CN102954702A - Tee joint with barrier for direct air-cooling gas exhaust pipeline - Google Patents
Tee joint with barrier for direct air-cooling gas exhaust pipeline Download PDFInfo
- Publication number
- CN102954702A CN102954702A CN2012105084150A CN201210508415A CN102954702A CN 102954702 A CN102954702 A CN 102954702A CN 2012105084150 A CN2012105084150 A CN 2012105084150A CN 201210508415 A CN201210508415 A CN 201210508415A CN 102954702 A CN102954702 A CN 102954702A
- Authority
- CN
- China
- Prior art keywords
- barrier
- direct air
- inlet tube
- vertical direction
- threeway
- 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.)
- Granted
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a tee joint with a barrier for a direct air-cooling gas exhaust pipeline, and solves the problem of low operation efficiency of an air-cooling condenser due to unreasonable arrangement of a tee-joint pipeline in the gas exhaust pipeline. The tee joint with the barrier for the direct air-cooling gas exhaust pipeline comprises a left elliptic barrier (4) arranged in a horizontal-direction left outlet pipe (2), wherein a right elliptic barrier (5) is arranged in a horizontal-direction right outlet pipe (3); a long shaft (6) of the left elliptic barrier (4) and a long shaft (7) of the right elliptic barrier (5) are used as two waists of an isosceles triangle and form the isosceles triangle with a diameter (8) in a left and right horizontal direction on the top round face of a vertical-direction inlet pipe (1); the apex angle (2theta) of the isosceles triangle is 20-45 degrees; the left elliptic barrier (4) and the right elliptic barrier (5) have the same structure; and the left elliptic barrier (4) is in a net-shaped structure formed by a surface plate rib plate (9) and an arc-shaped flow guide plate (10) which are mutually vertical. The tee joint with the barrier for the direct air-cooling gas exhaust pipeline is suitable for the direct air cooling system of a unit of 125MW and above.
Description
Technical field
The present invention relates to a kind of threeway, particularly employed threeway in a kind of Direct Air-Cooled blow-off line.
Background technology
In rich coal water-deficient area, air cooling is the Major Cooling Methods of thermal power plant.In Direct Air-cooled Unit, turbine discharge enters through the air cooling blow-off line and carries out condensation in the air cooling tubes condenser.Because the flow velocity of blow-off line medium is very high, add unreasonable that blow-off line is arranged and tee pipe fitting arranges, make medium flow velocity in blow-off line inhomogeneous, cause drag losses large, having affected the operational efficiency of air cooling tubes condenser and the antifreeze maintenance in winter, also is the large problem that is directly connected to the economical operation of air cooled generator group and safety.
Summary of the invention
The invention discloses the threeway with barrier of using in a kind of Direct Air-Cooled blow-off line, solved the operational efficiency low technical problem that tee pipe fitting in the blow-off line arranges the unreasonable air cooling tubes condenser that brings.
The threeway with barrier of using in a kind of Direct Air-Cooled blow-off line, the vertical direction inlet tube that comprises threeway, the right outlet of horizontal direction of the left outlet of the horizontal direction of threeway and threeway, be provided with in the horizontal direction left oval barrier in the left outlet, be provided with in the horizontal direction right oval barrier in the right outlet, the major axis of left oval barrier and the major axis of right oval barrier form an isosceles triangle as the diameter of the left and right horizontal direction on the tip circle face of two waists of isosceles triangle and vertical direction inlet tube, and the drift angle of this isoceles triangle shape is the 20-45 degree, left oval barrier is identical with right oval barrier structure, left oval barrier is streamlined by the limit, both ends that orthogonal plate floor and arc deflector form cancellated, vertical with the major axis of left oval barrier arc deflector.
The arc radius of described arc deflector
External diameter with the vertical direction inlet tube
The pass be
=0.15
, the thickness of arc deflector
Pipe thickness with the vertical direction inlet tube
Identical.
The quantity of the arc deflector in the described left oval barrier
, the vertical direction inlet tube external diameter
, the vertical direction inlet tube pipe thickness
Arc radius with arc deflector
Between the pass be:
The quantity N of the plate floor in the described left oval barrier is the external diameter of the vertical direction inlet tube of unit when being millimeter
Divided by the merchant who obtains after 1200.
Each arc deflector in the described left oval barrier is that unequal-interval is arranged, wherein, near the first spacing between two of the vertical direction inlet tube adjacent arc deflectors is:
, the spacing of other two adjacent arc deflectors
+ 1For:
, wherein:
Distance between the adjacent plate floor in the described left oval barrier
For:
Described arc deflector and passive plate floor are steel plate, directly are welded on threeway inside.The radian of arc deflector is 90 degree.
Install guiding device in the Direct Air-Cooled blow-off line of the present invention threeway additional and have the characteristics such as easy to process, long service life, can in engineering, use and provide a preferably solution for Direct Air-Cooled blow-off line current-sharing drag reduction.The present invention is adapted to 125MW and above unit direct air cooling system.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is that A-A among Fig. 1 is to cutaway view;
Fig. 3 is the structural representation of left oval barrier 4 of the present invention;
Fig. 4 is the structural representation of arc deflector 10 of the present invention.
The specific embodiment
The threeway with barrier of using in a kind of Direct Air-Cooled blow-off line, the vertical direction inlet tube 1 that comprises threeway, the right outlet 3 of horizontal direction of the left outlet 2 of the horizontal direction of threeway and threeway, be provided with left oval barrier 4 in the left outlet 2 in the horizontal direction, be provided with right oval barrier 5 in the right outlet 3 in the horizontal direction, the major axis 6 of left oval barrier 4 and the major axis 7 of right oval barrier 5 form an isosceles triangle as the diameter 8 of the left and right horizontal direction on the tip circle face of two waists of isosceles triangle and vertical direction inlet tube 1, and drift angle 2 θ of this isoceles triangle shape are the 20-45 degree, left oval barrier 4 is identical with right oval barrier 5 structures, left oval barrier 4 is made of cancellated orthogonal plate floor 9 and arc deflector 10, the limit, both ends 11 of the arc deflector 10 vertical with the major axis 6 of left oval barrier 4 is streamlined.
The arc radius of described arc deflector 10
External diameter with vertical direction inlet tube 1
The pass be
=0.15
, the thickness of arc deflector 10
Pipe thickness with vertical direction inlet tube 1
Identical.
The quantity of the arc deflector 10 in the described left oval barrier 4
, vertical direction inlet tube 1 external diameter
, vertical direction inlet tube 1 pipe thickness
Arc radius with arc deflector 10
Between the pass be:
The quantity N of the plate floor 9 in the described left oval barrier 4 is external diameters of the vertical direction inlet tube 1 of unit when being millimeter
Divided by the merchant who obtains after 1200.
Each arc deflector 10 in the described left oval barrier 4 is that unequal-interval is arranged, wherein, near the first spacing between two of vertical direction inlet tube 1 adjacent arc deflectors is:
, the spacing of other two adjacent arc deflectors
+ 1For:
, wherein:
Distance between the adjacent plate floor 9 in the described left oval barrier 4
For:
The threeway shell of Direct Air-Cooled blow-off line is the carbon steel manufacturing.Adopt the welding processing mode, fillet welding is adopted in all welding, and arc deflector 10 and plate floor 9 require enough rigidity and intensity, arc deflector 10 moldings.
Claims (4)
1. the threeway with barrier of using in the Direct Air-Cooled blow-off line, the vertical direction inlet tube (1) that comprises threeway, the right outlet of horizontal direction (3) of the left outlet of the horizontal direction of threeway (2) and threeway, it is characterized in that, be provided with left oval barrier (4) in the left outlet (2) in the horizontal direction, be provided with right oval barrier (5) in the right outlet (3) in the horizontal direction, the major axis (6) of left oval barrier (4) and the major axis (7) of right oval barrier (5) form an isosceles triangle as the diameter (8) of the left and right horizontal direction on the tip circle face of two waists of isosceles triangle and vertical direction inlet tube (1), and the drift angle of this isoceles triangle shape (2 θ) is the 20-45 degree, left oval barrier (4) is identical with right oval barrier (5) structure, left oval barrier (4) is streamlined by the limit, both ends (11) that orthogonal plate floor (9) and arc deflector (10) form cancellated, vertical with the major axis (6) of left oval barrier (4) arc deflector (10).
2. according to the threeway with barrier of using in claims 1 described Direct Air-Cooled blow-off line, it is characterized in that: the arc radius of described arc deflector (10)
External diameter with vertical direction inlet tube (1)
The pass be
=0.15
, the thickness of arc deflector (10)
Pipe thickness with vertical direction inlet tube (1)
Identical.
3. according to the threeway with barrier of using in claims 2 described Direct Air-Cooled blow-off lines, it is characterized in that: the quantity of the arc deflector (10) in the described left oval barrier (4)
, vertical direction inlet tube (1) external diameter
, vertical direction inlet tube (1) pipe thickness
And the arc radius of arc deflector (10)
Between the pass be:
The quantity N of the plate floor (9) in the described left oval barrier (4) is the external diameter of the vertical direction inlet tube (1) of unit when being millimeter
Divided by the merchant who obtains after 1200.
4. according to the threeway with barrier of using in claims 3 described Direct Air-Cooled blow-off lines, it is characterized in that: each arc deflector (10) in the described left oval barrier (4) is that unequal-interval is arranged, wherein, near the first spacing between two of vertical direction inlet tube (1) adjacent arc deflectors be:
, the spacing of other two adjacent arc deflectors
+ 1For:
, wherein:
Distance between the adjacent plate floor (9) in the described left oval barrier (4)
For:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210508415.0A CN102954702B (en) | 2012-12-03 | 2012-12-03 | Tee joint with barrier for direct air-cooling gas exhaust pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210508415.0A CN102954702B (en) | 2012-12-03 | 2012-12-03 | Tee joint with barrier for direct air-cooling gas exhaust pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102954702A true CN102954702A (en) | 2013-03-06 |
| CN102954702B CN102954702B (en) | 2014-08-13 |
Family
ID=47763836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210508415.0A Active CN102954702B (en) | 2012-12-03 | 2012-12-03 | Tee joint with barrier for direct air-cooling gas exhaust pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102954702B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912322A (en) * | 2014-04-12 | 2014-07-09 | 国家电网公司 | Oblique-flow plate type direct air-cooling condensate water energy dissipating device |
| CN114812214A (en) * | 2022-06-24 | 2022-07-29 | 中国能源建设集团山西省电力勘测设计院有限公司 | Direct air cooling system transformation method for enabling air cooling condenser to have energy-saving and life-prolonging effects |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201330625Y (en) * | 2009-01-19 | 2009-10-21 | 北京交通大学 | Guiding device in direct air-cooling dendritic discharge conduit system |
| CN202973946U (en) * | 2012-12-03 | 2013-06-05 | 山西省电力勘测设计院 | Tee joint with grids used in direct air-cooled exhaust steam pipe |
-
2012
- 2012-12-03 CN CN201210508415.0A patent/CN102954702B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201330625Y (en) * | 2009-01-19 | 2009-10-21 | 北京交通大学 | Guiding device in direct air-cooling dendritic discharge conduit system |
| CN202973946U (en) * | 2012-12-03 | 2013-06-05 | 山西省电力勘测设计院 | Tee joint with grids used in direct air-cooled exhaust steam pipe |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912322A (en) * | 2014-04-12 | 2014-07-09 | 国家电网公司 | Oblique-flow plate type direct air-cooling condensate water energy dissipating device |
| CN114812214A (en) * | 2022-06-24 | 2022-07-29 | 中国能源建设集团山西省电力勘测设计院有限公司 | Direct air cooling system transformation method for enabling air cooling condenser to have energy-saving and life-prolonging effects |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102954702B (en) | 2014-08-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102419112B (en) | Diversion device for environmental wind outside vertically arranged air-cooled radiator of indirect air cooling system | |
| CN103217025B (en) | Air-cooling condenser structure containing horizontal shaft axial flow fan group | |
| CN108800175A (en) | A kind of large size flue Three-dimensional Flow homogenization method and device | |
| CN103697730A (en) | Fast cooler of high-temperature flue gas | |
| CN102954702B (en) | Tee joint with barrier for direct air-cooling gas exhaust pipeline | |
| CN202973946U (en) | Tee joint with grids used in direct air-cooled exhaust steam pipe | |
| CN108654368A (en) | Combustion gas SCR denitration module and the method for reducing combustion gas SCR denitration resistance | |
| CN104916880B (en) | Batteries of electric automobile water cooling plant | |
| CN203734395U (en) | Novel stator ventilation-duct structure | |
| CN103486602B (en) | Three-level flow equalizing, diffusion and transition flue of heat recovery boiler of gas turbine | |
| CN205119854U (en) | Cooling air flow field guiding device in air cooling condenser unit | |
| CN203274579U (en) | Air inlet face air ducting of waste steam indirect air cooling tower of power station steam turbine | |
| CN205561585U (en) | Mud cooling tower | |
| CN109351184B (en) | Composite mixing device, SCR denitration equipment and composite ammonia spraying mixing method | |
| CN208465624U (en) | Low resistance type combustion gas SCR denitration module | |
| CN203396275U (en) | Heat exchanger impingement plate with rotating blades | |
| CN201817532U (en) | Gas heat exchanger in heating furnace of steel rolling system | |
| CN210154372U (en) | Novel heat exchanger with high heat exchange efficiency and easy installation for vacuum furnace | |
| CN202675955U (en) | Screen-type gas flue heat exchanger | |
| CN203940755U (en) | A kind of mounting structure for direct air cooling system surroundings wind field inducing device | |
| CN110274511A (en) | A kind of cooling stack air intake guide device | |
| CN206009435U (en) | A kind of two cutting passing water coolers | |
| CN104654837A (en) | V-shaped vertical arrangement type finned tube bundle air-cooling air radiator with equilateral triangle-shaped arrangement manner | |
| CN212378553U (en) | Device for cooling flue gas rich in high-concentration sulfur dioxide | |
| CN202709811U (en) | Air cooler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 030001 Yingze street, Shanxi, No. 255, No. Applicant after: CEEC Shanxi Electric Power Exploration & Design Institute Address before: 030001 Yingze street, Shanxi, No. 255, No. Applicant before: Shanxi Electric Power Exploration & Design Institute |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: SHANXI ELECTRIC POWER EXPLORATION + DESIGN INSTITUTE TO: CEEC SHANXI ELECTRIC POWER EXPLORATION + DESIGN INSTITUTE |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA ENERGY ENGINEERING GROUP SHANXI ELECTRIC POW Free format text: FORMER NAME: CEEC SHANXI ELECTRIC POWER EXPLORATION + DESIGN INSTITUTE |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 030001 Yingze street, Shanxi, No. 255, No. Patentee after: Co., Ltd of Chinese energy construction group Shanxi Electric Power Exploration & Design Institute Address before: 030001 Yingze street, Shanxi, No. 255, No. Patentee before: CEEC Shanxi Electric Power Exploration & Design Institute |