CN204301491U - For the feeding device of smelting furnace - Google Patents

For the feeding device of smelting furnace Download PDF

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Publication number
CN204301491U
CN204301491U CN201420664292.4U CN201420664292U CN204301491U CN 204301491 U CN204301491 U CN 204301491U CN 201420664292 U CN201420664292 U CN 201420664292U CN 204301491 U CN204301491 U CN 204301491U
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CN
China
Prior art keywords
feeding device
cylindrical cavity
smelting furnace
inroller
heater
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420664292.4U
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Chinese (zh)
Inventor
朱学峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wenzhou Haifeng Copper Co Ltd
Original Assignee
Wenzhou Haifeng Copper Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wenzhou Haifeng Copper Co Ltd filed Critical Wenzhou Haifeng Copper Co Ltd
Priority to CN201420664292.4U priority Critical patent/CN204301491U/en
Application granted granted Critical
Publication of CN204301491U publication Critical patent/CN204301491U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to smelting furnace technical field, is specifically related to a kind of feeding device for smelting furnace.Its body of heater upper end is provided with the bell for sealing, and bell is provided with feeding device, and feeding device comprises feed hopper and drawing-inroller; Feed hopper internal structure has cylindrical cavity, and its upper end is provided with the charging aperture be communicated with cylindrical cavity, and its lower end is provided with the discharging opening be communicated with cylindrical cavity, charging aperture and discharging opening in the vertical direction zero lap; Drawing-inroller rotates and is arranged in cylindrical cavity, which is provided with storing mouth; Material to enter in cylindrical cavity from charging aperture and is stored in storing mouth, and material is followed drawing-inroller and rotated and enter body of heater inner chamber from discharging opening afterwards.The utility model can effectively reduce the thermal loss that smelting furnace produces in reinforced process.

Description

For the feeding device of smelting furnace
Technical field
The present invention relates to smelting furnace technical field, specifically, relate to a kind of feeding device for smelting furnace.
Background technology
Smelting furnace adopts 200 ~ 2500Hz intermediate frequency power supply to carry out eddy-current heating usually, and its power bracket is generally 20 ~ 2500KW, also can be described as middle frequency furnace according to its feature.Existing smelting furnace is mainly used in noble metal as the melting of the metals such as gold, platinum gold, silver, copper, iron, stainless steel, aluminium alloy, aluminium and temperature raising, is laboratory in colleges and universities, research institute, and jewelry is processed, the ideal equipment of precision castings processing.Smelting furnace casting quality is good, fusing quick heating, furnace temperature are easy to control, production effect is high.
Existing smelting furnace usually needs to open bell when reinforced, and this will cause the loss of heat in burner hearth, and in addition, existing smelting furnace lacks one and preferably to remove the gred scheme and heat recovery scheme.
Summary of the invention
Content of the present invention is to provide a kind of feeding device for smelting furnace, and it can overcome certain or some defect of prior art.
According to the feeding device for smelting furnace of the present invention, it comprises body of heater, and body of heater upper end is provided with the bell for sealing, and bell is provided with feeding device, and feeding device comprises feed hopper and drawing-inroller; Feed hopper internal structure has cylindrical cavity, and its upper end is provided with the charging aperture be communicated with cylindrical cavity, and its lower end is provided with the discharging opening be communicated with cylindrical cavity, charging aperture and discharging opening in the vertical direction zero lap; Drawing-inroller rotates and is arranged in cylindrical cavity, which is provided with storing mouth; Material to enter in cylindrical cavity from charging aperture and is stored in storing mouth, and material is followed drawing-inroller and rotated and enter body of heater inner chamber from discharging opening afterwards.
When carrying out feeding operation to body of heater of the present invention, first material falls in storing mouth through charging aperture, under the rotation of drawing-inroller, material just can enter in body of heater chamber through discharging opening afterwards, this structure makes, when reinforced, the endoceliac heat of stove can not scatter and disappear, thus improves the efficiency of the smelting furnace of this enforcement.
As preferably, be provided with axis hole in the middle part of drawing-inroller, feed hopper is provided with the dead eye corresponding with axis hole.
As preferably, drawing-inroller is driven by a reducing motor, and the output shaft of reducing motor connects with axis hole through after dead eye.
Be provided with axis hole in the middle part of drawing-inroller of the present invention, feed hopper is provided with the dead eye corresponding with axis hole.Drawing-inroller is driven by a reducing motor, and the output shaft of reducing motor connects with axis hole through after dead eye.This makes feeding device by Mechanical course, thus effectively can decrease manual labor.
As preferably, discharge outlet is provided with discharging conduit.
Discharge outlet of the present invention is provided with discharging conduit, discharging conduit can be configured so that material falls into from body of heater upper end, this structure makes material can be carried out sufficient preheating by high melt waste gas before falling into body of heater, thus improves the efficiency of utilization in the present invention.
Accompanying drawing explanation
Fig. 1 is the body of heater schematic diagram of smelting furnace in embodiment 1;
Fig. 2 is the schematic diagram of feed hopper in embodiment 1;
Fig. 3 is the schematic diagram of drawing-inroller in embodiment 1;
Fig. 4 is the schematic diagram of cooling system in embodiment 1.
Detailed description of the invention
For understanding content of the present invention further, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.Should be understood that, embodiment is only to make an explanation to the present invention and and non-limiting.
Embodiment 1
As shown in Figure 1, the smelting furnace for providing in the present embodiment.It comprises the body of heater 100 adopting Electromagnetic Heating, and body of heater 100 comprises: be provided with the bell 170 of upper end for sealing; Be located at the inclination sieve plate 160 at middle part in chamber; Be located at coordinate with inclination sieve plate 160 in the middle part of sidewall for passing into the air flue 150 of oxygen rich gas and the induction coil 140 for heating in chamber; Be located at the flue 180 of side wall upper part for combustion gas; And be located at lower sidewall for shifting the liquid outlet 190 of fused solution.Bell 170 is provided with feeding device, inclination sieve plate 160 is evenly distributed with runner 161 and the junction of the low side of inclination sieve plate 160 and body of heater 100 is provided with slag-drip opening 162.
Smelting furnace in this enforcement in use, material falls into inclination sieve plate 160 from feeding device, and use induction coil 140 to heat the material fallen into, air flue 150 place passes into oxygen rich gas simultaneously, this makes material can melting completely, thus is conducive to the melting purity improving fused solution; In addition due to inclination sieve plate 160 being distributed with runner 161, can body of heater 100 bottom be flowed into through runner 161 and flow out from liquid outlet 190 after this makes material melt on inclination sieve plate 160, and the residue of melting all remains on inclination sieve plate 160, the residue of melting can be discharged from slag-drip opening 162, thus makes the cleaning that the smelting furnace in this enforcement can be easier.
In the present embodiment, body of heater 100 sidewall from-inner-to-outer is configured to furnace lining 110, thermal insulation layer 120 and furnace shell 130 successively; Induction coil 140 is located in thermal insulation layer 120, and air flue 150 is located between furnace lining 110 and thermal insulation layer 120.Thermal insulation layer 120 can be incubated body of heater 100 preferably, avoids the loss of heat.
In addition, inclination sieve plate 160 and the angle of horizontal plane can be any one angle in 30 ° ~ 60 °, and the present embodiment medium dip sieve plate 160 is 30 ° with the angle of horizontal plane; The aperture of runner 161 can be any one number in 1mm ~ 3mm, and the aperture of getting runner 161 in the present embodiment is 2mm.Runner 161 can vertically or vertical tilt sieve plate 160 direction arrange, in the present embodiment, runner 161 is arranged along vertical tilt sieve plate 160 direction.
By the above-mentioned structure to inclination sieve plate 160 and runner 161, make the fused solution in the present embodiment can flow through runner 161 comparatively easily and the residue of melting can skid off from slag-drip opening 162 comparatively easily.Find through many experiments and actual production process, when the aperture of runner 161 is lower than 1mm, fused solution can not pass through runner 161 preferably, and when the aperture of runner 161 is higher than 3mm, the residue of melting also partly can pass through runner 161, and the effect of inclination sieve plate 160 pushing off the slag is greatly reduced; In addition, when inclination sieve plate 160 is greater than 60 ° with the angle of horizontal plane, the material on inclination sieve plate 160 significantly to side landing, thus can cause the serious uneven distribution of material on inclination sieve plate 160, and then makes Smelting Effect poor; When inclination sieve plate 160 is less than 30 ° with the angle of horizontal plane, is unfavorable for that the residue of melting slides to slag-drip opening 162 place, and then affects deslagging effect.
In the present embodiment, body of heater 100 sidewall is provided with the blast orifice 151 be communicated with air flue 150, and furnace lining 110 is provided with the air outlet 152 be communicated with air flue 150, and air outlet 152 is configured so that oxygen rich gas vertically blows to inclination sieve plate 160.By oxygen rich gas being made to contact with the material on inclination sieve plate 160 fully to the structure of air outlet 152, thus increase smelting efficiency.
The feeding device of the present embodiment comprises feed hopper 200 and drawing-inroller 300, respectively as shown in Figure 2 and Figure 3.Wherein, feed hopper 200 internal structure has cylindrical cavity, and its upper end is provided with the charging aperture 220 be communicated with cylindrical cavity, and its lower end is provided with the discharging opening 230 be communicated with cylindrical cavity, charging aperture 220 and discharging opening 230 in the vertical direction zero lap.Drawing-inroller 300 rotates and is arranged in cylindrical cavity, which is provided with storing mouth 320; Material to enter in cylindrical cavity from charging aperture 220 and is stored in storing mouth 320, and material is followed drawing-inroller 300 and rotated and enter body of heater 100 inner chamber from discharging opening 230 afterwards.
When carrying out feeding operation to the body of heater 100 of the present embodiment, first material falls in storing mouth 320 through charging aperture 220, under the rotation of drawing-inroller 300, material just can enter in body of heater 100 chamber through discharging opening 230 afterwards, this structure makes, heat when reinforced in body of heater 100 chamber can not scatter and disappear, thus improves the efficiency of the smelting furnace of this enforcement.
In the present embodiment, be provided with axis hole 310 in the middle part of drawing-inroller 300, feed hopper 200 is provided with the dead eye 210 corresponding with axis hole 310.Drawing-inroller 300 is driven by a reducing motor, and the output shaft of reducing motor connects with axis hole 310 through after dead eye 210.This makes feeding device by Mechanical course, thus effectively can decrease manual labor.
In addition, discharging opening 230 place of the present embodiment is provided with discharging conduit 171, discharging conduit 171 is configured so that material falls into from the high-end of inclination sieve plate 160, this structure makes material can be carried out sufficient preheating by high melt waste gas before falling into inclination sieve plate 160, thus improves the efficiency of utilization in the present embodiment.
As shown in Figure 4, also comprise the switch board 411 for centralized Control circuit in the present embodiment, and induction coil 140 is made up of hollow pipe.Air flue 150 is connected with breather pipe 430, breather pipe 430 one end is be gas outlet 432 for being connected with the blast orifice 151 of air flue 150 for introducing oxygen rich gas air inlet 431 other end.In breather pipe 430, to the direction of gas outlet 432, be disposed with the first heat exchanger 410 and the second heat exchanger 420 along air inlet 431.First heat exchanger 410 is through peripheral hardware pipeline access cooling water, and cooling water circulates successively under the effect of a water pump 412 between switch board 411, induction coil 140 and the first heat exchanger 410; Flue 180 is provided with smoke exhaust pipe 181, and the second heat exchanger 420 is connected with smoke exhaust pipe 181 by peripheral hardware pipeline, makes waste gas streams through the second heat exchanger 420 under the effect of a blower fan 421.
Smelting furnace in the present embodiment, in operation process, can produce high temperature with the electrical equipment that smelting furnace is supporting, can be effectively electrical equipment cooling by accessing the cooling water of circulation between switch board 411 and induction coil 140.In addition, in fusion process, also producing high-temp waste gas, by accessing the second heat exchanger 420, just effectively can carry out recuperation of heat to high-temp waste gas.In the present embodiment, the medium carrying out heat exchange with the first heat exchanger 410 and the second heat exchanger 420 is the oxygen rich gas being about to pass into body of heater 100 inside, the high temperature that this structure makes smelting furnace produce in operation process can effectively be transferred in oxygen rich gas, thus realize just being high-temperature gas before oxygen rich gas enters body of heater 100, and then preferably achieve the recycling of heat, greatly reduce production cost.
In addition, the temperature due to electrical equipment needs strictly to control, therefore the second heat exchanger 420 prime is located at by the first heat exchanger 410, and this structure effectively can ensure the abundant cooling of cooling water; On the other hand, because induction coil 140 is provided in body of heater 100 sidewall, therefore the too low reduction that can cause body of heater 100 smelting efficiency on the contrary of induction coil 140 temperature, and the structure adopting switch board 411 to be located at induction coil 140 prime just effectively can ensure that induction coil 140 can cool in early suitable temperature, thus smelting efficiency can not be affected.
In the present embodiment, the first heat exchanger 410 and the second heat exchanger 420 be all configured to coniform spiral pipeline and the conical surface all towards air inlet 431; The flow direction of cooling water in the first heat exchanger 410 is configured to contrary with the flow direction of oxygen rich gas, and the flow direction of waste gas in the second heat exchanger 420 is configured to contrary with the flow direction of oxygen rich gas.
In the present embodiment, by greatly can increase the efficiency of heat exchange to the structure of the first heat exchanger 410 and the second heat exchanger 420.
Schematically above be described the present invention and embodiment thereof, this description does not have restricted, and also just one of the embodiments of the present invention shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the invention aim, designing the frame mode similar to this technical scheme and embodiment without creationary, all should protection scope of the present invention be belonged to.

Claims (4)

1. for the feeding device of smelting furnace, it is characterized in that: comprise body of heater (100), body of heater (100) upper end is provided with the bell (170) for sealing, bell (170) is provided with feeding device, and feeding device comprises feed hopper (200) and drawing-inroller (300); Feed hopper (200) internal structure has cylindrical cavity, its upper end is provided with the charging aperture (220) be communicated with cylindrical cavity, its lower end is provided with the discharging opening (230) be communicated with cylindrical cavity, charging aperture (220) and discharging opening (230) in the vertical direction zero lap; Drawing-inroller (300) rotates and is arranged in cylindrical cavity, which is provided with storing mouth (320); Material to enter in cylindrical cavity from charging aperture (220) and is stored in storing mouth (320), and material is followed drawing-inroller (300) and rotated and enter body of heater (100) inner chamber from discharging opening (230) afterwards.
2. the feeding device for smelting furnace according to claim 1, it is characterized in that: drawing-inroller (300) middle part is provided with axis hole (310), and feed hopper (200) is provided with the dead eye (210) corresponding with axis hole (310).
3. the feeding device for smelting furnace according to claim 2, is characterized in that: drawing-inroller (300) is driven by a reducing motor, and the output shaft of reducing motor connects with axis hole (310) afterwards through dead eye (210).
4. the feeding device for smelting furnace according to claim 1, is characterized in that: discharging opening (230) place is provided with discharging conduit (171).
CN201420664292.4U 2014-11-07 2014-11-07 For the feeding device of smelting furnace Expired - Fee Related CN204301491U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420664292.4U CN204301491U (en) 2014-11-07 2014-11-07 For the feeding device of smelting furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420664292.4U CN204301491U (en) 2014-11-07 2014-11-07 For the feeding device of smelting furnace

Publications (1)

Publication Number Publication Date
CN204301491U true CN204301491U (en) 2015-04-29

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Family Applications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106544489A (en) * 2016-12-27 2017-03-29 重庆市永川区望城机械厂 Planet carrier annealing furnace
CN107192262A (en) * 2016-03-15 2017-09-22 雷贝卡(天津)金属制品有限公司 aluminium melting furnace

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107192262A (en) * 2016-03-15 2017-09-22 雷贝卡(天津)金属制品有限公司 aluminium melting furnace
CN106544489A (en) * 2016-12-27 2017-03-29 重庆市永川区望城机械厂 Planet carrier annealing furnace

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150429

Termination date: 20161107

CF01 Termination of patent right due to non-payment of annual fee