CN210882524U - Fixed dry powder hose station protection box for liquefied gas ship - Google Patents
Fixed dry powder hose station protection box for liquefied gas ship Download PDFInfo
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- CN210882524U CN210882524U CN201921729983.7U CN201921729983U CN210882524U CN 210882524 U CN210882524 U CN 210882524U CN 201921729983 U CN201921729983 U CN 201921729983U CN 210882524 U CN210882524 U CN 210882524U
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- protection box
- dry powder
- box body
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- liquefied gas
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Abstract
The utility model discloses a fixed dry powder hose station protection box for a liquefied gas ship, which comprises a protection box base and a protection box body, wherein the protection box base and the protection box body are welded above a deck; the bottom of the protective box body is communicated with the deck; the top of the protective box body is provided with a dry powder feeding cover; a protective box door is arranged on the side wall of the protective box body; a pressure regulating air filter is arranged in the protection box body; the pressure regulating air filter is connected with the dry air pipe, and the dry air pipe penetrates through an opening of the dry air pipe arranged on the protective box body and is used for being connected with a pipeline of a ship air system; a water outlet is formed in the bottommost end of the side wall of the protection box base and is blocked by a detachable drain plug; the outer wall of the top end of the protective box body is connected with a hoisting eye plate; the height of the base of the protection box is not higher than 160 mm; the utility model discloses guard box simple structure, simple to operate can effectively protect the chemical dry powder hose station unit sled piece of liquefied gas ship.
Description
Technical Field
The utility model relates to a liquefied gas carrier fire control protection field, more specifically say, relate to a liquefied gas carrier is with fixed dry powder hose station guard box.
Background
According to the requirements of international regulations on the construction and equipment of ships for bulk transport of liquefied gas (IGC regulations), a fixed chemical dry powder fire extinguishing system is required to be installed on a liquefied gas ship for extinguishing fires on decks in cargo areas. The chemical dry powder fire extinguishing system is designed in two modes, one mode is that a centralized dry powder station is arranged, a dry powder storage tank and a high-pressure power nitrogen cylinder are arranged in a deck dry powder room and are connected to each dry powder hose and each dry powder gun through pipelines; the other type is an independent dry powder hose station, each dry powder hose station is provided with a dry powder storage tank, a high-pressure power nitrogen cylinder, a control pipeline and a valve member to form a unit prying block, and the unit prying blocks are arranged in corresponding protection areas of the weather deck.
For the second type of dry powder hose station unit skid, a closed protective box is needed to isolate the equipment, considering that wind and wave impact and seawater, salt spray, and cargo vapors (typically ammonia is corrosive to copper and copper alloys) transported can corrode chemical dry powder fire extinguishing system equipment. And the type of the protection box should not influence the normal use of the dry powder hose station equipment and should be convenient for equipment maintenance.
In addition, the protective box of the dry powder hose station needs to be welded on the deck, and the paint on the back of the deck, i.e., the top of the Cargo Hold (Cargo Hold), can be damaged due to the welding operation. For the IMO TYPE C TYPE liquid cargo tank liquefied gas carrier, after the cargo tank is installed, due to the fact that no scaffold supporting point exists, the repair of paint on the top of the cargo tank can be conducted only by making a special lifting plate, the process of paint repair operation is complex and dangerous, and therefore the paint repair operation needs to be avoided when a dry powder hose station protection box is designed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a fixed dry powder hose station guard box for liquefied gas ship to can effectively protect the dry powder hose station.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a fixed dry powder hose station protection box for a liquefied gas ship comprises a protection box base welded above a deck, wherein the protection box base is of a wall-shaped structure with an opening at the upper part; a protective box body is detachably and hermetically connected above the protective box base through a flange which is horizontally connected to the outer side; the bottom of the protective box body is communicated with the deck;
a dry powder feeding opening is formed in the top of the protective box body, and a dry powder feeding cover is arranged at the dry powder feeding opening;
a dry powder hose outlet is formed in the side wall of the protection box body, and a protection box door is arranged at the dry powder hose outlet;
a pressure regulating air filter is arranged in the protection box body; the pressure regulating air filter is connected with the dry air pipe, and the dry air pipe penetrates through an opening of the dry air pipe arranged on the protective box body and is used for being connected with a pipeline of a ship air system; the gap between the opening of the dry air pipe and the dry air pipe is sealed by welding;
a water outlet is formed in the bottommost end of the side wall of the protection box base and is blocked by a detachable drain plug;
the outer wall of the top end of the protective box body is connected with a hoisting eye plate;
the height of the base of the protective box is not higher than 160 mm.
Preferably, the protection box base comprises four side faces of a cuboid; the protection box body comprises a cuboid top surface and four side surfaces.
Preferably, four hoisting eye plates are arranged at four corners of the top surface of the protective box body respectively.
Preferably, the dry powder feed opening is a circular opening.
Preferably, a welding seat is arranged around the water outlet, and the drain plug is arranged on the welding seat.
Preferably, the flanges comprise a first flange which is horizontally outwards connected to the top end of the base of the protective box and a second flange which is horizontally outwards connected to the bottom end of the protective box; a rubber sealing gasket is arranged between the first flange and the second flange.
The utility model has the advantages that when in use, the protective box door can be opened, the dry powder can be sprayed out for fire extinguishing by taking out the hose and opening the nitrogen tank switch; when the dry powder drying box is not used, the door of the protection box and the dry powder feeding cover are closed, and dry air can be conveyed into the protection box through the pressure-regulating air filter for drying; if the water is accumulated in the tank, the water can be discharged by opening the discharge plug. When feeding, the dry powder feeding cover is opened, then the dry powder storage tank feeding cover is opened, and the dry powder is directly poured into the tank, so that the operation is very convenient. The protective box of the utility model is also convenient to install, the protective box base can be welded on the deck at the stage of manufacturing the ship body by sections (operation in workshop), and then painting operation is carried out; the protective box body is transported to be connected and installed with the protective box base through the lifting eye plate after the ship body is folded, and compared with the process that the whole protective box is welded on a deck after the ship body is folded, the welding is more convenient, and the damage of the welding to paint on the back of the deck is avoided. The utility model discloses guard box simple structure, simple to operate can effectively protect the chemical dry powder hose station unit sled piece of liquefied gas ship.
Drawings
FIG. 1 is a front view of the protective case of the present invention with a dry powder hose station installed therein;
FIG. 2 is an enlarged view of FIG. 1 at circle A;
FIG. 3 is a side view of the protective case of the present invention with a dry powder hose station inside;
FIG. 4 is a top view of the protective case of the present invention with a dry powder hose station inside;
fig. 5 is a perspective view of the protection box of the present invention with a dry powder hose station installed therein.
In the figure, 1, a protection box body, 2, a protection box base, 3, a protection box door, 4, a hoisting eye plate, 5, a dry powder feeding cover, 6, a pressure-regulating air filter, 7, a dry air pipe, 8, a rubber sealing gasket, 9, a hexagon head bolt, 10, a hexagon nut, 11, a discharge plug, 12, a dry powder storage tank, 13, a nitrogen tank, 14, a hose, 15, a hose support, 16, a dry powder hose station unit prying block base, 17, a deck, P1 and a ship air system pipeline.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 5, the fixed dry powder hose station protection box for a liquefied gas carrier of the present invention includes a protection box base 2 welded above a deck 17, wherein the protection box base 2 is a wall-shaped structure with an opening at the top; a protective box body 1 is detachably and hermetically connected above the protective box base 2 through a flange which is horizontally connected to the outer side; the bottom of the protective box body 1 is communicated with a deck 17; the protection box base 2 comprises four side surfaces of a cuboid; the protection box body 1 comprises a cuboid top surface and four side surfaces.
A dry powder feeding opening is formed in the top of the protective box body 1, and a dry powder feeding cover 5 is arranged at the dry powder feeding opening; the dry powder feeding opening is a round opening and is right above the dry powder storage tank 12; the top of the dry powder storage tank 12 is provided with a storage tank charging port which can be manually opened for charging.
A dry powder hose outlet is formed in the side wall of the protection box body 1, and a protection box door 3 is arranged at the dry powder hose outlet;
a pressure-regulating air filter 6 is arranged in the protective box body 1; the pressure-regulating air filter 6 is connected with a dry air pipe 7, and the dry air pipe 7 passes through a dry air pipe opening arranged on the protective box body 1 and is used for being connected with a ship air system pipeline P1; the gap between the opening of the dry air duct 7 and the dry air duct 7 is sealed by welding.
A water outlet is formed in the bottommost end of the side wall of the protection box base 2 and is blocked by a detachable drain plug 11; for better fixation, a welding seat is arranged around the water outlet, and the drain plug 11 is arranged on the welding seat.
The outer wall of the top end of the protective box body 1 is connected with a hoisting eye plate 4. Four hoisting eye plates 4 are respectively arranged at four corners of the top surface of the protective box body 1.
In order to ensure the sealing of the flange part, the flange comprises a first flange which is horizontally outwards connected to the top end of the base 2 of the protection box and a second flange which is horizontally outwards connected to the bottom end of the protection box body 1; a rubber gasket 8 is arranged between the first flange and the second flange. Corresponding bolt openings are formed in the first flange and the second flange, and the bolt openings are fixed through hexagon bolts 9 and hexagon nuts 10.
When in use, a dry powder hose station unit prying block is arranged in the protective box and comprises a dry powder storage tank 12, a nitrogen tank 13, a hose 14 and a hose bracket 15; the dry powder in the dry powder storage tank 12 is guided to the hose 14 by the pressure provided by the nitrogen in the nitrogen tank 13; when in use, the protective box door 3 can be opened, the hose 14 is taken out, and the nitrogen tank 13 is opened and closed, so that the dry powder can be sprayed out for extinguishing fire; when the drying box is not used, the protection box door 3 and the dry powder feeding cover 5 are closed, and the drying air can be conveyed through the pressure-regulating air filter 6 (the drying air is conveyed to the drying air pipe 7 from the ship air system pipeline P1 and then conveyed to the pressure-regulating air filter 6) to be dried in the protection box; if there is water in the tank, the drainage can be performed by opening the drainage plug 11. When feeding, the dry powder feeding cover 5 is opened, then the storage tank feeding cover is opened, and the dry powder is directly poured into the tank, so that the operation is very convenient.
For the installation of protection box 1, can weld protection box base 2 and dry powder hose station unit sled piece base 16 in deck 17 earlier, then transport protection box 1 through hoist and mount eye plate 4 and be connected the installation with protection box base 2, this process is compared and is welded whole protection box in deck 17 and more can make things convenient for the welding and protect deck 17 more.
The following are more specific embodiments:
the protection box body 1 and the protection box base 2 are made of 6mm steel plates through welding, connecting flange plates are arranged on the lower portion of the protection box body 1 and the upper portion of the protection box base 2, bolt holes are drilled, and coating is conducted after sand blasting. The size of the protective box is designed according to the overall dimension of the prying block of the dry powder hose station unit, and meanwhile, necessary maintenance spaces of equipment in the dry powder hose station are considered, such as a high-pressure power nitrogen tank 13 and a replacement space of a control valve.
The height of the protective box base 2 is designed to be 150mm, so that the installation and construction on the subsection are facilitated, the whole subsection is coated after welding, and welding operation and back paint repair after the deck 17 is folded are avoided. The protective box base 2 is provided with a welding seat and a drain plug 11, which is positioned at the lowest point of a space formed by the protective box base and a ship deck 17 and is used for draining accumulated water possibly occurring in the protective box.
The weather-tight protective box door 3 is arranged on the protective box body 1, and the opening position of the protective box body is opposite to the reel of the hose 14, so that the hose 14 can be conveniently and rapidly pulled and placed. The size of the door is not less than 700X1650mm, and an external hook is arranged, after the door is opened, the hook is used for fixing the door, so that the door can not be closed when the equipment is operated or maintained.
A rubber sealing gasket 8 is arranged between the protection box body 1 and the protection box base 2, and is connected and fastened by a hexagon bolt 9 and a hexagon nut 10, and the rubber sealing gasket 8 can ensure the tightness between the two.
The top of the protection box body 1 is provided with a hoisting eye plate 4 for installing and hoisting the protection box body 1. The top of the protection box body 1 is provided with a dry powder charging cover 5 which is positioned right above a charging opening of a dry powder storage tank, and dry powder charging can be carried out under the condition that the protection box body 1 is not hoisted.
The dry air pipe 7 and the pressure-regulating air filter 6 are arranged on the inner side wall of the protection box and connected to a ship air system, dry air can be provided for the protection box, micro-positive pressure in the protection box is kept, and cargo steam is prevented from entering the protection box to corrode parts of the dry powder hose station, so that the dry powder hose station equipment is ensured to be in a good state;
and (3) positioning and welding the dry powder hose station unit prying block base 16 on the ship body section according to an equipment installation construction drawing, positioning the protective box base 2 in a spot welding manner, and welding after the base is ground, adjusted to be horizontal on the upper plane. A welded seat and a bleed plug 11 are mounted on the protective box base 2. The two bases complete coating together with the ship body section.
After the hull deck 17 is closed up for construction, the dry powder hose station unit skid is mounted to its base. Lay rubber packing 8 on the flange plate of protection box base 2, the complete protection box of handling preparation 1 to the protection box base 2 go up 30mm height, take a seat protection box 1 after counterpointing both bolt holes, install hexagon head bolt 9 and hexagon nut 10 and screw up.
When the ship transports corrosive goods (such as liquid ammonia), the ship air system pipeline P1 is connected, the pressure knob of the pressure regulating air filter 6 is adjusted to the set pressure of 350mm water column, dry air is supplied to the inside of the protection box, the protection box door 3 is closed, and the micro positive pressure in the box is maintained. When transporting other non-corrosive cargo, it may not be necessary to provide dry air into the protective enclosure.
The above description is only the specific implementation manner of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the design of the present invention within the technical scope of the present invention.
Claims (6)
1. A fixed dry powder hose station protection box for a liquefied gas ship is characterized by comprising a protection box base welded above a deck, wherein the protection box base is of a wall-shaped structure with an opening at the upper part; a protective box body is detachably and hermetically connected above the protective box base through a flange which is horizontally connected to the outer side; the bottom of the protective box body is communicated with the deck;
a dry powder feeding opening is formed in the top of the protective box body, and a dry powder feeding cover is arranged at the dry powder feeding opening;
a dry powder hose leading-out port is formed in the side wall of the protection box body, and a protection box door is arranged at the dry powder hose leading-out port;
a pressure-regulating air filter is arranged in the protection box body; the pressure regulating air filter is connected with a dry air pipe, and the dry air pipe penetrates through a dry air pipe opening formed in the protective box body and is used for being connected with a ship air system pipeline; the opening of the dry air pipe and the dry air pipe are sealed by welding;
a water outlet is formed in the bottommost end of the side wall of the protection box base and is blocked by a detachable drain plug;
the outer wall of the top end of the protective box body is connected with a hoisting eye plate;
the height of the protection box base is not higher than 160 mm.
2. The stationary dry powder hose station protection box for liquefied gas ships according to claim 1, wherein the protection box base comprises four sides of a rectangular parallelepiped; the protection box body comprises a cuboid top surface and four side surfaces.
3. The fixed dry powder hose station protection box for a liquefied gas carrier as claimed in claim 2, wherein the number of the lifting eye plates is four, and the four lifting eye plates are respectively disposed at four corners of the top surface of the protection box body.
4. The stationary dry powder hose station protection box for liquefied gas ships according to claim 1 or 2, wherein the dry powder feeding opening is a circular opening.
5. The stationary dry powder hose station protection box for liquefied gas carrier as claimed in claim 1, wherein a welded seat is provided around the drain port, and the drain plug is provided to the welded seat.
6. The stationary dry powder hose station protective case for liquefied gas carrier as claimed in claim 1, wherein the flanges comprise a first flange horizontally outwardly connected to the top end of the protective case base and a second flange horizontally outwardly connected to the bottom end of the protective case body; and a rubber sealing gasket is arranged between the first flange and the second flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921729983.7U CN210882524U (en) | 2019-10-15 | 2019-10-15 | Fixed dry powder hose station protection box for liquefied gas ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921729983.7U CN210882524U (en) | 2019-10-15 | 2019-10-15 | Fixed dry powder hose station protection box for liquefied gas ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210882524U true CN210882524U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921729983.7U Active CN210882524U (en) | 2019-10-15 | 2019-10-15 | Fixed dry powder hose station protection box for liquefied gas ship |
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| CN (1) | CN210882524U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114148449A (en) * | 2021-11-02 | 2022-03-08 | 中船澄西船舶修造有限公司 | Universal pressure gauge protection box for ships |
-
2019
- 2019-10-15 CN CN201921729983.7U patent/CN210882524U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114148449A (en) * | 2021-11-02 | 2022-03-08 | 中船澄西船舶修造有限公司 | Universal pressure gauge protection box for ships |
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