CN207881193U - Chamber structure and gas heater - Google Patents

Abstract

The utility model discloses a kind of chamber structure and the gas heater using the chamber structure.Chamber structure, including：Shell, shell is interior to be equipped with combustion chamber and opening and air inlet hole with the combustion chamber；Burner, burner are placed in combustion chamber, and burner is equipped with burning crater；And exhaust bracket, exhaust bracket is connected between burner and Inner Wall of Combustion Chamber, combustion chamber is divided into the diversion cavity being connected to the combustion chamber of open communication and with air inlet hole by exhaust bracket, burning crater is located in combustion chamber, the heat-insulated gap being connected to diversion cavity is also formed between exhaust bracket and the inner wall of combustion chamber, exhaust bracket, which is spaced apart, is equipped with multiple deflector holes and multiple insulation holes, deflector hole is connected to combustion chamber and diversion cavity, and deflector hole is adjacent to burning crater setting, insulation hole is connected to heat-insulated gap, and insulation hole is located at the periphery of opening.The Wen Sheng of combustion chamber when the utility model chamber structure can more efficiently reduce work.

Description

Combustion chamber structure and gas water heater

Technical Field

The utility model relates to a water heater technical field, in particular to combustion chamber structure and gas heater of using this combustion chamber structure.

Background

The conventional combustion chamber structure generates very high temperature due to combustion of the burner in the combustion chamber when in operation, thereby causing a problem of excessively high temperature of the combustion chamber.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a combustion chamber structure can reduce the temperature rise of combustion chamber during operation more effectively.

In order to achieve the above object, the utility model provides a combustion chamber structure, include:

the combustion chamber, and an opening and an air inlet hole which are communicated with the combustion chamber are arranged in the shell;

the combustor is accommodated in the combustion chamber and provided with a combustion fire hole; and

exhaust support, exhaust support connect in the combustor with between the combustion chamber inner wall, exhaust support will the combustion chamber separate for with the burning chamber of opening intercommunication and with the water conservancy diversion chamber of fresh air inlet intercommunication, the burning burner is located the burning intracavity, exhaust support with still be formed with between the inner wall of combustion chamber with the thermal-insulated clearance of water conservancy diversion chamber intercommunication, exhaust support spaced apart to be equipped with a plurality of water conservancy diversion holes and a plurality of heat insulation hole, water conservancy diversion hole intercommunication the burning chamber with the water conservancy diversion chamber, just the water conservancy diversion hole is adjacent to the setting of burning burner, heat insulation hole with thermal-insulated clearance intercommunication, just the heat insulation hole is located the open-ended periphery.

Optionally, a through-hole has been seted up to the exhaust support, the combustor accept in the through-hole, the exhaust support is by its outer edge bending type in proper order to the pore wall edge of through-hole and becomes installation department, thermal-insulated portion and water conservancy diversion portion, the installation department connect in the open-ended periphery, thermal-insulated portion with form between the inner wall of combustion chamber thermal-insulated clearance, water conservancy diversion portion with the external connection of combustor, water conservancy diversion portion has seted up the water conservancy diversion hole, the installation department and/or thermal-insulated portion is formed with the heat insulation hole.

Optionally, the connection between the mounting portion and the heat insulation portion is provided with the heat insulation hole.

Optionally, a surface of the heat insulation portion located in the heat insulation gap is convexly provided with a mounting protrusion, and the mounting protrusion abuts against an inner wall of the combustion chamber.

Optionally, a plurality of protruding blocks are convexly arranged on two opposite sides of the burner in an extending mode, the end portion, away from the heat insulation portion, of the flow guide portion extends to form a clamping portion, a plurality of clamping grooves are formed in the clamping portion, and the protruding blocks are inserted into the clamping grooves.

Optionally, the exhaust support comprises a first support and a second support which are arranged oppositely, and a third support and a fourth support which are arranged oppositely, the first support, the third support, the second support and the fourth support sequentially surround the periphery of the burner, and the first support and the second support are both provided with the clamping grooves.

Optionally, the first bracket and the third bracket are of an integrally formed structure, and the second bracket and the fourth bracket are of an integrally formed structure; or,

the first support, the second support, the third support and the fourth support are of an integrally formed structure.

Optionally, the combustion chamber structure further comprises a fixing bracket, the fixing bracket is connected between the inner wall of the combustion chamber and the outside of the burner, and the fixing bracket is located between the exhaust bracket and the air inlet hole.

Optionally, the fixed bolster has been seted up the wind-guiding via hole, the both ends of wind-guiding via hole communicate respectively the fresh air inlet with the water conservancy diversion hole.

Optionally, the combustor is provided with a first fuel gas inlet and a second fuel gas inlet, the shell is further provided with a first installation via hole and a second installation via hole communicated with the combustion chamber, the first fuel gas inlet is communicated with the first installation via hole, and the second fuel gas inlet is communicated with the second installation via hole.

The utility model also provides a gas water heater, including fan and foretell combustion chamber structure, the fan is close to the opening sets up, just the fan is taken out the air, so that the air is followed the fresh air inlet gets into behind the water conservancy diversion chamber, divide into two tunnel, loop through water conservancy diversion hole all the way, after burning the chamber, by the opening is discharged, another way behind thermal-insulated clearance, by thermal-insulated hole is discharged.

The utility model discloses technical scheme's combustion chamber structure is when using, and the air falls into two the tunnel behind the water conservancy diversion chamber that gets into the combustion chamber from the fresh air inlet, loops through water conservancy diversion hole all the way, is discharged by the opening after the combustion chamber, and another way is discharged by the heat insulating hole after thermal-insulated clearance. The combustor is connected with the inner wall of the combustion chamber through the exhaust support, so that the combustor is limited and fixed, the problem that the combustor shakes is avoided, the exhaust support is provided with the flow guide holes for guiding air in the flow guide cavity into the combustion cavity, the air guided by the flow guide holes can supplement secondary air for combustion of a combustion burner, more sufficient combustion of gas is facilitated, the energy utilization rate of gas combustion is higher, emission of pollutants such as nitrogen oxides and the like caused by incomplete combustion is reduced, and the energy-saving and environment-friendly combustor is energy-saving; simultaneously, the water conservancy diversion hole that sets up on exhaust support can be with the lower air water conservancy diversion of water conservancy diversion intracavity temperature to the combustion chamber in to form a mobile air bed between the burning burner of combustor and the inner wall of combustion chamber, a large amount of heats can be taken away to this mobile air bed, reduces the temperature rise of combustion chamber structure during operation casing effectively, and can be with the heat fully applied to the heating to water that the gas combustion produced, improve heating efficiency. Simultaneously, through setting up thermal-insulated clearance and thermal-insulated hole, the during operation, this thermal-insulated clearance can produce another air bed that flows to thermal-insulated hole, and this another air bed can take away the adsorbed a large amount of heats of exhaust support to cool down exhaust support, and can insulate against heat the cooling to the inner wall of combustion chamber, play the effect of the reduction casing temperature rise of preferred.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of an embodiment of a combustion chamber structure of the present invention;

FIG. 2 is a front view of the combustion chamber configuration shown in FIG. 1;

FIG. 3 is a bottom view of the combustion chamber configuration shown in FIG. 1;

FIG. 4 is a top view of the combustion chamber configuration shown in FIG. 1;

FIG. 5 is a schematic view of the internal structure of the combustor structure shown in FIG. 1;

FIG. 6 is an exploded view of the combustion chamber configuration shown in FIG. 1;

FIG. 7 is a schematic view of the exhaust support in the combustion chamber configuration shown in FIG. 6;

FIG. 8 is a top view of the exhaust mount shown in FIG. 7.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Combustion chamber structure	301	Flow guide hole
10	Shell body	302	Clamping groove
				101	Combustion chamber	303	Heat insulation hole
1011	Combustion chamber	304	Mounting boss
				1012	Flow guide cavity	30a	Mounting part
1014	Heat insulation gap	30b	Heat insulation part
				102	Opening of the container	30c	Flow guiding part
103	Air inlet	30d	Clamping part
				104	First mounting via hole	31	First support
105	Second mounting via	32	Second support
				20	Burner with a burner head	33	Third support
201	Combustion burner	34	Fourth support
				202	The first gas inlet	40	Fan blower
203	Second gas inlet	50	Fixing support
				21	Bump	501	Wind guide via hole
30	Exhaust support

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The utility model provides a combustion chamber structure 100.

Referring to fig. 1 to 5, a combustion chamber structure 100 according to an embodiment of the present invention includes:

a shell 10, wherein a combustion chamber 101, an opening 102 communicated with the combustion chamber 101 and an air inlet 103 are arranged in the shell 10;

the burner 20, the burner 20 is accommodated in the combustion chamber 101, the burner 20 has burning the burner 201; and

the exhaust support 30, the exhaust support 30 is connected between the combustor 20 and the inner wall of the combustor 101, the combustor 101 is divided into a combustion chamber 1011 communicated with the opening 102 and a flow guide chamber 1012 communicated with the air inlet 103 by the exhaust support 30, the combustion fire hole 201 is located in the combustion chamber 1011, a heat insulation gap 1014 communicated with the flow guide chamber 1012 is further formed between the exhaust support 30 and the inner wall of the combustor 101, a plurality of flow guide holes 301 and a plurality of heat insulation holes 303 are formed at intervals on the exhaust support 30, the flow guide holes 301 are communicated with the combustion chamber 1011 and the flow guide chamber 1012, the flow guide holes 301 are arranged adjacent to the combustion fire hole 201, the heat insulation holes 303 are communicated with the heat insulation gap 1014, and the heat insulation holes 303 are located on the periphery of the opening 102.

As shown in fig. 1 and 5, the casing 10 is in a square tube shape with an upward opening and a closed bottom, and the air inlet hole 103 is opened at the bottom of the casing 10 and is communicated with the upper and lower parts to form a combustion chamber 101. Specifically, the combustor structure 100 of the present application is preferably used in a rich-lean type combustor, that is, preferably applied to a combustor in which rich gas and lean gas are input to perform mixed combustion.

In the application, the exhaust support 30 and the inner wall of the combustion chamber 101 can be fixedly connected or detachably connected through one or two or more of clamping, threaded connection or welding and the like; the exhaust support 30 and the outer portion of the burner 20 can be fixedly connected or detachably connected through one, two or more combinations of clamping, threaded connection, welding and the like, that is, the exhaust support 30 is used for connecting the outer portion of the burner 20 and the inner wall of the combustion chamber 101, the burner 20 is limited and fixed, the movement of the burner 20 is limited, and the shaking problem is avoided. The exhaust bracket 30 may be made of a material having high temperature resistance and a relatively hard texture, such as metal.

The flow guide holes 301 mainly play a role in conducting and guiding the flow direction of gas, preferably, a plurality of flow guide holes 301 can be uniformly spaced and arranged around the combustion fire hole 201 of the combustor 20, the flow guide holes 301 on the exhaust support 30 can be radially arranged, arranged in a net or array shape, and the like, so that the air guided by the flow guide holes 301 enters the combustion cavity 1011 to be more uniformly distributed, thereby reducing the vortex generated by the air flow in the combustion chamber 101, being more favorable for supplementing secondary air to the combustion of the combustor 20, ensuring more sufficient combustion of the combustor 20, ensuring more uniform combustion flame of the combustion fire hole 201, further eliminating the squeaking noise generated in the combustion, and improving the experience comfort value used by a user when being applied to a gas water heater. The shape of the diversion hole 301 may be designed in various shapes, such as a circle, an ellipse, a triangle, a quadrangle, a polygon, etc., and may be set according to the actual situation in a specific application. In addition, the number of the diversion holes 301, the aperture size of the diversion holes 301, the distance between adjacent diversion holes 301, and the like can be set according to specific applications.

The flowing air in the heat insulation gap 1014 can mainly play a role of heat insulation and temperature reduction, and is discharged to the outside of the casing 10 through the heat insulation holes 303, the heat insulation holes 303 have a function of guiding the gas flow direction, preferably, a plurality of heat insulation holes 303 can be uniformly spaced and arranged around the outer periphery of the exhaust support 30 (around the periphery of the opening 102), the heat insulation holes 303 on the exhaust support 30 can be radially arranged, arranged in a net shape or arranged in an array shape, and the like, so that the air flow guided by the heat insulation holes 303 is more uniform, thereby reducing the vortex generated by the air flow in the combustion chamber 101, uniformly reducing the temperature, and further reducing the temperature rise of the casing 10. The shape of the heat insulation hole 303 can be designed in various shapes, such as a circle, an ellipse, a triangle, a quadrangle, a polygon, etc., and can be set according to the actual situation in the specific application. In addition, the number of the insulation holes 303, the size of the hole diameter of the insulation holes 303, the size of the space between the adjacent insulation holes 303, and the like may be set according to the specific application.

In the present application, the combustion chamber structure 100 preferably adopts a forced-draft type combustion chamber structure, that is, by providing the fan 40, the fan 40 pumps air, the air enters the diversion cavity 1012 of the combustion chamber 101 from the air inlet 103 and then is divided into two paths, one path of air passes through the diversion hole 301 and the combustion cavity 1011 in sequence and then is discharged from the opening 102, and the other path of air passes through the heat insulation gap 1014 and then is discharged from the heat insulation hole 303. Or, in the present application, the combustion chamber structure 100 may also adopt a strong-drum type combustion chamber structure, and a blower is provided to blow air, so that the air enters the diversion cavity 1012 of the combustion chamber 101 from the air inlet 103 and then is divided into two paths, one path of the air passes through the diversion hole 301 and the combustion cavity 1011 in sequence and then is discharged from the opening 102, and the other path of the air passes through the heat insulation gap 1014 and then is discharged from the heat insulation hole 303.

The utility model discloses technical scheme's combustion chamber structure 100 is when using, and the air falls into two the tunnel after the water conservancy diversion chamber 1012 that gets into combustion chamber 101 from fresh air inlet 103, loops through water conservancy diversion hole 301, combustion chamber 1011 all the way and is discharged by opening 102, and another way is discharged by heat-insulating hole 303 behind thermal-insulated clearance 1014. The combustor 20 is connected with the inner wall of the combustion chamber 101 through the exhaust support 30, so that the combustor 20 is limited and fixed, the problem that the combustor 20 shakes is avoided, the guide holes 301 are formed in the exhaust support 30 and used for guiding air in the guide cavity 1012 to the combustion cavity 1011, the air guided by the guide holes 301 can supplement secondary air for combustion of the combustion burner 201, more sufficient combustion of gas is facilitated, the energy utilization rate of gas combustion is higher, emission of pollutants such as nitrogen oxides and the like caused by incomplete combustion is also reduced, and the energy-saving and environment-friendly effects are achieved; meanwhile, the flow guide holes 301 formed in the exhaust bracket 30 can guide the air with lower temperature in the flow guide cavity 1012 to the combustion cavity 1011, and a flowing air layer is formed between the combustion burner 201 of the combustor 20 and the inner wall of the combustion chamber 101, and the flowing air layer can take away a large amount of heat, so that the temperature rise of the shell 10 when the combustion chamber structure 10 works is effectively reduced, the heat generated by gas combustion can be fully applied to heating water, and the heating efficiency is improved. Meanwhile, by arranging the heat insulation gap 1014 and the heat insulation hole 303, during operation, another flowing air layer is generated from the heat insulation gap 1014 to the heat insulation hole 303, and the other flowing air layer can take away a large amount of heat absorbed by the exhaust support 30, so that the exhaust support 30 is cooled, the inner wall of the combustion chamber 101 can be cooled in a heat insulation manner, and a better effect of reducing the temperature rise of the casing 10 is achieved.

Referring to fig. 5 and 7, a through hole (not shown) is formed in the exhaust bracket 30, the burner 20 is accommodated in the through hole, the exhaust bracket 30 is sequentially bent from the outer edge to the edge of the hole wall of the through hole to form an installation portion 30a, a heat insulation portion 30b and a flow guide portion 30c, the installation portion 30a is connected to the periphery of the opening 102, a heat insulation gap 1014 is formed between the heat insulation portion 30b and the inner wall of the combustion chamber 101, the flow guide portion 30c is connected to the outside of the burner 20, the flow guide portion 30c is formed with a flow guide hole 301, and the installation portion 30a and/or the heat insulation portion 30b is formed with a heat insulation hole.

In the present application, as shown in fig. 4, the exhaust holder 30 has a square frame shape in a plan view, a through hole is formed in the square frame, the burner 20 is accommodated and mounted on and connected to a hole wall of the through hole, the cross section of the exhaust holder 30 is formed in a zigzag shape, that is, as shown in fig. 7, the mounting portion 30a, the heat insulating portion 30b and the flow guiding portion 30c are all disposed at an included angle, preferably, the mounting portion 30a, the heat insulating portion 30b and the flow guiding portion 30c are all disposed at substantially 90 degrees, the mounting portion 30a is used for mounting and connecting to the periphery of the opening 102 of the casing 10, the heat insulating portion 30b is used for forming a heat insulating gap 1014 with the inner wall of the combustion chamber 101 to insulate heat and cool, and the flow guiding portion 30c is used for forming a flow guiding hole 301, so as to provide a supplement of secondary air for combustion of the burner 20.

Referring to fig. 5 and 7, a heat insulation hole 303 is formed at a connection portion between the mounting portion 30a and the heat insulation portion 30 b.

In the present application, a heat insulating hole 303 is provided at the joint between the mounting portion 30a and the heat insulating portion 30 b. Because easily form the dead angle between the plate body of two neighbours, and the gas mobility at this place is relatively poor, for avoiding the production at neighbour's department dead angle, improve this department gas flow performance, play better cooling effect, through setting up heat-insulating hole 303 in the junction of installation department 30a and heat-insulating portion 30b, make the air of below can dash the heat-insulating hole 303 at this place fast and upwards discharge, avoided the gaseous thrust of neighbour's department, and can reach better thermal-insulated cooling, reduce the effect of casing 10 during operation temperature rise.

Referring to fig. 5 and 7, the surface of the heat insulation portion 30b located in the heat insulation gap 1014 is provided with a mounting protrusion 304 in a protruding manner, and the mounting protrusion 304 abuts against the inner wall of the combustion chamber 101.

In the present application, the surface of the heat insulation part 30b in the heat insulation gap 1014 is convexly provided with the mounting protrusion 304, so as to complete the positioning between the heat insulation part 30b and the inner wall of the combustion chamber 101, and then the exhaust support 30 can be fixedly connected to the inner wall of the combustion chamber 101 by welding and other manners; that is, the installation protrusion 304 is provided to facilitate positioning of the exhaust bracket 30 during installation, facilitate connection and fixation of the exhaust bracket 30, and improve assembly efficiency.

Referring to fig. 6, a plurality of bumps 21 extend from two opposite sides of the burner 20, the end of the guiding portion 30c away from the heat insulating portion 30b extends to form a fastening portion 30d, the fastening portion 30d is provided with a plurality of slots 302, and the bumps 21 are inserted into the slots 302.

Specifically, as shown in fig. 6, be equipped with a plurality of combustor monoliths side by side in the combustor 20, the combustor monoliths forms lug 21, in order to carry out spacing fixed with the combustor monoliths, and further fix combustor 20, cooperate with lug 21 joint through draw-in groove 302, and the notch direction of draw-in groove 302 all inwards, namely, be fixed in combustion chamber 101 with each combustor monolithic centre gripping, thereby all carry out spacing fixed effect to the combustor monoliths in the direction of left and right sides in the front and back, avoid combustor 20 to appear rocking scheduling problem at the during operation, thereby make exhaust support 30 have the air conservancy diversion simultaneously, spacing fixed combustor monolithic effect.

Further, the exhaust bracket 30 includes a first bracket 31 and a second bracket 32 which are oppositely arranged, and a third bracket 33 and a fourth bracket 34 which are oppositely arranged, the first bracket 31, the third bracket 33, the second bracket 32 and the fourth bracket 34 are sequentially enclosed around the burner 20, and the first bracket 31 and the second bracket 32 are both formed with a clamping groove 302.

Preferably, all be provided with water conservancy diversion hole 301 on first support 31, third support 33, second support 32 and the fourth support 34 to do benefit to air water conservancy diversion's distribution more reasonable, more even, help evenly to provide the supplementary of secondary air, promote the abundant burning of gas, and can reduce the production of air vortex in the combustion chamber 101, form the air bed that encircles the flowing of combustor 20 burning burner 201, it is more showing effectively to thermal-insulated cooling effect. Preferably, the first bracket 31, the third bracket 33, the second bracket 32 and the fourth bracket 34 are all provided with heat insulation holes 303, which is beneficial to more reasonable and uniform distribution of air flow guidance, forms a flowing air layer surrounding the opening 102 of the combustion chamber 101, and is more effective in heat insulation and cooling effects on the inner wall of the combustion chamber 101.

Specifically, as shown in fig. 6, be equipped with a plurality of combustor monoliths side by side in the combustor 20, the combustor monoliths forms lug 21, in order to carry out spacing fixed with the combustor monoliths, and further fix combustor 20, draw-in groove 302 and the cooperation of lug 21 joint on first support 31 and the second support 32 through relative setting, and the notch direction of draw-in groove 302 all inwards, namely, be fixed in combustion chamber 101 with each combustor monoliths centre gripping, thereby all carry out spacing fixed effect to the combustor monoliths in the front and back left and right sides direction, avoid combustor 20 to appear rocking scheduling problem at the during operation, thereby make first support 31 and second support 32 have the air guide simultaneously, the effect of spacing fixed combustor monoliths.

Preferably, in an embodiment of the present invention, the first bracket 31 and the third bracket 33 are an integrally formed structure, and the second bracket 32 and the fourth bracket 34 are an integrally formed structure, so that steps of respectively mounting the first bracket 31 and the third bracket 33, and the second bracket 32 and the fourth bracket 34 are reduced, and the assembly efficiency is improved;

alternatively, in another embodiment of the present invention, the first bracket 31, the second bracket 32, the third bracket 33 and the fourth bracket 34 are integrally formed, so that the steps of respectively mounting the first bracket 31, the second bracket 32, the third bracket 33 and the fourth bracket 34 are further reduced, and the assembly efficiency is improved.

Referring to fig. 5, in order to further limit and fix the burner 20, the combustion chamber structure 100 further includes a fixing bracket 50, the fixing bracket 50 is connected between the inner wall of the combustion chamber 101 and the outside of the burner 20, and the fixing bracket 50 is located between the exhaust bracket 30 and the air inlet hole 103.

Further, the fixing bracket 50 is provided with an air guide through hole 501, and two ends of the air guide through hole 501 are respectively communicated with the air inlet hole 103 and the diversion hole 301.

In the present application, air enters the combustion chamber 101 through the air inlet holes 103 formed in the bottom of the casing 10, passes through the fixing bracket 50 through the air guiding holes 501, and further enters the combustion chamber 1011 through the air guiding holes 301 formed in the exhaust bracket 30 or further passes through the heat insulating gap 1014 and is discharged through the heat insulating holes 303. That is, as shown in fig. 5, in the flow direction of the air, the air guiding through hole 501 is located before the diversion hole 301, and preferably, the aperture of the air guiding through hole 501 is larger than that of the diversion hole 301, so that the air can rapidly pass through the air guiding through hole 501, the air intake is increased, and then the air needs to be distributed, adjusted and uniformly distributed through the diversion hole 301.

Referring to fig. 1, 2 and 5, the burner 20 has a first gas inlet 202 and a second gas inlet 203, the housing 10 further has a first mounting through hole 104 and a second mounting through hole 105 communicated with the combustion chamber 101, the first gas inlet 202 is communicated with the first mounting through hole 104, and the second gas inlet 203 is communicated with the second mounting through hole 105.

In the application, the first gas inlet 202 and the second gas inlet 203 are used for inputting rich gas and weak gas respectively, and are convenient for the installation and the passing of gas pipelines through the first mounting hole 104 and the second mounting hole 105.

The utility model discloses still provide a gas heater, this gas heater include fan 40 and combustion chamber structure 100, and the concrete structure of this combustion chamber structure 100 refers to above-mentioned embodiment, because this gas heater has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here. The fan 40 pumps air, so that the air enters the diversion cavity 1012 from the air inlet 103 and then is divided into two paths, one path of air passes through the diversion hole 301 and the combustion cavity 1011 in sequence and then is discharged from the opening 102, and the other path of air passes through the heat insulation gap 1014 and then is discharged from the heat insulation hole 303. Preferably, the fan 40 is disposed adjacent the opening 102. Of course, the fan 40 can be a variety of fans, such as a centrifugal fan, a cross-flow fan, or an axial-flow fan, etc., and it is only necessary that the fan 40 can draw air to draw the air in the combustion chamber 101 out of the opening 102, so as to create air flow conditions for the strong-suction type combustion chamber, and the selection of the fan 40 can be performed according to actual situations in specific applications. The utility model discloses among the gas heater, through setting up combustion chamber structure 100 of strong type of taking out, reduced combustion chamber 101's leakproofness requirement to combustion chamber 101 can set up to not totally enclosed, has reduced the risk of vibrations squeaking, satisfies in gas heater noise reduction's user demand.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims (11)

1. A combustion chamber structure, comprising:

the combustion chamber, and an opening and an air inlet hole which are communicated with the combustion chamber are arranged in the shell;

the combustor is accommodated in the combustion chamber and provided with a combustion fire hole; and

the exhaust support is connected between the combustor and the inner wall of the combustion chamber, the exhaust support divides the combustion chamber into a combustion chamber communicated with the opening and a flow guide chamber communicated with the air inlet hole, the combustion fire hole is positioned in the combustion chamber,

the exhaust support with still be formed with between the inner wall of combustion chamber with the thermal-insulated clearance of water conservancy diversion chamber intercommunication, exhaust support spaced apart to be equipped with a plurality of water conservancy diversion holes and a plurality of heat insulation hole, water conservancy diversion hole intercommunication the combustion chamber with the water conservancy diversion chamber, just the water conservancy diversion hole is adjacent to the burning burner sets up, heat insulation hole with thermal-insulated clearance intercommunication, just heat insulation hole is located the open-ended periphery.

2. The combustion chamber structure of claim 1, wherein the exhaust bracket has a through hole, the burner is received in the through hole, the exhaust bracket is bent from an outer edge thereof to an edge of a wall of the through hole in order to form an installation portion, a heat insulation portion, and a flow guide portion, the installation portion is connected to a periphery of the opening, the heat insulation portion and an inner wall of the combustion chamber form the heat insulation gap, the flow guide portion is connected to an outside of the burner, the flow guide portion has the flow guide hole, and the installation portion and/or the heat insulation portion has the heat insulation hole.

3. The combustion chamber structure according to claim 2, wherein the joint of the mounting portion and the heat insulating portion is provided with the heat insulating hole.

4. The combustion chamber structure of claim 2, wherein a surface of the heat insulating portion in the heat insulating gap is provided with a mounting projection in a protruding manner, and the mounting projection abuts against an inner wall of the combustion chamber.

5. The combustion chamber structure of claim 2, wherein a plurality of projections are convexly provided on opposite sides of the burner, the end of the flow guiding portion away from the heat insulating portion extends to form a clamping portion, the clamping portion is provided with a plurality of slots, and the projections are inserted into the slots.

6. The combustion chamber structure of claim 5, wherein the exhaust support includes a first support and a second support which are oppositely arranged, and a third support and a fourth support which are oppositely arranged, the first support, the third support, the second support and the fourth support are sequentially enclosed around the burner, and the first support and the second support are both formed with the clamping grooves.

7. The combustor structure of claim 6, wherein the first bracket and the third bracket are integrally formed structures, and the second bracket and the fourth bracket are integrally formed structures; or,

the first support, the second support, the third support and the fourth support are of an integrally formed structure.

8. The combustor structure of claim 1, further comprising a mounting bracket coupled between an inner wall of the combustor and an exterior of the burner, the mounting bracket positioned between the exhaust bracket and the air inlet opening.

9. The combustion chamber structure of claim 8, wherein the fixing bracket is provided with a wind guide through hole, and two ends of the wind guide through hole are respectively communicated with the air inlet hole and the flow guide hole.

10. The combustion chamber structure of any one of claims 1 to 9, wherein the burner is provided with a first gas inlet and a second gas inlet, the housing is further provided with a first mounting through hole and a second mounting through hole which are communicated with the combustion chamber, the first gas inlet is communicated with the first mounting through hole, and the second gas inlet is communicated with the second mounting through hole.

11. A gas heater, characterized by, including fan and the combustion chamber structure of any one of claims 1 to 10, the fan is close to the opening sets up, just the fan is taken out the air, so that the air from the fresh air inlet get into behind the water conservancy diversion chamber, divide into two the tunnel, loop through water conservancy diversion hole, combustion chamber all the way after, by the opening discharges, another way after thermal-insulated clearance, by thermal-insulated hole discharges.