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382 results about "Soil resources" patented technology

Simulation regulation and control system and method of percolation performance of aeration zone of river or lake

InactiveCN102359084AAccurate control of percolation performanceImprove simulation accuracyHydraulic modelsPeristaltic pumpEngineering
The invention discloses a simulation regulation and control system and method of the percolation performance of an aeration zone of a river or a lake and relates to the technical field of research on water and soil resources and environmental engineering. The system comprises a seepage control device, an aeration zone simulation device, an underground water level regulation and control device anda data monitoring system, wherein the seepage control device comprises a seepage control column and a regulation column; the upper layer of the regulation column is connected with the seepage controlcolumn through a flange plate, and the lower layer of the regulation column is connected with the aeration zone simulation device through a water supply pipeline and a peristaltic pump; the aeration zone simulation device comprises a plurality of soil columns connected in series, and the underground water level regulation and control device comprises an underground water supply Markov bottle and an underground water balancing device which are connected through an underground water supplementing pipeline, and the underground water balancing device is connected with the aeration zone simulationdevice through the underground water supplementing pipeline. By adopting the system and the method, the hierarchical accurate simulation of a layered soil structure is realized, the accurate monitoring of the percolation performance of the aeration zone of the river or the lake is realized, and the simulation precision of the different types of layered soil is greatly improved.
Owner:CHINA AGRI UNIV

Optimization method of simultaneous harvest and reclamation opportunity based on mining subsidence simulation and second ploughing rate

The invention discloses an optimization method of simultaneous harvest and reclamation opportunity of single coal layer based on mining subsidence simulation and second ploughing rate, relates to dynamic mining subsidence prediction and GIS (Geographic Information System) analysis processing, and belongs to the field of mining technology, land utilization and land rehabilitation, and the method is used for solving the problem of unstable mining subsidence land reclamation and realizing the simultaneous harvest and reclamation of underground coal mine regions. The method comprises the steps of: considering the subsidence visual simulation of landform before mining, the ground subsidence scene simulation of time domain and the optimization of the simultaneous harvest and reclamation opportunity based on the second ploughing rate on the basis of onsite file collection and analysis and based on a probability integral method and a mining subsidence predict of Knothe time function. The method disclosed by the invention performs dynamic scene simulation and reclamation opportunity optimization on the subsidence to determine the optimal reclamation opportunity under special mining conditions and natural conditions, thereby rescuing the precious surface soil resources of plain mining areas to the uttermost and planning, protecting and treating the lands to be suffered from subsidence damage in advance, so as to improve the reclamation rate, reduce the reclamation cost, promote the sustainable utilization and sustainable development of mining area land resources, and guarantee the coordination and synchronous development of coal resource mining and cultivated land protection.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Method for producing ecological environment-friendly nutrition soil by using lake sludge

The invention discloses a method for producing ecological environment-friendly nutrition soil by using lake sludge. The key point of the technical scheme is that the method comprises the following steps of: adding materials into a double-shaft mixer and stirring, after uniformly stirring, conveying to a roller machine, extruding into irregular particles, killing bacteria and insects, and drying to obtain an ecological environment-friendly nutrition soil finished product. The method has the characteristics of simplicity, high production efficiency and low cost; the lake sludge with high water content is not needed to be dehydrated; and the ecological environment-friendly nutrition soil of various formulas can be processed in the dredging fields of ports, channels, lakes and rivers, and a large amount of soil resources are saved. The ecological environment-friendly nutrition soil is complete in nutrition component, high in fertilizer efficiency, durable in water retention capacity, and is non-toxic, innocent and odourless, and can provide nutrient elements which are required by growth of plant, and reduce the damage of pathogenic bacteria and pests to plant. The method is suitable for producing the ecological environment-friendly nutrition soil of various formulas by using lake sludge as a main raw material.
Owner:江苏农盛废弃物循环再利用有限公司 +1

Cultivation method for interplanting Polyporuses and Gastrodia elata BIs

The invention discloses a cultivation method for interplanting Polyporuses and Gastrodia elata BIs, which comprises the following technologies: cultivating halimasch, producing seeds of Gastrodia elata BIs, sowing Polyporuses seeds, choosing farmlands as ponds, seeding, and methods for managing and harvesting the Polyporuses and the Gastrodia elata BIs. The cultivation method disclosed by the invention has the benefits that farmlands for growing crops is not occupied, dry branches and fallen leaves among various shrub woods, idle lands under forests, halimasch resources and soil resources arefully used, the labor efforts are saved, and the ecological, economic and social benefits are significant.
Owner:BEIJING UNIV OF CHINESE MEDICINE +2

Treatment and Utilization of Silty Coastal Salt Soil

The invention relates a treatment and utilization technology of saline soil resources, in particular to a treatment and utilization method of muddy seashore saline soil. The method comprises the following steps of: establishing a water supply system consisting of a fresh water well, a water pump and a water supply pipe; excavating a salt leaching drainage ditch so as to establish a drainage salt leaching system; applying a cow dung and crop stalk fertilizer and a phosphogypsum soil and fertility improving fertilizer; with a small raised field as unit, irrigating fresh water to wash and leach salt; and planting and maintaining vegetation through cultivating the land by machine, sunning the upturned soil, planting the vegetation and irrigating the vegetation, wherein a planting technology with gradient increasing salt tolerance is adopted in planting the vegetation. According to the invention, for the salinity and structural characteristics of the muddy seashore saline soil, the muddy seashore strongly salined soil in the coastal zone is treated and utilized in combination with engineering measures, physical measures and chemical measures on the basis of salt tolerant plant appraisal; and The treatment and utilization method of the muddy seashore saline soil provided by the invention has the advantages of simplicity in operation, resource conservation, soil treatment and utilization cost of less than 166.21 yuan / m2 and plant survival rate of more than 90%.
Owner:COASTAL AGRI RES INST HEBEI ACAD OF AGRI & FORESTRY SCI

Comprehensive improvement for salt farm field soil and vegetative cover

The invention is concerned with complex improvement method for farm soil and vegetation to salina. It carries the improvement about the soil with 0.4 m thickness, relating to cutting piece, digging main pouring blind drain and branch pouring blind drain channel, making small square farmland filled with clear arsenolite, backfill soil and return to even, beat sand hole, making fall of slope, wash salt and eject salt, fertilization and tillage deeply. The improvement soil is fit for all kinds of crop, greensward and perennial flowers, and forms the soil for foodstuff crop, plant with shallow root and flowers. Its investment is low and the amount of a unit of area is at least 5000, and the improvement fee reduces greatly and it adds the plant area of farm and enhances the output of foodstuff and vegetable. It protects the soil resource to add the area of foodstuff planting, and it is an economic, extensive, simple and indirect technology for agricultural salina.
Owner:刘洪敏

Ecological three-dimensional planting system for tea trees

The invention discloses an ecological three-dimensional planting system for tea trees, wherein tea trees are planted in a tea garden. The ecological three-dimensional planting system for tea trees is characterized in that: tea trees on a planting furrow surface are planted in a single row, the row spaces of the tea trees are 0.9-1.1 m, the plant spaces of the tea trees in each row are 0.6-0.8 m, and the quantity of tea tree seedlings per mu is 900-1100. The sparse-planting ecological three-dimensional planting system used by the applicant can also achieve a purpose of increasing the income of tea garden in the aspects of improvement and increase for the quality and unit price of tea leaves, cultivation for poultry, decrease for the labour cost of tea garden etc. Moreover, the ecological three-dimensional planting system for tea trees reduces the abuse of fertilizer and pesticide, as well as can ensure the water and soil resources of tea garden not to be overused and keep the longer development of tea garden.
Owner:贵州都云毛尖茶叶有限公司

Ecological recovery technique for bamboo splits grid

The invention relates to an ecological restoration technique for rock or earth-rock side slopes of highways by using bamboo split fences. The technique comprises a bamboo split fence protection technique and a surface soil backfilling technique, wherein the bamboo split fence technique is to form V-shaped plaint grooves on slope surfaces every 100 centimeters along a horizontal direction with bamboo split sheets and fixed piles and to set No. 12 chain link mesh every 200 meters along a longitudinal direction to for an integral protection system and accordingly realize ecological slope protection. The surface soil backfilling and fixing technique which belongs to a soil dressing technique is to uniformly mixe waste surface soil resource with local straw, rice hulls, slow-release fertilizers, and other support materials and backfill the mixture. With the combination of the two techniques, the bamboo split fence, as time goes on, will form an organic integral with the surface soil filled back and become an organic fertilizer after thousands of years. The surface soil filled back can provide various original ecological communities of animals, plants, microorganisms, etc. to restore the ecology of the slopes. The planted original soil and wild plants speed the succession process of vegetation.
Owner:云南恒达生态环境建设有限公司 +2

Eluate for compost of domestic waste of city, preprtion method and application

This invention relates to a method for manufacturing washing solution from domestic waste compost. The method comprises: (1) pulverizing domestic waste compost, sieving with a 2 mm sieve, and collecting the powder; (2) mixing with water at a wt. ratio of 1 :( 1-3), stirring, soaking at room temperature for 24-48 h, and filtering to obtain the final product. The washing solution can be used as the nutrition solution for sod soilless culture. The method can reduce the pollution caused by heavy metals in domestic waste compost, and lower the cost of sod soilless culture.
Owner:TIANJIN NORMAL UNIVERSITY

Integral sludge solidification ship

The invention discloses an integral sludge solidification ship which comprises a ship body, walking devices, a stirring device, a solidification agent conveying device and a power system, wherein the walking devices are symmetrically arranged on both sides of the ship body, and each walking device comprises an impeller, a middle shaft connected with the impeller, and an impeller driving device connected with the middle shaft; an installation frame is arranged on the ship body; the stirring device is arranged on the installation frame; and the solidification agent conveying device is matched with the stirring device. The functions of walking on sludge, stirring and solidification are integrated by the integral sludge solidification ship; on one hand, sludge at the bottom of a pond can be solidified, so as to achieve the effect of cleaning a river channel; on the other hand, by aiming at a place where the sludge is stacked, the sludge can be solidified, so that the sludge is changed from the liquid state to the solid state, and a good engineering characteristic is achieved; the solidified sludge can be used as filled soil for earthworks such as roads, dykes, foundation filling and the like; and the problem of land occupation of the sludge is solved, and additionally, soil resources which can be recycled are generated.
Owner:武汉恒威宸装备制造有限公司

Compound bricks of phosphogypsum, and producing method

This invention discloses a method for producing phosphogypsum composite bricks, which are produced from: steam-cured phosphogypsum 30-55 parts, gel material 10-30 parts, curing agent 5-15 parts, aggregrate 5-37 parts, and reinforcer 1-5 parts. The method comprises: (1) steam-curing phosphogypsum, mixing and strring with the other raw materials; (2) adding water so that the water content is 12-20%; (3) molding under 10-80 MPa; (4) steam-curing at high temperatures and high pressure for 5-24 h. The composite bricks have such advantages as high flexural strength, high compressive strength and good freeze resistance, thus can be used on main walls. The method efficiently and largely consumes phosphogypsum, thus saving soil resources and preventing environmental pollution by phosphogypsum piling. Besides, the method has high profit, and is environmentally friendly.
Owner:HUAZHONG UNIV OF SCI & TECH

Hole-tray sticking culture method of tea-tree seedlings

The invention relates to a hole-tray sticking culture method of tea-tree seedlings, which can shorten the deliver time of tea seedlings and has high transplantation rate of the tea seedlings with a substrate. In the invention, a 50-hole forest hole tray or a 32- hole forest hole tray is adopted, and the substrate comprises 60-75 percent of peat, 23-38 percent of vermiculite and 2 percent of diammonium phosphate. The method comprises the following steps of: adopting new-grown semi-lignified twigs as cuttings; conventionally sticking the cuttings; sticking 1-2 cuttings in each hole; culturing at controlled temperature and controlled moisture; and when the seedlings are higher than 5cm, hardening the seedlings for 1 month according to practical weather conditions until the seedlings are higher than 80cm, the ground diameter is larger than 2cm, the number of primary side roots is more than 10, and the root volume is larger than 3cm<3>. The method has short seedling period, not only reduces the consumption of soil resource but also avoids the propagation danger of soil-borne pathogens by the seedlings because of adopting soilless culture, and has high tea seedlings yield rate.
Owner:无锡市茶叶品种研究所有限公司

Soil sampler for sampling deep soil

InactiveCN103063470AMeet sampling requirementsGuaranteed to workWithdrawing sample devicesReducerEngineering
The present invention relates to a soil sampler for soil sampling, and in particular relates to a soil sampler capable of sampling deep soil. The soil sampler comprises a base box, a hollow drill bit, and a sampling tube; wherein a reducer is arranged inside the base box, the power shaft of the reducer is connected to a pedal pressure lever, the power output shaft of the reducer is in toothed connection with a spiral drill, the sampling tube is disposed inside the spiral drill, and the top of the spiral drill is in connection with the hollow drill bit. According to the present invention, based on the traditional soil sampler, by using screw and lever principles and separate design, the soil sampler both meets the needs of deep soil sampling, and is labor-saving and high efficient; and the pedal type deep soil sample is advantageous by being simple in structure, easy to assembly, convenient to use, and efficient in operation, having very important significance to the study of soil resource.
Owner:SHANXI AGRI UNIV

Saline land improvement method appropriate for arid and semi-arid region

The invention provides a saline land improvement method appropriate for an arid and semi-arid region. The technical steps of surface soil stripping, bottom layer rolling compaction, claypan pavement and filling, high density polyethylene (HDPE) film coverage, organic mixed material pavement and filling, salt elimination blind pipe distribution, surface soil refilling, plant planting and the like are adopted for improvement; the method has the advantages that salt and alkali ion isolation, guide and discharge effects are good, organic matters are fully utilized for improving the soil quality and reducing salt and alkali ions, the resource utilization degree of wastes is high, the principal and secondary problems are both treated, the flow is simple, the cost is low, the in-situ remediation is realized, the surface soil resources are saved and the like; the method has wide application precepts and promotional value in the fields of environment protection, ecological remediation, park and garden construction and agricultural production, and excellent economic benefits, social benefits and ecological benefits can be created.
Owner:SHENZHEN WANXINDA ECOLOGICAL ENVIRONMENT CO LTD

Cultivating method for lucid ganoderma

ActiveCN103283485AIncrease productionGood medicinal valueHorticultureHyphaHyphomycetes
The invention belongs to cultivation of plants for health-protective medicine, and particularly relates to a cultivating method for lucid ganoderma. The cultivating method for the lucid ganoderma includes selecting strains, preparing planting materials of the lucid ganoderma, cultivating mycelium and planting the lucid ganoderma. Matrixes are extracted from wild lucid ganoderma and then are domesticated into lucid ganoderma strains capable of being planted in a large scale, and the lucid ganoderma, called as 'Huoshan lucid ganoderma', can be obtained through cultivation of the lucid ganoderma strains. Through cultivation based on local special environment and soil resources, the Huoshan lucid ganoderma has better output and yields.
Owner:安徽衡济堂药业有限公司

Mushroom casing soil using grain stillage biogas residues as raw material and preparation method thereof

The invention relates to a mushroom cover material prepared by using vinasse biogas residues as materials and a preparation method. Thanks to an organic combination of the biogas residues and common soil material, the common soil particle generates more millipores, the permeability, the hydroscopic property, the moisture retention, the organic matter and other nutrient substance are greatly improved, the mushroom culture yield is steadily increased, and synchronously the reuse of the biogas residues is realized and the original turfy soil resources are protected; the preparation method for the mushroom cover material is especially suitable for preparing mushroom cover material with the biogas residues which is the production of a distillery, an alcohol distillery and a large-scale biogas project using vinasse as materials.
Owner:孙效峰

Cyanide contaminated soil restoring method

The invention discloses a cyanide contaminated soil restoring method. The method is used for processing heavily-contaminated soil with cyanide as the specific pollutant, and meanwhile the contaminated soil contains copper and other heavy metal. In the method, the heavy metal cyano complex, thiocyanate and other reducing substances in the soil are broken through the oxidizability of ozone and hydrogen peroxide. The pH value of the soil can be restored through a pH value restoring agent, finally restoration is conducted through the hydrogen peroxide, and a reaction system tends to be stable while the pollutant is processed; through the restoration of the method, a good restoration effect is achieved for copper and other heavy metal. The soil reaches the B-level standard in Standard of Soil Quality Assessment for Exhibition Sites after being restored and can be used as a class-II soil resource. The method is good in restoration effect of the cyanide heavily-contaminated soil, adopts environment-friendly agents so that no secondary pollution can be caused to the soil, is low in restoration cost, short in restoration cycle and suitable for application and popularization, and has certain environment benefits.
Owner:CHANGCHUN GOLD RES INST

Planting method based on total returning of corn straws to field

ActiveCN106508339AAchieve production increaseSolve the technical problems of returning to the field in fullFertilising methodsPlant cultivationEcological environmentPotassium
The invention relates to a planting method based on total returning of corn straws to a field. The planting method provided by the invention can effectively solve the problem of serious waste of straw resources, and completely eradicates the problems like air pollution, soil surface coking and traffic jam caused by straw burning and random disposal. Meanwhile, through implementation of the method provided by the invention, nutrient elements like nitrogen, phosphorus and potassium in soil are supplemented; soil organic matters are increased; soil fertility is improved; the phenomenon of soil pollution caused by large quantity application of a chemical fertilizer is reduced; the agricultural ecological environment is improved; the sustainable utilization of black soil resources is promoted; and the rapid development of agricultural modernization is pushed.
Owner:JILIN ACAD OF AGRI SCI

Transverse-furrow and sequential-ridge mellow soil anti-erosion farming method of purple soil slope farmland

The invention discloses a transverse-furrow and sequential-ridge mellow soil anti-corrosion farming method of a purple soil slope farmland and particularly relates to the field of a soil erosion management technique of the purple soil slope farmland. In the method disclosed by the invention, a transverse furrow is excavated along the contour line on the purple soil slope farmland at the slope length interval which is less than the rill erosion generation critical length of the modified slope surface; the cross section of the transverse furrow is in an arc shape; the formed transverse furrow divides the whole slope farmland plot into multiple small farming units in the transverse slope direction; the two ends of the transverse furrow are connected with the original drainage furrows at the two ends of the slope farmland plot; and the integral farming terrain conditions with alternate furrows and ridges are formed by adopting a sequential-slope ridging farming mode, i.e. alternately farming and ridging in the sequential slop direction and reverse slop direction. The method disclosed by the invention can reduce the water and soil loss and prevent and control the soil erosion of the slope farmland, is beneficial to the enhancement of the water content in the soil of the farmland plot in the descending direction of the transverse furrow, improves the drought resistance of crops, maintains the agricultural productivity of the slope farmland and realizes the sustainable utilization of slope farmland water and soil resources.
Owner:INST OF MOUNTAIN HAZARDS & ENVIRONMENT CHINESE ACADEMY OF SCI

Tobacco pollen lyophilization and low-temperature mid-long-term preservation method

The invention provides a tobacco pollen lyophilization and low-temperature mid-long-term preservation method. The tobacco pollen preservation method comprises the specific steps that: fresh pollen is placed into a pollen storage container; the container is covered and is placed in a cold trap of a lyophilization machine; the pollen is pre-frozen for 2-4h under a temperature of -45 DEG C to -50 DEG C; the pollen is fetched and is paved on a drying plate or a material box of the lyophilization machine; the pollen is lyophilized for 8-12h in the lyophilization machine under a temperature of -40 DEG C to -50 DEG C; the pollen is sealed in a pollen storage bottle or pollen storage bag; the pollen is placed in a freezer under a temperature of -4 DEG C to -18 DEG C, and can be preserved for a long time in low temperature till a pollination period; the pollen is fetched, the sealing is removed, and pollen activity is recovered under room temperature. With the method provided by the invention, a problem of flowering period missing during a tobacco hybrid seed production process is solved. The male parent is planted in advance, and the plantation of female parent is arranged according to the male parent collection amount. Therefore, blind plantation of parents and soil resource waste are reduced, pollination rate is greatly improved, and cost is greatly reduced.
Owner:TOBACCO RES INST OF HUBEI PROVINCE

Soil quality evaluation method and system

The invention relates to a soil quality evaluation method, comprising the following steps: A, obtaining the attribute data of a soil sample from a soil resource database; B, excavating the attribute data of the soil sample to generate a plurality of relative rules; and C, inputting the attribute data of the soil sample to be evaluated, calculating the matching degree of the attribute data with each relative rule, finding out the most matching relative rule and evaluating the soil sample as a soil grade which corresponds to the most matching relative rule. The invention also provides an evaluation system of the soil quality and enhances the interpretability expressed by soil evaluation knowledge and the soil evaluation effectiveness.
Owner:杨敬锋

Raw soil building material modification method and method for preparation of building block by use of modified raw soil

The invention discloses a raw soil building material modification method, belongs to the technical field of building materials, solves the technical problem that traditional raw soil building materials have low strength, high brittleness, poor resistance to water, and the like, first the performance of a raw soil material is improved by a chemical modification agent, a modified raw soil building block is prepared by physical pressure moulding technology, the performance of the raw soil material is improved significantly, especially aiming at vast raw soil resources in urgent need of development and utilization in Northern Shaanxi area, the method can largely use local raw soil materials, is convenient in material taking, economical and practical, strong in integrity, excellent in thermal processing property, simple in operation, easy in implementation and popularization, and to be more important, in line with the requirements of green building, and broad in application prospect.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Rice seedling matrix and preparation method thereof

The invention relates to the technical field of seedling matrixes of crops and particularly relates to a rice seedling matrix and a preparation method thereof. The rice seedling matrix with good permeability and high fertility is particularly prepared from the main raw materials of crop straws, cow mature, rice husk, seed cakes, microbial zymophyte and the like through steps of material preparation, soaking, straw piling, straw composting, matrix preparation and the like. The rice seedling matrix comprises the following main raw materials in percentage by weight: 35%-45% of the crop straws, 27%-34% of the rice husk, 16%-24% of the cow mature and 7%-15% of seed cakes, wherein 1kg of the microbial zymophyte is used in each 5-6 cubic meters of the crop straws. According to the preparation method, the soil-free matrix production is realized, the utilization of non-renewable resources is reduced, the damage caused to farmland soil resources is reduced, the environment is protected, the factory seedling is realized, the cost is lowered, the plant diseases and the insect pests are reduced, the content of soil organic matters is increased, and the yield and the milled rice rate can be increased.
Owner:ANHUI PROVINCE LVFU AGRI TECH CO LTD

Planting method of relieving continuous cropping obstacles and controlling pest and disease damage through intercropping of different hot pepper species

ActiveCN103688709AAlleviate continuous cropping obstaclesRealize continuous planting all year roundHorticultureDiseaseContinuous cropping
The invention discloses a planting method of relieving continuous cropping obstacles and controlling pest and disease damage through intercropping of different hot pepper species, and belongs to the technical field of agricultural planting. According to the method, the intercropping of hot pepper with different growth height, disease resistance and pest resistance is carried out; the selected pepper species have the growth height differences, and the sequential cyclic intercropping is carried out according to the growth heights of the hot pepper; the ridge width of a land piece is 170cm, the furrow width is 30cm, and the depth is 25cm; six lines are arranged in each ridge, the line distance is 34cm, and the hole distance is 25 to 30cm; different species of hot pepper are intercropped on each ridge. The planting method has the advantages that the yield and the quality of the hot pepper are improved. The continuous cropping obstacles of the hot pepper can be effectively relieved through the intercropping culture of the hot pepper with different species, the continuous planting of the hot pepper throughout the year can be realized, the soil utilization rate is improved, and soil resources are saved. Meanwhile, the prevention and treatment effect of hot pepper epidemic diseases reaches 76 to 89 percent, the prevention and treatment effect on hot pepper helicoverpa assulta reaches 73 to 91 percent, the production quality safety of the hot pepper and the agricultural ecological environment safety are ensured, and the goals of efficiency increase, yield improvement and income increase are reached.
Owner:SOUTH CHINA AGRI UNIV

Method for purifying surface of tailings reservoir and ecologically restoring linear stonecrop herb

The invention relates to a method for purifying the surface of a tailings reservoir and ecologically restoring linear stonecrop herb. The method comprises the following steps of: a, purifying the superficial layer of tailings; b, covering clay; and c, afforesting vegetation. The method has the advantages of pollution abatement and ecological restoration; compared with a filling method and a solidifying method, the method saves abatement cost when used in the tailings reservoir; compared with a reclaimation method, the method saves a great number of soil resources on the basis of saving cost; compared with the common tailings reservoir, the method solves the problems of environmental pollution caused by dust because tailings are exposed in the common tailings reservoir; and the method has the advantages of convenient technology implementation, low cost, contribution to ecological balance and sustainable development of the society, and capability of achieving good economic benefit and environmental benefit.
Owner:WUHAN LITI GREENING ENG

Method of soil reclamation project topsoil stripping

The invention discloses a method of soil reclamation project topsoil stripping. The method includes the steps that a field with to-be-stripped topsoil is divided into a plurality of areas, topsoil of the first area is stripped, stored and stacked on a topsoil stacking place outside the field, storage, maintenance and management are carried out, soil leveling is carried out on the first area without the topsoil, designed elevation is achieved after leveling, the topsoil of a second area is stripped to the first area after being leveled, soil leveling is carried out on the second area without the topsoil, the designed elevation is achieved after leveling, the topsoil of a third area is stripped to the second area after being leveled, soil leveling is carried out on the third area without the topsoil, the designed elevation is achieved after leveling, finally the stripped topsoil of the first area is filled back into a last area after being leveled, and the designed elevation is achieved. Accordingly, soil resources are effectively protected, construction is convenient, and efficiency is improved.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Method for recovery of vegetation in garbage landfill field by using municipal sludge modified covering soil

Disclosed is a method for vegetation recovery in garbage burying field using covering soil modified from urban sludge, comprising following steps: using the sludge of urban sewage factory as covering soil modifier for garbage burying field, adding amendment into the sludge, and mixing them uniformly with the covering soil to produce modified covering soil; covering the modified covering soil onto the surface of the covering soil in garbage burying field, smoothing without compaction, planting resistant plants adaptive to the garbage burying field environment. The method disclosed can accelerating vegetation recovery in garbage burying field obviously, and shorten vegetation recovery course; solve the problem of large area of dilapidated ground in garbage burying field, tight covering soil resource, and environmental contamination and landscape ecology sever damage, so as to economize in large amounts of ground resource and bring appreciable economic profit.
Owner:ZHEJIANG UNIV

Ecology-oriented water and soil resource space-time optimal configuration method

PendingCN110363356AImplement coordinated configurationMathematical modelsForecastingInformation processingEcological safety
The invention belongs to the technical field of water and soil resource information processing, and discloses an ecology-oriented water and soil resource space-time optimal configuration method. The method comprises the following steps of establishing an ecology-oriented water and soil resource configuration system by using a gray linear programming method; fusing the multi-source spatial data byadopting a method of analyzing a vector grid, and establishing a water and soil resource allocation model based on multiple spatial scales such as a pixel micro-unit, a basin ecological function partition, a regional administrative planning partition and the like; adopting the cellular automaton for simulating the specific distribution of the quantity ratio of water and soil resources in space. According to the method, the cellular automaton is used for simulating the spatial distribution condition of water and soil resources under multi-objective decision making, and organic combination of water and soil resource quantity matching and spatial distribution is achieved. The method has important practical significance in improving the comprehensive utilization efficiency of water and soil resources and promoting regional ecological safety and sustainable development.
Owner:CHANGAN UNIV

Ultra-high-density industrial pond ecological breeding system and regulation method thereof

The invention relates to an ultra-high-density industrial pond ecological breeding system and a regulation method thereof. According to the method, a breeding pond is divided into a main fish breeding area, a water treatment area and an accessory fish breeding area. Eating fishes are bred in the main fish breeding area, maximum fish carrying capacity is 120-160 kg / m<3>, the water treatment area is mainly used for biological purification treatment of breeding water, and filter feeding fishes are bred in the accessory fish breeding area. The breeding water is driven by an underwater plug-flow aeration device to enter the water treatment area for purification treatment from the main fish breeding area, is deep purified by the accessory fish breeding area and returns to the main fish breeding area, and the closed circulation process of the breeding water is finished. Effective microbial agents are fed, biochemical treatment of the breeding water is enhanced by a 'bacteria-algae-fish' symbiotic comprehensive regulation method, toxic and harmful substances in the water are removed, water eutrophication is prevented, and healthy breeding of the ultra-high-density pond is achieved. Breeding wastewater discharge is avoided, yield and quality are high, energy consumption is low, water and soil resources are protected and saved, and the method is a sustainable modern agricultural breeding and multiplication mode.
Owner:黎清华 +1

Magnetic separation type sludge treatment system and treatment method thereof

The invention mainly discloses a magnetic separation type sludge treatment system. The technical scheme is as follows: the system comprises a water removal tank, a magnetization tank, a sewage tank, a clear water tank and a residue removal tank, wherein the sewage tank is connected with the water removal tank through a sewage plate, the magnetization tank is connected with the sewage tank through a first water guide pipe, the clear water tank is connected with the magnetization tank through a second water guide pipe, the residue removal tank is connected with the magnetization tank through a guiding and connecting plate, and a clearing cavity, a crushing cavity and an extruding cavity are sequentially formed in the water removal tank from top to bottom. Sludge firstly enters the crushing cavity for crushing treatment and then enters the extruding cavity for extrusion, extruded water is delivered to the magnetization tank from the sewage tank to be magnetized in the magnetization tank, impurities are separated, purified water enters the clear water tank, and the adsorbed impurities enter the residue removal tank. The treatment manner is simple, the efficiency is high, the water removal effect is goof, and the separated water is magnetized, so that the water purification purpose is achieved, soil resources and water resources can be reutilized conveniently, and the system is environment-friendly and energy-saving.
Owner:ZHEJIANG ZHENGHAN ENVIRONMENTAL PROTECTION TECH CO LTD
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