CN109140412A - A kind of lower air inlet gas fuel corner tube boiler of list drum inclined type injection - Google Patents
A kind of lower air inlet gas fuel corner tube boiler of list drum inclined type injection Download PDFInfo
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- CN109140412A CN109140412A CN201811129261.8A CN201811129261A CN109140412A CN 109140412 A CN109140412 A CN 109140412A CN 201811129261 A CN201811129261 A CN 201811129261A CN 109140412 A CN109140412 A CN 109140412A
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- drum
- boiler
- air inlet
- comer
- water
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- 239000000446 fuel Substances 0.000 title claims abstract description 40
- 238000002347 injection Methods 0.000 title abstract description 6
- 239000007924 injection Substances 0.000 title abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000002485 combustion reaction Methods 0.000 claims abstract description 22
- 230000007423 decrease Effects 0.000 claims abstract description 22
- 239000007921 spray Substances 0.000 claims abstract description 19
- 238000010276 construction Methods 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims description 34
- 238000001816 cooling Methods 0.000 claims description 33
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 9
- 239000003546 flue gas Substances 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 239000000567 combustion gas Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 5
- 210000000038 chest Anatomy 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000035807 sensation Effects 0.000 description 3
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012546 transfer 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/10—Water tubes; Accessories therefor
-
- 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
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
- F24H1/44—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with combinations of two or more of the types covered by groups F24H1/24 - F24H1/40 , e.g. boilers having a combination of features covered by F24H1/24 - F24H1/40
-
- 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
- F24H9/00—Details
- F24H9/0005—Details for water heaters
-
- 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
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
Abstract
The present invention discloses a kind of single lower air inlet gas fuel corner tube boiler of drum inclined type injection, the boiler body including being provided with combustion system；Support construction is set in boiler body, and support construction includes front side down-comer, intermediate down-comer, rear side decline exhaust pipe；Front side down-comer, intermediate down-comer and rear side decline exhaust pipe both ends are connected separately with horizontally disposed side wall upper collecting chamber and side wall lower header, one upper side of boiler body is provided with drum, water inlet pipe is connected on drum, boiler drum bottom is connected with the down-comer being connected to intermediate down-comer, centre decline bottom of the tube is connected with front and back and encircles lower header, top in boiler body is provided with the front and back being connected to front and back arch lower header and encircles upper collecting chamber, and front and back arch upper collecting chamber is connected to drum by last time water pipe.List drum inclined type provided by the invention sprays lower air inlet gas fuel corner tube boiler, and the fuel residence time is long, flame energy free extension, fuel energy full combustion, support construction stabilization, safe water circulation.
Description
Technical field
The present invention relates to boiler technology fields, spray lower air inlet gas fuel angle more particularly to a kind of single drum inclined type
Pipe boiler.
Background technique
It is well known that current gas fuel boiler is generally side air inlet, combustion chamber longitudinal separation is short, combustion chamber height
Low, combustion chamber volume is small, and support construction, water circulation are dangerous.This structure causes the short needs of gas residence time to be redirected into
Upper furnace, flame are unable to free extension, and gas burning is uneven, and fuel combustion is insufficient, and gas fume of combustion chamber degree of filling is not high,
Discharged nitrous oxides concentration is high, and flue gas directly washes away burner hearth rear wall, and serious wear, maintenance rate is high, increases use cost.It is well known
This structure boiler is not able to satisfy the development of society, therefore, how to solve that gas residence time is short, and flame is unable to free extension,
Gas burning is uneven, and fuel combustion is insufficient, and combustion chamber degree of filling is not high, and flue gas directly washes away burner hearth rear wall, reduces abrasion,
Support construction, water recycle dangerous, prolonged boiler service life, reduce maintenance frequency, reduce use cost, in addition, reducing nitrogen
Oxide becomes problem in the urgent need to address at present.
Summary of the invention
The object of the present invention is to provide a kind of single drum inclined types to spray lower air inlet gas fuel corner tube boiler, on solving
Problem of the existing technology is stated, keeps the fuel residence time long, flame energy free extension, fuel energy full combustion, support construction
Stablize, safe water circulation.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of single lower air inlet gas fuel corner tube boiler of drum inclined type injection, including boiler body, the pot
Combustion system is provided in furnace body；Support construction is set in the boiler body, and the support construction includes vertically disposed
Front side down-comer, intermediate down-comer, rear side decline exhaust pipe；The front side down-comer, intermediate down-comer and rear side decline exhaust
Pipe both ends are connected separately with horizontally disposed side wall upper collecting chamber and side wall lower header, and one upper side of boiler body is provided with
Drum is connected with water inlet pipe on the drum, and the boiler drum bottom is connected with the down-comer being connected to the intermediate down-comer, institute
It states intermediate decline bottom of the tube and is connected with front and back arch lower header, the top in the boiler body is provided with and next part is encircleed in the front and back
Encircle upper collecting chamber for the front and back of case connection, and the front and back arch upper collecting chamber is connected to the drum by last time water pipe.
Optionally, the combustion system includes air inlet burner hearth under inclined type, and air inlet burner hearth includes face arch under the inclined type
Water-cooling wall and rear arch water-cooling wall, the face arch water-cooling wall and rear arch water-cooling wall upper end are connect with front and back arch upper collecting chamber respectively,
The face arch water-cooling wall and rear arch water-cooling wall lower end are connect with front and back arch lower header respectively, curved below the face arch water-cooling wall
Folding is provided with air inlet, is provided with burner at the air inlet；It is provided with Flag pattern heat surface pipe on the outside of the rear arch water-cooling wall,
Flag pattern heat surface tube top portion is connected with water outlet header by Flag pattern heat surface upper collecting chamber, and the Flag pattern heat surface bottom of the tube connects
It is connected to Flag pattern heat surface lower header, the Flag pattern heat surface lower header is located at the side wall lower header；The rear arch water-cooling wall
Top offers flue gas communication port, offers exhanst gas outlet below the Flag pattern heat surface pipe.
Optionally, Flag pattern heat surface, the flue gas are provided between the Flag pattern heat surface pipe and the rear arch water-cooling wall
Outlet is located at the Flag pattern heat surface bottom, and the flue gas communication port is located above the Flag pattern heat surface.
Optionally, be connected to above the boiler drum bottom and the front side down-comer, the front side decline bottom of the tube with it is described
The connection of side wall lower header, the side wall lower header are connected to the side wall upper collecting chamber, and the side wall upper collecting chamber passes through the last time
Water pipe is connected to the drum.
Optionally, the drum is communicated with feed pipe, and the water supply bottom of the tube is connected to the Flag pattern heat surface lower header,
The Flag pattern heat surface lower header is connected to by the Flag pattern heat surface pipe with the Flag pattern heat surface upper collecting chamber, the flag formula by
Hot face upper collecting chamber is connected to the water outlet header.
Optionally, it is provided with first throttle circle on the intermediate down-comer, the is provided on the rear side decline exhaust pipe
Two throttles.
Optionally, rear side decline exhaust pipe both ends are connected to the side wall upper collecting chamber and side wall lower header respectively.
Optionally, side wall lower header bottom is equipped with symmetrically arranged support.
The present invention achieves following technical effect compared with the existing technology:
List drum inclined type provided by the invention sprays lower air inlet gas fuel corner tube boiler, and combustion chamber height is high, and fuel stops
Time is long, flame energy free extension, fuel energy full combustion, and support construction stabilization, safe water circulation reduce the row of nitrogen oxides
It puts, improves boiler thermal efficiency, structure is simple.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is that the single drum inclined type of the present invention sprays lower one structural front view of air inlet gas fuel corner tube boiler embodiment.
Fig. 2 is that the single drum inclined type of the present invention sprays lower two structural front view of air inlet gas fuel corner tube boiler embodiment.
Fig. 3 is that the single drum inclined type of the present invention sprays lower three structural front view of air inlet gas fuel corner tube boiler embodiment.
Fig. 4 is that the single drum inclined type of the present invention sprays lower air inlet gas fuel corner tube boiler example IV structural front view.
In figure: 1 boiler body, 2 water inlet pipes, 3 drums, 4 first throttle circles, 5 down-comers, 6 upper furnaces, 7 side walls,
8 face arch water-cooling walls, air inlet lower furnace portion under 9 inclined types, 10 combustion gas, fuel inlet, 11 front side down-comers, 12 burners, 13 flags
Formula heating surface lower header, 14 side wall lower headers, 15 feed pipes, 16 last time water pipes, 17 intermediate down-comers, 18 water outlet headers, before 19
Rear arch upper collecting chamber, 20 Flag pattern heat surface upper collecting chambers, 21 side wall upper collecting chambers, 22 rear sides decline exhaust pipe, 23 second throttles, 24 flags
Lower header, 27 Flag pattern heat surface pipes, 28 exhanst gas outlets, 29 supports are encircleed in formula heating surface, 25 rear arch water-cooling walls, 26 front and backs.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of single drum inclined types to spray lower air inlet gas fuel corner tube boiler, on solving
Problem of the existing technology is stated, keeps the fuel residence time long, flame energy free extension, fuel energy full combustion, support construction
Stablize, safe water circulation.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Embodiment one
The present invention provides a kind of single lower air inlet gas fuel corner tube boiler of drum inclined type injection, as shown in Figure 1, including Boiler Furnace
Body portion, combustion system part.Boiler furnace part includes boiler body 1, and the six roots of sensation of 1 surrounding vertical of boiler body setting has
Front side down-comer 11, intermediate down-comer 17, first throttle circle 4 and the rear side decline exhaust pipe 22 for supporting simultaneous decline to act on, second
Throttle 23, in the drum 3 of 1 upper left of boiler body setting, the water inlet pipe 2 being connected to drum 3, feed pipe 15, down-comer
5 and last time water pipe 16, side water wall 7, upper furnace 6, air inlet lower furnace portion 9 under inclined type, face arch water-cooling wall 8, front and back arch
Upper collecting chamber 19 is encircleed in lower header 26, side wall lower header 14, side wall upper collecting chamber 21, front and back, is discharged header 18, Flag pattern heat surface upper collecting chamber
20, Flag pattern heat surface pipe 27, exhanst gas outlet 28, Flag pattern heat surface 24, rear arch water-cooling wall 25, Flag pattern heat surface lower header 13, branch
Seat 29.The face arch lower part of boiler body is arranged in combustion system part, and by combustion gas, fuel inlet 10, burner 12 is constituted, with pot
Furnace body face arch is connected.
Specifically, the face arch water-cooling wall 8 of the boiler body 1 in boiler furnace part, under rear arch water-cooling wall 25, front and back are encircleed
Header 26, front and back arch upper collecting chamber 19, side wall 7, side wall lower header 14, side wall upper collecting chamber 21 constitute air inlet furnace under inclined type
Thorax.
It includes that the bending of face arch water-cooling wall 8 constitutes combustion gas, the position fuel inlet 10(exists that inclined type, which sprays lower intake method and constitutes,
9 forequarter of air inlet lower furnace portion under inclined type), burner 12.
Boiler water cycle process is boiler blow-down water through the inflow drum 3 of water inlet pipe 2, and boiler water outlet is flowed out through water outlet header 18.
It is specific first is that by drum 3, down-comer 5, intermediate down-comer 17(first throttle circle 4), front and back arch lower header 26 be connected to water supply, through furnace
Front and back arch upper collecting chamber 19 is flowed into after thorax heat exchange, last time water pipe 16 communicates back to drum 3, completion face arch water-cooling wall 8 and rear arch water cooling
25 water of wall circulation；Second is that front side down-comer 11, side wall lower header 14 are connected to water supply by drum 3, side wall is flowed into after burner hearth exchanges heat
Upper collecting chamber 21, last time water pipe 16 communicate back to drum 3, complete 7 water of side water wall circulation；Third is that being connected by drum 3, feed pipe 15
Logical water supply enters Flag pattern heat surface pipe 27 through heat convection, Flag pattern heat surface 24 arrives flag into Flag pattern heat surface lower header 13
Formula heating surface upper collecting chamber 20 is completed 24 water of Flag pattern heat surface circulation, is gone out by water outlet header 18；Fourth is that rear side decline exhaust pipe 22 and
Second throttle 23 is vented and declines to side wall.
The composition of support construction includes before the six roots of sensation of 1 surrounding vertical of boiler body setting has support and decline effect
Side down-comer 11, intermediate down-comer 17, first throttle circle 4 and rear side decline exhaust pipe 22 and the second throttle 23, in boiler sheet
Drum 3, the side wall lower header 14, side wall upper collecting chamber 21 of 1 upper left of body setting.
Embodiment two
The present embodiment is the further improvement made on the basis of example 1, the technical characteristic comprising one whole of embodiment,
As shown in Fig. 2, increasing steam (vapor) outlet on drum 3, replacement is discharged header 18, and the feed pipe 15 in ontology becomes gas collecting tube.
Embodiment three
The present embodiment is the further improvement made on the basis of example 1, the technical characteristic comprising one whole of embodiment,
As shown in figure 3, drum 3 is in 1 upper right portion of boiler body.
Example IV
The present embodiment is the further improvement made on the basis of example 1, the technical characteristic comprising one whole of embodiment,
As shown in figure 4, drum 3 increases steam (vapor) outlet in 1 upper right portion of boiler body on drum, replace and be discharged header 18, in ontology
Feed pipe 15 become gas collecting tube 15.
The course of work and principle of the invention are as follows: firstly, combustion gas (fuel oil) passes through combustion gas, combustion by inclined type burner 12
Oil inlet 10 is injected into air inlet lower furnace portion 9 under inclined type, burns in upper furnace 6, and the heat of generation is by burner hearth
Face arch water-cooling wall 8, rear arch water-cooling wall 25, side water wall 7 absorb, and the flue gas after cooling is washed away by Flag pattern heat surface 24
Heat exchange, completes entire heat transfer process, and flue gas completes the course of work of boiler smoke burning by 28 discharge of outlet.
Secondly, boiler water cycle process is boiler blow-down water, drum 3 is flowed into through water inlet pipe 2, boiler water outlet is through being discharged header 18
Outflow.It is specific first is that by drum 3, down-comer 5, intermediate down-comer 17(first throttle circle 4), the front and back arch connection of lower header 26 gives
Water flows into front and back arch upper collecting chamber 19 after burner hearth exchanges heat, last time water pipe 16 returns to drum 3, completion face arch water-cooling wall 8 and rear arch water
25 water of cold wall circulation；Second is that front side down-comer 11, side wall lower header 14 are connected to water supply by drum 3, flowed after burner hearth exchanges heat
Enter side water wall upper collecting chamber 21, last time water pipe 16 returns to drum 3, completes 7 water of side water wall circulation；Third is that by drum 3, giving
Return pipe 15 is connected to water supply, into Flag pattern heat surface lower header 13, enters Flag pattern heat surface pipe 27 through heat convection, flag formula is heated
Flag pattern heat surface upper collecting chamber 20 is arrived in face 24, completes 24 water of Flag pattern heat surface circulation, is discharged by water outlet header 18；Fourth is that under rear side
It drops exhaust pipe 22 and the second throttle 23 to be vented and decline to side wall, completes whole work process.
Specifically, the support of boiler is made of the six roots of sensation pipe that 1 surrounding vertical of boiler body is arranged, down-comer, bottom are also served as
Portion is equipped with support 29, supporting & stablizing.Inclined type burner, which sprays gas fuel, is sent into air inlet lower furnace portion 9, furnace under inclined type
Thorax top 6, flame energy free extension, combustion chamber height is high, and the fuel residence time is long, and flame degree of filling is relatively good, and fuel can fill
Divided combustion.A kind of inclined type injection gas fuel corner tube boiler of the invention is hot-water boiler, steam boiler, coal-powder boiler, fluidisation
Pool furnace, biomass stove are also possible to other types of boiler.In addition, the present invention can be widely applied to various other cornue boilers
Furnace.
Specific examples are applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to
According to thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification
It should not be construed as limiting the invention.
Claims (8)
1. a kind of list drum inclined type sprays lower air inlet gas fuel corner tube boiler, it is characterised in that: described including boiler body
Combustion system is provided in boiler body；Support construction is set in the boiler body, and the support construction includes being vertically arranged
Front side down-comer, intermediate down-comer, rear side decline exhaust pipe；The front side down-comer, intermediate down-comer and rear side decline row
Tracheae both ends are connected separately with horizontally disposed side wall upper collecting chamber and side wall lower header, one upper side of the boiler body setting
There is drum, water inlet pipe is connected on the drum, the boiler drum bottom is connected with the down-comer being connected to the intermediate down-comer,
The intermediate decline bottom of the tube is connected with front and back and encircles lower header, the top in the boiler body be provided with under the arch of the front and back
Encircle upper collecting chamber for the front and back of header connection, and the front and back arch upper collecting chamber is connected to the drum by last time water pipe.
2. list drum inclined type according to claim 1 sprays lower air inlet gas fuel corner tube boiler, it is characterised in that: institute
Stating combustion system includes air inlet burner hearth under inclined type, and air inlet burner hearth includes face arch water-cooling wall and rear arch water cooling under the inclined type
Wall, the face arch water-cooling wall and rear arch water-cooling wall upper end respectively with the front and back arch upper collecting chamber connect, the face arch water-cooling wall with
Rear arch water-cooling wall lower end is connect with front and back arch lower header respectively, and bending is provided with air inlet below the face arch water-cooling wall,
Burner is provided at the air inlet；Flag pattern heat surface pipe, the Flag pattern heat surface are provided on the outside of the rear arch water-cooling wall
Tube top portion is connected with water outlet header by Flag pattern heat surface upper collecting chamber, and the Flag pattern heat surface bottom of the tube is connected with Flag pattern heat surface
Lower header, the Flag pattern heat surface lower header are located at the side wall lower header；Flue gas is offered above the rear arch water-cooling wall
Communication port, the Flag pattern heat surface pipe lower section offer exhanst gas outlet.
3. list drum inclined type according to claim 2 sprays lower air inlet gas fuel corner tube boiler, it is characterised in that: institute
State and be provided with Flag pattern heat surface between Flag pattern heat surface pipe and the rear arch water-cooling wall, the exhanst gas outlet be located at the flag formula by
Hot face bottom, the flue gas communication port are located above the Flag pattern heat surface.
4. list drum inclined type according to claim 3 sprays lower air inlet gas fuel corner tube boiler, it is characterised in that: institute
It states and is connected to above boiler drum bottom and the front side down-comer, the front side decline bottom of the tube is connected to the side wall lower header, institute
It states side wall lower header to be connected to the side wall upper collecting chamber, the side wall upper collecting chamber is connected by the last time water pipe and the drum
It is logical.
5. list drum inclined type according to claim 4 sprays lower air inlet gas fuel corner tube boiler, it is characterised in that: institute
It states drum and is communicated with feed pipe, the water supply bottom of the tube is connected to the Flag pattern heat surface lower header, under the Flag pattern heat surface
Header is connected to by the Flag pattern heat surface pipe with the Flag pattern heat surface upper collecting chamber, the Flag pattern heat surface upper collecting chamber with it is described
It is discharged header connection.
6. list drum inclined type according to claim 5 sprays lower air inlet gas fuel corner tube boiler, it is characterised in that: institute
It states and is provided with first throttle circle on intermediate down-comer, be provided with the second throttle on the rear side decline exhaust pipe.
7. list drum inclined type according to claim 6 sprays lower air inlet gas fuel corner tube boiler, it is characterised in that: institute
Rear side decline exhaust pipe both ends are stated to be connected to the side wall upper collecting chamber and side wall lower header respectively.
8. list drum inclined type according to claim 1 sprays lower air inlet gas fuel corner tube boiler, it is characterised in that: institute
It states side wall lower header bottom and symmetrically arranged support is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811129261.8A CN109140412A (en) | 2018-09-27 | 2018-09-27 | A kind of lower air inlet gas fuel corner tube boiler of list drum inclined type injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811129261.8A CN109140412A (en) | 2018-09-27 | 2018-09-27 | A kind of lower air inlet gas fuel corner tube boiler of list drum inclined type injection |
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| Publication Number | Publication Date |
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| CN109140412A true CN109140412A (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811129261.8A Pending CN109140412A (en) | 2018-09-27 | 2018-09-27 | A kind of lower air inlet gas fuel corner tube boiler of list drum inclined type injection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737373A (en) * | 2019-03-08 | 2019-05-10 | 哈尔滨四方锅炉有限公司 | A kind of list drum twin furnace compound combustion expansion chamber corner tube boiler |
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Application publication date: 20190104 |