-
1.发明授权Ammonium nitrate containing fertilizer bodies having improved properties during storage and transportation 失效含硝酸铵的肥料在储存和运输过程中具有改善的性能
公开(公告)号：US4220463A
公开(公告)日：1980-09-02
申请号：US15227
申请日：1979-02-26
摘要： Ammonium nitrate containing fertilizer bodies such as crystals, pellets, prills, and the like, are provided individually throughout their entire surface with a uniform and substantially continuous coating of C.sub.12 -C.sub.18 alkylamine(s) in the solid state, and with a thin layer of mineral oil over said coating.
摘要翻译： 在其整个表面上分别提供含有硝酸铵的肥料体，例如晶体，丸粒，颗粒等，其具有固态的C12-C18烷基胺的均匀且基本上连续的涂层，并且具有薄层 矿物油在所述涂层上。
-
2.发明授权Ammonium nitrate containing fertilizer pellets and a process of making same having a coating of C.sub.12 -C.sub.18 alkyl amine(s) and an overcoat of mineral oil 失效含硝酸铵的肥料丸粒及其制备方法，其具有C {HD 12 {B {14 C {HD 18 {B烷基胺和矿物油外涂层
公开(公告)号：US4150965A
公开(公告)日：1979-04-24
申请号：US898331
申请日：1978-04-20
摘要： Ammonium nitrate containing fertilizer pellets provided individually throughout their entire surface with a uniform and substantially closed coating of C.sub.12 -C.sub.18 alkylamine(s) in the solid state, and with a thin layer of mineral oil over said coating.
摘要翻译： 含硝酸铵的肥料颗粒在其整个表面上分别提供了固态的均匀且基本上封闭的C12-C18烷基胺涂层，并且在所述涂层上具有薄层的矿物油。
-
公开(公告)号：US4500336A
公开(公告)日：1985-02-19
申请号：US390044
申请日：1982-06-18
IPC分类号： C05C13/00 , C07C273/02 , C05G3/00 , C05C9/00
CPC分类号： C07C273/02
摘要： A process for making granules containing urea as the main component by prilling or granulating a urea melt or an aqueous urea solution, which melt or solution may contain one or more other fertilizers, such as ammonium sulphate, ammonium dihydrogen phosphate and diammonium hydrogen phosphate, in solution and/or suspension. According to the invention, a water-soluble aluminum salt is added to the melt, solution or suspension to be prilled or granulated. Preferably the aluminum salt is added in a quantity equivalent to at least 0.1% by weight of Al.sub.2 O.sub.3, calculated on the solid content of the melt, solution or suspension.
摘要翻译： 通过造粒或造粒尿素熔体或尿素水溶液来制备含有尿素的颗粒的方法，其中熔融物或溶液可以含有一种或多种其它肥料，例如硫酸铵，磷酸二氢铵和磷酸氢二铵，在 溶液和/或悬浮液。 根据本发明，将水溶性铝盐加入待造粒或造粒的熔体，溶液或悬浮液中。 优选地，铝盐的加入量相当于以熔体，溶液或悬浮液的固体含量计算的至少0.1重量％的Al 2 O 3。
-
公开(公告)号：US4219589A
公开(公告)日：1980-08-26
申请号：US908512
申请日：1978-05-22
CPC分类号： C05C9/005 , B01J2/16 , Y10S159/03 , Y10S159/21
摘要： Urea granules are prepared by spraying an aqueous urea solution having a urea concentration of 70-99.9% by weight on to fluidized urea nuclei in the form of droplets having a mean drop diameter of 20-120 .mu.m at a temperature at which the water is evaporated from the solution sprayed on to the nuclei and urea crystallizes on the nuclei to form granules having a desired size.
摘要翻译： 尿素颗粒是通过将尿素浓度为70-99.9重量％的尿素水溶液以平均液滴直径为20-120μm的液滴的形式喷洒到流化的尿素核上，在水的温度为 从喷雾到核上的溶液蒸发，尿素在核上结晶，形成具有所需尺寸的颗粒。
-
公开(公告)号：US4316736A
公开(公告)日：1982-02-23
申请号：US125497
申请日：1980-02-28
摘要： Stabilized NH.sub.4 NO.sub.3 containing granules are produced by dissolving in an aqueous NH.sub.4 NO.sub.3 solution Mg(NO.sub.3).sub.2 and, if desired, suspending mineral filler, spraying the resulting solution or suspension over nuclei maintained in spaced interrelationship and contacted with a hot stream of gas at a temperature of the nuclei of between 120.degree. and 135.degree. C., and cooling the resulting granules in such a manner that, between 70.degree. C. and 50.degree. C., they remain substantially homogeneous in temperature.
摘要翻译： 通过溶解在NH 4 NO 3溶液Mg（NO 3）2水溶液中，并且如果需要，悬浮矿物填料，将所得溶液或悬浮液喷雾在保持间隔开的相互关系的核上并在温度下与热气流接触的情况下制备稳定的含NH 4 NO 3的颗粒 的细胞核温度在120℃至135℃之间，并将所得颗粒以70℃至50℃的方式冷却，它们在温度上保持基本均匀。
-
公开(公告)号：US4241692A
公开(公告)日：1980-12-30
申请号：US898330
申请日：1978-04-20
IPC分类号： B29B9/16 , A61J3/06 , B01F9/00 , B01F9/02 , B01F13/10 , B01J2/00 , B01J2/10 , B05B13/00 , B05C3/08 , B05C7/04 , B29B9/00 , B29B9/12 , B29B15/00
CPC分类号： B01J2/006 , B01F9/0007 , B01F9/025 , B01F2013/1094
摘要： An apparatus for coating pellets, such as prills, granules and the like, with a liquid coating agent, which comprises a cylindrical, obliquely disposed drum arranged for rotation about its longitudinal axis, said drum comprising means at or adjacent its higher end for the supply and input of pellets to be coated and for supplying and spraying or atomizing said liquid coating agent over the pellets introduced, and means at or adjacent its lower end for the output and discharge of coated product pellets, and further is provided with partitions arranged transversely to the axis of rotation and dividing the drum into compartments, each of said partitions having a passage opening located eccentrically relative to the axis of rotation and so that the passage openings in each pair of partitions defining a compartment are peripherally offset relatively to each other.
摘要翻译： 一种用于用液体涂覆剂涂覆颗粒如颗粒，颗粒等的装置，其包括布置成围绕其纵向轴线旋转的圆柱形倾斜设置的滚筒，所述滚筒包括在其较高端处或邻近其供应的装置 并输入待涂覆的颗粒，并将所述液体涂覆剂供给和喷雾或雾化在引入的颗粒上，以及在其下端处或其下端附近的用于输出和排出涂覆产品颗粒的装置，并且还设置有横向于 旋转轴线并将滚筒分成隔室，每个所述隔板具有相对于旋转轴线偏心地设置的通道开口，并且使得限定隔室的每对隔板中的通道开口在外围相对偏移。
-
公开(公告)号：US4525198A
公开(公告)日：1985-06-25
申请号：US474477
申请日：1983-03-11
IPC分类号： C05C9/00
CPC分类号： C05C9/005
摘要： The production of urea granules by prilling or granulating a urea melt or an aqueous urea solution, which melt or solution contains a magnesium oxide containing additive. The urea granules thus obtained exhibit a high crushing strength, a high apparent density, and a very low caking tendency, and are suitable for bulk blending with single and triple superphosphate granules.
摘要翻译： 通过造粒或造粒尿素熔体或尿素水溶液来生产尿素颗粒，所述溶液或溶液含有含氧化镁的添加剂。 由此获得的尿素颗粒显示出高的抗碎强度，高的表观密度和非常低的结块倾向，并且适用于单过滤和三过滤磷酸盐颗粒的大量混合。
-
公开(公告)号：US4123570A
公开(公告)日：1978-10-31
申请号：US811434
申请日：1977-06-29
CPC分类号： C05C9/02
摘要： Preparation of ureaform granules. A concentrated aqueous solution of a urea-formaldehyde condensate is mixed with a catalyst which at normal temperature effects virtually no acid condensation, but a elevated temperature releases sufficient strong acid to effect the acid condensation in a few seconds. The mixture of solution and catalyst is sprayed over solid ureaform particles maintained in spaced interrelationship and at such a temperature that the catalyst is decomposed and effects acid condensation, whereby the sprayed particles are coated with a layer of ureaform and dried.
摘要翻译： 尿素颗粒的制备 将脲 - 甲醛缩合物的浓缩水溶液与常温下的催化剂混合，几乎不发生酸冷凝，但升高的温度释放足够的强酸，以在几秒钟内发生酸冷凝。 将溶液和催化剂的混合物喷雾在保持间隔相互关系的固体脲型颗粒上，并在催化剂分解并进行酸冷凝的温度下喷射，其中喷雾的颗粒被涂覆有尿素层并干燥。
-
公开(公告)号：US4478632A
公开(公告)日：1984-10-23
申请号：US393656
申请日：1982-06-30
CPC分类号： B01J2/16 , B01J2/30 , C05C9/005 , F24D17/0078
摘要： A process for making granules containing urea as the main component by spraying an aqueous urea solution having a urea concentration of 85-98% by weight, to which solution magnesium hydroxide, an inorganic magnesium salt or a mixture of such substances has been added as a crystallization retarder for the urea, and which solution optionally contains one or more other fertilizers in solution and/or suspension, is sprayed in the form of very fine droplets having an average diameter of between 20 and 120 micron into a fluidized bed of urea particles at a temperature at which the water on the solutions sprayed onto the particles is evaporated, and urea or urea containing material solidifies on the particles, to form granules having a desired size. The urea granules thus produced are compatible with single and triple superphosphate granules.
摘要翻译： 通过喷雾尿素浓度为85-98重量％的尿素水溶液制成含有尿素作为主要成分的颗粒的方法，向其中加入氢氧化镁溶液，无机镁盐或这些物质的混合物作为 用于尿素的结晶缓凝剂和任选地在溶液和/或悬浮液中含有一种或多种其它肥料的溶液以平均直径为20至120微米的非常细小的液滴的形式喷雾到尿素颗粒的流化床中 喷雾到颗粒上的溶液上的水蒸发，并且含有尿素或尿素的物质固化在颗粒上，形成具有所需尺寸的颗粒的温度。 如此生产的尿素颗粒与单过磷酸钙和三过磷酸钙颗粒相容。
-
-
-
-
-
-
-
-
搜索结果
9 条记录 (耗时 0.012 秒)
