CN112358361A - Preparation method of straw carbon-based fertilizer - Google Patents
Preparation method of straw carbon-based fertilizer Download PDFInfo
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- CN112358361A CN112358361A CN202011227008.3A CN202011227008A CN112358361A CN 112358361 A CN112358361 A CN 112358361A CN 202011227008 A CN202011227008 A CN 202011227008A CN 112358361 A CN112358361 A CN 112358361A
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- fertilizer
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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
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- 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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- 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
- C05G3/40—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting fertiliser dosage or release rate; for affecting solubility
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The invention relates to a preparation method of a straw carbon-based fertilizer, which comprises the following steps: a, carbonizing straws; b, preparing degraded straw carbon; c, preparing a degraded straw base fertilizer; d, granulating. The carbonized straws are mixed with the degradation composite microbial inoculum, and the prepared straw carbon-based fertilizer has a degradation effect and can improve soil; the carbon-based fertilizer of the straws is added with the trace element fertilizer, so that the nutrient variety in the fertilizer can be increased, and better nutrients are provided for plants. In addition, the gaps after the carbonization of the straws can adsorb a part of nutrient substances, so that the time for supplying the nutrients to the plants can be prolonged, the carbon-based fertilizer of the straws is granulated, the time for supplying the nutrients to the plants can be further prolonged after the granulation, and the nutrients in the fertilizer can be absorbed durably.
Description
Technical Field
The invention relates to the technical field of preparation of straw carbon-based fertilizers, in particular to a preparation method of a straw carbon-based fertilizer.
Background
At present, China is a large population country and still a large agricultural country, the total amount of various straws which are byproducts of crops is billion tons every year, and the treatment of surplus crop straws is a headache except that one part of straws is used as fuel and the other part of straws is used as feed of livestock. In many agricultural areas, the original method of processing straws on the agricultural land is often adopted, which not only causes waste of resources, but also causes serious environmental problems. In addition, the fertilizer prepared by carbonizing the straws has single nutrient content and can not continuously absorb nutrient substances in the fertilizer, so that the effect of the fertilizer is reduced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a preparation method of a straw carbon-based fertilizer.
In order to achieve the purpose, the invention adopts the following technical scheme: a preparation method of a straw carbon-based fertilizer comprises the following steps:
a carbonizing of straw
Crushing straws into 3-6 cm small sections, and naturally or drying the small sections, and then carrying out high-temperature anaerobic carbonization cracking by using a continuous carbonization furnace;
b preparing degraded straw charcoal
Mixing and fermenting the persistent organic pollutant degradation composite microbial inoculum with the bacterial liquid concentration of 106-108cfu/ml and carbonized straws for 16h, carrying out solid-liquid separation to obtain immobilized biochar, and storing the immobilized biochar at room temperature, wherein the immobilized biochar is called degraded biochar;
c preparing base fertilizer of degradable straw
The degraded straw base fertilizer consists of the following substances in parts by weight:
mixing the materials according to the formula, grinding and crushing after mixing, and adding water to fully stir so as to uniformly mix the materials;
d granulation
Placing the mixed material in a granulator, and extruding and granulating under the pressure of 30-40Mpa to obtain strip fertilizer; and putting the strip fertilizer into a dryer to be dried for 4-6h, thereby completing granulation.
In the step a, the temperature of the carbonization furnace is controlled in a sectional mode, the temperature range is controlled between 270 ℃ and 550 ℃, wherein the inlet temperature is between 150 ℃ and 270 ℃, the initial stage temperature is between 200 ℃ and 280 ℃, the middle stage temperature is between 250 ℃ and 400 ℃, and the final stage temperature is between 380 ℃ and 550 ℃.
In the step c, the trace element fertilizer consists of an iron fertilizer, a boron fertilizer, a manganese fertilizer, a copper fertilizer, a zinc fertilizer and a molybdenum fertilizer.
The weight ratio of the iron fertilizer, the boron fertilizer, the manganese fertilizer, the copper fertilizer, the zinc fertilizer and the molybdenum fertilizer is 4: 2: 1: 0.5: 3: 2.
the soil conditioner consists of clay, seaweed extract and humic acid conditioner. Wherein the proportion of the clay, the seaweed extract and the humic acid modifier is 8: 2: 3.
in step c, water is added in an amount of 12-15mL/100 g.
In the step c, the granularity of each component after grinding and crushing is 50-100 meshes.
The invention has the beneficial effects that: the carbonized straws are mixed with the degradation composite microbial inoculum, and the prepared straw carbon-based fertilizer has a degradation effect and can improve soil; the carbon-based fertilizer of the straws is added with the trace element fertilizer, so that the nutrient variety in the fertilizer can be increased, and better nutrients are provided for plants. In addition, the gaps after the carbonization of the straws can adsorb a part of nutrient substances, so that the time for supplying the nutrients to the plants can be prolonged, the carbon-based fertilizer of the straws is granulated, the time for supplying the nutrients to the plants can be further prolonged after the granulation, and the nutrients in the fertilizer can be absorbed durably.
Detailed Description
The invention is further illustrated by the following examples:
a preparation method of a straw carbon-based fertilizer comprises the following steps:
a carbonizing of straw
Crushing straws into 3-6 cm small sections, and naturally or drying the small sections, and then carrying out high-temperature anaerobic carbonization cracking by using a continuous carbonization furnace;
b preparing degraded straw charcoal
Mixing and fermenting the persistent organic pollutant degradation composite microbial inoculum with the bacterial liquid concentration of 106-108cfu/ml and carbonized straws for 16h, carrying out solid-liquid separation to obtain immobilized biochar, and storing the immobilized biochar at room temperature, wherein the immobilized biochar is called degraded biochar;
c preparing base fertilizer of degradable straw
The degraded straw base fertilizer consists of the following substances in parts by weight:
mixing the materials according to the formula, grinding and crushing after mixing, and adding water to fully stir so as to uniformly mix the materials;
d granulation
Placing the mixed material in a granulator, and extruding and granulating under the pressure of 30-40Mpa to obtain strip fertilizer; and putting the strip fertilizer into a dryer to be dried for 4-6h, thereby completing granulation.
In the step a, the temperature of the carbonization furnace is controlled in a sectional mode, the temperature range is controlled between 270 ℃ and 550 ℃, wherein the inlet temperature is between 150 ℃ and 270 ℃, the initial stage temperature is between 200 ℃ and 280 ℃, the middle stage temperature is between 250 ℃ and 400 ℃, and the final stage temperature is between 380 ℃ and 550 ℃.
In the step c, the trace element fertilizer consists of an iron fertilizer, a boron fertilizer, a manganese fertilizer, a copper fertilizer, a zinc fertilizer and a molybdenum fertilizer.
The weight ratio of the iron fertilizer, the boron fertilizer, the manganese fertilizer, the copper fertilizer, the zinc fertilizer and the molybdenum fertilizer is 4: 2: 1: 0.5: 3: 2.
the soil conditioner consists of clay, seaweed extract and humic acid conditioner. Wherein the proportion of the clay, the seaweed extract and the humic acid modifier is 8: 2: 3.
in step c, water is added in an amount of 12-15mL/100 g.
In the step c, the granularity of each component after grinding and crushing is 50-100 meshes.
Example 1
A preparation method of a straw carbon-based fertilizer comprises the following steps:
a carbonizing of straw
Crushing straws into 3 cm small sections, naturally or drying, and then carrying out high-temperature anaerobic carbonization cracking by using a continuous carbonization furnace;
b preparing degraded straw charcoal
Mixing and fermenting the persistent organic pollutant degradation composite microbial inoculum with the bacterial liquid concentration of 106cfu/ml and carbonized straws for 16h, carrying out solid-liquid separation to obtain immobilized biochar, and storing the immobilized biochar at room temperature, wherein the immobilized biochar is called as degradation biochar;
c preparing base fertilizer of degradable straw
The degraded straw base fertilizer consists of the following substances in parts by weight:
mixing the materials according to the formula, grinding and crushing after mixing, and adding water to fully stir so as to uniformly mix the materials;
d granulation
Placing the mixed material in a granulator, and extruding and granulating under the pressure of 30Mpa to obtain strip fertilizer; and the strip fertilizer is placed in a dryer to be dried for 4 hours, thereby completing the granulation.
In the step a, the temperature of the carbonization furnace is controlled in a sectional mode, the temperature range is controlled between 270 ℃ and 550 ℃, wherein the inlet temperature is between 150 ℃ and 270 ℃, the initial stage temperature is between 200 ℃ and 280 ℃, the middle stage temperature is between 250 ℃ and 400 ℃, and the final stage temperature is between 380 ℃ and 550 ℃.
In the step c, the trace element fertilizer consists of an iron fertilizer, a boron fertilizer, a manganese fertilizer, a copper fertilizer, a zinc fertilizer and a molybdenum fertilizer.
The weight ratio of the iron fertilizer, the boron fertilizer, the manganese fertilizer, the copper fertilizer, the zinc fertilizer and the molybdenum fertilizer is 4: 2: 1: 0.5: 3: 2.
the soil conditioner consists of clay, seaweed extract and humic acid conditioner. Wherein the proportion of the clay, the seaweed extract and the humic acid modifier is 8: 2: 3.
in step c, water was added in an amount of 12mL/100 g.
In the step c, the particle size of each component after grinding and crushing is 50 meshes.
Example 2
A preparation method of a straw carbon-based fertilizer comprises the following steps:
a carbonizing of straw
Crushing straws into 6 cm small sections, naturally or drying, and then carrying out high-temperature anaerobic carbonization cracking by using a continuous carbonization furnace;
b preparing degraded straw charcoal
Mixing and fermenting the persistent organic pollutant degradation composite microbial inoculum with the bacterial liquid concentration of 108cfu/ml and carbonized straws for 16h, carrying out solid-liquid separation to obtain immobilized biochar, and storing the immobilized biochar at room temperature, wherein the immobilized biochar is called as degradation biochar;
c preparing base fertilizer of degradable straw
The degraded straw base fertilizer consists of the following substances in parts by weight:
mixing the materials according to the formula, grinding and crushing after mixing, and adding water to fully stir so as to uniformly mix the materials;
d granulation
Placing the mixed material in a granulator, and extruding and granulating under 40Mpa to obtain strip fertilizer; and the strip fertilizer is placed in a dryer to be dried for 6 hours, thereby completing the granulation.
In the step a, the temperature of the carbonization furnace is controlled in a sectional mode, the temperature range is controlled between 270 ℃ and 550 ℃, wherein the inlet temperature is between 150 ℃ and 270 ℃, the initial stage temperature is between 200 ℃ and 280 ℃, the middle stage temperature is between 250 ℃ and 400 ℃, and the final stage temperature is between 380 ℃ and 550 ℃.
In the step c, the trace element fertilizer consists of an iron fertilizer, a boron fertilizer, a manganese fertilizer, a copper fertilizer, a zinc fertilizer and a molybdenum fertilizer.
The weight ratio of the iron fertilizer, the boron fertilizer, the manganese fertilizer, the copper fertilizer, the zinc fertilizer and the molybdenum fertilizer is 4: 2: 1: 0.5: 3: 2.
the soil conditioner consists of clay, seaweed extract and humic acid conditioner. Wherein the proportion of the clay, the seaweed extract and the humic acid modifier is 8: 2: 3.
in step c, water was added in an amount of 15mL/100 g.
In the step c, the particle size of each component after grinding and crushing is 100 meshes.
Example 3
A preparation method of a straw carbon-based fertilizer comprises the following steps:
a carbonizing of straw
Crushing the straws into 4 cm small sections, naturally or drying, and then carrying out high-temperature anaerobic carbonization cracking by using a continuous carbonization furnace;
b preparing degraded straw charcoal
Mixing and fermenting the persistent organic pollutant degradation composite microbial inoculum with the bacterial liquid concentration of 107cfu/ml and carbonized straws for 16h, carrying out solid-liquid separation to obtain immobilized biochar, and storing the immobilized biochar at room temperature, wherein the immobilized biochar is called as degradation biochar;
c preparing base fertilizer of degradable straw
The degraded straw base fertilizer consists of the following substances in parts by weight:
mixing the materials according to the formula, grinding and crushing after mixing, and adding water to fully stir so as to uniformly mix the materials;
d granulation
Placing the mixed material in a granulator, and extruding and granulating under the pressure of 35Mpa to obtain strip-shaped fertilizer; and the strip fertilizer is placed in a dryer to be dried for 5 hours, thereby completing the granulation.
In the step a, the temperature of the carbonization furnace is controlled in a sectional mode, the temperature range is controlled between 270 ℃ and 550 ℃, wherein the inlet temperature is between 150 ℃ and 270 ℃, the initial stage temperature is between 200 ℃ and 280 ℃, the middle stage temperature is between 250 ℃ and 400 ℃, and the final stage temperature is between 380 ℃ and 550 ℃.
In the step c, the trace element fertilizer consists of an iron fertilizer, a boron fertilizer, a manganese fertilizer, a copper fertilizer, a zinc fertilizer and a molybdenum fertilizer.
The weight ratio of the iron fertilizer, the boron fertilizer, the manganese fertilizer, the copper fertilizer, the zinc fertilizer and the molybdenum fertilizer is 4: 2: 1: 0.5: 3: 2.
the soil conditioner consists of clay, seaweed extract and humic acid conditioner. Wherein the proportion of the clay, the seaweed extract and the humic acid modifier is 8: 2: 3.
in step c, water was added in an amount of 13mL/100 g.
In the step c, the particle size of each component after grinding and crushing is 80 meshes.
The present invention has been described in connection with the specific embodiments, and it is obvious that the specific implementation of the present invention is not limited by the above-mentioned manner, and it is within the protection scope of the present invention as long as various modifications are made by using the method concept and technical solution of the present invention, or the present invention is directly applied to other occasions without modification.
Claims (8)
1. A preparation method of a straw carbon-based fertilizer is characterized by comprising the following steps:
a carbonizing of straw
Crushing straws into 3-6 cm small sections, and naturally or drying the small sections, and then carrying out high-temperature anaerobic carbonization cracking by using a continuous carbonization furnace;
b preparing degraded straw charcoal
Mixing and fermenting the persistent organic pollutant degradation composite microbial inoculum with the bacterial liquid concentration of 106-108cfu/ml and carbonized straws for 16h, carrying out solid-liquid separation to obtain immobilized biochar, and storing the immobilized biochar at room temperature, wherein the immobilized biochar is called degraded biochar;
c preparing base fertilizer of degradable straw
The degraded straw base fertilizer consists of the following substances in parts by weight:
mixing the materials according to the formula, grinding and crushing after mixing, and adding water to fully stir so as to uniformly mix the materials;
d granulation
Placing the mixed material in a granulator, and extruding and granulating under the pressure of 30-40Mpa to obtain strip fertilizer; and putting the strip fertilizer into a dryer to be dried for 4-6h, thereby completing granulation.
2. The preparation method of the straw carbon-based fertilizer as claimed in claim 1, wherein the temperature of the carbonization furnace in the step a is controlled in a sectional manner, and the temperature range is controlled between 270 ℃ and 550 ℃, wherein the inlet temperature is between 150 ℃ and 270 ℃, the initial stage temperature is between 200 ℃ and 280 ℃, the middle stage temperature is between 250 ℃ and 400 ℃, and the final stage temperature is between 380 ℃ and 550 ℃.
3. The preparation method of the straw carbon-based fertilizer as claimed in claim 1, wherein in the step c, the trace element fertilizer is composed of an iron fertilizer, a boron fertilizer, a manganese fertilizer, a copper fertilizer, a zinc fertilizer and a molybdenum fertilizer.
4. The preparation method of the straw carbon-based fertilizer as claimed in claim 3, wherein the weight ratio of the iron fertilizer, the boron fertilizer, the manganese fertilizer, the copper fertilizer, the zinc fertilizer and the molybdenum fertilizer is 4: 2: 1: 0.5: 3: 2.
5. the preparation method of the straw carbon-based fertilizer as claimed in claim 1, wherein the soil conditioner is composed of clay, seaweed extract and humic acid conditioner.
6. The preparation method of the straw carbon-based fertilizer as claimed in claim 6, wherein the specific gravity of the clay, the seaweed extract and the humic acid modifier is 8: 2: 3.
7. the preparation method of the straw carbon-based fertilizer as claimed in claim 1, wherein in the step c, the addition amount of water is 12-15mL/100 g.
8. The preparation method of the straw carbon-based fertilizer as claimed in claim 1, wherein in the step c, the particle size of each component after grinding and crushing is 50-100 meshes.
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| CN202011227008.3A CN112358361A (en) | 2020-11-06 | 2020-11-06 | Preparation method of straw carbon-based fertilizer |
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| CN202011227008.3A CN112358361A (en) | 2020-11-06 | 2020-11-06 | Preparation method of straw carbon-based fertilizer |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103396171A (en) * | 2013-07-18 | 2013-11-20 | 上海交通大学 | Environmentally friendly biochar-based fertilizer and application method thereof |
| CN105693358A (en) * | 2014-11-28 | 2016-06-22 | 江阴市联业生物科技有限公司 | Stalk carbon-based fertilizer granulation molding technology |
| CN109956819A (en) * | 2017-12-24 | 2019-07-02 | 兰固 | A kind of preparation method of straw charcoal base manure |
| CN111470921A (en) * | 2020-04-08 | 2020-07-31 | 石河子市国力源环保制浆有限公司 | Comprehensive utilization method of grass straws |
| CN111533620A (en) * | 2020-05-15 | 2020-08-14 | 光谷蓝焰(房县)新能源有限公司 | Biomass charcoal-based fertilizer and preparation method thereof |
-
2020
- 2020-11-06 CN CN202011227008.3A patent/CN112358361A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103396171A (en) * | 2013-07-18 | 2013-11-20 | 上海交通大学 | Environmentally friendly biochar-based fertilizer and application method thereof |
| CN105693358A (en) * | 2014-11-28 | 2016-06-22 | 江阴市联业生物科技有限公司 | Stalk carbon-based fertilizer granulation molding technology |
| CN109956819A (en) * | 2017-12-24 | 2019-07-02 | 兰固 | A kind of preparation method of straw charcoal base manure |
| CN111470921A (en) * | 2020-04-08 | 2020-07-31 | 石河子市国力源环保制浆有限公司 | Comprehensive utilization method of grass straws |
| CN111533620A (en) * | 2020-05-15 | 2020-08-14 | 光谷蓝焰(房县)新能源有限公司 | Biomass charcoal-based fertilizer and preparation method thereof |
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Application publication date: 20210212 |