Huaxin uses Sinyar stretch film and winding net wrapping technology to co-dispose RDF

Huaxin Cement Kiln has been committed to improving the efficiency of collaborative disposal of domestic waste in cement kilns. Huaxin’s Environmental Engineering company located in Yunyang County, Chongqing is responsible for collecting locally generated household waste and pretreating it into RDF(waste-derived fuel), hoping to conduct collaborative disposal through Huaxin’s cement kiln located in Zigui County, Yichang. However, as the distance between the two places is more than 200 kilometers, direct road transportation is low efficiency and high cost and may produce secondary pollution problems such as scattering, odor and leachate drip in the process of transportation. After various studies and considerations, Huaxin finally used the direct wrapping technology of Finland’s Cross Wrap company to effectively avoid the problem of secondary pollution and greatly reduce the transportation cost of shipping. In addition, Cross Wrap’s direct wrapping technology eliminates the need to use any strapping tape, which effectively avoids the adverse impact of metal strapping residue on the kiln. On the other hand, the RDF wrapping package shipped to the cement kiln in Zigui County avoids manual work and greatly improves the processing efficiency by using the fully automatic unloader of the Cross Wrap company. This project has been put into use and achieved good results.

Cement plants-generating electricity from waste

Sinyar stretch film has good compatibility with Finnish Cross Warp and other wrappings and can Wrap RDF directly with Cross Wrap, which is a new business model for Huaxin.

Baling and wrapping have many advantages over transporting loose materials. For example, the efficiency of material loading is greatly increased, which means the transportation cost is reduced. And the whole process without slag, leachate and odor problems. Since the transportation distance is more than 200 kilometers, making the package into a rectangle is the most efficient way to make full use of the space of the transportation vehicle. Compared with loose materials or even round bales, rectangular bales have higher density, greater weight, tighter loading and higher transport efficiency. In addition, rectangular bundles are easy to be made into temporary stacks on-site for storage. Because of the isolation of the stretch film, the site will not produce odor and secondary pollution. When handling, it can also be very convenient to use a forklift with a clamp to handle.

Cement plants-generating electricity from waste

The use of Sinyar milky stretch film and winding mesh wrap is very tight, greatly improving transportation efficiency. The winding mesh device improves rigidity.

In addition to the basic milky winding film wrap, Huaxin Company also chose winding mesh device. The device improves the strength of the wrapping by clamping the winding net in the middle of stretch film. Even if the wrapping contains some particles of uneven size or sharp objects, the wrapping can provide adequate protection. The wrapping net is laid horizontally on the wrapping bag and sandwiched between the stretch film so that the wrapping net can be removed from the wrapping bag at the same time as the stretch film. The two packing materials are used alternately at the same time. In addition, the winding device also helps to reduce the amount of packaging film, thus reducing the cost of consumables. Huaxin’s winding mesh unit helps to reduce consumable consumption and improve the strength of baling structures.

Cement plants-generating electricity from waste

Project Summary:

  • material: used in cement production of RDF
  • packing process capacity: about 40 packages/hour
  • demolition can make a production contract: about 40 packages/hour
  • bale size: 1100 x 1100 x 1500 mm
  • the CW equipment: the CW directly wrapping machine and the CW 3600 bale opener
  • note: in this paper, the CW wrapping machine that is the CW baling press

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