CN208635590U - A kind of matched bubbling oxygen removing type condenser of steam turbine - Google Patents
A kind of matched bubbling oxygen removing type condenser of steam turbine Download PDFInfo
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- CN208635590U CN208635590U CN201821079667.5U CN201821079667U CN208635590U CN 208635590 U CN208635590 U CN 208635590U CN 201821079667 U CN201821079667 U CN 201821079667U CN 208635590 U CN208635590 U CN 208635590U
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Abstract
The utility model relates to a kind of matched bubbling oxygen removing type condensers of steam turbine, comprising: oval condenser bodies, the first oval water chamber device that the oval condenser bodies both ends are arranged in and the second oval water chamber device, the low pressure (LP) cylinder steam discharge inlet device being arranged at the top of the oval condenser bodies, the support device and condensation discharging device that the oval condenser bodies bottom is arranged in；The steam that steam turbine is discharged can be passed through the inside of the oval condenser bodies to condense by the low pressure (LP) cylinder steam discharge inlet device；Condensed water in the ellipse condenser bodies can be by after the condensation discharging device deoxygenation and being discharged into the external world.Condenser provided by the utility model can not only adapt to various working environments and meet requirement to system oxygen content, but also can satisfy when basic platform is not fixed such as run-off the straight or requirement when waving to condenser intensity, rigidity and stability.
Description
Technical field
The utility model belongs to steam turbine condensation technology field more particularly to a kind of matched bubbling oxygen removing type of steam turbine is cold
Condenser.
Background technique
There are many country's steam turbine at present, and matched condensing plant is also varied.Part small-power turbine system is simple,
Space is limited, use condition is special, and application range is small, and does not have dedicated deaeration plant in system.
So this exploitation design condenser is not only able to satisfy and adapts to various working environments and functional requirement, is able to satisfy system
Oxygen content requirement, moreover it is possible to when meeting such as run-off the straight when basic platform is not fixed, waving condenser intensity, rigidity and stability
It is required that.
Utility model content
(1) technical problems to be solved
For existing technical problem, the utility model provides a kind of steam turbine matched bubbling oxygen removing type condensation
Device can not only adapt to various working environments and meet the requirement to system oxygen content, but also can satisfy basic platform not
When fixed such as run-off the straight or requirement when waving to condenser intensity, rigidity and stability.
(2) technical solution
In order to achieve the above object, the main technical schemes of the utility model use include:
A kind of matched bubbling oxygen removing type condenser of steam turbine, including oval condenser bodies, be arranged in the ellipse
The oval water chamber device of the first of shape condenser bodies both ends and the second oval water chamber device, setting are in the ellipse condensation
The low pressure (LP) cylinder steam discharge inlet device of device body top, the support device and condensation that the oval condenser bodies bottom is set
Discharging device；
The steam that steam turbine is discharged can be passed through the oval condenser bodies by the low pressure (LP) cylinder steam discharge inlet device
Inside carry out heat exchange to condense；
Condensed water in the ellipse condenser bodies by the condensation discharging device deoxygenation and can be discharged into the external world.
Preferably, the oval condenser bodies include: condenser shell, are arranged in inside the condenser shell
Cooling tube bundle, the first tube plate device and the second tube plate device that the condenser shell both ends are set；
First tube plate device is identical with the second tube plate device structure.
Preferably, the condenser shell is an oval-shaped shell；
The top of the condenser shell is equipped with air intake, the low pressure (LP) cylinder steam discharge inlet device be fixed at it is described into
At steam ports；
Connecting flange is additionally provided on the low pressure (LP) cylinder steam discharge inlet device；
The both ends of the condenser shell are equipped with water chamber connecting flange；
Described first oval water chamber device is solid with bolt by the water chamber connecting flange and first tube plate device
The both ends of the condenser shell are set calmly；
Described second oval water chamber device is solid with bolt by the water chamber connecting flange and second tube plate device
The both ends of the condenser shell are set calmly.
Preferably, the cooling tube bundle includes the first cooling tube bundle group and the second cooling tube bundle group；
The both ends of the first cooling tube bundle group are respectively fixedly disposed at the condenser by first tube plate device
The both ends of shell, and be connected to the first oval water chamber device at the condenser shell both ends；
The both ends of the second cooling tube bundle group are respectively fixedly disposed at the condenser by second tube plate device
The both ends of shell, and be connected to the second oval water chamber device at the condenser shell both ends.
Preferably, first tube plate device includes the first tube sheet group and the second tube sheet group；
The first tube sheet group is identical with the second pipe plate group structure, and is symmetricly set on the two of the condenser shell
End；
The first tube sheet group and the second tube sheet group are double tubesheet structure；
Described first oval water chamber device includes the first water chamber and the second water chamber；
First water chamber and second water chamber are symmetricly set on the both ends of the condenser shell.
Preferably, second tube plate device includes third tube sheet group and the 4th tube sheet group；
Described second oval water chamber device includes third water chamber and the 4th water chamber；
First tube plate device and second tube plate device are mutually right centered on the long axis of the condenser shell
Claim the both ends that the condenser shell is set.
Preferably, the support device includes that four groups of support butterfly springs and two prevent shaking sliding support；
Four groups of support butterfly springs are set to the bottom of the oval condenser bodies；
The ellipse condenser bodies prevent that shaking sliding support is placed on by four groups of support butterfly springs and two
On basic platform.
Preferably, the condensation discharging device includes shell and the condenser that the intracorporal band bubbling deoxygenation of the shell is arranged in
Hot well；
The shell is equipped with deoxygenation steam inlet and condensation water out；
The deoxygenation steam inlet is connected to the condenser hot well that the band is bubbled deoxygenation；
The condensation water out is connected to the condenser hot well that the band is bubbled deoxygenation.
It preferably, further include high pressure turbine by reducing-and-cooling plant；
The side of the low pressure (LP) cylinder steam discharge inlet device is arranged in the high pressure turbine by reducing-and-cooling plant, and can pass through
The low pressure (LP) cylinder steam discharge inlet device is connected to the inside of the oval condenser bodies.
Preferably, first water chamber and second water chamber for being symmetricly set on the condenser shell both ends are set respectively
There are inlet and outlet；
First water chamber and second water chamber for being symmetricly set on the condenser shell both ends are equipped with water chamber people
Hole；
The third water chamber and the 4th water chamber for being symmetricly set on the condenser shell both ends are respectively equipped with into water
Mouth and water outlet；
The third water chamber and the 4th water chamber for being symmetricly set on the condenser shell both ends are equipped with water chamber people
Hole.
(3) beneficial effect
The beneficial effects of the utility model are: a kind of matched bubbling oxygen removing type condensation of steam turbine provided by the utility model
Device can not only adapt to various working environments and meet the requirement to system oxygen content, but also can satisfy basic platform not
When fixed such as run-off the straight or requirement when waving to condenser intensity, rigidity and stability.
Its main function is to make steam turbine that steam condensation be discharged with recirculated cooling water, establishes and ties up in turbine discharge mouth
Required vacuum is held, and recycles pure condensed water for boiler feedwater.Deoxygenation to be carried out to condensed water also simultaneously to reach
Small oxygen content, recycling Unit Commitment and the system in normal operation are hydrophobic, receive system bypass steam.
Detailed description of the invention
Fig. 1 is a kind of matched structural schematic diagram for being bubbled oxygen removing type condenser of steam turbine of the utility model；
Fig. 2 is a kind of matched top view for being bubbled oxygen removing type condenser of steam turbine of the utility model；
Fig. 3 is a kind of matched left view for being bubbled oxygen removing type condenser of steam turbine of the utility model；
Fig. 4 is a kind of matched connection structure being bubbled in oxygen removing type condenser at tube sheet group of steam turbine of the utility model
Figure；
Fig. 5 is a kind of matched stringing figure for being bubbled cooling tube in oxygen removing type condenser of steam turbine of the utility model；
Fig. 6 is a kind of matched structural representation for being bubbled deaerating hotwell in oxygen removing type condenser of steam turbine of the utility model
Figure.
[description of symbols]
1: oval condenser bodies；2: low pressure (LP) cylinder steam discharge inlet device；201: connecting flange；
3: condensation discharging device；301: condensation water out；302: deoxygenation steam inlet；
4: the first tube plate devices；401: internal tube plate；402: outer tube plate；
5: the first oval water chamber devices；501: water inlet；502: water outlet；503: water chamber manhole；
6: high pressure turbine by reducing-and-cooling plant；7: support device；8: connecting flange；9: fixing bolt；10: cooling tube bundle；
11: air outlet port.
Specific embodiment
It is with reference to the accompanying drawing, right by specific embodiment in order to understand in order to preferably explain the utility model
The utility model is described in detail.
A kind of matched bubbling oxygen removing type condenser of steam turbine, including ellipse are disclosed in the present embodiment as shown in Figure 1:
Condenser bodies 1, the first oval water chamber device 5 and the second ellipse that ellipse 1 both ends of shape condenser bodies of the circle are set
Water chamber device, is arranged in the ellipse low pressure (LP) cylinder steam discharge inlet device 2 that 1 top of oval condenser bodies is arranged in
The support device 7 and condensation discharging device 3 of shape condenser bodies bottom.
The steam that steam turbine is discharged can be passed through the oval condenser bodies by the low pressure (LP) cylinder steam discharge inlet device 2
1 inside carries out heat exchange to condense.
Condensed water in the ellipse condenser bodies 1 can pass through 3 deoxygenation of condensation discharging device and be discharged into outer
Boundary.
Oval condenser bodies
As shown in Figures 2 and 3: oval condenser bodies 1 described in the present embodiment include: condenser shell, arrangement
Cooling tube bundle 10 inside the condenser shell, 4 and of the first tube plate device that the condenser shell both ends are set
Second tube plate device.
First tube plate device 4 is identical with the second tube plate device structure.
In addition, should be described in detail: the condenser shell is an oval-shaped shell.
Here the top of the condenser shell be equipped with air intake, the low pressure (LP) cylinder steam discharge inlet device 2 is fixedly installed
At the air intake；
Connecting flange 8 is additionally provided on the low pressure (LP) cylinder steam discharge inlet device 2；
Wherein, the both ends of the condenser shell are equipped with water chamber connecting flange.
Described first oval water chamber device 5 uses bolt by the water chamber connecting flange and first tube plate device 4
It is fixed at the both ends of the condenser shell；Described second oval water chamber device passes through the water chamber connecting flange and institute
State the both ends that the second tube plate device is fixed at the condenser shell with bolt.
It is noted that water chamber device described in water chamber connecting flange described in the present embodiment and the present embodiment
Match, and plays the role of being connected and fixed.In addition, it is necessary to explanation: water chamber connecting flange described here passes through fixing bolt 9
It is fixed on the condenser shell.
Here it should stress: the matched essence for being bubbled oxygen removing type condenser of steam turbine described in the present embodiment
It goes with each other all the time for mono-hull (condenser shell), single process, cooling water, with the surface condenser for being bubbled deaerating hotwell.
Therefore tube plate device described in the present embodiment, cooling tube bundle, oval water chamber device are double configuration, significantly
Ground improves the working efficiency of condenser.
Therefore, it should be noted that cooling tube bundle 10 described in the present embodiment includes that the first cooling tube bundle group and second are cold
But tube bank group.
First cooling tube bundle group described here and the second cooling tube bundle group are arranged in the condenser shell,
And for cooling down vapor.
The both ends of the first cooling tube bundle group are respectively fixedly disposed at the condenser by first tube plate device 4
The both ends of shell, and be connected to the first oval water chamber device 5 at the condenser shell both ends.
First water chamber that circulates is used to inside the tube bank of first cooling tube bundle and the second cooling tube bundle described here
Interior recirculated water.
The both ends of the second cooling tube bundle group are respectively fixedly disposed at the condenser by second tube plate device
The both ends of shell, and be connected to the second oval water chamber device at the condenser shell both ends.
It is noted that the function of third cooling tube bundle and the 4th cooling tube bundle described here is identical with effect.
It correspondingly, is originally that the first tube plate device 4 as described in the examples includes the first tube sheet group and the second tube sheet group.
Secondly, the first tube sheet group described here is identical with the second pipe plate group structure, and it is symmetricly set on described cold
The both ends of condenser shell.
In detail, as shown in Figure 4: the first tube sheet group and the second tube sheet group are double tubesheet structure.Wherein, institute
Stating the first tube sheet group includes internal tube plate 401 and outer tube plate 402；The first oval water chamber device 5 includes the first water chamber and the
Two water chambers.
First water chamber described in the present embodiment and second water chamber are symmetricly set on the both ends of the condenser shell.
Correspondingly, second tube plate device includes third tube sheet group and the 4th tube sheet group.
Described second oval water chamber device includes third water chamber and the 4th water chamber.
As shown in the figure: first tube plate device 4 and second tube plate device are symmetrically set in the condenser
The both ends of shell.
Support device
Support device 7 described in the present embodiment includes that four groups of support butterfly springs and two prevent shaking sliding support.It is described
Four groups of support butterfly springs are set to the bottom of the oval condenser bodies 1.
The ellipse condenser bodies 1 prevent that shaking sliding support is placed on by four groups of support butterfly springs and two
On basic platform.
Condense discharging device
As shown in Figure 6: condensation discharging device 3 described in the present embodiment includes shell and is arranged in the intracorporal tape drum of the shell
Steep the condenser hot well of deoxygenation.
The shell is equipped with deoxygenation steam inlet 302 and condensation water out 301.
The deoxygenation steam inlet 302 is connected to the condenser hot well that the band is bubbled deoxygenation；The condensation water out 301
The condenser hot well for being bubbled deoxygenation with the band is connected to.
High pressure turbine by reducing-and-cooling plant
In order to increase the function and purposes of condenser described in this implementation, condenser described in the present embodiment further includes height
Pressure bypass reducing-and-cooling plant 6.
Specifically, the side of the low pressure (LP) cylinder steam discharge inlet device 2 is arranged in the high pressure turbine by reducing-and-cooling plant 6,
And it can be connected to by the low pressure (LP) cylinder steam discharge inlet device 2 with the inside of the oval condenser bodies 1.
Here connection is to refer to that vapor is enabled to be passed through the condenser by the high pressure turbine by reducing-and-cooling plant 6
The inside of shell, for condensing.
It should finally illustrate: be symmetricly set on first water chamber and second water chamber at the condenser shell both ends
It is respectively equipped with water inlet 501 and water outlet 502.
First water chamber and second water chamber for being symmetricly set on the condenser shell both ends are equipped with water chamber people
Hole 503.
The third water chamber and the 4th water chamber for being symmetricly set on the condenser shell both ends are respectively equipped with into water
Mouth 501 and water outlet 502.
The third water chamber and the 4th water chamber for being symmetricly set on the condenser shell both ends are equipped with water chamber people
Hole 503.
It is noted that water inlet 501 and water outlet 502 here is for being passed through and flowing out recirculated water.
In addition, also it is noted that condenser is one of most important equipment in steam turbine ancillary equipment, its main work
With being to make steam turbine that steam condensation be discharged with recirculated cooling water, required vacuum is established and maintains in turbine discharge mouth, and
Pure condensed water is recycled for boiler feedwater.Deoxygenation to be carried out to condensed water also simultaneously to reach small oxygen content, recycling machine
System in group start and stop and normal operation is hydrophobic, receives the steam of system bypass.
Condenser in the present embodiment is essentially mono-hull, single process, cooling water goes with each other all the time, band is bubbled deaerating hotwell
Surface condenser.
It is noted that condenser here is used with steam turbine forward or lateral arrangement form, condenser shape are ellipse
Circular configuration, using double tubesheet, ellipsoidal head water chamber (next water chamber is referred to water chamber generation), bottom support uses butterfly
Spring supporting simultaneously in the inlet and outlet direction of cooling tube bundle, prevent shaking sliding support by setting, is equipped in bottom centre position with deoxygenation function
Bubbling oxygen removing type hot well.
Here condenser is by throat, top, lower part, front water chamber, rear water chamber, is bubbled oxygen removing type hot well, butterfly spring
Support, the anti-all welded construction for shaking main portion's set composition such as sliding support and condenser attachment.
Condenser inlet is steel construction, and surrounding is welded by steel plate, and top is connect using flange with low pressure (LP) cylinder, and inside uses one
The steel pipe and I-steel of fixed number amount form truss support, therefore the rigidity of entire throat is preferably.Wherein system bypass pressure and temperature reducing
Device, recycling water, moisturizing etc. are arranged in throat, are discharged into condenser after being atomized by sparge pipe.
Shell (shell below refers to condenser shell) is the ellipsoidal structure welded by steel plate, by symmetrical two
Part forms.Shell is divided into three sections by front and back tube sheet, and centre is vapour side section, and both ends are forward and backward water chamber.
Vapour described here, which is surveyed, to be referred in shell except the space accounted for described in cooling tube bundle 10.
It is as shown in Figure 5: to arrange tube bank (tube bank is radial inflow rounded projections arranged) in the vapour side of shell, be arranged symmetrically.
Air cooling zone is provided at every group of tube bank center.
The pipe of main condensing zone uses the cooling tube of Φ 16 × 1.2, the pipe of air cooling zone and top periphery due to be easy by
To corroding and washing away, so outer tube plate uses composite plate using the cooling tube of Φ 16 × 1.5.In addition, described in the present embodiment
Condenser also sets up air extraction hole 11.
The both ends of cooling tube are fixed on outer tube plate 402 by the way of expanded joint+welding, and internal tube plate 401 uses ordinary steel
Plate, internal tube plate 401 also serves as shell flange and shell plates carry out being welded to form entirety.
Internal tube plate flange, outer tube plate and water chamber flange are bolted.Arranged in condenser vapour side lower part bearing every
Plate to support tube bank, while avoiding pipe exciting due to caused by steam flow and resonating.
Partition pore center from nearly tube sheet two to condenser center lifting step by step certain size, to compensate cooling tube and shell
It thermal expansion between body and is flowed down conducive to the condensing water droplet on cooling tube to both sides.
In addition, Guan Zhongyu water can be drained when shutting down.Supported diaphragm is mutually welded by support tube with shell plates and bottom plate.
It is also provided with some steam baffles in shell, prevents steam flow imperfect flow.Sampling is set between interior outer tube plate
Adapter tube and draining, gland steam exhauster, to detect the leakproofness between cooling tube and outer tube plate in running.
In order to solve the problems, such as domestic steam turbine complementary condenser generalization at present, and meet modern turbine system to oxygen-containing
The requirement of amount, the utility model provides one kind suitable for various water quality and with oxygen removing type condenser is bubbled, in addition to meeting steamer
Unit keeps enough vacuum under the operating conditions such as starting, normal operation, underload, bypass, moisturizing, in Turbine Cold Junction, moreover it is possible to
Meet condensation water out oxygen content in condenser and is respectively less than 7ppb.
This requires condensers not only to consider heat exchange property requirement, while being also contemplated that integrally-built strength and stiffness
It is required that for Special use situation, such as aboard ship in use, working environment is complicated and changeable, the impact of stormy waves, hull and platform
Waving has vital influence to the safe and reliable operation of Steam Turbine.
There is leakage pollution condensed water between cooling tube and tube sheet in order to prevent, is provided between the vapour side and pipe side of condenser
Double tubesheet structure, outer tube plate use composite plate, and the material of composite layer is identical as cooling tube material, the side that cooling tube passes through swollen+weldering
Formula is connect with outer tube plate, and internal tube plate is effectively prevented previous single tube plate structure in this way and such as let out using the type of attachment of expanded joint
The problem of water quality, is just polluted in leakage.
This double tubesheet structure only occurs between two tube sheets having leakage, will not generate pollution steam condensate
Problem.
Condenser is under particular job environment and deforms in order to prevent, and condenser shell and water chamber are all made of ellipse
Structure, ellipsoidal structure have bearing capacity compared with high, internal liquidity is good, resistance is small, internal no flow dead zone, occupied space
It is small, dismounting it is easy to maintenance the advantages that.
In order to make the oxygen content of condensator outlet condensed water reach 7ppb, setting is bubbled deaerating hotwell in the lower part of the housing,
Primary structure is made of vaporium, bubbling deoxygenation section, water spraying tray deoxygenation section and water chamber.Deoxygenation section is bubbled all by stainless steel material
Composition, there is good corrosion resistance.It is bubbled oxygen removing type condenser basic principle are as follows: high more than condenser pressure using pressure,
The temperature steam high more than condensed water saturation temperature is sprayed by conduit aperture in the condensed water of hot well, using generated strong
Strong bubbling effect, dramatically increases the contact area of steam and condensed water, so that condensed water is adequately heated, it is non-condensing
Steam continue through that orifice plate is upward, be bubbled above plate with the spray condensed water for entering hot well carry out it is secondary mix, to reach
To the effect of deep deoxygenization.
1) arrangement restrained is the key that main condenser design and core.We use round tube plate radial inflow tube bank arrangement,
The center that tube sheet is arranged in air zone is taken out, and in local setting steam baffle.The principle of stringing is to try to keep distribution of steam uniform, vapour
Hinder small, heat transfer efficiency height, no air accumulation.For the reasonability of stringing, the flow field analysis that we use two-dimensional analog to calculate, than
More actually reflect the steam mobility status and resistance situation in main condenser, the aggregation situation of incondensable gas is carried out true
Real simulation carries out partial structurtes adjustment for unreasonable place.
2) special in view of condenser use condition, ellipsoidal structure is used when design.Due to ellipsoidal structure bearing capacity
Height, moulding process is mature, and application is wider.
3) condenser leak in order to prevent, using double tubesheet structure, and outer tube plate uses composite plate, cooling tube and tube sheet
Between using swollen+weldering connection type, composite layer selects identical with cooling tube material, and guarantee tube sheet is preferably welded with cooling tube
Performance is connect, prevents cooling tube from leaking with tube sheet junction.
4) in order to preferably analyze the various states and stress condition of main condenser in actual operation, main condenser is used
Three-dimensional entity model design, and carry out integral strength and impact to wave simulation calculating.
The matched band of steam turbine to adapt to various use conditions is bubbled oxygen removing type condenser, condenser, condenser
It is to be welded to connect between top, throat's connecting flange；Its cooling water using the form that goes with each other all the time, condenser front water chamber with it is cold
Water chamber is respectively 2 after condenser, is ellipsoidal structure.Internal tube plate in condenser also serves as flange and outer tube plate and front and back
Water chamber flange is bolted, and condenser cooling tube and tube sheet make vapour side and the cooling water of condenser using the structure of swollen+weldering
Side guarantees zero leakage.Meanwhile inclination is guaranteed using double tubesheet structure and waves the intensity of condenser tube plate under operating condition, it prevents from condensing
Device deformation；Condenser can shake sliding branch by the way that condenser is anti-when operation by supporting butterfly spring to be placed on basic platform
Seat is limited, and lateral displacement occurs for condenser when preventing basic platform from tilting and waving；Condenser top is connected by throat
Acting flange is attached with low pressure (LP) cylinder steam drain, and the weight and operating load of condenser are born by low pressure (LP) cylinder supporting platen.
In addition, reasonable Arrangement has up to ten thousand cooling water heat exchanger tubes (pipe outside diameter Ф 16mm, heat exchange tube walls in condenser
Thick 1.2mm-1.5mm), by reasonable design arrangement heat-exchanging tube bundle, condensation power with higher, distribution of steam are restrained in radial inflow
Uniformly, vapour locking is small, and heat-transfer effect is high, and no air accumulation can reduce the degree of supercooling of condensed water.It is good in order to be created in condenser
Condensed water deep deoxygenization effect, tape drum be set under condenser lower part steep and be disposed with bubbling in the condenser hot well of deoxygenation and remove
Oxygen device, including deoxygenation steam enter hot well pipeline, are bubbled plate and shower plate, make the steam ejected and pass through water spraying tray
Condensed water is come into full contact with, so that condensed water is adequately heated, to guarantee that the oxygen content of condensed water is less than 7ppb.This
Class band is bubbled oxygen removing type condenser and fully meets the demand of modern steam turbine condenser, can satisfy Steam Turbine in starting, just
Under the operating conditions such as normal operation, underload, bypass, moisturizing, the requirement of oxygencontent of condensate.
Technical principle of the utility model has been described above with reference to specific embodiments, these descriptions are intended merely to explain this reality
With novel principle, it cannot be construed to the limitation to scope of protection of the utility model in any way.Based on explaining herein, ability
The technical staff in domain, which does not need to pay for creative labor, can associate with other specific implementation modes of this utility model, these
Mode is fallen within the protection scope of the utility model.
Claims (10)
1. a kind of matched bubbling oxygen removing type condenser of steam turbine, which is characterized in that
Including oval condenser bodies, be arranged in the oval condenser bodies both ends the first oval water chamber device and
Second oval water chamber device, the low pressure (LP) cylinder steam discharge inlet device being arranged at the top of the oval condenser bodies, setting exist
The support device and condensation discharging device of the ellipse condenser bodies bottom；
The steam that steam turbine is discharged can be passed through in the oval condenser bodies by the low pressure (LP) cylinder steam discharge inlet device
Portion carries out heat exchange to condense；
Condensed water in the ellipse condenser bodies by the condensation discharging device deoxygenation and can be discharged into the external world.
2. condenser as described in claim 1, which is characterized in that
The ellipse condenser bodies include: condenser shell, the cooling tube bundle being arranged in inside the condenser shell, set
Set the first tube plate device and the second tube plate device at the condenser shell both ends；
First tube plate device is identical with the second tube plate device structure.
3. condenser as claimed in claim 2, which is characterized in that
The condenser shell is an oval-shaped shell；
The top of the condenser shell is equipped with air intake, and the low pressure (LP) cylinder steam discharge inlet device is fixed at the air intake
Place；
Connecting flange is additionally provided on the low pressure (LP) cylinder steam discharge inlet device；
The both ends of the condenser shell are equipped with water chamber connecting flange；
Described first oval water chamber device is fixed with first tube plate device with bolt by the water chamber connecting flange to be set
It sets at the both ends of the condenser shell；
Described second oval water chamber device is fixed with second tube plate device with bolt by the water chamber connecting flange to be set
It sets at the both ends of the condenser shell.
4. condenser as claimed in claim 3, which is characterized in that
The cooling tube bundle includes the first cooling tube bundle group and the second cooling tube bundle group；
The both ends of the first cooling tube bundle group are respectively fixedly disposed at the condenser shell by first tube plate device
Both ends, and be connected to the first of the condenser shell both ends the oval water chamber device；
The both ends of the second cooling tube bundle group are respectively fixedly disposed at the condenser shell by second tube plate device
Both ends, and be connected to the second of the condenser shell both ends the oval water chamber device.
5. condenser as claimed in claim 4, which is characterized in that
First tube plate device includes the first tube sheet group and the second tube sheet group；
The first tube sheet group is identical with the second pipe plate group structure, and is symmetricly set on the both ends of the condenser shell
Portion；
The first tube sheet group and the second tube sheet group are double tubesheet structure；
Described first oval water chamber device includes the first water chamber and the second water chamber；
First water chamber and second water chamber are symmetricly set on the both ends of the condenser shell.
6. condenser as claimed in claim 5, which is characterized in that
Second tube plate device includes third tube sheet group and the 4th tube sheet group；
Described second oval water chamber device includes third water chamber and the 4th water chamber；
First tube plate device and second tube plate device are symmetrically set centered on the long axis of the condenser shell
It sets at the both ends of the condenser shell.
7. condenser as claimed in claim 6, which is characterized in that
The support device includes that four groups of support butterfly springs and two prevent shaking sliding support；
Four groups of support butterfly springs are set to the bottom of the oval condenser bodies；
The ellipse condenser bodies prevent that shaking sliding support is placed on basis by four groups of support butterfly springs and two
On platform.
8. condenser as claimed in claim 7, which is characterized in that
The condensation discharging device includes shell and the condenser hot well that the intracorporal band bubbling deoxygenation of the shell is arranged in；
The shell is equipped with deoxygenation steam inlet and condensation water out；
The deoxygenation steam inlet is connected to the condenser hot well that the band is bubbled deoxygenation；
The condensation water out is connected to the condenser hot well that the band is bubbled deoxygenation.
9. condenser as claimed in claim 8, which is characterized in that
It further include high pressure turbine by reducing-and-cooling plant；
The side of the low pressure (LP) cylinder steam discharge inlet device is arranged in the high pressure turbine by reducing-and-cooling plant, and can be by described
Low pressure (LP) cylinder steam discharge inlet device is connected to the inside of the oval condenser bodies.
10. condenser as claimed in claim 9, which is characterized in that
First water chamber and second water chamber for being symmetricly set on the condenser shell both ends be respectively equipped with water inlet and
Water outlet；
First water chamber and second water chamber for being symmetricly set on the condenser shell both ends are equipped with water chamber manhole；
The third water chamber and the 4th water chamber for being symmetricly set on the condenser shell both ends be respectively equipped with water inlet and
Water outlet；
The third water chamber and the 4th water chamber for being symmetricly set on the condenser shell both ends are equipped with water chamber manhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821079667.5U CN208635590U (en) | 2018-07-09 | 2018-07-09 | A kind of matched bubbling oxygen removing type condenser of steam turbine |
Applications Claiming Priority (1)
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| CN108844380A (en) * | 2018-07-09 | 2018-11-20 | 北京龙威发电技术有限公司 | A kind of matched bubbling oxygen removing type condenser of steam turbine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108844380A (en) * | 2018-07-09 | 2018-11-20 | 北京龙威发电技术有限公司 | A kind of matched bubbling oxygen removing type condenser of steam turbine |
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Address after: 100044, Beijing Haidian District Zhongguancun South Street, No. 56, building 18 square radius Patentee after: Beijing Guoneng Longwei Power Generation Technology Co.,Ltd. Address before: 100044, Beijing Haidian District Zhongguancun South Street, No. 56, building 18 square radius Patentee before: BEIJING LONGWEI POWER GENERATION TECHNOLOGY Co.,Ltd. |
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