Refrigeration Package

Refrigeration Package

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Refrigeration Packages in Oil and gas Industry

In general, in order to operate optimally, the oil and gas industry needs all the separate systems of power plants to work in conjunction with each other and in optimal condition. These systems include various components such as refrigeration and cooling utility units to heat recovery and energy production systems. Cooling and refrigeration packages in the oil and gas industry include a variety of process equipment, including cooling towers, heat exchangers, and air heat exchangers. Cooling towers are one of the most common systems for removing excess heat from the process/operational fluid by exchanging this heat with air. With the help of water evaporation, these towers dissipate the heat generated in an operating unit and lower the temperature of the process fluid to the temperature of a humid air bubble.

The basis of all cooling towers is based on creating more contact surface between hot water flow and cold air and as a result heat exchange between the two. In these towers, hot water is transferred to the top of the tower by pipes and in that part, it flows naturally or with nozzles down to the bottom of the tower, which will deal with cold airflow in different ways depending on the type of tower. Simply put, cooling towers are one of the core components in refrigeration packages that are used to cool water or process fluid in air conditioning systems, refineries, power plants, and petrochemicals.

Chlorine liquefaction is another application of the cooling package offered by the company. The liquefaction of the compressed chlorine process takes place in one or two stages in heat exchangers (condensers). Operating conditions will vary depending on the plant, but the liquefaction ratio will usually be between 90 and 95 percent. Chlorine gas pressure determines what type of heat exchanger to use for the process. When the pressure is high enough, water can be used as an indirect, non-critical refrigerant. Pressures higher than 8 bar can be considered part of this type of cooling. The ideal state of chlorine liquefaction is when it’s done in higher pressures because in this case the use of critical refrigerants is prevented, and compared to the processes of liquefaction of chlorine at medium pressure or atmospheric pressure, energy consumption is reduced.

In the oil and gas industry, the refrigeration process uses process-specific streams to dissipate heat. Refrigeration in natural gas refining is a process that controls the operation of the dual dew point; this means that it can help hydrocarbons to reach the dew point. Ethylene glycol or glycol can also be used to help cool natural gas. Coldwater can also be used in cooling towers, and Zirsakht Tadbir Arian (ZETA) Company offers all types of cooling equipment in its cooling package. The temperature that the gas will reach if it needs to cool down depends primarily on the dew point specification of that gas. Having the necessary information about the operating gas’s dew point is in fact the minimum requirement of the cooling process. Of course, the necessary measures that are considered for gas cooling are more important from an economic point of view than from a safety point of view. The amount of LPG recovered during the cooling process determines what steps must be taken to reach the dew point of the gas. For this purpose, it is necessary to make an economic evaluation of the necessary costs for the capital investment and current operating costs and to examine whether the financial profit from the recovered LPG is worth considering. ZETA Company in the oil and gas industry performs all needed economic assessments and takes the necessary preparations to select the appropriate package.

ZETA Company, with the help of modern technologies and using experts in the field of refrigeration, provides various cooling packages to its customers. The company For added value in its business in cryogenic storage tanks is following the industrial refrigeration packages to do complete work for client requirements. The main use of this package include:

Chlorine Liquefaction
Process Stream Cooling
Gas Turbine Inlet Air Cooling
De-Ethanizers and De-Butanizers
Utility Cooling (Chilled Water, Chilled Glycol)
Process Fluid Storage (Cooling, Boil Off and Run Down)

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