Submersible Slurry Heavy Duty Sewage Sand Suction Dredge
Submersible Slurry PumpProduct DescriptionZJQ submersible sludge
pump is hydraulic machinery, the motor and the pump of which are
coaxially submerged in medium to work. The overflowing parts of the
pump are made from high alloy wear-resistant material, so the pump
has good wear resistance and large flowing passage. It is
applicable for conveying media such as sludge, ore slurry, coal
slurry, sandstones containing big solid particles. The product is
designed and manufactured by domestic and over sea advanced
technologies. Besides the main impeller, the bottom of the pump is
additionally provided with a set of agitation impeller which can
spray the deposited sludge into turbulent flow, and therefore the
pump realizes high-concentration conveying under the condition of
no auxiliary device. The unique seal device can effectively balance
the pressure inside and outside the oil chamber, so as to project
the reliability of the mechanical seal to the maximum extent. The
motor adopts various protective such as overheat protection, water
inlet detecting projection, and can operate safely for a long term
in harsh working conditions. The pump is applicable for pumping
sand for building, silty sand, silt, tailing slurry, ore, iron sand
ore, sediment in sewage treatment works, etc. The whole
machine is dry submersible pump, and the motor adopts oil chamber
seal mode and is provided with mechanical seal inside, so that high
pressure water and impurities and are effectively prevented from
entering inner cavity of the motor.1.Besides the main impeller,
there is the agitation impeller which can agitate the sludge
deposited on the water bottom into turbulent flow and pump the
sludge out.2.The trans-flux parts such as the impeller and the
agitation impeller are made from high-hardness high chromium cast
steel, have wear resistance, corrosion resistance and strong
drainage capacity, and allow big solid particles to pass.3.The
motor is submerged in water, is not limited by suction stroke, and
has high sludge suction rate and thorough desilting.4.The
integral device is simplified, needs no auxiliary stirrer device or
ejector device, and has simple and convenient operation and low
total investment of the unit.5.The agitation impeller directly
approaches the depositional surface, and controls the concentration
through submerged depth. Under the condition of large medium
proportion, an auxiliary device can be arranged to increase the
concentration of the medium. Detailed Photos Product
ParametersFlow50m3/h-2000m3/hHead10m-60mSpeed980rpm-1460rpmPower3kw-315kwDischarge
distance200m-600mDredging depthwithin35mMax.flow particle
dia.allowed10-56mm NO. Pump Type DISCH. DIA CAP Head Power Rotation
speed Eff. Biggest particles discontinuous pass through (mm) (m³/h)
(m) (kw) (r/min) (%) (mm) 1 ZJQA50-21-11 100 35 22 11 1460 48 21 50
21 60 20 2 ZJQA50-26-11 80 35 29 11 1460 48 13 50 26 60 24 3
ZJQA100-18-11 100 70 20 11 1460 55 21 100 18 120 15 4 ZJQA25-40-15
80 18 41 15 1460 35 13 25 40 30 39 5 ZJQA50-35-15 100 35 38 15 1460
47 13 50 35 60 32 6 ZJQA60-30-15 100 42 33 15 1460 50 13 60 30 72
27 7 ZJQA75-25-15 100 52 28 15 1460 51 13 75 25 90 22 8
ZJQA150-15-15 150 105 17 15 1460 56 21 150 15 180 13 9 ZJQA75-35-22
100 52 38 22 980 48 13 75 35 90 32 Use Conditions1.The power source
is 50Hz/380V three -phase alternating-current supply, and the
capacity of the substation transformator two to three times of the
rated capacity of the motor.2.The temperature of the medium cannot
exceed 60ºC, and the medium does not contain inflammable or
explosive gases.3.The maximum weight concentration of the solid
particles in the medium: the maximum weight concentration of the
ash is 45% and maximum weight concentration of the slag is
60%.4.The submerged depth of the unit is not more than 20 meters,
and the minimum submerged depth takes submerging of the motor as
reference.5.The unit works in the medium vertically, and the
working status is continuous.Packaging & ShippingCan be packed
according to customer requirementsInstallation
Instructions1.Preparation before Installation1)Carefully check
whether the electric pump is deformed or damaged in the processes
of transport, storage and installation and whether the fastening
pieces and loosened or fallen off before starting.2)Check whether
the cable is damaged or broken, if yes, replace the cable to avoid
electric leakage.3)Check whether the power source device is safe
and reliable and that the rated voltage should accord with the
nameplate.4)Use a megohmmeter to check that the motor stator
winding cold ground insulation resistance should not be less than
50 MΩ.5)Check whether the oil quantity in the oil chamber is
appropriate and that the oil level of the unit in the vertical
position should be flush with the oil filling openi
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