查询词典 oil refining

We recognize that the reasons behind the oil price volatility are complex and manifold, including growing demand for oil, concerns over the adequacy of investment in oil production capacity in the long-term, current low levels of spare production capacity, refining capacity bottlenecks, prolonged political instability in some oil producing regions and market speculation.

我们认识到，造成油价波动的原因复杂多样，包括石油需求增加、人们对长期石油投资是否充足的担忧、当前剩余产能较低、炼油能力瓶颈、某些产油地区持续政治动荡、市场投机等。

The reasonable dewaxing method of prickly ash seed oil should be:① The low wax crude manufacture oil can use surfactant to dewax;② If the wax content is relatively high,progressive dewaxing can be adapted to reduce oil lose in the process;③ To the oil that need alkali refining,the wax can be eliminated with the free fatty acid in the process of alkali refining.

脱除花椒籽油中蜡质的合理方法应是：①含蜡量相对较低的精制粗油可选用表面活性剂法脱蜡；②当含蜡量相对较高时，为降低脱蜡过程中油的耗损率可选用分步脱蜡法脱蜡；③需进行碱炼的油，可在碱炼过程中将蜡质与游离脂肪酸一并除去。

After the testing we know that the property in the differencedecompress de-wax oil that produced sulphonation refining oil in the unit.Thesulphonation refining oil blend with base oil of lubricant to review quality andbenefit.

经过试验掌握了不同减三线脱油在装置浅度磺化后抽余油的性质，将磺化抽余油按照深度精制基础油进行润滑油调合，考察其质量状况和经济效益。

Sulfuric acid was sulphonation reagent, add the sulfuric acidquantity was 8%, reaction temperature was 60~65℃.The reaction occursbetween the feed oil and sulfuric acid,then add 30% of sodium hydroxidesolution conducted neutralization in the Pyrex standard react kettle,when the reactionfinished ,draw out the products by funnel,then the products react with 8%clay to refine received the sulphonation refining oil so as to review property andreceive rate of the shallow sulphonation refining oil .By the using the sulphonationrefining oil to blend lubricant,its quality is on-specification .

为验证其可行性，首先在实验室进行浅度磺化小试，原料油采用新疆原油经常压蒸馏、减压蒸馏、溶剂精制、溶剂脱蜡后的减压二、三线脱蜡油，发烟硫酸作为磺化剂，发烟硫酸加入量8%，反应温度60～65℃，用三口圆底耐热玻璃标准反应釜对原料进行发烟硫酸磺化，加入量30%氢氧化钠中和，分液漏斗抽提，在烧杯内加入量8%白土进行精制得到磺化抽余油，考察浅度磺化抽余油性质和收率，用磺化抽余油调合润滑油质量合格。

In this article, three representative oil and fat resourse (edible raw oil, unedible linseed oil and waste oil and fat) were used to study the fatty acid methyl ester preparation technology, and the products from different technologies were compared and analysed. For plant oil, ester exchange process was performed immediately after simple decolorating and alkali refining pretreatment.

对于植物油脂，采用简单的脱色、碱炼预处理后，直接进行酯交换的工艺；对于废油脂，由于其成分变质较严重，预处理也显得相对复杂，采用了先预酯化再酯交换的工艺和先皂化酸化后再酯化的两种工艺。

The main products has: 200A-3 Oil Press, 202 type, 24 type, 240 type, 204-type pre-pressing machine, 1.5m 5 - 3.0m 5 steaming pan, various models of three-roll on-roll solution Pressure pressure embryo machine, Extrusion machine, drying machine, vibration fluidized bed dryer, frame-style crude oil filter, oil filter leaves and winter of filtering machines, centrifuges, sweetening pot, detreated pot, refining cans, from soap machine, than with mixers, heating cans, dehydrated machine, 28-36 decorticating machine, round screen, vibrating screen, flat screen, crusher, to stone machine, steam offline, deceleration machine, tube condenser, condensing plate , and plate heat exchangers, spiral plate heat exchanger, various scraper, cutter Liuzhou, hoist, 15-300 tons leaching equipment, 20-100 tons of salad oil equipment, one tons -20 tons of steam boilers, large 100000 -200 kcal million cards conducting oil furnace.

主要销售产品有： 200A-3 榨油机、 202 型、 24 型、 240 型、 204 型预榨机、 1.5m×5--3.0m×5 蒸炒锅、各种型号三辊、对辊液压压胚机、膨化机，烘干机、振动硫化床干燥机、板框式毛油过滤机、叶片滤油机，冬化过滤机，离心机、脱臭锅、脱色锅、精炼罐、脱皂机、比配混合机、加热罐、脱水机、 28-36 剥壳机、圆筛、振动筛、平面筛、破碎机、去石机、蒸脱机、减速机、列管冷凝器、板式冷凝器、板式换热器、螺旋板换热器、各种刮板，绞龙、提升机、 15-300 吨浸出设备， 20-100 吨色拉油设备， 1 吨-20 吨蒸汽锅炉， 10 万大卡-200 万大卡导热油炉。

Saudi light oil is a kind of oil with high-sulphur content,lowcondensation point and high heavy metal contens,its property differs from Daqing crude oil and Shengli crude oil. Therefore,HSE problem during its storage and transportation after refining should be taken into more consideration.

中东含硫沙轻原油是一种高硫、低凝、轻组分多、重金属含量高的原油，其物化性质与大庆原油和胜利原油不同，因而必须对其在加工后的储运过程中所涉及到的安全与环保问题给予充分的考虑。

Frigon was chosen as the experimental, According the quality of the heavy oil materials which have high oil content and low sericin content, technical conditions were initially set at the level of low pH value 、low temperature and enforced presoaking process. And then, these surfactants and builders were chosen to test in the presoaking and refining process, getting some kinds of surfactants with lowest oil content on refined waste silk. Following that, they were tested for best oil-removing effect in mixture.

实验中，选择了滞头原料为试验原料，根据绢纺愿料冶胶量低，含油量高的特点，初步确定了低pH值、低温和加强预浸的工艺方案，然后对所选的各类表面活性剂和助剂进行了预浸、精练工艺试验，从中选出较好的几个品种进行不同类型的复配试验，在复配的基础上试验工艺条件—温度、时间、碱用量对残油率、残胶率的影响确定小样最佳工艺。

The strength of the thick-walled cylinder was enhanced without increasing wall thickness due to the tight joint of the layers. Therefore, this kind of vessel has been generally considered as very safe equipment and widely used in the oil refining, petrochemical and chemical fertilizer industry.

多层包扎结构由于层板间紧配合的作用，在不增加壁厚的情况下，提高了厚壁圆筒的强度，被普遍认为是非常安全的结构形式，在石油精炼、石油化工和化学肥料行业中得到了广泛应用。

Steam condensate was produced by steam exchanging heat during oil refining.

蒸汽凝结水是在石油炼制生产过程中蒸汽经换热后凝结产生。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。