CN214198747U - Oil supply device of marine burner - Google Patents
Oil supply device of marine burner Download PDFInfo
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- CN214198747U CN214198747U CN202023008582.8U CN202023008582U CN214198747U CN 214198747 U CN214198747 U CN 214198747U CN 202023008582 U CN202023008582 U CN 202023008582U CN 214198747 U CN214198747 U CN 214198747U
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Abstract
The utility model discloses an oil supply unit of marine combustor, include: the diesel tank comprises a heavy oil tank, a gasoline tank and a diesel oil tank, wherein a diesel oil tank output pipe and a heavy oil tank output pipe are both connected to a first oil inlet three-way valve, the first oil inlet three-way valve is connected with a first conveying pipe, a first conveying pump is arranged on the first conveying pipe, the first conveying pipe is connected with a combustor oil inlet pipe, and a diesel oil tank oil return pipe and the heavy oil tank oil return pipe are connected with a combustor oil return pipe through a first oil return three-way valve; a first backpressure valve is arranged between the first delivery pipe and the first oil return pipe; the gasoline tank output pipe is connected with the second delivery pipe, a second delivery pump is arranged on the second delivery pipe, the second delivery pipe is connected with the combustor oil inlet pipe, the input end of the second delivery pipe is connected with a second oil return pipe, the second oil return pipe is connected to the combustor oil return pipe, and a second back pressure valve is arranged between the second delivery pipe and the second oil return pipe. The utility model has the advantages that: the pressure in the oil inlet connecting pipe is stable, so that the combustion stability of the combustor is good.
Description
Technical Field
The utility model relates to a marine combustor technical field.
Background
The oil supply device of a marine burner generally comprises: the heavy oil tank is connected with a heavy oil conveying pipe and a heavy oil return pipe, the combustor is provided with a combustor oil inlet interface and a combustor oil return interface, the heavy oil conveying pipe is connected to the combustor oil inlet interface, the heavy oil conveying pipe is provided with the heavy oil pump, and the combustor oil return interface is connected with the heavy oil return pipe.
The oil supply device is simple, but has the following technical problems: firstly, as the marine environment management becomes stricter and stricter, the combustor needs to burn different fuels in different sea areas to meet the emission regulations in different sea areas, and obviously, the oil supply device only using heavy oil as fuel cannot meet the requirements. Secondly, the pipeline pressure is unstable, thereby affecting the combustion efficiency. And thirdly, from the heavy oil tank to the combustor, the pipeline is relatively long, and the overhaul and the installation are inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: provided is an oil supply device for a marine burner, which can supply two fuels, heavy oil and gasoline, and which is stable in pressure of an oil supply line.
In order to achieve the above object, the utility model adopts the following technical scheme: oil supply device for a marine burner, comprising: the device comprises a heavy oil tank, wherein a heavy oil tank output pipe with a valve and a heavy oil tank return pipe with a valve are arranged on the heavy oil tank, a combustor oil inlet pipe and a combustor return pipe are arranged at the end part of the combustor, the device also comprises the gasoline tank and a diesel tank, the gasoline tank is provided with a gasoline tank output pipe with a valve, the diesel tank is provided with a diesel tank output pipe with a valve and a diesel tank return pipe with a valve, the diesel tank output pipe and the heavy oil tank output pipe are both connected to a first oil inlet three-way valve, the first oil inlet three-way valve is connected with a first conveying pipe, the first conveying pipe is provided with a first conveying pump, the first conveying pipe is connected with the combustor oil inlet pipe, the diesel tank return pipe and the heavy oil tank return pipe are both connected to a first oil return three-way valve, the first oil return three-way valve is connected with a first oil return pipe, and the first oil return pipe is connected with the combustor return pipe; a first back pressure valve is arranged between the first delivery pipe close to the combustor and the first oil return pipe; the gasoline tank output pipe is connected with the input end of a second conveying pipe, a second conveying pump is arranged on the second conveying pipe, the second conveying pipe is connected with the combustor oil inlet pipe, the input end of the second conveying pipe is connected with a second oil return pipe, the second oil return pipe is connected to the combustor oil return pipe, and a second back pressure valve is arranged between the second conveying pipe close to the combustor and the second oil return pipe.
Further, aforementioned oil supply unit of marine combustor, wherein, first conveyer pipe and second conveyer pipe all are connected to the second oil feed three-way valve, and the second oil feed three-way valve is connected with combustor oil inlet pipe through the oil feed takeover.
Furthermore, in the oil supply device for a marine combustor, an input end of the first oil return pipe and an input end of the second oil return pipe are both connected to a second oil return three-way valve, and the second oil return three-way valve is connected to the combustor oil return pipe through an oil return connection pipe.
Further, according to the oil supply device of the marine combustor, two first delivery pumps are arranged on the first delivery pipe and are arranged in parallel.
Furthermore, in the oil supply device for the marine burner, two second delivery pumps are arranged on the second delivery pipe, and the two second delivery pumps are arranged in parallel.
Further, the oil supply device for a marine combustor is described, wherein the first delivery pump is disposed in a first pumping module disposed in the first delivery pipe; the second delivery pump is arranged in a second pumping module, and the second pumping module is arranged in a second delivery pipe; first backpressure valve, second oil feed three-way valve, oil feed takeover, second oil return three-way valve, oil return takeover all set up in switching control module, switching control module with first conveyer pipe, second conveyer pipe, first oil return pipe, second oil return pipe, combustor advance oil pipe and combustor oil return pipe and be connected.
The utility model has the advantages that: one, the other is provided with a gasoline tank, thereby providing another fuel for the combustion of the burner to meet the emission requirements of different sea areas. And meanwhile, the diesel oil tank is arranged, so that before the heavy oil is switched to gasoline, the heavy oil in the pipeline can be flushed, the heavy oil flows back to the heavy oil tank, and the heavy oil is prevented from cooling and accumulating to block the pipeline. When heavy oil is combusted, the whole oil supply pipeline of the heavy oil outside the combustor is circulated, so that the phenomenon that the heavy oil is deposited due to cooling in a pipeline between the combustor and a heavy oil tank is avoided, and the ignition success rate and the combustion efficiency of the combustor are effectively improved. And thirdly, the arrangement of the first back pressure valve and the second back pressure valve effectively stabilizes the conveying pressure in the oil inlet connecting pipe, thereby improving the combustion stability of the combustor. And because the viscosity of the heavy oil and the viscosity of the gasoline are different, the pressure of the back pressure valve can be respectively adjusted, so that the pressure in the oil inlet connecting pipe can be respectively maintained at the conveying pressure suitable for the heavy oil and the gasoline, and the combustor can stably work when the heavy oil and the gasoline are combusted.
Drawings
Fig. 1 is a schematic view of an oil supply device of a marine burner according to the present invention.
Detailed Description
The invention will be described in further detail with reference to the drawings and preferred embodiments.
As shown in fig. 1, the oil supply apparatus for a marine burner includes: heavy oil tank 1, gasoline tank 3 and diesel tank 4. The heavy oil tank 1 is provided with a heavy oil tank output pipe 101 with a first stop check valve 1011 and a heavy oil tank oil return pipe 102 with a valve; one end of the combustor 2 is provided with a combustor oil inlet pipe 21 and a combustor oil return pipe 22; the gasoline tank 3 is provided with a gasoline tank outlet pipe 31 having a third stop check valve 311, and the diesel tank 4 is provided with a diesel tank outlet pipe 41 having a second stop check valve 411 and a diesel tank return pipe 42 having a valve.
The diesel tank output pipe 41 and the heavy oil tank output pipe 101 are both connected to a first oil inlet three-way valve 5, the first oil inlet three-way valve 5 is connected with a first delivery pipe 6, a first delivery pump 61 is arranged on the first delivery pipe 6, and the first delivery pipe 6 is connected with the combustor oil inlet pipe 21. In order to improve the conveying power, in the present embodiment, two first conveying pumps 61 are provided on the first conveying pipe 6, and the two first conveying pumps 61 are provided in parallel.
The diesel tank oil return pipe 42 and the heavy oil tank oil return pipe 102 are both connected to the first oil return three-way valve 7, the first oil return pipe 8 is connected to the first oil return three-way valve 7, and the first oil return pipe 8 is connected to the burner oil return pipe 22. A first backpressure valve 9 is arranged between the first delivery pipe 6 close to the burner 2 and the first return pipe 8 close to the burner 2.
The gasoline tank output pipe 31 is connected with the input end of the second conveying pipe 10, the second conveying pipe 10 is provided with a second conveying pump 15, in order to improve conveying power, the second conveying pipe 10 is provided with two second conveying pumps 15, and the two second conveying pumps 15 are arranged in parallel. The second delivery pipe 10 is connected to a burner oil inlet pipe 21. The input end of the second delivery pipe 10 is connected with a second oil return pipe 11, and the second oil return pipe 11 is connected to a burner oil return pipe 22. A second back pressure valve 12 is provided between the second delivery pipe 10 close to the burner 2 and the second return pipe 11 close to the burner 2.
In this embodiment, in order to simplify the pipe connection, the first delivery pipe 6 and the second delivery pipe 10 are both connected to the second oil inlet three-way valve 13, and the second oil inlet three-way valve 13 is connected to the combustor oil inlet pipe 21 through the oil inlet connection pipe 131.
In this embodiment, the input end of the first oil return pipe 8 and the input end of the second oil return pipe 11 are both connected to the second oil return three-way valve 14, and the second oil return three-way valve 14 is connected to the burner oil return pipe 22 through the oil return connection pipe 141.
In this embodiment, the switching actions of the second oil inlet three-way valve 13 and the second oil return three-way valve 14 are performed synchronously to ensure that heavy oil or diesel oil flows back through the first oil return pipe 8 and gasoline flows back through the second oil return pipe 11 when fuel oil is switched.
For ease of installation and servicing, the first delivery pump 61 is disposed in the first pumping module 100, and the first pumping module 100 is disposed in the first delivery pipe 6. The second delivery pump 15 is arranged in a second pumping module 200, and the second pumping module 200 is arranged in a second delivery pipe 10. The first back pressure valve 9, the second back pressure valve 12, the second oil inlet three-way valve 13, the oil inlet connecting pipe 131, the second oil return three-way valve 14 and the oil return connecting pipe 141 are all integrated in a switching control module 300, and the switching control module 300 is connected with the first delivery pipe 6, the second delivery pipe 10, the first oil return pipe 8, the second oil return pipe 11, the combustor oil inlet pipe 21 and the combustor oil return pipe 22.
When burning heavy oil, the heavy oil in the heavy oil tank 1 is pumped by the two first delivery pumps 61 in the first pumping module 100, and then sequentially passes through the heavy oil tank output pipe 101, the first oil inlet three-way valve 5, the first delivery pipe 6, the first pumping module 100, and then enters the combustor 2 through the second oil inlet three-way valve 13, the oil inlet connecting pipe 131 and the combustor oil inlet pipe 21 in the switching control module 300 to be burned. A part of the heavy oil in the combustor 2 flows back to the heavy oil tank 1 through the combustor oil return pipe 22, the oil return connection pipe 141 in the switching control module 300, the second oil return three-way valve 14 and the first oil return pipe 8, and thus the heavy oil is continuously circulated. Because of the high viscosity of the heavy oil, the circulation can effectively prevent the heavy oil from cooling and accumulating in the pipeline, thereby ensuring the efficient combustion of the combustor 2. The first backpressure valve 9 is arranged, so that a part of heavy oil in the first delivery pipe 6 directly flows into the first oil return pipe 8 through the first backpressure valve 9, the pressure in the oil inlet connecting pipe 131 is increased, the first backpressure valve 9 acts to increase the flow rate of the heavy oil pumped by the first delivery pump 61 and directly flows into the first oil return pipe 8 through the first backpressure valve 9, and therefore the first backpressure valve 9 plays a role in effectively stabilizing the pressure in the oil inlet connecting pipe 131, and the combustion stability of the combustor 2 is effectively improved.
When heavy oil combustion is required to be switched to gasoline combustion, the first oil inlet three-way valve 5 is switched to a diesel oil output pipe. Diesel oil in the diesel tank 4 enters the combustor 2 through the diesel tank output pipe 41, the first oil inlet three-way valve 5, the first delivery pipe 6, the first pumping module 100, and then the second oil inlet three-way valve 13, the oil inlet connecting pipe 131 and the combustor oil inlet pipe 21 in the switching control module 300 for combustion. Another part of diesel oil in the combustor 2 flows back through the combustor oil return pipe 22, the oil return connection pipe 141 in the switching control module 300, the second oil return three-way valve 14 and the first oil return pipe 8, so that the pipeline is cleaned, and heavy oil residue in the pipeline is prevented from being cooled to form siltation. The residual heavy oil in the pipeline flows back to the heavy oil tank 1 through the first oil return pipe 8 and the heavy oil tank oil return pipe 102. The diesel oil is returned to the diesel oil tank 4 through the first oil return pipe 8 and the diesel oil tank oil return pipe 42. The heavy oil can flow back to the heavy oil tank 1 by controlling the first oil return three-way valve 7, and after about 3-5 minutes, the return oil is transferred to the diesel tank return pipe 42, so that the residual heavy oil is ensured to pollute the diesel tank 4.
The diesel flush is complete, the transfer pump 61 is stopped, and the second transfer pump 15 is started. The gasoline in the gasoline tank 3 passes through the gasoline tank output pipe 31 and the second delivery pumps 15, and then sequentially passes through the second delivery pipe 10 and the second pumping module 200, and then enters the combustor 2 for combustion through the second oil inlet three-way valve 13, the oil inlet connecting pipe 131 and the combustor oil inlet pipe 21 in the switching control module 300. The other part of the gasoline in the combustor 2 flows back to the input end of the second delivery pipe 10 through the combustor oil return pipe 22, the oil return connection pipe 141 in the switching control module 300, the second oil return three-way valve 14 and the second oil return pipe 11, so as to circulate continuously. The second back pressure valve 12 also plays a role in stabilizing the pressure in the oil inlet connecting pipe 131, so that the combustion stability of the combustor is effectively improved.
The utility model has the advantages that: firstly, a gasoline tank 3 is arranged to provide another fuel for the combustion of the combustor 2 so as to meet the emission requirements of different sea areas. And meanwhile, the diesel oil tank 4 is arranged, so that the heavy oil in the pipeline can be flushed and returned to the heavy oil tank 1 before the heavy oil is switched to gasoline, and the heavy oil is prevented from cooling and accumulating to block the pipeline. When heavy oil is combusted, the heavy oil circulates in the whole oil supply pipeline except the combustor 2, so that the phenomenon that the heavy oil is deposited due to cooling in the pipeline between the combustor 2 and the heavy oil tank 1 is avoided, and the combustion efficiency and the combustion stability of the combustor 2 are effectively improved. And thirdly, the arrangement of the first backpressure valve 9 and the second backpressure valve 12 effectively stabilizes the conveying pressure in the oil inlet connecting pipe 131, thereby improving the combustion stability of the combustor 2. Moreover, because the viscosity of the heavy oil and the viscosity of the gasoline are different, the pressure of the back pressure valve can be respectively adjusted, so that the pressure in the oil inlet connecting pipe 131 is respectively maintained under the conveying pressure suitable for the heavy oil and the gasoline, and the combustor 2 can stably work when the heavy oil and the gasoline are combusted.
Claims (6)
1. Oil supply device for a marine burner, comprising: the heavy oil tank is provided with the heavy oil tank output tube of taking the valve and the heavy oil tank oil return pipe of taking the valve on the heavy oil tank, and the tip of combustor is provided with combustor oil inlet pipe and combustor oil return pipe, its characterized in that: the diesel tank is provided with a gasoline tank output pipe with a valve, the diesel tank is provided with a diesel tank output pipe with a valve and a diesel tank oil return pipe with a valve, the diesel tank output pipe and the heavy oil tank output pipe are both connected to a first oil inlet three-way valve, the first oil inlet three-way valve is connected with a first conveying pipe, the first conveying pipe is provided with a first conveying pump, the first conveying pipe is connected with a combustor oil inlet pipe, the diesel tank oil return pipe and the heavy oil tank oil return pipe are both connected to a first oil return three-way valve, the first oil return three-way valve is connected with a first oil return pipe, and the first oil return pipe is connected with the combustor oil return pipe; a first back pressure valve is arranged between the first delivery pipe close to the combustor and the first oil return pipe; the gasoline tank output pipe is connected with the input end of a second conveying pipe, a second conveying pump is arranged on the second conveying pipe, the second conveying pipe is connected with the combustor oil inlet pipe, the input end of the second conveying pipe is connected with a second oil return pipe, the second oil return pipe is connected to the combustor oil return pipe, and a second back pressure valve is arranged between the second conveying pipe close to the combustor and the second oil return pipe.
2. The fueling apparatus for the marine burner as set forth in claim 1, wherein: the first conveying pipe and the second conveying pipe are connected to a second oil inlet three-way valve, and the second oil inlet three-way valve is connected with an oil inlet pipe of the combustor through an oil inlet connecting pipe.
3. The fueling apparatus for the marine burner as set forth in claim 2, wherein: the input end of the first oil return pipe and the input end of the second oil return pipe are both connected to a second oil return three-way valve, and the second oil return three-way valve is connected with the combustor oil return pipe through an oil return connecting pipe.
4. The oil supply apparatus of a marine burner according to claim 1, 2 or 3, wherein: two first delivery pumps are arranged on the first delivery pipe and are arranged in parallel.
5. The oil supply apparatus of a marine burner according to claim 1, 2 or 3, wherein: two second delivery pumps are arranged on the second delivery pipe and are arranged in parallel.
6. The fueling apparatus for marine burner as set forth in claim 3, wherein: the first delivery pump is arranged in a first pumping module, and the first pumping module is arranged in a first delivery pipe; the second delivery pump is arranged in a second pumping module, and the second pumping module is arranged in a second delivery pipe; first backpressure valve, second oil feed three-way valve, oil feed takeover, second oil return three-way valve, oil return takeover all set up in switching control module, switching control module with first conveyer pipe, second conveyer pipe, first oil return pipe, second oil return pipe, combustor advance oil pipe and combustor oil return pipe and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023008582.8U CN214198747U (en) | 2020-12-15 | 2020-12-15 | Oil supply device of marine burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023008582.8U CN214198747U (en) | 2020-12-15 | 2020-12-15 | Oil supply device of marine burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214198747U true CN214198747U (en) | 2021-09-14 |
Family
ID=77653283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023008582.8U Active CN214198747U (en) | 2020-12-15 | 2020-12-15 | Oil supply device of marine burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214198747U (en) |
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2020
- 2020-12-15 CN CN202023008582.8U patent/CN214198747U/en active Active
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