embodiment provides, heat-insulation layer is specifically set to the hard calcium silicates flaggy 104 of high insulating effect, amount of heat can be avoided to scatter and disappear by around the mouth of pipe of protection tube 108, improve heat insulation effect.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a bottom immersion heating and thermal insulation stove, is characterized in that, comprising:
Be inserted into the protection tube on the flue of described bottom immersion heating and thermal insulation stove, the end extenal fixation of described protection tube has cone seal flange, and described cone seal flange is positioned at the protection tube plug-in opening of described flue;
Be fixed on the interior clamping cylinder on the furnace shell of described bottom immersion heating and thermal insulation stove, the end face of described interior clamping cylinder circumferentially withstands on the end face of described protection tube; With
Be fixed on described furnace shell, and be enclosed within the external compression cylinder outside described interior clamping cylinder, described external compression cylinder is provided with the base plate of band open-work near the end of described protection tube, described base plate circumferentially withstands on the end face of described cone seal flange.
2. bottom according to claim 1 immersion heating and thermal insulation stove, is characterized in that, the axis of described interior clamping cylinder and the dead in line of described protection tube.
3. bottom according to claim 2 immersion heating and thermal insulation stove, is characterized in that, the cross section of described interior clamping cylinder and the shape of the cross section of described protection tube, size are all identical.
4. bottom according to claim 3 immersion heating and thermal insulation stove, it is characterized in that, the end extenal fixation of described interior clamping cylinder has the limiting section that can be stuck in described through-hole position.
5. the bottom immersion heating and thermal insulation stove according to claim 2-4 any one, it is characterized in that, described external compression cylinder is coaxial with described protection tube.
6. bottom according to claim 5 immersion heating and thermal insulation stove, it is characterized in that, described external compression cylinder has the first ring flange away from the end winding support of described protection tube, and described first ring flange is fixed on outside described furnace shell by fixture.
7. bottom according to claim 6 immersion heating and thermal insulation stove, it is characterized in that, the end winding support away from described protection tube on described interior clamping cylinder has the second ring flange, and described second ring flange is fixed on described first ring flange by fixture.
8. bottom according to claim 1 immersion heating and thermal insulation stove, is characterized in that, the heat preservation sandwich layer of described bottom immersion heating and thermal insulation stove is hard silicic acid cover layer.
9. bottom according to claim 8 immersion heating and thermal insulation stove, is characterized in that, described hard silicic acid cover layer is fixed on described flue, and is provided with sealant between described hard silicic acid cover layer and described furnace shell.
10. bottom according to claim 9 immersion heating and thermal insulation stove, is characterized in that, also comprises the hard calcium silicates sheet frame be closely inlaid in described flue; Described hard calcium silicates flaggy is fixed on described hard calcium silicates sheet frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310404052.0A CN103411434B (en) | 2013-09-06 | 2013-09-06 | Lower immersed type heating holding furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310404052.0A CN103411434B (en) | 2013-09-06 | 2013-09-06 | Lower immersed type heating holding furnace |
Publications (2)
| Publication Number | Publication Date |
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| CN103411434A CN103411434A (en) | 2013-11-27 |
| CN103411434B true CN103411434B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310404052.0A Active CN103411434B (en) | 2013-09-06 | 2013-09-06 | Lower immersed type heating holding furnace |
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| Country | Link |
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| CN (1) | CN103411434B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116638063B (en) * | 2023-05-17 | 2023-11-07 | 沈阳东大三建工业炉制造有限公司 | Differential pressure casting aluminum supply system and process |
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| US4556202A (en) * | 1983-03-04 | 1985-12-03 | Toshiba Ceramics Co., Ltd. | Under-heater type furnace |
| CN101797633A (en) * | 2010-04-06 | 2010-08-11 | 宁波市江北区协成工业炉制造有限公司 | Electric holding furnace for aluminum alloy die-casting |
| US7993574B2 (en) * | 2008-02-27 | 2011-08-09 | Spx Corporation | Board lined furnace with side immersion heating elements |
| CN201926296U (en) * | 2010-07-23 | 2011-08-10 | 正英日坩工业燃烧设备(上海)有限公司 | Submerged tube type electrical heating holding furnace |
| CN102159734A (en) * | 2008-09-16 | 2011-08-17 | 美铝公司 | Sidewall and bottom electrode arrangement for electrical smelting reactors and method for feeding such electrodes |
| CN203489685U (en) * | 2013-09-06 | 2014-03-19 | 重庆东热工业炉有限公司 | Lower-portion submerged heating and heat-preserving furnace |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5661271B2 (en) * | 2009-10-20 | 2015-01-28 | 太平洋セメント株式会社 | Seal structure between burner and furnace |
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2013
- 2013-09-06 CN CN201310404052.0A patent/CN103411434B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4556202A (en) * | 1983-03-04 | 1985-12-03 | Toshiba Ceramics Co., Ltd. | Under-heater type furnace |
| US7993574B2 (en) * | 2008-02-27 | 2011-08-09 | Spx Corporation | Board lined furnace with side immersion heating elements |
| CN102159734A (en) * | 2008-09-16 | 2011-08-17 | 美铝公司 | Sidewall and bottom electrode arrangement for electrical smelting reactors and method for feeding such electrodes |
| CN101797633A (en) * | 2010-04-06 | 2010-08-11 | 宁波市江北区协成工业炉制造有限公司 | Electric holding furnace for aluminum alloy die-casting |
| CN201926296U (en) * | 2010-07-23 | 2011-08-10 | 正英日坩工业燃烧设备(上海)有限公司 | Submerged tube type electrical heating holding furnace |
| CN203489685U (en) * | 2013-09-06 | 2014-03-19 | 重庆东热工业炉有限公司 | Lower-portion submerged heating and heat-preserving furnace |
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| CN103411434A (en) | 2013-11-27 |
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