CN105777447A - Green fertilizer - Google Patents
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- CN105777447A CN105777447A CN201610268464.XA CN201610268464A CN105777447A CN 105777447 A CN105777447 A CN 105777447A CN 201610268464 A CN201610268464 A CN 201610268464A CN 105777447 A CN105777447 A CN 105777447A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
-
- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a green fertilizer which is prepared from 50 to 70 weight percent of humic acid, 30 to 50 weight percent of a light shale powder body and 5 to 10 weight percent of an adhesive, wherein the humic acid is one or more of peat, lignite and weathered coal; the particle size of the light shale powder body is 50 to 2,000 meshes; the adhesive is selected from alumina-containing aluminosilicate or minerals. The green fertilizer is obtained by extrusion and granulation with an extruder after addition of a proper amount of water into the raw materials, the inlet temperature of the extruder is 200 to 350 DEG C, and the outlet temperature is 80 to 110 DEG C. According to the green fertilizer, nutrients can be provided for plants to ensure that the plants can grow tall and straight; the disease and pest resistance of crops are improved; in addition, loose soil can be activated, and hardening of the soil can be improved; moreover, the green fertilizer has the advantages of environment friendliness, readily available raw materials, low cost, simple preparation method and the like.
Description
Technical field
The present invention relates to base fertilizer field, particularly relate to a kind of green fertilizer for soil improvement.
Background technology
The Agricultural Activities of the mankind mainly carries out on soil, the agricultural product that necessary for human is wanted all directly or indirectly produce from soil, therefore, the character of soil governs the growth promoter of plant and the effect of agricultural production measure to a great extent, so soil is the basis of agricultural, it it is the natural resources that the mankind are indispensable.But, in China, the present situation of soil there is problems in that (1) quantity per capita is on the low side, so needing to improve productivity ratio；(2) total quality is on the low side；(3) soil degradation phenomenon is more serious；(4) soil pH is higher, and salinization of soil is serious.
Chinese patent CN104829398A discloses a kind of organic soil improving fertilizer, it is with plant straw powder, humic acids, ground phosphate rock, potassium breeze, Castor seed Meal, cigarette mud, carbamide, EM microbial inoculum, medium trace element and seaweeds for raw material, it is sufficiently mixed and makes fertilizer, soil can be improved by described fertilizer, increases soil fertility, but its needed raw material is complicated, not easily operate, relatively costly, the such as heavy metal of the pollutant component in soil is not had any improvement, it is impossible to ensure food safety.
Chinese patent CN105367346A discloses a kind of slow release fertilizer for soil improvement, ground phosphate rock is activated by it by high temperature and acid solution, increase Leaching Properties of Soluble Phosphorus content, described fertilizer can heavy metal in active adsorption soil, improve contaminated soil, it is ensured that food safety, but, fertility for soil is improved not, and the productivity of crops does not significantly improve.
It is fertile that Chinese patent CN103265370 discloses a kind of salt-soda soil, it includes humic acids, Gypsum Fibrosum, microorganism, family's fertilizer, nitrogenous fertilizer, potash fertilizer, phosphate fertilizer and siliceous fertilizer, but, its needed raw material is complicated, relatively costly, and when preparing, needs first carry out mixed fermentation by fertile for family with straw, and preparation is complicated, manufacturing cycle is long.
Summary of the invention
In order to solve the problems referred to above, present inventor has performed and study with keen determination, found that: humic acids, light shale powder body are carried out high temperature pelletize with binding agent, obtaining a kind of green fertilizer, this green fertilizer can reduce the pH value of soil, and can keep soil from packing together by chesson, improve soil fertility, simultaneously can the pollutant such as heavy metal in active adsorption soil, it is ensured that food safety, thus completing the present invention.
An object of the present invention is in that to provide a kind of green fertilizer for soil improvement, is embodied in following several respects:
(1) a kind of green fertilizer for soil improvement, wherein, described green fertilizer is made up of the raw material including following weight proportion component:
Humic acids 50～70 weight portion,
Light shale powder body 30～50 weight portion,
Binding agent 5～10 weight portion；
(2) green fertilizer according to above-mentioned (1), wherein, described green fertilizer is made up of the raw material including following weight proportion component:
Humic acids 55～65 weight portion,
Light shale powder body 35～45 weight portion,
Binding agent 6～8 weight portion,
Preferably:
Humic acids 60 weight portion,
Light shale powder body 40 weight portion,
Binding agent 7 weight portion；
(3) green fertilizer according to above-mentioned (1) or (2), wherein,
The inside of described light shale powder body has poriform micropore gap, and the aperture of described micropore is 5～20nm, and/or
The particle diameter of described light shale powder body is 50～2000 orders, it is preferred to 100～1000 orders, more preferably 200～500 orders；
(4) according to the green fertilizer above-mentioned (1) to one of (3) Suo Shu, wherein,
Described humic acids is one or more in peat, brown coal and weathered coal, it is preferred to brown coal；And/or
Described binding agent is native selected from aluminosilicate or the ore deposit of salic composition, it is preferable that one or more in bentonite, kieselguhr, attapulgite, Kaolin and sheep Montmorillonitum, is more preferably selected from bentonite；
(5) according to the green fertilizer above-mentioned (1) to one of (4) Suo Shu, wherein, described green fertilizer is prepared by the method comprised the steps of:
Step 1, humic acids, light shale powder body, binding agent are mixed with water, obtain compound,
Step 2, add mixture into extruder carry out extruding pelletization, obtain the former grain of fertilizer,
Step 3, the former grain of fertilizer is carried out post processing, obtain green fertilizer；
(6) according to the green fertilizer above-mentioned (1) to one of (5) Suo Shu, wherein, in step 1, weight and meter based on light shale powder body, binding agent and humic acids, the consumption of water is 5～25wt%, it is preferred to 10～20wt%, more preferably 15wt%；
(7) according to the green fertilizer above-mentioned (1) to one of (6) Suo Shu, wherein, in step 2,
The inlet temperature of extruder is 200～350 DEG C, it is preferred to 250～300 DEG C, more preferably 280 DEG C, and/or
The outlet temperature of extruder is 80～110 DEG C, it is preferred to 90～100 DEG C, more preferably 95 DEG C；
(8) according to the green fertilizer above-mentioned (1) to one of (7) Suo Shu, wherein, in step 3,
Described post processing includes drying, cool down and sieving successively, and/or
The particle diameter of described green fertilizer is 2～4mm；
(9) according to the green fertilizer above-mentioned (1) to one of (8) Suo Shu, wherein, described dry as naturally drying, oven for drying or lyophilization, it is preferred to oven for drying；
(10) according to the green fertilizer above-mentioned (1) to one of (9) Suo Shu, wherein, the temperature of described drying is 40～80 DEG C, it is preferred to 60 DEG C.
Detailed description of the invention
Below by the present invention is described in detail, the features and advantages of the invention will illustrate along with these and become more apparent from, clearly.
The invention provides a kind of green fertilizer, described green fertilizer is made up through high temperature pelletize of humic acids, light shale powder body and binding agent.
According to one of the present invention preferred embodiment in, with the weight of humic acids and light shale powder body with for 100%, the consumption of described humic acids is 50～70wt%.
In further preferred embodiment, with the weight of humic acids and light shale powder body with for 100%, the consumption of described humic acids is 55～65wt%.
Further preferred embodiment in, with the weight of humic acids and light shale powder body with for 100%, the consumption of described humic acids is 60wt%.
According to one of the present invention preferred embodiment, described humic acids is one or more in peat, brown coal and weathered coal, it is preferred to brown coal.
Wherein, humic acids is a kind of polymeric organic acid, the basic structure of its macromole is aromatic ring and alicyclic ring, ring is connected with the functional groups such as carboxyl, hydroxyl, carbonyl, quinonyl and methoxyl group, humic acids can regulate soil pH value in fertilizer, improve the salinization of soil, keep soil from packing together, increase fertility, be conducive to the growth of crops root system.And energy can promote the formation of soil agreegate, improve emergence rate, reduce weak Seedling, dead Seedling, promote plant health growth.
According to one of the present invention preferred embodiment in, with the weight of humic acids and light shale powder body with for 100%, the consumption of described light shale powder body is 30～50wt%.
In further preferred embodiment, with the weight of humic acids and light shale powder body with for 100%, the consumption of described light shale powder body is 35～45wt%.
Further preferred embodiment in, with the weight of humic acids and light shale powder body with for 100%, the consumption of described light shale powder body is 40wt%.
According to one of the present invention preferred embodiment, described light shale powder body is size-reduced by light shale ore deposit, levigate and separation etc. processes and obtains, there is inside it poriform micropore gap, the aperture of described micropore is 5～20nm, quoted from " Liu Xinjian, Li Qingshan. the discovery of a kind of natural nano-material and applied research .E nano material ".
In the present invention, described light shale ore deposit is selected from the domestic albumen shale ore of Inner Mongol Mo Qi E Er and township.Wherein, albumen shale ore is to be formed through falling into lake bed deposits after the volcanic ash calcination in atmosphere formed by volcano eruption becomes tiny glower.
The main component of described light shale powder is silicon dioxide, mineralogical composition is amorphous state opal and a small amount of clay etc., belong to the low aluminum amorphous structure of high silicon, as fertilizer, it provides the silicon element of abundance for soil, generally, nano level silicon is easily by soil absorption, and provided by the present invention be micron-sized silicon also easily by soil absorption, be mainly attributed to its internal nanometer micropore so that it is reached nano effect.Such as: (1) silicon element can improve the chlorophyll content in crops, extend period of duration, promote that it grows；(2) after crops absorb silicon, form silicified cell, improve cell intensity, make crops strain shape tall and straight, be beneficial to dense planting；(3) cell wall thickeies simultaneously, improves the resistivity to disease pest.Further, described light shale powder body is except silica body, possibly together with other multiple element and some Organic substances, provides nutrient for soil, helps it to grow, improves yield.
Reason due to generation type, described light shale powder body has the feature such as laminated layer reason, granularity fine uniform, structure conveying porous, there is stronger adsorptivity, it is applied in soil, it is possible to adsorb the heavy metals such as the Cr in fixing soil, Cd, Pb and Cu so that it is avoid flowing to cereal crops, ensure grain security, reduce Human Health Risk, meanwhile, it is capable to the moisture pinned in soil is for crop growth.
Wherein, in the present invention, the primary chemical of described light shale powder body consists of SiO2·H2O, silicone content reaches about 90%, is a kind of natural nano-material, and it is internal containing a large amount of holes so that it is specific surface area is up to 277.3cm2/ g, the above-mentioned data about light shale powder body quoted from " Liu Xinjian, Li Qingshan. the discovery of a kind of natural nano-material and applied research .E nano material ".
According to one of the present invention preferred embodiment, the particle diameter of described light shale powder body is 50～2000 orders, it is preferred to 100～1000 orders, more preferably 200～500 orders.
Wherein, owing in described light shale powder body, portion has micropore, even if its particle diameter is below 2000 orders, it is also possible to be absorbed by plants, therefore, particle diameter need not accomplish that Nano grade also can reach nano effect.
In the present invention, adopt the dual function of humic acids and light shale powder body, reduce the pH value of soil, it is prevented that it hardens, provide nutrient for soil, improve its fertility, to improve the emergence rate of plant and to promote growing vigorously of plant.
According to one of the present invention preferred embodiment in, with the weight of humic acids and light shale powder body with for 100%, the consumption of described binding agent is 5～10wt%.
In further preferred embodiment, with the weight of humic acids and light shale powder body with for 100%, the consumption of described binding agent is 6～8wt%.
Further preferred embodiment in, with the weight of humic acids and light shale powder body with for 100%, the consumption of described binding agent is 7wt%.
Wherein, the effect of binding agent is to connect humic acids and light shale powder body to make it be combined into entirety, and improve its procedural strength and hot property, bonding agent consumption is not easily too many, playing adhesive property, consumption causes unnecessary waste too much for a moment, two can reduce the fertilizer improvement degree to soil, therefore, in the present invention, the consumption of the consumption of binding agent is well below total consumption of humic acids and light shale powder body.
According to one of the present invention preferred embodiment, described binding agent is native selected from aluminosilicate or the ore deposit of salic composition.
In further preferred embodiment, one or more in bentonite, kieselguhr, attapulgite, Kaolin and sheep Montmorillonitum of described binding agent.
Further preferred embodiment in, described binding agent be selected from bentonite.
Wherein, described binding agent raw material is easy to get, with low cost.
In the present invention, described green fertilizer is prepared by the method comprised the steps of:
Step 1, humic acids, light shale powder body, binding agent are mixed with water, obtain compound.
According to one of the present invention preferred embodiment, in step 1, based on weight and the meter of light shale powder body, binding agent and humic acids, the consumption of water is 5～25wt%, it is preferred to 10～20wt%, more preferably 15wt%.
Wherein, the interpolation of water is to make humic acids and light shale powder body mix with binding agent better; binding agent is made to play cementation better; if the consumption of water is lower than 5wt%; then do not have effect; light shale powder body mixes bad with binding agent; if the consumption of water is higher than 25wt%, then makes system thinning, be unfavorable for the shaping pelletize in later stage; and; the grain that water is created too much has fault of construction, for instance quality heterogeneity is containing hole, simultaneously; too much water also can on the quality affecting extruder in granulation process, for instance corrosion or rustization.
Step 2, add mixture into extruder carries out extruding pelletization, obtain the former grain of fertilizer.
According to one of the present invention preferred embodiment, in step 2, the inlet temperature of extruder is 200～350 DEG C, it is preferred to 250～300 DEG C, more preferably 280 DEG C.
Wherein, the inlet temperature of extruder cannot be below 200 DEG C, and when lower than 200 DEG C, humic acids, light shale powder body and binding agent can not reach good molten condition, mix uneven, can not get homogeneous product；Verifying through many experiments, along with inlet temperature raises, the pelletize obtained is apparent more beautiful, is mainly manifested in smooth surface, homogeneous；But, under the premise reaching predetermined quality, inlet temperature is not easy to be higher than 350 DEG C, so, can cause the waste of the energy.
According to one of the present invention preferred embodiment, in step 2, the outlet temperature of extruder is 80～110 DEG C, it is preferred to 90～100 DEG C, more preferably 95 DEG C.
Wherein, owing to its inlet temperature is significantly high, therefore outlet temperature is not easily relatively low, if lower than 80 DEG C, material can be made to be quenched when extrusion, affect its internal performance；If temperature is higher than 110 DEG C, owing to temperature is too high, the grain extruded is in class molten condition or viscous state, it is impossible to form the grain significantly separated.
Step 3, the former grain of fertilizer is carried out post processing, obtain green fertilizer.
According to one of the present invention preferred embodiment, in step 3, described post processing includes drying, cool down and sieving successively.
In further preferred embodiment, described dry as naturally drying, oven for drying or lyophilization；Described cooling is room temperature cooling or sub-cooled.
Further preferred embodiment in, the temperature of described drying is 40～80 DEG C, it is preferred to 60 DEG C；Described cooling is room temperature cooling.
Wherein, described room temperature is 10～30 DEG C, and described low temperature is about 5 DEG C.
According to one of the present invention preferred embodiment, in step 3, the particle diameter of described green fertilizer is 1～5mm, it is preferred to 2～4mm, more preferably 3mm.
Described green fertilizer is used as base fertilizer, provides nutrient for crops so that it is tall and straight growth, chesson can also be activated simultaneously, improve hardening of soil, reduce the pH value of soil, improving emergence rate, described green fertilizer is applied widely, can be used for Oryza sativa L., Semen Tritici aestivi, corn and soybean or other crops.And the vegetable planted by described green fertilizer or crops, for instance rice and Folium Allii tuberosi, it is possible to reach the AA level of green food vegetable standard.
The present invention is had the advantage that to include:
(1) green fertilizer provided by the present invention provides nutrient for crops so that it is tall and straight growth,；
(2) green fertilizer provided by the present invention can activate chesson, improves hardening of soil, reduces the pH value of soil, improves its emergence rate；
(3) green fertilizer provided by the present invention has obvious effect of increasing production, and gained crops are tall and straight, disease pest is had repellence；
(4) green fertilizer provided by the present invention can adsorb the heavy metal in soil, it is ensured that grain security；
(5) green fertilizer provided by the present invention is applied widely, can be used for nearly all crops, and the vegetable planted by described green fertilizer or crops, for instance rice and Folium Allii tuberosi, it is possible to reach the AA level of green food vegetable standard；
(6) green fertilizer provided by the present invention belongs to green product, will not soil or river be polluted；
(7) green fertilizer raw material provided by the present invention is easy to get, and with low cost, preparation method is simple, it is easy to large-scale production and application.
Embodiment
The present invention is further described below by way of instantiation.But these examples are only exemplary, protection scope of the present invention do not constituted any restriction.
Wherein, the albumen shale ore domestic selected from Inner Mongol Mo Qi E Er and township of light shale protein powder used.
Embodiment 1
By 500kg peat, 500kg light shale powder body, 100kg Kaolin and 250kg water mix homogeneously, obtain compound.
Above-mentioned compound being added extruder and carries out extruding pelletization, obtain the former grain of fertilizer, wherein, the inlet temperature of extruder is 200 DEG C, and outlet temperature is 80 DEG C.
By the former grain of fertilizer that obtains successively in 40 DEG C dry, cool down at 5 DEG C, then sieve, obtain green fertilizer.
Wherein, gained green fertilizer smooth surface, homogeneous, its mean diameter is 3.0mm.
Embodiment 2
By 550kg weathered coal, 450kg light shale powder body, 80kg kieselguhr and 200kg water mix homogeneously, obtain compound.
Above-mentioned compound being added extruder and carries out extruding pelletization, obtain the former grain of fertilizer, wherein, the inlet temperature of extruder is 250 DEG C, and outlet temperature is 90 DEG C.
By the former grain of fertilizer that obtains successively in 50 DEG C dry, cool down at 5 DEG C, then sieve, obtain green fertilizer.
Wherein, gained green fertilizer smooth surface, homogeneous, its mean diameter is 2.0mm.
Embodiment 3
By 600kg brown coal, 400kg light shale powder body, 70kg bentonite and 150kg water mix homogeneously, obtain compound.
Above-mentioned compound being added extruder and carries out extruding pelletization, obtain the former grain of fertilizer, wherein, the inlet temperature of extruder is 280 DEG C, and outlet temperature is 95 DEG C.
By the former grain of fertilizer that obtains successively in 60 DEG C dry, cool down under room temperature, then sieve, obtain green fertilizer.
Gained green fertilizer smooth surface, homogeneous, its mean diameter is 2.5mm.
Embodiment 4
By 650kg brown coal, 350kg light shale powder body, 60kg sheep Montmorillonitum and 100kg water mix homogeneously, obtain compound.
Above-mentioned compound being added extruder and carries out extruding pelletization, obtain the former grain of fertilizer, wherein, the inlet temperature of extruder is 300 DEG C, and outlet temperature is 100 DEG C.
By the former grain of fertilizer that obtains successively in 70 DEG C dry, cool down under room temperature, then sieve, obtain green fertilizer.
Gained green fertilizer smooth surface, homogeneous, its mean diameter is 3.0mm.
Embodiment 5
By 700kg brown coal, 300kg light shale powder body, 50kg kieselguhr and 50kg water mix homogeneously, obtain compound.
Above-mentioned compound being added extruder and carries out extruding pelletization, obtain the former grain of fertilizer, wherein, the inlet temperature of extruder is 350 DEG C, and outlet temperature is 110 DEG C.
By the former grain of fertilizer that obtains successively in 80 DEG C dry, cool down under room temperature, then sieve, obtain green fertilizer.
Gained green fertilizer smooth surface, homogeneous, its mean diameter is 4.0mm.
Comparative example 1
Repeating embodiment 3 preparation process, wherein, the inlet temperature of extruder is 150 DEG C, and outlet temperature is 50 DEG C.
The rough surface of gained green fertilizer, quality is uneven, if being cut, internal containing being similar to completely not melted part.
Test example
Test example 1
Choose 90 mu of rice fields as experimental plot, be averaged with 30 mu for one group and be divided into three groups, same management method is implemented in these 90 mu of experimental plots, and its sunshine, temperature are all identical with irrigation volume etc..Being distinctive in that, first group does not use any fertilizer, and second group uses common fertilizer, the 3rd group of green fertilizer used obtained by embodiment 3.Wherein, second group identical with the fertilizer amount of the 3rd group, is 40kg/ mu.Find through observing:
(1) from first group to the 3rd group, its emergence rate improves successively, illustrates, green fertilizer of the present invention can improve the emergence rate of crops；
The growing way of (2) second groups is better than first group, and the growing way of the 3rd group is better than second group, illustrates, green fertilizer of the present invention can promote crop growth；
(3) through calculating, the productivity of the 3rd group is apparently higher than first group and second group.Illustrating, green fertilizer provided by the present invention has obvious effect of increasing production.
Meanwhile, through detection, the 3rd group of rice field the rice produced has reached the AA level of green food vegetable standard, illustrates, uses green fertilizer of the present invention can obtain green harmless product.
Test example 2
Choose 50 mu of rice fields as experimental plot, same management method is implemented in these 50 mu of experimental plots, and its sunshine, temperature are all identical with irrigation volume etc..Being distinctive in that, wherein 25 mu is the 4th group, and it uses common fertilizer, and consumption is 40kg/ mu；Remaining 25 mu is the 5th group, and it uses green fertilizer of the present invention, and consumption is 20kg/ mu.Through observing, the 5th group of growing way with the 4th group is similar, and, through calculating, the productivity of the productivity of the 5th group and the 4th group is more or less the same, explanation, when reaching equal agricultural output, what green fertilizer provided by the present invention greatly reduced fertilizer makes consumption.
Upper in conjunction with detailed description of the invention and exemplary example, the present invention is described in detail, but these explanations can not be interpreted as limitation of the present invention.It will be appreciated by those skilled in the art that when not necessarily departing from spirit and scope of the invention, it is possible to technical solution of the present invention and embodiment thereof are carried out multiple equivalencing, modification or improvement, and these are within the scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (10)
1. a green fertilizer, it is characterised in that described green fertilizer is made up of the raw material including following weight proportion component:
Humic acids 50～70 weight portion,
Light shale powder body 30～50 weight portion,
Binding agent 5～10 weight portion.
2. green fertilizer according to claim 1, it is characterised in that described green fertilizer is made up of the raw material including following weight proportion component:
Humic acids 55～65 weight portion,
Light shale powder body 35～45 weight portion,
Binding agent 6～8 weight portion,
Preferably:
Humic acids 60 weight portion,
Light shale powder body 40 weight portion,
Binding agent 7 weight portion.
3. green fertilizer according to claim 1 and 2, it is characterised in that
The inside of described light shale powder body has poriform micropore gap, and the aperture of described micropore is 5～20nm；And/or
The particle diameter of described light shale powder body is 50～2000 orders, it is preferred to 100～1000 orders, more preferably 200～500 orders.
4. according to the green fertilizer one of claims 1 to 3 Suo Shu, it is characterised in that
Described humic acids is one or more in peat, brown coal and weathered coal, it is preferred to brown coal；And/or
Described binding agent is native selected from aluminosilicate or the ore deposit of salic composition, it is preferable that one or more in bentonite, kieselguhr, attapulgite, Kaolin and sheep Montmorillonitum, is more preferably selected from bentonite.
5. according to the green fertilizer one of Claims 1-4 Suo Shu, it is characterised in that described green fertilizer is prepared by the method comprised the steps of:
Step 1, humic acids, light shale powder body, binding agent are mixed with water, obtain compound；
Step 2, add mixture into extruder carries out extruding pelletization, obtain the former grain of fertilizer；
Step 3, the former grain of fertilizer is carried out post processing, obtain green fertilizer.
6., according to the green fertilizer one of claim 1 to 5 Suo Shu, it is characterised in that in step 1, based on weight and the meter of light shale powder body, binding agent and humic acids, the consumption of water is 5～25wt%, it is preferred to 10～20wt%, more preferably 15wt%.
7., according to the green fertilizer one of claim 1 to 6 Suo Shu, it is characterised in that in step 2, the inlet temperature of extruder is 200～350 DEG C, it is preferred to 250～300 DEG C, more preferably 280 DEG C；And/or
The outlet temperature of extruder is 80～110 DEG C, it is preferred to 90～100 DEG C, more preferably 95 DEG C.
8. according to the green fertilizer one of claim 1 to 7 Suo Shu, it is characterised in that in step 3,
Described post processing includes drying, cool down and sieving successively；And/or
The particle diameter of described green fertilizer is 2～4mm.
9. according to the green fertilizer one of claim 1 to 8 Suo Shu, it is characterised in that described dry as naturally drying, oven for drying or lyophilization, it is preferred to oven for drying.
10. according to the green fertilizer one of claim 1 to 9 Suo Shu, it is characterised in that the temperature of described drying is 40～80 DEG C, it is preferred to 60 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610268464.XA CN105777447A (en) | 2016-04-27 | 2016-04-27 | Green fertilizer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610268464.XA CN105777447A (en) | 2016-04-27 | 2016-04-27 | Green fertilizer |
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| CN105777447A true CN105777447A (en) | 2016-07-20 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101993313A (en) * | 2009-08-27 | 2011-03-30 | 陈书仁 | Fertilizer for reforming saline soil |
| CN102174330A (en) * | 2011-02-17 | 2011-09-07 | 陈温福 | Carbon-base soil improver and preparation method thereof |
| CN102329174A (en) * | 2011-07-29 | 2012-01-25 | 广东省生态环境与土壤研究所 | Humic acid silicon calcium magnesium fertilizer and production method thereof |
| CN104893739A (en) * | 2015-05-27 | 2015-09-09 | 刘燕 | Conditioner for treating and improving saline alkali soil |
-
2016
- 2016-04-27 CN CN201610268464.XA patent/CN105777447A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101993313A (en) * | 2009-08-27 | 2011-03-30 | 陈书仁 | Fertilizer for reforming saline soil |
| CN102174330A (en) * | 2011-02-17 | 2011-09-07 | 陈温福 | Carbon-base soil improver and preparation method thereof |
| CN102329174A (en) * | 2011-07-29 | 2012-01-25 | 广东省生态环境与土壤研究所 | Humic acid silicon calcium magnesium fertilizer and production method thereof |
| CN104893739A (en) * | 2015-05-27 | 2015-09-09 | 刘燕 | Conditioner for treating and improving saline alkali soil |
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