CN106225005A - A kind of Direct Air-Cooled tower waste heat circulation system - Google Patents
A kind of Direct Air-Cooled tower waste heat circulation system Download PDFInfo
- Publication number
- CN106225005A CN106225005A CN201610780475.6A CN201610780475A CN106225005A CN 106225005 A CN106225005 A CN 106225005A CN 201610780475 A CN201610780475 A CN 201610780475A CN 106225005 A CN106225005 A CN 106225005A
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- China
- Prior art keywords
- air
- cooled
- suction duct
- finned tube
- waste heat
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- 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
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/06—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using air or other gas as the cooling medium
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of Direct Air-Cooled tower waste heat circulation system, the sweet-water tank, drainage screen, high-pressure pump, regulation valve and the Air-cooled Unit that are connected by pipeline successively form, Direct Air-Cooled tower that air cooling blower fan group is made up of finned tube oblique and be positioned at the blower fan of air cooling tower lower inside and form, blower fan is also arranged above nozzle, air by nozzle flow to above inside Air-cooled Unit；It is additionally provided with air-suction duct outside Direct Air-Cooled tower, air-suction duct is that multi-set parallel is arranged, the top of adjacent finned tube clearance space it is axially fixed in respectively along finned tube, inlet scoop is also had below air-suction duct, waste heat air between finned tube enters air-suction duct through inlet scoop, and the outfan of air-suction duct docks with the pressure fan air supply duct of boiler.Direct air cooled condenser of the present invention outlet hot-air is for boiler combustion wind, it is achieved that Direct Air-Cooled tower exports the cycling and reutilization of hot-air, improves the utilization rate of fuel, reduce thermal pollution, reach the effect of energy-saving and emission-reduction.
Description
Technical field
The invention belongs to heat energy recovery equipment technical field, it is adaptable to Direct Air-Cooled formula generating set, be specifically related to one
Direct Air-Cooled tower waste heat circulation system.
Background technology
Along with the day by day deficient of whole world water resource and the great attention to environmental protection problem, tradition thermoelectricity water chiller
It is faced with severe challenge because consuming great lot of water resources and environment is caused certain negative effect.In recent years, China is lean at rich coal
Put into operation substantial amounts of Direct Air-Cooled formula generating set in the northwestern of water, alleviate local cause due to water resources shortage send out
The situation that electricity is not enough, have received good social benefit.Air-cooled Unit uses air setting turbine discharge, it is to avoid circulation is cold
But evaporation of water and windage loss, and air cooling tubes condenser is relatively low to moisturizing demand, and water-saving result is clearly.Wet with same capacity
Cold type circulating cooling unit is compared, and 300MW level Direct Air-cooled Unit reduces water resources consumption 80%, 600MW level Direct Air-Cooled machine
Group minimizing water resources consumption 75%.Therefore, mainly use Direct Air-Cooled form in NORTHWEST CHINA area new power plant construction in recent years,
Decrease the capital consumption that Water of Power Plant resource produces.But the air source of Direct Air-Cooled temperature after water-cooling system has significantly
Lifting, be directly discharged in air and can cause certain thermal pollution, and waste a large amount of thermal source, so, design a system
Waste heat recovery and heat exchange are utilized and just seems significant.
Summary of the invention
For defect present in above-mentioned prior art, the invention provides a kind of Direct Air-Cooled tower waste heat circulation system,
To realize Direct Air-Cooled tower is exported the cycling and reutilization of hot-air.In conjunction with Figure of description, technical scheme is such as
Under:
A kind of Direct Air-Cooled tower waste heat circulation system, pipeline successively the sweet-water tank 1 connected, drainage screen 2, high-pressure pump 3,
Regulation valve 4 and Air-cooled Unit 7 form, Direct Air-Cooled tower that described air cooling blower fan group 7 is made up of finned tube 12 oblique and position
Blower fan 6 in air cooling tower lower inside forms, and described blower fan 6 is also arranged above nozzle 5, and blower fan 6 is inhaled from the external world by normal temperature air
Entering, air is internal by Air-cooled Unit 7 above nozzle 5 flow direction；
Being additionally provided with air-suction duct 9 outside described Direct Air-Cooled tower, described air-suction duct 9 is arranged for multi-set parallel, respectively
It is axially fixed in the top of adjacent finned tube 12 clearance space along finned tube 12, below air-suction duct 9, also has inlet scoop
8, the waste heat air between finned tube 12 enters air-suction duct 9, the outfan of described air-suction duct 9 and boiler through inlet scoop 8
Pressure fan air supply duct docks.
A kind of Direct Air-Cooled tower waste heat circulation system, wherein, described air-suction duct 9 input has two lateral groups
Becoming, exported by same outlet by after converging, described inlet scoop has 2, is positioned at corresponding finned tube 12 below air-suction duct 9 and is spaced
The position in space.
Compared with prior art, the beneficial effects of the present invention is:
A kind of Direct Air-Cooled tower waste heat circulation system of the present invention, exports hot-air by direct air cooled condenser and is used for pot
Stove burning wind, it is achieved that Direct Air-Cooled tower exports the cycling and reutilization of hot-air, improves the utilization rate of fuel, reduces
Thermal pollution, reaches the effect of energy-saving and emission-reduction.Additionally, rely on this kind of method also to some extent solve air cooling tubes condenser hot blast
Reflux problem, thus reach to alleviate the purpose of cold end corrosion.
Accompanying drawing explanation
Fig. 1 is one Direct Air-Cooled tower waste heat circulation system structure schematic diagram of the present invention；
Fig. 2 is one Direct Air-Cooled tower waste heat circulation system hollow cold set structure schematic diagram of the present invention；
Fig. 3 is air draught circulating device structural representation in one Direct Air-Cooled tower waste heat circulation system of the present invention.
In figure:
1-sweet-water tank；2-drainage screen；3-high-pressure pump；4-regulates valve；
5-nozzle；6-blower fan；7-Air-cooled Unit；8-inlet scoop；
9-air-suction duct；10-pressure fan air channel；11-condensing water conduit；12-finned tube；
13-steam turbine initiates pipeline.
Detailed description of the invention
As it is shown in figure 1, the invention discloses a kind of Direct Air-Cooled tower waste heat circulation system, system front portion includes pipeline successively
Sweet-water tank 1, drainage screen 2, high-pressure pump 3 and the Air-cooled Unit 7 connected, wherein the composition of the finned tube oblique in Air-cooled Unit 7 is straight
Connect air cooling tower structure, in high-pressure pump 3 and air cooling tower between be provided with regulation valve 4, blower fan 6 is positioned at below air cooling tower, on blower fan 6
Side is provided with nozzle 5, and blower fan 6 is from the external world by normal temperature air inspiration, and air is internal by Air-cooled Unit 7 above nozzle 5 flow direction.
As in figure 2 it is shown, the Air-cooled Unit 7 being positioned on Direct Air-Cooled tower inclined-plane, which is provided with many finned tubes 12 as cold
Condenser, the upper end of finned tube 12 all with exhaust steam in steam turbine pipeline 13 UNICOM, finned tube 12 lower end all with condensing water conduit 11 UNICOM.
Exhaust steam in steam turbine enters exhaust steam in steam turbine pipeline 13, and through finned tube 12, normal temperature air is blown to finned tube 12 lower zone by blower fan 7
Territory, condenses into condensation water by exhaust steam, and is flowed out by condensing water conduit 11, the normal temperature air temperature through finned tube region also with
Rising.
As shown in Figure 1, Figure 2 and Figure 3, being arranged over air-suction duct 9 in Air-cooled Unit 7, described air-suction duct 9 is a plurality of
Parallel setting, is axially fixed in the top of adjacent finned tube 12 clearance space respectively by support along finned tube 12.Described suction
Wind pipeline 9 input is made up of two laterals, exports by same outlet by after converging.The lower section of described air-suction duct 9
The position of corresponding finned tube 12 clearance space has two inlet scoops 8, as shown in A, B location in figure.As it was previously stated, blower fan 7 will
Normal temperature air is blown to finned tube 12 lower zone, exhaust steam condenses into condensation water, and is flowed out, through wing by condensing water conduit 11
The normal temperature air temperature in territory, sheet area under control also increases, and part of waste heat air enters air-suction duct 9 by inlet scoop 8.Described west
The outfan of wind track 9 is connected with pressure fan air channel 10 docking, and waste heat air flows back to boiler through pressure fan air delivery duct.
Work process and the principle of technical solution of the present invention are as follows:
Exhaust steam in steam turbine enters exhaust steam in steam turbine pipeline 13, subsequently enters finned tube 12, and normal temperature air is blown to wing by blower fan 7
Sheet pipe 12 lower zone, is condensed into exhaust steam condensation water and flows out, flowed out by condensing water conduit 11, normal through finned tube region
Warm air temperature raises, and part of waste heat air enters air-suction duct by air entry 8, flows back to pot finally by pressure fan air channel 10
Stove, supplies boiler wind, so far defines a complete Direct Air-Cooled tower waste heat circulation system.
Claims (2)
1. a Direct Air-Cooled tower waste heat circulation system, pipeline successively the sweet-water tank (1) connected, drainage screen (2), high-pressure pump
(3), regulation valve (4) and Air-cooled Unit (7) composition, it is characterised in that:
Direct Air-Cooled tower that described air cooling blower fan group (7) is made up of finned tube (12) oblique and be positioned at air cooling tower lower inside
Blower fan (6) composition, described blower fan (6) is also arranged above nozzle (5), and blower fan (6) is from the external world by normal temperature air inspiration, and air leads to
Cross Air-cooled Unit (7) above nozzle (5) flow direction internal；
Being additionally provided with air-suction duct (9) outside described Direct Air-Cooled tower, described air-suction duct (9) is that multi-set parallel is arranged, respectively
It is axially fixed in the top of adjacent finned tube (12) clearance space along finned tube (12), also has in air-suction duct (9) lower section
Inlet scoop (8), the waste heat air between finned tube (12) enters air-suction duct (9), described air-suction duct (9) through inlet scoop (8)
Outfan dock with the pressure fan air supply duct of boiler.
2. a kind of Direct Air-Cooled tower waste heat circulation system, it is characterised in that:
Described air-suction duct (9) input is made up of two laterals, by same outlet output, described inlet scoop after converging
There are (2) individual, are positioned at the position of corresponding finned tube (12) clearance space in air-suction duct (9) lower section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610780475.6A CN106225005A (en) | 2016-08-31 | 2016-08-31 | A kind of Direct Air-Cooled tower waste heat circulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610780475.6A CN106225005A (en) | 2016-08-31 | 2016-08-31 | A kind of Direct Air-Cooled tower waste heat circulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106225005A true CN106225005A (en) | 2016-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610780475.6A Pending CN106225005A (en) | 2016-08-31 | 2016-08-31 | A kind of Direct Air-Cooled tower waste heat circulation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043875A (en) * | 2019-08-26 | 2020-04-21 | 华北电力大学 | System for recycling hot air in cooling tower between power station |
| CN113670086A (en) * | 2021-08-13 | 2021-11-19 | 广州环投福山环保能源有限公司 | Shading wind-proof air cooling island waste incineration power plant with coupled compressed air energy storage |
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| CN201652683U (en) * | 2010-04-07 | 2010-11-24 | 首航艾启威冷却技术(北京)有限公司 | X-type atomizing humidifying temperature-reducing device in direct air-cooling system of power station |
| CN102003888A (en) * | 2010-11-19 | 2011-04-06 | 华北电力大学（保定） | Optimization method of spraying humidification system of direct air condenser |
| CN102425957A (en) * | 2011-11-24 | 2012-04-25 | 华北电力大学 | Plate type evaporation air-cooling condenser with obliquely-arranged heat exchange plate bundles |
| CN102538500A (en) * | 2012-03-09 | 2012-07-04 | 保定市伊莱克科技有限公司 | Energy-saving cooling method and system for reducing exhaust steam pressure of air-cooled unit in power plant |
| CN103353241A (en) * | 2013-06-26 | 2013-10-16 | 山东电力工程咨询院有限公司 | Closed type multichannel air cooling system realizing forced ventilation and cooling and working method |
| JP2014238241A (en) * | 2013-06-10 | 2014-12-18 | 大谷開発株式会社 | Dry distillation incinerator and dry distillation incineration system mounted with the same |
| CN204113364U (en) * | 2014-05-29 | 2015-01-21 | 西安交通大学 | The waste heat recovering device of lack of water cold area Direct Air-cooled Unit |
| CN206073125U (en) * | 2016-08-31 | 2017-04-05 | 吉林省电力科学研究院有限公司 | A kind of Direct Air-Cooled tower waste heat circulation system |
-
2016
- 2016-08-31 CN CN201610780475.6A patent/CN106225005A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614487A (en) * | 2009-07-21 | 2009-12-30 | 北京龙源冷却技术有限公司 | A kind of peak cooling device for air cooling condenser |
| CN201652683U (en) * | 2010-04-07 | 2010-11-24 | 首航艾启威冷却技术(北京)有限公司 | X-type atomizing humidifying temperature-reducing device in direct air-cooling system of power station |
| CN102003888A (en) * | 2010-11-19 | 2011-04-06 | 华北电力大学（保定） | Optimization method of spraying humidification system of direct air condenser |
| CN102425957A (en) * | 2011-11-24 | 2012-04-25 | 华北电力大学 | Plate type evaporation air-cooling condenser with obliquely-arranged heat exchange plate bundles |
| CN102538500A (en) * | 2012-03-09 | 2012-07-04 | 保定市伊莱克科技有限公司 | Energy-saving cooling method and system for reducing exhaust steam pressure of air-cooled unit in power plant |
| JP2014238241A (en) * | 2013-06-10 | 2014-12-18 | 大谷開発株式会社 | Dry distillation incinerator and dry distillation incineration system mounted with the same |
| CN103353241A (en) * | 2013-06-26 | 2013-10-16 | 山东电力工程咨询院有限公司 | Closed type multichannel air cooling system realizing forced ventilation and cooling and working method |
| CN204113364U (en) * | 2014-05-29 | 2015-01-21 | 西安交通大学 | The waste heat recovering device of lack of water cold area Direct Air-cooled Unit |
| CN206073125U (en) * | 2016-08-31 | 2017-04-05 | 吉林省电力科学研究院有限公司 | A kind of Direct Air-Cooled tower waste heat circulation system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043875A (en) * | 2019-08-26 | 2020-04-21 | 华北电力大学 | System for recycling hot air in cooling tower between power station |
| CN113670086A (en) * | 2021-08-13 | 2021-11-19 | 广州环投福山环保能源有限公司 | Shading wind-proof air cooling island waste incineration power plant with coupled compressed air energy storage |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161214 |