CN112430174A - Compound microbial fertilizer processing system and preparation method thereof - Google Patents

Compound microbial fertilizer processing system and preparation method thereof Download PDF

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Publication number
CN112430174A
CN112430174A CN202011631621.1A CN202011631621A CN112430174A CN 112430174 A CN112430174 A CN 112430174A CN 202011631621 A CN202011631621 A CN 202011631621A CN 112430174 A CN112430174 A CN 112430174A
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powder
stirring
solution
nano
reaction tower
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张滕飞
蔡胜
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Shenzhen Man Kai Shi Network Technology Co ltd
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Shenzhen Man Kai Shi Network Technology Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/80—Soil conditioners
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
    • C05B1/02—Superphosphates
    • 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
    • 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)
  • Fertilizers (AREA)

Abstract

The invention relates to the technical field of fertilizer processing, in particular to a compound microbial fertilizer processing system and a preparation method thereof. The processing system comprises a reaction tower and a vacuum freeze dryer, wherein a liquid outlet of the reaction tower is connected with a feeding hole of the reaction kettle, a discharging hole of the reaction kettle is connected with a feeding hole of the reaction tower, a powder outlet of the reaction tower is communicated with a first feeding hole of a granulator, and a discharging hole of the vacuum freeze dryer is communicated with a second feeding hole of the granulator.

Description

Compound microbial fertilizer processing system and preparation method thereof
Technical Field
The invention relates to the technical field of fertilizer processing, in particular to a compound microbial fertilizer processing system and a preparation method thereof.
Background
High-salt wastewater is generated in the manufacturing processes of pesticides, industrial production and the like, although the wastewater is treated in the discharging process, a large amount of high-salt substances still pollute soil, when water containing the high-salt substances is used for irrigation, not only can the root systems of crops be dehydrated, but also strain environments of the soil are damaged, soil hardening is caused, most of fertilizers in the market are used for supplementing nutrient substances required by the growth of the crops, under the high-salt soil environment, the nutrient substances cannot be absorbed at all, other strains cannot normally live, and the survival rate of the plants is low, so that the prior art needs further improvement.
Disclosure of Invention
The invention aims to provide a compound microbial fertilizer processing system for improving soil with high salt content, soil water content and soil fertility and increasing crop yield and a preparation method thereof.
A method for preparing a compound microbial fertilizer comprises the following steps:
(1) adding CaCl2Adding the solution into sodium polystyrene sulfonate, and adding Na dropwise while stirring2CO3Dropwise adding the solution, continuously stirring for 1-2h, centrifuging, taking out precipitate, washing the precipitate with deionized water, and drying to obtain white powder;
(2) adding the white powder, the nano Zn powder, the nano Mg powder and the nano Fe powder in the step (1) into Na2HPO4Uniformly stirring the solution to obtain mixed suspension, pouring the mixed suspension into a reaction kettle 3 with a tetrafluoroethylene lining, heating to the temperature of 120-;
(3) and (3) after the clover is frozen and dried in vacuum, grinding the clover into powder, adding chlorella pyrenoidosa, urea, calcium superphosphate, haliobacterium erythropolis, clostridium pasteurianum, thiobacillus oxydans, sarcina methanii and the mixed powder in the step (2), uniformly mixing, granulating, and then mixing with vermiculite to obtain the finished fertilizer.
Further, CaCl in the step (1)2Solution of sodium polystyrene sulfonate and Na2CO3The volume ratio of the solution is 20-40 ml: 15-30 ml: 3-5 ml.
Further, in the step (2), the white powder, the nano Zn powder, the nano Mg powder, the nano Fe powder and the Na powder are mixed2HPO4The mass volume ratio of the solution is 10-15g, 0.2-0.5mg, 0.3-0.5mg, 0.5-1mg, 15-20 ml.
Further, the mass ratio of the mixed powder, clover, chlorella pyrenoidosa, urea, calcium superphosphate, haliobacter erythraeum, clostridium pasteurianum, thiobacillus oxydans, methanosarcina sarcina and vermiculite in the step (3) is 15-20g, 2-3g, 1-2g, 30-45g, 10-15g, 0.02-0.05mg, 0.01-0.03mg, 0.012-0.015mg, 0.02-0.03mg and 12-15 g.
Further, the CaCl2The solution is saturated CaCl2A solution; na (Na)2CO3The solution is saturated Na2CO3A solution; na (Na)2HPO4The solution is saturated Na2HPO4And (3) solution.
Furthermore, the grain size of the nano Zn is 30-100nm, the grain size of the nano Mg is 30-100nm, the grain size of the nano Fe is 30-100nm, and the grain size of the vermiculite is 1-2 cm.
The composite microbial fertilizer prepared by any one of the methods.
A processing system using the preparation method comprises a reaction tower and a vacuum freeze dryer, wherein a liquid outlet of the reaction tower is connected with a feed inlet of a reaction kettle, a discharge outlet of the reaction kettle is connected with a feed inlet of the reaction tower, a powder outlet of the reaction tower is communicated with a first feed inlet of a granulator, and a discharge outlet of the vacuum freeze dryer is communicated with a second feed inlet of the granulator.
Further, the reaction tower comprises a top plate, a reaction tower feed inlet and a reaction tower drip hole are arranged on the top plate, a first valve is arranged on the reaction tower drip hole, a hydraulic cylinder is fixed on the lower plate surface of the top plate, a hydraulic cylinder body is fixedly connected with the lower plate surface of the top plate, a hydraulic cylinder telescopic rod is connected with a stirring pool through a cross support, the stirring pool is positioned below the top plate, the end part of the cross support is fixedly connected with the opening edge of the stirring pool, the cross center of the cross support is connected with the end part of the hydraulic cylinder telescopic rod, a stirring device is arranged in the stirring pool, a feeding pipeline is communicated with the bottom of the stirring pool, the lower end of the feeding pipeline is communicated with a plurality of material distributing pipes, a second valve is arranged on the feeding pipeline, a centrifugal machine is arranged below the material distributing pipes, the opening at the lower end of the material distributing pipe is positioned above the opening of a centrifuge tube of the centrifuge, the centrifuge tube is sleeved with a sleeve in a sliding way, the bottom of the sleeve is sealed, the side wall of the upper part of the sleeve is provided with a plurality of water permeable holes, the bottom of the sleeve is connected with the inside of a cover body of a centrifuge tube cover through a connecting rod, one end of the connecting rod is connected with the bottom of the sleeve and fixedly connected with the bottom of the sleeve, the other end of the connecting rod is connected with the cover body of the centrifuge tube cover through a thread to form a detachable structure of the centrifuge tube cover and the connecting rod, the lower end of the vertical rod is connected with a fixed disc, the fixed disc is provided with a through hole for the sleeve to pass through, an internal thread is arranged in the through hole, an external thread matched with the internal thread of the through, the backup pad passes through pole setting and stoving pond opening fixed connection, pole setting fixed connection between raceway and backup pad and the stoving pond, stoving pond diapire is equipped with grinder, still be equipped with air-blower and air outlet on the lateral wall in stoving pond, stoving bottom of the pool portion is equipped with the filtration pore, filter the pore and cover the filter screen and feed through down the powder pipeline, but powder pipeline export is equipped with open closed sealed lid down, the below of sealed lid is the blowing pond, the top opening in blowing pond is passed through the several pole setting with the bottom in stoving pond and is connected, the blowing bottom of the pool portion is equipped with the reaction tower liquid outlet and the powder mouth is gone out to the reaction tower.
Further, agitating unit for including agitator motor, agitator motor fixes in stirring bottom of the pool portion, agitator motor output connects the (mixing) shaft, is equipped with several stirring vane on the (mixing) shaft, the length direction of (mixing) shaft is perpendicular with stirring bottom of the pool portion, stirring vane is perpendicular along the length direction of (mixing) shaft.
Further, grinder include the rotating electrical machines, the rotating electrical machines connects the axis of rotation, the grinding roller is established to the axis of rotation overcoat, the axis of rotation passes through the bearing to be connected with the grinding roller rotation, the length direction of grinding roller is parallel with stoving bottom of the pool face, the length direction of grinding roller is perpendicular with the length direction of rotating electrical machines output shaft.
The prepared fertilizer can effectively improve high-salt soil, enables the high-salt soil to recover soil fertility, maintains soil strain environment, uses microorganisms to culture good flora, reduces the using amount of chemical fertilizer of the soil, improves the soil fertility, slowly releases nutrient substances and increases the yield of crops.
Drawings
FIG. 1 is a schematic view of a processing system according to the present invention;
FIG. 2 is a schematic view of a reaction column;
FIG. 3 is a view showing the positional relationship between the cross-shaped support and the upper opening of the stirring tank;
FIG. 4 is a view showing the positional relationship between the fixing plate and the through hole;
FIG. 5 is a diagram showing the positional relationship between the centrifuge tube cover and the centrifuge tube;
FIG. 6 is a diagram showing the positional relationship between the filtering holes and the filtering net;
FIG. 7 is a schematic structural view of a stirring device;
fig. 8 is a schematic structural view of the polishing apparatus.
Detailed Description
The foregoing and other technical and scientific aspects, features and utilities of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1-8. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Example 1:
a method for preparing a compound microbial fertilizer comprises the following steps:
(1) adding CaCl2Adding the solution into sodium polystyrene sulfonate, and adding Na dropwise while stirring2CO3Dropwise adding the solution, then continuing stirring for 1h, centrifuging, taking out precipitate, washing the precipitate with deionized water, and drying to obtain white powder;
(2) then the white powder, the nano Zn powder and the nano Zn powder in the step (1) are addedAdding rice Mg powder, nanometer Fe powder, and Na2HPO4Uniformly stirring the solution to obtain mixed suspension, pouring the mixed suspension into a reaction kettle with a tetrafluoroethylene lining, heating to 120 ℃, reacting for 1 hour, cooling to room temperature, centrifuging to obtain a precipitate, washing the precipitate with deionized water, drying, and mixing powder;
(3) and (3) after the clover is frozen and dried in vacuum, grinding the clover into powder, adding chlorella pyrenoidosa, urea, calcium superphosphate, haliobacterium erythropolis, clostridium pasteurianum, thiobacillus oxydans, sarcina methanii and the mixed powder in the step (2), uniformly mixing, granulating, and then mixing with vermiculite to obtain the finished fertilizer.
The method for preparing the compound microbial fertilizer comprises the step (1) of CaCl2Solution of sodium polystyrene sulfonate and Na2CO3The volume ratio of the solution is 20ml to 15ml to 3 ml.
The white powder, the nano Zn powder, the nano Mg powder, the nano Fe powder and the Na in the step (2)2HPO4The mass volume ratio of the solution is 10g, 0.2mg, 0.3mg, 0.5mg and 15 ml.
The mass ratio of the mixed powder, clover, chlorella pyrenoidosa, urea, calcium superphosphate, haliobacterium erythrodermatum, clostridium pasteurianum, thiobacillus oxydans, methanosarcina sarcina and vermiculite in the step (3) is 15g, 2g, 1g, 30g, 10g, 0.02mg, 0.01mg, 0.012mg, 0.02mg and 12 g.
The CaCl is2The solution is saturated CaCl2A solution; na (Na)2CO3The solution is saturated Na2CO3A solution; na (Na)2HPO4The solution is saturated Na2HPO4And (3) solution.
The grain size of the nano Zn is 30nm, the grain size of the nano Mg is 30nm, and the grain size of the nano Fe is 30 nm.
The compound microbial fertilizer prepared by the method.
The processing system using the preparation method as shown in fig. 1-8 comprises a reaction tower 1 and a vacuum freeze dryer 2, wherein a reaction tower liquid outlet 101 is connected with a reaction kettle feed inlet 301, a reaction kettle discharge outlet 302 is connected with a reaction tower feed inlet 102, a reaction tower powder outlet 104 is communicated with a granulator first feed inlet 401, and a vacuum freeze dryer discharge outlet 201 is communicated with a granulator second feed inlet 402.
The reaction tower 1 comprises a top plate 105, a reaction tower feed inlet 102 and a reaction tower drip port 103 are arranged on the top plate 105, a first valve 106 is arranged on the reaction tower drip port 103, a hydraulic cylinder 107 is fixed on the lower plate of the top plate 105, the cylinder body of the hydraulic cylinder 107 is fixedly connected with the lower plate of the top plate 105, the telescopic rod of the hydraulic cylinder 107 is connected with a stirring pool 109 through a cross support 108, the stirring pool 109 is positioned below the top plate 105, the end part of the cross support 108 is fixedly connected with the opening edge of the stirring pool 109, the cross center of the cross support 108 is connected with the end part of the telescopic rod of the hydraulic cylinder 107, a stirring device 5 is arranged in the stirring pool 109, a feeding pipeline 110 is communicated with the bottom of the stirring pool 109, the lower end of the feeding pipeline 110 is communicated with three material distributing pipes 111, a second valve 112 is arranged on the feeding pipeline 110, the top plate 105 is parallel to the plate surface of the supporting plate 114, when the telescopic rod of the hydraulic cylinder 107 extends, the lower end opening of the material separating pipe 111 is located above the opening of a centrifuge tube 116 of the centrifuge 113, the centrifuge tube 116 is internally sleeved with a sleeve 117 in a sliding manner, the bottom of the sleeve 117 is sealed, the upper side wall of the sleeve 117 is provided with a plurality of water permeable holes 118, the bottom of the sleeve 117 is connected with the inside of a cover body of a centrifuge tube cover 120 through a connecting rod 119, one end of the connecting rod 119 is connected with the bottom of the sleeve 117 and fixedly connected with the bottom of the sleeve 117, the other end of the connecting rod 119 is connected with the cover body of the centrifuge tube cover 120 in a threaded manner to form a detachable structure of the centrifuge tube cover 120 and the connecting rod 119, the lower end of the supporting plate 114 is connected with a vertical rod 121, the lower end of the vertical, the nozzle of the high-pressure liquid spray nozzle 124 faces upwards, the high-pressure liquid spray nozzle 124 is communicated with a water pump through a water pipe 125, the water pump extends into the water tank 6, a drying pool 126 is further arranged below the water pipe 125, the supporting plate 114 is fixedly connected with an opening of the drying pool 126 through an upright rod 115, the water pipe 125 is fixedly connected with the upright rod 115 between the supporting plate 114 and the drying pool 126, a grinding device 127 is arranged on the bottom wall of the drying pool 126, an air blower 128 and an air outlet 129 are further arranged on the side wall of the drying pool 126, a filtering hole 130 is formed in the bottom of the drying pool 126, a filtering net 131 is covered on the filtering hole 130 and is communicated with a powder discharging pipeline 132, an opening and closing sealing cover 133 is arranged at the outlet of the powder discharging pipeline 132, a discharging pool 134 is arranged below the sealing cover 133, an opening above the discharging pool 134 is connected with the bottom of the drying pool 126 through a.
The stirring device 5 comprises a stirring motor 501, the stirring motor 501 is fixed at the bottom of the stirring pool 109, the output end of the stirring motor 501 is connected with a stirring shaft 502, six stirring blades 503 are arranged on the stirring shaft 502, the length direction of the stirring shaft 502 is vertical to the bottom of the stirring pool 109, and the stirring blades 503 are vertical to the length direction of the stirring shaft 502.
The grinding device 127 comprises a rotary motor 1271, the rotary motor 1271 is connected with a rotary shaft 1272, a grinding roller 1273 is sleeved outside the rotary shaft 1272, the rotary shaft 1272 is rotatably connected with the grinding roller 1273 through a bearing, the length direction of the grinding roller 1273 is parallel to the bottom surface of the drying pool 126, and the length direction of the grinding roller 1273 is vertical to the length direction of an output shaft of the rotary motor 1271. The material distribution pipe 111 is made of rubber.
When in use, CaCl is added2The solution and sodium polystyrene sulfonate enter from a feed inlet 102 of the reaction tower, then enter a stirring tank 109, and Na is added2CO3The solution is introduced from a dripping port 103 of the reaction tower, a first valve 106 is opened, and Na2CO3In solution dropwise add stirring pond 109, open agitator motor 501, agitating unit 5 rotates, the misce bene, open pneumatic cylinder 107, pneumatic cylinder 107 telescopic link extension, divide the lower extreme opening of material pipe 111 to stretch into directly over centrifuging tube 116, open second valve 112, the mixed liquid in the stirring pond 109 gets into in centrifuging tube 116, then close second valve 112, adjust the telescopic link of pneumatic cylinder 107, make its shrink, divide material pipe 111 to keep away from centrifuging tube 116 opening, place sleeve pipe 117 in centrifuging tube 116, and the lateral wall of sleeve pipe 117 and the inside wall of centrifuging tube 116 laminate each other, cover centrifuge tube lid 120, open and leave from centrifuge tube lid 120, the centrifugal tube is connected to the openingThe centrifuge 113 starts centrifugation, after the centrifugation, the centrifuge tube 116 is taken out, the tube cover of the centrifuge tube 116 is opened, the sleeve 117 is taken out, meanwhile, the liquid flows out from the water permeable hole 118, the connecting rod 119 is rotated, the connecting rod 119 is detached from the tube cover of the centrifuge tube 116, the sleeve 117 is placed in the through hole 123, the opening of the sleeve 117 is rotated to face the high-pressure liquid spray head 124, the high-pressure spray head sprays deionized water, the sediment at the bottom of the centrifuge tube 116 is washed out, the washed sediment falls into the drying tank 126, the drying tank 126 is opened, the rotary motor 1271 and the blower 128 are turned on, the blower 128 is a hot air blower 128, the wind force is not too large at this moment, the dried powder is prevented from being blown out, the air above the drying tank 126 is slowly heated by using weak wind to achieve the drying effect), the rotary roller rotates around the output shaft of the rotary motor 1271, the dried sediment is ground by the self gravity, white powder is obtained after grinding, the powder falls into a powder discharging pipeline 132 from the filtering hole 130 after grinding is finished, after drying is finished, the sealing cover 133 is opened, the powder falls into the discharging pool 134, and nano Zn powder, nano Mg powder, nano Fe powder and Na powder are placed into the discharging pool 1342HPO4The solution is evenly stirred to obtain mixed suspension, the mixed suspension flows out from a liquid outlet 101 of a reaction tower, enters a reaction kettle 3 with a tetrafluoroethylene lining, is heated to 120-140 ℃, reacts for 1-2h, is cooled to room temperature, flows into a feed inlet 102 of the reaction tower through the reaction tower 1 again, is ground into mixed powder again after passing through a stirring tank 109 and a centrifuge 113, falls into an emptying discharge tank 134, flows out from a powder outlet 104 of the reaction tower, enters a first feed inlet of a granulator 4, is frozen in a vacuum freeze dryer 2 in vacuum, enters a second feed inlet 402 of the granulator, is mixed with powder of chlorella pyrenoidosa, urea, calcium superphosphate, haliobacterium rubrum, clostridium pasteurianum, thiobacillus oxydans and sarcina methanii, is mixed evenly and granulated, and is mixed with vermiculite, obtaining the finished fertilizer.
Example 2:
a method for preparing a compound microbial fertilizer comprises the following steps:
(1) adding CaCl2The solution is added to the polyphenylSodium vinyl sulfonate, adding Na dropwise while stirring2CO3Dropwise adding the solution, continuously stirring for 1.5h, centrifuging, taking out precipitate, washing the precipitate with deionized water, and drying to obtain white powder;
(2) adding the white powder, the nano Zn powder, the nano Mg powder and the nano Fe powder in the step (1) into Na2HPO4Uniformly stirring the solution to obtain mixed suspension, pouring the mixed suspension into a reaction kettle with a tetrafluoroethylene lining, heating to 130 ℃, reacting for 1.5 hours, cooling to room temperature, centrifuging to obtain a precipitate, washing the precipitate with deionized water, drying, and mixing powder;
(3) and (3) after the clover is frozen and dried in vacuum, grinding the clover into powder, adding chlorella pyrenoidosa, urea, calcium superphosphate, haliobacterium erythropolis, clostridium pasteurianum, thiobacillus oxydans, sarcina methanii and the mixed powder in the step (2), uniformly mixing, granulating, and then mixing with vermiculite to obtain the finished fertilizer.
The method for preparing the compound microbial fertilizer comprises the step (1) of CaCl2Solution of sodium polystyrene sulfonate and Na2CO3The volume ratio of the solution is 30ml to 20ml to 4 ml.
The white powder, the nano Zn powder, the nano Mg powder, the nano Fe powder and the Na in the step (2)2HPO4The mass volume ratio of the solution is 12g, 0.3mg, 0.4mg, 0.8mg and 18 ml.
The mass ratio of the mixed powder, clover, chlorella pyrenoidosa, urea, calcium superphosphate, haliobacterium erythrodermatum, clostridium pasteurianum, thiobacillus oxydans, methanosarcina sarcina and vermiculite in the step (3) is 18g, 2.5g, 1.5g, 40g, 12g, 0.03mg, 0.02mg, 0.014mg, 0.025mg and 14 g.
The CaCl is2The solution is saturated CaCl2A solution; na (Na)2CO3The solution is saturated Na2CO3A solution; na (Na)2HPO4The solution is saturated Na2HPO4And (3) solution.
The grain diameter of the nano Zn is 50nm, the grain diameter of the nano Mg is 50nm, and the grain diameter of the nano Fe is 50 nm.
The compound microbial fertilizer prepared by the method.
Example 3:
a method for preparing a compound microbial fertilizer comprises the following steps:
(1) adding CaCl2Adding the solution into sodium polystyrene sulfonate, and adding Na dropwise while stirring2CO3Dropwise adding the solution, then continuing stirring for 2h, centrifuging, taking out precipitate, washing the precipitate with deionized water, and drying to obtain white powder;
(2) adding the white powder, the nano Zn powder, the nano Mg powder and the nano Fe powder in the step (1) into Na2HPO4Uniformly stirring the solution to obtain mixed suspension, pouring the mixed suspension into a reaction kettle with a tetrafluoroethylene lining, heating to 140 ℃, reacting for 2 hours, cooling to room temperature, centrifuging to obtain a precipitate, washing the precipitate with deionized water, drying, and mixing powder;
(3) and (3) after the clover is frozen and dried in vacuum, grinding the clover into powder, adding chlorella pyrenoidosa, urea, calcium superphosphate, haliobacterium erythropolis, clostridium pasteurianum, thiobacillus oxydans, sarcina methanii and the mixed powder in the step (2), uniformly mixing, granulating, and then mixing with vermiculite to obtain the finished fertilizer.
The method for preparing the compound microbial fertilizer comprises the step (1) of CaCl2Solution of sodium polystyrene sulfonate and Na2CO3The volume ratio of the solution is 40ml to 30ml to 5 ml.
The white powder, the nano Zn powder, the nano Mg powder, the nano Fe powder and the Na in the step (2)2HPO4The mass volume ratio of the solution is 15g to 0.5mg to 1mg to 20 ml.
The mass ratio of the mixed powder, the clover, the chlorella pyrenoidosa, the urea, the calcium superphosphate, the haliobacter erythraea, the clostridium pasteurianum, the thiobacillus oxydans, the methane sarcina and the vermiculite in the step (3) is 20g to 3g to 2g to 45g to 15g to 0.05mg to 0.03mg to 0.015mg to 0.03mg to 15 g.
Said CaCl2The solution is saturated CaCl2A solution; na (Na)2CO3The solution is saturated Na2CO3A solution; na (Na)2HPO4The solution is saturated Na2HPO4And (3) solution.
The grain diameter of the nano Zn is 100nm, the grain diameter of the nano Mg is 100nm, and the grain diameter of the nano Fe is 100 nm.
The compound microbial fertilizer prepared by the method.
Test example 1:
the compound microbial fertilizer prepared in the embodiment 1 of the invention and compound fertilizers directly purchased in the market
Figure 66459DEST_PATH_IMAGE001
Two test fields with high polluted salt content, namely a test field 1 (example 1) and a test field 2 (XXX row compound fertilizer directly purchased in the market), are respectively fertilized, wheat with the same variety and the same growth period is planted in the test fields, and the change of the soil water content is monitored after 15 days of fertilization.
From the above, the compound microbial fertilizer prepared in the embodiment 1 of the invention can effectively improve the water content of the soil and recover the soil moisture.
Test example 2:
the compound microbial fertilizer prepared in the embodiment 1 of the invention and the compound fertilizer directly purchased in the market are used for respectively fertilizing two test fields with high polluted salt content, namely one mu of test field, the test field 1 (the embodiment 1) and the test field 2 (XXX row compound fertilizer directly purchased in the market) are planted with the same variety and wheat with the same growth period, the change of the soil water content is monitored after 15 days of fertilization, 936 jin of wheat is collected from the test field 1, and 200 jin of wheat is collected from the test field.

Claims (10)

1. The method for preparing the compound microbial fertilizer is characterized by comprising the following steps of:
(1) adding CaCl2Adding the solution into sodium polystyrene sulfonate, and adding Na dropwise while stirring2CO3Dropwise adding the solution, continuously stirring for 1-2h, centrifuging, taking out precipitate, washing the precipitate with deionized water, and drying to obtain white powder;
(2) adding the white powder, the nano Zn powder, the nano Mg powder and the nano Fe powder in the step (1) into Na2HPO4Uniformly stirring the solution to obtain mixed suspension, pouring the mixed suspension into a reaction kettle 3 with a tetrafluoroethylene lining, heating to the temperature of 120-;
(3) and (3) after the clover is frozen and dried in vacuum, grinding the clover into powder, adding chlorella pyrenoidosa, urea, calcium superphosphate, haliobacterium erythropolis, clostridium pasteurianum, thiobacillus oxydans, sarcina methanii and the mixed powder in the step (2), uniformly mixing, granulating, and then mixing with vermiculite to obtain the finished fertilizer.
2. The method for producing composite microbial fertilizer according to claim 1, wherein in the step (1), CaCl is added2Solution of sodium polystyrene sulfonate and Na2CO3The volume ratio of the solution is 20-40 ml: 15-30 ml: 3-5 ml.
3. The method of claim 1, wherein in the step (2), the white powder, the nano Zn powder, the nano Mg powder, the nano Fe powder and the Na powder are mixed2HPO4The mass volume ratio of the solution is 10-15g, 0.2-0.5mg, 0.3-0.5mg, 0.5-1mg, 15-20 ml.
4. The method of claim 1, wherein the mass ratio of the mixed powder, clover, Chlorella pyrenoidosa, urea, calcium superphosphate, Halobacterium erythraeum, Clostridium pasteurianum, Thiobacillus oxydans, Methanosarcina and vermiculite in step (3) is 15-20g, 2-3g, 1-2g, 30-45g, 10-15g, 0.02-0.05mg, 0.01-0.03mg, 0.012-0.015mg, 0.02-0.03mg and 12-15 g.
5. The method of claim 1, wherein the CaCl is added2The solution is saturated CaCl2A solution; na (Na)2CO3The solution is saturated Na2CO3A solution; na (Na)2HPO4The solution is saturated Na2HPO4A solution; the grain size of the nano Zn is 30-100nm, the grain size of the nano Mg is 30-100nm, the grain size of the nano Fe is 30-100nm, and the grain size of the vermiculite is 1-2 cm.
6. A composite microbial fertilizer obtainable by the process of any one of claims 1 to 5.
7. A processing system using the preparation method of claim 1, which is characterized by comprising a reaction tower and a vacuum freeze dryer, wherein a liquid outlet of the reaction tower is connected with a feeding hole of a reaction kettle, a discharging hole of the reaction kettle is connected with a feeding hole of the reaction tower, a powder outlet of the reaction tower is communicated with a first feeding hole of a granulator, and a discharging hole of the vacuum freeze dryer is communicated with a second feeding hole of the granulator.
8. The processing system of claim 6, wherein the reaction tower comprises a top plate, the top plate is provided with a reaction tower feed inlet and a reaction tower drip outlet, the reaction tower drip outlet is provided with a first valve, a hydraulic cylinder is fixed on the lower plate surface of the top plate, a cylinder body of the hydraulic cylinder is fixedly connected with the lower plate surface of the top plate, a telescopic rod of the hydraulic cylinder is connected with a stirring pool through a cross bracket, the stirring pool is positioned below the top plate, the end part of the cross bracket is fixedly connected with the opening edge of the stirring pool, the cross center of the cross bracket is connected with the end part of the telescopic rod of the hydraulic cylinder, a stirring device is arranged in the stirring pool, the bottom of the stirring pool is communicated with a feeding pipeline, the lower end of the feeding pipeline is communicated with a plurality of material distributing pipes, the feeding pipeline is provided with a second valve, a centrifuge, when the telescopic rod of the hydraulic cylinder extends, the lower end opening of the material distributing pipe is positioned above the opening of a centrifuge tube of the centrifuge, the centrifuge tube is sleeved with a sleeve in a sliding way, the bottom of the sleeve is sealed, the side wall of the upper part of the sleeve is provided with a plurality of water permeable holes, the bottom of the sleeve is connected with the inside of a cover body of a centrifuge tube cover through a connecting rod, one end of the connecting rod is connected with the bottom of the sleeve and is fixedly connected with the bottom of the sleeve, the other end of the connecting rod is in threaded connection with the cover body of the centrifuge tube cover to form a detachable structure of the centrifuge tube cover and the connecting rod, the lower end of the supporting plate is connected with a fixed disc, the fixed disc is provided with a through hole for the sleeve to pass through, an internal thread is arranged in the through hole, the raceway below still is equipped with the stoving pond, the backup pad passes through pole setting and stoving pond opening fixed connection, pole setting fixed connection between raceway and backup pad and the stoving pond, stoving pond diapire is equipped with grinder, still be equipped with air-blower and air outlet on the lateral wall in stoving pond, stoving bottom of the pool portion is equipped with the filtration pore, filter the pore and cover the filter screen and feed through powder pipeline down, but powder pipeline export is equipped with open closed sealed lid down, the below in sealed lid is the blowing pond, the top opening in blowing pond is passed through the several pole setting with the bottom in stoving pond and is connected, blowing bottom of the pool portion is equipped with reaction tower liquid outlet and reaction tower play powder mouth.
9. The processing system of claim 6, wherein the stirring device comprises a stirring motor fixed at the bottom of the stirring tank, the output end of the stirring motor is connected with the stirring shaft, the stirring shaft is provided with a plurality of stirring blades, the length direction of the stirring shaft is perpendicular to the bottom of the stirring tank, and the stirring blades are perpendicular to the length direction of the stirring shaft.
10. The processing system as claimed in claim 6, wherein the grinding device comprises a rotary motor, the rotary motor is connected with a rotary shaft, the rotary shaft is sleeved with a grinding roller, the rotary shaft is rotatably connected with the grinding roller through a bearing, the length direction of the grinding roller is parallel to the bottom surface of the drying tank, and the length direction of the grinding roller is perpendicular to the length direction of an output shaft of the rotary motor.
CN202011631621.1A 2020-12-31 2020-12-31 Compound microbial fertilizer processing system and preparation method thereof Withdrawn CN112430174A (en)

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CN202011631621.1A CN112430174A (en) 2020-12-31 2020-12-31 Compound microbial fertilizer processing system and preparation method thereof

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115487708A (en) * 2022-09-06 2022-12-20 安徽广信农化股份有限公司 Reaction kettle for processing carbendazim suspending agent and processing method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115487708A (en) * 2022-09-06 2022-12-20 安徽广信农化股份有限公司 Reaction kettle for processing carbendazim suspending agent and processing method thereof

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Application publication date: 20210302