CN217274877U

CN217274877U - Heating device for gas water heater

Info

Publication number: CN217274877U
Application number: CN202220505861.5U
Authority: CN
Inventors: 江轩
Original assignee: ZHEJIANG GUANGTAO SANITATION KITCHEN CO Ltd
Current assignee: ZHEJIANG GUANGTAO SANITATION KITCHEN CO Ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-08-23
Anticipated expiration: 2032-03-09

Abstract

The utility model belongs to the technical field of gas heater, refer in particular to a heating device for gas heater, including heat exchange shell and base casing, be located heat exchange shell top and be equipped with the gas premixer, the outlet flue has been seted up on the base casing, still including the casing of taking a breath, set up the air inlet chamber that has inlet port and the port of giving vent to anger on the casing of taking a breath and have the exhaust chamber of advancing cigarette port and exhaust port, inlet port and exhaust port all set up on the top surface of the casing of taking a breath up, the port of giving vent to anger communicates with the air inlet of gas premixer, it passes through exhaust passage and outlet flue intercommunication to advance the cigarette port. The utility model discloses communicate with the air inlet of outlet flue, gas premixer respectively with the help of the casing of taking a breath to make heating device's inlet port and exhaust port can concentrate on the casing of taking a breath, and inlet port and exhaust port be coaxial setting, thereby effectively improve follow-up installation and the processing operation to the gas water heater, optimize the pleasing to the eye of complete machine.

Description

Heating device for gas water heater

The technical field is as follows:

the utility model belongs to the technical field of gas heater, refer in particular to a heating device for gas heater.

The background art comprises the following steps:

the heating device for the gas water heater disclosed in the prior Chinese utility model patent (No. CN213578145U) comprises a main box body with a flue gas channel, an inverted burner which is arranged on the main box body and a nozzle of which is positioned in the flue gas channel, and a heat exchange tube which is positioned below the inverted burner, wherein the flue gas channel is provided with a smoke outlet, a condensed water collecting cavity is formed in the flue gas channel which is positioned below the heat exchange tube, and the main box body is provided with a condensed water outlet; meanwhile, the main box body comprises a heat exchange shell and a condensed water collecting shell which are spliced up and down, the inner cavity of the heat exchange shell is communicated with the inner cavity of the condensed water collecting shell and forms a flue gas channel, the inverted burner and the heat exchange tube are arranged on the heat exchange shell, and the smoke outlet is formed in the condensed water collecting shell or the heat exchange shell; including the gas premixer, seted up the gas mixing chamber in the gas premixer, seted up on the gas premixer with gas mixing chamber intercommunication the air inlet port, inlet port and the port of giving vent to anger, the port of giving vent to anger communicates with the air inlet of inverting the combustor, the air inlet port communicates with the air outlet of fan, inlet port and external gas source intercommunication.

However, in the above structure, the exhaust port and the air inlet of the fan need to be communicated with the outside, but the position difference between the exhaust port and the air inlet is far, so that when the heating device is installed on the gas water heater, the gas water heater needs to be provided with corresponding air inlet holes and exhaust holes at multiple positions, which not only seriously affects the appearance of the gas water heater, but also makes the subsequent installation and processing operations of the gas water heater complicated.

The invention content is as follows:

the utility model aims at providing a heating device for be used for gas heater, it concentrates intake port and exhaust port in one department with the help of the casing of taking a breath, has effectively improved follow-up installation and the processing operation to gas heater.

The utility model discloses a realize like this:

the utility model provides a heating device for gas heater, splice the heat exchange casing and the base casing that form flue gas passageway from top to bottom including, from last inversion combustor and the heat exchange tube of having set gradually under to in the flue gas passageway, it is equipped with the gas premixer to be located heat exchange casing top, the gas outlet of gas premixer and the air inlet intercommunication of inversion combustor, the outlet flue has been seted up on the base casing, still including the casing of taking a breath that is located directly over the gas premixer, set up the chamber of admitting air that has inlet port and the port of giving vent to anger and have the chamber of discharging fume that advances cigarette port and discharge fume port on the casing of taking a breath, inlet port and discharge fume port all set up on the top surface of the casing of taking a breath, give vent to anger the port and the air inlet intercommunication of gas premixer, advance the cigarette port pass through exhaust passage with the outlet flue intercommunication.

In the above heating device for a gas water heater, the air inlet port is annularly arranged on the periphery of the exhaust port, and the air inlet port and the exhaust port are coaxially arranged.

In foretell a heating device for gas heater, the casing of taking a breath is including the base of taking a breath, and the base upper cover of taking a breath is equipped with the lid of discharging fume, and discharges fume and form between the lid and the base of taking a breath the chamber of discharging fume, the lid of admitting air is equipped with on the base of taking a breath that is located the lid top of discharging fume, admits air the lid, takes a breath and forms between the lid of discharging fume the chamber of admitting air is equipped with the cylinder of discharging fume that runs through the lid of admitting air on the lid of discharging fume, and the hole of the cylinder of discharging fume does the port of discharging fume.

In the above heating device for a gas water heater, the bottom surface of the air exchange base located in the air inlet cavity extends upwards to form a high table top, a waterproof step is formed between the high table top and the bottom surface of the air exchange base, the high table top is located on the outer side of the air inlet port, the air outlet port is arranged on the high table top, and a water drainage hole communicated with the outside is formed in the bottom surface of the air exchange base located in the air inlet cavity.

In the above heating device for a gas water heater, the horizontal height of the smoke exhaust cover body is higher than the horizontal height of the high table surface, and the smoke exhaust cover body positioned in the air inlet cavity and on the periphery of the air inlet port is provided with a flow guide convex edge which can prevent liquid from flowing to the high table surface.

In the above heating device for a gas water heater, the smoke outlet and the smoke inlet are arranged opposite to each other, a supporting smoke tube is vertically arranged between the ventilation shell and the base shell, two ends of the supporting smoke tube are respectively inserted into the smoke outlet and the smoke inlet, and the exhaust passage is an inner hole of the supporting smoke tube.

In the above heating device for a gas water heater, the heat exchange housing is provided with a connecting plate, and the connecting plate is fixedly connected with the wall surface of the support pipe body through a fastener.

In the above heating device for a gas water heater, a support reinforcing plate is arranged on the exhaust passage of the support smoke pipe along the axial direction of the exhaust passage.

Compared with the prior art, the utility model outstanding advantage is:

the utility model discloses communicate with the air inlet of outlet flue, gas premixer respectively with the help of the casing of taking a breath to make heating device's inlet port and exhaust port can concentrate on the casing of taking a breath, and inlet port and exhaust port be coaxial setting, thereby effectively improve follow-up installation and the processing operation to the gas water heater, optimize the pleasing to the eye of complete machine.

Description of the drawings:

fig. 1 is an overall perspective view of the present invention;

fig. 2 is an overall sectional view of the present invention;

FIG. 3 is an exploded view of the ventilation housing of the present invention;

fig. 4 is a perspective view of the smoke supporting tube of the present invention.

In the figure: 1. a heat exchange housing; 2. a base housing; 3. inverting the burner; 4. a heat exchange pipe; 5. a gas premixer; 6. a smoke outlet; 7. a ventilation housing; 8. an air inlet cavity; 9. an air inlet port; 10. an air outlet port; 11. a smoke exhaust cavity; 12. a smoke inlet port; 13. a smoke evacuation port; 14. an exhaust passage; 15. a ventilation base; 16. a smoke exhaust cover body; 17. an air intake cover body; 18. a smoke exhaust barrel; 19. a high table top; 20. a flow guide convex edge; 21. supporting a smoke pipe; 22. a connecting plate; 23. supporting the reinforcing plate.

The specific implementation mode is as follows:

the invention will now be further described with reference to specific embodiments, with reference to figures 1 to 4:

a heating device for a gas water heater comprises a heat exchange shell 1 and a base shell 2 which are spliced up and down to form a flue gas channel, an inverted burner 3 and a heat exchange tube 4 are sequentially arranged in the flue gas channel from top to bottom, a gas premixer 5 is arranged above the heat exchange shell 1, a gas outlet of the gas premixer 5 is communicated with a gas inlet of the inverted burner 3, a smoke outlet 6 is arranged on the base shell 2, the heating device also comprises a ventilation shell 7 which is arranged right above the gas premixer 5, a gas inlet cavity 8 with a gas inlet port 9 and a gas outlet port 10 is arranged on the ventilation shell 7, and the smoke exhaust cavity 11 is provided with a smoke inlet port 12 and a smoke exhaust port 13, the air inlet port 9 and the smoke exhaust port 13 are both arranged on the top surface of the ventilation shell 7 upwards, the air outlet port 10 is communicated with an air inlet of the gas premixer 5, and the smoke inlet port 12 is communicated with the smoke outlet 6 through an exhaust channel 14.

That is, the utility model discloses with the help of the air inlet intercommunication of casing 7 of taking a breath respectively with outlet flue 6, gas premixer 5 to make heating device's inlet port 9 and exhaust fume port 13 can concentrate on casing 7 of taking a breath, simultaneously, all set up inlet port 9 and exhaust fume port 13 at the top surface of casing 7 of taking a breath, thereby effectively improve follow-up installation and the processing operation to the gas heater, optimize the pleasing to the eye of complete machine.

Meanwhile, in order to further optimize the structure of the whole machine to improve subsequent installation and processing operations, the air inlet 9 is annularly arranged on the periphery of the exhaust port, and the air inlet 9 and the exhaust port are coaxially arranged.

Further, in the present embodiment, the specific structure of the ventilation housing 7 is as follows: the ventilation shell 7 is including the base 15 of taking a breath, and the base 15 upper cover of taking a breath is equipped with the lid 16 of discharging fume, and discharges fume and form between the lid 16 and the base 15 of taking a breath the chamber 11 of discharging fume, the base 15 upper cover of taking a breath that is located the lid 16 top of discharging fume is equipped with the lid 17 of admitting air, admit air the lid 17, take a breath and form between the lid 16 of discharging fume the chamber 8 of admitting air is equipped with the cylinder 18 of discharging fume that runs through the lid 17 of admitting air on the lid 16 of discharging fume, and the hole of the cylinder 18 of discharging fume does port 13.

Considering that the air inlet 9 is arranged upwards, in order to avoid rainwater from flowing into a fan and other devices in the gas premixer 5 from the air inlet 9 in rainy days, a high platform 19 extends upwards from the bottom surface of the air exchange base 15 positioned in the air inlet cavity 8, a waterproof step is formed between the high platform 19 and the bottom surface of the air exchange base 15, the high platform 19 is positioned outside the air inlet 9, the air outlet 10 is arranged on the high platform 19, and a drain hole communicated with the outside is arranged on the bottom surface of the air exchange base 15 positioned in the air inlet cavity 8. That is, the high platform 19 is located and configured such that rainwater cannot enter the air outlet 10, and rainwater flowing into the air inlet chamber 8 from the water inlet is drained from the drain hole.

In addition, in the present embodiment, the level of the smoke evacuation cover 16 is higher than the level of the high platform 19, so that in order to prevent rainwater from falling on the smoke evacuation cover plate and flowing to the high platform 19 and the air outlet 10, the smoke evacuation cover 16 located in the air inlet chamber 8 and on the periphery of the air inlet 9 is provided with the flow guiding convex edge 20, and the flow guiding convex edge 20 can prevent liquid from flowing to the high platform 19.

In addition, in the present embodiment, in order to make the overall structure more compact, the specific matching structure between the exhaust channel 14 and the smoke outlet 6 and the smoke inlet 12 is as follows: the smoke outlet 6 and the smoke inlet 12 are arranged opposite to each other up and down, a supporting smoke tube 21 is vertically arranged between the ventilation shell 7 and the base shell 2, two ends of the supporting smoke tube 21 are respectively inserted into the smoke outlet 6 and the smoke inlet 12, and the exhaust passage 14 is an inner hole of the supporting smoke tube 21.

Furthermore, in order to improve the overall integrity and stability of the heating device, the heat exchange housing 1 is provided with a connecting plate 22, and the connecting plate 22 is fixedly connected with the wall surface of the supporting tube body through a fastener.

In order to provide the smoke supporting pipe 21 with a strong supporting strength, a supporting reinforcing plate 23 is provided along the axial direction of the exhaust passage 14 of the smoke supporting pipe 21.

The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a heating device for gas heater, forms heat exchange housing (1) and base casing (2) of flue gas passageway including concatenation from top to bottom, has set gradually inversion combustor (3) and heat exchange tube (4) in the flue gas passageway from last to bottom, is located heat exchange housing (1) top and is equipped with gas premixer (5), and the gas outlet of gas premixer (5) and the air inlet intercommunication of inversion combustor (3) have seted up outlet flue (6) on base casing (2), its characterized in that: still including being located the gas casing (7) of taking a breath directly over gas premixer (5), set up on the casing (7) of taking a breath intake chamber (8) that have inlet port (9) and give vent to anger port (10) and have smoke exhaust chamber (11) of advancing smoke port (12) and smoke exhaust port (13), inlet port (9) and smoke exhaust port (13) are all seted up on the top surface of casing (7) of taking a breath up, give vent to anger port (10) and the air inlet intercommunication of gas premixer (5), advance smoke port (12) through exhaust passage (14) with go out smoke outlet (6) intercommunication.

2. A heating device for gas water heater according to claim 1, characterized in that: the air inlet port (9) is annularly arranged on the periphery of the exhaust port, and the air inlet port (9) and the exhaust port are coaxially arranged.

3. A heating device for a gas water heater according to claim 1 or 2, characterized in that: the ventilation casing (7) is including base (15) of taking a breath, and base (15) of taking a breath upper cover is equipped with the lid (16) of discharging fume, and discharges fume and form between lid (16) of discharging fume and the base (15) of taking a breath discharge fume chamber (11), be located and discharge fume and form between lid (16) of taking a breath base (15) upper cover of lid (16) top and be equipped with the lid (17) of admitting air, base (15) of taking a breath and discharge fume and form between lid (16) admit air chamber (8), be equipped with on the lid (16) of discharging fume and run through the chimney (18) of admitting air lid (17), the hole of the chimney (18) of discharging fume does port (13) of discharging fume.

4. A heating device for a gas water heater according to claim 3, characterized in that: the bottom surface that is located base (15) of taking a breath in air inlet chamber (8) upwards extends and is formed with high mesa (19), is formed with waterproof step between the bottom surface of high mesa (19) and base (15) of taking a breath, and high mesa (19) are located the outside of inlet port (9), outlet port (10) are seted up on high mesa (19), are located and offer the outlet opening with external intercommunication on the bottom surface of base (15) of taking a breath in air inlet chamber (8).

5. A heating device for a gas water heater according to claim 4, characterized in that: the horizontal height of the smoke exhaust cover body (16) is higher than that of the high table top (19), a flow guide convex edge (20) is arranged on the smoke exhaust cover body (16) which is positioned in the air inlet cavity (8) and on the periphery of the air inlet port (9), and the flow guide convex edge (20) can prevent liquid from flowing to the high table top (19).

6. A heating device for a gas water heater according to claim 1, characterized in that: the ventilation device is characterized in that the smoke outlet (6) and the smoke inlet (12) are arranged oppositely up and down, a support smoke pipe (21) is vertically arranged between the ventilation shell (7) and the base shell (2), two ends of the support smoke pipe (21) are respectively inserted into the smoke outlet (6) and the smoke inlet (12), and the exhaust passage (14) is an inner hole of the support smoke pipe (21).

7. A heating device for gas water heater according to claim 6, characterized in that: the heat exchange shell (1) is provided with a connecting plate (22), and the connecting plate (22) is fixedly connected with the wall surface of the supporting pipe body through a fastener.

8. A heating device for a gas water heater according to claim 6, characterized in that: and a support reinforcing plate (23) is arranged on the exhaust passage (14) of the support smoke pipe (21) along the axial direction of the exhaust passage.