Engineered for extreme wear, continuous air-gas separation, and peak operation in demanding flotation circuits.
In minerals processing, specifically flotation circuits, managing foam and frothy slurries is one of the most challenging engineering tasks. Standard centrifugal pumps suffer from air binding. When air bubbles entrained in slurry enter a conventional impeller, the lower pressure region at the impeller eye causes air to separate from the liquid. This forms a pocket of air that blocks flow, drops head performance, and eventually stops the pumping cycle entirely.
Foam Slurry Pumps resolve this dynamic problem by using an specialized integrated design. Incorporating a conical hopper equipped with a tangential inlet and a unique open vertical design, these pumps induce a strong vortex. The centrifugal force separates air from the slurry before it reaches the impeller, allowing the air to escape upward while the dense slurry is successfully pressurized and pumped. As leading exporters, we tailor these hydraulic systems to reduce turbulence, thereby avoiding the destruction of flotation reagents and maximizing output consistency.
Our foam slurry pumps feature oversized inlets to accommodate viscous, air-filled media, alongside high-chrome alloy impellers designed specifically to resist the combined impact of abrasion and corrosive flotation chemicals. The tangential feed design is critical, pre-swirling the incoming medium to generate passive separation without consuming extra electrical power.
Pioneering tomorrow's fluid engineering through advanced materials, smart electronics, and fluid-structure interactions.
Developing ultra-high chrome wear alloys and ceramic inserts. These new compounds are designed to prolong impeller life by up to 180% under aggressive pH flotation conditions, reducing downtime in mining operations.
Utilizing high-performance Computational Fluid Dynamics (CFD) to map two-phase air-slurry flow patterns. Our current research optimizes the vane angle to minimize cavitation and micro-turbulence inside the casing.
Integrating acoustic emissions and vibration sensors directly into the pump housing. These IoT devices communicate with cloud diagnostics to predict impeller wear and potential seals failure days before they occur.
Providing industrial infrastructure to keep copper, gold, coal, and chemical plants operating without interruptions.
In modern mineral processing plants, extracting metals such as copper, gold, molybdenum, and zinc requires extensive flotation. Standard pumps quickly lock up due to the frothy nature of the slurry containing chemicals and bubbles. Our specialized foam slurry pumps accept frothy slurry directly into the open hopper. By separating air through centrifugal vortex action, we stabilize pulp flow, protect reagent chemistry, and ensure high recovery rates.
Managing the byproduct streams of mining requires high-head transport of dense, bubbly mixtures. Tailings containing thick chemical residues can cause cavitation in conventional equipment. ZCBC’s pumps, engineered with thick wear liners, handle high-density mixtures easily, transporting waste slurries to disposal areas safely and with low power consumption.
Coal preparation plants use dense media separation and flotation processes that produce heavy bubbles and foam. Our pumps handle these fluctuations effortlessly. Heavy duty casings resist the abrasive impact of coal fines, sandstone, and slate fragments, allowing wash plants to operate continuously without unplanned shut-downs.
Industries processing chemical suspensions or aerated biological waste require pumps that won't lose prime. ZCBC foam slurry pumps are designed with non-clogging open impellers and robust shaft seals to manage corrosive elements, maintaining process stability and keeping environmental discharge lines operating smoothly.
Over Half a Century of Engineering Excellence, Strategic Innovations, and Industrial Achievements.
Shandong Zhangqiu Blower Co., Ltd. (formerly known as Shandong Zhangqiu Blower Works) is a manufacturing enterprise with over 50 years of experience in blower design, engineering, and manufacturing. As an industry pioneer, we established two Sino-Japanese Joint-ventures and one USA branch, becoming the first company in China's blower industry to establish an overseas presence. We are a leading enterprise in the Zhangqiu local industry, and our main product, the Roots Blower, leads the domestic market share.
Our overall strategy is defined by the core values: "Develop main business, pioneer new fields and innovate, cooperate to be a great company", supported by our guiding principle, "Do the best". Today, we are a modern company integrating the design, manufacture, and sales of: Roots Blowers, Centrifugal Blowers, Fans, Industrial Pumps (including foam slurry pumps, desulfurization pumps), Pneumatic Conveying Systems, Electrical Equipment, MVR Evaporation systems, and environmental waste water treatment products.
On July 7th, 2011, our company achieved a major milestone by listing on the Shenzhen Stock Exchange (Stock Code: 002598). In 2020, our parent company realized operating income of 1.5 billion yuan and a profit of 150 million yuan. Operating 20 holding companies, we manage four manufacturing bases in Jiangsu Wuxi, Guangdong Dongguan, Hunan Chenzhou, and Gansu Jinchang, along with four dedicated R&D centers located in Beijing, Shanghai, Shijiazhuang, and Wuxi.
Our modern industrial park, constructed in 2005, covers a total area of 430,000 square meters. Equipped with advanced facilities, it provides a strong foundation for high-efficiency manufacturing. Operating under Industry 4.0 standards, our facility integrates advanced technology, computer-aided engineering, and automated production pipelines.
We deploy the world's most advanced product lifecycle management PLM systems, alongside Computer-Aided Manufacturing (CAM) and Computer-Aided Process Planning (CAPP). These digitized architectures ensure that design tolerances are shared directly with our CNC machining tools, drastically reducing production times and ensuring absolute repeatability.
Our machining floor features nearly 100 sets of imported precision equipment, including five-axis machining centers, high-capacity CNC lathe systems, three-axis measuring instruments, and ultrasonic flaw detectors imported from Japan and Germany. These high-precision assets allow us to manufacture high-durability industrial pumps, ensuring perfect dynamic balance, long bearing life, and reliable performance under severe mining loads.
Why procurement managers, mining engineers, and EPC contractors choose ZCBC as their long-term supply partner.
Our specialized design team provides complete 3D drawings within 24 hours. Send us your rough parameters, sketches, or site restrictions, and our engineers will quickly generate CAD files for verification.
We engineer our impellers and wear liners to last, minimizing maintenance shutdowns. Longer runtimes directly translate to lower lifetime costs, helping you save on operational expenses.
We collaborate with prestigious universities such as Tsinghua University, Xi'an Jiaotong University, and China University of Mining & Technology, bringing advanced research to our pump designs.
We offer more than standalone pumps; we design integrated systems. This includes feeding hoppers, variable frequency drives, water seal control units, and discharge lines, providing a complete package.
Operating in global markets requires strict compliance with international standards. We hold multiple proprietary technologies, including advanced noise reduction, countercurrent cooling, anti-sticky wear linings, special mechanical seals, and twisted-leaf impeller designs. To date, we have been authorized with 69 patents (including 5 invention patents) and 2 software copyrights.
ZCBC is certified to the highest industrial quality benchmarks:
Our products are exported to the United States, Germany, Italy, Russia, Australia, and over 70 other countries, backed by international sales and technical support offices.
Expert engineering answers to common challenges in industrial froth and foam pumping applications.
Discover our full line of performance blowers, vacuum pumps, and heavy-duty centrifugal fans.
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