CN207936041U - A kind of tetra- flow reheating of MSR tube bank with U-shaped heat exchange tube structure - Google Patents
A kind of tetra- flow reheating of MSR tube bank with U-shaped heat exchange tube structure Download PDFInfo
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- CN207936041U CN207936041U CN201820367984.0U CN201820367984U CN207936041U CN 207936041 U CN207936041 U CN 207936041U CN 201820367984 U CN201820367984 U CN 201820367984U CN 207936041 U CN207936041 U CN 207936041U
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- flows
- tube
- tube bank
- flow
- hemispherical head
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- 238000003303 reheating Methods 0.000 title claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 20
- 238000005192 partition Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims description 10
- 230000006378 damage Effects 0.000 abstract description 4
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000004781 supercooling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
A kind of tetra- flow reheating of MSR tube bank with U-shaped heat exchange tube structure,The utility model is related to a kind of four flow reheating tube banks,The utility model, which leaves humidity after high pressure cylinder enters low pressure (LP) cylinder to solve steam in steam turbine unit, can increase to %%,Larger destruction can be caused to the low pressure (LP) cylinder blade for doing circumference high-speed rotation,And the problem of influencing the thermal efficiency,It includes hemispherical head,Steam is heated into vapour partition board,Heat steam input pipe,Hydrophobic discharge pipe,Tube sheet,Sweep exhaust efferent duct,Manhole component and ' U ' shape tube assembly,' U ' shape tube assembly is restrained including a flow,Two flows are restrained,Three flows are restrained and the tube bank of four flows,Hemispherical head is closed cavity,The section of hemispherical head is vertically arranged,Heating steam input pipe and hydrophobic discharge pipe are connected to hemispherical head,Steam is heated to be mounted between hemispherical head spherical shape madial wall and the cross section sealing plate of hemispherical head into vapour partition board,Manhole component is mounted on hemispherical head,The utility model is used for steam-turbine unit field.
Description
Technical field
The utility model is related to a kind of four flow reheating tube banks, and in particular to a kind of MSR tetra- with U-shaped heat exchange tube structure
Flow reheating is restrained.
Background technology
Existing nuclear power station saturated steam turbine unit is intended to configuration separator (moisture
Separator reheater) MSR equipment.Separator is one of the important equipment in nuclear steam turbine group, its position
After high pressure cylinder before low pressure (LP) cylinder, for removing the moisture in cyclic steam.Since the cyclic steam of nuclear power is close to saturation, and
With certain humidity, so after steam leaves high pressure cylinder, the humidity of steam discharge reaches nearly 10%.Such humidity is not if limited
System, into after low pressure (LP) cylinder, humidity can also be further increased to 20%-24%, this undoubtedly can be to doing the low pressure of circumference high-speed rotation
Cylinder blade causes larger destruction, and influences the thermal efficiency.MSR generally use Double-bundles design, i.e. high and low pressure tube bank each one.Vapour
The reheated steam of water separator/heater low pressure tube bank is generally from high pressure cylinder steam extraction.And high pressure tube bank reheated steam both is from new steaming
Vapour, it is more efficient with acquisition and higher outlet temperature.Steam by reheating can increase substantially the power of unit, increase
Add the economy of unit.And then need to provide a kind of moisture that can be solved in the cycle vapor after being left by high pressure cylinder, in turn
Ensure the protection to low pressure (LP) cylinder blade.
Utility model content
The utility model, which leaves humidity after high pressure cylinder enters low pressure (LP) cylinder to solve steam in steam turbine unit, to be increased
It is added to 20%-24%, larger destruction can be caused to the low pressure (LP) cylinder blade for doing circumference high-speed rotation, and influence asking for the thermal efficiency
Topic, and then a kind of four flow reheating tube bank being applied to million nuclear power MSR is provided.
The utility model adopts the technical scheme that in order to solve the above problem：It include hemispherical head, heating steam into
Vapour partition board, hydrophobic discharge pipe, tube sheet, sweeps exhaust efferent duct, manhole component and ' U ' shape tube assembly, ' U ' at heating steam input pipe
Shape tube assembly includes flow tube bank, the tube bank of two flows, the tube bank of three flows and the tube bank of four flows, and hemispherical head is closing chamber
The section of body, hemispherical head is vertically arranged, and heating steam input pipe is sealed close to the top of hemispherical head mounted on hemispherical
On head, hydrophobic discharge pipe is mounted on close to the bottom of hemispherical head on hemispherical head, and heats steam input pipe and hydrophobic
Discharge pipe is connected to hemispherical head, and heating steam is mounted on hemispherical head spherical shape madial wall into vapour partition board and hemispherical is sealed
Between the cross section sealing plate of head, inner wall and cross section sealing plate top group of the heating steam into vapour partition board and the hemispherical head on top
At a heating vapor cavity, inner wall and cross section sealing board bottom portion group of the heating steam into vapour partition board and the hemispherical head of lower part
At a hydrophobic cavity, flow tube bank and the tube bank of two flows form multiple ' U ' shape pipes, the tube bank of three flows and four flow tube bank groups
At multiple ' U ' shape pipes, heating steam input pipe is connected to heating vapor cavity, and a flow restrains the arrival end of tube body and heating is steamed
Vapour cavity is connected to, and two flows tube bank outlet end is connected to hydrophobic cavity, and the arrival end of three flows tube bank is connected to hydrophobic cavity, and four
The outlet end of flow tube bank, which is equipped with, sweeps exhaust efferent duct, and manhole component is mounted on hemispherical head.
The utility model has the beneficial effects that：
1, the utility model has the not simple, manufacture easy to process of cracky, Pipe bundle structure etc. of heat transfer property height, heat exchanger tube
Advantage；
2, the utility model uses four flow scheme designs, and there is no supercooling and the pipe damage problems caused by supercooling；
3, multiple tube inlet ends of flow tube bank 8-1 are rectangle arranged side by side, two flows tube bank in the utility model
Multiple pipe outlet ends of 8-2 are rectangle arranged side by side, and multiple tube inlet ends of three flows tube bank 8-3 are rectangle and set side by side
It sets, multiple pipe outlet ends of four flows tube bank 8-4 are rectangle arranged side by side, which has design simple, manufacturer
Just the features such as.
4, the utility model uses four flow tube bundle designs, a flow to restrain 8-1 and two flows tube bank 8-2 condensations about 75%
Steam, remaining 25% to enter three flows tube bank 8-3 and four flows tube bank 8-4 wherein 5%-8% be to sweep steam discharge, and MSR is discharged,
Into high-pressure heater.After four flows, flow tube bank 8-1 and two flows tube bank 8-2 sweep steam discharge ratio using higher,
And steam discharge ratio is swept using 5%-8% in intermediate thermic load smaller tube layer.
Description of the drawings
Fig. 1 is the overall structure front view of the utility model, and Fig. 2 is that ' U ' shape tube assembly 8 is shown on tube support plate 9
It is intended to, Fig. 3 is the cross section structure figure of flow tube bank 8-1, and Fig. 4 is the utility model structure chart, and arrow direction is one stream in figure
Journey restrains 8-1, two flows tube bank 8-2, three flows tube bank 8-3 and four flows and restrains steam flow direction in 8-4.
Specific implementation mode
Specific implementation mode one：Illustrate present embodiment in conjunction with Fig. 1-Fig. 4, one kind is changed with U-shaped described in present embodiment
The tetra- flow reheating of MSR of heat pipe structure is restrained, it includes hemispherical head 1, heats steam into vapour partition board 2, heating steam input
Pipe 3, hydrophobic discharge pipe 6, tube sheet 4, sweep exhaust efferent duct 5, manhole component 7 and ' U ' shape tube assembly 8, ' U ' shape tube assembly 8 include
One flow restrains 8-1, two flows tube bank 8-2, three flows tube bank 8-3 and four flows and restrains 8-4, and hemispherical head 1 is closing chamber
The section of body, hemispherical head 1 is vertically arranged, and heating steam input pipe 3 is mounted on hemispherical close to the top of hemispherical head 1
On end socket 1, hydrophobic discharge pipe 6 is mounted on close to the bottom of hemispherical head 1 on hemispherical head 1, and heats steam input pipe 3
It is connected to hemispherical head 1 with hydrophobic discharge pipe 6, heating steam is mounted on the spherical madial wall of hemispherical head 1 into vapour partition board 2
Between the cross section sealing plate 10 of hemispherical head 1, heating steam into vapour partition board 2 and the hemispherical head 1 on top inner wall and
Cross section sealing plate 10 top composition, one heating vapor cavity 11, heats steam into vapour partition board 2 and the hemispherical head 1 of lower part
Inner wall and 10 bottom of cross section sealing plate form a hydrophobic cavity 12, and a flow restrains 8-1 and two flows tube bank 8-2 compositions are multiple
' U ' shape pipe, three flows restrain 8-3 and four flows tube bank 8-4 forms multiple ' U ' shape pipes, heating steam input pipe 3 and heating steam
Cavity 11 is connected to, and the arrival end of flow tube bank 8-1 tube bodies is connected to heating vapor cavity 11, and two flows restrain the outlet ends 8-2
It is connected to hydrophobic cavity 12, the arrival end of three flows tube bank 8-3 is connected to hydrophobic cavity 12, and four flows restrain the outlet end of 8-4
Equipped with exhaust efferent duct 5 is swept, manhole component 7 is mounted on hemispherical head 1.
Specific implementation mode two：Illustrate present embodiment in conjunction with Fig. 1-Fig. 4, one kind is changed with U-shaped described in present embodiment
The tetra- flow reheating of MSR of heat pipe structure is restrained, and the tube body and two flows tube bank 8-2 of each flow tube bank 8-1 is one corresponding
Tube body connection constitutes ' U ' shape pipe, a tube body tube body corresponding with four flows tube bank 8-4 of each three flows tube bank 8-3
Connection constitutes ' U ' shape pipe.Other structures are same as the specific embodiment one with connection relation.
Specific implementation mode three：Illustrate present embodiment in conjunction with Fig. 1-Fig. 4, one kind is changed with U-shaped described in present embodiment
The tetra- flow reheating of MSR of heat pipe structure is restrained, and multiple ' U ' shape pipe sleeves of flow tube bank 8-1 and two flows tube bank 8-2 compositions exist
Three flows are restrained outside multiple ' U ' shape pipes of 8-3 and four flows tube bank 8-4 compositions, and a flow restrains 8-1, two flows restrain 8-
2, three flows tube bank 8-3 and four flows tube bank 8-4 are inserted on tube sheet 4 and cross section sealing plate 10.Other structures with connect close
It is same as the specific embodiment one.
Specific implementation mode four：Embodiment is described with reference to Fig. 1, a kind of described in present embodiment to carry U-shaped heat exchanger tube
The tetra- flow reheating of MSR of structure is restrained, it further includes multiple tube support plates 9, and multiple tube support plates 9 are uniformly mounted on a flow pipe
On beam 8-1, two flows tube bank 8-2, three flows tube bank 8-3 and four flows tube bank 8-4.Other structures are real with connection relation and specifically
It is identical to apply mode one.
Specific implementation mode five：Embodiment is described with reference to Fig. 1, a kind of described in present embodiment to carry U-shaped heat exchanger tube
The tetra- flow reheating of MSR of structure is restrained, and multiple tube inlet end journey rectangles that a flow restrains 8-1 are arranged side by side, two flow pipes
Multiple pipe outlet end journey rectangles of beam 8-2 are arranged side by side, and multiple tube inlet end journey rectangles of three flows tube bank 8-3 are set side by side
It sets, multiple pipe outlet end journey rectangles that four flows restrain 8-4 are arranged side by side.Other structures and connection relation and specific embodiment party
Formula one, two, three or four are identical.
Thermocouple temperature measuring apparatus is arranged in the outlet end for restraining 8-4 when utility model works in four flows, can be according to temperature
Degree variation sweeps displacement to control.
Claims (5)
1. a kind of tetra- flow reheating of MSR tube bank with U-shaped heat exchange tube structure, it is characterised in that：It includes hemispherical head
(1), heating steam into vapour partition board (2), heating steam input pipe (3), hydrophobic discharge pipe (6), tube sheet (4), sweep exhaust efferent duct
(5), manhole component (7) and ' U ' shape tube assembly (8), ' U ' shape tube assembly (8) include flow tube bank (8-1), the tube bank of two flows
(8-2), three flows restrain (8-3) and four flows tube bank (8-4), and hemispherical head (1) is closed cavity, hemispherical head (1)
Section be vertically arranged, heating steam input pipe (3) close to hemispherical head (1) top be mounted on hemispherical head (1) on,
Hydrophobic discharge pipe (6) is mounted on close to the bottom of hemispherical head (1) on hemispherical head (1), and heats steam input pipe (3)
It is connected to hemispherical head (1) with hydrophobic discharge pipe (6), heating steam is mounted on hemispherical head (1) ball into vapour partition board (2)
Between shape madial wall and the cross section sealing plate (10) of hemispherical head (1), hemispherical of the heating steam into vapour partition board (2) and top
One heating vapor cavity (11) of composition at the top of the inner wall and cross section sealing plate (10) of end socket (1), heats steam into vapour partition board (2)
A hydrophobic cavity (12), a flow pipe are formed with the inner wall of the hemispherical head (1) of lower part and cross section sealing plate (10) bottom
Beam (8-1) and two flows tube bank (8-2) form multiple ' U ' shape pipes, and three flows restrain (8-3) and four flows tube bank (8-4) composition
Multiple ' U ' shape pipes, heating steam input pipe (3) are connected to heating vapor cavity (11), and a flow restrains the entrance of (8-1) tube body
End is connected to heating vapor cavity (11), and the two flows tube bank outlet end (8-2) is connected to hydrophobic cavity (12), the tube bank of three flows
The arrival end of (8-3) is connected to hydrophobic cavity (12), and the outlet end of four flows tube bank (8-4), which is equipped with, sweeps exhaust efferent duct (5), people
Aperture member (7) is mounted on hemispherical head (1).
2. a kind of tetra- flow reheating of MSR tube bank with U-shaped heat exchange tube structure according to claim 1, it is characterised in that：Often
The tube body of a flow tube bank (8-1) restrain (8-2) corresponding tube body with two flows and is connected to one ' U ' shape pipe of composition, often
The tube body of a three flow tube bank (8-3) restrain (8-4) corresponding tube body with four flows and is connected to one ' U ' shape pipe of composition.
3. a kind of tetra- flow reheating of MSR tube bank with U-shaped heat exchange tube structure according to claim 1, it is characterised in that：One
Flow restrains (8-1) and multiple ' U ' shape pipe sleeves of two flows tube bank (8-2) composition restrain (8-3) and four flow pipes in three flows
Outside multiple ' U ' shape pipes of beam (8-4) composition, a flow restrains (8-1), two flows tube bank (8-2), three flows tube bank (8-3)
It is inserted on tube sheet (4) and cross section sealing plate (10) with four flows tube bank (8-4).
4. a kind of tetra- flow reheating of MSR tube bank with U-shaped heat exchange tube structure according to claim 1, it is characterised in that：It
Further include multiple tube support plates (9), multiple tube support plates (9) are uniformly mounted on flow tube bank (8-1), two flows restrain (8-
2), in three flows tube bank (8-3) and four flows tube bank (8-4).
5. a kind of tetra- flow reheating of MSR tube bank with U-shaped heat exchange tube structure according to claim 1, it is characterised in that：One
Multiple tube inlet end journey rectangles that flow restrains (8-1) are arranged side by side, and multiple pipe outlet ends journey that two flows restrain (8-2) is long
Rectangular to be arranged side by side, multiple tube inlet end journey rectangles that three flows restrain (8-3) are arranged side by side, and four flows are restrained (8-4)
Multiple pipe outlet end journey rectangles are arranged side by side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820367984.0U CN207936041U (en) | 2018-03-16 | 2018-03-16 | A kind of tetra- flow reheating of MSR tube bank with U-shaped heat exchange tube structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820367984.0U CN207936041U (en) | 2018-03-16 | 2018-03-16 | A kind of tetra- flow reheating of MSR tube bank with U-shaped heat exchange tube structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207936041U true CN207936041U (en) | 2018-10-02 |
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ID=63655279
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820367984.0U Expired - Fee Related CN207936041U (en) | 2018-03-16 | 2018-03-16 | A kind of tetra- flow reheating of MSR tube bank with U-shaped heat exchange tube structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207936041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013374A (en) * | 2020-09-04 | 2020-12-01 | 哈尔滨汽轮机厂辅机工程有限公司 | Vertical MSR structure of marine floating pile |
-
2018
- 2018-03-16 CN CN201820367984.0U patent/CN207936041U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013374A (en) * | 2020-09-04 | 2020-12-01 | 哈尔滨汽轮机厂辅机工程有限公司 | Vertical MSR structure of marine floating pile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Kewei Inventor after: Fu Yuan Gang Inventor after: Chen Lijun Inventor after: Xue Yingxi Inventor after: Wang Jian Inventor before: Liu Kewei Inventor before: Chen Lijun Inventor before: Fu Yuan Gang Inventor before: Xue Yingxi Inventor before: Wang Jian |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181002 |