CN214131076U - Energy-saving system of ship desulfurization device - Google Patents
Energy-saving system of ship desulfurization device Download PDFInfo
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- CN214131076U CN214131076U CN202120004416.6U CN202120004416U CN214131076U CN 214131076 U CN214131076 U CN 214131076U CN 202120004416 U CN202120004416 U CN 202120004416U CN 214131076 U CN214131076 U CN 214131076U
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Abstract
The utility model discloses an energy-saving system of a ship desulfurization device, which comprises a water turbine, a variable frequency motor and a gear box; the water turbine is arranged in a waste water pipeline, and the waste water pipeline is communicated with a waste water collecting port of the washing tower; the hydraulic turbine has hydraulic turbine output shaft, and inverter motor has inverter motor output shaft, and hydraulic turbine output shaft, inverter motor output shaft connect the gear box respectively, and the gear box passes through the transmission shaft and connects the sea water pump, and transmission shaft and sea water pump synchronous drive. This novel a large amount of potential energy that utilizes washing waste water to contain, the energy of production can be used to drive the sea water pump and do work to the electric energy that sea water pump sent the sea water to the scrubbing tower consumed has been saved. And the output power of the water turbine and the variable frequency motor is jointly transmitted to the seawater pump through the transmission shaft, so that the driving power of the seawater pump is achieved, the consumption of the seawater pump on ship fuel oil is reduced, the emission of ship pollutants is reduced, and energy conservation and emission reduction are realized.
Description
Technical Field
The utility model relates to an economizer system especially relates to a boats and ships desulphurization unit economizer system.
Background
Ocean freight transportation has the advantages of large transportation volume, low transportation cost and strong applicability to cargos, occupies a large proportion in the world freight transportation, and the quantity of ships serving as transportation carriers is increased day by day along with the continuous development of international trade. At present, 99% of main power devices of ships adopt diesel engines, the diesel engines mainly use low-price heavy oil as fuel oil, and although the cost is saved, the heavy oil can generate a large amount of SOx and NOx by burning. For this International Maritime Organization (IMO) regulation, the sulfur content in exhaust gas from ships in the world is not more than 0.5% from 1/2020, and in order to meet this regulation, effective desulfurization methods are being sought in various countries.
At present, shipowners mainly adopt three measures of burning low-sulfur fuel oil, using alternative fuel Liquefied Natural Gas (LNG) and installing desulfurization equipment on ships, and the low-sulfur fuel is expensive, so that the process of using LNG as the ship fuel is complex, the requirement on the equipment is high, and the sulfur content in waste gas is reduced mainly by adopting a method for installing the desulfurization equipment at present.
The open system mainly refers to a seawater washing method, the weak alkalinity of seawater is utilized, the seawater is pumped into a washing tower to directly wash waste gas, SOx in the waste gas is absorbed, the reacted waste liquid can be directly discharged into the sea after being detected to be qualified, and the treated waste gas is directly discharged into the atmosphere.
However, the open desulfurization system has problems in that seawater is continuously refreshed to ensure desulfurization efficiency because seawater for scrubbing exhaust gas is weakly alkaline and has a limited SOx absorption capacity. The washing tower is arranged near the smoke exhaust pipe, the installation position is very high, the seawater supply pump has a large lift, and in addition, the seawater flow is very large, so the power consumption of the open desulfurization is large, the power consumption of a diesel engine is increased, and the power consumption promotes ships to generate more waste gas and sulfur oxides to a certain extent.
Therefore, it is needed to provide an energy-saving system for a ship desulfurization device, which reduces the diesel power consumption of a seawater supply pump, further reduces the exhaust emission of a ship, and realizes energy saving and environmental protection.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides an energy-saving system of a ship desulfurization device.
In order to solve the technical problem, the utility model discloses a technical scheme is: an energy-saving system of a ship desulfurization device is arranged on the basis of a washing tower and a seawater pump and comprises a water turbine, a variable frequency motor and a gear box;
the water turbine is arranged in a waste water pipeline, and the waste water pipeline is communicated with a waste water collecting port of the washing tower; the hydraulic turbine 6 has a hydraulic turbine output shaft, and inverter motor has inverter motor output shaft, and hydraulic turbine output shaft, inverter motor output shaft connect the gear box respectively, and the gear box passes through the transmission shaft and connects the sea water pump, and transmission shaft and sea water pump synchronous drive.
Furthermore, the output shaft of the water turbine and the output shaft of the variable frequency motor are connected with different gears in the gear box, and the different gears output power through the same transmission shaft.
Furthermore, the sea water pump is communicated with a valve box and is also communicated with a washing tower sea water inlet of the washing tower through a water inlet pipe.
Further, the washing tower is arranged at a position higher than the position of the sea water pump and the water turbine.
Further, the waste water pipeline is communicated with a waste water outlet, and the water turbine is positioned on the front side of the waste water outlet.
The utility model discloses a boats and ships desulphurization unit economizer system utilizes a large amount of potential energy that washing waste water contains, and the energy of production can be used to drive the sea water pump and do work to the sea water pump has been saved and the sea water is sent the electric energy that the scrubbing tower consumed. And the output power of the water turbine and the variable frequency motor is jointly transmitted to the seawater pump through the transmission shaft, so that the driving power of the seawater pump is achieved, the consumption of the seawater pump on ship fuel oil is reduced, the emission of ship pollutants is reduced, and energy conservation and emission reduction are realized.
Drawings
Fig. 1 is a schematic diagram of the system of the present invention.
In the figure: 1. a tank valve; 2. a sea water pump; 3. a seawater inlet of the washing tower; 4. a washing tower; 5. a waste water collection port; 6. a water turbine; 7. a gear case; 8. a water turbine output shaft; 9. a variable frequency motor; 10. an output shaft of the variable frequency motor; 11. a drive shaft; 12. a waste water outlet; 13. a waste water pipeline.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The existing ship desulfurization device is usually installed near a smoke exhaust pipe, and is high in installation position, large in lift required by seawater supply, large in desulfurization power consumption, and further capable of increasing the power consumption of a diesel engine, enabling the diesel engine to generate more waste gas, generating more sulfides, and further aggravating the influence on the environment.
Meanwhile, in the open type desulfurization system, after seawater is sprayed by the washing tower, the waste liquid after reaction is detected to be qualified and then is discharged into the sea, the height difference between the washing tower and the sea level is large, and the height difference is large in no-load state, so that the wastewater can generate large potential energy difference in the discharge process. Therefore, if these potential energies are used for providing partial power for the seawater supply pump, the required energy consumption of seawater supply can be greatly reduced, therefore, the utility model discloses a boats and ships desulphurization unit economizer system.
The energy-saving system of the ship desulfurization device is arranged based on the existing washing tower 4 and the seawater pump 2, and comprises a water turbine 6, a variable frequency motor 9 and a gear box 7 as shown in figure 1;
wherein, the hydraulic turbine 6 is installed in the waste water pipeline 13, and the waste water pipeline 13 is linked together with the waste water collection mouth 5 of scrubbing tower 4, and waste water pipeline 13 intercommunication has waste water export 12, and for making hydraulic turbine 6 obtain bigger potential energy, the hydraulic turbine is close to the waste water export, is located the front side of waste water export 12.
The turbine 6 is provided with a turbine output shaft 8, whereby the turbine 6 is connected to the gearbox via the turbine output shaft 8.
The inverter motor 9 is provided with an inverter motor output shaft 10, whereby the inverter motor 9 is connected to the gearbox 7 via the inverter motor output shaft 10.
The gear box 7 is a product sold in the market, and is a gear box with two specific input ends and one output end, mechanical energy input by the two input ends can be combined and output through the one output end, so that the water turbine output shaft 8 and the variable frequency motor output shaft 10 are connected with different gears in the gear box 7, and the different gears output power through the same transmission shaft.
The gear box 7 is connected with the seawater pump 2 through the transmission shaft 11, so that the transmission shaft 11 and the seawater pump 2 are synchronously driven, the combination of mechanical energy generated by the variable frequency motor 9 and mechanical energy output by the water turbine is realized, the variable frequency motor is used for working of the seawater pump 2, the utilization of wastewater potential energy is realized, the electric energy consumed by the seawater pump for conveying seawater to the washing tower is saved, the utilization rate of energy on a ship is improved, the consumption of the seawater pump on ship fuel oil is reduced, the emission of ship pollutants is reduced, and energy conservation and emission reduction are realized.
Meanwhile, the seawater pump 2 is communicated with the valve box 1, and the seawater pump 2 is also communicated with the washing tower seawater inlet 3 of the washing tower 4 through the water inlet pipe 14, so that seawater is sent into the washing tower 4 through the valve box 1. The washing tower 4 is disposed at a position higher than the position of the seawater pump 2 and the water turbine 6.
When a ship sails in an open sea area, an open desulfurization system of the ship starts to work and operate, waste gas generated by a main diesel engine of the ship enters the bottom of a washing tower 4 through a pipeline, meanwhile, seawater in the sea is sent to a seawater inlet 3 of the washing tower through a valve box 1 under the action of a seawater pump 2 and then enters the washing tower 4, then the seawater is sprayed into a fog shape in the washing tower 4 and can be more uniformly mixed with the waste gas, the waste gas can flow upwards, the seawater and the waste gas reversely flow from top to bottom to carry out chemical reaction to absorb SOx in the waste gas, the washed seawater becomes waste water, the waste water passes through a waste water collecting port 5 of the washing tower after passing through a detection pass, then the waste water flows downwards along a pipeline below, and the washed waste gas is upwards and directly discharged into the atmosphere. The lower part of the pipeline is provided with a water turbine 6, the potential energy difference between the waste water and the ship is utilized to push an impeller of the water turbine 6 to rotate, the potential energy is converted into mechanical energy, then the mechanical energy is transmitted to a gear box 7 through a water turbine output shaft 8 to drive a gear to rotate, meanwhile, a variable frequency motor 9 consumes the electric energy of the ship to drive a motor output shaft 10 to rotate, further the gear in the gear box 7 rotates, the mechanical energy generated by the variable frequency motor 9 is combined with the mechanical energy transmitted by the water turbine output shaft 8, the mechanical energy is transmitted to a seawater pump 2 through a transmission shaft 11, so that the seawater pump 2 is driven to continuously supplement seawater into a washing tower 4, and waste water is discharged into the sea through a waste water outlet 12.
Compared with the prior art, this novel boats and ships desulphurization unit economizer system that discloses has following technical advantage:
1) a large amount of potential energy contained in the washing wastewater is utilized, and the generated energy can be used for driving a seawater pump to do work, so that the electric energy consumed by the seawater pump for sending seawater to a washing tower is saved, and the utilization rate of energy on a ship is improved.
2) The output power of the water turbine and the variable frequency motor is jointly transmitted to the seawater pump through the transmission shaft, so that the driving power of the seawater pump is achieved, the consumption of the seawater pump on ship fuel oil is reduced, the emission of ship pollutants is further reduced, and energy conservation and emission reduction are realized.
3) The utility model discloses simple structure easily realizes, and open desulfurization is used extensively, makes the utility model discloses an economizer system has wide popularization and application and worth.
The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and the technical personnel in the technical field are in the present invention, which can also belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a boats and ships desulphurization unit economizer system, this economizer system is based on scrubbing tower (4), sea water pump (2) setting, its characterized in that: the energy-saving system comprises a water turbine (6), a variable frequency motor (9) and a gear box (7);
the water turbine (6) is arranged in a waste water pipeline (13), and the waste water pipeline (13) is communicated with a waste water collecting port (5) of the washing tower (4); the water turbine (6) is provided with a water turbine output shaft (8), the variable frequency motor (9) is provided with a variable frequency motor output shaft (10), the water turbine output shaft (8) and the variable frequency motor output shaft (10) are respectively connected with a gear box (7), the gear box (7) is connected with the seawater pump (2) through a transmission shaft (11), and the transmission shaft (11) and the seawater pump (2) are in synchronous transmission.
2. The energy-saving system of a ship desulfurization device according to claim 1, characterized in that: the output shaft (8) of the water turbine and the output shaft (10) of the variable frequency motor are connected with different gears in the gear box (7), and the different gears output power through the same transmission shaft.
3. The energy-saving system of a ship desulfurization device according to claim 2, characterized in that: the sea water pump (2) is communicated with the valve box (1), and the sea water pump (2) is also communicated with a washing tower sea water inlet (3) of the washing tower (4) through a water inlet pipe (14).
4. The energy saving system of a ship desulfurization device according to claim 3, characterized in that: the washing tower (4) is higher than the seawater pump (2) and the water turbine (6).
5. The energy-saving system for a ship desulfurization device according to claim 4, characterized in that: the waste water pipeline (13) is communicated with a waste water outlet (12), and the water turbine (6) is positioned on the front side of the waste water outlet (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120004416.6U CN214131076U (en) | 2021-01-04 | 2021-01-04 | Energy-saving system of ship desulfurization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120004416.6U CN214131076U (en) | 2021-01-04 | 2021-01-04 | Energy-saving system of ship desulfurization device |
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| Publication Number | Publication Date |
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| CN214131076U true CN214131076U (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120004416.6U Active CN214131076U (en) | 2021-01-04 | 2021-01-04 | Energy-saving system of ship desulfurization device |
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| CN (1) | CN214131076U (en) |
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2021
- 2021-01-04 CN CN202120004416.6U patent/CN214131076U/en active Active
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