Gas float flow meter with scale regulation function according to on-line pressure
A float flowmeter and flowmeter technology, applied in the direction of volume/mass flow caused by mechanical effects, can solve problems such as affecting the use of flowmeters, limiting the installation position of flowmeters, and unfavorable field promotion of industrial energy conservation.
Inactive Publication Date: 2010-08-25
包头中创节能装备科技有限公司
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Problems solved by technology
[0003] The existing domestic float flowmeter is connected in series at the end of the gas path to measure the gas flow in the gas path without online pressure, which strictly limits the installation position of the flowmeter and affects the use of the flowmeter
In addition, electronic flowmeters are expensive, have high requirements on gas quality, and have a short lifespan, which is not conducive to the promotion of industrial energy-saving sites
Method used
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Embodiment Construction
[0012] The present invention will be further explained below.
[0013] The present invention is an improvement on the traditional float flowmeter. A pressure gauge is installed at the air outlet to display the online pressure of the flow meter; the calibration curve corresponding to different flow rates is determined according to the read online pressure. During measurement, the guide rod of the flow meter coincides with the online pressure scale on the scale cylinder. Read the size of the scale corresponding to the intersection of the upper plane of the float and the guide rod, which is the gas flow through the flowmeter under the on-line pressure. The gas float flowmeter that can be scaled and adjusted according to the online pressure includes: scale cylinder 1, sealing cylinder 2, cone cylinder 3, guide rod 4, float 5, pressure gauge 6, and end cover 7. (See Figure 1).
[0014] 1. There is online pressure during measurement, which is characterized by:
[0015] According to the ...
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The invention belongs to the field of energy saving of a pneumatic system, and realizes a gas floater flowmeter used for the scale adjustment under the condition of pressurization according to online pressure. The content of the invention mainly relates to a floater flowmeter in serial connection with a pipeline adjusts scale marks according to the size of the online pressure and reads out gas flow in the pipeline under the condition of existence of the online pressure. The flowmeter is different from the prior online pressure floater flowmeter in serial connection with the bottom end of an air channel. The flowmeter is in serial connection with the air channel, obtains the size of the online pressure according to a pressure value display arranged at the air outlet end of the flowmeter, determines a scale mark corresponding to the online pressure through the adjustment of a scale drum and thus obtains the flow size of gas flowing the flowmeter at the online pressure. The flowmeter hasa simple structure, low cost, flexible mounting, convenient use and is favorable for wide application in the pneumatic energy saving field.
Description
[0001] The invention belongs to the field of energy saving of pneumatic systems, and relates to a gas float flowmeter that can be scaled and adjusted according to online pressure. Background technique [0002] Gas flow measurement is a key technology in the field of energy saving in pneumatic systems. Gas flow is a key parameter in a pneumatic system, and it is the basis for analyzing and researching pneumatic energy consumption. Gas flow meters are widely used in many industrial and civil applications. [0003] The existing domestic float flowmeters are connected in series at the end of the gas path, and measure the gas flow in the gas path without online pressure, which strictly limits the installation position of the flowmeter and affects the use of the flowmeter. In addition, electronic flow meters are expensive, require high gas quality, and have a short life span, which is not conducive to the promotion of industrial energy-saving sites. In view of this situation, the gas fl...
Claims
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IPC IPC(8): G01F1/52
Inventor 蔡茂林
Owner 包头中创节能装备科技有限公司