Responsible for mud.Bottom dumping hopper with the movable Bottom Door . Dedicated to the trailing Suction Hopper Dredger
Bottom door means having self-propelled bunkering functional and non-self-propelled Dredger carrying ship or dredged material (commonly known as mud Barge ) Disposing dredged material dedicated facilities. Bottom door are relative terms, it is a dedicated loading bay dredged material (commonly known as the hopper) dump device.
Photo of our Bottom Door:
The form and amount of Bottom door is generally based on the size of its hopper and the hopper loads the specific circumstances of the particle size, viscosity, specific gravity and waters the ship construction and design.
Bottom door are generally installed in the bottom of the hull of a vessel can be opened and closed through human or mechanical (electrical, hydraulic). Different types of Bottom door its control, opening and closing time (speed), the degree of opening of the open, dredged material by ability has its own characteristics.
A. General
High accuracy, fully welded, painted construction can be used for trailing suction hopper dredger.
Load pipe plays an important role, transport the dredge mixture to the hopper, then transmit through the load box pipe, to other position.
Dredger Structure pipe with high quality including Loading Box , Jet Pipe , Suction Pipe, spud, riser pipe, flange pipes etc.
B. Construction and procedure
The construction is to be built according to the drawing with rules of good workmanship.
With wear plate welded in inlet tube to ensure the long service life
According to the different function, normally load pipe has 1 inlet tube or 2 inlet tubes
On main pipe part, there will be several exit holes.
C. Materials
All fabricated steelwork used in the construction of the load box pipes will be to manufacturing standard of normal or classification society.
All materials proposed will be selected to comply with the latest Health and Safety Rules.
Paint systems for hull protection will be of the highest quality (Hempel, Inter, Sigma, Jotun)
D. Welding
All welding will be performed in accordance with drawing and order and UniSite experience and all welding will be continuous and full penetration.
E. Workmanship
The workmanship have good marine practice. Care are taken to ensure fair lines, smooth surfaces and neat welding.
Bottom Door Fridge Bottom Door,Customized Bottom Door,Steel Bottom Door,Precision Bottom Door Unisite Group Ltd. , https://www.shipsparts.nl
Deqing County Modern Agricultural Industry, Research and Research Alliance will form 9 sub-fundies 
Deqing County Modern Agricultural Industry, Research and Research Alliance will form 9 sub-fundies
[China Agricultural Machinery Industry News] Deqing County, in the hinterland of the Hangjiahu Plain, is known as the back garden of Hangzhou. In recent years, Xinhua News Agency, People's Daily, and CCTV have repeatedly introduced the successful experience of modern agriculture construction in Deqing County to the whole country. Recently, the establishment ceremony of the Deqing County Modern Agricultural Industry, Education and Research Alliance was held in the Development Zone Building of the County Agricultural Bureau.
Luo Guojian, deputy secretary of the county party committee, and Chen Jian, deputy county magistrate, attended the ceremony. Professor Lu Xingmeng, Director of Agricultural Technology Promotion Center of Zhejiang University, and other experts from Zhejiang University, Zhejiang Agriculture and Forestry University, Provincial Academy of Agricultural Sciences, Provincial Academy of Forestry, and Provincial Freshwater Fisheries Research Institute, as well as agricultural science and technology personnel and agriculture in the county. Representatives of the industrial base participated in the inauguration ceremony.
Deqing County Modern Agriculture Industry-Academic Research Alliance is based on the existing agricultural technology promotion system in our county. It is led by Zhejiang University and other agricultural-related universities and research institutes. It focuses on modern agricultural development and cooperation as the theme. Talents are the guarantee, taking the project as the carrier, taking the base park as the platform, and the new agricultural technology innovation and promotion alliance integrating agricultural science, education, education and research. According to the development needs of county-level agricultural characteristic industries, the alliance will form nine industry alliances including grain and oil, sericulture, livestock and poultry, special aquatic products, fruits, bamboo, tea, flowers, seedlings and vegetables.
(Original title: Deqing County Modern Agricultural Industry, Research and Research Alliance was established)