Coal Mining Centrifugal Dewatering Pump for High Power

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• Horizontal centrifugal diesel slurry pump

3.Specification of Coal Mining Centrifugal Dewatering Pump

Item	Slurry Belt Driven Pump
Sludge Pump	High Quality Cast Iron Horizontal Sludge Pump
Model	CMAH
Material	Cast iron,Metal
Mode	Horizontal
Color	Blue
Drive	Belt
Seal	Soft packing seal
Theory	Centrifugal Pump
Structure	Single-stage Pump
Usage	Slurry
Power	Electric
Standard or Nonstandard	Standard
Fuel	Diesel
Pressure	High Pressure
Application	Industrial,mining, coal mine, power station
Outlet Diameter	40-350mm
Capacity	10.8-5400m3/h
Head	3-118m
Rotation Speed	300-3800r/min
Power	15-1200kW
Certificate	ISO9001
Feature	High efficiency,Easy maintenance

① What is your product range?

Centrifugal pump, slurry pump, gravel pump, clean water pump, sewage pump, chemical pump, single stage

pump, double suction pump, industry pump, oil pump, paper pulp pump, mud pump, self-priming pump, pipe

water pump, boiler water pump, etc.

② Are you a manufacturer?

Yes, we have been in manufacturing and marketing industry centrifugal pump over 20 years.

③ What information should I let you know if I want to get a quotation?

Pump capacity, pump head, medium, medium temperature, pump material, quantity, if possible, please also

provide the pump model you are using now, price will be calculated as per the pump model, if not, we will recommend relevant product for reference.

Q: The function of centrifugal pump: The basic structure of the centrifugal pump is composed of six parts, namely: impeller, pump body, pump shaft, bearing, sealing ring, stuffing box.1, the impeller is the core part of the centrifugal pump, it is high speed, large output, the impeller blade and play a major role in the impeller before assembly, through the static equilibrium experiment. The inside and outside surfaces of the impeller are required to be smooth, so as to reduce the friction loss of the water flow.

Q: What are the important parameters of the pump?: Mass flow is expressed in Qm units: t/h, kg/s, etc.The relation between mass flow and volume flow is:Qm= P QIn the p - type liquid density (kg/m3, t/m3), room temperature water P =1000kg/m3.Lift H

Q: Water pump outlet valve sequence: In order to prevent the generation of water hammer when the pump stops the damage to the rubber head, should be immediately set rubber head pump outlet, the gate valve and the check valve is not a very convincing reason to decide the order of habits in our hospital order rubber head, check valve, gate valve1. Check valve located in front of the pump, I do not know what the significance is too great to think of.2. The actual installation sequence shall be: soft fittings, check valves, gate valves. The pressure gauge is best installed on the water outlet of the pump, but it must be in front of the check valve.Reason: 1) the soft joint is used to reduce vibration. The connection between the pump and the piping system, of course.2) normal work, the gate valve is not operating, and the check valve is frequent action, so the probability of maintenance is larger, when the maintenance of the pump closed, the water outlet valve can be maintained without affecting the normal operation of the system.3) the pressure gauge is installed in the check valve, which can prevent the impact and damage of water hammer on the pressure gauge.

Q: How to distinguish the flow and displacement in the hydraulic pump? What's the difference between the two?: For example, once you sprinkle water from the tank to the ground, one shot of water is 1000 milliliters, which is equivalent to displacement, once (pump turn) 1000 ml.,

Q: Operating procedures for measuring pumps: start-up1. Adjust the stroke indication to zero by adjusting the nut or handle with the rotary stroke.2 open the outlet valve.3. Open the inlet valve, pump, exhaust from the high point, exhaust from the relief valve, the breather valve.4, point motor, check the operation of the pump.5. Start the motor.6, without pressure on the premise, every 15 minutes to improve the stroke 20%, if there is no pressure, do not substantially improve the stroke.Note: (1) whether the sound or vibration of the pump is abnormal (2), whether the stroke adjustment is automatic or not

Q: What is the difference between centrifugal pump and positive displacement pump?: The centrifugal pump is to rely on high-speed rotation of the impeller to do work on the fluid. These two types of pumps are also the most widely used.

Q: What is the main difference between SK water ring vacuum pump and 2BV water ring vacuum pump?: The unified corrosion resistant design of bronze impeller improves the corrosion resistance of the pump, and the stainless steel material is more suitable for more severe applications;

Q: Pneumatic diaphragm pump compressed air pressure is 4 kg, the discharge pressure is how big?: Pigment pressure is less than 0.4mpa,About 0.3. Go up.As the pump diaphragm is in the middle of a connecting rod, equivalent to the cylinder cavity, the pressure will be reduced; and because of the loss of pigment tube pressure will be reduced.

Q: Why is the sewage pump device coupler?: Automatic coupling installation of sewage pump is a sewage pump with automatic coupler and a guide rod guide chain fixed installation, convenient maintenance, manual maintenance can be directly hung up by the pump coupling device, ordinary sewage pump is generally Mobile

Q: How to maintain and repair the booster pump of pipeline pump?: Two 、 troubleshootingfaultReasonRemoval method1. water pump does not produce waterThe water injected into the water pump is not enough, the rotation direction is not right, and the impeller passage is blocked.Pump water into the pump, pass through the impeller runner, adjust the direction of rotation.2. pump flow is insufficientThe pump speed is too low, part of the blockage, the total lift pump is higher than the rated value, the damage to the impeller.Clean the water pump and pipe, replace the impeller, increase the pump shaft revolutions, adjust the outlet valve.3. lack of outlet pressureThere is air in the liquid, the speed is too low, the impeller is damaged and the outlet valve is open.Exclude liquid air, increase the pump speed, replace the impeller, adjust the small outlet valve.

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