Combination of Vacuum System of Steam
Jet Ejector and Liquid Ring Vacuum Pump

Efficient hybrid vacuum technology.
Deeper vacuum, lower energy use.

Combination of Vacuum System of Steam Jet Ejector and Liquid Ring Vacuum Pump

Mazda’s combination system merges the reliability of steam jet ejectors with the efficiency of liquid ring pumps.
A versatile solution engineered for stable vacuum generation under varying load conditions.

Product Overview

Mazda’s Combination of Vacuum System of Steam Jet Ejector and Liquid Ring Vacuum Pump is an advanced hybrid solution designed to achieve deep vacuums with maximum efficiency. The steam ejector provides high-capacity suction at low cost, while the liquid ring vacuum pump enhances vacuum depth and stability, especially under fluctuating load conditions. An inter condenser further optimizes performance by reducing steam consumption and minimizing the load on the pump. With this integration, Mazda delivers a robust, economical, and energy-efficient system ideally suited for demanding industrial applications.

Advantages

Achieves deeper vacuum levels with hybrid design
Energy efficient with reduced steam consumption
Stable operation under varying load conditions
Effective handling of condensable and non-condensable gases
Rugged, low-maintenance construction for long service life
Flexible configuration with inter condensers for higher efficiency

How it Works
Use Cases

Steam Jet Ejector – High-pressure steam expands through a nozzle, creating a low-pressure zone that entrains gases or vapors. The mixture is compressed to an intermediate pressure.
Inter Condenser – Steam is condensed, reducing the load on the liquid ring pump, while only non-condensable gases pass forward.
Liquid Ring Vacuum Pump – Handles the remaining gases, further lowering pressure and ensuring steady vacuum levels, including during startup or low-load conditions.

Power Generation (Steam Turbines, Condenser Systems)

Supports stable vacuum generation in steam turbine and condenser systems, including operation under varying load conditions.

Refineries & Petrochemical Plants

Suitable for industrial vacuum applications requiring reliable performance and continuous operation under varying loads.

Fertilizer & Chemical Industries

Energy recycling in evaporation and concentration processes

Pulp & Paper Production

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

Food Processing & Distillation Units

Supports vacuum generation in distillation and other process applications where deeper and stable vacuum is required.

Wastewater Treatment Plants

Used in vacuum-based process applications where reliable handling of gases and vapors is required.

Combination of Steam Jet Ejector + Liquid Ring Vacuum Pump - FAQs

What is a Combination Steam Jet Ejector and Liquid Ring Vacuum Pump System?

It is a hybrid vacuum system that combines a steam jet ejector with a liquid ring vacuum pump. The steam ejector provides high-capacity suction, while the liquid ring pump further reduces pressure and helps maintain stable vacuum conditions.

How does the combination vacuum system work?

The steam jet ejector first creates vacuum by expanding high-pressure steam through a nozzle and entraining gases or vapors. An inter condenser then condenses steam and reduces the load on the liquid ring pump, which handles the remaining non-condensable gases and further lowers the pressure.

What is the role of the inter condenser in this vacuum system?

The inter condenser condenses the steam coming from the ejector before the remaining non-condensable gases reach the liquid ring vacuum pump. This reduces the pump load and helps lower steam consumption.

Why combine a steam jet ejector with a liquid ring vacuum pump?

The hybrid configuration combines the high-capacity suction of a steam jet ejector with the vacuum depth and stability of a liquid ring vacuum pump. This allows the system to maintain stable vacuum conditions, including under varying loads.

Can this system handle both condensable and non-condensable gases?

Yes. The system is designed to handle both condensable and non-condensable gases. The inter condenser condenses steam before the remaining non-condensable gases are handled by the liquid ring vacuum pump.

How does the hybrid system perform under fluctuating load conditions?

The liquid ring vacuum pump helps maintain stable vacuum levels when operating conditions vary. The system is specifically designed for stable vacuum generation under fluctuating load conditions.

Does the combination system reduce steam consumption?

Yes. The inter condenser reduces the amount of steam reaching the liquid ring vacuum pump, which helps optimize the system and reduce steam consumption.

Can the system provide vacuum during startup or low-load conditions?

Yes. In Mazda Limited's combination system, the liquid ring vacuum pump handles the remaining gases and helps maintain steady vacuum levels, including during startup or low-load conditions.

What are the advantages of using a hybrid vacuum system over a single vacuum technology?

The combination provides deeper vacuum, reduced steam consumption, stable operation under varying loads, and effective handling of condensable and non-condensable gases while maintaining a rugged and low-maintenance configuration.

Can Mazda customize a Steam Jet Ejector and Liquid Ring Vacuum Pump system?

Yes. Mazda's combination system can be configured with an inter condenser and other system elements according to the required vacuum conditions and operating requirements.

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Combination of Vacuum System of Steam
Jet Ejector and Liquid Ring Vacuum Pump