CN212357350U - Integrated continuous copper smelting device - Google Patents

Integrated continuous copper smelting device Download PDF

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Publication number
CN212357350U
CN212357350U CN202021819220.4U CN202021819220U CN212357350U CN 212357350 U CN212357350 U CN 212357350U CN 202021819220 U CN202021819220 U CN 202021819220U CN 212357350 U CN212357350 U CN 212357350U
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smelting
zone
converting
copper
area
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CN202021819220.4U
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袁精华
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China Nerin Engineering Co Ltd
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China Nerin Engineering Co Ltd
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Abstract

The utility model discloses an integrated continuous copper smelting device, which comprises a smelting area and a converting area, wherein the smelting area and the converting area are separated by a partition wall, the lower part of the partition wall is provided with a hole, a smelting slag chamber is arranged in the smelting area, a converting slag chamber is arranged in the converting area, three layers of melt are arranged from top to bottom in the smelting area, and the three layers of melt are a smelting area slag layer, a smelting area copper matte layer and a rough copper layer in sequence; three layers of melt are arranged in the converting area from top to bottom, and sequentially comprise a slag layer in the converting area, a copper matte layer in the converting area and a crude copper layer; the smelting zone is provided with a first air drum inlet and a second air drum inlet, primary oxygen-enriched air is blown into a slag layer of the smelting zone through the first air drum inlet, and secondary oxygen-enriched air or normal oxygen air is blown into an upper gas phase space of the smelting zone through the second air drum inlet(ii) a The converting area is provided with an air blowing inlet of the converting area, and primary oxygen-enriched air is blown into the copper matte layer of the converting area through the air blowing inlet of the converting area. The utility model discloses can shorten the flow, reduce the investment, practice thrift the energy consumption, avoid SO2Leakage and pollution.

Description

Integrated continuous copper smelting device
Technical Field
The utility model relates to a smelt technical field, especially relate to an integration continuous copper smelting device.
Background
At present, the copper pyrometallurgy is divided into two stages of smelting and converting, and the smelting and the converting are respectively completed in two independent devices. The smelting device produces copper matte, and the copper matte is sent to an air refining device for air refining to produce blister copper. The smelting device comprises an electric furnace, a reverberatory furnace, a flash furnace, a side-blown furnace, an Olympic furnace, a bottom-blown furnace and the like, and the converting device comprises a converter, a flash furnace, an furnace, a top-blown furnace, a bottom-blown furnace and the like.
The copper matte produced by the smelting device needs to be transferred by a chute and a crane or sent to a converting furnace after being quenched and solidified by water, SO that the problems of long flow, large investment and high energy consumption exist, and SO is caused by discontinuously increasing discharge operation2Leakage and pollution.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an integrated continuous copper smelting device to shorten the flow, reduce the investment, practice thrift the energy consumption, avoid SO2Leakage and pollution.
An integrated continuous copper smelting device comprises a smelting area and a converting area, wherein the smelting area and the converting area are separated by a partition wall, a hole is formed in the lower portion of the partition wall, and the smelting area is communicated with the converting area through the hole;
a smelting slag chamber is arranged in the smelting zone, a smelting feed inlet is arranged above the smelting zone, an converting slag chamber is arranged in the converting zone, and a converting feed inlet is arranged above the converting zone;
three layers of melt are arranged in the smelting zone from top to bottom, and sequentially comprise a smelting zone slag layer, a smelting zone copper matte layer and a rough copper layer;
three layers of melt are arranged in the converting area from top to bottom, namely a slag layer in the converting area, a copper matte layer in the converting area and the coarse copper layer in sequence;
the smelting zone is provided with a first air drum inlet and a second air drum inlet, the height of the second air drum inlet is greater than that of the first air drum inlet, primary oxygen-enriched air is blown into the slag layer of the smelting zone through the first air drum inlet, and secondary oxygen-enriched air or atmospheric air is blown into the upper gas phase space of the smelting zone through the second air drum inlet;
the converting zone is provided with a converting zone air blowing inlet, and primary oxygen-enriched air is blown into the converting zone copper matte layer through the converting zone air blowing inlet.
According to the integrated continuous copper smelting device, the side-blown smelting and the side-blown smelting can be integratedThe method is carried out in one device to realize the integrated continuous copper smelting of double-side blowing, firstly, copper concentrate and oxygen-enriched air blown into the side surface are subjected to smelting reaction in a smelting zone to generate copper matte, and then oxygen-enriched air is continuously blown into an converting zone to convert the copper matte into blister copper; the copper matte does not need a chute and a crane for transferring or is sent to a converting furnace after water quenching and solidification, the process can be shortened, the investment is reduced, the energy consumption is saved, and SO is avoided2Leakage and pollution.
In addition, according to the utility model provides an integration continuous copper metallurgy device can also have following additional technical characterstic:
furthermore, the number of the first air drum inlets, the number of the second air drum inlets and the number of the air drum inlets of the converting area are all multiple.
Further, the plurality of first air inlets are arranged side by side, the plurality of second air inlets are arranged side by side, and the plurality of blowing zone air inlets are arranged side by side.
Furthermore, the smelting area is provided with a smelting area flue, and the converting area is provided with a converting area flue.
Furthermore, the smelting area is provided with a smelting area slag discharge port, and the converting area is provided with a converting area slag discharge port.
Further, the converting area is provided with a siphon crude copper discharge port.
Further, the smelting zone and the converting zone are at least provided with 1 safe discharge port.
Further, the thickness of the slag layer in the smelting zone is 1700mm, the thickness of the slag layer in the converting zone is 1000mm, the thickness of the slag layer in the converting zone is 300mm and 1000mm, and the height of the slag surface of the slag layer in the smelting zone is higher than that of the slag layer in the converting zone.
Further, the thickness of the smelting zone copper matte layer is 300-1000mm, the thickness of the converting zone copper matte layer is 500-1300mm, and the height of the copper matte surface of the smelting zone copper matte layer is lower than that of the converting zone copper matte layer; the thickness of the coarse copper layer is 200-800 mm.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural view of an integrated continuous copper smelting apparatus according to a first embodiment of the present invention;
FIG. 2 is a schematic flow chart of an integrated continuous copper smelting process according to a second embodiment of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "up," "down," and the like are for illustrative purposes only and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be 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 according to specific situations by those skilled in the art. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, the integrated continuous copper smelting device provided by the first embodiment of the present invention includes a smelting zone 10 and a converting zone 20, wherein the smelting zone 10 and the converting zone 20 are separated by a partition wall 30, a hole 31 is formed in the lower portion of the partition wall 30, and the smelting zone 10 and the converting zone 20 are communicated through the hole 31.
The smelting zone 10 is internally provided with a smelting slag chamber 11, the smelting feeding port 12 is arranged above the smelting zone 10, the converting zone 20 is internally provided with a converting slag chamber 21, and the converting feeding port 22 is arranged above the converting zone 20. The number of the melting addition port 12 and the blow addition port 22 may be plural.
Three layers of melt are arranged in the smelting zone 10 from top to bottom, and sequentially comprise a smelting zone slag layer 101, a smelting zone copper matte layer 102 and a blister copper layer 103.
Three layers of melt are arranged in the converting zone 20 from top to bottom, namely a converting zone slag layer 201, a converting zone copper matte layer 202 and the coarse copper layer 103 in sequence. I.e. the rough copper layers of the melting zone 10 and the blowing zone 20 are in communication.
The thickness of the smelting zone slag layer 101 is preferably 1000-1700mm, the thickness of the converting zone slag layer 201 is preferably 300-1000mm, and the height of the slag surface of the smelting zone slag layer 101 is higher than that of the converting zone slag layer 201.
The thickness of the smelting zone copper matte layer 102 is preferably 300-1000mm, the thickness of the converting zone copper matte layer 202 is preferably 500-1300mm, and the copper matte surface height of the smelting zone copper matte layer 102 is lower than that of the converting zone copper matte layer 202; the thickness of the coarse copper layer 103 is preferably 200-800 mm.
Through the preferable thickness of the smelting zone slag layer 101, the thickness of the converting zone slag layer 201, the thickness of the smelting zone copper matte layer 102, the thickness of the converting zone copper matte layer 202 and the thickness of the rough copper layer 103, the operation system of the anode refining furnace, the size of the anode furnace, the blast pressure of the smelting zone, the blowing pressure of the converting zone, the slag discharge mode, the slag discharge speed, the rough copper discharge mode, the rough copper discharge speed, the bottom formation of the furnace bottom and the like can be considered on the premise that the static pressures of the smelting zone 10 and the converting zone 20 are kept balanced, and the operation of the whole device in the most efficient state is ensured.
The smelting zone 10 is provided with a first air drum inlet 13 and a second air drum inlet 14, the number of the first air drum inlets 13 and the number of the second air drum inlets 14 are both multiple, the first air drum inlets 13 and the second air drum inlets 14 are arranged on the long edges of the smelting zone 10 side by side, the height of the second air drum inlets 14 is larger than that of the first air drum inlets 13, primary oxygen-enriched air is blown into the slag layer 101 of the smelting zone through the first air drum inlets 13, and secondary oxygen-enriched air or ordinary oxygen air is blown into the upper gas phase space of the smelting zone 10 through the second air drum inlets 14.
Wherein, set up two-layer air drum entry in this embodiment, second air drum entry 14 that is located the upper strata promptly and the first air drum entry 13 that is located the lower floor, can be through twice air to the material of incomplete reaction in the gas phase space burning completely to bring the partial heat after the reaction back to the fuse-element, promote energy utilization.
The converting zone 20 is provided with a converting zone air drum inlet 23, and primary oxygen-enriched air is blown into the converting zone copper matte layer 202 through the converting zone air drum inlet 23. The number of the air drum inlets 23 of the converting zone is plural, and the air drum inlets 23 of the converting zone are arranged side by side on the long side of the converting zone 20.
In this embodiment, the smelting zone 10 is provided with a smelting zone flue 15, the smelting zone flue 15 is located above the smelting zone 10, the converting zone 20 is provided with a converting zone flue 24, and the converting zone flue 24 is located above the converting zone 20.
Smelting zone 10 is equipped with smelting zone slag discharge 16, and smelting zone slag discharge 16 is located the one end that smelting zone 10 is far away from converting zone 20, converting zone 20 is equipped with converting zone slag discharge 25, and converting zone slag discharge 25 is located the one end that converting zone 20 is far away from smelting zone 10.
The converting zone 20 is also provided with a siphon blister copper discharge 26. Specifically, a siphon blister copper discharge port 26 is provided below the slag discharge port 25 of the converting zone.
The smelting zone 10 and the converting zone 20 are provided with at least 1 safety vent 40. In particular, the melting zone 10 and the blowing zone 20 may share a safety vent 40.
Referring to fig. 2, a second embodiment of the present invention provides an integrated continuous copper smelting method applied to the integrated continuous copper smelting apparatus of the first embodiment, the method including steps S11 to S12:
s11, in the smelting zone, carrying out smelting reaction on the primary oxygen-enriched air blown from the side through the first air drum inlet and the secondary oxygen-enriched air or ordinary oxygen air blown from the side through the second air drum inlet and the copper concentrate to generate copper matte;
and S12, blowing primary oxygen-enriched air through an air blowing inlet of the converting area in the converting area to convert the copper matte into blister copper.
Wherein, the front part smelting zone 10 of the device is a submerged side-blown smelting zone, oxygen-enriched air is blown into a slag layer through a side-blowing port, and the removal of iron and sulfur in copper concentrate is mainly completed in the zone to produce high-grade copper matte; the rear part converting zone 20 of the device is specifically a side-blowing converting zone, oxygen-enriched air is blown into a copper matte layer of the converting zone through an air blowing inlet of the converting zone, a small amount of iron and sulfur in the copper matte are continuously removed in the zone, and crude copper is produced.
In summary, according to the integrated continuous copper smelting device and the integrated continuous copper smelting method provided by the embodiment, the side-blown smelting and the side-blown converting can be integrated in one device, so as to realize the integrated continuous copper smelting by double side blowing, firstly, the copper concentrate and the oxygen-enriched air blown into the side surface are subjected to smelting reaction in the smelting area to generate copper matte, and then the oxygen-enriched air is continuously blown into the converting area to convert the copper matte into blister copper; the copper matte does not need a chute and a crane for transferring or is sent to a converting furnace after water quenching and solidification, the process can be shortened, the investment is reduced, the energy consumption is saved, and SO is avoided2Leakage and pollution.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (8)

1. The integrated continuous copper smelting device is characterized by comprising a smelting area and a converting area, wherein the smelting area and the converting area are separated by a partition wall, the lower part of the partition wall is provided with a hole, and the smelting area is communicated with the converting area through the hole;
a smelting slag chamber is arranged in the smelting zone, a smelting feed inlet is arranged above the smelting zone, an converting slag chamber is arranged in the converting zone, and a converting feed inlet is arranged above the converting zone;
three layers of melt are arranged in the smelting zone from top to bottom, and sequentially comprise a smelting zone slag layer, a smelting zone copper matte layer and a rough copper layer;
three layers of melt are arranged in the converting area from top to bottom, namely a slag layer in the converting area, a copper matte layer in the converting area and the coarse copper layer in sequence;
the smelting zone is provided with a first air drum inlet and a second air drum inlet, the height of the second air drum inlet is greater than that of the first air drum inlet, primary oxygen-enriched air is blown into the slag layer of the smelting zone through the first air drum inlet, and secondary oxygen-enriched air or atmospheric air is blown into the upper gas phase space of the smelting zone through the second air drum inlet;
the converting zone is provided with a converting zone air blowing inlet, and primary oxygen-enriched air is blown into the converting zone copper matte layer through the converting zone air blowing inlet.
2. The integrated continuous copper smelting device according to claim 1, wherein the number of the first air drum inlet, the second air drum inlet and the blowing zone air drum inlet is plural.
3. The integrated continuous copper smelting apparatus according to claim 1 or 2, wherein a plurality of the first air inlet ports are arranged side by side, a plurality of the second air inlet ports are arranged side by side, and a plurality of the converting zone air inlet ports are arranged side by side.
4. The integrated continuous copper smelting device according to claim 1, wherein the smelting zone is provided with a smelting zone flue, and the converting zone is provided with a converting zone flue.
5. The integrated continuous copper smelter according to claim 1, wherein the smelting zone is provided with a smelting zone slag discharge and the converting zone is provided with a converting zone slag discharge.
6. The integrated continuous copper smelting device according to claim 1, wherein the converting zone is provided with siphon raw copper discharge ports, and the smelting zone and the converting zone are provided with at least 1 safety discharge port.
7. The integrated continuous copper smelting device according to claim 1, wherein the thickness of the slag layer in the smelting zone is 1000-1700mm, the thickness of the slag layer in the converting zone is 300-1000mm, and the height of the slag surface of the slag layer in the smelting zone is higher than that of the slag layer in the converting zone.
8. The integrated continuous copper smelting device according to claim 7, wherein the thickness of the smelting zone copper matte layer is 300-1000mm, the thickness of the converting zone copper matte layer is 500-1300mm, and the height of the copper matte surface of the smelting zone copper matte layer is lower than that of the converting zone copper matte layer; the thickness of the coarse copper layer is 200-800 mm.
CN202021819220.4U 2020-08-26 2020-08-26 Integrated continuous copper smelting device Active CN212357350U (en)

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Application Number Priority Date Filing Date Title
CN202021819220.4U CN212357350U (en) 2020-08-26 2020-08-26 Integrated continuous copper smelting device

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Application Number Priority Date Filing Date Title
CN202021819220.4U CN212357350U (en) 2020-08-26 2020-08-26 Integrated continuous copper smelting device

Publications (1)

Publication Number Publication Date
CN212357350U true CN212357350U (en) 2021-01-15

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Application Number Title Priority Date Filing Date
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