化工工艺

Through repairing the fixed bed calandria reactor during the molten salt leakage test in 2×104 t/a cis-butenedioic anhydride unit in Lanzhou Petroleum and Chemical Corporation,a pack of reasonable,practical and feasible technologic means was found to confirm the leakage points caused by molten salt and to repair it in reactor.

通过对兰州石油化工公司2×104t/a顺酐装置中的固定床列管式反应器熔盐渗漏的返修，摸索出一套实用、合理可行的熔盐渗漏漏点确认以及返修的工艺方法，可为类似反应器的制造提供一定的借鉴。

Cinnamomum CaphoraPrest is of high economic value and is used widely.

樟树用途广，经济价值高，其主、副产品广泛应用于建筑、工艺、化工、军工、医药等方面。

With a wide source of raw materials,simple process of synthesis,low cost,little pollution and similar metallurgical performance to pine camphor oil,the ester ether frother has been synthesized from by products of petrochemical industry.

醚酯类起泡剂是一种以石油化工副产品为原料的合成起泡剂，原料来源广、合成工艺简单、成本低、污染少，浮选指标和2＃油相近。

ABSTRACT With a wide source of raw materials,simple process of synthesis,low cost,little pollution and similar metallurgical performance to pine camphor oil,the ester ether frother has been synthesized from by products of petrochemical industry.

醚酯类起泡剂是一种以石油化工副产品为原料的合成起泡剂，原料来源广、合成工艺简单、成本低、污染少，浮选指标和2#油相近。

Nano germproof stainless steel plastic mulriple tube,whose outside layer is ultrathin tube, inside layer is a material nano germproof stainless steel plastic mulriple tube, center layer is a plastics material,has the feature of light,builtful, erodeproof,germproof and so on .It has been widly used in the field of water supplying,heating,food, medicament,petrlion,gas transferring and so on.

项目介绍：纳米抗菌不锈钢塑料复合管，外层为超薄壁不锈钢（SUS304）管，内层为纳米抗菌材料与塑料共混，中间层为塑料材料和热熔粘接剂，形成四层结构的纳米抗菌新型复合管材，具有重量轻、外表美观、耐腐蚀、无毒卫生、长效抗菌、耐热保温、使用寿命长、生产工艺先进等优点，广泛应用于供水、采暖、食品、医药、石油、化工、气体输送等各个领域。

The glyoxalic acid is a kind of important industrial chemical, it has ten different production methods.

乙醛酸是一种重要的化工原料，有十余种不同的生产方法，简单介绍了其目前的主要生产工艺和技术进展情况。

Vacuum belt hydroextractor （also named fixed rubber belt vacuum filter） is a new solid-liquid separating equipment with high efficiency and continuous operation, based on introduction, assimilation and digestion of the techniques of the same products overseas. It has achieved solid-liquid separation by making full use of material gravity and vacuum suction. In terms of its structure, filtering section is arranged horizontally lengthwise, and length of filtering section can be fully used to fulfill in turn such a process covering filtering, rinsing and sucking up, with advantages of high filtering efficiency, productivity, good rinsing effect, wide application range, simple operation, stable running, convenient maintenance and service.

真空皮带脱水机也叫固定真空室式橡胶带式过滤机；是我公司在引进、消化和吸收国外同类产品技术基础上，研制的一种新型、高效、并可连续操作的固液分离机械设备，同时它也是一种充分利用物料重力和真空吸力实现固液分离的机械设备；在结构上真空区沿水平方向布置，利用真空区的长度可以连续完成过滤、洗涤、吸干等不同工艺过程，具有过滤效果高、生产能力大、洗涤效果好、应用范围广、操作简单、运行平稳、维护保养方便等优点；特别适合于过滤固相颗粒粗、密度大及滤饼需要多次洗涤的悬浮液料浆，可以广泛应用于冶金、矿山、化工、造纸、食品、制药及环保等工业部门的固液分离；尤其在湿法烟气脱硫中的石膏脱水方面有着很好的应用。

One (1) pumps Products: submersible pump, jet pump, drainage pump, sewage pumps for civilian use; end suction pumps, in the open pumps, booster pumps, fire pumps for industrial and commercial; centrifugal pump, diaphragm pump, column Cypriot pump applicable to agriculture; desalination pump, reciprocating pump, axial flow pump for municipal construction; bilge pumps, cooling pumps, sewage pumps, high pressure washing pump, water pump for sea; purification and filtration equipment: FLECK valves for the boiler water softener system, reverse osmosis pretreatment system installations, domestic and commercial water softener system; STRUCTURAL cans resin applied to sand filters, commercial water softener, ion exchange, multi-media filtration, activated carbon filtration; CODELINE Hymenolepis apply to sea water, bitter, salt water desalination projects, power plant boiler supply water treatment industry, chemical industry process water, electronics, semiconductor industry, ultrapure water treatment, metallurgy, light industry, electroplating industry wastewater treatment, food and beverage, health care; swimming pools and water features equipment for spa, swimming pools, large baths and so on.

其中泵类产品：潜水泵、喷射泵、排水泵、污水泵适用于民用；端吸泵、中开泵、增压泵、消防泵适用于工业和商用；离心泵、隔膜泵、柱塞泵适用于农业；脱盐泵、往复泵、轴流泵适用于市政建设；舱底泵、冷却泵、污水泵、高压冲洗泵、饮用水泵适用于海运；净化与过滤设备：FLECK阀门适用于锅炉软水系统、反渗透系统的预处理装置、家用及商用软水系统；STRUCTURAL树脂罐适用于砂滤、商用软水器、离子交换、多介质过滤、活性碳过滤；CODELINE膜壳适用于海水、苦、咸水淡化工程、电厂锅炉补给水工业处理、化工行业工艺用水、电子、半导体行业的超纯水处理、冶金、轻工业、电镀等行业的废水处理、食品饮料、卫生医疗；泳池及水景设备适用于水疗、游泳池、大型浴场等等。

Meanwhile, the mixture of KAlO〓—K〓CO〓—KOH obtained by clean technology of potassium chromate was separated successfully to obtain qualified Al 〓 product and deeper utilization of the components in chromium chemical industry was realized.

对铬酸钾清洁工艺中的KAlO〓—K〓CO〓—KOH混合物进行了有效分离，得到质量合格的氢氧化铝产品，实现了铬化工的多组份深度利用。

Shanghai Linpin Instrument Stock Co., Ltd is located in Shanghai Cangyuan Science and TechnologyPark and closed to Shanghai Zizhu Science-Based Industrial Park.

上海林频仪器股份有限公司是一家专业从事环境试验仪器设备研究开发、生产，与销售一条龙的股份制企业凭着求实创新的精神，不断进取，以先进的设计思路，精湛的制作工艺为我国航天、航空、军事、石油、化工、医疗、电子、通讯、各大院校、及科研单位提供了理想的试验设备。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失