Request for the process design specification for the oil depot construction drawings

1. Design basis ● Engineering design requirements 2. Standards and specifications for design basis ● Code for design of fire protection in petrochemical enterprises (1999 edition) GB50160-92 ● Code for design of anti-corrosion engineering of steel pipelines and storage tanks SY0007-1999 ● Code for design of tank farms in petrochemical storage and transportation systems SH3007-1999 ● Code for design of pump houses in petrochemical storage and transportation systems SH/T3014-2002 ● General rules for pipeline layout design in petrochemical enterprises SH3007-1999 ● General rules for selection of pipeline materials in petrochemical enterprises SH3059-2001 3. Scope of design This unit involves the redesign of defective tank farms and pump houses. This unit is equipped with 2 500m3 floating-roof tanks for storing light contaminated oil, 2 500m3 dome tanks and 6 100m3 dome tanks for storing the defective gasoline and diesel produced by the facilities across the entire plant, and 2 100m3 dome tanks fitted with heaters for storing the contaminated oil recovered from the wastewater treatment facility. Suppose there are 3 oil pumps: 1 defective transfer pump that also serves as an oil waste loading pump, and 2 defective reprocessing pumps. 4. Brief description of the process flow: Light contaminated oil comes from two atmospheric and vacuum distillation units and is stored in two tanks for light contaminated oil. The defective products from two atmospheric and vacuum distillation units as well as two catalytic units are stored in 2 500 m3 defective product tanks; when the amount of defective products is large, they can be transferred to 6 100 m3 defective product tanks via transfer pipelines. The waste oil recovered from the sewage treatment plant is fed into 2 100m3 waste oil tanks, and then transferred to a makeshift loading area using transfer pumps for loading. Lightly contaminated oil and defective products are sent back to the unit for reprocessing using 2 reprocessing pumps. The heavy catalytic unit is equipped with a dedicated DN50 pipeline for reprocessing defective products, while the reprocessing of products from other process units is carried out using the pipelines designed for removing defective products from those units. 5. Design specifications for pipeline materials 5.1 Selection principles Pipeline materials shall be selected in accordance with the requirements of SH3059-2001 \"General rules for selecting materials for pipelines in petrochemical enterprises\". 5.2 The selection standard for steel pipes is GB/T8163-1999 \"Seamless Steel Pipes for Transporting Fluids\", with the material being 20# carbon steel pipes. 5.3 The selection standard for pipe fittings is GB12459-90 \"Steel Butt-Welded Seamless Pipe Fittings\", with the material being 20# carbon steel pipe fittings. 5.4 Valves: Single-plate gate valves are used as isolation valves for process pipelines; TB series bimetallic temperature-controlled steam traps are used for steam traps; and lift-type check valves are used as check valves. The flange of the valve body is required to be a raised face butt-welding flange, in accordance with the standard HG20595-97B \"Steel Pipe Flanges with Neck for Butt Welding\". 5.5 Flanges, Gaskets, and Fasteners 5.5.1 For flanges, raised-face welding flanges shall be used, in accordance with the standard HG20595-97B \"Welded Steel Pipe Flanges with Neck\" ； 5.5.2 The flange cover shall be a raised-face flange cover, in accordance with the standard HG20601-97B \"Steel Pipe Flange Covers\". ； 5.5.3 The gasket to be used is an external-ring type wound gasket, in accordance with the standard HG20610-97 \"Wound Gaskets for Steel Pipe Flanges\" ； 5.5.4 Double-headed studs shall be used as fasteners, in accordance with the standard HG20613-1997 \"Fasteners for Steel Pipe Flanges\". The material of the double-headed bolts should be 35#, while the material of the nuts should be 25#. 6. Corrosion protection and insulation 6.1 All pipelines are protected against corrosion. For the anti-corrosion material of insulated pipelines, red lead rust-inhibiting primer is used, while for non-insulated pipelines, red lead rust-inhibiting primer alkyd enamel is used. 6.2 Glass wool is used for the pipeline insulation layer, while a galvanized iron sheet with a thickness of δ=0.5 mm is used as the protective layer. 7. Construction and Acceptance 7.1 Standards for Construction and Acceptance Construction and acceptance shall be carried out in accordance with the following standards: ● GB50235-1997 \"Code for Construction and Acceptance of Industrial Metal Piping Projects\" ● GB20236-1998 \"Code for Construction and Acceptance of Welding Works for Field Equipment and Industrial Piping\" ● SH3501-2002 \"Code for Construction and Acceptance of Piping Projects for Toxic and Flammable Media in Petrochemical Industries\" ● SH3010-2000 \"Technical Code for Insulation of Equipment and Piping in Petrochemical Industries\" 7.2 Equipment Installation The installation of pumps and motors shall be carried out in accordance with GB50275-1998 \"Code for Construction and Acceptance of Installation Works for Compressors, Fans, and Pumps\", while the installation of other equipment shall be guided by the equipment manufacturers. 8. Others ● Protective sleeves are installed at locations where pipes pass through walls, fire dikes, partitions, etc. For uninsulated pipes, the protective sleeve is one size larger than the pipe; for insulated pipes, it is two sizes larger. The joints are then sealed with asphalt putty.

For the design specifications regarding the renovation of our tank area, please refer to the above

Thank you very much for what was shared above, but it seems like there’s a bit little content