CN100483563C - Installation construction method for condenser - Google Patents
Installation construction method for condenser Download PDFInfo
- Publication number
- CN100483563C CN100483563C CNB021067953A CN02106795A CN100483563C CN 100483563 C CN100483563 C CN 100483563C CN B021067953 A CNB021067953 A CN B021067953A CN 02106795 A CN02106795 A CN 02106795A CN 100483563 C CN100483563 C CN 100483563C
- Authority
- CN
- China
- Prior art keywords
- condenser
- torso
- installation
- upper torso
- installation site
- 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
Images
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
- Y02E30/00—Energy generation of nuclear origin
-
- 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
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Details Of Heat-Exchange And Heat-Transfer (AREA)
Abstract
The invention solves the problem that shortening of a period of an installing work irrespective of an increase in a size of a condenser, by bringing about the case that the work of the condenser cannot follow the increase in the size of the condenser due to a limit of a performance or the like of a temporary crane in the installing work of the condenser. A method for installing and constructing the condenser comprises the steps of assembling an upper half-module 1b or the like of an upper body of the condenser assembled by dividing into a plurality of sections in a factory or the like, as the condenser on a steel material 36 provided on a maintenance space 35 adjacent to a turbine foundation 34 to draw, then conveying the condenser to its installing position, and installing the condenser.
Description
Technical field
The present invention relates to a kind of construction method of installation of moving into, installing relevant condenser of condenser of and nuclear plant.
Background technology
In nuclear plant in the past, the construction method of installation of moving into, installing relevant condenser for ultra-large type, greater weight condenser, adopted lower torso has been moved into and upper torso is plate (パ ネ Le) mounting and construction method, the laggard construction method of feed-water heater etc. to cutting apart along turbine shaft.
At first, the construction method of installation of condenser in the past is described with reference to Figure 10 and Figure 11, with lower torso along steam turbine axially be divided into 4, move into condenser installation position and assemble.Figure 10 is for being divided into the skeleton view of 4 lower torso in the turbine shaft right angle orientation, Figure 11 moves into the schematically longitudinal section of the method for condenser installation site for the lower torso cutting part that will be divided into 4 is described.
As shown in figure 10, lower torso is cut apart in the turbine shaft right angle orientation, moves into so that carry out up-down mode towards the turbine block 34 interior condenser installation sites that condenser will be installed, to assemble in places such as factories.Each lower torso cutting part 7a～7d is divided under the state of condensate water hot well part 17a of the tube bank part 21a that will insert cooling tube and steam turbine steam, forms by being bonded with each other.The bonding part of each lower torso cutting part 17a～17d and steam turbine axially parallel, because assemble under the state of lower torso cutting off perpendicularly with the cooling tube length direction, the cooling tube in the interior plant lower torso can not be packed among lower torso cutting part 7a～7d.
Each the lower torso cutting part 7a～7d that assembles from the 34a of the exhaust port portion lifting of turbine block 34, is disposed at installation site on the condenser pedestal to assemble by interim crane 60.Figure 11 illustrates the state of lower torso cutting part 7a being moved into the condenser installation site.As the interim crane 60 that lifting is used, can adopt the crawler crane that is arranged on the turbine block, outside the building tower crane or large-scale crawler crane etc. are set.
After lower torso cutting part 7a moved into the condenser installation site and assembles, cooling tube was from inserting in the lower torso to assemble with space one side of safeguarding of turbine block 34 adjacency.
The condenser body is after assembling on the pedestal, and condenser upper torso plate is moved on the lower torso in proper order, to assemble.In the assembling of upper torso plate, upper torso inside is provided with the supporting construction thing of double as feed-water heater support with the strengthening action of the upper torsos such as a part of supporting construction thing.The upper torso plate is provided with the opening that inserts feed-water heater in advance, can move into feed-water heater after the upper torso assembling.After the upper torso plate assembling, sequentially move into feed-water heater, the upper torso internal structure thing of remaining feed-water heater support with supporting construction thing etc. is installed, with the feed-water heater of on upper torso, packing into.
Moving in the assembling process of this upper torso, also can implement the construction method of installation of following condenser, promptly except the plate in upper torso front, 3 the plate at the assembling side and the back side is installed, afterwards, after moving into and feed-water heater being installed, carry out the assembling of upper torso front plate.
In present large-scale nuclear plant, for example to have per 1 of weight be that 600 tons and size are per 1 high 12m, long 17m, the such condenser of wide 9.5m to condenser.Thus, also all very huge for moving into various interim crane, jack machinism that such condenser uses.At this, make in the factory of condenser, because of restrictions such as factory's size, crane capacity, interim crane are provided with conditions such as difficulty, be difficult to adapt to the situation of huge condenser.
In addition, even can make, because there is the situation towards the engineering site difficulty of transportation in the restriction of unloading aspects such as transportation limit such as transfer vessel or bay equipment etc.Have again, building construction method need the buildings arrangement condition or the engineering site of narrow geographic position alternative condition in, also have the situation of the interim crane that is difficult to be provided with necessary ability.
And its problem is the duration irrelevant with the increase of the huge installation material quantity that condenser caused, that require to shorten the condenser installation work.
The content of invention
The construction method of installation that the purpose of this invention is to provide a kind of condenser, it can be realized corresponding to the making of large condenser etc., carry, moves into, assembles and assemble, and can shorten the duration of condenser installation operation.
For achieving the above object, in the construction method of installation of condenser of the present invention, the present invention's 1 described invention is a kind of construction method of installation of condenser, wherein, condenser by the lower torso of the built-in cooling tube in inside be connected with the top of lower torso and the upper torso of built-in feed-water heater constitutes, upper torso is assembled to the condenser installation site of the turbine block that steam turbine in the steam turbine buildings is supported, it is characterized in that, the tube bank of a plurality of described cooling tubes of fasciculation is assembled in the place beyond in the condenser installation site, afterwards, the condenser installation site of described turbine block is moved in described tube bank, with the described lower torso of aggregate erection.
In the construction method of installation of the condenser of above-mentioned formation, the size when the condenser body is moved into is little and in light weight, and huge condenser can be irrelevant with making apparatus, conveying equipment.In addition, even in the condenser installation, also there is no need to upgrade the ability of heavy-duty machine.Have, cooling tube is moved into assembling as tube bank after assembling again, therefore in installation, needn't insert and assemble cooling tube, can shorten the duration of installation work.
The present invention's 2 described inventions are, in the construction method of installation of the present invention's 1 described condenser, it is characterized in that described tube bank is divided into a plurality of parts along the length direction of described cooling tube, move into the condenser installation site of turbine block after each assembling of this part.
In the construction method of installation of the condenser of above-mentioned formation, a plurality of parts assemble owing to tube bank further is divided into, thereby miniaturization and, even condenser more maximizes, manufacturing equipment, conveying equipment, erecting crane etc. also needn't maximize, high performance, separately and after the assembling move into owing to restrain along cooling tube, in installation, the insertion assembling of cooling tube needn't be carried out, the duration of installation work can be shortened.
The present invention's 3 described inventions are a kind of construction method of installation of condenser, wherein, condenser by the lower torso of the built-in cooling tube in inside be connected with the top of lower torso and the upper torso of built-in feed-water heater constitutes, upper torso is assembled to the condenser installation site of the turbine block that steam turbine in the steam turbine buildings is supported, it is characterized in that, described lower torso is divided into a plurality of parts along the length direction of cooling tube, assemble in the place of each of this part beyond in the condenser installation site, afterwards, a plurality of parts of described lower torso are moved into the condenser installation site, to carry out aggregate erection.
In the construction method of installation of the condenser of above-mentioned formation, corresponding to huge condenser, manufacturing equipment, conveying equipment, erecting crane etc. needn't maximize, high performance, owing to can move into and assemble under the state in cooling tube is packed lower torso into, in installation, cooling tube needn't be inserted, the duration of installation work can be shortened.
The present invention's 4 described inventions are a kind of construction method of installation of condenser, wherein, condenser by the lower torso of the built-in cooling tube in inside be connected with the top of lower torso and the upper torso of built-in feed-water heater constitutes, upper torso is assembled to the condenser installation site of the turbine block that steam turbine in the steam turbine buildings is supported, it is characterized in that, described upper torso is divided into a plurality of parts, assemble in the place of each of this part beyond in the condenser installation site, afterwards, a plurality of parts of described upper torso are moved into the condenser installation site, to carry out aggregate erection.
In the installation of the condenser of above-mentioned formation, upper torso is to be divided into a plurality of parts, after assembling, move into, thereby moving into easily of upper torso, and, alleviated the installation assembling operation on lower torso, shortened the duration of condenser installation work, simultaneously, the installation assembling operation that can reduce upper torso causes the possibility of lower torso damage cooling tube.
The present invention's 5 described inventions are, in the construction method of installation of the present invention's 4 described condensers, it is characterized in that, described upper torso is divided into the part of built-in feed-water heater and the part of built-in feed-water heater not, the place assembling of the part of built-in feed-water heater beyond in the condenser installation site, afterwards, move into the installation site of described turbine block.
In the construction method of installation of the condenser of above-mentioned formation, even when under the state of feed-water heater deflection upper torso, assembling, owing to can make the lifting of center of gravity non-migration ground, can be easily and move into operation safely.
The present invention's 6 described inventions are a kind of construction method of installation of condenser, wherein, condenser by the lower torso of the built-in cooling tube in inside be connected with the top of lower torso and the upper torso of built-in feed-water heater constitutes, upper torso is assembled to the condenser installation site of the turbine block that steam turbine in the steam turbine buildings is supported, it is characterized in that, described upper torso is divided into bottom that is connected with described lower torso and the top that becomes this bottom upper section, with the bottom of described upper torso after assembling beyond the condenser installation site, on described lower torso, assemble, afterwards, the parts on the top of described upper torso are directly assembled on the bottom of the described upper torso that assembles.
In the construction method of installation of the condenser of above-mentioned formation, when condenser being divided into a plurality of parts and after assembling, moving into the condenser installation site, when even the beam on the top of condenser top part and turbine block etc. is interfered when moving into, owing to the condenser portion that is divided into a plurality of parts can located to move into the condenser installation site after the assembling respectively beyond the condenser installation site, row is installed assembling again, can shorten the duration of installation work.
The present invention's 7 described inventions are a kind of construction method of installation of condenser, with the upper torso of built-in a plurality of feed-water heaters and in keep the tube bank that makes a plurality of cooling tube pencils assemblings lower torso move on the turbine block of steam turbine in the supporting steam turbine buildings, with the aggregate erection condenser, it is characterized in that, place beyond the condenser installation site in the steam turbine buildings, after described lower torso is assembled into one, described lower torso is moved into the condenser installation site.
In the construction method of installation of the condenser of above-mentioned formation, assemble platform that condenser uses etc. outward owing to there is no need to be arranged on the steam turbine buildings, perhaps there is no need to extend be provided with from the steam turbine buildings outside to the condenser installation site, with the introducing steel of introducing condenser, can shorten the duration of condenser installation work or subdue number of articles in the installation.
Brief description of drawings
Fig. 1 is the longitudinal section that the condenser of assembling according to the present invention schematically is shown,
Fig. 2 is the sectional view that the condenser of assembling according to the present invention schematically is shown,
In the condenser construction method of installation of Fig. 3 for explanation the present invention the 1st embodiment, the skeleton view that lower torso is decomposed,
In the construction method of installation of Fig. 4 for the condenser of explanation the present invention the 1st embodiment, the skeleton view that upper torso decomposes,
Fig. 5 (a) (b) in the construction method of installation for the condenser of explanation the present invention the 1st embodiment, moves into the cut-open view of method,
In the construction method of installation of Fig. 6 for the condenser of explanation the present invention the 3rd embodiment, the skeleton view that lower torso is decomposed,
Fig. 7 is in the condenser construction method of installation of the present invention the 3rd embodiment, and upper torso does not comprise the skeleton view of feed-water heater part,
Fig. 8 (a) is in the condenser construction method of installation of the present invention the 3rd embodiment (b), the skeleton view of the feed-water heater module of upper torso,
Fig. 9 (a) is the cut-open view of the condenser construction method of installation of explanation the present invention the 4th embodiment (b),
The skeleton view that Figure 10 decomposes for explanation condenser construction method of installation middle and lower part body in the past,
Figure 11 moves into the longitudinal section of process in the past condenser construction method of installation middle and lower part body cutting part of explanation schematically.
The embodiment of invention
Below, with reference to the embodiment of description of drawings condenser construction method of installation of the present invention.
At first, with reference to Fig. 1～Fig. 4, the 1st embodiment is described.Fig. 1 is the longitudinal section by the condenser after the 1st embodiment assembling, the view of seeing condenser from the horizontal direction that is parallel to turbine shaft just is shown, Fig. 2 is by the sectional view of the condenser after the present embodiment assembling, and the view of seeing condenser from the horizontal direction that is parallel to turbine shaft is shown.For easy to understand, omitted condensers such as turbine block machine in addition.In addition, Fig. 3 adopts the construction method of installation of the condenser of present embodiment for explanation, when the lower torso of condenser is moved into condenser installation site in the turbine block, the skeleton view that lower torso is decomposed, Fig. 4 adopts the construction method of installation of the condenser of present embodiment for explanation, when the upper torso of condenser is moved into the lower torso top that is assembled in the turbine block, the skeleton view that upper torso decomposes.
At first, the structure of condenser according to the present embodiment assembling is described.Condenser has the structure that shell structure is arranged illustrated in figures 1 and 2, is made of the upper torso 1 of built-in feed-water heater 4 and the lower torso 7 of built-in cooling tube.The structure of upper torso 1 is, in by upper torso side plate 2 and body that the upper torso stiffener 3 of upper torso side plate 2 reinforcement is constituted, built-in feed-water heater 4 by 5 supportings of supporting construction thing, feed-water heater 4 is connected with the interior exhaust tube 6 of the device of heating feed-water heater 4.
The structure of lower torso 7 is, in the body that constitutes by lower torso side plate 8 and 8 reinforcement are used to the lower torso side plate lower torso stiffener 9, in keep the outside and flow out exhaust steam, the inner tube bank 15 that flows into the cooling tube 12 fasciculations assembling of chilled water, the hot well 17 of storing the condensate water that the steam turbine exhaust steam by restraining 15 coolings are arranged is arranged on the below of tube bank 15.Tube bank 15 structure is, fixing the tube sheet 13 that chilled water is imported in the cooling tube 12 at the two ends of many cooling tubes 12, and the polylith support plate 14 that supporting cooling tube 12 is installed.Support plate 14 by not shown cooling tube supporting members support on tube sheet 13 or lower torso stiffener 9.In addition, hydroecium 20 is housed, and forms by tube sheet 13 and hydroecium 20 chilled water is assigned to stream in the cooling tube 12 in tube sheet 13 sides.
On the top of upper torso 1, the brace 18 and the expansion piece 19 that are connected with not shown steam turbine are housed.
Below, the construction method of installation of the condenser of present embodiment is described with reference to Fig. 3 and Fig. 4.
Afterwards, the place of upper torso 1 beyond in the condenser installation site be factory etc. for example, be separated into upper torso first module 1a and second module of lower torso 1b to assemble, at first, second module of upper torso 1b moves into and is assembled into the top of the lower torso 7 that is contained in the condenser installation site, then, first module of upper torso 1a moves into and is assembled in second module of upper torso 1b top.At this moment, upper torso first module 1a and second module of upper torso 1b are divided into upper torso first side plate 2a or second side plate of upper torso 2b up and down with upper torso side plate 2, be divided into upper torso stiffener up and down as body, assembling respectively, feed-water heater 4 is also packed into by the supporting of supporting construction thing arbitrarily.In addition, upper torso stiffener and supporting construction thing have been omitted among Fig. 4.
To be divided into a plurality of lower torso 7 or upper torso 1 when the condenser installation site is moved into, can be by in the steam turbine buildings or the outer liftings such as interim crane of steam turbine buildings.At this moment, the construction method of installation of condenser also can become the method for the top beam of turbine block being installed the setting of assembling back at condenser.
On turbine block etc. when being divided into a plurality of lower torso 7 or upper torso 1 and interfering, can not lean on lifting such as interim crane to be moved into, or can not promote when moving into because of the weight limits of interim crane lifting, also can pass through mode of traction shown in Figure 5, be divided into moving into of a plurality of lower torso 7 or upper torso 1.
Then, in the condenser construction method of installation of present embodiment, the occasion of moving into upper torso 1 and lower torso 7 by mode of traction is described in detail with reference to Fig. 5.Fig. 5 (a) and (b) in the construction method of installation of condenser for the explanation present embodiment, second module of upper torso 1b move into the view on the condenser installed position lower torso 7 of turbine block, are the cut-open views of looking from condenser side direction.
35 places, space that safeguard at condenser are provided with platen 43,45.At first, before hot well 17 is introduced, at platen 45 with become between the base wad 39 of the minimum platen of steam turbine buildings and platen reinforcement post 46 is set, 40 places outside platen 45 tops and buildings, above platen 45,, condenser is set moves into traction steel 47 by interim opening 44.In addition with the roughly the same height that is connected of traction steel 47 on turbine block 34 in, be provided with and draw steel 48.
At first, hot well 17 is sliding on the traction steel 47 and on the traction steel 48, and is incorporated into the top, condenser installation site of turbine block always.Under this state, as second module of upper torso 1b of Fig. 5 (a), become the state that is equipped with hot well 17.Then, lower torso 7, upper torso 1 or upper torso second module 1b and first module of upper torso 1a order is slided on traction steel 47, be drawn on the traction steel 48 that are arranged in the turbine block 34 always till.Hot well 17 is arranged on the upper surface of turbine block 34, with by hoisting apparatus 49 about wire rope or after rod member 50 is connected, by hoisting apparatus 49 liftings.Then, traction is after steel 48 move to the scope that does not influence hot well 17 liftings, hot well 17 on the condenser pedestal 38 lifting to install.Afterwards, traction steel 48 are arranged on the assigned position once more.
Then, the several of tube bank body 21 are installed on the hot well 17 by adopting the method same with hot well 17, and afterwards, remaining tube bank body 21 is installed equally, condenser 7 is installed to turbine block 34 interior condenser installation sites just can.
Next, second module of upper torso 1b slides on traction steel 47 and traction steel 48, moves into the top of lower torso 7.The state of this moment is shown in Fig. 5 (a).Afterwards, same during with lower torso 7,1b is connected with second module of rod member 50 and upper torso, in a single day promote second module of upper torso 1b by hoisting apparatus 49, traction is after steel 48 just move to the scope of the lifting that can not hinder second module of upper torso 1b, second module of upper torso 1b lifting to the lower torso 7 to assemble.The state of this moment is shown in Fig. 5 (b).
Then, first module of traction upper torso 1a after traction steel 47 rise to the height of stipulating apart from platen 45, is provided with traction steel 48 once more, makes it to be arranged to and draw steel 47 to rise to equally till the height of stipulating apart from platen 45.Afterwards, 1b is same with second module of upper torso, carries out introducing and the assembling operation of first module of upper torso 1a.
Adopt the construction method of installation of the condenser of present embodiment, because the tube bank body 21 of lower torso 7 separates along cooling tube 12, the border of the tube bank body 21 that separates and assemble is parallel to cooling tube 12, therefore there is no need to cut off cooling tube 12.For this reason, when moving into the condenser installation site, cooling tube 12 can be built in the tube bank body 21 and assemble.Thereby there is no need to carry out in the past condenser construction method of installation such, after lower torso 7 is installed, safeguarding that space 35 sides are inserted and the work of assembling cooling tube 12.
Have again,, therefore can shorten the duration of condenser installation operation owing in the condenser installation, subdued the insertion and the assembly working of cooling tube 12.In addition, a plurality of parts assemble because of lower torso is divided into, and hoisting apparatus just can carry out a series of installation operation on a large scale.In addition, even at the manufacturing equipment of factory, carry, equally also needn't adopt large-scale equipment.
In addition, adopt the condenser construction method of installation of present embodiment, by upper torso 1 being separated into upper torso first module 1a up and down and second module of upper torso 1b assembles, the installation of the making of upper torso 1 and lower torso 7 is gone forward side by side.In addition, compare, can reduce middle and upper part, erecting stage body construction number of items, and subdue and move into number of times with condenser construction method of installation in the past.Thus, in the installation of upper torso 1 assembling, but also reduction of erection time, that assembling is installed is consistent with lower torso 1, can shorten the duration of condenser installation operation.By reducing the upper torso construction number of items on the lower torso 7 of inserting cooling tube 12, reduced the danger that upper torso 1 parts or construction machine material fall equivalent damage cooling tube 12, help the assurance of quality.
In the condenser construction method of installation of present embodiment, lower torso 7 is divided into hot well 17 and a plurality of tube bank body 21 and is assembled, but also hot well 17 consistently can be cut apart along cooling tube 12 with cutting apart of tube bank body 21, engage with hot well in order to restrain body 21, with a plurality of parts separately after the assembling, move into the condenser installation site, so that assembling to be installed.
Below, the condenser construction method of installation of the present invention the 2nd embodiment is illustrated.In the condenser construction method of installation of present embodiment, until the condenser construction method of installation of the installation assemble sequence of second module of upper torso 1b and the 1st embodiment is identical, in this omission to its explanation.
In the condenser construction method of installation of present embodiment, for upper torso the first half, same with the construction method of installation of in the past condenser, upper torso the first half plate, upper torso the first half stiffener, the feed-water heater and the supporting construction thing that are built in upper torso the first half are directly moved into the condenser top that installation is assemblied in second module of upper torso 1b place, and in this assembling.
Adopt the condenser construction method of installation of present embodiment, as the 1st embodiment, with upper torso the first half during, even in the time can not moving into, also can assemble condenser with interference such as turbine block 34 as first module of upper torso 1a.And, up to second module of upper torso 1b, because of with the condenser construction method of installation of the 1st embodiment similarly mode assemble, therefore, adopt the condenser construction method of installation of present embodiment, also can obtain effect same with shortening installation duration of the 1st embodiment.
Below, the condenser construction method of installation of the present invention the 3rd embodiment is described with reference to Fig. 6～Fig. 8.
In the condenser construction method of installation of Fig. 6 for the explanation present embodiment, the skeleton view that lower torso 7 when moving into the condenser installation site separates, the skeleton view of Fig. 7 a plurality of parts and the upper torso body portion 27 when after assembling, moving into the condenser installation site for upper torso is divided into, the view of Fig. 8 a plurality of parts and the feed-water heater module 28 when after assembling, moving into the condenser installation site for upper torso is divided into, Fig. 8 (a) is the front view of feed-water heater module 28, and Fig. 8 (b) is the side view of feed-water heater module 28.
By the condenser construction method of installation of present embodiment, the condenser after the assembling is installed owing to have Fig. 1 and the same structure of Fig. 2 with the 1st embodiment, at this, omit its explanation.
In the condenser construction method of installation of present embodiment, at first, outside the condenser installation site place for example factory etc. locate, the lower torso body portion 10 after lower torso side plate 8 shown in Figure 6 and stiffener 9 are assembled moves into the condenser installation site of turbine block and assembles.At this moment, do not comprise tube bank 15 ground modes and assemble lower torso body portion 10.Then, locate in factory etc., the inside of the lower torso body portion 10 of condenser installation site is moved in the tube bank 15 of assembling cooling tube etc., in order to restrain 15 move into, the lower torso plate 25 that is not assembled in the lower torso body portion 10 is also moved into, with the lower torso of assembling condenser.
Next, the upper torso body portion 27 that will assemble upper torso side plate 2 shown in Figure 7, upper torso stiffener in places such as factories moves into and is assembled into the lower torso top of installing after assembling.At this moment, upper torso body portion 27 is not there to be the form assembling of built-in feed-water heater.Afterwards, with the assembling shown in Fig. 8 (a) and Fig. 8 (b) in the feed-water heater 4, supporting construction thing 5, device the feed-water heater module 28 of exhaust tube 6 move in the upper torso body portion 27 and assemble.
Adopt the condenser construction method of installation of present embodiment, because of in lower torso body portion 10, not comprising tube bank 15, be convenient to lightweight, and in upper torso body portion 27, do not comprise feed-water heater, make lightweight equally, so be easy to move into towards the condenser installation site.In addition, as shown in Figure 2, feed-water heater 4 is built in occasion in the upper torso 1 near a side, and feed-water heater 4 is built in the upper torso 1, and when the condenser installation site was moved into by lifting in the assembling back, the centre-of gravity shift of upper torso 1 was difficult to balance.But, as the condenser construction method of installation of present embodiment, move into after being separated, assembling because of the upper torso body portion 27 that do not comprise feed-water heater 4 and feed-water heater module 10, be convenient to balance, be easy to promote.
In addition, lower torso side plate 8 grades are moved into as tube bank 15 assemblings as lower torso body portion 27, cooling tube 12, and upper torso side plate 2 as upper torso body portion 27, feed-water heater 4 as the feed-water heater module 10 assemblings move into, therefore in the condenser installation site, assembling pipe distribution operation etc. is alleviated, and can shorten the duration of installation operation.
Because of condenser maximizes, under restriction situations such as the weight of tube bank 15 or size are subjected to making, carry, move into,, can be convenient to make, carry, move into by being separated into a plurality of parts along cooling tube 12 to assemble.
In the condenser construction method of installation of present embodiment, lower torso body portion 10 and upper torso body portion 27 move into the condenser installation site after locating to assemble beyond condenser installation sites such as factory, so lower torso body portion 10 or upper torso body portion 27-side or its two side all can assemble at the condenser installed position.For example, consider and move into the condenser installation site after lower torso side plate 8 and lower torso stiffener 9 be separated into a plurality of plates, after the condenser installed position is assembled into lower torso body portion 10, move into and assemble the construction method of installation of tube bank 15.Even so, because of restrain 15 and feed-water heater module 10 move into assembling mode, can shorten the duration of condenser installation operation.
Feed-water heater module 10 for present embodiment, the structure of exhaust tube 6 in the device is housed during for assembling in advance, but also can adopt in the device exhaust tube 6 do not pack into feed-water heater module 10, be assembled into the feed-water heater module in the lower torso body portion 10 after, the structure of exhaust tube 6 in the loader, because of just having increased the workload of condenser installation slightly, the effect of harmless present embodiment.
In the condenser construction method of installation of present embodiment, upper torso 1 separately can be replaced when the condenser installation site is moved into the 1st embodiment or the 2nd embodiment upper torso 1 separately, also the lower torso 7 of present embodiment separately can be replaced when the condenser installation site is moved into the 1st embodiment lower torso 1 separately.
The lower torso 7 of present embodiment separately also can be in existing condenser cooling tube deterioration etc. restrain occasion such as replacement and implement, reduction of erection time effectively.
The condenser construction method of installation of the present invention the 4th embodiment is described below with reference to Fig. 9.
Fig. 9 is for the view of the condenser construction method of installation of explanation present embodiment, for go out the cut-open view of installation state from condenser side direction indication.
Nuclear energy power generation the steam turbine building layout in, usually, with the steam turbine buildings of turbine block 34 adjacency in be provided with replace condenser cooling tube 12 safeguard space 35.In the condenser construction method of installation of present embodiment, this safeguards that space 35 is as condenser assembling zone use.Below, same to condenser construction method of installation as the 1st embodiment, upper torso 1 and lower torso 7 are separated after the assembling of places such as factory, move into the occasion of assembling in the steam turbine buildings, still adopt Fig. 1 to be illustrated.
At first, the steel 36 of the assembly platform of condenser and double as traction stand and steel leg 37 spread over ground, condenser installation site mode and are arranged on the base wad 39, wherein are provided with in the condenser installation site by the outer wall 42 of steam turbine buildings and safeguard space 35 and condenser pedestal 38 in inner and turbine block 34 adjacency.Then, hot well shown in Figure 1 17 is moved on the steel 36 of safeguarding space 35.Move into towards what safeguard space 35 that the interim crane at 40 places carries out by being provided with without.Fig. 9 (a) illustrates the state that second module of upper torso 1b moves into, and also adopts to use the same method for hot well 17 and carries out.Next, tube bank body 21 sequentially moved on the steel of safeguarding in the space 35 36 assemble, to become lower torso 7.
Then, move into second module of upper torso 1b on the lower torso 7 and assemble.Second module of upper torso 1b moves into state on the lower torso 7 shown in Fig. 9 (a).Afterwards, first module of upper torso 1a being moved into first module of upper torso 1b goes up to assemble.
Zu Zhuan condenser by conveying or ejecting devices such as roller, mobile lifting jack, draws in turbine block 34 shown in Fig. 9 (b) like this.Afterwards, under other lifting gear effects outside jack device, lifting on the condenser pedestal 38 is to assemble.
The assembling of hydroecium 20 shown in Figure 2 also can be carried out after condenser is installed, but also can also can be slided on steel 36 safeguarding that 35 places, space carry out as in the past, carries out in the way that moves to the condenser installation site.Safeguard in the space 35 or way that condenser slides on steel 36 in carry out, because of working space than broad, under the large condenser situation, the assembling operation of hydroecium 20 is easy, good reliability.
Adopt the construction method of installation of present embodiment condenser, the assembling of the final installed position in turbine block 34, can outside near the room, carry out the assembling of condenser in 40 places, thereby the jib-length that interim crane without is set is shortened, operating radius can be reduced, the assembling of huge condenser parts can be reduced.
In addition, same with the 1st embodiment, in places such as factories, condenser is divided into a plurality of parts and after assembling, moves into, can obtain the effect same with the 1st embodiment.In addition, compare, can reduce the traction steel material of introducing towards the condenser installation site, in addition, there is no need the platform etc. that the steam turbine buildings outside setting is used to assemble condenser, can subdue the material that is used for platform with the occasion of outside the steam turbine buildings, assembling.And,, can shorten the duration of condenser installation operation because of having subdued the operation that is provided with of these parts.
Present embodiment is not limited to the condenser separating type among the present invention the 1st embodiment, can be the condenser separating type of the present invention the 2nd embodiment, the condenser separating type of the present invention the 3rd embodiment.In addition, big at condenser, condenser is divided into a plurality of parts moves into difficult occasion to assemble, also each parts of condenser can be moved into and be arranged on the steel of safeguarding in the space 35 36 to assemble.Even in this occasion, assemble the duration of the condenser installation operation of moving into can shorten except condenser being divided into a plurality of parts in places such as factories, also can obtain the effect of present embodiment.
Effect of the present invention:
Adopt the present invention, can realize corresponding to large condenser etc. making, carry, move into, Assemble and assembling, and can shorten the duration of condenser installation operation.
Claims (7)
1, a kind of construction method of installation of condenser, wherein, condenser by the lower torso of the built-in cooling tube in inside be connected with the top of lower torso and the upper torso of built-in feed-water heater constitutes, upper torso is assembled to the condenser installation site of the turbine block that steam turbine in the steam turbine buildings is supported, it is characterized in that, place beyond in the condenser installation site, the tube bank of a plurality of described cooling tubes of fasciculation is assembled, afterwards, the condenser installation site of described turbine block is moved in described tube bank, with the described lower torso of aggregate erection.
According to the construction method of installation of the described condenser of claim 1, it is characterized in that 2, described tube bank is divided into a plurality of parts along the length direction of described cooling tube, move into the condenser installation site of turbine block after each assembling of this part.
3, a kind of construction method of installation of condenser, wherein, condenser by the lower torso of the built-in cooling tube in inside be connected with the top of lower torso and the upper torso of built-in feed-water heater constitutes, upper torso is assembled to the condenser installation site of the turbine block that steam turbine in the steam turbine buildings is supported, it is characterized in that, described lower torso is divided into a plurality of parts along the length direction of cooling tube, assemble in the place of each of this part beyond in the condenser installation site, afterwards, a plurality of parts of described lower torso are moved into the condenser installation site, to carry out aggregate erection.
4, a kind of construction method of installation of condenser, wherein, condenser by the lower torso of the built-in cooling tube in inside be connected with the top of lower torso and the upper torso of built-in feed-water heater constitutes, upper torso is assembled to the condenser installation site of the turbine block that steam turbine in the steam turbine buildings is supported, it is characterized in that, described upper torso is divided into a plurality of parts, assemble in the place of each of this part beyond in the condenser installation site, afterwards, a plurality of parts of described upper torso are moved into the condenser installation site, to carry out aggregate erection.
5, according to the construction method of installation of the described condenser of claim 4, it is characterized in that, described upper torso is divided into the part of built-in feed-water heater and the part of built-in feed-water heater not, the place assembling of the part of built-in feed-water heater beyond in the condenser installation site, afterwards, move into the installation site of described turbine block.
6, a kind of construction method of installation of condenser, wherein, condenser by the lower torso of the built-in cooling tube in inside be connected with the top of lower torso and the upper torso of built-in feed-water heater constitutes, upper torso is assembled to the condenser installation site of the turbine block that steam turbine in the steam turbine buildings is supported, it is characterized in that, described upper torso is divided into bottom that is connected with described lower torso and the top that becomes this bottom upper section, with the bottom of described upper torso after assembling beyond the condenser installation site, on described lower torso, assemble, afterwards, the parts on the top of described upper torso are directly assembled on the bottom of the described upper torso that assembles.
7, a kind of construction method of installation of condenser, with the upper torso of built-in a plurality of feed-water heaters and in keep the lower torso of the tube bank that makes a plurality of cooling tube pencils assemblings, move on the turbine block of steam turbine in the supporting steam turbine buildings, with the aggregate erection condenser, it is characterized in that, place beyond the condenser installation site in the steam turbine buildings, described lower torso is assembled into one after, described lower torso is moved into the condenser installation site.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP045954/2001 | 2001-02-22 | ||
| JP2001045954A JP2002243386A (en) | 2001-02-22 | 2001-02-22 | Method for installing and constructing condenser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1374496A CN1374496A (en) | 2002-10-16 |
| CN100483563C true CN100483563C (en) | 2009-04-29 |
Family
ID=18907659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021067953A Expired - Fee Related CN100483563C (en) | 2001-02-22 | 2002-02-22 | Installation construction method for condenser |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2002243386A (en) |
| CN (1) | CN100483563C (en) |
| TW (1) | TW495601B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101645314B (en) * | 2009-09-11 | 2011-08-17 | 秦山核电有限公司 | Method for magnifying underwater accurate installation reference of large-scale member |
| CN102659082B (en) * | 2012-04-19 | 2014-01-08 | 中化二建集团第三安装工程有限公司 | Mounting construction method for wet-method acid-making condenser |
| US9551532B2 (en) * | 2012-05-23 | 2017-01-24 | Spx Dry Cooling Usa Llc | Modular air cooled condenser apparatus and method |
| US9708936B2 (en) | 2012-10-11 | 2017-07-18 | Mitsubishi Hitachi Power Systems, Ltd. | Condenser |
| US20150345166A1 (en) * | 2013-05-28 | 2015-12-03 | Spx Cooling Technologies, Inc. | Modular Air Cooled Condenser Apparatus and Method |
-
2001
- 2001-02-22 JP JP2001045954A patent/JP2002243386A/en active Pending
- 2001-10-22 TW TW090125999A patent/TW495601B/en not_active IP Right Cessation
-
2002
- 2002-02-22 CN CNB021067953A patent/CN100483563C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| TW495601B (en) | 2002-07-21 |
| JP2002243386A (en) | 2002-08-28 |
| CN1374496A (en) | 2002-10-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8191257B2 (en) | Method for assembling a steam generator | |
| CN101627258B (en) | Method of and apparatus for supporting walls of a power boiler | |
| AU772251B2 (en) | Steam generator and process for assembling it | |
| CN100483563C (en) | Installation construction method for condenser | |
| US7296349B2 (en) | Method to assemble a steam generator | |
| EP3155319B1 (en) | Modular heat recovery steam generator construction | |
| ZA200601683B (en) | Fast assembly method for large steam generators | |
| JP2012523540A (en) | Thermal power plant | |
| US20140215824A1 (en) | Systems and methods for solar boiler construction | |
| CN110570957A (en) | Multistage reciprocating passive cooling system of underground nuclear power station | |
| CN102383869B (en) | Novel turbo generator unit structure system | |
| CN101155934B (en) | Method of carrying bottom mantel for blast furnace | |
| CN102359398B (en) | Suspension type high-position steam turbine generator platform system and steam turbine generating structure system | |
| CN211659716U (en) | Steel structure supporting device of waste incineration flue gas purification system | |
| CN210956183U (en) | Multistage reciprocating passive cooling system of underground nuclear power station | |
| CN211004170U (en) | A frame-type row of hanging for hoisting of overlength pipe gallery land module | |
| EP2904315A2 (en) | Boiler structure and method of assembly | |
| JPH1113416A (en) | Package type power plant | |
| CN210685518U (en) | Main plant of power plant | |
| CN214747474U (en) | Frame supporting type water collecting tank of high-level water collecting cooling tower of power plant | |
| CN202300540U (en) | Novel turbo generator unit structure system | |
| CN1163912C (en) | Method for building structural body at bottom of storing container of atomic reactor and module structural body | |
| CN209714709U (en) | A kind of buttress type Benitration reactor steel structure support | |
| CN211665013U (en) | Gasifier guider | |
| CN214195479U (en) | Shaft construction platform for improving inner support of steel pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090429 Termination date: 20110222 |