CN111363552B - Material for farmland transformation and use method - Google Patents

Material for farmland transformation and use method Download PDF

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CN111363552B
CN111363552B CN202010170103.8A CN202010170103A CN111363552B CN 111363552 B CN111363552 B CN 111363552B CN 202010170103 A CN202010170103 A CN 202010170103A CN 111363552 B CN111363552 B CN 111363552B
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pressure injection
small stone
layer
slurry
silicon slurry
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CN111363552A (en
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王振峰
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Henan Lin Mu Agricultural Technology Co ltd
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Henan Lin Mu Agricultural Technology Co ltd
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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
    • C09K17/02—Soil-conditioning materials or soil-stabilising materials containing inorganic compounds only
    • C09K17/06—Calcium compounds, e.g. lime
    • 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
    • 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

Abstract

The invention provides a raw material for farmland transformation and a use method thereof, wherein the physical and chemical characteristics of the raw materials are fully utilized, the raw materials which can be obtained locally and the waste silicon ash in the metal silicon smelting industry are used as the raw materials, the material construction technology is simply and conveniently applied to farmland transformation activities, and the material and the method for carrying out structure transformation on a ginger nut layer are provided, wherein the water seepage and water leakage phenomena of the ginger nut layer are effectively reduced or avoided.

Description

Material for farmland transformation and use method
Technical Field
The invention belongs to the technical field of agriculture, and particularly relates to a material for farmland transformation and a use method thereof.
Background
Under the soil layer for cultivating Chinese Huanghuai river basin, most ginger nut stone layer structures mainly containing calcium carbonate are adopted, the ginger nut stone layer with strong water permeability can only be used for dry field cultivation in the field, and soil moisture conservation agricultural technology cultivation which is accumulated from ancient times and can avoid water evaporation on the surface layer of soil and prevent leakage of the soil layer can not be used for paddy field cultivation on the field with the structure, and is limited by the phenomenon that water seepage and water leakage of small stone stone layer under the cultivated soil layer can not be effectively reduced or avoided, so that agricultural activities such as drought resistance and the like are frequently required, therefore, if theories and technologies in the material field can be applied to the materials, the materials and the method for carrying out structural improvement on small stone layers are invented, the water seepage and water leakage of small stone stone layers can be effectively reduced or avoided, the soil moisture retention capacity can be improved, and the dry field which can not be used for paddy field cultivation due to the water seepage and water leakage under the soil can be improved to form a paddy field, so as to increase the yield of agriculture, The method has positive significance for increasing the income and improving the economic benefit.
Disclosure of Invention
The purpose of the invention is: aiming at the situations and the defects of the prior art, the material and the using method are provided for improving the structure of the water seepage and leakage small stone stone layer below the soil layer so as to improve the soil moisture conservation and realize the transformation of the dry land into the paddy field.
The technical scheme of the invention is as follows: the provided material for farmland transformation is a powdery material for farmland transformation, which is prepared by homogeneously mixing 10-50 parts by weight of silica fume and 50-90 parts by weight of ginger nut stone, wherein the granularity of ginger nut stone is not more than 0.15mm, the granularity of silica fume is not more than 0.045mm, and SiO in silica fume2The content is not less than 90%.
The method for using the material for farmland transformation and the steps are as follows:
the method comprises the following steps: the materials for farmland improvement are uniformly mixed with transmitter water to prepare small stone silicon slurry.
Step two: small stone silicon slurry is layered by pressure injection equipment and is injected into the layer of ginger nut with thickness of 100 mm-500 mm below the transition layer between soil and ginger nut in a graded pressure injection mode.
Step three: small stone the silicon slurry is hard in the layer of ginger nut in static state, and the hard time is not less than 24 hours.
The invention has the beneficial effects that: after the material for farmland transformation is pressed and injected into the ginger nut stone layer, the water seepage and water leakage phenomena of the small stone stone layer are obviously reduced and even avoided, the soil moisture preservation capability of soil is improved, the natural defect that paddy field cultivation cannot be carried out due to water seepage and water leakage under a field cultivation soil layer is overcome, and the purpose of transforming dry farmlands into paddy fields is achieved.
Drawings
Fig. 1 is a schematic view of a soil layer structure of a field to be reformed.
FIG. 2 is a schematic representation of the first squeeze of small stone silicon slurry to a layer of ginger nut under a transition layer in accordance with the present invention.
FIG. 3 is a schematic representation of the present invention supplementing an small stone silicon slurry to the layer of ginger nut under the transition layer.
Wherein: 1, ploughing a soil layer; 2, ploughing a transition layer between soil and ginger nut stones; 3 small stone stone layer and small stone stone layer; 4, performing primary pressure injection on small stone silicon slurry filled ginger nut layer; 5 filling ginger nut layer after small stone silicon slurry is filled; 6, pressing and injecting the catheter.
Detailed Description
The invention will now be further illustrated and described with reference to the accompanying drawings and examples:
FIG. 1 to FIG. 3 show a farmland transformation material, which is a powdery farmland prepared by homogeneously mixing 10 to 50 parts by weight of silica fume and 50 to 90 parts by weight of ginger nut stoneThe reconstruction material comprises ginger nut with granularity not more than 0.15mm, silica fume with granularity not more than 0.045mm and SiO in the silica fume2The content is not less than 90%.
The material and the method for transforming the farmland comprise the following steps:
the method comprises the following steps: the materials for farmland improvement are uniformly mixed with transmitter water to prepare small stone silicon slurry.
Step two: small stone silicon slurry is layered by pressure injection equipment and is injected into the layer of ginger nut with thickness of 100 mm-500 mm below the transition layer between soil and ginger nut in a graded pressure injection mode.
Step three: small stone the silicon slurry is hard in the layer of ginger nut in static state, and the hard time is not less than 24 hours.
Before the method is implemented, firstly, dry farmland with flatness reaching the rice planting requirement is explored, measured and judged for soil layer structure (figure 1), the thickness of a ploughed soil layer is measured, the porosity of a stone layer and the mechanical characteristics of soil are measured small stone through drilling sampling, and grouting amount, grouting pipe insertion depth (figures 1, 2 and 3) and grouting machine working parameters and the like are determined through calculation.
Example one
The invention is prepared as follows before: firstly, the dry land is explored and measured to judge the soil layer structure (figure 1), the thickness of the cultivated soil layer is measured to be about 400mm, the average thickness of a transition layer between the cultivated soil and the ginger stone is 70mm, the thickest part is not more than 90mm, the distance between the upper surface of the ginger stone layer and the cultivated land surface is 500mm, secondly, the porosity of small stone stone layer is measured by drilling sampling to be 10% (the porosity is related to the stacking state of small stone stone layer, and the use amount of small stone silicon slurry per unit land area is calculated according to the theory by using the porosity), the compression resistance characteristic of the soil is measured (the soil mechanical property is related to the structure of the ginger stone layer, according to the porosity, the compression injection pressure of small stone silicon slurry and small stone silicon slurry and the distance between each row and each row of compression injection pipes can be estimated and determined according to the theory), thirdly, the insertion depth of the injection pipe of the first compression injection small stone silicon slurry (the distance from the ground surface) is determined based on the measured data, ensuring that the grouting outlet is arranged in the ginger nut stone layer below the transition layer, the pressure of small stone silicon slurry during the first pressure injection is 20MPa, and the pressure of small stone silicon slurry during the supplementary pressure injection is 35 MPa.
The process and steps for implementing the invention after the preparation are completed are as follows:
preparing SiO2The method comprises the following steps of (1) taking a proper amount of ginger nut at the location of a reconstructed dry field and preparing ginger nut powder 11250 kg, uniformly mixing small stone stone powder 11250 kg and 3700 kg of silicon ash by using a horizontal roller mixing pulper (namely, the weight part ratio of the silicon ash to the ginger nut powder is 25: 75), and after 15000 kg of farmland reconstruction material is prepared, carrying out the following steps:
the method comprises the following steps: 3000 kg of transmitter water (namely the weight ratio of solid to liquid is 5: 1) is added into the horizontal roller mixing pulping machine filled with 15000 kg of farmland transformation materials, and the stirring and the mixing are continued until the mixture becomes small stone silicon slurry which is thick, uniform and appropriate in fluidity, wherein the total weight of small stone silicon slurry is about 17500 kg.
Step two, small stone silicon slurry is pressure-injected, pressure-injection tubes with four horizontal slurry outlets are inserted into the ginger layer (figure 2), the distance between the slurry outlets of the pressure-injection tubes and the surface of the cultivated land is 800mm, the pressure-injection tubes are arranged in two rows and eight rows, the distance between each row and the corresponding column of the pressure-injection tubes is 0.5m, the slurry inlet of each pressure-injection tube is connected with the discharge box of a pressure-injection machine filled with small stone silicon slurry, the pressure-injection machine is started, the pressure-injection pressure of the pressure-injection machine is adjusted to an appropriate value to start pressure-injection, the operation ending time of the pressure-injection small stone silicon slurry is determined according to the pressure-injection pressure, the grouting time, the grouting amount and the like, and after the first pressure-injection is stopped, small stone silicon slurry in the pressure-injection tubes is emptied. In the process, the powdery farmland transformation material is filled into pores or cracks in the ginger nut layer under the drive of transmitter water, after the grouting operation is stopped, the transmitter water in small stone silicon slurry seeps downwards in a standing state, and finally the (wet) solid farmland transformation material is retained in the pores or cracks in the ginger nut layer, so that a water seepage (or water drenching) channel in the ginger nut layer is blocked, the internal friction force among materials of the ginger nut layer is increased, the improvement of the pressure injection pressure in the implementation of the invention is facilitated, in order to ensure that the transmitter water in small stone silicon slurry seeps out and is subjected to primary condensation after the standing water seepage time exceeds 24 hours, the second pressure injection small stone silicon slurry operation can be carried out, and the aims of layering and sub-pressure injection of small stone silicon slurry are that the following layer and sub-pressure injection obtain better small stone silicon slurry filling effect, and the problem that the following layer and sub-pressure injection of small stone silicon slurry (during the operation of small stone silicon slurry) seeps into the depth direction of the small stone layer is avoided, the consumption of small stone silicon slurry is reduced. After the first pressure injection operation is finished, the pressure injection pipe with four horizontal slurry outlets is lifted upwards, the distance between the slurry outlet (figure 3) of each pressure injection pipe and the surface of the cultivated land is 600mm (namely, the pressure injection pipe is positioned above the ginger stone layer of the pressure injection small stone silicon slurry and below the transition layer), the number and the arrangement of the pressure injection pipes are the same as those in the previous paragraph, each pressure injection pipe is connected with the slurry outlet tank of the pressure injection machine filled with small stone silicon slurry, the pressure injection machine is started, the pressure injection pressure of the pressure injection machine is adjusted to a proper value, the pressure injection is started, and the pressure injection small stone silicon slurry operation is finished according to the pressure injection pressure, the slurry injection time, the slurry injection amount and the like.
Step three: after the injection molding operation is finished, the injection molding pipe is pulled upwards, and small stone silicon slurry in the pores of the small stone stone layer is hardened in a standing state. The hard-set reaction comprises: (a) small stone SiO in silica fume in silica slurry2Initial hard consolidation reaction of the cementing material occurs, (b) water-soluble SiO in the silica fume2Slowly reacting with small stone silicon slurry or calcium carbonate in small stone stone layer to form water-insoluble calcium silicate mineral, (c) small stone silicon slurry and calcium carbonate CaCO in ginger layer3To calcium bicarbonate Ca (HCO)3)2Conversion (pH value of less than 7.0 due to humic acid radical, oxalic acid radical, etc. contained in soil solution from ploughed soil) of water-soluble Ca (HCO)3)2With SiO in silica fume2The calcium silicate minerals are formed by reaction, small stone silicon slurry materials and the ginger nuts are finally consolidated, and after the pressure injection pipe is pulled out, small stone silicon slurry is hardened and solidified for 48 hours in a standing state, and normal farming activities can be carried out on the reformed field.
In the process of the pressure injection operation, small stone silicon slurry is filled in small stone stone layer pores or cracks within the range of 600-800 mm from the ground under the drive of transmitter water, namely in the ginger nut stone layer with the thickness within the range of 200mm below a transition layer between plowed soil and ginger nut stone, finally small stone silicon slurry is left in the pores or cracks of small stone stone layer in the form of hard solid, the hard solid small stone silicon slurry blocks water seepage (or water drenching) channels in the ginger nut stone layer, the compressive strength of the ginger nut layer is increased, the cracking phenomenon of a reconstruction layer caused by farming activities can be avoided (water seepage is avoided), the field areas of the two rows of eight rows (4 square meters) are 148 kg of farmland reconstruction materials. After the above-mentioned process is completed, the grouting pipe is drawn out and displaced, and the above-mentioned process is repeated, and the field is reformed by about 400 square meters, and 14800 kg is consumed, slowly watering the improved dry land, stopping watering when the depth of the surface of the land reaches 100mm, under the climatic condition in early summer, the water surface of 100mm is kept still and naturally evaporated for about 20 days and then falls to the surface of the field (the field with the speed of water evaporation and leakage can meet the requirement of water storage and water retention for rice planting), ground leveling is carried out on the field for implementing the method, a ground leveling watering and transplanting test which meets the rice planting requirement shows that the field for implementing the method can meet the planting growth of the rice field, the field which is not reformed by the method under the same climatic condition is slowly watered until the depth of water on the field surface reaches 100mm, and the water surface is lowered to the field surface after the field is kept still for about 9 hours (caused by water seepage of a ginger nut layer under a plowed soil layer).
According to the invention, ginger nut which can be used as local materials and smoke dust (silicon ash) in the smelting metal silicon industry are used as raw materials, the farmland transformation material prepared by fully utilizing the physicochemical characteristics of the raw materials is pressed and injected into the ginger nut layer after pulping, and the water seepage and water drenching phenomena of the small stone stone layer are obviously reduced or even avoided, so that the aim of improving the soil moisture preservation capability is achieved, the aim of transforming dry farmland (which cannot be cultivated in paddy fields due to water seepage and water leakage of the ginger nut layer) into paddy fields is also achieved, and the positive significance is achieved for increasing the yield and income of the farmland and improving the benefit.

Claims (1)

1. A method for using a material for field improvement, characterized in that:
the method comprises the following steps: small stone silicon slurry is made with transmitter agent water misce bene to material for farmland transformation, and material for farmland transformation is by the powdery farmland transformation material that the mixture of the silica fume that weight parts is 10 ~50 parts and ginger nut stone homogeneity that weight parts is 50 ~ 90 parts was made, and ginger nut's granularity is not more than 0.15mm in material for farmland transformation, and silica fumeHas a particle size of not more than 0.045mm and SiO in silica fume2Not less than 90% by mass;
step two: small stone, layering silicon slurry by pressure injection equipment, and performing pressure injection on the silicon slurry in a layer below a transition layer between the soil and the ginger nut in a graded manner, wherein the thickness of the layer is within the range of 100 mm-500 mm;
firstly, exploring and measuring a dry field to judge a soil layer structure, measuring the thickness of a plowed soil layer and the average thickness of a transition layer between plowed soil and ginger layers, and measuring the distance between the upper surface of the ginger layers and the surface of the plowed land, secondly, measuring the porosity of small stone stone layers by drilling sampling, wherein the porosity is related to the stacking state of small stone stone layers, calculating the using amount of small stone silicon slurry in unit land area according to the porosity, measuring the compression resistance of soil, wherein the mechanical property of the soil is related to the structure of the ginger layers, calculating and determining the compression injection pressures of small stone silicon slurry and small stone silicon slurry and the distance between each row and each row of compression injection pipes according to the mechanical property of the soil, and thirdly, determining the insertion depth of a grouting pipe for primarily compressing small stone silicon slurry according to the measurement data, and ensuring that a grouting outlet is in the ginger layer below the transition layer; then inserting the pressure injection tubes with four horizontal slurry outlets into the ginger nut layer, wherein the pressure injection tubes are arranged in two rows and eight columns, the distances between the rows of the pressure injection tubes and the rows and between the columns are equal, connecting the slurry inlet of each pressure injection tube with the discharge box of the pressure injection machine filled with small stone silicon slurry, starting the pressure injection machine, adjusting the pressure injection pressure of the pressure injection machine to an appropriate value to start pressure injection, determining the end time of the operation of the pressure injection small stone silicon slurry according to the pressure injection pressure, the grouting time and the grouting amount, and emptying small stone silicon slurry in the pressure injection tubes after the first pressure injection is stopped;
in the process, the powdery farmland transformation material is filled into pores or cracks in the ginger nut layer under the drive of transmitter water, after the grouting operation is stopped, the transmitter water in small stone silicon slurry seeps downwards in a standing state, and finally the solid farmland transformation material is retained in the pores or cracks in the ginger nut layer, so that a water seepage or water pouring channel in the ginger nut layer is blocked, the internal friction force among materials in the ginger nut layer is increased, the pressure injection pressure is favorably improved, in order to ensure that the transmitter water in small stone silicon slurry seeps out and is subjected to primary condensation, and after the standing water seepage time exceeds 24 hours, the second pressure injection small stone silicon slurry operation is carried out; after the first pressure injection operation is finished, lifting the pressure injection pipes with four horizontal slurry outlets upwards to enable the slurry outlets of each pressure injection pipe to be positioned above the gravel layer of the pressure injection small stone silicon slurry, and the number and arrangement of the pressure injection pipes are the same as those of the pressure injection at the first time, connecting each pressure injection pipe with a slurry outlet tank of a pressure injection machine filled with small stone silicon slurry, starting the pressure injection machine, adjusting the pressure injection pressure of the pressure injection machine to an appropriate value, starting pressure injection, and finishing the pressure injection small stone silicon slurry operation according to the pressure injection pressure, the slurry injection time and the slurry injection amount;
step three: small stone the silicon slurry is hardened in the ginger nut layer in a standing state, and the hardening time is not less than 24 hours;
after the pressure injection operation is finished, the pressure injection pipe is pulled out upwards, and small stone silicon slurry in the pores of the small stone stone layer is hardened and solidified in a standing state;
the hard-set reaction comprises: (a) small stone SiO in silica fume in silica slurry2Initial hard consolidation reaction of the cementing material occurs, (b) water-soluble SiO in the silica fume2Slowly reacting with small stone silicon slurry or calcium carbonate in small stone stone layer to form water-insoluble calcium silicate mineral, (c) small stone silicon slurry and calcium carbonate CaCO in ginger layer3To calcium bicarbonate Ca (HCO)3)2Converted, water-soluble Ca (HCO)3)2With SiO in silica fume2The reaction forms calcium silicate minerals, eventually consolidating small stone the silicon slurry material and the ginger nut together, and the squeeze tube is pulled out.
CN202010170103.8A 2020-03-12 2020-03-12 Material for farmland transformation and use method Active CN111363552B (en)

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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1209422A (en) * 1997-08-21 1999-03-03 北京市高水矿山工程与材料研究所 Inorganic solidified grouting material
CN100373010C (en) * 2005-03-07 2008-03-05 中国水利水电科学研究院 Canal system earth solidification agent and its production method
CN101538852B (en) * 2009-04-15 2010-11-17 中国十七冶建设有限公司 Compacting grouting and reinforcing technology for floor foundation of fly ash soil layer and backfilled stone layer in smelting workshop
CN102020990B (en) * 2009-09-22 2014-08-06 山东宏艺科技股份有限公司 Novel high-strength waterproof composite solid curing agent
CN103539418A (en) * 2013-11-05 2014-01-29 兰州大学 Novel frit gravel and quartz sand slurry for anchoring soil ruins
CN104556910A (en) * 2015-01-28 2015-04-29 敦煌研究院 Reinforcement material for grouting sandstone grotto rock fracture
CA3077638C (en) * 2017-11-14 2022-11-29 Halliburton Energy Services, Inc. Reduction in bentonite-based grout concentration in grout fluids

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