成粒
- granulation;graininess;shot
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[shot] 使熔融金属从小孔喷射出来而成为颗粒状的过程或用这一过程生产(弹丸等)
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从成粒率和颗粒粒度两方面综合考虑,过40目筛(0.37mm)的原料成粒效果最好;
Considering from the points of granulation ratio and granularity , the materials sieved by 40 mesh sieve has the best granulation property .
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本文着重论述了近年来在混合造粒技术机理方面的研究进展,特别是粘结剂对于成粒过程和产品质量的影响,并对造粒过程中的控制条件优化进行了评述。
The mechanisms of multi-component , especially the influences of binder on the product and the process of granulation were reviewed and the conditions of controlling were compared and predicted .
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本文以聚氯乙烯悬浮聚合分散剂的应用研究为背景,针对PVC树脂的颗粒特性,分析其成粒机理及影响因素。
The mechanism of nucleation and the influencing factor was investigated according to the particle feature of PVC resin .
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新型乳液聚合制备疏松PMMA树脂及成粒机理
Preparation of porous PMMA resin by a new emulsion polymerization process and the mechanism of particle formation
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一次粒子聚集成粒径30~50nm、质量分形维数Dm≈27的二次粒子。
Primary particles are aggregated into 30 ~ 50nm secondary particles with mass fractal dimension D m ≈ 2.7 .
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结果表明,在此条件下制得的复混肥抗压强度为27.8N,总有效养分为31.6%,pH值6.2,成粒率95.8%。
The result indicates that the pressure resistant strength of the compounded & mixed fertilizer is 27.8 N under this condition , the total effective nutrient 31.6 % , pH value 6.2 , granularity rate 95.8 % .
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结果表明通过RAFT活性可控聚合手段得到两亲性聚合物分子具有很好的自组装行为,能够自组装成粒径200nm左右的具有核-壳结构、结构规整的球状颗粒。最大物质包裹效率达到58.8%。
The results show that the amphiphilic polymers have good self-assembly behavior whose particle size is about 200 nm , and Maximum package efficiency of 58.8 % .
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针对提高聚合温度,降低聚合度,同时使PVC孔隙率降低的矛盾,本文根据PVC树脂的成粒机理,进行了疏松少皮低聚合度PVC树脂的合成配方设计。
Aiming at decreasing polymerization degree as well as increasing porosity and basing on the well-known particle formation mechanism of vinyl chloride suspension polymerization , synthesis recipe of PVC resin with low polymerization degree , high porosity and less skin was designed .
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3种粘结剂的造粒成粒率均大于93%,返料率小于12%,且用量不超过1%,肥料颗粒平均抗压碎力大于10N,优于国家标准。
Three binders ' granulation rates were more than 93 % . Their return product rates were less than 12 % . And their dosages all not exceeded 1 % . Their average granular resistance forces to crushing were greater than 10N , which had advantage over the National Standard .
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阐述低浓度复肥与高浓度复肥成粒的不同特点。
The characteristics of low and high analysis compound fertilizers are expounded .
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氯乙烯悬浮聚合的宏观成粒过程
The Formation of Grain in Suspension Polymerization of Vinyl Chloride
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玉米籽粒类型及其与成粒的关系
A Study of Relationships Between Types of Corn Grain and Their Formation
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在所用的高温下,固体事先成粒,带出量降低。
At the high temperature used solids are pelletized , carry-over is lowered .
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磷石膏作水泥缓凝剂及其成粒工艺研究
Study on the palletizing process for the use of phosphorous gypsum as cement retarder
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悬浮聚合法制备墨粉的粒度控制及成粒机理分析
Control of Particle Size and Analysis of Forming Process of Toner Particles Prepared by Suspension Polymerization
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一种近似歇斯底里症的状态流态化造粒,成粒近似球形,流动性好。
Fluidized Granulation , the granule is around ball shape . Its flow ability is good .
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液滴在高压电场的作用下将分散成粒径细小的均匀雾滴。
Through a high-potential electric field the liquid drop will disperse into uniform micro-diameter spray droplets .
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每穗成粒数减少是推迟播栽期引起水稻减产的主要原因,其次是千粒重的下降和成穗数的降低。
In addition , the reduce of1000-grain weight and ripened panicles also contribute to the yield decrease .
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二次颖花的成粒率受气候及管理水平影响较大;
The setting ratio of spikelets on secondary rachis branch was more subject to climate and management .
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MMA/BA无皂乳液聚合机理研究&三阶段成粒机理
Studies on Emulsifier free Emulsion Polymerization Mechanism of MMA / BA Three stage Mechanism for Particle Formation
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悬浮-乳液复合聚合聚苯乙烯-聚甲基丙烯酸甲酯复合粒子的颗粒特性和成粒机理
Particle features and formation mechanism of polystyrene-poly ( methyl methacrylate ) composite particles prepared by suspension-emulsion combined polymerization
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MMA/BA/聚乙二醇马来酸单酯钠盐无皂乳液聚合的成粒机理
Particle Formation Mechanism in the Emulsifier free Emulsion Polymerization of MMA / BA / Sodium Polyethylene Glycol Maleate
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造粒通常是在辊子造粒机中将压饼破碎成粒完成的。
Corning is accomplished by breaking up the press cakes into grains , usually in roll corning mills .
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介绍了以熟石灰、水泥熟料、熟石膏为助剂的成粒工艺。
The palletizing process with slaked lime , cement clinker and calcined plaster as additive was also introduced .
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丙烯腈水溶性对偏氯乙烯/丙烯腈/苯乙烯三元悬浮共聚合成粒机理的影响
Effects of Water Solubility of Acrylonitrile on Particle Formation Mechanism of Vinylidene Chloride / Acrylonitrile / Styrene Suspension Polymerization
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介绍成粒曲线及其应用(即生产中如何通过改变一些操作条件使成粒点处于成粒曲线范围内);
Granulating curve and its application are also presented so as to make granulating point into the range of granulating curve .
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结论:钻井废泥浆作为肥料添加剂成粒性较好,可初步用于制作复混肥。
Conclusion : Granulated capability which disperse drilling mud as fertilizer addition is good , disperse drilling mud can be primarily used as fertilizer addition .
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流态化造粒,成粒近似球形,流动性好。粒子的另一分类叫做电荷多重态。
Fluidized Granulation , the granule is around ball shape . Its flow ability is good . Another particle grouping is referred to as charge multiplets .
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根据专用树脂的颗粒特性,在已有氯乙烯悬浮聚合成粒机理基础上,设计了大口径管材专用树脂成粒路线:采用特定的分散体系并结合连续添加分散剂工艺和搅拌模式。
A particle formation course of pipe grade PVC resin was designed as : using specific dispersant system , specific dispersant injection mode and specific agitation mode .
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从产量结构看每穗成粒数是主要原因,平均优势分别为11.6%和9.8%;
From the aspect of yield components , the increase of seeds per panicle contributed the most , with average dominants 11.6 % and 9.8 % , respectively ;