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Fire Grate Bars for Refuse Incinerator

XinRuiJi is a renowned manufacturer and supplier of fire grate bars for refuse incinerators in China. As an industry leader, we offer an extensive selection of fire grate bars tailored to meet various needs. Our high-quality fire grate bars ensure optimal performance and durability in incineration processes. Explore our product range and contact us now for inquiries!
 
Model NO.  zf491
After-sales Service:Yes
Warranty:1 Year
Condition:New
Semi-Automatic
Multi-Screw
Treatment:Burning
Transport Package:Wood Case
Specification:400mm*200mm*50mm
Availability:
Quantity:
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Product Specifications

ParameterDetails
MaterialsHeat-resistant steel, cast iron, low carbon steel, cast steel, alloy steel, high chromium iron.
Material StandardsASTM, AISI, ASME, SAE, NF EN, DIN EN, ISO, BS EN, SS.
DimensionsCommon size: 500mm × 150mm × 100mm. Custom sizes available based on requirements.
Dimension AccuracyPrecision measured using calipers, micrometers, coordinate measuring machines, and other tools.

Surface Treatment

Galvanizing, blackening, nickel plating, chrome plating, rust-proof coatings, and anti-oil paint.
Heat TreatmentHigh-frequency quenching, carburizing quenching, oil quenching, water quenching, tempering, annealing.
Structure DesignConsists of a grate frame and grate slats arranged for efficient airflow and minimal ash blockage.
FunctionalitySupports and moves waste through incineration stages: drying, ignition, combustion, and burnout.
High Temperature ResistanceAble to withstand high temperatures without deformation during prolonged use.
Wear ResistanceExcellent durability to withstand wear from the abrasive nature of waste incineration.
Corrosion ResistanceResistant to corrosion from gases produced during the incineration process.

XinRuiJi offers high-quality fire grate bars for refuse incinerators. Our products are designed to withstand the toughest conditions in waste incineration.


Materials and Standards

The fire grate bars are made from durable materials like heat-resistant steel, cast iron, and alloy steel. Some models use special alloys like high-chromium iron and stainless steel for enhanced performance. They meet international standards such as ASTM, AISI, ISO, and DIN.


Dimensions and Customization

We provide a variety of sizes, with common dimensions like 500mm×150mm×100mm. Custom sizes are available based on specific customer needs. Our products are precisely manufactured using tools like calipers and coordinate measuring machines to ensure accuracy.


Surface Treatment

Our fire grate bars undergo surface treatments such as galvanizing, blackening, and nickel plating to increase durability. Additional coatings like anti-rust and anti-oil paints are applied for protection. We also use heat treatments like quenching and tempering to enhance hardness and resistance.


Design and Functionality

The grate bars consist of a frame and slats, designed for efficient airflow. Their layout helps avoid ash blockage, ensuring smooth operation. The bars support and move waste through the incineration stages, from drying to complete combustion.


Performance Characteristics

Our fire grate bars are built to handle high temperatures without deformation. They are also highly resistant to wear, increasing their lifespan. Additionally, the bars offer excellent corrosion resistance, protecting them from harsh gases in the incineration process.


Explore our range of fire grate bars for refuse incinerators and experience reliable performance. Contact XinRuiJi for more details!


Key Features of Fire Grate Bars for Refuse Incinerator

Fire Grate Bars for Refuse Incinerator come with the following features:


Material and Durability

  • High-Quality Materials: Made from heat-resistant steel, high-chromium iron, and high-nickel alloys. These materials ensure exceptional heat, corrosion, and wear resistance, providing long-lasting performance in harsh incineration environments.

  • High Strength Structure: Crafted with precision casting or machining processes, the grate bars possess high structural strength. They withstand the weight of waste and mechanical stress during incineration, ensuring stability and safety.


Combustion Efficiency

  • Optimized Air Distribution: The design includes efficient air channels that ensure uniform airflow through the waste layer. This promotes complete combustion, reduces unburned waste, and lowers processing costs and environmental impact.

  • Effective Stirring Action: The reciprocating or rotating motion of the grate bars helps stir the waste. This prevents clumping and ensures the waste progresses through drying, ignition, combustion, and burnout stages for full combustion.


Environmental Performance

  • Low Emissions Design: Due to high combustion efficiency, waste burns completely, reducing harmful emissions like carbon monoxide, nitrogen oxides, and dioxins. This helps meet environmental standards and reduces air pollution.

  • Odor Reduction: The optimized combustion process minimizes the generation of odors during incineration, improving the surrounding environment of incineration plants and reducing the impact on nearby residents.


Operation and Maintenance

  • High Automation: The system can be equipped with advanced control mechanisms for automatic reciprocating or rotating motion of the grate. This simplifies operation, ensures stability, and adjusts the movement speed based on waste type and feed rate.

  • Easy Maintenance: The design allows for easy disassembly and installation. When repairs or replacements are necessary, downtime is minimized. The high-quality surface treatments prevent rust and corrosion, reducing maintenance workload.


Adaptability and Flexibility

  • Handles Various Waste Types: Suitable for processing different waste types, including municipal, industrial, and medical waste. It can adapt to variations in moisture and calorific value, eliminating the need for extensive pre-treatment.

  • Customizable Options: The fire grate bars can be tailored to meet specific customer requirements, including size, shape, material, and performance. Customization ensures suitability for various applications and operational needs.


Production process for Fire Grate Bars for Refuse Incinerator

The production process for Fire Grate Bars for Refuse Incinerator includes the following steps:


1. Raw Material Preparation

  • Material Selection: Suitable refractory materials like fire clay and high-temperature resins are selected. Materials are purified to ensure quality.

  • Material Processing: Raw materials are dried, calcined, crushed, and classified to meet required particle size and purity.


2. Batch Mixing

  • Batching: Various materials are mixed in precise proportions to achieve the desired product properties.

  • Mixing: Advanced mixing equipment ensures uniform distribution of materials, ensuring consistent quality.


3. Molding

  • Molding Methods: Various molding techniques, such as pressing and casting, are used depending on product requirements.

  • Mold Usage: High-quality aluminum molds are employed to ensure dimensional accuracy and surface finish.


4. Firing

  • Firing Process: The molded products undergo high-temperature firing to achieve strength and heat resistance.

  • Firing Equipment: Products are fired in vertical or rotary kilns to achieve the proper sintering and densification.


5. Post-Treatment

  • Cooling and Sorting: Products are cooled and sorted to remove any defects or substandard items.

  • Surface Treatment: Surface treatments like galvanizing, blackening, nickel plating, or chrome plating are applied based on requirements.


6. Quality Control

  • Dimensional Inspection: Tools like calipers, micrometers, and coordinate measuring machines ensure precise dimensions.

  • Performance Testing: High-temperature, wear, and corrosion resistance tests are conducted to verify product standards.


7. Custom Production

  • Customization Needs: Processing steps like grinding, mixing, and molding are adjusted based on specific customer requirements.

  • 3D Printing: For complex shapes, 3D printing technology is used for customized production.


These production steps ensure the Fire Grate Bars for Refuse Incinerator meet high-quality and performance standards for waste incinerators.


Quality Control for Fire Grate Bars for Refuse Incinerator

The quality control process for the Fire Grate Bars for Refuse Incinerator includes the following steps:

Project Schedule

  • Ensures timely completion of all project phases, from production to delivery.

Technical Communication

  • Facilitates clear communication between all teams to address technical queries and resolve issues.

Pre-production Technical Clarification

  • Confirms technical details and requirements before starting the production process to avoid errors.

ITP (Inspection and Test Plan)

  • Defines the inspection and testing processes for quality assurance throughout the production.

NDT (Non-Destructive Testing) Chart

  • Documents the NDT methods used to ensure product integrity without damaging the material.

Groove Inspection

  • Checks the grooves for accuracy and alignment to ensure they meet design specifications.

Dimension Inspection

  • Verifies the dimensions of the product to ensure they meet required tolerances.

Raw Material Inspection

  • Inspects raw materials to confirm their suitability for the manufacturing process and product quality.

WPS/PQR Preparation

  • Prepares welding procedure specifications and qualification records to ensure proper welding techniques.

Fabrication Process

  • Monitors the fabrication process to ensure adherence to quality standards and specifications.

Shell Welds Inspection

  • Inspects welds on the shell for strength, uniformity, and defect-free surfaces.

Cutting Groove, Preheating and UT (Ultrasonic Testing)

  • Ensures groove cutting and preheating processes are accurate and conducts ultrasonic testing for material integrity.

Inspection Before/After Machining

  • Verifies the product condition before and after machining to detect any deviations or defects.

Hardness Inspection Certified by TVU

  • Conducts hardness testing, certified by TVU, to verify material hardness meets required standards.

Inspection for Trunnion Welding

  • Ensures proper welding of trunnion parts, checking for strength and accuracy.

Lifting Lug Dimension Inspection

  • Checks lifting lugs for correct dimensions to ensure proper handling and lifting during installation.

Welds Appearance Checking

  • Inspects the appearance of welds to ensure they are clean, smooth, and defect-free.

Third Party Examination

  • Involves independent third-party inspectors to verify product quality and adherence to standards.

Final Inspection

  • A thorough inspection of the final product to ensure it meets all quality and design specifications.

Minutes for Final Inspection

  • Documents the outcomes of the final inspection, ensuring all items are addressed and confirmed.

Inspection Document

  • Compiles all inspection records and results, maintaining traceability for quality assurance.

Painting and Packing

  • Verifies that painting and packing meet quality standards, ensuring protection during transportation.

Transportation

  • Ensures that products are transported securely, following proper protocols to prevent damage.

Project Summary

  • Summarizes the entire quality control process, outlining key actions and outcomes for the project.

These steps ensure the Fire Grate Bars for Refuse Incinerator meet the highest quality standards throughout production and delivery.

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