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In the screening operation of wet soil and stone materials, enterprises generally face pain points such as high material viscosity, severe screen mesh blockage, high cost of replacing screen shafts, and inability to flexibly adapt to different working conditions. Traditional screening equipment usually has a fixed structure. Once it encounters wet soil or stone materials with a large amount of mud, the screening efficiency drops significantly, and the frequency of screen cleaning increases. This not only affects the production capacity but also leads to high equipment maintenance costs. In response to this industry problem, Xingtai Guansheng Machinery Manufacturing Factory relies on years of experience in manufacturing construction machinery and independently developed the modular soil separator. Through the design of adjustable screen shafts, it can flexibly adapt to different screening working conditions and effectively solve the problems of material blockage and unbalanced efficiency during the screening of wet and sticky materials.
Our factory is located in the north of Zhangwang Village, Weijiazhuang Town, Longyao County, Xingtai City, Hebei Province, with a registered capital of 100,000 yuan. We are dedicated to providing customers with efficient and practical screening solutions. This product adopts a modular structure. Users can increase or decrease the number of screen shafts according to the actual material characteristics (such as water content, mud content, and particle size distribution). They can adjust the screening area and screen hole gap without replacing the whole machine, which greatly reduces the equipment procurement and transformation costs. At the same time, in view of the characteristic that wet soil is easy to adhere, we have optimized the material and surface treatment process of the screen shafts and equipped with an automatic screen cleaning device to ensure the continuous and stable screening process.
Working principle and core technology
- Modular screen shaft system: Each screen shaft is independently driven and connected to the reduction motor through a coupling. Spiral blades or serrated paddles are arranged on the shaft body. The materials roll forward and are gradually separated under the rotation of the screen shafts. The number of screen shafts can be freely combined from 2 to 12 to meet different processing capacity requirements.
- Adjustable screen hole gap: The distance between adjacent screen shafts can be precisely controlled by adjusting the base gaskets, ranging from 10mm to 80mm, ensuring that the particle size of the undersize material is controllable. For wet and sticky materials, a larger distance is recommended to reduce blockage.
- Automatic screen cleaning mechanism: An elastic scraper or a high-pressure air jet device is configured below the screen shafts to remove the mud adhering to the shaft body in real time and avoid the accumulation of screen holes. The working frequency of this mechanism is adjustable and linked with the rotation speed of the screen shafts.
- Drive and control: A variable-frequency speed-regulating motor is used, and the rotation speed of the screen shafts can be steplessly adjusted within the range of 5 - 25rpm to adapt to the fluidity of different materials. The control cabinet has functions of overload protection and shaft temperature monitoring to ensure safe long-term operation.
Technical specification parameter table
| Item | Parameter |
| Number of screening shafts (can be increased or decreased) | 2 - 12 pieces |
| Length of a single screening shaft | 1500mm / 2000mm (optional) |
| Adjustable range of spacing between screening shafts | 10 - 80mm |
| Speed range of screening shafts | 5 - 25 rpm (Variable - frequency speed regulation) |
| Power of driving motor (single shaft) | 1.5 - 3 kW (Selected according to material density) |
| Processing capacity (reference) | 5 - 50 t/h (Depending on the number of screening shafts and material properties) |
| Maximum moisture content of applicable materials | ≤30% |
| Maximum mud content of applicable materials | ≤40% |
| Total weight of the machine (6 - shaft configuration) | Approximately 2800 kg |
| Overall dimensions (Length × Width × Height) | 3500×1800×2200 mm (6 - shaft) |
Product advantages and application scenarios
- High adaptability: According to the characteristics of different materials such as wet soil, wet stone, construction waste, and slime, the number of screening shafts can be increased or decreased on - site, or the spacing can be adjusted. One set of equipment can cover various working conditions, reducing equipment idleness.
- Low maintenance cost: The modular design allows a single screening shaft to be independently disassembled and replaced without overall shutdown for welding. The shaft body of the screening shaft is made of wear - resistant alloy steel with surface hardening treatment, which prolongs its service life.
- Anti - clogging design: With the automatic screen cleaning mechanism, even in a clay environment with a moisture content of 25%, it can maintain a screening efficiency of over 80%, greatly reducing the frequency of manual cleaning.
- Energy - saving and environment - friendly: The variable frequency motor matches the load demand, and the energy consumption of the whole machine is reduced by about 15% compared with traditional vibrating screens. The enclosed screen box design reduces dust overflow and meets environmental protection requirements.
- Easy to install: The whole machine has been assembled and debugged before leaving the factory. On-site, you only need to connect the power supply and fix the foundation to start production. Customers can choose horizontal or inclined installation according to the site conditions (the inclination angle is 0-15°).
This equipment is widely used in scenarios such as municipal sludge pretreatment, river dredging soil and stone separation, construction waste recycled aggregate screening, mine tailings dry discharge, and ceramic raw material mud removal. Especially in working conditions with high wet soil content where traditional screening equipment cannot operate normally, the modular soil separator shows significant advantages.
Trust endorsement and company strength
Since its establishment, Xingtai Guansheng Machinery Manufacturing Factory has been focused on the research, development, and manufacturing of construction machinery and food machinery. The factory is equipped with advanced equipment such as CNC machining centers and welding robots to ensure the machining accuracy of parts. Mr. Jia Shengen, the investor, leads the technical team to deeply engage in the industry for more than ten years, accumulating rich practical experience in wet soil screening. Our factory adheres to the customized service concept of "oriented by customer needs" and has provided equipment for many sand and gravel enterprises and environmental protection engineering companies in Hebei, Shanxi, Inner Mongolia and other places and won good reviews. Each piece of equipment undergoes a 72 - hour continuous material - feeding test run before leaving the factory to ensure the promised processing capacity and screening effect.
We are well aware that the wet soil screening environment is complex, and unified parameters cannot meet all working conditions. Therefore, we provide free technical consultation and material analysis services - you only need to send the sample of the material to be processed to our factory or provide basic parameters (moisture content, mud content, particle size distribution), and our engineers can recommend the most suitable configuration of the number and spacing of screen shafts for you and issue a targeted plan. We do not use the "lowest price" as a means of competition, but win the trust of customers with "actual results".
FAQ (Frequently Asked Questions)
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Question: Do the motor parameters need to be readjusted after increasing or decreasing the screen shafts of the modular soil separator?
Answer: Yes. For each increase or decrease of one screen shaft, its corresponding drive motor needs to be connected to the control cabinet, and the total power protection parameters need to be reset through the frequency converter. Our factory provides detailed wiring instructions and can also provide remote guidance for debugging. It is recommended that customers contact our technical staff when increasing or decreasing screen shafts to ensure the matching of the electrical system. -
Question: Can the equipment work normally when the mud content of the material exceeds 40%?
Answer: When the mud content exceeds 40%, the fluidity of the material drops sharply, and the screening difficulty increases significantly. At this time, it is recommended to add a pre - crushing or water - adding mixing and viscosity - reducing process before feeding, or select the high - pressure mud - stone separator supporting our factory. This equipment performs best when the mud content is ≤40%. -
Question: How to handle the change in the particle size of the undersize material after adjusting the spacing between the screening shafts?
Answer: When the spacing increases, the upper limit of the particle size of the undersize material increases, and vice versa. If the customer has strict requirements for the particle size of the undersize material, it is recommended to determine the spacing value through experiments first. Our factory can provide test run reports with different spacings to help customers find the best balance point. -
Question: What should I do if the screening shaft gets stuck or makes abnormal noises during the operation of the equipment?
Answer: First, check whether there are hard objects such as metal blocks stuck in the gaps of the screening shaft. If so, stop the machine and clean it. Second, check the lubrication of the bearing seat. It is recommended to add lithium - based grease every 200 working hours. If the abnormal noise persists, it may be due to the wear of the reducer gears. You need to contact the after - sales service to replace the spare parts. -
Question: Can this equipment be used for screening wet coal slime or coal gangue?
Answer: Yes. However, it should be noted that coal slime is prone to swelling when it meets water. It is recommended to set the spacing between the screening shafts above 20mm, appropriately reduce the rotation speed (8 - 12rpm), and increase the frequency of automatic screen cleaning. Our factory has cases of coal slime screening for reference. -
Question: How long is the warranty period for the whole equipment? What are the wearing parts?
Answer: The warranty period for the whole equipment is 12 months (starting from the date of delivery). The wearing parts include the screening shaft paddles, scrapers, and bearing seat seals. The service life of these parts is about 6 - 12 months under normal use. We provide them at cost price. It should be specially noted that the damage caused by improper human operation or over - load operation is not covered by the warranty. -
Question: Is guidance provided for transportation and installation?
Answer: The equipment is packed in wooden boxes or iron frames when leaving the factory, and is equipped with English - Chinese versions of the installation drawings. We provide free online installation guidance. If necessary, we can dispatch engineers to the site (travel expenses need to be reimbursed). It is recommended that customers prepare a steel plate foundation base with a thickness of 12mm in advance, and the installation level error should not exceed 3mm.
If you are looking for a device that can flexibly handle the screening problems of wet soil and stone materials, welcome to contact Xingtai Guansheng Machinery Manufacturing Factory. We will provide full - process suggestions from screening shaft configuration to site layout according to your actual working conditions, helping you obtain stable screening output with reasonable investment.
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