DERRICK DE-7200 User manual

DE-7200 Centrifuge

Variable Frequency Drive

Issued 30 Oct 09 Rev 01 Jan 14

Maintenance & Operation Manual

DISCLAIMER

Derrick Corporation has taken care to ensure that all of its maintenance and operation manuals are accurate. However, we offer no

guarantees or warranties in this regard. Our manuals are provided only as a guide to assist with the maintenance and operation.

Derrick Corporation takes no responsibility for any losses, damage, or injuries that may occur as a result of using any of our manuals.

It is ultimately the operator’s responsibility to ensure that the operation, repair, and maintenance of equipment complies with all

applicable national and local regulations, including safety regulations.

THIS MANUAL IS PROVIDED BY DERR

ICK CORPORATION ON AN “AS IS” BASIS AND DERRICK CORPORATION EXPRESSLY

DISCLAIMS ANY AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION WARRANTIES OF

MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL DERRICK CORPORATION BE LIABLE

FOR ANY DIRECT, INDIRECT, INCIDENTAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES OF ANY KIND WHATSOEVER WITH

RESPECT TO THE MANUAL AND EQUIPMENT.

Derrick Equipment Company

15630 Export Plaza Drive

Houston, Texas 77032

Phone: 281.590.3003

Toll Free: 1.866.DERRICK

Fax: 281.442.6948

www.derrickequipment.com

UNIT NUMBER IS KEY TO DERRICK SERVICE

All inquiries to Derrick must include the equipment unit number. The

stainless steel unit number tag attached to each piece of Derrick equipment

is your key to efficient service and support.

Typical Derrick Unit Number

This unique number gives vital information to Service personnel who use it to

identify the correct parts when filling orders, provide accurate responses to

service questions, track documentation, and trace the equipment’s history or

configuration. In short, the unit number provides the critical information

needed to ensure that Derrick customers receive the best possible

service.

The unit number consists of a two-character alphabetic prefix that identifies

the equipment type and a series of numeric characters that signify the

sequence of the machine’s manufacture. For example, unit number

MA000001 would be the first screening machine manufactured by Derrick.

Alphabetic prefixes currently in use are:

MA - Screening Machine AD - Desilter and Desander

DG - Degasser AG - Mud Agitator

CF - Centrifuge SF - Screen Frame

To ensure that it will remain intact over many years of rigorous service, the

heavy-gage tag is riveted to a structural member such as the shaker support

structure. It is not to be confused with any other identifier on the machine

such as a vibrator motor serial number.

For convenient availability, the unit number is also recorded in the Operation

and Maintenance manual shipped with the equipment. When contacting

Derrick for any equipment question or need, always have the unit number in

your possession. It’s the best way to get the most efficient service from our

dedicated Service and Engineering personnel.

ABOUT THIS MANUAL

In this electronic manual, all sections and paragraphs listed in the CONTENTS

are linked to the corresponding text.

Navigate the electronic manual as follows:

1. To view any desired information, display the CONTENTS page and move the

cursor to the desired paragraph or section title.

2. To display the desired information, click on the listing when the pointing

finger appears over the text.

3. When finished viewing the text, press Alt + left arrow key to return to the

CONTENTS page.

4. If desired to return to the same information, press Alt + right arrow. To locate

a different item, repeat steps 1 and 2.

5. Blank pages are included to facilitate accurate two-sided printing on a

standard copier. To print any individual section, simply enter the PDF page

number range at the top of the screen (not the page number at the bottom of

each page).

This document contains proprietary information of Derrick Corporation. It is intended solely for the information and use of parties

operating and maintaining the equipment described herein. Such proprietary information may not be used, reproduced, or disclosed

to any other parties for any other purpose without the expressed written permission of Derrick Corporation.

Continuous improvement is a policy of Derrick Corporation. All instructions and procedures are subject to change without notice.

CONTENTS

01 Jan 14 TOC-1

DE-7200VFDCentrifuge

Section

Page

Date

1 - Introduction................................................................

.............................

1-1 15 Feb 12

Overview ................................................................................................

1-1

Safety................................................................................................

......

1-1

Sound Emission ................................................................

......................

1-1

Equipment Use................................................................

........................

1-2

Description ................................................................

..............................

1-2

Mechanical Operation................................................................

..............

1-6

Control System................................................................

........................

1-7

Product Support................................................................

.......................

1-8

2 - Safety................................................................................................

.......

2-1 30 Sep 13

General ................................................................................................

...

2-1

Warnings................................................................................................

2-1

Material Safety Data Sheets (MSDSs)................................

.....................

2-3

3 - Installation...............................................................................................

3-1 01 Jan 14

General ...................................................................................................

3-1

Safety......................................................................................................

3-1

Top Cover Opening/Closing Procedures .................................................

3-2

Storage....................................................................................................

3-2

Installation Sequence ..............................................................................

3-3

Required Clearances and Positioning......................................................

3-3

Equipment Handling................................................................................

3-4

Equipment Positioning and Mounting.......................................................

3-6

Liquid and Solid Discharge Chutes..........................................................

3-8

Equipment Leveling.................................................................................

3-9

Lower and Secure Rotating Assembly.....................................................

3-10

Feed and Flush Connections...................................................................

3-11

Compressed Air.......................................................................................

3-13

Feed Pump..............................................................................................

3-13

Electric Power Connections.....................................................................

3-13

Bowl, Conveyor, and Feed Pump Connections........................................

3-15

Tank Level Switch Connections...............................................................

3-15

Polarity Test ............................................................................................

3-16

Sensor Connections ................................................................................

3-17

Machine Startup......................................................................................

3-18

CONTENTS

TOC-2 01 Jan 14

DE-7200VFDCentrifuge

Section

Page

Date

4 - Operating Instructions............................................................................

4-1

30 Sep 13

General................................................................................................

....

4-1

Software Version ................................................................

.....................

4-1

Operating Safety................................................................

......................

4-1

Top Cover Opening/Closing Procedures................................

..................

4-2

Purge System (Hazardous Environment Only)................................

.........

4-2

Initial Startup................................................................

............................

4-3

Normal Startup................................................................

.........................

4-6

Cold Climate Startup................................................................

................

4-7

Operation................................................................................................

4-7

Bearing Temperatures ................................................................

.............

4-12

Motor Torque Trend................................................................

.................

4-12

System Diagnostics ................................................................

.................

4-13

Performance Status................................................................

.................

4-13

Alarm and Fault Messages ................................................................

......

4-14

VFD Status ................................................................

..............................

4-15

Pump VFD Fault Status ...........................................................................

4-16

VFD Temperature Trends................................................................

........

4-17

VFD Fault Reset................................................................

......................

4-17

Setup Screen................................................................

...........................

4-18

Pump Setup Screen................................................................

.................

4-19

Clean Out ................................................................

................................

4-19

Normal Shutdown ................................................................

....................

4-21

Automatic Shutdown................................................................

................

4-21

Emergency Shutdown................................................................

..............

4-23

5 - Maintenance.............................................................................................

5-1

31 Dec 13

General................................................................................................

....

5-1

Top Cover Opening/Closing Procedures................................

..................

5-1

Preventive Maintenance ................................................................

..........

5-2

Lubrication Chart ................................................................

.....................

5-3

Gearbox Oil Level Check.........................................................................

5-3

Gearbox Oil Change................................................................

................

5-4

Drive Belt Replacement ................................................................

...........

5-5

Purge System..........................................................................................

5-7

Rotating Assembly Maintenance................................

..............................

5-11

Hardware Torque Specifications................................

..............................

5-15

Recommended Spare Parts................................................................

.....

5-15

CONTENTS

01 Jan 14 TOC-3

DE-7200VFDCentrifuge

Section

Page

Date

5 - Maintenance (Cont’d)

Troubleshooting................................................................

.......................

5-17

Alarm and Fault Messages................................................................

......

5-25

VFD Alarm and Fault Cross References................................

..................

5-32

Control Component Indicators................................................................

5-33

6-7 - Not Used

8 - Reference Drawings................................................................................

8-1

01 Sep 11

9 - Installation and Maintenance Log................................

..........................

9-1 30 Oct 09

Appendix A - HMI Server System

15 May 13

SECTION 1 - INTRODUCTION

20 Sep 12 1-1

DE-7200VFDCentrifuge

OVERVIEW

This manual provides instructions for installing and operating the DE-7200 Variable Frequency

Drive (VFD) centrifuge (Figure 1-1). The manual is divided into several sections to assist the user

in readily accessing the information. Instructions include description, theory of operation, safety,

installation, and maintenance. Reference drawings are provided to facilitate parts location and

ordering, as well as for understanding of equipment operation and assist in troubleshooting. The

manual also contains technical documentation provided by outside suppliers. These documents

cover components used in the centrifuge but not manufactured by Derrick.

Figure 1-1 DE-7200 Variable Frequency Drive (VFD) Centrifuge

SAFETY

Section 2 of this manual contains relevant safety information for both operation and maintenance

of this equipment. Be sure this information is read and understood by all personnel.

DO NOT operate the equipment if defective or faulty mechanical or electrical components are

detected.

SOUND EMISSION

Hearing protection is recommended when working on or near the centrifuge. Based on

measurements taken for technically comparable machinery, the centrifuge emits the following

airborne sound levels:

•A-Weighted Machine Surface-Averaged Sound Pressure Level at 1m – 90.9 dBA

•A-Weighted Machine Surface-Averaged Sound Power Level – 109.8 dBA

•C-Weighted Instantaneous Peak Sound Pressure Level – 111.4 dBC

INTRODUCTION

1-2 20 Sep 12

DE-7200VFDCentrifuge

EQUIPMENT USE

The DE-7200 VFD centrifuge is designed for removing low and high specific gravity solids from

slurries. In one type of processing, solids are removed and the liquid is returned for recirculation.

Alternatively, solids are returned to the active system and the liquid is discarded or processed by

a second centrifuge.

Derrick Corporation does not authorize any other use of this equipment. Intended usage of the

equipment includes compliance with the operating, maintenance, and safety procedures included

in this manual.

DESCRIPTION

Major components of the centrifuge (Figure 1-2) consist of the rotating assembly (bowl, conveyor,

and conveyor drive gearbox), bowl and conveyor drive motors, control cabinet, purge unit,

vibration switch, and case and base. The following paragraphs describe these components.

Figure 1-2 DE-7200 VFD Centrifuge Major Components

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