Ship Unloading Machine

 1. Bridge Ship Unloader with Grab

This bridge type ship unloader with grab is a cutting-edge unloading equipment used at the wharf. It is a commonly seen machine in the bulk importing area at the wharf with the features of good maturity, reliability, strong adaptability, commodity, high production efficiency, high automation degree, low failure rate, convenient maintenance, etc.

 

Bridge Ship Unloader with Grab

 

This product can be used for the unloading of 3,000t-250,000t bulk ships for the material of different densities and particles (300-800mm) with grabs. The reclaiming grab bucket has simple structure with simple maintenance. It also can be used for the corrosive bulk material. It has good adaptability for the hatchways of the bulk ships, meanwhile, which will not be affected by the tidal level.

 

 

 

 

2. Chain Bucket Ship Unloading Machine

The chain bucket ship unloader is a continuous ship unloading machine for bulk materials unloading with its chain bucket. There is onboard conveying system to discharge these bulk materials to the wharf. The chain bucket ship unloader can be used for unloading limestone, coal, phosphate, ore sand, raw sugar and other materials, therein, the maximum capacity can be up to 3000t/h, and the maximum ship capacity is 100,000t.

 

This unloading machine has high unloading efficiency with 45%-50% unloading efficiency in the rated production efficiency when the ship unloader has stepped into stripping stage. It has small pollution because the conveying paths are sealed without dust pollution. Meanwhile, there is no frequent starting-braking operation, therefore, the noise is relatively small.

 

Less energy consumption: 1MJ/t~1.26MJ/t. Automation: Considering that the ship unloader has the similar reclaiming process in every layer of working surface, it is convenient to make operation and easy to realize the semi-automation and automation. 

 

 

 

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Email: weihua@craneweihua.com

WhatsApp: +86 15093392066

 

Mobile Ship Loading Machine

 The mobile ship loading machine loader is a large-scale bulk materials handling machinery used for loading the bulk materials to ships in the wharf. A ship loading machine consists of cantilever crane, cantilever crane belt conveyor, flexible chute tube, tripper car, traveling device, gantry frame, tower, pitching device, etc.

 

mobile ship loading machine loader

 

Features of Mobile Ship Loading Machine:

1. This machine runs along the wharf with good maneuverability, flexible operation and strong adaptability of ship type.

2. The cantilever crane can only make pitching and extension-retraction movement to cooperate with the traveling trolley via its extension and retraction for the sake of changing the charging position of chute tube, thus it can save the slewing drive and bearing, and makes the machine more simple and portable.

3. The machine has herringbone structure, adopt the tubular profiles instead of plate-girders as the main stress components, therefore, the plate shearing, welding and other procedures are reduced in the manufacturing process to reduce the manufacturing and processing difficulty and shorten the manufacturing period.

4. It uses the flexible chute tube to reduce the dust pollution during the ship loading.

5. The complete machine is intensively controlled by PLC, the main mechanisms is controlled by frequency control mode to realize stable operation without impact.

 

 

https://www.weihuagantrycrane.com/product/Mobile-Ship-Loading-Machine.html

Email: weihua@craneweihua.com

WhatsApp: +86 15093392066

 

Arc Swing Ship Loader 900t/h

This machine is a 900t/h arc swing ship loader mainly used for bulk cargo loading operations at port terminals for the first phase of Wuyang Public Terminal in Gangzhong County, Chongqing. The ship loader has the features of high efficiency, reasonable design, reliable quality, advanced performance, attractive appearance, simple maintenance, and easy operation. The characteristics of the mechanism, structure and electrical system are as follows:

 

900t/h arc swing ship loader

 

This machine is suitable for all kinds of bulk cargo loading operations. The material is transported to the head tribe by the belt conveyor to realize the loading of the ship. In the process of loading, this machine can also complete the full coverage of different types of ships in all directions of cabin length and cabin width through single or combined actions of the long traveling, boom telescopic, boom pitching and the cylinder stretching and other mechanisms.

 

 

The main steel structure adopts a truss structure for the boom, a frame structure for the gantry and the rear support beam, a steel pipe for the mast, and a high-strength bolt connection between the main steel structures. The structure is compact, lightweight, and small wind load.

 

The drive of the trolley, the boom and the telescoping of the chute are carried out by wire rope traction. They are all flexible drives and have the characteristics of small impact load and reliable operation.

 

 

This machine adopts variable frequency drive and has the features of stable operation and convenient operation. The components of the organization adopt mature products, which have high reliability and are conducive to maintenance.

 

The machine adopts programmable logic controller (PLC). The driver can realize long-distance control for each agency in the driver's room and can clearly understand the working status of the mechanical and electrical equipment of each institution, and can realize monitoring and control of various electrical faults.

 

The machine is equipped with various safety protection devices such as the boom pitching limit, belt deviation, skid, emergency stop, dust-proof limit, boom telescopic mechanism limit position, etc. to ensure the driver's safety, ease the operation difficulty, and improve the operation efficiency.

 

 

 

 

https://www.weihuagantrycrane.com/product/Arc-Swing-Ship-Loader-900t.html

Email: weihua@craneweihua.com

WhatsApp: +86 15093392066

 

Hydraulic Pitch Stacker DBL1500.25

This hydraulic pitch stacker is a large-scale material continuous loading and unloading equipment mainly used for coal storage operations in the material yard. The ground belt conveyor transports coal into a long strip stockyard with a stacking capacity of 1500t/h and a radius of gyration of 25m. The stack height is 10m and the travel distance is 185m.

 

hydraulic pitch stacker

 

1. Mechanical Design:

It meets the equipment strength, stiffness, and stability requirements while ensuring that the design of the whole machine is light and reasonable, reducing the ground requirements of the user;

The construction drawing is combined with the 3D model and 2D model (this method can make sure the process, production and quality inspection familiar with the assembly relationship between the components and the intuitive understanding of the details of the parts, thus minimizing unnecessary rework);

Considering that the equipment long-distance transport, the large parts are disassembled and assembled on site while meeting the structural design requirements.

 

 

2. Institutional Functions:

Simplification design minimizes the failure while meeting the functional requirements of the equipment.

 

3. Electrical Control:

Flexible manual and PLC program-controlled switching use: irregularly small quantities of materials are manually operated, while regular, large quantities of materials are operated by PLC program control.

The driver's cab of the stacker is equipped with wireless communication equipment that communicates with the coal handling control room to complete the interlocking information communication.

 

 

 

 

 

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Email: weihua@craneweihua.com

 

Dock Belt Conveyor

 2 belt conveyors with a bandwidth of 2200mm were successfully installed and commissioned in the green petrochemical base of Zhejiang Petrochemical Co., Ltd. in Yushan Island, Daishan County, Zhoushan City, Zhejiang Province. There are total of 8 conveyors are designed, manufactured and installed by Henan Weihua Heavy Machinery Co., Ltd for this project.

 

belt conveyors

 

40 million tons / year refining and chemical integration project of Zhejiang Petrochemical Co., Ltd. with total investment of 173 billion yuan has 2 phases of construction. In the current 1st phase of the project, our company mainly undertakes the supporting terminal project dry bulk terminal belt conveyor. The machine and auxiliary system devices are: 4 belt conveyors with a bandwidth of 2200mm for coal transportation and 4 belt conveyors with a bandwidth of 1400mm for petroleum coke and slag transportation.

 

 

Features:

1. Belt width B=2200mm; belt speed 5m/s; conveying capacity 7680t/h;

2. The installed power is 3x800kw, the length of the single machine is 950m;

3. The electric control adopts the remote control of the central control room and is equipped with multiple sets of electrical protection to ensure safe, reliable and efficient operation of the whole machine.

 

 

 

https://www.weihuagantrycrane.com/product/Dock-Belt-Conveyor.html

Email: weihua@craneweihua.com

WhatsApp: +86 15093392066

 

Bucket Wheel Stacking Reclaiming Machine

 1. Cantilever Bucket-Wheel Stacking-Reclaiming Machine

 

Bucket-Wheel Stacking-Reclaiming Machine

 

This machine is a high-efficient, continuous and large-scale material handling equipment for bulk materials handling. Cantilever type one can be used at the coal and ore storage yards in the fields of electricity, metallurgy, coal, building, chemical, etc.

 

 

The cantilever type bucket-wheel stacking-reclaiming machine has the arm range of 20-60m and stacking capacity of 100-10,000t/h, which is widely applied to the strip materials yard.

 

Stacking and reclaiming:

1. Stacking: coal → ground belt conveyor → auxiliary tail car → main tail car → main tail car head hopper → boom belt conveyor guide trough → boom belt conveyor → coal storage yard.

2. Reclaiming: coal→ bucket wheel mechanism→ boom belt conveyor→ center drop hopper→ ground belt conveyor.

 

 

Features:

1. Multiple operation modes

Single action mode, manual mode, automatic mode and local mode can be switched freely according to different operation requirements without any interference effect;

2. Automatic controllable operation, real-time data feedback

The PLC main control device realizes the full automatic control of the stacker and reclaimer operation, collects the pile shape data through the instrument, and feeds the material storage condition in real time;

3. Three-dimensional anti-collision, accurate and reliable positioning

The three-dimensional anti-collision system is based on high-reliability and high-precision positioning system detection and attitude detection, and realizes anti-collision between equipment and material piles, equipment and equipment, equipment and devices along the track;

 

 

4. Timely warning, double security protection

Mechanical and inductive limit switches are set at each operating mechanism, and warning warnings and limit parking points are set in the program monitoring to establish double safety protection;

5. Two-line intelligent lubrication, reducing labor intensity

The whole equipment adopts electric centralized lubrication, which greatly reduces the labor intensity; the two-line intelligent centralized lubrication system is adopted, and the lubrication effects of the front and rear lines do not affect each other. The intelligent monitoring system can indicate the fault point and reduce the manual inspection intensity;

6. Versatile and cost-effective

It adopts the full-function double-tailed car layout to realize easy material stacking and reclaim function, multi-functional and cost-effective.

 

2. Gantry Bucket-Wheel Stacking Reclaiming Machine

 

 

This machine is a large bulk material handling equipment used for continuously working in thermal power plants, industrial and mining enterprises and the bulk materials storage yards in the port.

 

Weihua gantry bucket-wheel stacking reclaiming machine has the rail length of 20-60m, reclaiming capacity of 150-2500t/h and stacking capacity of 300-3,000t/h.

https://www.weihuagantrycrane.com/product/Bucket-Wheel-Stacking-Reclaiming-Machine.html

Email: weihua@craneweiua.com

WhatsApp: +86 15093392066

Bridge Type Chain Bucket Unloader

 The Bridge Type Chain Bucket Unloader is with a special chain bucket unloader for the unloading of particle materials from trucks. The bulk materials can be coal, gypsum, shale, iron ore, etc.

 

 

Bulk Material Size:

1. Coal and gypsum: ≤300mm, ≤100mm accounted for more than 85%, moisture content ≤13%

2. Shale: ≤150mm, ≤80 accounts for more than 85%

3. Iron ore: ≤80mm, ≤50mm accounted for more than 85%

 

Bridge Type Chain Bucket Unloader

 

Features of Bridge Type Chain Bucket Unloader:

1. The unloading capacity of this unloader can reach 500t/h, and it can unload materils from 5 sections of 60 tons trucks per hour.

2. The unloader adopts upper and lower double girder structure and mobile tipping bucket mechanism, which makes the unloder able to work on multiple transportation lines.

3. The chain bucket is designed with T-shaped mechanism, which makes it able to unload the material in forward and reverse directions, improving the unloading efficiency.

4. Traveling reducer is designed with small size, large output torque and long service life.

5. The blanking device of the belt conveyor adopts a sealed telescopic slip tube to reduce dust during the belt blanking process.

6. It is equipped with overload limiter, lifting height limiter, trolley buffer, running stroke limiter and safety shield, etc., with excellent safety performance.

 

 

Weihua bulk material handling equipment can be conveying equipment and port loading/unloading equipment, which serves in the field of mining, coal, water conservancy and hydropower, transportation, ports, petrochemicals, cement, metallurgy, thermal power, municipal engineering, construction sand, etc. Various product forms (such as gantry type and bridge type) can be designed according to customer requirements.

 

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