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1、BRITISH STANDARD BS EN 13109:2002 LPG tanks Disposal The European Standard EN 13109:2002 has the status of a British Standard ICS 23.020.30 ? Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 09:53:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 13109:2002 This British Standard, having been
2、 prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 27 November 2002 BSI 27 November 2002 ISBN 0 580 40855 8 National foreword This British Standard is the official English language
3、 version of EN 13109:2002 The UK participation in its preparation was entrusted to Technical Committee PVE/19, LPG containers and their associated fittings, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-refer
4、ences The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British
5、 Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present t
6、o the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an insid
7、e front cover, the EN title page, pages 2 to 9 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 09:53:18 GMT+00:00 2006, Un
8、controlled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13109 November 2002 ICS 23.020.30 English version LPG tanks - Disposal Rservoirs de GPL - Mise au rebutFlssiggas - Druckbehlter - Entsorgung This European Standard was approved by CEN on 11 November 2001. CEN members are b
9、ound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the
10、 Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as
11、 the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STAND
12、ARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2002 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13109:2002 E Licensed Copy: sheffieldun sheffieldun
13、, na, Sun Oct 29 09:53:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13109:2002 (E) 2 Contents page Foreword3 Introduction.4 1Scope 4 2Terms and definitions4 3Gas freeing .4 4Scrapping of tanks.5 5Disposal of tanks for uses other than for LPG storage.5 Annex A (informative) Methods of gas freeing
14、.6 A.1Preparation for gas freeing.6 A.2Methods of gas freeing6 A.2.1By water6 A.2.2By inert gas.6 A.2.3By steam.6 A.2.4By vacuum pump or compressor.7 Annex B (informative) High level venting of LPG tanks8 Annex C (informative) Adeviations9 Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 09:53
15、:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13109:2002 (E) 3 Foreword This documents (EN 13109:2002) has been prepared by Technical Committee CEN/TC 286 “Liquefied petroleum gas equipment and accessories“, the secretariat of which is held by NSAI. This European Standard shall be given the stat
16、us of a national standard, either by publication of an identical text or by endorsement, at the latest by May 2003, and conflicting national standards shall be withdrawn at the latest by May 2003. Users of this EN, prepared in the field of application of Article 118A of the EC Treaty, should be awar
17、e that standards have no formal legal relationship with Directives, which may have been made under Article 118A of the Treaty. In addition, national legislation in the Member states may contain more stringent requirements than the minimum requirements of a Directive based on Article 118A. Informatio
18、n on the relationship between the national legislation implementing Directives based on Article 118A and this EN may be given in a national foreword of the national standard implementing this EN. Annexes A and B are informative. According to the CEN/CENELEC Internal Regulations, the national standar
19、ds organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Licens
20、ed Copy: sheffieldun sheffieldun, na, Sun Oct 29 09:53:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13109:2002 (E) 4 Introduction This European Standard specifies methods for the safe disposal of LPG tanks. This European Standard calls for the use of substances and procedures that may be injurio
21、us to health if adequate precautions are not taken. It refers only to technical suitability and does not absolve the user from legal obligations relating to health and safety at any stage. It has been assumed in the drafting of this European Standard that execution of its provisions is entrusted to
22、appropriately qualified and experienced people. 1 Scope This European standard specifies methods for the safe disposal of tanks above 150 litre water capacity. 2 Terms and definitions For the purposes of this European Standard, the following terms and definitions apply. 2.1 gas free LPG concentratio
23、n in air less than 20% of the lower flammable limit 2.2 disposal gas freeing and discarding LPG tanks either in the form of scrap metal or for use in non-pressure applications 2.3 competent person person who, by qualification, training, experience and resources , is able to make objective judgements
24、 related to the safe disposal of LPG tanks 3 Gas freeing 3.1Residual liquid LPG shall be safely removed from tanks by competent persons The LPG shall be either: ? returned to an in service LPG tank, or ? flared, or ? vented in a controlled and safe manner (e.g. by high level venting if permitted by
25、local regulations, see annex B), or ? a combination of any of these options. 3.2Tanks shall be made gas-free by a method chosen and controlled by a competent person. NOTEAnnex A gives examples of such methods. 3.3Gas free tanks shall be labelled or have a “gas free” certificate. WARNINGIf tanks are
26、to be entered, a valid safe entry certificate will be required. Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 09:53:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13109:2002 (E) 5 3.4Pressure relief valve assemblies and LPG fill couplings shall be removed. 4 Scrapping of tanks 4.1Tanks sh
27、all be checked to ensure that they are gas free. WARNINGTanks are not safe for cutting or hot work unless they have been physically checked, e.g. by explosimeter and a valid hot work permit is available. 4.2Tanks shall be scrapped by either: ? crushing by mechanical means, or ? cutting each tank int
28、o 2 or more irregularly shaped pieces. 4.3After the above procedure, tanks shall be considered as scrap material. Scrap material shall be passed only to an authorised scrapping agent who is liable for the effective disposal of the material. The scrapping agent shall be given details of any tank coat
29、ings. 4.4Underground tanks shall be filled with inert materials, if left in place. 5 Disposal of tanks for uses other than for LPG storage 5.1The use of tanks for non-pressure applications is not excluded. Adequate precautions shall be taken with respect to the nature and use of the product stored.
30、5.2Tanks shall be checked to ensure that they are gas free. 5.3Nameplates shall be removed or permanently defaced. Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 09:53:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13109:2002 (E) 6 Annex A (informative) Methods of gas freeing A.1 Preparati
31、on for gas freeing In each of the methods described below, tanks should be nominally free of liquid LPG before gas freeing. Once liquid free, tanks should be depressurised e.g. piping LPG vapour from a suitable tank connection to a safely located flare burner, which should be fitted with a permanent
32、 pilot flame. The internal tank pressure should be reduced to a suitable level to enable one of the following methods to be used to gas free the tank. A.2 Methods of gas freeing A.2.1 By water Care should be taken to ensure that the tank and its supports are capable of safely supporting the extra we
33、ight of water. Water is progressively introduced and LPG vapour expelled via suitable tank connections, selected so that as far as possible no vapour space is left in the tank when the procedure is completed, i.e. when the tank is full of water. The vapour shall be piped to a safe location or a flar
34、e. Once the water has been drained, the tank should be certified as being gas free and suitably labelled. WARNINGHydrates may be formed in the tank. Hydrates will release LPG vapour when they melt. A.2.2 By inert gas A suitable inert gas, e.g. nitrogen or carbon dioxide, is used to displace and dilu
35、te the LPG vapour to a gas free level. Care should be taken to avoid: ? over pressurisation of the tank; ? hazards associated with asphyxiant inert gases; ? electrostatic hazards; ? hazards associated with low temperatures e.g. if the inert gas is generated from a liquid phase. When the internal pre
36、ssure reduction as described in A.1 is approached, the inert gas can be introduced via a tank connection. The connections should be chosen considering the relative properties of LPG and the inert gas. The exhaust mixture should be sent to a flare with a pilot burner. When a non-flammable mixture rea
37、ches the flare burner, the inert gas should continue being introduced and vented until a gas free condition is reached. Tank orifices should be plugged. The tank should be certified as being gas free and suitably labelled. A.2.3 By steam The procedure is similar to that described in A.2.2. The use o
38、f steam requires the following additional precautions: Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 09:53:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13109:2002 (E) 7 ? the comparatively high temperatures should be taken into account, as this may cause tank expansion. Care should be e
39、xercised to ensure this expansion does not cause instability of tank supports; ? any oily residues in the tank will be made more volatile. Care should be exercised when confirming that the tank is gas free; ? oily residues should be disposed of properly. A positive pressure should be maintained thro
40、ughout the procedure to avoid air being introduced into the tank leading to the formation of flammable mixtures. Care should be taken to avoid rapid condensation of steam which could cause negative internal pressures. A.2.4 By vacuum pump or compressor It should be established that the tank is rated
41、 for the negative pressure to be generated. Vapour is removed from the tank through a vacuum pump/compressor and discharged through a safely located flare fitted with a permanent pilot flame, or to a safe location. Following evacuation of the LPG vapour the vacuum should be broken and the tank shoul
42、d be certified as being gas free and suitably labelled. Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 09:53:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13109:2002 (E) 8 Annex B (informative) High level venting of LPG tanks B.1High level venting should only be carried out under the supe
43、rvision of a competent person. B.2High level venting should only be carried out in the open air and in a controlled area. B.3The competent person should ensure that there are written procedures covering high level venting to ensure safe working practices. These procedures should include: ? the exten
44、t of the controlled area which is kept free of sources of ignition; ? means of identifying the controlled area; ? weather conditions under which venting may or may not be allowed; ? location of the vent. B.4Venting will normally be from the vapour phase. Where liquid is present precautions should be
45、 taken to guard against freezing of valves and loss of vapour pressure due to product chilling. B.5At least two dry powder fire extinguishers of 6 kg capacity should be present in the immediate area. B.6The vent outlet should not normally be greater than DN 50 and should terminate with a flame arres
46、tor. B.7During venting the gas concentration should be regularly checked down wind at the edge of the controlled area to ensure that it is below 50% of the lower flammable limit. B.8After venting the vent pipes should be purged of LPG vapour. Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 09
47、:53:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 13109:2002 (E) 9 Annex C (informative) Adeviations A-deviation: National deviation due to regulations, the alteration of which is for the time being outside the competence of the CEN/ CENELEC member. This European Standard does not fall under any
48、Directive of the EU. In the relevant CEN/ CENELEC countries these A- deviations are valid instead of the provisions of the European Standard until they have been removed. ClauseDeviation 3.1 2nd bullet point Austria: Flaring and dilution with air is only admissible under specific safety provisions.
49、In Austria limits of emission values are laid down in Federal Law Gazette II No. 344/1997, “Verordnung ber die Begrenzung von Abwasseremissionen aus der Erdlverarbeitung AEV Erdlverarbeitung“. A.2.1In Austria limits of emission values of waste water are laid down in Federal Law Gazette II No. 344/1997, “Verordnung ber die Begrenzung von Abwasseremissionen aus der Erdlverarbeitung AEV Erdlverarbeitung“. Licensed Copy: sheffieldun sheffieldun, na, Sun Oct 29 09:53:18 GMT+00:00 2006, Uncontrolled C
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