CN109708136A - Internal combustion engine smoke evacuation chilldown system based on waste heat boiler - Google Patents
Internal combustion engine smoke evacuation chilldown system based on waste heat boiler Download PDFInfo
- Publication number
- CN109708136A CN109708136A CN201910002277.0A CN201910002277A CN109708136A CN 109708136 A CN109708136 A CN 109708136A CN 201910002277 A CN201910002277 A CN 201910002277A CN 109708136 A CN109708136 A CN 109708136A
- Authority
- CN
- China
- Prior art keywords
- flue gas
- waste heat
- cooler
- heat boiler
- combustion engine
- 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.)
- Withdrawn
Links
Classifications
-
- 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
Landscapes
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The internal combustion engine that the present invention provides a kind of based on waste heat boiler is discharged fume chilldown system, including internal combustion engine；Flue gas pre-cooler；Waste heat boiler, its gas inlet is connected to the exhanst gas outlet of flue gas pre-cooler, when the system is operating, the high-temperature flue gas that internal combustion engine generates is by flue gas pre-cooler pre-cooling heel row to waste heat boiler, and it is discharged in the exhanst gas outlet in waste heat boiler after heat is released in heat exchange through waste heat boiler, simultaneously, the water supply of waste heat boiler is discharged after absorbing the heat that high-temperature flue gas discharges from water outlet, it send to heat release at heat supply user and returns again to flue gas pre-cooler after cooling down, cooling water as flue gas pre-cooler, then it is sent into the waste heat boiler as water supply again after being come out from flue gas pre-cooler, form closed cycle circuit.The system reduces the equipment material requirement on internal combustion engine exiting flue gas pipeline again in recycling while combustion gas smoke discharging residual heat, have preferable practical value.
Description
Technical field
The present invention relates to internal combustion engine fume treatment and heat recovery technology fields, specifically, being related to a kind of based on waste heat
The internal combustion engine smoke evacuation chilldown system of boiler.
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 steel alloy, and necessarily be caused using steel alloy
Cost is substantially increased.In addition, flue-gas temperature is higher, the arrangement of entire flue and thermal compensation are more difficult, especially for
The case where 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, a kind of with simplified structure and easy the purpose is to provide
In realization, the internal combustion engine row based on waste heat boiler of the requirement of internal combustion engine smoke discharging pipe material but also Mist heat recovering can be reduced
Cigarette chilldown system.
To achieve the goals above, the internal combustion engine that the present invention provides a kind of based on waste heat boiler is discharged fume chilldown system, institute
The system of stating includes: internal combustion engine, flue gas pre-cooler, waste heat boiler and hot water user；The exhanst gas outlet of the internal combustion engine and institute
State the gas inlet connection of flue gas pre-cooler, the flue gas of the exhanst gas outlet of the flue gas pre-cooler and the waste heat boiler into
Mouth connection；Hot water user includes heat source water inlet and heat source water out, the water outlet of the heat source water inlet and the waste heat boiler
Mouth connection, the heat source water out are connected to the cooling water inlet of the flue gas pre-cooler；The flue gas pre-cooler it is cold
But water out is connected to the feed-water inlet of the waste heat boiler；The hot water user, waste heat boiler, shape between flue gas pre-cooler
At water-flow circuit.
Preferably, the flue gas pre-cooler is in hollow sleeve tubular, including the inner barrel and outer barrel being mutually arranged, and in described
Water chamber is formed between inner barrel and outer barrel, wherein the flue gas pre-cooler further includes cooling water inlet and cooling water outlet, described
Cooling water inlet and cooling water outlet are set on the outer cylinder barrel, and the heat source water out and the flue gas of hot water user is pre-chilled
The cooling water inlet of device is connected, and the water outlet of the hot water user enters the outer cylinder of the flue gas pre-cooler as cooling water
It is interior, meanwhile, the flue gas that the combustion in IC engine generates passes through out of described inner cylinder, and cooling water and flue gas are in the pre- cold charge of the flue gas
Set interior completion heat exchange.
It is further preferred that being set on the pipeline that the heat source water out of the hot water user is connected to the flue gas pre-cooler
It is equipped with booster pump.
It preferably, further include triple valve and gas bypass, the triple valve is located at the flue gas pre-cooler and described remaining
On pipeline between heat boiler, the gas bypass connects the pipe of the smoke outlet of the triple valve and the waste heat boiler
Road.
Further preferably, the smoke outlet of the waste heat boiler is provided with smoke discharging pipe, the gas bypass with
The smoke discharging pipe connection, and the exit position of the smoke discharging pipe is additionally provided with muffler.
Preferably, explosion venting device is provided on the pipeline that the triple valve is connected to the flue gas pre-cooler.
As described above with practice it is found that the internal combustion engine smoke evacuation chilldown system of the present invention based on waste heat boiler
In, flue gas pre-cooler is added at the internal combustion engine exhanst gas outlet position in the I. C engine combustion system based on waste heat boiler, it is interior
The high-temperature flue gas that combustion engine burning generates is being sent to waste heat boiler, obtains pre-cooling for flue gas pre-cooler, and so that
The material of flue, conduit fittings, gas fume valve, compensator and waste heat boiler that I. C engine combustion system is related to is without adopting
With expensive steel alloy, material requirement is reduced；On the other hand, waste heat boiler is connect with hot water user, is changed in waste heat boiler
The water supply of heat absorption heat is sent by the water outlet of waste heat boiler to heat release cooling at hot water user, and the pre- cold charge of flue gas is returned again to
It sets, meanwhile, then the cooling water outlet of flue gas pre-cooler is connected to by pipeline with the water inlet of waste heat boiler, so that through flue gas
Pre-cooler heat exchange absorb heat after cooling water flow back in waste heat boiler, in this way, formed flue gas pre-cooler, waste heat boiler and
The further recycling realized while internal combustion engine smoke evacuation pre-cooling to fume afterheat is being realized in the closed cycle circuit of hot water user
It utilizes；Finally, also pre- in waste heat boiler and flue gas in the internal combustion engine smoke evacuation chilldown system of the present invention based on waste heat boiler
Triple valve and gas bypass are set between device for cooling, gas bypass is closed under normal operating condition, and is occurred in smoke evacuation system
When abnormal, flue gas can be controlled by triple valve and be fed directly to smoke outlet from gas bypass, to improve system run all right.
In conclusion of the present invention have simplified structure based on waste heat boiler internal combustion engine smoke evacuation chilldown system and be easily achieved,
It reduces the equipment material requirement on internal combustion engine exiting flue gas pipeline while combustion gas smoke discharging residual heat again in recycling, has preferable
Practical value, while can also using in waste heat boiler exchange heat after water supply as domestic water release heat after, return again to cigarette
Gas pre-cooler is sent into waste heat boiler, shape as the cooling water of flue gas pre-cooler after then coming out from flue gas pre-cooler
At closed cycle circuit, to realize the fume afterheat for having recycled waste heat boiler while internal combustion engine smoke evacuation pre-cooling.
Detailed description of the invention
Fig. 1 is schematic diagram, shows the internal combustion engine smoke evacuation described in one embodiment of the present of invention based on waste heat boiler
The structure of chilldown system；
Fig. 2 is schematic diagram, shows flue gas pre-cooling in the internal combustion engine smoke evacuation chilldown system shown in FIG. 1 based on waste heat boiler
The structure of device.
Specific embodiment
Below with reference to the accompanying drawings come describe it is of the present invention based on waste heat boiler internal combustion engine smoke evacuation chilldown system reality
Apply example.Those skilled in the art will recognize, without departing from the spirit and scope of the present invention, Ke Yiyong
A variety of different modes are modified described embodiment.Therefore, attached drawing and description are regarded as illustrative in nature, without
It is for limiting scope of protection of the claims.In addition, in the present specification, attached drawing is drawn not in scale, and identical attached
Icon note indicates identical part.
Fig. 1 is schematic diagram, shows the internal combustion engine smoke evacuation described in one embodiment of the present of invention based on waste heat boiler
The structure of chilldown system, filled arrows are shown in system to water (flow) direction in figure, and hollow arrow shows flow of flue gas in figure
Direction.Fig. 2 is schematic diagram, shows the pre- cold charge of flue gas in the internal combustion engine smoke evacuation chilldown system shown in FIG. 1 based on waste heat boiler
The structure set.As depicted in figs. 1 and 2, the described internal combustion engine smoke evacuation passed by one's way based on waste heat is pre- in this embodiment of the invention
Cooling system includes internal combustion engine 1, flue gas pre-cooler 2, explosion venting device 3, triple valve 4, waste heat boiler 5, gas bypass 6, muffler
7, hot water user 8, booster pump 9.
Specifically, the exhanst gas outlet 11 of internal combustion engine 1 is connected to the gas inlet 21 of flue gas pre-cooler 2, so that internal combustion
The high-temperature flue gas that the burning of machine 1 generates is entered in flue gas pre-cooler 2 by pipeline from gas inlet 21.Flue gas pre-cooler 2
In hollow sleeve tubular, including the inner cylinder 22 and outer cylinder 23 being mutually arranged, and water chamber 24 is formed between inner cylinder 22 and outer cylinder 23, it is interior
After the high-temperature flue gas that the burning of combustion engine 1 generates is from gas inlet 21 into flue gas pre-cooler 2, flowed through from inner cylinder 22.
Flue gas pre-cooler 2 is connected to by triple valve 4 with waste heat boiler 5, triple valve 4 be installed on 5 flue gas of waste heat boiler into
On pipeline before mouthful, the gas inlet with the exhanst gas outlet 25 of flue gas pre-cooler 2 and waste heat boiler 5 respectively of triple valve 4
51 connections, one end of gas bypass 6 are connected to triple valve 4, and the other end extends at the exhanst gas outlet 52 of waste heat boiler 5, and
It is connected to the smoke discharging pipe 53 being arranged at the exhanst gas outlet 52 of waste heat boiler 5, in this manner it is achieved that being based on when of the present invention
The internal combustion engine smoke evacuation chilldown system of waste heat boiler is in when operating normally, and controls triple valve 4 to close the outlet of gas bypass 6,
So that flue gas is entered in waste heat boiler 5 after the pre-cooling of flue gas pre-cooler by triple valve 4, when event occurs in waste heat boiler
When barrier or other reasons need off-the-line, then the outlet of gas bypass 6 is opened by control triple valve 4, and closes it towards flue gas
The outlet of pre-cooler 2, so that flue gas is immediately discharged to be discharged in smoke discharging pipe 53 by gas bypass 6.In addition, the pre- cold charge of flue gas
It sets and is additionally provided with explosion venting device 3 on the pipeline that 2 are connected to triple valve 4, explosion venting device 3 is for fuel gas remaining in flue
Detonation, which occurs, causes manifold pressure, to pressure release is carried out in pipeline, to protect the waste heat boiler 5 in flue gas downstream when increasing rapidly；And it arranges
Muffler 7 is provided on smoke pipeline 53,7 side of muffler is connected to the exhanst gas outlet 52 of waste heat boiler 5 and gas bypass 6,
The other side is communicated with the atmosphere, and muffler 7 is used to reduce noise when flue gas emission.
Waste heat boiler 5 is hot-water type boiler, including water outlet 54 and water inlet 55, water outlet 54 by outlet conduit with
The heat source water inlet 81 of hot water user 8 is connected to, so that the high-temperature flue gas that the work burning of internal combustion engine 1 generates passes through flue gas pre-cooler
After 2 are pre-chilled, then pass through triple valve 4 and drain into completion heat exchange in waste heat boiler 5, from out after the water supply absorption heat in waste heat boiler 5
The mouth of a river 54 is discharged, and send to 8 heat release of hot water user and cools down；On the other hand, it is also provided on 2 outer cylinder of flue gas pre-cooler, 23 barrel cold
But water inlet 26 and cooling water outlet 27, cooling water inlet 26 are connected by pipeline and the heat source water out 82 of above-mentioned hot water user 8
Logical, cooling water outlet 27 is connected to by pipeline with the water inlet 55 of waste heat boiler 5, in this way, at hot water user 8 after heat release cooling
Water supply returns to flue gas pre-cooler 2 under the action of booster pump 9, into outer cylinder 23 after flow through water chamber 24, and in cooling inner cylinder 22
High-temperature flue gas, absorb heat and be simultaneously discharged from cooling water outlet 27, then returned in waste heat boiler by pipeline, followed with forming enclosed
Loop back path.
As described above with practice it is found that the internal combustion engine smoke evacuation chilldown system of the present invention based on waste heat boiler
In, flue gas pre-cooler is added in interior combustion engine flue gas exit position, the high-temperature flue gas that combustion in IC engine generates is draining into waste heat
Before boiler, pre-cooling for flue gas pre-cooler, and so that flue, the pipeline that I. C engine combustion system is related to are obtained
Attachment, gas fume valve, compensator and waste heat boiler material without expensive steel alloy, reduce material demand；Separately
On the one hand, waste heat boiler is connect with hot water user, heat exchange absorbs water supply the going out by waste heat boiler of heat in waste heat boiler
The mouth of a river is sent to heat release cooling at hot water user, and the cooling water for being re-used as flue gas pre-cooler returns to flue gas pre-cooler, meanwhile,
The cooling water outlet of flue gas pre-cooler is connected to by pipeline with the water inlet of waste heat boiler again, so that through flue gas pre-cooler
Cooling water out be used as again waste heat boiler water supply return waste heat boiler in, thus formed flue gas pre-cooler, waste heat boiler and
The enclosed water-flow circuit of hot water user is realizing the recycling benefit realized while internal combustion engine smoke evacuation pre-cooling to fume afterheat
With；Finally, being also pre-chilled in waste heat boiler and flue gas in the internal combustion engine smoke evacuation chilldown system of the present invention based on waste heat boiler
Triple valve and gas bypass are set between device, gas bypass is closed under normal operating condition, and needs to solve in waste heat boiler
When column, flue gas can be controlled by triple valve and be immediately discharged to smoke outlet from gas bypass, to improve system operational flexibility.It is comprehensive
It is upper described, it is of the present invention that simplified structure is had based on waste heat boiler internal combustion engine smoke evacuation chilldown system and is easily achieved,
It reduces the equipment material requirement on internal combustion engine exiting flue gas pipeline in recycling while combustion gas smoke discharging residual heat again, has preferable
Practical value, while the fume afterheat of flue gas pre-cooler and waste heat boiler has also been recycled, it generates hot water heating water user and uses,
Generate good economic benefit.
Describe the internal combustion engine row according to the present invention based on waste heat boiler in an illustrative manner above with reference to attached drawing
Cigarette chilldown system.It will be understood by those skilled in the art, however, that for aforementioned present invention proposed based in waste heat boiler
Combustion engine smoke evacuation chilldown system, can also make various improvement on the basis of not departing from the content of present invention.Therefore, guarantor of the invention
Shield range should be determined by the content of appended claims.
Claims (6)
- The chilldown system 1. a kind of internal combustion engine based on waste heat boiler is discharged fume, which is characterized in that the system comprises: internal combustion engine, cigarette Gas pre-cooler, waste heat boiler and hot water user；The exhanst gas outlet of the internal combustion engine is connected to the gas inlet of the flue gas pre-cooler, the cigarette of the flue gas pre-cooler Gas outlet is connected to the gas inlet of the waste heat boiler；Hot water user includes heat source water inlet and heat source water out, the water outlet company of the heat source water inlet and the waste heat boiler Logical, the heat source water out is connected to the cooling water inlet of the flue gas pre-cooler；The cooling water outlet of the flue gas pre-cooler is connected to the feed-water inlet of the waste heat boiler；The hot water user, waste heat boiler form water-flow circuit between flue gas pre-cooler.
- 2. the internal combustion engine smoke evacuation chilldown system based on waste heat boiler as described in claim 1, which is characterized in that the flue gas is pre- Device for cooling is in hollow sleeve tubular, forms water chamber including the inner barrel and outer barrel being mutually arranged, and between the inner barrel and outer barrel, In,The flue gas pre-cooler further includes cooling water inlet and cooling water outlet, and the cooling water inlet and cooling water outlet are set It is placed on the outer cylinder barrel, the heat source water out of hot water user is connected with the cooling water inlet of the flue gas pre-cooler, institute The water outlet for stating hot water user is entered as cooling water in the outer cylinder of the flue gas pre-cooler, meanwhile, the combustion in IC engine The flue gas of generation passes through out of described inner cylinder, and cooling water and flue gas exchange heat in completion in the flue gas pre-cooler.
- 3. the internal combustion engine smoke evacuation chilldown system based on waste heat boiler as claimed in claim 2, which is characterized in that the hot water user The pipeline that is connected to the flue gas pre-cooler of heat source water out on be provided with booster pump.
- 4. the internal combustion engine smoke evacuation chilldown system based on waste heat boiler as described in claim 1, which is characterized in that further include threeway Valve and gas bypass, the triple valve is on the pipeline between the flue gas pre-cooler and the waste heat boiler, the cigarette Gas bypass connects the pipeline of the smoke outlet of the triple valve and the waste heat boiler.
- 5. the internal combustion engine smoke evacuation chilldown system based on waste heat boiler as claimed in claim 4, which is characterized in that the waste heat pot The smoke outlet of furnace is provided with smoke discharging pipe, and the gas bypass is connected to the smoke discharging pipe, and the smoke discharging pipe Exit position is additionally provided with muffler.
- 6. the internal combustion engine smoke evacuation chilldown system based on waste heat boiler as claimed in claim 4, which is characterized in that the triple valve Explosion venting device is provided on the pipeline being connected to the flue gas pre-cooler.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910002277.0A CN109708136A (en) | 2019-01-02 | 2019-01-02 | Internal combustion engine smoke evacuation chilldown system based on waste heat boiler |
| CN201910603804.3A CN110345457A (en) | 2019-01-02 | 2019-07-05 | Internal combustion engine smoke evacuation chilldown system based on waste heat boiler |
| CN201910603495.XA CN110345455A (en) | 2019-01-02 | 2019-07-05 | Internal combustion engine smoke evacuation chilldown system based on waste heat recycling |
| 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910002277.0A CN109708136A (en) | 2019-01-02 | 2019-01-02 | Internal combustion engine smoke evacuation chilldown system based on waste heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109708136A true CN109708136A (en) | 2019-05-03 |
Family
ID=66260729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910002277.0A Withdrawn CN109708136A (en) | 2019-01-02 | 2019-01-02 | Internal combustion engine smoke evacuation chilldown system based on waste heat boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109708136A (en) |
-
2019
- 2019-01-02 CN CN201910002277.0A patent/CN109708136A/en not_active Withdrawn
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20120002480A (en) | Inert gas purging system for an orc heat recovery boiler | |
| CN105909326B (en) | Extraction for heat supply structure and power plant steam unit heating system | |
| CN101315183A (en) | Flue gas waste heat recovery system of metallurgy electric furnace | |
| CN110345457A (en) | Internal combustion engine smoke evacuation chilldown system based on waste heat boiler | |
| CN207049891U (en) | A kind of steam boiler with condenser system | |
| CN207193330U (en) | A kind of annealing furnace waste-heat recovery device | |
| CN109708136A (en) | Internal combustion engine smoke evacuation chilldown system based on waste heat boiler | |
| CN206787316U (en) | A kind of Emergency Cooling System of organic heat carrier furnace | |
| EP2228600A1 (en) | Combination boiler system comprising a bypass for a waste heat recovery boiler | |
| CN102494329B (en) | Device for utilizing flue gas waste heat of boiler comprehensively | |
| CN207049951U (en) | A kind of carbon black tail gas combustion furnace | |
| CN101196342A (en) | Condensing gas water heater and flue gas flowing mode | |
| US1231208A (en) | Pertaining to the utilization of the waste heat of gas-engines. | |
| CN104832899B (en) | A kind of Water pipe heating pipe afterheat boiler system being built on sintering machine flue | |
| CN107218591A (en) | A kind of externally arranged steam cooler system for heating heat primary air | |
| CN209622753U (en) | A kind of condensation steam boiler | |
| US11359518B2 (en) | Combined cycle power plant | |
| CN109723530A (en) | Internal combustion engine smoke evacuation pre-cooling and UTILIZATION OF VESIDUAL HEAT IN integral system | |
| SU1749511A1 (en) | Power plant | |
| CN205535882U (en) | Large -scale power boiler steam blowpipe test system | |
| CN204853423U (en) | Use full -automatic steam generation equipment of alcohol group fuel | |
| WO1994015147A1 (en) | Economizer system for vapor generation apparatus | |
| CN114738066B (en) | Device and method for heating water supply by utilizing bypass heat of steam turbine | |
| CN109539222A (en) | A kind of condensation steam boiler | |
| CN220567209U (en) | Self-cooling type after-combustion structure of burner flue of waste heat boiler of gas turbine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190503 |