CN110411231A - A kind of condensation heat recovery device in power station - Google Patents
A kind of condensation heat recovery device in power station Download PDFInfo
- Publication number
- CN110411231A CN110411231A CN201910824157.9A CN201910824157A CN110411231A CN 110411231 A CN110411231 A CN 110411231A CN 201910824157 A CN201910824157 A CN 201910824157A CN 110411231 A CN110411231 A CN 110411231A
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- China
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- main body
- inner tube
- recovery device
- heat recovery
- power station
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- 238000009833 condensation Methods 0.000 title claims abstract description 30
- 230000005494 condensation Effects 0.000 title claims abstract description 30
- 238000011084 recovery Methods 0.000 title claims abstract description 20
- 239000011148 porous material Substances 0.000 claims description 20
- 239000003381 stabilizer Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 229910000679 solder Inorganic materials 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B5/00—Condensers employing a combination of the methods covered by main groups F28B1/00 and F28B3/00; Other condensers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses be inlaid with exhaust pipe, the exhaust pipe, the main body further include: outer cover in the middle part of a kind of condensation heat recovery device in power station, including main body；Frame body；The main body periphery of the exhaust pipe two sides is socketed with outer cover, and the outer cover is mutually welded with frame body from end；Inner tube is socketed in the main body, the inner tube runs through main body both ends；Rotating inner part is set, inner tube, the structures such as main body and motor, so that it is after hot steam enters in inner tube, by rotation and expansion, increase the contact surface of wherein vapor and air, to allow it to radiate faster, and swivel plate in cooperating, so that internal gas flow accelerates rotation, and accelerate collision, so that its entirety has the function of accelerating condensation vapor when in use, to reinforce its whole exothermal effect, hot steam's heat of condensation measures recycling, recuperation of heat will be carried out there are also the extraction of the hot-air of small part vapor by exhaust pipe again to be conducive to.
Description
Technical field
The present invention relates to power generation plant technology field, specially a kind of condensation heat recovery device in power station.
Background technique
Heat recovery refers to that the waste heat for generating industrial process recycles re-using again.Major technique includes that heat is handed over
Change technology, heat to power output technology, utilizing waste heat for refrigeration heating technology.
Currently, China's using energy source remains that utilization efficiency is low, deficiency in economic performance, big main of eco-environmental pressure
Problem, energy-saving and emission-reduction reduce energy consumption, improve the important content that comprehensive utilization of energy rate is planned as energy development strategy, are solutions
The certainly fundamental way of energy problem, China, in the status first developed.The target realized energy-saving and emission-reduction, improve energy utilization rate
Rely primarily on industrial circle.It is in the China in industrialization stage middle and later periods, industry is main energy consumption field and pollutant
Primary discharge source.China's industrial circle energy-output ratio accounts for about the 70% of national total energy consumption, major industrial product unit
Energy consumption average specific international most advanced level is higher by 30% or so.In addition to production technology falls behind relatively, the factor that the industrial structure is unreasonable
Outside, industrial exhaust heat utilization rate is low, and it is the major reason for causing energy consumption high, China that the energy (energy), which does not obtain sufficiently comprehensively utilizing,
Energy utilization rate is only 33% or so, and lower than developed country about 10%, the waste heat of at least 50% industrial consumption energy in a variety of manners
Directly discarded.
However it is particularly important for power plant recuperation of heat, but the prior art has some shortcomings example in actual use
Such as:
Condensation heat recovery device in power station in the prior art, structure simply carry out heat using easy substitute mode and return
Receive, and put off until some time later in this way can with being that its energy consumption first is high, and its thermal energy is also largely lost in its heat recycle process when in use,
To be unable to satisfy needed for the prior art.
Summary of the invention
The purpose of the present invention is to provide a kind of condensation heat recovery device in power station, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of condensation heat recovery device in power station, including master
It is inlaid with exhaust pipe, the exhaust pipe in the middle part of body, the exhaust pipe screw thread is equipped with exhaust valve.
The main body further include: outer cover；Frame body；The main body periphery of the exhaust pipe two sides is socketed with outer cover, institute
It states outer cover and is mutually welded with frame body from end；Inner tube is socketed in the main body, the inner tube runs through main body both ends.
Preferably, the inner tube further include: discharge outlet；Connecting tube；The inner tube both ends periphery is socketed with connection
Pipe, the inner tube periphery between the main body and connecting tube are socketed with driven gear, and the frame body bottom end is installed by bolt
Have a motor, the motor power output end, which corresponds to driven gear peripheral solder, a driving gear, the driving gear with from
Moving gear intermeshing.
Preferably, the inner tube further include: inner cavity；Flat knot there are five being set in inner tube on the inside of the main body
Structure offers inner cavity in the flat structure of said inner tube, and the inner cavity corresponds to and offers inner hole at inner tube both ends, described
Inner cavity two sides pass through bearing and are rotatably connected to interior swivel plate.
Preferably, the interior swivel plate further include: the second inner hole；Intercommunicating pore；It is offered in the interior swivel plate
Second inner hole, the second inner hole adjacent surface are uniformly provided with four intercommunicating pores, and the intercommunicating pore and the second inner hole are mutual
Perforation, second inner hole mutually offer intercommunicating pore from Middle face.
Preferably, the interior swivel plate further include: the first inner hole；In the interior swivel plate of the second inner hole periphery
Even to open up there are four the first inner hole, the interior swivel plate adjacent surface offers intercommunicating pore, the interior swivel plate adjacent surface
Offer intercommunicating pore, the arc-shaped structure of intercommunicating pore on first inner hole.
Preferably, the main body further include: mandril；Stabilizer blade；The frame body bottom end is welded with mandril, the mandril
Bottom end is welded with stabilizer blade, and the stabilizer blade lower surface is adhesive with non-slip mat.
Preferably, the main body further include: bracket；Bracket, the branch are welded between the mandril and outer cover
Bottom bar is welded between stabilizer blade below frame.
Preferably, the main body further include: sealing ring；The main body and inner tube contact surface is inlaid with sealing ring.
Preferably, the inner tube further include: rubber ring；Rubber is adhesive in the inner tube of two driven gear two sides
Cushion rubber.
Preferably, the main body further include: insulating layer；The main body inner wall offers insulating layer, the insulating layer
It extends in exhaust pipe.
Compared with prior art, the beneficial effects of the present invention are:
By the structures such as setting rotating inner part, inner tube, main body and motor, so that it is after hot steam enters in inner tube,
By rotation and expansion, the contact surface of wherein vapor and air is increased, so that it is allowed to radiate faster, and
And swivel plate in cooperating, so that internal gas flow accelerates rotation, and accelerate collision, so that its entirety has more acceleration when in use
The effect of vapor is condensed, to reinforce its whole exothermal effect, hot steam's heat of condensation measures recycling, then by exhaust pipe
It is conducive to recuperation of heat is carried out there are also the extraction of the hot-air of small part vapor.
Detailed description of the invention
Fig. 1 is whole main view diagrammatic cross-section of the invention；
Fig. 2 is the region Figure 1A enlarged structure schematic diagram of the invention；
Fig. 3 is whole schematic view of the front view of the invention.
In figure: 1- main body；11- insulating layer；12- sealing ring；13- exhaust pipe；14- exhaust valve；15- outer cover；2- bracket；
21- bottom bar；22- stabilizer blade；23- mandril；24- non-slip mat；25- frame body；3- inner tube；31- drainage hole；32- connecting tube；33- rubber
Circle；34- driving gear；35- motor；36- driven gear；The inner cavity 37-；Swivel plate in 4-；The first inner hole of 41-；In 42- second
Hole；43- intercommunicating pore.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1:
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of condensation heat recovery device in power station, including main body 1
Middle part is inlaid with exhaust pipe 13, the exhaust pipe 13, and 13 screw thread of exhaust pipe is equipped with exhaust valve 14.
The main body 1 further include: outer cover 15；Frame body 25；Mandril 23；Stabilizer blade 22；Bracket 2；Sealing ring 12；Insulating layer
11；1 periphery of main body of 13 two sides of exhaust pipe is socketed with outer cover 15, and 15 phase of outer cover is welded with frame body from end
25, inner tube 3 is socketed in the main body 1, the inner tube 3 runs through 1 both ends of main body, and 1 inner wall of main body offers heat preservation
Layer 11, the insulating layer 11 extends in exhaust pipe 13, and the main body 1 and 3 contact surface of inner tube are inlaid with sealing ring 12,
It is welded with bracket 2 between the mandril 23 and outer cover 15, is welded with bottom bar 21 between 2 lower section of bracket and stabilizer blade 22,
25 bottom end of frame body is welded with mandril 23, and 23 bottom end of mandril is welded with stabilizer blade 22,22 lower surface of stabilizer blade
It is adhesive with non-slip mat 24.
Wherein, when in use by setting inner tube 3, allow its using when whole heat insulation effect greatly increase.
The inner tube 3 further include: discharge outlet 31；Connecting tube 32；Inner cavity 37；Rubber ring 33；Two driven gears
It is adhesive with rubber ring 33 in the inner tube 3 of 36 two sides, sets that there are five flat structure, institutes in the inner tube 3 of 1 inside of main body
It states and offers inner cavity 37 in the flat structure of inner tube 3, the inner cavity 37 offers inner hole at corresponding 3 both ends of inner tube, described
3 both ends periphery of inner tube be socketed with connecting tube 32,3 periphery of inner tube between the main body 1 and connecting tube 32 be socketed with from
Moving gear 36,25 bottom end of frame body are equipped with motor 35 by bolt, and 35 power output end of motor corresponds to driven
36 peripheral solder of gear has driving gear 34, and the driving gear 34 and driven gear 36 are intermeshed.
Wherein, the meeting of inner tube 3 when in use is made to generate rotation in main body 1 by the structures such as inner tube 3 and motor are arranged,
In rotary course and cooperate flat structure in the middle part of it, so that whole air-flow is imitated with more expansion with shrinking when in use
Fruit, so that when in use, the effect of Water vapor condensation is more preferable, after the hot steam condensation for making it whole, heat release returns its heat
The rate of producing effects greatly increases.
Hot steam is passed through in summary；Connecting tube 22 is connected into inner tube 3, and cooperation motor makes the wherein rotation of inner tube 3
Turn, in rotary course, the reason of inner wall air-flow stirs so that high hot water and steam, effective collision and structure carries out volume
Expansion, so that the increase of its area is effectively radiated, so that most Water vapor condensation heat release in air, and by row
Superheated steam containing fraction vapor is discharged tracheae 13, carries out heat energy recycle, when therein big in work
Some vapor condenses into droplet, and dropping into can rotate main body 1 from exhaust pipe 13 by the construction such as suspension when using in main body 1
Internal water is discharged at place.
Embodiment 2:
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of condensation heat recovery device in power station, including main body 1
Middle part is inlaid with exhaust pipe 13, the exhaust pipe 13, and 13 screw thread of exhaust pipe is equipped with exhaust valve 14.
The main body 1 further include: outer cover 15；Frame body 25；Mandril 23；Stabilizer blade 22；Bracket 2；Sealing ring 12；Insulating layer
11；1 periphery of main body of 13 two sides of exhaust pipe is socketed with outer cover 15, and 15 phase of outer cover is welded with frame body from end
25, inner tube 3 is socketed in the main body 1, the inner tube 3 runs through 1 both ends of main body, and 1 inner wall of main body offers heat preservation
Layer 11, the insulating layer 11 extends in exhaust pipe 13, and the main body 1 and 3 contact surface of inner tube are inlaid with sealing ring 12,
It is welded with bracket 2 between the mandril 23 and outer cover 15, is welded with bottom bar 21 between 2 lower section of bracket and stabilizer blade 22,
25 bottom end of frame body is welded with mandril 23, and 23 bottom end of mandril is welded with stabilizer blade 22,22 lower surface of stabilizer blade
It is adhesive with non-slip mat 24.
Wherein, when in use by setting inner tube 3, allow its using when whole heat insulation effect greatly increase.
The inner tube 3 further include: discharge outlet 31；Connecting tube 32；Inner cavity 37；Rubber ring 33；Two driven gears
It is adhesive with rubber ring 33 in the inner tube 3 of 36 two sides, sets that there are five flat structure, institutes in the inner tube 3 of 1 inside of main body
It states and offers inner cavity 37 in the flat structure of inner tube 3, the inner cavity 37 offers inner hole at corresponding 3 both ends of inner tube, described
3 both ends periphery of inner tube be socketed with connecting tube 32,3 periphery of inner tube between the main body 1 and connecting tube 32 be socketed with from
Moving gear 36,25 bottom end of frame body are equipped with motor 35 by bolt, and 35 power output end of motor corresponds to driven
36 peripheral solder of gear has driving gear 34, and the driving gear 34 and driven gear 36 are intermeshed.
Wherein, the meeting of inner tube 3 when in use is made to generate rotation in main body 1 by the structures such as inner tube 3 and motor are arranged,
In rotary course and cooperate flat structure in the middle part of it, so that whole air-flow is imitated with more expansion with shrinking when in use
Fruit, so that when in use, the effect of Water vapor condensation is more preferable, after the hot steam condensation for making it whole, heat release returns its heat
The rate of producing effects greatly increases.
37 two sides of inner cavity pass through bearing and are rotatably connected to interior swivel plate 4.
The interior swivel plate 4 further include: the second inner hole 42；Intercommunicating pore 43；First inner hole 41；Second inner hole 42
Four the first inner holes 41 are uniformly provided in the interior swivel plate 4 of periphery, 4 adjacent surface of interior swivel plate offers intercommunicating pore
43,4 adjacent surface of interior swivel plate offers intercommunicating pore 43, the arc-shaped knot of intercommunicating pore 43 on first inner hole 41
Structure offers the second inner hole 42 in the interior swivel plate 4, and 42 adjacent surface of the second inner hole is uniformly provided with four companies
Through-hole 43, the intercommunicating pore 43 are mutually communicated with the second inner hole 42, and 42 phase of the second inner hole offers company from Middle face
Through-hole 43.
Wherein, the rotating inner part 4, so that its inner air carries out more effective rotary expansion, and cooperation is wherein
The first inner hole 41 and the second inner hole 42 so that when in use its entirety have the function of accelerate condensation vapor.
Hot steam is passed through in summary；Connecting tube 22 is connected into inner tube 3, and cooperation motor makes the wherein rotation of inner tube 3
Turn, in rotary course, the reason of inner wall air-flow stirs so that high hot water and steam, effective collision and structure carries out volume
Expansion, so that the increase of its area is effectively radiated, and cooperates the effect of interior swivel plate 4, so that its internal steam is more
It is easily expanded and is rotated, so that the heat dissipation effect of wherein vapor is increased, so that most vapor in air
Condensation heat, and the superheated steam containing fraction vapor is discharged by exhaust pipe 13, carry out thermal energy recycling benefit
With when major part steam condensation therein in work is at droplet, can pass through the constructions such as suspension when dropping into use in main body 1 will
Internal water is discharged from exhaust pipe 13 for the rotation of main body 1.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all to utilize this
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field is included within the scope of the present invention.
Claims (10)
1. being inlaid with exhaust pipe (13), the exhaust pipe in the middle part of a kind of condensation heat recovery device in power station, including main body (1)
(13), the exhaust pipe (13) screw thread is equipped with exhaust valve (14), which is characterized in that the main body (1) further include:
Outer cover (15)；
Frame body (25)；
Main body (1) periphery of described exhaust pipe (13) two sides is socketed with outer cover (15), and the outer cover (15) is mutually welded from end
It is connected to frame body (25)；
It is socketed with inner tube (3) in the main body (1), the inner tube (3) runs through main body (1) both ends.
2. a kind of condensation heat recovery device in power station according to claim 1, it is characterised in that: the inner tube (3) is also
Include:
Discharge outlet (31)；
Connecting tube (32)；
Described inner tube (3) the both ends periphery is socketed with connecting tube (32), interior between the main body (1) and connecting tube (32)
Pipe (3) periphery is socketed with driven gear (36), and the frame body (25) bottom end is equipped with motor (35), the electricity by bolt
Machine (35) power output end, which corresponds to driven gear (36) peripheral solder, to be had driving gear (34), the driving gear (34) with from
Moving gear (36) intermeshing.
3. a kind of condensation heat recovery device in power station according to claim 1, which is characterized in that the inner tube (3) is also
Include:
Inner cavity (37)；
It is set in inner tube (3) on the inside of the main body (1) there are five flat structure, in the flat structure of said inner tube (3)
It offers inner cavity (37), offers inner hole at the inner cavity (37) corresponding inner tube (3) both ends；
Described inner cavity (37) two sides pass through bearing and are rotatably connected to interior swivel plate (4).
4. a kind of condensation heat recovery device in power station according to claim 3, which is characterized in that the interior swivel plate
(4) further include:
Second inner hole (42)；
Intercommunicating pore (43)；
It is offered the second inner hole (42) in the interior swivel plate (4), described the second inner hole (42) adjacent surface uniformly opens up
There are four intercommunicating pore (43), the intercommunicating pore (43) is mutually communicated with the second inner hole (42), described the second inner hole (42) phase
Intercommunicating pore (43) are offered from Middle face.
5. a kind of condensation heat recovery device in power station according to claim 4, which is characterized in that the interior swivel plate
(4) further include:
First inner hole (41)；
Four the first inner holes (41) are uniformly provided in the interior swivel plate (4) of second inner hole (42) periphery, described is interior
Swivel plate (4) adjacent surface offers intercommunicating pore (43), and described interior swivel plate (4) adjacent surface offers intercommunicating pore (43), institute
Intercommunicating pore (43) arc-shaped structure on the first inner hole (41) stated.
6. a kind of condensation heat recovery device in power station according to claim 5, which is characterized in that the main body (1) is also
Include:
Mandril (23)；
Stabilizer blade (22)；
Described frame body (25) bottom end is welded with mandril (23), and the mandril (23) bottom end is welded with stabilizer blade (22), described
Stabilizer blade (22) lower surface is adhesive with non-slip mat (24).
7. a kind of condensation heat recovery device in power station according to claim 6, which is characterized in that the main body (1) is also
Include:
Bracket (2)；
It is welded with bracket (2) between the mandril (23) and outer cover (15), below the bracket (2) between stabilizer blade (22)
It is welded with bottom bar (21).
8. a kind of condensation heat recovery device in power station according to claim 1, which is characterized in that the main body (1) is also
Include:
Sealing ring (12)；
The main body (1) and inner tube (3) contact surface is inlaid with sealing ring (12).
9. a kind of condensation heat recovery device in power station according to claim 2, which is characterized in that the inner tube (3) is also
Include:
Rubber ring (33)；
Rubber ring (33) are adhesive in the inner tube (3) of two driven gear (36) two sides.
10. a kind of condensation heat recovery device in power station according to claim 1, which is characterized in that the main body (1) is also
Include:
Insulating layer (11)；
Main body (1) inner wall offers insulating layer (11), and the insulating layer (11) extends in exhaust pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910824157.9A CN110411231A (en) | 2019-09-02 | 2019-09-02 | A kind of condensation heat recovery device in power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910824157.9A CN110411231A (en) | 2019-09-02 | 2019-09-02 | A kind of condensation heat recovery device in power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110411231A true CN110411231A (en) | 2019-11-05 |
Family
ID=68369660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910824157.9A Pending CN110411231A (en) | 2019-09-02 | 2019-09-02 | A kind of condensation heat recovery device in power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110411231A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100900036B1 (en) * | 2008-11-28 | 2009-06-01 | (주)동명산업 | The heat reclaimer for used hot water |
| CN106323026A (en) * | 2016-09-28 | 2017-01-11 | 青岛捷能汽轮机集团股份有限公司 | Horizontal axial exhaust condenser |
| CN107643000A (en) * | 2017-10-30 | 2018-01-30 | 叶玉妹 | A kind of self-loopa condenser pipe |
| CN207850107U (en) * | 2018-01-19 | 2018-09-11 | 武汉瀚海新酶生物科技有限公司 | A kind of freeze dryer water capturing installation |
| CN210441687U (en) * | 2019-09-02 | 2020-05-01 | 大唐东营发电有限公司 | Condensation heat recovery device for power plant |
-
2019
- 2019-09-02 CN CN201910824157.9A patent/CN110411231A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100900036B1 (en) * | 2008-11-28 | 2009-06-01 | (주)동명산업 | The heat reclaimer for used hot water |
| CN106323026A (en) * | 2016-09-28 | 2017-01-11 | 青岛捷能汽轮机集团股份有限公司 | Horizontal axial exhaust condenser |
| CN107643000A (en) * | 2017-10-30 | 2018-01-30 | 叶玉妹 | A kind of self-loopa condenser pipe |
| CN207850107U (en) * | 2018-01-19 | 2018-09-11 | 武汉瀚海新酶生物科技有限公司 | A kind of freeze dryer water capturing installation |
| CN210441687U (en) * | 2019-09-02 | 2020-05-01 | 大唐东营发电有限公司 | Condensation heat recovery device for power plant |
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