CN201880427U - Filter device used for fresh water pipelines of marine large-scale diesel engine - Google Patents
Filter device used for fresh water pipelines of marine large-scale diesel engine Download PDFInfo
- Publication number
- CN201880427U CN201880427U CN2010206127821U CN201020612782U CN201880427U CN 201880427 U CN201880427 U CN 201880427U CN 2010206127821 U CN2010206127821 U CN 2010206127821U CN 201020612782 U CN201020612782 U CN 201020612782U CN 201880427 U CN201880427 U CN 201880427U
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- filter
- fresh water
- pipe
- flange
- intervalve
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Abstract
The utility model relates to a filter device used for fresh water pipelines of a marine large-scale diesel engine, which comprises a front reducing flange pipe, a middle pipe, a rear reducing flange pipe and a filter. The smaller-diameter end of the front reducing flange pipe is connected with a fresh water tank, and the larger-diameter end of the front reducing flange pipe is connected with the middle pipe. One larger-diameter end of the rear reducing flange pipe is connected with the middle pipe, and the other smaller-diameter end of the rear reducing flange pipe is connected with a main engine water inflowing main pipes. The filter is arranged between the front reducing flange pipe and the middle pipe. Rubbish accumulated inside the circulating fresh water pipelines during use of the filter device, such as casts of flange gaskets, sediments of the water tank and the like, can be stopped from flowing into a main engine fresh water system by the filter device, the problem that performance of the main engine is degraded due to malfunctioning of a cooling system can be overcome, so that the service life of the main engine fresh water system can be prolonged.
Description
Technical field
The utility model relates to marine diesel, specially refers to a kind of filter that is set to fresh water line on the marine diesel.
Background technology
Diesel fuel burns the heat that is produced in cylinder combustion, and only some becomes effective merit, and what all the other had is discharged to atmosphere with waste gas, and what have then is delivered to cooling medium on every side by cylinder, piston, cylinder cover etc.These temperature and cooling situations thereof that are positioned at parts cooling mediums on every side such as cylinder are wanted suitably could guarantee that the operating temperature of above-mentioned parts is normal.Otherwise the temperature of these parts sharply raises, and then causes parts expanded by heating distortion, and intensity reduces, and destroys the normal fit clearance between part, the parts inequality of being heated simultaneously, and thermal stress is big, also can damage.Particularly the temperature of combustion-chamber assembly is too high, and density of the induced air reduces, and air inflow reduces, and the power of diesel engine is descended.The cooling system that is positioned at the marine diesel combustion-chamber assembly is a cooling system of fresh water, and main medium is a fresh water, and the characteristics of this system's maximum are the closed chamber cooling systems.
In above-mentioned closed chamber cooling system, fresh water forms closed circulation between the cooling space of diesel engine and pipeline, the fresh water circulatory system in use, in order to prevent the rubbish of the adhesion in the tube wall, sediment in spall and the water tank flows in the cooling water system of main frame, the pipeline that results in blockage, the situation that influences normal cooling effect takes place.
Summary of the invention
The purpose of this utility model is to overcome that the fresh water circulation time causes sediment or spall to flow into the problem that main frame causes pipeline blockage in the closed chamber cooling system on the above-mentioned marine diesel, and a kind of filter that is used for above-mentioned fresh water line is provided.Filter of the present utility model will be avoided taking place because of the phenomenon that the cooling system irregular working causes host performance to descend, and prolongs the service life of main frame freshwater system.
In order to reach the foregoing invention purpose, the technical scheme that the utility model provides is as follows:
A kind of filter that is used for the large diesel engine for ship fresh water line, it is characterized in that, described filter includes preceding reduced flange pipe, intervalve, back reduced flange pipe and filter, the less end connection of diameter fresh water water tank on the reduced flange pipe before described, diameter Shanghai Communications University one end connects intervalve, the bigger end of diameter connects intervalve on the reduced flange pipe of described back, the less end of diameter connects the main frame water inlet manifold, is provided with described filter before described between reduced flange pipe and the intervalve.
In the utility model, be provided with paper gasket on the flange connecting before described between reduced flange pipe, intervalve and the back reduced flange pipe.
In the utility model, described filter comprises mounting flange and filter screen, and between the flange of the flange of reduced pipe and intervalve, described filter screen was located at the middle part of mounting flange before described mounting flange was located at.
In the utility model, described filter screen is cylindric for band spacer screen face, is equipped with filter opening on spacer screen face and barrel, and the openend of filter screen is connected on the mounting flange, and the cylindric filter screen of filter extend in the described central tube.
Based on technique scheme, filter of the present utility model is used for the large diesel engine for ship fresh water line and brings following technique effect:
1. in the fresh water line of filter use of the present utility model on marine diesel, avoid the rubbish that deposits in the circulation fresh water line in the long-term use, the flange gasket cast, waste flow such as water tank sediment are gone into the main frame freshwater system, avoid taking place, prolong the service life of main frame freshwater system because of the phenomenon that the cooling system irregular working causes host performance to descend.
2. filter internal structure of the present utility model is very simple, only adopts the pipe of an installation filter to connect by 2 reduced flange pipe fittings, paper gasket is installed between the flange is prevented that fresh water from leaking.Installing/dismounting is convenient especially, only need and advance between the fresh water house steward of main frame this fresh water filter system to be installed and to get final product at the fresh water water tank, the direction of noting installation just can, after using a period of time, if need clean to filter, only need just simply remove during cleaning and can take out, clean simply, also can prolong the service life of filter simultaneously.
Description of drawings
Fig. 1 is the structural representation that the utility model is used for the filter of large diesel engine for ship fresh water line.
Fig. 2 is the structural representation that the utility model is used for the filter filter of large diesel engine for ship fresh water line.
Fig. 3 is a local M place enlarged diagram among Fig. 2.
The specific embodiment
Below we come the filter that is used for the large diesel engine for ship fresh water line of the present utility model is further set forth with specific embodiment in conjunction with the accompanying drawings; in the hope of understanding structure of the present utility model and use more cheer and brightly, but can not limit protection domain of the present utility model with this.
The utility model mainly is a kind of filter that is used for the large diesel engine for ship fresh water line of design, mainly is that this filter is arranged between the fresh water water tank and main frame water inlet manifold on the large diesel engine for ship.
As shown in Figure 1, reduced flange pipe 1, intervalve 2, back reduced flange pipe 3 and filter 4 before filter of the present utility model includes.Wherein, preceding reduced flange pipe 1 connects intervalve 2, and intervalve 2 connects back reduced flange pipe 3, and filter 4 then is arranged between preceding reduced flange pipe 1 and the intervalve 2.
In the fresh water line of large diesel engine for ship, the less end of diameter connects the fresh water water tank on the above-mentioned preceding reduced flange pipe 1, and diameter Shanghai Communications University one end connects intervalve 2.Then the bigger end of diameter connects intervalve 2 on the reduced flange pipe 3, and the less end of diameter connects the main frame water inlet manifold.The marginal portion of filter 4 is fixed between preceding reduced flange pipe 1 and the intervalve 2.The main frame here is the popular saying of marine diesel.
In said structure of the present utility model,, be provided with paper gasket on the flange of the junction before described between reduced flange pipe 1, intervalve 2 and the back reduced flange pipe 3 in order to connect sealing.
In said structure design of the present utility model, filter 4 comprises mounting flange 41 and filter screen 42, and between the flange of the flange of reduced pipe 1 and intervalve 2, filter screen 42 then was located at the middle part of mounting flange 41, and extends to a side before described mounting flange 41 was located at.
Above-mentioned filter screen 42 is cylindric for band spacer screen face, is equipped with filter opening on spacer screen face and barrel, and the openend of filter screen 42 is connected on the mounting flange 41, and the cylindric filter screen of filter 4 extend in the described central tube 2, as shown in Figures 2 and 3.
Installation filter of the present utility model on the large diesel engine for ship, at the fresh water cooling water after a circulation finishes, come from the fresh water water tank, through after the filtration of filter, just enter the cooling system of fresh water of main frame, significantly reduced rubbish later on through the fresh water filter system and entered the probability of main frame freshwater system, after long-term the use, only need to remove filter and clean, just can recycle.After long-term the use,, only intervalve need be disassembled, directly filter be taken out cleaning and both can if need to clean the filter of the inside.It is unique in installation process that what should be noted that is exactly that filter must be consistent with the flow direction of the fresh water circulatory system.
Large diesel engine for ship has used after the filter of the present utility model, can avoid the rubbish that deposits in the circulation fresh water line in the long-term use, the flange gasket cast, waste flow such as water tank sediment are gone into the main frame freshwater system, avoid taking place, prolong the service life of main frame freshwater system because of the phenomenon that the cooling system irregular working causes host performance to descend.
Claims (4)
1. filter that is used for the large diesel engine for ship fresh water line, it is characterized in that, described filter includes preceding reduced flange pipe, intervalve, back reduced flange pipe and filter, the less end connection of diameter fresh water water tank on the reduced flange pipe before described, diameter Shanghai Communications University one end connects intervalve, the bigger end of diameter connects intervalve on the reduced flange pipe of described back, the less end of diameter connects the main frame water inlet manifold, is provided with described filter before described between reduced flange pipe and the intervalve.
2. a kind of filter that is used for the large diesel engine for ship fresh water line according to claim 1 is characterized in that, is provided with paper gasket on the flange connecting before described between reduced flange pipe, intervalve and the back reduced flange pipe.
3. a kind of filter that is used for the large diesel engine for ship fresh water line according to claim 1, it is characterized in that, described filter comprises mounting flange and filter screen, between the flange of the flange of reduced pipe and intervalve, described filter screen was located at the middle part of mounting flange before described mounting flange was located at.
4. a kind of filter that is used for the large diesel engine for ship fresh water line according to claim 3, it is characterized in that, described filter screen is cylindric for band spacer screen face, on spacer screen face and barrel, be equipped with filter opening, the openend of filter screen is connected on the mounting flange, and the cylindric filter screen of filter extend in the described central tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206127821U CN201880427U (en) | 2010-11-18 | 2010-11-18 | Filter device used for fresh water pipelines of marine large-scale diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206127821U CN201880427U (en) | 2010-11-18 | 2010-11-18 | Filter device used for fresh water pipelines of marine large-scale diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201880427U true CN201880427U (en) | 2011-06-29 |
Family
ID=44177951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206127821U Expired - Lifetime CN201880427U (en) | 2010-11-18 | 2010-11-18 | Filter device used for fresh water pipelines of marine large-scale diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201880427U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109011806A (en) * | 2018-08-28 | 2018-12-18 | 广州文冲船厂有限责任公司 | A kind of food tray discharge structure |
-
2010
- 2010-11-18 CN CN2010206127821U patent/CN201880427U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109011806A (en) * | 2018-08-28 | 2018-12-18 | 广州文冲船厂有限责任公司 | A kind of food tray discharge structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110629 |
|
| CX01 | Expiry of patent term |