Inspection and repair method for hollow fiber membrane module
A fiber membrane, hollow technology, applied in the field of membrane module preparation, to achieve broad market application prospects, low basic investment, and simplified inspection process
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Embodiment 1
[0040] An inspection method for the hollow fiber membrane module 101 provided in this embodiment is specifically as follows: For the unused hollow fiber columnar membrane module to be inspected, the following method is adopted to perform the inspection operation, such as figure 1 Shown: Follow the steps below, step A, place the hollow fiber columnar membrane module at an angle of 30° to the horizontal direction, it should be pointed out that the placement angle of the hollow fiber columnar membrane module here can be 0 Set between -90°; the membrane module reserves an air inlet 106, and the remaining side ports are sealed with sealing fittings; step B, use a scraper to evenly press the calcium carbonate solid powder (leak detection agent) into the end surface 107 to be tested , the scraper scrapes off the excess calcium carbonate solid powder so as to expose the end face 107 to be tested; step C, inject compressed air 105 into the air inlet 106, and then use a repair nail to co...
Embodiment 2
[0043] For the unused hollow fiber curtain membrane components to be inspected, the following methods are adopted for inspection operations, such as figure 2As shown: follow the steps below: step A, put the hollow fiber curtain membrane module 103 into the matching curtain membrane sealing shell 104, and place the module to be tested at an angle of 30° to the horizontal direction; it should be pointed out that this The placement angle of the hollow fiber column membrane module at the location can be set between 0-90° from the horizontal direction. Step B, use a scraper to uniformly press calcium carbonate solid powder onto the end face 107 to be tested, scrape off excess calcium carbonate so as to expose the end face 107 to be tested; Step C, inject compressed air 105 into the air inlet 106, and then use a repair nail to The membrane hole 102 where the calcium carbonate solid powder is detached completes the plugging operation, and records the number of membrane holes 102 tha...
Embodiment 3
[0046] For the used hollow fiber column membrane components to be inspected, the following methods are adopted for inspection operations, such as figure 1 Shown: Follow the steps below, step A, place the hollow fiber columnar membrane module at an angle of 30° to the horizontal direction, it should be pointed out that the placement angle of the hollow fiber columnar membrane module here can be 0 Set between -90°. An air inlet 106 is reserved for the hollow fiber membrane module 101, and the remaining side ports are sealed with sealing fittings; step B, use a scraper to evenly press the calcium carbonate paste leak detector into the end face 107 to be tested, and scrape off the excess calcium carbonate to facilitate Expose the end face to be inspected; step C, inject compressed air 105 into the air inlet 106, and then use a repair nail to complete the plugging operation on the membrane hole 102 where the calcium carbonate is detached, and record the number of inspection problem...
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