WG vysokotlakové kalové čerpadlo

Úvod do pumpy

TECHNICKÉ ÚDAJE:

Veľkosť: 65-300 mm
Výkon: 37-1919m3/h
Hlava: 5-94m
Manipulácia pevných látok: 0-90 mm
Koncentrácia: Max.70%
Max.tlak:Max.4,5mpa
Materiály: Hyperchrómová zliatina atď.

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.

Vlastnosti

CAD moderný dizajn, super hydraulický výkon, vysoká účinnosť a nižšia miera oderu;

Široký priechod, neupchávanie a dobrý výkon NPSH;

Tesnenie expeleru kombinované s tesnením upchávky a mechanické tesnenie bolo použité na zabezpečenie úniku kalu;

Dizajn spoľahlivosti zaisťuje dlhé MTBF (stredný čas medzi udalosťami);

Metrické ložisko s olejovým mazaním, primeranými mazacími a chladiacimi systémami zabezpečujú prevádzku ložiska pri nízkej teplote;

Materiály mokrých častí majú dobrý výkon proti opotrebeniu a korózii;

Čerpadlo možno použiť na odstraňovanie popola z morskej vody, aby sa zabránilo korózii morskej vody, soli a hmly a elektrochemickej korózii;

Čerpadlo môže byť prevádzkované v sérii s viacstupňovým v rámci povoleného tlaku.

Čerpadlo má výhody rozumnej konštrukcie, vysokej účinnosti, spoľahlivej prevádzky a ľahkej údržby. Má široké využitie pri manipulácii so zmesou abrazívnych a korozívnych pevných látok v elektroenergetike, hutníctve, baníctve, uhoľnom priemysle, stavebníctve a chemickom priemysle, najmä pri odstraňovaní popola a kalov v elektrárňach.

Pump Notation

100WG(P):

100: Priemer výstupu (mm)

WG: Vysokotlakové kalové čerpadlo

P: Viacstupňové čerpadlá (1-2 stupne bez značky)

Kalové čerpadlo WG je horizontálne, jednostupňové, jednosacie, konzolové, dvojplášťové, odstredivé kalové čerpadlo. Čerpadlo sa otáča v smere hodinových ručičiek pri pohľade z hnacieho konca.

Mokré časti čerpadla WG a WGP pri rovnakom výstupnom priemere môžu byť zameniteľné. Ich obrysové inštalačné rozmery sú tiež rovnaké. Pre hnaciu časť kalového čerpadla WG(P) bol použitý horizontálny delený rám s olejovým mazaním a dvoma súpravami vodných chladiacich systémov vo vnútri a vonku. V prípade potreby je možné dodať chladiacu vodu. Pripravený spoj pre chladiacu vodu a tlak chladiacej vody je možné vidieť v tabuľke 1.

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

Mechanická upchávka dodávaná s vysokotlakovou tesniacou vodou sa odporúča, ak je čerpadlo prevádzkované v sérii, a expelerové tesnenie kombinované s tesnením sa používa v jednostupňovom čerpadle.

Tlak vody a množstvo všetkých druhov tesnení hriadeľa je nasledovné:

1) Tlak tesniacej vody

Pre jednostupňové čerpadlo s výtlačným tesnením kombinovaným s tesnením je tlak vody v hriadeľovom tesnení 0,2-0,3 MPa.

Pri viacstupňovej sériovej prevádzke s uzáverom expeleru v kombinácii s tesnením by tlak tesniacej vody mal byť: Najnižší tlak tesniacej vody n stupňa = Hi + 0.7Hn Where: n ≥2.

V prípade mechanického tesnenia je tlak tesniacej vody každého stupňa čerpadla o 0,1 MPa vyšší ako tlak na výstupe čerpadla

2) Tlak tesniacej vody (pozri tabuľku 1)

Tabuľka 1: parametre tesniacej vody

Konštrukčný dizajn

Materiál časti čerpadla

Výkonová krivka

Inštalačné rozmery

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.