Storage tank bottom plate welding line vacuum test apparatus

A vacuum test and storage tank bottom plate technology, applied in the direction of using liquid/vacuum degree to measure liquid tightness, and detecting the appearance of fluid at the leakage point, etc., can solve the problem that the welding seam detection method is not rigorous and cannot meet the requirements of construction specifications , Affecting the construction quality of storage tanks and other issues, to achieve the effect of simple structure, improving the progress of vacuum leak detection and improving work efficiency

Inactive Publication Date: 2018-01-05
SHANDONG ZAOJIAN CONSTR GRP CO LTD
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Problems solved by technology

For tightness inspection, the commonly used detection methods are: air tightness test, ammonia test, kerosene test, etc., but simple test devices are used in actual engineering construction, and the welding seam detection method is not rigorous, which often fails to meet the requirements of construction specificatio

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  • Storage tank bottom plate welding line vacuum test apparatus
  • Storage tank bottom plate welding line vacuum test apparatus
  • Storage tank bottom plate welding line vacuum test apparatus

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[0014] The present invention will be further described below in conjunction with the description of the drawings and the specific embodiments.

[0015] A vacuum test device for the welding seam of the bottom of a storage tank, comprising a frame body 1 in the shape of a rectangular parallelepiped, characterized in that the top and bottom of the frame body 1 are provided with openings, and the top of the frame body is provided with openings. Observation window 2, the two long sides of the frame body 1 are equipped with vacuum pressure gauges 3, the two vacuum pressure gauges 3 are set diagonally, and two vacuum pressure gauges 3 with the same range are set diagonally for verification. At the same time, the air pressure change in the frame can be accurately observed in real time during the vacuuming process. The control valve I4 is installed in front of the vacuum pressure gauge, and the two short sides of the frame are respectively provided with a vacuum pump interface 5 and an air...

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Abstract

The invention discloses a storage tank bottom plate welding line vacuum test apparatus. The apparatus includes a frame body which has the shape of a rectangle. The apparatus is characterized in that the top part and the bottom parts of the frame body are provided with an opening. The top part of the frame body is provided with an observation window. The two elongate side surfaces of the frame bodyare both provided with a vacuum manometer. Each vacuum manometer is provided with a control valve I in the front thereof. The two short side surfaces of the frame body are respectively provided witha vacuum pump interface and an air inlet. The vacuum pump interface and the air inlet are both provided with a control valve II.

Description

technical field [0001] The invention relates to a vacuum test device for a weld seam vacuum test in the manufacture, installation and construction of storage tanks, belonging to the field of electromechanical installation and construction tools. Background technique [0002] At present, in the installation of electromechanical equipment in my country, non-destructive inspection is used for weld inspection, including appearance inspection, compactness inspection and non-destructive flaw detection inspection. Appearance inspection is mainly based on direct observation with the naked eye. If necessary, use a 5-10 times magnifying glass to inspect. The appearance inspection is mainly to find surface defects of welded joints. For tightness inspection, the commonly used detection methods are: air tightness test, ammonia test, kerosene test, etc., but simple test devices are used in actual engineering construction, and the welding seam detection method is not rigorous, which often ...

Claims

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Application Information

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IPC IPC(8): G01M3/12
Inventor 冯文启褚福法孙延轲王彦庆于洋
Owner SHANDONG ZAOJIAN CONSTR GRP CO LTD
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