IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0548233
(2006-10-10)
|
등록번호 |
US-7820014
(2010-11-15)
|
발명자
/ 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
90 |
초록
▼
A decoking system that not only enables an operator to remotely switch the coke-cutting process from boring to cutting mode without removing the drill stem from the coke drum, but also to remotely determine the drill stem's mode so that efficiency, safety and convenience are not compromised, is prov
A decoking system that not only enables an operator to remotely switch the coke-cutting process from boring to cutting mode without removing the drill stem from the coke drum, but also to remotely determine the drill stem's mode so that efficiency, safety and convenience are not compromised, is provided.
대표청구항
▼
What is claimed is: 1. A system for removing coke from a coking vessel comprising: a cutting head comprising at least one boring nozzle and at least one cutting nozzle; and a rotatable boring and cutting drill stem structured to deliver high pressure fluid to the cutting head comprising: a rotatabl
What is claimed is: 1. A system for removing coke from a coking vessel comprising: a cutting head comprising at least one boring nozzle and at least one cutting nozzle; and a rotatable boring and cutting drill stem structured to deliver high pressure fluid to the cutting head comprising: a rotatable boring drill stem delivery pipe fluidly connected to the at least one boring nozzle; and a rotatable cutting drill stem delivery pipe fluidly connected to the at least one cutting nozzle, wherein the rotatable boring drill stem delivery pipe and the rotatable cutting drill stem delivery pipe are parallel and independent fluid channels. 2. The system as in claim 1, further comprising multiple cutting heads. 3. The system of claim 1, wherein the cutting head is controlled by a central processing unit. 4. The system as in claim 1, further comprising a switch valve, wherein said switch valve segregates high-pressure fluid into separate delivery pipes, wherein said delivery pipes comprise at least one delivery pipe for boring, and at least one delivery pipe for cutting, wherein said delivery pipes are structured to deliver fluid to the rotatable boring and cutting drill stem. 5. The system of claim 4, wherein the switch valve comprises a three way ball joint. 6. The system as in claim 4, further comprising at least one visual marker structured to indicate whether high pressure fluid is flowing into one of the at least one delivery pipe for cutting and the at least one delivery pipe for boring. 7. The system of claim 4, wherein said switch valve is controlled by a central processing unit. 8. The system of claim 4, wherein said switch valve and said cutting head are controlled remotely from a control room. 9. The system of claim 4, wherein the switch valve structured to be is manually actuated. 10. The system as in claim 4, further comprising an integrated boring and cutting fluid delivery pipe, which begins where said boring fluid delivery pipe and said cutting fluid delivery pipe connect and integrate. 11. The system as in claim 1, wherein the rotatable boring and cutting drill stem is structured for connection to a motor. 12. The system as in claim 4, further comprising a union, wherein said union connects the at least one delivery pipe for boring and the at least one delivery pipe for cutting to said rotatable boring and cutting drill stem. 13. The system of claim 1, wherein said fluid is water. 14. A system for removing coke from a coking vessel comprising: a cutting head comprising at least one boring nozzle and at least one cutting nozzle; a switch valve, wherein said switch valve segregates high pressure fluid into separate delivery pipes, wherein said delivery pipes comprise at least one delivery pipe for boring and at least one delivery pipe for cutting, wherein said delivery pipes are parallel and independent fluid channels; a rotatable integrated boring and cutting drill stem structured to deliver high pressure fluid to the cutting head comprising: a rotatable boring drill stem delivery pipe fluidly connected to the at least one boring nozzle; and a rotatable cutting drill stem delivery pipe fluidly connected to the at least one cutting nozzle, wherein the rotatable boring drill stem delivery pipe and the rotatable cutting drill stem delivery pipe are parallel and independent fluid channels; and a union, wherein said union connects said integrated boring and cutting fluid delivery pipe to said rotatable integrated boring and cutting drill stem. 15. A method for removing coke from a coking vessel comprising: allowing high pressure fluid to flow through a rotatable boring and cutting drill stem to a cutting head comprising a rotatable boring drill stem delivery pipe fluidly connected to at least one boring nozzle; and a rotatable cutting drill stem delivery pipe fluidly connected to at least one cutting nozzle, wherein the rotatable boring drill stem delivery pipe and the rotatable cutting drill stem delivery pipe are parallel and independent fluid channels; and ejecting high pressure fluid from one of the at the least one boring nozzle and the at least one cutting nozzle. 16. The method as in claim 15, further comprising multiple cutting heads. 17. The method of claim 15, further comprising the step of controlling the cutting head with a central processing unit. 18. The method as in claim 15, further comprising the step of segregating high-pressure fluid into separate delivery pipes with a switch valve, wherein said delivery pipes comprise at least one delivery pipe for boring and at least one delivery pipe for cutting, wherein said delivery pipes are in fluid connection with the rotatable boring and cutting drill stem. 19. The method of claim 18, wherein said switch valve comprises a three way ball joint. 20. The method as in claim 18, further comprising one or more visual markers that indicate whether high pressure fluid is flowing into one of the at least one delivery pipe for cutting and the at least one delivery pipe for boring. 21. The method of claim 18, wherein said switch valve is controlled by a central processing unit. 22. The method of claim 18, wherein said switch valve and cutting head are controlled remotely from a control room. 23. The method of claim 18, wherein the switch valve is manually actuated. 24. The method as in claim 15, further comprising the step of enabling high pressure fluid to flow into an integrated boring and cutting fluid delivery pipe, which begins where a boring fluid delivery pipe and a cutting fluid delivery pipe connect and integrate. 25. The method as in claim 24, further comprising the step of enabling high pressure fluid to flow into a union, wherein said union connects said integrated boring and cutting fluid delivery pipe to said integrated boring and cutting drill stem. 26. The method of claim 15, wherein said fluid is water. 27. A method for removing coke from a coke vessel, comprising the steps of: pressurizing fluid; enabling, via a switch valve said pressurized fluid to enter into a boring fluid delivery pipe and into a cutting fluid delivery pipe alternatively; connecting said boring fluid delivery pipe and cutting fluid delivery pipe to an upper end of a union; connecting a rotatable boring and cutting drill stem to a lower end of a union, said rotatable boring and cutting drill stem comprising a rotatable boring drill stem delivery pipe fluidly connected to the at least one boring nozzle; and a rotatable cutting drill stem delivery pipe fluidly connected to the at least one cutting nozzle, wherein the rotatable boring drill stem delivery pipe and the rotatable cutting drill stem delivery pipe are parallel and independent fluid channels; lowering said rotatable boring and cutting drill stem into a coke drum containing coke; switching said switch valve to allow said pressurized fluid to enter into said boring fluid delivery pipe through said union, then into said rotatable boring drill stem delivery pipe; ejecting high pressure fluid from the at least one nozzle dedicated to boring on a cutting head to begin boring a hole through said coke; switching said switch valve to allow said pressurized fluid to enter into said cutting fluid delivery pipe through said union, then into said rotatable cutting drill stem delivery pipe; and ejecting high pressure fluid from the at least one cutting nozzle dedicated to cutting coke on the cutting head to begin cutting said coke within said coke vessel.
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