CN210622951U - Fuel oil circulating device for high-power diesel generating set - Google Patents
Fuel oil circulating device for high-power diesel generating set Download PDFInfo
- Publication number
- CN210622951U CN210622951U CN201921465163.1U CN201921465163U CN210622951U CN 210622951 U CN210622951 U CN 210622951U CN 201921465163 U CN201921465163 U CN 201921465163U CN 210622951 U CN210622951 U CN 210622951U
- Authority
- CN
- China
- Prior art keywords
- oil
- fuel
- light
- inlet
- circulating
- 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.)
- Active
Links
Images
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The utility model discloses a fuel oil circulating device for a high-power diesel generating set, which comprises a fuel oil mixing tank, an oil processing mechanism, a light oil return cooler and a PLC electric cabinet which are sequentially arranged on an installation base; the fuel oil circulating device is provided with a light oil inlet, a heavy oil inlet, a light oil circulating outlet and a heavy oil circulating outlet which are connected with the oil pump room, and a circulating feeding port and a discharging port which are connected with the diesel engine, and the fuel oil circulating device is also provided with valve bodies such as an oil inlet light and heavy oil three-way conversion valve and a backflow light and heavy oil three-way conversion valve which are used for switching the transmission directions of light oil and heavy oil. By additionally arranging the common heavy oil and light oil circulating channels outside the fuel oil circulating device, when the fuel oil runs abnormally in the circulating device or the diesel engine runs in need, the light oil is switched to enter the fuel oil circulating device, the heavy oil or light oil flowing channel in the fuel oil circulating device is regulated and controlled in real time, and the diesel engine is ensured to run stably.
Description
Technical Field
The utility model relates to a diesel generator technical field, in particular to fuel oil circulating device for high-power diesel generating set.
Background
The diesel generating set uses fuel oil as fuel to run and generate electricity, the fuel oil mainly comprises light oil and heavy oil, the heavy oil is preferentially used when the diesel generating set runs, the heavy oil is residual heavy oil obtained after extracting gasoline and diesel oil from crude oil, the heavy oil has large molecular weight and high viscosity, the specific gravity is generally 0.82-0.97, the specific heat is 11000kal/kg 10000-. The fuel oil circulating device is mainly used for a fuel oil power station in the power industry, and is used for finally heating and filtering fuel oil, so that the viscosity of the fuel oil entering the machine is kept at 11.5-16cst, the granularity is not more than 10 mu m, and the flow and pressure of the fuel oil entering the machine are regulated and controlled, so that the fuel oil entering a diesel generating set meets the use requirements. According to actual operation requirements, the heavy oil is switched into light oil through a fuel oil circulating device and supplied to a diesel engine generator. Among the prior art, the fuel oil circulating device internal component structure is arranged complicacy, overhauls the difficulty, and some subassemblies still need artifical manual regulation and control, appear under the unusual circumstances in fuel oil circulating device, need wait for the operation personnel to arrive at the field debugging equipment, and operating stability is poor, and the operation energy consumption is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high-power diesel generating set is with fuel circulating device aims at improving fuel circulating device operating stability.
In order to achieve the above object, the utility model provides a high-power fuel circulating device for diesel generating set, fuel circulating device are connected with oil pump room and diesel engine respectively, fuel circulating device includes an installation base, still including connect gradually install in fuel blending tank, oil processing mechanism, light oil return cooler and PLC electric cabinet on the installation base.
Be equipped with the confession in the oil pump room light oil and heavy oil that the diesel engine used, the fuel oil circulating device be equipped with outside in the oil pump room light oil inlet and the heavy oil inlet that light oil and heavy oil are connected respectively, be equipped with on the fuel oil circulating device with circulation pan feeding mouth and discharge gate that the diesel engine is connected, light oil inlet and heavy oil inlet through an income oil light heavy oil three-way conversion valve with the first entry linkage of fuel blending tank, the fuel blending tank export with oil processing mechanism entry linkage, oil processing mechanism export with the discharge gate is connected.
The circulating feeding port is connected with the inlet of the light oil return cooler through a first three-way valve, the other end of the first three-way valve is connected with a three-way pipe, the outlet of the light oil return cooler is connected with one end of the three-way pipe, the other end of the three-way pipe is connected with a second three-way valve, the other two ends of the second three-way valve are respectively connected with a return light and heavy oil three-way conversion valve and the second inlet of the fuel mixing tank, the fuel circulating device is further provided with a light oil circulating outlet and a heavy oil circulating outlet which are connected with the oil pump room, and the other two ends of the return light and heavy oil three-way conversion valve are respectively connected with the light oil circulating outlet and.
Preferably, the oil processing mechanism is including the fuel circulating pump, fuel heater, fuel filter, the fuel viscometer that connect gradually, the fuel blending tank export with fuel circulating pump entry linkage, the fuel viscometer export with the discharge gate is connected.
Preferably, an oil filtering outlet is formed in the fuel oil filter, a steam inlet and a condensed water outlet are respectively formed in the fuel oil heater, and a cooling water inlet and a cooling water outlet are formed in the light oil return cooler.
The mounting base is provided with a plurality of mounting openings, and the light oil inlet, the heavy oil inlet, the light oil circulating outlet, the heavy oil circulating outlet, the oil filtering outlet, the steam inlet, the condensate outlet and the cooling water outlet are all arranged at the mounting openings.
Preferably, a plurality of groups of adjusting seats are symmetrically arranged at the bottom of the mounting base, and a plurality of lifting lugs are symmetrically arranged on the side surface of the mounting base.
Compared with the prior art, the beneficial effects of the utility model are that: through adding public fuel and light oil circulation channel on fuel circulating device, when the fuel operation in circulating device appears unusually or the diesel engine operation needs, switch light oil and get into fuel circulating device, regulate and control the fuel or the light oil flow state in the fuel circulating device in real time, guarantee the diesel engine steady operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of the three-dimensional structure of the fuel oil circulation device of the present invention;
FIG. 2 is a bottom view of the fuel oil circulation device of the present invention;
fig. 3 is the schematic view of the installation structure of the fuel oil circulation device of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The utility model provides a high-power fuel circulating device for diesel generating set, fuel circulating device are connected with oil pump room (not shown in the figure) and diesel engine (not shown in the figure) respectively, as shown in figure 1 and figure 2, fuel circulating device includes an installation base 1, still including connect gradually install in fuel blending tank 2, oil processing mechanism 3, light oil return cooler 4 and PLC electric cabinet 5 on the installation base 1.
Be equipped with the confession in the oil pump room light oil and heavy oil that the diesel engine used, the fuel oil circulating device be equipped with light oil inlet 61 and heavy oil inlet 62 that light oil and heavy oil are connected respectively in the oil pump room, be equipped with on the fuel oil circulating device with circulation pan feeding mouth 71 and discharge gate 72 that the diesel engine is connected, light oil inlet 61 and heavy oil inlet 62 through one income light heavy oil three-way conversion valve 81 with 2 first entry linkage of fuel blending tank, 2 exports of fuel blending tank with 3 entry linkage of oil processing mechanism, 3 exports of oil processing mechanism with discharge gate 72 connects.
And the light oil enters the oil inlet light and heavy oil three-way conversion valve 81 from the light oil inlet 61, the heavy oil enters the oil inlet light and heavy oil three-way conversion valve 81 from the heavy oil inlet 62, and the light oil or the heavy oil in the oil inlet light and heavy oil three-way conversion valve 81 sequentially enters the fuel oil mixing tank 2, the oil treatment mechanism 3 and the discharge hole 72 and then enters the diesel engine. When the diesel engine runs, heavy oil or light oil can be singly used, the direction of the internal pipeline of the oil-entering light-heavy oil three-way conversion valve 81 is regulated and controlled by a control system in the PLC electric cabinet 5, and the light oil or the heavy oil is switched to enter the diesel engine.
The circulating feeding port 72 is connected with an inlet of the light oil return cooler 4 through a first three-way valve, the other end of the first three-way valve is connected with a three-way pipe, an outlet of the light oil return cooler 4 is connected with one end of the three-way pipe, the other end of the three-way pipe is connected with a second three-way valve, the other two ends of the second three-way valve are respectively connected with a return light and heavy oil three-way conversion valve 82 and a second inlet of the fuel mixing tank 2, the fuel circulating device is further provided with a light oil circulating outlet 91 and a heavy oil circulating outlet 92 which are connected with the oil pump room, and the other two ends of the return light and heavy oil three-way conversion valve 82 are respectively connected with the light oil circulating outlet 91 and the.
Unburned heavy oil or light oil of the diesel engine enters the first three-way valve from the circulating feeding port 71, and the direction of internal circuits of the first three-way valve, the second three-way valve and the backflow light and heavy oil three-way conversion valve 82 is regulated and controlled by a control system in the PLC electric cabinet 5. Heavy oil directly enters the second three-way valve through the three-way pipe from the first three-way valve, light oil enters the light oil return cooler 4 from the first three-way valve for cooling and then enters the second three-way valve through the three-way pipe, the heavy oil or the light oil can enter the fuel oil mixing tank 2 from the second three-way valve and continuously enters the oil treatment mechanism 3 for being supplied to a diesel engine, or enters the backflow light and heavy oil three-way conversion valve 82 from the three-way conversion valve and is recycled to an oil pump room. Wherein, the light oil enters the oil pump room through the light oil circulating outlet 91, and the heavy oil enters the oil pump room through the heavy oil circulating outlet 92.
A light oil tank and a heavy oil tank are arranged in the oil pump room, the light oil tank is connected with the light oil inlet 61, and the heavy oil tank is connected with the heavy oil inlet 62; still be equipped with light oil recovery tank and heavy oil recovery tank in the oil pump room, light oil circulating outlet 91 with the light oil recovery tank is connected, heavy oil circulating outlet 92 with the heavy oil recovery tank is connected, with heavy oil and light oil branch jar storage.
An oil filter outlet 331 is arranged on the fuel filter 33, a steam inlet 321 and a condensed water outlet 322 are respectively arranged on the fuel heater 32, and a cooling water inlet and a cooling water outlet 411 are arranged on the light oil return cooler; the mounting base is provided with a plurality of mounting openings 11, and the light oil inlet 61, the heavy oil inlet 62, the light oil circulating outlet 91, the heavy oil circulating outlet 92, the filtered oil outlet, the steam inlet 321, the condensed water outlet 322 and the cooling water outlet 411 are all arranged at the mounting openings 11; the circulating feeding port 71 and the discharging port 72 are arranged on the periphery of the fuel circulating device side by side, and the interfaces are arranged in order, so that the interfaces are conveniently connected with devices such as a diesel engine and the like, and the device is further convenient to overhaul.
The bottom of the mounting base 1 is symmetrically provided with a plurality of groups of adjusting seats 101, so that the whole device can be leveled on site conveniently, and the operation is convenient. The side symmetry of installation base 1 is equipped with a plurality of lugs 102, specifically, adjusts seat 101 and establishes to eight groups, and the lug 102 is established to 4, is convenient for to the hoist and mount of whole device, transport.
The utility model discloses with high-power diesel generating set MAN18V32/40 model adaptation, the diesel engine in the unit preferentially uses the heavy oil, the heavy oil gets into fuel blending tank 2 through going into oily light heavy oil three way conversion valve 81, control system in the PLC electric cabinet 5 starts fuel circulating pump 31, carries the heavy oil in the fuel blending tank 2 to fuel heater 32 to get into fuel viscometer 34 after fuel heater 32 accuse temperature, fuel filter 33 filter in proper order, get into the diesel engine through discharge gate 72 again. Heavy oil output from the diesel engine enters the fuel oil mixing tank 2 through the circulating feeding port 71, is sequentially conveyed to the fuel oil circulating pump 31 and the oil treatment mechanism 3, is conveyed to the diesel engine for recycling through the discharging port 72, or is conveyed to the backflow light and heavy oil three-way conversion valve 82, and flows back to the heavy oil recovery tank for storage and standby. The filter residue after heavy oil filtration is discharged from the oil filtration outlet 331; the steam of the fuel oil heater 32 is input from the steam inlet 321, and after the temperature of the heavy oil is controlled, the steam is liquefied into condensed water and is discharged from the condensed water outlet 322.
The fuel oil viscometer 34 transmits the detected heavy oil viscosity value to a control system in the PLC electric cabinet, and the control system in the PLC electric cabinet regulates and controls the fuel oil heater 34 to heat and control the temperature of the heavy oil, thereby changing the heavy oil viscosity value. When the viscosity of the heavy oil exceeds 16CST, a control system in the PLC electric cabinet 5 sends out an alarm signal to prompt operating personnel to check the running state of each system, and the heavy oil is continuously conveyed after the faults are eliminated. The light oil tank outlet is also provided with a light oil booster pump, a pressure transmitter is arranged between the light oil booster pump and the light oil inlet 61, when the viscosity of the heavy oil continuously rises to exceed 18CST, the light oil booster pump is started to transmit the light oil to the light oil inlet 61, and when the pressure transmitter detects that the pressure of the light oil inlet 61 is greater than or equal to a set pressure value, the internal channel of the oil inlet light-heavy oil three-way conversion valve 81 is switched, and the light oil is started to be supplied to the diesel engine.
The specific mode of starting light oil to supply to the diesel engine is as follows: the three-way switching valve 81 for light and heavy oil entering is switched to enable light oil to be conveyed from the light oil inlet 61 to the fuel oil mixing tank 2, then to be conveyed to the fuel oil circulating pump 31 and the oil treatment mechanism 3 in sequence, and then to be conveyed from the discharge port 72 to the diesel engine for use; light oil output from the diesel engine enters a light oil return cooler through a circulating feeding port 71 to be cooled, then is conveyed to a fuel oil mixing tank 2 and then is conveyed to a fuel oil circulating pump 31 to be supplied to the diesel engine for recycling, or is conveyed to a backflow light and heavy oil three-way switching valve 82 from the circulating feeding port 71 to flow back to a light oil recovery tank to be stored for later use. The cooling water of the light oil return cooler enters from the cooling water inlet, cools the light oil, and then is discharged from the cooling water outlet 411.
The following two conditions also enable the diesel oil to be supplied to the diesel engine:
(1) the discharge port 72 may be additionally provided with a pressure detector for detecting real-time pressure transmitted from the discharge port 72 to the diesel engine, when the pressure detector detects that the pressure of the discharge port 72 is too low, the light oil booster pump is started to transmit light oil to the light oil inlet 61, and when the pressure transmitter detects that the pressure of the light oil inlet 61 is greater than or equal to a set pressure value, the internal channel of the three-way switching valve 81 for light oil and heavy oil entering is switched, and light oil is started to be supplied to the diesel engine.
(2) When the load of the diesel engine set is lower than 35% of rated power, the light oil booster pump is started to convey light oil to the light oil inlet 61, and when the pressure transmitter detects that the pressure of the light oil inlet 61 is larger than or equal to a set pressure value, the internal channel of the oil inlet light and heavy oil three-way switching valve 81 is switched, and light oil is started to be supplied to the diesel engine.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (4)
1. The fuel oil circulating device for the high-power diesel generating set is respectively connected with the oil pump room and the diesel engine and comprises an installation base and is characterized by also comprising a fuel oil mixing tank, an oil processing mechanism, a light oil return oil cooler and a PLC electric cabinet which are sequentially connected and installed on the installation base;
the oil pump room is internally provided with light oil and heavy oil used by the diesel engine, the fuel oil circulating device is provided with a light oil inlet and a heavy oil inlet which are respectively connected with the light oil and the heavy oil in the external oil pump room, the fuel oil circulating device is provided with a circulating feeding port and a discharging port which are connected with the diesel engine, the light oil inlet and the heavy oil inlet are connected with a first inlet of the fuel oil mixing tank through an oil inlet light-heavy oil three-way conversion valve, an outlet of the fuel oil mixing tank is connected with an inlet of the oil treatment mechanism, and an outlet of the oil treatment mechanism is connected with the discharging port;
the circulating feeding port is connected with the inlet of the light oil return cooler through a first three-way valve, the other end of the first three-way valve is connected with a three-way pipe, the outlet of the light oil return cooler is connected with one end of the three-way pipe, the other end of the three-way pipe is connected with a second three-way valve, the other two ends of the second three-way valve are respectively connected with a return light and heavy oil three-way conversion valve and the second inlet of the fuel mixing tank, the fuel circulating device is further provided with a light oil circulating outlet and a heavy oil circulating outlet which are connected with the oil pump room, and the other two ends of the return light and heavy oil three-way conversion valve are respectively connected with the light oil circulating outlet and.
2. The fuel circulating device for the high-power diesel generating set according to claim 1, wherein the fuel processing mechanism comprises a fuel circulating pump, a fuel heater, a fuel filter and a fuel viscometer which are connected in sequence, an outlet of the fuel mixing tank is connected with an inlet of the fuel circulating pump, and an outlet of the fuel viscometer is connected with the discharge hole.
3. The fuel oil circulating device for the high-power diesel generating set according to claim 2, wherein the fuel oil filter is provided with an oil filter outlet, the fuel oil heater is provided with a steam inlet and a condensed water outlet, respectively, and the light oil return cooler is provided with a cooling water inlet and a cooling water outlet;
the mounting base is provided with a plurality of mounting openings, and the light oil inlet, the heavy oil inlet, the light oil circulating outlet, the heavy oil circulating outlet, the oil filtering outlet, the steam inlet, the condensate outlet and the cooling water outlet are all arranged at the mounting openings.
4. The fuel circulation device for the high-power diesel generating set according to claim 1, wherein a plurality of groups of adjusting seats are symmetrically arranged at the bottom of the mounting base, and a plurality of lifting lugs are symmetrically arranged on the side surface of the mounting base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921465163.1U CN210622951U (en) | 2019-09-04 | 2019-09-04 | Fuel oil circulating device for high-power diesel generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921465163.1U CN210622951U (en) | 2019-09-04 | 2019-09-04 | Fuel oil circulating device for high-power diesel generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210622951U true CN210622951U (en) | 2020-05-26 |
Family
ID=70742269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921465163.1U Active CN210622951U (en) | 2019-09-04 | 2019-09-04 | Fuel oil circulating device for high-power diesel generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210622951U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116163850A (en) * | 2023-02-08 | 2023-05-26 | 沪东中华造船(集团)有限公司 | Ship module integrated electric fuel pump control device and control method |
-
2019
- 2019-09-04 CN CN201921465163.1U patent/CN210622951U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116163850A (en) * | 2023-02-08 | 2023-05-26 | 沪东中华造船(集团)有限公司 | Ship module integrated electric fuel pump control device and control method |
| CN116163850B (en) * | 2023-02-08 | 2024-05-14 | 沪东中华造船(集团)有限公司 | Ship module integrated electric fuel pump control device and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1881177B1 (en) | Modular power generating system | |
| CN105098811A (en) | Hybrid energy source energy buffer balanced micro-grid for drilling machine | |
| CN210622951U (en) | Fuel oil circulating device for high-power diesel generating set | |
| CN109131819A (en) | A kind of large ship cabin cooling water recirculation system | |
| CN110867604A (en) | Large proton exchange membrane fuel cell power station process system | |
| CN112031967B (en) | Fuel supply equipment and supply method for offshore platform | |
| CN204905885U (en) | Rig is with mixing little electric wire netting of energy buffering balanced type | |
| CN205383008U (en) | Oil field distributing type energy utilization system | |
| CN108613197B (en) | Device for recycling heat energy of RTO incinerator and application method thereof | |
| WO2023206870A1 (en) | Pumping system, well site layout, and control method for pumping system | |
| CN212615107U (en) | Fuel supply equipment for offshore platform | |
| CN114151145B (en) | Method and system for enabling steam generator and accident condenser to synchronously operate | |
| CN206299414U (en) | The self-holding type turbo-engine lube oil supply system of pressure | |
| CN201180660Y (en) | Frequency conversion oil-submersible pump | |
| CN212511863U (en) | Novel photo-thermal-thermoelectric coupling system | |
| CN114576695A (en) | Air source heat pump pressure-bearing hot water system and operation method | |
| CN209213960U (en) | A kind of water mixing machine set of a variety of leaving water temperatures of distribution with decoupling function | |
| CN106523185A (en) | Heat conducting oil boiler and temperature difference thermoelectric device integrated heat and electricity co-generation system | |
| CN207218246U (en) | A kind of energy-conservation Ship Electrical Power System powered by energy storage device | |
| CN203228927U (en) | Ship waste heat utilizing device | |
| CN220221109U (en) | Heavy oil heating economizer system | |
| CN115163230B (en) | Nuclear power unit seawater desalination system | |
| CN211345495U (en) | Adjustable supercharging heating unit | |
| CN212338923U (en) | Automatic pressurized cryogenic liquid delivery device | |
| CN205001073U (en) | Fuel of many fuel combustion engine is handled and supply system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |