The arrangements adopted can be considered in three parts: the central primary refrigerating plant, the brine circulating system, and the air circulating system for cooling the cargo in the hold. endobj endobj Monitoring and control of CO2 concentration in the compartment, and good ventilation. 18 0 obj <> endobj x�{�������! endobj However, just like all other machinery on ships, the refrigeration system can also get into some trouble from time-to-time. <>>>/Length 29>> As a lifeline for all perishable food items and temperature-sensitive cargo, refrigeration plant is one of the most important systems on ships which requires utmost attention of engineers at all times. endobj Get updates from Gard in your inbox. COLD BRINE DIRECT GRID COOLING SYSTEM Indirect refrigeration system- frozen and chilled cargoes cold brine (calcium chloride in FW) is cooled down by direct expansion of the refrigerant, by pumping through space to be cooled where brine absorbs its sensible heat Evaporator - heat energy from air surrounding evaporator convert brine into gas (low pressure) Compressor - drawn to … <> stream <> stream <> <> 17 0 obj Rooms etc. The “Red Brine” was Steam Heated and used for defrosting … 13 0 obj <>>> Specific requirements for reefer ships. endobj <> endobj �>Je`��7�"Gc�ae��=�DJ��0�o�6�_07��&�j 1�mR� h���'�qm�L� ��=s�+Wxϸ����X�� G���K�c��s�k�?��̈��ʂ��%ɧO[�({㐬�\�-�(�A����:�T�cR;)7'R���R*O����r+�(U6�A��23�� }m�r� 3�#mݮڶU�~�Vy�,�=����n(�t�q$!�i]��r��+\�z����f�](�yH�bcx�'��2���a�! endobj Figure 3: Schematic representation of a porthole cargo refrigeration plant comprising the cooling system, the brine system and cold air system Figure 3 shows an indirect system with an intermediate brine circuit which connects the cooling system which is located centrally in the engine room to the cold air system in the hold. Cargo Holds; Flow-Ice maker; Horizontal Plate Freezer; IQF Freezer; Reciprocating compressor; RSW chiller – VK ; RSW chiller – VKN; RSW Strainers; RSW system; RSW unit w/recipr. In the brine room delivery and return valves are fitted.Each group of stacks in the holds has its own delivery and return brine main, which is connected to three cooling mains in the valve manifolds in the brine room.The refrigeration system is fitted with a flash-gas equipment for the purpose of increasing the capacity of the plant. <> x��UMO�@�[���)��v�@�U��h������&i�����:�4&����3��v�y�������h�gc��g�D�R�' �&����� ���~_Cd�t���$�>��_���DP�n0�eȣQ�lB)�{`��1��0(Fb�D�. 5 0 obj 3 0 obj Read our latest news and insights.This article focuses on cooling systems for containers on board ship which offer maximum flexibility with regard to cargo handling.Stalicon and Conair are commercial names for such systems which use porthole containers.Notice of Readiness and the commencement of laytime,Updated guidelines on the carriage of seed cake in containers,8/2020: New revised People’s Republic of China (PRC) Law on the Prevention and Control of Environmental Pollution by Solid Wastes – effective 1 September 2020,7/2011: Inter-Club New York Produce Exchange Agreement 1996 (as amended September 2011),5/2020: Vessel monitoring and P&I insurance. <> stream 15 0 obj q 16 0 0 1 0 0 cm/Image6 Do Q endstream <> stream endobj 7 0 obj Refrigerated cargo vessels usually require a system which provides for various spaces to be cooled to different temperatures. <> 9 0 obj �9@�� v�.� <> The refrigeration plants on merchant vessels play a vital part in carrying refrigerated cargo and provisions for the crew on board. endobj endobj <> ELECTRICALLY DRIVEN VERTICAL COMPRESSOR of the type often used in refrigerated ships. Effective system for monitoring and maintaining specified temperature during loading, transportation and discharging. endobj This type has the advantage of compactness as the condenser is incorporated in the bedplate. endobj r0zPi&V!�(%�ͿόDѤ(*Lι,8���}����� �/��+�w:Q��R endstream Heating; Ventilation; Air Conditioning; Refrigeration. 11 0 obj �V�Vଂ��N>=�r:��Yl6EUB����l�(�Q�Ρ�Ϧ�?�x}}��р_~@?t)�=e'��NE��W�a���\½�(��fإ�]�����A[��N�.�T %PDF-1.5 endobj endstream z}Q)�X.�����ݠ���*��y;�R��ŷ�j�h���M6�� AZ�sKk�c="��wN��=ά(�Y��Lo��(i^�F�rM�A�b���6�;jc���s����T�d��@��IwK#������ͬX�8fj5���3J|��#Rdq��/X���M�2���y�om��#'� HVAC Systems. <>/Pattern<>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 720 540] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> 16 0 obj %���� endobj x��VKo�F��ߖ����A��I�5�& 19 0 obj <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/Annots[ 25 0 R 26 0 R 27 0 R 28 0 R] /MediaBox[ 0 0 720 540] /Contents 19 0 R/Group<>/Tabs/S/StructParents 1>> <> <>>>/Length 29>> <> The parameters that may be included in carriage instructions for refrigerated cargo are listed below: Pre-loading sanitation. Carbon dioxide (CO 2) gas is used as the refrigerant, and brine circulated through pipes in … 8 0 obj 4 0 obj compressor; RSW unit w/screw compressor; RSW unit w/Spray chiller; Screw compressor; Vacum; Vertical Plate Freezer; Offshore. 10 0 obj endobj q 16 0 0 1 0 0 cm/Image6 Do Q 14 0 obj The ship is the main link in the system of scientific storage that begins at the overseas port and ends in British shops. In reefer ships, the temperature of the perishable or temperature sensitive cargo such as food, chemical, or liquefied gas, is controlled by the refrigeration plant of the ship. There was a system of mixing the brine so that it could be circulated at various Temperatures and the valves were colour coded “Blue Brine” was the coldest used to cool Deep Frozen Cargo Holds, Lockers and Domestic Stores, “Yellow Brine” was warmer and used to cool Chilled Cargo Holds, lockers and Veg. 6 0 obj stream endobj ��"=C�ȠN�����F endstream

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