829 results about "Soil texture" patented technology

The invention relates to the field of environmental protection and restoration and in particular relates to an environmental-friendly heavy metal stabilizer used for soil restoration of an industrial pollution site and an application method thereof. The environmental-friendly heavy metal stabilizer is prepared from the following material components in parts by weight: 40-50 parts of clay mineral, 17-24 parts of adsorbing material, 10-18 parts of heavy metal chelating agent, 4-8 parts of heavy metal precipitating agent and 10-15 parts of alkaline modifier. Main ingredients of the adopted stabilizer are natural materials, heavy metal pollutant in soil can be rapidly and effectively stabilized through composite action such as chelating, precipitation and adsorption; the heavy metal pollutant is stabilized for a long time, toxicity and biological availability of the heavy metal pollutant can be reduced, risk of the heavy metal polluted soil to the environment and human health is reduced, and the heavy metal polluted soil is restored; besides, a soil texture improving ingredient is contained, so that soil is restored while tillability of the soil is improved.

The invention discloses a nutritional compound enzyme used for crops, and the application thereof. The nutritional compound enzyme comprises proteases, phytase, amylases, cellulase enzymes and pectinase, and the like, is a compound formula of a plurality of enzyme preparations, can replace a plant growth promoter and improve soil texture, can provide nutritional substances, such as nitrogen sources and phosphorus and the like, for the counterbalanced growth of crops, lead the crops to become strong and absorb sufficient nutrient at the later growth stage, can improve the resistance against diseases of the crops, is beneficial to the growth and maturation of the crops and improves the output of the crops; the nutritional compound enzyme can convert cellulose into a part of oligosaccharides for improving the immunity of the crops and increasing the chlorophyll content of functional leaves of the crops, thereby improving the quality and output of the crops. The nutritional compound enzyme brings significant economic benefits for peasants.

The invention discloses a saline alkali soil conditioner which is capable of improving soil texture, realizing production increase of crops and improving survival rates of crops. The saline alkali soil conditioner comprises the following components in parts by weight: 5-10 parts of ardealite, 5-15 parts of decomposed coal, 30-40 parts of decomposed saw dust, 15-25 parts of fulvic acid, 25-35 parts of aged distiller grains, 5-10 parts of phosphorus slag and 0.01-0.05 part of a rooting agent. Compared with other conditioners, the soil conditioner has the advantages of being low in cost as mainly comprising industrial and agricultural wastes, solving the problem of waste treatment, improving saline alkali soil, particularly improving the physical structure of the saline alkali soil, changing chemical properties of the soil, reducing the concentration of toxic and harmful ions and improving soil fertility.

The invention discloses a method for evaluating soil corrosivity of a grounding grid of a substation in Guangdong region, and relates to a method for evaluating the soil corrosivity. The method comprises the following steps: (1) picking up the soil on the buried depth position of the grounding grid to measure eight soil parameters(1) by conventional methods; (2) utilizing an eight index comprehensive grading method to determine a comprehensive grade(2); and (3) determining the grade of the soil corrosivity according to an eight index comprehensive grading result(3). The eight soil parameters include soil texture(1.1), soil pH value(1.2), soil electric resistivity(1.3), soil salt content(1.4), soil water content(1.5), corrosion potential(1.6), and soil C1+2SO4 content (1.7). The method is not only used for evaluating the soil corrosivity environment caused by the grounding grid steel of the substation operated in Guangdong region and predicting the soil corrosivity environment caused by the grounding grid steel of a newly built substation, but also applied to evaluating the corrosive protection of the buried steel in other industries in Guangdong region.

The invention discloses a liquid film prepared from crop straw fermentation liquid and an application method thereof. The liquid film comprises the following components in parts by weight: 82-99 parts of raw materials, 11-14 parts of film forming agent, 2-3 parts of plasticizer, 1.3-2.5 parts of crosslinking agent, 0.02-0.05 part of initiator, 0.2-0.3 part of pH regulator and 0.1-0.3 part of additional component, wherein the raw materials include 68-79 parts of crop straw fermentation waste liquid or water, 7-10 parts of bentonite, 2-3 parts of modified starch and 5-7 parts of potassium humate; and the additional component is one or more of crofton weed extraction liquid, potassium nitrate, trace elements and composite microbial agent spore powder. The liquid film disclosed by the invention has the advantages of simple proportioning, simple structure, convenience in use, low cost, low labor intensity and degradability; and after degradation, the liquid film can improve the soil texture and aggregate structure so as to improve the fertilizer efficiency.

The invention discloses a settlement control construction method for a transverse grouting guide pipe of a shallow underground excavation tunnel. The method includes: laying an advanced small pipe and a horizontal cantilever grouting guide pipe; excavating a middle guide tunnel by a benching tunneling construction method; constructing a middle separation wall and a waterproof layer thereof; and respectively excavating a left guide tunnel, a left tunnel, a right guide tunnel and a right tunnel by the benching tunneling construction method. By the aid of the settlement control construction method, an unconsolidated stratum layer can be effectively consolidated, the soil texture of an unconsolidated stratum is improved, and ground settlement and stratum deformation caused by shallow underground tunnel excavation in the unconsolidated stratum are prevented.

The invention relates to a testing apparatus used for measuring the repeated expansion and shrinkage of a soil sample and a use method thereof. The device comprises a heating water tank 1, a loading frame 8, an evaporator 14, a freeze and thaw collapse chamber 17, a sample box 19, a weight 24, a pressurization lever 28 and the like. The testing apparatus has simple manufacture, high measurement precision and accurate temperature control, satisfies the requirements of freeze and thaw collapse of the soil sample and can be used for measuring the expansion and shrinkage amount and the volume change of various frozen and thaw collapsed soil textures in civil engineering. The testing apparatus is not only suitable for measuring under a pressure free expansion and shrinkage environment without load but also is suitable for measuring under a confining pressure environment with vertical load.

The invention discloses an indoor rainfall infiltration test simulation system. The indoor rainfall infiltration test simulation system comprises a support, an indoor rainfall simulation system, a soil slope seepage simulation system and a measuring system; the indoor rainfall simulation system comprises a base, a bracket and a test trough, and a soil groove, a bottom seepage collection groove, a side seepage collection groove and a runoff collection groove are formed in the test trough; the base is provided with a hinge support and a pin support, the hinge support is connected with the base in a sliding manner, the support is provided with pin holes which are sequentially distributed from bottom to top, and the hinge support is fixedly connected with the base; the test trough is fixed on the bracket, and one side, which is provided with the runoff collection groove, of the test trough is adjacent to the hinge support. By adopting the indoor rainfall infiltration test simulation system, a water transfer form and a variation rule of various physical quantities in the rainfall infiltration process in different soil textures under different slopes and different rainfall intensities can be researched.

The invention relates to an inorganic soil curing agent and a preparation method thereof, relating to soil curing agents for building and a preparation method thereof; the curing agent comprises 28-45% of cement clinker, 30-45% of two-grade or more than two-grade coal ash, 10-15% of slag, 12-15% of quicklime, 1-3% of ardealite and 2% of alkali activator; the preparation method comprises the following steps: transporting raw materials to a ball mill, grinding the raw materials for 12-15 minutes; stirring evenly so as to form gray powder material, wherein a specific surface area is 280-300m<2>/kg; sieve residue is not more than 4% through a square hole screen of 80 microns; mixing 6-15% of the soil curing agent with loosened soil in a construction procedure; and grinding under condition of a best moisture content of soil, and obtaining a product after a conservation period. According to the invention, the inorganic soil curing agent can be mixed with material prepared by mixing soil, garbage, and industrial waste through methods of regulating curing agent component proportion, dosage and the like, and is suitable for the inorganic soil curing agent of various soil textures.

The invention relates to a small pipe diameter drainage pipeline pipe jacking machine tool and a pipe jacking construction method, in particular to a two-way roof drawing construction method. The small pipe diameter drainage pipeline pipe jacking machine tool and the pipe jacking construction method are suitable for pipe jacking construction of a drainage pipeline with the pipe diameter being 200-700 mm. The small pipe diameter drainage pipeline pipe jacking machine tool is mainly composed of a directional drill, a directional drill control panel, a pipe jacking machine, a pipe jacking machine control panel, a drill pipe, a drill bit, a reamer, a guide pipe and a slurry system. Pipe jacking construction comprises three steps of drill pipe jacking, counterbore pulling back and guide pipe jacking and pipe section jacking. Drill pipe jacking adopts automatic direction discriminating and automatic deviation correction. Reaming adopts the mode that the front end pulls the rear end to assist jacking and pushing, pulling and jacking and pushing are synchronously conducted, power is coordinated and shared, direction deviation and guide pipe protrusion are not caused in pulling and reaming uplift, the rear-end guide pipe is jacked along the track of the guide pipe which is jacked into soil, jacking force is relatively small, and long-distance jacking can be achieved. The defects that in the prior art, deviation is prone to occurring when a soil outlet pipe is jacked, and protrusion is prone to occurring when a pipeline is jacked are overcome, and the small pipe diameter drainage pipeline pipe jacking machine tool and the pipe jacking construction method adapt to wide soil texture ranges.

The invention discloses a static pressure moderately-excavated pile pressing machine, which comprises a static pile pressing machine and a special crane, wherein the special crane is arranged on the static pile pressing machine; a support and a tappet rod are arranged on a machine body platform of the static pile pressing machine, and the support is fixedly connected with the tappet rod; a slave winch is connected with the top of a sealing hopper by a mooring rope and a first pulley on the top of the tappet rod; the lower part of the sealing hopper is connected with a steel pipe pile or a precast hollow pile; a master winch is connected with a hoisting ring by the mooring rope and a second pulley on the top of the tappet rod; the hoisting ring is used for hoisting a spiral drill power head; the spiral drill power head is connected with a spiral drill stem; the spiral drill stem passes through the sealing hopper and a central hole site of the steel pipe pile or the precast hollow pile to reach the bottom of the steel pipe pile or the precast hollow pile; and spiral blades are arranged on the spiral drill stem. When the static pile pressing machine presses a pile, a hard soil layer or a highly-weathered soil layer is drilled by starting the spiral drill power head, so the static pressure moderately-excavated pile pressing machine can adapt to the pile pressing operation of the soil layers with different soil textures and has a wide application range and is high in construction efficiency, and can perform operation of drilling and static pile pressing simultaneously.

The invention discloses a peanut combine. The peanut combine comprises a machine frame, a traction frame, a transmission gearbox, a peanut picking device, a conveying and collecting device, a peanut collection box, a cleaning and separating device and a peanut collecting trough. The peanut combine is characterized in that the machine frame is supported by land wheels, the front end of the machine frame is provided with a picking-up and conveying device communicated to the peanut picking device, the peanut collection box is arranged on the upper portion of the peanut picking device, and the cleaning and separating device is arranged on the lower portion of the peanut picking device and is communicated to the peanut collecting box through a peanut lifter. The peanut combine automatically picks and collects seedlings and peanuts through the steps of picking-up and conveying, picking, cleaning and separating, and conveying and collecting, is high in harvesting efficiency, makes the harvested peanuts be clean and have few impurities like straw, and is very suitable for management of family farms and cooperatives in China, wide in use range and free of influence of soil texture and planting modes.

The invention discloses a pipe jacking construction technology through water-mud balance. The pipe jacking construction technology comprises the steps of construction preparation, equipment mounting and debugging, pipe jacking machine out of a hole, pipe section jacking construction, intermediate jacking station jacking construction, main top jacking and the like, and circulation is conducted till jacking is finished. Through the construction technology, construction is conducted especially aiming at the specific soil texture of the pipe jacking construction technology, the operation difficulty is greatly reduced, the maximum amount of excavation is increased, the construction technology is easy, the construction progress is quick, the construction difficult problems such as ground subsidence are controlled within the range stipulated by standards, and the construction technology is suitable for being applied and popularized.

The invention discloses a ganoderma undergrowth bionics wild cultivation method. The method comprises the steps of A, choosing a wild ganoderma variety in the South China area and separating a mother culture; B, choosing a cut-log; C, cutting the cut-log into wood sections with the length of 20-30 cm; D, putting the cut-log into fungus bags; E, putting the bagged fungus material into a sterilization room; F, putting strains on an inoculation shelf and conducting space sterilization; G, when inoculation is conducted, pinching the strains into small blocks of 2-4 cm<3> with hands; H, choosing a room with good thermal insulation performance as a cultivation room, wherein the room temperature is at 25-28 DEG C; I, choosing a Chinese fir forest, a weed tree forest or a bamboo forest with the canopy density of 0.6-0.8, good ventilation and drainage performance and loose and fertile soil texture as a ganoderma cultivation plot; J, choosing Spring Festival to the end of the second month in lunar calendar as cultivation time; K, removing the bags and burying fungus sticks, wherein the burying density is 1500-3000 sticks/mu (a Chinese area unit and is equal to 666.67 m<3>). The ganoderma undergrowth bionics wild cultivation method mainly aims at undergrowth planting of ganoderma fungus sticks in the South China area, according to the method, no facilities and manual watering are needed, continuous harvest for many years can be achieved, and the ganoderma is high in yield and good in quality.

The invention discloses a breeding method of perfume pigs, and belongs to the breeding technology field. The breeding method of the perfume pigs includes: firstly, selecting a region hard in soil texture, good in water draining, fresh in air, and leeward and sunny as a breeding farm; then, using bricks to build a fence around the breeding farm, and building a pig house on a place of the breeding farm, high in terrain; next, selecting piglets of the perfume pigs, excellent in breed and healthy, for feeding; finally, feeding the piglets with fodder every morning, and then placing the piglets in a playground so as to enable the piglets to exercise, driving the piglets into the pig house and feeding the piglets with the fodder every afternoon, growing the piglets into the perfume pigs after 5-6 months of the feeding, and finally slaughtering the perfume pigs. The breeding method of the perfume pigs enables the fed perfume pigs to exercise for more than 8 hours in the playground every day by building the playground, and then enables a lean percentage of the perfume pigs to reach above 53%. The perfume pigs fed by using the breeding method of the perfume pigs can not have diarrhea, can not lose flesh, and are good in development, high in growth speed and high in lean percentage.

The invention discloses a soil-turning and spray-type small soil treatment equipment, comprising a diesel engine and a medicine box. The diesel locomotive is provided with a soil-turning device, and the diesel engine is provided with a rotating shaft at the rear. A pump is provided, a medicine-passing water pipe is fixed on the right side of the pumping pump, a medicine-spraying plate is fixed at the end of the medicine-passing water pipe, and the medicine box is provided with a water tank, a medicine storage room and a mixing box. The invention of the soil turning and spraying type small soil treatment equipment breaks the soil and sprays the liquid medicine, which solves the problem that the soil is dry and agglomerated, which is inconvenient to control. Even better, the filter device can effectively remove impurities in the water to avoid mixing into the potion and affecting the soil quality.

The invention discloses a method for collecting and manufacturing a suspension type thin-layer soil monolith, and relates to a method for collecting and manufacturing a soil monolith. The problem that the monolith hardly moves, lacks of continuity and integrity and has a severely damaged shape in the process of manufacturing the soil monolith is solved. The method comprises the following steps of: manufacturing a soil sampler, a movable sealing cap and a monolith supporting box; excavating a soil profile pit; cultivating a soil pillar with the same inner diameter as the soil sampler on the soil profile, and sleeving the soil pillar by using a soil sampler frame; flatly supporting the soil sampler and the soil pillar to the ground; invertedly fastening the smoothened soil pillar in the monolith supporting box coated with polyvinyl alcohol sol, and selecting different volume ratios of polyvinyl acetate emulsion to water according to different soil textures; spraying an adhesive on the soil pillar so as to make the adhesive naturally infiltrate saturation, and conveying the monolith after the adhesive is dry and the monolith is solidified; and exhibiting the monolith in a show window, and giving character and picture caption to the monolith. The method is suitable for collecting and manufacturing the thin-layer soil monolith.

The invention relates to a method for planting big-fruit filbert fruit trees, which belongs to the planting of fruit trees. The method comprises the following steps of soil texture selection, permanent planting of tree seedlings, fertilizer management, drying, shaping, pruning and pest control, is suitable for planting various filbert fruit trees, solves the problems that a method for the manual cultivation and planting of the big-fruit filbert fruit trees does not exist yet in the prior art and the market supply of filbert fruits is deficient, meets the powerful market demand, provides technical support for building the body and strengthening the body for human beings and also brings the economic benefit for fruit growers. By the popularization and application of the technical scheme of the method for planting the big-fruit filbert fruit trees, the planting area of the filbert fruit trees is expanded, water and soil are kept, the landscape is decorated and the environment is protected.

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.

The invention discloses a desert control device and a using method of the desert control device for realizing desert control. The desert control device is characterized in that opal powder, bio-organic fertilizer and plant seeds are mixed and placed in non-woven fabric pockets, the non-woven fabric pockets are interconnected to form mesh cells, and mesh units are continuously and repeatedly connected to take the shape of a net, and the net is fixed on the surface of desert. A large area of plants can be planted on the net so that rich nutrition is provided for the plants, thereby the soil texture of the desert can be improved, and the desert control device can be used for large-area desert control.

The invention provides a soil saturation hydraulic conductivity measuring and calculating method based on infiltration time characteristic parameters. In the method, the quantitative relation of the characteristic parameters (skewness, kurtosis and variation coefficients) of soil saturation hydraulic conductivity and infiltration time data is built on the basis of analyzing Philip-Dunne infiltration data under three soil texture conditions of clay, loam, sand and the like, and the water content change of soil before and after infiltration does not need any consideration when the method is utilized to measure and calculate the soil saturation hydraulic conductivity, and only the accumulative infiltration time which corresponds to different water levels in a Philip-Dunne infiltration meter needs to be observed, therefore simplifying the calculating process of the saturation hydraulic conductivity and increasing the measuring efficiency.

The invention belongs to the technical field of lightning-proof grounding of transformer station engineering, and particularly relates to a resistance reduction analysis and measurement system applied to a transformer station lightning-proof grounding system. The invention provides a resistance reduction analysis and measurement system applied to a transformer station lightning-proof grounding system, and the system can effectively solve the technical problem of grounding. The system includes a resistance reduction database, a resistance reduction problem application part and a ground resistance on-line monitoring part; the resistance reduction problem application part collects field soil environment data, extracts the resistance reduction database, determines a structure of the structure of layering arrangement and soil texture environmental data which are related with the ground resistance, and calculates the geological environment of the grounding system; a solution is selected in the database, calculation of the grounding system is completed, and the mode and the structure of grounding of a transformer station are determined; and the calculation flow of the grounding system is as follow: soil resistivity and grounding area data are collected, and thermostabilization examination of a grounding device is performed.

The invention relates to a test device for measuring a frost heaving force and frost heaving capacity of artificial frozen-thawed soil. The device comprises a base plate, a soil sample cavity, a top cover, a support, a soil sample cover plate, a connecting rod, a water replenishing connecting pipe, a freezing liquid cavity, a dynamometer and a counterforce frame, wherein the base plate is provided with a first sealing groove; the soil sample cavity is embedded in the first sealing groove of the base plate and used for storing a soil sample; the top cover is provided with a second sealing groove, and the second sealing groove covers the top of the soil sample cavity; the support is connected between the top cover and the base plate; the soil sample cover plate is arranged in the soil sample cavity; the connecting rod penetrates through the top cover, and the lower end of the connecting rod pushes against the soil sample cover plate; the water replenishing connecting pipe penetrates through the top cover to be connected with the soil sample cover plate; the freezing liquid cavity is arranged in the soil sample cavity, is fixed on the base plate and is used for storing the freezing liquid; the dynamometer is connected to the upper end of the connecting rod; the counterforce frame is connected to the dynamometer. Compared with the prior art, the freezing and thawing process of the soil of various soil textures can be simulated, which provides convenience for researching the frost heaving rule of the soil under a single-direction freezing condition.

The invention discloses a soil curing agent, which belongs to the technical field of building materials. The soil curing agent comprises the following raw materials: common silicate cement, solid sulphur ash, an excitant, an early strength agent, silica fume, quick lime, polyacrylamide, water, polyvinyl butyral, calcium lignosulphonate, 3-amino propyl trialkoxysilane and polyvinylpyrrolidone. Theabove soil curing agent is prepared through the steps of carrying out material modification, mixing, vacuum preparation and the like. The soil curing agent has a simple preparation technology. When the soil curing agent is adopted, the solidification time of a roadbed can be obviously shortened, the compressive strength of the roadbed is improved, time limit for construction are shortened, and thesoil curing agent can be applied to the soil solidification of different soil textures.