CN100404709C - Graphite beating belt fast cooling type zinc smelting furnace - Google Patents
Graphite beating belt fast cooling type zinc smelting furnace Download PDFInfo
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- CN100404709C CN100404709C CNB2006101012228A CN200610101222A CN100404709C CN 100404709 C CN100404709 C CN 100404709C CN B2006101012228 A CNB2006101012228 A CN B2006101012228A CN 200610101222 A CN200610101222 A CN 200610101222A CN 100404709 C CN100404709 C CN 100404709C
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- zinc
- crucible
- graphite
- heater
- smelting furnace
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Abstract
The present invention belongs to metallurgical equipment, in particular it relates to a zinc smelting furnace. Said zinc smelting furnace includes the following several portions: furnace body, heating body, filter, vacuum pump, transformer and distribution board. The heating body is controlled by transformer and distribution board. Said heating body has a cylindrical birdcage structure, its upper and lower two ends are equipped with graphite ring respectively, its graphite heating bars are connected with two end graphite rings along the periphery. In furnace body centre interior a smelting crucible and a zinc-recovering crucible are superimposed, said zinc-recovering crucible is positioned on the smelting crucible. The furnace interior is divided into upper and lower two chambers, upper space, is zinc-recovering chamber in which the zinc-recovering crucible is placed, the lower space is heating chamber in which the smelting crucible is placed. The heating body also is placed in the heating chamber interior. Said invention is high in production efficiency and good in zinc recovery effect.
Description
Technical field
The present invention relates to a kind of metallurgical equipment, particularly a kind of zinc smelting furnace.
Background technology
Zinc smelting furnace is to make solvent by means of zinc, makes waste alloy be dispersed into a kind of equipment of powdery substance, can not contain entrapped zinc as the powdered alloy of product, otherwise influence the powdered alloy quality, must receive zinc and handle.Present employed zinc smelting furnace all adopts resistance wire to make Heating element, insulating brick is made lagging material, as Chinese patent CN200420035903.5, a kind of receipts formula zinc smelting furnace is down disclosed, it adopts resistance wire to do heating element, do lagging material with insulating brick, do liner with high temperature steel, this method has the following disadvantages:
1, because zinc fume has the intensive corrosive nature to resistance wire, in case zinc fume enters the heating wire space, cause resistance wire to blow immediately, so resistance wire blow frequently; Steel Lining is under long-time high temperature, and distortion is serious, need often to change, in addition because of the liner distortion damages crucible, so this equipment routine maintenance is frequent, the maintenance cost height influences ordinary production.
2, adopt insulating brick to make lagging material, heat insulation effect is poor, the energy consumption height.
3, the zinc recovering effect is poor, and zinc recovery is low, and the zinc loss is big, is difficult to accomplish that the disposable zinc of taking out promptly reaches the quality product requirement.
4, adopt the required heating-up time of resistance wire type of heating long, adopt the required temperature fall time of body of heater naturally cooling mode long, cause the production cycle long, production efficiency is low.
Summary of the invention
The object of the present invention is to provide a kind of graphite beating belt fast cooling type zinc smelting furnace that overcomes defective in the prior art, it has, and equipment performance is stable, maintenance cost is low, the zinc recovering effect is good, advantage of high production efficiency.Technical scheme of the present invention is: graphite beating belt fast cooling type zinc smelting furnace, comprise body of heater 1, heating element 10, strainer 5, vacuum pump 6, transformer 15 and switchboard 16, transformer 15 and switchboard 16 control heating elements 10, described body of heater 1 center is stacked smelting pot 11 and receives zinc crucible 2, receiving zinc crucible 2 is positioned on the smelting pot 11, be divided into two Room up and down in the body of heater 1, receiving zinc crucible 2 residing upper spaces is zinc collection chamber 4, smelting pot 11 residing lower space are heating chamber 9, thermal insulation layer 13 is lining in the heating chamber 9 and with zinc collection chamber 4 and heating chamber 9 to be separated, be provided with heating element 10 in the heating chamber 9, the liner of being made by thermally conductive material 12 places heating chamber 9 centers to support and make itself and heating element 10 to separate in crucible.
As to further improvement of the present invention, described heating element 10 is a round shape birdcage structure, and two ends are graphite annulus up and down, and the heating graphite bar links along circumference and two ends graphite annulus.
As to further improvement of the present invention, the graphite annulus of described heating element 10 can be divided into according to the connecting mode of used circuit more than two sections.
As to further improvement of the present invention, the material of described thermal insulation layer 13 is the carbon felt, and heating chamber 9 tops are provided with openable wicket 3.
As to further improvement of the present invention, described liner 12 is the round shape of lower end closed, and material is a graphite, and the base plate of liner 12 and body of heater 1 inner bottom surface keep at a certain distance away;
As to further improvement of the present invention, described body of heater 1 is provided with water cooling chuck 17, is provided with cooling water temperation gauge 19 and detects water temperatures, by temperature of cooling water Controlling System control water temperature;
As to further improvement of the present invention, described body of heater 1 is provided with the furnace gas recycle system of being made up of blower fan 8 and pipeline 7, the two ends of pipeline 7 link to each other with zinc collection chamber 4 with body of heater 1 bottom respectively, and it is corresponding with pipeline 7 ports of body of heater 1 bottom that the base plate of liner 12, smelting pot 11 and the center of receiving zinc crucible 2 are equipped with centre hole;
As to further improvement of the present invention, described smelting pot 11 and receipts zinc crucible 2 are made up of tubbiness crucible body and pot cover shape crucible cover, the crucible body is provided with centre hole and around the molten groove of the annular of centre hole, the internal surface of the crucible cover of smelting pot 11 is a bottom of a pan shape concave surface, the center is provided with and crucible body centre hole corresponding hole up and down, the internal surface center of receiving the crucible cover of zinc crucible 2 is an arc-shaped concave, and the top of melting groove corresponding to crucible body annular is provided with downward opening annular receipts zinc groove.
As to further improvement of the present invention, the longitudinal section of the molten groove of the annular of described crucible body is a U-shaped wide at the top and narrow at the bottom, and the annular of crucible cover is received the U-shaped that the longitudinal section of zinc groove is.
As to further improvement of the present invention, described body of heater 1 is provided with heating chamber thermometer 16, the zinc collection chamber's thermometer 18 that detects zinc collection chamber's 4 temperature that detects heating chamber 9 temperature, the cooling water temperation gauge 19 that detects temperature of cooling water.
The present invention uses like this: a certain proportion of waste alloy and zinc ingot metal are put into smelting pot, cover bell, after vacuumizing, charge into nitrogen in the stove, graphite heater heats smelting pot, at a certain temperature, the insulation certain hour makes zinc fully fuse in the waste alloy, open vacuum pump, raising heating chamber temperature makes the zinc gasification, vacuumizes to make zinc fume rise to receipts zinc crucible, and zinc fume is met cold flow and gone into to receive in the molten groove of zinc crucible, after the zinc in the waste alloy all enters zinc collection chamber, heating element stops heating, opens the heating chamber wicket, allows the heat of heating chamber spread to zinc collection chamber, simultaneously by the cooling of body water-cooling wall, when being cooled to certain temperature, in stove, charge into nitrogen, start blower fan, nitrogen forces to take away the heat of heating chamber, nitrogen circulation to zinc collection chamber and body of heater Outer Tube the time temperature descend, enter heating chamber through the body of heater bottom again, constantly circulation makes the heating chamber temperature reduce to tapping temperature fast.At molten zinc with receive the zinc stage, the temperature of water coolant is controlled at higher temperature, to reduce heat-energy losses.
Beneficial effect of the present invention is:
1, heat-up rate is fast, and the use temperature scope significantly increases, and has improved the penetration rate of waste alloy, once receive zinc after the gained alloy product can reach criterion of acceptability.
2, adopt the insulation of carbon felt, furnace insulation is effective, and power consumption is few, compares with existing installation, and qualified zinc melt per ton can be saved power consumption more than 50%, and qualified zinc melt power consumption per ton is below 4000 degree.
3, because heat-up rate is fast, and receives and can adopt the pump circulation cooling after zinc is finished, body of heater greatly reduces cooling time, is accomplished to blow-on once more and is no more than 5 hours from receiving zinc, saves cooling time more than 10 hours, and the production cycle shortens greatly.
4, adopt graphite heating and graphite liner, can not damage, significantly reduced the maintenance man-hours and the maintenance cost of stove because of distortion causes crucible.
5, the zinc recovery height has reduced material cost.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the cross-sectional view of smelting pot of the present invention;
Fig. 3 is an inner lining structure synoptic diagram of the present invention;
Fig. 4 is the cross-sectional view of receipts zinc crucible of the present invention;
Fig. 5 is a heating element vertical view of the present invention;
Fig. 6 is a heating element structure synoptic diagram of the present invention.
Among the figure: 1, body of heater 2, receipts zinc crucible 3, wicket 4, zinc collection chamber 5, strainer 6, vacuum pump 7, pipeline 8, blower fan, 9, heating chamber 10, graphite heater 11, smelting pot 12, liner 13, thermal insulation layer 14, heating chamber thermometer 15, transformer 16, switchboard, 17, water(-cooling) jacket 18, zinc collection chamber's thermometer 19, cooling water temperation gauge.
Embodiment
Embodiment 1
Graphite beating belt fast cooling type zinc smelting furnace, comprise body of heater 1, heating element 10, strainer 5, vacuum pump 6, transformer 15 and switchboard 16, transformer 15 and switchboard 16 control heating elements 10, body of heater 1 center is stacked smelting pot 11 and receives zinc crucible 2, receiving zinc crucible 2 is positioned on the smelting pot 11, smelting pot 11 is identical substantially with the structure of receiving zinc crucible 2, form by tubbiness crucible body and pot cover shape crucible cover, the crucible body is provided with centre hole and around the molten groove of the annular of centre hole, the longitudinal section of the molten groove of the annular of crucible body is a U-shaped wide at the top and narrow at the bottom, difference is that the internal surface of the crucible cover of smelting pot 11 is a bottom of a pan shape concave surface, the center is provided with and crucible body centre hole corresponding hole up and down, the internal surface center of receiving the crucible cover of zinc crucible 2 is an arc-shaped concave, and the top of melting groove corresponding to crucible body annular is provided with downward opening, the annular of the U-shaped that the longitudinal section is is received the zinc groove.
Be divided into two Room up and down in the body of heater 1, receiving zinc crucible 2 residing upper spaces is zinc collection chamber 4, the residing lower space of smelting pot 11 is a heating chamber 9, thermal insulation layer 13 is lining in the heating chamber 9 and with zinc collection chamber 4 and heating chamber 9 to be separated, the material of thermal insulation layer 13 is the carbon felt, heating chamber 9 tops are provided with openable wicket 3, be provided with heating element 10 in the heating chamber 9, by thermally conductive material make liner 12 place heating chamber 9 centers with crucible supporting and make itself and heating element 10 separations, liner 12 is the round shape of lower end closed, material is a graphite, the base plate of liner 12 and body of heater 1 inner bottom surface keep at a certain distance away, described heating element 10 is a round shape birdcage structure, and two ends are graphite annulus up and down, and the heating graphite bar linked with the two ends graphite annulus along garden week.Graphite annulus one end of heating element 10 is the domain, and the other end is for to be divided into three sections according to used three-phase circuit connecting mode.Body of heater 1 is provided with water cooling chuck 17, is provided with cooling water temperation gauge 19 and detects water temperature, by temperature of cooling water Controlling System control water temperature; Body of heater 1 is provided with the furnace gas recycle system of being made up of blower fan 8 and pipeline 7, the two ends of pipeline 7 link to each other with zinc collection chamber 4 with body of heater 1 bottom respectively, and it is corresponding with pipeline 7 ports of body of heater 1 bottom that the base plate of liner 12, smelting pot 11 and the center of receiving zinc crucible 2 are equipped with centre hole; Body of heater 1 is provided with heating chamber thermometer 16, the zinc collection chamber's thermometer 18 that detects zinc collection chamber's 4 temperature that detects heating chamber 9 temperature, the cooling water temperation gauge 19 that detects temperature of cooling water.
Embodiment 2
With embodiment 1, difference is: graphite annulus one end of heating element 10 is the domain, and the other end is for to be divided into two sections according to used two-phase circuit connecting mode.
Embodiment 3
With embodiment 1, difference is: two graphite annuluss of heating element 10 all are divided into two sections according to used two-phase circuit connecting mode.
The present invention includes but be not limited to above-mentioned embodiment, is the round shape birdcage structure of graphite material as long as adopted heating element, promptly in protection scope of the present invention.
Claims (10)
1. graphite beating belt fast cooling type zinc smelting furnace, comprise body of heater (1), heating element (10), strainer (5), vacuum pump (6), transformer (15) and switchboard (16), transformer (15) and switchboard (16) control heating element (10), it is characterized in that: described body of heater (1) center is stacked smelting pot (11) and receives zinc crucible (2), receiving zinc crucible (2) is positioned on the smelting pot (11), be divided into two Room up and down in the body of heater (1), receiving the residing upper space of zinc crucible (2) is zinc collection chamber (4), the residing lower space of smelting pot (11) is heating chamber (9), thermal insulation layer (13) is lining in the heating chamber (9) and with zinc collection chamber (4) and heating chamber (9) to be separated, be provided with heating element (10) in the heating chamber (9), the liner of being made by thermally conductive material (12) places heating chamber (9) center to support and make itself and heating element (10) to separate in crucible.
2. graphite beating belt fast cooling type zinc smelting furnace according to claim 1 is characterized in that: described heating element (10) is a round shape birdcage structure, and two ends are graphite annulus up and down, and the heating graphite bar links along circumference and two ends graphite annulus.
3. graphite beating belt fast cooling type zinc smelting furnace according to claim 2 is characterized in that: the graphite annulus of described heating element (10) can be divided into according to the connecting mode of used circuit more than two sections.
4. graphite beating belt fast cooling type zinc smelting furnace according to claim 3 is characterized in that: the material of described thermal insulation layer (13) is the carbon felt, and heating chamber (9) top is provided with openable wicket (3).
5. graphite beating belt fast cooling type zinc smelting furnace according to claim 4 is characterized in that: described liner (12) is the round shape of lower end closed, and material is a graphite, and the base plate of liner (12) and body of heater (1) inner bottom surface keep at a certain distance away.
6. graphite beating belt fast cooling type zinc smelting furnace according to claim 5 is characterized in that: described body of heater (1) is provided with water cooling chuck (17), is provided with cooling water temperation gauge (19) and detects water temperature, by temperature of cooling water Controlling System control water temperature.
7. graphite beating belt fast cooling type zinc smelting furnace according to claim 3, it is characterized in that: described body of heater (1) is provided with the furnace gas recycle system of being made up of blower fan (8) and pipeline (7), the two ends of pipeline (7) link to each other with zinc collection chamber (4) with body of heater (1) bottom respectively, and it is corresponding that the center of the base plate of liner (1 2), smelting pot (11) and receipts zinc crucibles (2) is equipped with pipeline (7) port of centre hole bottom body of heater (1).
8. graphite beating belt fast cooling type zinc smelting furnace according to claim 7, it is characterized in that: described smelting pot (11) and receipts zinc crucibles (2) are made up of tubbiness crucible body and pot cover shape crucible cover, the crucible body is provided with centre hole and around the molten groove of the annular of centre hole, the internal surface of the crucible cover of smelting pot (11) is a bottom of a pan shape concave surface, the center is provided with and crucible body centre hole corresponding hole up and down, the internal surface center of receiving the crucible cover of zinc crucible (2) is an arc-shaped concave, and the top of melting groove corresponding to crucible body annular is provided with downward opening annular receipts zinc groove.
9. the graphite beating belt fast cooling type zinc smelting furnace of stating according to Claim 8 is characterized in that: the longitudinal section of the molten groove of the annular of described crucible body is a U-shaped wide at the top and narrow at the bottom, and the longitudinal section that the annular of crucible cover is received the zinc groove is a U-shaped.
10. graphite beating belt fast cooling type zinc smelting furnace according to claim 3 is characterized in that described body of heater (1) is provided with heating chamber thermometer (14), the zinc collection chamber's thermometer (18) that detects zinc collection chamber (4) temperature that detects heating chamber (9) temperature, the cooling water temperation gauge (19) that detects temperature of cooling water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101012228A CN100404709C (en) | 2006-06-28 | 2006-06-28 | Graphite beating belt fast cooling type zinc smelting furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101012228A CN100404709C (en) | 2006-06-28 | 2006-06-28 | Graphite beating belt fast cooling type zinc smelting furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1904095A CN1904095A (en) | 2007-01-31 |
| CN100404709C true CN100404709C (en) | 2008-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101012228A Expired - Fee Related CN100404709C (en) | 2006-06-28 | 2006-06-28 | Graphite beating belt fast cooling type zinc smelting furnace |
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| CN (1) | CN100404709C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009059489A1 (en) * | 2007-11-08 | 2009-05-14 | Kunming Diboo Technology Co., Ltd. | Continuous distilling vacuum oven |
| CN103614570B (en) * | 2013-12-04 | 2015-05-27 | 攀枝花钢城集团有限公司 | Device and method of producing zinc ingot by zinc sediment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19605532A1 (en) * | 1996-02-15 | 1997-08-21 | Wolfram S Ruff | Small dross heating and compaction unit |
| CN2695448Y (en) * | 2004-05-14 | 2005-04-27 | 朱建平 | Bottom collecting type zinc smelting furnace |
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2006
- 2006-06-28 CN CNB2006101012228A patent/CN100404709C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19605532A1 (en) * | 1996-02-15 | 1997-08-21 | Wolfram S Ruff | Small dross heating and compaction unit |
| CN2695448Y (en) * | 2004-05-14 | 2005-04-27 | 朱建平 | Bottom collecting type zinc smelting furnace |
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| CN1904095A (en) | 2007-01-31 |
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Granted publication date: 20080723 Termination date: 20130628 |