Gas separation modules and methods for forming
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-053/22
B01D-063/02
B01D-063/04
B64D-037/32
B82Y-030/00
출원번호
US-0755656
(2013-01-31)
등록번호
US-9227160
(2016-01-05)
발명자
/ 주소
Cao, Tuan Q
출원인 / 주소
THE BOEING COMPANY
대리인 / 주소
Parsons Behle & Latimer
인용정보
피인용 횟수 :
1인용 특허 :
26
초록▼
A gas separation module includes at least one inlet port, a plurality of outlet ports, and a plurality of hollow fiber membranes. Individual fibers have a feed end and a product end with a retentate interior side and a permeate exterior side. The module includes a feed tubesheet within the shell seg
A gas separation module includes at least one inlet port, a plurality of outlet ports, and a plurality of hollow fiber membranes. Individual fibers have a feed end and a product end with a retentate interior side and a permeate exterior side. The module includes a feed tubesheet within the shell segregating the at least one inlet port and the permeate side of the fibers. The feed tubesheet includes a matrix and at least one segment joint. The segment joint separates segments of the feed tubesheet from one another. A formation method includes positioning a hollow fiber membrane material in association with at least one tubesheet segment joint and applying a matrix. The method includes forming a feed tubesheet from cured matrix and the segment joint and forming a plurality of hollow fiber membranes from the fiber material. The segment joint separates segments of the feed tubesheet from one another.
대표청구항▼
1. A gas separation module formation method comprising: positioning a hollow fiber membrane material in association with at least one tubesheet segment joint;applying a matrix to the hollow fiber membrane material and to the segment joint and curing the matrix, the at least one tubesheet segment joi
1. A gas separation module formation method comprising: positioning a hollow fiber membrane material in association with at least one tubesheet segment joint;applying a matrix to the hollow fiber membrane material and to the segment joint and curing the matrix, the at least one tubesheet segment joint containing a compliance material different from the matrix;forming a feed tubesheet from the cured matrix and the at least one tubesheet segment joint; andforming a plurality of hollow fiber membranes from the hollow fiber membrane material, individual fibers having a feed end and a product end, the cured matrix encapsulating the feed end of the fibers, the feed tubesheet securing the feed end of the fibers, and the at least one tubesheet segment joint separating a plurality of segments of the feed tubesheet from one another; andapplying a thermoplastic veil between layers of the plurality of hollow fiber membranes, the thermoplastic veil containing a material different from the matrix and increasing toughness of the feed tubesheet. 2. The method of claim 1 further comprising: applying additional matrix to the hollow fiber membrane material and to at least one other tubesheet segment joint and curing the additional matrix, the at least one other segment joint containing a compliance material different from the additional matrix; andforming a product tubesheet from the cured additional matrix and the at least one other tubesheet segment joint, the cured additional matrix encapsulating the product end of the fibers, the product tubesheet securing the product end of the fibers, and the at least one other segment joint separating a plurality of segments of the product tubesheet from one another. 3. The method of claim 1 wherein applying the matrix comprises applying a matrix film, a liquid resin, or a combination thereof. 4. The method of claim 1 further comprising, prior to applying the thermoplastic veil, preparing a veil assembly by mounting a matrix film as the matrix on the thermoplastic veil. 5. The method of claim 1 wherein the at least one tubesheet segment joint is attached to a support and positioning the hollow fiber membrane material comprises winding the hollow fiber membrane material onto the support. 6. The method of claim 1 wherein forming the feed tubesheet and forming the plurality of hollow fiber membranes comprises machining the cured matrix and the hollow fiber membrane material and opening the feed end of the fibers. 7. The method of claim 1 wherein the matrix further comprises nanosilica particles. 8. A gas separation module formation method comprising: positioning a hollow fiber membrane material in association with at least one tubesheet segment joint;applying a matrix to the hollow fiber membrane material and to the segment joint and curing the matrix, the at least one tubesheet segment joint containing a compliance material different from the matrix;forming a feed tubesheet from the cured matrix and the at least one tubesheet segment joint; andforming a plurality of hollow fiber membranes from the hollow fiber membrane material, individual fibers having a feed end and a product end, the cured matrix encapsulating the feed end of the fibers, the feed tubesheet securing the feed end of the fibers, and the at least one tubesheet segment joint separating a plurality of segments of the feed tubesheet from one another, wherein the compliance material is configured to allow expansion and contraction of the plurality of segments in a circumferential direction and wherein positioning the hollow fiber membrane material in association with the at least one tubesheet segment joint comprises machining at least one slot in the cured matrix and inserting the at least one tubesheet segment joint in the at least one slot in association with the hollow fiber membrane material. 9. The method of claim 8 wherein the matrix further comprises nanosilica particles. 10. The method of claim 8 wherein the at least one tubesheet segment joint is attached to a support and positioning the hollow fiber membrane material comprises winding the hollow fiber membrane material onto the support. 11. A gas separation module formation method comprising: positioning a hollow fiber membrane material in association with at least one tubesheet segment joint;applying a matrix to the hollow fiber membrane material and to the at least one tubesheet segment joint, the matrix containing an adhesive or a resin or both and the at least one tubesheet segment joint containing a compliance material different from the matrix;placing the at least one tubesheet segment joint, a portion of the hollow fiber membrane material, and the matrix in a mold;applying pressure to the hollow fiber membrane material and the at least one tubesheet segment joint in a radial direction;while applying the pressure and additionally applying heat, curing the matrix in the mold;machining the cured matrix and the hollow fiber membrane material;forming a feed tubesheet from the machined, cured matrix and the at least one tubesheet segment joint;forming a plurality of hollow fiber membranes from the hollow fiber membrane material, individual fibers having a feed end and a product end, and opening the feed end of the fibers, the cured matrix encapsulating the feed end of the fibers, the feed tubesheet securing the feed end of the fibers, and the at least one tubesheet segment joint separating a plurality of segments of the feed tubesheet from one another; andforming a rim containing the matrix around the feed tubesheet. 12. The method of claim 11 further comprising mounting a resin film as the matrix on a thermoplastic veil and applying the thermoplastic veil and the resin film between layers of the plurality of hollow fiber membranes, the thermoplastic veil containing a material different from the matrix and increasing toughness of the feed tubesheet. 13. The method of claim 11 wherein positioning the hollow fiber membrane material comprises winding the hollow fiber membrane material onto a cylindrical support and the feed tubesheet has a circular perimeter. 14. The method of claim 11 wherein positioning the hollow fiber membrane material comprises winding the hollow fiber membrane material onto a support including a column with a rectangular cross-section and the feed tubesheet has a rectangular perimeter. 15. The method of claim 11 wherein forming the feed tubesheet comprises stacking a plurality of segments of a feed tubesheet, each segment having a rectangular perimeter, with the at least one tubesheet segment joint between the plurality of segments. 16. The method of claim 11 wherein the matrix further comprises nanosilica particles and the rim further comprises carbon fibers or nano-silica particles or both structurally reinforcing the rim.
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