CN109111929A - A kind of loosening of soil agent and preparation method - Google Patents
A kind of loosening of soil agent and preparation method Download PDFInfo
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- CN109111929A CN109111929A CN201810890993.2A CN201810890993A CN109111929A CN 109111929 A CN109111929 A CN 109111929A CN 201810890993 A CN201810890993 A CN 201810890993A CN 109111929 A CN109111929 A CN 109111929A
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- loosening
- soil
- polyvinyl alcohol
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- soil agent
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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
-
- 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
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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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- 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
- C09K2109/00—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE pH regulation
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Environmental Sciences (AREA)
- Fertilizers (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention discloses a kind of loosening of soil agent, be made of according to mass percent following material: polyvinyl alcohol 2~17.5%, glycerol 26.5~50%, methylcellulose 0.8~4%, ammonium hydrogen carbonate 35.5~49%, polyethylene glycol 0.5~12.6%, lime powder 0.5~12.6%, the sum of the above components mass percent are 100%.The invention also discloses a kind of preparation methods of loosening of soil agent, will obtain blend after polyvinyl alcohol and glycerol congruent melting；Methylcellulose and ammonium hydrogen carbonate are added into blend, pelletizes after mixing, obtains mixing soft particle；After mixing by polyethylene glycol and lime powder, it adds the soft particle of mixing, be uniformly mixed to get loosening of soil agent is arrived；A kind of loosening of soil agent of the present invention, outer layer are hydrophilic material polyethylene glycol, are dissolved after meeting water, and simultaneous oxidation calcium meets water heat release, promote polyvinyl alcohol and methylcellulose swelling, so that ammonium bicarbonate breaks down makes loosening of soil to release carbon dioxide and ammonia.
Description
Technical field
The invention belongs to soil improvement method technical fields, and in particular to a kind of loosening of soil agent further relates to a kind of soil
The preparation method of leavening agent.
Background technique
In recent years, due to unscientific tillage method and unreasonable fertilising, lead to China's arable soil quality degradation,
Soil hardening has become one of the problem the most serious for influencing China's agricultural development, is the main performance of soil physics sexual involution
One of form.Currently, the main method that China administers soil hardening has applying organic manure, increases microbial bacterial agent, appropriate application
Soil conditioner promotes drought-resistant agriculture.Wherein, the cardinal principle of suitably application soil conditioner is by soil conditioner
Organic-inorganic colloid in the bivalent cations such as silicon, calcium, iron and soil can form soil aggregate structure quickly to solve soil plate
Knot problem promotes root growth.
Summary of the invention
The object of the present invention is to provide a kind of loosening of soil agent, solve soil hardening, compensate for foaming technique and apply to
The problem of preventing and treating soil hardening field blank.
The object of the invention is also to provide a kind of preparation methods of loosening of soil agent.
The first technical solution of the present invention is a kind of loosening of soil agent, according to mass percent by following material
Material composition: polyvinyl alcohol 2~17.5%, glycerol 26.5~50%, methylcellulose 0.8~4%, ammonium hydrogen carbonate 35.5~
49%, polyethylene glycol 0.5~12.6%, lime powder 0.5~12.6%, the sum of the above components mass percent are
100%.
The features of the present invention also characterized in that
Molecular weight polyethylene glycol is 4000~20000Da, and polyvinyl alcohol molecule amount is 16000~20000Da, Methyl cellulose
Plain molecular weight is 10000~15000Da, and 97% or more diameter of particle of ammonium hydrogen carbonate is 150~180 μm.
Second of technical solution of the present invention be,
Step 1, following material: polyvinyl alcohol 2~17.5%, glycerol 26.5~50%, first is weighed according to mass percent
Base cellulose 0.8~4%, ammonium hydrogen carbonate 35.5~49%, polyethylene glycol 0.5~12.6%, lime powder 0.5~
12.6%, the sum of the above components mass percent is 100%.
Step 2, polyvinyl alcohol and glycerol are squeezed out after congruent melting in extruder, then cooled to room temperature, is total to
Mixed object；
Step 3, methylcellulose and ammonium hydrogen carbonate are added into blend, is placed in granulator after mixing, obtains
To the soft particle of mixing；
Step 4, by polyethylene glycol and lime powder in coating pan after mixing, then into coating pan be added described in
Soft particle is mixed, is uniformly mixed to get loosening of soil agent is arrived；
The features of the present invention also characterized in that
Step 2 eutectic temperature is 120~130 DEG C.
Step 3 mixes in soft particle 97% or more grain diameter in 0.8~1.5mm.
Molecular weight polyethylene glycol is 4000~20000Da, and polyvinyl alcohol molecule amount is 16000~20000Da, Methyl cellulose
Plain molecular weight is 10000~15000Da, and 97% or more diameter of particle of ammonium hydrogen carbonate is 150~180 μm.
The beneficial effects of the present invention are: prepared a kind of loosening of soil agent of the invention is degradation material, in its chance
Carbon dioxide and ammonia are generated after water, chesson is come with this, increases the crumb structure of soil, increases porosity, adjust soil
Consolidation reduces the soil weight, coordinates water, fertilizer, air and heat situation, improves performance of retaining and conserveing soil moisture, and creates for soil microbial activity
Good environment.
Detailed description of the invention
Fig. 1 is a kind of loosening of soil agent structural schematic diagram of the present invention.
Specific embodiment
A kind of loosening of soil agent provided by the invention, structure is as shown in Figure 1, according to mass percent by following material group
At: polyvinyl alcohol 2~17.5%, glycerol 26.5~50%, 0.8~4%, 97% or more diameter of particle of methylcellulose are 150
~230 μm of ammonium hydrogen carbonate 35.5~49%, the polyethylene glycol 0.5~12.6% that molecular weight is 4000~20000, calcium oxide powder
End 0.5~12.6%, the sum of the above components mass percent are 100%.
A kind of preparation method of loosening of soil agent of the invention, specific steps are as follows:
Step 1, weigh following material according to mass percent: molecular weight be 16000~20000Da polyvinyl alcohol 2~
17.5%, glycerol 26.5~50%, molecular weight are 10000~15000Da methylcellulose, 0.8~4%, 97% or more powder grain
The polyethylene glycol 0.5 that diameter is 150~180 μm of ammonium hydrogen carbonate 35.5~49%, molecular weight is 4000~20000Da~
12.6%, lime powder 0.5~12.6%, the sum of the above components mass percent are 100%.
Step 2, polyvinyl alcohol and glycerol are squeezed out after congruent melting in extruder, hot melting temperature is 120~130 DEG C；Then
Cooled to room temperature obtains blend；
Step 3, methylcellulose and ammonium hydrogen carbonate are added into blend, is placed in granulator after mixing, obtains
To soft particle is mixed, mixing 97% or more grain diameter in soft particle is 0.8~1.5mm；
Step 4, by polyethylene glycol and lime powder in coating pan after mixing, then into coating pan be added described in
Soft particle is mixed, is uniformly mixed to get loosening of soil agent is arrived.
The following describes the present invention in detail with reference to examples
Embodiment 1
Step 1, following material is weighed: polyvinyl alcohol 5g that molecular weight is 4000Da, glycerol 80g, molecular weight 10000Da
Methylcellulose 3g, 97% or more diameter of particle be 150 μm ammonium hydrogen carbonate 85g, molecular weight be 8000Da polyethylene glycol
1.5g, lime powder 1.5g.
Step 2, polyvinyl alcohol and glycerol are squeezed out after congruent melting in extruder, eutectic temperature is 120 DEG C；Then naturally cold
But to room temperature, blend is obtained；
Step 3, methylcellulose and ammonium hydrogen carbonate are added into blend, is placed in granulator after mixing, obtains
To soft particle is mixed, wherein mixing 97% or more grain diameter in soft particle is 0.8mm；
Step 4, by polyethylene glycol and lime powder in coating pan after mixing, then into coating pan be added described in
Soft particle is mixed, is uniformly mixed, 97% or more grain diameter is 1.5mm in final particle, and heap density is 500kg/m3To get arriving
Loosening of soil agent.
Embodiment 2
Step 1, weigh following material: polyvinyl alcohol 55g that molecular weight is 20000Da, glycerol 100g, molecular weight are
The methylcellulose 8g of 15000Da, 97% or more diameter of particle are that 180 μm of ammonium hydrogen carbonate 155g, molecular weight is 12000Da
Polyethylene glycol 30g, lime powder 30g；
Step 2, polyvinyl alcohol and glycerol are squeezed out after congruent melting in extruder, eutectic temperature is 130 DEG C；Then naturally cold
But to room temperature, blend is obtained；
Step 3, methylcellulose and ammonium hydrogen carbonate are added into blend, is placed in granulator after mixing, obtains
To soft particle is mixed, wherein mixing 97% or more grain diameter in soft particle is 1.0mm；
Step 4, by polyethylene glycol and lime powder in coating pan after mixing, then into coating pan be added described in
Soft particle is mixed, is uniformly mixed, 97% or more grain diameter is 2.0mm in final particle, and heap density is 600kg/m3To get arriving
Loosening of soil agent.
Embodiment 3
Step 1, weigh following material: polyvinyl alcohol 50g that molecular weight is 18000Da, glycerol 1000g, molecular weight are
The methylcellulose 80g of 13000Da, 97% or more diameter of particle are that 160 μm of ammonium hydrogen carbonate 850g, molecular weight is 5000Da
Polyethylene glycol 15g, lime powder 15g；
Step 2, polyvinyl alcohol and glycerol are squeezed out after congruent melting in extruder, eutectic temperature is 130 DEG C；Then naturally cold
But to room temperature, blend is obtained；
Step 3, methylcellulose and ammonium hydrogen carbonate are added into blend, is placed in granulator after mixing, obtains
To soft particle is mixed, wherein mixing 97% or more grain diameter in soft particle is 1.5mm；
Step 4, by polyethylene glycol and lime powder in coating pan after mixing, then into coating pan be added described in
Soft particle is mixed, is uniformly mixed, 97% or more grain diameter is 2.3mm in final particle, and heap density is 800kg/m3To get arriving
Loosening of soil agent.
Embodiment 4
Step 1, weigh following material: polyvinyl alcohol 550g that molecular weight is 19000Da, glycerol 800g, molecular weight are
The methylcellulose 30g of 12000Da, 97% or more diameter of particle are 180 μm of ammonium hydrogen carbonate 1550g, molecular weight 20000Da
Liquid Macrogol g, lime powder 300g；
Step 2, polyvinyl alcohol and glycerol are squeezed out after congruent melting in extruder, eutectic temperature is 130 DEG C；Then naturally cold
But to room temperature, blend is obtained；
Step 3, methylcellulose and ammonium hydrogen carbonate are added into blend, is placed in granulator after mixing, obtains
To soft particle is mixed, wherein mixing 97% or more grain diameter in soft particle is 1.5mm；
Step 4, by polyethylene glycol and lime powder in coating pan after mixing, then into coating pan be added described in
Soft particle is mixed, is uniformly mixed, 97% or more grain diameter is 2.1mm in final particle, and heap density is 700kg/m3To get arriving
Loosening of soil agent.
Embodiment 5
Step 1, weigh following material: polyvinyl alcohol 50g that molecular weight is 17000Da, glycerol 800g, molecular weight are
The methylcellulose 80g of 17000Da, 97% or more diameter of particle are that 150 μm of ammonium hydrogen carbonate 850g, molecular weight is 4000Da
Liquid Macrogol g, lime powder 300g；
Step 2, polyvinyl alcohol and glycerol are squeezed out after congruent melting in extruder, eutectic temperature is 125 DEG C；Then naturally cold
But to room temperature, blend is obtained；
Step 3, methylcellulose and ammonium hydrogen carbonate are added into blend, is placed in granulator after mixing, obtains
To soft particle is mixed, wherein mixing 97% or more grain diameter in soft particle is 0.8mm；
Step 4, by polyethylene glycol and lime powder in coating pan after mixing, then into coating pan be added described in
Soft particle is mixed, is uniformly mixed, 97% or more grain diameter is 1.8mm in final particle, and heap density is 700kg/m3To get arriving
Loosening of soil agent.
Embodiment 6
Step 1, weigh following material: molecular weight is 19000Da polyvinyl alcohol 550g, glycerol 1000g, molecular weight are
14000Da methylcellulose 30g, 97% or more diameter of particle are that 180 μm of ammonium hydrogen carbonate 1550g, molecular weight is 6000Da
Polyethylene glycol 15g, lime powder 15g；
Step 2, polyvinyl alcohol and glycerol are squeezed out after congruent melting in extruder, melting temperatur is 125 DEG C；Then natural cooling
To room temperature, blend is obtained；
Step 3, methylcellulose and ammonium hydrogen carbonate are added into blend, is placed in granulator after mixing, obtains
To soft particle is mixed, wherein mixing 97% or more grain diameter in soft particle is 1.5mm；
Step 4, by polyethylene glycol and lime powder in coating pan after mixing, then into coating pan be added described in
Soft particle is mixed, is uniformly mixed, 97% or more grain diameter is 2.3mm in final particle, and heap density is 800kg/m3To get arriving
Loosening of soil agent.
A kind of loosening of soil agent of the present invention, outer layer are hydrophilic material polyethylene glycol, are dissolved after meeting water, simultaneous oxidation calcium
Water heat release is met, polyvinyl alcohol and methylcellulose swelling are promoted, so that ammonium bicarbonate breaks down, to release carbon dioxide and ammonia
Gas.
It is available by comparing the experiment for loosening of soil agent of the present invention being added with loosening of soil agent of the present invention not being added, add
Hardened soil is obviously loose after entering loosening of soil agent of the present invention, and porosity is larger.Soil is real after loosening of soil agent of the present invention is added
Density size is 1.0g/cm3, and the soil real density that leavening agent is not added is 1.2g/cm3；Leavening agent is used in this group of comparative test
Amount is 500kg/666.67m2。
Soil real density is 1.04g/cm before leavening agent is added in another group of comparative example3, be added leavening agent after soil real density
For 0.93g/cm3；Leavening agent dosage is 500kg/666.67m in this group of comparative test2。
Leavening agent dosage is 500-800kg/666.67m2。
The present invention mainly uses foam theory, and prepared loosening of soil agent discharges carbon dioxide and ammonia after meeting water
Carry out chesson, increase the hole of soil particle, conducive to the holding of soil moisture and the circulation of air.In addition, system of the present invention
Standby loosening of soil agent is biodegradable material, can be degraded by microorganisms in the soil, not will cause environmental pollution.
Claims (6)
1. a kind of loosening of soil agent, which is characterized in that be made of according to mass percent following material: polyvinyl alcohol 2~
17.5%, glycerol 26.5~50%, methylcellulose 0.8~4%, ammonium hydrogen carbonate 35.5~49%, polyethylene glycol 0.5~
12.6%, lime powder 0.5~12.6%, the sum of the above components mass percent are 100%.
2. a kind of preparation method of loosening of soil agent according to claim 2, which is characterized in that the peg molecule
Amount is 4000~20000Da, and the polyvinyl alcohol molecule amount is 16000~20000Da, and the methylcellulose molecular weight is
10000~15000Da, 97% or more the diameter of particle of ammonium hydrogen carbonate are 150~180 μm.
3. a kind of preparation method of loosening of soil agent, which is characterized in that specific steps are as follows:
Step 1, weigh following material according to mass percent: polyvinyl alcohol 2~17.5%, glycerol 26.5~50%, methyl are fine
Plain 0.8~4%, ammonium hydrogen carbonate 35.5~49%, polyethylene glycol 0.5~12.6%, lime powder 0.5~12.6% are tieed up, with
The sum of upper each component mass percent is 100%；
Step 2, polyvinyl alcohol and glycerol are squeezed out after congruent melting in extruder, then cooled to room temperature, obtains blend；
Step 3, the methylcellulose and ammonium hydrogen carbonate are added into the blend, is placed in granulation mechanism after mixing
Grain, obtains mixing soft particle；
Step 4, by the polyethylene glycol and lime powder in coating pan after mixing, then into coating pan be added described in
Soft particle is mixed, is uniformly mixed to get loosening of soil agent is arrived.
4. a kind of preparation method of loosening of soil agent according to claim 3, which is characterized in that congruent melting altogether described in step 2
Temperature is 120~130 DEG C.
5. a kind of preparation method of loosening of soil agent according to claim 3, which is characterized in that mixing described in step 3 is soft
97% or more grain diameter is 0.8~1.5mm in particle.
6. a kind of preparation method of loosening of soil agent according to claim 3, which is characterized in that the peg molecule
Amount is 4000~20000Da, and the polyvinyl alcohol molecule amount is 16000~20000Da, and the methylcellulose molecular weight is
10000~15000Da, 97% or more the diameter of particle of ammonium hydrogen carbonate are 150~180 μm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810890993.2A CN109111929B (en) | 2018-08-07 | 2018-08-07 | Soil bulking agent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810890993.2A CN109111929B (en) | 2018-08-07 | 2018-08-07 | Soil bulking agent and preparation method thereof |
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| CN109111929A true CN109111929A (en) | 2019-01-01 |
| CN109111929B CN109111929B (en) | 2020-07-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111484232A (en) * | 2020-03-09 | 2020-08-04 | 杭州埃莫森环保科技有限公司 | Biological treatment method and biological treatment system for manufacturing anti-hardening ecological nutrient soil |
| CN111484223A (en) * | 2020-03-09 | 2020-08-04 | 杭州埃莫森环保科技有限公司 | Sludge treatment method and sludge treatment system for manufacturing anti-hardening ecological nutrient soil |
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| CN105295945A (en) * | 2015-11-30 | 2016-02-03 | 天津吉水佳生物科技有限公司 | Soil leavening agent |
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| CN106118667A (en) * | 2016-06-17 | 2016-11-16 | 汤海涛 | A kind of loosening of soil agent |
| CN106242882A (en) * | 2016-03-02 | 2016-12-21 | 西安华诺环保股份有限公司 | A kind of soil contaminated by crude oil bulking agent and preparation method thereof |
| CN106396883A (en) * | 2016-08-30 | 2017-02-15 | 山东胜伟园林科技有限公司 | Saline and alkaline soil improvement agent including soil loosening agent, and preparation method of soil improvement agent |
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2018
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| CN1074330A (en) * | 1992-01-17 | 1993-07-21 | 陈从云 | Method of steam fertilising |
| CN105885445A (en) * | 2015-04-09 | 2016-08-24 | 湖南工业大学 | Potato starch and long bamboo fiber composite foamed material and preparation method thereof |
| CN105295945A (en) * | 2015-11-30 | 2016-02-03 | 天津吉水佳生物科技有限公司 | Soil leavening agent |
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| CN111484232A (en) * | 2020-03-09 | 2020-08-04 | 杭州埃莫森环保科技有限公司 | Biological treatment method and biological treatment system for manufacturing anti-hardening ecological nutrient soil |
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