CN107142374A - Kaldo Furnace handles electricity/wiring board processes - Google Patents

Kaldo Furnace handles electricity/wiring board processes Download PDF

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Publication number
CN107142374A
CN107142374A CN201610113403.6A CN201610113403A CN107142374A CN 107142374 A CN107142374 A CN 107142374A CN 201610113403 A CN201610113403 A CN 201610113403A CN 107142374 A CN107142374 A CN 107142374A
Authority
CN
China
Prior art keywords
furnace
kaldo furnace
kaldo
pressure feeding
feeding spiral
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.)
Pending
Application number
CN201610113403.6A
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Chinese (zh)
Inventor
李忠国
邓育萍
康羿锟
吴金喆
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.)
Lanzhou Central Engineering Equipment Co Ltd
Original Assignee
Lanzhou Central Engineering Equipment 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 Lanzhou Central Engineering Equipment Co Ltd filed Critical Lanzhou Central Engineering Equipment Co Ltd
Priority to CN201610113403.6A priority Critical patent/CN107142374A/en
Publication of CN107142374A publication Critical patent/CN107142374A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/001Dry processes
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B11/00Obtaining noble metals
    • C22B11/02Obtaining noble metals by dry processes
    • C22B11/021Recovery of noble metals from waste materials
    • C22B11/025Recovery of noble metals from waste materials from manufactured products, e.g. from printed circuit boards, from photographic films, paper, or baths
    • 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
    • C22B15/003Bath smelting or converting
    • C22B15/0034Bath smelting or converting in rotary furnaces, e.g. kaldo-type furnaces
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Gasification And Melting Of Waste (AREA)

Abstract

Electricity/wiring board processes are handled the present invention relates to a kind of Kaldo Furnace, this method comprises the following steps:(1) electricity/wiring board enters pressure feeding spiral by taper feed hopper bottom after crushing, enters Kaldo Furnace through pressure feeding spiral;(2) adjustment Kaldo Furnace is to operating position, and it is 28 ° to make its level angle;(3) Fuel lance is stretched into Kaldo Furnace fire door, natural gas or oil fuel spray at a high speed Kaldo Furnace stove chamber inner combustion at Fuel lance nozzle and after oxygen mix;(4) pressure feeding spiral is stretched into Kaldo Furnace and carry out feeding operation, and control ignition temperature in Kaldo Furnace furnace chamber;Metal bath and residue after burning fall into furnace bottom;(5) when the melt volume of furnace bottom reaches the 16% ~ 22% of Kaldo Furnace furnace chamber volume, feed, fuel combustion are stopped, and pressure feeding spiral and Fuel lance are exited into burner hearth;(6) Kaldo Furnace is rotated, melt and residue are poured out into body of heater;Melt ingot casting after skimming.The present invention reaches the purpose of high-recovery by oxidation, blowing.

Description

Kaldo Furnace handles electricity/wiring board processes
Technical field
The present invention relates to Kaldo Furnace production technical field, more particularly to Kaldo Furnace processing electricity/wiring board processes.
Background technology
At present, the recycling of electricity/wiring board is only through extracting copper to realize after burning in common stove, others one A little rare precious metals are not extracted effectively, therefore do not accomplish real recycling.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of high Kaldo Furnace processing electricity/wiring board side of rate of recovery Method.
To solve the above problems, Kaldo Furnace processing electricity/wiring board processes of the present invention, comprise the following steps:
(1) the taper feed hopper bottom that electricity/wiring board is handled by Kaldo Furnace in electricity/circuit board device after crushing, which enters, to be fed Spiral, enters Kaldo Furnace through pressure feeding spiral;
(2) the Kaldo Furnace is adjusted to operating position, and it is 28 ° to make its level angle;
(3) Fuel lance is stretched into Kaldo Furnace fire door, natural gas or oil fuel are at Fuel lance nozzle and oxygen mix Spray into the Kaldo Furnace stove chamber inner combustion at a high speed afterwards, furnace temperature is risen to 1100 DEG C ~ 1500 DEG C;
(4) pressure feeding spiral is stretched into the Kaldo Furnace and carry out feeding operation, and control ignition temperature in the Kaldo Furnace furnace chamber At 1100 DEG C ~ 1500 DEG C;Metal bath and residue after burning fall into furnace bottom;
(5) when the melt volume of furnace bottom reaches the 16% ~ 22% of the Kaldo Furnace furnace chamber volume, electricity/wiring board feed is stopped, Stop fuel combustion, and the pressure feeding spiral and the Fuel lance are exited into burner hearth;
(6) the Kaldo Furnace is rotated, melt and residue are poured out into body of heater;Melt ingot casting after skimming.
The step (1) in Kaldo Furnace processing electricity/circuit board device include the petticoat pipe that is connected with Kaldo Furnace;It is described The side of petticoat pipe is provided with feeding device, and the petticoat pipe of the lower section of the feeding device is provided with Fuel lance.
The feeding device is parallel with the Fuel lance.
The feeding device includes the pressure feeding spiral provided with pressure feeding spiral power set;The level inclination of the pressure feeding spiral α is that feed hopper is provided with above 15 ° ~ 30 °, its one end, provided with the rotary shaft being connected with the pressure feeding spiral power set in it, its Other end bottom side is provided with feed opening;The rotary shaft is equipped with bearing with pressure feeding spiral two ends joint;Under described The pressure feeding spiral bottom in front of material mouth is provided with transmission device.
The transmission device includes litter, the transmission load-bearing slide rail being located on the litter, driving rack and passed with described The travelling gear of carry-over bar engagement;The litter is located at below the rotary shaft between the pressure feeding spiral inwall;It is described to pass Carry-over bar is connected by rack pedestal with the pressure feeding spiral bottom in front of the feed opening.
Prevent out of supply provided with slide rail in the termination of the transmission load-bearing slide rail.
The present invention has advantages below compared with prior art:
1st, the present invention applies to Kaldo Furnace in the processing of electricity/wiring board, reclaims out high-quality copper by oxidation, blowing, removes Also the noble metal gold, silver in electricity/wiring board, palladium, iron can effectively be reclaimed outside this.
2nd, because the main raw material(s) of electricity/wiring board is that particle is more bulk after resin and glass fibre, crushing, area is larger, It is unfavorable for the direct continuous charging of the modes such as charge pipe.If selection interval feeds, the production energy of Kaldo Furnace is greatly reduced again Power.Therefore, the screw feeder mode in the present invention can effectively solve problem above.
3rd, the feeding device in the present invention so that the particle charging after electricity/wiring board is crushed is carried out continuously, and is effectively increased The bed ability of Kaldo Furnace so that METAL EXTRACTION is more abundant in electricity/wiring board, advantageously in purification of metals, enrichment.
Brief description of the drawings
The embodiment to the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the invention.
Fig. 2 is feeding device structural representation in the present invention.
Fig. 3 is transmission device schematic diagram in the present invention.
Fig. 4 is feeding device side view in the present invention.
In figure:1-Kaldo Furnace, 2-petticoat pipe, 3-feeding device, 31-pressure feeding spiral, 32-feed hopper 33-pressure feeding spiral, 34-bearing of power set, 35-feed opening 36-transmission load-bearing 37-driving rack of slide rail 38-travelling gear, 39-slide rail prevents 4-Fuel lance α-15 ° ~ 30 ° out of supply, 10-litter.
Embodiment
Kaldo Furnace handles electricity/wiring board processes, comprises the following steps:
(1) the bottom of taper feed hopper 32 that electricity/wiring board is handled by Kaldo Furnace in electricity/circuit board device after crushing, which enters, to be given Expect spiral 31, enter Kaldo Furnace 1 through pressure feeding spiral 31.
Wherein:Kaldo Furnace processing electricity/circuit board device includes the petticoat pipe 2 being connected with Kaldo Furnace 1(Referring to Fig. 1).Cigarette The side of cover 2 is provided with feeding device 3, and the petticoat pipe 2 of the lower section of the feeding device 3 is provided with Fuel lance 4.
Feeding device 3 is parallel with Fuel lance 4.
Feeding device 3 includes the pressure feeding spiral 31 provided with pressure feeding spiral power set 33(Referring to Fig. 2, Fig. 4);Pressure feeding spiral 31 level inclination α is 15 ° ~ 30 °, and feed hopper 32 is provided with above its one end, is provided with and the phase of pressure feeding spiral power set 33 in it Rotary shaft even, its other end bottom side is provided with feed opening 35;Rotary shaft is equipped with axle with the two ends joint of pressure feeding spiral 31 Hold 34;The bottom of pressure feeding spiral 31 in the front of feed opening 35 is provided with transmission device.
Transmission device include litter, the transmission load-bearing slide rail 36 being located on litter, driving rack 37 and with driving rack 37 The travelling gear 38 of engagement(Referring to Fig. 3);Litter 10 is located at below rotary shaft between the inwall of pressure feeding spiral 31;Driving rack 37 It is connected by rack pedestal with the bottom of pressure feeding spiral 31 in the front of feed opening 35.
Prevent out of supply 39 provided with slide rail in the termination of transmission load-bearing slide rail 36.
(2) adjustment Kaldo Furnace 1 is to operating position, and it is 28 ° to make its level angle.
(3) Fuel lance 4 is stretched into the fire door of Kaldo Furnace 1, natural gas or oil fuel at the nozzle of Fuel lance 4 with The stove chamber inner combustion of Kaldo Furnace 1 is sprayed into after oxygen mix at a high speed, furnace temperature is risen to 1100 DEG C ~ 1500 DEG C.
(4) pressure feeding spiral 31 is stretched into Kaldo Furnace 1 and carry out feeding operation, and control ignition temperature in the furnace chamber of Kaldo Furnace 1 At 1100 DEG C ~ 1500 DEG C;Metal bath and residue after burning fall into furnace bottom.
(5) when the melt volume of furnace bottom reaches the 16% ~ 22% of the furnace chamber volume of Kaldo Furnace 1, electricity/wiring board feed is stopped, Stop fuel combustion, and pressure feeding spiral 31 and Fuel lance 4 are exited into burner hearth.
(6) Kaldo Furnace 1 is rotated, melt and residue are poured out into body of heater;Melt ingot casting after skimming.

Claims (6)

1. Kaldo Furnace handles electricity/wiring board processes, comprise the following steps:
(1) electricity/wiring board handles the taper feed hopper in electricity/circuit board device by Kaldo Furnace after crushing(32)Bottom enters Pressure feeding spiral(31), through pressure feeding spiral(31)Into Kaldo Furnace(1);
(2) the Kaldo Furnace is adjusted(1)To operating position, it is 28 ° to make its level angle;
(3) by Fuel lance(4)Stretch into Kaldo Furnace(1)In fire door, natural gas or oil fuel are in Fuel lance(4)At nozzle With the Kaldo Furnace is sprayed into after oxygen mix at a high speed(1)Stove chamber inner combustion, makes furnace temperature rise to 1100 DEG C ~ 1500 DEG C;
(4) by pressure feeding spiral(31)Stretch into the Kaldo Furnace(1)Feeding operation is carried out, and controls the Kaldo Furnace(1)Furnace chamber Interior ignition temperature is at 1100 DEG C ~ 1500 DEG C;Metal bath and residue after burning fall into furnace bottom;
(5) when the melt volume of furnace bottom reaches the Kaldo Furnace(1)Furnace chamber volume 16% ~ 22% when, stop electricity/wiring board give Material, stops fuel combustion, and by the pressure feeding spiral(31)With the Fuel lance(4)Exit burner hearth;
(6) the Kaldo Furnace is rotated(1), melt and residue are poured out into body of heater;Melt ingot casting after skimming.
2. Kaldo Furnace as claimed in claim 1 handles electricity/wiring board processes, it is characterised in that:The step (1) in card You are more, and stove processing electricity/circuit board device includes and Kaldo Furnace(1)Connected petticoat pipe(2);The petticoat pipe(2)Side provided with plus Expect device(3), the feeding device(3)Lower section the petticoat pipe(2)It is provided with Fuel lance(4).
3. Kaldo Furnace as claimed in claim 2 handles electricity/wiring board processes, it is characterised in that:The feeding device(3)With The Fuel lance(4)It is parallel.
4. Kaldo Furnace as claimed in claim 2 handles electricity/wiring board processes, it is characterised in that:The feeding device(3)Bag Include provided with pressure feeding spiral power set(33)Pressure feeding spiral(31);The pressure feeding spiral(31)Level inclination α for 15 ° ~ 30 °, its one end top is provided with feed hopper(32), it is provided with and the pressure feeding spiral power set in it(33)Connected rotary shaft, Its other end bottom side is provided with feed opening(35);The rotary shaft and the pressure feeding spiral(31)Two ends joint is equipped with axle Hold(34);The feed opening(35)The pressure feeding spiral in front(31)Bottom is provided with transmission device.
5. Kaldo Furnace as claimed in claim 4 handles electricity/wiring board processes, it is characterised in that:The transmission device includes Litter, the transmission load-bearing slide rail being located on the litter(36), driving rack(37)And with the driving rack(37)Engagement Travelling gear(38);The litter(10)It is located at below the rotary shaft and the pressure feeding spiral(31)Between inwall;It is described to pass Carry-over bar(37)Pass through rack pedestal and the feed opening(35)The pressure feeding spiral in front(31)Bottom is connected.
6. Kaldo Furnace as claimed in claim 5 handles electricity/wiring board processes, it is characterised in that:The transmission load-bearing slide rail (36)Termination prevent out of supply provided with slide rail(39).
CN201610113403.6A 2016-03-01 2016-03-01 Kaldo Furnace handles electricity/wiring board processes Pending CN107142374A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610113403.6A CN107142374A (en) 2016-03-01 2016-03-01 Kaldo Furnace handles electricity/wiring board processes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610113403.6A CN107142374A (en) 2016-03-01 2016-03-01 Kaldo Furnace handles electricity/wiring board processes

Publications (1)

Publication Number Publication Date
CN107142374A true CN107142374A (en) 2017-09-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113528825A (en) * 2021-06-25 2021-10-22 江西华赣瑞林稀贵金属科技有限公司 Method for smelting and recovering valuable metals by electronic waste and multi-metal solid waste

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102380501A (en) * 2011-07-13 2012-03-21 浙江环益科技有限公司 U-shaped high-temperature waste recycling furnace
CN106086416A (en) * 2016-06-22 2016-11-09 江西自立环保科技有限公司 The technology that a kind of wiring board waste disposal utilizes

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102380501A (en) * 2011-07-13 2012-03-21 浙江环益科技有限公司 U-shaped high-temperature waste recycling furnace
CN106086416A (en) * 2016-06-22 2016-11-09 江西自立环保科技有限公司 The technology that a kind of wiring board waste disposal utilizes

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
李深根等: "废旧线路板有价金属资源化技术", 《世界有色金属》 *
李金庭: "卡尔多炉炼铅主体设备的转化设计", 《有色设备》 *
陈爱莲等: "《饲料工业机械设备安装调试、运行检测、故障诊断、维修保养与标准规范全书》", 30 April 2004, 安徽文化音像出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113528825A (en) * 2021-06-25 2021-10-22 江西华赣瑞林稀贵金属科技有限公司 Method for smelting and recovering valuable metals by electronic waste and multi-metal solid waste

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Application publication date: 20170908

RJ01 Rejection of invention patent application after publication