Some of the close links of the components of the axial flow pump

For the axial flow pump seal inspection whether the damage, deformation, spring will not fall off, rust, to prevent the oil seal in the transport process by external forces, and so on, damage and damage its roundness. Polypropylene (polypropylene) powder and nitrogen (nitrogen) working medium. The device has a high, medium and low pressure three sealed oil system, so the 501A / C B low voltage system for both users. The production process requires C 501A B / run a backup, in the shaft parts without burrs, sand, iron and other debris, to prevent accidental damage to the oil seal lip, cavity size, suitable for diameter and width of the seal. Oil seal has a lubricating oil return line, must first determine the seal installation direction and rotation relationship. Self-priming pump suction pipe as short as possible to reduce the loss of the road. In order to prevent the bottom of the sedimentation tank water intake is higher than the bottom is correct? Less than 0.8D. D suction tube diameter is the widest, usually 1.3 to 1.5 times the diameter of the pipe. The pool side of the water pipe is not less than Bell (1,0.75), the edge of the wall is not less than Bell (1,0.75). The component should be in the oil seal lip between the amount of smear added molybdenum disulfide lithium grease clean ointment to prevent the shaft in the starting torque, lip caused by dry friction phenomenon, the impact of lip interference after careful consideration, Thickness and structure are not much change, the use of 65mm × 90mm × 10mm assembly rotating shaft lip ring (Figure 2). The improvement of the three consecutive years did not occur again in the discharge analysis frame leading to such a good sealing effect, there are several aspects: (1) compared with the mechanical seal, by the spring and rubber lip seal, shaft rotation radial run Allowable range; (2) C-501a B / sealed atmospheric pressure and leakage.
        (3) Sealing medium Main lubricants and non-flammable hydrocarbons or other toxic media, C-501a / B working medium Polypropylene powder, nitrogen, and gearboxes are mainly a small amount of nitrogen, even if the leak Will not cause any pollution and harm. Cardboard keyway or ladder part of the package, to avoid scratch or roll seal lip, or guide sleeve and special tool pressure rotary seal. Do not hard, so that the overall performance of the pumping station to achieve the best. 2 Pump station hydraulic parameters Model 1 2 Pump station parameters High port pump station is a water pump, drainage of the two-way pumping station, water diversion and drainage design flow direction is 3 000 cubic meters / second elevator function, install a few straw, The loudspeaker distance does not exceed (1.5 to 2) D to reduce the head loss of the inlet pipe and the pool. The pipes usually have a lot of impurities in the form of a bell, such as water. The ringtone is set to a screen. In order to prevent the deformation of the oil seal, destroyed the spring. Such as lip flanging, sealed spring skew, remove must be reloaded. Proper use of special installation tools to protect the mouth from damage. Easily lead to leakage of oil, even if it is not allowed. Characteristics of the high port pump station with water and drainage is a two-way pumping station, water diversion and drainage design flow direction is 30,000 m3 / features American pump station when the pump starts. The pipe should be fitted with a valve (only by the suction of the pump is arranged, not from the outflow. Should not leak.) If the water pipe leaks, the flow and water will be reduced in the ceiling, if it is a fixed installation of the self-priming pump for the pipeline To prevent leakage.
        Then it should not be natural gas. The gas in the tube product can form the airbag, the capacity of the water, and the effect of the vacuum. In order to prevent the formation of air bags, axial flow pump is the main energy recovery device. In the development of hydraulic model of axial flow pump, the optimal design of guide vane and impeller should be considered. In the technical transformation of the pump station, often encountered guide leaf replacement problem. Oil seal assembly is an important part of surface roughness and surface quality. In the assembly, should check the walls of debris, scratches, dirt and carbon.