Shop Best Slurry Pump Wet Parts in CNSME PUMP

slurry pump wet parts is one core product at Shijiazhuang Minerals Equipment Co., Ltd.. Carefully researched and developed by our technicians, it has several superior characteristics that fully meet the needs of customers in the market. It is characterized by stable performance and durable quality. Besides that, it is elaborately designed by professional designers. Its unique appearance is one of the most recognizable characteristics, making it stand out in the industry.

Shijiazhuang Minerals Equipment Co., Ltd. stands out in the industry with its slurry pump wet parts. Manufactured by first-rate raw materials from the leading suppliers, the product features exquisite workmanship and stable function. Its production strictly adheres to the latest international standards, highlighting the quality control in the whole process. With these advantages, it is expected to snatch more market share.

At CNSME, every member of our customer service team is personally involved in providing exceptional slurry pump wet parts services. They understand it is important to make ourselves readily available for an immediate response regarding pricing and product delivery.

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CNSME PUMP successfully introduced imported technology in the production of slurry pump wet parts.

Knowledge about slurry pumps and water pumps

When it comes to slurry transportation, familiarity with pumps and their parts is par for the course. However, it's also important to understand what goes into each element of slurry transport. So about "What is the difference between a slurry pump and a water pump?", "What are the types of slurry pumps?" How much do you know?

Slurry pumps versus water pumps
What distinguishes slurry from other fluid types is the presence of a solid — gravel, copper, or sand — within a liquid. Although in many cases, that liquid is water, a slurry may contain solvents, like acids, alcohols, or petroleum. Those non-water components, whether solids or solvents, make slurry pumps necessary.

slurry pump-types
In contrast to water pumps' narrow and often inexpensive components, large replaceable slurry pump parts are made of sturdy, often specialized materials. These parts allow pumps to move nearly any type of solid within a slurry efficiently and safely. Water pumps, on the other hand, lack the hydraulic capacity to move solid particles and are unable to withstand the particle abrasion and chemical corrosion that slurries can cause.

Follow CNSME® (a slurry pump supplier from China) to learn more about pumps.

Importance of Dynamic Balance Testing for Slurry Pumps

Improving Operating Efficiency: Submersible slurry pumps that have undergone dynamic balance testing have reduced friction between internal components and lower energy losses due to the significant reduction in vibration and noise, thus improving the operating efficiency of the pump.
Extending Service Life: Vibration is one of the main causes of wear and damage to components of submersible slurry pumps. Through dynamic balance testing, vibration can be effectively reduced, protecting vulnerable components such as bearings and seals, thereby extending the overall service life of the pump.
Enhancing System Stability: As part of a fluid processing system, the vibration of submersible slurry pumps will be transmitted to the entire system through structures such as pipes and supports. Reducing the vibration of the pump is conducive to improving the stability and reliability of the entire system and reducing the downtime caused by vibration-induced failures.
Ensuring Safe Production: In industries such as chemical and petroleum, the media processed by submersible slurry pumps often have characteristics such as flammability, explosiveness, and toxicity. Excessive vibration may lead safety accidents such as leakage and explosion. Dynamic balance testing is one of the important means to ensure that the pump operates in a safe state.
Meeting Environmental Protection Requirements: With the increasingly strict environmental protection regulations, noise and vibration emissions in the industrial production process are also strictly restricted. Through dynamic balance testing, the noise and vibration levels of submersible slurry pumps can be effectively reduced to meet environmental protection requirements.

Summary Of Reasons For Excessive Power Consumption Of Slurry Pumps

Slurry pumps are generally used in large-scale industrial applications. The actual products can be widely used in mining, electric power, metallurgy, coal and other industries to transport slurries containing abrasive solid particles.It is specifically used in slurry transportation in metallurgical dressing plants, hydraulic ash removal in thermal power plants, coal slurry and heavy medium transportation in coal washing plants, etc.At the same time, it can also be used in the chemical industry to transport some corrosive slurries containing crystals, which requires special materials.

The common application range of slurry pumps is in the mining industry, and about 80% of them are used in mineral processing plants in the mining industry.The working conditions of ore primary selection are relatively harsh, and slurry pumps are mainly used as the transport medium. Therefore, in this section, the service life of slurry pumps is generally low. Faced with different ores, the abrasiveness is also different, so high chromium alloy is now used as the main slurry pump material.

There are many materials for the flow parts of the slurry pump. The main operation process of the slurry pump is to rely on the motor to drive the impeller to rotate at high speed to generate centrifugal force and send the material out through the impeller.During operation, the flow-passing impeller volute must withstand the erosion, wear and corrosion of materials.Therefore, the wear resistance and corrosion resistance of the flow-passing parts of the slurry pump are important indicators for measuring the quality of the slurry pump.

　The problem of excessive power consumption often occurs during the use of slurry pumps. In response to this problem, the technical staff of the slurry pump company summarized the following reasons:

　1. The viscosity of the liquid being transported increases;

　2. SlagThe speed of the slurry pump becomes higher;

　3. The specific gravity of the transported liquid exceeds the original design value;

　4. The size of the water pump impeller is too large;

　5. The resistance of the piping system exceeds or is less than the predetermined value;

　6. RotorThere is friction between the parts and the stator parts;

　7. The flow rate of the slurry pump is too large;

　8. The pressure of the mechanical seal on the seal seat is too large, and the bearings are worn or damaged;

　9. The lift of the slurry pump is too low and the flow rate is too large;

　10. There is friction between the rotor parts and the stator parts;

In addition, if the balance device of the slurry pump does not work, the thermal expansion of different parts in the slurry pump is uneven, etc., it is also the reason for the excessive power consumption of the slurry pump.

What Is A Corrosion-resistant Pump, And What Corrosion-resistant Materials Are There?

What is a corrosion-resistant pump? A corrosion-resistant pump is a type of pump, but the liquid it transports is not water. The pH value of the water is neutral and the corrosion is not high. However, when the liquid pH value is high or low, it involves the corrosion of acid and alkali liquids. Generally, civil water pumps have a very high one-time damage rate, mainly because overflow components have no corrosion-resistant materials and are severely damaged when corrosion occurs.

There are many materials for anti-corrosion pumps, which are roughly divided into metal corrosion-resistant pumps and non-metal corrosion-resistant pumps.

Corrosion has always been one of the troublesome issues in chemical equipment. If you are not careful, it can damage the equipment at the least, and cause accidents or even disasters at the worst. There is usually a misunderstanding that stainless steel is a good material, and it is very dangerous to use stainless steel pumps regardless of the medium and environmental conditions.

The following is a key point for choosing corrosion-resistant pump materials for some commonly used chemical media:

1. Hydrochloric acid: Most metal materials are not resistant to hydrochloric acid corrosion (including various stainless steel materials), and high molybdenum-containing ferrosilicon can only be used for hydrochloric acid below 50℃ and below 30%. In contrast to metal materials, most non-metallic materials have good corrosion resistance to hydrochloric acid, so lined rubber pumps and plastic pumps (such as polypropylene, fluoroplastic, etc.) are the best choices for transporting hydrochloric acid.

2. Acetate: It is one of the highly corrosive substances among organic acids. Ordinary steel will seriously corrode in acetic acid at all concentrations and temperatures. Stainless steel is an excellent acetic acid-resistant material. Molybdenum-containing 316 stainless steel can also be suitable for high temperature and dilute acetic acid steam. For high-temperature and high-concentration acetic acid or other corrosive media, high-alloy stainless steel pumps or fluoroplastic pumps can be used.

3. Sulfuric acid: It is one of the strongly corrosive media, and sulfuric acid is an important industrial raw material with a wide range of uses. Sulfuric acid at different concentrations and temperatures has great differences in corrosion resistance to materials. For concentrated sulfuric acid with concentrations above 80% and temperatures less than 80℃, carbon steel and cast iron have good corrosion resistance, but they are not suitable for high-speed flowing sulfuric acid and are not suitable as pump and valve materials; ordinary stainless steels such as 304 (0Cr18Ni9) and 316 (0Cr18Ni12Mo2Ti) also have limited uses for sulfuric acid media. Therefore, pumps and valves for conveying sulfuric acid are usually made of high silicon cast iron (casing and processing are difficult) and high alloy stainless steel (alloy No. 20). Fluoroplastics have good sulfuric acid resistance, and using fluorine-lined pump F46 is a more economical choice.

4. Nitric acid: Generally, metals are rapidly corroded and damaged in nitric acid. Stainless steel is a widely used nitric acid-resistant material and has good corrosion resistance for all concentrations of nitric acid at room temperature. It is worth mentioning that the corrosion resistance of molybdenum-containing stainless steel (such as 316, 316L) to nitric acid is not only not better than that of ordinary stainless steel (such as 304, 321), but sometimes even worse.

5. Alkali (sodium hydroxide): Steel is widely used in sodium hydroxide solutions below 80℃ and 30% concentrations. Many factories still use ordinary steel at 100℃ and 75%. Although corrosion increases, it has good economicality. The corrosion resistance of ordinary stainless steel to alkali liquid has no obvious advantages compared to cast iron. It is not recommended to use stainless steel as long as a small amount of iron is allowed to be mixed into the medium. For high-temperature alkali liquids, titanium and titanium alloys or high-alloy stainless steel are mostly used. The company's general cast iron pumps can be used in low-concentration alkali liquids at room temperature, and various stainless steel pumps or fluoroplastic pumps can be used when special requirements are required.

6. Alcohols, ketones, esters, and ethers: Common alcohol media include methanol, ethanol, ethylene glycol, propanol, etc., ketone media include acetone, butanone, etc., and ester media include various methyl esters, ethyl esters, etc., and ether media include methyl ether, ethyl ether, butan ether, etc. They are basically not corrosive and common materials are applicable. When selecting, reasonable choices should be made based on the properties of the medium and related requirements. It is also worth noting that ketones, esters and ethers are soluble in a variety of rubbers, so errors should be avoided when choosing sealing materials.

7. Ammonia (ammonia hydroxide): Most metals and non-metals have very mild corrosion in liquid ammonia and ammonia water (ammonia hydroxide), and only copper and copper alloys are not suitable for use. Most of the company's products are suitable for the transportation of ammonia and ammonia water.

8. Brine (seawater): The corrosion rate of ordinary steel is not too high in sodium chloride solution, seawater and salt water, and generally requires coating protection; various types of stainless steel also have very low uniform corrosion rates, but local corrosion may be caused by chloride ions, and 316 stainless steel is usually better. The company's various chemical pumps have 316 material configurations.

The Slurry Pump Casing Is Worn, And Timely Repair Is Very Important

　　As slurry pumps are used for a long time, some parts will inevitably wear to a certain extent, and the pump shell is one of them. If the wear is not serious, they can continue working. If the equipment is severely worn, it may cause the pump housing to crack and damage the entire equipment. At this point, we need to repair the damaged parts of the device. Let's see how to fix them.

1. Before repairing the worn parts of the pump housing, the impeller must be removed to leave an operable space, and on-site dust protection and safety protection must be done.

2. First observe the severity of the pump case wear, and then consider which repair method to use.

3. Pre-weld the leakage points of the pump body to strengthen the leakage points and weak areas, and then rinse the pump shell with plenty of clean water to remove the remaining paint on the surface.

4. Afterwards, perform sandblasting on the surface of the pump shell to remove the oxide layer, increase the roughness of the pump shell repair surface, and enhance the adhesion of the repair material.

5. When repairing the slurry pump housing, use high-quality materials for spraying. Clean the surface before spraying, and then start spraying.

6. When spraying, the paint must be mixed in a certain proportion and applied correctly.

7. After the initial repair, perform a secondary repair to ensure that the entire protective layer surface is free of defects.

8. After the repair is completed, perform heat curing to fully bring out the performance of the repair material.

Many users do not pay attention to slurry pump housing wear and think it is insignificant. However, if left untreated, long-term wear will seriously affect the normal operation of the equipment. Therefore, we would like to remind everyone that when pump case wear is found, the cause must be identified and resolved in a timely manner to prevent the situation from worsening and rendering the equipment unusable.

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