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1 The Environmental Discovery System (EDS) Water Management1.1 Peralatan pelatihanThe EDS -pengelolaan air dirancang untuk mensimulasikan seluruh siklus penggunaan air manusia. Ini dimulai dengan tangkapan air dengan memompa airtanah, mata air atau permukaan air dan termasuk penyimpanan berikutnya dan pemurnian. Ini juga mencakup distribusi air untuk konsumen dan yang digunakan-yang menyebabkan air menjadi air limbah. Lebih lanjut pada transportasi air limbah dengan hujan runoffs dan pengolahan air limbah direproduksi. Dalam sebuah pabrik pengolahan air limbah nyata efluen akhir dilepas ke permukaan air, biasanya sungai. Langsung kembali tidak umum, tetapi efluen sekarang merupakan bagian dari badan air alami yang lagi feed sumber air ekstraksi. Siklus air di EDS pengelolaan air selesai oleh menggunakan kembali limbah akhir sebagai masukan air ke dalam sistem.

Peralatan pelatihan EDS mensimulasikan siklus air ini "buatan manusia" dengan empat sistem:1. Pemurnian air2. Pasokan air3. Transportasi air limbah4. Pengolahan air limbah

Proses seperti memompa, Penyimpanan, flokulasi, desinfeksi dan distribusi air dapat dipelajari melalui latihan praktis. Setelah menambahkan padat materi, kita mengikuti aliran air limbah dan menemukan proses seperti sedimentasi, aerasi dan sludge recirculation.

Dokumentasi yang komprehensif dengan masukan teoritis Selain itu mempromosikan keberhasilan pembelajaran. Empat dari Workbook sesuai langsung ke sistem, sedangkan dua Workbook menyeluruh Selain itu memberikan pengenalan suara ke kontrol loop tertutup teknologi dan energi efisiensi.

The workbooks1. Water purification2. Water supply3. Wastewater transport4. Wastewater treatment5. Monitoring, controlling and optimising operations6. Energy optimisation in water and wastewater treatment plants

Setiap sistem dapat digunakan sebagai peralatan latihan berdiri sendiri untuk modul pembelajaran individual. Peralatan pelatihan yang dapat dimodifikasi secara individual sebagai pipa dan menggunakan sensor yang fleksibel. Jika sistem keempat terhubung mereka membentuk peralatan pelatihan terintegrasi yang mencakup semua proses dan latihan-latihan yang dijelaskan dalam Workbook. Menggunakan sistem bersama-sama memungkinkan mahasiswa untuk melihat bagaimana individu proses langkah berinteraksi serta bagaimana tindakan yang diambil dalam satu area mempengaruhi satu atau lebih dari sistem yang lain.

1 EDS Water Management

12 Festo Didactic GmbH & Co. KG 8027891

13 Festo Didactic GmbH & Co. KG 8027891

Seperti di dunia nyata, proses berinteraksi. Limbah, misalnya, memiliki untuk memproses jumlah dan komposisi air-limbah yang disampaikan oleh sistem saluran pembuangan. Demikian pula, satu sistem pelatihan peralatan terhubung hanya oleh pipa, yang mengangkut air. Sedangkan proses kontrol terpisah untuk setiap sistem. Jadi EDS -pengelolaan air mengajak siswa untuk 'mencoba hal-hal' dan bahkan mensimulasikan masalah, menggunakan pengaturan yang berbeda dan sistem Serikat. Eksperimen ini dapat dilakukan tanpa menimbulkan biaya atau menyebabkan kerusakan, sesuatu yang tidak mungkin dalam air nyata atau limbah.

Setelah menyelesaikan Modul pembelajaran yang dijelaskan dalam Workbook, keahlian siswa akan secara signifikan ditingkatkan. Orientasi praktis yang kuat akan membantu untuk mentransfer pengetahuan dan keterampilan yang diperoleh selama pelatihan langsung ke lingkungan kerja mereka. Pelatihan profesional aktif memberikan kontribusi untuk operasi yang aman dan efisien dari pengolahan dan meningkatkan ketersediaan air minum yang bersih.

EDS Systems data

Dimensi EDS pengelolaan air tanpa tangki penyimpanan utama, meja kerja, dan meja PC Panjang: 2800 mm Lebar: 400 mm Tinggi: 1150 mm dari atas meja

Peralatan pelatihan pengelolaan air EDS dengan semua empat sistem

1.2 Empat sistem EDS pengelolaan air

Pemurnian AirSistem telah dirancang untuk digunakan dalam modul-modul pembelajaran: Pemurnian air Pengoptimalan energi dalam pengolahan air dan limbah

Melakukan latihan pada Sistem Pemurnian Air, siswa belajar prinsip-prinsip, fungsi dan operasi berbagai proses pemurnian air. Selanjutnya, mereka menerapkan keterampilan yang diperoleh untuk menciptakan limbah yang aman bagi lingkungan di satu sisi dan untuk memastikan minum pemurnian air di sisi lain.

Pasokan AirSistem ini telah dirancang untuk digunakan dalam modul pembelajaran: Pasokan air Pemantauan, pengendalian dan mengoptimalkan operasi optimasi energi dalam air dan air limbah pabrik pengolahan

Sebagai sistem yang digunakan dalam tiga modul pembelajaran, jangkauan aplikasi luas dan siswa melakukan banyak latihan di sini. Modul pembelajaran "Pasokan Air" pompa adalah salah satu topik utama, latihan lain berurusan dengan teknologi kontrol dalam transportasi air untuk mencapai distribusi air minum optimal kepada konsumen. Selain itu, aliran air dari sumber ke publik diperiksa.

Transportasi Air LimbahSistem ini telah dirancang untuk digunakan dalam modul pembelajaran: Transportasi Air Limbah Pemantauan, pengendalian dan mengoptimalkan operasi Optimasi energi dalam air dan air limbah pabrik pengolahan

Menggunakan sistem dalam modul pembelajaran "Air Limbah Transportasi", siswa dibiasakan dengan teknologi kontrol penghapusan limbah dan proses terkait lainnya. Aliran air limbah dari permukiman perkotaan ke pabrik air limbah diperiksa.

Pengolahan Air LimbahSistem ini telah dirancang untuk digunakan dalam modul pembelajaran: Pengolahan Air Limbah Pemantauan, pengendalian dan mengoptimalkan operasi Optimasi energi dalam air dan air limbah pabrik pengolahan

Dalam modul belajar "Pengolahan Air Limbah", sistem ini digunakan untuk menggambarkan prinsip-prinsip Proses pengolahan air limbah berfokus pada sedimentasi, pengolahan biologis dan lumpur resirkulasi. Dalam modul pembelajaran "Energi Optimisation" sistem menggambarkan proses dan langkah-langkah yang berkaitan dengan efisiensi energi dalam air dan pengolahan air limbah, terutama aerasi. Untuk modul "Monitoring, mengendalikan dan mengoptimalkan operasi" topik kontrol aliran, aerasi dan mengisi tingkat kontrol dapat dilakukan.



1.3 Piping and instrumentation diagrams

The Water Purification System and the Water Supply System

The Wastewater Transport System and the Wastewater Treatment System

1.4 P&I simbol yang paling penting digunakan untuk EDS untuk pengelolaan airPiping dan Instrumentasi (P & I) diagram menunjukkan tata letak fungsional dari tanaman atau fasilitas. P & I diagram mengandung simbol yang berbeda untuk sensor, katup, aktuator, motor, pompa, tangki dan pipa. P & I diagram di buku kerja ini didasarkan pada EN 62424 masing-masing EN 10628. Untuk menjaga diagram mudah dibaca, sederhana untuk digunakan.

Symbol Meaning

Pump with electric motor

Tank (sedimentation tank shape)

Filter

Pipe

Branching pipe

Actuator (general symbol)

Manual actuator

Manual valve

SensorTop: FIC means flow sensor (F) which shows the current value (I) and can be used for closed loop control (C)Bottom: numbering

Further explanation of the characters in the top of the symbol: see table below

Symbols Examples from the EDS systems

First characterFollowing character(s)

FFlowAAlarm

LLevelCController

PPressureIInstantaneous value

QQualityOOptical signal

TTemperatureRRegistration

DDifference+/-Threshold

Denomination of sensors

1.5 Components

SystemID-No.Component nameFunction

W-PURV103Hand valveThrottle valve

W-PURFIC/B102Flow sensorFlow measurement

W-PURV104Stop valveReturn flow stop

W-PURLIC/B121Pressure sensorLevel measurement

W-PURV102/YS M1022/2-way solenoid valveDrain valve

W-PURB103TankFlocculant /chlorine tank

W-PURV113Hand valveDosage of flocculants / chlorine

W-PURV114Hand valveDosage of flocculants / chlorine

W-PURB102Tank with overflowSedimentation tank

W-PURLSH/B124Capacitive proximity sensorLimit switch for maximum level

W-PURLSL/B123Capacitive proximity sensorLimit switch for minimum level

W-PURAIC/B120Chlorine sensorMeasurement of chlorine content

W-PURLAH/S122Float switchOverfill protection for Tank B102

W-SUPV210/YZ M2102/2-way solenoid valveProtection valve

W-SUPNCS M201/P201PumpFeed pump for Tank B202

W-SUPPI 203Pressure gaugePressure display

W-SUPLAH/S212Float switchOverfill protection --> closure V210

W-SUPB201TankStorage tank

W-SUPLSL/B213Capacitive proximity sensorLimit switch for minimum level

W-SUPFIC/B202Flow sensorFlow measurement

W-SUPLAH/S222Float switchOverfill protection

W-SUPLIC/B221Ultrasonic sensorLevel measurement

W-SUPB202TankElevated tank

W-SUPYS M222/V2222-way ball valve with pneumatic rotary actuatorConsumer valve

W-SUPYS M223/V2232/2-way solenoid valveValve for water wastage simulation

W-SUPV204Hand valveBypass valve for filling of sewage network

W-SUPV221Hand valveConsumer valve

W-SUPV201Hand valveInlet restrictor valve for elevated tank

W-SUPV205Hand valveDrain valve

W-SUPFIC/B220Flow sensorFlow measurement

W-PUR: Water Purification SystemW-SUP: Water Supply SystemWW-TRA: Wastewater Transport SystemWW-TRE: Wastewater Treatment System


WW-TRANS M351Screw feederDosage of solids

WW-TRAX B351Capacitive proximity sensorPulse generator for screwing drive

WW-TRAB303TankStorage tank

WW-TRAQ304PipeSewage conduit overflow

WW-TRAB305Hopper for screw feederSolids tank

WW-TRAGravity sewerWastewater discharge

WW-TRALIC/B311Ultrasonic sensorLevel measurement

WW-TRAB301Tank with overflowOverflow tank

WW-TRALSL/B313Capacitive proximity sensorLimit switch for minimum level

WW-TRAV310Hand valveThrottle valve

WW-TRAYSM302/V302Gate valve with pneumatic actuatorSludge discharge

WW-TRAYC M303/V303Proportional media valve (pinch valve)Throttle valve

WW-TRAFIC/B302Flow sensorFlow measurement

WW-TRALAH/S322Float switchOverfill protection

WW-TRALIC/B321Ultrasonic sensorLevel measurement

WW-TRAB302Tank with overflowSedimentation tank

WW-TRALSL/B323Capacitive proximity sensorLimit switch for maximum level

WW-TRANCSM301/P301PumpFeed pump for Tank B302

WW-TRAV301Hand valveThrottle valve

WW-TRAV305Hand valveDrain valve

WW-TRAV315Hand valveDrain valve

WW-TREB403TankDosage tank

WW-TREAIC/B410Dissolved oxygen sensorMeasurement of oxygen content

WW-TREV413Hand valveDosage of chemicals

WW-TREV414Hand valveDosage of chemicals

WW-TREFIC/B402Flow sensorFlow measurement

WW-TREV401Hand valveInlet restrictor valve

WW-TREB401TankAeration tank

WW-TRELIC B411Pressure sensorLevel measurement

WW-TREV410Hand valveDrain valve

WW-TRENCS M402Air blowerAeration

WW-TRENCS M401/P401PumpRecirculation pump

WW-TRELAH/S412Float switchOverfill protection

WW-TRELSH/B414Capacitive proximity sensorLimit switch for maximum level

WW-TRELSL/B413Capacitive proximity sensorLimit switch for minimum level



WW-TREB402Tank with overflowSedimentation tank

WW-TRELAH/S422Float switchOverfill protection

WW-TRELSL/B423Capacitive proximity sensorLimit switch for minimum level

WW-TREV405Hand valveDrain valve

allNCS M501/P501PumpSubmersible pump

allB501SystainerMain storage tank

allV501Hand valveThrottle valve

allLSL/S512Float switchDry running protection


1.6 Correlating the exercises with the EDS for Water Management SystemsThe table below shows which of the EDS systems can be used for which exercise. The systems concerned are marked with X. If there is no X in a line, the respective exercise is knowledge driven and none of the EDS systems is required. (X) means that it is possible to conduct the exercise with this system. However the systems marked with X are to be preferred.

Correlation of the exercises with the EDS for Water Management SystemsW- PURW- SUPWW- TRAWW- TRE

Brief description

The Brief description also includes exercises for the commissioning ofelectronic sensors, pumps and valves.XXXX

Workbook water purification

2.2.1Iron flocculation using iron hydroxideX

3.2.1Chlorine dosage and measurement of chlorine concentrationX

Workbook water supply

3. Operation of pumps

3.2.1Setting up the pumpX

3.2.2Pressure measurementX

3.2.3Flow measurementX

3.2.4Controlling water supply using hand valvesX

4. Water transport to high tower

4.2.1Control of the filling level while simultaneously withdrawing waterX

4.2.2Manual control of the filling level using 2-way ball valve with pneumaticactuatorX

5. Water supply to different pressure zones

5.2.1Simulation of two settlement zones located on different altitudes (bothsystems are used)X and X

6. Water loss

6.2.1Identification of water lossX

Workbook wastewater transport

2.2.1Wastewater transport in gravity sewers Hydraulic capacity, impounding and backwaterX

3.2.1Transport of solids in sewers with varying flow ratesX

4. Operation of sewer systems

4.2.1Flow control simulating a rain overflow basinX

4.2.2Drain Control closed loop control using the proportional media valveX

Workbook wastewater treatment

2. Sedimentation

2.2.1Analysis of factors affecting sedimentation

2.2.2Simulation of the sedimentation of sludge (granulate)X

2.2.3Analysis of flow ratesX

2.2.4Influence of solids load on sedimentationX

3. Biological treatment (activated sludge)

3.2.1Keeping solids concentration in the aeration tank highX

3.2.2AerationX


Correlation of the exercises with the EDS for Water Management systems (continued)W- PURW- SUPWW- TRAWW- TRE

Workbook Monitoring, controlling and optimising operations

2. Closed loop control technology: Pump

2.2.1Controlling the fill level using a two-step controller(X)XX(X)

2.2.2Controlling the fill level using a continuous controller(X)XX(X)

2.2.3Flow control using a proportional-integral controllerXXXX

3. Closed loop control technology: Proportional media valve

3.2.1Volumetric Flow ControlX

3.2.2Drain ControlX

4. Closed loop control technology: Aeration

4.2.1Controlling the oxygen concentration using a two-step controllerX

4.2.2Controlling the oxygen concentration using a continuous controllerX

Workbook Energy optimisation in water and wastewater treatment plants

2. Energy consumption and power generation

2.2.1Consumption of primary energy

2.2.2Energy saving in daily life

2.2.3Energy consumption in facilities for water- and wastewater treatment

2.2.4Assessment of electrical energy consumption in a wastewater treatment plant

3. Forms of energy, efficiency and power

3.2.1Examination of electrical energy consumptionof the EDS for Water ManagementXXXX

3.2.2Forms of energy

3.2.3Efficiency of the pumpXXXX

3.2.4Energy monitoring of the solenoid valveXXX

4. Interference and water supply

4.2.1Effects of disturbance in the piping systemXXXX

5. Energy optimisation of pumping: closed-loop control

5.2.1Optimising energy consumption in fill level control(X)XX(X)

5.2.2Optimising flow controlXXXX

6. Energy optimisation of aeration and costs

6.2.1Energy consumption of the air blower at different power settingsX

6.2.2Controlling the oxygen concentration using a two-step controllerX

6.2.3Controlling the oxygen concentration using a continuous controllerX

6.2.4Energy consumption of aerationX

6.2.5Calculation of aeration cost

7. Causes for waste of energy

7.2.1Excessive energy consumption and counter measures

8. Energy management

8.2.1Permanent control of the measures and energy optimisation

8.2.2Cost optimisation

9. Energy generation in wastewater plants

9.2.1Estimate the power generation


1.7 Abbreviations

Abbr.Parameter/meaningUnit

EEnergyWatt second [Ws], Joule [J] or newton meter [Nm]

eSystem deviationin a control circuit (closed-loop control)

EDSEnvironmental Discovery System-

KpAdjustable amplification factorin a control circuit (closed-loop control)

PPowerWatt [W] or joule per second [J/s]

pPressurePascal [Pa] or newton per square meter [N/m2] or [bar]with 1 bar = 105 Pa = 105 N/m2

QFlow rateCubic meter per second [m/s] or litre per minute [l/min]with 1 m/s = 60 000 l/min

sdSwitching differencein a control circuit (closed-loop control, 2-step controller)

SIInternational System of UnitsFormer Metric System based on meter,-kilogram,-second as basic units

tTimeSecond [s]

TASampling timeSecond [s] in a control circuit (closed-loop control)

TiAdjustable integral timeSecond [s] in a control circuit (closed-loop control)

UVoltageVolt [V]

VVolumeCubic meter [m3] or litre [l] with 1 l = 10-3 m3

wSetpointin a control circuit (closed-loop control)r

xActual valuein a control circuit (closed-loop control)

YManipulated variablein a control circuit (closed-loop control)

zDisturbance variablein a control circuit (closed-loop control)

W-PUREDS Water Purification System-

W-SUPEDS Water Supply System-

WW-TRAEDS Wastewater Transport System-

WW-TREEDS Wastewater Treatment System-

1.8 Penggunaan yang tepat dan disclaimerEDS untuk Pengelolaan Air hanya dapat digunakan: Untuk tujuan yang telah ditetapkan dalam aplikasi pengajaran dan pelatihan Ketika fungsi keamanan berada dalam kondisi sempurna

Komponen yang termasuk dalam peralatan pelatihan telah dirancang sesuai dengan teknologi terbaru, serta peraturan keselamatan yang diakui. Namun, nyawa dan anggota tubuh dari pengguna dan ketiga pihak dapat terancam, dan fungsi yang aman dari komponen mungkin terganggu, jika mereka digunakan secara tidak benar.

EDS untuk Pengelolaan Air telah dikembangkan dan diproduksi secara eksklusif untuk pendidikan teknis dan kejuruan dan pelatihan (TVET). Masing-masing lembaga pendidikan dan instruktur mereka harus memastikan bahwa semua siswa mematuhi tindakan keselamatan yang dijelaskan dalam buku kerja ini.

Festo Didaktik dengan ini tidak bertanggung jawab atas setiap dan semua kerugian yang diderita oleh mahasiswa, lembaga pendidikan dan / atau pihak ketiga, yang terjadi selama penggunaan peralatan pelatihan dalam situasi yang melayani tujuan apapun selain pendidikan dan pelatihan, kecuali kerusakan tersebut disebabkan oleh Festo Didaktik karena niat jahat atau kelalaian.

1.9 Safety instructions

General Never work alone at the systems and only under the supervision of an instructor.

Electrical Establish and interrupt electrical connections only in the absence of voltage! Protect the AC-power supply with a residual-current device (RCD) or residual-current circuit breaker. Use low-voltage only (max. 24 V DC).Assure correct polarity when connecting certain electrical components, especially sensors. These components may be destroyed in the event of polarity reversal or short-circuiting. Do not pour water over any electrical components. If it happens inadvertently, switch the supply poweroff immediately. The entire system must be inspected for possible damage by the instructor in this case of accidental spillage. Avoid overloading the digital outputs with excessive current. Maximum current consumption of theactuators used must be determined before they are connected.

PneumaticSet system pressure to a value between 3 and 6 bar to operate the 2-way ball valve with a pneumatic semi-rotary actuator. Do not exceed the maximum permissible pressure of 800 kPa (8 bar). Do not activate compressed air until all of the tubing connections have been completed and secured. Do not disconnect tubing while under pressure.

Mechanical Mount all of the components onto the profile plate. Make sure that piping and screw connections are carefully secured.

Process automation Always fill the lower tank in voltage-free state! Switch the 24 V DC supply power off and disconnect the power supply unit from the power supply(230 V AC).Use potable tap water (recommended), which ensures long-term, maintenance-free operation of the system. Do not use distilled water, since it may cause corrosion damage in the valves. Do not exceed the maximum permissible operating temperature of +65 C for the tank.Do not go beyond the maximum permissible operating pressure of 0.5 bar for the liquid in the tubing, tanks and at the sensors. Do not allow the pump to run dry. The pump must not be used with seawater, contaminated liquids orviscous media.Empty the liquid from the system by opening the drain valve after completing the exercises or before changing the piping layout. Inspect the liquid and replace it at least once a week or immediately if contaminated.

Clean the system as required, but in any case at least once a week. Do not use aggressive cleaning materials or scouring agents. The liquid ages if the system is left stagnant for a long period of time. Always empty the tanks and thepiping before leaving the system unused for a longer period of time. Moreover this may result in the growth of bacteria such as legionellae.

Chemical Handle the liquid chemicals carefully and only under the supervision of the instructor. Always wear safety glasses and gloves when working with the chemicals and liquid solutions.If a liquid chemical gets into contact with your eyes or skin, use clean water and wash out the liquid immediately from the affected area. In case of skin irritation and/or persistent pain consult the instructor or the administrative personnel. If a liquid chemical splashes on a furniture surface or on the ground, wash it off immediately and informthe instructor.Keep the chemicals in safe distance from foodstuff and never deposit chemicals in containers, in which foodstuff is stored. Read the safety instructions delivered along with the chemical and observe the safety hints on theproduct packaging.

1.10 Notes for the trainer/instructorPlease observe the specifications in the data sheets for the individual components carefully and in particular all safety instructions in the previous chapter. Before the exercises are conducted, please assess their possible hazards to avoid accidents and emergency situations. Electrical components are pre-wired at the factory, and are mounted onto an H-rail for direct attachmentto the rectangular profile. Alternatively, they can be shipped unwired as a kit. In either case, wiring work must only be carried out by qualified personnel. Like all training products of Festo Didactic, the learning systems of the EDS are strongly practicefocussed. Their prime objective is to increase the professional competence of students by giving them tasks and challenges that reflect actual work conditions. During the training the instructor should strictly focus on the learning outcomes and design the learning process in a way that at the end the learning outcomes are achieved. As the EDS for Water Management training equipment simulates real processes, it represents an idealtool to deliver relevant and state-of-the-art know-how and skills to the students. Consequently, the conduction of the exercises should form the core of the learning process. Theoretical explanations and presentations should only be used to support the knowledge and skill transfer resulting from the exercises. Since the knowledge of students usually differs, the degree how in depth the contents of the learningmodule should be treated might vary considerably. Thus, there is no concrete recommendation concerning the duration of a learning module. Generally, the instructor should plan and conduct the learning module in a way that the students have enough time to execute the exercises, ask questions and share their experience and knowledge.

1.11 Structure of the exercisesThe training equipment and workbooks of Festo Didactic facilitate a didactic approach that is oriented towards hands-on learning. To support the practice-driven approach of the learning process, the exercises play a crucial role. They reflect real work challenges and problems. Therefore it is important that they are always explained in the context of work. Consequently, the exercises are composed of the following structural elements:

Problem descriptionThe problem description creates a scenario from the work place and places the students into a work environment. LayoutSometimes an instruction is given on how to prepare an exercise, which materials are needed and how to assemble the EDS for Water Management System that is used for the respective task(s). Learning outcomesThe learning outcomes allow evaluating students learning success and giving employers an orientation of the students competence level. Moreover they are guidelines for the learning process. TasksTasks contain a short and precise task description and give a clear explanation of what has to be done, to be solved or achieved. Training notesTraining notes give additional tips or information that help the students to successfully work on the tasks. A description of software tools for calculation, measuring, etc., which are useful for the solution of the tasks, might also be included. Training notes for the trainer / instructorThe trainer / instructor notes provide further recommendations, suggestions and information to professionally execute the training and support students effectively in their learning.

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