Vertical Oil Separator With Tangential Inlet for Multi-Condenser Flow
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Solution Overview
Problem
Existing vertical oil separators for refrigeration systems are inefficient, costly, and complex, failing to effectively separate oil from refrigerant gas on the high side, leading to reduced system efficiency and maintenance challenges.
Innovation Solution
A vertical oil separator with a tangentially arranged inlet for centrifugal separation, utilizing a screen liner and baffle to separate oil from refrigerant gas, featuring dual refrigerant gas outlets and a lower oil collection chamber to efficiently return oil to the compressor, simplifying design and reducing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional vertical oil separators are used, then oil separation function is provided, but separation efficiency is insufficient and system cost is high
Solution Approach 1:
The separator is divided into distinct functional zones: an upper separation chamber with centrifugal separation mechanism and a lower collection chamber with static reservoir. This segmentation allows each zone to perform its specific function optimally, improving overall separation efficiency while using simple, cost-effective components in each segment
Solution Approach 2:
The patent replaces complex mechanical separation mechanisms with a centrifugal separation system using tangential inlet design. The refrigerant-oil mixture enters tangentially to create rotational flow, using centrifugal force to separate oil from gas without requiring complex mechanical moving parts, thereby reducing manufacturing cost while maintaining high separation efficiency
2Reliability
If complex oil separation systems are used, then separation performance is improved, but device complexity increases
Solution Approach 1:
The separator design allows the refrigerant-oil mixture to automatically separate through centrifugal action generated by its own flow pattern. The tangential inlet creates rotational flow that naturally separates oil from gas without requiring external control mechanisms or complex internal components, achieving high separation performance with minimal device complexity
Solution Approach 2:
The patent changes the flow parameters by designing a tangential inlet that converts linear flow into rotational flow. This parameter change enables centrifugal separation, improving separation performance while maintaining a simple overall device structure without adding complex mechanical systems
3Adaptability or versatility
If single outlet design is used, then device simplicity is maintained, but adaptability to multiple condenser circuits is limited
Solution Approach 1:
The lower collection chamber is designed as a universal interface that can connect to multiple condenser circuits simultaneously. The single large-diameter outlet provides a common connection point that serves multiple circuits, achieving adaptability without requiring multiple separate outlets or complex distribution mechanisms
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a highly efficient and cost-effective oil separation system that enhances refrigerant gas flow to condensers while maintaining a static oil reservoir, improving system efficiency and ease of maintenance by effectively removing oil from the refrigerant gas mixture.
Implementation Method 1
an oil and gas mixture inlet tangentially arranged in an upper separation section to impart a swirling action impinging the mixture by centrifugal force against and through a screen liner to remove the oil
Implementation Method 2
a transverse baffle divides the upper section from a lower oil accumulation reservoir, the baffle effectively confines centrifugal vortex action to the upper section and keeps the lower oil collection reservoir relatively static
Data Source
AI summary
An oil separator for separating oil from a refrigerant gas and oil mixture on the high side of a refrigeration/chiller system comprising, a housing having an upper chamber with an inlet for the refrigerant gas and oil mixture, and having a refrigerant gas outlet therefrom, the outlet conduit being connected to multiple outlets for delivery of refrigerant gas to multiple condenser circuits in the system, and said housing also having a lower chamber with an oil outlet therefrom, and at least one oil filter in said upper chamber for removing oil out of the mixture for transfer to the lower chamber.