CN206073125U - 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
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- CN206073125U CN206073125U CN201621009784.5U CN201621009784U CN206073125U CN 206073125 U CN206073125 U CN 206073125U CN 201621009784 U CN201621009784 U CN 201621009784U CN 206073125 U CN206073125 U CN 206073125U
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- air
- cooled
- suction duct
- finned tube
- waste heat
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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
- Y02E20/34—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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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of Direct Air-Cooled tower waste heat circulation system, sweet-water tank, drainage screen, high-pressure pump, regulating valve and the Air-cooled Unit connected by pipeline successively is constituted, Direct Air-Cooled tower that air cooling blower fan group is made up of finned tube oblique and the blower fan positioned at air cooling tower lower inside are constituted, nozzle is additionally provided with above blower fan, air is flowed to inside the Air-cooled Unit of top by nozzle；Air-suction duct is additionally provided with outside Direct Air-Cooled tower, air-suction duct is arranged for multi-set parallel, it is axially fixed in the top of adjacent finned tube clearance space respectively along finned tube, inlet scoop is provided with also below air-suction duct, waste heat air Jing inlet scoops between finned tube enter air-suction duct, and the outfan of air-suction duct is docked with the pressure fan air supply duct of boiler.This utility model direct air cooled condenser outlet hot-air is used for boiler combustion wind, realizes the cycling and reutilization of the outlet hot-air to Direct Air-Cooled tower, improves the utilization rate of fuel, reduce thermal pollution, reach the effect of energy-saving and emission-reduction.
Description
Technical field
This utility model belongs to heat energy recovery equipment technical field, it is adaptable to Direct Air-Cooled formula generating set, and in particular to
A kind of Direct Air-Cooled tower waste heat circulation system.
Background technology
Great attention with the increasingly deficient of whole world water resource and to environmental protection problem, traditional thermoelectricity water chiller
Severe challenge is faced with because consuming great lot of water resources and certain negative effect being caused to environment.In recent years, China is lean in rich coal
Put into operation substantial amounts of Direct Air-Cooled formula generating set for the northwestern of water, alleviate locality caused due to water resources shortage send out
Electric not enough situation, have received good social benefit.Air-cooled Unit adopts 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.It is wet with same capacity
Cold type circulating cooling unit is compared, and 300MW levels Direct Air-cooled Unit reduces water resources consumption 80%, 600MW level Direct Air-Cooled machines
Group reduction water resources consumption 75%.Therefore, in NORTHWEST CHINA area, new power plant construction mainly adopts Direct Air-Cooled form in recent years,
Reduce the capital consumption that power plant's water resource is produced.But the air source of Direct Air-Cooled temperature after water-cooling system has significantly
Lifting, certain thermal pollution can be caused in being directly discharged into air, and wastes a large amount of thermals source, so, design a system
Waste heat recovery and heat exchange are utilized and just seems significant.
The content of the invention
For defect present in above-mentioned prior art, this utility model provides a kind of Direct Air-Cooled tower waste heat circulation system
System, to realize the cycling and reutilization of the outlet hot-air to Direct Air-Cooled tower.With reference to Figure of description, technology of the present utility model
Scheme is as follows：
A kind of Direct Air-Cooled tower waste heat circulation system, by pipeline successively connect sweet-water tank 1, drainage screen 2, high-pressure pump 3,
Regulating valve 4 and Air-cooled Unit 7 are constituted, Direct Air-Cooled tower and position that the air cooling blower fan group 7 is made up of 12 oblique of finned tube
Constitute in the blower fan 6 of air cooling tower lower inside, above the blower fan 6, be additionally provided with nozzle 5, normal temperature air is inhaled from the external world by blower fan 6
Enter, air is flowed to inside the Air-cooled Unit 7 of top by nozzle 5；
Air-suction duct 9 is additionally provided with outside the Direct Air-Cooled tower, the air-suction duct 9 is arranged for multi-set parallel, respectively
The top of adjacent 12 clearance space of finned tube is axially fixed in along finned tube 12, inlet scoop is also provided with below air-suction duct 9
8, the waste heat air Jing inlet scoops 8 between finned tube 12 enter air-suction duct 9, outfan and the boiler of the air-suction duct 9
Pressure fan air supply duct is docked.
A kind of Direct Air-Cooled tower waste heat circulation system, wherein, 9 input of the air-suction duct has two lateral groups
Into, being exported by same outlet by after converging, the inlet scoop has 2, and below air-suction duct 9, correspondence finned tube 12 is spaced
The position in space.
Compared with prior art, the beneficial effects of the utility model are：
A kind of Direct Air-Cooled tower waste heat circulation system described in the utility model, direct air cooled condenser outlet hot-air is used
In boiler combustion wind, the cycling and reutilization of the outlet hot-air to Direct Air-Cooled tower is realized, the utilization rate of fuel is improve,
Thermal pollution is reduced, the effect of energy-saving and emission-reduction is reached.Additionally, also solving air cooling tubes condenser to a certain extent by this kind of method
Hot air reflux problem, so as to reach the purpose for alleviating cold end corrosion.
Description of the drawings
Fig. 1 is a kind of Direct Air-Cooled tower waste heat circulation system structure diagram of this utility model；
Fig. 2 is a kind of Direct Air-Cooled tower waste heat circulation system hollow cold set structure schematic diagram of this utility model；
Fig. 3 is air draught circulating device structural representation in a kind of Direct Air-Cooled tower waste heat circulation system of this utility model.
In figure：
1- sweet-water tanks；2- drainage screens；3- high-pressure pumps；4- regulating valves；
5- nozzles；6- blower fans；7- Air-cooled Units；8- inlet scoops；
9- air-suction ducts；10- pressure fan air channel；11- condensing water conduits；12- finned tubes；
13- steam turbines initiate pipeline.
Specific embodiment
As shown in figure 1, the utility model discloses a kind of Direct Air-Cooled tower waste heat circulation system, system is anterior to be included successively
Sweet-water tank 1, drainage screen 2, high-pressure pump 3 and Air-cooled Unit 7 that pipeline connects, the finned tube oblique group wherein in Air-cooled Unit 7
Into Direct Air-Cooled tower structure, in high-pressure pump 3 and air cooling tower between be provided with regulating valve 4, blower fan 6 is located at below air cooling tower, wind
Nozzle 5 is provided with above machine 6, from the external world by normal temperature air inspiration, air is flowed in the Air-cooled Unit 7 of top blower fan 6 by nozzle 5
Portion.
As shown in Fig. 2 the Air-cooled Unit 7 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 with 13 UNICOM of exhaust steam in steam turbine pipeline, 12 lower end of finned tube with 11 UNICOM of condensing water conduit.
Exhaust steam in steam turbine enters exhaust steam in steam turbine pipeline 13, and normal temperature air is blown to 12 lower zone of finned tube by Jing finned tubes 12, blower fan 7
Exhaust steam is condensed into condensate, and is flowed out by condensing water conduit 11 by domain, through finned tube region normal temperature air temperature also with
Rising.
As shown in Figure 1, Figure 2 and Figure 3, air-suction duct 9 is provided with the top of Air-cooled Unit 7, the air-suction duct 9 is a plurality of
It is parallel to arrange, it is axially fixed in the top of adjacent 12 clearance space of finned tube respectively by support along finned tube 12.The suction
9 input of wind pipeline is made up of two laterals, is exported by same outlet by after converging.The lower section of the air-suction duct 9
The position of correspondence 12 clearance space of finned tube is provided with 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 12 lower zone of finned tube, exhaust steam is condensed into condensate, and is flowed out by condensing water conduit 11, through wing
The normal temperature air temperature in piece area under control domain is also increased, and part of waste heat air enters air-suction duct 9 by inlet scoop 8.The west
The outfan of wind track 9 is connected with the docking of pressure fan air channel 10, and boiler is flowed back in waste heat air Jing pressure fan air delivery duct.
The course of work and principle of technical solutions of the utility model is 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
Exhaust steam is condensed into condensate outflow, is flowed out by condensing water conduit 11, through the normal of finned tube region by 12 lower zone of piece pipe
Warm air temperature is raised, 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 kind of Direct Air-Cooled tower waste heat circulation system, the sweet-water tank (1) connected by pipeline successively, drainage screen (2), high-pressure pump
(3), regulating valve (4) and Air-cooled Unit (7) composition, it is characterised in that：
Direct Air-Cooled tower and be located at air cooling tower lower inside that the air cooling blower fan group (7) is made up of finned tube (12) oblique
Blower fan (6) composition, be additionally provided with nozzle (5) above the blower fan (6), from the external world by normal temperature air inspiration, air leads to blower fan (6)
Cross nozzle (5) flow direction top Air-cooled Unit (7) internal；
Air-suction duct (9) is additionally provided with outside the Direct Air-Cooled tower, the air-suction duct (9) is arranged for multi-set parallel, respectively
The top of adjacent finned tube (12) clearance space is axially fixed in along finned tube (12), is also provided with below air-suction duct (9)
Inlet scoop (8), waste heat air Jing inlet scoops (8) between finned tube (12) is into air-suction duct (9), the air-suction duct (9)
Outfan dock with the pressure fan air supply duct of boiler.
2. as claimed in claim 1 a kind of Direct Air-Cooled tower waste heat circulation system, it is characterised in that：
Air-suction duct (9) input is made up of two laterals, is exported by same outlet, the inlet scoop Jing after converging
There are 2, the position of correspondence finned tube (12) clearance space below air-suction duct (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621009784.5U CN206073125U (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 |
|---|---|---|---|
| CN201621009784.5U CN206073125U (en) | 2016-08-31 | 2016-08-31 | A kind of Direct Air-Cooled tower waste heat circulation system |
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| Publication Number | Publication Date |
|---|---|
| CN206073125U true CN206073125U (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621009784.5U Active CN206073125U (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 |
|---|---|---|---|---|
| CN106225005A (en) * | 2016-08-31 | 2016-12-14 | 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 |
| CN108519005A (en) * | 2018-04-13 | 2018-09-11 | 洛阳均流流体技术有限公司 | A kind of water-filling method improving air-cooled cooling effect |
-
2016
- 2016-08-31 CN CN201621009784.5U patent/CN206073125U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225005A (en) * | 2016-08-31 | 2016-12-14 | 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 |
| CN108519005A (en) * | 2018-04-13 | 2018-09-11 | 洛阳均流流体技术有限公司 | A kind of water-filling method improving air-cooled cooling effect |
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