Concrete Screw Conveyor

Structural features of Concrete Screw Conveyor

1. The continuous spiral blade is made of high-quality imported high-strength wear-resistant steel. After forming, the pitch error is less than 5mm and the surface of the blade is smooth, which ensures the uniformity and stability of material transportation, thus ensuring the repeatability of material measurement.

2. The continuous helical blade is made of cold work hardened surface cold rolling treatment, the hardness and wear resistance are about doubled compared with ordinary blades, and the outer edge hardness can reach HB240.

3. The front and rear helical blades have two pitches of sparse and dense, which can effectively prevent the pipe from being blocked. Commonly known as "eat less, vomit faster". The high-precision manufacturing of the blade ensures that the material is filled with the tube body, and the user can judge the quality of the screw conveyor from the flattening of the canvas sleeve at the feed port of the screw conveyor.

4. The inner shaft of the screw machine is provided with an intermediate hanging bearing within a certain distance to support the rotation of the inner shaft. The intermediate hanging bearing seat is mostly made of cast steel or cast aluminum material, and the single cantilever type support body makes the blade at the front and rear joints interrupted. Smaller, the material flow is cross-sectional, so that the material flow is smooth and unobstructed.

5. The connection method between the feed inlet of the Concrete screw conveyor and the cement silo is divided into two forms: the rigid connection of the ball hinge flange and the soft connection of the hanging and waterproof canvas. The frequency of disassembly and assembly of visual equipment determines the interface form.

6. The special design of the front bearing body makes the inner shaft of the screw receive a tensile force during normal operation, and the tensile force is borne by the thrust bearing in the front bearing to prevent the reducer and the middle hanging shaft seat from being compressed, and avoid the bolt shaft being compressed by the pressure. The resulting sweep phenomenon.

Available Options

1.Different types of inlet and outlet spouts

2.Additional inspection hatches

3.External supports

4.Drive unit at outlet end

5.Selection of gear ratios resulting in different feed rates

How to install Concrete Screw Conveyor

1. The installation foundation of the screw machine should be irrigated at least 20 days before the official installation of the screw machine. The foundation should be able to support the conveyor reliably and ensure that the screw machine does not sink and additional changes due to the too small foundation. It has sufficient stability during operation.

2. Before the screw machine is installed, it is necessary to clean the parts of the dirt that stick to it during transportation or when unpacking.

3. The flange surfaces of the adjacent casings should be smooth and tight, and the dislocation deviation of the joints on the inner surface of the casing should not exceed 2 mm.

4. The asbestos belt is allowed to be cushioned between the flanges of the casing to adjust the accumulated error of the length of the casing and the screw machine.

5. The gap between the outer diameter of the spiral and the casing should meet the regulations, and the gap should not be less than 50% of the nominal gap. If a larger gap is required, it should be made according to user requirements.

Proof of Solutions for Our Wide Range of Products

Project	Screw Conveyors for Fresh Concrete	Screw conveyor for bulk handling cement powder and aggregates.
Customer Demand	Conveying fresh concrete from the forced mixer to the mould, avoiding concrete segregation and ensuring uniform and continuous discharge	Our client, producer of ceramic adhesive in different meshes, want to speed up and improve the transport of cement and some aggregate powders, from silos with manual unloading to transport them and deposit them in horizontal mixer of pallets, required that the equipment was fixed with adaptation of hopper container for 1 cubic meter.
	Conveying length: 8.4 meters	Conveying height: 2 meters
	Delivery capacity: 10m³/h	Delivery capacity: 30m³/h

Concrete Screw Conveyor Manufacturers

Concrete screw conveyors provided by Dahan concrete screw conveyor manufacturers are commonly used in: powder, granular materials, widely used in: power plants, steel plants, building materials plants, cement plants, chemical plants, dust removal equipment ash conveying systems, cement manufacturers' concrete cement pipes, etc. , is often used for dust removal equipment supporting ash conveying system. We have special personnel in charge of design, drawing, modeling, processing, quality inspection, assembly, test machine, painting, delivery and other links. We have machining workshops (lathes, milling machines, boring machines, drilling machines), assembly workshops, painting workshops, warehouses, etc. . The product model is complete and the price is cheap. We can provide structural drawings and parameter quotations for free design and selection according to working conditions.