33results about How to "Good structural condition" patented technology

The invention provides a rapid roadway construction method for soft and broken surrounding rocks of a deep coal mine and a support system. The rapid roadway construction method for the soft and broken surrounding rocks of the deep coal mine includes the steps that a concrete leveling layer is sprayed to the roadway surrounding rocks in a wet mode; a plurality of grid arches are tightly attached to the concrete leveling layer at preset intervals; mounting anchor rods are arranged on the grid arches in a drilling mode; the grid arches are connected through longitudinal linkage ribs; a first layer of reinforcing mesh and a second layer of reinforcing mesh are laid along a roadway, wherein the first layer of reinforcing mesh is bound with the inner side main ribs, close to the surrounding rocks, of the grid arches, and the second layer of reinforcing mesh is bound with the outer side main ribs, away from the surrounding rocks, of the grid arches; concrete is sprayed again for filling of gaps among the grid arches, the two layers of reinforcing meshes and the surrounding rocks; a concrete layer is sprayed again to completely cover the grid arches; prestress grouting anchor cables are manufactured on the grid arches to support the surrounding rocks. By the method, the soft and broken surrounding rocks can be rapidly and effectively supported, and material waste and adverse impact on the environment are reduced to the maximum extent in the construction process.

The invention discloses a method to plant Medicago sativa in saline-alkaline soil and improve soil and fertilizer condition. The method comprises: applying an improving fertilizer, plowing, performingrotary tillage and leveling the land, sowing, managing the field, and harvesting, wherein the improving fertilizer is made from desulfurization gypsum, activated carbon, flyash, plant stalk granules,bentonite, zeolite, urea, ammonium phosphate, blast furnace slag particles and a microbial agent having a weight ratio of (30-40):(10-14):(6-10):(16-18):(8-12):(4-8):(3-5):(3-5):(4-6):(1-3). saline-alkaline soil is improved by taking the measures such as saline-alkaline soil improving fertilizer and planting Medicago sativa, the survival rate and yield of Medicago sativa are high, the improving of the whole saline-alkaline soil is excellently effective, and the improving process is green and free of pollution. Therefore, the method is an application technique worthy of wide popularization.

The invention discloses organic fertilizer for saline and alkaline land transformation as well as a preparation method thereof. The organic fertilizer for saline and alkaline land comprises 42 to 48 parts by weight of animal waste, 12 to 14 parts of plant straws, 10 to 12 parts of tea powder, 8 to 10 parts of bagasse, 6 to 8 parts of seaweed powder, 4 to 8 parts of a pH regulator, 4 to 6 parts ofan adsorbent and 3 to 5 parts of a loosening agent, and also comprises 1 to 3 parts by weight of microbial agent and 0.01 to 0.03 part by weight of rooting powder. The animal waste, the plant straws,the tea powder, the bagasse and the seaweed powder are subjected to composting treatment, the pH regulator, the adsorbent, the loosening agent, the microbial agent and the rooting powder are added, and pelletizing is performed to prepare the organic fertilizer. The organic fertilizer can effectively improve the soil structure of the saline and the alkaline land, improve the soil fertility and reduce the salinity and alkalinity, cooperates with plant cultivation to improve the water-retaining property of the soil and prevent salt return, can improve the saline and the alkaline land durably andeffectively, and can change the desolate beach into the fertile land after being circulated for many times.

The invention discloses a method for planting lycium ruthenicum in saline-alkali soil and improving soil and fertilizer statuses. The method comprises the steps: improving fertilizer addition and landpreparation; ridging; timely seeding; field management; shape pruning; and harvesting and processing, wherein an improving fertilizer comprises desulphurization gypsum, activated carbon, coal ash, poultry excrements, zeolite, potassium feldspar, felt fiber and blast furnace slag particles which are in the weight ratio: (40-50):(10-14):(8-12):(8-12):(4-8): (4-8):(4-8):(4-6). In the method, the lycium ruthenicum is planted by improving the saline-alkali soil by using the improving fertilizer and a drip irrigation system, the survival rate and yield of the lycium ruthenicum are high, the effecton improving the whole saline-alkali soil is remarkable, and the improving process is green, environment-friendly and pollution-free. Therefore, the method is an application technology worthy of beingpopularized on a large area.

The invention discloses a method for improving a saline and alkaline land by utilizing alfalfa-beet-cotton-maize rotation. By the method, the saline and alkaline land is improved by ditching and draining, pressing salt into fresh water, adding improved fertilizer or compound fertilizer, performing ploughing and rotary tillage, planting alfalfa, beet, cotton and maize year by year and returning straws. The method has prominent improvement effect on the whole saline and alkaline land, and the improvement process is environment-friendly and pollution-free. Therefore, the method is an applicationtechnology worthy of large-area popularization.

The invention discloses a special functional melt granulated humic acid fertilizer and a production method thereof. The production method comprises the following steps: proportionally weighing urea, monoammonium phosphate, potassium chloride, humic acid and additives as raw materials; adding preheated monoammonium phosphate, potassium chloride, humic acid and other powdery materials into the urea molten liquid; under the actions of molten liquid temperature and mechanical stirring, quickly compounding an eutectoid with certain flowing property; granulating by a spray granulation technique in a granulation tower; and when the sprayed drops in the falling process in the granulation tower exchange heat with ascending air flow to be quickly cooled and solidified, forming the special functional melt granulated humic acid fertilizer. The special fertilizer disclosed by the invention has the advantages of high fertilizer efficiency and environmental protection, enhances the soil activity, and conforms to the development trend of the green environmental-protection fertilizer.

The invention discloses a method of planting beet in saline-alkaline soil and improving soil and fertilizer conditions. The method comprises: adding saline-alkaline soil improving fertilizer, preparing a land, treating seeds, sowing the seeds, managing the field, and harvesting, wherein the saline-alkaline soil improving fertilizer comprises desulfurization gypsum, activated carbon, flyash, livestock excrement, zeolite, potassium feldspar, felt fiber, blast furnace slag particles, and a microbial agent in a weight ratio of (40-50):(10-14):(8-12):(8-12):(4-8):(4-8):(4-8):(4-6):(1-3). Accordingto the method, saline-alkaline soil is improved by taking measures, such as use of the saline-alkaline soil improving fertilizer and planting of beet, the survival rate and yield of beet are high, theimproving effect for the whole saline-alkaline soil is excellent, and the improving process is green and free of pollution. Therefore, the method is an application technique worthy of wide popularization.

The invention discloses agricultural environmental-friendly organic fertilizer and a preparation method thereof, and belongs to the technical field of agricultural fertilizer. The organic fertilizer is prepared from the following raw materials in parts by weight: 50-80 parts of crop straw, 40-65 parts of animal waste, 3-6 parts of an EM agent, 30-40 parts of urea, 18-30 parts of potassium sulfate,15-25 parts of calcium superphosphate, 1-5 parts of humic acid and 3-8 parts of a water retention agent. The preparation method of the agricultural environmental-friendly organic fertilizer is simple, and raw materials are widely sourced, low in cost and pollution-free, so that the organic fertilizer has environmental-friendly significance; besides, fertilizer and water are retained, the fertilizer effect is lasting, soil hardening is avoided, crop growth can be promoted, and yield of crop is increased.

The invention discloses a special fertilizer for mat grass mat planting, and relates to the technical field of fertilizers. The special fertilizer is characterized by comprising the following components in parts by weight: 60-70 parts of organic matters, 10-13 parts of inorganic substances, 4-5 parts of trace elements, 10-15 parts of clay soil, 1-2 parts of humic acid, 0.03-0.08 part of a biological growth regulator and 2-3 parts of a seedling promoter; and the seedling promoter comprises the following components in parts by weight: 2-3 parts of ethylmethane sulfonate, 1-3 parts of brassinolide, 1-3 parts of compound sodium nitrophenolate and 0.3-0.4 part of a rear-earth element. The special fertilizer is comprehensive in nutrient, high in fertilizer supply capacity, strong in mat grass stress resistance, resistant to lodging and breaking, deep in grass color, not liable to change color and high in yield.

The invention discloses a method for planting figs and improving soil fertility condition in a saline-alkali land. The method comprises the following steps: application of an organic fertilizer used for improvement of the saline-alkali land for land preparation, propagation, sowing, field management and timely harvesting, wherein the organic fertilizer used for improvement of the saline-alkali land comprises the following components in parts by weight: 42 to 48 parts of animal manure, 12 to 14 parts of plant straw, 10 to 12 parts of tea dust, 8 to 10 parts of bagasse, 6 to 8 parts of seaweed meal, 4 to 8 parts of a pH value regulator, 4 to 6 parts of an adsorbent and 3 to 5 parts of a bulking agent; and the organic fertilizer also comprises 1 to 3 parts by weight of a microbial agent and 0.01 to 0.03 part by weight of rooting powder. The method provided by the invention improves the saline-alkali land by adopting the measures of applying the organic fertilizer used for improvement of the saline-alkali land, planting figs, etc.; the figs have high survival rate and high yield; the improvement effect to the whole saline-alkali land is prominent; and the improvement process is green,environment-friendly and pollution-free. Thus, the method provided by the invention is an application technology which is worthy of large-area popularization.

The invention discloses a compound fertilizer special for tea-oil tree cultivation and a preparation method thereof. The fertilizer is prepared from, by weight, 15%-35% of beam pulp, 10%-25% of calcium magnesium phosphate fertilizer, 9%-19% of potash magnesium sulphate fertilizer, 15%-45% of tea-oil tree pulp, 15%-25% of walnut pulp, 9%-19% of manure of livestock and poultry, 0.1%-2% of heptahydrate and 0.1%-2% of borax through smashing, screening, fermentation, stirring and uniform mixing. The formula is scientific and reasonable, the compound fertilizer special for tea-oil tree cultivation is prepared by blending the weight percent of the raw materials according to the soil condition of Yuexi Country to balance the nutrition of oil tea, oil-tea trees are promoted to grow better, meanwhile, the soil environment is improved, the quality and oil output of the oil-tea trees are improved, and the compound fertilizer is safe and free of pollution.

The invention discloses a method for planting salicornia europaea and improving a soil fertility condition on saline-alkali soil. The method comprises the steps of adding of improved fertilizer for the saline-alkali soil, land finishing, sowing, field management and harvest. The improved fertilizer for the saline-alkali soil comprises desulphurization gypsum, activated carbon, fly ash, plant stalkparticles, bentonite, zeolite, urea, ammonium phosphate and blast furnace slag particles with the proportion of (30-40):(10-14):(6-10):(16-18):(8-12):(4-8):(3-5):(3-5):(4-6). According to the method,the survival rate and yield of the salicornia europaea are high, the improvement effect on the whole saline-alkali soil is improved, and the improvement process is environmentally friendly and pollution-free. Therefore, the method is an application technology which is worthy of large-area popularization.

The invention discloses a special fertilizer for organic cultivation of green leaf vegetables and a preparation method of the special fertilizer. The special fertilizer is prepared from raw materialssuch as horseradish tree dregs, a calcium magnesium phosphate fertilizer, urea, peanut bran, lime powder and chelate through crushing, screening, fermentation, stirring and uniform mixing. The specialfertilizer comprises the following raw materials in parts by weight: 25-45 parts of horseradish tree dregs, 5-52 parts of peanut bran, 6-23 parts of the calcium magnesium phosphate fertilizer, 3-15 parts of urea, 0.1-2 parts of lime powder and 0.1-2 parts of the chelate. The special fertilizer is scientific and reasonable in formula, and weight percentages of the raw materials can be adjusted toprepare special fertilizers according to growth situations, so that nutrition of green leaf vegetables can be balanced, and the green leaf vegetables can grow well; in addition, soil environments canbe improved, the quality and the chlorophyll of the green leaf vegetables can be improved, and the special fertilizer is safe and free of pollution.

The invention discloses a bidirectional double-time bearing airtightness detection device with a turnover clamping platform, and relates to the technical field of bearing airtightness detection, in particular to a telescopic rod, a bearing lower sealing mechanism, a lower sealing disc assembly and a bearing upper sealing mechanism. A bottom plate is fixed at bottom of the telescopic rod. The bearing lower sealing mechanism is arranged above the bottom plate, the lower sealing disc assembly is arranged above the bearing lower sealing mechanism, and the bearing upper sealing mechanism is arranged above the lower sealing disc assembly. According to the bidirectional two-time bearing airtightness detection device with the turnover clamping platform, air blowing operation on a bearing is achieved through two methods, one method is from bottom to top, and the other method is from top to bottom, so that bidirectional two-time air tightness detection on the same bearing can be achieved, and the sealing conditions of the two ends of the bearing can be well detected. Therefore, the airtightness detection result of the bearing is more accurate, and the detection efficiency is greatly improved.

The invention belongs to the field of artificial wetland, and relates to a composite horizontal subsurface flow constructed wetland device. The device comprises a buffering selecting water distribution area, a water level variable treatment area, a biological trickling filter area and a water outlet area. The buffering selecting water distribution area comprises a water distribution area front baffle, a water distribution area rear baffle, a water distribution area left baffle, a water distribution area water distribution plate, a water distribution area bottom plate and a water inlet pipe; the water level variable treatment area comprises a treatment area front baffle, a treatment area rear baffle, a treatment area right baffle, a treatment area bottom plate, a siphon outer sleeve and a siphon inner water outlet pipe; the biological trickling filter area comprises a trickling filter area front baffle, a trickling filter area rear baffle, a trickling filter area left baffle, a trickling filter area right baffle, a trickling filter area lower water distribution plate, a trickling filter area upper water distribution plate and a trickling filter area vent hole; and the water outlet area comprises a water outlet area front baffle, a water outlet area rear baffle, a water outlet area left baffle, a water outlet area right baffle, an inclined bottom plate, a water outlet pipe and awater outlet area vent hole. The constructed wetland provided by the invention can improve the degradation efficiency of organic pollutants and nitrification efficiency of nitrogen.

The invention discloses a method for improving the conversion rate of a broiler feed. The method includes baby chick selection, pheasantry treatment, feeding management and pheasantry management. The method improves the absorption ability of broilers to nutrient substances in order to reduce the feed-to-meat ratio and improve the conversion rate of the feed, and the additional illumination effect of an LED red light and matching of the broiler feed with a metaplexis fruit-starch chelate according to a certain ratio promote the development of the growth of the thoracic muscle and thighs of the broilers to make the thoracic muscle and thigh meat of the broilers full.