CN201925056U - Low-sulfur oil cooling system - Google Patents
Low-sulfur oil cooling system Download PDFInfo
- Publication number
- CN201925056U CN201925056U CN 201020688375 CN201020688375U CN201925056U CN 201925056 U CN201925056 U CN 201925056U CN 201020688375 CN201020688375 CN 201020688375 CN 201020688375 U CN201020688375 U CN 201020688375U CN 201925056 U CN201925056 U CN 201925056U
- Authority
- CN
- China
- Prior art keywords
- water
- oil
- low
- water pump
- vaporizer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to a low-sulfur oil cooling system comprising a water chilling unit for a ship, a refrigerant water pump module and a water-oil heat exchange system which are simultaneously controlled by an electric control box, wherein the water chilling unit for a ship is connected with the refrigerant water pump module to provide low-temperature refrigerant water; and the refrigerant water pump module is connected with the water-oil heat exchange system to realize cooling of low-temperature refrigerant water to fuel oil in the water-oil heat exchange system. The water chilling unit for a ship is utilized to provide low-sulfur oil low-fuel temperature refrigerant water with the sulfur content less than 0.1 percent for water oil heat exchange, and the low-sulfur oil cooling system can effectively lower the fuel temperature, and improves the fuel viscocity; and the cooling system has the advantages of simple structure, stability in running, safety, reliability and convenience for maintenance, can provide high-viscocity low-sulfur oil with good lubricating performance, and effectively solves the problem that direct use of low-sulfur fuel easily results in abrasion of ship diesel engines and oil supply systems.
Description
Technical field
The utility model relates to a kind of sulphur oil cooling system, is a kind of system 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 the distance 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, its diesel engine and oil supply system are viscosity, the greasy property designs according to conventional heavy oils, use as 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, easily causes operating 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 prior art in order to solve, there are deficiencies such as ship operation and potential safety hazard, the purpose of this utility model provide a kind of simple in structure, operate steadily, low-sulfur oil cooling system safe and reliable, easy to maintenance, this system can provide viscosity height, Low Sulfur Fuel Oil that greasy property is good, effectively solves the directly problem of use Low Sulfur Fuel Oil boat diesel engine easy to wear and oil supply system.
The technical solution adopted in the utility model is: a kind of low-sulfur oil cooling system, its technical characterstic is to comprise handpiece Water Chilling Units peculiar to vessel, chilled water pump module and the water oil heat-exchange system of being controlled simultaneously by electric control box, 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;
Described 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;
Described chilled water pump module comprises water pump and swelling water tank; Described 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, 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.
Further, described chilled water pump module also comprises the automatic water compensating valve and the manual control valve of water filter, band safety valve, 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.
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 entered 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 enters 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 utility model 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 High Temperature High Pressure; The effect of expansion valve is to experience compressor return air temperature or pressure, automatically regulate the flow of refrigeration agent, the handpiece Water Chilling Units good reliability, can move under running on the lower load 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 utility model 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, viscosity height, Low Sulfur Fuel Oil that 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 is the utility model structural representation;
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
The utility model is described in further detail below in conjunction with drawings and Examples.
Shown in Figure 1, low low-sulfur oil cooling system 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, vaporizer chilled water outlet 54 connects heat exchanger water intake 71, 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, 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 working procedure of this cooling system 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 entered 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 enters 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 (2)
1. low-sulfur oil cooling system, it is characterized in that: comprise handpiece Water Chilling Units peculiar to vessel, chilled water pump module and the water oil heat-exchange system controlled 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;
Described 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);
Described chilled water pump module comprises water pump (6) and swelling water tank (9); Described water oil heat-exchange system comprises heat exchanger (7) and three-way control valve (8); Vaporizer chilled water outlet (54) connects heat exchanger water intake (71), heat exchanger water outlet (72) connects water pump through three-way control valve, the bypass interface of three-way control valve is communicated on the connecting pipeline between the outlet of heat exchanger water intake and vaporizer chilled water, the connecting pipeline of three-way control valve and water pump is provided with swelling water tank, water pump connects the import of vaporizer chilled water, and fuel inlet of heat exchanger (73) and fuel outlet (74) are connected to oil supply unit peculiar to vessel.
2. low-sulfur oil cooling system according to claim 1, it is characterized in that: described 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 water pump (6) and 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 swelling water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020688375 CN201925056U (en) | 2010-12-30 | 2010-12-30 | Low-sulfur oil cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020688375 CN201925056U (en) | 2010-12-30 | 2010-12-30 | Low-sulfur oil cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201925056U true CN201925056U (en) | 2011-08-10 |
Family
ID=44428909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020688375 Expired - Lifetime CN201925056U (en) | 2010-12-30 | 2010-12-30 | Low-sulfur oil cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201925056U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052209A (en) * | 2010-12-30 | 2011-05-11 | 江苏兆胜空调有限公司 | Low-low-sulfur oil cooling system |
| CN103291508A (en) * | 2013-06-08 | 2013-09-11 | 张家港市江南利玛特设备制造有限公司 | Low sulfur oil cooling unit and cooling compressor unit thereof |
-
2010
- 2010-12-30 CN CN 201020688375 patent/CN201925056U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052209A (en) * | 2010-12-30 | 2011-05-11 | 江苏兆胜空调有限公司 | Low-low-sulfur oil cooling system |
| CN103291508A (en) * | 2013-06-08 | 2013-09-11 | 张家港市江南利玛特设备制造有限公司 | Low sulfur oil cooling unit and cooling compressor unit thereof |
| CN103291508B (en) * | 2013-06-08 | 2015-08-26 | 张家港市江南利玛特设备制造有限公司 | A kind of cooling device for low sulfur oil and cooled compressed unit thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112696289B (en) | Marine liquid ammonia fuel supply and fuel recycling system | |
| EP2513449B1 (en) | Method of operating a piston engine | |
| CN102052209A (en) | Low-low-sulfur oil cooling system | |
| WO2012150992A1 (en) | Split cooling method and apparatus | |
| CN214533292U (en) | Marine liquid ammonia fuel supply and fuel recycle system | |
| CN201925056U (en) | Low-sulfur oil cooling system | |
| CN102052210B (en) | Method for cooling low sulfur oil | |
| RU2422669C1 (en) | Internal combustion engine starting system | |
| CN202813860U (en) | Novel water cooling unit | |
| CN201896681U (en) | Cooling device for low sulfur oil | |
| CN111173649B (en) | Natural gas engine air intake system and EGR control method thereof | |
| CN109895986B (en) | Lubricating water device for open type water lubricating tail bearing and operation method thereof | |
| RU69159U1 (en) | LUBRICATION SYSTEM OF THE TURBOCHARGER OF THE INTERNAL COMBUSTION ENGINE | |
| CN201306892Y (en) | Oil return device | |
| CN102506480A (en) | Air-conditioning heat pump system of multi-split air conditioner | |
| CN101182960B (en) | Energy-saving hot-water system of marine vehicle cool house refrigerating device | |
| CN203009296U (en) | Marine oil spraying screw type air compressor | |
| CN101776008A (en) | Turbo-charging automatic protection device | |
| CN104819050B (en) | A kind of turbocharger intellective protector | |
| CN210660368U (en) | Supercharging device suitable for low-pressure EGR system and low-pressure EGR system | |
| CN102052722A (en) | Shore-based mobile type cooling device | |
| CN201277763Y (en) | Oil pressure guarantee system for air conditioner compressor | |
| CN104564434A (en) | EGR (exhaust gas recirculation) engine assembly | |
| CN220727939U (en) | Marine LNG fuel gas supply system | |
| CN201606140U (en) | Light diesel oil cooling device for marine power |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110810 |
|
| CX01 | Expiry of patent term |