CN112167007A - Solid waste utilization nutrient soil and preparation method thereof - Google Patents
Solid waste utilization nutrient soil and preparation method thereof Download PDFInfo
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- CN112167007A CN112167007A CN202010980698.3A CN202010980698A CN112167007A CN 112167007 A CN112167007 A CN 112167007A CN 202010980698 A CN202010980698 A CN 202010980698A CN 112167007 A CN112167007 A CN 112167007A
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- sludge
- phosphogypsum
- organic fertilizer
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/28—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing peat, moss or sphagnum
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
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Abstract
The invention relates to the technical field of solid waste utilization, in particular to nutrient soil for solid waste utilization, which comprises the following components in part by weight: sludge, phosphogypsum, animal organic fertilizer, plant ash, quick-acting phosphorus and quick-acting potassium; the mass percentage of the sludge is 25-40%; the mass percent of the phosphogypsum is 30-50%; the mass percentage of the animal organic fertilizer is 8-15%; the mass percent of the plant ash is 5-10%; the mass percent of the quick-acting phosphorus is 0.2-0.8%; the mass percentage of the quick-acting potassium is 0.3-1.0%. The invention also provides a preparation method for preparing the nutrient soil, the preparation method is simple, the solid waste is used as a source of main components of the nutrient soil, the manufacturing cost is low, the economic value of the nutrient soil is high, and the nutrient requirement of plant growth is fully met.
Description
Technical Field
The invention relates to the technical field of solid waste utilization, in particular to nutrient soil for solid waste utilization and a preparation method thereof.
Background
Along with the development of social economy, the attention degree of people to the environment greening effect is strengthened more and more, and the requirements on indoor greening, roof greening and community greening environment are higher and higher. The most important for greening is the foundation soil for providing nutrients for plants, and the quality of the soil directly influences the growth of the plants. We also often encounter the problem of withering of the plants indoors or outdoors due to the soil matrix, the root cause of which is unreasonable nutrient collocation and structure of the soil.
Therefore, nutrient soil appears in the market, is a matrix which is specially prepared for satisfying the growth and development of plants, contains a plurality of trace elements, mineral substances and organic matters and can promote the growth of the plants, has reasonable soil structure, better loosening and ventilating capability and strong water and fertilizer retention capability, is beneficial to the survival of microorganisms, and provides good basic guarantee for improving the survival rate and the growth efficiency of the plants.
Generally, nutrient soil with reasonable components and each technical index reaching the standard has high cost, and the price of the nutrient soil is more difficult for common consumers to bear. Most of nutrient soil is sparse, a lot of plant fiber components are added, the nutrient soil is breathable and does not retain water, trace elements required by plants need to be added in a mode of additionally applying a chemical fertilizer, and the chemical fertilizer is quickly dissolved after watering and is carried away by water. Therefore, the weak water retention, the too strong air permeability and the insufficient content of nutrient substances are common diseases of nutrient soil sold on the market at present. In view of the above, we propose a nutrient soil for solid waste utilization and a preparation method thereof.
Disclosure of Invention
The invention aims to provide nutrient soil for solid waste utilization and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a nutrient soil for solid waste utilization, comprising: sludge, phosphogypsum, animal organic fertilizer, plant ash, quick-acting phosphorus and quick-acting potassium;
the mass percentage of the sludge is 25-40%;
the mass percent of the phosphogypsum is 30-50%;
the mass percentage of the animal organic fertilizer is 8-15%;
the mass percent of the plant ash is 5-10%;
the mass percent of the quick-acting phosphorus is 0.2-0.8%;
the mass percentage of the quick-acting potassium is 0.3-1.0%.
The invention also provides a preparation method for the nutrient soil, which comprises the following steps:
step 1: treating sludge, performing filter pressing treatment on the sludge by using filter pressing equipment to obtain filter pressing sludge, and then performing disinfection treatment on the filter pressing sludge to obtain powdery sludge;
step 2: treating the phosphogypsum, and removing fluorine and reducing acid by a calcium oxide method to treat the phosphogypsum;
and step 3: treating an animal organic fertilizer, pouring the animal organic fertilizer into a fermentation device for fermentation, and promoting the propagation of bacterial colonies in the animal organic fertilizer;
and 4, step 4: processing the quick-acting potassium and the quick-acting potassium, and mixing the quick-acting potassium and the quick-acting potassium in a solution form according to a ratio to obtain a mixed nutrient solution;
and 5: mixing, namely mixing the sludge, the phosphogypsum and the animal organic fertilizer obtained after treatment according to a ratio, adding plant ash, and uniformly stirring to obtain mixed powder;
step 6: spraying the mixed nutrient solution into the mixed powder, continuously stirring the mixed powder in the spraying process, and uniformly stirring to obtain the nutrient soil;
wherein, step 1, step 2, step 3, step 4 can be carried out simultaneously.
Preferably, in the step 1, the sterilization treatment mode of the filter-pressing sludge is any one or more of sun drying and ultraviolet sterilization.
Preferably, in step 1, the filter pressing equipment is a high-pressure filter press.
Preferably, in step 2, after the phosphogypsum is subjected to fluorine removal and acid reduction treatment, the fluorine content is lower than 800mg/L, and the pH value is between 4.0 and 6.5.
Preferably, in step 3, the fermentation device is a biological vacuum fermentation tank.
Compared with the prior art, the invention has the beneficial effects that: the nutrient soil for solid waste utilization and the preparation method thereof make full use of beneficial components in phosphogypsum, such as phosphorus, calcium and sulfur elements necessary for plant growth, and trace elements such as iron (Fe), manganese (Mn), zinc (Zn), copper (Cu), boron (B), molybdenum and the like in plant ash, and meet the requirements of essential elements and trace elements in the plant growth process;
meanwhile, the sludge and the animal organic fertilizer are added into the nutrient soil to complement organic matter components required by plant growth, and the sludge and the animal organic fertilizer are both provided with bacteria and microorganisms for decomposing organic matters, so that the absorption and growth of plants are facilitated;
in addition, the invention also adds the quick-acting potassium and the quick-acting phosphorus which are necessary for the growth of plants, increases the air permeability of the material, simultaneously has the water retention property of the sludge, is organically blended, retains water and fertilizer, is suitable for the continuous growth of the plants, has balanced product formula, meets the nutritional conditions required by the growth of the plants, and is suitable for the growth needs of the plants.
Drawings
FIG. 1 is a flow chart of a preparation method of nutrient soil in the second embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Because solid waste has certain pollution, and is mainly treated in a dry stack or wet discharge mode at home and abroad at present, the solid waste causes great pollution to the environment and directly or indirectly pollutes surrounding soil and underground water sources. Therefore, considering waste utilization and being beneficial to the healthy development of related industries, the solid waste utilized nutrient soil and the preparation method thereof provided by the invention extract effective components in solid waste, such as: the phosphogypsum and tailing slag are used for preparing the nutrient soil, so that the problems of high price, high production cost, weak water retention, over-strong air permeability and insufficient content of nutrient substances of the nutrient soil in the prior art are solved.
Example 1
A nutrient soil for solid waste utilization comprises: sludge, phosphogypsum, animal organic fertilizer, plant ash, quick-acting phosphorus and quick-acting potassium;
the mass percentage of the sludge is 25-40%;
the mass percent of the phosphogypsum is 30-50%;
the mass percentage of the animal organic fertilizer is 8-15%;
the mass percent of the plant ash is 5-10%;
the mass percent of the quick-acting phosphorus is 0.2-0.8%;
the mass percentage of the quick-acting potassium is 0.3-1.0%.
In this embodiment: 40% of sludge, 40% of phosphogypsum, 9% of animal organic fertilizer, 9% of plant ash, 1% of quick-acting potassium and 1% of quick-acting phosphorus. The proportional nutrient soil can provide a large amount of phosphorus elements, organic matters, potassium elements and the like, provides all necessary basic nutrient substances for plants, and enables the plants to grow rapidly in the germination period.
Example 2
As shown in fig. 1, a preparation method for preparing the nutrient soil comprises the following steps:
step 1: treating sludge, performing filter pressing treatment on the sludge by using a high-pressure filter press to obtain filter-pressed sludge, and performing disinfection treatment on the filter-pressed sludge to obtain powdery sludge;
step 2: treating the phosphogypsum by adopting a calcium oxide method to remove fluorine and reduce acid;
and step 3: treating an animal organic fertilizer, pouring the animal organic fertilizer into a biological vacuum fermentation tank for fermentation, and promoting the propagation of bacterial colonies in the animal organic fertilizer;
and 4, step 4: processing the quick-acting potassium and the quick-acting potassium, and mixing the quick-acting potassium and the quick-acting potassium in a solution form according to a ratio to obtain a mixed nutrient solution;
and 5: mixing, namely mixing the sludge, the phosphogypsum and the animal organic fertilizer obtained after treatment according to a ratio, adding plant ash, and uniformly stirring to obtain mixed powder;
step 6: spraying mixed nutrient solution into the mixed powder, continuously stirring the mixed powder in the spraying process, and uniformly stirring to obtain nutrient soil;
wherein, step 1, step 2, step 3, step 4 can be carried out simultaneously.
Specifically, in the step 1, the sterilization treatment mode of the filter-pressing sludge is any one or more of sunlight drying and ultraviolet sterilization.
It is worth to say that in the step 2, after the phosphogypsum is subjected to fluorine removal and acid reduction treatment, the fluorine content is lower than 800mg/L, and the pH value is between 4.0 and 6.5.
Specifically, in the step 2, when the phosphogypsum is subjected to defluorination and deacidification by the calcium oxide method, calcium ions in the calcium oxide are combined with fluoride ions in the phosphogypsum to generate calcium fluoride precipitates, so that the defluorination and deacidification effects are achieved.
Through the contents, the solid waste utilized nutrient soil and the preparation method thereof are simple in preparation process, low in manufacturing cost and high in economic value, fully meet the nutritional requirements of plant growth, and are specific: the beneficial components in the phosphogypsum, such as phosphorus, calcium and sulfur elements necessary for plant growth, and trace elements such as iron (Fe), manganese (Mn), zinc (Zn), copper (Cu), boron (B), molybdenum and the like in plant ash are utilized to meet the requirements of essential elements and trace elements in the plant growth process;
meanwhile, the sludge and the animal organic fertilizer are added into the nutrient soil to complement organic matter components required by plant growth, and the sludge and the animal organic fertilizer are also provided with bacteria and microorganisms for decomposing organic matters, so that the absorption and growth of plants are facilitated;
in addition, the invention also adds the quick-acting potassium and the quick-acting phosphorus which are necessary for the growth of plants, increases the nutrient supply capacity of the formula, has the water retention property of the sludge, is organically blended, retains water and fertilizer, is suitable for the continuous growth of the plants, has balanced product formula, meets the nutritional conditions required by the growth of the plants, is suitable for the growth needs of the plants, and is convenient for popularization and promotion.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The nutrient soil for solid waste utilization is characterized by comprising the following components: sludge, phosphogypsum, animal organic fertilizer, plant ash, quick-acting phosphorus and quick-acting potassium;
the mass percentage of the sludge is 25-40%;
the mass percent of the phosphogypsum is 30-50%;
the mass percentage of the animal organic fertilizer is 8-15%;
the mass percent of the plant ash is 5-10%;
the mass percent of the quick-acting phosphorus is 0.2-0.8%;
the mass percentage of the quick-acting potassium is 0.3-1.0%.
2. A method for preparing the nutrient soil of claim 1, comprising the steps of:
step 1: treating sludge, performing filter pressing treatment on the sludge by using filter pressing equipment to obtain filter pressing sludge, and then performing disinfection treatment on the filter pressing sludge to obtain powdery sludge;
step 2: treating the phosphogypsum, and removing fluorine and reducing acid by a calcium oxide method to treat the phosphogypsum;
and step 3: treating an animal organic fertilizer, pouring the animal organic fertilizer into a fermentation device for fermentation, and promoting the propagation of bacterial colonies in the animal organic fertilizer;
and 4, step 4: processing the quick-acting potassium and the quick-acting potassium, and mixing the quick-acting potassium and the quick-acting potassium in a solution form according to a ratio to obtain a mixed nutrient solution;
and 5: mixing, namely mixing the sludge, the phosphogypsum and the animal organic fertilizer obtained after treatment according to a ratio, adding plant ash, and uniformly stirring to obtain mixed powder;
step 6: spraying the mixed nutrient solution into the mixed powder, continuously stirring the mixed powder in the spraying process, and uniformly stirring to obtain the nutrient soil;
wherein, step 1, step 2, step 3, step 4 can be carried out simultaneously.
3. The method of claim 2, wherein: in the step 1, the sterilization treatment mode of the filter-pressing sludge is any one or more of sunlight airing and ultraviolet sterilization.
4. The method of claim 2, wherein: in the step 1, the filter pressing equipment is a high-pressure filter press.
5. The method of claim 2, wherein: in the step 2, after the phosphogypsum is subjected to defluorination and deacidification treatment, the fluorine content is lower than 800mg/L, and the pH value is between 4.0 and 6.5.
6. The method of claim 2, wherein: in step 3, the fermentation device is a biological vacuum fermentation tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010980698.3A CN112167007A (en) | 2020-09-17 | 2020-09-17 | Solid waste utilization nutrient soil and preparation method thereof |
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| CN202010980698.3A CN112167007A (en) | 2020-09-17 | 2020-09-17 | Solid waste utilization nutrient soil and preparation method thereof |
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| CN112167007A true CN112167007A (en) | 2021-01-05 |
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| CN202010980698.3A Pending CN112167007A (en) | 2020-09-17 | 2020-09-17 | Solid waste utilization nutrient soil and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103964957A (en) * | 2014-05-13 | 2014-08-06 | 贵州大学 | Composite improved matrix for restoring vegetations in dry-discharged coal ash storage yard and use method of matrix |
| CN105993686A (en) * | 2016-05-25 | 2016-10-12 | 安徽省丰蓼农业开发有限公司 | Compounded nutritional soil for flowers and plants and preparation method |
| CN106083478A (en) * | 2016-06-17 | 2016-11-09 | 武汉工程大学 | Municipal water processes Sludge resource utilization method |
| CN107006246A (en) * | 2017-03-23 | 2017-08-04 | 柳州市鑫鑫水果种植场 | A kind of cultivating watermelon method |
-
2020
- 2020-09-17 CN CN202010980698.3A patent/CN112167007A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103964957A (en) * | 2014-05-13 | 2014-08-06 | 贵州大学 | Composite improved matrix for restoring vegetations in dry-discharged coal ash storage yard and use method of matrix |
| CN105993686A (en) * | 2016-05-25 | 2016-10-12 | 安徽省丰蓼农业开发有限公司 | Compounded nutritional soil for flowers and plants and preparation method |
| CN106083478A (en) * | 2016-06-17 | 2016-11-09 | 武汉工程大学 | Municipal water processes Sludge resource utilization method |
| CN107006246A (en) * | 2017-03-23 | 2017-08-04 | 柳州市鑫鑫水果种植场 | A kind of cultivating watermelon method |
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Application publication date: 20210105 |
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