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Toray TORAYFIL HFU-2020HN, Instruction Manual

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Toray TORAYFIL HFU-2020HN Instruction Manual Download Page 1

Issued in May 2016 

Revised  in  October  2016 

TORAY Pressurized PVDF Hollow Fiber 

Membrane Module "TORAYFIL

TM

" 

Instruction Manual 

Model: "HFU-2020HN" 

(type HN) 

issued by 

Toray Industries, Inc.

 

Water Treatment & Environment Division 

2-1-1, Nihonbashi-Muromachi, Chuo-ku, Tokyo 103-8666 Japan 

Tel: +81-3-3245-4557 

Fax: +81-3-3245-4913 

URL: http://www.toraywater.com 

BJAFAJCA

 

Summary of Contents for TORAYFIL HFU-2020HN

Page 1: ...iber Membrane Module TORAYFILTM Instruction Manual Model HFU 2020HN type HN issued by Toray Industries Inc Water Treatment Environment Division 2 1 1 Nihonbashi Muromachi Chuo ku Tokyo 103 8666 Japan...

Page 2: ...4 Safety Instruction for Disposal 9 III Specifications of Toray HFU 2020HN Membrane Module 10 IV Configuration of Toray HFU 2020HN Membrane Module 13 V Installation 14 VI Operation 17 1 Filtration 17...

Page 3: ...is suitable for high turbidity water treatment because the air scrubbing can be adopted to remove suspended solid effectively 1 Characteristics of Toray HFU series Membrane Modules 1 High Filtration...

Page 4: ...entrations of acid resulting in better cleaning and longer sustainable membrane flux rates 2 About type HN Type H is a module type which allows high pressure 600 kPa operation Type N is a module type...

Page 5: ...ous situation which will result in serious injury or death when the instruction is not observed This symbol indicates a potentially hazardous situation which will result in serious injury or death whe...

Page 6: ...rt with sufficient amounts of clean running water for more than 15 minutes and see the doctor immediately Be sure to wear safety gear such as a helmet and safety shoes to avoid injury The preservative...

Page 7: ...g Follow the instruction of the Housing Type Joints Set up Guide at the connection point Wrong connections may damage the modules Keep the connection surface free of any dirt or oils Be sure to instal...

Page 8: ...Air left in the modules may cause water hammer and may result in damage to the membrane Prior to use make certain modules are flushed Filtrate water should be drained unless it meets the required qual...

Page 9: ...manual Do not overfeed air to the modules Excessive scrubbing air damages the membranes and or shortens the membrane life The air flow rate should be within the range below for each module type HFU 20...

Page 10: ...contacted part appropriately based on the SDS Do not mix sodium hypochlorite with acid Such mixture generates toxic chlorine gas Stop operation whenever any anomaly occurs with the equipment or any si...

Page 11: ...s please apply a service of a qualified waste disposing company When the module is to be incinerated please apply the appropriate facilities in which hydrogen fluoride HF gas can be neutralized HF gas...

Page 12: ...below 300 kPa 43 5 PSI at any time even during the filtration Table 2 Feed water limits 1 Turbidity Intermittent Peak 4 Standard 100 NTU Potential 5 200 NTU Continuous Maximum Standard 30 NTU Potenti...

Page 13: ...ter Surface 72 m2 775 ft2 Dimensions Diameter 216 mm 8 50 inches Length 2 160 mm 7 087 ft Weight Full of Water 110 kg 243 lbs Drained 67 kg 148 lbs Materials Housing PVC and or equivalent Potting Epox...

Page 14: ...12 Handle and operate the modules within the ranges and the limits indicated in Table 1 to 4 Operation out of these ranges or limits may damage the modules and affect filtration performance...

Page 15: ...of Backwash Water 2 Air Outlet Backwash Water Outlet 3 Feed Water Inlet Air Inlet Drain Outlet Connections Pipe fitting outer diameter mm in Connectors 1 89 1 3 1 2 Housing type joint 80A 2 76 3 3 Ho...

Page 16: ...ochlorite solution 100 mg L of chlorine If this solution splashes onto your skin wash the affected part with running water If the solution gets in your eyes or mouth wash the affected part with enough...

Page 17: ...n the right direction Do not overtighten the module with the hanging hook and or the supporting belt or you may damage the module Do not allow the hollow fiber membranes to dry even for a few hours es...

Page 18: ...he instruction of the Housing Type Joints Set up Guide when using Housing Type Joints A wrong use may cause the damage to the module 6 Air inject should be located just beneath the bottom nozzle of th...

Page 19: ...example of piping 2 Make sure the feed water valve V 1 the drainage valve V 3 and the valve for the scrubbing air V 2 are closed 3 Make sure the filtrate water line is open Open the air exhaust valve...

Page 20: ...riate volume of filtrate water flow Do not exceed 600 kPa 87 0 PSI to avoid damage to the module Operating conditions including the filtration flux and the physical cleaning should be properly set up...

Page 21: ...nutes normally for surface water filtration Please contact us if you need technical support Fig 4 shows a typical example of the flow diagram for backwash and air scrubbing Do not carry out the backwa...

Page 22: ...op the backwashing pump 5 Open the air exhaust valve V 4 and the air scrubbing valve V 2 for air scrubbing for a fixed time normally 30 seconds up to 60 seconds The air flow rate for air scrubbing sho...

Page 23: ...and stop the operation if abnormal water quality is detected If abnormal water quality is detected check the integrity of the element with PDT Pressure Decay Test or DAF Diffusive Air Flow Test The te...

Page 24: ...alled Toray Maintenance Cleaning TMC The TMC is usually held following the backwash and air scrubbing which does not contain the chemical dosing The frequency and soaking time of the TMC mainly depend...

Page 25: ...mp close the backwashing valve V 6 and stop the backwashing pump 5 Soak the membrane in the chemical for a fixed time normally 20 minutes And then open the air scrubbing valve V 2 for a fixed time nor...

Page 26: ...required water quality 9 Make sure the air scrubbing valve V 2 and the backwashing valve V 6 are closed and the backwashing pump is stopped Constantly monitor filtrate water quality during filtration...

Page 27: ...s Membrane Pressure TMP it is necessary to involve the height difference of inlet and outlet pressure gauges Example calculation of TMP TMP Pin Hin Pout Hout 70 10 20 25 60 45 15 kPa Note the followin...

Page 28: ...degree C corrected TMP with multiplying by TCF at real temperature shown in Fig 6 A filtrate flow rate measured at some real temperature can be converted to 25 degree C corrected filtrate flow rate wi...

Page 29: ...If you use the unacceptable chemicals or perform the cleaning altered from the recommended procedure the membrane could be seriously damaged Pay full attention when handling chemicals and be sure to w...

Page 30: ...us if you need the information in detail 2 Open the chemical return valve and then open the chemical feed valve 3 Run the chemical feed pump to start the circulation of chemical and then open the chem...

Page 31: ...amaged and or the life of membrane may be shortened The cleaning temperature should be 20 to 40 degree C The circulation flow rate for each type of the module is as follows HFU 2020HN 50 L min 13 gpm...

Page 32: ...or rinsing and make sure that pH of the water in the module is in the range between pH 6 5 and 7 5 after rinsing Do not use any other chemicals than those indicated above Do not mix sodium hypochlorit...

Page 33: ...ary shutdown or storage In the case of the suspension of operation for less than four days stop the feed water and keep modules full of water Keep the modules at 0 to 40 degree C If the suspension las...

Page 34: ...od Preservative Chemical Concentration of the Chemical More than 7 days Sodium bisulfite 1 000 mg L Rinse the module thoroughly with clean water after the chemical cleaning with sodium hypochlorite an...

Page 35: ...herein or the safety and the compatibility of this product Before using this product the user is asked to check for its safety and compatibility with the intended purpose The content of this Instructi...

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