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16

2022-11

What are explosion-proof valves and blast-resistant valves?

With the development of modern industry, the potential danger of dust explosions has significantly increased. Explosion-proof technology can prevent an explosion from spreading from its initial location to other process units, thereby avoiding "secondary" or system-wide explosion accidents and mitigating the severity of explosion-related disasters. Due to their simplicity and reliability, explosion-proof valves are among the most widely used explosion-proof devices internationally. The principle behind these valves is that the pressure generated during an explosion pushes a movable valve core to block the propagation of explosive flames and pressure waves. They are commonly used for the safe conveyance of small amounts of dust and as explosion-proof barriers on the clean-air outlet side of dust collectors. Under normal conditions, an explosion-resistant valve functions as a ventilation inlet or outlet. However, when a destructive blast wave arrives, the explosion-resistant valve automatically adjusts or closes in response to overpressure, effectively blocking the blast wave from causing damage to the interior of the building. These valves are typically installed on the exterior walls of protected buildings, but they can also be mounted on the exterior walls of air-conditioning equipment rooms to provide ventilation and ensure the safety of the equipment in the event of an explosion.

2022-11-16

16

2022-11

When encountering dirt or oil stains, how should you choose a cleaning agent for floor washing?

Generally, when using a floor scrubber, there’s no need to add detergent. However, if the floor is heavily soiled or has oil stains, it’s advisable to add an appropriate amount of detergent to enhance the cleaning effect. So, what are the requirements and precautions when selecting a detergent for a floor scrubber? How should we choose a detergent for our floor scrubber? 1. Do not add solid detergents into the floor scrubber. We’ve noticed that many customers use laundry powder instead of detergent in their floor scrubbers—a practice that’s highly discouraged. Since the water-dispensing pipes in floor scrubbers are very narrow, if the laundry powder doesn’t fully dissolve, it could easily clog the pipes, resulting in weak water flow or even no water discharge at all. 2. Choose a neutral detergent for your floor scrubber. The water tank, suction hose, drainage pipe, water lines, and rubber seals of a floor scrubber are not made of corrosion-resistant materials. Therefore, we must select a neutral detergent. Otherwise, prolonged use of non-neutral detergents will accelerate the aging of these components. 3. Select the detergent based on the type of dirt on the floor. Typically, two types of detergents are used in floor scrubbers: one for general cleaning of everyday dirt, and another specifically designed as an oil-dissolving agent for oily surfaces. When the floor has oil stains, we must use the oil-dissolving agent—only then can we effectively remove the oil stains from the floor. 4. After adding detergent, be sure to include an appropriate amount of defoamer in the floor scrubber’s wastewater tank. All detergents, once thoroughly mixed and used, will produce foam. Eventually, this foamy wastewater gets collected in the floor scrubber’s wastewater tank. Since the floor scrubber’s water-suction motor is installed inside the wastewater tank, excessive foam could enter the motor and cause damage. That’s why we need to add an appropriate amount of defoamer to the wastewater tank as a precautionary measure.

2022-11-16

16

2022-11

How do you correctly choose a floor scrubber based on the occasion and specific situation?

With the growing popularity of floor scrubbers, more and more industries are starting to use them to support their cleaning operations. According to our company’s data statistics, the majority of floor scrubber customers are still factory clients. Other industries, however, often don’t know how to choose the right cleaning equipment or where to begin. So today, let’s take a look at how to select the right floor scrubber for different work areas. 1. Office Buildings Office buildings generally have floors made of ceramic tiles in large quantities. These buildings often need to keep their floors clean at all times, and the cleaning process must be relatively quiet so as not to disturb other employees’ work. Due to space limitations, we recommend choosing a small, push-type floor scrubber. Small floor scrubbers are flexible to operate and produce low noise, making them ideal for cleaning in office buildings. 2. Factory Floors Factory floors come in many different materials—such as cement, epoxy flooring, and painted surfaces—and are often difficult to clean. They also tend to get dirty quickly, and factories usually have large cleaning areas. In such cases, it’s best to opt for a high-efficiency ride-on floor scrubber. A single charge can enable it to clean over 10,000 square meters of floor space, delivering excellent cleaning results and high efficiency. 3. Commercial Plazas Commercial plazas are typically open-air and relatively large in area, making cleaning challenging. However, the cleanliness requirements for these plazas are usually not very high—just keeping the ground tidy at all times is sufficient. If the cleaning requirement is this simple, we recommend using a sweeping machine to remove trash and dust from the ground. Depending on the size of the cleaning area, you can choose between a push-type or ride-on sweeper. 4. Hospital Corridors Hospital floors are often tiled and the cleaning environment is relatively small. Moreover, the cleaning process needs to be quiet so as not to disturb patients. In this case, I believe a small, push-type floor scrubber is particularly suitable. It’s flexible to operate, produces low noise, and is perfect for cleaning in hospitals.

2022-11-16

16

2022-11

Development Trends of Domestic Industrial Floor Cleaning Machines

Development Trends of Domestic Industrial Floor Cleaning Machines As we all know, with the advancement of science and technology and the growth of the cleaning industry, industrial floor cleaning machines have become widely adopted. These machines are used for cleaning in hotels, airports, ports, large-scale industrial and mining enterprises, and other similar settings. Over the past decade, industrial floor cleaning machines have experienced rapid development and improvement. Cleaning equipment, particularly industrial floor cleaning machines, has become a major player in the cleaning market. These machines are simple and easy to operate—anyone can learn how to use them quickly, even elderly individuals can handle them effortlessly. The trend in cleaning equipment is moving toward simplicity and convenience, lowering the barrier to entry and enabling everyone to use industrial floor cleaning machines as easily as they would a “point-and-shoot” camera. 1. The Widespread Adoption of Industrial Floor Cleaning Machines As times evolve, people’s demands for environmental quality continue to rise, and industrial floor cleaning machines are increasingly being applied across various aspects of daily life and production. These machines clean the surface ahead of them and immediately vacuum up the wastewater and debris behind, ensuring that floors are thoroughly cleaned of all dirt and grime. 2. The Trend Toward Domestic Production With growing domestic demand, the number of domestic brands of floor cleaning machines is steadily increasing. Today, China’s domestic technology is fully capable of producing cleaning equipment that matches or even surpasses the quality and functionality of imported products, breaking the monopoly that foreign cleaning equipment has long held in the high-end market. Domestic cleaning equipment enjoys advantages such as lower costs, abundant spare parts availability, and reduced logistics expenses, making it highly favored by the market. 3. From Extensive Management to Refined Operations The industrial floor cleaning machine industry has gone from having nothing to witnessing a “blossoming diversity.” However, this extensive growth has led to uneven quality among cleaning equipment operators. Competition has become chaotic, brand management has been disorganized, and there has been a lack of sustained and effective promotion. As a result, users are overwhelmed by the sheer number of brands, finding it difficult to choose and compare. The market and industry urgently need transformation. Concentrating on selecting the best and eliminating the inferior, pooling resources, and reforming the current state of cleaning equipment manufacturing and management have become essential steps for the industry’s future development. As the economy and society continue to develop, industrial floor cleaning machines are poised for an even brighter future. Unis’s industrial floor cleaning machines are moving toward refined operations, leading Chinese brands onto the global stage of cleaning excellence.

2022-11-16

16

2022-11

A Brief Discussion on the Development Trends of Industrial Vacuum Cleaners in China

A Brief Discussion on the Development Trends of Industrial Vacuum Cleaners in China Although the cleaning products industry currently boasts enormous growth potential, its rapid development has been accompanied by relatively low overall profit margins. In 2013, the entire cleaning industry’s profit margin stood at just 8.1%, representing a year-on-year increase of only 0.4%. Moreover, due to rising costs associated with the production of environmentally friendly equipment and operational expenses for enterprises, relatively few companies have chosen to enter this sector. As part of the environmental protection industry, industrial vacuum cleaners also exhibit relatively low gross profit margins. To ensure the healthy and stable growth of the industrial vacuum cleaner industry, we must make even greater efforts. In recent years, China has begun to place greater emphasis on environmental pollution issues, setting new standards for environmental protection and placing increased focus on energy conservation and emission reduction. The country is also promoting the development of a circular economy and building a resource-efficient and environmentally friendly society. These policies primarily affect large-scale enterprises—precisely those with the most severe pollution emissions. Consequently, sales of industrial vacuum cleaner products have surged in recent years, creating substantial demand for energy-saving and environmentally friendly technologies. As a result, the energy-saving and environmental protection industry has experienced rapid growth and has already taken shape to some extent. According to estimates, in 2011 alone, the profits generated by the industrial vacuum cleaner industry reached 1.5 trillion yuan, and the number of employees in the industry exceeded 28 million. The industrial scale of vacuum cleaners continues to expand, with ongoing upgrades in technology and equipment, an increasingly diverse range of product offerings, and steadily improving service levels, thus laying the foundation for a relatively complete industrial system.

2022-11-16

17

2022-11

Composition and Working Principle of the Metengqi Electric Floor Scrubber

With economic development, rising labor costs for cleaning services, and increasingly stringent hygiene requirements from business owners, the use of Metengqi electric floor scrubbers is becoming ever more widespread. What were once foreign machines used exclusively in developed countries are now commonly employed across various industries in Hebei Province—including shopping malls and supermarkets, residential communities, parking lots, plazas and parks, warehouses, hospital cafeterias, and many other environments. The composition of a Metengqi electric floor scrubber essentially consists of a single-disc scrubber, a vacuum cleaner, and a dust cart—all combined into one device. Previously, tasks that required several people working together could now be effortlessly handled by just a single operator. Typically powered by rechargeable batteries, these electric floor scrubbers are not subject to the safety constraints imposed by corded models. By eliminating the need for cords, they offer greater flexibility and convenience in terms of usage. During operation, the Metengqi electric floor scrubber’s brush motor drives the rotating brush pad located at its base. Depending on the type of flooring, different brushes or pads can be selected to effectively clean various surfaces. As the brush motor spins, water is sprayed from the clean water tank—or a cleaning solution can be added—to assist in the cleaning process. After cleaning, a suction motor equipped with a floor squeegee promptly collects all the dirty water into the machine’s wastewater tank. This ensures that the floor remains thoroughly clean and dry, leaving it looking as good as new. For more information, please continue to follow Guangzhou Qingqinyu Environmental Technology Co., Ltd. at www.qingqinyu.com or www.meitengqi.com.

2022-11-17

17

2022-11

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/.

2022-11-17

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