CN115682813A - Quick detachable sea water heat exchanger end cover structure - Google Patents
Quick detachable sea water heat exchanger end cover structure Download PDFInfo
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- CN115682813A CN115682813A CN202211454824.7A CN202211454824A CN115682813A CN 115682813 A CN115682813 A CN 115682813A CN 202211454824 A CN202211454824 A CN 202211454824A CN 115682813 A CN115682813 A CN 115682813A
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- heat exchanger
- end cover
- detachable
- sea water
- fixing piece
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Abstract
The invention relates to an easily-detachable end cover structure of a seawater heat exchanger, which is arranged on two sides of an end cover of the seawater heat exchanger, and a left tube plate and a right tube plate are fixedly and detachably connected with a seawater heat exchanger body through detachable fixing pieces and end cover installation bolt groups. The fixing piece is additionally arranged, so that the end cover and the tube plate can be detached only by detaching the bolts outside the end cover on the premise of not detaching the connecting box bodies on the two sides, and the maintenance efficiency is greatly improved. The structure is simple, the processing is easy, the structure is compact, the windward area of the heat exchanger is not changed, and the heat exchange performance is not influenced. The invention solves the problems of limited space and small maintenance space of the ship, is more suitable for the special space requirement of ship maintenance, and provides conditions for efficiently solving the problem of ship air conditioner maintenance.
Description
Technical Field
The invention relates to a ship air conditioner ventilation device, in particular to an easily-detachable end cover structure of a seawater heat exchanger, which is suitable for ventilation of a ship power cabin.
Background
The ventilation facility for the ship power cabin is mainly a circulating ventilation device, wherein the seawater heat exchanger mainly has the function of reducing the temperature and the humidity of air in the cabin and is necessary equipment for ensuring the working environment of the power cabin. The main structure of the marine seawater heat exchanger comprises a left end cover, a right end cover, a tube plate, a gasket, a frame, a bolt, a nut and the like, and the internal part of the heat exchanger possibly leaks after long-term use, and the marine seawater heat exchanger mainly comprises the following aspects:
(1) The sealing ring is aged and failed or is extruded and damaged during installation, and the installation position does not meet the requirement;
(2) The expansion joint of the copper pipe and the pipe plate does not meet the requirement, and leakage is formed;
(3) The copper pipe is corroded and leaked by seawater, the inside of the copper pipe is scratched to form pitting corrosion to cause perforation leakage, or the inside of the copper pipe is blocked to cause seawater overspeed to form leakage;
(4) The copper pipe is unreasonable to install, and stress concentration is formed, which causes the copper pipe to break.
The end cover and the tube plate of the seawater heat exchanger are mainly connected through bolts, hexagon nuts and gaskets, the outer hexagon nut is characterized by large fastening force and firm installation and difficult looseness, the defect is that enough space is needed during installation and disassembly, common tools such as a monkey wrench and an open spanner need large operation space, and when the seawater heat exchanger leaks or needs to be cleaned, the end cover and the tube plate need to be disassembled.
The both sides of current circulation ventilation unit's sea water heat exchanger are steam heater and air-out static pressure case, if the sea water heat exchanger need maintain and when examining, it is single to be leaned on and twist the outside bolt of end cover and can't directly become flexible with inside nut, need can only reserve sufficient space after all demolising the steam heater and the air inlet case of heat exchanger both sides and dismantle work, and the maintenance task volume is big and inefficiency. Therefore, under the condition that the space of the ship is limited, how to maintain the two sides of the box body structure without dismantling the box body structure on the basis of not changing the original structure is very important.
Disclosure of Invention
The invention aims to solve the problem that an end cover and a tube plate of a seawater heat exchanger for a ship are not easy to disassemble, and provides an easily-disassembled end cover structure of the seawater heat exchanger, which can efficiently disassemble and maintain on the premise of not disassembling a steam heater and an air outlet static pressure box, and solves the problems of small ship maintenance space, high maintenance difficulty and the like.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides an easy detachable sea water heat exchanger end cover structure arranges in sea water heat exchanger end cover both sides, through dismantling mounting and end cover installation bolt group with left and right tube sheet and the fixed connection of dismantling of sea water heat exchanger body.
Further, bolt and nut fixed orifices are all seted up at both ends about the body of can dismantling the mounting, are convenient for connect the upper and lower apron that can dismantle mounting and sea water heat exchanger, increase the firmness of mounting.
Further, the detachable fixing piece body is provided with bolt holes corresponding to the external end cover bolts one to one, and nuts are welded on the bolt holes.
The invention has the beneficial effects that:
compared with the prior art, the invention has the main improvement that the easy-to-detach fixing piece is added in the seawater heat exchanger. At present, most of air conditioners in the field of ships adopt a combined air conditioner design mode, namely an air outlet static pressure box, a fan motor, a steam heater, a seawater heat exchanger, an air outlet box body and other structural forms, and if the seawater heat exchanger leaks or needs cleaning work, the steam heaters on the left side and the right side or a connecting box body needs to be detached in the existing structure.
Install this mounting additional, need not to demolish under the prerequisite that both sides connect the box, only need demolish the outside bolt of end cover and can dismantle end cover and tube sheet, improve maintenance efficiency greatly. The structure is simple, the processing is easy, the structure is compact, the windward area of the heat exchanger is not changed, and the heat exchange performance is not influenced.
The invention solves the problems of limited space and small maintenance space of the ship, is more suitable for the special space requirement of ship maintenance, and provides conditions for efficiently solving the problem of ship air conditioner maintenance.
Drawings
FIG. 1 is a schematic diagram of a seawater heat exchanger;
fig. 2 is a removable fastener arrangement of the present invention.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1, the seawater heat exchanger mainly comprises an end cover mounting bolt group 1, a left end cover 2, a left tube plate 3, an upper cover plate 4, a right end cover 5 and a detachable fixing piece 6. Through quick easy removable mounting fixing bolt of end cover, dismantle bolt group with the spanner in the end cover front side when sea water heat exchanger overhauls. The quick easy removable mounting of conventional sea water heat exchanger no end cover, need during the maintenance with sea water heat exchanger and box separation and take out the sea water heat exchanger after dismantling left and right end cover.
As shown in fig. 1 and 2, the easily detachable end cover structure of the seawater heat exchanger of the present invention is disposed on both sides of the end cover of the seawater heat exchanger, and bolt and nut fixing holes are formed at both the upper and lower ends of the detachable fixing member 6, so as to facilitate the connection between the detachable fixing member 6 and the upper and lower cover plates and increase the firmness of the fixing member. The nut 6-2 is fixed on the detachable fixing piece body 6-2 through welding, and when the heat exchanger needs to be maintained, the purpose of detaching the seawater heat exchanger can be achieved only by screwing the bolt outside the end cover. The structure can be used for the same type of air conditioners and has wide adaptability.
As shown in fig. 1 and 2, the invention provides an easily detachable fixing member, which has the following characteristics compared with the existing detachable structure:
(1) The two sides of the left tube plate 2 and the right tube plate 3 are provided with 4 detachable fixing pieces 6.
(2) Bolt and nut fixing holes are formed in the upper end and the lower end of the detachable fixing piece body 6-1, so that the detachable fixing piece 6 can be conveniently connected with the upper cover plate and the lower cover plate, and the firmness of the detachable fixing piece 6 is improved.
(3) The detachable fixing piece body 6-1 is provided with bolt holes corresponding to the bolts of the external end cover one by one, and the nuts 6-2 are welded on the bolt holes of the detachable fixing piece body 6-1.
Therefore, the easily detachable end cover structure of the seawater heat exchanger has the following advantages:
(1) The detachable fixing piece has a simple structure, is easy to machine and form, has a compact structure, does not change the windward area of the heat exchanger, and does not affect the performance of the heat exchanger;
(2) The steam heater and the air outlet static pressure box at two sides of the heat exchanger do not need to be dismantled, so that the maintenance efficiency is improved;
(3) The upper end and the lower end of the detachable fixing piece are fixed with the cover plate, and the nut and the fixing piece are in an integrated welding structure, so that the end cover can be detached only by loosening the external bolt of the end cover;
(4) The problems of small ship maintenance space, high maintenance difficulty and the like are solved.
Claims (3)
1. The utility model provides an easy detachable sea water heat exchanger end cover structure which characterized in that: arrange in sea water heat exchanger end cover both sides, through dismantling mounting and end cover installation bolt group with left and right tube sheet and the fixed connection of dismantling of sea water heat exchanger body.
2. The easy-to-disassemble end cover structure of the seawater heat exchanger as claimed in claim 1, wherein: bolt and nut fixing holes are formed in the upper end and the lower end of the body of the detachable fixing piece, so that the detachable fixing piece and an upper cover plate and a lower cover plate of the seawater heat exchanger can be connected conveniently, and firmness of the fixing piece is increased.
3. The quick detachable seawater heat exchanger end cover structure of claim 2, wherein: the detachable fixing piece body is provided with bolt holes corresponding to the external end cover bolts one to one, and nuts are welded on the bolt holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211454824.7A CN115682813A (en) | 2022-11-21 | 2022-11-21 | Quick detachable sea water heat exchanger end cover structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211454824.7A CN115682813A (en) | 2022-11-21 | 2022-11-21 | Quick detachable sea water heat exchanger end cover structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115682813A true CN115682813A (en) | 2023-02-03 |
Family
ID=85053501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211454824.7A Pending CN115682813A (en) | 2022-11-21 | 2022-11-21 | Quick detachable sea water heat exchanger end cover structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115682813A (en) |
-
2022
- 2022-11-21 CN CN202211454824.7A patent/CN115682813A/en active Pending
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