CN210548005U - Copper rod production equipment - Google Patents
Copper rod production equipment Download PDFInfo
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- CN210548005U CN210548005U CN201920824815.XU CN201920824815U CN210548005U CN 210548005 U CN210548005 U CN 210548005U CN 201920824815 U CN201920824815 U CN 201920824815U CN 210548005 U CN210548005 U CN 210548005U
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Abstract
A copper rod production apparatus comprising: the smelting device comprises a preheating furnace, a shaft furnace, a chute and a holding furnace which are sequentially communicated, wherein: the preheating furnace is used for preheating the copper material; the shaft furnace is used for deoxidizing preheated copper materials, melting the deoxidized preheated copper materials into copper liquid, and conveying the copper liquid to a holding furnace through a chute for heat preservation; the heat preservation furnace is used for preserving heat of the copper liquid and conveying the copper liquid to the dip-coating chamber; a dip coating chamber, which is used for coating the copper liquid on the surface of the primary cast rod to generate a final cast rod; and a hot rolling device for hot rolling the final-stage cast rod to form the final-stage cast rod. The utility model discloses a copper pole production facility adopts the shaft furnace to melt copper material, and its melting rate is high, can match in real time with the required copper liquid volume of dip-coating method to can satisfy the full load production of rear end production line, improve copper pole production facility's productivity.
Description
Technical Field
The utility model relates to a copper pole production technical field, specifically speaking relates to copper pole production facility.
Background
The copper wire rod is a necessary blank for producing copper wires such as electric wires, cables, enameled wires, electronic wires and the like, and the copper wire is one of important basic materials in the industries of electronics, electricity, communication and the like.
The oxygen-free copper rod is produced by a dip-coating method, wherein an electrolytic copper plate is smelted into copper water, the copper water and copper on the surface of a moving seed rod are fused together by a thin cold pure copper core rod (or called seed rod) vertically passing through a coating chamber capable of keeping a certain liquid level by utilizing the heat absorption capacity of the cold copper rod, and are gradually solidified and combined into a thick cast rod, and then the thick cast rod is cooled, hot rolled and wound into a ring, so that the bright oxygen-free copper rod for electricians is produced.
In the prior art, an electrolytic furnace is usually adopted for a melting furnace, and the melting furnace adopts power frequency electric heating, so that the electricity consumption cost is high and the energy consumption is high. And the copper melting capability is not enough, the copper melting capacity cannot be matched with the quantity of copper rods required by the subsequent dip-coating method, the full-load production of a rear-end production line cannot be met, and the productivity is low.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, a copper rod production apparatus is provided, comprising:
the smelting device comprises a preheating furnace, a shaft furnace, a chute and a holding furnace which are sequentially communicated, wherein:
the preheating furnace is used for preheating the copper material;
the shaft furnace is used for deoxidizing preheated copper materials, melting the deoxidized preheated copper materials into copper liquid, and conveying the copper liquid to a holding furnace through a chute for heat preservation;
the heat preservation furnace is used for preserving heat of the copper liquid and conveying the copper liquid to the dip-coating chamber;
a dip coating chamber, wherein the copper liquid is coated on the surface of the primary cast rod passing through the dip coating chamber to generate a final cast rod;
and the hot rolling device is used for carrying out hot rolling treatment on the final-stage cast rod.
Preferably, the shaft furnace is a circular vertical furnace, a charging opening is arranged at the upper part of the shaft furnace, a plurality of rows of gas burners penetrating into the furnace body are arranged on the furnace body, the inner lining of the shaft furnace is a silicon carbide layer, and refractory bricks and heat-insulating refractory materials are filled between the silicon carbide layer and the outer shell of the shaft furnace.
Preferably, the device is also provided with a charge level height control module for monitoring the charge level height in the furnace in real time, and controlling the amount of copper material and adjusting the air-fuel ratio by using the charge level height feedback so that the charge level is maintained within the range of 1 m below the charging opening.
Preferably, the copper material comprises cathode copper.
Preferably, the device further comprises a coiling device for coiling the final cast rod after hot rolling.
Preferably, the device further comprises a stretching device, a peeling device and a conveying device which are sequentially arranged, wherein the stretching device is used for extruding and shaping the primary casting rods;
the peeling device is used for peeling the extruded and shaped primary cast rod;
the conveying device is used for conveying copper scraps generated by the peeling device to the smelting device.
Preferably, a blow-drying device is further included for blowing off the cooling liquid sprayed on the final cast rod during the hot rolling.
Preferably, the device further comprises a wire drawing device, wherein the wire drawing device is used for performing wire drawing treatment on the final cast rod wound into a ring.
Preferably, the dip-coating chamber comprises:
the shell comprises a shell body and a coil, wherein the shell body is a hollow cylindrical body with an opening at the upper part, and the coil spirally extends along the axis direction of the inner circumference of the shell body and is embedded in the shell body;
a frame fixed around the outside of the housing;
the copper liquid containing part is a hollow cylinder with a closed lower part and an open upper part, and is concentrically arranged in the inner periphery of the shell, wherein a flow passage for copper liquid to flow into the container extends to penetrate through the shell part and the side wall of the container, and a through hole for primary casting rods to penetrate through is arranged at the bottom of the copper liquid containing part.
Preferably, the outer side of the cross section of the shell is polygonal, the inner side of the cross section of the shell is circular, the frame comprises a plurality of upright posts and a plurality of groups of cross bars, and each group of cross bars is sequentially connected with each upright post to form a shape consistent with the polygonal shape of the outer side of the shell.
The utility model discloses a copper pole production facility adopts the shaft furnace to melt copper material, and its melting rate is high, can match in real time with the required copper liquid volume of dip-coating method to can satisfy the full load production of rear end production line, improve copper pole production facility's productivity.
Drawings
The above features and technical advantages of the present invention will become more apparent and readily appreciated from the following description of the embodiments thereof, taken in conjunction with the accompanying drawings.
FIG. 1 is a schematic view showing a copper rod production apparatus according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a dip coating chamber illustrating an embodiment of the present invention;
fig. 3 is a perspective view schematically showing a frame of a dip coating chamber according to an embodiment of the present invention.
Detailed Description
An embodiment of the copper pole production apparatus of the present invention will be described below with reference to the accompanying drawings. Those of ordinary skill in the art will recognize that the described embodiments can be modified in various different ways, or combinations thereof, without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims. Furthermore, in the present description, the drawings are not to scale and like reference numerals refer to like parts.
The copper rod production apparatus of the present embodiment is shown in fig. 1, and includes a preheating furnace 20, a shaft furnace 30, a chute 110, a holding furnace 40, a dipping chamber 50, a cooling chamber 60, and a hot rolling device 70. Wherein, the preheating furnace 20, the shaft furnace 30, the chute 110 and the holding furnace 40 are communicated in sequence. Combustible gas is introduced into the preheating furnace 20, the copper material 10 is conveyed into the preheating furnace 20 to be combusted and preheated, and attachments on the surface of the copper material 10 are burnt out. And conveying the preheated copper material to the shaft furnace in a closed manner to be melted into copper liquid. The shaft furnace is a circular vertical shaft furnace, a charging hole is formed in the upper portion of the shaft furnace, a lining of the shaft furnace is made of silicon carbide bricks, refractory bricks and heat-insulating refractory materials are arranged between the silicon carbide bricks and the steel cylinder shell, and a plurality of rows of gas burners are arranged. Combustible gas is introduced through the gas burner to burn and heat the copper material, so that the copper material is melted into copper liquid, and the copper liquid flows into the holding furnace 40 through the chute 110. Furthermore, a prepared proportion of reducing protective gas is continuously filled into the chute 110 and the holding furnace 40 to remove oxygen in the molten copper and ensure that the atmosphere of the protective gas or the reducing gas in each furnace body is stable.
The molten copper 100 from the holding furnace 40 enters the dip-coating chamber 50, and the primary casting rod goes upward into the dip-coating chamber 50, specifically, enters the dip-coating chamber 50 from the lower end of the dip-coating chamber 50, and passes out from the upper end of the dip-coating chamber 50. Wherein, the dip coating chamber can adopt a graphite crucible and has the function of heat preservation. In the process that the primary cast rod passes through the dip coating chamber 50, because of the temperature difference between the primary cast rod and the copper liquid, the primary cast rod absorbs a large amount of heat in the process of passing through the copper liquid, and the copper liquid is uniformly attached to the surface of the primary cast rod to form the final cast rod. The final cast strand enters the cooling chamber 60 and is cooled to the temperature required by the process. The cooled final-stage cast rod is introduced into a hot rolling apparatus 70, and hot rolling is performed on the final-stage cast rod.
And further, the device also comprises a looping device, and the final cast rod is coiled by the looping device to form a finished copper rod product. The hot-rolled final-stage cast rod can be coiled after sequentially passing through the blow-drying device and the flaw detection device.
In an optional embodiment, a charge level height control module is further arranged, the charge level height in the shaft furnace is monitored in real time, the charge level amount of copper is controlled and the air-fuel ratio of the shaft furnace is adjusted by utilizing charge level height feedback, so that the charge level is maintained within a range of 1 m below a charging opening, the charge level height control module comprises a liquid level meter, the liquid level meter is electrically connected with an electric control module, the electric control module is electrically connected with a charging device and a valve of a gas burner, and the electric control module controls the charging amount and the charging speed of the charging device and the air-fuel ratio of the shaft furnace according to liquid level information to ensure that the height of copper liquid in the shaft furnace is within a range of 1 m below the charging opening. The charging quantity, the charging speed and the air-fuel ratio of the shaft furnace can be executed according to an auxiliary parameter table which is set in advance, the auxiliary parameter table is internally provided with corresponding relations of the material level height, the charging quantity, the charging speed and the air-fuel ratio of the shaft furnace, and the electric control module searches numerical values in the auxiliary parameter table and executes control operation according to the numerical values.
The electronic control module is a device capable of automatically performing numerical calculation, information processing and intelligent control according to preset or stored instructions. For example, it may be a single chip or PLC, a controller, a microcontroller, a microprocessor, or other data processing chip. The electric control module is used for controlling other modules, units, liquid level meters, flow meters, valves and the like which are electrically connected with the electric control module, program codes or processing data are stored in the electric control module, and the control purpose is achieved through a built-in control program of the electric control module. For example, the electric control module is a single chip microcomputer, a charge level height comparison unit (for example, an embedded comparator, a gate circuit and the like are arranged in the single chip microcomputer, the gate circuit is in an integrated circuit form) can be connected with the single chip microcomputer through a socket, after the charge level height comparison unit obtains a charge level height signal of the liquid level meter, the charge level height comparison unit compares the charge level height signal with a set charge level height threshold value through the comparator, and the comparator generates a control instruction according to a comparison result to control the charging amount of the charging device and the valve opening of the gas burner. The material level height comparing unit can be a plug-in type hardware device, and the plug-in type hardware device is in circuit connection with the single chip microcomputer, the liquid level meter and the valve of the gas burner.
In an optional embodiment, the device further comprises a copper liquid amount matching module, and the copper liquid amount matching module is electrically connected with the electronic control module. By detecting the speed of the primary cast rod through the dip coating chamber 50, the outer diameter of the final cast rod to be manufactured and the outer diameter of the primary cast rod are known for the primary cast rod, so that the amount of copper liquid to be coated on the outer wall of the primary cast rod per unit time can be known. The electric control module controls the feeding quantity and the feeding speed of the feeding device and the air-fuel ratio of the shaft furnace in real time, and ensures that the amount of the copper liquid in the shaft furnace can meet the requirement in the coating chamber. So that the amount of copper liquid can meet the requirement of coating the outer wall of the primary casting rod.
The electric control module can be a single chip microcomputer or a PLC, and the control purpose is achieved through a control program arranged in the single chip microcomputer. The single chip microcomputer is internally provided with a copper liquid amount comparison unit and a copper liquid consumption calculation unit (such as an embedded comparator, a gate circuit and the like, wherein the gate circuit is in an integrated circuit form) which is connected with the single chip microcomputer through a socket, and the copper liquid consumption calculation unit calculates and obtains the copper liquid demand amount in unit time, which needs to be coated on the outer wall of the primary cast rod, according to the outer diameters of the primary cast rod and the final cast rod. The copper liquid quantity comparison unit obtains copper liquid flow data of an outlet of the shaft furnace, and further obtains copper liquid supply quantity in unit time, the copper liquid quantity comparison unit compares the copper liquid supply quantity in unit time with copper liquid demand quantity in unit time, and adjusts the feeding quantity of a feeding device of the shaft furnace and the opening degree of a valve of a gas burner according to a comparison result.
The copper liquid amount comparison unit and the copper liquid consumption calculation unit can be plug-in hardware equipment, and the plug-in hardware equipment is in circuit connection with the single chip microcomputer, the liquid level meter, the valve of the gas burner and the flow meter at the outlet of the shaft furnace.
And furthermore, the electric control module can be electrically connected with the outer diameter detection units of the primary cast rod and the final cast rod, so that the actual consumption of the copper liquid coated on the outer wall of the primary cast rod in unit time can be known in real time. The copper liquid amount comparison unit compares the actual consumption amount of the copper liquid per unit time with the supply amount of the copper liquid per unit time, and generates a control instruction according to the comparison result to control the valve opening of the shaft furnace outlet, the feeding amount of the feeding device and the valve opening of the gas burner.
In an alternative embodiment, the copper material comprises cathode copper mixed with copper plate, copper wire and ingot mold, the copper plate, copper wire and ingot mold being mixed in a predetermined percentage.
Further, the device comprises a stretching device 80, a peeling device 90 and a conveying device 91 which are sequentially arranged, wherein the stretching device 80 is used for extruding and shaping the primary cast rod; the peeling device 90 is used for peeling the extruded and shaped primary cast rod; the conveying device 91 is used for conveying copper scraps generated by the peeling device 90 to the smelting device.
Further, the device also comprises a blow-drying device which is used for blowing off the cooling liquid sprayed on the final casting rod in the hot rolling process.
The wire drawing device is used for carrying out wire drawing treatment on the final cast rod wound into a ring.
In an alternative embodiment, the dip coating chamber 50 comprises a housing portion comprising the housing 21 and the coil 22 from the outside inwards, and the copper liquid containing portion 4.
The shell 21 is formed by pouring refractory pouring materials, the shell 21 is of a vertically-through columnar structure, the cross section of the shell 21 is in a form of inner circle and outer circle, the inner circle and the outer circle are only one form, and the cross section of the shell 21 can be circular on the inner side and polygonal on the outer side. A coil 22 is embedded inside the case 21. The two-end terminal of the coil 22 penetrates the housing 21 to be connected to an external power supply.
A rectangular parallelepiped frame 1 is provided outside the housing 21, the lower part of the housing 21 is fixedly connected to the frame 1 through a connecting plate 6, and the frame 1 is used for supporting and stabilizing the housing 21. The coil 22, the housing 21 and the frame 1 are cast as one body with a refractory casting material. The copper liquid container 4 is a hollow cylinder having a closed lower part and an open upper part, and the copper liquid container 4 is concentrically installed in the inner periphery of the housing 21. On the side wall of the dip coating chamber 50, a flow passage 92 for allowing the copper solution to flow into the copper solution containing portion 4 is provided, and the flow passage 92 penetrates the housing 21 and the side wall of the copper solution containing portion 4 in this order from the outside. The molten copper container 4 is provided with a through hole 41 through which the primary cast rod passes.
The working process of the copper rod production equipment is described below, wherein when the furnace is empty, the furnace burden is manually stacked to the lower edge of the charging opening to prevent the furnace wall refractory materials from being damaged, and when the furnace is opened, all the burners are gradually opened until the furnace temperature reaches the process requirement. Melting begins, then the heat supply rate is increased, and the copper material sinks along with the bottom of the copper material being heated, softened and melted. And the copper liquid flows into a holding furnace through the chute, and the holding furnace is used for holding and heating the copper liquid and reducing and deoxidizing the copper liquid. The copper liquid enters the dip-coating chamber 50 from the holding furnace, the primary casting rod passes through the dip-coating chamber 50 from bottom to top, and the copper liquid can be uniformly attached to the surface of the primary casting rod to form a final casting rod. The final cast strand enters the cooling chamber 60 and is cooled to the temperature required by the process. And the cooled final-pole cast rod enters a hot rolling device 70, and the final-pole cast rod is subjected to hot rolling treatment to form a required product specification, so that a copper rod finished product is formed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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. A copper pole production facility which characterized in that includes:
the smelting device comprises a preheating furnace, a shaft furnace, a chute and a holding furnace which are sequentially communicated, wherein:
the preheating furnace is used for preheating the copper material;
the shaft furnace is used for deoxidizing preheated copper materials, melting the deoxidized preheated copper materials into copper liquid, and conveying the copper liquid to a holding furnace through a chute for heat preservation;
the heat preservation furnace is used for preserving heat of the copper liquid and conveying the copper liquid to the dip-coating chamber;
a dip coating chamber, wherein the copper liquid is coated on the surface of the primary cast rod passing through the dip coating chamber to generate a final cast rod;
and the hot rolling device is used for carrying out hot rolling treatment on the final-stage cast rod.
2. The copper bar production apparatus according to claim 1,
the shaft furnace is a circular vertical furnace, a charging opening is arranged at the upper part of the shaft furnace, a plurality of rows of gas burners penetrating into the furnace body are arranged on the furnace body, the inner lining of the shaft furnace is a silicon carbide layer, and refractory bricks and heat-insulating refractory materials are filled between the silicon carbide layer and the outer shell of the shaft furnace.
3. The copper bar production apparatus according to claim 1,
the device is also provided with a charge level height control module for monitoring the charge level height in the furnace in real time, and controlling the amount of copper materials and adjusting the air-fuel ratio by utilizing the charge level height feedback so that the charge level is maintained in the range of 1 m below the charging opening.
4. The copper bar production apparatus according to claim 1,
the copper material comprises cathode copper.
5. The copper bar production apparatus according to claim 1,
the device also comprises a coiling device for coiling the final cast rod after hot rolling.
6. The copper bar production apparatus according to claim 1,
the device also comprises a stretching device, a peeling device and a conveying device which are sequentially arranged, wherein the stretching device is used for extruding and shaping the primary cast rod;
the peeling device is used for peeling the extruded and shaped primary cast rod;
the conveying device is used for conveying copper scraps generated by the peeling device to the smelting device.
7. The copper bar production apparatus according to claim 1,
the device also comprises a blow-drying device which is used for blowing off the cooling liquid sprayed on the final-stage casting rod in the hot rolling process.
8. The copper bar production apparatus according to claim 1,
the wire drawing device is used for carrying out wire drawing treatment on the final cast rod wound into a ring.
9. The copper rod production apparatus according to claim 1, wherein the dip coating chamber includes:
the shell comprises a shell body and a coil, wherein the shell body is a hollow cylindrical body with an opening at the upper part, and the coil spirally extends along the axis direction of the inner circumference of the shell body and is embedded in the shell body;
a frame fixed around the outside of the housing;
the copper liquid containing part is a hollow cylinder with a closed lower part and an open upper part, the copper liquid containing part is concentrically arranged in the inner periphery of the shell,
the flow channel for the copper liquid to flow into the container extends through the shell part and the side wall of the container, and the bottom of the copper liquid containing part is provided with a through hole for the primary casting rod to pass through.
10. The copper bar production apparatus according to claim 9, wherein the housing cross-sectional outer side is polygonal, the housing cross-sectional inner side is circular, and,
the frame includes many stands and multiunit horizontal pole, and every group horizontal pole connects gradually each stand and forms the polygon shape unanimous with the casing outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920824815.XU CN210548005U (en) | 2019-06-03 | 2019-06-03 | Copper rod production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920824815.XU CN210548005U (en) | 2019-06-03 | 2019-06-03 | Copper rod production equipment |
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| Publication Number | Publication Date |
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| CN210548005U true CN210548005U (en) | 2020-05-19 |
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| CN201920824815.XU Active CN210548005U (en) | 2019-06-03 | 2019-06-03 | Copper rod production equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850421A (en) * | 2022-05-06 | 2022-08-05 | 杭州富通集团有限公司 | Processing technology of copper rod |
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2019
- 2019-06-03 CN CN201920824815.XU patent/CN210548005U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850421A (en) * | 2022-05-06 | 2022-08-05 | 杭州富通集团有限公司 | Processing technology of copper rod |
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