Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

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

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

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

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

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

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

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
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products