"chemical" - Knowledge Search

Disassembly and installation of high pressure and high temperature chemical pump

Disassembly and installation of high pressure and high temperature chemical pump 　　How is the disassembly and installation of the high pressure and high temperature chemical pump? We use ZA petrochemical process pump to highlight: 　　 One, ZA petroleum high pressure and high temperature chemical pump preparation before starting 　　 1. Clean the pump and the site before starting. 　　2. Check whether the amount of lubricating oil in the bear...

The basic relationship of cavitation of stainless steel chemical pump, how to prevent cavitation

The basic relationship of cavitation of stainless steel chemical pump, how to prevent cavitation 　　When the liquid is at a certain temperature, when the pressure is reduced to the vaporization pressure at that temperature, the liquid produces vapor bubbles. This phenomenon of generating bubbles is called cavitation. The bubbles generated during cavitation, when flowing to a high pressure, their volume is reduced to burst. This phenomenon of bubbles disappearing in the liquid due...

Recommendations for use and maintenance of ih type chemical centrifugal pump

Recommendations for use and maintenance of ih type chemical centrifugal pump 　　Chemical pumps are widely used in the chemical, metallurgical, pharmacy, and chemical foil industries, all with important applications. This article takes the ih type chemical centrifugal pump as an example, and puts forward some suggestions on the daily use and maintenance of chemical pumps. The operation conditions of the pumps should be checked frequently, and targeted technical transformations sho...

Disassembly and assembly procedures and precautions of ih type stainless steel chemical centrifugal pump

Disassembly and assembly procedures and precautions of ih type stainless steel chemical centrifugal pump 　　 IH type horizontal stainless steel chemical centrifugal pump disassembly and assembly ih type horizontal stainless steel chemical centrifugal pump 　　Ih type stainless steel chemical centrifugal pump disassembly: Due to the use of an extension coupling, when disassembling the pump, it is not necessary to disassemble the inlet and outlet pipelines,...

How to choose the operating model of chemical pump in low liquid level environment?

How to choose the operating model of chemical pump in low liquid level environment? Answer: In low liquid level conditions, customers usually consider how the liquid level enters and exits the chemical pump cavity when selecting chemical pumps. In the low liquid level conditions where idling is strictly prohibited, many customers also choose centrifugal chemical pumps. , In the installation of bottom valve or liquid storage irrigation, or the use of additional water dive...

Introduction of three types of corrosion-resistant alkali pumps for chemical industry

Introduction of three types of corrosion-resistant alkali pumps for chemical industry 　　 In the chemical production process, lye is mostly liquid substances, from raw materials to semi-finished products and finished products. Although chemical products are liquid substances, most of them are flammable, explosive and highly corrosive hazardous substances. Therefore, unlike ordinary pumps, chemical corrosion-resistant alkali pumps have higher requirements for their safety and will...

Vibration damping measures for high temperature and high pressure chemical pump units under flood conditions

Vibration damping measures for high temperature and high pressure chemical pump units under flood conditions 　　 In the flood, it is more common to be forced to shut down due to severe vibration of the high temperature and high pressure chemical pump unit, resulting in "closed door flooding". The severe vibration of some pumping stations during abnormal operation broke the glass of the pump room. High temperature and high pressure chemical pump According to the ...

Fluorine plastic lined chemical centrifugal pump installation foundation and installation procedure

　　 Fluorine plastic lining chemical centrifugal pump installation foundation and installation procedure: 　　1 Fluoroplastic lined chemical centrifugal pump and motor should be installed together on a floating inertia base with no less than 95% isolation effect, and then supported on the concrete base with spring-type vibration isolators and shock-proof washers. 　　2 When installing corrosion-resistant fluoroplastic lined chemical pumps, pay attention to the axial position of each pump. For pumps...

What type of 98% acid pump is a special chemical pump for concentrated sulfuric acid?

In the chemical industry, sulfuric acid is a highly corrosive chemical substance, and sulfuric acid is divided into concentrated sulfuric acid and dilute sulfuric acid according to its concentration. Concentrated sulfuric acid (98% acid) refers to a sulfuric acid solution with a mass fraction of 70% or more. Then the concentrated sulfuric acid chemical pump must first choose the material, the material is optional: fluoroplastics, because fluoroplastics have a long service life, are not aging, an...

Maintenance and repair of self-balancing corrosion-resistant chemical centrifugal pump

Due to the particularity of its working environment, such as industrial corrosiveness, acidic medium transportation, chemical agent transportation, etc., in order to maintain the efficient and stable working conditions of self-balancing corrosion-resistant chemical centrifugal pumps, corrosion-resistant chemical centrifugal pumps such as DFP self-balancing Stainless steel corrosion-resistant chemical pumps must be maintained and repaired frequently, and the maintenance interval depends on the op...

Design of mechanical seal of high-pressure grey water circulation pump for coal chemical industry

To make the high-pressure grey water circulation pump stable, long-term and reliable, it is necessary to design high-quality mechanical seals carefully. How to use new materials and new processes to improve the high temperature resistance, high pressure resistance and abrasion resistance of mechanical seals is an important research direction. The shaft seal of the high-pressure gray water circulating pump belongs to the category of high-pressure mechanical seals. The American API682 mechanica...

Ten major causes of vibration/vibration of chemical corrosion-resistant centrifugal pumps

　　Vibration is an important index to evaluate the operational reliability of chemical corrosion-resistant centrifugal pump units. The main hazards of excessive vibration are: vibration causes the pump unit to fail to operate normally; it causes vibration of the motor and pipeline, causing damage to the machine; causing damage to the bearing and other parts; causing loose connection parts, basic cracks or motor damage; The pipes or valves connected to the water pump are loose or damaged; vibratio...

Technical Standards for Overhaul of Rolling Bearings of Centrifugal Pumps Used in Corrosion-resistant Chemical Industry

Corrosion-resistant chemical centrifugal pumps generally have two types: vertical and horizontal. Horizontal types include direct coupling and split. Usually, the motor is used to drive the impeller to complete the delivery. The bearing is a very important rotating equipment when the centrifugal pump rotates. Bearing types Many, common rolling bearings generally consist of four parts: Cage-used to evenly separate the rolling elements to prevent friction and collision between the rolling element...

Diagnosis and mitigation of cavitation damage of anti-corrosion chemical fluorine-lined centrifugal pump

A. Cavitation diagnosis method of anti-corrosion chemical fluorine-lined centrifugal pump Users of anti-corrosion chemical fluorine-lined centrifugal pumps generally may not be able to use the method adopted by the manufacturer to determine whether the pump cavitation occurs, that is, the method of determining whether cavitation occurs by the drop of the head when the flow rate is constant. Whether the fluorine-lined centrifugal pump has cavitation, in addition to the observation method after c...

What you should know about the installation of denitrification chemical pumps

As the largest source of nitrogen oxide emissions in my country's industrial sector, the coal and iron ore industries to achieve ultra-low denitrification emissions will be the key direction of atmospheric governance. The denitrification chemical pump is an indispensable equipment in the denitrification control system. If the denitration pump is installed incorrectly, the pump will not work properly, so let's take a look at what knowledge points should be known when installing the denitrificatio...

IHF65-50-125A chemical pump detailed parameters, performance curve diagram, installation reference diagram

IHF65-50-125A chemical pump parameters model：IHF65-50-125A Outer diameter of impeller (mm)：128 Flow rate (m3/h)：25 Head (m)：20 Speed (r/min)：2900 Efficient(%)：64 Shaft power (KW)：2.13 Motor power (KW)：3 Necessary cavitation allowance (m)：3.5 Mass (kg)：100 Medium temperature：-85℃~200℃ motor model：Y100L-2 Import caliber：65 Export caliber：50 Impeller steering：Clockwise IHF corrosion-resistant fluoroplastic chemical pump is a single-stage single-suction fluoroplastic ...

Characteristics of mechanical seal material of corrosive-resistant fluorine chemical centrifugal pump bellows

Corrosion-resistant fluorine chemical centrifugal pump mechanical seal is commonly used in the form of bellows mechanical seal, but few people know what material combination it has, what kind of material is matched under what industrial and mining conditions, and today Zoomlion Pump Industry will talk to you about resistance The material characteristics of the corrosive lined fluorine chemical centrifugal pump bellows mechanical seal. Corrosion-resistant fluorine chemical pump mechanical seal...

Maintenance requirements for various parts of fluorine-lined centrifugal chemical pumps

After long-term use of fluorine-lined centrifugal chemical pump, the vulnerable parts in the fluorine-lined centrifugal chemical pump will be worn to a certain extent. It mainly includes mechanical seals, bearings, impellers, etc., and the equipment will be damaged as the operating time increases. When we use fluorine-lined centrifugal chemical pumps, we must pay attention to the maintenance of fluorine-lined centrifugal pumps. On the contrary, we can reduce the cost during overhaul. So how shou...

Correctly install the corrosion-resistant chemical centrifugal pump sealing gasket operation steps

With the rise of modern industry, especially modern petroleum, chemical industry, atomic energy industry, and large-scale power stations, pressure vessels are used for high-temperature, high-pressure, high-vacuum, chemical pumping, corrosion-resistant pumps, cryogenic and large-scale equipment, and corrosion-resistant places. Sheet seals continue to put forward new requirements, and various new materials and new structures continue to appear, and their sealing performance is also very different....

How to maintain corrosion-resistant pumps and chemical pumps in industrial production?

Corrosion-resistant pumps Chemical pumps are mechanical equipment used to transport fluid media and increase fluid working pressure. Including: centrifugal pumps (ordinary centrifugal pumps, axial flow pumps, canned centrifugal pumps, magnetic centrifugal pumps, etc.) and positive displacement pumps (gear pumps, screw pump plunger pumps, sliding vane pumps, reciprocating pumps, etc.) and other special pumps (metal Plastic lined or rubber lined material pump). The use of corrosion-resistant chemi...

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