49results about How to "Easy for mechanical work" patented technology

The invention relates to a humic acid synergia compound fertilizer and a preparation method thereof. The method comprises the steps of: preparing a humic acid synergia solution, preparing a granulating material, coating an enveloping layer and drying, screening, cooling and the like. A humic acid synergist disclosed by the invention has the characteristics of being trace and efficient, low in addition volume, free from influence on nutrient content of the fertilizer, and favorable for regulation on the formula, and has the advantages of being high in output, low in cost, good in effect and the like. With the coated humic acid synergia compound fertilizer, the nitrogen utilization efficiency can be improved by 5-10 percentage points by inhibiting the soil urease activity; phosphorus, potassium and medium trace elements in soil can be activated; the absorption of crops is enhanced; and the humic acid synergia compound fertilizer has the characteristics of being excellent in slow release performance, high in utilization rate of butrients in season, and environment-friendly, and is wide in application prospect in specific production practice.

The invention relates to a polyurethane modified asphalt waterproof paint, which is composed of the following raw materials by weight: 25-30 parts of a polyurethane prepolymer; 70-75 parts of 90# petroleum asphalt; 40-60 parts of water; 20-25 parts of polychloroprene latex; 4-7 parts of an emulsifier; 2-4 parts of polyvinyl alcohol; 1-3 parts of a coupling agent; 1-2 parts of polypropylene glycol;3-5 parts of trihexyl o-acetylcitrate; 0.1-0.5 part of pentaerythritol ester of hydogenated rosin; 1-3 parts of polyacrylamide; and 10-15 parts of modified nano calcium carbonate. The polyurethane modified asphalt waterproof paint prepared by the method provided by the invention has good film compactness and high stability, a waterproof layer formed by the waterproof paint in a building has largebonding strength with a building base surface and good waterproof effect, moreover, after modification, the product has substantially improved water tolerance, aging resistance, acid and alkaline resistance and the like, has a simple making process, and overcomes the disadvantages of tedious making, poor film compactness, poor waterproofness and aging resistance in previous water emulsified asphalt paint.

The invention relates to a modified asphalt waterproof paint for buildings. The modified asphalt waterproof paint is composed of the following raw materials by weight: 50-65 parts of 90# petroleum asphalt; 60-70 parts of water; 25-28 parts of styrene butadiene latex; 5-7 parts of an emulsifier; 2-4 parts of polyvinyl alcohol; 1-3 parts of a coupling agent; 5-7 parts of polyoxypropylene glycerol ether; 3-5 parts of triethyl citrate; 0.1-0.5 part of rosin glycerin ester; 1-3 parts of sodium polyacrylate; and 10-15 parts of modified nano calcium carbonate. The modified asphalt waterproof paint for buildings prepared by the method provided by the invention has good film compactness and high stability, can be used for buildings to form a waterproof layer, which has large bonding strength with the base surfaces of buildings and has good waterproof effect, moreover, after modification, the product has greatly improved water resistance, aging resistance, acid and alkali resistance and other properties, the making process is simple, and the modified asphalt waterproof paint overcomes the shortcomings of tedious making, poor film compactness, poor water resistance and aging resistance in previous water-emulsified asphalt paint.

The invention relates to a humic acid synergistic high-tower compound fertilizer and a production method thereof. The method includes steps as follows: preparation of a humic acid synergistic liquid, preparation of a humic acid-urea melting liquid, pretreatment of other fertilizers, graduation and the like. According to the humic acid synergistic high-tower compound fertilizer, active ingredients in a humic acid synergist have effects on promoting the growth of crops, inhibiting urease in the soil, influencing characteristics of chemical valence bonds of urea and preventing fixing of phosphorus and potassium, so that the yield of the crops and the utilization rate of the fertilizer are increased, the nutrient loss is reduced, and secondary pollution is avoided. According to the fertilizer, secondary processing doesn't exist, and the fertilizer has the characteristics of wide sources of raw materials, low possibility of deliquescence, convenience in transportation and application, simple production process, low cost, benefit to industrial popularization, and the like, thereby having a wide application prospect in production.

Antibacterial polyurethane-modified asphalt waterproof coating and a preparation method thereof are provided. The antibacterial polyurethane-modified asphalt waterproof coating is prepared from polyurethane prepolymer, No. 90 petroleum asphalt, modified nano calcium carbonate, 3-[2-(2-aminoethylamino)ethylamino]propyl-trimethoxysilane, a tackifier, n-butyl acetate, citric acid, dibutyltin dilaurate, polyoxyethylene polyoxypropylene ether, fumed silica, chitosan and 2-methyl-4-isothiazoline-3-one. The preparation method comprises: modifying No. 90 petroleum asphalt with polyurethane prepolymerand modified nano calcium carbonate; adding 3-[2-(2-aminoethylamino)ethylamino]propyl-trimethoxysilane, citric acid and n-butyl acetate into a reactor, and stirring well; adding chitosan, 2-methyl-4-isothiazoline-3-one, fumed silica, the tackifier and dibutyltin dilaurate, and stirring well; adding polyoxyethylene polyoxypropylene ether; continuing to stir until no powder floats; shearing all thematerials until good dispersion to obtain the coating.

The invention discloses a dry farming direct seeding planting method of rice, which comprises the steps of preparing sprinkling irrigation equipment: the lifting micro-sprinkling irrigation equipment is buried under to-be-planted ground for 30-40cm; processing a field: straws of last stubbles of crops on the to be planted ground are cut into sections, the lengths of the straw sections are 2-20cm, the straw sections are broadcast in soil, a base fertilizer is applied on the soil, and the soil is subjected to ploughing and rotary tillage; preparing rice seeds and seeding: the selected rice seeds are sown on the processed soil uniformly, and then the soil is compacted; and performing sprinkling irrigation: the lifting micro-sprinkling irrigation equipment buried under the ground is used for irrigating the soil sown with the rice seeds, and the water content of the surface of the soil is 40-60%. Therefore, the precision irrigation to the crops is realized; excess water accumulation in the rice field is avoided; and the utilization ratio of water resources is increased. In addition, the straws are turned into organic fertilizers with the passage of time; straw turnover is realized indeed; the method contributes to improving the yield and quality of grains; and environmental pollution due to straw burning is avoided.

The invention relates to a production method of an organic / inorganic compound fertilizer containing chelating trace elements. The production method comprises the following steps: preparation of a granulation material, preparation of a chelating trace element solution, preparation of a borax solution, preparation of mixed liquid, melting, granulation and the like. The method provided by the invention can be used for not only making full use of industrial waste, avoiding the secondary pollution and reducing the production cost, but also optimizing the efficient utilization of chemical nutrients; moreover, the method has the characteristics of wide source of raw materials, convenience in transportation and application, promotion of mechanical operation and the like as well as broad application prospect. The product can be used for improving the soil fertility and obviously increasing the crop yield.

The invention discloses a tea garden shading net covering cultivation method and a tea garden shading net covering cultivation device. The tea garden shading net covering cultivation device comprises a shading net frame and a double layer shading net releasing-retracting mechanism, wherein as shown in figure 1, the shading net frame is formed by connecting a main upright column and auxiliary upright columns through a dragging steel rope and a fixing steel rope, the span between each two auxiliary upright columns can reach 40-60m, the shading net frame is suitable for a large area tea garden due to the large span between each two auxiliary upright columns, the double layer shading net releasing-retracting mechanism is driven by a motor, and drives a shading net to release and retract a net line through a line coiling cylinder so as to complete releasing and retraction of the shading net, and the lower layer of the shading net is 2-2.2m far away from the ground, and facilitates production operation in the tea garden. The double layer shading net is provided with two layers which are respectively low and high in shading coefficient, and then the layer low in shading coefficient can be used in spring and autumn, the layer high in shading coefficient can be used in summer and winter, and even the two layers of the double layer shading net can be used simultaneously in the winter so as to reduce frost or low temperature freeze injury, and furthermore correct management and use of the tea garden shading net covering cultivation method and the tea garden shading net covering cultivation device can facilitate improvement of growing environment of the tea garden at all seasons, prolong a picking period of tea leaves, and improve tea quality.

The invention relates to humic acid urea and a preparing method thereof. The preparing method includes: firstly preparing humic acid synergistic liquid, then adding the humic acid synergistic liquid into urea melt liquid during urea producing, and finally performing high tower cooling granulation on mixture of the humic acid synergistic liquid and the urea melt liquid to obtain the humic acid urea. The humic acid urea has the advantages of being high in nitrogen content and productivity, low in cost, good in effect, suitable for field crops, easy to popularize and use and the like. In production practice, the humic acid urea reduces ammonia volatilization loss by restraining soil urease activity, has the characteristics of being excellent in slow release performance, high in in-season nutrient use ratio, environment-friendly and the like, is simple in manufacture technology, wide in raw material sources, easy to operate, low in cost, high in productivity and environment-friendly, and has wide application prospect in specific production practice.

The invention discloses a labor-saving and mechanized pear orchard establishing method for south China, which comprises the steps of arrangement of roads and drainage systems, land preparation and bedding, construction of shaping frames, selection of variety and specification of seedlings, field planting of the seedlings, and management after field planting. Aiming at the restraining factors suchas high underground water level, heavy soil, dispersed planting and high labor cost caused by rainy weather of the pear orchard production areas in south China, the labor-saving and mechanized pear orchard establishing method provided by the invention is characterized in that the orchard roads and the drainage systems are strictly arranged to solve the problem of mechanical impassability and difficult drainage, the seedlings are reasonably selected for field planting, and the management of the seedlings after field planting is controlled, so that the growth uniformity of fruit trees is improved, early production of the pear trees is realized, and the yield and quality of the fruits are improved.

The invention provides a method for cultivating bulbus fritillariae ussuriensis, and belongs to the field of bulbus fritillariae ussuriensis cultivation. The method comprises the steps of soil selection, soil preparation, seed selection, seed planting treatment, bulbus fritillariae ussuriensis cultivation, fertilization, bed fertilizer supplementation, water supplementation, bulbus fritillariae ussuriensis flower removal, stem breaking and field closing. For bulbus fritillariae ussuriensis cultivation, 0.05 m of land edge is made at the edge of the flat ground to serve as a first group of marked lines; the first group of marked lines are arranged at an interval of 2.2 m to form a cultivation area I, the right side lines of the cultivation area I are arranged at an interval of 0.3 m to forma mechanical operation channel, and a second group of marked lines is made; the second group of marked lines are arranged at an interval of 1m to form a second cultivation area, the right side linesof the second cultivation area are arranged at an interval of 0.3 m to form a mechanical operation road, a third group of marked lines is made, the third group of marked lines is arranged at an interval of 2.2 m to form a third cultivation area, the right side lines of the third cultivation area are arranged at an interval of 0.3 m to form a sidewalk, and a fourth group of marked lines is made; and during sowing, furrowing is adopted for sowing, the furrow depth is 0.05-0.07 m, and the furrow bottom is kept flat. The method has the advantages that the land utilization rate can reach 70% or above by adopting a bedding furrow sowing method, the land utilization rate is increased, benefits are high, mechanical operation is facilitated, and the effect is saved.