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Help CenterVertical Axial Flow Propeller Pump, Clean Water Pump
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This type of pump is mainly composed of pump body parts and transmission parts.
1, the pump body parts:
Pump shaft is made of high quality carbon steel, it is up and down two rubber bearing to support (or plastic).running
Process, provide the favorable conditions of used lubricating bearings, one at the top of the pump shaft bearing, mostly higher than that of water
Surface, so the stuffing box (or plug) with a short tube, before the start of infusion water lubrication of the bearing
(after being started out of the water, water can stop).Bearing the neck is a high quality carbon steel shaft sleeve, the surface coating
Have a hard chromium, in order to improve wear resistance and corrosion resistance.Other major parts, such as: the horn pipe, the impeller, the impeller outer shell, guide vane, housings, stuffing and couplings are made of cast iron, such as water pipe bending steel weldment.
In a packing tower packing, in order to improve the sealing of the pump.
Steering pump impeller, from the suction to counterclockwise clockwise (looking down from the top to).
Water pump impeller shell (or even on the guide vane body, feed horn) and impeller two adjacent surface, are in the ball
Form surface, thus ensures the blade in any installation Angle, cylindrical impeller and impeller shell is very small
Gap, in order to reduce reflux water loss.
According to using need, this type of pump can press: "performance table" growth or slow down or adjust the blade
Installation Angle, change the flow and head, expand the scope of use.The blade is made of high quality ductile iron production, the impeller are
The factory correction of static balance.Leaves or leaves with blade nut (ring) fastening on the wheel seat, leaf and leaf
Round the adjacent surface with Angle.Water pump factory, the blade installation Angle of the general as "zero", the user
But according to need, according to the working performance table to adjust the blade installation Angle.Before installation, the user must be blade
Loose nut retightened once, in case and accident.
Part 2, water pump drive:
According to the situation of regional power and user needs, should determine the transmission way, when ordering ZLB type
There are three ways of transmission of axial flow pump.
(1) vertical motor direct drive device:
Motor bolts in the motor seat, borrow nylon column shaw coupling and motor shaft end connection,
At the other end with a rigid coupling connected to the pump, the shaft is made from high quality carbon steel, other parts such as motor, box of bearing, bearing cover the base are made from cast iron, etc.Water pump in operation, all of its axial force (that is, the water pressure on the water pump impeller and the sum of all the pump rotor weight) by motor seat (or bearing) built-in bearings to withstand.The axial displacement of the pump rotor can be transmission device inside the nut to adjust, the simplified, thus make the whole pump installation and maintenance is convenient and reliable.
(2) vertical machine v-belt transmission device:
Bolt in vertical machine rack, rack fastening on the guide rail, can make through bolt rack in the guide
Slide rail, to adjust the belt tightness.The radial force in the process of operation, by the pulley and the radial shaft on the motor
Bearing to bear.
(3) vertical half cross flat belt transmission:
Pulley with cast iron manufacturing, fixed to the bearing between nut and mounted on the shaft, the shaft diameter
To force and the weight of the pump transmission parts and operation of the ball bearing axial force, etc.
3, the bearing of the pump:
The body weight of the pump (excluding rotor part) by supporting or beam under the basis of pump body, pump rotor part of the transmission device (including the main transmission parts and engine) and the weight of the pump are both axial force by the transmission device
Under the floor of foundation.
4, drive shaft:
Axial flow pump shaft, shoulds not be too long, otherwise will bring difficulties for installation and maintenance.The drive shaft for this long
Provisions, and in accordance with the provisions of the supply, when you place an order, according to the installation drawing "L" size to choose,
Pump design.
Installation and operation
1, check whether the pump shaft and the shaft is subjected to bending due to the transportation process, if there is need to alignment.
2, the installation elevation of pump must be installed in accordance with the figure of the regulations, in order to satisfy the requirement of NPSH and start-up.
3, before the pool water should be equipped with trash rack, avoid debris into the water pump.After block dirt in the water flow rate, with no more than
0.3 m/s is appropriate.
4, check the blade installation Angle before the pump installation, is in line with the requirements, whether there is loose.
5, after installation, should check the coupling and the bottom of the bolt nut and tighten.In tightening the transmission shaft and pumps
The nut on the shaft, attention should be paid to the threaded to.
6, the drive shaft and the pump shaft must be installed in the same vertical line, tolerance is less than 0.03 mm/m.
7, water pump outlet pipe gate valves should not be installed on the road.If yes, must be fully open before start.
8, when using the check valve to a balance weight, best to balance the weight of the door cover, reduce water resistance, make the pump more
The functioning of the economy.
9, grease lubrication gear bearing, unpick and wash oil cavity should be clean and maintenance to inject grease, its amount to 1/2 ~ 2/3 full of oil cavity advisable, avoid high bearing temperature rise during operation.Must pay special attention to, the rubber shaft bearing must not touch oil.
10, before starting the pump, it is necessary to introduce short tube in the packing upwards note water or soap and water lubrication rubber or plastic bearing, for the pump stop after normal operation.
11, pumps should be taken before starting at a plate of dynamic coupling turn three, four, pay attention to whether there is a weight unequal phenomenon.If so, you have to check the reason, trying to get rid again after operation.
12, before the start of should first check the direction of rotation of the motor, make it accord with the pump steering, connected to the pump again.
13, water pump operation, should often pay attention to the following points:
(1) the impeller into deep enough, that is, into the water level is too low, so as not to affect traffic, or noise.
(2) and the cylindrical impeller impeller shell friction, whether around on blade with sundry, whether the rubber or plastic bearings
Tight or burn, in order to avoid the shaft power increased.
(3) whether the bolt looseness, pump shaft and the shaft center are consistent, in case of the unit vibration.
Performance curve
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