Combination of Vacuum Systems of
Steam Jet Ejector and Liquid Jet Ejector

Flexible hybrid vacuum solutions.
 Deep vacuum performance with efficiency and reliability.

Combination of Vacuum Systems of
Steam Jet Ejector and Liquid Jet Ejector

Mazda’s hybrid system combines the strengths of steam jet ejectors and liquid jet ejectors.
 Designed for industries demanding deep vacuum, operational flexibility, and energy savings.

Combination of Vacuum Systems of Steam Jet Ejector and Liquid Jet Ejector

Product Overview

Mazda’s Combination of Vacuum Systems of Steam Jet Ejector and Liquid Jet Ejectors offers a versatile hybrid solution engineered for industries requiring high vacuum performance and energy efficiency. The steam ejector efficiently creates the initial vacuum and manages large vapor volumes, while the liquid jet ejector handles residual gases and vapors or replaces condensers for simplified operation. Together, they deliver stable, low-maintenance, and cost-effective performance with the flexibility to install even at ground level.

Advantages

  • Achieves deeper vacuum levels with hybrid configuration
  • Energy-efficient with reduced steam and water usage
  • Simplifies operation by eliminating separate condensers in some cases
  • Reliable performance under varying load conditions
  • Rugged design with low maintenance requirements
  • Suitable for both new installations and retrofits

Product Overview

Mazda’s Combination of Vacuum Systems of Steam Jet Ejector and Liquid Jet Ejectors offers a versatile hybrid solution engineered for industries requiring high vacuum performance and energy efficiency. The steam ejector efficiently creates the initial vacuum and manages large vapor volumes, while the liquid jet ejector handles residual gases and vapors or replaces condensers for simplified operation. Together, they deliver stable, low-maintenance, and cost-effective performance with the flexibility to install even at ground level.

Advantages

  • Achieves deeper vacuum levels with hybrid configuration
  • Energy-efficient with reduced steam and water usage
  • Simplifies operation by eliminating separate condensers in some cases
  • Reliable performance under varying load conditions
  • Rugged design with low maintenance requirements
  • Suitable for both new installations and retrofits
  1. Water Jet Ejector Stage – Pressurized water passes through a nozzle to form a high-velocity jet, creating vacuum at the throat. This draws in residual gases or vapors, mixes with them, and discharges to a separator or drain.
  2. Steam Jet Ejector Stage – High-pressure steam expands through a converging-diverging nozzle to form a high-velocity jet, creating a low-pressure zone that entrains process vapors and gases. The mixture is then compressed in the diffuser to an intermediate pressure.

Chemical & Petrochemical Processing

In multi-effect evaporators, capturing and reusing waste steam after the final effect

Vacuum Distillation Units

Steam recovery in drying and processing stages

Fertilizer and Process Plants

Energy recycling in evaporation and concentration processes

Evaporators (including ground-level installations)

 Flexible vacuum solution for evaporator and ground-level applications.

Pulp & Paper Industry

Reliable vacuum for continuous industrial process applications.

General Industrial Vacuum Applications

Versatile vacuum solution for deep vacuum and flexible operation.

Combination of Steam Jet Ejector + Liquid Jet Ejector - FAQs

What is a Combination Steam Jet Ejector and Liquid Jet Ejector System?

It is a hybrid vacuum system that combines steam jet and liquid jet ejector technologies. The steam jet ejector creates the initial vacuum and handles large vapor volumes, while the liquid jet ejector handles residual gases and vapors.

How does a Steam Jet Ejector and Liquid Jet Ejector system work?

The liquid jet ejector uses pressurized water through a nozzle to create a high-velocity jet and vacuum at the throat. The steam jet ejector uses high-pressure steam through a converging-diverging nozzle to create a low-pressure zone and entrain process vapors and gases.

What is the role of the Liquid Jet Ejector in the hybrid vacuum system?

The liquid jet ejector can handle residual gases and vapors after the steam ejector stage. Depending on the system configuration, it can also help simplify the installation by replacing separate condensers in some applications.

Why are Steam Jet and Liquid Jet Ejectors combined in one vacuum system?

Combining the two technologies provides a flexible vacuum solution designed for deep vacuum performance, operational flexibility, and energy efficiency. Each ejector stage performs a specific role within the overall vacuum system.

Can this hybrid vacuum system operate without a separate condenser?

Yes. The liquid jet ejector can replace a separate condenser in some system configurations, simplifying the vacuum system and reducing the need for additional equipment.

What are the advantages of a Steam Jet Ejector and Liquid Jet Ejector combination?

The system can provide deeper vacuum, reduced steam and water usage, reliable operation under varying loads, low-maintenance performance, and flexibility for different industrial vacuum applications.

Can the system be installed at ground level?

Yes. The system is designed with installation flexibility and can be installed at ground level, making it suitable for applications where conventional elevated vacuum equipment arrangements may not be practical.

Is this hybrid vacuum system suitable for varying load conditions?

Yes. The combination system is designed to provide reliable performance under varying load conditions while maintaining the required vacuum performance.

Can this vacuum system be used for new plants as well as existing installations?

Yes. The system is suitable for both new installations and retrofit applications, providing flexibility when upgrading or modifying existing vacuum systems.

Where are Steam Jet and Liquid Jet Ejector systems used?

They are suitable for industrial applications requiring deep vacuum, operational flexibility, and reliable handling of vapors and gases, including chemical, petrochemical, fertilizer, evaporation, pulp and paper, and other industrial processes.

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