CN211451821U - Non-ferrous metal melting furnace - Google Patents
Non-ferrous metal melting furnace Download PDFInfo
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- CN211451821U CN211451821U CN201921595071.5U CN201921595071U CN211451821U CN 211451821 U CN211451821 U CN 211451821U CN 201921595071 U CN201921595071 U CN 201921595071U CN 211451821 U CN211451821 U CN 211451821U
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Abstract
The utility model provides a non ferrous metal melting furnace, including furnace body, crucible, gravity sensor, temperature measurement sensor and controller, wherein the crucible is the smooth fusiformis structure in both ends, and the crucible bottom is sealed, open-top, and the crucible lateral surface twines several circles electric heating wire along the circumferencial direction, and a gravity sensor is installed to the crucible bottom with between the furnace body bottom, is used for the quality of non ferrous metal material in the real-time supervision crucible, and crucible upper end inner wall has a temperature measurement sensor in addition, is used for the temperature of material in the real-time supervision crucible non ferrous metal, the utility model discloses a non ferrous metal melting furnace not only can the temperature and the quality of non ferrous material in the real-time supervision crucible, can also effectual energy saving, the loss of manpower and.
Description
Technical Field
The utility model relates to a melting furnace, concretely relates to non ferrous metal melting furnace.
Background
In industrial production, most of melting furnaces for nonferrous materials use coal, oil or gas as fuel. Such melting furnaces often include a furnace shell, a furnace lining, a hearth, and an air duct made of refractory material; and a blower, an exhaust fan, an exhaust chimney and the like are also arranged. Putting the nonferrous metal to be melted into a special crucible, and then putting the crucible into a hearth; igniting fuel, starting a fan, and continuously increasing the temperature of the hearth; until the non-ferrous metal in the crucible is completely melted. These melting furnaces are complicated in structure and high in construction cost, and also generate waste residues and waste gases by burning coal, oil and other fuels, the waste residues require treatment facilities and sites, and the waste residues and waste gases cause environmental pollution. Moreover, operators at high temperature observe the melting degree of nonferrous metals, and the high-temperature crucible is difficult to take out from the hearth; high temperature operations can also affect the health of the operator.
The crucible furnace is a device for melting metal commonly used in the metallurgical industry, and the metal (such as aluminum, magnesium, lead, tin, brass, red copper, iron alloy and the like) added into the crucible furnace is melted for standby application under the heating of coal, gas, coke or electric energy, but the crucible furnace in the prior art, particularly the crucible furnace heated by mixing coal powder or coal powder and fuel oil, has low heating efficiency and large energy consumption.
Chinese patent CN2828699 discloses an energy-saving aluminum melting furnace, the structure of which includes a furnace body, an aluminum melting crucible, a furnace wall flue, a discharge flue and a burner, an external air preheater fixed on the right upper side of the furnace body by a fixing plate, which is composed of three concentric circles, the innermost circle is the discharge flue, the two outer concentric circles are an outer interlayer and an inner interlayer, which are channels for preheating air, the lower part of the outer interlayer is provided with a cold air inlet, the upper part of the outer interlayer is provided with a space communicated with the inner interlayer, the lower part of the inner interlayer is provided with an external air preheater outlet pipe; an internal air preheater consisting of two parallel annular pipelines is arranged in the furnace wall flue, an inlet pipe of the internal air preheater is connected with an outlet pipe of the external air preheater, and an outlet pipe of the internal air preheater is arranged at the lower part of the internal air preheater; be equipped with a cyclone generator on the combustor outlet pipe, inside air heater outlet pipe links to each other with the cyclone generator entry, links to each other with four parallelly connected become the whirlwind water conservancy diversion passageways that spiral winding on the combustor outlet pipe again, and the whirlwind water conservancy diversion passageway export is established at combustor exit tube end, and there is a space cyclone generator front end: an insulating cover plate is arranged above the aluminum melting crucible.
When the aluminum melting furnace is used for melting the aluminum of the whole ingot, the bottom of the crucible is in good contact with the aluminum ingot, and the aluminum can be melted quickly, so that energy is saved, but the aluminum which needs to be melted generally is broken aluminum or aluminum with irregular shapes, a large gap is inevitably formed between the aluminum and the bottom of the crucible, the contact surface is very small, and the energy-saving aluminum melting furnace is mainly used for heating the aluminum by virtue of the crucible, so that the heating effect is not ideal, and a large amount of energy is wasted.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the invention provides an energy-saving non-ferrous metal melting furnace, which has the innovation points that: the nonferrous metal melting furnace can monitor the quality and the temperature of the nonferrous metal in the crucible in real time, adopts the electric heating wire to add, heats more fully, melts more thoroughly, can effectively save energy and manpower and material resources,
the utility model provides a pair of non ferrous metal melting furnace, including furnace body and crucible, place in the furnace body in the crucible, its characterized in that: the crucible is the smooth fusiform structure in both ends, the crucible bottom is sealed, open-top, several rings of electric heating wire of winding are followed to the crucible lateral surface, fixed mounting has a weighing sensor between crucible bottom and the furnace body, fixed mounting has a controller on the furnace body outer wall, weighing sensor passes through the wire and is connected with the controller, fixed mounting has a temperature sensor on the inner wall of crucible upper end, temperature sensor passes through the wire and is connected with the controller, the furnace body top is still lapped, the apron lid closes crucible mouth top.
Furthermore, the temperature sensor comprises a temperature thermocouple, a fixing sleeve and a fixing nut, the temperature thermocouple is arranged in the fixing sleeve, and then the fixing sleeve and the temperature thermocouple are fixedly arranged above the side wall of the crucible through the nut.
Furthermore, the distance between the temperature measuring sensor and the crucible opening is 2-3 mm.
Furthermore, the temperature thermocouple is one of an S-type thermocouple, an R-type thermocouple, a B-type thermocouple, a K-type thermocouple, a T-type thermocouple, a J-type thermocouple, an N-type thermocouple and an E-type thermocouple.
Furthermore, the cover plate is circular or polygonal, and the diameter of the cover plate is larger than the caliber of the opening at the top end of the crucible.
Furthermore, the cover plate can move horizontally to expose the opening at the top end of the crucible and is arranged at the upper end of the furnace body.
Furthermore, fireproof heat insulation materials are filled between the crucible and the furnace body.
Further, the electric heating wire is wound around the crucible for 3-6 circles.
Further, the cross section of the crucible is circular, and the crucible is made of graphite.
Furthermore, a smoke outlet is formed in the cover plate.
The utility model has the advantages that:
1. the utility model discloses a crucible is the smooth fusiformis structure in both ends, the crucible bottom is sealed, open-top, the utility model discloses a crucible is the fusiformis structure, is heated more evenly, and the crucible opening bore is little, and the heat dissipation reduces.
2. The utility model discloses fixed mounting has a weighing sensor between crucible bottom and furnace body, and this gravity sensor passes through the wire with the controller and is connected, and the staff can real time monitoring throw the weight of the material of throwing to conveniently set up corresponding temperature and melt.
3. The utility model discloses fixed mounting has a temperature sensor on the inner wall of crucible upper end, temperature sensor passes through the wire and is connected with the controller, the molten temperature of non ferrous metal in can the real time monitoring crucible to in time close joining device, energy saving according to the melting point of different metals.
4. The utility model discloses direct winding electric heating wire on the crucible body, rate of heating is faster, and heat conduction speed is accelerated, can melt the same non ferrous metal in shorter time, further the energy saving.
Drawings
FIG. 1 is a schematic view of a non-ferrous metal melting furnace according to the present invention;
fig. 2 is a schematic structural diagram of the temperature measuring sensor of the present invention.
1-a temperature measuring sensor; 2-cover plate; 3-an electric heating wire; 4-a crucible; 5-furnace body; 6-a weighing sensor; 7-a controller; 8-temperature thermocouple; 9-fixing a sleeve; and 10, fixing the nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the utility model provides a pair of non ferrous metal melting furnace, including furnace body 5 and the crucible 4 that is used for holding non ferrous metal, place in the furnace body 5 in the crucible 4, its innovation point lies in: crucible 4 is the smooth fusiformis structure in both ends, 4 bottoms of crucible are sealed, open-top, 4 lateral surfaces of crucible twine several rings of electric heating wire 3 along the circumferencial direction, so design makes non ferrous metal be heated more evenly at the heating melting time, and 4 opening bores of crucible are little, and the heat dissipation reduces, directly twines electric heating wire 3 on 4 physically of crucible, and rate of heating is faster, and heat conduction speed accelerates, can melt the same non ferrous metal in shorter time, further the energy saving. Wherein a weighing sensor 6 is fixedly installed between the bottom of the crucible 4 and the furnace body 5, a controller 7 is fixedly installed on the outer wall of the furnace body 5, the weighing sensor 6 is connected with the controller 7 through a wire, and a worker can monitor the weight of the added material in real time, so that the corresponding temperature can be conveniently set for melting. Wherein fixed mounting has a temperature sensor 1 on the inner wall of crucible 4 upper end, temperature sensor 1 passes through the wire and is connected with controller 7, 5 tops in addition of furnace body have a apron 2, 2 lids of apron are closed 4 mouthful of tops of crucible can real time monitoring crucible 4 interior non ferrous metal melting's temperature to in time close joining device according to the melting point of different metals, the energy saving.
As shown in fig. 2 the utility model discloses a temperature sensor 1 includes temperature thermocouple 8, fixed cover 9 and fixation nut 10, temperature thermocouple 8 installs in the inside of fixed cover 9, then will fix cover 9 and temperature thermocouple 8 fixed mounting through the nut 4 lateral wall tops of crucible, temperature sensor 1 is 2 ~ 3mm apart from 4 mouthful distances of crucible.
Any one of an S-type thermocouple, an R-type thermocouple, a B-type thermocouple, a K-type thermocouple, a T-type thermocouple, a J-type thermocouple, an N-type thermocouple and an E-type thermocouple can be selected according to actual operation requirements by using the novel temperature thermocouple 8.
The utility model discloses an apron 2 is circular or polygon, the diameter of apron 2 is greater than 4 open-top's bores of crucible, but apron 2 horizontal migration expose 4 open-top settings of crucible and be in the upper end of furnace body 5, the staff can push away apron 2 and put in metal material when putting in metal material, when the quality of material is thrown and is put required quality, stops to throw and adds, covers apron 2, carries out melting of non ferrous metal.
The utility model discloses a non ferrous metal melting furnace can fill fire prevention thermal insulation material between crucible 4 and furnace body 5, can effectually prevent thermal scattering and disappearing in crucible 4, and the non ferrous metal in the better melting crucible 4 further saves the resource.
The utility model discloses a non ferrous metal melts furnace's electric heating wire 3 winding crucible 4 twines 3 ~ 6 circles, can adjust winding heater strip number of turns according to the melting point of different non ferrous metals, and the melting point is lower, and winding heater strip number of turns is less, and the melting point is higher, and winding heater strip number of turns is more.
The cross section of the crucible 4 of the non-ferrous metal melting furnace is circular, and the crucible is made of graphite which has good heat transfer effect.
Utility model's non ferrous metal melts and has seted up a flue gas export on apron 2 of stove, gaseous discharge when being favorable to the metal heating can not produce danger.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a non ferrous metal melting furnace, includes furnace body and crucible, place its characterized in that in the furnace body in the crucible: the crucible is the smooth fusiform structure in both ends, the crucible bottom is sealed, open-top, several rings of electric heating wire of winding are followed to the crucible lateral surface, fixed mounting has a weighing sensor between crucible bottom and the furnace body, fixed mounting has a controller on the furnace body outer wall, weighing sensor passes through the wire and is connected with the controller, fixed mounting has a temperature sensor on the inner wall of crucible upper end, temperature sensor passes through the wire and is connected with the controller, the furnace body top is still lapped, the apron lid closes crucible mouth top.
2. A non-ferrous metal melting furnace as claimed in claim 1, wherein: the temperature sensor comprises a temperature thermocouple, a fixing sleeve and a fixing nut, the temperature thermocouple is arranged in the fixing sleeve, and then the fixing sleeve and the temperature thermocouple are fixedly arranged above the side wall of the crucible through the nut.
3. A non-ferrous metal melting furnace according to any one of claims 1 or 2, characterized by: the distance between the temperature measuring sensor and the crucible opening is 2-3 mm.
4. A non-ferrous metal melting furnace as claimed in claim 2, wherein: the temperature thermocouple is one of an S-type thermocouple, an R-type thermocouple, a B-type thermocouple, a K-type thermocouple, a T-type thermocouple, a J-type thermocouple, an N-type thermocouple and an E-type thermocouple.
5. A non-ferrous metal melting furnace as claimed in claim 1, wherein: the cover plate is circular or polygonal, and the diameter of the cover plate is larger than the caliber of the opening at the top end of the crucible.
6. A non-ferrous metal melting furnace as claimed in claim 5, wherein: the cover plate can move horizontally to expose the opening at the top end of the crucible and is arranged at the upper end of the furnace body.
7. A non-ferrous metal melting furnace as claimed in claim 1, wherein: and fireproof heat insulation materials are filled between the crucible and the furnace body.
8. A non-ferrous metal melting furnace as claimed in claim 1, wherein: the electric heating wire is wound around the crucible for 3-6 circles.
9. A non-ferrous metal melting furnace as claimed in claim 1, wherein: the cross section of the crucible is circular and is made of graphite.
10. A non-ferrous metal melting furnace according to any one of claims 1 or 5, characterized by: the cover plate is provided with a smoke outlet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822228867 | 2018-12-28 | ||
| CN2018222288679 | 2018-12-28 |
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| Publication Number | Publication Date |
|---|---|
| CN211451821U true CN211451821U (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921595071.5U Active CN211451821U (en) | 2018-12-28 | 2019-09-24 | Non-ferrous metal melting furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112985058A (en) * | 2021-03-08 | 2021-06-18 | 重庆国际复合材料股份有限公司 | Rotary casting composite crucible |
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2019
- 2019-09-24 CN CN201921595071.5U patent/CN211451821U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112985058A (en) * | 2021-03-08 | 2021-06-18 | 重庆国际复合材料股份有限公司 | Rotary casting composite crucible |
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