ZQ,HQ axial flow and mixed flow pump

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Product overview

KAIQUAN ZQ/HQ type blade mode submersible axial flow pump, mixed-flow pump is a young generation of the axial flow pump, mixed-flow pump products, retained the single large flow, lift range wide, high efficiency, etc, also because of the motor and pump constitute an organic whole, run into the water, has the incomparable virtues than the conventional unit.

Application field

Urban water supply, water diversion project, city sewage drainage system, sewage treatment engineering, thermal power plant circulating water, the dock water supply and drainage, water diversion hub, drainage irrigation, aquaculture, etc.

Product features

1, can transport water, sewage, mild medium temperature can be up to 40 ℃, PH 4-10;

2, good water conservancy model, well-made, guarantee the performance of user requirements;

3, double mechanical seal, reliable to prevent leaking, large pump for large axial force, using special thrust bearing, reasonable structure design, lubrication, heat dissipation is good, the bearing service life is long;

4, motor with F class insulation, high temperature resistant, is equipped with temperature protection, monitoring and leakage alarm device;

5, can form a complete set of a controlled two to a control model of four electric control cabinet, which can realize the failure pump automatically shut down, the standby pump start automatically; Keep fault signal (self-diagnosis), and other functions, to ensure the high reliability of operation;

6, submerged pump and cooling condition is good, pump running balance, good stability, small vibration, low noise;

7, the user can according to the requirements, design of the underground pump station and improve environmental features;

Small 8 and pumping stations, civil engineering, construction of simple structure, greatly reduce the investment, can cut pumping station project cost 30% to 40%;

9, pump integration, saving time and labor for installation and maintenance, saving cost;

10, product series, water pump high efficient area wide, in line with the working condition of the user, high efficiency and energy saving, low operating cost;

11, convenient management, management, operation cost;




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Q:Variable flow pumps are variable pumps
Variable input speed, the pump out of the flow is variable, it can not be said that it is variable pump.In a word。 A variable pump is a variable displacement pump.
Q:How accurate is the metering pump?
The measuring accuracy of the stable metering pump is as follows:In a diaphragm metering pump, the reciprocating motion of the plunger is passed to the diaphragm through the hydraulic chamber between the plunger and the diaphragm. In order to maintain the normal movement of the diaphragm, the hydraulic chamber is required to keep the volume of the liquid in the space (usually using hydraulic oil) unchanged. In order to ensure that the volume of the formation of membrane movement is always equal to the stroke volume of the plunger pump, so as to maintain the stability of the flow, but in the actual operation of the pump, the plunger seal will inevitably cause leakage at the same time, there may be a gas into the hydraulic chamber
Q:What is the cause of the damage of pump bearings?
Is the water pump motor overheating or damaged leaves overheating, resulting in overheating bearings, lubricating oil dry, excessive wear and tear guide system damage
Q:Advantages and disadvantages of centrifugal pumps?
Centrifugal pump; advantages and disadvantages:(1) advantages:The structure of the pump is simple and compact, and the centrifugal pump has small area, light weight, little material consumption and high cost for the foundation. Therefore, the cost of manufacturing and installation is less.For high speed operation, the 2 pole or 4 pole motor can be directly connected. The drive structure is simple and easy to install.
Q:What is the liquid pump? What are their categories? What are their strengths and weaknesses?
The pump is constructed by connecting large diameter gas piston with small diameter hydraulic piston. The two piston area ratio produces a pressure ratio, and the maximum output pressure can be calculated by the pressure ratio. High pressure ratio produces high outlet pressure. You can set the outlet pressure through a simple gas pressure reducing valve. Pressure ratio * gas drive pressure = output pressure.
Q:What are the problems that should be paid attention to when using vacuum pumps?
(14) vacuum pump used in the winter season, after stopping the pump body, lower drain plug unscrew medium on the net. To prevent cracking.(15) the vacuum pump has been disabled for a long time. All the pumps should be taken apart and dried. The rotating parts and the joint should be coated with grease and properly preserved.
Q:Why can the centrifugal pump hold down the pressure?
The pump before starting to pump shell and the water pipe filled with water, and then start the motor, the pump shaft to drive the impeller and water do high-speed rotation, centrifugal water movement, was thrown to the outer edge of the impeller, the pressure water pipeline flow through the volute pump into the pump shell.
Q:What are the characteristics of the piston pump?
1 、 built in overvoltage protection and flow correction system.6 、 large screen LCD display.7. The well designed exhaust device can effectively remove the bubbles in the liquid.8, flow and pressure settings can be memory, and PLC communication (custom).
Q:What happens when a centrifugal pump is selected?
First of all, the performance curve of the centrifugal pump is similar to the track of the train, and the train can not run away from the track.Secondly, the performance curves of centrifugal pump mainly include flow head curve, efficiency flow curve, power flow curve. When the pump is ready, the curve is fixed. In practical application, after determining the flow rate, the corresponding lift head, efficiency and power (relative to density) are determined. General requirements for centrifugal pump operating in the vicinity at the highest point of efficiency, the efficiency of the flow curve is similar to parabola, so if the actual operation condition deviated from the rated point, whether large or small, will cause the decline in pump efficiency (generally rated value is less than 15%), increased operating costs.
Q:What is the lift of diaphragm pump?
Tell you: diaphragm pump head is liquid through the pump energy obtained is called lift it, and flow and pump speed, a liquid density is generally 1 kg is 10 meters lift, horizontal pipeline 10 meters 1 meters lift, a 90 degree bend is 1 meters.

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