CN105485915B - A kind of flue gas waste heat recovery apparatus for oil-burning gas-fired boiler - Google Patents
A kind of flue gas waste heat recovery apparatus for oil-burning gas-fired boiler Download PDFInfo
- Publication number
- CN105485915B CN105485915B CN201610052436.4A CN201610052436A CN105485915B CN 105485915 B CN105485915 B CN 105485915B CN 201610052436 A CN201610052436 A CN 201610052436A CN 105485915 B CN105485915 B CN 105485915B
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- China
- Prior art keywords
- flue
- economizer
- interior
- perforated plate
- communicated
- Prior art date
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 239000003546 flue gas Substances 0.000 title claims abstract description 19
- 238000011084 recovery Methods 0.000 title claims abstract description 15
- 239000002918 waste heat Substances 0.000 title claims abstract description 15
- 239000003517 fume Substances 0.000 claims abstract description 8
- 239000000779 smoke Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 238000005192 partition Methods 0.000 claims description 9
- 235000019504 cigarettes Nutrition 0.000 claims description 5
- 230000002209 hydrophobic effect Effects 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 description 8
- 239000003245 coal Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H8/00—Fluid heaters characterised by means for extracting latent heat from flue gases by means of condensation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- 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
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Supply (AREA)
Abstract
A kind of flue gas waste heat recovery apparatus for oil-burning gas-fired boiler, with solve the problems, such as existing flue gas waste heat recovery apparatus take up a large area, it is difficult to install.Support tube, interior wall and exterior wall have in sequentially coaxially setting outside, it is interior room between support tube and interior wall, it is mistress between interior wall and exterior wall, economizer annular header is arranged on the upper end of interior wall and exterior wall, bottom flue is arranged on the lower end of interior wall and exterior wall, the lower end of flue is communicated with interior room, upper end is communicated with air, the interior ring-side wall of economizer annular header is equipped with the annular smoke inlet communicated with fume inlet passage, the upper end of economizer tube bank is connected with economizer annular header, lower end is communicated with bottom flue, the upper end of light pipe air preheater tube bank is communicated with flue, lower end is communicated with bottom flue, several interior room bufflers are from top to bottom arranged in interior room in the shape of a spiral, several mistress's bufflers are arranged in mistress in the shape of a spiral from the bottom to top between upper perforated plate and lower perforated plate.The present invention is used for oil-burning gas-fired boiler.
Description
Technical field
The present invention relates to a kind of flue gas waste heat recovery apparatus suitable for oil-burning gas-fired boiler tail portion.
Background technology
Recently as the rapid development of economic technology, the energy-output ratio in China increasingly increases, energy supply and demand and environment
Pollution problem becomes increasingly conspicuous, and to improve environmental quality, country advocates energy-saving and emission-reduction, widelys popularize clean energy resource and new technology.With
China in recent years to the introduction of natural gas, exploitation, and the utilization rate of natural gas is increased substantially, and gas fired-boiler is in state's housekeeping
Plan is a large amount of universal in China under encouraging.Perhaps the boiler plant of new power plant construction generating set project is configured one to two simultaneously
The small-sized starting trouble of platform.More than two class situations the former be gas fired-boiler, the latter is mostly fuel oil or gas fired-boiler, smoke evacuation temperature
Degree, hereinafter, to improve fuel availability, sets independent flue gas waste heat recovery apparatus at 150 DEG C in boiler tail, existing
Flue gas waste heat recovery apparatus be mostly finned tube, light pipe and heat pipe heating surface, the above two take up a large area, structure bulky,
Transport is difficult to install, and service life is short.Though the latter's small volume, its service life is shorter, and operation expense is higher.
Invention content
The purpose of the present invention is being taken up a large area to solve existing flue gas waste heat recovery apparatus, structure bulky, transport or
Difficult to install, service life is short, and maintenance cost is high, while economizer and air preheater are united, the cold ground in the north
The problem of steam air heater can need not be separately configured in area's winter boiler operatiopn again, and provides a kind of fume afterheat for oil-burning gas-fired boiler
Retracting device.
The present invention is achieved through the following technical solutions：
A kind of flue gas waste heat recovery apparatus for oil-burning gas-fired boiler of the present invention includes exterior wall, interior wall, support tube, province
The tube bank of coal device, the tube bank of light pipe air preheater, economizer annular header, upper perforated plate, lower perforated plate, bottom flue, flue, pipe fitting,
Braced frame, four air preheater support plates, several interior room bufflers, several mistress's bufflers, several condensed water drain pipes,
Several drain valves, it is interior room between support tube and interior wall to sequentially coaxially setting outside that support tube, interior wall and exterior wall, which have interior, interior wall
For mistress between exterior wall, economizer annular header is arranged on the upper end of interior wall and exterior wall, and bottom flue is arranged on interior wall and outer
The lower end of wall, braced frame are supported below the flue of bottom, and upper perforated plate and lower perforated plate are horizontally set on interior wall and exterior wall, and
Upper perforated plate and lower perforated plate are setting up and down between economizer annular header and bottom flue, and flue is arranged on the upper of upper perforated plate
Face, and the lower end of flue is communicated with interior room, the upper end of flue passes through the inner ring of economizer annular header to be communicated with air, goes out
For fume inlet passage between the inner ring of chimney and economizer annular header, the interior ring-side wall of economizer annular header be equipped with into cigarette
The annular smoke inlet that channel communicates, economizer tube bank are arranged in mistress, and the upper end of economizer tube bank and economizer annular collection
Case connects, and the lower end of economizer tube bank is communicated with bottom flue, and the tube bank of light pipe air preheater is arranged in interior room and positioned at upper perforated plate
Between lower perforated plate, and the upper end of light pipe air preheater tube bank is communicated with flue, the lower end of light pipe air preheater tube bank and bottom cigarette
Road communicates, and several interior room bufflers are from top to bottom arranged in interior room in the shape of a spiral, and several mistress's bufflers are from the bottom to top
It is arranged in the shape of a spiral in mistress between upper perforated plate and lower perforated plate, condensed water drain pipe is set on the support frame, and condensed water
One end of drain pipe is communicated with bottom flue, and drain valve is equipped on condensed water drain pipe, is equipped on economizer annular header
Pipe fitting, four air preheater support plates are in be arranged cross in interior room, and one end of each air preheater support plate connects with support tube
It connects, the other end of each air preheater support plate is connect with interior wall.
The method of the present invention specific following advantageous effect compared with prior art：
First, flue gas waste heat recovery apparatus combination oil-burning gas-fired boiler flue gas moisture content of the invention greatly (18~
20%), exhaust gas temperature is low and boiler at low load runs the features such as condensation water quantity is big, concentrates and solves waste-heat recovery device heating surface cloth
It puts and low-temperature corrosion problem.Entire waste-heat recovery device is compact-sized, and floor space is small, easy for installation；Heat on the outside of device to
Water, inside heating cold air, the two are combined, and are particularly suitable for the oil-burning gas-fired boiler of northern area winter operation.
2nd, the feedwater of apparatus of the present invention while heating cold air and low temperature.
3rd, apparatus of the present invention are divided into inside and outside two layers of sealing, leak out small, and boiler thermal efficiency is high, and overall appearance is succinct, beautiful,
Service life is long.
4th, the bottom setting drain pipe of apparatus of the present invention, excludes condensed water, the corruption that alleviator is brought by condensed water in time
Erosion problem.
5th, economizer and empty pre- preheater make (such as ND steel, stainless steel 306L etc.) using corrosion resistant steel, equipment
Use be highly improved.
Description of the drawings
Fig. 1 is the front view of apparatus of the present invention；
Fig. 2 is the Section A-A view of Fig. 1；
Fig. 3 is the viewgraph of cross-section of economizer annular header 6.
Specific embodiment
Specific embodiment one：Illustrate present embodiment with reference to Fig. 1 and Fig. 2, present embodiment include exterior wall 1, interior wall 2,
Support tube 3, economizer tube bank 4, light pipe air preheater tube bank 5, economizer annular header 6, upper perforated plate 7, lower perforated plate 8, bottom flue
9th, flue 11, pipe fitting 12,16, four air preheater support plates 13 of braced frame, several interior room bufflers 17, several mistress
Buffler 18, several condensed water drain pipes 10, several drain valves 19, support tube 3, interior wall 2 and exterior wall 1 have interior to same successively outside
Axis is set, and is interior room B between support tube 3 and interior wall 2, is mistress C between interior wall 2 and exterior wall 1, economizer annular header 6 is set
In the upper end of interior wall 2 and exterior wall 1, bottom flue 9 is arranged on the lower end of interior wall 2 and exterior wall 1, and braced frame 16 is supported on bottom cigarette
Below road 9, upper perforated plate 7 and lower perforated plate 8 are horizontally set on interior wall 2 and exterior wall 1, and upper perforated plate 7 and lower perforated plate 8 are setting up and down
Between economizer annular header 6 and bottom flue 9, flue 11 is arranged on above upper perforated plate 7, and the lower end of flue 11
It is communicated with interior room B, the upper end of flue 11 passes through the inner ring of economizer annular header 6 to be communicated with air, and flue 11 is with saving coal
It is fume inlet passage 15 between the inner ring of device annular header 6, the interior ring-side wall of economizer annular header 6 is equipped with and fume inlet passage 15
The annular smoke inlet 6-1 communicated, economizer tube bank 4 are arranged in mistress C, and the upper end of economizer tube bank 4 and economizer annular
Header 6 connects, and the lower end of economizer tube bank 4 is communicated with bottom flue 9, and light pipe air preheater tube bank 5 is arranged in interior room B and is located at
Between upper perforated plate 7 and lower perforated plate 8, and the upper end of light pipe air preheater tube bank 5 is communicated with flue 11, light pipe air preheater tube bank 5
Lower end is communicated with bottom flue 9, and several interior room bufflers 17 are from top to bottom arranged in interior room B in the shape of a spiral, several mistress
Buffler 18 is arranged in the shape of a spiral from the bottom to top in mistress C between upper perforated plate 7 and lower perforated plate 8, and condensed water drain pipe 10 is set
It puts in braced frame 16, and one end of condensed water drain pipe 10 is communicated with bottom flue 9, one end of condensed water drain pipe 10 leads to
To outer water receiving tank, drain valve 19 is installed on condensed water drain pipe 10, pipe fitting 12 is installed on economizer annular header 6, manage
For connector 12 for being connect with water inlet pipe, four air preheater support plates 13 are in be arranged cross in interior room B, and each air preheater support
One end of plate 13 is connect with support tube 3, and the other end of each air preheater support plate 13 is connect with interior wall 2.
The suitable horizontal, longitudinal pitch of 4 selection of economizer tube bank, the suitable horizontal, longitudinal pitch of 5 selection of light pipe air preheater tube bank
To ensure flue gas flow rate of the equipment under declared working condition.Condensed water drain pipe 10 is used to drain the condensed water generated during operation.
Vertical or horizontal arrangement can be used in whole device, can be arranged according to the suitable structure of place election, whole device
Load is carried by bottom support bracket 21, without separately setting steelframe.
For whole device in addition to bottom support bracket 21, remaining each part uses corrosion-resistant steel (such as ND steel, stainless steel 306L), this
Kind material low-temperature corrosion resistance, service life are long.
The operation principle of the present apparatus：Mistress C exchanges heat for gas-water, and interior room B exchanges heat for flue gas-air；Flue gas into cigarette by leading to
Road 15 enters, and interior room B is entered back into after flowing through economizer annular header 6, mistress C, bottom flue 9.Mistress C heating surfaces are using province's coal
Device restrains 4 (spiral fin coils), and working medium flows in economizer tube bank 4, the outer wall-heated face of sweep of gases economizer tube bank 4,
Interior room B heating surfaces restrain 5 using light pipe air preheater, and flue gas flows in light pipe air preheater tube bank 5, and air washes away light pipe air preheater
The outer wall of tube bank 5.The interior room buffler 17 of helical form arrangement is isolated by the flue of interior room B, mistress's flue of helical form arrangement
Partition board 18 is isolated by the flue of mistress C, and flue gas is oblique in the shape of a spiral in respective flue to wash away heating surface.Flue gas first oblique punching
The economizer tube bank 4 of mistress is brushed, then turning 180 ° in bottom of device (tail portion) enters interior room B, parallel baffled light pipe air preheater
It is drawn after tube bank 5 from the flue 11 on top.Feedwater is entered by water inlet pipe, enters economizer tube through economizer annular header 6
Beam 4 simultaneously absorbs fume afterheat, is finally drawn from the water outlet of economizer tube bank 4.Air enters interior room B at the top of flue, is in inside
Helical form washes away heating surface, is finally drawn from air outlet slit 22.
Specific embodiment two：Illustrate present embodiment with reference to Fig. 3, present embodiment is different from specific embodiment one
It is that it also increases and has multiple partition boards 14, multiple partition boards 14 are uniformly arranged in economizer annular header 6.Partition board 14 can be according to province's coal
Device working medium flow is chosen, and ensures refrigerant flow rate in 0.8m/s~1m/s.Economizer annular header 6 is according to the working medium flow pipe flowed through
The number of turns can be set to several sections, and centre partition board 14 separates, and multiple shunt circuits or series loop can be formed by connecting tube.When into
When the flow velocity of water is too slow, partition board 14 can be set, to increase the flow velocity of water inlet.Other connection relations and one phase of specific embodiment
Together.
Specific embodiment three：Illustrate present embodiment, present embodiment and specific embodiment one with reference to Fig. 1 and Fig. 2
Or it also increases and has insulating layer 20 unlike two, insulating layer 20 is laid with along the exterior wall of exterior wall 1.Design can improve boiler in this way
The thermal efficiency.Other connection relations are the same as one or two specific embodiments.
Claims (3)
1. a kind of flue gas waste heat recovery apparatus for oil-burning gas-fired boiler, it is characterised in that：Described device include exterior wall (1),
Interior wall (2), support tube (3), economizer tube bank (4), light pipe air preheater tube bank (5), economizer annular header (6), upper perforated plate
(7), lower perforated plate (8), bottom flue (9), flue (11), pipe fitting (12), braced frame (16), four air preheater support plates
(13), several interior room bufflers (17), several mistress's bufflers (18), several condensed water drain pipes (10), several hydrophobic
Valve (19), support tube (3), interior wall (2) and exterior wall (1) are sequentially coaxially set from the inside to the outside, between support tube (3) and interior wall (2)
It is mistress (C) between interior wall (2) and exterior wall (1), economizer annular header (6) is arranged on interior wall (2) and exterior wall for interior room (B)
(1) upper end, bottom flue (9) are arranged on the lower end of interior wall (2) and exterior wall (1), and braced frame (16) is supported on bottom flue
(9) below, upper perforated plate (7) and lower perforated plate (8) are horizontally set on interior wall (2) and exterior wall (1), and upper perforated plate (7) and down tube
Plate (8) is setting up and down between economizer annular header (6) and bottom flue (9), and flue (11) is arranged on upper perforated plate (7)
Above, and the lower end of flue (11) is communicated with interior room (B), and the upper end of flue (11) passes through economizer annular header (6)
Inner ring is communicated with air, is fume inlet passage (15) between the inner ring of flue (11) and economizer annular header (6), economizer ring
The interior ring-side wall of shape header (6) is equipped with the annular smoke inlet (6-1) communicated with fume inlet passage (15), and economizer tube bank (4) is set
It puts in mistress (C), and the upper end of economizer tube bank (4) is connected with economizer annular header (6), under economizer tube bank (4)
End is communicated with bottom flue (9), and light pipe air preheater tube bank (5) is arranged in interior room (B) and positioned at upper perforated plate (7) and lower perforated plate
(8) between, and the upper end of light pipe air preheater tube bank (5) is communicated with flue (11), the lower end and bottom of light pipe air preheater tube bank (5)
Portion's flue (9) communicates, and several interior room bufflers (17) are from top to bottom arranged in the shape of a spiral in interior room (B), several mistress's cigarettes
Road partition board (18) is arranged in the shape of a spiral from the bottom to top in mistress (C) between upper perforated plate (7) and lower perforated plate (8), and condensed water is hydrophobic
Pipe (10) is arranged in braced frame (16), and one end of condensed water drain pipe (10) is communicated with bottom flue (9), and condensed water is dredged
Drain valve (19) on water pipe (10) is installed, pipe fitting (12), four air preheater supports are installed on economizer annular header (6)
Plate (13) is in being arranged cross in interior room (B), and one end of each air preheater support plate (13) is connect with support tube (3), each
The other end of air preheater support plate (13) is connect with interior wall (2).
2. a kind of flue gas waste heat recovery apparatus for oil-burning gas-fired boiler according to claim 1, it is characterised in that：Institute
It states device and further includes multiple partition boards (14), multiple partition boards (14) are uniformly arranged in economizer annular header (6).
3. a kind of flue gas waste heat recovery apparatus for oil-burning gas-fired boiler according to claim 1 or 2, feature exist
In：Described device further includes insulating layer (20), and insulating layer (20) is laid with along the exterior wall of exterior wall (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610052436.4A CN105485915B (en) | 2016-01-26 | 2016-01-26 | A kind of flue gas waste heat recovery apparatus for oil-burning gas-fired boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610052436.4A CN105485915B (en) | 2016-01-26 | 2016-01-26 | A kind of flue gas waste heat recovery apparatus for oil-burning gas-fired boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105485915A CN105485915A (en) | 2016-04-13 |
| CN105485915B true CN105485915B (en) | 2018-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610052436.4A Active CN105485915B (en) | 2016-01-26 | 2016-01-26 | A kind of flue gas waste heat recovery apparatus for oil-burning gas-fired boiler |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105823215B (en) * | 2016-05-11 | 2019-03-29 | 广东普瑞玛实业有限公司 | High-efficient two condensing gas module stoves |
| CN105823217B (en) * | 2016-05-11 | 2019-05-10 | 广东普瑞玛实业有限公司 | Air distribution device on condensing type efficient module furnace |
| CN112984566B (en) * | 2021-03-05 | 2022-12-16 | 攀枝花学院 | Energy-saving large cooking stove |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61128021A (en) * | 1984-11-24 | 1986-06-16 | Nobuo Ishimoto | Combustion equipment for recovering waste heat of ignited waste gas |
| CN201672675U (en) * | 2010-04-28 | 2010-12-15 | 山东圣威新能源有限公司 | Fluid bed oil and water double-medium circulation boiler |
| CN103343955A (en) * | 2013-07-25 | 2013-10-09 | 南京凯盛开能环保能源有限公司 | Comprehensive recycling boiler device of extra coal gas and saturated steam of steel plant |
| CN104728823A (en) * | 2015-03-17 | 2015-06-24 | 西安热工研究院有限公司 | Novel supercritical carbon dioxide coal-fired boiler |
| US9068767B2 (en) * | 2010-09-21 | 2015-06-30 | Claude Lesage | Gas-fired water heater with separable heat exchanger or detachably connected external water heater |
| CN205299949U (en) * | 2016-01-26 | 2016-06-08 | 哈尔滨哈锅锅炉工程技术有限公司 | A residual heat from flue gas device for fuel gas boiler |
-
2016
- 2016-01-26 CN CN201610052436.4A patent/CN105485915B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61128021A (en) * | 1984-11-24 | 1986-06-16 | Nobuo Ishimoto | Combustion equipment for recovering waste heat of ignited waste gas |
| CN201672675U (en) * | 2010-04-28 | 2010-12-15 | 山东圣威新能源有限公司 | Fluid bed oil and water double-medium circulation boiler |
| US9068767B2 (en) * | 2010-09-21 | 2015-06-30 | Claude Lesage | Gas-fired water heater with separable heat exchanger or detachably connected external water heater |
| CN103343955A (en) * | 2013-07-25 | 2013-10-09 | 南京凯盛开能环保能源有限公司 | Comprehensive recycling boiler device of extra coal gas and saturated steam of steel plant |
| CN104728823A (en) * | 2015-03-17 | 2015-06-24 | 西安热工研究院有限公司 | Novel supercritical carbon dioxide coal-fired boiler |
| CN205299949U (en) * | 2016-01-26 | 2016-06-08 | 哈尔滨哈锅锅炉工程技术有限公司 | A residual heat from flue gas device for fuel gas boiler |
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|---|---|
| CN105485915A (en) | 2016-04-13 |
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