Manhole Mortar Mixer

Zhejiang Wengong Intelligent Technology Co., Ltd. is one of the leading manufacturers and suppliers of manhole mortar mixer in China. We are committed to providing high quality machinery with competitive price. If you're going to buy advanced manhole mortar mixer made in China, welcome to get quotation from our factory.

The trenchless spraying reinforcement and repair equipment for the lining of box girders of underground box culverts and highway viaducts is a core patented product independently developed by our company, with official authorization from the China National Intellectual Property Administration. Manhole mortar mixer is a professional trenchless construction device. It is specially developed for lining repair and reinforcement of special structures including underground box culverts and highway viaduct box girders, which feature limited internal space and cannot be accessed by large equipment. This equipment solves the long-standing industry problem that traditional methods fail to complete efficient internal repair for such special structures.

Manhole mortar mixer consists of two core units: a mortar spraying machine and a mortar mixer. During construction, large-area excavation on box culvert and box girder structures is not required. Workers can directly enter the interior of structures through existing inspection wells of box culverts and box girders to carry out construction. It fully meets trenchless repair requirements and avoids the negative impact of traditional excavation repair on ground traffic and surrounding environments. It is highly suitable for maintenance and repair projects of urban core elevated box culverts and underground box culverts in busy traffic areas.

The two core units balance reliable performance and good portability through optimized design, featuring lightweight and compact overall structure. Single-unit weight is controlled within the range for manual transportation, without the need for cranes, forklifts or other large lifting equipment for tunnel transfer and relocation. Meanwhile, the equipment's core performance parameters fully match those of conventional large-scale models. Key indicators such as mortar mixing efficiency and spraying displacement fully comply with industry standards. Its working capacity will not be reduced due to smaller size. It ensures stable construction efficiency while lowering operation thresholds greatly, showing outstanding advantages in small and medium-sized repair projects. The whole equipment features simple disassembly and transportation without complex steps. After disassembly, it can be directly loaded into ordinary freight vehicles for delivery, with very low transfer costs. It realizes efficient trenchless repair for box culverts and thoroughly solves the industry difficulty that traditional equipment cannot enter highway viaduct box girders for inner wall reinforcement and repair.

Targeting the special working environment inside box culverts and box girders, the XB70 equipment adopts multiple targeted optimizations:

The upper part of the equipment is equipped with auxiliary walking wheels, assisting movement during vehicle operation and access to inspection wells, and effectively reducing manual handling workload. Dedicated moving wheels are installed at the bottom. After entering box culverts and box girders, operators can push the equipment freely between working surfaces without repeated carrying, which greatly lowers construction labor intensity.

The mixing system adopts an innovative structural design. Curved internal mixing blades form a multi-dimensional spatial mixing structure. During operation, the blades drive mortar to generate strong radial and axial flows, forming multi-directional circulating vortex inside the mixing chamber. This greatly increases the contact area of different materials. It fully refines slurry particles and realizes thorough mixing of cement, aggregate and other components. Aggregate surface wrapping and mortar uniformity are greatly improved compared with traditional mixing devices, fundamentally guaranteeing the strength and adhesion of sprayed lining layers.

With compact and lightweight overall dimensions,Manhole mortar mixer can directly enter various box culverts, box girders and inspection wells for construction without disassembly. It perfectly adapts to complex working scenarios, including underground box culvert lining repair and highway viaduct box girder inner wall reinforcement and spraying. It is currently ideal equipment for confined-space trenchless repair operations.

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