CN104696958B - Pilot flame system of heat accumulation type combustion system and heat accumulation type combustion system and switching method - Google Patents
Pilot flame system of heat accumulation type combustion system and heat accumulation type combustion system and switching method Download PDFInfo
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- CN104696958B CN104696958B CN201510092880.4A CN201510092880A CN104696958B CN 104696958 B CN104696958 B CN 104696958B CN 201510092880 A CN201510092880 A CN 201510092880A CN 104696958 B CN104696958 B CN 104696958B
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- heat
- combustion air
- combustion
- burner
- storage type
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 103
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000009825 accumulation Methods 0.000 title claims abstract 11
- 239000000779 smoke Substances 0.000 claims abstract description 15
- 238000005338 heat storage Methods 0.000 claims description 74
- 230000001172 regenerating effect Effects 0.000 claims description 19
- 238000007689 inspection Methods 0.000 claims description 11
- 239000000523 sample Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 210000000038 chest Anatomy 0.000 claims 2
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 230000005619 thermoelectricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 24
- 239000003517 fume Substances 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
- F23D14/22—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q13/00—Igniters not otherwise provided for
- F23Q13/02—Igniters not otherwise provided for using gas burners, e.g. gas pokers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2206/00—Burners for specific applications
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Supply (AREA)
Abstract
The invention discloses a pilot flame system of a heat accumulation type combustion system and the heat accumulation type combustion system and a switching method. The pilot flame system comprises two pilot flame burner bodies matched with heat accumulation type combustors in pair, wherein each pilot flame burner body is communicated with a corresponding heat accumulation type combustor through an independent air supply tube; the two air supply tubes are communicated through a serial connection tube; each pilot flame burner body comprises an inner tube, an outer tube sleeving the inner tube, and an ignition device; a one-way valve is mounted on each air supply tube. The switching method comprises the following steps: when the first heat accumulation type combustor is in a combustion state, keeping a first one-way valve matched with the first heat accumulation type combustor being in an opened state, keeping the second heat accumulation type combustor being in a smoke discharge state, and keeping a second one-way valve matched with the second heat accumulation type combustor being in a closed state. The pilot flame system has the characteristics of being simple in structure, good in energy saving effect, stable to work, simple and convenient to mount and repair, and the like.
Description
Technical field
The present invention relates to field of combustion equipment, the ever-burning flame system of a kind of regenerative combustion system and heat accumulating type combustion
Burning system, changing method.
Background technology
Along with energy demand is grown with each passing day by the increasingly serious and socioeconomic development of energy crisis, power-saving technology and
The research and development of equipment become inexorable trend.In China, industrial furnace is energy consumption rich and influential family, accounts for the 25% of whole nation total energy consumption, and energy profit
The most relatively low by rate, about 20%, its energy-saving potential is bigger.It is bigger that heat-storage type burner is applied to having of industrial furnace just
The burner of energy-saving effect, its operation principle is by burning and smoke evacuation the toggling of state, and utilizes fume afterheat to preheat
Combustion air: during smoke evacuation, high-temperature flue gas is through heat storage, by heat storage in the middle of heat storage;During burning, combustion air passes through
By the heat storage of flue gas, temperature raises.In order to keep the seriality of technique, heat-storage type burner is typically all paired cloth
Put.
Igniting will be re-started when each heat-storage type burner is switched to fired state by the state of smoke evacuation, but, burning
Contrary by the airflow direction of heat storage with smoke evacuation state, during state switching, in burner hearth, fluctuate relatively in flow field near burner outlet
Greatly, common electric spark igniter is difficult to effectively light a fire it.The ever-burning flame point that the most a lot of heat-storage type burners use
Fire mode can guarantee that the effectiveness of igniting, owing to the seriality of flame kept burning day and night requires and the lance of main fire combustion air discontinuity supply
Shield, the combustion air of ever-burning flame system is generally continuous print normal temperature air, separate with main fire combustion air.But, kept burning day and night
The combustion-supporting air quantity of fire system can reach the 50% of main fire combustion-supporting air quantity, and this partial air cannot utilize fume afterheat, does not reaches
Energy-saving effect.
Summary of the invention
In order to, on the premise of guaranteeing igniting effectively, make the combustion air of regenerative combustion system ever-burning flame system to utilize
Fume afterheat, improves the energy-saving effect of whole regenerative combustion system, and need not do heat-storage type burner and application stove
Go out bigger change, it is desirable to provide one can utilize, fume afterheat, energy-saving effect be notable, simple in construction, use and maintenance side
The ever-burning flame system of regenerative combustion system just.
To achieve these goals, the technical solution adopted in the present invention is:
The ever-burning flame system of a kind of regenerative combustion system, it is structurally characterized in that, fires including with heat accumulating type arranged in pairs
Two ever-burning flame burner bodies that burner is supporting;Each ever-burning flame burner body supplies airduct and corresponding heat accumulating type by independent
Burner connects, and two are connected by tandem tube between airduct;Each described ever-burning flame burner body all include inner tube and
Suit outer tube on inner pipe, and igniter;Said inner tube is the blast tube connected with burner hearth or combustion air passage, institute
State and between inner tube with outer tube, form corresponding combustion air passage or blast tube;Equipped with check valve on described confession airduct.
Form corresponding combustion air passage between said inner tube with outer tube or blast tube refers to: when inner tube is blast tube
Time, then form combustion air passage between inner tube and outer tube;When inner tube is combustion air passage, then form combustion between inner tube and outer tube
Gas passage.
It is below to further improved technical scheme of the present invention:
Further, described outer tube having combustion air channel entrance, this combustion air channel entrance is arranged on the one of outer tube
End, the other end of this outer tube has the combustion air channel outlet connected with burner hearth;Described blast tube by burner hearth one end equipped with
Gas nozzle.
Described igniter is ignitor, and this ignitor is penetratingly arranged on described combustion air passage, and ignition power
Described combustion air passage is stretched out in one end of pole, and the other end of this ignitor is fixed near described gas nozzle.
Fire inspection probe it is provided with along its length in described combustion air passage;One end of described fire inspection probe is stretched out described
Combustion air passage, the other end of this fire inspection probe stretches in burner hearth, and is fixed on described combustion air channel exit.
It is perpendicular to its length direction in described combustion air passage and combustion air deflector is installed.
Described gas nozzle has a center nozzle and multiple subjet of centrally disposed spout surrounding;Described combustion
Gas jets is positioned at described combustion air channel exit.
Described center nozzle is coaxially disposed with inner tube, and the axis of described subjet and inner tube are axially in 45 °.
Based on same inventive concept, present invention also offers a kind of regenerative combustion system, it includes burner hearth, sets in pairs
Put the heat-storage type burner in burner hearth;Described heat-storage type burner is provided with the heat storage type combustion as above being attached thereto
The ever-burning flame system of system.
Based on same inventive concept, present invention also offers the fire row of a kind of regenerative combustion system as above
Cigarette changing method, its feature is, in two heat-storage type burners, when the first heat-storage type burner is fired state, with
Supporting the first check valve of one heat-storage type burner remains on, and the second heat-storage type burner is smoke evacuation state, with second
Supporting the second check valve of heat-storage type burner remains off;When the second heat-storage type burner is fired state, with
Supporting the second check valve of two heat-storage type burners is held open state, and the first heat-storage type burner is smoke evacuation state, with first
Supporting the first check valve of heat-storage type burner remains off.
The switching of the three-way diverter valve opening and closing conversion and heat-storage type burner of described check valve synchronizes.
Thus, heat-storage type burner arranged in pairs is alternately in burning and the shape of smoke evacuation by the commutation of three-way diverter valve
State, the conversion of two three-way diverter valves and two keying conversion synchronization for the check valve on airduct: the first heat-storage type burner 1
When being in fired state, high pressure check valve ever-burning flame burner on supporting with it is in opening, meanwhile, and the second heat accumulating type
Burner 1 is in smoke evacuation state, and high pressure check valve ever-burning flame burner on supporting with it is closed;Now, combustion-supporting
Gas raises through the heat storage of the first heat-storage type burner 1, temperature, and major part is by main fire combustion-supporting gas passage support master
The burning of fire, remainder enters two ever-burning flame burners by supply airduct and the tandem tube of the ever-burning flame system supporting with it
Combustion air passage, supports the burning of two ever-burning flame burners, and flue gas is through the heat storage of the second heat-storage type burner 1, by heat
It is stored in heat storage.After two three-way diverter valves of heat-storage type burner carry out linkage commutation, the first heat-storage type burner 1
Being converted to smoke evacuation state, the check valve of the ever-burning flame system supporting with it transfers closed mode to, the second heat-storage type burner 1 turn
Being changed to fired state, the check valve of the ever-burning flame system supporting with it transfers opening to.By above-mentioned changing method, it is possible to
Being two ever-burning flame burner supply combustion airs constantly, i.e. two ever-burning flame burners are in lasting fired state, and combustion-supporting
Gas is the high-temperature gas through heat storage heating, make use of fume afterheat, has reached energy-saving effect.
Compared with prior art, the invention has the beneficial effects as follows: the combustion air of this ever-burning flame system is through being added by flue gas
After the heat storage of heat, temperature raises, and has indirectly reclaimed fume afterheat, has reached significant energy-saving effect;Combustion-supporting sky after intensification
Gas can make ever-burning flame fuel combustion more fully, combustion flame more stable;This ever-burning flame system structure is simple, easy for installation, it is not necessary to
Stove and heat-storage type burner make bigger change and reliable.
Below in conjunction with the drawings and specific embodiments, technical scheme is described in detail.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of one embodiment of the invention;
Fig. 2 is the ever-burning flame nozzle structure figure of one embodiment of the invention;
Fig. 3 is the nozzle cross-section figure of one embodiment of the invention.
In the drawings:
1,1-heat-storage type burner;2,2-ever-burning flame burner body;3,3-ever-burning flame is for airduct;4,4-tandem tube;
5-blast tube;6-combustion air passage;7-combustion air channel entrance;8-ignitor;9-fire inspection probe;10-combustion air water conservancy diversion
Plate;11-mounting flange;12,12-regenerator;13,13-high pressure check valve;14,14-flange;15-blast tube import;
16-gas nozzle;17-combustion air channel outlet;18-center nozzle;19-subjet;20,20 '-three-way diverter valve;
21,21 '-main fire combustion-supporting gas passage.
Detailed description of the invention
The ever-burning flame system of a kind of regenerative combustion system, as it is shown in figure 1, include and heat-storage type burner arranged in pairs
Supporting two ever-burning flame burner bodies, ever-burning flame supply airduct, tandem tube.Ever-burning flame is entered by combustion air passage for airduct one end
Mouth connects with ever-burning flame burner body, and the other end connects with the regenerator of heat-storage type burner.Tandem tube one end vertically with length
Naked light connects for airduct, and the other end is connected with another ever-burning flame burner body arranged in pairs by flange.
The structure of ever-burning flame burner body, as in figure 2 it is shown, include: inner tube, for blast tube, its one end is blast tube
Import, the other end is the gas nozzle that combustion gas enters burner hearth;Outer tube, fills on inner pipe coaxially, for combustion-supporting gas passage, one end
For the combustion air channel entrance of perpendicular connection, the other end is the combustion air channel outlet entering burner hearth;Ignitor, runs through
Be arranged in described combustion air passage, one end outside combustion air passage end, the other end near described gas nozzle, use
In ever-burning flame burner is lighted a fire;Fire inspection probe, one end is outside combustion air passage end, and the other end stretches into burner hearth, described
Combustion air channel exit, for detecting the flame of ever-burning flame burner, once fray-out of flame, then can be by corresponding automatic control system
System cuts off gas supply;Combustion air deflector, in being vertically installed at described combustion air passage at close gas nozzle, is used for
The rectification of combustion-supporting gas, makes air distribution evenly;Mounting flange, is arranged at described combustion air channel entrance, for by kept burning day and night
Fire burner body is fixed on furnace wall.
Fig. 3 is gas nozzle sectional view, including a center nozzle coaxial with inner tube and at 45 ° with inner tube axis
Multiple subjet at angle, and nozzle is positioned at combustion air channel exit.
The ever-burning flame system combustion air changing method of a kind of regenerative combustion system as above, works as heat storage type combustion
During system work, heat-storage type burner arranged in pairs is alternately in burning and the shape of smoke evacuation by the switching of three-way diverter valve
State.When first heat-storage type burner 1 is in fired state, high pressure check valve ever-burning flame burner on supporting with it is in unlatching
State, meanwhile, the second heat-storage type burner 1 is in smoke evacuation state, at the high pressure check valve on ever-burning flame burner supporting with it
In closed mode.Now, combustion-supporting gas is after the heat storage of the first heat-storage type burner 1, and temperature raises, and major part is passed through
Main fire combustion-supporting gas passage supports the burning of main fire, remainder by with its supporting ever-burning flame system for airduct and connecting
Pipe enters the combustion air passage of two ever-burning flame burners, supports the burning of two ever-burning flame burners.When heat-storage type burner two
After individual three-way diverter valve carries out linkage commutation, the first heat-storage type burner 1 is converted to smoke evacuation state, the combustion product gases warp in burner hearth
Crossing the first heat-storage type burner 1, discharge after heat storage body, the second heat-storage type burner 1 is converted to fired state, with first
Heat-storage type burner 1 and the high pressure check valve of the supporting respective ever-burning flame burner of the second heat-storage type burner 1 and triplet commutation
Valve links, i.e. the high pressure check valve of the first heat-storage type burner 1 transfers closed mode to, the second heat-storage type burner 1
High pressure check valve transfers opening to.
In above-mentioned work process, two ever-burning flame burners can receive combustion air, i.e. two baked wheaten cakes kept burning day and night continuously
Mouth is at lasting fired state, and combustion-supporting gas is the high-temperature gas through heat storage heating, make use of fume afterheat,
Reach energy-saving effect.The multi-port inclination angle of fuel nozzle, nozzle are positioned at the designs such as outer tube makes the mixing of fuel and gas more
Fully, burning is more effectively.It addition, this ever-burning flame system structure is simple, easy for installation, it is not necessary to stove or heat-storage type burner
Make bigger change.
The content that above-described embodiment illustrates should be understood to that these embodiments are only used for being illustrated more clearly that the present invention, and not
For limiting the scope of the present invention, after having read the present invention, the those skilled in the art's various equivalent form of values to the present invention
Amendment each fall within the application claims limited range.
Claims (13)
1. the ever-burning flame system of a regenerative combustion system, it is characterised in that include and heat-storage type burner arranged in pairs
(1,1) two supporting ever-burning flame burner bodies (2,2);Each ever-burning flame burner body (2,2) supplies airduct by independent
(3,3) connect with corresponding heat-storage type burner (1,1), and two for connecting by tandem tube (4,4) between airduct (3,3)
Logical;Each described ever-burning flame burner body (2,2) all includes inner tube and suit outer tube on inner pipe, and igniter;
Said inner tube is the blast tube (5) or combustion air passage (6) connected with burner hearth, is formed corresponding between said inner tube with outer tube
Combustion air passage (6) or blast tube (5);Equipped with check valve (13,13) on described confession airduct (3,3);
Having combustion air channel entrance (7) on described outer tube, this combustion air channel entrance (7) is arranged on one end of outer tube, and this is outer
The other end of pipe has the combustion air channel outlet (17) connected with burner hearth;Described blast tube (5) by burner hearth one end equipped with
Gas nozzle (16);
Described igniter is ignitor (8), and this ignitor (8) is penetratingly arranged on described combustion air passage (6), and point
Described combustion air passage (6) is stretched out in one end of thermoelectricity pole (8), and the other end of this ignitor (8) is fixed on described gas nozzle
(16) near;
Fire inspection probe (9) it is provided with along its length in described combustion air passage (6);One end of described fire inspection probe (9) is stretched
Going out described combustion air passage (6), the other end of this fire inspection probe (9) stretches in burner hearth, and is fixed on described combustion air passage and goes out
Mouth (17) place.
The ever-burning flame system of regenerative combustion system the most according to claim 1, it is characterised in that described combustion air passage
(6) it is perpendicular to its length direction in and combustion air deflector (10) is installed.
The ever-burning flame system of regenerative combustion system the most according to claim 1, it is characterised in that described gas nozzle
(16) there are multiple subjet (19) of a center nozzle (18) and centrally disposed spout (18) surrounding;Described gas injection
Mouth (16) is positioned at described combustion air channel outlet (17) place.
The ever-burning flame system of regenerative combustion system the most according to claim 3, it is characterised in that described center nozzle
(18) being coaxially disposed with inner tube, the axis of described subjet (19) and inner tube are axially in 45 °.
5. a regenerative combustion system, including burner hearth, the heat-storage type burner being arranged in pairs in outside burner hearth (1,1);Its feature
Being, described heat-storage type burner (1,1) is provided with the heat storage type combustion as described in one of claim 1-4 being attached thereto
The ever-burning flame system of system.
6. the ever-burning flame system combustion-supporting gas changing method of a regenerative combustion system, it is characterised in that described heat accumulating type fires
Burning system includes burner hearth, the heat-storage type burner (1,1) being arranged in pairs in outside burner hearth;On described heat-storage type burner (1,1)
It is provided with the ever-burning flame system of the regenerative combustion system being attached thereto;
The ever-burning flame system of described regenerative combustion system includes two supporting with heat-storage type burner arranged in pairs (1,1)
Individual ever-burning flame burner body (2,2);Each ever-burning flame burner body (2,2) supplies airduct (3,3) with corresponding by independent
Heat-storage type burner (1,1) connects, and two for connecting by tandem tube (4,4) between airduct (3,3);Each described length
Open flame combustion nozzle body (2,2) all includes inner tube and suit outer tube on inner pipe, and igniter;Said inner tube is and stove
The blast tube (5) of thorax connection or combustion air passage (6), form corresponding combustion air passage (6) between said inner tube with outer tube
Or blast tube (5);Equipped with check valve (13,13) on described confession airduct (3,3);
In two heat-storage type burners, when the first heat-storage type burner (1) is fired state, with the first heat-storage type burner
(1) supporting the first check valve (13) remains on, and the second heat-storage type burner (1) is smoke evacuation state, with the second accumulation of heat
Supporting the second check valve (13) of formula burner (1) remains off;When the second heat-storage type burner (1) is burning shape
During state, second check valve (13) supporting with the second heat-storage type burner (1) is held open state, the first heat-storage type burner
(1) being smoke evacuation state, first check valve (13) supporting with the first heat-storage type burner (1) remains off.
Ever-burning flame system combustion-supporting gas changing method the most according to claim 6, it is characterised in that have on described outer tube
Combustion air channel entrance (7), this combustion air channel entrance (7) is arranged on one end of outer tube, and the other end of this outer tube has and stove
The combustion air channel outlet (17) of thorax connection;Described blast tube (5) leans on one end of burner hearth equipped with gas nozzle (16).
Ever-burning flame system combustion-supporting gas changing method the most according to claim 7, it is characterised in that described igniter is
Ignitor (8), this ignitor (8) is penetratingly arranged on described combustion air passage (6), and one end of ignitor (8) is stretched
Going out described combustion air passage (6), the other end of this ignitor (8) is fixed near described gas nozzle (16).
Ever-burning flame system combustion-supporting gas changing method the most according to claim 7, it is characterised in that described combustion air passage
(6) fire inspection probe (9) it is provided with in along its length;Described combustion air passage is stretched out in one end of described fire inspection probe (9)
(6), the other end of this fire inspection probe (9) stretches in burner hearth, and is fixed on described combustion air channel outlet (17) place.
Ever-burning flame system combustion-supporting gas changing method the most according to claim 7, it is characterised in that described combustion air leads to
It is perpendicular to its length direction in road (6) and combustion air deflector (10) is installed.
11. ever-burning flame system combustion-supporting gas changing methods according to claim 7, it is characterised in that described gas nozzle
(16) there are multiple subjet (19) of a center nozzle (18) and centrally disposed spout (18) surrounding;Described gas injection
Mouth (16) is positioned at described combustion air channel outlet (17) place.
12. ever-burning flame system combustion-supporting gas changing methods according to claim 11, it is characterised in that described center nozzle
(18) being coaxially disposed with inner tube, the axis of described subjet (19) and inner tube are axially in 45 °.
13. according to the ever-burning flame system combustion-supporting gas changing method one of claim 6-12 Suo Shu, it is characterised in that described list
Switching to the three-way diverter valve (20,20 ') opening and closing conversion and heat-storage type burner of valve (13,13) synchronizes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510092880.4A CN104696958B (en) | 2015-03-02 | 2015-03-02 | Pilot flame system of heat accumulation type combustion system and heat accumulation type combustion system and switching method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510092880.4A CN104696958B (en) | 2015-03-02 | 2015-03-02 | Pilot flame system of heat accumulation type combustion system and heat accumulation type combustion system and switching method |
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CN104696958A CN104696958A (en) | 2015-06-10 |
CN104696958B true CN104696958B (en) | 2017-01-11 |
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CN201510092880.4A Expired - Fee Related CN104696958B (en) | 2015-03-02 | 2015-03-02 | Pilot flame system of heat accumulation type combustion system and heat accumulation type combustion system and switching method |
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CN110848724A (en) * | 2019-11-20 | 2020-02-28 | 景德镇陶瓷大学 | Three-channel heat accumulating type heat exchange device |
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DE202005013405U1 (en) * | 2004-08-30 | 2005-11-10 | Vaillant Gmbh | Injection burner, has burner rods arranged so that they can ignite others, and ignited by separate ignition electrodes |
CN101280916A (en) * | 2008-05-14 | 2008-10-08 | 天津市赛洋工业炉有限公司 | Thermal storage type oxygen-enriched combusting method and device |
CN101482266A (en) * | 2009-01-09 | 2009-07-15 | 吴道洪 | Low-calorific value gas double pre-heating heat accumulation type radiant tube |
CN201412850Y (en) * | 2009-03-24 | 2010-02-24 | 胡和平 | Fuel gas nozzle and burner employing same |
CN204494400U (en) * | 2015-03-02 | 2015-07-22 | 长沙恒威热能科技有限公司 | A kind of ever-burning flame system of regenerative combustion system and regenerative combustion system |
-
2015
- 2015-03-02 CN CN201510092880.4A patent/CN104696958B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202005013405U1 (en) * | 2004-08-30 | 2005-11-10 | Vaillant Gmbh | Injection burner, has burner rods arranged so that they can ignite others, and ignited by separate ignition electrodes |
CN101280916A (en) * | 2008-05-14 | 2008-10-08 | 天津市赛洋工业炉有限公司 | Thermal storage type oxygen-enriched combusting method and device |
CN101482266A (en) * | 2009-01-09 | 2009-07-15 | 吴道洪 | Low-calorific value gas double pre-heating heat accumulation type radiant tube |
CN201412850Y (en) * | 2009-03-24 | 2010-02-24 | 胡和平 | Fuel gas nozzle and burner employing same |
CN204494400U (en) * | 2015-03-02 | 2015-07-22 | 长沙恒威热能科技有限公司 | A kind of ever-burning flame system of regenerative combustion system and regenerative combustion system |
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CN104696958A (en) | 2015-06-10 |
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