NB/T 47003.2-2022 English PDFUS$1739.00 · In stock
Delivery: <= 9 days. True-PDF full-copy in English will be manually translated and delivered via email. NB/T 47003.2-2022: (Atmospheric pressure vessels - Part 2: Solid storage bins) Status: Valid NB/T 47003.2: Historical versions
Basic dataStandard ID: NB/T 47003.2-2022 (NB/T47003.2-2022)Description (Translated English): (Atmospheric pressure vessels - Part 2: Solid storage bins) Sector / Industry: Energy Industry Standard (Recommended) Classification of Chinese Standard: J74 Word Count Estimation: 77,796 Date of Issue: 2022-11-04 Date of Implementation: 2023-05-04 Issuing agency(ies): National Energy Administration ICS 23.020.10
PROFESSIONAL STANDARD NB
OF THE PEOPLE'S REPUBLIC OF CHINA
J 74
NB/T 47003.2-2009 (JB/T 4735.2)
Partially Replace JB/T 4735-1997
Silos for Solid Materials
ISSUED ON. DECEMBER 1, 2009
IMPLEMENTED ON. MAY 1, 2010
Issued by National Energy Administration
Contents
Scope ... 115
2 No1mative References .. 115
3 Terms and Definitions .. 11 7
4 General Provisions ... 118
5 Materials .. 123
6 Design Calculation ... 136
8 Manufacturing, Inspection and Acceptance of Aluminum Silos ... 178
Appendix A (Informative) Structure of Si loses for Solid Materials .. 182
Silos for Solid Materials
Scope1.1 This part in NB/T 47003 specifies the requirements in design, manufacture, inspection and acceptance of silos for solid materials (hereinafter referred to as silos). 1.2 This part is applicable to steei or Aluminum made welded vertical circular silos used for storing solid bulky materials, which the volume is greater than 15m3, the design pressure is larger than -500Pa and less than O.lMPa, and the design temperature is the service temperature required by silos shell material. The silos which the parameters exceed above parameter range may be designed and manufactured by reference to this paii. 1.3 This standard is not applicable to the following siloses. a) Silos directly embedded underground; b) Siloses storing extremely or highly toxic medium; c) Bunkers moved often; d) Bunkers which the volume is less than or equal to l 5m3 .Normative ReferencesThe following referenced documents are indispensable references, only the edition cited applies. For the dated n01mative references, only the dated editions are applicable to this document. For undated references, the latest edition of the normative document (including all the amendments) referred to applies. GB 150 "Steel Pressure Vessels" GB/T 699- 1999 "Quality Carbon Structural Steels" GB/T 700-2006 "Carbon Structural Steels" (GB/T 700-2006, ISO 630.1995, NEQ) GB 713-2008 "Steel Plates for Boiler and Pressure Vessels" (GB 713 -2008, IS09328- 2. 2004, NEQ) GB 912-2008 "Hot-rolled Plates and Strips of Carbon Structural Steels and High Strength Low Alloy Structural Steels" (GB 912-2008, IS04995.2001(E), ISO 4996.1999(E), NEQ) GB/T 983-1995 "Stainless Steel Covered Electrodes" GB/T 985 .1-2008 "Recommended Joint Preparation for Gas Welding Manual Metal Arc Welding Gas-shield Arc Welding and Beam Welding" (GB/T 985.1-2008, ISO 9692-1.2003 , MOD) GB/T 1220-2007 "Stainless Steel Bars" GB/T 3077-1999 "Alloy Structure Steels" GB/T 3091-2008 "Welded Steel Pipes for Low Pressure Liquid Delivery" (GB/T 3091- 2008, ISO 559. 1991, NEQ) GB/T 3274-2007 "Hot-rolled Plates and Strips of Carbon Structural Steels and High Strength Low Alloy Structural Steels" GB/T 3280-2007 "Cold Rolled Stainless Steel Plate Sheet and Strip" GB/T 3880.1-2006 "Wrought Aluminum and Aluminum Alloy Plates, Sheets and Strips for General Engineering-Pait 1. Technical Conditions of Delivery" GB/T 3880.2-2006 "Wrought Aluminum and Aluminum Alloy Plates Sheets and Strips for General Engineering-Part 2. Mechanical Properties" GB/T 3880.3-2006 "Wrought Aluminum and Aluminum Alloy Plates, Sheets and Strips for General Engineering-Part 3. Tolerances on Forms and Dimensions" GB/T 4237-2007 "Hot Rolled Stainless Steel Plate Sheet and Strip" GB/T 5117-1995 "Carbon Steel Covered Electrodes" GB/T 5118-1995 "Low Alloy Steel Covered Electrodes" GB/T 5293-1999 "Carbon Steel Electrodes and Fluxs for Submerged Arc Welding" GB 6479- 2000 "Seamless Steel Tubes for High-pressure for Chemical Fertilizer Equipments" (GB6479 - 2000, IS09329-2.1997, NEQ) GB/T 6893 - 2000 "Aluminum and Aluminum Alloy Cold Drawn (Rolled) Seamless Tubes" GB/T 8162-2008 "Seamless Steel Tubes for Structural Purposes" GB/T 8163-2008 "Seamless Steel Tubes for Liquid Service" GB/T 12470-2003 "Low Alloy Steel Electrodes and Fluxs for Submerged Arc Welding" GB 13296-2007 "Seamless Stainless Steel Tubes for Boiler and Heat Exchanger" GB/T 14957-1994 "Steel Wires for Melt Welding" GB/T 14976-2002 "Stainless Steel Seamless Tubes for Fluid Transpoti" GB 50009-2001 "Load Code for the Design of Building Structures" JB/T 4 71 0 "Steel Vertical Vessels Supported by Skirt" JB/T 4 711 -2003 "Coating and Packing for Pressure Vessels Transport" JB/T 4712.3-2007 "Vessel Suppo1ts-Part 3. Lug Support" JB 4 726- 2000 "Carbon and Low-alloy Steel Forgings for Pressure Vessels" JB 4728-2000 "Stainless Steel Forgings for Pressure Vessels" In any case, the surface temperature of the component metal must not exceed the allowable service temperature of the metal material. 3.5 Design Temperature Design temperature is referred to the set metal temperature of a component part under normal operating conditions, and the value hereof must not be lower than the possible maximal metal temperature of the component metal under operating conditions. As for the metal temperature under 0 'C, the design temperature must not be higher than the minimal temperature the component metal may reach. Note. The design pressure and design temperature under sever working conditions, of the silos under various operating conditions, shall be indicated clear in the pattern or correspond technical document. 3.6 Test Temperature Test temperature is referred to the metal temperature of the vessel shell in the process of the pressure test. 4 General Provisions 4.1 General Rules The design, manufacture, inspection and acceptance of silos shall meet the requirements of NB/T 47003.1, besides the requirements of this pati in NB/T 47003. 4.2 Scope of Silos The silos scope in this Pati refers to the silos shell and the spare parts connected with it, which are restricted to the following scope. a) Connection of silos to external pipe. 1) The first girth joint groove end face on weld joint; 2) The first threaded connector end surface of screwed joint; 3) The first flange sealing surface of flange joint; 4) The first sealing surface of special connecting piece or pipe fittings connection; b) Closing component patis of silos opening, like fanned head of manhole and handhole, flat-cover and their connecting fasteners; c) Bearing components, opening reinforcement components, their welding joints with the shell, etc.; d) Safe relief devices directly mounted on silos (meeting the requirements of the pattern). 4.3 Qualification and Responsibility 4.3.1 The design and manufacturing organizations of the silos shall be possessed of sound quality management system. 5.1.5 For selecting the materials for silos, the following factors shall be taken into consideration. operating conditions (like design temperature, media characteristics and operating feature). Welding performance of material, manufacturing process of silos, silos economical rationality, etc .. 5.1.6 The special requirements, if specified for the material, shall be indicated clear by the design organization in the pattern or corresponding technical documents. 5.2 Steel Plate 5.2.1 The standard operating condition and allowable stress of steel plates shall meet the requirements of Table 5. 5.2.2 The application scope of carbon steel rimmed sheet Q235A.F shall meet the following requirements. a) The service temperature of the steel plate is O'C-250 'C; b) The thickness of the steel plate, used for silos shell, is not greater ihan 16mm; c) It must not be used for the silos containing the medium with extremely, highly and intermediate hazard medium, or combustible medium. Note. The level division of medium toxici ty shall meet the requirements of HG 20660. 5.2.3 The application scope of carbon st ill steel Q235A, Q235B and Q235C shall meet the following requirements. a) The service temperature of the steel plate is 0°C-350 °C; b) The thickness of the steel plate, used for silos shell, is not greater than 40mm. Note. The silos open to surrounding is not limited by above application scope. 5.2.4 Q245R and Q345R steel plates, used for the component paiis like flange and flat- cover, with the thickness greater than 50mm, shall be used under normalized condition. 5.2.5 When the steel plate is used for silos shell circular cylinder, and the design temperature and the steel plate thickness meet the following conditions, a steel plate shall be selected from each batch for Charpy V-notch low temperature impact test. The test temperature shall be the design minimum temperature, and the test piece is sampled along the transverse direction. a) Q245R steel plate which the design temperature is -20°C-- l0 °C and the steel plate thickness is greater than 12mm. the impact power mean value of 3 test pieces is not less than 27J; it is allowable that the impact power of a test piece is less than the mean value, and it... ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of NB/T 47003.2-2022_English be delivered?Answer: Upon your order, we will start to translate NB/T 47003.2-2022_English as soon as possible, and keep you informed of the progress. The lead time is typically 6 ~ 9 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of NB/T 47003.2-2022_English with my colleagues?Answer: Yes. The purchased PDF of NB/T 47003.2-2022_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version NB/T 47003.2-2022?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version NB/T 47003.2-2022 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
