WO2014110882A1 - Powdered solid fuel boiler equipped with regenerative rotating commutating heater - Google Patents
Powdered solid fuel boiler equipped with regenerative rotating commutating heater Download PDFInfo
- Publication number
- WO2014110882A1 WO2014110882A1 PCT/CN2013/075697 CN2013075697W WO2014110882A1 WO 2014110882 A1 WO2014110882 A1 WO 2014110882A1 CN 2013075697 W CN2013075697 W CN 2013075697W WO 2014110882 A1 WO2014110882 A1 WO 2014110882A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- solid fuel
- heat
- flue gas
- fuel boiler
- powdered solid
- Prior art date
Links
- 230000001172 regenerating effect Effects 0.000 title claims abstract description 42
- 239000004449 solid propellant Substances 0.000 title claims abstract description 39
- 239000003054 catalyst Substances 0.000 claims abstract description 15
- 239000000969 carrier Substances 0.000 claims abstract description 8
- 239000011343 solid material Substances 0.000 claims abstract description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 64
- 239000003546 flue gas Substances 0.000 claims description 64
- 239000003245 coal Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 4
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 claims description 3
- 239000003830 anthracite Substances 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 230000004308 accommodation Effects 0.000 claims 3
- 239000003517 fume Substances 0.000 abstract 3
- 239000007789 gas Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000000428 dust Substances 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 239000000446 fuel Substances 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- F22B31/08—Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
- F23L15/02—Arrangements of regenerators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8631—Processes characterised by a specific device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/10—Nitrogen; Compounds thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2219/00—Treatment devices
- F23J2219/10—Catalytic reduction devices
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Definitions
- Powdered solid fuel boiler equipped with regenerative rotary reversing heater equipped with regenerative rotary reversing heater
- the present invention relates to the field of heat exchange technology, and more particularly to a powdered solid fuel boiler equipped with a regenerative rotary reversing heater. Background technique
- Rotary air preheater is a flue gas end heat exchange device commonly used in boilers of major power plants. Its performance directly affects boiler thermal efficiency.
- the traditional rotary air preheater generally uses metal as the heat transfer medium, and can only recover the heat of the flue gas below 500 ° C. By preheating the combustion air, the heat of the flue gas is brought back to the furnace, and the combustion condition is improved, thereby improving the boiler. s efficiency.
- the prior art is denitrification by SCR (selective catalytic reduction) denitration method.
- SCR selective catalytic reduction
- a denitration device needs to be installed at the tail of the boiler.
- the denitration device can be placed before the dust removal device or after the dust removal device.
- the prior art denitration method has the following defects: 1.
- the installation denitration device takes up a large space. For the existing boiler, there is a problem that the tail space is insufficient and the denitration device cannot be installed; 2.
- the denitration device is disposed before the dedusting device, The dust contains a large amount of dust, and the fly ash has serious pollution and wear on the catalyst, and sometimes there is a problem of clogging. 3. If the denitration device is arranged after the dust removal device, the efficiency of the catalyst decreases due to the decrease of the temperature of the flue gas after the dust removal, so that the denitration is performed. Reduced efficiency. Summary of the invention
- an object of the present invention is to provide a powdery solid fuel boiler which can be efficiently and conveniently denitrated.
- the powdery solid fuel boiler includes: a furnace; a regenerative rotary reversing heater, the regenerative rotary reversing heater comprising: a heat exchanger body; a driving device, the driving device is configured to drive the heat exchanger body to rotate about a central axis thereof; a partitioning member, the partitioning member is disposed in the heat exchanger body along a direction of the central axis, and The heat exchanger body is partitioned into at least one pair of receiving portions, the pair of receiving portions being disposed diametrically opposite to the central axis; the heat carrier, the heat carrier being respectively received in the receiving portion, the heat carrier Formed by a non-metallic solid material, and the heat carrier is provided with a denitration catalyst layer; a flue gas passage, an inlet end of the flue gas passage is in communication with a top of the furnace, and an outlet end and the regenerative rotation
- the commutating heater is in communication to pass the
- the powdered solid fuel boiler of the embodiment of the present invention in the rotation of the heat carrier made of the non-metallic solid material, the high temperature flue gas heats the heating carrier, so that the temperature of the heat carrier rises faster and the heat carrier is set.
- the denitration catalyst layer denitrates the high temperature flue gas so that the powdery solid fuel boiler can reduce nitrogen oxides emissions.
- the powdery solid fuel boiler system according to the present invention may further have the additional technical feature that the pulverized coal is formed of at least one of anthracite coal and lean coal according to an embodiment of the present invention.
- a screen superheater, a wall superheater, and a superheater are disposed in sequence from the inlet end of the flue gas passage toward the outlet end of the flue gas passage.
- an economizer is disposed in the flue gas passage near the outlet end of the flue gas passage. Therefore, by setting the economizer, the heat of the flue gas can be effectively absorbed, the exhaust gas temperature can be lowered, and the smoke loss can be reduced, thereby saving fuel.
- the velocity of the flue gas entering the regenerative rotary reversing heater from the flue gas passage is adjustable. Thereby, the temperature of the air to be preheated is effectively increased.
- the heat carrier is SiC or ceramic and has a small spherical, sheet or porous structure.
- the regenerative rotary reversing heater is resistant to high temperatures, corrosion and wear.
- the temperature of the flue gas after heat exchange by the regenerative rotary commutation heater is 50-80 °C.
- the air is oxygen-enriched air, and the air is heated to 300-650 ° C after heat exchange by the regenerative rotary commutation heater. As a result, the air lift temperature is higher.
- the regenerative rotary reversing heater further includes: a condensed liquid removing device disposed under the heat exchanger body to remove heat exchange Condensed liquid produced during the process.
- the heat carrier comprises: a heat carrier upper layer, the heat carrier upper layer is provided with a denitration catalyst layer; and a heat carrier lower layer, and the heat carrier lower layer is fixed with the upper layer of the heat carrier. Since the temperature of the upper layer heat carrier is high, the denitration efficiency can be further improved.
- a catalyst for catalyzing NOx is added to the heat carrier.
- the powdered solid fuel has a diameter of 50-500 um.
- Figure 2 is a top plan view of a regenerative rotary reversing heater in a pulverized solid fuel boiler in accordance with one embodiment of the present invention. detailed description
- first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
- features defining “first” and “second” may include one or more of the features, either explicitly or implicitly.
- “multiple” means two or more unless otherwise stated.
- Connected and “connected” should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or passed through The intermediate medium is indirectly connected and can be internal to the two components.
- the specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
- a pulverized solid fuel boiler system 100 in accordance with an embodiment of the present invention will now be described with reference to FIG.
- a powdery solid fuel boiler 1 comprises: a regenerative rotary reversing heater 2, a flue gas passage 3, and an air passage 4.
- pulverized coal used as the pulverized solid fuel
- the present invention is not limited thereto, and any powdery solid fuel that can be burned as a fuel in a boiler can be used. It is contemplated that other particulate solid fuels, such as biomass, may be combusted. Alternatively, the fuel may have a diameter between 50 and 500 um.
- the examples of pulverized coal herein are for illustrative and illustrative purposes only and are not intended to limit the scope of the invention.
- the regenerative rotary reversing heater 2 is used for exchanging heat between the high temperature flue gas and the air to be preheated, thereby raising the temperature of the air to be preheated to a certain value.
- the regenerative rotary reversing heater 2 comprises: a heat exchanger body 21, a driving device, a partition 22 and a heat carrier 23, as shown in Figs.
- the drive means is used to drive the heat exchanger body 21 to rotate about its central axis 24.
- the partition member 22 is disposed in the heat exchanger body 21 in the direction of the center axis 24, and partitions the heat exchanger body 21 into at least one pair of accommodating portions 25, each pair of accommodating portions 25 being disposed diametrically opposite to the center axis.
- the heat carriers 23 are respectively accommodated in the accommodating portion 25, and the heat carrier 23 is formed of a non-metallic solid material.
- a catalyst for catalyzing NOx may be added to the heat carrier 23, thereby enabling the boiler process to reduce NOx while eliminating the catalyst for catalyzing NOx in the heat carrier.
- the existing flue gas outlet must be provided with a separate NOx removal device, which also increases the efficiency of the entire system while reducing costs.
- the heat exchanger body 21 may be formed as a hollow cylinder, and the partition member 22 may have a substantially plate shape, and the partition extends in the direction of the center line axis of the heat exchanger body 21, thereby being exchanged
- the heat exchanger body 21 is partitioned into a pair of accommodating portions, the heat carriers are respectively disposed in the two accommodating portions, the heat carrier may be made of a non-metallic solid material, and the heat carrier is provided with a denitration catalyst layer, the flue gas and the air to be preheated, respectively Passing into the two accommodating portions, and then driving the heat exchanger body 21 to rotate, the flue gas and the heat carrier in the accommodating portion therewith by the driving device
- the heat exchange causes the temperature of the heat carrier to rise, and the flue gas is subjected to denitration treatment so that the powdery solid fuel boiler can reduce the NOx emission; the heat to be preheated and the heat carrier in the accommodating portion thereof are exchanged, thereby The preheated air temperature rises.
- the partition 22 may also divide the heat exchanger body 21 into two pairs, three pairs or even pairs of receiving portions.
- the outlet temperature of the flue gas after passing through the gas heat exchanger cannot be lowered below 130 ° C, because this causes the sulfuric acid to precipitate, resulting in the metal in the gas heat exchanger. Severe corrosion of the manufactured parts.
- the heat carrier is formed of a non-metallic solid material such as SiC or ceramic, there is no need to worry about sulfur.
- the outlet temperature of the high-temperature flue gas can be lowered to a temperature below the dew point of sulfur to maximize heat exchange.
- the high temperature The outlet temperature of the flue gas leaving the gas heat exchanger is less than 130 ° C. Further, the outlet temperature of the high temperature flue gas leaving the gas heat exchanger is less than 70 ° C. This temperature is almost impossible to achieve in a conventional gas heat exchange system.
- the water vapor condenses out as liquid water, releasing a large amount of latent heat (the amount of heat absorbed by the water vapor from 100 ° C to 100 ° C is equivalent to the water from 0 ° C is increased to 3 times the heat absorbed at 100 ° C).
- the heat carrier is formed of a non-metallic solid material, after the sulfur deposition is performed to some extent, the heat carrier accommodated in the accommodating portion can be continuously used, thereby reducing the components existing in the conventional gas heat exchange system.
- the efficiency of the entire boiler can be increased by 0.5% for every 10 °C reduction in the outlet temperature, and the latent heat released is equivalent to an increase of 1.5% of the overall efficiency of the boiler.
- the cold air is heated to the hot air to facilitate combustion, and the exhaust gas temperature is lowered to 50-80 ° C, which is effectively utilized.
- the waste heat of the fuel increases the efficiency of the boiler by more than 3 percentage points. Further, the range of available coal of the powdery solid fuel boiler of the present invention is expanded, that is, the grade of coal used can be lowered, and the production cost can be further reduced.
- the powdery solid fuel boiler 1 is limited to a furnace 1 1 .
- the inlet end of the flue gas passage 3 communicates with the top of the furnace 1 1 , and the outlet end communicates with the regenerative rotary reversing heater 2 to pass the flue gas generated in the furnace 11 into at least a pair of heat storage. Rotating one of the accommodating portions of the reversing heater 2 and exchanging heat with the heat carrier accommodated in the accommodating portion.
- the air passage 4 is for introducing at least air into the other of the pair of receiving portions such that the heat carrier accommodated in the receiving portion exchanges heat with the air, and the heat-exchanged air is supplied to the inside of the furnace 11 . After the regenerative rotary reversing heater 2, the flue gas flow after heat exchange is discharged.
- the heat exchanger body 21 is rotated counterclockwise, and the flue gas is introduced into the heat exchanger body 21 along the right side of the central axis, and the preheated air is introduced into the heat exchanger along the left side of the central axis.
- the main body 21 will be described as an example.
- the powdery solid fuel boiler 1 defines a furnace 1 1 for accommodating pulverized coal, one end of the flue gas passage 3 communicates with the furnace 1:1, and the other end thereof is connected with the regenerative rotary reversing heater 2
- the flue gas generated in the furnace 1 1 is introduced into the first accommodating portion 21 1 of the regenerative rotary reversing heater 2 (for example, the regenerative rotary reversing heater 2 shown in FIG. 1) Right side), in the second accommodating portion 212 of the regenerative rotary reversing heater 2 (for example, the left side of the regenerative rotary reversing heater 2 shown in FIG.
- the flue gas exchanges heat with the heat carrier in the first accommodating portion 21 1 to raise the temperature of the heat carrier, and after the heat carrier absorbs heat, the heat exchanger body 21 rotates counterclockwise, the first accommodating portion 21 1 is rotated to the left side of the central axis, the second accommodating portion 212 is rotated to the right side of the central axis, and the heat carrier rotated into the first accommodating portion 21 1 on the left side exchanges heat with the air to be heated to bring heated air The temperature rises while the flue gas heats the heat carrier rotating into the second accommodating portion 212 on the right side.
- the heat exchanger body 21 continues to rotate counterclockwise, at which time the first receiving portion 21 1 is rotated back to the right side of the center axis, and the second receiving portion 212 is rotated back to the left side of the center axis, rotating back to the second side of the left side.
- the heat carrier in the accommodating portion 212 exchanges heat with the air to be heated, and the flue gas heats the heat carrier in the first accommodating portion 21 1 rotated back to the right side, and the cycle is repeated to complete the heating of the preheated air.
- the preheated air is heated to a certain temperature and can be obtained from a powdery solid fuel boiler.
- the bottom of 1 is supplied into the furnace 1 1 to perform high-temperature oxidation combustion with the pulverized coal in the furnace 1 1 .
- the pulverized coal is formed of at least one of anthracite and lean coal.
- the flue gas after heat exchange with the preheated air is discharged through the exhaust passage 101.
- the temperature of the high temperature flue gas can be greatly reduced by providing the regenerative rotary reversing heater 2, so that the temperature of the heat carrier is increased more than the prior art, and the denitration can be improved.
- the efficiency of denitrification of the catalyst allows the flue gas to be denitrified so that the powdered solid fuel boiler can reduce nitrogen oxide emissions.
- a screen superheater 6, a wall superheater 7, and a superheater are disposed in order from the inlet end of the flue gas passage 3 toward the outlet end of the flue gas passage 3.
- the screen superheater 6 and the wall superheater 7 are disposed adjacent to the inlet end of the flue gas passage 3, and are spaced apart from each other in the left-right direction, and the superheater is disposed adjacent to the outlet end of the flue gas passage 3. .
- an economizer 9 is disposed in the flue gas passage 3 near the outlet end of the flue gas passage 3.
- the economizer 9 is disposed below the superheater and spaced apart from the superheater by a certain distance in the up and down direction. Therefore, by setting the economizer 9, the heat of the flue gas can be effectively absorbed, the exhaust gas temperature can be lowered, and the smoke loss can be reduced, thereby saving fuel.
- the velocity of the flue gas entering the regenerative rotary reversing heater 2 from the flue gas passage 3 is adjustable. Thereby, the temperature of the air to be preheated is effectively increased.
- the heat carrier is SiC or ceramic and has a small spherical, sheet-like or porous structure.
- the regenerative rotary reversing heater 2 is resistant to high temperatures, corrosion, and wear.
- the regenerative rotary reversing heater 2 further includes: a condensed liquid removing device 10 disposed below the heat exchanger body 21 to remove the heat exchange process A condensed liquid produced in the middle, such as condensed water containing acid.
- the temperature of the flue gas after heat exchange by the regenerative rotary commutation heater 2 is 50-80 °C.
- the water vapor in the flue gas is precipitated and reacts with sulfur trioxide to form acid-containing condensed water, and the condensed liquid removing device can remove 30% of the sulfur in the flue gas, thereby pre-desulfurizing effect, greatly Reduce the cost of subsequent flue gas desulfurization.
- some of the latent heat of vaporization in the flue gas can be recovered, thereby increasing the thermal efficiency of the boiler.
- the air is oxygen-enriched air, and the air is heated by the regenerative rotary commutator heater 2 300-650 ° C. As a result, the air lift temperature is higher.
- the heat carrier may be provided as a heat carrier upper layer and a heat carrier lower layer, and the heat carrier upper layer is provided with a denitration catalyst layer, and the heat carrier upper layer and the heat carrier lower layer are fixed by welding, screwing, riveting or the like.
- the determination of the height specific value of the upper layer of the heat carrier is determined according to the boiler model.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Supply (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2015133246A RU2622139C2 (en) | 2013-01-18 | 2013-05-16 | Powdered fuel boiler with rotary type cycle heater |
AU2013374015A AU2013374015B9 (en) | 2013-01-18 | 2013-05-16 | Powdered solid fuel boiler equipped with regenerative rotating commutating heater |
ZA2015/05205A ZA201505205B (en) | 2013-01-18 | 2015-07-20 | Pulverized solid fuel boiler installed with rotary-type regenerative heater |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310019500.5 | 2013-01-18 | ||
CN201310018711.7 | 2013-01-18 | ||
CN2013200396495U CN203131785U (en) | 2013-01-18 | 2013-01-18 | Powdery solid fuel boiler |
CN201310019500.5A CN103940275B (en) | 2013-01-18 | 2013-01-18 | Gas heat exchanger and gas heat exchange system with same |
CN201310018711.7A CN103672843B (en) | 2013-01-18 | 2013-01-18 | Carrying heat storage rotates the powdered solid fuel boiler of commutation heater |
CN201320039649.5 | 2013-01-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014110882A1 true WO2014110882A1 (en) | 2014-07-24 |
Family
ID=51209015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2013/075697 WO2014110882A1 (en) | 2013-01-18 | 2013-05-16 | Powdered solid fuel boiler equipped with regenerative rotating commutating heater |
Country Status (3)
Country | Link |
---|---|
RU (1) | RU2622139C2 (en) |
WO (1) | WO2014110882A1 (en) |
ZA (1) | ZA201505205B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107152673A (en) * | 2017-06-06 | 2017-09-12 | 大唐贵州发耳发电有限公司 | A kind of device for improving coal-fired electric generation furnace denitration inlet flue gas temperature |
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GB2129533A (en) * | 1982-08-26 | 1984-05-16 | Babcock Woodall Duckham Ltd | Rotary regenerative heat exchanger |
JPH0576729A (en) * | 1991-09-19 | 1993-03-30 | Nasu Tooa Kk | Nitrogen oxide removing system by ammonia catalytic reduction process for exhaust gas of glass fusion furnace or the like |
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RU2064003C1 (en) * | 1993-02-19 | 1996-07-20 | Мечев Валерий Валентинович | Method for gasification of solid fuel |
RU2144016C1 (en) * | 1998-09-21 | 2000-01-10 | Бийский олеумный завод | Explosive compound |
JP5319934B2 (en) * | 2008-02-28 | 2013-10-16 | 三菱重工業株式会社 | Exhaust gas treatment method and apparatus |
CN101865451B (en) * | 2010-05-24 | 2012-05-09 | 叶力平 | Biomass high-temperature flue gas gasification combination coal burning boiler and low-pollution combustion method thereof |
RU104668U1 (en) * | 2010-11-16 | 2011-05-20 | Дмитрий Борисович Петров | AUTOMATED COAL BOILER |
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2013
- 2013-05-16 WO PCT/CN2013/075697 patent/WO2014110882A1/en active Application Filing
- 2013-05-16 RU RU2015133246A patent/RU2622139C2/en active
-
2015
- 2015-07-20 ZA ZA2015/05205A patent/ZA201505205B/en unknown
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GB2129533A (en) * | 1982-08-26 | 1984-05-16 | Babcock Woodall Duckham Ltd | Rotary regenerative heat exchanger |
JPH0576729A (en) * | 1991-09-19 | 1993-03-30 | Nasu Tooa Kk | Nitrogen oxide removing system by ammonia catalytic reduction process for exhaust gas of glass fusion furnace or the like |
CN1952477A (en) * | 2006-11-09 | 2007-04-25 | 梁兆志 | Thermal storage type moving bed combustion device using combustible low-calorific-value solid fuel |
CN101986036A (en) * | 2010-11-08 | 2011-03-16 | 吴道洪 | Heat accumulator rotary heat-exchange device |
CN102213547A (en) * | 2011-04-18 | 2011-10-12 | 吴道洪 | Regenerative melting furnace and method thereof for smelting black, colored or non-metallic ores |
CN102878817A (en) * | 2012-09-25 | 2013-01-16 | 北京神雾环境能源科技集团股份有限公司 | Continuous combusting regenerative industrial furnace |
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CN107152673A (en) * | 2017-06-06 | 2017-09-12 | 大唐贵州发耳发电有限公司 | A kind of device for improving coal-fired electric generation furnace denitration inlet flue gas temperature |
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ZA201505205B (en) | 2016-06-29 |
AU2013374015A1 (en) | 2015-08-13 |
RU2622139C2 (en) | 2017-06-13 |
RU2015133246A (en) | 2017-02-22 |
AU2013374015B2 (en) | 2016-03-03 |
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