UL SUBJECT 2215-2000 Outline of Investigation for Oil Water Separators (Issue 2)《油 水分离器的调查大纲 发布编号 2》.pdf

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1、June 23,2000 1 SUBJECT 221 5 OUTLINE OF INVESTIGATION FOR OIUWATER SEPARATORS Issue Number 2 JUNE 23,2000 COPYRIGHT O 2000 UNDERWRITERS LABORATORIES INC. STD.UL SUBJECT 2215-ENGL 2000 = 9275795 Ob1121115 Yb7 2 SUBJECT 2215 JUNE 23,2000 No Text on This Page JUNE 23. 2000 SUBJECT 2215 3 CONTENTS FOREW

2、ORD 6 INTRODUCTION I Scope . 7 2 Glossary . 8 3 Components 9 4 Units of Measurement . 9 5 Undated References 9 CONSTRUCTION 6 General . 10 7 Base Tanks . 1 0 8 Liquid Level Devices . 11 9 Overpressure Devices 11 1 O Heating Systems . 12 11 Pumps 12 12 Polymeric Materials . 12 PERFORMANCE 13 General

3、13 14 Physical Properties Tests for Polymeric Materials . 13 15 Corrosion Resistance Test . 14 16 Permeation Test 14 17 Impact Test 14 18 Separator Test . 15 18.1 General . 15 18.2 Test apparatus . 15 18.3 Test fluids . 18 18.4 Effluent collection 18 18.5 Testing methods . 18 18.6 Effluent analysis

4、20 19 Normal Operation Test 20 20 Abnormal Operation Test 20 21 Reliability Test 21 MARK1 NG S 22 General 21 INSTRUCTIONS 23 General 22 APPENDIX A Standards for Components AI STD.UL SUBJECT 22LS-ENGL 2000 9275795 0642417 73T B JUNE 23,2000 4 SUBJECT 2215 APPENDIX 6 Field Extraction and Analysis Meth

5、od for Oil, Grease and Petroleum Hydrocarbons in Water BI Introduction Bl 62 Test Procedure Bl 83 Calculation . .B2 STDmUL SUBJECT 2215-ENGL 2000 9275795 Obi2438 b7b = 5 SUBJECT 2215 JUNE 23,2000 No Text on This Page STD-UL SUBJECT 2215-ENGL 2000 9275795 0842417 502 I JUNE 23,2000 SUBJECT 2215 6 FOR

6、EWORD A. This Outline of Investigation contains basic requirements for products covered by Underwriters Laboratories Inc. (UL) under its Follow-Up Service for this category within the limitations given below and in the Scope section of this Outline of Investigation. They are subject to revision as f

7、urther experience and investigation may show is necessary or desirable. B. The observance of these requirements by a manufacturer is one of the conditions of the continued coverage of the manufacturers product. C. A product which complies with the text of this Outline of Investigation will not neces

8、sarily be judged to comply with the Outline of Investigation if, when examined and tested, it is found to have other features which impair the level of safety contemplated by these requirements. D. A product employing materials or having forms of construction which conflict with specific requirement

9、s of the Outline of investigation cannot be judged to comply with the Outline of Investigation. A product employing materials or having forms of construction not addressed by this Outline of Investigation may be examined and tested according to the intent of the requirements and, if found to meet th

10、e intent of this Outline of Investigation, may be judged to comply with the Outline of Investigation. E. UL, in performing its functions in accordance with its objectives, does not assume or undertake to discharge any responsibility of the manufacturer or any other party. The opinions and findings o

11、f UL represent its professional judgement given with due consideration to the necessary limitations of practical operation and state of the art at the time the Outline of Investigation is processed. UL shall not be responsible to anyone for the use of or reliance upon this Outline of Investigation b

12、y anyone. UL shall not incur any obligation or liability for damages, including consequential damages, arising out of or in connection with the use, interpretation of, or reliance upon this Outline of Investigation, F. Many tests required by the Outline of Investigations of UL are inherently hazardo

13、us and adequate safeguards for personnel and property shall be employed in conducting such tests. STD.UL SUBJECT JUNE 23,2000 SUBJECT 2215 r INTRODUCTION 1 Scope 1.1 These requirements cover stationary gravity or pump fed aboveground and underground, atmospheric type oillwater separator systems inte

14、nded to remove oil, having a specific gravity of 0.83 - 0.94 at 15C (59“F), suspended in water from rainwater runoff or normal washdown of streets, highways, and parking lots at an inlet rate not exceeding the marked maximum influent concentration and flow rate. 1.2 These requirements cover gravity

15、or pump fed oilhvater separator systems having capacities of 60 to 50,000 gallons (227 - 189,270 L) total. 1.3 OiVwater separators are intended for installation and use in accordance with the Flammable and Combustible Liquids Code, NFPA 30; the Automotive and Marine Service Station Code, NFPA 30A; a

16、nd the Standard for the Installation of Oil-Burning Equipment, NFPA 31, or other National or State codes for OilNVater Separation equipment installation and use. 1.4 Oillwater separator systems covered by these requirements are fabricated, inspected, and tested for leakage before shipment from the f

17、actory as completely assembled units, or with instructions for field assembly of minor components. 1.5 These requirements do not cover oil that has been physically emulsified (other than by a feed pump), chemically emulsified or dissolved. 1.6 These requirements do not cover liquid level devices, ov

18、erpressure devices, heaters, pumps, monitors, shutoff valves, or other individual mechanical or electrical components which are not an integral part of, or are recommended for use with, the oil/water separator system. The requirements for these devices are covered under separate standards as referen

19、ced in Appendix A. 1.7 These requirements do not cover oiUwater separator systems intended for collection or washdown of large concentrated spills from tankers or other bulk carriers. 1.8 These requirements do not cover oillwater separator systems intended to be installed in mobile vehicles or vesse

20、ls. 1.9 These requirements do not cover oillwater separator systems for installation in hazardous chemical locations, or for use with hazardous chemicals. 1.10 These requirements do not cover oillwater separator systems for use with oil outside the range of O - 35C (32 - 95F). 1 .I 1 These requireme

21、nts do not cover oil/water separator systems for marine use, or washdown with salt water, as covered under the Standard for Oily Water Separating Equipment and Oil Content Meters - UL 1504. 1.12 These requirements do not cover the ability of the oilhater separator systems to perform or operate with

22、debris or suspended solids in the oil/water mixture. 1.13 The term “separatoi“ as used in this Outline refers to the complete oil/water separating systems, or any part thereof covered by this Outline unless specifically noted otherwise. , .- , . . , . ! . : . ,. STD-UL SUBJECT 2215-ENGL 2000 m 92757

23、95 Oq2Li21 LbO m a SUBJECT 2215 JUNE 23,2000 I .I4 A product that contains features, characteristics, components, materials, or systems new or different from those covered by the requirements in this Outline of Investigation, and that involves a risk of fire, electrical shock, or injury to persons s

24、hall be evaluated using the appropriate additional component and end-product requirements as determined necessary to maintain the acceptable level of safety as originally anticipated by the intent of this Outline of Investigation. A product whose features, characteristics, components, materials, or

25、systems conflict with specific requirements or provisions of this Outline of Investigation cannot be judged to comply with this Outline of Investigation. Where considered appropriate, revision of requirements shall be proposed and adopted in conformance with the methods employed for development, rev

26、ision, and implementation of this Outline of Investigation. 2 Glossary 2.1 For the purposes of this Outline, the following definitions apply. 2.2 ATMOSPHERIC TANK - A storage tank intended for stationary installation and having a liquid capacity of 60 or more gallons (227 L) constructed to operate a

27、t pressures not exceeding 0.5 psig (3.5 kPa) measured at the top of the tank. 2.3 BLADDER - A non-metallic bag installed inside the primary tank intended for fluid containment or corrosion protection. 2.4 COALESCER - Any mechanical device, chemical process, or absorption matrix which separates oil f

28、rom water. 2.5 COATING - A non-metallic material intended for corrosion protection that is applied directly to and adheres to the exterior surface of the base tank. 2.6 EFFLUENT - A mixture of oil and water leaving the separator. 2.7 HEAVY DISTILLATE OIL - Oil with a specific gravity of 0.91 f0.03 a

29、t 15C (59F). 2.8 INFLUENT WATER - A mixture of oil and water entering the separator. 2.9 LIGHT DISTILLATE OIL - Oil with a specific gravity of 0.86 f0.03 at 15C (59F). 2.10 LINER - A coating intended for fluid containment or corrosion protection that is applied directly to and adheres to the interio

30、r surface of the primary tank. 2.1 1 LIQUID LEVEL DEVICE - An instrument designed to indicate the height of a liquid, such as oil or water, within the separator and may be of the signaling or indicating type. 2.12 MONITORING DEVICE - A mechanical or electrical device which automatically indicates th

31、e presence of liquid in the interstitial space of a secondary tank. 2.13 PPM - Parts of oil per million parts of water by weight. 2.14 PRIMARY CONTAINMENT TANK - A single wall atmospheric tank. 2.15 RELIEF DEVICE - A mechanical or electrical device which automatically reduces the risk of overpressur

32、e of the separator caused by any blockage of the system. 2.16 SECONDARY CONTAINMENT TANK - A double wall atmospheric tank having an inner and an outer 360 degree wall with an interstitial space between the walls with a means for monitoring for leaks. JUNE 23,2000 SUBJECT 2215 9 2.17 SEPARATOR - A co

33、mplete system consisting of a base tank (atmospheric tank) with or without internal coaiescer, controls, or other devices, designed to remove oil from an oil-water mixture. 2.18 STEADY CONDITIONS - When a condition of constant pressure, flow rate, or both, is achieved within the separator. 3 Compone

34、nts 3.1 Except as indicated in 3.2, a component of a product covered by this Outline of Investigation shall comply with the requirements for that component. See Appendix A for a list of standards covering components generally used in the products covered by this Outline of Investigation. 3.2 A compo

35、nent need not comply with a specific requirement that: a) Involves a feature or characteristic not needed in the application of the component in the product covered by this Outline of Investigation, or b) Is superseded by a requirement in this Outline of Investigation. 3.3 A component shall be used

36、in accordance with its rating established for the intended conditions of use. 3.4 Specific components are incomplete in construction features or restricted in performance capabilities. Such components are intended for use only under limited conditions, such as certain temperatures not exceeding spec

37、ified limits, and shall be used only under those specific conditions. 4 Units of Measurement 4.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate information. 5 Undated References 5.1 Any undated reference to a code or standard appearing in

38、the requirements of this Outline shall be interpreted as referring to the latest edition of that code or standard. STD.UL SUBJECT 2215-ENGL 2000 7275775 0842423 T33 10 SUBJECT 2215 JUNE 23,2000 CONSTRUCTION 6 General 6.1 Unless otherwise indicated, all electrical assemblies or components of the sepa

39、rator shall comply with the applicable construction requirements in Sections 6 - 25 of the Standard for Motor-Operated Appliances, UL 73. 6.2 An electrical component, whether provided by or recommended for use by the manufacturer, shall not be located inside the oil storage portion of the primary ta

40、nk, unless it is suitable for use in hazardous locations. 6.3 Unless otherwise indicated, all mechanical assemblies or components of the separator shall comply with the applicable Protection Against Personal Injury requirements in Sections 26 - 36 of the Standard for Motor-Operated Appliances, UL 73

41、. 6.4 Other than as indicated in 6.5, a product shall be factory built as a complete assembly and shall include all the essential components necessary for its intended function. 6.5 If the product is not assembled by the manufacturer as a complete unit, it shall be arranged in subassemblies where it

42、 shall be capable of being incorporated into a final assembly without alteration, such as cutting, drilling, threading, welding, or similar operations by the installer or user. Two or more subassemblies that must have a definite relationship to each other for the intended installation or operation o

43、f the product, shall: a) Be arranged and constructed to be incorporated into the complete assembly without need for filtration or alignment, or b) Be assembled, tested, and shipped from the factory as one element. 6.6 Tin-lead solder shall not be used for the fastening of seams or the assembly of pa

44、rts. 6.7 All materials or combinations of materials shall be compatible with each other with respect to dielectric corrosion or chemical decay and the intended fluids (internal or external). See Polymeric Materials, Section 12. 6.8 A separator shall have provisions for access to the coalescer or oth

45、er areas for cleanout of solid debris and a means for removal of the separated oil. 6.9 All controls which perform a safety function shall comply with the Normal Operation Test, Section 19, and either the Abnormal Operation Test, Section 20, or the Reliability Test, Section 21. 6.10 A gasket shall b

46、e suitable for the intended fluids and comply with the Standard for Gaskets and Seals, UL 157. 7 Base Tanks 7.1 A base tank of a separator shall comply with one of the following: a) The Standard for Steel Aboveground Tanks for Flammable and Combustible Liquids, UL 142, b) The Standard for Steel Unde

47、rground Tanks for Flammable and Combustible Liquids, UL 58, STD=UL SUBJECT 2215-ENGL 2000 = 9275775 Ll8q242i 97T 9 JUNE 23,2000 SUBJECT 2215 11 c) The Standard for Glass-Fiber-Reinforced Plastic Underground Storage Tanks for Petroleum Products, Alcohols, and Alcohol-Gasoline Mixtures, UL 131 6, d) P

48、arts I, II, or 111, of the Standard for External Corrosion Protection Systems for Steel Underground Storage Tanks, UL 1746, or e) Other design types or materials (such as reinforced concrete) may be acceptable based on individual evaluation with respect to structural integrity and leakage over the e

49、xpected product life. Exception: Square manways, pipes, hatches, or other functional components intended to permit access to replaceable items or for inspection of the tank interior shall be permitted to be on the head or shell provided it is above the normal liquid level and is leak tight. 7.2 A primary tank shall be provided with internal corrosion protection as follows: a) Carbon steel with a liner. See Polymeric Materials, Section 12, b) Carbon steel with a bladder. See Polymeric Materials, Section 12, c) Stainless steel, ci) A tank which complies with the Standard for Glass-