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(1) PS type sand pump is a horizontal side-stage centrifugal centrifugal sand pump. The maximum concentration of pulp can be 60%~70% (mass) when transporting pulp with the slurry of the slurry of the ore dressing plant and the medium of heavy medium dressing. The shaft seal is in the form of low-pressure packing. It needs to be cooled and lubricated with a small amount of water during operation. With the press-in configuration, the center line of the pump shaft is lower than 1m on the pulp surface [4];
(2) PH type sand pump is a horizontal single-stage single-suction cantilever type centrifugal ash pump, which can transport mixed liquid containing sand and gravel (maximum particle size not exceeding 25mm), and can allow sandstone with a small particle size of about 50mm to pass intermittently. . The shaft seal is sealed by a general packing, and the shaft seal water is injected at a working pressure higher than 98 kPa.
(3) PN sand pump is a horizontal single-stage single-suction cantilever centrifugal mud pump for conveying slurry. The maximum concentration (mass) is 50%~60%. The shaft seal is made of general packing, and the shaft seal water is injected at a working pressure higher than 98 kPa. (4) PNJA and PNJFA type sand pumps are all horizontal single-stage single-suction heart-type rubber-lined pumps. The PNJFA model is designed to transport corrosive pulp. They can be used to transport a variety of pulp, but it is not advisable to transport a slurry containing sharp-angled solid particles. The maximum concentration of the transported slurry shall not exceed 65% (by weight), the temperature shall not exceed 60 °C, and the press-in configuration shall be adopted, and the water shall be sealed.
(5) PNL sand pump is a vertical single-stage centrifugal mud pump, which can be used to transport slurry in the concentrator. The maximum concentration (mass) is 50%~60%.
(6) PW type pump, horizontal single-stage cantilever centrifugal sewage pump, suitable for conveying liquid and sewage with fiber or other suspended matter below 80 °C, but not suitable for transporting acidity, alkalinity and causing metal corrosion Chemical mixture of liquids. In order to prevent the sewage from leaking along the shaft, a water seal is required, and the pressure should be higher than the pump outlet pressure.
(7) PWF type pump is a horizontal single-stage single-suction cantilever centrifugal corrosion-resistant sewage pump, suitable for discharging acidic, alkaline or other corrosive sewage. The liquid temperature is within 80 °C; it needs to be sealed, and its clear water pressure is high. Working pressure
There are two kinds of seals from 49~98 kPa (0.5~1.0kg/cm2): mechanical seals (single end face) and general packing seals to prevent toxic, highly corrosive liquid leakage.
(8) Long-axis vertical centrifugal pump (commonly known as long-axis pump) is a special pump for transporting pulp, coal slurry and various flotation foams and medium-mineral products from the concentrator. It can also transport other liquids and sewage. It is a large-scale flotation. One of the indispensable supporting equipments in the production of the plant enables the flotation plant to realize flexible control of the circuit.
(9) Foam pump, which is a vertical centrifugal sand pump, has defoaming effect, and the defoaming rate is generally above 75%. It can be used for defoaming and conveying before concentration dehydration, reducing metal loss in concentrated overflow, and can be used for foam products. Delivery.
Mailbox: contact@evpvacuum.com
Website source: http://www.evpvacuum.com
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| Beitrag vom 13.11.2018 - 08:00 |
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