A Vibrating Hammer (also known as an ESP Rapping Hammer or Tumbling Hammer) is a critical industrial device used in Electrostatic Precipitators (ESPs) and other dust collection systems. It delivers controlled, high-intensity mechanical impacts to the collection plates or electrodes, dislodging accumulated dust particles so they fall into the hopper for removal. This process is essential for maintaining the efficiency and continuous operation of air pollution control systems.
A Vibrating Hammer is a key component in an Electrostatic Precipitator (ESP) system. It operates as a mechanical rapping device that delivers controlled vibrations or impacts to remove dust particles adhering to collecting plates and discharge electrodes. The hammer transmits mechanical energy to the surfaces inside the ESP which dislodging accumulated dust and maintaining consistent collection efficiency.
This self-contained device utilizes precise vibrations or tumbling actions to clean the electrodes that ensuring the ESP system remains efficient and free-flowing without manual intervention.
An ESP Rapping Hammer (wich is also known as a Vibrating Hammer or Tumbling Hammer) that plays a crucial role in the cleaning process of industrial electrostatic precipitators. It converts rotational or vibrational energy into impact force at regular intervals that effectively knocking off the dust from the electrodes.
ESP Rapping Hammer:which is Commonly used to strike collecting or discharge electrodes.
ESP Vibrating Hammer: That model is Uses high-frequency vibrations for gentler dust removal.
Tumbling Hammer: It Rotates and releases impact through balance weight motion for wider cleaning coverage.
These variations ensure complete and efficient cleaning across different ESP designs and environmental conditions.
In industrial ESP systems the Vibrating Hammer is indispensable. Without a proper rapping system, dust layers accumulate on collecting plates, reducing efficiency, increasing energy consumption and eventually causing system malfunction.
A reliable ESP Rapping Hammer ensures:
Continuous discharge and collecting electrode cleaning.
Prevents re-entrainment of dust.
Improves system efficiency and airflow.
Reduces manual cleaning and downtime.
Extends ESP lifespan.
Type No. | Model | Weight (kg) | Impact Force (N) | Frequency (Hz) | Material | Application Area |
VH-01 | Standard Type | 3.5 | 150 | 30 | Alloy Steel | Collecting Plate |
VH-02 | Compact Type | 2.8 | 120 | 35 | Carbon Steel | Discharge Electrode |
VH-03 | Heavy Duty | 5.0 | 180 | 25 | Alloy + Chrome Coating | Cement Plant ESP |
VH-04 | High-Frequency | 3.2 | 110 | 40 | Stainless Steel | Power Plant ESP |
VH-05 | Tumbling Type | 4.5 | 160 | 28 | Heat Treated Steel | Chemical Industry |
VH-06 | Adjustable Impact | 3.9 | 140 | 30 | Stainless Steel 316 | Metal Industry |
VH-07 | Rotary Rapping | 4.2 | 170 | 33 | Chrome Steel | Waste Incinerator |
VH-08 | Light-Duty | 2.5 | 90 | 45 | Alloy Steel | Food Dust Collection |
VH-09 | Anti-Corrosive | 4.0 | 150 | 32 | Coated SS310 | Petrochemical Plant |
VH-10 | Custom Design | 4.8 | Variable | 20–40 | Alloy + Nickel Finish | Multi-industry Use |
Material Properties of ESP Vibrating Hammer
Our Vibrating Hammers are engineered from high-strength and wear-resistant materials to endure continuous mechanical impact and extreme temperature conditions.
Common materials include:
Alloy Steel Body: It is for superior mechanical strength.
High Carbon Steel Shaft: Steel which ensures rotational stability and impact resistance.
Hardened Tool Steel Hammer Head: It can maintains shape during repetitive impact.
Anti-corrosive Nickel/Chrome Coatings: Coating Is for longevity and stability in harsh environmental conditions.
All materials undergo precision machining, heat treatment and balanced testing before assembly.
High-frequency impact efficiency for continuous cleaning.
Low maintenance operation due to rugged durability.
Corrosion- and temperature-resistant material construction.
Precision-balanced hammer design ensures even distribution of force.
Energy-efficient electromotive system for sustainable operation.
Customizable impact strength and duration as per ESP model requirements.
Technical Specifications: Hydraulic Vibrating Hammer Model VH-45
Specification Category | Detailed Metric | Performance Data | Operating Parameters | Compatibility & Physical Specs |
Core Impact Energy | 1,250 Joules per blow | Blow Frequency: 950 - 1,200 blows/minute | Operating Pressure: 160 - 180 Bar | Carrier Weight Class: 18 - 28 Ton Excavators |
Hydraulic Flow Requirement | 110 - 140 Liters/minute | Oil Flow Range: 90 - 160 L/min | System Back Pressure: < 25 Bar | Connection Interface: 100 mm Pin Diameter |
Vibration Frequency | 1,500 RPM (Variable) | Maximum Force Output: 25,000 N | Recommended Oil Temp: 50° - 65° C | Total Weight: 485 kg |
Noise Level at 7m | 72 dB(A) | Sound Power Level: 108 dB(A) | Ambient Temp Range: -20° to 60° C | Length: 1,850 mm |
Excavator Hydraulic Kit | 19 mm Hose (2x) | Required Kit Pressure: 250 Bar minimum | Pilot Pressure (if applicable): 40 Bar | Width: 380 mm |
Compatible Tool Diameters | 100 - 250 mm | Standard Tool Shank: F60 (68mm) | Tool Retension Force: 12,000 N | Mounting Bracket: Custom to carrier |
Construction & Durability | High-Strength Steel Body | Piston Material: Carburized Alloy Steel | External Coating: 2-Part Epoxy Paint | IP Rating: IP67 (Dust/Water Proof) |
Service Intervals | 500 Hours (Greasing) | Oil Filter Grade: 10 Micron | Reservoir Volume: 2.5 Liters | Warranty Period: 2 Years or 2,000 Hours |
Primary Applications | Trench Compaction, Sheet Piling, Demolition | Soil Types: Sand, Clay, Gravel | Demolition Strength: Up to 2,000 PSI Concrete | Available Attachments: Moil Point, Chisel, Compaction Plate |
Certifications & Standards | ISO 9001, CE, ROHS | Emissions: Stage V Compliant | Safety Standards: EN 791:2019 | Transport Dimensions: 1850 x 380 x 450 mm |
Unlike other cleaning accessories in an ESP, the Rapping Hammer directly controls the system’s cleaning cycle and particulate removal efficiency. Its advanced design features make it unique:
Adjustable striking intervals providing controlled vibration frequencies.
Minimal secondary dust release due to optimized impact motion.
Compact structure suitable for confined installations.
Superior balance and smooth operation enhancing ESP reliability.
Custom adaptation for both collecting and emitting electrode rapping systems.
· Density: 7.85 g/cm³ (steel components), 2.7 g/cm³ (aluminum housings).
· Thermal expansion coefficient: 11.7 × 10⁻⁶/K (steel), 23.6 × 10⁻⁶/K (aluminum).
· Operating weight range: 2.5 kg to 75 kg depending on model and application.
· Impact surface hardness: 50-58 HRC (heat-treated striking surfaces).
· Corrosion resistance rating: ASTM B117 salt spray test >1000 hours for stainless variants.
· Vibration damping coefficient: 0.15-0.35 (depending on mounting configuration).
· Electrical insulation properties: >100 MΩ at 500V DC for safety-critical components.
Vibrating Hammers (ESP Rapping Hammers) are used in industrial electrostatic precipitators for the removal of dust layers adhering to collecting electrodes and discharge wires.
They provide efficient cleaning for:
· ESP collecting surfaces.
· Gas paths and discharge rods.
· Dust-laden zones and hopper systems.
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