Refrigeration plant and mine air conditioning systems

The vapour compression refrigeration cycle, currently the most widespread method of artificial cooling, appears to have first been used in mining during the 1920s. Examples included the …

Refrigeration and ventilation systems for ultra-deep …

ABSTRACT: Impala Platinum has been examining the viability of a number of deep mining options and it is clear that the cooling of the deeper platinum mines presents one of the …

IMPORTANT BASICS OF MINE VENTILATION AND …

Primary ventilation relates to the main ventilation and cooling infrastructure. It includes the main surface fans, main booster fans, upcast and downcast shafts, vent raises, main airways, bulk air coolers, central refrigeration systems, etc.

Refrigeration plant and mine air

n Nevada, USA, during the 1860s. The vapour compression refrigeration cycle, currently the most widespread method of artificial cooling, appears to have first been. used in mining during the …

A Review of Cooling System Practices and Their Applicability …

Several papers and cases studies have been published on the application of different mine cooling methods around the world. This study will review modern mine cooling …

Underground production scheduling with ventilation and …

We propose a mixed-integer program that maximizes net present value subject to constraints on precedence, and mill and extraction capacities with the consideration of heat …

CHAPTER 2. LARGE MINE COOLING SYSTEMS 2.1 …

Cooling systems are generally categorised as "large" when they contain one or more refrigeration plants, or chillers, with a cooling capacity of more than 1 050 kW (ASHRAE 2001). Such …

The design of cooling systems for mining at a depth of 4 …

Definition of phase-in profile of the refrigera-tion systems over life-of-mine, with due regard for access and timing issues relating to under-ground installations. This paper focuses on the …

Mine Cooling Systems

Howden's stand-alone surface bulk air systems are well suited to shallower mines with shorter distances between the downcast shaft bottom and the mining zone. The primary system …

Refrigeration and cooling concepts for ultra-deep …

the deeper mining levels supplementary means of providing cooling will have to be implemented. The objective of this paper is to provide a review of the 'supplementary' refrigeration …