CN106409369B - Used in nuclear power station low-pressure heater - Google Patents
Used in nuclear power station low-pressure heater Download PDFInfo
- Publication number
- CN106409369B CN106409369B CN201610940375.5A CN201610940375A CN106409369B CN 106409369 B CN106409369 B CN 106409369B CN 201610940375 A CN201610940375 A CN 201610940375A CN 106409369 B CN106409369 B CN 106409369B
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- straight
- bar
- bulge loop
- length
- straight length
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D5/00—Arrangements of reactor and engine in which reactor-produced heat is converted into mechanical energy
- G21D5/04—Reactor and engine not structurally combined
- G21D5/08—Reactor and engine not structurally combined with engine working medium heated in a heat exchanger by the reactor coolant
-
- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Details Of Fluid Heaters (AREA)
Abstract
The invention discloses a kind of used in nuclear power station low-pressure heater, including heat exchanger tube, heat exchanger tube includes cylindrical, hollow straight length；Some cylindrical straight-bars are provided with straight length, two adjacent straight-bar mutual dislocations on straight length axial direction；Straight-bar is fixed by the inwall of some support bars and straight length；It is extended with straight-bar periphery wall some along the axial uniform bulge loop group of straight-bar；Some groups of springs are further fixed on straight length inwall, single groups of springs is between two adjacent straight-bars.Used in nuclear power station low-pressure heater of the present invention, it sets the turbulent structure that water can be made to produce turbulent flow in the straight length of heat exchanger tube, turbulent flow can be produced when water circulates in straight length, can improve the heating effect of water.
Description
Technical field
The present invention relates to used in nuclear power station low-pressure heater.
Background technology
Nuclear power station（nuclear power plant）It is to utilize nuclear fission (Nuclear Fission) or nuclear fusion
(Nuclear Fusion) reacts the power plant of discharged energy production electric energy.Nuclear plant during business operates at present
All it is to be reacted and generated electricity using nuclear fission.Nuclear power station is generally divided into two parts：Utilize the nuclear island of nuclear fission production steam（Bag
Include reactor assembly and primary Ioops system）With the conventional island using steam-electric power（Including steam turbine generator system）, the combustion that uses
Material is usually radioactivity heavy metal：Uranium, plutonium.
Low-pressure heater is the important device of steam turbine generator system, and the effect of low-pressure heater is utilized in steam turbine
The steam of part work(was done, is evacuated to heating feedwater in heater, improves the temperature of water, reduces the steaming that steam turbine is discharged into condenser
Vapour amount, energy loss is reduced, improve the cycle efficieny of therrmodynamic system.
Low-pressure heater generally comprises intake chamber, water inlet tube sheet, water-supplying chamber, water outlet tube sheet and some heat exchanger tubes, heat exchanger tube
Both ends linked together respectively with water inlet tube sheet, water outlet tube sheet, feed water and circulated in heat exchanger tube；Steaming of the heat exchanger tube in heater
Headroom, the heat of heating steam is absorbed, the water of Bottomhole pressure is passed to by pipe wall of heat exchange pipe.
The structure of heat exchanger tube is single in existing low-pressure heater, and the heating effect of feedwater has much room for improvement in heat exchanger tube.
The content of the invention
It is an object of the invention to provide a kind of used in nuclear power station low-pressure heater, and it sets energy in the straight length of heat exchanger tube
Water is produced the turbulent structure of turbulent flow, turbulent flow can be produced when water circulates in straight length, the heating effect of water can be improved.
To achieve the above object, the technical scheme is that designing a kind of used in nuclear power station low-pressure heater, including water inlet
Room, water inlet tube sheet, water-supplying chamber, water outlet tube sheet and some heat exchanger tubes, the both ends of heat exchanger tube connect with water inlet tube sheet, water outlet tube sheet respectively
It is connected together；
The heat exchanger tube includes cylindrical, hollow straight length；
Some cylindrical straight-bars, the axle center of each straight-bar and the axis parallel of straight length, each straight-bar are provided with the straight length
It is uniform along the axial direction of straight length, and adjacent two straight-bar mutual dislocations on straight length axial direction；
The straight-bar is fixed by the inwall of some support bars and straight length；The support bar of same straight-bar is connected to, they
It is generally aligned in the same plane, the axis perpendicular of the plane and straight-bar, and the plane is located at the axial end portion of straight-bar；
It is extended with the straight-bar periphery wall some along the axial uniform bulge loop group of straight-bar；Single bulge loop group includes：Respectively
The first bulge loop and the second bulge loop of the heart coaxial with straight-bar；The external diameter of first bulge loop is the 2/5 of inside diameter of straight pipe section, outside the second bulge loop
Footpath is the 3/5 of inside diameter of straight pipe section；Some through holes are evenly equipped with first bulge loop and the second bulge loop respectively, and the axle center of each through hole is relative
Biased in the axle center of straight-bar；
Some groups of springs are further fixed on the straight length inwall, single groups of springs is between two adjacent straight-bars；
Single groups of springs includes：Some cylindrically coiled springs being fixed on straight length inwall；The axle center difference of each cylindrically coiled spring
With the axis perpendicular of straight length；The axial length of each cylindrically coiled spring is the 3/5 of inside diameter of straight pipe section；The cylinder of same groups of springs
Helical spring, their tie points with straight length inwall are located on same circular helix, and the circular helix is with straight length
Wall is the face of cylinder, and is extended along straight length axial screw.
Preferably, the external diameter of the straight-bar is the 1/5 of inside diameter of straight pipe section.
Preferably, the straight-bar, support bar, the first bulge loop, the second bulge loop and cylindrically coiled spring are all by alloy material system
Into.
Preferably, outer surface all Tu of the straight-bar, support bar, the first bulge loop, the second bulge loop and cylindrically coiled spring cover
There is diaphragm.
Preferably, by weight, the diaphragm is composed of the following components：
20.3 parts of DPGs,
6.2 parts of diethyl hexylcarbonates,
0.7 part of ATMP,
1.2 parts of maleic anhydrides,
2.3 parts of stearic acid monoglycerides,
1.4 parts of inositol hexaphosphates,
0.8 part of zinc dialkyl dithiophosphate,
1.6 parts of γ-(methacryloxypropyl) propyl trimethoxy silicane,
2.1 parts of Fatty alcohol polyoxyethylene polyoxypropylene ethers,
7.5 parts of NVPs.
The advantages of the present invention are：A kind of used in nuclear power station low-pressure heater is provided, it is in the straight of heat exchanger tube
The turbulent structure that water can be made to produce turbulent flow is set in pipeline section, turbulent flow can be produced when water circulates in straight length, adding for water can be improved
Thermal effect.
The turbulent structure of the present invention is made up of straight-bar, support bar, the first bulge loop, the second bulge loop and cylindrically coiled spring etc.,
And straight-bar, support bar, the first bulge loop, the structure arrangement of the second bulge loop and cylindrically coiled spring are the key elements of turbulent structure.This hair
Straight-bar, support bar, the first bulge loop, the second bulge loop and cylindrically coiled spring in bright, and their structure arrangement, can make to change
The water of circulation produces turbulent flow in heat pipe straight length, and then improves the heating effect of water.
Straight-bar, support bar, the first bulge loop, the outer surface all Tu of the second bulge loop and cylindrically coiled spring of the present invention is covered with guarantor
Cuticula, diaphragm are made up of specific components, and diaphragm can improve straight-bar, support bar, the first bulge loop, the second bulge loop and cylinder spiral shell
Abrasion-resistant, the decay resistance of spring are revolved, ensures the length of straight-bar, support bar, the first bulge loop, the second bulge loop and cylindrically coiled spring
Phase uses.
Brief description of the drawings
Fig. 1 is the schematic diagram of straight-bar in the present invention, support bar and bulge loop group；
Fig. 2 is the schematic diagram of groups of springs in the present invention.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is further described.Following examples are only
For clearly illustrating technical scheme, and can not be limited the scope of the invention with this.
The technical scheme that the present invention is embodied is：
As shown in Figure 1 and Figure 2, a kind of used in nuclear power station low-pressure heater, including intake chamber, water inlet tube sheet, water-supplying chamber, water outlet
Tube sheet and some heat exchanger tubes, the both ends of heat exchanger tube link together with water inlet tube sheet, water outlet tube sheet respectively；
The heat exchanger tube includes cylindrical, hollow straight length 1；
Some cylindrical straight-bars 2, the axle center of each straight-bar 2 and the axis parallel of straight length 1 are provided with the straight length 1, respectively
Straight-bar 2 is uniform along the axial direction of straight length 1, and adjacent two mutual dislocations of straight-bar 2 on the axial direction of straight length 1；
The straight-bar 2 is fixed by the inwall of some support bars 3 and straight length 1；The support bar 3 of same straight-bar 2 is connected to,
They are generally aligned in the same plane, the plane and the axis perpendicular of straight-bar 2, and the plane is located at the axial end portion of straight-bar 2；
Some bulge loop groups uniform along the axial direction of straight-bar 2 are extended with the periphery wall of straight-bar 2；Single bulge loop group includes：Point
Not with the first bulge loop 4 and the second bulge loop 5 of the 2 coaxial heart of straight-bar；The external diameter of first bulge loop 4 is the 2/5 of the internal diameter of straight length 1, second
The external diameter of bulge loop 5 is the 3/5 of the internal diameter of straight length 1；Some through holes are evenly equipped with first bulge loop 4 and the second bulge loop 5 respectively, and it is each logical
The axle center in hole biases relative to the axle center of straight-bar 2；
Be further fixed on some groups of springs on the inwall of straight length 1, single groups of springs be located at two adjacent straight-bars 2 it
Between；Single groups of springs includes：Some cylindrically coiled springs 6 being fixed on the inwall of straight length 1；The axle of each cylindrically coiled spring 6
The heart axis perpendicular with straight length 1 respectively；The axial length of each cylindrically coiled spring 6 is the 3/5 of the internal diameter of straight length 1；Same bullet
The cylindrically coiled spring 6 of spring group, their tie points with the inwall of straight length 1 are located on same circular helix, the cylindrical screw
Line extends using the inwall of straight length 1 as the face of cylinder along the axial screw of straight length 1.
The external diameter of the straight-bar 2 is the 1/5 of the internal diameter of straight length 1.
The straight-bar 2, support bar 3, the first bulge loop 4, the second bulge loop 5 and cylindrically coiled spring 6 are all made up of alloy material.
The straight-bar 2, support bar 3, the first bulge loop 4, outer surface all Tu of the second bulge loop 5 and cylindrically coiled spring 6 are covered with
Diaphragm.
By weight, the diaphragm is composed of the following components：
20.3 parts of DPGs,
6.2 parts of diethyl hexylcarbonates,
0.7 part of ATMP,
1.2 parts of maleic anhydrides,
2.3 parts of stearic acid monoglycerides,
1.4 parts of inositol hexaphosphates,
0.8 part of zinc dialkyl dithiophosphate,
1.6 parts of γ-(methacryloxypropyl) propyl trimethoxy silicane,
2.1 parts of Fatty alcohol polyoxyethylene polyoxypropylene ethers,
7.5 parts of NVPs.
The turbulent structure of the present invention is by straight-bar 2, support bar 3, the first bulge loop 4, the second bulge loop 5 and cylindrically coiled spring 6 etc.
Form, and straight-bar 2, support bar 3, the first bulge loop 4, the structure arrangement of the second bulge loop 5 and cylindrically coiled spring 6 are turbulent structures
Key element.Straight-bar 2, support bar 3, the first bulge loop 4, the second bulge loop 5 and cylindrically coiled spring 6 in the present invention, and their knot
Structure is arranged, the water of circulation in heat exchanger tube straight length 1 can be made to produce turbulent flow, and then improve the heating effect of water.
Straight-bar 2, support bar 3, the first bulge loop 4, the outer surface all Tu of the second bulge loop 5 and cylindrically coiled spring 6 of the present invention
Diaphragm is covered with, diaphragm is made up of specific components, and it is convex that diaphragm can improve straight-bar 2, support bar 3, the first bulge loop 4, second
The abrasion-resistant of ring 5 and cylindrically coiled spring 6, decay resistance, ensure straight-bar 2, support bar 3, the first bulge loop 4, the and of the second bulge loop 5
The long-term use of cylindrically coiled spring 6.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (1)
1. used in nuclear power station low-pressure heater, including intake chamber, water inlet tube sheet, water-supplying chamber, water outlet tube sheet and some heat exchanger tubes, heat exchange
The both ends of pipe link together with water inlet tube sheet, water outlet tube sheet respectively；It is characterized in that：
The heat exchanger tube includes cylindrical, hollow straight length；
Some cylindrical straight-bars, the axle center of each straight-bar and the axis parallel of straight length are provided with the straight length, each straight-bar is along directly
The axial direction of pipeline section is uniform, and adjacent two straight-bar mutual dislocations on straight length axial direction；
The straight-bar is fixed by the inwall of some support bars and straight length；The support bar of same straight-bar is connected to, they are located at
The axis perpendicular of same plane, the plane and straight-bar, and the plane is located at the axial end portion of straight-bar；
It is extended with the straight-bar periphery wall some along the axial uniform bulge loop group of straight-bar；Single bulge loop group includes：Respectively with directly
The first bulge loop and the second bulge loop of the coaxial heart of bar；The external diameter of first bulge loop is the 2/5 of inside diameter of straight pipe section, and the external diameter of the second bulge loop is
The 3/5 of inside diameter of straight pipe section；Some through holes are evenly equipped with first bulge loop and the second bulge loop respectively, and the axle center of each through hole is relative to straight
The axle center biasing of bar；
Some groups of springs are further fixed on the straight length inwall, single groups of springs is between two adjacent straight-bars；It is single
Groups of springs includes：Some cylindrically coiled springs being fixed on straight length inwall；The axle center of each cylindrically coiled spring respectively with directly
The axis perpendicular of pipeline section；The axial length of each cylindrically coiled spring is the 3/5 of inside diameter of straight pipe section；The cylindrical screw of same groups of springs
Spring, their tie points with straight length inwall are located on same circular helix, the circular helix using straight length inwall as
The face of cylinder, and extend along straight length axial screw；
The external diameter of the straight-bar is the 1/5 of inside diameter of straight pipe section；
The straight-bar, support bar, the first bulge loop, the second bulge loop and cylindrically coiled spring are all made up of alloy material；
The straight-bar, support bar, the first bulge loop, outer surface all Tu of the second bulge loop and cylindrically coiled spring are covered with diaphragm；
By weight, the diaphragm is composed of the following components：
20.3 parts of DPGs,
6.2 parts of diethyl hexylcarbonates,
0.7 part of ATMP,
1.2 parts of maleic anhydrides,
2.3 part stearic acid monoglyceride,
1.4 parts of inositol hexaphosphates,
0.8 part of zinc dialkyl dithiophosphate,
1.6 parts of γ-(methacryloxypropyl) propyl trimethoxy silicane,
2.1 parts of Fatty alcohol polyoxyethylene polyoxypropylene ethers,
7.5 parts of NVPs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610940375.5A CN106409369B (en) | 2016-11-02 | 2016-11-02 | Used in nuclear power station low-pressure heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610940375.5A CN106409369B (en) | 2016-11-02 | 2016-11-02 | Used in nuclear power station low-pressure heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106409369A CN106409369A (en) | 2017-02-15 |
| CN106409369B true CN106409369B (en) | 2017-12-26 |
Family
ID=58013377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610940375.5A Active CN106409369B (en) | 2016-11-02 | 2016-11-02 | Used in nuclear power station low-pressure heater |
Country Status (1)
| Country | Link |
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| CN (1) | CN106409369B (en) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201449202U (en) * | 2009-07-14 | 2010-05-05 | 西安石油大学 | Heat transferring element of longitudinal spiral fins assembled inside and outside heat transferring pipe |
| CN102297624A (en) * | 2011-07-14 | 2011-12-28 | 许昌怡家电器有限公司 | Reinforced heat exchange fin |
| CN103115516A (en) * | 2011-11-16 | 2013-05-22 | 江苏大自然电器标牌厂 | Integral spiral finned tube |
| CN102434874B (en) * | 2011-12-15 | 2015-06-24 | 哈尔滨锅炉厂有限责任公司 | Nuclear power horizontal high-pressure water supply heater and heating method |
| CN203629401U (en) * | 2013-12-18 | 2014-06-04 | 杭州汉惠通用设备有限公司 | Inner spiral special-shaped outside fin heat exchange tube |
| CN103868393A (en) * | 2014-03-03 | 2014-06-18 | 北京中能诺泰节能环保技术有限责任公司 | Efficient heat exchange pipe |
| CN105509534A (en) * | 2014-09-25 | 2016-04-20 | 天津市华春新能源技术发展有限公司 | Oblique-cone-shaped low-resistance fin tube |
| CN204122892U (en) * | 2014-10-16 | 2015-01-28 | 哈尔滨汽轮机厂辅机工程有限公司 | A kind of feed-water heater adopting built-up welding processing technology tube sheet |
| CN204923975U (en) * | 2015-08-17 | 2015-12-30 | 中山市莎丽卫浴设备有限公司 | High -efficient used heat water heat exchanger device |
| CN205066540U (en) * | 2015-10-20 | 2016-03-02 | 四川五环石化装备有限公司 | High -efficient heat exchange tube of dipteron piece |
| CN105605952A (en) * | 2016-03-24 | 2016-05-25 | 成都科锐有色金属有限责任公司 | Double-channel wall-mounted heat exchanger |
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2016
- 2016-11-02 CN CN201610940375.5A patent/CN106409369B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106409369A (en) | 2017-02-15 |
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