Safe Confined Area Access - Pre Cooling

Dehumidification, temperature control and ventilation services for Faster Pre-cooling of furnace to reduce shutdown time

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Furnace Cooling

Problems

When the refineries are shutdown, during the maintenance work in the furnace, it has to be cooled down to enable the workers to do an inspection, maintenance, and repair work. The temperature of the furnace has to drop down from 10000C (approx) to ambient temperature which under normal circumstance would take a very long time.

Due to high temperature, maintenance activities cannot be carried out immediately after the shutdown and workers have to wait for the temperature level to come down. Thus, precious man hours get wasted and the shutdown process gets delayed leading to an increase of cost.

Solution

The solution is furnace cooling for refinery shutdowns, which helps accelerate furnace cooldown, reduce the shutdown duration, and minimize downtime before maintenance.

Controlled air movement and ventilation can also help remove accumulated heat and contaminated or hazardous air while introducing fresh air into the furnace. Dehumidification can then help control moisture and humidity conditions, supporting inspection and maintenance activities.

Benefits

  • Save man-hours
  • Decrease downtime
  • Faster completion of jobs
  • Reduction of shutdown time resulting in tangible cost benefit
  • Increase in worker productivity

Our Solution

TDS offers best-in-class dehumidifiers, condensing units, and blowers to provide dehumidified cool conditioned air. Cold and dry air is forced inside the furnace from the inspection doors. The conditioned air creates a positive pressure in the furnace and removes the contaminated air, bringing fresh, dry and cool air into the furnace. The temperature of the cold air is maintained at 8-100C below the ambient air temperature. Relative Humidity can is maintained between 50% to 60% and temperature is brought down to ambient level at a faster rate, in comparison to natural cooling.

Application based solutions for
Cooling

Key Installations

tds asia
Essar, Jamnagar, Gujarat
tds asia

Reliance, Jamnagar

tds asia

Reliance, Jamnagar

Frequently Asked Questions

Furnace cooling is used to reduce excessive heat around industrial furnaces during maintenance, inspection, or shutdown activities. It helps bring the furnace area to a more manageable temperature so that planned work can be carried out under suitable working conditions.

Furnace pre cooling helps lower the temperature of a furnace area before maintenance or inspection begins. By reducing the initial heat load in advance, pre-cooling can help maintenance teams reach suitable working conditions more efficiently and minimise delays associated with excessive temperatures.

Furnace cooling for refinery shutdown helps manage the high temperatures present in refinery furnace areas before maintenance and inspection work. Effective cooling can support safer access to furnace sections and help maintenance activities proceed according to the planned shutdown schedule.

Yes. TDS Asia provides temporary cooling solutions for industrial applications where temperature reduction is required during shutdowns, maintenance, or other specialised operations. The appropriate cooling equipment can be selected based on the application, heat load, area conditions, and required temperature reduction.

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