33results about How to "Achieve environmental friendliness" patented technology

The invention discloses inner column type umbrella-shaped expanding equipment and an expanding method thereof. The inner column type umbrella-shaped expanding equipment comprises an umbrella-shaped expanding device and a plurality of longitudinally-distributed inner columns; and the inner columns are pressure-bearing columns I or telescopic pressure-bearing columns or telescopic pull rods; when the number of the inner column is one, the inner column is located on the central axis of the umbrella-shaped folding rod set; when the number of the inner columns is larger than or equal to two, the multiple inner columns are distributed around the central axis of the umbrella-shaped expanding body device; the inner columns are combined or independently arranged; the combined arrangement of the inner columns comprises combined arrangement of a tie bar disc and the front end of the inner column and / or combined arrangement of a tie bar penetrating disc and the rear end of the inner column; when the inner columns are the pressure-bearing columns I, one ends of the pressure-bearing columns I are hinged to the front ends or the rear ends of all the folding rods, and the other ends of the pressure-bearing columns I are located between the front end and the rear end of the umbrella-shaped folding rod set; and when the inner columns are the telescopic pressure-bearing columns or the telescopicpull rods, the two ends of the telescopic pressure-bearing columns or the telescopic pull rods are fixedly connected with the front end and the rear end of the umbrella-shaped folding rod set respectively. The inner column type umbrella-shaped expanding equipment and the expanding method thereof are used for achieving the purpose of optimizing the pre-collection type three-hinge pressure-bearing structure.

The invention discloses a natural polymer modified coated controlled release fertilizer and a preparation method thereof. The fertilizer comprises a fertilizer core layer and a coated layer positioned on the outside of the fertilizer core, wherein the material of the fertilizer core layer is formed from fertilizer particles, and the coated layer which is one layer or two layers and is a two layered coated controlled release fertilizer is a cellulose layer and a hydrophobic film. The coated controlled release fertilizer provided by the invention has a good controlled release performance, and simultaneously the film material has biodegradability, so an environmental problem brought by the controlled release film material is solved. A natural product cellulose is adopted to get rid of the dependence of the coated material on a petrochemical resource, so the sustainable development of the coated material is realized. The coated controlled release fertilizer, which has the advantages of improvement of the fertilizer utilization rate, environment pollution reduction, sustainable development, and the like, has a wide application prospect.