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Home -  Automation & Remote Monitoring

    Automation & Remote Monitoring

    Indus STP Automation & Remote Monitoring

    Indus the Pioneer in Wastewater Treatment offers “Remote Monitoring Systems” specially designed for Sewage treatment plants. The objective is to enhance the operational efficiency of the STPs and reduce operational/service costs.   Real time status parameters of any INDUS STP anywhere in India can be obtained from a single location. Working on a custom designed software application, provides central supervisory ‘control and monitoring’ sewage treatment plant.  Software communicates to Local Control Unit (LCU) on the site for control operations using any GSM SIM.

    Why Remote Monitoring?

    Problems with the Current Systems:

    • Plant operators are not well versed with the technical aspects of the STP and cannot interpret instrument values such as flow, pressure         etc.

    • A site complaint is received only when the flow reduces drastically (or) the plant completely breaks down.

    • Site Operators do not backwash sand/carbon filters timely nor do they change cartridges when required.

    • Site Operators may be pumping too little or too much sewage into bio-reactor.

    • Site Operators may not ensure dosing chemical & pumps operation

    • Dosing pump may not be pumping / chemical tank may be empty

    • Log books are rarely maintained at site.

    • Service calls are always an emergency. The cost of providing the service has to borne by the supplier providing the service or any material     consumed.

    • Prevention is better than cure- This rarely happens on site. Operators do NOT read & analyze symptoms to avoid potential problems. With     remote monitoring this function is attended by skilled supervisors at office. 

    Automation specifications

    1. Feed Tank Level: Float level switch control feed pump operation. If the level is below a set point (lowest level), feed pump will switch off. If     the level is too high, an emergency drain pump will switch on and critical alert will be generated to draw operator attention.

    2. Feed Pump: Motor control circuit will be provided to prevent pump from burning due to

    • Low voltage

    • High voltage

    • Phase imbalance (single / two phase supply)

    • Low / high frequency

    • Dry pump running (due to suction blockage etc)

    Feed pump interchange: working & standby pump duty cycle interchanges every 4 hours (or as programmed by us / user). In the event of one pump failure, the second pump will be switched on automatically and a critical alert will be generated. This will continue till the problem is rectified.

    Treat lesser sewage more effectively:  By increasing the starting time delay between working to standby pumps, we can effectively treat lesser volume of sewage (30% to 100% of plant capacity).

    3. Flow Measurement & reporting: Custom designed digital flow meters to measure and record data of flow per hour & per day. This will be reported daily or on demand.

    4. Blower Operation: Working & standby air blower duty cycle interchanges every 4 hours (or as programmed). When the working blower fails, the stand bye blower will be switched on automatically and a critical alert will be generated. This will continue till the problem is rectified.

    Motor control circuit will be provided to prevent blower motor from burning due to

    • Low voltage

    • High voltage

    • Phase imbalance (single / two phase supply)

    • Low / high frequency

    Lower sewage generation: By increasing the starting time delay between working to standby blowers, we can effectively treat lesser volume of sewage (30% to 100% of plant capacity). This will save energy.

    5. Sludge Pump Operation: Sludge pump on & off time can be programmed to make it fully automatic. Working stand by interchange is           similar to that of feed pumps with critical alert in case of failure. Sludge pump is fully protected from  burning due to

    • Low voltage

    • High voltage

    • Phase imbalance (single / two phase supply)

    • Low / high frequency

    • Dry pump running (due to suction blockage etc)

    6. Chlorine Dosing: Dosing pumps not dosing chemical will be detected by a dosing switch and an SMS alert will be sent.

    7. Filter Feed Pumps: These pumps operation will be controlled by float level switches in the filter feed tank. If the tank is empty, pumps will switch off. Working stand by interchange is similar to that of feed pumps with critical alert in case of failure. Pumps are fully protected from  burning due to

    • Low voltage

    • High voltage

    • Phase imbalance (single / two phase supply)

    • Low / high frequency

    • Dry pump running (due to suction blockage etc)

    Filter feed pump will switch off when the level in the treated water tank is full (as determined by a float level switch)

    8. Multiport Valves: Automatic multiport valves will go into backwash mode when

    • After flow of programmed volume of water

    • After operation of number of hours of filter feed pumps

    • On demand from the site or from remote central computer.

    • Service, backwash & rinse will happen as per program without any operator

    9. Power consumption data:  If an energy meter with RS-485 port is available on site, data such as power consumption in units, voltage,         frequency etc will be recorded in log.

    10. Unauthorized tampering of local control unit on site: Any modification of operating parameters on site will be intimated to the central         computer and by SMS to pre-determined numbers. Even a manual switch off will generate an alert.

    11. The local control unit is pass word protected to prevent un-authorized modification.

    Log will be maintained for

    1. Critical alerts generated

    2. Flow rate & total volume treated

    3. Electrical data: voltage, current, Kwh, frequency, power factor etc

    4. Status of various pumps and tank levels

    Cumulative plant operation time

    Critical Alerts

    To two mobile numbers viz., to the  user / operator and our service engineer.

    SMS will be sent to the two numbers in case of

    • Feed pump stoppage due to level in collection tank

    • Any pump failure

    • Dosing pump failure or non-dosing of chemical

    • Any blower failure

     

    For more information contact us or Email us at sales@modernstp.com