CN107270269A - Multiple-unit pipe type steam generator - Google Patents
Multiple-unit pipe type steam generator Download PDFInfo
- Publication number
- CN107270269A CN107270269A CN201710312043.7A CN201710312043A CN107270269A CN 107270269 A CN107270269 A CN 107270269A CN 201710312043 A CN201710312043 A CN 201710312043A CN 107270269 A CN107270269 A CN 107270269A
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- Prior art keywords
- sleeve
- heat exchange
- pressure inlet
- steam generator
- pipe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
- F22B31/08—Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D1/00—Details of nuclear power plant
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D1/00—Details of nuclear power plant
- G21D1/02—Arrangements of auxiliary equipment
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Plasma & Fusion (AREA)
- High Energy & Nuclear Physics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of multiple-unit pipe type steam generator, including container body, sleeve, baffle assembly and heat exchange unit；Chamber is formed between sleeve and container body inwall；Baffle assembly divides the chamber into epicoele and cavity of resorption；Container body is provided with the first pressure inlet and the second pressure inlet；The intake tunnel of second pressure inlet, epicoele, sleeve inner, inside heat exchange unit, the exhalant canal of cavity of resorption and the first pressure inlet is sequentially communicated to form primary side medium channel；Container body is sequentially communicated to be formed for secondary side medium to water manifold, the heat exchanger tube inner flow passage of heat exchange unit and steam chambers and carries out the secondary side medium channel of heat exchange by and with primary side medium provided with steam chambers and to water manifold.The present invention realizes the compact Layout between steam generator and pressure vessel and main pump.
Description
Technical field
The present invention relates to the multiple-unit pipes type steaming of nuclear power plant equipment technical field, more particularly to a kind of pressurized-water reactor nuclear power plant
Generator.
Background technology
At present, the steam generator of most of pressurized-water reactor nuclear power plants is inverted U pipe type steam generator, and it mainly includes
Steam-water separator and drier.Also, the main equipments such as existing steam generator and reactor pressure vessel, main pump are all with supervisor
Road is connected, and overall volume is larger, and integral arrangement space-consuming is big, is not suitable for the arrangement occasion of such as sea limited space.
The content of the invention
The technical problem to be solved in the present invention is that there is provided a kind of multiple-unit tubular type steam generation beneficial to compact Layout
Device.
The technical solution adopted for the present invention to solve the technical problems is：A kind of multiple-unit pipe type steam generator is provided,
Including closed container body, the sleeve being arranged in the container body, baffle assembly and multiple heat exchange units；The sleeve
A chamber is formed between the inwall of container body；The baffle assembly is located in the chamber, and the chamber is divided into and is separated by
Exhausted epicoele and cavity of resorption；Multiple heat exchange units are longitudinally arranged in the sleeve, and each heat exchange unit includes heat exchange
Runner and the heat exchanger tube being arranged in the heat exchange runner；
The side of the container body is provided with the first pressure inlet and the second pressure inlet；The water inlet of second pressure inlet is led to
Road, epicoele, sleeve inner, the heat exchange runner of heat exchange unit, the exhalant canal of cavity of resorption and first pressure inlet are sequentially communicated, shape
Into the primary side medium channel passed through for primary side medium；
The top of the container body is provided with steam chambers, and bottom is provided with to water manifold；It is described to give water manifold, heat exchange unit
Heat exchanger tube inner flow passage and steam chambers be sequentially communicated, formed for secondary side medium and to carry out hot friendship by and with primary side medium
The secondary side medium channel changed.
Preferably, the container body include cylinder, be connected to the cylinder upper end upper perforated plate, sealing cover described
Upper cover on upper perforated plate；The upper perforated plate is by the upper end closed of the cylinder；
Space between the upper cover and upper perforated plate forms the steam chambers, and the upper cover is provided with steam
Outlet and manhole.
Preferably, the multiple heat exchange units of correspondence are provided with multiple through holes on the upper perforated plate, and the heat exchange unit is changed
Inside heat pipe runner connects the steam chambers by the through hole.
Preferably, the container body also includes the low head for being connected to the cylinder lower end；The low head is provided with
Admission port, it is described to be connected to water manifold on the inside of the admission port, and be connected to by multiple feed pipes multiple described
Heat exchange unit.
Preferably, the support key and supporting plate provided with annular between the cylinder and low head；The support key is connected to
The inwall of the cylinder or low head, the supporting plate coordinates on the support key；The two ends of the sleeve connect institute respectively
State upper perforated plate and supporting plate.
Preferably, the upper end of the sleeve is communicated with the upper port of the sleeve inner and epicoele, the sleeve
End is communicated with the lower port of the sleeve inner and cavity of resorption.
Preferably, each heat exchange unit includes sleeve pipe, the heat exchanger tube being arranged in described sleeve pipe；Described sleeve pipe
The heat exchange runner is formed between inwall and the heat exchange pipe outer wall；The upper end of described sleeve pipe offers at least one window, even
Logical inside pipe casing and sleeve inner.
Preferably, the heat exchanger tube is spiral coil.
Preferably, it is also formed with the chamber by the baffle assembly in being isolated with the epicoele and cavity of resorption
Chamber, the lumen is located between the epicoele and cavity of resorption；
The exhalant canal of the intake tunnel of first pressure inlet, lumen and second pressure inlet is sequentially communicated, and is formed
The backwater channel that primary side medium back flow passes through.
Preferably, the baffle assembly is included between the upper and lower every the first relative dividing plate and second partition；The epicoele is with
Chamber is located at first dividing plate and the opposite side of second partition respectively, and the lumen is located at first dividing plate and second partition
Between.
Preferably, second pressure inlet and the first pressure inlet are oppositely disposed at the side of the container body, and
Second pressure inlet is higher than first pressure inlet in the horizontal plane.
Preferably, the multiple-unit pipe type steam generator also includes the first set being connected on first pressure inlet
Pipe, and/or it is connected to the second sleeve pipe of second pressure inlet；
The first sleeve includes the internal channel and outer tunnel being isolated；The inner channel-shaped of the first sleeve is into described
The intake tunnel of one pressure inlet, the exhalant canal of the outer channel-shaped of the first sleeve into first pressure inlet；
The steam generator also includes the internal channel and outer tunnel that second sleeve pipe includes being isolated；Described second set
The inner channel-shaped of pipe is into the intake tunnel of second pressure inlet, and the outer channel-shaped of second sleeve pipe is into second pressure inlet
Exhalant canal.
Beneficial effects of the present invention：1st, by unique passage design can realize steam generator and pressure vessel and
Compact Layout between main pump, arrangement has obvious advantage in the case of limited space.2nd, the secondary side of steam generator
For forced circulation, therefore secondary side is without free surface, is influenceed far smaller than inverted U pipes type steaming to occur by the operating mode such as waving
Device, extends applicability.
In addition, using spiral coil as heat exchanger tube, on the one hand can be with augmentation of heat transfer, the heat transfer area needed for reducing is carried
High heat exchange efficiency, the problem of on the other hand can solving the thermal expansion difference between heat-transfer pipe and tube sheet, is conducive to overcoming thermal stress
Problem.When heat exchanger tube occurs damaged plugging can be carried out to occurring damaged single heat exchange tube.Feed water from below, beneficial to steam
The emptying of generator, while having more preferable security under accident conditions.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the cross-sectional view of the multiple-unit pipe type steam generator of one embodiment of the invention；
Fig. 2 is the radial section structural representation of the multiple-unit pipe type steam generator of one embodiment of the invention.
Embodiment
In order to which technical characteristic, purpose and effect to the present invention are more clearly understood from, now compare accompanying drawing and describe in detail
The embodiment of the present invention.
As shown in figure 1, the multiple-unit pipe type steam generator of one embodiment of the invention, including closed container body 10,
It is arranged on sleeve 20, baffle assembly 30 and multiple heat exchange units 40 in container body 10.Wherein, sleeve 20 and container body 10
Inwall between form a chamber 101；Baffle assembly 30 is arranged in chamber 101, and chamber 101 is divided into the epicoele being isolated
1011 and cavity of resorption 1013.Multiple heat exchange units 40 are longitudinally arranged in sleeve 20.
The side of container body 10 is provided with the first pressure inlet 11 and the second pressure inlet 12, and main pump and pressure can be connected respectively
Container.The intake tunnel 121 of second pressure inlet 12, epicoele 1011, inside sleeve 20, the heat exchange runner of heat exchange unit 40, cavity of resorption
1013 and first the exhalant canal 112 of pressure inlet 11 be sequentially communicated, form the primary side medium passed through for primary side medium and lead to
Road；The circulation of primary side medium can be as shown in solid arrow in figure.
Container body 10 is provided with steam chambers 102 and to water manifold 103；Heat exchange to water manifold 103, heat exchange unit 40
The inner flow passage of pipe 42 and steam chambers 102 are sequentially communicated, and are formed and are supplied secondary side medium to carry out hot friendship by and with primary side medium
The secondary side medium channel changed；Secondary side after heat exchange feeds water to form superheated steam, is exported from steam chambers 102.
Further, it is also formed with what is be isolated with epicoele 1011 and cavity of resorption 1013 by baffle assembly 30 in chamber 101
Lumen 1012, lumen 1012 is located between epicoele 1011 and cavity of resorption 1013.Intake tunnel 111, the lumen of first pressure inlet 11
1013 and second the exhalant canal 122 of pressure inlet 12 be sequentially communicated, form the backwater channel that primary side medium back flow passes through.Once
The backflow of side medium can be as indicated by the dashed arrow in fig. 1.
In the present embodiment, container body 10 include cylinder 13, be connected to the upper end of cylinder 13 upper perforated plate 14, sealing cover
Upper cover 15 on upper perforated plate 14；Upper perforated plate 14 is by the upper end closed of cylinder 13.Space between upper cover 15 and upper perforated plate 14
Steam chambers 102 are formed, so that steam chambers 102 are located at the top of container body 10.Upper cover 15 is provided with steam (vapor) outlet
151, to export superheated steam；Upper cover 15 is provided with manhole 152, to overhaul.
Alternatively, upper perforated plate 14 can be locked at the upper end of cylinder 13 by bolt assembly, and upper cover 15 can pass through bolt
Component is covered in the upper end of cylinder 13, is easy to open.
The multiple heat exchange units 40 of correspondence are provided with multiple through holes, the inner flow passage of heat exchanger tube 42 of heat exchange unit 40 on upper perforated plate 14
Steam chambers 102 are connected by through hole, so that the superheated steam that the internal cause heat exchange of heat exchange unit 40 is produced can collect in vapor chamber
In room 102.
Container body 10 also includes the low head 18 for being connected to the lower end of cylinder 13, by the lower end closed of cylinder 13；Low head
18 inner space 180 can be connected with the inner space of cylinder 13.Low head 18 is provided with admission port 181, is connected to water manifold 103
In the inner side of admission port 181, and multiple heat exchange units 40 are connected to by multiple feed pipes 50.
Support key 17 provided with supporting plate 16 and annular between cylinder 13 and low head 18, support key 17 is attached to cylinder
13 or the inwall of low head 18, supporting plate 16 coordinates on support key 17.The two ends of sleeve 20 connect upper perforated plate 14 and branch respectively
Fagging 16, Stability Analysis of Structures.
Alternatively, low head 18 can be fixed by welding in the bottom of cylinder 13, can also be integrally formed with cylinder 13.Under
Weep hole 19 can be also provided with end socket 18, hydrophobic effect is played.
To water manifold 103 in the setting of the bottom of container body 10, feed water from below, beneficial to the emptying of steam generator, together
When under accident conditions have more preferable security.
Sleeve 20 surrounds multiple heat exchange units 40 in container body 10, and is collectively defined with container body 10
One chamber 101.The upper end of sleeve 20 is communicated with the upper port 21 of the inside of sleeve 20 and epicoele 1011, logical for primary side medium
Cross into inside sleeve 20；The lower end of sleeve 20 is communicated with the lower port (not shown) of the inside of sleeve 20 and cavity of resorption 1013, supplies
Primary side medium outflow inside sleeve 20.
In the present embodiment, baffle assembly 30 is included between the upper and lower every the first relative dividing plate 31 and second partition 32；Lumen
1012 form between the first dividing plate 31 and second partition 32；Epicoele 1011 and cavity of resorption 1013 are located at the first dividing plate 31 and the respectively
The opposite side of two dividing plates 32.Baffle assembly 30 is preferably toroidal membrane component.The inner circumferential of first dividing plate 31 and second partition 32
Side is fixed in the outside wall surface of sleeve 20, and the outer circumferential side of the first dividing plate 31 and second partition 32 can be coordinated by seal assembly to be held
On the internal face of cylinder 13 of device main body 10.With reference to primary side medium channel, backwater channel, the second pressure inlet 12 and the first pressure inlet
In 11 setting, the present embodiment, as shown in fig. 1, the first dividing plate 31 correspondence is located at second in the top of the first pressure inlet 11
Between the intake tunnel 121 and exhalant canal 122 of pressure inlet 12；Second partition 32 is then corresponded in the lower section of the second pressure inlet 12,
And between the intake tunnel 111 and exhalant canal 112 of the first pressure inlet 11.
For there was only the embodiment of epicoele 1011 and cavity of resorption 1013 in chamber 101, baffle assembly 30 includes an annular
Dividing plate.
As shown in Fig. 2 multiple heat exchange units 40 triangular in shape can wait polygonal array, multi-turn arrangement etc. many in sleeve 20
The mode of kind.The upper and lower ends of heat exchange unit 40 are supported respectively to be connected on upper perforated plate 14 and supporting plate 16, stable with reinforcement structure
Property.
Again as shown in figure 1, illustrated therein is the structure of the heat exchange unit 40 positioned at the middle part of sleeve 20, other multiple heat exchange are single
Member 40 is omitted not shown.Each heat exchange unit 40 includes sleeve pipe 41, the heat exchanger tube 42 being arranged in sleeve pipe 41.In sleeve pipe 41
Heat exchange runner is formed between wall and the outer wall of heat exchanger tube 42, is passed through for primary side medium, is entered with the secondary side medium in heat exchanger tube 42
Row heat exchange.The upper end of sleeve pipe 41 offers at least one window, to connect inside the inside of sleeve pipe 41 and sleeve 20 so that enter set
Primary side medium inside cylinder 20 passes through in window sleeve pipe 41.The upper end of heat exchanger tube 42 is connected by the through hole of upper perforated plate 14
Steam chambers 102, the lower end of heat exchanger tube 42 is communicated to water manifold 103 by feed pipe 50, so that secondary side feeds water from heat exchange
The lower end of pipe 42 enters its inner flow passage, from bottom to top with by the primary side medium heat exchange in sleeve pipe 41, progressively becoming overheat
Steam, is pooled in steam chambers 102 from upper end.What steam chambers 102 were exported is superheated steam, therefore need not carry out carbonated drink point
From and dry, simplify steam generator structure.
In addition, the setting to water manifold 103 and feed pipe 50 in low head 18, feedwater is directly by water manifold 103
The inner flow passage of heat exchanger tube 42 of heat exchange unit 40 is passed to feed pipe 60, without to water manifold 103 and the outside of feed pipe 60
Low head 18 inner space 180.For this kind of mode, the inner space 180 of low head 18 can with inside sleeve 20, sleeve pipe
41 inside are connected with cavity of resorption 1013 so that inside entrance sleeve 20, the primary side medium inside sleeve pipe 41 is by inner space 180
To cavity of resorption 1013, then flow upward to from cavity of resorption 1013 exhalant canal 112 of pump side pressure inlet 11.To water manifold 103 and feed pipe
The secondary side feedwater of 60 conveyings can be preheated with the preliminary heat exchange of primary side medium in inner space 180.
Heat exchange unit 40 can be helix tube heat exchange unit, and heat exchanger tube 42 therein is spiral coil.Spiral shell in heat exchange unit 40
The setting of capstan pipe, on the one hand can be with augmentation of heat transfer compared to the heat exchanger tube of U-tube formula, the heat transfer area needed for reducing, in addition
The problem of thermal expansion difference between heat-transfer pipe and tube sheet can be solved, is conducive to overcoming thermal stress issues.Spiral coil occurs broken
During damage, plugging operation can be carried out to spiral coil in the upper and lower part of steam generator respectively, with preferably overhauling reachable
Property.
Further, with reference to Fig. 1,2, in order to improve positioning and stability of multiple heat exchange units 40 in sleeve 20, set
At least one dividing plate 22 is additionally provided with cylinder 20, dividing plate 22 is horizontal in sleeve 20, and multiple heat exchange units 40 are each passed through dividing plate 22.
When multiple dividing plates 22 are set, axially spaced-apart distribution of multiple dividing plates 22 along sleeve 20.
The shape of dividing plate 22 correspondence sleeve 20 inner circumferential shape is set, and can be a tight fit in wherein, it is to avoid slided up and down.Dividing plate
22 pass through provided with multiple perforation for heat exchange unit 40.
In the present invention, the heat exchanger tube 42 of heat exchange unit 40 can carry out plugging when damaged, and maintenance difficulty is smaller, possesses good
Overhaul accessibility and exploitativeness.The specific method of operation is as follows：1. taking apart to the flange on water manifold 50, pass through plugging instrument
The arrival end for exchanging heat pipe 42 carries out plugging；2. opening the manhole 152 of upper cover 15, heat pipe 42 is exchanged using special instrument
The port of export carries out plugging.
In the present embodiment, the second pressure inlet 12 and the first pressure inlet 11 are oppositely disposed at the side of container body 10, and
And second pressure inlet 12 in the horizontal plane be higher than the first pressure inlet 11.It should be understood that in certain embodiments, the second pressure inlet
12 and first pressure inlet 11 can also be arranged on same pressure inlet simultaneously for same pressure inlet, i.e. intake tunnel and exhalant canal
In, now, the intake tunnel of pressure inlet, epicoele, sleeve inner, the heat exchange runner of heat exchange unit, the water outlet of cavity of resorption and pressure inlet
Passage is sequentially communicated, and forms the primary side medium channel passed through for primary side medium.
Further, multiple-unit pipe type steam generator also includes the first sleeve 70 being connected on the first pressure inlet 11.
First sleeve 70 includes the internal channel and outer tunnel that are isolated, inner channel-shaped into the first pressure inlet 11 intake tunnel 111, it is outer logical
The exhalant canal 112 of the first pressure inlet 11 of road formation.Internal channel and outer tunnel can socket-connect inside and outside inner and outer tubes to be formed.The
The internal channel and outer tunnel of sleeve 70 also can be in setting up and down.
Steam generator also includes the second sleeve pipe 80 for being connected to the second pressure inlet 12.Second sleeve pipe 80 includes what is be isolated
Internal channel and outer tunnel, inner channel-shaped is into the intake tunnel 121 of the second pressure inlet 12, and outer channel-shaped goes out into the second pressure inlet 12
Aquaporin 122.Internal channel and outer tunnel can socket-connect inside and outside inner and outer tubes to be formed.The internal channel of second sleeve pipe 80 and outer logical
Road also can be in setting up and down.
The sleeve pipe 80 of first sleeve 70 and second can be set to short sleeve by the control of length, and steam generator passes through short set
Pipe is connected with main pump and pressure vessel respectively, forms compact Layout, has obvious advantage in the case of limited space, is applicable
In the arrangement occasion of the limited spaces such as such as sea.
During the steam generator work of the present invention, carry out internal channel of the primary side high-temperature water through the second sleeve pipe 80 of autothermal reactor
The epicoele 1011 that (intake tunnel 121 of the second pressure inlet 12) enters in container body 10, is flowed up, and is passed through after reaching top
Upper port 21 enters inside the sleeve pipe 41 of the inside of sleeve 20 and heat exchange unit 40, turns back and flows downward, in changing for heat exchange unit 40
The secondary side medium that flowing is transferred heat in the inner flow passage of heat exchanger tube 42 from top to bottom between the tube bank of each layer of heat pipe 42 is (secondary
Feed water side), feedwater is heated into superheated steam.
Cavity of resorption 1013 is flowed to through lower port after reaching the bottom of heat exchange unit 40 after the heat exchange of primary side high-temperature water, is flowed up,
Enter main pump from the exhalant canal 112 of the first pressure inlet 11, the primary side water after being pressurizeed through main pump enters through the first pressure inlet 11
(the second sleeve pipe of exhalant canal 122 of aquaporin 111 (internal channel of first sleeve 70), the pressure inlet 12 of lumen 1012 and second
80 outer tunnel) enter inside pressure vessel, return to reactor core and reheat.
Secondary side feedwater container body 10 bottom is assigned to each heat exchange unit to water manifold 103 and feed pipe 60
40, spiral is progressively heated as superheated steam by subcooled water upwards, exports, enters from jet chimney after steam header 102 collects
Enter the generating of secondary circuit driving steam turbine.
In the steam generator of the present invention, secondary side uses forced circulation, therefore secondary side is without free surface, is waved
Far smaller than inverted U pipe type steam generator is extended applicability by the influence of operating mode.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (12)
1. a kind of multiple-unit pipe type steam generator, it is characterised in that including closed container body, be arranged on the container master
Internal sleeve, baffle assembly and multiple heat exchange units；A chamber is formed between the inwall of the sleeve and container body；It is described
Baffle assembly is located in the chamber, and the chamber is divided into the epicoele and cavity of resorption being isolated；Multiple heat exchange unit longitudinal directions
It is arranged in the sleeve, each heat exchange unit includes heat exchange runner and the heat exchange being arranged in the heat exchange runner
Pipe；
The side of the container body is provided with the first pressure inlet and the second pressure inlet；The intake tunnel of second pressure inlet,
Epicoele, sleeve inner, the heat exchange runner of heat exchange unit, the exhalant canal of cavity of resorption and first pressure inlet are sequentially communicated, and are formed
The primary side medium channel passed through for primary side medium；
The top of the container body is provided with steam chambers, and bottom is provided with to water manifold；It is described to be changed to water manifold, heat exchange unit
Inside heat pipe runner and steam chambers are sequentially communicated, and are formed and are supplied secondary side medium to carry out heat exchange by and with primary side medium
Secondary side medium channel.
2. multiple-unit pipe type steam generator according to claim 1, it is characterised in that the container body includes cylinder
Body, the upper perforated plate for being connected to the cylinder upper end, sealing cover the upper cover on the upper perforated plate；The upper perforated plate will be described
The upper end closed of cylinder；
Space between the upper cover and upper perforated plate forms the steam chambers, and the upper cover goes out provided with steam
Mouthful.
3. multiple-unit pipe type steam generator according to claim 2, it is characterised in that correspondence is multiple on the upper perforated plate
The heat exchange unit is provided with multiple through holes, and the heat exchanger tube inner flow passage of the heat exchange unit connects the steam by the through hole
Chamber.
4. multiple-unit pipe type steam generator according to claim 2, it is characterised in that the container body also includes connecting
It is connected on the low head of the cylinder lower end；The low head is provided with admission port, described to be connected to the feedwater connection to water manifold
On the inside of the admission port of case, and multiple heat exchange units are connected to by multiple feed pipes.
5. multiple-unit pipe type steam generator according to claim 4, it is characterised in that between the cylinder and low head
Support key and supporting plate provided with annular；The support key is connected to the inwall of the cylinder or low head, and the supporting plate is matched somebody with somebody
Close on the support key；The two ends of the sleeve connect the upper perforated plate and supporting plate respectively.
6. multiple-unit pipe type steam generator according to claim 1, it is characterised in that the upper end of the sleeve is provided with company
Lead to the upper port of the sleeve inner and epicoele, the lower end of the sleeve is communicated with the sleeve inner and the lower of cavity of resorption leads to
Mouthful.
7. multiple-unit pipe type steam generator according to claim 1, it is characterised in that each heat exchange unit includes
Sleeve pipe, the heat exchanger tube being arranged in described sleeve pipe；Changed described in being formed between described sleeve pipe inwall and the heat exchange pipe outer wall
Hot flow path；The upper end of described sleeve pipe offers at least one window, connection inside pipe casing and sleeve inner.
8. multiple-unit pipe type steam generator according to claim 7, it is characterised in that the heat exchanger tube is helical disk
Pipe.
9. multiple-unit pipe type steam generator according to claim 1, it is characterised in that in the chamber by it is described every
Board component is also formed with the lumen being isolated with the epicoele and cavity of resorption, and the lumen is located between the epicoele and cavity of resorption；
The exhalant canal of the intake tunnel of first pressure inlet, lumen and second pressure inlet is sequentially communicated, and is formed once
The backwater channel that side medium back flow passes through.
10. multiple-unit pipe type steam generator according to claim 9, it is characterised in that the baffle assembly includes upper
Lower interval relative the first dividing plate and second partition；The epicoele and cavity of resorption are located at first dividing plate and second partition phase respectively
The side of the back of the body, the lumen is located between first dividing plate and second partition.
11. multiple-unit pipe type steam generator according to claim 1, it is characterised in that second pressure inlet and
One pressure inlet is oppositely disposed at the side of the container body, and second pressure inlet is in the horizontal plane higher than described the
One pressure inlet.
12. the multiple-unit pipe type steam generator according to claim any one of 1-11, it is characterised in that the multiple-unit
Pipe type steam generator also includes the first sleeve being connected on first pressure inlet, and/or is connected to second adapter
Second sleeve pipe of mouth；
The first sleeve includes the internal channel and outer tunnel being isolated；The inner channel-shaped of the first sleeve connects into described first
The intake tunnel of ozzle, the exhalant canal of the outer channel-shaped of the first sleeve into first pressure inlet；
The steam generator also includes the internal channel and outer tunnel that second sleeve pipe includes being isolated；Second sleeve pipe
Inner channel-shaped is into the intake tunnel of second pressure inlet, outer channel-shaped the going out into second pressure inlet of second sleeve pipe
Aquaporin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710312043.7A CN107270269A (en) | 2017-05-05 | 2017-05-05 | Multiple-unit pipe type steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710312043.7A CN107270269A (en) | 2017-05-05 | 2017-05-05 | Multiple-unit pipe type steam generator |
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| CN107270269A true CN107270269A (en) | 2017-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710312043.7A Pending CN107270269A (en) | 2017-05-05 | 2017-05-05 | Multiple-unit pipe type steam generator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108062985A (en) * | 2017-12-28 | 2018-05-22 | 中广核研究院有限公司 | For the pressure vessel of reactor |
| CN108257686A (en) * | 2017-12-28 | 2018-07-06 | 中广核研究院有限公司 | Reactor, reactor main equipment and the water proof ring for reactor main equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4983353A (en) * | 1989-03-13 | 1991-01-08 | General Electric Company | Novel passive approach to protecting the primary containment barrier formed by the intermediate heat exchanger from the effects of an uncontrolled sodium water reaction |
| CN204665240U (en) * | 2015-03-10 | 2015-09-23 | 中科华核电技术研究院有限公司 | Steam generator water chamber head structure |
| CN105913882A (en) * | 2016-07-05 | 2016-08-31 | 上海核工程研究设计院 | Water chamber seal head cavity structure of steam generator |
| CN205881477U (en) * | 2016-07-05 | 2017-01-11 | 上海核工程研究设计院 | Reactor return circuit owner's equipment |
-
2017
- 2017-05-05 CN CN201710312043.7A patent/CN107270269A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4983353A (en) * | 1989-03-13 | 1991-01-08 | General Electric Company | Novel passive approach to protecting the primary containment barrier formed by the intermediate heat exchanger from the effects of an uncontrolled sodium water reaction |
| CN204665240U (en) * | 2015-03-10 | 2015-09-23 | 中科华核电技术研究院有限公司 | Steam generator water chamber head structure |
| CN105913882A (en) * | 2016-07-05 | 2016-08-31 | 上海核工程研究设计院 | Water chamber seal head cavity structure of steam generator |
| CN205881477U (en) * | 2016-07-05 | 2017-01-11 | 上海核工程研究设计院 | Reactor return circuit owner's equipment |
Non-Patent Citations (1)
| Title |
|---|
| 秦长平: "《紧凑式小型反应堆直流盘管蒸汽发生器热工水力研究》", 《中国优秀硕士论文全文数据库工程科技Ⅱ辑》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108062985A (en) * | 2017-12-28 | 2018-05-22 | 中广核研究院有限公司 | For the pressure vessel of reactor |
| CN108257686A (en) * | 2017-12-28 | 2018-07-06 | 中广核研究院有限公司 | Reactor, reactor main equipment and the water proof ring for reactor main equipment |
| CN108062985B (en) * | 2017-12-28 | 2024-05-10 | 中广核研究院有限公司 | Pressure vessel for a reactor |
| CN108257686B (en) * | 2017-12-28 | 2024-05-10 | 中广核研究院有限公司 | Reactor, reactor main equipment and water-proof ring for reactor main equipment |
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