175 results about "Soil protection" patented technology

The invention relates to a natural degradable compound fertilizer anticaking agent and a preparation method thereof. The natural degradable compound fertilizer anticaking agent is prepared from the following ingredients in percentage by weight: 80 to 90 percent of rice hulls and 10 to 20 percent of additives, wherein the additives are C4 to C30 stearic acid, C4 to C30 stearate and C4 to C30 alcohol or paraffin. The preparation method comprises the following steps: feeding ingredients into a milling machine to be pulverized to 500 to 2500 meshes; and then, feeding the pulverized ingredients into a modification machine for modification processing for 3 to 10 minutes at the temperature between 10 DEG C and 150 DEG C to obtain the natural degradable compound fertilizer anticaking agent. The invention provides the natural degradable compound fertilizer anticaking agent with the advantages of simple processing, low use cost, good caking resistance performance, pure natural environment protection, convenient absorption by crops, fertilizer effect enhancement, soil protection and field return promotion of organic substances.

The invention belongs to the technical field of soil protection, in particular to a remediation method for heavy metal pollution of farmland soil. A heavy metal passivator is uniformly mixed with soil, after conservation, the first crop is planted, and then hyperaccumulators are planted, at that same time, a heavy metal activator is applied and the passivator is applied, after the second crop is planted, the heavy metal passivator is applied at first, so as to reduce the risk of heavy metal leaching, at that same time, heavy metals are avoided to be enriched in crops, and then the heavy metalactivator is applied to plant hyperaccumulators to absorb heavy metals and reduce the content of heavy metals in the soil, and the heavy metals in the soil not covered by the plant roots are kept at alow leaching risk due to the existence of heavy metal passivators. The invention adopts a plant enrichment technology and a method of applying a heavy metal passivator, which can not only fundamentally remove the problem of heavy metals, but also passivate the heavy metals when planting crops, thereby improving the use efficiency of the soil.

The invention relates to a soil conditioner, which is prepared by the following raw materials according to the mixture ratio by weight: mineral glaucophane powder, diatomite, photosynthetic bacteria, actinomycete, saccharomycete, azotobacter, lactobacilli, growth bacteria and phosphate-solubilizing bacteria. According to the mixture ratio, the soil conditioner relates to mineral matters and microbes and is a comprehensive biological conditioner. For the soil conditioner, the consumption amount is low, and the soil improvement effect is good. Through the long-term use of the soil conditioner, the soil structure is changed, the air permeability is improved, heavy metal and medicament residues in soil are fully adsorbed, the pH value of the soil is regulated, and the soil can be neutral so as to be conductive to the normal growth of crops. The soil conditioner is applicable to the improvement of soil for planting various crops.

The invention belongs to the field of foundation pit support and underground engineering and is a continuous protection structure for soil between cast-in-situ piles. The technical scheme is: pre-buried or planted hanging net reinforcement in the cast-in-situ pile body, one end of the net-hanging steel bar is placed inside the cast-in-place pile body, and the other end is exposed outside the cast-in-place pile body; , the reinforcement mesh is located between the pile wall and the transverse reinforcement, the mesh reinforcement and the transverse reinforcement are welded and connected, the reinforcement mesh and the transverse reinforcement are connected by wire binding, and the concrete surface is sprayed on the surface of the reinforcement mesh. The invention avoids the loss of soil between the piles through the hanging net spraying grout between the cast-in-situ piles, and utilizes continuous protective measures for the soil between the piles to ensure the safety of the foundation pit support system. The structure is convenient in construction, safe and reliable.

The invention relates to a preparation method of a coal ash-iron tailing based geopolymer fiber reinforced material. The preparation method comprises the following steps: taking iron tailings and coalash as main solid raw materials and using characteristics of high aluminum content of coal ash to adjust the molar ratio of Si/Al in raw materials, mixing solid raw materials with a composite alkaliactivator to prepare slurry, adding a reinforced fiber material to obtain a composite slurry, injecting the composite slurry into a mold, carrying out sealing and curing, carrying out demolding, and then carrying out curing to obtain a finished product. The geopolymer material disclosed by the invention has a special three-dimensional network structure, is high in compression resistance and bending strength, good in corrosion resistance, high in durability and good in high-temperature resistance, and can be applied to the fields of construction, automobiles, aviation, casting metallurgy, waterand soil protection, engineering emergency repair and the like. Due to the fact that the raw materials are rich in source and low in cost, the process is simple, green and environmentally friendly, energy consumption and carbon emission are avoided, comprehensive resource utilization of iron tailings and coal ash is realized, and important significance is achieved for sustainable development, energy conservation and emission reduction of mining enterprises and thermoelectric enterprises.

The invention relates to a method for confirming a coal mining sunken surface soil peeling space time based on a geographic information system (GIS) grid unit, belonging to the fields of mining technology, soil utilization and soil rehabilitation. The method comprises the following steps: classifying ground units, obtaining ground elevation information of every ground unit before exploring, predicting sunken by stages; obtaining the elevation property at every predict stage of every ground unit, and confirming the water accumulation time of every ground unit, thereby confirming the time of peeling surface soil of every ground unit. Through classifying the ground unit and combining the underground exploring stage, the water accumulating time of any ground unit and the time of surface soil peeling time are determined, thus the time and place of performing the surface soil peeling activity can be confirmed clearly; the method is simple and easy to understand and convenient to perform the actual construction operation, thus the surface soil protection work of a high diving water level mine zone can be specifically carried out at a fixed quantity; the method provides the guarantee for the soil rehabilitation at the later period and is beneficial to improve the rehabilitation plowing rate, and accelerate the sustainable utilization and development of the soil resource in the mine lot.

The present invention belongs to the technical field of water and soil protection, and particularly relates to phosphogypsum-based vegetation concrete and a construction method thereof. The specific technical solution is as follows: the phosphogypsum-based concrete comprises phosphogypsum, soil, rice husk ash, humic acid, a retarder, plant fibers, brucite fibers, a water retaining agent and water.A large amount of the phosphogypsum and rice husk ash are used; high bonding strength between the concrete and slopes is high; anti-pressure and anti-tensile abilities are strong; an anti-erosion ability is strong; the phosphogypsum-based vegetation concrete also provides nutrient elements required for growth of various surface layer grass seeds; the humic acid further helps quick ecological recovery; and long fibers and short fibers are also combined to improve the own performance of the concrete, help vegetation to grow rapidly and exist for more than ten years or even decades, continuouslystrengthen and toughen the concrete, and improve the crack resistance and durability of the concrete.

A method of construction works for preventing the bed and shore of a torrent from being eroded by using steel cables and steel nets without requiring a huge number of works or huge costs, comprising the steps of fixing at least two longitudinal cables (1) directly or indirectly to lodgments (2), connecting the longitudinal cables by at least two lateral cables (5) at proper intervals, and disposing at least two nets (3), the number of which corresponds to the number of lateral cables, so that the nets are arranged at proper intervals in the direction from upstream to downstream of the torrent and mooring the nets by the longitudinal cables and the lateral cables or mooring cables that are connected to the longitudinal cables so that the nets face the water flow of the torrent.

The invention discloses a high-quality high-yield planting method of Chinese cabbage. The method is characterized by comprising the following steps of (1) seed microwave pretreatment, (2) pregermination at a fresh keeping part of a refrigerator, (3) yield increase compound fertilizer manufacturing, (4) watering and (5) fresh keeping film bag sleeving and harvesting. The high-quality high-yield planting method has the advantages that Jiangzhou rich land is selected as a planting place, micro waves are used for pretreatment, the activity of enzymes during the seed germination stage is activated, the seed germination rate is improved, the crop yield is improved, the fertilizer effect is slowly released through the addition of biological fertilizers, good ecological environment is created, the soil protection is favorably realized, and in addition, the goals of increasing the yield and the increasing income are achieved. The method is simple and feasible, the obtained cabbage realizes high quality and high yield, and in addition, the potential safety hazards are low.

The invention relates to a watercraft anticorrosion and antifouling method. Firstly, the material of the watercraft is processed with buffing treatment so as to enable the material to be capable of combining with ceramic wafers; then the ceramic wafers are tightly combined with the material of the watercraft through epoxy resin, electric welding, plating or adhesive. The ceramic wafers are adhibited at the underside of the watercraft and the part of the watercraft underwater or above waterline, including the area of the bulbous bow, the area of the screw-shaft tube of the propeller, the area of the rudder, the area of the ballast tank and the double-deck underfloor. The ceramic wafers are interconnected through epoxy resin, electric welding, plating or adhesive, or are interconnected mechanically, forming a watercraft shell. The invention has the good effects that the ceramic wafers are arranged at the exterior of the watercraft to withstand corrosion from seawater and halobios to the watercraft and makes use of the intensity of the substrate material of the watercraft and the characteristics of corrosion resistance and fouling resistance. The invention causes no pollution to marine environment and is effective in a long time and can reduce the resistance to the watercraft during sailing and increase the economical efficiency of the operation of the watercraft.

The invention belongs to the field of industrial waste-slag resource utilization, and particularly relates to a method for preparing a microelement water-soluble fertilizer from manganese slag. The method comprises the following steps: performing a full reaction on the manganese slag and sulfuric acid, after the reaction is completed, adding a neutralizing agent, performing a neutralization reaction, after the neutralization reaction is completed, performing solid-liquid separation, adding a neutralizing agent into the liquid, performing a neutralization reaction, after the neutralization reaction is completed, performing solid-liquid separation on the mixed liquid, after the separation is completed, adding an amino acid microelement organic acid, performing a chelation reaction, after thechelation reaction is completed, performing solid-liquid separation, and performing concentration and drying on the separated liquid to obtain the microelement water-soluble fertilizer product. The method provided by the invention uses stronger chelating ability of the organic acid to extract nutrient elements such as copper, zinc, iron and manganese from the manganese slag to produce the microelement water-soluble fertilizer, can greatly reduce the risk on human health brought the lack of microelements in soil, meets the national requirements for soil protection and scientific fertilizationof crops in China, and expands the resource utilization path of the manganese slag; and the production process is simple, and the cost is lower.

The invention discloses nutrient hole type cast-in-place greening concrete and a construction method thereof, and relates to the technical field of soil protection. The nutrient hole type cast-in-place greening concrete comprises a concrete layer formed on the slope protection outer surface through the cast-in-place greening concrete, the concrete layer is provided with nutrient holes for plantinggreening plants, concrete between the concrete layer and a slope protection extends in the direction of the slope protection to form a concrete column body, and the concrete column body and the slopeprotection are inserted, connected and fixed. The concrete layer is formed on the outer surface of the slope protection in a cast manner, the nutrient holes are opened in the concrete layer, roots ofthe greening plants are laid in the nutrient holes, and the effect of reinforcing the concrete layer is achieved; and the concrete column body is inserted and connected into the slope protection, theeffect of reinforcing the concrete layer is further achieved, and the purposes of preventing water and soil loss phenomena such as landslides and collapses are achieved.

The invention discloses an eel-toad-rice symbiotic cultivation method, and belongs to the technical field of agricultural compound cultivation. The eel-toad-rice symbiotic cultivation method comprisesthe following steps: selection and arrangement of symbiotic cultivation unit fields; arrangement of a toad escape prevention facility; sowing of rice; preparation of juveniles in advance; stocking ofjuveniles; placing juvenile toads into a rice sowing area and controlling the throwing density of the juvenile toad; feeding; breeding of earthworms; topdressing of rice fields; adjustment of water quality and water level; pest control; and catching-up. Diseases and insect pests on land and air are prevented and controlled, and poisonous and harmful pesticides are avoided; chemical fertilizers are avoided, and soil protection is facilitated; the method is beneficial to guarantee that fertilizer and water do not flow outwards and non-point source pollution can be avoided effectively; the wetland function of the rice fields is well enhanced; emissions of greenhouse gases such as methane are reduced; eels, toads and rice are bred in a symbiosis manner and are beneficial to one another, organic matters such as nitrogen and phosphorus which are generated by the eel and toad can be absorbed by the rice and promote the growth of the rice, and the pollution of the nitrogen and the phosphorusto the water body is reduced; and the purification effect of the rice on the water quality can provide a high-quality growing water environment for the eels.

The invention relates to a novel technique capable of electrically irrigating and sprinkling deserts on site by power generated from natural wind energy or solar energy. The novel technique comprises a power generation system and a pumping and irrigating system. The power generation system comprises a wind-energy or solar power generator 1 and a variable-frequency voltage regulator 2. The pumping and irrigating system comprises an accumulator 3, a water pump 4, a temperature sensor 18, an electric-heating thermal insulation pool 5, a sprinkling irrigation device 6, an antifreeze water pipe 17 and an antifreeze sprinkling irrigation valve 16. Power generated by the wind energy or solar power generator 1 through natural wind energy or solar energy is regulated by the variable-frequency voltage regulator 2 to output a voltage-stabilized power supply (220V-230V) to drive the water pump 4 of the pumping and irrigating system to pump water, the underground water pumped all day long is irrigated to the desert surfaces by the irrigating device 6 through the temperature sensor 18 and the antifreeze water pipe 17 sequentially. The novel technique has the advantages of stabilizing sand to realize environmental protection, changing climatic environments of deserts, forming earth surface water and soil protection and functioning in ecological virtuous cycle, and is environment friendly, clean and low in cost.

The invention relates to a planting method for intercropping of flue-cured tobacco and quinoa, belonging to the technical field of quinoa planting. The planting method comprises the following steps: planting land preparation, flue-cured tobacco planting management, quinoa seedling culturing, intercropping of the quinoa and the flue-cured tobacco, and field management for the quinoa after intercropping. According to the invention, tobacco planting, quinoa planting and soil protection are organically combined, and spare time and space of a tobacco area in autumn and winter are fully utilized forinterplanting the quinoa, so the utilization efficiency of land resources is effectively improved; the influence on soil hardening due to heavy fertilization during planting of preceding flue-cured tobacco is lightened; ecological pressure is retarded; ecological protection, soil improvement and economic development are simultaneously achieved; research and application demonstration sites for various planting techniques are established for ecological protection and sustainable development of the tobacco area and a poverty-stricken mountainous area; a theoretical basis is provided for the research on adjusting and controlling technologies for continuous cropping of tobacco, provides a scientific basis for realizing sustainable production of tobacco leaves, and has important practical significance on promoting modern tobacco production.

Disclosed herein is a debris-catching bib apparatus and method of using the same. The bib can include a body, which is a rectangularly shaped panel of water resistant material. The water resistance allows the bib to be a protectant shield, for example shielding a baby's clothes from being soiled during feeding. The bib can include a collar, a base, and a fastener. The collar can be an extended flap of material that is tucked underneath the body and underneath clothes around the neck of the baby, providing additional soil protection. The base can be a flexible and large flap of material that expands into a receptacle. The fastener securely attaches the expanded base to an object, such as a high chair. Fastening the bib forms a sealed barrier between the baby's chin and the object, allowing any debris to be caught in the receptacle at the bib's base.

The invention discloses a tiling-process cultivated soil protection construction method for land consolidation and field raise engineering, which comprises: dividing an area needing land consolidation and field raise into a plurality of blocks according to construction requirements, removing surface original cultivated soil on a first cultivated land block, dumping the surface original cultivated soil in a construction field, constructing a part below a cultivated soil foundation on the first cultivated land block, removing surface original cultivated soil on the second cultivated land block, transporting the surface original cultivated soil on the second land block to the first cultivated land block, leveling and rolling the original cultivated soil, and completing the original cultivated soil construction in the field raise area like this in turn, wherein the original cultivated soil of the first cultivated land block is used as the original cultivated soil of the last cultivated land block. The method has the advantages that: by dividing the cultivated land requiring land consolidation and field raise into a plurality of blocks for construction without adopting any other means, the quality of soil in the cultivated land can be improved in a short time period, and the fertility and breathability of the original soil can be retained effectively; and thus, the soil can meet requirements for cultivation; and the method is convenient, simple and practical. When the method is used, great social and environmental benefit can be created, and the comprehensive grain productivity of China can be protected effectively.

The invention discloses a wetland garden soil protection and water treatment device. The device comprises a treatment base; a sewage pool and a treatment pool are arranged on the center line of the top end of the treatment base; rectangular grooves are formed in the centers of the top ends of four inner walls of the sewage pool; a water inlet is formed in the center line of the side wall of one rectangular groove; a water outlet is formed in the side wall, opposite to the side wall where the water inlet is formed, of the sewage pool; connecting strips are placed in the rectangular grooves; grid plates are fixed on the side surfaces of the connecting strips; connecting rods are fixed in the centers of the top ends of the other two groups of opposite connecting strips; transverse strips arefixed at the tops of the connecting rods; an opening and a drain outlet are formed in two opposite side walls of the treatment box; two groups of concave grooves are formed in the inner wall of the treatment box; connecting frames are mounted in the concave grooves; activated carbon plates and acid-producing bacterial colony plates are mounted on the two connecting frames respectively; a sewage inlet pipe is mounted at the end of the water inlet; a water outlet pipe is mounted at the end of the water outlet; a sewage pump is connected to the end of the water outlet pipe and connected with a water inlet pipe; the water inlet pipe is mounted at the end of the opening; and a drain pipe is connected into the drain outlet.

The invention discloses a straw strip collection type corn cutting table and aims at providing a straw strip collection type corn cutting table which is high in straw utilization rate and low in straw cleaning, recovery and recycling cost and facilitates soil protection. The straw strip collection type corn cutting table comprises a machine frame, a divider, a cluster picking device, a cluster conveyer, a transmission system and a straw conveyer arranged under the rear portion of the cluster picking device in the transverse direction, wherein the divider, the cluster picking device, the cluster conveyer and the transmission system are installed on the machine frame, and cutting throwing devices are arranged under the front portion of the straw conveyer and parallel to the rotation axis of the straw conveyer. The machine frame is provided with a side bottom beam and a middle bottom beam, the cutting throwing devices are bilaterally, symmetrically and rotatably supported and installed on the side bottom beam and the middle bottom beam respectively, and cutter groups are installed on shaft rollers of the cutting throwing devices in the axial direction in series. The straw strip collection type corn cutting table is suitable for corn cluster picking and straw collection and laying operation.

The invention discloses a base fertilizer for pasture planting and relates to the technical field of fertilizer processing. The base fertilizer is made from, by weight, 90 to 100 parts of dried livestock excrement, 35 to 40 parts of humic acid, 18 to 20 parts of soybean meal, 15 to 18 parts of rapeseed meal, 14 to 16 parts of wheat bran, 12 to 15 parts of dried tea residue, 12 to 15 parts of dried fruit residue, 11 to 13 parts of herbal herbicide, 10 to 12 parts of dwarf lilyturf tuber powder, 8 to 10 parts of loofah sponge powder, 6 to 9 parts of tea seed cake, 6 to 9 parts of microelement additive, 5 to 8 parts of pig hair meal, 5 to 8 parts of bone meal, 4 to 6 parts of egg-shell meal, 4 to 6 parts of quick lime, 3 to 5 parts of dried coffee residue, and 2 to 4 parts of distillers' grains. With the main material, namely the dried livestock excrement, and auxiliary materials including the humic acid and various food processing byproducts and leftovers, the base fertilizer is significant to production cost reduction and comprehensive resource utilization; the base fertilizer has complete nutrition and high fertility and is good for quick growth of pasture and soil protection.