ntroduction
Based on special installation requirements, pumps of EVM(R) series are designed vertical, which allows to be used in pools. The pumps are of single casing structure, featuring in light weight, small volume, easy installation and maintenance, etc.
The wear parts of EVM Series are made of anti-abrasive alloy while that of EVR Series pump are anti-corrosive rubbers, which suits for delivering corrosive slurry with tiny particles.
Application
Series EVM(R) vertical pumps are used to handle corrosive and abrasive slurry of rough particles and high concentration. Series EVM(R) pumps can be used in mining, coal washery, power plant and other industrial sections.
Vertical centrifugal slurry pump structure
According to liquid level of pools, shaft length and suction pipe of different sizes are available. The pumps work with various speeds and ensure a long life, which meet the different requirements on hard transporting conditions. Based on of customers¡¯ requirements, optional mixing wheels are available, with which transport efficiency of vertical sump pump is greatly increased.
Material advantage
The major wear parts of a slurry pump are wet parts. Anti-abrasive materials are used by Excellence Pump to ensure wet parts a long lifetime.
The materials of wet parts used for EVM series is high chrome alloy KmTBCr26, and natural rubber or synthetic rubber for EVR series. KmTBCr26 is a wear resistant white iron that allows excellent performance under a condition of erosion. In order to meet different requirements, Excellence Pump Industry uses many other kinds of materials like EPDM, Hapalon, Hastealloy, CD4MCU, chloroprene rubber adhesive and other anti-abrasive material to replace high chrome alloy.
Seal Type
Except for long shaft vertical pump, seal and seal water are not required by heavy duty vertical pumps of EVM(R) series. Pumps could work normally even if insufficient suction volume.
To find out more about EXCELLENCE pumps, please contact:
Excellence pump
sales@centrifugalslurrypump.com
Tel: Tel: +86-10-81107022
Fax: +86-10-81107016
www.centrifugalslurrypump.com
Wooden Package
Pump features:
With the development of slurry pump technology and the theory of modern hydromechanics and mechanics, Excellence Pump Industry Co., Ltd. designs series EZ (L) slurry pump according to users¡¯ feedback by using advanced software design tool. Series EZ (L) slurry pump has complete model range and are characterized by wide performance cover and easy selection.
Application
Series EZ (L) slurry pumps are widely used in power, metallurgy, mining, coal washery, building materials and chemical industries. They are suitable for handling high abrasive and corrosive slurry with maximum concentration by weight to be 45% (ash) and 60% (ore), such as handling the fine ore and tailings in mining, removing ash and sludge in power plant, delivering coal mud and heavy media separation. The pump of this series can be operated in series according to special requirements.
Structure:
Series EZ (L) slurry pump is classified into horizontal type (EZ) and vertical type (EZL) according to their structure. The discharge diameters of horizontal pump vary from 350mm, 300 mm, 250mm 200mm, 150mm, 100mm, 80mm, 65mm, 50mm to 40mm etc. Different impeller diameters are designed for different discharge sizes to get different heads.
In order to meet the requirements of the market£¬Excellence Pump Industry Co., Ltd. Develops series EVZ sump slurry pump, which are different from traditional sump pump with single casing and open impeller. They are of the double casings and closed impeller. Series EVZ pump could work under the condition of bigger capacity and higher head with higher efficiency and the traditional ones could only deal with smaller capacity and lower head with lower efficiency.
If the work condition requests, the suction pipe could be added. The pipe length would be selected according to the clients¡¯ requirement. In that case, packing seal should be kept and the shaft seal water should be added. The pressure of shaft seal water should be a little higher than that of discharge side.
Design
Series EZ (L) is single-stage and single-suction centrifugal pump. This series of pump have great innovation in both hydraulic and structural design. The wet parts are made of self-developed high Chrome alloy with high performance of anti-resistance. They are with features of high efficiency, energy-saving, long lifetime, light weight, reasonable structure, reliable operation, little vibration, low noise and easy maintenance etc.
Material advantage
The main wear parts in slurry pump are wet parts. Excellence Pump Industry Co., Ltd. uses many kinds of anti-abrasive material to extend the lifetime of wet parts. The wet parts material in standard series EZ (L) pump is high Chrome alloy KmTBCr26, which is a kind of anti-resistant white iron and has excellent performance under erosive conditions. But in order to meet different requirements, Excellence Pump Industry Co., Ltd. can also offer other wet parts materials, such as EPDM, Hapalon, Hastealloy, CD4MCU and other anti-abrasive material. The casing adopts double-casing structure, which makes the wet parts easy to be replaced. According to the pressure requirements, the outer casing uses ductile cast iron or grey cast iron, and the wet parts adopts high Chrome alloy or cast steel.
Shaft Seal
Series EZ (L) slurry pump can adopt centrifugal seal with packing seal, packing seal and mechanical seal.
(1) Centrifugal seal with packing seal
Centrifugal seal make use of the pressure from impeller and expeller running in series with the packing or lip seal to prevent the leakage. When the pressure at the suction is less than 10% of that at the discharge side for single stage pump or the first stage of the pumps in series, this kind of seal can be adopted. It can run without flush water, and has the advantages of not diluting the slurry and good sealing effect etc. It will increase the power consumption (usually increase 5% of the shaft power).
(2) Packing seal
Packing seal is a common seal type and can be used in various work conditions, including high corrosive and high temperature conditions. The packing materials can be PTFE, asbestos or other special materials. It has advantages of simple structure and easy maintenance.
(3) Mechanical Seal:
It adopts the international leading seal technology to achieve good sealing effect. Cartridge structure makes it easy to install and replace. And different structures are suitable different work conditions. The material of faces can be high-hardness ceramics and alloy. The design and the match of mechanical seal and seal box conform to the medium flow conditions, so this kind of seal is with higher performances of anti-abrasive and anti-vibration, which can satisfy the clients¡¯ different requirements under various hard work conditions.
To find out more about EXCELLENCE pumps, please contact:
Excellence pump
sales@centrifugalslurrypump.com
Tel: Tel: +86-10-81107022
Fax: +86-10-81107016
www.centrifugalslurrypump.com
Wooden Package
Introduction:
Ehm series slurry pump is mainly using for handing strong abrasive, high density slurries and low density, high head slurries in the metallurgical, mining, coal, power, building material and other industrial departments etc.
Structure:
The frame plates of this kind of slurry pump have replaceable wear-resistant metal liners. The impellers are made of wear-resistant metal. The frame plate liner and impeller for ehm slurry pump are adoptable of hard metal only.
Bearing assembly of this kind of slurry pump use cylindrical structure, adjusting the space between impeller and front liner easily, being removed completely when being repaired. Bearing assembly use grease lubrication.
The shaft seal of this kind of slurry pump could use the packing seal, expeller seal and mechanical seal. The discharge branch can be positioned at intervals of 45 degrees by request and oriented to any eight positions to suit installations and applications.
Here are the drive types, such as v belt drive, gear reducer drive, fluid coupling drive, and frequency conversion drive devices. The pump of this type may be installed in multistage series to meet the delivery for long distance.
Application:
This kind of slurry pump mainly applies in coal washer processing, handling with the fine ore and tailings in metal mine, handing combined bottom and fly ash in a thermal power station etc. .
To find out more about excellence pumps, please contact:
Excellence pump
Sales@centrifugalslurrypump.Com
Tel: tel: +86-10-81107022
Fax: +86-10-81107016
Www.Centrifugalslurrypump.Com
Wooden package
Introduction:
It can be installed in multistage series. It has wide passage, non-clogging and good performance of NPSH. Expeller seal combined with packing seal or mechanical seal is adopted to guarantee the low leakage of slurry. This series slurry pump has ideal structure, high efficiency, long service life, high reliability, easy maintenance, and low cost of running.
Application:
The slurry pump can be used for seawater ash-removing to prevent it from corrosion of seawater, salt and mist, and electrochemical corrosion. It is widely used for handling abrasive and corrosive slurry in electric power, metallurgy, mine, coal, construction material and chemical industry departments, especially for removing ash and sludge in electric power station.
Structure:Design
1.This series of slurry pump is designed as horizontal, single-stage, single-suction, cantilevered, double-casing centrifugal pumps; Reliability design ensures long MTBF (mean time between events)
2.Broad passage, good anti-clogging performance, excellent performance of NPSH
3.The metric bearing with oil lubrication, setting lubricating and cooling systems reasonably ensure the bearing operate under the low temperature;
Material advantage
The main wear parts of slurry pump are wet parts. Excellence Pump Industry Co., Ltd uses many kinds anti-abrasive to extend the lifetime of wet parts.
The wet parts material in standard EZG series pump is high chrome alloy KmTBCr26, which is a kind of wear resistant white iron that offers excellent performance under erosive conditions. In order to meet different requirements, Excellence Pump Industry Co., Ltd is always making the continuous optimization of material to replace high chrome alloy and nature rubber, such as EPDM, Hapalon, Hastealloy, CD4MCU, chloroprene rubber adhesive and other anti-abrasive material.
The casing adopts double-casing structure, which makes the wet parts easy to be replaced. According to the pressure requirements, the outer casing uses ductile cast iron or grey cast iron, and the wet parts adopts the high-chrome alloy or cast steel.
Shaft Seal
Series EZG(S) pumps can adopt centrifugal seal with packing seal, packing seal and mechanical seal. They have been well adopted to prevent the slurry from leakage.
(1)Centrifugal seal with packing seal:
Centrifugal seal make use of the pressure from impeller and expeller running in series and the packing or lip seal to prevent the leakage when the pump stops running. When the pressure at the suction is less than 10% of the pressure at the discharge side for single stage pump or the first stage of the pump in series, this kind of seal can be adopted. It can run without flush water, and has the advantages of not diluting the slurry and good sealing effect etc. It will increase the power consumption (usually increase 5% of the shaft power).
(2) Packing seal
Packing seal is a common seal type and can be used in various work conditions. The packing materials use the PTFE, the asbestos or other special materials, which can be used under corrosive and high temperature conditions. It has advantages of simple structure and easy maintenance.
(3) Mechanical Seal:
It adopts the international leading seal technology to achieve good sealing effect. Cartridge structure makes it easy to install and replace, and different structures are suitable different work conditions. The material of faces adopts high-hardness ceramics and alloy material. The design and the match of mechanical seal and seal box conform to the medium flow conditions, so the seal is with higher performances of anti-abrasive and anti-vibration. This can satisfy the clients¡¯ requirements under various hard work conditions.
To find out more about EXCELLENCE pumps, please contact:
Excellence pump
sales@centrifugalslurrypump.com
Tel: Tel: +86-10-81107022
Fax: +86-10-81107016
www.centrifugalslurrypump.com
Wooden Package
