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06

2023-01

Uses of dry ice cleaning machines

Applications of Dry-Ice Cleaning: Industrial Molds Tire molds, rubber molds, polyurethane molds, polyethylene molds, PET molds, foam molds, injection molds, alloy die-casting molds, hot core boxes and cold core boxes used in casting—can remove residual resin, failed release coatings, carbonized films, oil stains, and clear blocked vent holes. After cleaning, molds appear bright and like new. Online cleaning eliminates the need to cool down or disassemble molds, thus avoiding the corrosion and damage caused by chemical cleaning methods, mechanical damage and scratches from mechanical cleaning methods, and precision degradation resulting from repeated assembly and disassembly. Most importantly, it removes the two most time-consuming steps—mold disassembly and waiting for the mold to cool down—thereby reducing downtime by approximately 80% to 95%. Petrochemical Industry Cleaning of main blowers, air compressors, smoke extractors, steam turbines, fans, and various types of heating furnaces and reactors to remove coke and carbon deposits. Cleaning polyvinyl chloride resin from heat exchangers; removing oil stains, rust, hydrocarbons, and surface contaminants from compressors, storage tanks, boilers, and other pressure vessels; cleaning reaction kettles and condensers; decontaminating complex machinery; and descaling furnace tubes. Food and Pharmaceutical Industries Successfully removes baked residues, gel-like substances, oil stains, and mixtures of raw materials before baking from ovens. Effectively cleans ovens, mixing and stirring equipment, conveyor belts, molded products, packaging equipment, oven racks, oven trays, containers, rollers, inner walls of freezers, biscuit oven bars, and more. Benefits of dry-ice cleaning: eliminates the use of harmful chemicals, avoids contact between production equipment and hazardous substances, and prevents secondary waste generation; inhibits or removes bacteria such as Salmonella and Listeria, providing more thorough disinfection and cleanliness; avoids damage to electronic equipment that can occur with water-jet cleaning; minimizes equipment disassembly; reduces downtime. Printing Industry Removing ink is often difficult, and accumulated ink on gears and guide rails can lead to poor print quality. Dry-ice cleaning effectively removes all kinds of oil-based and water-based inks and varnishes, cleaning oil stains, ink buildup, and dyes from gears, guide rails, and nozzles, while avoiding the discharge of hazardous waste and solutions and preventing personnel injuries caused by dangerous solvents. Power Industry: Can clean power boilers, condensers, and various heat exchangers; can directly clean live transformers (below 37KV), insulators, switchgear cabinets, wires, and cables under load; cleans generators, motors, rotors, stators, and other components without damaging them; removes rust, hydrocarbons, and sticky powders from turbine blades and impellers without having to disassemble the blades, saving time and effort required for re-balancing. Automotive Industry Cleaning door panels, roofs, interiors, underbodies, and other areas without leaving water marks or causing water pollution; cleaning carburetors and removing paint from car surfaces; removing engine carbon deposits. Chemical treatments for carbon deposits typically take at least 48 hours and involve toxic substances. Dry-ice cleaning can completely solve carbon-deposit problems within 10 minutes, saving time and reducing costs, with a 100% removal rate. Electronics Industry Cleaning internal grease and dirt from robots and automated equipment; removing solder paste, contaminated coatings, resins, solvent-based coatings, protective layers, and photoresist from printed circuit boards. Aerospace Industry Pre-treatment processes for missile and aircraft painting and final assembly; removing paint from composite molds and special aircraft components; cleaning engine carbon deposits; maintenance cleaning (especially landing gear and wheel well areas); removing paint from aircraft exteriors; cleaning jet engine conversion systems. Can be performed directly on the aircraft structure, saving time. Shipbuilding Industry Cleaning ship hulls, seawater intake valves, seawater condensers and heat exchangers, engine rooms, mechanical and electrical equipment—cleaner than conventional high-pressure water jet cleaning. Nuclear Industry If traditional cleaning methods such as water, sandblasting, or chemical agents are used to clean nuclear equipment, these media themselves become contaminated with radioactive elements. Handling these secondarily contaminated media requires both time and financial resources. In contrast, dry-ice cleaning uses dry-ice particles that are directly sprayed onto the object being cleaned, sublimating instantly, thus eliminating the risk of secondary contamination. The only waste requiring disposal is the nuclear-contaminated debris removed during cleaning. General Manufacturing Industry Cleaning oil stains, paints, inks, adhesives, carbon deposits, asphalt, surface rust, industrial fans, welding slag, electroplating coatings, and more. Other industries and fields.

2023-01-06

06

2023-01

Performance of accessories shared by explosion-proof vacuum cleaners

In dust-handling operations conducted under high-efficiency working conditions, the structural design and performance of explosion-proof vacuum cleaners are of paramount importance. In the food industry, where large amounts of dust are generated, blockages in pipelines can easily occur, preventing normal dust collection. Therefore, the component design of these devices incorporates specific installation and processing features that enhance their long-term operational advantages. First, regarding the explosion-proof vacuum cleaning performance, the equipment is equipped with a load-bearing processor that automatically shuts down when the dust accumulation reaches a certain threshold. Additionally, by taking into account the thickness of metal pipes and the size of the dust being collected, the device effectively increases its capacity to absorb large volumes of dust without risking rupture or explosion. Second, in terms of technical specifications, the equipment has been upgraded to optimize the density and thickness of the air being drawn in, addressing the issue of insufficient pressure within the chamber at temperatures as low as 80°C. The device employs a 1000-watt motor, significantly reducing noise levels during operation and enhancing both runtime and overall performance. As for explosion-proof vacuum cleaners used in dust-collection applications, their design incorporates advanced stamping technology and filtration systems that ensure airtight sealing, thereby preventing clogging and static electricity buildup—a common issue in various industrial sectors. Guangzhou Qingqinyu Environmental Protection Technology (Meitengqi brand) is a manufacturer specializing in the production of large-scale dust removal systems for factory workshops, mobile and stationary high-power industrial vacuum cleaners, industrial vacuum and water suction units, welding fume extractors, and central dust collection systems. We also produce mechanical and electronic equipment such as milling machines, vibratory rulers, cutting machines, plate compactors, and universal industrial cleaners. We welcome your inquiries! Visit our website at http://www.meitengqi.com/.

2023-01-06

12

2023-01

Why is the high-pressure pump the key core component of high-pressure cleaning equipment?

For cleaning equipment operating in an environmentally friendly manner, during mechanical operation, the water discharged under high-pressure jetting can effectively perform rinsing. By ensuring maximum pressure is maintained throughout the process, the cleaning becomes cleaner and more reliable. Even when aiming for a more efficient and thorough cleaning effect, the synergy between high pressure and the resulting enhanced flushing pressure proves particularly effective. In the operational phase of high-pressure cleaning equipment, the quality of the direct flushing pressure significantly impacts performance. However, from the perspective of specialized technical characteristics, the key component responsible for this critical function is the high-pressure pump, for the following reasons: 1. The high-pressure pump is an essential component of high-pressure equipment, directly influencing the magnitude of water pressure. Its ability to generate high-pressure jets ensures that the pump’s output can meet the required flow rate and head necessary for effective cleaning. Moreover, it guarantees the continuous and reliable operation of the entire cleaning process. 2. By providing an adequate flow cross-section, the high-pressure water system driven by the pump can achieve a more uniform flow velocity, thereby enhancing the overall efficiency of the cleaning process and preventing excessive turbulence or uneven water distribution. 3. To increase water flow volume and improve the effectiveness of high-pressure jets, the high-pressure pump plays a crucial role as the primary component of high-pressure cleaning equipment—it is essentially the heart of such systems.

2023-01-12

12

2023-01

Why do electric sweepers use maintenance-free dry batteries?

The quality of the battery in an electric sweeper largely determines the equipment’s operating costs. How long a set of batteries can actually last depends on the specific usage conditions at the customer’s site, which is why there has never been a definitive answer to this question. Currently, most electric sweepers on the market use maintenance-free dry batteries. So, what exactly are the advantages of these batteries? First, they have low costs, are easy to replace, and require no regular maintenance. A set of 48V branded batteries typically costs around 6,000 yuan to replace, with a service life ranging from two and a half to three years. Second, they deliver a high starting current, enabling the battery to thoroughly clean up ground debris such as leaves, dust, and small stones in a single pass. Third, they have a longer lifespan than conventional batteries and provide stable voltage, offering some protection to the equipment’s motor. Fourth, they have strong resistance to overcharging. Metengqi generally advises customers to operate the sweeper during the day and let it recharge automatically at night. Once fully charged, the battery will automatically cut off power, eliminating the need for constant supervision. In summary, the ideal battery for an electric sweeper is a maintenance-free dry battery. Brand-name batteries offer up to 600 float charge cycles. Based on Metengqi’s many years of sales and usage experience, when used outdoors, the sweeper doesn’t need to operate on rainy or snowy days. Moreover, a single full charge can last about eight hours, so there’s no need to charge and discharge the battery every day.

2023-01-12

12

2023-01

What are the functions of an industrial vacuum cleaner?

In recent years, industrial development has been accelerating rapidly, but environmental pollution has also been steadily worsening. As a result, the nation has placed increasing emphasis on environmental protection. In response to national environmental policies, more and more factories are beginning to prioritize clean and environmentally friendly practices, including the proper handling of waste and discarded materials. Among these solutions, industrial vacuum cleaners naturally stand out as the first choice. So, what exactly are the functions of industrial vacuum cleaners? From the perspective of their application scope, industrial vacuum cleaners can effectively collect industrial waste residues, iron ore particles, iron wires, dust, grease, oil-water mixtures, and even liquid moisture directly. They can be used for cleaning workshops, warehouses, and general sanitation tasks, and can also be integrated with equipment to provide efficient dust collection. These vacuum cleaners are widely employed in various industries, such as metal processing, liquid crystal and chemical manufacturing, mechanical engineering, textile production, garment manufacturing, and many others. In these industries, the production processes generate large quantities of waste, particles, paper scraps, dust, and powders. Industrial vacuum cleaners are uniquely equipped to handle all these materials—providing quick and timely cleanup. Moreover, they can be seamlessly integrated into production lines, enabling real-time removal of dust during the manufacturing process and effectively addressing this issue promptly. This is particularly crucial when dealing with difficult-to-manage airborne dust particles: by tackling the problem at its source, industrial vacuum cleaners prevent dust from spreading into the air and causing secondary pollution. Additionally, they offer significant health benefits and safeguards for workers by minimizing exposure to harmful particles.

2023-01-12