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Gas Roots flowmeter

A Roots flowmeter and gas technology, applied in the field of metering, can solve the problems such as dust and particle impurities at the interface of the Roots flowmeter affecting normal use, and achieve the effects of easy calculation and processing, convenient installation and use, and avoid stuck meters

Pending Publication Date: 2022-03-22
何艳君
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the deficiencies of the prior art, the present invention provides a gas Roots flowmeter, which solves the problem that the interface of the Roots flowmeter is prone to dust and particle impurities affecting its normal use

Method used

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Embodiment

[0025] Such as Figure 1-5 As shown, the embodiment of the present invention provides a gas Roots flowmeter, including a metering chamber shell 1, one end of the metering chamber shell 1 is fixedly connected with a controller 2, and both ends of the middle part of the metering chamber shell 1 are fixedly connected with flanges 6. Both sides of the other end of the metering chamber shell 1 are fixedly connected with support rods 3, and the opposite ends of the two support rods 3 are fixedly connected with holders 4, and each holder 4 is used to hold two seals The backing plate 5, the sealing backing plate 5 of each holder 4 can seal the flange plate 6, the controller 2 includes a power module 19, an electric push rod control chip 21, a control chip 22, and the power module 19 is electrically Connect the electric push rod control chip 21, the control chip 22 and the electric push rod 8, the control chip 22 is electrically connected to the electric push rod control chip 21, the e...

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Abstract

The invention provides a gas Roots flowmeter, and relates to the technical field of metering. The gas Roots flowmeter comprises a metering chamber shell, a controller is fixedly connected to one end of the metering chamber shell, flange plates are fixedly connected to the two ends of the middle of the metering chamber shell, and a power module is electrically connected with an electric push rod control chip, a control chip and an electric push rod. The control chip is electrically connected with the electric push rod control chip, and the electric push rod control chip is installed in the electric push rod and used for controlling the electric push rod. The flange plate can be sealed through the sealing base plate of each clamping device, particle impurities are prevented from entering a meter body from air inlet holes of the flange plate in the transportation or installation process of the Roots flow meter, the phenomenon that the flow meter is stuck is avoided, impurity particles on the surface of the flange plate can be removed, and the service life of the Roots flow meter is prolonged. Therefore, the Roots flowmeter is convenient to install and use.

Description

technical field [0001] The invention relates to the technical field of metering, in particular to a gas Roots flowmeter. Background technique [0002] Gas waist wheel flowmeter, also known as Roots flowmeter, is mainly used as a high-precision meter for continuous or intermittent measurement of gas or liquid flow in pipelines. It has high precision, good reliability, light weight, long life, and low operating noise. Low, easy to install and use, etc. The waist wheel flowmeter can indicate the cumulative flow, instantaneous flow, single flow, etc. on the spot, and can also output pulse signals, 4-20mA or 1-5V analog signals, 485 communication, 4-20mA+HART, MODBUS protocol, etc. The Roots flowmeter is composed of a metering chamber, a metering rotor, a metering component assembly (that is, an internal measuring element) and a counting indicator assembly. There is a metering chamber in the housing of the Roots flowmeter, and there are one or two pairs of waist wheels (actuall...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F11/28G01F11/00G01F15/12
CPCG01F11/28G01F11/006G01F15/12
Inventor 何艳君陈凯陈惊卫温兴文
Owner 何艳君