CN215063650U - Waste gas recycling, energy-saving and environment-friendly metal melting furnace device - Google Patents
Waste gas recycling, energy-saving and environment-friendly metal melting furnace device Download PDFInfo
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- CN215063650U CN215063650U CN202120309990.2U CN202120309990U CN215063650U CN 215063650 U CN215063650 U CN 215063650U CN 202120309990 U CN202120309990 U CN 202120309990U CN 215063650 U CN215063650 U CN 215063650U
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Abstract
The utility model provides a waste gas recycling, energy-saving and environment-friendly metal melting furnace device, which comprises a melting furnace, a metal preheating tunnel furnace, a first lifting machine and a dust remover, wherein a first waste gas recovery pipeline arranged in the melting furnace is communicated with an outlet of the metal preheating tunnel furnace, the other end of the metal preheating tunnel furnace is communicated with the dust remover, and the first lifting machine is connected with an inlet of the metal preheating tunnel furnace; the metal preheating tunnel furnace is characterized in that a transverse conveying belt is arranged in the metal preheating tunnel furnace, metal raw materials are placed on the transverse conveying belt in a stacked mode, a plurality of heat-resistant wind shielding curtains are arranged above the interior of the metal preheating tunnel furnace, and the lower end of each heat-resistant wind shielding curtain is slightly higher than the height of the metal raw materials placed in the stacked mode. The utility model can recycle the heat of high-temperature waste gas and preheat the metal raw material, thereby improving the melting speed and reducing the energy consumption; can reduce the temperature of the discharged waste gas, reduce the atmospheric heat effect, and can also improve the service life and the filtering effect of the dust remover.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a metal melting furnace device with the advantages of waste gas recycling, energy saving and environmental protection.
[ background of the invention ]
With the rapid development of economy, the problem of environmental pollution treatment has become a significant civil problem. Because the heat energy utilization rate of the metal melting furnace is only about 40 percent, considerable heat energy is discharged through waste gas, and the waste of heat is caused by directly discharging the waste gas into the air, thereby not only influencing the heat efficiency of metal melting, but also influencing the heat effect of the environment; in addition, the waste gas contains a large amount of incompletely combusted metal particles, which causes waste, and the direct discharge into the atmosphere causes environmental pollution, so that the problems of heat energy recovery and pollution discharge reduction are solved.
[ Utility model ] content
The technical problem to be solved by the utility model is to provide a metal melting furnace device with waste gas recycling, energy saving and environmental protection, which can recycle the heat of high-temperature waste gas, thereby improving the melting speed and reducing the energy consumption; can reduce the temperature of the discharged waste gas, reduce the atmospheric heat effect, and can also improve the service life and the filtering effect of the dust remover.
The utility model discloses a realize like this:
a metal melting furnace device with waste gas recycling, energy saving and environmental protection comprises a melting furnace, a metal preheating tunnel furnace, a first elevator and a dust remover, wherein a first waste gas recovery pipeline is arranged at the upper end of the melting furnace;
an inlet and an outlet are respectively arranged at two ends of the metal preheating tunnel furnace, a first feeding port is further arranged at the front end of the outlet of the metal preheating tunnel furnace, and the first feeding port is communicated with the melting furnace; the first waste gas recovery pipeline is communicated with an outlet of the metal preheating tunnel furnace, and an inlet of the metal preheating tunnel furnace is communicated with the dust remover; the first hoister is connected with an inlet of the metal preheating tunnel furnace, and is used for hoisting and conveying metal raw materials into the inlet of the metal preheating tunnel furnace;
the metal preheating tunnel furnace is characterized in that a transverse conveying belt is arranged in the metal preheating tunnel furnace, a pile of metal raw materials is stacked on the transverse conveying belt, a plurality of heat-resistant wind shielding curtains are arranged above the inside of the metal preheating tunnel furnace, and the lower ends of the heat-resistant wind shielding curtains are slightly higher than the height of the metal raw materials stacked.
Further, the transverse conveying belt is connected with a transverse stepping motor.
Furthermore, two sides of the metal preheating tunnel furnace are provided with observation holes.
Further, one or more lifting hoppers are arranged on the first lifting machine, and a plurality of pieces of metal raw materials are placed in the lifting hoppers.
Furthermore, the metal melting furnace device also comprises a second lifting machine, a second feeding port is arranged on the second lifting machine and communicated with the melting furnace, a horizontal included angle between the first feeding port and the second feeding port is 90 degrees, and an interlocking device is arranged between the first feeding port and the second feeding port.
The utility model has the advantages of as follows:
the utility model is provided with a metal preheating tunnel furnace, and the metal preheating tunnel furnace utilizes the high-temperature waste gas generated in the melting furnace to preheat and heat up the metal aluminum ingot to be entered into the melting furnace, and then put into the melting furnace for high-temperature melting, thereby improving the thermal potential of the melting metal, improving the melting speed and achieving the purpose of saving heat energy; meanwhile, the temperature of waste gas after preheating the aluminum metal ingot is reduced, and the atmospheric heat effect can be reduced when the waste gas is discharged into the environment; in addition, low-temperature waste gas enters the dust remover, so that the damage caused by the filtering equipment in the temperature dust remover can be reduced, and the service life and the filtering effect of the dust remover are improved.
The utility model discloses in, metal feedstock becomes to stack and arranges in the metal preheats the tunnel furnace, still is provided with a plurality of heat-resisting air baffles simultaneously, is favorable to improving the dwell time of heat in the metal preheats the tunnel furnace to and improve the temperature after the metal aluminium ingot preheats, improved thermal utilization ratio greatly.
[ description of the drawings ]
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
FIG. 1 is a schematic view of a metal melting furnace apparatus for recycling waste gas, saving energy and protecting environment according to the present invention.
Fig. 2 is a partially enlarged view of a in fig. 1.
Fig. 3 is a side view of the metal preheating tunnel furnace and the first elevator.
FIG. 4 is a top view of the metal melting furnace apparatus of the present invention, which is capable of recycling waste gas, saving energy and protecting environment.
[ detailed description ] embodiments
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the utility model relates to a waste gas recycling, energy-saving and environment-friendly metal melting furnace device, which comprises a melting furnace 1, a metal preheating tunnel furnace 2, a first elevator 3 and a dust remover 4, wherein the upper end of the melting furnace 1 is provided with a first waste gas recovery pipeline 11;
an inlet and an outlet are respectively arranged at two ends of the metal preheating tunnel furnace 2, a first feeding port 21 is further arranged at the front end of the outlet of the metal preheating tunnel furnace 2, and the first feeding port 21 is communicated with the melting furnace 1; the first waste gas recovery pipeline 11 is communicated with an outlet of the metal preheating tunnel furnace 2, and an inlet of the metal preheating tunnel furnace 2 is communicated with the dust remover 4; the first hoister 3 is connected with an inlet of the metal preheating tunnel furnace 2 and is used for hoisting and conveying the metal raw material into the inlet of the metal preheating tunnel furnace 2;
the metal preheating tunnel furnace 2 is internally provided with a transverse conveyor belt 22, a pile of metal raw materials is piled on the transverse conveyor belt 22, a plurality of heat-resistant wind shielding curtains 23 are arranged above the inside of the metal preheating tunnel furnace 2, and the lower end of each heat-resistant wind shielding curtain 23 is slightly higher than the height of the piled metal raw materials 100.
The transverse conveyor belt 22 is connected with a transverse stepping motor 24, and the transverse stepping motor 24 controls the operation of the transverse conveyor belt 22.
Observation holes are formed in two sides of the metal preheating tunnel furnace 2, so that the accumulation condition of metal aluminum ingots can be observed, and the conveying speed of the transverse conveying belt 22 is adjusted.
One or more lifting hoppers 31 are provided on the first elevator 3, and a plurality of pieces of the metal raw material 100 are placed in the lifting hoppers 31. The lifting hopper 31 is controlled to lift through a lifting stepping motor.
The metal melting furnace device further comprises a second waste gas recovery pipeline 12, wherein the second waste gas recovery pipeline 12 is connected to the upper portion of the melting furnace 1 and the first waste gas recovery pipeline 11 respectively, and can discharge waste gas to the dust remover 4 together with the first waste gas recovery pipeline 11.
With particular reference to fig. 4, the metal melting furnace device further comprises a second lifting machine 5, a second feeding port 51 is arranged on the second lifting machine 5, and the second feeding port 51 is communicated with the melting furnace 1; the first feeding port 21 and the second feeding port 51 are both connected to the feeding port of the melting furnace, the horizontal included angle of the first feeding port 21 and the second feeding port 51 is 90 degrees, and an interlocking device is arranged between the first feeding port 21 and the second feeding port 51, namely when the first feeding port 21 feeds materials, the second lifting machine 5 and the second feeding port 51 pause feeding through the interlocking device, and when the second feeding port 51 feeds materials, the first feeding port 21 and the transverse conveying belt 22 pause feeding through the interlocking device. The second elevator 5 may be used to lift and feed, for example, scrap or other material into the melting furnace.
The working principle of the utility model is as follows:
one or more metal ingots (or metal crushed aggregates) are loaded into a lifting hopper 31 of a first lifter 3, the metal ingots are lifted upwards by a lifting stepping motor and conveyed to a transverse conveying belt 22 at the inlet of a metal preheating tunnel furnace 2, and after the metal ingots are conveyed by a set number, the metal ingots are respectively piled on a transverse conveying belt 21 controlled by a transverse stepping motor system (when one ingot is lifted and conveyed, after a certain number of the metal ingots are reached on the transverse conveying belt 21, the transverse conveying belt 21 moves forwards for a certain position; when the lifting hopper 31 lifts a plurality of ingots at a time, and after the ingots are lifted upwards, the metal ingots are naturally piled on the transverse conveying belt 21). High-temperature waste gas generated in the melting furnace 1 enters the metal preheating tunnel furnace 2 along the first waste gas recovery pipeline 11 to preheat metal ingots placed in a pile, and the cooled waste gas flows into the dust remover 4 and is discharged after dust removal.
When feeding is needed, the moving speed of the transverse conveyor belt 22 is controlled by the transverse stepping motor 24, the transverse conveyor belt 22 advances towards the melting furnace 1, and metal ingots (after being preheated by high-temperature waste gas coming out of the first waste gas recovery pipeline 11 of the melting furnace 1) are poured from the first feeding port 21 along the feeding port of the melting furnace, and finally enter the melting furnace 1 for high-temperature melting.
The utility model is provided with a metal preheating tunnel furnace 2, and the metal ingot to be entered into the melting furnace 1 is preheated and heated by utilizing the high-temperature waste gas generated in the melting furnace 1 in the metal preheating tunnel furnace 2, and then is put into the melting furnace 1 for high-temperature melting, so that the heat potential of the molten metal can be improved, the melting speed is increased, and the purpose of saving heat energy is achieved; meanwhile, the temperature of the waste gas after preheating the metal ingot is reduced, and the atmospheric heat effect can be reduced when the waste gas is discharged into the environment; in addition, low-temperature waste gas enters the dust remover 4, so that the damage caused by the filtering equipment in the temperature dust remover 4 can be reduced, and the service life and the filtering effect of the dust remover 4 are improved.
In the utility model, the metal raw materials are stacked in the metal preheating tunnel furnace 2, so that the residence time of the high-temperature waste gas on the metal raw materials can be prolonged; meanwhile, a plurality of heat-resistant wind shields are arranged, so that high-temperature waste gas is repeatedly bent to heat the metal raw material, and the retention time of the high-temperature waste gas is prolonged; in a word, the arrangement is beneficial to improving the retention time of heat in the metal preheating tunnel furnace, the temperature of the preheated metal ingot is improved, and the utilization rate of the heat is greatly improved.
Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.
Claims (5)
1. The utility model provides a metal melting furnace device that waste gas is recycled, energy-conservation, environmental protection which characterized in that: the metal melting furnace device comprises a melting furnace, a metal preheating tunnel furnace, a first lifting machine and a dust remover, wherein a first waste gas recovery pipeline is arranged at the upper end of the melting furnace;
an inlet and an outlet are respectively arranged at two ends of the metal preheating tunnel furnace, a first feeding port is further arranged at the front end of the outlet of the metal preheating tunnel furnace, and the first feeding port is communicated with the melting furnace; the first waste gas recovery pipeline is communicated with an outlet of the metal preheating tunnel furnace, and an inlet of the metal preheating tunnel furnace is communicated with the dust remover; the first hoister is connected with an inlet of the metal preheating tunnel furnace, and is used for hoisting and conveying metal raw materials into the inlet of the metal preheating tunnel furnace;
the metal preheating tunnel furnace is characterized in that a transverse conveying belt is arranged in the metal preheating tunnel furnace, a pile of metal raw materials is stacked on the transverse conveying belt, a plurality of heat-resistant wind shielding curtains are arranged above the inside of the metal preheating tunnel furnace, and the lower ends of the heat-resistant wind shielding curtains are slightly higher than the height of the metal raw materials stacked.
2. The metal melting furnace apparatus for recycling exhaust gas, saving energy and protecting environment according to claim 1, wherein: the transverse conveying belt is connected with a transverse stepping motor.
3. The metal melting furnace apparatus for recycling exhaust gas, saving energy and protecting environment according to claim 1, wherein: and observation holes are formed in two sides of the metal preheating tunnel furnace.
4. The metal melting furnace apparatus for recycling exhaust gas, saving energy and protecting environment according to claim 1, wherein: one or more lifting hoppers are arranged on the first lifting machine, and one or more pieces of metal raw materials are placed in the lifting hoppers.
5. The metal melting furnace apparatus for recycling exhaust gas, saving energy and protecting environment according to claim 1, wherein: the metal melting furnace device also comprises a second lifting machine, a second feeding port is arranged on the second lifting machine and communicated with the melting furnace, and a horizontal included angle between the first feeding port and the second feeding port is 90 degrees and an interlocking device is arranged between the first feeding port and the second feeding port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120309990.2U CN215063650U (en) | 2021-02-03 | 2021-02-03 | Waste gas recycling, energy-saving and environment-friendly metal melting furnace device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120309990.2U CN215063650U (en) | 2021-02-03 | 2021-02-03 | Waste gas recycling, energy-saving and environment-friendly metal melting furnace device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215063650U true CN215063650U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120309990.2U Active CN215063650U (en) | 2021-02-03 | 2021-02-03 | Waste gas recycling, energy-saving and environment-friendly metal melting furnace device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215063650U (en) |
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2021
- 2021-02-03 CN CN202120309990.2U patent/CN215063650U/en active Active
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