Wastewater treatment plants involve many pieces of equipment such as motors, pumps and blowers, which makes it important to reduce their electricity consumption and save running costs. Yokogawa provides optimum control solutions with digital technologies to improve energy efficiency.
Sewers and Pump Stations
- Monitoring of influent wastewater
- Wastewater pump control
- Scum pit monitoring
- Raw sludge removal control
- Return sludge control
- Waste sludge removal control
- Discharge water monitoring
- Sodium hypochlorite injection control
- Sludge removal control
- Sludge feed and chemical injection control
- Differential speed control
- Sludge feed to digester tank and sludge removal control
- Digester tank heating control
- Sludge feed control
- Chemical injection control
- Dewatered cake monitoring
- Operation efficiency improvement package: Exapilot
- Event analysis package: Exaplog
- Plant information management system: Exaquantum
- Plant resource manager: PRM
SCADA/PLC & RTU
- SCADA : Fast/Tools
- PLC & RTU: Stardom, FA-M3
Distributed Control System (DCS)
- DCS: CENTUM VP
Safety Instrumented System (SIS)
- SIS: ProSafe-RS
Data Acquisition & Control Equipment
- Paperless recorders : GX10/GX20, GP10/GP20, DL850E/DL850EV, XL120
- Data acquisition equipment : SMARTDAC+ GX/GP series, Daqstation series
- Temperature controller: UT Series Temperature Controllers
- Digital indicating controller: UP Series Program Controllers, UM Series Digital Indicators with Alarms
- Single-loop controllers: YS1000 Series, YS80 Series
Field Wireless Products
- Field wireless multi-function module : FN510
- Field wireless multi-protocol module: FN310
- Wireless differential pressure/pressure transmitter: EJX B Series
- Wireless temperature transmitter: YTA510
- Multi-input temperature transmitter: YTMX580
- Field wireless management station: YFGW410
- Field wireless access point: YFGW510
- Field wireless media converter: YFGW610
- Field wireless integrated gateway: YFGW710
- Versatile device management wizard: FieldMate
- Pressure: EJX, EJA series
- Magnetic flowmeter: ADMAG series
- Vortex flowmeter: digitalYEWFLO series
- Coriolis mass flowmeter: ROTAMASS 3-series
- Ultrasonic flowmeter: US300PM, US300FM
- Temperature: YTA Series
- Level transmitter: EJX, EJA series
- Radar level meter: PULS60Y series
- Guided wave radar level meter: FLEX80Y series
- Ultrasonic level meter: SON60Y series
- pH/ORP analyzer: FLXA402, FLXA202, FLXA21, SENCOM Series
- Conductivity analyzer: FLXA402, FLXA202 , FLXA21
- Turbidity analyzer: TB820D, FLXA402T, TB400G
- Dissolved oxygen analyzer: FLXA402, FLXA202, FLXA21
- Chlorine analyzer: FC800D, RC800D, FLXA402T
- MLSS analyzer: SS400
- Liquid density analyzer: DM8
- More than 1,000 field devices designed to the PROFIBUS specifications installed in the state-of-the-art water reclamation plant.
- The high reliability and accuracy of our field devices contributes to the minimization of maintenance costs over the entire plant lifecycle.
STARDOM field control node (FCN) autonomous controllers allow both Modbus master and slave functions to run simultaneously.
The control of the world's water resource is arguably one of the most important issues. Water demand from industry and domestic users is set to rise throughout the industrialized world. Yokogawa has been applying minimized maintenance measurement systems.
Fish perform all their bodily functions in water. Because fish are totally dependent upon water to breathe, feed and grow, excrete wastes, maintain a salt balance, and reproduce, understanding the physical and chemical qualities of water is critical to successful aquaculture. To a great extent water determines the success or failure of an aquaculture operation.
One of the most common applications for differential pressure transmitters is flow measurement. DPharp differential pressure transmitters have some unique signal conditioning features to eliminate instability at low flow rates.
What is screen differential control? This is a control application commonly found at utility plants located on rivers, lakes and other large bodies of water and at industrial facilities where a large amount of cooling water is used. Screen differential control and monitoring is needed to prevent damage to rotating screens caused by excessive pressure being applied by debris collecting on the screens.
The ADMAG AXR is the world's first 2-wire magnetic flow meter which employs the unique "Dual Frequency Excitation Method," achieving 0.5% of rate of best-in-class accuracy and excellent stability for process measurement. In addition, the newly developed AXR key technologies," achieves the same level of noise immunity as 4-wire type under the fluid condition change and delivers enough performance to meet the requirement to apply in the control loop.
Wastewater from electroplating facilities and certain types of chemical plants contains toxic forms of hexavalent chromium such as chromate and dichromate. The hexavalent chromium in this wastewater must be reduced before the water can be discharged. This requires a two-step process: hexavalent chromium (CR6) is reduced to trivalent chromium (CR3); and CR3 is precipitated as chromium hydroxide.
Industry:Electrical and Electronics
The discharge of improperly treated industrial chemicals and fuel gas can have a major impact on the environment, posing a serious threat to public health. Concurrent with the global growth of manufacturing operations to keep pace with market trends, many countries are taking measures to deal with environmental problems.
In a batch tank, analyzers such as dissolved oxygen (DO) analyzers, oxidation-reduction potential (ORP) meters, and mixed liquor suspended solid (MLSS) analyzers are used. To reduce the maintenance frequency, measures must be taken to prevent dirt accumulation on the sensor. As the liquid level in a tank can vary greatly, great care should be taken when selecting the sensor installation position in a tank.
Cyanide-bearing wastewater from mining and electroplating facilities and certain types of chemical plants is toxic and must be treated by oxidation with chlorine or chloride to bring the cyanide concentration within regulatory limits.
Industry:Electrical and Electronics
Weir-type flow volume calculation using the M series Free Programmable MXS (or VJXS) Computing Units
Environmental data (water quality, amount of flow) is measured on-site and monitored from an office.
Data acquired on the SMARTDAC+ GM can be easily monitored through the company network, even from remote locations.
Taking advantage of sensors already available in your system, you can simply add VJ series signal conditioners or the UM33A Digital Indicator with Alarms to easily build a monitoring system on a PC.
When used to measure the dissolved oxygen in an aeration tank, sensors tend to quickly become contaminated and need frequent cleaning.
The detectors used to perform dissolved oxygen (DO) measurement in oxidation ditch type sewage treatment plants tend to become dirty quickly and require frequent cleaning.
ISA100 Wireless Temperature and Pressure Transmitters
- Gateway x1, Temperature Transmitter (YTA) x1, Pressure Transmitter (EJX) x1
High quality wireless communication confirmed
- Packet Error Rate (PER) is 0 to 2.5%/ 5 days
The worlds of process automation and production management have been converging for some time. What once used to be islands of automation and production management functionality connected through highly proprietary integration schemes that were costly to maintain have developed into integrated platforms that provide seamless data exchange between the world of automation and the plant floor, the functions of production and operations management, and integration with business level systems.
From engineering to installation, commissioning, operations, and maintenance, FOUNDATION fieldbus offer significant cost reductions of 30 percent or more versus conventional analog systems. Many of these cost reductions come from the advanced functions that fieldbus offers versus analog technology.
The automation suppliers that will be successful in the long term will be those that effectively address application or industry specific problems for end users with a value proposition that cannot be ignored. These problems exist throughout the process industries today, and they won't be solved by simply offering a product, but through a combination of hardware, software, services, application expertise, and knowledge.
In ARC's view, customers need a compelling business value proposition to justify investment in any kind of automation. Vigilance and VigilantPlant were created with this in mind. Yokogawa's vision with VigilantPlant is to create an environment where plant personnel and operators are well informed, alert, and ready to take action.
How much do you know about pressure transmitters? Are you accurately, quickly and reliably measuring pressure? Ultimately, the drive of any good pressure transmitter is to get an accurate, reliable pressure measurement to the data user quickly. This video gives you the answers to your basic questions about pressure and pressure transmitters.
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