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Toray TORAYFIL HFU-B2315AN, Instruction Manual

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Toray TORAYFIL HFU-B2315AN Instruction Manual Download Page 24

 
 

 

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Constantly  monitor  filtrate  water  quality  during 
filtration, 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 test procedure is provided as the 
technical information by Toray. 

 

Summary of Contents for TORAYFIL HFU-B2315AN

Page 1: ...ane Module TORAYFILTM Instruction Manual Model HFU B2315AN type AN issued by Toray Industries Inc Water Treatment Environment Division 2 1 1 Nihonbashi Muromachi Chuo ku Tokyo 103 8666 Japan Tel 81 3...

Page 2: ...nstruction for Disposal 9 III Specifications of Toray HFU B2315AN Membrane Module 10 IV Configuration of Toray HFU B2315AN Membrane Module 13 V Installation 14 VI Operation 18 1 Filtration 18 2 Backwa...

Page 3: ...ess Additionally outside in modules are able to remove suspended solids more effectively at higher recovery rates compared to inside out fibers 1 Characteristics of Toray HFU series Membrane Modules 1...

Page 4: ...centrations of chlorine and with high concentrations of acid resulting in better cleaning and longer sustainable membrane flux rates 2 Applications of Toray HFU series Membrane Module Drinking Water P...

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: ...than 15 minutes and see the doctor immediately Be sure to wear safety gear such as a helmet and safety shoes to avoid injury due to falling of the modules The preservative solution should be drained...

Page 7: ...onnection point Wrong connections may damage the modules When connecting and unconnecting the modules to the piping be sure to secure a sufficient working space and take care not to catch and hurt fin...

Page 8: ...vent to remove any air from the modules 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 d...

Page 9: ...s or pipings may blow away or behave violently during air scrubbing Do not overfeed air to the modules Excessive scrubbing air damages the membranes and or shortens the membrane life The air flow rate...

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: ...articles 3 TMP Trans Membrane Pressure should be below 300 kPa 43 5 PSI at any time even during the filtration Table 2 Feed water limits 1 4 Turbidity Intermittent Peak 5 200 NTU Continuous Maximum 50...

Page 13: ...nsions Diameter 178 mm 7 01 inches Length 2 332 mm 7 651 ft Weight Full of Water 65 kg 143 lbs Drained 35 kg 77 lbs Materials Housing PVC and or equivalent Potting Epoxy and or equivalent Connections...

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: ...eed Water Inlet Air Inlet Drain Outlet Connections Pipe fitting outer diameter mm in Connectors 1 60 3 2 Housing type joint 2 inches U S 2 57 91 2 28 Original AS568 325 Gasket 3 60 3 2 Housing type jo...

Page 16: ...at the preserving chemical is sodium hypochlorite solution Max 200 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...

Page 17: ...module is installed in the right direction Do not overtighten the module with connections and or the supporting belt or you may damage the module Do not allow the hollow fiber membranes to dry even f...

Page 18: ...ipping your fingers Keep the connection surface free of any dirt or oils Follow the instruction of the connection submitted by the supplier A wrong use may cause the damage to the module 6 Air inject...

Page 19: ...17 7 Make sure that the module is installed vertically If the module is not installed vertically the effect of the air scrubbing would be reduced and an effective filtration will be impaired...

Page 20: ...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 21: ...riate volume of filtrate water flow Do not exceed 300 kPa 43 5 PSI to avoid damage to the module Operating conditions including the filtration flux and the physical cleaning should be properly set up...

Page 22: ...ntact us if you need technical support Fig 4 shows a typical example of the flow diagram for backwash and air scrubbing 1 Close the feed water valve V 1 and stop the feed water pump 2 Open the air exh...

Page 23: ...ng for a fixed time normally 30 seconds up to 60 seconds The air flow rate for air scrubbing should be within the range below Excessive air flow rate may damage the hollow fiber membrane HFU B2315AN 3...

Page 24: ...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 25: ...f the TMC mainly depends on the raw water quality Normally once a day and each soaking time are 20 minutes Please contact us if you need technical support Fig 5 shows a typical example of flow diagram...

Page 26: ...damage the hollow fiber membrane HFU B2315AN 3 6 6 7 Nm3 h normally 4 5 Nm3 h 2 1 3 9 scfm normally 2 6 scfm The maximum required air pressure during the air scrubbing for inside of the module will b...

Page 27: ...ed Constantly monitor filtrate water quality during filtration and stop the operation if abnormal water quality is detected If abnormal water quality is detected check the integrity of the element wit...

Page 28: ...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 29: ...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 30: ...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 31: ...n be changed case by case Please contact 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 circu...

Page 32: ...hown in Table 5 The concentration and the circulation time shown in Table 5 should be observed Otherwise the membrane module may get damaged and or the life of membrane may be shortened The cleaning t...

Page 33: ...31 oxalic acid with the maximum concentration of 1 0 wt sulfuric acid with the maximum concentration of 0 05 mol L and nitric acid with the maximum concentration of 0 1 mol L are acceptable...

Page 34: ...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 35: ...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 36: ...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 37: ...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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