CN114478138A - Suspended type biogas-based humic acid-containing water-soluble fertilizer and preparation method thereof - Google Patents
Suspended type biogas-based humic acid-containing water-soluble fertilizer and preparation method thereof Download PDFInfo
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- CN114478138A CN114478138A CN202210206440.7A CN202210206440A CN114478138A CN 114478138 A CN114478138 A CN 114478138A CN 202210206440 A CN202210206440 A CN 202210206440A CN 114478138 A CN114478138 A CN 114478138A
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- biogas
- humic acid
- soluble fertilizer
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- biogas slurry
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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
- 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
- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a suspension type biogas-based humic acid-containing water-soluble fertilizer and a preparation method thereof, belonging to the technical field of fertilizers, wherein the suspension type biogas-based humic acid-containing water-soluble fertilizer comprises the following components in parts by weight: 344.5-375.2 parts of inorganic salt, 4-6 parts of sodium humate, 1-3 parts of xanthan gum and 616-650 parts of biogas slurry; the water-soluble fertilizer is suitable for top dressing of various crops, and has relatively low production cost, simple equipment and less investment; dust and smoke can not appear in the production, application and transportation, and the pollution is less; the product has stable properties and high marketability; can be mixed with pesticide, bactericide and herbicide; the fertilizer can be sprayed on the leaf surface, can be applied along with water, can also be sprayed and dripped, is convenient to use, saves time and labor, and takes effect quickly; solves the problems of environmental pollution, high treatment cost and the like caused by the disordered discharge of the biogas slurry.
Description
Technical Field
The invention relates to the technical field of fertilizers, in particular to a suspension type biogas-based humic acid-containing water-soluble fertilizer and a preparation method thereof.
Background
With the water-saving policy of water and fertilizer integration advocated by the state and the development of modern facility agriculture, liquid fertilizers with good water solubility are rapidly popularized, wherein the clear night fertilizers have low nutrient content, and the transportation cost is increased. The suspended fertilizer is prepared by suspending the nutrient particles in a liquid dispersion system through a dispersion technology and adding a suspension auxiliary agent, so that the nutrient content in the liquid fertilizer is greatly improved, and the suspended fertilizer has the advantages of low production cost, easy adjustment of a formula, good solubility and the like. The suspended fertilizer is generally applied abroad, but the reports about the biogas-based suspended fertilizer at present in China are few, so that the development of the novel suspended liquid fertilizer is significant. The biogas slurry contains various bioactive substances which can provide nutrition for plants, regulate and control the growth of the plants and kill certain plant diseases and insect pests. Humic acid has better effects on improving the physical and chemical properties of soil, improving the soil fertility, improving the quality of seeds and the like. Aiming at the problems that research on preparing the suspension type humic acid-containing water-soluble fertilizer by biogas slurry is less, an empirical method for preparing a liquid compound fertilizer is mostly adopted, the water-insoluble substance content in the product is high, the nutrient content is low, the humic acid content is low, the commodity is poor and the like, and the method becomes a bottleneck for restricting the industrial development of the biogas slurry-based humic acid-containing water-soluble liquid fertilizer. Therefore, the development of the biogas-based suspension type humic acid-containing suspension fertilizer has good market prospect.
At present, researches on preparation of humic acid water-soluble liquid fertilizer from biogas slurry are few, 2 process methods are mainly adopted for improving the content of total nutrients and humic acid in the liquid fertilizer and reducing the content of water insoluble substances, one process is a concentration method, the moisture content in the biogas slurry is reduced and the content of nutrient substances such as humic acid in the biogas slurry is improved by technical means such as low-temperature evaporation and/or membrane concentration of the biogas slurry, and the like. The other method is an addition method, which is to add nutrient substances such as humic acid, nitrogen, phosphorus, potassium and the like into the biogas slurry to improve the content of humic acid and nutrients in the biogas slurry.
The invention aims to explore a suitable process for the humic acid liquid fertilizer with high humic acid content and low water insoluble substances by preparing the suspension type biogas base humic acid-containing water-soluble fertilizer, and provide technical support for developing high-quality humic acid-containing water-soluble fertilizer by utilizing biogas slurry.
Disclosure of Invention
The invention aims to solve the technical problem of providing a suspended type biogas-based humic acid-containing water-soluble fertilizer and a preparation method thereof.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a suspended type biogas-based humic acid-containing water-soluble fertilizer comprises the following components in parts by weight:
344.5-375.2 parts of inorganic salt, 4-6 parts of sodium humate, 1-3 parts of xanthan gum and 616-650 parts of biogas slurry.
As a further scheme of the invention: the inorganic salt comprises urea, ammonium dihydrogen phosphate and potassium nitrate.
As a further scheme of the invention: comprises the following components:
43-217 g/L of urea, 49-66 g/L of ammonium dihydrogen phosphate, 108-218 g/L of potassium nitrate, 4-6 g/L of sodium humate and 1-3 g/L of xanthan gum, wherein the water-soluble fertilizer is prepared by taking biogas slurry as a base solution.
As a further scheme of the invention: comprises the following components:
217.33g/L of urea, 66g/L of ammonium dihydrogen phosphate, 108.7g/L of potassium nitrate and 4g/L of sodium humate, and 1g/L of xanthan gum.
As a further scheme of the invention: the preparation method of the biogas slurry comprises the following steps: and filtering the pig manure anaerobic fermentation biogas slurry through a 100-mesh sieve to remove suspended matters.
The preparation method of the suspension type biogas-based humic acid-containing water-soluble fertilizer comprises the following steps:
(1) filtering the biogas slurry through a 100-mesh sieve;
(2) putting the biogas slurry obtained in the step (1) into a constant-temperature stirring tank, sequentially adding sodium humate, urea and ammonium dihydrogen phosphate, and stirring to completely dissolve all raw materials;
(3) adding xanthan gum into the solution obtained in the step (2), metering the volume with the filtered biogas slurry, and continuously stirring for 30min to obtain the xanthan gum.
As a further scheme of the invention: in the step (2), the biogas slurry obtained in the step (1) is placed in a stirring tank with constant temperature of 40 ℃.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a suspended type biogas-based humic acid-containing water-soluble fertilizer and a preparation method thereof, the water-soluble fertilizer is suitable for topdressing of various crops, the production cost is relatively low, the equipment is simple, and the investment is low; dust and smoke can not appear in the production, application and transportation, and the pollution is less; the product has stable properties and high marketability; can be mixed with pesticide, bactericide and herbicide for use and can be mixed uniformly; the raw materials are easy to obtain, and the cost is greatly reduced; the fertilizer can be sprayed on the leaf surface, can be applied along with water, can also be sprayed and dripped, is convenient to use, saves time and labor, and takes effect quickly; solves the problems of environmental pollution, high treatment cost and the like caused by the disordered discharge of the biogas slurry.
Detailed Description
Example 1
Preparation of suspension type biogas-based humic acid-containing water-soluble fertilizer
Raw materials: urea, sodium dihydrogen phosphate, potassium nitrate, sodium humate, xanthan gum and biogas slurry.
The preparation method comprises the following steps: and (3) placing 507ml of filtered biogas slurry into a constant-temperature stirring tank at 40 ℃, adding 4g of sodium humate, 217.33g of urea, 49.18g of ammonium dihydrogen phosphate and 217.38g of potassium nitrate while stirring, after completely dissolving, adding 1g of xanthan gum, fixing the volume to 1L by using the filtered biogas slurry, stirring for 30min, and barreling to obtain the suspension type humic acid-containing water-soluble fertilizer product.
The basic indexes of the prepared suspension type biogas-based humic acid-containing water-soluble fertilizer are shown in table 1:
TABLE 1
Example 2
Raw materials: urea, sodium dihydrogen phosphate, potassium nitrate, sodium humate, xanthan gum and biogas slurry.
The preparation method comprises the following steps: placing 600ml of filtered biogas slurry into a constant-temperature stirring tank at 40 ℃, sequentially adding 6g of sodium humate, 77.91g of urea, 49.18g of ammonium dihydrogen phosphate and 108.7g of potassium nitrate while stirring, adding 1g of xanthan gum after completely dissolving, fixing the volume to 1L by using the filtered biogas slurry, stirring for 30min, and barreling to obtain the suspended type humic acid-containing water-soluble fertilizer product.
The basic indexes of the prepared suspension type biogas-based humic acid-containing water-soluble fertilizer are shown in table 2:
TABLE 2
In summary, the following steps: the invention provides a suspended type biogas-based humic acid-containing water-soluble fertilizer and a preparation method thereof, the water-soluble fertilizer is suitable for topdressing of various crops, the production cost is relatively low, the equipment is simple, and the investment is low; dust and smoke can not appear in the production, application and transportation, and the pollution is less; the product has stable properties and high marketability; can be mixed with pesticide, bactericide and herbicide for use and can be mixed uniformly; the raw materials are easy to obtain, and the cost is greatly reduced; the fertilizer can be sprayed on the leaf surface, can be applied along with water, can also be sprayed and dripped, is convenient to use, saves time and labor, and takes effect quickly; solves the problems of environmental pollution, high treatment cost and the like caused by the disordered discharge of the biogas slurry.
Claims (5)
1. The suspended type biogas-based humic acid-containing water-soluble fertilizer is characterized by comprising the following components in parts by weight:
344.5-375.2 parts of inorganic salt, 4-6 parts of sodium humate, 1-3 parts of xanthan gum and 616-650 parts of biogas slurry;
wherein the inorganic salt comprises urea, ammonium dihydrogen phosphate and potassium nitrate.
2. The suspended type biogas-based humic acid-containing water-soluble fertilizer as claimed in claim 2, which is characterized by comprising the following components:
43-217 g/L of urea, 49-66 g/L of ammonium dihydrogen phosphate, 108-218 g/L of potassium nitrate, 4-6 g/L of sodium humate and 1-3 g/L of xanthan gum, wherein the water-soluble fertilizer is prepared by taking biogas slurry as a base solution.
3. The suspended type biogas-based humic acid-containing water-soluble fertilizer as claimed in claim 1, wherein the preparation method of the biogas slurry comprises the following steps: and filtering the pig manure anaerobic fermentation biogas slurry through a 100-mesh sieve to remove suspended matters.
4. A preparation method of a suspended biogas-based humic acid-containing water-soluble fertilizer according to any one of claims 1 to 5, which is characterized by comprising the following steps:
(1) filtering the biogas slurry;
(2) putting the biogas slurry obtained in the step (1) into a constant-temperature stirring tank, sequentially adding sodium humate, urea and ammonium dihydrogen phosphate, and stirring to completely dissolve all raw materials;
(3) adding xanthan gum into the solution obtained in the step (2), metering the volume with the filtered biogas slurry, and continuously stirring for 30min to obtain the xanthan gum.
5. The preparation method of the suspended type biogas-based humic acid-containing water-soluble fertilizer as claimed in claim 7, wherein in the step (2), the biogas slurry obtained in the step (1) is placed in a stirring tank with a constant temperature of 40 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210206440.7A CN114478138A (en) | 2022-03-02 | 2022-03-02 | Suspended type biogas-based humic acid-containing water-soluble fertilizer and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210206440.7A CN114478138A (en) | 2022-03-02 | 2022-03-02 | Suspended type biogas-based humic acid-containing water-soluble fertilizer and preparation method thereof |
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| CN202210206440.7A Pending CN114478138A (en) | 2022-03-02 | 2022-03-02 | Suspended type biogas-based humic acid-containing water-soluble fertilizer and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101602626A (en) * | 2009-07-13 | 2009-12-16 | 浙江林学院 | With the natural pond concentrated liquor is the maize humic acid polynary composite fluid base manure of base fluid |
| CN106518314A (en) * | 2016-10-17 | 2017-03-22 | 农业部规划设计研究院 | Method for using biogas slurry to prepare liquid manure containing humic acid |
| CN106892746A (en) * | 2017-02-20 | 2017-06-27 | 深圳市海吉星环保有限责任公司 | A kind of efficient biogas slurry fertilizer and preparation method thereof |
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2022
- 2022-03-02 CN CN202210206440.7A patent/CN114478138A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101602626A (en) * | 2009-07-13 | 2009-12-16 | 浙江林学院 | With the natural pond concentrated liquor is the maize humic acid polynary composite fluid base manure of base fluid |
| CN106518314A (en) * | 2016-10-17 | 2017-03-22 | 农业部规划设计研究院 | Method for using biogas slurry to prepare liquid manure containing humic acid |
| CN106892746A (en) * | 2017-02-20 | 2017-06-27 | 深圳市海吉星环保有限责任公司 | A kind of efficient biogas slurry fertilizer and preparation method thereof |
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