CN219689402U - Liquid inlet device of seawater deoxidization treatment equipment of FPSO - Google Patents
Liquid inlet device of seawater deoxidization treatment equipment of FPSO Download PDFInfo
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- CN219689402U CN219689402U CN202320113736.4U CN202320113736U CN219689402U CN 219689402 U CN219689402 U CN 219689402U CN 202320113736 U CN202320113736 U CN 202320113736U CN 219689402 U CN219689402 U CN 219689402U
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- liquid inlet
- seawater
- valve core
- wall
- deoxidizing
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- 239000007788 liquid Substances 0.000 title claims abstract description 94
- 239000013535 sea water Substances 0.000 title claims abstract description 59
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000007667 floating Methods 0.000 claims abstract description 4
- 230000007704 transition Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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- Removal Of Specific Substances (AREA)
Abstract
The utility model discloses a liquid inlet device of a seawater deoxidization treatment device of an FPSO (floating gate storage and offloading), which comprises a liquid inlet funnel, a lower bottom tube and a valve core device, wherein the liquid inlet funnel and the lower bottom tube are fixed on the outer wall of the seawater deoxidization device, the middle part of the valve core device is used for performing function switching and flow regulation, the upper end of the liquid inlet funnel is matched with a liquid inlet cover, the valve core device comprises an electro-hydraulic push rod, an upper valve core, a lower valve core and a spring device, and rubber sealing rings are arranged between the liquid inlet funnel and the outer wall of the seawater deoxidization device, and between the upper valve core and the lower valve core and between the upper valve core and the outer wall of the seawater deoxidization device. The device is provided with the vertical funnel-shaped liquid inlet pipe, so that liquid inlet is smoother, and no liquid residue is ensured in the liquid inlet pipe; controlling the valve core device to move up and down so as to change the size of the liquid inlet channel and control the liquid flow rate; the valve core device is centralized in function switching and flow speed adjustment for adjusting, so that the whole liquid inlet is more stable, and the sealing performance is better.
Description
Technical Field
The utility model relates to a liquid inlet device of novel seawater deoxidization treatment equipment of an FPSO (floating gate storage and offloading), in particular to the function switching and flow adjustment concentration of the liquid inlet of the novel seawater deoxidization treatment equipment of the FPSO.
Background
Through research and development of novel seawater deoxidization treatment equipment for the FPSO, the oxygen content in seawater can be reduced, the corrosion of pipelines can be reduced, and the selection of a seawater system is more flexible. For seawater deoxidization treatment, excessive liquid inlet amount or failure to close the liquid inlet in time after the reaction is finished can lead to insufficient deoxidization or gas leakage, so that the key technology of seawater deoxidization treatment is to control the liquid inlet amount and close the liquid inlet in time. However, the reliability of the liquid inlet device of the domestic deoxidizing device is generally poor, the device is complex and the sealing performance is poor, so that the liquid inlet device which is applicable to the seawater deoxidizing device and has simple structure, stability and high efficiency is required to be arranged.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a liquid inlet device of a seawater deoxidization treatment device of an FPSO, so that the flow and the flow velocity can be efficiently and stably adjusted in the liquid inlet process.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model relates to a liquid inlet device of a seawater deoxidization treatment device of an FPSO (floating gate storage and offloading), which comprises liquid inlet funnels respectively arranged at an inlet at the upper part of the seawater deoxidization device, wherein a necking pipe ring at the bottom of the liquid inlet funnels is fixed on the outer wall of the inlet at the upper part of the seawater deoxidization device, a liquid inlet cover is fixed at the inlet end at the upper part of the liquid inlet funnels, and a liquid inlet is formed in the liquid inlet cover;
the lower bottom pipe is of an inverted T-shaped structure, a horizontal bottom plate of the lower bottom pipe is fixedly connected with the bottom wall of the seawater deoxidizing device, a pair of lower liquid holes are formed in the horizontal bottom plate which is arranged opposite to a liquid inlet cavity of the seawater deoxidizing device, the vertical part of the lower bottom pipe is of a cylindrical structure and is arranged in the liquid inlet cavity of the seawater deoxidizing device, valve core devices are arranged in a liquid inlet funnel and a shell of the seawater deoxidizing device, each valve core device comprises an electro-hydraulic push rod, an upper valve core, a lower valve core and a spring device which are coaxially arranged in sequence from top to bottom, each spring device comprises a spring and an upper transition disc and a lower transition disc which are arranged in the cylindrical structure, the bottom of each spring is welded with the lower transition disc, the top of each lower transition disc is fixedly connected with the bottom of the upper transition disc, each lower valve core comprises a lower valve body and a top wall of the lower valve body, each threaded rod is arranged in the shell of the electro-hydraulic push rod, the upper part of each threaded rod is connected with a threaded hole formed in the middle of the upper bottom of the valve body, and a plug is fixedly connected with a threaded cover of the push rod in the middle of the push rod; the bottom of the upper valve core is provided with a necking ring table, the neck ring table consists of a cylindrical ring table and a conical ring table which are connected up and down, a conical hole section is formed in the inner wall of the upper part of the upper inlet of the seawater deoxidizing device, a shaft shoulder at the necking ring table of the upper valve core can be tightly pressed against the top of the upper inlet of the seawater deoxidizing device, and the conical ring table is matched with the conical hole section in shape, so that the neck ring table and the conical hole section can be tightly contacted. The upper outer wall of the lower valve body is arranged into an upper circular frustum-shaped structure, the lower inner wall of the upper inlet of the seawater deoxidizing device is arranged into a lower circular frustum-shaped structure, and the upper circular frustum-shaped structure and the lower circular frustum-shaped structure are identical in shape and can be in compression fit.
The beneficial effects of the utility model are as follows:
according to the device, liquid can be fed more smoothly through the vertical funnel-shaped liquid feeding pipe, and no liquid residue in the liquid feeding pipe is ensured; the size of the liquid inlet channel opening is changed through the up-and-down movement of the valve core device, so that the liquid flow rate of the liquid inlet is well controlled; the valve core device is centralized in function switching and flow speed adjustment for adjusting, so that the whole liquid inlet is more stable, and the sealing performance is better.
Drawings
FIG. 1 is a sectional view of a liquid inlet means of a seawater deoxidizing treatment facility of the FPSO of the present utility model.
Detailed Description
The utility model is further described in connection with the following detailed description.
As shown in fig. 1, the liquid inlet device of the seawater deoxidization treatment equipment of the FPSO comprises liquid inlet funnels 6 respectively arranged at the inlet of the upper part of the seawater deoxidization equipment 7, wherein the bottom necking pipe rings of the liquid inlet funnels 6 are fixed (connected through threads) on the outer wall of the inlet of the upper part of the seawater deoxidization equipment 7, a liquid inlet cover 1 is fixed at the inlet end of the upper part of the liquid inlet funnels, a liquid inlet is formed in the liquid inlet cover 1, and seawater to be deoxidized enters the liquid inlet device through the liquid inlet.
The lower bottom pipe 8 is of an inverted T-shaped structure, a horizontal bottom plate of the lower bottom pipe 8 is fixedly connected with the bottom wall of the seawater deoxidizing device 7, a pair of lower liquid holes are formed in the horizontal bottom plate which is arranged opposite to the liquid inlet cavity of the seawater deoxidizing device 7, and seawater to be deoxidized is discharged from the lower liquid holes to carry out subsequent deoxidizing reaction. The vertical part of the lower bottom pipe 8 is of a cylindrical structure and is arranged in the liquid inlet cavity of the seawater deoxidizing device 7. The arrow direction in the figure is the flow direction of the liquid.
The valve core device is arranged in a shell of the liquid inlet funnel 6 and the seawater deoxidizing device 7 and comprises an electro-hydraulic push rod 2, an upper valve core 3, a lower valve core 4 and a spring device 9 which are coaxially arranged from top to bottom in sequence, the spring device 9 comprises a spring arranged in a cylindrical structure and an upper transition disc and a lower transition disc, the bottom of the spring is welded with the lower transition disc, the lower transition disc is fixedly connected with the bottom wall in the cylindrical structure, the top of the spring is welded with the bottom of the upper transition disc, the top of the upper transition disc is fixedly connected with the bottom of the lower valve core 4, the lower valve core 4 comprises a lower valve body and a threaded rod with the bottom fixed on the top wall of the lower valve body, the upper part of the threaded rod is in threaded connection with a threaded hole in the middle of the bottom of the upper valve core 3, preferably, the outer wall of the lower valve core 4 is provided with a positioning shaft shoulder, the positioning shaft shoulder can be tightly arranged on the bottom wall of an inlet at the upper part of the seawater deoxidizing device 7 so as to ensure the screw-in length, a seat of the electro-hydraulic push rod is inserted in a hole in the middle of the liquid inlet cover 1 and is fixedly connected with the bottom of the upper valve core 3, and the upper valve core can be integrally connected with the push rod.
The bottom of the upper valve core 3 is provided with a neck ring table, the neck ring table consists of a cylindrical ring table and a conical ring table which are connected up and down, a conical hole section is arranged on the inner wall of the upper part of the upper inlet of the seawater deoxidizing device 7, a shaft shoulder at the neck ring table of the upper valve core 3 can be tightly pressed against the top of the upper inlet of the seawater deoxidizing device 7, and the conical ring table is matched with the conical hole section in shape, so that the two can be tightly contacted. The upper outer wall of the lower valve body is arranged into an upper circular frustum-shaped structure, the lower inner wall of the upper inlet of the seawater deoxidizing device 7 is arranged into a lower circular frustum-shaped structure, and the upper circular frustum-shaped structure and the lower circular frustum-shaped structure are identical in shape and can be in compression fit.
Preferably, a sealing gasket 5 is arranged between the upper valve core 3 and the upper inlet contact part of the seawater deoxidizing device 7, between the inner wall of the bottom of the liquid inlet funnel 6 and the connecting part outside the top of the seawater deoxidizing device 7, between the contact parts of the upper circular frustum-shaped structure and the lower circular frustum-shaped structure in a press fit manner, and between the contact parts of the lower valve body of the lower valve core 4 and the inner wall of the cylindrical structure.
The using process method of the device comprises the following steps:
when liquid is fed, liquid is injected into the liquid inlet funnel from the liquid inlet, the electro-hydraulic push rod controls the valve core device to move upwards to the upper limit position, the liquid inlet pipe is communicated, the liquid enters the liquid inlet funnel through the liquid inlet and flows into the liquid inlet cavity of the seawater deoxidizing equipment, and deoxidizing reaction is carried out in the area below the liquid inlet equipment through the liquid outlet; when the flow rate is regulated, the electro-hydraulic push rod controls the valve core device to move to a certain height, so that the vertical distance at the position of the liquid inlet pipe orifice channel is controlled, and the flow rate is controlled; when liquid feeding stops, the electro-hydraulic push rod controls the valve core device to move downwards to the lower limit position of the top of the upper inlet of the seawater deoxidizing device 7 by pressing the shoulder at the necking ring table of the upper valve core 3, liquid cannot flow into the lower area of the liquid feeding device through the liquid discharging hole to perform deoxidization reaction, and meanwhile, the gas in the box body cannot leak into the liquid feeding funnel due to the double sealing rings between the upper valve core 3 and the upper inlet contact part of the seawater deoxidizing device 7, so that the error of the gas-liquid ratio of the next reaction is avoided.
Claims (3)
1. A liquid inlet device of a seawater deoxidization treatment device of an FPSO (Floating production storage and offloading) is characterized in that: the device comprises a liquid inlet funnel (6) which is respectively arranged at an inlet at the upper part of a seawater deoxidizing device (7), wherein a necking pipe ring at the bottom of the liquid inlet funnel (6) is sleeved and fixed on the outer wall of the inlet at the upper part of the seawater deoxidizing device, a liquid inlet cover (1) is fixed at the inlet end at the upper part of the liquid inlet funnel, and a liquid inlet is formed in the liquid inlet cover;
the lower bottom pipe (8) is of an inverted T-shaped structure, a horizontal bottom plate of the lower bottom pipe is fixedly connected with the bottom wall of the seawater deoxidizing device, a pair of lower liquid holes are formed in the horizontal bottom plate which is arranged opposite to a liquid inlet cavity of the seawater deoxidizing device, the vertical part of the lower bottom pipe (8) is of a cylindrical structure and is arranged in a liquid inlet cavity of the seawater deoxidizing device (7), valve core devices are arranged in a shell of a liquid inlet funnel and the seawater deoxidizing device (7), each valve core device comprises an electro-hydraulic push rod (2), an upper valve core (3), a lower valve core (4) and a spring device (9) which are coaxially arranged from top to bottom in sequence, each spring device comprises a spring and an upper transition disc and a lower transition disc which are arranged in the cylindrical structure, the bottom of each spring is fixedly connected with the bottom wall in the cylindrical structure, the top of each spring is welded with the bottom of the upper transition disc, the top of each upper transition disc is fixedly connected with the bottom of the lower transition disc, each lower valve core comprises a lower part and an electro-hydraulic threaded rod (3) which is fixedly connected with the top wall of the valve body through a threaded rod, and a threaded rod is fixedly connected with the top wall of the valve body through a threaded rod seat in the middle of the push rod; the bottom of the upper valve core is provided with a necking ring table, the neck ring table consists of a cylindrical ring table and a conical ring table which are connected up and down, a conical hole section is arranged on the inner wall of the upper part of the upper inlet of the seawater deoxidizing device, a shaft shoulder at the necking ring table of the upper valve core (3) can be pressed against the top of the upper inlet of the seawater deoxidizing device, and the conical ring table is matched with the conical hole section in shape, so that the two parts can be pressed and contacted; the upper outer wall of the lower valve body is arranged into an upper circular frustum-shaped structure, the lower inner wall of the upper inlet of the seawater deoxidizing device is arranged into a lower circular frustum-shaped structure, and the upper circular frustum-shaped structure and the lower circular frustum-shaped structure are identical in shape and can be in compression fit.
2. The liquid inlet device of a seawater deoxidizing treatment facility of FPSO according to claim 1: the method is characterized in that: sealing gaskets are arranged between the upper valve core and the upper inlet contact part of the seawater deoxidizing device, between the inner wall of the bottom of the liquid inlet funnel (6) and the connecting part outside the top of the seawater deoxidizing device, between the contact parts of the upper circular frustum-shaped structure and the lower circular frustum-shaped structure in a press fit manner, and between the contact parts of the lower valve body of the lower valve core and the inner wall of the cylindrical structure.
3. The liquid inlet device of a seawater deoxidizing treatment plant of an FPSO according to claim 1 or 2: the method is characterized in that: the outer wall of the lower valve core is provided with a positioning shaft shoulder which can be tightly pressed on the bottom wall of the inlet at the upper part of the seawater deoxidizing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320113736.4U CN219689402U (en) | 2023-01-19 | 2023-01-19 | Liquid inlet device of seawater deoxidization treatment equipment of FPSO |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320113736.4U CN219689402U (en) | 2023-01-19 | 2023-01-19 | Liquid inlet device of seawater deoxidization treatment equipment of FPSO |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219689402U true CN219689402U (en) | 2023-09-15 |
Family
ID=87941692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320113736.4U Active CN219689402U (en) | 2023-01-19 | 2023-01-19 | Liquid inlet device of seawater deoxidization treatment equipment of FPSO |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219689402U (en) |
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2023
- 2023-01-19 CN CN202320113736.4U patent/CN219689402U/en active Active
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