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GB 13076-2009 English PDF

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GB 13076-2009: [GB/T 13076-2009] Periodic inspection and evaluation of dissolved acetylene gas cylinders
Status: Valid

GB 13076: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB 13076-2009	English	419	Add to Cart	4 days [Need to translate]	[GB/T 13076-2009] Periodic inspection and evaluation of dissolved acetylene gas cylinders	Valid	GB 13076-2009
GB 13076-1991	English	559	Add to Cart	4 days [Need to translate]	Periodic inspection and evaluation of dissolved acetylene cylinders	Obsolete	GB 13076-1991

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Basic data

Standard ID	GB 13076-2009 (GB13076-2009)
Description (Translated English)	[GB/T 13076-2009] Periodic inspection and evaluation of dissolved acetylene gas cylinders
Sector / Industry	National Standard
Classification of Chinese Standard	J74
Classification of International Standard	23.020.30
Word Count Estimation	16,170
Date of Issue	2009-06-25
Date of Implementation	2010-04-01
Older Standard (superseded by this standard)	GB 13076-1991; GB/T 13003-1991
Quoted Standard	GB/T 3864; GB 7144; GB 8335; GB/T 8336; GB 10878; GB 10879; GB 11638; GB 12135; GB 13591
Regulation (derived from)	Announcement of Newly Approved National Standards No. 8, 2009 (No. 148 overall)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This Chinese standard specifies the use acetylene cylinders (hereinafter referred to as acetylene bottles) Periodic inspection and evaluation of the basic methods and technical requirements. This standard applies to the design according to GB 11638, manufactured dissolved acetylene cylinders.

GB 13076-2009: [GB/T 13076-2009] Periodic inspection and evaluation of dissolved acetylene gas cylinders

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Periodic inspection and evaluation of dissolved acetylene gas cylinders ICS 23.020.30 J74 National Standards of People's Republic of China Replacing GB 13076-1991, GB/T 13003-1991 Periodic inspection and evaluation of dissolved Posted 2009-06-25 2010-04-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 inspection agency, inspection and testing cycle 1 project 4 Test preparation 1 Visual inspection 2 5 6 seats, stuffed seat inspection 3 Check the filler 7 3 8 bottle wall thickness measuring 3 9 Annex examination 3 10 pneumatic test 4 Working 11 examination 4 Appendix A (informative) depressions, pits, gouges and scratches depth measurement values 5 Methods Appendix B (informative) Measurement shoulder axial clearance 7 Annex C (informative) Measurement 8 radial gap filler Annex D (normative) pressure test 9 Annex E (informative) dissolved acetylene cylinders Periodic inspection and evaluation of a comprehensive record of 10 Annex F (informative) resume acetylene cylinders 11 Annex G (informative) acetylene cylinders scrapped notice 12

Foreword

The Standard Appendix A, Appendix B, Appendix C, Appendix E, Appendix F and Appendix G are recommended, the rest are mandatory. The reference to the standard ISO 10462 "mobile acetylene cylinders Periodic inspection and maintenance" part. This standard replaces GB 13076-1991 "Periodic inspection and evaluation of dissolved" and GB/T 13003-1991 "acetylene gas Bottle pressure test method. " This standard compared with GB 13076-1991, the main changes are as follows. --- Within the range includes press GB 16164-1996 "a small volume of dissolved" design, manufacture of acetylene cylinders, thereby increasing Plus acetylene bottles seamless structure inspection requirements; --- Acetylene bottles examination prior to registration in accordance with the relevant requirements of the contents of a bottle of acetylene acetylene bottles on product standards symbol tag content changes were Adjustments; --- Determination of dissolved useful life of 30 years; --- The value of the remaining wall thickness of minimum requirements are designed to improve the wall thickness of the bottle; --- The entire contents of GB/T 13003-1991 "acetylene cylinder pressure test method" included in the Appendix to this standard; --- Coated in accordance with the provisions of acetylene bottles GB 7144-1999 "cylinders colored sign" in the abolition of the original standard test swatch color Color and shape of the appendix. Appendix D of this standard is a normative appendix, Appendix A, Appendix B, Appendix C, Appendix E, Appendix F and Appendix G is an informative annex. This standard by the National Standardization Technical Committee cylinder (SAC/TC31) and focal points. This standard was drafted. Dalian Institute of Boiler and Pressure Vessel Inspection, Quality and Technical Supervision in Dalian, Beijing Tianhai Industry Co., the company. The main drafters of this standard. Han Bing, Li Gao, Wang Yuan, Zhang Baoguo. This standard replaces the standards previously issued as follows. --- GB 13076-1991; --- GB/T 13003-1991. Periodic inspection and evaluation of dissolved

1 Scope

This standard specifies the use acetylene cylinders (hereinafter referred to as acetylene bottle) Periodic inspection and evaluation of the basic methods and technical requirements. This standard applies to acetylene cylinders according to GB 11638 design, manufacture.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 3864 industrial nitrogen GB 7144 cylinders color logo GB 8335 cylinders dedicated thread GB/T 8336 cylinders dedicated thread gauge GB 10878 cylinders tapered thread tap GB 10879 acetylene cylinder valve GB 11638 acetylene cylinders (GB 11638-2003, ISO 3807.2.2000, Cylindersforacetylene-Basic requirements-Part 2. Cylinderswithfusibleplugs, MOD) GB 12135 Periodic inspection station technical conditions GB 13591 acetylene cylinder filling provisions 3 inspection agency, inspection and testing cycle project 3.1 inspection agency Conduct periodic inspection of acetylene bottle inspection unit must meet the requirements of GB 12135, and by the national special equipment safety supervision and management unit Door approval. Inspection unit must have a performance test acetylene bottles of special test equipment. 3.2 inspection cycle Acetylene bottles every three years Periodic inspection and evaluation. If it is found in the course of the following circumstances, you should stop using, at any time for inspection. a) found that acetylene bottle bottle there is serious damage, corrosion; b) when filling, spray cooling under normal conditions, the bottle wall temperature exceeds 40 ℃; c) under normal conditions of filling, solvent and acetylene filling GB 13591 amounted to less than a predetermined value; d) There are clear signs of burning and tempering. 3.3 Test Project Acetylene bottles periodic inspection items include. visual inspection, the seat and plug seat inspection, packing inspection, inspection and pressure test Annex.

4 Test preparation

4.1 Record 4.1.1 Only by checking the registration or check mark and acetylene bottles manufacturing inspection mark registration include. Country, license number or manufacturing units Unit code, name of the manufacturer, cylinder number, date of manufacture, tare weight, the actual volume of the bottle, the bottle wall thickness design, and the last date of inspection and testing Unit, filling a predetermined amount of acetone, the maximum amount of acetylene. 4.1.2 without obtaining national special equipment safety supervision and management department of the manufacturing license of manufacturing production of acetylene bottles manufactured does not meet the mark GB 11638 or "Gas Cylinder Safety Supervision" provides acetylene bottles manufactured flag blurred or incomplete items they can not identify the cause can not comment Given acetylene bottles, relevant government documents prohibit the reuse of acetylene bottles, not scrapped after testing according to the recording. 4.1.3 Use of acetylene bottles for more than 30 years, will not be recorded after testing in accordance with scrap. More than 4.2 bottle gas treatment 4.2.1 acetylene bottles must be tested to check the residual pressure and release, the release time can not be less than 8 hours after the release of at inspection workplace environment Temperature, test acetylene cylinder gas pressure does not exceed more than 0.01MPa. 4.2.2 For acetylene cylinder valve can not open the bottle, after proper disposal, residual gas pressure in line with 4.2.1 can be put into test. 4.3 Weighing and surface cleaning 4.3.1 Clear acetylene bottles surface debris, dirt and loose coatings. 4.3.2 subject acetylene bottles were weighed to check if the actual mass exceeding the acetylene bottles tare 1kg above, consider drying process after test.

5 visual inspection

Only by acetylene bottles surface inspection, bottle and weld (welding of steel) if there are depressions, pits, drum kits, knock injury, stroke Injury, crack, mezzanine, wrinkles, corrosion, heat damage and weld defects. 5.1 metal mechanical damage inspection and evaluation 5.1.1 bottle cracks, drum kits, scarring, wrinkles or defects such as inclusions acetylene bottles should be scrapped. 5.1.2 bottle presence gouges, scratches, pits acetylene bottles, the bottle should be measured gouges, scratches, depth measurements pits Appendix A. Ultrasonic thickness measurement using tools such as the wall thickness of the bottle in the actual site, minus the bottle gouges, scratches, at the depth of the pit, where to get the The remaining wall thickness, the wall thickness of the remaining wall thickness less than the design of acetylene bottles should be scrapped. 5.1.3 does not meet the conditions for retirement defects, especially linear defect or mechanical damage should be sharp grinding to smooth the transition edges, However, after grinding the remaining wall thickness not less than the design of the wall thickness. 5.2 thermal damage inspection and evaluation Bottle existence arc marks or obvious signs of severe burns flame, causing the cylinder valve and easy fluxing melting fusible alloy plug leaking acetylene cylinder It should be scrapped. 5.3 corrosion inspection and evaluation 5.3.1 isolated pitting corrosion on the bottle, the remaining wall thickness linear corrosion, localized corrosion and general corrosion is less than the design thickness acetylene bottles should scrapped. 5.3.2 due to severe corrosion, corrosion can not judge the depth of acetylene bottles should be scrapped. Inspection and evaluation of the base 5.4 Base broken, Desoldering, severe deformation, resulting in instability or bottle standing between the base and the bottom surface of the support is less than the minimum distance of 10mm Acetylene bottles should be scrapped. 5.5 overall visual acetylene bottles have significant deformation should be scrapped. 5.6 pairs of welded steel acetylene cylinder visual inspection should be carried out the following Review and Evaluation 5.6.1 Depression 5.6.1.1 bottle recessed deeper than 6mm or greater than 1/10 of the diameter of the recess short acetylene bottles should be scrapped, measurement methods in Appendix A. 5.6.1.2 bottle recessed depth of less than 6mm, depression with scratches or gouges defects, if defects deeper than the provisions of 5.1.2, The acetylene bottles should be scrapped. 5.6.2 weld inspection and evaluation 5.6.2.1 not allow weld undercut, weld and heat affected zone of the surface shall not have cracks, holes, craters, depressions and irregular mutation. After scratches or gouges by grinding 5.6.2.2 body welds on the weld height of not less than the base material. 5.6.2.3 body weld heat affected zone of knock or scratch wound after grinding the remaining wall thickness shall not be less than the design wall thickness. Depression maximum depth 5.6.2.4 body welds and heat affected zone of not greater than 6mm. 5.6.2.5 examination of the suspected site of use 10 times the magnifying glass to check, if necessary, the surface non-destructive testing. 5.7 pairs of seamless steel acetylene cylinder should perform the following visual inspection 5.7.1 Review and Evaluation recess 5.7.1.1 bottle recess depth exceeds 2mm or greater than 1/30 the diameter of the recess short acetylene bottles should be scrapped, measurement methods in Appendix A. 5.7.1.2 bottle with depression when scratches or gouges defect, if it is greater than a predetermined defect depth 5.1.2; although less than or defect depth Equal provisions 5.1.2 and 5.7.1.1, but the scratches or gouges short length greater than the recess diameter and depth of the recess or recesses of more than 1.5mm deep Depression is greater than the minor axis of 1/35, the acetylene bottles should be scrapped. 6 seats, stuffed seat check 6.1 visually or with low magnification magnifier by check only seat or seat and threaded plugs for cracks, deformation, corrosion or other mechanical damage. 6.2 valve seat or plug cracks, tilt, collapse of acetylene bottles should be scrapped. 6.3 valve seat or plug thread no cracks or crack defects, but allow a slight injury does not affect the use, which allows no more than 3 tooth gap, the gap is no more than 1/6 of the circumference, high notch depth of no more than 1/3 of the tooth. 6.4 thread mild corrosion, abrasion and other damage can be used in line with the GB 10878 Taps repair after repair conforming GB/T 8336 The test gauges; gauge thread diameter axial deviation is greater than 1.5mm acetylene bottles should be scrapped, after the valve over less than 2 buckle buckle acetylene bottles should scrapped.

7 packing inspection

7.1 filler surface inspection Only by removing the cylinder valve, remove the guide hole filling, filler visual inspection. 7.1.1 Visual and hand methods, if found filler surface collapsing, loose, soft or deterioration (color is dark), pulverized, the bottle should scrapped. 7.1.2 caused by tempering the filler surface charred acetylene bottles should be scrapped. 7.2 Determination of the gap filler and bottle case 7.2.1 feeler in the bottle with a special plane angle measuring bottle into each other on the shoulder three 120 ° axial gap, the gap should not exceed the maximum length of the filler Degrees and not more than 0.3% of 3mm, measurement methods in Appendix B. 7.2.2 Press measuring method Appendix C prompt, measure the radial gap filler and the shell of the cylinder, the diameter of the filler is more than 0.4% of acetylene bottles should scrapped.

8 bottle wall thickness measuring

8.1 pairs of acetylene bottles in addition to the defective parts of the local thickness measurement, it must also be designated only by thickness measurement. 8.2 Thickness of the error should not be greater than ± 0.1mm. 8.3 Foreign slight degree of surface corrosion acetylene bottle, if the steel is welded, at least in the upper head, the cylinder head and the lower part of each of three Determination 1.00; if it is seamless steel, on the bottle was measured three points. Severe corrosion of acetylene bottle, if the steel is welded, at least On the measurement head 2 points, measured on the cylinder 4 points, 2 points lower head measured; if it is seamless steel, on the bottle measurement 6.00. Each measuring point It should be selected in the depths of corrosion. 8.4 Design of the remaining wall thickness smaller than the thickness of acetylene bottles should be scrapped.

9 attachment checking

9.1 Pingfa Cylinders shall be carried out only by check. Bottle valve member due to wear and tear, and the need to replace the cylinder valve assembly must be carried out according to the relevant provisions of GB 10879 Tightness test, after passing inspection mark to be stamped on the body. 9.1.1 should be carried out by only the cylinder valve inspection and cleaning, to ensure open and close freely, does not leak. 9.1.2 and other body parts may not have severely deformed thread may not have serious damage, the requirements set out by the 6.3. 9.1.3 When the cylinder valve is damaged, under normal circumstances should be replaced with a new cylinder valve, cylinder valve manufacturer unless permission from the inner valve replacement on behalf of Member, but the replacement valve internal parts, must be GB 10879 of the relevant provisions of the valve tightness test. 9.2 fusible alloy plug Fusible alloy plug may not be removed for inspection, if found to have one of the following conditions should be replaced. a) When the pressure test, the plug body has a leakage; b) fusible alloy surface has significant subsidence; c) hex severe wear. 9.3 bottle cap No broken bottle cap overall defect, easy handling, does not affect the charge and discharge of the gas fitting installed card. Otherwise, it should be replaced. 10 pneumatic test Pressure test is a test of acetylene bottle bottle of static strength and density, nitrogen pressurized test medium super working pressure. 10.1 test requirements 10.1.1 Following the above inspection of acetylene bottles should be conducted only by the pressure test. 10.1.2 Test before, in addition to the bottle cap and apron, all attachments should be in good condition as required in the assembly of acetylene bottles. 10.1.3 pneumatic test pressure acetylene bottle of 3.5MPa. 10.1.4 medium pressure test requirements, test equipment and methods, safety technical requirements of Appendix D. 10.1.5 dwell time should not be less than 3min, may have leaks during the pressure gauge no back down phenomenon. 10.1.6 after passing the test pressure acetylene bottles should be kept more than 0.05MPa ~ 0.1MPa pressure nitrogen. 10.2 Test results If acetylene bottle bottle leakage or significant deformation was found, then the acetylene bottles should be scrapped. Examination of the work of 11 11.1 inspection mark Periodic inspection of acetylene bottles should be required to bear the inspection stamp logo and color coated test. 11.2 inspection records Fill the bottle by pressing key "Periodic inspection and evaluation of dissolved comprehensive record" and "dissolved acetylene cylinders resume", see table form Appendix E and Appendix F. Computer management of the inspection station can be directly entered into the computer software for unified management. 11.3 Waste treatment bottle 11.3.1 acetylene bottles scrapped by the inspection unit responsible for the destruction. Press the "Gas Cylinder Safety Supervision" requirement, issued by the "acetylene cylinders scrapped through Notices ", see Appendix G, acetylene bottles pay property unit. 11.3.2 scrapped acetylene bottles destruction methods should be used to the disintegration of the bottle, remove the packing, using methods in line with national environmental regulations for processing. 11.4 coating The inspection must be re-coated with acetylene bottles, acetylene bottles surface paint color, typeface, color and word test color should be consistent with the GB 7144 Provisions.

Appendix A

(Informative) Depression, measurement methods pits, gouges and scratches depth values Chord with depression as a benchmark to measure depth and measuring the vernier caliper, ruler, ruler should be placed along the cylinder axis, the ruler should be greater than the length of the recess 3 times the maximum diameter, as shown in Figure A. 1a) in FIG. In vitro depression bottle circumference arc as a benchmark to measure depth and measuring the vernier caliper, curved model, the model should be placed along the circumference of the arc, like Plate arc length should be greater than 2/5 of the circumference of the cylinder, as shown in Figure A. Fig 1b). a) b) Figure A. 1 a schematic diagram of the cavity depth measurement A. 2 dents, gouges, scratches depth measurement method The following two methods can be used in either one. A. 2.1 pits, gouges, scratches to the deepest depth values prevail, measured with special measuring in Figure A. Fig. Pallets profile curvature And the cylinder diameter should match the outline, the dial gauge needle inserted into the defect in measuring the depth, the tip of the wedge angle should not exceed 30 °, radius should Not more than 0.25mm. To regularly check the dial gauge readings to eliminate errors due to wear and tear caused by the tip. A. 2.2 soft plumb full of pits, gouges, scratches being removed soft lead, using a caliper to measure the maximum height of soft lead is the pits, scratches or gouges depth. Note. Depression, dents, gouges periphery, sometimes seen a little projection, the measurement model or a ruler can not completely fit with the base surface (the surface of the bottle), you should consider The resulting measurement error. Figure A. 2 dents, gouges, scratches depth measurement schematic

Appendix B

(Informative) The method of measuring the axial clearance of the shoulder B. 1 from the valve seat hole visually identify the maximum gap between the valve seat and packing parts. B. Fig 2 B. Dedicated feeler shown the portion of the gap. Millimeters A 1.0 1.5 2.0 2.5 3.0 3.5 Note. Dedicated feeler should be made of stainless steel, and blunt the sharp edge down. Figure B. 1 Special feeler

Appendix C

(Informative) Filler radial clearance measurement method C. 1 measurement method As shown in Figure C. 1 FIG. Millimeters 1 --- curved hook; 2 --- needle; 3 --- magnetic scale ruler. Figure C. 1 a schematic view of measuring radial gap filler C. 2 measuring instruments C. 2.1 Magnetic scale ruler 0 ~ 150mm, scale value 0.5mm. C. 2.2 triangular needle. C. 2.3 curved hook. C. 3 measurements After pushing the filler with a curved hook on one side against the wall of the bottle, and then push the reverse bend hook filler, filler needle is moving from the radial clearance value.

Appendix D

(Normative) Pressure test D. 1 test medium D. 1.1 Pressure tests with nitrogen, should be consistent with GB/T 3864 in Class Ⅱ two requirements. D. 1.2 for nitrogen pressure test should be dried, it should meet the following dew point -10 ℃. D. 2 test device D. 2.1 should be available for acetylene bottles centralized pneumatic test bus devices. D. 2.2 at the outlet of the nitrogen bottle pressure reducer should be installed after decompression nitrogen into the dryer, the dryer outlet pipe should be separately installed valve, adjusting Section and discharge valves. D. You must use the 2.3 test apparatus and the same range as the two test pressure (1.5 to 3.0) times the accuracy of not less than 1.6, direct dial Diameter of not less than 100mm gauge. D. 2.4 gauge installation location should be close to the valve, to facilitate the operator to observe its calibration period not exceeding three months. D. Orifice plates should be installed on 2.5 per acetylene cylinder intake manifold, throttle aperture of the throttle plate on the 1mm. D. 2.6 Test sink depth should allow any part of the test acetylene bottles out of the water is not less than 5mm, the water tank should be kept clean and transparent, Lifting gear should be set above the sink. D. 3 test procedures and methods of operation D. Pressure test 3.1 acetylene bottles should be visual inspection of acetylene bottles, stuffed seat and seat inspection, packing check, check after passing the annex. D. 3.2 pressure test before, should be replaced in the bottle set stomatal felt or other fillings. D. 3.3 The test bottle fixed to the converging device and after the test apparatus using a high pressure hose connected, turn on each bottle of acetylene cylinders. Then After nitrogen pressure to 3.5MPa, slowly open the valve while watching the pressure gauge to boost speed 0.05MPa ~ 0.10MPa per minute Elevated to 0.5MPa, after the leak check, then the acetylene bottles and converging device is immersed in a water tank using liquid coating method. D. 3.4 Continue to follow D. 3.3 speed boost, and when the observation was raised to 3.5MPa holding pressure 3min, as everywhere no leakage, pressure gauge No pressure back down, shall be considered qualified. If there is a leak (including test equipment connection), should be eliminated after the leak test is continued until qualified. D. 4 Safety requirements D. 4.1 Test procedure in the event of abnormal noise, pressure drop, or test equipment failure and other irregularities should be stopped immediately Test and investigate the cause. D. 4.2 Elimination of ministries leak during the test must be carried out after relief. D. 4.3 Test boost and relief should be carried out slowly. D. 4.4 Test bottle of acetylene gas mixture inside the tubes and should be exhausted to the outside. D. 4.5 After the test, the test system to deal effectively with nitrogen purge. Book Book Book (Funding No. (Or plant (generation (on Years experience net weight k g crack Scratch Depressed Drum kits burn large area Weld Plug seat Seat Crack collapsing Flame counterattack Loose soft Radial Axial On the head Lower head Barrel Pingfa Fusible plug Bottle caps Token Ring Correction Tare k g Tightness test Evaluation Conclusion Number resume .through ; Newspaper ; To be Book Book Book (Funding (or (or k g Pa Pa k g k g .through ; Newspaper ; To be

Appendix G

(Informative) Acetylene cylinders scrapped notice . Numbering. According to (GB 13076-2009) regulations "Gas Cylinder Safety Supervision" and the national standard, the test, you only acetylene cylinder unit It has been scrapped, and the destructive process has been done, is hereby notified. (Cap Inspection Unit) year month day No. No. bottle scrap reason inspectors review Note. This form in duplicate, archive a test unit, a property unit cylinders.

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