CN111332634A - In-pipe oily water collecting device - Google Patents
In-pipe oily water collecting device Download PDFInfo
- Publication number
- CN111332634A CN111332634A CN202010123596.XA CN202010123596A CN111332634A CN 111332634 A CN111332634 A CN 111332634A CN 202010123596 A CN202010123596 A CN 202010123596A CN 111332634 A CN111332634 A CN 111332634A
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- Prior art keywords
- semi
- pipe
- cylinder body
- plate
- sewage collecting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/02—Wall construction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/02—Wall construction
- B65D90/08—Interconnections of wall parts; Sealing means therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/204—Keeping clear the surface of open water from oil spills
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention relates to the technical field of ship pipeline maintenance process equipment, in particular to an in-pipe oily water collecting device which comprises a pair of semi-annular sewage collecting tanks adopting a half-ring butt joint structure, wherein each semi-annular sewage collecting tank comprises a semi-annular bottom plate serving as a tank bottom, a semi-outer cylinder body vertically connected to the outer periphery of the semi-annular bottom plate, a semi-inner cylinder body vertically connected to the inner periphery of the semi-annular bottom plate, and a half plate vertically connected to the half surfaces of the semi-outer cylinder body and the semi-inner cylinder body, the inner space formed by the semi-outer cylinder, the semi-inner cylinder and the half-huff plate after surrounding connection becomes the sewage collecting space of the semi-annular sewage collecting tank, the inner surface of the semi-inner cylinder body and the butt joint surface of the half plates are provided with a rubber layer, and the pair of semi-annular sewage collecting tanks realize butt joint and clamping through half clamping bolts penetrating through the half plates. The invention realizes the complete collection of oily water in the pipe and prevents the oily water from polluting the cabin.
Description
Technical Field
The invention relates to the technical field of ship pipeline maintenance process equipment, in particular to an in-pipe oily water collecting device.
Background
In the repair of oil pipelines of ships, thermal (such as welding, gas cutting and the like) operations are required to be carried out on the site inside the ships. In order to ensure the safety of the thermal operation, water needs to be injected into the pipe before the construction, and the oily water is discharged from the pipe system after the pipe system is repaired. The conventional oily water discharge method is to loosen bolts of the pipeline butt flange and discharge oily water by utilizing the loosened butt flange gap.
However, the oily water discharged from the gap of the pipeline butt flange is dispersed and discharged along the periphery and is not easy to be completely collected (particularly for the vertical pipeline of the ship), so that the pollution of the oily water to the cabin is easily caused, and on the other hand, harmful odor gas is also dispersed in the discharging process of the oily water, so that the health of operators is influenced.
Disclosure of Invention
In order to solve the problems, the invention provides an in-pipe oily water collecting device, which aims to realize the complete collection of oily water in a pipe and prevent the oily water from polluting a cabin and having harmful effects on the health of personnel. The specific technical scheme is as follows:
an in-pipe oily water collecting device comprises a pair of semi-annular sewage collecting tanks adopting a half-ring butt joint structure, wherein each semi-annular sewage collecting tank comprises a semi-ring bottom plate serving as a tank bottom, a semi-outer cylinder body vertically connected to the outer periphery of the semi-ring bottom plate, a semi-inner cylinder body vertically connected to the inner periphery of the semi-ring bottom plate, and a half-ring plate vertically connected to the half-outer cylinder body and the half-inner cylinder body in the half-ring surface position, an inner space formed after the semi-outer cylinder body, the semi-inner cylinder body and the half-ring plate are connected in a surrounding mode is used as a sewage collecting space of the semi-annular sewage collecting tanks, a rubber layer is arranged on the inner surface of the semi-inner cylinder body and the butt joint surface of the half-ring plate, and the pair of semi-annular sewage collecting.
Preferably, a notch is formed in one side, far away from the groove bottom, of the half plate.
In the invention, a sewage discharge pipe joint communicated with the inner space of the semi-annular sewage collecting tank is arranged on the semi-outer cylinder.
Wherein, the sewage pipe joint is connected to the sewage collecting barrel through a hose.
In the invention, the pair of semi-annular sewage collecting tanks are clamped on the outer circle of the pipeline below the ship vertical pipeline butt flange through half butt joint, the outer circle of the pipeline is tightly matched and connected with the rubber layer positioned on the inner surface of the semi-inner cylinder body, and the diameter of the inner circle of the semi-outer cylinder body exceeds the diameter of the outer circle of the ship vertical pipeline butt flange.
Preferably, the half-ring type sewage collecting tank can be made of a steel pipe and a thin steel plate. When the device is used, the two half collecting tanks are tightly held on the outer circle of the vertical pipeline below the pipeline butt flange to be discharged by using the half clamping bolts, and the half combining plane of the collecting tank and the inner circle surface of the half inner cylinder body matched with the pipeline are sealed by using rubber. The bottom side of the collecting tank is provided with a discharge pipe joint to form a discharge opening, a hose is inserted to discharge oily sewage to the sewage collecting barrel, during use, the bolt connecting piece on the pipeline butt flange is slowly loosened, and the oily sewage flows into the sewage collecting tank below through a gap between the butt flanges.
In the invention, the position of the notch arranged on the half plate is just positioned at the position where the oil sewage falls down when the oil sewage is discharged.
As a further improvement, the in-pipe oily water collecting device further comprises an anti-splash shield enclosure arranged on the periphery of the ship vertical pipeline butt flange, wherein the anti-splash shield enclosure comprises an anti-splash barrel and a plurality of pins connected to the circumference of the lower end of the anti-splash barrel, the lower end of the anti-splash barrel is connected to the upper end surfaces of the pair of semi-annular sewage collecting tanks in a leaning manner, and the pins are connected to the inner circle of the semi-outer barrel in a positioning manner; the anti-splashing enclosure is of a half butt joint structure on the whole.
Preferably, the pipeline butt flange adopts bolted connection spare to press from both sides tightly fixedly, half interior barrel is provided with the half interior barrel of the extension section that upwards extends, the upper end of the half interior barrel of extension section is provided with a plurality of quantity adaptations the bayonet socket of preventing changeing of bolted connection spare hexagon head appearance.
As a further improvement, the in-pipe oily water collecting device is further provided with an odor gas discharging device, the odor gas discharging device comprises an inner flange arranged on an inner cylinder opening at the upper part of the anti-splashing cylinder body and an air suction pipe joint arranged on the inner flange, and the inner circle of the inner flange is matched with the outer circle of the pipeline butt flange.
Wherein the suction pipe joint is connected to a suction pump through a hose.
In the invention, the rubber layer is a flexible rubber plate which is connected with the inner surface of the semi-inner cylinder body and the butt joint surface of the half plate in a gluing mode, and the flexible rubber plate on the inner surface of the semi-inner cylinder body and the flexible rubber plate on the butt joint surface of the half plate are integrated into a same rubber plate.
The invention has the beneficial effects that:
first, the in-pipe oily water collecting device is simple in structure and convenient to use, can avoid pollution in a cabin caused by oily water flowing to the ground, simultaneously reduces the problem of labor waste in secondary cleaning, saves time and improves working efficiency.
Secondly, according to the in-pipe oily water collecting device, the anti-splashing cover surrounding baffle is arranged on the periphery of the vertical pipeline butt flange of the ship and is matched with the sewage collecting tank in a coordinated mode, so that pollution caused by oily water splashing is avoided, and oily water is collected more thoroughly.
Thirdly, according to the in-pipe oily water collecting device, the upper end of the half inner cylinder body at the extending section is provided with the plurality of anti-rotation bayonets which are matched with the shapes of the hexagon heads of the bolt connecting pieces on the butt flange in quantity, when the bolts on the butt flange are loosened, only the upper wrench is needed, and the lower wrench is not needed, so that the defect that oily water is easy to splash onto the arms of operators when the upper wrench and the lower wrench are used for simultaneous operation is overcome, and the operation safety is good.
Fourthly, the in-pipe oily water collecting device is provided with the peculiar smell gas discharging device, so that the body health of operators is protected.
Drawings
FIG. 1 is a schematic view showing the structure of an in-pipe oil-contaminated water collecting apparatus according to the present invention;
FIG. 2 is a top view of the effluent collection unit of FIG. 1;
fig. 3 is a schematic structural view of a further improvement of an in-pipe oil sewage collecting apparatus of fig. 1.
In the figure: 1. sewage collection device, 2, semi-annular sewage collecting vat, 3, semi-annular bottom plate, 4, half outer barrel, 5, half inner cylinder, 6, half board, 7, rubber layer, 8, bolted connection spare, 9, notch, 10, blow off pipe joint, 11, prevent splashing the cover and enclose the fender, 12, prevent the barrel that splashes, 13, participate in, 14, the half inner cylinder of extension, 15, prevent changeing the bayonet socket, 16, inner flange, 17, exhaust tube joint, 18, half clamp bolt, 19, pipeline flange.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 3, an embodiment of an in-pipe oil sewage collecting apparatus 1 of the present invention comprises a pair of semi-annular sewage collecting tanks 2 adopting a half-joint structure, each semi-annular sewage collecting tank 2 comprises a semi-annular bottom plate 3 as a tank bottom, a semi-outer cylinder 4 vertically connected to an outer periphery of the semi-annular bottom plate 3, a semi-inner cylinder 5 vertically connected to an inner periphery of the semi-annular bottom plate 3, a half-half plate 6 vertically connected to a half-outer cylinder 4 and a half-inner cylinder 5 at a half-inner cylinder's 5 half-, the inner space formed by the surrounding connection of the semi-outer cylinder 4, the semi-inner cylinder 5 and the half-half, a rubber layer 7 is arranged on the butt joint surface of the inner surface of the semi-inner cylinder 5 and the half plate 6, the pair of semi-annular sewage collecting tanks 2 are butted and clamped through half clamping bolts 18 penetrating through half plates 6.
Preferably, a notch 9 is provided on the half plate 6 on the side away from the groove bottom.
In this embodiment, the semi-outer cylinder 4 is provided with a sewage discharge pipe joint 10 communicated with the inner space of the semi-annular sewage collecting tank 2.
Wherein the waste pipe joint 10 is connected to a waste water collecting barrel (not shown) through a hose.
In this embodiment, the pair of semi-annular sewage collecting tanks 2 are clamped on the outer circle of the pipeline below the ship vertical pipeline butt flange 19 through half butt joint, the outer circle of the pipeline is in tight fit connection with the rubber layer 7 on the inner surface of the semi-inner cylinder 5, and the inner circle diameter of the semi-outer cylinder 4 exceeds the outer circle diameter of the ship vertical pipeline butt flange 19.
Preferably, the half-ring type sewage collecting tank (the half-ring type sewage collecting tank 2) can be made of a steel pipe and a thin steel plate. When the device is used, the two half collecting tanks are tightly held on the outer circle of the vertical pipeline below the pipeline butt flange 19 to be discharged by using the half clamping bolts, and the half combining plane of the collecting tank and the inner circle surface of the half inner cylinder 5 matched with the pipeline are sealed by using rubber. The bottom side of the collecting tank is provided with a sewage discharge pipe joint 10 to form a discharge opening, a hose is inserted to discharge oil sewage to the sewage collecting barrel, when the sewage collecting tank is used, the bolt connecting piece on the pipeline butt flange is slowly loosened, and the oil sewage flows into the sewage collecting tank 2 below through a gap between the butt flanges.
In this embodiment, the position of the notch 9 formed on the half plate 6 is just at the position where the oil and sewage water falls down when the oil and sewage water is discharged.
As a further improvement, the in-pipe oily water collection device of the embodiment further includes a splash-proof shield enclosure 11 disposed at the periphery of the vertical pipe butt flange 19 of the ship, where the splash-proof shield enclosure 11 includes a splash-proof cylinder 12 and a plurality of pins 13 connected to the circumference of the lower end of the splash-proof cylinder 12, the lower end of the splash-proof cylinder 12 abuts against the upper end faces of the pair of semi-annular sewage collection tanks 2, and the pins 13 are positioned and connected to the inner circle of the semi-outer cylinder 4; the splash-proof enclosure 11 is of a half butt joint structure as a whole.
Preferably, the pipeline butt flange 11 adopts the bolt connecting piece 8 to clamp fixedly, the half inner cylinder 5 is provided with the half inner cylinder 14 of the extension section that upwards extends, the upper end of the half inner cylinder 14 of the extension section is provided with a plurality of quantity adaptations the anti-rotation bayonet 15 of the hexagonal head shape of the bolt connecting piece 8.
As a further improvement, the in-pipe oily water collecting device of the present embodiment is further provided with an odor gas discharging device, the odor gas discharging device comprises an inner flange 16 arranged on the upper inner tube opening of the anti-splash tube body 12, and an air suction tube joint 17 arranged on the inner flange 16, and the inner circle of the inner flange 16 is matched with the outer circle of the pipeline butt flange 19.
Wherein the suction pipe connection 17 is connected to a suction pump (not shown in the figures) via a hose.
In this embodiment, the rubber layer 7 is a flexible rubber plate connected to the inner surface of the half inner cylinder 5 and the butt joint surface of the half inner cylinder 6 in a gluing manner, and the flexible rubber plate on the inner surface of the half inner cylinder 5 and the flexible rubber plate on the butt joint surface of the half inner cylinder 6 are the same rubber plate integrated with each other.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The in-pipe oily sewage collecting device is characterized by comprising a pair of semi-annular sewage collecting tanks adopting a half-ring butt joint structure, wherein each semi-annular sewage collecting tank comprises a semi-ring bottom plate serving as a tank bottom, a semi-outer cylinder body vertically connected to the outer periphery of the semi-ring bottom plate, a semi-inner cylinder body vertically connected to the inner periphery of the semi-ring bottom plate, and a half-ring plate vertically connected to the half-ring surface positions of the semi-outer cylinder body and the semi-inner cylinder body, the inner space formed by the semi-outer cylinder body, the semi-inner cylinder body and the half-ring plate after being connected in a surrounding mode becomes a sewage collecting space of the semi-ring sewage collecting tanks, a rubber layer is arranged on the inner surface of the semi-inner cylinder body and the butt joint surface of the half-ring plate, and the pair of semi-ring sewage collecting tanks are.
2. The in-pipe oil and sewage collection device of claim 1 wherein the huff plate is provided with a notch on a side away from the trough bottom.
3. The in-pipe oily water collecting device as claimed in claim 1, wherein a sewage pipe joint communicated with the inner space of the semi-annular sewage collecting tank is arranged on the semi-outer cylinder.
4. The in-pipe oily water collecting device as claimed in claim 3, wherein the sewage pipe joint is connected to the sewage collecting barrel through a hose.
5. The in-pipe oily water collecting device of claim 1, wherein the pair of semi-annular sewage collecting tanks are clamped on the outer circle of the pipeline below the ship vertical pipeline butt flange through half butt joint, the outer circle of the pipeline is in tight fit connection with a rubber layer positioned on the inner surface of the semi-inner cylinder, and the diameter of the inner circle of the semi-outer cylinder exceeds the diameter of the outer circle of the ship vertical pipeline butt flange.
6. The in-pipe oil-sewage collection device according to claim 5, further comprising a splash guard enclosure arranged at the periphery of the vertical pipe butt flange of the ship, wherein the splash guard enclosure comprises a splash guard cylinder and a plurality of pins connected to the circumference of the lower end of the splash guard cylinder, the lower end of the splash guard cylinder is connected to the upper end surfaces of the pair of semi-annular sewage collection tanks, and the pins are positioned and connected to the inner circle of the semi-outer cylinder; the anti-splashing enclosure is of a half butt joint structure on the whole.
7. The in-pipe oily water collecting device of claim 6, wherein the pipeline butting flange is clamped and fixed by a bolt connecting piece, the half inner cylinder body is provided with an extending section half inner cylinder body extending upwards, and the upper end of the extending section half inner cylinder body is provided with a plurality of anti-rotation bayonets with the number matched with the hexagonal head shape of the bolt connecting piece.
8. The in-pipe oily water collecting device as claimed in claim 7, wherein a peculiar smell gas discharging device is further arranged, the peculiar smell gas discharging device comprises an inner flange arranged on an upper inner tube opening of the anti-splashing barrel body and an air suction tube joint arranged on the inner flange, and the inner circle of the inner flange is matched with the outer circle of the pipeline butt flange.
9. The in-pipe oily water collecting device of claim 8, wherein the suction pipe joint is connected to a suction pump through a hose.
10. The in-pipe oil and sewage collection device of claim 1 wherein the rubber layer is a flexible rubber plate adhesively connected to the inner surface of the half inner cylinder and the abutting surface of the huff plate, and the flexible rubber plate on the inner surface of the half inner cylinder and the flexible rubber plate on the abutting surface of the huff plate are one and the same rubber plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010123596.XA CN111332634B (en) | 2020-02-27 | 2020-02-27 | In-pipe oily water collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010123596.XA CN111332634B (en) | 2020-02-27 | 2020-02-27 | In-pipe oily water collecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111332634A true CN111332634A (en) | 2020-06-26 |
| CN111332634B CN111332634B (en) | 2022-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010123596.XA Active CN111332634B (en) | 2020-02-27 | 2020-02-27 | In-pipe oily water collecting device |
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| Country | Link |
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| CN (1) | CN111332634B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112027029A (en) * | 2020-07-20 | 2020-12-04 | 沪东中华造船(集团)有限公司 | Ship maintenance pipeline releases trapped fuel and deposits water installation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527882A (en) * | 2013-10-29 | 2014-01-22 | 陈建林 | Union branching combined valve |
| CN204403425U (en) * | 2014-12-31 | 2015-06-17 | 云南天创科技有限公司 | A kind of embolism formula liquid discharging valve |
| CN106678488A (en) * | 2016-12-20 | 2017-05-17 | 武汉华星光电技术有限公司 | Leakage liquid collecting devices and exhaust duct leakage protective system |
| CN106836521A (en) * | 2017-01-11 | 2017-06-13 | 唐嘉诚 | Toilet warterproof layer infiltration emergency processing method |
| CN209164850U (en) * | 2018-11-27 | 2019-07-26 | 辽宁辽重机械制造有限公司 | A kind of pinpoint large-scale quick coupling |
| CN209245563U (en) * | 2018-10-23 | 2019-08-13 | 中核核电运行管理有限公司 | A kind of dismounting pipeline water guider |
-
2020
- 2020-02-27 CN CN202010123596.XA patent/CN111332634B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527882A (en) * | 2013-10-29 | 2014-01-22 | 陈建林 | Union branching combined valve |
| CN204403425U (en) * | 2014-12-31 | 2015-06-17 | 云南天创科技有限公司 | A kind of embolism formula liquid discharging valve |
| CN106678488A (en) * | 2016-12-20 | 2017-05-17 | 武汉华星光电技术有限公司 | Leakage liquid collecting devices and exhaust duct leakage protective system |
| CN106836521A (en) * | 2017-01-11 | 2017-06-13 | 唐嘉诚 | Toilet warterproof layer infiltration emergency processing method |
| CN209245563U (en) * | 2018-10-23 | 2019-08-13 | 中核核电运行管理有限公司 | A kind of dismounting pipeline water guider |
| CN209164850U (en) * | 2018-11-27 | 2019-07-26 | 辽宁辽重机械制造有限公司 | A kind of pinpoint large-scale quick coupling |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112027029A (en) * | 2020-07-20 | 2020-12-04 | 沪东中华造船(集团)有限公司 | Ship maintenance pipeline releases trapped fuel and deposits water installation |
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| Publication number | Publication date |
|---|---|
| CN111332634B (en) | 2022-05-20 |
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