VAF instruments VISCOSENSE 2 Bedienungsanleitung

Technical Manual技术手册

Instructions for installation,

operation and maintenance

安装操作和维护指南

761

VISCOSENSE®2

Viscosity Sensor & Interface box

扭转振动式黏度传感器及界面盒

Valid for ViscoSense®2 (serial number from 87600)

本手册适用于序列号

87600

以上之传感器

Publication nr. 版号 TIB-761-CN/GB-0715

Supersedes

取代

TIB-761-CN/GB-0412

CONTENTS 目录

PREFACE 前言 .................................................................................... 3

1.1 General 总则 .......................................................................................................... 3

1.2 Symbols 符号 ......................................................................................................... 4

1.3 Copyright 版权........................................................................................................ 5

2SYSTEM DESCRIPTION 系统描述 ............................................... 6

2.1 SYSTEM DESCRIPTION 系统概述 ....................................................................... 6

2.2 SYSTEM COMPONENTS 系统组成部分 ............................................................... 7

2.3 PRINCIPLE OF OPERATION 操作原理................................................................. 8

3TECHNICAL SPECIFICATION 技术规格....................................... 9

3.1 Sensor 传感器 ........................................................................................................ 9

3.2 Sensor housing 探头安放室 ................................................................................. 10

3.3 Interface box 界面盒............................................................................................. 10

4SAFETY INSTRUCTIONS 安全指南............................................ 11

4.1 Safety precautions 安全措施 ................................................................................ 11

5UNPACKING 拆包装.................................................................... 12

6INSTALLATION 安装 ................................................................... 13

6.1 To record nameplate data 纪录铭牌数据资料 ...................................................... 13

6.2 Conditions for correct working of the ViscoSense®2 sensor 传感器正确工作的基本要素 14

6.3 General installation recommendations 一般安装建议 .......................................... 15

6.4 Mechanical installation 机械安装.......................................................................... 16

6.4.1 ViscoSense®2 interface box 传感器界面盒.................................................... 16

6.4.2 ViscoSense®2 housing 传感器安放室............................................................ 16

6.4.3 To assemble ViscoSense®2 sensor 如何安装传感器 .................................... 19

6.5 Electrical installation 电气安装 ............................................................................. 20

6.6 Connection of sensor to interface box 将探头与界面盒连接 ................................ 22

7OPERATING INSTRUCTIONS 操作指南..................................... 24

7.1 Initial start-up 启动 ............................................................................................... 24

7.2 Shut-down on heavy fuel oil 关闭重油.................................................................. 24

7.3 Shut-down on diesel oil 关闭柴油......................................................................... 25

7.4 Routine start-up 正常启动 .................................................................................... 25

8MAINTENANCE 维护................................................................... 25

8.1 Routine maintenance 一般维护............................................................................ 25

8.2 To clean the ViscoSense®2 sensor 清洁探头 ...................................................... 25

8.2.1 General procedure 一般程序 ......................................................................... 26

9REPAIR 维修 OR或REPLACEMENT 更换传感器 .................... 27

9.1 Repair 维修 .......................................................................................................... 27

9.2 Replacement 更换传感器 ..................................................................................... 27

10 TAKE OUT OF SERVICE 取出清洗 ........................................... 28

11 REMOVAL AND STORAGE OF EQUIPMENT 拆除及保管........ 29

12 MALFUNCTION AND SEND FOR REPAIR 故障及维修 ............ 29

13 ENVIRONMENT 环保................................................................. 29

14 DISPOSAL 处置 ......................................................................... 30

15 TROUBLE SHOOTING 解决故障 ............................................... 30

15.1 Disconnection the sensor 断开传感器连接 ....................................................... 30

15.2 General trouble shooting 常见问题及解决 ........................................................ 31

15.3 PI setting errors (for additional viscosity controller) PI参数设定误差 ................. 33

15.4 How to take a HFO sample for analysis 如何扦取重油样品进行分析 ............... 33

15.5 Diagnostic information 分析诊断信息................................................................ 34

16 CERTIFICATES 证书 ................................................................. 36

17 DRAWINGS 图纸........................................................................ 37

17.1 ViscoSense®2 sensor and sensor housing 传感器及安放室............................. 37

17.1.1 ViscoSense®2 sensor housing with sensor installed 已经安放有探头的仓室37

17.2 ViscoSense®2 interface box 界面盒.................................................................. 41

17.2.1 ViscoSense®2 interface box 界面盒 ........................................................... 41

18 ABBREVIATIONS 缩写 .............................................................. 42

19 PARTS LISTS 零部件清单.......................................................... 43

19.1 ViscoSense®2 sensor 扭转振动传感器 ............................................................. 43

20 WARRANTY CONDITIONS 保证条款 ........................................ 45

21 ENCLOSURE 附件 ..................................................................... 47

21.1 Recommendations for a good working booster unit 为使供油单元系统良好运转之建议 47

为使供油单元良好运转之建议

PREFACE 前言

1.1 GENERAL 总则

This manual contains instructions for installation, operation and maintenance (IOM) of the VAF

ViscoSense®2 viscosity sensor and interface box. 本技术手册包括VAF扭转振动式黏度仪的安装，操

作及维护指南。

For IOM information of associated equipment supplied by VAF Instruments, refer to the separate

manual supplied with those products. 对于其他辅助的VAF产品设备，请参阅相应的产品技术手册。

This manual contains important information for the installer, the operator and for your maintenance

department.

这本手册包含了所有安装调试，操作及维护人员所需要的重要资料与信息。

To ensure safe and correct installation and operation, read this manual completely

before installing the equipment and starting operations.

为确保安装操作的正确进行，请在动手前完整详细地阅读本手册。

ViscoSense

2 sensor (from serial numbers 70000) and interface box (from serial

numbers 1480000) are not interchangeable with previous model ViscoSense®.

新型号ViscoSense®2 之探头（序列号70000以上）及界面盒（序列号1480000以上）

与此前使用的型号ViscoSense®.不可进行互换。

For any additional information contact: 若需要更多资料及信息，请与VAF联络，方式如下：

VAF Instruments B.V. Tel. +31 78 618 3100

Vierlinghstraat 24, 3316 EL Dordrecht Fax +31 78 617 7068

P.O. Box 40, NL-3300 AA Dordrecht E-mail: [email protected]

The Netherlands Internet: www.vaf.nl

Or your local authorized VAF dealer.

Their addresses can be found on www.vaf.nl 或与当地VAF授权之销售代理联系，详细地址参见公司

1.2 SYMBOLS 符号

The following symbols are used to call attention to specific types of information. 下列符号提示引起

注意

A warning to use caution! In some instances, personal injury or damage to the

ViscoSense®2unit or control system may result if these instructions are not followed

properly.

小心警告！违规操作会导致人员伤亡或测量仪损坏。

An explanation or information of interest.

对相关情况的解释或注解

1.3 COPYRIGHT 版权

While every precaution has been taken in the preparation of this manual, no responsibility for errors

or omissions is assumed. Neither is any liability assumed for damages resulting from the use of the

information contained herein. Specifications can be changed without notice.

虽然我们在编撰出版本手册时已采取各种防范措施，但仍难免会出现误差等。我们对由此可能引起的

损失不承担任何责任。同时我们有权随时更改本手册。

ViscoSense®is a registered trademark of VAF Instruments B.V. ViscoSense® 是VAF公司的注册商标

Teflon®is a registered trademark of Dupont. 特富龙®是杜邦公司的注册商标

2 SYSTEM DESCRIPTION 系统描述

2.1 SYSTEM DESCRIPTION 系统概述

ViscoSense®2 is, besides other applications, intended for use in fuel oil treatment systems to obtain

a correct measurement and control of the fuel oil viscosity.

扭转振动黏度计ViscoSense®2 既是应用于燃油处理系统以期对燃油的粘度进行准确测量及调控

Figure 1 shows a typical fuel treatment system with return line from the engine. In this system, the

degassing/mixing tank operates as a fuel buffer, ensuring gradual changes of viscosity which results

in a stable control of the viscosity. The ViscoSense®2 sensor is used to measure the actual viscosity

of the fuel oil. The signal from the sensor is compared to the setpoint of a viscosity controller, which

regulates the output of the fuel heater via a control element (steam or thermal oil valve, or electric

heater cabinet).

Figure 1 Typical example of an automatic control system using steam or thermal oil heater

图表1给出了一个典型的具有主机回流管路的燃油处理系统图。在该系统中，除去瓦斯/混油桶起到燃

料缓冲器的作用以确保黏度渐变，从而获得对黏度的稳定控制。控制系统对黏度传感器发出的信号与

控制器的设定值进行比较，通过控制元件[蒸汽，热油阀或电热器]以调节加热器的输出

Marine Diesel Oil 船用柴油

Heavy Fuel Oil 重燃油

Feeder Pump 供给泵

Degassing/Mixing Tank 除去瓦斯/混油桶

Filter 过滤器

Booster Pump 增压推进泵

Fuel Heater 燃油加热器

Steam/Oil 蒸汽/油

Control Element 控制元件

Controller 黏度控制器

ViscoSense

Sensor 探头

ViscoSense

Interface Box 界面接口盒

Engine 发动机

2.2 SYSTEM COMPONENTS 系统组成部分

The ViscoSense®2 viscosity system consists of: 扭转振动黏度测量系统包括

the combined viscosity and temperature measuring sensor 黏度及温度测量传感器

the sensor housing 传感器安放室

Interface box 界面盒

The sensor housing is made of ductile iron and has flanges for direct mounting in the fuel line. The

sensor itself is made of stainless steel and is mounted in the housing. The sensor head has a

special Teflon®coating and it is mechanically protected by a stainless steel flowtube with 3 oval slits.

It is supplied with 5 metres of signal cable for connection to the interface box. The ViscoSense®2

Interface box is a wall mount electronic unit, processing the signals from and to the sensor. It

provides 4..20 mA signals for remote read-out of viscosity and temperature for a controller or other

system elements. See separate technical manuals for a description of these components.

传感器安放仓室由球墨铸铁制成，其两侧连接法兰便于直接在管路中安装。传感器本身由不锈钢制

成，安放在仓室中。传感器探头的表面经过特富龙®特殊处理，并且受到其上有三个椭圆形开口的不

锈钢流管的机械保护。传感器自带5米长的信号电缆用于与界面接口盒之间联接。第二代ViscoSense®

传感器界面盒系壁式安放电子装置，加工处理来自及传送至传感器的信号。输出4-20mA电流信号用

于控制器或其他系统组件远程温度黏度显示。请分别参阅这些部分的专门技术手册。

Housing 探头安放仓室

Flow 流动

ViscoSense Sensor 探头

Cable Length ± 5 Meters 连接缆线长度约5米

ViscoSense Interface Box 界面接口盒

Figure 2 ViscoSense®2 components

图

传感器组件

2.3 PRINCIPLE OF OPERATION 操作原理

The patented measuring principle is based on rotational vibration of a pendulum in liquid.

已获得专利权的测量原理系以传感器探头在流体中的旋转振动为基础

The sensor consists of a sensor head (1) attached to a base plate (2) by a torsion tube (3). Two sets

of piezo-electric elements (4) are positioned inside the pendulum. One set drives the pendulum, the

other set measures and controls the rotational movement of the pendulum via a feedback circuit. In

this way the pendulum is kept in vibration at its resonance frequency.

传感器系由通过扭管(3)固定在基座(2)上的钟摆(1)组成。钟摆内置两套压电陶瓷元件(4)。一套驱动钟

摆，而另一套通过反馈信号测量和控制钟摆的旋转动作。这样使钟摆在其共振频率上保持振动。

Measuring the resulting frequency at two specific values of phase difference, yields a value for the

damping which is proportional to the square root of the dynamic viscosity.

测量相位差两点的频率，得出衰减值。这一数值与动力黏度的平方根成正比。

A flow tube (5) is placed around the pendulum, to protect it against mechanical damage.

流管(5)被置于钟摆外围，以保护钟摆避免机械损坏。

The flowtube is machined with a smooth surface, as well as with a triplet of oval slits. These slits

increase the refreshing rate between sensor and flowtube.

流管经过精细机加工处理，表面光滑并有三个椭圆形开口。这些开口增加了传感器探头和流管之间的

更新速率。

Figure 3 ViscoSense®2 sensor

图

扭转振动传感器探头

3 TECHNICAL SPECIFICATION 技术规格

3.1 SENSOR 传感器

Viscosity range 粘度量程 0 .. 25/50 mPa.s 毫米帕斯卡·秒

(other ranges on request 其它粘度量程根据要求而定)

Maximum operating temperature

最高温度 180C

180C

Temperature transmitter

温度传感器 PT 100 element

PT100 铂电阻温度传感器元件

Accuracy 精度

Viscosity 黏度 +/- 2% instantaneous 瞬时误差 ±2% 或0.5 mPa.s

Temperature 温度 ± 1C 约1 摄氏度

Measuring range 温度量程 0-200C 0-200 摄氏度

Material 材质

Sensor 探头 Stainless steel 316L 不锈钢

Coating 涂层 Teflon

特富龙®

Signal cable 信号缆线 length 5 metres, integrated with sensor 长5米，与探头集成一体

Protection class 防护等级 IP65

Weight 重量 1kg 1公斤

Warning 警告 For hazardous zone I and II, the ViscoSense

Ex d version is

required.

(see separate documentation nr PB-769)

对易燃易爆危险区域I和II，要求使用防爆型传感器。（请参见

PB-769）

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