CN101979942B - One-step lead smelting blast furnace - Google Patents

One-step lead smelting blast furnace Download PDF

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Publication number
CN101979942B
CN101979942B CN2010105206676A CN201010520667A CN101979942B CN 101979942 B CN101979942 B CN 101979942B CN 2010105206676 A CN2010105206676 A CN 2010105206676A CN 201010520667 A CN201010520667 A CN 201010520667A CN 101979942 B CN101979942 B CN 101979942B
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CN
China
Prior art keywords
furnace
furnace body
water
water jacket
heater
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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
CN2010105206676A
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Chinese (zh)
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CN101979942A (en
Inventor
唐国亮
艾清萍
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CHENZHOU GUODA NONFERROUS METALS Co Ltd
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CHENZHOU GUODA NONFERROUS METALS Co Ltd
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Priority to CN2010105206676A priority Critical patent/CN101979942B/en
Publication of CN101979942A publication Critical patent/CN101979942A/en
Application granted granted Critical
Publication of CN101979942B publication Critical patent/CN101979942B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention relates to a one-step lead smelting blast furnace, which belongs to a fire lead smelting device. The blast furnace comprises a vertical furnace body (1); the upper section of the furnace body (1) is provided with a furnace body bracket (2) made of channel steel, a smoke shield (3) and an exhaust pipe (4); two sides of the smoke shield (3) are provided with two symmetrical feeding holes (5, 6), and the furnace body bracket (2) is provided with a feeding platform (7) at the two feeding holes (5, 6); the lower section of the furnace body (1) is provided with a molten pool (8) piledby high aluminum or magnesium fire clay, and one side of the molten pool (8) is provided with a slag discharge hole and a melt discharge siphon hole (9) respectively; a thin furnace lining is attached to the furnace wall of the middle section of the furnace body (1), and the furnace wall is provided with lower, middle and upper water jackets (10, 11, 12); and coil pipes in the three layers of water jackets are connected in series in turn from bottom to middle to top, and a converged master water inlet (13) and a converged master water outlet (14) are communicated with a water storage tank of an unpowered water circulating system through pipes. The blast furnace is convenient to feed materials, has good furnace body stability, and can realize continuous lead smelting operation.

Description

One step refining lead blast furnace
Technical field
The present invention relates to the plumbous equipment of pyrometallurgical smelting, specifically is a kind of step refining lead blast furnace.
Background technology
At present, there are two problems technically in the plumbous stove of traditional pyrometallurgical smelting, and the one, the outside no heat sink design of blast furnace body of heater high temperature position, working continuously can not be long, otherwise body of heater is out of shape and even burns.Thereby the life-span in furnace life is short, yields poorly, energy and material consumes height, the 2nd, and furnace cavity structure is science not, can not use step refining splicer skill.
With the similar prior art of the present invention be; On November 5th, 1997 Chinese utility model patent Granted publication CN 2266602Y; " the small-sized pyrometallurgical smelting matte stove " of the monarch Han Zheng institute utility model of Zhouzhuang, Shahe City, disclosed Hebei province, this stove connects following shaft, last shaft and petticoat pipe successively by cupola well (being equivalent to furnace chamber) top and forms, and there is the water jacket that links to each other with aqua storage tank the furnace wall of following shaft; The blast furnace outside has the eye of wind, cupola well one side that melt discharging throat mouth is arranged; Though this stove has the heat sink design; But the furnace charge of charge door is to promote hopper through hoist engine to realize charging, and when the shaft height acquired a certain degree, the reinforced work of charge door was restricted; Reinforced inconvenient, the hoist engine track of shaft one side connection simultaneously makes the body of heater bad stability.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiency that exists in the traditional drum wind furnace technology, and a kind of step refining lead blast furnace is provided, and the convenient feeding of this blast furnace charge door, body of heater good stability can be realized the continual lead smelting operation.
Technical scheme of the present invention is: a kind of step refining lead blast furnace; The body of heater that comprises vertical installation; The epimere of body of heater has by channel-section steel and constitutes furnace body support, flue dust cover and smoke exhaust pipe, and there is the charge door of two symmetries on the both sides of flue dust cover, and furnace body support forms a charging scffold at two charge door places; The body of heater hypomere has the molten bath of high alumina matter or magnesite refractory bagger, and a side in molten bath cinder notch and the melt discharging siphon port that begins to rehearse is respectively posted thin-lining in the furnace wall, stage casing of body of heater, set on the furnace wall, in, last three layers of water jacket; Coil pipe in three layers of water jacket presses, in, on series connection successively, the total water inlet of being assembled communicates with the aqua storage tank of unpowered water circulation system through pipeline with total delivery port; Wherein, the orlop water jacket connects total water inlet near the upper edge, molten bath, and the part coil pipe in the superiors' water jacket is coiled in the charge door rib of both sides, and the superiors' water jacket connects total delivery port; The upper edge in described molten bath and the junction of furnace wall also are provided with blast orifice and all press the air channel; Go back water receiving cover chute on the described slag-drip opening, the water jacket chute connects iron gold-plating separator at the back;
Operation principle of the present invention is: furnace charge is poured charge door from charging scffold into small handcart, allocates a certain proportion of coke into, and additive after lighting, is all pressed the air channel by the air blast of variable-frequency motor control with the air entering, after all pressing, is blown in the coke combustion-supporting.Furnace charge, additive on coke are melted by preheating, and in stove, produce the reducing-matting smelting reaction, can obtain lead bullion (or metal) in the molten bath and discharge from melt discharging throat mouth.Slags such as most of iron and calcium sulfonium are discharged from slag-drip opening, through the temperature adjustment of water jacket chute, get into the iron gold-plating and separate and Water Quenching.The present invention is in melting, and cooling water relies on deadweight to produce unpowered water circulation from aqua storage tank through pipeline and gets into the furnace wall, take away a part of heat, make furnace lining keep lower temperature, can realize the long-time continuous melting.The flue gas that the stove internal combustion produces gets into flue dust with zinc, the cadmium of few part lead, antimony, bismuth and the overwhelming majority; Emptying after smoke exhaust pipe gets into sack cleaner, screen collector and desulfurizing tower.
With traditional drum wind furnace compared with techniques, vertical structure of the present invention, compact conformation; It sets up the coil arrangement water jacket at the following shaft outer wall high temperature position of blast furnace, utilizes the cooling of water Natural Circulation, and stove off-balancesheet temperature is remained between 60-80 ℃; Avoided body of heater distortion or burnt; Make blast furnace to work continuously, stream time is long, and the daily output improves three times.Employing constitutes furnace body support body of heater good stability by channel-section steel, utilizes charging scffold to pour furnace charge into charge door with small handcart, has saved lifting device, convenient feeding, and cost is low, and is energy-conservation; The present invention is also through solid sulfonium slag, reduced sulfur dioxide flue gas row and sent out and cause environmental pollution.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done explanation further.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is Fig. 1 side structure sketch map.
Among the figure: 1 body of heater; 2 supports; 3 flue dust covers; 4 smoke exhaust pipes; 5 charge doors; 6 charge doors; 7 charging scffolds; 8 molten baths; 9 melts discharging siphon port; 10 lower floor's water jackets; 11 middle level water jackets; 12 upper strata water jackets; 13 total water inlets; 14 total delivery ports; 15 blast orifices; 16 water jacket chutes.
The specific embodiment
With reference to Fig. 1 is one embodiment of the present of invention, and its structure as stated.A kind of step refining lead blast furnace; The body of heater 1 that comprises vertical installation; It is characterized in that: the epimere of body of heater 1 has by channel-section steel and constitutes furnace body support 2, flue dust cover 3 and smoke exhaust pipe 4; There are charge door 5 and charge door 6 in the both sides of flue dust cover 3, and furnace body support 2 forms a charging scffold 7 at charge door 5 with charge door 6 places; Body of heater 1 hypomere has the molten bath 8 of high alumina matter or magnesite refractory bagger, and a side in molten bath 8 cinder notch and the melt discharging siphon port 9 that begins to rehearse is respectively posted thin-lining in the furnace wall, stage casing of body of heater 1, set on the furnace wall layer water jacket 10,, middle level water jacket 11, upper strata water jacket 12; Coil pipe in three layers of water jacket presses, in, on series connection successively, the total water inlet of being assembled 13 communicates with the aqua storage tank of unpowered water circulation system through pipeline with total delivery port 14; Wherein, orlop water jacket 10 connects total water inlet 13 near 8 upper edges, molten bath, and the part coil pipe in the superiors' water jacket 12 is coiled in charge door 5 and charge door 6 ribs, and the superiors' water jacket connects total delivery port 14); The upper edge in described molten bath 8 and the junction of furnace wall also are provided with blast orifice 15 and all press the air channel; Go back water receiving cover chute 16 on the described slag-drip opening, water jacket chute 16 back connect iron gold-plating separator.

Claims (1)

1. a step is refined lead blast furnace; The body of heater (1) that comprises vertical installation; It is characterized in that: the epimere of body of heater (1) has by channel-section steel and constitutes furnace body support (2), flue dust cover (3) and smoke exhaust pipe (4); There is the charge door (5,6) of two symmetries on the both sides of flue dust cover (3), and furnace body support (2) locates to form a charging scffold (7) at two charge doors (5,6); Body of heater (1) hypomere has the molten bath (8) of high alumina matter or magnesite refractory bagger, a side of molten bath (8) cinder notch and the melt discharging siphon port (9) that begins to rehearse respectively; Post thin-lining in the furnace wall, stage casing of body of heater (1), set on the furnace wall, in, last three layers of water jacket (10,11,12); Coil pipe in three layers of water jacket presses, in, on series connection successively, the total water inlet of being assembled (13) communicates with the aqua storage tank of unpowered water circulation system through pipeline with total delivery port (14); Wherein, orlop water jacket (10) connects total water inlet (13) near upper edge, molten bath (8), and the part coil pipe in the superiors' water jacket (12) is coiled in both sides charge door (5, the 6) rib, and the superiors' water jacket connects total delivery port (14); The upper edge in described molten bath and the junction of furnace wall also are provided with blast orifice (15) and all press the air channel; Go back water receiving cover chute (16) on the described slag-drip opening, water jacket chute (16) back connects iron gold-plating separator.
CN2010105206676A 2010-10-23 2010-10-23 One-step lead smelting blast furnace Expired - Fee Related CN101979942B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010105206676A CN101979942B (en) 2010-10-23 2010-10-23 One-step lead smelting blast furnace

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Application Number Priority Date Filing Date Title
CN2010105206676A CN101979942B (en) 2010-10-23 2010-10-23 One-step lead smelting blast furnace

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CN101979942A CN101979942A (en) 2011-02-23
CN101979942B true CN101979942B (en) 2012-07-04

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103256818A (en) * 2012-02-17 2013-08-21 沈阳铝镁设计研究院有限公司 Cooling water jacket of pot type calcining furnace
CN103629920B (en) * 2013-11-07 2016-04-13 英德市新裕有色金属再生资源制品有限公司 A kind of vertical updraught sintering reactor
CN104404266A (en) * 2014-10-29 2015-03-11 广西来宾银海铝材股份有限公司 Smelting furnace apparatus
CN104792168B (en) * 2015-04-21 2017-03-22 永兴县东宸有色金属再生利用有限公司 Environment-friendly blasting smelting furnace

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1052334A (en) * 1989-12-08 1991-06-19 田士杰 The hot air smelting method of lead blast furnace and wind jacket in furnace thereof
CN2171830Y (en) * 1993-09-03 1994-07-13 青岛锅炉辅机厂冲天炉分厂 Water cooled cupola without furnace liner
CN2242248Y (en) * 1995-04-26 1996-12-11 郭继中 Double layer hot air blast furnace
JPH11246920A (en) * 1998-03-05 1999-09-14 Osaka Namarisuzu Seirensho:Kk Lead smelting furnace and method for smelting lead
RU2213792C1 (en) * 2002-04-19 2003-10-10 Бурлов Юрий Александрович Plasma-type reactor-separator
CN2699215Y (en) * 2004-04-30 2005-05-11 王怀顺 Chair type lead smelting furnace with double row wind-eyes
CN201876095U (en) * 2010-10-23 2011-06-22 郴州市国大有色金属冶炼有限公司 One-step lead-smelting blast furnace

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