CN101838160A - Silico-calcium magnesium-potassium mineral multielement compound fertilizer and preparation method thereof - Google Patents
Silico-calcium magnesium-potassium mineral multielement compound fertilizer and preparation method thereof Download PDFInfo
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Abstract
The invention discloses silico-calcium magnesium-potassium mineral multielement compound fertilizer and a preparation method thereof. The mineral multielement compound fertilizer is a water-insoluble dissolving resisting fertilizer prepared based on potassium-rich rock and comprises microelement potassium, secondary element silicon, calcium, magnesium and multiple trace elements, wherein the mass fraction of potassium oxide is larger than or equal to 8%; the total mass fraction of the silica, the calcium oxide and the magnesium oxide is larger than or equal to 5%; the mass fraction of water is less than or equal to 3%; and simultaneously the trace elements are considered. The silico-calcium magnesium-potassium mineral multielement compound fertilizer is the water-insoluble dissolving resisting fertilizer and is characterized by non-infiltration, non-infiltration and non-loss, can not cause the acidification, alkalization and hardening of the soil after being used, can be used as the base fertilizer or top application, and is of great benefit to improving the soil structure and increasing the efficient nutrition components.
Description
Technical field
The invention belongs to mineral multielement compound fertilizer material technical field, relate to a kind of silico-calcium magnesium-potassium mineral multielement compound fertilizer and preparation method thereof.
Background technology
China's potassium deficiency cultivated area has accounted for 56% of total cultivated area, and the potash fertilizer deficiency has become one of restraining factors of China's agricultural development.The nearly more than ten years, China relies on the potash fertilizer import for a long time, and the breach between China's potash fertilizer actual demand amount in 2008 and the output in domestic has reached 7,700,000 tons.China's potash fertilizer requirement accounts for 1/4 of Gross World Product, and market amount will be above 1,400,000,000 dollars.And the price of import potash fertilizer had begun to allow the peasant be shocked in recent years.
According to soil and fertilizer station Zhao of Henan Province oecoeclades falcata research (Si-K fertilizer industrialization risk assessment and Analysis on Prospect, area study and exploitation, 2006 the 6th phases), import potash fertilizer mainly is Repone K and vitriolate of tartar.Repone K contains chlorion, and the yield and quality of many fear-chlorion crops is all had detrimentally affect; Vitriolate of tartar costs an arm and a leg, and sulfate radical also has certain destruction to soil, and life-time service can cause soil compaction.And these two kinds of potash fertilizer are water-soluble, and its utilization ratio is lower, only is about 40%, usually lose with current, not only cause waste, and can produce pollution to underground water and river.
Yet, China's still untapped utilization of a large amount of non-water-soluble potassium ore resources that but distributing.How having developed these inflexible dissolubility potash fertilizer resources, is the key (Xue Yanhui etc., potassium felspar sand low-temperature sintering legal system potash fertilizer, nonmetalliferous ore, 2000 the 1st phases) that solves problems such as China's potash fertilizer industry development, the effective use of agricultural potash fertilizer.
Potassium rich rock is China's special mineral resources, refers to comprise syenitoid, rich potassium trachyte class, potassium felspar sand sandstone etc. by serving as the main mineral aggregate of forming with the aluminum potassium silicate mineral, and potassium-bearing mineral has potassium felspar sand, illite, white mica stone etc.; Big or middle, trace elements such as wherein contained silicon, calcium, magnesium, potassium, after dissociative activation, these nutritive elements will enter the soil solution with forms such as ions, and then bring into play its fertilizer efficiency.China has rich potassium rock stock number to surpass 10,000,000,000 tons of (Tao Hong etc., producing potassium fertilizer from potash feldspar progress and prospect, the mineral products comprehensive utilization, 1998 the 1st phases), but the industry of utilizing potassium rich rock to produce potash fertilizer does not have breakthrough (Chen Lvan, potassium bearing rock Application and Development problem and suggestion, Chinese Mining Industry, 1997 the 2nd phases).Common " about setting up the suggestion that China's potash fertilizer resource is stablized the supply system " (Bulletin of Chinese Academy of Sciences that proposes of Chinese Academy of Sciences's Division of Earth Science, life science portion and Division of Chemistry, 2000 the 1st phases), just emphasized unconventional potassium resource, promptly Tong Cheng potassium rich rock is as the importance in one of China potash fertilizer source.
In agriculture production, particularly use nitrogen, phosphorus, potassic fertilizer in a large number after, make the farm crop healthy growth, it is not enough only relying on natural circulation to supply with silicon attainment part, must pay attention to the development and application of siliceous fertilizer.As far back as nineteen twenty-six, it is happiness silicon crop that the farming research personnel of California, USA university propose paddy rice, and has developed and contain silicon fertilizer and test, and effect is obvious.The research of nineteen thirty-five Japan beginning silicon attainment part, 1954 begin to produce and use, nineteen fifty-five Japanese government in fertilizer law the formal provision siliceous fertilizer as a kind of new-type fertilizer.China's the mid-1970s siliceous fertilizer that begins one's study, the later stage eighties is just realized suitability for industrialized production.
Geography Research Inst. of Henan Prov. Academy of Sciences is according to Henan Province's different soils type and crop varieties, carried out comprehensively and the research of silicon attainment part basic theory of system and siliceous fertilizer production, application, for siliceous fertilizer development provides scientific basis.The production technology maturation of siliceous fertilizer can utilize industrial residue to produce siliceous fertilizer at present.Produce siliceous fertilizer as the flyash of iron-smelting blast-furnace slag, Electric furnace steel making slag, electric furnace yellow phosphorus slag, aluminium metallurgy slag, electricity generation boiler, system ammonia coal briquette slag etc.
Though current many nutritionists treat silicon as macroelement, still silicon is handled as trace element traditionally, in actual production, also do not execute the consciousness and the custom of siliceous fertilizer merely.So, if can with siliceous fertilizer as nutritive element develop a kind of composite fertilizer, just can reduce fertilizer application frequency and reduce the fertilising cost, satisfy the demand of farm crop to siliceous fertilizer, can meet peasant's production custom again.
Summary of the invention
The technical problem that the present invention solves is to provide a kind of silico-calcium magnesium-potassium mineral multielement compound fertilizer and preparation method thereof, this mineral multielement compound fertilizer is a kind of water-fast inflexible dissolubility fertilizer based on the potassium rich rock preparation, contain macroelement potassium, moderate-element silicon, calcium, magnesium and various trace elements can be used as base manure or topdress use.
The present invention is achieved through the following technical solutions:
A kind of silico-calcium magnesium-potassium mineral multielement compound fertilizer, with potassium rich rock, rhombspar and Wingdale is the powdery granulated fertilizer material that the raw material roasting prepares the particle diameter≤250mm that obtains, wherein, the massfraction of potassium oxide 〉=8%, massfraction 〉=50% of silicon-dioxide, calcium oxide, magnesium oxide sum, the massfraction of water≤3%.
Described silicon-dioxide, calcium oxide and magnesian mass ratio are:
Silicon-dioxide: calcium oxide: magnesium oxide=25～30:20～22:3～4.
The mass ratio of described potassium rich rock, rhombspar and Wingdale is:
Potassium rich rock: rhombspar: Wingdale=1:0.3～0.4:0.6～0.7.
Described silico-calcium magnesium-potassium mineral multielement compound fertilizer also comprises the compound of boracic, iron, zinc and molybdenum element, wherein the massfraction of every kind of element 〉=0.5%.
A kind of method of utilizing potassium rich rock to produce silico-calcium magnesium-potassium mineral multielement compound fertilizer may further comprise the steps:
1) pulverize: it is 200～250 purpose powders that potassium rich rock, rhombspar and Wingdale separated pulverizing are obtained fineness;
2) refining sieves: respectively three kinds of building stones powder behind the ball milling are crossed 80～100 mesh sieves;
3) balling-up: in mass fraction, 1 part of potassium rich rock, 0.3～0.4 part rhombspar, 0.6～0.7 part Wingdale and 8～10 parts the abundant mixing of water after refining sieved, the raw material particle of particle diameter 6～10mm is made in granulation then;
4) calcining: the raw material particle is calcined 3～5h down at 1100～1300 ℃, obtain grog with the kiln cooling then;
5) ball milling: grog is crushed to the particle of particle diameter 10～30mm, and then is 200～250 orders, obtain the silico-calcium magnesium-potassium mineral multielement compound fertilizer of powdery grain with ball mill ball milling to fineness.
The massfraction of potassium oxide 〉=15% in the described potassium rich rock, the massfraction of silicon-dioxide 〉=60%; The massfraction of magnesium is 18～23% in the rhombspar; The massfraction of calcium 〉=60% in the Wingdale.
Described pulverizing with potassium rich rock, rhombspar and Wingdale is:
Coarse crushing: potassium rich rock, rhombspar and Wingdale are crushed to the stone that particle diameter is 20～40mm respectively;
In small, broken bits: three kinds of stones that respectively coarse crushing obtained are further broken, obtain the fragment that particle diameter is 5～10mm;
Ball milling: respectively three kinds of fragments that obtain in small, broken bits are carried out ball milling with ball mill, ball milling to fineness is 200～250 purpose powders.
Compared with prior art, the present invention has following beneficial technical effects:
Silico-calcium magnesium-potassium mineral multielement compound fertilizer provided by the invention is to comprise macroelement potassium, and the composite fertilizer of moderate-element silicon, calcium and magnesium takes into account trace element simultaneously, comprises boron, zinc, iron, copper, molybdenum, manganese, titanium, selenium and other trace elements; It is nutritious, and fertilizer efficiency is permanent, uses the back to improving Soil structure, increasing the effective nutritive ingredient of soil and be of great benefit to.
Silico-calcium magnesium-potassium mineral multielement compound fertilizer is a kind of water-fast inflexible dissolubility fertilizer, have the advantages that not evaporate, do not ooze, do not run off down, nutritive element will enter the soil solution with forms such as ions, and then brings into play its fertilizer efficiency, can not cause after the use soil acidifying, alkalize, harden; Overcome the Repone K that uses solubility and vitriolate of tartar is low as the rate of utilization that potash fertilizer brings, contaminate environment, life-time service cause soil compaction defective.
Silico-calcium magnesium-potassium mineral multielement compound fertilizer provided by the invention, be to be basic raw material with the distinctive inflexible dissolubility potash fertilizer resource potassium rich rock of China, in conjunction with the stone material that other elements are provided, utilize " two mills one burn " heat treatment technics, through activating element ion after the calcining, produce the pure natural environment protection type mineral fertilizer that obtains after again building stones being mixed; It is convenient to have raw material sources, and preparation technology is simple, the advantage that is easy to control.Help to alleviate China's potash fertilizer deficiency, rely on the present situation of potash fertilizer import for a long time.
Silico-calcium magnesium-potassium mineral multielement compound fertilizer also can topdress based on as base manure, but topdresses suitable unsuitable evening early, promptly uses in earlier stage in plant growth.Silico-calcium magnesium-potassium mineral multielement compound fertilizer is very obvious for the inhibition effect of soil nutritional deficiency disease, and the fruit tree gummosis that causes because of nutritional deficiency disease, root rot, defoliation etc. are used the back symptom and obviously alleviated or disappear.
Silico-calcium magnesium-potassium mineral multielement compound fertilizer is used the back volume increase crops such as fruit tree, vegetables, grain, cottons, the upgrading effect is obvious.The beautiful senior agronomist of Weinan City soil and fertilizer workstation Yan Chun of Shaanxi Province tests on wheat, after wheat is used silico-calcium magnesium-potassium mineral multielement compound fertilizer, 414.8～426.1 kilograms of average yield per mu wheats, volume increase 9.5～11.2%, 51.7～58.4 yuan of mu increments are gone into operation than 1:2.1～2.3.After apple is used silico-calcium magnesium-potassium mineral multielement compound fertilizer, the tree vigo(u)r robust growth, blade is dark green, and resistance strengthens, and the fruit face is bright and clean, painted good, can improve apple visual appearance and interior quality, mu volume increase 437kg, output increases by 18.8%, obvious effect of increasing production, 655.5 yuan of mu increments are gone into operation and are compared 1:5.5.
Embodiment
The present invention utilizes China's distinctive potash fertilizer resource potassium rich rock to be basic raw material, in conjunction with other stone materials that other elements are provided, provides a kind of silico-calcium magnesium-potassium mineral multielement compound fertilizer of inflexible dissolubility.Below in conjunction with specific embodiment the present invention is described further, the explanation of the invention is not limited.
With potassium rich rock, rhombspar and Wingdale is the silico-calcium magnesium-potassium mineral multielement compound fertilizer that raw material roasting preparation obtains, and is the powdery grain of particle diameter≤250mm, wherein, and the massfraction of potassium oxide 〉=8%, silicon-dioxide, calcium oxide, magnesium oxide sum (SiO
2+ CaO+MgO) massfraction 〉=50%, the massfraction of water≤3%; Also comprise trace elements such as boron, iron, zinc, molybdenum, wherein the massfraction of boracic, iron, zinc and molybdenum element 〉=0.5%.
The concrete raw material that adopts the building stones in following source as embodiment of the present invention:
Potassium rich rock claims potassium felspar sand again, K for originating in the geographic high-quality potassium rich rock in the Qinling Mountains, Shaanxi
2O content is more than 15%, SiO
2Content is more than 60%, and value of exploiting and utilizing is high.
Rhombspar is for originating in the geographic high-quality ore in the Qinling Mountains, Shaanxi, and magnesium content is between 18～23%; Wingdale is for originating in the geographic high-quality ore in the Qinling Mountains, Shaanxi, and calcium content is not less than 60%.
Embodiment 1
Silico-calcium magnesium-potassium mineral multielement compound fertilizer prepares by following steps:
1) coarse crushing: potassium rich rock, rhombspar and Wingdale are crushed to the stone that particle diameter is 20～40mm with jaw crusher respectively, and stone can be just passable by the screen cloth of 40 * 40mm.
2) in small, broken bits: three kinds of stones that respectively coarse crushing obtained are sent in the hammer-crusher further broken, are crushed to the fragment of particle diameter 5～10mm, and fragment can be just passable by the screen cloth of 10 * 10mm.
3) ball milling: respectively three kinds of fragments that obtain in small, broken bits are carried out ball milling with ball mill, ball milling to fineness is 200 orders; Because three kinds of ore hardness differ, the machine of wearing into out earlier that matter is soft, matter hard after go out machine.
4) refining sieves: respectively three kinds of building stones powder behind the ball milling are crossed 80 purpose sieves screening three times, made every kind of building stones powder stir.
5) balling-up: in mass fraction, 1 part potassium rich rock, 0.3 part rhombspar, 0.7 part Wingdale and 8 parts the abundant mixing of water after refining sieved, the raw material particle of particle diameter 6～10mm is made in granulation then; Described granulation can be common granulation process, such as the disk granulation.
6) calcining: the raw material particle is calcined 5h under 1100 ℃ of high temperature, then with the kiln naturally cooling, the raw material particle is connected to each other and forms grape globular grog;
7) secondary ball milling: grog is crushed to the particle of particle diameter 10～30mm, and then is 200 orders, obtain the silico-calcium magnesium-potassium mineral multielement compound fertilizer of powdery grain with ball mill ball milling to fineness.
Embodiment 2
Silico-calcium magnesium-potassium mineral multielement compound fertilizer prepares by following steps:
1) coarse crushing: potassium rich rock, rhombspar and Wingdale are crushed to the stone that particle diameter is 20～40mm with jaw crusher respectively, and stone can be just passable by the screen cloth of 40 * 40mm.
2) in small, broken bits: three kinds of stones that respectively coarse crushing obtained are sent in the hammer-crusher further broken, are crushed to the fragment of particle diameter 5～10mm, and fragment can be just passable by the screen cloth of 10 * 10mm.
3) ball milling: respectively three kinds of fragments that obtain in small, broken bits are carried out ball milling with ball mill, ball milling to fineness is 250 orders; Because three kinds of ore hardness differ, the machine of wearing into out earlier that matter is soft, matter hard after go out machine.
4) refining sieves: respectively three kinds of building stones powder behind the ball milling are crossed 100 purposes sieve, sieved three times, make every kind of building stones powder stir.
5) balling-up: in mass fraction, 1 part potassium rich rock, 0.4 part rhombspar, 0.6 part Wingdale and 8 parts the abundant mixing of water after refining sieved, the raw material particle of particle diameter 6～10mm is made in granulation then;
6) calcining: the raw material particle is calcined 3h under 1300 ℃ of high temperature, then with the kiln naturally cooling, the raw material particle is connected to each other and forms grape globular grog;
7) secondary ball milling: grog is crushed to the particle of particle diameter 10～30mm, and then is 250 orders, obtain the silico-calcium magnesium-potassium mineral multielement compound fertilizer of powdery grain with ball mill ball milling to fineness.
Embodiment 3
Silico-calcium magnesium-potassium mineral multielement compound fertilizer prepares by following steps:
1) coarse crushing: potassium rich rock, rhombspar and Wingdale are crushed to the stone that particle diameter is 20～40mm with jaw crusher respectively, and stone can be just passable by the screen cloth of 40 * 40mm.
2) in small, broken bits: three kinds of stones that respectively coarse crushing obtained are sent in the hammer-crusher further broken, are crushed to the fragment of particle diameter 5～10mm, and fragment can be just passable by the screen cloth of 10 * 10mm.
3) ball milling: respectively three kinds of fragments that obtain in small, broken bits are carried out ball milling with ball mill, ball milling to fineness is 200 orders.
4) refining sieves: respectively three kinds of building stones powder behind the ball milling are crossed 85 purpose sieves screening three times, made every kind of building stones powder stir.
5) balling-up: in mass fraction, 1 part potassium rich rock, 0.35 part rhombspar, 0.65 part Wingdale and 8.5 parts the abundant mixing of water after refining sieved, the raw material particle of particle diameter 6～10mm is made in granulation then;
6) calcining: the raw material particle is calcined 4.5h under 1200 ℃ of high temperature, then with the kiln naturally cooling, the raw material particle is connected to each other and forms grape globular grog;
7) secondary ball milling: grog is crushed to the particle of particle diameter 10～30mm, and then is 200 orders, obtain the silico-calcium magnesium-potassium mineral multielement compound fertilizer of powdery grain with ball mill ball milling to fineness.
Embodiment 4
Silico-calcium magnesium-potassium mineral multielement compound fertilizer prepares by following steps:
1) coarse crushing: potassium rich rock, rhombspar and Wingdale are crushed to the stone that particle diameter is 20～40mm with jaw crusher respectively, and stone can be just passable by the screen cloth of 40 * 40mm.
2) in small, broken bits: three kinds of stones that respectively coarse crushing obtained are sent in the hammer-crusher further broken, are crushed to the fragment that particle diameter is 5～10mm, and fragment can be just passable by the screen cloth of 10 * 10mm.
3) ball milling: respectively three kinds of fragments that obtain in small, broken bits are carried out ball milling with ball mill, ball milling to fineness is 220 orders.
4) refining sieves: respectively three kinds of building stones powder behind the ball milling are crossed 90 purpose sieves, sieve three times, make every kind of building stones powder stir.
5) balling-up: in mass fraction, 1 part potassium rich rock, 0.315 part rhombspar, 0.66 part Wingdale and 9 parts the abundant mixing of water after refining sieved, the raw material particle of particle diameter 6～10mm is made in granulation then;
6) calcining: the raw material particle is calcined 4h under 1250 ℃ of high temperature, then with the kiln naturally cooling, the raw material particle is connected to each other and forms grape globular grog;
7) secondary ball milling: grog is crushed to the particle of particle diameter 10～30mm, and then is 220 orders, obtain the silico-calcium magnesium-potassium mineral multielement compound fertilizer of powdery grain with ball mill ball milling to fineness.
Embodiment 5
Silico-calcium magnesium-potassium mineral multielement compound fertilizer prepares by following steps:
1) coarse crushing: potassium rich rock, rhombspar and Wingdale are crushed to the stone that particle diameter is 20～40mm with jaw crusher respectively, and stone can be just passable by the screen cloth of 40 * 40mm.
2) in small, broken bits: three kinds of stones that respectively coarse crushing obtained are sent in the hammer-crusher further broken, are crushed to the fragment that particle diameter is 5～10mm, and fragment can be just passable by the screen cloth of 10 * 10mm.
3) ball milling: respectively three kinds of fragments that obtain in small, broken bits are carried out ball milling with ball mill, ball milling to fineness is 200 orders.
4) refining sieves: respectively three kinds of building stones powder behind the ball milling are crossed 80 purpose sieves, sieve three times, make every kind of building stones powder stir.
5) balling-up: in mass fraction, 1 part potassium rich rock, 0.38 part rhombspar, 0.65 part Wingdale and 8.5 parts the abundant mixing of water after refining sieved, the raw material particle of particle diameter 6～10mm is made in granulation then;
6) calcining: the raw material particle is calcined 3.8h under 1180 ℃ of high temperature, then with the kiln naturally cooling, the raw material particle is connected to each other and forms grape globular grog;
7) secondary ball milling: grog is crushed to the particle of particle diameter 10～30mm, and then is 200 orders, obtain the silico-calcium magnesium-potassium mineral multielement compound fertilizer of powdery grain with ball mill ball milling to fineness.
The use of silico-calcium magnesium-potassium mineral multielement compound fertilizer and result of use
A, use main points
(1) use age: silico-calcium magnesium-potassium mineral multielement compound fertilizer also can topdress based on as base manure, but topdresses suitable unsuitable evening early, promptly uses in earlier stage in plant growth.
(2) rate of fertilizer application: fruit tree children garden, every mu of 100～120 kg, 150～200 kilograms every mu in fruit tree one-tenth garden in age; Potato class, green onion garlic, root vegetables, medicinal material class, 100 kilograms every mu; 100～150 kilograms every mu of melon eggplant classes; 50～80 kilograms every mu of leaf vegetables, cotton classes; 30～50 kilograms every mu of grain, rapes; 100～150 kilograms every mu of flowers classes.
(3) using method: for farm crop and vegetables, before the preceding or cultivated back rake of turning over, fertilizer is evenly spread fertilizer over the fields, turn over again or harrow and bury.For fruit tree kind, close with the conventional fertilizer application method, promptly under tree crown, dig 2～4 dark 30cm, wide 20cm, annular groove or the radial furrow of long 50～100cm apply fertilizer in the ditch, mix thoroughly with lifting a silico-calcium magnesium-potassium mineral multielement compound fertilizer and soil, and then earthing.If silico-calcium magnesium-potassium mineral multielement compound fertilizer is not mixed thoroughly with soil, the fertilizer agglomeration phenomenon can appear, lose fertilizer efficiency.
B, result of use
The beautiful senior agronomist of Weinan City soil and fertilizer workstation Yan Chun of Shaanxi Province tests on wheat, after wheat is used silico-calcium magnesium-potassium mineral multielement compound fertilizer, 414.8～426.1 kilograms of average yield per mu wheats, volume increase 9.5～11.2%, 51.7～58.4 yuan of mu increments are gone into operation than 1:2.1～2.3.
After apple is used silico-calcium magnesium-potassium mineral multielement compound fertilizer, the tree vigo(u)r robust growth, blade is dark green, and resistance strengthens, and the fruit face is bright and clean, painted good, can improve apple visual appearance and interior quality, mu volume increase 437kg, output increases by 18.8%, obvious effect of increasing production, 655.5 yuan of mu increments are gone into operation and are compared 1:5.5.
Silico-calcium magnesium-potassium mineral multielement compound fertilizer is very obvious for the inhibition effect of soil nutritional deficiency disease, and the fruit tree gummosis that causes because of nutritional deficiency disease, root rot, defoliation etc. are used the back symptom and obviously alleviated or disappear.
Claims (7)
1. silico-calcium magnesium-potassium mineral multielement compound fertilizer, it is characterized in that, with potassium rich rock, rhombspar and Wingdale is the powdery granulated fertilizer material that the raw material roasting prepares the particle diameter≤250mm that obtains, wherein, the massfraction of potassium oxide 〉=8%, massfraction 〉=50% of silicon-dioxide, calcium oxide, magnesium oxide sum, the massfraction of water≤3%.
2. silico-calcium magnesium-potassium mineral multielement compound fertilizer as claimed in claim 1 is characterized in that, described silicon-dioxide, calcium oxide and magnesian mass ratio are:
Silicon-dioxide: calcium oxide: magnesium oxide=25～30:20～22:3～4.
3. silico-calcium magnesium-potassium mineral multielement compound fertilizer as claimed in claim 1 is characterized in that, the mass ratio of described potassium rich rock, rhombspar and Wingdale is:
Potassium rich rock: rhombspar: Wingdale=1:0.3～0.4:0.6～0.7.
4. silico-calcium magnesium-potassium mineral multielement compound fertilizer as claimed in claim 1 is characterized in that, also comprises the compound of boracic, iron, zinc and molybdenum element, wherein the massfraction of every kind of element 〉=0.5%.
5. a method of utilizing potassium rich rock to produce silico-calcium magnesium-potassium mineral multielement compound fertilizer is characterized in that, may further comprise the steps:
1) pulverize: it is 200～250 purpose powders that potassium rich rock, rhombspar and Wingdale separated pulverizing are obtained fineness;
2) refining sieves: respectively three kinds of building stones powder behind the ball milling are crossed 80～100 mesh sieves;
3) balling-up: in mass fraction, 1 part of potassium rich rock, 0.3～0.4 part rhombspar, 0.6～0.7 part Wingdale and 8～10 parts the abundant mixing of water after refining sieved, the raw material particle of particle diameter 6～10mm is made in granulation then;
4) calcining: the raw material particle is calcined 3～5h down at 1100～1300 ℃, obtain grog with the kiln cooling then;
5) ball milling: grog is crushed to the particle of particle diameter 10～30mm, and then is 200～250 orders, obtain the silico-calcium magnesium-potassium mineral multielement compound fertilizer of powdery grain with ball mill ball milling to fineness.
6. the method for utilizing potassium rich rock to produce silico-calcium magnesium-potassium mineral multielement compound fertilizer as claimed in claim 5 is characterized in that the massfraction of potassium oxide 〉=15% in the described potassium rich rock, the massfraction of silicon-dioxide 〉=60%; The massfraction of magnesium is 18～23% in the rhombspar; The massfraction of calcium 〉=60% in the Wingdale.
7. the method for utilizing potassium rich rock to produce silico-calcium magnesium-potassium mineral multielement compound fertilizer as claimed in claim 5 is characterized in that, with the pulverizing of potassium rich rock, rhombspar and Wingdale is:
Coarse crushing: potassium rich rock, rhombspar and Wingdale are crushed to the stone that particle diameter is 20～40mm respectively;
In small, broken bits: three kinds of stones that respectively coarse crushing obtained are further broken, obtain the fragment that particle diameter is 5～10mm;
Ball milling: respectively three kinds of fragments that obtain in small, broken bits are carried out ball milling with ball mill, ball milling to fineness is 200～250 purpose powders.
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| CN106747947A (en) * | 2016-11-23 | 2017-05-31 | 山东农大肥业科技有限公司 | A kind of cultivation matrix and its preparation and application method with sterilized and trophic function |
| CN106748503A (en) * | 2016-12-29 | 2017-05-31 | 广东万山土壤修复技术有限公司 | One planting fruit-trees special-purpose soil conditioner and preparation method thereof |
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| CN113149781A (en) * | 2021-04-25 | 2021-07-23 | 华南理工大学 | All-element disease and pest prevention type fertilizer variety and preparation method thereof |
| CN115057746A (en) * | 2022-07-13 | 2022-09-16 | 方城县华裕肥料有限公司 | Soil conditioner |
| CN115677426A (en) * | 2022-11-18 | 2023-02-03 | 方城县华裕肥料有限公司 | Special fertilizer for improving quality and increasing yield of wheat |
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| CN102633571A (en) * | 2012-04-05 | 2012-08-15 | 杨骁仓 | Biological organic compound fertilizer for cultivation of tobacco, and preparation method thereof |
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| CN103553745B (en) * | 2013-10-29 | 2015-05-20 | 范起元 | Preparation method of multi-element mineral water-soluble silicon fertilizer |
| CN103880504A (en) * | 2014-03-07 | 2014-06-25 | 佛山市健地农业科技有限公司 | Silicon-based compound fertilizer and preparation method thereof |
| CN104387206A (en) * | 2014-10-31 | 2015-03-04 | 河北中瑞农业科技有限公司 | Method for preparing calcium-silicon-potassium-magnesium soil conditioner |
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| CN106588281A (en) * | 2016-11-23 | 2017-04-26 | 山东农大肥业科技有限公司 | Composite ecological fertilizer and production method thereof |
| CN106747947A (en) * | 2016-11-23 | 2017-05-31 | 山东农大肥业科技有限公司 | A kind of cultivation matrix and its preparation and application method with sterilized and trophic function |
| CN106748503A (en) * | 2016-12-29 | 2017-05-31 | 广东万山土壤修复技术有限公司 | One planting fruit-trees special-purpose soil conditioner and preparation method thereof |
| CN106748506A (en) * | 2016-12-29 | 2017-05-31 | 广东万山土壤修复技术有限公司 | A kind of soil conditioner for tuber crops and preparation method thereof |
| CN106631613A (en) * | 2016-12-29 | 2017-05-10 | 广东万山土壤修复技术有限公司 | Soil conditioner used for oil-bearing crops and preparing method thereof |
| CN108017467A (en) * | 2017-12-08 | 2018-05-11 | 中国科学院青海盐湖研究所 | A kind of liquid composite fertilizer containing elemental silicon and preparation method thereof |
| CN113149781A (en) * | 2021-04-25 | 2021-07-23 | 华南理工大学 | All-element disease and pest prevention type fertilizer variety and preparation method thereof |
| CN115057746A (en) * | 2022-07-13 | 2022-09-16 | 方城县华裕肥料有限公司 | Soil conditioner |
| CN115677426A (en) * | 2022-11-18 | 2023-02-03 | 方城县华裕肥料有限公司 | Special fertilizer for improving quality and increasing yield of wheat |
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