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latest news

Leaders from Hubei Xingfa Group Visit Lvhuan for Inspection

Recently, a delegation from Xingfa Group, a leading chemical enterprise in Hubei Province, visited the production base of Lvhuan Pump Industry for on‑site inspection and technical exchanges. The General Manager, technical and production directors of

LHC Fluorine Plastic Chemical Magnetic Pump

Product overview LHC anti-dry wear lined fluorine magnetic pump is summarized magnetic pump manufacturing experience, this magnetic pump completely breaks through the old "CQB-F and IMD type" magnetic pump have many shortcomings, from the performance

item no.:
LHC-0001
lead time:
7-10 dyas
product orgin:
Anhui
shipping port:
Any port in China
payment:
L/C or T/T
color:
Customer color
Lining plastic:
PTFE / FEP / PVDF / PFA
Use:
H2SO4 / HCL / HNO3 / NaOH / HF / CH3COOH
price range:
800-20000

contact now

description

LHC fluoroplastic lined magnetic pump (star product)

Product Overview
LHC anti-dry wear lined fluorine magnetic pump is summarizes magnetic pump manufacturing experience, this magnetic pump completely breaks through the old "CQB-F and IMD type" magnetic pump have many shortcomings, from the performance, function, structure,completely subvert the tradition, including some invention patents, this is a multi-functional, high efficiency, with features of fluorine lined magnetic pump. The pump can solve the magnetic pump delicate, easy damage, not resistant to crystallization problem, not durable shortcomings, fully sealed, no leakage, low pollution, high efficiency and energy saving new magnet drive pump.
Design feature
The LHC magnetic pump optimized the hydraulic model body and impeller, the strengthen sleeve between the inner and outer magnetic does not contain any conductive metal, higher efficiency, the magnet is rare earth strong magnetic (ndd-fe-b or samarium cobalt), the main shaft does not need to transmit torque, just support the balance of the inner rotor, the operation is more stable, the main shaft, sleeve,dynamic and static ring are anti-dry wear non-pressure sintered silicon carbide KK-SSiC. It can meet the occasional short time idling occasions, the temperature resistance is also greatly improved.
The design not only has the advantages of compact structure, beautiful appearance, small size, low noise and reliable operation of ordinary magnetic pump, but also all its flow parts are F46 fluorine plastic (or PFA) with good corrosion resistance in the world at present, the isolation sleeve is double-layer design, and the medium side is made of fluorine plastic. The outer LHB reinforced sleeve is made of reinforced carbon fiber or polyether ether ketone(peek), which has high strength mechanical properties and eliminates the magnetic eddy current phenomenon existing in the ordinary magnetic pump. It can transport acid, alkali, solvent and other corrosive media without damage.
Main use
Widely used in chemical industry, acid making, alkali making, smelting, rare earth, pesticides, dyes, medicine, paper making, electroplating, electrolysis, pickling, radio, foil formation, scientific research institutions, national defense industry and other industries to transport any concentration of acid,alkali,oil,rare and precious,toxic liquid, volatile chemical media. Especially easy to leak, flammable, explosive liquid transportation.
Working temperature :-30℃-150℃( >100 ℃main parts need to select materials, need to explain the selection)

CORE TECHNIQUE
Impeller and rotor adopts F46 or PFA and NdFeb permanent magnet integral sintering design, which can transport medium containing small amount and particles, not easy to deformation, corrosion and wear resistance, stable operation.
The isolation sleeve adopts double-layer design, the inner part of the medium is sintered by fluorine plastic as a whole, resistant to corrosion and wear, and the outer strengthening sleeve adopts carbon fiber reinforced polyether ether ketone one-time injection molding, which can withstand pressure of more than 2.5mpa without magnetic eddy current.
The pump shaft does not rotate, without transferring torque, and the pump shaft and shaft sleeve are made of high temperature resistance, dry wear and press-free SSiC, with high strength, high density and good self-lubrication performance, which can ensure the normal operation under small flow and short time liquid shortage.
The transmission of internal and external magnetic torque adopts the combined push-pull magnetic transmission structure. Under the same magnetic circuit parameters, the maximum transmission torque can be obtained per unit magnetic volume, which fully improves the efficiency of torque transmission and solves the slippage phenomenon when the magnetic pump transmits high-density media.
Impeller and rotor adopts F46 or imported PFA and ndfeb permanent magnet integral sintering design, which can transport medium containing small amount and particles, not easy to deformation, corrosion and wear resistance, stable operation.
The isolation sleeve adopts double-layer, the inner side is imported PFA,the whole is sintered. Corrosion-resistant and wear-resistant,the outer reinforcing sleeve is carbon fiber reinforced polyether ether ketone by single injection molding, which can withstand pressure more than 2.0 Mpa.
The internal and external magnetic torque adopts a combination, push-pull magnetic transmission structure, under the same magnetic circuit parameters, the maximum transmission torque can be obtained per unit magnetic volume. The torque transmission efficiency is fully improved,the slippage phenomenon is solved when the magnetic pump transmits high-density media.
The pump body is metal shell with fluorine plastic lining, special lining technology such as dovetail groove and tortoise-shell mesh is adopted to make the fluorine layer more closely bonded, which enhances the negative pressure resistance of the shell. Under special conditions, the lining layer can be made PFA and annealed at high temperature, and the lining layer is smooth without deformation or cracking, and can be used continuously within 180℃.
The pump shaft and shaft sleeve are made of high temperature and dry wear and press-free sintered silicon carbide, with high strength, high density and good self-lubrication performance, which can ensure the normal operation under small flow and short time liquid shortage.
LHC magnetic pump strictly follow the manufacture standard,with patented technologies, its unique impeller assembly, isolation sleeve assembly and magnetic drive design, with small volume, short axial distance, large transfer torque, no magnetic eddy current, high temperature resistance, resistance to short dry wear and other characteristics, completely solve the many drawbacks of common magnetic pump. This magnetic pump adopts modular design and high versatility of accessories, which can meet the various complex processes in different working conditions.
Advantage
The pump shaft not only transfers torque, but also grinds balances with the front and rear bearings.
The impeller is a square inner hole or a flat hole connected with the shaft, the impeller nut is used to tighten.
The pump shaft is silicon carbide, the graphite filled with the fluorine plastic in the sliding bearing . The pump shaft and the sliding bearing are grinding when the pump is running.
A pump cover (middle bearing seat) is arranged the impeller and the inner rotor to provide support the pump shaft, several backflow on the pump cover holes provide cooling lubrication for rear rotor components.
When the inner impeller hole is stressed, it is easy to deform, the impeller nut is easy to loose or even fall off
The shaft hardness is high, the bearing hardness of the shaft is high, when the time is slightly longer the hardness of the bearing is low, the inner hole of the bearing is ground, the gap between the shaft and the bearing becomes larger, and different hearts and vibrations.

Once the conveying has particles, suspended matter or crystallization, it will cause the backflow hole to be blocked, leading to the entire rotor component without circulation cooling.
The pump shaft does not rotate, there is no need to transmit torque, and the pump shaft only plays the role of supporting and balancing the inner rotor components.
The impeller and the inner rotor are an integral sintered form with t-shaped structure design.
The main shaft and the impeller shaft sleeve are grinding, both are KK-SSiC, the shaft sleeve has a double spiral groove design, and the friction coefficient is almost 0.
Because the spindle does not need to rotate, the isolation sleeve and the impeller are open design, no need to set the middle bearing seat

No broken shaft, long service life.
The transfer torque can be maximum, and there is no bad phenomenon of impeller falling off and loosening. And inversion doesn't matter.
Both of them are super wear-resistant, clearance matching, durable wear-resistant, clearance almost unchanged.
Cost saving, optimize structural design, allow sufficient material into the rotor components to provide lubrication.

1, no need for the spindle to transmit torque, the spindle only plays a supporting role
Advantages: No broken axis phenomenon
2. Integrated design of impeller and inner rotor
Advantages: The transfer torque can be very large, no impeller shedding phenomenon, can be reversed
3, the main shaft and shaft sleeve are KKSSiC, with mutual clearance
Advantages: Both of them are KKSSiC with excellent wear resistance, durable wear resistance and no change in clearance
4, the rear isolation set open design
Advantages: The material can be fully circulated through the rear side, without blocking the circulation path