CN109723530A - Internal combustion engine smoke evacuation pre-cooling and UTILIZATION OF VESIDUAL HEAT IN integral system - Google Patents
Internal combustion engine smoke evacuation pre-cooling and UTILIZATION OF VESIDUAL HEAT IN integral system Download PDFInfo
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- CN109723530A CN109723530A CN201910002754.3A CN201910002754A CN109723530A CN 109723530 A CN109723530 A CN 109723530A CN 201910002754 A CN201910002754 A CN 201910002754A CN 109723530 A CN109723530 A CN 109723530A
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- combustion engine
- cooling
- internal combustion
- flue gas
- water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The present invention provides a kind of internal combustion engine smoke evacuation pre-cooling and UTILIZATION OF VESIDUAL HEAT IN integral system comprising: internal combustion engine, flue gas pre-cooler, waste heat recovery unit, heat exchange unit and thermal water utilization unit.The present invention constructs a set of flue gas pre-cooler, internal combustion engine exit gas temperature is pre-chilled, it meet the requirements pipeline and pipe fitting on flue gas flow, valve, waste heat boiler etc. can using common material, reduce engineering construction cost, also simplify flue arrangement difficulty.Simultaneously, the present invention is discharged the cooling medium discharged fume as internal combustion engine using internal combustion engine cylinder jacket water, water after heat exchange heating is supplied to heat user, cool down after heat user utilizes and is back to internal combustion engine cylinder jacket water inlet, the cylinder sleeve for being reused for internal combustion engine is cooling, to realize the utilization that ensure that flue gas heat while internal combustion engine smoke evacuation pre-cooling, a large amount of losses of energy are avoided.
Description
Technical field
The present invention relates to internal combustion engine fume treatment technical field more particularly to a kind of internal combustion engine smoke evacuation pre-cooling and UTILIZATION OF VESIDUAL HEAT INs
Integral system.
Background technique
Internal combustion engine is by making fuel in machine internal-combustion, and the thermal energy released is converted directly into the heating power of power
Engine.As a kind of power device, internal combustion engine using extremely wide, have in the fields such as industry, agricultural, ship and largely answer
With.
Since the flue-gas temperature of internal combustion engine discharge is very high, generally between 400 DEG C~500 DEG C, 600~650 are reached as high as
DEG C, the exhaust gas temperature and fuel characteristic (ingredient, calorific value etc.) of internal combustion engine, engine performance, operation operation (control of air-fuel ratio)
There is relationship, it, may also can be due in actual moving process even the exhaust gas temperature of design is the internal combustion engine of certain certain value
The reasons such as Inlet Fuel ingredient fluctuation, cause exhaust gas temperature to increase.
When carrying out the design of internal combustion engine smoke discharging pipe, design temperature must not be lower than the highest work temperature that flue gas is likely to be breached
Degree.Internal combustion engine higher for exhaust gas temperature, flue and conduit fittings, gas fume valve, compensator or even waste heat boiler
Material grade be intended to improve, especially for smoke temperature up to 500 DEG C of even higher situations, common carbon structural steel, boiler and
Steel heavy plate for pressure vessels all can no longer meet flue-gas temperature requirement, can only use high-temperature alloy steel, and use steel alloy must
So cost is caused to be substantially increased.In addition, flue-gas temperature is higher, the arrangement of entire flue gas pipeline and thermal compensation are more difficult, especially
The case where being for limited space.Therefore, in view of the above-mentioned problems, it is necessary to propose further solution.
Summary of the invention
In order to solve the above-mentioned technical problem the present invention makes, the purpose is to provide a kind of internal combustion engine smoke evacuation pre-cooling with
UTILIZATION OF VESIDUAL HEAT IN integral system, to overcome the deficiencies in the prior art.
To achieve the goals above, the present invention provides a kind of internal combustion engine smoke evacuation pre-cooling with UTILIZATION OF VESIDUAL HEAT IN integral system,
Comprising: internal combustion engine, flue gas pre-cooler, waste heat recovery unit, cylinder sleeve cooling unit and thermal water utilization unit；The internal combustion
The exhanst gas outlet of machine is connected with the gas inlet of the flue gas pre-cooler by pipeline, the flue gas of the flue gas pre-cooler
Outlet is connected with the gas inlet of the waste heat recovery unit by pipeline；The cylinder sleeve cooling unit is located at the internal combustion engine
In, the water inlet of the cylinder sleeve cooling unit is connected by pipeline with the water outlet of the thermal water utilization unit, the cylinder sleeve
The water outlet of cooling unit is connected by pipeline with the water inlet of the flue gas pre-cooler；The flue gas pre-cooler goes out
The mouth of a river is connected by pipeline with the water inlet of the thermal water utilization unit, the thermal water utilization unit, cylinder sleeve cooling unit, cigarette
Circulation loop is formed between gas pre-cooler.
Preferably, the flue gas pre-cooler includes: inner cylinder, outer cylinder and the water being formed between the inner barrel and outer barrel
Room, the gas inlet and exhanst gas outlet in space and the flue gas pre-cooler that the inner cylinder surrounds, the flue gas pre-cooler
Inlet and outlet be connected with the water chamber.
Preferably, the waste heat recovery unit is hot-water type waste heat boiler.
Preferably, the cylinder sleeve cooling unit is the matched cold water cylinder liner cooling system of the internal combustion engine.
Preferably, the thermal water utilization unit is the terminal of demand hot water, and the terminal includes life user or industry
User.
Preferably, the integral system further include: flue gas triple valve and gas bypass, the flue gas triple valve are located at institute
It states on the pipeline between flue gas pre-cooler and waste heat recovery unit, the gas bypass connects the flue gas triple valve and described
The pipeline of the smoke outlet of waste heat recovery unit.
Preferably, the integral system further include: explosion venting device, the explosion venting device are located at the flue gas pre-cooler
On pipeline between flue gas triple valve.
Preferably, the integral system further include: muffler, the muffler are located at the cigarette of the waste heat recovery unit
On the pipeline of gas outlet.
Preferably, the integral system further include: cooling tower, the water inlet of the cooling tower and the pre- cold charge of the flue gas
The water outlet set is connected by pipeline, and the water inlet of the water outlet of the cooling tower and the cylinder sleeve cooling unit passes through pipeline
It is connected, the cooling tower and the thermal water utilization unit parallel running.
As described above with practice it is found that system integrated with UTILIZATION OF VESIDUAL HEAT IN is pre-chilled in internal combustion engine of the present invention smoke evacuation
System causes the material of flue and conduit fittings, gas fume valve, compensator or even waste heat boiler for internal combustion engine high fume temperature
Matter grade is intended to improve, and cost is caused to be substantially increased and the arrangement of entire flue gas pipeline and thermal compensation also more difficult problem,
By constructing a set of flue gas pre-cooler, first internal combustion engine exit gas temperature is pre-chilled, make pipeline on flue gas flow and
Pipe fitting, valve, waste heat boiler etc. can be met the requirements using ordinary carbon steel, reduced engineering construction cost, simplified fume pipe
Difficulty is arranged in road, and on the other hand, the cooling medium that the present invention discharges fume by using internal combustion engine cylinder jacket water as internal combustion engine will exchange heat
Jacket water after heating is supplied to heat user, cools down after heat user utilizes and is back to internal combustion engine cylinder jacket water inlet, is reused for
The cylinder sleeve of internal combustion engine is cooling, to avoid energy realizing the utilization that ensure that flue gas heat while internal combustion engine smoke evacuation pre-cooling
A large amount of losses of amount.
Detailed description of the invention
Fig. 1 is schematic diagram, shows the smoke evacuation of internal combustion engine described in one embodiment of the present of invention pre-cooling and UTILIZATION OF VESIDUAL HEAT IN
The structure of integral system；
Fig. 2 is the structural schematic diagram of flue gas pre-cooler in Fig. 1.
Specific embodiment
It is pre-chilled and UTILIZATION OF VESIDUAL HEAT IN integral system to describe internal combustion engine smoke evacuation of the present invention below with reference to the accompanying drawings
Embodiment.Those skilled in the art will recognize, without departing from the spirit and scope of the present invention, can be with
Described embodiment is modified with a variety of different modes.Therefore, attached drawing and description are regarded as illustrative in nature, and
It is not intended to limitation scope of protection of the claims.In addition, in the present specification, attached drawing is drawn not in scale, and identical
Appended drawing reference indicates identical part.
As shown in Figure 1, the present invention for 1 high fume temperature of internal combustion engine cause flue and conduit fittings, gas fume valve,
The material grade of compensator or even waste heat boiler is intended to improve, and cost is caused to be substantially increased and the arrangement and heat of entire flue gas pipeline
Compensation also more difficult problem provides a kind of smoke evacuation of internal combustion engine 1 pre-cooling and UTILIZATION OF VESIDUAL HEAT IN integral system.Comprising: internal combustion
Machine 1, flue gas pre-cooler 2, waste heat recovery unit 5, cylinder sleeve cooling unit 10 and thermal water utilization unit 8.
Above-mentioned internal combustion engine 1 has gas inlet and exhanst gas outlet, and there is flue gas pre-cooler 2 gas inlet and flue gas to go out
Mouthful.The exhanst gas outlet of internal combustion engine 1 is connected with the gas inlet of the flue gas pre-cooler 2 by pipeline.Meanwhile flue gas is pre-chilled
Device 2 also has cooling water inlet and cooling water outlet.
As shown in Fig. 2, specifically, flue gas pre-cooler 2 includes: inner cylinder 21, outer cylinder 22 and is formed in inner cylinder 21 and outer
Water chamber 23 between cylinder 22.Wherein, the space that inner cylinder 21 surrounds is connected with the gas inlet of flue gas pre-cooler 2 and exhanst gas outlet
Logical, the cooling water inlet and cooling water outlet of flue gas pre-cooler 2 are connected with water chamber 23.
Above-mentioned cylinder sleeve cooling unit 10 has corresponding inlet and outlet, is used to provide flue gas pre-cooler 2 institute
The cooling water needed.Thermal water utilization unit 8 has corresponding inlet and outlet, is used to recycle flue gas pre-cooler 2
In with the hot water after flue gas heat exchange.The water outlet of flue gas pre-cooler 2 is connected by pipeline with the water inlet of thermal water utilization unit 8
It connects.To form water-flow circuit between thermal water utilization unit 8, cylinder sleeve cooling unit 10, flue gas pre-cooler 2.
Specifically, cylinder sleeve cooling unit 10 is located in internal combustion engine 1, and the water inlet of cylinder sleeve cooling unit 10 passes through pipeline and heat
Water conservancy is connected with the water outlet of unit 8, and the water outlet of cylinder sleeve cooling unit 10 passes through the water inlet of pipeline and flue gas pre-cooler 2
Mouth is connected.Wherein, cylinder sleeve cooling unit 10 is the matched cold water cylinder liner cooling system of internal combustion engine 1, and thermal water utilization unit 8 is
The terminal of demand hot water, terminal can both make a living and apply flexibly family, or industrial user.
To which the cooling water that thermal water utilization unit 8 is discharged enters in cylinder sleeve cooling unit 10.Cylinder sleeve cooling unit 10
Water passes through the cooling medium that flue gas pre-cooler 2 is discharged fume as internal combustion engine 1, and the jacket water after heat exchange heating is supplied to hot water again
Using unit 8, cools down after the utilization of thermal water utilization unit 8 and be back to 1 cylinder sleeve water inlet of internal combustion engine, it is cooling to be reused for cylinder sleeve
Unit 10 is cooling, to avoid the big of energy realizing the utilization that ensure that flue gas heat while the smoke evacuation pre-cooling of internal combustion engine 1
Amount loss.
In addition, making the pipeline and pipe fitting, valve on flue gas flow by the way that first 1 exit gas temperature of internal combustion engine is pre-chilled
Door, waste heat boiler etc. can be met the requirements using ordinary carbon steel, reduce engineering construction cost, and it is difficult to simplify flue arrangement
Degree.
Above-mentioned waste heat recovery unit 5 is used to recycle the waste heat in the flue gas by pre-cooling.Specifically, the pre- cold charge of flue gas
2 exhanst gas outlet is set to be connected with the gas inlet of waste heat recovery unit 5 by pipeline.In one embodiment, waste heat returns
Receipts unit 5 is hot-water type waste heat boiler.
In addition, integral system further include: flue gas triple valve 4 and gas bypass 6, flue gas triple valve 4 are located at flue gas pre-cooling
On pipeline between device 2 and waste heat recovery unit 5, gas bypass 6 connects the cigarette of flue gas triple valve 4 and waste heat recovery unit 5
The pipeline of gas outlet.To, by controlling flue gas triple valve 4, controllable waste heat recovery unit 5 put into operation and off-the-line.
Further, integral system further include: explosion venting device 3, explosion venting device 3 are located at flue gas pre-cooler 2 and flue gas
On pipeline between triple valve 4.By the way that above-mentioned explosion venting device 3 is arranged, the pressure in pipeline is adjusted, is conducive to one of the invention
The safe operation of change system.In one embodiment, explosion venting valve can be used in explosion venting device 3.Integral system further include: noise reduction
Device 7, muffler 7 are located on the pipeline of the smoke outlet of waste heat recovery unit 5.By the way that above-mentioned muffler 7 is arranged, be conducive to drop
The noise of flue gas emission when low integral system of the present invention is run, reduces noise pollution.
Integral system further include: cooling tower 9.At this point, the water outlet of the water inlet of cooling tower 9 and flue gas pre-cooler 2
It is connected by pipeline, the water outlet of cooling tower 9 is connected with the water inlet of cylinder sleeve cooling unit 10 by pipeline, cooling tower 9
With 8 parallel running of thermal water utilization unit.
Describe internal combustion engine smoke evacuation pre-cooling according to the present invention and waste heat benefit in an illustrative manner above with reference to attached drawing
Use integral system.It will be understood by those skilled in the art, however, that the internal combustion engine smoke evacuation pre-cooling proposed for aforementioned present invention
With UTILIZATION OF VESIDUAL HEAT IN integral system, various improvement can also be made on the basis of not departing from the content of present invention.Therefore, of the invention
Protection scope should be determined by the content of appended claims.
Claims (9)
1. a kind of internal combustion engine smoke evacuation pre-cooling and UTILIZATION OF VESIDUAL HEAT IN integral system, which is characterized in that the integral system includes: interior
Combustion engine, flue gas pre-cooler, waste heat recovery unit, cylinder sleeve cooling unit and thermal water utilization unit；
The exhanst gas outlet of the internal combustion engine is connected with the gas inlet of the flue gas pre-cooler by pipeline, and the flue gas is pre-
The exhanst gas outlet of device for cooling is connected with the gas inlet of the waste heat recovery unit by pipeline；
The cylinder sleeve cooling unit is located in the internal combustion engine, and the water inlet of the cylinder sleeve cooling unit passes through pipeline and the heat
The water outlet of water conservancy unit is connected, and the water outlet of the cylinder sleeve cooling unit passes through pipeline and the flue gas pre-cooler
Water inlet is connected；
The water outlet of the flue gas pre-cooler is connected by pipeline with the water inlet of the thermal water utilization unit, the hot water
Water-flow circuit is formed using between unit, cylinder sleeve cooling unit, flue gas pre-cooler.
2. internal combustion engine smoke evacuation pre-cooling as described in claim 1 and UTILIZATION OF VESIDUAL HEAT IN integral system, which is characterized in that the flue gas
Pre-cooler includes: inner cylinder, outer cylinder and the water chamber being formed between the inner barrel and outer barrel, the space that the inner cylinder surrounds with
The gas inlet of the flue gas pre-cooler is connected with exhanst gas outlet, and the cooling water inlet and cold water of the flue gas pre-cooler go out
Mouth is connected with the water chamber.
3. internal combustion engine smoke evacuation pre-cooling as described in claim 1 and UTILIZATION OF VESIDUAL HEAT IN integral system, which is characterized in that the waste heat
Recovery unit is hot-water type waste heat boiler.
4. internal combustion engine smoke evacuation pre-cooling as described in claim 1 and UTILIZATION OF VESIDUAL HEAT IN integral system, which is characterized in that the cylinder sleeve
Cooling unit is the matched cold water cylinder liner cooling system of the internal combustion engine.
5. internal combustion engine smoke evacuation pre-cooling as described in claim 1 and UTILIZATION OF VESIDUAL HEAT IN integral system, which is characterized in that the hot water
It is the terminal of demand hot water using unit, the terminal includes life user or industrial user.
6. internal combustion engine smoke evacuation pre-cooling as described in claim 1 and UTILIZATION OF VESIDUAL HEAT IN integral system, which is characterized in that the one
Change system further include: flue gas triple valve and gas bypass, the flue gas triple valve is located at the flue gas pre-cooler and waste heat returns
It receives on the pipeline between unit, the gas bypass connects the exhanst gas outlet of the flue gas triple valve and the waste heat recovery unit
The pipeline at place.
7. internal combustion engine smoke evacuation pre-cooling as claimed in claim 6 and UTILIZATION OF VESIDUAL HEAT IN integral system, which is characterized in that the one
Change system further include: explosion venting device, pipeline of the explosion venting device between the flue gas pre-cooler and flue gas triple valve
On.
8. internal combustion engine smoke evacuation pre-cooling as described in claim 1 and UTILIZATION OF VESIDUAL HEAT IN integral system, which is characterized in that the one
Change system further include: muffler, the muffler are located on the pipeline of the smoke outlet of the waste heat recovery unit.
9. internal combustion engine smoke evacuation pre-cooling as described in claim 1 and UTILIZATION OF VESIDUAL HEAT IN integral system, which is characterized in that the one
Change system further include: cooling tower, the water inlet of the cooling tower are connected with the water outlet of the flue gas pre-cooler by pipeline
It connects, the water outlet of the cooling tower is connected with the water inlet of the cylinder sleeve cooling unit by pipeline, the cooling tower and institute
State thermal water utilization unit parallel running.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910002754.3A CN109723530A (en) | 2019-01-02 | 2019-01-02 | Internal combustion engine smoke evacuation pre-cooling and UTILIZATION OF VESIDUAL HEAT IN integral system |
| CN201910603776.5A CN110345456A (en) | 2019-01-02 | 2019-07-05 | Internal combustion engine smoke evacuation pre-cooling and UTILIZATION OF VESIDUAL HEAT IN integral system |
| CN201910603495.XA CN110345455A (en) | 2019-01-02 | 2019-07-05 | Internal combustion engine smoke evacuation chilldown system based on waste heat recycling |
| CN201910603804.3A CN110345457A (en) | 2019-01-02 | 2019-07-05 | Internal combustion engine smoke evacuation chilldown system based on waste heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910002754.3A CN109723530A (en) | 2019-01-02 | 2019-01-02 | Internal combustion engine smoke evacuation pre-cooling and UTILIZATION OF VESIDUAL HEAT IN integral system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109723530A true CN109723530A (en) | 2019-05-07 |
Family
ID=66298617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910002754.3A Withdrawn CN109723530A (en) | 2019-01-02 | 2019-01-02 | Internal combustion engine smoke evacuation pre-cooling and UTILIZATION OF VESIDUAL HEAT IN integral system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109723530A (en) |
-
2019
- 2019-01-02 CN CN201910002754.3A patent/CN109723530A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190507 |
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| WW01 | Invention patent application withdrawn after publication |