CN216244878U - Large-scale water pipe gas boiler of pin-connected panel - Google Patents
Large-scale water pipe gas boiler of pin-connected panel Download PDFInfo
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- CN216244878U CN216244878U CN202122693543.4U CN202122693543U CN216244878U CN 216244878 U CN216244878 U CN 216244878U CN 202122693543 U CN202122693543 U CN 202122693543U CN 216244878 U CN216244878 U CN 216244878U
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Abstract
The utility model relates to an assembled large-scale water pipe gas-fired hot water boiler, belonging to the technical field of gas-fired boilers. The furnace comprises a first furnace zone (1) and a second furnace zone (2), wherein the first furnace zone (1) and the second furnace zone (2) are arranged in the middle; a first convection area (3) is arranged on the side surface of the first hearth area (1), and a second convection area (4) is arranged on the side surface of the second hearth area (2); a first energy saver (5) and a second energy saver (6) are sequentially arranged at the top between the first hearth zone (1) and the second hearth zone (2); the first energy saver (5) and the second energy saver (6) are connected in series or in parallel; a first combustor (9) is arranged in the first hearth zone (1), and a second combustor (10) is arranged in the second hearth zone (2). The utility model has compact structure and convenient installation, and the large furnace can meet the requirement of low-nitrogen combustion and improve the capacity of the boiler.
Description
Technical Field
The utility model relates to an assembled large-scale water pipe gas-fired hot water boiler, belonging to the technical field of gas-fired boilers.
Background
Under the prior art, along with the proposal of the carbon peak reaching and carbon neutralization major strategy, the promotion of central heating is increasingly strong, the demand of the water pipe gas-fired hot water boiler on the single capacity is increasingly strong, and the integral gas-fired hot water boiler always seeks the breakthrough on the capacity. But the self-contained gas boiler is difficult to exceed 70MW, and the larger market demand of 116MW and 140MW is mentioned.
For example, chinese patent publication No. CN209131141U discloses a straight-through integrally-installed large-sized water tube gas-fired hot water boiler, which includes a boiler furnace region, a convection heating surface region and an economizer; the boiler furnace area comprises a furnace area upper collecting box, a furnace area lower collecting box and a furnace area membrane wall which are longitudinally arranged; the convection heating surface area comprises an upper drum, a lower drum, a convection tube bundle and a full-film wall of the convection heating surface; the economizer comprises an inlet header, an outlet header and a pipe bundle.
The boiler is of a single-return-stroke straight-through structure, is simple in layout and compact in structure, reduces the total width of the boiler, simultaneously reduces the flue gas flow, is simple and low in resistance, not only reduces the requirement of the boiler on the floor space width, but also reduces the power of a blower, saves energy and reduces consumption; however, due to the road transportation limitation, the capacity of the boiler still cannot be broken through.
Therefore, in order to solve the above-mentioned background problems, it is urgent to develop a split-type large-sized water pipe gas-fired hot water boiler.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the background and provides the assembled large-scale water pipe gas-fired hot water boiler which has a compact structure and convenient installation, and the large hearth can meet the requirement of low-nitrogen combustion and can improve the capacity of the boiler.
The purpose of the utility model is realized as follows: an assembled large-scale water pipe gas-fired hot water boiler comprises a first hearth region and a second hearth region, wherein the first hearth region and the second hearth region are arranged in the middle;
a first convection area is arranged on the side surface of the first hearth area, and a second convection area is arranged on the side surface of the second hearth area;
the first convection area is connected with a first energy saver through a first connecting flue;
the second convection area is connected with a second energy saver through a second connecting flue;
the first energy saver and the second energy saver are connected in series or in parallel;
a first combustor is arranged in the first hearth area, and a second combustor is arranged in the second hearth area.
The first hearth area and the first convection area are connected through a pipeline, and the second hearth area and the second convection area are connected through a pipeline.
The first hearth area and the second hearth area both adopt membrane wall structures and comprise an upper header, a lower header and front and rear wall water-cooled walls.
The first convection zone and the second convection zone both adopt a middle convection pipe structure with membrane walls at two sides and comprise an upper drum, a lower drum and a pipe bundle.
Compared with the prior art, the utility model has the following advantages:
the assembled large-scale water pipe gas-fired hot water boiler has the advantages of compact structure and convenient installation and arrangement, the hearth region can meet the requirement of low-nitrogen combustion, and the assembled module assembly structure improves the capacity of the boiler.
Drawings
Fig. 1 is a schematic view of the overall structure of a split large-sized water pipe gas-fired hot water boiler according to the present invention.
Fig. 2 is a schematic view of a steam-water system of the assembly type large-scale water pipe gas-fired hot water boiler of the present invention.
Fig. 3 is a schematic view of a flue gas and air system of the assembly type large water pipe gas-fired hot water boiler of the present invention.
Wherein: 1. a first hearth region; 2. a second hearth zone; 3. a first convection zone; 4. a second convection zone; 5. a first economizer; 6. a second economizer; 7. a first connecting flue; 8. a second connecting flue; 9. a first burner; 10. a second combustor; 11. and (4) a chimney.
Detailed Description
The utility model is described below with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1 to 3, the assembled large-scale water pipe gas-fired hot water boiler comprises a first hearth region 1 and a second hearth region 2, wherein the first hearth region 1 and the second hearth region 2 are arranged in the middle;
a first convection area 3 is arranged on the side surface of the first hearth area 1, and a second convection area 4 is arranged on the side surface of the second hearth area 2;
the first convection zone 3 is connected with a first energy saver 5 through a first connecting flue 7;
the second convection area 4 is connected with a second energy saver 6 through a second connecting flue 8;
the first energy saver 5 and the second energy saver 6 are connected in series or in parallel;
a first burner 9 is arranged in the first hearth zone 1, and a second burner 10 is arranged in the second hearth zone 2.
The first hearth zone 1 and the first convection zone 3 are connected by adopting a pipeline, and the second hearth zone 2 and the second convection zone 4 are connected by adopting a pipeline.
The first hearth zone 1 and the second hearth zone 2 both adopt membrane wall structures and comprise an upper header, a lower header and front and rear wall water-cooled walls.
The first convection zone 3 and the second convection zone 4 both adopt a middle convection pipe structure with membrane walls at two sides, and comprise an upper drum, a lower drum and a pipe bundle.
In this embodiment, in the steam-water system of the assembled large water pipe gas-fired hot water boiler of the present invention, boiler feed water and low temperature water respectively enter the first economizer 5 and the second economizer 6, then enter the furnace heating surfaces of the first furnace area 1 and the second furnace area 2, then enter the convection area heating surfaces of the first convection area 3 and the second convection area 4, and finally exit through the outlet on the boiler barrel and are collected to supply hot water to the outside.
In this embodiment, in the flue gas and air system of the assembled large water pipe gas-fired hot water boiler of the present invention, air and fuel gas enter the first furnace zone 1 and the second furnace zone 2 through the first burner 9 and the second burner 10, respectively, heat exchange is performed between high-temperature flue gas generated after combustion and the first convection zone 3 and the second convection zone 4, and then the high-temperature flue gas enters the first economizer 5 and the second economizer 6 through the first connecting flue 7 and the second connecting flue 8, respectively, for further heat exchange, and finally, low-temperature flue gas is discharged through the chimney 11.
The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (4)
1. The utility model provides a large-scale water pipe gas-fired hot water boiler of pin-connected panel which characterized in that: the device comprises a first hearth zone (1) and a second hearth zone (2), wherein the first hearth zone (1) and the second hearth zone (2) are arranged in the middle;
a first convection area (3) is arranged on the side surface of the first hearth area (1), and a second convection area (4) is arranged on the side surface of the second hearth area (2);
the first convection area (3) is connected with a first economizer (5) through a first connecting flue (7);
the second convection area (4) is connected with a second energy saver (6) through a second connecting flue (8);
the first energy saver (5) and the second energy saver (6) are connected in series or in parallel;
a first combustor (9) is arranged in the first hearth zone (1), and a second combustor (10) is arranged in the second hearth zone (2).
2. The assembled large water pipe gas-fired hot water boiler according to claim 1, wherein: the first hearth zone (1) is connected with the first convection zone (3) through a pipeline, and the second hearth zone (2) is connected with the second convection zone (4) through a pipeline.
3. The assembled large water pipe gas-fired hot water boiler according to claim 1, wherein: the first hearth zone (1) and the second hearth zone (2) both adopt membrane wall structures and comprise an upper header, a lower header and front and rear wall water-cooled walls.
4. The assembled large water pipe gas-fired hot water boiler according to claim 1, wherein: the first convection area (3) and the second convection area (4) both adopt a middle convection pipe structure with membrane walls on two sides and comprise an upper drum, a lower drum and a pipe bundle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122693543.4U CN216244878U (en) | 2021-11-05 | 2021-11-05 | Large-scale water pipe gas boiler of pin-connected panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122693543.4U CN216244878U (en) | 2021-11-05 | 2021-11-05 | Large-scale water pipe gas boiler of pin-connected panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216244878U true CN216244878U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122693543.4U Active CN216244878U (en) | 2021-11-05 | 2021-11-05 | Large-scale water pipe gas boiler of pin-connected panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216244878U (en) |
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2021
- 2021-11-05 CN CN202122693543.4U patent/CN216244878U/en active Active
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