CN111473645A - Aluminum melting equipment and melting method thereof - Google Patents
Aluminum melting equipment and melting method thereof Download PDFInfo
- Publication number
- CN111473645A CN111473645A CN202010290733.9A CN202010290733A CN111473645A CN 111473645 A CN111473645 A CN 111473645A CN 202010290733 A CN202010290733 A CN 202010290733A CN 111473645 A CN111473645 A CN 111473645A
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- burner
- aluminum
- aluminum melting
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- chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/0806—Charging or discharging devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/14—Arrangements of heating devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
- F27D25/001—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag comprising breaking tools, e.g. hammers, drills, scrapers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/14—Charging or discharging liquid or molten material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B2014/0875—Two zones or chambers, e.g. one used for charging
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B2014/0887—Movement of the melt
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention relates to aluminum melting equipment which comprises an aluminum melting equipment body, wherein a first burner is horizontally arranged on the aluminum melting equipment body, a second burner is arranged on one side of the aluminum melting equipment body, which is positioned on the first burner, and a third burner is arranged on the other side of the aluminum melting equipment body; the second burner is inclined relative to the first burner and gradually approaches the first burner from the outer side to the inner side; the third burner is inclined relative to the first burner and is gradually close to the first burner from the outer side to the inner side. According to the aluminum melting equipment provided by the invention, the second burner and the third burner are added, so that the burners are more uniformly distributed on the aluminum melting body, the fuel of the aluminum melting furnace in the hearth is uniformly dispersed, the fuel and oxygen can be fully combusted, a low-oxygen state is formed in the sealed furnace chamber, and the metal aluminum is prevented from fully contacting with the oxygen to form oxide slag. Meanwhile, after the fuel is fully combusted, the heat value is improved, and the effects of energy reduction and emission reduction are achieved.
Description
Technical Field
The invention relates to the technical field of aluminum melting, in particular to aluminum melting equipment and a melting method thereof.
Background
The aluminum melting equipment is developed according to an aluminum melting process, the common aluminum melting equipment is an aluminum melting furnace, the existing melting furnace is an aluminum melting furnace provided with two horizontally arranged burners, fuel of the aluminum melting furnace is not uniformly dispersed after entering a hearth, so that the aluminum melting furnace is not uniform in combination with oxygen, the local oxygen content in the hearth is overhigh, and more oxidizing slag is formed by combining metal aluminum and oxygen.
Disclosure of Invention
The present invention is directed to an aluminum melting apparatus and a binding system to solve at least one of the problems set forth above.
One technical scheme of the application is as follows: the aluminum melting equipment comprises an aluminum melting equipment body, wherein a first burner is horizontally arranged on the aluminum melting equipment body, a second burner is arranged on one side of the aluminum melting equipment body, which is positioned on the first burner, and a third burner is arranged on the other side of the aluminum melting equipment body; the second burner is inclined relative to the first burner and gradually approaches the first burner from the outer side to the inner side; the third burner is inclined relative to the first burner and is gradually close to the first burner from the outer side to the inner side.
Preferably, the third burner is close to a transfer nozzle of the aluminum melting equipment body, and the inclination angle of the third burner is larger than that of the second burner.
Preferably, a partition plate is arranged inside the aluminum melting equipment body, the partition plate isolates the inner space of the aluminum melting equipment body into a main chamber and an auxiliary chamber, the burner is located on the side wall of the main chamber, and a channel communicated with the main chamber and the auxiliary chamber is formed in the partition plate.
Preferably, a pump chamber is arranged on the aluminum melting equipment body, a filtrate pump is arranged in the pump chamber, an inlet of the filtrate pump is located in the main chamber and used for extracting high-temperature aluminum liquid in the main chamber, and an outlet of the filtrate pump is located in the auxiliary chamber and used for discharging the extracted high-temperature aluminum liquid to the auxiliary chamber to melt raw materials.
Preferably, the cross section of the main chamber is circular or elliptical, and the heights of the first burner and the second burner are different.
Preferably, the number of the first burners is two, and the distance from the first burner close to the second burner is equal to the distance from the first burner close to the third burner.
Preferably, the inclination angle of the second burner relative to the first burner is 25-45 ℃; the inclination angle of the third burner relative to the first burner is 27-47 ℃.
According to the aluminum melting equipment provided by the invention, the second burner and the third burner are added, so that the burners are more uniformly distributed on the aluminum melting body, and the second burner and the third burner are obliquely arranged, so that aluminum melting furnace fuel sprayed by the two oblique burners and aluminum melting furnace fuel sprayed by the horizontal burner are in cross flow during heating, the aluminum melting furnace fuel in the hearth is uniformly dispersed, the fuel and oxygen can be fully combusted, a low-oxygen state is formed in the sealed furnace chamber, and the metal aluminum is prevented from fully contacting with the oxygen to form oxide slag. Meanwhile, after the fuel is fully combusted, the heat value is improved, and the effects of energy reduction and emission reduction are achieved.
One technical scheme of the application is as follows: a smelting process using the above described aluminum melting plant with baffles, comprising the steps of:
step 1, adding raw materials, wherein the raw materials are firstly added into a main chamber;
step 4, transporting the mixture into the main chamber, and heating the main chamber again, wherein the temperature is raised to 700 ℃;
and 5, heating the rotary holding furnace.
Preferably, a slag skimming step is further included after the step 2 and before the step 3.
Preferably, a slag skimming step is further included after the step 3 and before the step 4.
Compared with the existing equipment, the temperature rise of the main chamber in the smelting method is lower, the energy loss of the main chamber caused by large internal and external temperature difference is reduced, and the energy-saving effect is better.
Drawings
FIG. 1 is a schematic structural view of an aluminum melting apparatus according to the present invention;
wherein the reference numbers: the aluminum melting equipment comprises an aluminum melting equipment body 1, a transfer opening 11, a first burner 2, a second burner 3, a third burner 31, a main chamber 4, an auxiliary chamber 5, a partition plate 6, a channel 61 and a pump chamber 7.
Detailed Description
The invention is further illustrated by the following figures and examples.
Embodiment 1, the present invention provides an aluminum melting apparatus, which is shown in fig. 1 and includes an aluminum melting apparatus body 1, wherein a first burner 2 is horizontally disposed on the aluminum melting apparatus body, a second burner 3 is disposed on one side of the first burner of the aluminum melting apparatus body, and a third burner 31 is disposed on the other side of the aluminum melting apparatus body; the second burner is inclined relative to the first burner, the inclination angle is generally 25-45 ℃, and the second burner is gradually close to the first burner from the outer side to the inner side; the third burner is inclined relative to the first burner, the inclination angle is generally 27-47 ℃, and the third burner is gradually close to the first burner from the outer side to the inner side. The distance between the first burner close to the second burner and the second burner is equal to the distance between the first burner close to the third burner and the third burner, and of course, the distance between the two first burners is preferably equal to the distance between the first burner close to the second burner and the second burner.
According to the aluminum melting equipment provided by the invention, the second burner and the third burner are added, so that the burners are more uniformly distributed on the aluminum melting body, and the second burner and the third burner are obliquely arranged, so that aluminum melting furnace fuel sprayed by the two oblique burners and aluminum melting furnace fuel sprayed by the horizontal burner are in cross flow during heating, the aluminum melting furnace fuel in the hearth is uniformly dispersed, the fuel and oxygen can be fully combusted, a low-oxygen state is formed in the sealed furnace chamber, and the metal aluminum is prevented from fully contacting with the oxygen to form oxide slag. Meanwhile, after the fuel is fully combusted, the heat value is improved, and the effects of energy reduction and emission reduction are achieved.
The following are several groups of comparison tables of energy consumption data of the aluminum melting equipment before modification and energy consumption data of the aluminum melting equipment after modification according to the application, so that the energy reduction and emission reduction effects are obvious.
In this application, as an optimal scheme, the third nozzle is close to the commentaries on classics notes mouth 11 that melts aluminium equipment body, the inclination of third nozzle slightly is greater than the inclination of second nozzle, general difference is about 2, can make second nozzle spun heat and first nozzle spun heat cross the back like this and have a small part to near reflection of commentaries on classics notes mouth, reduces the influence of commentaries on classics notes mouth and drain port during operation heat dissipation to local degree of inquiry for furnace heat dispersion is more even.
In this application, as an preferred scheme, melt the inside baffle 6 that is provided with of aluminium equipment body, the baffle will melt the inner space (also be furnace) of aluminium equipment body and keep apart for main room 4 and loco 5, the nozzle is located on the lateral wall of main room, be provided with the intercommunication on the baffle the main room with the passageway 61 of loco, wherein the main room is used for raising the temperature for a long time and keeps warm, and the loco is used for adding the raw materials, taking off the sediment through the passageway. The efficiency is greatly improved, the energy consumption is greatly reduced, and the burning loss is reduced. Further, be provided with pump chamber 7 on the aluminium melting equipment body, be provided with the filtrating pump in the pump chamber, the import of filtrating pump is located in the main chamber for extract the interior high temperature aluminium liquid of main chamber, the export of filtrating pump is located in the accessory chamber for arrange the high temperature aluminium liquid of extraction to melting raw materials in the accessory chamber, like this, the raw materials is transported to main chamber through the passageway after the high temperature aluminium liquid melts and is heated up the melting once more, can reduce main chamber intensification temperature, reduces the main chamber because the big and energy loss that causes of the inside and outside difference in temperature, and energy-conserving effect is better.
It should be noted that the cross section of the main chamber of the aluminum melting apparatus may be the shape shown in fig. 1, or may be a circular shape, an oval shape, or the like, and when the cross section is a circular shape or an oval shape, the heights of the first burner and the second burner may also be different, so that when fuel is sprayed, a small part of fuel close to the side wall is sprayed obliquely and then moves along the side wall of the main chamber to burn, and then an annular barrier is formed, which is beneficial to the heat preservation of the main chamber.
step 1, adding raw materials, wherein the raw materials are firstly added into a main chamber;
and step 21, slagging off.
step 4, transporting the mixture into the main chamber, and heating the main chamber again, wherein the temperature is raised to 700 ℃;
and 5, heating the rotary holding furnace.
Step 21 may be between step 3 and step 4.
Of course, the method for manufacturing the aluminum alloy product can also sequentially comprise the steps of matching gold components, refining, standing and casting after the temperature of the heat preservation rate is raised.
The temperature rise temperature (700 ℃) of the main chamber in the smelting method is lower than the temperature rise temperature (760 ℃) of the existing equipment, so that the energy loss of the main chamber caused by large temperature difference between the inside and the outside is reduced, and the energy-saving effect is better.
The above description is only for the purpose of illustrating preferred embodiments of the present invention and is not to be construed as limiting the present invention, and the terms first, second, etc. are used for distinguishing between similar terms and not for limiting the technical terms, and various modifications and variations of the present invention may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The aluminum melting equipment comprises an aluminum melting equipment body (1), wherein a first burner (2) is horizontally arranged on the aluminum melting equipment body, and is characterized in that a second burner (3) is arranged on one side of the aluminum melting equipment body, which is positioned on the first burner, and a third burner (31) is arranged on the other side of the aluminum melting equipment body;
the second burner is inclined relative to the first burner and gradually approaches the first burner from the outer side to the inner side;
the third burner is inclined relative to the first burner and is gradually close to the first burner from the outer side to the inner side.
2. An aluminium melting apparatus according to claim 1, wherein the third burner is located close to a transfer nozzle (11) of the aluminium melting apparatus body, the angle of inclination of the third burner being greater than the angle of inclination of the second burner.
3. An aluminium melting apparatus according to claim 1, wherein a partition plate (6) is provided inside the apparatus body to partition an inner space of the apparatus body into a main chamber (4) and a sub-chamber (5), the burner is located on a side wall of the main chamber, and a passage (61) communicating the main chamber and the sub-chamber is provided in the partition plate.
4. An aluminium melting apparatus according to claim 3, wherein the aluminium melting apparatus body is provided with a pump chamber (7) in which a filtrate pump is provided, an inlet of the filtrate pump being located in the main chamber for extracting high temperature aluminium liquid in the main chamber, and an outlet of the filtrate pump being located in the auxiliary chamber for discharging the extracted high temperature aluminium liquid into the auxiliary chamber for melting the raw material.
5. An aluminium melting apparatus as claimed in claim 3, wherein the main chamber has a circular or elliptical cross-sectional shape and the first and second burners are of different heights.
6. The aluminum melting equipment as claimed in claim 1, wherein the number of the first burners is two, and the distance from the first burner close to the second burner is equal to the distance from the first burner close to the third burner.
7. An aluminium melting apparatus according to any one of claims 1 to 6, wherein the angle of inclination of the second burner relative to the first burner is from 25 to 45 ℃;
the inclination angle of the third burner relative to the first burner is 27-47 ℃.
8. A smelting process using the aluminum melting plant of claim 3, comprising the steps of:
step 1, adding raw materials, wherein the raw materials are firstly added into a main chamber;
step 2, heating to melt the raw materials, wherein the temperature is increased to 740 ℃, and the step is to heat the main chamber through a first burner, a second burner and a third burner;
step 3, adding the raw materials into the auxiliary chamber, and melting the raw materials in the auxiliary chamber by using the heated and melted high-temperature aluminum liquid to form a mixture of the raw materials and the high-temperature aluminum solution;
step 4, transporting the mixture into the main chamber, and heating the main chamber again, wherein the temperature is raised to 700 ℃;
and 5, heating the rotary holding furnace.
9. The smelting method according to claim 8, further comprising a slag skimming step after step 2 and before step 3.
10. The smelting method according to claim 9, further comprising a slag skimming step after step 3 and before step 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010290733.9A CN111473645A (en) | 2020-04-14 | 2020-04-14 | Aluminum melting equipment and melting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010290733.9A CN111473645A (en) | 2020-04-14 | 2020-04-14 | Aluminum melting equipment and melting method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111473645A true CN111473645A (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010290733.9A Pending CN111473645A (en) | 2020-04-14 | 2020-04-14 | Aluminum melting equipment and melting method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201497347U (en) * | 2009-09-16 | 2010-06-02 | 苏州新长光热能科技有限公司 | Novel aluminium scrap smelting furnace |
| CN204329018U (en) * | 2014-12-11 | 2015-05-13 | 衢州市荣胜冶金设备有限公司 | Multiple combustion mode heat-accumulating burner |
| CN106766890A (en) * | 2017-01-06 | 2017-05-31 | 黄石市福星铝业有限公司 | A kind of new-type burning of aluminium melting furnace and the circulatory system |
| CN209326329U (en) * | 2018-12-28 | 2019-08-30 | 洛阳托普热能技术有限公司 | A kind of high-speed melting-aluminium furnace with magnetic drive aluminum melt forced circulation |
-
2020
- 2020-04-14 CN CN202010290733.9A patent/CN111473645A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201497347U (en) * | 2009-09-16 | 2010-06-02 | 苏州新长光热能科技有限公司 | Novel aluminium scrap smelting furnace |
| CN204329018U (en) * | 2014-12-11 | 2015-05-13 | 衢州市荣胜冶金设备有限公司 | Multiple combustion mode heat-accumulating burner |
| CN106766890A (en) * | 2017-01-06 | 2017-05-31 | 黄石市福星铝业有限公司 | A kind of new-type burning of aluminium melting furnace and the circulatory system |
| CN209326329U (en) * | 2018-12-28 | 2019-08-30 | 洛阳托普热能技术有限公司 | A kind of high-speed melting-aluminium furnace with magnetic drive aluminum melt forced circulation |
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Application publication date: 20200731 |