CN207350816U - Solar energy thermo-power station high-pressure heater - Google Patents
Solar energy thermo-power station high-pressure heater Download PDFInfo
- Publication number
- CN207350816U CN207350816U CN201720737244.7U CN201720737244U CN207350816U CN 207350816 U CN207350816 U CN 207350816U CN 201720737244 U CN201720737244 U CN 201720737244U CN 207350816 U CN207350816 U CN 207350816U
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- CN
- China
- Prior art keywords
- pipe
- shell
- feedwater
- tube
- heat exchange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of solar energy thermo-power station high-pressure heater, includes the shell of tubular construction, the end socket for being provided at both ends with semi-spherical shape of the shell, the intake chamber being separated into pass partition and water-supplying chamber are both provided with the both ends of shell；The circular collecting box pipe coaxial with shell is set in the shell where between two pass partitions, and the circle collecting box pipe both ends are equipped with tube sheet, and circular header tube cavity is divided into superheated steam cooling section by tube sheet, condenses section and hydrophobic cooling section；Some snakelike heat exchange tubes are provided between the tube sheet, described snakelike heat exchange tube one end is connected with the feedwater outlet pipe in superheated steam cooling section, the other end of the snakelike heat exchange tube with the feedwater water inlet pipe in hydrophobic cooling section.Due to circular collecting box pipe, thickness ratio tube plate structure is much smaller under identical stress condition, reduces concentrated stress, and the free latitude of snakelike heat exchange tube, the thermal stress of generation is almost 0, improves equipment dependability.
Description
Technical field
It the utility model is related to high-pressure heater technical field, more particularly to a kind of solar energy thermo-power station hyperbaric heating
Device.
Background technology
Feed-water heater is a kind of steam higher using uneven shell-side temperature to heat the heat exchange of the relatively low feedwater of tube side temperature
Device.Wherein U-shaped tube type pressure heater is the important equipment for improving power station heat recovery efficiency.Conventional solar energy thermo-power station is high
Press heater low there are heat exchange efficiency, its heat exchanger tube is thin wall U shape pipe, and local stress causes U-tube to damage very much greatly at tube sheet joint
It is bad.
Utility model content
To overcome disadvantages mentioned above, it is hardly damaged the purpose of this utility model is to provide a kind of heat exchanger tube and heat exchange efficiency is high
Solar energy thermo-power station high-pressure heater.
In order to reach object above, the technical solution adopted in the utility model is：A kind of solar energy thermo-power station high pressure
Heater, includes the shell of tubular construction, the end socket for being provided at both ends with semi-spherical shape of the shell, is all provided with the both ends of shell
Pass partition is equipped with, intake chamber and water-supplying chamber are formed respectively between pass partition end socket adjacent thereto；The intake chamber
Steam inlet and hydrophobic import are inside provided with, hydrophobic water outlet is provided with the water-supplying chamber；Between two pass partitions
The circular collecting box pipe coaxial with shell is set in the shell at place, and the circle collecting box pipe both ends are equipped with tube sheet, and pass through tube sheet
Circular header tube cavity is divided into superheated steam cooling section, condenses section and hydrophobic cooling section；It is provided between the tube sheet some
Snakelike heat exchange tube, described snakelike heat exchange tube one end and the feedwater outlet pipe in superheated steam cooling section, the snakelike heat exchange tube
The other end is connected with the feedwater water inlet pipe in hydrophobic cooling section.
Due to circular collecting box pipe, thickness ratio tube plate structure is much smaller under identical stress condition, and the utility model passes through circle
The design of collecting box pipe and snakelike heat exchange tube, reduces concentrated stress, and the free latitude of snakelike heat exchange tube, the thermal stress of generation are several
It is 0, improves equipment dependability.
Preferably, in order to improve the heat transfer effect of snakelike heat exchange tube, spiral shell is provided with the outer tube wall of the snakelike heat exchange tube
Revolve the radiating fin of shape.Pass through the heat exchange efficiency for increasing the heat exchange area of snakelike heat exchange tube to improve overall.
Preferably, the radiating fin on adjacent two snakelike heat exchange tubes is interspersed.Pass through the radiating fin being interspersed
The flow velocity of hot steam can be significantly reduced, improves equivalent hot steam and radiating fin and the heat exchanger time of snakelike heat exchange tube,
And then improve overall heat exchange efficiency.
It is the feedwater outlet pipe and the S-shaped structure outside circular collecting box pipe as further improvement of the utility model
Water supply and drainage pipe is connected；The feedwater water inlet pipe is connected with the feedwater exhaust pipe of the S-shaped structure outside circular collecting box pipe；It is described
High temperature knot is respectively arranged with shell where feedwater outlet pipe, water supply and drainage pipe, feedwater exhaust pipe and water inlet pipe periphery of feeding water
Casing made of structure ceramic, the end of described sleeve pipe are equipped with the pipe cap being fixed.By the way that water supply and drainage pipe and feedwater are vented
Pipe is designed to S-shaped shape, buffers the impact force of the sealed tube of connecting portion, and above-mentioned pipe is prevented by casing made of ceramics
Sub- connecting portion occurs loosening and crack, causes to reveal, and influences the use of high-pressure heater.
Preferably, for the ease of management high-pressure heater, some ports are added on high-pressure heater, it is specific as follows：
First row gas port, second liquid level gauge interface, gauge port, second exhaust are provided with shell where condensing outside section
Mouth, relief valve port, first liquid level gauge interface and drain mouth；First row gas port, gauge port, second exhaust port and the safety valve
Mouth is arranged on the top of shell, the first liquid level gauge interface and drains the bottom that mouth is arranged on shell, the second liquid level gauge
Interface is arranged on the middle part of shell.By the setting of above-mentioned port, easy to monitor the pressure of high-pressure heater, level condition, protect
Hold high-pressure heater and be in reasonable interval.
Preferably, the outer casing bottom is provided with the bearing being fixed, and lifting lug is provided at both ends with the top of the shell.
It is easy to the carrying and use of high-pressure heater by bearing and lifting lug.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is that the right side of the utility model regards schematic diagram.
In figure：
1- shells；2- casings；3- pipe caps；4- end sockets；The hydrophobic water outlets of 5-；6- pass partitions；7- feedwater water inlet pipes；8- branch
Seat；9- first liquid level gauge interfaces；10- drains mouth；11- heat exchanger tubes；12- water supply and drainage pipes；13- steam inlets；14- feedwater water outlets
Pipe；15- lifting lugs；16- feedwater exhaust pipes；17- first row gas ports；18- second liquid level gauge interfaces；19- gauge ports；20- second
Exhaust outlet；21- relief valve ports；The hydrophobic imports of 22-.
Embodiment
The preferred embodiment to the utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, so as to make the scope of protection of the utility model apparent clear and definite
Define.
Referring to shown in attached drawing 1, Fig. 2, a kind of solar energy thermo-power station high-pressure heater in the present embodiment, including tubular
The shell 1 of structure, the shell 1 are provided at both ends with hemispherical or other shapes of end socket 4, are all provided with the both ends of shell 1
Pass partition 6 is equipped with, intake chamber and water-supplying chamber are formed respectively between the pass partition 6 end socket 4 adjacent thereto.The water inlet
Interior is provided with steam inlet 13 and hydrophobic import 22, and steam inlet 13 is directly connected to steam, steam is directed into intake chamber；
The hydrophobic import 22 is used for the hydrophobic carry out UTILIZATION OF VESIDUAL HEAT IN for producing the high-pressure heater being attached thereto.Set in the water-supplying chamber
It is equipped with hydrophobic water outlet 5.Circular collecting box pipe, the circle collecting box pipe are set in the shell 1 where between two pass partitions 6
It is coaxially disposed with shell 1, and two tube sheets is equipped with circular collecting box pipe, and was divided into circular header tube cavity by tube sheet
Hot steam cooling section, condense section and hydrophobic cooling section, wherein condensing section accounts for the 70~85% of high pressure heat exchanger heat exchange area.
Heat exchanger tube 11 is provided between two tube sheets, the heat exchanger tube 11 uses snakelike heat exchange tube, due to circular header
Pipe thickness ratio tube plate structure under identical stress condition is much smaller, reduces concentrated stress, and the free latitude of snakelike heat exchange tube,
The thermal stress of generation is almost 0, improves equipment dependability.In order to improve heat exchange performance, in the outer tube wall of snakelike heat exchange tube
On be provided with spiral helicine radiating fin, increase heat exchange area, while can also reduce the flow velocity of hot steam, make itself and heat exchange
Pipe comes into full contact with.When the radiating fin on adjacent two snakelike heat exchange tubes is interspersed, the stream of low-heat steam can be more reduced
Speed, improves overall heat-exchange capacity.
Feedwater outlet pipe 14 is provided with the superheated steam cooling section, the feedwater outlet pipe 14 is from the top of shell 1
It is inserted into circular collecting box pipe, and is weldingly connected with the tube wall of circular collecting box pipe, the lower end of the feedwater outlet pipe 14 and circle
The water supply and drainage pipe 12 of S-shaped structure is connected outside collecting box pipe, and the water supply and drainage pipe 12 is extended downward into outside shell 1.
Feedwater water inlet pipe 7 is provided with the hydrophobic cooling section, the feedwater water inlet pipe 7 is inserted upwards from the lower part of shell 1
Enter to circular collecting box pipe, and be weldingly connected with the tube wall of circular collecting box pipe；The upper end of the feedwater water inlet pipe 7 and circular header
The feedwater exhaust pipe 16 of S-shaped structure is connected outside pipe, and the feedwater exhaust pipe 16 is extended upwardly to outside shell 1.
It is steady when feedwater outlet pipe 14, water supply and drainage pipe 12, feedwater exhaust pipe 16 and the water inlet pipe 7 that feeds water are run in order to improve
It is qualitative, divide on the shell 1 where feedwater outlet pipe 14, water supply and drainage pipe 12, feedwater exhaust pipe 16 and 7 periphery of water inlet pipe of feeding water
Casing 2 made of high-temperature structural ceramics are not provided with, and the pipe cap 3 being fixed is equipped with the end of casing 2.Pass through high temperature knot
Casing 2 made of structure ceramic mitigates vibrations caused by equipment operation and feedwater outlet pipe 14, water supply and drainage pipe 12, feedwater is vented
The influence of pipe 16 and feedwater water inlet pipe 7, prevents that above-mentioned tube connection part position from occurring loosening and crack, causes to reveal, influences high pressure
The use of heater.At the same time in convergence part, feedwater outlet pipe 14 and the water supply and drainage pipe of feedwater exhaust pipe 16 and the water inlet pipe 7 that feeds water
Both can be generally connected by 12 convergence part using sealed tube, by the way that water supply and drainage pipe 12 and feedwater exhaust pipe 16 are designed to
S-shaped shape, impact of the vibrations to sealed tube when can also buffer operation, improves the sealing performance of sealed tube.
First row gas port 17, second liquid level gauge interface 18, pressure gauge are provided with shell 1 where condensing outside section
Mouthfuls 19, second exhaust port 20, relief valve port 21, first liquid level gauge interface 9 and mouth 10 is drained, 9 He of first liquid level gauge interface
Second liquid level gauge interface 18 is connected with liquid level gauge respectively, for measuring the water level in high-pressure heater.Gauge port 19 and pressure
Table is connected, for measuring the pressure in high-pressure heater.The first row gas port 17 is continuous exhaust pneumatic wallop mouth, and second exhaust port 20 is
Single exhaust outlet, is depressured high-pressure heater by two exhaust outlets when hypertonia.The mouth 10 that drains is used for height
The port that steam drains in pressure heater, can use when high-pressure heater needs maintenance.As shown in Figure 1, the first exhaust
Mouth 17, gauge port 19, second exhaust port 20 and relief valve port 21 are arranged on the top of shell 1, the first liquid level gauge interface 9
With the bottom for draining mouth 10 and being arranged on shell 1, the second liquid level gauge interface 18 is arranged on the middle part of shell 1.
1 bottom of shell is provided with the bearing 8 being fixed, and lifting lug 15 is provided at both ends with the top of shell 1, convenient
High-pressure heater is sling into carrying.
The utility model provides a kind of solar energy thermo-power station high-pressure heater, is changed by circular collecting box pipe with snakelike
The design of heat pipe, reduces concentrated stress, reduces destruction of the thermal stress to tubing, and radiating fin is designed on snakelike heat exchange tube
Piece, improves snakelike heat exchange tube heat transfer effect；While and by casing made of high-temperature structural ceramics and by water supply and drainage pipe give
Water Design of Exhaust Manifold buffers the impact force of connecting pin, prevents interface from revealing into S-shaped structure.
Embodiment of above is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with this skill
The people of art understands the content of the utility model and is carried out, and can not limit the scope of protection of the utility model with this, all
The equivalent change or modification done according to the utility model Spirit Essence, should all cover within the protection scope of the present utility model.
Claims (6)
1. a kind of solar energy thermo-power station high-pressure heater, includes the shell (1) of tubular construction, the both ends of the shell (1)
Be provided with the end socket (4) of semi-spherical shape, be both provided with pass partition (6) at the both ends of shell (1), the pass partition (6) with
Intake chamber and water-supplying chamber are formed respectively between its adjacent end socket (4)；Steam inlet (13) is provided with the intake chamber and is dredged
Water inlet (22), is provided with hydrophobic water outlet (5) in the water-supplying chamber；It is characterized in that：Between two pass partitions (6)
The circular collecting box pipe coaxial with shell is set in the shell (1) at place, and the circle collecting box pipe both ends are equipped with tube sheet, and pass through pipe
Circular header tube cavity is divided into superheated steam cooling section, condenses section and hydrophobic cooling section by plate；If it is provided between the tube sheet
Dry snakelike heat exchange tube, the feedwater outlet pipe (14) in described snakelike heat exchange tube one end and superheated steam cooling section are described snakelike to change
The other end of heat pipe is connected with the feedwater water inlet pipe (7) in hydrophobic cooling section.
2. solar energy thermo-power station high-pressure heater according to claim 1, it is characterised in that：The snakelike heat exchange tube
Outer tube wall on be provided with spiral helicine radiating fin.
3. solar energy thermo-power station high-pressure heater according to claim 2, it is characterised in that：Adjacent two snakelike to change
Radiating fin on heat pipe is interspersed.
4. solar energy thermo-power station high-pressure heater according to claim 1, it is characterised in that：The feedwater outlet pipe
(14) the water supply and drainage pipe (12) with the S-shaped structure outside circular collecting box pipe is connected；The feedwater water inlet pipe (7) and circular header
The feedwater exhaust pipe (16) of S-shaped structure outside pipe is connected；The feedwater outlet pipe (14), water supply and drainage pipe (12), feedwater row
Casing made of high-temperature structural ceramics is respectively arranged with shell (1) where tracheae (16) and feedwater water inlet pipe (7) periphery
(2), the end of described sleeve pipe (2) is equipped with the pipe cap (3) being fixed.
5. solar energy thermo-power station high-pressure heater according to claim 4, it is characterised in that：Outside condensation section
First row gas port (17), second liquid level gauge interface (18), gauge port (19), second exhaust are provided with the shell (1) at place
Mouthful (20), relief valve port (21), first liquid level gauge interface (9) and drain mouth (10)；The first row gas port (17), gauge port
(19), second exhaust port (20) and relief valve port (21) are arranged on the top of shell (1), the first liquid level gauge interface (9) and
The bottom that mouth (10) is arranged on shell (1) is drained, the second liquid level gauge interface (18) is arranged on the middle part of shell (1).
6. solar energy thermo-power station high-pressure heater according to claim 4, it is characterised in that：Shell (1) bottom
Portion is provided with the bearing (8) being fixed, and lifting lug (15) is provided at both ends with the top of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720737244.7U CN207350816U (en) | 2017-06-22 | 2017-06-22 | Solar energy thermo-power station high-pressure heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720737244.7U CN207350816U (en) | 2017-06-22 | 2017-06-22 | Solar energy thermo-power station high-pressure heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207350816U true CN207350816U (en) | 2018-05-11 |
Family
ID=62358880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720737244.7U Expired - Fee Related CN207350816U (en) | 2017-06-22 | 2017-06-22 | Solar energy thermo-power station high-pressure heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207350816U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115773493A (en) * | 2022-11-30 | 2023-03-10 | 江苏东九重工股份有限公司 | U-shaped natural circulation boiler evaporation tube bundle |
-
2017
- 2017-06-22 CN CN201720737244.7U patent/CN207350816U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115773493A (en) * | 2022-11-30 | 2023-03-10 | 江苏东九重工股份有限公司 | U-shaped natural circulation boiler evaporation tube bundle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20180511 Termination date: 20210622 |