Liquid Ring Vacuum Pump System

The Bozhong liquid ring vacuum pump system employs a fully recirculating working fluid design, achieving zero liquid discharge from the entire system. Organic solvents can be selected as the working fluid to enable recovery of organic solvents within the process. Alternatively, other liquids (such as concentrated sulfuric acid) can be chosen as the working fluid to handle highly corrosive conditions. The Bozhong liquid ring vacuum pump system is widely used in the chemical and pharmaceutical industries.

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Liquid Ring Vacuum Unit

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Bozhong Industry - Vacuum Product Catalog -20225.5

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Detailed introduction

Overview

The gas medium enters the liquid ring vacuum pump through the suction port. After compression by the pump, it flows into the gas-liquid separator along with part of the working fluid. Within the separator, the gas and liquid phases are separated. The gas is discharged through the exhaust port, while the working fluid passes through a heat exchanger. It is then drawn back into the liquid ring pump as working fluid for circulation. Simultaneously, heat exchange with cooling water maintains the working fluid temperature within an optimal range, ensuring the liquid ring vacuum pump consistently operates within its high-efficiency zone.

We can select different types of working fluids to accommodate various user conditions. For applications with high condensable gas content, proper selection of a pre-condenser can reduce the required size of the liquid ring vacuum pump, achieving energy savings. By designing a fully recirculating system, the working fluid circulates between the liquid ring vacuum pump and the heat exchanger, enabling zero liquid discharge. In certain special operating conditions, partial recirculation can also be selected to meet process requirements.

Characteristics

Pumping speed up to 26,000 m³/h, suitable for applications requiring high pumping speed at rough vacuum levels.

Select from various working fluids based on process requirements, ensuring no contamination of the process.

Fully recirculating design with zero working fluid discharge, causing no environmental pollution.

Stable operation, low failure rate, easy maintenance, and long service life.

Extensive system selection expertise delivers significant energy savings.

Ideal for applications involving large volumes of water vapor and various organic solvents (e.g., methanol, ethanol, xylene, acetone, phenol).

Compatible with control systems for automated operation.

In standard applications, water ring vacuum pumps typically employ direct discharge of the working fluid, as illustrated in Figure 1:

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