CN206235196U - A kind of big coils steam generator device of upper end feedwater - Google Patents
A kind of big coils steam generator device of upper end feedwater Download PDFInfo
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- CN206235196U CN206235196U CN201621098533.9U CN201621098533U CN206235196U CN 206235196 U CN206235196 U CN 206235196U CN 201621098533 U CN201621098533 U CN 201621098533U CN 206235196 U CN206235196 U CN 206235196U
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Abstract
The utility model provides a kind of big coils steam generator device of upper end feedwater, including cylinder, and its upper end is connected with upper cover, and lower end is connected with low head, and inner housing is connected with madial wall, and inner housing and cylinder madial wall form primary Ioops ring cavity；The top of cylinder lateral wall is provided with water inlet section；Steam (vapor) outlet section is provided with the top of upper cover；Spiral heat exchange tube, it uses deep bid tubular construction, and upper end to be connected with steam (vapor) outlet section, and lower end is connected with the lower end of vertical straight length；Vertical straight length, its center for being located at spiral heat exchange tube, and upper end are connected with water inlet section.The big coils steam generator device of upper end feedwater described in the utility model, simple structure, heat exchange efficiency is high.Central space of the present utility model is made full use of, increases regenerator section length, reduce the height of cylinder.Additionally, controlling inflow by demarcation strip, power adjusting of the present utility model can be realized, O＆M is easy to operate.
Description
Technical field
The utility model belongs to nuclear equipment technical field, more particularly, to a kind of steam generator.
Background technology
The arrangement in reactor steam generator main feed water pipe road has two schemes substantially：(1) water-supply scheme under.To steam
When generator is overhauled, maintenance can be unfavorable for close to reactor core when admission port is located at lower end, and can be to the healthy of personnel
Threaten.(2) with water-supply scheme on the middle coil pipe to water manifold.The program breaks down in steam generator and overhauls and pass
During heat pipe, often overhauling a heat-transfer pipe needs in low head to two pipes are blocked at water manifold, and maintenance operation is complicated, and middle coil pipe
The heat exchange unit gap between them of structure is larger, and space availability ratio is not high, and heat exchange efficiency is low.To improve steam generator middle part
Space availability ratio, improves feed-water preheating, realizes power adjustable, facilitates operating maintenance, therefore propose structural design scheme of the invention.
Utility model content
In view of this, the utility model is directed to a kind of big coils steam generator device of upper end feedwater, to solve
In the prior art, equipment volume is larger, low space utilization, the cumbersome problem of maintenance process.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of big coils steam generator device of upper end feedwater, including cylinder, its upper end are connected with upper cover, and lower end is solid
Low head is connected to, inner housing is connected with madial wall, inner housing and cylinder madial wall form primary Ioops ring cavity；Cylinder lateral wall it is upper
Portion is provided with water inlet section；Steam (vapor) outlet section is provided with the top of upper cover；Spiral heat exchange tube, it uses deep bid tubular construction, and upper end
It is connected with steam (vapor) outlet section, lower end is connected with the lower end of vertical straight length；Vertical straight length, its center for being located at spiral heat exchange tube
Position, and upper end and water inlet section is connected.
Further, feed-water inlet tube sheet is connected with the water inlet section, some inlet openings is evenly distributed with thereon；Feedwater
Demarcation strip is additionally provided with import tube sheet, if inlet opening is separated into stem portion by demarcation strip.
Further, inlet opening is separated into the equal two parts of quantity by the demarcation strip.
Further, steam (vapor) outlet tube sheet is connected with the steam (vapor) outlet section, some steam holes is evenly distributed with thereon.
Further, the spiral heat exchange tube and vertical straight length are respectively the tube bank that some pipelines are formed, and respectively with institute
State steam hole corresponding with the inlet opening.
Further, the tubular construction that inner barrel described in the water inlet Duan Weixiang extends, its end passes through the inner housing,
And be connected with the vertical straight length by the connection tube bank affixed with the feed-water inlet tube sheet；Connection tube bank includes and feedwater
The affixed feedwater straight length of import tube sheet and the feedwater bend loss being connected with vertical straight length.
Further, the vertical straight length is connected by U-tube bundle with the spiral heat exchange tube, and U-tube bundle is by big pipe
Plate is fixed in the cylinder.
Further, the upper end of the spiral heat exchange tube is connected by top and restrains affixed with the steam (vapor) outlet tube sheet.
Relative to prior art, the big coils steam generator device that upper end described in the utility model is fed water has following
Advantage：
The big coils steam generator device of upper end feedwater described in the utility model, simple structure, heat exchange efficiency is high.Spiral shell
Rotation heat exchanger tube uses deep bid tubular construction, overcomes the defect not high of gap utilization rate between middle coil arrangement heat exchanging unit, from
Improve heat exchange in structure.By being arranged at the vertical straight length of spiral heat exchange tube center, make full use of of the present utility model
Central space, increases regenerator section length, reduces the height of cylinder.Additionally, controlling inflow by demarcation strip, this can be realized
The power adjusting of utility model, O＆M is easy to operate.
Brief description of the drawings
The accompanying drawing for constituting a part of the present utility model is used for providing being further understood to of the present utility model, and this practicality is new
The schematic description and description of type is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 is the main view of the big coils steam generator device of the upper end feedwater described in the utility model embodiment to section view
Figure；
Fig. 2 is the feed-water inlet pipe of the big coils steam generator device of the upper end feedwater described in the utility model embodiment
The left view of plate；
Fig. 3 is the steam outlet pipe of the big coils steam generator device of the upper end feedwater described in the utility model embodiment
The top view of plate.
Description of reference numerals：
1- cylinders；11- inner housings；12- primary Ioops ring cavities；13- water inlets section；14- upper covers；141- steam (vapor) outlets section；
15- low heads；2- steam (vapor) outlet tube sheets；21- steam holes；3- feed-water inlet tube sheets；31- inlet openings；32- demarcation strips；4- is vertical
Straight length；41- feedwater bend loss；42- feedwater straight lengths；43-U shapes are restrained；5- large tubesheets；6- spiral heat exchange tubes；61- tops connect
Adapter beam.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score,
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that the device or element of meaning with specific orientation, with specific azimuth configuration and operation, therefore must not be understood that
It is to limitation of the present utility model.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately
It is described, " multiple " is meant that two or more.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
Can be two connections of element internal.For the ordinary skill in the art, can be by concrete condition understanding
State concrete meaning of the term in the utility model.
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Such as Fig. 1-3, the utility model proposes a kind of big coils steam generator device of upper end feedwater, including cylinder 1, its
Upper end is connected with upper cover 14, and lower end is connected with low head 15, and inner housing 11, inner housing 11 and cylinder 1 are connected with madial wall
Madial wall forms primary Ioops ring cavity 12；The top of the side wall of cylinder 1 is provided with water inlet section 13；The top of upper cover 14 is provided with steam and goes out
Mouth section 141；Spiral heat exchange tube 6, it uses deep bid tubular construction, and upper end is connected with steam (vapor) outlet section 141, lower end and vertical straight tube
The lower end connection of section 4；Vertical straight length 4, its center for being located at spiral heat exchange tube 6, and upper end are connected with water inlet section 13.
Deep bid tubular construction is smaller in heat exchange efficiency identical situation lower volume relative to middle coil arrangement, can be effectively
Reduce the volume of cylinder 1.
Hot medium (coolant) from reactor core is entered into primary Ioops ring cavity 12 by pipeline, used as this practicality
New thermal source.
Feed-water inlet tube sheet 3 is connected with above-mentioned water inlet section 13, some inlet openings 31 are evenly distributed with thereon；Feed water into
Demarcation strip 32 is additionally provided with mouth tube sheet 3, if inlet opening 31 is separated into stem portion by demarcation strip 32.Above-mentioned demarcation strip 32 is by inlet opening
31 are separated into the equal two parts of quantity.Blocked by one of above-mentioned two parts inlet opening 31, be capable of achieving this
The Power operation of the load of utility model 50%, steam generator is with Power operation at full capacity if not blocking.
Steam (vapor) outlet tube sheet 2 is connected with above-mentioned steam (vapor) outlet section 141, some steam holes 21 are evenly distributed with thereon.
Above-mentioned spiral heat exchange tube 6 and vertical straight length 4 are respectively the tube bank that some pipelines are formed, and respectively with above-mentioned steam
Hole 21 and above-mentioned inlet opening 31 are corresponding.Pipe bundle structure increases effective heat exchange area, is favorably improved of the present utility model changing
The thermal efficiency.
Above-mentioned water inlet section 13 is that, to the tubular construction extended inside above-mentioned cylinder 1, its end passes through above-mentioned inner housing 11, and
Restrained by the connection affixed with above-mentioned feed-water inlet tube sheet 3 and be connected with above-mentioned vertical straight length 4；Connection tube bank includes and feedwater
The affixed feedwater straight length 42 of import tube sheet 3 and the feedwater bend loss 41 being connected with vertical straight length 4.
Above-mentioned vertical straight length 4 is connected by U-tube bundle 43 with above-mentioned spiral heat exchange tube 6, and U-tube bundle 43 passes through large tubesheet
5 are fixed in above-mentioned cylinder 1.Vertical straight length 4, U-tube bundle 43 and spiral heat exchange tube 6 cancel original to be welded to connect
To water manifold, enable to plugging process simpler, be easy to operation.
It is affixed with above-mentioned steam (vapor) outlet tube sheet 2 that the upper end of above-mentioned spiral heat exchange tube 6 connects tube bank 61 by top.
When using, the water of the main feed system from power plant passes sequentially through the He of feed-water inlet tube sheet 3 in water inlet section 13
Connection tube bank is entered into vertical straight length 4.Water in vertical straight length 4 is carried out by the hot medium in primary Ioops ring cavity 12
Preheating heating.Afterwards, the water after preheating is entered into spiral heat exchange tube 6 by U-tube bundle 43, and heat is absorbed in uphill process
The heat of state Medium Propagation is changed into superheated steam.Superheated steam passes sequentially through top connection tube bank 61 and the row of steam (vapor) outlet tube sheet 2
Go out, entered into steam turbine by main steam system, driving steam turbine is done manual work, drive electrical power generators.
The utility model break down need plugging when, it is only necessary to feed-water inlet tube sheet 3 and steam (vapor) outlet tube sheet 2 two
Divide and blocked, simplify maintenance operation, it is safe and reliable.
The big coils steam generator device of the above-mentioned upper end feedwater of the utility model, simple structure, heat exchange efficiency is high.Spiral shell
Rotation heat exchanger tube 6 uses deep bid tubular construction, overcomes the defect not high of gap utilization rate between middle coil arrangement heat exchanging unit, from
Improve heat exchange in structure.By being arranged at the vertical straight length 4 of the center of spiral heat exchange tube 6, the utility model is made full use of
Central space, increase regenerator section length, reduce cylinder 1 height.Additionally, inflow is controlled by demarcation strip 32, can
Power adjusting of the present utility model is realized, O＆M is easy to operate.
The utility model is applied not only on the steam generator of nuclear reactor, can also use the occasion exchanged heat at other,
On the heat exchange heat-transfer equipment of such as thermal power generation system or chemical industry.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (8)
1. the big coils steam generator device that a kind of upper end is fed water, it is characterised in that including：
Cylinder (1), its upper end is connected with upper cover (14), and lower end is connected with low head (15), inner housing is connected with madial wall
(11), inner housing (11) and cylinder (1) madial wall form primary Ioops ring cavity (12)；The top of cylinder (1) side wall is provided with water inlet
Section (13)；Steam (vapor) outlet section (141) is provided with the top of upper cover (14)；
Spiral heat exchange tube (6), it uses deep bid tubular construction, and upper end is connected with steam (vapor) outlet section (141), lower end and vertical straight tube
The lower end connection of section (4)；
Vertical straight length (4), its center for being located at spiral heat exchange tube (6), and upper end are connected with water inlet section (13).
2. the big coils steam generator device that upper end according to claim 1 is fed water, it is characterised in that：The water inlet
Feed-water inlet tube sheet (3) is connected with section (13), some inlet openings (31) are evenly distributed with thereon；On feed-water inlet tube sheet (3)
Demarcation strip (32) is additionally provided with, demarcation strip (32) is by inlet opening (31) if being separated into stem portion.
3. the big coils steam generator device that upper end according to claim 2 is fed water, it is characterised in that：The demarcation strip
(32) inlet opening (31) are separated into the equal two parts of quantity.
4. the big coils steam generator device that upper end according to claim 2 is fed water, it is characterised in that：The steam goes out
Steam (vapor) outlet tube sheet (2) is connected with mouth section (141), some steam holes (21) are evenly distributed with thereon.
5. the big coils steam generator device that upper end according to claim 4 is fed water, it is characterised in that：The spiral is changed
Heat pipe (6) and vertical straight length (4) are respectively the tube bank that some pipelines are formed, and respectively with the steam hole (21) and it is described enter
Water hole (31) is corresponding.
6. the big coils steam generator device that upper end according to claim 5 is fed water, it is characterised in that：The water inlet
Section (13) is that its end passes through the inner housing (11), and is given by with described to the tubular construction extended inside the cylinder (1)
The affixed connection tube bank of water inlet tube sheet (3) is connected with the vertical straight length (4)；Connection tube bank includes and feed-water inlet tube sheet
(3) affixed feedwater straight length (42) and the feedwater bend loss (41) being connected with vertical straight length (4).
7. the big coils steam generator device that upper end according to claim 5 is fed water, it is characterised in that：It is described vertical straight
Pipeline section (4) is connected by U-tube bundle (43) with the spiral heat exchange tube (6), and U-tube bundle (43) is fixed on by large tubesheet (5)
In the cylinder (1).
8. the big coils steam generator device that upper end according to claim 5 is fed water, it is characterised in that：The spiral is changed
It is affixed with the steam (vapor) outlet tube sheet (2) that the upper end of heat pipe (6) connects tube bank (61) by top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621098533.9U CN206235196U (en) | 2016-09-30 | 2016-09-30 | A kind of big coils steam generator device of upper end feedwater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621098533.9U CN206235196U (en) | 2016-09-30 | 2016-09-30 | A kind of big coils steam generator device of upper end feedwater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206235196U true CN206235196U (en) | 2017-06-09 |
Family
ID=58981963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621098533.9U Active CN206235196U (en) | 2016-09-30 | 2016-09-30 | A kind of big coils steam generator device of upper end feedwater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206235196U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403654A (en) * | 2016-09-30 | 2017-02-15 | 清华大学天津高端装备研究院 | Large-coiler steam generator device with water being fed at upper end |
-
2016
- 2016-09-30 CN CN201621098533.9U patent/CN206235196U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403654A (en) * | 2016-09-30 | 2017-02-15 | 清华大学天津高端装备研究院 | Large-coiler steam generator device with water being fed at upper end |
| CN106403654B (en) * | 2016-09-30 | 2019-12-20 | 中广核研究院有限公司 | Large coil pipe steam generator device with upper end supplying water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ye Liang Inventor after: Zhao Yueyang Inventor after: Liu Yongkang Inventor after: Yang Jue Inventor after: Liu Zhibin Inventor after: Zhang Chao Inventor after: Liu Qingsong Inventor after: Lu Guangyao Inventor after: Li Cheng Inventor after: Tang Shujian Inventor after: Zhou Jianming Inventor after: Yuan Jie Inventor after: Rui Min Inventor after: Zhou Guofeng Inventor before: Sheng Xuanyu Inventor before: Kong Wenwen Inventor before: Sun Jiaqi Inventor before: Wang Xinlei Inventor before: Cheng Yumin Inventor before: Ling Chen Inventor before: Yin Jiaomei Inventor before: Xu Yachen Inventor before: Yin Shicong Inventor before: Guo Bao Inventor before: Wang Liangjun Inventor before: Ge Yungui Inventor before: Shao Rong Inventor before: Liu Chuan Inventor before: Zhang Zhiqing |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171023 Address after: 518000 Guangdong province Futian District Shangbu Road West of the city of Shenzhen Shenzhen science and technology building, 15 Floor Patentee after: CHINA NUCLEAR POWER TECHNOLOGY RESEARCH INSTITUTE Address before: 300300 Dongli Lake Resort, Dongli District, Tianjin Patentee before: TSINGHUA UNIVERSITY TIANJIN HIGH-END EQUIPMENT RESEARCH INSTITUTE |
|
| TR01 | Transfer of patent right |