CN101891521A - Silicon-calcium-magnesium-sulfur fertilizer and preparation process thereof - Google Patents
Silicon-calcium-magnesium-sulfur fertilizer and preparation process thereof Download PDFInfo
- Publication number
- CN101891521A CN101891521A CN 201010245260 CN201010245260A CN101891521A CN 101891521 A CN101891521 A CN 101891521A CN 201010245260 CN201010245260 CN 201010245260 CN 201010245260 A CN201010245260 A CN 201010245260A CN 101891521 A CN101891521 A CN 101891521A
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- Prior art keywords
- slag
- acid
- calcium
- silicon
- magnesium
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D3/00—Calcareous fertilisers
- C05D3/04—Calcareous fertilisers from blast-furnace slag or other slags containing lime or calcium silicates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B5/00—Thomas phosphate; Other slag phosphates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
- C05D9/02—Other inorganic fertilisers containing trace elements
Abstract
The invention relates to dreg fertilizers, in particular to a silicon-calcium-magnesium-sulfur fertilizer and a preparation process thereof. The fertilizer takes steel slag, blast furnace slag, cupola furnace slag, ferro-alloy residue, non-ferrous metallic slag and coal ash as raw materials, and the form thereof is in powder or granulate, and the fertilizer comprises the following chemical compositions by weight percent: at least 9% of Si, at least 14% of Ca, at least 1.5% of Mg, at least 0.1% of S, at least 1.5% of Fe, at least 0.1% of Mb, wherein the pH value is 5.0-8.0. The preparation process comprises the following steps: burdening the materials according to the chemical composition requirements; mixing the materials; adding an acidizer for acid treatment, wherein the acidizer comprises sulfuric acid, nitric acid, phosphoric acid and hydrochloric acid; and burdening and pelleting. The invention enables the 100% treatment of the metallurgy solidwaste to be feasible; the silicon-calcium-magnesium-sulfur fertilizer has extremely widely adaptability to soil, can be used as the raw materials of compound fertilizers, and enable the agriculture product to have obvious increase production; and the preparation method has simple process, sufficient raw materials, low production cost and does not generate the three wastes, i.e. solid, liquid and gas wastes.
Description
Technical field
The present invention relates to metallurgical industry solid waste and relevant industries trade waste is the method for raw material production slag fertilizer, particularly a kind of silicon-calcium-magnesium-sulfur fertilizer and preparation technology thereof.
Background technology
1, domestic slag fertilizer development and production situation.
Domestic research slag fertilizer does not adopt chemical mode to handle mainly based on single slag substantially, mainly based on following steel mill:
Forestry soil institute of the Chinese Academy of Sciences in 1958 is at Anshan iron and steel plant research iron and steel slag.Illustrate slag in multiple soil, corn, jowar, paddy rice, cotton are all had production-increasing function.
Yangquan steel mill in 1980 proposes (blast furnace dust composite fertilizer with trace elements) makes vegetables, fruit, corn, paddy rice that volume increase all be arranged, and has improved the quality of agricultural-food.
Lianyuan steel mill bessemer furnace slag in 1987 is directly produced agricultural fertilizer through Physical Processing and is used (only appropriate acid soil).Make paddy rice, barley, sweet potato production increasing, and the effect of improving soil is arranged.
The new results test that Baosteel in 2005 utilizes liquid steel slag to add other elements processing controlled availability fertilizers is achieved success.Be used for showing after the potato planting test, crop growth " stature " height, and harvest increases more than 15%.
On November 19th, 2008, Taiyuan Iron and Steel Co. and group company of HAAS section signature letter of intention for co-operation, both sides will set up slag tailings processing and utilizing company jointly, adopt state-of-the-art in the world treatment technology and management philosophy, slag is fully utilized, and product mainly contains the fertilizer of cement additire, agricultural fertilizer and golf course lawn etc.
2, external slag fertilizer development and production situation.
It is remote that external employing metallurgical slag is produced the fertile time of farming, and method is a lot: add material, chemical treatment in the slag.
(1) adopts interpolation material composting material in the slag.
Soviet Union SU 15404277 adds additive and carries out oxygen blast in molten steel slag.Cooling upper back table body enriched phosphorus, bottom liquid enrichment ferric oxide makes phosphorus be enriched to 21.5% (P
2O
5).
Brazil BR 8903714 blows into P, Si, Mg, K mixture 1200 ℃ of slag liquid with oxygen and makes fertilizer.
Belgium BE895197 mixes slag with natural phosphate, slag 20-80%, phosphoric acid salt, aluminate, calcium phosphate 10-40% form H3PO4 after by water treatment, make throw out reach 10-30% (P
2O
5).
(2) by batching compatibilizing ingredient composting material.
Japan J 61170525 blast furnace dirt 50kg, CaSO
42H
2O 7kg, slag 500kg mix cooling and are fertilizer.
The poor phosphoretic steel slag of East Germany DL261145 mud, converter accretion and rhombspar, the Ca that is mixed in proportion, Mg, P fertilizer.
(3) by melting operation residue adjustment composting material
Japan's J56127717 low silicon iron take off S, P adds CaCl
2And CaF
2Promptly stoping phosphoric acid salt to become can not dissolved salt, does not hinder the fusing point that takes off S, P and reduce slag again, makes as early as possible and separates from molten iron, and soluble phosphate is fabulous fertilizer.
Britain GB1179246 converter steelmaking, by improving oxygen top blown, P content makes basic slag fertilizer in the increase slag.
(4) by chemical treatment composting material.
The hydrous oxide of vanadium leaches vanadic salts by carbonate in the West Germany DE3006264 slag, has both got V
2O
2Solution obtains phosphate fertilizer again.
Japan's J01168791 lawn soil modifying agent is to add fertilizer 1-30% in converter slag, add acid and acid material 0.5-5%, add mineral vegetable mould 1-30%, the rotary drum of packing into add again acid polyethylene, first hydroxylated cellulose mix 3 minutes promptly packing dispatch from the factory.
Summary of the invention
The present invention aims to provide a kind of wide to soil suitability, can be used as the raw material of compound fertilizer, and production technique is simple, cost is low, do not produce the silicon-calcium-magnesium-sulfur fertilizer and the preparation technology thereof of the solid-liquid gas three wastes.
The technical solution used in the present invention is:
A kind of silicon-calcium-magnesium-sulfur fertilizer, it is a raw material with slag, blast furnace slag, iron-tion slag, ferroalloy slag, non-ferrous metal slag and flyash, handles and makes through the soda acid chemical reaction, form is Powdered or particulate state, when it is Powdered, and granularity≤0.15mm, during its particulate state, granularity is 0.5mm-1mm, by weight percentage, contain in its chemical ingredients: at least 9% Si, at least 14% Ca, at least 1.5% Mg, at least 0.1% S, at least 1.5% Fe, at least 0.1% Mn; Its Ph value is 5.0～8.0.
The preparation technology of above-mentioned silicon-calcium-magnesium-sulfur fertilizer, carry out as follows:
A. batching:, select slag, blast furnace slag, iron-tion slag, ferroalloy slag, non-ferrous metal slag, the raw material umber of flyash in mixture by the chemical ingredients requirement that contains at least 9% Si, at least 14% Ca, at least 1.5% Mg, at least 0.1% S, at least 1.5% Fe, at least 0.1% Mn in the mixture;
B. batch mixing: the slag removal of impurities is after fragmentation, deironing, go into the mixer batch mixing after being milled to institute's specification that requires, other slag removal of impurities after fragmentation, be milled to go into the mixer batch mixing after the specification that requires, flyash mixes with each slag charge directly into mixer;
C. add acidizer in the mixture that acid treatment: step b obtains and carry out the processing of soda acid chemical reaction, the add-on of acidizer is 5.0～8.0 interpolations by the silicon-calcium-magnesium-sulfur fertilizer work in-process Ph value that finally obtains, the soda acid chemical reaction temperature is controlled between 25～60 ℃, described acidizer comprises sulfuric acid, nitric acid, phosphoric acid, hydrochloric acid, formulated by following mixed: sulfuric acid 40～60%, nitric acid 20～30%, phosphatase 11 0～15%, hydrochloric acid 10～15%;
D. the granulation of preparing burden: the silicon-calcium-magnesium-sulfur fertilizer work in-process that step c is obtained are processed into Powdered finished product, granularity≤0.15mm; Or being processed into the particulate state finished product, granularity is 0.5mm-1mm.
Compared with prior art, outstanding feature of the present invention is: can carry out the preparation of raw material according to soil characteristic, change soluble salt into by specific chemical treatment mode, the plant nutrient ingredient that improves available state greatly is in order to plant absorbing, not only can reach purpose to increasing crop yield, and improve the quality of fruit greatly and improve its mouthfeel, also can improve disease resistance and the lodging resistance of plant simultaneously greatly.
It is feasible that the present invention is treated as metallurgical solid waste 100%, and the silicon-calcium-magnesium-sulfur fertilizer of being produced is very extensive to the adaptability of soil, and can be used as the raw material of compound fertilizer; Its production technique is simple, sufficient raw, and production cost is low, can not produce the solid-liquid gas three wastes, can not cause secondary environmental pollution.Following table is a silicon-calcium-magnesium-sulfur fertilizer increasing crop yield effect test cartogram of the present invention, and effect of increasing production is obvious.
Embodiment
Below in conjunction with embodiment in detail the present invention is described in detail.
The preparation technology of the described silicon-calcium-magnesium-sulfur fertilizer of present embodiment, its step comprise that preparation of raw material, machining processes, chemical process are handled and the batching granulation, and concrete division is as follows:
Preparation of raw material: table 1 has provided four kinds of different material prescriptions of silicon-calcium-magnesium-sulfur fertilizer, and table 2 has provided the chemical ingredients and the Ph value of described four kinds of silicon-calcium-magnesium-sulfur fertilizers.
Machining processes is undertaken by following operation:
Slag with brick, foreign material remove back → enter jaw crusher → belt carry in by tramp iron separator deironing → send to roll the desired specification of deironing again → goal grinding machine behind the masher → be machined to → (≤0.15mm) → whole deironing → pneumatic conveyer → feed bin (meter is heavy) → helical stir mixer.
Other slags with brick, foreign material remove back → enter jaw crusher → belt and carry → send to roll the desired specification of masher → goal grinding machine → be machined to → (≤0.15mm) → pneumatic conveyer → feed bin (meter is heavy) → helical stir mixer.
Flyash → belt conveying → feed bin (meter is heavy) → helical stir mixer.
Chemical process is handled: table 3 has provided the acidizer allocation ratio, and the acidizer configuration proportion all satisfies: sulfuric acid 40～60%, nitric acid 20～30%, phosphatase 11 0～15%, hydrochloric acid 10～15%.The half-finished Ph value of its silicon-calcium-magnesium-sulfur fertilizer all is controlled in 5.0～8.0 scopes.Chemical process is handled and is undertaken by following operation:
Configuration acidizer → container (meter is heavy) → helical stir mixer (adding acid base catalysator) → chemical treatment container, carry out chemical treatment in 24-72 hour, the soda acid chemical reaction temperature is controlled between 25～60 ℃, pending abundant reaction (decomposition, hydrolysis, complex phase) back → drying machine → silicon-calcium-magnesium-sulfur fertilizer (work in-process).
The batching granulation is undertaken by following operation:
Powdered finished product: silicon-calcium-magnesium-sulfur fertilizer (work in-process) → runner milling, be milled to≤the 0.15mm granularity → through after the assay was approved → metering packing.
The particulate state finished product: silicon-calcium-magnesium-sulfur fertilizer (work in-process) → runner milling, 0.15mm granularity → tablets press (0.5-1.0mm), through after the assay was approved → metering packing.
Select different regions, different crops to test respectively in Hebei by 1#, 2#, 3#, 4# silicon-calcium-magnesium-sulfur fertilizer that above-mentioned steps is made, test-results sees Table 4, and test effect is remarkable.
Table 1
Table 2
Annotate: be not listed as As, Cd, Hg, Cr in the table 2, the Pb harmful element meets national standard through check.
Table 3
Annotate: (1) acidizer 1# handles 1#, 3# raw material; Acidizer 2# handles 2#, 4# raw material.
(2) acidizer concentration is 35%.
Table 4
Claims (2)
1. silicon-calcium-magnesium-sulfur fertilizer, it is a raw material with slag, blast furnace slag, iron-tion slag, ferroalloy slag, non-ferrous metal slag and flyash, handles and makes through the soda acid chemical reaction, form is Powdered or particulate state, when it is Powdered, and granularity≤0.15mm, during its particulate state, granularity is 0.5mm-1mm, by weight percentage, contain in its chemical ingredients: at least 9% Si, at least 14% Ca, at least 1.5% Mg, at least 0.1% S, at least 1.5% Fe, at least 0.1% Mn; Its Ph value is 5.0～8.0.
2. the preparation technology of a silicon-calcium-magnesium-sulfur fertilizer as claimed in claim 1, carry out as follows:
A. batching:, select slag, blast furnace slag, iron-tion slag, ferroalloy slag, non-ferrous metal slag, the raw material umber of flyash in mixture by the chemical ingredients requirement that contains at least 9% Si, at least 14% Ca, at least 1.5% Mg, at least 0.1% S, at least 1.5% Fe, at least 0.1% Mn in the mixture;
B. batch mixing: the slag removal of impurities is after fragmentation, deironing, go into the mixer batch mixing after being milled to institute's specification that requires, other slag removal of impurities after fragmentation, be milled to go into the mixer batch mixing after the specification that requires, flyash mixes with each slag charge directly into mixer;
C. add acidizer in the mixture that acid treatment: step b obtains and carry out the processing of soda acid chemical reaction, the add-on of acidizer is 5.0～8.0 interpolations by the silicon-calcium-magnesium-sulfur fertilizer work in-process Ph value that finally obtains, the soda acid chemical reaction temperature is controlled between 25～60 ℃, described acidizer comprises sulfuric acid, nitric acid, phosphoric acid, hydrochloric acid, formulated by following mixed: sulfuric acid 40～60%, nitric acid 20～30%, phosphatase 11 0～15%, hydrochloric acid 10～15%;
D. granulation: the silicon-calcium-magnesium-sulfur fertilizer work in-process that step c is obtained are processed into Powdered finished product, granularity≤0.15mm; Or being processed into the particulate state finished product, granularity is 0.5mm-1mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010245260 CN101891521A (en) | 2010-08-05 | 2010-08-05 | Silicon-calcium-magnesium-sulfur fertilizer and preparation process thereof |
| PCT/CN2010/077699 WO2012016394A1 (en) | 2010-08-05 | 2010-10-13 | Silicon-calcium-magnesium-sulfur fertilizer and its preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010245260 CN101891521A (en) | 2010-08-05 | 2010-08-05 | Silicon-calcium-magnesium-sulfur fertilizer and preparation process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101891521A true CN101891521A (en) | 2010-11-24 |
Family
ID=43100900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010245260 Pending CN101891521A (en) | 2010-08-05 | 2010-08-05 | Silicon-calcium-magnesium-sulfur fertilizer and preparation process thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101891521A (en) |
| WO (1) | WO2012016394A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102391021A (en) * | 2011-08-15 | 2012-03-28 | 广州钢铁企业集团有限公司 | Method for producing silicon-calcium-magnesium fertilizer by using ironmaking blast furnace water-quenching slag as raw materials |
| CN102807457A (en) * | 2012-09-01 | 2012-12-05 | 曹志强 | Mineral nutrient for ginseng and American ginseng and preparation method of mineral nutrient |
| CN105016351A (en) * | 2015-07-06 | 2015-11-04 | 钢铁研究总院 | Preparation method and system of sustained-release silicon-potassium fertilizer |
| CN107006356A (en) * | 2017-05-22 | 2017-08-04 | 青海顺泰农牧开发有限公司 | A kind of blast furnace granulated slag soilless culture substance and preparation method thereof |
| CN107556062A (en) * | 2017-07-21 | 2018-01-09 | 辽宁东萌肥业科技有限公司 | Quenched from flyash the method that water-soluble silicon prepares multiplex siliceous fertilizer |
| CN108424206A (en) * | 2018-06-04 | 2018-08-21 | 国家能源投资集团有限责任公司 | Flyash acid system residue of aluminum-extracted prepares the method containing silicon composite fertilizer and the utilization method containing silicon composite fertilizer and flyash |
| CN113511924A (en) * | 2020-04-09 | 2021-10-19 | 国家能源投资集团有限责任公司 | Liquid calcium silicon fertilizer and preparation method and application thereof |
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| CN1206703A (en) * | 1997-07-24 | 1999-02-03 | 柳州钢铁金鹏实业总公司 | Silicon-calcium-magnesium fertilizer |
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- 2010-10-13 WO PCT/CN2010/077699 patent/WO2012016394A1/en active Application Filing
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| CN1102172A (en) * | 1993-10-28 | 1995-05-03 | 太原钢铁公司 | Multielement compound fertilizer and making method thereof |
| CN1151390A (en) * | 1996-10-14 | 1997-06-11 | 刁苓荻 | Silicon compound fertilizer and its prepn. method |
| CN1206703A (en) * | 1997-07-24 | 1999-02-03 | 柳州钢铁金鹏实业总公司 | Silicon-calcium-magnesium fertilizer |
| JP2000034185A (en) * | 1998-07-21 | 2000-02-02 | Denki Kagaku Kogyo Kk | Inorganic composition, its production, fertilizer and soil conditioner using the same |
| CN1923764A (en) * | 2006-03-15 | 2007-03-07 | 岳玉友 | Silicon, calcium and magnesium fertilizer |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102391021A (en) * | 2011-08-15 | 2012-03-28 | 广州钢铁企业集团有限公司 | Method for producing silicon-calcium-magnesium fertilizer by using ironmaking blast furnace water-quenching slag as raw materials |
| CN102391021B (en) * | 2011-08-15 | 2013-09-18 | 广州钢铁企业集团有限公司 | Method for producing silicon-calcium-magnesium fertilizer by using ironmaking blast furnace water-quenching slag as raw materials |
| CN102807457A (en) * | 2012-09-01 | 2012-12-05 | 曹志强 | Mineral nutrient for ginseng and American ginseng and preparation method of mineral nutrient |
| CN105016351A (en) * | 2015-07-06 | 2015-11-04 | 钢铁研究总院 | Preparation method and system of sustained-release silicon-potassium fertilizer |
| CN105016351B (en) * | 2015-07-06 | 2017-09-29 | 钢铁研究总院 | A kind of manufacture method and system of spacetabs type Si-K fertilizer |
| CN107006356A (en) * | 2017-05-22 | 2017-08-04 | 青海顺泰农牧开发有限公司 | A kind of blast furnace granulated slag soilless culture substance and preparation method thereof |
| CN107556062A (en) * | 2017-07-21 | 2018-01-09 | 辽宁东萌肥业科技有限公司 | Quenched from flyash the method that water-soluble silicon prepares multiplex siliceous fertilizer |
| CN108424206A (en) * | 2018-06-04 | 2018-08-21 | 国家能源投资集团有限责任公司 | Flyash acid system residue of aluminum-extracted prepares the method containing silicon composite fertilizer and the utilization method containing silicon composite fertilizer and flyash |
| CN113511924A (en) * | 2020-04-09 | 2021-10-19 | 国家能源投资集团有限责任公司 | Liquid calcium silicon fertilizer and preparation method and application thereof |
| CN113511924B (en) * | 2020-04-09 | 2022-10-11 | 国家能源投资集团有限责任公司 | Liquid calcium silicon fertilizer and preparation method and application thereof |
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| Publication number | Publication date |
|---|---|
| WO2012016394A1 (en) | 2012-02-09 |
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Effective date of registration: 20111201 Address after: 064200 south 2nd Ring Road, Hebei, Zunhua Applicant after: Zunhua Lituo Environmental Protection Co., Ltd. Address before: 030009 Shanxi Province, Taiyuan city Xinghualing District victory Bridge Road No. 4 23-12 Applicant before: Zhao Huisheng |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101124 |