Related Manuals for Vaisala K-PATENTS PR-23-SD Generation 1
Summary of Contents for Vaisala K-PATENTS PR-23-SD Generation 1
- Page 1 BP-EN-SDGEN1 v. 1.02 Best Practices Vaisala K-PATENTS® Safe-Drive Process Refractometer PR-23-SD Generation 1...
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Page 2: Table Of Contents
Contents Section 1 About This Document ......................3 Section 2 Before Installation ........................ 3 Installation Location Checklist ..................3 Component Checklist ..................... 4 Section 3 Safety Requirements ......................6 Section 4 Installation Process ......................7 Spool piece assembly ....................7 Cutting Installation Opening for SDI Valve .............. -
Page 3: About This Document
This document in intended for PR-23-SD applications that have a steam wash system (typical application for black liquor). NOTE: These instructions are for quick reference only. For more thorough guidance, please refer to Vaisala user manual and documentation. Before Installation Installation Location Checklist... -
Page 4: Component Checklist
● Ensure connection to the power supply (110-230 VAC). If these conditions do not apply, please reconsider the intended location for your installation or contact Vaisala. Component Checklist Before starting installation, make sure you have all the tools and components listed below. - Page 5 M5x8 DIN912 A4-70 Compressed air operated solenoid shut-off valve with steam trap Steam connection hose Sensor connection cable DTR transmitter NOTE: If any of tools or components are missing, contact your supplier before starting installation © Copyright Vaisala 2021. All rights reserved.
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Page 6: Safety Requirements
These safety requirements must be followed at all times when installing, operating, or servicing PR-23-SD sensor. These are the minimum safety requirements – your company may require additional PPE (personal protective equipment). For more information on safety issues, please see Vaisala Safety Instructions. Document/Revision No. BP-EN-SDGEN1 1.02 Effective: January 4, 2021... -
Page 7: Installation Process
● Never operate the Safe-Drive Retractor alone. ● Hard-cap safety boots. Installation Process For more thorough instructions, please refer to Vaisala user documentation or visit the Vaisala website to see the instructional video (www.vaisala.com, PR-23-SD Safe-Drive Operation Guide Video). Installation of the SD sensor system consists of ●... -
Page 8: Cutting Installation Opening For Sdi Valve
Vertical and horizontal spool piece assemblies Cutting Installation Opening for SDI Valve Use the installation guide sticker provided by Vaisala to determine the installation opening shape and size suitable for your process pipe. If you do not have the guide sticker at hand,... -
Page 9: Disassembling Sdi Valve For Welding
Installation on vertical and horizontal pipes Disassembling SDI Valve for Welding To avoid thermal damage to the isolation valve sealing, you must separate the valve body from the valve assembly before it is welded onto the pipe. © Copyright Vaisala 2021. All rights reserved. -
Page 10: Welding Sdi Valve In Place
● See the attached drawings 2149 (MTG) and MTG472 for more detailed welding instructions. ● Follow all local requirements for welding. ● Vaisala recommends complying with the applicable EN / ASTM standards. ● Consider the materials and shapes of the welded objects when performing welding pre-processing (tools, cleaning, preheating). -
Page 11: Reassembling Sdi Valve
NOTE: Make sure that the seals of the ball valve are propely aligned. ATTENTION! ATTENTION! Widest bayonet lug Nyloc nut Valve handle must be must be positioned positioned on top at the top © Copyright Vaisala 2021. All rights reserved. - Page 12 ATTENTION! ATTENTION! Widest bayonet lug Nyloc nut Valve handle must be must be positioned positioned on top at the top Figure 9 Reassembling valve on vertical and horizontal pipes ● Make sure that the SDI valve handle and the largest bayonet connection are on top. Otherwise, you will not be able to insert the sensor in its place.
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Page 13: Installing Steam Prism Wash System
SD sensor system. ● Pipe the steam trap properly to drain so that the trap is not blowing hot steam. ● Steam piping upstream of shut-off valve is ½” or larger. © Copyright Vaisala 2021. All rights reserved. - Page 14 For Vaisala recommendations, please see Vaisala Steam Instructions. ● OPTIONAL, in case of contaminants: To remove any contaminants within the steam source, installing a steam strainer is recommended. See Vaisala list of recommended accessories. ● OPTIONAL, in case of excessive pressure: If the steam pressure exceeds to maximum pressure differential, a pressure reducing valve (PRV) needs to be installed to reduce the steam pressure to optimal design.
- Page 15 2. Install the steam pipes in the SDI valve, as instructed below. NOTE: All the necessary wash fittings are included in the valve. 3. Connect the steam wash system power supply. For more information, please see Vaisala Steam Instructions. Figure 11 Wiring steam wash system For more information on controlling the prism wash cycle, please refer to chapter Configuring relays in Vaisala user documentation.
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Page 16: Inserting And Removing Pr-23-Sd Sensor
Insert and remove the sensor as instructed in the following chapters. For more thorough instructions, please refer to Vaisala user documentation or visit the Vaisala website to see the instructional video on inserting and removing the sensor (www.vaisala.com, PR-23-SD Safe-Drive Operation Guide Video). - Page 17 1. Turn the wheel a quarter turn to the right. 2. Unlock the latch of the outer casing. 90° 3. Turn the casing to the left until the handle is up on top. © Copyright Vaisala 2021. All rights reserved.
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Page 18: Box Flushing
1. Turn the hand-wheel to the left to drop the thread. 2. Lift off Outer casing. 1. Lift up the latch of the inner casing to unlock. 2. Turn the casing a 1/6 turn to the left to release it from the flange. - Page 19 STATUS and activate wash by pressing WASH button. Repeat the wash 3–5 times. 4. Close the 1/4” valve to the box (4). 5. Open the 1/4” valve to the nozzle (5). CLOSE OPEN © Copyright Vaisala 2021. All rights reserved.
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Page 20: Removing Sensor
4.10 Removing Sensor Switch off the DTR to cut off power from the sensor. 1. Remove the sensor nameplate and the gasket underneath. 2. Screw off the cable gland. 3. Disconnect the interconnecting cable 4. Remove the cable from sensor 5. - Page 21 See chapter 4.9 Box Flushing for instructions. 1. Lift the outer casing locking latch. 2. Turn Outer casing a 1/6 turn to the left so that the handle comes up on top. © Copyright Vaisala 2021. All rights reserved.
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Page 22: Removing Wash Nozzle
4.11 Removing Wash Nozzle Remove the wash nozzle as instructed in the following illustrations: For more thorough instructions, please refer to Vaisala user documentation or visit the Vaisala website to see the instructional video on inserting and removing the sensor (www.vaisala.com, PR-23-SD Safe-Drive Operation Guide Video). - Page 23 8. Pull the nozzle out of the isolation valve (4). WARNING: The nozzle tip is hot and may be covered with liquor. It is recommended to rinse the nozzle tip and the isolation valve with hot water. © Copyright Vaisala 2021. All rights reserved.
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Page 24: Inserting Wash Nozzle
4.12 Inserting Wash Nozzle Insert the wash nozzle as instructed in the following illustrations: For more thorough instructions, please refer to Vaisala user documentation or visit the Vaisala website to see the instructional video on inserting and removing the sensor (www.vaisala.com, PR-23-SD Safe-Drive Operation Guide Video). -
Page 25: Installing Dtr Transmitter
WARNING: The transmitter does not have a built-in power switch so it is always powered when connected to a power source. Vaisala recommends mounting an external power switch to control the power supply. - Page 26 ● Connect the cable shield to terminal 3. ● Tighten up the cable gland. ● Screw the nameplate back on. NOTE: To avoid damage from stray voltages and short-circuiting, always disconnect the sensor cables from the transmitter before removing the sensor. Figure 13 Sensor electrical connections 3.
- Page 27 Switch inputs: switch 1 (51), switch 2 (52), switch 3 (53), switch 4 (54) and common 51 52 53 (55). A voltage of 3 VDC is provided over each switch. 54 55 The switch terminals are galvanically isolated. © Copyright Vaisala 2021. All rights reserved.
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Page 28: Commissioning Sd Sensor System
After installing the SDI valve, PR-23-SD sensor, and DTR transmitter, go through the following check list to make sure the SD sensor system is functioning correctly. For more thorough instructions, please refer to Vaisala user documentation or visit the Vaisala website to see the instructional video (www.vaisala.com, PR-23-SD Safe-Drive Operation Guide Video). -
Page 29: Prism Wash Test
NOTE: Your transmitter may not look excatly like the image above during the wash. The visible changes in the curve and the temperature depend on viscosity, steam pressure and temperatures of solids and steam and also to your version of the software. © Copyright Vaisala 2021. All rights reserved. -
Page 30: Calibration Check
(see Prism wash test in the commissioning checklist). When comparing lab results if there is a consistent offset, perform a BIAS adjustment from CALIBRATION menu. For more information, see chapter Calibrating the concentration measurement in Vaisala PR-23 User Guide. Figure 18 BIAS Document/Revision No. -
Page 31: Operating And Monitoring Sd Sensor System
The main task of the operator is to make sure that the washes and steam connections are functioning as they should. To rehearse the use of DTR transmitter, please visit demo.kpatents.net. Vaisala recommends that all new users participate in Vaisala training before using the product. Preventive Maintenance Plan (PMP) Preventive Maintenance Plan (PMP) should be adopted in order to prevent bigger maintenance procedures. -
Page 32: Check Valve Maintenance
Clean the filter in the steam connection line. Verify calibration. Do this as often as your own quality system and local requirements demand. Please use the attached Preventive Maintenance Inspection (PMI) Checklist for recording the weekly preventive maintenance tasks. Check Valve Maintenance Check valve is one of the few moving parts in the wash system. -
Page 33: Appendices
Safe-Drive Process Refractometer PR-23-SD Best Practices, Generation 1 Appendices Preventive Maintenance Inspection Weekly Checklist Inspection report © Copyright Vaisala 2021. All rights reserved. - Page 34 Preventive Maintenance Inspection Weekly Checklist Date CONC CALC TEMP Steam Wash Checked...
- Page 35 Safe-Drive Process Refractometer PR-23-SD Best Practices, Generation 1 © Copyright Vaisala 2021. All rights reserved.
- Page 36 Document/Revision No. BP-EN-SDGEN1 1.02 Effective: January 4, 2021...
- Page 37 Safe-Drive Process Refractometer PR-23-SD Best Practices, Generation 1 © Copyright Vaisala 2021. All rights reserved.
- Page 38 BP-EN-SDGEN1...