CN113650773A - A New Design of Outward Transport of Different Mediums in Large Sewage Tanks - Google Patents
A New Design of Outward Transport of Different Mediums in Large Sewage Tanks Download PDFInfo
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- CN113650773A CN113650773A CN202110821518.1A CN202110821518A CN113650773A CN 113650773 A CN113650773 A CN 113650773A CN 202110821518 A CN202110821518 A CN 202110821518A CN 113650773 A CN113650773 A CN 113650773A
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- 239000010865 sewage Substances 0.000 title claims abstract description 36
- 238000013461 design Methods 0.000 title claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 238000007654 immersion Methods 0.000 claims description 19
- 238000012546 transfer Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 239000010779 crude oil Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J4/00—Arrangements of installations for treating ballast water, waste water, sewage, sludge, or refuse, or for preventing environmental pollution not otherwise provided for
- B63J4/006—Arrangements of installations for treating ballast water, waste water, sewage, sludge, or refuse, or for preventing environmental pollution not otherwise provided for for treating waste water or sewage
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- Engineering & Computer Science (AREA)
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- Environmental & Geological Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Toxicology (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Sewage (AREA)
Abstract
本发明涉及各浮式装置、船舶技术领域，且公开了一种大型污水舱不同介质外输的新型设计，采用一台浸没泵实现舱内不同介质分别外输至不同处理系统的功能，可用于浮式平台的大型污水舱的外输工况，尤其适用于深水浮式生产平台。此发明包括设置一台浸没式输送泵，用于输送不同密度的介质；设置三条泵吸入管线，每条管线的开口设置在不同的液位高度；在每条泵吸入口管线上分别设置遥控阀门，且阀门位置靠近泵入口管汇；在每条泵吸入口管线端部设置专用吸口，扩大管线吸入面积，保障介质平稳吸入；各吸入口管线上的遥控阀门设置联动逻辑保障同一工况时仅允许打开一个吸入口管线的阀门，避免误操作导致泵体损坏，整体设计操作简便，可靠性高。
The invention relates to the technical fields of various floating devices and ships, and discloses a new design for the export of different media in a large sewage tank. A submerged pump is used to realize the function of transporting different media in the tank to different treatment systems respectively, which can be used for It is especially suitable for deep water floating production platforms for the external transport conditions of large sewage tanks of floating platforms. The invention includes setting up a submerged conveying pump for conveying media of different densities; setting up three pump suction pipelines, and the openings of each pipeline are set at different liquid level heights; setting remote control valves on each pump suction pipeline , and the valve position is close to the pump inlet manifold; a special suction port is set at the end of each pump suction port pipeline to expand the suction area of the pipeline and ensure the smooth suction of the medium; the remote control valve on each suction port pipeline is set with linkage logic It is allowed to open a valve of the suction line to avoid damage to the pump body caused by misoperation. The overall design is easy to operate and has high reliability.
Description
Technical Field
The invention relates to the technical field of various floating devices and ships, in particular to a novel design for outputting different media of a large-scale sewage tank.
Background
At present, the volume of a sump oil water tank of a conventional floating platform can reach hundreds of square, the liquid level span in the tank is large, and in order to respectively convey sump oil and sewage in the sewage tank of the floating platform to different treatment systems, two submerged pumps are usually arranged in the tank, wherein one submerged pump is used for conveying sump oil, and the other submerged pump is used for conveying sewage. Each pump is provided with a single inlet pipeline, and the height of the suction inlet inserted into the liquid level is fixed. When the amount of the sewage oil or the amount of the sewage water is large, an operator judges to start the sewage oil pump or the sewage water pump according to the liquid level condition to convey the corresponding medium to the corresponding treatment system.
For a large-scale sewage tank, the operation mode that two pumps are arranged and suction ports are fixed has the following problems:
1. the liquid level span of the suction inlet is large, and the output medium is unstable under the condition that the oil storage amount of the sewage tank is not fixed, so that oil and water are mixed, and the subsequent treatment difficulty is increased;
2. two pumps are arranged in the tank, so that the cost of equipment design, production, construction, maintenance and the like is increased.
3. Offshore oil continuously advances to deep water, requirements of deep water floating type oil storage platforms on heavy control and ship body safety are higher and higher, and the heavy control of the deep water floating type platforms and the structural strength of cabin bodies are adversely affected by the outward transportation design of the existing conventional floating type production platform sewage tanks.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a novel design for outputting different media of a large-scale sewage tank, so that the equipment is not damaged, and the production and the operation are stable; the invention realizes the function that different media in the cabin are respectively output to different treatment systems by adopting one immersion pump, thereby effectively solving the problems in the prior art.
In order to achieve the novel design purpose of the external output of different media of the large-scale sewage tank, the invention provides the following technical scheme: the utility model provides a novel design of different medium outward transport of large-scale bilge water sump, is including the submergence formula delivery pump that is used for carrying the medium of different density, the entry of submergence formula delivery pump is provided with the feed liquor manifold, feed liquor manifold upper reaches are provided with many suction lines, many suction lines include entry pipeline one, entry pipeline two, entry pipeline three, the tip of many suction lines is provided with special suction inlet respectively, special suction inlet includes special entry one, special entry two, special entry three, the export of submergence formula delivery pump is provided with submergence pump outward transport manifold, submergence pump outward transport manifold lower reaches are provided with many outward transport pipelines, many outward transport pipelines include submergence pump outward transport pipeline one and submergence pump outward transport pipeline two, be provided with remote control valve respectively on many suction lines and many outward transport pipelines, remote control valve includes three remote control valves, The remote control valve I and the remote control valve II are connected with the remote control valve I and the remote control valve II respectively.
Preferably, the submerged delivery pump is hydraulically driven.
Preferably, each suction pipeline of the plurality of suction pipelines is converged into the liquid inlet manifold, one suction opening of the plurality of suction pipelines faces downwards and is used for transporting sewage at the bottom of the cabin, and the two suction openings face upwards and are different in height.
Preferably, a dedicated suction port is provided at an end of each of the plurality of suction lines, and a suction port area of the dedicated suction port is larger than a cross-sectional area of the line.
Preferably, the mounting positions of the remote control valve III, the remote control valve IV and the remote control valve V are close to a confluence point of the liquid inlet manifold.
Preferably, the remote control valve sets linkage logic in central control, and is linked and interlocked with the start-stop signal of the submerged delivery pump, namely when the submerged delivery pump stops working, the remote control valve keeps a closed state, and when the submerged delivery pump runs, only one pump inlet valve and one valve on the pump output pipeline can be allowed to be in an open state.
Compared with the prior art, the invention provides a novel design for outputting different media of a large-scale sewage tank, and the novel design has the following beneficial effects:
1. according to the novel design for the outward transportation of different media of the large-scale sewage tank, only one immersion pump is adopted to replace two conventional immersion pumps;
2. according to the novel design of the large-scale sewage tank for outputting different media, the suction pipelines at the pump inlets are arranged at different heights, and an operator can manually open/close the valves of the corresponding suction pipelines and output pipelines after judging according to the monitored dirty oil/sewage interface, so that the operation is flexible;
3. according to the novel design of different medium output of the large-scale sewage tank, linkage interlocking logic exists between a remote control valve on a pump suction pipeline and an immersion pump, so that cavitation caused by suction gas at the pump is avoided;
4. this novel design of different medium exports of large-scale bilge water sump, the logic of the linkage interlocking that exists between the remote control valve on the pump export pipeline and the immersion pump avoids the under-deck medium to be exported simultaneously and is gone to two processing systems, avoids the low reaches to handle nonconformity.
Drawings
Fig. 1 is a schematic diagram of a novel design flow of an inlet of an internal and external delivery pump of a large-scale storage tank.
In the figure: 1. a special inlet I; 2. a special inlet II; 3. a special inlet III; 4. an inlet line I; 5. an inlet line II; 6. an inlet line three; 7. a liquid inlet manifold; 8. remotely controlling the valve III; 9. remotely controlling the valve four; 10. a fifth remote control valve; 11. a submerged transfer pump; 12. remotely controlling the valve I; 13. remotely controlling the valve II; 14. a first immersed pump output pipeline; 15. a second immersed pump output pipeline; 16. submerging the pump export manifold.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a novel design of a large-scale sewage tank for transporting different media outside includes an immersion type delivery pump 11 for transporting media with different densities, an inlet of the immersion type delivery pump 11 is provided with a liquid inlet manifold 7, a plurality of suction pipelines are arranged on the upstream of the liquid inlet manifold 7, the plurality of suction pipelines include an inlet pipeline I4, an inlet pipeline II 5 and an inlet pipeline III 6, the end portions of the plurality of suction pipelines are respectively provided with a special suction port, the special suction port includes a special inlet I1, a special inlet II 2 and a special inlet III 3, an outlet of the immersion type delivery pump 11 is provided with an immersion pump outside delivery manifold 16, a plurality of outside delivery pipelines are arranged on the downstream of the immersion pump outside delivery manifold 16, the plurality of outside delivery pipelines include an immersion pump outside delivery pipeline I14 and an immersion pump outside delivery pipeline II 15, the plurality of suction pipelines and the plurality of outside delivery pipelines are respectively provided with remote control valves, the remote control valves include a remote control valve III 8, a remote control valve III, A remote control valve IV 9, a remote control valve V10, a remote control valve I12 and a remote control valve II 13.
In conclusion, the submerged delivery pump 11 is driven by hydraulic pressure, and only one submerged pump is adopted to replace two conventional submerged pumps; each suction pipeline of the plurality of suction pipelines is converged into a liquid inlet manifold 7, one or more suction ports of the plurality of suction pipelines face downwards and are used for transporting sewage at the bottom of the external transportation cabin, and two or more suction ports face upwards and are different in height and are used for transporting the sump oil at different liquid levels in the external transportation cabin; the end part of each suction pipeline of the plurality of suction pipelines is provided with a special suction port, the area of the suction port of the special suction port is larger than the cross section area of the pipeline, the suction area of the pipeline is enlarged, and the medium is ensured to be sucked stably; the mounting positions of the remote control valve III 8, the remote control valve IV 9 and the remote control valve V10 are close to a junction point of the liquid inlet manifold 7, the remote control valves are provided with linkage logic in central control and are linked and interlocked with start and stop signals of the immersed delivery pump 11, namely, when the immersed delivery pump 11 stops working, the remote control valves are kept in a closed state, when the immersed delivery pump 11 runs, only one pump inlet valve and one valve on a pump output pipeline can be allowed to be in an open state, the pump body damage caused by misoperation is avoided, the overall design is simple and convenient to operate, and the reliability is high.
The working use process and the installation method of the invention are that when the novel design of the large-scale sewage tank for the outward transportation of different media is used, the remote control valve III 8, the remote control valve IV 9 and the remote control valve V10 are as close as possible to the pump liquid inlet manifold, when an operator determines that the liquid level in the tank is higher than the height of the special inlet I1, dirty oil with lower density in the tank needs to be conveyed to a crude oil processing system for processing, the operator opens the remote control valve 1 on the outlet immersion pump outward transportation pipeline I14, at the moment, according to linkage logic, the pump inlet pipeline II 5, the remote control valve IV 9 on the pump inlet pipeline III 6, the remote control valve V10 is closed, the remote control valve III 8 on the pump inlet pipeline I4 is opened, and the immersion pump 11 is opened. When an operator determines that the liquid level in the tank is lower than the first special inlet 1 and higher than the second special inlet 2, dirty oil with lower density in the tank needs to be conveyed to a crude oil processing system for processing, the operator opens the first remote control valve 12 on the first outlet submerged pump external transmission pipeline 14, and at the moment, according to linkage logic, the first pump inlet pipeline 4, the third remote control valve 8 on the third pump inlet pipeline 6, the fifth remote control valve 10 are closed, the fourth remote control valve 9 on the second pump inlet pipeline 5 is opened, and the submerged pump 11 is opened. When an operator determines that the liquid level in the tank is lower than the second special inlet 2, the sewage with higher density in the tank needs to be conveyed to a production water system for treatment, the operator opens the second remote control valve 13 on the second outlet submerged pump external conveying pipeline 15, at the moment, according to linkage logic, the first pump inlet pipeline 4, the third remote control valve 8 on the second pump inlet pipeline 5, the fourth remote control valve 9 are closed, the fifth remote control valve 10 on the pump inlet pipeline is opened, and the submerged pump 11 is opened.
The novel design for outputting different media of the large-scale sewage tank only adopts one immersion pump to replace two conventional immersion pumps. The suction pipelines at the pump inlets are arranged at different heights, and operators can manually open/close the valves of the corresponding suction pipelines and output pipelines after judging according to the monitored dirty oil/sewage interfaces, so that the operation is flexible; the logic of linkage interlocking between a remote control valve on a pump suction pipeline and an immersion pump avoids cavitation caused by sucking gas out of the pump; the logic of linkage interlocking between the remote control valve on the pump outlet pipeline and the immersion pump prevents the medium in the cabin from being simultaneously conveyed to two processing systems and prevents unqualified downstream processing.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110821518.1A CN113650773B (en) | 2021-07-20 | 2021-07-20 | A device for transporting different media from large sewage tanks |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110821518.1A CN113650773B (en) | 2021-07-20 | 2021-07-20 | A device for transporting different media from large sewage tanks |
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| CN113650773A true CN113650773A (en) | 2021-11-16 |
| CN113650773B CN113650773B (en) | 2024-12-06 |
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| CN202110821518.1A Active CN113650773B (en) | 2021-07-20 | 2021-07-20 | A device for transporting different media from large sewage tanks |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2750452A1 (en) * | 1976-11-18 | 1978-05-24 | British Petroleum Co | METHOD AND DEVICE FOR TREATMENT OF ALTOEL |
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| US20040050407A1 (en) * | 2002-07-19 | 2004-03-18 | Royal Jones | Apparatus for the automatic cleaning of liquid storage tanks |
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| CN103912245A (en) * | 2012-08-07 | 2014-07-09 | 中国海洋石油总公司 | Deepwater drilling production vertical oil storage platform and operating method thereof |
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-
2021
- 2021-07-20 CN CN202110821518.1A patent/CN113650773B/en active Active
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| US20040050407A1 (en) * | 2002-07-19 | 2004-03-18 | Royal Jones | Apparatus for the automatic cleaning of liquid storage tanks |
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| CN113650773B (en) | 2024-12-06 |
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