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Multifunctional probe combination device of Verabar flowmeter

A combined device and flow meter technology, applied in measuring devices, volume measurement, liquid/fluid solids measurement, etc., can solve the problems of unsafe, uneconomical to stop production, clear blockage, etc., achieve the improvement of strength and effect, and the overall structure design is compact and ingenious , The effect of improving the purging efficiency

Active Publication Date: 2020-09-22
SHANGHAI MEISHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is uneconomical and unsafe to stop production and clear the blockage. Therefore, there is an urgent need for a new solution to solve the above technical problems

Method used

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  • Multifunctional probe combination device of Verabar flowmeter
  • Multifunctional probe combination device of Verabar flowmeter
  • Multifunctional probe combination device of Verabar flowmeter

Examples

Experimental program
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Embodiment 1

[0018] Embodiment 1: see Figure 1-Figure 4 , a Verabar flowmeter multifunctional probe combination device, the device includes a pneumatic purging device, a pneumatic adjustment cleaning descaling device and a differential pressure signal repair compensation device, the pneumatic adjustment cleaning descaling device is connected to the pneumatic purging device, The pneumatic purging device is connected to the differential pressure signal repair compensation device; see figure 1, the pneumatic purging device includes a slidable telescopic purger 6, a fixed chute 5, a purge push rod 7, a piston, an L-shaped pneumatic chamber 17, an electric control valve 14 for pushing, and a pressure relief and reset electric control valve 18, Purge the electric control valve 19 and the high-pressure accumulator tank 16, and the Verabar flowmeter 3 is vertically inserted and installed on the blast furnace gas main pipeline 1 according to the process installation requirements. The side samplin...

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PUM

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Abstract

The invention relates to a multifunctional probe combination device of a Verabar flowmeter, which comprises a pneumatic purging device, a pneumatic adjustment cleaning descaling device and a differential pressure signal repair compensation device, the pneumatic adjustment cleaning descaling device is connected with the pneumatic purging device, and the pneumatic purging device is connected with the differential pressure signal repair compensation device. According to the scheme, the accurately aligned and telescopically adjustable purging device is arranged in the measuring pipeline, meanwhile, the descaling sweeper capable of being automatically adjusted is arranged, and further through combined application of pneumatic control and electric control, online self-cleaning reverse purging ofthe Verabar flowmeter probe in the measuring pipeline is achieved; moreover, probe blockage differential pressure repair compensation is realized, differential pressure measurement signals are automatically compensated, the measurement precision and accuracy of the flowmeter are ensured, differential pressure signal display continuity is ensured, and industrial production stability is ensured.

Description

technical field [0001] The invention relates to a combination device, in particular to a Verabar flowmeter multifunctional probe combination device, which belongs to the technical field of electromechanical integrated control. Background technique [0002] Verabar gas flowmeter is widely used in the blast furnace gas measurement system. Its specially designed probe with the cross-sectional shape of the bullet head can produce accurate pressure distribution and fixed fluid separation point; The pressure tap can generate a stable differential pressure signal. However, blast furnace gas contains a lot of dust and impurities, and coal tar will also adhere to the small pressure hole of the probe after long-term operation, which will directly cause the probe to be blocked and affect the measurement accuracy. Due to the continuity of industrial production, there is very little opportunity to stop production to disassemble and clean the Verabar probe. It is neither economical nor ...

Claims

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Application Information

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IPC IPC(8): G01F15/12G01F15/02G01F15/04G01F15/00
CPCG01F15/12G01F15/022G01F15/043G01F15/005Y02E60/16
Inventor 成涛顾蓉
Owner SHANGHAI MEISHAN IRON & STEEL CO LTD
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