共查询到20条相似文献,搜索用时 31 毫秒
1.
受国家质量技术监督局锅炉压力容器安全监察局的委托,中国化工装备协会对2000年压力容器制造许可证换证单位中的30个企业进行了换证检查。这次检查的主要依据是“(2000)质技监锅便字第3090号文”和《锅炉压力容器制造单位资格认可与管理规则》(以下称《规则》)等文件、法规。检查工作分五个小组于2000年7月19日开始至8月31日结束。检查组本着对国家质量技术监 相似文献
2.
3.
4.
劳动部根据国务院《锅炉压力容器安全监察暂行条例》的规定,压力容器制造许可证有效期为四年,期满应进行换证审查。为此,对1994年全国第三类压力容器制造许可证到期的单位作了统一安排。换证工作在国务院有关部、总公司业务主管部门和有关省、自治区、直辖市劳动部门、主管部门的大力支持和密切配合下已顺利完成。 相似文献
5.
6.
在“1998年度压力容器制造许可证换证工作总结会”上,北京京安技术服务公司刘长治高工、中国化工装备协会羡燕扬高工代表换证检查工作组做了换证检查情况报告,报告详细列举了检查中发现的各类问题并提出了整改建议,本刊现摘发报告内容,供各压力容器制造企业参考。 相似文献
7.
为了确保锅炉、压力容器安全运行,保障人民生命和国家财产的安全,国务院和国家劳动总局先后颁发了《锅炉压力容器安全监察暂行条例》、《容器安全监察规程》和《锅炉压力容器安全监察暂行条例及实施细则》等法规。这些法规的贯彻实施有力地扭转了任意设计、制造锅炉和压力容器的混乱局面,便锅炉、压力容器的设计和制造走上了正常的轨道。两年多来的贯彻实施,已有一批设计单位和制造厂家已取得了一类、二类或三类压力容器设计或制造许可证;一些单位和企业正在为取证积极创造条件;有的单位承揽了援外工程项目的设计 相似文献
8.
9.
阐述了在D级压力容器制造许可证取换证鉴定评审过程中,取换证制造企业存在的较为普遍的问题。 相似文献
10.
有关压力容器制造单位: 为了进一步提高焊接责任工程师的素质,加强焊接管理系统的质量控制,保证压力容器的产品质量,经国家质量监督检验检疫总局锅炉压力容器安全监察局同意,决定于2002年始开展对压力容器制造单位焊接责任工程师进行培训考核的工作。为此,我协会制定了《压力容器制造单位焊接责任工程师培训考核管理办法》印发给你们,请组织贯彻实施。 附件:压办容器制造单位焊接责任工程师培训考核管理办法 相似文献
11.
12.
The demand for hydrogen is ever growing, with major applications in refinery use and as component in synthesis gas for manufacture of methanol, ammonia and GTL products. Fuel cell applications represent an emerging market, and a hydrogen economy with a hydrogen fuelled automotive sector could result in a large demand for hydrogen. Recent developments in hydrogen manufacture by steam reforming focusing on energy efficiency and steam reformer development are presented together with challenges for the future integration with fuel cell applications and issues surrounding CO2 sequestration. 相似文献
13.
14.
1 概 述 二氢松油醇为无色透明液体,bp110°/4.0kPa,密度d2040.905~0.913,折光率n2041.462~1.467,具有丁香香气,白柠檬样。可直接大量地用于香精生产;又可作溶剂,用于蒽酿法双氧水的生产。原生产工艺存在含量偏低,收率偏低等问题,为此,本研究对二氢松油醇的生产工艺进了详细的探讨,并获得了较好的效果。2生产工艺2.1 反应原理 松油醇在催化剂的存在下,加氢反应生成二氢松油醇,反应式如下:2.2 工艺-间歇式液相催化加氢反应2.2.1骨架Ni催化剂的制取 先将含镍量30~… 相似文献
15.
16.
综述了用作氟聚合引发剂的全氟丙酰过氧化物的合成工艺:由全氟环氧丙烷在碱性条件下异构化制得全氟丙酰氟,由R225ca经光化学反应、或由氟丙羧酸氯化合成全氟丙酰氯,然后由前驱体全氟丙酰氟或全氟丙酰氯进行过氧化制得全氟丙酰过氧化物.在分析了各步反应工艺优缺点的基础上,提出了适合的全氟丙酰过氧化物的制备工艺路线:采用羧酸氯化制备全氟丙酰氯的工艺路线、再结合反应精馏技术,使反应和分离过程一体化,实现目标产物全氟丙酰过氧化物的合成和有效分离. 相似文献
17.
18.
A. V. Mironov O. L. Vedenina G. A. Vikhoreva N. R. Kil’deeva A. I. Albulov 《Fibre Chemistry》2005,37(1):22-25
Conditions for dry-wet spinning of spherical chitosan granules 0.5–2.0 mm in diameter into a two-layer spinning bath consisting of immiscible liquids are proposed, where an organic liquid, decane in particular, is the upper layer of the bath while a solution of ammonium hydroxide is the lower layer. The possibility of obtaining chitosan microgranules from 2 to 30 µm in diameter by emulsification of a solution of chitosan in decane or a solution of an anion-active surfactant — sodium dodecyl sulfate — is demonstrated. The effect of the molecular weight and concentration of the solutions on the granule-forming power of chitosan is established. A 6% solution of chitosan with a molecular weight of 200 kD is recommended for further studies.__________Translated from Khimicheskie Volokna, No. 5, pp. 26–29, January–February, 2005. 相似文献
19.
Michael Cable 《Journal of the American Ceramic Society》1999,82(5):1093-1112
Mechanization of glass manufacture had just begun in 1898 but was accelerating. Notable advances were soon to be made in all branches of the industry, many of them in the United States, and have continued to the present day. M. J. Owens occupies a unique position as the inventor of the first successful fully automatic container machine in 1903; he was also involved in several other important developments. However, within 20 years, machines fed with gobs supplied by the Peiler forehearth and gob feeder, also American inventions, became successful competitors. From about 1930 to 1960, a wide variety of machines was used to make containers, but these have been superseded nearly everywhere by the individual section machine, another American invention. The Lubbers process for sheet glass cylinders was an early success in 1903. About 12 years later the direct drawing of flat sheet was developed almost simultaneously by Fourcault in Belgium and Colburn in the United States. The Pittsburgh process followed a few years later. Ford was the first to succeed in making continuously cast plate, but Pilkington in the United Kingdom soon exploited that process to make much wider cast plate. At that time Pilkington also developed the simultaneous grinding of both faces of the continuous ribbon. The invention and development of float glass by Pilkington in the 1950s has made all other flat glass processes obsolete for most purposes. Owens-Corning has played a major role in the glass-fiber industry since its beginnings in the 1930s. The most important advance in manufacture of optical glass was the small continuous tank with vigorous stirring developed by Corning Glass Works. Corning also made other notable advances, such as the ribbon machine for lamp bulbs and the lamination process used for Corelle ware. 相似文献
20.