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The working principle of the Miteqi vacuum cleaner’s pulse reverse-blow system.

17

2022-11

The working principle of the Miteqi vacuum cleaner’s pulse reverse-blow system.

In the Metengqi vacuum cleaner, dust-laden air enters the dust collector housing through the inlet port. Fine particulate matter is retained on the outer surface of the filter cartridges due to a variety of effects exerted by the filter elements. The purified air then exits through the outlet port located in the upper part of the filter cartridge housing. As usage time increases, more and more dust accumulates on the surface of the filter cartridges, reducing their permeability and causing the resistance of the dust collector to rise continuously. To ensure that the dust collector's resistance remains within the specified range, the pulse control unit sends signals that sequentially open the electromagnetic pulse valves, allowing compressed air from the air tank to be ejected through the nozzles of the blow pipes into the corresponding Venturi tubes (referred to as primary air). As the airflow passes through the Venturi tubes, it induces several times its volume of surrounding air (referred to as secondary air) into the filter cartridges, causing them to expand rapidly. Once the reverse pulse airflow’s impact effect quickly subsides, the filter cartridges contract sharply, thereby dislodging the dust accumulated on their outer surfaces. The fallen dust then settles into the ash hopper. The dust collector’s processing capacity remains unchanged. Brief Overview of the Metengqi Vacuum Cleaner’s Pulse Blowing System: The pulse blowing system consists of a pulse valve. End A of the pulse valve is connected to the compressed air tank, while end B is connected to the blow pipe. The pulse valve features a back-pressure-controlled valve, and its operation is commanded by the control unit. When the control unit does not output any signal, the moving iron core of the control valve seals the exhaust port, keeping the pulse valve closed. However, when the control unit sends a signal, the back-pressure chamber of the control valve communicates with the atmosphere, opening the pulse valve. Compressed air from the tank then flows through the pulse valve and out through the small holes in the blow pipe, entering the Venturi tubes and creating an instantaneous positive pressure inside the filter bags, thus achieving dust removal. For more information about industrial vacuum cleaners and related knowledge, please stay tuned for future updates on the website of Guangzhou Qingqinyu Environmental Protection Technology Co., Ltd.: www.qingqinyu.com

2022-11-17

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2022-11

Application areas of dry ice cleaning machines

Application areas: Cleaning casting molds and casting tools Removing burrs from plastic parts Cleaning forging tools Cleaning filling systems and mixing plants Cleaning conveyor, transportation, and handling systems Cleaning furnaces Cleaning printing machines and their surrounding environments Cleaning wood-processing machinery Cleaning generators, turbines, switchgear, and heat exchangers

2022-11-17

17

2022-11

What are the current development trends in common factory-floor sweepers, and what are their benefits?

What are the development trends of common factory floor sweepers, and what are their benefits? As cities deepen their understanding and awareness of green environmental protection, and as increasingly stringent environmental standards are imposed, emission standards for motor vehicle exhaust will continue to rise. With the growing number of industrial parks and deteriorating sanitation conditions, the power requirements of factory floor sweepers will evolve in response to market demands and expectations. Consumers will increasingly opt for more environmentally friendly products, and this shift in product generations will further fuel the sustained growth of the factory floor sweeper market. So, what are the development trends of commonly used factory floor sweepers, and what are their benefits? Let’s find out together! Typical factory floor sweepers see active participation and serious attention from both users and cleaning management personnel toward the usage and after-sales training provided by sweeper manufacturers or service providers. This allows them to better grasp the sweeper’s performance and ensures that the sweeper serves our cleaning tasks even more effectively. Standardizing sweeper operations helps minimize damage caused by collisions or accidental impacts, thereby reducing costly repairs and replacement expenses. It’s important to understand the service life of consumables such as side brushes, main brushes, and rubber seals on electric floor sweepers, and to closely monitor their condition during daily use. Avoiding overuse of these consumables not only maintains optimal cleaning performance but also prevents excessive wear and tear on machine components. Therefore, when it’s time to replace a consumable, do so promptly—don’t ignore it any longer. Pay close attention to the turnover of frontline cleaning staff, ensure smooth handovers between shifts, and provide thorough training on machine operation. This helps prevent the same issues from recurring across different operators and causing further damage to the sweeper. Additionally, it’s crucial to understand real-world working conditions and the specific characteristics of each sweeper model, striking a balance between effectiveness and cost during operation. The total cost of using a floor sweeper involves factors such as the frequency of consumable replacements, repair and replacement costs, the sweeper’s lifespan, and the extent of its damage. Only by reducing these costs can we ensure that electric floor sweepers serve us reliably and sustainably for a long time. From the perspective of user experience, factory floor sweepers are becoming easier to use. Simple and user-friendly equipment is more likely to gain widespread adoption—a simple truth that applies equally to floor sweepers. To make floor sweepers even easier to use, sweeper manufacturers must put in extra effort, focusing on the practical interests of users, reducing costs, and improving quality. The floor sweeper market today is highly diverse, with numerous brands competing fiercely. Users have access to an ever-growing range of channels to learn about the performance, features, advantages, and prices of electric floor sweepers. For sweeper manufacturers to achieve long-term success, they must focus on lowering costs and enhancing quality—only then can they attract and retain loyal customers. From the standpoint of the sweeper manufacturers’ own long-term development, the floor sweeper market should become more standardized and specialized. Today, the market is highly fragmented, with varying levels of production and manufacturing capabilities among different electric floor sweeper brands, and uneven skill levels among practitioners. As the electric floor sweeper industry continues to flourish, manufacturers must become more professional and innovative if they want to keep pace with the times and ensure their survival and growth. By staying informed about the development trends of floor sweepers and adjusting accordingly, you can better adapt to market changes, ensuring stable and long-term growth. This will also help the entire floor sweeper industry develop into an even brighter future. The benefits and advantages of using factory floor sweepers include: significantly reducing dust pollution (China is currently placing great emphasis on environmental protection, so fuel-powered sweepers are gradually fading from public view); 1. The sweeping and vacuuming system of electric floor sweepers is equivalent to 6 to 40 times the efficiency of manual labor; 2. Increased work efficiency, which in turn boosts operators’ motivation and enthusiasm; 3. A clean and tidy environment not only enhances the city’s image but also promotes urban cultural development and encourages citizens’ work spirit; 4. Saving time and resources; 5. Reducing the need for manual cleaning of product surfaces; 6. Decreasing the frequency of maintenance and periodic sanitation work required for factory floor sweepers. The emergence of factory floor sweepers has indeed provided tremendous assistance to cleaning efforts at various institutions. While operating costs have been reduced, the cleaning performance is exceptionally impressive. Indirectly, this has enhanced employees’ professional image. In fact, choosing a factory floor sweeper is definitely not a losing investment—it’s a worthwhile piece of equipment!

2022-11-17

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2022-11

Joining Hands to Tackle Challenges and Accelerate Economic Recovery—Asia-Pacific Economies Hope APEC Will Inject New Momentum into Regional Development

2022-11-18

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2022-11

Performance of accessories shared by explosion-proof vacuum cleaners

2022-11-18

18

2022-11

Precautions for Industrial Vacuum Cleaners

2022-11-18

21

2022-11

The World Cup is here! Made-in-China products are providing strong support for the Qatar World Cup.

The World Cup is Here—Made-in-China Products Provide Strong Support for the Qatar World Cup Chinese Companies Build World Cup Stadiums, Setting Multiple Industry Records The 2022 FIFA World Cup kicked off on the 20th at the Al Bayt Stadium. From match venues to water supply networks and power systems, Made-in-China products have provided strong support for the Qatar World Cup. Stadiums are essential infrastructure for the World Cup. In Qatar, several stadiums have involved Chinese companies in their design and construction. Among them, Lusail Stadium—the main stadium of the Qatar World Cup—is the first World Cup stadium project undertaken by a Chinese company as general contractor for both design and construction, setting multiple industry records in the process. Li Zhongyang, Head of the General Contractor for the Design and Construction of Lusail Stadium: Lusail Stadium is currently the world’s most advanced, largest-scale, and most complex professional football venue built according to FIFA standards. Hassan Al-Sawadi, Secretary-General of the Qatar World Cup Organizing Committee: Lusail Stadium boasts the most sophisticated facade and roof structure, which demonstrates the technological capabilities and service levels of Chinese enterprises, enabling the smooth completion of this complex stadium. Made-in-China Ensures Water Security—Watching the World Cup in the Desert Is No Longer Difficult Qatar is a country where “water is more precious than oil.” To ensure water security during the World Cup, Qatar has built 15 super-large reservoirs at five locations across the country, with significant contributions from Chinese manufacturers. Wang Shaohua, Project Manager for China’s Super-Large Reservoirs in Qatar: Our construction technology has reached the level of internationally advanced enterprises. Through technical breakthroughs, we’ve solved the challenge of concrete pouring in high-temperature desert regions. Kalisah Lingam, Site Director of Qatar’s Strategic Reservoir Project: The parts constructed by Chinese companies were completed quickly and with excellent quality. They’ve successfully passed all engineering quality inspections and haven’t encountered any problems so far—I think Chinese companies are simply the best. Made-in-China Helps Qatar Create a “Green World Cup” In Qatar’s new energy generation sector, Chinese manufacturers are also major players. The 800-megawatt Al Kharsa photovoltaic power plant in Qatar, built by a Chinese company, has significantly increased the share of renewable energy in Qatar’s energy consumption, helping Qatar fulfill its commitment to hosting a “green World Cup.” Li Jun, Site Construction Manager of the 800-Megawatt Al Kharsa Photovoltaic Power Plant in Qatar: All 800 megawatts of the photovoltaic area of this project use Chinese equipment, accounting for over 60% of the total project investment, further boosting the market share of domestic brands in the Middle East. CCTV Reporter Zhao Yuanfang: The Chinese-built and made products showcased in Qatar are shining brightly, highlighting China’s position in the global industrial chain. It can be said that from stadium construction to water and electricity supply, from event-related services to supporting facilities, Made-in-China is contributing “China’s strength” to the Qatar World Cup. Made-in-China at the World Cup Besides large-scale stadiums and water and electricity facilities, Chinese-made products can also be frequently seen in fans’ daily life in Qatar—from clothing and food to accommodation and transportation. Chinese-Made Fan Supplies: High Quality and Affordable Prices Are Highly Popular CCTV Reporter Zhao Yuanfang: I’m now inside a large shopping mall in Doha, and behind me is a specialty store selling World Cup merchandise. Currently, many malls in Qatar have set up such World Cup merchandise stores. This specialty store sells officially licensed FIFA 2022 World Cup items, including soccer balls, jerseys, scarves, backpacks, hats, and more. Each soccer ball costs 79 Qatari riyals, about 160 RMB, and most jerseys sell for around 350 RMB. Most of these products are made in China. Due to sales far exceeding expectations, the store recently placed additional orders. Jafar Khan, Store Clerk: About 60% of our products are made in China, especially jerseys and backpacks—they almost all come from China. Their quality is very good, and customers really love Chinese products. 1,500 Chinese Buses Make Traveling Around the World Cup More Convenient Chinese-made products are also evident in the travel and accommodation of fans from various countries during the World Cup. Let’s start with transportation: Qatar imported about 1,500 buses from China, including 888 pure electric buses, accounting for over 30% of the total fleet used for World Cup operations. Wei Yingpeng, Engineer Sent by a Chinese Company to Qatar for World Cup Operations: Because Qatar’s local temperatures are quite hot, it poses a challenge for power batteries. Every day, we monitor the battery charge and power consumption of the 888 new-energy vehicles in real time through our backend system. Ahmed Obaidli, Chief Operating Officer of Qatar National Transport Company: Chinese technical experts worked closely with us to develop solutions tailored to Qatar’s climate conditions, customizing vehicle models specifically for Qatar’s local environmental conditions. Chinese-Made Fan Villages: Convenient and Affordable To accommodate over a million fans, Qatar has set up six fan villages across the country. Chinese companies have provided over 10,000 container-style houses for these fan villages. Here, a double room costs $200 per night, about 1,400 RMB. By comparison, regular star-rated hotels in Qatar typically charge over a thousand dollars per night—so the fan villages are remarkably affordable.

2022-11-21

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