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ZJ Slurry Pump

Multistage pump

Fractional slurry pump

pipeline pump

Mixed flow pump

Submersible slurry pump

Double suction pump

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filter press feed pump

IS clean water pump

Submersible slurry pump

IH/IS horizontal centrifugal pump

IH Chemical Centrifugal Pump

Mobile diesel sewage pump

Ceramic slurry pump

Home Products Desulfurization pump

Desulfurization pump

The desulfurization pump is a special centrifugal pump customized for power plant flue gas desulfurization and chemical desulfurization systems. Its core function is to transport highly corrosive media containing gypsum particles and acidic slurry.

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We provide scientific pump selection based on actual working conditions (e.g., flow, head) and offer personalized customization of product appearance and color.

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Product Introduction

The desulfurization pump is a specialized centrifugal pump specifically designed for power plant flue gas desulfurization and chemical desulfurization systems. Its core function is to transport highly corrosive media containing gypsum particles and acidic slurries. Its design is highly compatible with the core operating conditions of wet desulfurization (such as limestone-gypsum desulfurization) and can reliably handle the stringent requirements of desulfurization systems: high corrosion, high solids content, and continuous operation. It is a critical conveying device for ensuring efficient operation of desulfurization systems in power plants and chemical plants, and achieving environmentally friendly emissions.

Model Description Diagram

Core Structural Features

Desulfurization pump core structure

Corrosion-resistant and wear-resistant dual-effect flow components
The core components that are in direct contact with the desulfurization slurry, such as the pump body and impeller, are cast from high-chromium alloy (such as Cr26, Cr30) or duplex steel (such as 2205). The material not only has excellent acid resistance (can resist corrosion from acid and alkali slurries with a pH value of 1-14), but also has high hardness (surface hardness of HRC50 or above). It can simultaneously resist the chemical corrosion of the desulfurization slurry and the physical erosion of gypsum particles, thereby extending the life of the components from the structural source.

Leak-proof and wear-resistant sealing system

Equipped with a combined sealing solution of "mechanical seal + dedicated flushing system" - the mechanical seal adopts silicon carbide-silicon carbide or silicon carbide-graphite wear-resistant matching materials to improve the wear resistance of the sealing surface; the flushing system injects clean coolant to cool the sealing surface and reduce slurry adhesion, while blocking high-concentration slurry from invading the sealing cavity, effectively preventing slurry leakage, and adapting to the needs of conveying high-solid content and highly corrosive media in the desulfurization system.

High load and long life bearing assemblies

Heavy-duty deep groove ball bearings or cylindrical roller bearings are used, and the rated dynamic load of the bearings is more than 30% higher than that of ordinary pump bearings. They can stably withstand the radial and axial loads during the operation of the desulfurization pump. At the same time, they are equipped with bearing cooling devices (such as water cooling jackets or air coolers) to remove the heat generated by the bearing operation in real time, avoiding bearing lubrication failure due to high temperature, significantly extending the bearing service life, and ensuring continuous and stable operation of the equipment.

Performance Advantages

Super strong corrosion and wear resistance

Relying on special materials and structural design, it can stably adapt to strong acid and strong alkaline desulfurization slurries with a pH value of 1-14, and can withstand erosion by gypsum slurry with a solid content of ≤60%. The service life of wearing parts (impeller, mechanical seal) is 2-3 times longer than that of ordinary centrifugal pumps, greatly reducing the frequency of shutdowns and replacements due to component wear and corrosion, and lowering maintenance costs.

Precise adaptation to desulfurization conditions

Through the design of a dedicated hydraulic model for desulfurization, the pump flow and head parameters are precisely matched to the slurry circulation volume and conveying height of the desulfurization system (for example, the flow rate of a single pump can cover 50-2000m³/h, and the head is suitable for 10-80m). This can stably convey high-concentration slurry containing gypsum particles without the risk of pipe blockage, ensuring the smooth operation of the desulfurization system's slurry circulation and gypsum discharge.

High reliability and continuous operation

The structural design fully considers the "24-hour continuous operation" requirement of the desulfurization system. It has no complex and easily faulty components, and the equipment has a mean time between failures (MTBF) of more than 8,000 hours. Even under conditions of fluctuating slurry composition and changing loads, it can still maintain stable operation, significantly reducing the desulfurization system's downtime for maintenance due to pump failures, and ensuring the continuity of environmentally friendly emissions.

Double suction pump

filter press feed pump

Quality Policy

Guided by a core policy of customer satisfaction, Xiecheng Pumps creates advanced products through meticulous planning, careful design, and strict manufacturing. We provide excellent service and continuously improve to meet customer needs.

Meticulous Planning

We meticulously plan our quality systems and products with a strong focus on customer satisfaction.

Careful Design

We design products to meet both customer and market needs, aiming for top-tier quality domestically and internationally.

Detailed Manufacturing

We build a high-quality brand by striving for excellence and strictly controlling the manufacturing process.

Sincere Service

We genuinely serve our customers, always considering their needs to ensure their complete satisfaction.

Striving for Perfection

We continuously improve our quality management system and enhance products to meet customers' evolving needs.

After-sales Service

As a professional manufacturer of industrial water pumps for the nation, Xiecheng Pumps's after-sales service is guided by the principle: every customer is our friend. Good after-sales service today will win more customers tomorrow. A first-class product also requires a first-class service.

Provide 24-hour service to respond to user needs promptly.

Users facing operational issues can receive free 24-hour phone consultations from senior engineers.

Our service is meticulous and patient, ensuring it is both efficient and professional.

When troubleshooting, we adhere to the principle of meticulousness and patience, assisting users in systematically going through possible causes until the problem is precisely located, ensuring no issues are overlooked.

The core team possesses high professionalism and rich experience.

Our after-sales engineers are senior/highly skilled professionals in the industrial pump field, many of whom have participated in the commissioning and servicing of national key projects.
They regularly receive professional technical and service awareness training and gain hands-on experience in equipment structure and working principles through on-site disassembly and assembly of water pumps.
After each service, they summarize their experience to form a knowledge base, which is used to prevent future failures, extend equipment life, and help users save on operating costs.

Our service is fully responsible and strives for perfection from start to finish.

We adhere to the 'service to the end' principle of responsibility: when a user's equipment has an issue, we follow up throughout the entire process until it is running normally again. After the service is complete, we also thoroughly clean the site to ensure the equipment room is tidy, completing the service loop.