CN205480981U - Gas water heater and its shade burner - Google Patents

Abstract

A gas water heater and a thick-lean burner thereof, the thick-lean burner comprising a plurality of fire rows, each fire row comprising two inner plates, two outer plates and a central plate group, two thick flame flow channels are formed between the two outer plates and the two inner plates, each of the two thick flame flow channels is provided with a narrow and long protrusion and a triangular protrusion, which can be used as a guide structure for evenly mixing natural gas and air. The central plate group comprises two central side plates and at least one central inner plate, the lower ends of the two central side plates each extend outward to form an outer protrusion, the outer protrusion abuts against the adjacent inner plates, so that a spacing space is formed between the two sides of the central plate group and the two inner plates respectively. In this way, the combustion load can be reduced, the combustion vibration and the noise can be reduced, the flame height can be reduced, the flame is more stable, and a high combustion efficiency can be maintained.

Description

Gas water heater and its rich-thin burner

technical field

The utility model provides a gas water heater and its thick-lean burner, in particular to a gas water heater with better combustion efficiency and its thick-lean burner.

Background technique

The burner of the known gas water heater is provided with a plurality of fire rows, and each fire row includes a gas inlet and a plurality of main flame holes. On the top surface of the fire row, there is also a flow channel connecting these main flame holes and the gas inlet. In the known fire row (burner), the supply of gas is sent through the gas inlet, and mixed with air, and then a flame is generated through the main flame hole, and the gas is mixed with the air for the first time at the gas inlet, and the incompletely burned gas is then sent to the main flame hole. The flame hole is mixed with air for the second time. However, when the known fire row (burner) is used, the combustion load is relatively large, and combustion vibration is easily generated, the noise is relatively high, the flame height is relatively high, the flame is relatively unstable, and the combustion efficiency is not good.

To sum up, the applicant feels that the above shortcomings can be improved, so he devoted himself to research and combined with the application of theories, and finally proposed a utility model with reasonable design and effective improvement of the above shortcomings.

Utility model content

The technical problem to be solved by the utility model is to provide a gas water heater and its rich-lean burner, which can reduce the combustion load, reduce combustion vibration and noise, reduce the height of the flame, make the flame more stable, and maintain high combustion efficiency.

In order to solve the above technical problems, the utility model provides a gas water heater, comprising: a rich-lean burner, the rich-lean burner includes a plurality of fire rows, these fire rows are combined side by side, each fire row includes two inner panels, Two outer plates and a central plate group, the two inner plates are connected to each other, and an accommodating space, a rich combustion inlet, a weak combustion inlet and a weak flame flow channel are formed between the two inner plates, and the weak flame The flow channel communicates with the light combustion inlet; the two outer plates are connected to each other, the two outer plates are arranged on the outer sides of the two inner plates, and the two outer plates are connected with the two inner plates, the two Two thick flame channels are formed between the outer plate and the two inner plates, and the two rich flame channels communicate with the rich combustion inlet, and the two inner plates are respectively provided with A plurality of through holes, so that the rich combustion inlet communicates with the rich flame flow channel through these through holes, and a secondary flame hole is formed at the upper ends of the two thick flame flow channels, and the rich flame flow channel communicates with the rich combustion inlet and the Between the two auxiliary flame holes, a narrow and long protrusion and a triangular protrusion are respectively provided in the two dense flame channels; the central plate group is arranged in the accommodation space, and the central plate group includes two central side plates and At least one central inner plate, the at least one central inner plate is arranged between the two central side plates, the two central side plates and the two sides of the at least one central inner plate and the two sides are spaced apart from each other A plurality of connecting parts, the two central side plates and the at least one central inner plate are formed with a plurality of main flame holes penetrating upwards and downwards, and the thin flame channel is connected to the thin combustion inlet and the main flame Between the holes, the lower ends of the two central side plates each extend outward to form a protruding portion, and the protruding portion abuts against the adjacent inner plate of the two inner plates, so that the two sides of the central plate group and An interval space, a water tank, and an air outlet unit are respectively formed between the two inner boards, and the rich-lean burner is arranged between the water tank and the air outlet unit.

Further, the rich combustion inlet and the lean combustion inlet are arranged on one side of the fire row, the lean combustion inlet is located below the rich combustion inlet, and the diameter of the lean combustion inlet is larger than that of the rich combustion inlet. The caliber of the entrance.

Further, the long and narrow protrusions and the triangular protrusions are arranged on the two outer plates, and the long and narrow protrusions and the triangular protrusions protrude from the two outer plates and the two inner sides On the adjacent side of the plate, the narrow and long protrusions and the triangular protrusions are located in the thick flame flow channel.

Further, the long and narrow protrusions are long strips extending horizontally, the triangular protrusions are in the shape of an inverted triangle, and the triangular protrusions are arranged on one side of the long and narrow protrusions at intervals, and the triangular protrusions are lower than on the long and narrow protrusions.

Further, the protruding portion is bent in an L shape, and the protruding portion abuts against a side of an adjacent side plate of the two inner plates that is close to the central side plate.

In order to solve the above-mentioned technical problems, the utility model also provides a thick-lean burner for a gas water heater, which includes a plurality of fire rows, and these fire rows are combined side by side, and each fire row includes: two inner plates, the two inner plates connected, an accommodating space, a rich combustion inlet, a lean combustion inlet and a weak flame flow channel are formed between the two inner plates, and the weak flame flow channel communicates with the weak combustion inlet; the two outer plates, the The two outer plates are connected to each other, the two outer plates are arranged on the outer sides of the two inner plates, and the two outer plates are connected to the two inner plates, and the two outer plates and the two inner plates form a There are two thick flame flow passages, the two thick flame flow passages communicate with the rich combustion inlet, and the two inner plates are respectively provided with a plurality of through holes corresponding to the rich combustion inlet, so that the rich combustion inlet passes through these The through hole communicates with the thick flame flow channel, and a secondary flame hole is formed at the upper end of the two thick flame flow channels, and the thick flame flow channel is connected between the rich combustion inlet and the two secondary flame holes. A narrow and long protrusion and a triangular protrusion are respectively provided in the thick flame flow channel; and a central plate group, the central plate group is arranged in the accommodating space, the central plate group includes two central side plates and at least one central inner plate, The at least one central inner panel is arranged between the two central side panels, and the two central side panels and the two sides of the at least one central inner panel and between the two sides are provided with a plurality of connecting parts connected to each other at intervals, The two central side plates and the at least one central inner plate are formed with a plurality of main flame holes penetrating up and down. Each of the lower ends of the central side plates extends outwards to form a protruding portion, and the protruding portion abuts against the adjacent inner plates of the two inner plates, so that the two sides of the central plate group and the two inner plates An interval space is formed respectively.

Further, the rich combustion inlet and the lean combustion inlet are arranged on one side of the fire row, the lean combustion inlet is located below the rich combustion inlet, and the diameter of the lean combustion inlet is larger than that of the rich combustion inlet. The caliber of the entrance.

Further, the long and narrow protrusions and the triangular protrusions are arranged on the two outer plates, and the long and narrow protrusions and the triangular protrusions protrude from the two outer plates and the two inner sides On the adjacent side of the plate, the narrow and long protrusions and the triangular protrusions are located in the thick flame flow channel.

Further, the long and narrow protrusions are long strips extending horizontally, the triangular protrusions are in the shape of an inverted triangle, and the triangular protrusions are arranged on one side of the long and narrow protrusions at intervals, and the triangular protrusions are lower than on the long and narrow protrusions.

Further, the convex portion is bent in an L shape, and the convex portion abuts against a side of an adjacent inner panel of the two inner panels that is close to the central side panel.

The utility model has the following advantages at least:

The utility model is provided with narrow and long protrusions and triangular protrusions in the thick flame flow channel, which can be used as a diversion structure for uniform mixing of natural gas and air, and the lower ends of the two central side plates of the central plate group extend outward to form an outer protrusion The protruding part is against the adjacent inner plate of the two inner plates, so that a space is formed between the two sides of the center plate group and the two inner plates, so that the main flame hole and the auxiliary flame hole can be properly interval. Therefore, the utility model can make natural gas and air flow smoothly, reduce combustion load, reduce combustion vibration and noise, reduce flame height, stabilize flame, and maintain high combustion efficiency.

In order to further understand the features and technical contents of the present utility model, please refer to the following detailed description and accompanying drawings of the present utility model. However, the attached drawings are only for reference and illustration, and are not intended to limit the present utility model.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the rich-lean burner of the present invention.

Fig. 2 is a three-dimensional combined view of the rich-lean burner of the present invention.

Fig. 3 is a front view of the rich-lean burner of the present invention.

Fig. 4 is a side view of the rich-lean burner of the present invention.

Fig. 5 is a top view of the rich-lean burner of the present invention.

Fig. 6 is a sectional view (1) of the rich-lean burner of the present invention.

Fig. 7 is a sectional view (2) of the rich-lean burner of the present invention.

Fig. 8 is a three-dimensional assembled view of the center plate group of the present invention.

Fig. 9 is a three-dimensional exploded view of the central plate group of the present invention.

Fig. 10 is a perspective view of the utility model gas water heater.

detailed description

[first embodiment]

Referring to Fig. 1 to Fig. 7, the utility model provides a thick-lean burner, including a plurality of fire rows 100 (as shown in Fig. 10 ), these fire rows 100 are combined side by side, and these fire rows 100 are preferably made of metal In this way, each fire row 100 includes two inner panels 1 , two outer panels 2 and a central panel group 3 .

The two inner panels 1 are arranged opposite to each other, and the two inner panels 1 are connected to each other, that is, the two sides and the bottom of the two inner panels 1 can be connected, so that the two inner panels 1 are connected as one. An accommodating space 11 is formed between the two inner panels 1 and can be used for accommodating the central panel assembly 3 . A rich combustion inlet 12 and a lean combustion inlet 13 are formed between the two inner panels 1. The rich combustion inlet 12 and the lean combustion inlet 13 are preferably located on one side of the fire row 100. In this embodiment, the rich combustion inlet 12 and the light combustion inlet 13 are arranged on one side of the fire row 100, and the light combustion inlet 13 can be positioned under the rich combustion inlet 12, and the diameter of the light combustion inlet 13 is greater than that of the rich combustion inlet 12. A thin flame flow channel 15 is formed in addition between the two inner plates 1, and the thin flame flow channel 15 communicates with the light combustion inlet 13. Specifically, the thin flame channel 15 can be in a U-shaped bend, and one end of the thin flame channel 15 can communicate with the thin combustion inlet 13 .

The two outer plates 2 are arranged opposite to each other, and the two outer plates 2 are connected to each other, that is, the two sides of the two outer plates 2 can be connected, so that the two outer plates 2 are connected to each other. Two outer plates 2 are arranged on the outer sides (upper half) of two inner plates 1, and the two sides and the bottom of the two outer plates 2 can also be respectively connected with the two sides and the middle of the two inner plates 1, so that the outer The other three side edges of the plate 2 which are not adjacent to the secondary flame holes 22 are properly sealed. Two thick flame runners 21 are formed between the two outer plates 2 and the two inner plates 1, that is, a thick flame runner 21 is formed between each adjacent outer plate 2 and the inner plate 1, so that the two outer plates Two thick flame flow channels 21 are formed between the plate 2 and the two inner plates 1 , and the two rich flame flow channels 21 communicate with the rich combustion inlet 12 . In this embodiment, the two inner plates 1 are respectively provided with a plurality of through holes 14 corresponding to the rich combustion inlet 12 , so that the rich combustion inlet 12 can communicate with the rich flame flow channel 21 through these through holes 14 . A secondary flame hole 22 is formed at the upper ends of the two rich flame channels 21 , so that the rich flame channel 21 communicates between the rich combustion inlet 12 and the two secondary flame holes 22 . Therefore, gas can be sent into the rich combustion inlet 12 of the fire row 100, and the gas that enters from the rich combustion inlet 12 can flow upwards into the thick flame flow channel 21 through these through holes 14, and then ignites the gas in the secondary flame hole 22 to generate a flame.

The two outer plates 2 are respectively provided with a narrow and long protrusion 23 and a triangular protrusion 24, and the narrow and long protrusion 23 and the triangular protrusion 24 protrude from the side of the two outer plates 2 adjacent to the two inner plates 1, so that the narrow and long protrusions 23 and triangular protrusion 24 are located in the dense flame flow channel 21. The long and narrow protrusions 23 are strips extending horizontally, and the triangular protrusions 24 are in the shape of an inverted triangle. The long and narrow protrusions 23 and the triangular protrusions 24 can be used as guide blocks for the uniform mixing of natural gas and air.

The central plate set 3 is arranged in the accommodation space 11 between the two inner plates 1, the upper end of the central plate set 3 can be flush with the upper ends of the two inner plates 1 and the two outer plates 2, of course the center plate set 3 The upper end can also be slightly higher or lower than the upper ends of the two inner panels 1 and the two outer panels 2, without limitation. The central panel group 3 comprises two central side panels 31 and at least one central inner panel 32 (as shown in Figures 8 and 9), the central inner panel 32 can be set to one, two or more, and the central inner panel 32 is provided with Between the two center side plates 31, and between the two sides of the two center side plates 31 and the center inner plate 32 and between both sides, a plurality of connecting parts 33 are arranged at intervals, and these connecting parts 33 can be connected to each other by means of welding or the like. connection, so that the two center side plates 31 and the center inner plate 32 are connected as one, and a plurality of main flame holes 34 that penetrate up and down are formed between the two center side plates 31 and the center inner plate 32, and the light flame flow The other end of the channel 15 can be communicated with the main flame hole 34, so that the weak flame flow channel 15 is communicated between the light combustion inlet 13 and these main flame holes 34. Therefore, gas can be sent into the light combustion inlet 13 of the fire row 100, and the gas entering by the light combustion inlet 13 can flow into the light flame flow channel 15, then flow upward into these main flame holes 34, and ignite the gas in the main flame holes 34 to generate flame.

The lower ends of the two central side plates 31 each extend outward to form a protruding portion 35, that is, the lower ends of the central side plate 31 extend toward the adjacent inner plate 1 to form a protruding portion 35, and the protruding portion 35 abuts against the adjacent inner plate 1. The adjacent inner panel 1, in this embodiment, the convex part 35 is bent into an L-shape, which abuts against the side of the adjacent inner panel 1 close to the central side panel 31, so that the two sides of the central panel group 3 are connected to the two sides. Form an interval space 36 respectively between two inner boards 1, thus make effective interval between the weak flame runner 15, the main flame hole 34 and the dense flame runner 21, the auxiliary flame hole 22, i.e. the weak flame gas and the dense flame There can be good separation between flame gases.

[Second embodiment]

Please refer to Fig. 10, the utility model also provides a gas water heater, which includes a thick-lean burner, a water tank 200 and an air outlet unit 300 composed of the above-mentioned multiple fire rows 100 arranged side by side. Below the water tank 200, the air outlet unit 300 corresponds to the rich-lean burner. The air outlet unit 300 can be located under the rich-lean burner, so that the rich-lean burner is arranged between the water tank 200 and the air outlet unit 300, and the rich-lean burner of these fire rows 100 The inlet 12 and the lean combustion inlet 13 are connected to a suitable gas source. The positions of the rich-lean burner, the water tank 200 and the air outlet unit 300 are not limited and can also be changed. Gas can be sent into the light combustion inlet 13 and the rich combustion inlet 12 of the fire row 100, and the gas that enters by the light combustion inlet 13 and the rich combustion inlet 12 flows in the weak flame flow channel 15 and the thick flame flow channel 21 in the fire row 100, Then the gas is ignited in the main flame hole 34 and the secondary flame hole 22 to generate a flame.

The utility model is provided with narrow and long protrusions and triangular protrusions in the thick flame flow channel, which can be used as a diversion structure for uniform mixing of natural gas and air, and the lower ends of the two central side plates of the central plate group extend outward to form an outer protrusion The protruding part abuts against the adjacent inner plate, so that a space is formed between the two sides of the central plate group and the two inner plates, so that the main flame hole and the auxiliary flame hole can be properly spaced. Therefore, the utility model can make natural gas and air flow smoothly, reduce combustion load, reduce combustion vibration and noise, reduce flame height, stabilize flame, and maintain high combustion efficiency.

The above are only preferred embodiments of the present utility model, and are not intended to limit the scope of patent protection of the present utility model, so all equivalent changes made by using the description and drawings of the utility model are included in the scope of the utility model Within the scope of rights protection, hereby declare.

【Symbol Description】

100 fire steak

1 inner panel

11 storage space

12 Rich burn inlet

13 Light Burn Inlet

14 through holes

15 low flame runner

2 Outer panels

21 thick flame runner

22 Secondary flame holes

23 long and narrow protrusions

24 triangular raised

3 center plate group

31 center side panel

32 center inner panel

33 connection part

34 main flame hole

35 convex part

36 interval space

200 water tank

300 air outlet unit.

Claims (10)

1. a gas heater, it is characterised in that including:

One shade burner, described shade burner includes multiple fire row, these fire row Side by side groupings, and each fire row comprises two Individual interior plate, two outer panels and a central plate group, said two interior plate is connected with each other, and is formed between said two interior plate Have an accommodation space, a dense combustion inlet, a light combustion inlet and a light flame runner, described light flame runner with described light burn into Mouth is connected；Said two outer panel is connected with each other, and said two outer panel is arranged at the outside of said two interior plate, and institute State two outer panels to be connected with said two interior plate, between said two outer panel and said two interior plate, be formed with two Rich flame runner, described rich flame runner is connected with described dense combustion inlet, and said two interior plate is corresponding to described dense burning Porch is respectively provided with multiple through hole, makes described dense combustion inlet be connected with described rich flame runner by these through holes, described dense The upper end of flame runner is respectively formed with a secondary flame hole, and described rich flame flow passage is in the described secondary flame hole of described dense combustion inlet and two Between, described rich flame runner is respectively provided with a long and narrow projection and a triangle is protruding；Described central plate group is arranged on described accommodating sky In, described central plate group comprises Liang Ge center side plate and at least one center inner panel, and described at least one center inner panel is arranged at institute Between the side plate of Shu Liangge center, it is spaced between both sides and this both sides of said two center side plate and described at least one center inner panel Be provided be formed between interconnective multiple connecting portion, said two center side plate and described at least one center inner panel multiple Go to upper and lower the main flame-hole run through, described light flame flow passage between described light combustion inlet and these main flame-holes, said two The lower end of center side plate respectively stretches out and is formed with a male part, and it is adjacent that described male part is resisted against in said two interior plate Interior plate, makes to form a clearance space respectively between both sides and the said two interior plate of described central plate group；

One water tank；And

One wind unit, described shade burner is located between described water tank and described wind unit.

Gas heater the most according to claim 1, it is characterised in that described dense combustion inlet and described light combustion inlet Being located at the side of described fire row, described light combustion inlet is positioned at the lower section of described dense combustion inlet, the mouth of described light combustion inlet Footpath is more than the bore of described dense combustion inlet.

Gas heater the most according to claim 1, it is characterised in that described long and narrow protruding and described triangle projection is located at On said two outer panel, described long and narrow protruding and described triangle projection protrudes from inside said two outer panel and said two The one side that plate is adjacent, makes described long and narrow protruding and described triangle projection be positioned in described rich flame runner.

Gas heater the most according to claim 1, it is characterised in that the strip that described long and narrow projection extends horizontally Shape, described triangle is protruding in a del, is located at the side of described long and narrow projection, described triangle described triangle bulge clearance Protruding less than described long and narrow projection.

Gas heater the most according to claim 1, it is characterised in that the bending of described male part is L-shaped, described male part The side of the close described center side plate of the adjacent inboard plate being resisted against in said two interior plate.

6. the shade burner of a gas heater, it is characterised in that include multiple fire row, these fire row Side by side groupings, Each fire row comprises:

Two interior plates, said two interior plate is connected with each other, and forms an accommodation space, a dense combustion between said two interior plate Burned mouth, a light combustion inlet and a light flame runner, described light flame runner is connected with described light combustion inlet；

Two outer panels, said two outer panel is connected with each other, and said two outer panel is arranged at outside said two interior plate Side, and said two outer panel is connected with said two interior plate, shape between said two outer panel and said two interior plate Becoming to have two rich flame runners, said two rich flame runner to be connected with described dense combustion inlet, said two interior plate is in correspondence At described dense combustion inlet, it is respectively provided with multiple through hole, makes described dense combustion inlet by these through holes and described rich flame runner phase Connection, the upper end of said two rich flame runner is respectively formed with a secondary flame hole, and described rich flame flow passage is in described dense combustion inlet And between two described secondary flame holes, said two rich flame runner is respectively provided with a long and narrow projection and a triangle is protruding；And

One central plate group, described central plate group arranges in described accommodation space, described central plate group comprise Liang Ge center side plate and At least one center inner panel, described at least one center inner panel is arranged between the side plate of said two center, said two center side plate And compartment of terrain is provided with interconnective multiple connecting portion, said two between both sides and this both sides of described at least one center inner panel Being formed with multiple main flame-hole going to upper and lower and running through between center side plate and described at least one center inner panel, described light flame runner is even Leading between described light combustion inlet and these main flame-holes, the lower end of said two center side plate respectively stretches out and is formed outside one Protuberance, described male part is resisted against the adjacent inboard plate in said two interior plate, makes the both sides of described central plate group with described A clearance space is formed respectively between two interior plates.

The shade burner of gas heater the most according to claim 6, it is characterised in that described dense combustion inlet and institute Stating light combustion inlet and be located at the side of described fire row, described light combustion inlet is positioned at the lower section of described dense combustion inlet, described light The bore of combustion inlet is more than the bore of described dense combustion inlet.

The shade burner of gas heater the most according to claim 6, it is characterised in that described long and narrow projection and described Triangle projection is located on said two outer panel, described long and narrow protruding and described triangle projection protrude from said two outer panel with The one side that said two interior plate is adjacent, makes described long and narrow protruding and described triangle projection be positioned in described rich flame runner.

The shade burner of gas heater the most according to claim 6, it is characterised in that described long and narrow projection is level The strip extended, described triangle is protruding in a del, is located at the one of described long and narrow projection described triangle bulge clearance Side, described triangle projection is less than described long and narrow projection.

The shade burner of gas heater the most according to claim 6, it is characterised in that described male part bends in L Type, the side of the close described center side plate of the adjacent inboard plate that described male part is resisted against in said two interior plate.