CN2869728Y - Non-ferrous metal smelting, heat-insulating composite furnace - Google Patents
Non-ferrous metal smelting, heat-insulating composite furnace Download PDFInfo
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- CN2869728Y CN2869728Y CN 200520116422 CN200520116422U CN2869728Y CN 2869728 Y CN2869728 Y CN 2869728Y CN 200520116422 CN200520116422 CN 200520116422 CN 200520116422 U CN200520116422 U CN 200520116422U CN 2869728 Y CN2869728 Y CN 2869728Y
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- holding furnace
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Abstract
The utility model relates to a nonferrous metal smelting and insulating combined furnace, which comprises a smelting furnace (1) and an insulating furnace (3), between which a path (31) is provided and a control valve (2) is provided on the path (31), characterized in that one end of the said path (31) is connected with the bottom of the smelting furnace (1) with another end connected with the bottom of the insulating furnace (3) and an outlet (32) of the insulating furnace (3) is set on the bottom on the insulating furnace (3) too. Compared with current technology, the utility model transfers the melted metal under totally enclosed conditions, viz. the melted metal does not contact with air so as to avoid the metal vaporize and oxidizing loss effectively and reduce the material cost, improve the production surroundings and avoids the harmful effect caused by the air absorption of the melted metal. The utility model smelting furnace does not interfere the molding in the insulating furnace during alloy composition matching, so the control on the metal composition is the same with the original detachable furnace to realize the material matching according to the furnace.
Description
Technical field
The utility model includes non-ferrous metal foundry furnace technical field, refers in particular to the melting that is applied to brass regeneration, is incubated compound stove.
Background technology
At present, utilize useless composition brass to produce the traditional handicraft of brass bar, be earlier raw material to be carried out melting in smelting furnace, treat that copper liquid composition configuration pours holding furnace again into after qualified and carry out continuous casting, there is a large amount of zinc volatilizations to form the zinc oxide mist of white during owing to the turndown metaideophone, so both caused metal loss, and again production environment had been polluted.From Analysis on Mechanism that the zinc mist is produced as can be known, when leaving standstill, copper liquid can form one deck Zinc oxide film on the surface, this tunic has hindered the further evaporation of zinc, but copper liquid is disturbed when the turndown metaideophone, destroyed the integrality of Zinc oxide film, copper liquid is directly contacted with air, cause the rapid evaporation of zinc, and the size of its evaporation capacity is relevant with area and time that copper liquid contacts with air.The existing patent No. is that 99238637.3 utility model names are called the Chinese utility model patent of " smelting non-ferrous metal holding furnace ", a kind of type of furnace is disclosed, structure comprises moist closet, melting chamber and preheating chamber, it is characterized in that each chamber separates by refractory layer, respectively be provided with passage again and control communications and liaison by valve, make its three Room not only become one but also independently exist, melting chamber and moist closet adopt two heating sources independently separately, insulation and fusing can be used simultaneously, can use separately again.This structure is the syllogic aluminium melting furnace of standard, though certain advantage is arranged, but its shortcoming is the transfer of molten non-ferrous metal does not carry out in totally-enclosed process, the outlet of melting chamber is opened on the moist closet molten surface, do like this aluminium product problem little (feature of aluminium is not volatile), but it is higher and contain the alloy of volatile element to fusion temperatures such as brass, just unavoidably make cast raw material be subjected to greater loss, and can cause serious pollution, thereby improve the production and the social cost of enterprise to environment; Because of liquation can not shift in totally-enclosed process, when the liquation in the smelting furnace from holding furnace again to the process of continuous cast mold, can lose certain heat, therefore have to replenish more thermal energy in holding furnace, this will further improve the production cost of enterprise; Above-mentioned in addition nonferrous metal smelting furnace is combustion gas or oil burner, purposes has certain limitation, and operating temperature has only six, 700 degree, and utilizing useless composition brass to produce brass bar then needs the above high temperature of 1,000 degree (reaching degree more than 1,300 when producing bronze), and this type of furnace can't realize at all; So described structure awaits further to improve.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of smelting non-ferrous metal at the above-mentioned state of the art, be incubated compound stove, molten non-ferrous metal is not contacted with air in the turn of tidal stream process, can effectively avoid the loss of easy evaporation, easy oxidation metal, solve the harmful effect that the air-breathing grade of metal bath causes quality.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: this smelting non-ferrous metal, be incubated compound stove, include smelting furnace and holding furnace, be provided with passage between smelting furnace and the holding furnace, and be provided with by-pass valve control at the passage place, described smelting furnace and holding furnace are provided with heater independently of one another, an end that it is characterized in that passage is connected with the bottom of smelting furnace, and the other end of passage is connected with the bottom of holding furnace, and the outlet of holding furnace is arranged at the bottom of holding furnace.
Its exit of above-mentioned holding furnace is provided with continuous cast mold.
As improvement, described heater may be selected to be in the thermal insulator that is separately fixed at smelting furnace and below, holding furnace bottom; This heater can be preferably and can make melting body temperature degree reach 1500 ℃ line-frequency induction heater, and described smelting furnace and holding furnace promptly with suitable smelting furnace and the holding furnace made by high-temperature refractory of heater.
As further improvement, described valve can be control valve; This valve can include valve body and valve rod, valve body is horizontally placed on the bottom of smelting furnace, and the upper lateral part at the valve body middle part has the insertion chamber that valve rod can stretch into, the lower end of described valve rod can be inserted in to cooperate in the valve body insertion chamber up or down closes envelope, and smelting furnace is extended on the top of valve rod.Described valve rod can be designed to the bar shaped bar of hollow, its lower end and resistant to elevated temperatures obstruction head fixes, and reducing cost, the lower end of this obstructions head can moving up and down and stretch into or extract the insertion chamber with valve rod, and then obstruction or conducting valve body, and the upper end of valve body is connected with lever.And cone shape can be adopted in a described obstruction lower end.
Improve, described passage may be selected to be the conduit of being made by exotic material (31a) again.
As improvement, described heater can be preferably the electric furnace heater that temperature can reach 1500 ℃, and described smelting furnace and holding furnace promptly with suitable smelting furnace and the holding furnace made by high-temperature material of heater; Described passage may be selected to be the conduit with good high temperature resistant and sealing.
Compared with prior art, the utility model adopts the end with passage to be connected with the bottom of smelting furnace, and the other end of passage is connected with the bottom of holding furnace, and the outlet of holding furnace also is arranged at the bottom of holding furnace, when transferring to holding furnace and continuous cast mold, the liquation in the smelting furnace all under full closeding state, carries out like this, liquation does not contact with air, thereby avoided the loss of easy evaporation, easy oxidation metal effectively and to the pollution of environment, reduced raw-material cost, the harmful effect of also having avoided the air-breathing grade of metal bath that quality is caused; Again owing to the transfer of melt is carried out in the liquation of sealing all the time, so whole transfer process does not have the cooling loss substantially, for enterprise has saved suitable electric energy; Also having smelting furnace of the present utility model to cast with holding furnace during alloying component in allotment does not disturb mutually, so it is consistent with original split type stove to the control of alloying component, can realize proportioning according to furnace, and its maximum operating temperature can reach more than 1500 ℃, so working range is extensive, be applicable to the production of multiple non-ferrous metal, particularly because no longer turndown upset of smelting furnace, make things convenient for effective utilization of fire door dust removal installation, fundamentally solved the abominable hard nut to crack of production environment; Have, valve of the present utility model can be regulated flow again, thus can control freely the commentaries on classics liquid measure of liquation, with flexibility that further promotes to produce and the stability that guarantees product quality; And the utility model smelting furnace and holding furnace compact conformation, floor space is little, and functional reliability is good, and simple to operation, long service life so the utility model is a kind of innovation that practicality is arranged very much, is worthy of popularization.
Description of drawings
Fig. 1 is the structure cutaway view of the utility model embodiment;
Fig. 2 is the enlarged drawing of I portion among Fig. 1.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, the smelting non-ferrous metal of present embodiment, be incubated compound stove, include smelting furnace 1 and holding furnace 3, it exports described holding furnace 3 32 places and is provided with continuous cast mold 4.Be provided with passage 31 between smelting furnace 1 and the holding furnace 3, this passage 31 is the conduit 31a by good exotic material.31 places are provided with by-pass valve control 2 at passage, this valve 2 is adjustable valves of a kind of adjustable throttle amount size, it includes valve body 24 and valve rod 22, valve body 24 is horizontally placed on the bottom of smelting furnace 1, upper lateral part at valve body 24 middle parts has the insertion chamber 25 that valve rod 22 can stretch into, the lower end of described valve rod 22 can be inserted in the insertion chamber 25 of valve body 24 up or down, and smelting furnace 1 is extended on the top of valve rod 22.Described valve rod 22 is the bar shaped bar of hollow, and its lower end and resistant to elevated temperatures obstruction 23 fixes, and the lower end can be with the moving up and down and stretch into or extract and insert chamber 25 of valve rod 22, and then obstruction or conducting valve body 24.Cone shape is adopted in the lower end of described obstruction 23, thereby more helps sealing.And the upper end of valve body 22 is connected with lever 21.Described smelting furnace 1 is provided with heater 11,33 independently of one another with holding furnace 3, and this heater 11,33 is separately fixed in the thermal insulator 5 of smelting furnace 1 and below, holding furnace 3 bottoms, sees shown in Figure 1.And described heater 11,33 can reach line-frequency induction heater more than 1500 ℃ for temperature, and described smelting furnace 1 and holding furnace 3 promptly with suitable smelting furnace 1 and the holding furnace 3 made by high-temperature refractory of heater 11,33.One end of described passage 31 is connected with the bottom of smelting furnace 1, and the other end of passage 31 is connected with the bottom of holding furnace 3, and the outlet 32 of holding furnace 3 also is arranged at the bottom of holding furnace 3.
Operating process of the present utility model and principle are as follows:
Smelting non-ferrous metal of the present utility model, be incubated compound stove, between smelting furnace and holding furnace, be provided with passage, and valving is installed.Alloy in the smelting furnace is after the on-the-spot sample analysis composition is qualified, the outward winding valve rod of by-pass valve control through passage tapping in holding furnace, is put into and screws valve rod after the degree that needs and stop tapping, this has just realized the batch (-type) turn of tidal stream of fusion process, and the big I of flow quantity is arbitrarily regulated and control according to producing needs.With brass bar production is that example describes, this The Application of Technology avoided melt when metaideophone with the contacting of air, the difficult problem of zinc evaporation is readily solved, both guaranteed the stable of copper alloy composition, greatly reduce the loss of metallic zinc again, significantly improved production environment.Compare with traditional turndown metaideophone, sampling respectively before and after turndown, record the volatilization loss of zinc between 0.23～0.45% through spectrum analysis, about 150,000 tons of brass (average content of zinc is 40%) that consume in our company in 2004 only, just can save 138～270 tons on pure zinc, the price of present zinc per ton is about 13200 yuan, promptly has been equivalent to save 182～3,560,000 yuan expense of raw materials; When adopting the turndown metaideophone in addition, because of stove is the branch body structure, cause long flow path, the area of dissipation of molten metal metaideophone big, thereby produced tangible temperature drop process, turndown action simultaneously also needs to consume certain power, data test shows that compound stove of the present utility model on average lacks power consumption 6.7kwh than turndown metaideophone stove product per ton; Moreover because the upset of need not fascinating, make furnace binding simpler, not only saved a cover hydraulic pressure turndown device, prolonged the service life of stove, reduced maintenance of equipment, and made the dust gathering arrester structure of fire door simpler, easier for installation, use more effectively, improved the collecting effect of melting flue gas greatly.
Claims (9)
1, a kind of smelting non-ferrous metal, be incubated compound stove, include smelting furnace (1) and holding furnace (3), be provided with passage (31) between smelting furnace (1) and the holding furnace (3), and locate to be provided with by-pass valve control (2) at passage (31), described smelting furnace (1) is provided with heater (11,33) independently of one another with holding furnace (3), an end that it is characterized in that described passage (31) is connected with the bottom of smelting furnace (1), and the other end of passage (31) is connected with the bottom of holding furnace (3), and the outlet (32) of holding furnace (3) is arranged at the bottom of holding furnace (3).
2, smelting non-ferrous metal according to claim 1, be incubated compound stove, it is characterized in that its outlet of described holding furnace (3) (32) locates to be provided with continuous cast mold (4).
3, smelting non-ferrous metal according to claim 2, be incubated compound stove, it is characterized in that described heater (11,33) is separately fixed in the thermal insulator (5) of below, smelting furnace (1) and holding furnace (3) bottom.
4, smelting non-ferrous metal according to claim 3, be incubated compound stove, it is characterized in that described heater (11,33) for can make melting body temperature degree reach 1500 ℃ line-frequency induction heater, and described smelting furnace (1) and holding furnace (3) promptly with suitable smelting furnace (1) and the holding furnace (3) made by high-temperature refractory of heater (11,33).
5, according to claim 1 or 2 or 3 or 4 described smelting non-ferrous metals, be incubated compound stove, it is characterized in that described valve (2) is a control valve.
6, smelting non-ferrous metal according to claim 5, be incubated compound stove, it is characterized in that described valve (2) includes valve body (24) and valve rod (22), described valve body (24) is horizontally placed on the bottom of smelting furnace (1), upper lateral part at valve body (24) middle part, have the insertion chamber (25) that valve rod (22) can stretch into, the lower end of described valve rod (22) can be inserted in up or down closes the envelope cooperation in valve body (24) the insertion chamber (25), and smelting furnace (1) is extended on the top of valve rod (22).
7, smelting non-ferrous metal according to claim 6, be incubated compound stove, it is characterized in that described valve rod (22) is the bar shaped bar of hollow, its lower end and resistant to elevated temperatures obstruction head (23) fix, the lower end of this obstruction head (23) can be with the moving up and down and stretch into or extract and insert chamber (25) and block or conducting valve body (24) of valve rod (22), and the upper end of valve body (22) is connected with lever (21).
8, smelting non-ferrous metal according to claim 7, be incubated compound stove, it is characterized in that described obstruction head (23) lower end adopts cone shape.
9, according to claim 1 or 2 or 3 or 4 described smelting non-ferrous metals, be incubated compound stove, it is characterized in that described passage (31) is the conduit of being made by exotic material (31a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520116422 CN2869728Y (en) | 2005-11-15 | 2005-11-15 | Non-ferrous metal smelting, heat-insulating composite furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520116422 CN2869728Y (en) | 2005-11-15 | 2005-11-15 | Non-ferrous metal smelting, heat-insulating composite furnace |
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| CN2869728Y true CN2869728Y (en) | 2007-02-14 |
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| CN 200520116422 Expired - Lifetime CN2869728Y (en) | 2005-11-15 | 2005-11-15 | Non-ferrous metal smelting, heat-insulating composite furnace |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101708542B (en) * | 2009-11-25 | 2011-07-20 | 宜兴市佳力科技有限公司 | Heat preserving furnace transferring system |
| CN103196294A (en) * | 2013-04-28 | 2013-07-10 | 济南誉腾工贸有限公司 | Energy-saving insulating-smelting integration furnace |
| CN107131766A (en) * | 2016-02-26 | 2017-09-05 | 泰州市兴华齿轮制造有限公司 | A kind of solid-liquid separating smelting furnace |
| CN107924728A (en) * | 2015-08-12 | 2018-04-17 | 韩国水力原子力株式会社 | Plasma melting furnace with side discharge gate |
| CN110332799A (en) * | 2019-08-05 | 2019-10-15 | 无锡锦绣轮毂有限公司 | Melting stands integral type aluminium melting furnace |
-
2005
- 2005-11-15 CN CN 200520116422 patent/CN2869728Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101708542B (en) * | 2009-11-25 | 2011-07-20 | 宜兴市佳力科技有限公司 | Heat preserving furnace transferring system |
| CN103196294A (en) * | 2013-04-28 | 2013-07-10 | 济南誉腾工贸有限公司 | Energy-saving insulating-smelting integration furnace |
| CN107924728A (en) * | 2015-08-12 | 2018-04-17 | 韩国水力原子力株式会社 | Plasma melting furnace with side discharge gate |
| CN107131766A (en) * | 2016-02-26 | 2017-09-05 | 泰州市兴华齿轮制造有限公司 | A kind of solid-liquid separating smelting furnace |
| CN110332799A (en) * | 2019-08-05 | 2019-10-15 | 无锡锦绣轮毂有限公司 | Melting stands integral type aluminium melting furnace |
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