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DaQing Petrochemical Complex (DQPC) is a subsidiary of China National Petroleum Corporation. In its thirteen manufacturing plants, DQPC produces petrochemical prod-ucts including styrene, polystyrene, ABS, propylene, propane, and various catalysts.

Improved process controlTo control the inventory and usage of powder materials in its new poly-propylene production line, DQPC equipped eight 400t hoppers with intelligent weighing equipment from METTLER TOLEDO.

“Traditional level detectors, as we were used to rely on, weren‘t the

Effective Inventory ManagementFull Uptime with smart Weighing Systems

To keep up with the market demand, the Petrochemical Industry is continuously increasing its plant availability. METTLER TOLEDO offers weighing solutions for increased uptime and speed.

appropriate technology to manage inventory adequately“ says the gen-eral manager. “Continuous problems due to cross-contamination adversely affected our production process. Plus, asymmetric material accumulation inside the hoppers led to inaccurate results.“

For process improvement DQPC equipped each of the eight hoppers with a set of six 100t Gagemount weigh modules. JagXtreme® weighing indicators monitor and control the entire weighing process. The smart thing about it is the predictive main-tenance technology TraxEMT™ ensur-ing continuous uptime.

PetrochemicalsIndustrial Weighing and Measuring

Courtesy DQPC

METTLER TOLEDO Petrochemicals News2

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PublisherMettler-Toledo GmbH Industrial Sonnenbergstrasse 72 CH-8603 Schwerzenbach Switzerland Production MarCom Industrial CH-8603 Schwerzenbach Switzerland MTSI 44099774 Subject to technical changes © 06/2006 Mettler-Toledo GmbH Printed in Switzerland

TraxEMT™ supports continuous uptime without loosing weighing speed.• It monitors the condition of each

individual load cell and predicts failures before they could occur.

• It alerts designated people of poten-tial failures or maintenance needs by sending eMails and provides notification via the local display.

• In case of load cell failure the “Run Flat” function allows pro-duction to continue automatically until the failed load cell can be replaced.

• It proactively supports maintenance planning and execution.

With METTLER TOLEDO, significant maintenance costs reduction and a boost of the entire production plant was achieved.

Key benefits• Highest yield = reduced waste

through accurate weighing of all compounds

• Increased process control through easy data interfacing with PLC

• Customizable solution due to the flexibility and modularity of the JagBasic software

• Process uptime with predictive main-tenance technology TraxEMT™

• Easy cleaning due to heavy wash down, anti-corrosive weigh modules

to DCS

4-20mA

JagXtreme® #1 #2 #3 … #8

RAAD Digital

Junction Box

Weigh

Modules

Courtesy DQPC

METTLER TOLEDO Petrochemicals News 2 3

The true Heavy Weight Championkeeps every Load under Control

20t-100t GAGEMOUNT weigh module

• 3000e OIML and 10 000d NTEP• Build-in check rods• Low self weight and easy installation• Hermetically sealed

stainless steel load cell• Excellent durability• Hazardous area approved for

Zone 1/21 and 2/22• 3000e OIML and 5000d NTEP

A supporting ring and mechanical accessories are part of the solution offered by METTLER TOLEDO to install the GAGEMOUNT weigh modules at the DaQing Petrochemical complex.

JagXtreme® weighing indicator

• Process safety with predictive mainte-nance TraxEMT™

- Monitors condition of each load cell - Run flat technology: in case a load

cell is damaged, it is automatically replaced with a virtual equivalent allowing you to finish a batch

- Schedules and tracks its own mainte- nance

• Seamless connectivity - Ethernet (LAN & WAN) and various

analog and serial communication interfaces

- Profibus® DP, Allen-Bradley® RIO, Modbus® Plus, ControlNet™, EthernetIP™ interfaces

• Wide variety of connectable scales with concurrent operation

- Up to four analog scales or four vessels on weigh modules

• Full flexibility - JagBASIC programming language

for free programmability• Ultra fast and accurate control while

mixing - Update rate: > 300Hz - TraxDSP™ vibration rejection with

superior noise filtering• Hazardous area approved for Zone 2

and Division 2

Courtesy DQPC

Courtesy DQPC

JagXtreme® weighing indicators in the control panel at the DQPC manufacturing plant

METTLER TOLEDO Petrochemicals News4

Maximize Efficiency of Your Process even in Hazardous AreasThe IND560 weighing indicator empowers you to increase speed during filling steps of your hazardous compounds while maintaining accuracy and reliability.

The features of the new IND560 add key benefits to your process and help you achieve highest product quality:

Simple operation for increased productivity• The Fill-560 application software

module allows prompt configura-tion of standard or customizable

sequences for filling, blending, dos-ing and discharging

• SmartTrac™ graphical guidance or target weight and tolerances helps the operator reach the fill tar-get faster

• CalFREE™ is the smart and simple way for electronic calibration with-out test weights

• Quick configuration with InSite™

Software. Connected to the IND560 indicator or off-line, the software allows smooth changes to setup and configuration parameters

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Courtesy Clariant

METTLER TOLEDO Petrochemicals News 2 5

ATEX 137 Safeguards Your Working EnvironmentATEX 137 directive (99/92/EC) defines minimum require-ments for safety to protect people working in potentially explosive atmospheres.

ATEX 137 is effective from July 1st 2006The new regulation requires:• Identification and classification of

hazardous area from Zones 0 to 22• Selection of ATEX 95 compliant

equipment for new installations• Risk assessment for existing equip-

ment• Documentation of hazards and risks

in explosion protection documents

Smooth ATEX 137 compliance with ATEX 95 certified equipment

METTLER TOLEDO offers you a wide selection of intrinsically safe weigh-ing solutions, globally certified for explosive environments ranging from Zone 1 and Division 1 to Zone 22 and Division 2. With electrical as well as non-electrical equipment tested and approved for hazardous areas, safety comes first.

High reliability• Calibration management moni-

tors system performance and alerts operators of potential failures or maintenance needs for maximum uptime

Smooth communication • Allen-Bradley® RIO, Profibus® DP

or DeviceNet™

• 4-20mA analog output• Ethernet• Serial interfaces RS232/422/485• Digital I/O: Up to twelve inputs and

eighteen outputs

Accuracy where it countsConnect any type of scale for accuracy in any application:• Up to eight load cells, or• One analog scale, or• High resolution digital scale with

an approved resolution of 32 000e (max. 320 000d)

Hazardous area compliant • ATEX Zone 2/22 and NEC Class 1

Division 2

A real survivor in harsh environ-ments• All stainless steel housing with IP69k

protection• Smooth design for minimized

chemical/biological cross-contami-nation

Supreme noise and vibrationcontrol with TraxDSP™

Embedded in our weighing indicators, TraxDSP™ is synonym for super-fast, multistage digital filtering that can be configured to provide maximum of process integration – where speed and accuracy counts.

TraxDSP™ updates weight signals at a rate > 300Hz and allows filtering of data through multistage digital filters to remove noise. For example, adjust the low-pass filter to match your cut-off corner frequency, set a notch filter

to eliminate any noise in a predefined bandwidth, and set a stability filter for settled weight data. Thanks to this true digital signal processing, you will measure all-time reliable and accurate weights:• While you are mixing, agitating or

simply during your process where dynamic and accurate weighing is a must

• In spite of nearby machinery, which generates noise and vibrations

• In unstable environments

Courtesy Clariant

TraxDSP™ ensures accurate results even in difficult environments with vibration

METTLER TOLEDO Petrochemicals News6

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Scal

es Get to Know the Flow of Your Goods

Many METTLER TOLEDO customers realize immediate and significant revenue savings by weighing vehicles and by filling or discharging on a weighbridge.

METTLER TOLEDO truck and rail scales are Weights & Measures author-ity certified to precisely weigh to 20kg and deliver highest accuracy and reliability even under harsh weather conditions.

The industry-leading POWERCELL® MTX based scales insure your trucks and rail cars are quickly and accurately weighed and that your scale is up and running 24/7. The only time you should see the service techni-cian is during routine maintenance – this translates directly into real cost savings. And, in the very rare event of a cell failure, usually due to a physical damage to the cell or cable, the POWERCELL® MTX net-work instantly reports the failure as

well as the failure location – and a technician is quickly on site get-ting you back up and running. With POWERCELL® MTX load cells, vehicle

Digital MTX POWERCELL® load cells

• Five-year solid warranty• 25–90t / 55 000–200 000lbs• Instant failure notification• IP68/IP69k protection• 3000e–6000e OIML• 5000e-–10 000e NTEP• Zone 1/21 and Divisions 1 & 2

approved• Worldwide approval• Worldwide calibration and expert service• Integral lightning protection

Up and running in no timeAll POWERCELL

® MTX load cells are easily accessible through a maintenance opening in the weighbridge.

scales are successfully operating in many normal and extreme environ-ments, including deserts, Siberia and the Antarctic.

Courtesy Mack Trucks

METTLER TOLEDO Petrochemicals News 2 7

Connect your scale to OverDrive™ vehicle management softwareThe powerful OverDrive™ vehicle scale software is designed to fully con-trol inbound/outbound transactions of your production/storage facility. It enables you to determine what data is important, and allows you to cus-tomize the user interface, tickets and

Highlights of the OverDrive™ basic software package• Database tables for Account, Carrier,

Company, Container, Contract, Driver, Permit, Product, Remark 1, Remark 2, Surcharge, Tax, Trailer, Vehicle, and 25 additional tables

• Multi-axle and split weighing• Security setup for assigning access

rights to users• Transaction maintenance• Weights and measures log• Standard reports and tickets• Wizards for data conversion, data-

base import/export, alarms, and pricing

Highlights of the OverDrive™ advanced transaction module• Capability to customize reports and

tickets (Crystal Reports 9.0 required)• Synchronization module for network

installations synchronizes master database on a server to databases on individual PCs

• Oracle support module can use Oracle® 8i database

• Unattended module enables unat-tended weighing with transaction wizard, touch screen

• Internet package module proc-esses remote transactions via the Internet

• Additional scale module enables software to control as many as six scales

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reports, and provides import/export capabilities for use with your CRM/MES/ERP system. OverDrive software can connect to as many as six scale indicators and to peripheral devices such as traffic lights, gates, card readers, and unattended weighing stations.

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Courtesy Mack Trucks

For more information

Mettler-Toledo GmbHCH-8606 GreifenseeSwitzerlandTel. +41 44 944 22 11Fax +41 44 944 30 60

Your METTLER TOLEDO contact:

Petrochemicals

ErgoSens

Individually configurable sensor – for hands-free operation of the XP ana-lytical balance.

In the Petrochemical Industry, accu-rate and efficient sampling is key for higher yields. Samples of lubricants and other chemicals are weighed on a daily basis for quality control.

The XP analytical balance with the two revolutionary optical sensors “SmartSens”, offers a secure way to weigh even while wearing gloves! With either “SmartSens” or the freely placeble “ErgoSens”, you can carry out up to four weighing operations without touching the balance at all!

Hand-free Technology for Trouble-free Weighing

Weighing of sticky or oily substances for quality control purposes is part of your daily business and requires strict procedures to avoid contact and contamination.

Key benefits• Efficient and accurate sampling • Highest safety in handling toxic

substances• Reduced spillage of viscous samples• Minimized balance contamination• Up to four hands-free operations can

be programmed, i.e. zeroing, taring, opening & closing doors, printout

www.mt.com/petrochemicals

Go wireless

Address up to seven instruments simultaneously. Choices include printer, bar code reader, auxiliary display, or a PC.