CN105778925A - Woodland soil ecological restoration material and preparation method thereof - Google Patents
Woodland soil ecological restoration material and preparation method thereof Download PDFInfo
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- CN105778925A CN105778925A CN201610073206.6A CN201610073206A CN105778925A CN 105778925 A CN105778925 A CN 105778925A CN 201610073206 A CN201610073206 A CN 201610073206A CN 105778925 A CN105778925 A CN 105778925A
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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
- C09K17/42—Inorganic compounds mixed with organic active ingredients, e.g. accelerators
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Abstract
The invention discloses a woodland soil ecological restoration material.The woodland soil ecological restoration material is prepared from clay minerals, plant-source materials, mineral slag charge and organic waste materials.A preparation method of the woodland soil ecological restoration material comprises the steps of material preparing, mixing, forming and sintering.The woodland soil restoration material has porosity, the porosity degree can reach 30%-60%, and meanwhile the woodland soil restoration material contains higher organic matter, has good water retention and fertilizer retention functions and plays a very important role in preservation and reproduction of soil microorganisms; organic materials in a complex are changed into semi-carbonized organic materials which are not prone to be decomposed by the soil microorganisms and can be preserved for a long time in soil, and carbon sequestration in the soil is promoted.According to the woodland soil ecological restoration material and the preparation method thereof, the waste materials are tightly combined with soil ecological restoration, and efficient and green utilization of waste resources is achieved; the method is easy to operate, preparation is convenient, the cost is low, and the method is suitable for industrial large-scale production.
Description
Technical field
The present invention relates to a kind of soil remediation material, be specifically related to a kind of timbered soil ecological restoration materials and preparation method thereof.
Background technology
Greatly, hillside fields is many for China southeast, Mountain Area of Southwest hills area proportion, and the gradient is steep, and the potentially danger of Soil erosion is very big, this district's hydrothermal resources relatively horn of plenty, and the climatic characteristic in damp and hot same season provides powerful rainfall erosion driving source to Soil erosion.Meanwhile, the geological disaster such as earthquake, avalanche, landslide, mud-rock flow happens occasionally, and recovers vegetation, prevents erosion, one of the important ecological construction content in the Shi Gai district that improves the ecological environment.
But owing to being subject to Eroded, such forest land revegetation also exists very big difficulty.First, soil erosion causes topsoil organic and a large amount of of cosmid reduce, soil water-reataining fertilizer-keeping hypofunction, secondly, due to coercing of soil environment condition, directly afforesting, it is low to often result in survival rate, and it is poor to grow, and easily causing afforestation every year and loseing the phenomenon of woods, therefore, afforest again after such soil is first carried out a degree of reparation, it is possible to decrease revegetation cost, improve the effect of revegetation.
Restriction due to edaphic condition, under such land occupation condition, it is directly added into organic matter carry out soil improvement and generally require large usage quantity, and organic matter decomposition is very fast, is vulnerable to water and soil erosion, well can not preserve in soil, improve soil organic matter content effect in a short time poor.And adopt the method being directly added into soil clay particle, and improving base exchange capacity and the water conservation fertilizer-preserving ability of soil, be still faced with the risk of erosion, repairing effect is often also poor.
Summary of the invention
It is an object of the invention to overcome the shortcoming of prior art, it is provided that a kind of timbered soil ecological restoration materials, this material can significantly improve the soil of erosive degradation, to prevent erosion, and is conducive to revegetation；
Another object of the present invention is to the preparation method providing timbered soil ecological restoration materials, the method is simple to operate, it is convenient to prepare, cost is low, suitable in industrialization large-scale production.
The purpose of the present invention is achieved through the following technical solutions: a kind of timbered soil ecological restoration materials, and it is made up of the raw material of following weight parts:
Further, described clay mineral is attapulgite clay and one or more the combination in bentonite, montmorillonite, Vermiculitum, perlite, kieselguhr, and described attapulgite clay content is the 20～60% of clay mineral total amount, and fineness is 60～100 orders.
Further, described botanical material is one or more the combination in straw, withered fallen leaf, wood flour or dreg, and fineness is 40～100 orders.
Further, described mineral nitrogen slag charge is one or both combination of cinder or useless brick and tile, and fineness is 40～80 orders.
Further, described organic waste is one or both combination of animal waste or organic sludge.
Further, described breeding waste is one or more the combination in manure of livestock and poultry, urine, sewage, residual feed and bedding and padding.
A kind of preparation method of timbered soil ecological restoration materials, it comprises the following steps:
S1. get the raw materials ready: weigh each raw material by above-mentioned formula proportion, standby；
S2. mixing: clay mineral, botanical material, mineral nitrogen slag charge, organic waste and water mix homogeneously are obtained compound；The consumption of described water is the 25～35% of compound weight；
S3. molding: add mixture in extrusion formation equipment, being squeezed into diameter be 2～4mm, length is the cylindrical particle of 2～10mm；
S4. sintering: the cylindrical particle of molding is sent in sintering furnace and will be sintered, the temperature of described sintering is 430～500 DEG C, sintering time is 20～30min, namely prepares timbered soil ecological restoration materials.
Preferably, described in step S4, the temperature of sintering is 465 DEG C.
The invention have the advantages that
(1) the timbered soil repair materials of the present invention adopts extruded and lower temperature (430～500 DEG C) sintering, soil remediation material clay is made can well to combine with plant organic material, form bigger granule, therefore ASI systematic approach not easily runs off, and has the function of water conservation fertilizer conservation；
(2) the timbered soil repair materials of the present invention has porous, and porosity is up to 30～60%, meanwhile, containing higher organic matter, has good water conservation fertilizer conservation function, and preservation and breeding to soil microorganism have highly important effect；
(3) the timbered soil repair materials of the present invention due to after sintering the organic material in complex become the organic material of half carbonization, therefore, this material is not easily by the microbial decomposition in soil, it is possible to preserves the long period in soil, is conducive to soil carbon sequestration；
(4) garbage (breeding waste, discarded brick and tile etc.) is combined closely by the present invention with soil ecology reparation, reaches the efficient of waste resource and green utilization；
(5) present invention prepare the method for ecological restoration materials have simple to operate, preparation is convenient, cost is low, suitable in industrialization large-scale production.
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be further described, and protection scope of the present invention is not limited to the following stated.
Embodiment 1: a kind of timbered soil ecological restoration materials, it is made up of the raw material of following weight parts:
Described clay mineral is attapulgite clay and bentonite, and attapulgite clay content is the 20% of clay mineral total amount, and fineness is 60 orders；Described botanical material is straw, and fineness is 40 orders；Described mineral nitrogen slag charge is cinder, and fineness is 40 orders；Described organic waste is manure of livestock and poultry.
Embodiment 2: a kind of timbered soil ecological restoration materials, it is made up of the raw material of following weight parts:
Described clay mineral is the mixing of attapulgite clay, bentonite and montmorillonite, and attapulgite clay content is the 60% of clay mineral total amount, and fineness is 100 orders；Described botanical material is withered fallen leaf and wood flour, and weight ratio is 1:2, and fineness is 40～100 orders；Described mineral nitrogen slag charge is cinder and useless brick and tile, and weight ratio is 2:1, and fineness is 40～80 orders；Described organic waste is poultry urine and organic sludge, and weight ratio is 1:1.
Embodiment 3: a kind of timbered soil ecological restoration materials, it is made up of the raw material of following weight parts:
Described clay mineral is the mixing of attapulgite clay, bentonite, montmorillonite, Vermiculitum, and attapulgite clay content is the 30% of clay mineral total amount, and fineness is 70 orders；Described botanical material is straw, withered fallen leaf, wood flour and dreg, and weight ratio is 1:1:1:1, and fineness is 45 orders；Described mineral nitrogen slag charge is useless brick and tile, and fineness is 50 orders；Described organic waste is the combination of livestock and poultry cultivation sewage, residual feed and bedding and padding, and weight ratio is 1:3:3.
Embodiment 4: a kind of timbered soil ecological restoration materials, it is made up of the raw material of following weight parts:
Described clay mineral is attapulgite clay, bentonite, montmorillonite, Vermiculitum, perlitic mixing, and attapulgite clay content is the 40% of clay mineral total amount, and fineness is 70 orders；Described botanical material straw, withered fallen leaf, wood flour and dreg, weight ratio be 3:2:2:3 and, fineness is 50 orders；Described mineral nitrogen slag charge is that cinder gives up, and fineness is 60 orders；Described organic waste is animal dung, urine, sewage and bedding and padding, and weight ratio is 4:5:2:2.
Embodiment 5: a kind of timbered soil ecological restoration materials, it is made up of the raw material of following weight parts:
Described clay mineral is attapulgite clay, bentonite, montmorillonite, Vermiculitum, perlite, diatomaceous mixing, and attapulgite clay content is the 50% of clay mineral total amount, and fineness is 80 orders；Described botanical material is dreg, and fineness is 60 orders；Described mineral nitrogen slag charge is cinder and useless brick and tile, and fineness is 60 orders；Described organic waste is manure of livestock and poultry, urine, sewage, residual feed and bedding and padding, mixes with arbitrary proportion.
Embodiment 6: a kind of timbered soil ecological restoration materials, it is made up of the raw material of following weight parts:
Described clay mineral is attapulgite clay, Vermiculitum, perlitic combination, and attapulgite clay content is the 55% of clay mineral total amount, and fineness is 90 orders；Described botanical material straw, withered fallen leaf and dreg, mix with arbitrary proportion, and fineness is 80 orders；Described mineral nitrogen slag charge is cinder and useless brick and tile, and fineness is 70 orders；Described organic waste is in manure of livestock and poultry, urine, sewage, residual feed, bedding and padding and organic sludge, mixes with arbitrary proportion.
Embodiment 7: the preparation method of a kind of timbered soil ecological restoration materials, it comprises the following steps:
S1. get the raw materials ready: weigh each raw material by above-mentioned formula proportion, standby；
S2. mixing: clay mineral, botanical material, mineral nitrogen slag charge, organic waste and water mix homogeneously are obtained compound；The consumption of described water is the 25% of compound weight；
S3. molding: add mixture in extrusion formation equipment, being squeezed into diameter be 2mm, length is the cylindrical particle of 2mm；
S4. sintering: the cylindrical particle of molding is sent in sintering furnace and will be sintered, the temperature of described sintering is 430 DEG C, sintering time is 20min, namely prepares timbered soil ecological restoration materials.
Embodiment 8: the preparation method of a kind of timbered soil ecological restoration materials, it comprises the following steps:
S1. get the raw materials ready: weigh each raw material by above-mentioned formula proportion, standby；
S2. mixing: clay mineral, botanical material, mineral nitrogen slag charge, organic waste and water mix homogeneously are obtained compound；The consumption of described water is the 35% of compound weight；
S3. molding: add mixture in extrusion formation equipment, being squeezed into diameter be 4mm, length is the cylindrical particle of 10mm；
S4. sintering: the cylindrical particle of molding is sent in sintering furnace and will be sintered, the temperature of described sintering is 500 DEG C, sintering time is 30min, namely prepares timbered soil ecological restoration materials.
Embodiment 9: the preparation method of a kind of timbered soil ecological restoration materials, it comprises the following steps:
S1. get the raw materials ready: weigh each raw material by above-mentioned formula proportion, standby；
S2. mixing: clay mineral, botanical material, mineral nitrogen slag charge, organic waste and water mix homogeneously are obtained compound；The consumption of described water is the 30% of compound weight；
S3. molding: add mixture in extrusion formation equipment, being squeezed into diameter be 3mm, length is the cylindrical particle of 6mm；
S4. sintering: the cylindrical particle of molding is sent in sintering furnace and will be sintered, the temperature of described sintering is 465 DEG C, sintering time is 25min, namely prepares timbered soil ecological restoration materials.
Below by way of description of test beneficial effects of the present invention:
1. experimental field: ground, Ming River Berlin, Li County, Sichuan, the sample plot gradient 32 °；
2. soil regime: investigate from July, 2012, by earthquake effect, 5 clay contents by the serious standing forest topsoil (0～20cm) of earthquake effect on average have dropped 54.4%, and the soil weight raises 20.3%, and total porosity reduces by 13.6%.Cation exchange capacity (CEC) (CEC) meansigma methods by earthquake effect soil is 3.72cmol kg-1, it is the 1/4～1/5 of comparison soil, soil fertilizer ability is very low.
3. test method: test group: use ecological restoration materials 150kg of the present invention for every mu in 0-20cm topsoil, sampling survey after 1 year, measuring the organic matter in soil, full nitrogen, quick-acting potassium content and cation exchange capacity (CEC), with the soil that do not process for matched group, result of the test is as shown in table 1.
Table 1: soil fertility test result
| Process | Organic (%) | Full nitrogen (g/kg) | Available potassium (mg/kg) | Cation exchange capacity (CEC) (mg/kg) |
| Test group | 0.33 | 0.23 | 24.2 | 4.33 |
| Matched group | 0.21 | 0.19 | 17.5 | 3.54 |
As shown in Table 1: after adding the repair materials of the present invention, soil organic matter content, full N and active potassic have been respectively increased 57.1%, 21.1% and 38.2%, and Cation Exchange Capacity in Soils too increases 22.3%, soil fertilizer ability increases.
Claims (8)
1. a timbered soil ecological restoration materials, it is characterised in that it is made up of the raw material of following weight parts:
Clay mineral: 40～60；Botanical material: 20～40；
Mineral nitrogen slag charge: 1～20；Organic waste: 1～20.
2. a kind of timbered soil ecological restoration materials as claimed in claim 1, it is characterized in that, described clay mineral is attapulgite clay and one or more the combination in bentonite, montmorillonite, Vermiculitum, perlite, kieselguhr, described attapulgite clay content is the 20～60% of clay mineral total amount, and fineness is 60～100 orders.
3. a kind of timbered soil ecological restoration materials as claimed in claim 1, it is characterised in that described botanical material is one or more the combination in straw, withered fallen leaf, wood flour or dreg, and fineness is 40～100 orders.
4. a kind of timbered soil ecological restoration materials as claimed in claim 1, it is characterised in that described mineral nitrogen slag charge is one or both combination of cinder or useless brick and tile, and fineness is 40～80 orders.
5. a kind of timbered soil ecological restoration materials as claimed in claim 1, it is characterised in that described organic waste is one or both combination of animal waste or organic sludge.
6. a kind of timbered soil ecological restoration materials as claimed in claim 5, it is characterised in that described breeding waste is one or more the combination in manure of livestock and poultry, urine, sewage, residual feed and bedding and padding.
7. the preparation method of a kind of timbered soil ecological restoration materials as according to any one of claim 1-6, it is characterised in that it comprises the following steps:
S1. get the raw materials ready: weigh each raw material by above-mentioned formula proportion, standby；
S2. mixing: clay mineral, botanical material, mineral nitrogen slag charge, organic waste and water mix homogeneously are obtained compound；The consumption of described water is the 25～35% of compound weight；
S3. molding: add mixture in extrusion formation equipment, being squeezed into diameter be 2～4mm, length is the cylindrical particle of 2～10mm；
S4. sintering: the cylindrical particle of molding is sent in sintering furnace and will be sintered, the temperature of described sintering is 430～500 DEG C, sintering time is 20～30min, namely prepares timbered soil ecological restoration materials.
8. the preparation method of a kind of timbered soil ecological restoration materials as claimed in claim 7, it is characterised in that described in step S4, the temperature of sintering is 465 DEG C.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106367071A (en) * | 2016-08-05 | 2017-02-01 | 轩重建筑节能科技（上海）有限公司 | Environment-friendly soil amendment for Loess Plateau and preparation method thereof |
| CN108811930A (en) * | 2018-05-21 | 2018-11-16 | 合肥云都棉花有限公司 | A kind of degradable pot for growing seedlings prepared using old and useless newspaper |
| CN110153168A (en) * | 2018-03-05 | 2019-08-23 | 苏州睿烁环境科技有限公司 | A kind of renovation agent of heavy-metal contaminated soil and preparation method thereof |
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| CN104845640A (en) * | 2015-05-12 | 2015-08-19 | 西北师范大学 | Clay-base sand stabilizing material with water-saving temperature-regulating sand stabilizing function |
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| CN102174329A (en) * | 2011-02-01 | 2011-09-07 | 甘肃源岗农林开发有限公司 | Gel material for desert planting and preparation method and using method thereof |
| CN102127454A (en) * | 2011-04-01 | 2011-07-20 | 刘京花 | Soil acidification modifier and preparation method thereof |
| CN104072228A (en) * | 2014-05-30 | 2014-10-01 | 明光和中工业工程安装有限公司 | Organic-inorganic compound fertilizer for landscape greening plants and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106367071A (en) * | 2016-08-05 | 2017-02-01 | 轩重建筑节能科技（上海）有限公司 | Environment-friendly soil amendment for Loess Plateau and preparation method thereof |
| CN110153168A (en) * | 2018-03-05 | 2019-08-23 | 苏州睿烁环境科技有限公司 | A kind of renovation agent of heavy-metal contaminated soil and preparation method thereof |
| CN108811930A (en) * | 2018-05-21 | 2018-11-16 | 合肥云都棉花有限公司 | A kind of degradable pot for growing seedlings prepared using old and useless newspaper |
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| CN105778925B (en) | 2017-08-11 |
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