Heat Exchanger External Automatic Blasting Machine

 

The automatic external heat exchanger cleaning machine replaces manual labor with mechanization and empirical experience with precise control. It not only addresses the inefficiency, extensiveness, and high-risk of manual cleaning, but also enhances the convenience of operation and maintenance through intelligent technology. Ultimately, it helps companies achieve their goals of stabilizing heat exchanger efficiency, extending equipment life, and reducing overall costs. Especially with industrial production increasingly demanding continuous operation and energy conservation and consumption reduction, this device has become a standard tool for heat exchanger operation and maintenance in industries such as chemical, power, and refrigeration.

 

1. Core Components of the Equipment: Multiple Systems Collaborate to Achieve Automated Cleaning
The automatic high-pressure cleaning device for heat exchanger exterior walls is not a single device. Instead, it consists of four major modules: a high-pressure power system, a mechanical actuator system, an intelligent control system, and an auxiliary system. These modules work together to ensure the automation and precision of the cleaning process:

System Modules	Core Components	Main Functions
High-Pressure Power System	High-Pressure Piston Pump, Motor/Diesel Engine, Pressure Regulating Valve	Piston Pump, Motor/Diesel Engine, Pressure Regulating Valve | Provides high-pressure water flow (50-150 MPa, 50-100 Lpm), serving as the "power source" for cleaning. The pressure stabilizing valve ensures stable, non-fluctuating water pressure.
Mechanical Actuation System	Robotic Arm/Track, Rotating Nozzle, Adaptive Bracket	Drives precise nozzle movement: The robotic arm/track achieves three-dimensional movement (up/down/left/right/forward/backward); the rotating nozzle produces fan-shaped/conical water jets; and the adaptive bracket accommodates heat exchangers of varying sizes.
Intelligent Control System	PLC controller, touch screen, sensors (pressure/position)	Preset cleaning programs (e.g., path, water pressure, duration), real-time monitoring of water pressure and nozzle position, enabling "one-touch start" and "auto reset," and supporting fault alarms (e.g., insufficient water pressure, nozzle clog).
Auxiliary System	Water Tank, Filter, Wastewater Recovery Device	The water tank provides clean water; the filter removes impurities (to prevent nozzle clogging); the wastewater recovery device collects wastewater, reducing environmental pollution.

 

2. Core Advantages: A Revolutionary Improvement Compared to Traditional Cleaning

Traditionally, cleaning the exterior of heat exchangers relies on manual high-pressure water jets or chemical pickling. Automatic high-pressure cleaning devices offer comprehensive advantages in terms of efficiency, effectiveness, safety, and cost-effectiveness. Specific advantages are as follows:

The automatic heat exchanger cleaning system is a practical and convenient system that can be paired with a variety of automation systems. The system can control, efficiently and safely clean the inner diameter of heat exchanger tubes. The automatic heat exchanger cleaning System can also be paired with other high-pressure nozzles for tube sheet cleaning and surface preparation. It is specially designed to be modular, lightweight, easy to install and scalable for various exchanger sizes or configurations.

 

A. High Cleaning Efficiency, Significantly Saving Labor Costs
Fully Automated Operation: No manual water jet operation is required. Preset programs allow for continuous cleaning of multiple heat exchangers. The cleaning time for a single finned heat exchanger (10 m2) is reduced from 4-6 hours to 30-60 minutes, a 6-8 times improvement in efficiency.
Batch Standardized Cleaning: Reusable cleaning procedures can be used for the same model of heat exchanger, eliminating the efficiency fluctuations associated with manual operation. This makes it particularly suitable for centralized maintenance of multiple heat exchangers in a factory.

 

B. Excellent cleaning results, ensuring stable heat exchange efficiency
Precise scale removal with high-pressure water jets: High-pressure water jets of 50-150 MPa penetrate stubborn scale deposits (such as carbonate scale, oil stains, and dust buildup) between fins and tube gaps. After cleaning, the heat exchanger's exterior cleanliness can reach over 95%, restoring heat exchange efficiency to 90%-98% of new equipment (traditional manual cleaning only achieves 60%-80% cleanliness).
No-Blind-Angle Coverage: A robotic arm drives a rotating nozzle for 360° cleaning, particularly addressing difficult-to-reach blind spots such as deep fins and the bottom of tube banks.
Non-Destructive Physical Cleaning: Compared to chemical pickling, which can corrode the heat exchanger's metal exterior and leave residual chemicals, high-pressure water jets are purely physical cleaning methods that do not damage heat exchanger materials like stainless steel and carbon steel, extending equipment life.

3. High-Pressure System Parameters
A. Working Pressure: Conventional 50-150 MPa
B. Flow Rate: 50-100 Lpm (the higher the flow rate, the faster the cleaning speed; 100 Lpm is recommended for large heat exchangers);
Power Source: Electric motor (suitable for fixed sites) or diesel engine (suitable for mobile operations).

C. Mechanical Actuator System Parameters
D. Cleaning Range: The maximum stroke of the robotic arm (e.g., 1.5-3 meters vertically, 2-4 meters horizontally) must cover the entire heat exchanger dimensions;
E. Nozzle Type: Rotating fan nozzle (suitable for large-area cleaning), rotating cone nozzle (suitable for deep-drying scale removal);
Compatible Size: The minimum/maximum clamping width of the adjustable bracket (e.g., 0.5-2 meters, to accommodate heat exchangers of varying diameters/widths) is acceptable.

 

4. Control System Parameters
a. Control Mode: PLC automatic control (supports pre-programmed functions) + manual control (for emergency adjustments);
b. Linkage Function: Whether it can be linked to the heat exchanger's "stop/start" signal (enabling a fully automated cleaning process);
c. Data Logging: Whether it can store cleaning logs (such as cleaning time, water pressure, and number of times) to facilitate equipment maintenance and management.

 

 

 

With decades of experience in manufacturing industrial cleaning equipment, we know that there are certain "problem" equipment in manufacturing plants, power plants and other facilities across the country. Because they are installed in a way that makes it extremely difficult to access them, these equipment are rarely thoroughly cleaned. This industrial pipe automatic cleaning system can achieve thorough cleaning of industrial heat exchangers and condensers that have been fouled for many years

 

The core value of the automatic high-pressure cleaning system for heat exchanger exterior walls is to replace manual labor with automation and chemical cleaning with physical cleaning. Through the coordinated efforts of multiple systems, it achieves the cleaning goals of "efficiency, precision, safety, and environmental protection." Its advantages lie not only in short-term labor and consumables cost savings, but also in long-term heat exchange efficiency and extended equipment life, providing critical support for stable industrial operations. In line with the current industry trend of "energy conservation, consumption reduction, and green production," this system has become a core component of heat exchanger maintenance.

 

 

Model	GYB-5 1500/90
Pump Speed	366 rpm
High pressure pump	Adopts Germany WOMA techonolgy
	Pump head material: Stainelss steel
	Variable frequency motor drive
	Remote control start and stop
	Variable frequency motor drive
Rate Pressure	1500 bar /22000 psi
Water flow	90L/min
Plunger dia.	22mm
Electric motor drive	250kw, 3 phase
Diesel engine drive	350kw, 6-cylinder

 

 

 

1. Heat exchanger cleaning;

2. Condenser tube cleaning;

4. Industrial pipe/tank cleaning;

5. Boiler tank cleaning.

 

 

 

 

 

1. Packing: Plywood packing

2. Shipping way: suggest deliver by sea

3. Delivery port: Qingdao Port; or deliver to any port you need

 

 

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