From the 110m “Green Giant”: How ZYE Three Roller Mill and Lab Planetary Mixer Build the Foundation for the Composites Industry
2026-05-22 16:01
Recently, CRRC Times New Material’s 110‑meter high‑performance recyclable wind turbine blade was impressively launched in Sheyang, Jiangsu Province. This offshore wind power heavy equipment, which can be called the “Green Giant”, achieves a perfect balance of light weight and high rigidity through carbon/glass hybrid reinforcement technology, and moreover, with a fully system‑recyclable material it solves the industry’s solid waste problem, lighting up a new green circular path for wind power “from cradle to cradle”.
Behind this milestone, the preparation of carbon/glass hybrid composites is by no means a simple superposition of materials, but a precision system engineering that runs through the whole process of “raw material pretreatment – molding – recycling”. Especially at the raw material pretreatment and formulation design stage, the homogenization, bubble‑free state and ultrafine dispersion of the resin system directly determine the blade’s strength, fatigue life and recyclability. The lab planetary mixer and the three roller mill play an indispensable role in this material “precision battle”.
I. Carbon/Glass Hybrid: Ideal in Theory, “Bony” in Reality
Carbon fiber has high strength and high modulus but relatively high cost; glass fiber has high cost‑effectiveness but limited stiffness. Combining the two can balance performance and cost, and has become the mainstream technical solution for large‑megawatt wind turbine blades. However, carbon fiber and glass fiber still face three core difficulties in actual preparation.
Difficulty in fiber wet‑out
Carbon fibers have a small diameter and an inert surface, making it difficult for resin to fully wet them. Simply reducing resin viscosity to improve wet‑out often sacrifices the resin’s own mechanical properties, thereby affecting the overall strength of the composite. Especially in carbon/glass hybrid structures, the difference in wettability between the two fibers is large, and local insufficient wet‑out can easily lead to dry spots and resin‑starved areas, affecting blade safety.
Bubble residue
Air bubbles are easily introduced during resin infusion and fiber layup. Large blades have long molding cycles and large structural thicknesses. Once bubbles remain between fiber layers or in the resin matrix, they become stress concentration points, greatly shortening the blade’s design life, and even causing safety hazards such as blade fracture.
Uneven dispersion of components
The uniform dispersion of carbon fibers and glass fibers in the resin matrix is the key to ensuring consistency of the composite’s mechanical properties in all directions. In multi‑component resin systems that incorporate nano‑fillers and functional additives, the dispersion degree of the components must reach micron or even submicron level. This indicator determines the mechanical strength, weather resistance and functional stability of the final product, and is an important bottleneck restricting the performance breakthrough of carbon/glass composites.
Faced with the above difficulties, the ZYE three‑roller mill and the lab planetary mixer work together to build a complete pretreatment closed loop of “pre‑mixing – fine milling – vacuum degassing”, precisely solving the core pain points in carbon/glass composite preparation.
II. ZYE Three‑Roller Mill: Breaking the “Agglomeration Curse” to Achieve Submicron‑Level Fine Dispersion
In the front‑end raw material preparation of carbon/glass composites, the three‑roller mill undertakes the core duty of “raw material finishing”. Through precise shearing and milling actions, it gives the raw materials excellent dispersion performance, laying the foundation for subsequent processes.
Resin matrix modification and prepreg preparation
At the resin formulation preparation stage, with its strong shearing force and milling efficiency, the three‑roller mill uniformly disperses various nano/micron‑scale reinforcing, toughening or functional modification fillers into the high‑viscosity resin matrix, and precisely mills them to micron or even submicron fineness, effectively avoiding filler agglomeration, providing a high‑quality resin matrix for hot‑melt, solution‑based and other prepreg preparation methods, ensuring the fiber wet‑out and performance stability of the prepreg.
Preparation of chopped fiber mixtures
In the preparation of carbon fiber forging materials, sheet molding compounds (SMC) and bulk molding compounds (BMC), the three‑roller mill achieves thorough mixing and uniform dispersion of chopped carbon fibers with the resin matrix, effectively solving the problems of fiber agglomeration and uneven distribution, improving the molding performance of the mixture and the mechanical strength of the final products.
Preparation of pastes and adhesives
The three‑roller mill can be used for the preparation of nanocomposites, conductive pastes and high‑thermal‑conductivity composites. Through fine milling, it fully releases the functional characteristics of nano‑fillers. At the same time, it is suitable for glass fiber systems, enabling homogenization treatment of adhesives such as carbon nanotube‑reinforced epoxy resin, improving bond strength and interface compatibility.
Material Processing Effects of The Three Roller Mill on Different Materials
III. Lab Planetary Mixer: The “Degassing Expert” for Composite Preparation
The ZYE lab planetary mixer efficiently completes the mixing of resin matrix components (e.g., epoxy resin, polyurethane resin) and bubble removal under a high‑vacuum environment, providing high‑quality raw materials for subsequent molding processes and avoiding internal material defects at the source.
Resin preparation and prepreg production
Mixing resin components under a vacuum environment ensures uniform blending of each component. At the same time, using the efficient degassing function with a vacuum degree of ≤‑0.098 MPa, it thoroughly removes micron‑scale bubbles and volatiles, eliminating internal porosity defects, and provides a high‑purity, highly homogeneous resin matrix for prepreg production. In high‑end fields such as aerospace, it can precisely control the raw material ratio, ensuring the performance consistency and reliability of the prepreg.
Adaptation to composite molding processes
The prepared bubble‑free, homogenized resin can be seamlessly connected to processes such as RTM, VARTM, pultrusion, etc. Completing component dispersion, mixing, degassing and even partial chemical reactions in a sealed container greatly simplifies the operation process, improves production efficiency and product yield.
Premix and special material preparation
In the preparation of high‑demand carbon/glass composite premixes, the equipment can achieve thorough premixing of chopped fibers and resin under vacuum, avoiding dry fiber residue. For special molding compounds such as BMC (bulk molding compound), after vacuum mixing degassing treatment, internal bubbles and volatiles can be effectively reduced, improving the molding flowability of the compound and the mechanical properties of the molded parts.
Material Effects Before and After Treatment With The Lab Planetary Mixer
IV. Carbon/Glass Composites: Empowering Multiple Fields, Broad Prospects Ahead
With the deepening of the “dual carbon” goals, carbon/glass composites, relying on their core advantages of light weight, high strength, corrosion resistance and recyclability, have broken through the boundaries of the wind power sector and become key basic materials supporting high‑end manufacturing and green development. Their application scenarios continue to expand and their market potential is huge.
In the new energy field, besides wind turbine blades, carbon/glass composites are widely used in photovoltaic mounting brackets, energy storage equipment enclosures and other products. They can effectively reduce structural weight and energy consumption, while improving equipment weather resistance and service life, adapting to complex outdoor working conditions.
In the transportation field, high‑speed rail body components, new energy vehicle chassis and body structures, ship hulls, etc., are gradually adopting carbon/glass hybrid technology, achieving a dual improvement in light weight and safety, helping the transportation industry reduce carbon emissions.
In the aerospace field, some non‑core components have begun to use carbon/glass composites in batches, replacing traditional metal materials to reduce aircraft weight and improve flight efficiency. In the future, as the technology matures, application scenarios will extend further to core components.
In the construction and marine engineering fields, carbon/glass composites are also gradually replacing traditional building materials for structural reinforcement and anti‑corrosion protection, etc. By virtue of their excellent mechanical properties and weather resistance and durability, they extend the service life of projects and reduce later maintenance costs.
V. Conclusion
From the 110‑meter recyclable wind turbine blade to every precision process, the logic is confirmed: “Strong equipment leads to strong materials; strong materials lead to a strong industry.” Though hidden behind the scenes, the ZYE three roller mill and the lab planetary mixer, with their hardcore technology, build a solid raw material foundation for the green and large‑scale development of the wind power industry.
ZYE Technology will showcase its latest ZYE three roller mill and lab planetary mixer solutions at the SAMPE China International Advanced Composites Exhibition held in Beijing on June 10–12, 2026. We welcome industry colleagues to come for exchange and observation, and to jointly discuss cutting‑edge technologies in composite preparation.
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