CN209101878U - A kind of steam power plant's waste-heat recovery device - Google Patents
A kind of steam power plant's waste-heat recovery device Download PDFInfo
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- CN209101878U CN209101878U CN201821536525.7U CN201821536525U CN209101878U CN 209101878 U CN209101878 U CN 209101878U CN 201821536525 U CN201821536525 U CN 201821536525U CN 209101878 U CN209101878 U CN 209101878U
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- flue gas
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Abstract
The utility model belongs to heat recovery technology field, specifically, the utility model relates to a kind of steam power plant's waste-heat recovery device, including the heat exchange agent feed liquor case and heat exchange agent liquid outlet tank connected by heat exchanger tube；It further include cambered surface shell, the cambered surface shell is connected to smoke inlet pipe, flue gas escape pipe respectively；Flue gas enters the cambered surface shell by the smoke inlet pipe, rotates in the cambered surface shell, is discharged by the flue gas escape pipe, and the cambered surface shell is used to improve the heat exchange efficiency of flue gas and the heat exchange intraductal heat exchange agent；Wherein, the heat exchanger tube runs through the cambered surface shell.Steam power plant's waste-heat recovery device provided by the utility model can be such that flue gas rotates in cambered surface enclosure interior, and the time of contact of flue gas and heat exchanger tube is long, and contact area is big, so as to improve the heat exchange efficiency of flue gas and the agent that exchanges heat, have the characteristics that heat exchange efficiency is high.
Description
Technical field
The utility model belongs to heat recovery technology field, specifically, the utility model relates to a kind of steam power plant's waste heats
Recyclable device.
Background technique
Originally, in recent years, due to the anxiety of the energy, energy-saving work is got in enterprise for the energy-saving existence for being enterprise
Paid attention to get over.In heat and power plant, the various advanced energy saving type of furnaces are gradually improved, so that fuel combustion is increasingly reasonable, however, making
For another break-through point that heat and power plant is energy-saving, the research and development for the waste-heat recovery device of flue gas are still not so good as people's will, and current is remaining
Heat recovery apparatus still has the low problem of heat exchange efficiency, and the flue gas after heat exchange still contains very high heat.
Existing waste-heat recovery device has very much, for example, application No. is the 201510776248.1, applying date be 2015 11
The moon 16, the patent application document that invention and created name is a kind of Multipurpose afterheat recovery device, this application are related to a kind of multi-purpose
Way waste-heat recovery device mainly includes main flue gas waste heat heat exchanging pipe, secondary flue gas waste heat for heat exchange pipeline and heating, life with changing
Hot device, main flue gas waste heat heat exchanging pipe and secondary flue gas waste heat for heat exchange pipeline and smoke contacts, secondary flue gas waste heat for heat exchange piping connection
There are heating, daily necessity heat exchanger.Although this application can realize heat recovery to a certain extent, flue gas and pipeline it
Between heat-exchange time it is short, contact area is small, however it remains the low problem of heat exchange efficiency, and structure is complicated for heat-exchanger rig, manufacture
There is inconvenience with using more.
Utility model content
The utility model provides a kind of steam power plant's waste-heat recovery device, and it is low to be able to solve heat exchange efficiency in the prior art
Technical problem.
To solve the above-mentioned problems, the utility model provides a kind of steam power plant's waste-heat recovery device, and technical solution is such as
Under:
A kind of steam power plant's waste-heat recovery device, including the heat exchange agent feed liquor case that is connected by heat exchanger tube and heat exchange agent liquid outlet tank,
Heat exchange agent inlet pipe injection heat exchange agent of the heat exchange agent feed liquor case by side, the heat exchange heat exchange of the agent liquid outlet tank by side
The discharge heat exchange agent of agent outlet pipe；It further include cambered surface shell, the cambered surface shell is connected to smoke inlet pipe, flue gas escape pipe respectively；
Flue gas enters the cambered surface shell by the smoke inlet pipe, rotates in the cambered surface shell, by the flue gas outlet
Pipe discharge, the cambered surface shell are used to improve the heat exchange efficiency of flue gas and the heat exchange intraductal heat exchange agent；Wherein, the heat exchanger tube
Through the cambered surface shell.
Such as above-mentioned steam power plant's waste-heat recovery device, further preferably are as follows: the smoke inlet pipe, the flue gas escape pipe
It is located at the two sides of the cambered surface shell.
Such as above-mentioned steam power plant's waste-heat recovery device, further preferably are as follows: the smoke inlet pipe, the flue gas escape pipe
In horizontal positioned.
Such as above-mentioned steam power plant's waste-heat recovery device, further preferably are as follows: the cambered surface shell is spherical shell.
Such as above-mentioned steam power plant's waste-heat recovery device, further preferably are as follows: the smoke inlet pipe is located at the cambered surface shell
The lower part of body, the flue gas escape pipe are located at the top of the cambered surface shell.
Such as above-mentioned steam power plant's waste-heat recovery device, further preferably are as follows: further include accelerating heat-exchanger rig, the acceleration is changed
Thermal is mounted on the cambered surface shell, for improving the heat exchange efficiency of flue gas and the heat exchange intraductal heat exchange agent.
Such as above-mentioned steam power plant's waste-heat recovery device, further preferably are as follows: the acceleration heat-exchanger rig includes being sequentially communicated
Influent stream pipe, auxiliary heat-exchanging blower and outflow tube；The air inlet of the auxiliary heat-exchanging blower is connected to the influent stream pipe, described auxiliary
The air outlet of heat exchange blower fan is helped to be connected to the outflow tube；The influent stream pipe, the outflow tube and respectively with the cambered surface shell
Connection.
Such as above-mentioned steam power plant's waste-heat recovery device, further preferably are as follows: the influent stream pipe is located at the smoke inlet pipe
Top, the outflow tube is located at the lower section of the flue gas escape pipe.
Such as above-mentioned steam power plant's waste-heat recovery device, further preferably are as follows: it further include deflector, the deflector inclination peace
In the cambered surface shell, the baffle quantity be two, and respectively with the smoke inlet pipe, the flue gas escape pipe
Match.
Such as above-mentioned steam power plant's waste-heat recovery device, further preferably are as follows: further include diversion column, the diversion column is mounted on
In the cambered surface shell, it is connect by bracket with the side wall of the cambered surface shell in the cambered surface housing central section.
Analysis it is found that compared with prior art, advantages and beneficial effects of the utility model lie in that
1, the heat exchange agent feed liquor case of steam power plant's waste-heat recovery device of the utility model passes through heat exchange agent inlet pipe injection heat exchange
Agent, heat exchange occurs at heat exchanger tube with flue gas for the agent that exchanges heat, and is discharged at heat exchange agent liquid outlet tank by heat exchange agent outlet pipe；High temperature cigarette
Gas enters cambered surface shell by smoke inlet pipe, and is discharged by flue gas escape pipe, and flue gas is rotated in cambered surface enclosure interior, can
Increase the contact area with heat exchanger tube, and extends contact time, so that it is transmitted to the heat in flue gas more in heat exchange agent,
The heat exchange efficiency for improving flue gas and the agent of heat exchanger tube internal heat, has the characteristics that heat exchange efficiency is high；Meanwhile the utility model changes
Thermit powder feed liquor case is connected with heat exchange agent liquid outlet tank by heat exchanger tube, encirclement cambered surface shell outside heat exchanger tube, cambered surface shell respectively with cigarette
Gas air inlet pipe, flue gas escape pipe connection, it is simple for structure compact, be easy to use, also have it is simple for structure it is compact, manufacturing cost is low
Feature that is honest and clean, using simplicity.
2, the smoke inlet pipe of steam power plant's waste-heat recovery device of the utility model, flue gas escape pipe are located at cambered surface shell
The two sides of body, and smoke inlet pipe, flue gas escape pipe, in being horizontally arranged, high-temperature flue gas is when cambered surface enclosure interior rotates
It will not directly be blown into inside flue gas escape pipe, be not easy to be discharged from flue gas escape pipe, be able to extend contact of the flue gas with heat exchanger tube
Time improves the heat exchange efficiency of flue gas and the agent that exchanges heat, has flue gas residence heat-exchange time long, the high feature of heat exchange efficiency.
3, the smoke inlet pipe of steam power plant's waste-heat recovery device of the utility model is located at the lower part of cambered surface shell, and flue gas goes out
Tracheae is located at the top of cambered surface shell, and high-temperature flue gas exchange thermit powder first preheats, reheats, can make full use of remaining in flue gas
Heat improves heat exchange efficiency；Accelerate heat-exchanger rig to be mounted on cambered surface shell, can be improved the flow velocity of flue gas, increases the unit time
Interior heat exchange number；Influent stream pipe is located at the top of smoke inlet pipe, and outflow tube is located at the lower section of flue gas escape pipe, can increase cigarette
Gas, to extend flue gas in the intracorporal heat-exchange time of cambered surface shell, has heat-exchange time length, changes in the intracorporal number of revolutions of cambered surface shell
The high feature of the thermal efficiency.
4, steam power plant's waste-heat recovery device of the utility model further includes deflector and diversion column, and deflector is for guiding cigarette
Gas plays bridging effect to flue gas along cambered surface inner walls rotational flow, to extend flue gas in the intracorporal heat exchange of cambered surface shell
Time simultaneously improves heat exchange efficiency；Cambered surface shell is spherical shell, can be improved the service life of the utility model；Diversion column installation
In cambered surface shell, it is convenient for flue gas rotational flow in cambered surface shell, exchanges heat so that flue gas and heat exchange agent are stablized, have and use the longevity
The feature that life is long, heat-exchange time is long, heat exchange efficiency is high, heat exchange is stable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of steam power plant's waste-heat recovery device provided by the utility model.
Fig. 2 is the cambered surface enclosure interior flow of flue gas schematic diagram of the utility model.
In figure: 1- heat exchange agent feed liquor case；2- heat exchange agent inlet pipe；3- flue gas escape pipe；4- cambered surface shell；5- heat exchange agent goes out
Pipe；6- heat exchange agent liquid outlet tank；7- influent stream pipe；8- auxiliary heat-exchanging blower；9- outflow tube；10- diversion column；11- deflector；12- cigarette
Gas air inlet pipe；13- heat exchanger tube.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings,
It is merely for convenience of description the utility model rather than requires the utility model that must be constructed and operated in a specific orientation, therefore
It should not be understood as limiting the present invention.Term used in the utility model " connected ", " connection " shall be understood in a broad sense,
For example, it may be being fixedly connected, may be a detachable connection；It can be directly connected, it can also be indirect by intermediate member
It is connected, for the ordinary skill in the art, can understands the concrete meaning of above-mentioned term as the case may be.
Heat exchange is also known as heat exchange, is the process that thermal energy is directly or indirectly transmitted to cold fluid from hot fluid, in heat exchange, heat exchange
The more high then heat utilization rate of efficiency is higher, and energy loss is smaller.
As depicted in figs. 1 and 2, the utility model provides a kind of steam power plant's waste-heat recovery device, including by heat exchanger tube 13
The heat exchange agent feed liquor case 1 of connection and heat exchange agent liquid outlet tank 6, heat exchanger tube 13 be it is multiple, heat exchange agent is by pump by heat exchange agent feed liquor case 1
In the injection heat exchange agent feed liquor case 1 of heat exchange agent inlet pipe 2 of side, heat exchange agent liquid outlet tank 6 will be exchanged heat by the heat exchange agent outlet pipe 5 of side
It is discharged after agent water conservancy diversion；It further include cambered surface shell 4, cambered surface shell 4 is connected to smoke inlet pipe 12, flue gas escape pipe 3 respectively；Flue gas
Cambered surface shell 4 is entered by smoke inlet pipe 12, rotates in cambered surface shell 4, is discharged by flue gas escape pipe 3, cambered surface shell 4
For improving the heat exchange efficiency for the agent that exchanges heat in flue gas and heat exchanger tube 13, wherein heat exchanger tube 13 runs through cambered surface shell 4.
Specifically, steam power plant's waste-heat recovery device provided by the utility model by pump and with the heat exchange agent that is connected to of pump into
Pipe 2 to heat exchange agent feed liquor case 1 injection heat exchange agent, heat exchange agent by heat exchange agent feed liquor case 1 flow into heat exchanger tube 13, at heat exchanger tube 13 with
Heat exchange occurs for flue gas, and heat exchange agent liquid outlet tank 6 is entered after being heated, by 6 water conservancy diversion of heat exchange agent liquid outlet tank to heat exchange 5 row of agent outlet pipe
Out；At the same time, high-temperature flue gas enters cambered surface shell 4 by smoke inlet pipe 12, and is discharged by flue gas escape pipe 3, and flue gas is in arc
It is rotated inside face-piece body 4, is capable of increasing the contact area of flue gas Yu heat exchanger tube 13, and extended contact time, made in flue gas
Heat be more transmitted to heat exchange agent in, flue gas escape pipe 3 be discharged flue-gas temperature be substantially reduced compared with the prior art, from
And the heat exchange efficiency of flue gas Yu 13 internal heat agent of heat exchanger tube is improved, have the characteristics that heat exchange efficiency is high.The utility model changes
Thermit powder feed liquor case 1 is connected with heat exchange agent liquid outlet tank 6 by heat exchanger tube 13, and one end of heat exchanger tube 13 is connected with heat exchange agent feed liquor case 1,
The other end passes through cambered surface shell 4 and is connected with heat exchange agent liquid outlet tank 6, i.e., is surrounded by cambered surface shell 4 outside heat exchanger tube 13, further excellent
Choosing, cambered surface shell 4 are enclosed in the middle part of heat exchanger tube 13, and heat exchanger tube 13, which is located at the part outside cambered surface shell 4, to be general pipeline, into
Enter in cambered surface shell 4 and generate branch again, can also directly run through cambered surface shell 4 for the heat exchanger tube 13 of multiple branches, cambered surface shell 4 divides
Be not connected to smoke inlet pipe 12, flue gas escape pipe 3, have the characteristics that it is simple for structure it is compact, manufacturing cost is cheap；Meanwhile this
Utility model changes liquor to the heat exchange injection of agent feed liquor case 1 by pump, is easy to use, also has the characteristics that using easy.
In order to extend heat-exchange time of the flue gas in cambered surface shell 4, improve the heat exchange efficiency of the utility model, such as Fig. 1 and
Shown in Fig. 2, the smoke inlet pipe 12, flue gas escape pipe 3 of the utility model are located at the two sides of cambered surface shell 4, and the two is not
Be oppositely arranged so that flue gas rotated by smoke inlet pipe 12 into cambered surface shell 4 after at least through half cambered surface shell 4
Path is discharged by flue gas escape pipe 3 again, is able to extend residence time of the flue gas in cambered surface shell 4, to extend flue gas and change
The time of contact of heat pipe 13 improves the heat exchange efficiency of flue gas and the agent that exchanges heat, has flue gas residence heat-exchange time long, and heat exchange efficiency is high
The characteristics of.
In order to further extend heat-exchange time, the heat exchange efficiency of the utility model is improved, as depicted in figs. 1 and 2, this is practical
Novel smoke inlet pipe 12, flue gas escape pipe 3 are in horizontal positioned, so that flue gas escape pipe 3, smoke inlet pipe 12 and cambered surface shell
4 inner wall of body is nontangential, so that high-temperature flue gas will not directly be blown when being rotated by smoke inlet pipe 12 into cambered surface shell 4
Enter to inside flue gas escape pipe 3, be not easy directly to be discharged from flue gas escape pipe 3, to further extend flue gas in cambered surface shell 4
Heat-exchange time, improve waste heat recovery efficiency, have the characteristics that heat-exchange time is long, heat exchange efficiency is high.
In order to further increase the heat exchange efficiency of the utility model, efficiently using the waste heat in flue gas, such as Fig. 1 and Fig. 2 institute
Show, the smoke inlet pipe 12 of the utility model is located at the lower part of cambered surface shell 4, and flue gas escape pipe 3 is located at the upper of cambered surface shell 4
Portion.High-temperature flue gas by smoke inlet pipe 12 enter cambered surface shell 4 lower part after, by 4 lower part of cambered surface shell, along cambered surface shell
4 arc inner wall rotates upwards, at least exchanges heat twice with the heat exchange agent generation in heat exchanger tube, thus in 4 inside shape of cambered surface shell
The stable state high at temperature of lower, upper temp is slightly lower, it is first pre- with the heat exchange agent in the slightly lower flue gas exchange heat pipe 13 of temperature
Heat, then heated with the heat exchange agent after being preheated in the high flue gas exchange heat pipe 13 of temperature, to realize the first pre- of flue gas exchange thermit powder
Heat reheats, and makes full use of the waste heat in flue gas, improves heat exchange efficiency, the spy high with heat exchange efficiency, utilization rate of waste heat is high
Point.
For the ease of flue gas in cambered surface shell 4 rotational flow, and the service life of cambered surface shell 4 is improved, such as Fig. 1 and figure
Shown in 2, the cambered surface shell 4 of the utility model is spherical shell, and spherical shell will not hinder its inside smoke without obvious corner angle
Rotational flow guarantees that stablizing for 4 internal heat exchange of cambered surface shell carries out convenient for forming steady air flow.Meanwhile using without obvious rib
The spherical shell structure at angle, enables to 4 inside stress equalization of cambered surface shell, reduces flue gas to the corrosion inside cambered surface shell 4,
The service life for improving cambered surface shell 4 has the characteristics that the stable, long service life that exchanges heat.
In order to further increase the utility model to the utilization rate of waste heat in flue gas, as depicted in figs. 1 and 2, this is practical new
Type further includes accelerating heat-exchanger rig, accelerates heat-exchanger rig to be mounted on cambered surface shell 4, changes for improving in flue gas and heat exchanger tube 13
The heat exchange efficiency of thermit powder.Further, heat-exchanger rig is accelerated to include the influent stream pipe 7 being sequentially communicated, auxiliary heat-exchanging blower 8 and go out to flow
Pipe 9；The air inlet of auxiliary heat-exchanging blower 8 is connected to influent stream pipe 7, and the air outlet of auxiliary heat-exchanging blower 8 is connected to outflow tube 9；Into
Flow tube 7, outflow tube 9 are simultaneously connected to cambered surface shell 4 respectively.The utility model accelerates heat exchange dress by installing on cambered surface shell 4
It sets, can be improved the utilization rate of waste heat of the utility model.Flue gas is changed by passing sequentially through auxiliary after the entrance influent stream pipe 7 of cambered surface shell 4
Air-heater 8, outflow tube 9, are again introduced into cambered surface shell 4, and flow of flue gas speed is promoted at this time, and can again and heat exchanger tube
Heat exchange agent in 13 carries out heat exchange, increases heat exchange number, makes full use of the waste heat in flue gas, further decrease flue gas escape pipe
The temperature of 3 discharge flue gases, has the characteristics that utilization rate of waste heat is high.
In order to further extend heat-exchange time of the flue gas in cambered surface shell 4, the utilization rate of waste heat of the utility model is improved,
As depicted in figs. 1 and 2, the influent stream pipe 7 of the utility model is located at the top of smoke inlet pipe 12, influent stream pipe 7 with cambered surface shell 4
Joint be it is horizontally disposed, flue gas by cambered surface shell 4 successively after influent stream pipe 7, auxiliary heat-exchanging blower 8, outflow tube 9 again by
Outflow tube 9 enters cambered surface shell 4, and outflow tube 9 is located at the lower section of flue gas escape pipe 3, outflow tube 9 with 4 joint of cambered surface shell
Be it is horizontally disposed, entering the flue gas in cambered surface shell 4 from outflow tube 9 can be to rotating flow in cambered surface shell 4 to flue gas outlet
The flue gas of pipe 3 applies shearing force, so that the flue gas of rotational flow deviates flue gas escape pipe 3 and continues in cambered surface shell 4
Portion's rotational flow increases number of revolutions of the flue gas in cambered surface shell 4 with this, to extend flue gas changing in cambered surface shell 4
The hot time has the characteristics that heat-exchange time is long, utilization rate of waste heat is high.
For the ease of guiding flue gas rotational flow in cambered surface shell 4, and when extending delay of the flue gas in cambered surface shell 4
Between, as depicted in figs. 1 and 2, the utility model further includes deflector 11, and deflector 11 is tiltedly mounted in cambered surface shell 4, water conservancy diversion
11 quantity of plate is preferably two, and two deflectors 11 match with smoke inlet pipe 12, flue gas escape pipe 3 respectively.One water conservancy diversion
Plate 11 is located at the top of smoke inlet pipe 12 Yu 4 communication port of cambered surface shell, tilts down along flue gas airintake direction, another water conservancy diversion
Plate 11 is located at the lower section of flue gas escape pipe 3 Yu 4 communication port of cambered surface shell, tilts down along flue gas outgassing direction.Flue gas is by flue gas
When air inlet pipe 12 enters cambered surface shell 4, the deflector 11 of 12 top of smoke inlet pipe can guide flue gas along 4 inner wall of cambered surface shell
Rotational flow from lower to upper；The deflector 11 of 3 lower section of flue gas escape pipe can be to the connection of flue gas escape pipe 3 and cambered surface shell 4
Mouth plays bridging effect, and flue gas can be guided along 4 internal rotating of cambered surface shell, to extend flue gas in cambered surface shell 4
Residence time extends heat-exchange time and improves heat exchange efficiency, so that the utility model has flue gas high convenient for flowing, heat exchange efficiency
The characteristics of.
Stablize rotation in cambered surface shell 4 for the ease of flue gas, so that the utility model steadily exchanges heat, such as Fig. 1 and Fig. 2 institute
Show, the utility model further includes diversion column 10, and diversion column 10 is mounted in cambered surface shell 4, passes through bracket in the middle part of cambered surface shell 4
It is connect with the side wall of cambered surface shell 4.Further preferably, the axis of diversion column 10 is overlapped with the axis of cambered surface shell 4, so that this reality
With forming toroidal cavity inside novel cambered surface shell 4, consequently facilitating flue gas rotational flow in cambered surface shell 4, so that flue gas
Heat exchange with heat exchange agent steadily carries out, and has the characteristics that heat exchange is stable.
As depicted in figs. 1 and 2, the course of work of the utility model is described in detail below:
At work, pump passes through heat exchange agent inlet pipe 2 to heat exchange agent to steam power plant's waste-heat recovery device provided by the utility model
The injection heat exchange agent of feed liquor case 1, the agent that exchanges heat flow into heat exchanger tube 13 by heat exchange agent feed liquor case 1, and heat friendship occurs at liquid pipe with flue gas changing
It changes, the heat exchange agent after being heated enters heat exchange agent liquid outlet tank 6, is discharged by 6 water conservancy diversion of heat exchange agent liquid outlet tank to heat exchange agent outlet pipe 5；With
This simultaneously, high-temperature flue gas is entered in cambered surface shell 4 by smoke inlet pipe 12 in the bottom level of cambered surface shell 4, in diversion column
10 and the top of smoke inlet pipe 12 the common guide functions of deflector 11 under along the upward rotational flow of 4 inner wall of cambered surface shell, cigarette
Gas is when flowing through flue gas escape pipe 3, under the water conservancy diversion and bridging effect of the deflector 11 below flue gas escape pipe 3, a part warp
Flue gas escape pipe 3 is discharged, and another part continues to flow in 4 internal rotating of cambered surface shell；Flue gas shunts again at influent stream pipe 7,
A part continues rotational flow, and another part enters cambered surface shell 4, cigarette by outflow tube 9 again after the acceleration of auxiliary heat-exchanging blower 8
Gas is in cambered surface shell 4, smoke inlet pipe 12, flue gas escape pipe 3, influent stream pipe 7, auxiliary heat-exchanging blower 8, outflow tube 9, deflector 11
Under 10 collective effect of diversion column, the high efficient heat exchanging continual and steady with the heat exchange agent in heat exchanger tube 13 in cambered surface shell 4.
As known by the technical knowledge, the utility model can pass through other essence without departing from its spirit or the reality of essential feature
Scheme is applied to realize.Therefore, embodiment disclosed above, in all respects are merely illustrative, and are not only
's.All changes that come within the scope of the invention or equivalents of the invention are by the utility model packet
Contain.
Claims (10)
1. a kind of steam power plant's waste-heat recovery device, including the heat exchange agent feed liquor case and heat exchange agent liquid outlet tank connected by heat exchanger tube,
It is characterized in that, further includes:
Cambered surface shell, the cambered surface shell are connected to smoke inlet pipe, flue gas escape pipe respectively；Flue gas is by the smoke inlet pipe
It into the cambered surface shell, rotates in the cambered surface shell, is discharged by the flue gas escape pipe, the cambered surface shell is used
In the heat exchange efficiency for improving flue gas and the heat exchange intraductal heat exchange agent；
Wherein, the heat exchanger tube runs through the cambered surface shell.
2. steam power plant's waste-heat recovery device according to claim 1, it is characterised in that:
The smoke inlet pipe, the flue gas escape pipe are located at the two sides of the cambered surface shell.
3. steam power plant's waste-heat recovery device according to claim 1, it is characterised in that:
The smoke inlet pipe, the flue gas escape pipe are in horizontal positioned.
4. steam power plant's waste-heat recovery device according to claim 1, it is characterised in that:
The cambered surface shell is spherical shell.
5. steam power plant's waste-heat recovery device according to claim 1, it is characterised in that:
The smoke inlet pipe is located at the lower part of the cambered surface shell, and the flue gas escape pipe is located at the upper of the cambered surface shell
Portion.
6. steam power plant's waste-heat recovery device according to claim 1, which is characterized in that further include:
Accelerate heat-exchanger rig, the acceleration heat-exchanger rig is mounted on the cambered surface shell, for improving flue gas and the heat exchange
The heat exchange efficiency of intraductal heat exchange agent.
7. steam power plant's waste-heat recovery device according to claim 6, it is characterised in that:
The acceleration heat-exchanger rig includes the influent stream pipe, auxiliary heat-exchanging blower and outflow tube being sequentially communicated；It is the influent stream pipe, described
Outflow tube is simultaneously connected to the cambered surface shell respectively.
8. steam power plant's waste-heat recovery device according to claim 7, it is characterised in that:
The influent stream pipe is located at the top of the smoke inlet pipe, and the outflow tube is located at the lower section of the flue gas escape pipe.
9. steam power plant's waste-heat recovery device according to claim 1, which is characterized in that further include:
Deflector, the deflector are tiltedly mounted in the cambered surface shell, and with the smoke inlet pipe, the flue gas outlet
Pipe matches.
10. steam power plant's waste-heat recovery device according to claim 1, which is characterized in that further include:
Diversion column, the diversion column are mounted in the cambered surface shell, in the cambered surface housing central section and the cambered surface shell phase
Even.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821536525.7U CN209101878U (en) | 2018-09-19 | 2018-09-19 | A kind of steam power plant's waste-heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821536525.7U CN209101878U (en) | 2018-09-19 | 2018-09-19 | A kind of steam power plant's waste-heat recovery device |
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| Publication Number | Publication Date |
|---|---|
| CN209101878U true CN209101878U (en) | 2019-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821536525.7U Active CN209101878U (en) | 2018-09-19 | 2018-09-19 | A kind of steam power plant's waste-heat recovery device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297341A (en) * | 2018-09-19 | 2019-02-01 | 国电龙源电力技术工程有限责任公司 | A kind of steam power plant's waste-heat recovery device |
-
2018
- 2018-09-19 CN CN201821536525.7U patent/CN209101878U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297341A (en) * | 2018-09-19 | 2019-02-01 | 国电龙源电力技术工程有限责任公司 | A kind of steam power plant's waste-heat recovery device |
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