CN111303892B - Aluminum ash material for farmland transformation and use method thereof - Google Patents
Aluminum ash material for farmland transformation and use method thereof Download PDFInfo
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- CN111303892B CN111303892B CN202010169881.5A CN202010169881A CN111303892B CN 111303892 B CN111303892 B CN 111303892B CN 202010169881 A CN202010169881 A CN 202010169881A CN 111303892 B CN111303892 B CN 111303892B
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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
- C09K17/08—Aluminium compounds, e.g. aluminium hydroxide
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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
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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
- C09K2101/00—Agricultural use
Abstract
The invention provides a farmland transformation material and a method for effectively reducing or avoiding water seepage and leakage of small stone stone layers under ploughed soil and carrying out structure transformation on ginger nut layers, which fully utilize the physicochemical characteristics of raw materials, adopt locally available materials and waste aluminum ash in the metal aluminum industry as the raw materials, and apply the material construction technology to agricultural activities in a targeted manner.
Description
Technical Field
The invention belongs to the technical field of agriculture, and particularly relates to an aluminum ash material for farmland transformation and a using method thereof.
Background
Under the soil layer cultivated in Huanghuai basin of China, most ginger nut layer structures mainly containing calcium carbonate are adopted, the ginger nut layer with strong water permeability can only be used for dry field cultivation, the soil moisture conservation agricultural technology cultivation which is accumulated from ancient times and can avoid the evaporation of water on the surface layer of soil and the leakage of the soil layer still has no economic method for water field cultivation on the fields with the structure, the water field cultivation cannot effectively reduce or avoid the water seepage and leakage phenomena below the plough layer and the ginger nut layer under the limitation of the agricultural cultivation technology, and the drought resistance and other agricultural activities are frequently needed, therefore, the theory and the engineering technology in the material field are applied to the method, if a material which is easy to obtain and low in cost and can be used for carrying out structural transformation on small stone layers is invented, the water seepage phenomena of the ginger nut layers are effectively reduced and even avoided, and the soil moisture conservation and leakage capacities can be improved, but also can overcome the natural defect that the paddy field can not be cultivated due to water seepage and water leakage under the cultivated soil, can achieve the purpose of transforming the dry land into the paddy field, and has positive significance for increasing the yield, income and economic benefit of agriculture.
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 soil moisture conservation and realizing the purpose of transforming the dry land into the paddy field by transforming the water seepage and leakage small stone stone layer structure below the ploughed soil layer.
The technical scheme of the invention is as follows: the aluminum ash material is a powdery aluminum ash material prepared by uniformly mixing 10-50 parts by weight of aluminum ash and 50-90 parts by weight of ginger nut stone.
The granularity of the ginger nut is not more than 0.15mm, and the granularity of aluminum ashNot more than 0.075mm of Al in the aluminum ash2O3The content is not less than 70%.
Provides a method and steps for using the aluminum ash material for farmland transformation:
the method comprises the following steps: uniformly mixing the ginger nut with the granularity of not more than 0.15mm and transmitter water to prepare pure small stone stone slurry;
step two: pure small stone stone slurry is injected below a transition layer between the plowed soil and the ginger nut by an injection device, and the thickness of the pure small stone stone slurry is in a ginger nut layer ranging from 150mm to 250 mm;
step three: the standing and water seepage time of pure small stone stone slurry in the ginger nut layer is not less than 12 hours;
step four: uniformly mixing an aluminum ash material for farmland transformation and transmitter water to prepare aluminum small stone paste;
step five: the aluminum small stone paste is pressed and injected below a transition layer between plowed soil and ginger nut, above the ginger nut layer which is pressed and injected with pure small stone stone paste and in the ginger nut layer with the thickness of 100 mm-400 mm by pressing and injecting equipment;
step six: the aluminum small stone paste is solidified in the layer of ginger nut in a standing state, and the solidification time is not less than 24 hours.
The invention has the beneficial effects that: according to the invention, the ginger nut stone and the waste aluminum ash in the metal aluminum industry which can be obtained locally are used as raw materials, the physicochemical characteristics of the raw materials are successfully applied to farmland transformation activities, the water leakage and water seepage phenomena of the grouted ginger nut layer are remarkably reduced and even avoided, the soil moisture preservation capability of the cultivation soil is improved, the natural defect that paddy fields cannot be cultivated due to water leakage and water seepage under a field cultivation soil layer is overcome, the purpose of paddy field transformation in dry fields is realized, and the ginger nut green soil cultivation soil has the advantages of easiness in obtaining and low cost.
Drawings
Fig. 1 is a schematic view of a soil layer structure of a field to be reformed.
FIG. 2 is a schematic view of the present invention for laminating pure ginger nut slurry onto modified field small stone.
FIG. 3 is a schematic view of laminating aluminum-impregnated small stone slurry onto field nut being reformed according to the present invention
Wherein: 1, ploughing a soil layer; 2, ploughing a transition layer between soil and ginger nut stones; 3 small stone pores in the layers of stone and ginger nut; 4 a layer of ginger nut filled with pure ginger nut slurry; 5 layers of ginger nut filled with aluminum small stone slurry; 6 pressing and injecting the tube.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Fig. 1 to 3 show an aluminum ash material for farmland transformation, which is a powdery aluminum ash material prepared by uniformly mixing 10 to 50 parts by weight of aluminum ash and 50 to 90 parts by weight of ginger nut stone.
The granularity of the ginger nut is not more than 0.15mm, the granularity of the aluminum ash is not more than 0.075mm, and Al in the aluminum ash2O3The content is not less than 70%.
The method for using the aluminum ash material for farmland transformation comprises the following steps:
the method comprises the following steps: uniformly mixing the ginger nut with the granularity of not more than 0.15mm and transmitter water to prepare pure small stone stone slurry;
step two: pure small stone stone slurry is injected below a transition layer between the plowed soil and the ginger nut by an injection device, and the thickness of the pure small stone stone slurry is in a ginger nut layer ranging from 150mm to 250 mm;
step three: the standing and water seepage time of pure small stone stone slurry in the ginger nut layer is not less than 12 hours;
step four: uniformly mixing an aluminum ash material for farmland transformation and transmitter water to prepare aluminum small stone paste;
step five: the aluminum small stone paste is pressed and injected below a transition layer between plowed soil and ginger nut, above the ginger nut layer which is pressed and injected with pure small stone stone paste and in the ginger nut layer with the thickness of 100 mm-400 mm by pressing and injecting equipment;
step six: the aluminum small stone paste is solidified in the layer of ginger nut in a standing state, and the solidification 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 rock layer and the mechanical property 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 are calculated and determined.
The first embodiment is as follows:
before the implementation of the invention, the soil layer structure is firstly detected and measured to judge the soil layer structure (figure 1) on the upland field with the flatness reaching the rice planting requirement, the average thickness of the plowing soil layer is measured to be about 350mm, the distance between the upper surface of the ginger stone layer and the surface of the plowing land is 400 mm-600 mm, the average thickness of the transition layer between the plowing soil layer and the ginger stone layer is 80mm, secondly, the porosity and the soil compression resistance of small stone stone layer are detected by drilling sampling, the porosity is 11.8 percent (the porosity is related to the accumulation state of small stone stone layer, the dosage of aluminum small stone pulp or pure ginger pulp in unit land area is calculated according to the theory of the porosity, the soil mechanical property is related to the structure of the ginger stone layer, according to the soil mechanical property, the pressing and injecting pressure of the pure small stone stone pulp and the aluminum small stone pulp and the distance between each row and each row of pressing and injecting pipes can be estimated and determined according to the theory, the inserting depth of the pressing and injecting pipe of the pressing and injecting the pure small stone pulp, determining the insertion depth of a grouting conduit for grouting aluminum small stone slurry to be 620mm (grouting: a grouting outlet is arranged in a ginger layer below a transition layer), determining the grouting pressure of pure small stone stone slurry to be 20MPa, determining the grouting pressure of aluminum small stone slurry to be 35MPa, and taking Al which has the granularity of not more than 0.075mm and is prepared again2O32500 kg of aluminum ash with the content of not less than 70 percent, and 12000 kg of ginger nut powder with the granularity of not more than 0.15mm is prepared by adopting a proper amount of ginger nut stones at the location of the transformed dry field.
After the preparation is completed, the process and the steps for implementing the invention are as follows:
the method comprises the following steps: 4500 kg (granularity is not more than 0.15 mm) of small stone stone powder and 1500 kg of transmitter water are prepared into a mixture by a vertical cylinder stirring pulping machine, wherein the solid-liquid weight ratio is 3: 1 pure ginger nut stone thick liquid 4500 kg will be established and have the pressure filling pipe of four level grout outlets insert into ginger nut layer (fig. 2), the distance of pressure filling pipe grout outlet apart from arable land surface is 850mm, pressure filling pipe totally two rows ten rows, pressure filling pipe row with arrange, arrange the distance between being listed as equal 0.5m, be connected every pressure filling pipe grout inlet and the pressure filling machine play workbin that is equipped with pure small stone stone thick liquid.
Step two: pressing pure small stone stone slurry into the ginger nut layer, starting the pressing and injecting machine, adjusting the pressing and injecting pressure of the pressing and injecting machine to a proper value to start pressing and injecting, determining the finishing time of pressing and injecting pure ginger nut slurry according to the pressing and injecting pressure, injecting time, injecting amount and the like, after the pressing and injecting operation is stopped, emptying the pure ginger nut slurry in the pressing and injecting pipe, in the process, ginger nut powder is filled into pores or cracks in the ginger nut layer under the drive of transmitter water, after the injecting operation is stopped, the transmitter water in the pure small stone stone slurry seeps downwards in a standing state, finally small stone stone powder remains in a (wet) solid state in the pores or cracks in the ginger nut layer, and the ginger nut powder remaining in the pores or cracks of the small stone stone layer not only blocks water seepage (or leaching) channels in the ginger nut layer, but also increases the internal friction force between materials of the ginger nut layer.
Step three: in order to ensure that transmitter agent water in pure small stone stone slurry seeps sufficiently and the operation of pressing and injecting aluminum small stone slurry is carried out after standing water seepage time exceeds 18 hours, the purpose of pressing and injecting pure small stone stone slurry in the ginger stone layer firstly is to improve the pressing and injecting pressure of aluminum small stone slurry to obtain better filling effect of aluminum small stone slurry and avoid the seepage of aluminum small stone slurry (in the operation of pressing and injecting aluminum small stone slurry) to the depth direction of the small stone layer, thereby saving the aluminum small stone slurry.
Step four: mixing 7500 kg small stone stone powder with particle size not greater than 0.15mm and Al in aluminum ash with particle size not greater than 0.075mm2O32500 kg of aluminum ash (i.e. 75 and 25 parts by weight of ginger nut powder and aluminum ash) with the content of not less than 70 percent is added into an intermittent drum mixer to be uniformly mixed to prepare an aluminum ash material (10000 kg) for farmland transformation, then 3500 kg of transmitter water is added into the drum mixer, and the mixture is continuously stirred and uniformly mixed until the mixture becomes thin and uniform aluminum small stone slurry with proper fluidity and the total weight of 13500 kg.
Step five: the method comprises the steps of vertically lifting a pressure injection pipe with four horizontal slurry outlets, enabling the slurry outlets of each pressure injection pipe to be arranged at a position (shown in figure 3) which is 620mm away from the surface of the cultivated land, then pressure-injecting aluminum small stone slurry (namely the pressure injection pipe is arranged below a transition layer and above a ginger nut layer which is pressure-injected with pure small stone stone slurry), enabling the arrangement of the pressure injection pipes to be the same as that of the pressure injection pipes in the previous arrangement mode, namely, enabling the pressure injection pipes to be arranged in ten rows, enabling the distances between the pressure injection pipe rows and the rows and between the pressure injection pipes to be 0.5m, connecting each pressure injection pipe with a slurry outlet tank of a pressure injection machine filled with aluminum small stone slurry, starting the pressure injection machine, adjusting the pressure injection pressure of the pressure injection machine to be an appropriate value, starting pressure injection, and determining the time for finishing the pressure injection aluminum small stone slurry operation according to the pressure injection, the slurry injection time, the.
Step six: stopping the injection machine, finishing injecting aluminum small stone slurry, pulling out the injection pipe upwards, solidifying aluminum small stone slurry for 36 hours in a standing state, and then enabling the field improved to normally carry out agricultural activities.
During the operation of pressing and injecting the aluminum small stone slurry, the aluminum small stone slurry is filled in pores of small stone layers which are 620 mm-850 mm away from the ground (namely below a transition layer between the plowing soil and the ginger nut and have the thickness of about 230 mm) under the action of transmitter agent water, and finally exists in a solidified state.
In the sixth step and after the sixth step, the aluminum ash in the aluminum small stone slurry is firstly subjected to a gelling reaction, and simultaneously, the water-soluble Al in the aluminum small stone slurry2O3Slowly reacting with calcium carbonate in the ginger nut stone (powder) to generate water-insoluble calcium aluminate, further solidifying and cementing, wherein the solidified aluminum small stone slurry blocks water seepage (or water sprinkling) channels in the ginger nut stone layer, the strength of the ginger nut layer is increased, the phenomenon that the reconstructed ginger nut layer is broken (water leakage phenomenon is avoided) caused by farming activities can be avoided, the two rows of fields with ten rows (about 5 square meters) are large, 96 kilograms of farmland reconstruction aluminum ash material and 44 kilograms of ginger nut powder are used, after the process is completed, a grouting pipe is shifted, the process is repeated, about 500 square meters of a reconstructed field are consumed, 9600 kilograms of farmland reconstruction aluminum ash material and 4400 kilograms of pure small stone stone powder are slowly irrigated to the reconstructed dry field, the depth of water on the field surface reaches 95mm, and the water surface drops to the field surface after standing for about 18 days under the weather condition of a dusky season (grouting, namely, evaporation and leakage meet the water storage requirement of rice planting fields), the same climatic conditions are adopted, the dry land which is not reformed by the invention is slowly irrigated until the depth of water on the surface of the field reaches 80mm, and the water surface falls below the surface of the field after standing for about 18 hours (caused by water seepage and water leakage of small stone stone layers under a plowed soil layer).
The invention adopts the ginger nut stone which can be locally obtained and the waste aluminum ash generated in the production process of the metallic aluminum as raw materials, fully utilizes the physicochemical characteristics of the raw materials and successfully applies the raw materials to farmland transformation activities, and the phenomena of water seepage and water drenching of the grouted ginger nut stone layer are obviously reduced and even avoided, thereby not only achieving the purpose of improving the soil conservation capability, overcoming the natural defect that the paddy field can not be cultivated due to water seepage and water leakage of small stone stone layers under the farmland, realizing the purpose of transforming the dry farmland into the paddy field, having the advantages of easy obtainment of the raw materials and low cost, and having positive significance for increasing the yield and income of the farmland and improving the benefit.
Claims (2)
1. A method for using an aluminum ash material for farmland improvement is characterized by comprising the following steps:
the method comprises the following steps: uniformly mixing the ginger nut with the granularity of not more than 0.15mm and transmitter water to prepare pure small stone stone slurry;
step two: pure small stone stone slurry is injected below a transition layer between the plowed soil and the ginger nut by an injection device, and the thickness of the pure small stone stone slurry is in a ginger nut layer ranging from 150mm to 250 mm;
step three: the standing and water seepage time of pure small stone stone slurry in the ginger nut layer is not less than 12 hours;
step four: the aluminum ash material for farmland transformation is uniformly mixed with transmitter water to prepare aluminum small stone paste, and is a powdery aluminum ash material prepared by uniformly mixing 10-50 parts by weight of aluminum ash and 50-90 parts by weight of ginger nut stone;
step five: the aluminum small stone paste is pressed and injected below a transition layer between plowed soil and ginger nut, above the ginger nut layer which is pressed and injected with pure small stone stone paste and in the ginger nut layer with the thickness of 100 mm-400 mm by pressing and injecting equipment;
step six: the aluminum small stone paste is solidified in the layer of ginger nut in a standing state, and the solidification time is not less than 24 hours.
2. The method of using an aluminum ash material for agricultural field improvement according to claim 1, wherein: the granularity of ginger nut in the aluminum ash material for farmland transformation is not more than 0.15mm, the granularity of aluminum ash is not more than 0.075mm and Al in the aluminum ash2O3The content is not less than 70%.
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| 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 |
| 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 |
| CN103291325B (en) * | 2013-06-25 | 2015-08-19 | 山东科技大学 | The preventing control method of Coal-mining Above Confined-water floor strata gushing water |
| CN103553477B (en) * | 2013-11-05 | 2016-05-11 | 兰州大学 | Imitation frosted glass small stone stone flyash slurries for soil ruins anchoring |
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| CN105155541B (en) * | 2015-08-21 | 2017-03-01 | 中铁城建集团第三工程有限公司 | A kind of dual slurry closure construction method of catch pit |
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| US20200248063A1 (en) * | 2017-11-14 | 2020-08-06 | Halliburton Energy Services, Inc. | Reduction in bentonite-based grout concentration in grout fluids |
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