The negative (positive) rapping hammers produced by Xiangye are the core actuating components of the electrostatic precipitator (ESP) rapping and dust-cleaning system, catering to the dust-cleaning requirements of the cathode system (discharge electrodes) and anode system (collecting plates), respectively. Through periodic mechanical rapping, they dislodge the dust adhered to the electrode surfaces into the hopper, directly impacting the dust removal efficiency and operational stability of the precipitator.

 I. Core Differences and Adaptability of Negative (Positive) Rapping Hammers The structure, material, and stress characteristics of the cathode system (discharge electrodes) and anode system (collecting plates) differ significantly. Therefore, negative and positive rapping hammers must be specifically designed for compatibility. The core differences are as follows: Comparison Dimension Negative Rapping Hammer Positive Rapping Hammer Compatible Electrode Cathode discharge electrodes (e.g., spike wires, fishbone wires, spiral wires, etc.) Anode collecting plates (e.g., flat plates, C-type plates, Z-type plates, etc.) Core Function Remove dust from discharge electrode surfaces to prevent "nodule formation" that reduces discharge performance Remove dust layers from collecting plate surfaces to prevent accumulation that affects dust collection efficiency Rapping Force Moderate to low (discharge electrodes are thin and less rigid; excessive force may cause breakage) Higher force (collecting plates have large areas and high rigidity; sufficient force is needed to dislodge dust) Structural Features Lighter hammer body; hammer head often rounded or blunt to minimize impact damage Heavier hammer body; hammer head often flat or wedge-shaped to increase contact area Common Material 45# steel (heat-treated for strength and toughness) Q235B or 45# steel (cast or forged for enhanced wear resistance)

 II. Structural Composition of Negative (Positive) Rapping Hammers Although the rapping forces differ, the basic structure of negative and positive rapping hammers is consistent, comprising a "rapping hammer assembly" and "drive mating components" to ensure stable transmission of rapping force: 

Core Components 1. Hammer Head: The component that directly contacts the electrode (discharge electrode/collecting plate); its shape and mass determine the rapping force and transmission efficiency. ? Cathode Hammer Head: Typically round or oval with a smooth contact surface to avoid scratching discharge electrodes; mass usually 0.5-2kg. ? Anode Hammer Head: Typically rectangular or trapezoidal with a flat or slightly angled contact surface for tight fit with collecting plates; mass usually 2-5kg. 2. Hammer Handle: The intermediate part connecting the hammer head to the rapping shaft, acting as a lever; length designed based on rapping radius (typically 200-500mm); material same as hammer head, sometimes welded or integrally forged. 3. Sleeve (Keyway): The connection point at the end of the hammer handle and the rapping shaft, secured via key connection or set bolts to ensure synchronous movement with the rapping shaft without relative slippage.