New-Type Intelligent Large-Scale Grab Dredger，Dredger
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Item specifice
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As a kind of working ship, the grapple dredge is mounted on the intelligent grab dredger. The intelligent grab dredger has following dual function, such as dredging operation and lifting the material by hook. The intelligent grab dredger is mainly used in channel dredging, harbor construction, salvage and rescue and other underwater operation. Also, it can be used in handling the material among the ships and bridge construction installing engineering of cross beam over water. By dint of changing the length of the steel cable, it can satisfy the requirement of various digging depth. The max digging depth can reach 70 meter. The intelligent grab dredger can be equipped with crampon and gravel heavy punch. Also the intelligent grab dredger can be considered as crane ship or boat rock cutter for preprocessed, which is thought as multipurpose working ship.
Characteristic
High performance cost ratio
The intelligent grab dredger breaks the monopoly and technical patent barriers of large dredging equipment market, which is monopolized by janpanese SKK, AI and other companies for a long period. The developed new type intelligent dredging equipment that adopts diesel engine-AC variable frequency drive can effectively reduce the purchasing cost and maintaining and using cost for latter period with domestic manufactured parts and auxiliary equipment.
The ship body of the dredger is imported and it is manufactured by domestic manufacturer. And, the dredge is manufactured by foreign countries. The body of the ship needs to be transported foreign country. Then, the dredge can be mounted on the body of the ship. Finally, it can be dragged into domestic to use. The overall new type intelligent dredger is manufactured in domestic, which can quite reduce the cost of the transportation and installation.
Intelligent control
The core of the intelligent grab dredger adopts Siemens S7-300PLC. The ProfiBus-DP system and frequency converter adopts communication junction, which can realize the protection of controlling and fault detect. By means of the predesign and intelligent control model, it can realize the fix dig deep, flat dredging by automatic controlling underwater. The accuracy of the flat dredging is 625px, which is more accurate than imported production(accuracy of flat dredging is 1250px).
Performance parameter
Ø Rated tension force of drum：70t
Ø Length of lazy arm：30m
Ø Working radius：15~23.5m
Ø Operation angle of lazy arm：71°~51°
Ø Applied grab：18m³×45t（dead weight）
Ø Hoisting speed of grab：0~60m/min
Ø Applied area：sheltered waters
Ø Steel cable grab：44ZAB-6×36WS+IWR-1770
Ø Rotating speed：1.2r/min
Ø Time of amplitude of variable of lazy arm：60s
Ø Steel cable of amplitude of variable of lazy arm：34-ZAB6×36WS+IWR-1770
Ø Max.lift：10m（above the water）
Ø The max.depth of dredge：50m（Vertical distance under the water）
Ø Applied temperature：-10~40°
Visualized simulation system
The electrical control system and construction positioning system contains sensing elements, which can realize the collecting data and input the collected data in the visualized simulation system. Together with the data communication technology, computer graphics, computer programming and sensor technology, it can realize visualization of grab underwater.
Convenient operation
It adopts PLC controlling, which has a high control accuracy. It is simple to realize the function that can reduce the numbers of the handling rods and pedal plates and the labor strength of the operator. The flat dredging and fix dig deep has two operation models, such as manual operation and automatic controlling. It has a accurate controlling(accuracy is 625px), which can avoid over dredging phenomenon. It adopts two hand shank and one pedal plate controlling with simple operation and high degree of automation.
Simple and direct maintenance
The overall intelligent grab dredger adopts AC variable frequency common DC bus multi-motor-drive controlling system with simple system and reliability.
The controlling system adopts ProfiBus-DP bus system. The fault of control loop is easy to check, which is convenient to maintain and examine and repair. All of the lifting mechanism and variable frequency mechanism adopt mature and reliable winch system. The rotating system adopts planetary gear system driven by electric motor with mature technology, reliability and convenient maintenance.
Low operation cost and low energy consumption
It adopts diesel generating set to provide power, which is to realize dynamic response. It makes the work of the diesel engine near the optimum efficiency curve, which can provide the fuel economy. It adopts twelve pulse rectification plan that can relieve the interference of the two harmonics and provide force and skill factor and transmission efficiency. It adopts generator sets+motor drive plan. And the overall efficiency can reach 75% which is 5% more than the same kind of equipment of Japan.
High-efficiency
Independent researched and developed intelligent controlling system can realize fix dig deep, flat dredging by automatic controlling, which gives full play to the ability of digging and reduces the time consuming caused by waiting operation and enhances productivity and reduces the manipulation strength. The intelligent grab dredging adopts mature high-power AC variable frequency drive and control technology. The performance of the AC variable frequency is reliable, which can avoid the stop caused by equipment fault and then influence the construction progress. Dual inverter are connected in parallel. And, it is inputted in one electrical machinery. It can make full use of overload capacity. It can realize triple digging overload capacity.
- Q:Who knows what's the name of the biggest dredger in China?
- Guangzhou Waterway Bureau has the largest grab ship, the maximum bucket capacity of 50, but the efficiency is not as good as the Shanghai Waterway Bureau fighting capacity of Xinhai 27 party round clam.Most of the ships I've seen before, as well as a dredge called a chain bucket dredger, are now out of date.
- Q:Does dredging dredger need relevant qualification?
- But if the local government regulations must be legitimate formal dredging project, estimated to need to apply for a ship's certificate, it is equivalent to a person's identity card! If you need Qingzhou Wynn mine, you can go through the whole process, the relevant costs to consult manufacturers.
- Q:What are the crew members on the dredge?
- The tonnage of dredger is large and small, and the dredging method is also divided into many kinds, so it can not be generalized.
- Q:The famous type of cutter suction dredger
- MAN provides engines for the world's largest suction hopper dredger.
- Q:How much dredging can the 4000 side /h suction dredge dredge in one day? Soft silt
- The "4000 party" per hour he refers to is under design conditions. If you are digging soft mud, the hourly rate is higher than 4000, and I now ship according to Holland IHC, originally designed to be 3500 parties, we call the 4500 party. In fact, if the excavation of soft silt, pipelines in 5 kilometers or so, we can produce more than one hundred thousand per day. The instantaneous yield can reach 7000 square hours per hour. I wonder what the power of your so-called 4000 party pump is
- Q:Classification of trailing suction dredgers for trailing suction dredger
- Trailing suction dredger is one of suction suction type. It sucks in mud by raking the head of the two side of the ship's hull or at the tail to work with mud and side navigation. Is the use of mud rake scarification, boat design sediment tank, tank volume said the size of the ship. A single to rake or harrow, are arranged on the ship or on both sides. Suction dredger is flexible, high efficiency, strong wind waves, suitable for coastal ports, the wide river and ship anchorage operation in large waves and without the cover of coastal and estuarine areas, should choose the self-propelled trailing suction dredger. Soil works suitable for loosening and less than clay hardness. The self-propelled boat is equipped with a mobile power unit (paddle machine) to drive the dredger.
- Q:Who has the construction plan of dredger dredger after dredger dredging and dredging with dredger barge?
- Is it a filling scheme for dredger? How about a suction dredger on the side of Qingzhou? Customer feedback is also OK, you can come and have a lookSpecific contact, see user name, basic data
- Q:3800m3 cutter suction dredger
- The 3800m3 cutter suction dredger says 3800m3 of sediment can be dug per hour!I designed the dredge pump, the ship is generally named after dredging flow, but also by the flow of water named
- Q:The working principle of a trailing suction dredger
- The ship is equipped with one or several sets of centrifugal pumps, centrifugal pumps for absorbing water and mud from the bottom of the vessel, into the mud tank. These operations are carried out on the voyage, while air while digging, mud tank fill to throw mud mud area, through the Bilge mud. Handle cases
- Q:Advantages and disadvantages of trailing suction dredger for trailing suction dredger
- In dredging, sediment laden with large amounts of water is transported to the dumping area, thereby affecting production. The suction boat can be used in infrastructure dredging and maintenance dredging, but not in narrow water areas
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New-Type Intelligent Large-Scale Grab Dredger，Dredger
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 set
- Supply Capability:
- 10 set/month
- Option:
- Visual simulation system Technical Data
OKorder Service Pledge
OKorder Financial Service
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