CN215663959U - High-low-sulfur fuel oil and water treatment system suitable for marine diesel engine - Google Patents
High-low-sulfur fuel oil and water treatment system suitable for marine diesel engine Download PDFInfo
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- CN215663959U CN215663959U CN202121164369.8U CN202121164369U CN215663959U CN 215663959 U CN215663959 U CN 215663959U CN 202121164369 U CN202121164369 U CN 202121164369U CN 215663959 U CN215663959 U CN 215663959U
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Abstract
The utility model discloses a high-low sulfur fuel oil water treatment system suitable for a marine diesel engine, which comprises a high-sulfur fuel oil water treatment system, a low-sulfur fuel oil water treatment system, a buffer tank and a desulfurizing tower, wherein the high-sulfur fuel oil water treatment system comprises a high-sulfur fuel oil water treatment system, a low-sulfur fuel oil water treatment system, a buffer tank and a desulfurizing tower; the buffer tank is communicated with a liquid supply system of the diesel engine; the high-sulfur fuel oil and water treatment system and the low-sulfur fuel oil and water treatment system are also communicated with the buffer tank, and are switched by a change-over valve according to the type of fuel oil; the buffer tank is also connected with a discharge cabinet, and the discharge cabinet is connected with a desulfurizing tower system.
Description
Technical Field
The utility model belongs to the field of high-low sulfur fuel water treatment, and particularly relates to a high-low sulfur fuel water treatment system suitable for a marine diesel engine.
Background
The marine diesel engine is suitable for an exhaust gas recirculation type, different water treatment systems need to be adapted when high-sulfur fuel oil and low-sulfur fuel oil are used, and the water treatment systems are used for purifying and treating marine exhaust gas washing water. At present, the existing system on the market is a single high-sulfur fuel water treatment system and a low-sulfur fuel water treatment system, and the requirement of simultaneously realizing high-low sulfur fuel water treatment cannot be met.
Disclosure of Invention
The utility model aims to design a high-low sulfur fuel oil water treatment system suitable for a marine diesel engine, which is suitable for a marine exhaust gas recirculation type and can share one set of water treatment system when high-sulfur fuel oil and low-sulfur fuel oil are used.
The technical scheme adopted by the utility model is as follows:
a high-low sulfur fuel water treatment system suitable for a marine diesel engine comprises a high-sulfur fuel water treatment system, a low-sulfur fuel water treatment system, a buffer tank and a desulfurizing tower; the system comprises a high-sulfur fuel oil and water treatment system, a low-sulfur fuel oil and water treatment system, a buffer tank and a desulfurizing tower; the buffer tank and an exhaust gas recirculation water treatment system of the diesel engine form a circulation system; the water inlets of the high-sulfur fuel oil water treatment system and the low-sulfur fuel oil water treatment system are connected with the buffer tank, and the water outlet of the high-sulfur fuel oil water treatment system is also connected with the buffer tank; the buffer tank is connected with the discharge cabinet, and the discharge cabinet is connected with the desulfurizing tower system.
In a further technical scheme, a water drain pipe is connected to the low-sulfur fuel oil water treatment system and directly drains water into the sea.
According to the further technical scheme, a control valve is arranged between the buffer tank and the discharge cabinet, when the fuel oil is high-sulfur fuel oil, the control valve is opened, water in the buffer tank enters the discharge cabinet and then enters the desulfurizing tower for desulfurization; when the fuel is low sulfur fuel, the control valve is closed.
As a further technical scheme, the bottoms of the high-sulfur fuel oil and water treatment system and the low-sulfur fuel oil and water treatment system are connected with a residue cabinet.
As a further technical scheme, a control valve is also installed on the water discharge pipe.
As a further technical scheme, the pipelines of the water inlets of the high-sulfur fuel oil and water treatment system and the low-sulfur fuel oil and water treatment system, which are communicated with the buffer tank, are respectively provided with a control valve.
As a further technical scheme, water inlets of the high-sulfur fuel water treatment system and the low-sulfur fuel water treatment system are communicated with the buffer tank through the same main pipeline, and the main pipeline is connected with a change-over valve which is switched according to the type of fuel.
The beneficial effects of the above-mentioned embodiment of the present invention are as follows:
the system simultaneously comprises a high-sulfur fuel water treatment system and a low-sulfur fuel water treatment system, wherein the high-sulfur fuel water treatment system and the low-sulfur fuel water treatment system are communicated with a buffer tank, and according to the type of fuel, the high-sulfur fuel water treatment system and the low-sulfur fuel water treatment system are switched through a change-over valve to ensure that the treated water meets the sea drainage requirement or enters the water treatment system of a desulfurizing tower, so that one set of water treatment system meets the requirements of two fuel modes of a host.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.
FIG. 1 is a schematic view of the overall structure of the present invention;
1 high-sulfur fuel oil water treatment system and low-sulfur fuel oil water treatment system, 2 drain pipes, 3 sodium hydroxide cabinets, 4 buffer tanks, 5 drain cabinets, 6 residue cabinets, 7 desulfurizing tower systems and 8 switching valves.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the utility model as claimed. 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.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the utility model. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the utility model expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
as introduced by the background art, the prior art has defects, and in order to solve the technical problems, the utility model provides a high-low sulfur fuel water treatment system suitable for a marine diesel engine.
In a typical embodiment of the present invention, as shown in fig. 1, the high-low sulfur fuel-oil water treatment system suitable for a marine diesel engine proposed in this embodiment includes a high-sulfur fuel-oil water treatment system, a low-sulfur fuel-oil water treatment system 1, a buffer tank 4, and a desulfurizing tower 7; the buffer tank 4 is communicated with the EGR main machine water treatment system and forms a circulation; the high-sulfur fuel oil water treatment system and the low-sulfur fuel oil water treatment system 1 are also communicated with the buffer tank 4, the buffer tank 4 is also connected with the discharge cabinet 5, and the discharge cabinet 5 is connected with the desulfurizing tower system 7. According to the type of fuel, the high-sulfur fuel water treatment system and the low-sulfur fuel water treatment system are switched by a switching valve 8.
When the fuel oil is low-sulfur fuel oil, the water in the buffer tank 4 enters a low-sulfur fuel oil water treatment system for treatment and can be directly discharged into seawater; when the fuel oil is high-sulfur fuel oil, water in the buffer tank 4 enters the high-sulfur fuel oil water treatment system for treatment, then returns to the buffer tank 4 again, then enters the discharge cabinet 5 connected with the buffer tank 4, enters the desulfurizing tower system 7 through the discharge cabinet 5 for desulfurization, and finally is discharged to the sea.
The system in the embodiment realizes that the treated water meets the sea discharge requirement or enters the water treatment system of the desulfurizing tower according to the type of the fuel oil selected by the marine diesel engine when the marine diesel engine is suitable for the exhaust gas recirculation system, such as low-sulfur fuel oil or high-sulfur fuel oil, and the high-sulfur fuel oil water treatment system and the low-sulfur fuel oil water treatment system operate corresponding high-sulfur and low-sulfur systems according to the corresponding fuel oil.
In a further technical scheme, a water discharge pipe 2 is connected to the low-sulfur fuel oil water treatment system, and the water is directly discharged to the sea through the water discharge pipe 2. Preferably, the drain pipe is also provided with a control valve, and the control valve controls whether to drain water or not.
As a further technical scheme, the pipelines of the water inlets of the high-sulfur fuel oil water treatment system and the low-sulfur fuel oil water treatment system which are communicated with the buffer tank are respectively provided with a control valve for controlling whether to start the corresponding systems.
According to the further technical scheme, a control valve is arranged between the buffer tank 4 and the discharge cabinet 5, when the fuel oil is high-sulfur fuel oil, the control valve is opened, water in the buffer tank enters the discharge cabinet and then enters the desulfurizing tower for desulfurization; when the fuel is low sulfur fuel, the control valve is closed.
As a further technical scheme, the bottoms of the high-sulfur fuel water treatment system and the low-sulfur fuel water treatment system are both connected with a residuum cabinet, and it should be noted that the high-sulfur fuel water treatment system and the low-sulfur fuel water treatment system in the system can share one residuum cabinet or can be respectively connected with one residuum cabinet.
Furthermore, the EGR host water treatment system comprises a box body, a supply pump and a dosing pump are arranged in the box body, the dosing pump is communicated with the sodium hydroxide cabinet, and the buffer tank and the EGR host water treatment system form a circulating system through the supply pump.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A high-low sulfur fuel oil water treatment system suitable for a marine diesel engine is characterized by comprising a high-sulfur fuel oil water treatment system, a low-sulfur fuel oil water treatment system, a buffer tank and a desulfurizing tower; the buffer tank and an exhaust gas recirculation water treatment system of the diesel engine form a circulation system; the water inlets of the high-sulfur fuel oil water treatment system and the low-sulfur fuel oil water treatment system are connected with the buffer tank, and the water outlet of the high-sulfur fuel oil water treatment system is also connected with the buffer tank; the buffer tank is connected with the discharge cabinet, and the discharge cabinet is connected with the desulfurizing tower system.
2. The high-low sulfur fuel water treatment system suitable for the marine diesel engine according to claim 1, wherein a water outlet of the low-sulfur fuel water treatment system is connected with a water drain pipe, and the water drain pipe directly drains water into the sea.
3. The high-low sulfur fuel water treatment system suitable for the marine diesel engine as claimed in claim 1, wherein a control valve is installed between the buffer tank and the discharge tank.
4. The high-low sulfur fuel water treatment system suitable for the marine diesel engine according to claim 1, wherein a residue tank is connected to the bottom of each of the high-sulfur fuel water treatment system and the low-sulfur fuel water treatment system.
5. The high and low sulfur fuel water treatment system suitable for marine diesel engine according to claim 2, wherein the drain pipe is also provided with a control valve.
6. The high-low sulfur fuel water treatment system suitable for the marine diesel engine as claimed in claim 1, wherein a control valve is respectively arranged on the pipelines of the water inlets of the high-sulfur fuel water treatment system and the low-sulfur fuel water treatment system communicated with the buffer tank.
7. The high-low sulfur fuel water treatment system suitable for the marine diesel engine according to claim 1, wherein the water inlets of the high-sulfur fuel water treatment system and the low-sulfur fuel water treatment system are communicated with the buffer tank through the same main pipe, and a change-over valve is connected to the main pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121164369.8U CN215663959U (en) | 2021-05-27 | 2021-05-27 | High-low-sulfur fuel oil and water treatment system suitable for marine diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121164369.8U CN215663959U (en) | 2021-05-27 | 2021-05-27 | High-low-sulfur fuel oil and water treatment system suitable for marine diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215663959U true CN215663959U (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121164369.8U Active CN215663959U (en) | 2021-05-27 | 2021-05-27 | High-low-sulfur fuel oil and water treatment system suitable for marine diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215663959U (en) |
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2021
- 2021-05-27 CN CN202121164369.8U patent/CN215663959U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266520 No. 501 Lijiang East Road, Huangdao District, Qingdao, Shandong Patentee after: China Shipbuilding Industry Corporation Diesel ENGINE Co.,Ltd. Address before: 266520 No. 501 Lijiang East Road, Huangdao District, Qingdao, Shandong Patentee before: CHINA SHIPBUILDING INDUSTRY CORPORATION DIESEL ENGINE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |