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In the past few years, we have noticed that many industrial sectors are facing numbers of difficulties in transferring the slurry. As for example, ceramic industry has the biggest issue of transferring slurry from one place to another. Either there is a problem in a pump or the efficiency of the pump is very low in transferring the slurry. Ceramic industries are only one example there are numbers of other industries who are facing the issue of transferring slurry.

Now:

What is a Slurry?

A Slurry is a thin sloppy mud and any mixture of fluid, like water and a pulverized solid. In easy words, the mixture of ore concentrate and water is called slurry. Industries like ceramic, cement, chemical, etc. are facing a big issue in transferring the slurry.

The best part?

Sujal Engineering has specially designed a slurry pump to move ores, such as coal or iron, or mining waste. In short, our slurry pumps are designed to handle solids in bulk in various industry.

Slurries are divided into two main categories:

1. Non-settling slurries
2. Settling slurries

1. Non-settling slurries: Non-settling slurry consists of fine particles and varies with mixture velocity and solids concentration. Non-settling slurries have very low wearing properties. While selecting the right pump to keep your proper attention because this slurry does not behave in the same manner as a normal liquid does.
2. Settling slurries: Settling slurries are built by coarse particles that form an unstable mixture. Majority of the slurry applications are made up of coarse particles and due too that settling slurries have higher wear properties. Keep close attention to flow and power calculation while selecting a pump.

How mining is done?

Mining is the process designed for extracting valuable or geological materials and for the recovery of Ores which includes metals, coal, oil shale, gemstones, dimension stones, rock salt, gravel and clay.

Mining is also designed for extracting any non-renewable resource such as petroleum, natural gas, or water. The mining process is used for the materials which cannot be grown through agricultural processes or created artificially in a factory.

Why does slurry pump matter in mining industry?

Buying right slurry pump for slurries is very critical part and the components of a pump such as an impeller size and design, material of construction, and discharge configurations are considered to ensure that the pump which holds up and waits for polishing or cleaning a hard surface by rubbing or grinding.

In comparison between Slurry pumps and low-viscosity liquid pumps the slurry pumps are larger in size. Because of Less efficiency Slurry pump requires high horsepower to operate. Centrifugal slurry pump is the most common pump among various types of pumps. The centrifugal pump is designed which uses the centrifugal force generated by rotating impeller to impart kinetic energy to the slurry.

Considerations regarding slurry pumping!!

To pump slurries it&#;s very difficult task because the slurries are heavy. Your considerations regarding the type of slurry, the choice of pump and to select a positive displacement slurry pump this type of challenges occurs when deciding the maintenance of centrifugal slurry pumps.

Important factors for considering a slurry pump for mining.

1. Abrasive wear
2. Maintenance
3. Operating efficiency

• Abrasive wear:

Abrasive wear is highly capable of polishing or cleaning a hard surface by rubbing or grinding and abrasive wear varies with velocity. These slurry pumps work effectively in transporting mineral slurries and also operates at a slow speed which is such a good thing.

Slurry travels through tight places like rotors but slurry does not pass through tight constrictions.

• Maintenance: Centrifugal slurry pumps maintenance could be considerable as compared to slurry pump which requires maintenance only on annual or semi-annual basis. 
• Operating efficiency: These pumps are been operated efficiently.

It&#;s the main task to find the path that allows the slurry pump to run as slow as possible and to reduce wear, the pumps discharge pressure points to the lowest point.

Follow instructions for pumping properly to ensure a constant and uniform delivery of the slurry to the pump. And it is important to select a good slurry pump because slurries can damage the pump if not properly selected.

Pumping slurries faces several challenges and problems day-by-day but with proper equipment and engineering, you can experience many years of worry-free operation.

Our highly efficient slurry pumps are uniquely designed for transferring slurries in the mining industry. We have a proven track record of supplying the best slurry pumps for various applications. Sujal Engineering has also manufactured various kind of industrial pumps.

If you are looking for the best slurry pumps for your applications then feel free to contact us or visit our website: www.sujalpumps.com

Read More: 

What Slurry Pump Design Features Should You Be Aware Of?

by Steven Rose

As a quarry manager, one of the most important components of your washplant is the slurry pump system. 

&#;Many standard pumps are fine for moving rain/clear flood water but for slurry pumps, life isn't so smooth.&#;  

So, what to be aware of when choosing a pump for slurry handling? There are many factors that good slurry pump manufacturers need to bear in mind in the design and specification. Being aware of these will enable you to choose the correct pump for your quarry sludge transfer pumping.

Are you interested in learning more about Slurry pump for coal industry bulk? Contact us today to secure an expert consultation!

What Specific Design Features Do Industrial Slurry Pumps Need?

Sludge from quarrying or post-washplant carries solids such as sand or other minerals, often of a wide range of unpredictable particle size and type. Some of these are very abrasive and can quickly wear down vital parts resulting in a shortened pump life, reduced performance, or costly breakdown. 

Important features quarry managers look out for when buying a slurry pump:

Longevity of Materials. Quality slurry pumps are built with abrasive resistant parts and internal linings such as specially formulated rubbers and high-chrome alloys.

Viscosity and Particle Size Range. Over time and season, your slurry composition is likely to vary so the pump needs to handle a sensible range. Impeller blades in slurry pumps are generally larger than general-purpose pumps to enable them to pass larger solids and must be designed to retain good pressure head results.

Ease of Maintenance. Wearing parts need to be quickly accessed for inspection and replacement when needed, with minimal downtime. A split-case pump design makes it quick and cost-effective to replace worn parts without replacing the whole pump. 

Correct levels of lubrication must be maintained to ensure continued performance, safety, and efficiency of mechanical parts. Pumps with an auto-greasing system save time and ensure that this task is done consistently.

Size and Power of Pump. This is determined largely by the volume and transfer distance. Slurry pumps typically have a flatter head curve to aid the movement of thicker solution over the entire length of the discharge pipe.

Balancing energy usage with reliable capacity is becoming more critical. Over-spec can lead to significant profit revenue losses and unnecessary climate impact whilst going cheap risks having to buy again or repair too soon. Ask Atlantic Pumps for help calculating the power necessary for your particular flow and head requirements.

Parts and Service Availability. Always check the brand&#;s parts availability/servicing requirements and look out for pump units that can be opened up to access the areas taking the brunt of wear and tear. You need to keep production going at all times. Atlantic Pumps understand this importance so carry good stocks of spare parts, backed up by extensive UK-wide coverage of specialist quarry pump engineers. 

How Much Leakage Is Acceptable?

The shaft entrance into the impeller chamber is where leakage is most likely to occur on any centrifugal pump. Whether this is of concern depends on the slurry being handled.

The most basic seal (and lowest cost from the manufacturer&#;s side) is a flexible and absorbent rope-like sealant, called a gland seal. The tighter the packing, the less leakage but also more resistance is created. To keep these opposing attributes balanced over time, regular re-packing of gland seals is necessary. 

An improvement on this is an expeller seal which uses the spinning shaft to reduce the pressure at its entrance; this works well when the pump is in full operation albeit with a slight increase in resistance.

By far the best performing seal, which has the lowest lifetime running cost is the mechanical seal. SlurryPro Mechanical Seals are a two-part, precision-made mechanism with a micron lubricating gap between stationary and rotating parts.  For more information on pump seals see https://atlanticpumps.co.uk/blogs/news/sealing-systems-for-centrifugal-slurry-pumps

Which Pump Type Is Best For Slurry?

Slurry pumps typically have a flatter head curve compared to general-purpose pumps to the aid transfer of thick slurry over further distance.

One of the most common types of pump used for slurry is a centrifugal action one. The simple concept of a centrifugal pump gives pump manufacturers more scope to match the capacity and flow rate to the target need. Optimum efficiency and performance can be achieved through impellor design and size of inlet and outlet. By using larger impeller vanes, these pumps can be made to pass larger solids with ease whilst still achieving the required head. 

Centrifugal pumps take up less floor space than an equivalent reciprocal pump, with obvious advantages for site operations and logistics.

Horizontal Pump or Vertical?

Vertical pumps are good where they need to sit over a sump whereas horizontal pumps are best where the performance of flow and head are most important, making them the most common solution for quarries and other sites with bulk slurry handling needs.

Another type of pump that may suit particular slurry transfer needs is a peristaltic pump. As the pumped fluid does not come into direct contact with the pump&#;s mechanics, industrial peristaltic pumps are good for corrosive or difficult-to-clean slurry.

For more information on selecting the perfect slurry pump for your quarry, visit www.atlanticpumps.co.uk today.

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