71 results about "Soil change" patented technology

The invention discloses a method for in-situ improvement of dredger fill into soil for planting, aiming at providing the method through which the investment in soil change is reduced and limited land resources are protected by utilizing the dredger fill which is used as a matrix after being subjected to fast desalinization and fertilizer application by directly utilizing a soil improving material without soil change. The method comprises the following steps of: laying stripe-like spraying layers in the dredger fill, wherein the laying thickness of the spraying layers is 20cm; digging a collecting gutter under each spraying layer, laying a blind pipe in each collecting gutter, winding polypropylene yarns outside each blind pipe, and performing desalinization through the spraying layers and the blind pipes; blending an improving material comprising organic matters and inorganic matters into the dredger fill, wherein the blending depth can ensure that the soil in root layers of plants is in contact with the improving material; and irrigating washing brine. According to the method disclosed by the invention, the soil change is avoided, the operation is simple, the improvement effect is good, and damages to the soil resources, engineering investment and construction procedure can be reduced. Furthermore, green coverage can be fast increased, and a living environment of residents can be improved so as to be conductive to construction of an eco-city.

The invention discloses a clivia soilless culture substrate and a producing method thereof. The clivia soilless culture substrate comprises following raw materials including, by weight, 10 parts of peat, 5 parts of barks, 3 parts of perlite and 2 parts of water, and the raw materials evenly blended are further evenly blended with seaweed fertilizer in a weight ratio of 1500:1. The producing method includes steps: subjecting the peat to high-temperature sterilization for 2 hours prior to dryness and exposure to the sun; adopting 5% lime water to have the barks soaked for 24 hours prior to the high-temperature sterilization for 2 hours, and taking out the barks for dryness and exposure to the sun; blending the treated peat and barks with perlite, adding water, and evenly blending the same; adding the seaweed fertilizer to the evenly blended raw materials, and mixing and blending evenly. The clivia soilless culture substrate is high in breathability, capable of retaining water, ventilating and maintaining the fertilizer, high in moisture content, high in moisture retention and free of soil changing for long cultivation of plants, capable of providing nutrients needed by the plants for a long time and free of frequently applying the fertilizer, so that survival rate and sprout rate can be effectively improved, and clivia cultivation can be simplified for families and offices.

The invention discloses a saline-alkali soil powder ridge light salt productive farming method. The method includes: performing powder ridge operation before ice and snow or rainy season in winter, wherein the operation is performed in two modes, namely whole field powder ridge and planting belt powder ridge 25-30cm and 30-40cm in farming depth respectively; cooperatively establishing escape canals; fertilizing. The problem that saline-alkali soil is not conductive to crop cultivation is effectively solved by the aid of measures of crop cultivation management and the like; meanwhile, soil environmental transformation is greatly benefited, operation concepts of utilization of original chemical methods and biological measures even soil changing are totally overthrown; the method is high in promotion value for 400-million mu of saline-alkali soil in China and has unexpected development prospects.

The invention provides a construction method for an earth pressure balance shield tunneling machine to laterally penetrate through an initially-supporting mined tunnel at a close range. The construction method comprises the following specific steps that firstly lofting is conducted on site to determine the side boundaries of two tunnels, construction of the mined tunnel is stopped, construction of partition piles is started, and an inclinometer, mined tunnel monitoring points and ground settlement monitoring points are laid; then initial values of all the monitoring points are collected, the shield tunneling machine starts to tunnel normally, data are collected, processed and analyzed, obtained information is fed back to constructors in time, and mining protective measures and tunneling parameters of the shield tunneling machine are dynamically adjusted; and finally after the shield tunneling machine passes through the mined tunnel smoothly, tunneling of the mined tunnel is started. The construction method for the earth pressure balance shield tunneling machine to laterally penetrate through the initially-supporting mined tunnel at the close range can quickly provide conditions and construction parameter guidance for shield construction, reduces the safety risk of mined tunnel construction, provides effective soil changing forms, and has good social effects and economic benefits in the aspects of construction periods, cost, safety, quality, and the like.

The invention discloses a high-yield cultivating method of oil-tea camellia. The method comprises the following steps of (1), performing soil working, wherein the step comprises selecting a forestation land, performing high-standard soil working and applying enough base fertilizers; (2), performing forestation, wherein the step comprises selecting seedlings, a oil-tea camellia density, a plantingperiod and a planting methpd; (3), performing seedling forest management, wherein the step comprises soil loosening and wedding, fertilizing, seedling trimming, forestland intercropping, water draining and preventing drought; (4), performing audit forest management, wherein the step comprises soil stand condition improvement, reasonable fertilizing, water irrigation, shaping and trimming, and culturing honeybees in the oil-tea camellia forest; and (5), controlling pests and diseases. According to the high-yield cultivating method, through reasonable fertilizing, seedling forest intercropping,honeybee culturing in the audit forest, shallow digging, deep digging and deep turning soil changing in each growing period of the oil-tea camellia, nutrition growth and oil yield of the oil-tea camellia are improved. According to the method of the invention, the average oil yield after a fourth year after colonization is above 82.1kg. Compared with the oil yield of 10-15kg of a traditional forest, the oil yield is improved by 5-8 times. Therefore the method is an important technique for high yield of the oil-tea camellia.

The invention relates to a container for planting flowers in gardening field, in particular to a flower pot which comprises an inner pot and an outer pot, wherein a gap is reserved between the inner pot and the outer pot, air holes are arranged on the pot wall of the inner pot, a screw is arranged at the bottom of the inner pot, and a movable bottom plate is arranged at the upper part of the bottom of the inner pot; the outer pot can be made of a transparent material, or a warning device is arranged at the bottom of the outer pot, and the warning device is electrically connected with an indicating light arranged at the outer side of the pot wall of the outer pot. The flower pot has the advantages of water saving, convenience of soil change, and the like.

The invention discloses a construction method using a cement mixing pile. The construction method comprises the following steps of surveying and setting out, mechanical in-place centralizing, pre-stirring sinking, cement paste preparation, guniting, stirring, lifting, repeated stirring, machine tool cleaning and pipeline movement. Construction is performed by adopting the construction method of the cement mixing pile, a piling machine is high in working stability, the cement mixing pile mixes soft soil and cement paste at the deep part of a foundation through a deep-layer stirring machine, sothat soft soil is hardened and the strength of the foundation is improved. The method is suitable for soft soil treatment, a treatment effect is remarkable, the treated soft soil can be very quickly used, the construction cost can be reduced and a foundation treatment construction period is shortened on the premise that the construction quality is ensured in constructional engineering construction, heavy foundation pit excavation or foundation soil change and filling is not easily performed due to consideration of short construction period and cost, and the construction method using the cementmixing pile is more economic and scientific.

A material mixing station for LID soil changing and filling engineering comprises a coir block pulverizing system, a soil block pulverizing system, a proportioning system and a screening system. The material mixing station is high in automation degree and reliable in work. Coir blocks and soil blocks are respectively cut and pulverized by the coir block pulverizing system and the soil block pulverizing system, so that the material pulverizing effect is good, pulverizing efficiency is high, feeding amount is adjusted through a feeding amount adjusting device, material blockage is avoided, through the proportioning system, the materials are mixed and proportioned evenly, by a scrap iron adsorption device, scrap iron mixed in the materials can be adsorbed, by a third shifting device, accumulation of the coir blocks is avoided, therefore, the material mixing station works stably, the materials of which grain sizes meet requirements are screened from a screening discharge hole in a screening process, and large granular materials are discharged via a guiding box and is reused. By an anti-blockage device, the screening effect is good, and work efficiency is improved.

The invention discloses a full-transparency fabricated multifunctional geotechnical engineering model case capable of achieving three-dimensional dimension adjustment. The model case comprises a steelbottom plate, a steel framework and soil blocking face plates. The steel bottom plate is located at the bottom of the model case. The steel framework is located on the periphery of the model case andis composed of steel angles and steel channels. The soil blocking face plates are located in the model case and are composed of corner organic glass modules and conventional organic glass modules. According to the model case, transparent organic glass modules are adopted as the soil blocking face plates, full transparency of the model case can be achieved, and it is beneficial to visualization ofthe whole process of deformation of a test model structure and soil changes on the periphery of the test model structure in the model case. Meanwhile, the transverse and perpendicular dimensions of the model case can be adjusted by adjusting overlapping of the outer framework and the number of soil blocking face plate module units. The model case can be used for developing relative tests such asthe influences of tunnel excavation on existing buildings and influences of ground stacking on subway structures. The model case has the advantages of being fully transparent, capable of adjusting thedimensions in three dimensions, convenient and fast to disassemble and assemble and rich in function.

The invention discloses a core-shell structure microbial preparation for soil restoration. The core-shell structure microbial preparation is composed of grains of a core-shell structure, the grains ofthe core-shell structure comprise a composite preparation and an outside shell layer adhered on the surface of the composite preparation, the composite preparation comprises rhodopseudomonas palustris DSM5859 bactericide, lactobacillus plantarum NJ2205 bactericide and bacillus subtilis BNCC188062 bactericide, and the outside shell layer comprises a shell layer of nano hydrogel. The invention further discloses a preparation method and application of the core-shell structure microbial preparation. In soil polluted by heavy metal, pH of the soil changes accordingly; in order to enable the microbial preparation to adapt to and treat heavy metal pollution more effectively, a layer of nano hydrogel capable of tolerating pH is coated on the surface of a microbial agent, and ability of removing heavy metal is improved greatly through synergism of the microbial agent and the nano hydrogel.

The invention relates to a bare soil change identification method combining multiple remote sensing indexes. The method comprises the following steps: S1, building a vegetation near-infrared reflection index time series data set; S2, establishing a bare soil index time series data set; S3, establishing a characteristic index time series data set; S4, evaluating and selecting characteristic indexes; S5, calculating the change trend of the characteristic indexes; S6, establishing a bare soil change identification scheme; and S7, identifying the bare soil change of the research area to obtain a bare soil change spatial distribution map of the research area: judging whether the bare soil is changed pixel by pixel according to the bare soil change identification scheme established in step S6, and finally generating a bare soil change identification result map of the research area. The method is suitable for large-range bare soil change monitoring, the space-time continuity is high, bare soil does not need to be extracted in advance, and a long-time sequence bare soil change spatial distribution map can be rapidly obtained.

The invention relates to a mountain landslide prediction method, which comprises the following steps: drawing a mountain contour map; measuring the soil thickness of the mountain, and drawing a mountain bedrock contour map; according to the mountain contour map and the mountain bedrock contour map, predicting a mountain landslide place, wherein the bedrock gradient at the place changes between 25.0 and 45.0 degrees, and the soil thickness is over 15cm; measuring the infiltration rate of the soil on the predicted mountain landslide place; and predicting the mountain landslide time. According to the invention, based on the relation of the mountain soil changing with time, the mountain landslide place is predicted by taking the mountain contour map, the mountain bedrock contour map, the gradient and the soil thickness as evaluation factors, and the landslide position can be accurately predicted. According to the parameters such as soil infiltration rate, soil bulk density and soil water content, formula calculation is performed to predict the mountain landslide time, thus the mountain landslide time can be predicted relatively accurately.

The present invention relates to the technical field of soil water potential detecting equipment, and discloses a soil water potential distribution detecting device and detecting method. The soil water potential distribution detecting device comprises a dielectric constant sensor, and further comprises a measuring tube, a plurality of porous material layers and a water-repellent layer embedded between each two adjacent porous material layers. The plurality of porous material layers are sequentially, coaxially and fixedly connected with the outer wall of the measuring tube along the longitudinal direction of the measuring tube; and the dielectric constant sensor is slidably arranged inside the measuring tube along the longitudinal direction of the measuring tube. According to the detectingdevice provided by the present invention, the single-point measurement is expanded to the measurement within a certain area, and based on ensuring accuracy and a response to the soil change, a lot ofmanpower and material costs are saved; and the detecting device has the advantages of simple use, accurate measurement, high sensitivity and capability of continuous detection.

The invention relates to a method for detecting soil Eh change based on a DGT technology, and provides a method for tracking and monitoring Eh change of flooded soil in situ based on a gradient diffusion thin film (DGT) technology. The method comprises the following steps: determining the concentration CDGT-Fe of ferrous ions in soil by utilizing a DGT simple membrane, and establishing an index coupling relationship model between the concentration CDGT-Fe of ferrous ions in soil and soil Eh; then measuring the two-dimensional plane CDGT-Fe of the soil to be measured; reversely deducing the change of the to-be-measured soil Eh in a two-dimensional plane according to the CDGT-Fe-Eh coupling relationship; taking an Eh value coupling model as an exponential model by utilizing a simple membraneto calibrate different soil types; and using the intrinsic correlation between iron (Fe) with different valence states and the soil redox potential (Eh) to establish the determination method for effectively evaluating the soil Eh change so that the dynamic change condition of the soil Eh is determined at low cost and high resolution in situ, and the technical problems that the Eh electrode is high in Eh determination cost and long in determination time, and only detection points can be determined are solved.

The invention provides a gastrodia elata cultivation technique, and belongs to the technical field of agricultural planting. The gastrodia elata cultivation technique comprises the procedures of site selection, soil change, pretreatment of cultivation, cultivation, film mulching and harvesting. Compared with the traditional method, the gastrodia elata cultivation technique provided by the invention can improve the germination rate of the seeds of gastrodia elata, reduce the risk of bacteria infection and improve the yield of gastrodia elata; and moreover, the gastrodia elata cultivation technique has the advantages of simple procedures, low cost, space saving, easy management, low cost cultivation. The gastrodia elata cultivation technique is suitable for cultivation of gastrodia elata in rural areas.

The invention discloses a soil changing method for solving the continuous cropping obstacle problem of mountain pseudostellaria root planting. The soil changing method comprises six steps as follows: stand condition improvement, soil improvement, first-year planting soil treatment, second-year planting soil treatment, third-year planting soil treatment and recycling. Quicklime, farmyard manure and humus soil are used for performing nutrition improvement on soil, and the soil fertility can be enhanced while the soil is disinfected, so that factors such as the continuous cropping obstacle and the like caused by soil nutrient imbalance, organic matter content insufficiency and the like can be effectively eliminated; after ridge soil is treated with the method, sections or residues, left in the soil, of pseudostellaria roots can be reduced, planting soil used every year is renewed and can be recycled, the continuous cropping obstacle is overcome, and continuous cropping of the pseudostellaria roots in the same area is realized.

The invention provides a mud pump impeller structure suitable for different kinds of soil and a design method of the mud pump impeller structure, and belongs to the technical field of mud pump design.According to the technical scheme of the design method of the mud pump impeller structure suitable for the different kinds of soil, particle diameter parameters of dredged soil and the blade wrap angle are added according to a calculation formula of the blade number of a clear water pump impeller, and a blade number calculation formula of a mud pump impeller is designed; and furthermore, the blade number Z of the mud pump impeller is determined according to the designed blade number calculation formula of the mud impeller. Compared with the prior art, the mud pump impeller structure suitablefor the different kinds of soil and the design method of the mud pump impeller structure have the beneficial effects that according to dredged soil changes under different dredging working conditions,one impeller suitable for the corresponding soil can replace a previous impeller for a mud pump, and the mud pump is enabled to run efficiently all the time under the condition of guaranteeing that the mud pump is not blocked.

The invention discloses a high-survival cultivation method for flower planting. The high-survival cultivation method comprises the following steps that S1, flowers are planted on a planting frame through a convenient soil changing and planting mechanism, and meanwhile, in the flower planting process, soil is conveniently and regularly changed to ensure the fertility of the soil; S2, when the flowers are irrigated, the flowers are automatically irrigated through a flower irrigation and waterlogging prevention mechanism, meanwhile, redundant water is drained, and the situation that the roots of the flowers are rotted due to excessive accumulated water is avoided; and S3, in the watering process, fertilizer can be added in a water tank. The high-survival cultivation method for flower planting is scientific and reasonable in structure and safe and convenient to use, a water power circulation and turnover mechanism is arranged, and the interior of the water tank is fed into an inclined guide plate through cooperation of a water pump and a water pumping pipe; then water flows back to the water tank through a backflow pipe to form circulation and continuous flowing, water power is conveniently utilized, the utilization rate of resources is increased, and a water wheel and a rotary disc are pushed to rotate; and power is transmitted through cooperation of a rotary block, the rotary disc, a worm, a turbine, a transmission wheel and a belt.

The invention discloses a method for rejuvenating, repairing and curing root systems of an ancient tree hole, and belongs to the technical field of forest tree repairing. The method includes the steps of (1) donor tree transplant; (2) living body grafting; (3) soil changing; and (4) later maintenance. According to the method for rejuvenating, repairing and curing the root systems of the ancient tree hole, a conventional grafting mode is broken, and the phenomenon that the root section of a donor tree is damaged due to the fact that a root section is directly cut out from a worker tree for grafting is avoided; and meanwhile, due to the fact that the lateral root of a donor is in a non-in-vitro state, the donor can absorb nutrients from the donor tree while absorbing nutritional ingredients from a nutrient medium, so that the success rate of grafting is increased. After a receptor crevasse joint face and a donor joint face are attached in the morphological direction, the receptor crevasse joint face and the donor joint face are wrapped with the nutrient medium, intermittent acoustic-magnetic coupling treatment is carried out on a joint, and then the receptor crevasse joint face and the donor joint face are bonded in the morphological direction. The coupling effect of ultrasonic waves and a magnetic field is utilized to cooperate with the nutrient medium, so that the grafting success rate is increased.

The invention discloses a method for obtaining ionization discharging initial field intensity of soil around a grounding conductor under impulsion. An earth rod and a cylindrical backflow electrode structure are adopted to test, and a changing curve of the resistance of the soil between the earth rod and the backflow electrode is measured, wherein the resistance of the soil changes along with applied impulse voltages; a slope of the changing curve is adopted to deduce a real voltage of ionization discharging, and through an electromagnetic field theory, the corresponding ionization discharging initial field intensity of the soil around the ground connector is obtained. Because the ionization discharging initial field intensity of the soil around the grounding conductor under the impulsion is obtained through the resistance variation of the soil between the earth rod and the cylindrical backflow electrode, results are more objective; because the earth rod and the cylindrical backflow electrode structure are adopted to test, the earth-rod surface field intensity is more uniform. The method can be applied in measuring discharging features of the soil around the ground connector and instructing grounding engineering construction.

Provided is a cultivation method for ornamental oranges, pertaining to the agricultural field. The invention provides the cultivation method for ornamental oranges which is simple in operation and high in survival rate and suitable for cultivation on a large scale. The cultivation method for ornamental oranges is characterized by comprising following steps: keeping humidity of potted soil from 40% to 60% and spraying branches and leaves for 3 to 5 days at ordinary times; spraying water each time in the morning and evening in Summer; reducing water quantity during a bud-shooting process and applying nitrogenous fertilizers; keeping 1 to 2 flowers each leave during a budding process and removing superfluous fruits after fruiting; keeping uniform distribution of fruits; completely cutting off new buds growing up after Autumn; maintaining spraying humidity at 80% after fruiting; keeping temperature ranging from 0 to 10 DEG C in Winter, pruning roots and cutting off branches; performing soil-changing operation while roots are pruned; and adding phosphatic fertilizers to soil.

The invention discloses an air-permeable and water-leakage-proof flowerpot. The principle of the flowerpot is as the follows that a circular truncated cone-shaped partition plate with a hole at the middle part is arranged at the lower part of the inner part of the flowerpot; the partition plate divides the flowerpot into an upper part and a lower part; a water absorption column made of an water absorption material is arranged in the small hole at the middle part of the partition plate; a gap is reserved between the water absorption column and the small hole; the periphery of the flowerpot wallbelow the partition plate and close to the partition plate is provided with 1-20 air holes at equal intervals for ventilation; soil is placed on the upper part of the flowerpot for planting flowers and plants; and the lower part of the flowerpot is used for storing leaked water. The flowerpot has the beneficial effects that water storage performance and air permeability of the flowerpot are improved, and redundant water in a flower watering process can be leaked to the lower part through the small hole and is stored. When soil on the upper part is dry, the water stored in the lower part is guided by the water absorption column, and the stored water reaches the upper part of the flowerpot, so that soil moisture is kept, watering frequency is reduced, and water sources are saved. The dividing plate is movable, so that soil changing and transplanting are very convenient, and processing and manufacturing are facilitated.

In view of the actuality of large PCBs polluted site area, serious contamination, difficult restoration and shortage of restoration technology in our country, the invention provides a new technology for rapid extraction of persistent organic pollutants from polluted soil so as to realize the reclamation and reuse of such soil. The technology is characterized in that: in an airtight reaction kettle, a special organic solvent is employed as the extracting agent, and by taking advantage of the characteristic that the solvent can rapidly dissolve organic pollutants under an increased temperature and an increased pressure, the efficient separation of the organic pollutants and soil can be realized. The technology of the invention has the advantages of simple operation, short process, high efficiency, small amount of solvent consumption and the like, and the treated soil changes little in the content of organic matters, thus being applicable for backfilling and reclamation.

An underground deep space parking well structure with big data intelligent control construction, characterized in that 3-4 groundwater intelligent control monitoring wells and 4-6 infrared automatic early warning devices for ground subsidence are set at 5-10m outside the parking well, On the outside of the well, cement mixing piles are used as water-stop curtains, bored cast-in-place piles or occlusal cast-in-place piles are used as the outer wall of the parking well, the reinforced concrete inner wall is cast in sections, and the bottom of the well is reinforced concrete bottom plate and plain concrete sealing layer , the well plane is square or rectangular, there is a cement-soil waterstop under the sealing layer, a stress gauge for lateral earth pressure is welded on the main reinforcement of the outer wall, and the upwelling stress of the soil is buried in the cement-soil waterstop at the bottom of the hole Sensor sheet or bottom soil upwelling early warning device. Compared with the existing technology, the whole construction process is controlled according to various groundwater collected by various intelligent control instruments, soil pressure outside the well, and soil changes in the water stop zone at the bottom of the well. The construction equipment is simple, the construction speed is fast, and the project cost is low. Low, the parking well does not leak and so on.

The invention discloses a device and method for researching continuous succession rule of soil oxidation-reduction intensity. The device comprises a container, a pH composite electrode, an inert gas introducing pipe, a gas sampling tube, a suspension sampling tube and an oxidation-reduction composite electrode, wherein the upper end surface of the container is plugged through an opaque organic glass cover. The method comprises the following steps that firstly, soil pretreatment is conducted; secondly, constant-temperature stationary culture is conducted; thirdly, a test time interval is set, and the pH value, the Eh value and the contents of NO2-, Mn2+, Fe2+, SO42- and CH4 are measured; fourthly, the curve of the pH value, the Eh value and the contents of CH4, NO2-, Fe2+, Mn2+ and SO42- along with time changes is draw, and result analysis is conducted. By means of the device and method, chemical behaviors of different oxidation-reduction systems in the continuous succession process that soil changes from the oxidized state, the weak reduction state, the reduced state to the strong reduction state, and the interaction rule of migration and transformation the soil, nutrients, heavy metal, organic pollutants and the like can be researched.