CN207540160U

CN207540160U - Integral center, which strile-backs, condenses hot-water boiler

Info

Publication number: CN207540160U
Application number: CN201820167897.0U
Authority: CN
Inventors: 王磊; 王德伟; 赵瑞德
Original assignee: Beijing Bo Mo Thermal Technology Research Institute Co Ltd; Suzhou Bomo Energy Products Co Ltd
Current assignee: Beijing Bo Mo Thermal Technology Research Institute Co Ltd; Suzhou Bomo Energy Products Co Ltd
Priority date: 2018-01-31
Filing date: 2018-01-31
Publication date: 2018-06-26
Anticipated expiration: 2028-01-31

Abstract

It strile-backs the utility model discloses a kind of integral center and condenses hot-water boiler, which includes boiler jacket, burner is provided with outside boiler jacket and burner is taken over, return combustion chamber, flue and smoke pipe are internally provided in boiler jacket；Wherein, burner is taken over is connected with return combustion chamber, and flame/flue gas during burner is taken over passes through return combustion chamber from middle part and enters in flue；Flue gas in flue is back to along inboard wall of furnace near flue mouth, and then enter in return combustion chamber, which turns via return combustion chamber back into in smoke pipe；Smoke box after being entered after exchanging heat is fully cooled in smoke pipe, take full advantage of the latent heat in flue gas, in addition this boiler does not have Traditional center to strile-back function of the front smoke box with return combustion chamber instead of front smoke box of boiler, both radiation heating-surface product had been increased, solves the problems, such as front smoke box door overheat simultaneously, reduce radiation loss, improve boiler efficiency.

Description

Integral center, which strile-backs, condenses hot-water boiler

Technical field

The utility model is related to Industrial Boiler Technology fields, and in particular to a kind of hot water for being mainly used for burning natural gas is adopted Integral center, which strile-backs, in heating system condenses hot-water boiler.

Background technology

Conventional central flame flame condensation hot-water boiler, only flue and threaded flue do not have return combustion chamber, and flue rear head is Flat head is welded with stay bolt bar on flat head；Generally water pipe energy-saving appliance and condenser are arranged in boiler body upper lateral part, height is big, Split is wanted to transport, is increased manufacturing cost and difficulty；Layout of boiler has front and rear smoke box, comes from flue reflux 850 DEG C or more high Warm flue gas enters smoke pipe in front smoke box through half-turn, and because flue-gas temperature is high in front smoke box, front smoke box door temperature is generally all super 50 DEG C to be crossed, increases radiation loss, external energy-saving appliance and condenser external surface area are also very big, equally increase radiation loss, For gas fired-boiler, it is to improve the important channel of boiler thermal efficiency, therefore can influence boiler efficiency to reduce boiler radiation loss Raising.Water flows in energy-saving appliance and condenser coiled pipe, and water resistance is larger, increases operating cost.

For these reasons, the present inventor to existing central flame flame condensation hot-water boiler further investigate, pass through by Return combustion chamber is arranged in front to replace front smoke box, to achieve the purpose that reduce radiation loss, and then design one kind to solve The integral center of the above problem, which strile-backs, condenses hot-water boiler.

Utility model content

In order to overcome the above problem, present inventor has performed sharp study, design a kind of integral center and strile-back condensation Hot-water boiler, the boiler include boiler jacket, burner are provided with outside boiler jacket and burner is taken over, in boiler jacket It is internally provided with return combustion chamber, flue and smoke pipe；Wherein, burner is taken over is connected with return combustion chamber, burner take in flame/cigarette Gas passes through return combustion chamber from middle part and enters in flue；Flue gas in flue is back to along inboard wall of furnace near flue mouth, And then enter in return combustion chamber, which turns via return combustion chamber back into in smoke pipe；It is fully cooled in smoke pipe Rear smoke box is entered after heat exchange, and then is discharged, so as to complete the utility model.

It specifically, should the purpose of this utility model is to provide strile-bacing to condense hot-water boiler with a kind of integral center Boiler includes boiler jacket 1, and burner 2 is provided with outside boiler jacket 1, flue 5 and cigarette are internally provided in boiler jacket 1 Pipe 6, burner are connected by burner take over 3 with return combustion chamber 4；

High-temperature flue gas, which is conveyed, flows through 4 center of burner take over 3 and return combustion chamber, is sent in flue 5, via in flue 5 Enter return combustion chamber 4 along 5 inner wall of flue after rear wall revolution, entered after returning again in smoke pipe 6；

The smoke pipe 6 includes leading portion and back segment.

The internal and external threads 61 of external compression formation are provided on the leading portion of the smoke pipe 6.

Needle wing 62 is provided in the back segment of the smoke pipe 6.

Wherein, return combustion chamber 4 includes the leading portion that is connected with burner take over 3, be connected with leading portion, diameter it is gradual it is increased in Section and the tubular back segment being connected with stage casing, back segment are connected with flue.

Wherein, the section in stage casing is similar to shoulder.

Wherein, the needle wing 62 includes minute hand wing and hour hand wing.

In a circumferential direction, minute hand wing and hour hand wing are arranged alternately.

The needle wing 62 is provided with multiple rows of along axis direction.

Wherein, along flow of flue gas direction, end is moved closer to, the density that the needle wing 62 is arranged gradually increases.

Wherein, the boiler rear portion is provided with smoke box 7.

Described 6 one end of smoke pipe is connected with return combustion chamber 4, and the other end is connected with smoke box 7.

Wherein, 7 bottom of smoke box is provided with drip pipe 8.

Wherein, the flue 5 is fixed on return combustion chamber 4, and the flue 5 does not contact boiler jacket 1.

Wherein, the smoke pipe 6 is provided with more, and more smoke pipes 6 are looped around 5 outside of flue.

Wherein, the length of 6 leading portion of smoke pipe is the 1/2~2/3 of 6 total length of smoke pipe.

Advantageous effect includes possessed by the utility model：

(1) front smoke box is omitted according in boiler provided by the utility model, with return combustion chamber instead of the function of front smoke box, Both radiation heating-surface product had been increased, while has solved the problems, such as front smoke box door overheat, has reduced radiation loss, has improved boiler effect Rate；

(2) include two sections according to smoke pipe in boiler provided by the utility model, be respectively arranged with internal and external threads and needle wing, pole The earth improves heat exchange efficiency, additionally it is possible to condensed water be avoided to form continuous liquid film.

Description of the drawings

Fig. 1, which shows to be strile-backd according to a kind of integral center of preferred embodiment of the utility model, condenses hot-water boiler entirety Structure diagram；

Fig. 2 shows Section A-A structure diagrams in Fig. 1；

Fig. 3, which shows to be strile-backd according to a kind of integral center of preferred embodiment of the utility model, condenses cigarette in hot-water boiler Pipe structure diagram；

Fig. 4 shows section B-B structure diagram in Fig. 3；

Fig. 5, which shows to be strile-backd according to a kind of integral center of preferred embodiment of the utility model, condenses cigarette in hot-water boiler The rear section structure schematic diagram of needle wing is carried on pipe.

Drawing reference numeral explanation：

1- boiler jackets

2- burners

3- burners are taken over

4- return combustion chambers

5- flues

6- smoke pipes

61- internal and external threads

62- needle wings

7- smoke boxes

8- drip pipes

Specific embodiment

The utility model is further described below by drawings and examples.By these explanations, this practicality is new The characteristics of type and advantage will become more apparent from clearly.

Dedicated word " exemplary " means " being used as example, embodiment or illustrative " herein.Here as " exemplary " Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.Although each of embodiment is shown in the drawings In terms of kind, but unless otherwise indicated, it is not necessary to attached drawing drawn to scale.

It is strile-backd according to integral center provided by the utility model and condenses hot-water boiler, as shown in Figures 1 and 2, the pot Stove includes boiler jacket 1, and burner 2 and burner take over 3 are provided with outside boiler jacket 1, is set inside boiler jacket 1 There are return combustion chamber 4, flue 5 and smoke pipe 6；

Wherein, high-temperature flue gas, which is conveyed, flows through 4 center of burner take over 3 and return combustion chamber, is sent in flue 5, via stove Enter return combustion chamber 4 along 5 inner wall of flue after rear wall revolution in courage 5, entered in smoke pipe 6 after returning again to 180 degree；The return combustion chamber What is be open centered on 4 is hood-like, is opened at central opening of which with 3 sealed connection of burner take over, hood-like opening direction with flue 5 Mouth direction is opposite, and is tightly connected with flue 5.

The smoke pipe 6 includes leading portion and back segment, as shown in Figures 3 and 4.

The internal and external threads 61 of external compression formation are provided on the leading portion of the smoke pipe 6, are set in smoke pipe inner body wall Outer convex thread is put, with being provided with female at the corresponding position of outer convex thread on the smoke pipe body outer wall；In described The female on outer convex thread and outer wall on wall is formed via external compression, i.e., internal and external threads described herein refer to The combination of outer convex thread on inner wall and the female on outer wall；

Densely arranged needle wing 62 is provided in the back segment of the smoke pipe 6, so that the flue gas in smoke pipe is filled Divide heat exchange, improve the thermal efficiency of equipment entirety.

In one preferred embodiment, the generally housing shape of return combustion chamber 4, return combustion chamber 4 include and burner take over 3 Connected leading portion is connected, diameter gradually increased stage casing and the tubular back segment being connected with stage casing, back segment and flue with leading portion It is connected.

Wherein, the section in stage casing is similar to shoulder；

In one preferred embodiment, the needle wing 62 includes minute hand wing and hour hand wing, as shown in Figure 5, in circle In circumferential direction, minute hand wing and hour hand wing are arranged alternately, i.e., in a circumferential direction, the both sides of each minute hand wing are all hour hand wings, respectively A hour hand wing both sides are all minute hand wings, and the diameter dimension of minute hand wing and hour hand wing is basically identical, is all 2~3mm；Minute hand wing Length is slightly less than the radius size in smoke pipe, and the length of hour hand wing is about 2/3 or so of minute hand wing length.

In one preferred embodiment, the needle wing 62 is provided with multiple rows of along axis direction.

Preferably, along flow of flue gas direction, end is moved closer to, the density that the needle wing 62 is arranged gradually increases. The end refers to the region that the flue gas entered in the smoke pipe finally flows through.

In one preferred embodiment, the boiler rear portion is provided with smoke box 7.

Described 6 one end of smoke pipe is connected with return combustion chamber 4, and the other end is connected with smoke box 7.Smoke box 7 collects to be arranged in all smoke pipes The flue gas gone out is finally transferred to next system, such as energy-saving appliance or chimney together.

Preferably, 7 bottom of smoke box is provided with drip pipe 8, discharges in flue gas obtained after condensate moisture in time The condensed water arrived.

Preferably, the flue 5 is fixed on return combustion chamber 4, and the flue 5 does not contact boiler jacket 1, and the flue is suspends Flue.

Preferably, as shown in Figure 2, the smoke pipe 6 is provided with more, in the radial section of boiler, more 6 rings of smoke pipe It is wound on 5 outside of flue.

In one preferred embodiment, the length of 6 leading portion of smoke pipe is the 1/2~2/3 of 6 total length of smoke pipe, tool Body length ratio can be selected according to actual use situation.

Preferably, which further includes the pedestal positioned at 1 lower section of boiler jacket.

The fingers such as " on ", " under ", " interior ", " outer " " preceding " " rear " it should be noted that term in the description of the present invention, The orientation or position relationship shown is based on the orientation or position relationship under utility model works state, is for only for ease of description The utility model and simplified description rather than instruction imply that signified device or element must be with specific orientation, Yi Te Fixed azimuth configuration and operation, therefore it is not intended that limitation to the utility model.

The utility model is illustrated above in association with preferred embodiment, but these embodiments are only models Example property, only play the role of illustrative.On this basis, a variety of replacements and improvement can be carried out to the utility model, these It each falls in the scope of protection of the utility model.

Claims

The condensation hot-water boiler 1. a kind of integral center strile-backs, which is characterized in that the boiler includes boiler jacket (1), in boiler Burner (2) is provided with outside shell (1), is internally provided with flue (5) and smoke pipe (6) in boiler jacket (1), burner passes through Burner takes over (3) and is connected with return combustion chamber (4)；

High-temperature flue gas, which is conveyed, to be flowed through burner and takes over (3) and return combustion chamber (4) center, is sent in flue (5), via flue (5) enter return combustion chamber (4) along flue (5) inner wall after interior rear wall revolution, entered after returning again in smoke pipe (6)；

The smoke pipe (6) includes leading portion and back segment,

The internal and external threads (61) of external compression formation are provided on the leading portion of the smoke pipe (6),

Needle wing (62) is provided in the back segment of the smoke pipe (6).
The condensation hot-water boiler 2. integral center according to claim 1 strile-backs, which is characterized in that

The leading portion that return combustion chamber (4) is connected including taking over (3) with burner, be connected with leading portion, diameter gradually increased stage casing and The tubular back segment being connected with stage casing, back segment are connected with flue,

Wherein, the section in stage casing is similar to shoulder.
The condensation hot-water boiler 3. integral center according to claim 1 strile-backs, which is characterized in that

The needle wing (62) includes minute hand wing and hour hand wing,

In a circumferential direction, minute hand wing and hour hand wing are arranged alternately,

The needle wing (62) is provided with multiple rows of along axis direction.
The condensation hot-water boiler 4. integral center according to claim 2 strile-backs, which is characterized in that

Along flow of flue gas direction, end is moved closer to, the density of needle wing (62) arrangement gradually increases.
The condensation hot-water boiler 5. integral center according to claim 1 strile-backs, which is characterized in that

The boiler rear portion is provided with smoke box (7),

Described smoke pipe (6) one end is connected with return combustion chamber (4), and the other end is connected with smoke box (7).
The condensation hot-water boiler 6. integral center according to claim 5 strile-backs, which is characterized in that

The smoke box (7) bottom is provided with drip pipe (8).
The condensation hot-water boiler 7. integral center according to claim 1 strile-backs, which is characterized in that

The flue (5) is fixed on return combustion chamber (4), and the flue (5) does not contact boiler jacket (1).
The condensation hot-water boiler 8. integral center according to claim 1 strile-backs, which is characterized in that

The smoke pipe (6) is provided with more, and more smoke pipes (6) are looped around on the outside of flue (5).
The condensation hot-water boiler 9. integral center according to claim 1 strile-backs, which is characterized in that

The length of smoke pipe (6) leading portion is the 1/2~2/3 of smoke pipe (6) total length.