CN209325748U - 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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- CN209325748U CN209325748U CN201821579431.8U CN201821579431U CN209325748U CN 209325748 U CN209325748 U CN 209325748U CN 201821579431 U CN201821579431 U CN 201821579431U CN 209325748 U CN209325748 U CN 209325748U
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Abstract
The utility model 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 utility model 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 utility model relates to boiler technology fields, spray lower air inlet combustion gas combustion more particularly to a kind of single drum inclined type
Oily corner tube 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 purpose of the utility model is to provide a kind of single drum inclined types to spray lower air inlet gas fuel corner tube boiler, with solution
Certainly the above-mentioned problems of the prior art keeps the fuel residence time long, flame energy free extension, fuel energy full combustion, support
Stable structure, safe water circulation.
To achieve the above object, the utility model provides following scheme:
The utility model provides a kind of single lower air inlet gas fuel corner tube boiler of drum inclined type injection, including boiler sheet
Body is provided with combustion system in the boiler body；Support construction is set in the boiler body, and the support construction includes hanging down
Front side down-comer, intermediate down-comer, the rear side decline exhaust pipe being directly arranged；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, on the boiler body side
Side is provided with drum, be connected with water inlet pipe on the drum, and the boiler drum bottom is connected with to be connected to the intermediate down-comer
Down-comer, the intermediate decline bottom of the tube are connected with front and back and encircle lower header, the top in the boiler body be provided with it is described
Encircle upper collecting chamber for the front and back that lower header connection is encircleed in front and back, 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 utility model achieves following technical effect compared with the existing technology:
List drum inclined type provided by the utility model sprays lower air inlet gas fuel corner tube boiler, and combustion chamber height is high,
The fuel residence time is long, flame energy free extension, fuel energy full combustion, and support construction stabilization, safe water circulation reduce nitrogen oxygen
The discharge of compound, improves boiler thermal efficiency, and structure is simple.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without any creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is that the utility model list drum inclined type sprays lower one structure main view of air inlet gas fuel corner tube boiler embodiment
Figure.
Fig. 2 is that the utility model list drum inclined type sprays lower two structure main view of air inlet gas fuel corner tube boiler embodiment
Figure.
Fig. 3 is that the utility model list drum inclined type sprays lower three structure main view of air inlet gas fuel corner tube boiler embodiment
Figure.
Fig. 4 is that the utility model list drum inclined type sprays lower air inlet gas fuel corner tube boiler example IV structure main view
Figure.
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
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The purpose of the utility model is to provide a kind of single drum inclined types to spray lower air inlet gas fuel corner tube boiler, with solution
Certainly the above-mentioned problems of the prior art keeps the fuel residence time long, flame energy free extension, fuel energy full combustion, support
Stable structure, safe water circulation.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
Embodiment one
The utility model provides a kind of single lower air inlet gas fuel corner tube boiler of drum inclined type injection, as shown in Figure 1, packet
Include boiler furnace part, combustion system part.Boiler furnace part includes boiler body 1, the setting of 1 surrounding vertical of boiler body
The six roots of sensation has the front side down-comer 11 for supporting simultaneous decline effect, intermediate down-comer 17, first throttle circle 4 and rear side decline exhaust
Pipe 22, the 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, encircle lower header 26 for front and back, side wall lower header 14, side wall upper collecting chamber 21, and upper collecting chamber 19 is encircleed in front and back, is discharged header 18, and flag formula is heated
Face 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 next part
Case 13, support 29.The face arch lower part of boiler body is arranged in combustion system part, by combustion gas, fuel inlet 10,12 structure of burner
At connected with boiler body face arch.
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, includes the whole technology of embodiment one
Feature, 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 collection
Pipe.
Embodiment three
The present embodiment is the further improvement made on the basis of example 1, special comprising the whole technology of embodiment one
Sign, 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, special comprising the whole technology of embodiment one
Sign, as shown in figure 4, drum 3 increases steam (vapor) outlet in 1 upper right portion of boiler body on drum, replacement is discharged header 18, this
Feed pipe 15 in body becomes gas collecting tube 15.
The course of work and principle of the utility model are as follows: firstly, combustion gas (fuel oil) passes through combustion by inclined type burner 12
Gas, fuel inlet 10 are injected into air inlet lower furnace portion 9 under inclined type, burn in upper furnace 6, and the heat of generation is by furnace
The face arch water-cooling wall 8 of thorax, rear arch water-cooling wall 25, side water wall 7 absorb, and the flue gas after cooling is carried out by Flag pattern heat surface 24
Heat exchange is washed away, entire heat transfer process is completed, 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.The utility model a kind of inclined type injection gas fuel corner tube boiler be hot-water boiler, steam boiler, coal-powder boiler,
Fluid bed furnace, biomass stove are also possible to other types of boiler.In addition, the utility model can be widely applied to it is other each
Kind corner tube boiler.
Specific case is applied in the utility model to be expounded the principles of the present invention and embodiment, it is above
The explanation of embodiment is merely used to help understand the method and its core concept of the utility model；Meanwhile for the one of this field
As technical staff, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.To sum up
Described, the content of the present specification should not be construed as a limitation of the present invention.
Claims (7)
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
Have a drum, drum is connected with water inlet pipe in boiler body upper right portion, the drum, the boiler drum bottom be connected with it is described
The down-comer of intermediate down-comer connection, intermediate decline encircles lower header before and after bottom of the tube is connected with, in the boiler body
Top is provided with the front and back being connected to front and back arch lower header and encircles upper collecting chamber, and the front and back arch upper collecting chamber passes through with the drum
The connection of last time water pipe；Side wall lower header bottom is equipped with symmetrically arranged support.
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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821579431.8U CN209325748U (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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821579431.8U CN209325748U (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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| CN209325748U true CN209325748U (en) | 2019-08-30 |
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| CN201821579431.8U Active CN209325748U (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 |
|---|---|---|---|---|
| CN109140412A (en) * | 2018-09-27 | 2019-01-04 | 哈尔滨四方锅炉有限公司 | A kind of lower air inlet gas fuel corner tube boiler of list drum inclined type injection |
-
2018
- 2018-09-27 CN CN201821579431.8U patent/CN209325748U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140412A (en) * | 2018-09-27 | 2019-01-04 | 哈尔滨四方锅炉有限公司 | A kind of lower air inlet gas fuel corner tube boiler of list drum inclined type injection |
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