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Issues with water spraying in the liquid ammonia pump room?

2017-07-11View Original

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As the title suggests, is it necessary to install a water spray system in the liquid ammonia pump room of the liquid ammonia storage area (to prevent ammonia leaks)?
Reply #22017-07-11
Sprinkler water is not designed for the pump house; it is only provided in the tank area
Reply #32017-07-11
Is there a source for the standard? Using water spraying to deal with liquid ammonia leaks is indeed an effective measure
Reply #42017-07-11
A water spray system is not required in the liquid ammonia pump room, but it is necessary in the liquid ammonia tank area.
Reply #52017-07-12
Then go to the accident exhaust gas treatment system. Something more intense than spray water. At least investment is more intense.
Reply #62017-07-12
I think it’s great to have a sprinkler system – it’s cheap and highly effective!
Reply #72017-07-12
Pump room sprinkler? Is your motor’s protection rating sufficient? ~~
Reply #82017-07-12
It’s necessary, right? Last time, even when we used a liquid ammonia cylinder intermittently, we had to install a spraying device on top.
Reply #92017-07-13
The last edit to this post was made by Lao Ma Shi Tu 365 on 2017-7-13 at 11:41. The \"Guidelines for the Implementation of Safety Standardization in Ammonia Synthesis Enterprises\" (AQ T3017-2008) specify the following basic safety requirements for the storage and filling of liquid ammonia: 1. Storage of liquid ammonia: 1) Electrical equipment in the tank area must meet fire and explosion prevention requirements; 2) Remote monitoring and over-limit alarm devices should be installed for the liquid ammonia storage tank ; 3) Liquid ammonia storage tanks larger than 100 m3 shall be equipped with dual safety valves, and the exhaust from these safety valves should be directed to a recovery system or to a flaring system for combustion ; 4) Double isolation valves should be installed on the inlet and outlet pipelines of the liquid ammonia storage tank, one of which being an emergency isolation valve ; 5) The liquid ammonia storage area should be equipped with fire dikes, spare accident ammonia tanks, ammonia vapor recovery systems, emergency spraying facilities, and systems for collecting cleaned wastewater. 2. Filling of road tankers: 1) A dip pipe should be used for filling liquid ammonia ; 2) There are effective measures to prevent the vehicle from sliding during the filling process of tank trucks ; The filling staff are responsible for removing the vehicle keys and keeping them until the filling is complete; the operators, driver, and escort are not allowed to leave the site ; 3) The static grounding device of the tank truck is in good condition ; 4) Open flames and smoking are strictly prohibited at the loading and unloading site and in the vicinity of tank trucks; tools and items that may generate sparks must not be used, and tank trucks must not be used as storage tanks or vaporizers ; 5) It is strictly prohibited to heat storage tanks and tank car containers using steam or other methods ; 6) Areas where liquid ammonia is filled and stored should be equipped with necessary emergency repair equipment, protective gear, and fire-fighting equipment ; 7) Before filling, check that the driver’s license, tank inspection certificate, road tanker use permit, escort officer certificate, and transportation permit are all complete and valid ; Filling vehicles should be equipped with fire extinguishers, flame arrestors, and gas-liquid phase pipe caps ; 8) Before filling, the tank truck must be kept at positive pressure, with a residual pressure of at least 0.05 MPa, to prevent air from entering the tank ; 9) The filling pressure shall not exceed 1.6 MPa ; 10) When filling a tank truck, a filling record must be filled out each time. The contents include the user unit, filling date, permitted filling volume, actual filling volume, and reweighing records, along with the signatures of the person who performed the filling, the person who conducted the recheck, and the escort. 11) A spraying device should be installed at the liquid ammonia filling site, as well as online measuring equipment; an emergency shut-off valve should be placed at the first valve before the filling pipe.
Reply #102017-07-14
Generally speaking, it should be enough. Since they are already explosion-proof, they must also be waterproof. If it really isn’t waterproof, a motor protection cover can be installed to prevent water from getting in, and measures should also be taken to prevent gas buildup.
Reply #112017-07-14
Generally speaking, it should be enough. Since they are already explosion-proof, they must also be waterproof. If it really isn’t waterproof, a motor protection cover can be installed to prevent water from getting in, and measures should also be taken to prevent gas buildup.

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