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stainless steel centrifugal pump

12/10G-G Electric Stainless Steel Centrifugal Pump For Marine Sand Large Flow

  • 12/10G-G Electric Stainless Steel Centrifugal Pump For Marine Sand Large Flow
Product Details:

12/10G-G Electric Centrifugal Pump for Marine Sand and Gravel Dredge / River Sand

 

 

Description

 

  • Centrifugal pumps are widely used in petrochemical, coal chemical and other chemical industries to transport liquids of different properties, providing the pressure and flow needed for chemical reactions. Various kinds of centrifugal pump, according to the medium properties can be divided into acid pump, pump, water pump, mud pump etc.. The working temperature and working pressure of the conveying medium are different. Therefore, it is very important to improve the economic benefit of the factory by effectively prolonging the use period of the centrifugal pump and reducing the maintenance amount.

 

Selection and installation of centrifugal pump (slurry pump)

 

Centrifugal pump (slurry pump) should be selected in accordance with the delivery of liquid, and check the required performance, analysis of suction, discharge conditions, intermittent operation or continuous operation. Centrifugal pumps (slurry pumps) usually operate at or near the pressure and flow conditions specified by the manufacturer. When installing the slurry pump, the following review should be carried out:

  1. The size, location and elevation of the foundation shall comply with the design requirements. The anchor bolt must be properly and correctly fixed in the concrete foundation, and the machine should not be damaged, damaged or corroded;
  2. According to the characteristics of the conveying medium of the slurry pump, the main parts, material of shaft seals and gaskets should be checked when necessary;
  3. Thirdly, the leveling of the slurry pump should be in accordance with the technical documents of the equipment. If there is no regulation, it shall comply with the provisions of the current national standard "general specification for construction and acceptance of mechanical equipment installation works";
  4. All the pipelines connected with the slurry pump, the installation of the pipe fittings and the cleaning requirements of the lubricating oil pipeline shall comply with the relevant national standards.
 
Model Outlet diameter (mm) Speed (r/min) Flow
m³/h
Head (m) Effeciency (%) Motor Power (kw) Impeller diameter (mm) Maximum permissible particle size (mm)
                 
12/10G-G 250 400-850 360-1200 12-60 65 600 667 220
                 
12/10G-GH 250 350-700 1400-2700 10-60 70 600 915 210
 

Chemical Stainless Steel Centrifugal Pump , Industrial Slurry Pump 14/12G-G

  • Chemical Stainless Steel Centrifugal Pump , Industrial Slurry Pump 14/12G-G
Product Details:

14/12G-G Chemical Centrifugal Pump , vice impeller seal / packing seal pump

 


Installation of mechanical seal for slurry pump


1. check the mechanical seal installed type, specifications are correct.
2. check the size of the slurry pump and the installation of mechanical seals related to the size of parts, geometric accuracy and correlation are consistent with technical requirements. The main aspects are as follows:


(1) the radial runout tolerance of the shaft (or shaft sleeve) that installs the mechanical seal part, the surface finish and outer diameter tolerance of the shaft (or axle sleeve).
(2) the verticality of the center line of the axle (or axle sleeve) is allowed by the combination of the sealing cavity and gland.
(3) install the end of the shaft (or axle sleeve) of the ring seal ring, install the chamfering and finish of the end of the shell of the mechanical seal.
(4) the axial displacement of the shaft of the mechanical seal.

 

3. the installation of mechanical seal process should be kept clean, and do not allow tools to tap sealing elements, in case of damage and damage.
4. when installing, the movable and static ring surface should be coated with a layer of clean oil and turbine oil. The auxiliary sealing ring (including the movable ring seal ring and the static ring seal ring) also needs to be coated with a clean oil or turbine oil before installation so as to ensure the smooth installation.
5. the static ring sealing ring in static ring back after the sealed end cover, should pay attention not to hurt the static ring end face, to ensure that the end surface of the static ring and the end cover is vertical to the central line, and pay attention to the anti rotary slot alignment anti rotation pin static ring back, but not in contact.
6. The rotating part of the mechanical seal is fixed to the axle by two fixed screws on the spring seat. When the screws are tightened, the working length of the spring must be ensured.

 

Application of mechanical seal for slurry pump

 

  1. before the start of the slurry pump, it is necessary to check the attached device of the mechanical seal, and whether the cooling and lubricating system is perfect and unblocked.
  2. The material line shall be cleaned before starting to prevent rust impurities from entering the sealing chamber.
  3. Turn the shaft with the hand wheel to check whether the shaft rotates smoothly. If the disk is moving, check whether the installation size is correct.
  4. Before normal driving, the static pressure test is needed to check the sealing effect of the end face, the sealing ring and the sealing end cover of the mechanical seal. If there is any problem, the problem shall be checked and checked one by one.
  5. before the slurry pump starts, the chamber should be filled with liquid or sealed medium, if a separate sealing system should be started, the cooling water system must start circulating.
  6. before normal use, first run at atmospheric pressure, observe the temperature rise of the seal is normal, whether leakage phenomenon. If there is a slight leak, you can run for a period of time, so that the end surface is more uniform, until the leakage gradually reduced to normal. If the operation is 1 - 3 hours, the amount of leakage is not reduced, you need to stop the inspection.
  7. normal operation, step-up, heating can be carried out slowly, and pay attention to the temperature rise and leakage situation, such as all normal, that can be put into production.

When stopping, we should stop the slurry pump and stop cooling and lubricating system.

 

 

Applications

  • Gravel pump is mainly used for channel, reservoir desalination, coastal reclamation, stretching, deep-sea mining and tailings reservoirs. A sand pump is designed for continuous handling of the most difficult, high abrasive slurries required by ordinary pumps. The utility model is suitable for conveying mud, metal melting, explosive mud, dredging boats, river dredging, etc. in mines.
Feature
  • The Type G (or GH) gravel pump is designed for the continuous treatment of the most difficult high abrasive slurries, which contain too much solids and can not be pumped out by ordinary pumps. It is suitable for conveying mud, metal melting, explosive mud and other fields. Type GH is a high lift pump.

 

Metal Domestic Electric Centrifugal Water Pump High Chrome OEM Service

  •  Metal Domestic Electric Centrifugal Water Pump High Chrome OEM Service
Product Details:
MHF6B - high chrome metal Electric Centrifugal Water Pump / rubber pump
 
 
 
Product Description
 
Domestic Electric Centrifugal Water Pump

 
Operating conditions
Maximum fluid temperature up to +40°c
Max sand content: 0.25%

 
Motor and Pump
Rewindable motor
Three-phase:380V-415V/50Hz
Single-phase:220V-240V/50Hz
Curve tolerance according to IS0 9906

 
Structural characteristics
Pump body: Cast iron
Front cover: Cast iron
Impeller: Brass/Plastic/PPO
Mechanical seal: Ceramic and graphite
Shaft: 45# steel/stainless steel
Motor case: ZL102
Insulation: Class B/F
Protection: IP44/54
 
Performance Table
TYPE Power H.max(m) Q.max(L/min) Size(inch) S.Head(m) N.W(kg) Packing QTY.
kW HP
HFM/1B 0.6 0.8 16 275 1.5"X1.5" 8 12.5 1630
HFM/1A 0.75 1 20 275 1.5"X1.5" 8 13.5 1630
HFM/5C 0.6 0.8 12.5 500 2"X2" 8 14.8 1500
HFM/5B 0.75 1 14 600 2"X2" 8 15.7 1500
HFM/5A 1.1 1.5 15 650 2"X2" 8 16.3 1500
HFM/5BM 1.1 1.5 20 600 2"X2" 8 21.2 950
HFM/5AM 1.5 2 23 600 2"X2" 8 23.6 950
HFM/6C 1.1 1.5 12 1100 3"X3" 8 28.6 720
HFM/6CR 1.1 1.5 12 1100 4"X4" 8 30 720
HFM/6B 1.5 2 15 1200 3"X3" 8 29.8 720
HFM/6BR 1.5 2 15 1200 4"X4" 8 31 720
HFM/6A 2.2 3 19 1300 3"X3" 8 39.6 605
HFM/6AR 2.2 3 19 1300 4"X4" 8 40.5 605
HFM/7B 3 4 22 1300 3"X3" 8 41 605
HFM/7BR 3 4 22 1300 4"X4" 8 42 605

 

 

Contact Details
Shijiazhuang JieMu Machinery Equipment Co.,Ltd

Contact Person: Mr.

Tel: 86-311-80660278

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