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Filter Vessel Design | CAD drawings & Design Services | Sandhya

20 Engineering Services Sandhya Offers for Filter Vessels

  1. Filter vessel sizing and capacity calculation

  2. Pressure vessel mechanical design (ASME Section VIII)

  3. Piping layout and nozzle orientation

  4. Instrumentation hook-up (level, pressure, temperature)

  5. Backflush system design

  6. Design of backpressure valves and relief devices

  7. Selection of filtration media (cartridge, sand, etc.)

  8. Flow and pressure drop calculations

  9. Process flow and control philosophy design

  10. Skid-mounted filter vessel design

  11. P&ID development and optimization

  12. Thermal insulation for high-temperature fluids

  13. Control panel design and integration

  14. Fabrication drawings and BOM preparation

  15. Pressure test and qualification (hydrostatic/ pneumatic tests)

  16. NDT (non-destructive testing) for welds and materials

  17. Clean-in-place (CIP) system integration

  18. Skid-mounted systems for easy transportation

  19. Commissioning and performance testing

  20. Maintenance manuals and troubleshooting guidelines

 

 Filter Vessel Engineering – Complete Guide

Sandhya Design Consultancy

✅ What is a Filter Vessel?

A filter vessel is a specialized piece of equipment used to separate solids from liquids or liquids from gases. It is primarily used in liquid filtration, air filtration, and gas filtration systems to ensure the quality of process fluids and gases. These vessels are widely used in industries such as chemical, petrochemical, water treatment, pharmaceuticals, and food processing.

📦 20 Common Filter Vessel Applications

  1. Water Treatment Filter Vessel – Used in drinking water and wastewater treatment plants

  2. Petrochemical Filter Vessel – For separating solids from process chemicals

  3. Pharmaceutical Filter Vessel – To purify raw materials and ensure quality standards

  4. Food & Beverage Filter Vessel – For removing suspended solids and contaminants from food liquids

  5. Hydraulic Filter Vessel – For removing contaminants from hydraulic fluids in industrial machinery

  6. Gas Filter Vessel – In gas purification processes such as natural gas processing

  7. Oil & Gas Filter Vessel – For separating solid particles from crude oil or refined oil

  8. Cooling Water Filter Vessel – Used in cooling towers to filter out algae and debris

  9. Steam Filter Vessel – Ensures steam purity by removing water droplets and contaminants

  10. Paint Filter Vessel – For liquid paint filtration in paint production lines

  11. Reverse Osmosis Filter Vessel – In water desalination systems to filter incoming water

  12. Sand Filter Vessel – For particulate removal in industrial water systems

  13. Air Filtration Vessel – Removes airborne particulates in various industrial air handling systems

  14. Cartridge Filter Vessel – Used in refining and chemical processes to filter liquids through cartridge filters

  15. Condensate Filter Vessel – Removes impurities in steam condensates in power plants

  16. Batch Processing Filter Vessel – For separating solids in batch processing systems

  17. Biological Filter Vessel – Used in bioreactors for microbial filtration

  18. Carbon Filter Vessel – For removing organic compounds from water or process fluids

  19. Membrane Filter Vessel – In filtration systems using membrane technology for water purification

  20. Gas Scrubber Filter Vessel – Used to remove particulates and aerosols from gas streams

🔬 Process Design for Filter Vessels

In designing a filter vessel, process design focuses on ensuring the vessel meets the desired filtration performance, handling the flow rates, pressures, and temperatures of the system, and integrating it with other systems for effective and reliable operation.

Key Process Design Factors:

  • Flow Rate

    • Determine the required flow rate (GPM, LPM, or m³/h) to ensure effective filtration

  • Pressure Drop

    • Maintain an acceptable pressure drop across the filter to ensure consistent flow without system damage

  • Type of Filter

    • Cartridge, sand, bag, or membrane filtration based on the type of contaminants to be removed

  • Filter Media Selection

    • Choose appropriate media (e.g., activated carbon, sand, or synthetic materials)

  • Filtration Efficiency

    • Ensure that the filter captures contaminants of the required size and type

  • Filter Cycle Design

    • Design for backwashing or cleaning intervals for filter regeneration

  • Backflush System

    • Determine if the vessel will need automatic or manual backflush functionality

  • Instrumentation

    • Integration with pressure sensors, flowmeters, and level switches for system monitoring and automation

  • Sludge/Discharge Management

    • Design provisions for discharging collected contaminants or sludge

🧱 Mechanical Design of Filter Vessels

Mechanical design for filter vessels involves ensuring the vessel's ability to withstand operating pressures, chemical compatibility, and fatigue from cyclic cleaning processes. The design is typically governed by ASME Section VIII, IS 2825, and other applicable standards.

Mechanical Design Considerations:

Design Aspect

Description

Design Pressure

Ensure the vessel can handle maximum operating pressure and surge conditions

Temperature Range

Determine if the filter is exposed to high or low temperatures (steam, hot liquids)

Material of Construction

Choose between carbon steel, stainless steel (SS304/316), or lined steel based on the fluid's corrosivity

Shell Thickness

Calculated based on internal pressure, fluid type, and vessel size (ASME calculations)

Support Structure

Saddle, skirt, or leg supports as per foundation and operational needs

Nozzles and Connections

Placement and sizing of inlet, outlet, and vent connections

Inspection Openings

Manways and nozzles for maintenance access

Welding & NDT

Ensure welding procedures are followed (WPS/PQR) and include NDT methods like RT, UT, or PT for weld inspection

Corrosion Allowance

Include material thickness to compensate for corrosion, especially for chemical service

Relief Devices

Pressure relief valves (PRVs) for overpressure conditions, drain and vent systems

Backflush Design

Automatic or manual backflush systems with appropriate control valves and bypass connections

⚙️ Instrumentation and Integration

Instrumentation is essential to monitor and control the filtration process. Sensors and controls ensure that the filter vessel operates within designed parameters, protecting both the vessel and the connected systems.

Common Instrumentation Used:

  • Pressure Transmitters (PT) – To measure pressure inside the filter vessel

  • Flow Meters – To monitor liquid or gas flow through the vessel

  • Level Transmitters – To detect the level of liquid or solid accumulation in the vessel

  • Temperature Sensors – To ensure the filter operates within the specified temperature range

  • Differential Pressure Transmitters – To detect the pressure drop across the filter and indicate when the filter requires cleaning

  • Backflush Control Valves – For automatic cleaning of the filter media

🧩 Connected Systems Integration

A filter vessel is typically integrated with several other process systems:

  • ✅ Piping Systems – For fluid inlet/outlet connections and pressure regulation

  • ✅ Pumps – For driving the fluid through the filtration system

  • ✅ Heat Exchangers – To maintain temperature for processes requiring thermal stability

  • ✅ Temporary Storage Tanks – For collecting filtered fluids or removed contaminants

  • ✅ P&ID Development – To clearly outline the process flow and control systems

  • ✅ Civil/Foundation – Ensuring the stability of the vessel installation

📋 20 Engineering Services Sandhya Offers for Filter Vessels

  1. Filter vessel sizing and capacity calculation

  2. Pressure vessel mechanical design (ASME Section VIII)

  3. Piping layout and nozzle orientation

  4. Instrumentation hook-up (level, pressure, temperature)

  5. Backflush system design

  6. Design of backpressure valves and relief devices

  7. Selection of filtration media (cartridge, sand, etc.)

  8. Flow and pressure drop calculations

  9. Process flow and control philosophy design

  10. Skid-mounted filter vessel design

  11. P&ID development and optimization

  12. Thermal insulation for high-temperature fluids

  13. Control panel design and integration

  14. Fabrication drawings and BOM preparation

  15. Pressure test and qualification (hydrostatic/ pneumatic tests)

  16. NDT (non-destructive testing) for welds and materials

  17. Clean-in-place (CIP) system integration

  18. Skid-mounted systems for easy transportation

  19. Commissioning and performance testing

  20. Maintenance manuals and troubleshooting guidelines

📌 Why Sandhya Design Consultancy?

  • 🇮🇳 Based in Hyderabad, serving clients in India and internationally

  • 🔧 End-to-end service: process, mechanical, civil, piping, instrumentation

  • 🏗️ Custom designs tailored to client needs and industry standards

  • 🧩 Experts in filter vessels, pressure vessels, heat exchangers, and more

  • 📐 International quality standards for all design aspects (ASME, IS, API)

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