2015年4月28日星期二

Hydraulic piston pump note

Production Engineering, 11-15, chap4, no rod pumping, including electric submersible pumps, hydraulic piston pumps, hydraulic jet pumps. Electric submersible pump (ESP),hydraulic piston pump , a device with a simple structure, high efficiency, large displacement, high degree of automation is widely used in high-yielding non-flowing wells, including wells and offshore oilfields high.

Statistics show that the average fluid production electric submersible pump is more than two times that of conventional rod pump.submersible fuel pump

This morning even have a foreign stranger to me chat client requires hydraulic piston pumps. This initiative fingertips worry haha. . . . portable fuel transfer pump ,censtar released products also received a customer inquiry. Chat with foreigners feel good ah ~ ~ ~


2015年4月24日星期五

Advantages of screw pump system

(1) small-time investment. Electric submersible pump, hydraulic piston pumps and beam pumping unit chain compared screw simple structure,fuel dispensing machine the minimum time investment.

(2) pump efficiency, energy-saving effect, low maintenance costs. Because screw workload stable,gas transfer pump , small mechanical losses, pump efficiency up to 90%, machinery and production equipment in the existing minimum energy consumption, one of the most efficient models.

(3) small footprint. Ground screw device is simple and easy to install.

(4) for heavy oil recovery. In general,gas station dispensers , screw suitable viscosity for 8000mPa · S less crude oil, and therefore the majority of heavy oil can be applied.


2015年4月21日星期二

Compared with other artificial lift methods,screw pump system


(1) meet the high sand wells. Theoretically, the screw can transport amounted to 80% of mortar sand,hydraulic piston pump , sand down in crude oil amounted to 40% of the cases may be normal production (except sand buried situation).

(2) adaptation does not happen with high gas screw air lock, and therefore more suitable for mixed transportation of oil and gas,submersible fuel pump but the downhole pump inlet of free gas will affect the volumetric efficiency.

(3) suitable for offshore oilfield cluster wells and horizontal wells group. PCP can be under the slant hole section,gear type pump and small equipment footprint, making it suitable for offshore oil.


2015年4月17日星期五

Effect of gear pump performance parameters gear machining tolerances for micro external gear


Parker hydraulic lifting mechanism is set to introduce the technology in the United States Pike domestic manufacturing,gas transfer pump assembling small hydraulic power systems. The heart of the system and the power source is the micro external gear pumps, its speed up to 3700 Rpm, instantaneous working pressure up to 35 MPa, which addendum circle diameter gear of only 14 mm, but it is also affected by the passing rate system One of the important parts.

Currently, this system is the company's qualified domestic Parker was about 75%.
Through experimental study found that the pump performance is not the main reason for compliance With the Traffic Load When Lifting Mechanism for this indicator. This article is the impact parameter tolerances of micro external gear pumps for the study of the flow from the external gear pump works, combining theoretical research and experimental verification,fuel card management system the mathematical model of miniature external gear pump flow, integrated use orthogonal experimental design, computer simulation and genetic algorithms, quantitative research to solve real business problems will start to analyze the impact of micro external gear pump gear pump performance tolerance parameters, and gives the optimum parameters of gear machining tolerances.

For enterprises to improve product pass rate laid the theoretical and experimental basis,mechanical fuel level gauge to improve the economic efficiency of enterprises, production and development of large quantities of new products have a certain significance.


2015年4月14日星期二

Vacuum pumps and pumping equipment


Vacuum petrochemical knowledge refers to the use of mechanical, physical, chemical,gear type pump or physical and chemical methods have been drawn for container extraction and vacuum devices or equipment to obtain. The vacuum pump is in a closed space with a variety of improved methods of generating and maintaining the vacuum apparatus. By vacuum pump works, pumps can be divided into two types, namely gas pumps and gas transmission pump trap.

 It is widely used in metallurgy, chemical industry, food, electronics and other industries coating.Censtar gas transfer pump ,external gear pump,hydraulic piston pump


2015年4月11日星期六

Momentum transfer pump



Rely blades rotating at high speed or high-speed jet, the momentum transfer to the gas or gas molecules,gas transfer pump , so that continuously transferred from the gas inlet to the pump outlet. Such pumps can be divided into the following form,

 Molecular pump
It is the use of high-speed rotation of the rotor to transfer momentum to the gas molecules, and thus obtain the orientation speed,automated fuel management system , so as to be compressed, is driven towards the exhaust port of the preceding stage is drawn away after a vacuum pump. This pump concrete can be divided into,

1) traction molecular pump and high-speed movement of gas molecules collide and get momentum rotor is driven to the pump outlet.

2) turbo molecular pump by high-speed rotation of the rotor blades and the stationary blade with each other to achieve a given pumping. Such pumps are typically operate at the molecular flow state.fuel dispensing pump

3) It is composed of complex molecular pump turbo molecular pump and traction type two series combination of a complex type of molecular pump.


2015年4月7日星期二

Can ordinary centrifugal transfer gas ?



Centrifugal impeller is rotated and the water use of centrifugal movement to occur work. Before starting the pump,gas transfer pump must be filled with water suction pump casing and the inner tube, and then start the motor, so that the shaft drives the impeller and water to make high-speed rotation, centrifugal movement of water occurs, thrown to the outer edge of the impeller,hydraulic piston pump the volute casing pump flow Road inflow pump pressure water line.

The basic structure of the centrifugal pump is composed of six parts,respectively impellers, pump, pump shaft, bearings, seal rings, stuffing box. So ordinary centrifugal pump can transport gas it? The answer is no. This is because as ordinary centrifugal blade is thick airfoil does not apply to transport gas.

The direction of rotation is not right,submersible fuel pump tightness worse, can not for the transmission of gas. Leaves transporting gas is generally thin and narrow, curved and twisted airfoil.