1、-y% .“bA MIL-M-52182E 38 W 9997706 0238530 O Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Belvoir Research and Development Center, ATTN: by using the self-addressed Standardization Document I
2、mprovement Proposal (DD Form 1426) appearing at the end of this document or by letter. USA DRDME-DS, Fort Belvoir, VA 22060 MIL-M-52182E 24 January 1984 SUPERSEDING MIL -M- 5 2 18 2D 24 December 1974. MILITARY SPECIFICAT ION MELTER, ASPHALT This specification is approved for use by all Departments a
3、nd Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers an asphalt melter for removing asphalt from 55-gallon drums and heating the asphalt to a temperature of 285“ F at a rate of 750 gallons per hour (gph). 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Spec
4、ifications and standards. Unless otherwise specified (see 6.2), the following specifications and standards of the issue listed in that issue of the Department of Defense Index of Specifications and Standards (DODISSI specified in the solicitation, form a part of this specification to the extent spec
5、ified herein. SPECIFICAT IONS FEDERAL RR- C- 2 71 PPP-P-4 o PPP-B-601 PPP -B-636 MILITARY MIL-C-104 MIL-P -1 16 - Chains and At tachuients, Welded and Weldless. - Packaging and Packing of Hand Tools. - Boxes, Wood, Cleated-Plywood. - Box, Shipping, Fiberboard. - Crates, Wood; Lumber and Plywood Shea
6、thed, - Preservation, Methods of. Nailed and Bolted. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MI L-M- 5 2 18 2E MIL-P-5 14 MIL-T-704 MIL-P-14 10 5 MIL-T-22 085 - Plates, Identification, Instruction and - Treatment and Painting of Materiel. - P
7、aint, Heat Resisting (for Steel Surfaces). - Tape, Adhesive, Preservation and Sealing . Marking, Blank. STANDARD S FEDERAL F ED-S TD -5 9 5 - Colors. MIL ITAY MIL-STD-10 5 MIL-STD-129 MIL-STD-13 O MIL-STD-20 9 MIL-STD-642 MIL-STD-889 MIL-STD-1186 MIL-STD-1188 MIL-STD- 14 7 2 MS39153 - Sampling Proce
8、dures and Tables for - Marking for Shipment and Storage. - Identification Marking of US Military Property. - Slinging and Tiedown Provisions for Lifting and Tying Down Military Equipment. - Identification Marking of Combat and Tactical Transport Vehicles. - Dissimilar Metals. - Cushioning, Anchoring
9、, Bracing, Blocking and - Commercial Packaging of Supplies and - Human Engineering Design Criteria for - Coupling, Quick Disconnect, 3- and 4-Inch, Inspection by Attributes. Waterproofing; with Appropriate Test Methods. E q u i pinen t . Military Systems, Equipment and Facilities. for Construction E
10、quipment. (Copies of specifications, standards, and drawings required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer.) 2.2 Other publications. The following document(s) form a part of this sp
11、ecification to the extent specified herein. The issues of the documents which ake indicated as DoD adopted shall be the issue listed in the current DoDISS and the supplement thereto, if applicable. AMERICAN NATIONAL STANDARDS INSTITUTE, INC. (ANSI) B31.1 - Code for Pressure Piping. (Application for
12、copies should be addressed to the American National Standards Institute, Inc., 1430 Broadway, New York, NY 10018.) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-I-52182E 38 m 7797706 0218512 4 m MIL-M-52182E AMERICAN SOCIETY FOR TESTING AND M
13、ATERIALS (ASIPI) A36 - Structural Steel. A53 A135 - Electric-Resistance-Welded Steel Pipe. A659 - Steel, Carbon (0.16 Maximum to 0.25 Maximum, Percent), Hot Rolled C553 - Mineral Fiber Blanket and Felt Insulation (Industrial Type). - Welded and Seamless Steel Pipe. Sheet and Strip, Commercial Qualit
14、y. (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) AMERICAN WELDING SOCIETY, INC. (AWS) D1.l - Structural Welding Code, Section 2, Design of Welded Connections. (Application for copies should be addressed to th
15、e American Welding Society, Inc., 2501 N.W. Seventh Street, Miami, FL 33125.) SOCIETY OF AUTOMOTIVE ENGINEERS SAE Handbook. (Application for copies should be addressed to the Society of Automotive Engineers, 400 Commonwealth Drive, Warrendale, PA 15086.) (Industry association specifications and stan
16、dards are generally available for reference from libraries. They are also distributed among technical groups and using Federal agencies.) 2.3 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein, the text of this specification shall t
17、ake precedence. 3. REQUIREMENTS 3.1 Description. The asphalt melter shall consist of a melting and storage tank, a dedrumming tunnel, and all pipe coils, valves, and fittings required to circulate hot oil from an outside source to dedrum and heat grade 85 to 100 penetration asphalt cement at a rate
18、of 750 gph to a temperature of 285“ F. melter shall operate either individually, in pairs, or in trios, in parallel from a single source of hot oil. closed shall be weathertight when tested as specified in 4.5.2.4. The The melter ready for operation with the doors 3.2 First article. Unless otherwise
19、 specified (see 6.2) the contractor shall furnish two asphalt melters for examination and testing within the time frame - specified (see 6.2) to prove prior to starting production that his production methods and choice of design detail will produce melters that comply with the requirements of this s
20、pecification. Examination and tests shall be as specified 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I _- MIL-M-52L82E 38 7977906 02L85L3 b m MIL-M-52182E in section 4; and, unless otherwise specified herein, all examinations and tests shall b
21、e conducted by the contractor subject to surveillance and approval by the Government (see 6.3). When specified (see 6.21, the Government will conduct any or all of the first article examination and tests, as specified (see 6.2). 3.3 Production melters. All melters furnished under this specification
22、shall be physically and mechanically identical to the first article melters approved by the Government (see 6.3). 3.4 Material. Material shall be as specified herein. Material not specified shall be selected by the contractor and shall be subject to all provisions of this specification (see 6.6). 3.
23、4.1 Material deterioration and control. The melter shall be fabricated from compatible materials, inherently corrosion and deterioration resistant or treated to provide protection against the various forms of corrosion and deterioration that may be encountered in any of the applicable operation and
24、storage environments to which the item may be exposed. 3.4.2 Dissimilar metals. Dissimilar metals shall not be used in intimate contact with each other unless protected against galvanic corrosion. metals and methods of protection are defined and detailed in MIL-STD-889. Dissimilar 3.4.3 Identificati
25、on of materials and f inishes. The contractor shall ident- ify the specific material, material finish or treatment for use with components and sub-components, and shall make information available upon request to the contracting officer or his designated representative. 3.4.4 Structural steel. Struct
26、ural steel shall conform to ASTM A36. 3.4.5 Sheet steel. Sheet steel shall conform to ASTM A659, UNSG10150, G10200 or G10230, condition and finish to suit the application. specified herein shall be United States Standard Gage. All sheet steel gages 3.4.6 Insulation. Insulation shall be f ibrous glas
27、s conforming to ASTM C553, type I, class B-4, except the fiber diameter shall not exceed 0.00038 inch. Pipe shall conform to ASTM A53 (API 5LA), type S, grade A or B as applicable, ASTM A53 (API 5LA), type E, grade A or B as applicable, or ASTM A135, grade A or B as applicable. 3.4.7 Pipe. 3.4.8 Ret
28、aining chain. Retaining chain shall conform to RK-C-271, type II, class 6, 16-112 links per foot. 3.4.9 Gaskets and seals. Gaskets or seals, when used, shall be oilproof and rated for operation at 600“ F. 3.4.10 Quick-disconnect couplings. Quick-disconnect couplings specified herein shall conform to
29、 MS39153. 4 L Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-52L82E 38 7779706 02L85LLt B U MIL-M-52182E 3.4.11 Pipe fittings and valves. All valves, caps, couplings, crosses, elbows, reducers, bends, tees, flanges and nipples shall be of stee
30、l for 150 psi, 4SO“ F service or malleable iron for 300-psi, 450“ F service in accordance with ANSI B31.1. rising stem. ended arrows and the functions served by the valve. Valves used in hot-oil piping shall be of the gate type with Each valve shall be labeled to show on-off positions with double 3.
31、4.12 Unions. All unions shall be fabricated from forged steel and shall have stainless steel seats. 3.5 Melting and storage tank. The melting and storage tank shall consist of a No. 10 gage minimum sheet steel inner shell, a 2-inch thickness of fibrous glass insulation, and an outer protective sheat
32、h made of No. 14 gage minimum sheet steel. shell. mechanical means so as to provide weathertight continuity at all seams. inner shell shall be leakproof. Frame members shall be of structural steeL and shalL support a surmounted dedrumming tunnel loaded with twelve 55-gallon drums full of asphalt. th
33、e tunnel to permit entry of the asphalt to the tank from the drums. of the interior of the tank shall be 6 feet +3 inches, and the volume shall be not less than 400 cubic feet. welded joints shall be provided at the bottom of the tank to heat the ashphalt to the temperature specified herein. Each la
34、yer shall consist of rows of pipe running the full length of the tank and spaced equally across the full width o the tank. access to the bottom of the melting and storage tank for cleaning. companion flanges shall be used at the removable connections. A 2-inch drain, with chain-secured plug, shall b
35、e provided in the bottom of the tank. shall be located at the drum discharge end of the melting and storage tank and shall provide complete drainage of the tank when the melter is on a level surface. provided at the drum entrance end of the melting and storage tank. discharge end of the asphalt suct
36、ion pipe shall be provided with the faucet end of a quick-disconnect coupling. evidence of leakage or damage when filled to capacity with water or during dedrumming and melting operations as specified in 4.5.2.2 and 4.5.2.3, Continuous welds shall be used to join the seams on the inner The seams on
37、the outer sheath shall be joined by continuous welding or The The tank shall have an open top in the area directly underlying The width Not less thantwo layers of 2-inch pipe with The two layers of 2-inch pipe shall be removable so as to provide Unions or The drain A 3-inch, asphalt suction pipe wit
38、h a threaded gate valve shall be The The melting and storage tank shall show no 3.6 Dedrumming tunnel. The dedrumming tunnel shall consist of a No. 10 gage minimum sheet steel inner shell, a 2-inch thickness of fibrous glass insulation, and an outer protective sheath made of No. 14 gage minimum shee
39、t steel. Contin- uous welds shall be used to join the seams on the inner shell. The seams on the outer sheath shall be joined by continuous welding or mechanical means so as to provide weathertight continuity at all seams. bottom and shall be mounted directly over the open section of the melting and
40、 storage tank to permit discharge of the asphalt from the drums Co the tank. tunnel shall be constructed so as to provide weathertight continuity at the junction between the mounted tunnel and the melting and storage tank. members shall be of structural steel and shall support the internal piping an
41、d twelve 55-gallon drums of asphalt. The tunnel shall have an open The Frame The tunnel shall be equipped with two 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-52182E 38 9977406 0218515 T MIL-M-52182E insulated hinged doors on each end to
42、permit entry and discharge of the drums to and from the drumheating compartments. provided with latches, and shall be weathertight. Loaded 55-gallon asphalt drums shall slide freely from the loading platform through the entry doors into the dedrumming tunnel. doors into the discharge chute. welded j
43、oints shall be provided for the tunnel. One layer of pipe shall be placed in the middle to separate the two adjacent drum-heating compartments. The other layers shall be placed one on each wall. A horizontal layer of 2-inch, schedule 80 pipe with welded joints shall be provided along the bottom of e
44、ach drum-heating compartment and shall be spaced so as to support the asphalt drums in the center and on each side of each drum-heating compartment. The tunnel shall be constructed to permit its removal from the melting and storage tank and placing the tunnel in the tank to reduce the total shipping
45、 volume to within 110 percent of shipping volume of the melting and storage tank. being placed in the melting and storage tank and shall be securely anchored when placed in the tank to prevent any damage to the melter during shipment. Doors shall be hinged, shall be The empty drums shall slide freel
46、y through the discharge Three vertical layers of 2-inch pipe with The tunnel shall be provided with rub strips to prevent damage while 3.6.1 Drum hoist. When specified (see 6.21, a manually operated chain hoist shall be provided to place a loaded 55-gallon drum on the loading platform. The hoist loa
47、d sheaves shall be accurately machined to prevent binding and to permit easy operation. The hoist shall hold its load indefinitely at any point without help from the operator. The hoist lifting capacity shall be not less than 500 pounds with a chain pull no greater than 75 pounds. 3.6.2 Loading plat
48、form. A loading platform for supporting loaded asphalt drums shall be provided. end of the asphalt melter and shall support one drum in front of each entrance door, This platform shall extend across the drum entrance The loading platform shall be provided with an expanded metal surface. 3.6.3 Discha
49、rge chute. The asphalt melter shall be provided with a discharge chute for guiding empty drums from the dedrumming tunnel to the ground away from the asphalt melter. 3.7 Hot-oil piping. The hot-oil supply line and return line shall extend to an external location at the drum entrance end of the asphalt melter for hookup to additional hot-oil piping (see 3.10. 11, and shall be provided with valves and caps or plugs with retaining chains. With the exception of connections that are necess
