CN107781089A - Preheating apparatus, the system and method for diesel engine - Google Patents
Preheating apparatus, the system and method for diesel engine Download PDFInfo
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- CN107781089A CN107781089A CN201610758059.6A CN201610758059A CN107781089A CN 107781089 A CN107781089 A CN 107781089A CN 201610758059 A CN201610758059 A CN 201610758059A CN 107781089 A CN107781089 A CN 107781089A
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- Prior art keywords
- preheating
- diesel engine
- oil
- air inlet
- heater
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
- F02N19/04—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/16—Other apparatus for heating fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
- F02N19/04—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines
- F02N19/10—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines by heating of engine coolants
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The present invention provides a kind of preheating device of Wind turbines debugging generating set and its diesel engine, starts control method, diesel engine can effectively be preheated, and then the cold-starting of diesel engine is realized, to ensure that debugging can be smoothed out under various conditions.Preheating device of the present invention includes hollow body, built-in heater and preheating fuel tank in the body, and preheating fuel tank has the oil inlet connected with oil sources and the oil-out connected with the oil inlet pipe of diesel engine；Heater transfers heat to preheating fuel tank by coolant.The present invention, which starts control method, to be included：When environment temperature is unsatisfactory for the normal startup demand of diesel engine, the fuel oil of diesel engine is preheated；After preheating performs the scheduled time, control diesel engine normally starts.
Description
Technical field
The present invention relates to Wind turbines technical field, more particularly to a kind of preheating apparatus of diesel engine, system
And method.
Background technology
At present during Construction of Wind Power, due to the duration and the construction week of the supporting booster stations of wind power plant of Wind turbines installation
There is deviation in the phase, after the completion of unit lifting, the booster stations of part wind power plant do not build completion, when this results in unit regulation
Scene does not have power supply.In order to solve power issue, in the debugging process of wind power generating set, employ diesel generating set and enter
Row power supply.
Diesel generating set is made up of the part such as diesel engine, generator and control system, and diesel engine is whole
System provides power.But under cold weather conditions, particularly in wind power plant class field construction operation, diesel engine
Need to start under subzero 25 DEG C or lower of temperature environment, diesel-driven generator be present and start the problem of difficult.
It is main using the technological means for setting double fuel tanks in the prior art in order to solve the problem, in different fuel tanks
The diesel oil for depositing different labels respectively is (general to use the winter special diesel oil for bearing label in winter；Other times use " 0 " number
Diesel oil)；In the relatively low environment of temperature, start engine first with the low diesel oil of label, while using heater to label
High diesel oil is heated, and when oil temperature reaches working stamndard, then switches oil circuit, so as to the lower high grade bavin of use cost
Oil.This mode can solve the problem that above-mentioned technical problem to a certain extent, but have that heating process is very long, and the stand-by period is long
Technical problem.Because only only accounting for oil temperature this factor in the solution of prior art, and it have ignored Air Temperature
The influence of degree or engine body self-temperature to engine start.Therefore, a kind of preheating of diesel engine how is designed
Device so that diesel engine can rapidly pre-warming, realize the started quickly at low temperature of diesel engine, turn into people in the art
The technical problem of the current urgent need to resolve of member.
The content of the invention
It is an object of the invention to provide the pre-add hot charging of a kind of Wind turbines debugging generating set and its diesel engine
Put, diesel engine can effectively be preheated, and then realize the cold-starting of diesel engine, to ensure debugging various
Under the conditions of can be smoothed out.
To achieve the above object, the invention provides a kind of preheating apparatus of diesel engine, including hollow body,
The heater and preheating fuel tank being built in the body, the preheating fuel tank have the oil inlet and and bavin connected with oil sources
The oil-out of the oil inlet pipe connection of oil turbine；The cooler bin for carrying coolant, the cooler bin are additionally provided with the body
Being connected with the coolant circulation system of diesel engine, the heater and the preheating fuel tank are placed in the cooler bin,
The heater is heated to coolant and the preheating fuel tank is heated by coolant.
The preheating apparatus of the present invention, provided with preheating fuel tank and heater, preheating fuel tank is heated by heater,
And then lift oil temperature to the oil temperature for being easy to diesel engine starting, the oil after heating is then delivered to diesel oil hair by preheating fuel tank
The oil inlet pipe of motivation, supply diesel engine are used, and entry condition is created for diesel engine.
Alternatively, the body has the air inlet connected with source of the gas and gone out with what the air inlet pipe of diesel engine connected
Gas port.
Alternatively, the cooler bin has the cooling liquid outlet connected with the cooling liquid inlet pipe of diesel engine.
Alternatively, the heater is the fuel heater provided with fuel oil air inlet pipe and fuel oil blast pipe, and the fuel oil enters
Tracheae passes the connects with the internal cavities of the cooler bin and the body, the fuel oil blast pipe pass successively the cooler bin and
The body and be in communication with the outside.
Alternatively, in addition to oil sources the oil feed line connected, the oil feed line have the first branch in parallel and the
Two branches, first branch connect with the oil inlet of the preheating fuel tank, second branch and the fuel oil of the heater
Oil inlet connects, and second branch is provided with check valve.
Alternatively, in addition to control piece, it is connected with the heater signal.
Alternatively, in addition to the temperature detection part that is built in the body, it is connected with the control piece signal.
Alternatively, in addition to for the heater and the control piece battery powered.
Alternatively, the air inlet of the body is provided with air door, for blocking the air inlet in not air inlet.
Alternatively, in addition to access panel, the body is removably attachable to, and sealed by seal.
Alternatively, the body is provided with heat-insulation layer.
Present invention also offers a kind of preheating system of diesel engine, including diesel engine and connected pre-
Heater, the preheating apparatus are above-mentioned preheating apparatus.
Alternatively, in addition to judge whether environment temperature meets that the environment temperature of the startup demand of the diesel engine is sentenced
Disconnected module, is connected with the startup control system signal of the diesel engine.
The present invention also provides a kind of preheating method of diesel engine, comprises the following steps：
When environment temperature is unsatisfactory for the normal startup demand of diesel engine, pair circulated with the coolant of diesel engine
System connectivity simultaneously carries the cooler bin of coolant and heated, with pre- liquid cooled heat；
By the preheating fuel tank for being built in cooler bin and being connected with the fuel oil circulatory system of diesel engine, to entering
The fuel oil of diesel engine is preheated；
After preheating performs the scheduled time, control diesel engine normally starts.
Alternatively, when environment temperature is unsatisfactory for normally starting demand, by the air inlet of diesel engine introduce built in
State in the cavity of cooler bin, exported after being preheated so as to the air inlet to diesel engine to the air inlet pipe of diesel engine.
Alternatively, the synchronous preheating performed to the fuel oil of diesel engine, air inlet and coolant.
Alternatively, after preheating performs the scheduled time, judge whether the temperature of fuel oil, air inlet and/or coolant exceedes in advance
Definite value, it is then to stop preheating, control diesel engine normally starts, and otherwise continues to preheat.
Alternatively, environment temperature is detected, to judge whether current environment temperature meets normal startup demand.
The present invention at least has the advantages that：
Prior art is compared, this programme avoids installing valve or switch, structure letter without toggling between double fuel tanks
Single, reliability is high；In addition, the diesel oil of high grade can be used only in the winter time, and realize quick start；
This programme is arranged on fuel tank is preheated in cooler bin, and cooler bin connects with the coolant circulation system of engine,
When the temperature rise of coolant, engine body temperature is enabled to rise rapidly, and then be rapidly achieved entry condition.Simultaneously
Can also be on the basis of being heated to oil and/or coolant, the further air inlet to diesel engine is heated, and then
Realization faster starts.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the preheating apparatus provided by the present invention in embodiment；
Fig. 2 is the surface structure schematic diagram of preheating apparatus shown in Fig. 1；
Fig. 3 is the preheating method schematic diagram of diesel engine；
When Fig. 4 is that preheating apparatus shown in Fig. 1 is used for diesel engine, control of the diesel engine in start-up course is former
Manage schematic diagram.
In Fig. 1-4：
Body 1, heater 2, preheating fuel tank 3, oil inlet pipe 4, air inlet pipe 5, cooler bin 6, cooling liquid inlet pipe 7, fuel oil enter
Tracheae 8, fuel oil blast pipe 9, oil feed line 10, the first branch 11, the second branch 12, check valve 13, control piece 14, temperature detection
Part 15, battery 16, access panel 17, air supply pipe 18, coolant outlet 19.
Embodiment
The invention provides a kind of preheating apparatus of diesel engine and system, can have to diesel engine
Effect preheating, and then the cold-starting of diesel engine is realized, to ensure that debugging can be smoothed out under various conditions.
Below in conjunction with accompanying drawing, the present invention is specifically introduced, so as to those skilled in the art's accurate understanding present invention's
Technical scheme.
As shown in figure 1, the invention provides a kind of preheating apparatus of diesel engine, including hollow body 1, this
Built-in having heaters 2 and preheating fuel tank 3, preheating fuel tank 3 have oil inlet and oil-out in body 1, wherein, oil inlet connects with oil sources
Logical, oil-out connects with the oil inlet pipe 4 of diesel engine；Hot friendship is carried out by coolant between heater 2 and preheating fuel tank 3
Change, by heat transfer caused by heater 2 to fuel tank 3 is preheated, to be heated to the oil in preheating fuel tank 3, by oil temperature liter
Required temperature value when up to diesel engine starts, the oil inlet pipe 4 of diesel engine, supply are then delivered to by oil-out
Diesel engine uses.
Meanwhile body 1 can also have the air inlet connected with source of the gas and go out with what the air inlet pipe 5 of diesel engine connected
Gas port, source of the gas is introduced into the internal cavities of body 1 by air inlet, heater 2 in the course of the work may be used also by caused heat
The gas in the internal cavities in body 1 is passed in a manner of by heat radiation and heat transfer etc., so that temperature rise of bringing about the desired sensation, shape
Into the gas for being easy to burning, the air inlet pipe 5 of diesel engine is delivered to via gas outlet, diesel engine is supplied and uses.
The cooler bin 6 for carrying coolant is additionally provided with body 1, heater 2 and preheating fuel tank 3 can be placed in cooler bin
In 6, now, the coolant in cooler bin 6 is used as heat transferring medium, realizes that heater 2 with preheating the heat exchange of fuel tank 3, will add
Heat transfer caused by hot device 2 gives preheating fuel tank 3, to be heated to the low temperature fluid in preheating fuel tank 3.
Now, the internal cavities of body 1 are the part outside cooler bin 6, and the segment space is empty as the storage of source of the gas
Between；Because the gas being introduced into body 1 is in, cooler bin 6 is outer, in the internal cavities in body 1, can with cooler bin 6
Coolant is exchanged heat, to realize the heating of gas so that gas heating is the combustion gas for being available for burning.
Also, cooler bin 6 is also provided with cooling liquid outlet, the cooling liquid inlet of the cooling liquid outlet and diesel engine
Pipe 7 connects.Now, the coolant in cooler bin 6 serves triple functions：On the one hand, the function of heat transferring medium is assume responsibility for, is realized
The heat exchange of heater 2 and preheating fuel tank 3；On the other hand, the heating of coolant itself is realized in heat transfer process, after the heating
Coolant can be delivered to the cooling liquid inlet pipe 7 of diesel engine via cooling also outlet, diesel engine should be given to use,
Coolant as diesel engine；Furthermore the function of cooling heater 2 is served, heater 2 is cooled, to avoid
The temperature rise of heater 2 is too high to normal work.
It can be seen that preheating apparatus of the invention, by the setting of body 1 and heater 2, is realized to diesel engine
Fuel oil, air inlet and the preheating of coolant, provide condition for the startup of diesel engine at low ambient temperatures.
Specifically, heater 2 can be fuel heater, have fuel oil air inlet pipe 8 and fuel oil blast pipe 9, the fuel oil
Air inlet pipe 8 passed by cooler bin 6 and with the connects with the internal cavities of body 1, and then connected by internal cavities with source of the gas, by inside
Gas in cavity is delivered to fuel heater and used, there is provided the gas condition needed for fuel heater burning；Fuel oil is arranged
Tracheae 9 passes cooler bin 6 and body 1 and protruding successively, so as to be in communication with the outside, and then will be given up caused by fuel heater
Gas is discharged.
During using fuel heater, on the one hand, the connects with the internal cavities that fuel oil air inlet pipe 8 can directly with body 1, and then
Using the gas in internal cavities as combustion gas；On the other hand, fuel oil blast pipe 9 is passed by cooler bin 6 and is placed in body 1,
And passed by body 1 to being in communication with the outside, EGT is higher caused by fuel heater, in waste gas via fuel oil blast pipe
During 9 outwards convey, it can be exchanged heat with the gas in the internal cavities of body 1, so as to realize in internal cavities
The heating of gas, the temperature of lift gas, it can not only be used in order to fuel heater, diesel engine can also be conveyed to,
Air inlet as diesel engine.
Furthermore to realize the fuel feeding to preheating fuel tank 3 and fuel heater, the present invention can also set oil feed line 10,
The oil feed line 10 connects with oil sources, and with the first branch 11 and the second branch 12 being arranged in parallel；First branch 11 with it is pre-
Deep fat case 3 connects, and the second branch 12 connects with the fuel oil oil inlet of heater 2.Now, by oil feed line 10, realize simultaneously
To heater 2 and the fuel feeding of preheating fuel tank 3, pipeline setting is optimized, simplifies the structure of preheating apparatus.
Meanwhile to avoid fluid from flowing backwards, can also the second branch 12 set check valve 13, with realize the second branch 12 to
The one-way flow of fuel oil oil inlet.
On the basis of the above, the present invention can also include control piece 14, and the control piece 14 is connected with the signal of heater 2, from
And heater 2 is opened and closed according to ambient temperature, realize the warm-up control of diesel engine.Signal connection refer to wired or
Wirelessly realize a kind of connection of signal interaction.
At the same time, temperature detection part 15 can also be set in body 1, and temperature detection part 15 and control piece 14 are believed
Number connection, so as to which temperature in body 1 judges whether to need to close heater 2.
To realize the normal operation of heater 2 and control piece 14, the present invention can also include battery 16, to realize simultaneously
Power supply to heater 2 and control piece 14.The voltage of battery 16 can be selected according to the model of heater 2 and control piece 14
Select, can such as select 24V battery 16.
Below in conjunction with Fig. 1 and Fig. 2, preheating apparatus of the invention is specifically described.
As shown in Fig. 2 in the preheating apparatus of the present invention, the air inlet of body 1 can be connected by air supply pipe 18 and source of the gas
It is logical；Cooler bin 6 can be provided with the cooling liquid inlet for being used for introducing coolant, and cooling liquid inlet can specifically pass through cooling liquid outlet
Pipe 19 connects with liquid coolant sources, can specifically use water as coolant.Now, fuel feed pump, coolant outlet 19 and supply
Pipe 18 can be communicated in the side of body 1, specifically can be with almost parallel.
Because body 1 is mainly used in realizing the preheating to fuel oil, air inlet and coolant, being then fed to diesel engine makes
With.Therefore, body 1 can also be communicated with oil inlet pipe 4, air inlet pipe 5 and the cooling liquid inlet pipe 7 of diesel engine, these pipes
Road can be connected to the opposite side of body 1, as shown in Fig. 2 to supply diesel engine use.
Because the internal cavities of body 1 form gas storage chamber, for realizing the heating to low temperature source of the gas, therefore, body 1
Heat-insulation layer can also be set, to realize that insulation is set so that the gas in internal cavities can be rapidly heated and maintain certain
In temperature range.
In addition, to improve the heat-insulating property of body 1, body 1 can also set various sealing structures.
For example, air door, when not air inlet, work of the air door in self gravitation can be set at the air inlet of body 1
With lower by air inlet self-closed, to block air inlet, the sealing of body 1 is realized, auxiliary plays insulation effect.
Body 1 can also set access panel 17, to realize maintenance and maintenance to preheating apparatus；Access panel 17 can be adopted
Body 1 is fixed on dismountable connected mode, is such as spirally connected, clamping connected mode, in order to repair and maintenance.Meanwhile overhaul
It can be realized and be tightly connected by seals such as seal gaskets between plate 17 and body 1, to play insulation effect.
Below in conjunction with Fig. 3 and Fig. 4, the control process that diesel engine is applied to preheating apparatus of the present invention is carried out in detail
Explanation.
For the preheating system of the diesel engine of the present invention, including diesel engine and connected pre-add hot charging
Put.
Really as stated in the Background Art, because the environment of wind power plant class field construction operation is more severe, when external environment temperature
When spending relatively low, diesel engine just needs to start under subzero 25 DEG C or lower environment temperature.For diesel engine
The problem of cold-starting difficulty, the present invention are provided with preheating apparatus for diesel engine；Due to diesel engine start successfully with
Whether no to be effectively atomized with fuel oil relevant, and the key factor of fuel-oil atmozation includes：Intake air temperature, fuel oil temperature and machine
Temperature；For these three key factors, preheating apparatus of the invention can be to the fuel oil of diesel engine, air inlet and cold
But liquid is preheated, to realize the cold-starting of diesel engine.
For control is better achieved, the preheating system of diesel engine provided by the present invention can also include environment temperature
Judge module is spent, for judging whether environment temperature meets the startup demand of diesel engine；The environment temperature judge module can
It is connected with the startup control system signal with diesel engine, the startup control system controls preheating apparatus according to judged result
Keying, and then the control by whether preheating be diesel engine found entry condition.
In the embodiment that preheating apparatus is provided with control piece 14, the control piece 14 can be integrated in opening for diesel engine
Autocontrol system, in other words, the startup control system of diesel engine can be provided with the control being controlled to preheating apparatus
Part 14.In practice, the startup control system of diesel engine specifically can be with control panel, and the control piece 14 of preheating apparatus can be with
For the control module on control panel.
As shown in figure 3, the present invention can also provide a kind of preheating method of diesel engine, enabled instruction is being received
Afterwards, the startup of diesel engine can be specifically performed as steps described below：
S10：Environment temperature judgement is carried out, to judge whether current environment temperature meets what diesel engine normally started
Demand, step S20 is otherwise performed, be then to perform step S40；
S20：Preheating program is performed, starts heater 2, the fuel oil of diesel engine, air inlet and coolant are carried out pre-
Heat, the preheating to fuel oil, air inlet and coolant specifically can be synchronously performed, can also carried out successively as needed, or it is only right
In three any one or both preheated；
S30：Judge whether preheating program performs the scheduled time, otherwise return to step S20 continues executing with preheating, is to perform
Step S40 and step S50；
S40：Control diesel engine normally starts；
S50：Judge whether the temperature of fuel oil, air inlet and/or coolant is too high, be then to stop preheating, can specifically pass through
Judge whether the temperature of the internal cavities of the body 1 of preheating apparatus is too high, be to illustrate fuel oil, air inlet and/or coolant
Temperature is too high, can now close heater 2, to exit preheating program, stops preheating, otherwise continues executing with preheating program.
As shown in figure 4, in step slo, during startup, environment temperature can be entered by environment temperature judge module first
Row detection and judgement, can specifically set a standard value, when environment temperature is less than the standard value, judge environment temperature mistake
It is low, it is impossible to meet the needs of diesel engine normally starts；Conversely, then judge that environment temperature is enough, disclosure satisfy that diesel engine
The demand that machine normally starts；The standard value can be zero degrees celsius, can also carry out difference setting according to ambient conditions.
If environment temperature is enough, normally start according to step S40 control diesel engines, if environment temperature mistake
It is low, then preheating program is performed according to step S20, can specifically start heater 2, fuel oil, air inlet and coolant etc. are carried out
Preheating；After the preheated one-section time (this can be demarcated as the scheduled time for a period of time), diesel engine is controlled according to step S40
It is normal to start；The scheduled time can be adjusted and set as needed.
While preheating program is performed, preheating apparatus can also be carried out using the temperature detection part 15 in body 1
Monitoring, to avoid the temperature anomaly in the internal cavities of body 1, as temperature is too high, illustrate fuel oil, air inlet and/or coolant
Temperature is too high, at this point it is possible to directly close down heater 2, to stop preheating, exits preheating program, avoids overheating and influenceing diesel oil
The startup of engine.
It is whether too high for the temperature of fuel oil, air inlet and/or coolant, can be that three sets corresponding predetermined value, should
When predetermined value is that diesel engine normally starts, the peak in the normal range (NR) of the temperature value corresponding to three is then if super
Predetermined value is crossed, illustrates that the temperature of fuel oil, air inlet and/or coolant is too high.Similarly, when the temperature detection part 15 in utilization body 1
Can be the temperature setting in the body 1 when being monitored to preheating apparatus to judge fuel oil, air inlet and the temperature of coolant
One reference value, when reaching the reference value, fuel oil, air inlet and coolant correspond to the highest in respective temperature value normal range (NR)
Value, then more than the reference value, illustrate that the temperature of fuel oil, air inlet and/or coolant is too high.
The preheating apparatus of Wind turbines debugging generating set provided by the present invention and its diesel engine is entered above
Go and be discussed in detail.Specific case used herein is set forth to the principle and embodiment of the present invention, and the above is implemented
The explanation of example is only intended to help the core concept for understanding the present invention.It should be pointed out that the ordinary skill people for the art
For member, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these improve and
Modification is also fallen into the protection domain of the claims in the present invention.
Claims (18)
1. a kind of preheating apparatus of diesel engine, it is characterised in that including hollow body (1), be built in the body
(1) heater (2) and preheating fuel tank (3) in, the preheating fuel tank (3) have the oil inlet and and diesel oil connected with oil sources
The oil-out of oil inlet pipe (4) connection of engine；The cooler bin (6) for carrying coolant is additionally provided with the body (1), it is described
Cooler bin is connected by the coolant circulation system of cooling liquid inlet pipe (7) and coolant outlet (19) and diesel engine
Logical, the heater (2) and the preheating fuel tank (3) are placed in the cooler bin (6), and the heater (2) is to coolant
Heated and the preheating fuel tank (3) is heated by coolant.
2. preheating apparatus as claimed in claim 1, it is characterised in that the body (1) has to be connected with air supply pipe (18)
Air inlet and the gas outlet that is connected with the air inlet pipe (5) of diesel engine.
3. preheating apparatus as claimed in claim 2, it is characterised in that the cooler bin (6) has and diesel engine
The cooling liquid outlet of cooling liquid inlet pipe (7) connection.
4. preheating apparatus as claimed in claim 3, it is characterised in that the heater (2) is provided with fuel oil air inlet pipe (8)
With the fuel heater of fuel oil blast pipe (9), the fuel oil air inlet pipe (8) passes the cooler bin (6) and the body (1)
Connects with the internal cavities, the fuel oil blast pipe (9) pass the cooler bin (6) and the body (1) and are in communication with the outside successively.
5. preheating apparatus as claimed in claim 4, it is characterised in that also include the oil feed line (10) connected with oil sources,
The oil feed line (10) has in parallel the first branch (11) and the second branch (12), first branch (11) with it is described pre-
The oil inlet connection of deep fat case (3), second branch (12) connects with the fuel oil oil inlet of the heater (2), and described the
Two branches (12) are provided with check valve (13).
6. the preheating apparatus as described in claim any one of 2-5, it is characterised in that and described also including control piece (14)
Heater (2) signal connects.
7. preheating apparatus as claimed in claim 6, it is characterised in that also include the temperature being built in the body (1)
Detection piece (15), it is connected with the control piece (14) signal.
8. preheating apparatus as claimed in claim 6, it is characterised in that it is the heater (2) and the control also to include
The battery (16) of part (14) power supply.
9. preheating apparatus as claimed in claim 6, it is characterised in that the air inlet of the body (1) is provided with air door,
For blocking the air inlet in not air inlet.
10. preheating apparatus as claimed in claim 9, it is characterised in that also including access panel (17), be removably attachable to
The body (1), and sealed by seal.
11. preheating apparatus as claimed in claim 10, it is characterised in that the body (1) is provided with heat-insulation layer.
12. a kind of preheating system of diesel engine, including diesel engine and connected preheating apparatus, its feature
It is, the preheating apparatus is the preheating apparatus described in the claims any one of 1-11.
13. preheating system as claimed in claim 12, it is characterised in that also including judging it is described whether environment temperature meets
The environment temperature judge module of the startup demand of diesel engine, connect with the startup control system signal of the diesel engine
Connect.
14. a kind of preheating method of diesel engine, it is characterised in that comprise the following steps：
When environment temperature is unsatisfactory for the normal startup demand of diesel engine, the coolant circulation system pair with diesel engine
The cooler bin for connecting and carrying coolant is heated, with pre- liquid cooled heat；
By the preheating fuel tank for being built in cooler bin and being connected with the fuel oil circulatory system of diesel engine, into diesel oil
The fuel oil of engine is preheated；
After preheating performs the scheduled time, control diesel engine normally starts.
15. preheating method as claimed in claim 14, it is characterised in that when environment temperature is unsatisfactory for normal startup demand
When, the air inlet of diesel engine is introduced and is built-in with the cavity of the cooler bin, so that the air inlet to diesel engine is carried out
Exported after preheating to the air inlet pipe of diesel engine.
16. preheating method as claimed in claim 15, it is characterised in that synchronous to perform the fuel oil to diesel engine, enter
The preheating of gas and coolant.
17. as claimed in claim 15 preheating method, it is characterised in that when preheating perform the scheduled time after, judge fuel oil,
Whether the temperature of air inlet and/or coolant exceedes predetermined value, is then to stop preheating, control diesel engine normally starts, otherwise
Continue to preheat.
18. the preheating method as described in claim any one of 14-17, it is characterised in that environment temperature is detected, with
Judge whether current environment temperature meets normal startup demand.
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| CN201610758059.6A CN107781089B (en) | 2016-08-29 | 2016-08-29 | Preheating apparatus, the system and method for diesel engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610758059.6A CN107781089B (en) | 2016-08-29 | 2016-08-29 | Preheating apparatus, the system and method for diesel engine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458265A (en) * | 2018-12-29 | 2019-03-12 | 潍柴动力股份有限公司 | A kind of engine starting method and device |
| CN110107415A (en) * | 2019-07-04 | 2019-08-09 | 潍柴动力股份有限公司 | A kind of engine cold starting method, electronic control unit and system |
| CN112160858A (en) * | 2020-10-21 | 2021-01-01 | 马鞍山市常立发机械制造有限公司 | Agricultural machine is with diesel engine that has diesel oil heating device |
| CN113090431A (en) * | 2021-05-07 | 2021-07-09 | 江苏苏美达机电科技有限公司 | Fuel oil heating starting control system and method for generator set |
| CN113339174A (en) * | 2021-06-18 | 2021-09-03 | 广西玉柴机器股份有限公司 | Fuel oil heating method for diesel power generation power assembly |
| CN113550833A (en) * | 2021-08-31 | 2021-10-26 | 徐州徐工矿业机械有限公司 | Method for controlling initial starting rotating speed of excavator engine based on oil liquid balance |
| CN115076004A (en) * | 2022-07-12 | 2022-09-20 | 上海新动力汽车科技股份有限公司 | Opening control method for electric control engine air inlet preheating device for generator set during starting |
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| CN2052441U (en) * | 1989-08-03 | 1990-02-07 | 薛殿甲 | Recovery device for waste heat of internal-combustion engine |
| CN202325917U (en) * | 2011-11-07 | 2012-07-11 | 李心月 | Pre-heating magnetized fuel economizer for engine |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458265A (en) * | 2018-12-29 | 2019-03-12 | 潍柴动力股份有限公司 | A kind of engine starting method and device |
| CN110107415A (en) * | 2019-07-04 | 2019-08-09 | 潍柴动力股份有限公司 | A kind of engine cold starting method, electronic control unit and system |
| CN112160858A (en) * | 2020-10-21 | 2021-01-01 | 马鞍山市常立发机械制造有限公司 | Agricultural machine is with diesel engine that has diesel oil heating device |
| CN112160858B (en) * | 2020-10-21 | 2021-12-03 | 马鞍山市常立发机械制造有限公司 | Agricultural machine is with diesel engine that has diesel oil heating device |
| CN113090431A (en) * | 2021-05-07 | 2021-07-09 | 江苏苏美达机电科技有限公司 | Fuel oil heating starting control system and method for generator set |
| CN113339174A (en) * | 2021-06-18 | 2021-09-03 | 广西玉柴机器股份有限公司 | Fuel oil heating method for diesel power generation power assembly |
| CN113550833A (en) * | 2021-08-31 | 2021-10-26 | 徐州徐工矿业机械有限公司 | Method for controlling initial starting rotating speed of excavator engine based on oil liquid balance |
| CN113550833B (en) * | 2021-08-31 | 2024-02-02 | 徐州徐工矿业机械有限公司 | Initial starting rotating speed control method for excavator engine based on oil balance |
| CN115076004A (en) * | 2022-07-12 | 2022-09-20 | 上海新动力汽车科技股份有限公司 | Opening control method for electric control engine air inlet preheating device for generator set during starting |
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| CN107781089B (en) | 2019-05-31 |
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Address after: 830026 No. 107, Shanghai Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region Patentee after: Jinfeng Technology Co.,Ltd. Address before: 830026 No. 107, Shanghai Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region Patentee before: XINJIANG GOLDWIND SCIENCE & TECHNOLOGY Co.,Ltd. |