AY series oil pump
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Product overview
AY type centrifugal pump series, it was in Y type oil pump series on the basis of modification and redesign. It is to meet the needs of modernization, as soon as possible to adapt to energy saving centered equipment upgrading and development of new products. I plant production AY type pump in the case of without affecting the interchangeability, some parts of the original design is not reasonable place is improved.
Application field
AY type pump can be used in the oil refining industry, petrochemical industry, coal chemical industry and other places.
Product features
1. Bearing body parts to the original 35, 50, 60 Y type oil pump bearing body with 45, 55, 70 bearing replacement, improve the reliability.
2. The hydraulic flow components used the high efficiency and energy saving of hydraulic model, the average is more efficient than the old Y type oil pump 5-8%.
3. In order to keep the inheritance, AY type pump structure, installation size, performance parameters, material level to keep the same as the Y type oil pump, is advantageous for the renovation of the old mechanism.
4. Parts generalization degree is high, the general standard parts for several series of products share.
5. Select material refining, subject to Ⅱ, Ⅲ materials mainly. Bearing body parts such as increase of cast iron, cast steel, as the cold area, outdoor use, such as Marine provides favorable conditions.
6. Bearing free air cooled, fan cooling, the cooling system of water-cooling three, according to the different temperature of pump selection. The fan is especially suitable for cold water or areas of poor water quality.
The working conditions
Traffic: Q = 2.5-600 m3 / h
Head: H = 30-670 - m
Temperature: t = - 45 ~ + 420 ℃ (multistage pump - 20 ~ + 200 ℃)
Speed: 1450 r/min and 2900 r/min
Containing no solid particles oil, refined oil, liquefied petroleum gas and other medium, more applicable to transport inflammable, explosive or toxic in high temperature and high pressure liquid.
- Q:If the calculation of the required pump flow is 45, lift 110, and the actual pump flow 100, head 125, what will happen in operation? Can I use it properly?
- 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:No negative pressure water supply equipment, both the main pump and auxiliary pump, power is not the same, how to choose the control cabinet?
- Non negative pressure water supply equipment can be divided into non negative pressure tank and box type non negative pressure compensation device, steady flow tank type non negative pressure water supply equipment is the negative pressure tank, pressure tank can eliminate the negative effect of network equipment, is equipped with a vacuum suppressor and water protection box; non negative pressure water supply equipment has the advantages of simple device is a water tank with the boost voltage stabilizing device of complex box at the same time with no negative pressure tank.The tank type non negative pressure water supply equipment adopts vertical multistage centrifugal pump. This kind of pump is low noise and high efficiency. Such as CDL series and imported CR seriesOrdinary box type non negative pressure water supply equipment can use multi-stage centrifugal pump, also can use stainless steel submersible pump, submersible pump costs will be lower, but the maintenance costs will be high.
- Q:You'd better point out the details.... There are 2 best ways of experience and formulaCan you say a simple point, such as multi-stage pump, when the pump is higher than the motor, 30 wire is the next mouth how to do?
- For the first time, the pump and motor were placed on the base and not fastened (Cu Zhaozheng);Second times, the pump and motor have been tightened, the inlet and outlet flange bolts are not fastened;Third times, the pump runs 24 hours later.
- Q:The function of centrifugal pump
- 4, bearings are set on the pump shaft supporting the pump shaft components, there are two kinds of rolling bearings and sliding bearings. Rolling bearings use butter as a lubricant, refueling should be appropriate, generally 2/3 ~ 3/4 of the volume is too much, will heat, too little, there is noise and fever! The plain bearings are made of transparent oil as a lubricant and fill up to the oil level. Too much oil will leak out along the pump shaft and float *, too little, the bearings will overheat and burn out, causing accidents! In the pump running process, bearing temperature is highest in 85 degrees, generally run at about 60 degrees, if higher, will find the reason (whether there is impurities, whether the oil is black, whether water) and timely processing!
- Q:How much water does the water ring vacuum pump run for an hour? If there is no steam separator, does the water vaporize?
- Water ring vacuum pump is divided into many types, different sizes, different types, so water is different. As for how much water the no fixed amount, but to ensure that the water temperature is in 25 degrees, not more than 35 degrees can be.
- Q:How to distinguish the flow and displacement in the hydraulic pump? What's the difference between the two?
- If you're allowed to spend a minute, you can do it 20 times a minute, and that is, the amount of water you sprinkle at a time (1000) is *20.1000 (ML) *20=20000 ml =20 liters, this is the flow,Here is a formula for you to see,Pump displacement * pump speed = flow,
- Q:Excuse me, what is the water pump from the lotus root?
- Submersible sewage pump with septic tank, outlet pipe automatic coupling installation, dipping down can be.
- Q:Working principle and diagram of axial piston pump with pressure compensation variable
- Working principleThe main part (see section structure) the transmission shaft drives the rotating cylinder, the plunger seven uniform distribution on the cylinder to rotate around the shaft center line through the center of the spring will be slippery boots column components in the variable pressure in the head (or swash plate). In this way, with the rotation of the plunger cylinder for reciprocating motion complete, oil absorption and oil pressure action.
- Q:Pump unloading in hydraulic transmission,
- Can be used for short-term shutdown, pump non-stopNo unloading, usually through the overflow valve back to the tank, high pressure, power, at this time insurable pressure, and so on
- Q:Rotary vacuum pump does not meet the requirements of vacuum, what are the reasons?
- 1) oil rotary vane vacuum pump is too low, no effect on the oil seal exhaust valve, rotary plug to refuel after large exhaust sound, and oil mist, that the level is too low, the gas can be eliminated.(2) the vacuum caused by the condensable steam pollution of oil should be changed, and new vacuum pump oil should be replaced.
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