Pressure vessel manufacturer in China
Liquid Ammonia Storage Tank
Abstract:
The liquid ammonia storage tank is a horizontal single-layer tank designed to store liquid ammonia. It is cylindrical in shape and consists of a cylinder body, a head, and a saddle
The liquid ammonia storage tank is a horizontal single-layer tank designed to store liquid ammonia. It is cylindrical in shape and consists of a cylinder body, a head, and a saddle
Product Description
Feature Description
The liquid ammonia storage tank is a horizontal single-layer tank designed to store liquid ammonia. It is cylindrical in shape and consists of a cylinder body, a head, and a saddle. The main material used is Q345R. Standard nozzles on the tank include liquid ammonia inlet, manhole, safety valve port, pressure gauge connection, vent port, gaseous ammonia outlet, blowdown port, liquid ammonia outlet, liquid level gauge connection, and thermometer connection. The tank body is painted yellow as a color code. The medium has moderate hazard and strong permeability. The medium loading capacity is 45 cubic meters, with 10% of gas phase space reserved. The working pressure is 1.93 MPa, the design pressure is 2.16 MPa, and the maximum allowable working pressure is 2.22 MPa. The design temperature ranges from -20 to 54°C.
Design, manufacturing, and inspection standards
1. TSG 21-2016 《Supervision Regulation on Safety Technology for Stationary Pressure Vessels》
2. NB/T47042-2014 《Horizontal Vessels》
3. NB/T47015-2011 《Welding Code for Pressure Vessels》
4. NB/T47013-2015 《Nondestructive Testing of Pressure Equipment》
5. GB/T30583-2014 《Post-weld Heat Treatment Code for Pressure Equipment》
| Design parameters | Design, manufacturing, and inspection standards | ||||||
| Container category | Ⅲ | 1. TSG21-2016 《Supervision Regulation on Safety Technology for Stationary Pressure Vessels》 2. NB/T47042-2014 《Horizontal Vessels》 3. NB/T47015-2011 《Welding Procedures for Pressure Vessels》 4. NB/T47013-2015 《Nondestructive Testing of Pressure Equipment》 5. GB/T30583-2014 《Post-weld Heat Treatment Procedure for Pressure Equipment》 | |||||
| Work pressure Mpa | 1.93 | ||||||
| Design pressure Mpa | 2.16 | ||||||
| Maximum allowable working pressure Mpa | 2.22 | ||||||
| Operating Temperature ℃ | -15~50 | ||||||
| Design temperature ℃ | -20/54 | Manufacturing and inspection requirements | |||||
| Medium name | Liquid ammonia (Note 1) | Welding materials | Base material of welded joint | Welding rod | Submerged arc welding wire/flux | Argon arc welding | |
| Medium characteristics | Moderate hazard, strong permeability | Low-alloy steel | E5015 | F48A2-H10Mn2 | ER50-6 | ||
| Medium density kg/m³ | 620 | Low alloy steel + carbon steel | E5015 | / | / | ||
| Main pressure component materials | Q345R | The rest | E4315 | / | Note 2 | ||
| Corrosion allowance mm | 2 | Non-destructive testing | Radiation technology level | AB | Ultrasonic technology level | B | |
| Welding joint coefficient (cylinder/head) | 1.0 | Types of welded joints | Detection rate | Detection method | Qualified Level | ||
| Total volume m³ | 5-200 | Each weld seam of AB | Cylinder | 100% | RT | Ⅱ | |
| Filling coefficient | 0.9 | Head | 100% | RT | Ⅱ | ||
| Safety valve set pressure Mpa | 2.22 | Head | 100% | MT | Ⅰ | ||
| Insulation material/insulation thickness mm | / | DM>250 nozzle and long-neck flange, type B | 100% | RT | Ⅱ | ||
| Seismic fortification intensity/Seismic acceleration | 7 degrees/0.15g | DM>250 nozzle and long-neck flange, type D | 100% | MT | Ⅰ | ||
| Design service life | 15 years | Experiment | Pressure test pressure MPa | Water pressure | 2.78 | Atmospheric pressure | / |
| Heat treatment | Overall post-weld heat treatment | Tightness test pressure MPa | 2.16 | ||||
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No. 490, Hengsheng Road, Yuhe Industrial Park, Weicheng District, Weifang City, Shandong Province, China