Shaftless screw conveyor is a kind of screw conveyor, are classified according to the screw axis (screw conveyor can be divided into shaft screw conveyor and shaftless screw conveyor), and we can see from the classification of shaftless screw conveyor is that there is no screw axis of conveyor, is mainly used for dealing with the viscosity of the material and the material.
Shaftless screw conveyor is mainly composed of driving device, head assembly, housing, shaftless screw, groove lining plate, feeding port, discharging port, machine cover (when needed), base and so on.
Shaftless screw conveyors are used for conveying bulk materials discharged from centrifuges, filter presses or mixers. The design without a central shaft eliminates the accumulation and blockage of viscous materials, making it easier to transport materials that are difficult to transport such as high water content, paste and ribbon
Feature:
1. The working system of the conveyor is 24 hours continuous operation, but also synchronous operation with the dehydrator.
2. Only the inlet and outlet are open, the rest are covered and closed, the material will not overflow, and the air pollution is small.
3. The shell is equipped with a wear-resistant lining to ensure that the shell and the screw will not produce friction under any working state. The upper cover plate is designed as a movable type, which is easy to clean the screw and maintain it.
4. Each conveyor before leaving the factory for comprehensive assembly and debugging operation, and load test. Ensure product quality.
5. Focus on the production of screw conveyor, screw blade, conveyor accessories, all kinds of molds and mechanical processing. The product has long service time, smooth surface, low resistance, good precision and high production efficiency.
6. Shaftless screw conveyor torsion can reach 4000N/m, the throughput is 1.5 times of the shaft.
7. Slot cover with proper gasket allows for tasteless operation and forms a barrier to prevent any atmospheric medium from entering the system. It can ensure the environmental health and the materials are not polluted, no odor leakage, to ensure the health of the conveying environment.
Details:
U Type Screw Conveyor Detail:
Pipe Type Screw Conveyor Detail:
Shaftless screw conveyor is mainly composed of spiral blade, driving device, U-type conveying groove, lining, bearing box, cover plate,
Inlet and outlet, bracket and other components.
1) Spiral blades
It is made of special steel with a special process, with sufficient strength and stiffness, blade width
80mm, its thickness is 20mm, the periphery of the cutting plant, suitable for transporting sludge and with sticky
Sex or long fiber material, can avoid this kind of material accumulation and winding problem.
2) Bearing box
It is made of 35 # steel casting, through tempering treatment, and then the whole processing, strict control of each
Block dimensions and concentricity requirements. There are two sets of centripetal ball bearings and unidirectional thrust ball bearings. According to the direction of conveying,
To determine the installation position of the centribals and thrust bearings to ensure the concentricity and no series movement of the helix when working
Like, and set the pressure nozzle.
3) Drive device
Shaftless screw conveyor driving device adopts shaft mounted reducer structure, that is, parallel shaft helical gear reducer
Machine, it has the advantages of high transmission efficiency, low noise, service life, stable and reliable operation, suitable for outdoor
Use; It is mounted on the end bearing box of the frame, and the shaft of the reducer is rigorously connected with the helix. Reduction of
Speed machine bearing has good lubrication, its working life should not be less than 100000 hours. Gear design of reducer
The meter conforms to ISO or equivalent standard, service coefficient not less than 1.6. Gear is alloy steel, carburized, tooth surface
Hardness not lower than HRC58~62.
Reducer motor is flange mounted asynchronous induction motor, suitable for power supply 380V, 3 phase, 50HZ, protection
Grade IP55, insulation grade F; And equipped with overload protection and alarm device.
Motor SEW brand, gear reducer for SEW special gear box.
4) Conveying trough and lining
The conveying trough is made of stainless steel plate, the section is U-shaped, the thickness is 4.5mm, with sufficient
Strength and rigidity, the bottom of the Shaftless screw conveyor groove is provided with a semi-circular wear-resisting lining ring, using non-metal with high wear-resisting performance
Made of materials; In order to reduce excess clearance and improve the conveying effect, the lining circle is matched with the spiral radius.
The inner lining is fixed by screw platen type, so that it can be repaired and replaced in the future. The wear-resistant lining plate in the conveyor trough should be able to
Easy to replace, service life should ensure more than 2 years.
5) Cover plate and drainage hole
Shaftless screw conveyor length in addition to the discharge mouth open, the rest of the cover cover sealed, made of stainless steel plate,
It is mainly to avoid the overflow and discharge leakage of grate slag and water when conveying, and reduce the volatilization of odor odor, and protect the surrounding environment
Of health. At the bottom of the inclined conveyor is also provided with a drainage hole, and the outer discharge pipe is connected, easy to clear the equipment
When washing sewage discharge and work when the grid slag in the transmission process of sewage filtered out through its original flow back to the grid
Well, so as to avoid the phenomenon of water in the machine.
6) Inlet hopper and outlet
The feed hopper is made of stainless steel plate, arranged on the upper part of the conveyor, the number, installation position and ruler
The number, position and size of the unloading port of the coarse and fine grating are matched respectively. The end of the conveyor is provided with a discharge
It is matched with the garbage trolley, and the grid slag is processed in the next step.
7) support
The Shaftless screw conveyor bracket is welded into a rigid component with stainless steel, and the connection support between the inner parts is connected
Continuous welding, horizontal conveyor and tilt conveyor bracket are provided with steel support, and fixed in the concrete soil
Build on; The height of the bracket can be adjusted moderately, and the adjustment allowance is ±50mm for the design height.
Application:
Package & Delivery:
General Technical Parameter:
Equipment requirements:
A. The shaftless screw conveyor should be started without load, that is, when there is no material in the casing, and can be fed to the screw machine after starting.
B, Shaftless screw machine initial feeding, should gradually increase the amount of feed until reaching the rated conveying capacity, feeding should be uniform, otherwise easy to cause the delivery of material blocking, driving device overload, so that the whole machine damage.
C. In order to ensure that the shaftless screw conveyor has no load to start, the conveyor should stop feeding before stopping, and the material in the shell can be completely conveyed before stopping.
D, the shaftless screw conveyor conveying material shall not be mixed with hard large material, to avoid screw stuck and caused by screw machine damage.
E. In use, check the working state of each part of the screw machine frequently and pay attention to whether the fasteners are loose. If loose parts are found, tighten the screws immediately to make them strong again.
Equipment installation requirements:
A, inlet and outlet site installation should make the inlet and outlet flange support surface and shaftless screw conveyor body axis parallel; The flange to be connected shall be tightly fitted without clearance.
B. After the shaftless screw conveyor is installed, check whether the reducer is fully lubricated or not, and then carry out no-load test; After continuous test run for more than half an hour, check the correctness of the assembly of the screw machine. If any problem is found, the machine should be shut down immediately and then run again until it is in a good running state.
C. The shaftless screw conveyor shall operate stably and reliably, and the fasteners shall not become loose. Reducer without oil seepage, no abnormal sound, safe and reliable electrical equipment.
Why choose us?
- We are a Chinese factory that offers high-quality Screw Conveyor products and professional services.
- Due to our years of hard work, we have continuously put new products on the market and constantly improved the quality. Now our products are sold all over the world and have won a high reputation.
- We strive to exceed your expectations when it comes to the quality of our Screw Conveyor products and services.
- Our company always insists on improving product quality, maintaining corporate reputation, and striving to provide convenience for customers in various industries. "Pioneering and enterprising, keep improving" is our enterprise spirit, "people-oriented" is our business philosophy, and "customer first" is our business strategy. We will continue to forge ahead and make progress together with everyone.
- We are committed to delivering top-quality Screw Conveyor products to our customers.
- We have been committed to the development, production, sales and service of Shaftless Screw Conveyor, providing customers with a full range of solutions, and have now become an integrated supplier of modern, large-scale and professional Shaftless Screw Conveyor.
- Our Screw Conveyor products are designed to last for many years to come.
- Our company focuses on building brand image and market reputation, in line with the concept of 'integrity, innovation, win-win', to provide users with high-quality Shaftless Screw Conveyor.
- Our Screw Conveyor products are characterized by their robust construction and exceptional performance.
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