Liquid Cooling Cabinet Spray Layout for Turbulent Server Heat Exchange
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Solution Overview
Problem
Existing liquid cooling systems fail to efficiently remove elemental mercury (Hg0) from flue gas and oxidized mercury (Hg2+) from waste liquid, with activated carbon injection technology being costly and its mercury removal efficiency is affected by NOx and SO2.
Innovation Solution
Utilization of metal sulfides (e.g., FeS2, CuS, CuFeS2) as mercury removal adsorbents, which contact with flue gas and waste liquid, adsorb and convert Hg0 from waste liquid into stable mercury sulfide compounds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If coolant is continuously circulated in the cabinet, then heat is carried away from servers, but flow rate drops sharply when new coolant enters, resulting in poor fluidity and low heat exchange efficiency
Solution Approach 1:
The cabinet is divided into multiple chambers, each equipped with independent guide pipes and spray nozzles. This segmentation allows coolant to be distributed to multiple locations simultaneously, maintaining flow rate and heat exchange efficiency across different zones without the flow rate dropping when new coolant enters the system.
Solution Approach 2:
Guide pipes and spray nozzles are introduced to actively direct and atomize the coolant flow. The hydraulic design ensures that coolant is sprayed at high velocity onto server surfaces, maintaining turbulent flow and high heat exchange efficiency even when new coolant enters the cabinet.
2Productivity
If servers are immersed in coolant for cooling, then heat is removed from servers, but fluid disturbance effect is weak and turbulence is low
Solution Approach 1:
Spray nozzles create high-velocity coolant jets that impinge on server surfaces, generating localized turbulence and fluid disturbance. This mechanical action of spraying creates strong fluid motion and mixing, significantly enhancing the fluid disturbance effect and heat transfer coefficient compared to passive immersion cooling.
Solution Approach 2:
Coolant is sprayed locally at high velocity onto specific heat-generating components of servers through guide pipes and nozzles. This creates localized regions of high turbulence and intense heat exchange at the spray impingement zones, improving cooling effectiveness where it is most needed.
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
Achieves efficient, cost-effective, and environmentally friendly simultaneous removal of Hg0 from flue gas and oxidized mercury (Hg2+) from waste liquid, with existing mercury removal systems.
Implementation Method 1
enhances the fluid disturbance effect of the coolant within the chamber
Implementation Method 2
The heat generated by the servers is carried away by the continuous circulation of the coolant
Data Source
Figure 1a~1b
Figure 2~3
Figure 4a~4b
AI summary
The present disclosure provides a liquid cooling cabinet, apparatus and system. The liquid cooling cabinet comprises a cabinet body, a liquid inlet pipe, a liquid outlet pipe, and at least one first guide pipe; a chamber configured to load a server and bear a cooling liquid is formed in the cabinet body; a liquid outlet is formed in the wall of the liquid inlet pipe, and the liquid inlet pipe is configured to supplement the cooling liquid for the chamber through the liquid outlet; one end of the first guide pipe is correspondingly connected to the liquid outlet, and the other end of the first guide pipe is configured to spray the cooling liquid; and the liquid outlet pipe is located inside the chamber and configured to discharge the cooling liquid. The cooling liquid is accurately sprayed to a determined position in the chamber of the liquid cooling cabinet by means of the first guide pipe, and additionally, the fluid disturbance effect of the cooling liquid in the chamber is enhanced, thereby improving the heat exchange efficiency.