CN106922245B - A kind of soil improvement method - Google Patents
A kind of soil improvement method Download PDFInfo
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- CN106922245B CN106922245B CN201710158839.1A CN201710158839A CN106922245B CN 106922245 B CN106922245 B CN 106922245B CN 201710158839 A CN201710158839 A CN 201710158839A CN 106922245 B CN106922245 B CN 106922245B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2101/00—Agricultural use
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
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- Engineering & Computer Science (AREA)
- Soil Sciences (AREA)
- Mechanical Engineering (AREA)
- Environmental Sciences (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of soil improvement methods, include the following steps: to weigh stalk, jujube leaf, vinasse, microbe leaven, mica, chitosan, sulphur, ironic citrate, nanometer water adhesive, polyethylene glycol acrylate in proportion, anionic polyacrylamide, conch meal, farmyard manure, sodium iron ethylene diamine tetra acetate, sugar alcohol magnesium, old brine, ferment bacterium, vegetalitas lactic acid bacteria, aquaculture pond mud cow dung are made a fire the preparations of soil and 25 parts of bentonite progress soil conditioners；By predetermined depth and predetermined width digging field planting ditch is dug between plant, resulting modifying agent is added in the soil dug out in field planting ditch, obtains mixed soil, wherein the dosage of modifying agent is 800~1500kg/ mus；Resulting mixed soil is backfilled to field planting ditch.The anti-erosion effect of the present invention is good, the fertilizer element turnover rate of dissolution is greatly reduced, and can improve soil organic matter content, while not only adsorbable anion, but also can Liquidity limit.
Description
Technical field
The present invention relates to soil improvement fields, and in particular to a kind of soil improvement method.
Background technique
Currently, China's loss of soil nutrient is serious, because of the amount of being excessively used, many useful fertilizer elements in soil,
Crops, which have little time to absorb, to be just lost.It not only results in waste of resources, but also keeps soil increasingly barren, move towards desertification, alkali
Change.Although the use of water-retaining agent can maintain the moisture storage capacity in soil, soil erosion is reduced, makes the fertilizer element turnover rate drop of dissolution
It is low, but the defect that its generally existing Anion-adsorption ability is poor.
Summary of the invention
To solve the above problems, anti-erosion effect is good the present invention provides a kind of soil improvement method, make dissolution
Fertilizer element turnover rate is greatly reduced, and can improve soil organic matter content, while not only adsorbable anion, but can adsorb sun from
Son.
To achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of soil improvement method, includes the following steps:
S1,15~20 parts of weighed stalk, 10~20 parts of jujube leaf, 10~15 parts of vinasse be placed in steam-explosion jar, first lead to
Entering nitrogen to steam explosion pressure inside the tank is 0.7~1.7MPa, 10~30min of explosion treatment；Then it is passed through steam rapidly to steam-explosion jar
Interior pressure is 1.7~2.3MPa, 3~5min of Steam explosion treatment, after being cooled to room temperature, is connect according to the ratio of inoculum concentration 1.5%
Kind microbe leaven, is kept for 30~40 DEG C of temperature, is fermented 48~54 hours, low temperature drying, obtains pulvis after fermentation；
S2,15~20 parts of mica, 5~11 parts of chitosan, 20~30 parts of sulphur, ironic citrate 13~21 part, nanometer are weighed
10~15 parts of aqueous binder, 0.002~1 part of polyethylene glycol acrylate, 30~50 parts of anionic polyacrylamide, conch meal
10~20 parts, 20~40 parts of farmyard manure, 5~10 parts of sodium iron ethylene diamine tetra acetate, 10~20 parts of sugar alcohol magnesium, 45~65 parts of old brine
It is placed in stirring in high-speed mixer to discharge after being sufficiently mixed, obtains mixture；
S3, it is sprayed into obtained by step S2 after weighing 0.8~1.8 part of ferment bacterium, 3~6 parts of vegetalitas lactic acid bacteria 3~5 times of dilutions
Mixture in and mix, hereafter spray weekly 1 time, turn and be formed uniformly stable bacterium colony body, vaccinization makes to mix after 4~5 weeks
It closes object and enters catabolic phase, stop decomposer inoculation, then turned 1 raw material every 5 days, continue 4~5 weeks, keep in stockpile
Aerobic conditions, humidity is maintained at 75%~85% in stockpile, obtains coarse fodder；
S4, the resulting powder of step S1, the resulting coarse fodder of step S3 are blended, are placed in double screw extruder, water is whole
Aquaculture pond mud cow dung is added after evaporation to make a fire native 10~18 parts, 25~35 parts of bentonite, control screw speed is 180~
Liquid carbon dioxide is filled with delivery pump by 600rpm, heat the carbon dioxide to critical-temperature (31 DEG C) or higher temperature with
Just it is translated into supercritical carbon dioxide, then distinguishes supercritical carbon dioxide in three~tetra- area of extruder and five~eight area
Injection is granulated by melting extrusion, obtains modifying agent；
S5, field planting ditch is dug by digging predetermined depth between plant and predetermined width, is added in the soil dug out in field planting ditch
Resulting modifying agent obtains mixed soil, and wherein the dosage of modifying agent is 800~1500kg/ mus；
S6, resulting mixed soil is backfilled to field planting ditch.
Preferably, the aquaculture pond mud cow dung make a fire soil the preparation method comprises the following steps: aquaculture pond mud is dried, with dry cow dung
Aquaculture pond mud is burnt for fuel, burning to aquaculture pond mud is aterrimus, and the aquaculture pond mud burnt and resulting cow dung ash are pressed
The ratio of mass ratio 2: 1 is mixed into aquaculture pond mud cow dung and makes a fire soil, is ground into 10~20 mesh.
Preferably, the partial size of the conch meal is 1~1.5 centimetre.
Preferably, the aquaculture pond mud is fish, shrimp, the mud in crab seawater aquaculturing pond, and water content is 20~35%
Afterwards, partial size is 1~5 millimeter.
Preferably, the double screw extruder includes 10 temperature controlled regions, and the temperature in 1st~2 area of temperature control is 180~260 DEG C,
The temperature in 3rd~4 area of temperature control is 180~260 DEG C, and the temperature in 5th~6 area of temperature control is 180~260 DEG C, and the temperature in 7th~8 area of temperature control is
180~260 DEG C, the temperature in 9th~10 area of temperature control is 180~260 DEG C, and the pressure in each area is 2~35MPa.
Preferably, stream of supercritical carbon dioxide speed is 1mL/min~50mL/min in the S4
Preferably, it is set on the double screw extruder there are two place is vacuumized, end, the melting of material conveying section is located at one
The starting end of section, another place is located at metering section.
The invention has the following advantages:
A variety of nutriments such as calcium, magnesium, zinc, the silicon of surrounding enviroment are enriched with by the nanoaperture of shell；Pass through raw material
In in old brine and aquaculture pond electronegative ion organic matter, the nothings such as the inorganic anions such as chlorine, bromine, iodine, silicon and calcium, magnesium, sodium, potassium
The ionic adsorption complexing that is formed between machine cation, finally by high-Calcium polypeptide aminoacids solution with anion surface active
The positive electricity nutrient ion such as calcium, magnesium, zinc is complexed in the electronegative carboxyl of each of polypeptide protein long-chain again, absorption exchange,
And then it is enriched with tool complex state and is easier to the nutrients such as the calcium, magnesium, silicon, the zinc that absorb, while anionic polyacrylamide, polyethylene glycol propylene
The polymerizable reticular structure for being cross-linked to form cation, anion, non-ionic group such as acid esters, ironic citrate, both adsorbable yin
Ion, but can Liquidity limit, while nanometer water adhesive main component be polylactic acid and polyester, raw material itself and its degradation
Product no pollution to the environment, in the soil can natural degradation, degradation cycle be 24 months, final catabolite be H2O and CO2.It receives
Rice aqueous binder is rich in great amount of hydroxy group and carboxy functional group, its functional group is made by Electrostatic Absorption after being applied in soil
With, it can reunite and adhered soil particle, form the big partial size soil particle with crumb structure, effectively improvement soil texture, enhancing soil
The anti-erosion of particle, anti-disintegration and water stability ability, realize the purpose of the solid soil of water conservation.Nanometer water adhesive is small by reuniting
Partial size soil particle improves soil texture, moreover it is possible to effectively adjust soil hydro-thermal and nutritional condition, promote vegetation growth.In addition, with solid
Body or water-soluble poor polymeric soil improved materials are compared, and nanometer water adhesive has water solubility, can be configured to water-soluble
Liquid penetrates into slope surface deep, achievees the effect that improve deep soil；Stalk can be held under sodium iron ethylene diamine tetra acetate, sugar alcohol magnesium effect
It is continuous to become humic acid, constantly improve soil aggregate structure；Utilize a variety of Compound-acid ion exchanges soil in plant lactic biological bacterium
In sodium ion using the superpower fertility of plant lactic biological bacterium itself, inhibit corrosion of the sodium and alkali in soil to plant
Property, to break the strand of soil, the existing sodium in soil and alkalinity is made to be restored to initial soil feature, enables crops
Enough normal growths, to effectively achieve the purpose that control salt affected soil；The use of jujube leaf increases the natural anti-of soil
Insect pest performance.
Specific embodiment
In order to which objects and advantages of the present invention are more clearly understood, the present invention is carried out with reference to embodiments further
It is described in detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit this hair
It is bright.
Aquaculture pond mud cow dung used in following embodiment make a fire soil the preparation method comprises the following steps: aquaculture pond mud is shone
It is dry, aquaculture pond mud is burnt by fuel of dry cow dung, burning to aquaculture pond mud is aterrimus, the aquaculture pond mud and gained that will be burnt
The ratio of cow dung ash in mass ratio 2: 1 be mixed into aquaculture pond mud cow dung and make a fire soil, be ground into 10~20 mesh；Used shellfish
The partial size of shell powder is 1~1.5 centimetre；Used aquaculture pond mud is fish, shrimp, the mud in crab seawater aquaculturing pond, is contained
After water is 20~35%, partial size is 1~5 millimeter；The microbe leaven is by gel-shaped bacillus, bulgarian milk bar
The mixing gained of bacterium, streptococcus lactis, Corynebacterium glutamicum in mass ratio 1: 1: 1: 1: 1.
Embodiment 1
A kind of soil improvement method, includes the following steps:
S1,15 parts of weighed stalk, 10 parts of jujube leaf, 10 parts of vinasse be placed in steam-explosion jar, be first passed through nitrogen to steam explosion
Pressure inside the tank is 0.7~1.7MPa, 10~30min of explosion treatment；Then be passed through rapidly steam to steam explosion pressure inside the tank be 1.7~
2.3MPa, 3~5min of Steam explosion treatment after being cooled to room temperature, ferment according to the ratio microbe inoculation of inoculum concentration 1.5%
Agent is kept for 30~40 DEG C of temperature, is fermented 48~54 hours, low temperature drying, obtains pulvis after fermentation
S2, it weighs 15 parts of mica, 5 parts of chitosan, 20 parts of sulphur, 13 parts of ironic citrate, 10 parts of nanometer water adhesive, gather
0.002 part of ethylene glycol acrylate, 30 parts of anionic polyacrylamide, 10 parts of conch meal, 20 parts of farmyard manure, ethylenediamine tetra-acetic acid
5 parts of ferrisodium, 10 parts of sugar alcohol magnesium, 45 parts of old brine be placed in stirring in high-speed mixer and discharge after being sufficiently mixed, obtain mixture；
S3, the resulting mixture of step S2 is sprayed into after weighing 0.8 part of ferment bacterium, 3 parts of vegetalitas lactic acid bacteria 3~5 times of dilutions
In and mix, hereafter spray weekly 1 time, turn and be formed uniformly stable bacterium colony body, vaccinization entered mixture after 4~5 weeks
Catabolic phase stops decomposer inoculation, then turned 1 raw material every 5 days, continues 4~5 weeks, keeps the aerobic item in stockpile
Part, humidity is maintained at 75%~85% in stockpile, obtains coarse fodder；
S4, the resulting powder of step S1, the resulting coarse fodder of step S3 are blended, are placed in double screw extruder, water is whole
Aquaculture pond mud cow dung is added after evaporation to make a fire native 10 parts, 25 parts of bentonite, control screw speed is 180~600rpm, by liquid
State carbon dioxide is filled with delivery pump, heats the carbon dioxide to critical-temperature (31 DEG C) or higher temperature to be translated into
Then supercritical carbon dioxide is injected separately into, through superfusing by supercritical carbon dioxide in three~tetra- area of extruder and five~eight area
Melt extrusion, is granulated, obtains modifying agent；The double screw extruder includes 10 temperature controlled regions, and the temperature in 1st~2 area of temperature control is 180~
260 DEG C, the temperature in 3rd~4 area of temperature control is 180~260 DEG C, and the temperature in 5th~6 area of temperature control is 180~260 DEG C, 7th~8 area of temperature control
Temperature is 180~260 DEG C, and the temperature in 9th~10 area of temperature control is 180~260 DEG C, and the pressure in each area is 2~35MPa, the S4
Middle stream of supercritical carbon dioxide speed is 1mL/min~50mL/min；It is set on the double screw extruder there are two vacuumizing place, one
Place is located at the starting end of the end of material conveying section, melt zone, and another place is located at metering section.
S5, field planting ditch is dug by digging predetermined depth between plant and predetermined width, is added in the soil dug out in field planting ditch
Resulting modifying agent obtains mixed soil, and wherein the dosage of modifying agent is 800~1500kg/ mus；
S6, resulting mixed soil is backfilled to field planting ditch.
Embodiment 2
A kind of soil improvement method, includes the following steps:
S1,20 parts of weighed stalk, 20 parts of jujube leaf, 15 parts of vinasse be placed in steam-explosion jar, be first passed through nitrogen to steam explosion
Pressure inside the tank is 0.7~1.7MPa, 10~30min of explosion treatment；Then be passed through rapidly steam to steam explosion pressure inside the tank be 1.7~
2.3MPa, 3~5min of Steam explosion treatment after being cooled to room temperature, ferment according to the ratio microbe inoculation of inoculum concentration 1.5%
Agent is kept for 30~40 DEG C of temperature, is fermented 48~54 hours, low temperature drying, obtains pulvis after fermentation；
S2, weigh 20 parts of mica, 11 parts of chitosan, 30 parts of sulphur, 21 parts of ironic citrate, 15 parts of nanometer water adhesive,
1 part of polyethylene glycol acrylate, 50 parts of anionic polyacrylamide, 20 parts of conch meal, 40 parts of farmyard manure, iron ethylenediaminetetraacetate
10 parts of sodium, 20 parts of sugar alcohol magnesium, 65 parts of old brine be placed in stirring in high-speed mixer and discharge after being sufficiently mixed, obtain mixture；
S3, the resulting mixture of step S2 is sprayed into after weighing 1.8 parts of ferment bacterium, 6 parts of vegetalitas lactic acid bacteria 3~5 times of dilutions
In and mix, hereafter spray weekly 1 time, turn and be formed uniformly stable bacterium colony body, vaccinization entered mixture after 4~5 weeks
Catabolic phase stops decomposer inoculation, then turned 1 raw material every 5 days, continues 4~5 weeks, keeps the aerobic item in stockpile
Part, humidity is maintained at 75%~85% in stockpile, obtains coarse fodder；
S4, the resulting powder of step S1, the resulting coarse fodder of step S3 are blended, are placed in double screw extruder, water is whole
Aquaculture pond mud cow dung is added after evaporation to make a fire native 18 parts, 35 parts of bentonite, control screw speed is 180~600rpm, by liquid
State carbon dioxide is filled with delivery pump, heats the carbon dioxide to critical-temperature (31 DEG C) or higher temperature to be translated into
Then supercritical carbon dioxide is injected separately into, through superfusing by supercritical carbon dioxide in three~tetra- area of extruder and five~eight area
Melt extrusion, is granulated, obtains modifying agent；The double screw extruder includes 10 temperature controlled regions, and the temperature in 1st~2 area of temperature control is 180~
260 DEG C, the temperature in 3rd~4 area of temperature control is 180~260 DEG C, and the temperature in 5th~6 area of temperature control is 180~260 DEG C, 7th~8 area of temperature control
Temperature is 180~260 DEG C, and the temperature in 9th~10 area of temperature control is 180~260 DEG C, and the pressure in each area is 2~35MPa, the S4
Middle stream of supercritical carbon dioxide speed is 1mL/min~50mL/min；It is set on the double screw extruder there are two vacuumizing place, one
Place is located at the starting end of the end of material conveying section, melt zone, and another place is located at metering section.
S5, field planting ditch is dug by digging predetermined depth between plant and predetermined width, is added in the soil dug out in field planting ditch
Resulting modifying agent obtains mixed soil, and wherein the dosage of modifying agent is 800~1500kg/ mus；
S6, resulting mixed soil is backfilled to field planting ditch.
Embodiment 3
A kind of soil improvement method, includes the following steps:
S1,17.5 parts of weighed stalk, 15 parts of jujube leaf, 12.5 parts of vinasse be placed in steam-explosion jar, be first passed through nitrogen extremely
Steam explosion pressure inside the tank is 0.7~1.7MPa, 10~30min of explosion treatment；Then being passed through steam to steam explosion pressure inside the tank rapidly is
1.7~2.3MPa, 3~5min of Steam explosion treatment, after being cooled to room temperature, according to the ratio microbe inoculation of inoculum concentration 1.5%
Leavening is kept for 30~40 DEG C of temperature, is fermented 48~54 hours, low temperature drying, obtains pulvis after fermentation；
S2,17.5 parts of mica, 8 parts of chitosan, 25 parts of sulphur, 17 parts of ironic citrate, nanometer water adhesive 12.5 are weighed
Part, 0.501 part of polyethylene glycol acrylate, 40 parts of anionic polyacrylamide, 15 parts of conch meal, 30 parts of farmyard manure, ethylenediamine
7.5 parts of tetraacethyl ferrisodium, 15 parts of sugar alcohol magnesium, 55 parts of old brine be placed in stirring in high-speed mixer and discharge after being sufficiently mixed, obtain mixed
Close object；
S3, the resulting mixing of step S2 is sprayed into after weighing 1.3 parts of ferment bacterium, 4.5 parts of vegetalitas lactic acid bacteria 3~5 times of dilutions
In object and mix, hereafter spray weekly 1 time, turn and be formed uniformly stable bacterium colony body, vaccinization make after 4~5 weeks mixture into
Enter catabolic phase, stop decomposer inoculation, then turned 1 raw material every 5 days, continue 4~5 weeks, keeps aerobic in stockpile
Condition, humidity is maintained at 75%~85% in stockpile, obtains coarse fodder；
S4, the resulting powder of step S1, the resulting coarse fodder of step S3 are blended, are placed in double screw extruder, water is whole
Aquaculture pond mud cow dung is added after evaporation to make a fire native 14 parts, 30 parts of bentonite, control screw speed is 180~600rpm, by liquid
State carbon dioxide is filled with delivery pump, heats the carbon dioxide to critical-temperature (31 DEG C) or higher temperature to be translated into
Then supercritical carbon dioxide is injected separately into, through superfusing by supercritical carbon dioxide in three~tetra- area of extruder and five~eight area
Melt extrusion, is granulated, obtains modifying agent；The double screw extruder includes 10 temperature controlled regions, and the temperature in 1st~2 area of temperature control is 180~
260 DEG C, the temperature in 3rd~4 area of temperature control is 180~260 DEG C, and the temperature in 5th~6 area of temperature control is 180~260 DEG C, 7th~8 area of temperature control
Temperature is 180~260 DEG C, and the temperature in 9th~10 area of temperature control is 180~260 DEG C, and the pressure in each area is 2~35MPa, the S4
Middle stream of supercritical carbon dioxide speed is 1mL/min~50mL/min；It is set on the double screw extruder there are two vacuumizing place, one
Place is located at the starting end of the end of material conveying section, melt zone, and another place is located at metering section.
S5, field planting ditch is dug by digging predetermined depth between plant and predetermined width, is added in the soil dug out in field planting ditch
Resulting modifying agent obtains mixed soil, and wherein the dosage of modifying agent is 800~1500kg/ mus；
S6, resulting mixed soil is backfilled to field planting ditch.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, it can also make several improvements and retouch, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of soil improvement method, which comprises the steps of:
S1,15~20 parts of weighed stalk, 10~20 parts of jujube leaf, 10~15 parts of vinasse be placed in steam-explosion jar, be first passed through nitrogen
Gas to steam explosion pressure inside the tank is 0.7~1.7MPa, 10~30min of explosion treatment；Then it is passed through steam rapidly to steam-explosion jar internal pressure
Power is 1.7~2.3MPa, 3~5min of Steam explosion treatment, micro- according to the ratio inoculation of inoculum concentration 1.5% after being cooled to room temperature
Bio-fermentation agent is kept for 30~40 DEG C of temperature, is fermented 48~54 hours, low temperature drying, obtains pulvis after fermentation；
S2,15~20 parts of mica, 5~11 parts of chitosan, 20~30 parts of sulphur, 13~21 parts of ironic citrate, nanometer water are weighed
10~15 parts of adhesive, 0.002~1 part of polyethylene glycol acrylate, 30~50 parts of anionic polyacrylamide, conch meal 10~
20 parts, 20~40 parts of farmyard manure, 5~10 parts of sodium iron ethylene diamine tetra acetate, 10~20 parts of sugar alcohol magnesium, 45~65 parts of old brine be placed in
Stirring discharges after being sufficiently mixed in high-speed mixer, obtains mixture；
S3, weigh that spray into step S2 after 0.8~1.8 part of ferment bacterium, 3~6 parts of vegetalitas lactic acid bacteria 3~5 times of dilutions resulting mixed
It closes in object and mixes, hereafter spray weekly 1 time, turn and be formed uniformly stable bacterium colony body, vaccinization made mixture after 4~5 weeks
Into catabolic phase, stop decomposer inoculation, then turned 1 raw material every 5 days, continue 4~5 weeks, keeps having in stockpile
Oxygen condition, humidity is maintained at 75%~85% in stockpile, obtains coarse fodder；
S4, the resulting pulvis of step S1, the resulting coarse fodder of step S3 are blended, are placed in double screw extruder, water all evaporates
Aquaculture pond mud cow dung is added afterwards to make a fire native 10~18 parts, 25~35 parts of bentonite, control screw speed is 180~600rpm,
Liquid carbon dioxide is filled with delivery pump, heats the carbon dioxide to 31 DEG C of critical-temperature or higher temperature to be converted
For supercritical carbon dioxide, then supercritical carbon dioxide is injected separately into three~tetra- area of extruder and five~eight area, is passed through
Melting extrusion is granulated, obtains modifying agent；
S5, digging predetermined depth and predetermined width digging field planting ditch between plant are pressed, in the soil dug out in field planting ditch obtained by addition
Modifying agent, obtain mixed soil, wherein the dosage of modifying agent be 800~1500kg/ mus；
S6, resulting mixed soil is backfilled to field planting ditch.
2. a kind of soil improvement method according to claim 1, which is characterized in that the aquaculture pond mud cow dung is made a fire soil
The preparation method comprises the following steps: aquaculture pond mud is dried, burn aquaculture pond mud by fuel of dry cow dung, it is pitch black for burning to aquaculture pond mud
The ratio of the aquaculture pond mud burnt and resulting cow dung ash in mass ratio 2: 1 is mixed into aquaculture pond mud cow dung and made a fire by color
Soil is ground into 10~20 mesh.
3. a kind of soil improvement method according to claim 1, which is characterized in that the partial size of the conch meal is 1~
1.5 centimetre.
4. a kind of soil improvement method according to claim 2, which is characterized in that the aquaculture pond mud is fish, shrimp, crab
Mud in seawater aquaculturing pond, water content are 20~35%, and partial size is 1~5 millimeter.
5. a kind of soil improvement method according to claim 1, which is characterized in that the double screw extruder includes 10
A temperature controlled region, the temperature in 1st~2 area of temperature control are 180~260 DEG C, and the temperature in 3rd~4 area of temperature control is 180~260 DEG C, 5th~6 area of temperature control
Temperature be 180~260 DEG C, the temperature in 7th~8 area of temperature control is 180~260 DEG C, and the temperature in 9th~10 area of temperature control is 180~260
DEG C, the pressure in each area is 2~35MPa.
6. a kind of soil improvement method according to claim 1, which is characterized in that supercritical carbon dioxide in the S4
Flow velocity is 1mL/min~50mL/min.
7. a kind of soil improvement method according to claim 1, which is characterized in that the double screw extruder is equipped with two
It is a to vacuumize place, the end of material conveying section, the starting end of melt zone are located at one, another place is located at metering section.
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| CN107162660A (en) * | 2017-07-26 | 2017-09-15 | 河南威宝肥业有限公司 | The fermentation process and biological organic fertilizer of biological organic fertilizer |
| CN108432387A (en) * | 2018-05-11 | 2018-08-24 | 招远昊宇新材料有限责任公司 | A kind of saliferous method of improvement soil |
| CN110862195A (en) * | 2019-11-28 | 2020-03-06 | 衡阳思迈科科技有限公司 | Utilize processing apparatus of aquatic plant secondary purification electrically conductive silver thick liquid production sewage |
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