Integrated Roots type flowmeter with gas leakage detection function

A Roots flowmeter and gas leakage technology, applied in measuring devices, fixed measuring rooms, instruments, etc., can solve the problems of increased installation and maintenance costs, many connection points, and many instruments, and achieve convenient timing calibration and reduce The effect of maintenance and reduction of project cost

Inactive Publication Date: 2016-10-12
天津市迅尔仪表科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] There are many instruments installed on site and many connection points, re

Method used

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  • Integrated Roots type flowmeter with gas leakage detection function
  • Integrated Roots type flowmeter with gas leakage detection function
  • Integrated Roots type flowmeter with gas leakage detection function

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Embodiment Construction

[0018] A specific embodiment of the invention will be described below in conjunction with the accompanying drawings.

[0019] Such as figure 1 As shown, the present invention provides an integrated Roots flowmeter with built-in gas leakage detection, which is characterized in that it includes a microprocessor, a signal output part, a display part, a storage part, a power supply part, a keyboard and a remote control part, and a gas leakage detection part. part and the temperature, pressure and flow detection part, the signal output part, the display part, the keyboard and the remote control part are respectively connected with the microprocessor, the temperature, pressure and flow detection part is connected with the gas leakage The detection part is respectively connected with the microprocessor through the A / D converter, and the keyboard, the remote control part and the microprocessor are respectively connected with the power supply part.

[0020] Among them, microprocessor:...

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Abstract

The invention belongs to the technical field of flow measurement, and particularly relates to an integrated Roots type flowmeter with a gas leakage detection function. The Roots type flowmeter comprises a microprocessor, a signal output part, a display part, a storage part, a power source part, a keyboard and remote control part, a gas leakage detection part and a temperature, pressure and flow detection part. The signal output part, the display part, the keyboard and remote control part and the storage part are connected with the microprocessor. The temperature, pressure and flow detection part and the gas leakage detection part are connected with the microprocessor through A/D converters respectively. The keyboard and remote control part and the microprocessor are connected with the power source part. The integrated Roots type flowmeter has the advantages that a pipe body of the Roots type flowmeter is provided with a gas leakage detection sensor, the on-site gas leakage amount can be detected in real time, an alarm is given in time when leakage occurs, and a signal is output to turn on an exhaust fan or turn off a gas inlet valve to cut off a dangerous source when the flowmeter exceeds safety limit requirements.

Description

technical field [0001] The invention belongs to the technical field of flow measurement, and in particular relates to an integrated Roots flowmeter with self-contained gas leakage detection. Background technique [0002] Gas Roots flowmeter is mainly composed of housing, conjugate rotor, counter and intelligent flow converter and other components. A pair of conjugate rotors installed in the metering chamber are under the action of the pressure difference between the inlet and outlet of the circulating gas (P in > P out), and the rotors are kept in the correct relative position through the precisely machined adjustment gears. Optimum working clearance is maintained between the rotors, between the rotor and the housing, between the rotor and the wallboard, and a continuous non-contact seal is realized. Every time the rotor rotates once, it outputs gas four times the effective volume of the metering chamber. The rotation speed of the rotor is transmitted to the intelligent ...

Claims

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Application Information

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IPC IPC(8): G01F11/28G01D21/02G08B21/16
CPCG08B21/16G01D21/02G01F11/28
Inventor 李红锁李守宽李增荣邢文莉
Owner 天津市迅尔仪表科技有限公司
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