Selected highly optimized equipment variants customized for municipal water processing and minerals mining in the Hanoi metropolitan zone.
As the industrial engine of Northern Vietnam, Hanoi and its neighboring provinces of Bac Ninh, Hung Yen, and Hai Phong face demanding tribological requirements in mineral refining, metallurgy, and ecological wastewater reclamation.
Hanoi's local chemical and metal industries process severe abrasive feedstocks. Sand dredging, mining runoffs, and silicon carbide suspended crystals rapidly destroy typical iron alloys. Our ceramic technology offers a quantum leap in pump component longevity, maintaining design efficiency under heavy particulate bombardment.
The subtropical delta environment accelerates electrochemical corrosion. When acidic chemical streams (pH 1–5) couple with high temperatures, traditional metal castings deteriorate via stress corrosion cracking. Solid ceramic pumps isolate the wet path, ensuring reliable chemical resistance.
With Vietnam committing to net-zero environmental objectives, Hanoi's industrial zones (such as Noi Bai, Thang Long, and Sai Dong) must modernize their wastewater plants. The pairing of low-noise Roots blowers and durable slurry pumps represents a key technical dynamic in regional eco-efficiency.
Exploring the physics of extreme wear resistance. Learn why solid ceramic pump wet ends consistently outperform Chrome alloy and polymer-lined alternatives.
In high-pressure slurry transportation, wear rates scale exponentially with flow velocities. Traditional high-chrome cast irons (Cr27, Cr30) depend on passivating chrome oxide layers to limit wear. However, when large solid grains slam into the impeller surfaces, this protective layer is stripped away, exposing bare metal to accelerated corrosion.
Our TZJK-TD Solid Ceramic Slurry Pumps utilize Reaction-Bonded Silicon Carbide (RBSiC) and Sintered Silicon Carbide (SSiC). With a Mohs hardness rating of 9.5 (surpassed only by diamond), these materials resist abrasive particulates. By avoiding the weak binder phases common in alloy structures, our pumps resist corrosion across the full pH spectrum (0 to 14).
| Material Parameter | High-Chrome Alloy (A05 / Cr27) | SSiC (Sintered Silicon Carbide) | RBSiC (Reaction-Bonded SiC) |
|---|---|---|---|
| Mohs Hardness | 5.5 - 6.0 | 9.5 | 9.2 |
| Acid Resistance (pH Range) | pH 5 - 12 | pH 0 - 14 | pH 1 - 13 |
| Erosion Rate (vs. Silica Slurry) | 1.0 (Baseline Reference) | 0.08 (12x Longer Lifetime) | 0.12 (8x Longer Lifetime) |
| Thermal Shock Max Limit | 350°C | 1200°C | 800°C |
| Cavitation Resistance | Moderate | Extreme | Outstanding |
Explore our mid-tier tri-lobe blowers and advanced bearing systems designed for reliable long-term operations.
Shandong Zhangqiu Blower Co., Ltd. (ZCBC) represents over 50 years of manufacturing experience, high precision, and engineering innovation.
Shandong Zhangqiu Blower Co., Ltd. (Formerly name: Shandong Zhangqiu Blower Works) is a company with over 50 years’ blower design, manufacture technology and experience. We set up two Sino-Japanese Joint-ventures and one USA branch that of 1st company in China blower industry establishing oversea branch. We are the leading enterprise in Zhangqiu local industry and main product-Roots Blower’s market occupancy is top-ranked in China blower industry.
Overall developing strategy: “Develop main business, pioneer new fields and innovate, cooperate to be a great company”. Working concept: “Do the best”. Now we are a modern company integrated the design, manufacturing and sales on products of: Roots Blower, Centrifugal Blower, Fan, Industrial Pump, Pneumatic Conveying System, Electrical Equipment, MVR Evaporation, Concentration and Crystallization system, Waste Water Treatment Product and Service and etc.
In 2005, we moved to newly built high-standard modern industrial park. This new industrial park covers an area of 430,000 m2 with complete facility and magnificent office building providing wide developing space for cooperation with oversea company and great-leap-forward development of us. In July, 7th, 2011, the company was publish listed on Shenzhen Stock Exchange center. Stock code: 002598. This is a great development milestone of us.
In 2020, the parent company of Zhang Drum will realize operating income of 1.5 billion yuan and profit of 150 million yuan (including Zhang Drum and its participating holding companies). Zhang drum company has 20 holding companies, Zhang drum company in Jiangsu Wuxi, Guangdong Dongguan, Hunan Chenzhou, Gansu Jinchang, set up four manufacturing bases, in Beijing, Shanghai, Shijiazhuang, Wuxi, four places with R & D centers.
We deliver more than standalone equipment. ZCBC designs unified fluidic, evaporation, and dry conveying ecosystems.
Modern processing plants require cohesive system configurations. A ceramic slurry pump moving abrasive sludge is part of an integrated workflow that includes aeration, concentration, and thermal separation. ZCBC offers comprehensive design solutions that unify these operations.
Our engineering services range from pneumatic fly ash transport systems to Zero Liquid Discharge (ZLD) installations utilizing mechanical vapor recompression (MVR). This integration reduces footprint, minimizes energy consumption, and limits thermal degradation across operations.
Our engineering workflow is certified to international quality standards, backed by robust validation processes.
Our scientific research team includes engineers and technical specialists supported by academic collaborations with Tsinghua University and Xi'an Jiaotong University. ZCBC utilizes dynamic simulation software alongside five-axis machining tools to verify structural limits and performance under peak loads.
Our Strength: ZhangGu company is a large-scale professional manufacturer of Roots blower, is the executive director of the China General Machinery Industry Association, China General Machinery Industry Association fan branch vice president of the unit, China International Turbomachinery Industry Alliance Council executive director of the unit, the main drafting unit of the national standards of Roots blower.
Talent Cultivation: Through the implementation of a series of incentives for scientific and technological talents to set up a broad stage to display their talents, the company has a strong scientific research team composed of experts enjoying the State Council's special allowances, provincial and municipal government allowances, engineering and technology researchers, Jinan City, “5150” project to introduce the doctorate, senior and middle-level experts. The company has set up a “postgraduate workstation”, in addition, the company has hired more than 10 domestic and foreign experts, cultivated and driven out of the “top technical talents, academic leaders” and a number of technical backbone, for the company's technological innovation work has injected vitality...
Our certification portfolio includes ISO9001, ISO14001, ISO50001, ISO10012, Mining Products Safety Mark, and CE registration.
The company maintains in-house mechanical testing labs equipped with CNC and five-axis machining centers, coordinate measuring machines (CMMs), and ultrasonic flaw detectors imported from Japan and Germany to verify geometric tolerances.
We run Product Lifecycle Management (PLM) and Computer-Aided Manufacturing (CAM) environments to shorten design-to-build lead times for custom slurry setups.
Through our dedicated foreign trade company and US branch office, we export equipment to over 70 countries and regions—including the US, Germany, and Italy—providing local support and installation guidance.
Corporate Culture: Cohesion produces strength, unity brings glory. Zhanggu people struggle hard, are flourishing, pioneering, innovative, and fruitful. Brave people never satisfy the status quo; wise people are especially good at improving themselves. Success is just a comma, the highest mountain is always in Zhang Gu people's mind...
Corporate culture is the soul of the development of a large enterprise and a reflection of the management level of an enterprise. The successful construction of a corporate culture shows that it is successful in management and the greater the development potential of the enterprise...
Since the new leadership team with Chairman Fang Rungang as the core since taking office in 1997, the overall development strategy of “stretching the main business, embarking on new innovations, joint ventures and cooperation, and developing chapters” has been formulated around the long-term development of the company...
Everyone in ZhangGu Company has the spirit and attitude of not accepting defeat and fighting for the first. It should be said that in recent years, ZhangGu Company has been very successful in the construction of the atmosphere... Good teams in Design, provide 3D drawings within 24 hours. Customers can send us draft or pictures needed and our design team can work on the CAD files for confirmation.
Technical clarifications for system engineers and procurement professionals operating in high-wear environments.
Chrome alloys (like Cr27) rely on a thin passivation film for chemical protection. In abrasive slurries, this film is worn away by particles, leaving the base metal vulnerable to corrosion. Solid Silicon Carbide (SiC) is chemically inert, providing stable wear resistance without relying on passivating films across pH levels 0 through 14.
Groundwater in the Hanoi metropolitan delta contains dissolved silicates and sulfates, which can accelerate the wear of standard metal pump components. Ceramic liners resist both chemical degradation and wear from suspended solids, extending the maintenance cycle of these units.
Our design team provides standard 3D CAD drawing drafts within 24 hours of receiving parameters like particle distribution curves, chemical composition, and installation coordinates, helping speed up project approvals.
Yes, our ceramic wear components are designed with identical envelope dimensions to standard mechanical wear parts, allowing for drop-in replacement in existing pump casings during planned maintenance.
Explore our full catalog of industrial Roots blowers, centrifugal designs, and ceramic slurry pumps.
Whether configuring a Silicon Carbide slurry pump for mining runoffs or selecting an energy-efficient Roots blower for municipal wastewater treatment, our specialists can assist with sizing and mechanical verification.
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