天然石膏

它的某些性能远远优于天然石膏，是天然石膏的最佳替代品。

It is one of the best alternatives instead of natural gypsum .

天然石膏及其开发利用研究进展

Research development of natural gypsum and its exploitation

利用工业废渣&氟石膏代替天然石膏做矿渣水泥缓凝剂试验

Research on slag cement retarding agent with waste of industry , instead of native gypsum

研究了以磷石膏代替天然石膏生产纸面石膏板的工艺和配方。

The technology and the formula for manufacturing paper-faced plaster board from phosphogypsum were studied .

生产出来的产品质量完全可代替天然石膏空心条板，达到国家规定的技术标准，成本价格却大幅度下降，为深入推广使用这种高档墙体材料找到一条可行途径。

The products can fully replace natural empty planks of gypsum and reach the national standards .

结果表明，天然石膏板生命周期的环境负荷总量比脱硫石膏板高出6%。

The results showed that the total life cycle environmental load of the natural gypsum plasterboard .

分析了天然石膏的结构，阐述了三种石膏改性的方法及改性的机理。

Analyzed the structures of nature gypsums and presented three modified methods of gypsum and their mechanisms .

杂质对水泥性能影响不大，不经预处理作水泥缓凝剂，其性能与采用天然石膏的水泥相当。

The properties of cement with titanium gypsum are similar to those of Portland cement with natural gypsum .

磷石膏和天然石膏制备的半水石膏胶结材料微观结构与物理性能之间存在较大差异。

The microstructure and physical properties of phosphogypsum plaster are quite different from the natural gypsum plaster as well .

经测试，该产品完全可替代天然石膏空心条板，技术性能指标达到了国家规定的相关标准。

The kind of hollow batten whose performance indicators meet the national standards can replace the product made of natural gypsum .

并通过工程实例说明该系统煅烧天然石膏、磷石膏、脱硫石膏、氟石膏的各项工艺参数、原料成分、煅烧能耗及最终成品的检测数据。

Various technological parameters , compositions of raw materials , energy consumption of calcinations and testing data of final product were also illustrated by engineering examples .

采用正交试验法，确定了原料的最佳配比。制品各项指标达到天然石膏性能要求。

The optimum ratios of raw materials were determined by perpendicular testing method , and the final product was met the index requirements of natural gypsum .

本试验主要对用改性电石渣作水泥调凝剂与天然石膏作水泥调凝剂制高掺量混合材复合水泥诸多方面的性能进行比较。

The main purpose of the experiments is studying the composite cement clinker with the modified carbide and the natural gypsum and comparing physics performance between them .

优好牌粉刷石膏是以优质天然石膏和优质天然河砂为主料，添加高性能外加剂，经过精确计量配比混合而成。

We uses high-quality natural gypsum and high-quality natural sand as " UooHoo " brand gypsum 's main material , add performance additives and precisely measure the ratio .

结果表明，脱硫石膏用于制造石膏刨花板完全可行，其性能优于天然石膏生产的石膏刨花板，这为我国脱硫石膏的应用开辟了新的途径；

The results showed that desulpho gypsum could be used for producing gypsum particleboard ( GPB ) and the properties of GPB were better than that using nature gypsum .

磷石膏是生产磷酸的过程中产生的废渣，主要成分是二水硫酸钙，用来代替天然石膏作水泥调凝剂，是其资源化利用的主要途径。

Phosphogypsum ( PG ) is a waste by-product of phosphoric acid manufacturing , essentially calcium sulfate dihydrate . Its main utilization way is used as cement retarder instead of natural gypsum .

磷石膏与天然石膏相比含游离水较高，传统的磷石膏制建筑石膏粉一步脱水间接换热法工艺存在弊端。

The traditional technology of one-step dehydration with indirect heat transfer has some shortages in producing the building gypsum from phosphogypsum raw material because the free moisture of phosphogypsum is more than that of the natural gypsum .

本文叙述以氨循环实现天然石膏或磷石膏与氯化钾一步转化制取无氯钾肥&硫酸钾的实验室试验。

In the laboratory experiment one step conversion is carried out , in which potassium chloride is treated with natural gypsum or phosphogypsum in the presence of recycled ammonia and converted into a chlorine free potassic fertilizer , potassium sulfate .

对于可溶磷、氟含量较高的磷石膏，必须经过改性后方可使用，改性后的磷石膏可取代天然石膏，在保证水泥性能的前提下，可节省熟料，降低成本。

Phosphor-gypsum with high content of soluble phosphor and fluorine must be used after property modification . Property modified phosphor-gypsum can be used instead of natural gypsum , which can save clinker and cost under preconditions of cement property remaining guaranteed .

本文论述了利用工业石膏&柠檬酸渣作缓凝剂生产水泥的可行性和经济效益，说明工业石膏作缓凝剂与天然石膏具有同等效果，且提高了经济效益。

The feasibility and economic benefit of using industrial gypsum-citrate residues as setting retarder to produce cement have been gi - ven in this paper , it shows that industrial gypsum as setting retarder has the same results and increases economic benefit in contrast to natural gyp - sum .

天然硬石膏水化硬化及活性激发研究

Study on Hydration and Hardening of Natural Anhydrite and Its Activation

天然硬石膏基粉刷石膏的研制

Development of plastering gypsum made of natural anhydrate

本中还对细度与激发剂对天然硬石膏的改性机理进行了探讨。

It also discussed the fineness and activating agent in modification of natural anhydrite .

天然硬石膏超微粉体表面多层包覆改性影响因素正交分析

Surface Coating of Superfine Powders of Natural Anhydrite and Orthogonal Analysis on Its Effective Factors

本文研究了细度与激发剂对天然硬石膏的水化及其硬化体性能的影响。

This paper has studied the influence of fineness and activating agent on hydration and character of hard body for natural anhydrite .

正面，作为一个外部的复合保温系统，具有“天然石材石膏”的表面。

The facade , which serves as an outside composite thermal insulation system , was provided with a " natural stone plaster " surface .

天然硬石膏活性激发及胶结材的制备本中还对细度与激发剂对天然硬石膏的改性机理进行了探讨。

Study on Improving Activity of Natural Anhydrite and Making Cementation ; It also discussed the fineness and activating agent in modification of natural anhydrite .

选取硫酸钾作为激发剂对天然硬石膏进行活性激发，并分别掺入硅酸盐水泥与半水石膏进行改性。

Choosing potassium sulfate as an activator to stimulate the activity of natural anhydrite , and modified its properties by adding Portland cement and hemihydrate gypsum respectively .

硅烷偶联剂改性二水石膏粉填充树脂基人造大理石的应用研究本中还对细度与激发剂对天然硬石膏的改性机理进行了探讨。

Manufacture Artificial Marble with Silane Coupling Agent Modified Dihydrate Gypsum Powder and UP Resin It also discussed the fineness and activating agent in modification of natural anhydrite .

试验表明，在一定细度下，天然硬石膏有水化硬化性能，但由于其溶解速度慢，因此水化程度不高，强度低。

Experiments indicated that if fineness is invariable , the natural anhydrite has hydration-hardening property , but because of the low solubility , its degree of hydration and strength are low .