CN201787807U - Vertical high-efficiency energy-saving copper melting furnace with premixing combustion system - Google Patents

Vertical high-efficiency energy-saving copper melting furnace with premixing combustion system Download PDF

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Publication number
CN201787807U
CN201787807U CN2010202901796U CN201020290179U CN201787807U CN 201787807 U CN201787807 U CN 201787807U CN 2010202901796 U CN2010202901796 U CN 2010202901796U CN 201020290179 U CN201020290179 U CN 201020290179U CN 201787807 U CN201787807 U CN 201787807U
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furnace
combustion
control
shaft furnace
melting
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CN2010202901796U
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游述怀
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游述怀
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Abstract

The utility model relates to a vertical high-efficiency energy-saving copper melting furnace with a premixing combustion system, which comprises a cupola shaft furnace, a shaft furnace feeding system, a holding furnace system, the premixing combustion system, an automatic online PLC control sampling system, a continuous carbon monoxide automatic detection system and a melting furnace of an electric control part. The shaft furnace feeding system with a material conveying rail is arranged on one side of a shaft furnace body, the holding furnace system is arranged on the other side of the shaft furnace body, the premixing combustion system is disposed at a shaft furnace melting chamber and includes an air supply device, a fuel supply device, a gas premixing device and a combustion control device, burners in the premixing combustion system are sequentially arranged on the periphery of the lower portion of the melting chamber, and a furnace-top operating platform is arranged on the upper portion of the shaft furnace. The vertical high-efficiency energy-saving copper melting furnace is fast in melting speed, low in operation expense and high in reliability, can continuously operate for a long time and meet required engineering services, and is easy to control as oxygen content of molten copper is stable.

Description

The vertical energy-efficient melting furnace of band pre-mixing type combustion system
Technical field
The utility model relates to melting unit, refers in particular to a kind of vertical energy-efficient melting furnace with pre-mixing type combustion system of copper melting unit of continuous casting and rolling systems such as producing low-oxygen copper pole, copper strips.
Background technology
Cathode plate melts general producer and all adopts the rectangular reflective melting furnace, rectangular reflective melting furnace energy consumption height, and heat utilization efficiency is generally about 20%, adopt vertical melting furnace, heat utilization efficiency is brought up to more than 50%: in addition, during the production of copper bar, oxygen content is uncontrollable in the copper bar, after adopting pre-mixing type combustion system, Gu increased the CO analytical system, can control oxygen content effectively, guaranteed the quality of copper bar: the rectangular reflection stove only is suitable for single stove production, adopt this cover system, can realize producing continuously.
Summary of the invention
The purpose of this utility model is improved and is innovated at the shortcoming that exists in the background technology and problem, and a kind of vertical energy-efficient melting furnace of rational in infrastructure, burn-off rate is fast, operating cost is low band pre-mixing type combustion system is provided.
The technical solution of the utility model is that a kind of soaring formula shaft furnace, shaft furnace charging system, holding furnace system, pre-mixing type combustion system, PLC of comprising of structure controls online automatic sampling system, carbon monoxide continous way automatic checkout system and electrical control melting furnace partly, wherein:
One side of shaft furnace body of heater is provided with the shaft furnace charging system of band transported material track, the opposite side of shaft furnace body of heater is provided with the holding furnace system, and holding furnace system feeding mouth by last chute, take off slag chute and be connected with the tapping hole of shaft furnace melting chamber, the material after the discharging opening of holding furnace system will melt is carried through downtand and is come out of the stove;
Described pre-mixing type combustion system is arranged on shaft furnace melting chamber place, comprises air supply device, fuel supply device, combustion gas pre-mixing apparatus and combustion control device, and around the orderly bottom that is arranged on melting chamber of the burner in the pre-mixing type combustion system;
Described shaft furnace top also is provided with the furnace roof operating platform.
Advantage of the present utility model and beneficial effect:
The utility model is the needs of producing according to domestic low-oxygen copper pole continuous casting and rolling, absorb the melting unit of advanced foreign technology development and design, it adopts clean energy resourcies such as liquefied petroleum gas, natural gas is fuel, continuously cathode copper being fused into the copper water of low oxygen content, is the copper melting unit of producing continuous casting and rolling system first-selections such as low-oxygen copper pole, copper strips.The utility model burn-off rate is fast, and operating cost is low, can long-time continuous turn round, and the reliability height, the Engineering Service that can meet the demands, and also the oxygen content of copper liquid is stable, control easily.
The selection of the utility model raw material is also very flexible, base stock is the electrorefining tough cathode, can accept the cathode plate that whole Zhang Tongchang produces with permanent cathode kind plate method or solvent extraction electrodeposition method, also can directly accept to melt high-quality copper scrap, utilization can reach 20%(and be used to produce copper pipe and strip strand).
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model pre-mixing type combustion system structural representation.
The specific embodiment
By Fig. 1,2 as can be known, the utility model comprises that soaring formula shaft furnace A, shaft furnace charging system B, the C of holding furnace system, pre-mixing type combustion system, PLC control online automatic sampling system, carbon monoxide continous way automatic checkout system and electrical control partly, wherein:
One side of shaft furnace A body of heater is provided with the shaft furnace charging system B of band transported material track, the opposite side of shaft furnace A body of heater is provided with the C of holding furnace system, and the C of holding furnace system charging aperture 17 is connected with the tapping hole 14 of shaft furnace A melting chamber by last chute 15, the groove 16 of skimming, and the material after the discharging opening 21 of the C of holding furnace system will melt is carried through downtand 22 and come out of the stove;
Described pre-mixing type combustion system is arranged on shaft furnace A melting chamber place, comprises air supply device, fuel supply device, combustion gas pre-mixing apparatus 32 and combustion control device, and around the orderly bottom that is arranged on melting chamber of the burner in the pre-mixing type combustion system 13;
Described shaft furnace A top also is provided with furnace roof operating platform 12.
Melting chamber, Anti-bumping protection piece 7, charge door 9, chimney 10, cigarette cap 11, furnace lining and cooling blower that shaft furnace A described in the utility model comprises furnace bottom 2, is made up of fusing section hypomere 3 and fusing section epimere 5; wherein Anti-bumping protection piece 7 is arranged on melting chamber top; charge door 9 is located at Anti-bumping protection piece 7 tops; the top of charge door 9 also is equipped with video camera, and chimney 10 and cigarette cap 11 are located at the top of body of heater.Described shaft furnace charging system B comprises loading hopper 1, material loading frame lower guideway 6, material loading frame upper rail 8, haulage cable, hoist engine and material loading electrical control part, and wherein material loading electrical control part drive guide rail is sent the material in the loading hopper 1 into charge door 9 and is poured onto in the melting chamber from ground.The described holding furnace C of system comprises body of heater 19, furnace lining, fire door, charging aperture 17, discharging opening 21, roller, position-limited wheel and extension type oil cylinder 20 and Hydraulic Station, wherein also is provided with holding furnace burner 18 on the body of heater 19.Described air supply device comprises a multistage high pressure positive blower 23 and air intake passage, and wherein the air inlet of high pressure positive blower 23 is provided with the air butterfly valve 24 of control intake, and air intake passage also is provided with electric contact draft gauge 25.Described fuel supply device comprises source of the gas and inlet channel, inlet channel is provided with shut-off valve 26 and ball valve 27, wherein be provided with combustion gas low tension switch 28 between a shut-off valve 26 and the ball valve 27, be provided with combustion gas high-voltage switch gear 29 between shut-off valve 26 and another ball valve 27.Described combustion gas pre-mixing apparatus 32 connects air supply device and fuel supply device, dropping valve that the combustion gas pre-mixing apparatus is provided with and zero-location control valve regulation and control fuel pressure, the air that fuel and air supply device is provided by the blender that is provided with mixes and sends into combustion control device again.Described combustion control device comprises backfire controller 30, Hand-operated butterfly valve 31 and burner 4, and wherein the end of burner 4 is provided with burner 13.
Structural principle of the present utility model:
1, shaft furnace:
Purposes: fusing cathode plate or other raw material.
By quality steel plate and section steel manufacture, furnace bottom adopts the 25mm steel plate for furnace bottom, shaft (a fusing section hypomere 3, a fusing section epimere 5), middlely reinforces with channel-section steel, makes whole furnace bottom can bear the weight of 100 tons of electrolysis copper coins and indeformable; Shaft (fusing section hypomere 3, fusing section epimere 5) becomes staving with 20mm steel plate circle, paste one deck alumina silicate fibre blanket in the body of heater, can reduce furnace wall temperature greatly, the centre is built alumina firebrick by laying bricks or stones, the innermost layer furnace lining is directly to touch flame and copper water, adopt that SiC is brick to be built, refractoriness under load can reach 1700 degree, has guaranteed the service life of furnace lining.SiC brick employing purity is mixed special high temperature adhesive greater than 80% SiC, be pressed into radial brick in advance through press, by high-temperature roasting, make the SiC brick form semi-sintered condition, increased the intensity of SiC brick on the one hand, be convenient to transport, carry, build by laying bricks or stones, simultaneously build by laying bricks or stones finish after, burn by baking for the second time, make shaft furnace lining form a firm integral body, the intensity of whole furnace lining is greatly improved.
Upper of furnace body is copper billet or stainless steel Anti-bumping protection piece 7, prevents that copper coin hits on furnace lining when reinforced, causes that come off breakage even liner of furnace lining collapses.
Charge door 9 designs are above shaft furnace, this feed way can make copper coin be deposited into the body of heater charge door from furnace bottom always, the flue gas that produces behind the burner combustion and the time of contact of copper coin have been prolonged, make copper coin can absorb fume afterheat to greatest extent, increase the utilization ratio of heat, the fuel savings cost.Use proof through reality, under the continuous state, the amount of consumed gas of copper water per ton only is the 1/2-1/3 of open hearth less than 65 cubic metres (natural gases) or 22 cubic metres (liquefied gas).
Burner 13 is arranged on stove bottom along circumference, thereby the copper material is near the fusing of furnace bottom place, than the copper material on top by the burning gases preheating.Molten copper is outside copper outlet flows out stove, and this copper outlet is identical with the siege height.Along with the fusing of copper material, the copper material moves down in the melting furnace, therefore can supply with melting copper liquid continuously.
Chimney 10 is the steel pipe, is higher than factory building roof 3M, and the waste gas discharge that burning produces is outdoor, and chimney is provided with rainhat and lightning rod, and lightning rod connects with flat steel bar and introduces ground, and pre-buried when earth connection is built construction on the basis, earth resistance is less than 4 Ω.
The characteristics of the utility model shaft furnace:
1) fully premixed combustion system; 2) the maltilevel security measure is to guarantee safety operation, and safety device is too high or too low at gaseous-pressure, or during the burning fan trouble, cuts off combustion gas immediately; 3) more stable flame, from the cold conditions blow-on to copper liquid about 1 hour; 4) lower carbon monoxide range of operation is so that better control the thermal efficiency of metal quality and Geng Gao; 5) reduced 75% control point (the few maintenance, more easy to control); 6) identical air/fuel ratio is used for a plurality of burners; 7) all combustion zones sampling analysis automatically comprises holding furnace, chute and casting machine casting ladle (user selects for use); 8) lower noise; 9) burner block and copper outlet are the pre-cast refractory material, the longer service life of the refractory material of key area.
The standard of the utility model shaft furnace:
Refractory thickness ≥343mm
Melting capacity 8T/h 16T/h?20T/h?48T/h
Gas consumption 29×10 4 Kcal/T.Au
Nozzle row number 7 of 1 rows, 14 of rows or adjustment
The AC blower fan motor 110KW
2, shaft furnace charging system:
Purposes: cathode copper or other raw material are added in the melting furnace.
The characteristics of the utility model shaft furnace charging system:
1) mature technique; 2) Heavy Type Steel Structure; 3) free-standing device; 4) thus effectively scattering the electrolysis copper coin obtains the thermal efficiency preferably; 5) when filling with substance impacts low, long service life; 6) can transport the whole copper coin of tying; 7) dolly can be accepted the wedge shape hopper, loads useless base, base bits or milling train copper scrap bar; 8) overload protection; 9) tracting cable tension force has buffering, the protection of hawser relaxed state; 10) cctv surveillance.
The standard of the utility model shaft furnace charging system:
Nominal load 2.70T
Circulation timei 3.25min
Exchange driving motor 15KW
3, holding furnace system:
Purposes: control enters the copper flow quantity of casting machine and keeps its temperature stabilization.
Body of heater is rolled into by the 25mm steel plate, body of heater bottom setting-up eccentricity arc fan plate, when body of heater when fan plate face rotates because the off-centre of fan plate, make in the stove copper water liquid level raise and overflow from discharging opening.
The furnace lining light-weight insulating brick is a heat-insulation layer, and the centre is built alumina firebrick by laying bricks or stones, and liner adopts the SiC special form brick, and the SiC brick adopts the technology identical with shaft furnace to fire and forms.
Fire door is located at holding furnace top, adopts SiC ramming mass ramming to form, and fire door can stir up and down, labor cleaning or needs in the turnover stove when repairing when making things convenient for blowing out.
The holding furnace charging aperture is made in advance of SiC, is installed in holding furnace upper end head when building by laying bricks or stones, flows into the inlet of holding furnace through chute as the copper water after the shaft furnace fusing.
Holding furnace need be when conticaster be carried copper water, Hydraulic Station work, and oil cylinder stretches upwards, and holding furnace rotates along the furnace bottom fanning strip, and copper water liquid level improves and overflows chute from copper outlet and carry to casting ladle.
The characteristics of the utility model holding furnace system:
1) fully premixed combustion system; 2) lower carbon monoxide range of operation is so that control the thermal efficiency of metal quality and Geng Gao better; 3) control the air/fuel ratio automatically; 4) keep correct cast temperature, provide constant melting copper liquid to casting machine; 5) manually control is rotated to control the metal liquid level of casting machine casting ladle.
The standard of the utility model holding furnace system:
Rated capacity: 15T (increasing configuration, a well matched 8T)
Gas consumption 3×104 Kcal/T.Au
The AC blower fan motor 15KW
4, premix combustion systems:
The utility model complete set of equipments combustion system adopts fully premixed combustion system, and this system guarantees that whole air and fuel mixed fully before entering the combustion zone, and more stable flame and burning (promptly lower carbon monoxide value) more fully are provided.The composition of the total following several parts of this system: blower air feeding mechanism, fuel supply device, combustion gas pre-mixing apparatus, combustion control device.
1) blower fan feeder:
This device is to have a multistage high pressure positive blower to carry out air feed, and the air that enters blower fan need filter, and should guarantee the stable of gas componant.For preventing the suck-back phenomenon of blower fan, the air inlet of blower fan is provided with the amount of an air butterfly valve with the control air intake.The pressure that blower fan is discharged gas has detection, takes place to prevent hypertonia or low excessively situation.The maintenance of blower fan is very important, because blower fan breaks down when producing, can produce more serious consequence.
2) fuel supply device:
Fuel is generally liquefied petroleum gas or natural gas, is pressure to the requirement of this device, flow steadily.Supply pressure is extremely important to the operate as normal of device stably, because its fluctuation usually can cause the instability of burning.Therefore, this device has the detail requirement of pressure, in case exceed standard, can cause device to cut off automatically.Because fuel is the form of gaseous state, so considered a lot of safe requirement in the logic control.
3) combustion gas pre-mixing apparatus:
This device is the core place of whole system, at first has the SR dropping valve that fuel pressure is controlled, and is the zero-location control valve of a BZR then, and all certainly valve bodies all will have the control or the balance of blower fan air pressure.Combustion gas through two membrane valves after, just enter and the air mix stages, a blender is arranged herein, be used for better mixing gas.Certainly before this, need a burnt gas switch, be used to control the amount of combustion gas.
4) combustion control device:
The gas that has mixed is entering before the burner, need be through a backfire controller, and the effect of backfire controller is to prevent the situation that flame is refunded pipeline.Our burner is a high combustion rate burner, and it needs water to cool off.There is a spark plug to be used for lighting a fire, has peep hole to observe.Operating personnel answer each burner of periodical inspection, so that in time handle various situations (flame monitor also can be set to be detected automatically).This device also comprises atmosphere sampling line and burn rate pipeline to the control room, so that the usefulness of operating personnel's control.
The advantage of the utility model premix combustion systems:
1) premix combustion systems, it is more abundant to burn, and energy efficiency improves more than 150% than open hearth; 2) design of hommization, the maltilevel security measure is to guarantee safety operation; 3) stable pneumatic control system guarantees more stable combustion flame; 4) change of burn rate does not change combustion atmosphere, does not need frequent Adjustment System; 5) be easy to regulate combustion atmosphere, can better control the oxygen content and the temperature of copper liquid, discharge standard is far above the requirement of national regulation; 6) owing to reduced by 75% control point, reduce system maintenance, workman's operation is more prone to.
5, upper and lower chute and skimming groove:
Purposes: copper liquid is sent into holding furnace from melting furnace, deliver to casting machine from holding furnace again.Keep the temperature of copper liquid, the atmosphere that a control is provided is to prevent the copper liquid oxidation.Taking off slag chute slags tap easy.
Illustrate: the chute that is covered with top cover and transmits molten metal to casting machine between melting furnace, holding furnace.The chute that has top cover can be saved combustion gas, reduces noise, prolongs the service life of refractory material, and shielding copper liquid is in order to avoid unnecessary oxidation.Automatic air/fuel is carried out than control in each combustion zone of launder system.The groove 16 of skimming can provide more efficient scarfing cinder effect.
Last launder system comprises a skimming groove, and this groove collected before scum silica frost enters holding furnace, to reduce the number of times of cleaning holding furnace greatly.Quality was improved after copper liquid removed slag, and operating personnel are easy to slag is skimmed in groove.
Chute is the ditch shape container that steel plate is welded, but the heat insulation casting refractory of liner.
Chute is heated by the gas nozzle system.Nozzle is fixed on chute and covers.This chute combustion system not only can be burnt natural gas but also can be burnt liquefied petroleum gas.
The utility model launder system characteristics:
1) goes up chute 15, the groove 16 of skimming, downtand 22 and casting ladle and independently control the air/fuel ratio control system separately automatically.Make Control for Oxygen Content easier and accurate of copper liquid; 2) the chute lid provides protective atmosphere, takes in control oxygen; 3) the chute lid reduces fuel consumption; 4) effectively scarfing cinder, the chute lid reduces noise.
The standard of the utility model chute:
Combustion gas consumes 9×104 Kcal/T.Au
Power of fan 18.5KW or 22KW
6, electrical control is partly:
PLC control is partly adopted in electrical control, and all controls all can be carried out on control panel.
Scope of supply: the electric cover of blower fan and burning control; Each burner pressure indicating meter system one cover; (can analyze 8 points, 3 points of melting furnace, are taken off slag chute, downtand at last chute to CO analyzer one cover, and casting ladle and holding furnace be 1 point respectively.)
The utility model is compared the advantage that has with the shaft furnace of domestic other production of units:
1, feed mechanism is a Heavy Type Steel Structure, can add the electrolytic copper of whole bag.
2, the strip of cutting can reduce labor strength with the adding of the whole tube of forklift.
3, with the shaft furnace that world-famous company produces identical technology is arranged, critical component is an import parts, the reliability height.
4, melting furnace, holding furnace, last chute is taken off slag chute, and the air/fuel of downtand and casting ladle is than independent control respectively, and the Control for Oxygen Content of copper bar is easier.
5, the holding furnace capacity is 8T or bigger, has increased the mobility of whole production line.
Embodiment described in the utility model only is the description that preferred implementation of the present utility model is carried out; be not that the utility model design and scope are limited; under the prerequisite that does not break away from the utility model design philosophy; engineers and technicians make the technical solution of the utility model in this area various modification and improvement; all should fall into protection domain of the present utility model; the technology contents that the utility model is asked for protection all is documented in claims.

Claims (8)

1. vertical energy-efficient melting furnace with pre-mixing type combustion system, it is characterized in that comprising that soaring formula shaft furnace (A), shaft furnace charging system (B), holding furnace system (C), pre-mixing type combustion system, PLC control online automatic sampling system, carbon monoxide continous way automatic checkout system and electrical control partly, wherein:
One side of shaft furnace (A) body of heater is provided with the shaft furnace charging system (B) of band transported material track, the opposite side of shaft furnace (A) body of heater is provided with holding furnace system (C), and holding furnace system (C) charging aperture (17) by last chute (15), take off slag chute (16) and be connected with the tapping hole (14) of shaft furnace (A) melting chamber, the material after the discharging opening (21) of holding furnace system (C) will melt is carried through downtand (22) and is come out of the stove;
Described pre-mixing type combustion system is arranged on shaft furnace (A) melting chamber place, comprise air supply device, fuel supply device, combustion gas pre-mixing apparatus (32) and combustion control device, and around the orderly bottom that is arranged on melting chamber of the burner in the pre-mixing type combustion system (13);
Described shaft furnace (A) top also is provided with furnace roof operating platform (12).
2. the vertical energy-efficient melting furnace of band pre-mixing type combustion system according to claim 1; it is characterized in that described shaft furnace (A) comprises furnace bottom (2); by fusing section hypomere (3) and the fusing section melting chamber that epimere (5) is formed; Anti-bumping protection piece (7); charge door (9); chimney (10); cigarette cap (11); furnace lining and cooling blower; wherein Anti-bumping protection piece (7) is arranged on melting chamber top; charge door (9) is located at Anti-bumping protection piece (7) top; the top of charge door (9) also is equipped with video camera, and chimney (10) and cigarette cap (11) are located at the top of body of heater.
3. the vertical energy-efficient melting furnace of band pre-mixing type combustion system according to claim 1, it is characterized in that described shaft furnace charging system (B) comprises loading hopper (1), material loading frame lower guideway (6), material loading frame upper rail (8), haulage cable, hoist engine and material loading electrical control part, wherein material loading electrical control part drive guide rail is sent the material in the loading hopper (1) into charge door (9) and is poured onto in the melting chamber from ground.
4. the vertical energy-efficient melting furnace of band pre-mixing type combustion system according to claim 1, it is characterized in that described holding furnace system (C) comprises body of heater (19), furnace lining, fire door, charging aperture (17), discharging opening (21), roller, position-limited wheel and extension type oil cylinder (20) and Hydraulic Station, wherein also is provided with holding furnace burner (18) on the body of heater (19).
5. the vertical energy-efficient melting furnace of band pre-mixing type combustion system according to claim 1, it is characterized in that described air supply device comprises a multistage high pressure positive blower (23) and air intake passage, wherein the air inlet of high pressure positive blower (23) is provided with the air butterfly valve (24) of control intake, and air intake passage also is provided with electric contact draft gauge (25).
6. the vertical energy-efficient melting furnace of band pre-mixing type combustion system according to claim 1, it is characterized in that described fuel supply device comprises source of the gas and inlet channel, inlet channel is provided with shut-off valve (26) and ball valve (27), wherein be provided with combustion gas low tension switch (28) between a shut-off valve (26) and the ball valve (27), be provided with combustion gas high-voltage switch gear (29) between shut-off valve (26) and another ball valve (27).
7. the vertical energy-efficient melting furnace of band pre-mixing type combustion system according to claim 1, it is characterized in that described combustion gas pre-mixing apparatus (32) connects air supply device and fuel supply device, dropping valve that the combustion gas pre-mixing apparatus is provided with and zero-location control valve regulation and control fuel pressure, the air that fuel and air supply device is provided by the blender that is provided with mixes and sends into combustion control device again.
8. the vertical energy-efficient melting furnace of band pre-mixing type combustion system according to claim 1, it is characterized in that described combustion control device comprises backfire controller (30), Hand-operated butterfly valve (31) and burner (4), wherein the end of burner (4) is provided with burner (13).
CN2010202901796U 2010-08-13 2010-08-13 Vertical high-efficiency energy-saving copper melting furnace with premixing combustion system Expired - Fee Related CN201787807U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103707000A (en) * 2013-08-28 2014-04-09 新兴铸管(浙江)铜业有限公司 Copper rod machining line and copper rod machining process
CN103712437A (en) * 2013-08-28 2014-04-09 新兴铸管(浙江)铜业有限公司 Shaft furnace for copper melting and copper melting method
CN104180642A (en) * 2013-05-23 2014-12-03 宜兴市新芳铜厂有限公司 Anti-collision segment for vertical copper smelting furnace
CN104609215A (en) * 2015-01-10 2015-05-13 浙江长兴正达电炉制造有限公司 Automatic weighing and feeding system
CN106001464A (en) * 2016-06-29 2016-10-12 安徽天大铜业有限公司 Control method for oxygen content during production process for copper rod
CN106440774A (en) * 2016-08-18 2017-02-22 富通昭和线缆(天津)有限公司 Closed preheating furnace used for copper rod production and copper rod manufacturing method
CN106540962A (en) * 2015-09-23 2017-03-29 潞安卓泰祥和金属科技宜兴有限公司 High densification copper bar continuous casting and tandem rolling production line
CN109385529A (en) * 2018-11-19 2019-02-26 杨佳志 A kind of metal recovery feeding method
CN109990600A (en) * 2019-04-14 2019-07-09 天津海特智能装备有限公司 A kind of continuous aluminum alloy concentration melting furnace

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104180642A (en) * 2013-05-23 2014-12-03 宜兴市新芳铜厂有限公司 Anti-collision segment for vertical copper smelting furnace
CN103707000A (en) * 2013-08-28 2014-04-09 新兴铸管(浙江)铜业有限公司 Copper rod machining line and copper rod machining process
CN103712437A (en) * 2013-08-28 2014-04-09 新兴铸管(浙江)铜业有限公司 Shaft furnace for copper melting and copper melting method
CN103712437B (en) * 2013-08-28 2015-10-14 新兴铸管(浙江)铜业有限公司 Copper fusing shaft furnace and copper melting method
CN104609215A (en) * 2015-01-10 2015-05-13 浙江长兴正达电炉制造有限公司 Automatic weighing and feeding system
CN104609215B (en) * 2015-01-10 2017-01-18 浙江长兴正达电炉制造有限公司 Automatic weighing and feeding system
CN106540962A (en) * 2015-09-23 2017-03-29 潞安卓泰祥和金属科技宜兴有限公司 High densification copper bar continuous casting and tandem rolling production line
CN106001464A (en) * 2016-06-29 2016-10-12 安徽天大铜业有限公司 Control method for oxygen content during production process for copper rod
CN106440774A (en) * 2016-08-18 2017-02-22 富通昭和线缆(天津)有限公司 Closed preheating furnace used for copper rod production and copper rod manufacturing method
CN106440774B (en) * 2016-08-18 2019-12-27 富通昭和线缆(天津)有限公司 Closed preheating furnace for copper rod production and copper rod manufacturing method
CN109385529A (en) * 2018-11-19 2019-02-26 杨佳志 A kind of metal recovery feeding method
CN109990600A (en) * 2019-04-14 2019-07-09 天津海特智能装备有限公司 A kind of continuous aluminum alloy concentration melting furnace

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