CN102741642A - Gas cooler - Google Patents
Gas cooler Download PDFInfo
- Publication number
- CN102741642A CN102741642A CN2010800617586A CN201080061758A CN102741642A CN 102741642 A CN102741642 A CN 102741642A CN 2010800617586 A CN2010800617586 A CN 2010800617586A CN 201080061758 A CN201080061758 A CN 201080061758A CN 102741642 A CN102741642 A CN 102741642A
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- CN
- China
- Prior art keywords
- wall
- inwall
- gas
- gas cooler
- cone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/0008—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one medium being in heat conductive contact with the conduits for the other medium
- F28D7/0016—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one medium being in heat conductive contact with the conduits for the other medium the conduits for one medium or the conduits for both media being bent
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
- F28D7/028—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of at least one medium being helically coiled, the coils having a conical configuration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0075—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for syngas or cracked gas cooling systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Industrial Gases (AREA)
Abstract
Gas cooler (1), provided with a gas inlet (8), a gas outlet (9), an outer wall (3) fitted between the gas inlet (8) and the gas outlet (9) which connects the gas inlet (8) and gas outlet (9) to one another in a gas-tight manner, a cooling device (7), which is connected to the outer wall (3), wherein the outer wall (3) has a frustoconical shape, wherein the gas inlet (8) is situated on the base side of the cone and the gas outlet (9) is situated on the top side of the cone, and wherein an inner wall is provided at a distance from the outer wall, wherein the inner wall has a frustoconical shape, wherein an inner wall (2) is arranged at a distance from the outer wall (3) and has a frustoconical shape.
Description
Technical field
The present invention relates to a kind of gas cooler that for example is used for biomass gasification device; It is provided with air inlet; The gas outlet is installed on and makes air inlet and gas outlet with air tight manner outer wall connected to one another between air inlet and the gas outlet, and the cooling device that is connected to outer wall.
Background technology
Such gas cooler can be from for example understanding among the patent document US 5,658,359.This open file has been described a kind of gas cooler, because the solid particle that is incorporated into the air-flow from the liquid bed gasifier scrapes tar or the ash deposition thing wall from gas cooler, thereby this gas cooler can be cleaned through these solid particles.These solid particles are with the mode of injection or through liquid being expelled in the air-flow that is introduced in the cyclone separator that is present in the gas cooler upper reaches in the cooler upper reaches or the cooler; This causes the separative efficiency of cyclone separator to reduce, and passes and reach to gas cooler from the solid particle of liquid bed gasifier.In order to make solid particle be introduced in the gas cooler upper reaches or the cooler again or to get back to the liquid bed gasifier, can solid particle be separated with second cyclone separator that is connected in gas cooler output.
A problem of gas cooler is disclosed as patent document US 5,658,359, is the relative poor efficiency of cleaning course, the result cause solid particle and gas cooler wall contact relative deficiency.
Summary of the invention
One object of the present invention is to provide a kind of gas cooler, the deficiency of its elimination and/or minimizing prior art.
This purpose realizes through a kind of following gas cooler is provided: this gas cooler has air inlet, and the gas outlet is installed on and makes air inlet and gas outlet with air tight manner outer wall connected to one another between air inlet and the gas outlet; And the cooling device that is connected to outer wall, wherein, said outer wall has frustoconical shape; Wherein, air inlet is positioned at the base side of cone, and the gas outlet is positioned at the top side of cone; Be provided with inwall apart from outer wall one distance, wherein, said inwall has frustoconical shape; Wherein, the axis of the axis of the cone of inwall and the cone of said outer wall is unanimous on the whole, wherein; Said outer wall is compared inwall and is had bigger diameter, and through for outer wall is provided with nappe, said nappe is connected to each other the end of inner and outer wall; And hide the space that is surrounded by inner and outer wall, air inlet and gas outlet are communicated with the space gas that is surrounded by inwall, outer wall and nappe; Be located at the air-flow guide body between the inner and outer wall, wherein said air-flow guide body is configured to form the helical pipe between air inlet and gas outlet.
The particle that is present in the gas and gets into gas cooler through air inlet is forced to follow the spiral path from the air inlet to the gas outlet by the air-flow guide body, in this case, because action of centrifugal force, bigger particle move outwardly in the air-flow.Said bigger particle therefore be able to outer wall on tar or ash deposition thing contact, and they are scraped from outer wall.Therefore the particle that in the air-flow these are bigger becomes abrasive particle.The deposit that scrapes that has broken away from outer wall is also carried out fine grinding by said scraping particle.These particles (both comprised the scraping particle, and comprised the tar or the ash deposition thing that scrape again) are removed from air-flow by the gas cleaning plant (not shown) subsequently.Because the centrifugal force of scraping on the particle, contacting between said scraping particle and the cooling wall is ideal, thereby the removing of said tar and ash deposition thing, and so the outer wall of air-flow and gas cooler on cooling body between heat exchange also keep optimization.
Description of drawings
, will be explained in more detail with reference to embodiment through accompanying drawing the present invention.
Fig. 1 shows in the biomass gasification device simplified schematic diagram according to gas cooler of the present invention;
Fig. 2 shows the perspective view according to gas cooler of the present invention;
Fig. 3 shows the cross-sectional view according to gas cooler of the present invention; And
Fig. 4 shows the perspective detail view that is cleaned via the scraping effect of particle in the gas according to the dirty outer wall of gas cooler of the present invention.
The specific embodiment
In following description to accompanying drawing, identical parts are represented by identical Reference numeral.
Fig. 1 shows in the biomass gasification device simplified schematic diagram according to gas cooler of the present invention.As shown in Figure 1; Said biomass gasification device is by the liquid bed gasifier A of the MILENA gasifier of for example ECN (Energieonderazok Centrum Nederland) production; For example the gas cleaning plant B of the OLGA gas cleaning plant of ECN (Energieonderazok Centrum Nederland) production forms; Wherein, gas cooler C is installed between the two.
Liquid bed gasifier A gasifies living beings when temperature is about 850 ℃.The gas that produces is made up of multiple composition, also comprises tar, ash and dust.Before in being adapted at gas cleaning plant B, being for further processing, gas is cooled to about 350-550 ℃ temperature in gas cooler C.The latter (gas cleaning plant B) cleans said gas, so that make it be adapted at for example using in the gas turbine.
Fig. 2 shows the perspective view according to gas cooler 1 of the present invention.The figure shows outer wall 3 with cooling body 7, nappe 4 on the air inlet side and the nappe 5 on the side of giving vent to anger, said cooling body 7 is installed in the outside of said outer wall 3, and said nappe hides the space that is surrounded by outer wall 3, air inlet 8 and gas outlet 9.With reference to the following description of Fig. 3, with the structure of describing in detail as shown in Figure 2.
Fig. 3 shows the cross-sectional view according to gas cooler of the present invention.This embodiment according to gas cooler of the present invention shows gas cooler 1, and said gas cooler 1 comprises: inwall 2, and it has frustoconical shape; Outer wall 3 is installed in apart from inwall 2 one distance, has frustoconical shape equally, and wherein, the axis of the cone of the axis of the cone of outer wall 3 and said inwall 2 is unanimous on the whole, and wherein, it is bigger that outer wall 3 is compared inwall 2 diameters; Nappe 4 on the air inlet side and the nappe 5 on the side of giving vent to anger, they hide the end of inwall 2 and outer wall 3 respectively, and these ends are connected to each other; Air-flow guide body 6, it is installed between inwall 2 and the outer wall 3,9 in air inlet 8 and gas outlet, also forms helical pipe at inwall 2 and 3 of outer walls simultaneously; Cooling body 7, it is connected with outer wall 3; And air inlet 8 and gas outlet 9.
In use, hot gas gets into said gas cooler 1 via air inlet 8, and said air-flow guide body 6 is configured to form the helical pipe between said inwall 2 and outer wall 3, and therefore, said gas is compelled to be passed this pipeline along helical path and reach to the gas outlet 9.Since the cone shape of high flow rate and inwall 2 and outer wall 3, the compelled centrifugal force that receives of said gas.In order to produce above-mentioned centrifugal force, said inwall 2 has frustoconical shape with outer wall 3.Produce constant and sufficiently high flow velocity in whole the section will passing through through gas in gas cooler 1; Said cone shape guarantees also to prevent that the particle in the gas from landing or deposition in the corner of cone (that is to say outer wall 3 and nappe 4 or 5 infalls).Because action of centrifugal force, be present in the outer wall 3 that larger particles in the gas moves to said gas cooler 1.These larger particles scrape tar or ash and any deposit of being trapped in other particles wherein through adhesion from said outer wall 3.With reference to figure 4, will illustrate in greater detail this cleaning mechanism.
As stated, cooling body 7 is located on the said outer wall 3, with cooling outer wall 3 and the hot gas that flows through said outer wall 3.Among Fig. 3, this cooling body 7 has spiral-shaped, as long as but can realize the even cooling of whole outer wall 3, it also can have other shapes.Among Fig. 3, said nappe 4 and 5 is the form of flat dome, but other embodiments obviously also are feasible.
Fig. 4 shows according to the dirty outer wall 3 of gas cooler 1 of the present invention the perspective detail view that the just scraping effect through particle in the gas is cleaned.In addition, in order to understand accompanying drawing better, also show inwall 2 and cooling body 7, and nappe 4 and 5 are not shown.Said figure is divided into the part (left side) that said dirty outer wall 3 is shown, and the part (right side) that clean outer wall 3 is shown.The left side of Fig. 4 shows tar or the ash deposition thing 12 on outer wall 3.These tar or ash deposition thing 12 possibly also contain through adhesion and be trapped in dust granule wherein.Centrifugal force forces the larger particles 11 that exists in the said gas to move to outer wall 3, and said larger particles 11 scrapes said tar or ash deposition thing 12 at this from said outer wall 3.The right side of figure shows clean outer wall 3.In addition, it also shows scraping particle 11 together with deposit 12 ', and said deposit 12 ' has been wiped off by these particles 11 and broken away from from said outer wall 3, and like being ground very carefully by scraping particle 11.These particles (comprising said scraping particle 11 and said tar that scrapes or ash deposition thing 12 ') are removed from air-flow by the gas cleaning plant (not shown) subsequently.Through removing said tar or ash deposition thing 12, the heat transfer between the cooling body 7 on air-flow and the said outer wall 3 is desirable.
In addition, in order to prevent chilled outer wall 3 and the inwall that will remain on higher temperature (preferably, being the temperature of gas itself) 2 contacts, it is favourable making air-flow guide body 6 and outer wall 3 heat insulations.In order to prevent gas particles, especially tar, ash and dust, with for example condensation or adhere to the mode that is deposited on the particle on the inwall 2 and on this wall, deposit, this inwall 2 is maintained at a higher temperature.
In order to prevent that once more chilled outer wall 3 from contacting with said inwall 2, it also is favourable making said nappe 4 and 5 heat insulations.This also can prevent the heat exchange between said gas and the surrounding environment.
In addition, it is favourable on said inwall 2, the mechanism that can regulate this wall temperature being set.This calandria that for example is connected to said inwall 2 capable of using is implemented.In the use, the temperature of said inwall 2 also can be regulated through letting flow of liquid cross the space that is surrounded by inwall 2.In this case, can consider another hot gas or the liquid that other parts of gasification installation produce.
Also advantageously, said gas cooler 1 is provided with injecting body 13, the extra scraping particle such as the grains of sand being incorporated in the air-flow, thereby optimizes the cleaning of said gas cooler 1.Said injecting body 13 can be installed in a plurality of positions in the gas cooler 1.Said injecting body 13 also can be installed on the upper reaches, that is to say the outside of said gas cooler 1.
It also is favourable that the cone drift angle of said outer wall 3 is remained on 1 ~ 15 °.More blunt angle possibly cause increasing in the deposition of the fringe region gas particles of the cone base of said outer wall 3; Sharper angle possibly have effect same in the cone top side of said outer wall 3.
In addition, giving in the cross section with the place of meeting at right angles, axis of the cone of the cone of said inwall 2 or outer wall 3 also possibly be favourable with elliptical shape.Like this, perhaps be present in the whole gas pipeline in the gas cooler 1 in the part, the condition that flows can be optimized.
Claims (9)
1. a gas cooler (1) is provided with air inlet (8), gas outlet (9); Be installed on and make air inlet (8) and gas outlet (9) between air inlet (8) and gas outlet (9) with air tight manner outer wall connected to one another (3), and the cooling device (7) that is connected to outer wall (3), it is characterized in that; Said outer wall (3) has frustoconical shape; Wherein, air inlet (8) is positioned at the base side of cone, and gas outlet (9) are positioned at the top side of cone; And; Be provided with inwall (2) apart from outer wall (3) one distance, wherein, said inwall (2) has frustoconical shape; Wherein, The axis of the cone of the axis of the cone of inwall (2) and said outer wall (3) is unanimous on the whole, and wherein, said outer wall (3) is compared inwall (2) and had bigger diameter; And said outer wall (3) is provided with nappe (4,5), and said nappe (4,5) is connected to each other the end of inwall (2) and outer wall (3), and hides the space that is surrounded by inwall (2) and outer wall (3); And air inlet (8) and gas outlet (9) are communicated with this space gas that is surrounded by inwall (2), outer wall (3) and nappe (4,5); And, be provided with air-flow guide body (6) between said inwall (2) and the outer wall (3), wherein, said air-flow guide body (6) is configured to form the helical pipe between air inlet (8) and gas outlet (9), said air-flow guide body (6) and outer wall (3) heat insulation.
2. gas cooler according to claim 1 (1) is characterized in that, said nappe (4,5) makes said inwall (2) and said outer wall (3) heat insulation.
3. according to each the described gas cooler (1) in the aforementioned claim, it is characterized in that, be provided with the mechanism of the temperature of in use regulating inwall (2) in the space that said inwall (2) is gone up or surrounded by inwall (2).
4. gas cooler according to claim 3 (1) is characterized in that said thermoregulation mechanism comprises the calandria that is connected to said inwall (2).
5. according to claim 3 or 4 described gas coolers (1), it is characterized in that said thermoregulation mechanism in use comprises the fluid in the space that surrounded by said inwall (2) of flowing through.
6. according to each the described gas cooler (1) in the aforementioned claim, it is characterized in that it is provided with the injection mechanism (13) that is used for the scraping particle is injected to air-flow.
7. according to each the described gas cooler (1) in the aforementioned claim, it is characterized in that the drift angle angle of the cone of said outer wall (3) is between 1 ~ 15 °.
8. according to each the described gas cooler (1) in the aforementioned claim, it is characterized in that having elliptical shape with the rectangular cross section in axis of the cone of the cone of said inwall (2) or outer wall (3).
9. by liquid bed gasifier, gas cleaning plant and the assembly that constitutes according to each the described gas cooler (1) in the aforementioned claim.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL2003917A NL2003917C2 (en) | 2009-12-07 | 2009-12-07 | GAS COOLER. |
| NL2003917 | 2009-12-07 | ||
| PCT/NL2010/050819 WO2011071374A2 (en) | 2009-12-07 | 2010-12-03 | Gas cooler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102741642A true CN102741642A (en) | 2012-10-17 |
| CN102741642B CN102741642B (en) | 2014-05-14 |
Family
ID=42358283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080061758.6A Active CN102741642B (en) | 2009-12-07 | 2010-12-03 | Gas cooler |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN102741642B (en) |
| NL (1) | NL2003917C2 (en) |
| WO (1) | WO2011071374A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090703A (en) * | 2013-02-20 | 2013-05-08 | 上海光建传动控制设备有限公司 | Spirally-flowing-type heat exchanger |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1015456B (en) * | 1954-10-14 | 1957-09-12 | Kloeckner Humboldt Deutz Ag | Heat exchanger |
| EP0047152A2 (en) * | 1980-08-29 | 1982-03-10 | Inquimet Sociedad Anonima Industrial Comercial Y Agraria | Heat exchanger |
| US4612086A (en) * | 1984-05-11 | 1986-09-16 | Inquimet Sociedad Anonima Industrial Comercial Y Agraria | Evaporators |
| CN2128728Y (en) * | 1992-07-10 | 1993-03-24 | 苏州市振兴动力设备辅件厂 | Efficient cylindrical spiral conduit flow cooling unit |
| US5658359A (en) * | 1994-08-23 | 1997-08-19 | Foster Wheeler Energia Oy | Method of operating a fluidized bed reactor system, and system for cleaning gas cooler |
| EP2042821A2 (en) * | 2007-09-28 | 2009-04-01 | Robert Bosch GmbH | Heat exchanger |
-
2009
- 2009-12-07 NL NL2003917A patent/NL2003917C2/en active
-
2010
- 2010-12-03 CN CN201080061758.6A patent/CN102741642B/en active Active
- 2010-12-03 WO PCT/NL2010/050819 patent/WO2011071374A2/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1015456B (en) * | 1954-10-14 | 1957-09-12 | Kloeckner Humboldt Deutz Ag | Heat exchanger |
| EP0047152A2 (en) * | 1980-08-29 | 1982-03-10 | Inquimet Sociedad Anonima Industrial Comercial Y Agraria | Heat exchanger |
| US4612086A (en) * | 1984-05-11 | 1986-09-16 | Inquimet Sociedad Anonima Industrial Comercial Y Agraria | Evaporators |
| CN2128728Y (en) * | 1992-07-10 | 1993-03-24 | 苏州市振兴动力设备辅件厂 | Efficient cylindrical spiral conduit flow cooling unit |
| US5658359A (en) * | 1994-08-23 | 1997-08-19 | Foster Wheeler Energia Oy | Method of operating a fluidized bed reactor system, and system for cleaning gas cooler |
| EP2042821A2 (en) * | 2007-09-28 | 2009-04-01 | Robert Bosch GmbH | Heat exchanger |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090703A (en) * | 2013-02-20 | 2013-05-08 | 上海光建传动控制设备有限公司 | Spirally-flowing-type heat exchanger |
| CN103090703B (en) * | 2013-02-20 | 2016-02-03 | 上海光建传动控制设备有限公司 | Rotational flow heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011071374A3 (en) | 2011-10-27 |
| WO2011071374A2 (en) | 2011-06-16 |
| CN102741642B (en) | 2014-05-14 |
| NL2003917C2 (en) | 2011-06-09 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181205 Address after: Musles, Netherlands Patentee after: Milena Olga joint innovation asset management private limited company Address before: Petten Patentee before: Stichting Energieonderzoek Centrum Nederland |
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| TR01 | Transfer of patent right |