CN209470185U - Air inlet gas fuel corner tube boiler under a kind of single drum horizontal formula - Google Patents
Air inlet gas fuel corner tube boiler under a kind of single drum horizontal formula Download PDFInfo
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- CN209470185U CN209470185U CN201821579432.2U CN201821579432U CN209470185U CN 209470185 U CN209470185 U CN 209470185U CN 201821579432 U CN201821579432 U CN 201821579432U CN 209470185 U CN209470185 U CN 209470185U
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Abstract
The utility model provides air inlet gas fuel corner tube boiler under a kind of single drum horizontal formula, including boiler furnace part, combustion system part.Support construction is set in the boiler body, and the support construction includes vertically disposed front side down-comer, rear side down-comer；The front side down-comer, rear side down-comer 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 the drum, the boiler drum bottom is connected with the down-comer being connected to the rear side down-comer, the front side decline bottom of the tube is connected with front and back and encircles lower header, top in the boiler body 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 is connected to the drum by last time water pipe.Air inlet gas fuel corner tube boiler under single drum horizontal formula provided by the utility model, 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, especially can satisfy national emission standard of air pollutants for boilers
Emission request, solves that fuel combustion is insufficient, and discharged nitrous oxides concentration is high, pollute under a kind of single drum horizontal formula of environment into
Gas gas fuel 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
Emissions of oxides becomes problem in the urgent need to address at present.
Summary of the invention
The purpose of the utility model is to provide air inlet gas fuel corner tube boilers under a kind of single drum horizontal formula, 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 utility model provides following scheme:
The utility model provides air inlet gas fuel corner tube boiler under a kind of single drum horizontal formula, including boiler furnace portion
Point, combustion system part.Support construction is set in the boiler body, and the support construction includes vertically disposed front side decline
Pipe, rear side down-comer；The front side down-comer, rear side down-comer both ends, which are connected separately on horizontally disposed side wall, to collect
Case and side wall lower header, one upper side of boiler body is provided with drum, water inlet pipe is connected on the drum, described
Boiler drum bottom is connected with the down-comer being connected to the rear side down-comer, and the front side decline bottom of the tube is connected with front and back and encircles next part
Case, the top in the boiler body are provided with front and back be connected to front and back arch lower header and encircle upper collecting chamber, and the front and back is encircleed
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, rear arch water-cooling wall, side wall, the face arch water-cooling wall and rear arch water-cooling wall upper end collect on the arch of the front and back respectively
Case connection, the face arch water-cooling wall and rear arch water-cooling wall lower end are connect with front and back arch lower header respectively, the side wall
Upper end is connect with the side wall upper collecting chamber respectively, the side wall lower end respectively with the side wall lower header
Connection, rear arch water-cooling wall lower section bending are provided with air inlet, are provided with burner at the air inlet；The rear arch water cooling
Flag pattern heat surface pipe is provided on the outside of wall, Flag pattern heat surface tube top portion is connected with water outlet collection by Flag pattern heat surface upper collecting chamber
Case, the Flag pattern heat surface bottom of the tube are connected with Flag pattern heat surface lower header, and the Flag pattern heat surface lower header is located at the side
At water-cooling wall lower header；Flue gas communication port is offered above the rear arch water-cooling wall, is offered below the Flag pattern heat surface pipe
Exhanst gas outlet.
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, it is connected to above the boiler drum bottom and the preceding down-comer, declines bottom of the tube and the side water before described
The connection of cold wall lower header, the side wall lower header are connected to the side wall upper collecting chamber, the side wall upper collecting chamber
It 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, throttle is provided on the rear side down-comer.
Optionally, side wall lower header bottom is equipped with symmetrically arranged support.
The utility model achieves following technical effect compared with the existing technology:
Air inlet gas fuel corner tube boiler under single drum horizontal formula provided by the utility model, combustion chamber height is high, fuel
Residence time is long, and flame energy free extension, fuel energy full combustion, support construction, safe water circulation reduce the row of nitrogen oxides
It puts, improves boiler thermal efficiency, 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 creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is one structural front view of air inlet gas fuel corner tube boiler embodiment under the utility model single drum horizontal formula.
Fig. 2 is two structural front view of air inlet gas fuel corner tube boiler embodiment under the utility model single drum horizontal formula.
Fig. 3 is three structural front view of air inlet gas fuel corner tube boiler embodiment under the utility model single drum horizontal formula.
Fig. 4 is air inlet gas fuel corner tube boiler example IV structural front view under the utility model single drum horizontal formula.
In figure: 1 boiler body, 2 water inlet pipes, 3 upper drums, 4 down-comers, 5 upper furnaces, 6 side walls, 7 face arch water coolings
Wall, encircle lower header for 8 front and backs, 9 combustion gas (fuel oil) import, 10 front side down-comers, 11 burners, 12 Flag pattern heat surface lower headers, and 13
Air inlet lower furnace portion under inclined type, 14 feed pipes, 15 last time water pipes, encircle upper collecting chamber for 16 front and backs, 17 water outlet headers, and 18 flag formulas are heated
Face upper collecting chamber, 19 side wall upper collecting chambers, 20 rear side down-comers, 21 throttles, 22 Flag pattern heat surfaces, 23 rear arch water-cooling walls, 24
Flag pattern heat surface pipe, 25 exhanst gas outlets, 26 side wall lower headers, 27 supports.
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 in the premise for not making creative work
Under every other embodiment obtained, fall within the protection scope of the utility model.
The purpose of the utility model is to provide air inlet gas fuel corner tube boilers under a kind of single drum horizontal formula, 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 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 air inlet gas fuel corner tube boiler under a kind of single drum horizontal formula, as shown in Figure 1, including pot
Furnace body part, combustion system part.Boiler furnace part includes boiler body 1, and the four of the setting of 1 surrounding vertical of boiler body
Root has the front side down-comer 10 and rear side down-comer 20 for supporting simultaneous decline effect, throttle 21, in 1 upper left of boiler body
The drum 3 of setting, the water inlet pipe 2 being connected to drum 3, feed pipe 14, down-comer 4 and last time water pipe 15, side wall 6, burner hearth
Lower header 8, side wall lower header 26, side water are encircleed in top 5, air inlet lower furnace portion 13 under inclined type, face arch water-cooling wall 7, front and back
Upper collecting chamber 16 is encircleed in cold wall upper collecting chamber 19, front and back, is discharged header 17, Flag pattern heat surface upper collecting chamber 18, Flag pattern heat surface pipe 24, flue gas
Outlet 25, Flag pattern heat surface 22, rear arch water-cooling wall 23, Flag pattern heat surface lower header 12, support 27.The setting of combustion system part
In the rear arch lower part of boiler body, by combustion gas (fuel oil) import 9, burner 11 is constituted, and is connected with boiler body rear arch.
Specifically, the face arch water-cooling wall 7 of the boiler body 1 in boiler furnace part, under rear arch water-cooling wall 23, front and back are encircleed
Header 8, front and back arch upper collecting chamber 16, side wall 6, side wall lower header 26, side wall upper collecting chamber 19 are constituted under inclined type
Air inlet burner hearth.
Inclined type sprays lower intake method and constitutes, and constituting combustion gas (fuel oil) import 9 by the bending of rear arch water-cooling wall 23, (position exists
13 forequarter of air inlet lower furnace portion under inclined type), burner 11 form.
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 17.
It is specific first is that be connected to water supply by drum 3, front side down-comer 10, front and back arch lower header 8, flow on the arch of front and back and collect after burner hearth exchanges heat
Case 16, last time water pipe 15 return to drum 3, complete face arch water-cooling wall 7 and 23 water of rear arch water-cooling wall circulation；Second is that by drum 3, under
Pipe 4, rear side decline 20 drop, and throttle 21, side wall lower header 26 is connected to water supply, flows into side wall after burner hearth exchanges heat
Upper collecting chamber 19, last time water pipe 15 return to drum 3, complete 6 water of side wall circulation；Third is that being given by drum 3, the connection of feed pipe 14
Water enters Flag pattern heat surface pipe 24 through heat convection into Flag pattern heat surface lower header 12, Flag pattern heat surface 22, to flag formula by
Hot face upper collecting chamber 18 is completed 22 water of Flag pattern heat surface circulation, is discharged by water outlet header 17.
Four for constituting the setting of 1 surrounding vertical of boiler body of support construction have the front side decline for supporting simultaneous decline effect
Pipe 10 and rear side decline 20 and throttle 21, the drum 3 of 1 upper left of boiler body setting, side wall lower header 26,
Side wall upper collecting chamber 19 forms.
Embodiment two
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 Fig. 2, increasing steam (vapor) outlet on drum 3, replacement is discharged header 17, and the feed pipe 14 in ontology becomes gas collecting tube
14。
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 17, this
Feed pipe 14 in body becomes gas collecting tube 14.
The course of work and principle of the utility model are as follows: be that combustion gas (fuel oil) is passed through by inclined type burner 11 first
Combustion gas (fuel oil) import 9, which is injected into burner hearth 13,5, burns, and the heat of generation is by the face arch water-cooling wall 7 of burner hearth, rear arch
Water-cooling wall 23, side wall 6 absorb, and the flue gas after cooling carries out washing away heat exchange by Flag pattern heat surface 22, complete entire heat exchange
Process, flue gas complete the course of work of boiler smoke burning by 25 discharge of outlet.
Followed by, boiler water cycle process is boiler blow-down water through the inflow drum 3 of water inlet pipe 2, and boiler water outlet is through being discharged header
17 outflows.Specifically first is that water supply is connected to by drum 3, front side down-comer 10, front and back arch lower header 8, before flowing into after burner hearth exchanges heat
Rear arch upper collecting chamber 16, last time water pipe 15 return to drum 3, complete face arch water-cooling wall 7 and 23 water of rear arch water-cooling wall circulation；Second is that by pot
Cylinder 3, down-comer 4, rear side down-comer 20, throttle 21, side wall lower header 26 are connected to water supply, the inflow side after burner hearth exchanges heat
Water-cooling wall upper collecting chamber 19, last time water pipe 15 return to drum 3, complete 6 water of side water wall circulation；Third is that by drum 3, feed pipe
14 connection water supply enter Flag pattern heat surface pipe 24 through heat convection into Flag pattern heat surface lower header 12, Flag pattern heat surface 22,
To Flag pattern heat surface upper collecting chamber 18,22 water of Flag pattern heat surface circulation is completed, is discharged by water outlet header 17, completed entire worked
Journey.
Specifically, four root canals and lower support 27 that the support of boiler is arranged by 1 surrounding vertical of boiler body form, branch
Support is stablized, and down-comer is also served as.Inclined type burner, which sprays gas fuel, is sent into lower furnace portion 13, upper furnace 5, flame energy
Free extension, combustion chamber height is high, and the fuel residence time is long, and flame degree of filling is relatively good, fuel energy full combustion.This technology
Air inlet gas fuel corner tube boiler is hot-water boiler, steam boiler, coal-powder boiler, fluid bed furnace, life under a kind of single drum horizontal formula
Substance furnace is also possible to other types of boiler.In addition, this technology can be widely applied to various other corner tube boilers.
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. air inlet gas fuel corner tube boiler under a kind of single drum horizontal formula, it is characterised in that: including boiler furnace part, burning
Components of system as directed；The boiler furnace part includes boiler body, and support construction, the support construction are arranged in the boiler body
Four including the setting of boiler body surrounding vertical have the front side down-comer and rear side down-comer that support simultaneous decline effect；It is described
Front side down-comer, rear side down-comer both ends are connected separately with horizontally disposed side wall upper collecting chamber and side wall next part
Case, one upper side of boiler body are provided with drum, are connected with water inlet pipe on the drum, the boiler drum bottom be connected with
The down-comer of the rear side down-comer connection, the front side decline bottom of the tube are connected with front and back and encircle lower header, the boiler body
Interior top is provided with the front and back being connected to front and back arch lower header and encircles upper collecting chamber, the front and back arch upper collecting chamber and the drum
It is connected to by last time water pipe.
2. air inlet gas fuel corner tube boiler under single drum horizontal formula according to claim 1, it is characterised in that: the combustion
Burning system includes air inlet burner hearth under inclined type, and air inlet burner hearth includes face arch water-cooling wall, rear arch water-cooling wall, side water under the inclined type
Cold 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
With rear arch water-cooling wall lower end respectively with the front and back arch lower header connect, the side wall upper end respectively with the side water cooling
The connection of wall upper collecting chamber, the side wall lower end is connect with the side wall lower header respectively, under the rear arch water-cooling wall
Side's bending is provided with air inlet, is provided with burner at the air inlet；It is heated that flag formula is provided on the outside of the rear arch water-cooling wall
Facial canal, Flag pattern heat surface tube top portion are connected with water outlet header, the Flag pattern heat surface pipe by Flag pattern heat surface upper collecting chamber
Bottom is connected with Flag pattern heat surface lower header, and the Flag pattern heat surface lower header is located at the side wall lower header；It is described
Flue gas communication port is offered above rear arch water-cooling wall, offers exhanst gas outlet below the Flag pattern heat surface pipe.
3. air inlet gas fuel corner tube boiler under single drum horizontal formula according to claim 2, it is characterised in that: the flag
Flag pattern heat surface is provided between formula heating surface tube and the rear arch water-cooling wall, the exhanst gas outlet is located at the Flag pattern heat surface
Bottom, the flue gas communication port are located above the Flag pattern heat surface.
4. air inlet gas fuel corner tube boiler under single drum horizontal formula according to claim 3, it is characterised in that: the pot
It is connected to above cylinder 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 to the drum.
5. air inlet gas fuel corner tube boiler under single drum horizontal formula according to claim 4, it is characterised in that: the pot
Cylinder 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
It 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 and the water outlet
Header connection.
6. air inlet gas fuel corner tube boiler under single drum horizontal formula according to claim 5, it is characterised in that: after described
Throttle is provided on the down-comer of side.
7. air inlet gas fuel corner tube boiler under single drum horizontal formula according to claim 6, it is characterised in that: the side
Water-cooling wall lower header bottom is equipped with symmetrically arranged support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821579432.2U CN209470185U (en) | 2018-09-27 | 2018-09-27 | Air inlet gas fuel corner tube boiler under a kind of single drum horizontal formula |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821579432.2U CN209470185U (en) | 2018-09-27 | 2018-09-27 | Air inlet gas fuel corner tube boiler under a kind of single drum horizontal formula |
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| CN209470185U true CN209470185U (en) | 2019-10-08 |
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| CN201821579432.2U Active CN209470185U (en) | 2018-09-27 | 2018-09-27 | Air inlet gas fuel corner tube boiler under a kind of single drum horizontal formula |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4261456A1 (en) | 2022-03-21 | 2023-10-18 | Xi'an Jiaotong University | Heterogeneous tube bundle group heat transfer structure, corner tube boiler and operation method thereof |
-
2018
- 2018-09-27 CN CN201821579432.2U patent/CN209470185U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4261456A1 (en) | 2022-03-21 | 2023-10-18 | Xi'an Jiaotong University | Heterogeneous tube bundle group heat transfer structure, corner tube boiler and operation method thereof |
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