文章列表
文章列表
Protection level: according to the installation location and environmental conditions, choose the corresponding protection level, usually ip22, ip44, etc. insulation performance: it meets the insulation requirements in the ship environment and ensures safety and reliability. resistant to vibration and shock: adapt to the vibration and shock environment when the ship is sailing. corrosion-resistant: it adopts corrosion-resistant materials or surface treatments to adapt to the marine environment. operation and maintenance: reasonable design, easy to operate, maintain and overhaul.
Global positioning system (gps): it provides accurate position, speed and heading information of ships. it is the most basic navigation equipment of modern ships. electronic chart display and information system (ecdis): it integrates and displays electronic charts with gps, radar, ais and other information to provide comprehensive navigation information and can be used for route planning, route monitoring and collision avoidance assistance. radar system: including x-band and s-band radar, it is used to detect other ships, land, navigation marks and other targets. it is the main navigation means when visibility is poor. compass system: including magnetic compass and gyro compass, it provides ship heading information and is the basic pointing equipment for ship navigation. bathysounder: measures the depth of the waters in which the ship is located to prevent grounding. autopilot: automatically controls the steering gear according to the set heading or route to keep the ship sailing according to the predetermined heading and reduce the labor intensity of the crew.
Globe valve: used to cut off or connect the medium in the pipeline. it has good sealing performance but large fluid resistance. it is suitable for steam, water, oil and other media. gate valve: fully open and fully closed valve with low fluid resistance. it is suitable for large-diameter pipelines, but the sealing surface is easy to wear. ball valve: the opening and closing part is a ball, which is easy to operate and has good sealing performance. it is suitable for various media, but the price is high. butterfly valve: simple structure, small size, light weight, suitable for low-pressure and large-diameter pipelines, but relatively poor sealing performance. check valve: prevents the medium from flowing backwards. according to the structure, it can be divided into swing type, lifting type and butterfly type check valves. safety valve: when the system pressure exceeds the set value, it automatically opens the pressure relief to protect the safety of equipment and pipelines. pressure reducing valve: reduces the inlet pressure to a required outlet pressure and keeps the outlet pressure stable. trap: automatically discharges condensate water, preventing steam from escaping and improving thermal efficiency.
Field restoration: journal polishing, bearing bushings refurbished. replacement service: original or certified replacement parts are provided to ensure compatibility. technology upgrade: high-performance materials (such as environmentally friendly water-lubricated bearings) or intelligent monitoring systems (iot sensors) are recommended.
Structural manufacturing: high strength steel welded to ensure corrosion resistance and fatigue resistance. system integration: integrate power system (electric, hydraulic), control system, safety devices (overload protection, limit switch, emergency stop). onboard installation: pedestal welding, system connection, load testing and functional verification at the shipyard.
1. lubricating material 2. cleaning and chemicals 3. wearing parts and spare parts 4. repair tools and materials 5. safety protective equipment
Nylon: good elasticity, used as a mooring line and streamer for impact resistance. polyester: high strength and low elongation, it is the most commonly used mooring line. polypropylene: it can float and is often used as a lead cable or temporary cable. hmpe: super strong, ultra-light for high-end and specialty operations.
Working condition analysis: customized design is made according to the type of ship/platform (such as pipe laying vessel, drilling platform, scientific research vessel), sea conditions of the operation sea area, compensation requirements (heave, pitch) and load (cable, pipeline, anchor chain). solution selection: select active (hydraulic/electric drive, real-time response) or passive (accumulator buffer) to determine the tension range, stroke and response speed. system integration: design interface schemes with ship power systems, central control systems and deck machinery.
Dishwasher, disinfection cabinet, dirt pulverizer, etc. to ensure the cleanliness of tableware and garbage disposal
Electric cooker, electric wok, electric frying pan, steamer, electric oven, etc., the power range is 4.5-9kw, and the voltage specifications cover 110v, 220v, 380v, 440v and other standards.
Circuit breaker: used for circuit on, off, overload and short circuit protection, including frame circuit breaker, molded case circuit breaker and miniature circuit breaker, etc. contactor: it is used to frequently turn on and break the main circuit, and control the start and stop of electrical equipment such as motors. relay: used for the protection and control of control circuits, including time relays, thermal relays, intermediate relays, etc. fuse: it is used for short circuit protection of circuits. when the current exceeds the rated value, it blows and cuts off the circuit. transformers: including current transformers and voltage transformers, which are used for measurement and protection, and convert large current and high voltage into small current and low voltage for measuring instruments and protection devices. instruments: including voltmeter, ammeter, power meter, frequency meter, power factor meter, etc., which are used to monitor the operating parameters of the power system. indicator lights and buttons: for displaying device status and operational controls.
Main switchboard: the control center of the ships power system, including the generator control panel, load panel, parallel panel, etc., to realize the operations of starting, stopping, parallel and disconnecting the generator, as well as the distribution and protection of various electrical equipment. emergency switchboard: when the main power supply loses power, it is powered by emergency generator or emergency battery to ensure the normal operation of important equipment such as emergency lighting, communication and navigation. distribution box: distributes electric energy to various electrical equipment, including power distribution box, lighting distribution box, etc., usually installed near the electrical equipment. charge and discharge board: used for charging and discharging control and status monitoring of battery packs to ensure the reliability of emergency power supply. shore power box: when the ship docks in port, it is connected to the shore power supply through the shore power box to reduce the running time of the ship's generator and reduce fuel consumption and emissions.
Global maritime distress and safety system (gmdss): this is a system mandatory by the international maritime organization, including very high frequency radiotelephone (vhf), medium/high frequency radiotelephone (mf/hf), satellite communication equipment, etc., to ensure that ships can operate in any sea area. distress alarm, search and rescue coordination and safe communication can be carried out. satellite communication: including inmarsat, iridium and other systems, providing voice, data, fax and internet access services to realize real-time communication between ships and shores. automatic identification system (ais): automatically broadcasts and receives ship dynamic, static and voyage-related information, improves mutual identification capabilities between ships and between ships and shores, and reduces collision risks. emergency radio position indicator beacon (epirb): automatically or manually activated in case of distress to send distress signals and ship position information to the search and rescue coordination center via satellite. search and rescue radar transponder (sart): it is activated in distress, and it is displayed on the radar screen after being detected by the search and rescue radar, which is convenient for the location of search and rescue ships or aircraft.
Factory inspection: including strength test, sealing test, action test, etc. to ensure that the valve performance meets the standard. on-board inspection: regularly check the appearance, sealing performance and operational flexibility of valves, and timely replace damaged seals. maintenance: clean and lubricate regularly to keep the valve in good working condition. the correct selection, installation and maintenance of ship valve fittings are very important to ensure the safe operation of ships.
Working pressure: select the nominal pressure level of the valve according to the maximum working pressure of the system. operating temperature: consider the influence of medium temperature on valve materials and sealing performance. medium characteristics: including corrosiveness, viscosity, solid particles, etc. select the corresponding materials and structures. connection method: flange connection, threaded connection, welded connection, etc., which must be matched with the pipeline. operation requirements: select the driving mode according to the operating frequency, opening and closing speed, control mode, etc.
Valve body material: selected according to the medium and working conditions. commonly used materials include cast iron, cast steel, stainless steel, copper alloy, titanium alloy, etc. corrosion-resistant materials such as copper-nickel alloy and duplex stainless steel are mostly used in seawater systems. sealing materials: including metal seals (hard seals) and non-metal seals (soft seals). commonly used materials include rubber, polytetrafluoroethylene, graphite, etc.
Original manufacturer (e.g. wärtsilä, skf, thordon). professional maintenance company: provides emergency support in port or on voyage. dock/shipyard: systematic maintenance is carried out in conjunction with the overhaul cycle.
Regulatory compliance: meet international maritime organization (imo) environmental requirements (such as prohibiting grease contamination of waters). certificates provided: factory report, material certificate, classification society approval document.
Precision machining: high precision boring, heat treatment and surface treatment (such as coating anti-rust). testing standards: comply with classification society specifications (such as ccs, dnv, abs), and conduct fatigue testing, pressure testing and dimensional tolerance verification. lubrication system integration: design oil lubrication or water lubrication channels to ensure cooling and anti-wear effects.
Worldwide spare parts supply: ensure fast availability of genuine or certified compatible spare parts such as seals, sensors, dedicated valve blocks. 24/7 technical support: provides remote diagnostics, technical documentation and operational support.
Precision manufacturing: high-precision processing and assembly of high-strength steel structures and core components (such as hydraulic cylinders, accumulators, sensors, clamping units). factory testing: conduct rigorous factory acceptance testing including no-load/load testing, stress testing, fatigue simulation, and control system logic verification. on-board installation and commissioning: base installation and system connection are carried out at the shipyard, and joint debugging with the whole ship control system to complete sea trial tests to verify the actual performance.
Troubleshooting and repair: quickly respond to on-site or remote technical support to diagnose and repair hydraulic, electrical or mechanical faults. planned overhaul: during ship docking, core modules are dismantled, comprehensively inspected, worn parts replaced, and performance restored. upgrade: update the control system (improve the accuracy and automation level), replace the sensors, and optimize the hydraulic power unit to improve energy efficiency and reliability.
_r__1170-836_c__8d8983_.jpg?x-oss-process=style/small)
Iso 18692: performance standards for synthetic fiber cables ocimf guide: strength and durability requirements for mooring lines solas convention: code for fire protection and strength of lifeboat cables gb/t 43675-2024: standard for marine mooring towing low rebound cables
High strength: withstands great pulling forces. abrasion/uv resistant: adapts to harsh marine environments. easy to operate: easy to coil, splice and use.
Original manufacturer (e.g. macgregor, liebherr, panagiotis). professional marine services: provides global field support, spare parts and repair services. shipyard/dock: major overhauls are carried out in conjunction with ship repair plans.
Fault repair: respond quickly, diagnose and repair electrical, hydraulic or mechanical faults, minimizing downtime. overhaul and renovation: complete dismantling, inspection, repair or replacement of main structures, slewing mechanisms and winches. upgrade: install wave compensation system, remote control/automation system, and update control system to improve safety and efficiency.
Working condition analysis: customize the plan according to the ship type (such as cargo ship, cruise ship, warship), propulsion system (diesel engine, electric propulsion), load, speed and working environment (seawater corrosion, sediment wear). bearing type adaptation: including radial bearings (such as stern tube bearings, countershaft bearings), thrust bearings (to bear propeller axial forces) and special bearings (such as rudder bearings). material selection: white alloy, rubber, composite material (such as polymer) or ceramic coating are commonly used, taking into account the requirements of wear resistance, corrosion resistance and low friction.
Working condition analysis: customized according to ship type (cargo ship, offshore support ship, scientific research ship, etc.), operation tasks (container loading and unloading, supply materials, deep-sea sampling, personnel transfer) and sea conditions (swing compensation requirements). type adaptation: select the appropriate type, such as crane, deck crane, folding jib crane, deep sea a frame, etc. capabilities and specifications: determine safe load, working radius, lifting speed, and meet classification societies (ccs, dnv, abs, etc.) and international specifications (e.g. imo, solas).
No data.No Data.