CN103523832A - Process for recovering sulfur from ammoniojarosite - Google Patents

Process for recovering sulfur from ammoniojarosite Download PDF

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Publication number
CN103523832A
CN103523832A CN201310397438.3A CN201310397438A CN103523832A CN 103523832 A CN103523832 A CN 103523832A CN 201310397438 A CN201310397438 A CN 201310397438A CN 103523832 A CN103523832 A CN 103523832A
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China
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ammonium jarosite
burner hearth
heat treatment
treatment furnace
add
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CN201310397438.3A
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Chinese (zh)
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CN103523832B (en
Inventor
谭宏斌
马小玲
侯小强
郭从盛
戴景艳
聂建军
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陕西理工学院
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Abstract

The invention discloses a process for recovering sulfur from ammoniojarosite. The process is characterized by comprising the steps: (1) with ammoniojarosite generated in a lead and zinc smelting plant as a raw material, adding an additive, a forming agent, an atmospheric regulator and water, and uniformly stirring all the components to prepare a spherical particle; (2) feeding the spherical particle into a columnar thermal treatment furnace through a vibrating feeder, reacting at the temperature of 700-900 DEG C to obtain a side product of ferric oxide, and directly collecting the side product of ferric oxide through a vibrating discharger at the bottom of a lower opening of a hearth; discharging the generated smoke through a discharging hole in the top of the hearth, and delivering the smoke to a sulfuric acid preparation workshop to recover sulfur after absorbing the smoke by using a pickle liquid in the lead and zinc melting process; (3) grinding the collected side product of ferric oxide, washing and drying to obtain an industrial ferric oxide raw material.

Description

From ammonium jarosite, reclaim the technique of sulphur
Technical field
The present invention relates to reclaim the method for Industrial products from industrial by-products, particularly a kind of ammonium jarosite of producing in Lead-Zinc Sintering Process of utilizing is as the technique of raw materials recovery sulphur, ammonia, ferric oxide.
Background technology
Nearly ten years, the plumbous zinc metallurgy of China has kept the impetus of rapid growth, and 2010, plumbous zinc ultimate production reached 958.10 ten thousand tons.For the wet processing Sheng electricity zinc factory that produces 100000 tons per year, if zinc ore concentrate iron content is in 8%, the ammonium jarosite of annual output is about 5.3 ten thousand tons of [Chen Yongmings, Tang Motang, the 19th interim state of volume the 7th non-ferrous metal journal Yang Sheng sea, Deng .NaOH, decompose containing indium iron vitriol slag novel process [J]. China YouSe Acta Metallurgica Sinica, 2009,19(7): 1322-1331].China's plumbous zinc metal output occupies the first in the world for years.In the develop rapidly of product production capacity, the processing problem of the ammonium jarosite in production process progressively shows especially, is not only related to the comprehensive cyclic utilization of resource, and is more related to the impact on physical environment.
According to the thermal properties of ammonium jarosite, in heat temperature raising process, there is thermolysis, the product that differing temps is decomposed is different, following reaction formula:
[Qiu electricity Yun, Ma Rongjun. hot acid leaches the treatment process [J] of iron vitriol slag in zinc hydrometallurgy. Hunan non-ferrous metal, 1994,10(3): 158-162].Therefore, by ammonium jarosite in high-temperature calcination, recyclable ammonia, sulfur oxide and ferric oxide.
Summary of the invention
The object of this invention is to provide a kind of lead-zinc smelting plant by-products ammonium jarosite that utilizes as the technique of raw materials recovery sulphur,
For reaching above object, the present invention takes following technical scheme to be achieved:
The technique that reclaims sulphur from industry byproduct, is characterized in that, comprises the steps:
(1) ammonium jarosite producing with Lead And Zinc Smelter, as raw material, wherein adds additive, binder, atmosphere adjusting agent, water, after stirring, makes spherical particle; Wherein, additive is a kind of in sodium lignosulfonate, naphthalene water reducer, aliphatic water reducing agent, amino water reducer, poly carboxylic acid sodium, and add-on is the 0.1-1% of ammonium jarosite quality; Binder is a kind of in bauxitic clay, kaolinite, illite, montmorillonite, vermiculite, sepiolite, and add-on is the 1-10% of ammonium jarosite quality; Atmosphere adjusting agent is a kind of in carbon dust, sawdust, straw powder, and add-on is the 0.1-20% of ammonium jarosite quality; The add-on of water is the 5-20% of ammonium jarosite quality;
(2) by spherical particle, by oscillating feeder, to send in column heat treatment furnace, spherical particle obtains ferric oxide particles in 700~900 ℃ of reactions in burner hearth, through the vibration discharging machine of burner hearth lower opening bottom, directly collects; The flue gas producing is discharged by the venting port of roof of the furnace, and the pickling liquor in Lead-Zinc Sintering Process send sulfuric acid to prepare workshop after absorbing, and reclaims the sulphur in ammonium jarosite;
(3) by the grinding for ferric oxide particles of collecting, washing, obtain industrial oxidation iron product after dry.
The another kind of technique that reclaims sulphur from industry byproduct, is characterized in that, comprises the steps:
(1) ammonium jarosite producing with Lead And Zinc Smelter, as raw material, wherein adds additive, binder, atmosphere adjusting agent, water, after stirring, makes spherical particle; Wherein, additive is a kind of in sodium lignosulfonate, naphthalene water reducer, aliphatic water reducing agent, amino water reducer, poly carboxylic acid sodium, and add-on is the 0.1-1% of ammonium jarosite quality; Binder is a kind of in bauxitic clay, kaolinite, illite, montmorillonite, vermiculite, sepiolite, and add-on is the 1-10% of ammonium jarosite quality; Atmosphere adjusting agent is a kind of in carbon dust, sawdust, straw powder, and add-on is the 0.1-20% of ammonium jarosite quality; The add-on of water is the 5-20% of ammonium jarosite quality;
(2) by spherical particle, by oscillating feeder, to send in First column heat treatment furnace, spherical particle obtains NH in 300~400 ℃ of pre-reactions in burner hearth 3, FeOHSO 4, (FeO) 2sO 4, containing FeOHSO 4, (FeO) 2sO 4particle, the oscillating feeder of delivering to the second important actor shape heat treatment furnace through the vibration discharging machine of burner hearth lower opening bottom enters this column heat treatment furnace, in burner hearth, in 700~900 ℃ of reactions, obtain ferric oxide particles, through the vibration discharging machine of burner hearth lower opening bottom, collect;
(3) flue gas (ammonia) that First column heat treatment furnace produces is discharged by the venting port of roof of the furnace, and the pickling liquor in Lead-Zinc Sintering Process absorbs, and reclaims ammonia; After the pickling liquor of the flue gas (sulfur oxide gas) that the second important actor shape heat treatment furnace produces in Lead-Zinc Sintering Process absorbs, send sulfuric acid to prepare workshop, reclaim the sulphur in ammonium jarosite;
(4) grinding for ferric oxide particles of the second important actor shape heat treatment furnace being collected, washing, obtain industrial oxidation iron product after dry.
In aforesaid method, described washing adopts dilute sulphuric acid washing, and washings enters in the leach liquor of zinc smelting.
The burner hearth middle part of described column heat treatment furnace is roomy square section, this roomy cross section area is greater than the upper shed sectional area of burner hearth top, also the lower opening sectional area that is greater than burner hearth below, fuel gas enters the roomy cross section bottom of burner hearth by being arranged on the air nozzle of sidewall of the furnace body.Use Sweet natural gas or coal gas as the fuel of column heat treatment furnace.
The method that reclaims the technique of sulphur with tradition from industry byproduct is compared, advantage of the present invention is: adopt the special-purpose column heat treatment furnace of separate unit or two platform to process ammonium jarosite energy consumption low, technique is simple, and production process zero release can be reclaimed respectively ammonia and sulfur oxide gas; Can use different fuel gas, the ferric oxide byproduct that reaction treatment is obtained, color is adjustable (red, ash or black), and ferric oxide byproduct added value is high, can be used for light industry and steel-making industry.
Accompanying drawing explanation
Fig. 1 is the structural representation of the related column thermal treatment unit of technique of the present invention.In figure: 1, venting port, 2, upper shed, 3, roomy square section, 4, burner hearth, 5, lower opening, 6, vibration discharging machine, 7, base, 8, eccentric capstan head, 9, fuel gas air nozzle, 10, oscillating feeder.
Fig. 2 is that schematic diagram is used in the series connection of Fig. 1 device.
Embodiment
Referring to Fig. 1, column heat treatment furnace comprises the body of heater being arranged on base 7, the inside that this body of heater surrounds is burner hearth 4, the top of burner hearth 4 arranges upper shed 2, the below of burner hearth arranges lower opening 5, eccentric capstan head 8 is placed in lower opening position, burner hearth middle part is for being greater than the roomy square section of upper shed and lower opening sectional area, fuel gas (Sweet natural gas or coal gas) enters the roomy cross section bottom of burner hearth and burns by being arranged on the air nozzle 9 of sidewall of the furnace body, by regulating the size of air nozzle and the flow of input combustion gas to control temperature in stove.Raw material is by oscillating feeder 10, enter body of heater upper shed 2, under the setting off by contrast of hot gas flow, in the roomy square section of burner hearth 4, upper-lower position fully reacts, the solid that reaction produces falls into the lower opening 5 of burner hearth because of action of gravity, by vibration discharging machine 6, collect final product, load can be realized by controlling the rotating speed of eccentric capstan head 8.The flue gas that reaction produces rises, and the material declining is carried out to preheating, by the venting port 1 of roof of the furnace, discharges; The column heat treatment furnace that uses separate unit Fig. 1, reaction in furnace temperature is controlled at 700~900 ℃.Body of heater can be used as a kind of block of building in magnesia brick, periclase brick, magnesia chrome brick, clay brick, high alumina brick.
Referring to Fig. 2, the use of can connecting of two identical column heat treatment furnaces of Fig. 1, is about to the import that the oscillating feeder of the second important actor shape heat treatment furnace is aimed in the outlet of the vibration discharging machine of First column heat treatment furnace; Now the temperature of reaction of First column heat treatment furnace is controlled at 300~400 ℃, and at this moment, it is ammonia that roof of the furnace venting port 1 is discharged flue gas, absorbs, for heavy alum by the pickling liquor in Lead-Zinc Sintering Process.
Adopt separate unit heat treatment furnace to prepare the concrete technology of industrial oxidation iron, comprise the steps:
In the ammonium jarosite producing at Lead And Zinc Smelter, add additive, binder, atmosphere adjusting agent, after stirring, with pan-type pelletizer, be prepared into spherical particle.By spherical particle, by oscillating feeder 10, send in column heat treatment furnace, spherical particle is in column heat treatment furnace burner hearth 4, in 700~900 ℃ of generation series of physical chemical reactions, obtain ferric oxide particles, ferric oxide particles is discharged through the vibration discharging machine 6 of the outlet at bottom of column heat treatment furnace, with ball mill grinding, after washing, obtain ferric oxide by-product sale.Flue gas (the SO that reaction produces 2) by the venting port 1 of roof of the furnace, discharge, the pickling liquor in Lead-Zinc Sintering Process send sulfuric acid to prepare workshop after absorbing, and reclaims sulphur.
The formula that table 1 has been listed 10 embodiment that are numbered 1-10 forms.
The proportioning of raw material during the preparation of table 1 raw iron oxide material
Table 2 has been listed mode and the temperature of reaction that table 1 embodiment is used column heat treatment furnace.
Table 2

Claims (5)

1. from ammonium jarosite, reclaim a technique for sulphur, it is characterized in that, comprise the steps:
(1) ammonium jarosite producing with Lead And Zinc Smelter, as raw material, wherein adds additive, binder, atmosphere adjusting agent, water, after stirring, makes spherical particle; Wherein, additive is a kind of in sodium lignosulfonate, naphthalene water reducer, aliphatic water reducing agent, amino water reducer, poly carboxylic acid sodium, and add-on is the 0.1-1% of ammonium jarosite quality; Binder is a kind of in bauxitic clay, kaolinite, illite, montmorillonite, vermiculite, sepiolite, and add-on is the 1-10% of ammonium jarosite quality; Atmosphere adjusting agent is a kind of in carbon dust, sawdust, straw powder, and add-on is the 0.1-20% of ammonium jarosite quality; The add-on of water is the 5-20% of ammonium jarosite quality;
(2) by spherical particle, by oscillating feeder, to send in column heat treatment furnace, spherical particle obtains ferric oxide particles in 700~900 ℃ of reactions in burner hearth, through the vibration discharging machine of burner hearth lower opening bottom, directly collects; The flue gas producing is discharged by the venting port of roof of the furnace, and the pickling liquor in Lead-Zinc Sintering Process send sulfuric acid to prepare workshop after absorbing, and reclaims the sulphur in ammonium jarosite;
(3) by the grinding for ferric oxide particles of collecting, washing, obtain industrial oxidation iron product after dry.
2. from ammonium jarosite, reclaim a technique for sulphur, it is characterized in that, comprise the steps:
(1) ammonium jarosite producing with Lead And Zinc Smelter, as raw material, wherein adds additive, binder, atmosphere adjusting agent, water, after stirring, makes spherical particle; Wherein, additive is a kind of in sodium lignosulfonate, naphthalene water reducer, aliphatic water reducing agent, amino water reducer, poly carboxylic acid sodium, and add-on is the 0.1-1% of ammonium jarosite quality; Binder is a kind of in bauxitic clay, kaolinite, illite, montmorillonite, vermiculite, sepiolite, and add-on is the 1-10% of ammonium jarosite quality; Atmosphere adjusting agent is a kind of in carbon dust, sawdust, straw powder, and add-on is the 0.1-20% of ammonium jarosite quality; The add-on of water is the 5-20% of ammonium jarosite quality;
(2) by spherical particle, pass through oscillating feeder, send in First column heat treatment furnace, spherical particle obtains product particle in 300~400 ℃ of pre-reactions in burner hearth, the oscillating feeder of delivering to the second important actor shape heat treatment furnace through the vibration discharging machine of burner hearth lower opening bottom enters this column heat treatment furnace, in burner hearth, in 700~900 ℃ of reactions, obtain ferric oxide particles, through the vibration discharging machine of burner hearth lower opening bottom, collect;
(3) flue gas that First column heat treatment furnace produces is discharged by the venting port of roof of the furnace, and the pickling liquor in Lead-Zinc Sintering Process absorbs, and reclaims ammonia; After the pickling liquor of the flue gas that the second important actor shape heat treatment furnace produces in Lead-Zinc Sintering Process absorbs, send sulfuric acid to prepare workshop, reclaim the sulphur in ammonium jarosite;
(4) grinding for ferric oxide particles of the second important actor shape heat treatment furnace being collected, washing, obtain industrial oxidation iron product after dry.
3. the technique that reclaims sulphur from ammonium jarosite as claimed in claim 1 or 2, is characterized in that, described washing adopts dilute sulphuric acid washing, and washings enters in the leach liquor of zinc smelting.
4. the technique that reclaims sulphur from ammonium jarosite as claimed in claim 1 or 2, it is characterized in that, the burner hearth middle part of described column heat treatment furnace is roomy square section, this roomy cross section area is greater than the upper shed sectional area of burner hearth top, also the lower opening sectional area that is greater than burner hearth below, fuel gas enters the roomy cross section bottom of burner hearth by being arranged on the air nozzle of sidewall of the furnace body.
5. the technique that reclaims sulphur from ammonium jarosite as claimed in claim 4, is characterized in that, column heat treatment furnace uses Sweet natural gas or coal gas as fuel.
CN201310397438.3A 2013-09-04 2013-09-04 Process for recovering sulfur from ammoniojarosite Expired - Fee Related CN103523832B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103789533A (en) * 2014-02-11 2014-05-14 陕西理工学院 Process for treating iron vanadium slag by virtue of dry-process rotary kiln
CN105567961A (en) * 2016-01-18 2016-05-11 西南科技大学 Method for separating iron and sulfur in jarosite slag through biological technique
CN106865504A (en) * 2017-01-09 2017-06-20 西南科技大学 A kind of method for reclaiming high concentration sulfur oxide gas
CN107324358A (en) * 2017-06-20 2017-11-07 谭宏斌 A kind of iron vitriol slag low-temperature decomposition and the method that resource is separately recovered
CN109970105A (en) * 2019-04-24 2019-07-05 西南科技大学 A kind of method of cleaning recycling iron in Zinc hydrometallurgy process

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4102951A (en) * 1975-05-14 1978-07-25 Monash University Calcination of basic ferric sulphates
SU779374A1 (en) * 1978-10-25 1980-11-15 Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский Горнометаллургический Институт Цветных Металлов Method of producing ferric oxide pigments
CN101497462A (en) * 2009-03-16 2009-08-05 张建一 Method for producing ferric oxide iron oxide red by fine selecting calcining method
CN101544406A (en) * 2009-05-05 2009-09-30 宁波科博特钴镍有限公司 Method for producing red iron oxide pigment
CN102296138A (en) * 2011-08-15 2011-12-28 中陕金属矿业有限公司 Method for preparing ferrovanadium intermetallic compound and titanium slags by linear moving bed prereduction and shaft furnace melting process
CN103205579A (en) * 2013-03-22 2013-07-17 安徽铜冠有色金属(池州)有限责任公司九华冶炼厂 Method for treating ammonioiarosite residues

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4102951A (en) * 1975-05-14 1978-07-25 Monash University Calcination of basic ferric sulphates
SU779374A1 (en) * 1978-10-25 1980-11-15 Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский Горнометаллургический Институт Цветных Металлов Method of producing ferric oxide pigments
CN101497462A (en) * 2009-03-16 2009-08-05 张建一 Method for producing ferric oxide iron oxide red by fine selecting calcining method
CN101544406A (en) * 2009-05-05 2009-09-30 宁波科博特钴镍有限公司 Method for producing red iron oxide pigment
CN102296138A (en) * 2011-08-15 2011-12-28 中陕金属矿业有限公司 Method for preparing ferrovanadium intermetallic compound and titanium slags by linear moving bed prereduction and shaft furnace melting process
CN103205579A (en) * 2013-03-22 2013-07-17 安徽铜冠有色金属(池州)有限责任公司九华冶炼厂 Method for treating ammonioiarosite residues

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
RAY L. FROST ET AL.: "THERMAL DECOMPOSITION OF AMMONIUM JAROSITE (NH4)Fe3(SO4)2(OH)6", 《JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY》 *
邱电云等: "热酸浸出湿法炼锌中铁矾渣的处理方法", 《湖南有色金属》 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103789533A (en) * 2014-02-11 2014-05-14 陕西理工学院 Process for treating iron vanadium slag by virtue of dry-process rotary kiln
CN103789533B (en) * 2014-02-11 2015-07-01 陕西理工学院 Process for treating iron vanadium slag by virtue of dry-process rotary kiln
CN105567961A (en) * 2016-01-18 2016-05-11 西南科技大学 Method for separating iron and sulfur in jarosite slag through biological technique
CN105567961B (en) * 2016-01-18 2017-10-03 西南科技大学 A kind of method that iron and sulphur in iron vitriol slag are separated with biotechnology
CN106865504A (en) * 2017-01-09 2017-06-20 西南科技大学 A kind of method for reclaiming high concentration sulfur oxide gas
CN106865504B (en) * 2017-01-09 2018-12-28 西南科技大学 A method of recycling high concentration sulfur oxide gas
CN107324358A (en) * 2017-06-20 2017-11-07 谭宏斌 A kind of iron vitriol slag low-temperature decomposition and the method that resource is separately recovered
CN107324358B (en) * 2017-06-20 2019-03-12 谭宏斌 A kind of iron vitriol slag low-temperature decomposition and the method that resource is separately recovered
CN109970105A (en) * 2019-04-24 2019-07-05 西南科技大学 A kind of method of cleaning recycling iron in Zinc hydrometallurgy process

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