Rapid leakage detection method for dry, quenching and burning triple water-cooling sleeve
A technology of water-cooled casing and dry quenching, which is applied in the direction of liquid/vacuum measurement of liquid tightness, etc., can solve the problems of multiple manpower, capital and time, and low efficiency, and achieves simple design ideas, convenient material acquisition, and economical efficiency. human effect
Pending Publication Date: 2020-09-18
MCC5 GROUP CORP SHANGHAI
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Problems solved by technology
[0003] The invention provides a quick leak detection method for CDQ triple water-cooled casing, which solves the problems that the existing method needs to invest more manpower, capital and time, and has lower efficiency.
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[0016] The specific implementation manner of the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.
[0017] Such as figure 1 As shown, the present invention provides a rapid leak detection method for CDQ triple water-cooled sleeves, using a lifting mechanism to suspend the water-cooled sleeves to be inspected, put them into the high-altitude maintenance platform, and then combine the first and second The blind plate realizes rapid on-site leak detection of the water-cooled casing to be inspected. The whole process does not need to put the water-cooled casing to be inspected on the ground, which reduces the distance of moving back and forth and installation time, and can realize regular leak detection and repair, reducing the number of replacements , to save the investment of manpower and material resources. Before that, it is necessary to carry out a little modification on the water-cooled casing to be ...
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The invention belongs to the technical field of equipment maintenance, and discloses a rapid leakage detection method for a dry, quenching and burning triple water-cooling sleeve. The rapid leakage detection method comprises the following steps: hoisting the to-be-detected water-cooled sleeve by utilizing a hoisting mechanism, detaching other equipment connected with the bottom of the to-be-detected water-cooled sleeve, unscrewing parts, connecting to other equipment, at the top of the to-be-detected water-cooled sleeve, descending the to-be-detected water-cooled sleeve by a specified distance, inserting a first blind plate between the connecting parts, and then screwing down the connecting parts; dismounting connecting pipelines at all positions of the to-be-detected water-cooling sleeve,and continuing descending the to-be-detected water-cooling sleeve through the hoisting mechanism till the to-be-detected water-cooling sleeve is temporarily fixed to a high-altitude maintenance platform; using a second blind plate for blocking a drainage flange, supplying water to the water supply flange through an outer cylinder, carrying out leakage detection on the to-be-detected water-cooledsleeve, and marking and repairing leakage points; and removing temporary fixation between the to-be-detected water-cooled sleeve and the high-altitude maintenance platform, lifting the to-be-detectedwater-cooled sleeve to an installation position through the hoisting mechanism, pulling out the first blind plate and the second blind plate, and recovering connection between all positions of the to-be-detected water-cooled sleeve and other equipment.
Description
technical field [0001] The invention relates to the technical field of equipment maintenance, in particular to a rapid leak detection method for CDQ triple water-cooled sleeves. Background technique [0002] In the CDQ production plant, the CDQ triple water-cooled casing structure has three layers, the inner and outer layers are circulating cooling water pipes, and the middle layer is the ash pipe. Its function is to separate the high temperature from the CDQ circulating gas. The red coke powder is fully cooled and discharged safely. Due to long-term exposure to high temperature, the upper part of the water-cooled casing is easily damaged and leaks, so it can only be replaced, and there is no repair condition on site. At present, most enterprises adopt a conservative approach, that is, maintain the status quo and maintain production, and then replace it after annual repairs. There are also online replacement technologies for CDQ water-cooling sleeves without seriously affect...
Claims
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IPC IPC(8): G01M3/02
CPCG01M3/02
Inventor 马尚举黄开健曹强
Owner MCC5 GROUP CORP SHANGHAI