CN201302387Y - Tower-shaped lateral-pumping type power station steam condenser tube bundle - Google Patents
Tower-shaped lateral-pumping type power station steam condenser tube bundle Download PDFInfo
- Publication number
- CN201302387Y CN201302387Y CNU2008202226182U CN200820222618U CN201302387Y CN 201302387 Y CN201302387 Y CN 201302387Y CN U2008202226182 U CNU2008202226182 U CN U2008202226182U CN 200820222618 U CN200820222618 U CN 200820222618U CN 201302387 Y CN201302387 Y CN 201302387Y
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- condenser pipe
- condenser
- tube bank
- zone tube
- tower
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Abstract
The utility model relates to a tower-shaped lateral-pumping type power station steam condenser tube bundle, wherein tube holes are processed on a tube plate, a condenser tube is arranged in each tube hole, and the condenser tubes are arrayed in parallel to form a main condensation zone tube bundle and an air-cooling zone tube bundle arranged in the main condensation zone tube bundle, a steam retaining plate is arranged on a channel tube plate between the air-cooling zone tube bundle and the main condensation zone tube bundle, and an extraction steam pipe is further arranged on the tube plate. The main condensation zone tube bundle is arrayed to be a tower shape in parallel by condenser tubes, two symmetrical fan-shaped air-cooling zone tube bundles are arranged in the condensing space on the lower portion of the main condensation zone tube bundle, and the extraction steam pipe is arranged on two outer sides of the air-cooling zone tube bundle on the lower portion in the main condensation zone tube bundle. The tower-shaped lateral-pumping type power station steam condenser tube bundle has the advantages of big tube bundle floor area ratio, small air collection zone, high heat conversion ratio and the like, which can be used as a steam condenser of a thermal power plant.
Description
Technical field
The utility model belongs to power station condensing equipment technical field, and the tube bank that is specifically related to the condenser cooling tube is arranged.
Background technology
At present, banded bank of condenser pipes, avette bank of condenser pipes that condenser manufacturing firm design both at home and abroad, the condenser of power station tube bundle type of making mainly are.The technical problem that banded bank of condenser pipes and avette bank of condenser pipes exist is that the tube bank district exists certain mobile whirlpool, it is not smooth that steam after tentatively condensing leads to flowing of air cooling zone, causes main condensing zone the decline significantly of air accumulation and local heat transfer coefficient to occur; Another technical problem that banded bank of condenser pipes and avette bank of condenser pipes exist is that air concentration high mixture flow process in tube bank center is long, easily mixes with main steam stream, and influence is conducted heat, and the overall heat transfer coefficient is lower; The technical problem that also has that banded bank of condenser pipes and avette bank of condenser pipes exist is that the tube bank district is peripheral because the steam flow area reduces suddenly, and two wing passages are too narrow, and the quantity of steam that has caused entering the tube bank district from both sides reduces, and it is bigger to cause local pressure to reduce.
The patent No. is 01206563.3, denomination of invention is the Chinese patent of " condenser of power station modular Pipe bundle structure ", and top is double tower shape tubular structure, and the bottom combines as a whole, and the volume of bottom is big, when tube bank is assembled in housing, is not easy to assembling.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the shortcoming of above-mentioned banded bank of condenser pipes and avette bank of condenser pipes, provides a kind of tower side-extract type condenser of power station reasonable in design, that the tube bank plot ratio is big, the air accumulation district is little, thermal conversion rate is high to restrain.
Solving the problems of the technologies described above the technical scheme that is adopted is: be processed with pore on tube sheet, be provided with 1 condenser pipe in each pore, the air cooling zone tube bank that condenser pipe is arranged in parallel and constitutes main condensing zone tube bank and be positioned at main condensing zone tube bank, passage tube sheet between air cooling zone tube bank and the tube bank of main condensing zone is provided with steam baffle, also is provided with exhaust tube on the tube sheet.Main condensing zone tube bank of the present utility model is arranged in parallel into turriform by condenser pipe, and the tower aspect ratio that width that cat head layer condenser pipe arranged and condenser pipe are arranged is 1: 15～20.Air cooling zone of the present utility model tube bank is made of two tube banks and is arranged on bottom in the main condensing zone tube bank.Exhaust tube of the present utility model is arranged on two outsides that the bottom air cooling zone is restrained in the main condensing zone tube bank on the tube sheet.
Main condensing zone tube bank of the present utility model is: main condensing zone tube bank is arranged in parallel into turriform by condenser pipe, the cat head layer is arranged with 6～12 condenser pipes in parallel, the following every layer of left side of 5～10 layers of condenser pipe of cat head layer condenser pipe, the right side increases progressively 1 condenser pipe and arranges, apart from the condenser pipe of top layer below 5～10 layers, per 2～5 layers of left side, the right side increases progressively 1/2 place of 1 condenser pipe arrangement until the tower height degree, 1/2 place of tower height degree, 2～5 layers of condenser pipe more than at the bottom of the distance tower, every layer of condenser pipe arrangement radical is identical, every layer of 1～3 condenser pipe that each side successively decreases of 2～5 layers of condenser pipe arranged at the bottom of the tower, the tower aspect ratio that width that cat head layer condenser pipe arranged and condenser pipe are arranged is 1: 15～20, be arranged in parallel circle cylindricality space at the bottom of the tower before and after the left and right sides, 1/3 place, center in the main condensing zone tube bank is arranged in the general gas passage a of 2～4 condenser pipes apart from the closed at both ends up and down of width, and the front and back condenser pipe is arranged in 1 condensation space and at least 2 polygon space that link or do not link with general gas passage a that link with general gas passage a on general gas passage a.
Two bundle shapes of air cooling zone tube bank of the present utility model are the fan-shaped center line both sides that are positioned at.
One deck condenser pipe and neighbouring one deck condenser pipe of main condensing zone tube bank of the present utility model and air cooling zone tube bank are staggered.
Adjacent two condenser pipes are arranged in equilateral triangle in condenser pipe in one deck condenser pipe that main condensing zone tube bank of the present utility model and air cooling zone are restrained and adjacent upper strata condenser pipe or the lower floor's condenser pipe.
The utility model is compared with existing bank of condenser pipes arrangement architecture, main condensing zone tube bank of the present utility model adopts tower to arrange, and the fan-shaped air cooling zone tube bank of two symmetries is set in the condensation space of main condensing zone tube bank bottom, and exhaust tube is arranged on two outsides of bottom air cooling zone tube bank in the main condensing zone tube bank, the condenser of this structure, admission is all around flowed steadily steam, and whole tube bank does not have the dead band, heat-transfer effect is good, because full admission increases the admission cross section, reduce the steam pressure loss; Between main condensing zone tube bank and the cold-zone tube bank bigger passage is arranged, the condensate water that the Steam Heating bottom directly arriving is following, deoxygenation well; Air cooling zone is divided into two, and makes whole steam even flow field smoothness; Main condensing zone tube bank center condenser pipe is arranged in general gas passage, and main condensing zone pressure drop is little, and steam condenses fully, and film-cooled heat is fully used.The average flow process of steam is short, and the vapor stream dynamic resistance is little, has eliminated steam eddy current and air accumulation in the main condensing zone tube bank, helps improving the condenser heat transfer coefficient; This tube bank is more loose, and heat transfer coefficient is corresponding higher; Main condensing zone tube bank is restrained into seriation with the cold-zone, and the big I of the thermic load of condenser realizes by the number that changes the condenser pipe of restraining.The utlity model has big, little, the thermal conversion rate advantages of higher in air accumulation district of tube bank plot ratio, can be used as the condenser of thermal power plant.
Description of drawings
Fig. 1 is the front view of an embodiment of the utility model.
Fig. 2 is the condenser pipe 2 ordering figure of the tube bank 3 of main condensing zone and air cooling zone tube bank 6 among Fig. 1.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples, but the utility model is not limited to these embodiment.
Embodiment 1
In Fig. 1,2,3, the tube bank of the tower side-extract type condenser of power station of present embodiment is made of tube sheet 1, condenser pipe 2, main condensing zone tube bank 3, exhaust tube 4, steam baffle 5, air cooling zone tube bank 6 connections.
Be processed with pore on tube sheet 1, a condenser pipe 2 is installed in each pore, the rear and front end of condenser pipe 2 connects with tube sheet 1 welding, and condenser pipe 2 fore-and-aft directions are arranged in parallel and constitute main condensing zone tube bank 3.
The main condensing zone tube bank 3 of present embodiment is arranged in parallel into turriform by condenser pipe 2, cat head layer fore-and-aft direction is equipped with 9 condenser pipes 2 abreast on tube sheet 1, top layer condenser pipe 2 following 8 layers of condenser pipe, 2 every layer of left and right side increase progressively 1 condenser pipe 2 and arrange, promptly from top layer condenser pipe 2 down the second layer arrange 11 condenser pipes 2, arrange 13 condenser pipes 2 for the 3rd layer, arrange 15 condenser pipes 2 for the 4th layer, layer 5 is arranged 17 condenser pipes 2, layer 6 is arranged 19 condenser pipes 2, layer 7 is arranged 21 condenser pipes and is arranged 23 condenser pipes 2 for 2, the eight layers.Apart from the condenser pipe 2 of top layer below 8 layers, per 3 layers of left and right side increase progressively 1 condenser pipe 2 to be arranged until 1/2 place of tower height degree, and promptly the 9th to 25 condenser pipes 2 of every layer of arrangement of eleventh floor, until 1/2 place of distance tower height degree.Apart from 1/2 place of tower height degree more than at the bottom of the distance tower 3 layers of condenser pipe 2, it is identical that every layer of condenser pipe 2 arranged radicals, 3 layers of condenser pipe 2 every layer of 2 condenser pipe 2 that each side successively decreases are arranged at the bottom of the tower.The tower aspect ratio that width that cat head layer condenser pipe 2 arranged and condenser pipe 2 are arranged is 1: 18.1/3 place left and right sides fore-and-aft direction is arranged in two parallel circle cylindricality spaces at the bottom of the tower, is used to install exhaust tube 4.Centers in the main condensing zone tube bank 3 be arranged in 2 condenser pipes in top apart from width, 3 condenser pipes in middle part apart from width, 4 condenser pipes in bottom are apart from the general gas passage a of the closed at both ends up and down of width, the cooled residual steam of steam flows out from general gas passage a, condenser pipe 2 is arranged in 1 condensation space, 4 hexagon space that link with general gas passage that link with general gas passage a before and after on general gas passage a, condensation space is used to arrange air cooling zone tube bank 6, and the hexagon space is used to install pull bar.
Air cooling zone tube bank 6 condenser pipes 2 that are installed on the tube sheet 1 of present embodiment are arranged in two fan-shaped tube banks, and two fan-shaped tube banks are positioned at the condensation space of main condensing zone tube bank 3 bottoms, are arranged in the both sides of center line symmetrically.On the tube sheet 1 of passage steam baffle 5 is installed between main condensing zone tube bank 3 and the air cooling zone tube bank 6, steam baffle 5 is used to stop steam.
The main condensing zone tube bank 3 of present embodiment is arranged in parallel into turriform, cat head layer fore-and-aft direction is equipped with 6 condenser pipes 2 abreast on tube sheet 1, the tower aspect ratio that width that cat head layer condenser pipe 2 arranged and condenser pipe 2 are arranged is 1: 15, and it is identical with embodiment 1 with condenser pipe 2 orderings that the bottom is installed on the tube sheet 1 that main condensing zone is restrained 3 middle parts.Condenser pipe 2 orderings of air cooling zone tube bank 6 are identical with embodiment 1.The connecting relation of other parts and parts is identical with embodiment 1.
The main condensing zone tube bank 3 of present embodiment is arranged in parallel into turriform, cat head layer fore-and-aft direction is equipped with 12 condenser pipes 2 abreast on tube sheet 1, the tower aspect ratio that width that cat head layer condenser pipe 2 arranged and condenser pipe 2 are arranged is 1: 20, and it is identical with embodiment 1 with condenser pipe 2 orderings that the bottom is installed on the tube sheet 1 that main condensing zone is restrained 3 middle parts.Condenser pipe 2 orderings of air cooling zone tube bank 6 are identical with embodiment 1.The connecting relation of other parts and parts is identical with embodiment 1.
Embodiment 4
The main condensing zone tube bank 3 of present embodiment is arranged in parallel into turriform, cat head layer fore-and-aft direction is equipped with 6 condenser pipes 2 abreast on tube sheet 1, the tower aspect ratio that width that cat head layer condenser pipe 2 arranged and condenser pipe 2 are arranged is 1: 20, and it is identical with embodiment 1 with condenser pipe 2 orderings that the bottom is installed on the tube sheet 1 that main condensing zone is restrained 3 middle parts.Condenser pipe 2 orderings of air cooling zone tube bank 6 are identical with embodiment 1.The connecting relation of other parts and parts is identical with embodiment 1.
The main condensing zone tube bank 3 of present embodiment is arranged in parallel into turriform, cat head layer fore-and-aft direction is equipped with 12 condenser pipes 2 abreast on tube sheet 1, the tower aspect ratio that width that cat head layer condenser pipe 2 arranged and condenser pipe 2 are arranged is 1: 15, and it is identical with embodiment 1 with condenser pipe 2 orderings that the bottom is installed on the tube sheet 1 that main condensing zone is restrained 3 middle parts.Condenser pipe 2 orderings of air cooling zone tube bank 6 are identical with embodiment 1.The connecting relation of other parts and parts is identical with embodiment 1.
In embodiment 1, centers in the main condensing zone tube bank 3 be arranged in 2 condenser pipes 2 in top apart from width, 3 condenser pipes 2 in middle part apart from width, 4 condenser pipes 2 in bottom are apart from the general gas passage a of the closed at both ends up and down of width, the cooled residual steam of steam flows out from general gas passage a, and parallel condenser 2 is arranged in 2 hexagon spaces that do not link with general gas passage a on general gas passage a.The connecting relation of other parts and parts is identical with embodiment 1.
Also can design the tower side-extract type condenser of power station of another concrete structure according to above-mentioned principle and restrain, but all within protection domain of the present utility model.
Claims (6)
1, a kind of tower side-extract type condenser of power station tube bank, on tube sheet (1), be processed with pore, be provided with 1 condenser pipe (2) in each pore, the air cooling zone tube bank (6) that condenser pipe (2) is arranged in parallel and constitutes main condensing zone tube bank (3) and be positioned at main condensing zone tube bank (3), passage tube sheet (1) between air cooling zone tube bank (6) and the main condensing zone tube bank (3) is provided with steam baffle (5), also be provided with exhaust tube (4) on the tube sheet (1), it is characterized in that: main condensing zone tube bank (3) is arranged in parallel into turriform by condenser pipe (2), and the tower aspect ratio that width that cat head layer condenser pipe (2) arranged and condenser pipe (2) are arranged is 1: 15～20; Said air cooling zone tube bank (6) is made of two tube banks and is arranged on main condensing zone tube bank (3) interior bottom; Said exhaust tube (4) is arranged on two outsides that tube sheet (1) is gone up main condensing zone tube bank (3) interior bottom air cooling zone tube bank (6).
2, restrain according to the described tower side-extract type of claim 1 condenser of power station, it is characterized in that said main condensing zone tube bank (3) is: the cat head layer is arranged with 6～12 condenser pipes (2) in parallel, the following every layer of left side of 5～10 layers of condenser pipe (2) of cat head layer condenser pipe (2), the right side increases progressively 1 condenser pipe (2) and arranges, apart from the condenser pipe (2) of top layer below 5～10 layers, per 2～5 layers of left side, the right side increases progressively 1/2 place of 1 condenser pipe (2) arrangement until the tower height degree, 1/2 place of tower height degree, 2～5 layers of condenser pipe (2) more than at the bottom of the distance tower, it is identical that every layer of condenser pipe (2) arranged radical, every layer of 1～3 condenser pipe (2) that each side successively decreases of 2～5 layers of condenser pipe (2) arranged at the bottom of the tower, be arranged in parallel circle cylindricality space at the bottom of the tower before and after the left and right sides, 1/3 place, center in the main condensing zone tube bank (3) is arranged in the general gas passage (a) of 2～4 condenser pipes (2) apart from the closed at both ends up and down of width, and condenser pipe (2) is arranged in 1 condensation space and at least 2 polygon space that link or do not link with general gas passage (a) that link with general gas passage (a) before and after general gas passage (a) is gone up.
3, according to the tube bank of the described tower side-extract type of claim 1 condenser of power station, it is characterized in that: two bundle shapes of said air cooling zone tube bank (6) are the fan-shaped center line both sides that are positioned at.
4, according to claim 1 or 2 or 3 described tower side-extract type condenser of power station tube banks, it is characterized in that: one deck condenser pipe (2) of said main condensing zone tube bank (3) and air cooling zone tube bank (6) is staggered with neighbouring one deck condenser pipe (2).
5, according to claim 1 or 2 or 3 described tower side-extract type condenser of power station tube banks, it is characterized in that: adjacent two condenser pipes (2) are arranged in equilateral triangle in the condenser pipe (2) in one deck condenser pipe (2) of said main condensing zone tube bank (3) and air cooling zone tube bank (6) and adjacent upper strata condenser pipe (2) or the lower floor's condenser pipe (2).
6, according to the tube bank of the described tower side-extract type of claim 4 condenser of power station, it is characterized in that: adjacent two condenser pipes (2) are arranged in equilateral triangle in the condenser pipe (2) in one deck condenser pipe (2) of said main condensing zone tube bank (3) and air cooling zone tube bank (6) and adjacent upper strata condenser pipe (2) or the lower floor's condenser pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202226182U CN201302387Y (en) | 2008-11-26 | 2008-11-26 | Tower-shaped lateral-pumping type power station steam condenser tube bundle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202226182U CN201302387Y (en) | 2008-11-26 | 2008-11-26 | Tower-shaped lateral-pumping type power station steam condenser tube bundle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201302387Y true CN201302387Y (en) | 2009-09-02 |
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ID=41086013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202226182U Expired - Lifetime CN201302387Y (en) | 2008-11-26 | 2008-11-26 | Tower-shaped lateral-pumping type power station steam condenser tube bundle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201302387Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258526A (en) * | 2015-10-30 | 2016-01-20 | 济南达能动力技术有限责任公司 | Double-cooling-medium condenser |
| CN108827018A (en) * | 2018-05-03 | 2018-11-16 | 东方电气集团东方汽轮机有限公司 | One kind is suitable for laterally into vapour bank of condenser pipes structure |
-
2008
- 2008-11-26 CN CNU2008202226182U patent/CN201302387Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258526A (en) * | 2015-10-30 | 2016-01-20 | 济南达能动力技术有限责任公司 | Double-cooling-medium condenser |
| CN105258526B (en) * | 2015-10-30 | 2017-10-13 | 济南达能动力技术有限责任公司 | A kind of pair of cooling medium condenser |
| CN108827018A (en) * | 2018-05-03 | 2018-11-16 | 东方电气集团东方汽轮机有限公司 | One kind is suitable for laterally into vapour bank of condenser pipes structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090902 |
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| CX01 | Expiry of patent term |