CN107055558A - The chemical industry metallurgical method of comprehensive utilization that ardealite is developed jointly with nepheline ore deposit - Google Patents
The chemical industry metallurgical method of comprehensive utilization that ardealite is developed jointly with nepheline ore deposit Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/24—Alkaline-earth metal silicates
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/02—Superphosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D1/00—Fertilisers containing potassium
- C05D1/02—Manufacture from potassium chloride or sulfate or double or mixed salts thereof
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Abstract
The present invention is the chemical industry metallurgical method of comprehensive utilization that a kind of ardealite is developed jointly with nepheline ore deposit, by special metathesis reaction, by the sulfate radical " grafting " in ardealite on the aluminium and potassium in nepheline ore deposit, activated alumina and potassium compound fertilizer is made through molten leaching separation conversion.And the calcium in ardealite is then combined with the silicate in nepheline ore deposit, the costly calcium silicates of Yong Tu Guang ﹑ is made.Concrete technology is that, by ardealite and the levigate roasting that is mixed of nepheline ore deposit, burned material carries out pressure leaching boiling Jin Lv ﹑ potassium by leaching agent of water, and separation of solid and liquid is calcium silicate products after solid phase is scrubbed, and molten phase is the potassium sulfate and aluminum sulfate solution leached.Leachate is with the heavy aluminium point potassium of ammonium hydrogen carbonate, and solid phase is that active alumina product is made in aluminum carbonate basic Gan Zao ﹑ calcinations；Liquid phase is potassium sulfate and ammonium sulfate mixed liquor, with phosphate material after concentration（Lin Kuang Fen ﹑ general calciums or coarse whiting）Xi Shou ﹑ Shuization ﹑ Fan Dui ﹑, which are dried, is made Dan ﹑ Lin ﹑ potassium compound fertilizers.
Description
Technical field
The chemical industry metallurgical technology that choosing, smelting, slugging material and hardly possible select smelting mineral intergrowth is handled the invention belongs to a kind of, and in particular to right
The huge residue phosphogypsum and reserves of chemical industry generation are huge effectively can not to contain potassium, aluminium nepheline by the huge of industrialization development so far
The efficient combination comprehensive treatment utilization method of ore deposit.
Background technology
Processing utilizes ardealite, is the problem of current chemical industry.With the development of chemical industry, China's phosphorous chemical industry is produced
Ardealite turned into the maximum waste material of discharge capacity in chemical industry.Ten provinces and cities headed by Yunnan, since 2010, have produced
Ten thousand tons/year of 4000-7000 is measured, and is being increased year by year.Any row's heap of the waste residue material, a large amount of soils are not only taken up, treasured is wasted
Expensive Sulphur ressource, and pollution environment, endanger to zoology.Up to the present ardealite is not utilized also well.
The utilization rate of current whole world ardealite is only 4.5% or so, and China is also less than 10%.Currently with mainly at three aspects, one
It is to make construction material：Cement buffer, pressurizing brick, Thistle board, gypsum block and hollow condition etc.；Because correlation technique is endless
Kind, quality and cost are unqualified, it is impossible to accomplish scale production；Two be chemical industry Sulphuric acid and ammonium sulfate, because of cost and pair
Product quality, market and industrialization can not be adhered to；Three, which are used as soil, improves water storage and moisture retention, is limited because of cost of transportation
System.
Sulphur is indispensable chemical raw material in the world, is widely used in various chemical processes.Sulphuric acid output is normally used as weighing
One of mark of one National Industrial development level.Due to the development of the chemical fertilizer of China, particularly phosphate fertilizer industry, increase to sulphur
Demand, and domestic available Sulphur ressource is very deficient, and Sulphur ressource is to external interdependent more than 50%.And huge waste residue phosphorus
In gypsum, sulfate radical account for the 60% of its composition, and heap row is harmful, using but into treasured.
China is the country of a severe potassium deficiency, and the confession amount of potassium is less than 30%, but Yunnan storage has second-biggest-in-the-world, generation containing potassium
The big nepheline ore deposit in boundary first, reserves are more than 3,000,000,000 tons, 9-11% containing potassium（With K2O）, 24-29% containing aluminium（With Al2O3Meter）Only wherein potassium
Reserves be exactly that potassium reserves are now verified by China（Qinghai, Xinjiang, Tibet）3.68 times of summation.The ground such as China Sichuan, Henan also have
Nepheline mineral reserve, but because of the lithium aluminium silicate double salt structure of the mineral, it is impossible to opened and utilized with general metallurgy, physics, chemical method.
From over half a century so far in 1954, lot of domestic and foreign scientific research institution and associated companies carried out multi-party developmental research, it is whole because
Technology is not good, economy is unqualified and not into.The national inventing patent that member is rather obtained was worn until 2011《The Whote-wet method of nepheline ore deposit
Work metallurgical comprehensive Application way》（Patent of invention ZL200810058218.7）, just obtain nepheline ore deposit and utilized in effective exploitation, it is existing
Pass through pilot-plant test, it is positive to carry out year processing 5000-100,000 ton of Construction of Industrialization.The technology system utilizes activation
By leaching transforming agent, carbon ammonium of sulfuric acid be heavy aluminium point potassium transforming agent in the presence of agent, produce potassium compound fertilizer, activated alumina and
Gas-phase silica（Aerosil）.
Sulfate radical " grafting " in huge chemical sludge ardealite calcium sulfate is used in the potassium of nepheline ore deposit, aluminium exploitation, for carrying
High phosphogypsum slag and hardly possible select the economic benefit and social benefit of smelting ore deposit nepheline, and have significant progress meaning.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of by ardealite and nepheline ore deposit efficient combination integrated treatment utilization
Method, it can will account in ardealite ~ 60% sulfate radical by metathesis reaction " grafting " on the potassium and aluminium of nepheline ore deposit, shape
Into soluble potassium sulfate and aluminum sulfate, then convert output potassium compound fertilizer and activated alumina.Leached mud is more more valuable than ardealite
Calcium silicates, be the splendid raw material of potting porcelain, refractory material, insulation material, be also artificial bone grafting, plant tooth excellent activity material
Material.Can also secondary development high value gas-phase silica（Aerosil）.Whole technique is without waste gas, waste residue, discharge of wastewater.
Solving the scheme that is used of technical problem of the present invention is：Ardealite and nepheline ore deposit are crushed respectively and are milled down to certain grain
Degree；By the mass percent of contained potassium, aluminium in nepheline ore deposit, and its with the required calcium sulfate with metathesis reaction ardealite, press
Corresponding modulus is matched；Roasting conversion is carried out after being mixed at a certain temperature.Burned material carries out heating autoclaving by solvent of water,
Dissolution potassium sulfate and aluminum sulfate；Solid phase slag is calcium silicates.
2KAl(SiO3)2 + 4CaSO4·2H2O = K2SO4 + Al2(SO4)3 + 4CaSiO3↓ + 2H2O
Nepheline ardealite potassium sulfate sulfuric acid calcium aluminosilicate
Potassium sulfate and aluminum sulfate mixture solution are obtained after solid-liquor separation, solid phase slag calcium silicates, which is sold to send, does ceramics, insulation material, fire resisting
The raw material of material and medicinal activity material.
It is aluminum carbonate basic that ammonium bicarbonate precipitation aluminium is added in molten phase, and mother liquor is that potassium sulfate and ammonium sulfate are combined potassium, nitrogen compound fertilizer；
3Al2(SO4)3+18NH4HCO3=2Al3(OH)3(CO3)3↓+9(NH4)2SO4+12CO2↑+6H2O
After solid-liquor separation, aluminum carbonate basic dries calcination active alumina product：
Al3(OH)3(CO3)3 3Al2O3+6CO2↑+3H2O
After the mixed solution heating concentration of mother liquor potassium sulfate and ammonium sulfate with ground phosphate rock or general calcium, coarse whiting sorption enhanced be made potassium,
Nitrogen, phosphorus compound fertilizer product.
The present invention's realizes that step is as follows：
1st, in the calcium sulfate and nepheline in ardealite lithium aluminium silicate metathesis reaction：
(1), mineral are broken thin：Ardealite is levigate to -200 Mu≤95wt% in ball mill
Nepheline ore deposit crushes centimetre stone in jaw crusher, then levigate to -200 Mu≤95wt% through 2 ball mills.
(2), material is compounded：Sulfate radical in potassium, the mass percent of aluminium and its required and metathesis reaction ardealite as contained by nepheline
By 1:1.2-1.3 modulus is matched, and is well mixed in batch mixer.
(3), calcination：Material after above-mentioned be mixed is heated to 800-900 DEG C in reverberatory furnace, repeatedly stirring roasting 2-3h
Carry out metathesis reaction.（Interval 10-20min stirs a material）.
2nd, reaction mass heats the molten leaching potassium sulfate and aluminum sulfate of autoclaving：
(1) pressurization, is carried out to reaction mass in the supercharging chuck heating response kettle of lining stainless steel and heats boiling：
Water is solvent, and liquid-solid ratio is water：Reaction mass=2.5-3:1
Reaction temperature：210-230℃
Mixing speed：60n/min
Reaction time：Reach 1.5-2h under reaction temperature
(2) after the completion of, reacting, in anti-corrosion plate and frame filter press（Rubber or polypropylene）Middle progress solid-liquor separation and washing：Solution send heavy
Aluminium point potassium process, wash water send cooking process to make water distribution, and solid slag, which is sent, sells ceramics, fire proofing material, insulation material and medicinal active material
Raw material.
3rd, potassium, the heavy aluminium of carbonization of aluminium mixed solution carry out potassium aluminium separation：Mixed liquor is sent into stainless steel clamp set heating response kettle
Heavy reactive aluminum is carried out, ammonium hydrogen carbonate addition is controlled with pH：
Reaction temperature：30-60℃
Mixing speed：60n/min
PH value when reaction is completed：5.0-5.5
After the completion of reaction, filtration washing, centrifuge drying dehydration are carried out with suction filtration bed, and be washed till and cannot analyse with deionized water
SO4 +2It is limited, solid phase is aluminum carbonate basic, send dry, calcination activated alumina, liquid phase is that ammonium sulfate mixes molten with potassium sulfate
Liquid, send potassium processed, nitrogen, phosphorus compound fertilizer.Wash water send cooking process to make water distribution.
4th, the preparation of active alumina product：
The aluminum carbonate basic that step 3 is obtained, is dried in flash dryer at 150-300 DEG C, enters back into rotating automatic roasting
Calcination is carried out at 500-600 DEG C in solution stove, it is de- to abandon moisture and carbon dioxide, active alumina product is made.
5th, potassium, nitrogen, the preparation of phosphorus composite fertilizer：The potassium sulfate that step 3 is obtained and ammonium sulfate mixed solution, it is concentrated to arrive certain journey
Degree, is absorbed with ground phosphate rock or general calcium or coarse whiting after being mixed, and curing, turning, dry obtained potassium, nitrogen, phosphorus and various trace elements are multiple
Close fertilizer product.（According to product potassium, the requirement of the content of nitrogen and phosphorous ratio, the concentrating degree of selection potassium sulfate and ammonium sulfate mixed liquor
And any from ground phosphate rock, general calcium, in coarse whiting is used as sorption enhanced agent.For example：If composite fertilizer contains K:N:P=10:10:10,
Concentration can be diluter, and sorption enhanced agent is made with ground phosphate rock；K:N:P=15:15:15, then appropriateness can be concentrated, can be absorbed with general calcium
Transforming agent；K:N:P=20:20:20, then concentration height can be concentrated, sorption enhanced agent etc. is made with coarse whiting）.
6th, the commercialization of calcium silicates slag is utilized：
Step 2 separating, washing is neutral calcium silicates slag, and the high-purity calcium silicates slag for being -200 mesh≤95wt% can be directly as pottery
The raw materials of industry such as porcelain, refractory material, insulation material and medicinal activity material are sold.Also patent of invention can be used《Nepheline ore deposit it is complete wet
Method chemical industry metallurgical method of comprehensive utilization》Activation gasification silicon therein further produces the gas-phase silica of high value（Gas phase dioxy
SiClx）Product.
The beneficial effects of the invention are as follows
1st, waste residue maximum in the Chemical Manufacture being difficult to work with now is solved --- the turning waste into wealth of ardealite, turn bane into boon
Problem.Solve the Problems of Socialization of severe contamination.
2nd, the sulfate radical of ardealite ~ 60%, Sulphur ressource will be accounted for effectively to use in the comprehensive development and utilization of nepheline ore deposit, not only improved
The value of ardealite, reduces the original of nepheline ore deposit comprehensive development and utilization using sulfuric acid as the cost of raw material again.
3rd, the project output three economic benefits and all preferable product of social benefit：Potassium compound fertilizer alleviates and to solve China tight
The pressure of weight potassium deficiency and a large amount of import potash fertilizer；Activated alumina, which is alleviated, is largely used as disintegrating agent and absorption in petroleum refining industry
Agent, partly by the market pressure of import；Ardealite that will be harmful, is converted to high-purity calcium silicates, can not only be directly used as ceramics,
The raw material of cement.And because it is in the case of sintering temperature control, pore opening, degree of crook and the linear receipts of calcium silicates
Contracting can produce denaturation influence, be widely used in insulation material, refractory material, constitution coating and carrier, filter aid, different Longhai City's algal gel,
Candy polishing agent etc..More due to the good biocompatibility and bioactivity and its bone-forming effect of calcium silicates, in medical treatment, medicine
On, it is used for artificial bone grafting as bioactive materials and activity plants the advanced purposes such as tooth.
4th, not yet effective exploitation is developed using " grafting " property of resource so far greatly for ardealite and nepheline ore deposit two, is chemical industry metallurgical technology
An invention, in science and technology, social benefit, economic benefit aspects, be all of great importance.
5th, while huge waste residue is effectively utilized.The ring that resource when secondary operation is utilized effectively is comprehensively utilized is taken into full account
Border protection problem, does not have " three wastes " discharge, has accomplished that the secondary Comprehensive using with Mining Development of waste residue is utilized, has impeached and abandon dirt
Dye, environmental protection.
Example is embodied：
Example one：Unit of Kunyang Phosphate Fertilizer Factory ardealite is comprehensively utilized with the chemical industry metallurgical that Geju City nepheline ore deposit is developed jointly
First, raw material Main elements analysis：
2nd, technological process：
Will through jaw crusher the broken, ardealite that ball mill is levigate and nepheline ore deposit, after being fully mixed, be placed in reverberatory furnace and roast
Burn, carry out metathesis reaction, during carry out being sufficiently stirred for promoting reaction complete.After the completion of reaction, by the reactant after cooling
It is placed in lining stainless steel supercharging chuck heating response kettle and adds water（Slag washing water）Pressurization heats boiling and leaches potassium sulfate and aluminum sulfate.Leaching
After the completion of going out, leaching thing carries out solid-liquor separation in anti-corrosion plate and frame filter press：Leaching liquid send heavy aluminium point potassium process, is washed till neutrality
Calcium silicates slag, which is sent, makees the materials such as ceramics, and wash water is used as the molten potassium of boiling, aluminium water.Leaching liquid adds carbon in stainless steel jacket reactor
Sour hydrogen ammonium reaction precipitation aluminium is aluminum carbonate basic, and reaction completes to carry out solid-liquor separation；Solid phase is aluminum carbonate basic, through washing（Wash
Water is used as boiling with water-soluble leaching potassium, aluminium）, dry calcination, be made active alumina product；With phosphorus raw material after liquid phase concentration（Phosphorus ore
Powder or general calcium or coarse whiting）Absorb, curing is converted, dry obtained potassium, nitrogen, phosphorus compound fertilizer.
3rd, process conditions：
1st, mineral granularity：Ardealite：Cross 200 mesh >=95wt%, nepheline ore deposit：Cross 200 mesh >=95wt%.
2 roasting conditions：
(1), material proportion：Ardealite：Nepheline ore deposit=1:1.9（Dry weight ratio）
(2), sintering temperature：800±30℃
(3), roasting time：2h is calcined after Da Wen, interval 20min stirrings are once.
3rd, boiling leaching condition：
(1), molten solid proportioning：Water（Wash water）：Roasting material=3:1
(2), boiling temperature：220±10℃
(3), mixing speed：60n/min
(4), the reaction time：1.5h after Da Wen
(5), calcium silicates（Slag）It is washed till neutrality
4th, the aluminium that sinks divides potassium condition：
(1), reaction temperature：45±5℃
(2), mixing speed：60n/min
(3), reaction end pH value：5.0-5.5
(4), the reaction time：20min after pH is no longer fluctuated
(5), aluminum carbonate basic, which is washed till, can't check SO4 +2
5th, aluminum carbonate basic calcination condition：
(1), drying temperature：250±30℃
(2), moisture is dried：≦3%
(3), calcination temperature：580±20℃
6th, potassium, nitrogen, phosphatic compound fertilizer condition：
(1) potassium sulfate, after heavy aluminium, ammonium sulfate mixed liquor concentration press compound fertilizer finished product K:N:P=10:10:Needed for 10, it is concentrated into corresponding
Concentration.
(2), the ground phosphate rock of phosphorus content is compounded with above-mentioned concentrate as needed for said ratio（N, P can be contained with the adjustment of phosphorus ammonium if necessary
Amount）.
(3), mixing material is cured, turning, drying, be made nitrogen, phosphorus, K compound fertilizer.
4th, this example products obtained therefrom, byproduct index：
1st, Product Activity aluminum oxide：
| Index name | Index |
| Al2O3 | 96.18% |
| SiO2 | 0.11% |
| Fe2O3 | 0.13% |
| Na2O | 0.08% |
| Total sulfur content | 0.03% |
| Specific surface area | 283m2/g |
2nd, product phosphorus, nitrogen, potassium compound fertilizer：
| Index name | Index |
| N | 13.5% |
| P2O5 | 12.4% |
| K2O | 11.8% |
3rd, byproduct calcium silicates：
| Index name | Index |
| CaO | 46.84（Butt） |
| SiO2 | 46.39（Butt） |
The chemical industry metallurgical that example two, Red River phosphate fertilizer plant ardealite and Geju City nepheline ore deposit are developed jointly is comprehensively utilized
First, raw material Main elements analysis：
2nd, technological process：
Will through jaw crusher the broken, ardealite that ball mill is levigate and nepheline ore deposit, after being fully mixed, be placed in reverberatory furnace and roast
Burn, carry out metathesis reaction, during carry out being sufficiently stirred for promoting reaction complete.After the completion of reaction, by the reactant after cooling
It is placed in lining stainless steel supercharging chuck heating response kettle and adds water（Slag washing water）Pressurization heats boiling and leaches potassium sulfate and aluminum sulfate.Leaching
After the completion of going out, leaching thing carries out solid-liquor separation in anti-corrosion plate and frame filter press：Leaching liquid send heavy aluminium point potassium process, is washed till neutrality
Calcium silicates slag, which is sent, makees ceramic material, and wash water is used as the molten potassium of boiling, aluminium water.Leaching liquid adds carbonic acid in stainless steel jacket reactor
Hydrogen ammonium reaction precipitation aluminium is aluminum carbonate basic, and reaction completes to carry out solid-liquor separation；Solid phase is aluminum carbonate basic, through washing（Wash water
As boiling with water-soluble leaching potassium, aluminium）, dry calcination, be made active alumina product；With phosphorus raw material after liquid phase concentration（Ground phosphate rock
Or general calcium or coarse whiting）Absorb, curing is converted, dry obtained potassium, nitrogen, phosphorus compound fertilizer.
3rd, process conditions：
1st, mineral granularity：Ardealite：Cross 200 mesh >=95wt%, nepheline ore deposit：Cross 200 mesh >=95wt%.
2 roasting conditions：
(1), material proportion：Ardealite：Nepheline ore deposit=1:1.8（Dry weight ratio）
(2), sintering temperature：850±30℃
(3), roasting time：1.5h is calcined after Da Wen, interval 15min stirrings are once.
3rd, boiling leaching condition：
(1), molten solid proportioning：Water（Wash water）：Roasting material=2.5:1
(2), boiling temperature：210±10℃
(3), mixing speed：60n/min
(4), the reaction time：1.5h after Da Wen
(5), calcium silicates（Slag）It is washed till neutrality
4th, the aluminium that sinks divides potassium condition：
(1), reaction temperature：45±5℃
(2), mixing speed：60n/min
(3), reaction end pH value：8.5-8.8
(4), the reaction time：20min after pH is no longer fluctuated
(5), aluminum carbonate basic, which is washed till, can't check SO4 +2
5th, aluminum carbonate basic calcination condition：
(1), drying temperature：250±30℃
(2), moisture is dried：≦3%
(3), calcination temperature：580±20℃
6th, nitrogen, phosphorus, potassium compound fertilizer working condition：
(1) potassium sulfate, after heavy aluminium, ammonium sulfate mixed liquor concentration press compound fertilizer finished product K:N:P=15:15:Needed for 15, it is concentrated into corresponding
Concentration.
(2), the general calcium of phosphorus content is compounded with above-mentioned concentrate as needed for said ratio.（N, P can be contained with the adjustment of phosphorus ammonium if necessary
Amount）.
(3), above-mentioned mixing material is cured, turning, drying, be made nitrogen, phosphorus, K compound fertilizer.
4th, this example products obtained therefrom, byproduct index：
1st, Product Activity aluminum oxide：
| Index name | Index |
| Al2O3 | 95.89% |
| SiO2 | 0.093% |
| Fe2O3 | 0.11% |
| Na2O | 0.077% |
| Total sulfur content | 0.21% |
| Specific surface area | 269m2/g |
2nd, product phosphorus, nitrogen, potassium compound fertilizer：
| Index name | Index |
| N | 16.13% |
| P2O5 | 15.91% |
| K2O | 15.88% |
3rd, byproduct calcium silicates：
| Index name | Index |
| CaO | 47.18（Butt） |
| SiO2 | 48.81（Butt） |
Example three：Xuanwei phosphorous chemical industry head factory ardealite and the chemical industry metallurgical comprehensive utilization that the joint development of nepheline ore deposit can be managed
First, raw material Main elements analysis：
2nd, technological process：
Will through jaw crusher the broken, ardealite that ball mill is levigate and nepheline ore deposit, after being fully mixed, be placed in reverberatory furnace and roast
Burn, carry out metathesis reaction, during carry out being sufficiently stirred for promoting reaction complete.After the completion of reaction, by the reactant after cooling
It is placed in lining stainless steel supercharging chuck heating response kettle and adds water（Slag washing water）Pressurization heats boiling and leaches potassium sulfate and aluminum sulfate.Leaching
After the completion of going out, leaching thing carries out solid-liquor separation in anti-corrosion plate and frame filter press：Leaching liquid send heavy aluminium point potassium process, is washed till neutrality
Calcium silicates slag, which is sent, makees ceramic material, and wash water is used as the molten potassium of boiling, aluminium water.Leaching liquid adds carbonic acid in stainless steel jacket reactor
Hydrogen ammonium reaction precipitation aluminium is aluminum carbonate basic, and reaction completes to carry out solid-liquor separation；Solid phase is aluminum carbonate basic, through washing（Wash water
As boiling with water-soluble leaching potassium, aluminium）, dry calcination, be made active alumina product；With phosphorus raw material after liquid phase concentration（Ground phosphate rock
Or general calcium or coarse whiting）Absorb, curing is converted, dry obtained potassium, nitrogen, phosphorus compound fertilizer.
3rd, process conditions：
1st, mineral granularity：Ardealite：Cross 100 mesh >=95wt%, nepheline ore deposit：Cross 100 mesh >=95wt%.
2nd, roasting condition：
(1), material proportion：Ardealite：Nepheline ore deposit=1:2.0（Dry weight ratio）
(2), sintering temperature：830±30℃
(3), roasting time：2h is calcined after Da Wen, interval 15min stirrings are once.
3rd, boiling leaching condition：
(1), molten solid proportioning：Water（Wash water）：Roasting material=3:1
(2), boiling temperature：200±10℃
(3), mixing speed：60n/min
(4), the reaction time：1.5h after Da Wen
(5), calcium silicates（Slag）It is washed till neutrality
4th, the aluminium that sinks divides potassium condition：
(1), reaction temperature：45±5℃
(2), mixing speed：60n/min
(3), reaction end pH value：5.0-5.5
(4), the reaction time：20min after pH is no longer fluctuated
(5), aluminum carbonate basic, which is washed till, can't check SO4 +2
5th, aluminum carbonate basic calcination condition：
(1), drying temperature：250±30℃
(2), moisture is dried：≦3%
(3), calcination temperature：580±20℃
6th, potassium, nitrogen, phosphatic compound fertilizer condition：
(1) potassium sulfate, after heavy aluminium, ammonium sulfate mixed liquor concentration press compound fertilizer finished product K:N:P=20:20:Needed for 20, it is concentrated into corresponding
Concentration.
(2), the coarse whiting of phosphorus content or phosphorus ammonium are compounded with above-mentioned concentrate as needed for said ratio.
(3), above-mentioned mixing material is cured, turning, drying, be made phosphorus, nitrogen, K compound fertilizer.
4th, this example products obtained therefrom, byproduct index：
1st, Product Activity aluminum oxide：
| Index name | Index |
| Al2O3 | 96.03% |
| SiO2 | 0.087% |
| Fe2O3 | 0.12% |
| Na2O | 0.068% |
| Total sulfur content | 0.19% |
| Specific surface area | 286m2/g |
2nd, product phosphorus, nitrogen, potassium compound fertilizer：
| Index name | Index |
| N | 22.08% |
| P2O5 | 21.83% |
| K2O | 21.09% |
3rd, byproduct calcium silicates：
| Index name | Index |
| CaO | 46.71（Butt） |
| SiO2 | 48.39（Butt） |
Claims (6)
1. a kind of Combined Treatment ardealite and nepheline ore deposit, the chemical industry metallurgical for producing Huo Yangization Lv ﹑ potassium compound fertilizers and calcium silicates are integrated
Application way.Its feature is：Salt roasting and metathesis reaction principle are added according to chemical industry metallurgical, ardealite and nepheline ore deposit are ground
It is thin to mix roasting；Burned material carried out by leaching agent of water pressurization heat, boiling leach, make metathesis reaction generate aluminum sulfate and
Potassium sulfate enters solution；Obtained aluminum sulfate and potassium sulfate solution is leached, makees heavy aluminium agent with ammonium hydrogen carbonate, is reacted with mixed liquor,
Obtain basic carbonate aluminum precipitation ﹑ and do the obtained active alumina product of dry ﹑ calcinations；Potassium sulfate and the ammonium sulfate liquor warp separated
After concentration, with phosphorated material（Lin Kuang Fen ﹑ Pu Gai ﹑ coarse whitings）Dan ﹑ Lin ﹑ K compound fertilizers are made after drying in Xi Shou ﹑ Shuization ﹑ Fan Dui ﹑.
It is calcium silicate products that boiling wash heat after metathesis reaction, which is washed to neutrality,.Or secondary conversion exploitation is the gas phase hard charcoal of high value
It is black.
2. Combined Treatment ardealite according to claim 1 and nepheline ore deposit, produce Huo Yangization Lv ﹑ potassium compound fertilizers and calcium silicates
Chemical industry metallurgical method of comprehensive utilization, its feature is：Ardealite and nepheline miberal powder comminution is thin to~200 mesh >=95wt%, press
The 1 of the modulus of sulfate radical in aluminium and potassium amount, ardealite needed for metathesis reaction contained by nepheline：1.2~1.3 times of progress ardealites
Compounding, and at a temperature of 800~900 DEG C carry out 2~3h roasting, stir a material every 10~20min therebetween.
3. Combined Treatment ardealite according to claim 1 and nepheline ore deposit, produce Huo Yangization Lv ﹑ potassium compound fertilizers and calcium silicates
Chemical industry metallurgical method of comprehensive utilization, its feature is：It is calcined material（Clinker）It is cooled to after normal temperature, it is anti-in stainless steel supercharging chuck
Answer in kettle, with water as solvent, pressurization is heated, the aluminum sulfate and potassium sulfate converted is leached in boiling, and liquid-solid ratio is：Water：Clinker=
2.5~3：1,210~230 DEG C of reaction temperature, 1.5~2h of mixing speed 60n/min reaction time.After the completion of reaction, in rubber
Solid-liquor separation and washing are carried out in plate and frame filter press, the solid phase for being washed till neutrality is calcium silicate products；Liquid phase is aluminum sulfate and sulfuric acid
Potassium mixed solution, send heavy aluminium point potassium process；Wash water is returned as leaching water.
4. Combined Treatment ardealite according to claim 1 and nepheline ore deposit, produce Huo Yangization Lv ﹑ potassium compound fertilizers and calcium silicates
Chemical industry metallurgical method of comprehensive utilization, its feature is：In stainless steel jacket reactor, with ammonium hydrogen carbonate to Liu Suan Lv ﹑ sulphur
Sour potassium mixed solution carries out heavy aluminium point nak response.30~60 DEG C of reaction temperature, mixing speed 60n/min, the pH value of reaction end
5.0~5.5, reaction time：20 min after pH is no longer fluctuated.After the completion of reaction, separation of solid and liquid is carried out with suction filtration bed, and with go from
Son, which is washed to, can't check SO4 +2It is limited.Wash water send boiling water distribution；Solid phase aluminum carbonate basic send calcination process；Mother liquor Liu Suan Jia ﹑ sulphur
Sour ammonium mixed liquor send compound fertilizer production process.
5. Combined Treatment ardealite according to claim 1 and nepheline ore deposit, produce Huo Yangization Lv ﹑ potassium compound fertilizers and calcium silicates
Chemical industry metallurgical method of comprehensive utilization, its feature is：Aluminum carbonate basic is placed in flash dryer at 150~300 DEG C
Row drying, then enter to carry out calcination in rotating automatic calcination stove at 500~600 DEG C, active oxygen is made in removing moisture and carbon dioxide
Change aluminium product.
6. Combined Treatment ardealite according to claim 1 and nepheline ore deposit, produce Huo Yangization Lv ﹑ potassium compound fertilizers and calcium silicates
Chemical industry metallurgical method of comprehensive utilization, its feature is：Liu Suan Jia ﹑ ammonium sulfate mixed solutions after heavy aluminium, it is concentrated to certain
After degree, ground phosphate rock is used（Or Pu Gai ﹑ coarse whitings）Xi Shou ﹑ Shuization ﹑ Fan Dui ﹑, which are dried, is made Nitrogen-Phosphorus-Potassium compound fertilizer.Mixed liquor concentrates concentration
Control and phosphate material（Ground phosphate rock or Pu Gai ﹑ coarse whitings）Selection, be the high low level according to compound fertilizer ﹑ containing nitrogen phosphorus ﹑ potassium（Such as N：P：
K is 10：10：10；15：15：15；20：20：20）Depending on.It can be adjusted if necessary with phosphorus ammonium.
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|---|---|---|---|---|
| SU557072A1 (en) * | 1975-10-30 | 1977-05-05 | Государственный Всесоюзный Научно-Исследовательский Институт Строительных Материалов И Конструкций Им. П.П.Будникова | Raw mixture to produce a live |
| US20040014845A1 (en) * | 2000-12-18 | 2004-01-22 | Koichi Takamura | Asphalt-based formulations and method of making and using the same for paving and coating applications |
| CN101333597A (en) * | 2008-03-25 | 2008-12-31 | 戴元宁 | Chemical industry metallurgical comprehensive approach for nepheline ore by completely-wet method |
| CN101607834A (en) * | 2009-07-14 | 2009-12-23 | 昆明理工大学 | Utilize potassium-bearing mineral, phosphogypsum and high sulphur coal to prepare the method for potash fertilizer and co-producing sulfuric acid |
| CN101734698A (en) * | 2009-09-08 | 2010-06-16 | 东北大学 | Method for preparing aluminum oxide from aluminiferous material |
| CN104388668A (en) * | 2014-10-30 | 2015-03-04 | 北京矿冶研究总院 | Method for acid-alkali combined extraction of aluminum, potassium and sodium from water-insoluble potassium ore |
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2016
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU557072A1 (en) * | 1975-10-30 | 1977-05-05 | Государственный Всесоюзный Научно-Исследовательский Институт Строительных Материалов И Конструкций Им. П.П.Будникова | Raw mixture to produce a live |
| US20040014845A1 (en) * | 2000-12-18 | 2004-01-22 | Koichi Takamura | Asphalt-based formulations and method of making and using the same for paving and coating applications |
| CN101333597A (en) * | 2008-03-25 | 2008-12-31 | 戴元宁 | Chemical industry metallurgical comprehensive approach for nepheline ore by completely-wet method |
| CN101607834A (en) * | 2009-07-14 | 2009-12-23 | 昆明理工大学 | Utilize potassium-bearing mineral, phosphogypsum and high sulphur coal to prepare the method for potash fertilizer and co-producing sulfuric acid |
| CN101734698A (en) * | 2009-09-08 | 2010-06-16 | 东北大学 | Method for preparing aluminum oxide from aluminiferous material |
| CN104388668A (en) * | 2014-10-30 | 2015-03-04 | 北京矿冶研究总院 | Method for acid-alkali combined extraction of aluminum, potassium and sodium from water-insoluble potassium ore |
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