摘要：
隔套英文The magnetic pump consists of a pump, magnetic actuators, motors of three parts. Key... 隔套英文
The magnetic pump consists of a pump, magnetic actuators, motors of three parts. Key components of magnetic actuator by the external magnetic rotor sleeve, inner magnetic rotor and non magnetic components. When the motor drives the outer magnetic rotor, the magnetic field can penetrate the air gap and non-magnetic material, driven by the magnetic rotor and impeller connected for synchronous rotation, to achieve non-contact power transmission, the dynamic seal into static seal. As the shaft, the rotor is within a magnetic pump, isolated sets of completely closed to completely solve the problem of "run, run, drip, leak, remove the oil refining chemical industry flammable, explosive, toxic and harmful media through the pump seal leakage security risks, effectively ensure the workers health and safety of.First, the working principle of magnetic pumpN of the magnet (n is even) arranged according to the laws in the magnetic clutch assembly inside and outside the magnetic rotor, the magnet part consisting of magnetic coupling system. When the inside and outside the two poles in different relative displacements, two poles between the angle phi = 0, the lowest energy magnetic system; when rotates to the relative displacement of two poles, pole angle between phi = 2 pi /n, the maximum magnetic energy of magnetic system. Remove the external force, due to the magnetic system of magnetic poles repel each other, magnetic magnet will return to the lowest energy state. So the magnet generates motion and drives the magnetic rotor to rotate.Two, structural characteristics1 permanent magnetsPermanent magnet operating temperature range is made of rare earth permanent magnet wide (-45 - 400 DEG C), high coercivity, magnetic anisotropy direction is very good, also won't happen in the same demagnetization phenomenon when is close, is a good source of magnetic field.2 isolation sleeveIn the metal isolation, isolation sets in a sinusoidal alternating magnetic field, in a cross section perpendicular to the direction of magnetic field lines induced eddy currents and transformed into heat. The expression of eddy current is:. Among them Pe eddy current; K constant; rated speed of N pump; T magnetic drive torque; pressure within F spacer sleeve; inner diameter of D spacer sleeve; resistivity of material; tensile strength of material. When the pump design is good, T, n is a given condition, to reduce the eddy current only from F, D, etc.. Selection of high resistivity, high strength of the non-metallic materials to produce isolation sets, the effect is very obvious in reducing the eddy current.3 control of coolant flow rateWhen the pump works, a small amount of liquid must be used to flush the gap between the inner magnetic rotor and the isolation sleeve and the friction pair of the sliding bearing. The flow rate of the coolant is usually 2%-3% of the pump design flow, and the annular gap between the inner magnetic rotor and the isolation sleeve produces high heat due to eddy currents. When the coolant is not enough or poor flushing holes to plug, will result in permanent magnet medium temperature is higher than the operating temperature of the inner magnetic rotor gradually loses magnetism, the magnetic actuator failure. When the medium is water or water base liquid, the temperature rise of the annular gap region can be maintained at 3-5, when the medium is a hydrocarbon or oil, the temperature rise of the annular gap region can be maintained at 5-8.4 sliding bearingMagnetic pump sliding bearing material impregnated graphite, filled PTFE, engineering ceramics, etc.. Because the engineering ceramics have good heat resistance, corrosion resistance and friction resistance, the sliding bearing of magnetic pump is made of engineering ceramics. Because the engineering ceramics are very crisp and the expansion coefficient is small, so the bearing clearance must not be too small, so as to avoid the occurrence of axle bearing accident.Due to the magnetic pump sliding bearing to transport the media for lubrication, it should be based on different media and the use of working conditions, the use of different materials production of bearings.5 Protection MeasuresWhen the magnetic actuator driven components running in case of overload or rotor stuck, magnetic clutch master and slave unit will automatically slip to protect the pump. The magnetic drive permanent magnet on the rotor in the active role of the alternating magnetic field, will produce eddy loss, magnetic loss, resulting in permanent magnet temperature, magnetic clutch slip failure.Three, the advantages of magnetic pumpCompared with the centrifugal pump with mechanical seal or packing seal, magnetic pump has the following advantages.1 pump shaft from the dynamic seal into a closed static seal, completely avoid the media leakage.2 no independent lubrication and cooling water, reduce the energy consumption.3 by the coupling drive into a synchronous drag, there is no contact and friction. Low power consumption, high efficiency, and with damping vibration damping effect, reducing the impact of the motor vibration on the pump and pump cavitation of the impact of the motor.4 overload, the internal and external magnetic rotor relative slip, the motor, the pump has a protective effect.Four, running notes1 prevent particles from entering(1) there are ferromagnetic impurities and particles into the magnetic actuator and bearing friction is not allowed. (2) the transfer of the easy crystallization or precipitation of the media to be promptly washed (after the pump to the pump cavity filling the water, running 1min after discharge clean), in order to protect the life of the sliding bearing. (3) the delivery of media containing solid particles should be filtered at the inlet of the pump flow tube.2 prevent demagnetization(1) magnetic moment can not be designed too small. (2) should be in the specified temperature conditions, the medium temperature is strictly prohibited. The temperature sensor of the outer surface of the magnetic pump isolation sleeve is provided with a platinum resistance temperature sensor to detect the temperature rise of the ring gap region, so that the temperature exceeds the limit alarm or stop.3 prevent dry friction(1) no idling. (2) the medium is prohibited to take time off. (3) the outlet valve is closed under the condition of the pump running time should not exceed 2min, to prevent overheating and failure of magnetic driver.磁力泵由泵、磁力传动器、电动机三部分组成。关键部件磁力传动器由外磁转子、内磁转子及不导磁的隔离套组成。当电动机带动外磁转子旋转时，磁场能穿透空气隙和非磁性物质，带动与叶轮相连的内磁转子作同步旋转，实现动力的无接触传递，将动密封转化为静密封。由于泵轴、内磁转子被泵体、隔离套完全封闭，从而彻底解决了“跑、冒、滴、漏”问题，消除了炼油化工行业易燃、易爆、有毒、有害介质通过泵密封泄漏的安全隐患，有力地保证了职工的身心健康和安全生产。 一、磁力泵工作原理 将n对磁体（n为偶数）按规律排列组装在磁力传动器的内、外磁转子上，使磁体部分相互组成完整藕合的磁力系统。当内、外两磁极处于异极相对，即两个磁极间的位移角Φ＝0，此时磁系统的磁能最低；当磁极转动到同极相对，即两个磁极间的位移角Φ＝2π/n，此时磁系统的磁能最大。去掉外力后，由于磁系统的磁极相互排斥，磁力将使磁体恢复到磁能最低的状态。于是磁体产生运动，带动磁转子旋转。 二、结构特点 1．永磁体 由稀土永磁材料制成的永磁体工作温度范围广(-45－400℃)，矫顽力高，磁场方向具有很好的各向异性，在同极相接近时也不会发生退磁现象，是一种很好的磁场源。 2.隔离套 在采用金属隔离套时，隔离套处于一个正弦交变的磁场中，在垂直于磁力线方向的截面上感应出涡电流并转化成热量。涡流的表达式为： 。其中Pe－涡流；K—常数；n—泵的额定转速；T－磁传动力矩；F－隔套内的压力；D－隔套内径； 一材料的电阻率； —材料的抗拉强度。当泵设计好后，n、T是工况给定的，要降低涡流只能从F、D、 、 等方面考虑。选用高电阻率、高强度的非金属材料制作隔离套，在降低涡流方面效果十分明显。 3．冷却润滑液流量的控制 泵运转时，必须用少量的液体对内磁转子与隔离套之间的环隙区域和滑动轴承的摩擦副进行冲洗冷却。冷却液的流量通常为泵设计流量的2%-3%，内磁转子与隔离套之间的环隙区域由于涡流而产生高热量。当冷却润滑液不够或冲洗孔不畅、堵塞时，将导致介质温度高于永磁体的工作温度，使内磁转子逐步失去磁性，使磁力传动器失效。当介质为水或水基液时，可使环隙区域的温升维持在3-5℃；当介质为烃或油时，可使环隙区域的温升维持在5-8℃。 4．滑动轴承 磁力泵滑动轴承的材料有浸渍石墨、填充聚四氟乙烯、工程陶瓷等。由于工程陶瓷具有很好的耐热、耐腐蚀、耐摩擦性能，所以磁力泵的滑动轴承多采用工程陶瓷制作。由于工程陶瓷很脆且膨胀系数小，所以轴承间隙不得过小，以免发生抱轴事故。 由于磁力泵的滑动轴承以所输送的介质进行润滑，所以应根据不同的介质及使用工况，选用不同的材质制作轴承。 5．保护措施 当磁力传动器的从动部件在过载情况下运行或转子卡死时，磁力传动器的主、从动部件会自动滑脱，保护机泵。此时磁力传动器上的永磁体在主动转子交变磁场的作用下，将产生涡损、磁损，造成永磁体温度升高，磁力传动器滑脱失效。 三、磁力泵的优点 同使用机械密封或填料密封的离心泵相比较，磁力泵具有以下优点。 1．泵轴由动密封变成封闭式静密封，彻底避免了介质泄漏。 2．无需独立润滑和冷却水，降低了能耗。 3．由联轴器传动变成同步拖动，不存在接触和摩擦。功耗小、效率高，且具有阻尼减振作用，减少了电动机振动对泵的影响和泵发生气蚀振动时对电动机的影响。 4．过载时，内、外磁转子相对滑脱，对电机、泵有保护作用。 四、运行注意事项 1．防止颗粒进入 (1)不允许有铁磁杂质、颗粒进入磁力传动器和轴承摩擦副。(2)输送易结晶或沉淀的介质后要及时冲洗（停泵后向泵腔内灌注清水，运转1min后排放干净），以保障滑动轴承的使用寿命。 (3)输送含有固体颗粒的介质时，应在泵流管入口处过滤。 2．防止退磁 (1)磁力矩不可设计得过小。(2)应在规定温度条件下运行，严禁介质温度超标。可在磁力泵隔离套外表面装设铂电阻温度传感器检测环隙区域的温升，以便温度超限时报警或停机。 3．防止干摩擦 (1）严禁空转。(2）严禁介质抽空。(3)在出口阀关闭的情况下，泵连续运转时间不得超过2min，以防磁力传动器过热而失效。
绳锯机的操控与后期的维护也是相当重要的。不懂得操作或操作不熟练的操作员，可能会出现绳锯打滑、短绳，或者绳锯被白白磨损坏等现象，而维护是为了更好的提高工作效率和绳锯机的使用寿命，这两点也是相当重要的！更多详细信息，泉州飓得快金刚石绳锯技术指导上有相应的说明书，请大家去下载看看！
可以用热熔枪，把胶棒放入热熔枪中，插上电加热一会，扣动扳机枪口就会有胶流出。可以控制用量的。剩下的放在枪里下次用再通电加热就好了。也可以直接用打火机把热熔胶棒一端烧化，涂在要粘的地方，粘好等胶变成固体就行了。可以用来粘发卡、胸针、小手工艺品之类的东西。
1、使用热熔胶枪：使用的时候把热熔胶插入到胶枪里面，打开电源开关即可使用，可谓使用方法很简单。
2、使用打火机加热热熔胶棒也可以。放热熔胶在加热后出现融化后即可使用，
3、把需要粘和的部分准备好，涂抹融化的热熔胶后，把两部分对齐，用力按压一分钟就可以了。
扩展资料
1、热熔胶是一种可塑性的粘合剂，在一定温度范围内其物理状态随温度改变而改变，而化学特性不变，其无毒无味，属环保型化学产品。因其产品本身系固体，便于包装、运输、存储、无溶剂、无污染、无毒型；以及生产工艺简单，高附加值，黏合强度大、速度快等优点而备受青睐 。
2、家具用热熔胶是一类专用于人造板材粘贴的胶粘剂,它是一种环保型、无溶剂的热塑性胶。热熔胶被加热到一定温度时,即由固态转变为熔融态,当涂布到人造板基材或封边材料表面后,冷却变成固态,将材料与基材粘接在一起。
参考资料
热熔胶--百度百科
隔套的英文
bed sack
英 [bed sæk] 美 [bɛd sæk]
被套
pillowcase
英 [ˈpɪləʊkeɪs] 美 [ˈpɪloʊkeɪs]
n.枕套（等同pillow slip）
sheet 英 [ʃi:t] 美 [ʃit]
n.纸;被单;一张（通常指标准尺寸的纸）;一大片（覆盖物）;表格
vt.用（床单等）包裹;用（床单等）掩盖;用缭绳调节（或固定）;给…铺床单
vi.成片展开，成片流动
adj.（金属材料）制成薄板（或薄片）的，扎制成片的，片状的
隔离器手套Isolator gloves 重点词汇释义隔离器isolator; isolater
隔热手套英文
隔热防烫手套Heat insulation and ironing gloves隔热防烫手套Heat insulation and ironing gloves
隔离套餐英文
insulation n. 隔离; 孤立;【电】绝缘(体) isolation n.隔离,隔绝seclusion n．隐遁，隔离
隔离的英语是insulate。
一、读音： ['ɪnsjuleɪt]
二、意思是隔离。
三、例句
Her parents tried to insulate her from dangerous influences。
她的父母试图把她与危险的影响隔绝。
四、词汇用法
1、insulate的基本含义是使隔离、使绝缘，指通过特定的隔离物使某人或某物与外界或某种特殊物质相隔离，使他们无法接触从而达到某种目的。
2、insulate通常用作及物动词。后接名词或代词作宾语。
扩展资料
近义词 isolate
一、读音： ['aɪsəleɪt]
二、意思是使孤立、隔离。
三、例句
We should never isolate ourselves from the masses。
我们永远不能脱离群众。
四、词汇用法
isolate的基本意思是使…隔离、使…孤立、使…脱”,多用于被动式，其后多接介词from。
套餐:set lunch (午餐)set dinner (晚餐)snack set (小吃)
隔离的英文名字叫"make-up base",
隔热手套英文怎么说
oven的读音：英 [ˈʌv(ə)n] 美 [ˈʌvn] 。
n. 烤炉，烤箱；小熔炉，小窑；（纳粹集中营的）火化室
【名】 （Oven）（荷）奥芬（人名）
短语
drying oven [化工] 干燥箱 ; 干燥炉 ; [化工] 烘干炉
oven glove 隔热手套 ; 耐高温手套 ; 烤箱手套
Clay oven rolls 火烧饼 ; 油条
electronic oven 电烤箱 ; 电子炉 ; 高频电炉 ; 电热烤炉
electric oven 电烤箱 ; 电烤炉 ; 电炉 ; 电干燥箱
vacuum oven 真空炉 ; 真空干燥箱 ; 真空烘箱 ; [电] 真空电炉
Hybridization Oven 分子杂交仪 ; 杂交炉
词语辨析
stove, oven, furnace
这组词都有“炉，炉子”的意思，其区别是：
stove 通常指以柴、煤、气、电等作燃料，用于室内取暖或烧饭的火炉。
oven 主要指烘烤食物用的炉子、烘箱。
furnace 指冶炼用的熔炉或烧暖气用的锅炉。也可用作比喻。
隔热防烫手套Heat insulation and ironing gloves隔热防烫手套Heat insulation and ironing gloves
英 [ɡlʌv]；美 [ɡlʌv]。示例：I gave one of the bikinis to my sister Sara and it fit like a glove.我把其中一件比基尼给了妹妹萨拉，她穿正合身。
glove意思是：
1、n. （分手指的）手套；（拳击、棒球等所用的）加垫防护手套
2、v. 给……戴手套；（比赛中用戴手套的手）接（球）
短语
1、goven glove 隔热手套 ; 耐高温手套 ; 烤箱手套
2、Glove puppetry 布袋戏
3、glove leather 拳击手套革 ; 手套皮革 ; [皮革] 手套革
1、glove是表示两个部分组成的物品的名词，通常用于复数形式，用作主语时谓语动词一般用复数形式，偶尔也可用单数形式。
2、glove前有pair修饰时，其谓语动词与pair保持一致。
glove的读音是：英 [ɡlʌv]， 美 [ɡlʌv]。
glove是一个英语单词，意思是（分手指的）手套。
英式读法：[ɡlʌv]。
美式读法：[ɡlʌv]。
glove的例句：
1、These two gloves do n't match .
这两只手套不配对儿。
2、Her white wool gloves lay in her lap .
她的一副白羊毛手套则放在膝上。
3、Leather gloves are stronger than cotton gloves .
皮手套比棉手套结实。
4、Only if we handle them with kid gloves .
只要我们小心行事就行了。
5、I can not feel anything through these gloves .
我戴着手套什么都摸不出来。
