CN111187120A - Liquid fertilizer for rooting and root-raising and preparation method thereof - Google Patents
Liquid fertilizer for rooting and root-raising and preparation method thereof Download PDFInfo
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- CN111187120A CN111187120A CN202010211111.2A CN202010211111A CN111187120A CN 111187120 A CN111187120 A CN 111187120A CN 202010211111 A CN202010211111 A CN 202010211111A CN 111187120 A CN111187120 A CN 111187120A
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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
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Abstract
The invention provides a liquid fertilizer for rooting and root-raising, wherein each 1000L of the liquid fertilizer comprises the following materials in parts by weight: 70-80 kg of potassium humate, 45-55 kg of urea, 15-25 kg of monopotassium phosphate, 54-65 kg of potassium sulfate, 14-25 kg of borax, 0.5-2 kg of sodium naphthalene acetate, 1-4 kg of chelated calcium, 24-35 kg of magnesium sulfate heptahydrate and the balance of biogas slurry. The invention also provides a preparation method and a use method of the liquid fertilizer. The invention combines the different nutrient elements needed by crops in each growth stage, takes the biogas slurry as the main raw material, converts and utilizes the biogas slurry, combines anaerobic fermentation and aerobic fermentation, has more comprehensive fermentation, easily absorbed nutrients and more metabolic active products, takes roots and nourishes the roots by adding and preparing a solid or liquid medicament, improves the rhizosphere environment, promotes the crops to take roots quickly and improves the stress resistance; the major and middle trace elements have comprehensive nutrition, and the special plant growth conditioner is added, so that the nutrient deficiency symptom is obviously reduced, and the drought resistance, cold resistance and disease resistance of the plant can be improved.
Description
Technical Field
The invention relates to the field of liquid fertilizers for rooting and root cultivation, in particular to a liquid fertilizer for rooting and root cultivation and a preparation method thereof.
Background
With the development of large-scale biogas engineering construction, how to recycle a large amount of biogas slurry discharged every day has become a problem which people pay attention to generally, if reasonable conversion and utilization are not carried out, secondary pollution to the environment and waste of resources are caused. The biogas slurry after anaerobic fermentation is rich in protein, amino acid, humic acid, antibiotics, plant growth regulating substances and a small amount of mineral nutrients (major and minor trace elements), has the characteristic of water solubility, and is quick-acting, long-acting, safe and green. The liquid fertilizer prepared from the biogas slurry is scientifically and reasonably applied, so that the soil structure is effectively improved, and the content of organic matters and nutrient elements in the soil is increased.
At present, although a variety of liquid fertilizers prepared from biogas slurry are developed in the market, the production process is often too complex or too simple, the nutrient content in the biogas slurry cannot be guaranteed, and the requirements of crops on nutrient elements in different growth periods cannot be met.
Disclosure of Invention
The invention provides a liquid fertilizer for rooting and root-raising and a preparation method thereof, and solves the problems that the liquid fertilizer has poor rooting and root-raising effect and cannot meet the requirements of crops on nutrient elements in different growth cycles in the prior art.
The technical scheme of the invention is realized as follows:
every 1000L of liquid fertilizer for rooting and root-raising comprises the following materials in parts by weight:
70-80 kg of potassium humate, 45-55 kg of urea, 15-25 kg of monopotassium phosphate, 54-65 kg of potassium sulfate, 14-25 kg of borax, 0.5-2 kg of sodium naphthalene acetate, 1-4 kg of chelated calcium, 24-35 kg of magnesium sulfate heptahydrate and the balance of biogas slurry.
Optionally, each 1000L of the liquid fertilizer is prepared from the following materials in parts by weight:
76kg of potassium humate, 51kg of urea, 21kg of monopotassium phosphate, 61kg of potassium sulfate, 21kg of borax, 1kg of sodium naphthaleneacetate, 2kg of chelated calcium, 31kg of magnesium sulfate heptahydrate and the balance of biogas slurry.
Optionally, the preparation process of the biogas slurry comprises the following steps: the method comprises the following steps of (1) pretreating excrement generated by livestock and poultry breeding, feeding the excrement into an anaerobic reactor, decomposing and fully leaching solid matters in an anaerobic environment, leaching antibiotics and nutrient-rich substances in the solid matters into anaerobic reaction liquid, decomposing the antibiotics through anaerobic bacteria and decomposing enzyme, and killing most harmful germs; the biogas residues and biogas slurry generated by anaerobic fermentation are subjected to solid-liquid separation to obtain biogas slurry, and the biogas slurry is subjected to aerobic biochemical treatment to remove residual antibiotic substances and harmful bacteria, so that safety and harmlessness are achieved.
Optionally, the pretreatment is to add wastewater or biogas slurry into the feces produced by livestock and poultry breeding, adjust the total solid concentration to 8% -10%, and stir uniformly.
Optionally, the aerobic biochemical treatment process is as follows: biogas slurry generated by anaerobic fermentation enters biological oxidation units such as a biological filter and an aeration tank after primary precipitation, and residual antibiotic substances and harmful bacteria are removed by microorganisms, and then enters a liquid storage tank for temporary storage after secondary precipitation.
The invention also provides a preparation method of the liquid fertilizer for rooting and root culturing, which comprises the following steps:
(1) pumping the biogas slurry in the biogas slurry tank into a biogas slurry metering elevated tank of production equipment;
(2) according to the quantity and the type of materials required to be added in the liquid fertilizer preparation process, the materials are respectively placed in corresponding storage tanks, the discharge port of each storage tank corresponds to a batching scale, the materials are sequentially and respectively put into a reaction kettle for reaction, and the reaction is controlled by a PLC;
(3) after all materials are reacted, discharging the materials into a stirring tank, wherein the reacted materials are in a semifluid state, and pumping the materials into an outdoor liquid fertilizer storage tank for storage through a discharge pump after uniform stirring;
(4) and (6) metering and packaging.
Optionally, in the step (2), the quantities and types of the materials are sequentially and respectively put into the reaction kettle, and the specific steps are as follows:
adding 200kg of biogas slurry into a reaction kettle, stirring, and heating to 68-72 ℃;
slowly adding 70-80 kg of potassium humate, heating to 70-75 ℃, and stirring for 25-35 min;
adding 45-55 kg of urea, stirring at the temperature of 60-70 ℃ for 8-12 min;
adding 15-25 kg of monopotassium phosphate, stirring for 8-12 min at the temperature of more than 40 ℃;
adding 54-65 kg of potassium sulfate, stirring for 8-12 min at the temperature of more than 40 ℃;
adding 14-25 kg of borax at about 30 ℃, and stirring for 8-12 min;
adding 1kg of sodium naphthalene acetate, stirring for 8-12 min at the temperature of about 30 ℃;
adding 2kg of chelated calcium, stirring for 8-12 min at the temperature of about 30 ℃;
adding 24-35 kg of magnesium sulfate heptahydrate, stirring for 8-12 min at about 30 ℃;
adding 250kg of biogas slurry, and continuously stirring for 25-35 min;
all the materials in the reaction kettle enter a stirring tank, and stirring is carried out for 8-12 min;
adding 200kg of biogas slurry, washing the reaction kettle, feeding the washed biogas slurry into a stirring tank, and stirring for 8-12 min;
adding the residual biogas slurry, washing the reaction kettle, feeding the washed biogas slurry into a stirring tank, and stirring for 8-12 min;
and (4) all the materials in the stirring tank enter the finished product tank, and stopping stirring.
Optionally, in the step (2), the step of sequentially and respectively charging the quantities and the types of the materials into the reaction kettle comprises:
adding 200kg of biogas slurry into a reaction kettle, stirring, and heating to 70 ℃;
slowly adding 70-80 kg of potassium humate, heating to 70-75 ℃, and stirring for 30 min;
adding 45-55 kg of urea, stirring at the temperature of 60-70 ℃ for 10 min;
adding 15-25 kg of monopotassium phosphate, stirring for 10min at the temperature of more than 40 ℃;
adding 54-65 kg of potassium sulfate, stirring for 10min at the temperature of more than 40 ℃;
adding 14-25 kg of borax at about 30 ℃, and stirring for 10 min;
adding 1kg of sodium naphthalene acetate, stirring for 10min at about 30 ℃;
adding chelated calcium 2kg, stirring at about 30 deg.C for 10 min;
adding 24-35 kg of magnesium sulfate heptahydrate, stirring for 10min at about 30 ℃;
adding 250kg of biogas slurry, and continuously stirring for 30 min;
all the materials in the reaction kettle enter a stirring tank and are stirred for 10 min;
adding 200kg of biogas slurry, washing the reaction kettle, feeding the washed biogas slurry into a stirring tank, and stirring for 10 min;
adding the residual biogas slurry, washing the reaction kettle, feeding the washed biogas slurry into a stirring tank, and stirring for 10 min;
and (4) all the materials in the stirring tank enter the finished product tank, and stopping stirring.
The invention also provides a use method of the liquid fertilizer for rooting and root culturing, which adopts a flushing or drip irrigation mode, and the use amount is 60-75 kg/hectare.
The invention has the beneficial effects that:
the production equipment disclosed by the invention is adopted in combination with different nutrient elements required by crops in each growth stage, the biogas slurry is used as a main raw material, the biogas slurry is converted and utilized, the anaerobic fermentation and the aerobic fermentation are combined, the fermentation is more comprehensive, the nutrients are easy to absorb, a plurality of metabolic active products are generated, and a solid or liquid medicament is added and prepared to take roots and nourish the roots, so that the rhizosphere environment is improved, the rapid rooting of the crops is promoted, and the stress resistance is improved; the major and middle trace elements have comprehensive nutrition, and the special plant growth conditioner is added to regulate the growth of crops, promote rooting, sprouting and flowering, prevent flower and fruit dropping, promote early maturity and increase yield, and the like, so that the nutrient deficiency symptom is obviously reduced, and the drought resistance, cold resistance and disease resistance of the plants can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of the preparation of the liquid fertilizer of the present invention;
FIG. 2 is a flow chart of preparation of biogas slurry according to the invention;
FIG. 3 is a front view of the liquid fertilizer production apparatus of the present invention;
fig. 4 is a top view of the liquid fertilizer production apparatus of the present invention.
Reference numerals:
1. the device comprises a frame, 2 a biogas slurry metering elevated tank, 3 a storage tank, 4 a batching scale, 5 a main belt conveying mechanism, 6 a reaction kettle, 7 a stirring tank, 8 a material transferring slurry pump, 9 a material discharging pump.
Detailed Description
To make the features and effects of the present invention comprehensible to those having ordinary knowledge in the art, general description and definitions are made with respect to terms and phrases mentioned in the specification and claims. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
In this document, the terms "comprising," "including," "having," "containing," or any other similar term, are intended to be open-ended franslational phrase (open-ended franslational phrase) and are intended to cover non-exclusive inclusions. For example, a composition or article comprising a plurality of elements is not limited to only those elements recited herein, but may include other elements not expressly listed but generally inherent to such composition or article. In addition, unless expressly stated to the contrary, the term "or" is intended to mean an inclusive "or" rather than an exclusive "or". For example, the condition "a or B" is satisfied in any of the following cases: a is true (or present) and B is false (or not present), a is false (or not present) and B is true (or present), both a and B are true (or present). Furthermore, in this document, the terms "comprising," including, "" having, "" containing, "and" containing "are to be construed as specifically disclosed and to cover both closed and semi-closed conjunctions, such as" consisting of … "and" consisting essentially of ….
All features or conditions defined herein as numerical ranges or percentage ranges are for brevity and convenience only. Accordingly, the description of numerical ranges or percentage ranges should be considered to have covered and specifically disclosed all possible subranges and individual numerical values within the ranges, particularly integer numerical values. For example, a description of a range of "1 to 8" should be considered to have specifically disclosed all subranges such as 1 to 7, 2 to 8, 2 to 6, 3 to 6, 4 to 8, 3 to 8, and so on, particularly subranges bounded by all integer values, and should be considered to have specifically disclosed individual values such as 1, 2, 3, 4, 5, 6, 7, 8, and so on, within the range. Unless otherwise indicated, the foregoing explanatory methods apply to all matters contained in the entire disclosure, whether broad or not.
If an amount or other value or parameter is expressed as a range, preferred range, or a list of upper and lower limits, it is to be understood that all ranges subsumed therein for any pair of that range's upper or preferred value and that range's lower or preferred value, whether or not such ranges are separately disclosed, are specifically disclosed herein. Further, when a range of numerical values is recited herein, unless otherwise stated, the range is intended to include the endpoints thereof, and all integers and fractions within the range.
In this context, numerical values should be understood to have the precision of the number of significant digits of the value, provided that the object of the invention is achieved. For example, the number 40.0 should be understood to cover a range from 39.50 to 40.49. In this document, where Markush group (Markush group) or Option language is used to describe features or examples of the invention, those skilled in the art will recognize that a sub-group of all elements or any individual element within a Markush group or list of options may also be used to describe the invention. For example, if X is described as "selected from the group consisting of1、X2And X3The group "also indicates that X has been fully described as X1Is claimed with X1And/or X2Claim (5). Furthermore, where Markush group or Option terms are used to describe features or examples of the invention, those skilled in the art will appreciate that any combination of sub-groups of all elements or individual elements within the Markush group or Option List can also be used to describe the inventionAnd (5) clearing. Accordingly, for example, if X is described as "selected from the group consisting of1、X2And X3Group consisting of "and Y is described as" selected from Y1、Y2And Y3The group "formed indicates that X has been fully described as X1Or X2Or X3And Y is Y1Or Y2Or Y3Claim (5).
The following detailed description is merely exemplary in nature and is not intended to limit the invention or the application thereof. Furthermore, there is no intention to be bound by any theory presented in the preceding prior art or the summary of the invention or the following detailed description or examples.
Example 1:
every 1000L of liquid fertilizer for rooting and root-raising comprises the following materials in parts by weight:
76kg of potassium humate, 51kg of urea, 21kg of monopotassium phosphate, 61kg of potassium sulfate, 21kg of borax, 1kg of sodium naphthaleneacetate, 2kg of chelated calcium, 31kg of magnesium sulfate heptahydrate and the balance of biogas slurry.
Optionally, as shown in fig. 2, the preparation process of the biogas slurry is as follows: the method comprises the following steps of (1) pretreating excrement generated by livestock and poultry breeding, entering an anaerobic reactor, decomposing and fully leaching solid matters in an anaerobic environment, leaching antibiotics and nutrient-rich substances in the solid matters into anaerobic reaction liquid, decomposing the antibiotics through anaerobic bacteria and decomposing enzyme, and killing most harmful germs; the biogas residues and biogas slurry generated by anaerobic fermentation are subjected to solid-liquid separation to obtain biogas slurry, and the biogas slurry is subjected to aerobic biochemical treatment to remove residual antibiotic substances and harmful bacteria, so that safety and harmlessness are achieved.
Optionally, the pretreatment is to add wastewater or biogas slurry into the feces produced by livestock and poultry breeding, adjust the total solid concentration to 8% -10%, and stir uniformly.
Optionally, the aerobic biochemical treatment process is as follows: biogas slurry generated by anaerobic fermentation enters biological oxidation units such as a biological filter and an aeration tank after primary precipitation, and residual antibiotic substances and harmful bacteria are removed by microorganisms, and then enters a liquid storage tank for temporary storage after secondary precipitation.
The invention also provides a production device for producing the liquid fertilizer for rooting and root-raising, which comprises the following components as shown in figures 3-4: the device comprises a frame 1, a submerged pump, a biogas slurry metering elevated tank 2, a plurality of storage tanks 3, a batching scale 4, a reaction kettle 6, a main belt conveying mechanism 5 for feeding the reaction kettle 6, a stirring tank 7, an outdoor liquid fertilizer storage tank, and a discharge pump 9 for discharging slurry in the stirring tank 7, wherein the batching scale 4, the reaction kettle 6, the main belt conveying mechanism 5, the stirring tank 7, the outdoor liquid fertilizer storage tank and the storage tank 3 are in equal number and are in one-to-one correspondence with the storage tanks 3, biogas slurry in the biogas slurry tank enters the biogas slurry metering elevated tank 2 through the submerged pump, the batching scale 4 is mutually converged with a conveying belt of the main belt conveying mechanism 5, the tail end of the conveying belt of the main belt conveying mechanism 5 is positioned above a feeding hole of the reaction kettle 6, a discharging hole of the reaction kettle 6 is connected with the feeding hole of the stirring tank 7 through a material transferring slurry pump 8, the reaction kettle 6 is provided with a first liquid inlet, a first liquid outlet of the biogas slurry metering elevated tank 2, and a discharge hole of the stirring tank 7 is connected with an outdoor liquid fertilizer storage tank through a discharge pump 9.
Optionally, an annular distributor is arranged in the reaction kettle 6, the annular distributor is located above the blades in the reaction kettle 6, and the annular distributor is fixedly connected in the reaction kettle 6.
Optionally, the annular distributor is provided with a flushing hole facing the inner wall of the reaction kettle 6.
Optionally, a second liquid inlet communicated with the annular distributor is formed in the reaction kettle 6, and the second liquid inlet is connected with a second liquid outlet of the biogas slurry metering elevated tank 2 through a pipeline provided with a valve.
The invention also provides a preparation method of the liquid fertilizer for rooting and root-raising, which comprises the following steps as shown in figure 1:
(1) pumping the biogas slurry in the biogas slurry tank into a biogas slurry metering elevated tank 2 of the production equipment;
(2) according to the quantity and the type of materials required to be added in the liquid fertilizer preparation process, the materials are respectively placed in corresponding storage tanks 3, the discharge port of each storage tank 3 corresponds to one batching scale 4, the materials are sequentially and respectively put into a reaction kettle 6 for reaction, and the reaction is controlled by a PLC;
(3) after all the materials are reacted, discharging the materials into a stirring tank 7, wherein the reacted materials are in a semifluid state, and after the materials are uniformly stirred to meet the requirement, pumping the materials into an outdoor liquid fertilizer storage tank through a discharge pump 9 for storage;
(4) and (6) metering and packaging.
Optionally, in the step (2), the quantities and types of the materials are sequentially and respectively put into the reaction kettle, and the specific steps are as follows:
adding 200kg of biogas slurry into a reaction kettle, stirring, and heating to 68-72 ℃;
slowly adding 70-80 kg of potassium humate, heating to 70-75 ℃, and stirring for 25-35 min;
adding 45-55 kg of urea, stirring at the temperature of 60-70 ℃ for 8-12 min;
adding 15-25 kg of monopotassium phosphate, stirring for 8-12 min at the temperature of more than 40 ℃;
adding 54-65 kg of potassium sulfate, stirring for 8-12 min at the temperature of more than 40 ℃;
adding 14-25 kg of borax at about 30 ℃, and stirring for 8-12 min;
adding 1kg of sodium naphthalene acetate, stirring for 8-12 min at the temperature of about 30 ℃;
adding 2kg of chelated calcium, stirring for 8-12 min at the temperature of about 30 ℃;
adding 24-35 kg of magnesium sulfate heptahydrate, stirring for 8-12 min at about 30 ℃;
adding 250kg of biogas slurry, and continuously stirring for 25-35 min;
all the materials in the reaction kettle enter a stirring tank, and stirring is carried out for 8-12 min;
adding 200kg of biogas slurry, washing the reaction kettle, feeding the washed biogas slurry into a stirring tank, and stirring for 8-12 min;
adding the residual biogas slurry, washing the reaction kettle, feeding the washed biogas slurry into a stirring tank, and stirring for 8-12 min;
and (4) all the materials in the stirring tank enter the finished product tank, and stopping stirring.
Optionally, in the step (2), the step of sequentially and respectively charging the quantities and the types of the materials into the reaction kettle 6 includes:
adding 200kg of biogas slurry into a reaction kettle 6, stirring and heating to 70 ℃;
slowly adding 76kg of potassium humate, heating to 70-75 ℃, and stirring for 30 min;
adding 51kg of urea, stirring at the temperature of 60-70 ℃ for 10 min;
adding 21kg of monopotassium phosphate, stirring for 10min at the temperature of more than 40 ℃;
adding 61kg potassium sulfate, stirring at 40 deg.C for 10 min;
adding 21kg of borax, stirring for 10min at the temperature of about 30 ℃;
adding 1kg of sodium naphthalene acetate, stirring for 10min at about 30 ℃;
adding chelated calcium 2kg, stirring at about 30 deg.C for 10 min;
adding 31kg of magnesium sulfate heptahydrate, stirring for 10min at about 30 ℃;
adding 250kg of biogas slurry, and continuously stirring for 30 min;
all the materials in the reaction kettle 6 enter a stirring tank 7 and are stirred for 10 min;
adding 200kg of biogas slurry, washing the reaction kettle 6, feeding the washed biogas slurry into a stirring tank 7, and stirring for 10 min;
adding the residual biogas slurry, washing the reaction kettle 6, feeding the washed biogas slurry into a stirring tank 7, and stirring for 10 min;
all the materials in the stirring tank 7 enter the finished product tank, and the stirring is stopped.
The invention also provides a use method of the liquid fertilizer for rooting and root culturing, which adopts a flushing or drip irrigation mode, and the use amount is 60-75 kg/hectare.
And testing the obtained product, wherein the test items and the test results are shown in table 1, and the detection indexes of the finished product are as follows: macroelement content (N + P)2O5+K2O) is more than or equal to 60 g/L; organic matter is more than or equal to 60 g/L; the medium element (Ca + Mg) is more than or equal to 5 g/L; the trace elements (Zn + B + Mn + Mo + Cu + Fe) are more than or equal to 2 g/L.
Table 1: example 1 liquid fertilizer test results table
| Serial number | Detecting items | Unit of measurement | The result of the detection | Individual evaluation |
| 1 | Macroelement content (N + P)2O5+K2O) | g/L | 78.3 | / |
| 2 | Organic matter | g/L | 63.75 | / |
| 3 | Water insoluble substance | g/L | 6.00 | Qualified |
| 4 | Middle element | g/L | 5.3 | / |
| 5 | Trace elements | g/L | 2.2 | / |
| 6 | pH | The ratio of material to liquid is 1:250 | 7.51 | Qualified |
Example 2:
every 1000L of liquid fertilizer for rooting and root-raising comprises the following materials in parts by weight:
70kg of potassium humate, 45kg of urea, 15kg of monopotassium phosphate, 54kg of potassium sulfate, 14kg of borax, 0.5kg of sodium naphthaleneacetate, 1kg of chelated calcium, 24kg of magnesium sulfate heptahydrate and the balance of biogas slurry.
The obtained product was subjected to the test, and the test items and the test results are shown in table 2.
Table 2: example 2 liquid fertilizer test results table
| Serial number | Detecting items | Unit of measurement | The result of the detection | Individual evaluation |
| 1 | Macroelement content (N + P)2O5+K2O) | g/L | 68.7 | / |
| 2 | Organic matter | g/L | 59.24 | / |
| 3 | Water insoluble substance | g/L | 6.28 | Qualified |
| 4 | Middle element | g/L | 5.1 | / |
| 5 | Trace elements | g/L | 2.1 | / |
| 6 | pH | The ratio of material to liquid is 1:250 | 7.21 | Qualified |
Example 3:
every 1000L of liquid fertilizer for rooting and root-raising comprises the following materials in parts by weight:
80kg of potassium humate, 55kg of urea, 25kg of monopotassium phosphate, 65kg of potassium sulfate, 25kg of borax, 2kg of sodium naphthaleneacetate, 4kg of chelated calcium, 35kg of magnesium sulfate heptahydrate and the balance of biogas slurry.
The obtained product was subjected to the test, and the test items and the test results are shown in table 3.
Table 3: example 3 liquid fertilizer test results table
| Serial number | Detecting items | Unit of measurement | The result of the detection | Individual evaluation |
| 1 | Macroelement content (N + P)2O5+K2O) | g/L | 72.5 | / |
| 2 | Organic matter | g/L | 61.68 | / |
| 3 | Water insoluble substance | g/L | 6.76 | Qualified |
| 4 | Middle element | g/L | 5.2 | / |
| 5 | Trace elements | g/L | 2.2 | / |
| 6 | pH | The ratio of material to liquid is 1:250 | 7.76 | Qualified |
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The liquid fertilizer for rooting and root culturing is characterized in that every 1000L of the liquid fertilizer is composed of the following materials in parts by weight:
70-80 kg of potassium humate, 45-55 kg of urea, 15-25 kg of monopotassium phosphate, 54-65 kg of potassium sulfate, 14-25 kg of borax, 0.5-2 kg of sodium naphthalene acetate, 1-4 kg of chelated calcium, 24-35 kg of magnesium sulfate heptahydrate and the balance of biogas slurry.
2. The liquid fertilizer for rooting and root raising of claim 1, wherein each 1000L of the liquid fertilizer comprises the following materials in parts by weight:
76kg of potassium humate, 51kg of urea, 21kg of monopotassium phosphate, 61kg of potassium sulfate, 21kg of borax, 1kg of sodium naphthaleneacetate, 2kg of chelated calcium, 31kg of magnesium sulfate heptahydrate and the balance of biogas slurry.
3. The liquid fertilizer for rooting and root nourishing of claim 1, wherein the preparation process of the biogas slurry comprises the following steps: the method comprises the following steps of (1) pretreating excrement generated by livestock and poultry breeding, feeding the excrement into an anaerobic reactor, decomposing and leaching solid matters in an anaerobic environment, leaching antibiotics and nutrient-rich substances in the solid matters into anaerobic reaction liquid, decomposing the antibiotics through anaerobic bacteria and decomposing enzyme, and killing most harmful germs; and performing solid-liquid separation on biogas residues and biogas slurry generated by anaerobic fermentation to obtain biogas slurry, and performing aerobic biochemical treatment on the biogas slurry to remove residual antibiotic substances and harmful bacteria.
4. The liquid fertilizer for rooting and root raising according to claim 3, wherein the pretreatment is to add wastewater or biogas slurry to the manure produced in livestock and poultry breeding, adjust the total solid concentration to 8% -10%, and stir uniformly.
5. The liquid fertilizer for rooting and root raising of claim 3, wherein the aerobic biochemical treatment process comprises the following steps: biogas slurry generated by anaerobic fermentation enters a biological oxidation unit after primary precipitation, and residual antibiotic substances and harmful germs are removed by microorganisms and enter a liquid storage tank for temporary storage after secondary precipitation.
6. The method for preparing the liquid fertilizer for rooting and root raising according to any one of claims 1 to 5, which comprises the following steps:
(1) pumping the biogas slurry in the biogas slurry tank into a biogas slurry metering elevated tank of production equipment;
(2) according to the quantity and the type of materials required to be added in the liquid fertilizer preparation process, the materials are respectively placed in corresponding storage tanks, the discharge port of each storage tank corresponds to a batching scale, the materials are sequentially and respectively put into a reaction kettle for reaction, and the reaction is controlled by a PLC;
(3) after all materials are reacted, discharging the materials into a stirring tank, wherein the reacted materials are in a semifluid state, and pumping the materials into an outdoor liquid fertilizer storage tank for storage through a discharge pump after uniform stirring;
(4) and (6) metering and packaging.
7. The preparation method according to claim 6, wherein in the step (2), the materials are respectively put into the reaction kettle according to the quantity and the type of the materials, and the specific steps are as follows:
adding 200kg of biogas slurry into a reaction kettle, stirring, and heating to 68-72 ℃;
slowly adding 70-80 kg of potassium humate, heating to 70-75 ℃, and stirring for 25-35 min;
adding 45-55 kg of urea, stirring at the temperature of 60-70 ℃ for 8-12 min;
adding 15-25 kg of monopotassium phosphate, stirring for 8-12 min at the temperature of more than 40 ℃;
adding 54-65 kg of potassium sulfate, stirring for 8-12 min at the temperature of more than 40 ℃;
adding 14-25 kg of borax at about 30 ℃, and stirring for 8-12 min;
adding 1kg of sodium naphthalene acetate, stirring for 8-12 min at the temperature of about 30 ℃;
adding 2kg of chelated calcium, stirring for 8-12 min at the temperature of about 30 ℃;
adding 24-35 kg of magnesium sulfate heptahydrate, stirring for 8-12 min at about 30 ℃;
adding 250kg of biogas slurry, and continuously stirring for 25-35 min;
all the materials in the reaction kettle enter a stirring tank, and stirring is carried out for 8-12 min;
adding 200kg of biogas slurry, washing the reaction kettle, feeding the washed biogas slurry into a stirring tank, and stirring for 8-12 min;
adding the residual biogas slurry, washing the reaction kettle, feeding the washed biogas slurry into a stirring tank, and stirring for 8-12 min;
and (4) all the materials in the stirring tank enter the finished product tank, and stopping stirring.
8. The preparation method according to claim 7, wherein in the step (2), the materials are respectively put into the reaction kettle according to the quantity and the type of the materials, and the specific steps are as follows:
adding 200kg of biogas slurry into a reaction kettle, stirring, and heating to 70 ℃;
slowly adding 70-80 kg of potassium humate, heating to 70-75 ℃, and stirring for 30 min;
adding 45-55 kg of urea, stirring at the temperature of 60-70 ℃ for 10 min;
adding 15-25 kg of monopotassium phosphate, stirring for 10min at the temperature of more than 40 ℃;
adding 54-65 kg of potassium sulfate, stirring for 10min at the temperature of more than 40 ℃;
adding 14-25 kg of borax at about 30 ℃, and stirring for 10 min;
adding 1kg of sodium naphthalene acetate, stirring for 10min at about 30 ℃;
adding chelated calcium 2kg, stirring at about 30 deg.C for 10 min;
adding 24-35 kg of magnesium sulfate heptahydrate, stirring for 10min at about 30 ℃;
adding 250kg of biogas slurry, and continuously stirring for 30 min;
all the materials in the reaction kettle enter a stirring tank and are stirred for 10 min;
adding 200kg of biogas slurry, washing the reaction kettle, feeding the washed biogas slurry into a stirring tank, and stirring for 10 min;
adding the residual biogas slurry, washing the reaction kettle, feeding the washed biogas slurry into a stirring tank, and stirring for 10 min;
and (4) all the materials in the stirring tank enter the finished product tank, and stopping stirring.
9. The use method of the liquid fertilizer for rooting and root raising according to any one of claims 1 to 5, characterized in that the liquid fertilizer is applied by flushing or drip irrigation at a dosage of 60 to 75 kg/ha.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113121280A (en) * | 2021-04-13 | 2021-07-16 | 安徽珍硒农业科技有限责任公司 | Selenium-rich organic nutrient solution for cultivating rice and wheat and preparation method thereof |
| CN113831167A (en) * | 2021-11-09 | 2021-12-24 | 沈阳农业大学 | Microorganism rooting agent prepared from biogas slurry and preparation method thereof |
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| 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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| CN108947725A (en) * | 2018-07-11 | 2018-12-07 | 安徽科技学院 | A method of comprehensive utilization livestock/poultry biogas slurry prepares aqueous liquid fertilizer |
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| CN113831167A (en) * | 2021-11-09 | 2021-12-24 | 沈阳农业大学 | Microorganism rooting agent prepared from biogas slurry and preparation method thereof |
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Application publication date: 20200522 |