background image

 

GIRE-097-2-2 

Submerged Membrane Module 

for MBR 

TORAY “MEMBRAY” 

 

"TMR090 Series"

 

Instruction Manual

 

 

 

 

Toray Industries, Inc. 

Water Treatment Division

 

1-1, Nihonbashi-muromachi 2-chome, Chuo-ku, Tokyo 103-8666 Japan 

Tel: +81-3-3245-4542 

Fax: +81-3-3245-4913 

URL: http://www.toraywater.com 

Published: April 2013

 

Summary of Contents for TMR090 Series

Page 1: ...BR TORAY MEMBRAY TMR090 Series Instruction Manual Toray Industries Inc Water Treatment Division 1 1 Nihonbashi muromachi 2 chome Chuo ku Tokyo 103 8666 Japan Tel 81 3 3245 4542 Fax 81 3 3245 4913 URL...

Page 2: ...ration Process 14 3 Layout of TMR090 Series Modules in Membrane Submerged Tank 19 4 Piping 22 V INSTALLATION OF TMR090 SERIES 26 1 Preparatory Procedure 26 2 Unloading lifting Products 26 3 Checking P...

Page 3: ...ROUBLESHOOTING 59 XI APPENDIX 60 Symbols used in this manual This symbol is used to indicate an imminent hazardous situation which if not avoided will result in serious injury or death This symbol is...

Page 4: ...ily cleaning operation of air diffusers and increases the oxygen dissolution efficiency This manual describes the specifications of TMR090 Series necessary peripheral equipments and the safe and prope...

Page 5: ...2 Outline of TMR090 Series TMR090 Series is the membrane module composed of the element block and the aeration block The element block contains a number of membrane elements set at equal clearance ea...

Page 6: ...stalled at the bottom side Fig I 5 This mechanism ensures stable filtration since the membrane does not easily admit of sludge adherence to its surface In addition shorter element 1059 mm compared to...

Page 7: ...tributed evenly over the membrane surface with a sharp pore size distribution This structure gives outstanding high treated water quality and excellent water permeability making the membrane highly re...

Page 8: ...ion operation can be recovered in a short time by replacing relevant elements one by one with spare ones 5 Fine bubble Air Diffusers TMR090 Series is equipped with fine bubble air diffusers which sign...

Page 9: ...y of workers At transportation storage and installation please take appropriate measures to protect TMR090 Series or its part from damage Please don t put any heavy objects on the module Please take c...

Page 10: ...d water which contains considerable amount of iron manganese calcium or silica for the clean water operation as it may cause the clogging of the membrane Don t continue the clean water operation unnec...

Page 11: ...t stop the scouring air for each relaxation period 2 In case that the plant operation stops for a while aeration is applicable for mixing or aeration demand however the flow rate should be controlled...

Page 12: ...erged in the liquid and the liquid level of the membrane submerged tank is higher by more than 300 mm than the top of the module Please store the chemical agents in a dark cold place free from direct...

Page 13: ...area m2 0 9 Dimensions mm Total width 515 Total height 1059 Thickness 13 5 Weight kg Dry 3 0 Wet Reference 5 0 Main material Membrane PVDF and PET non woven fabric Supporting panel ABS resin Permeate...

Page 14: ...30 730 Length mm 990 1720 Height mm 1470 1470 Weight kg Module dry Aeration block Element block 265 460 Module wet Maximum weight in case of sludge clogging 2 475 885 Material Permeate water manifold...

Page 15: ...uideline during a period specified separately by Toray 2 Measuring method of TSS is complied with Standard Method of Examination of Water and Wastewater 20th Edition 1998 Section 2540D Total Suspended...

Page 16: ...n in Fig IV 1 While the filtration is suspended the membrane surface is cleaned up more effectively with the scouring air due to the absence of suction Although the automatic system control for period...

Page 17: ...the membrane submerged tank or the modules might be polluted and clogged severely with trashes brought with the raw water It is also recommended to prepare enough capacity of the buffer tank flow equ...

Page 18: ...l valve the permeate control valve When the liquid level of the membrane submerged tank gets to the lower limit this control valve fully closes the permeate water line to stop the filtration When the...

Page 19: ...it filtration has to be stopped If the water level reaches the upper limit the level controller will stop raw water inflow In some cases with this pump suction configuration an equipment may be needed...

Page 20: ...eries modules simultaneously in one train it is advised to install one flow rate controller for one train of the modules c Differential pressure measuring instrument For trans membrane pressure TMP de...

Page 21: ...r for each train f Suction pump A suction pump is required in the case of pump suction configuration Accurate flow rate control is needed for the suction pump with VFD control The use of a volute pump...

Page 22: ...the membrane surfaces and at the same time mixes sludge liquid It is very important to arrange the membrane modules with appropriate distances in order to obtain an effective circulation flow Fig IV 5...

Page 23: ...mmended to install the modules with adjustable stands as shown in Fig IV 6 so as to set modules horizontally when installing on an unlevel tank floor Fig IV 6 Installation with Stands side view 2 Layo...

Page 24: ...rged Tank with other aeration equipment top view Please keep twice of W1 of the distance between the modules and other aeration equipment in the case shown in Fig IV 8 Tank wall 2 W1 W1 W2 W2 W3 W3 Mo...

Page 25: ...ached to this manual 1 Pipe Arrangement for the air diffusers The pipe from the air supply device the blower is connected to the air diffusers with the screws A as shown in Fig IV 9 11 It is recommend...

Page 26: ...r diffusers for TMR090 100S Installation of One Unit A A B B B PG Fig IV 11 Example of Piping to Air Diffusers for TMR090 100S Installation of Multiple Units Header Pipe Header Pipe Header Pipe Header...

Page 27: ...dered when choosing blowers Rotary turbo or centrifugal blowers can be used for membrane scouring Oil free blowers are recommended in order to avoid the accidental contamination of the scouring air wi...

Page 28: ...ng cases the chemical injection valve and the air discharge valve should be installed on a branch pipe of the line from the permeate water manifold to the permeate water valve The devices necessary fo...

Page 29: ...The element block contains a fixed number of membrane elements installed in it 2 Do not hoist the delivered cardboard box which contains element block s and aeration block s Please use forklift for m...

Page 30: ...damage Especially please protect them from sparks caused in welding fusion cutting or grinding using fireproof sheets or other protective measures If TMR090 Series is to be stored outdoors unavoidably...

Page 31: ...l and longitudinal directions Basically there are two ways of placing module depending on whether guiderail system is applied or not In case that guide rail system is applied for easy lifting up down...

Page 32: ...ment of height with the brackets on its both ends please adjust the brackets to install manifold horizontally or to raise the permeated water outlet side a little higher than the other side in order t...

Page 33: ...n as it may contain much amount of iron manganese calcium and silica which may cause the clogging in the membrane 2 Clean water operation After feeding clean water to the membrane submerged tank pleas...

Page 34: ...brane submerged tank with the following steps 1 Transport fresh and healthy activated sludge from the other wastewater treatment plant treating the same kind of wastewater Activated sludge with higher...

Page 35: ...e fouling 2 Sludge parameters such as MLSS and sludge filterability should be checked frequently to assess the actual sludge condition 3 Check the air diffuser cleaning procedure and confirm it works...

Page 36: ...P F 663 Schill Seilacher Structol SB2032 Table VII 1 Standard Operating Conditions for TMR090 Series Parameter Unit Operating condition MLSS mg L 7 000 18 000 Sludge viscosity mPa s Not higher than 10...

Page 37: ...H temperature trans membrane pressure or any other conditions even if they are within the standard operating conditions Table VII 1 Replace consumable parts regularly after inspection Protect the modu...

Page 38: ...ters for the operation of TMR090 Series 1 Scouring Air Flow rate blower air flow 2 Diffusion pressure blower discharge pressure 3 Permeated water flow rate 4 Trans membrane pressure TMP 5 Permeated wa...

Page 39: ...hen no air comes to MBR tank and to ensure enough sludge mixing when restarting pump is allowed to run after one minute delay from starting MBR air flow It will stop during air diffuser cleaning 2 Mem...

Page 40: ...is supplied from the diffuser by checking air flow meter and pressure gage of the air supply line Also check that the air is diffused evenly within one module and also evenly among modules Deviation...

Page 41: ...nk should be kept at oxic condition If DO is less than 1 0 mg L take necessary actions such as increasing the air flow rate of the biological aeration unit or lower the sludge concentration by increas...

Page 42: ...he operating condition and biological condition and take necessary actions 11 Sludge filterability Paper filtration method is simple and reliable method to grasp the filtration property of the sludge...

Page 43: ...fied treatment flow rate is not gained even after chemical cleaning or when deteriorated whichever comes first 6 Replace air diffusers once in 3 years or when extraordinary uneven diffusion is detecte...

Page 44: ...re 1 Repeat the operation of turning on and off the blower several times or increasing and decreasing the blower air flow several times This operation expands and contracts the rubber part of air diff...

Page 45: ...ded to observe how many months it takes for the trans membrane pressure to rise by 5 kPa 50 mbar and conduct chemical cleaning periodically within safety interval This measure is a sure way to conduct...

Page 46: ...at care Avoid toppling bumping or dragging it c Take care not to cause leak spillover or spattering Don t cause dust or vapor d Firmly seal the container after use e Thoroughly wash your hands and fac...

Page 47: ...ct with air b Use corrosion resistant containers for storage 3 Citric acid HOOCCH2C OH COOH CH2COOH A Handling precautions a Keep away from strong acids and bases b Handle the chemical container with...

Page 48: ...or clothes immediately wash it away with a large amount of running water If chemicals should enter an eye immediately wash it away with a large amount of running water and see the doctor Store chemic...

Page 49: ...v Slowly open the chemical injection valve to start injecting the chemical vi After injecting the specified amount of chemicals to the elements stop the chemical feed pump vii Hold the equipments for...

Page 50: ...tion for a period of 2 or more intermittent cycles Send back the permeated water to the raw water tank or dispose of it in accordance with applicable legal standards for waste disposal Before restarti...

Page 51: ...ack the permeated water to the raw water tank or dispose of it in accordance with applicable legal standards for waste disposal Before restarting the normal operation check the pH and or Cl concentrat...

Page 52: ...s free from effects of the chemical for a period of at least 2 intermittent cycles or dispose of it in accordance with applicable legal standards for waste disposal e If sodium hypochlorite cleaning i...

Page 53: ...ors 3 Disjoint the connection of the manifold and the air diffuser and lift the modules Please contact us beforehand if the modules are installed on the bottom of the membrane submerged tank in the wa...

Page 54: ...ove the three element fixing brackets from the element block one center bracket and two side brackets 2 Replace the comb gaskets from each bracket The gaskets consist of several parts according to the...

Page 55: ...lacement procedure above 3 Pull up elements vertically one by one Using the element pullout tool option tool is recommended 4 Insert new elements into the element block along the guides Be careful not...

Page 56: ...b gaskets EPDM rubber of the element fixing bracket Be careful not to damage the element during the element replacement works Particularly be careful not to scratch the membrane surface Optional extra...

Page 57: ...pipe 3 Seal the nipples of new air diffusers with Teflon seal tape 4 Joint the new air diffusers to the header pipes Please use the pipe wrench to tighten the joint Don t fasten tight by grabbing the...

Page 58: ...the header pipes to the aeration block while fixing air diffusers on the pipe supports Be careful not to damage the rubber parts of air diffusers Element block header pipe pipe support CAUTION No Slit...

Page 59: ...be low 50 ppm to prevent from possible damage to the module stainless steel by long time exposure 5 In case aeration of the tank is required its duration shall be short enough 5 minutes per hour to av...

Page 60: ...y regulation disassemble the module and segregate its constituent accordingly e g combustible incombustible 3 Regarding membrane do not burn it without appropriate facilities since harmful Hydrogen Fl...

Page 61: ...mb gasket TMR090 050S Middle Every 3 years or when deterioration detected whichever comes first GASKET090 050M Side GASKET090 050S TMR090 100S Middle GASKET090 100M Side GASKET090 100S Element When th...

Page 62: ...al cleaning Sludge accumulated on the membrane surface because of uneven air diffusion Inspect the blower and clean the air diffusers to improve air diffusion Carry out chemical cleaning Abnormal prop...

Page 63: ...of Paper filter test This Instruction Manual does not intend to guarantee the results of application of the information provided herein or the safety and the compatibility of this product Before usin...

Page 64: ......

Page 65: ......

Page 66: ......

Page 67: ......

Page 68: ......

Page 69: ......

Page 70: ......

Page 71: ......

Page 72: ......

Page 73: ...tion time 5 After 5 minutes check the filtration volume Criteria More than 10 mL Good filterability 5 10 mL Subtle Less than 5 mL Bad filterability 6 Additionally it is advisable to check the turbidit...

Reviews: