Bitzer compressor scroll

Types of Bitzer Scroll Compressors

Bitzer compressors scroll are machines designed to compress gaseous refrigerants using a scroll mechanism. They can be classified based on various factors such as design, application, capacity range, and control options.

• Design: One way to classify Bitzer scroll compressors is by their design. In this case, the machines are grouped as fixed scroll compressors or staggered-scroll compressors. A staggered-scroll compressor has a combination of fixed and movable scrolls. On the other hand, the traditional scroll compressor has only one type of fixed scroll.
• Application: Based on application, the Bitzer scroll compressor can be classified as commercial or industrial. Commercial scroll compressors are suitable for commercial businesses like supermarkets and restaurants. On the flip side, industrial scroll compressors work for industrial applications such as manufacturing processes and large-scale refrigerating systems.
• Capacity & Pressure: Another way to categorize Bitzer scroll compressors is by capacity and pressure. Some models have low capacity and pressure. They are suitable for small-scale refrigerating needs. Other models are high-capacity and high-pressure compressors that can handle enormous refrigerating needs.
• Control Options: Lastly, Bitzer scroll compressors can be grouped as variable or fixed speed. A variable speed scroll compressor can adjust its speed to suit changing refrigerating demands. On the other hand, a fixed-speed scroll compressor has only one operating speed.

Specifications and maintenance of Bitzer scroll compressors

The performance and maintenance requirements for scroll Bitzer compressors are highlighted in the following table.

• General performance

  They deliver around 130 to 1300 kgs/hr of refrigerating capacity.

• Power

  The compressors use about 3 to 25 kW of electrical power during their operation.

• Operating temperatures

  Bitzer scroll compressors work well in temperature ranges of -60 to 0°C.

• Discharge pressure

  They operate with discharge pressures up to 60 bars.

• Design

  The compact design dimensions of 500 to 1500 mm (millimeter) length and 300 to 800 mm weight allow for easy integration into different systems.

• Weight

  The scroll compressors generally weigh between 100 kg to 300 kg.

Maintenance requirements

The maintenance tips are highlighted here in point form for easy reading and quick reference.

• Lubrication: Ensure constant oil supply.
• Clean and filter: Clean the interior parts and replace the filters.
• Temperature control: Monitor the compressor's temperature.
• Sealing check: Check the seals for any leakage signs.
• Electrical and connectivity inspection: Ensure correct connections and reliable electrical contacts.
• Refrigerant and pressure regulation: Maintain the optimal refrigerant and pressure levels.
• Sound and vibration monitoring: Regularly monitor for abnormal vibrations and noise.
• Cleaning of condensers and evaporators: Instruct users to clean these elements regularly to ensure adequate heat exchange.
• Calibration of thermostats and valves: Ask users to calibrate these controls to ensure precise system regulation.
• Protection against corrosion: Suggest adding an anti-corrosion coating to the compressor exterior to protect it from environmental agents.
• Detailed inspections: Advise periodic detailed inspections to check critical components, such as valves and bearings, and replace them if necessary.

Scenarios of Bitzer Compressor Scroll

• Air conditioning systems in commercial buildings

  By utilizing a Bitzer scroll compressor AC that is compact, quiet, and energy-efficient, design engineers can develop air conditioning systems serving offices, retail spaces, and other commercial facilities. The system provides reliable temperature control and a comfortable indoor environment for occupants while optimizing energy usage.

• Pharmaceutical refrigeration

  The pharmaceutical industry has strict requirements for maintaining the integrity of drugs and medicines. As a result, they need to use Bitzer scroll compressors to ensure precise temperature control of refrigerators used to store sensitive pharmaceuticals, ensuring they are stored at the right temperature to maintain efficacy.

• Transportation refrigeration

  Scroll compressors are also used in the transportation industry for refrigerated trucks, trailers, and containers. These scroll compressors help maintain the temperature of perishable goods, such as food and flowers, during transportation to ensure they arrive at their destination fresh and undamaged.

How to choose Bitzer scroll compressors

Bitzer scroll compressor selection for a specific application is crucial to ensuring optimal performance, energy efficiency, and system capacity. Here are some helpful tips to guide the selection process:

• Understand the application requirements:

  The first step in choosing a Bitzer scroll compressor is to understand the application requirements. This includes determining the cooling or heating capacity needed for the system, the operating pressure and temperature range, and any specific features or constraints of the application (e.g., limited space, noise requirements, etc.).

• the operating environment:

  It is essential to consider the operating environment where the compressor will be used. Factors such as temperature extremes, humidity levels, and exposure to corrosive or harsh substances should be taken into account when selecting a compressor that can withstand the environment and maintain reliable operation.

• Pay attention to efficiency and performance:

  Compressors differ in energy efficiency and performance, impacting operating costs and system performance. It is essential to select a compressor that offers high efficiency (e.g., value of energy efficiency ratio EER, coefficient of performance COP) and performance characteristics suited to the particular application (e.g., pressure ratio, volume efficiency, etc.).

• Consider the size and weight:

  Dimensions and weight are essential considerations, mainly if space is limited or if the compressor needs to be integrated into a particular setup. Selecting a compressor that meets the size and weight constraints can simplify installation and reduce system complexity.

• Evaluate the cost and value:

  Cost is an essential factor in the selection process, but it is equally important to consider the value provided by the compressor. This includes evaluating the balance between initial costs, operating costs, maintenance requirements, and long-term reliability. Choosing a compressor that offers excellent value can help reduce life cycle costs and improve system ROI.

FAQ

Q1: Are scroll compressors more durable than other types of compressors?

A1: Generally, the Bitzer scroll compressor has a robust design that helps to improve its durability. They also have fewer moving parts, contributing to lower mechanical wear and tear.

Q2: How efficient is a scroll compressor?

A2: The efficiency of a Bitzer scroll compressor can differ based on some factors, including its design, operating conditions, and maintenance. However, the efficiency tends to be higher than that of reciprocating and rotary compressors.

Q3: Can a scroll compressor be replaced with a different type of compressor?

A3: While a scroll Bitzer compressor can be replaced with another type of compressor, the procedure isn't straightforward. Usually, the compressor type used in a system matches its performance requirements. Therefore, if a Bitzer scroll compressor is changed to another type, it will not meet the systems' cooling requirements. Also, there may need to be adjustments to the system to fit the new compressor.