CN212253174U

CN212253174U - Air-cooled combustion cavity structure

Info

Publication number: CN212253174U
Application number: CN202020208133.9U
Authority: CN
Inventors: 吴桂安; 李志敏; 朱莲宗; 陈俊; 邓飞忠; 仇明贵; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-12-29
Anticipated expiration: 2030-02-25

Abstract

The utility model discloses an air-cooled combustion cavity structure, which comprises a combustion cavity body, wherein a heat insulation cavity body is arranged in the combustion cavity body, a closed first air interlayer is arranged between the outer side of the heat insulation cavity and the inner side of the combustion cavity body, a plurality of first air inlets are respectively arranged on the side surfaces of the periphery of the combustion chamber body close to the front end, a plurality of air outlets are respectively arranged on the peripheral side surface of the heat insulation cavity body close to the rear end, the first air inlet, the first air interlayer and the air outlets are communicated to form a first air cooling channel through which air flows from the first air inlet through the first air interlayer and then flows out of the air outlets, an air-cooled runner component is sleeved outside the combustion cavity body, a closed second air interlayer is arranged between the inner side of the air-cooled runner component and the outer side of the combustion cavity body, and a plurality of second air inlets are respectively formed in the side surfaces, close to the rear end, of the air cooling runner assembly.

Description

Air-cooled combustion cavity structure

Technical Field

The utility model particularly relates to an air-cooled combustion chamber structure.

Background

According to market information, the existing household hot water supply gas instantaneous water heater or the copper heat exchanger in the dual-purpose furnace is easy to corrode and penetrate in certain regions with poor water quality in China, so that the water leakage problem occurs, the position of water leakage mainly occurs on a coil pipe part on a box body of the heat exchanger, the air-cooled combustion cavity is one of effective methods for solving the water leakage problem of the copper heat exchanger at present, but the existing air-cooled combustion cavity cannot effectively reduce the surface temperature of the cavity.

Accordingly, there is a need for further improvements in existing air-cooled combustion chamber configurations.

SUMMERY OF THE UTILITY MODEL

To the defect that above-mentioned prior art exists, the to-be-solved technical problem of the utility model is: the cooling effect of the air-cooled combustion cavity structure is improved.

An air-cooled combustion cavity structure comprises a combustion cavity body, wherein a heat insulation cavity body is arranged in the combustion cavity body, a closed first air interlayer is arranged between the outer side of the heat insulation cavity body and the inner side of the combustion cavity body, a plurality of first air inlets are respectively arranged on the peripheral side surface of the combustion cavity body close to the front end, a plurality of air outlets are respectively arranged on the peripheral side surface of the heat insulation cavity body close to the rear end, the first air inlets, the first air interlayer and the air outlets are communicated to form a first air-cooled flow channel through which air flows from the first air inlets through the first air interlayer and then flows out from the air outlets, an air-cooled flow channel assembly is sleeved outside the combustion cavity body, a closed second air interlayer is arranged between the inner side of the air-cooled flow channel assembly and the outer side of the combustion cavity body, a plurality of second air inlets are respectively arranged on the side surface of the air-cooled flow channel assembly close to the rear end, and the second air inlet, the second air interlayer and the first air inlet are communicated to form a second air cooling flow passage through which air flows from the second air inlet to the first air inlet after flowing through the second air interlayer.

The first embodiment: the air-cooled runner assembly comprises an upper cover plate and a lower cover plate, the upper cover plate and the lower cover plate are respectively formed between the upper side surface and the lower side surface which correspond to the combustion chamber body, a plurality of air interlayers are arranged on the side surfaces, close to the rear end, of the upper cover plate and the lower cover plate, and the second air inlets are formed in the side surfaces, close to the rear end, of the upper cover plate and the lower cover plate.

Second embodiment: the air-cooled runner assembly is an outer cavity formed by an upper panel, a lower panel, a left panel and a right panel, a second air interlayer is formed between the inner side of the outer cavity and the outer side of the combustion cavity body, and a plurality of second air inlets are respectively formed in the peripheral side face, close to the rear end, of the outer cavity.

Furthermore, the combustion chamber body is respectively assembled with the heat insulation cavity and the air cooling runner assembly in a modularized mode.

Compared with the prior art, the utility model discloses an at least including following beneficial effect:

the utility model discloses, after cold air flowed into second forced air cooling runner and first forced air cooling runner in proper order, took away the heat of burning chamber body fast to rapid cooling's effect has been played.

Drawings

FIG. 1 is a schematic structural view of an air-cooled combustion chamber according to the present invention;

fig. 2 is an exploded view of a first embodiment of an air-cooled combustion chamber structure according to the present invention;

fig. 3 is an exploded view of a second embodiment of an air-cooled combustion chamber structure according to the present invention;

FIG. 4 is an exploded view of a combustion chamber body in an air-cooled combustion chamber of the present invention;

FIG. 5 is an exploded view of a heat insulation chamber in an air-cooled combustion chamber according to the present invention;

FIG. 6 is a schematic view of the working principle of the 2-stage air-cooling channel of the air-cooled combustion chamber of the present invention;

fig. 7 is a schematic view of the working principle of the 1-stage air-cooling channel of the air-cooled combustion chamber of the present invention.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the scope of the claimed technical solution of the present invention.

As shown in fig. 1-7, an air-cooled combustion chamber structure comprises a combustion chamber body 1, wherein the combustion chamber body 1 is composed of an upper surface, a lower surface, a left surface and a right surface, a heat insulation chamber 2 is arranged in the combustion chamber body 1, the heat insulation chamber 2 is composed of an upper surface, a lower surface, a left surface and a right surface, a first air isolation layer 3 is arranged between the outer side of the heat insulation chamber 2 and the inner side of the combustion chamber body 1, the front end and the rear end of the heat insulation chamber 2 are respectively connected with the front end and the rear end corresponding to the combustion chamber body 1, so that a first air isolation layer 3 is formed between the outer side of the heat insulation chamber 2 and the inner side of the combustion chamber body 1, a plurality of first air inlets 10 are respectively arranged on the peripheral side surface of the combustion chamber body 1 close to the front end, a plurality of air outlets 20 are respectively arranged on the peripheral side surface of the heat insulation chamber body 2 close to the, be linked together between first air intake 10, first air interlayer 3 and the air exit 20 in order to form the air and flow through first air interlayer 3 by first air intake 10 and follow the first air-cooled runner that the air exit 20 flows out behind the combustion chamber body 1 overcoat is equipped with forced air cooling runner assembly 4, be equipped with inclosed second air interlayer 5 between the inboard of forced air cooling runner assembly 4 and the outside of combustion chamber body 1 be equipped with a plurality of second air intake 40 on the side that forced air cooling runner assembly 4 is close to the rear end respectively, be linked together between second air intake 40, second air interlayer 5 and the first air intake 10 in order to form the air and flow through the second air interlayer 5 by second air intake 40 and follow the second air-cooled runner that first air intake 10 flows out.

The utility model discloses well wind cold runner subassembly 4's first embodiment: including upper cover plate 41 and lower apron 42, upper cover plate 41, lower apron 42 respectively with burn on the chamber body 1 on the corresponding upper and lower downside form between second air interlayer 5, upper cover plate 41 and lower apron 42 all are equipped with a plurality of on being close to the side of rear end second air intake 40, according to the design of water heater combustion system, upper and lower surface is nearer from flame burning distance, lead to the temperature to be higher than the temperature of left and right two sides, consequently through upper cover plate 41, form second air-cooled runner between lower apron 42 and the burning chamber body 1 to realize the runner structure of 2 grades of air-cooled cooling, improve cooling efficiency, and this design is left and right still adopts the runner structure of 1 level air-cooled cooling, saves the subassembly, improves installation effectiveness and manufacturing cost.

The utility model discloses in the second embodiment of forced air cooling runner assembly 4: the outer cavity 43 that air-cooled runner subassembly 4 comprises upper and lower, left and right panel, form between the inboard of outer cavity 43 and the outside of burning chamber body 1 second air interlayer 5 outer cavity 43 is close to and is equipped with a plurality of on the side all around of rear end respectively the second air intake 40, the second air-cooled runner that forms between outer cavity 43 and the burning chamber body 1 makes the runner structure that upper and lower, left and right four sides all adopted 2 grades of air-cooled cooling, can improve cooling efficiency greatly.

The utility model discloses well first air intake 10, second air intake 40 and air exit 20 all can arrange into different shapes as required by the design, if: the air outlet areas of the first air inlet 10, the second air inlet 40 and the air outlet 20 can be adjusted according to the actual size of the cavity.

Combustion chamber body 1 respectively with thermal-insulated cavity 2, adopt the modularization equipment between the forced air cooling runner subassembly 4, combustion chamber body 1 respectively with thermal-insulated cavity 2, between the forced air cooling runner subassembly 4 accessible fix with screw or rivet connection etc. mode combination form to effectively improve dismouting efficiency.

When the 1-level cold air channel works, cold air enters from the first air inlet 10 and flows through the first air interlayer 3 and then is discharged from the air outlet 20, so that heat of the combustion cavity body 1 is taken out, and the cooling effect is achieved.

When the 2-level cold air flow channel works, cold air enters the second air interlayer 5 from the second air inlet 40 and then enters the first air interlayer from the first air inlet 10, and is discharged from the air outlet 20, and the cold air rapidly takes away heat of the combustion cavity body 1 after passing through the corresponding air cooling flow channel, so that the effect of rapid cooling is achieved.

The above-mentioned detailed description of the technical solution and the beneficial effects of the present invention have been described in detail, it should be understood that the above is only the most preferred embodiment of the present invention, not used for limiting the present invention, any modification, supplement, equivalent replacement, etc. made within the principle scope of the present invention should be included within the protection scope of the present invention.

Claims

1. An air-cooled combustion cavity structure comprises a combustion cavity body (1) and is characterized in that a heat insulation cavity body (2) is arranged in the combustion cavity body (1), a closed first air interlayer (3) is arranged between the outer side of the heat insulation cavity body (2) and the inner side of the combustion cavity body (1), a plurality of first air inlets (10) are respectively arranged on the peripheral side surfaces, close to the front end, of the combustion cavity body (1), a plurality of air outlets (20) are respectively arranged on the peripheral side surfaces, close to the rear end, of the heat insulation cavity body (2), the first air inlets (10), the first air interlayer (3) and the air outlets (20) are communicated with one another to form a first air-cooled flow channel, air flows through the first air interlayer (3) from the air outlets (20) through the first air inlets (10), and then flows out of the air-cooled flow channel assembly (4) is sleeved outside the combustion cavity body (1), be equipped with inclosed second air interlayer (5) between the inboard of forced air cooling runner assembly (4) and the outside of burning chamber body (1) forced air cooling runner assembly (4) are equipped with a plurality of second air intake (40) on being close to the side of rear end respectively, be linked together between second air intake (40), second air interlayer (5) and first air intake (10) so as to form the second air-cooled runner that the air flowed out from first air intake (10) behind second air interlayer (5) is flowed through by second air intake (40).

2. The air-cooled combustion chamber structure according to claim 1, wherein the air-cooled flow channel assembly (4) comprises an upper cover plate (41) and a lower cover plate (42), the second air partition (5) is formed between the upper cover plate (41) and the lower cover plate (42) and the corresponding upper and lower side surfaces of the combustion chamber body (1), and the side surfaces of the upper cover plate (41) and the lower cover plate (42) close to the rear end are respectively provided with a plurality of second air inlets (40).

3. The air-cooled combustion chamber structure according to claim 1, wherein the air-cooled flow channel assembly (4) is an outer chamber (43) composed of an upper panel, a lower panel, a left panel and a right panel, the second air interlayer (5) is formed between the inner side of the outer chamber (43) and the outer side of the combustion chamber body (1), and the peripheral sides of the outer chamber (43) near the rear end are respectively provided with a plurality of second air inlets (40).

4. The air-cooled combustion chamber structure according to any one of claims 1 to 3, wherein the combustion chamber body (1) is modularly assembled with the heat insulation chamber (2) and the air-cooled runner assembly (4).