CN109593970B - Bottom blowing smelting, closed blowing and anode refining triple blowing device - Google Patents

Bottom blowing smelting, closed blowing and anode refining triple blowing device Download PDF

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Publication number
CN109593970B
CN109593970B CN201710916897.6A CN201710916897A CN109593970B CN 109593970 B CN109593970 B CN 109593970B CN 201710916897 A CN201710916897 A CN 201710916897A CN 109593970 B CN109593970 B CN 109593970B
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China
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furnace
blowing
chute
anode
converting
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CN109593970A (en
Inventor
张体富
孔德颂
戚永辉
陈全坤
杨应宝
夏跃彪
孔祥玉
段亚明
晏滔
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Yimen Copper Co ltd
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Yimen Copper Co ltd
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B15/00Obtaining copper
    • C22B15/0026Pyrometallurgy
    • C22B15/006Pyrometallurgy working up of molten copper, e.g. refining
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B15/00Obtaining copper
    • C22B15/0026Pyrometallurgy
    • C22B15/0028Smelting or converting
    • C22B15/005Smelting or converting in a succession of furnaces

Abstract

The invention discloses a bottom blowing smelting, closed converting and anode refining triple blowing device, which comprises a bottom blowing furnace body, a matte chute, a closed converting furnace body, a blister copper chute, an anode furnace body, a matte chute support frame and a blister copper chute support frame, wherein the blister copper chute support frame is arranged on the bottom blowing furnace body; the bottom blowing furnace body is connected with the inclined plane of the closed converting furnace body through a copper matte chute, and the copper matte chute is arranged at the upper end of the copper matte chute support frame; the blister copper chute support frame is arranged between the closed converting furnace body and the anode furnace body, and the blister copper chute is arranged at the upper end; the inclined plane of the crude copper chute is connected with the closed converting furnace body and the anode furnace body. The invention adopts the chute to connect smelting, converting and fire refining equipment together, and the product enters the metallurgical equipment of the next procedure through the chute; the traditional method of hoisting the melt by using a metallurgical crane is eliminated, wherein the bottom blowing furnace, the closed converting furnace and the rotary anode furnace all belong to horizontal rotatable furnace types, and a transmission device is arranged in a matched manner; the device has simple structure and convenient use.

Description

Bottom blowing smelting, closed blowing and anode refining triple blowing device
Technical Field
The invention relates to the field of machinery, in particular to a bottom blowing smelting, closed blowing and anode refining triple blowing device.
Background
With the continuous progress of copper smelting technology, copper smelting process methods are more and more mature. In order to reduce the cost and improve the benefit, the copper smelting method with excellent technical and economic indexes, good operating environment and high automation degree is favored by more and more copper smelting manufacturers. The oxygen-enriched bottom-blowing molten pool copper smelting technology is used as a 'new star' of the copper smelting technology, and becomes a first choice for newly building or technically improving a plurality of copper smelting plants by the characteristics of simple operation, short flow, low energy consumption, low operation cost, strong raw material adaptability and the like; as the converter converting technology has long development time, the converter converting technology is used as a mature matte converting process, the production organization is flexible, the quality of a crude copper product is good, and most copper smelting plants still adopt the converter converting technology to produce the crude copper. Therefore, more copper smelting plants adopt the process of 'oxygen-enriched bottom blowing molten pool smelting and converter blowing' to produce blister copper, but the process configuration is discontinuous blowing at present, matte produced by the bottom blowing furnace is conveyed into the converter for blowing by a travelling crane, produced blister copper and converter slag are cast or transported by the travelling crane, SO2 smoke is seriously overflowed in the travelling crane lifting process and when the converter is rotated in and out, and the travelling crane lifting high-temperature melt has great potential safety hazard.
Disclosure of Invention
The invention aims to solve the technical problem of providing a bottom blowing smelting, closed blowing and anode refining triple blowing device, wherein smelting, blowing and fire refining equipment are connected together by adopting a chute, and a product enters the metallurgical equipment of the next procedure through the chute; the traditional method for hoisting the melt by using a metallurgical crane is eliminated, wherein the bottom blowing furnace, the closed converting furnace and the rotary anode furnace all belong to horizontal rotatable furnace types, and a transmission device is arranged in a matched manner.
In order to solve the technical problems, the invention provides a bottom blowing smelting, closed converting and anode refining triple-link blowing device which comprises a bottom blowing furnace body, a matte chute, a closed converting furnace body, a blister copper chute, an anode furnace body, a matte chute support frame and a blister copper chute support frame; the matte chute support frame is arranged between the bottom-blowing furnace body and the closed converting furnace body; the bottom blowing furnace body is connected with the inclined plane of the closed converting furnace body through a copper matte chute, and the copper matte chute is arranged at the upper end of a copper matte chute supporting frame; the two closed converting furnace bodies are arranged on the two sides of the bottom blowing furnace body respectively; the bottom blowing furnace body comprises a bottom blowing furnace slag hole, an auxiliary burner, a rolling ring, a gear ring, a bottom blowing furnace smoke outlet, a temperature measuring hole, a charging hole, a main burner, a smelting furnace copper discharging hole, an oxygen lance, a bottom blowing furnace base, a bottom blowing furnace transmission base, a transmission device and a riding wheel; the riding wheels comprise a first riding wheel, a second riding wheel and a third riding wheel; the first riding wheels are arranged at the upper end of the base of the bottom blowing furnace and are arranged at the left side and the right side of the body of the bottom blowing furnace; the transmission base is arranged on the side of the base of the bottom blowing furnace; the transmission device comprises a first transmission device, a second transmission device and a third transmission device; the first transmission device is arranged at the upper end of the transmission base of the bottom blowing furnace; the rolling rings comprise a first rolling ring, a second rolling ring and a third rolling ring; the first rolling ring is arranged at the upper end of the first riding wheel and is arranged at the left side and the right side of the bottom blowing furnace body; the gears comprise a first gear, a second gear and a third gear; the first gear is arranged on the outer side of the bottom blowing furnace body and matched with the first transmission device; the bottom blowing furnace slag hole and the auxiliary burner are arranged on the left side of the bottom blowing furnace body, and the main burner is arranged on the right side and is symmetrical to the auxiliary burner; the bottom-blowing furnace smoke outlet, the temperature measuring hole, the measuring hole and the charging hole are arranged at the upper end of the bottom-blowing furnace body, and the oxygen lance corresponds to the charging hole; the smelting furnace copper discharging port is arranged at the lower end of the right side of the bottom blowing furnace body; the closed converting furnace body comprises a matte adding port, a flux adding port, a wind hole, a converting furnace slag discharging port, a converting furnace copper discharging port, a barrel brick, a converting furnace base and a converting furnace transmission base; the converting furnace base is arranged on the left side and the right side of the sealed converting furnace body, and the converting furnace transmission base is arranged on the left side; the second riding wheel is arranged at the upper end of the converting furnace base; the second rolling rings are arranged on the left outer side and the right outer side of the sealed converting furnace body and are arranged at the upper ends of the second riding wheels; the second transmission device is arranged at the upper end of the transmission base of the converting furnace and is matched with the second gear; the second gear is arranged on the outer side of the sealed converting furnace body; the copper matte feeding port is arranged at the upper end of the left side of the closed converting furnace body and is matched with the copper matte chute; the flux feeding port and the converting furnace slag tap are arranged at the upper end of the sealed converting furnace body, and the converting furnace copper tap is arranged at the lower end of the right side; the barrel bricks are arranged on the periphery of the inner side of the sealed converting furnace body; the wind holes are arranged on the side of the sealed converting furnace body in a linear arrangement; the crude copper chute support frame is arranged between the closed converting furnace body and the anode furnace body, and the crude copper chute is arranged at the upper end; the inclined plane of the crude copper chute is connected with the closed converting furnace body and the anode furnace body, and the anode furnace body is arranged on two sides; the anode furnace body comprises an anode furnace feed inlet, an anode furnace slag discharge port, an anode furnace copper discharge port, an anode furnace oxidation reduction port, a combustion port, an anode furnace transmission base and an anode furnace base; the third riding wheels are arranged at the upper end of the anode furnace base and are arranged at the left side and the right side of the anode furnace body; the third rolling rings are arranged on the left outer side and the right outer side of the anode furnace body and are arranged at the upper ends of the third supporting wheels; the third transmission device is arranged at the upper end of the transmission base of the anode furnace and is matched with the third gear; the third gear is arranged on the outer side of the anode furnace body; the feeding hole of the anode furnace is arranged on the left side of the anode furnace body and is matched with the raw copper chute; the anode furnace slag tap and the burner port are arranged at the upper end of the anode furnace body, and the anode furnace oxidation reduction port is arranged at the lower end of the anode furnace body; the copper discharging port of the anode furnace is arranged at the lower end of the right side of the anode furnace body.
Preferably, the transmission device comprises a speed reducer, a motor and a band-type brake;
the motor is arranged on the left side of the speed reducer, and a rotating shaft of the motor is connected with an input shaft of the speed reducer through a connecting sleeve;
the band-type brake is arranged at the upper end of a connecting sleeve of the motor rotating shaft and the input shaft of the speed reducer;
the output shaft of the speed reducer is connected with a gear, and the gear is meshed with the gear ring.
Preferably, the copper matte chute is of a U-shaped structure.
Preferably, the lower end of the copper matte chute is provided with a cooling water pipe.
Preferably, the blister copper chute is of a U-shaped structure.
Preferably, the lower end of the blister copper chute is provided with a cooling water pipe.
Preferably, the inclined plane of the copper matte chute is twelve degrees to fifteen degrees.
Preferably, the inclined plane of the blister copper chute is twelve degrees to fifteen degrees.
Preferably, the cylinder brick comprises a matte dropping point cylinder brick and a common cylinder brick;
the matte falling point cylinder brick is thicker than a common cylinder brick and is built by adopting large bricks.
By adopting the technical scheme, the bottom-blowing furnace body provided by the invention is connected with the inclined plane of the closed converting furnace body through the copper matte chute, and the copper matte chute is arranged at the upper end of the copper matte chute support frame; the blister copper chute support frame is arranged between the closed converting furnace body and the anode furnace body, and the blister copper chute is arranged at the upper end; the inclined plane of the blister copper chute is connected with the sealed converting furnace body and the anode furnace body. The invention does not need the working procedures of the bottom blowing furnace body, the closed converting furnace body and the anode furnace body as the traditional smelting device in the using process. The device is provided with 1 (set of) oxygen-enriched bottom-blown molten pool smelting furnace, 2 (set of) closed converting furnaces and 2 (set of) rotary anode furnaces; the adopted operating system is as follows: the bottom blowing furnace continuously produces the copper matte and the furnace slag, and the copper matte and the furnace slag are regularly discharged; 2, carrying out furnace exchange operation on the converting furnaces; 2 anode furnaces also perform furnace exchange operation;
1. the main equipment of bottom-blowing furnace body process is oxygen-enriched bottom-blowing molten pool smelting furnace and matte chute, bottom-blowing furnace body process is responsible for taking place the smelting reaction with oxygen with the mixed copper concentrate and auxiliary material that add from the bottom-blowing furnace roof and produce copper-containing 70-75% matte and copper-containing 2.5-3.5% smelting slag, the matte of output flows into airtight converting furnace body from the headwall through the matte chute, the slag package is sent into slow cooling slag separation system for the smelting slag, the matte chute stretches into in the converting furnace during the converting furnace feeding, converting in-process chute returns.
2. The main equipment of the process of the closed converting furnace body comprises the closed converting furnace body and a blister copper chute, the converting process is responsible for converting matte obtained in the smelting process into blister copper with the copper-containing grade of 98.5%, the produced blister copper flows into the anode furnace body from a feed inlet of the anode furnace through the blister copper chute, and converting slag is sent into a slow cooling slag separation system through a slag ladle.
3. The main equipment of the anode refining process comprises an anode furnace body, an anode copper chute and a disc casting machine, wherein the anode refining process is used for carrying out fire refining on crude copper obtained by blowing to obtain anode copper with the copper content of 99.5%, and the produced anode copper flows into the disc casting machine through the anode copper chute to be cast to obtain a copper anode plate; the device is convenient to use.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. Preferred embodiments of the present invention are shown in the drawings. This 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. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention is further illustrated with reference to the figures and examples.
As shown in fig. 1 and 2, a bottom blowing smelting, closed converting and anode refining triple continuous blowing device comprises a bottom blowing furnace body 101, a matte chute 102, a closed converting furnace body 103, a blister copper chute 104, an anode furnace body 105, a matte chute support frame 106 and a blister copper chute support frame 107;
the matte chute support frame 106 is arranged between the bottom-blowing furnace body 101 and the closed converting furnace body 103;
the bottom blowing furnace body 101 is connected with an inclined plane of the closed converting furnace body 103 through a copper matte chute 102, and the copper matte chute 102 is arranged at the upper end of a copper matte chute support frame 106;
two sealed converting furnace bodies 103 are arranged and are respectively arranged at two sides of the bottom-blowing furnace body 101;
the bottom-blowing furnace body 101 comprises a bottom-blowing furnace slag hole 201, an auxiliary burner 202, a rolling ring 203, a gear ring 204, a bottom-blowing furnace smoke outlet 205, a temperature measuring hole 206, a measuring hole 207, a charging hole 208, a main burner 209, a smelting furnace copper discharging hole 210, an oxygen lance 211, a bottom-blowing furnace base 212, a bottom-blowing furnace transmission base 213, a transmission device 214 and a riding wheel 215;
the riding wheels 215 comprise a first riding wheel, a second riding wheel and a third riding wheel;
the first riding wheels are arranged at the upper end of the bottom blowing furnace base 212 and are arranged at the left side and the right side of the bottom blowing furnace body 101;
the bottom-blowing furnace transmission base 213 is arranged at the side of the bottom-blowing furnace base 212;
the transmission 214 includes a first transmission, a second transmission, a third transmission;
the first transmission device is arranged at the upper end of a transmission base 213 of the bottom blowing furnace;
the rolling ring 203 comprises a first rolling ring, a second rolling ring and a third rolling ring;
the first rolling ring is arranged at the upper end of the first riding wheel and is arranged at the left side and the right side of the bottom blowing furnace body 101;
the gears 204 include a first gear, a second gear, and a third gear;
the first gear is arranged on the outer side of the bottom blowing furnace body 101 and matched with the first transmission device;
the bottom blowing furnace slag hole 201 and the auxiliary burner 202 are arranged on the left side of the bottom blowing furnace body 101, and the main burner 209 is arranged on the right side and is symmetrical to the auxiliary burner 202;
the smoke outlet 205, the temperature measuring hole 206, the measuring hole 207 and the charging hole 208 of the bottom-blowing furnace are arranged at the upper end of the bottom-blowing furnace body 101, and the oxygen lance 211 corresponds to the charging hole 208;
the smelting furnace copper discharging port 210 is arranged at the lower end of the right side of the bottom blowing furnace body 101;
the sealed converting furnace body 103 comprises a matte adding port 301, a flux adding port 302, a wind eye 303, a converting furnace slag tap 304, a converting furnace copper tap 305, a barrel brick 306, a converting furnace base 307 and a converting furnace transmission base 308;
the converting furnace bases 307 are arranged on the left side and the right side of the sealed converting furnace body 103, and the converting furnace transmission bases 308 are arranged on the left side;
the second riding wheel is arranged at the upper end of a converting furnace base 307;
the second rolling rings are arranged on the left and right outer sides of the sealed converting furnace body 103 and are arranged at the upper ends of the second riding wheels;
the second transmission device is arranged at the upper end of the converting furnace transmission base 308 and is matched with the second gear;
the second gear is arranged on the outer side of the sealed converting furnace body 103;
the matte feeding port 301 is arranged at the upper end of the left side of the closed converting furnace body 103 and is matched with the matte chute 102;
the flux inlet 302 and the converting furnace slag tap 304 are arranged at the upper end of the sealed converting furnace body 103, and the converting furnace copper tap 305 is arranged at the lower end of the right side;
the barrel bricks 306 are arranged on the periphery of the inner side of the sealed converting furnace body 103;
the wind holes 303 are arranged on the side of the sealed converting furnace body 103 in a linear way;
the raw copper chute support frame 107 is arranged between the closed converting furnace body 103 and the anode furnace body 105, and the raw copper chute 104 is arranged at the upper end;
the crude copper chute 104 is connected with the closed converting furnace body 103 and the anode furnace body 105 in an inclined plane, and the anode furnace body 105 is arranged on two sides;
the anode furnace body 105 comprises an anode furnace feed inlet 401, an anode furnace slag tap 402, an anode furnace copper tap 403, an anode furnace oxidation and reduction port 405, a combustion port 404, an anode furnace transmission pedestal 406 and an anode furnace pedestal 407;
the third riding wheels are arranged at the upper end of the anode furnace base 407 and are arranged at the left side and the right side of the anode furnace body 105;
the third rolling rings are arranged on the left outer side and the right outer side of the anode furnace body 105 and are arranged at the upper end of the third riding wheel;
the third transmission device is arranged at the upper end of the anode furnace transmission base 406 and is matched with the third gear;
the third gear is arranged on the outer side of the anode furnace body 105;
the anode furnace feed inlet 401 is arranged at the upper end of the left side of the anode furnace body 105 and is matched with the blister copper chute 104;
the anode furnace slag tap 402 is arranged at the upper end of the anode furnace body, the burner port 404 is arranged at the upper end of the right side of the anode furnace body 105, and the anode furnace oxidation and reduction port 405 is arranged at the lower end of the anode furnace body 105;
the anode furnace copper discharging port 403 is arranged at the lower end of the right side of the anode furnace body 105.
Preferably, the transmission 214 includes a speed reducer, a motor, and a band-type brake;
the motor is arranged on the left side of the speed reducer, and a rotating shaft of the motor is connected with an input shaft of the speed reducer through a connecting sleeve;
the band-type brake is arranged at the upper end of a connecting sleeve of the motor rotating shaft and the input shaft of the speed reducer;
the reducer output shaft is connected with a gear, and the gear is meshed with the gear ring.
Preferably, the matte chute 102 is U-shaped to facilitate entry.
Preferably, the lower end of the copper matte chute 102 is provided with a cooling water pipe.
Preferably, the blister copper chute 104 is U-shaped to facilitate the flow.
Preferably, the lower end of the blister copper chute 104 is provided with a cooling water pipe.
Preferably, the inclined plane of the copper matte chute 102 is twelve to fifteen degrees, so that the copper matte in the bottom blowing furnace body can conveniently flow into the closed converting furnace body in the production process.
Preferably, the inclined plane of the blister copper chute 104 is twelve to fifteen degrees, so that blister copper in the closed converting body can conveniently flow into the anode furnace body in the production process.
Preferably, the barrel brick 306 comprises a matte placement barrel brick and a common barrel brick;
the matte falling point cylinder brick is thicker than the common cylinder brick and is built by adopting big bricks.
When in use: bottom blowing furnace body, closed converting furnace body and anode furnace body. The device is provided with 1 (set of) oxygen-enriched bottom-blown molten pool smelting furnace, 2 (set of) closed converting furnaces and 2 (set of) rotary anode furnaces; the adopted operating system is as follows: the bottom blowing furnace continuously produces the copper matte and the furnace slag, and the copper matte and the furnace slag are regularly discharged; 2, carrying out furnace exchange operation on the converting furnaces; 2 anode furnaces also perform furnace exchange operation;
1. the main equipment of bottom-blowing furnace body process is oxygen-enriched bottom-blowing molten pool smelting furnace and matte chute, bottom-blowing furnace body process is responsible for taking place the smelting reaction with oxygen with the mixed copper concentrate and auxiliary material that add from the bottom-blowing furnace roof and produce copper-containing 70-75% matte and copper-containing 2.5-3.5% smelting slag, the matte of output flows into airtight converting furnace body from the headwall through the matte chute, the slag package is sent into slow cooling slag separation system for the smelting slag, the matte chute stretches into in the converting furnace during the converting furnace feeding, converting in-process chute returns.
2. The main equipment of the process of the closed converting furnace body comprises the closed converting furnace body and a blister copper chute, the converting process is responsible for converting matte obtained in the smelting process into blister copper with the copper-containing grade of 98.5%, the produced blister copper flows into the anode furnace body from a smoke outlet of the anode furnace through the blister copper chute, and converting slag is sent into a slow cooling slag separation system through a slag ladle.
3. The main equipment of the anode refining process comprises an anode furnace body and a crude copper chute, wherein the anode refining process is used for carrying out fire refining on crude copper obtained by blowing to obtain anode copper with the copper content of 99.5%, and the produced anode copper flows into a disc casting machine through the anode copper chute to be cast to obtain a copper anode plate; the device is convenient to use.
The bottom blowing smelting adopts an oxygen-enriched bottom blowing molten pool smelting process, a bottom blowing furnace body is a traditional bottom blowing smelting furnace, the bottom blowing furnace body is static in the production process, and an oxygen lance can be exposed out of the liquid level because the furnace body is rotated by a transmission device when equipment fails or is overhauled; the furnace body is provided with a corresponding charging hole, a smoke outlet, an oxygen lance, an ice copper discharging hole, a slag discharging hole, a main burner, an auxiliary burner, a measuring hole and a temperature measuring hole, the size and the position of each opening are realized according to the process requirements, and high-grade copper matte containing 70-72% of copper produced by bottom blowing smelting is discharged from the ice copper discharging hole and enters a converting furnace for production through a copper matte chute; because the bottom blowing furnace periodically rotates out for maintenance, the copper matte tapping water jacket extends out of the end wall of the furnace body by a certain size, so that hot matte is ensured to smoothly flow through the matte chute, and the bottom of the copper tapping water jacket has a certain height difference from the bottom of the matte chute, so that the furnace body is prevented from colliding with the chute when rotating.
The copper matte chute is a key device for connecting the bottom blowing furnace body and the closed converting furnace body, and passes through a copper matte chute support frame, the copper matte chute, a circulating water cooling part and a heat preservation device; carrying out accounting design on the supporting frame of the copper matte chute according to the weight of the copper matte chute, and simultaneously considering the stability of the supporting; the copper matte chute adopts a copper water jacket chute, a chute cooling water pipeline is arranged according to cooling effect calculation, the cross section of the chute is in a U shape and can be manufactured in a segmented mode according to the total length of the chute, the chutes at all the segments are connected through bolts, and the chute falls on a base supported by a steel structure to be fixed; in order to ensure that the copper matte smoothly flows into the closed converting furnace through the chute, the chute is arranged at an angle of 12-15 degrees with the horizontal plane and is positioned at a high position close to the end of the bottom blowing furnace body; because end-blown converter body and airtight converting furnace body all need rotate, the matte chute is close to end-blown converter section and need keep certain difference in height apart from end-blown converter blowing copper mouth, hit the matte chute when preventing that end-blown converter from rotating, the matte chute is close to airtight converting furnace section and needs to possess the removal function, the back end chute stretches into converting furnace body feed inlet during airtight converting furnace feeding, the feeding finishes and rolls back, so the back end chute is separately with the anterior segment, the back end chute is located anterior segment chute below, parallel with it, and set up corresponding mobile device. The cooling of copper matte chute adopts soft water cooling, sets up cooling circulation water system, includes: produce water equipment, water tank, circulating pump, circulating water pipeline and the valve that corresponds, the soft water of producing water equipment output is stored at the water tank, and the pipeline links together circulating pump and matte chute, accomplishes circulative cooling along pipeline to the chute with the water of water tank by the circulating pump. The heat preservation device is used for preserving heat of the copper matte when the copper matte is discharged, and comprises a steel cover plate, a natural gas burner, a natural gas pipeline and a corresponding valve, wherein the steel cover plate is provided with heat preservation cotton; the natural gas burner is arranged at the edge of the upper opening of the chute, the burner is aligned to the middle part of the U-shaped section of the chute, the burner is connected with a natural gas source through a natural gas pipeline and a valve, and if the matte temperature is too low, the chute is seriously encrusted, the valve is opened, and the natural gas is used for preserving the heat of the matte. When the chute is used, crusts with certain thickness are generated on the surface, and the crusts are cleaned after copper matte is discharged every time.
The copper matte feeding port, the cold charge feeding port and the air hole of the closed converting furnace body are positioned at one end, and belong to a reaction zone during production, the smoke outlet of the converting furnace, the copper discharging port of the converting furnace and the slag discharging port of the converting furnace are positioned at the other end, and belong to a clarification zone during production. The device comprises a copper matte feeding port, a bottom blowing furnace and a closed converting furnace body, wherein the copper matte feeding port is arranged at the position of the end wall of the furnace body and adopts a steel shell lining refractory brick sleeve structure, a steel shell is welded with the furnace body, the feeding port is closed in the converting process, barrel bricks in the copper matte falling point area are easy to erode and corrode during feeding, and the length of refractory bricks in the area is thicker than that of barrel bricks in other areas and is built by big bricks; the flux inlet is used for adding cold materials and the flux, the flux inlet is opposite to the reaction area, a steel shell lining molten steel sleeve structure is adopted, the water jacket is of an annular structure, the water jacket is connected with the steel shell (water jacket base) through a flange, and the steel shell is welded with the furnace body; the smoke outlet is a channel for converting smoke in the converting process, a steel shell lining water jacket structure is adopted, when viewed from top to bottom, the water jacket is of a square structure, the steel shell (water jacket base) and the converting furnace body are welded together, the four water jackets are internally tightly attached to the base to form the square structure, and the water jacket is connected with the base through a flange; the wind eye is formed by configuring a wind eye structure by adopting a converter; the converting furnace copper discharge port is used for discharging crude copper produced by converting, the converting furnace copper discharge port is of a water jacket structure, the water jacket base on the outermost layer is of a steel shell structure, the water jacket base is welded with the closed converting furnace body, the lining copper water jacket is tightly attached to the steel shell and connected with the steel shell and the water jacket through flanges, and the inner side of the copper water jacket is provided with a refractory brick which is directly contacted with a melt; the converting furnace slag tap is used for discharging converting slag, the converting furnace slag tap is of a water jacket structure, the water jacket base on the outermost layer is of a steel shell structure, the base is welded with the furnace body, the lining copper water jacket is tightly attached to the steel shell and connected with the steel shell and the steel shell through a flange, refractory bricks are arranged on the inner side of the copper water jacket, and the refractory bricks are directly contacted with a melt. The flux feeding port, the converting furnace copper discharging port, the converting furnace slag discharging port and the converting furnace smoke outlet of the sealed converting furnace body are all of water jacket structures, and soft water is used for circulating cooling and can be connected with a matte chute cooling system to complete circulating cooling. The air quantity, the air pressure, the water quantity, the water pressure, the water temperature and other data to be monitored of the closed converting furnace are collected and enter a control system for monitoring and controlling, and meanwhile, required interlocking control is set.
The blister copper chute is a key device for connecting the closed converting furnace body and the anode furnace body, and comprises a blister copper chute support frame, a blister copper chute, a circulating water cooling part and a heat preservation device; the structure of the blister copper chute is the same as that of the matte chute, the blister copper chute is of a copper water jacket structure, the heat preservation device and the operation system are similar, and meanwhile, the blister copper chute is arranged at an elevation angle of 12-15 degrees, the blister copper chute does not need to be moved and stretched, all the sections are arranged on one plane, and the rest are configured according to the matte chute.
The crude copper produced by the closed converting furnace body enters the anode furnace from the feeding hole of the anode furnace through the chute; the anode copper chute is a steel shell lining refractory prefabricated part.
The invention adopts the chute to connect smelting, converting and fire refining equipment together, and the product enters the metallurgical equipment of the next procedure through the chute; the traditional method of hoisting the melt by using a metallurgical crane is eliminated, wherein the bottom blowing furnace, the closed converting furnace and the rotary anode furnace all belong to horizontal rotatable furnace types, and a transmission device is arranged in a matched manner; the device has simple structure and convenient use.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.

Claims (8)

1. A bottom blowing smelting, closed converting and anode refining triple blowing device is characterized by comprising a bottom blowing furnace body, a matte chute, a closed converting furnace body, a blister copper chute, an anode furnace body, a matte chute support frame and a blister copper chute support frame;
the matte chute support frame is arranged between the bottom-blowing furnace body and the closed converting furnace body;
a cooling water pipe is arranged at the lower end of the matte chute;
the copper matte chute is divided into a front section and a rear section, the rear section chute is positioned below the front section chute and is parallel to the front section chute, and the rear section chute is connected with a moving device;
the bottom blowing furnace body is connected with the inclined plane of the closed converting furnace body through a copper matte chute, and the copper matte chute is arranged at the upper end of a copper matte chute supporting frame;
the two closed converting furnace bodies are arranged on the two sides of the bottom blowing furnace body respectively;
the bottom blowing furnace body comprises a bottom blowing furnace slag hole, an auxiliary burner, a rolling ring, a gear ring, a bottom blowing furnace smoke outlet, a temperature measuring hole, a charging hole, a main burner, a smelting furnace copper discharging hole, an oxygen lance, a bottom blowing furnace base, a bottom blowing furnace transmission base, a transmission device and a riding wheel;
the riding wheels comprise a first riding wheel, a second riding wheel and a third riding wheel;
the first riding wheels are arranged at the upper end of the base of the bottom blowing furnace and are arranged at the left side and the right side of the body of the bottom blowing furnace;
the transmission base is arranged on the side of the base of the bottom blowing furnace;
the transmission device comprises a first transmission device, a second transmission device and a third transmission device;
the first transmission device is arranged at the upper end of the transmission base of the bottom blowing furnace;
the rolling rings comprise a first rolling ring, a second rolling ring and a third rolling ring;
the first rolling ring is arranged at the upper end of the first riding wheel and is arranged at the left side and the right side of the bottom blowing furnace body;
the gears comprise a first gear, a second gear and a third gear;
the first gear is arranged on the outer side of the bottom blowing furnace body and matched with the first transmission device;
the first gear is meshed with the gear ring, and the bottom blowing furnace body rotates due to faults or periodic maintenance;
the bottom blowing furnace slag hole and the auxiliary burner are arranged on the left side of the bottom blowing furnace body, and the main burner is arranged on the right side and is symmetrical to the auxiliary burner;
the bottom-blowing furnace smoke outlet, the temperature measuring hole, the measuring hole and the charging hole are arranged at the upper end of the bottom-blowing furnace body, and the oxygen lance corresponds to the charging hole;
the smelting furnace copper discharging port is arranged at the lower end of the right side of the bottom blowing furnace body;
the closed converting furnace body comprises a matte adding port, a flux adding port, a wind hole, a converting furnace slag discharging port, a converting furnace copper discharging port, a barrel brick, a converting furnace base and a converting transmission furnace base;
the converting furnace base is arranged on the left side and the right side of the sealed converting furnace body, and the converting furnace transmission base is arranged on the left side;
the second riding wheel is arranged at the upper end of the converting furnace base;
the second rolling rings are arranged on the left outer side and the right outer side of the sealed converting furnace body and are arranged at the upper ends of the second riding wheels;
the second transmission device is arranged at the upper end of the transmission base of the converting furnace and is matched with the second gear;
the second gear is arranged on the outer side of the sealed converting furnace body;
the copper matte feeding port is arranged at the upper end of the left side of the closed converting furnace body and is matched with the copper matte chute;
the flux feeding port and the converting furnace slag tap are arranged at the upper end of the sealed converting furnace body, and the converting furnace copper tap is arranged at the lower end of the right side;
the barrel bricks are arranged on the periphery of the inner side of the sealed converting furnace body;
the wind holes are arranged on the side of the sealed converting furnace body in a linear arrangement;
the crude copper chute support frame is arranged between the closed converting furnace body and the anode furnace body, and the crude copper chute is arranged at the upper end;
the inclined plane of the crude copper chute is connected with the closed converting furnace body and the anode furnace body, and the anode furnace body is arranged on two sides;
the anode furnace body comprises an anode furnace feed inlet, an anode furnace slag discharge port, an anode furnace copper discharge port, an anode furnace oxidation reduction port, a combustion port, an anode furnace transmission base and an anode furnace base;
the third riding wheels are arranged at the upper end of the anode furnace base and are arranged at the left side and the right side of the anode furnace body;
the third rolling rings are arranged on the left outer side and the right outer side of the anode furnace body and are arranged at the upper ends of the third supporting wheels;
the third transmission device is arranged at the upper end of the transmission base of the anode furnace and is matched with the third gear;
the third gear is arranged on the outer side of the anode furnace body;
the feeding hole of the anode furnace is arranged on the left side of the anode furnace body and is matched with the raw copper chute;
the anode furnace slag tap and the burner port are arranged at the upper end of the anode furnace body, and the anode furnace oxidation reduction port is arranged at the lower end of the anode furnace body;
the copper discharging port of the anode furnace is arranged at the lower end of the right side of the anode furnace body.
2. The bottom-blowing smelting, closed blowing and anode refining triple blowing device according to claim 1, wherein the transmission device comprises a speed reducer, a motor and a band-type brake;
the motor is arranged on the left side of the speed reducer, and a rotating shaft of the motor is connected with an input shaft of the speed reducer through a connecting sleeve;
the band-type brake is arranged at the upper end of a connecting sleeve of the motor rotating shaft and the input shaft of the speed reducer;
the reducer output shaft is connected with a gear, and the gear is meshed with the gear ring.
3. The bottom-blowing smelting, closed blowing and anode refining triple blowing device as claimed in claim 1, wherein the matte chute is of a U-shaped structure.
4. The bottom-blowing smelting, closed blowing and anode refining triple blowing device as claimed in claim 1, wherein the blister copper chute is of a U-shaped structure.
5. The bottom-blowing smelting, closed converting and anode refining three-link blowing device as claimed in claim 1, wherein the lower end of the blister copper chute is provided with a cooling water pipe.
6. The bottom-blowing smelting, closed blowing and anode refining triple blowing device as claimed in claim 1, wherein the inclined plane of the matte chute is twelve to fifteen degrees.
7. The bottom-blowing smelting, closed converting and anode refining triple continuous blowing device of claim 1, wherein the inclined plane of the blister copper chute is twelve degrees to fifteen degrees.
8. The bottom-blowing smelting, closed blowing and anode refining triple-link blowing device as claimed in claim 1, wherein the barrel bricks comprise matte dropping point barrel bricks and general barrel bricks;
the matte falling point cylinder brick is thicker than a common cylinder brick and is built by adopting large bricks.
CN201710916897.6A 2017-09-30 2017-09-30 Bottom blowing smelting, closed blowing and anode refining triple blowing device Active CN109593970B (en)

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CN110195165A (en) * 2019-06-10 2019-09-03 烟台国润铜业有限公司 A kind of Copper making technique
CN110284007A (en) * 2019-07-30 2019-09-27 易门铜业有限公司 A kind of method raw material mixture during Copper making and smelted
CN211112153U (en) * 2019-11-04 2020-07-28 中国瑞林工程技术股份有限公司 Feeding device of anode furnace
CN110724830A (en) * 2019-11-04 2020-01-24 中国瑞林工程技术股份有限公司 Crude copper refining equipment and refining method

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CN1952189A (en) * 2006-09-08 2007-04-25 云南铜业股份有限公司 Rotary type anode furnace process technology for refining fuel coal by copper matte smelting process
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