CN102052210B - Method for cooling low sulfur oil - Google Patents
Method for cooling low sulfur oil Download PDFInfo
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- CN102052210B CN102052210B CN 201010612919 CN201010612919A CN102052210B CN 102052210 B CN102052210 B CN 102052210B CN 201010612919 CN201010612919 CN 201010612919 CN 201010612919 A CN201010612919 A CN 201010612919A CN 102052210 B CN102052210 B CN 102052210B
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Abstract
The invention relates to a method for cooling low sulfur oil, which is characterized in that a marine chiller, a refrigerant water pump module and an oil-water heat exchange system are simultaneously controlled by an electric control box, the marine chiller is connected with the refrigerant water pump module so as to provide low-temperature refrigerant water, and the refrigerant water pump module is connected with the oil-water heat exchange system so as to realize the operation of cooling fuel oil in the oil-water heat exchange system by the low-temperature refrigerant water. The method has the advantages that through providing refrigerant water (used for reducing the temperature of low sulfur fuel oil with the sulphur content of less than 0.1 percent) for the oil-water heat exchange system by the marine chiller, the temperature of the low fuel oil can be effectively reduced, the low sulfur fuel oil which is high in viscosity and good in lubrication performance can be provided, and the problem that marine diesel engines and oil supply systems are easy to be wore caused by directly using low sulfur fuel oil is effectively solved.
Description
Technical field
The present invention relates to a kind of sulphur oil cooling but, is a kind of method that sulphur content is cooled off less than 0.1% low-sulfur oil specifically.
Background technique
The international standard of relevant boats and ships sulfide emission is strict day by day, and according to the requirement of the standard 2005/33/EC of European Union, from January 1st, 2010, all European Union harbours boats and ships above 2 hours that berth must not use Sulpher content to surpass 0.1% fuel oil; From on January 1st, 2012, the inferior state of U.S. markon welfare must not use Sulpher content to surpass 0.1% fuel oil to waters in 24 nautical miles on California water front; MARPOL pact supplemental provisions VI amendment explicitly calls for: must not surpass 0.1% from the used fuel oil Sulpher content of sulphur emissions control area on the 1st boats and ships January in 2015.At present; Most boats and ships use high-sulfur heavy sulphur fuel oil, and its diesel engine and oil supply system are viscosity, the greasy property designs according to conventional heavy oils, use like direct replacing Low Sulfur Fuel Oil; Physicochemical property difference because of Low Sulfur Fuel Oil; The Low Sulfur Fuel Oil greasy property reduces, and has increased the wearing and tearing of diesel engine and oil supply system, is prone to cause to operate the hidden danger with the safety of ship aspect.
Summary of the invention
Traditional boats and ships directly use Low Sulfur Fuel Oil diesel engine easy to wear and oil supply system in the existing technology in order to solve; There are deficiencies such as ship operation and potential safety hazard; The purpose of this invention is to provide a kind ofly operate steadily, safe and reliable, the Low Sulfur Fuel Oil that viscosity is high, greasy property is good can be provided, the low-sulfur oil cooling that effectively solves the direct problem of use Low Sulfur Fuel Oil boat diesel engine easy to wear and oil supply system is method but.
The technological scheme that the present invention adopts is: a kind of low-sulfur oil cooling is method but; Its technical characterstic is; The handpiece Water Chilling Units of controlling simultaneously by electric control box peculiar to vessel, chilled water pump module and water oil heat-exchange system; Handpiece Water Chilling Units peculiar to vessel connects the chilled water pump module provides the low temperature chilled water, and the chilled water pump module connects water oil heat-exchange system and realizes the cooling of low temperature chilled water to water oil heat-exchange system intermediate fuel oil; Said handpiece Water Chilling Units peculiar to vessel comprises compressor, condenser, vaporizer and expansion valve, and exhaust outlet of compressor connects the condenser suction port, and the condenser air outlet is connected with the vaporizer liquid entering hole through expansion valve, and the vaporizer air outlet is connected with the compressor return air mouth; Said chilled water pump module comprises water pump and swelling water tank; Said water oil heat-exchange system comprises heat exchanger and three-way control valve; The outlet of vaporizer chilled water connects the heat exchanger water intake; The heat exchanger water outlet connects water pump through three-way control valve; The bypass interface of three-way control valve is communicated with the connecting pipeline between heat exchanger water intake and the outlet of vaporizer chilled water; The connecting pipeline of three-way control valve and water pump is provided with swelling water tank, and water pump connects the import of vaporizer chilled water, and the fuel inlet of heat exchanger and fuel outlet are connected to oil supply unit peculiar to vessel; Said chilled water pump module also comprises the automatic water compensating valve and the manual control valve of water filter, band safety valve, and water filter is located between water pump and swelling water tank, and the automatic water compensating valve and the manual control valve of band safety valve are located between water filter and swelling water tank.
The cooling means of low low-sulfur oil is:
A open cold condenser water inlet water pump and chilled water circulating water pump and time-delay make condenser and the interior hydraulic pressure of chilled water pipeline reach 0.2MPa;
B startup compressor is drained into high temperature, higher pressure refrigerant gas in the condenser and carries out heat exchange with cooling water; Refrigerator is condensed into refrigerant gas the refrigerant liquid of low temperature, high pressure; Refrigerant liquid is flowed through and is got into that chilled water carries out heat exchange in vaporizer and the vaporizer behind the expansion valve expenditure and pressure, and the refrigerant gas after the heat exchange is back to compressor;
The chilled water temperature of c after heat exchange reduces, and the fuel oil that water pump is delivered to chilled water in water, oiled-plate method formula heat exchanger and water, the oiled-plate method formula heat exchanger carries out heat exchange, and the chilled water temperature after the heat exchange raises and is back to vaporizer;
D temperature transducer this moment detects the fuel outlet oil outlet temperature of water, oiled-plate method formula heat exchanger; And temperature analog signal imported electric control box; By electric control box control electric three passes modulating valve; Regulate the chilled water water yield that gets into water, oiled-plate method formula heat exchanger according to oil outlet temperature height automatic ratio, make water, oiled-plate method formula heat exchanger oil outlet temperature remain on 15-20 ℃;
E is when chilled water pressure is 1.5-2.5Mpa in the chilled water pipeline, and the enclosed swelling water tank is regulated chilled water pressure in the chilled water pipeline; When chilled water pressure is lower than 1.5Mpa in the chilled water pipeline, automatic water compensating valve work water inlet supercharging; When chilled water pressure was higher than 2.5Mpa in the chilled water pipeline, manual control valve work pressure release discharged water.
Open cold condenser water inlet water pump and chilled water circulating water pump and time-delay make condenser and the interior hydraulic pressure of chilled water pipeline reach setting pressure; The startup compressor is drained into high temperature, higher pressure refrigerant gas in the condenser and carries out heat exchange with cooling water; Refrigerator is condensed into refrigerant gas the refrigerant liquid of low temperature, high pressure; Refrigerant liquid is flowed through and is got into that chilled water carries out heat exchange in vaporizer and the vaporizer behind the expansion valve expenditure and pressure, and the refrigerant gas after the heat exchange is back to compressor; Chilled water temperature after the heat exchange reduces, and the fuel oil that water pump is delivered to chilled water in water, oiled-plate method formula heat exchanger and water, the oiled-plate method formula heat exchanger carries out heat exchange, and the chilled water temperature after the heat exchange raises and is back to vaporizer; Temperature transducer detects the fuel outlet oil outlet temperature of water, oiled-plate method formula heat exchanger; And temperature analog signal imported electric control box; By electric control box control electric three passes modulating valve; Regulate the chilled water water yield that gets into water, oiled-plate method formula heat exchanger according to oil outlet temperature height automatic ratio, make water, oiled-plate method formula heat exchanger oil outlet temperature remain on 15-20 ℃; When chilled water pressure was 1.5-2.5Mpa in the chilled water pipeline, the enclosed swelling water tank was regulated chilled water pressure in the chilled water pipeline automatically; When chilled water pressure is lower than 1.5Mpa in the chilled water pipeline, automatic water compensating valve work water inlet supercharging; When chilled water pressure was higher than 2.5Mpa in the chilled water pipeline, manual control valve work pressure release discharged water.
After adopting above technological scheme, the beneficial effect that the present invention reaches is: the gas that compressor is used to compress low-temp low-pressure becomes high-temperature high-pressure state, and is delivered to condenser; Condenser is with the liquid under the condensation of gas Cheng Zhongwen high pressure of HTHP; The effect of expansion valve is to experience compressor return air temperature or pressure, regulates the flow of refrigeration agent automatically, the handpiece Water Chilling Units good reliability; Can under running on the lower load, move for a long time, and can accurately control the oil outlet temperature of water oil heat exchanger, handpiece Water Chilling Units is according to load variations; Can realize the regulate compressors low power run; Even chilled water is revealed, chilled-water system also can safe operation, and it is constant to keep-up pressure; Water pump is installed between handpiece Water Chilling Units and the water oil heat-exchange system; The oily heat-exchange system that is used to feed water provides chilled water; The temperature of sulphur content less than 0.1% low-sulfur oil fuel oil is reduced to about 17 ℃, makes its viscosity be increased to 2cst, to satisfy the requirement of existing marine diesel engine and oil supply system; Swelling water tank utilizes the pressure in its barometric tank to control the principle of the pressure condition of air-conditioner water system, collects because of the water water capacity that volumetric expansion increases that is heated, and prevents system failure and plays the level pressure effect.
The present invention utilizes handpiece Water Chilling Units peculiar to vessel to reduce the chilled water of sulphur content less than 0.1% low-sulfur oil fuel oil temperature for the heat exchange of water oil provides; Can effectively reduce fuel oil temperature; Improve the fuel oil viscosity; This cooling system structure is simple, operate steadily, safe and reliable, easy to maintenance, the Low Sulfur Fuel Oil that viscosity is high, greasy property is good can be provided, effectively solve the directly problem of use Low Sulfur Fuel Oil boat diesel engine easy to wear and oil supply system.
Description of drawings
Fig. 1 uses the structural representation of cooling system for the present invention;
Among the figure: electric control box 1, compressor 2, exhaust outlet of compressor 21, compressor return air mouth 22, condenser 3; Condenser suction port 31, condenser air outlet 32, expansion valve 4, vaporizer 5, vaporizer liquid entering hole 51; Vaporizer air outlet 52, vaporizer chilled water import 53, vaporizer chilled water outlet 54, water pump 6, heat exchanger 7; Heat exchanger water intake 71, heat exchanger water outlet 72, fuel inlet 73, fuel outlet 74, three-way control valve 8; Swelling water tank 9, water filter 10, automatic water compensating valve 11, safety valve 12, manual control valve 13.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Low-sulfur oil cooling system shown in Figure 1 comprises electric control box 1, compressor 2, condenser 3, expansion valve 4, vaporizer 5, water pump 6, heat exchanger 7, three-way control valve 8 and swelling water tank 9.Exhaust outlet of compressor 21 connects condenser suction port 31; Condenser air outlet 32 is connected with vaporizer liquid entering hole 51 through expansion valve 4; Vaporizer air outlet 52 is connected with compressor return air mouth 52, and vaporizer chilled water outlet 54 connects heat exchanger water intake 71, and heat exchanger water outlet 72 connects water pump 6 through three-way control valve 8; The bypass interface of three-way control valve 8 is communicated with heat exchanger water intake 71 and the vaporizer chilled water exports 54 connecting pipeline; The connecting pipeline of three-way control valve and water pump is provided with the swelling water tank 9 of band manual control valve 13, and water pump 6 connects vaporizer chilled water import 53, and the fuel inlet 73 and the fuel outlet 74 of heat exchanger are connected to oil supply unit peculiar to vessel; 9 of water pump 6 and swelling water tanks are provided with water filter 10, and the automatic water compensating valve 11 of band safety valve 12 is located between water filter and swelling water tank; Compressor 2, water pump 6 and three-way control valve 8 all are connected electric control box 1.
The cooling means of the low low-sulfur oil of the present invention is:
At first, open cold condenser water inlet water pump and chilled water circulating water pump and time-delay make condenser and the interior hydraulic pressure of chilled water pipeline reach 0.2MPa;
Then; The startup compressor is drained into high temperature, higher pressure refrigerant gas in the condenser and carries out heat exchange with cooling water; Refrigerator is condensed into refrigerant gas the refrigerant liquid of low temperature, high pressure; Refrigerant liquid is flowed through and is got into that chilled water carries out heat exchange in vaporizer and the vaporizer behind the expansion valve expenditure and pressure, and the refrigerant gas after the heat exchange is back to compressor;
Chilled water temperature after heat exchange reduces, and the fuel oil that water pump is delivered to chilled water in water, oiled-plate method formula heat exchanger and water, the oiled-plate method formula heat exchanger carries out heat exchange, and the chilled water temperature after the heat exchange raises and is back to vaporizer;
This moment, temperature transducer detected the fuel outlet oil outlet temperature of water, oiled-plate method formula heat exchanger; And temperature analog signal imported electric control box; By electric control box control electric three passes modulating valve; Regulate the chilled water water yield that gets into water, oiled-plate method formula heat exchanger according to oil outlet temperature height automatic ratio, make water, oiled-plate method formula heat exchanger oil outlet temperature remain on 15-20 ℃;
When chilled water pressure was 1.5-2.5Mpa in the chilled water pipeline, the enclosed swelling water tank was regulated chilled water pressure in the chilled water pipeline; When chilled water pressure is lower than 1.5Mpa in the chilled water pipeline, automatic water compensating valve work water inlet supercharging; When chilled water pressure was higher than 2.5Mpa in the chilled water pipeline, manual control valve work pressure release discharged water.
Claims (1)
1. but method of a low-sulfur oil cooling; It is characterized in that: control handpiece Water Chilling Units peculiar to vessel, chilled water pump module and water oil heat-exchange system simultaneously by electric control box (1); Handpiece Water Chilling Units peculiar to vessel connects the chilled water pump module provides the low temperature chilled water, and the chilled water pump module connects water oil heat-exchange system and realizes the cooling of low temperature chilled water to water oil heat-exchange system intermediate fuel oil; Said handpiece Water Chilling Units peculiar to vessel comprises compressor (2), condenser (3), vaporizer (5) and expansion valve (4); Exhaust outlet of compressor (21) connects condenser suction port (31); Condenser air outlet (32) is connected with vaporizer liquid entering hole (51) through expansion valve, and vaporizer air outlet (52) are connected with compressor return air mouth (22); Said chilled water pump module comprises chilled water circulating water pump (6) and enclosed swelling water tank (9); Said water oil heat-exchange system comprises water, oiled-plate method formula heat exchanger (7) and three-way control valve (8); Vaporizer chilled water outlet (54) connects water, oiled-plate method formula heat exchanger water intake (71); Water, oiled-plate method formula heat exchanger water outlet (72) connect the chilled water circulating water pump through three-way control valve; The bypass interface of three-way control valve is communicated on the connecting pipeline between water, oiled-plate method formula heat exchanger water intake and the outlet of vaporizer chilled water; The connecting pipeline of three-way control valve and chilled water circulating water pump is provided with the enclosed swelling water tank; The chilled water circulating water pump connects the import of vaporizer chilled water, and the fuel inlet (73) and the fuel outlet (74) of water, oiled-plate method formula heat exchanger are connected to oil supply unit peculiar to vessel; Said chilled water pump module also comprises the automatic water compensating valve (11) and the manual control valve (13) of water filter (10), band safety valve (12); Water filter is located between chilled water circulating water pump (6) and enclosed swelling water tank (9), and the automatic water compensating valve and the manual control valve of band safety valve are located between water filter and enclosed swelling water tank;
The cooling means of low low-sulfur oil is:
A open cold condenser water inlet water pump and chilled water circulating water pump and time-delay make condenser and the interior hydraulic pressure of chilled water pipeline reach 0.2MPa;
B startup compressor is drained into high temperature, higher pressure refrigerant gas in the condenser and carries out heat exchange with cooling water; Condenser is condensed into refrigerant gas the refrigerant liquid of low temperature, high pressure; Refrigerant liquid is flowed through and is got into that chilled water carries out heat exchange in vaporizer and the vaporizer behind the expansion valve expenditure and pressure, and the refrigerant gas after the heat exchange is back to compressor;
The chilled water temperature of c after heat exchange reduces, and the fuel oil that water pump is delivered to chilled water in water, oiled-plate method formula heat exchanger and water, the oiled-plate method formula heat exchanger carries out heat exchange, and the chilled water temperature after the heat exchange raises and is back to vaporizer;
D temperature transducer this moment detects the fuel outlet oil outlet temperature of water, oiled-plate method formula heat exchanger; And temperature analog signal imported electric control box; By electric control box control electric three passes modulating valve; Regulate the chilled water water yield that gets into water, oiled-plate method formula heat exchanger according to oil outlet temperature height automatic ratio, make water, oiled-plate method formula heat exchanger oil outlet temperature remain on 15-20 ℃;
E is when chilled water pressure is 1.5-2.5Mpa in the chilled water pipeline, and the enclosed swelling water tank is regulated chilled water pressure in the chilled water pipeline; When chilled water pressure is lower than 1.5Mpa in the chilled water pipeline, automatic water compensating valve work water inlet supercharging; When chilled water pressure was higher than 2.5Mpa in the chilled water pipeline, manual control valve work pressure release discharged water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010612919 CN102052210B (en) | 2010-12-30 | 2010-12-30 | Method for cooling low sulfur oil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010612919 CN102052210B (en) | 2010-12-30 | 2010-12-30 | Method for cooling low sulfur oil |
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| CN102052210A CN102052210A (en) | 2011-05-11 |
| CN102052210B true CN102052210B (en) | 2012-01-04 |
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| CN 201010612919 Active CN102052210B (en) | 2010-12-30 | 2010-12-30 | Method for cooling low sulfur oil |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102705861B (en) * | 2012-06-15 | 2015-07-08 | 上海交通大学 | Air pre-heater system for fuel coal industrial boiler |
| CN106895715A (en) * | 2017-02-23 | 2017-06-27 | 中国舰船研究设计中心 | A kind of temprature control method of Aviation Fuel storage |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH06241134A (en) * | 1993-02-12 | 1994-08-30 | Honda Motor Co Ltd | Fuel cooler for vehicle |
| JPH10220885A (en) * | 1997-01-31 | 1998-08-21 | Mitsubishi Heavy Ind Ltd | Refrigerating machine |
| JP2000205612A (en) * | 1999-01-18 | 2000-07-28 | Zexel Corp | Cold storage air conditioner |
| CN2612906Y (en) * | 2002-11-22 | 2004-04-21 | 北京中油华能科技发展有限公司 | Sewage remaining heat recovery heat pump installation for petroleum production factory multi-purpose station |
| CN2847157Y (en) * | 2005-12-19 | 2006-12-13 | 山东宏达科技集团有限公司 | Device for utilizing condensation waste heat |
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