Bomba de lodo de cabezal alto WG

Introducción a la bomba

ESPECIFICACIONES:

Tamaño: 65-300 mm
Capacidad: 37-1919m3/h
Cabeza: 5-94m
Entrega de sólidos: 0-90 mm
Concentración: Máx.70%
Presión máxima: máx. 4,5 mpa
Materiales: aleación de hipercromo, etc.

AIER® WG High Efficiency Slurry Pump

In order to meet the requirements on the development of the electric power, metallurgy and coal industries, our company has designed and developed WG(P) Series up-to-date general slurry pump with large capacity, high head, multi-stages in series to remove ash & sludge and to deliver liquid-solids mixture, based on the experience of slurry pump design and manufacture for many years, and abstracting the research results of advanced technology from home and abroad.

Características

Diseño moderno CAD, rendimiento súper hidráulico, alta eficiencia y menor tasa de abrasión;

Amplio paso, sin obstrucciones y buen desempeño de NPSH;

Se ha adoptado un sello de expulsión combinado con un sello de empaque y un sello mecánico para garantizar que la lechada no se escape;

El diseño de confiabilidad garantiza un MTBF (tiempo medio entre eventos) largo;

El rodamiento métrico con lubricación con aceite, sistemas razonables de lubricación y enfriamiento garantizan que el rodamiento funcione a baja temperatura;

Los materiales de las piezas húmedas tienen buen rendimiento antidesgaste y anticorrosión;

La bomba se puede utilizar para eliminar las cenizas del agua de mar y evitar la corrosión del agua de mar, la sal y la niebla y la corrosión electroquímica;

La bomba puede funcionar en serie con varias etapas dentro de la presión permitida.

La bomba tiene las ventajas de una construcción razonable, alta eficiencia, operación confiable y fácil mantenimiento. Puede ser ampliamente utilizado para manipular la mezcla contenida de sólidos abrasivos y corrosivos en los departamentos de energía eléctrica, metalurgia, minas, carbón, materiales de construcción e industria química, especialmente para eliminar cenizas y lodos en centrales eléctricas.

Notación de bomba

100WG(P):

100: Diámetro de salida (mm)

WG: Bomba de lodo de cabezal alto

P: Bombas multietapas (1-2 etapas sin la marca)

La bomba de lodo WG es una bomba de lodo centrífuga horizontal, de una sola etapa, de succión simple, en voladizo y de doble carcasa. La bomba gira en el sentido de las agujas del reloj vista desde el extremo impulsor.

Las partes húmedas de las bombas WG y WGP con el mismo diámetro de salida pueden ser intercambiables. Sus dimensiones generales de instalación también son las mismas. Para la parte motriz de la bomba de lodo WG(P), se adoptó el marco dividido horizontal con lubricación con aceite y dos conjuntos de sistemas de refrigeración por agua interior y exterior. Si es necesario, se puede suministrar agua de refrigeración. La junta preparada para el agua de refrigeración y la presión del agua de refrigeración se pueden ver en la tabla 1.

Two kinds of shaft seal – expeller seal combined with packing and mechanical seal.

Se recomienda el sello mecánico suministrado con agua de sellado a alta presión cuando la bomba se opera en serie, y el sello del expulsor combinado con la empaquetadura se usa en bombas de una sola etapa.

La presión del agua y la cantidad de todo tipo de sellos de eje son las siguientes:

1) Presión de agua de sellado

Para bombas de una etapa con sello de expulsor combinado con empaquetadura, la presión del agua del sello del eje es de 0,2 a 0,3 Mpa.

Para operación multietapa en serie con el sello del expulsor combinado con empaquetadura, la presión del agua de sellado debe ser: La presión del agua de sellado más baja de n etapa = Hi + 0.7Hn Where: n ≥2.

Para el sello mecánico, la presión del agua de sellado de cada etapa de la bomba es superior a 0,1 Mpa que la presión en la salida de la bomba.

2) Presión del agua de sellado (ver tabla 1)

Tabla 1: parámetros del agua de sellado

Diseño de construcción

Material de la pieza de la bomba

Curva de rendimiento

Dimensiones de instalación

The Role of High Head Slurry Pumps in Long-Distance Slurry Transport Systems 

A high head slurry pump plays a pivotal role in transporting abrasive and dense slurries over long distances and significant vertical heights. Unlike standard industrial slurry pumps, high head pumps are specifically engineered to provide the increased pressure necessary for long pipeline systems, ensuring the efficient and consistent movement of solids-laden fluids.

In industries such as mining, mineral processing, coal preparation, and dredging, materials often need to be transported through extended pipelines, sometimes spanning hundreds of meters. The combination of high solids content, abrasive particles, and long transport distances makes conventional pumps unsuitable, as they may fail under high head conditions or suffer from excessive wear. A high head slurry pump addresses these challenges by delivering reliable performance while maintaining operational efficiency.

The design of a high head slurry pump emphasizes durability and resistance to wear. Casings and impellers are often made of high-chrome alloys or wear-resistant metals, allowing the pump to handle abrasive slurries with minimal erosion. Many slurry pump manufacturers also offer customizable options, such as modular impellers and liners, enabling easy maintenance and replacement, thereby reducing downtime and maintenance costs.

Additionally, high head slurry pumps are engineered for optimal hydraulic performance. Their impeller and volute designs minimize energy loss, allowing slurries to be transported at higher pressures without overloading the motor or increasing operational costs. This energy-efficient design is particularly important in industrial settings, where large volumes of slurry must be moved continuously over extended distances.

Applications of high head slurry pumps include tailings disposal, long-distance slurry transport from mines to processing plants, and chemical slurry movement in metallurgical operations. Their ability to sustain high pressures and manage abrasive fluids reliably makes them a critical component in industrial processes.

In conclusion, a high head slurry pump is essential for long-distance slurry transport systems, offering high pressure, durability, and efficiency. Selecting a reliable slurry pump manufacturer ensures that your plant receives a customized, high-performance solution tailored to demanding industrial applications.

How High Head Slurry Pumps Improve Efficiency in Mining and Processing Plants 

Mining and mineral processing plants require robust equipment capable of handling abrasive slurries with high solids content. A high head slurry pump is integral in these facilities, enhancing efficiency, reducing energy consumption, and minimizing maintenance needs. By delivering high pressure and flow over long distances, these pumps streamline material handling and improve overall plant productivity.

In mining operations, tailings and ore slurries often need to be transported from extraction sites to processing plants or storage areas. A high head slurry pump is specifically designed to handle this workload, maintaining consistent flow rates even with challenging slurry compositions. This ensures that production lines run smoothly without bottlenecks or downtime caused by pump failure.

The efficiency of a high head slurry pump also translates to energy savings. Advanced impeller designs and optimized hydraulic profiles reduce friction losses and pump energy requirements. Many industrial slurry pumps from reputable slurry pump manufacturers are designed with high efficiency in mind, allowing plants to lower operational costs while maintaining the required throughput.

Maintenance is another area where high head slurry pumps provide advantages. These pumps are constructed with wear-resistant materials such as high-chrome alloys or alloy steels, minimizing erosion from abrasive particles. Replaceable liners and impellers allow maintenance teams to perform targeted repairs without dismantling the entire pump system, reducing downtime and labor costs.
Furthermore, these pumps are available in various configurations, including horizontal and vertical designs, enabling flexible installation in confined or challenging spaces. The modular construction also supports scalability, allowing mining and processing plants to adjust pump capacity as operational needs evolve.

In summary, using a high head slurry pump in mining and processing plants improves slurry transport efficiency, reduces energy consumption, and minimizes maintenance costs. Partnering with a reliable slurry pump manufacturer ensures access to high-quality, durable pumps capable of withstanding abrasive industrial conditions while delivering long-term performance.

Material Selection for High Head Slurry Pumps: Metal vs Alloy 

Selecting the appropriate material for a high head slurry pump is crucial to maximize performance, wear resistance, and operational lifespan. Industrial applications often involve abrasive and corrosive slurries, which can quickly erode or damage pumps made from unsuitable materials. Choosing between metal and alloy construction depends on the specific process requirements and the slurry’s characteristics.

Traditional metal slurry pumps are typically made of ductile iron or stainless steel, offering robust structural strength and corrosion resistance. These materials are suitable for moderate abrasiveness and provide reliable long-term service. However, in highly abrasive conditions, such as those found in mining or mineral processing, standard metals may wear quickly, leading to reduced efficiency and increased maintenance costs.

Alloy construction, especially high-chrome or nickel-chrome alloys, offers superior wear resistance and hardness, making them ideal for heavy-duty industrial slurry transport. A high head slurry pump made from these materials can handle slurries with high solids concentrations and large particle sizes without rapid erosion. The enhanced durability ensures continuous operation with minimal downtime, which is essential for high-capacity industrial processes.

Many slurry pump manufacturers offer modular designs that allow clients to choose between metal or alloy liners and impellers based on operational needs. This flexibility enables plants to optimize pump longevity and reduce maintenance frequency. Additionally, alloy materials can improve hydraulic performance by maintaining smooth surfaces within the pump, reducing energy losses and improving overall efficiency.

The selection of materials also impacts cost-effectiveness. While alloy pumps may have higher initial investment costs compared to standard metals, their extended service life and reduced maintenance requirements often result in lower total operational costs over time. Industrial facilities that prioritize reliability and efficiency benefit significantly from investing in high-quality alloy high head slurry pumps.

In conclusion, material selection for a high head slurry pump plays a decisive role in durability, efficiency, and cost-effectiveness. Whether using metal or alloy construction, choosing a reliable slurry pump manufacturer ensures that the pump is tailored to handle demanding industrial slurries while providing long-term operational performance.