supply vacuum pump

Industrial Electric Furnace On Improper Use Of Thermocouple
Industrial Electric Furnace Misuse Positive And Negative Poles Thermocouple
What Are The Inspection Methods Of Industrial Electric Furnaces?
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Thermocouple Of Improper Installation

9/27/2020

Bent shaft piston pump for motor

The introduction of curved shaft piston, such as fan motor driver, is designed for pump, F11 key - 6 series, saw motor, construction machinery. In conjunction with the company's existing F11 key series piston pumps, the F11 - 6 on the common feature is said to be a compact, lightweight, durable, reliable, less moving reliable operating part built at pressures up to 420 rod high speeds and accelerations. The F11 - 6 has compact structure, light weight, strong and reliable structure, few moving parts in operation pressure up to 420 bar. The use of heavy roller bearing makes each pump bear a lot of external load of axial and radial shaft, while laminated piston ring ensures low internal leakage and resistance to cold and hot shock.
In addition, the high-precision valve plate can increase the self-priming speed and low-noise operation. All of these features are combined into a range of capable function requirements with long, trouble free operation in a reliable and durable pump range in living conditions. The F11 - 6 on can also provide an installation option such as cetop, SAE, ISO, scope, see motor flange option. The series F11 keys are now available in sizes five, six, 10, 12, 14, 19 and 23cc / rev, a fan driven range. Behind the F11 series is Parker's global network of manufacturing and sales support centers.

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9/25/2020

Die casting of vertical fire pump

Difference between die casting and die forging blank of vertical fire pump
What are the differences between the die casting parts of vertical fire pump and the blank of die casting die forging? Please see the knowledge analysis carefully prepared by Xiaobian for you. It will certainly help you.
One is from the processing requirements of the surface layer of the blank. For example, aluminum die castings contain silicon, and the surface layer of the blank produced by die casting process has micro pores, and the surface layer of this material will have "black spots" after anodizing treatment. Therefore, if the blank is required to be anodized, the blank will not be produced by conventional die casting process;
Second, die casting parts are generally "structural parts", while die casting die forgings are "functional parts". "Structural component" is compared with "functional component". The latter generally refers to the protection against impact, high temperature, pressure, intensity, surface treatment and heat treatment. Typical products are engine block, hub, piston, connecting rod, brake shoe, pneumatic or hydraulic valve body, etc. The former is such as door frame, instrument panel, hair idea blouse, etc;
The third is to judge from the metallographic structure. Die casting and die forging are very easy to distinguish in metallography. The former is dendritic as cast structure, and the latter is forged structure with average broken grains;
Fourth, judging from the material composition. As the die castings are generally forged alloys, in view of other alloy names, they are often produced by die casting and die forging process.

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9/22/2020

Common problems of diaphragm vacuum pump principle

The use of chemical reaction instruments such as rotary evaporators, centrifugal concentrators and variety evaporators can not be separated from the function of vacuum pump. People usually choose the circulating water vacuum pump as the supporting product of rotary evaporators, but with the development of science and technology, the diaphragm vacuum pump used in laboratory has gradually replaced the circulating water vacuum pump and has been accepted by the majority of users.
Although the price of circulating water vacuum pump is affordable, it will encounter some problems in use, such as poor corrosion resistance of organic solvents, insufficient vacuum degree, slow distillation speed of DMSO, bad smell in laboratory, need to change water for cooling and so on. However, these problems are not problems for diaphragm vacuum pump used in laboratory.

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9/18/2020

Can the plunger pump handle viscous fluids?

The plunger pump can handle viscous fluids. As a variable piston pump manufacturer, Qidong Heli Hydraulic Equipment Co., Ltd. provides a variety of pressure ratios and displacement rates, and can provide a variety of piston pump components to meet your specific application needs. Our piston pump components are available in a variety of configurations, including single-column, double-column and heavy-duty double-column, to ensure that you provide suitable solutions for the following applications and many other applications.

The 200 series pumps in our factory provide high flow and pressure functions for their size pumps. It can provide a flow rate of 200 pph (pounds per hour) and a pressure of up to 115 psia. The pump is equipped with a powerful brushless DC servo motor that can clearly control the flow. The pump has 1000 hours of operation and a variety of aerospace specifications, providing industry-leading solidity and efficiency. Introduced the miniaturized new series of positive displacement pumps. Its unique radial piston design helps to self-prime at altitude and reduce cavitation. The piston pump can be installed on most planters and can be adapted to other application equipment.

Proper fluid management is not just a reliable pump, it requires an integrated system of components to work together to increase your productivity and output. In order to simplify the ordering process, we provide a complete hydraulic and pneumatic piston pump assembly, providing suitable pneumatic motors, piston pumps, installation, follow-up, control and downstream accessories for your specific application.

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9/17/2020

Key points of using axial piston pump

(l) The application field cooperation is a kind of shell non pressure bearing hydraulic components. The axial piston pump has the advantages of high pressure resistance, high efficiency, large transmission power, wide speed range, long service life and good bidirectional variable ability. Its disadvantages are strict requirements for the cleanliness of the working medium, large flow pulsation and noise, complex structure, high price and difficult maintenance. In modern hydraulic engineering, axial piston pump is mainly used as hydraulic pump in medium and high pressure (light series and medium series pumps, maximum pressure is 16 ~ 35MPa) and high pressure (heavy series pump, maximum pressure is 40 ~ 56mpa). The plunger pump is generally used as a "main pump" to transmit certain power. Due to its high price, it is rarely used as an auxiliary oil source only to provide control pressure or oil replenishment.

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9/16/2020

Slip leakage of screw pump and gear pump

Screw pump and gear pump slip leakage phenomenon and flow measurement characteristics

Before describing in detail the operation of each screw pump, let's review the common operation characteristics of some three screw pumps. As mentioned above, the twin-screw pump is capable of discharging the same volume of liquid with each rotation of the shaft. This means that the flow rate of the liquid discharged is proportional to the speed of rotation. In other words, simply change the screw pump speed can control the flow. For the higher viscosity of the liquid, only the shaft revolution can be measured on the pump.

Screw pump structure requires the use of closely with the internal components and a certain operating clearance. As a result of this gap, certain liquids may flow back from the discharge end to the suction end. This phenomenon is known as a "slip". The amount of fluid leakage depends on the viscosity, pressure difference and the internal clearance of the gear pump. The lower viscosity usually results in more slip leakage, while the more viscous liquid results in less slip leakage.

As the gear pump will always try to discharge the same amount of liquid, so it is important to have some necessary overpressure protection devices in the system.

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9/14/2020

Diagnosis process of plunger pump repair

The plunger pump is an internationally renowned hydraulic brand with hydraulic pumps such as Rexroth, Vickers, Denison, etc. It has many advantages, but even if it is a plunger pump, it is inevitable that some accidents and problems will occur in daily use. Failure, before encountering a failure, the plunger pump should be checked and maintained regularly. At the same time, after a failure, it should be checked and diagnosed in a timely manner.

Next, we will introduce the diagnosis process of the piston pump repair.
, After the accumulator is filled with gas, all parts must not be disassembled or loosened.

3. The compressed gas charged into the accumulator should be discharged first, and then the accumulator should be transported or disassembled.

4. If the gas pressure drops by more than 0.5MPa, check for gas leakage. When the gas is initially installed, check once a week and then once a month.
5. We need to know that inclined or horizontal installation will cause the airbag of the accumulator to contact and wear out the casing, which will affect the service life of the accumulator. Therefore, the accumulator is generally installed vertically with the oil port downward.

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9/11/2020

What do you know about sludge pump?

As an enterprise specializing in the production of sludge pump and sludge pump, we have produced high-quality products, but if we can't sell them, no one knows the excellence of our products, our production will be meaningless, so how to sell our products is a problem we need to solve.
In the present era, products are never lacking. What is lacking is the market. To sell products, we need marketing, and sales is a part of marketing. For example, selling sludge pump, how to sell to customers, we should pay attention to a strategy. The process of sales is also a process of interpersonal communication. Through this, your interpersonal network and the amount of information will be more and more large, which provides a huge market opportunity for your sales. Sales should pay attention to methods and strategies, not reckless, be good at summarizing, learn sales skills, understand the hearts of customers, where are the real needs of customers? Only really understand the customer, can we better communicate with him, meet his needs, and then sell the product to him.

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9/09/2020

Hydraulic valve use

Hydraulic valves are divided into check valves and reversing valves according to their uses. One-way valve: Only allow the fluid to be connected in one direction in the pipeline, and cut off in the reverse direction. Reversing valve: change the on and off relationship between different pipelines. According to the working position of the spool in the valve body, it can be divided into two, three, etc.; according to the number of channels to be controlled, it can be divided into two-way, three-way, four-way, five-way, etc.; according to the spool drive mode, it can be divided into manual, motorized, electric , Hydraulic etc. Figure 2 shows the working principle of the three-position four-way reversing valve. P is the oil supply port, O is the oil return port, and A and B are the output ports leading to the actuator. When the spool is in the neutral position, all oil ports are cut off, and the actuator does not move; when the spool is moved to the right position, P is connected to A, and B is connected to O; when the spool is moved to the left position, P and B are connected Pass, A and O pass. In this way, the actuator can move forward and backward.

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9/03/2020

Selection of Oilfield Water Injection Pump

There are two types of high-pressure pumps commonly used in oilfield water injection pumps, namely centrifugal pumps and plunger pumps. In terms of pressure, a single-stage centrifugal pump cannot meet the requirements of this design, but it can be realized by multi-stage combination. The plunger pump can meet this requirement, but in terms of flow, the plunger pump can only meet the design requirements through multi-cylinder combination, while the centrifugal pump can use the flow of a single impeller.

From the structural analysis, even if the centrifugal pump adopts multi-stage combination, it has the advantages of small size and light weight. The plunger pump (in the case of multiple cylinders) has a large volume and a high weight. In terms of performance, the centrifugal pump can use the more popular mechanical seals, so its leakage is small and the efficiency is high. The plunger pump has serious leakage, especially under high pressure, and its transmission mechanism is not stable under high pressure.

From the analysis of the medium, if the transported medium is clean water, it is more suitable for both pumps, but its leakage is larger than the plunger pump. Of course, if the medium (such as mud) with high viscosity or more impurities is transported, the mud plunger pump is still used in the oil field.

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