CN106640279A - Tail gas heat exchanger of internal combustion engine and tail gas cooling system of internal combustion engine - Google Patents
Tail gas heat exchanger of internal combustion engine and tail gas cooling system of internal combustion engine Download PDFInfo
- Publication number
- CN106640279A CN106640279A CN201710038563.3A CN201710038563A CN106640279A CN 106640279 A CN106640279 A CN 106640279A CN 201710038563 A CN201710038563 A CN 201710038563A CN 106640279 A CN106640279 A CN 106640279A
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- China
- Prior art keywords
- internal combustion
- cooler bin
- division board
- tail gas
- cooling
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/0205—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using heat exchangers
Abstract
The invention provides a tail gas heat exchanger of an internal combustion engine. The tail gas heat exchanger comprises a cooling box, a discharge box, a cooling tube and a first isolating plate, wherein a tail gas inlet is formed in the top of the cooling box; the first isolating plate is arranged between the tail gas inlet and the bottom of the cooling box; the side of the first isolating plate is in sealing connection with the inner side wall of the cooling box; a liquid inlet and a liquid outlet are formed in the side of the cooling box positioned between the bottom of the cooling box and the first isolating plate; a box opening is formed in the top of the discharge box; the discharge box is connected with the bottom of the cooling box through the box opening; a tail gas discharge hole and a discharge outlet are further formed in the discharge box; and the cooling tube is arranged between the bottom of the cooling box and the first isolating plate, and communicates with the tail gas inlet and the box opening. The invention further provides a tail gas cooling system of the internal combustion engine. The tail gas heat exchanger of the internal combustion engine is simple in structure, is low in production cost, is convenient to clean, and therefore, popularization and use of the tail gas heat exchanger of the internal combustion engine and the tail gas cooling system of the internal combustion engine are facilitated.
Description
Technical field
The present invention relates to technical field of engines, more particularly, to a kind of exhaust gases of internal combustion engines heat exchanger and exhaust gases of internal combustion engines
Cooling system.
Background technology
Anti-explosion diesel engine is a kind of excellent engine of security performance, has been widely applied in ammunition depot, fuel-firing gas-firing storehouse
The various inflammable and explosive occasions such as area, petrochemical industry, colliery.Wherein, it is its exhaust temperature that anti-explosion diesel engine has an important technical indicator
Degree is no more than 135 DEG C (T4) or 200 DEG C (T3).So cooling process must be carried out to the tail gas of diesel engine：Will tail gas 500
～600 DEG C of high temperature drops to the discharge standard at a temperature of T3 or T4 is required.Existing technology is most commonly used that wet exhaust is processed
Technology, i.e., lowered the temperature by washing, the method for taking a shower to tail gas, but using wet exhaust treatment technology, can be due to row
The back pressure of gas increases and causes the power output of engine significantly to decline, such that the operating efficiency of anti-explosion diesel engine is not
It is high so that its use range is restricted, and using wet exhaust treatment technology need it is a large amount of consume cooling waters, because
A difficult problem for this moisturizing can be such that the mobility of anti-explosion diesel engine and continuous service is also greatly limited.
In order to overcome the reduction power and the defect of frequent moisturizing of wet exhaust treatment technology, occur in that and be applied to explosion-proof bavin
Dry type tail gas disposal technique in oil machine tail gas discharge system, it enters explosion-proof bavin by the exhaust emissions for producing anti-explosion diesel engine
The heat exchanger of oil machine is (including cooling water tank and the cooling pipe being made up of multiple cooling pipes being positioned in cooling water tank
Network etc.) in, such tail gas carries out heat exchange by the cooling water in the cooling pipe network in heat exchanger and cooling water tank,
The temperature of the tail gas after heat exchange can be reduced, and because the discharge of tail gas will not be subject to the resistance of water, therefore explosion-proof bavin
The power output of oil machine will not be greatly lowered；In addition the water after heat exchange in cooling water tank can also be by a circulation
Water pump is pumped into in a radiator and is radiated, and is pumped in the water after radiator heat-dissipation is cooled down by the water circulating pump
In cooling water tank, so that the temperature of the water of cooling water tank will not be raised, so can be by water circulation use, therefore anti-explosion diesel
Machine does not need frequent moisturizing in the middle of the process of work.
But the cooling pipe network in the heat exchanger of existing anti-explosion diesel engine is typically by the cold of multistage horizontal positioned
But pipeline is formed by multiple elbow tandem compounds, therefore the structure of the heat exchanger of existing anti-explosion diesel engine is more complicated,
So as to cause its production cost higher.
In addition in the running of anti-explosion diesel engine, can be containing the halfway combustion of burning in the tail gas of anti-explosion diesel engine
The residues such as oil, lubricating oil and carbon particle, these residues can be condensed in the heat exchanging process of cooling pipe network, and with
On the inner surface of the form adhesion of greasy dirt cooling pipe in a heat exchanger.With pushing away for anti-explosion diesel engine run time
Move, the greasy dirt sticked on the inner surface of cooling pipe is necessarily more and more, so as to affect the heat exchange effect of heat exchanger, sternly
The cooling pipe that heat exchanger is resulted even in during weight is blocked and security incident occurs.In order to ensure that anti-explosion diesel engine can be just
Often operation, needs timing to clean the cooling pipe in the heat exchanger of anti-explosion diesel engine.But due to existing explosion-proof
Cooling pipe in the heat exchanger of diesel engine is generally horizontal positioned and cooling pipe to be needed to be connected by elbow each other
Connection, the cooling pipe that such user is difficult in the heat exchanger to anti-explosion diesel engine carries out effectively cleaning, and (being particularly detained has
The bend part of greasy dirt).
From upper analysis, because the complex structure of the heat exchanger of existing anti-explosion diesel engine, production cost are higher and
It is not easy to user to clean the cooling pipe of its inside, therefore have impact on the popularization of the heat exchanger of anti-explosion diesel engine to make
With, and then have impact on the popularization of anti-explosion diesel engine and use.
The content of the invention
For the problems referred to above, it is an object of the invention to provide a kind of exhaust gases of internal combustion engines heat exchanger, its simple structure, life
Produce low cost and be easy to cleaning, therefore the present invention is conducive to the popularization of the exhaust gases of internal combustion engines heat exchanger to use；The present invention's
Purpose also resides in a kind of exhaust gases of internal combustion engines cooling system including the exhaust gases of internal combustion engines heat exchanger of offer.
To achieve these goals, one aspect of the present invention provides a kind of exhaust gases of internal combustion engines heat exchanger, and it includes cooling
Case, discharge case, at least one cooling tube and at least one piece first division board；Confession and internal combustion engine are provided with the top of the cooler bin
Tail gas spout connection tail gas air inlet, first division board is located at the bottom of the tail gas air inlet and the cooler bin
Between, and the side of first division board is tightly connected with the madial wall of the cooler bin；The plate of first division board
At least one first openings are offered on face, the bottom of the cooler bin offers and the described first opening one-to-one second
Opening, the first end of the cooling tube is arranged at correspondingly at first opening, and the second end of the cooling tube is arranged
At the second opening corresponding with the described first opening；
The side of the cooler bin between the cooler bin bottom and first division board offers inlet
And liquid outlet；
The case mouth connected with the described second opening is offered at the top of the discharge case, the discharge case passes through the case
Mouth is connected with the bottom of the cooler bin, and the discharge case is further opened with exhaust port and sewage draining exit.
Further, near the bottom of the cooler bin, the liquid outlet is near first division board for the inlet.
Further, the sewage draining exit is located at the bottom of the discharge case or located at the side of the discharge case and close
The bottom of the discharge case.
Preferably, the exhaust gases of internal combustion engines heat exchanger also includes the metal for being connected with the tail gas spout of the internal combustion engine
Connecting hose, one end of the metal connecting hose is connected with the tail gas air inlet.
Further, the outer tube wall of the metal connecting hose is arranged with cooling water pipe.
Preferably, the top of the cooler bin is hood-like structure, and the tail gas air inlet is located at the top of the cooler bin
Center.
Further, the outer surface at the top of the cooler bin is provided with cooling jacket.
Further, the cooling tube is helicoidal structure.
Above-mentioned technical proposal is further improved, the exhaust gases of internal combustion engines heat exchanger is also arranged at including at least one piece
The second division board between first division board and the bottom of the cooler bin, second division board is each other in upper and lower
Arrange and adjacent two pieces second division boards have each other certain interval, open up in the plate face of second division board
Have at least one to correspond the 3rd opening for passing through for the cooling tube；
Second division board have the first end that is connected with the madial wall of the cooler bin and with the first end phase
To the second end, the madial wall of the second end of second division board and the cooler bin forms port, and adjacent two pieces the
The port that two division boards are formed with the madial wall of the cooler bin mutually staggers；Second division board is located at its first end and the
Side between two ends is connected with the madial wall of the cooler bin；
The inlet is arranged at the cooler bin bottom and near between the second division board of the cooler bin bottom,
The liquid outlet is arranged at first division board and near between the second division board of first division board.
Still further aspect of the present invention additionally provides a kind of exhaust gases of internal combustion engines cooling system, and it includes spark arrester, first exhaust
Pipe, second exhaust pipe, the first pipeline, second pipe, the 3rd pipeline, radiator, coolant recirculation pump and it is as above in
Combustion engine tail gas heat exchanger；Wherein, the inlet passes through the effluent pipe mouth of first pipeline and the coolant recirculation pump
Connection, the water inlet pipe mouth of the coolant recirculation pump is connected by the second pipe with the cold water delivery port of the radiator,
The water inlet of hot water of the radiator is connected by the 3rd pipeline with the liquid outlet；The exhaust port is by described
Downtake pipe is connected with the air inlet of the spark arrester, and the gas outlet of the spark arrester connects with the second exhaust pipe.
The present invention provide the exhaust gases of internal combustion engines heat exchanger and including in the exhaust gases of internal combustion engines heat exchanger
Combustion engine tail gas cooling system, by by first division board located at the bottom of the tail gas air inlet and the cooler bin it
Between, and the side of first division board is tightly connected with the madial wall of the cooler bin, so described first division board,
The madial wall three of the cooler bin bottom and the cooler bin is formed as a coolant receiving space, and outside is cold
But liquid (such as water or cooling oil etc.) can be constantly entered in the coolant receiving space by the inlet, and
And coolant stream enters described stating and so be able to can be caused described with continuously outflowing from the liquid outlet after coolant receiving space
Coolant in coolant receiving space is continuously available renewal, so that the coolant in the coolant receiving space has
Good cooling effect；And the first end of the cooling tube is arranged at first opening and its second end is arranged on institute
State at the second opening that (i.e. described cooling tube vertically or is obliquely positioned over the bottom of first division board and the cooler bin
Between), i.e. the tail gas air inlet can be connected by the cooling tube with the discharge case for being arranged at the cooler bin bottom
Logical, the tail gas of so described internal combustion engine can be entered in the cooling tube by the tail gas air inlet, and by described cold
But pipe carries out heat exchange with the coolant in the coolant receiving space, and the temperature of the tail gas after heat exchange is reduced and led to
Cross the discharge exhaust port that is provided with of case to discharge, so as to complete the temperature-fall period to exhaust gases of internal combustion engines.Additionally, working as
When cleaning to the cooling pipe of the heat exchanger, cleaning fluid, cleaning fluid meeting can be sprinkled into from the tail gas air inlet
Drop into so as to clean to the cooling tube in the cooling tube, because the cooling tube does not have elbow structure and be vertical
Or it is tilted-putted, therefore cleaning fluid can drop into described discharge in case, and by the sewage draining exit along the cooling tube
Spill out, so as to complete the cleaning process to the cooling pipe.It is of the invention relative to prior art from upper analysis
The cooling pipe of the heat exchanger is without the need for structures such as elbows, therefore its simple structure, and can reduce production cost, and
The exhaust gases of internal combustion engines heat exchanger of the present invention is easy to cleaning.Therefore the present invention is conducive to the exhaust gases of internal combustion engines heat exchanger
Popularization use, so as to the popularization of the exhaust gases of internal combustion engines cooling system for being also beneficial to include the exhaust gases of internal combustion engines heat exchanger makes
With.
Description of the drawings
In order to be illustrated more clearly that technical scheme, the accompanying drawing to be used needed for embodiment will be made below
Simply introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is a kind of sectional view of exhaust gases of internal combustion engines heat exchanger provided in an embodiment of the present invention；
Fig. 2 is a kind of top view of exhaust gases of internal combustion engines heat exchanger provided in an embodiment of the present invention；
Fig. 3 is a kind of side view of exhaust gases of internal combustion engines heat exchanger provided in an embodiment of the present invention；
Fig. 4 is a kind of cleaning schematic diagram of exhaust gases of internal combustion engines heat exchanger provided in an embodiment of the present invention；
Fig. 5 is that the coolant flow in a kind of preferred exhaust gases of internal combustion engines heat exchanger provided in an embodiment of the present invention is illustrated
Figure；
Fig. 6 is a kind of structural representation of the hot cooling system of exhaust gases of internal combustion engines provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1, Fig. 2 and Fig. 3 are referred to, one aspect of the present invention provides a kind of exhaust gases of internal combustion engines heat exchanger, and it includes cold
But case 1, discharge case 2, at least one cooling tube 3 and at least one piece first division board 4；The top of the cooler bin 1 is provided with confession
With the tail gas air inlet 5 of the tail gas spout connection of internal combustion engine, first division board 4 located at the tail gas air inlet 5 with it is described
Between the bottom of cooler bin 1, and the side of first division board 4 is tightly connected with the madial wall of the cooler bin 1, so
Be formed as a use between the madial wall three of first division board 4, the bottom of the cooler bin 1 and the cooler bin 1
In the coolant receiving space for accommodating the outside coolant (such as water or cooling oil etc.) come in；First division board 4
Plate face on offer at least one first end for accommodating the cooling tube 3 first opening, the bottom of the cooler bin 1 is opened
It is provided with second opening at least one the second end for accommodating the cooling tube 3, and first opening, second opening
And the three of cooling tube 3 mutually corresponds, so that the cooling tube 3 is placed vertically in (or even obliquely putting
It is placed in) between first division board 4 and the bottom of the cooler bin 1；And it is described discharge case 2 top offer with it is described
The case mouth 6 that second opening is connected, the discharge case 2 is connected by the case mouth 6 with the bottom of the cooler bin 1, and described
Discharge case 2 offers exhaust port 7 and sewage draining exit 8, and the tail gas that such internal combustion engine (such as anti-explosion diesel engine) emits can
To be entered in the exhaust gases of internal combustion engines heat exchanger by the tail gas air inlet 5, and by the cooling tube 3 with it is described
Coolant in coolant receiving space carries out being entered in the discharge case 2 by the case mouth 6 after heat exchange, then passes through
The exhaust port 7 is emitted；Additionally, referring to Fig. 4, outside cleaning fluid can also pass through the tail gas air inlet 5
In trickling down the cooling tube 3 in the exhaust gases of internal combustion engines heat exchanger, and the discharge is flowed into by the cooling tube 3
In case 2, then spilt out by the sewage draining exit 8 in the discharge case 2；
The side of the cooler bin 1 between the bottom of the cooler bin 1 and first division board 4 offers feed liquor
Mouth 9 and liquid outlet 10, so outside coolant can be flow in the coolant receiving space by the inlet 9,
And flowing into the coolant in the coolant receiving space can hold to vertically or being obliquely arranged at the coolant
The cooling tube 3 in space of receiving carries out the coolant after heat exchange, and heat exchange can be flowed out by the liquid outlet 10, no
Disconnected circulation, such that it is able to realize the cooling to the tail gas by the cooling tube 3.
Wherein, first division board 4 is near the tail gas air inlet 5, so described first division board 4, the cooling
The coolant receiving space that the madial wall of case 1 is mutually formed with the bottom three of the cooler bin 1 can be larger.It is appreciated that
, first division board 4 is with can also being arranged on other between the bottom of the cooler bin 1 and the tail gas air inlet 5
Side, as long as first division board 4, the madial wall of the cooler bin 1 can be caused mutual with the bottom three of the cooler bin 1
It is formed with the coolant receiving space, then just within protection scope of the present invention.
Preferably, near the bottom of the cooler bin 1, the liquid outlet 10 is near the described first isolation for the inlet 9
Plate 4.So, outside coolant can enter the cooler bin 1 by the stream of the inlet 9 near the bottom of the cooler bin 1
In, because the liquid outlet 10 is near first division board 4 positioned at the top of the inlet 9, therefore the coolant meeting
Flow from top to bottom so that coolant full of the whole coolant receiving space and effectively and fully be arranged at
The cooling tube 3 in the coolant receiving space carries out heat exchange, and then can be effectively reduced the tail of the internal combustion engine
The temperature of gas, and the coolant after heat exchange flows out from the liquid outlet 10.It should be noted that the inlet 9
Can also be arranged on the cooler bin 1 bottom and first division board 4 both centre or near described first every
From plate 4 etc., the liquid outlet 10 can also be arranged on the bottom of the cooler bin 1 and both centres of first division board 4
Or near the bottom etc. of the cooler bin 1, as long as the inlet 9 enable to the set location of the liquid outlet 10 it is cold
But liquid effectively carries out heat exchange with the cooling tube 3, then just within protection scope of the present invention, here is not done to be had
Body is limited.
Preferably, the sewage draining exit 8 is located at the bottom of the discharge case 2 or located at the side of the discharge case 2 and close
The bottom of the discharge case 2.Wherein, the sewage draining exit 8 is arranged at into the bottom of the discharge case 2 or located at the discharge case 2
Side and near the bottom of the discharge case 2, so in the cleaning process to the cooling tube 3 so that be flowed into described
The cleaning fluid and Oil stain mixture of discharge case 2 can be discharged conveniently by the sewage draining exit 8, described so as to be not accumulated in
In discharge case 2.It should be noted that the sewage draining exit 8 can also be arranged on the middle part of the side of the discharge case 2 or setting
In the side of the discharge case 2 and near described case mouth 6 etc. (now during the cooling tube 3 is cleaned, can be by institute
State exhaust gases of internal combustion engines heat exchanger to disassemble, and accordingly topple over the exhaust gases of internal combustion engines heat exchanger so that the discharge case
Cleaning fluid and Oil stain mixture in 2 is emitted by the sewage draining exit 8), here is not specifically limited.
Preferably, the cooling tube 3 is helicoidal structure.Wherein, the cooling tube 3 (i.e. helix tube) of helicoidal structure
Due to its with the contact area of the coolant of the coolant receiving space than larger, therefore the cooling tube 3 can be caused to have
There is more preferable heat exchange effect, such that it is able to preferably cool down to the tail gas of internal combustion engine.And because the cooling tube 3 is
Vertically or be inclined in the cooler bin, even if therefore the cooling tube 3 do not interfere with for helicoidal structure yet
The cleaning performance of the cooling tube.It should be noted that the cooling tube 3 can also be hollow column structure (i.e. straight pipe)
Or wave structure (i.e. bellows) etc., here is not specifically limited.It is understood that the cooling tube 3 is by heat conduction
Functional and heat-and corrosion-resistant material is made, such as copper or stainless steel etc., and here is not specifically limited.Additionally, described
The tube wall of cooling tube 3 is relatively thin, is so conducive to cooling tube 3 to carry out heat exchange with the coolant in the cooler bin 1.In order to increase
Plus the heat exchange effect of the cooling tube 3, can be being provided with dissipating for helical form or bulk on the outer tube wall of the cooling tube 3
Backing etc..
In embodiments of the present invention, outside coolant (such as water or cooling oil etc.) can pass through the inlet
9 constantly enter in the coolant receiving space, and when coolant stream enters described state after coolant receiving space can be with
Continuously outflow from the liquid outlet 10, can so cause the coolant in the coolant receiving space to be continuously available renewal,
So that the coolant in the coolant receiving space has good cooling effect；And the tail gas air inlet 5 can
With by the cooling tube 3 in the coolant receiving space and the discharge for being arranged at the bottom of the cooler bin 1
Case 2 is connected, and the tail gas of so described internal combustion engine can be entered in the cooling tube 3 by the tail gas air inlet 5, and is passed through
The cooling tube 3 carries out heat exchange with the coolant in the coolant receiving space, the exhaust temperature drop after heat exchange
The exhaust port 7 that is low and being provided with by the discharge case 2 is discharged, so as to complete the cooling to exhaust gases of internal combustion engines
Journey.Additionally, when to clean to the road of cooling tube 3 of the heat exchanger, cleaning can be sprinkled into from the tail gas air inlet 5
Liquid, cleaning fluid can be dropped into so as to clean to the cooling tube 3 in the cooling tube 3, due to the cooling tube 3 it is not curved
Header structure and be that vertically (or inclination) places, therefore cleaning fluid can be dropped in the discharge case from the cooling tube 3,
And spilt out by the sewage draining exit 8, so as to complete the cleaning process to the road of the cooling tube 3.From upper analysis, relative to
Prior art, the road of cooling tube 3 of the heat exchanger of the embodiment of the present invention is without the need for structures such as elbows, therefore simple structure, and
And production cost can be reduced, and the exhaust gases of internal combustion engines heat exchanger of the embodiment of the present invention is easy to cleaning.Therefore this
Bright embodiment is conducive to the popularization of the exhaust gases of internal combustion engines heat exchanger to use, so as to be also beneficial to include the exhaust gases of internal combustion engines
The popularization of the exhaust gases of internal combustion engines cooling system of heat exchanger is used.
In the above-described embodiments, refer to Fig. 1 and Fig. 3, it is preferable that the exhaust gases of internal combustion engines heat exchanger also include for
The metal connecting hose 11 of the tail gas spout connection of the internal combustion engine, one end of the metal connecting hose 11 and the tail gas air inlet
5 connections.Wherein, the metal connecting hose 11 being connected between the tail gas air inlet 5 and the tail gas spout of the internal combustion engine
To compensate the tail gas spout of the cooler bin 1 and the internal combustion engine drawing due to thermal expansion (even external force) between the two
The mechanical displacement for rising, and also the mechanical shock that the internal combustion engine passes to the cooler bin 1 can be prevented effectively from, and also it is described
Metal connecting hose 11 also allows for dismounting.It should be noted that in the present embodiment, the preferred connection side of the metal connecting hose 11
Formula is specially：One end of the metal connecting hose 11 is connected by way of flange connection with the tail gas air inlet 5, the gold
The other end of category connecting hose 11 is connected by way of flange connection with the tail gas spout of the internal combustion engine, i.e., described metal is soft to be connect
11 is dismountable.When the cooling tube 3 in needing to the cooler bin 1 is cleaned, the gold can be dismantled down
Category connecting hose 11, then can enter cleaning fluid in the cooler bin 1 by the tail gas air inlet 5 sprinkling.
Further, the outer tube wall of the metal connecting hose 11 is arranged with cooling water pipe.So can pass through described cold
But jacket pipe is cooled down to the metal connecting hose 11, such that it is able to avoid because uncooled tail gas is soft by the metal
Cause the temperature of the metal connecting hose 11 too high during joint 11.Additionally, the coolant in the cooling water pipe can be with
Heat exchange is carried out with the tail gas of the internal combustion engine passed through from the metal connecting hose 11, such that it is able to further improve to internal combustion
The cooling effect of the tail gas of machine.It should be noted that the cooling water pipe is a kind of surrounding is set in the outer of pipe to be cooled
Lateral wall circumference simultaneously is tightly connected to be formed with the tubulose knot of the seal cavity for coolant flow with the lateral wall of pipe to be cooled
Structure (cooling water pipe can be rectangular tube structure, oval pipe structure or circular tubular construction etc.).In order to preferably be retouched
State, here, there is provided a kind of preferred structure of the cooling water pipe being set on the outer tube wall of the metal connecting hose 11：
The cooling water pipe is the metal sleeve (tool that the outer tube wall of the metal connecting hose 11 has flexibility around for being arranged with
There is the metal sleeve of flexibility, such as the interior caliber bellows bigger than the outer tube diameter of the metal connecting hose 11 can compensate institute
State the tail gas spout of cooler bin 1 and internal combustion engine mechanical displacement between the two), the metal sleeve is soft with the metal to be connect
11 outer tube wall has certain interval and mutually forms and (is for example enclosed within the metal for a closed coolant receiving space
The two ends of the metal sleeve in connecting hose 11 respectively have the connecting portion extended to the outer tube wall of the metal connecting hose 11, institute
The two ends for stating metal sleeve are respectively tightly connected by corresponding connecting portion with the outer tube wall of the metal connecting hose 11), the gold
Category sleeve offers the first coolant inlet port entered for coolant and the first cooling fluid outlet flowed out for coolant.
In the above embodiment, it is preferable that the top of the cooler bin 1 is hood-like structure, the tail gas air inlet 5 is located at
The center at the top of the cooler bin 1.That is, the top of described cooler bin 1 can be formed as dome structure, it is so convenient to from
The exhaust gases of internal combustion engines that the tail gas air inlet 5 positioned at the center at the top of the cooler bin 1 is entered carries out rectification, so that
Exhaust gases of internal combustion engines more efficient and concentration can be entered in the cooling tube 3.
Further, the outer surface at the top of the cooler bin 1 is provided with cooling jacket.Wherein, it is arranged on the cooler bin 1
The cooling jacket on the outer surface at top can be cooled down to the top of the cooler bin 1, reduce the cooler bin 1
The temperature at top, it is possible to carry out heat exchange with the tail gas of the internal combustion engine passed through from the top of the cooler bin 1, so as to can
With the cooling effect for further improving the tail gas to internal combustion engine.It should be noted that the cooling jacket is arranged on for one kind and treats
It is tightly connected to be formed on the outer surface of cooling object (such as the top of described cooler bin 1) and with the outer surface of object to be cooled
There is the cooling structure of the seal cavity for coolant flow.In order to preferably be described, here, there is provided be arranged on the cooling
The preferred structure of one of which of the cooling jacket on the outer surface at the top of case 1：The cooling jacket is the top of the cooler bin 1
Between the lateral wall at the top of the hood-like body that the lateral wall top in portion is covered with, the hood-like body and the cooler bin 1 has necessarily
Gap and be formed as a closed coolant receiving space each other, the hood-like body offer for coolant enter it is second cold
But liquid inlet port and for coolant flow out second cooling fluid outlet.
Above-mentioned technical proposal is further improved, Fig. 1 and Fig. 5 is referred to, the exhaust gases of internal combustion engines heat exchanger is also wrapped
Include at least one piece the second division board 12 being arranged between first division board 4 and the bottom of the cooler bin 1, described second
Division board has each other certain interval in two pieces of second division boards 12 setting up and down and adjacent each other, so
Two pieces of adjacent second division boards 12 are formed with each other the cooling passage for coolant circulation, second isolation
The cooling passage that plate 12 is formed each other is in the coolant receiving space in setting up and down；Second isolation
At least one the 3rd openings are provided with the plate face of plate 12, wherein, the cooling tube 3 is correspondingly through each piece described the
The 3rd opening on two division boards 12, i.e., described cooling tube 3 is placed through the bottom of the cooler bin 1 isolates with described first
The cooling passage that each between plate 4 is formed by two pieces of adjacent second division boards 12；It is understood that adjacent
Two cooling tubes 3 there is each other the gap that certain confession coolant circulates.
Second division board 12 have the first end that is connected with the madial wall of the cooler bin 1 and with the first end
The second relative end, the second end of second division board 12 forms port 13 with the madial wall of the cooler bin 1；Adjacent two
Two ports 13 that second division board 12 described in block is formed respectively with the madial wall of the cooler bin 1 mutually stagger, i.e. phase
Second end of two pieces of adjacent second division boards 12 is relative and is located remotely from each other, and with the second end shape of second division board 12
Madial wall into the cooler bin 1 for having the port 13 is relative with the first end of second division board 12；Second isolation
The side that plate 12 is located between its first end and the second end is connected with the madial wall of the cooler bin 1, so, described in each piece
Second division board 12 in addition to the madial wall of its second end and the cooler bin 1 forms port 13, its first end and remaining side
The coolant receiving space is separated adult by the madial wall connection of cooler bin 1 described in Bian Junyu, i.e., described second division board 12
The multiple described cooling passage that the equal in magnitude or volume of product differs in size, so that in two adjacent cooling passages
Coolant can only from top to bottom be circulated by corresponding port 13.It should be noted that second division board 12 it is mutual it
Between can be parallel relation, or second division board 12 each other have certain or indefinite angle of inclination, as long as adjacent
Two pieces of second division boards 12 can be formed with the cooling passage, then just protection scope of the present invention it
It is interior.In the same manner, second division board 12 and first division board 4 each other can for parallel relation or both mutually
Between have certain angle of inclination, first division board 4 is parallel each other with the bottom of the cooler bin 1 or has
Certain angle of inclination, here is not specifically limited.
The inlet 9 is arranged at the bottom of the cooler bin 1 and the second division board 12 near the bottom of the cooler bin 1
Between, i.e. the second division board 12 and the bottom of the cooler bin 1 one coolant of formation near the bottom of the cooler bin 1 leads to
Road, the coolant entered from the stream of the inlet 9 can be flowed in the cooling passage；The liquid outlet 10 is arranged at described
One division board 4 and near between the second division board 12 of first division board 4, i.e. near first division board 4
Second division board 12 forms a cooling passage with first division board 4, flows into the coolant in the cooling passage
Can be flowed out by the liquid outlet 10.
Here, it is preferable that the inlet 9 away from the second division board 12 near the bottom of the cooler bin 1 second
End, i.e., madial wall shape of the described inlet 9 away from the second division board 12 near the bottom of the cooler bin 1 and the cooler bin
Into port 13；So, the coolant entered from the stream of the inlet 9, can flow through in the horizontal direction near the cooler bin 1
The cooling passage that the bottom of the second division board 12 of bottom and the cooler bin 1 is formed, and by with the cooling passage pair
The port 13 answered is flowed in last layer cooling passage, such that it is able to preferably cool down to the cooling tube 3.Correspondingly,
The liquid outlet 10 is away from the second end of the second division board 12 near first division board 4, i.e., described liquid outlet 10 is remote
From the port 13 that the second division board 12 near first division board 4 is formed with the madial wall of the cooler bin 1；So,
From the coolant that next layer of cooling passage is entered by the stream of corresponding port 13, can flow through in the horizontal direction near described
The cooling passage that second division board 12 of one division board 4 is formed with first division board 4, and flow from the liquid outlet 10
Go out, such that it is able to preferably cool down to the cooling tube 3.
In embodiments of the present invention, Fig. 5 is referred to, coolant is entered into by near described cold by the inlet 9
But in the cooling passage that the second division board 12 of the bottom of case 1 is mutually formed with the bottom of the cooler bin 1, and by by near
The port 13 that second division board 12 of the bottom of the cooler bin 1 is formed with the madial wall of the cooler bin 1, and flow into last layer
Cooling passage in (cooling passage by the second division board 12 near the bottom of the cooler bin 1 and with this second
Another adjacent second division board 12 of division board 12 is mutually formed), coolant flows through in the horizontal direction the last layer coolant
Passage, then another port 13 by being located remotely from each other with the port 13 flow in the cooling passage of more last layer, with this
Analogize, coolant can flow successively through each layer of cooling passage, and finally flow into by near first division board 4
In the cooling passage that two division boards 12 are formed with first division board 4, then flowed out by the liquid outlet 10.Thus may be used
See, coolant passes through successively in the horizontal from top to bottom each cooling passage, such that it is able to effectively each to passing through
The each cooling tube 3 of the individual cooling passage is cooled down.
It should be noted that the inlet 9 can also be arranged on first division board 4 near described first every
Between the second division board 12 of plate 4；Correspondingly, the liquid outlet 10 can also be arranged on the bottom of the cooler bin 1 and most lean on
Between second division board 12 of the nearly bottom of the cooler bin 1；The coolant so entered from the stream of the inlet 9 is in the coolant
To flow from top to bottom in receiving space, such that it is able to cool down to the cooling tube 3, and flowed by the liquid outlet 10
Go out.
Fig. 6 is referred to, still further aspect of the present invention additionally provides a kind of exhaust gases of internal combustion engines cooling system, and it includes spark arrester
20th, downtake pipe 21, second exhaust pipe 22, the first pipeline 23, second pipe 24, the 3rd pipeline 25, radiator 26, coolant
Circulating pump 27 and above-mentioned exhaust gases of internal combustion engines heat exchanger；Wherein, the inlet 9 by first pipeline 23 with it is described
The effluent pipe mouth connection of coolant recirculation pump 27, the water inlet pipe mouth of the coolant recirculation pump 27 by the second pipe 24 with
The cold water delivery port connection of the radiator 26, the water inlet of hot water of the radiator 26 by the 3rd pipeline 25 with it is described
Liquid outlet 10 is connected；
The exhaust port 7 is connected by the downtake pipe 21 with the air inlet of the spark arrester 20, the resistance
The gas outlet of firearm 20 connects with the second exhaust pipe 22.
The operation principle of the embodiment of the present invention is：The coolant recirculation pump 27 is dissipated by the second pipe 24 from described
Hot device 26 is pumped into the coolant after radiating and cooling, and passes sequentially through first pipeline 23, the inlet 9 by coolant
In cooler bin 1 described in spirt, the liquid outlet 10, the 3rd pipeline 25 are then passed sequentially through by the Jing in the cooler bin 1
The coolant crossed after heat exchange is sprayed onto in the radiator 26 carries out radiating and cooling, constantly repeatedly, so as to realize following for coolant
Ring.And the tail gas of the internal combustion engine can be discharged into the cooler bin 1 by the tail gas air inlet 5, and by described cold
But the coolant of the continuous circulation in the cooling tube 3 in case 1 and the cooler bin 1 carries out heat exchange, so as to realize to institute
The cooling of the tail gas of internal combustion engine is stated, the tail gas of the internal combustion engine after cooling is discharged into the discharge case 2 by the cooling tube 3
In, then pass sequentially through the downtake pipe 21, the spark arrester 20 and second exhaust pipe 22 and emit.
It should be noted that the downtake pipe 21, the second exhaust pipe 22, first pipeline 23, described
The quantity of two pipelines 24 and the 3rd pipeline 25 is set as according to actual needs one or more, and here is not done specifically
Limit.Additionally, in this embodiment, it is preferred that, the rotating shaft 30 of the coolant recirculation pump 27 can be described by belt 31
The electric machine main shaft 33 of the radiator fan 32 in radiator 26 drives, so can arrange other actuating units (such as motor,
Diesel engine etc.) driving the rotating shaft 30 of the coolant recirculation pump 27, so that the exhaust gases of internal combustion engines cooling system
Structure it is compacter and can reduce production cost.It is understood that the coolant recirculation pump 27 can be with by it
His actuating unit (such as motor, diesel engine etc.) will not be described here driving.
The exhaust gases of internal combustion engines cooling system of the embodiment of the present invention is because application has above-mentioned exhaust gases of internal combustion engines heat exchange
Device, therefore the exhaust gases of internal combustion engines cooling system structure can be caused simple and production cost can be reduced, and it is described interior
The heat exchanger in Combustion engine tail gas cooling system also allows for cleaning.Therefore the embodiment of the present invention is conducive to the internal combustion tail
The popularization of gas-heat exchanger is used, so as to be also beneficial to include the exhaust gases of internal combustion engines cooling system of the exhaust gases of internal combustion engines heat exchanger
The popularization of system is used.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those skilled in the art in technical scope disclosed by the invention, all should by the change or replacement that can be readily occurred in
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of the claims
It is accurate.
Claims (10)
1. a kind of exhaust gases of internal combustion engines heat exchanger, it is characterised in that including cooler bin, discharge case, at least one cooling tube and
At least one piece first division board；It is provided with the top of the cooler bin for the tail gas air inlet with the tail gas spout connection of internal combustion engine,
First division board is located between the tail gas air inlet and the bottom of the cooler bin, and the side of first division board
It is tightly connected with the madial wall of the cooler bin；At least one first openings are offered in the plate face of first division board,
The bottom of the cooler bin offers the second opening one-to-one with the described first opening, and the first end of the cooling tube is one by one
It is arranged in correspondence with first opening, the second end of the cooling tube is arranged at opens with the described first opening corresponding second
At mouthful；
The side of the cooler bin between the cooler bin bottom and first division board offers inlet and goes out
Liquid mouth；
Offer at the top of the discharge case and the described second case mouth for connecting of opening, the discharge case by the case mouth with
The bottom connection of the cooler bin, the discharge case is further opened with exhaust port and sewage draining exit.
2. exhaust gases of internal combustion engines heat exchanger according to claim 1, it is characterised in that the inlet is near the cooling
The bottom of case, the liquid outlet is near first division board.
3. exhaust gases of internal combustion engines heat exchanger according to claim 1, it is characterised in that the sewage draining exit is located at the discharge
The bottom of case or located at it is described discharge case side and near it is described discharge case bottom.
4. exhaust gases of internal combustion engines heat exchanger according to claim 1, it is characterised in that also include for and the internal combustion engine
The metal connecting hose of tail gas spout connection, one end of the metal connecting hose is connected with the tail gas air inlet.
5. exhaust gases of internal combustion engines heat exchanger according to claim 4, it is characterised in that the outer tube wall of the metal connecting hose
It is arranged with cooling water pipe.
6. exhaust gases of internal combustion engines heat exchanger according to claim 1, it is characterised in that the top of the cooler bin is hood-like
Structure, center of the tail gas air inlet located at the top of the cooler bin.
7. exhaust gases of internal combustion engines heat exchanger according to claim 6, it is characterised in that the appearance at the top of the cooler bin
Face is provided with cooling jacket.
8. exhaust gases of internal combustion engines heat exchanger according to claim 1, it is characterised in that the cooling tube is helical form knot
Structure.
9. the exhaust gases of internal combustion engines heat exchanger according to claim 1 to 8 any one, it is characterised in that also including at least
One piece of second division board being arranged between first division board and the bottom of the cooler bin, second division board is mutual
Between in two pieces of second division boards setting up and down and adjacent each other have certain interval, second division board
At least one is offered in plate face and corresponds the 3rd opening for passing through for the cooling tube；
Second division board has the first end and relative with the first end with the connection of the madial wall of the cooler bin
The madial wall of the second end, the second end of second division board and the cooler bin forms port, and adjacent two piece second every
The port formed with the madial wall of the cooler bin from plate mutually staggers；Second division board is located at its first end and the second end
Between side be connected with the madial wall of the cooler bin；
The inlet is arranged at the cooler bin bottom and near between the second division board of the cooler bin bottom, described
Liquid outlet is arranged at first division board and near between the second division board of first division board.
10. a kind of exhaust gases of internal combustion engines cooling system, it is characterised in that including spark arrester, downtake pipe, second exhaust pipe,
One pipeline, second pipe, the 3rd pipeline, radiator, coolant recirculation pump and as described in claim 1 to 9 any one
Exhaust gases of internal combustion engines heat exchanger；Wherein, the inlet passes through the outlet pipe of first pipeline and the coolant recirculation pump
Mouth connection, the water inlet pipe mouth of the coolant recirculation pump is connected by the cold water delivery port of the second pipe and the radiator
Logical, the water inlet of hot water of the radiator is connected by the 3rd pipeline with the liquid outlet；
The exhaust port is connected by the downtake pipe with the air inlet of the spark arrester, the outlet of the spark arrester
Mouth is connected with the second exhaust pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710038563.3A CN106640279A (en) | 2017-01-19 | 2017-01-19 | Tail gas heat exchanger of internal combustion engine and tail gas cooling system of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710038563.3A CN106640279A (en) | 2017-01-19 | 2017-01-19 | Tail gas heat exchanger of internal combustion engine and tail gas cooling system of internal combustion engine |
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| CN106640279A true CN106640279A (en) | 2017-05-10 |
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ID=58840829
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710038563.3A Pending CN106640279A (en) | 2017-01-19 | 2017-01-19 | Tail gas heat exchanger of internal combustion engine and tail gas cooling system of internal combustion engine |
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| CN (1) | CN106640279A (en) |
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| CN107587928A (en) * | 2017-08-28 | 2018-01-16 | 张家港市德发内燃机配件有限公司 | A kind of combined IC engine cooler |
| CN110500147A (en) * | 2019-09-03 | 2019-11-26 | 滨州职业学院 | A kind of ship flue gas emission infrared suppressing equipment |
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Address after: 510000 twelve, Yuexiu District martyrs Road 83, Guangzhou, Guangdong 501 Applicant after: GUANG ZHOU SUNYEAR TECHNOLOGY Co.,Ltd. Address before: 510000 111 Jiangwan Road, Haizhuqu District, Guangzhou, Guangdong. Applicant before: GUANG ZHOU SUNYEAR TECHNOLOGY Co.,Ltd. |
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Application publication date: 20170510 |