Working Principle of MVR Steam Compressor
Release date:
2022-05-06
The core component of an MVR evaporator is the steam compressor. Today, our editor will introduce you to the working principle of the MVR steam compressor. Depending on the classification, there are different types of MVR steam compressors. First, our editor will briefly explain the basic principle of MVR.
The core component of an MVR evaporator is the steam compressor. Today, our editor will introduce it to you. MVR steam compressor The working principle.
According to the classification, MVR steam compressors vary. First, the editor will briefly introduce the principle of MVR.
An MVR evaporator uses a steam compressor to compress secondary steam, increasing its temperature and pressure. The resulting high-temperature, high-pressure steam is then sent to the heating chamber inside the evaporator, where it serves as heating steam. The MVR evaporator is highly energy-efficient, enabling full utilization of steam that would otherwise be discarded and significantly improving thermal efficiency.
MVR steam compressor It is the primary and core equipment of the MVR evaporator. So, what is the working principle of a steam compressor?
A steam compressor is a key piece of equipment in thermal recovery systems, used to increase the temperature and pressure of steam generated through compression. Its function is to heat low-pressure (or low-temperature) steam to meet the temperature and pressure requirements of the process or engineering application.
The overall composition of a steam compressor is relatively complex, consisting primarily of three basic units: the compression system, the steam condenser, and the lubrication system. The steam generated in the boiler (evaporator) passes through a built-in micro-droplet separator to remove some of the liquid content from the steam before entering the steam compressor or the corresponding steam outlet. During process design, an un-compressed steam bypass can be retained to meet varying steam pressure and temperature requirements via automatic control, or to prevent compressor malfunctions.
There are different types of steam compressors, including centrifugal steam compressors and Roots steam compressors; each type has its own specific applications. MVR steam compressor.
The compressor is a critical component of the MVR evaporator. The MVR evaporator primarily relies on a steam compressor for evaporation, and in the entire MVR evaporator system, the selection of the steam compressor is of paramount importance.
When selecting a compressor for an MVR evaporator, it is essential to understand and master the properties of the materials involved. Specifically, during the evaporation process, as the duration of production increases and the material becomes increasingly viscous, it’s crucial to determine whether crystallization and precipitation are occurring concurrently. Mastering the boiling-point elevation values corresponding to different concentrations throughout the evaporation process is a key factor in the design and selection of steam compressors. MVR steam compressor
Depending on the material and throughput, the choice of an appropriate compressor varies slightly. MVR evaporation systems typically employ three types of compressors: Roots compressors, high-speed centrifugal compressors, and blower-type compressors.
These three types of compressors each have their own advantages. Roots-type steam compressors are widely used for the evaporation of small and medium-sized materials with low to moderate boiling points. Due to their structural characteristics, they have a relatively short service life; however, in recent years, improvements in both process technology and materials have extended their lifespan. Roots compressors come in two-leaf and three-leaf designs, with the three-leaf model offering superior performance compared to the two-leaf model.
In compressor selection, Roots compressors are suitable for compressing materials with a capacity of 3 tons per hour or less and exhibiting significant temperature rise. Roots compressors demonstrate excellent adaptability to materials with complex compositions and operating conditions that vary widely.
The roots-type compressor has a wide flow range, a low compression ratio, a small effective temperature difference, and a low rotational speed; however, it can be used in series. The centrifugal compressor features a high rotational speed, a low mass flow rate, a high degree of automation, and a broad adjustment range.
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