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.
SENOTAY vibrating hammers—also known as rapping hammers or ESP rappers—are engineered to deliver precise, mechanical impact energy to electrostatic precipitator (ESP) discharge electrodes and collecting plates. By dropping or striking at preset intervals, these heavy-duty cast hammers fracture accumulated dust cakes, causing them to fall directly into the collection hoppers without disrupting the gas stream. Built to withstand continuous high-temperature exposure and abrasive dust environments, they eliminate localized particulate insulation and maximize ongoing ionization efficiency across power, cement, and smelting facilities.
Factory-Direct Pricing. Certified Quality. Dedicated Support.
We eliminate industrial trading intermediaries to supply factory-direct wholesale pricing straight from our automated sand-casting and heat-treatment lines. This direct engineering pipeline significantly lowers your procurement costs for complete rapping system retrofits.
Manufactured inside our ISO 9001 certified facility with full CE compliance, our vibrating hammers feature tight dimensional tolerances to match standard internal rapping shafts. Their heavy-duty construction prevents shaft binding, ensuring safe and continuous plant operations.
We treat fractured rapping components or jammed mechanical shafts as an absolute operational priority. To ensure your smoke abatement systems remain under strict environmental emission limits, standard hammer designs and custom industrial batch orders leave our logistics nodes within 48-72 hours.
Lifetime Technical Support: Direct engineering consultations covering rapping frequency optimization, shaft torque calculations, and custom hammer profiling.
Full System/Parts Availability: On-demand factory access to all corresponding internals, including rapping shafts, anvils, guide bearings, and high-voltage insulators.
Remote Troubleshooting: Swift technical assistance for diagnosing field anomalies, such as localized dust tracking, shaft misalignment, or mechanical shock loss.
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Why It Is Important for Industrial Electric Precipitation Accessories
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 |
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 |
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.
· 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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