CN206608968U - A kind of power plant's heat reclaiming system - Google Patents
A kind of power plant's heat reclaiming system Download PDFInfo
- Publication number
- CN206608968U CN206608968U CN201720292757.1U CN201720292757U CN206608968U CN 206608968 U CN206608968 U CN 206608968U CN 201720292757 U CN201720292757 U CN 201720292757U CN 206608968 U CN206608968 U CN 206608968U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- outlet
- power plant
- heat
- inlet duct
- 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
- 230000003009 desulfurizing Effects 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000005494 condensation Effects 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000005864 Sulphur Substances 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 239000003517 fume Substances 0.000 abstract description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000002826 coolant Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model discloses a kind of power plant's heat reclaiming system, including boiler and the air preheater being sequentially connected, electric cleaner, air-introduced machine, desulfurizing tower and chimney, heat exchanger is connected between air-introduced machine and desulfurizing tower, the entrance of heat exchanger is connected by the entrance of inlet duct and cold air heaters, the outlet of cold air heaters is connected by the outlet of outlet conduit and heat exchanger, boiler overheating steam is connected with steam turbine, steam turbine is connected by condensing pipeline with condenser, condenser is connected with cooling tower, heat exchanger is connected by inlet duct and outlet conduit with condensing pipeline.The utility model effectively reduces exhaust gas temperature and cold end heat loss, and it is zero that heat loss due to exhaust gas is realized substantially, effectively utilizes fume afterheat.
Description
Technical field
The utility model is related to heat supply network heat supply process field, and in particular to a kind of power plant's heat reclaiming system.
Background technology
Power plants generating electricity process can produce a variety of heat loss, and wherein cold end loss is accounting maximum in all losses, largely
Turbine condenser waste heat can be discharged into by different cooling devices in air, not only waste energy, and harm air,
Heat loss due to exhaust gas is also one of important heat loss simultaneously, and exhaust gas temperature often raises 15 DEG C, and heat loss due to exhaust gas will be made to increase by 1%,
The heat loss of these discharges contains the larger energy, causes energy significant wastage.
Utility model content
To make up the deficiencies in the prior art, the utility model provides a kind of significant power plant's heat energy of reasonable in design, effect and returned
Receipts system.
The utility model is achieved by the following technical solution：
A kind of power plant's heat reclaiming system, including boiler and be sequentially connected air preheater, electric cleaner, air-introduced machine,
Desulfurizing tower and chimney, it is characterized in that：Heat exchanger is connected between the air-introduced machine and desulfurizing tower, the entrance of heat exchanger leads to
The entrance for crossing inlet duct and cold air heaters is connected, and the outlet of cold air heaters is connected by the outlet of outlet conduit and heat exchanger
Connect；The boiler overheating steam is connected with steam turbine, and steam turbine is connected by condensing pipeline with condenser, condenser and cooling tower
Connection；The heat exchanger is connected by inlet duct and outlet conduit with condensing pipeline.
A kind of power plant's heat reclaiming system of the present utility model, the inlet duct that the heat exchanger is connected with cold air heaters
It is provided with circulating pump.
Be sequentially provided with a kind of power plant's heat reclaiming system of the present utility model, the condensation pipeline first it is low plus, second
It is low plus, the 3rd it is low plus and the 4th it is low plus, first it is low plus outlet be connected by the first valve with inlet duct, second it is low add export lead to
Cross the second valve to be connected with inlet duct, the 3rd is low plus outlet is connected by the 3rd valve with outlet conduit, second low adds and the
Three it is low in addition between be provided with control valve.
A kind of power plant's heat reclaiming system of the present utility model, heat exchanger is provided with condensing the inlet duct that pipeline is connected
Booster.
A kind of power plant's heat reclaiming system of the present utility model, the condenser is connected by coolant circulation pump and cooling tower
Connect.
A kind of power plant's heat reclaiming system of the present utility model, this described condenser is connected by condensate pump and oxygen-eliminating device
Connect, oxygen-eliminating device sends water back to boiler by feed pump.
The beneficial effect of utility model is：The utility model effectively reduces exhaust gas temperature and cold end heat loss, substantially in fact
Existing heat loss due to exhaust gas is zero, effectively using fume afterheat, and substantially reduces desulfurization water consumption, steam turbine condensation heat is reduced
20-30 DEG C, lifting power plant overall operation benefit.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the present utility model.
In figure, 1 boiler, 2 air preheaters, 3 electric cleaners, 4 air-introduced machines, 5 heat exchangers, 6 cold air heaters, 7 circulating pumps,
8 condensation pipelines, 9 the 3rd valves, 10 boosters, 11 second valves, 12 first valves, 13 desulfurizing towers, 14 chimneys, 15 steam turbines,
16 inlet ducts, 17 condensers, 18 cooling towers, 19 coolant circulation pumps, 20 oxygen-eliminating devices, 21 condensate pumps, 22 feed pumps, 23 first
It is low plus, 24 second it is low plus, 25 control valves, 26 the 3rd it is low plus, 27 the 4th it is low plus, 28 outlet conduits.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Accompanying drawing is a kind of embodiment of the present utility model.The embodiment includes boiler 1 and the air being sequentially connected
Preheater 2, electric cleaner 3, air-introduced machine 4, desulfurizing tower 13 and chimney 14, are connected between the air-introduced machine 4 and desulfurizing tower 13 and change
Hot device 5, the entrance of heat exchanger 5 is connected by inlet duct 16 with the entrance of cold air heaters 6, heat exchanger 5 and cold air heaters 6
The inlet duct 16 of connection is provided with circulating pump 7, and the outlet of cold air heaters 6 passes through the outlet of outlet conduit 28 and heat exchanger 5
Connection；The superheated steam of boiler 1 is connected with steam turbine 15, and steam turbine 15 is connected by condensing pipeline 8 with condenser 17, condensing
Device 17 is connected by coolant circulation pump 19 with cooling tower 18；The condenser 17 is connected by condensate pump 21 with oxygen-eliminating device 20,
Oxygen-eliminating device 20 sends water back to boiler 1 by feed pump 22；The heat exchanger 5 is by inlet duct 16 and outlet conduit 28 with condensing
Pipeline 8 is connected；It is described condensation pipeline 8 on be sequentially provided with first it is low Jia 23, second it is low Jia 24, the 3rd it is low Jia 26 and the 4th it is low add
27, first it is low Jia 23 outlet be connected by the first valve 12 with inlet duct 16, second low Jia 24 and exports by the second valve 11
Be connected with inlet duct 16, the 3rd it is low Jia 26 outlet be connected by the 3rd valve 9 with outlet conduit 28, second low Jia 24 and the 3rd
It is low Jia 26 between be provided with control valve 25；Heat exchanger 5 is provided with booster 10 with condensing the inlet duct 16 that pipeline 8 is connected.
Operationally, the steam of the superheater of boiler 1 enters steam turbine 15 to the present embodiment, in the condensation pipeline of steam turbine 15
Cooled on 8, now, open the first valve 12, the second valve 11 and the 3rd valve 9, adjust control valve 25, steam turbine coagulates
Bear water to exchange heat by heat exchanger 5 and blown by the heating boiler of cold air heaters 6, and then improve boiler smoke temperature, flowing is situated between
Matter absorbs flue gas heat in heat exchanger 5, and cold wind is heated in cold air heaters 6 after heating, substitutes conventional steam steam air heater.Reduce cigarette
Temperature is to 80 DEG C, subsequently into desulfurizing tower, reduces desulfurizing tower water consumption.
Claims (6)
1. a kind of power plant's heat reclaiming system, including boiler and the air preheater, electric cleaner, air-introduced machine, de- that is sequentially connected
Sulphur tower and chimney, it is characterised in that：Heat exchanger is connected between the air-introduced machine and desulfurizing tower, the entrance of heat exchanger passes through entrance
The entrance connection of pipeline and cold air heaters, the outlet of cold air heaters is connected by the outlet of outlet conduit and heat exchanger；Institute
State boiler overheating steam to be connected with steam turbine, steam turbine is connected by condensing pipeline with condenser, condenser is connected with cooling tower；
The heat exchanger is connected by inlet duct and outlet conduit with condensing pipeline.
2. a kind of power plant's heat reclaiming system according to claim 1, it is characterised in that：The heat exchanger and cold air heating
The inlet duct of device connection is provided with circulating pump.
3. a kind of power plant's heat reclaiming system according to claim 1 or 2, it is characterised in that：On the condensation pipeline according to
It is secondary be provided with first it is low plus, second it is low plus, the 3rd it is low plus and the 4th it is low plus, first it is low plus outlet pass through the first valve and inlet duct
Connection, second is low plus outlet be connected by the second valve with inlet duct, the 3rd it is low add export by the 3rd valve and outlet
Road connect, second it is low plus and the 3rd it is low in addition between be provided with control valve.
4. a kind of power plant's heat reclaiming system according to claim 3, it is characterised in that：Heat exchanger is connected with condensing pipeline
Inlet duct be provided with booster.
5. a kind of power plant's heat reclaiming system according to claim 1 or 2, it is characterised in that：The condenser passes through solidifying
Bear water pump to be connected with oxygen-eliminating device, oxygen-eliminating device sends water back to boiler by feed pump.
6. a kind of power plant's heat reclaiming system according to claim 1 or 2, it is characterised in that：The condenser passes through cold
But circulating pump is connected with cooling tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720292757.1U CN206608968U (en) | 2017-03-24 | 2017-03-24 | A kind of power plant's heat reclaiming system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720292757.1U CN206608968U (en) | 2017-03-24 | 2017-03-24 | A kind of power plant's heat reclaiming system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206608968U true CN206608968U (en) | 2017-11-03 |
Family
ID=60174357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720292757.1U Expired - Fee Related CN206608968U (en) | 2017-03-24 | 2017-03-24 | A kind of power plant's heat reclaiming system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206608968U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194913A (en) * | 2017-12-06 | 2018-06-22 | 中国科学院工程热物理研究所 | A kind of carbon-based solid fuel cogeneration method and system |
| CN109959025A (en) * | 2018-07-24 | 2019-07-02 | 青岛科技大学 | A kind of station boiler afterheat utilizing system of intelligence communication control |
-
2017
- 2017-03-24 CN CN201720292757.1U patent/CN206608968U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194913A (en) * | 2017-12-06 | 2018-06-22 | 中国科学院工程热物理研究所 | A kind of carbon-based solid fuel cogeneration method and system |
| CN108194913B (en) * | 2017-12-06 | 2019-06-18 | 中国科学院工程热物理研究所 | A kind of carbon-based solid fuel cogeneration method and system |
| CN109959025A (en) * | 2018-07-24 | 2019-07-02 | 青岛科技大学 | A kind of station boiler afterheat utilizing system of intelligence communication control |
| CN109959025B (en) * | 2018-07-24 | 2020-06-09 | 青岛科技大学 | Intelligent communication control power station boiler waste heat utilization system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101392992B (en) | Silicon smelting electric furnace waste heat power generation process flow and configuration | |
| CN106090880A (en) | A kind of machine stove set heat circulation afterheat recycling system | |
| CN105157010A (en) | Coal-fired power generation system based on bypass flue at tail part of boiler | |
| CN107687634A (en) | The denitration of boiler full load couples fume afterheat gradient utilization system | |
| CN106051805B (en) | A kind of residual neat recovering system and method using smoke discharging residual heat as steam air heater heat source | |
| CN206608968U (en) | A kind of power plant's heat reclaiming system | |
| CN105889897B (en) | A kind of thermal power plant residual heat integrative recycling system and method | |
| CN201779684U (en) | High-grade recycling system for exhaust heat of power station boiler | |
| CN105698161A (en) | Coal-fired power plant energy level matching heat integration system based on primary air | |
| CN204665244U (en) | A kind of association system of phase-change heat-exchanger band heat exchangers for district heating | |
| CN211650196U (en) | Steam-driven water-feeding pump small-machine exhaust waste heat recycling device | |
| CN111981465A (en) | Flue gas waste heat utilization system | |
| CN205782834U (en) | A kind of residual heat from boiler fume utilizes combining heating system | |
| CN112555888A (en) | Energy-saving utilization device of boiler air supply system as cold source of unit | |
| CN206755129U (en) | A kind of steam raising plant using residual heat from boiler fume | |
| CN203431900U (en) | Smoke cooling and air heating device of power station boiler | |
| CN205208538U (en) | Boiler waste heat adds hot water economizer system | |
| CN205939096U (en) | Send out power boiler flue gas, steam heat recovery utilizes device | |
| CN109210969A (en) | A kind of residual heat of electric power plant and clean energy resource utilization system | |
| CN205979724U (en) | Machine furnace set heat energy circulation waste heat recycling system | |
| CN205535923U (en) | Cleaning type coal fired boiler discharges fume waste heat and puies forward matter and utilize system | |
| CN109210561A (en) | Power station boiler air pre-heater mentions the association system of effect coupling low-grade flue gas heat recovery and utilization | |
| CN104832908B (en) | A kind of association system of phase-change heat-exchanger with heat exchangers for district heating and integrated processes | |
| CN205014337U (en) | A water supply equipment for improving waste heat power generation system heat exchange efficiency | |
| CN206928978U (en) | Turbine condenser heat reuse means |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171103 Termination date: 20200324 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |