Insulated pipe junction jacket for freezing the contents of a pipe junction and methods of using same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F25D-003/00
F25D-003/12
F25C-001/00
F25C-001/22
F16L-055/18
F16L-059/16
F28D-007/10
F16L-059/10
F25D-019/00
F16L-059/02
F16L-059/18
F16L-059/14
F28D-001/06
출원번호
US-0309137
(2011-12-01)
등록번호
US-9097378
(2015-08-04)
발명자
/ 주소
Mazzella, Carlo
출원인 / 주소
BTI Services, Inc.
대리인 / 주소
Jones Walker LLP
인용정보
피인용 횟수 :
0인용 특허 :
22
초록▼
There is a need for a flexible, insulated jacket that can be used to substantially enclose a pipe junction, then inject a cooling substance into the jacket, and thereby freeze or substantially freeze the contents of the junction. Industries conveying fluids, including fluids such as hydrocarbons, us
There is a need for a flexible, insulated jacket that can be used to substantially enclose a pipe junction, then inject a cooling substance into the jacket, and thereby freeze or substantially freeze the contents of the junction. Industries conveying fluids, including fluids such as hydrocarbons, using pipes and valves would benefit from such a jacket. The jacket is shaped to substantially enclose a pipe junction connecting two or more pipes. The jacket includes a flexible insulated body having fasteners. The jacket has an open position and a closed position. The body substantially encloses the pipe junction in the closed position. The jacket further includes at least two fluid injection valves communicated through the jacket body.
대표청구항▼
1. A method for freezing a liquid in a pipe junction connecting two or more pipes, said method comprising: a. providing a jacket comprising: i. a flexible insulated body shaped to have an open position and a closed position and the body having fasteners for retaining the body in the closed position;
1. A method for freezing a liquid in a pipe junction connecting two or more pipes, said method comprising: a. providing a jacket comprising: i. a flexible insulated body shaped to have an open position and a closed position and the body having fasteners for retaining the body in the closed position;ii. at least two fluid injection valves communicating through the jacket body; andiii. wherein the body is shaped so that the body substantially encloses the pipe junction in the closed position;b. placing the jacket around the pipe junction; andc. injecting a pressurized cooling substance through the injection valves such that the cooling substance forms in a solid state over a majority of a surface area where the jacket body covers the pipe junction. 2. The method of claim 1, wherein the fasteners include one or more of: two-piece metal snaps, opposing hook and loop sections, button/button loop arrangements, drawstring/sleeve arrangements. 3. The method of claim 1, wherein the pipe junction contains a fluid comprising a hydrocarbon at a pressure of at least 3500 psi. 4. The method of claim 3, wherein the cooling substance is liquid carbon dioxide with an injection pressure from about 1500 psi to about 2000 psi. 5. The method of claim 1, wherein the fluid injection valves are one-way valves. 6. The method of claim 5, wherein the fluid injection valves are one-way check valves. 7. The method of claim 2, wherein the pipe junction connects three or four or five pipes and the jacket is shaped to substantially enclose the pipe junction. 8. The method of claim 2, the jacket further comprising at least two additional fluid injection valves and wherein the jacket has a top side and a bottom side and the at least two injection valves are positioned on the top side and the at least two additional fluid injection valves are positioned on the bottom side. 9. The method of claim 1, wherein the at least two fluid injection valves are integrated into the jacket body. 10. The method of claim 1, wherein the jacket has a closed end and at least two flaps extending from the closed end, wherein a fastener on at least one flap is used to bring at least two flaps together and substantially enclose a mid-body area of the pipe junction. 11. The method of claim 1, further providing a substantially enclosed volume around the pipe junction and an exterior volume and, during the injecting step, the at least two fluid injection valves communicating from the exterior volume to the substantially enclosed volume. 12. The method of claim 1, wherein the jacket comprises a waterproof cloth selected from the group consisting of Rayon, Nylon, Polyparaphenylene terephthalamide, and Polyethylene terephthalate. 13. The method of claim 12, wherein the jacket is a wrap-around soft device. 14. A jacket for freezing a pipe junction connecting two or more pipes comprising: a. a flexible insulated jacket body;b. the body shaped to have an open position and a closed position and the body having fasteners for retaining the body in the closed position;c. at least two fluid injection valves communicating through the body; andd. wherein the body is shaped so that the body substantially encloses the pipe junction in the closed position. 15. The jacket of claim 14, wherein the jacket has a closed end and at least two flaps extending from the closed end, and wherein fasteners on at least one flap are capable of retaining at least two flaps together to substantially enclose the pipe junction. 16. The jacket of claim 14, wherein the pipe junction that the jacket body is shaped to substantially enclose is connected to three or four or five pipes. 17. The method of claim 1, further comprising: tying at least two drawstrings together to secure the body in the closed position. 18. The method of claim 1, wherein the cooling substance communicates through the injection valves directly onto at least a portion of the surface area where the jacket body covers the pipe junction. 19. The method of claim 1, wherein the body has a first end, a second end, and a middle section between the first end and the second end, and wherein the at least two fluid injection valves are positioned on the middle section. 20. The method of claim 1, wherein a ratio is less than or equal to 1:36 between (i) a number of the at least two fluid injection valves and (ii) a total square inches of the surface area where the jacket body covers the pipe junction.
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이 특허에 인용된 특허 (22)
Brister ; Beryle D., Apparatus for freezing a slug of liquid in a section of a large diameter fluid transmission line.
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