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Three-Phase Oil–Water–Gas Separator Overview

Gul Bahar Shah
  ⚙️ Three-Phase Oil–Water–Gas Separator Overview A Professional Technical Explanation A three-phase separator is a vital component in upstream oil and gas production systems, designed to separate the well stream into its three distinct phases — oil, water, and gas — for efficient processing, measurement, and environmental management. This equipment ensures that each phase is properly isolated for subsequent treatment, storage, or disposal. 🧩 Working Principle The separator operates primarily on the principle of gravity separation , aided by internal mechanical devices. When the multiphase fluid enters the vessel: Gas , being the lightest, rises to the top and exits through the gas outlet. Oil , with intermediate density, forms a middle layer. Water , the heaviest phase, settles at the bottom and is discharged through the water outlet. The process is enhanced by inlet diverters , baffles , and coalescing elements , which reduce turbulence and promote efficient stratification. ?...
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DDC PANEL (Direct Digital Control) HVAC AUTOMATION

Gul Bahar Shah

 DDC PANEL (Direct Digital Control) HVAC AUTOMATION

A DDC panel is the main control unit of an HVAC system. It monitors and controls equipment such as AHUs, FAHUs, pumps, chillers and ventilation systems through BMS integration. It helps improve system efficiency, accuracy and real time performance. Main Components: ▪️ DDC Controller (CPU) ▪️ 24V DC Power Supply (SMPS) ▪️ Input Modules (DI / AI) ▪️ Output Modules (DO / AO) ▪️ Relay Modules ▪️ Terminal Blocks ▪️ Communication Protocols (BACnet / Modbus) Inputs to DDC: • Temperature sensors • Humidity sensors • Pressure sensors • CO₂ sensors • Flow switches • Fan status / fault signals Outputs from DDC: • Fan ON/OFF control • VFD speed control (0–10V) • Chilled water valve control • Damper actuator control • Pump start/stop • Alarm signals Applications: AHU | FAHU | Chiller Plant | VAV Systems | Pump Control | Clean Rooms | Building Automation Systems Benefits of DDC Panel: ✅ Automatic HVAC operation ✅ Energy efficient performance ✅ Easy BMS integration ✅ Real time monitoring ✅ Fault detection and alarms ✅ Accurate temperature control.

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