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FHG 0.8
BOEEP
FHG
Sourcing directly from an established manufacturing facility ensures you receive a high-performance Automatic Wastewater Coarse Screen with Trash Rake designed for rigorous dregs removal. Engineered for large to middle-scale water supply and drainage projects, this pre-treatment equipment effectively intercepts and extracts substantial floating debris.
Direct factory engineering for municipal and industrial applications
Continuous solid-liquid separation with high extraction efficiency
Customizable dimensions to fit specific channel requirements
The Automatic Wastewater Coarse Screen with Trash Rake stands as the primary line of defense in modern water treatment facilities, hydropower stations, and municipal pumping networks. When standing beside the channel, operators will notice the steady, rhythmic hum of the rotational drive system as it meticulously pulls the heavy-duty traction chain. The robust metallic construction exudes industrial reliability, featuring precision-cut steel components that gleam slightly under facility lighting, even in damp, highly corrosive environments. As the wastewater flows through the channel, the sturdy main grid acts as an impenetrable barrier to large, disruptive objects like saturated woodchips, entangled weeds, dense plastic waste, and heavy branches.
Instead of relying on manual clearing, this advanced mechanism utilizes an underwater guide wheel that smoothly redirects the toothed harrows to the bottom front of the grid. With a firm, mechanical grip, the harrows seize the intercepted dregs, lifting them vertically along the slag retaining plate. The tactile sensation of the smooth, anti-corrosive finish on the structural frame highlights the meticulous craftsmanship designed to withstand decades of continuous moisture exposure. By automating the extraction of these massive floating solids, the equipment prevents downstream blockages, protects sensitive secondary pumps from catastrophic failure, and significantly elevates the overall operational efficiency of the entire drainage works.
Model | FHG0.8 (Customizable based on channel width) |
Screen type | Coarse screen |
Channel width | 800mm (Specific dimensions required upon ordering) |
Net width of device | 700mm |
Grid gap | 15-100mm |
Installation angle | α=75° (Default, customizable) |
Motor power | 1.5 kw |
Motor Protect level | IP55 |
Motor insulation level | F level |
Working time | 24 hours/day continuous or interval run |
Slag outlet height | Default 750mm (Customizable upon ordering) |
Grid height H1 | Default 2000mm (Customizable upon ordering) |
Material | Customized on demand |
Control System | PLC automatic control and overload protection supported |
Investing in a highly engineered coarse screening system transforms the way facility managers handle initial wastewater influx. By integrating intelligent mechanical movements with heavy-duty materials, this equipment drastically reduces the need for manual channel clearing, keeping your workforce safe from hazardous water conditions while maintaining uninterrupted flow rates.
Complete Machine Delivery: Arrives fully assembled, allowing your installation team to simply lower it into the pre-set channel, drastically cutting down on site construction time and labor expenses.
Continuous Interception: The automated rotational system prevents the sudden accumulation of massive rubbish, ensuring the screen remains permeable even during peak storm surges or high-discharge industrial cycles.
High Separation Efficiency: Thoroughly seizes and lifts dregs from the absolute bottom of the channel to the top discharge point, leaving no residual waste to decay or block subsequent filtration stages.
Versatile Integration: Seamlessly drops extracted garbage directly into secondary conveyors or waiting transport trucks, creating a closed-loop waste management ecosystem on your site.
Project contractors and facility engineers require equipment that strictly aligns with the unique volumetric demands of their sites. This coarse screen is engineered with flexible dimensional parameters to handle massive liquid throughput while isolating disruptive solids without bottlenecking the flow.
Adaptable Grid Gaps (15-100mm): Allows operators to target specific debris profiles, from medium-sized municipal household waste to massive branches in hydropower intakes, ensuring optimal flow dynamics.
High-Volume Channel Compatibility: With a baseline channel width of 800mm and a device net width of 700mm, the framework is built to process heavy influent loads typical of middle to large-scale drainage works.
Customizable Discharge Heights: The default 750mm slag outlet height can be tailored to match the exact elevation of your existing conveyor systems, eliminating the need for expensive structural modifications.
Optimized Installation Angle: The standard 75-degree tilt provides the perfect gravitational balance, allowing water to pass through swiftly while preventing heavy, wet debris from slipping back into the channel during the lifting phase.
Wastewater environments are notoriously hostile, filled with acidic compounds, industrial chemicals, and constant moisture that rapidly degrade standard metals. Recognizing the critical need for longevity, this screening equipment is fabricated with customized, high-grade materials to ensure structural integrity over decades of relentless operation.
Tailored Alloy Selection: Depending on your specific effluent profile, the main grid, rack, and traction chain can be forged from premium anti-corrosive metals, actively resisting oxidation and chemical pitting.
Robust Underwater Components: The underwater guide wheels and bottom-seating mechanisms are sealed and treated to withstand continuous submersion in highly abrasive, grit-filled sewage without seizing or rusting.
Tactile Durability: The heavy-duty slag retaining plates and toothed harrows feature a smooth, hardened finish that not only resists physical impacts from heavy logs but also prevents sticky, foul-smelling sludge from adhering to the surfaces.
Extended Lifecycle Value: By utilizing materials that inherently fight degradation, facility operators experience a drastic reduction in replacement cycles, maximizing the return on capital investment.
Incomplete cleaning and grid blockages are the most persistent pain points in pre-treatment works. This machine tackles these issues head-on with a meticulously calculated mechanical geometry that guarantees a perpetually clear flow path, eliminating the sound of straining pumps struggling against blocked intakes.
Isometric Distribution Toothed Harrow: The precision-spaced teeth perfectly interlock with the main grid, scraping the exact contours of the bars to dislodge deeply wedged plastics, textiles, and fibrous weeds that ordinary screens miss.
Intelligent Directional Change: The specialized underwater guide wheel smoothly transitions the traction chain from the back to the front of the grid at the channel's base, ensuring the harrows scoop underneath the settled debris rather than just skimming the top.
Continuous Self-Cleaning Cycle: As the rotational system drives the harrows upward, the synchronized movement creates a continuous lifting action, preventing large surges of rubbish from binding together and blinding the screen.
Secure Slag Retention: A dedicated slag retaining plate works in tandem with the lifting harrows, creating an enclosed channel that securely holds wet, slippery trash until it reaches the discharge apex.
Modern plant managers demand equipment that operates autonomously while safeguarding itself against unpredictable field anomalies. This coarse screen is driven by an intelligent, ruggedized electrical architecture that minimizes human intervention and drastically lowers the risk of catastrophic mechanical failure.
24/7 Uninterrupted Operation: Engineered to run continuously or on programmed interval cycles, adapting seamlessly to fluctuating diurnal flow rates without requiring manual start-stop commands.
IP55 Protected Motor: The 1.5 kw driving motor is heavily shielded against dust ingress and low-pressure water jets, ensuring reliable power delivery even in damp, splashing pump station environments.
Class F Insulation: The motor's internal windings are rated for high thermal endurance, preventing overheating during prolonged periods of heavy lifting under maximum load conditions.
Advanced PLC Integration: Fully compatible with centralized Programmable Logic Controllers, allowing remote monitoring and automated synchronization with downstream pumps.
Overload Protection Mechanism: Instantly detects abnormal resistance, triggering an automatic shutdown and alarm to protect the traction chain and motor from shearing forces.
Minimizing site downtime during upgrades and keeping daily operational expenditures low are critical priorities for engineering contractors. The structural architecture of this equipment is specifically optimized for rapid deployment and effortless routine servicing.
Drop-in Ready Frame: Shipped as a complete machine, the unified rack design allows installation crews to hoist and position the entire unit into the pre-cast channel in a single operation, bypassing complex on-site assembly.
Zero Auxiliary Wash Water: Unlike fine screens that require high-pressure spray bars, the mechanical scraping action of the toothed harrows cleans the grid completely dry, saving thousands of gallons of clean water annually.
Accessible Drive Components: The primary rotational system and motor are situated well above the high-water mark, allowing maintenance personnel to perform routine lubrication and inspections comfortably from the ground level without draining the channel.
Wear-Resistant Traction System: The heavy-duty chains and sprockets are designed to tolerate high tension and grit exposure, requiring only basic periodic tensioning rather than frequent, costly parts replacements.
No two water infrastructure projects are exactly alike. Recognizing the vast differences in channel topographies and effluent compositions, this screening platform offers extensive customization options to serve as a tailored solution for diverse industrial and municipal environments.
Municipal Wastewater Treatment: Ideal for the primary intake channels of city sewage plants, effectively removing household waste, sanitary products, and street runoff debris before they damage delicate pumps.
Hydropower Station Intakes: Built robustly enough to intercept heavy branches, submerged wood, and massive weed clusters that threaten to impact turbine efficiency in river-fed power facilities.
Industrial Effluent Management: Highly adaptable for factories producing large solid byproducts, such as paper mills or textile plants, where customized anti-corrosive materials are essential.
Comprehensive Ordering Flexibility: Buyers can specify exact parameters prior to ordering, including channel width (B), channel depth (H), custom installation angles, and specific discharge heights to match existing infrastructure.
Ecosystem Integration: Pre-set steel plates, auxiliary components, and complementary conveying devices can be independently specified to create a complete, end-to-end dregs removal system.
Procuring heavy-duty environmental equipment requires a partnership built on engineering excellence, proven reliability, and deep industry expertise. We focus on delivering tangible value through superior manufacturing standards and rigorous quality control, ensuring your infrastructure projects succeed from day one.
Precision Manufacturing: Every coarse screen is fabricated in state-of-the-art facilities, utilizing advanced laser cutting and automated welding to ensure absolute dimensional accuracy and structural rigidity.
Stringent Quality Assurance: Before leaving the factory floor, each unit undergoes comprehensive mechanical load testing and electrical safety checks to guarantee flawless performance upon arrival at your site.
Expert Engineering Support: Our dedicated technical teams review your specific channel dimensions and flow rates, providing professional guidance to ensure the customized equipment perfectly aligns with your operational goals.
Long-Term Reliability: By prioritizing heavy-duty materials and intelligent anti-clogging designs, we deliver solutions that consistently lower your total cost of ownership through reduced maintenance and extended lifespans.
Global Logistics Competence: We possess the logistical infrastructure to securely package and transport massive complete machines to project sites worldwide, ensuring on-time delivery for critical construction schedules.
To assist engineering teams and procurement managers in their evaluation process, we have compiled detailed answers to the most critical technical inquiries regarding our automatic coarse screening equipment.
What specific dimensions must be provided before placing an order?
To ensure a perfect fit, you must provide the exact channel width (B), channel depth (H), desired installation angle, and the required discharge height. If not specified, we default to a 750mm slag outlet height, a 75-degree installation angle, and a 2000mm grid height (H1).
Can the equipment handle highly corrosive industrial wastewater?
Yes. The main structural materials can be customized upon request. For highly corrosive environments, we typically recommend utilizing high-grade stainless steel or applying specialized anti-corrosive coatings to carbon steel components.
How does the overload protection system function in the event of a jam?
The integrated PLC control system continuously monitors motor torque. If the toothed harrows encounter an immovable object that causes a sudden spike in resistance, the system will automatically halt the motor and trigger an alarm, preventing mechanical shearing or motor burnout.
Does the machine require a secondary water supply for cleaning?
No. The isometric distribution toothed harrows are mechanically designed to scrape the grid gaps completely clean. This dry-cleaning mechanism eliminates the need for auxiliary high-pressure wash water, reducing both water consumption and operational complexity.
Are the auxiliary conveying devices included with the main screen?
The main unit includes the complete screening and lifting mechanism. Auxiliary equipment, such as pre-set steel plates, screw conveyors, and garbage compactors, are treated as independent modules and must be purchased separately to match your specific waste handling layout.
