Gauging box of Roots gas flowmeter

A gas flow meter and metering box technology, applied in volume measurement, liquid/fluid solid measurement, measurement capacity, etc., can solve the problems of gas supply unit loss, easy gas leakage, and high cost, and achieve stable measurement performance and structural design. Novel, prevent illegal gas stealing effect

Active Publication Date: 2007-11-21
上海埃科燃气测控设备有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, whether the unit uses gas, whether it is the installation of intelligent or mechanical Roots gas flowmeter device, it requires the gas unit to build a special installation room, which not only has a long cycle and high cost, but also takes up space and is inconvenient for installation. The on-site installation is limited by the site and testing equipment, and the reliability of its installation cannot be guaranteed, and it is easy to cause air leakage and other phenomena; secondly, it is impossible to implement effective supervision, and individual illegal users use the imperfection of the gas supply device itself (no anti-theft function) to steal gas, causing unnecessary huge losses to the gas supply unit

Method used

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  • Gauging box of Roots gas flowmeter
  • Gauging box of Roots gas flowmeter
  • Gauging box of Roots gas flowmeter

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1: with reference to accompanying drawing 1,3~5. The Roots gas flowmeter metering box, the filter 8 gas outlet located in the box 9 and the Roots meter 2 air inlet pass through the connecting pipe 1 (the connecting pipe 1 has a U-shaped overall structure, or a straight pipe and an elbow to form a U glyph structure), the air inlet of the filter 8 and the air outlet of the Roots meter 2 are communicated with the air inlet of the filter 8 and the air outlet of the Roots meter 2 through valves 7 and 3 respectively, and the valves 7 and 3 are in and out The interface of the air port is located on the outside of the box body 9 (the interface is a flange interface or a threaded interface), and the connecting pipes of the two valves 7 and 3 in the box body 9 are connected by a bypass valve 5 . Casing 9 can be processed and manufactured according to the prior art with reference to accompanying drawings 4 and 5. Filter 8 and Roots meter 9 are prior art, do not describ...

Embodiment 2

[0021] Embodiment 2: with reference to accompanying drawing 2 and 3. On the basis of Embodiment 1, there is no bypass valve 5 between the connecting pipes of the two valves 7 and 3 in the box body 9 .

Embodiment 3

[0022] Embodiment 3: with reference to accompanying drawing 6 and 7. On the basis of Embodiment 1, there is no bypass valve 5 between the connecting pipes of the two valves 7 and 3 and the two valves 7 and 3 are located outside the box body 9 .

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PUM

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Abstract

A metering case of Roots gas flow-meter is prepared as connecting air outlet of filter in said case to air inlet of Roots meter by connection pipe, connecting air inlet of filter and air outlet of Roots meter separately to air inlet of filter and air outlet of Roots meter through valve, setting interfaces of air inlet and air outlet on valve at external side of case body.

Description

Technical field: [0001] The invention relates to a metering box of a flowmeter with an integral structure formed by a Roots gas flowmeter and a box body, and belongs to the field of metering box manufacturing of the flowmeter. Background technique: [0002] At present, whether the unit uses gas, whether it is the installation of intelligent or mechanical Roots gas flowmeter device, it requires the gas unit to build a special installation room, which not only has a long cycle and high cost, but also takes up space and is inconvenient for installation. The on-site installation is limited by the site and testing equipment, and the reliability of its installation cannot be guaranteed, and it is easy to cause air leakage and other phenomena; secondly, it is impossible to implement effective supervision, and individual illegal users use the imperfection of the gas supply device itself (no anti-theft function) to steal gas, causing unnecessary huge losses to the gas supply unit. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F15/00G01F15/14G01F11/28
Inventor 赵建新卢小林
Owner 上海埃科燃气测控设备有限公司
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