A fluid machine that adds energy to a fluid is called a pump. Some authors call pumps “energy-absorbing devices” because they take in power and send most of it to the liquid, usually through a shaft that turns. Most of the time, when the energy of a fluid goes up, the pressure of the fluid also goes up. In this post, we will talk in-depth about pumps, the different slurry pump design, and how they work.
What kind of Pump is Best for Slurry?
- The Kingda Hydraulic Submersible Slurry Pump is made to quickly move rocks, slurry, gravel, sand, stone, minerals, bentonite, and other materials.
Kingda pumps produce many solids while costing very little to operate. The slurry pump will work like a submersible dredging pump by adding cutters or agitators to different excavators. It will function in other hydraulic stations.
Parts of the slurry pump design:
- Slurry pumps come with a high-efficiency agitator that moves the solids that have settled to the bottom.
- Wear parts made of high-chrome steel have a high resistance to wear.
- Rotation speed is slow to reduce wear.
- It can handle up to 70% of its weight in solids.
- All electric motors are class H and have a high service factor
- The cutting head is made with hard teeth switched out to save money on worn parts.
- A solid hydraulic motor ensures a lot of torque and long life.
- Cutters are made to work up to a depth of 250 meters and are moved by steel cables.
Cutter Submersible Slurry Pumps from Kingda:
Even when excellent material is in the way, the hydraulic cutters on a submersible slurry pump can still work. Blades can increase solid production by making the slurries more concentrated. This makes it possible to do dredging work even in the most challenging conditions.
Features of Kingda Submersible Cutters:
A cutting head is designed to save money on worn parts by using hard teeth that can be replaced. The motor’s strong hydraulics guarantee strong torque and long life.
Cutters are made to work up to a depth of 250 meters and are moved by steel cables.
Cutterhead for Kingda Hydraulic Slurry Pump:
The Hydraulic Cutterhead is a custom-made system for submersible slurry pumps. The Kingda dredging experts carefully examine what the customer wants and how the machine works to develop the slurry pump design criteria: cutter profile, size, beta, arm number and shape, tooth size, and tooth orientation. Also, the Cutterhead and the agitator work together to keep the pump suction from getting clogged.
Kingda’s Cutterhead can be used with any hydraulic slurry pump and can make the pump more efficient, especially when dealing with complex, dense materials.
- Kingda’s Solid C Series of centrifugal pumps meets hygienic standards for the water, food, dairy, beverage, personal care, pharmaceutical, and light chemical industries.
Solid-state pumps are good at what they do and don’t cost too much. They also meet the requirements of 3-A, CE, FDA, and EHEDG. They are suitable for general applications, intermittent product pumping, and clean-in-place (CIP) tasks.
- Kingda’s SLH. Positive displacement pumps with self-priming are known as Kingda’s SLH twin screw pumps. The SLH Series is best for universal or aseptic operations and applications with high viscosities, high pressures, or sensitive media.
The slurry pump design ensures that no moving parts touch each other and that there is no metal-on-metal contact inside the pump. Any non-homogeneous fluid, independent of viscosity, lubricity, or abrasiveness, can be handled by SLH.
How Does Each Type of Slurry Pump Work?
Slurry pumps are a type of pump that is used to move liquids with solids in them. Slurry pumps are built and designed differently to work with various slurries with different solid concentrations, particle sizes, shapes, and solutions.
They are more durable than liquid pumps because they have more wear-resistant material and wear parts that can be replaced. Pumps like centrifugal, positive displacement, and vortex pumps can all be used to move the slurry. Centrifugal slurry pumps can have split shafts held up by bearings, rubber- or metal-lined casings, or both.
- underwater configurations,
- vertically hanging configurations, and
- horizontal configurations.
Most of the time, the number of solids in a slurry is used to classify it.
In engineering, the slurry is categorized in a more complicated way that considers concentration, particle size, shape, and weight. This is done to figure out how bad the abrasion is.
It is harder to choose a slurry pump than it is to choose a pump for water or other liquids. Several parameters and changes to the duty point can affect the brake horsepower and wear. Root-dynamic Centrifugal Slurry Pumps, the ANSI/HI 12.1–12.6–2016 standard, explains how to calculate slurry pumps.
The speed of the impeller’s edges is one of the most important parts of slurry pumps. Due to the harsh abrasion of solids, the rate must be in line with the slurry type classification (abrasion classification) to maintain a good service life.
Before deciding on the best slurry pump, the engineers look at its capacity, head, ability to handle solids, efficiency, power, and speed.
If it was used in the mining, dredging, and steel industries to move abrasive solids. They are often made to be strong enough for demanding and heavy-duty jobs.
Some of the slurries made by mining can be corrosive, which is a problem because alloys resistant to corrosion, such as stainless steel, are weaker than high-iron steel. Most slurry pumps are made of high-chrome white iron with 25% chromium added to make it less brittle. Rubber liner casings are also used to move tiny solid particles.
How Far Can Slurry be Moved with a Pump?
The centrifugal slurry pump needs to be made to handle abrasive particles, some of which may be quite large. For example, the giant Kingda slurry pump can move things with a diameter of 530 mm.
Because of this, slurry pumps need broader and heavier impellers so that large particles can pass through. Also, they must be made of certain materials to withstand the wear caused by the solids on the inside.
People often talk about slurry transport because it causes smelly problems and traffic jams along the route. This can be fixed by pumping slurry into underground pipes.
Farmers can make a lot of money from it, and once they get their money back for the initial investment, the business is profitable.
The method works for slopes up to fifty meters high and distances of up to a few kilometers. Pumping the slurry into the ground is also cheaper and easier to do than driving.
What is the Best Kind of Slurry Pump Design from Kingda?
Pump with a circulation system and relays for a shield tunneling machine station.
The relay pump station comprises slurry pump stations that take in slurry and slurry pump stations that send out slurry. On the list of equipment for a pump station, you might find a feeding (or discharging) slurry pump, motor, transformer, frequency converter, control cabinet, sealed flushing booster pump group, etc.
The substation control system is linked to the central control room of the shield machine so that it can be controlled from afar.
- Slurry Pump Feeding Station: The moving medium is a type of muddy water mostly made up of bentonite, CMS (methyl-condensed starch), sodium carbonate, and water. The fluid should have the same chemical makeup as the layer, and its density should be between 1.05 and 1.2.
The slurry input pump is smaller, lighter, and easier to set up than the slurry discharge pump because it is less dense and wears down less quickly.
- Discharge Pumping Station for Sludge: Slurry, primarily a mix of broken-up soil slag and murky water, is used to move the sludge. Most of the time, the density is between 1.15 and 1.4.
- Separation of Slurry: Slurry Pump. At the slurry separation station, the slurry made by the shield machine being used to build the subway shield is cleaned up. How the separation station is set up and how well it works depends mostly on how fast the shield machine’s pump moves. The modular design of the separation station lets it be set up in a way that fits the different flow rates of each project.
The slurry pump is an integral part of the slurry separation station, and how well it works directly affects how well the station operates as a whole.
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