Traditional horizontal high-pressure pump and the balance of the benefits of horizontal high-pressure pump

We take the traditional horizontal high-pressure pump MD120 - on the market 50 x4 type pump, contrast MD120 - changsha pump industry production 50X4( P) Since the balance of horizontal high-pressure pump, for example, analyzing the benefits of difference between the two specific as follows.

customer basic information:

1, the day of displacement of 2000 m3; Working time: 15 hours, or an average of 120 m3 / H.

        2、( a) , vertical height: 160 meters; ( b) , pipe length: 180 meters; ( c) , pipes, menstruation: 125 mm (￠ Seamless steel tube) ;

3, on-site environmental temperature 40 ℃, humidity is about 90%;

4 use shall not be greater than 110 kw power, the power supply.

recommended models:

1, the selection scheme: according to the above conditions, the pump flow rate should be greater than 120 m3 / H, water pump must lift: according to the basic situation of the first a, b, c, a digital display, calculation of line loss to 30 meters, the vertical height of 160 meters, the pump must be the head of 190 meters.

2, recommend model: according to the height of water inflow and drainage, power supply condition, choose MD120 - 50x4( P) Type self balancing multistage high-pressure water pump is relatively appropriate; The rated flow of pump is 120 m3 / H rated head is 200 m; Maximum capacity is 140 m3 / H head is 188 m; The motor power of 110 kw. Speed: 2950 r/min. Power supply voltage: 380 v.

3, the control system: due to the motor power of 110 kw, if choose autoformer step-down control cabinet, safety coefficient is low, has certain drawbacks, recommended soft start control; Humidity up to 90% due to the site conditions, control cabinet cabinet put oneself in another's position needs to be done to anti-corrosion, anti-rust treatment, stainless steel shell, the cabinet must be internal dehumidification process, prevent accelerated aging electrical components, forming a short circuit, affect the normal work, and even burn out.

        4. : (, pipeline accessories 1) in and out of the caliber are DN125mm, in order to ensure enough into the water, it is suggested that will feed line increase a ( Use DN150mm) , at the entrance of suction of the pump is installed a DN125 into DN150mm variable diameter tube, using DN150mm bottom valve ( Also called shower) ; ( 2) Due to the pump before starting need water, exhaust, and must be started closing valves, water pump outlet must be packed in a wooden gate valve; In order to prevent reversal stop after high pressure water, formation water hammer damage the pump, to install a check valve; ( 3) Will inevitably be piping installation position difference, the pipe connected to the pump if Shouting there will damage the water pump, if the water pump pump body, flange, bad water pump body will be discarded; Recommended for import and export pump and pipeline joint with soft joint cushion. ( 4) Water pump and pipeline to bend bend Angle transformation, according to the site for piping, please according to the actual point of view, with the method of cutting steel pipe welding. Also can buy off-the-peg elbow bolting, are free to choose.

water pump configuration:

1, the pump material: pump body materials: nodular cast iron. Throttling device: the patent technology of wear-resisting material no. 1, to improve the wear resistance strength, improve equipment failure-free operation time.

2, sealing way: packing seal, High pressure packing) ;

3, bearing: low voltage side with ball bearing, high pressure side ( The end) Using the back-to-back angular contact bearings ( Domestic well-known brand wazhou bearing) ;

4, bearing lubrication way: oil splash, Or turbine oil) ;

5, the scope of supply: host of pump, motor, installation accessories: public base, coupling, anchor bolt, shield, import and export of the flange; And piping accessories ( Can choose the purchase) 。

self balancing type horizontal multistage high-pressure pump compared with ordinary high pressure multistage pump efficiency

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