1、MIL-B-24535A 44 = 7779706 02111510 2 W 1-as-23 IINCH-POUNDI MIL-B-24535A(SH) 22 March 1989 SUPERSEDING 6 April 1976 (See 6.11) MIL-B-24535(SH) MILITARY SPECIFICATION BURNER, CARBON MONOXIDE AND HYDROGEN, CATALYTIC TYPE (MARK V) This specification is approved for use by the Naval Sea Systems Command,
2、 Department of the Navy, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers the design and construction of a Mark V burner for removing carbon monoxide and hydrogen from submarine atmo- spheres. 2. APPLICABLE DOCUMENTS
3、 2.1 Government documents. 2.1.1 Specifications and standards. The following specifications and standards form a part of this document to the extent specified herein. otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications
4、 and Standards (DoDISS) and supplement thereto, cited in the solicitation (see 6;2). Unless SPECIFICATIONS FEDERAL HH-P-31 - Packing and Lagging Material, Fibrous Glass Metallic QQ-S-763 - Steel Bars, Wire Shapes, and Forgings, Corrosion PPP-C-320 - Fiberboard; Corrugated and Solid, Sheet Stock and
5、Plain Cloth and Tape. Resisting. (Container Grade), and Cut Shapes. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval Sea Systems Command, SEA 5523, Department of the Navy, Washin
6、gton, DC 20362-5101 by using the self-addressed Standardization Document Improvement Proposal (DD,Form 1426) appearing at the end of this,document or by letter, / THIS DOCUMENT CONTAINS -29 PAGES. AMSC N/A FSC 4460 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Lic
7、ensed by Information Handling ServicesMILITARY MIL-S-902 MIL- E-917 MIL-G-1149 MIL-S-1222 MIL-E-2036 MIL-C-2212 MIL-M-1793 I MIL-A-8625 MIL-P-15024 MIL-P-15024/5 MIL-1-16412 MIL-F-16552 MIL-M- 17060 MIL-E-17555 MIL-L-19140 MIL-L-20213 MIL-C-21665 MIL-H-22577 MIL-H-46855 STANDARDS MILITARY MIL-STD-16
8、7-1 MIL-STD-278 MIL-STD-681 MIL-STD-740-1 MIL-STD-740-2 MIL-E-2Y535A Y4 W 9934906 021115LL Y = MIL-B- 24535A( SH) - Shock Tests, H.I. (High-Impact); Shipboard Machinery, Equipment and Systems, Requirements for, - Electric Power Equipment, Basic Requirements (Naval Shipboard Use). - Gasket Materials,
9、 Synthetic Rubber, 50 and 65 Durometer Hardness. - Studs, Bolts, Hex Cap Screws, Socket Head Cap Screws and Nuts. - Enclosures for Electric and Electronic Equipment, Naval Shipboard. - Controllers, Electric Motor, A.C. or D.C. and Associated Switching Devices. - Meter, Time Totalizing. - Anodic Coat
10、ings, or Aluminum and Aluminum Alloys. - Plates, Tags and Bands for Identification of - Plates, Identification. - Insulation Felt, Thermal, Glass Fiber. - Filters, Air Environmental Control System, Cleanable, Impingement (High Velocity Type). - Motors, 60-Hertz, Alternating Current, Integral Horsepo
11、wer, Shipboard Use. - Electronic and Electrical Equipment, Accessories and Provisioned Items (Repair Parts): Packaging of. Equipment. - Lumber and Plywood, Fire-Retardant Treated. - Lithium Hydroxide (LiOH), Technical. - Catalyst, Carbon Monoxide and Hydrocarbon xydizing (For Use in an Air Purifying
12、 Device Aboard Submarines). and Tubular Type, Systems, Equipment and Facilities. - Heating Elements, Electrical: Cartridge, Strip - Human Engineering Requirements for Military - Mechanical Vibrations of Shipboard Equipment (Type I - Environmental and Type II - Internally Excited). - Welding and Cast
13、ing Standard. - Identification Coding and Application of Hookup and Lead Wire. - Airborne Sound Measurements and Acceptance Criteria of Shipboard Equipment. - Structureborne Vibratory Acceleration Measurements and Acceptance Criteria of Shipboard Equipment. 2 6 Licensed by Information Handling Servi
14、cesMIL-B-24535A 44 = 777770b 0214512 b a P a a MILITARY (Continued) MIL-STD-769 - Thermal Insulation Requirements for Machinery and MIL-STD-1399, - Interface Standard far Shipboard Systems Electric MIL-STD-1472 - Human Engineering Design Criteria for Military Piping. Section 300 Power, Alternating C
15、urrent. (Metric) Systems, Equipment and Facilities. (Unless otherwise indicated, copies of federal and military specifications and standards are available from the Naval Publications and Forms Center, (ATTN: NPODS), 5801 Tabor Avenue, Philadelphia, PA 19120-5099.) 2.1.2 Other Government drawing. The
16、 following other Government drawing forms a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. DRAWINGS NAVAL SEA SYSTEMS COMMAND (NAVSEA) NAVSEA 5000-S1112-1385778 - Mounts, Resilient, EES Type. (Application for copies s
17、hould be addressed to the Naval Publications and Forms Center, (ATTN: NPODS), 5801 Tabor Avenue, Philadelphia, PA 19120-5099.) 2.2 Non-Government txblications. The following document forms a part of this document to the extent specified herein. Unless otherwise specified, ehe issues of the documents
18、 which are DoD adopted are those listed in the issue of the DoDISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DoDISS are the issues of the documents cited in the solicitation (see 6.2). AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) B 333 - St
19、andard Specification for Nickel-Molybdenum Alloy Plate, B 335 - Standard Specification for Nickel-Molybdenum Alloy Rod. B 424 - Standard Specification for Ni-Fe-Cr-Mo-Cu Alloy (UNS Sheet and Strip. NO8825 and UNS N08821) Plate, Sheet, and Strip. (Application for copies should be addressed to the Ame
20、rican Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) (Non-government standards and other publications are normally available from These documents also the organizations that prepare or distribute the documents. may be available in or through libraries or other informat
21、ional services.) 2.3 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtai
22、ned. 3. REQUIREMENTS 3.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection (see 6.5) in accordance with 4.3. 3- Licensed by Information Handling ServicesMIL-B-2453CA 4L1 9999906 021145113 B 50 P/m 100 p/m 3.2 Description. The burner shall extract carbon
23、 monoxide and hydrogen from ambient air in a submarine. Burner efficiency shall be not less than that shown in table I. The air shall flow from the space through an inlet filter, a blower, inlet (first) pass of a heat exchanger, a heater, catalyst bed, outlet (second) pass o the heat exchanger, an a
24、ftercooler, an afterfilter and then to the space. An automatic temperature control system shall be incorporated to monitor the air temperature at the catalyst bed and maintain a temperature control sensitivity of 600 f 10 degrees Fahrenheit (OF). The temperature of the air at the face of the catalys
25、t bed shall not vary from 600 f 25F when measured in accordance with 4.7.8.2. Temperature indicators shall be provided to monitor air temperatures in the catalyst bed (650*F) and afterfilter chamber (160F). The burners control system shall operate automatically to maintain the 600 f 10*F catalyst be
26、d temperature, Control of the temperature in the afterfilter chamber shall be maintained by a high temperature shutdown switch. shall be provided at the low point of the burner. provided that will support the burner during hoisting operations when fully loaded, A drain plug Lifting pad eyes shall be
27、 85 90 TABLE I. Efficiency for the burning of carbon monoxide and hydrogen. Hydrogen and carbon monoxide Gas burned 1.80 percent 100 p/m Efficiency concentration Hydrogen 0.50 percent 1.00 percent 1.50 percent 1.80 percent 85 90 90 90 Carbon monoxide 90 90 3.3 Qperation. After the burner has been fi
28、lled, started, and control settings have been established, the burner shall operate over a 24-hour period with an average requirement of 5 minutes maximum per hour for routine operational checks exclusive of maintenance requirements. 3.4 Ambient conditions. temperature range of 40 to 122*F, and a pr
29、essure of 30 inches of mercury (Hg) absolute, with variations of plus or minus 6 inches of Hg. The burner shall operate at a ships ambient 3.5 Capacitv. With the filters (air and lithium carbonate) and catalyst installed, the burner shall provide a minimum air flow of 650 cubic feet per afterfilter
30、chamber, minute (Et 3 /min) with 3 inches water gauge excess pressure at the entrance to the 3,6 Services, The burner shall operate at rated capacity with the services specified in 3.6.1 and 3.6.2. 4 Licensed by Information Handling ServicesMIL-B-24535A 44 m 9999906 02Lq5LY T W MIL-B-24535A(SH) 3.6.
31、1 Cooling water. Cooling water shall be used for indirect cooling. The burner shall operate with water at 95“F, at a maximum gauge pressure of 100 pounds per square inch (ib/in2), and with maximum and minimum flow rates of 25 and 5 gallons per minute (gai/min), respectively. The maximum allowable pr
32、essure drop between the inlet and outlet water connections shall be 10 lb/in . 2 3.6.2 Power. Power to be supplied shall be 440-volt, 3-phase, 60 hertz The burner power requirements shall be not greater than 50 kilowatts (kW) (Hz). during warmup and 35 kW during operation under normal conditions. 3.
33、7 ArranPement. 3.7.1 Maintenance and operation, The arrangement shall be based on engineering and human engineering design factors to facilitate systematic operation and maintenance (see 6.3 and appendix B). maintenance shall be easily accessible so that it can be removed and replaced without interf
34、erence. Access to the burner for maintenance and operation shall be limited to the front and both sides of the burner, maintenance and operation shall be limited to 30 inches from the leading edges of the bottom mounting bracket and 12 inches on each side of the burner. of the burner shall not be us
35、ed for accessibility, Equipment requiring periodic Space required for The rear 3.7.2 Components. Components shall be arranged so that flow is downward through the catalyst bed, second pass of the heat exchanger, aftercooler, and afterfilter. front of the burner. possible. The control panel and instr
36、ument panel shall be mounted on the The air intake and discharge shall be located as high as 3.7.3 Adjustable controls. Adjustable controls on the front of the panel shall be accessible to the operator without having to stoop or bend over. facilitate shipboard installation, the upper and lower mount
37、s shall have not less than 6 inches clearance maintained around each mount. To 3.8 Interchangeability. Similar equipment and parts installed in burners furnished on the same contract or order, or manufactured to the same drawings, shall be interchangeable without the necessity of further machining o
38、r hand fitting of any kind. Where the contractor has previously furnished similar burners, parts installed in previous burners shall be interchangeable with the parts furnished on the contract or order, This requirement is not intended to restrict improvements in design, operation, and maintenance.
39、Changes will be subject to NAVSEA review. or reversible unless such parts are also interchangeable or reversible with regard to function, performance and strength. In no case shall parts be physically interchangeable 3.9 Weight. mounting. and overall dimensions. 3.9.1 Center of gravitv. The loaded a
40、nd empty weights, main mount locations and orientation, and the width, depth, and height dimensions shall be as shown on figure 1. 8 inches and as close as possible to a point in the center of a plane passing through and bounded by the four main mounts. gravity is subject to NAVSEA review. The cente
41、r of gravity of the burner shall be not more than The final location of the center of Licensed by Information Handling ServicesflIL-B-Z453CA 4Ll 9999906 02L45L5 1i U Octave band Sound pressure Octave band (Hz 1 level (dB) (Hz) 37.5-75 90 600 - 1200 75 -150 85 1200 - 2400 150 -300 80 2400 - 4800 300
42、-600 80 4800 - 9600 Sound pressure level (dB) 75 75 75 75 3.10.2 Structureborne noise, The structureborne noise output of the burner shall not exceed the limits shown on figure 2. obtain structureborne noise data shall remain on the equipment as delivered to the Government. Accelerometer blocks used
43、 to 3.11 Vibration. The burner shall operate under conditions specified for type 1 environmental vibration as specified in MIL-STD-167-1 for frequencies up to and including 33 Hz, 3.12 Shock, MIL-S-901 for grade A, class II equipment. installation on Navy type resilient mounts with a snubber arrange
44、ment as required, satisfactory to the Command or agency concerned. The burner shall withstand the shock requirements specified in The burner shall be constructed for 3.13 Inclinatioq. The burner shall meet the specified requirements when mounted in an upright condition and when subject to the variou
45、s conditions of trim, list, pitch, and roll as follows: Submerged Snowkei Suwace Trim (permanent) Pitch amplitude Period of complete Cycle List Roll amplitude Period of complete Cycle - +30 degrees - +7-1/2 degrees 120 seconds 15 degrees +30 degrees pitch: roll: 14 seconds +7 degrees +7 degrees I 71
46、0 degrees 210 degrees 6 seconds 6 seconds I5 degrees 15 degrees - +30 degrees i60 degrees below 30 degrees above 10 knots 10 knots 14 seconds 12 seconds Equipment and machinery shall continue to operate and not be damaged due to trim angles up to 45 degrees for short periods of time (up to 5 minutes
47、), under casualty conditions. permitted under this condition. Minor oil leaks or similar abnormal conditions will be 6 Licensed by Information Handling ServicesMIL-B-24535A 44 7779906 021451b 3 3.13.1 Conditions. The conditions resulting from the following combina- tions shall be met: (a) List and t
48、rim. (b) List and pitch. (c) (e) Roll and pitch. Roll and trim (surface only). Degrees shall be measured from vertical to either side for list and roll, and from the normal horizontal (fore and aft) plane up down or trim and pitch. The period shall be the time for one complete cycle, for example, th
49、e time for the ship to pitch or roll starting from one extreme to the other and return, Condi- tions of permanent list and roll, or trim and pitch, shall not be considered additive. 3.14 Insulation and gaskets. Hot external surfaces shall be insulated and lagged in accordance with MIL-STD-769 and MIL-1-16411 to reduce the insulation surface temperature to less than 150F. aftercooler access plate. seals. Neoprene gaskets in accordance with MIL-G-1149, class 1, may be used in all other areas. A full face gasket, conforming to HH-P-31 shall be used for the cataly
