CN216409300U

CN216409300U - High-efficient low nitrogen boiler

Info

Publication number: CN216409300U
Application number: CN202123155328.5U
Authority: CN
Inventors: 刘磊; 张文龙; 李勇; 高伟; 翟志永; 刘宗华
Original assignee: Zhoukou Yuanda Taikang Boiler Co ltd
Current assignee: Zhoukou Yuanda Taikang Boiler Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-04-29
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses a high-efficiency low-nitrogen hot water boiler, which relates to the technical field of heating equipment, and particularly relates to a high-efficiency low-nitrogen hot water boiler. Through the setting of the assembly of discharging fume of heating, make this high-efficient low-nitrogen hot water boiler possess can avoid the heat to run off too fast and then the effect of raising the efficiency, through the setting of the assembly of discharging fume of heating, make this high-efficient low-nitrogen hot water boiler possess can avoid the hot-water tank inner wall to accumulate the smoke and dust and then the effect of raising the efficiency.

Description

High-efficient low nitrogen boiler

Technical Field

The utility model relates to the technical field of heating equipment, in particular to a high-efficiency low-nitrogen hot water boiler.

Background

The low-nitrogen hot water boiler has the advantages that the purpose is very extensive, hot water can be supplied by a central air conditioner, floor radiation and a heating radiator system, heating hot water and life hot water can be supplied according to user demands, the safety is relatively high, the high efficiency and energy saving performance are realized, hot water with different temperatures can be supplied, and the appearance is beautiful and elegant compared with a traditional boiler.

But current low nitrogen boiler has some defects in the use, and on the one hand heat loss is too fast to lead to inefficiency, and on the other hand hot-water tank inner wall accumulates the smoke and dust easily and leads to inefficiency.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a high-efficiency low-nitrogen hot water boiler, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a high-efficiency low-nitrogen hot water boiler comprises an outer boiler box body, a hot water box body is fixedly connected inside the outer boiler box body, a heating cavity is arranged in the middle of the hot water tank body, one side of the boiler outer tank body close to the hot water tank body is fixedly connected with a full premix burner, the full premix burner comprises a burner main machine and a premix heating pipe, a heating smoke exhaust assembly is arranged in the heating cavity, the heating smoke exhaust assembly comprises a smoke exhaust outer pipe and a smoke exhaust inner pipe, the two ends of the smoke exhaust outer pipe and the smoke exhaust inner pipe are respectively and fixedly connected with an inner cover plate and an outer cover plate, a spiral plate is arranged between the smoke exhaust outer pipe and the smoke exhaust inner pipe, the outer surface of the smoke exhaust outer pipe close to the outer cover plate is fixedly connected with a smoke exhaust pipe flange and a smoke exhaust connecting outer pipe, the inner wall fixedly connected with afterbody shrouding that the inner tube of discharging fume is close to the pipe flange of discharging fume, the one end that the inner tube of discharging fume is close to the afterbody shrouding is provided with the heat insulating block.

Preferably, the periphery of the smoke exhaust inner pipe close to the inner cover plate is provided with a through hole, and the inner diameter of the smoke exhaust inner pipe is larger than the outer diameter of the premixed heating pipe.

Preferably, the length of spiral plate is less than the length of outer pipe of discharging fume, the one end and the outer apron contact of spiral plate, be provided with the interval between the other end of spiral plate and the inner decking.

Preferably, the outer smoke exhaust pipe is in clearance fit with the heating cavity, and the flange of the smoke exhaust pipe is fixedly connected with the outer box of the boiler through screws.

Preferably, the tail sealing plate is located inside the heating cavity, and a space is arranged between the tail sealing plate and the premixing heating pipe.

Preferably, the end face of the heat insulation block is flush with the end face of the heating smoke exhaust assembly, and the outer diameter of the heat insulation block is the same as the inner diameter of the smoke exhaust inner pipe.

(III) advantageous effects

The utility model provides a high-efficiency low-nitrogen hot water boiler which has the following beneficial effects:

1. this high-efficient low-nitrogen hot water boiler through the setting of the assembly of discharging fume of heating, makes this high-efficient low-nitrogen hot water boiler possess and can avoid the heat to run off at the excessive speed and then the effect of raising the efficiency, discharges again through heating the assembly of discharging fume and can convolute the heat around the inner wall of hot-water tank body for the heat is fully absorbed and can avoid the heat to run off at the excessive speed and then raise the efficiency.

2. This high-efficient low-nitrogen hot water boiler through the setting of the assembly of discharging fume of heating, makes this high-efficient low-nitrogen hot water boiler possess and can avoid the hot-water tank inner wall to accumulate the smoke and dust and then the effect of raising the efficiency, and the heating assembly of discharging fume will separate the inner wall of premixed heating pipe and hot-water tank, and the smoke and dust that can avoid the burning production is attached to the hot-water tank inner wall and then raises the efficiency.

Drawings

FIG. 1 is a schematic structural view of an external view of the present invention;

FIG. 2 is a schematic structural view of a cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of a partially exploded sectional view of the present invention;

FIG. 4 is a schematic diagram of a partial cross-sectional view of a heating and smoke evacuation assembly of the present invention.

In the figure: 1. a boiler outer case; 2. a hot water tank body; 201. heating the cavity; 3. a fully premixed burner; 301. a burner main machine; 302. premixing a heating pipe; 4. heating the smoke evacuation assembly; 401. an outer smoke evacuation pipe; 402. an inner smoke exhaust pipe; 403. an inner cover plate; 404. an outer cover plate; 405. a spiral plate; 406. a smoke exhaust pipe flange; 407. the smoke exhaust is connected with the outer pipe; 408. a tail sealing plate; 409. a heat insulation block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a high-efficiency low-nitrogen hot water boiler comprises a boiler outer box body 1, a hot water box body 2 is fixedly connected inside the boiler outer box body 1, a heating cavity 201 is arranged in the middle of the hot water box body 2, a full premix burner 3 is fixedly connected on one side of the boiler outer box body 1 close to the hot water box body 2, the full premix burner 3 comprises a burner host 301 and a premix heating pipe 302, a heating and smoke discharging assembly 4 is arranged inside the heating cavity 201, the heating and smoke discharging assembly 4 comprises a smoke discharging outer pipe 401 and a smoke discharging inner pipe 402, the smoke discharging outer pipe 401 is in clearance fit with the heating cavity 201, an inner cover plate 403 and an outer cover plate 404 are respectively and fixedly connected with two ends of the smoke discharging outer pipe 401 and the smoke discharging inner pipe 402, through holes are formed in the periphery of the smoke discharging inner pipe 402 close to the inner cover plate 403, the inner diameter of the smoke discharging inner pipe 402 is larger than the outer diameter of the premix heating pipe 302, a spiral plate 405 is arranged between the smoke discharging outer pipe 401 and the smoke discharging inner pipe 402, the length of the spiral plate 405 is less than that of the smoke exhaust outer pipe 401, one end of the spiral plate 405 is in contact with the outer cover plate 404, a space is arranged between the other end of the spiral plate 405 and the inner cover plate 403, the outer surface of the smoke exhaust outer pipe 401 close to the outer cover plate 404 is fixedly connected with a smoke exhaust pipe flange 406 and a smoke exhaust connection outer pipe 407, the smoke exhaust pipe flange 406 is fixedly connected with the boiler outer box body 1 through screws, the inner wall of the smoke exhaust inner pipe 402 close to the smoke exhaust pipe flange 406 is fixedly connected with a tail sealing plate 408, one end of the smoke exhaust inner pipe 402 close to the tail sealing plate 408 is provided with a heat insulation block 409, the tail sealing plate 408 is positioned in the heating cavity 201, a space is arranged between the tail sealing plate 408 and the premixed heating pipe 302, the end face of the heat insulation block 409 is flush with the end face of the heating smoke exhaust assembly 4, the outer diameter of the heat insulation block 409 is the same as the inner diameter of the smoke exhaust inner pipe 402, heat can be coiled around the inner wall of the hot water box body 2 and then exhausted, make the heat fully absorbed and can avoid the heat to run off too fast and then raise the efficiency, the while heats the assembly 4 of discharging fume and separates premixed heating pipe 302 and the inner wall of hot-water tank 2, can avoid burning the smoke and dust that produces to adhere to at the hot-water tank 2 inner wall and then raise the efficiency.

When in use, the heating and smoke discharging assembly 4 is inserted into the heating cavity 201 and fixedly connected with the hot water tank 2 through screws, when the fully premixed burner 3 works, flame is jetted from the periphery of the premixed heating pipe 302 and a large amount of heat is emitted to the periphery, if the burner host 301 or fuel has a problem and smoke dust is accompanied, the smoke discharging inner pipe 402 is heated after a large amount of heat enters the smoke discharging inner pipe 402, the heat is intensively folded back under the push of air flow from the smoke discharging inner pipe 402 to be close to the through hole of the burner host 301 to enter between the smoke discharging outer pipe 401 and the smoke discharging inner pipe 402, then the heat is coiled between the smoke discharging outer pipe 401 and the smoke discharging inner pipe 402 under the action of the spiral plate 405, the heat is transmitted to the hot water tank 2 after being absorbed as much as possible, the efficiency is improved, the smoke dust generated by combustion cannot directly contact with the inner wall of the hot water tank 2, and the heating and smoke discharging assembly 4 is convenient to disassemble and clean, so that the smoke generated by combustion can not block the heat transfer and further improve the efficiency.

To sum up, through the setting of heating assembly 4 of discharging fume, make this high-efficient low-nitrogen hot water boiler possess and can avoid the heat to run off at the excessive speed and then raise the efficiency effect, can coil the heat around the inner wall of hot-water tank 2 through heating assembly 4 of discharging fume and discharge again, make the heat fully absorbed and can avoid the heat to run off at the excessive speed and then raise the efficiency, through the setting of heating assembly 4 of discharging fume, make this high-efficient low-nitrogen hot water boiler possess and can avoid the 2 inner walls of hot-water tank to accumulate the smoke and dust and then raise the efficiency effect, heating assembly 4 of discharging fume separates premixed heating pipe 302 and the inner wall of hot-water tank 2, can avoid the smoke and dust that the burning produced to adhere to in hot-water tank 2 inner walls and then raise the efficiency.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a high-efficient low nitrogen boiler, includes outer box (1) of boiler, its characterized in that: the boiler is characterized in that a hot water tank body (2) is fixedly connected inside the boiler outer tank body (1), a heating cavity (201) is arranged in the middle of the hot water tank body (2), one side, close to the hot water tank body (2), of the boiler outer tank body (1) is fixedly connected with a full premix burner (3), the full premix burner (3) comprises a burner host (301) and a premix heating pipe (302), a heating and smoke discharging assembly (4) is arranged inside the heating cavity (201), the heating and smoke discharging assembly (4) comprises a smoke discharging outer pipe (401) and a smoke discharging inner pipe (402), two ends of the smoke discharging outer pipe (401) and the smoke discharging inner pipe (402) are respectively and fixedly connected with an inner cover plate (403) and an outer cover plate (404), a spiral plate (405) is arranged between the smoke discharging outer pipe (401) and the smoke discharging inner pipe (402), and a smoke discharging pipe flange (406) and a smoke discharging connecting outer pipe (407) are fixedly connected on the outer surface, close to the outer cover plate (404), of the smoke discharging outer pipe (401), the inner wall of the smoke exhaust inner pipe (402) close to the smoke exhaust pipe flange (406) is fixedly connected with a tail sealing plate (408), and one end of the smoke exhaust inner pipe (402) close to the tail sealing plate (408) is provided with a heat insulation block (409).

2. A high efficiency low nitrogen hot water boiler according to claim 1, characterized in that: the periphery of the smoke exhaust inner pipe (402) close to the inner cover plate (403) is provided with through holes, and the inner diameter of the smoke exhaust inner pipe (402) is larger than the outer diameter of the premixing heating pipe (302).

3. A high efficiency low nitrogen hot water boiler according to claim 1, characterized in that: the length of spiral plate (405) is less than the length of outer pipe (401) of discharging fume, the one end and the outer apron (404) contact of spiral plate (405), be provided with the interval between the other end and the interior apron (403) of spiral plate (405).

4. A high efficiency low nitrogen hot water boiler according to claim 1, characterized in that: the outer smoke exhaust pipe (401) is in clearance fit with the heating cavity (201), and the flange (406) of the smoke exhaust pipe is fixedly connected with the outer boiler box (1) through screws.

5. A high efficiency low nitrogen hot water boiler according to claim 1, characterized in that: the tail sealing plate (408) is located inside the heating cavity (201), and a space is arranged between the tail sealing plate (408) and the premixing heating pipe (302).

6. A high efficiency low nitrogen hot water boiler according to claim 1, characterized in that: the end face of the heat insulation block (409) is flush with the end face of the heating smoke exhaust assembly (4), and the outer diameter of the heat insulation block (409) is the same as the inner diameter of the smoke exhaust inner pipe (402).