CN208332224U - A kind of rotary heating furnace high-temperature flue gas waste heat recovery generating device - Google Patents
A kind of rotary heating furnace high-temperature flue gas waste heat recovery generating device Download PDFInfo
- Publication number
- CN208332224U CN208332224U CN201820438844.8U CN201820438844U CN208332224U CN 208332224 U CN208332224 U CN 208332224U CN 201820438844 U CN201820438844 U CN 201820438844U CN 208332224 U CN208332224 U CN 208332224U
- Authority
- CN
- China
- Prior art keywords
- waste heat
- heat boiler
- flue
- heating furnace
- air preheater
- 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.)
- Expired - Fee Related
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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Air Supply (AREA)
Abstract
The utility model discloses a kind of rotary heating furnace high-temperature flue gas waste heat recovery generating device, the outlet of rotary heating furnace is connected with high-temperature air preheater, and high-temperature air preheater is connected to waste heat boiler and bypass flue heat exchanger by flue；Waste heat boiler low temperature air preheater is provided on waste heat boiler, waste heat boiler low temperature air preheater one end is connected to heating furnace pressure fan, and the other end is connected to high-temperature air preheater；Waste heat boiler is connected to air-introduced machine by flue and bypass flue heat exchanger, air-introduced machine are communicated with desulfurization fume exhaust tower；Waste heat boiler is connected to afterheat steam steam turbine by steam pipework, afterheat steam steam turbine is connected with steam turbine generator, afterheat steam steam turbine has condenser by piping connection, condenser is connected with condenser pump, condenser pump has low-pressure heater by piping connection, low-pressure heater has oxygen-eliminating device by piping connection, and oxygen-eliminating device is connected to waste heat boiler by waste heat boiler feed pump.The utility model has the beneficial effects that improving generating capacity.
Description
Technical field
The utility model relates to heat-recovering generating plant technical fields, more specifically, being related to a kind of rotary heating furnace
High-temperature flue gas waste heat recovery generating device.
Background technique
It is energy saving since China enters 13 plans, improve environmental problem and comes into China's promise world environments
The critical period of pollutant emission factor is organized, pressure is big, and the arduousness of task is all very big.Then new political affairs
First task is exactly to grab energy-saving and environmental protection after the platform of your home.
The especially serious superfluous iron and steel enterprise of production capacity, is not only due to national overall situation requirement, and enterprise has to push greatly
Energy-saving and environmental protection technology and product are extensively used, while being also enterprise's own existence and growth requirement, it is necessary to constantly tap the potential and upgrade technologically, exert
Power reduces production cost, reduces energy consumption, increases economic efficiency, and improves enterprise competitiveness, this is the fundamental solution of enterprise development.
However, the high-temperature flue gas use aspects of the steel billet rotary heating furnace generallyd use exist in seamless steel pipe manufacturing enterprise
China is still in just getting started, the reason is that since the exhaust gas volumn that rotary heating furnace generally generates is less, often not by people
Pay attention to, further, since flue-gas temperature is relatively high, do not utilize measure more effectively still at present, if using current common remaining
Recuperation of heat electricity-generating method, because its rotary heating furnace high-temperature flue gas is reduced by temperature after aerial cooler, the flue gas after cooling is again
It utilizes, scale of the project is small, income is low, operating cost is high, and enterprise construction cogeneration project enthusiasm is not high.
Therefore, in view of the above, needing to invent one kind efficiently using high-temperature residual heat resource, generating capacity is improved, thus
It increases economic efficiency, has not only embodied waste heat project using energy-saving effect, but also embody environmental benefit, while investor's throwing can also be improved
Return rate is provided, the rotary heating furnace high-temperature flue gas waste heat recovery generating device for increasing investment and operator's enthusiasm is this field skill
Art personnel's problem to be solved.
Utility model content
In order to overcome the technical drawbacks described above, the utility model provides a kind of rotary heating furnace high-temperature flue gas exhaust heat recovery power generation
Device.
To achieve the above object, the utility model uses following technical scheme:
A kind of rotary heating furnace high-temperature flue gas waste heat recovery generating device, including rotary heating furnace, the rotary heating furnace
Outlet be connected with high-temperature air preheater, high-temperature air preheater passes through the air inlet of pipeline connection rotary heating furnace, high temperature
Air preheater is connected to waste heat boiler and bypass flue heat exchanger by flue respectively, is connected to the cigarette of bypass flue heat exchanger
It is provided with bypass isolating valve, in feed channel, is connected on the flue of waste heat boiler and is provided with exhaust-heat boiler flue gas isolating valve,；Institute
Stating bypass flue heat exchanger has circulating cooling tower by pipeline connection, and circulating cooling pump is provided on pipeline；The waste heat boiler
On be provided with waste heat boiler low temperature air preheater, waste heat boiler low temperature air preheater one end is communicated with heating furnace pressure fan, and the other end connects
It is connected with high-temperature air preheater；The waste heat boiler is connected to air-introduced machine and bypass flue heat exchanger by flue respectively, draws
Blower is communicated with desulfurization fume exhaust tower, is connected on the flue of bypass flue heat exchanger and is provided with bypass flue cryogenic stop valve,
It is connected on the flue of air-introduced machine and is provided with waste heat boiler cryogenic stop valve, the setting of waste heat boiler cryogenic stop valve is in bypass cigarette
The front end of road cryogenic stop valve；The waste heat boiler is connected to afterheat steam steam turbine, afterheat steam steam turbine by steam pipework
It is connected with steam turbine generator, afterheat steam steam turbine has condenser by piping connection, and condenser is connected with condenser pump, condenser pump
There is low-pressure heater by piping connection, low-pressure heater has oxygen-eliminating device by piping connection, and oxygen-eliminating device is given by waste heat boiler
Water pump is connected to waste heat boiler；The afterheat steam steam turbine also passes through pipeline and has been respectively communicated with oxygen-eliminating device and low-pressure heater.
Further, the quantity of the air-introduced machine is two, is parallel in equipment.
The beneficial effects of the utility model are: improving generating capacity, environmental benefit is embodied, increases investment and operation
The enthusiasm of person.
Detailed description of the invention
Fig. 1 is a kind of structural representation of rotary heating furnace high-temperature flue gas waste heat recovery generating device described in the utility model
Figure；
In figure, 1, rotary heating furnace；2, high-temperature air preheater；3, heating furnace pressure fan；4, bypass flue heat exchanger；5,
Circulating cooling pump；6, circulating cooling tower；7, air-introduced machine；8, desulfurization fume exhaust tower；9, isolating valve, is bypassed；10, exhaust-heat boiler flue gas every
Disconnected valve；11, waste heat boiler；12, waste heat boiler low temperature air preheater；13, afterheat steam steam turbine；14, steam turbine generator；15, cold
Condenser；16, condenser pump；17, oxygen-eliminating device；18, waste heat boiler feed pump；19, low-pressure heater；20, waste heat boiler low temperature separates
Valve；21, bypass flue cryogenic stop valve.
Specific embodiment
The utility model is specifically described with reference to the accompanying drawing, according to Fig. 1, a kind of rotary heating furnace high temperature cigarette
Gas waste heat recovery generating device, including rotary heating furnace 1, the outlet of rotary heating furnace 1 are connected with high-temperature air preheater 2, high
Warm air preheater 2 passes through the air inlet of pipeline connection rotary heating furnace 1, and high-temperature air preheater 2 passes through flue respectively
It is connected to waste heat boiler 11 and bypass flue heat exchanger 4, is connected on the flue of bypass flue heat exchanger 4 and is provided with bypass partition
Valve 9 is connected on the flue of waste heat boiler 11 and is provided with exhaust-heat boiler flue gas isolating valve, 10；Bypass flue heat exchanger 4 passes through
Pipeline connection has circulating cooling tower 6, and circulating cooling pump 5 is provided on pipeline；Waste heat boiler low temperature is provided on waste heat boiler 11
Air preheater 12,12 one end of waste heat boiler low temperature air preheater are communicated with heating furnace pressure fan 3, and the other end is communicated with high temperature air preheating
Device 2；Waste heat boiler 11 is connected to air-introduced machine 7 by flue respectively and bypass flue heat exchanger 4, air-introduced machine 7 are communicated with desulfurization
Smokeproof tower 8 is connected on the flue of bypass flue heat exchanger 4 and is provided with bypass flue cryogenic stop valve 21, is connected to air-introduced machine 7
Flue on be provided with waste heat boiler cryogenic stop valve 20, waste heat boiler cryogenic stop valve 20 is arranged in bypass flue low temperature
The front end of isolating valve, 21；Waste heat boiler 11 is connected to afterheat steam steam turbine 13 by steam pipework, and afterheat steam steam turbine 13 connects
It is connected to steam turbine generator 14, afterheat steam steam turbine 13 has condenser 15 by piping connection, and condenser 15 is connected with condenser pump
16, condenser pump 16 has low-pressure heater 19 by piping connection, and low-pressure heater 19 has oxygen-eliminating device 17, deoxygenation by piping connection
Device 17 is connected to waste heat boiler 11 by waste heat boiler feed pump 18；Afterheat steam steam turbine 13, which has also been respectively communicated with by pipeline, to be removed
Oxygen device 17 and low-pressure heater 19；
Wherein the quantity of air-introduced machine 7 is two, is parallel in equipment, a normal use, one spare.
In the present embodiment, when the present apparatus operates normally, the high-temperature flue gas that rotary heating furnace 1 is discharged passes through high temperature air
Then preheater 2 is directly entered in waste heat boiler 11, subsequently into waste heat boiler low temperature by exhaust-heat boiler flue gas isolating valve, 10
In air preheater 12, then the cold air sent for heating heating furnace pressure fan 3 passes through high-temperature air preheater 2 and further will
Air themperature heating passes through waste heat boiler cryogenic stop valve 20 by the flue gas being discharged after waste heat boiler low temperature air preheater 12, by
Then the extraction of air-introduced machine 7, pressurization enter back into the discharge of desulfurization fume exhaust tower 8；The burning hot wind of rotary heating furnace 1 had both been met in this way
It is required that while discharge flue-gas temperature and meet desulfurization requirement again, the heat in flue gas is utilized to greatest extent.
The steam that waste heat boiler 11 generates is done work by afterheat steam steam turbine 13, and steam thermal energy is converted to mechanical energy,
Steam turbine generator 14 is dragged to generate electricity；It is cooling into condenser 15 by the steam exhaust after 13 work done of afterheat steam steam turbine, it condenses into
Water, then entered after low-pressure heater 19 heats by the pressurization of condenser pump 16 and enter 17 deoxygenation of oxygen-eliminating device, the water after deoxygenation passes through waste heat
The pressurization of boiler feed pump 18 enters back into waste heat boiler 11 and regenerates steam, sequentially forms steam/water circulating.
The present apparatus uses high-temperature flue gas heating high temperature steam, and thermal energy is made to obtain cascade utilization, and steam flow increases, makes to generate electricity
Efficiency greatly improves, and increases significant economic benefit for enterprise.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solutions of the utility model, the technology of the art
Personnel embody the principles of the present invention to some variations that some of them part may be made, and belong to the utility model
Protection scope within.
Claims (2)
1. a kind of rotary heating furnace high-temperature flue gas waste heat recovery generating device, including rotary heating furnace (1), it is characterised in that: institute
The outlet for stating rotary heating furnace (1) is connected with high-temperature air preheater (2), and high-temperature air preheater (2) passes through pipeline connection ring
The air inlet of shape heating furnace (1), high-temperature air preheater (2) pass through flue connection waste heat boiler (11) and bypass cigarette respectively
Road heat exchanger (4) is connected on the flue of bypass flue heat exchanger (4) and is provided with bypass isolating valve, (9), is connected to waste heat boiler
(11) exhaust-heat boiler flue gas isolating valve, (10) are provided on flue；The bypass flue heat exchanger (4) is connected by pipeline
It is connected with circulating cooling tower (6), circulating cooling pump (5) is provided on pipeline；Waste heat boiler is provided on the waste heat boiler (11)
Low temperature air preheater (12), waste heat boiler low temperature air preheater (12) one end are communicated with heating furnace pressure fan (3), and the other end is communicated with height
Warm air preheater (2)；The waste heat boiler (11) passes through flue connection air-introduced machine (7) and bypass flue heat exchanger respectively
(4), air-introduced machine (7) is communicated with desulfurization fume exhaust tower (8), is connected on the flue of bypass flue heat exchanger (4) and is provided with bypass
Flue cryogenic stop valve (21) is connected on the flue of air-introduced machine (7) and is provided with waste heat boiler cryogenic stop valve (20), waste heat
Boiler low-temperature isolating valve, (20) is arranged in the front end of bypass flue cryogenic stop valve (21)；The waste heat boiler (11) passes through steam
Pipeline connection afterheat steam steam turbine (13), afterheat steam steam turbine (13) are connected with steam turbine generator (14), afterheat steam vapour
Turbine (13) has condenser (15) by piping connection, and condenser (15) is connected with condenser pump (16), and condenser pump (16) passes through pipe
Road is connected with low-pressure heater (19), and low-pressure heater (19) has oxygen-eliminating device (17) by piping connection, and oxygen-eliminating device (17) passes through
Waste heat boiler feed pump (18) is connected to waste heat boiler (11)；The afterheat steam steam turbine (13) has also been respectively communicated with by pipeline
Oxygen-eliminating device (17) and low-pressure heater (19).
2. a kind of rotary heating furnace high-temperature flue gas waste heat recovery generating device according to claim 1, it is characterised in that: institute
The quantity for stating air-introduced machine (7) is two, is parallel in equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820438844.8U CN208332224U (en) | 2018-03-29 | 2018-03-29 | A kind of rotary heating furnace high-temperature flue gas waste heat recovery generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820438844.8U CN208332224U (en) | 2018-03-29 | 2018-03-29 | A kind of rotary heating furnace high-temperature flue gas waste heat recovery generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208332224U true CN208332224U (en) | 2019-01-04 |
Family
ID=64783890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820438844.8U Expired - Fee Related CN208332224U (en) | 2018-03-29 | 2018-03-29 | A kind of rotary heating furnace high-temperature flue gas waste heat recovery generating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208332224U (en) |
-
2018
- 2018-03-29 CN CN201820438844.8U patent/CN208332224U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3064841B1 (en) | Gas steam combined cycle central heating device | |
| CN101392992B (en) | Silicon smelting electric furnace waste heat power generation process flow and configuration | |
| CN103967544A (en) | Waste heat utilization system of gas-steam combined cycle generator set | |
| CN203717051U (en) | Combined cycling low-temperature exhaust heat recycling device | |
| CN202195715U (en) | Power plant steam-water system with an exhaust steam heat exchange system | |
| CN203731368U (en) | Device for deep recovery of smoke discharge waste heat of waste heat boiler | |
| CN202023600U (en) | CHP (combined heat and power) heat supply system for efficiently recovering exhaust steam waste heat of power station steam turbine | |
| CN210483828U (en) | Energy-saving power generation and utilization system utilizing exhaust steam waste heat of steam turbine of thermal power plant | |
| CN204665244U (en) | A kind of association system of phase-change heat-exchanger band heat exchangers for district heating | |
| CN208332224U (en) | A kind of rotary heating furnace high-temperature flue gas waste heat recovery generating device | |
| CN207740056U (en) | A kind of CO2The machine furnace cooling of cycle can recycle and power generation and heat supply integral system | |
| CN214745672U (en) | Multistage waste heat comprehensive utilization device of power plant | |
| CN113464227B (en) | Combined heat and power control method and combined heat and power system | |
| CN204829289U (en) | Steam subtracts warm depressurized system | |
| CN103925808A (en) | Smoke waste heat efficient recycling system and method of sintering machine | |
| CN204345610U (en) | High-efficient gas formula steam superheating device | |
| CN103438492A (en) | Low-vacuum absorption-type composite heat pump residual heat supply system based on ultra-great-temperature-difference heat supply network | |
| CN208347882U (en) | A kind of SOFC fuel cell and internal combustion engine combustion gas distributed couplings system | |
| CN103161535B (en) | Smoke waste heat power generation system of heating furnace | |
| CN109140492B (en) | Boiler smoke-wind coupling waste heat recovery system | |
| CN205957123U (en) | Waste heat recovery device for heat pipes | |
| CN206957777U (en) | A kind of working medium self-cooled fume afterheat organic rankine cycle system | |
| CN201589537U (en) | Device utilizing deaerating feed to heat condensed water in cement kiln afterheat generation | |
| CN206131517U (en) | Use megawatt level carbon dioxide heat pump system in thermoelectricity field | |
| CN104807338A (en) | Coal gas, converter steam and sintering waste heat combined power generation device and waste heat utilization method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20210329 |