CN203772025U - Radiant tube arranged on dipping-type aluminum alloy melting holding furnace - Google Patents
Radiant tube arranged on dipping-type aluminum alloy melting holding furnace Download PDFInfo
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- CN203772025U CN203772025U CN201420046971.5U CN201420046971U CN203772025U CN 203772025 U CN203772025 U CN 203772025U CN 201420046971 U CN201420046971 U CN 201420046971U CN 203772025 U CN203772025 U CN 203772025U
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- ceramic component
- radiant tube
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Abstract
The utility model relates to a radiant tube arranged on a dipping-type aluminum alloy melting holding furnace. The radiant tube comprises an inner core and an outer tube body, wherein the inner core comprises a ceramic assembly, a resistance wire, a guide-out rod and a central connecting rod, the ceramic assembly comprises a ceramic component A, a ceramic component B, a ceramic component C, a ceramic component D and a ceramic component E, the ceramic component D is arranged on the ceramic component C in a penetrating mode, the central connecting rod is arranged on the ceramic component C in a penetrating mode and penetrates through the ceramic component B to be fixed to the ceramic component B, the central connecting rod is provided with an extending part, the extending part is fixed on the ceramic component A, one end of the guide-out rod penetrates through the ceramic component A and extends to the side of the ceramic component A, the other end of the guide-out rod is arranged in the ceramic component B in a penetrating mode, the resistance wire is wound on the ceramic component D, and the ceramic component E is arranged on the outer side of the central connecting rod. The radiant tube can guarantee sealing of a furnace cover, oxidization of molten aluminum can be suppressed, oxidization burning loss of aluminum can be reduced, energy is saved, maintaining workloads are reduced, the service life of the melting furnace is prolonged, and damaged components can be replaced conveniently.
Description
Technical field
The utility model relates to a kind of impregnated aluminium alloy that is configured in and melts the radiant tube on holding furnace.
Background technology
The impregnated electric smelting solution holding furnace of holding concurrently mainly relies on two powerful impregnated heaters to the melting of furnace charge, but, when too much furnace charge in disposable input stove causes temperature of aluminum liquid in stove to decline rapidly or when some special circumstances causes that temperature of aluminum liquid declines to a great extent, control system can automatically open three radiant tubes on bell as auxiliary heating to improve the intensification ability to aluminium liquid.
Due to impregnated heater only in stove the liquid level of aluminium liquid exceed more than its installation site 50mm unlatching operation that could safety, otherwise can dipping heater be damaged so that be damaged.And when smelting furnace is used to (or cooling empty stove) for the first time, in order to carry out baker by the heating curve of its requirement the service life that ensures burner hearth castable, dipping heater cannot start operation in the time of empty stove, now must complete baker by three radiant tubes on bell, and if do not have other equipment to provide mother liquor for smelting furnace, the power of three radiant tubes also must be able to the ability of melting batch.After baker finishes, if there are other smelting furnaces that mother liquor can be provided, after the liquid level of the aluminium liquid in stove exceedes home, could start to flood heater continues furnace charge to melt, and do not have other smelting furnaces that mother liquor can be provided, but must the carrying out slowly of the furnace charge in input stove be heated up and be melted by three radiant tubes, could open impregnated heater until aluminium liquid liquid level reaches safety depth.
Test the melting capacity to furnace charge when three radiant tube general powers of this type of furnace must reach 21KW and just can possess sky stove above by reality.And conventional upper radiant type heating element heater, as adopt conventional large string diameter radiant tube or Elema, because its resistivity is less, in order to make the surface loading of heater element be no more than its setting, and ensureing the normal service life of heater element, the application on heating furnace all must move in the mode of large electric current after step-down.
Consider impregnated electric smelting solution hold concurrently device characteristics and the service condition of holding furnace, the supply voltage of radiant tube must identical with impregnated heater (being rated voltage 380V).And adopt conventional radiant tube the isolated of chamber and outside air of cannot accomplishing to heat up, cannot suppress the oxidation of aluminium liquid, increased the oxidization burning loss of aluminium in heating process, increased the workload of equipment maintenance and reduced smelting furnace service life.
Summary of the invention
The utility model is for prior art deficiency, a kind of sealing that can guarantee bell is provided, in the time that radiant tube starts heating, inhibitory action has been played in oxidation to aluminium liquid, reduce the oxidization burning loss of aluminium in heating process, there is certain energy-saving effect, the workload of the equipment maintenance simultaneously also alleviating and improved smelting furnace service life, and assembly is changed while damaging and is configured in easily impregnated aluminium alloy and melts the radiant tube on holding furnace.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
A kind of impregnated aluminium alloy that is configured in melts the radiant tube on holding furnace, comprise inner core and outer tube, described inner core comprises ceramic component, resistance wire, leading-off rods and center connecting rod, described ceramic component comprises ceramic component A, several ceramic components B, several ceramic components C, several ceramic components D and several ceramic components E, on described ceramic component C, offer one number service hole and No. two through holes, described ceramic component D is through described one number service hole and be located in described in several on ceramic component C, described center connecting rod is through described No. two through holes and be located in described in several on ceramic component C, on described ceramic component B, offer No. three through holes and No. four through holes, connecting rod two ends, described center are respectively through described No. four through holes on different described ceramic component B, and one end is fixed on described in first on ceramic component B by nut, the other end is through second described ceramic component B and extend to form extension to this side, described extension is through described ceramic component A and be fixed on described ceramic component A mono-side by nut, extend through described ceramic component A and to this side described leading-off rods one end, the described leading-off rods other end is located in described No. three through holes, described resistance wire is wrapped on described ceramic component D, the arranged outside of described center connecting rod has ceramic component E.Adopt the radiant tube of this structure, can guarantee the sealing of bell, accomplish the isolated of chamber and outside air of heating up, because this radiant tube is made up of heating inner core and two assemblies of heat-resistance stainless steel outer tube, heat-resistance stainless steel outer tube can reach more than 2 years service life, and heating inner core needs only binding post is disassembled while damage, even also can very easily heating inner core be carried out to quick-replaceable in the time of high temperature, and can not affect the normal work of smelting furnace, more can not affect the normal production of die casting.
In technique scheme, described extension is through the 3rd described ceramic component B and continue extension until pass described ceramic component A and be fixed on described ceramic component A mono-side by nut.By fixing to leading-off rods and center connecting rod more firm.
In technique scheme, be provided with the resistance wire of six roots of sensation series connection, and every described resistance wire to be wrapped in described ceramic component D upper, every is wound around on described ceramic component D and is wound with 113 circle resistance wires.The power that ensures every radiant tube reaches 7kw.
In technique scheme, one end that described leading-off rods extends described ceramic component A is provided with the nut that connects use.The nut at this place plays connection function, and convenient and miscellaneous part interconnects.
The utility model compared with prior art, has following beneficial effect:
The utility model can be guaranteed the sealing of bell, accomplish the isolated of chamber and outside air of heating up, in the time that radiant tube starts heating, inhibitory action has been played in oxidation to aluminium liquid, reduce the oxidization burning loss of aluminium in heating process, there is certain energy-saving effect, the workload of the equipment maintenance simultaneously also alleviating and improved smelting furnace service life.Radiant tube forms by heating two assemblies of inner core and heat-resistance stainless steel outer tube, heating inner core needs only binding post is disassembled while damage, even also can very easily heating inner core be carried out to quick-replaceable in the time of high temperature, and can not affect the normal work of smelting furnace, more can not affect the normal production of die casting, convenient disassembly.
Brief description of the drawings
Fig. 1 is the utility model schematic diagram.
Fig. 2 is the utility model inner core schematic diagram.
Fig. 3 is the utility model outer tube schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail:
Referring to Fig. 1-Fig. 3, a kind of impregnated aluminium alloy that is configured in melts the radiant tube on holding furnace, comprises inner core 1 and outer tube 2, and described inner core 1 comprises ceramic component, resistance wire 12, leading-off rods 13He center connecting rod 14, and ceramic component is refractory ceramics assembly.Described ceramic component comprises ceramic component A3, several ceramic components B4, several ceramic components C5, several ceramic components D6 and several ceramic components E7.
On described ceramic component C5, offer one number service hole 51 and No. two through holes 52, described ceramic component D6 is through described one number service hole 51 and to be located in described in several ceramic component C5 upper, and described center connecting rod 14 is through described No. two through holes 52 and be located in described in several on ceramic component C5.
On described ceramic component B4, offer No. three through holes 41 and No. four through holes 42, connecting rod 14 two ends, described center are respectively through described No. four through holes 42 on different described ceramic component B4, and one end is fixed on described in first on ceramic component B4 by nut, the other end is through second described ceramic component B4 and extend to form extension 8 to this side, and described extension 8 is through the 3rd described ceramic component B4 and continue extension until pass described ceramic component A3 and be fixed on described ceramic component A3 mono-side by nut.Extend through described ceramic component A3 and to this side described leading-off rods 13 one end, and described leading-off rods 13 other ends are located in described No. three through holes 41.
Described resistance wire 12 is wrapped on described ceramic component D6, be provided with the resistance wire 12 of six roots of sensation series connection, ceramic component D6 diameter is 16mm, resistance wire wrapping wire spacing is 3.5mm, wrapping wire central diameter is 21.5mm, and winding length is 795mm, single can circle around approximately 113, length is about 7.628 meters, and every radiant tube heating wire overall length is about 45.9 meters.Heating wire resistivity is pressed 0.2051 ohm every meter of 1.45() calculate, single radiant tube resistance is 6.92 ohm, and Practical Calculation power is 6.99kw, and surface loading is 1.38w/cm2.
That a part of arranged outside that described center connecting rod 14 is positioned at the scope of described ceramic component C5 setting has ceramic component E7.
One end that described leading-off rods extends described ceramic component A3 is provided with the nut that connects use.The nut at this place plays connection function, and convenient and miscellaneous part interconnects.
Three radiant tubes adopt star without zero connection, line voltage 380v(phase voltage 220v), radiant tube adopts the welded pipe of 2520 material wall thickness 4mm as overcoat, 850 DEG C of this radiant tube work maximum temperatures.Radiant tube perforate is butt welded seam just, must be weld seam upward when installation.
Adopt the radiant tube of this structure, can guarantee the sealing of bell, accomplish the isolated of chamber and outside air of heating up, because this radiant tube is made up of heating inner core and two assemblies of heat-resistance stainless steel outer tube, heat-resistance stainless steel outer tube can reach more than 2 years service life, and heating inner core needs only binding post is disassembled while damage, even also can very easily heating inner core be carried out to quick-replaceable in the time of high temperature, and can not affect the normal work of smelting furnace, more can not affect the normal production of die casting.
Claims (4)
1. the radiant tube being configured on impregnated aluminium alloy melting holding furnace, it is characterized in that: comprise inner core (1) and outer tube (2), described inner core (1) comprises ceramic component, resistance wire (12), leading-off rods (13) and center connecting rod (14), described ceramic component comprises ceramic component A(3), several ceramic components B(4), several ceramic components C(5), several ceramic components D(6) and several ceramic components E(7), described ceramic component C(5) on offer one number service hole (51) and No. two through holes (52), described ceramic component D(6) through described one number service hole (51) and be located in ceramic component C(5 described in several) on, described center connecting rod (14) is through described No. two through holes (52) and be located in ceramic component C(5 described in several) on, described ceramic component B(4) on offer No. three through holes (41) and No. four through holes (42), described center connecting rod (14) two ends are respectively through different described ceramic component B(4) on described No. four through holes (42), and one end is fixed on ceramic component B(4 described in first by nut) on, the other end is through second described ceramic component B(4) and extend to form extension (8) to this side, described extension (8) is through described ceramic component A(3) and be fixed on described ceramic component A(3 by nut) side, described leading-off rods (13) one end is through described ceramic component A(3) and extend to this side, described leading-off rods (13) other end is located in described No. three through holes (41), described resistance wire (12) is wrapped in described ceramic component D(6) on, the arranged outside of described center connecting rod (14) has ceramic component E(7).
2. a kind of impregnated aluminium alloy that is configured in as claimed in claim 1 melts the radiant tube on holding furnace, it is characterized in that: described extension (8) is through the 3rd described ceramic component B(4) and continue to extend until through described ceramic component A(3) and be fixed on described ceramic component A(3 by nut) side.
3. a kind of impregnated aluminium alloy that is configured in as claimed in claim 1 melts the radiant tube on holding furnace, it is characterized in that: the resistance wire (12) that is provided with six roots of sensation series connection, and every described resistance wire (12) is wrapped in described ceramic component D(6) upper, every is wound around described ceramic component D(6) on be wound with 113 circle resistance wires.
4. a kind of impregnated aluminium alloy that is configured in as claimed in claim 1 melts the radiant tube on holding furnace, it is characterized in that: described leading-off rods (13) extends described ceramic component A(3) one end be provided with the nut that connects use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420046971.5U CN203772025U (en) | 2014-01-24 | 2014-01-24 | Radiant tube arranged on dipping-type aluminum alloy melting holding furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420046971.5U CN203772025U (en) | 2014-01-24 | 2014-01-24 | Radiant tube arranged on dipping-type aluminum alloy melting holding furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203772025U true CN203772025U (en) | 2014-08-13 |
Family
ID=51289210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420046971.5U Expired - Fee Related CN203772025U (en) | 2014-01-24 | 2014-01-24 | Radiant tube arranged on dipping-type aluminum alloy melting holding furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203772025U (en) |
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2014
- 2014-01-24 CN CN201420046971.5U patent/CN203772025U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO JIANGBEI XIECHENG INDUSTRIAL FURNACE MANUFA Free format text: FORMER OWNER: NINGBO IKD DIE CASTING CO. LTD. Effective date: 20150630 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150630 Address after: 315033 No. 588 Jin Shan Road, Jiangbei District, Zhejiang, Ningbo Patentee after: Ningbo Jiangbei Xiecheng Industrial Furnace Manufacturing Co.,Ltd. Address before: 315033 No. 588 Jin Shan Road, C District, Jiangbei Investment Industrial Zone, Zhejiang, Ningbo Patentee before: NINGBO IKD DIE CASTING Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20220124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |