SU700516A1 - Method of thermal processing of phosphate raw material - Google Patents
Method of thermal processing of phosphate raw materialInfo
- Publication number
- SU700516A1 SU700516A1 SU742002106A SU2002106A SU700516A1 SU 700516 A1 SU700516 A1 SU 700516A1 SU 742002106 A SU742002106 A SU 742002106A SU 2002106 A SU2002106 A SU 2002106A SU 700516 A1 SU700516 A1 SU 700516A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- raw material
- phosphate
- phosphate raw
- thermal processing
- fertilizer
- Prior art date
Links
- 229910019142 PO4 Inorganic materials 0.000 title description 10
- 239000010452 phosphate Substances 0.000 title description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 title description 9
- 239000002994 raw material Substances 0.000 title description 8
- 238000000034 method Methods 0.000 title description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 239000003337 fertilizer Substances 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002686 phosphate fertilizer Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 101150004094 PRO2 gene Proteins 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052586 apatite Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Fertilizers (AREA)
Description
Изобретение относитс к области химической промышленности, конкретно к методам термического получени из фосфатного сырь удобрени или минеральной фосфатной подкормки дл животноводства.The invention relates to the field of the chemical industry, specifically to methods for the thermal production of fertilizer from a phosphate raw material or mineral phosphate fertilizer for animal husbandry.
Известны способы термической обработки фосфатного сырь путем смешени последнего с фосфатной кислотой, гранулировани смеси и обжига в п рисутствии паров воды с целью получени удобрени или минеральной фосфатной подкормю дл животноводства.Methods are known for the thermal treatment of phosphate raw materials by mixing the latter with phosphate acid, granulating the mixture and burning in the presence of water vapor in order to obtain fertilizer or mineral phosphate feed for animal husbandry.
Известны способы, s которых дл обеспечени необходимого снижени з конечном продукте содержани фтора смешение фосфатного-сырь с фосфорной кислотой ведетс в присутствии таких компонентов как серна кислота, содовые лррдукты 1И кремнезем, которые пр ивод т к уменьшению содержани л-сво емого PvO 1, 2, 3.There are known methods, which, in order to provide the required reduction of the fluorine content in the final product, the mixing of phosphate raw material with phosphoric acid is carried out in the presence of such components as sulfuric acid, soda dioxide and silicon, which leads to a decrease in the content of PvO 1, 2 3
Дополнительные компоненты в .р де случаев при термической обработке выдел ют в газовую фазу такие соеди-нени SO2, 5Оз, НС1, которые затрудн ют утилизацию фторсодержащих соединений, вл ющихс отходом процесса термической переработки фосфатного сырь . Смешивание с фосфатны.м сырьем дополнительных компонентов усложн ет технологическую Additional components in heat treatment during the heat treatment release into the gas phase such compounds SO2, 5Оз, НС1, which complicate the utilization of fluorine-containing compounds, which are a waste of the process of thermal processing of phosphate raw materials. Mixing with phosphate materials, raw materials of additional components complicates the technological
схему производства, увеличивает число отрицательных возмущений на стадии загрузки сырь в обл иговый аппарат.production scheme, increases the number of negative disturbances at the stage of loading the raw material into the regional apparatus.
Наиболее близким к предлагаемому изобретению по технической сущности к достигаемому рсз льтату .вл етс способ, в котором фосфатному сырью-апатитовому концентрату добавл етс 1,45 % PvO.-, в виде фосфорной кислоты 7,2-14,5% РгОг,, смесь гранулируетс и обжигаетс в присутствии паров воды при 1420-1460° С. Полученный продукт содержит The closest to the proposed invention to the technical essence to be achieved in the RSL latta. Is the way in which the phosphate raw apatite concentrate is added 1.45% PvO.-, in the form of phosphoric acid 7.2-14.5% of PrO2, the mixture granulated and fired in the presence of water vapor at 1420-1460 ° C. The resulting product contains
до 0,2 % фтора 3.up to 0.2% fluorine 3.
Полученный по этому способу продукт имеет пониженное содержа-ние усво емого РгОл, -которое при нестабильности состава фосфатного сырь колеблетс в пределах 36-39,0 %. Веление обжига при повышенной температуре отрицательно сказываетс на нормальной работе обжиговых печей. Например на зраплающихс печах наблюдаетс |Кольцеобразование и сиижен1ие срока службы огнеупоров.The product obtained by this method has a lower content of digestible Phol, which, when the composition of the phosphate raw material is unstable, ranges from 36-39.0%. The setting of firing at elevated temperatures adversely affects the normal operation of the kiln furnaces. For example, on the kiln furnaces, the ring formation and the shorter life time of refractories are observed.
Целью изобретени вл етс повыц ен 1е содержаии усво емого Р-уОг, при одновременном сниженнч фтора в готовом продукте , позвол ющем использовать его в качестве удобрени или минеральной фосфатной подкормки в животноводстве.The aim of the invention is to increase the content of digestible P-yOg, while at the same time reducing fluorine in the final product, which allows it to be used as fertilizer or mineral phosphate fertilizer in animal husbandry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU742002106A SU700516A1 (en) | 1974-02-18 | 1974-02-18 | Method of thermal processing of phosphate raw material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU742002106A SU700516A1 (en) | 1974-02-18 | 1974-02-18 | Method of thermal processing of phosphate raw material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU700516A1 true SU700516A1 (en) | 1979-11-30 |
Family
ID=20577649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU742002106A SU700516A1 (en) | 1974-02-18 | 1974-02-18 | Method of thermal processing of phosphate raw material |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU700516A1 (en) |
-
1974
- 1974-02-18 SU SU742002106A patent/SU700516A1/en active
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