Today, many types of slurry pumps are manufactured around the world for a variety of purposes, but the world famous slurry pump is the Warman pump, which is synonymous with centrifugal slurry pumps. The basic construction of the Warman pump is a double shell construction, which is adopted by many pump manufacturers today, but when the Warman pump was developed in the 1930s, it was very revolutionary and innovative, and a great invention. Charles Harold Warman, the inventor of the Warman pump, revolutionized the slurry pump industry, including this double-shell scheme.

Charles Harold Warman was born in Kalgoorlie, Western Australia. Warman's father and grandfather both worked in the mines. He graduated from the Western Australian School of Mines. When I was working as a graphic engineer in a large gold mining company in Australia, I came into contact with slurry pumps. After a brief stint at a mining consulting firm, I set up my own studio. He patented the replaceable rubber lined pump in 1938, which was the beginning of the double shell slurry pump.

Mr Warman supplied mining equipment including pumps alongside his consulting business but gradually shifted the focus of the business to pumps and mining equipment and in 1958 the base also moved to Artarmon in Sydney.

Through the slurry pump model to introduce what are on behalf of the record, these are dry goods oh!
We take a certain specification of slurry pump as an example for analysis:
AH slurry pump model meaning: such as 4/3C-AH (R)

4: Inlet diameter 4 inches (100mm)
3: Outlet diameter 3 inches (75mm)
C: Bracket form
AH: Heavy duty slurry pump
R: Rubber material
ZJ slurry pump model significance: such as 100ZJ-I-A36
100: The outlet diameter is 100mm
ZJ: Slurry pump
I: single-stage slurry pump, second-stage pump marked II
A: Number of impeller blades. A is 5 tablets, B is 4 tablets, C is 3 tablets, and F is 6 tablets
36: impeller diameter 36cm
ZGB slurry pump model meaning: such as 200ZGB(P)
200: The outlet diameter is 200mm
Z: slurry pump
G: high lift slurry pump
B: Serial number
P: Multistage series (3-4) stages, (1-2) without marks

     Today, I saw that some customers came to the company's website www.cnsmepump.com through centrifugal slurry pumps. I must have a lot of doubts in my heart. What is the difference between centrifugal slurry pumps and slurry pumps?

     In fact, in principle, the slurry pump belongs to a centrifugal pump. Because the working principle of the slurry pump is to use the centrifugal force of the impeller to achieve the conveying of the slurry.

      Most centrifugal pumps are mainly used to transport media with physical properties similar to water, that is, no particles, or particles are very small.

The main working parts of the centrifugal pump are the impeller and the pump housing, the impeller is mounted on the shaft, and is connected with the motor or other prime movers to form a whole. When the motor drives the impeller to rotate, the blade in the impeller forces the slurry to rotate, that is, the blade of the impeller does work on the slurry along its direction of movement, thus forcing the potential energy and kinetic energy of the slurry to increase. At the same time, the slurry under the action of inertial force, flows from the center to the periphery of the impeller, and flows out at a very high speed, this process is the pressure water process. The centrifugal pump relies on the action of the rotating impeller on the liquid to transfer the mechanical energy of the prime mover to the liquid.


     Due to the role of the centrifugal pump liquid flow from the impeller inlet to the outlet process, the speed and pressure energy are increased, the liquid discharged by the impeller through the pressure chamber, most of the speed can be converted into pressure energy, and then transported out along the discharge pipeline, at this time, the inlet of the impeller due to the discharge of liquid to form a vacuum or low pressure, The liquid in the suction pool is pressed into the inlet of the impeller under the action of the liquid surface pressure (atmospheric pressure), so the rotating impeller continuously inhales and exhautes the liquid. In fact, the slurry pump is also through the centrifugal force formed by the impeller rotation to transport the slurry. So the slurry pump is also a centrifugal pump. In this way, the relationship between the slurry pump and the centrifugal pump will be clear.

     The reason why the slurry pump is called the slurry pump is defined from the conveying medium. As the name suggests, the slurry transported by the slurry pump is a mixture of solid particles containing slag and water.

Dear Customer:
Greetings!
Thank you very much for your company's trust and support to our company! We are pleased to inform you that your company ordered 3 sets of 2/1.5B-AH type slurry pump and 2 sets of 1.5/1B-AH type slurry pump has been completed, and through our strict quality inspection, the performance indicators are in line with the contract requirements, and now has the conditions for delivery.
According to the contract, our company will receive your company to pay the final payment, and immediately arrange for shipment. In order to ensure that the goods can be delivered to your company in a timely and safe manner, please arrange the payment of the final payment as soon as possible, and confirm the delivery address and contact person information. If there is any change, please contact us in time.

We will continue to provide your company with high quality products and services, and look forward to maintaining a long-term and stable relationship with your company!
If you have any questions, please feel free to contact:
Contact Person: Crystal
Phone: 0311-66692398
Mailbox: sales@cnsmepump.com
Thank you again for your support and trust!
CNSME PUMP

The impeller is a critical slurry pump component, directly influencing key performance factors such as efficiency, flow rate, head, and wear resistance. The most common types of slurry pump impellers include the open impeller, semi-open impeller, and closed impeller. Each type has distinct structural characteristics and is suited to different application scenarios:
Open Impeller
Structural Characteristics: The open impeller has no side covers, with only the blades and the supporting hub exposed. The front and rear of the blades are open, allowing solid particles to pass through the impeller more easily.
Function and Application: Open impellers are typically used for handling slurries containing larger particles or fibrous materials. Their simple design makes them easy to clean, making them particularly suitable for conditions that require frequent maintenance. Although the efficiency of an open impeller is relatively low, it performs well when dealing with high solid content and easily clogged slurries.
Semi-Open Impeller
Structural Characteristics: The semi-open impeller features a back cover, but the front remains open. This partially enclosed design allows for better control of fluid flow while still maintaining some anti-clogging capabilities.
Function and Application: Semi-open impellers are ideal for handling slurries with medium-sized particles, combining the advantages of both open and closed impellers. They offer good efficiency and wear resistance, making them suitable for applications that balance and anti-clogging performance.
Closed Impeller
Structural Characteristics: The closed impeller is fully enclosed by front and rear covers, creating a complete chamber around the blades. This design allows for better fluid control as it passes through the impeller, resulting in smoother flow and higher pump efficiency.
Function and Application: Closed impellers are mainly used for handling slurries with fewer or smaller solid particles, suitable for conditions requiring high efficiency and high head. While closed impellers may face clogging issues when dealing with high solid content, they perform exceptionally well with clean or lightly contaminated media.