CN212672127U - Marine compressed air system - Google Patents
Marine compressed air system Download PDFInfo
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- CN212672127U CN212672127U CN202020949857.9U CN202020949857U CN212672127U CN 212672127 U CN212672127 U CN 212672127U CN 202020949857 U CN202020949857 U CN 202020949857U CN 212672127 U CN212672127 U CN 212672127U
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Abstract
The utility model relates to a marine compressed air system, including two air compressors, the output of two air compressors is all responsible for through first air and is linked to each other with the initiative air bottle that starts, the initiative is started the air bottle output and is responsible for and carry compressed air to the host computer and provide the air supply through connecting the second air, the second air is responsible for and is gone up to be connected outward and has the third air to be responsible for and communicate with each other, installs the air relief pressure valve on this third air is responsible for, and its tip extends to the sea water incasement, install the deareator on the first air is responsible for, through two air compressor machine work with air compression to carry respectively to the host computer drive and to the sea water incasement, can effectively prevent again that the sea water incasement from freezing when providing the air supply.
Description
Technical Field
The utility model relates to a marine compressed air system.
Background
The compressed air system for the ship in the prior art generally comprises two independent subsystems, wherein one subsystem is an SCR compressed air subsystem and is used for providing compressed air for injection, compressed air for blowing and compressed air for ventilation which are needed by an SCR system of a main engine; the other subsystem is a pneumatic control compressed air subsystem which provides compressed air for controlling some elements needing pneumatic control, such as a sea water tank, and the sea water tank is required to be filled with compressed air or steam to freeze because the sea water tank is easy to freeze to influence normal navigation when the sea water tank is navigated in a polar region; the two subsystems respectively use independent compressors, and the two air sources are mutually independent and are not connected with each other. It has the problems that: on one hand, the two independent subsystems are adopted, the implementation cost is high, on the other hand, when the system fails, the two independent subsystems cannot be mutually repaired and emergent, and the safety and the reliability are poor.
SUMMERY OF THE UTILITY MODEL
In view of the not enough of prior art, the utility model aims to solve the technical problem that a marine compressed air system is provided, not only reduce cost, safety and stability moreover.
In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a marine compressed air system, is including two air compressors, and the output of two air compressors is all responsible for through first air and is linked to each other with the initiative air bottle that starts, the initiative is started the air bottle output and is responsible for and carry compressed air to the host computer and provide the air supply through connecting the second air, the second air is responsible for and is gone up to be connected outward and has the third air to be responsible for and communicate with each other, and this third air is responsible for and is installed the air relief pressure valve, and its tip extends to the sea water tank in, install the deareator on the first air is responsible for.
Furthermore, the number of the active starting air bottles is two, namely a first active starting air bottle and a second active starting air bottle, and the end part of the first air main pipe is branched into two first air branch pipes which are respectively connected with the two active starting air bottles; the output ends of the two active starting air bottles are respectively communicated with the second air main pipe through two second air branch pipes.
Further, a gas-water separator and a first air signal safety valve are respectively installed on the first air main pipe along the conveying direction of the first air main pipe, and redundant moisture is discharged from the gas-water separator through a water conveying pipe and a valve.
Furthermore, a stop valve, an air pressure reducing valve and a check valve are respectively arranged on the third air main pipe along the conveying direction of the third air main pipe to form a pressure reducing assembly, a fourth air main pipe is connected beside the pressure reducing assembly in parallel, and a second air safety valve and a pressure gauge are arranged at the position, close to the output end, of the third air main pipe.
Furthermore, a flange cast steel stop check valve is installed on the fourth air main pipe, the seawater tank comprises a left seawater tank and a right seawater tank, and the third air main pipe is branched into two third air branch pipes at the output end of the third air main pipe and is respectively communicated with the left seawater tank and the right seawater tank.
Furthermore, the output ends of the two air compressors are respectively provided with an external thread bronze stop check valve.
Compared with the prior art, the utility model discloses following beneficial effect has: through the design of the second air main pipe and the third air main pipe in a mutual-communicating way, two independent subsystems are avoided, the pipeline arrangement and equipment are simplified, the cost is greatly reduced, the occupied space is reduced, and the precious space in the ship is saved; the design of fourth air is responsible for will provide emergent pipeline for the pressure reduction unit, will improve the safety and stability of overall system.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
In the figure: 1-air compressor, 2-first air main pipe, 3-active starting air bottle, 4-second air main pipe, 5-main machine, 6-third air main pipe, 8-seawater tank, 9-air-water separator, 10-first active starting air bottle, 11-second active starting air bottle, 12-first air branch pipe, 13-second air branch pipe, 14-first air signal safety valve, 15-water pipe, 16-valve, 17-stop valve, 18-air pressure reducing valve, 19-check valve, 20-fourth air main pipe, 21-second air safety valve, 22-pressure gauge, 23-flanged cast steel stop check valve, 24-left seawater tank, 25-right seawater tank, 26-third air branch pipe, 27-external thread bronze stop check valve.
Detailed Description
In order to make the aforementioned and other features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1, a marine compressed air system comprises two air compressors 1, the output ends of the two air compressors are connected with an active starting air bottle 3 through a first air main pipe 2, the output end of the active starting air bottle is connected with a second air main pipe 4 to convey compressed air to a host 5 to provide an air source, the second air main pipe is externally connected with a third air main pipe 6 and communicated with the third air main pipe, an air pressure reducing valve is installed on the third air main pipe, the end part of the third air main pipe extends into a seawater tank 8, an air-water separator 9 is installed on the first air main pipe, and the two air compressors and the two active starting air bottles are designed, that is, when one of the two air compressors fails, the other air compressor can continuously work, and the conveying stability and emergency capacity of the two air compressors are guaranteed.
In the embodiment of the present invention, there are two active starting air bottles, which are a first active starting air bottle 10 and a second active starting air bottle 11, respectively, and the first air main pipe branches into two first air branch pipes 12 at its end portion, which are connected to the two active starting air bottles, respectively; the output ends of the two active starting air bottles are respectively communicated with the second air main pipe through two second air branch pipes 13.
The embodiment of the utility model provides an in, air-water separator and first air signal relief valve 14 are installed respectively to first air main pipe along its direction of delivery, the limit value that first air signal relief valve was set for is 3.2Mpa, discharge unnecessary moisture through raceway 15 and valve 16 in the air-water separator, external screw thread bronze stop valve is chooseed for use to this valve.
In the embodiment of the present invention, the output end of the third air main pipe is not limited to provide compressed air for the seawater tank, but may be replaced by other pneumatic elements such as a pneumatic motor to provide compressed air for control.
In the embodiment of the present invention, a stop valve 17, an air pressure reducing valve 18 and a check valve 19 are respectively installed on the third air main pipe along the conveying direction thereof to form a pressure reducing assembly, the stop valve is a flange cast steel stop check valve, and the check valve is a flange cast steel stop check valve; a fourth air main pipe 20 is connected in parallel beside the pressure reducing assembly, a second air safety valve 21 and a pressure gauge 22 are installed on the third air main pipe close to the output end, and the set limit value of the second air safety valve is 0.44 Mpa; the design of fourth air is responsible for will provide emergent pipeline for the pressure reduction unit, guarantees overall system's safety and stability nature.
In the embodiment of the present invention, the flange cast steel stop check valve 23 is installed on the fourth air main pipe, the sea water tank includes a left sea water tank 24 and a right sea water tank 25, the third air main pipe is branched at its output end into two third air branch pipes 26 respectively communicated with the left sea water tank and the right sea water tank, and the flange cast steel stop check valve is installed on the third air branch pipes.
The embodiment of the utility model provides an in, external screw thread bronze stop check valve 27 is all installed to two air compressor machine outputs.
The embodiment of the utility model provides an in, the nominal diameter of different pipelines is also different, first air is responsible for and all chooses DN15 with first air branch pipe for use, and the second air branch pipe is DN25, and the second air is responsible for and is DN40, and the third air is responsible for and is DN25 with the fourth air, and the third air branch pipe is DN 20.
The present invention is not limited to the above preferred embodiments, and any one can derive other various forms of compressed air systems for ships according to the teaching of the present invention. All the equivalent changes and modifications made according to the claims of the present invention shall fall within the scope of the present invention.
Claims (6)
1. A compressed air system for a ship, characterized in that: including two air compressors, the output of two air compressors all is responsible for through first air and is linked to each other with the initiative air bottle that starts, the initiative starts the air bottle output and is responsible for and carry compressed air to the host computer and provide the air supply through connecting the second air, the second air is responsible for and is gone up to be connected outward and has the third air to be responsible for and communicate with each other, installs the air relief pressure valve on this third air is responsible for, and the third air is responsible for in the tip extends to the sea water tank, install the deareator on the first air is responsible for.
2. A compressed air system for a ship according to claim 1, wherein: the two active starting air bottles are respectively a first active starting air bottle and a second active starting air bottle, and the end part of the first air main pipe is branched into two first air branch pipes which are respectively connected with the two active starting air bottles; the output ends of the two active starting air bottles are respectively communicated with the second air main pipe through two second air branch pipes.
3. A compressed air system for a ship according to claim 2, characterized in that: the first air main pipe is respectively provided with a gas-water separator and a first air signal safety valve along the conveying direction, and redundant moisture is discharged from the gas-water separator through a water conveying pipe and a valve.
4. A compressed air system for a ship according to claim 1, wherein: and a stop valve, an air pressure reducing valve and a check valve are respectively arranged on the third air main pipe along the conveying direction of the third air main pipe to form a pressure reducing assembly, a fourth air main pipe is connected beside the pressure reducing assembly in parallel, and a second air safety valve and a pressure gauge are arranged at the position, close to the output end, of the third air main pipe.
5. A compressed air system for a ship according to claim 4, wherein: the fourth air main pipe is provided with a flange cast steel stop check valve, the seawater tank comprises a left seawater tank and a right seawater tank, and the output end of the third air main pipe is branched into two third air branch pipes which are respectively communicated with the left seawater tank and the right seawater tank.
6. A compressed air system for a ship according to claim 1, wherein: and the output ends of the two air compressors are both provided with external thread bronze stop check valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020949857.9U CN212672127U (en) | 2020-05-29 | 2020-05-29 | Marine compressed air system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020949857.9U CN212672127U (en) | 2020-05-29 | 2020-05-29 | Marine compressed air system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212672127U true CN212672127U (en) | 2021-03-09 |
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ID=74812641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020949857.9U Expired - Fee Related CN212672127U (en) | 2020-05-29 | 2020-05-29 | Marine compressed air system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212672127U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115468107A (en) * | 2022-09-15 | 2022-12-13 | 中国船舶集团有限公司第七0八研究所 | Ship starting air quantitative supply system |
-
2020
- 2020-05-29 CN CN202020949857.9U patent/CN212672127U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115468107A (en) * | 2022-09-15 | 2022-12-13 | 中国船舶集团有限公司第七0八研究所 | Ship starting air quantitative supply system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210309 Termination date: 20210529 |
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| CF01 | Termination of patent right due to non-payment of annual fee |