CN210892189U

CN210892189U - Combustion chamber of gas water heater and gas water heater system

Info

Publication number: CN210892189U
Application number: CN201921674067.8U
Authority: CN
Inventors: 范威; 梁国荣; 仇正良
Original assignee: Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Current assignee: Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-06-30
Anticipated expiration: 2029-09-30

Abstract

The utility model relates to a gas heater discloses a gas heater's combustion chamber, include the combustion chamber casing, arrange in the combustor casing inner chamber the combustor and connect in the combustion chamber shells inner wall with combustor installing support between the combustor, be equipped with the air current hole on the combustion chamber casing and with the vent of combustion chamber casing intercommunication, be equipped with the air water conservancy diversion hole on the combustor installing support, the air current hole with the air current water conservancy diversion hole sets up to be able combustion chamber shells inner wall's at least one side with form air flow channel between the combustor. Furthermore, the utility model discloses still disclose a gas heater system. The utility model discloses a combustor can effectively alleviate the heat radiation effect of combustor, reduces the temperature of combustion chamber wall, improves the vibration problem that the pressure fluctuation produced in the combustion chamber when the burning is unstable simultaneously.

Description

Combustion chamber of gas water heater and gas water heater system

Technical Field

The utility model relates to a gas heater specifically, relates to a gas heater's combustion chamber. Furthermore, the utility model discloses still relate to a gas heater system.

Background

With the widespread connection of gas pipelines to households, gas water heaters are becoming more and more common in places such as households, hotels, restaurants and the like.

In the design of the combustion chamber of the gas water heater, a strong-drum type combustion chamber structure is generally adopted, namely, a fan is arranged below the combustion chamber, an air flowing hole structure is arranged at the position, corresponding to a combustor, on a bottom plate of the combustion chamber, and air is blown into the combustion chamber in a fan blowing mode so as to match the air quantity of the whole machine. However, for a thick and thin combustion mode, the structure easily causes insufficient primary air injection amount, and causes the problems of unstable combustion, smoke exceeding standards, vibration and the like.

The combustion chamber is usually connected with the heat exchanger in gas heater, can form the heat transfer, and then the heat radiation when burning in the combustion chamber not only can rise the temperature of combustion chamber casing, also can cause the heat exchanger to enclose the high temperature of frame, influences the efficiency of gas heater whole work.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a combustion chamber of gas heater is provided, the heat radiation effect when the structure of this combustion chamber can effectively alleviate combustor burning state reduces the temperature of combustion chamber wall, improves the vibration problem that the pressure fluctuation produced in the combustion chamber when burning unstability simultaneously.

The utility model discloses the technical problem who further solves provides a gas water heater system, and this gas water heater system's burning heat radiation influences for a short time, and system vibration improves.

In order to solve the technical problem, the utility model provides a gas heater's combustion chamber, include the combustion chamber casing, arrange in the combustor of combustion chamber casing inner chamber and connect in combustion chamber shells inner wall with combustor installing support between the combustor, be equipped with the air current hole on the combustion chamber casing and with the vent of combustion chamber casing intercommunication, be equipped with the air water conservancy diversion hole on the combustor installing support, the air current hole with the air current water conservancy diversion hole sets up to be able combustion chamber shells inner wall's at least one side with form air flow channel between the combustor.

As a preferable structure, the air flow hole is located on one or more sides of the bottom plate of the combustor casing, and is opposite to the position of the burner mounting bracket, and the burner mounting bracket is provided with the air guide hole corresponding to the air flow hole.

Specifically, be equipped with a plurality of fixed blocks on the combustor, be equipped with on the combustor installing support with fixed block assorted draw-in groove, the fixed block with the connection can be dismantled to the draw-in groove.

More specifically, the combustor installing 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 second support, the third support and the fourth support are sequentially enclosed around the combustor, and the air flow holes are located on the positions, opposite to the combustor installing support, of the periphery of the bottom plate of the combustion chamber shell.

Preferably, the first support and the second support are provided with clamping grooves matched with the fixing blocks.

More preferably, the air flow holes are evenly distributed around the bottom plate of the combustion chamber housing.

As another preferred specific embodiment, a first air injection port and a second air injection port are arranged on the burner, and a first mounting through hole communicated with the first air injection port and a second mounting through hole communicated with the second air injection port are arranged on the combustion chamber shell.

Preferably, the first installation via hole with the second installation via hole is located on one side curb plate of combustion chamber casing, the combustion chamber casing with first installation via hole with be equipped with support mounting location convex closure on the curb plate that the second installation via hole is relative, be equipped with on the combustor installing support with support mounting location convex closure assorted connecting piece.

Further preferably, the combustion chamber shell is connected with the burner mounting bracket in a welding manner, and a plurality of welding points for connecting the burner mounting bracket are arranged on the combustion chamber shell.

In a second aspect, the present invention provides a gas water heater system, comprising a fan and the above combustion chamber.

Through the technical scheme, the utility model discloses the structure in air flow hole and air water conservancy diversion hole is utilized to the combustion chamber, forms the cold air wall that flows between combustion chamber casing inner wall and combustor when the combustion chamber is worked, can take away the heat that the combustor produced when burning, can effectively alleviate the heat radiation effect when the combustor burning state, separates one side or the multiaspect of combustion chamber casing with the combustor, reduces the temperature of combustion chamber casing and other components that are connected with it; a flowing cold air wall is formed between the inner wall of the combustion chamber shell and the combustor, the pressure relief effect can be achieved, and the vibration problem caused by pressure fluctuation in the combustion chamber when combustion is unstable is solved.

In addition, under the preferred embodiment of the utility model, the air flow holes are evenly distributed on the positions around the bottom plate of the combustion chamber shell, which are opposite to the burner mounting bracket, and the burner mounting bracket is provided with corresponding air guide holes, so that uniform cold air walls can be formed around the burner when the combustion chamber works, a large amount of heat is taken away, the temperature of the peripheral wall surface of the combustion chamber shell is effectively reduced, the heat generated by the burner is fully used for heating water, and the heating efficiency of the combustion chamber is improved; because the bottom plate center of combustion chamber casing does not set up the air circulation hole, only sets up the air flow hole around the bottom plate for most air need draw mouthful and second air to draw mouthful inflow combustor from first air, obviously increases the injection volume of primary air, makes the burning more abundant, effectively improves the burning flue gas.

Further advantages of the invention, as well as the technical effects of preferred embodiments, will be further explained in the following detailed description.

Drawings

FIG. 1 is a front view of one embodiment of the combustion chamber of the gas water heater of the present invention;

FIG. 2 is a top plan view of the combustion chamber configuration of the gas water heater shown in FIG. 1;

FIG. 3 is a bottom view of the combustion chamber structure of the gas water heater shown in FIG. 1;

FIG. 4 is a rear view of the combustion chamber configuration of the gas water heater shown in FIG. 1;

FIG. 5 is a left side view of the combustion chamber configuration of the gas water heater shown in FIG. 1;

fig. 6 is a right side view of the combustion chamber structure of the gas water heater shown in fig. 1.

Description of the reference numerals

1 combustor casing 1a air flow hole

1b vent 1c first mounting via

1d second mounting via hole 1e bracket mounting positioning convex hull

1f welding point 2 burner

2a fixed block 2b first air injection port

2c second air draws 3 combustor installing supports in mouth

3a air guide hole 3b first support

3c second support 3d third support

3e fourth support

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

It should be noted that, in the following description of the technical solutions of the present invention, the terms "inner wall", "bottom plate", and the like are defined technically based on the combustion chamber housing, wherein the end of the combustion chamber housing provided with the ventilation opening is the top end, and the opposite end of the combustion chamber housing is the bottom plate. The definition of the orientation of the top end, the bottom end, etc. of the combustor housing is merely for convenience in describing the present invention and to simplify the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention. Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third", "fourth" may explicitly or implicitly include one or more of the features.

In the description of the present invention, it is to be noted that the terms "connected" and "contacting" are to be interpreted broadly, unless expressly stated or limited otherwise, and that, for example, connection may be direct or indirect via intermediate media. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the combustion chamber of the gas water heater of the basic embodiment of the present invention includes a combustion chamber housing 1, a burner 2 disposed in an inner cavity of the combustion chamber housing 1, and a burner mounting bracket 3 connected between an inner wall of the combustion chamber housing 1 and the burner 2, the combustion chamber housing 1 is provided with an air flow hole 1a and a ventilation opening 1b communicated with the combustion chamber housing 1, the burner mounting bracket 3 is provided with an air guide hole 3a, and the air flow hole 1a and the air guide hole 3a are configured to form an air flow channel between at least one surface of the inner wall of the combustion chamber housing 1 and the burner 2.

In order to facilitate understanding of the combustion chamber of the gas water heater according to the above basic technical solution of the present invention, the present invention is further described herein, and the gas water heater system with the above combustion chamber is applied thereto, which can be described in detail relatively, the present invention relates to a mounting structure and a working process of the combustion chamber.

Specifically, the utility model discloses hot gas water heater system include the fan with the utility model discloses each detailed embodiment's combustion chamber. It should be noted that, the blower may be installed at one end of the combustion chamber housing 1 where the ventilation opening 1b is provided, and the blower pumps air so that the air enters the combustion chamber housing 1 from the air flowing hole 1a and is discharged from the ventilation opening 1 b; the blower can also be arranged at one end of the combustion chamber shell 1 provided with an air flow hole 1a, and air is blown into the combustion chamber from the air flow hole 1a in a blower blowing mode and is discharged from a ventilation opening 1 b. In the use state, after the fan is operated, air enters the air flow channel formed by the air flow hole 1a and the air diversion hole 3a from the air flow hole 1a on the combustion chamber shell 1, an air wall for air flow can be formed between at least one surface of the inner wall of the combustion chamber shell 1 and the combustor 2, and finally the air is discharged out of the combustion chamber shell 1 through the air outlet 1 b.

Therefore, through the combustion chamber of the above basic technical scheme of the utility model, the utility model discloses a combustion chamber has cancelled the air flow hole that lies in combustor 2 below on the combustion chamber casing 1, utilizes the structure of air flow hole 1a and air water conservancy diversion hole 3a, forms the cold air wind wall that flows between combustor casing 1 inner wall and combustor 2 when the combustion chamber is worked, can take away a large amount of heats that produce when combustor 2 burns, can effectively alleviate the thermal radiation effect when combustor 2 burns the state, reduce the temperature of parts such as combustion chamber casing 1 and the heat exchanger surrounding frame that is connected with it from one side or the multiaspect of combustion chamber casing 1, can further reduce or replace the heat exchanger surrounding frame peripheral coil pipe that is connected with combustion chamber casing 1 simultaneously; a flowing cold air wall is formed between the inner wall of the combustion chamber shell 1 and the combustor 2, the pressure relief effect can be achieved, and the vibration problem caused by pressure fluctuation in the combustion chamber when combustion is unstable is solved.

As a preferred embodiment, referring to fig. 3, air flow holes 1a are formed at one or more sides of the bottom plate of the combustor case 1 to be opposite to the burner mounting bracket 3, and air guide holes 3a corresponding to the air flow holes 1a are formed at the burner mounting bracket 3. At this time, the air flowing holes 1a and the corresponding air guiding holes 3a form an air flowing channel, and after the air is introduced, a cold air wall flowing upwards from the bottom plate of the combustion chamber shell 1 can be formed between the inner wall of the combustion chamber shell 1 and the combustor 2.

As a preferred embodiment, referring to fig. 2, a plurality of fixing blocks 2a are arranged on the burner 2, a clamping groove matched with the fixing block 2a is arranged on the burner mounting bracket 3, and the fixing block 2a is detachably connected with the clamping groove. Combustor 2 includes a plurality of combustor monoliths, can set up fixed block 2a on the combustor monoliths, cooperates through corresponding draw-in groove on fixed block 2a and the combustor installing support 3 and is connected, wholly carries out spacing fixed to combustor 2, avoids the combustor 2 rocking scheduling problem in the course of the work.

The utility model discloses a combustor installing support 3 can be through various modes with 2 fixed connection of combustor on combustion chamber casing 1, for example combustor installing support 3 can be the installing support that is located 2 symmetrical both sides of combustor, also can be the installing support that is located 2 all around of combustor. Typically, referring to fig. 2, the burner-mounting bracket 3 includes a first bracket 3b and a second bracket 3c which are oppositely disposed, and a third bracket 3d and a fourth bracket 3e which are oppositely disposed, the first bracket 3b, the second bracket 3c, the third bracket 3d and the fourth bracket 3e are sequentially enclosed around the burner 2, and the air flow hole 1a is located at a position opposite to the burner-mounting bracket 3 around the bottom plate of the combustor casing 1. At this moment, air flow channels are formed in gaps around the inner wall of the combustion chamber shell 1 and the combustor 2, air flows into the periphery of the inner wall of the combustion chamber shell 1 from air flow holes 1a around the bottom plate of the combustion chamber shell 1, then enters air guide holes 3a on the combustor mounting support 3 and upwards forms air walls of cold air around the combustor 2, heat transfer between the combustor 2 and the combustion chamber shell 1 during combustion is effectively buffered by utilizing the flowing air, a certain isolation effect is formed, the wall surface temperature of the combustion chamber shell 1 is reduced, and overhigh temperature of other parts (such as a heat exchanger) connected with the combustion chamber shell 1 is further avoided.

Furthermore, the first support 3b and the second support 3c are provided with clamping grooves matched with the fixing blocks 2a, so that the fixing blocks 2a can be conveniently installed and fixed.

The arrangement of the air flow holes 1a on the bottom plate of the combustion chamber housing 1 may be in a net arrangement or an array arrangement, and the shape of the air flow holes 1a may be various, such as circular, oval, square, etc. Specifically, air flow holes 1a are uniformly distributed around the bottom plate of the combustion chamber shell 1, so that air entering the combustion chamber from the air flow holes 1a is more uniformly distributed between the inner wall of the combustion chamber shell 1 and the combustor 2, and the uniform air wall is formed around the combustor 2, thereby realizing the heat insulation effect.

As a preferred embodiment, the combustor 2 is provided with a first air injection port 2b and a second air injection port 2c, and the combustion chamber housing 1 is provided with a first mounting through hole 1c communicated with the first air injection port 2b and a second mounting through hole 1d communicated with the second air injection port 2 c. First air draws mouthful 2b and second air to draw mouthful 2c and is used for the input of dense gas and light gas respectively to carry out the installation of gas pipeline and pass through first installation via hole 1c and second installation via hole 1 d. Under this kind of structure, because the bottom plate center of combustion chamber casing 1 does not have the air circulation hole, only sets up air flow hole 1a for most air need draw mouthful 2b and second air to draw mouthful 2c from first air and flow into the combustor, obviously increases the volume of drawing of primary air, makes the burning more abundant, effectively improves the burning flue gas.

Preferably, the first mounting via hole 1c and the second mounting via hole 1d are located on a side plate of the combustion chamber housing 1, the combustion chamber housing 1 is provided with a bracket mounting and positioning convex hull 1e on a side plate opposite to the first mounting via hole 1c and the second mounting via hole 1d, and the combustor mounting bracket 3 is provided with a connecting piece matched with the bracket mounting and positioning convex hull 1 e. Carry out the location through connecting piece and the convex closure 1e of support mounting location on the combustor installing support 3 and be connected, help first installation via hole 1c and first air to draw mouthful 2 b's location to and second installation via hole 1d draws mouthful 2 c's location with the second air, more be favorable to the positioning effect of combustor installing support 3 and the assembly efficiency of combustion chamber.

Specifically, combustor casing 1 and combustor installing support 3 welded connection are equipped with a plurality of welding points 1f that are used for combustor installing support 3 to connect on combustor casing 1 for combustor installing support 3 is more stable with the assembly of combustor casing 1.

Furthermore, the utility model also provides a gas heater system, include fan and combustion chamber, wherein, the combustion chamber is above-mentioned arbitrary technical scheme's combustion chamber.

As can be seen from the description of the above embodiments of the present invention, the combustion chamber of the present invention utilizes the structure of the air flowing hole 1a and the air guiding hole 3a, when the combustion chamber works, a flowing cold air wind wall is formed between the inner wall of the combustion chamber housing 1 and the burner 2, which can take away the heat generated during the combustion of the burner 2, effectively relieve the heat radiation effect when the burner 2 is in the combustion state, isolate one or more surfaces of the combustion chamber housing 1 from the burner 2, and reduce the temperature of the combustion chamber housing 1 and other components connected therewith; a flowing cold air wall is formed between the inner wall of the combustion chamber shell 1 and the combustor 2, the pressure relief effect can be achieved, and the vibration problem caused by pressure fluctuation in the combustion chamber when combustion is unstable is solved.

In addition, under the preferred embodiment of the utility model, the air flow holes 1a are evenly distributed on the position around the bottom plate of the combustion chamber shell 1 opposite to the burner mounting bracket 3, the burner mounting bracket 3 is provided with corresponding air flow guide holes 3a, when the combustion chamber works, the uniform cold air wind wall can be formed around the burner 2, a large amount of heat is taken away, the temperature of the peripheral wall surface of the combustion chamber shell 1 is effectively reduced, the heat generated by the burner 2 is fully used for heating water, and the heating efficiency of the combustion chamber is improved; because the bottom plate center of combustion chamber casing 1 does not set up the air circulation hole, only sets up air flow hole 1a around the bottom plate for most air need draw mouthful 2b and second air to draw mouthful 2c from first air and flow into the combustor, obviously increases the volume of drawing of primary air, makes the burning more abundant, effectively improves the burning flue gas.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. The utility model provides a combustion chamber of gas heater, includes combustion chamber casing (1), arranges in combustor (2) of combustion chamber casing (1) inner chamber and connect in combustion chamber casing (1) inner wall with combustor installing support (3) between combustor (2), its characterized in that, be equipped with air current hole (1a) on combustion chamber casing (1) and with vent (1b) of combustion chamber casing (1) intercommunication, be equipped with air water conservancy diversion hole (3a) on combustor installing support (3), air current hole (1a) with air water conservancy diversion hole (3a) set up to be can the at least one side of combustion chamber casing (1) inner wall with form air flow channel between combustor (2).

2. The combustion chamber of the gas water heater according to claim 1, characterized in that the air flowing hole (1a) is located at one or more sides of the bottom plate of the combustion chamber housing (1) and opposite to the position of the burner mounting bracket (3), and the burner mounting bracket (3) is provided with the air guiding hole (3a) corresponding to the air flowing hole (1 a).

3. The combustion chamber of the gas water heater according to claim 2, wherein a plurality of fixing blocks (2a) are arranged on the burner (2), a clamping groove matched with the fixing blocks (2a) is arranged on the burner mounting bracket (3), and the fixing blocks (2a) are detachably connected with the clamping groove.

4. The combustion chamber of the gas water heater according to claim 3, characterized in that the burner mounting bracket (3) comprises a first bracket (3b) and a second bracket (3c) which are oppositely arranged, a third bracket (3d) and a fourth bracket (3e) which are oppositely arranged, the first bracket (3b), the second bracket (3c), the third bracket (3d) and the fourth bracket (3e) are sequentially enclosed around the burner (2), and the air flow holes (1a) are located at the position opposite to the burner mounting bracket (3) around the bottom plate of the combustion chamber shell (1).

5. The combustion chamber of the gas water heater according to claim 4, characterized in that said first bracket (3b) and said second bracket (3c) are provided with a slot matching said fixing block (2 a).

6. The combustion chamber of a gas water heater according to claim 4, characterized in that said air flow holes (1a) are evenly distributed around the base plate of said combustion chamber housing (1).

7. The combustion chamber of the gas water heater according to any one of claims 1 to 6, wherein a first air injection port (2b) and a second air injection port (2c) are provided on the burner (2), and a first mounting through hole (1c) communicated with the first air injection port (2b) and a second mounting through hole (1d) communicated with the second air injection port (2c) are provided on the combustion chamber housing (1).

8. The combustion chamber of the gas water heater according to claim 7, wherein the first mounting through hole (1c) and the second mounting through hole (1d) are located on a side plate of the combustion chamber housing (1), the combustion chamber housing (1) is provided with a bracket mounting and positioning convex hull (1e) on a side plate opposite to the first mounting through hole (1c) and the second mounting through hole (1d), and the burner mounting bracket (3) is provided with a connecting piece matched with the bracket mounting and positioning convex hull (1 e).

9. The combustion chamber of a gas water heater according to claim 7, characterized in that said combustion chamber housing (1) is welded to said burner mounting bracket (3), said combustion chamber housing (1) being provided with a plurality of welds (1f) for the attachment of said burner mounting bracket (3).

10. A gas water heater system comprising a fan and a combustion chamber according to any one of claims 1 to 9.