制冷 压缩机 hskc64&74说明书,英文
HSKC64 & HSKC74
Anschluss-Positionen
1 Hochdruck-Anschluss (HP)
2 Anschluss für Druckgas-Temperaturfühler
(HP)
3 Niederdruck-Anschluss (LP)
4 ?ldruck-Anschluss
5Anschluss für Economiser oder
K?ltemittel-Einspritzung
6 Anschluss für ?lheizung
7 ?lablass (?labscheider)
8 ?lablass (Motorgeh?use)
9 Anschluss für ?lniveau-W?chter
10 ?leinfüll-Stopfen
11Schraube für Rohrhalterung (ECO- und LI-Leitung)
SL Sauggas-Leitung
DL Druckgas-Leitung Connection positions
1High pressure connection (HP)
2Discharge gas temperature sensor
connection (HP)
3Low pressure connection (LP)
4 Oil pressure connection
5 Connection for economiser or liquid
injection
6 Oil heater connection
7 Oil drain (oil separator)
8 Oil drain (motor housing)
9 Oil level switch connection
10Oil fill plug
11 Screw for pipe support (ECO and LI line)
SL Suction gas line
DL Discharge gas line
Position des raccords
1Raccord de haute pression (HP)
2Raccord de sonde de température du gaz au
refoulement
(HP)
3Raccord de basse pression (LP)
4Raccord de pression d'huile
5Raccord d'économiseur ou injection de
liquide
6Raccord de chauffage d'huile
7Vidange d'huile (séparateur d'huile)
8Vidange d'huile (carter moteur)
9Raccord de contr?leur de niveau d'huile
10Bouchon pour remplissage d'huile
11Vis pour support de tuyauterie (tuyauterie
ECO et Ll)
SL Conduite du gaz d'aspiration
DL Conduite du gaz de refoulement
机械毕业设计英文外文翻译460数字控制 (2)
附录 科技译文： Numerical Control Numerical Control(NC) is a method of controlling the movements of machineComponents by directly inserting coded instructions in the form of numerical data(numbers and data ) into the system.The system automatically interprets these data and converts to output signals. These signals ,in turn control various machine components ,such as turning spindles on and off ,changing tools,moving the work piece or the tools along specific paths,and turning cutting fluits on and off. In order to appreciate the importer of numerical control of machines ,let’s briefly review how a process such as machining has been carried out traditionally .After studying the working drawing of a part, the operator sets up the appropriate process parameters(such as cutting speed ,feed,depth of cut,cutting fluid ,and so on),determines the sequence of operations to be performed,clamps the work piece in a workholding device such as chuck or collet ,and proceeds to make the part .Depending on part shape and the dimensional accuracy specified ,this approach usually requires skilled
空压机英文名称
往复式压缩机（活塞式压缩机） reciprocating compressor 螺杆式压缩机 screw compressor 单螺杆压缩机 single screw compressor 回转式压缩机 rotary compressor 滑片式压缩机 sliding vane compressor 单滑片回转式压缩机 single vane rotary compressor 滚动转子式压缩机 rolling rotor compressor 三角转子式压缩机 triangle rotor compressor 多滑片回转式压缩机 multi-vane rotary compressor 滑片 blade 旋转活塞式压缩机 rolling piston compressor 活塞式压缩机 reciprocating compressor 涡旋式压缩机scroll compressor 容积式压缩机positive displacement compressor 涡旋盘 scroll 固定涡旋盘 stationary scroll, fixed scroll 驱动涡旋盘 driven scroll, orbiting scroll 斜盘式压缩机（摇盘式压缩机） swash plate compressor 斜盘 swash plate 摇盘 wobble plate 阳转子 male rotor 阴转子 female rotor 主转子 main rotor 闸转子 gate rotor 无油压缩机 oil free compressor 膜式压缩机 diaphragm compressor 单作用压缩机single acting compressor 双效压缩机dual effect compressor 双作用压缩机 double acting compressor 双缸压缩机 twin
制冷压缩机操作规程
编号：CZ-GC-08662 ( 操作规程) 单位：_____________________ 审批：_____________________ 日期：_____________________ WORD文档/ A4打印/ 可编辑 制冷压缩机操作规程 Operating procedures for refrigeration compressor
制冷压缩机操作规程 操作备注：安全操作规程是要求员工在日常工作中必须遵照执行的一种保证安全的规定程序。忽视操作规程 在生产工作中的重要作用，就有可能导致出现各类安全事故，给公司和员工带来经济损失和人身伤害，严重 的会危及生命安全，造成终身无法弥补遗憾。 压缩机开启前的准备工作： 一、检查记录，弄清该机、该系统停止运转的原因和时间。如果是事故或大修后停车，要搞清是否交付使用，交付使用手续是否齐全。 二、检查系统中有关阀门是否处于待工作状态。 1.压缩机到油分离器、冷凝器、高压储液桶管路上的阀门均开启。 2.蒸发器到低压储液桶、压缩机之间管路上的阀门均开启。 3.使用双级压缩机，中间冷却器上的进汽阀门、蛇形冷却盘管的进出液阀门均开启。 4.机器吸、排汽阀门均关闭。 5.各种使用设备上的压力表控制阀、安全阀控制阀、指示器控制阀均开启。各设备的放油阀关闭。 6.调节站的调节阀关闭。
三、检查设备 1.高压储液桶的液位不得高于80%，不得低于30%。 2.重力供液方式：系统中氨液分离器的液位不得超过40%；氨泵供液方式：低压循环储液桶液位保持在30%～60%之间。 3.双级压缩系统，中间冷却器的液位低于浮球阀中心线，中间冷却器的压力不超过0.49MPa。 4.待用氨泵周围无障碍物。 四、开启循环水泵向冷凝器、机器水套供水，观察水流情况。 五、检查压缩机 1.应确保压缩机的保护罩完好，压缩机运转部位无障碍物。 2.曲轴箱压力应低于0.20MPa，超出此压力时，须查明原因，减压到规定数值内。 3.曲轴箱单视孔油位不低于视油孔1/2部位，曲轴箱双视孔油位在上视孔1/3部位。 4.机器加油三通阀在"运转"或"工作"位置上，能量调节装置手柄拨至零
压缩机的技术现状及其发展趋势
-- 压缩机的技术现状及其发展趋势 一、前言压缩机是用来提高气体压力和输送气体的机械，属于将原动机的动力能转变为气体压力能的机。它的种类多、用途广，有通用机械之称。目前，除了活塞式压缩机，其他各类压缩机机型，如离心式、双螺杆式、滚动转子式和涡旋式等均被有效地开发和利用，为用户在机型的选择上提供了 --
-- 更多的可能性。随着经济的高速发展，我国的压缩机设计制造技术也有了长足进步，在某些方面的技术水平也已经达到国际先进水平。二、压缩机的技术现状及发展趋势 1.透平压缩机在石化领域，目前国内离心压缩机在高技术和特殊产品等方面还不能满足国内的需要。另外在技术水平、质量、成套性等方面与国外还有差距。随着我国石化生产规模的不断扩大，离心压缩机在大型化方面将面临新 --
-- 的课题，国内在设计制造这些大型气体压缩机上还没有成熟的经验。离心式压缩机需要向大容量发展，以满足我国石化生产规模不断扩大的要求，同时随着新技术的发展、新型气体密封、磁力轴承和无润滑联轴器的出现，透平压缩机的发展趋势主要表现为：不断开发高压和小流量产品；进一步研究三元流动理论，将其应用到叶轮和叶片扩压器等元件的设计中，以期达到高效机组；低噪声化，采用 --
-- 噪声防护以改善操作环境。在制冷空调领域，目前透平压缩机在大冷量范围内仍保持优势。离心式压缩机的运动零件少而简单，且制造精度低，所以其制造费用相对低且可靠性高。由于受到螺杆式压缩机和吸收式制冷机的影响，离心式制冷压缩机的发展相对较为缓慢。在目前的技术条件下，离心式制冷压缩机主要用于大型建筑内的空气调节，需求量较少。近几年由于大型基建项目纷纷上马，离心式 --
机械毕业设计英文外文翻译204机电一体化
附录 INTEGRATION OF MACHINERY （From ELECTRICAL AND MACHINERY INDUSTRY）ABSTRACT Machinery was the modern science and technology development inevitable result, this article has summarized the integration of machinery technology basic outline and the development background .Summarized the domestic and foreign integration of machinery technology present situation, has analyzed the integration of machinery technology trend of development. Key word：integration of machinery ，technology，present situation ，product t，echnique of manufacture ，trend of development 0. Introduction modern science and technology unceasing development, impelled different discipline intersecting enormously with the seepage, has caused the project domain technological revolution and the transformation .In mechanical engineering domain, because the microelectronic technology and the computer technology rapid development and forms to the mechanical industry seepage the integration of machinery, caused the mechanical industry the technical structure, the product organization, the function and the constitution, the production method and the management system has had the huge change, caused the industrial production to enter into “the integration of machinery” by “the machinery electrification” for the characteristic development phase. 1. Integration of machinery outline integration of machinery is refers in the organization new owner function, the power function, in the information processing function and the control function introduces the electronic technology, unifies the system the mechanism and the computerization design and the software which constitutes always to call. The integration of machinery development also has become one to have until now own system new discipline, not only develops along with the science and technology, but also entrusts with the new content .But its basic characteristic may summarize is: The integration of machinery is embarks from the system viewpoint, synthesis community technologies and so on utilization mechanical technology, microelectronic technology, automatic control technology,
制冷压缩机操作规程详细版
文件编号：GD/FS-8367 （操作规程范本系列） 制冷压缩机操作规程详细 版 The Daily Operation Mode, It Includes All The Implementation Items, And Acts To Regulate Individual Actions, Regulate Or Limit All Their Behaviors, And Finally Simplify Management Process. 编辑：_________________ 单位：_________________ 日期：_________________
制冷压缩机操作规程详细版 提示语：本操作规程文件适合使用于日常的规则或运作模式中，包含所有的执行事项，并作用于规范个体行动，规范或限制其所有行为，最终实现简化管理过程，提高管理效率。，文档所展示内容即为所得，可在下载完成后直接进行编辑。 压缩机开启前的准备工作： 一、检查记录，弄清该机、该系统停止运转的原因和时间。如果是事故或大修后停车，要搞清是否交付使用，交付使用手续是否齐全。 二、检查系统中有关阀门是否处于待工作状态。 1. 压缩机到油分离器、冷凝器、高压储液桶管路上的阀门均开启。 2. 蒸发器到低压储液桶、压缩机之间管路上的阀门均开启。 3. 使用双级压缩机，中间冷却器上的进汽阀门、蛇形冷却盘管的进出液阀门均开启。
4. 机器吸、排汽阀门均关闭。 5. 各种使用设备上的压力表控制阀、安全阀控制阀、指示器控制阀均开启。各设备的放油阀关闭。 6. 调节站的调节阀关闭。 三、检查设备 1.高压储液桶的液位不得高于80%，不得低于30%。 2.重力供液方式：系统中氨液分离器的液位不得超过40%；氨泵供液方式：低压循环储液桶液位保持在30%～60%之间。 3.双级压缩系统，中间冷却器的液位低于浮球阀中心线，中间冷却器的压力不超过0.49MPa。 4.待用氨泵周围无障碍物。 四、开启循环水泵向冷凝器、机器水套供水，观察水流情况。
简述制冷压缩机分类及其应用
简述制冷压缩机分类及其应用 [当前位置：中国制冷网 > 技术交流 > 正文] 时间：2009-05-09 来源：互联网点击次 数：728次 制冷压缩机是空调系统的核心部件，通常称为制冷机的主机。科学技术的进步，新式空调系统不断出现，推动了制冷压缩机制造技术的不断进步。从目前制冷压缩机的发展趋势来看，结构紧凑、高效节能以及微振低噪等特点是空调压缩机制造技术不断追求的目标。下面对制冷压缩机做一个概述。 压缩机作用: l、从蒸发器中吸m蒸气，以保证蒸发器内一定的蒸发压力； 2、提高压力(压缩)，以创造在较高温度下冷凝的条件； 3、输送制冷剂，使制冷剂完成制冷循环。 一、压缩机的种类很多，根据工作原理的不同，空调压缩机可以分为定排量压缩机和变排量压缩机。 l、定排量压缩机的排气量是随着发动机的转速的提高而成比例提高的，它不能根据制冷的需求而自动改变功率输，而且对发动机油耗的影响比较大。它的控制一般通过采集蒸发器出风口的温度信号来实现，当温度达到设定的温度，压缩机停止工作；当温度升高后，压缩机开始 T二作。定排量压缩机也受空调系统压力的控制，当管路内压力过高时，压缩机停止工作。 2、变排量压缩机可以根据设定的温度自动调节功率输出。空调控制系统不采集蒸发器m风口的温度信号，而是根据空调管路内压力变化信号来控制压缩机的压缩比从而自动调节m 风口温度。在制冷的全过程中，压缩机始终是工作的，制冷强度的调节完全依赖装在压缩机内部的压力调节阀来控制。当空调管路内高压端压力过高时，压力调节阀缩短压缩机内活塞行程以减小压缩比，这样就会降低制冷强度。当高压端压力下降到一定程度，
低压端压力上升到一定程度时，压力调节阀则增大活塞行程以提高制冷强度。 二、根据工作方式的不同，可分为两大类：容积型与速度型。 容积型压缩机是靠工作腔容积的改变来实现吸汽、压缩、排汽等过程。属于这类压缩机的有往复式压缩机和回转式压缩机。速度型压缩机是靠高速旋转的齿轮对蒸气做功，压力升高，并完成输送蒸气的任务。属于这类压缩机的有离心式和轴流式压缩机，目前常用的是离心式压缩机。 1、往复式压缩机的工作原理 往复式压缩机又称活塞式压缩机。压缩机的工作腔是汽缸。活塞在汽缸内作上下往复运动，从而完成了压缩、排汽、膨胀、吸汽等过程。图1中的四个过程分别表示了压缩机1二作中的四个过程。到最低位置(称活塞的下止点)时，汽缸吸满蒸气。而活塞转而向上，这时吸、排汽门都关闭，汽缸容积缩小，蒸气被压缩，一直压缩到排汽压力为止。图中(b)为排汽过程：当压力达到一定值(大于排汽管内压力)时，排汽阀开启，活塞继续上移，蒸气排出，一直到活塞上移到最高位置(这位置称活塞的上止点)时，排汽结束。图中(c) 是余隙膨胀过程：为了防止活塞与吸排汽阀碰撞，活塞上移到上止点时，活塞与汽缸顶部之间留有一定间隙，称余隙。当活塞转而向下运动时，排汽结束时留在余隙内的高压蒸气阻止吸汽阀开启，吸汽不能开始。这时余隙内的蒸气随着活塞下移而进行膨胀，一直膨胀到吸汽压力以下时才结束。图中之(d)是吸汽过程：吸汽阀开启，随着活塞往下运动而吸汽，一直进行到活塞下移到活塞下止点为止。
机械类毕业设计外文翻译
本科毕业论文(设计) 外文翻译 学院：机电工程学院 专业：机械工程及自动化 姓名：高峰 指导教师：李延胜 2011年05 月10日 教育部办公厅 Failure Analysis，Dimensional Determination And
Analysis，Applications Of Cams INTRODUCTION It is absolutely essential that a design engineer know how and why parts fail so that reliable machines that require minimum maintenance can be designed．Sometimes a failure can be serious，such as when a tire blows out on an automobile traveling at high speed．On the other hand，a failure may be no more than a nuisance．An example is the loosening of the radiator hose in an automobile cooling system．The consequence of this latter failure is usually the loss of some radiator coolant，a condition that is readily detected and corrected．The type of load a part absorbs is just as significant as the magnitude．Generally speaking，dynamic loads with direction reversals cause greater difficulty than static loads，and therefore，fatigue strength must be considered．Another concern is whether the material is ductile or brittle．For example，brittle materials are considered to be unacceptable where fatigue is involved． Many people mistakingly interpret the word failure to mean the actual breakage of a part．However，a design engineer must consider a broader understanding of what appreciable deformation occurs．A ductile material，however will deform a large amount prior to rupture．Excessive deformation，without fracture，may cause a machine to fail because the deformed part interferes with a moving second part．Therefore，a part fails(even if it has not physically broken)whenever it no longer fulfills its required function．Sometimes failure may be due to abnormal friction or vibration between two mating parts．Failure also may be due to a phenomenon called creep，which is the plastic flow of a material under load at elevated temperatures．In addition，the actual shape of a part may be responsible for failure．For example，stress concentrations due to sudden changes in contour must be taken into account．Evaluation of stress considerations is especially important when there are dynamic loads with direction reversals and the material is not very ductile． In general，the design engineer must consider all possible modes of failure，which include the following． ——Stress ——Deformation ——Wear ——Corrosion ——Vibration ——Environmental damage ——Loosening of fastening devices
离心式压缩机英文对照
阀门valve[v?lv] Shut off valve 截止阀 throttle valve ['θr?tl] 节流阀gate valve 闸阀 Pneumatic butterfly valve 气动蝶阀[nju:'m?tik] Ball vavle 球阀 Cock 旋塞阀 check valve 止回阀 Three way valve 三通阀 A 安全运转 safe operation 安全系数 safe factor 安全措施safe precaution [pri'k?:??n] 安全阀 safety valve Relief valve 安全开关 safety switch 放空阀 vent valve 安全帽 helment ['helmit] 安装 install installation 装配图 erection drawing [i'rek??n] 安装尺寸 installation dimension 安装现场 sit of installation 静载荷 dead load 按钮 push button 凹凸面法兰male and female flange 凹面 concave ['k?nkeiv] B 巴氏合金 babbit metal 百分误差 percent error 百万分之一 part per million PPM 扳手 wrench [rent?] spanner 保护气 protective gas 保护罩 protective cover 报价 proposal Tender（投标） 报警 alarm 备件清单 spare part list 壁厚 wall thickness 变送器 transmitter 标牌 nameplate 仪表 gauge 表面粗糙度 surface roughness [r?f] 不锈钢 stainless steel ['steinlis] 布氏硬度 brinell hardness ['brinel] C 材料清单 bill of material（BOM） 材料检验 inspection of material 采购单 purchase order 参考标准 reference standard 仓库 storehouse 槽钢 channel 测温仪表 temperature instrument 测振动仪 vibrometer [vai'br?mit?] 操作人员operating personnel 操作培训 operation training 操作维护说明书 operation and Maintenance manual 差压计 pressure differential gauge 拆卸 disassemble [,dis?'sembl] 产品product 厂内试车 shop test run 超速试验 over speed testing 超压 excessive pressure[ik'sesiv] 齿轮箱gear case/box 充氮 nitrogen back filling ['naitr?d??n] 抽油雾风机oil mist fan 出厂试验合格证 mill test Certificate [s?'tifikeit] 出口管线outlet nozzle['n?zl] 出口压力 outlet pressure 除锈除垢 descaling [,di:'skeili?] 传感器sensor ['sens?] 喘振 surge 喘振控制 surge control 敲击 peening D 大齿轮 bull gear 大气 atmosphere 大修overhaul [,?uv?'h?:l] 带法兰接头 flanged end 挡板 buffer plate 挡块 dog 挡圈 locking ring 等温压缩机 isothermal compressor [,ais?u'θ?:m?l] 低合金钢low alloy steel ['?l?i ] 低碳钢 mild steel 底座 base 地脚螺栓 anchor bolt['??k?] 电磁阀solenoid valve ['s?ul?n?id] 电焊 arc welding[ɑ:k] 电机启动器 motor starter 电机驱动压缩机 motor driven～ 电缆 cable 电流 current 电路，管路 circuit 电压 voltage ['v?ultid?] 电源 power supply 垫板 pad 垫片 shim/gasket['ɡ?skit] 垫圈washer 吊车 crane [krein] 吊耳lug 蝶阀butterfly valve 顶部roof 顶丝lock screw[skru:] 定位器 positioner[p?'zi??n?] 定位元件 positioning element 电能功率 power 动平衡试验dynamic balancing test [dai'n?mik] 堵塞blockage ['bl?kid?] 镀铬chroming ['kr?umi?] 锻钢件 wrought steel [r?:t] 锻制管件 forged part [f?:d?] 对接焊 butt weld 多级压缩机 multiple stage Compressor E 二氧化碳 carbon dioxide ['kɑ:b?n] [dai'?ksaid] 额定流量 rated flow 额定输入功率 power input rating
压缩机的技术现状和发展趋势
压缩机的技术现状及其发展趋势 一、前言 压缩机是用来提高气体压力和输送气体的机械,属于将原动机的动力能转变为气体压力能的工作机。它的种类多、用途广,有“通用机械"之称。目前,除了活塞式压缩机,其他各类压缩机机型,如离心式、双螺杆式、滚动转子式和涡旋式等均被有效地开发和利用,为用户在机型的选择上提供了更多的可能性。随着经济的高速发展,我国的压缩机设计制造技术也有了长足进步,在某些方面的技术水平也已经达到国际先进水平。 二、压缩机的技术现状及发展趋势 1.透平压缩机 在石化领域,目前国离心压缩机在高技术和特殊产品等方面还不能满足国的需要。另外在技术水平、质量、成套性等方面与国外还有差距。 随着我国石化生产规模的不断扩大,离心压缩机在大型化方面将面临新的课题,国在设计制造这些大型气体压缩机上还没有成熟的经验。 离心式压缩机需要向大容量发展,以满足我国石化生产规模不断扩大的要求。 在制冷空调领域,目前透平压缩机在大冷量围仍保持优势。离心式压缩机的运动零件少而简单,且制造精度低,所以其制造费用相对低且可靠性高。由于受到螺杆式压缩机和吸收式制冷机的影响,离心式制冷压缩机的发展相对较为缓慢。在目前的技术条件下,离心式制冷压缩机主要用于大型建筑的空气调节,需求量较少。近几年由于大型基建项目纷纷上马,离心式制冷压缩机又成为关注的热点。 2.往复式压缩机 在石化领域,往复式压缩机主要是向大容量、高压力、低噪声、高效率、高可靠性等方向发展z不断开发变工况条件下运行的新型气阀,提高气阀寿命,在产品设计上,应用热力学、动力学理论,通过综合模拟预测压缩机在工况下的性能,强化压缩机的机电一体化,采用计算机自动控制,实现优化节能运行和联机运行。
机械类毕业设计外文文献翻译
沈阳工业大学工程学院 毕业设计（论文）外文翻译 毕业设计（论文）题目：工具盒盖注塑模具设计 外文题目：Friction , Lubrication of Bearing 译文题目：轴承的摩擦与润滑 系（部）：机械系 专业班级：机械设计制造及其自动化0801 学生姓名：王宝帅 指导教师：魏晓波 2010年10 月15 日
外文文献原文： Friction , Lubrication of Bearing In many of the problem thus far , the student has been asked to disregard or neglect friction . Actually , friction is present to some degree whenever two parts are in contact and move on each other. The term friction refers to the resistance of two or more parts to movement. Friction is harmful or valuable depending upon where it occurs. friction is necessary for fastening devices such as screws and rivets which depend upon friction to hold the fastener and the parts together. Belt drivers, brakes, and tires are additional applications where friction is necessary. The friction of moving parts in a machine is harmful because it reduces the mechanical advantage of the device. The heat produced by friction is lost energy because no work takes place. Also , greater power is required to overcome the increased friction. Heat is destructive in that it causes expansion. Expansion may cause a bearing or sliding surface to fit tighter. If a great enough pressure builds up because made from low temperature materials may melt. There are three types of friction which must be overcome in moving parts: (1)starting, (2)sliding, and(3)rolling. Starting friction is the friction between two solids that tend to resist movement. When two parts are at a state of rest, the surface irregularities of both parts tend to interlock and form a wedging action. To produce motion in these parts, the wedge-shaped peaks and valleys of the stationary surfaces must be made to slide out and over each other. The rougher the two surfaces, the greater is starting friction resulting from their movement . Since there is usually no fixed pattern between the peaks and valleys of two mating parts, the irregularities do not interlock once the parts are in motion but slide over each other. The friction of the two surfaces is known as sliding friction. As shown in figure ,starting friction is always greater than sliding friction . Rolling friction occurs when roller devces are subjected to tremendous stress which cause the parts to change shape or deform. Under these conditions, the material in front of a roller tends to pile up and forces the object to roll slightly uphill. This changing of shape , known as deformation, causes a movement of molecules. As a result ,heat is produced from the added energy required to keep the parts turning and overcome friction. The friction caused by the wedging action of surface irregularities can be overcome
烟台冰轮lg20bl螺杆式制冷压缩机组说明书摘录
凯添调峰站烟台冰轮预冷机型号：：LQJZ380T天然气冷却机组 LG20BL 螺杆式制冷压缩机 LG20BL YF JZ制冷压缩机机组 ---产品特点： 1.效率高，节能，COP增加了约8％。 2.烟台冰轮的专利转子生产运行平稳，效率高，噪音低。 3.的烟台专利容量控制装置实现了灵活和精确的控制。 4.烟台专利设计降低了噪音和振动。 5.正循环油控制 6.烟台专利高效率的热交换管 7.可靠性和稳定性 LG20BL螺杆式制冷压缩机参数：
1：高温工作条件是指40℃/ 5℃，中间温度是指40°C/-10°C，和低的温度是指40°C/-35℃。带经济器时，液体出口的温度比补气压力对应的饱和温度高5。油冷却器的冷却水进口温度为33℃，入口/出口的水的温度差为5℃。 2 （）的数据为制冷剂冷油机组参数。 原理图中液冷油冷却器经济器疑有误，均只有一进一出，怀疑经济器与液冷油冷却器应为一体，参见下图：且回气不应到压缩机出口管道。 经济器的原理及结构(是否就是：烟台冰轮工艺流程图上的液冷油冷却器，即压力容器图纸的油冷却器)配经济器的系统中，从冷凝器或贮液器出来的液体，并不直接送节流阀节流，而是首先进入经济器冷却器中进一步冷却，出来后的液体工质的温度可下降数十度，制冷量将得到提高。经济器冷却器中液体的冷却，是依靠经辅助节流阀节流后进入经济器中的中压液体工质，它吸收高压液体工质的热量而蒸发，蒸发出来的中压气体被螺杆压缩机的中间补气口吸走（见流程图）。带经济器的机组特别适合取代双级活塞式机组，在较低蒸发温度下经济运行。
压缩机的油分离系统 由于螺杆式制冷压缩机工作时喷入大量的润滑油与制冷剂蒸汽一起排出，所以在压缩机与冷凝器之间设置了高效的卧式油分离器。油分离器的作用是分离压缩机排气中携带的润滑油，使进入冷凝器的制冷剂纯净，避免润滑油进入冷凝器而降低冷凝器的效率。油分离器还有贮油器的功能。本机组采用卧式油分离器，从压缩机排出的高压气体，通过排气管进入油分离器，降低流速，改变方向，向油分的另一端排去。在这个过程中，大量的润滑油因为惯性及重力的作用沉降到油分底部，剩余的含有微量冷冻机油的气体再通过油分滤芯，此微量冷冻机油被最后分离，通过油分离器底部的回油阀回到压缩机中，以确保挡油板之后的筒体底部尽量少存油。靠近油分离器出口的过滤芯采用的是高分子复合材料，油分离效果可达10ppm，当分油效果不够理想时可更换。 附表一 R22饱和状态下的热力性质
机械毕业设计外文翻译---装载机发展概况
外文资料翻译 学生姓名： 专业班级：机械设计制造及其自动化04级2班指导教师： 2008年6月
装载机发展概况 Abstract This paper have discussed s.s. ZL-50 type fork-lift truck mainly overall fictitious prototype design as well as some kinds of typical schoolwork operating modes imitate and emulate , include equipment and the overall parts needed build mould. In this design course, have applied ADAMS software and the software of PRO/ENGINEER. ADAMS software is used in the emulation of some kinds of schoolwork operating modes, and the software of PRO/ENGINEER is used to build mould mainly. Through the simulated emulation for some kinds of overall schoolwork operating modes, can see relatively distinctly the overall possible condition in actual schoolwork course that met , can in time modify , have reduced actual design time , have raised production efficiency. The innovation of this design Zhi is in in, imitate and have emulated fork-lift truck the 3 kinds of typical schoolwork operating mode in actual schoolwork, is effect again have imitated in actual schoolwork the hydraulic impact of use, so when being helpful to solve actual loading, the actual problem of meeting the stock that is hard to uninstall can so raise production efficiency. Key words: Fork-lift truck 、fictitious prototype , build mould, emulation, optimization、production efficiency Loader Development China's modern 20 wheel loaders began in the mid-1960s of the Z435. The aircraft as a whole rack, rear axle steering. After years of hard work, the attraction was the world's most advanced technology wheel loader on the basis of the successful development of the power of 162 KW of shovel-fit wheel loaders, stereotypes for Z450 (later ZL50), and in 1971 December 18, formally appraised by experts. Thus the birth of China's first articulated wheel loader, thus creating our industry loader formation and development history. Z450-type loader with hydraulic mechanical transmission, power shift, Shuangqiaoshan drive, hydraulic manipulation, articulated power steering, gas oil Afterburner brake wheel loaders, and other modern, the basic structure of the world's advanced level for the time . Basically represent the first generation of wheeled loading the basic structure. The aircraft in the overall performance of dynamic, and insertion force a rise of power and flexibility, manipulation of light, the higher operating efficiency of a series of advantages. 1978, Heavenly Creations by the Department in accordance with the requirements of machinery, worked out to LIUGONG Z450-based type of wheel loaders series of standards. The development of standards, with reservations Z