CN204625365U - For the system that begins to rehearse of offshore platform - Google Patents
For the system that begins to rehearse of offshore platform Download PDFInfo
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- CN204625365U CN204625365U CN201520292592.9U CN201520292592U CN204625365U CN 204625365 U CN204625365 U CN 204625365U CN 201520292592 U CN201520292592 U CN 201520292592U CN 204625365 U CN204625365 U CN 204625365U
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Abstract
The utility model relates to a kind of system that begins to rehearse for offshore platform, it is characterized in that: it comprises a tank body, the waved plate of one group of vertical layout is provided with in the inside of tank body, the inside being positioned at the tank body of each waved plate side is the first space cell, and the inside being positioned at the tank body of each waved plate opposite side is second space unit.Two pipelines are connected respectively at the top of the first space cell, a sewage draining exit is offered in the funnelform bottom of the first space cell, sewage draining exit is installed a wash water valve, tank body near sewage draining exit connects a flushing line, an open-topped collection tank is provided with on the top of second space unit, collection tank connects an input terminus beginning to rehearse pump by pipeline, collection tank and the pipeline that begins to rehearse between pump are provided with a strainer, the delivery side of pump that begins to rehearse connects enclosed blowdown system or a production system by pipeline, the upflow tube that one is inverted U-shape is connected in the bottom of second space unit, the height of upflow tube is concordant with collection tank overhead height.
Description
Technical field
The utility model relates to a kind of system that begins to rehearse for offshore platform, belongs to offshore and gas development technical field.
Background technology
Open type blowdown system is one of indispensable system of offshore platform, it is mainly with collecting rainwater, sewage and sump oil that offshore platform communicates with air, these fluids are separated beginning to rehearse in tank after floor drain is collected, isolated sump oil is squeezed in enclosed blowdown system or production system by the pump that begins to rehearse, collect sewage treated reach emission standard after enter sea, to reduce the pollution to ocean environment.
In prior art, the conventional tank that begins to rehearse is generally normal pressure side's tank, and moisture sump oil carries out oily water separation by subsidence style in normal pressure side's tank, in heavy rain season, may have a large amount of fluid in short period of time and enter the tank that begins to rehearse, the therefore conventional tank that begins to rehearse is more difficult reaches predetermined separating effect.Begin to rehearse in tank when the solid impurity on offshore platform deck enters together together with rainwater or oily(waste)water, the pot bottom that begins to rehearse can be rested on by static sedimentation, the conventional tank that begins to rehearse is generally arrange certain gradient along a direction of tank body, so that removing solid impurity, but effect is poor, especially, when the tank volume that begins to rehearse is larger, substantially cannot complete and remove solid impurity online.
In addition, when offshore platform floor space is comparatively large or offshore platform their location rainfall amount is larger, usually need to design the tank and arrange the pump that begins to rehearse of huge discharge of beginning to rehearse of large-size, to meet the needs of specification, facility investment can be caused so many, and floor space is large.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide a kind of system that begins to rehearse for offshore platform, and the qualified water that can improve after the processing power of tank body, realization process is arranged sea by the mode of overflow and realizes online desanding.
For achieving the above object, the utility model takes following technical scheme: a kind of system that begins to rehearse for offshore platform, it is characterized in that: it comprises a tank body, the waved plate of one group of vertical layout is provided with in the inside of described tank body, each described waved plate is set in distance, the sidewall that waved plate described in adjacent two and described tank body are positioned at not homonymy is fixedly connected with, roundabout fluid flow paths is formed between each described waved plate, the inside being positioned at the described tank body of each described waved plate side is the first space cell, the inside being positioned at the described tank body of each described waved plate opposite side is second space unit, connect respectively at the top of described first space cell a pipeline be connected with offshore platform oil-containing region with one with the offshore platform not pipeline that is connected of oil-containing region, the bottom of described first space cell is funnel-form, a sewage draining exit is offered in the bottom of described first space cell, described sewage draining exit is installed a wash water valve, described tank body near described sewage draining exit connects a flushing line, the top of described second space unit is provided with an open-topped collection tank, described collection tank connects an input terminus beginning to rehearse pump by pipeline, described collection tank and the described pipeline begun to rehearse between pump are provided with a strainer, the described delivery side of pump that begins to rehearse connects enclosed blowdown system or a production system by pipeline, the upflow tube that one is inverted U-shape is connected in the bottom of described second space unit, the height of described upflow tube is concordant with described collection tank overhead height.
A primary heater and a secondary heater is respectively arranged with in the bottom of the inside of described collection tank and described first space cell.
Described collection tank is provided with a liquid level sensor, and described liquid level sensor is electrically connected with the described pump that begins to rehearse.
One safe vacuum pressure valves is installed at the top of described tank body.
One broken siphon vacuum pressure valves is installed on described upflow tube top.
A manhole is offered respectively in the bottom of the bottom of described first space cell and described second space unit.
The utility model is owing to taking above technical scheme, it has the following advantages: 1, the utility model is provided with a tank body, one group of waved plate is provided with in tank body, roundabout fluid flow paths is formed between each waved plate, therefore flow direction can be changed when oily water flows through waved plate, reduce level fluctuation in tank body, the inside being positioned at the tank body of this group waved plate side is the first space cell, the inside being positioned at the tank body of this group waved plate opposite side is second space unit, when oily(waste)water flows through waved plate, small profit particles coalesce is made to become larger particles, accelerate the sump oil in oily(waste)water, water is separated with solid impurity, reduce the size of tank body, improve treatment effect of the present utility model and processing power.2, the top of the utility model second space unit is provided with a collection tank, the sump oil separated can be collected, a well heater is provided with in collection tank, the moisture sump oil fluid proper flow in collection tank under cold condition can be ensured, reduce the energy expenditure of system, improve the utilization ratio of energy.3, the bottom of the utility model second space unit connects the upflow tube that is inverted U-shape, and the height of upflow tube is concordant with collection tank overhead height, underproof moisture sump oil can be avoided to overflow tank body, improve ability of disposing of sewage of the present utility model, and do not need manual operation and power operation.4, the utility model is owing to being provided with the pump that begins to rehearse, the sump oil that collection tank is collected is discharged by the pump that begins to rehearse, therefore the pump duty that begins to rehearse can design according to the volume of the sump oil amount in collection tank and collection tank, and the pump duty minimizing about 1/10th that begins to rehearse can be made, therefore the utility model can reduce facility investment, is convenient to production operation.5, be funnel-form bottom the utility model first space cell, be convenient to remove the solid impurity separated, bottom the first space cell, connect a flushing line, online sand washing can be realized.
Accompanying drawing explanation
Fig. 1 is that the utility model begins to rehearse the structural representation of system
Fig. 2 is the schematic top plan view of waved plate in Fig. 1
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figure 1, the utility model comprises a tank body 1, is provided with the waved plate 2 of one group of vertical layout in the inside of tank body 1, and this group waved plate 2 comprises the spaced waved plate of two or more.The sidewall that two adjacent waved plates and tank body 1 are positioned at not homonymy is fixedly connected with, and forms roundabout fluid flow paths (as shown in Figure 2) between each waved plate.The inside being positioned at the tank body 1 of this group waved plate 2 side is the first space cell, and the inside being positioned at the tank body 1 of this group waved plate 2 opposite side is second space unit.A pipeline 3 be connected with offshore platform hazardous area (oil-containing region) and a pipeline 4 be connected with offshore platform non-hazardous area (not oil-containing region) is connected respectively at the top of the first space cell.The bottom of the first space cell is funnel-form.Offering a sewage draining exit in the bottom of the first space cell, sewage draining exit being installed one for controlling the wash water valve 5 that solid impurity is discharged; Tank body 1 near sewage draining exit connects a flushing line 6, can be implemented in line sand washing.An open-topped collection tank 7 is provided with, for collecting the sump oil separated on the top of second space unit.Collection tank 7 connects an input terminus beginning to rehearse pump 8 by pipeline, and collection tank 7 and the pipeline that begins to rehearse between pump 8 are provided with a strainer 9.The output terminal of pump 8 of beginning to rehearse connects an enclosed blowdown system or production system (not shown) by pipeline.The upflow tube 10 that one is inverted U-shape is connected in the bottom of second space unit, process qualified fluid to be discharged from tank body 1 by the mode of gravity overflow, the height of upflow tube 10 is concordant with collection tank 7 overhead height, and underproof moisture sump oil can be avoided to overflow tank body 1.
In above-described embodiment, bottom that is inner at collection tank 7 and the first space cell is respectively arranged with a well heater 11,12, well heater 11,12 is electrically connected two temperatures sensor 13,14 respectively, control heater 11 is carried out by temperature sensor 13, the moisture sump oil fluid proper flow in collection tank 7 under cold condition can be ensured, carry out control heater 12 by temperature sensor 14, can ensure that the liquid in tank body 1 does not freeze under cryogenic.
In above-described embodiment, collection tank 7 is provided with a liquid level sensor 15, liquid level sensor 15 is electrically connected with the pump 8 that begins to rehearse.When the liquid level of sump oil in collection tank 7 is higher than setting liquid level, the pump 8 that begins to rehearse starts, pumped by the pipeline be connected with the pump 8 that begins to rehearse and be delivered to enclosed blowdown system or production system by sump oil, when the liquid level of sump oil in collection tank 5 is lower than setting liquid level, the pump 8 that begins to rehearse quits work.
In above-described embodiment, be provided with a safe vacuum pressure valves 16 at the top of tank body 1, the flammability hazard gas of volatilization in tank body 1 can be discharged by safe vacuum pressure valves 16.One broken siphon vacuum pressure valves 17 is installed on upflow tube 10 top, when the liquid level of sump oil moisture in second space unit is lower, can prevents sump oil from continuing to flow in upflow tube 10 from tank body 1.
In above-described embodiment, a manhole 18 can be offered respectively in the bottom of the bottom of the first space cell and second space unit, can convenient for maintaining time personnel to enter tank body 1 inner.
In above-described embodiment, the discharge capacity of the pump 6 that begins to rehearse can design according to the volume of the sump oil amount in collection tank 5 and collection tank 5, thus the discharge capacity of the pump 6 that can reduce to begin to rehearse.
As shown in Figure 1, during utility model works, oily(waste)water from offshore platform hazardous area (oil-containing region) and the not oily(waste)water from offshore platform non-hazardous area (not oil-containing region) are respectively by pipeline 3, 4 inside flowing to tank body 1, the oily(waste)water that above-mentioned oily(waste)water and not oily(waste)water are formed after the first space cell mixing flows in the second space unit of waved plate 2 opposite side through waved plate 2, when oily(waste)water flows through waved plate 2, contact with uneven on waved plate 2, thus change the flow state of oily(waste)water, small profit particles coalesce is made to become larger particles, thus the sump oil in acceleration oily(waste)water, water is separated with solid impurity, isolated sump oil enters collection tank 7, the sump oil that collection tank 7 is collected is delivered in enclosed blowdown system or production system by the pump 8 that begins to rehearse, qualified water after process arranges sea by upflow tube 10 in the mode of overflow, the solid impurity of sedimentation is discharged from the bottom of the first space cell.
The various embodiments described above are only for illustration of the utility model; wherein the structure, mode of connection etc. of each parts all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection domain of the present utility model.
Claims (6)
1. the system that begins to rehearse for offshore platform, it is characterized in that: it comprises a tank body, the waved plate of one group of vertical layout is provided with in the inside of described tank body, each described waved plate is set in distance, the sidewall that waved plate described in adjacent two and described tank body are positioned at not homonymy is fixedly connected with, roundabout fluid flow paths is formed between each described waved plate, the inside being positioned at the described tank body of each described waved plate side is the first space cell, the inside being positioned at the described tank body of each described waved plate opposite side is second space unit, connect respectively at the top of described first space cell a pipeline be connected with offshore platform oil-containing region with one with the offshore platform not pipeline that is connected of oil-containing region, the bottom of described first space cell is funnel-form, a sewage draining exit is offered in the bottom of described first space cell, described sewage draining exit is installed a wash water valve, described tank body near described sewage draining exit connects a flushing line, the top of described second space unit is provided with an open-topped collection tank, described collection tank connects an input terminus beginning to rehearse pump by pipeline, described collection tank and the described pipeline begun to rehearse between pump are provided with a strainer, the described delivery side of pump that begins to rehearse connects enclosed blowdown system or a production system by pipeline, the upflow tube that one is inverted U-shape is connected in the bottom of described second space unit, the height of described upflow tube is concordant with described collection tank overhead height.
2., as claimed in claim 1 for the system that begins to rehearse of offshore platform, it is characterized in that: be respectively arranged with a primary heater and a secondary heater in the bottom of the inside of described collection tank and described first space cell.
3., as claimed in claim 1 for the system that begins to rehearse of offshore platform, it is characterized in that: on described collection tank, be provided with a liquid level sensor, described liquid level sensor is electrically connected with the described pump that begins to rehearse.
4., as claimed in claim 1 for the system that begins to rehearse of offshore platform, it is characterized in that: a safe vacuum pressure valves is installed at the top of described tank body.
5. as claimed in claim 1 for the system that begins to rehearse of offshore platform, it is characterized in that: a broken siphon vacuum pressure valves is installed on described upflow tube top.
6., as claimed in claim 1 for the system that begins to rehearse of offshore platform, it is characterized in that: offer a manhole respectively in the bottom of the bottom of described first space cell and described second space unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520292592.9U CN204625365U (en) | 2015-05-07 | 2015-05-07 | For the system that begins to rehearse of offshore platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520292592.9U CN204625365U (en) | 2015-05-07 | 2015-05-07 | For the system that begins to rehearse of offshore platform |
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| CN204625365U true CN204625365U (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520292592.9U Active CN204625365U (en) | 2015-05-07 | 2015-05-07 | For the system that begins to rehearse of offshore platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828991A (en) * | 2015-05-07 | 2015-08-12 | 中国海洋石油总公司 | Discharging system for offshore platform |
| CN110155298A (en) * | 2019-05-30 | 2019-08-23 | 广船国际有限公司 | Tanker deck sump oil water recovery structure |
-
2015
- 2015-05-07 CN CN201520292592.9U patent/CN204625365U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828991A (en) * | 2015-05-07 | 2015-08-12 | 中国海洋石油总公司 | Discharging system for offshore platform |
| CN110155298A (en) * | 2019-05-30 | 2019-08-23 | 广船国际有限公司 | Tanker deck sump oil water recovery structure |
| CN110155298B (en) * | 2019-05-30 | 2021-08-17 | 广船国际有限公司 | Structure for recovering dirty oil from deck of liquid cargo ship |
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