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A Quick Look at Chemical Centrifugal Pumps

September 12, 2025

A Quick Look at Chemical Centrifugal Pumps Chemical centrifugal pumps are workhorses in the chemical biz because they're tough, pump water consistently, run smoothly, aren't too loud, easy to tweak, and do their job well. Basically, when the pump is full of water and the impeller spins, it creates a force that shoots the water from the impeller into the pump's outer shell. This drops the pressure in the middle of the impeller lower than the pressure in the pipe that pulls water in. Because of this difference, water keeps flowing from the source into the impeller, letting the pump keep sucking in and pushing out water. Since more industries need these pumps, it's worth getting into the nitty-gritty details. Anhui Shengshi Datang's gonna walk you through 20 Q&As to clear up some of the mystery surrounding them. Let's follow Anhui Shengshi Datang to take a look. What Makes Them Special? These pumps are popular because they can handle wear and tear and keep the water flowing at a steady rate. They're good at dealing with what chemical processes throw at them; they don't rust easily, can take the heat (or the cold), resist damage, and can move liquids that are close to changing state. The Technical Stuff a. What They Are and How They're Sorted Chemical centrifugal pumps use a spinning impeller to create force. They can be vane pumps, positive displacement pumps, etc. Vane pumps use the spinning impeller to give liquids a boost, while positive displacement pumps move liquids by changing the size of a chamber. Then you've got special ones like electromagnetic pumps (which use electricity to move liquids) and jet/airlift pumps that use fluid energy to get the job done. b. What's Good About Them, and Key Numbers Centrifugal pumps can move a lot of liquid quickly. They are easy to keep running. The most important things to consider are how efficient they are and how much power they use. They keep things flowing smoothly and come in small packages, so they don't take up too much space. They're simple, with not many parts that can break, and they don't need a lot of upkeep. They're easy to adjust and don't need oil inside, so they don't mess with the liquid they're moving. c. Where Energy Gets Lost, and How Efficient They Are The main ways energy get lost are through whirlpools, resistance, and impacts. Efficiency boils down to how much power you get out compared to what you put in. Liquid loses energy because of friction inside the pump This energy turns into heat or other stuff. These losses mainly come from whirlpools, resistance, and impacts, which make the pump less efficient than it could be. Pump efficiency is the ratio of useable power versus what goes in. d. Speed and Power How fast it spins impacts flow and pressure. Power is usually measured in watts or kilowatts. How fast the rotor is spinning is speed. Power is how much energy prime mover gives to the pump. e. Pressure and Flow If you tweak the speed, the flow and pressure change, too...

Common 9 Faults and Solutions for Self-Priming Pumps

August 08, 2025

Common 9 Faults and Solutions for Self-Priming Pumps Today's news is about answering common questions regarding self-priming pumps. If you have any needs for such pumps, you can also inquire about pricing from Anhui Shengshi Datang. We also offer other pumps like magnetic pumps and centrifugal pumps, providing you with the most competitive prices. A self-priming pump is a type of centrifugal pump with a certain gas extraction capability under suction conditions. It primarily combines the gas-liquid mixing principle with the pump's unique structure to extract gas, achieving a certain level of vacuum in the pump's suction pipeline, thereby enabling centrifugal functionality. Below are the common faults and solutions for self-priming pumps. 1. Excessive Noise from the Self-Priming Pump Cause: Insufficient pump head prevents the pump from drawing water from the well, resulting in loud noise. Solution: Replace the pump with one that has adequate head and higher power to resolve the noise issue. Cause: Air leakage or intake in the pipeline between the well water level and the pressure tank allows air to enter, causing noise. Solution: Recheck the pipeline and connections for leaks and reseal or replace them if necessary. 2. Self-Priming Pump Fails to Start First, check the power supply: ensure connections are secure, switches are properly engaged, fuses are intact, and for three-phase power, confirm no phase is missing. If there are open circuits, poor contact, blown fuses, or phase loss, identify the cause and repair it promptly. Next, inspect for mechanical faults in the pump itself, such as: a. Packing being too tight or debris jamming the impeller and pump body. b. Rusted pump shaft, bearings, or wear rings. c. Severely bent pump shaft. Solution: Loosen the packing, clear the water guide channel, disassemble the pump to remove debris or rust, and straighten or replace the pump shaft if necessary. 3. Overheating of the Self-Priming Pump Cause: a. Bearing damage. b. Insufficient clearance in rolling bearings or bracket cover. c. Bent pump shaft or misalignment. d. Belt too tight. e. Lack of lubrication or poor-quality oil. f. Clogged balance holes on the impeller, causing imbalance and increased thrust. Solution: a. Replace bearings. b. Add shims between the bracket and bearing housing. c. Straighten the pump shaft or realign. d. Adjust belt tension. e. Add clean grease (filling about 60% of bearing space). f. Clear blockages in balance holes. 4. Motor-Related Issues Issue: No response after power is connected. Cause: Usually due to a short circuit in the power plug, power leads, or motor windings. Issue: Difficulty starting or failure to start, accompanied by a humming sound. Solution: Quickly flick the fan blade in the operating direction with a small tool. If the motor starts, the starting capacitor or winding may be faulty and needs replacement. If th...

China's Pump Industry in 2025: What's Happening

July 08, 2025

China's Pump Industry in 2025: What's Happening Overview Pumps are super important for moving liquids and boosting pressure in all sorts of industries – chemicals, oil, farming, medicine, city projects, you name it. By 2025, the pump market in China should be worth over 200 billion yuan, with sales going up steadily. But, there's a problem: we make too many of the basic, cheaper pumps, so there's a lot of competition there. Meanwhile, the fancy, high-end pumps (like the ones for nuclear power, deep-sea stuff, and really precise chemical work) are still mostly made by big international companies like Grundfos, Wilo, and KSB. But some Chinese companies, like Anhui Shengshi Datang Pump, are getting better with their tech and catching up to the international brands. A lot of their stuff is good enough to export now. Anhui Shengshi Datang prepped for a while to grow internationally. They started a foreign trade department and got their tech people to give customers better service. This made international business easier. Imports and Exports China makes and ships out more pumps than almost anyone else. In the first two months of 2025, we exported 770 million pumps, worth $1.5 billion, mostly to Southeast Asia, Africa, and Latin America. At the same time, we only imported 11 million pumps, worth $550 million. So, we're selling way more than we're buying. The pumps we import are usually the expensive ones with special features (like those API standard petrochemical pumps and pumps for nuclear plants), which shows that we still rely on foreign brands for the really advanced stuff. What's Driving the Industry and Where It's Going Government policies are pushing the industry forward. For example, the 14th Five-Year Plan for national water projects and upgrades to make wastewater treatment greener are creating more demand in water and environmental areas. In the future, the industry will probably focus on: 1. Smart Tech: Using the Internet of Things and AI to control pumps remotely, save energy, and predict when they need maintenance. 2. Saving Energy and Being Green: Making pumps with efficient motors, low noise, and no leaks is a big deal to meet environmental goals. 3.Getting Better at High-End Pumps: Using things like ceramic coatings and making bigger pumps (like those for turning seawater into drinking water) and special pumps (like magnetic drive pumps) to replace foreign products. Even though companies might make less money on the cheaper pumps for a while, the industry should still grow steadily in the long run by coming up with new tech and making things better overall.

What is a Chemical Pump: A Comprehensive Guide

July 01, 2025

What is a Chemical Pump: A Comprehensive Guide Understanding Chemical Pumps: Types, Applications, and Selection Guide Chemical pumps play a critical role in industries such as pharmaceuticals, agriculture, manufacturing, and water treatment. These specialized pumps are designed to safely and efficiently transfer liquids, chemicals, and other materials, ensuring precision and reliability in demanding environments. What Are Chemical Pumps? Chemical pumps are engineered to handle corrosive, abrasive, or hazardous fluids. Unlike standard pumps, they are constructed from materials resistant to chemical reactions, ensuring durability and safety in industrial applications. How Do Chemical Pumps Work? These pumps generate pressure to move fluids through a system. Depending on the design, they may use impellers, diaphragms, gears, or other mechanisms to create the necessary force for fluid transfer. Types of Chemical Pumps Different applications require specific pump designs. Below are the most common types: Centrifugal Pumps Ideal for low-to-medium viscosity fluids. Operate using an impeller to create kinetic energy for fluid movement. Diaphragm Pumps Use a flexible diaphragm to displace fluids gently. Suitable for abrasive or high-solid-content liquids. Peristaltic Pumps Employ rollers to compress a tube, pushing fluid forward. Excellent for precise dosing and handling viscous or shear-sensitive materials. Piston Pumps Utilize reciprocating pistons for high-pressure applications. Effective for thick or high-solid-content fluids. Magnetic Drive Pumps Use magnetic coupling to eliminate leakage risks. Perfect for hazardous or toxic chemicals. Gear Pumps Feature interlocking gears to move low-to-medium viscosity fluids. Provide consistent flow rates. Progressive Cavity Pumps Use a helical rotor for gentle pumping of thick or abrasive fluids. Common in food processing and wastewater treatment. Air-Operated Double Diaphragm (AODD) Pumps Powered by compressed air for portable or intermi.

Anhui Shengshi Datang Chemical Equipment Group Co., Ltd.: The Role of Submersible Pumps in Flood Prevention and Disaster Relief

June 17, 2025

Anhui Shengshi Datang Chemical Equipment Group Co., Ltd.: The Role of Submersible Pumps in Flood Prevention and Disaster Relief Recently, some regions in China have experienced heavy rainfall, leading to severe flooding. In such situations, drainage equipment becomes particularly crucial. The submersible pumps from Anhui Shengshi Datang Chemical Equipment Group Co., Ltd. have played a pivotal role due to their corrosion resistance, high flow capacity, and high head. Key advantages of submersible pumps: 1. Efficient Drainage for Rapid Water Removal Submersible pumps can be directly submerged in water for quick pumping, making them especially suitable for low-lying areas such as urban underground garages and tunnels, effectively mitigating flood damage. 2. Corrosion Resistance for Harsh Environments Floodwater often contains silt and corrosive substances that can damage ordinary pumps. Our submersible pumps are made of stainless steel, cast iron, or polymer materials, ensuring resistance to corrosion and long-term stable operation. 3. Compact Structure for Easy Installation Submersible pumps do not require additional pump rooms and can be directly placed into water for immediate operation, facilitating emergency rescue efforts. Moreover, our products are equipped with automatic coupling devices, simplifying installation and maintenance. 4. Low Maintenance and High Reliability Our pumps feature a non-clogging design, reducing the risk of debris entanglement and minimizing failure rates to ensure continuous operation during flood prevention and disaster relief. For specific products, please refer to: Stainless steel corrosion resistant submersible pump and no leakage anti-corrosion submersible magnetic drive pump.

Anhui Shengshi Datang Notes: Xuancheng Establishes Pump & Valve IP Alliance & Unveils Product Selection Guide

June 10, 2025

Recently, Xuancheng City in Anhui Province established its first intellectual property (IP) alliance for the pump and valve industry, releasing 14 member units and 10 free patent open licenses. This initiative primarily aims to address the issues of fragmented IP ownership and low conversion efficiency within the local pump and valve industry. The pump and valve industry in Jing County has already achieved an annual output value of 2 billion yuan, with fluoroplastic pumps holding a market share of up to 70%. However, there are still shortcomings in terms of IP, such as excessive fragmentation and a lack of collaboration. The new alliance hopes to foster an innovative environment by establishing mechanisms and integrating resources. Meanwhile, the local government has introduced new policies, offering a 20% subsidy on annual fees for enterprises within the alliance applying for patent open licenses, as well as bringing in professional institutions to facilitate the alignment of university research outcomes with corporate needs. As part of Jing County’s pump and valve industry, Anhui Shengshi Datang Chemical Equipment Group Co., Ltd. paid close attention to this conference. Our annual production of fluoroplastic chemical pumps is also substantial. If you are interested in ordering our pumps, please refer to the following selection checklist: a.Clarify the required flow rate and head pressure. b.Determine the type of pump (e.g., magnetic pump or centrifugal pump). c.Specify the medium name, specific gravity, and temperature. d.If there are particulates or crystallization, provide details such as solid content, particle size, and hardness. e.Indicate any motor brand requirements, such as explosion-proof and energy efficiency ratings.

API China 2025 Guangzhou Pharma Ingredients Expo

May 27, 2025

From May 21-23.2025,the 92nd China Pharmaceutical Raw Materials /Intermediates /Packaging /Equipment Trade Fair (API China) will be held at the Canton Fair Complex. API China is dedicated to enhancing the overall production and R&D capabilities of China's pharmaceutical raw materials, intermediates, and excipients. It represents the latest products and technologies in China's pharmaceutical industry, serving as a premier event that gathers industry leaders, showcases cutting-edge innovations, and reflects industry trends. Our company is proud to participate in this grand exhibition and engage in in-depth exchanges. Our magnetic drive pumps and centrifugal pumps are ideally suited for pharmaceutical applications, ensuring efficient and reliable performance. Anhui Shengshi Datang Chemical Equipment Group Co., Ltd.Booth No.: Hall 10.2, Stand 10.2A01 About Us Shengshi Datang possesses mature design and manufacturing technologies, along with a comprehensive sales and after-sales service system. Our technical support engineers provide professional solutions, ensuring seamless order execution. With 32 sales branches and offices nationwide, we implement a 24-hour rapid response mechanism to promptly address customer needs.

Exploring API610 Chemical Process Fluorine-Lined Centrifugal Pumps

May 08, 2025

Introduction When it comes to moving liquids in chemical production, safety is a big deal. A lot of the chemicals used can be really harsh, so centrifugal pumps need to be reliable both in how they work and what they’re made of. The API610 fluoroplastic-lined centrifugal pump is designed for these tough jobs, making it a solid option for handling tricky situations. 01 Versatile Applications You’ll find the API610 fluoroplastic-lined centrifugal pump in many different industries thanks to its solid performance. In petrochemical fields, it handles tough acids like sulfuric, hydrochloric, and nitric, along with strong bases like sodium hydroxide, keeping operations smooth. It’s also effective for acidic or alkaline wastewater in metallurgy. Even sectors like pharmaceuticals, paper, and textiles count on these pumps to move corrosive liquids, showing how flexible they can be. 02 Working Principle This pump has a few main components: the pump body, impeller, and shaft seal, among others. Here’s the basic idea of how it works: - The motor spins the impeller, which pushes the liquid through the pump. - Centrifugal force drives the liquid outwards, creating a low-pressure area at the center. - External pressure then pulls the liquid into the impeller. - As the liquid speeds up, it enters the volute, where its speed is converted into pressure, allowing it to be discharged at a high pressure. The fluoroplastic lining is crucial for preventing corrosion, as it protects the key parts like the impeller and pump body. This material holds up well against almost all corrosive substances, helping the pump last longer and perform reliably in harsh chemical environments. 03 Key Usage Considerations To keep everything running safely and smoothly, keep these tips in mind: - Pre-startup Checks: Ensure valves are set correctly (inlet fully open, outlet closed) and prime the pump to prevent damage from running dry. - Operational Monitoring: Watch for flow rate, pressure, and current. If something feels off, stop the pump immediately. - Temperature Control: Stick to the recommended temperature range to avoid issues with the lining. - Seal Maintenance: Regularly check the shaft seals for leaks and replace worn parts quickly. - Avoid Low-Flow Operation: Running at low flow for too long can hurt efficiency and cause overheating. The API610 fluoroplastic-lined centrifugal pump plays a big role in moving chemical liquids because it can handle tough environments and is designed smartly. Following the operational tips helps ensure it runs smoothly, making it an important piece of equipment in today’s chemical production.