MHT6121-2020 English PDFUS$449.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. MHT6121-2020: (Aviation Fuel Operation System Emission Operation Vehicle) Status: Valid
Basic dataStandard ID: MH/T 6121-2020 (MH/T6121-2020)Description (Translated English): (Aviation Fuel Operation System Emission Operation Vehicle) Sector / Industry: Civil Aviation Industry Standard (Recommended) Classification of Chinese Standard: V57 Word Count Estimation: 18,139 Date of Issue: 2020-07-20 Date of Implementation: 2020-10-01 Issuing agency(ies): Civil Aviation Administration of China MHT6121-2020: (Aviation Fuel Operation System Emission Operation Vehicle)---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.Discharge vehicle for aviation fuel supply system ICS 49.100 Civil Aviation Industry Standard of the People's Republic of China Aviation Fuel Operation System Emission Operation Vehicle 2020-07 -20 released 2020-10-01 Implementation Issued by Civil Aviation Administration of China Table of contents1 Scope...1 2 Normative references...1 3 Terms and definitions...1 4 Technical requirements...3 5 Test method...7 6 Inspection Rules...12 7 Marking and Operating Instructions...15 8 Packaging, transportation and storage...15ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the Airport Department of the Civil Aviation Administration of China. This standard is under the jurisdiction of the China Academy of Civil Aviation Science and Technology. Drafting organizations of this standard. China National Aviation Fuel Group Co., Ltd., China National Aviation Fuel Group Logistics Co., Ltd., Shanghai Chengfei Aviation Special Design Equipment Co., Ltd. The main drafters of this standard. Wang Lei, Du Chao, Guan Dasheng, Xue Xiaobo, Zhang Xuyang, Jiang Xufeng, Yun Xiangrong Aviation Fuel Supply System Emission Work Vehicle1 ScopeThis standard specifies the terms and definitions, technical requirements, test methods, inspection rules, markings, Instructions for use, packaging, transportation and storage. This standard is applicable to the design, manufacture and use of fuel emission operation vehicles for aviation fuel supply systems (hereinafter referred to as emission operation vehicles).2 Normative referencesThe following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB 1495 Limits and measurement methods of noise outside the vehicle during acceleration GB 1589-2016 Cars, trailers and car-train outline dimensions, axle loads and mass limits GB/T 3766 General rules and safety requirements for hydraulic transmission systems and their components GB/T 5574 Industrial Rubber Sheet GB 7258 Safety technical conditions for motor vehicle operation GB/T 7935 General technical conditions for hydraulic components GB/T 9969 General Rules for the Use of Industrial Products GB/T 12536 Automobile sliding test method GB/T 12543 Automobile acceleration performance test method GB/T 12544 Maximum speed test method for automobiles GB/T 12547 Lowest stable vehicle speed test method GB/T 12673 Measuring method for main dimensions of automobiles GB/T 12674 Determination method of automobile quality (weight) parameters GB/T 12678 Automobile Reliability Driving Test Method GB/T 13306 signs GB 18564.1 Tank vehicles for road transportation of liquid dangerous goods Part 1.Technical requirements for metal atmospheric tanks GB 20891 Limits and measurement methods of exhaust pollutants from diesel engines for non-road mobile machinery (China's third and fourth stages) GJB 150.3A Military equipment laboratory environmental test method Part 3.High temperature test GJB 150.4A Military equipment laboratory environmental test method Part 4.Low temperature test HG/T 3089 O-type rubber sealing ring material for fuel JB/T 4734 Aluminum welding vessel JB/T 4735.1 Steel welded atmospheric pressure vessel JB/T 5943 General technical conditions for welding parts of construction machinery JT/T 230 Car static conductive rubber tow belt QC/T 484 Automotive paint coating QC/T 625 coating and chemical treatment layer for automobile3 Terms and definitionsMH The following terms and definitions apply to this document. 3.1 Discharge vehicle for aviation fuel supply system Equipped with fuel tanks, fuel pumps, high and low point emission recovery devices and other components, it can provide high point exhaust and low point for the aviation fuel supply system Special equipment for drainage and impurities, mobile pumping stations and other functions. 3.2 Filter screen ball valve It is equipped with an observation window and a ball valve that can quickly disassemble the filter screen. 3.3 Self-closing camlock couplings It is a self-closing device that is installed at the end of the high and low point discharge system and can be connected to the high point exhaust and low point drain joint valves of the pipe network. 3.4 High and low point discharge system for the pipe network Equipped with self-closing quick connectors, hoses, filter ball valves, flow meters, closed-circuit samplers and other components, which can recover high-point drains in the oil pipeline network System of oil and gas discharged from low points, moisture and impurities discharged from low points. 3.5 Rated condition of pump fuel system Under the specified test conditions, the operating conditions of the pumping system. 3.6 Tank gross capacity The sum of the rated capacity of the oil tank, remaining oil volume, and expansion capacity. 3.7 Tank rated capacity The amount of oil in the tank that can be pumped by the oil pump system required by the design. 3.8 Remaining oil The amount of oil in the tank that cannot be pumped by the pump oil system. 3.9 Expansive capacity In addition to the rated capacity and remaining fuel, the extra space capacity for the expansion of the fuel in the tank.4 Technical requirements4.1 General requirements 4.1.1 Outsourcing parts and outsourcing parts should comply with the relevant standards and have the manufacturer's certificate. 4.1.2 The welding quality should meet the requirements of JB/T 5943. 4.1.3 The paint quality should meet the requirements of QC/T 484. 4.1.4 The coating and chemical treatment layer should meet the requirements of QC/T 625. 4.1.5 Finished products and parts should not have material defects, processing defects and assembly defects that affect reliability, function, appearance, and safety. 4.1.6 The rubber products in contact with fuel should have oil resistance and should meet the requirements of GB/T 5574 and HG/T 3089. 4.1.7 There should be no oil leakage, air leakage, or water leakage in the discharge vehicle. 4.1.8 Pipes, gas pipes and wires should be installed neatly and firmly fixed. 4.1.9 The emission operation vehicle should have its own operation data collection and transmission function. 4.2 Safety requirements 4.2.1 The discharge vehicle should be equipped with two dry powder fire extinguishers of not less than 8 kg, and they should be easy to take and place. 4.2.2 The bottom of the discharge truck should be equipped with static conductive floor mopping tape, and the static conductive floor mopping tape should meet the requirements of JT/T 230. 4.2.3 At least one static conductive grounding device should be installed at the place where the vehicle is easy to operate. The length of the static conductive cable should not be less than 15 m, the cable end Alligator clip on the end. 4.2.4 The resistance between any two points of the metal pipeline, any point to the end of the grounding wire, and any point of the oil tank to the end of the mopping tape The value should not be greater than 5 Ω. The resistance value at both ends of the hose assembly should not be greater than 1 MΩ. 4.2.5 The discharge operation vehicle shall be equipped with self-closing quick connector and power take-off interlocking device. When the self-closing quick connector is not reset or the power take-off is hooked When the emission operation vehicle cannot move, the yellow indicator light is on. After resetting, the interlock is released and the indicator light goes out. At the same time, it shall have the overrunning interlock function. It can be equipped with a red indicator light. 4.3 Maneuverability 4.3.1 The external dimensions of the emission operation vehicle meet the requirements of Table 1 in GB 1589-2016. 4.3.2 The approach angle and departure angle of the discharge vehicle should not be less than 5°, and the longitudinal passing angle should not be less than 3°. 4.3.3 The minimum ground clearance of the discharge vehicle should not be less than 127 mm. 4.3.4 The discharge vehicle should be able to pass through the passage circle, and the diameter of the passage circle should not be greater than 25 m. 4.3.5 The emission vehicle should have a speed limit function and comply with airport driving regulations. 4.3.6 The braking performance of the exhaust vehicle should meet the requirements of GB 7258. 4.3.7 The minimum stable speed, acceleration performance, and sliding performance of the emission operation vehicle shall meet the design requirements. 4.3.8 In the rated loading state, the axle load of the exhaust vehicle should not be greater than the maximum design axle load of the axle. Tire carrying capacity should be The axle load of the industrial vehicle should match, the steering axle axle load should not be less than 20% of the total mass; the drive axle axle load should not be less than 25% of the total mass. 4.3.9 The emission vehicle should be equipped with at least the lamps listed in Table 1. 4.4 Environmental requirements 4.4.1 The exhaust pollutant emission limit of the emission operation vehicle should meet the requirements of GB 20891. 4.4.2 When the emission vehicle is operating under rated conditions, the noise value at the main operating surface should not exceed 90 dB (A), and the surrounding noise should not exceed 85 dB(A). 4.4.3 The noise limit outside the accelerated driving vehicle of the emission operation vehicle shall meet the regulations of GB 1495. 4.5 Stability When the discharge vehicle is unloaded and the anti-tipping moment is 1.2 times the tipping moment, it should be able to withstand a wind speed of not less than 75 km/h. Wind speed Calculate according to formula (1) and formula (2). 4.6 Chassis 4.6.1 The emission operation vehicle should be modified with a finalized commercial vehicle chassis, and the chassis should meet the requirements of the phased emission standards. 4.6.2 The engine, exhaust pipe and battery should be equipped with protective devices to prevent fuel from dripping on them. 4.6.3 The outlet of the muffler of the engine exhaust system of the emission operation vehicle shall be equipped with a fire cap or a fire muffler. The exhaust pipe is close to the pipeline Isolation device should be installed at the place. The outlet of the exhaust pipe should be far away from the operating surface, oil tank and pump oil system. If it cannot be far away, a safety device should be installed. 4.6.4 The engine fuel supply line should not be damaged by impact and friction. 4.6.5 The air cylinder for service brake shall not be used as the air source for special equipment. 4.6.6 The performance of the power take-off should meet the operating requirements of special equipment. 4.6.7 The engagement and disengagement of the power take-off should be easy to manipulate. The power take-off control device should not interfere with other devices, affecting the driver's entry and exit Cab and operation. 4.7 Oil tank 4.7.1 The design and manufacture of oil tanks should meet the requirements of GB 18564.1. 4.7.2 The material of the oil tank should be anti-corrosion and anti-rust, or be treated with anti-corrosion and anti-rust. 4.7.3 The cross-sectional shape of the oil tank should be round trapezoid or round rectangle, with the bottom longitudinally inclined continuously to the sedimentation tank with a gradient of not less than 5%. precipitation The lowest part of the tank should be equipped with a sewage pipe and a self-resetting valve. 4.7.4 The horizontal anti-wave baffle shall be installed inside the oil tank in accordance with the requirements of GB 18564.1. 4.7.5 When working on the top of an oil tank whose height above the ground is greater than 2 m, a climbing work ladder should be set up, and a non-slip walkway for safe work should be set on the top And protective devices. 4.7.6 The outer surface of the oil tank should be smooth, free of scratches, and no obvious unevenness; the welds should be uniform and tidy; the surface straightness should conform to GB 18564.1 Requirements. 4.7.7 The welding of oil tanks shall comply with the requirements of JB/T 4734 or JB/T 4735.1, in which 10% of the circumferential welds and longitudinal welds shall be 15% of X-ray inspection results should meet the requirements of class III welds. 4.7.8 If the oil tank is kept under a static pressure of 36 kPa for 30 minutes, there should be no leakage or permanent deformation. 4.7.9 The rated capacity of the oil tank shall comply with the design specification. The remaining oil volume should not be less than 1% of the rated capacity. Expansion capacity should not be less than the amount 3% of the fixed capacity. 4.7.10 A manhole with a diameter of not less than 500 mm shall be provided on the top of the oil tank. The manhole cover should be provided with an observation port cover and a breathing valve, and the breathing valve should have It has flame retardant and dumping and overflow prevention functions, and the ventilation volume should meet the requirements of the maximum flow rate of oil loading and oil discharge. 4.7.11 A level gauge shall be provided, and the indication error of the level gauge shall not exceed 5%. 4.7.12 The oil tank should be equipped with a high level control device with self-checking function, and the safety capacity should be marked. 4.7.13 When the oil tank is installed, the offset between the longitudinal center plane of the oil tank and the longitudinal center plane of the vehicle chassis shall not exceed 6 mm. 4.8 Electrical system 4.8.1 The battery should be equipped with a main power switch. 4.8.2 The special equipment circuit should be powered from the chassis and be equipped with a fuse, and a special connection port should be set; a two-wire system should be adopted, and the grounding point should be set Inside the junction box; the exposed wires should be installed or covered with oil-resistant, flame-retardant and anti-aging protective tubes. 4.8.3 The circuit contacts should be firm and well insulated. 4.8.4 The emission vehicle should be installed in a prominent position with a C-type low-intensity aviation obstruction light that complies with MH/T 6012. 4.8.5 Lighting lamps should be installed on the operation surface to ensure normal operation and monitoring at night. 4.8.6 The emission vehicle should be equipped with a reversing image system. 4.9 Hydraulic system 4.9.1 The hydraulic system should meet the requirements of GB/T 7935 and GB/T 3766. 4.9.2 A hydraulic system pressure gauge shall be installed at the outlet of the hydraulic pump of the hydraulic system. Set up warning signs. 4.9.4 The hydraulic system should be equipped with exhaust devices. 4.9.5 The hydraulic oil tank should be equipped with a level gauge, clearly indicating the maximum and minimum level lines, and equipped with a filter device. 4.10 High and low point discharge system of pipe network 4.10.1 The high and low point discharge system of the pipe network should be able to discharge high points and low points to discharge water and impurities. 4.10.2 Two discharge inspection pipelines should be set up, one way passes through the filter ball valve and returns to the oil tank after being measured by the flow meter; the other way is taken through a closed circuit. The sampler enters the oil collecting tank, and the installation position of the closed-circuit sampler should be convenient for operators to use. 4.10.3 The pipes or accessories shall be made of stainless steel, aluminum alloy, and the inner surface layer shall be protected by hot-tinning or sprayed. Made of carbon steel with compatible epoxy resin. 4.10.4 The high and low point discharge system should work normally under the rated working pressure of the pipe network, and should not be under the condition of 1.25 times the rated working pressure of the pipe network. Damage, malfunction and leakage occurred. 4.10.5 A discharge port shall be provided at the lowest point of the pipeline. 4.10.6 There should be an oil collecting tank that is easy to clean. The oil collecting tank has a liquid level display function and has an oil drain with a self-resetting valve at the bottom. Oil collecting tank The medium fuel oil should be able to be pumped back into the tank. 4.10.7 The mesh number of the filter screen of the filter ball valve should not be less than 40 meshes, which can be quickly disassembled and assembled to facilitate the inspection of oil impurities on the filter screen. 4.10.8 The flowmeter should be suitable for aviation fuel, with single measurement and cumulative measurement functions. 4.10.9 The hose reel shall be able to neatly wind up the length of hose used. The hose can be retracted freely, can stay in the required position at will, the hose is pulled There should be a protective device at the outlet. A hose reel brake device should be installed to prevent the reel from rotating when the vehicle is running. 4.10.10 The hose should be an electrostatic conductive hose that meets the requirements of GB/T 10543 or ISO 1825, and the pressure level meets the design requirements. 4.10.11 A self-closing quick connector should be installed at the end of the hose. 4.11 Pump oil system 4.11.1 The oil pump system should have the following main functions. a) It can be used as a mobile pump station for fuel delivery operations; b) The external fuel can be pumped into the tank of the vehicle, and the refueling operation can be completed quickly when the refueling vehicle, fuel equipment, etc. are repaired; c) The fuel in the tank can be pumped out. 4.11.2 Piping or accessories shall meet the requirements of 4.10.3. 4.11.3 The pump oil system should work normally under the condition of the rated working pressure of the pump, and should not be damaged or damaged under the condition of 1.25 times the rated working pressure of the pump. Failure and leakage. 4.11.4 A discharge port shall be provided at the lowest point of the pipeline. 4.11.5 A filter device of no less than 40 mesh should be installed on the pump inlet pipeline to facilitate disassembly. 4.11.6 The hose should be an electrostatic conductive hose that meets the requirements of GB/T 10543 or ISO 1825, and the pressure level meets the design requirements. If adopted The reel should meet the requirements of 4.10.9. 4.11.7 The performance parameters of the pump should meet the design requirements. 4.12 Control devices and instruments 4.12.1 The various functions of the emission vehicle should be individually controlled. 4.12.2 Each control device should be safe and reliable, and flexible in operation. 4.12.3 There should be a remote engine throttle to adjust the engine speed. 4.12.4 The dashboard should be set up on the operating surface where it is easy to observe. The instrument calibration connector and operation process signs should be installed on the dashboard. 4.13 Maintainability The disassembly and assembly of parts and components of the emission operation vehicle should be simple, and it should have good accessibility during inspection and maintenance. 4.14 Environmental adaptability In the rated loading state, the exhaust truck should be able to work normally under the ambient temperature of -40 ℃ ~ 60 ℃. 4.15 Reli......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of MHT6121-2020_English be delivered?Answer: Upon your order, we will start to translate MHT6121-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of MHT6121-2020_English with my colleagues?Answer: Yes. 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