CN218764535U - Metal smelting furnace capable of improving heat utilization rate - Google Patents
Metal smelting furnace capable of improving heat utilization rate Download PDFInfo
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- CN218764535U CN218764535U CN202222942413.4U CN202222942413U CN218764535U CN 218764535 U CN218764535 U CN 218764535U CN 202222942413 U CN202222942413 U CN 202222942413U CN 218764535 U CN218764535 U CN 218764535U
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Abstract
The utility model provides an improve metal smelting furnace of heat utilization efficiency belongs to metal smelting furnace technical field to solve prior art because heat can not be fine rational utilization and distribution, consequently there is the problem that smelting furnace heat utilization efficiency is low. The method comprises the following steps: the crucible is covered with a preheating cover body, and the outer peripheral wall of the crucible and the inner peripheral wall of the combustion cover enclose a combustion chamber; the preheating cover body comprises an inner cover and an outer cover fixedly connected to the periphery of the inner cover, the inner cover and the outer cover form a preheating cavity, and an air pump communicated with the preheating cavity is arranged at the upper part of the outer cover; the air pump is used for pumping air into the preheating cavity to preheat the air, and the preheated air is conveyed into the combustion cavity through the pipeline structure; a plurality of gas nozzles are arranged in the combustion chamber and communicated with a gas tank.
Description
Technical Field
The utility model belongs to the technical field of metal smelting furnace, more specifically says, in particular to improve metal smelting furnace of heat utilization efficiency.
Background
Metal smelting is the process of changing a metal from a combined state to a free state. Also known as dry metallurgy, is a process in which the ore, together with the necessary additives, is heated in a furnace to a high temperature, melted into a liquid, and the desired chemical reaction is produced, thereby separating the crude metal for refining.
A large amount of energy is needed in the process of dry metallurgy, so that ores are heated to high temperature, and the problem of how to effectively improve the heat of smelting metal is solved by metal smelting.
For example, a non-ferrous metal smelting device with the publication number of CN109737741A comprises a working box, a feeding hole, a discharging hole, a motor and a controller; the feed inlet and the discharge outlet are both provided with electric valves; the motor is positioned at the top of the working box, and the output end of the motor penetrates through the top of the working box and extends into the working box; the inner part of the working box is provided with a crushing unit, a first filter plate is arranged below the crushing disc, a second filter plate is arranged below the first filter plate, the electromagnetic disc is positioned in the crushing disc, a gap is reserved between the electromagnetic disc and the crushing disc, and the outer surface of the electromagnetic disc and the inner part of the crushing disc are provided with a gap; one side of the smelting chamber is provided with a first air pipe, one end of the first air pipe is communicated with the smelting chamber, and the other end of the first air pipe is communicated with a closed space formed by the second filter plate and the working box; and a guide plate and a smelting chamber are arranged below the second filter plate. The invention well solves the problem of low smelting efficiency. But has a great disadvantage in heat utilization efficiency for serving as a solution.
Based on the search of the above patent and the discovery of the equipment in the prior art, the prior art still has the problem of low heat utilization rate of the smelting furnace.
In view of the above, the present invention provides a metal smelting furnace with improved heat utilization efficiency by improving the existing structure and defects, so as to achieve the purpose of higher practical value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an improve heat utilization rate's metal smelting stove to solve prior art because the heat can not be fine rational utilization and distribution, consequently there is the problem that smelting furnace heat utilization rate is low.
The utility model relates to a purpose and efficiency of improve metal smelting stove of heat utilization efficiency is reached by following concrete technological means:
a metal smelting furnace for increasing heat utilization rate, comprising:
the crucible is covered with a preheating cover body, and the outer peripheral wall of the crucible and the inner peripheral wall of the combustion cover enclose a combustion chamber;
the preheating cover body comprises an inner cover and an outer cover fixedly connected to the periphery of the inner cover, the inner cover and the outer cover form a preheating cavity, and an air pump communicated with the preheating cavity is arranged at the upper part of the outer cover;
the air pump is used for pumping air into the preheating cavity to preheat the air, and the preheated air is conveyed into the combustion cavity through the pipeline structure;
a plurality of gas nozzles are arranged in the combustion chamber and communicated with a gas tank.
Further, still include stirring mechanism, stirring mechanism includes argon gas jar, the valve of air inlet and argon gas jar intercommunication, the gas blow pipe that communicates with the valve gas outlet, the end of giving vent to anger of gas blow pipe sets up in the crucible bottom.
Furthermore, the gas blow pipe is inverted U-shaped, and the uppermost part of the gas blow pipe is higher than the height of the outer edge of the crucible.
Furthermore, the pipeline structure comprises a plurality of gas distribution pipelines arranged on the circumferential array of the peripheral wall of the combustion cover, a third communicating pipe with one end communicated with the gas distribution pipelines, a plurality of second communicating pipes with one ends communicated with the preheating cavity, and a second annular gas pipe communicated with the other ends of the second communicating pipes; the second annular air pipe is communicated with the air pump through a pipeline; the gas distribution pipeline comprises a plurality of first communicating pipes, a vertical pipe and a plurality of first annular gas pipes, one end of each first communicating pipe is communicated to the combustion chamber, the vertical pipe is communicated to the other end of each first communicating pipe, the first annular gas pipes are communicated with the plurality of vertical pipes, the third communicating pipes are communicated with the preheating cavity, and the lower ends of the vertical pipes are sealed.
Further, still include the inlet pipe, the inlet pipe lower extreme communicates to the cavity that inner cup and crucible enclose in, inlet pipe upper end fixedly connected with feeder hopper.
Further, the device also comprises a smoke exhaust pipe, and the lower end of the smoke exhaust pipe is communicated to a cavity which is formed by the inner cover and the crucible.
Furthermore, the ignition device also comprises a plurality of ignition needles which are arranged at the positions close to the gas nozzles.
Furthermore, the gas blowing pipe and the crucible are made of ceramics.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses in preheat the air that the lid was gone into to the air pump through setting up, air after preheating flows into to the combustion cover in, carries out co-combustion with gas jar spun gas, because the air has carried out preheating in advance, the air admission combustion chamber internal heat absorption reduces. Meanwhile, due to the increase of the structure of the combustion cover, the energy loss of air convection is reduced, and the heat utilization rate is further improved. Finally, the effect of efficiently utilizing the heat generated by fuel combustion is achieved.
Drawings
FIG. 1 is a schematic view of a partial cross-sectional structure of a metal smelting furnace of the present invention for improving heat utilization efficiency.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Fig. 3 is an enlarged schematic view of B in fig. 1.
FIG. 4 is a schematic view of the metal smelting furnace of the present invention for increasing the heat utilization rate.
FIG. 5 is a schematic view of the side view structure of the metal smelting furnace of the present invention for improving the heat utilization rate.
Fig. 6 is a schematic view of the metal smelting furnace of the present invention for improving heat utilization efficiency.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows: crucible 1, combustion cover 2, vertical pipe 21, first communicating pipe 22, first annular trachea 23, gas nozzle 24, ignition needle 25, combustion chamber 26, the lid of warming in advance 3, inner cup 31, enclosing cover 32, the cavity of warming in advance 33, second communicating pipe 34, second annular trachea 35, air pump 36, third communicating pipe 37, inlet pipe 4, feeder hopper 41, exhaust pipe 5, stirring mechanism 6, argon gas jar 61, valve 62, gas blow pipe 63, gas jar 7.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are provided to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment is as follows:
as shown in figures 1 to 6:
the utility model provides an improve metal smelting furnace of heat utilization efficiency, include:
the crucible furnace comprises a crucible 1 and a combustion cover 2 covering the outer peripheral wall of the crucible 1, wherein a preheating cover body 3 covers the upper part of the crucible 1, and a combustion chamber 26 is defined by the outer peripheral wall of the crucible 1 and the inner peripheral wall of the combustion cover 2;
the pre-heating cover body 3 comprises an inner cover 31 and an outer cover 32 fixedly connected to the periphery of the inner cover 31, the inner cover 31 and the outer cover 32 form a pre-heating cavity 33, and an air pump 36 communicated with the pre-heating cavity 33 is arranged at the upper part of the outer cover 32;
the pipeline structure is that the air pump 36 preheats the air pumped into the preheating cavity 33 and then conveys the air into the combustion chamber 26 through the pipeline structure;
a plurality of gas nozzles 24 are arranged in the combustion chamber 26, and the plurality of gas nozzles 24 are communicated with the gas tank 7.
In this embodiment, the air pumped into the air pump 36 is preheated by the pre-heating cover body 3, the preheated air flows into the combustion cover 2 and is mixed with the gas sprayed from the gas tank 7 for combustion, and the air is preheated in advance, so that the heat absorption of the air entering the combustion chamber is reduced. Meanwhile, due to the increase of the structure of the combustion cover 2, the energy loss of air convection is reduced, and the heat utilization rate is further improved.
The crucible stirring device further comprises a stirring mechanism 6, wherein the stirring mechanism 6 comprises an argon tank 61, a valve 62 with an air inlet communicated with the argon tank 61, and an air blowing pipe 63 with an air outlet communicated with the valve 62, and the air outlet end of the air blowing pipe 63 is arranged at the bottom of the crucible 1.
The stirring mechanism 6 releases argon gas through the argon gas tank 61, and the argon gas is sprayed out through the gas outlet of the gas blowing pipe 63 to blow gas to the molten mineral in the crucible 1, so that the stirring effect of the molten mineral is realized.
The gas blowing pipe 63 is in an inverted U shape, and the uppermost part of the gas blowing pipe 63 is higher than the height of the outer edge of the crucible 1.
Its setting of the style of calligraphy of falling U structure has guaranteed that gas gets into crucible 1 and preheats in advance, prevents that the temperature from crossing low and leading to the melting mineral to condense rapidly, simultaneously because the gas blow pipe 63 is the uppermost height that is higher than crucible 1 outer edge, has guaranteed that the melting mineral can not the water conservancy diversion to in the gas blow pipe 63.
The pipeline structure comprises a plurality of gas distribution pipelines arranged in a circumferential array on the outer peripheral wall of the combustion cover 2, a third communicating pipe 37 with one end communicated with the gas distribution pipelines, a plurality of second communicating pipes 34 with one ends communicated with the preheating cavity 33, and a second annular gas pipe 35 communicated with the other ends of the plurality of second communicating pipes 34; the second annular air pipe 35 is communicated with an air pump 36 through a pipeline; the gas distribution pipeline comprises a plurality of first communicating pipes 22, a vertical pipe 21 and a first annular gas pipe 23, wherein one end of each first communicating pipe 22 is communicated with the combustion chamber 26, the vertical pipe 21 is communicated with the other end of each first communicating pipe 22, the first annular gas pipe 23 is communicated with the plurality of vertical pipes 21, a third communicating pipe 37 is communicated with the preheating cavity 33, and the lower ends of the vertical pipes 21 are sealed.
The combustion cover 2 covers the crucible 1, and air convection of the combustion chamber 26 is reduced, so that rapid heat dissipation is caused. The plurality of first communication pipes 22 are arranged to uniformly distribute the preheated air in the combustion chamber 26, so that the combustion effect is uniform at each position of the combustion chamber 26.
The crucible device is characterized by further comprising a feeding pipe 4, the lower end of the feeding pipe 4 is communicated to a cavity formed by the inner cover 31 and the crucible 1, and the upper end of the feeding pipe 4 is fixedly connected with a feeding hopper 41.
Wherein the feed pipe 4 can facilitate the addition of additives to the molten mineral.
The crucible pot further comprises a smoke exhaust pipe 5, and the lower end of the smoke exhaust pipe 5 is communicated into a cavity formed by the inner cover 31 and the crucible pot 1. Wherein the smoke exhaust pipe 5 is convenient for exhausting the impurity gas in the chamber.
The ignition device also comprises a plurality of ignition needles 25, and the ignition needles 25 are arranged at the positions close to the gas nozzles 24.
The ignition needle 25 is electrically connected with a piezoelectric igniter, and provides instantaneous high-voltage current for the ignition needle 25 to ignite, so that the mixture of gas and air sprayed from the gas nozzle 24 is ignited.
The gas blowing pipe 63 and the crucible 1 are made of ceramics.
The ceramic has high-temperature resistance and cannot be melted at the temperature of most metals during smelting.
The specific use mode and function of the embodiment are as follows:
the utility model discloses when using, the air pump 36 is gone into the air pump and is preheated in the cavity 33, through preheating of cavity 33 in advance, gas is through the pipeline structure, flow in combustion chamber 26, meanwhile, open gas tank 7, gas mouth 24 blowout in gas tank 7's the gas, mix with the air that preheats, afterwards, piezoelectric ignition ware starts, ignition needle 25 produces high-voltage current, ignite and preheat the gas that the air mixes, heat the mineral in crucible 1, afterwards, can follow feeder hopper 41 and add the additive according to the circumstances, the foreign gas of production is discharged from tub 5 of discharging fume.
During the stirring process, the mineral is in a molten state, the valve 62 is opened, the argon gas in the argon tank 61 passes through the gas blowing pipe 63 and is sprayed out from the outlet of the gas blowing pipe 63, and the gas argon gas enters the molten mineral, so that the molten mineral is stirred.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The utility model provides an improve metal smelting furnace of heat utilization efficiency which characterized in that: the method comprises the following steps:
the crucible comprises a crucible (1) and a combustion cover (2) covering the outer peripheral wall of the crucible (1), wherein a preheating cover body (3) covers the upper part of the crucible (1), and a combustion chamber (26) is enclosed by the outer peripheral wall of the crucible (1) and the inner peripheral wall of the combustion cover (2);
the pre-heating cover body (3) comprises an inner cover (31) and an outer cover (32) fixedly connected to the periphery of the inner cover (31), the inner cover (31) and the outer cover (32) form a pre-heating cavity (33), and an air pump (36) communicated with the pre-heating cavity (33) is arranged at the upper part of the outer cover (32);
the air pump (36) preheats the air pumped into the preheating cavity (33) and then conveys the preheated air into the combustion chamber (26) through the pipeline structure;
a plurality of gas nozzles (24) are arranged in the combustion chamber (26), and the gas nozzles (24) are communicated with the gas tank (7).
2. A metal smelting furnace for increasing heat utilization rate according to claim 1, wherein: the crucible stirring device is characterized by further comprising a stirring mechanism (6), wherein the stirring mechanism (6) comprises an argon tank (61), a valve (62) with an air inlet communicated with the argon tank (61), and a gas blowing pipe (63) with an air outlet communicated with the valve (62), and an air outlet end of the gas blowing pipe (63) is arranged at the bottom of the crucible (1).
3. A metal smelting furnace for increasing heat utilization rate according to claim 2, wherein: the gas blowing pipe (63) is inverted U-shaped, and the uppermost part of the gas blowing pipe (63) is higher than the height of the outer edge of the crucible (1).
4. A metal smelting furnace for increasing heat utilization rate according to any one of claims 1 to 3, wherein: the pipeline structure comprises a plurality of gas distribution pipelines arranged on the circumferential array of the outer peripheral wall of the combustion cover (2), a third communicating pipe (37) with one end communicated with the gas distribution pipelines, a plurality of second communicating pipes (34) with one ends communicated with the preheating cavity (33), and a second annular gas pipe (35) communicated with the other ends of the second communicating pipes (34); the second annular air pipe (35) is communicated with the air pump (36) through a pipeline; the gas distribution pipeline comprises a plurality of first communicating pipes (22) with one ends communicated to the combustion chamber (26), a vertical pipe (21) communicated to the other ends of the first communicating pipes (22), and a plurality of first annular gas pipes (23) communicated with the vertical pipe (21), the third communicating pipe (37) is communicated with the preheating cavity (33), and the lower ends of the vertical pipes (21) are sealed.
5. A metal smelting furnace for increasing heat utilization rate according to claim 1, wherein: still include inlet pipe (4), inlet pipe (4) lower extreme intercommunication is to in inner cup (31) and the cavity that crucible (1) enclosed, inlet pipe (4) upper end fixedly connected with feeder hopper (41).
6. A metal smelting furnace for increasing heat utilization rate according to claim 1, wherein: the crucible pot further comprises a smoke exhaust pipe (5), and the lower end of the smoke exhaust pipe (5) is communicated into a cavity formed by the inner cover (31) and the crucible pot (1).
7. A metal smelting furnace for increasing heat utilization rate according to claim 1, wherein: the ignition device further comprises a plurality of ignition needles (25), and the ignition needles (25) are arranged at positions close to the gas nozzles (24).
8. A metal smelting furnace for increasing heat utilization rate according to claim 2 or 3, wherein: the gas blowing pipe (63) and the crucible (1) are made of ceramics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222942413.4U CN218764535U (en) | 2022-11-05 | 2022-11-05 | Metal smelting furnace capable of improving heat utilization rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222942413.4U CN218764535U (en) | 2022-11-05 | 2022-11-05 | Metal smelting furnace capable of improving heat utilization rate |
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| Publication Number | Publication Date |
|---|---|
| CN218764535U true CN218764535U (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222942413.4U Active CN218764535U (en) | 2022-11-05 | 2022-11-05 | Metal smelting furnace capable of improving heat utilization rate |
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|---|---|
| CN (1) | CN218764535U (en) |
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2022
- 2022-11-05 CN CN202222942413.4U patent/CN218764535U/en active Active
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