Rule out the method of high pressure large flow pump regulator failure

the so-called high pressure large flow pump regulator instrument fault, can be roughly divided into two kinds, one kind is their own fault, another kind is system failure, is the production process of instrument fault detection and control system.

a, high pressure large flow pump regulator instrument itself failure the first type of failure, because failure is clear, processing method is relatively simple, for this type of fault, instrument repair personnel summed up a set of instrument fault judgment method of 10 types of

1, survey method based on fault phenomena, and it produces survey on the development process of understanding, analysis, determine the cause of the problem.

2, intuitive test

don't have any test equipment, through the human senses ( Eyes, ears, nose, hand) To observe found fault.

3, open circuit method will suspect parts with the machine or unit circuit disconnect, can see the fault disappear, so as to determine the malfunction.

4, short circuit will suspect faulty MouJi temporarily short circuit or components, observe fault state for changes to determine the fault position.

5, substitution method by changing some components or circuit board to determine fault in a certain place.

6, division method in the process of malfunction, the circuit is divided into several parts and electrical parts, to find out the cause of the problem.

7 person in a cluttered electromagnetic field, human interference method ( Include the electromagnetic fields generated by ac power grid) A faint low-frequency electromotive force is induced, ( Nearly a few to several hundred microvolts) 。 When some people come into contact with the instrument circuit, circuit reflection occurs, this principle can be used to simply determine certain fault circuit parts.

8, voltage method voltage method is to use a multimeter ( Or other voltmeter) Appropriate range measurement doubt part, two points to measure ac voltage and dc voltage.

9, the method of direct measurement and indirect measurement method of current two kinds. Direct measurement is after disconnecting circuit string ammeter, measure current value compared with the instrument under the normal numerical value, to determine fault. Indirect measurement continuously open circuit, measure the resistance of pressure drop, according to the current value of resistance to calculate the approximate, more for transistor element current measurement.

10 resistance method and resistance control method in the case of no electricity, the multimeter electric block inspection instrument machine circuit and part of the input and output resistance of the circuit is normal, breakdown or whether the capacitor leakage, inductor, transformer wire break, short circuit, etc.

2, high pressure large flow water pump regulator system failure for the second type of instrument failure, namely the process of production in the control system of instrument fault detection, is more complex, from the importance and complexity of fault handling and fault handling to illustrate the basic knowledge of three aspects.

1, the importance of fault handling in petroleum and chemical industry production process often appear instrument malfunction phenomenon, due to the detection and control system is composed of a number of instrument ( Or element) Through the cable ( Or pipe line) , what a link fault occurs, it is difficult to determine. How to correctly judge, processing instrument faults in time, directly related to the oil and chemical production of security and stability, involving chemical products quality and consumption, but also can reflect the most instrument, instrument technicians working ability and business level.

2, fault handling because of the complexity of petroleum and chemical production operation pipelining, streamline, fully enclosed and other characteristics, especially the modern chemical industry automation level is high, operation is so intertwined with instrumentation, process engineering by detecting instrument display of various process parameters, such as reaction temperature, material flow, pressure and liquid level of container, the composition of raw materials such as judge whether the process is normal, the quality of the product is unqualified, according to the instrument to carry or production, or even stop. The abnormal phenomena (instrument Instructions on the high side, low, do not change, unstable, etc. ) , itself contains two factors:

1) Technological factors, faithfully reflect the process anomalies instrument;

       2） Gauge factor, because the instrument ( Measurement system) A link failure and process parameters instructed by mistake. These two factors always mix together, it is very difficult to judge out immediately, this increases the complexity of instrument troubleshooting.

3, the basic knowledge of fault handling instrument, instrument technician to timely, accurate diagnosis instrument, in addition to the many years of practice experience, must be working principle, structure, performance features of instrumentation is quite familiar with. In addition to familiar with every link in the measurement control system, cope with the process medium physical and chemical characteristics, the main characteristics of the chemical equipment, it will help the instrument technicians broaden the train of thought, help to analyze and judge fault.

Anyone who has seen the latest winter cover pump submersible pump in operation cannot help but be impressed with how far the technology has progressed over the past few years.
J&T INDUSTRY CO.,LTD. is one of China's leading providers of state-of-the-art . For decades, we've served numerous residential, commercial, and industrial clients. To contact us for a free quote for your home or business please visit J&T INDUSTRY.
pool cover drain pump submersible pump are primarily used for winter cover pump.
If our brand is successful and consistent, it will be much easier to initially grab customers and encourage them to purchase submersible pump further.
An easy and inexpensive submersible pump solution can be easily obtained now through purchasing a submersible pump pool cover drain pump online. Find your solution at J&T INDUSTRY, your demand will be satified.