CN102671410A - Sensible heat recovery device with ash capture for preventing slag bonding and staining - Google Patents
Sensible heat recovery device with ash capture for preventing slag bonding and staining Download PDFInfo
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- CN102671410A CN102671410A CN2012101725042A CN201210172504A CN102671410A CN 102671410 A CN102671410 A CN 102671410A CN 2012101725042 A CN2012101725042 A CN 2012101725042A CN 201210172504 A CN201210172504 A CN 201210172504A CN 102671410 A CN102671410 A CN 102671410A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The invention provides a sensible heat recovery device with ash capture for preventing slag bonding and staining, which comprises a heat recovery unit. The heat recovery unit comprises a housing, and a high-temperature section radiation heat exchange unit and a low-temperature section convection heat exchange unit are sequentially arranged in the housing along an airstream direction of high-temperature gas. The sensible heat recovery device is characterized by also comprising a slag collecting chamber for effectively capturing fused slag in high-temperature gas; the slag collecting chamber is connected with an air inlet arranged on the housing through a transition section; and a chilling section is arranged between the high-temperature section radiation heat exchange unit and the low-temperature section convection heat exchange unit, and the chilling section cools the gas entering the low-temperature section convection heat exchange unit, so that gaseous alkali metal contained in the gas can not be condensed in the low-temperature section convection heat exchange unit. The sensible heat recovery device capable of effectively preventing a heated surface from being slagged and stained disclosed by the invention is particularly suitable for recovery of high-temperature ash gas generated after combustion or gasification of easily-stained or slagged coal.
Description
Technical field
The present invention relates to a kind of being used for to producing the device that the high temperature dusty gas carries out the sensible heat recovery after carbonaceous fuel gasifying or the burning.
Background technology
(English full name is integrated gasification combined cycle plants: Integrated Coal Gasification Combined Cycle; Hereinafter to be referred as IGCC) be one of cutting edge technology of current global clean energy resource utilization; Itself and common coal fired power generation compared with techniques; Advantage is to utilize coal resources more efficiently, and significantly reduces the discharging of Air thing.In the IGCC system, the energy recycle device equipment that is absolutely necessary.Compare with chilling process, adopt heat recovering device can increase substantially system effectiveness, recyclable 15～25% the energy that is equivalent to the raw coal low heat valve makes heating gas efficient reach 90～95%, and the IGCC net efficiency improves 4～5% (comparing with pot destroying process).It mainly is to be main with the waste heat boiler form (radiation+convection current waste heat boiler) used in the Texaco gasifier and the chilling process (Quench+convection current waste heat boiler) of Shell gasification furnace that employed energy recycle device is gone up in industry at present.The heating surface of texaco gasification technology is the single or multiple lift water wall structure, and the problem that industrial table reveals is that heating surface slagging scorification, dust stratification are serious, has a strong impact on the security of operation.Main cause is that the molten state lime-ash that carries in the gas bonds on heating surface, reduces the exchange capability of heat of heating surface, and forms stifled slag, causes interruption of service when serious.Shell gasification technology safety in operation is better, but the Quench process can reduce the energy quality of synthesis gas to a great extent, reduces whole efficiency, improves the operating cost of system.
For this reason; For being prone to contamination, slagging scorification coal; Press for exploitation and a kind ofly can effectively prevent heating surface slagging scorification, contamination; And have simple in structure, easy to operate energy recycle device, be of great practical significance and industrial application value, further promote the large-area applications of industries such as IGCC, Coal Chemical Industry in China to improving IGCC system generating efficiency, availability and coal applicability.
Summary of the invention
The purpose of this invention is to provide a kind of energy recycle device that is used for the IGCC system that can prevent heating surface slagging scorification, dust stratification.
In order to achieve the above object; Technical scheme of the present invention has provided a kind of anti-slagging scorification of lime-ash seizure and heat recovering device of contamination of having; Comprise heat recovery units, heat recovery units comprises housing, and the airflow direction along high-temperature gas in housing is provided with high temperature section radiation heat transfer unit and low-temperature zone heat convection unit successively; It is characterized in that: also comprise slag trapping chamber; By slag trapping chamber the molten ash in the high-temperature gas is effectively caught, slag trapping chamber links to each other with air inlet on being located at housing through changeover portion, between high temperature section radiation heat transfer unit and low-temperature zone heat convection unit, is provided with the Quench section; By the Quench section gas that gets into low-temperature zone heat convection unit is lowered the temperature, thereby the gaseous bases metal that makes gas contain can't condensation in low-temperature zone heat convection unit.
Preferably, said high temperature section radiation heat transfer unit comprises the gas channeling chamber, and the gas channeling chamber is positioned at said air inlet place, below the gas channeling chamber, is provided with radiation heating-surface; Said low-temperature zone heat convection unit comprises convection heating surface, below convection heating surface, is provided with discharge chamber, and gas is discharged via the gas vent that is arranged on the said housing through discharge chamber.
Preferably, said radiation heating-surface is the multilayer water wall structure, and water-cooling wall adopts straight tube and/or coil pipe; Said convection heating surface is the coil pipe or the coiled pipe water-cooling wall of the multilayer of employing single hop or multistage layout.
Preferably; Said slag trapping chamber comprises pressure housing; On pressure housing, be provided with slag trapping chamber's inlet, in pressure housing, be provided with and catch the slag device, catch the below that the slag device is positioned at slag trapping chamber's inlet; High-temperature gas is got in the pressure housing by slag trapping chamber inlet and gets into said heat recovery units through said changeover portion via catching after the slag device is caught slag, catch the slag device below be provided with the slag bath that places in the pressure housing.
Preferably, said pressure housing, said slag device and the said slag trapping chamber inlet coaxial arrangement of catching.
Preferably, the liner of said pressure housing is a refractory material, on the sidewall of said slag bath, is provided with overfall, and refractory material is arranged in the top of overfall and is supported by the gripper shoe that is positioned at the overfall top.
Preferably, said lower end of catching the slag device is higher than the height of the liquid level of said slag bath, and the said slag device of catching is processed by high-temperature alloy or ceramic material.
Preferably, the said slag device of catching comprises the cylindrical shell that is made by high-temperature alloy material or ceramic prepared material, and the middle part of cylindrical shell forms allows the central passage that high-temperature gas passes through, and on the lateral surface of cylindrical shell and inwall, is respectively equipped with one deck refractory coating.
Preferably, said changeover portion is controlled at more than 750 ℃ through the Outlet Gas Temperature of Water Cooling Technology with said high temperature section radiation heat transfer unit.
Preferably, said changeover portion comprises the cylindrical shape pressure housing, on the inwall of cylindrical shape pressure housing, is furnished with water-cooling wall, is angle between the axis of cylindrical shape pressure housing and the horizontal line ,-60 °≤α≤60 °.
Preferably, the said Quench section gas that will get into said low-temperature zone heat convection unit is cooled to below 550 ℃.
Preferably; Said Quench section comprises the waisting structure between said high temperature section radiation heat transfer unit and said low-temperature zone heat convection unit; On the sidewall of waisting structure, be provided with the Quench spout; Form angle β, 30 °≤β≤60 ° between the center line of each Quench spout and the said high temperature section radiation heat transfer unit axis.
Mentality of designing of the present invention is: the recovery of high-temperature gas energy is divided into high temperature section and two parts of low-temperature zone according to the height of temperature.The high temperature section heat exchange is main with radiation, and the low-temperature zone heat exchange is main with convection current.The high temperature section sensible heat is gone up in industry at present, and to reclaim the subject matter that runs into be that molten ash very easily forms slagging scorification in the high-temperature gas on the heating surface surface in cooling procedure, thereby reduce the heat exchange effect, influence the safe operation of equipment; It is for containing gaseous bases metals such as more Na, K in the gas that is produced after high-alkali coal combustion or the gasification that the low-temperature zone sensible heat reclaims the problem that runs into; Condensation takes place in these gaseous bases metals and alkali metal oxide in 550-750 ℃ of temperature range, and presents higher viscosity, very easily on the heating surface surface, condenses to form to stain bottom; Under reducing atmosphere; Through form material such as complex salt with acidic materials generation chemical reaction, this material has stronger viscosity under this temperature, can catch a large amount of flying dusts; Thereby make the heating surface occurrence of large-area stain, influenced heat exchange efficiency and equipment availability greatly.The present invention adopts high temperature to catch measures such as slag technology and low temperature Quench technology; To get into before the heat recovery units the most of lime-ash in the high-temperature gas through design slag trapping chamber effectively catches; Reduce the possibility that slagging scorification, contamination take place on the heat recovery units internal heating surface to greatest extent, simultaneously, be prone to take place the convection heating surface entry design Quench section that heating surface stains; Effectively the temperature of the interior gas of control low-temperature heat exchange parts is below 550 ℃; Avoid the temperature range that the gaseous bases metal oxide is prone to bonding, thereby effectively prevent the generation of the slagging scorification of heat recovery units heating surface, contamination, specifically describe as follows:
(1) high temperature is caught the slag technology: adopt high temperature to catch the slag technology; Through slag trapping chamber is set before heat recovery units; Molten ash in the high-temperature gas is effectively caught; Thereby reduce to get into the lime-ash concentration of high-temperature gas in the heat recovery units significantly, reduced slagging scorification, inclination to soiling to greatest extent, fundamentally solved the possibility of heating surface generation slagging scorification, contamination at recuperation of heat unit's internal heating surface;
(2) heat recovery units inlet gas temperature control technique: between slag trapping chamber and heat recovery units, be furnished with changeover portion; This section adopts Water Cooling Technology; Can under the situation of device load variations, regulate the temperature of heat recovery units import; Outlet temperature to regulate radiation heating-surface is higher than 750 ℃, prevents the large-area contamination of the heating surface that takes place because of the alkali metal condensation;
(3) low temperature Quench technology: for temperature range 550-750 ℃ that is prone to the contamination of generation alkali metal flying dust, the present invention adopts the Quench technology in short time and space, rapidly gas temperature to be dropped to below 550 ℃, with the protection heating surface.Because the existence of Quench gas can increase gas flow and the gas flow rate that gets into convection section, increase the coefficient of heat transfer of convection heating surface and the dust stratification on heating surface surface effectively simultaneously, improve the heat exchange effect of heat exchanger.
Advantage of the present invention is:
1, adopts distinctive slag trapping chamber structure, can catch the molten state lime-ash more than 90%, and collect in the slag bath, make the present invention have the slagging prevention capacity that other energy recycle devices do not have;
2, coal applicability of the present invention is wide, to ash fusion point and natrium potassium salt content require low;
3, the amount of Quench gas required for the present invention is few, and operating cost is low.Adopt the Quench cooling in low-temperature zone, because cooling extent is little, the method gas consumption of higher temperatures section Quench is few, and GAS QUALITY is high than additive method;
4, the present invention is simple in structure, and is easy to maintenance, reduces operating cost.Because slag trapping chamber to the high catch rate of lime-ash, can reduce the operating cost of follow-up cleaner.
5, heat exchange efficiency of the present invention is high.As everyone knows, radiation heat transfer is under the situation that gas componant is confirmed, temperature is the decisive factor that influences exchange capability of heat.The present invention can adopt the multilayer heating surface to increase heat exchange area under the situation that guarantees the not slagging scorification of high temperature heat transfer zone heating surface.Adopt coil pipe or coiled pipe membrane wall to carry out transversal flow in the heat convection district, improve surperficial heat-transmission coefficient, and then improve heat exchange efficiency.
Description of drawings
Fig. 1 has the general structure sketch map of the heat recovering device of anti-slagging scorification that lime-ash catches and contamination for a kind of among the embodiment;
Fig. 2 is the slag trapping chamber's structural representation among Fig. 1.
The specific embodiment
For making the present invention more obviously understandable, now with preferred embodiment, and conjunction with figs. elaborates as follows.
Following examples 1 and embodiment 2 have all adopted and as shown in Figure 1 have a kind ofly had anti-slagging scorification that lime-ash catches and the heat recovering device of contamination comprises slag trapping chamber 1 and heat recovery units 15, and slag trapping chamber 1 links to each other with the air inlet of heat recovery units 15 through changeover portion 6.
Wherein, in conjunction with Fig. 2, slag trapping chamber 1 comprises pressure housing 2, arranges slag trapping chamber's inlet 4 on the top of pressure housing 2, and slag device 3 is caught in suspension in pressure housing 2, catches the below that slag device 3 is positioned at slag trapping chamber's inlet 4.Catching slag device 3 is processed by high-temperature alloy or ceramic material.Catch slag device 3 and comprise the cylindrical shell that is made by high-temperature alloy material or ceramic prepared material, the middle part of cylindrical shell forms allows the central passage that high-temperature gas passes through, and on the lateral surface of cylindrical shell and inwall, is respectively equipped with one deck refractory coating.When high-temperature gas is passed through by central passage, on cylindrical shell, radially form liquid ash slag blanket and solid-state ash bed from inside to outside successively.Pressure housing 2, catch slag device 3 and slag trapping chamber 4 coaxial arrangement that enter the mouth.Catch slag device 3 below be provided with the slag bath 5 that places in the pressure housing 2.The lower end of catching slag device 3 is higher than the height of the liquid level of said slag bath 5.Catch slag device 3 and mainly be used for catching the liquid lime-ash that gets into by slag trapping chamber's inlet 4, in slag bath 5, collect and cooling.The liner of pressure housing 2 is a refractory material 17; On the sidewall of slag bath 5, be provided with overfall 19; Refractory material 17 is arranged in the top of overfall 19 and is supported by the gripper shoe that is positioned at overfall 19 tops 18, prevents that with this refractory material 17 from occurring damaging because of the variation of thermal stress.External water is injected in the slag bath 5 through cooling water inlet.
High-temperature gas gets into through slag trapping chamber inlet 4 and catches slag device 3 and catch slag and since catch slag device 3 below have slag bath 5, the high-temperature gas of catching behind the slag turns to, and is positioned at the circular passage of catching slag device 3 sides thereby get into, and gets into changeover portion 6 through the slag trapping chamber gas outlet again.Changeover portion 6 comprises the cylindrical shape pressure housing, on the inwall of cylindrical shape pressure housing, is furnished with water-cooling wall.Changeover portion 6 is through the temperature that the Water Cooling Technology regulation and control get into heat recovery units high temperature dusty gas, makes that the Outlet Gas Temperature of high temperature section radiation heat transfer unit is controlled at more than 750 ℃ in the heat recovery units 15.Be angle between the axis of cylindrical shape pressure housing and the horizontal line ,-60 °≤α≤60 °.
Heat recovery units 15 comprises housing 9, and the airflow direction along high-temperature gas in housing 9 is provided with high temperature section radiation heat transfer unit, Quench section 10 and low-temperature zone heat convection unit successively.Wherein, high temperature section radiation heat transfer unit comprises gas channeling chamber 7, and gas channeling chamber 7 is positioned at the air inlet place of housing 9, below gas channeling chamber 7, is provided with radiation heating-surface 8.The effect of the buffer gas and the adjustments of gas flow direction is played in gas channeling chamber 7.Radiation heating-surface 8 is the multilayer water wall structure, and water-cooling wall adopts straight tube or coil pipe or both combinations, plays adjustment gas direction and the slightly effect of climate comfort.
The gas that will be got into low-temperature zone heat convection unit by Quench section 10 is cooled to below 550 ℃; Wherein, Quench section 10 comprises the waisting structure 12 between said high temperature section radiation heat transfer unit and said low-temperature zone heat convection unit; On the sidewall of waisting structure 12, evenly be furnished with Quench spout 11, form angle β, 30 °≤β≤60 ° between the center line of each Quench spout 11 and the said high temperature section radiation heat transfer unit axis.
Low-temperature zone heat convection unit comprises convection heating surface 14, below convection heating surface 14, is provided with discharge chamber 13, and gas is discharged via the gas vent 16 that is arranged on the housing 9 through discharge chamber 13.Convection heating surface 14 is the coil pipe or the coiled pipe water-cooling wall of the multilayer of employing single hop or multistage layout.
Embodiment 1
The dry powder gasification furnace that daily handling ability is 3000 tons of coals, vapor pressure is 4.0MPa, and slag trapping chamber's inlet temperature is 1300 ℃ behind the gasification synthesis gas, and going out the vaporizer total gas flow rate is 26706Nm3/h.Slag trapping chamber's internal diameter is 3.6m, and catching slag device 3 internal diameters is 2.5m, catches the slag device and adopts high-temperature alloy steel; The surface is provided with the refractory coating material, and synthesis gas gets into gas channeling chamber 7 after changeover portion 6 chilling temperatures will be for 1250 ℃, and radiation heating-surface 8 adopts trilamellar membrane formula water wall structures; Gas outlet temperature is 780 ℃; Gas temperature is 530 ℃ after 10 coolings of Quench section, and convection heating surface 14 adopts membrane type coil wall structure, 260 ℃ of gas vents.Its coal analysis is as shown in the table:
| Title | Unit | Numerical value |
| Low heat valve | MJ/kg | 22.76 |
| The As-received ash content | ％ | 11 |
| Car | ％ | 60.33 |
| Har | ％ | 3.62 |
| Oar | ％ | 9.95 |
| Nar | ％ | 0.69 |
| Sar | ％ | 0.41 |
| SiO2 | ％ | 36.71 |
| Al2O3 | ％ | 13.99 |
| Fe2O3 | ％ | 13.85 |
| CaO | ％ | 22.92 |
| K2O | ％ | 0.72 |
| Na2O | ％ | 1.23 |
| DT | ℃ | 1130 |
| ST | ℃ | 1160 |
| FT | ℃ | 1210 |
Embodiment 2
The dry powder gasification furnace that daily handling ability is 3000 tons of coals, vapor pressure is 4.0MPa, and slag trapping chamber's inlet temperature is 1400 ℃ behind the gasification synthesis gas, and gasification synthesis gas total amount is 27402Nm3/h.Slag trapping chamber's internal diameter is 3.7m, and catching slag device 3 internal diameters is 2.5m, catches the slag device and adopts high-temperature alloy steel; The surface is provided with the refractory coating material, and synthesis gas gets into gas channeling chamber 7 after changeover portion 6 chilling temperatures will be for 1360 ℃, and radiation heating-surface 8 adopts the individual layer film water cold wall structures; Gas outlet temperature is 730 ℃, and the Quench section does not adopt shock gas, directly gets into convection heating surface 14; Convection heating surface 14 adopts membrane type coil wall structure, 260 ℃ of gas vents.
Claims (12)
1. one kind has the anti-slagging scorification of lime-ash seizure and the heat recovering device of contamination; Comprise heat recovery units (15); Heat recovery units (15) comprises housing (9); Airflow direction along high-temperature gas in housing (9) is provided with high temperature section radiation heat transfer unit and low-temperature zone heat convection unit successively, it is characterized in that: also comprise slag trapping chamber (1), by slag trapping chamber (1) molten ash in the high-temperature gas is effectively caught; Slag trapping chamber (1) links to each other with air inlet on being located at housing (9) through changeover portion (6); Between high temperature section radiation heat transfer unit and low-temperature zone heat convection unit, be provided with Quench section (10), by Quench section (10) gas that gets into low-temperature zone heat convection unit is lowered the temperature, thereby the gaseous bases metal that makes gas contain can't condensation in low-temperature zone heat convection unit.
2. a kind of anti-slagging scorification of lime-ash seizure and heat recovering device of contamination of having as claimed in claim 1; It is characterized in that: said high temperature section radiation heat transfer unit comprises gas channeling chamber (7); Gas channeling chamber (7) is positioned at said air inlet place, is provided with radiation heating-surface (8) in the below of gas channeling chamber (7); Said low-temperature zone heat convection unit comprises convection heating surface (14), is provided with discharge chamber (13) in the below of convection heating surface (14), and gas is discharged via the gas vent (16) that is arranged on the said housing (9) through discharge chamber (13).
3. a kind of anti-slagging scorification of lime-ash seizure and heat recovering device of contamination of having as claimed in claim 2, it is characterized in that: said radiation heating-surface (8) is the multilayer water wall structure, water-cooling wall adopts straight tube and/or coil pipe; Said convection heating surface (14) is the coil pipe or the coiled pipe water-cooling wall of the multilayer of employing single hop or multistage layout.
4. a kind of anti-slagging scorification of lime-ash seizure and heat recovering device of contamination of having as claimed in claim 1; It is characterized in that: said slag trapping chamber (1) comprises pressure housing (2); On pressure housing (2), be provided with slag trapping chamber's inlet (4); In pressure housing (2), be provided with and catch slag device (3); Catch slag device (3) and be positioned at the below of slag trapping chamber inlet (4), high-temperature gas is got in the pressure housings (2) by slag trapping chamber's inlet (4) and gets into said heat recovery units (15) through said changeover portion (6) via catching after slag device (3) is caught slag, is provided with the slag bath (5) that places in the pressure housing (2) in the below of catching slag device (3).
5. a kind of anti-slagging scorification of lime-ash seizure and heat recovering device of contamination of having as claimed in claim 4 is characterized in that: said pressure housing (2), said slag device (3) and said slag trapping chamber inlet (4) coaxial arrangement of catching.
6. a kind of anti-slagging scorification of lime-ash seizure and heat recovering device of contamination of having as claimed in claim 4; It is characterized in that: the liner of said pressure housing (2) is refractory material (17); On the sidewall of said slag bath (5), be provided with overfall (19), refractory material (17) is arranged in the top of overfall (19) and is supported by the gripper shoe (18) that is positioned at overfall (19) top.
7. a kind of anti-slagging scorification of lime-ash seizure and heat recovering device of contamination of having as claimed in claim 4; It is characterized in that: said lower end of catching slag device (3) is higher than the height of the liquid level of said slag bath (5), and the said slag device (3) of catching is processed by high-temperature alloy or ceramic material.
8. a kind of anti-slagging scorification of lime-ash seizure and heat recovering device of contamination of having as claimed in claim 4; It is characterized in that: the said slag device (3) of catching comprises the cylindrical shell that is made by high-temperature alloy material or ceramic prepared material; The middle part of cylindrical shell forms allows the central passage that said high-temperature gas passes through, and on the lateral surface of cylindrical shell and inwall, is respectively equipped with one deck refractory coating.
9. a kind of anti-slagging scorification of lime-ash seizure and heat recovering device of contamination of having as claimed in claim 1, it is characterized in that: said changeover portion (6) is controlled at more than 750 ℃ through the Outlet Gas Temperature of Water Cooling Technology with said high temperature section radiation heat transfer unit.
10. a kind of anti-slagging scorification of lime-ash seizure and heat recovering device of contamination of having as claimed in claim 1; It is characterized in that: said changeover portion (6) comprises the cylindrical shape pressure housing; On the inwall of cylindrical shape pressure housing, be furnished with water-cooling wall; Be angle between the axis of cylindrical shape pressure housing and the horizontal line ,-60 °≤α≤60 °.
11. a kind of anti-slagging scorification of lime-ash seizure and heat recovering device of contamination of having as claimed in claim 1, it is characterized in that: the gas that said Quench section (10) will get into said low-temperature zone heat convection unit is cooled to below 550 ℃.
12. a kind of anti-slagging scorification of lime-ash seizure and heat recovering device of contamination of having as claimed in claim 1; It is characterized in that: said Quench section (10) comprises the waisting structure (12) between said high temperature section radiation heat transfer unit and said low-temperature zone heat convection unit; On the sidewall of waisting structure (12), be provided with Quench spout (11); Form angle β, 30 °≤β≤60 ° between the center line of each Quench spout (11) and the said high temperature section radiation heat transfer unit axis.
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| CN201210172504.2A CN102671410B (en) | 2012-05-29 | 2012-05-29 | Sensible heat recovery device with ash capture for preventing slag bonding and staining |
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| CN201210172504.2A CN102671410B (en) | 2012-05-29 | 2012-05-29 | Sensible heat recovery device with ash capture for preventing slag bonding and staining |
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| CN102671410B CN102671410B (en) | 2014-12-24 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102977931A (en) * | 2012-12-11 | 2013-03-20 | 中国东方电气集团有限公司 | Integrated rotary radiation preheating mixing type heat recovery device with smoke chilling function |
| CN102977925A (en) * | 2012-12-11 | 2013-03-20 | 中国东方电气集团有限公司 | Mixed energy utilization device for integrated rotary radiant boiler preheating boiler |
| CN103013581A (en) * | 2012-12-11 | 2013-04-03 | 中国东方电气集团有限公司 | Integrated rotation type radiant boiler and preheating boiler mixed heat recovery unit |
| CN105202535A (en) * | 2015-10-15 | 2015-12-30 | 上海锅炉厂有限公司 | Combustion device suitable for fuels with high alkali metal content |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1712839A1 (en) * | 2004-01-20 | 2006-10-18 | Ebara Corporation | Method of heat recovery, method of processing combustible material, heat recovery apparatus and apparatus for combustible material processing |
| CN101781586A (en) * | 2010-01-29 | 2010-07-21 | 上海锅炉厂有限公司 | High-temperature synthesis gas sensible heat recovery device |
| CN102213409A (en) * | 2011-04-02 | 2011-10-12 | 华东理工大学 | Double-barrel water cooled wall type radiation waste boiler with adjusting function and industrial application thereof |
-
2012
- 2012-05-29 CN CN201210172504.2A patent/CN102671410B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1712839A1 (en) * | 2004-01-20 | 2006-10-18 | Ebara Corporation | Method of heat recovery, method of processing combustible material, heat recovery apparatus and apparatus for combustible material processing |
| CN101781586A (en) * | 2010-01-29 | 2010-07-21 | 上海锅炉厂有限公司 | High-temperature synthesis gas sensible heat recovery device |
| CN102213409A (en) * | 2011-04-02 | 2011-10-12 | 华东理工大学 | Double-barrel water cooled wall type radiation waste boiler with adjusting function and industrial application thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102977931A (en) * | 2012-12-11 | 2013-03-20 | 中国东方电气集团有限公司 | Integrated rotary radiation preheating mixing type heat recovery device with smoke chilling function |
| CN102977925A (en) * | 2012-12-11 | 2013-03-20 | 中国东方电气集团有限公司 | Mixed energy utilization device for integrated rotary radiant boiler preheating boiler |
| CN103013581A (en) * | 2012-12-11 | 2013-04-03 | 中国东方电气集团有限公司 | Integrated rotation type radiant boiler and preheating boiler mixed heat recovery unit |
| CN102977925B (en) * | 2012-12-11 | 2014-08-27 | 中国东方电气集团有限公司 | Mixed energy utilization device for integrated rotary radiant boiler preheating boiler |
| CN103013581B (en) * | 2012-12-11 | 2014-08-27 | 中国东方电气集团有限公司 | Integrated rotation type radiant boiler and preheating boiler mixed heat recovery unit |
| CN105202535A (en) * | 2015-10-15 | 2015-12-30 | 上海锅炉厂有限公司 | Combustion device suitable for fuels with high alkali metal content |
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|---|---|
| CN102671410B (en) | 2014-12-24 |
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