CN207113643U - A kind of non-homogeneous condenser pipe bundle arrangement structure of condenser - Google Patents
A kind of non-homogeneous condenser pipe bundle arrangement structure of condenser Download PDFInfo
- Publication number
- CN207113643U CN207113643U CN201720942724.7U CN201720942724U CN207113643U CN 207113643 U CN207113643 U CN 207113643U CN 201720942724 U CN201720942724 U CN 201720942724U CN 207113643 U CN207113643 U CN 207113643U
- Authority
- CN
- China
- Prior art keywords
- condenser
- condenser pipe
- steam
- pipe
- isosceles triangle
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of non-homogeneous condenser pipe bundle arrangement structure of condenser, is related to the heat transfer of large-scale power station condenser and reduces resistance technology field.It has multiple condenser pipes to form condensation tube bank, and condensation tube bank is on the tube sheet of condenser, and it is in uneven arrangement structure that the condensation of condenser, which is restrained on tube sheet, and the line of adjacent three condenser pipe central points forms isosceles triangle.The advantages of interbank steam flow resistance is with steam heat-exchanging effect is strengthened is condensed with condenser is reduced.
Description
Technical field
It the utility model is related to the heat transfer of large-scale power station condenser and reduce resistance technology field, more specifically it is one
The non-homogeneous condenser pipe bundle arrangement structure of kind condenser.
Background technology
Large-scale power station condenser is the important composition part of thermal power generator, and it constantly takes away steam turbine discharge steam
Heat, steam discharge is condensed into water and is established in gas turbine exhaust gas mouth with maintaining certain vacuum.Statistics shows, heating power
The vacuum of generating set often reduces by 1%, and heat consumption about increases by 0.5%~1%, and this can dramatically increase the mark coal consumption of large-scale power station
Amount.
Influenceing the physical factor of condenser vacuum includes vapour collateral resistance and heat transfer efficiency, by optimizing condenser condenser pipe
Beam arrangement can be achieved steam and restrain bigger contact area, improve steam heat-exchanging effect；Steam Peak Flow Rate is reduced, makes flowing
Uniformly, steam flow resistance is reduced；In this way, the pressure of turbine discharge mouth can be reduced and reduce the degree of supercooling of condensate.
The banding pipe that typical arrangement form includes being widely used in French condenser is restrained in external condenser condensation at present
The mountain peak type tube bank of beam form, the intensive bundles of bundles of tubes of U.S.'s condenser and German condenser.Chinese Patent Application No. is
201010197078.9, patent name be《A kind of simulated bicontinuous tree-shaped pipe bundle type steam condenser》Disclose a kind of simulated bicontinuous tree-shaped
Pipe bundle type steam condenser, the tube sheet planar are divided into the intensive branch tube bank of the loose branch tube bundle region of simulated bicontinuous tree, simulated bicontinuous tree
Area, tapered air cooling tube bundle region and simulated bicontinuous tree trunk shape center are drawn gas area；Chinese Patent Application No. be 201610250938.8,
Patent name is《Bank of condenser pipes》Disclosed bank of condenser pipes includes the main coagulation zone of pine tree shape formed by cooling water pipe fork row
With right-angled trapezium air cooling zone；The difference of domestic and international bank of condenser pipes arrangement form is embodied on overall tube bank contour line, and is restrained
Internal condenser pipe press equilateral triangle arrangement, and it is larger the shortcomings that equilateral triangle arrangement to be that steam flow rate fluctuates, such as：Work as steam
After flowing through tube bank equilateral triangle base, two strands of steam can be divided into and flowed out respectively from two waists of equilateral triangle, this will cause steam
Flow velocity suddenly reduce by 1/2 times and more than；After steam flows through tube bank two waist of equilateral triangle, one steam can be confluxed into from triangle
Shape base is flowed out, and this will cause steam flow rate to increase 1/2 times or so suddenly；The big ups and downs of steam flow rate can cause flow resistance
Become big, it is uneven to will also result in tube bank internal heat.
The content of the invention
The purpose of this utility model is to provide a kind of non-homogeneous condenser pipe bundle arrangement structure of condenser, and it is cold to reduce condenser
Solidifying interbank steam flow resistance and enhancing steam heat-exchanging effect.
To achieve these goals, the technical solution of the utility model is：A kind of non-homogeneous condensation tube bank cloth of condenser
Structure is put, multiple condenser pipes form condensation tube bank, and condensation tube bank is on the tube sheet of condenser, it is characterised in that：Condenser
Condensation tube bank is in uneven arrangement structure on tube sheet, along the line structure of adjacent three condenser pipe central points of steam flow direction
Into isosceles triangle.
In the above-mentioned technical solutions, two waist length sums of the isosceles triangle are equal to base length and condenser pipe external diameter
Length sum, that is, meet equation below：
B=2A-d
In formula,
A is the isosceles triangle formed along the line of three condenser pipe central points of the arbitrary neighborhood of steam flow direction
Waist length；
B is the isosceles triangle formed along the line of three condenser pipe central points of the arbitrary neighborhood of steam flow direction
Base length；
D is the outer diameter length of condenser pipe.
In the above-mentioned technical solutions, the condenser pipe external diameter in the condensation tube bank on the tube sheet of condenser is equal；Institute
It is equal to state condensation pipe surface clear distance on the waist of isosceles triangle two, pipe surface clear distance sum is condensed on two waists and is equal to condenser pipe on base
Surface clear distance.
Clear distance in condensation tube bank between any two condenser pipe is small, and when steam stagger arrangement passes through isosceles triangle, it two
The flow velocity of steam is almost equal between the flow velocity of steam and base upper tube between waist upper tube, the ripple of flow velocity when being advantageous to reduce steam flowing
Dynamic amplitude, it is contemplated that flow resistance and flow velocity it is square directly proportional, steam flow rate fluctuation reduces, and can effectively reduce steam and restrain
Between flow resistance, so as to reduce steam turbine exhaust pressure, improve unit efficiency.
The utility model has the following advantages that：
(1) condenser condensation tube bank is arranged as isosceles triangle heterogeneous by the utility model, is appointed in being restrained because of condensation
The clear distance anticipated between two condenser pipes is small, and single isosceles triangle size is smaller, thus negligible steam on stringcourse condenser pipe and
Vapour volume flow on base caused by the heat exchange of condenser pipe reduces；When steam stagger arrangement passes through isosceles triangle, it two
The flow velocity of steam is almost equal between the flow velocity of steam and base upper tube between waist upper tube；The ripple of flow velocity when being advantageous to reduce steam flowing
Dynamic amplitude, it is contemplated that flow resistance and flow velocity it is square directly proportional, steam flow rate fluctuation reduces, and can effectively reduce steam and restrain
Between flow resistance, so as to reduce steam turbine exhaust pressure, improve unit efficiency；
(2) condenser condensation tube bank is arranged as isosceles triangle heterogeneous, when steam stagger arrangement passes through isosceles triangle,
The flow velocity of steam is almost equal between the flow velocity of steam and base upper tube between its two waists upper tube, and uniform steam flowing velocity can make phase
The heat exchange of nearly condenser pipe is more uniform, can effectively avoid the formation of local eddy currents area and air Nesting Zone, strengthens heat transfer effect；Energy-conservation
Environmental protection；
(3) the utility model strong applicability, available for a variety of power station condenser tube bundle outer contour arrangement forms
Among.
Brief description of the drawings
Fig. 1 the utility model structure diagrams.
Fig. 2 is the non-homogeneous condensation tube bank arrangement partial structural diagram of the condenser of the utility model embodiment one.
Fig. 3 is the non-homogeneous condensation tube bank arrangement partial structural diagram of the condenser of the utility model embodiment two.
In Fig. 1, L is that pipe surface clear distance is condensed on the waist of isosceles triangle two, and 2L is condenser pipe table on isosceles triangle base
Face clear distance；A is the waist length for the isosceles triangle that the line of three adjacent condenser pipe central points is formed；B is adjacent three
The base length for the isosceles triangle that the line of individual condenser pipe central point is formed；D is the outer diameter length of condenser pipe；Shown by arrow
Direction is steam flow direction；
In Fig. 2, L1For pipe surface clear distance, 2L are condensed in embodiment one on the waist of isosceles triangle two1For isosceles in embodiment one
Pipe surface clear distance is condensed on triangle base；A1Formed for the line of three condenser pipe central points adjacent in embodiment one
The waist length of isosceles triangle；B1The isoceles triangle formed for the line of three condenser pipe central points adjacent in embodiment one
The base length of shape；d1For the outer diameter length of condenser pipe in embodiment one；Shown by arrow direction is steam flow direction；
In Fig. 3, L2Pipe surface clear distance, 2L are condensed in example two on the waist of isosceles triangle two to apply2To apply isoceles triangle in example two
Pipe surface clear distance is condensed on shape base；A2To apply the isosceles three that the line of three condenser pipe central points adjacent in example two is formed
Angular waist length；B2To apply the base for the isosceles triangle that the line of three condenser pipe central points adjacent in example two is formed
Length；d2To apply the outer diameter length of condenser pipe in example two；Shown by arrow direction is steam flow direction.
Embodiment
Describe performance of the present utility model in detail below in conjunction with the accompanying drawings, but they are not formed to of the present utility model
Limit, it is only for example.The advantages of making the utility model by explanation simultaneously, is more clear and is readily appreciated that.
Understood refering to accompanying drawing：A kind of non-homogeneous condenser pipe bundle arrangement structure of condenser, multiple condenser pipes form condenser pipe
Beam, condensation tube bank is on the tube sheet of condenser, it is characterised in that：It is in uneven arrangement that the condensation of condenser, which is restrained on tube sheet,
Structure, isosceles triangle is formed along the line of adjacent three condenser pipe central points of steam flow direction.The isosceles triangle
Two waist length sums be equal to base length and condenser pipe outer diameter length sum, that is, meet equation below：
B=2A-d
In formula,
A is the isosceles triangle formed along the line of three condenser pipe central points of the arbitrary neighborhood of steam flow direction
Waist length；
B is the isosceles triangle formed along the line of three condenser pipe central points of the arbitrary neighborhood of steam flow direction
Base length；
D is the outer diameter length of condenser pipe.
The condenser pipe external diameter in condensation tube bank on the tube sheet of condenser is equal；On the waist of isosceles triangle two
It is equal to condense pipe surface clear distance, pipe surface clear distance sum is condensed on two waists equal to condensation pipe surface clear distance on base (such as Fig. 1 institutes
Show).
Embodiment one
In the non-homogeneous condensation tube bank arrangement partial schematic diagram of condenser as shown in Figure 1, along three of steam flow direction
Adjacent tube bank central point forms an isosceles triangle, the long A of waist1=32mm, base B1=39mm, pipe outside diameter d1=25mm；This
When, pipe surface clear distance L is condensed on two waists1=7mm, pipe surface clear distance 2L is condensed on base1=14mm.
When steam flows into tube bundle region from shown by arrow direction, first by 14mm ligament, after be diverted through
Two 7mm ligament, the ligament then to conflux again by a 14mm, flowed forward always then according to this rule；
In whole flow process, remain that steam flowing velocity is basically identical, therefore caused by can effectively reducing steam flow rate fluctuation
Fluid resistance loss, and it is uneven to avoid conducting heat.
Embodiment two
In the non-homogeneous condensation tube bank arrangement partial schematic diagram of condenser as shown in Figure 2, along three of steam flow direction
Adjacent tube bank central point forms an isosceles triangle, the long A of waist2=27mm, base B2=32mm, pipe outside diameter d2=22mm；This
When, pipe surface clear distance L is condensed on two waists2=5mm, pipe surface clear distance 2L is condensed on base2=10mm.
When steam flows into tube bundle region from shown by arrow direction, first by 10mm ligament, after be diverted through
Two 5mm ligament, the ligament then to conflux again by a 10mm, flowed forward always then according to this rule；
In whole flow process, remain that steam flowing velocity is basically identical, therefore caused by can effectively reducing steam flow rate fluctuation
Fluid resistance loss, and it is uneven to avoid conducting heat.
Other unaccounted parts belong to prior art.
Claims (3)
1. a kind of non-homogeneous condenser pipe bundle arrangement structure of condenser, multiple condenser pipes form condensation tube bank, and condensation tube bank is located at
On the tube sheet of condenser, it is characterised in that：It is in uneven arrangement structure that the condensation of condenser, which is restrained on tube sheet, is flowed along steam
The line of adjacent three condenser pipe central points in direction forms isosceles triangle.
A kind of 2. non-homogeneous condenser pipe bundle arrangement structure of condenser according to claim 1, it is characterised in that：It is described etc.
Two waist length sums of lumbar triangle shape are equal to base length and condenser pipe outer diameter length sum, that is, meet equation below：
B=2A-d
In formula,
A is the waist of the isosceles triangle formed along the line of three condenser pipe central points of the arbitrary neighborhood of steam flow direction
Length；
B is the bottom of the isosceles triangle formed along the line of three condenser pipe central points of the arbitrary neighborhood of steam flow direction
Edge lengths；
D is the outer diameter length of condenser pipe.
A kind of 3. non-homogeneous condenser pipe bundle arrangement structure of condenser according to claim 2, it is characterised in that：Positioned at solidifying
The condenser pipe external diameter in condensation tube bank on the tube sheet of vapour device is equal；Pipe surface clear distance is condensed on the waist of isosceles triangle two
It is equal, pipe surface clear distance sum is condensed on two waists and is equal to condensation pipe surface clear distance on base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720942724.7U CN207113643U (en) | 2017-07-31 | 2017-07-31 | A kind of non-homogeneous condenser pipe bundle arrangement structure of condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720942724.7U CN207113643U (en) | 2017-07-31 | 2017-07-31 | A kind of non-homogeneous condenser pipe bundle arrangement structure of condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207113643U true CN207113643U (en) | 2018-03-16 |
Family
ID=61580550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720942724.7U Active CN207113643U (en) | 2017-07-31 | 2017-07-31 | A kind of non-homogeneous condenser pipe bundle arrangement structure of condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207113643U (en) |
-
2017
- 2017-07-31 CN CN201720942724.7U patent/CN207113643U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202719915U (en) | Novel parallel flow heat exchanger of shunt structure | |
| CN207113643U (en) | A kind of non-homogeneous condenser pipe bundle arrangement structure of condenser | |
| CN101865612B (en) | Simulated bicontinuous tree-shaped pipe bundle type steam condenser | |
| CN108827047A (en) | A kind of loop circuit heat pipe | |
| CN109387105A (en) | A kind of bar wing formula loop circuit heat pipe | |
| TWI264516B (en) | Condenser | |
| CN104930872B (en) | Meshy arrangement fluorine plastic tube water economizer | |
| CN212870845U (en) | Vertical U-shaped structure finned heat exchanger | |
| CN108332597A (en) | A kind of air setting flue gas heat and mass transfer enhancement element and its heat exchanger | |
| RU2294503C1 (en) | Multi-sectional heat exchanger | |
| CN206724734U (en) | A kind of efficient quick condenser | |
| CN205079216U (en) | Fin economizer | |
| CN207741599U (en) | A kind of sludge drying tail gas heat recovery reuse means | |
| CN208458553U (en) | Heat exchanger of graphite | |
| CN205825793U (en) | Can the water collection device of cold recovery | |
| CN208091293U (en) | A kind of air setting flue gas heat and mass transfer enhancement component structure and its heat exchanger | |
| CN207976024U (en) | A kind of module steam machine heat exchanger | |
| CN205897925U (en) | Flat pipe of automobile oil cooler | |
| CN207247945U (en) | A kind of gilled radiator | |
| CN204202422U (en) | A kind of condenser with tube bank water spraying tray | |
| CN211626140U (en) | Water distribution system of evaporative condenser | |
| CN203224144U (en) | Evaporator heat-radiating module of steam-turbine exhaust-steam residual-heat utilizing absorption-type heat pump | |
| CN202485521U (en) | Tube bundle for air-cooling condenser of direct air-cooling system | |
| CN214173047U (en) | Pine node oil cooling heat recycling device | |
| CN210612902U (en) | Novel tobacco extract evaporator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |