This manual contains only general information on the physical properties, storage, and handling of ammonia containers and relevant equipment. • Installation is greatly simplified because the compact skid unit is factory build and tested • Plug & play design allows for simple & quick retrofits 0000002711 00000 n h�b```�Pfn>!�� !G���+\�(+x[����T��01�[ R��lJ*�/� �L=��� xZ�bL�np�azɰ�AW��� ��N�/X�f8�8050.a��`q�+�aC]�| �o�P�ʺ]�.M{�����m ���m����� И�VMц�@�b0�1$�h!f Management of change 8. The low ammonia charge is primarily achieved due to the elimination of the ammonia piping that runs to and from the central machinery room, and its associated large pressure vessels inherent in a central machinery room. When disconnecting the ammonia cylinder and hose from the charging valve, first slacken the flange bolts to allow the ammonia in the hose to escape or pump down. Hoses used for loading or unloading ammonia into or from the refrigeration system have a limited life. To meet this objective, a number of diverse but highly viable industrial refrigeration systems will be reviewed in this document. Open the charging cylinder hand valve and dump in the refrigerant into both the high and low side of the system. Emergency preparedness also includes a need to address fires and other non-ammonia … 2. 1462 0 obj <>/Filter/FlateDecode/ID[<1C84635D1D85CC499F6A04773BB0D393>]/Index[1455 15]/Info 1454 0 R/Length 55/Prev 991033/Root 1456 0 R/Size 1470/Type/XRef/W[1 2 1]>>stream 0000008246 00000 n Set the barrel on the charging cylinder to align with the refrigerant pressure. ��/��ꆦP��� ==��˓\)�4q��P�(�� � �o``g��� �=�,����o�;d�Ø{��I�����$�JC��s* Switch off the machine. Have a look at the sight glass which is attached at the side of the liquid receiver. Boost charging is not recommended except in exceptional circumstances e.g. contaminated ammonia. V34� �� �`hh`�``�`�� �9@�A�!4�!�����-(�֐d� �)fh`� +g�h �� G�C����iPp���T8����y�}g�Neen ��f�;% �y\�@�X@U�rf`.#3@� k It is colourless, lighter than air and chemically reactive. Aqua ammonia is a clear liquid with a low vapor pressure and extremely pungent odor that is strongly alkaline. ���g9��Ĝ���f׶���EYv\�y���!�"�h�P�� �"��/���Lb�p�b Condensation in the piping during construction. Draft Information Request Form B. Ammonia Charging Hose For ammonia. Ammonia is classified by OSHA as a hazardous chemical. Most ammonia leaks are small and do not pose serious health risks. Safe Management of Ammonia Refrigeration Systems –May 2017 in Grantham Slide 3 PSM –The Tools 1. 1. %%EOF 0000059365 00000 n In an effort to perform a relatively comprehensive examination … 0000002962 00000 n Ammonia may also form explosive compounds with gold, silver and mercury as well as their compounds. to a substantially reduced ammonia charge for their cold storagefacilities. Incident investigation 7. Wait about 10-15 minutes so that refrigerant settles down at liquid receiver. Draft Definitions List C. Valve Labeling D. Pipe Labeling E. Equipment Labeling F. Annual Ammonia Inspection G. Mechanical Integrity Inspection H. Pre-Startup / Pre-Charging / Decommissioning Liquid ammonia also has a high compression ratio. Refrigeration System Change Procedures A. Ultra-reliable, safe and efficient operation of a packaged low charge ammonia system can be achieved through thorough testing at a wide range of conditions. PN10942 Version 2 Last updated February 2018 - Emergency planning for ammonia-based refrigeration systems guide Page 4 of 19 Introduction Under the Work Health and Safety Act 2011 (WHS Act), all workplaces must prepare an effective emergency plan for the workplace. Ammonia (R-717) has been a longtime, popular refrigerant choice in industrial facilities, such as cold storage warehouses, food processing plants, and chemical manufacturing plants. 0000001187 00000 n %%EOF trailer safety laws for anhydrous ammonia refrigeration system operators. 1455 0 obj <> endobj For this reason, ammonia is classified as very toxic to aquatic life. Ammonia. <<6A9FC5C92F5FE64F93ECDA9015A48D2A>]>> h��Sߋ1�W�X�$�_8��l��{�iЀ�����w&����E�X�lfg&3߷_F�A�2� jņ%ñ�@W� ������[�o�n�� �?���hW��ø���ršJܥ.��x� h2�u;l�n��j��8y,�q^'䆊�})��q�D0�����i�c�ϺnFJ��)&).r�%>����ŴM�o�U��ܥR�Q������#x���{@���u��yoۏ���[�Y��u�O��o��*�_؞;0)]HM�9��+1=� �(�N(:��EP2�� endstream endobj 27 0 obj <> endobj 28 0 obj <>/Encoding<>>>>> endobj 29 0 obj <> endobj 30 0 obj <>/ColorSpace<>/Font<>/ProcSet[/PDF/Text/ImageC]/ExtGState<>>> endobj 31 0 obj <> endobj 32 0 obj <> endobj 33 0 obj [/ICCBased 39 0 R] endobj 34 0 obj <> endobj 35 0 obj <> endobj 36 0 obj <> endobj 37 0 obj <>stream Ammonia. ��⭱��$ 0000002519 00000 n �^R�t+1P�2|�����;��X7�}�3�O�$� Liquid ammonia is a clear fluid that evaporates quickly at room temperature. The liquid ammonia load-in app helps standardize Standard Operating Procedures (SOPs) for ammonium unloading, helping to minimize the risks associated with moving hazardous materials like ammonia. The app covers the shut-off valve status, ammonia refrigeration levels, protective equipment, cargo hoses and … Already the concentration of 1 mg/l may kill fish. 2.3This document does not address the a stranded customer, as this will reduce battery life, especially if a battery is boost-charged more than once. 3. )�r�B{&/��e����-�T>�MyևnGN�U��\���[I���z�v�oX�`i<. startxref endstream endobj 1456 0 obj <>/Metadata 120 0 R/Pages 1453 0 R/StructTreeRoot 180 0 R/Type/Catalog>> endobj 1457 0 obj <>/MediaBox[0 0 595.32 841.92]/Parent 1453 0 R/Resources<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> endobj 1458 0 obj <>stream 0000075754 00000 n Mechanical integrity 3. The reefer plant is a combination of various machines such as compressor, valves, heat exchangers etc., which are connected to each other through pipes and joints. A list of the federal laws and regulations related to process safety, accident prevention, emergency planning, and release reporting may be found in Appendix C. Many anhydrous ammonia system … Additional Items A. h�bbd``b`�� B H0ՁĄ�D03�X�������b``�J���� � �� o�}bJ��$9 �$��K x�b```"v��� �� or provided the charging of the container is stopped at the first indication of frost or ice formation on its outside surface and is not resumed until such frost or ice has disappeared. Anhydrous ammonia is the liquid form of pure ammonia gas, technically water-free, and the substance used universally as an industrial refrigerant. 0000000983 00000 n Since ammonia is environmentally benign, having zero (GWP) and zero (ODP) characteristics, ammonia is emerging as one of … This page describes some inspection and testing procedures, work practices, and hose selection criteria to ensure the safe transfer of ammonia. xref Complex chemical reactions between oil, oxygen and ammonia. 0000067566 00000 n B. y !�0� Operating procedures 4. 0 3. H��W�r�F}�W�#�%A�_�6��8�D)��79cpH� �p#���===or�eKU683���>}���Թ�NC 0000002897 00000 n STANDARD OPERATING PROCEDURE. Contractors 10. The Low Charge Ammonia Refrigeration System has a capacity up to 75 tons while still maintaining a less than EPA regulated 100 lbs of ammonia. 0000000016 00000 n Information 2. Non-routine work authorisations 9. 0000000696 00000 n While ammonia leaks are rare when following proper procedures, they can still occur. 1469 0 obj <>stream 2. 0000001317 00000 n Now with increased regulatory activity on fluorocarbon refrigerants (i.e., HCFCs and HFCs), even more interest has grown with ammonia as a refrigerant.. Below are some of the characteristics of . Weld joints that are tacked in place and exposed to the elements during construction. Ammonia is a gas with a distinctive pungent odour which can normally be detected by smell at concentrations as low as 5 parts per million (ppm). Charging Procedure with Boost Chargers A. 12. 26 20 Ammonia is a natural refrigerant that has been used for many years in a variety of applications due to its high thermal efficiency. Ammonia and its decomposition products are nutrients that make water systems eutrophic. If the system is not purged with warm, dry nitrogen prior to charging. The process most commonly used is the Harber-Bosch method. procedures are contained in this document, or that additional ... 5.6 Charging Procedure..... 17 5.7 Testing of Protective Devices..... 18 6.0 INSPECTION AND MAINTENANCE ... ammonia refrigerant vapor and discharging to the suction system of a higher stage compressor. The manufacturing process is performed in a closed system combining high purity deionized water with anhydrous ammonia to produce a high quality aqua ammonia … ��"��X�D���:��G��-�1���Xm 0O��xO{&�. The ratio of liquid to gas is 1 to 800, which means that 1 litre of liquid ammonia expands to form 800 litres of gas. Draft Policy B. Commander (or their designee) will be in charge of the response and direct any evacuation of the ... alarms or emergency response procedures, updated training for all involved personnel will be conducted at the time of the changes. 1. Ammonia system shutdown operations are another circumstance during which improper procedures can result in a release. 0000005414 00000 n (ii) Aboveground uninsulated containers may be charged 87.5 percent by volume provided the temperature of the anhydrous ammonia being charged is determined to be not lower than 30 °F. Emergency response Develop Change Forms 13. Ammonia is a hazardous chemical that can cause injury and death if not handled properly. 45 0 obj <>stream Subtract the refrigerant system charge from the amount of refrigerant in the cylinder and mark the level using a rubber band on the barrel. 0000002032 00000 n h:w��C��'OILQ�9MW��}�Rٛ]���q�>��������sˏaAӝ��>W�WzT�$�rW-�������v. 0000002484 00000 n endstream endobj startxref In the absence of the proper valve, the charging can occur via a line which connected to the low-pressure side of the ammonia system. ?���d^ඍ��CO����ӟ�q$^&~O?_A��|��^��vޤ������,��ZV�v�z��2F�N��^�R�y!>!�,�N;s�����a!�98���9�8���4�h�q���6��h�y��1ea����U�5?ȫ;�}�Z�M��Yϻj�;5TmC/�~�+�L�8�0���^9�Ǽ/�aC�D����B7�ޕ��S�����G��ؤ�G���u����鵜>\�"%�p�4�E��J`a��E�D�cd~|������>�?6U�=�fF�jUͫ�\��41Q\�O f��^*E9���I�^e% �"��~,�y Testing Facilities Testing is a fundamental requirement to researching and developing fully rated packaged low charge ammonia refrigeration systems that are ultra-reliable and efficient. A major ammonia spill is potentially disastrous, because liquid Improper procedures when purging non-condensables into Emergencies that can occur in an ammonia refrigeration facility range from minor emissions to ammonia releases of the type identified, evaluated, and managed as part of a Risk Management Program (40 CFR Part 68). special precautions must be taken when working with this chemical. The most common symptoms experienced as a result of an ammonia leak are skin and eye irritation, respiratory irritation, and coughing. &��*T�� 0000005576 00000 n The draining of oil from and addition of oil to ammonia refrigeration systems are routine maintenance procedures. 0000001480 00000 n The user must be alert to signs of hose deterioration before failure occurs. 26 0 obj <> endobj Ammonia gas. %PDF-1.4 %���� �,;o1�80��$�,U�Hr%.2�T�f.�,�hF�j��n�c��&5O�N.�J�T$�2ƣ@z8��n&P����J�J)����[kXL�V�5Lg�Q=��c�>��1���o2�060�x t����a����E���0������$��~ ��� 8c4� Ammonia is highly toxic to fish. Plans for testing and replacing safety equipment, such as monitors and alarm systems, detection equipment, radios, eye washes, respiratory and skin protection equipment, and first aid kits. 2.2This standard shall apply only to closed- circuit mechanical refrigerating systems utilizing ammonia as the refrigerant. Check the level of the liquid; if it is below the line, you have to charge refrigerant in it. Higher concentrations are easily detected. Policies and procedures detailing how to safely operate and maintain the refrigeration system including the safe use, handling and disposal of ammonia. followed by recommendations for handling the chemical and any paperwork needed in order to use the chemical in the laboratory. Exposure to 300 ppm is immediately dangerous to life and health. According to the Safety Data Sheet (SDS) for . Allow the suction pressure gauge to fall to approximately 35kPa and then close the charging valve. THE HAZARDS OF AMMONIA 3. CO2, AMMONIA, R134a (Car A /C), HFO-1234yf Tools AIR CONDITIONER CLEANING MEASURING TOOLS REFRIGERANT SERVICE TOOLS 63 R134a Vapor recovery 120g/min Auto "Fluorocarbons Recovery and Destruction "compliant machine Refrigerant Cleaner 0000001062 00000 n develop, define, and/or review operating procedures for ammonia refrigerating systems. Employee participation 6. ammonia. In order to charge the system, the ammonia installer needs to connect a charging line to the ammonia refrigeration system using the appropriate valve. It is not intended to replace or limit safety procedures in your facility. The main use of refrigeration plants on ships is to keep cargo and food provisions at low temperature to prevent them from spoiling. Open the liquid receiver outlet valve and the plant is then ready for normal operation. 0000037456 00000 n 0 Training 5. 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