WG 高揚程スラリーポンプ

ポンプの紹介

仕様:

サイズ: 65-300mm
能力: 37-1919m3/h
ヘッド: 5-94m
ハンドリング固体: 0-90mm
濃度:最大70%
最高圧力:Max.4.5mpa
材質：ハイパークロム合金等

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.

特徴

CAD のモダンなデザイン、超油圧性能、高効率、低摩耗率。

通路が広く、詰まりがなく、NPSH の優れた性能。

スラリーの漏れを防ぐために、パッキンシールとメカニカルシールを組み合わせたエクスペラシールを採用しています。

信頼性設計により、長い MTBF (イベント間の平均時間) が保証されます。

オイル潤滑を備えたメートル軸受、合理的な潤滑および冷却システムにより、軸受は低温でも確実に動作します。

接液部の材質は耐摩耗性と耐腐食性に優れています。

このポンプは、海水、塩分、霧による腐食、電気化学的腐食を防ぐため、海水灰の除去に使用できます。

許容圧力内でポンプを多段直列で運転することができます。

このポンプには、合理的な構造、高効率、信頼性の高い動作、容易なメンテナンスという利点があります。電力、冶金、鉱山、石炭、建設資材、化学工業部門で研磨性固体と腐食性固体を含む混合物の処理、特に発電所での灰やスラッジの除去に広く使用できます。

ポンプの表記法

100WG(P):

100：出口径(mm)

WG：高揚程スラリーポンプ

P：多段ポンプ（無印は1～2段）

WGスラリーポンプは、横型、単段、片吸込、片持ち式、二重ケーシング、遠心スラリーポンプです。ポンプは駆動側から見て時計回りに回転します。

WGポンプとWGPポンプの接液部は同じ出口径で互換性があります。外形取付寸法も同一です。 WG(P)スラリーポンプの駆動部には、オイル潤滑と内外2組の水冷装置を備えた横分割フレームを採用しています。必要に応じて冷却水を供給することができます。冷却水用に作成した継手と冷却水の圧力を表 1 に示します。

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

ポンプを直列で運転する場合は高圧封水付メカニカルシール、単段ポンプの場合はパッキンと組み合わせたエクスペラーシールを推奨します。

各軸シールの水圧と水量は以下の通りです。

1) 封水圧

エクスペラシールとパッキンを組み合わせた単段ポンプの場合、軸シールの水圧は0.2～0.3MPaとなります。

エクスペラシールとパッキンを組み合わせた多段直列運転の場合、封水圧力は次のようになります。 n段の最低封水圧力 = Hi + 0.7Hn Where: n ≥2.

メカニカルシールの場合、ポンプ各段の封水圧力はポンプ出口圧力より0.1Mpa高くなります。

2) 封水圧力(表1参照)

表 1: 封水パラメータ

建設設計

ポンプ部材質

パフォーマンスカーブ

設置寸法

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.