Heavy oil petrochemical gear flowmeter

1、 Product Introduction

Heavy oil petrochemical gear flowmeterThe core principle lies in its internal mechanical structure - a pair of precision meshing gears. When fluid passes through, these gears rotate, and each revolution corresponds to a certain volume of fluid passing through. Therefore, the amount of fluid flowing through can be determined by calculating the speed of the gears. This purely mechanical measurement method not only ensures the stability and reliability of the measurement, but also, due to the absence of electrical components, makes this type of flowmeter inherently safe (intrinsic safety) and suitable for various potential hazardous environments.

The reason why small flow meters are called "oil meters" is that they are often used for flow measurement of petroleum and related products. These types of flow meters are usually exquisitely designed and can be used for accurate detection of small flow rates, meeting the need for precise flow control in complex systems.

In terms of material selection, a micro flowmeter with stainless steel as the main material can be chosen. Stainless steel is not only sturdy and durable, but also has excellent corrosion resistance. This means that even in harsh chemical environments, such as chemical production or food hygiene industries, this flowmeter can still maintain long-term stable working conditions and is not easily affected by corrosive media, ensuring measurement accuracy is not affected.

The display and signal transmission functions of micro flow meters should not be underestimated. The on-site display function means that data can be directly read on site, facilitating real-time monitoring of flow changes by operators. At the same time, the presence of pulse transmitters allows flow data to be converted into electronic signals and transmitted over long distances to control rooms or other monitoring devices, which is crucial for modern automation control systems.

IIHeavy oil petrochemical gear flowmeterProduct Features

1. Not affected by the viscosity of the medium;

2. Lightweight and compact structure;

3. Both instantaneous flow and cumulative flow can be measured;

4. The orientation and direction of the device are not constrained.

It is particularly suitable for heavy oil Glue Kerosene Flow measurement of high viscosity media such as resins Small volume, light weight, low vibration noise during operation, and stable operation (capable of measuring fluids with viscosity up to 10000 Pa · s) It can also be used for measuring small flow rates of small pipe diameters The starting flow rate is small, the range ratio is wide, and it is suitable for measuring liquid flow rates that are subject to large fluctuations. The measurement accuracy is not affected by pressure and flow rate changes, and it has many characteristics such as stable performance, long service life, and high flow capacity.

3、 The selection technical parameters are as follows:

Measurement Range Table

Model

4、 Common faults and solutions of circular gear flowmeter

(1) Fault phenomenon: [Normal liquid flow but no display on the instrument]

Cause analysis: The power supply is not connected or there is a wiring error between the sensor and the instrument, or there are faults such as open circuit, short circuit, poor contact, etc.

The preamplifier is faulty or the gear is stuck.

Elimination method:

1. Connect the power or check if the wiring is correct, and use a multimeter to troubleshoot the problem.

2. Check the preamplifier.

3. Remove foreign objects and clean or replace gears. Gear replacement should be rechecked to obtain new instrument coefficients.

(2) Fault phenomenon: The liquid does not flow, the flow rate display is not zero, or the display value is unstable

Root cause analysis:

1. Poor grounding of transmission wire shielding, external interference signals mixed into the input terminal of the display instrument;

2. Pipeline vibration causes gears to vibrate and generate incorrect signals;

3. Interference caused by internal faults in the display instrument;

Elimination method:

1. Check if the grounding terminal of the shielding layer display instrument is well grounded

2. Reinforce pipelines or secure sensor screws

3. Repair the display instrument panel