CN208652542U - Fluidized bed exchanger and corresponding burning facility - Google Patents
Fluidized bed exchanger and corresponding burning facility Download PDFInfo
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- CN208652542U CN208652542U CN201790000386.3U CN201790000386U CN208652542U CN 208652542 U CN208652542 U CN 208652542U CN 201790000386 U CN201790000386 U CN 201790000386U CN 208652542 U CN208652542 U CN 208652542U
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- heat exchanger
- chute
- heat
- wall
- solid
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/02—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed
- F23C10/04—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone
- F23C10/08—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases
- F23C10/10—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases the separation apparatus being located outside the combustion chamber
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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
- F22B31/0007—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus with combustion in a fluidized bed
- F22B31/0084—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus with combustion in a fluidized bed with recirculation of separated solids or with cooling of the bed particles outside the combustion bed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C2206/00—Fluidised bed combustion
- F23C2206/10—Circulating fluidised bed
- F23C2206/103—Cooling recirculating particles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A kind of fluidized bed exchanger and corresponding burning facility, fluidized bed exchanger includes at least one entrance opening, heat exchange area and at least one exit opening, they are arranged to that the efflux of solids obtained from associated burner is allowed to enter heat exchanger via the opening each other, heat exchanger is left across the heat exchange area and via the exit opening, wherein entrance opening is arranged at the upper part of chute, chute is extended downwardly from the bottom section of top section towards the heat exchanger of heat exchanger and is terminated near the bottom section, to allow to have the stream being downwardly oriented by the solid of the chute, chute is open in its end near the bottom section, to provide at least one channel, so that solid leaves chute and flows at least one the heat friendship being arranged near the chute and equipped with fluidisation bottom Region is changed, exit opening is arranged at the upper part of heat exchanger and extends from least one heat exchange area.
Description
Technical field
The utility model relates to the fluidized bed exchanger of the component as associated burning facility, particularly institute
The circulating fluidised bed apparatus (CFBA) of meaning.Below, such as " top ", " lower part ", "horizontal", " vertical ", " inside " term
Always position is used referring to the routine of heat exchanger and/or CFBA.
Background technique
CFBA typically comprises circulating fluid bed reactor, be designed as burner, burn reactor, boiler, gasifier,
Steam generator etc., hereinafter referred to as burner.
Burner wall is made of pipeline, and water flows through wherein, wherein the pipeline is directly welded to each other to provide wall construction, or
There is fin/rib between the pipe section extended in parallel.
Because of most of corresponding fossil fuels, such as coal, timber include sulphur and/or harmful substance, so must be with
Suitable mode cleans the gas for leaving burner.
Typically burner at an upper portion thereof end have at least one outlet port, wherein the outlet port allow from
The gas of reactor discharge and the mixture of solid particle (hereinafter referred to as solid or ash) flow at least one associated separation
Device.
Separator is used to separate flue gas and solid.Hereafter, isolated flue gas and solid are treated separately.Solid
Be returned directly in burner and/or be supplied to intermediate heat exchanger, particularly via fluidized bed exchanger it is corresponding enter
Mouth opening enters at least one fluidized bed exchanger (FBHE).
Along from separator to FBHE and/or the siphon in the path of burner allows separator and burner or correspondingly divides
It is disengaged from the pressure (field) between device and FBHE.
At least one FBHE allows the heat provided using solid (particulate matter), to generate power, such as heating steam or
Water and/or the pressure for improving steam or water, steam or water as heat transmission medium via pipeline be carried through the FBHE and into
One step arrives turbine etc..
FBHE is equipped at least one exit opening, also referred to as return device, for leaving FBHE and returning to burner
In at least part solid.
The general design of this CFBA and its component is disclosed in EP4952962.
The typical electrical range of capacity of general FBHA is about 50 to 600MW and burner has height 30-60m, width 13-
40m and depth 15-40m.The typical sizes of FBHA are height 3-8m, width 3-8m, depth 3-8m.
Although in many years in past, this CFBA, overall function including FBHE (also referred to as ash cooler) and reliable
Property is proven successful, but is continuously needed and is improved.
In this context, the target of the utility model is to provide a kind of be mounted between separator and the burner of CFBA
FBHE, optimization in terms of construction, maintenance, maintenance, efficiency and/or efflux of solids (avoiding blocking) is provided.
Utility model content
The general procedure engineering design of the fluidized bed exchanger of this type is more or less defined, and includes:
Solid is supplied via entrance opening,
Make efflux of solids by the air that the corresponding nozzle in the bottom section via heat exchanger introduces under stress
Change,
It is (particularly, hot via the heat transmitter part of arrangement in a heat exchanger that admittedly intracorporal energy (heat) will be stored in
Transmitting fluid such as water or steam flow through pipeline therein) it is transmitted in the fluid,
Solid is extracted out from heat exchanger via corresponding exit opening.
In this degree, the utility model is based on the idea that be the heat exchange area for entering heat exchanger by optimizing
Supply/transport of solid, to avoid any obstruction in heat exchange area and continuously extraction solid is to allow solid to hand in heat
It is continuously flowed in parallel operation, the heat transmitting in Lai Gaijin heat exchange chamber room.
In this respect, it has been recognized that solid is introduced into heat exchanger (such as EP at the bottom end of heat exchanger
Disclosed in 495296A2) the additional power of needs is had the drawback that supply solid.
If solid is transported in heat exchanger via the entrance opening at the upper end of heat exchange area, recognize
It arrives, solid and the air introduced by the bottom section of heat exchange area thus the adverse current started cause solid in heat exchange area
The interior loss being randomly distributed and correspondingly result in heat transference efficiency.
These disadvantages can be avoided by a kind of design, which is characterized in that special supply passageway (chute), by solid
The bottom section guidance of entrance opening from the upper end of heat exchanger downwardly heat exchanger, wherein being flowed in solid
Before leaving chute at the lower end of slot, the efflux of solids flowed in chute is introduced in free or substantially free of air.Solid edge
Chute flow direction therefore substantially downward, and in chute free or substantially free of adverse current.
This outlet end of chute allows for solid to be transmitted to the phase of heat exchanger near the bottom of heat exchanger
It is associated in the heat transfer area of (adjacent).
This heat transfer area can design in a conventional manner, that is, have fluidisation bottom (nozzle bottom, grid), to allow
Make heat transmitting that is solids fluidized and being optimized in the heat transmitter part being arranged in the heat transfer area, and has and will consolidate
The device that body is extracted out from heat exchanger.With the solid in chute flow direction on the contrary, the solid in heat transfer area mainstream
To for upwards, and again without or substantially without adverse current, although heat transfer area fluidisation bottom generate fluidization.
Chute is the part of heat exchanger and is important component and allows the stream being downwardly oriented of solid.It is provided
The advantages of entrance opening is at the upper end of heat exchanger, particularly near its top plate or in its top plate, and thus with
It is arranged in associated separator above heat exchanger away from short distance.Material stream can be realized by gravity, not needed outer
Portion's power needs seldom external power.
Since solid can flow in chute, without any significant external force, particularly without any air supply, and
Because efflux of solids can be controlled easily and effectively without heat transmitter part in chute space.It can avoid along chute sky
Between any adverse current.
This design be not precluded within efflux of solids along/pass through chute when break solid (it is made to fluff) stream device.These
Device can are as follows: mechanical mixture device is arranged in vibration at chute wall or in chute space or pulsation device, in chute space
Interior screw spreader, or air bubble is blown in efflux of solids and is sprayed without influencing the air of the main flow direction of the solid by chute
Mouth.
Heat transfer area and chute can be arranged side by side and realize compact design using common wall.
A type of transitional region is arranged in the supply passageway (stream in the adjacent heat exchange area for extending to heat exchanger
Slot) lower end below.Along this transitional region, material stream carry out substantially 90 degree turn to (basically vertically and to
The movement of lower orientation becomes substantial horizontal stream), solid is influenced by the fluidized bed of heat exchange area later, and fluidized bed will be consolidated
Body stream pushes up, while making solids fluidized.Importantly, heat exchange area be again designed as so as to avoid air and solid it
Between any significant adverse current.
In order to allow solid to be smoothly moved into heat exchange area from chute, it is possible to provide baffle, particularly curved gear
Plate, and it is mounted in transitional region.
In its embodiment most typically, the utility model provides a kind of fluidized bed exchanger comprising at least one
Entrance opening, heat exchange area and at least one exit opening, they are arranged to allow each other obtained from associated burner
Efflux of solids via it is described opening enter heat exchanger, leave hot friendship across the heat exchange area and via the exit opening
Parallel operation, wherein
Entrance opening is arranged at the upper part of chute (20),
Chute extends downwardly from the bottom section of top section towards the heat exchanger of heat exchanger and in the bottom zone
Section nearby terminates, thus allow to have the stream being downwardly oriented by the solid of the chute,
Chute is open in its end near the bottom section, so that at least one channel is provided, so as to solid
It leaves chute and flows at least one heat exchange area for being arranged in the chute nearby and being equipped with fluidisation bottom,
Exit opening is arranged at the upper part of heat exchanger and extends from least one heat exchange area.
Although the outer shape of heat exchanger be not it is crucial, have 4 vertical exterior walls, level (lower part) bottom
It is advantageous design with box-shaped (cube) equipment of horizontal (top) top plate, and is the starting point of following disclosure, still
Do not limit the scope of the utility model.
Therefore entrance opening may be arranged in top plate, and exit opening is typically disposed at the vertical walls of heat exchange area
In.Exit opening can be the part of exit passageway, and the exit passageway is extended to from the heat exchange area by the chute
Corresponding aperture in the external vertical walls of heat exchanger.This causes efflux of solids to have loop shape, such as with reference to the accompanying drawings further
As elaboration.
Peculiar in the embodiment of the entrance opening of the top end of heat exchanger, exit passageway and exit opening
It is arranged at height more lower than entrance opening, this optimizes the overall Flow Behavior of the solid in heat exchanger again.
Very compact design provides a kind of heat exchanger, and wherein the external vertical walls of heat exchanger constitute the outside of chute
Wall, i.e. chute are arranged essentially parallel to an external vertical walls and extend, and opposite wall extends in the opposite wall area of heat exchanger
Between section.The characteristics of this design allows to establish a kind of chute, level cross-sectionn is that length is greater than its width, for example, 2:
1 arrives 8:1.
In similar embodiment, three exterior walls of the external vertical walls composition chute of three of heat exchanger, and chute
4th wall is provided by the partition wall between two that extend in heat exchanger opposite external vertical walls.
Heat exchange area includes multiple heat exchange devices, is preferably designed for pipeline and is arranged to have certain distance each other,
To provide chamber shape compartment between adjacent exchange tubes road.Pipeline in heat exchange chamber room, similarly there are also their orientations
Belong to the prior art.For example, one or more of described heat exchanging pipe may be disposed to wall-like pattern and/or be mounted on hot friendship
In the exterior wall of parallel operation.
The new structure of heat exchanger allows to be further improved heat exchange device.If one in the heat exchanging pipe
Or in the discrete and disengagable section of multiple exterior walls for being mounted on heat exchanger, then an advantageous arrangement can be achieved.This permits
Perhaps remove heat exchanger exterior wall part and thus by heat transmitter part pull out heat exchange area, so as to replace purpose, dimension
Eye protection etc.
Meanwhile the assembly of heat exchange device becomes to be more easier.
Another advantage that the described disengagable arrangement of heat transmitter part generates is that have an opportunity to select heat exchanger
The part of external vertical walls assemble heat transmitter part, this is provided about maximum space in the wall.In many power generations
In standing, be that wall is disposed parallel to burner wall, but and its away from certain distance.Particularly heat exchanger and burner wherein
In arrangement with common wall, and in this way.It is arranged to wall-like pattern and has the heat transfer conduit of certain distance then basic each other
On perpendicular to burner wall extend.
If one or more of described heat exchanging pipe is mounted on the discrete of the vertical exterior wall of heat exchanger and can
In the section of disengagement, particularly, it is mounted in the vertical exterior wall relatively extended with the exterior wall of the part for chute, then may be used
Realize similar arrangement.
Even if being arranged to the heat transmitter of so-called " wall-like pattern " (it can be realized, for example, being the sinuous outline of pipeline)
Part does not allow a large amount of solids to pass through these " heat exchange walls ", such as the space by being arranged between adjacent channel section.May be used also
Capable is arranged parallel to the exit opening of heat exchanger in the wall section of these wall-like heat exchangers extension.
As has already been mentioned above, heat exchanger may include the baffle in chute downstream, make efflux of solids from chute
Directional steering that is main vertical and being downwardly oriented arrives the main level direction in entrance heat exchange area.Baffle can be heat exchange
The discrete construction part that the corresponding shape of the exterior wall of device is formed in situ.
The heat exchanger of description typically serves as the part of burning facility, and burning facility includes: the combustion of combustion of fossil fuels
Burner has at least one outlet port of end at an upper portion thereof, wherein the outlet port allows from the burner
The gas of discharge and the mixture of solid flow at least one associated separator, so that the solid is separated with the gas；
For the solid of at least part of separation is transmitted at least one described fluidized bed exchanger from the separator
In device, including the heat exchanger of exit opening exterior wall can be formed for external firing wall it is public
Wall.This common wall can be the exterior wall of chute.
The further feature of the utility model is disclosed in dependent claims and other application documents.
Detailed description of the invention
It is now described with reference to the drawings the utility model, wherein
Fig. 1 shows the vertical cross-section of the first embodiment of heat exchanger with very illustrative way；
Fig. 2 shows the level cross-sectionn of the first embodiment of heat exchanger with very illustrative way；
Fig. 3 shows the vertical cross-section of the second embodiment of heat exchanger with very illustrative way；
Fig. 4 shows the level cross-sectionn of the second embodiment of heat exchanger with very illustrative way；
In the accompanying drawings, identical structure member or the structure member of same or like function are shown with identical label.
Specific embodiment
Fig. 1 shows ciculation fluidized bed heat exchanger 10, is used in the circulating fluidised bed apparatus of type mentioned above.Heat
Exchanger is box-shaped, and there are six exterior walls, 12, four, top plate (top wall) vertical exterior wall 14a, 14b, 14c, 14d for tool
With lower base 16.
One be shown in four the vertical side walls 14a, 14b, 14c, 14d on the left side in Fig. 1, i.e. wall 14a are
The part of the exterior wall CW of associated burner C.
Near burner wall, top plate 12 provide entrance opening 18, for obtained from associated separator (do not show, this
It is well known in the art) solid (ash) stream.Flow direction at entrance opening 18 is indicated by arrow I.It is after entrance opening 18
So-called chute 20, is access, solid along the access to flowing down, until the bottom 16 of chute and heat exchanger has centainly
The end of distance.Typically efflux of solids has free stream attribute when passing through chute 20.
This lower opening portion end of chute 20 is provided by the interior wall 22 for being parallel to the shortening of wall 14a extension, and chute
20 side wall is provided by the corresponding section that two vertical walls 14b, 14d are section near wall 14a.
This access (chute 20) is without any heat transmitter part, but its exterior wall 14a, 14v, 22, and 14d can be designed
For heat transfer wall.
Further importantly, being blown into the efflux of solids across the chute 20 without air, and in this degree, this reality
Apply example at it peculiar non-fluidized bottom section 16r at the part below chute 20.Nevertheless, device is as beaten when suitable
The vibrator of broken efflux of solids (to avoid any blocking action) can be arranged along chute section or is arranged in chute section.
Space between chute 20 and bottom section 16r is known as transitional region TR because solid in this region by from
Essentially vertical move downward turns to (along chute 20) at across the lower end 22e of interior wall 22 and bottom 16
Substantial horizontal stream when gap, wherein efflux of solids is indicated by arrow U.
The part of the bottom 16 extended in after the gap (transmission channels) is designed to conventional fluidization bottom and table
It is shown as 16c.Since fluidisation bottom is the prior art, so not being explained in more detail herein.The main purpose of this bottom is
Allow air or gas to pass through the bottom and enter the bottom 16c space above, is the heat transmitting of heat exchanger 10
Region 40.Typically air is blown into via corresponding nozzle, this is indicated in figure by arrow A.
As can be most preferably seen in Fig. 2, multiple wall-like heat transfer conduit 42a-42e are arranged in the heat transfer regions
It is pipeline in domain 40, water or steam flow through wherein as heat transfer fluid.Each " heat transfer wall ", which is characterized in that wriggling, prolongs
The corresponding pipeline stretched is indicated in Fig. 1 by six ring 42t for a heat transfer conduit 42a, in adjacent channel section
Between have certain distance, to allow solid to pass through " wall ".Each pipeline 42a-42e is mounted in wall 14c and in its end
Place is fluidly connected to central supply pipeline 43, and central supply pipeline 43 is prominent from the wall 14c of heat exchanger 10.
Pipeline 42a-42e is arranged to have certain distance each other, so that chamber shape compartment 45 is arranged in adjacent channel 42a,
42b；42b, 42c；42c, 42d；Between 42d, 42e.
The each pipeline (wall) 42a-42e is mounted in the external vertical walls 14c of heat exchanger 10, in office to allow
When wait and individually replaces.For this purpose, the corresponding installation section for each heat transfer conduit 42a-42e is the wall
It the disengagable part of 14c and is shown by label 44.This allows to assemble or extract out individually or in groups at any time pipeline
42a-42e.Preferred installation and extraction path are indicated by the arrow M in Fig. 2.
This is that solid leaves heat transfer area 40 in this embodiment, that is, passes through the same side along exit passageway 46
To exit passageway 46 is extended in the exterior wall 14a from the exit opening 48 in the interior wall 22 by the chute 20
Hole (aperture) 47.In this embodiment, access 46 is extended downwardly in a manner of being slightly slanted in exit opening 48 and hole 47
Between, and two different exit passageways 46 are arranged to have certain distance each other, and therefore provide two 48 Hes of exit opening
Two holes 47.
Enter burner C via the solid circulation that this exit opening 48 (arrow O) leaves heat exchanger section 40.
Novel heat exchanger promotes solid to form certain loop, this is indicated by means of an arrow in Fig. 1.
In the scope of the utility model, the other parts of solid are individually extracted out, such as pass through any exterior wall
The other exit openings of one or more of 14b, 14c, 14d.
Fig. 3,4 embodiment are similar to Fig. 1,2 embodiment.In this degree, unique some difference will be under
Text illustrates:
There is only one slot instead of the heat exchanger of two exit openings 48, Fig. 3,4 respectively with circular cross section
Mouth shape exit opening 48, is arranged in the upper part of a wall 14b (i.e. the exterior wall of heat exchanger), and Fig. 1, in 2
Exit opening 48 is arranged in partition wall 22, and partition wall 22 is also the exterior wall of heat exchange area 40.
It is common wall that wall 12b, which is for burner wall CW,.In other words: with Fig. 1,2 embodiment is compared, Fig. 3,
4 heat exchanger 10 turns to 90 °, becomes the position of display.
Further distinguishing characteristics is at the lower end for the inside face that curved baffle 20b is arranged in wall 14a, to allow
From vertically level is transitted smoothly to, this is shown efflux of solids by arrow U.
Claims (15)
1. a kind of fluidized bed exchanger, including at least one entrance opening (18), heat exchange area (40) and at least one go out
Mouth opening (48), they are arranged to allow each other the efflux of solids obtained from associated burner (C) via the entrance opening
(18) enter the heat exchanger (10), pass through the heat exchange area (40) and left via the exit opening (48) described
Heat exchanger (10), it is characterised in that
A) entrance opening (18) is arranged at the upper part of chute (20),
B) bottom section of the chute (20) from the top section of the heat exchanger towards the heat exchanger (10)
(16r) is extended downwardly and is nearby terminated in the bottom section (16r), to allow the solid by the chute (20) oriented
The stream of lower orientation,
C) chute (20) is open at it in the end of the bottom section (16r) nearby, leads to provide at least one
Road (TR), so that solid leaves the chute (20) and inflow is arranged in the chute (20) nearby and is equipped with fluidisation bottom
At least one heat exchange area (40) of (16c),
D) exit opening (48) is arranged at the upper part of the heat exchanger (10) and hands over from least one described heat
Change region (40) extension.
2. heat exchanger according to claim 1, which is characterized in that the exit opening (48) is arranged in the heat exchange
In the external vertical walls (12b) in region (40).
3. heat exchanger according to claim 1, which is characterized in that the exit opening (48) is exit passageway (46)
A part, the exit passageway (46) extend to the heat exchanger by the chute (20) from the heat exchange area (40)
(10) the aperture (47) in external vertical walls (14a).
4. heat exchanger according to claim 2, which is characterized in that the exit opening (48) is arranged in than the entrance
At (18) the lower height that is open.
5. heat exchanger according to claim 1, which is characterized in that the external vertical walls of the heat exchanger (10)
(14a) constitutes the exterior wall of the chute (20).
6. heat exchanger according to claim 1, which is characterized in that the external vertical walls of three of the heat exchanger (10)
(14a, 14b, 14d) constitutes three exterior walls of the chute (20), and the 4th wall of the chute (20) is by partition wall
(22) it provides, the partition wall (22) extends in two opposite external vertical walls (14b, 14d) of the heat exchanger (10)
Between.
7. heat exchanger according to claim 1, which is characterized in that the heat exchange area (40) includes multiple heat exchanges
Pipeline (42a-42e), they are arranged to have certain distance each other, to provide between adjacent heat exchanging pipe (42a-42e)
Chamber shape compartment (45).
8. heat exchanger according to claim 7, which is characterized in that one in the heat exchanging pipe (42a-42e)
Or multiple it is arranged to wall-like pattern.
9. heat exchanger according to claim 7, which is characterized in that one in the heat exchanging pipe (42a-42e)
Or in multiple vertical exterior walls (14c) for being mounted on the heat exchanger (10).
10. heat exchanger according to claim 7, which is characterized in that one in the heat exchanging pipe (42a-42e)
Or in the discrete and disengagable section (44) of multiple vertical exterior walls (14c) for being mounted on the heat exchanger (10).
11. heat exchanger according to claim 7, which is characterized in that one in the heat exchanging pipe (42a-42e)
Or in the discrete and disengagable section (44) of multiple vertical exterior walls (14c) for being mounted on the heat exchanger (10), including
The vertical exterior wall (14c) relatively extends with the external vertical walls (14a) of a part for the chute (20).
12. heat exchanger according to claim 1, which is characterized in that the chute (20) is without any heat exchanging pipe.
13. heat exchanger according to claim 1, which is characterized in that at the downstream end including the chute (20)
Baffle (20b), so that efflux of solids is from main vertical in the chute (20) and is downwardly oriented directional steering at entering institute
State main level direction when heat exchange area (40).
14. a kind of burning facility, the burner (C) including combustion of fossil fuels have at least the one of end at an upper portion thereof
A outlet port, wherein outlet port permission is flowed into from the mixture of the burner (C) gas being discharged and solid
A few associated separator, so that the solid is separated with the gas；
It is characterized in that, at least part that the burning facility further includes the solid that will be separated is transmitted from the separator
To the device at least one fluidized bed exchanger (10) according to claim 1, wherein solid leaves the heat and hands over
The external vertical walls (14a) of the heat exchanger (10) passed through when parallel operation (10) are public for external firing wall
Wall (CW).
15. burning facility according to claim 14, which is characterized in that the common wall (CW) is the chute (20)
Exterior wall.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16161403.7 | 2016-03-21 | ||
| EP16161403.7A EP3222911B1 (en) | 2016-03-21 | 2016-03-21 | A fluidized bed heat exchanger and a corresponding incineration apparatus |
| PCT/EP2017/051415 WO2017162349A2 (en) | 2016-03-21 | 2017-01-24 | A fluidized bed heat exchanger and a corresponding incineration apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208652542U true CN208652542U (en) | 2019-03-26 |
Family
ID=55587192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201790000386.3U Active CN208652542U (en) | 2016-03-21 | 2017-01-24 | Fluidized bed exchanger and corresponding burning facility |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP3222911B1 (en) |
| KR (1) | KR102106395B1 (en) |
| CN (1) | CN208652542U (en) |
| DK (1) | DK3222911T3 (en) |
| ES (1) | ES2692802T3 (en) |
| PH (1) | PH12018500278B1 (en) |
| PL (1) | PL3222911T3 (en) |
| WO (1) | WO2017162349A2 (en) |
| ZA (1) | ZA201801392B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111271699B (en) * | 2020-03-21 | 2024-05-07 | 中国能源建设集团山西省电力勘测设计院有限公司 | Heat supply network drainage system of cylinder-cut lower circulating fluidized bed cogeneration unit and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4915061A (en) | 1988-06-06 | 1990-04-10 | Foster Wheeler Energy Corporation | Fluidized bed reactor utilizing channel separators |
| US5040492A (en) | 1991-01-14 | 1991-08-20 | Foster Wheeler Energy Corporation | Fluidized bed combustion system and method having a recycle heat exchanger with a non-mechanical solids control system |
| DE4135582A1 (en) * | 1991-10-29 | 1993-05-06 | Metallgesellschaft Ag, 6000 Frankfurt, De | Fluid bed cooler for a system for the thermal treatment of granular solids in the fluidized bed |
| US5218931A (en) | 1991-11-15 | 1993-06-15 | Foster Wheeler Energy Corporation | Fluidized bed steam reactor including two horizontal cyclone separators and an integral recycle heat exchanger |
| US5341766A (en) * | 1992-11-10 | 1994-08-30 | A. Ahlstrom Corporation | Method and apparatus for operating a circulating fluidized bed system |
| US5325823A (en) | 1992-12-24 | 1994-07-05 | Foster Wheeler Energy Corporation | Large scale fluidized bed reactor |
| US5537941A (en) * | 1994-04-28 | 1996-07-23 | Foster Wheeler Energy Corporation | Pressurized fluidized bed combustion system and method with integral recycle heat exchanger |
| US5463968A (en) | 1994-08-25 | 1995-11-07 | Foster Wheeler Energy Corporation | Fluidized bed combustion system and method having a multicompartment variable duty recycle heat exchanger |
| FI102316B1 (en) * | 1996-06-05 | 1998-11-13 | Foster Wheeler Energia Oy | Method and apparatus for reducing corrosion of heat transfer surfaces by harmful components of solid suspensions |
| FI110205B (en) * | 1998-10-02 | 2002-12-13 | Foster Wheeler Energia Oy | Method and apparatus in a fluidized bed heat exchanger |
| FI116417B (en) | 2004-07-01 | 2005-11-15 | Kvaerner Power Oy | Boiler with circulating fluidized bed |
| EP2884169B1 (en) | 2013-12-16 | 2016-07-27 | Doosan Lentjes GmbH | Fluidized bed apparatus |
| CN103968704A (en) | 2014-04-15 | 2014-08-06 | 张家港市科华化工装备制造有限公司 | Heat exchanger capable of improving installation sealing performance of heat tubes |
-
2016
- 2016-03-21 EP EP16161403.7A patent/EP3222911B1/en not_active Revoked
- 2016-03-21 DK DK16161403.7T patent/DK3222911T3/en active
- 2016-03-21 PL PL16161403T patent/PL3222911T3/en unknown
- 2016-03-21 ES ES16161403.7T patent/ES2692802T3/en active Active
-
2017
- 2017-01-24 CN CN201790000386.3U patent/CN208652542U/en active Active
- 2017-01-24 KR KR1020187007587A patent/KR102106395B1/en active IP Right Grant
- 2017-01-24 WO PCT/EP2017/051415 patent/WO2017162349A2/en active Application Filing
-
2018
- 2018-02-07 PH PH12018500278A patent/PH12018500278B1/en unknown
- 2018-02-28 ZA ZA2018/01392A patent/ZA201801392B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP3222911B1 (en) | 2018-09-19 |
| EP3222911A1 (en) | 2017-09-27 |
| WO2017162349A2 (en) | 2017-09-28 |
| PH12018500278A1 (en) | 2018-08-13 |
| WO2017162349A3 (en) | 2017-11-02 |
| PL3222911T3 (en) | 2019-01-31 |
| PH12018500278B1 (en) | 2018-08-13 |
| DK3222911T3 (en) | 2018-10-22 |
| ZA201801392B (en) | 2018-12-19 |
| KR20180123002A (en) | 2018-11-14 |
| KR102106395B1 (en) | 2020-05-28 |
| ES2692802T3 (en) | 2018-12-05 |
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