In mineral separation exercise, arenaceous pump is a kind of pump of centrifugal type slop, with the suspension juice that contains arenaceous bead, scoria to wait at carrying. Later development basically introduces commonly used the function characteristic of arenaceous pump and type selecting problem.
The type selecting of arenaceous pump is what the basis transports the property of ore pulp (the abrasion of chroma of stock granuality, density, ore pulp, hardness, viscosity and ore pulp) the type that will decide arenaceous pump, mix according to feeding ore pulp amount, lift next the norms of arenaceous pump of conduit loss make choice of.
1) pump of PS molding sand. It is the arenaceous pump with the most commonly used ore dressing plant, take a starch for horizontal flank centrifugal arenaceous pump. Use at carrying ore pulp and agent of heavy medium accentuation. Carry ore pulp chroma to be able to amount to 60%~70% . Use press type to give mine, need to connect a few clear water to undertake lubricant, refrigeration when the job.
2) pump of PH molding sand. It is horizontal sheet class sheet attracts cantilever type pump of centrifugal ash broken bits, the largest size is not more than 25mm, the arenaceous stone that can allow minim 50mm to control is discontinuous through. The axis that 0.1MPa of actuating pressure of infuse prep above needs when the job seals clear water.
3) pump of PN molding sand. It is sheet of horizontal only course sucks cantilever centrifugal pump, carry 50%~60% of ore pulp chroma. The axis that actuating pressure of infuse prep above also needs when the job seals clear water.
4) PNL pump. It is sheet of vertical only course sucks centrifugal pump, carry ore pulp chroma to be 50%~60% .
5) PNJA with PNJFA pump. It is only course sheet sucks pump of centrifugal line glue. PNJA pump contains caustic ore pulp for carrying only. These two kinds of pump carry ore pulp the biggest chroma is 65% , temperature does not exceed 60 ℃ , use press type to give mine.
6) PW pump. It is cantilever of horizontal only course centrifugal sewage pump. Comfortable the liquid that contains fiber or substance of other in suspension below for 80 ℃ at carrying temperature. PWL belong to congener corrosion resistance water pump. Pump of infuse prep above needs when this pump works the clear water of actuating pressure 0.05~0.1MPa undertakes lubricate and cooling.
7) long axle pump. Full name is centrifugal pump of long axis vertical, can carry an ore dressing plant of all kinds ore pulp and liquid. The casing of this kind of pump has 3 kinds of type: The A casing that it is sheet, place a pump, b with C model for double casing, can place two pump.
8) bubble pump. Belong to vertical centrifugal pump, have disappear bubble effect, disappear bubble rate is in 75% above.
9) made of baked clay graceful pump. It has the world's most advanced technology level. Use is extensive, the structure is advanced, movement is reliable, service life is long. Cover with tiles graceful pump basically has pump of oar of the broken bits below heavy-duty, light-duty, fluid and dredging mud pump, grit pump and solution pump, bubble pump.
The function of arenaceous pump, the curve of clear water function of the discharge that falls with specific rotate speed normally and lift, discharge and power, discharge and efficiency expresses. It can mirror instead when discharge changes, the metabolic rule of lift, power, efficiency. The arenaceous pump of different type has different function curve, can consult when the design concerned data.
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