MHT6122-2020 English PDFUS$499.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. MHT6122-2020: (Aviation Fuel Operation System Cleaning Operation Vehicle) Status: Valid
Basic dataStandard ID: MH/T 6122-2020 (MH/T6122-2020)Description (Translated English): (Aviation Fuel Operation System Cleaning Operation Vehicle) Sector / Industry: Civil Aviation Industry Standard (Recommended) Classification of Chinese Standard: V57 Word Count Estimation: 20,24 Date of Issue: 2020-07-20 Date of Implementation: 2020-10-01 Issuing agency(ies): Civil Aviation Administration of China MHT6122-2020: (Aviation Fuel Operation System Cleaning 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.Cleaning vehicle for aviation fuel supply system ICS 49.100 V 57 Civil Aviation Industry Standard of the People's Republic of China Aviation Fuel Operation System Cleaning 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...2 4 Technical requirements...2 5 Test method...7 6 Inspection Rules...13 7 Marking and Operating Instructions...16 8 Packaging, transportation and storage...16ForewordThis 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. Du Chao, Wang Lei, Zhang Xuyang, Xue Xiaobo, Guan Dasheng, Liu Zhunian, Huang Tingting Aviation fuel supply system cleaning operation vehicle1 ScopeThis standard specifies the terms and definitions, technical requirements, test methods, inspection rules, markings, Instructions for use, packaging, transportation and storage. This standard applies to the design, manufacture and use of cleaning vehicles for aviation fuel supply systems (hereinafter referred to as cleaning 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 26410 explosion-proof fan 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 GA 494 Fall Protection Equipment for Fire Fighting 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 JB/T 9091 Micro and small cleaning machine 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 definitionsThe following terms and definitions apply to this document. 3.1 Cleaning vehicle for aviation fuel supply system Equipped with components such as recovery tank, water supply tank, cleaning system, recovery system and safety operation protection device, it can supply aviation fuel for the airport The system provides special equipment for cleaning operations and safe operations in confined spaces.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, air or water leakage in the cleaning operation vehicle. 4.1.8 Pipes, gas pipes and wires should be installed neatly and firmly fixed. 4.1.9 The recovery tank and the water supply tank should be completely isolated, and the recovery tank should be larger than the water supply tank. 4.1.10 The cleaning truck should have its own operational data collection and transmission functions. 4.2 Safety requirements 4.2.1 The cleaning truck should be equipped with at least one dry powder fire extinguisher of no less than 8 kg, and it should be easy to take and place. 4.2.2 The bottom of the cleaning truck should be equipped with static conductive floor mopping tape, which should meet the requirements of JT/T 230. 4.2.3 The resistance value between any two points of the metal pipeline of the recovery system and from any point of the sewage tank to the end of the mopping tape should not be greater than 5 Ω. The resistance value at both ends of the recovery hose assembly should not be greater than 1 MΩ. 4.2.4 The cleaning operation vehicle should be equipped with a power take-off interlocking device. When the power take-off is hooked, the cleaning truck should not be able to move, and the yellow indicator light is on; When the power take-off is separated, the interlock is released and the indicator light goes out. At the same time, it should have an overriding interlock function and a red indicator light. 4.3 Maneuverability 4.3.1 The overall dimensions of the cleaning truck meet the requirements of Table 1 in GB 1589-2016. 4.3.2 The approach angle and departure angle of the cleaning truck 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 cleaning truck should not be less than 127 mm. 4.3.4 The cleaning truck should be able to pass through the passage circle, and the outer diameter of the passage circle should not be greater than 25 m. 4.3.5 The cleaning truck should have a speed limit function and comply with airport driving regulations. 4.3.6 The braking performance of the cleaning truck should meet the relevant regulations of GB 7258. 4.3.7 The minimum stable speed, acceleration performance, and sliding performance of the cleaning vehicle shall meet the design requirements. 4.3.8 In the rated loading state, the axle load of the cleaning truck 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 load should not be less than 20% of the total mass; the drive axle load should not be less than 25% of the total mass. 4.3.9 The cleaning truck 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 cleaning operation vehicle should meet the requirements of GB 20891. 4.4.2 When the cleaning truck 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 accelerating vehicle of the cleaning operation vehicle shall meet the requirements of GB 1495. 4.5 Stability When the cleaning 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 cleaning vehicle should be modified with a finalized commercial vehicle chassis, and the chassis should meet 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 cleaning operation vehicle should 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. 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 Tank 4.7.1 Recovery tank 4.7.1.1 The normal pressure recovery tank or the vacuum recovery tank can be selected according to the requirements of the operation function. 4.7.1.2 The material of the recovery tank should be anti-corrosion and anti-rust, or be treated with anti-corrosion and anti-rust. 4.7.1.3 The bottom of the recovery tank should be provided with a discharge port. The bottom of the recovery tank should be inclined at least 2° with respect to the discharge port. Move the drain valve. 4.7.1.4 A manhole should be provided on the top of the recovery tank. The diameter of the manhole should not be less than 500 mm, and it should be directly opposite to the drain valve, otherwise another manhole should be provided. The operation hole is blocked to facilitate maintenance and cleaning of the staff. 4.7.1.5 There should be a vent hole on the top of the atmospheric recovery tank. 4.7.1.6 When it is necessary to work on the top of the recovery tank whose height above the ground is greater than 2 m, a climbing work ladder shall be set up, and a non-slip for safe work shall be set on the top Walkways and guards. 4.7.1.7 The recovery tank should be equipped with a level gauge, and the indication error of the level gauge should not exceed 5%. 4.7.1.8 The inside of the atmospheric recovery tank shall be provided with a transverse anti-wave baffle in accordance with the requirements of GB 18564.1. 4.7.1.9 The outer surface of the recovery tank should be smooth, without scratches, and no obvious unevenness; the welds should be uniform and tidy; the surface straightness should conform to GB 18564.1 Requirements. 4.7.1.10 The welding of the recovery tank shall meet the requirements of JB/T 4734 or JB/T 4735.1, in which the circumferential weld shall be 10%, the longitudinal weld 15% X-ray inspection shall be carried out, and the results shall meet the requirements of class III welds. 4.7.1.11 Atmospheric recovery tank is kept under 36 kPa static pressure for 30 minutes, and there should be no leakage and permanent deformation. The vacuum recovery tank should be able to Withstand at least 1.25 times the rated working pressure, and there should be no leakage and permanent deformation. 4.7.1.12 The rated capacity of the recovery tank should meet the requirements of the design task book, and the expansion capacity of the atmospheric recovery tank should meet the requirements of GB 18564.1. set. 4.7.1.13 The installation of the recovery tank shall satisfy the load balance when the vehicle is fully loaded. 4.7.1.14 The recovery tank should be equipped with a high liquid level control device, and the safety capacity should be marked. 4.7.2 Water supply tank 4.7.2.1 The water supply tank shall meet the requirements of 4.7.1.2, 4.7.1.5～4.7.1.10, 4.7.1.12, 4.7.1.13. 4.7.2.2 The bottom of the water supply tank should be provided with a discharge port. The bottom of the water supply tank should be inclined at least 1° with respect to the discharge port. Move the drain valve. 4.7.2.3 The top of the water supply tank shall be provided with a water filling port with an inner diameter of at least 80 mm, and the water filling port shall be sealed. 4.7.2.4 The water supply tank should be provided with a sealable inspection hole to facilitate inspection and cleaning by the staff. 4.7.2.5 The water supply tank shall be kept under a static pressure of 36 kPa for 30 minutes without leakage and permanent deformation. 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 cleaning operation vehicle should be equipped with a C-type low-intensity aviation obstruction light complying with MH/T 6012 in an obvious position. 4.8.5 Lighting lamps should be installed on the operation surface to ensure normal operation and monitoring at night. 4.8.6 The cleaning 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 pressure gauge should 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 Cleaning system 4.10.1 The cleaning system should have the function of high-pressure discharge of the clean water in the water supply tank through the cleaning machine, hose and water gun for cleaning operations. 4.10.2 The pipe material should be anti-corrosion and anti-rust, or be treated with anti-corrosion and anti-rust. 4.10.3 The rated working pressure of the cleaning system should not be less than 5 MPa, and it should be able to work normally under the rated working pressure. There should be no damage, failure and leakage under operating pressure. 4.10.4 The cleaning system should be equipped with a device for adding cleaning agent. 4.10.5 A filter with a mesh size of not less than 40 mesh should be installed on the water inlet pipe of the cleaning system for easy disassembly and assembly. 4.10.6 A discharge port shall be provided at the lowest point of the pipeline. 4.10.7 A cleaning water gun shall be installed at the end, and the length of the barrel shall meet the operating requirements. 4.10.8 The cleaning machine should meet the requirements of JB/T 9091, and the performance parameters should meet the design requirements. 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. 4.11 Recovery system 4.11.1 The recovery system shall have the following main functions. a) It can pump external sewage and dirty oil into the recovery tank of the vehicle; b) The sewage and dirty oil in the recovery tank can be discharged; c) One or more methods of centrifugal pumps, diaphragm pumps, submersible pumps, vacuum pumps etc. can be used for recovery operations. Pump performance parameters Meet the design requirements. 4.11.2 The pipe material should meet the requirements of 4.10.2. 4.11.3 It should be able to work normally under the conditions of the rated working pressure of the recovery system, and under the condition of 1.25 times the rated working pressure of the recovery system There should be no damage, malfunction or leakage. 4.11.4 A discharge port shall be provided at the lowest point of the pipeline. 4.11.5 The hose reel shall meet the requirements of 4.10.9.The hose should be an electrostatic conductive hose that meets the requirements of GB/T 10543 or ISO 1825. The pressure level meets the design requirements. 4.11.6 The centrifugal pump recovery system shall meet the following requirements. a) Install centrifugal pump inlet pressure gauge and outlet pressure gauge; b) Can use the clean water in the water supply tank to irrigate the pump; c) A filter that meets the requirements of the pump is installed on the inlet pipeline, which is convenient for disassembly and assembly; d) A recovery gun is installed at the end of the recovery hose, and the length of the barrel meets the requirements of the operation. 4.11.7 The recovery system of the diaphragm pump shall meet the following requirements. a) A filter that meets the requirements of the pump is installed on the inlet pipeline, which is convenient for disassembly and assembly; b) A recovery gun is installed at the end of the recovery hose, and the length of the barrel meets the operating requirements. 4.11.8 The submersible pump recovery system shall meet the following requirements. The length of the hose meets the requirements of the operation. 4.11.9 The vacuum pump recovery system shall meet the following requirements. a) A vacuum gauge showing the negative pressure in the tank is set between the vacuum pump and the recovery tank, and the accuracy level is not less than 2.5; b) The recovery tank is equipped with a device that can effectively prevent sewage from entering the vacuum pump. 4.12 Purge system 4.12.1 The purge system should be able to meet the purge operation after equipment cleaning. 4.12.2 A special air supply system shall be set up, including air pump, air storage cylinder, purge gun, etc., and the parameters shall meet the design requirements. 4.12.3 The hose reel shall meet the requirements of 4.10.9. 4.13 Downhole safety operation protection device 4.13.1 The cleaning operation vehicle should have the following functions of protection devices for underground safety operations. a) The gas in the valve well can be pumped out through a device composed of an axial fan, air duct, etc.; b) There is an emergency lifting device for underground operators. In an emergency, the underground operators can quickly lift the underground operators to the ground. surface. 4.13.2 The emergency lifting device shall meet the operation requirements of various specifications of valve wells, be easy to operate, and meet the requirements of GA 494. 4.13.3 The performance parameters of the axial flow fan shall meet the design requirements, and the fan body shall meet the requirements of GB 26410. 4.13.4 The length of the exhaust pipe of the axial flow fan should meet......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of MHT6122-2020_English be delivered?Answer: Upon your order, we will start to translate MHT6122-2020_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 MHT6122-2020_English with my colleagues?Answer: Yes. 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