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Summary of Contents for TLV RGDS
- Page 1 172-65608MA-03 (RGDS) 5 October 2021 Steam Desuperheating System RGDS Copyright © 2021 by TLV CO., LTD. All rights reserved...
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Page 2: Table Of Contents
TLV EXPRESS LIMITED WARRANTY ......19 Service ................21 Introduction Thank you for purchasing the TLV steam desuperheating system RGDS. This system has been thoroughly inspected before being shipped from the factory. When the product is delivered, before doing anything else, check the specifications and external appearance to make sure nothing is out of the ordinary. -
Page 3: Safety Considerations
The three types of cautionary items above are very important for safety: be sure to observe all of them as they relate to installation, use, maintenance, and repair. Furthermore, TLV accepts no responsibility for any accidents or damage occurring as a result of failure to observe these precautions. - Page 4 Improper piping work may lead to discharge of fluids, causing burns, other injuries or damage. Do NOT touch terminals when power is on. This may lead to system breakages, erroneous operation, electrical shock or fires. 172-65608MA-03 (RGDS) 5 Oct 2021...
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Page 5: System Control
(2) static mixers connected in series and later on through a cyclone separator to remove the excess water that could exist. System Features The following are some features of the desuperheating system (RGDS) from TLV. Stable and steady steam pressure supply ... -
Page 6: System Specifications
Steam Discharge 200 to 30,000 kg/h (450 to 66,000 lb/h) Standard products when the components are supplied by TLV. The model type may differ depends on the installation environment. This device is required when the pressure of the desuperheating water supplied to the system is insufficient. -
Page 7: System Description
Local regulations may restrict the use of this system to below the conditions quoted. The TLV standard desuperheating system (RGDS) consist of three sections: Pressure reducing section, desuperheating section and water mixing and separation section. -
Page 8: Installation
Water Injector (G) 2. Install the temperature sensors (D) so that the sensor portion is inserted into the piping. Piping Sensor Portion 172-65608MA-03 (RGDS) 5 Oct 2021... - Page 9 There is no restriction on the direction the mixer partitions face in the end of the flanges on the upstream and downstream sides. 4. Ensure the steam trap (J) on the condensate outlet of the injector (I) is installed in a location where inspections and maintenance can be performed. 172-65608MA-03 (RGDS) 5 Oct 2021...
- Page 10 3. Install a strainer to prevent foreign matter from entering the suction side of the pump (K). 4. Set a minimum flow line for the pump (K) and make sure not to operate the pump under shut-off conditions. 172-65608MA-03 (RGDS) 5 Oct 2021...
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Page 11: Pre-Commissioning Verification
Process for maintenance work in the event of a problem, or preparations for such work Preparations for the load (steam venting) for steam control adjustment Note: Commissioning should be conducted with TLV personnel present. 172-65608MA-03 (RGDS) 5 Oct 2021... -
Page 12: Normal Operation And Shutdown Procedures
2. Verify that the steam temperature is stable at the target value. Check visually that the amount of condensate discharged by the separator is normal. * Unnecessary if sharing the same control box as the pressure reducing section. 172-65608MA-03 (RGDS) 5 Oct 2021... - Page 13 3. Verify that the temperature control valve is fully closed, and then close the manual valve on the primary side of the temperature reducing valve. 4. Stop the electricity supply for the control box and close the valves for the air supply to the control valve instruments. 172-65608MA-03 (RGDS) 5 Oct 2021...
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Page 14: Maintenance And Inspection
Other accessories Daily inspection Values indicated by the pressure/temp. gauges Monthly inspection, Disassemble and clean Y strainers, blow strainers with condensate blow valves maintenance point Steam trap and condensate separator operation Spray nozzle is not blocked 172-65608MA-03 (RGDS) 5 Oct 2021... - Page 15 When liquid leakage is observed or after 8000 hours operation Shaft, bearings Every 2 to 3 years Gaskets When liquid leakage is observed or when disassembling Refer to individual instruction manuals for other maintenance and inspection procedures. 172-65608MA-03 (RGDS) 5 Oct 2021...
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Page 16: Troubleshooting
A thermal relay has tripped or the Disassemble and cannot be wiring is disconnected clean the pump activated If the motor is broken, replace the motor Reset the thermal relay Continued on the next page 172-65608MA-03 (RGDS) 5 Oct 2021... - Page 17 Check for abnormal sounds from Replace with a new inside the the positioner positioner pressure control (Investigate whether valve positioner the valve aperture are broken changes frequently or the ambient temperature is too high) Continued on the next page 172-65608MA-03 (RGDS) 5 Oct 2021...
- Page 18 (The sensor is measuring the temperature of the condensate on the bottom of the piping) Continued on the next page 172-65608MA-03 (RGDS) 5 Oct 2021...
- Page 19 CV at the replace with a new input current of connection terminals controller the temperature control valve Desuperheating Check whether there is a correct Supply steam at the water pressure steam pressure correct pressure is too low 172-65608MA-03 (RGDS) 5 Oct 2021...
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Page 20: Tlv Express Limited Warranty
Subject to the limitations set forth below, TLV CO., LTD., a Japanese corporation (“TLV”), warrants that products which are sold by it, TLV International Inc. (“TII”) or one of its group companies excluding TLV Corporation (a corporation of the United States of America), (hereinafter the “Products”) are designed and manufactured by... - Page 21 WARRANTY NOT NEGATED HEREBY, AND ANY IMPLIED WARRANTY NOT NEGATED HEREBY, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, DO NOT COVER, AND NEITHER TLV, TII NOR ITS TLV GROUP COMPANIES WILL IN ANY EVENT BE LIABLE FOR, INCIDENTAL OR...
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Page 22: Service
Service For Service or Technical Assistance: Contact your TLV representative or your regional TLV office. In Europe: Tel: [49]-(0)7263-9150-0 Daimler-Benz-Straße 16-18, 74915 Waibstadt, Germany Fax: [49]-(0)7263-9150-50 Tel: [44]-(0)1242-227223 Units 7 & 8, Furlong Business Park, Bishops Cleeve, Gloucestershire GL52 8TW, U.K.
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