CN114688350A - Watertight cabin-through pipe fitting - Google Patents
Watertight cabin-through pipe fitting Download PDFInfo
- Publication number
- CN114688350A CN114688350A CN202210311340.0A CN202210311340A CN114688350A CN 114688350 A CN114688350 A CN 114688350A CN 202210311340 A CN202210311340 A CN 202210311340A CN 114688350 A CN114688350 A CN 114688350A
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- Prior art keywords
- pipe
- cooling medium
- inlet
- outlet
- watertight
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/70—Cooling of pipes or pipe systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to the technical field of ship penetration pieces, in particular to a watertight penetration piece. The watertight cabin penetrating pipe fitting comprises an inner pipe, an outer pipe and a mounting flange. The outer pipe is sleeved outside the inner pipe, a cooling cavity is defined between the outer pipe and the inner pipe, and the cooling cavity is provided with a cooling medium inlet and a cooling medium outlet; a mounting flange is disposed on the outer tube, and the flange is used for being connected with a bulkhead. That is, this watertight leads to cabin pipe fitting has realized reducing the technological effect of cabin wall temperature under the high temperature operating mode through the design of cooling chamber.
Description
Technical Field
The embodiment of the invention relates to the technical field of penetration pieces, in particular to a watertight penetration pipe fitting.
Background
In order to ensure the stability of the ship, the pipeline penetrating through a watertight bulkhead or a watertight deck is often required by ship specifications and related standards, and a watertight cabin penetrating pipe fitting is arranged to prevent water in a damaged cabin from entering an adjacent watertight cabin from the pipeline cabin penetrating position, so that the stability and the safety of the ship after the cabin is broken are improved. For this reason, the ship industry has developed relevant industry standards, such as CB/T3480.
The existing standard cabin-through pipe fitting structure is characterized in that a medium conveying pipeline is connected with a metal part between a watertight bulkhead or a deck, if the standard cabin-through pipe fitting structure is applied to a high-temperature system such as smoke exhaust, a large amount of heat of a conveying medium is quickly transmitted to the watertight bulkhead or the deck, the high temperature of the cabin-through wall is easily caused, the problems that paint is easy to fall off, a steel plate is deformed and the like are caused, the high temperature of the cabin-through pipe fitting structure can be diffused to a corridor and a living cabin, even flammable and explosive areas, the comfort of passengers is influenced, and potential safety hazards are caused.
Aiming at the defects of the existing standard cabin penetrating piece, the standard cabin penetrating piece needs to be improved, and the novel cabin penetrating pipe fitting is invented, which can ensure the watertight performance of a cabin wall or a deck and prevent the high temperature of the cabin wall so as to meet the actual requirement.
Disclosure of Invention
The invention aims to provide a watertight bulkhead pipe fitting to reduce the temperature of a bulkhead under a high-temperature working condition.
The invention adopts a technical scheme that: a watertight bulkhead fitting is provided, comprising an inner pipe, an outer pipe and a mounting flange. The outer pipe is sleeved outside the inner pipe, a cooling cavity is defined between the outer pipe and the inner pipe, and the cooling cavity is provided with a cooling medium inlet and a cooling medium outlet; the mounting flange is arranged on the outer pipe and is used for being connected with the bulkhead.
Optionally, the cooling medium outlet is provided at the top of the outer tube wall.
Optionally, the cooling medium inlet is provided at a bottom of the outer tube wall.
Optionally, the outer tube is connected to an inlet tube at the cooling medium inlet and the outer tube is connected to an outlet tube at the cooling medium outlet.
Optionally, the inner diameter of the inlet tube and the inner diameter of the outlet tube are the same.
Optionally, the inner diameter of the outer tube is d1, the outer diameter of the inner tube is d2, the inner diameter of the inlet tube is d3, and the following relations are satisfied between d1, d2 and d 3: d1 2-d2 2≥d3 2。
Optionally, the cooling medium inlet and the cooling medium outlet are respectively arranged at two sides of the mounting flange.
Optionally, the outer tube is disposed coaxially with the inner tube.
Optionally, the bulkhead is provided with a through hole for the watertight bulkhead pipe to pass through, the through hole has a diameter D1, end faces of the inlet pipe and the outlet pipe are provided with an inlet flange and an outlet flange, an outer diameter of the inlet flange and the outlet flange is D2, a farthest distance between the inlet flange and a wall of the outer pipe is L, and the following relationships are satisfied between D1, D2 and L:
optionally, the outer pipe is connected with an inlet seat plate at the cooling medium inlet, and the outer pipe is connected with an outlet seat plate at the cooling medium outlet.
Compared with the prior art, the watertight cabin-through pipe fitting provided by the embodiment of the invention has the following beneficial effects:
the watertight bulkhead fitting comprises an inner pipe, an outer pipe and a mounting flange. The outer pipe is sleeved outside the inner pipe, a cooling cavity is defined between the outer pipe and the inner pipe, and the cooling cavity is provided with a cooling medium inlet and a cooling medium outlet; the mounting flange is arranged on the outer pipe and is used for being connected with the bulkhead.
When the watertight penetration pipe fitting is in a working state, cooling medium flows in from the cooling medium inlet and flows out from the cooling medium outlet. In the flowing process of the cooling medium, an operator can adjust the flow speed and the flow of the cooling medium to match the temperature of the inner pipe, so that the cooling medium can fully cool the inner pipe. That is, this watertight leads to cabin pipe fitting has realized reducing the technological effect of cabin wall temperature under the high temperature operating mode through the design of cooling chamber.
Drawings
To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly describe the embodiments. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic sectional view of a watertight bulkhead fitting provided in embodiment 1 of the present invention.
FIG. 2 is a schematic view of the watertight bulkhead components provided in example 1 axially through the through-bore of the nacelle.
FIG. 3 is a schematic sectional view of the watertight bulkhead fitting connected to the bulkhead gasket.
Fig. 4 is a schematic sectional view of a watertight bulkhead fitting provided in embodiment 2 of the invention.
In the figure: 100. an inner tube;
200. an outer tube; 210. a cooling chamber; 211. a cooling medium inlet; 212. a cooling medium outlet;
300. installing a flange;
400. a bulkhead; 410. a through hole; 420. a gasket;
500. an inlet pipe;
600. an outlet pipe; 610. an inlet and outlet flange;
700. a seat plate;
d1, inner diameter of outer tube; d2, outer diameter of inner tube; d3, inlet tube; d1, the aperture of the through hole; d2, the outer diameter of the inlet and outlet flange; l, the farthest distance between the inlet and outlet flanges and the outer pipe wall.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," "inner," "outer," and the like as used herein are for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1:
referring to fig. 1, a schematic cross-sectional view of a watertight bulkhead fitting is shown, comprising an inner pipe 100, an outer pipe 200 and a mounting flange 300. The outer pipe 200 is sleeved outside the inner pipe 100, a cooling cavity 210 is defined between the outer pipe 200 and the inner pipe 100, the cooling cavity 210 is provided with a cooling medium inlet 211 and a cooling medium outlet 212, the cooling cavity 210 is filled with a cooling medium, and the flow of the cooling medium has a cooling effect on the inner pipe 100. A mounting flange 300 is provided at outer tube 200, the flange being adapted to be coupled to bulkhead 400.
Specifically, in order to allow the cooling medium to fill the entire cooling chamber 210 for better cooling, a cooling medium outlet 212 is provided at the top of the wall of the outer tube 200. It will be appreciated that even if the cooling medium inlet 211 is also provided at the top of the wall of the outer tube 200, the cooling medium must fill the entire cooling chamber 210 before it can flow out through the cooling medium outlet 212. Preferably, the cooling medium inlet 211 is provided at the bottom of the wall of the outer tube 200.
To facilitate the interfacing of the cooling medium inlet 211 and the cooling medium outlet 212 to an external cooling system, the outer tube 200 is connected to an inlet tube 500 at the cooling medium inlet 211 and the outer tube 200 is connected to an outlet tube 600 at the cooling medium outlet 212. It will be appreciated that the cooling medium inlet 211 and the cooling medium outlet 212 may be connected to the external cooling system by means of flanges, i.e. the ends of the inlet pipe 500 and the outlet pipe 600 facing away from the watertight bulkhead fitting are provided with flanges. Of course, the connection between the cooling medium inlet 211 and the cooling medium outlet 212 and the external cooling system may also be a threaded connection, and the like, which is not described in detail herein. The inlet pipe 500 and the outlet pipe 600 are of uniform specification and uniform inner diameter in view of convenience of manufacture.
To alleviate the resistance of the water inlet end, the water flow cross section of the inlet pipe 500 is smaller than the cross section of the cooling chamber 210. The inner diameter of the outer tube 200 is d1, the outer diameter of the inner tube 100 is d2, the inner diameter of the inlet tube 500 is d3, and the following relations are satisfied among d1, d2 and d 3:
d1 2π-d2 2π≥d3 2n, i.e. is d1 2-d2 2≥d3 2。
More specifically, referring to fig. 1 and 2, the cooling medium inlet 211 and the cooling medium outlet 212 are respectively disposed at both sides of the mounting flange 300, and the outer pipe 200 is coaxially disposed with the inner pipe 100. In order to facilitate the inlet pipe and the outlet pipe to be welded to external equipment, inlet and outlet flanges 610 are respectively arranged on the end faces of the inlet pipe and the outlet pipe.
The bulkhead 400 is provided with a through hole 410 for passing the watertight bulkhead pipe fitting, in order to realize that the watertight bulkhead pipe fitting passes through the through hole 410, the aperture of the through hole 410 is D1, the outer diameter of the inlet and outlet flange is D2, the farthest distance between the end surface of the inlet pipe 500 or the outlet pipe 600 and the wall of the outer pipe 200 is L, and the following relations are satisfied among D1, D2 and L:
it will be appreciated that the through-hole 410 should be left with a margin of at least 5 mm to prevent the watertight bulkhead tubing from getting stuck in the through-hole during its passage through the through-hole 410, so that:
in addition, the watertight cabin-through pipe fitting is connected with the cabin body in a welding mode. In other embodiments, referring to fig. 3, the connection between the gasket 420 and the threaded fastener may be selected.
Example 2:
referring to fig. 1 and 4, the difference between the present embodiment and embodiment 1 is that the outer tube 200 of embodiment 1 is provided with water inlet and outlet pipes at the cooling medium inlet 211 and the cooling medium outlet 212, and the water inlet and outlet pipes are connected to the external cooling system in an abutting manner, in embodiment 2, the outer tube 200 is provided with a seat plate 700 at the cooling medium inlet 211 and the cooling medium outlet 212, and the distance from the end surface of the seat plate 700 to the outer wall of the outer tube 200 is smaller than the distance from the end surface of the water inlet and outlet pipe to the wall of the outer tube 200, so that the watertight cabin through-tube can conveniently pass through the cabin through-holes 410, or the aperture of the cabin through-holes 410 does not need to be enlarged greatly, thereby reducing the manufacturing steps. Also, the seat plate 700 may be provided with a screw hole for connecting an external cooling system. It will be appreciated that in example 2, the watertight bulkhead components may be connected to the nacelle by welding or by the gasket 420 being fitted with threaded fasteners.
Compared with the prior art, the watertight cabin-through pipe fitting provided by the embodiment of the invention has the following beneficial effects:
the watertight bulkhead fitting comprises an inner pipe, an outer pipe and a mounting flange. The outer pipe is sleeved outside the inner pipe, a cooling cavity is defined between the outer pipe and the inner pipe, and the cooling cavity is provided with a cooling medium inlet and a cooling medium outlet; the mounting flange is arranged on the outer pipe and is used for being connected with the bulkhead.
When the watertight penetration pipe fitting is in a working state, cooling medium flows in from the cooling medium inlet and flows out from the cooling medium outlet. In the flowing process of the cooling medium, an operator can adjust the flow speed and the flow rate of the cooling medium to match the temperature of the inner pipe, so that the cooling medium can fully cool the inner pipe. That is, this watertight leads to cabin pipe fitting has realized reducing the technological effect of cabin wall temperature under the high temperature operating mode through the design of cooling chamber.
It should be noted that the description of the present invention and the accompanying drawings illustrate preferred embodiments of the present invention, but the present invention may be embodied in many different forms and is not limited to the embodiments described in the present specification, which are provided as additional limitations to the present invention and to provide a more thorough understanding of the present disclosure. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention described in the specification; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A watertight bulkhead fitting, comprising:
an inner tube;
the outer pipe is sleeved outside the inner pipe, a cooling cavity is defined between the outer pipe and the inner pipe, and the cooling cavity is provided with a cooling medium inlet and a cooling medium outlet;
and the mounting flange is arranged on the outer pipe and is used for being connected with the bulkhead.
2. Watertight bulkhead pipe according to claim 1, wherein the cooling medium outlet is provided at the top of the outer pipe wall.
3. Watertight bulkhead fitting according to claim 2, wherein the cooling medium inlet is provided at the bottom of the outer tube wall.
4. Watertight bulkhead fitting according to claim 1, characterized in that an inlet pipe is connected to the outer pipe at the cooling medium inlet and an outlet pipe is connected to the outer pipe at the cooling medium outlet.
5. Watertight bulkhead pipe according to claim 4, characterized in that the inner diameter of the inlet pipe and the inner diameter of the outlet pipe are the same.
6. Watertight bulkhead pipe according to claim 4, wherein the inner diameter of the outer pipe is d1, the outer diameter of the inner pipe is d2, the inner diameter of the inlet pipe is d3, and the following relations are satisfied between d1, d2 and d 3: d1 2-d2 2≥d3 2。
7. The watertight bulkhead fitting of claim 4, wherein the cooling medium inlet and cooling medium outlet are disposed on opposite sides of the mounting flange.
8. Watertight bulkhead pipe according to claim 7, wherein the outer pipe is arranged coaxially with the inner pipe.
9. The watertight bulkhead fitting of claim 8, wherein the bulkhead is provided with a through hole for the watertight bulkhead fitting to pass through, the through hole has a diameter D1, the end surfaces of the inlet pipe and the outlet pipe are provided with an inlet and outlet flange, the outer diameter of the inlet and outlet flange is D2, the farthest distance between the inlet and outlet flange and the wall of the outer pipe is L, and the following relationships are satisfied between D1, D2 and L:
10. watertight bulkhead fitting according to claim 1, wherein the outer tube is connected with an inlet seat plate at the cooling medium inlet and the outer tube is connected with an outlet seat plate at the cooling medium outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210311340.0A CN114688350A (en) | 2022-03-28 | 2022-03-28 | Watertight cabin-through pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210311340.0A CN114688350A (en) | 2022-03-28 | 2022-03-28 | Watertight cabin-through pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114688350A true CN114688350A (en) | 2022-07-01 |
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ID=82140645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210311340.0A Pending CN114688350A (en) | 2022-03-28 | 2022-03-28 | Watertight cabin-through pipe fitting |
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| Country | Link |
|---|---|
| CN (1) | CN114688350A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202532044U (en) * | 2012-02-27 | 2012-11-14 | 上海宝钢化工有限公司 | Polymerization pipe structure |
| CN205300318U (en) * | 2016-01-25 | 2016-06-08 | 贺青刚 | Two -layer equation heat exchanger cooling tube |
| CN111188950A (en) * | 2020-02-28 | 2020-05-22 | 广船国际有限公司 | Method for watertight penetration of pipeline |
| CN111379904A (en) * | 2020-04-17 | 2020-07-07 | 中船黄埔文冲船舶有限公司 | Detachable watertight fireproof heat-insulation cabin penetrating piece |
| CN212109655U (en) * | 2020-05-13 | 2020-12-08 | 松阳西屏永新机械厂 | Three-layer cooling device |
| CN212338440U (en) * | 2020-05-29 | 2021-01-12 | 广船国际有限公司 | Heat-insulating cabin penetrating piece for ship and ship |
-
2022
- 2022-03-28 CN CN202210311340.0A patent/CN114688350A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202532044U (en) * | 2012-02-27 | 2012-11-14 | 上海宝钢化工有限公司 | Polymerization pipe structure |
| CN205300318U (en) * | 2016-01-25 | 2016-06-08 | 贺青刚 | Two -layer equation heat exchanger cooling tube |
| CN111188950A (en) * | 2020-02-28 | 2020-05-22 | 广船国际有限公司 | Method for watertight penetration of pipeline |
| CN111379904A (en) * | 2020-04-17 | 2020-07-07 | 中船黄埔文冲船舶有限公司 | Detachable watertight fireproof heat-insulation cabin penetrating piece |
| CN212109655U (en) * | 2020-05-13 | 2020-12-08 | 松阳西屏永新机械厂 | Three-layer cooling device |
| CN212338440U (en) * | 2020-05-29 | 2021-01-12 | 广船国际有限公司 | Heat-insulating cabin penetrating piece for ship and ship |
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